CN201565020U - Digital definite-proportion foam-mixing equipment - Google Patents
Digital definite-proportion foam-mixing equipment Download PDFInfo
- Publication number
- CN201565020U CN201565020U CN2009202652220U CN200920265222U CN201565020U CN 201565020 U CN201565020 U CN 201565020U CN 2009202652220 U CN2009202652220 U CN 2009202652220U CN 200920265222 U CN200920265222 U CN 200920265222U CN 201565020 U CN201565020 U CN 201565020U
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- foam
- foaming agent
- flowmeter
- fixed
- foams mix
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Abstract
The utility model disclose digital definite-proportion foam-mixing equipment, which includes a foam agent tank, a foam agent pump, a speed-regulation prime motor, a first check valve, a foam-agent flow meter, a second check valve, a mixer, a mixed-liquor flow meter and a digital regulation instrument, wherein the mixer adopts a three-way structure, and the foam agent tank, the foam agent pump, the first check valve, the foam-agent flow meter are connected to a foam agent connecting end of the mixer; a water inlet end of the mixer adopts a pipeline to connect a second check valve to a pressure water resource, a foam-mixture-liquid output end pipeline of the mixer is connected with a mixed-liquor flow meter; a speed-regulation prime motor drives the foam agent pump through mechanical link; and the digital regulation instrument acquires real-time flow signals of the mixed-liquor flow meter as well as real-time flow signals of the foam-agent flow meter, outputs regulation signals and controls the speed-regulation prime motor. The digital definite-proportion foam-mixing equipment can realize the foam mixing precisely by setting proportions in digital manner according to requirements.
Description
Technical field
The utility model belongs to the fire prevention field, and particularly a kind of numeral is fixed than foams mix equipment.
Background technology
Froth fire extinguishing system is categorized as by coefficient of foaming:
The low expansion foam fire extinguishing system is the fire extinguishing system that the general first-selection in the world today is used to produce, process, store, transport and use first, second, Class C liquid place, and becomes the fire-fighting that first, second, Class C liquid oil storage tank field and petrochemical plant district be easy to places such as leak already and mainly equip.
High multiple, medium expansion foam fire extinguishing system are put out category-A and category-B fire in the mode of total flooding and covering, can control the spill fire of liquefied petroleum gas, liquefied natural gas effectively.
High multiple, medium expansion foam fire extinguishing system also are mainly used in places such as the mine, large aircraft storehouse, garage, oil cellar, underground engineering, warehouse, boats and ships, industrial premises, oil depot oil storage tank in colliery.
Foam proportioning unit is that water is mixed in proportion with foam solution, and produces the equipment that (generation) equipment and spraying equipment provide foam mixing liquid to foam.
The foam proportioning unit of Shi Yonging now, the less or proportion mixer of working flow scope measures inaccurate defective.Can not make foam produce optimum state, obtain best effectively fire extinguishing operation.
Chinese patent 200820051987.X discloses a kind of numeral to be decided than foams mix device, and it adopts measuring pump to measure foam solution, and the cost height is difficult to promote the use of.
It is fixed than foams mix system that Chinese patent 200820202007.1 discloses a kind of numeral, it adopts digital regulated instrument to control motor-driven valve and realizes the digital ratio of deciding, since the reaction speed problem of motor-driven valve, life period hysteresis problem, although it is cost is lower, fixed slightly more inadequate than precision.
The utility model content
The utility model at foam proportioning unit in the prior art greatly the working flow scope solve the mixed proportion of accurately regulating foam and can not be at any time the technical problem of the mixed proportion of quick adjustment foam as required, provide a kind of numeral fixed than foams mix equipment.
A kind of numeral of the present utility model is fixed than foams mix equipment, it is characterized in that comprising foaming agent jar, foaming agent pump, speed governing prime mover, first check-valves, foaming agent flowmeter, second check-valves, blender, mixed liquor flowmeter and digital regulated instrument; Blender is a three-port structure, and three ends are respectively foaming agent incoming end, water inlet end and foam mixed liquor output; Described foaming agent jar, foaming agent pump, first check-valves, foaming agent flowmeter are connected to the foaming agent incoming end of blender successively with pipeline; The water inlet end of blender connects second check-valves to pressure water source with pipeline, and the foam mixing liquid output pipeline of blender connects the mixed liquor flowmeter; Speed governing prime mover drives the foaming agent pump by mechanical attachment; Digital regulated instrument obtains the real-time traffic signal of mixed liquor flowmeter and the real-time traffic signal of foaming agent flowmeter is controlled speed governing prime mover in order to output regulation signal.
Described foaming agent jar is general normal pressure foaming agent hold-up vessel.
Described first check-valves, second check-valves are general pipe line check valve.
Described foaming agent pump is general vane pump or displacement pump.
Described prime mover is general motor, internal combustion engine, the hydraulic turbine, hydraulic motor etc.
Described blender is general threeway foam mixer.
Described foaming agent flowmeter, mixed liquor flow are counted general differential pressure type, electromagnetic type, turbine type, ultrasonic type flowmeter.
Described digital regulated instrument is the general digital adjusting apparatus.
Compared with prior art, the utlity model has following advantage:
1, but numeral described in the utility model is fixed than extensive use of foams mix equipment and the occasion that does not possess power supply (or power failure);
2, at the bottom of fixed, production simpler of numeral described in the utility model and the maintenance cost, be easy to promote than foams mix equipment project organization, renewable prior art;
3, numeral described in the utility model is fixed can regulate injection pressure according to the operating pressure of press water automatically than foams mix equipment.
4, fixed to solve the working flow scope than foams mix equipment little for numeral described in the utility model, guarantees extinguishing property in the working range of big flow;
5, the fixed mixed proportion that can accurately regulate foam than foams mix equipment of numeral described in the utility model, the foam of generation obtains optimum state, improves fire extinguishing effectiveness greatly;
6, numeral described in the utility model is fixed can be applicable to any fire foam than foams mix equipment, and can carry out ratio as required fast according to the character of fire foam at any time and regulate;
7, numeral described in the utility model is fixed can realize that than foams mix equipment press water really separates with foam solution, and what using, what just mix, and can not produce waste;
8, numeral described in the utility model is fixed can adopt the gerotor type foam liquid tank than foams mix equipment, low cost of manufacture, long service life;
9, numeral described in the utility model is fixed can overturn in the past water sprinkler system and the Design Mode that independently is provided with separately of foaming system than foams mix equipment, and two systems are united two into one, and system is simple and reliable, reduces investment outlay;
10, numeral described in the utility model is fixed adds the compressed-air foam that compressed air just can produce accurate mixed proportion than foams mix equipment;
11, numeral described in the utility model is fixed can constantly add foam solution than foams mix equipment application normal pressure foam liquid tank in fire extinguishing procedure, attack time can constantly be prolonged, and has improved ability and reliability that fire extinguishing is combated a natural disaster greatly;
12, the fixed important fire-fighting equipments such as petrochemical enterprise, large-scale oil depot, oil jetty, hangar and offshore drilling platform that are applicable to than foams mix equipment of numeral described in the utility model;
13, the fixed foam firefighting equipment such as fixed, portable, boats and ships that can be applied to than foams mix equipment of numeral described in the utility model, application prospect is very extensive.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
As shown in Figure 1, the utility model comprises foaming agent jar 1, foaming agent pump 2, speed governing prime mover 3, first check-valves 4, foaming agent flowmeter 5, second check-valves 6, blender 7, mixed liquor flowmeter 8 and digital regulated instrument 9.Described foaming agent jar 1, foaming agent pump 2, first check-valves 4, foaming agent flowmeter 5 are connected to the foaming agent incoming end of blender 7 successively with pipeline.Blender 7 is a three-port structure, the water inlet end of blender 7 connects second check-valves 6 to pressure water source with pipeline, the foam mixing liquid output pipeline of blender 7 connects the input of mixed liquor flowmeter 8, and mixed liquor flowmeter 8 output pipelines are connected to the foam mixing liquid pipe network.Speed governing prime mover 3 drives foaming agent pump 2 by mechanical attachment.Digital regulated instrument 9 connects real-time traffic signal that mixed liquor flowmeter 8 obtains foam mixing liquid, connects foaming agent flowmeter 6 and obtain real-time foaming agent flow feedback signal, connect speed governing prime mover 3 output speed conditioning signals with circuit respectively.
Operation principle of the present invention is: as shown in Figure 1, the real-time usage that mixed liquor flowmeter 8 measures foam mixing liquid is Q[Q=Q
1+ Q
2(l/min)], simultaneously the Q flow signal is sent to digital regulated instrument 9.Digital regulated instrument 9 is set foams mix ratio X[X=Q according to demand
1/ Q (%)], the consumption that digital regulated instrument 9 calculates foam solution immediately is Q
1((Q
1=QX), simultaneously with Q
1Parameter is output as the tach signal of speed governing prime mover 3 after the P.I.D computing.Foaming agent flowmeter 5 measures the real-time traffic feedback signal of foaming agent and is sent to digital regulated instrument 9 simultaneously, and digital regulated instrument 9 contrasts and corresponding adjustment output parameter immediately, regulates the rotating speed of speed governing prime mover 3, thereby obtains accurate foams mix ratio X.
Claims (8)
1. a numeral is fixed than foams mix equipment, it is characterized in that comprising foaming agent jar (1), foaming agent pump (2), speed governing prime mover (3), first check-valves (4), foaming agent flowmeter (5), second check-valves (6), blender (7), mixed liquor flowmeter (8) and digital regulated instrument (9); Blender (7) is a three-port structure, and three ends are respectively foaming agent incoming end, water inlet end and foam mixed liquor output; Described foaming agent jar (1), foaming agent pump (2), first check-valves (4), foaming agent flowmeter (5) are connected to the foaming agent incoming end of blender (7) successively with pipeline; The water inlet end of blender (7) connects second check-valves (6) to pressure water source with pipeline, and the foam mixing liquid output pipeline of blender (7) connects mixed liquor flowmeter (8); Speed governing prime mover (3) drives foaming agent pump (2) by mechanical attachment; Digital regulated instrument (9) obtains the real-time traffic signal of mixed liquor flowmeter (8) and the real-time traffic signal of foaming agent flowmeter (5) is controlled speed governing prime mover (3) in order to output regulation signal.
2. numeral according to claim 1 is fixed than foams mix equipment, it is characterized in that described foaming agent jar (1) is a normal pressure foaming agent hold-up vessel.
3. numeral according to claim 1 is fixed than foams mix equipment, it is characterized in that described first check-valves (4) and second check-valves (6) are pipe line check valve.
4. numeral according to claim 1 is fixed than foams mix equipment, it is characterized in that described foaming agent pump (2) is vane pump or displacement pump.
5. numeral according to claim 1 is fixed than foams mix equipment, it is characterized in that described speed governing prime mover (3) is motor, internal combustion engine, the hydraulic turbine or hydraulic motor.
6. numeral according to claim 1 is fixed than foams mix equipment, it is characterized in that described blender (7) is the threeway foam mixer.
7. numeral according to claim 1 is fixed than foams mix equipment, it is characterized in that described foaming agent flowmeter (5) is differential pressure type, electromagnetic type, turbine type or ultrasonic type flowmeter.
8. numeral according to claim 1 is fixed than foams mix equipment, it is characterized in that described mixed liquor flowmeter (8) is differential pressure type, electromagnetic type, turbine type or ultrasonic type flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202652220U CN201565020U (en) | 2009-12-15 | 2009-12-15 | Digital definite-proportion foam-mixing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202652220U CN201565020U (en) | 2009-12-15 | 2009-12-15 | Digital definite-proportion foam-mixing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201565020U true CN201565020U (en) | 2010-09-01 |
Family
ID=42657300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202652220U Expired - Fee Related CN201565020U (en) | 2009-12-15 | 2009-12-15 | Digital definite-proportion foam-mixing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201565020U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107050700A (en) * | 2017-05-12 | 2017-08-18 | 广州三业科技有限公司 | Numeral is fixed than big flow mixing arrangement and its test system and adjustment method |
| CN107199640A (en) * | 2016-03-16 | 2017-09-26 | 上海天颢实业有限公司 | A kind of slurry shield slurry modulating device |
| CN109434692A (en) * | 2018-12-12 | 2019-03-08 | 彩虹（合肥）液晶玻璃有限公司 | A kind of coolant liquid make-up system and method |
| CN109989829A (en) * | 2018-01-02 | 2019-07-09 | 通用电气公司 | Foam in situ in turbogenerator generates |
-
2009
- 2009-12-15 CN CN2009202652220U patent/CN201565020U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199640A (en) * | 2016-03-16 | 2017-09-26 | 上海天颢实业有限公司 | A kind of slurry shield slurry modulating device |
| CN107050700A (en) * | 2017-05-12 | 2017-08-18 | 广州三业科技有限公司 | Numeral is fixed than big flow mixing arrangement and its test system and adjustment method |
| CN109989829A (en) * | 2018-01-02 | 2019-07-09 | 通用电气公司 | Foam in situ in turbogenerator generates |
| CN109989829B (en) * | 2018-01-02 | 2022-11-25 | 通用电气公司 | In situ foam generation within turbine engines |
| US11702956B2 (en) | 2018-01-02 | 2023-07-18 | General Electric Company | In situ foam generation within a turbine engine |
| CN109434692A (en) * | 2018-12-12 | 2019-03-08 | 彩虹（合肥）液晶玻璃有限公司 | A kind of coolant liquid make-up system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20100901 Termination date: 20181215 |