CN116146899A - Active flame-proof valve air circuit - Google Patents
Active flame-proof valve air circuit Download PDFInfo
- Publication number
- CN116146899A CN116146899A CN202310173882.0A CN202310173882A CN116146899A CN 116146899 A CN116146899 A CN 116146899A CN 202310173882 A CN202310173882 A CN 202310173882A CN 116146899 A CN116146899 A CN 116146899A
- Authority
- CN
- China
- Prior art keywords
- explosion
- proof valve
- valve body
- gas circuit
- proof
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Housings (AREA)
Abstract
The invention discloses an active explosion-proof valve gas circuit, which relates to the technical field of explosion protection of industrial dust and comprises an explosion-proof valve body, wherein flange interfaces are arranged at two ends of the explosion-proof valve body, a gas release valve is arranged at the other end of the outer wall of the explosion-proof valve body, a mounting opening is formed in the top of the explosion-proof valve body, and a supporting frame is inserted into the mounting opening. Under the action of the explosion-proof valve body, the flange interface, the mounting hole and the fastener, the original multi-hole welding gas circuit is changed into a two-hole welding and bolt valve body structure gas circuit, and the single gas source double-gas circuit two-valve body vacuumizing gas circuit replaces the original container body five-hole welding vacuumizing gas circuit. The air path is simpler after modification, welding and assembly are facilitated, and air leakage points are reduced; the bolt connection is changed, the welding point is reduced, the overall structure of the air passage is more reasonable, the connector of the air passage is reduced, the occurrence of air leakage and other conditions is reduced, the sealing performance is good, and the appearance structure is more attractive.
Description
Technical Field
The invention relates to the technical field of explosion protection of industrial dust, in particular to an active flame-proof valve gas circuit.
Background
Along with the development of modern industry, the potential danger of dust explosion greatly increases, and the explosion-proof valve is mainly applied to equipment hydraulic systems without mechanical locking systems such as large-scale mechanical stages, lifts, lifters, automobile detection maintenance girders and the like, mainly plays a role in protecting against safety accidents, and the existing active explosion-proof valve gas circuit is generally a multi-hole welding gas circuit, and a single gas source double gas circuit two valve body vacuumizing gas circuit, so that the explosion-proof valve has multiple welding points and is easy to generate gas leakage.
Disclosure of Invention
The invention aims to solve the defects that the existing active explosion-proof valve gas circuit is a porous welding gas circuit, and a single gas source double gas circuit and two valve bodies are vacuumized, so that the explosion-proof valve has more welding points and is easy to generate air leakage.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an active flame-proof valve air circuit, comprising:
the explosion-proof valve body, the flange joint is all installed at the both ends of explosion-proof valve body, and the outer wall other end of explosion-proof valve body is provided with the bleed valve, the installing port has been seted up at the top of explosion-proof valve body, and the inside grafting of installing port has the support frame, the vacuum pump is installed to one end is installed at the top of support frame, and one side of vacuum pump sets up half solenoid valve, the one end electricity federation of half solenoid valve has external air source to connect, the mounting hole has been seted up to the outer lane of flange joint, and the inside of mounting hole runs through there is the fastener.
Preferably, the explosion-proof valve body is in fastening connection with the external pipe body through the mounting hole and the fastening piece.
Preferably, the support frame is in threaded connection with the mounting port through a screw, and a pressure sensor reaching signal, a temperature sensor reaching signal, a rupture disc on-off signal and a PLC editable logic controller are arranged outside the support frame.
Preferably, the half electromagnetic valve is directly electrically connected with the external air source connector, and one end of the half electromagnetic valve is provided with a three-eighth electromagnetic valve.
Preferably, an air pipe at one end of the vacuum pump is connected with the other end of the three-eighths solenoid valve at one end of the half solenoid valve.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. under the action of the explosion-proof valve body, the flange interface, the mounting hole and the fastener, the original multi-hole welding gas circuit is changed into a two-hole welding and bolt valve body structure gas circuit, and the single gas source double-gas circuit two-valve body vacuumizing gas circuit replaces the original container body five-hole welding vacuumizing gas circuit. The air path is simpler after modification, welding and assembly are facilitated, and air leakage points are reduced; the bolt connection is changed, the welding point is reduced, the overall structure of the air passage is more reasonable, the connector of the air passage is reduced, the occurrence of air leakage and other conditions is reduced, the sealing performance is good, and the appearance structure is more attractive.
Drawings
FIG. 1 is a schematic diagram of a front structure of the present invention;
FIG. 2 is a schematic view of the orifice structure of the flameproof valve body of the present invention;
fig. 3 is a schematic top view of the present invention.
Legend description:
1. an explosion-proof valve body; 2. a flange interface; 3. externally connecting an air source connector; 4. a support frame; 5. a mounting port; 6. a bleed valve; 7. a mounting hole; 8. a fastener; 9. a half solenoid valve; 10. and a vacuum pump.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner wall", "outer wall", "inner side", "outer side", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to figures 1-3, an active explosion-proof valve gas circuit comprises an explosion-proof valve body 1, wherein flange interfaces 2 are arranged at two ends of the explosion-proof valve body 1, an air release valve 6 is arranged at the other end of the outer wall of the explosion-proof valve body 1, the explosion-proof valve body 1 is in fastening connection with an external pipe body through a mounting hole 7 and a fastening piece 8, (according to the appearance of the explosion-proof valve body 1 (figure 1 in the attached drawing), the original porous welding gas circuit is changed into a two-hole-position welding and bolt valve body structure gas circuit, a single gas source two-gas circuit two-valve body vacuumizing gas circuit replaces the original container body five-hole-position welding vacuumizing gas circuit, so that the gas circuit after the change is simpler, the welding and the assembly are facilitated, the air leakage point is reduced, the whole structure of the gas circuit is more reasonable, the gas circuit joint is reduced, the occurrence of air leakage and the like is reduced, the sealing performance is good, the appearance structure is more beautiful, the top of the explosion-proof valve body 1 is provided with a mounting opening 5, the inside of the mounting opening 5 is inserted with a support frame 4, the support frame 4 is in threaded connection with the mounting opening 5 through a screw, the outside of the support frame 4 is provided with a pressure sensor pressure reaching signal, a temperature sensor temperature reaching signal, a rupture disc on-off signal and a PLC editable logic controller, the effect of bidirectional explosion-proof is realized by starting two groups of half electromagnetic valves 9 of a double-way external air source through the PLC editable logic controller, one end of the support frame 4 is provided with a vacuum pump 10, one side of the vacuum pump 10 is provided with a half electromagnetic valve 9, one end air pipe of the vacuum pump 10 is connected with the other end of the three-eighth electromagnetic valve at one end of the half electromagnetic valve 9, the inner container is vacuumized through the action of the vacuum pump 10, when the negative pressure is lower than a lower limit set value, the electromagnetic valve and the vacuum pump 10 are started simultaneously, the work is stopped when the set negative pressure value is reached, the work is repeated, one half of the electromagnetic valve 9 is directly electrically connected with the external air source connector 3, three-eighth electromagnetic valves are arranged at one end of the one half of the electromagnetic valve 9, two groups of the electromagnetic valves 9 are distributed, the external air source connected with the external air source connector 3 is controlled through the two half of the electromagnetic valves 9, when a fault occurs, the two groups of the electromagnetic valves 9 are conducted, external high-pressure air enters the liner body through the electromagnetic valves, so that the rubber liner is rapidly expanded, the pipelines at two ends of the explosion isolation valve are used, one end of the one half of the electromagnetic valve 9 is electrically connected with the external air source connector 3, the outer ring of the flange connector 2 is provided with the mounting hole 7, and the fastener 8 penetrates through the inside of the mounting hole 7.
Working principle: when in use, the single air source double air path two valve body vacuumizing air path is used for replacing the original single five-point welding vacuumizing air path, the original five-hole position welding is changed into two-hole position welding, the welding point is reduced, the fastening piece 8 is matched with the threaded connection structure of the mounting holes 7 at the two ends of the explosion-proof valve body 1 to replace the elbow threaded connection, the air path valve body structure replaces the original hole position welding structure to complete the installation of the transmitter and the safety valve, then the external air source connector 3 is controlled to enter air through the two half electromagnetic valves 9, when in failure, the two half electromagnetic valves 9 are conducted, external high-pressure air enters the liner body through the electromagnetic valves, so that the rubber liner is rapidly expanded, the pipelines at the two ends of the explosion-proof valve are isolated, the three-eighth electromagnetic valve and the vacuum pump 10 (not shown in the figure) are used for vacuumizing the liner, and the negative pressure value in the liner is ensured when the explosion-proof valve works, when the negative pressure value is lower than the lower limit set value, the half electromagnetic valve 9 and the vacuum pump 10 are started simultaneously, vacuumized, stopped when the set negative pressure value is reached, and reciprocally operated, finally, the equipment is started again after the fault is relieved, and the air release valve 6 on the explosion-proof valve can be used for rapidly releasing air (the principle is that an external high-pressure air source, a pressure sensor pressure signal, a temperature sensor temperature signal, a rupture disc on-off signal and two electromagnetic valves for starting a two-way external air source are started through a PLC programmable logic controller to realize the bidirectional explosion-proof effect, and secondly, the description is that the electrical parts related to the scheme, specific model specifications need to be determined according to the actual specifications and the like of the device, and the specific model selection calculation method adopts the prior art in the field, so the detailed description is omitted.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. An active flame-proof valve air circuit, which is characterized by comprising:
the explosion-proof valve body (1), flange joint (2) are all installed at the both ends of explosion-proof valve body (1), and the outer wall other end of explosion-proof valve body (1) is provided with bleed valve (6), installing port (5) have been seted up at the top of explosion-proof valve body (1), and peg graft in the inside of installing port (5) have support frame (4), vacuum pump (10) are installed to the top of support frame (4), and one side of vacuum pump (10) sets up half solenoid valve (9), the one end electricity federation of half solenoid valve (9) has external air source to connect (3), mounting hole (7) have been seted up in the outer lane of flange joint (2), and the inside of mounting hole (7) is run through there is fastener (8).
2. The active flame-proof valve air circuit according to claim 1, wherein: the explosion-proof valve body (1) is in fastening connection with an external pipe body through the mounting hole (7) and the fastening piece (8).
3. The active flame-proof valve air circuit according to claim 1, wherein: the support frame (4) is in threaded connection with the mounting port (5) through a screw, and a pressure sensor reaching pressure signal, a temperature sensor reaching temperature signal, a rupture disc on-off signal and a PLC editable logic controller are arranged outside the support frame (4).
4. The active flame-proof valve air circuit according to claim 1, wherein: the half electromagnetic valve (9) is directly electrically connected with the external air source connector (3), and one end of the half electromagnetic valve (9) is provided with a three-eighth electromagnetic valve.
5. The active flame-proof valve air circuit according to claim 1, wherein: one end air pipe of the vacuum pump (10) is connected with the other end of the three-eighths electromagnetic valve at one end of the half electromagnetic valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310173882.0A CN116146899A (en) | 2023-02-28 | 2023-02-28 | Active flame-proof valve air circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310173882.0A CN116146899A (en) | 2023-02-28 | 2023-02-28 | Active flame-proof valve air circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116146899A true CN116146899A (en) | 2023-05-23 |
Family
ID=86356131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310173882.0A Pending CN116146899A (en) | 2023-02-28 | 2023-02-28 | Active flame-proof valve air circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116146899A (en) |
-
2023
- 2023-02-28 CN CN202310173882.0A patent/CN116146899A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116146899A (en) | Active flame-proof valve air circuit | |
| CN101165388A (en) | Leakage-detecting tool for gas supply system and its method | |
| CN112432739A (en) | Train pipe leakage searching method | |
| CN208907521U (en) | Pipe pressurized quickly double closure air bags | |
| CN211927604U (en) | Disassembly-free check and inflation-free sulfur hexafluoride low-pressure density controller | |
| CN209925837U (en) | Combined SF6 inflator joint | |
| CN201207009Y (en) | Rapid interface for airtightness experiment for pipes | |
| CN208651885U (en) | A kind of deluge valve facilitating installation | |
| CN205429559U (en) | SF6 looped netowrk cabinet online intelligent pressure increasing system | |
| CN212360901U (en) | Pressure adjusting mechanism for on-line checking of density relay | |
| CN216743050U (en) | Low-temperature-resistant large-flow novel valve terminal | |
| CN209012521U (en) | Coal gas strength controls multifunction valve | |
| CN219452959U (en) | Pressure-maintaining leak detection valve | |
| CN214998531U (en) | Safety control valve for hydraulic pneumatic control system | |
| CN219453050U (en) | Leakage-proof explosion-proof intelligent micro-electric valve for gas bottle | |
| CN219589880U (en) | External pressure detection device for junction box | |
| CN215110578U (en) | Prevent valve structure of opening by oneself | |
| CN220488905U (en) | Pressure relief explosion venting device for gas box | |
| CN220134704U (en) | Large-flow pressure-maintaining valve capable of manually releasing pressure | |
| CN212131416U (en) | Pressure adjusting mechanism for on-line checking of density relay | |
| CN220471366U (en) | Valve interlocking system | |
| CN221299141U (en) | Natural gas wellhead gas transmission device and safety filtering device | |
| CN220118898U (en) | Air flow distribution box | |
| CN219121659U (en) | Offline inspection device for internal leakage of pneumatic butterfly valve | |
| CN215334646U (en) | Pipeline valve seat structure of marine high-pressure gas storage device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |