CN215822177U - Automatic fire extinguisher for electrostatic powder spraying chamber - Google Patents
Automatic fire extinguisher for electrostatic powder spraying chamber Download PDFInfo
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- CN215822177U CN215822177U CN202121877528.9U CN202121877528U CN215822177U CN 215822177 U CN215822177 U CN 215822177U CN 202121877528 U CN202121877528 U CN 202121877528U CN 215822177 U CN215822177 U CN 215822177U
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Abstract
The utility model discloses an automatic fire extinguishing device for an electrostatic powder spraying room, which belongs to the technical field of automatic fire extinguishing of spraying rooms and comprises a powder spraying room, the outer side of the powder spraying room is provided with an automatic fire extinguishing mechanism for preventing the powder spraying room from firing, the automatic fire extinguishing mechanism comprises a fire extinguishing component arranged at the outer side of the powder spraying room and a driving mechanism for driving the fire extinguishing component to work, in the utility model, through the mutual matching of the fire extinguishing component and the driving mechanism, the ignition point is quickly extinguished by utilizing the high-pressure carbon dioxide gas, the combustible source is cut off, the safety of the spraying assembly line and the operating personnel is ensured, the damage to the spraying indoor equipment after large-scale ignition is prevented, meanwhile, the carbon dioxide gas can not carry out secondary damage on the structure and the equipment in the spraying chamber, the reliability of the automatic fire extinguishing mechanism is greatly improved, and the problem that the traditional method only cuts off the recovery pipeline and then burns dust to damage the equipment is solved.
Description
Technical Field
The utility model relates to the technical field of automatic fire extinguishing of spraying rooms, in particular to an automatic fire extinguishing device of an electrostatic powder spraying room.
Background
The electrostatic powder spray method works almost exactly the same as the electrostatic spray method of a general liquid coating, except that the powder spray is dispersed, not atomized. It is made up by using coating material sprayed from electrostatic powder spray gun, at the same time of dispersing the powder particles, making the powder particles be negatively charged, and coating the charged powder particles on the grounded object to be coated by the action of air flow (or centrifugal force or other acting force) and electrostatic attraction force, then heating, melting and solidifying so as to obtain the invented film. Electrostatic powder spraying is a powder coating method that is dominant in the industrial coating field.
Electrostatic spraying is also safe and non-trivial, and to safety considerations, must be equipped with fire alarm early warning and installation extinguishing device in the current spray booth, if the indoor electrostatic powder of spray booth catches fire, will cause uncontrollable loss. The existing device can trigger alarm in a fire hazard dangerous situation to enable the cut-off recovery pipeline to be connected with the spraying chamber, dust explosion in the dust collecting chamber is restrained, economic loss and casualties are reduced to a certain extent, although the arrangement can reduce loss, spraying equipment in the spraying chamber is still damaged, and therefore maintenance cost is increased, and the automatic fire extinguishing device for the electrostatic powder spraying chamber is provided more effectively and safely.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: in order to solve the problems, an automatic fire extinguishing device for an electrostatic powder spraying chamber is provided.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the automatic fire extinguishing device for the electrostatic powder spraying room comprises a powder spraying room, wherein an automatic fire extinguishing mechanism for preventing the powder spraying room from being on fire is arranged on the outer side of the powder spraying room, and the automatic fire extinguishing mechanism comprises a fire extinguishing component arranged on the outer side of the powder spraying room and a driving mechanism for driving the fire extinguishing component to work;
the fire extinguishing assembly comprises a carbon dioxide weighing bottle rack and four carbon dioxide fire extinguishing agents arranged inside the carbon dioxide weighing bottle rack, the upper end of each carbon dioxide fire extinguishing agent is connected with a container valve, the output end of each container valve is provided with a high-pressure connecting hose, the four high-pressure connecting hoses are all communicated with a collecting pipe arranged above the carbon dioxide weighing bottle rack, and the middle part of each high-pressure connecting hose is provided with a one-way valve;
the driving mechanism comprises two driving gas bottles arranged outside the powder spraying room, the output ends of the driving gas bottles are communicated with the input control end of the selection controller through driving gas connecting pipes, the output end of the selection controller is communicated with a powder spraying head frame fixedly arranged inside the powder spraying room through a conveying pipeline, a pressure switch valve convenient for adjusting pipeline pressure is arranged in the middle of the conveying pipeline, and an electromagnetic type driving controller for controlling the driving gas bottles to be opened or closed is arranged at the upper ends of the driving gas bottles;
one end of the collecting pipe is provided with a blind plate, one end of the collecting pipe, which is positioned on the blind plate, is provided with a safety valve, and the other end of the collecting pipe is communicated with the input end of the selection controller.
As a further description of the above technical solution:
the carbon dioxide weighing bottle rack is characterized in that the lower end of the middle of the carbon dioxide weighing bottle rack is connected with the upper end of a carbon dioxide extinguishing agent in a clamping mode through the weighing rack, a gravity sensor is arranged inside the weighing rack, the signal output end of the gravity sensor is electrically connected with the signal input end of an external data controller, and the signal output end of the external data controller is electrically connected with the signal input end of a buzzer.
As a further description of the above technical solution:
the signal input end of the electromagnetic type driving controller is electrically connected with the output end of an external data controller, the input end of the external data controller is electrically connected with the signal output end of an explosion-proof type ultraviolet flame detector arranged inside the powder spraying room, and the type of the explosion-proof type ultraviolet flame detector is A705/UV.
As a further description of the above technical solution:
the control mode of the selection controller is divided into automatic control and manual control, and the type of the selection controller is a fire alarm controller JB-QB-LD128EN (M) -64C.
As a further description of the above technical solution:
the model of the electromagnetic type driving controller is DQQ-90N/M18.
As a further description of the above technical solution:
the driving gas in the driving gas bottle is nitrogen.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
according to the automatic fire extinguishing mechanism, through the mutual matching of the fire extinguishing assembly and the driving mechanism, the ignition point is quickly extinguished by using high-pressure carbon dioxide gas, the combustible source is cut off, the safety of a spraying assembly line and operators is ensured, the damage to equipment in a spraying chamber after large-scale ignition is prevented, meanwhile, the carbon dioxide gas cannot secondarily damage the structure and the equipment in the spraying chamber, the reliability of the automatic fire extinguishing mechanism is greatly improved, and the damage to the equipment caused by dust combustion after a recovery pipeline is cut off in the prior art is solved.
Drawings
FIG. 1 is a schematic diagram of an automatic fire extinguishing mechanism according to an embodiment of the present invention;
FIG. 2 illustrates a schematic structural view of a fire suppression assembly provided in accordance with an embodiment of the present invention;
fig. 3 illustrates a schematic diagram of a fire alarm provided according to an embodiment of the present invention.
Illustration of the drawings: 1. a powder spraying room; 2. an automatic fire extinguishing mechanism; 3. a fire extinguishing assembly; 4. a drive mechanism; 301. a carbon dioxide weighing bottle rack; 302. a carbon dioxide fire extinguishing agent; 303. a container valve; 304. a high pressure connection hose; 305. a header pipe; 401. a drive gas bottle; 402. selecting a controller; 403. a delivery line; 404. a pressure switching valve; 405. electromagnetic drive controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
the automatic fire extinguishing device for the electrostatic powder spraying room comprises a powder spraying room 1, wherein an automatic fire extinguishing mechanism 2 for preventing the powder spraying room 1 from firing is arranged on the outer side of the powder spraying room 1, and the automatic fire extinguishing mechanism 2 comprises a fire extinguishing component 3 arranged on the outer side of the powder spraying room 1 and a driving mechanism 4 for driving the fire extinguishing component 3 to work;
the fire extinguishing assembly 3 comprises a carbon dioxide weighing bottle rack 301 and four carbon dioxide fire extinguishing agents 302 arranged inside the carbon dioxide weighing bottle rack 301, the upper end of each carbon dioxide fire extinguishing agent 302 is connected with a container valve 303, the output end of each container valve 303 is provided with a high-pressure connecting hose 304, the four high-pressure connecting hoses 304 are all communicated with a collecting pipe 305 arranged above the carbon dioxide weighing bottle rack 301, and the middle part of each high-pressure connecting hose 304 is provided with a one-way valve;
the driving mechanism 4 comprises two driving gas bottles 401 arranged outside the powder spraying room 1, the output ends of the driving gas bottles 401 are communicated with the input control end of the selection controller 402 through driving gas connecting pipes, the output end of the selection controller 402 is communicated with a spraying head frame fixedly arranged inside the powder spraying room 1 through a conveying pipeline 403, the middle part of the conveying pipeline 403 is provided with a pressure switch valve 404 convenient for adjusting pipeline pressure, and the upper ends of the driving gas bottles 401 are provided with electromagnetic driving controllers 405 for controlling the driving gas bottles 401 to open or close;
one end of the collecting pipe 305 is provided with a blind plate, and one end of the collecting pipe 305 located at the blind plate is provided with a safety valve, and the other end of the collecting pipe 305 is communicated with the input end of the selection controller 402.
Further, the middle lower end of the carbon dioxide weighing bottle frame 301 is connected with the upper end of the carbon dioxide extinguishing agent 302 in a clamping mode through the weighing frame, a gravity sensor is arranged inside the weighing frame, the signal output end of the gravity sensor is electrically connected with the signal input end of an external data controller, and the signal output end of the external data controller is electrically connected with the signal input end of a buzzer.
Further, a signal input end of the electromagnetic type driving controller 405 is electrically connected with an output end of an external data controller, an input end of the external data controller is electrically connected with a signal output end of an explosion-proof type ultraviolet flame detector arranged inside the powder spraying room 1, and the explosion-proof type ultraviolet flame detector is A705/UVEX.
Further, the control mode of the selection controller 402 is divided into automatic control and manual control, and the type of the selection controller 402 is fire alarm controller linkage type JB-QB-LD128EN (M) -64C.
Further, the electromagnetic type driving controller 405 is of a type of DQQ-90N/M18.
Further, the driving gas in the driving gas bottle 401 is nitrogen.
The working principle is as follows: when in use, when the control mode of the controller 402 is selected to be an automatic mode, the explosion-proof type ultraviolet flame detector in the powder spraying room 1 transmits a fire signal to the external data controller after detecting the fire signal, the external data controller sends a control signal to the electromagnetic type driving controller 405 at the upper end of the driving gas bottle 401 after processing, thereby allowing the nitrogen gas inside the driving gas cylinder 401 to enter the selection controller 402 through the driving gas connection pipe, further allowing the output terminal of the selection controller 402 to be opened, when the output of the selective controller 402 is opened, the high-pressure carbon dioxide gas inside the four carbon dioxide fire extinguishing agents 302 enters the collecting main 305 through the high-pressure connecting hose 304, the carbon dioxide enters the selection controller 402 through the collecting pipe 305, finally enters the conveying pipeline 403 from the output end of the selection controller 402, and the high-pressure carbon dioxide gas entering the conveying pipeline 403 is sprayed out from the nozzle frame to extinguish the ignition point in the powder spraying room 1;
when the control mode of the selection controller 402 is a manual mode, personnel judge that the personnel should rapidly evacuate from the protection area when a fire breaks out, and after confirming that no personnel exist in the protection area, the output end of the selection controller 402 can be rapidly opened by pressing a button above the selection controller 402 outside the protection area, so that the carbon dioxide extinguishing agent is released, and the fire is extinguished;
the gravity sensor transmits signals to the external data controller in real time, the external data controller processes the signals, and when the weight of the carbon dioxide extinguishing agent 302 is reduced to a certain value, the external data controller controls the buzzer to alarm to remind an operator to replace the carbon dioxide extinguishing agent 302.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The automatic fire extinguishing device for the electrostatic powder spraying room comprises a powder spraying room (1), and is characterized in that an automatic fire extinguishing mechanism (2) for preventing the powder spraying room (1) from firing is arranged on the outer side of the powder spraying room (1), and the automatic fire extinguishing mechanism (2) comprises a fire extinguishing component (3) arranged on the outer side of the powder spraying room (1) and a driving mechanism (4) for driving the fire extinguishing component (3) to work;
the fire extinguishing assembly (3) comprises a carbon dioxide weighing bottle rack (301) and four carbon dioxide fire extinguishing agents (302) arranged inside the carbon dioxide weighing bottle rack (301), the upper end of the carbon dioxide fire extinguishing agent (302) is connected with a container valve (303), the output end of the container valve (303) is provided with a high-pressure connecting hose (304), the four high-pressure connecting hoses (304) are all communicated with a collecting pipe (305) arranged above the carbon dioxide weighing bottle rack (301), and the middle part of each high-pressure connecting hose (304) is provided with a one-way valve;
the powder spraying mechanism comprises a powder spraying room (1), a driving mechanism (4) and a selection controller (402), wherein the driving mechanism (4) comprises two driving gas bottles (401) arranged on the outer side of the powder spraying room (1), the output ends of the driving gas bottles (401) are communicated with the input control end of the selection controller (402) through driving gas connecting pipes, the output end of the selection controller (402) is communicated with a spraying head frame fixedly arranged in the powder spraying room (1) through a conveying pipeline (403), the middle part of the conveying pipeline (403) is provided with a pressure switch valve (404) convenient for adjusting pipeline pressure, and the upper end of each driving gas bottle (401) is provided with an electromagnetic type driving controller (405) for controlling the driving gas bottle (401) to be opened or closed;
one end of the collecting pipe (305) is provided with a blind plate, one end, located at the blind plate, of the collecting pipe (305) is provided with a safety valve, and the other end of the collecting pipe (305) is communicated with the input end of the selection controller (402).
2. The automatic fire extinguishing device for the electrostatic powder spraying room according to claim 1, wherein the lower end of the middle part of the carbon dioxide weighing bottle frame (301) is clamped with the upper end of the carbon dioxide fire extinguishing agent (302) through a weighing frame, a gravity sensor is arranged inside the weighing frame, the signal output end of the gravity sensor is electrically connected with the signal input end of an external data controller, and the signal output end of the external data controller is electrically connected with the signal input end of a buzzer.
3. An automatic fire extinguishing apparatus for electrostatic powder spraying booth according to claim 1, wherein the signal input terminal of the electromagnetic type driving controller (405) is electrically connected to the output terminal of an external data controller, the input terminal of the external data controller is electrically connected to the signal output terminal of an explosion-proof type ultraviolet flame detector disposed inside the powder spraying booth (1), the model of the explosion-proof type ultraviolet flame detector is a705/uv (ex).
4. The automatic fire extinguishing apparatus for electrostatic powder coating booth according to claim 1, wherein the control mode of the selection controller (402) is divided into automatic control and manual control, and the type of the selection controller (402) is fire alarm controller linkage type JB-QB-LD128EN (M) -64C.
5. An electrostatic powder spray booth automatic fire extinguishing apparatus as claimed in claim 1, wherein the electromagnetic type drive controller (405) is of the type DQQ-90N/M18.
6. An electrostatic powder spray booth automatic fire extinguishing apparatus according to claim 1, wherein the driving gas in the driving gas bottle (401) is nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121877528.9U CN215822177U (en) | 2021-08-12 | 2021-08-12 | Automatic fire extinguisher for electrostatic powder spraying chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121877528.9U CN215822177U (en) | 2021-08-12 | 2021-08-12 | Automatic fire extinguisher for electrostatic powder spraying chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215822177U true CN215822177U (en) | 2022-02-15 |
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ID=80194645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121877528.9U Active CN215822177U (en) | 2021-08-12 | 2021-08-12 | Automatic fire extinguisher for electrostatic powder spraying chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215822177U (en) |
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2021
- 2021-08-12 CN CN202121877528.9U patent/CN215822177U/en active Active
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