CN220070575U - Fire-fighting security system for waste refrigerator treatment and waste refrigerator treatment line - Google Patents
Fire-fighting security system for waste refrigerator treatment and waste refrigerator treatment line Download PDFInfo
- Publication number
- CN220070575U CN220070575U CN202223275226.1U CN202223275226U CN220070575U CN 220070575 U CN220070575 U CN 220070575U CN 202223275226 U CN202223275226 U CN 202223275226U CN 220070575 U CN220070575 U CN 220070575U
- Authority
- CN
- China
- Prior art keywords
- nitrogen
- primary crusher
- crusher
- controller
- fire
- 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
- 239000002699 waste material Substances 0.000 title claims abstract description 38
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 123
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 61
- 238000005507 spraying Methods 0.000 claims abstract description 32
- 239000007789 gas Substances 0.000 claims abstract description 19
- 150000001335 aliphatic alkanes Chemical class 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 23
- 239000000843 powder Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 10
- 239000000428 dust Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 238000004880 explosion Methods 0.000 description 5
- 239000004088 foaming agent Substances 0.000 description 5
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 5
- 229920002635 polyurethane Polymers 0.000 description 5
- 239000004814 polyurethane Substances 0.000 description 5
- 238000000889 atomisation Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model relates to a fire-fighting security system for treating waste refrigerators and a waste refrigerator treatment line, which comprise a controller, a nitrogen output assembly, a spraying assembly, a flame detector and an alkane gas detector, wherein the nitrogen output assembly is connected with the controller; the output end of the nitrogen output assembly is positioned at the feed opening of the primary crusher, and the output opening of the nitrogen output assembly faces to the feed opening of the primary crusher; the output end of the spraying assembly is arranged above the feed inlet of the primary crusher; the flame detector is arranged at the inner top of the primary crusher; the detection end of the alkane gas detector is arranged below the feed opening of the primary crusher; the nitrogen output assembly, the spraying assembly, the alkane gas detector and the flame detector are electrically connected with the controller; the system adopts multistage combined protection measures, can ensure the safety of the refrigerator body when the refrigerator body is broken, can eliminate the flame at the first time and ensures the normal operation of the recovery line of the waste refrigerator.
Description
Technical Field
The utility model relates to the technical field of waste household appliance treatment, in particular to a fire-fighting security system for waste refrigerator treatment and a waste refrigerator treatment line.
Background
At present, a waste refrigerator mostly adopts an isobutane (R600A) refrigerant and a cyclopentane foaming agent (the refrigerator foaming agent is commonly used for replacing CFCS and HCFCS (chlorofluorocarbon) products at present, namely polyurethane foaming, is filled between a freezing chamber, a refrigerating chamber and a shell to serve as a heat insulation material, and the foaming agent of some hard PU foams is mixed with air to be explosive, has the density larger than that of the air, is inflammable when exposed to fire, has high temperature and is inflammable when an oxidant, and is used for extinguishing fire by dry powder, carbon dioxide and foam extinguishing agents), and both substances are inflammable.
When the waste refrigerator line is used for crushing the refrigerator body, shredding equipment is adopted, a large amount of polyurethane dust is generated in the crushing process, the polyurethane dust concentration is too high, and dust explosion can occur when sparks are encountered; meanwhile, a large amount of cyclopentane gas serving as a foaming agent overflows when the waste refrigerator is broken, and the cyclopentane gas is inflammable and explosive substances, so that combustion and explosion accidents can occur.
Disclosure of Invention
The utility model aims to overcome the defects, provides a fire-fighting security system for waste refrigerator treatment and a waste refrigerator treatment line, solves the problem of rapid fire extinguishing in the crushing process of a waste fluoride-free refrigerator, prevents unexpected fire conditions in the production process and automatically starts fire-fighting measures when the fire occurs.
The utility model provides a fire protection system for treating waste refrigerators, which solves the technical problems and comprises a controller, a nitrogen output assembly, a spraying assembly, a flame detector and an alkane gas detector;
the output end of the nitrogen output assembly is positioned at the feed opening of the primary crusher, and the output end of the nitrogen output assembly faces the feed opening of the primary crusher;
the output end of the spraying assembly is arranged above the feed inlet of the primary crusher;
the flame detector is arranged at the inner top of the primary crusher;
the detection end of the alkane gas detector is arranged below the feed opening of the primary crusher;
and the nitrogen output assembly, the spraying assembly, the alkane gas detector and the flame detector are electrically connected with the controller.
Further, the intelligent alarm device further comprises an alarm, and the alarm is electrically connected with the controller.
Further, the novel lantern dry powder fire extinguisher further comprises a lantern dry powder fire extinguisher, wherein the lantern dry powder fire extinguisher is hung above a belt conveying line, the belt conveying line is communicated with a feed opening of the primary crusher and a feed opening of the secondary crusher, and the belt conveying line is electrically connected with the controller.
Furthermore, pipeline explosion-proof valves are arranged in the negative pressure pipeline ports of the primary crusher and the secondary crusher.
Further, the nitrogen output assembly comprises a nitrogen source and a nitrogen nozzle, the nitrogen nozzle is arranged at the feed opening of the primary crusher, the nitrogen nozzle is connected with the nitrogen source through a pipeline with a valve, and the valve is electrically connected with the controller.
Further, the nitrogen source is a nitrogen generator, and the nitrogen generator is electrically connected with the controller.
Further, spray the subassembly and include booster pump, spray pipe network, atomizing nozzle, shower head are all installed in the pan feeding mouth top of one-level breaker, booster pump one end is even water source, and the other end is through spraying pipe network connection atomizing nozzle, shower head, booster pump and controller electric connection.
Further, the opening pressure of the spray header is larger than that of the atomizing nozzle.
The utility model provides a waste refrigerator treatment line which comprises a fire protection system, a primary crusher, a secondary crusher, a feeding conveyor belt, a belt conveying line and a negative pressure device, wherein the feeding conveyor belt is connected with a feed inlet of the primary crusher, the belt conveying line is communicated with a feed outlet of the primary crusher and a feed inlet of the secondary crusher, the negative pressure device is connected with negative pressure pipeline openings of the primary crusher and the secondary crusher through pipelines, and the fire protection system comprises the waste refrigerator treatment fire protection system.
Further, the motor of the primary crusher, the motor of the secondary crusher and the negative pressure fan motor of the negative pressure device are all explosion-proof motors.
Compared with the prior art, the utility model has the following beneficial effects:
the nitrogen spraying can isolate/dilute the air in the cavity of the crusher, so that sparks and fires generated in the shredding process of the refrigerator are avoided;
the spray assembly reduces the temperature inside the primary crusher by atomizing and spraying continuously, and synchronously wets crushed substances such as heat-insulating layer materials and the like, thereby preventing fires to the greatest extent;
the top of the primary crusher is provided with a high-sensitivity flame detector, and when flames are detected, the spraying component pressurizes, sprays water and extinguishes the fire;
the multistage combined protection measures are adopted, so that the refrigerator body can be ensured to be safe when broken, the flame can be eliminated in the first time, and the normal operation of the waste refrigerator recycling line is ensured.
Drawings
The patent of the utility model is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of the present system for a waste refrigerator treatment line.
In the figure:
1-a feeding conveyor belt; 2-a first-stage crusher; 3-belt conveyor line; 4-a secondary crusher; a 5-nitrogen output assembly; 6-spraying assembly; 7-a flame detector; an 8-alkane gas detector; 9-a lantern dry powder fire extinguisher; 10-a pipeline explosion-proof valve; 11-a negative pressure device; 12-controller.
Detailed Description
The preferred embodiments of the present utility model will be described in more detail below, however, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
When the waste refrigerator line is used for crushing the refrigerator body, shredding equipment is adopted, a large amount of polyurethane dust is generated in the crushing process, the polyurethane dust concentration is too high, and dust explosion can occur when sparks are encountered; meanwhile, a large amount of cyclopentane gas serving as a foaming agent overflows when the waste refrigerator is broken, and the cyclopentane gas is inflammable and explosive substances, so that combustion and explosion accidents can occur.
Example 1:
in view of the above problems, embodiment 1 provides a fire protection system for treating waste refrigerators, which solves the problem of rapid fire extinguishing during the breaking process of waste fluorine-free refrigerators, prevents unexpected fire situations during production and automatically starts fire protection measures when the fire occurs.
As shown in FIG. 1, the fire-fighting security system for treating the waste refrigerator comprises a controller, a nitrogen output assembly, a spraying assembly, a flame detector, an alkane gas detector and an alarm, wherein the nitrogen output assembly, the spraying assembly, the alkane gas detector and the flame detector are electrically connected with the controller;
the output end of the nitrogen output assembly is positioned at the discharging opening at the lower end of the primary crusher, and the output opening of the output end of the nitrogen output assembly faces the feeding opening of the primary crusher; when the primary crusher starts to work, the nitrogen output assembly is synchronously started, when the refrigerator crushes in the primary shredder, nitrogen enters the primary crusher through the feed opening at the lower end of the primary crusher, the density of the nitrogen is smaller than that of the nitrogen, the nitrogen is continuously filled into the primary crusher, a part of air in the primary crusher is blown out by nitrogen flow through the feed opening at the upper end of the primary crusher, the other part of air is sunk to the inner lower step of the primary crusher due to the density difference, the nitrogen is gradually filled into the inner space of the primary crusher along with the continuous filling of the nitrogen, and the part of air is gradually discharged and extruded by the nitrogen through the discharge opening at the lower end of the primary crusher.
The nitrogen gas sent by the nitrogen gas output assembly can isolate/dilute the air in the first-stage crusher, so that the purpose of isolating the oxygen in the first-stage crusher is achieved, and the fire is prevented;
in practical application, the nitrogen output assembly adopts continuous and timed nitrogen spraying, the interval setting time T1 is set, the continuous nitrogen spraying setting time T2 is started, the operation is repeated after the starting, and when the primary crusher does not work, the nitrogen output assembly is synchronously closed;
the spray assembly is provided with an atomization nozzle working at a small flow rate and a spray header working at a large flow rate in a pressurizing mode;
the output end of the spraying assembly is arranged above the feed inlet of the primary crusher; when the primary crusher starts to work, a spraying mode of a spraying assembly is started, the spraying assembly continuously sprays through atomization spraying to reduce the temperature in the primary crusher, synchronously moisten crushed materials such as insulating layer materials and the like, and prevent fire to the greatest extent;
the flame detector is arranged at the inner top of the primary crusher, when the flame detector detects flame, the controller controls the spraying assembly to enter a fire extinguishing mode, the spraying assembly is pressurized to start the spraying head to spray water for extinguishing fire in a large flow manner, and the conveying assembly is synchronously turned off;
the alarm is electrically connected with the alkane gas detector and the controller.
The detection end of the alkane gas detector is arranged below the feed opening of the primary crusher, and when the detection value of the alkane gas detector reaches a set concentration value, the alarm gives an alarm to remind an operator of equipment to stop feeding.
In this embodiment, still include lantern dry powder fire extinguisher, the lantern dry powder fire extinguisher hangs in belt conveyor line top, the feed opening of belt conveyor line intercommunication one-level breaker and the pan feeding mouth of second grade breaker, belt conveyor line and controller electric connection, belt conveyor line transport material are foam (inflammable substance), plastics, metal etc. mixture, when ambient temperature reaches more than 68 degrees, and the lantern dry powder fire extinguisher is automatic to be exploded and to be spread the built-in dry powder below, kills the flame when the emergence is on fire the very first time.
In the embodiment, the pipeline explosion-proof valves are arranged in the negative pressure pipeline ports of the primary crusher and the secondary crusher, so that dust explosion in the pipeline is avoided when unexpected fire disaster occurs.
In this embodiment, the nitrogen output assembly includes nitrogen source, nitrogen nozzle, and the nitrogen nozzle sets up in the feed opening of one-level breaker, and the nitrogen nozzle is through the pipeline connection nitrogen source that has the valve, valve and controller electric connection can control the switching and the aperture of valve through the controller.
In this embodiment, the nitrogen source is a nitrogen generator, and the nitrogen generator is electrically connected to the controller, so that the controller can control the nitrogen generator.
In this embodiment, spray the subassembly and include booster pump, spray pipe network, atomizing nozzle, shower head are all installed in the pan feeding mouth top of one-level breaker, booster pump one end is even water source, and the other end is through spraying pipe network connection atomizing nozzle, shower head, booster pump and controller electric connection can be realized through the controller to booster pump's control.
In this embodiment, the opening pressure of the spray header is greater than that of the atomizing nozzle, and when the pressure is not increased, only the atomizing nozzle performs small-flow atomizing spray; when the fire is extinguished, the pressure is increased, so that the spray header is opened to perform large-flow water spraying fire extinguishment.
The system can isolate/dilute air in the cavity of the crusher by spraying nitrogen, so that sparks and fires generated in the shredding process of the refrigerator are avoided;
the spraying component of the system reduces the temperature inside the primary crusher through atomization spraying and continuously sprays, and synchronously wets crushed substances such as heat-insulating layer materials and the like, thereby preventing fires to the greatest extent;
the top of the primary crusher of the system is provided with a high-sensitivity flame detector, and when flame is detected, the spraying component pressurizes, sprays water and extinguishes fire;
according to the system, a lantern fire extinguisher is added above a belt conveying line between the primary crusher and the secondary crusher, and when a fire occurs below the lantern fire extinguisher, the lantern fire extinguisher can extinguish a flame for the first time;
the system adopts multistage combined protection measures, can ensure the safety of the refrigerator body when the refrigerator body is broken, can eliminate the flame at the first time and ensures the normal operation of the recovery line of the waste refrigerator.
Example 2:
as shown in fig. 1, example 2 provides a waste refrigerator treatment line based on example 1.
In this embodiment, old and useless refrigerator treatment line includes fire control security system, one-level breaker, two-level breaker, material loading conveyer belt, belt transfer chain, unloading conveyer belt, negative pressure device, the pan feeding mouth of one-level breaker is connected to the material loading conveyer belt, the pan feeding mouth of one-level breaker and two-level breaker is connected to the belt transfer chain, and the unloading conveyer belt is located the pan feeding mouth below of two-level breaker, negative pressure device is connected one-level breaker, two-level breaker's negative pressure pipeline mouth through the pipeline, fire control security system adopts the old and useless refrigerator in embodiment 1 to handle fire control security system.
In the embodiment, the motor of the primary crusher, the motor of the secondary crusher and the negative pressure fan motor of the negative pressure device are all explosion-proof motors, so that accidental fire protection equipment motors are avoided.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters refer to like items and, thus, once an item is defined, no further discussion thereof is necessary in the following.
In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the illustrated azimuth or positional relationships, and are merely for convenience of describing the present utility model and simplifying the description, and these azimuth terms do not indicate and imply that the devices or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe spatial positional relationships of features. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.
If the utility model discloses or relates to components or structures fixedly connected with each other, then unless otherwise stated, the fixed connection is understood as: a detachable fixed connection (e.g. using a bolt or screw connection) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).
While the foregoing is directed to the preferred embodiment, other and further embodiments of the utility model will be apparent to those skilled in the art from the following description, wherein the utility model is described, by way of illustration and example only, and it is intended that the utility model not be limited to the specific embodiments illustrated and described, but that the utility model is to be limited to the specific embodiments illustrated and described.
Claims (9)
1. A fire control security system is handled to old and useless refrigerator, its characterized in that: the device comprises a controller, a nitrogen output assembly, a spraying assembly, a flame detector and an alkane gas detector;
the output end of the nitrogen output assembly is positioned at the feed opening of the primary crusher, and the output end of the nitrogen output assembly faces the feed opening of the primary crusher;
the output end of the spraying assembly is arranged above the feed inlet of the primary crusher;
the flame detector is arranged at the inner top of the primary crusher;
the detection end of the alkane gas detector is arranged below the feed opening of the primary crusher;
the nitrogen output assembly, the spraying assembly, the alkane gas detector and the flame detector are electrically connected with the controller;
the novel lantern dry powder fire extinguisher is characterized by further comprising a lantern dry powder fire extinguisher which is hung above a belt conveying line, wherein the belt conveying line is communicated with a feed opening of the primary crusher and a feed opening of the secondary crusher, and the belt conveying line is electrically connected with the controller.
2. The fire protection system for treating waste refrigerators according to claim 1, wherein: the intelligent control system further comprises an alarm, and the alarm is electrically connected with the controller.
3. The fire protection system for treating waste refrigerators according to claim 1, wherein: and pipeline explosion-proof valves are arranged in the negative pressure pipeline ports of the primary crusher and the secondary crusher.
4. The fire protection system for treating waste refrigerators according to claim 1, wherein: the nitrogen output assembly comprises a nitrogen source and a nitrogen nozzle, the nitrogen nozzle is arranged at the feed opening of the primary crusher, the nitrogen nozzle is connected with the nitrogen source through a pipeline with a valve, and the valve is electrically connected with the controller.
5. The fire protection system for treating waste refrigerators according to claim 4, wherein: the nitrogen source is a nitrogen making machine, and the nitrogen making machine is electrically connected with the controller.
6. The fire protection system for treating waste refrigerators according to claim 1, wherein: the spray assembly comprises a booster pump, a spray pipe network, an atomizing nozzle and a spray header, wherein the atomizing nozzle and the spray header are all arranged above a feed inlet of the primary crusher, one end of the booster pump is connected with a water source, the other end of the booster pump is connected with the atomizing nozzle and the spray header through the spray pipe network, and the booster pump is electrically connected with the controller.
7. The fire protection system for treating waste refrigerators according to claim 6, wherein: the opening pressure of the spray header is larger than that of the atomizing nozzle.
8. A waste refrigerator treatment line is characterized in that: the waste refrigerator treatment fire protection system comprises a fire protection system, a primary crusher, a secondary crusher, a feeding conveyor belt, a belt conveying line and a negative pressure device, wherein the feeding conveyor belt is connected with a feeding port of the primary crusher, the belt conveying line is communicated with a discharging port of the primary crusher and a feeding port of the secondary crusher, the negative pressure device is connected with a negative pressure pipeline port of the primary crusher and a negative pressure pipeline port of the secondary crusher, and the fire protection system comprises the waste refrigerator treatment fire protection system according to any one of claims 1-7.
9. The waste refrigerator treatment line according to claim 8, wherein: the motor of the primary crusher, the motor of the secondary crusher and the negative pressure fan motor of the negative pressure device are all explosion-proof motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223275226.1U CN220070575U (en) | 2022-12-07 | 2022-12-07 | Fire-fighting security system for waste refrigerator treatment and waste refrigerator treatment line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223275226.1U CN220070575U (en) | 2022-12-07 | 2022-12-07 | Fire-fighting security system for waste refrigerator treatment and waste refrigerator treatment line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220070575U true CN220070575U (en) | 2023-11-24 |
Family
ID=88820835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223275226.1U Active CN220070575U (en) | 2022-12-07 | 2022-12-07 | Fire-fighting security system for waste refrigerator treatment and waste refrigerator treatment line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220070575U (en) |
-
2022
- 2022-12-07 CN CN202223275226.1U patent/CN220070575U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202802579U (en) | Automatic carbon dioxide fire extinguishing system | |
| US6182768B1 (en) | Gas-liquid mixture as well as fire-extinguishing unit and method for the use thereof | |
| KR101562715B1 (en) | New method for extinguishing fire | |
| CN106061560B (en) | Method and apparatus for extinguishing fires using a liquid synthetic fire extinguishing agent and water | |
| RU2595990C2 (en) | Methods and device for multistage fire extinguishing system | |
| US5573068A (en) | Apparatus for extinguishing fires in oil storage tanks | |
| CA2152734C (en) | Apparatus for impulse fire extinguishing | |
| CN103656922A (en) | Automatic carbon dioxide fire extinguishing system | |
| CN203647922U (en) | Bursting-type fire extinguisher | |
| KR101571003B1 (en) | Compressed air foam extinguisher | |
| WO2019240618A3 (en) | Solid foam fire extinguisher | |
| CN104127974A (en) | Automatic fire-extinguishing bomb | |
| CN220070575U (en) | Fire-fighting security system for waste refrigerator treatment and waste refrigerator treatment line | |
| CN106267675A (en) | Aqua type extinguishing chemical and Portable extinguisher | |
| CN103845833B (en) | Double-fluid jet water mist fire gun | |
| CN110354434A (en) | A kind of novel fast fire-extinguishing apparatus in inflammable and explosive worker-house | |
| CN207871319U (en) | A kind of split type fluid extinguisher | |
| CN203790484U (en) | Suspension type water mist fire extinguishing device | |
| CN217392368U (en) | Multipurpose fire extinguishing agent production facility | |
| CN211885040U (en) | Hand-held type low pressure double-fluid thin water smoke lithium cell fire extinguisher | |
| CN112044002B (en) | Suspension type water smoke fire extinguishing and extinguishing system | |
| KR101909637B1 (en) | A fire extinguisher with multiple fire extinguishing agents | |
| CN114082389A (en) | Multipurpose fire extinguishing agent and production equipment thereof | |
| CN111184961A (en) | Hand-held type low pressure double-fluid thin water smoke lithium cell fire extinguisher | |
| JP2008005998A (en) | Fire extinguishing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |