CN215917356U - Explosion-proof equipment of safety in production - Google Patents
Explosion-proof equipment of safety in production Download PDFInfo
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- CN215917356U CN215917356U CN202122567522.8U CN202122567522U CN215917356U CN 215917356 U CN215917356 U CN 215917356U CN 202122567522 U CN202122567522 U CN 202122567522U CN 215917356 U CN215917356 U CN 215917356U
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- outlet pipe
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Abstract
The utility model discloses an explosion-proof device for safety production, which comprises a pressure relief explosion-proof valve body, wherein the pressure relief explosion-proof valve body is arranged at the top of a reaction kettle body, the pressure relief explosion-proof valve body and the reaction kettle body are arranged in an inner cavity of an outer explosion-proof shell, a first air outlet pipe and a second air outlet pipe which are arranged up and down are arranged on the side wall of the pressure relief explosion-proof valve body, the first air outlet pipe is positioned right below the second air outlet pipe, and the first air outlet pipe and the second air outlet pipe are both communicated with the inner cavity of the pressure relief explosion-proof valve body; outer explosion-proof housing is vertical cuboid shell structure, and outer explosion-proof housing curb plate inboard has rather than parallel arrangement's lateral part backplate, and outer explosion-proof housing roof inboard has rather than parallel arrangement's top backplate, and lateral part backplate and top backplate all are through a plurality of screw rods and outer explosion-proof housing sliding connection. The utility model can rapidly release the pressure of the air which is suddenly increased in the reaction kettle and prevent explosion; and the fire and secondary explosion of a production field caused by the explosion of the reaction kettle can be avoided.
Description
Technical Field
The utility model relates to an explosion-proof device for safety production, and belongs to the technical field of safety production equipment.
Background
The reaction kettle is widely applied to the fields of petroleum, chemical industry, rubber, pesticides, dyes, medicines, food and the like, and is a pressure container for completing technological processes of vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation and the like.
Because the pressure in the reaction kettle is generated by chemical reaction or temperature rise, pressure fluctuation is large, operation is unstable sometimes, sudden pressure rise is several times higher than normal pressure, and if the condition of the reaction kettle is not monitored in time, the suddenly increased pressure can cause explosion of the reaction kettle, and the life and property safety of users is seriously influenced.
In the prior art, in order to ensure smooth production, an explosion-proof plate or an explosion-proof membrane is usually arranged on a reaction kettle, and once the explosion-proof plate or the explosion-proof membrane of the reaction kettle fails, the explosion of the reaction kettle easily causes fire and secondary explosion on a production site.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects, the utility model provides the safe production explosion-proof device which can quickly release pressure and prevent explosion by the aid of the air pressure which is suddenly increased in the reaction kettle; and the fire and secondary explosion of a production field caused by the explosion of the reaction kettle can be avoided.
In order to solve the technical problems, the utility model adopts the following technical scheme:
an explosion-proof device for safety production comprises a pressure relief explosion-proof valve body, wherein the pressure relief explosion-proof valve body is arranged at the top of a reaction kettle body, and the pressure relief explosion-proof valve body and the reaction kettle body are arranged in an inner cavity of an outer explosion-proof shell;
the side wall of the pressure relief explosion-proof valve body is provided with a first air outlet pipe and a second air outlet pipe which are arranged up and down, the first air outlet pipe is positioned under the second air outlet pipe, and the first air outlet pipe and the second air outlet pipe are communicated with the inner cavity of the pressure relief explosion-proof valve body;
outer explosion-proof housing is vertical cuboid shell structure, and outer explosion-proof housing curb plate inboard has rather than parallel arrangement's lateral part backplate, and outer explosion-proof housing roof inboard has rather than parallel arrangement's top backplate, and lateral part backplate and top backplate all are through a plurality of screw rods and outer explosion-proof housing sliding connection.
Furthermore, air holes for air flow circulation are formed in the side plates and the top plate on the periphery of the outer explosion-proof shell.
Further, the side guard plate is positioned on the inner side of the air holes of the side plate of the outer explosion-proof shell; the top guard plate is positioned on the inner side of the air holes of the top plate of the outer explosion-proof shell.
Furthermore, a piston capable of lifting along the vertical direction is installed inside the pressure relief explosion-proof valve body, a sealing ring is embedded around the piston, and the sealing ring is connected with the inner wall of the pressure relief explosion-proof valve body in a sliding manner; the top of the piston is fixedly connected with the piston rod.
Furthermore, the piston rod runs through the top of the pressure relief explosion-proof valve body, the top end of the piston rod is fixedly connected with the balancing weight, and the balancing weight is located outside the pressure relief explosion-proof valve body.
Furthermore, the outer part of the screw rod is respectively connected with a nut, and the nut is positioned on the outer part of the outer explosion-proof shell.
Furthermore, check valves are installed on the first air outlet pipe and the second air outlet pipe.
After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:
according to the utility model, the two air outlet pipes are arranged on the pressure relief explosion-proof valve body, when the air pressure in the reaction kettle is in normal air pressure, the air is exhausted through one air outlet pipe, when the air pressure in the reaction kettle is sharply increased, the air pressure drives the piston to slide upwards, the synchronous exhaust of the two air outlet pipes is realized, the pressure relief speed is improved, and the reaction kettle is prevented from being exploded due to untimely pressure relief;
once the reaction kettle body explodes, the side guard plates and the top guard plate are pressed towards the inner wall of the outer explosion-proof shell by the kettle wall of the reaction kettle body, so that the air holes in the outer explosion-proof shell are quickly sealed, air circulation is cut off, and fire and secondary explosion of a production field caused by explosion of reactants in the reaction kettle body are prevented.
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the structure at A-A in FIG. 1;
fig. 3 is an enlarged view of the structure at M in fig. 1.
In the figure, 1-a pressure relief explosion-proof valve body, 2-a reaction kettle body, 3-an outer explosion-proof shell, 4-a first air outlet pipe, 5-a second air outlet pipe, 6-a piston, 7-a piston rod, 8-a balancing weight, 9-an air hole, 10-a side protection plate, 11-a top protection plate, 12-a screw rod and 13-a nut.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
As shown in fig. 1-3, the utility model provides an explosion-proof device for safety production, which comprises a pressure relief explosion-proof valve body 1, wherein the pressure relief explosion-proof valve body 1 is arranged at the top of a reaction kettle body 2, and the pressure relief explosion-proof valve body 1 is communicated with an inner cavity of the reaction kettle body 2; the pressure relief explosion-proof valve body 1 and the reaction kettle body 2 are arranged in the inner cavity of the outer explosion-proof shell 3.
Be equipped with first outlet duct 4 and second outlet duct 5 on the lateral wall of explosion-proof valve body 1 of pressure release, first outlet duct 4 is located second outlet duct 5 under, and first outlet duct 4 and second outlet duct 5 all are linked together with explosion-proof valve body 1 inner chamber of pressure release.
The first air outlet pipe 4 and the second air outlet pipe 5 are both provided with one-way valves, and the one-way valves are used for controlling the unidirectional flow of air flow; when the air pressure in the reaction kettle body 2 is in normal air pressure, the first air outlet pipe 4 conducts exhaust work, and when the air pressure in the reaction kettle body 2 rises sharply, the first air outlet pipe 4 and the second air outlet pipe 5 conduct synchronous exhaust to improve the pressure relief speed.
A piston 6 capable of lifting along the vertical direction is installed inside the pressure relief explosion-proof valve body 1, a sealing ring is embedded around the piston 6, and the sealing ring is connected with the inner wall of the pressure relief explosion-proof valve body 1 in a sliding manner; the top of the piston 6 is fixedly connected with a piston rod 7; the piston rod 7 penetrates through the top of the pressure relief explosion-proof valve body 1, the top end of the piston rod 7 is fixedly connected with the balancing weight 8, and the balancing weight 8 is positioned outside the pressure relief explosion-proof valve body 1; when the air pressure in the reaction kettle body 2 rises sharply, the air pressure drives the piston 6 to slide upwards, and finally the second air outlet pipe 5 is communicated with the inner cavity of the pressure relief explosion-proof valve body 1, so that the pressure relief speed is improved.
Outer explosion-proof housing 3 is vertical cuboid shell structure, all offers the bleeder vent 9 that is used for the air current circulation on outer explosion-proof housing 3 curb plate and the roof all around.
The inner side of the side plate of the outer explosion-proof shell 3 is provided with a side guard plate 10 which is arranged in parallel with the side plate, and the side guard plate 10 is positioned at the inner side of the air hole 9 of the side plate of the outer explosion-proof shell 3.
The inner side of the top plate of the outer explosion-proof shell 3 is provided with a top guard plate 11 which is arranged in parallel with the top plate, and the top guard plate 11 is positioned at the inner side of the air holes 9 of the top plate of the outer explosion-proof shell 3.
The side guard plates 10 and the top guard plate 11 are both in sliding connection with the outer explosion-proof shell 3 through a plurality of screw rods 12, the outer parts of the screw rods 12 are respectively connected with nuts 13, and the nuts 13 are positioned on the outer part of the outer explosion-proof shell 3;
once the reaction kettle body 2 explodes, the kettle wall of the reaction kettle body 2 presses the side guard plates 10 and the top guard plate 11 to the inner wall of the outer explosion-proof shell 3, so that the air holes 9 in the outer explosion-proof shell 3 are sealed, air circulation is cut off, and the fire and secondary explosion of a production site caused by explosion of reactants in the reaction kettle body 2 are prevented.
The specific working principle of the utility model is as follows:
according to the utility model, the first air outlet pipe 4 and the second air outlet pipe 5 are arranged on the pressure relief explosion-proof valve body 1, when the air pressure in the reaction kettle body 2 is at normal air pressure, the first air outlet pipe 4 performs exhaust work, when the air pressure in the reaction kettle body 2 is sharply increased, the air pressure drives the piston 6 to slide upwards, so that the first air outlet pipe 4 and the second air outlet pipe 5 synchronously exhaust air, the pressure relief speed is increased, and the reaction kettle body 2 is prevented from explosion due to untimely pressure relief;
once the reaction kettle body 2 explodes, the side guard plates 10 and the top guard plate 11 are pressed towards the inner wall of the outer explosion-proof shell 3 by the kettle wall of the reaction kettle body 2, so that the air holes 9 on the outer explosion-proof shell 3 are closed, air circulation is cut off, and fire and secondary explosion of a production field caused by explosion of reactants in the reaction kettle body 2 are prevented.
The foregoing is illustrative of the best mode of the utility model and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The scope of the present invention is defined by the appended claims, and any equivalent modifications based on the technical teaching of the present invention are also within the scope of the present invention.
Claims (7)
1. The utility model provides a safety in production explosion-proof equipment which characterized in that: the pressure relief and explosion-proof valve comprises a pressure relief and explosion-proof valve body (1), wherein the pressure relief and explosion-proof valve body (1) is arranged at the top of a reaction kettle body (2), and the pressure relief and explosion-proof valve body (1) and the reaction kettle body (2) are arranged in an inner cavity of an outer explosion-proof shell (3);
a first air outlet pipe (4) and a second air outlet pipe (5) which are arranged up and down are arranged on the side wall of the pressure relief explosion-proof valve body (1), the first air outlet pipe (4) is positioned right below the second air outlet pipe (5), and the first air outlet pipe (4) and the second air outlet pipe (5) are communicated with the inner cavity of the pressure relief explosion-proof valve body (1);
outer explosion-proof housing (3) are vertical cuboid shell structure, and outer explosion-proof housing (3) curb plate inboard has rather than parallel arrangement's lateral part backplate (10), and outer explosion-proof housing (3) roof inboard has rather than parallel arrangement's top backplate (11), and lateral part backplate (10) and top backplate (11) all are through a plurality of screw rods (12) and outer explosion-proof housing (3) sliding connection.
2. A safety production explosion vent apparatus as set forth in claim 1, wherein: air holes (9) used for air flow circulation are formed in the side plates and the top plate on the periphery of the outer explosion-proof shell (3).
3. A safety production explosion vent apparatus as set forth in claim 2, wherein: the side guard plate (10) is positioned on the inner side of a side plate air hole (9) of the outer explosion-proof shell (3); the top guard plate (11) is positioned on the inner side of the top plate air hole (9) of the outer explosion-proof shell (3).
4. A safety production explosion vent apparatus as set forth in claim 1, wherein: a piston (6) capable of lifting along the vertical direction is installed inside the pressure relief explosion-proof valve body (1), a sealing ring is embedded around the piston (6), and the sealing ring is connected with the inner wall of the pressure relief explosion-proof valve body (1) in a sliding manner; the top of the piston (6) is fixedly connected with a piston rod (7).
5. A safety production explosion vent apparatus as set forth in claim 4, wherein: the piston rod (7) penetrates through the top of the pressure relief explosion-proof valve body (1), the top end of the piston rod (7) is fixedly connected with the balancing weight (8), and the balancing weight (8) is located outside the pressure relief explosion-proof valve body (1).
6. A safety production explosion vent apparatus as set forth in claim 1, wherein: the outer part of the screw rod (12) is respectively connected with a nut (13), and the nut (13) is positioned on the outer part of the outer explosion-proof shell (3).
7. A safety production explosion vent apparatus as set forth in claim 1, wherein: and the first air outlet pipe (4) and the second air outlet pipe (5) are both provided with one-way valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122567522.8U CN215917356U (en) | 2021-10-25 | 2021-10-25 | Explosion-proof equipment of safety in production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122567522.8U CN215917356U (en) | 2021-10-25 | 2021-10-25 | Explosion-proof equipment of safety in production |
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| Publication Number | Publication Date |
|---|---|
| CN215917356U true CN215917356U (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122567522.8U Active CN215917356U (en) | 2021-10-25 | 2021-10-25 | Explosion-proof equipment of safety in production |
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| CN (1) | CN215917356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768680A (en) * | 2022-04-14 | 2022-07-22 | 淄博盖亿化工设备有限公司 | Explosion-proof glass-lined reactor with automatic pressure relief function |
-
2021
- 2021-10-25 CN CN202122567522.8U patent/CN215917356U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768680A (en) * | 2022-04-14 | 2022-07-22 | 淄博盖亿化工设备有限公司 | Explosion-proof glass-lined reactor with automatic pressure relief function |
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