CN116642995B - Adsorption experimental device for smell substances - Google Patents
Adsorption experimental device for smell substances Download PDFInfo
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- CN116642995B CN116642995B CN202310626865.8A CN202310626865A CN116642995B CN 116642995 B CN116642995 B CN 116642995B CN 202310626865 A CN202310626865 A CN 202310626865A CN 116642995 B CN116642995 B CN 116642995B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/10—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using catalysis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The invention provides an adsorption experimental device for odor substances, and belongs to the technical field of general adsorption experimental equipment. The smell is expressed by the combined action of various organic and inorganic substances in water, such as soil particles, microorganisms, various inorganic salts, organic substances and the like. Adsorption experiments were used to evaluate the adsorption capacity of specific catalytic materials for odorous substances. In the prior art, the odor substance adsorption experiment lacks a special device, and the adsorption experiment under certain specific conditions is difficult to implement. This smell adsorption experiment device of flavor material includes base and upper cover, is equipped with a plurality of experimental components on the base, and experimental component includes beaker, agitator and drive assembly, and the agitator sets up in the beaker inboard, can stir liquid in the beaker under drive assembly's drive, and drive assembly sets up in the beaker periphery, does not have physical contact between drive assembly and the agitator, drives through electromagnetic induction, and stability is high, and control is accurate, does not influence the seal of beaker, and the experiment is more convenient and the conclusion is more reliable.
Description
Technical Field
The invention belongs to the technical field of general adsorption experimental equipment, and particularly relates to an adsorption experimental device for odor substances.
Background
The smell of water is expressed by the combined action of various organic and inorganic substances in water, including soil particles, rotted plants, microorganisms, various inorganic salts, organic substances, gases and the like. Trace amounts of organic matter produced by aquatic plants under the action of certain microorganisms, such as actinomycetes, blue-green algae, and the like, are also a major source of odor.
Adsorption refers to the phenomenon of a substance, mainly a solid substance, surface attracting molecules or ions in a surrounding liquid or gaseous medium. When a fluid is contacted with a porous solid, a component or components of the fluid accumulate at the surface of the solid, a process known as adsorption. The odor substance adsorption experiment refers to measuring the adsorption capacity of a specific adsorption sample, such as a photocatalytic material, to odor substances in a fluid under specific environmental conditions, so as to evaluate the adsorption parameters of the sample to the odor substances under various environmental conditions.
The adsorption experiment of the odor substance mainly comprises the following steps: dissolving the adsorbed odor substances in water to prepare an original test solution; adding a catalytic material to the test solution; controlling environmental parameters of a plurality of experimental groups, such as illumination, temperature, stirring intensity and the like; in the reaction process, sampling is carried out from the test solution at regular time, and the concentration change of the odor substances in the analysis solution is measured; and analyzing to obtain the adsorption parameters of the specific catalytic materials on the odor substances under specific environmental factors.
In the prior art, the adsorption experiment of the odor substances lacks a special experimental device, a common glass beaker is often used as a reaction tank, the experiment of certain odor substances is required to be continuously carried out for tens of hours, sampling, measuring and analyzing are required to be carried out at intervals, temperature control and sealing are required in the experimental process, and continuous stirring is required under certain experimental conditions. Therefore, in the prior art, the adsorption experiment of some odor substances under specific conditions is difficult to implement, for example, an experiment requiring sealing and continuous stirring for tens of hours, an experimenter cannot hold a glass rod and stir for a long time in a beaker, and when external mechanical auxiliary stirring is performed, a stirring shaft or a motor needs to extend into the beaker, although the experiment can also be performed, other problems, such as sealing problems, are brought to the control of experimental conditions, and the reliability of experimental conclusion is reduced; for example, in the prior art, when the environmental temperature is required to be controlled, the beaker is soaked in constant-temperature water to realize heat preservation, so that the temperature precision is not high, the heat conduction efficiency is low, a heat source is wasted, a large amount of energy is wasted when the adsorption experiment is continued for tens of hours, the difference between each group of control groups is further enlarged, and the reliability of experimental data is affected.
Disclosure of Invention
In view of the above drawbacks of the prior art, an object of the present invention is to provide an apparatus for adsorption experiment of a smelling substance, which is used for solving the problem that the existing experimental apparatus cannot meet the requirements in the prior art, especially in the experimental condition that continuous stirring is required and sealing of the solution is maintained.
In order to achieve the above and other related objects, the present invention provides an adsorption experiment device for a smell substance, comprising a base and an upper cover, wherein the upper cover is arranged above the base;
also comprises a plurality of experimental components;
the base is provided with a plurality of concave cavities, the experiment assembly is positioned in the concave cavities, and the experiment assembly comprises a beaker, a stirrer and a driving assembly;
the inner side of the beaker is provided with an annular guide groove, and the stirrer is arranged in the guide groove;
the stirrer comprises an annular piece, a plurality of permanent magnets and a plurality of spiral blades, wherein the annular piece is of a sandwich structure with three layers, the permanent magnets are arranged in the middle layer of the annular piece, the spiral blades are arranged on the inner side wall of the annular piece, one end face of the annular piece is also provided with a guide block, and the guide block is inserted into the guide groove and is in sliding fit with the guide groove;
the driving assembly is arranged around the periphery of the beaker, the height area of the driving assembly is identical to that of the stirrer, a plurality of bosses are arranged on the inner side of the driving assembly, and wire windings are wound on the bosses.
Optionally, the beaker includes lower cup, cup and connecting piece one, connecting piece one is "H" shape structure, lower cup and cup card respectively go into connecting piece one's downside concave area and upside concave area and connect into sealed whole, the guide slot is located on connecting piece one's upside's the inner ring.
Optionally, the cup body includes cup, well cup and connecting piece two, connecting piece two is "H" shape structure, go up cup and well cup respectively card go into the upside concave area and the downside concave area of connecting piece two and connect into sealed whole, also be equipped with on the inner ring of connecting piece two downside the guide slot.
Optionally, guide blocks are respectively arranged on two end faces of the annular piece, and the two guide blocks are respectively inserted into the guide grooves of the first connecting piece and the second connecting piece and are in sliding fit.
Optionally, the beaker further comprises a cup cover, wherein a glass tube is arranged in the center of the lower part of the cup cover, and the length of the glass tube is slightly smaller than the depth of the beaker;
the glass tube is higher than the stirrer and a plurality of through holes are formed in two ends lower than the stirrer.
Optionally, the through holes are arranged in a cross quincuncial shape on the glass tube.
Optionally, a cup handle is arranged in the center of the upper part of the cup cover, at least one cup hole is arranged on the cup handle, and the cup hole penetrates through the cup cover.
Optionally, a thin tube is arranged in the cup hole, and the lower end of the thin tube is inserted into the glass tube.
Optionally, the lower cup body is of a double-layer structure, wherein the outer layer of the lower cup body is made of metal.
Optionally, the experimental assembly further comprises a coil, wherein the coil is arranged around the lower cup body, and the bottom of the coil is higher than the bottom of the concave cavity.
As described above, the adsorption experimental device for the odor substances has at least the following beneficial effects:
can require to stir continuously and keep sealed smell the material adsorption experiment, this smell the material adsorb experimental apparatus includes base and upper cover, be equipped with a plurality of experimental components on the seat, experimental component includes the beaker, agitator and drive assembly, the agitator sets up in the beaker is inboard, can stir the liquid in the beaker under drive assembly's drive, drive assembly sets up in the beaker periphery, its altitude area is the same with the altitude area of agitator, do not have physical contact between drive assembly and the agitator, need not to carry out contactless drive through stretching into the hub connection of beaker, stability is high, stirring control is accurate, and the sealing of beaker is not influenced moreover. In the experiment requiring long-time continuous stirring, hands of an experimenter can be released; meanwhile, compared with manual stirring, the stirring parameters among a plurality of control groups can be ensured to be consistent, so that the reliability of experimental conclusion is improved.
Drawings
Fig. 1 shows an overall schematic of the present invention.
FIG. 2 is a schematic diagram of the experimental assembly of the present invention.
Fig. 3 shows a schematic top view of the experimental assembly of the present invention.
FIG. 4 shows a schematic cross-sectional view of an experimental assembly of the present invention.
Fig. 5 shows a schematic view of an experimental assembly of the present invention without a stirrer installed.
Fig. 6 is an enlarged view of a portion of fig. 4 at a in accordance with the present invention.
Fig. 7 is an enlarged view of a portion of fig. 5B in accordance with the present invention.
FIG. 8 shows a schematic view of a stirrer according to the present invention.
FIG. 9 shows a schematic cross-sectional view of a stirrer of the present invention.
Fig. 10 shows a schematic diagram of a beaker according to the invention.
Fig. 11 shows a schematic view of another beaker according to the invention.
Fig. 12 shows a schematic view of a beaker and its lid according to the invention.
FIG. 13 is a schematic view of a cap and glass tube of the present invention.
FIG. 14 is a schematic drawing showing the sampling from an experimental assembly according to the present invention.
FIG. 15 is a schematic view showing the distribution of through holes in a glass tube according to the present invention.
FIG. 16 shows a schematic of the circulation of a liquid stream in a beaker according to the invention.
Wherein: base 1, cavity 11, upper lid 2, experimental assembly 3, beaker 31, lower cup 311, outer layer 3111, upper cup 3121, middle cup 3122, guide channel 3131, first connector 3133, second connector 3134, cup lid 314, glass tube 3141, through hole 31411, cup handle 3142, cup hole 31421, tubule 31422, stirrer 32, ring 321, guide block 3211, permanent magnet 322, spiral blade 323, drive assembly 33, boss 331, wire winding 332, coil 34, temperature sensor 41, console 42, hose 43, syringe 44, high pressure zone 51, low pressure zone 52.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
Please refer to fig. 1 to 16. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the invention, are included in the spirit and scope of the invention which is otherwise, without departing from the spirit or scope thereof. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
The following examples are given by way of illustration only. Various embodiments may be combined and are not limited to only what is presented in the following single embodiment.
Referring to fig. 1, the invention provides an adsorption experimental device for odor substances, which comprises a base 1 and an upper cover 2, wherein the upper cover 2 is arranged above the base 1, and the experimental device further comprises a plurality of experimental components 3;
the base 1 is provided with a plurality of concave cavities 11, the experiment assembly 3 is positioned in the concave cavities 11, and the experiment assembly 3 comprises a beaker 31, a stirrer 32 and a driving assembly 33;
please refer to fig. 2, fig. 4, fig. 5 and fig. 7, wherein fig. 2 is an overall schematic diagram of the experimental assembly, fig. 5 is a cross-sectional view of the experimental assembly, and fig. 7 is a partially enlarged schematic diagram at B in fig. 5. As shown in fig. 5 and 7, an annular guide groove 3131 is provided inside the beaker 31, and in combination with fig. 4, a stirrer 32 is installed to the guide groove 3131. Referring to fig. 8 and 9, the stirrer 32 includes a ring 321, a plurality of permanent magnets 322 and a plurality of spiral blades 323, the ring 321 is a sandwich structure with three layers, the permanent magnets 322 are disposed in the middle layer of the ring 321, the spiral blades 323 are disposed on the inner side wall of the ring 321, one end surface of the ring 321 is further provided with a guide block 3211, the guide block 3211 is inserted into the guide groove 3131 and slidingly engaged, and the stirrer 32 can rotate in the beaker 31;
referring to fig. 2 and 4, the driving assembly 33 is disposed around the beaker 31, and has a height region identical to that of the stirrer 32, a plurality of bosses 331 are disposed inside the driving assembly 33, and a wire winding 332 is wound on the bosses 331.
Stirring is an indispensable step in the odor substance adsorption experiment, and when the original test solution is prepared, the stirring can accelerate the dissolution speed and degree of the odor substance in water, so that the odor substance is fully and rapidly dissolved in the water, and the next experiment can be rapidly carried out. In the experimental process, after the tested catalytic material for adsorption is added, continuous stirring is also required to enable the test solution to be fully contacted with the catalytic material, so that the adsorption process is accelerated. The forbidden liquid is precipitated to the bottom after the solid catalytic material is added because of smaller fluidity, the odor substances in the test solution cannot fully contact with the solid catalytic material, the adsorption process is very slow, the experimental period is long, and the experimental period is not in line with the adsorption scene in the actual water purification treatment flow.
In order to comprehensively measure the adsorption characteristics of the catalytic material on the odor substances under various environmental conditions, a plurality of groups of control experiments are generally carried out at the same time, and the performance of the catalytic material under various conditions is comprehensively evaluated by controlling the parameters of each group of experiments, such as stirring speed, solution temperature, illumination intensity and the like, so that the method can be used for researching the performance of the catalytic material and optimizing parameters in the field of actual water purification. In order to obtain finer data, the change of the concentration of the odor substances of the test solution at different moments in the reaction process needs to be measured, in the prior art, because the experimental conditions are limited, the experiment needs to be stopped when the test solution sample is extracted, the stirring is stopped, and the original sealing environment is destroyed, so that a longer sampling interval can be designed, the sampling times are reduced, and the damage to the experimental environment is reduced. Therefore, on one hand, the suspension of experimental sampling increases experimental errors and reduces the reliability of data; on the other hand, the sampling interval is longer, the data points are fewer, important parameters can be lost, and important experimental data are omitted.
In the prior art, an experimenter generally takes a common glass beaker as a reaction tank, dissolves odor substances, adds a catalytic material, then soaks the common glass beaker into a constant-temperature water tank, stirs the solution, samples after a specific time period at intervals, and measures the concentration of the remaining odor substances in the solution, thereby obtaining an adsorption characteristic curve of the catalytic material in the current environment and related to time, and further carrying out further analysis and research.
In the prior art, when the duration of the experiment is long, the experimenter cannot continuously stir manually, and the experiment is generally provided with a plurality of groups of control groups, so that the experimenter cannot stir simultaneously; in addition, some control groups also require a sealed reaction tank, and stirring tools are difficult to extend into the reaction tank. In the improvement of the prior art, a magnetic stirrer is also used, specifically, a magnetic stirrer is placed at the bottom of a beaker, then the beaker is integrally placed on a rotary magnet, when the angle of the rotary magnet below the beaker is opposite to the magnetic polarity of the magnetic stirrer at the bottom of the beaker by utilizing the principle that like poles of the magnets repel each other, the magnetic stirrer at the bottom of the beaker can be moved by repulsive force, and when the rotary magnet below the beaker continuously rotates, the magnetic stirrer at the bottom of the beaker can also correspondingly continuously move, so that the stirring effect on liquid in the beaker is formed.
In the prior art, the stirring body is driven completely by magnetism, the movement of the stirring body is irregular and is easily influenced by liquid flow, and even if the rotating speed of the rotating magnet below the beaker can be accurately controlled, the rotation of the magnetic stirring body in the beaker cannot be controlled relatively accurately. Along with the increase of the rotating speed, the magnetic stirring body can lead the solution in the beaker to form a vortex from top to bottom in the center, the bottom of the vortex is continued to the magnetic stirring body, the air in the vortex can reduce the contact between the magnetic stirring body and the liquid, the stirring performance is reduced, and the stirring effect can not be further improved; on the other hand, the special mechanical distribution of the vortex can also cause instability of the magnetic stirring body, even the magnetic stirring body bounces in a beaker, and the magnetic stirring body collides with the side wall and the bottom of the beaker, so that the reliability of experimental data is affected, and experimental instruments can be damaged.
In this embodiment, the adsorption experimental apparatus includes multiple groups of experimental components 3, and multiple groups of control experiments can be performed simultaneously. For each experimental assembly 3, the stirrer 32 and the driving assembly 33 are driven by electromagnetic induction, the rotation of the stirrer 32 is precisely controlled by the induction magnetic field in the wire winding 332 wound on the boss 331, so that the consistency of stirring parameters among various control groups can be ensured, the inconsistency of stirring parameters of various control groups caused by manual stirring or magnetic stirring in the prior art is reduced, the error of non-control difference number among various control groups is enlarged, and the reliability of experimental conclusion is affected.
In this embodiment, the guide block 3211 on the lower end surface of the stirrer 32 is inserted into the guide groove 3131 of the beaker 31, and is in sliding contact with the guide groove 3131, so that the guide groove 3131 plays a role in guiding and guiding the stirrer 32, and under the driving action of the driving component 33, when the rotation speed of the stirrer 32 is higher, the stirrer cannot be unstable or even randomly jumped in the beaker 31 like the magnetic stirrer of the magnetic stirrer in the prior art, and the stirrer 32 of this embodiment can work stably at higher stirring rotation speed; in addition, in the prior art, the stirring rod is eccentrically fixed on the motor shaft, and the motor shaft drives the stirring rod to reciprocate to stir, in this way, the connection of the power shaft inevitably causes the difficulty in sealing the beaker 31, while in the embodiment, the driving assembly 33 drives the stirrer 32 in a non-contact way, the cup opening can be simply sealed by a film or a cup cover, and the implementation is convenient; in the prior art, the motor drives the stirring rod to have low reliability, when the odor substance adsorption experiment lasts for tens of hours, the motor also needs to continuously run for tens of hours, the motor generates large heat when rotating, the continuous running failure rate is high, in the embodiment, the stirrer 32 spontaneously rotates, the contact end of the stirrer 32 and the beaker 31 generates heat through friction, but the whole stirrer is soaked in the experiment solution, almost no temperature rise exists, the heat is not conducted to one side of the driving component 33, and the performance is reliable and is not easy to fail when continuously stirring; in this embodiment, the stirrer 32 may be directly placed into the beaker 31 from top to bottom to complete the installation work, or may be taken upward to remove, and the process is simple and convenient.
Referring to fig. 10, the beaker 31 includes a lower cup 311, a cup 312 and a first connector 3133, the first connector 3133 has an H-shaped structure, the lower cup 311 and the cup 312 are respectively clamped into a lower concave area and an upper concave area of the first connector 3133 and are connected into a sealed whole, and the guide groove 3131 is arranged on an inner ring on the upper side of the first connector 3133.
In this embodiment, the beaker 31 is of a segmented structure, the middle is connected by a first connector 3133, and a guide groove 3131 for mounting the stirrer 32 is provided on the first connector 3133. The advantage is that the processing difficulty of the beaker 31 body is reduced, the lower cup body 311 and the cup body 312 can be obtained by cutting a common glass beaker without manufacturing a beaker with a special-shaped integral type guide groove 3131 for installing the stirrer 32; on the other hand, the beaker 31 is of a split structure, so that the bottom of the lower cup 311 and the inner side of the cup body 312 can be conveniently cleaned after the experiment is finished, and the cleaning inconvenience of the conventional beaker caused by the long cylindrical shape is reduced.
Referring to fig. 11, the cup body 312 includes an upper cup 3121, a middle cup 3122 and a second connector 3134, wherein the upper cup 3121 and the middle cup 3122 are respectively clamped into an upper concave area and a lower concave area of the second connector 3134 and are connected into a sealed whole, and the inner ring at the lower side of the second connector 3134 is also provided with the guide groove 3131.
In this embodiment, the beaker 31 is further segmented, and the segments are still connected by connecting members, and the guide grooves 3131 of the upper and lower connecting members are arranged opposite to each other. Further, referring to fig. 4 and 6, both end surfaces of the ring 321 are provided with guide blocks 3211, and the two guide blocks 3211 are respectively inserted into the guide grooves 3131 of the first connector 3133 and the second connector 3134 and are slidably engaged.
In this embodiment, the two connecting members are disposed opposite to each other, so that the guide grooves 3131 of the two connecting members are located at opposite sides, and both sides of the ring 321 can be respectively engaged into the two guide grooves 3131, thereby providing better supporting and restraining effects on the stirrer 32. Specifically, in order to improve the stirring efficiency, the inner side of the stirrer 32 is provided with a plurality of spiral blades 323, when the stirrer rotates during operation, the spiral blades 323 generate thrust to the liquid according to the direction and angle of the spiral blades, meanwhile, the reaction force of the liquid also acts on the spiral blades, and when the rotation direction of the stirrer 32 is changed, the liquid thrust received by the stirrer also changes correspondingly.
In the practical implementation, it is possible to design a rotation pattern of alternating forward and reverse rotation, and the thrust of the liquid on the spiral blade 323 may be upward or downward. In this embodiment, through all setting up guide blocks 3211 in the ring 321 both sides of agitator 32, and block respectively in the guide slot 3131 of two upper and lower connecting pieces, can prevent that helical blade 323 from breaking away from the problem of guide slot 3131 gradually under complicated stirring operating mode, increased experimental assembly 3's stability and practicality for agitator 32 can both stable work under the scene of corotation and reversal.
The beaker 31 in the prior art is generally of an integral structure, and a cup mouth for conveniently pouring liquid is arranged at the upper end of the beaker. In this embodiment, beaker 31 comprises multiple segments, with middle cup 3122 being a straight segment in the middle of the beaker. In practice, multiple connectors may be used to connect multiple middle cups 3122, thereby increasing the height and capacity of beaker 31; meanwhile, according to the principle of the above embodiment, a plurality of stirrers 32 may be provided in the middle of a plurality of continuous connection members, and when the beaker 31 is multi-stage, the connection members may be provided with guide groove structures on both upper and lower sides thereof to facilitate the installation of the stirrers 32 on both sides thereof, and the helical blades of each layer of stirrers 32 may be reversely installed, thereby achieving a more sufficient and complicated stirring effect.
Referring to fig. 12, the beaker 31 further comprises a cup cover 314, a glass tube 3141 is arranged in the center of the lower part of the cup cover 314, and the length of the glass tube 3141 is slightly smaller than the depth of the beaker 31;
the glass tube 3141 is provided with a plurality of through holes 31411 at both ends higher than the stirrer 32 and lower than the stirrer 32.
In this embodiment, the cup cover 314 can be used for sealing the beaker 31, and compared with the prior art using plastic film for sealing, the cup cover is more convenient, and no material loss is caused. When the cup cover 314 is covered, the bottom end of the glass tube 3141 is a small distance from the bottom of the beaker 31, and cannot touch the bottom of the cup.
The glass tube 3141 is vertically inserted into the solution, and has through holes 31411 at both ends, and the middle non-porous section is equivalent to the height of the stirrer 32. The design has two benefits, one is that hollow vortex can be prevented from forming in the center of the solution in the stirring process, the vortex can influence the stirring quality, and the vibration of the beaker 31 can be caused, so that the experiment is negatively influenced; on the other hand, the liquid is facilitated to form reflux, and the stirring quality is improved. Specifically, when the spiral vane 323 rotates, a thrust force is generated on the liquid in a region below or above the spiral vane 323, the liquid is rotated to form a vortex in the center, after the glass tube 3141 is arranged in the center region, the inner side and the outer side of the glass tube 3141 are divided into two relatively isolated regions due to the sealing of the middle section of the glass tube 3141, and when the spiral vane 323 rotates, the vortex cannot be formed in the glass tube 3141, and the thrust force is not generated on the liquid in the glass tube 3141. When the spiral vane 323 rotates, the liquid is pressed into the lower side or the upper side of the spiral vane 323, as shown in fig. 15, and a high pressure area 51 and a low pressure area 52 are respectively formed, and at this time, the liquid can just enter the glass tube 3141 from the through hole 31411 of the glass tube 3141 under the action of the pressure difference, and a liquid flow channel is formed, so that backflow is formed, and the stirring quality is greatly improved.
In this embodiment, referring to fig. 15, the through holes 31411 are arranged in a quincuncial pattern intersecting with each other on the glass tube 3141.
The quincuncial arrangement means that the through holes 31411 are staggered on different height layers, so that the pitch of the through holes 31411 is greatly increased on the same height layer. The glass tube 3141 is arranged at the rotation center of the spiral blade 323, a liquid pressure and impact area can be formed when the spiral blade 323 rotates, the through holes 31411 are arranged in a cross quincuncial shape, damage to the mechanical property of the glass tube 3141 can be reduced under the condition of large open holes, and the capability of bearing the liquid impact force generated when the spiral blade 323 rotates is improved.
In this embodiment, referring to fig. 12 and 13, a handle 3142 is provided at the center of the upper portion of the lid 314, and at least one hole 31421 is provided in the handle 3142, and the hole 31421 extends through the lid 314. Further, a thin tube 31422 is provided in the cup hole 31421, and the lower end of the thin tube 31422 is inserted into the glass tube 3141.
The cup handle 3142 can be convenient for the experimenter to operate, is provided with the cup hole 31421 in the cup handle 3142, and when the experiment is implemented, experimenters can add reaction substances into the beaker 31 through the thin tube 31422, can also extract samples from the beaker 31 through the thin tube 31422, can also put into a sensor from the cup hole 31421 for detecting and recording solution parameters in real time, for example, can put into the temperature sensor 41, thereby accurately measuring the liquid temperature, further adjusting the heat preservation system and adjusting the environmental temperature parameters of the adsorption experiment.
Compared with the prior art, in the process of adding the reaction substances, extracting the samples and measuring the parameters, the system can still be kept sealed, the adsorption experiment does not need to be stopped, the stirring is kept in the original state, and the error caused by the measurement operation is reduced to the greatest extent. As in fig. 14, the reaction substance is added and the sample is extracted through the syringe 44 and the tube 43, and after the operation is completed, the tube 43 is clamped by a clamp, so that the system is kept in a sealed state.
In addition, the glass tube 3141 also protects the fine tube 31422 and the temperature sensor 41 and the like inside thereof from contact with the blade or even damage due to the flow and impact of the liquid during stirring.
In this embodiment, referring to fig. 10, the lower cup 311 has a double-layer structure, wherein an outer layer 3111 of the lower cup 311 is made of metal. In the prior art, when the experiment requires to control the temperature, a method of immersing the beaker 31 in a constant-temperature water tank is generally adopted, the temperature control effect of the method is poor, the temperature change reaction is slow, the method is greatly dependent on the heat transfer efficiency of the beaker, when the experiment needs to be carried out for a long time, a continuous constant-temperature water source is correspondingly needed, a large amount of heat is wasted when the experiment is carried out, and the parameter difference among each group of comparison groups is further enlarged, so that the reliability of experimental data is influenced. In this embodiment, the metal material is provided on the outer layer 3111 of the lower cup 311, so that the heat conduction efficiency can be improved to some extent, and the temperature control accuracy can be improved.
Referring to fig. 2, the experimental assembly 3 further includes a coil 34, the coil 34 is disposed around the lower cup 311, and the bottom of the coil 34 is higher than the bottom of the cavity 11.
The outer layer 3111 of the lower cup 311 is provided with a metal material, and the coil 34 is provided around the lower cup 311, and when a current is applied to the coil 34, a heat source is formed on the outer layer 3111, thereby heating the liquid in the beaker 31. The heating mode has higher efficiency and higher reaction speed, and can be matched with the temperature sensor 41 in the embodiment to realize accurate and rapid control of the temperature of the adsorption reaction tank. In this embodiment, the metal material may be disposed in the inner layer of the lower cup 311, but this may cause the metal material to directly contact with the solution, which may introduce an uncertainty for the adsorption experiment.
Referring to fig. 1 and 14, a water inlet pipe 12 and a water outlet pipe 13 are disposed on a base 1, and cavities 11 of the base 1 are mutually communicated, so that a liquid for controlling temperature can enter from the water inlet pipe 12 and flow through each cavity 11 and then flow out from the water outlet pipe 13. The experimental assembly 3 is positioned in the concave cavity 11, and the bottom of the experimental assembly 3 is in contact with the liquid for temperature control for heat exchange, so that a certain degree of heat preservation effect is achieved. The side wall of the concave cavity 11 can also use heat insulation materials to delay spontaneous heat exchange and improve active temperature control capability. The heating and agitation of each of the test modules 3 can be independently controlled by the console 42 to facilitate control experiments. A xenon lamp may also be provided on top of the inside of the upper cover 2 for simulating lighting conditions.
In summary, the invention effectively overcomes various defects in the prior art, and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (8)
1. The utility model provides an adsorb experimental apparatus of smell material, includes base (1) and upper cover (2), upper cover (2) are located base (1) top, its characterized in that:
also comprises a plurality of experimental components (3);
a plurality of concave cavities (11) are formed in the base (1), the experiment assembly (3) is located in the concave cavities (11), and the experiment assembly (3) comprises a beaker (31), a stirrer (32) and a driving assembly (33);
an annular guide groove (3131) is formed in the inner side of the beaker (31), and the stirrer (32) is detachably arranged in the guide groove (3131);
the stirrer (32) comprises an annular piece (321), a plurality of permanent magnets (322) and a plurality of spiral blades (323), wherein the annular piece (321) is of a sandwich structure with three layers, the permanent magnets (322) are arranged in the middle layer of the annular piece (321), the spiral blades (323) are arranged on the inner side wall of the annular piece (321), one end face of the annular piece (321) is further provided with a guide block (3211), and the guide block (3211) is inserted into the guide groove (3131) and is in sliding fit with the guide groove, and the stirrer (32) can rotate in the beaker (31);
the driving assembly (33) is arranged around the periphery of the beaker (31), the height area of the driving assembly is the same as that of the stirrer (32), a plurality of bosses (331) are arranged on the inner side of the driving assembly (33), and a wire winding (332) is wound on the bosses (331);
the beaker (31) further comprises a cup cover (314), a glass tube (3141) is arranged in the center of the lower part of the cup cover (314), the glass tube is arranged at the rotation center of the spiral blade, and the length of the glass tube (3141) is slightly smaller than the depth of the beaker (31);
the glass tube (3141) is higher than the stirrer (32) and a plurality of through holes (31411) are formed in the two ends lower than the stirrer (32), and the middle non-hole section of the glass tube (3141) is equal to the stirrer (32) in height;
the center of the upper part of the cup cover (314) is provided with a cup handle (3142), the cup handle (3142) is provided with at least one cup hole (31421), the cup hole (31421) penetrates through the cup cover (314), and the sensor is placed down through the cup hole.
2. The device for adsorption experiments of odorous substances as claimed in claim 1, wherein the beaker (31) comprises a lower cup body (311), a cup body (312) and a first connecting piece (3133), the first connecting piece (3133) is of an H-shaped structure, the lower cup body (311) and the cup body (312) are respectively clamped into a lower concave area and an upper concave area of the first connecting piece (3133) and are connected into a sealed whole, and the guide groove (3131) is arranged on an inner ring on the upper side of the first connecting piece (3133).
3. An adsorption experiment device for a smell substance as claimed in claim 2, wherein the cup body (312) comprises an upper cup body (3121), a middle cup body (3122) and a second connector (3134), the second connector (3134) is in an H-shaped structure, the upper cup body (3121) and the middle cup body (3122) are respectively clamped into an upper concave area and a lower concave area of the second connector (3134) and are connected into a sealed whole, and the inner ring of the lower side of the second connector (3134) is also provided with the guide groove (3131).
4. A device according to claim 3, wherein both end faces of the ring member (321) are provided with guide blocks (3211), and both guide blocks (3211) are respectively inserted into the guide grooves (3131) of the first connector (3133) and the second connector (3134) and slidably fitted.
5. An adsorption experiment apparatus for a smell substance as claimed in claim 4, wherein said through holes (31411) are arranged in a cross quincuncial shape on said glass tube (3141).
6. An apparatus for adsorption experiment of a smelling substance according to claim 4, wherein a thin tube (31422) is provided in the cup hole (31421), and the lower end of the thin tube (31422) is inserted into the glass tube (3141).
7. An apparatus for adsorption experiment of a smell substance as set forth in claim 2, wherein the lower cup (311) has a double-layered structure, and wherein the outer layer (3111) of the lower cup (311) is made of metal.
8. An adsorption assay device for a malodorous substance as claimed in claim 7, wherein said assay assembly (3) further comprises a coil (34), said coil (34) being disposed around said lower cup (311), the bottom of said coil (34) being higher than the bottom of said cavity (11).
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