CN202937294U - Inert gas antiaircraft gun explosion-resistant device for mine - Google Patents
Inert gas antiaircraft gun explosion-resistant device for mine Download PDFInfo
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- CN202937294U CN202937294U CN 201220661141 CN201220661141U CN202937294U CN 202937294 U CN202937294 U CN 202937294U CN 201220661141 CN201220661141 CN 201220661141 CN 201220661141 U CN201220661141 U CN 201220661141U CN 202937294 U CN202937294 U CN 202937294U
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- liquid nitrogen
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- inert gas
- cooling
- foaming
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Abstract
An inert gas antiaircraft gun explosion-resistant device for a mine is suitable for explosion arrestment and extinguishment of the mine and can also used for extinguishment of tunnels and underground stores. The inert gas antiaircraft gun explosion-resistant device comprises an inert gas generating device, a flue, a control console and a foaming system, wherein the inert gas generating device is composed of an air supply system, a burning system, an oil supply system, a sprayed water cooling system, and a liquid nitrogen cooling system is added between the flue and the foaming system. A liquid nitrogen tank of the liquid nitrogen cooling system is connected with a liquid nitrogen spray nozzle through a pipe, the liquid nitrogen spray nozzle is located at a liquid nitrogen spraying section, the liquid nitrogen spraying section is connected with at least one heat exchange section, and the heat exchange section is communicated with a foaming section of the foaming system. The inert gas antiaircraft gun explosion-resistant device is simple in structure and convenient to operate, reduces output gas temperature by doping appropriate liquid nitrogen, accelerates extinguishment and temperature reduction, improves the foaming performance, is used for quickly extinguishing open fire and inhibiting gas explosion, and enables rescue teams to conveniently approach fire disaster of a fire source and enter a fire region as early as possible to perform slash fire treatment or other rescue and relief work.
Description
Technical field
The utility model relates to a kind of colliery with the high bubble of noble gas device of blast prevention, is applicable to the fire extinguishing of mine explosion arrestment, also can be used for tunnel and underground store fire extinguishing.
Background technology
Fuel inert gases is the technical way of the coal pit fire extinguishing disaster relief always.Noble gas fire-fighting technique development in recent years is very fast, produce the noble gas approach also have multiple, as liquid nitrogen, gas nitrogen, produce noble gas with nitrogen making machine and fuel oil deoxygenation.But existent defect in the fuel inert gases fire extinguishing: the fuel inert gases outlet temperature is up to 80～90 ℃, though the quick extinguish open flame of energy, unfavorable to the flame range cooling, naked light extinguishes rear flame range and still has higher temperature, for the flame range resume combustion has stayed major hidden danger.
In the prior art, the utility application that a publication number is arranged is CN2741602Y is open on November 23rd, 2005, it be a kind of set up in lazy bubble generating means the second-time burning system, can be with fuel oil completing combustion, improve a kind of colliery fuel anti-explosion fire-extinguishing apparatus of noble gas amount; The utility application that to also have a publication number be CN201184212Y is open on January 21st, 2009, and it is a kind of novel fuel inert gas generating device that two oil spout chambers are set between blower fan and combustion chamber.
Above-mentioned two kinds of prior arts can use lazy bubble generating means to put out coal-mine fire, and simple in structure, easy to operate, to produce cost low.But due to its air outlet temperature high (80～90 ℃), for flame range, especially for the weak effect that cools of deep fire, if simple this class noble gas that utilizes is not aided with other fire extinguishing measures, attack time is often very long fully; If (lazy) the gas time of notes falls short of, tend to again cause resume combustion.After fire occurs, the rescue team member is difficult near burning things which may cause a fire disaster, and rescue and relief work can't be carried out smoothly.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of can effectively reduce the device of blast prevention outlet temperature, avoids resume combustion, and device of blast prevention is steeped with the noble gas height in the colliery safely and efficiently.
the purpose of this utility model is achieved through the following technical solutions: device of blast prevention is steeped with the noble gas height in the colliery, comprise by air feed system, combustion system, oil supply system, the inert gas generating device that cooling spray system consists of, flue, console and foamed system, described air feed system comprises blower fan, diversion section, air regulating board, combustion system comprises the combustion chamber, igniter, oil supply system comprises oil pump, pipeline and oil-feed port, cooling spray system comprises cooling water pump, water strainer, water jacket, spray-type air washer section, foamed system comprises for foam pump, the foam explosive barrel, spray nozzle, foaming section and foam screen, in cooling spray system, the housing of water jacket connects with the housing of flue, it is characterized in that: install the liquid nitrogen cooling system additional between flue and foamed system.
The liquid nitrogen container of described liquid nitrogen cooling system is connected with the liquid nitrogen nozzle by pipeline, and the liquid nitrogen nozzle is positioned at liquid nitrogen and sprays on section, and liquid nitrogen sprays section and is connected with at least one joint heat exchange segment, and heat exchange segment is communicated with the foaming section of foamed system.
Be provided with hose coupling and overfall in described cooling spray system.
The beneficial effects of the utility model: the utility model adopts said structure, take inert gas generating device as main frame, produce the mixed inert gas of hypoxemia by fuel oil deoxygenation principle, and the appropriate liquid nitrogen of admixture, namely use the liquid nitrogen cooling system to reduce the air outlet temperature (being down to 30 ℃ by 87 ℃) of fuel inert gases.Then use foamed system according to the occurring principle of the high bubble of machinery, namely in the noble gas flow sections after cooling, height is steeped liquid evenly to be sprayed on special foaming wire side, by the effect of noble gas pressure energy, produce continuously and in large quantities the high bubble of noble gas that can meet the explosion arrestment extinguishment requirement, can accelerate again fire extinguishing cooling.
The utility model is applicable to the fire extinguishing of mine explosion arrestment, also can be used for tunnel and underground store fire extinguishing, has following characteristics:
1, can produce continuously in a large number and meet the vaporific noble gas of wet mixed that the explosion arrestment extinguishment requirement contains again a large amount of steam;
2, the liquid nitrogen cooling section is set, namely in above-mentioned wet type noble gas, mixes appropriate liquid nitrogen, discharge low temperature (30～20 ℃) noble gas, reduce the air outlet temperature of noble gas, improve foam performance, facilitate the rescue team member near the fire of burning things which may cause a fire disaster, enter as early as possible flame range, carry out residual fire and process, or other rescue and relief works;
3, can produce the aero-mechanical high expansion foam; Can also produce the high bubble of noble gas, in order to explosion arrestment fire extinguishing and acceleration fire extinguishing cooling;
4, can be used as to utilize and carry out flame range after the fire extinguishing of this class device and recover the blower fan that ventilates again;
5, utilize the high bubble of this noble gas to compare with single noble gas or the single high bubble of air, the length of holding time of flame range inerting, under experiment condition, inactivation time is short, all without resume combustion.
Description of drawings
Fig. 1 is the utility model general structure schematic diagram.
Fig. 2 is the structural representation of foaming section.
The specific embodiment
Below in conjunction with accompanying drawing, concrete structure of the present utility model and optimum implementation are described in detail.
Device of blast prevention is steeped with the noble gas height in the colliery, as Figure 1-3, comprise the inert gas generating device, flue 8, console 19 and the foamed system that are consisted of by air feed system, combustion system, oil supply system, cooling spray system, described air feed system comprises blower fan 1, diversion section 2, air regulating board 18, combustion system comprises combustion chamber 4, igniter 3, oil supply system comprises oil pump 20, pipeline and oil-feed port 17, cooling spray system 15 comprises cooling water pump 23, water strainer 21, water jacket 5, spray-type air washer section 6, is provided with hose coupling 16 and overfall 7 in cooling spray system 15.Foamed system comprises for foam pump 24, high expansion foam explosive barrel 25, foam solution interface 26, spray nozzle 12, foaming section 11 and foam screen 13, at spray nozzle 12 bottom setting pressure tables 27, in cooling spray system 15, the housing of water jacket 5 connects with the housing of flue 8, installs the liquid nitrogen cooling system between flue 8 and foamed system additional.Described liquid nitrogen cooling system comprises that liquid nitrogen container 22, liquid nitrogen nozzle 14, liquid nitrogen spray section 9, liquid nitrogen container 22 is connected with liquid nitrogen nozzle 14 by pipeline, liquid nitrogen nozzle 14 is positioned at liquid nitrogen and sprays on section 9, liquid nitrogen sprays section 9 one ends and is communicated with flue 8, the other end is connected with three joint heat exchange segment 10, and heat exchange segment 10 is communicated with the foaming section 11 of foamed system.
Operating principle of the present utility model: the utility model is take inert gas generating device as main frame, take domestic kerosene as fuel, control by console 19, fuel oil enters diversion section 2 through oil-feed port 17 under air regulating board 18 and blower fan 1 air feed condition, by starting ignition, by Electric Machine Control oil pump 20 the 4 interior appropriate oil spouts to the combustion chamber of the kerosene in oil drum, carry out violent oxidation reaction in special combustion chamber 4, igniter 3(is installed in the combustion chamber comprises ignition burner, main jet, ignition coil).Cooling water pump 23 in water tank connects by pipeline with water strainer 21.The water spray of the spray-type air washer section 6 of the combustion product of high temperature in cooling spray system 15 is cooling, can obtain in large quantities continuously the vaporific mixed inert gas that meets fire extinguishing or explosion arrestment requirement, contains again a large amount of steam.Liquid nitrogen appropriate in liquid nitrogen container 22 sprays into flue 8 and heat exchange segment 10 via the liquid nitrogen nozzle, reduces the air outlet temperature of fuel inert gases with liquid nitrogen.Then use foamed system according to the occurring principle of the high bubble of machinery, namely evenly be sprayed on 13 of special foam screens with for foam pump 24, height being steeped liquid in the noble gas flow process after cooling, by the effect of noble gas pressure energy, produce continuously and in large quantities the high bubble of noble gas that can meet the explosion arrestment extinguishment requirement, can accelerate again fire extinguishing cooling.
Claims (3)
1. device of blast prevention is steeped with the noble gas height in the colliery, comprise by air feed system, combustion system, oil supply system, the inert gas generating device that cooling spray system consists of, flue, console and foamed system, described air feed system comprises blower fan, diversion section, air regulating board, combustion system comprises the combustion chamber, igniter, oil supply system comprises oil pump, pipeline and oil-feed port, cooling spray system comprises cooling water pump, water strainer, water jacket, spray-type air washer section, foamed system comprises for foam pump, the foam explosive barrel, spray nozzle, foaming section and foam screen, in cooling spray system, the housing of water jacket connects with the housing of flue, it is characterized in that: install the liquid nitrogen cooling system additional between flue and foamed system.
2. device of blast prevention is steeped with the noble gas height in colliery according to claim 1, it is characterized in that: the liquid nitrogen container of described liquid nitrogen cooling system is connected with the liquid nitrogen nozzle by pipeline, the liquid nitrogen nozzle is positioned at liquid nitrogen and sprays on section, liquid nitrogen sprays section and is connected with at least one joint heat exchange segment, and heat exchange segment is communicated with the foaming section of foamed system.
3. colliery according to claim 1 and 2 with the high bubble of noble gas device of blast prevention, is characterized in that: be provided with hose coupling and overfall in described cooling spray system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220661141 CN202937294U (en) | 2012-12-05 | 2012-12-05 | Inert gas antiaircraft gun explosion-resistant device for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220661141 CN202937294U (en) | 2012-12-05 | 2012-12-05 | Inert gas antiaircraft gun explosion-resistant device for mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202937294U true CN202937294U (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220661141 Expired - Fee Related CN202937294U (en) | 2012-12-05 | 2012-12-05 | Inert gas antiaircraft gun explosion-resistant device for mine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027506A (en) * | 2019-12-09 | 2021-06-25 | 朱芳队 | Inerting and fire extinguishing technology of air duct direct connection inert gas generator |
| US11559711B2 (en) | 2017-03-01 | 2023-01-24 | China Petroleum & Chemical Corporation | Foam producing method, fire extinguishing method, and appliance for foam extinguishing |
| CN115887978A (en) * | 2022-10-18 | 2023-04-04 | 山东科技大学 | Liquid nitrogen direct injection and low-temperature foaming intelligent injection system based on mine fire zone characteristics and application method |
-
2012
- 2012-12-05 CN CN 201220661141 patent/CN202937294U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11559711B2 (en) | 2017-03-01 | 2023-01-24 | China Petroleum & Chemical Corporation | Foam producing method, fire extinguishing method, and appliance for foam extinguishing |
| CN113027506A (en) * | 2019-12-09 | 2021-06-25 | 朱芳队 | Inerting and fire extinguishing technology of air duct direct connection inert gas generator |
| CN115887978A (en) * | 2022-10-18 | 2023-04-04 | 山东科技大学 | Liquid nitrogen direct injection and low-temperature foaming intelligent injection system based on mine fire zone characteristics and application method |
| CN115887978B (en) * | 2022-10-18 | 2023-11-24 | 山东科技大学 | Liquid nitrogen direct injection and low-temperature foaming intelligent filling system based on mine fire area characteristics and application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FUJIAN ZHENGGONG MINING TECHNOLOGY EQUIPMENT CO., Effective date: 20140108 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140108 Address after: 113122 A4 District, No. 7, Zhongxing West Street, Fushun Economic Development Zone, Liaoning, China Patentee after: Fushun zhenggong coaling Technology Development Co., Ltd. Patentee after: Fushun Zhenggong Mining Technology Equipment Co Ltd Address before: 113122 A4 District, No. 7, Zhongxing West Street, Fushun Economic Development Zone, Liaoning, China Patentee before: Fushun zhenggong coaling Technology Development Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20201205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |