CN203971237U - A kind of inline inductor - Google Patents
A kind of inline inductor Download PDFInfo
- Publication number
- CN203971237U CN203971237U CN201420252453.9U CN201420252453U CN203971237U CN 203971237 U CN203971237 U CN 203971237U CN 201420252453 U CN201420252453 U CN 201420252453U CN 203971237 U CN203971237 U CN 203971237U
- Authority
- CN
- China
- Prior art keywords
- venturi
- anemostat
- passage
- diameter
- nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010276 construction Methods 0.000 claims abstract description 9
- 210000000664 rectum Anatomy 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 19
- 239000006260 foam Substances 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000006210 lotion Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Nozzles (AREA)
Abstract
The utility model relates to a kind of fire-fighting fire-extinguishing equipment, especially a kind of inline inductor, comprise venturi body, be arranged on the first tube tooth interface of described venturi body porch and the second tube tooth interface that is arranged on described venturi body exit, described venturi body is disposed with nozzle construction section from its porch to exit, mixing section and diffuser, on described diffuser, be formed with venturi anemostat passage, in described nozzle construction section, Venturi nozzle is installed, between described Venturi nozzle and described venturi anemostat passage, be formed with and mix cavity, the outlet section of described venturi anemostat passage becomes horn-like, its opening angle is less than or equal to 12 °, outlet diameter is more than or equal to 0.95 times of waterway pipe latus rectum.By said structure, make venturi anemostat passage have enough streamline length, effectively reduce the pressure loss, mixed liquor can also further mix at venturi anemostat outlet section simultaneously, makes to mix more even.
Description
Technical field
The utility model relates to a kind of fire-fighting fire-extinguishing equipment, especially a kind of inline inductor.
Background technology
Froth fire extinguishing system has safe and reliable, economical and practical, fire-fighting efficiency high, especially has more outstanding superiority to the category-B fire of putting out a fire to save life and property, and is the basic mode of putting out a fire to save life and property of current home and abroad oil fire.Foam proportioner is froth fire extinguishing system " nerve center ", and the quality of its service behaviour is directly connected to the success or failure that froth fire extinguishing system fights a fire.Foam proportioner in the market mainly contains the types such as pressure air-foam proportioner, circular pump type foam proportioner, in-line foam concentrate inducer, the most of structure of these foam proportioners is all comparatively complicated, the pressure loss of proportioner is too large, is difficult to reach the standard-required that the pressure loss is less than 35%.
Chinese utility model patent ZL201220158957.5 discloses a kind of inline inductor, comprise blender body, in its cavity, anemostat is installed, anemostat internal sleeve is equipped with nozzle, the entrance of nozzle is provided with dividing plate, by said structure, the pressure loss of proportioner is controlled in critical field.But the hybrid chamber limited space of this proportioner; be difficult to guarantee the mixed effect of mixed liquor; impact fire extinguishing effect; in addition; although rely on dividing plate can reach the effect that reduces the pressure loss; but can reduce the mixed effect of foam, and the shown gauge pressure of setting pressure table is not the actual pressure of pipeline after dividing plate.
Utility model content
The purpose of this utility model is to provide a kind of pressure loss less and mix more uniform inline inductor.
To achieve these goals, the utility model adopts following technical scheme:
A kind of inline inductor, comprise venturi body, be arranged on the first tube tooth interface of described venturi body porch and the second tube tooth interface that is arranged on described venturi body exit, described venturi body is disposed with nozzle construction section from its porch to exit, mixing section and diffuser, on described diffuser, be formed with venturi anemostat passage, in described nozzle construction section, Venturi nozzle is installed, in described mixing section between described Venturi nozzle and described venturi anemostat passage, be formed with and mix cavity, described mixing cavity is communicated with foam solution or space outerpace by liquid sucking device, the outlet section of described venturi anemostat passage becomes horn-like, its opening angle is less than or equal to 12 °, outlet diameter is more than or equal to 0.95 times of waterway pipe latus rectum being connected with described inline inductor.
Adopt technique scheme, by outlet section opening angle and the outlet diameter of restriction venturi diffusion pipeline, make venturi anemostat passage have enough streamline length, effectively reduce the pressure loss, mixed liquor can also further mix at venturi anemostat outlet section simultaneously, makes to mix more even.In addition, such scheme is simple in structure, and all parts all can be used bar processing, and cost is lower.
As further improvement of the utility model, described liquid sucking device comprises inlet check-valves.The mixed liquor that can prevent from mixing in cavity by inlet check-valves is back in foam solution or space outerpace by liquid sucking device.
As of the present utility model, further improve, described inlet check-valves comprises upper valve body and lower valve body, in described upper valve body, be provided with inlet opening, the diameter of the leading portion of described inlet opening is less than the diameter of its back segment, described lower valve body is arranged on the back segment of described inlet opening, its inside is provided with fluid hole, between described fluid hole and the leading portion of described inlet opening, be also provided with ball, the diameter of described ball is greater than the diameter of the leading portion of described inlet opening, be less than the diameter of the back segment of described inlet opening, the diameter of described fluid hole is less than the diameter of described ball, and its porch is also provided with auxiliary liquid outlet.By above-mentioned improvement, make the structure of inlet check-valves simpler.
As of the present utility model, further improve, the entrance of described liquid sucking device is provided with restriction orifice again.By restriction orifice, can effectively adjust the mixed proportion of mixed liquor, meet the demand of different environments for use.
As another kind of improvement of the present utility model, the entrance funnel of described Venturi nozzle, its opening angle is between 90 °-120 °, and inlet diameter is more than or equal to 0.85 times of described waterway pipe latus rectum.By above-mentioned improvement, the suction that Venturi effect is produced is stronger, and suction ability at night and mixed effect can get a promotion.
As of the present utility model a kind of preferred, the exit length of described Venturi nozzle equates with the length at entry of described venturi anemostat passage.
As of the present utility model a kind of preferably, the distance between described Venturi nozzle and described venturi anemostat passage is 0.5-0.6 times of length at entry of described venturi anemostat passage.
As of the present utility model a kind of preferably, the entrance surface area of described venturi anemostat passage be described Venturi nozzle outlet section surface area 1.035-1.05 doubly.
figure of description
Fig. 1 is the structural representation of the utility model inline inductor;
Fig. 2 is that the inlet of the utility model inline inductor returns the only structural representation of valve.
In figure, indicate corresponding as follows:
The porch of A-venturi body; The exit of B-venturi body;
The porch of C-washing lotion device; 1-venturi body;
11-nozzle construction section; 12-mixing section;
13-diffuser; 131-venturi anemostat passage;
131a-outlet section; 131b-entrance;
132-streamline; 2-the first tube tooth interface;
3-the second tube tooth interface; 4-nozzle;
41-entrance; 42-outlet section;
5-mixing cavity; 6-liquid sucking device;
61-inlet opening check-valves; 62-upper valve body;
621-inlet opening; 622-leading portion;
623-back segment; Valve body under 63-;
631-fluid hole; 632-auxiliary liquid outlet;
64-ball; 65-restriction orifice;
651-metering hole.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 1, the inline inductor of the present embodiment, comprise venturi body 1, the second tube tooth interface 3 that is arranged on the first tube tooth interface 2 of venturi body 1 porch A and is arranged on venturi body 1 exit B, the first tube tooth interface 2 is connected with water supply installation, the second tube tooth interface 3 is connected with spraying device, it is circular that venturi body 1 is preferably, can adopt bar to process, venturi body 1 is disposed with nozzle construction section 11 from its porch to exit, mixing section 12 and diffuser 13, on diffuser 13, be formed with venturi anemostat passage 131, Venturi nozzle 4 is installed in nozzle construction section 11, in mixing section 12 between Venturi nozzle 4 and venturi anemostat passage 131, be formed with and mix cavity 5, the mounting means of Venturi nozzle 4 can be conventional mounting means, mixing cavity 5 is communicated with foam solution or space outerpace by liquid sucking device 6.It is horn-like that the outlet section 131a of venturi anemostat passage 131 becomes, its opening angle is less than or equal to 12 °, its outlet diameter is more than or equal to 0.95 times of waterway pipe latus rectum being connected with whole inline inductor, and the object arranging is like this in order to make the streamline 132 of the outlet section 131a of venturi anemostat passage 131 have enough length.Entrance 41 funnels of Venturi nozzle 4, its opening angle is between 90 °-120 °, and its inlet diameter is more than or equal to 0.85 times of above-mentioned waterway pipe latus rectum.The cross section of the outlet section 42 of Venturi nozzle 4 is circular, the entrance 131b of its length and venturi anemostat passage 131 is equal in length, distance between Venturi nozzle 4 and venturi anemostat passage 131 be venturi anemostat passage 131 entrance 131b length 0.5-0.6 doubly, mix cavity 5 the width at narrow place be venturi anemostat passage 131 entrance 131b length 0.5-0.6 doubly.The surface area of the entrance 131b of venturi anemostat passage 131 be Venturi nozzle 4 outlet section 42 surface area 1.035-1.05 doubly.
Liquid sucking device 6 comprises inlet check-valves 61, inlet opening check-valves 61 is positioned at the top of venturi body 1, as shown in Figure 2, inlet check-valves 61 comprises upper valve body 62 and lower valve body 63, in upper valve body, be provided with inlet opening 621, the diameter of the leading portion 622 of inlet opening 621 is less than the diameter of its back segment 623, lower valve body 63 is arranged on the back segment 623 of inlet opening 621, its inside is provided with fluid hole 631, between the leading portion 622 of fluid hole 631 and inlet opening 621, be also provided with ball 64, the diameter of ball 64 is greater than the diameter of the leading portion 622 of inlet opening 621, be less than the diameter of the back segment 623 of inlet opening 621, the diameter of fluid hole 631 is less than the diameter of ball 64, and its porch is also provided with auxiliary liquid outlet 632.The porch C of liquid sucking device 6 is provided with restriction orifice 65, its installation can be conventional mounting means, detachable mounting means preferably, on restriction orifice 65, be provided with metering hole 651, the size of metering hole 651 can arrange according to actual needs, the restriction orifice 65 that a plurality of metering holes 651 vary in size also can be set, and that then according to reality, uses need to be changed by user.It should be noted that, restriction orifice 65 is not to install, and applicant records by test, and while restriction orifice 65 not being installed, the mixed proportion of mixed liquor depends on the minimum diameter of the runner of washing lotion device, generally all can be bigger than normal.At the present embodiment, gather, while restriction orifice 65 not being installed, in mixed liquor, the mixed proportion of foam solution and water is 6%, installs after restriction orifice 65, and in mixed liquor, the mixed proportion of foam solution and water is 3%.
The inline inductor course of work of the present embodiment is as follows: connect after inline inductor, be fixed on fixed mount, opening pressure water is supplied to inline inductor, press water flows into venturi body 1 by the porch A of venturi body 1, press water is injected into venturi anemostat passage 131 through Venturi nozzle 4, Venturi effect due to Venturi nozzle 4 and 131 generations of venturi anemostat passage, press water flow velocity increases, the fluid pressure of press water reduces simultaneously, mixing the interior formation negative pressuren zone of cavity 5 or region of no pressure, thereby generation suction, foam solution is mixed from the porch C suction mixing cavity 5 of liquid sucking device 6, then from the exit B of venturi diffusion body, discharge, because the streamline 132 of the outlet section 131a of venturi anemostat passage 131 has enough length, mixed liquor can further mix herein, and the pressure loss is controlled in a less scope.
As shown in Figure 2, foam solution sucks while mixing cavity 5 from the porch C of washing lotion device, need first pass through restriction orifice 65, by the metering hole 651 on restriction orifice 65, limit its flow, then by the inlet opening 621 of upper valve body 62, flow to the fluid hole 631 of lower valve body 63, now, ball 64 is under the impact of foam solution, move downward the entrance of the fluid hole 631 of blocking lower valve body 63, foam solution flows into fluid hole 631 through auxiliary liquid outlet 632, finally enters and mixes cavity 5.When hydraulic pressure causes mixing liquid backflow in cavity 5 extremely to fluid hole 631, liquid can impact ball 64 when flowing to inlet opening 621, and it is moved upward, and blocks the outlet of inlet opening 621, interrupts reflux course.
By reference to the accompanying drawings the utility model has been done to detailed explanation above; but embodiment of the present utility model is not limited in above-mentioned embodiment; those skilled in the art can make various distortion to the utility model according to prior art; as an arm with Venturi nozzle etc. is set on main pipeline, these all belong to protection domain of the present utility model.
Claims (8)
1. an inline inductor, comprise venturi body, be arranged on the first tube tooth interface of described venturi body porch and the second tube tooth interface that is arranged on described venturi body exit, it is characterized in that, described venturi body is disposed with nozzle construction section from its porch to exit, mixing section and diffuser, on described diffuser, be formed with venturi anemostat passage, in described nozzle construction section, Venturi nozzle is installed, in described mixing section between described Venturi nozzle and described venturi anemostat passage, be formed with and mix cavity, described mixing cavity is communicated with foam solution or space outerpace by liquid sucking device, the outlet section of described venturi anemostat passage becomes horn-like, its opening angle is less than or equal to 12 °, outlet diameter is more than or equal to 0.95 times of waterway pipe latus rectum being connected with described inline inductor.
2. inline inductor as claimed in claim 1, is characterized in that, described liquid sucking device comprises inlet check-valves.
3. inline inductor as claimed in claim 2, it is characterized in that, described inlet check-valves comprises upper valve body and lower valve body, in described upper valve body, be provided with inlet opening, the diameter of the leading portion of described inlet opening is less than the diameter of its back segment, described lower valve body is arranged on the back segment of described inlet opening, its inside is provided with fluid hole, between described fluid hole and the leading portion of described inlet opening, be also provided with ball, the diameter of described ball is greater than the diameter of the leading portion of described inlet opening, be less than the diameter of the back segment of described inlet opening, the diameter of described fluid hole is less than the diameter of described ball, and its porch is also provided with auxiliary liquid outlet.
4. the inline inductor as described in arbitrary claim in claim 1-3, is characterized in that, the entrance of described liquid sucking device is provided with restriction orifice.
5. the inline inductor as described in arbitrary claim in claim 1-3, it is characterized in that, the entrance funnel of described Venturi nozzle, its opening angle is between 90 °-120 °, and inlet diameter is more than or equal to 0.85 times of described waterway pipe latus rectum.
6. the inline inductor as described in arbitrary claim in claim 1-3, is characterized in that, the exit length of described Venturi nozzle equates with the length at entry of described venturi anemostat passage.
7. the inline inductor as described in arbitrary claim in claim 1-3, is characterized in that, the distance between described Venturi nozzle and described venturi anemostat passage be described venturi anemostat passage length at entry 0.5-0.6 doubly.
8. the inline inductor as described in arbitrary claim in claim 1-3, is characterized in that, the entrance surface area of described venturi anemostat passage be described Venturi nozzle outlet section surface area 1.035-1.05 doubly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420252453.9U CN203971237U (en) | 2014-05-16 | 2014-05-16 | A kind of inline inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420252453.9U CN203971237U (en) | 2014-05-16 | 2014-05-16 | A kind of inline inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203971237U true CN203971237U (en) | 2014-12-03 |
Family
ID=51968707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420252453.9U Expired - Fee Related CN203971237U (en) | 2014-05-16 | 2014-05-16 | A kind of inline inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203971237U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109908712A (en) * | 2019-04-24 | 2019-06-21 | 攀钢集团钛业有限责任公司 | Gas-liquid mixer for titanium tetrachloride absorption |
| CN112619005A (en) * | 2020-12-24 | 2021-04-09 | 南通理工学院 | Spray gun for fire fighting |
| WO2022169464A1 (en) * | 2021-02-08 | 2022-08-11 | They | Fire suppression device and system |
-
2014
- 2014-05-16 CN CN201420252453.9U patent/CN203971237U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109908712A (en) * | 2019-04-24 | 2019-06-21 | 攀钢集团钛业有限责任公司 | Gas-liquid mixer for titanium tetrachloride absorption |
| CN109908712B (en) * | 2019-04-24 | 2024-04-02 | 攀钢集团钛业有限责任公司 | Gas-liquid mixer for titanium tetrachloride absorption |
| CN112619005A (en) * | 2020-12-24 | 2021-04-09 | 南通理工学院 | Spray gun for fire fighting |
| CN112619005B (en) * | 2020-12-24 | 2021-10-22 | 南通理工学院 | Spray gun for fire fighting |
| WO2022169464A1 (en) * | 2021-02-08 | 2022-08-11 | They | Fire suppression device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160826 Address after: 362300 Quanzhou City, Fujian Province, the success of science and Technology Industrial Zone, Nanan Patentee after: Fujian Tianguang Fire-fighting Incorporated Company Address before: 362300 Nanan Quanzhou Success Science and Technology Industrial Zone, Fujian Patentee before: Tianguang Fire Fighting Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20210516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |