CN217842702U - Safety pressure relief air valve - Google Patents
Safety pressure relief air valve Download PDFInfo
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- CN217842702U CN217842702U CN202221391900.XU CN202221391900U CN217842702U CN 217842702 U CN217842702 U CN 217842702U CN 202221391900 U CN202221391900 U CN 202221391900U CN 217842702 U CN217842702 U CN 217842702U
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- aluminum plate
- valve
- valve cover
- explosion
- pneumatic element
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Abstract
The utility model relates to a safety pressure relief air valve, which comprises a pressure relief valve body, wherein two openable valve covers are symmetrically arranged; the valve cover comprises a valve cover frame and an explosion venting aluminum plate, and the explosion venting aluminum plate is fixed on the valve cover frame; the driving module is connected with the valve cover and pushes the valve cover to open and close; the pneumatic valve comprises a pneumatic element, a support and a transmission assembly, wherein the transmission assembly is connected with a valve cover frame, a fixed part of the pneumatic element is arranged on the support, and a movable part of the pneumatic element is connected with the transmission assembly. The utility model discloses can open urgent pressure release pneumatically, can reduce single valve gap dead weight simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the pressure release blast gate technique and specifically relates to indicate a safe pressure release blast gate.
Background
In an industrial waste gas treatment system, because waste gas is generally high in temperature and contains a large amount of combustible and explosive components such as oil smoke, organic matters and the like, in the operation process of the system, because of ultrahigh temperature or because of static electricity or other reasons, a fire hazard occurs in an air pipe and an explosion phenomenon occurs, if high-temperature and high-pressure gas cannot be effectively released in the air pipe system in a short time, production equipment and purification equipment can be damaged and deformed, and meanwhile, personal safety can be injured. It is also necessary to actively open the relief valve to avoid more serious consequences when an emergency such as a fire is found but the explosion has not occurred.
The existing safety relief valve needs larger thrust to push the valve cover open due to the fact that the distance between the cylinder fulcrum and the shaft is shorter and the force arm L is shorter. In addition, if the diameter of the valve body exceeds 1 meter, after the valve cover is jacked open by the cylinder, the fulcrum of the cylinder of the valve cover is easy to deform, and the valve cover can not be effectively sealed after being closed again.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model discloses a safe pressure release blast gate.
The utility model discloses the technical scheme who adopts as follows:
a safety pressure relief air valve comprises
The pressure relief valve body is symmetrically provided with two openable valve covers; the valve cover comprises a valve cover frame and an explosion venting aluminum plate, and the explosion venting aluminum plate is fixed on the valve cover frame;
the driving module is connected with the valve cover and pushes the valve cover to open and close; the pneumatic valve comprises a pneumatic element, a support and a transmission assembly, wherein the transmission assembly is connected with a valve cover frame, a fixed part of the pneumatic element is arranged on the support, the support is fixed on the outer wall of the pressure relief valve body, and a movable part of the pneumatic element is connected with the transmission assembly.
The method is further technically characterized in that: the explosion venting aluminum plate comprises an aluminum plate pressing plate and an explosion-proof aluminum plate, the explosion-proof aluminum plate is connected with the valve cover frame in a clamping mode, the aluminum plate pressing plate is pressed on the explosion-proof aluminum plate, and the aluminum plate pressing plate is connected with the valve cover frame through a first fastening element.
The method is further technically characterized in that: the aluminum plate pressing plate and the explosion-proof aluminum plate are both semicircular, and the aluminum plate pressing plate is provided with a first semicircular opening.
The method is further technically characterized in that: the first fastening element is a bolt.
The method is further technically characterized in that: the valve cover frame comprises a semicircular fixing part and a connecting part extending along the radial direction of the semicircular fixing part, the fixing part is provided with a semicircular second opening, and the second opening is used for fixing the explosion venting aluminum plate; the connecting part is used for being connected with the transmission assembly.
The method is further technically characterized in that: the transmission assembly comprises a first transmission block, a second fastening element and a second transmission block, the second fastening element is used for hinging the first transmission block with the second transmission block, the first transmission block is fixed on the valve cover frame, and the second transmission block is fixed on the movable part of the pneumatic element.
The method is further technically characterized in that: the fixed part of the pneumatic element is hinged with the support.
The method is further technically characterized in that: the pneumatic element is a single acting cylinder.
The method is further technically characterized in that: the pressure relief valve body is provided with a sealing gasket.
The method is further technically characterized in that: and the bottom of the pressure relief valve body is provided with a mounting flange.
Compared with the prior art, the technical scheme of the utility model have following advantage:
1. the utility model discloses a set up pneumatic element and let out and explode aluminum plate, simple structure, the action is reliable, can pneumatically open urgent pressure release, also can release pressure passively.
2. The utility model discloses a set up sealed the pad, guarantee that the valve gap is repeated to be opened, still can effectively seal after closing.
3. The utility model discloses with the valve gap design for the symmetrical valve gap that opens and shuts to reduce the dead weight of single valve gap, solve the deformation problem.
Drawings
In order to make the content of the present invention more clearly understood, the present invention will be described in further detail with reference to the following embodiments of the present invention, in conjunction with the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention when opened.
Fig. 2 is an enlarged schematic view at a in fig. 1.
Fig. 3 is a front view of the present invention when opened.
Fig. 4 is a schematic structural view of the present invention when closed.
Fig. 5 is a front view of the present invention when closed.
Fig. 6 is a schematic diagram of a partial explosion structure of the present invention.
Fig. 7 is a side view of fig. 6.
The specification reference numbers indicate: 1. a pressure relief valve body; 2. installing a flange; 3. a bonnet frame; 4. explosion venting aluminum plates; 401. pressing plates of aluminum plates; 402. an explosion-proof aluminum plate; 5. a gasket; 6. a pneumatic element; 7. a support; 8. a connecting seat; 9. a first fastening element; 10. a first transmission block; 11. a second fastening element; 12. and a second transmission block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.
The foregoing and other features, aspects and utilities of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings. Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Therefore, the directional terminology used is for the purpose of description and is not intended to be limiting, and moreover, like reference numerals will be used to refer to like elements throughout.
Referring to fig. 1-7, a safety relief air valve includes
The pressure relief valve body 1 is symmetrically provided with two openable valve covers; the valve cover comprises a valve cover frame 3 and an explosion venting aluminum plate 4, and the explosion venting aluminum plate 4 is fixed on the valve cover frame 3;
the driving module is connected with the valve cover and pushes the valve cover to open and close; the pneumatic valve comprises a pneumatic element 6, a support 7 and a transmission assembly, wherein the transmission assembly is connected with a valve cover frame 3, a fixing part of the pneumatic element 6 is arranged on the support 7, the support 7 is fixed on the outer wall of a pressure relief valve body 1, and a movable part of the pneumatic element 6 is connected with the transmission assembly.
The safety pressure relief air valve can be opened pneumatically to relieve pressure emergently, and only a small pushing force is needed to push the valve cover open.
In this embodiment, the explosion-proof aluminum plate 4 comprises an aluminum plate pressing plate 401 and an explosion-proof aluminum plate 402, the explosion-proof aluminum plate 402 is clamped with the valve cover frame 3, the aluminum plate pressing plate 401 is pressed on the explosion-proof aluminum plate 402, and the aluminum plate pressing plate 401 and the valve cover frame 3 are connected through the first fastening element 9. Preferably, the first fastening member 9 is a bolt which vertically penetrates through the aluminum plate pressing plate 401, the explosion-proof aluminum plate 402 and the valve cover frame 3 in sequence to connect the aluminum plate pressing plate 401, the explosion-proof aluminum plate 402 and the valve cover frame 3 together.
In this embodiment, the aluminum plate pressing plate 401 and the explosion-proof aluminum plate 402 are both semicircular, and the aluminum plate pressing plate 401 is provided with a semicircular first opening.
In this embodiment, the transmission assembly includes a first transmission block 10, a second fastening element 11 and a second transmission block 12, the second fastening element 11 hinges the first transmission block 10 and the second transmission block 12, the first transmission block 10 is fixed on the bonnet frame 3, and the second transmission block 12 is fixed on the movable portion of the pneumatic element 6. Preferably, the second fastening element 11 is a bolt.
Specifically, the first transmission block 10 includes a set of vertical plates parallel to each other, the set of vertical plates is vertically fixed on the valve cover frame 3, and a certain distance is provided between the set of vertical plates. The cross-sectional shape of the second driving block 12 is u-shaped, and the second fastening element 11 axially penetrates the first driving block 10 and the second driving block 12.
In the present embodiment, the fixed part of the pneumatic element 6 is hinged to the seat 7.
Preferably, the pneumatic element 6 is a double-acting cylinder which opens and closes a valve cover by controlling two compressed air pipes.
In this embodiment, the pressure relief valve body 1 is provided with the sealing gasket 5, wherein the pressure relief valve body 1 is provided with the protection part along the height direction thereof in a protruding manner, the cross-sectional shape of the protection part is semicircular, the sealing gasket 5 is arranged along the circumference of the protection part, and the sealing gasket 5 is made of silica gel, so that the pressure relief valve body has excellent sealing performance, is waterproof and leakproof, can be heated at a high-strength temperature, is not deformed, does not generate harmful substances, and has good tensile resistance.
In this embodiment, the bottom of the pressure relief valve body 1 is provided with a mounting flange 2, and the flange 2 is used for connecting the safety pressure relief air valve with other equipment needing pressure relief.
The working principle of the utility model is as follows:
the valve cover can be driven to open or close by the pneumatic element 6 so as to meet the function of actively opening and relieving pressure.
The explosion venting aluminum plate 4 is arranged on the valve cover frame 3 to meet the functional requirement of passive explosion venting under the condition of high temperature and high pressure when the cylinder does not act.
Because set up on the valve gap frame 3 and let out and explode aluminum plate 4, the bulk strength of valve gap frame 3 reduces, and when the diameter of pressure release valve body 1 was too big, because the valve gap dead weight is overweight, the fulcrum department of the movable part of pneumatic element 6 of valve gap frame 3 easily produced the deformation problem, consequently designed the valve gap for the symmetrical valve gap that opens and shuts to reduce the dead weight of single valve gap, solve the deformation problem.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a safe pressure release blast gate which characterized in that: comprises that
The pressure relief valve body (1) is symmetrically provided with two openable valve covers; the valve cover comprises a valve cover frame (3) and an explosion venting aluminum plate (4), and the explosion venting aluminum plate (4) is fixed on the valve cover frame (3);
the driving module is connected with the valve cover and pushes the valve cover to open and close; the pneumatic valve comprises a pneumatic element (6), a support (7) and a transmission assembly, wherein the transmission assembly is connected with a valve cover frame (3), a fixing part of the pneumatic element (6) is arranged on the support (7), the support (7) is fixed on the outer wall of a pressure relief valve body (1), and a movable part of the pneumatic element (6) is connected with the transmission assembly.
2. The safety relief blast gate according to claim 1, wherein: explosion venting aluminum plate (4) includes aluminum plate clamp plate (401) and explosion-proof aluminum plate (402), explosion-proof aluminum plate (402) with valve gap frame (3) joint, aluminum plate clamp plate (401) pressfitting in on explosion-proof aluminum plate (402), just aluminum plate clamp plate (401) with valve gap frame (3) are connected through first fastener (9).
3. The safety relief blast gate according to claim 2, wherein: the aluminum plate pressing plate (401) and the explosion-proof aluminum plate (402) are both semicircular, and the aluminum plate pressing plate (401) is provided with a semicircular first opening.
4. The safety relief blast gate according to claim 2, wherein: the first fastening element (9) is a bolt.
5. The safety relief blast gate according to claim 1, wherein: the valve cover frame (3) comprises a semicircular fixing part and a connecting part extending along the radial direction of the semicircular fixing part, the fixing part is provided with a semicircular second opening, and the second opening is used for fixing the explosion venting aluminum plate (4); the connecting part is used for being connected with the transmission assembly.
6. The safety relief blast gate according to claim 1, wherein: the transmission assembly comprises a first transmission block (10), a second fastening element (11) and a second transmission block (12), the second fastening element (11) is used for hinging the first transmission block (10) and the second transmission block (12), the first transmission block (10) is fixed on the valve cover frame (3), and the second transmission block (12) is fixed on the movable part of the pneumatic element (6).
7. The safety relief blast gate according to claim 1, wherein: the fixed part of the pneumatic element (6) is hinged with the support (7).
8. The safety relief vent valve according to claim 1, 6 or 7, wherein: the pneumatic element (6) is a single-acting cylinder.
9. The safety relief blast gate according to claim 1, wherein: the pressure relief valve body (1) is provided with a sealing gasket (5).
10. The safety relief vent valve according to claim 1, wherein: the bottom of the pressure relief valve body (1) is provided with a mounting flange (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221391900.XU CN217842702U (en) | 2022-06-06 | 2022-06-06 | Safety pressure relief air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221391900.XU CN217842702U (en) | 2022-06-06 | 2022-06-06 | Safety pressure relief air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217842702U true CN217842702U (en) | 2022-11-18 |
Family
ID=84022663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221391900.XU Active CN217842702U (en) | 2022-06-06 | 2022-06-06 | Safety pressure relief air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217842702U (en) |
-
2022
- 2022-06-06 CN CN202221391900.XU patent/CN217842702U/en active Active
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