CN220168674U - Fire-retardant breather valve resistant to long-time combustion - Google Patents

Fire-retardant breather valve resistant to long-time combustion Download PDF

Info

Publication number
CN220168674U
CN220168674U CN202321738072.7U CN202321738072U CN220168674U CN 220168674 U CN220168674 U CN 220168674U CN 202321738072 U CN202321738072 U CN 202321738072U CN 220168674 U CN220168674 U CN 220168674U
Authority
CN
China
Prior art keywords
fire
fixedly connected
long
retardant
component
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.)
Active
Application number
CN202321738072.7U
Other languages
Chinese (zh)
Inventor
陆晓峰
朱晓磊
刘杨
李明轩
凌祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Tech University
Original Assignee
Nanjing Tech University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing Tech University filed Critical Nanjing Tech University
Priority to CN202321738072.7U priority Critical patent/CN220168674U/en
Application granted granted Critical
Publication of CN220168674U publication Critical patent/CN220168674U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Feeding And Controlling Fuel (AREA)

Abstract

The utility model relates to the technical field of breather valves, in particular to a long-time combustion fire-resistant breather valve, which comprises an outer cylinder body and a cylinder, wherein a first connecting flange is fixedly sleeved at the top of the outer cylinder body, a second connecting flange is fixedly sleeved at the bottom of the cylinder, the first connecting flange and the second connecting flange are fixedly connected through fixing bolts, a fixing frame is fixedly connected to the inside of the cylinder, a fire-resistant component is fixedly connected to the top of the fixing frame, the fire-resistant component comprises a fire-resistant disc, and through holes are formed in the top of the fire-resistant disc at equal intervals in circumference. According to the utility model, as the fire retardant component is arranged at the top of the outer cylinder body and the breathing valve component is arranged above the outer cylinder body, the fire retardant component is not always contacted with oil gas media, so that the problem that holes are blocked due to the fact that oil gas is condensed on a fire retardant disc after long-term contact is avoided, ventilation and fire retardant effects are affected, and meanwhile, the daily maintenance workload of a breathing valve product is reduced.

Description

Fire-retardant breather valve resistant to long-time combustion
Technical Field
The utility model relates to the technical field of breather valves, in particular to a long-time combustion-resistant fire-retarding breather valve.
Background
The breather valve is a safe and energy-saving product for maintaining the air pressure balance of the storage tank and reducing the volatilization of the medium, and the breather valve fully utilizes the pressure bearing capacity of the storage tank to reduce the discharge of the medium, and the principle is that the weight of a positive and negative pressure valve disc is utilized to control the positive exhaust pressure and the negative suction pressure of the storage tank; when the medium is pumped out of the tank, the pressure of the upper gas space in the tank is reduced, and when the operation negative pressure of the breather valve is reached, the negative pressure valve disc of the breather valve is jacked up by the atmosphere outside the tank, so that the external gas enters the tank, the pressure in the tank is not reduced continuously, and the pressure in the tank and the pressure outside the tank are balanced, so that the safety device of the storage tank is protected.
In the prior art, the fire-retardant component is generally arranged on the side edge of the breather valve, the oil gas medium can be always contacted with the fire-retardant component, even when the fire-retardant component is not used, the phenomenon of contact between the oil gas and the fire-retardant component can occur, the fire-retardant effect is affected, the fire-retardant component is arranged at the top of the breather valve in a certain amount, but the existing breather valve is mainly arranged in an integrated valve core, when in air suction or air exhaust, the oil gas medium can be contacted with the fire-retardant component, and the fire-retardant component does not have the function of long-term combustion resistance.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a long-term combustion fire-resistant breather valve, which solves the problems that in the prior art, a fire-resistant component is generally arranged on the side edge of the breather valve, an oil gas medium can be always contacted with the fire-resistant component, the phenomenon that oil gas is contacted with the fire-resistant component can occur even when the breather valve is not used, the fire-resistant effect is influenced, and the fire-resistant component is arranged at the top of the breather valve, but the conventional breather valve is mostly arranged in an integrated valve core, and when in air suction or air exhaust, the oil gas medium is contacted with the fire-resistant component, so that the fire-resistant component does not have the long-term combustion function.
In order to solve the technical problems, the utility model provides the following technical scheme: the long-time combustion resistant fire-retarding breather valve comprises an outer cylinder body and a cylinder, wherein a first connecting flange is fixedly sleeved on the top of the outer cylinder body, a second connecting flange is fixedly sleeved on the bottom of the cylinder, and the first connecting flange is fixedly connected with the second connecting flange through a fixing bolt;
a fixing frame is fixedly connected to the inside of the cylinder, and a fire-retarding component is fixedly connected to the top of the fixing frame;
the fire-retardant assembly comprises a fire-retardant plate, wherein the top of the fire-retardant plate is provided with through holes at equal intervals along the circumference;
the top of the inner part of the outer cylinder body is provided with an upper sealing cavity, the inner part of the upper sealing cavity is fixedly connected with a calling valve component, and the calling valve component is arranged close to the fire retardant component.
Further, a sealing piece is connected between the first connecting flange and the second connecting flange, and the sealing piece is a tetrafluoro gasket.
Further, the fixing frame is a triangular support frame, and the bottom of the fire-retardant tray is abutted to the top of the triangular support frame.
Further, the inside middle part fixedly connected with bracing piece of mount, the top of bracing piece runs through the fire-retardant dish and extends to the top of drum, the top cover of bracing piece surface is equipped with the protection subassembly, the top thread bush of bracing piece is equipped with rings, the bottom butt of rings is at the top of protection subassembly.
Further, a lower sealing cavity is arranged at the bottom of the inner part of the outer cylinder body, and a suction valve assembly is fixedly connected to the inner part of the lower sealing cavity.
Further, the cavity openings of the upper sealing cavity and the lower sealing cavity are arranged in a staggered mode.
Further, the bottom of the outer cylinder is fixedly connected with a sealing head, and the bottom of the sealing head is fixedly connected with a connecting pipe.
Further, the bottom of the connecting pipe is fixedly connected with a lower flange which is fixedly connected to the storage tank.
By means of the technical scheme, the utility model provides the long-time combustion-resistant fire-retarding breather valve, which has at least the following beneficial effects:
1. this fire-retardant breather valve of resistant long-time burning, because the fire-retardant subassembly sets up the top at outer barrel, will breathe the valve subassembly setting in the top of outer barrel simultaneously, the fire-retardant subassembly can often not contact with the oil gas medium like this, has avoided oil gas to contact on the fire-retardant dish for a long time to condense, leads to the hole to block, influences ventilation volume and fire-retardant effect, has also reduced the daily maintenance work load of breather valve product simultaneously.
2. This fire-retardant breather valve of resistant long-term burning sets up the fire-retardant dish and is close to the atmosphere side at this breather valve, in daily use, does not contact with the oil gas medium, only just the oil gas medium of contact when the exhaust, has avoided the long-term contact of oil gas to condense on the fire-retardant dish, can reduce the oil gas to the degree of fouling of fire-retardant subassembly, improves its life.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model, illustrate and together with the description serve to explain a part of the utility model:
FIG. 1 is a bottom view of the structure of the present utility model;
FIG. 2 is a top view of the structure of the present utility model;
FIG. 3 is a schematic view of the structure of the utility model at B-B in FIG. 2;
FIG. 4 is a top view of the cylinder and shield assembly configuration of the present utility model;
FIG. 5 is a top view of the protective assembly structure of the present utility model;
FIG. 6 is a schematic view of the cylinder and firestop assembly of the present utility model;
FIG. 7 is a schematic view of a fire retardant assembly according to the present utility model.
In the figure: 1. an outer cylinder; 2. a cylinder; 3. a first connection flange; 4. a second connection flange; 5. a seal; 6. a fixing frame; 7. a firestop assembly; 701. a firestop tray; 702. a hole; 8. a support rod; 9. a protective assembly; 10. a hanging ring; 11. a lower sealed cavity; 12. an upper sealed cavity; 13. a suction valve assembly; 14. a calling valve assembly; 15. a seal head; 16. connecting pipe; 17. and a lower flange.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in figures 1, 2 and 3, the fire-retarding breather valve resistant to long-time combustion comprises an outer cylinder body 1 and a cylinder 2, wherein a first connecting flange 3 is fixedly sleeved on the top of the outer cylinder body 1, a second connecting flange 4 is fixedly sleeved on the bottom of the cylinder 2, the first connecting flange 3 is fixedly connected with the second connecting flange 4 through a fixing bolt, the outer cylinder body 1 is detachably connected with the cylinder 2 through a bolt, namely, the second connecting flange 4 is welded on the bottom of the cylinder 2, the first connecting flange 3 is welded on the top of the outer cylinder body 1, then the first connecting flange 3 is connected with the second connecting flange 4 through a bolt, and the split-type design is convenient for overhaul of the fire-retarding breather valve.
As shown in fig. 4 and 6, a fixing frame 6 is fixedly connected to the inside of the cylinder 2, and a fire-retardant component 7 is fixedly connected to the top of the fixing frame 6.
As shown in fig. 7, the fire retardant assembly 7 includes a fire retardant plate 701, the top of the fire retardant plate 701 is provided with holes 702 penetrating through at equal intervals, the fire retardant plate 701 is arranged on the air side of the breather valve, in daily use, the fire retardant plate is not contacted with the oil gas medium, and the oil gas medium contacted only in the process of exhausting air is prevented from being condensed on the fire retardant plate 701 after long-term contact of the oil gas, so that the fouling degree of the oil gas to the fire retardant assembly 7 can be reduced, and the service life of the fire retardant assembly is prolonged.
As shown in fig. 3, the top inside the outer cylinder 1 is provided with an upper sealing cavity 12, the inside of the upper sealing cavity 12 is fixedly connected with a calling valve assembly 14, the calling valve assembly 14 is close to the fire retardant assembly 7, and the fire retardant assembly 7 is arranged at the top of the outer cylinder 1, and meanwhile, the calling valve assembly 14 is arranged above the outer cylinder 1, so that the fire retardant assembly 7 cannot be contacted with oil gas media frequently, long-term contact of oil gas on the fire retardant plate 701 is avoided, the blockage of holes 702 is caused, ventilation and fire retardant effect are affected, and meanwhile, daily maintenance workload of a breather valve product is reduced.
As shown in fig. 4, a sealing member 5 is connected between the first connecting flange 3 and the second connecting flange 4, the sealing member 5 is a tetrafluoro gasket, the fixing frame 6 is a triangular support frame, and the bottom of the fire-retardant disk 701 is abutted to the top of the triangular support frame.
As shown in fig. 4 and 5, a supporting rod 8 is fixedly connected to the middle part inside the fixing frame 6, the top of the supporting rod 8 penetrates through the fire-retardant plate 701 and extends to the top of the cylinder 2, a protection component 9 is sleeved on the top of the outer surface of the supporting rod 8, a hanging ring 10 is sleeved on the top thread of the supporting rod 8, and the bottom of the hanging ring 10 is abutted to the top of the protection component 9.
As shown in fig. 3, a lower sealing cavity 11 is arranged at the bottom of the inner part of the outer cylinder 1, a suction valve component 13 is fixedly connected to the inner part of the lower sealing cavity 11, and cavity openings of the upper sealing cavity 12 and the lower sealing cavity 11 are arranged in a staggered manner;
when the pressure in the storage tank exceeds the rated value, the gas in the storage tank firstly enters the seal head 15 through the connecting pipe 16 and then enters the upper sealing cavity 12, at the moment, the gas can jack the valve cover of the calling valve, so that the gas sequentially passes through the holes 702 on the fire-retarding disc 701 and the protective component 9 and finally is discharged into the atmosphere, and the pressure in the storage tank is constant;
when the pressure value in the storage tank is lower than the rated value, the atmosphere enters from the protective component 9, then sequentially enters into the lower sealing cavity 11 through the hole 702 on the fire-retardant disk 701 and the side edge of the upper sealing cavity 12, then the valve suction cover on the lower sealing cavity 11 is opened under the action of air pressure, at the moment, the atmosphere enters into the storage tank from the side edge of the lower sealing cavity 11, the end socket 15 and the connecting pipe 16, so that the pressure in the storage tank is constant and reaches the rated value;
as shown in fig. 1, 2 and 3, the bottom of the outer cylinder 1 is fixedly connected with a sealing head 15, the bottom of the sealing head 15 is fixedly connected with a connecting pipe 16, the bottom of the connecting pipe 16 is fixedly connected with a lower flange 17, and the lower flange 17 is fixedly connected to the storage tank.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a fire-retardant breather valve of resistant long-time burning, includes outer barrel (1) and drum (2), its characterized in that: the top of the outer cylinder body (1) is fixedly sleeved with a first connecting flange (3), the bottom of the cylinder (2) is fixedly sleeved with a second connecting flange (4), and the first connecting flange (3) is fixedly connected with the second connecting flange (4) through a fixing bolt;
a fixing frame (6) is fixedly connected to the inside of the cylinder (2), and a fire-retarding component (7) is fixedly connected to the top of the fixing frame (6);
the fire-retardant assembly (7) comprises a fire-retardant plate (701), wherein the top of the fire-retardant plate (701) is provided with penetrating holes (702) at equal intervals along the circumference;
the top of the interior of the outer cylinder body (1) is provided with an upper sealing cavity (12), the interior of the upper sealing cavity (12) is fixedly connected with a calling valve component (14), and the calling valve component (14) is arranged close to the fire retardant component (7).
2. The long-term combustion resistant firestop respiratory valve as defined in claim 1, wherein: and a sealing piece (5) is connected between the first connecting flange (3) and the second connecting flange (4), and the sealing piece (5) is a tetrafluoro gasket.
3. The long-term combustion resistant firestop respiratory valve as defined in claim 1, wherein: the fixing frame (6) is a triangular support frame, and the bottom of the fire-retardant tray (701) is abutted to the top of the triangular support frame.
4. The long-term combustion resistant firestop respiratory valve as defined in claim 1, wherein: the inside middle part fixedly connected with bracing piece (8) of mount (6), the top of bracing piece (8) runs through fire-retardant dish (701) and extends to the top of drum (2), the top cover of bracing piece (8) surface is equipped with protection component (9), the top thread bush of bracing piece (8) is equipped with rings (10), the bottom butt of rings (10) is at the top of protection component (9).
5. The long-term combustion resistant firestop respiratory valve as defined in claim 1, wherein: the bottom inside the outer cylinder body (1) is provided with a lower sealing cavity (11), and the inside of the lower sealing cavity (11) is fixedly connected with a suction valve component (13).
6. The long-term combustion resistant fire-blocking respiratory valve of claim 5, wherein: the cavity openings of the upper sealing cavity (12) and the lower sealing cavity (11) are arranged in a staggered mode.
7. The long-term combustion resistant firestop respiratory valve as defined in claim 1, wherein: the bottom of the outer cylinder body (1) is fixedly connected with a sealing head (15), and the bottom of the sealing head (15) is fixedly connected with a connecting pipe (16).
8. The long-term combustion resistant firestop respiratory valve as defined in claim 7, wherein: the bottom of the connecting pipe (16) is fixedly connected with a lower flange (17), and the lower flange (17) is fixedly connected to the storage tank.
CN202321738072.7U 2023-07-04 2023-07-04 Fire-retardant breather valve resistant to long-time combustion Active CN220168674U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321738072.7U CN220168674U (en) 2023-07-04 2023-07-04 Fire-retardant breather valve resistant to long-time combustion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321738072.7U CN220168674U (en) 2023-07-04 2023-07-04 Fire-retardant breather valve resistant to long-time combustion

Publications (1)

Publication Number Publication Date
CN220168674U true CN220168674U (en) 2023-12-12

Family

ID=89062857

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321738072.7U Active CN220168674U (en) 2023-07-04 2023-07-04 Fire-retardant breather valve resistant to long-time combustion

Country Status (1)

Country Link
CN (1) CN220168674U (en)

Similar Documents

Publication Publication Date Title
CN220168674U (en) Fire-retardant breather valve resistant to long-time combustion
CN101780870A (en) Vertical coaxial anti-explosion fire-retardant breather valve
CN214743588U (en) Integrated quick detection and replacement function integrated fire-retardant breather valve
CN201442728U (en) Vertical coaxial anti-explosion fire-resistant breather valve
CN112728176A (en) Integrated burning-resistant fire-retardant breather valve
CN215258031U (en) Fireproof breather valve of positive exhaust pressure and negative suction pressure of storage tank
CN217482067U (en) Breather valve sealing mechanism
CN220227949U (en) Integrated breather valve capable of being rapidly maintained and overhauled
CN209684451U (en) A kind of interior floating plate and interior floating plate storage tank
CN220396618U (en) Breather valve port assembly
CN219317724U (en) Novel fire-retardant fire-resistant breather valve
CN213685433U (en) Fire-retardant vacuum pressure valve
CN113970005A (en) Integrated fire-retardant breather valve with replaceable valve seat
CN214197436U (en) Large-discharge fireproof breather valve
CN221034147U (en) Main body structure of hanging valve disc type breather valve
CN220470738U (en) Prevent hydrogen sulfide fire-retardant breather valve
CN221145421U (en) Valve disc for breather valve and all-weather burn-resistant breather valve
CN219242735U (en) Breather valve
CN219655350U (en) Breather valve sealing mechanism and storage tank burn-resistant breathing device
CN219707940U (en) Emergency pressure relief manhole with liquid seal
CN213745089U (en) Emergency relief valve
CN215184405U (en) Safety valve of storage battery
CN220850875U (en) Double-valve-disc high-flow single-calling valve capable of adjusting opening pressure
CN107061788B (en) High-speed ventilation valve
CN2311465Y (en) Assembling inner floating roof of oil storage tank

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant