CN214615667U - Positive pressure explosion-proof room control system for analysis cabin - Google Patents

Positive pressure explosion-proof room control system for analysis cabin Download PDF

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Publication number
CN214615667U
CN214615667U CN202023274952.2U CN202023274952U CN214615667U CN 214615667 U CN214615667 U CN 214615667U CN 202023274952 U CN202023274952 U CN 202023274952U CN 214615667 U CN214615667 U CN 214615667U
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explosion
proof
room
positive pressure
malleation
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CN202023274952.2U
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孙永圆
李俊
高栓
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Nanyang Te'an Explosion Proof Electric Co ltd
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Nanyang Te'an Explosion Proof Electric Co ltd
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Abstract

The utility model provides a positive pressure explosion-proof room control system for an analysis cabin, which comprises a positive pressure room, an air intake device, a filtering device, an exhaust mechanism and an alarm mechanism, wherein the air intake device comprises an explosion-proof centrifugal fan arranged at the upper end of the positive pressure room, an air inlet is arranged on the positive pressure room, the filtering device comprises a filtering fan arranged corresponding to one side of the explosion-proof centrifugal fan, the filtering fan is communicated with the explosion-proof centrifugal fan, an air detector is arranged at the joint of the filtering fan and the explosion-proof centrifugal fan, one end of the explosion-proof centrifugal fan is provided with a connecting air pipe, a first gravity air brake is arranged on the connecting air pipe, and the connecting air pipe penetrates through the wall body of the positive pressure room and is arranged at the inner end of the positive pressure room. The practicability is strong.

Description

Positive pressure explosion-proof room control system for analysis cabin
Technical Field
The utility model relates to an explosion-proof technical field, concretely relates to malleation explosion-proof room control system that analysis cabin was used.
Background
At present, in the fields of petrochemical industry, drilling platforms and the like, a driller room of an oil platform and a gas room of a chemical workshop are important places for field operation and research and analysis, but the places are generally limited in space and are in flammable and explosive dangerous environments for a long time, the dangerous gas environment can cause great potential safety hazards to the operation of field equipment, and great negative effects are caused to the health safety of indoor operators.
Therefore, a device is needed which can not only provide a certain safety space during the working process of the personnel, but also improve the safety of the personnel.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a can enough have the space of certain security in personnel's working process, can also improve personnel's self safety's device.
In order to solve the technical problem, the utility model provides a positive pressure explosion-proof room control system for an analysis cabin, which comprises a positive pressure room, an air inlet device, a filtering device, an exhaust mechanism and an alarm mechanism, wherein the air inlet device comprises an explosion-proof centrifugal fan arranged at the upper end of the positive pressure room, an air inlet is arranged on the positive pressure room, the filtering device comprises a filtering fan arranged corresponding to one side of the explosion-proof centrifugal fan, the filtering fan is communicated with the explosion-proof centrifugal fan, an air detector is arranged at the joint of the filtering fan and the explosion-proof centrifugal fan, one end of the explosion-proof centrifugal fan is provided with a connecting air pipe, a first gravity air brake is arranged on the connecting air pipe, and a wall body of the connecting air pipe penetrating through the positive pressure room is arranged at the inner end of the positive pressure room;
exhaust mechanism is including setting up the exhaust subassembly in malleation room one side, exhaust subassembly is including setting up the gas vent on the malleation room, the gas vent intercommunication connect the trachea, connect the trachea intercommunication the inboard outside in malleation room, set up the second gravity air brake on the gas vent, correspond second gravity air brake one side sets up the explosion-proof spark arrester of pipeline formula in the exhaust hole, set up explosion-proof flow sensor on the second gravity air brake, set up the combustible gas detector in the malleation room, first gravity air brake, second gravity air brake and explosion-proof flow sensor and combustible gas detector interconnect.
Further, set up smoke transducer, differential pressure sensor, PLC control box in the malleation room, differential pressure sensor includes first safety barrier smoke transducer includes the second safety barrier, differential pressure sensor and smoke transducer pass through first safety barrier, the safe PLC control box signal input part of being connected of second, set up explosion-proof type hazardous gas detector on the air intake, explosion-proof type hazardous gas detector includes the third safety barrier, explosion-proof type hazardous gas detector passes through third safety barrier intercommunication PLC control box signal input part.
Furthermore, an explosion-proof air conditioner is arranged in the positive pressure room, and comprises an indoor unit and an outdoor unit, wherein the indoor unit is arranged in the positive pressure room, and the outdoor unit is arranged outside the positive pressure room.
Further, state alarm mechanism including running through the drill way that sets up on malleation room lateral wall upper portion, set up inside and outside two audible-visual annunciators in the drill way, inside and outside two audible-visual annunciators connect the PLC control box.
Further, set up a body on the malleation room, correspond the door body sets up double-deck clear glass on malleation room both sides upper portion, corresponds the door body sets up the buffering room in malleation room inside, set up explosion-proof lamp, explosion-proof switch in the malleation room.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
the explosion-proof air conditioner is arranged at the top of the analysis room, so that the indoor and outdoor occupied space of the positive pressure room is effectively saved; through the arrangement of the air filtering device, the air supply pipeline, the positive pressure room and the air outlet which are simple and effective in structure and are mutually communicated, the air circulation system can send safe and clean air into the analysis room, further realize the establishment of a positive pressure explosion-proof environment in the positive pressure room, and improve the practicability of products; through setting up differential pressure switch and smog detector, and cooperate with the use of the central processing module, make the utility model can regulate the indoor pressure of the analysis room automatically, prevent too big or too little pressure from causing the harmful effects to indoor equipment and operating personnel, has guaranteed the indoor personnel's comfort level under the environment of the positive pressure, guarantee the indoor personnel's health and safe and reliable work of apparatus and instrument and meter; through set up explosion-proof type hazardous gas detector at the air intake, make the utility model discloses can in time close the fan and stop the operation of room interior equipment when externally harmful gas concentration is too high, prevent that harmful gas from endangering the person and the equipment property safety in getting into the analysis room, further guarantee the safety and the steady operation of production site. The inside and outside of the room are provided with double audible and visual alarms, so that when dangerous gas alarm or smoke alarm occurs, the inside and outside of the room simultaneously give out audible alarm and flashing alarm to remind people to avoid danger and evacuate.
Drawings
Fig. 1 is a schematic structural diagram of a front view of a positive pressure explosion-proof room control system for an analysis cabin of the present invention;
fig. 2 is the utility model discloses the structural schematic diagram of the face of looking down of malleation explosion-proof room control system that analysis cabin was used.
1. A positive pressure chamber; 2. an explosion-proof centrifugal fan; 3. a filter fan; 4. connecting an air pipe; 5. an air inlet; 6. a first gravity damper; 7. an explosion-proof type hazardous gas detector; 8. an exhaust assembly; 9. a second gravity damper; 10. an internal and external sound-light alarm; 11. an explosion-proof lamp; 12. an explosion-proof air conditioner; 13. an explosion-proof switch; 14. a buffer room; 15. a smoke sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1-2 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
Example one
As shown in fig. 1-2: the utility model provides an explosion-proof room control system of malleation that analysis cabin was used which characterized in that: the air inlet device comprises an explosion-proof centrifugal fan 2 arranged at the upper end of the positive pressure room 1, an air inlet 5 is arranged on the positive pressure room 1, the filtering device comprises a filtering fan 3 arranged corresponding to one side of the explosion-proof centrifugal fan 2, the filtering fan 3 is communicated with the explosion-proof centrifugal fan 2, an air detector is arranged at the joint of the filtering fan 3 and the explosion-proof centrifugal fan 2, a connecting air pipe 4 is arranged at one end of the explosion-proof centrifugal fan 2, a first gravity air brake 6 is arranged on the connecting air pipe 4, and the connecting air pipe 4 penetrates through the wall body of the positive pressure room 1 and is arranged at the inner end of the positive pressure room 1;
exhaust mechanism is including setting up the exhaust subassembly 8 in 1 one side in malleation room, exhaust subassembly 8 is including setting up the gas vent on malleation room 1, the gas vent intercommunication connecting tubes 4, connecting tubes 4 intercommunication 1 inside and outside in malleation room, set up second gravity air brake 9 on the gas vent, correspond second gravity air brake 9 one side sets up the explosion-proof flame arrester of pipeline formula in the exhaust hole, set up explosion-proof flow sensor on the second gravity air brake 9, set up the combustible gas detector on the air intake 5, first gravity air brake 6, second gravity air brake 9 and explosion-proof flow sensor and combustible gas detector interconnect.
Specifically, the following steps are carried out; introducing fresh air into an air inlet through a safety area by using an explosion-proof centrifugal fan, connecting a gas path pipeline to penetrate through a roof after passing through an air filtering device, and adding a gravity air brake at the middle part to form a one-way channel for introducing the air into a room; the indoor opposite side is equipped with the exhaust subassembly, and the exhaust subassembly is including arranging the explosion-proof spark arrester of gravity air brake and pipeline formula, and the gravity air brake of airing exhaust connects the gas circuit pipeline and runs through the wall body, and indoor and outdoor intercommunication, gravity air brake are equipped with explosion-proof flow sensor, except that the gas vent of intaking in the stage of taking a breath all need be opened, utilize the air intake flow to be greater than the gas vent flow, form the malleation in the room to reach the explosion-proof purpose of malleation. Therefore, on the premise of ensuring explosion-proof safety, the cost is reduced to the maximum extent, and the explosion-proof safety device is simple in structure, economical and practical, strong in reliability and stability and strong in practicability.
According to an embodiment of the present invention, as shown in fig. 1 and 2;
set up smoke transducer 15, differential pressure sensor, PLC control box in malleation room 1, differential pressure sensor include first safety barrier smoke transducer 15 includes the second safety barrier, differential pressure sensor and smoke transducer 15 are through the safe PLC control box signal input part of being connected of first safety barrier, second, set up explosion-proof type hazardous gas detector 7 in malleation room 1, explosion-proof type hazardous gas detector 7 includes the third safety barrier, explosion-proof type hazardous gas detector 7 passes through third safety barrier intercommunication PLC control box signal input part. Through setting up differential pressure switch and smog detector, and cooperate with the use of the central processing module, make the utility model can regulate the indoor pressure of the analysis room automatically, prevent too big or too little pressure from causing the harmful effects to indoor equipment and operating personnel, has guaranteed the indoor personnel's comfort level under the environment of the positive pressure, guarantee the indoor personnel's health and safe and reliable work of apparatus and instrument and meter; through set up explosion-proof type hazardous gas detector at the air intake, make the utility model discloses can in time close the fan and stop the operation of room interior equipment when externally harmful gas concentration is too high, prevent that harmful gas from endangering the person and the equipment property safety in getting into the analysis room, further guarantee the safety and the steady operation of production site.
According to an embodiment of the present invention, as shown in fig. 2;
the explosion-proof air conditioner 12 is arranged in the positive pressure room 1, the explosion-proof air conditioner 12 comprises an indoor unit and an outdoor unit, the indoor unit is arranged in the positive pressure room 1, and the outdoor unit is arranged on the outer side of the positive pressure room 1. By arranging the explosion-proof air conditioner at the top of the analysis room, the indoor and outdoor occupied space of the positive pressure room is effectively saved.
According to an embodiment of the present invention, as shown in fig. 2;
alarm mechanism is including running through the drill way that sets up on 1 lateral wall upper portion in malleation room, set up inside and outside two audible-visual annunciators 10 in the drill way, inside and outside two audible-visual annunciators 10 connect the PLC control box. The inside and outside of the room are provided with double audible and visual alarms, so that when dangerous gas alarm or smoke alarm occurs, the inside and outside of the room simultaneously give out audible alarm and flashing alarm to remind people to avoid danger and evacuate.
According to an embodiment of the present invention, as shown in fig. 1;
set up the door body on malleation room 1, correspond the door body sets up double-deck transparent glass on 1 both sides upper portion in malleation room, corresponds the door body sets up buffer room 14 in malleation room 1 is inside, set up explosion-proof lamp 11, explosion-proof switch 13 in the malleation room 1. Through setting up explosion-proof lamp and the explosion-proof switch in the malleation room, can be timely send out the warning, reach certain safety condition under the explosion-proof switch explosion-proof lamp of closing.
The utility model discloses a use method:
introducing fresh air into an air inlet through a safety area by using an explosion-proof centrifugal fan, connecting a gas path pipeline to penetrate through a roof after passing through an air filtering device, and adding a gravity air brake at the middle part to form a one-way channel for introducing the air into a room; the indoor opposite side is equipped with the exhaust subassembly, and the exhaust subassembly is including arranging the explosion-proof spark arrester of gravity air brake and pipeline formula, and the gravity air brake of airing exhaust connects the gas circuit pipeline and runs through the wall body, and indoor and outdoor intercommunication, gravity air brake are equipped with explosion-proof flow sensor, except that the gas vent of intaking in the stage of taking a breath all need be opened, utilize the air intake flow to be greater than the gas vent flow, form the malleation in the room to reach the explosion-proof purpose of malleation.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. The utility model provides an explosion-proof room control system of malleation that analysis cabin was used which characterized in that: the air inlet device comprises an explosion-proof centrifugal fan (2) arranged at the upper end of the positive pressure room (1), an air inlet device, a filtering device, an exhaust mechanism and an alarm mechanism, wherein the air inlet device comprises an air inlet (5) arranged on the positive pressure room (1), the filtering device comprises a filtering fan (3) arranged on one side of the explosion-proof centrifugal fan (2), the filtering fan (3) is communicated with the explosion-proof centrifugal fan (2), an air detection machine is arranged at the joint of the filtering fan (3) and the explosion-proof centrifugal fan (2), one end of the explosion-proof centrifugal fan (2) is provided with a connecting air pipe (4), a first gravity air brake (6) is arranged on the connecting air pipe (4), and the connecting air pipe (4) penetrates through the wall of the positive pressure room (1) and is arranged at the inner end of the positive pressure room (1);
exhaust mechanism is including setting up exhaust subassembly (8) in malleation room (1) one side, exhaust subassembly (8) is including setting up the gas vent on malleation room (1), the gas vent intercommunication connecting tubes (4), connecting tubes (4) intercommunication malleation room (1) inside and outside, set up second gravity air brake (9) on the gas vent, correspond second gravity air brake (9) one side sets up the explosion-proof spark arrester of pipeline formula in the exhaust hole, set up explosion-proof flow sensor on second gravity air brake (9), set up the combustible gas detector on air intake (5), first gravity air brake (6), second gravity air brake (9) and explosion-proof flow sensor and combustible gas detector interconnect.
2. The positive pressure explosion-proof housing control system for an analysis cabin according to claim 1, wherein: set up smoke transducer (15), differential pressure sensor, PLC control box in malleation room (1), differential pressure sensor includes first safety barrier smoke transducer (15) include the second safety barrier, differential pressure sensor and smoke transducer (15) are through the safe PLC control box signal input part of being connected of first safety barrier, second, set up explosion-proof type hazardous gas detector (7) in malleation room (1), explosion-proof type hazardous gas detector (7) include the third safety barrier, explosion-proof type hazardous gas detector (7) are through third safety barrier intercommunication PLC control box signal input part.
3. The positive pressure explosion-proof housing control system for an analysis cabin according to claim 1, wherein: the explosion-proof air conditioner (12) is arranged in the positive pressure room (1), the explosion-proof air conditioner (12) comprises an indoor unit and an outdoor unit, the indoor unit is arranged in the positive pressure room (1), and the outdoor unit is arranged on the outer side of the positive pressure room (1).
4. The positive pressure explosion-proof housing control system for an analysis cabin according to claim 1, wherein: alarm mechanism is including running through the drill way that sets up on malleation room (1) lateral wall upper portion, set up inside and outside two audible-visual annunciators (10) in the drill way, PLC control box is connected in inside and outside two audible-visual annunciators (10).
5. The positive pressure explosion-proof housing control system for an analysis cabin according to claim 1, wherein: set up the door body on malleation room (1), correspond the door body sets up double-deck transparent glass on malleation room (1) both sides upper portion, corresponds the door body is at the inside buffering room (14) that sets up in malleation room (1), set up explosion-proof lamp (11), explosion-proof switch (13) in malleation room (1).
CN202023274952.2U 2020-12-30 2020-12-30 Positive pressure explosion-proof room control system for analysis cabin Active CN214615667U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023274952.2U CN214615667U (en) 2020-12-30 2020-12-30 Positive pressure explosion-proof room control system for analysis cabin

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Application Number Priority Date Filing Date Title
CN202023274952.2U CN214615667U (en) 2020-12-30 2020-12-30 Positive pressure explosion-proof room control system for analysis cabin

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CN214615667U true CN214615667U (en) 2021-11-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115030565A (en) * 2022-05-09 2022-09-09 昆山同日机器人智能科技有限公司 High-pressure gas explosion-proof pressure test room
CN115680326A (en) * 2022-10-25 2023-02-03 江苏高倍智能装备有限公司 Positive pressure explosion-proof room for electrical appliance protection in carbon fiber workshop

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115030565A (en) * 2022-05-09 2022-09-09 昆山同日机器人智能科技有限公司 High-pressure gas explosion-proof pressure test room
CN115030565B (en) * 2022-05-09 2023-09-08 昆山同日机器人智能科技有限公司 High-pressure gas explosion-proof pressure test room
CN115680326A (en) * 2022-10-25 2023-02-03 江苏高倍智能装备有限公司 Positive pressure explosion-proof room for electrical appliance protection in carbon fiber workshop

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