CN210292189U - Explosion-proof positive pressure ventilation system - Google Patents
Explosion-proof positive pressure ventilation system Download PDFInfo
- Publication number
- CN210292189U CN210292189U CN201921394187.2U CN201921394187U CN210292189U CN 210292189 U CN210292189 U CN 210292189U CN 201921394187 U CN201921394187 U CN 201921394187U CN 210292189 U CN210292189 U CN 210292189U
- Authority
- CN
- China
- Prior art keywords
- proof
- explosion
- air
- air brake
- pneumatic
- 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
Links
Images
Landscapes
- Ventilation (AREA)
Abstract
The utility model discloses an explosion-proof malleation ventilation system, including the pneumatic explosion-proof fire prevention air brake of air inlet, the gas circuit pipeline is connected on the pneumatic explosion-proof fire prevention air brake upper portion of air inlet, and every way gas circuit pipeline end all connects and is equipped with an explosion-proof centrifugal fan, explosion-proof centrifugal fan front portion is equipped with the non return air brake, non return air brake one end and the other one end of explosion-proof centrifugal fan intercommunication and follow-up gas circuit pipeline intercommunication, follow-up gas circuit pipeline and filtration and detecting element intercommunication, indoor opposite side is equipped with exhaust assembly, exhaust assembly is including the pneumatic explosion-proof fire prevention air brake of airing exhaust, the pneumatic explosion-proof fire prevention air brake right side of airing exhaust is equipped with the gravity air brake. The utility model has the advantages that: not only can detect the hazardous gas environment, but also can greatly reduce the potential safety hazard of the hazardous gas to the indoor space.
Description
Technical Field
The utility model belongs to the technical field of ventilation system, concretely relates to explosion-proof malleation ventilation system.
Background
With the continuous improvement and promotion of the automation level of industrial systems such as petroleum, petrochemical industry, metallurgy, electric power and the like in China, the national control of safety operation of various industries is more and more strict, the existing safety technology products are continuously improved, and an explosion-proof centrifugal fan, an explosion-proof air brake, a non-return air brake and a gravity air brake are mature prior art.
The working room of the field operation personnel in the dangerous environment is generally close to a dangerous area or is in the dangerous environment, the working personnel need to be treated in the working room for a long time every day, the working room can also be called as a positive pressure room, most of the existing positive pressure room structure products can only detect environmental dangers but can not weaken or radically eliminate the dangers faced by the working personnel, the existing positive pressure room structure air supply system has no detection module, the exhaust system has no air exchange function, the life safety of the working personnel in the dangerous environment is hidden danger, and therefore people always look for a solution.
Disclosure of Invention
The utility model provides an explosion-proof malleation ventilation system can not only detect the hazardous gas environment but also can greatly reduce the hazardous gas to indoor potential safety hazard.
In order to solve the technical problem, the utility model discloses a following technical scheme:
an explosion-proof positive pressure ventilation system comprises an air inlet pneumatic explosion-proof and fire-proof air brake, wherein the air inlet pneumatic explosion-proof and fire-proof air brake is located outdoors, the upper part of the air inlet pneumatic explosion-proof and fire-proof air brake is connected with an air path pipeline, the air path pipeline penetrates through a wall body, the air path pipeline inside the wall body is divided into two paths, the end of each air path pipeline is connected with an explosion-proof centrifugal fan, the two explosion-proof centrifugal fans are vertically arranged and correspond to each other up and down in position, the air path pipeline is fixedly connected with the left side of the explosion-proof centrifugal fan, a non-return air brake is arranged at the front part of the explosion-proof centrifugal fan, one end of the non-return air brake is communicated with the explosion-proof centrifugal fan, the other end of the non-return; the indoor opposite side is equipped with the exhaust subassembly, and the exhaust subassembly is equipped with the gas circuit pipeline including the pneumatic explosion-proof fire prevention air brake of airing exhaust, and the pneumatic explosion-proof fire prevention air brake left side of airing exhaust is equipped with the gas circuit pipeline, and the pneumatic explosion-proof fire prevention air brake left side gas circuit pipeline of airing exhaust runs through the wall body, and indoor and outdoor intercommunication is aired, and the pneumatic explosion-proof fire prevention air brake right side of airing exhaust is equipped with the gravity air brake, and the.
Furthermore, the explosion-proof centrifugal fan, the non-return air brake and the air filtering and detecting unit are all located indoors.
Furthermore, the pneumatic explosion-proof fire-proof air brake of air inlet is vertical to be arranged, and the air inlet is arranged at the lower part of the pneumatic explosion-proof fire-proof air brake of air inlet.
Further, explosion-proof flow sensor horizontal arrangement, explosion-proof flow sensor right side is the air outlet.
Further, the exhaust assembly is fixedly connected with the wall body, and the exhaust assembly is supported and fixed through the wall body.
Furthermore, a control system is arranged indoors, the explosion-proof flow sensor is electrically connected with the control system, and the control system is respectively electrically connected with the gravity air brake, the air inlet pneumatic explosion-proof and fire-proof air brake, the explosion-proof centrifugal fan, the air filtering and detecting unit and the air exhaust pneumatic explosion-proof and fire-proof air brake.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model comprises an air inlet pneumatic explosion-proof and fire-proof air brake, which is located outdoors, the upper part of the air inlet pneumatic explosion-proof and fire-proof air brake is connected with an air channel pipeline, the air channel pipeline passes through a wall body, the air channel pipeline inside the wall body is divided into two paths, the end of each air channel pipeline is connected with an explosion-proof centrifugal fan, the front part of the explosion-proof centrifugal fan is provided with a non-return air brake, one end of the non-return air brake is communicated with the explosion-proof centrifugal fan, the other end is communicated with a subsequent air channel pipeline, the subsequent air channel pipeline is communicated with an air filtering and detecting unit, the other side in the room is provided with an exhaust assembly, the exhaust assembly comprises an air exhaust pneumatic explosion-proof and fire-proof air brake, the right side of the air exhaust pneumatic explosion-proof and fire-proof air brake is provided with a gravity air brake, the, the air that the assurance got into the room internal is the air that the suitable human body used, and the pneumatic explosion-proof fire prevention air brake of air inlet control gets into the break-make of the internal air in room to have the function of high temperature automatic disconnection, prevent that outside flame or high-temperature gas from getting into inside, the pneumatic explosion-proof fire prevention air brake of airing exhaust prevents that the air backward flow from causing flame to get into the internal portion in room, and the volume of airing exhaust is adjusted to the gravity air brake, is used for helping to adjust internal pressure.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a right side view of the present invention;
fig. 3 is a schematic structural diagram of the exhaust assembly of the present invention.
In the figure, 1, an air inlet pneumatic explosion-proof and fire-proof air brake, 2, an explosion-proof centrifugal fan, 3, an air filtering and detecting unit, 4, an air path pipeline, 5, a check air brake, 6, a gravity air brake, 7, an explosion-proof flow sensor, 8, an exhaust assembly and 9, an air exhaust pneumatic explosion-proof and fire-proof air brake.
Detailed Description
Example (b): as shown in fig. 1, 2 and 3, the air-supply pneumatic explosion-proof and fire-proof air brake comprises an air-supply pneumatic explosion-proof and fire-proof air brake 1, the air-supply pneumatic explosion-proof and fire-proof air brake 1 is located outdoors, the upper part of the air-supply pneumatic explosion-proof and fire-proof air brake 1 is connected with an air passage pipeline 4, the air passage pipeline 4 penetrates through a wall body, the air passage pipeline 4 inside the wall, the end of each air channel pipeline 4 is connected with an explosion-proof centrifugal fan 2, the two explosion-proof centrifugal fans 2 are vertically arranged and correspond to each other up and down in position, the air channel pipeline 4 is fixedly connected with the left side of the explosion-proof centrifugal fan 2, a non-return air brake 5 is arranged at the front part of the explosion-proof centrifugal fan 2, one end of the non-return air brake 5 is communicated with the explosion-proof centrifugal fan 2, the other end of the non-return air brake is communicated with a subsequent air channel pipeline 4, the two subsequent air channel pipelines 4 are combined into one subsequent air channel pipeline 4, the subsequent air channel pipeline 4 is communicated with an air filtering and detecting unit 3, and the; indoor opposite side is equipped with exhaust subassembly 8, and exhaust subassembly 8 is equipped with gas circuit pipeline 4 including the pneumatic explosion-proof fire prevention air brake 9 of airing exhaust, and the pneumatic explosion-proof fire prevention air brake 9 left side of airing exhaust is equipped with, and the pneumatic explosion-proof fire prevention air brake 9 left side gas circuit pipeline 4 of airing exhaust runs through the wall body, communicates indoor and outdoor, and the pneumatic explosion-proof fire prevention air brake 9 right side of airing exhaust is equipped with gravity air brake 6, and the gravity air brake 6 right side is equipped with explosion-proof flow sensor 7.
Explosion-proof centrifugal fan 2, non return air brake 5, filtration and detecting element 3 all are located indoorly, and 1 vertical the arranging of the pneumatic explosion-proof fire prevention air brake of air inlet, 1 lower part air intake of the pneumatic explosion-proof fire prevention air brake of air inlet, and explosion-proof flow sensor 7 level is arranged, and 7 right sides of explosion-proof flow sensor are the air outlet, and exhaust subassembly 8 and wall body fixed connection, exhaust subassembly 8 are fixed through the wall body support.
The indoor control system is arranged, the explosion-proof flow sensor 7 is electrically connected with the control system, and the control system is respectively electrically connected with the gravity air brake 6, the air inlet pneumatic explosion-proof and fire-proof air brake 1, the explosion-proof centrifugal fan 2, the air filtering and detecting unit 3 and the air exhaust pneumatic explosion-proof and fire-proof air brake 9.
The air inlet pneumatic explosion-proof fireproof air brake 1 controls the on-off of air entering the interior of a house body, has the function of high-temperature automatic disconnection and prevents external flame or high-temperature gas from entering the interior; the explosion-proof centrifugal fan 2 is a power source of the whole ventilation system, ensures that outside air can enter the interior of the house body in a proper amount, and the two fans are mutually standby, so that non-intermittent switching can be realized; the air filtering and detecting unit 3 is internally provided with air processing and detecting equipment to ensure that the air entering the house body is air suitable for human bodies; the gas circuit pipeline 4 is in butt joint communication with each device, and the non-return air brake 5 ensures that no backflow phenomenon exists in the running state of the single fan, so that the stability of gas supply is ensured; the exhaust assembly 8 is an exhaust pipeline integrated with air detection, has a function of detecting air exhausted from the interior and is used for detecting dangerous gas in a room; the pneumatic explosion-proof fireproof air brake 9 for air exhaust prevents flame from entering the room body due to air backflow; the gravity air brake 6 adjusts the air exhaust amount to assist in adjusting the internal pressure; the explosion-proof flow sensor 7 detects the exhaust flow to ensure the balance of air intake and exhaust.
The working process is as follows: after the control system is powered on, the equipment enters a work preparation state, the control system simultaneously starts an explosion-proof centrifugal fan 2, an air inlet pneumatic explosion-proof fireproof air brake 1, an air exhaust pneumatic explosion-proof fireproof air brake 9 and a gravity air brake 6, the indoor air enters a ventilation stage, external air enters a pipeline through the air inlet pneumatic explosion-proof fireproof air brake 1, the explosion-proof centrifugal fan 2 enables air in the pipeline to be finally sent into an air filtering and detecting unit 3 through a non-return air brake 5, the air enters the indoor after being filtered by the air filtering and detecting unit 3, and a gas detector in the air filtering and detecting unit 3 transmits the indoor air condition to the control system; indoor waste gas gets into exhaust subassembly 8, loop through the pneumatic explosion-proof fire damper 9 of airing exhaust, gravity air brake 6, explosion-proof flow sensor 7 gets rid of outdoors, the left gas detector of the pneumatic explosion-proof fire damper 9 of airing exhaust will get rid of the gas condition and transmit for control system through the pneumatic explosion-proof fire damper 9 of airing exhaust, explosion-proof flow sensor 7 is used for detecting the exhaust flow, explosion-proof flow sensor 7 transmits the exhaust flow condition back to control system, operating personnel can be according to the exhaust flow of explosion-proof flow sensor 7 transmission, control gravity air brake 6 through control system, further change the proportion of airing exhaust, thereby adjust internal pressure.
Claims (6)
1. An explosion-proof positive pressure ventilation system which characterized in that: the air inlet pneumatic explosion-proof and fire-proof air brake comprises an air inlet pneumatic explosion-proof and fire-proof air brake (1), wherein the air inlet pneumatic explosion-proof and fire-proof air brake (1) is positioned outdoors, the upper part of the air inlet pneumatic explosion-proof and fire-proof air brake (1) is connected with an air path pipeline (4), the air path pipeline (4) penetrates through a wall body, the air path pipeline (4) inside the wall body is divided into two paths, the end of each air path pipeline (4) is connected with an explosion-proof centrifugal fan (2), the two explosion-proof centrifugal fans (2) are vertically arranged and correspond to each other up and down in position, the air path pipeline (4) is fixedly connected with the left side of the explosion-proof centrifugal fan (2), the front part of the explosion-proof centrifugal fan (2) is provided with a non-return air brake (5), one end of the non-return air brake (5) is communicated with the explosion-proof centrifugal fan (2), the other end of the non-, an explosion-proof gas detector is arranged in the air filtering and detecting unit (3), and the air filtering and detecting unit (3) discharges gas indoors; indoor opposite side is equipped with exhaust subassembly (8), exhaust subassembly (8) are including pneumatic explosion-proof fire prevention air brake (9) of airing exhaust, pneumatic explosion-proof fire prevention air brake (9) left side of airing exhaust is equipped with gas circuit pipeline (4), pneumatic explosion-proof fire prevention air brake (9) of airing exhaust left side gas circuit pipeline (4) run through the wall body, communicate indoor and outdoor, pneumatic explosion-proof fire prevention air brake (9) left side of airing exhaust is equipped with explosion-proof gas detector, pneumatic explosion-proof fire prevention air brake (9) right side of airing exhaust is equipped with gravity air brake (6), gravity air brake (6) right side is equipped with explosion-proof flow sensor (7.
2. An explosion proof positive pressure ventilation system according to claim 1 wherein: the anti-explosion centrifugal fan (2), the non-return air brake (5) and the air filtering and detecting unit (3) are all located indoors.
3. An explosion proof positive pressure ventilation system according to claim 1 wherein: the air inlet pneumatic explosion-proof fireproof air brake (1) is vertically arranged, and an air inlet is arranged at the lower part of the air inlet pneumatic explosion-proof fireproof air brake (1).
4. An explosion proof positive pressure ventilation system according to claim 1 wherein: the explosion-proof flow sensor (7) is horizontally arranged, and the right side of the explosion-proof flow sensor (7) is provided with an air outlet.
5. An explosion proof positive pressure ventilation system according to claim 1 wherein: the exhaust assembly (8) is fixedly connected with the wall body, and the exhaust assembly (8) is supported and fixed through the wall body.
6. An explosion proof positive pressure ventilation system according to claim 1 wherein: the indoor control system is arranged, the explosion-proof flow sensor (7) is electrically connected with the control system, and the control system is electrically connected with the gravity air brake (6), the air inlet pneumatic explosion-proof and fire-proof air brake (1), the air exhaust pneumatic explosion-proof and fire-proof air brake (9), the explosion-proof centrifugal fan (2) and the air filtering and detecting unit (3) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921394187.2U CN210292189U (en) | 2019-08-26 | 2019-08-26 | Explosion-proof positive pressure ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921394187.2U CN210292189U (en) | 2019-08-26 | 2019-08-26 | Explosion-proof positive pressure ventilation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210292189U true CN210292189U (en) | 2020-04-10 |
Family
ID=70063159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921394187.2U Active CN210292189U (en) | 2019-08-26 | 2019-08-26 | Explosion-proof positive pressure ventilation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210292189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111634384A (en) * | 2020-05-28 | 2020-09-08 | 中国船舶工业集团公司第七0八研究所 | Positive pressure air lock system between ship and platform air lock |
-
2019
- 2019-08-26 CN CN201921394187.2U patent/CN210292189U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111634384A (en) * | 2020-05-28 | 2020-09-08 | 中国船舶工业集团公司第七0八研究所 | Positive pressure air lock system between ship and platform air lock |
| CN111634384B (en) * | 2020-05-28 | 2021-10-08 | 中国船舶工业集团公司第七0八研究所 | Positive pressure air lock system between ship and platform air lock |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105107103A (en) | Integrated nitrogen injection oxygen control fire protection device | |
| CN203299982U (en) | Building fire alarm and automatic control system | |
| CN211290114U (en) | Smoke prevention and exhaust system | |
| CN209967468U (en) | Kitchen fire extinguishing induction system | |
| CN210292189U (en) | Explosion-proof positive pressure ventilation system | |
| CN214615667U (en) | Positive pressure explosion-proof room control system for analysis cabin | |
| CN100526696C (en) | Draw-out type fire-fighting fire-proof valve | |
| CN110896576A (en) | Intelligent control type fire-fighting emergency lighting evacuation system with centralized power supply and construction method thereof | |
| CN208803748U (en) | A kind of positive-pressure explosion-proof experiment room | |
| CN111735162B (en) | Multipurpose air-regulating fire refuge device for residential toilet | |
| CN204932656U (en) | A kind of integrated form note nitrogen control oxygen firebreak device | |
| CN115973397A (en) | Intelligent environment-friendly control system for cabin ventilation | |
| CN200955269Y (en) | Thermotechnical operation house | |
| CN209926530U (en) | Intelligent pressure difference measuring and controlling device for fire-fighting positive-pressure air supply system | |
| CN208338103U (en) | A kind of power control cabinet with explosion prevention function | |
| CN207852046U (en) | Home furnishings intelligent environment warning device | |
| CN112735101A (en) | Gas leakage network linkage alarm device based on household Internet of things system | |
| CN110030603B (en) | Range hood with fresh air function | |
| CN111426003A (en) | Anti-explosion control room air conditioning system and anti-explosion control room air conditioning method | |
| CN205957990U (en) | Miniature air flow sensor | |
| CN207517166U (en) | Home furnishings intelligent environment warning device | |
| CN204421271U (en) | Self-extinguishing fresh wind tube net system | |
| CN221172514U (en) | Intelligent monitoring air supply and exhaust system for kitchen gas leakage | |
| CN220169601U (en) | Air treatment unit for class A closed workshop | |
| CN216600431U (en) | Positive pressure type explosion-proof electrical cabinet with automatic fire extinguishing function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |