CN108758344B - Exhaust device for explosion-proof positive pressure cabinet - Google Patents
Exhaust device for explosion-proof positive pressure cabinet Download PDFInfo
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- CN108758344B CN108758344B CN201810543296.XA CN201810543296A CN108758344B CN 108758344 B CN108758344 B CN 108758344B CN 201810543296 A CN201810543296 A CN 201810543296A CN 108758344 B CN108758344 B CN 108758344B
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- exhaust
- bin
- cabinet body
- fixedly connected
- partition plate
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses an exhaust device for an explosion-proof positive pressure cabinet, which comprises a main cabinet body (1) and an exhaust cabinet body (3), wherein a first partition plate (1.1) is horizontally arranged in the main cabinet body (1), the main cabinet body (1) is divided into an upper installation bin (1.2) and a lower transition bin (1.3) by the first partition plate (1.1), a first gap (1.11) is arranged between one side of the first partition plate (1.1) and the inner wall of the main cabinet body (1), and a first sealing device (4) for plugging the first gap (1.11) is arranged in the transition bin (1.3). The invention has the advantages that: when the gas exhauster exhausts, the mixed gas to be exhausted can be filtered, and harmful hydrocarbon gas in the mixed gas can be absorbed, so that the pollution of the external atmosphere can not be caused.
Description
Technical Field
The invention relates to the technical field of electrical explosion prevention, in particular to an exhaust device for an explosion-proof positive pressure cabinet.
Background
With the rapid development of industries such as kerosene chemical industry, metal smelting, chemical pharmacy and the like, the explosion-proof positive pressure cabinet is more and more widely used in system control. How to accurately utilize a positive pressure explosion-proof controller in explosive gas injury occasions. Since electrical equipment is deployed at work to produce electrical sparks unjustly or to create a hot appearance, once they encounter an explosive gas mix in the field, they can cause a nuisance to the user, endangering his property and lives. The explosion-proof malleation cabinet of current. In the use of the explosion-proof positive pressure cabinet, the interior of the cabinet needs to be ventilated frequently, so that the temperature in the cabinet is ensured to be within a proper range, and the service life of electrical elements in the cabinet is prolonged. Although the existing positive pressure cabinet has good sealing performance, a small amount of hydrocarbon gas is mixed into the cabinet body, and the hydrocarbon gas is directly exhausted along with nitrogen in the exhaust process, so that certain pollution is caused to the atmosphere.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an exhaust device for an explosion-proof positive pressure cabinet.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an exhaust apparatus for explosion-proof malleation cabinet which characterized in that: the air conditioner comprises a main cabinet body and an exhaust cabinet body, wherein a first partition plate is horizontally arranged in the main cabinet body and divides the main cabinet body into an upper-layer installation bin and a lower-layer transition bin;
the exhaust cabinet is internally provided with a second partition plate which is horizontally arranged, the second partition plate divides the exhaust cabinet into a first exhaust bin and a second exhaust bin which are arranged on the upper layer, the second exhaust bin is communicated with the transition bin through a connecting hole, a second sealing device used for plugging the connecting hole is arranged in the second exhaust bin, a through hole is formed in the second partition plate, the first exhaust bin and the second exhaust bin are communicated through the through hole in the second partition plate, an X molecular sieve filter cartridge and an adsorption activated carbon filter cartridge are sequentially matched and connected in the through hole from the second exhaust bin to the first exhaust bin in sequence, a third sealing device used for plugging the through hole is arranged in the first exhaust bin, an exhaust pipe is arranged on one side of the first exhaust bin, the exhaust pipe is communicated with the first exhaust bin, the exhaust pipe is provided with the exhaust pipe, and an electric valve is arranged in the first exhaust bin.
Preferably, first sealing device includes the linear guide who supports the connection through a set of support, sliding connection slide on linear guide, be equipped with first seal groove and square open slot in slide one side, be equipped with the second seal groove bottom square open slot, connect the fixed block in slide below one side cooperation, the fixed block is the inclined plane towards one side of aerifing the cabinet body, be equipped with in the fixed block below and be used for driving the gliding drive arrangement of slide on linear guide, it is fixed to be equipped with a set of spring between the inner wall in slide opposite side and transition storehouse, the one end of every spring all with slide fixed connection, the other end of every spring all through connecting plate fixed connection on the inner wall in transition storehouse.
Preferably, the driving device comprises a first air cylinder, the first air cylinder is vertically and fixedly connected to the bottom of the inner side of the transition bin, a piston rod of the first air cylinder is fixedly connected with a wedge block, and the wedge block is arranged corresponding to the inclined surface of the fixing block.
Preferably, the second sealing device comprises a second cylinder, the second cylinder is horizontally and fixedly connected in the second exhaust bin, a piston rod of the second cylinder is fixedly connected with a push plate, and the push plate and the connecting hole are arranged oppositely.
Preferably, the third sealing device comprises a third cylinder, a piston rod of the third cylinder is vertically arranged downwards, the third cylinder is fixedly connected to the top of the inner side of the first exhaust bin, a pressing plate is fixedly connected to the piston rod of the third cylinder, and the pressing plate and the through hole in the second partition plate are arranged oppositely.
The invention has the advantages that: the invention is suitable for being used in an explosion-proof positive pressure cabinet, and can filter the mixed gas to be discharged and absorb the harmful hydrocarbon gas in the mixed gas during the exhaust, so that the pollution of the external atmosphere can not be caused after the mixed gas is emptied.
Drawings
FIG. 1 is a schematic diagram of the basic structure of an exhaust device for an explosion-proof positive pressure cabinet provided by the invention;
FIG. 2 is a schematic view of the basic structure of the first sealing device;
fig. 3 is a state diagram when the first sealing means closes the first gap;
fig. 4 is a state diagram when the first sealing device does not close the first gap.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, the exhaust device for an explosion-proof positive pressure cabinet provided by the invention comprises a main cabinet body 1, wherein an inflatable cabinet body 2 is welded and fixed on one side of the main cabinet body 1, and an exhaust cabinet body 3 is welded and fixed on the other side of the main cabinet body 1.
The horizontal first baffle 1.1 that sets up is equipped with in the main cabinet body 1, and first baffle 1.1 divides into the installation storehouse 1.2 on upper strata and the transition storehouse 1.3 of lower floor in the main cabinet body 1, and one of them side of first baffle 1.1 is equipped with first clearance 1.11 with the main cabinet body 1 inner wall between, and lug 1.12 is connected in the cooperation of first baffle 1.1 downside, and lug 1.12 sets up and is being close to first clearance 1.11 one side be equipped with first sealing device 4 that is used for shutoff first clearance 1.11 in the transition storehouse 1.3.
Be equipped with first seal groove 4.22 and square open slot 4.21 in slide 4.2 one side, be equipped with first joint strip in first seal groove 4.22, first joint strip with the inner wall of transition storehouse 1.3 sets up relatively, is equipped with second seal groove 4.23 in square open slot 4.21 bottom, is equipped with second joint strip in second seal groove 4.23, second joint strip with lug 1.12 sets up relatively.
One side of the lower part of the sliding plate 4.2 is welded and connected with a fixed block 4.3, one side of the fixed block 4.3 facing the inflating cabinet body 2 is an inclined plane 4.31, a driving device used for driving the sliding plate 4.2 to slide on the linear guide rail is arranged below the fixed block 4.3, the driving device comprises a first air cylinder 4.6, the first air cylinder 4.6 is vertically and fixedly connected to the bottom of the inner side of the transition bin 1.3, a piston rod of the first air cylinder 4.6 is fixedly connected with a wedge block 4.7, and the wedge block 4.7 is arranged corresponding to the inclined plane 4.31 of the fixed block 4.3.
Two springs 4.4 are fixedly arranged between the other side of the sliding plate 4.2 and the inner wall of the transition bin 1.3, one end of each spring 4.4 is fixedly connected with the sliding plate 4.2, and the other end of each spring 4.4 is fixedly connected to the inner wall of the transition bin 1.3 through a connecting plate 4.5.
When the sealing device is used, when the first gap 1.11 needs to be sealed by the first sealing device 4, the wedge block 4.7 is driven to descend by the first cylinder 4.6 in combination with the graph 3, and the sliding plate 4.2 slides to the other side along the linear guide rail under the action of the elastic force of the two springs 4.4. The second sealing rubber strip is contacted with the convex block 1.12 at the lower side of the first clapboard 1.1, thereby sealing; the first sealing rubber strip is contacted with the inner wall of the transition bin 1.3, so that sealing is performed.
When the first gap 1.11 does not need to be sealed by the first sealing device 4, referring to fig. 4, the wedge block 4.7 is driven to ascend by the first cylinder 4.6, because the upper side of the sliding plate 4.2 is in contact with the lower side of the first partition plate 1.1, in the ascending process of the wedge block 4.7, the wedge block 4.7 is in contact with the inclined surface 4.31 of the fixed block 4.3, the wedge block 4.7 can provide horizontal lateral force to the fixed block 4.3 towards the spring 4.4, the sliding plate 4.2 slides towards the spring 4.4 under the action of the horizontal lateral force and compresses the spring 4.4, so that a second gap 4.24 exists between the sliding plate 4.2 and the inner wall of the transition bin 1.3, and the installation bin 1.2 and the transition bin 1.3 can exchange air through the second gap 4.24.
The second baffle 3.1 that is equipped with the level setting in the exhaust cabinet body 3, the first exhaust storehouse 3.2 and the second exhaust storehouse 3.3 on upper strata are separated into with the exhaust cabinet body 3 to second baffle 3.1. The second exhaust bin 3.3 is communicated with the transition bin 1.3 through a connecting hole 7, a second sealing device 8 used for plugging the connecting hole 7 is arranged in the second exhaust bin 3.3, the second sealing device 8 comprises a second cylinder 8.1, the second cylinder 8.1 is horizontally and fixedly connected in the second exhaust bin 3.3, a piston rod of the second cylinder 8.1 is fixedly connected with a push plate 8.2, and the push plate 8.2 is opposite to the connecting hole 7.
Be equipped with the through-hole on second baffle 3.1, be linked together through the through-hole on the second baffle 3.1 between first exhaust storehouse 3.2 and the second exhaust storehouse 3.3 in the through-hole by second exhaust storehouse 3.3 to the direction of first exhaust storehouse 3.2 cooperation in proper order connect 13X molecular sieve cartridge filter 3.11 and adsorption activated carbon cartridge filter 3.12, be equipped with the third sealing device 9 that is used for the shutoff through-hole in first exhaust storehouse 3.2, third sealing device 9 includes third cylinder 9.1, and the vertical downward setting of piston rod of third cylinder 9.1, third cylinder 9.1 fixed connection are at the inboard top in first exhaust storehouse 3.2, fixed connection clamp plate 9.2 on the piston rod of third cylinder 9.1, clamp plate 9.2 with through-hole on the second baffle 3.1 sets up relatively.
Be equipped with blast pipe 10 in first exhaust gas storehouse 3.2 one side, blast pipe 10 link up first exhaust gas storehouse 3.2 is equipped with motorised valve 10.1 and check valve on blast pipe 10, and motorised valve 10.1 sets up in first exhaust gas storehouse 3.2, and the check valve setting is in the first exhaust gas storehouse 3.2 outside, and the check valve is used for preventing that external gas from getting into in first exhaust gas storehouse 3.2.
When exhausting, mixed gas in the installation bin 1.2 is discharged into the transition bin 1.3 through the first sealing device 4, after the discharge is finished, the first gap 1.11 is sealed and plugged through the first sealing device 4, then the second air cylinder 8.1 drives the push plate 8.2 to open the connecting hole 7, the mixed gas in the transition bin 1.3 is discharged into the second exhaust bin 3.3, and then the second air cylinder 8.1 drives the push plate 8.2 to seal and plug the connecting hole 7. After the plugging of the connecting hole 7 is completed, the third cylinder 9.1 drives the pressing plate 9.2 to move upwards, the mixed gas in the second exhaust bin 3.3 can enter the first exhaust bin 3.2 along the through hole on the second partition plate 3.1, the hydrocarbon harmful gas in the mixed gas can be absorbed by the 13X molecular sieve filter cartridge 3.11 and the adsorption activated carbon filter cartridge 3.12 in the process, and then the third cylinder 9.1 drives the pressing plate 9.2 to move downwards to seal and plug the through hole on the second partition plate 3.1. After the through hole on the second partition plate 3.1 is sealed and plugged, the electric valve 10.1 is opened, and the gas in the first exhaust bin 3.2 is exhausted to the outside. When in exhaust, the invention adopts four-stage exhaust, which not only can eliminate poisonous and harmful gas of hydrocarbon in the exhaust process, but also can effectively prevent external flammable and explosive gas from flowing back into the installation bin 1.2. The electric valve 10.1, the first air cylinder 4.6, the second air cylinder 8.1 and the third air cylinder 9.1 are controlled by a temperature controller and a pressure transmitter in cooperation with a PLC control system, the control modes are all the prior art, and the description is omitted. And a temperature controller and a pressure transmitter are respectively arranged in the installation bin 1.2, the transition bin 1.3, the second exhaust bin 3.3 and the first exhaust bin 3.2.
Claims (3)
1. The utility model provides an exhaust apparatus for explosion-proof malleation cabinet which characterized in that: the air conditioner comprises a main cabinet body (1) and an exhaust cabinet body (3), wherein a first partition plate (1.1) is horizontally arranged in the main cabinet body (1), the first partition plate (1.1) divides the interior of the main cabinet body (1) into an upper installation bin (1.2) and a lower transition bin (1.3), a first gap (1.11) is formed between one side of the first partition plate (1.1) and the inner wall of the main cabinet body (1), and a first sealing device (4) for plugging the first gap (1.11) is arranged in the transition bin (1.3);
the exhaust cabinet body (3) is fixedly connected to one side of the main cabinet body (1), a second partition plate (3.1) which is horizontally arranged is arranged in the exhaust cabinet body (3), the second partition plate (3.1) divides the exhaust cabinet body (3) into a first exhaust bin (3.2) and a second exhaust bin (3.3) which are arranged at the upper layer, the second exhaust bin (3.3) is communicated with the transition bin (1.3) through a connecting hole (7), a second sealing device (8) which is used for plugging the connecting hole (7) is arranged in the second exhaust bin (3.3), a through hole is formed in the second partition plate (3.1), the first exhaust bin (3.2) is communicated with the second exhaust bin (3.3) through a through hole in the second partition plate (3.1), a filter cartridge (3.11) and an adsorption active carbon (3.12) are sequentially connected in the through hole in a matched manner in the direction from the second exhaust bin (3.3) to the first exhaust bin (3.2), and a filter cartridge (9) used for plugging the third exhaust bin (3.2) is arranged in the through hole, an exhaust pipe (10) is arranged on one side of the first exhaust bin (3.2), the exhaust pipe (10) penetrates through the first exhaust bin (3.2), an electric valve (10.1) is arranged on the exhaust pipe (10), and the electric valve (10.1) is arranged in the first exhaust bin (3.2);
the first sealing device (4) comprises a linear guide rail which is supported and connected through a group of brackets (4.1), a sliding plate (4.2) is connected on the linear guide rail in a sliding way, a first sealing groove (4.22) and a square open slot (4.21) are arranged at one side of the sliding plate (4.2), a second sealing groove (4.23) is arranged at the bottom of the square opening groove (4.21), a fixing block (4.3) is connected at one side below the sliding plate (4.2) in a matching way, an inclined plane (4.31) is arranged at one side of the fixing block (4.3) facing the inflatable cabinet body (2), a driving device for driving the sliding plate (4.2) to slide on the linear guide rail is arranged below the fixed block (4.3), a group of springs (4.4) are fixedly arranged between the other side of the sliding plate (4.2) and the inner wall of the transition bin (1.3), one end of each spring (4.4) is fixedly connected with the sliding plate (4.2), and the other end of each spring (4.4) is fixedly connected to the inner wall of the transition bin (1.3) through a connecting plate (4.5);
the driving device comprises a first cylinder (4.6), the first cylinder (4.6) is vertically and fixedly connected to the bottom of the inner side of the transition bin (1.3), a wedge block (4.7) is fixedly connected to a piston rod of the first cylinder (4.6), and the wedge block (4.7) and an inclined plane (4.31) of the fixing block (4.3) are arranged correspondingly.
2. The exhaust device for the explosion-proof positive pressure cabinet according to claim 1, wherein: the second sealing device (8) comprises a second air cylinder (8.1), the second air cylinder (8.1) is horizontally and fixedly connected into the second exhaust bin (3.3), a piston rod of the second air cylinder (8.1) is fixedly connected with a push plate (8.2), and the push plate (8.2) and the connecting hole (7) are oppositely arranged.
3. The exhaust device for the explosion-proof positive pressure cabinet according to claim 1, wherein: the third sealing device (9) comprises a third air cylinder (9.1), a piston rod of the third air cylinder (9.1) is vertically arranged downwards, the third air cylinder (9.1) is fixedly connected to the top of the inner side of the first exhaust bin (3.2), a pressing plate (9.2) is fixedly connected to the piston rod of the third air cylinder (9.1), and the pressing plate (9.2) and the through hole in the second partition plate (3.1) are oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810543296.XA CN108758344B (en) | 2018-05-31 | 2018-05-31 | Exhaust device for explosion-proof positive pressure cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810543296.XA CN108758344B (en) | 2018-05-31 | 2018-05-31 | Exhaust device for explosion-proof positive pressure cabinet |
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| Publication Number | Publication Date |
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| CN108758344A CN108758344A (en) | 2018-11-06 |
| CN108758344B true CN108758344B (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810543296.XA Active CN108758344B (en) | 2018-05-31 | 2018-05-31 | Exhaust device for explosion-proof positive pressure cabinet |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113573531B (en) * | 2021-09-27 | 2021-12-03 | 江苏欧瑞防爆电气有限公司 | Exhaust device for explosion-proof positive pressure cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202771213U (en) * | 2012-06-11 | 2013-03-06 | 杭州坚信电气设备有限公司 | Explosion-proof positive-pressure cabinet |
| CN202906205U (en) * | 2012-11-09 | 2013-04-24 | 陈元定 | A positive-pressure explosion-proof power distribution cabinet |
| CN205015655U (en) * | 2015-07-15 | 2016-02-03 | 南京华文电气有限公司 | A fuel detonation suppressant system for low pressure regulator cubicle |
| CN205278762U (en) * | 2015-11-18 | 2016-06-01 | 南阳市中通防爆电机电器有限公司 | Explosion -proof switch board gas supply system and explosion -proof switch board |
| CN205457260U (en) * | 2016-03-04 | 2016-08-17 | 江苏埃德伯格电气有限公司 | Intelligence dangerization article fire and explosion protection safety cabinet system |
| CN206958379U (en) * | 2017-07-14 | 2018-02-02 | 沈阳飞驰科技有限公司 | Anti-explosion gas bleeder valve and intellectual monitoring positive pressure explosion-proof cabinet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7284715B2 (en) * | 2003-10-06 | 2007-10-23 | Amos Mfg., Inc. | Shredding machine |
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2018
- 2018-05-31 CN CN201810543296.XA patent/CN108758344B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202771213U (en) * | 2012-06-11 | 2013-03-06 | 杭州坚信电气设备有限公司 | Explosion-proof positive-pressure cabinet |
| CN202906205U (en) * | 2012-11-09 | 2013-04-24 | 陈元定 | A positive-pressure explosion-proof power distribution cabinet |
| CN205015655U (en) * | 2015-07-15 | 2016-02-03 | 南京华文电气有限公司 | A fuel detonation suppressant system for low pressure regulator cubicle |
| CN205278762U (en) * | 2015-11-18 | 2016-06-01 | 南阳市中通防爆电机电器有限公司 | Explosion -proof switch board gas supply system and explosion -proof switch board |
| CN205457260U (en) * | 2016-03-04 | 2016-08-17 | 江苏埃德伯格电气有限公司 | Intelligence dangerization article fire and explosion protection safety cabinet system |
| CN206958379U (en) * | 2017-07-14 | 2018-02-02 | 沈阳飞驰科技有限公司 | Anti-explosion gas bleeder valve and intellectual monitoring positive pressure explosion-proof cabinet |
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| CN108758344A (en) | 2018-11-06 |
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