CN105464696A - Liquid-nitrogen pressurizing fireproofing and fire extinguishing system and method - Google Patents
Liquid-nitrogen pressurizing fireproofing and fire extinguishing system and method Download PDFInfo
- Publication number
- CN105464696A CN105464696A CN201510996639.4A CN201510996639A CN105464696A CN 105464696 A CN105464696 A CN 105464696A CN 201510996639 A CN201510996639 A CN 201510996639A CN 105464696 A CN105464696 A CN 105464696A
- Authority
- CN
- China
- Prior art keywords
- liquid nitrogen
- nitrogen
- supercharging
- gas
- container
- Prior art date
- 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.)
- Granted
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 539
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 274
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004079 fireproofing Methods 0.000 title abstract 7
- 239000007788 liquid Substances 0.000 claims abstract description 207
- 239000007789 gas Substances 0.000 claims abstract description 73
- 239000006200 vaporizer Substances 0.000 claims abstract description 21
- 230000005611 electricity Effects 0.000 claims description 10
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000008016 vaporization Effects 0.000 claims description 3
- 238000009834 vaporization Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 description 3
- 230000009172 bursting Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a liquid-nitrogen pressurizing fireproofing and fire extinguishing system. The liquid-nitrogen pressurizing fireproofing and fire extinguishing system comprises a liquid nitrogen tank, a liquid nitrogen vaporizer and a buffer tank, wherein the liquid nitrogen tank, the liquid nitrogen vaporizer and the buffer tank are sequentially connected. The liquid nitrogen tank is provided with a safety valve, a first pressure gage and a liquid-nitrogen direct pouring pipe for pouring liquid nitrogen into a well; the liquid nitrogen tank is connected with the liquid nitrogen vaporizer through a main liquid-nitrogen delivering pipe; a gaseous nitrogen pouring pipe for pouring gaseous nitrogen into the well is connected to the buffer tank; a pressurizing device for pressurizing the interior of the liquid nitrogen tank is connected between the main liquid-nitrogen delivering pipe and the liquid nitrogen tank. The invention further provides a liquid-nitrogen pressurizing fireproofing and fire extinguishing method. The liquid-nitrogen pressurizing fireproofing and fire extinguishing system and method have the advantages that as the pressurizing device and the safety valve are arranged, when the gas pressure in the liquid nitrogen tank is smaller than a preset value, pressurizing is carried out through the pressurizing device; when the gas pressure in the liquid nitrogen tank is larger than the preset value, pressure relieving is carried out through the safety valve, and therefore pressure-steady output of the liquid nitrogen is achieved; as the buffer tank is arranged, pressure fluctuation of the gaseous nitrogen is buffered, and stable gaseous nitrogen is output. The liquid-nitrogen pressurizing fireproofing and fire extinguishing system is stable in fireproofing and fire extinguishing performance.
Description
Technical field
The present invention relates to Coal Mine Fire fire-fighting technique field, particularly relate to liquid nitrogen supercharging fireproof fire-extinguishing system and method.
Background technology
Along with the continuous intensification of coal mining depth, temperature under mine is also more and more higher, even may reach the temperature meeting coal oxidation condition, high temperature not only causes work under bad environment under mine, have a strong impact on underground work, and likely cause mine naturally on fire, therefore underground thermal pollution and fire disaster are problem demanding prompt solutions.
Usually the gentle nitrogen of liquid nitrogen is adopted to carry out fireproof fire-extinguishing in current mine, but existing liquid nitrogen gentle nitrogen fire extinguishing system cannot the stable liquid nitrogen of output pressure, and the gas nitrogen pressure fluctuation exported is comparatively large, and can cause the job insecurity of fireproof fire-extinguishing system like this, the reliability of fireproof fire-extinguishing system is low.
Summary of the invention
The object of the invention is to overcome defect of the prior art, provides a kind of liquid nitrogen supercharging fireproof fire-extinguishing system and method.
The invention provides a kind of liquid nitrogen supercharging fireproof fire-extinguishing system, comprise the liquid nitrogen container, liquid nitrogen vaporizer and the surge tank that connect successively;
Described liquid nitrogen container is provided with safety valve, the first pressure meter and the liquid nitrogen for liquid nitrogen being filled into down-hole and directly notes pipe;
Carry to be responsible for by liquid nitrogen between described liquid nitrogen container with described liquid nitrogen vaporizer and be connected;
Described surge tank is connected with the note gas nitrogen pipe for gas nitrogen being filled into down-hole;
Wherein, be connected with for the supercharging device to supercharging in described liquid nitrogen container between described liquid nitrogen conveying supervisor and described liquid nitrogen container.
Further, described supercharging device has the driving air inlet port for absorbing the gas nitrogen be transformed by liquid nitrogen in described liquid nitrogen conveying supervisor and compressed air inlet, the gas nitrogen described supercharging device also had for being absorbed by described compressed air inlet is supplied in described liquid nitrogen container to increase the supercharging gas outlet of the air pressure in described liquid nitrogen container;
Described driving air inlet port and described compressed air inlet are carried to be responsible for described liquid nitrogen respectively and are connected, and described supercharging gas outlet is connected with described liquid nitrogen container.
Further, the surrounding of described liquid nitrogen conveying supervisor is provided with for the auxiliary thermal of electricity to described liquid nitrogen conveying supervisor heat supply.
Further, the described supercharging gas outlet place of described supercharging device is provided with pressure-regulating valve.
Further, between described surge tank and described liquid nitrogen vaporizer, be provided with one way valve, be provided with the second control valve between described surge tank and described note gas nitrogen pipe, described surge tank be provided with the second pressure meter.
Further, described surge tank is gasbag-type surge tank.
Further, described liquid nitrogen container is provided with quick fill adapter.
The present invention also provides a kind of liquid nitrogen supercharging fireproof fire-extinguishing method using above-mentioned liquid nitrogen supercharging fireproof fire-extinguishing system, comprises the following steps:
Step 1): the safety valve and the first pressure meter that utilize the supercharging device be arranged between liquid nitrogen container and liquid nitrogen conveying supervisor and the top being arranged on described liquid nitrogen container, regulate the liquid nitrogen pressure in described liquid nitrogen container to make it remain on predetermined value;
Step 2): the voltage stabilizing liquid nitrogen obtained by step 1 is directly noted pipe by liquid nitrogen and is filled into down-hole;
Step 3): be transported in liquid nitrogen vaporizer by the voltage stabilizing liquid nitrogen obtained by step 1 by liquid nitrogen conveying supervisor, described liquid nitrogen vaporizer is transported to surge tank after liquid nitrogen vaporization is become gas nitrogen, then by note gas nitrogen pipe, gas nitrogen is filled into down-hole.
Further, regulate the liquid nitrogen pressure in described liquid nitrogen container to make it remain on predetermined value to comprise:
When the force value of described liquid nitrogen container is higher than preset value, opens the safety-valve and liquid nitrogen container is reduced pressure;
When the force value of described liquid nitrogen container is lower than preset value, open the driving air inlet port in supercharging device and compressed air inlet, the gas nitrogen be transformed by liquid nitrogen in described liquid nitrogen conveying supervisor enters in described supercharging device through described driving air inlet port and described compressed air inlet;
Wherein, the gas nitrogen entered through described driving air inlet port drives supercharging device running as driving source of the gas, and the gas nitrogen entered through described compressed air inlet as pressurising medium, and is delivered in described liquid nitrogen container through supercharging gas outlet by after compression supercharging.
Further, the surrounding of described liquid nitrogen conveying supervisor is provided with for the auxiliary thermal of electricity to described liquid nitrogen conveying supervisor heat supply.
Beneficial effect of the present invention: by arranging supercharging device and safety valve, when the air pressure in liquid nitrogen container is less than preset value, pressurizeed by supercharging device, when the air pressure in liquid nitrogen container is higher than preset value, by safety valve pressure release, thus the voltage stabilizing achieving liquid nitrogen exports, by arranging the pressure oscillation of surge tank cushion gas nitrogen, thus export stable gas nitrogen, the fireproof fire-extinguishing stable performance of native system.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of liquid nitrogen supercharging fireproof fire-extinguishing system of the present invention.
In figure:
1, liquid nitrogen container; 2, quick fill adapter; 31, pressure-control valve; 32, the first control valve; 33, switch; 34, one way valve; 35, the second control valve; 36, the 3rd control valve; 4, supercharging device; 5, liquid nitrogen conveying supervisor; 6, electric auxiliary thermal; 7, liquid nitrogen vaporizer; 8, surge tank; 9, safety valve 9; 101, liquid nitrogen directly notes pipe; 102, gas nitrogen pipe is noted; 111, the first pressure meter; 112, the second pressure meter.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention; technical scheme in the embodiment of the present invention is clearly and completely described; obviously; described embodiment is only a part of embodiment of the present invention; based on the inventive concept in the present invention; the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of protection of the invention.
As shown in Figure 1, the liquid nitrogen supercharging fireproof fire-extinguishing system that one embodiment of the invention provides, comprises the liquid nitrogen container 1, liquid nitrogen vaporizer 7 and the surge tank 8 that connect successively.Liquid nitrogen container 1 is provided with safety valve 9, first pressure meter 111 and the liquid nitrogen for liquid nitrogen being filled into down-hole directly notes pipe 101; Supervisor 5 is carried to be connected by liquid nitrogen between liquid nitrogen container 1 with liquid nitrogen vaporizer 7; Surge tank 8 is connected with the note gas nitrogen pipe 102 for gas nitrogen being filled into down-hole; Wherein, be connected with for the supercharging device 4 to supercharging in liquid nitrogen container 1 between liquid nitrogen conveying supervisor 5 and liquid nitrogen container 1.
Supercharging device 4 can carry out supercharging to liquid nitrogen container 1, and safety valve 9 can make liquid nitrogen container 1 pressure release.Particularly, when the air pressure of the liquid nitrogen container 1 that the first pressure meter 111 measures is less than preset value, pressurizeed by supercharging device 4 pairs of liquid nitrogen containers 1; When the air pressure of the liquid nitrogen container 1 that the first pressure meter 111 measures is higher than preset value, open the safety-valve 8 pressure releases, thus liquid nitrogen container 1 can export the liquid nitrogen of voltage stabilizing.Surge tank 8 can cushion the pressure oscillation of the gas nitrogen from liquid nitrogen vaporizer 7 to a certain extent, thus exports stable gas nitrogen.Therefore, the fireproof fire-extinguishing stable performance of native system.
In the exemplary embodiment, supercharging device 4 is air boost pump.Supercharging device 4 has the driving air inlet port for absorbing the gas nitrogen be transformed by liquid nitrogen in liquid nitrogen conveying supervisor 5 and compressed air inlet, gas nitrogen supercharging device 4 also had for being absorbed by compressed air inlet is supplied in liquid nitrogen container 1 to increase the supercharging gas outlet of the air pressure in liquid nitrogen container 1.Drive air inlet port to carry supervisor 5 to be connected with liquid nitrogen respectively with compressed air inlet, supercharging gas outlet is connected with liquid nitrogen container 1.
Liquid nitrogen carries the liquid nitrogen in supervisor 5 in transportation because environment temperature understands components vaporize, supercharging device 4 utilizes the driving source of the gas and the pressurising medium that are used as supercharging device 4 by the gas nitrogen of liquid nitrogen components vaporize, and do not need to introduce extra source of the gas, therefore optimize the layout of system.
Air inlet port is driven all to carry supervisor 5 to be connected by the first control valve 32 and liquid nitrogen with compressed air inlet, when the air pressure of the liquid nitrogen container 1 that the first pressure meter 111 measures is less than preset value, open the first control valve 32, the gas nitrogen be transformed by liquid nitrogen in liquid nitrogen conveying supervisor 5 is transported in supercharging device 4, wherein drives source of the gas to be used for driving supercharging device 4 to operate by driving the part gas nitrogen of air inlet port to be used as.Be used as pressurising medium by the part gas nitrogen of compressed air inlet and compressed supercharging in supercharging device 4, then flow to liquid nitrogen container 1 by supercharging gas outlet, supercharging is carried out to liquid nitrogen container 1.Supercharging device 4 in running can compress and supercharging the gas nitrogen that compressed air inlet port enters supercharging device 4.In native system, the pressure in liquid nitrogen container 1 can be increased 20-40 doubly, by liquid nitrogen container Stress control within the scope of 1-2MPa by supercharging device 4.
In a preferred embodiment, the surrounding of liquid nitrogen conveying supervisor 5 is provided with for the auxiliary thermal 6 of electricity to liquid nitrogen conveying supervisor 5 heat supply.The auxiliary thermal 6 of electricity is provided with switch 33, the opening switch 33 when environment temperature is too low, the auxiliary thermal of electricity 6 couples of liquid nitrogen conveying supervisors 5 heat supply, supervisor 5 bursting by freezing is carried to prevent liquid nitrogen, and provide to liquid nitrogen conveying supervisor 5 exchanged heat liquid nitrogen being changed into gas nitrogen, to provide the gas nitrogen of supercharging device 4 normally needed for work.
The supercharging gas outlet place of supercharging device 4 is provided with pressure-regulating valve 31.Pressure-regulating valve 31 can control the pressure of the gas nitrogen carried in liquid nitrogen container 1 by supercharging device 4.
Be provided with one way valve 34 between surge tank 8 and liquid nitrogen vaporizer 7, be provided with the second control valve 35 between surge tank 8 and note gas nitrogen pipe 102, surge tank 8 be provided with the second pressure meter 112.The pressure recorded when the second pressure meter 112 is lower than opening one way valve 34 during preset value, closing the second control valve 35, along with gas nitrogen is constantly transported to surge tank 8 from liquid nitrogen vaporizer, air pressure in surge tank 8 raises gradually, when reaching pressure higher than closing one-way valve during preset value 34, open the second control valve 35, regulate the pressure of gas nitrogen thus further, the gas nitrogen that output pressure is more stable.Preferably, surge tank 8 is gasbag-type surge tank.
Liquid nitrogen container 1 is provided with quick fill adapter 2.Utilize quick fill adapter 2 liquid nitrogen container 1 to be connected with the liquid nitrogen tank car storing liquid nitrogen fast, the liquid nitrogen in liquid nitrogen tank car is filled in liquid nitrogen container 1 fast.
A kind of liquid nitrogen supercharging fireproof fire-extinguishing method that one embodiment of the invention provides, comprise the following steps: step 1): the safety valve 9 and the first pressure meter 111 that utilize the supercharging device 4 be arranged between liquid nitrogen container 1 and liquid nitrogen conveying supervisor 5 and the top being arranged on liquid nitrogen container 1, regulate the liquid nitrogen pressure in liquid nitrogen container 1 to make it remain on predetermined value; Step 2): the voltage stabilizing liquid nitrogen obtained by step 1 is directly noted pipe 101 by liquid nitrogen and is filled into down-hole; Step 3): be transported in liquid nitrogen vaporizer 7 by the voltage stabilizing liquid nitrogen obtained by step 1 by liquid nitrogen conveying supervisor 5, liquid nitrogen vaporizer 7 is transported to surge tank 8 after liquid nitrogen vaporization is become gas nitrogen, then by note gas nitrogen pipe 102, gas nitrogen is filled into down-hole.
Liquid nitrogen pressure in above-mentioned adjustment liquid nitrogen container 1 makes it remain on predetermined value to comprise: when the force value of described liquid nitrogen container 1 is higher than preset value, opens the safety-valve 9 liquid nitrogen container 1 to be reduced pressure; When the force value of described liquid nitrogen container 1 is lower than preset value, open the driving air inlet port in supercharging device 4 and compressed air inlet, the gas nitrogen be transformed by liquid nitrogen in described liquid nitrogen conveying supervisor 5 enters in described supercharging device 4 through described driving air inlet port and described compressed air inlet; Wherein, the gas nitrogen entered through driving air inlet port drives supercharging device 4 to operate as driving source of the gas, and the gas nitrogen that compressed air inlet port enters as pressurising medium, and is delivered in described liquid nitrogen container 1 through supercharging gas outlet by after compression supercharging.
The surrounding of liquid nitrogen conveying supervisor 5 is provided with for the auxiliary thermal 6 of electricity to institute liquid nitrogen conveying supervisor 5 heat supply.The auxiliary thermal 6 of electricity is provided with switch 33, the opening switch 33 when environment temperature is too low, the auxiliary thermal of electricity 6 couples of liquid nitrogen conveying supervisors 5 heat supply, supervisor 5 bursting by freezing is carried to prevent liquid nitrogen, and provide to liquid nitrogen conveying supervisor 5 exchanged heat liquid nitrogen being changed into gas nitrogen, to provide the gas nitrogen of supercharging device 4 normally needed for work.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a liquid nitrogen supercharging fireproof fire-extinguishing system, is characterized in that: comprise the liquid nitrogen container (1), liquid nitrogen vaporizer (7) and the surge tank (8) that connect successively;
Described liquid nitrogen container (1) is provided with safety valve (9), the first pressure meter (111) and the liquid nitrogen for liquid nitrogen being filled into down-hole and directly notes pipe (101);
Carried by liquid nitrogen between described liquid nitrogen container (1) with described liquid nitrogen vaporizer (7) and be responsible for (5) and be connected;
Described surge tank (8) is connected with the note gas nitrogen pipe (102) for gas nitrogen being filled into down-hole;
Wherein, be connected with for the supercharging device (4) to described liquid nitrogen container (1) interior supercharging between described liquid nitrogen conveying supervisor (5) and described liquid nitrogen container (1).
2. liquid nitrogen supercharging fireproof fire-extinguishing system according to claim 1, it is characterized in that: described supercharging device (4) has the driving air inlet port for absorbing the gas nitrogen be transformed by liquid nitrogen in described liquid nitrogen conveying supervisor (5) and compressed air inlet, the gas nitrogen described supercharging device (4) also had for being absorbed by described compressed air inlet is supplied in described liquid nitrogen container (1) to increase the supercharging gas outlet of the air pressure in described liquid nitrogen container (1);
Described driving air inlet port and described compressed air inlet are carried with described liquid nitrogen respectively and are responsible for (5) and are connected, and described supercharging gas outlet is connected with described liquid nitrogen container (1).
3. liquid nitrogen supercharging fireproof fire-extinguishing system according to claim 2, is characterized in that: the surrounding of described liquid nitrogen conveying supervisor (5) is provided with for the auxiliary thermal of electricity (6) to described liquid nitrogen conveying supervisor (5) heat supply.
4. the liquid nitrogen supercharging fireproof fire-extinguishing system according to any one of claim 1-3, is characterized in that: the described supercharging gas outlet place of described supercharging device (4) is provided with pressure-regulating valve (31).
5. liquid nitrogen supercharging fireproof fire-extinguishing system according to claim 4, it is characterized in that: between described surge tank (8) and described liquid nitrogen vaporizer (7), be provided with one way valve (34), be provided with the second control valve (35) between described surge tank (8) and described note gas nitrogen pipe (102), described surge tank (8) be provided with the second pressure meter (112).
6. liquid nitrogen supercharging fireproof fire-extinguishing system according to claim 5, is characterized in that: described surge tank (1) is gasbag-type surge tank.
7. liquid nitrogen supercharging fireproof fire-extinguishing system according to claim 6, is characterized in that: described liquid nitrogen container (1) is provided with quick fill adapter (2).
8. use a liquid nitrogen supercharging fireproof fire-extinguishing method for liquid nitrogen supercharging fireproof fire-extinguishing system described in claim 1, it is characterized in that: comprise the following steps:
Step 1): the safety valve (9) and the first pressure meter (111) that utilize the supercharging device (4) be arranged between liquid nitrogen container (1) and liquid nitrogen conveying supervisor (5) and the top being arranged on described liquid nitrogen container (1), regulate the liquid nitrogen pressure in described liquid nitrogen container (1) to make it remain on predetermined value;
Step 2): the voltage stabilizing liquid nitrogen obtained by step 1 is directly noted pipe (101) by liquid nitrogen and is filled into down-hole;
Step 3): the voltage stabilizing liquid nitrogen obtained by step 1 is transported in liquid nitrogen vaporizer (7) by liquid nitrogen conveying supervisor (5), be transported to surge tank (8) after liquid nitrogen vaporization is become gas nitrogen by described liquid nitrogen vaporizer (7), then by note gas nitrogen pipe (102), gas nitrogen be filled into down-hole.
9. liquid nitrogen supercharging fireproof fire-extinguishing method according to claim 8, is characterized in that: regulate the liquid nitrogen pressure in described liquid nitrogen container (1) to make it remain on predetermined value and comprise:
When the force value of described liquid nitrogen container (1) is higher than preset value, open the safety-valve (9) make liquid nitrogen container (1) reduce pressure;
When the force value of described liquid nitrogen container (1) is lower than preset value, open the driving air inlet port in supercharging device (4) and compressed air inlet, the gas nitrogen be transformed by liquid nitrogen in described liquid nitrogen conveying supervisor (5) enters in described supercharging device (4) through described driving air inlet port and described compressed air inlet;
Wherein, the gas nitrogen entered through described driving air inlet port drives supercharging device (4) running as driving source of the gas, the gas nitrogen entered through described compressed air inlet as pressurising medium, and is delivered in described liquid nitrogen container (1) through supercharging gas outlet by after compression supercharging.
10. liquid nitrogen supercharging fireproof fire-extinguishing method according to claim 9, is characterized in that: the surrounding of described liquid nitrogen conveying supervisor (5) is provided with for the auxiliary thermal of electricity (6) to described liquid nitrogen conveying supervisor (5) heat supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510996639.4A CN105464696B (en) | 2015-12-25 | 2015-12-25 | Liquid nitrogen is pressurized fireproof fire-extinguishing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510996639.4A CN105464696B (en) | 2015-12-25 | 2015-12-25 | Liquid nitrogen is pressurized fireproof fire-extinguishing system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105464696A true CN105464696A (en) | 2016-04-06 |
| CN105464696B CN105464696B (en) | 2018-07-06 |
Family
ID=55602801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510996639.4A Active CN105464696B (en) | 2015-12-25 | 2015-12-25 | Liquid nitrogen is pressurized fireproof fire-extinguishing system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105464696B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641718A (en) * | 2017-01-17 | 2017-05-10 | 孔祥旭 | Partial-pressure nitrogen transporting system |
| CN107143748A (en) * | 2017-07-04 | 2017-09-08 | 卢云丽 | A kind of quick oxygen cylinder for rushing oxygen |
| CN112402844A (en) * | 2019-08-23 | 2021-02-26 | 中国石油化工股份有限公司 | Liquid nitrogen foam fire-fighting equipment and foam fire-fighting truck |
| CN116427988A (en) * | 2023-05-31 | 2023-07-14 | 中煤科工集团重庆研究院有限公司 | Gas mine surface drilling fire extinguishing method based on liquid nitrogen filling |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020083736A1 (en) * | 2000-12-28 | 2002-07-04 | Kotliar Igor K. | Mobile firefighting systems with breathable hypoxic fire extinguishing compositions for human occupied environments |
| KR20100033003A (en) * | 2008-09-19 | 2010-03-29 | 지엘에버 주식회사 | Liquefied nitrogen generator utilizable gas fire extinguishing system |
| CN103174452A (en) * | 2013-04-16 | 2013-06-26 | 中国矿业大学 | Liquid nitrogen self-pressurization and inhibition fire extinguishing system |
| CN103539084A (en) * | 2013-10-17 | 2014-01-29 | 山东金宇实业股份有限公司 | Nitrogen system |
| CN203499717U (en) * | 2013-09-25 | 2014-03-26 | 欧科能源技术(天津)有限公司 | Liquid nitrogen fire preventing and extinguishing system |
| CN104747226A (en) * | 2015-03-26 | 2015-07-01 | 神华集团有限责任公司 | Mine liquid nitrogen fire preventing and extinguishing system and using method thereof |
| CN104912585A (en) * | 2015-05-21 | 2015-09-16 | 中国矿业大学 | Liquid nitrogen system and method for nondestructively governing fire area in coal field |
| CN205445661U (en) * | 2015-12-25 | 2016-08-10 | 神华集团有限责任公司 | Liquid nitrogen pressure boost fire extinction/protection system |
-
2015
- 2015-12-25 CN CN201510996639.4A patent/CN105464696B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020083736A1 (en) * | 2000-12-28 | 2002-07-04 | Kotliar Igor K. | Mobile firefighting systems with breathable hypoxic fire extinguishing compositions for human occupied environments |
| KR20100033003A (en) * | 2008-09-19 | 2010-03-29 | 지엘에버 주식회사 | Liquefied nitrogen generator utilizable gas fire extinguishing system |
| CN103174452A (en) * | 2013-04-16 | 2013-06-26 | 中国矿业大学 | Liquid nitrogen self-pressurization and inhibition fire extinguishing system |
| CN203499717U (en) * | 2013-09-25 | 2014-03-26 | 欧科能源技术(天津)有限公司 | Liquid nitrogen fire preventing and extinguishing system |
| CN103539084A (en) * | 2013-10-17 | 2014-01-29 | 山东金宇实业股份有限公司 | Nitrogen system |
| CN104747226A (en) * | 2015-03-26 | 2015-07-01 | 神华集团有限责任公司 | Mine liquid nitrogen fire preventing and extinguishing system and using method thereof |
| CN104912585A (en) * | 2015-05-21 | 2015-09-16 | 中国矿业大学 | Liquid nitrogen system and method for nondestructively governing fire area in coal field |
| CN205445661U (en) * | 2015-12-25 | 2016-08-10 | 神华集团有限责任公司 | Liquid nitrogen pressure boost fire extinction/protection system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641718A (en) * | 2017-01-17 | 2017-05-10 | 孔祥旭 | Partial-pressure nitrogen transporting system |
| CN107143748A (en) * | 2017-07-04 | 2017-09-08 | 卢云丽 | A kind of quick oxygen cylinder for rushing oxygen |
| CN112402844A (en) * | 2019-08-23 | 2021-02-26 | 中国石油化工股份有限公司 | Liquid nitrogen foam fire-fighting equipment and foam fire-fighting truck |
| CN116427988A (en) * | 2023-05-31 | 2023-07-14 | 中煤科工集团重庆研究院有限公司 | Gas mine surface drilling fire extinguishing method based on liquid nitrogen filling |
| CN116427988B (en) * | 2023-05-31 | 2024-01-23 | 中煤科工集团重庆研究院有限公司 | Gas mine surface drilling fire extinguishing method based on liquid nitrogen filling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105464696B (en) | 2018-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105464696A (en) | Liquid-nitrogen pressurizing fireproofing and fire extinguishing system and method | |
| CN104043213B (en) | Electric transmission line mountain fire long-distance high-lift movable-type fire-extinguishing platform | |
| CN104775843B (en) | A kind of liquid nitrogen fireproof fire-extinguishing system and method | |
| CN104197187A (en) | Device and method for filling and unloading liquid ammonia | |
| CN105771115A (en) | Forest fire extinguishing method with water extinguishing agents added into helicopter | |
| CN113007596A (en) | Hydrogen filling system and hydrogenation station | |
| CN101526047A (en) | Engine fuel supplying technique of liquefied natural gas vehicles (LNGV) | |
| CN104641164A (en) | Method for performing a pressure test on a tank and tank filling apparatus | |
| CN111129544A (en) | Hydrogen supply system applied to hydrogen fuel cell automobile and hydrogen fuel cell automobile | |
| CN205445661U (en) | Liquid nitrogen pressure boost fire extinction/protection system | |
| CN105484787A (en) | Coal-mine liquid-nitrogen fire-prevention cooling system and method | |
| CN104747226A (en) | Mine liquid nitrogen fire preventing and extinguishing system and using method thereof | |
| CN102556186A (en) | Tank-type semi-trailer of high and medium pressure gases | |
| CN211530087U (en) | Hydrogen supply system applied to hydrogen fuel cell automobile and hydrogen fuel cell automobile | |
| CN210963669U (en) | Vehicular nitrogen-making fire extinguishing device | |
| CN112412526A (en) | Coal mine gas and fire disaster co-treatment system and use method thereof | |
| CN103742786A (en) | Vehicle liquefied gas impact safety system | |
| CN203686577U (en) | Liquefied gas and fuel gas impact safety system for vehicle | |
| CN103574282A (en) | Nitrogen charging device | |
| CN101328817A (en) | Drive air source circulating system for air power engine | |
| CN203488977U (en) | Nitrogen charging device | |
| CN203944053U (en) | The high-lift portable fire extinguishing platform of the long distance of a kind of transmission line forest fire | |
| CN202983004U (en) | Forest fire-fighting fire truck with high-pressure water conveyance system | |
| CN206252755U (en) | A kind of vehicle-mounted compressed air foam fire-extinguishing apparatus | |
| CN102961839A (en) | Forest fire fighting truck with high-pressure water conveyance system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |