CN215653519U - Nitrogen injection and oxygen control active fire prevention system for cave depot type ammunition depot - Google Patents

Nitrogen injection and oxygen control active fire prevention system for cave depot type ammunition depot Download PDF

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Publication number
CN215653519U
CN215653519U CN202120447491.XU CN202120447491U CN215653519U CN 215653519 U CN215653519 U CN 215653519U CN 202120447491 U CN202120447491 U CN 202120447491U CN 215653519 U CN215653519 U CN 215653519U
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CN
China
Prior art keywords
oxygen
nitrogen
detection sensor
way valve
pressure relief
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Expired - Fee Related
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CN202120447491.XU
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Chinese (zh)
Inventor
马奕炜
朱国栋
吴飞
罗飞
王健琪
张利亚
尹彤
陈丹
肖明星
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63921 Troops of PLA
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63921 Troops of PLA
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Priority to CN202120447491.XU priority Critical patent/CN215653519U/en
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Publication of CN215653519U publication Critical patent/CN215653519U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a nitrogen injection and oxygen control active fire protection system for a cave depot type ammunition depot, which comprises oxygen and nitrogen separation equipment, a gas component detection sensor, a temperature detection sensor and information processing control equipment, wherein the oxygen and nitrogen separation equipment is used for detecting the oxygen and nitrogen content of ammunition; the nitrogen output end of the oxygen-nitrogen separation device is connected with the gas inlet end of the airtight one-way valve, the gas outlet end of the airtight one-way valve is connected into the protection space, the gas component detection sensor and the temperature detection sensor are arranged in the protection space, the signal output ends of the gas component detection sensor and the temperature detection sensor are connected with the information processing control device, and the information processing control device controls the temperature reduction device connected with the oxygen-nitrogen separation device and the protection space; the oxygen content is low by supplying nitrogen to the protective area through the oxygen-nitrogen separation equipment, so that fire disasters are restrained; the airtight one-way valve is arranged to prevent air from flowing back to cause the change of the oxygen content caused by the outflow of air with low oxygen content in the protection space, so that the low-oxygen environment is disabled.

Description

Nitrogen injection and oxygen control active fire prevention system for cave depot type ammunition depot
Technical Field
The utility model relates to the technical field of ammunition storage, in particular to a nitrogen injection and oxygen control active fire protection system for a cave depot type ammunition depot.
Background
The strategic cave depot is an important place for intercepting, concentrating, storing and upgrading tests of the bullet of our army, provides important guarantee for strategic striking of our army, and has important military and political significance on safety. The strategic missile is a high-risk, inflammable and explosive article, and during the storage process, once a fire disaster happens inside and outside the warehouse, the safety of the ammunition in the whole warehouse is seriously threatened, if the fire disaster is not timely or improper to dispose, the explosion of the ammunition in the cave is easily caused, the life safety of personnel in the warehouse and around the warehouse area is seriously threatened, the strategic hitting capability of our army is damaged, the great loss is caused to the national property, and the great social negative influence is generated.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the defects in the prior art, the utility model provides a nitrogen-injecting oxygen-controlling active fire protection system for a cave depot type ammunition depot, which can effectively and actively inhibit the occurrence of fire.
The technical scheme is as follows: in order to achieve the aim, the nitrogen injection and oxygen control active fire protection system for the cave-vault type ammunition vault comprises an oxygen-nitrogen separation device, a gas component detection sensor, a temperature detection sensor and an information processing control device; the nitrogen output end of the oxygen-nitrogen separation equipment is connected to the air inlet end of the airtight one-way valve, the air outlet end of the airtight one-way valve is connected into the protection space, the gas component detection sensor and the temperature detection sensor are arranged in the protection space, the signal output ends of the gas component detection sensor and the temperature detection sensor are connected to the information processing control equipment, and the information processing control equipment is controlled and connected to cooling equipment in the oxygen-nitrogen separation equipment and the protection space.
Further, the airtight one-way valve comprises a gas pipe, a double-thread notch and a one-way valve; the air outlet end of the air conveying pipe is connected with the protection space, and the air inlet end of the air conveying pipe is connected with the double-thread notch; the double-thread groove opening inner ring is provided with inner pipe threads, the double-thread groove opening outer ring is provided with outer pipe threads, and an annular sealing gasket is arranged at the bottom of the double-thread groove opening.
Further, the one-way valve comprises a pressure relief plate, a top cylinder, a rear top seat and a spring; the pressure relief plate is plugged at the air inlet end of the one-way valve and provided with a separable pressure relief sheet; the rear top seat is arranged in the one-way valve; the two ends of the top barrel are respectively connected with the pressure relief plate and the rear top seat, the side wall of the top barrel is provided with an air release port, the inner diameter of the top barrel is equal to the diameter of the pressure relief piece, and the top barrel is buckled on the pressure relief piece; the spring is arranged inside the top cylinder.
Furthermore, a push rod is arranged on one side of the pressure relief sheet facing the interior of the one-way valve, and a conical push block is arranged at the end part of the push rod penetrating through the rear top seat; the outer ring of the conical push block is correspondingly provided with a spring ring; the spring ring is of a C-shaped structure; the spring ring outer lane is corresponding to the elastic tube of back grafting in the gas-supply pipe, the elastic tube outer lane is equipped with metal elasticity expansion circle, metal elasticity expansion circle is corresponding to circuit metal switch, circuit metal switch control is connected in the cylinder, the ejecting terminal of cylinder corresponds to two screw thread notches.
Has the advantages that: the nitrogen injection and oxygen control active fire protection system for the cave depot type ammunition depot can effectively and actively inhibit the generation of fire, and comprises the following technical effects:
1) the oxygen content is low by supplying nitrogen to the protective area through the oxygen-nitrogen separation equipment, so that fire disasters are restrained;
2) the airtight one-way valve is arranged to prevent air from flowing back to cause the change of the oxygen content caused by the outflow of air with low oxygen content in the protection space, so that the low-oxygen environment is disabled.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a diagram of the double threaded slot of the present invention;
fig. 3 is a view showing the construction of the airtight check valve of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in figures 1-3: a nitrogen injection and oxygen control active fire protection system for cave depot type ammunition depot comprises an oxygen-nitrogen separation device 11, a gas component detection sensor 12, a temperature detection sensor 13 and an information processing control device 15; the nitrogen output end of the oxygen-nitrogen separation device 11 is connected to the gas inlet end of a gas-tight one-way valve, the gas outlet end of the gas-tight one-way valve is connected to the protective space 14, the gas component detection sensor 12 and the temperature detection sensor 13 are arranged in the protective space 14, the signal output ends of the gas component detection sensor 12 and the temperature detection sensor 13 are connected to an information processing control device 15, and the information processing control device 15 controls the temperature reduction device connected to the oxygen-nitrogen separation device 11 and the protective space 14; the oxygen-nitrogen separation apparatus 11 produces nitrogen by membrane separation, and delivers the nitrogen into the guard space 14, and when the gas component detection sensor 12 detects that the oxygen content inside the guard space 14 is more than 16%, the information processing control apparatus 15 starts the oxygen-nitrogen separation apparatus 11 to supply nitrogen into the guard space 14, and when the gas component detection sensor 12 detects that the oxygen content inside the guard space 14 is less than 14%, the information processing control apparatus 15 turns off the oxygen-nitrogen separation apparatus 11; when the oxygen content in the protective space 14 is 14-16%, personnel can perform normal activities and inhibit flame combustion, so that fire disasters are actively avoided; when the temperature detection sensor 13 detects that the temperature of the protection space 14 reaches a set value, the information processing control device 15 starts a cooling device to cool the interior of the protection space 14; meanwhile, the information processing and controlling equipment 15 can be equipped with a display screen, and displays the monitored information such as temperature, humidity, oxygen concentration and carbon dioxide concentration, so that workers can know the environmental state of the protection area conveniently.
The airtight one-way valve comprises an air conveying pipe 21, a double-thread notch 22 and a one-way valve; the air outlet end of the air conveying pipe 21 is connected with the protection space 14, and the air inlet end of the air conveying pipe 21 is connected with the double-thread notch 22; an inner pipe thread 221 is arranged on the inner ring of the double-thread notch 22, an outer pipe thread 222 is arranged on the outer ring of the double-thread notch 22, and an annular sealing washer 223 is arranged on the bottom of the double-thread notch 22; the nitrogen output end of the oxygen-nitrogen separation device 11 can be an internal thread interface or an external thread interface, and can also be internally and externally provided with threads, so that the threaded interface is butted on the double-thread notch 22, and the sealing performance is further enhanced through an annular sealing gasket 223.
The check valve comprises a pressure relief plate 231, a top barrel 232, a rear top seat 233 and a spring 234; the pressure relief plate 231 is sealed at the air inlet end of the one-way valve, and the pressure relief plate 231 is provided with a separable pressure relief sheet 235; the rear top seat 233 is arranged inside the one-way valve; two ends of the top barrel 232 are respectively connected with the pressure relief plate 231 and the rear top seat 233, the side wall of the top barrel 232 is provided with an air release opening 236, the inner diameter of the top barrel 232 is equal to the diameter of the pressure relief plate 235, and the top barrel 232 is buckled on the pressure relief plate 235; the spring 234 is arranged inside the top cylinder 232; when the nitrogen output end of the oxygen-nitrogen separation device 11 reaches a certain pressure, the pressure relief piece 235 is pushed to compress the spring 234, nitrogen enters the one-way valve, and the change of the oxygen content caused by the outflow of air with low oxygen content in the protection space 14 due to the backflow of gas is avoided, so that the failure of the low-oxygen environment is caused.
A push rod 31 is arranged on one side of the pressure relief sheet 235 facing the interior of the one-way valve, and a conical push block 32 is arranged at the end part of the push rod 31 penetrating through the rear top seat 233; the outer ring of the conical push block 32 is correspondingly provided with a spring ring 33; the spring ring 33 is of a C-shaped structure; the outer ring of the spring ring 33 corresponds to an elastic tube 331 connected with the air delivery tube 21 at the rear, the outer ring of the elastic tube 331 is provided with a metal elastic expansion ring 332, the metal elastic expansion ring 332 corresponds to a circuit metal switch 34, the circuit metal switch 34 is controlled to be connected with an air cylinder 35, and the ejection end of the air cylinder 35 corresponds to the double-thread notch 22; the pressure relief sheet 235 drives the push rod 31 when retreating under the action of air pressure, the conical tip part of the conical push block 32 extends into the spring ring 33 and gradually expands the spring ring 33, the elastic tube 331 acts on the metal elastic expansion ring 332, the metal elastic expansion ring 332 expands and is connected to the circuit metal switch 34, the circuit metal switch 34 is powered on to open the air cylinder 35, and the ejection end of the air cylinder 35 compresses the double-thread notch 22 to further improve the air tightness of the interface.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.

Claims (4)

1. A annotate nitrogen accuse oxygen initiative fire protection system for cave depot type ammunition storehouse which characterized in that: comprises an oxygen-nitrogen separation device (11), a gas component detection sensor (12), a temperature detection sensor (13) and an information processing control device (15); the nitrogen output end of oxygen and nitrogen splitter (11) is connected in the inlet end of airtight check valve, the end of giving vent to anger of airtight check valve inserts protective space (14), gas composition detection sensor (12) and temperature detection sensor (13) are located in protective space (14), the signal output part of gas composition detection sensor (12) and temperature detection sensor (13) is connected in information processing control equipment (15), information processing control equipment (15) control connection is in the cooling device in oxygen and nitrogen splitter (11) and protective space (14).
2. The nitrogen-injection oxygen-control active fire protection system for cave depot type ammunition depots according to claim 1, characterized in that: the airtight one-way valve comprises an air conveying pipe (21), a double-thread notch (22) and a one-way valve; the air outlet end of the air conveying pipe (21) is connected to the protection space (14), and the air inlet end of the air conveying pipe (21) is connected to the double-thread notch (22); the double thread notch (22) inner circle is equipped with inner tube screw thread (221), double thread notch (22) outer lane is equipped with outer tube screw thread (222), double thread notch (22) tank bottom is equipped with annular seal ring (223).
3. The nitrogen-filled and oxygen-controlled active fire protection system for cave depot type ammunition depots according to claim 2, characterized in that: the one-way valve comprises a pressure relief plate (231), a top cylinder (232), a rear top seat (233) and a spring (234); the pressure relief plate (231) is arranged at the air inlet end of the one-way valve in a sealing mode, and the pressure relief plate (231) is provided with a separable pressure relief sheet (235); the rear top seat (233) is arranged inside the one-way valve; the two ends of the top cylinder (232) are respectively connected with the pressure relief plate (231) and the rear top seat (233), the side wall of the top cylinder (232) is provided with an air leakage opening (236), the inner diameter of the top cylinder (232) is equal to the diameter of the pressure relief plate (235), and the top cylinder (232) is buckled on the pressure relief plate (235); the spring (234) is arranged inside the top cylinder (232).
4. The nitrogen-filled and oxygen-controlled active fire protection system for cave depot type ammunition depots according to claim 3, characterized in that: a push rod (31) is arranged on one side of the pressure relief sheet (235) facing the interior of the one-way valve, and a conical push block (32) is arranged at the end part of the push rod (31) penetrating through the rear top seat (233); the outer ring of the conical push block (32) is correspondingly provided with a spring ring (33); the spring ring (33) is of a C-shaped structure; spring ring (33) outer lane is corresponding to elastic tube (331) of back-joining in air-supply pipe (21), elastic tube (331) outer lane is equipped with metal elasticity expansion circle (332), metal elasticity expansion circle (332) are corresponding to circuit metal switch (34), circuit metal switch (34) control connection is in cylinder (35), the ejecting terminal of cylinder (35) corresponds to double thread notch (22).
CN202120447491.XU 2021-03-02 2021-03-02 Nitrogen injection and oxygen control active fire prevention system for cave depot type ammunition depot Expired - Fee Related CN215653519U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120447491.XU CN215653519U (en) 2021-03-02 2021-03-02 Nitrogen injection and oxygen control active fire prevention system for cave depot type ammunition depot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120447491.XU CN215653519U (en) 2021-03-02 2021-03-02 Nitrogen injection and oxygen control active fire prevention system for cave depot type ammunition depot

Publications (1)

Publication Number Publication Date
CN215653519U true CN215653519U (en) 2022-01-28

Family

ID=79968894

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120447491.XU Expired - Fee Related CN215653519U (en) 2021-03-02 2021-03-02 Nitrogen injection and oxygen control active fire prevention system for cave depot type ammunition depot

Country Status (1)

Country Link
CN (1) CN215653519U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220128

CF01 Termination of patent right due to non-payment of annual fee