CN103352715B - Gel prepares sprinkling fire-extinguishing apparatus, its manufacture method and the method for spraying gel - Google Patents
Gel prepares sprinkling fire-extinguishing apparatus, its manufacture method and the method for spraying gel Download PDFInfo
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- CN103352715B CN103352715B CN201310275722.3A CN201310275722A CN103352715B CN 103352715 B CN103352715 B CN 103352715B CN 201310275722 A CN201310275722 A CN 201310275722A CN 103352715 B CN103352715 B CN 103352715B
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Abstract
This application involves a kind of gel to prepare sprinkling fire-extinguishing apparatus, its manufacture method and the method for spraying gel.The gel, which prepares sprinkling fire-extinguishing apparatus, to be included：Solvent tank, accommodates nonpolar dose of solvent wherein；Gel material case, accommodates gel material wherein；Solvent delivery pipe, its one end extend into solvent tank bottom, the other end is stretched into gel material case, and the solvent delivery pipe includes the conveying tube valve for being used to control nonpolar dose of solvent to flow into gel material case from solvent tank at the part between solvent tank and gel material case；And discharge nozzle, its one end extend into gel material bottom portion, the other end is for carrying out gel material and the discharge port of the discharge of the mixture of nonpolar dose of solvent, there is the discharging tube valve for being used for controlling the mixture discharge at the discharge nozzle close to the discharge port, wherein, under static state, convey tube valve and discharging tube valve is closed, and the pressure P1 of the gas in gel material case is more than external pressure, the pressure P2 of the gas in solvent tank>P1.
Description
Technical field
The present invention relates to the technology of prevention coal bed fire, sprinkling fire-extinguishing apparatus is prepared more particularly, to gel, using solidifying
Glue prepares sprinkling fire-extinguishing apparatus and prepares the manufacture method of sprinkling fire-extinguishing apparatus to spray the method for gel and gel.
Background technology
Had the following advantages for coal bed fire using gel smother：Speed is fast, effect is good, and can effectively prevent above-water method
When the explosion of incident water-gas.Current many mines use the automation injecting glue using electricity as power to equip, by powdery macromolecule
Gel Extinguishing Technology directly mixes generation gel with water, and injection coal seam is prevented, put out a fire.But during colliery generation fire generation, it is past
Toward power failure, to bring difficulty using the quick injecting glue fire extinguishing of the equipment.At present still without the automation of sprinkling high-molecular gel
Extinguishing device.
The content of the invention
To solve the above-mentioned problems, the present invention proposes that a kind of gel prepares sprinkling fire-extinguishing apparatus, is prepared and sprayed using gel
Fire-extinguishing apparatus prepares the manufacture method of sprinkling fire-extinguishing apparatus to spray the method for gel and gel.The gel prepares sprinkling fire extinguishing
Equipment and using its injection gel method using gases at high pressure for power by powdery gel material and solvent and into slurries simultaneously
Sprinkling is mixed automatically with water to go out to put out coal bed fire.The technology also has other A classes solid fires relatively good prevention effect
Fruit.
According to an aspect of the present invention, there is provided a kind of gel prepares sprinkling fire-extinguishing apparatus, it is characterised in that including：Solvent
Case, accommodates solvent wherein；Gel material case, accommodates gel material wherein；Solvent delivery pipe, its one end extend into molten
Agent bottom portion, the other end are stretched into gel material case, and the solvent delivery pipe is included between solvent tank and gel material case
Part at be used for control solvent from solvent tank flow into gel material case conveying tube valve；And discharge nozzle, its one end are stretched
Enter to gel material bottom portion, the other end is the discharge port of the discharge of the mixture for carrying out gel material and solvent, by
There is the discharging tube valve for being used for controlling the mixture discharge at the discharge nozzle of the nearly discharge port, wherein, in inactive state
Under, conveying tube valve and discharging tube valve are closed, and the pressure P1 of the gas in gel material case is more than outside
Pressure, the pressure P2 of the gas in solvent tank>P1.
According to another aspect of the present invention, there is provided a kind of to prepare sprinkling fire-extinguishing apparatus using gel to spray the side of gel
Method, the gel, which prepares sprinkling fire-extinguishing apparatus, to be included：Solvent tank, accommodates solvent wherein；Gel material case, accommodates wherein
There is gel material；Solvent delivery pipe, its one end extend into solvent tank bottom, and the other end is stretched into gel material case, the solvent
Delivery pipe includes being used to control solvent to flow into gel original from solvent tank at the part between solvent tank and gel material case
The conveying tube valve of hopper；And discharge nozzle, its one end extend into gel material bottom portion, the other end is for carrying out gel original
Material and the discharge port of the discharge of the mixture of solvent, have at the discharge nozzle close to the discharge port and are used to control the mixing
The discharging tube valve of thing discharge, wherein, under static state, conveying tube valve and discharging tube valve are closed, and
The pressure P1 of gas in gel material case is more than external pressure, the pressure P2 of the gas in solvent tank>It is prepared by P1, the gel
Method comprises the following steps：The discharge port is connected with exterior water pipe；Open it is described conveying tube valve so that solvent because
Pressure differential is mixed from solvent tank by solvent delivery pipe with the gel material in gel material case；Opening the discharging tube valve makes
The gel material is mixed to form gel and be sprayed with the mixture of solvent by the discharge port with the water in water pipe.
According to another aspect of the invention, there is provided a kind of gel prepares the manufacture method of sprinkling fire-extinguishing apparatus, the gel
Preparing sprinkling fire-extinguishing apparatus includes：Solvent tank, accommodates solvent wherein, and the solvent tank includes the filling opening of side disposed thereon
And it is used to control the solvent tank valve that solvent and/or gas are added to solvent tank at the filling opening；Gel material
Case, accommodates gel material wherein, and the gel material case includes the charge door that side disposed thereon is used to add gel material；
Solvent delivery pipe, its one end extend into solvent tank bottom, and the other end is stretched into gel material case, and the solvent delivery pipe includes position
The delivery pipe for being used to control solvent to flow into gel material case from solvent tank at part between solvent tank and gel material case
Valve；And discharge nozzle, its one end extend into gel material bottom portion, the other end is for carrying out the mixed of gel material and solvent
The discharge port of the discharge of compound, has the discharging for being used for controlling the mixture discharge at the discharge nozzle close to the discharge port
Tube valve, wherein, under static state, conveying tube valve and discharging tube valve are closed, and in gel material case
The pressure P1 of gas be more than external pressure, the pressure P2 of the gas in solvent tank>P1, the manufacture method include following step
Suddenly：Close conveying tube valve；Nonpolar dose of solvent is added into solvent tank by filling opening, powdery gel material is added from charge door
Enter gel material case；Gas is added from discharge port to gel material case causes the air pressure P1 in gel material case to be more than extraneous gas
Pressure, and close discharging tube valve；Gas is added into solvent tank from filling opening so that the air pressure P2 in solvent tank>P1, and
Close solvent tank valve.
The prior art is directly to mix powdery gel material with water, is then injected into coal seam fire extinguishing.With prior art phase
Than, the invention has the advantages that：
1. the present invention, can normal use under fire powering-off state using compressed gas as power.
2. apparatus structure is simple, there is explosion-proof, can be made light, being conducive to mine etc. has the environment of explosion danger
Middle instant fire extinguishment.
3. by powder raw material and into slurries, then mixed by Pipeline transport to water pipe with water, avoid solid material with it is straight
Water receiving mixing caking phenomenon, can pre- anti-spray（Note）Mouth is blocked.
4. powdery gel material is separately placed in different hoppers from solvent, only opening valve before use makes the two mixing,
Solvent can be avoided to mix for a long time with powder-material to react, greatly extend the pot-life of material.According to the present invention
Prepared by gel can preserve more than 2 years under the extinguishing chemical room temperature in sprinkling fire-extinguishing apparatus.And conventional organic solvent mixed serum is protected
The time limit is deposited no more than 6 months.
5. gel material pressurizes respectively with solvent hopper, solvent pressure is more than powder-material pressure.Both the two mixing had been ensure that
Solvent sprays into rapidly gel material case when having certain pressure afterwards, and can promote to open conveying tube valve, without manually stirring, two
Kind raw material can be uniformly mixed fast automaticly.
Mixed 6. two kinds of raw material mixed liquors can flow out rapidly after the tube valve that discharges is opened with the water in water pipe, mixed liquor shape
Go out into gel from lance head, play the role of fire extinguishing.Pressed gas be both gel material with the power of solvent slurry outflow and
Its gel mixed with water atomization diverges, and improves extinguishing effect.
Brief description of the drawings
Fig. 1 is that the gel of first embodiment according to the present invention prepares the schematic diagram of sprinkling fire-extinguishing apparatus.
Fig. 2 is the schematic diagram of gel preparation sprinkling fire-extinguishing apparatus according to the second embodiment of the present invention.
Fig. 3 is the signal under the use state of gel preparation sprinkling fire-extinguishing apparatus according to the second embodiment of the present invention
Figure.
Fig. 4 is to prepare sprinkling fire-extinguishing apparatus using gel according to the present invention to prepare the flow chart of the operation of gel.
Fig. 5 is the flow chart of the manufacturing operation of gel preparation sprinkling fire-extinguishing apparatus according to the second embodiment of the present invention.
Embodiment
Now will be according to attached drawing detailed description of the present invention preferred embodiment.Note that the opposite cloth of the component in embodiment
Put and be merely described as example with the shape of device, and be not intended as and limit the scope of the invention to these examples.In addition, phase
As reference numeral similar item is referred in figure with letter, thus, as long as defining one in one drawing, then without for rear
Continuous figure discusses this.
The first embodiment that gel according to the present invention prepares sprinkling fire-extinguishing apparatus is described first.
Fig. 1 is that the gel of first embodiment according to the present invention prepares the schematic diagram of sprinkling fire-extinguishing apparatus.As shown in Figure 1,
Gel according to first embodiment, which prepares sprinkling fire-extinguishing apparatus, to be included：Solvent tank 1, solvent delivery pipe 2 and go out gel material case 3
Expects pipe 4, accommodates solvent (part shown in dotted line in figure) in solvent tank 1.Gel material is accommodated in gel material case 3
（Dash area in figure）, one end of solvent delivery pipe 2 extend into 1 bottom of solvent tank, and the other end is stretched into gel material case 3.Institute
State solvent delivery pipe 2 include at part positioned at solvent tank 1 and gel material case 3 between for controlling solvent from solvent tank 1
Flow into the conveying tube valve 201 of gel material case 3.One end of discharge nozzle 4 extend into gel material bottom portion, the other end be for
Carry out the discharge port 401 of the discharge of the mixture of gel material and solvent.Have at the discharge nozzle 4 close to the discharge port 401
It is useful for controlling the discharging tube valve 402 of the mixture discharge.
Solvent in solvent tank 1 can be nonpolar dose of solvent.Nonpolar dose of solvent used is incombustible material, itself
And extinguishing chemical, such as carbon tetrachloride.Gel material in gel material case can be that can absorb water to form gel（Such as macromolecule
Gel）Packing material（The MCJ12 types produced such as Senlan Science ＆ Trade Co., Ltd., Xi'an City.Polymer colloid extinguishing chemical）Powder
Shape gel material.Gel material used has a stronger water imbibition, and Water absorption is up to more than 100.Alternatively, solvent can be other
As incombustible material and the material of extinguishing chemical.
Under static state, convey tube valve 201 and discharging tube valve 402 is closed, and gel material case 3
In the pressure P1 of gas be more than external pressure, such as atmospheric pressure.Air pressure P2 in solvent tank 1>P1.The gas can be
Inert gas（N2, CO2 etc.）
Preferably, the air pressure P1 in gel material case 3>2MPa（Megapascal (MPa)）.
Solvent and gas in the solvent tank 1 are previously implanted.Gel material and gas in gel material case 3
It is previously implanted.Air pressure P1 in gel material case is to be set to P1 by adding gas from discharge port 401>2 megapascal (MPa)s
, the air pressure P2 in solvent tank 1 is predetermined to be P2>P1, so that during follow-up use, solvent is due to P2>P1 and from solvent
Case 1 flows into gel material case 3.And due to the air pressure P1 in gel material case 3>2 megapascal (MPa)s, and make solvent and gel material
Mixture flowed out from discharge nozzle 401.
Gel according to second embodiment is described below prepares sprinkling fire-extinguishing apparatus.Fig. 2 is according to the present invention second real
The gel for applying example prepares the schematic diagram of sprinkling fire-extinguishing apparatus.
Gel according to second embodiment prepares sprinkling fire-extinguishing apparatus and goes out with gel according to first embodiment preparation sprinkling
The difference of fiery equipment is there is filling opening 101 in the upside of solvent tank 1, and exists at filling opening 101 and be used to control
Nonpolar dose of solvent and/or gas are added the solvent tank valve 102 of solvent tank 1 by system.In addition, in the upside of gel material case 3
There are charge door 301 and for covering the charging lid 302 of charge door 301.In addition remainder and the first of Fig. 1 is real
It is identical to apply the gel preparation sprinkling fire-extinguishing apparatus of example, therefore repeats no more.
In the first embodiment, the solvent in solvent tank 1 and gas and gel material and gas in gel material case 3
It is previously implanted.In a second embodiment, there are charge door 301 for gel material case 3.Gel can be so adjusted when needed
Air pressure in the amount and gel material case 3 of gel material in material box 3.For example, can be in gel material case 3 when initial
It is empty.Charging lid 302 is opened to inject gel material when needed.Hereafter charging lid 302 is closed.Can also be when needed
Gel material is added again.And adjust the air pressure P1 in gel material case 3 by adding gas from discharge port 401.
Similarly, solvent tank 1 is there are filling opening 101, can so adjust when needed the amount of solvent in solvent tank 1 with
And the air pressure P2 in solvent tank 1.For example, can be sky in solvent tank 1 when initial, when needed by valve 102 open so as to from
Filling opening 101 adds solvent, and gas is injected into solvent tank（For example, inert gas（N2, CO2 etc.））So that air pressure P2>
P1.And solvent can be added again when needed, or air pressure therein is changed.
Above-mentioned addition solvent and gel material is described in detail below with reference to Fig. 5 and Fig. 2 and sets the operation of air pressure.
Fig. 5 is the flow chart of the manufacturing operation of gel preparation sprinkling fire-extinguishing apparatus according to the second embodiment of the present invention.
As shown in figure 5, first in step S501, conveying tube valve 201 is closed, so that solvent tank 1 is separated with gel material case 3
Open.Then, in step S502, solvent is added into solvent tank 1 by filling opening 101, and will dispense and coagulate by charge door 301
Collagen material adds gel material case 3.Then, in step S503, open valve 402 and add from discharge port 401 to gel material case 3
Enter gas（For example, inert gas（N2, CO2 etc.））So that the air pressure P1 in gel material case 3>2MPa（Megapascal (MPa)）.In step
In rapid S504, discharging tube valve 402 is closed.In step S505, solvent tank valve 102 is opened with from filling opening 101 to solvent
Gas is added in case 1（For example, inert gas（N2, CO2 etc.））So that the air pressure P2 in solvent tank 1>P1.In step S505,
Close solvent tank valve 102.
The method that sprinkling fire-extinguishing apparatus is prepared by above-mentioned manufacture gel so that solvent and gel material are injected into respectively
In solvent tank 1 and gel material case 3.And separate both by closing conveying tube valve 201.So as in solvent tank
The air pressure P2 of formation is more than the air pressure in gel material case 3, and the air pressure of gel material case 3 is more than external pressure（Preferably,
2 megapascal (MPa)s）.So as to which it is good for follow-up gel spraying by manufacture that the gel prepares sprinkling fire-extinguishing apparatus.
Describe how to prepare the behaviour for spraying fire-extinguishing apparatus to prepare gel and be sprayed using the gel of the present invention below
Make.Fig. 3 is that the gel under use state according to the present invention prepares the schematic diagram for spraying fire-extinguishing apparatus.Fig. 4 is according to the present invention
Prepare sprinkling fire-extinguishing apparatus using gel and prepare the flow chart of the operation of gel.Although with the second embodiment of the present invention
Gel is described exemplified by preparing sprinkling fire-extinguishing apparatus.It will be recognized to those skilled in the art that it can equally use first
The gel of embodiment prepares sprinkling fire-extinguishing apparatus to prepare gel and be sprayed.
It is connected as shown in figure 3, gel prepares sprinkling fire-extinguishing apparatus with fire extinguisher canvas hose 6 to prepare gel to be sprayed.Tool
Body, the fire extinguisher canvas hose 6 includes lance head 601 and gel outlet 602.Fire extinguisher canvas hose 6 is prepared by high-pressure hose 5 and gel
The discharge port 401 of sprinkling fire-extinguishing apparatus connects.The high-pressure hose 5 include the first connector 501 for being connected with discharge port 401 and with
The second connector 502 that fire extinguisher canvas hose 6 connects.
The operation sprayed fire-extinguishing apparatus and carry out booth gel is prepared using gel referring to Fig. 4 descriptions.
In step S401, discharge port 401 is connected with fire extinguisher canvas hose 6 by high-pressure hose 5.It is first in step S402
First open conveying tube valve 201.Since the air pressure P2 in solvent tank 1 is more than the air pressure P1 in gel material case 3, due to pressure
Difference, the solvent in solvent tank 1 enter gel material case 3 to be mixed with gel material by solvent delivery pipe 2.Then in step
In S403, discharging tube valve 402 is opened.Since the air pressure P1 in gel material case is more than external pressure（That is, high-pressure hose 5 with
Air pressure in fire extinguisher canvas hose 6）, so the mixture of gel material and solvent by by high-pressure hose 5 be sent into fire extinguisher canvas hose 6 with
Water in fire extinguisher canvas hose 6 is mixed to form gel.Under the action of high pressure, gel outlet 602 spray of the gel from lance head 601
It is shot out, realizes quick extinguishing function.Gel material and solvent absorption large quantity of moisture, there is good absorbing and cooling temperature function,
And there is stronger adhesive force with coal body, its extinguishing effect is preferable, and will not be quickly anti-with coal under this colloidal materials high temperature
Answer and produce a large amount of explosive gas, therefore the anhydrous gas explosion of fire extinguishing procedure is dangerous, fire extinguishing procedure security is good.
Compared with prior art, the invention has the advantages that.The present invention is using compressed gas as power, in fire powering-off state
Under can normal use.Apparatus structure is simple, has explosion-proof, can be made light, and being conducive to mine etc. has explosion danger
Instant fire extinguishment in environment.By powder raw material and into slurries, then mixed by Pipeline transport to water pipe with water, avoid solid material
, can pre- anti-spray with direct water mixing caking phenomenon（Note）Mouth is blocked；Powdery gel material is separately placed on different material from solvent
In case, only opening valve before use makes the two mixing, and solvent can be avoided to be mixed for a long time with powder-material and reacted, greatly
Extend the pot-life of material.Gel material pressurizes respectively with solvent hopper, and solvent pressure is more than powder-material pressure.Both ensured
Solvent sprays into rapidly gel material case when having certain pressure after the two mixing, and can promote to open conveying tube valve, without
Manually stirring, two kinds of raw materials can be uniformly mixed fast automaticly.Two kinds of raw material mixed liquors can be rapid after the tube valve that discharges is opened
Outflow is mixed with the water in water pipe, and mixed liquor forms gel and goes out from lance head, plays the role of fire extinguishing.Pressed gas is both gel original
Material and the power of solvent slurry outflow, and promote its gel atomization mixed with water and diverge, improve extinguishing effect.
The present invention is not limited in above-mentioned embodiment, essential scope of the those of ordinary skill in the art in the present invention
The variations, modifications, additions or substitutions inside made, should also belong to protection scope of the present invention.
Claims (8)
1. a kind of gel prepares sprinkling fire-extinguishing apparatus, it is characterised in that including：
Solvent tank, accommodates nonpolar dose of solvent wherein；
Gel material case, accommodates gel material wherein；
Solvent delivery pipe, its one end extend into solvent tank bottom, and the other end is stretched into gel material case, the solvent delivery pipe bag
Include is used to control nonpolar dose of solvent to flow into gel original from solvent tank at the part between solvent tank and gel material case
The conveying tube valve of hopper；And
Discharge nozzle, its one end extend into gel material bottom portion, and the other end is for carrying out gel material and nonpolar dose of solvent
Mixture discharge discharge port, have at the discharge nozzle close to the discharge port and be used to control mixture discharge
Discharge tube valve,
Wherein, under static state, convey tube valve and discharging tube valve is closed, and the gas in gel material case
The pressure P1 of body is more than external pressure, the pressure P2 of the gas in solvent tank>P1, the gas in the gel material case and solvent tank
Body is inert gas.
2. gel according to claim 1 prepares sprinkling fire-extinguishing apparatus, it is characterised in that
In a state of use, the discharge port is configured as connecting with exterior water pipe, and the conveying tube valve is configured as locating
In open mode, nonpolar dose of solvent is mixed from solvent tank by solvent delivery pipe with the gel material in gel material case, institute
State discharging tube valve and be configured in open mode, the mixture of the gel material and nonpolar dose of solvent by it is described go out
Material mouth is mixed with the water in water pipe to form gel and be sprayed.
3. gel according to claim 1 prepares sprinkling fire-extinguishing apparatus, it is characterised in that
The solvent tank includes the filling opening of side disposed thereon and is used to control by nonpolar dose at the filling opening
Solvent and/or gas add the solvent tank valve of solvent tank.
4. gel according to claim 1 prepares sprinkling fire-extinguishing apparatus, it is characterised in that
The gel material case includes the charge door that side disposed thereon is used to add gel material.
5. gel according to claim 1 prepares sprinkling fire-extinguishing apparatus, it is characterised in that
Air pressure P1 in the gel material case>2 megapascal (MPa)s.
6. a kind of prepare sprinkling fire-extinguishing apparatus to spray the method for gel using gel, the gel prepares sprinkling fire-extinguishing apparatus bag
Include：Solvent tank, accommodates nonpolar dose of solvent wherein；Gel material case, accommodates gel material wherein；Solvent delivery
Pipe, its one end extend into solvent tank bottom, and the other end is stretched into gel material case, and the solvent delivery pipe includes being located at solvent tank
The delivery pipe for being used to control nonpolar dose of solvent to flow into gel material case from solvent tank at part between gel material case
Valve；And discharge nozzle, its one end extend into gel material bottom portion, the other end is for carrying out gel material and nonpolar dose
The discharge port of the discharge of the mixture of solvent, has at the discharge nozzle close to the discharge port and is used to control the mixture to arrange
The discharging tube valve gone out, wherein, under static state, conveying tube valve and discharging tube valve are closed, and gel
The pressure P1 of gas in material box is more than external pressure, the pressure P2 of the gas in solvent tank>P1,
The method of the injection gel comprises the following steps：
The discharge port is connected with exterior water pipe；
The conveying tube valve is opened so that nonpolar dose of solvent is because pressure differential from solvent tank passes through solvent delivery pipe and gel
Gel material mixing in material box；
Opening the discharging tube valve makes the gel material and the mixture of nonpolar dose of solvent pass through the discharge port and water
Water in pipe is mixed to form gel and be sprayed.
7. a kind of gel prepares the manufacture method of sprinkling fire-extinguishing apparatus, the gel, which prepares sprinkling fire-extinguishing apparatus, to be included：Solvent tank,
Nonpolar dose of solvent is accommodated wherein, and the solvent tank includes the filling opening of side disposed thereon and at the filling opening
Be used for control the solvent tank valve that nonpolar dose of solvent and/or gas are added to solvent tank；Gel material case, accommodates wherein
There is gel material, the gel material case includes the charge door that side disposed thereon is used to add gel material；Solvent delivery pipe, its
One end extend into solvent tank bottom, and the other end is stretched into gel material case, and the solvent delivery pipe is included positioned at solvent tank with coagulating
The conveying tube valve for being used to control nonpolar dose of solvent to flow into gel material case from solvent tank at part between collagen hopper；
And discharge nozzle, its one end extend into gel material bottom portion, the other end is for carrying out gel material and nonpolar dose of solvent
Mixture discharge discharge port, have at the discharge nozzle close to the discharge port and be used to control mixture discharge
Discharge tube valve, wherein, under static state, conveying tube valve and discharging tube valve are closed, and gel material
The pressure P1 of gas in case is more than external pressure, the pressure P2 of the gas in solvent tank>P1,
The manufacture method comprises the following steps：
Close conveying tube valve；
Nonpolar dose of solvent is added into solvent tank by filling opening, powdery gel material is added into gel material case from charge door；
Gas is added from discharge port to gel material case causes the air pressure P1 in gel material case to be more than ambient pressure, and closes
Discharge tube valve；
Gas is added into solvent tank from filling opening so that the air pressure P2 in solvent tank>P1, and close solvent tank valve.
8. gel according to claim 7 prepares the manufacture method of sprinkling fire-extinguishing apparatus, wherein
Air pressure P1 in the gel material case>2 megapascal (MPa)s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310275722.3A CN103352715B (en) | 2013-07-03 | 2013-07-03 | Gel prepares sprinkling fire-extinguishing apparatus, its manufacture method and the method for spraying gel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310275722.3A CN103352715B (en) | 2013-07-03 | 2013-07-03 | Gel prepares sprinkling fire-extinguishing apparatus, its manufacture method and the method for spraying gel |
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| CN103352715A CN103352715A (en) | 2013-10-16 |
| CN103352715B true CN103352715B (en) | 2018-04-27 |
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