CN203355189U - Spray gun - Google Patents
Spray gun Download PDFInfo
- Publication number
- CN203355189U CN203355189U CN 201320459805 CN201320459805U CN203355189U CN 203355189 U CN203355189 U CN 203355189U CN 201320459805 CN201320459805 CN 201320459805 CN 201320459805 U CN201320459805 U CN 201320459805U CN 203355189 U CN203355189 U CN 203355189U
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- China
- Prior art keywords
- spray gun
- control valve
- adapter
- propane
- joint
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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.)
- Expired - Fee Related
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model provides a non-aspirating open-type spray gun which is used in a heptefluoro propane foam fire-extinguisher. The spray gun is characterized by comprising a control valve, a joint and a gun body which are sequentially arranged in the axis direction, wherein adapter tubes are arranged at the inlet end and the outlet end of the control valve; and the joint is arranged between the adapter tube at the outlet end of the control valve and the gun body which is horn-shaped. Compared with the prior art, by virtue of sprayed heptefluoro propane foams, the spray gun of the fire extinguisher not only has the coverage and isolation effects of foams, but also has the chemical inhibition effect of heptefluoro propane gas, facilitates rapid gasification of heptefluoro propane during spraying to form the foams, and guarantees an effective spraying distance.
Description
Technical field
The utility model relates to a kind of spray gun, is specifically related to a kind of heptafluoro-propane foam annihilator foam lance.
Background technology
Fire-fighting equipment is the important weapon that the mankind and fire are struggled, and along with scientific and technical develop rapidly, multi-disciplinary interpenetrating, brought life and vigor to the more new development of fire-fighting equipment.That fire-fighting equipment relates to is wide, kind is many.From the automatic detection warning system of fire, fire extinguisher, fixed fire extinguishing system, pump, car and water supply equipment, personal equipment and lifesaving appliance, communication scheduling command system, until extinguishing chemical, fire-retardant equipment can say that it has comprised the multiple scientific domains such as the metallurgy relevant to national economy, machinery, transmission, light industry, electronics, computer, chemical industry, material.
Along with the extensive use of fire-fighting equipment in fire-fighting work fields such as fire prevention, fire fighting and rescues, whole society prevention and the integral level of resisting fire and other disaster significantly improve, and fire-fighting technology has become important motivity and the guarantee that advances China's fire-fighting career development.Under the drive of the macroeconomy that continues to become better in China and real-estate market environment favourable, the fire-fighting equipment manufacturing of China is faced with unprecedented opportunity to develop.According to " investigation of the 2013-2017 Chinese fire protection equipment manufacturing degree of depth and investment forecasting analysis report " statistics, show, China's fire product market was in the situation of fast development in recent years, 2005-2011 fire-fighting equipment manufacturing income from sales amplification is all more than 14%, and average growth rate per annum reaches more than 24%.
Along with the China's economic sustained and rapid development, overall national strength progressively strengthens the quickening with Process of Urbanization Construction, and governments at all levels are to firemanic great attention, country strengthens year by year to the input of urban fire-fighting equipment, and governments at all levels are annual for buying the expense increase year after year of fire-fighting equipment and goods and materials.Simultaneously, estimate in the coming years that the fire-fighting equipment industry will continue to present rapid growth trend, annual growth maybe will reach 15% to 20%.Conservative expectation, the market scale of fire product in 2012 will reach 85,000,000,000 yuan.Under the promotion that all starts as former government and the public fire-fighting working depth is paid attention to, the fire-fighting equipment industry future also will keep growth rate faster.
Current, the external form of the main spray gun used has air-breathing hole on the market, in air intake rifle body, then in the rifle body, foam mixing liquid is foamed, and finally by the rifle body, sprays to the fire place, realizes fire extinguishing.The inventor, based on to a kind of fire extinguisher spray gun of researching and developing of heptafluoro-propane foam fire-fighting, for spraying the heptafluoro-propane fire foam, is conducive to heptafluoro-propane and gasifies rapidly and form foam and guarantee the coverage sprayed in injection.
The utility model content
The purpose of this utility model is to provide a kind of spray gun, for spraying the heptafluoro-propane fire foam, is conducive to heptafluoro-propane and gasifies rapidly and form foam and guarantee the coverage sprayed in injection.
The purpose of this utility model is to adopt following technical proposals to realize:
A kind of spray gun that the utility model provides, described spray gun is the non-attraction type opened type spray gun for the heptafluoro-propane foam annihilator, and its improvements are, and described spray gun comprises along the control valve set gradually on axis direction, joint and rifle body; The arrival end of described control valve and the port of export arrange respectively adapter; Between the adapter of the described control valve port of export and described rifle body, described joint is set; Described rifle body flare.
Wherein, is provided with cylindrical cavity and tubaeform chamber along axis direction in described rifle body, the diameter of described cylindrical cavity cross section is between the diameter of the minimum in described tubaeform chamber and maximum cross section.
Wherein, described joint is stepped, at its top, is provided with shower nozzle.
Wherein, described rifle body and joint are threaded connection.
Wherein, described control valve is ball valve, comprises valve body, spool and valve rod; The two ends of described control valve are provided with screw thread.
Wherein, be provided with stepped passage in the adapter of the described control valve port of export, described adapter two ends are provided with boss, and are provided with screw thread in the described boss outside.
Wherein, an end of the adapter of the arrival end of described control valve is provided with boss, and is provided with screw thread in the described boss outside.
Wherein, the adapter of described control valve arrival end is connected with the proportioner of fire extinguisher by conduit.
Compared with prior art, the beneficial effect that the utility model reaches is:
1, the spray gun that the utility model provides drives by standby pressure of nitrogen, can effectively for fire extinguisher, provide stable driving pressure.
The heptafluoro-propane fire foam of the lance ejection that 2, the utility model provides, the organoselenocyanate of the while frothy covering buffer action of tool and heptafluoro-propane gas, the heptafluoro-propane foam mixing liquid is even, fine and close, cover isolation and cooling performance good, extinguishing property and ability of anti-burning obviously are better than the normal air foam.
3, the spray gun that the utility model provides adopts non-attraction type opened type design, is conducive to heptafluoro-propane and gasifies rapidly and form foam and guarantee the coverage sprayed in injection.
The cylindrical cavity of the spray gun that 4, the utility model provides and the design in tubaeform chamber, be conducive to improve the distance of the injection of heptafluoro-propane foams mix agent.
The accompanying drawing explanation
Fig. 1 is: the structural representation of the spray gun that the utility model provides;
Wherein: 1, rifle body; 2, joint; 3, control valve; 4, take over; 5, take over.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.
The present embodiment is thought example, and as shown in Figure 1, the spray gun that the utility model embodiment provides comprises: rifle body 1, joint 2, control valve 3, take over 4, take over 5.
Spray gun is the non-air suction type foam lance of opened type, and rifle body 1 is tubaeform, and the inside of rifle body 1 is respectively equipped with cylindrical cavity and tubaeform chamber along injection direction, and heptafluoro-propane foams mix extinguishing chemical ejects from the loudspeaker die cavity; The diameter of cylindrical cavity cross section, between the diameter of the minimum in tubaeform chamber and maximum cross section, can make the junction in cylindrical cavity and tubaeform chamber play the effect of pressurization, improves the injection coverage of heptafluoro-propane foams mix extinguishing chemical; Joint 2 is stepped, be positioned at its top shower nozzle be arranged on cylindrical cavity, the other end of joint 2 is provided with control valve 3, control valve 3 is ball valve, is provided with between joint 2 and control valve 3 and takes over 4, and be threaded connection; The entrance of control valve 3 is provided with and takes over 5 by screw thread, takes over 5 and is connected with the mixed proportion device of fire extinguisher by conduit.
Open control valve 3, heptafluoro-propane and foam in extinguisher cylinder drive by nitrogen, after proportioner form to mix extinguishing chemical to joint 2, spray to rifle body 1 from the shower nozzle of joint 2, and spraying to burning things which may cause a fire disaster from the horn mouth of rifle body 1 under nitrogen pressure, this kind of spray regime is conducive to heptafluoro-propane and gasifies rapidly and form foam and guarantee the coverage sprayed in injection.
The saturated vapor pressure of heptafluoro-propane is 0.4MPa(20 ℃), in pipeline, be in a liquid state, with foam solution, can fully mix and for the liquid single-phase flow, the mixed liquor while frothy covering buffer action of tool of heptafluoro-propane and foam and the organoselenocyanate of heptafluoro-propane gas, the heptafluoro-propane foam mixing liquid is even, fine and close, cover isolation and cooling performance good, extinguishing property and ability of anti-burning obviously are better than the normal air foam.
The concrete technical parameter of heptafluoro-propane foam annihilator is as follows:
Foam solution reservoir vessel volume: 40L
Foam solution filling weight: 35KG
Heptafluoro-propane reservoir vessel volume: 4L
Heptafluoro-propane filling weight: 2.5KG
Nitrogen flooding dynamic pressure: 0.8MPa
Pipe aperture: DN8
Foam lance pattern: non-attraction type opened type
Injecting time: 1min30s
Coefficient of foaming: >=12 times
Effective jet length: >=6m
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although with reference to above-described embodiment, the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present utility model, and do not break away from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (8)
1. a spray gun, described spray gun is the non-attraction type opened type spray gun for the heptafluoro-propane foam annihilator, it is characterized in that, described spray gun comprises along the control valve set gradually on axis direction, joint and rifle body; The arrival end of described control valve and the port of export arrange respectively adapter; Between the adapter of the described control valve port of export and described rifle body, described joint is set; Described rifle body flare.
2. spray gun as claimed in claim 1, is characterized in that, is provided with cylindrical cavity and tubaeform chamber along axis direction in described rifle body, and the diameter of described cylindrical cavity cross section is between the diameter of the minimum in described tubaeform chamber and maximum cross section.
3. spray gun as claimed in claim 2, is characterized in that, described joint is stepped, at its top, is provided with shower nozzle.
4. spray gun as claimed in claim 1, is characterized in that, described rifle body and joint are threaded connection.
5. spray gun as claimed in claim 1, is characterized in that, described control valve is ball valve, comprises valve body, spool and valve rod; The two ends of described control valve are provided with screw thread.
6. spray gun as claimed in claim 1, is characterized in that, is provided with stepped passage in the adapter of the described control valve port of export, and described adapter two ends are provided with boss, and be provided with screw thread in the described boss outside.
7. spray gun as claimed in claim 1, is characterized in that, an end of the adapter of the arrival end of described control valve is provided with boss, and be provided with screw thread in the described boss outside.
8. spray gun as claimed in claim 1, is characterized in that, the adapter of described control valve arrival end is connected with the proportioner of fire extinguisher by conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320459805 CN203355189U (en) | 2013-07-30 | 2013-07-30 | Spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320459805 CN203355189U (en) | 2013-07-30 | 2013-07-30 | Spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203355189U true CN203355189U (en) | 2013-12-25 |
Family
ID=49803016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320459805 Expired - Fee Related CN203355189U (en) | 2013-07-30 | 2013-07-30 | Spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203355189U (en) |
-
2013
- 2013-07-30 CN CN 201320459805 patent/CN203355189U/en not_active Expired - Fee Related
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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: 20131225 Termination date: 20200730 |