CN213871252U

CN213871252U - Nitrogen automatic fire extinguishing low-leakage high-sealing safety valve

Info

Publication number: CN213871252U
Application number: CN202023065850.XU
Authority: CN
Inventors: 吴鹏飞
Original assignee: Shenzhen Zhuoan Fire Fighting Equipment Co ltd
Current assignee: Shenzhen Zhuoan Fire Fighting Equipment Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-08-03
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a nitrogen gas automatic fire extinguishing hangs down lets out high relief valve, including air guide post, outer housing, coupling nut, flange, connection mouth, horizontal pipe, vertical pipe, three-way section of thick bamboo, manometer, spring leaf, sliding door and interior clamp plate. The utility model has the advantages that: the inside gaseous circulation of this relief valve is made things convenient for to the air guide post, conveniently confirm the inside pressure condition so that in time do the adjustment, horizontal pipe, the leakproofness that this relief valve is connected is guaranteed to vertical pipe and tee bend, and guarantee the security that this relief valve can lose heart, guarantee the balance of inside pressure, the manometer conveniently observes the inside pressure condition of this relief valve directly perceivedly, so that operating personnel observes and intervenes whole process, the spring leaf reduces the impact vibrations of the inside gas flow of this relief valve to this air guide post, prolong its life, the interior clamp plate loses heart automatically, and manually operation mode provides artificial intervention's way.

Description

Nitrogen automatic fire extinguishing low-leakage high-sealing safety valve

Technical Field

The utility model relates to a relief valve specifically is a nitrogen gas automatic fire extinguishing hangs down lets out high relief valve belongs to fire-fighting equipment technical field.

Background

The safety valve is a special valve which is in a normally closed state under the action of external force, when the pressure of a medium in equipment or a pipeline rises to exceed a specified value, the medium pressure in the pipeline or the equipment is prevented from exceeding the specified value by discharging the medium to the outside of the system, belongs to the automatic valve class, is mainly used for boilers, pressure vessels and pipelines, controls the pressure to be not more than the specified value, and plays an important role in protecting personal safety and equipment operation.

Although the relief valve uses comparatively extensively, it still has some problems in the in-service use process, one of them, the gas is revealed to the upper reaches in fire extinguishing system to current relief valve and can not make fine solution, and inside gas can lead to the fact certain atmospheric pressure to assault to the relief valve pipeline, its two, the atmospheric pressure condition in the pipeline can not be observed to current relief valve majority, consequently, can't in time control inside atmospheric pressure, its three, the exhaust process all passes through artificial manual operation in a lot of steps down of current relief valve, comparatively waste time energy, the cost of labor is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a nitrogen automatic fire extinguishing low-leakage high-sealing safety valve for solving the problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a low-leakage high-sealing safety valve for nitrogen automatic fire extinguishing comprises a gas guide column, an outer casing, a connecting nut, a connecting flange, a connecting nozzle, a transverse pipe, a vertical pipe, a three-way cylinder, a pressure gauge, a spring piece, a sliding door and an inner pressure plate; the utility model discloses a horizontal pipe of air guide post, including the shell, the shell is equipped with the connecting nut, the air guide post runs through to be installed in the shell, and is located the below of manometer, the shell is the cylindric structure of class and fixes at the connecting nut inboard, connecting nut installs in the outside of shell, and is located flange's top, flange fixes between connecting nut and the tee bend section of thick bamboo, the one end at horizontal pipe is fixed to the connector lug, the below at the tee bend section of thick bamboo is installed to vertical pipe, the top at horizontal pipe is fixed in the integration of tee bend section of thick bamboo, the top at the air guide post is installed to the manometer, the spring leaf is evenly installed in the shell and is fixed on the inside bottom surface of shell, the sliding door is established on the side of shell, the inside at this horizontal pipe is fixed to the inner clamp plate.

Preferably, in order to facilitate the circulation of the gas inside the safety valve and conveniently determine the pressure condition inside the safety valve so as to adjust the pressure condition in time, the gas guide column is of a hollow tubular structure and penetrates through the outer housing, the bottom end of the gas guide column is connected with the outer housing, a round hole is formed in the bottom surface of the outer housing, and the aperture of the round hole is the same as that of the gas guide column.

Preferably, in order to guarantee the leakproofness that this relief valve is connected, and guarantee the security that this relief valve can lose heart, guarantee the balance of internal pressure, the pipeline connection structure of this relief valve is constituteed jointly to horizontal pipe, vertical pipe and three-way section of thick bamboo, and horizontal pipe one end is equipped with the connection mouth, and the other end is equipped with the mouth that loses heart, and horizontal pipe is the welding with three-way section of thick bamboo.

Preferably, in order to conveniently and intuitively observe the pressure condition inside the safety valve so that an operator can observe and intervene the whole process, the pressure gauge is installed above the air guide column through a screw, and the bottom end of the pressure gauge is connected with the upper end of the air guide column through a pipeline.

Preferably, in order to reduce the impact shock of the gas flow in the safety valve to the gas guide column and prolong the service life of the safety valve, the spring piece is wrapped on the outer side of the gas guide column, and the bottom end of the spring piece is welded on the bottom surface in the outer casing.

Preferably, in order to realize the automatic exhaust, the folding stress of the inner pressure plate is set as the force generated by a fixed safe air pressure, when the air pressure is exceeded, the inner pressure plate is automatically deflated, and the manual operation mode provides a way for human intervention, the inner pressure plate is fixed on the inner side of the transverse pipe close to the deflation port in an internal hinge mode, and the manual control switch of the inner pressure plate is installed on the outer side of the transverse pipe and is positioned right above the inner pressure plate.

The utility model has the advantages that: the nitrogen automatic fire-extinguishing low-pressure-release high-sealing safety valve is reasonable in design, the gas guide column is of a hollow tubular structure and penetrates through the outer casing, the bottom end of the gas guide column is connected with the outer casing, the bottom surface of the outer casing is provided with a round hole, the aperture of the round hole is the same as that of the gas guide column, the circulation of gas in the safety valve is facilitated, the internal pressure condition is conveniently determined so as to be timely adjusted, the transverse pipe, the vertical pipe and the three-way cylinder form a pipeline connecting structure of the safety valve, one end of the transverse pipe is provided with a connecting nozzle, the other end of the transverse pipe is provided with a gas release port, the transverse pipe and the three-way cylinder are welded so as to ensure the connection tightness of the safety valve, the safety of the safety valve capable of releasing gas is ensured, the balance of the internal pressure is ensured, the pressure gauge is installed above the gas guide column through screws, the bottom end of the pressure gauge is in pipeline connection with the upper end of the gas guide column, the pressure condition in the safety valve is conveniently and visually observed so that an operator can observe and intervene the whole process, the spring leaf parcel is in the outside of air guide post, and its bottom welding is on the inside bottom surface of encloser, reduce the inside gas flow of this relief valve to the impact vibrations of this air guide post, prolong its life, the inside clamp plate is fixed at the inboard that the horizontal pipe is close to the mouth that loses heart through interior articulated mode, and its manual control switch installs in the horizontal outside of managing, be located the interior clamp plate directly over, realize its self-bleeding, turn over the book stress of interior clamp plate and set for the produced power of a fixed safe atmospheric pressure, when exceeding this atmospheric pressure, carry out automatic disappointing, and the manual operation mode provides artificial intervention's way.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the front view structure of the present invention.

In the figure: 1. the gas guide column comprises a gas guide column 2, an outer housing, 3, a connecting nut 4, a connecting flange 5, a connecting nozzle 6, a transverse pipe 7, a vertical pipe 8, a tee cylinder 9, a pressure gauge 10, a spring piece 11, a sliding door 12 and an inner pressing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a nitrogen automatic fire extinguishing low-leakage high-sealing safety valve comprises a gas guiding column 1, an outer casing 2, a connecting nut 3, a connecting flange 4, a connecting nozzle 5, a transverse pipe 6, a vertical pipe 7, a three-way cylinder 8, a pressure gauge 9, a spring plate 10, a sliding door 11 and an inner pressure plate 12; the utility model discloses a horizontal pipe of air guide post, including leading gas post 1, connecting nut 3, tee bend 8, manometer 9, connecting nozzle 5, spring leaf 10, air guide post 1 runs through to be installed in outer housing 2, and is located the below of manometer 9, outer housing 2 is the cylindric structure of class and fixes at connecting nut 3 inboardly, connecting nut 3 installs in the outside of outer housing 2, and is located connecting flange 4's top, connecting flange 4 is fixed between connecting nut 3 and tee bend 8, connecting nozzle 5 fixes the one end at horizontal pipe 6, vertical pipe 7 is installed in the below of tee bend 8, the top at horizontal pipe 6 is fixed in the integration of tee bend 8, manometer 9 is installed in air guide post 1's top, spring leaf 10 evenly installs in the inside of outer housing 2 and fixes on the inside bottom surface of outer housing 2, sliding door 11 establishes on the side of outer housing 2, interior clamp plate 12 is fixed in the inside of this horizontal pipe 6.

The gas guide column 1 is a hollow tubular structure and penetrates through the outer casing 2, the bottom end of the gas guide column is connected with the outer casing 2, a round hole is formed in the bottom surface of the outer casing 2, the aperture of the round hole is the same as that of the gas guide column 1, the gas inside the safety valve can be conveniently circulated, the internal pressure condition can be conveniently determined so as to be conveniently adjusted in time, the transverse pipe 6, the vertical pipe 7 and the three-way cylinder 8 form a pipeline connecting structure of the safety valve together, one end of the transverse pipe 6 is provided with a connecting nozzle 5, the other end of the transverse pipe is provided with a gas release port, the transverse pipe 6 and the three-way cylinder 8 are welded, the sealing performance of the connection of the safety valve is ensured, the safety of the safety valve, the balance of the internal pressure is ensured, the pressure gauge 9 is installed above the gas guide column 1 through screws, the bottom end of the pressure gauge is in pipeline connection with the upper end of the gas guide column 1, the pressure condition inside the safety valve can be conveniently and visually observed, so that an operator can observe and intervene the whole process, spring leaf 10 parcel is in the outside of air guide post 1, and its bottom welding is on the inside bottom surface of encloser 2, reduces the inside gas flow of this relief valve and to the impact vibrations of this air guide post 1, prolongs its life, interior clamp plate 12 is fixed at horizontal pipe 6 through interior articulated mode and is close to the inboard of losing heart mouthful, and its manual control switch installs in horizontal pipe 6 outside, is located interior clamp plate 12 directly over, realizes its self-bleeding, turns over the book stress of interior clamp plate 12 and sets for the produced power of a fixed safe atmospheric pressure, when exceeding this atmospheric pressure, carries out automatic disappointing, and the manual operation mode provides artificial intervention's way.

The working principle is as follows: when using this nitrogen gas automatic fire extinguishing to let out high relief valve of letting out, install the device's vertical pipe 7 on the structure of putting out a fire at first, then close sliding door 11, during operating condition, pressurize 5min when 6.6MPa when this relief valve inside atmospheric pressure does not have and reveals, when being higher than 6.6MPa, its produced atmospheric pressure can be opened interior clamp plate 12 and carry out automatic disappointing, keep inside atmospheric pressure stable can, also can observe the registration change of manometer 9 constantly, artificially control it and lose heart.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a nitrogen gas automatic fire extinguishing hangs down lets out high relief valve which characterized in that: the device comprises an air guide column (1), an outer housing (2), a connecting nut (3), a connecting flange (4), a connecting nozzle (5), a transverse pipe (6), a vertical pipe (7), a three-way cylinder (8), a pressure gauge (9), a spring leaf (10), a sliding door (11) and an inner pressure plate (12); the air guide column (1) is installed in the outer housing (2) in a penetrating mode and located below the pressure gauge (9), the outer housing (2) is of a similar cylindrical structure and fixed on the inner side of the connecting nut (3), the connecting nut (3) is installed on the outer side of the outer housing (2) and located above the connecting flange (4), the connecting flange (4) is fixed between the connecting nut (3) and the three-way cylinder (8), the connecting nozzle (5) is fixed at one end of the transverse pipe (6), the vertical pipe (7) is installed below the three-way cylinder (8), the three-way cylinder (8) is integrally fixed above the transverse pipe (6), the pressure gauge (9) is installed above the air guide column (1), the spring pieces (10) are uniformly installed inside the outer housing (2) and fixed on the bottom face inside the outer housing (2), and the outer sliding door (11) is arranged on the side face of the outer housing (2), the inner pressure plate (12) is fixed inside the transverse pipe (6).

2. The nitrogen automatic fire extinguishing low-leakage high-sealing safety valve as claimed in claim 1, wherein: the air guide column (1) is of a hollow tubular structure and penetrates through the outer housing (2), the bottom end of the air guide column is connected with the outer housing (2), a round hole is formed in the bottom surface of the outer housing (2), and the aperture of the air guide column is the same as that of the air guide column (1).

3. The nitrogen automatic fire extinguishing low-leakage high-sealing safety valve as claimed in claim 1, wherein: the pipeline connecting structure of the safety valve is composed of the transverse pipe (6), the vertical pipe (7) and the three-way cylinder (8) together, one end of the transverse pipe (6) is provided with a connecting nozzle (5), the other end of the transverse pipe is provided with an air leakage opening, and the transverse pipe (6) and the three-way cylinder (8) are welded.

4. The nitrogen automatic fire extinguishing low-leakage high-sealing safety valve as claimed in claim 1, wherein: the pressure gauge (9) is installed above the gas guide column (1) through a screw, and the bottom end of the pressure gauge is connected with the upper end of the gas guide column (1) through a pipeline.

5. The nitrogen automatic fire extinguishing low-leakage high-sealing safety valve as claimed in claim 1, wherein: the spring piece (10) is wrapped on the outer side of the air guide column (1), and the bottom end of the spring piece is welded on the bottom surface inside the outer housing (2).

6. The nitrogen automatic fire extinguishing low-leakage high-sealing safety valve as claimed in claim 1, wherein: the inner pressing plate (12) is fixed on the inner side, close to the air leakage opening, of the transverse pipe (6) in an inner hinged mode, and the manual control switch of the inner pressing plate is installed on the outer side of the transverse pipe (6) and located right above the inner pressing plate (12).