CN113509658A - Automatic fire extinguishing system and method for chemical supply cabinet - Google Patents
Automatic fire extinguishing system and method for chemical supply cabinet Download PDFInfo
- Publication number
- CN113509658A CN113509658A CN202110768021.8A CN202110768021A CN113509658A CN 113509658 A CN113509658 A CN 113509658A CN 202110768021 A CN202110768021 A CN 202110768021A CN 113509658 A CN113509658 A CN 113509658A
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- Prior art keywords
- valve
- nitrogen
- fixedly connected
- manual
- exhaust valve
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000000126 substance Substances 0.000 title claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 63
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 28
- 210000003437 trachea Anatomy 0.000 claims description 9
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 8
- 230000001629 suppression Effects 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 8
- 239000007789 gas Substances 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/06—Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the technical field of automatic fire extinguishing of chemical supply cabinets, in particular to an automatic fire extinguishing system and a method of the chemical supply cabinets, which comprises a control cabinet, wherein the inner side of the control cabinet is provided with a pressure regulating valve, the top end of the pressure regulating valve is fixedly connected with a pressure gauge, the right side of the pressure regulating valve is provided with a five-way electromagnetic valve, one end of the five-way electromagnetic valve is fixedly connected with an air pipe, the tail end of the air pipe at the bottom side is fixedly connected with an exhaust valve, the tail end of the air pipe at the top side is fixedly connected with a nitrogen charging valve, the exhaust valve and the nitrogen charging valve are both fixedly connected with a chemical supply cabinet (CG box), factory nitrogen is adopted as fire extinguishing gas and is introduced into the control cabinet through a nitrogen pipeline, no additional gas steel cylinder is needed, the cost is lower, the cost of the fire extinguishing system is reduced by arranging a pressure regulating valve inlet to be communicated with a pressurized nitrogen source, and the volume in the control cabinet is smaller because fewer gas steel cylinders are arranged, is beneficial to the installation and the arrangement in factories.
Description
Technical Field
The invention relates to the technical field of automatic fire extinguishing of chemical supply cabinets, in particular to an automatic fire extinguishing system and method of a chemical supply cabinet.
Background
The oxygen concentration and temperature in the chemical supply cabinet are reduced by connecting a nitrogen supply pipeline in a factory and closing an exhaust valve of the chemical supply cabinet (CG box), so that the function of automatically extinguishing flames is achieved, and therefore, the demand for the automatic fire extinguishing system and method of the chemical supply cabinet is increasing.
At present, chemicals used in the manufacture of products in semiconductor, solar and liquid crystal panel factories are usually supplied to production machines from chemical supply cabinets. A cabinet for supplying flammable and organic chemicals, polishing liquids, etc. is equipped with a carbon dioxide fire extinguishing chamber. The carbon dioxide fire extinguishing box needs to be internally provided with a carbon dioxide steel cylinder, and the filling, replacement and maintenance of the steel cylinder are troublesome, so that the automatic fire extinguishing system and method for the chemical supply cabinet are provided for solving the problems.
Disclosure of Invention
The present invention is directed to a chemical supply cabinet automatic fire extinguishing system and method, which solves the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
chemical supply cabinet automatic fire extinguishing system, including the control box, the inboard of control box is equipped with the air-vent valve, the top fixedly connected with manometer of air-vent valve, the right side of air-vent valve is equipped with the five-way solenoid valve, the one end fixedly connected with trachea of five-way solenoid valve is located the bottom side the terminal fixedly connected with discharge valve of trachea is located the top side the terminal fixedly connected with nitrogen gas charging valve of trachea, discharge valve and the equal fixed connection of nitrogen gas charging valve are on the CG case, be equipped with power indicator, cut shift, automatic re-setting button, take buzzer warning indicator, manual start button and manual close button on the outer door of control box.
Preferably, an infrared/ultraviolet flame detector and a temperature switch are arranged in the CG box.
Preferably, a pneumatic-based fire suppression method and method of operation are included, the pneumatic-based fire suppression method comprising the steps of:
and S1, the actuating mechanism of the exhaust valve is pneumatic, the exhaust valve is opened during ventilation, and the exhaust valve automatically resets to a closed state after ventilation is cut off.
And S2, when the infrared/ultraviolet flame detector or the temperature switch acts, the air path of the actuating mechanism of the exhaust valve is cut off, and the exhaust valve is automatically closed.
And S3, when the infrared/ultraviolet flame detector or the temperature switch acts, the exhaust valve is closed to block exhaust, and meanwhile, nitrogen is filled into the CG box through the pneumatic valve to accelerate the extinguishing of flame.
And S4, because inert gases such as nitrogen and the like are filled into the CG box, an alarm indicating lamp with a buzzer on the control box is activated when acting, and field personnel are reminded of paying attention.
And S5, providing a manual on button and a manual off button on the control box to test and operate the opening and closing of the exhaust valve.
Preferably, the operation method comprises a manual mode and an automatic mode;
the manual mode operation method is that the exhaust valve and the nitrogen charging valve are controlled by a manual on button and a manual off button;
the automatic mode operation method comprises the steps that when the flame detector and the temperature switch detect that flame exists or the ambient temperature is over-temperature, the exhaust valve is closed immediately, the nitrogen charging valve is opened, and nitrogen is charged into the CG box.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the nitrogen in a factory is used as the fire extinguishing gas and is introduced into the control box through the nitrogen pipeline, so that a gas steel cylinder is not required to be additionally arranged, and the cost is lower.
2. According to the invention, the cost of the fire extinguishing system is reduced by arranging the pressure regulating valve, the inlet of the pressure regulating valve is communicated with the pressurized nitrogen source, and the volume of the control box is smaller due to less gas cylinders, so that the installation and arrangement in a factory are facilitated.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the installation structure of the pressure gauge of the present invention.
In the figure: 1-pressure regulating valve, 2-control box, 3-pressure gauge, 4-five-way solenoid valve, 5-air pipe, 6-exhaust valve, 7-nitrogen gas charging valve, 8-power indicator, 9-gear switching, 10- "automatic reset" button, 11-alarm indicator with buzzer, 12- "manual on" button, 13- "manual off" button.
Detailed Description
Example 1:
referring to fig. 1, the present invention provides a technical solution:
chemical supply cabinet automatic fire extinguishing system, including transferring control box 2, the inboard of control box 2 is equipped with air-vent valve 1, the top fixedly connected with manometer 3 of air-vent valve 1, the right side of air-vent valve 1 is equipped with five-way solenoid valve 4, the one end fixedly connected with trachea 5 of five-way solenoid valve 4 is located the bottom side 5 terminal fixedly connected with discharge valve 6 of trachea is located the top side 5 terminal fixedly connected with nitrogen gas charging valve 7 of trachea, discharge valve 6 and the equal fixedly connected with CG case of nitrogen gas charging valve 7, the rear end outside of control box 2 is equipped with power indicator 8, switches shelves 9, "automatic re-setting button 10, takes bee calling organ warning pilot lamp 11," manual on "button 12 and" manual off "button 13.
An infrared/ultraviolet flame detector and a temperature switch are arranged in the CG box, and the arrangement is favorable for being used as components for detecting flame and triggering the system;
including a pneumatic-based fire suppression method and method of operation, the pneumatic-based fire suppression method comprising the steps of:
s1, the actuating mechanism of the exhaust valve 6 is pneumatic, the exhaust valve 6 is opened during ventilation, and the exhaust valve 6 automatically resets to a closed state after ventilation is cut off.
And S2, when the infrared/ultraviolet flame detector or the temperature switch acts, the air passage of the actuating mechanism of the exhaust valve 6 is cut off, and the exhaust valve 6 is automatically closed.
S3, when the infrared/ultraviolet flame detector or the temperature switch acts, the exhaust valve 6 is closed to block exhaust, and meanwhile, nitrogen is filled into the CG box through the pneumatic valve, so that the extinguishing of flame is accelerated.
S4, because inert gases such as nitrogen gas are filled into the CG box, the alarm indicator lamp 11 with the buzzer on the control box 2 is activated when acting, and the field personnel are reminded of paying attention.
S5, providing a "manual on" button 12 and a "manual off" button 13 on the control box can test and operate the opening and closing of the exhaust valve 6.
The operation method comprises a manual mode and an automatic mode;
the manual mode is operated by controlling the exhaust valve 6 and the nitrogen charging valve 7 through a manual on button 12 and a manual off button 13, and the arrangement is convenient for testing the installation, the action direction and the like of a control circuit and a valve;
the operation method of the automatic mode comprises the steps that when the flame detector and the temperature switch detect that flame exists or the ambient temperature is over-temperature, the exhaust valve 6 is closed immediately, the nitrogen filling valve 7 is opened, and nitrogen is filled into the CG box.
The working process is as follows: in the invention, before use, power is supplied by an external power supply, the left end of the pressure regulating valve 1 is communicated with a pressurized nitrogen source, when a gear shifting switch 9 is arranged at an automatic gear, an automatic mode is started, when a flame detector and a temperature switch detect that flame exists or the ambient temperature is over-temperature, an exhaust valve 6 is immediately closed, a nitrogen charging valve 7 is opened, nitrogen is charged into a CG box, thus being beneficial to timely fire extinguishing, and because inert gases such as nitrogen are charged into the CG box, an alarm indicating lamp 11 with a buzzer on a control box 2 can be activated when acting to remind field personnel of paying attention; after the exhaust valve 6 acts, when the signals of the flame detector and the temperature switch are recovered to normal, namely the temperature is reduced to room temperature or the flame is extinguished, the 'automatic reset' button 10 is pressed, and the corresponding valve is recovered to a normal position.
The same parts of the embodiment 2 as the embodiment 1 are not repeated, but the difference is that when the switching gear 9 is placed in the manual gear, the manual mode is started, the exhaust valve 6 and the nitrogen charging valve 7 are controlled by the manual on button 12 and the manual off button 13, and the installation, the action direction and the like of the control circuit and the valves are convenient to test.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (4)
1. Chemical supply cabinet automatic fire extinguishing system, including control box (2), its characterized in that: the inboard of control box (2) is equipped with air-vent valve (1), top fixedly connected with manometer (3) of air-vent valve (1), the right side of air-vent valve (1) is equipped with five-way solenoid valve (4), one end fixedly connected with trachea (5) of five-way solenoid valve (4), be located the bottom side trachea (5) end fixedly connected with discharge valve (6), be located the top side trachea (5) end fixedly connected with nitrogen gas charging valve (7), discharge valve (6) and nitrogen gas charging valve (7) equal fixedly connected with CG case, be equipped with on the outer door of control box (2) power indicator (8), switch shelves (9), "automatic re-setting" button (10), take buzzer warning indicator (11), "manual on" button (12) and "manual off" button (13).
2. The chemical supply cabinet automatic fire extinguishing system according to claim 1, wherein: an infrared/ultraviolet flame detector and a temperature switch are arranged in the CG box.
3. The chemical supply cabinet automatic fire extinguishing method of the system according to any one of claims 1 to 2, characterized in that: including a pneumatic-based fire suppression method and method of operation, the pneumatic-based fire suppression method comprising the steps of:
s1, the actuating mechanism of the exhaust valve (6) is pneumatic, the exhaust valve (6) is opened during ventilation, and the exhaust valve (6) automatically resets to a closed state after ventilation is cut off.
And S2, when the infrared/ultraviolet flame detector or the temperature switch acts, the air passage of the actuating mechanism of the exhaust valve (6) is cut off, and the exhaust valve (6) is automatically closed.
And S3, when the infrared/ultraviolet flame detector or the temperature switch acts, the exhaust valve (6) is closed to block exhaust, and meanwhile, nitrogen is filled into the CG box through the pneumatic valve to accelerate the extinguishing of flame.
S4, because nitrogen (inert gas) is filled in the CG box, an alarm indicator lamp (11) with a buzzer on the control box (2) is activated when acting, and the alarm indicator lamp reminds field personnel of paying attention.
S5, a manual on button (12) and a manual off button (13) are provided on the control box to test and operate the opening and closing of the exhaust valve (6).
4. A chemical supply cabinet automatic fire extinguishing method according to claim 3, wherein: the operation method comprises a manual mode and an automatic mode;
the manual mode of operation is that the exhaust valve (6) and the nitrogen charging valve (7) are controlled by a 'manual on' button (12) and a 'manual off' button (13);
the automatic mode operation method comprises the steps that when the flame detector and the temperature switch detect that flame exists or the ambient temperature is over-high, the exhaust valve (6) is closed immediately, the nitrogen filling valve (7) is opened, and nitrogen is filled into the CG box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110768021.8A CN113509658A (en) | 2021-07-07 | 2021-07-07 | Automatic fire extinguishing system and method for chemical supply cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110768021.8A CN113509658A (en) | 2021-07-07 | 2021-07-07 | Automatic fire extinguishing system and method for chemical supply cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113509658A true CN113509658A (en) | 2021-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110768021.8A Pending CN113509658A (en) | 2021-07-07 | 2021-07-07 | Automatic fire extinguishing system and method for chemical supply cabinet |
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| CN (1) | CN113509658A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1139015A (en) * | 1996-04-22 | 1997-01-01 | 安素公司 | Gaseous fire extinguishing system |
| CN101066493A (en) * | 2007-06-06 | 2007-11-07 | 北京海安高科消防技术有限公司 | Submerged fire extinguishing nitrogen system for closed space |
| CN102100955A (en) * | 2011-03-16 | 2011-06-22 | 张菊良 | Safety electric cabinet and control method thereof |
| CN203363663U (en) * | 2013-06-20 | 2013-12-25 | 江阴江化微电子材料股份有限公司 | Nitrogen pressure control system for chemical storage tank |
| CN206028289U (en) * | 2016-06-21 | 2017-03-22 | 张华标 | Automatic fume chamber of putting out a fire |
| CN106557049A (en) * | 2016-05-31 | 2017-04-05 | 厦门医学高等专科学校 | A kind of automatic monitored control system and method for harmful influence cabinet |
| CN106856307A (en) * | 2017-02-25 | 2017-06-16 | 许玉蕊 | Nitrogen charging fire extinguishing box-type substation |
| CN206355786U (en) * | 2016-10-27 | 2017-07-28 | 广州市怡森环保设备有限公司 | A kind of charcoal absorption and its nitrogen extinguishing device of catalytic purification desorption apparatus |
| CN107320882A (en) * | 2017-08-30 | 2017-11-07 | 天津神封科技发展有限公司 | A kind of automatic emergency of intelligentized control method supplies nitrogen device |
| CN107875539A (en) * | 2017-10-31 | 2018-04-06 | 天津森罗科技股份有限公司 | A kind of hypoxic fire prevention system and its method |
| CN210751026U (en) * | 2019-07-19 | 2020-06-16 | 北京长顺安达测控技术有限公司 | Nitrogen fire extinguishing system suitable for airtight space |
| CN212925088U (en) * | 2020-09-14 | 2021-04-09 | 洛阳万基铝加工有限公司 | Nitrogen annealing furnace |
-
2021
- 2021-07-07 CN CN202110768021.8A patent/CN113509658A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1139015A (en) * | 1996-04-22 | 1997-01-01 | 安素公司 | Gaseous fire extinguishing system |
| CN101066493A (en) * | 2007-06-06 | 2007-11-07 | 北京海安高科消防技术有限公司 | Submerged fire extinguishing nitrogen system for closed space |
| CN102100955A (en) * | 2011-03-16 | 2011-06-22 | 张菊良 | Safety electric cabinet and control method thereof |
| CN203363663U (en) * | 2013-06-20 | 2013-12-25 | 江阴江化微电子材料股份有限公司 | Nitrogen pressure control system for chemical storage tank |
| CN106557049A (en) * | 2016-05-31 | 2017-04-05 | 厦门医学高等专科学校 | A kind of automatic monitored control system and method for harmful influence cabinet |
| CN206028289U (en) * | 2016-06-21 | 2017-03-22 | 张华标 | Automatic fume chamber of putting out a fire |
| CN206355786U (en) * | 2016-10-27 | 2017-07-28 | 广州市怡森环保设备有限公司 | A kind of charcoal absorption and its nitrogen extinguishing device of catalytic purification desorption apparatus |
| CN106856307A (en) * | 2017-02-25 | 2017-06-16 | 许玉蕊 | Nitrogen charging fire extinguishing box-type substation |
| CN107320882A (en) * | 2017-08-30 | 2017-11-07 | 天津神封科技发展有限公司 | A kind of automatic emergency of intelligentized control method supplies nitrogen device |
| CN107875539A (en) * | 2017-10-31 | 2018-04-06 | 天津森罗科技股份有限公司 | A kind of hypoxic fire prevention system and its method |
| CN210751026U (en) * | 2019-07-19 | 2020-06-16 | 北京长顺安达测控技术有限公司 | Nitrogen fire extinguishing system suitable for airtight space |
| CN212925088U (en) * | 2020-09-14 | 2021-04-09 | 洛阳万基铝加工有限公司 | Nitrogen annealing furnace |
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Application publication date: 20211019 |