CN105107108A - Compound mixed proportional valve - Google Patents
Compound mixed proportional valve Download PDFInfo
- Publication number
- CN105107108A CN105107108A CN201510461128.2A CN201510461128A CN105107108A CN 105107108 A CN105107108 A CN 105107108A CN 201510461128 A CN201510461128 A CN 201510461128A CN 105107108 A CN105107108 A CN 105107108A
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- China
- Prior art keywords
- water inlet
- foaming agent
- pipe
- inlet pipe
- shell
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- 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.)
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Abstract
The invention discloses a compound mixed proportional valve. The compound mixed proportional valve comprises a shell, a water inlet pipe, a foaming agent conveying pipe, a venturi tube, a mixing box and a mixed liquor conveying pipe, wherein the mixing box is fixed in the shell; the venturi tube horizontally traverses the mixing box and is formed by assembling two parts; a fitting surface positioned in the mixing box is formed between the two parts; a water inlet pipe mounting hole, a foaming agent conveying pipe mounting hole and a mixed liquor conveying pipe mounting hole are formed in the shell; the water inlet pipe stretches into the shell through the water inlet pipe mounting hole to be connected with one end of the venturi tube; the other end of the venturi tube is connected with one end of the mixed liquor conveying pipe; the other end of the mixed liquor conveying pipe stretches out of the shell through the mixed liquor conveying pipe mounting hole; the foaming agent conveying pipe stretches into the shell through the foaming agent conveying pipe mounting hole to be connected with the mixing box; a water inlet branch pipe is mounted between the water inlet pipe and the foaming agent conveying pipe. According to the compound mixed proportional valve, a foaming agent and fire-fighting water are enabled to be uniformly and fully mixed, so that the foam expansion rate of foam concentrate of a low-expansion foam gum is guaranteed.
Description
Technical field
The invention belongs to fire distinguisher technical field, particularly relate to a kind of mixed proportion valve.
Background technology
At present, the proportioning valve that domestic and international fire-fighting foams generator uses is all that employing is direct and source water (water that fire pump or fire-fighting system provide) is mixed, this just causes foaming agent and fire water can not be fully mixed, greatly reduce frothing percentage and the coefficient of foaming thereof of blowing agent, thus equal conditions area coverage reduces, increase fire extinguishing cost, waste a large amount of man power and materials.
Therefore, the direction becoming these those skilled in the art and make great efforts how is solved the problems of the technologies described above.
Summary of the invention
Object of the present invention is just to provide a kind of compound mixed proportion valve, can solve above-mentioned the deficiencies in the prior art part completely.
Object of the present invention is realized by following technical proposals:
A kind of compound mixed proportion valve, comprise shell, water inlet pipe, foaming agent carrier pipe, Venturi tube, blending bin and mixed liquor carrier pipe, described blending bin is fixed in shell, Venturi tube level crosses blending bin, this Venturi tube is assembled by two parts, form the mating surface be in blending bin between the two sections, described shell is provided with water inlet pipe installing port, foaming agent carrier pipe installing port and mixed liquor carrier pipe installing port, water inlet pipe is stretched in shell by water inlet pipe installing port and is connected with one end of Venturi tube, the other end of Venturi tube is connected with one end of mixed liquor carrier pipe, the other end of mixed liquor carrier pipe stretches out shell by mixed liquor carrier pipe installing port, foaming agent carrier pipe is stretched in shell by foaming agent carrier pipe installing port and is connected with blending bin, between water inlet pipe and foaming agent carrier pipe, water inlet pipe is installed.
As preferably, described foaming agent carrier pipe is provided with flow control valve.
As preferably, the caliber of described water inlet pipe is less than water inlet pipe caliber and foaming agent carrier pipe caliber.
As preferably, described water inlet pipe comprises the first water inlet pipe and the second water inlet pipe, and the first water inlet pipe is stretched in shell by water inlet pipe installing port and is connected with the first tee pipe coupling, and the second water inlet pipe is installed between the first tee pipe coupling and Venturi tube; Described foaming agent carrier pipe comprises the first foaming agent carrier pipe and the second foaming agent carrier pipe, first foaming agent carrier pipe is stretched in shell by foaming agent carrier pipe installing port and is connected with the second tee pipe coupling, and the second foaming agent carrier pipe is installed between the second tee pipe coupling and blending bin; Water inlet pipe is installed between the first tee pipe coupling and the second tee pipe coupling.
Compared with prior art, beneficial effect of the present invention is: structure is simple, reasonable in design,
1. foaming agent and water is not when flowing by constant flow rate when external pressure fluctuations to utilize venturi principle to ensure.
2. adopt flow control valve to ensure that foaming agent flow can be finely tuned arbitrarily on request, to reach the best foam solution of ratio on request, thus give full play to the best extinguishing effect of foaming agent.
3. can make that foaming agent and fire water are repeatedly mixed dilute, thus foaming agent is evenly mixed fully with fire water, the coefficient of foaming of the foam solution of guarantee low expansion foam rifle, significantly improve to close or reach the higher limit (20 times of blowing ratios) of standard-required.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the present invention is further illustrated.
As depicted in figs. 1 and 2, a kind of compound mixed proportion valve, comprise shell 1, water inlet pipe, foaming agent carrier pipe, Venturi tube 2, blending bin 3, first tee pipe coupling 4, second tee pipe coupling 5, Linear flow control valve 6 and mixed liquor carrier pipe 7, described blending bin 3 is fixed in shell 1, Venturi tube 2 level crosses blending bin 3, this Venturi tube 2 is assembled by two parts, form the mating surface 16 be in blending bin 3 between the two sections, described shell 1 is provided with water inlet pipe installing port 8, foaming agent carrier pipe installing port 9 and mixed liquor carrier pipe installing port 10, described water inlet pipe comprises the first water inlet pipe 11 and the second water inlet pipe 12, first water inlet pipe 11 is stretched in shell 1 by water inlet pipe installing port 8 and is connected with the first tee pipe coupling 4, second water inlet pipe 12 one end is connected with the first tee pipe coupling 4, the other end is connected with one end of Venturi tube 2, the other end of Venturi tube 2 is connected with one end of mixed liquor carrier pipe 7, the other end of mixed liquor carrier pipe 7 stretches out shell 1 by mixed liquor carrier pipe installing port 10.Described foaming agent carrier pipe comprises the first foaming agent carrier pipe 13 and the second foaming agent carrier pipe 14, first foaming agent carrier pipe 13 is stretched in shell 1 by foaming agent carrier pipe installing port 9 and is connected with the second tee pipe coupling 5, and the second foaming agent carrier pipe 14 is installed between the second tee pipe coupling 5 and blending bin 3.Water inlet pipe 15 is installed between the first tee pipe coupling 4 and the second tee pipe coupling 5.First foaming agent carrier pipe 13 installs Linear flow control valve 6.
The caliber of described water inlet pipe 15 is less than water inlet pipe caliber and foaming agent carrier pipe caliber, thus improves the hydraulic pressure of in water inlet pipe 15, strengthens the mixed effect of fire water and foaming agent.
In use, the fire water with pressure enters from water inlet pipe, and foaming agent enters from foaming agent carrier pipe.According to venturi operation principle, there is the fluid of certain pressure by can produce the negative pressure of certain pressure after Venturi tube at back pressure place, the pressure in mixed liquor carrier pipe exit is all the time lower than the pressure of water inlet pipe and foaming agent carrier pipe, foaming agent and fire-fighting current press the direction flowing shown in arrow (as shown in Figure 1 all the time, solid arrow represents fire-fighting current direction, and dotted arrow represents foaming agent flow direction).Fire water flows into foaming agent carrier pipe by water inlet pipe and tentatively mixes with foaming agent, in the process that the foam solution of preliminary mixing flows to blending bin along foaming agent carrier pipe, repeatedly carry out mixed diluting with fire water, after entering blending bin, foam solution by the mating surface in the middle part of Venturi tube to enter in Venturi tube further with fire water mixed diluting, export finally by mixed liquor carrier pipe.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a compound mixed proportion valve, it is characterized in that: comprise shell, water inlet pipe, foaming agent carrier pipe, Venturi tube, blending bin and mixed liquor carrier pipe, described blending bin is fixed in shell, Venturi tube level crosses blending bin, this Venturi tube is assembled by two parts, form the mating surface be in blending bin between the two sections, described shell is provided with water inlet pipe installing port, foaming agent carrier pipe installing port and mixed liquor carrier pipe installing port, water inlet pipe is stretched in shell by water inlet pipe installing port and is connected with one end of Venturi tube, the other end of Venturi tube is connected with one end of mixed liquor carrier pipe, the other end of mixed liquor carrier pipe stretches out shell by mixed liquor carrier pipe installing port, foaming agent carrier pipe is stretched in shell by foaming agent carrier pipe installing port and is connected with blending bin, between water inlet pipe and foaming agent carrier pipe, water inlet pipe is installed.
2. compound mixed proportion valve according to claim 1, is characterized in that: described foaming agent carrier pipe is provided with flow control valve.
3. compound mixed proportion valve according to claim 1, is characterized in that: the caliber of described water inlet pipe is less than water inlet pipe caliber and foaming agent carrier pipe caliber.
4. compound mixed proportion valve according to claim 1, it is characterized in that: described water inlet pipe comprises the first water inlet pipe and the second water inlet pipe, first water inlet pipe is stretched in shell by water inlet pipe installing port and is connected with the first tee pipe coupling, and the second water inlet pipe is installed between the first tee pipe coupling and Venturi tube; Described foaming agent carrier pipe comprises the first foaming agent carrier pipe and the second foaming agent carrier pipe, first foaming agent carrier pipe is stretched in shell by foaming agent carrier pipe installing port and is connected with the second tee pipe coupling, and the second foaming agent carrier pipe is installed between the second tee pipe coupling and blending bin; Water inlet pipe is installed between the first tee pipe coupling and the second tee pipe coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510461128.2A CN105107108B (en) | 2015-07-31 | 2015-07-31 | A kind of compound mixed proportion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510461128.2A CN105107108B (en) | 2015-07-31 | 2015-07-31 | A kind of compound mixed proportion valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105107108A true CN105107108A (en) | 2015-12-02 |
| CN105107108B CN105107108B (en) | 2018-05-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510461128.2A Expired - Fee Related CN105107108B (en) | 2015-07-31 | 2015-07-31 | A kind of compound mixed proportion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105107108B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541936A (en) * | 2019-09-18 | 2019-12-06 | 浙江工业大学 | Mixer with adjustable foam liquid proportion based on venturi tube |
| CN113368722A (en) * | 2021-07-11 | 2021-09-10 | 张思平 | Medical liquid medicine mixing and conveying device |
| CN114811107A (en) * | 2020-12-21 | 2022-07-29 | 合肥通用机械研究院有限公司 | Full-flow three-way regulating valve with double-regulating characteristic |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010104758A (en) * | 2001-10-19 | 2001-11-28 | 이순주 | Form proportioning system of a fire engine |
| CN201120060Y (en) * | 2007-11-21 | 2008-09-24 | 北京中卓时代消防装备科技有限公司 | Electric-controlled automatic foam scale mixer of fire vehicle |
| CN103566506A (en) * | 2013-11-19 | 2014-02-12 | 北京中卓时代消防装备科技有限公司 | Foam proportion mixing system and device of airport fire truck |
| CN103816633A (en) * | 2014-02-26 | 2014-05-28 | 上海博灿信号设备有限公司 | Intelligent proportionally-mixing system for foam |
| CN203886060U (en) * | 2014-04-30 | 2014-10-22 | 天广消防股份有限公司 | Foam proportioner |
| CN203989597U (en) * | 2014-08-21 | 2014-12-10 | 威海广泰空港设备股份有限公司 | Used in fire-fighting electrical control foam ratio automix device |
| CN204815454U (en) * | 2015-07-31 | 2015-12-02 | 成都煦华节能科技有限公司 | Double entry mixing ratio valve |
-
2015
- 2015-07-31 CN CN201510461128.2A patent/CN105107108B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010104758A (en) * | 2001-10-19 | 2001-11-28 | 이순주 | Form proportioning system of a fire engine |
| CN201120060Y (en) * | 2007-11-21 | 2008-09-24 | 北京中卓时代消防装备科技有限公司 | Electric-controlled automatic foam scale mixer of fire vehicle |
| CN103566506A (en) * | 2013-11-19 | 2014-02-12 | 北京中卓时代消防装备科技有限公司 | Foam proportion mixing system and device of airport fire truck |
| CN103816633A (en) * | 2014-02-26 | 2014-05-28 | 上海博灿信号设备有限公司 | Intelligent proportionally-mixing system for foam |
| CN203886060U (en) * | 2014-04-30 | 2014-10-22 | 天广消防股份有限公司 | Foam proportioner |
| CN203989597U (en) * | 2014-08-21 | 2014-12-10 | 威海广泰空港设备股份有限公司 | Used in fire-fighting electrical control foam ratio automix device |
| CN204815454U (en) * | 2015-07-31 | 2015-12-02 | 成都煦华节能科技有限公司 | Double entry mixing ratio valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541936A (en) * | 2019-09-18 | 2019-12-06 | 浙江工业大学 | Mixer with adjustable foam liquid proportion based on venturi tube |
| CN114811107A (en) * | 2020-12-21 | 2022-07-29 | 合肥通用机械研究院有限公司 | Full-flow three-way regulating valve with double-regulating characteristic |
| CN114811107B (en) * | 2020-12-21 | 2023-12-22 | 合肥通用机械研究院有限公司 | Full-flow three-way regulating valve with double regulating characteristics |
| CN113368722A (en) * | 2021-07-11 | 2021-09-10 | 张思平 | Medical liquid medicine mixing and conveying device |
| CN113368722B (en) * | 2021-07-11 | 2022-11-29 | 张勤 | Medical liquid medicine mixing and conveying device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105107108B (en) | 2018-05-22 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180419 Address after: 610066 Jinsheng Road, Jinjiang District Industrial Park, Chengdu, Sichuan 2 Applicant after: CHENGDU XU HUA AOLONG TECHNOLOGY Co.,Ltd. Address before: 610000 Jinsheng Road, Jinjiang District Industrial Park, Chengdu, Sichuan 2 Applicant before: CHENGDU XUHUA ENERGY SAVING TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20210731 |