CN108572191A - Quicklime digestion rate rapid detection device - Google Patents

Abstract

The invention relates to a quick lime digestion rate detection device. A column (2) is vertically arranged on a base (1), a sliding bracket is sleeved on the outside of the column (2), and a locking member (4) can The sliding bracket is fixed on the column (2); the reaction cup (13) can be fixed on the base (1), the heat collecting cover (11) and the liquid storage cup (14) are connected with the sliding bracket, and when the sliding bracket slides down, the The heat collecting cover (11) covers the reaction cup (13); the lower end of the liquid storage cup (14) is provided with a liquid outlet pipe (16) with a valve (14), and the lower end of the liquid outlet pipe (16) extends into the heat collecting cover ( 11) inside; the temperature measuring device can measure the temperature of the space inside the heat collecting cover (11). The device can quickly and accurately judge the digestion rate of quicklime, advance the previous operation information by more than 30 minutes, and solve the problem of ignorance of the digestion of quicklime. At the same time, the device has the characteristics of compactness, portability, and ease of use.

Description

Quicklime digestion rate rapid detection device

technical field

The invention relates to a quick lime digestion rate detection device, which belongs to the technical field of sintering production.

Background technique

In the sintering production process, a part or all of quicklime and active ash are used to replace limestone as a sintering flux, and the heat generated during the digestion of quicklime and active ash is used to preheat the sintering mixture. The colloidal substance is beneficial to improve the ball formation of sintering mixture and improve the quality of sintering output. Since the quicklime is intermittently fed to the lime silo by the tank shop, there are differences in the quicklime, CaO and digestion rate of the quicklime provided by different manufacturers at different times at different times. It takes about 30 minutes from the addition of quicklime to the response of the sintering process. The case of quicklime will have a great impact on the sintering operation. Eventually lead to large fluctuations in production quality.

Contents of the invention

The technical problem to be solved by the invention is that quicklime cannot quickly detect the digestion rate, which affects the sintering process and reduces product quality.

The technical solution adopted by the present invention to solve the technical problem is: quick lime digestion rate detection device, including base, column, liquid storage cup, sliding bracket, temperature measuring device, heat collection cover, reaction cup, reaction cup fixing part and locking The column is set vertically and vertically on the base, the sliding bracket is sleeved on the outside of the column, and can slide up and down along the column, and the locking piece can fix the sliding bracket on the column; the cuvette is fixed by the cuvette The parts can be fixed on the base, and the heat collecting cover and the liquid storage cup are connected with the sliding bracket. When the sliding support slides down, the heat collecting cover can cover the reaction cup; The lower end of the liquid pipe extends into the heat collecting cover; the temperature measuring device can measure the temperature of the space inside the heat collecting cover.

Wherein, the above-mentioned device also includes a stirrer, the stirrer is connected with the sliding bracket, and the stirring shaft of the stirrer passes through the heat collecting cover, and the stirring head at the lower end of the stirring shaft extends into the heat collecting cover.

Wherein, the sliding bracket in the above-mentioned device includes a sleeve, an upper bracket and a lower bracket. The sleeve sleeve is arranged on the outside of the column and can slide up and down; The outer wall of the tube is connected, the drive motor of the agitator is connected with the upper bracket away from the sleeve end, the heat collector is connected with the lower bracket away from the sleeve end, and the liquid storage cup is connected with the middle of the lower bracket.

Wherein, the temperature measuring device in the above-mentioned device is a temperature display instrument, and the temperature display instrument includes an electrically connected probe and a display, the probe is vertically arranged on the heat collecting cover and extends into the heat collecting cover, and the display is arranged on the upper bracket of the middle.

Wherein, the cuvette fixing part in the above-mentioned device includes at least two pins arranged at the lower end of the cuvette, and an adapted socket is provided on the base so that the cuvette can be inserted into the base.

Wherein, the locking member in the above device is a locking screw, and an adapted threaded hole is provided on the outer wall of the casing perpendicular to the axial direction, and the locking screw is threadedly connected with the casing.

Wherein, a positioning ring is arranged on the lower outer wall of the column in the above-mentioned device.

Wherein, the liquid storage cup in the above-mentioned device is provided with a scale line, and the valve below the liquid storage cup is a solenoid valve, and the solenoid valve is electrically connected to the agitator motor.

Wherein, the above-mentioned device also includes an exhaust pipe, the exhaust pipe is arranged obliquely, and the lower end is connected with the outer wall of the heat collecting cover, and communicated with the inside of the heat collecting cover.

Further, a sealing ring is provided on the lower part of the inner wall of the heat collecting cover in the above device, and the inner wall of the sealing ring is a tapered structure.

The beneficial effects of the present invention are: the device can measure the temperature at each time point when the quicklime reacts with water through the temperature measuring device, and record the temperature at multiple time points, and determine the time when the quicklime reaches the highest temperature. rate of digestion. The device can quickly and accurately judge the digestion rate of quicklime, advance the previous operation information by more than 30 minutes, and solve the problem of ignorance of the digestion of quicklime. At the same time, the device has the characteristics of compactness, portability, and ease of use.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a structural schematic diagram in Fig. 1 of the present invention;

Fig. 3 is a schematic cross-sectional structure diagram of the sealing ring of the present invention.

Reference signs: 1 is the base, 111 is the socket, 2 is the column, 3 is the positioning ring, 4 is the locking member, 5 is the sealing ring, 6 is the casing, 7 is the display, 8 is the upper bracket, and 9 is the stirring 10 is a probe, 11 is a heat collecting cover, 12 is an exhaust pipe, 13 is a reaction cup, 131 is a latch, 14 is a liquid storage cup, 15 is a valve, 16 is a liquid outlet pipe, and 17 is a lower support.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figure 1, Figure 2 and Figure 3, a quick lime digestion rate detection device of the present invention includes a base 1, a column 2, a liquid storage cup 14, a sliding bracket, a temperature measuring device, a heat collecting cover 11, and a reaction cup 13. Reaction cup fixing parts and locking parts 4; the column 2 is vertically arranged on the base 1, the sliding bracket is sleeved on the outside of the column 2, and can slide up and down along the vertical rod, and the locking part 4 can be Fix the sliding bracket on the column 2; the cuvette 13 can be fixed on the base 1 through the cuvette fixing parts, the heat collecting cover 11 and the liquid storage cup 14 are connected with the sliding bracket, when the sliding bracket slides down, the heat collecting cover 11 Cover the reaction cup 13; the lower end of the liquid storage cup 14 is provided with a liquid outlet pipe 16 with a valve 15, and the lower end of the liquid outlet pipe 16 extends into the heat collecting cover 11; the temperature measuring device can measure the temperature of the space inside the heat collecting cover 11 . Those skilled in the art can understand that the vertical rod is vertically arranged on the upper end surface of the base 1, so that the sliding bracket is respectively connected and fixed with the heat collecting cover 11 and the liquid storage cup 14, and the sliding bracket can be fixed on the On the column 2, fix the reaction cup 13 on the upper end surface of the base 1, add 200g of quicklime into the cup, and add the same amount of water into the liquid storage cup 14, slide the sliding bracket down, and the heat collecting cover 11 covers the reaction cup 13, and open the valve 15 at the lower end of the liquid storage cup 14, so that water flows into the reaction cup 13 along the liquid outlet pipe 16, and the temperature of the inner space of the heat collecting cover 11 changes with time after the water is added through the temperature measuring device . Clean up the cuvette 13 and add another batch of quicklime again, perform the above operation and record the temperature change of the inner space of the heat collecting cover 11 with time. After all batches of lime are subjected to the above operations, compare the maximum temperature measured by each batch of quicklime and the time required to reach the maximum temperature. The higher the maximum temperature, the more intense the reaction, the greater the heat released, and the better the digestion rate; the shorter the time required to reach the maximum temperature, the faster the reaction, and the better the digestion rate; you can determine the activity of different batches of quicklime. The device can measure the temperature and time according to the number of samples: Sample 1, the maximum temperature reached 90°C 80s after adding water; Sample 2, the maximum temperature reached 94°C 80s after adding water; Sample 3, 90s after adding water The highest temperature is 94°C; sample 4, the highest temperature is 95°C 40s after adding water; sample 5, the highest temperature is 95°C 110s after adding water; sample 6, the highest temperature is 90°C 270s after adding water; sample Seventh, after adding water, it reaches the highest temperature of 69℃ in 556s. Through sample 1 and sample 6, sample 2 and sample 3, sample 4 and sample 5, it can be concluded that the same maximum temperature is reached, and the digestion rate is the shortest, so the digestion rate of sample 1 is better. In sample 6, the digestion rate of sample 2 is better than that of sample 3, and the digestion rate of sample 4 is better than that of sample 5. The conclusion that can be drawn from Sample 4 and Sample 7 is that the shorter the time to reach the highest temperature and the shorter the required time, the higher the digestion rate, so the digestion rate of Sample 4 is due to that of Sample 7.

Preferably, the above-mentioned device further includes a stirrer 9, the stirrer 9 is connected to the sliding bracket, and the stirring shaft of the stirrer 9 passes through the heat collecting cover 11, and the stirring head at the lower end of the stirring shaft extends into the heat collecting cover 11. Those skilled in the art can understand that this device is only for the adjustment of the measurement results and the actual sintering process operation, so it is preferable to also set the stirrer 9, and the speed of the stirrer 9 should be consistent with the stirring speed in the sintering process.

Preferably, the sliding bracket in the above-mentioned device includes a sleeve 6, an upper bracket 8 and a lower bracket 17, the sleeve 6 is sleeved on the outside of the column 2, and can slide up and down; the upper bracket 8 and the lower bracket 17 are arranged in parallel and one end is vertical respectively On the axis of casing 6 and connected to the outer wall of casing 6, the drive motor of stirrer 9 is connected to the end of upper bracket 8 away from casing 6, the heat collecting cover 11 is connected to the end of lower bracket 17 away from casing 6, and the liquid storage cup 14 Connect with the middle part of the lower bracket 17. Those skilled in the art can understand that the specific structure of the sliding bracket is further preferred for this device, the sleeve 6 is sleeved on the outside of the vertical rod, the upper bracket 8 and the lower bracket 17 are arranged in parallel and one end is respectively connected and fixed to the outer wall of the sleeve, and The upper bracket 8 and the lower bracket 17 are arranged perpendicular to the axis of the casing 6 . The stirrer 9 is connected and fixed with the other end of the upper support 8 , the heat collecting cover 11 is connected and fixed with the other end of the lower support 17 , and the liquid storage cup 14 is installed in the middle position of the lower support 17 . Preferably, the stirring axis of the stirrer 9 is perpendicular to the upper end surface of the heat collecting cover 11 .

Preferably, the locking member 4 in the above-mentioned device is a locking screw, and the outer wall of the casing 6 is provided with a suitable threaded hole perpendicular to the axial direction, and the locking screw is threadedly connected with the casing 6 . Those skilled in the art can understand that, in this device, the preferred way to connect the sleeve 6 to the column 2 is to screw the locking screw to fix it. Preferably, the extension end of the locking screw is symmetrically hinged with two arc-shaped fixed pieces, and the side of the fixed piece is provided with a stripe structure.

Preferably, the cuvette fixing member in the above device includes at least two pins 131 disposed at the lower end of the cuvette 13 , and the base 1 is provided with a suitable socket 111 so that the cuvette 13 can be plugged into the base 1 . Those skilled in the art can understand that, in this device, the cuvette 13 and the base 1 are preferably fixed by inserting and fixing. Specifically, at least two pins 131 are provided on the lower end surface of the cuvette 13, and sockets are provided on the base 1. 111, the pin 131 is directly inserted into the socket 111, and the cuvette 13 can be fixed on the base 1, preventing the stirrer 9 from driving the reactor to swing and affecting the measurement result.

Preferably, the temperature measuring device in the above-mentioned device is a temperature display instrument, and the temperature display instrument includes an electrically connected probe 10 and a display 7, and the probe 10 is vertically arranged on the heat collection cover 11 and extends into the heat collection cover 11 , the monitor 7 is arranged in the middle of the upper bracket 8 . Those skilled in the art can understand that, in order to record the internal temperature of the heat collecting cover 11 at different times in this device, the temperature measuring device is preferably a temperature display instrument including a probe 10 and a display 7, and no manual recording is required. You can directly view it, which is more convenient to use.

Preferably, a positioning ring 3 is provided on the lower outer wall of the column 2 in the above device. Those skilled in the art can understand that, in order to prevent the sliding bracket from falling and directly hitting the cuvette 13 to damage its components when adjusting the height of the sliding bracket, the device is preferably provided with a positioning ring 3 at the bottom of the column 2 so that the sliding bracket can pass through when it slides down. Locating ring 3 can prevent from continuing to fall. Especially when the locking part 4 fails, it can effectively protect the device components.

Preferably, the liquid storage cup 14 in the above device is provided with a scale line, the valve 15 below the liquid storage cup 14 is a solenoid valve, and the solenoid valve is electrically connected to the agitator 9 motor. Those skilled in the art can understand that, in order to accurately measure the amount of water added to the reaction, the device is preferably provided with a scale line on the liquid storage cup 14 for easy measurement. In order to further make the data more accurate, this device also preferably sets the valve 15 at the lower end of the liquid storage cup 14 as a solenoid valve, and further electrically connects the solenoid valve with the agitator 9 motors, so that once the solenoid valve works, the motor of the agitator 9 It can also be started quickly, making the test data more accurate.

Preferably, the above-mentioned device further includes an exhaust pipe 12 , the exhaust pipe 12 is arranged obliquely, and its lower end is connected to the outer wall of the heat collecting cover 11 and communicated with the inside of the heat collecting cover 11 . Those skilled in the art can understand that, because the combination of quicklime and water is an exothermic reaction, part of the lime dust and water vapor will overflow, which may cause scald workers. This device just takes this problem into consideration, so preferably an exhaust pipe 12 is arranged obliquely on the heat collecting cover 11 for discharging excessive dust and water vapor. Simultaneously because the setting of exhaust pipe 12 can reduce or avoid scalding staff, make this device use safer.

Preferably, a sealing ring 5 is provided on the lower part of the inner wall of the heat collecting cover 11 in the above device, and the inner wall of the sealing ring 5 is a tapered structure. Those skilled in the art can understand that, since the heat collecting cover 11 can cover the cuvette 13 when the sliding bracket slides down, but there will be a gap between the inner wall of the heat collecting cover 11 and the outer wall of the cuvette 13, causing heat loss, which will affect The accuracy of the experimental data. In this device, a sealing ring 5 is preferably provided on the lower inner wall of the heat collecting cover 11 so that the gap between the heat collecting cover 11 and the cuvette 13 is effectively sealed. At the same time, in order to quickly seal the gap when the heat collecting cover 11 moves downward, the device further preferably has a tapered structure on the inner wall of the sealing ring 5, that is, a structure with a small top and a large bottom, so that when the cuvette 13 is inserted into the cuvette 13, the big end first The cuvette 13 is inserted, and the small end can be more closely attached to the outer wall of the cuvette 13 for better sealing.

Claims (10)

1. quicklime slaking rate device for fast detecting, it is characterised in that：Including pedestal (1), column (2), liquid storing cup (14), slide Dynamic holder, temperature measuring equipment, collector mat (11), reaction cup (13), reaction cup fixing piece and locking member (4)；The column (2) is vertical Setting, and be vertically set on pedestal (1), sliding support is set on the outside of column (2), and can be slided up and down along upright bar, is locked Sliding support can be fixed on column (2) by part (4)；Reaction cup (13) is securable to by reaction cup fixing piece on pedestal (1), Collector mat (11) and liquid storing cup (14) are connect with sliding support, when sliding support glides, may make collector mat (11) that will react Cup (13) covers；Liquid storing cup (14) lower end is provided with the outlet tube (16) with valve (15), and thermal-arrest is stretched into outlet tube (16) lower end It covers in (11)；Temperature measuring equipment can measure the temperature of collector mat (11) inner space.

2. quicklime slaking rate device for fast detecting as described in claim 1, it is characterised in that：Further include blender (9), The blender (9) connect with sliding support, and the agitating shaft of blender (9) passes through collector mat (11), and agitating shaft lower end is stirred Head is mixed to extend in collector mat (11).

3. quicklime slaking rate device for fast detecting as claimed in claim 2, it is characterised in that：Sliding support includes casing (6), upper bracket (8) and lower bracket (17), casing (6) are set in the outside of column (2), and can slide up and down；Upper bracket (8) and Lower bracket (17) is arranged in parallel and one end is respectively perpendicular to casing (6) axis, and is connect with casing (6) outer wall, blender (9) Driving motor is connected with upper bracket (8) far from casing (6) end, and collector mat (11) is connected with lower bracket (17) far from casing (6) end, It is connect in the middle part of liquid storing cup (14) and lower bracket (17).

4. quicklime slaking rate device for fast detecting as claimed in claim 3, it is characterised in that：The locking member (4) is Tie down screw, the threaded hole that axis direction is provided with adaptation is fallen on casing (6) outer wall, and tie down screw connects with casing (6) screw thread It connects.

5. the quicklime slaking rate device for fast detecting as described in the arbitrary claim of Claims 1-4, it is characterised in that： The reaction cup fixing piece includes at least two bolts (131) of the setting in reaction cup (13) lower end, and adaptation is arranged on pedestal (1) Jack (111), make reaction cup (13) can be with pedestal (1) grafting.

6. quicklime slaking rate device for fast detecting as described in claim 1, it is characterised in that：The temperature measuring equipment is temperature Display instrument is spent, the temperature indicator includes the probe (10) and display (7) of electrical connection, and probe (10) is vertically arranged in thermal-arrest It on cover (11) and stretches into collector mat (11), display (7) is arranged at the middle part of upper bracket (8).

7. quicklime slaking rate device for fast detecting as described in claim 1, it is characterised in that：Outside the lower part of column (2) Locating ring (3) is provided on wall.

8. quicklime slaking rate device for fast detecting as described in claim 1, it is characterised in that：Liquid storing cup is arranged on (14) There is graduation mark, the valve (15) below liquid storing cup (14) is solenoid valve, and solenoid valve is electrically connected with blender (9) motor.

9. quicklime slaking rate device for fast detecting as described in claim 1, it is characterised in that：It further include exhaust pipe (12), the exhaust pipe (12) is obliquely installed, and lower end is connect with collector mat (11) outer wall, and is connected to collector mat (11) inside.

10. quicklime slaking rate device for fast detecting as claimed in claim 9, it is characterised in that：Collector mat (11) inner wall Lower part is provided with sealing ring (5), and sealing ring (5) inner wall is pyramidal structure.