CN108222999A - A kind of liquid carbon dioxide cooling fire extinguishing system - Google Patents
A kind of liquid carbon dioxide cooling fire extinguishing system Download PDFInfo
- Publication number
- CN108222999A CN108222999A CN201810076371.6A CN201810076371A CN108222999A CN 108222999 A CN108222999 A CN 108222999A CN 201810076371 A CN201810076371 A CN 201810076371A CN 108222999 A CN108222999 A CN 108222999A
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- CN
- China
- Prior art keywords
- carbon dioxide
- liquid carbon
- liquid
- temperature
- pressure
- 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.)
- Pending
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 451
- 239000007788 liquid Substances 0.000 title claims abstract description 285
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 222
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 222
- 238000001816 cooling Methods 0.000 title claims abstract description 18
- 238000002309 gasification Methods 0.000 claims abstract description 58
- 238000009434 installation Methods 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 19
- 229960004424 carbon dioxide Drugs 0.000 claims description 213
- 239000003638 chemical reducing agent Substances 0.000 claims description 20
- 230000006837 decompression Effects 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 241000790917 Dioxys <bee> Species 0.000 claims description 7
- 229910002090 carbon oxide Inorganic materials 0.000 claims description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims 2
- 238000007254 oxidation reaction Methods 0.000 claims 2
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 239000006200 vaporizer Substances 0.000 abstract description 2
- 230000008016 vaporization Effects 0.000 abstract 1
- 238000009834 vaporization Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F3/00—Cooling or drying of air
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The application discloses a kind of liquid carbon dioxide cooling fire extinguishing system,Liquid carbon dioxide is output to from metal hose in liquid carbon dioxide pipe by liquid carbon dioxide tank vehicles,Liquid carbon dioxide is flowed into from ground liquid carbon dioxide control valve in high-pressure seamless liquid carbon dioxide pipe by liquid carbon dioxide pipe,The temperature and pressure of goaf carbon dioxide are gone positioned at the digging delivery area temperature sensor and goaf pressure sensor for going to goaf,PLC control system starts liquid carbon dioxide gasification installation,Liquid carbon dioxide is delivered to vaporizer group by liquid carbon dioxide gasification installation,Liquid carbon dioxide vaporization heat absorption,Cold air is delivered to reduce the temperature of working face by working face by wind turbine,Liquid carbon dioxide gasification installation liquid feeding end and outlet side use sensor gathered data,The data control valve aperture size that PLC control system is acquired according to sensor,So as to solve the problems, such as that liquid carbon dioxide device cannot be adjusted accurately.
Description
Technical field
This application involves mine safety technical field more particularly to a kind of liquid carbon dioxide cooling fire extinguishing systems.
Background technology
With the development of the times, cold air distribution underground thermal pollution is carried out using the gasification cold of liquid CO 2 fire extinguishing to prevent
Control system engineering, relative to other technologies, be including local cooling, liquid carbon dioxide it is inert, it is colourless, it is odorless, it is corrosion-free
Property, it is non-combustible, it is put out a fire in the prior art using liquid carbon dioxide gasification installation gasified liquid carbon dioxide to working face
And cooling, but downhole operations personnel are not the characteristics of all grasping carbon dioxide, if downhole operations personnel are by liquid dioxy
It is fully open to change carbon gasification plant exits and entrances valve, cannot be controlled into flow quantity, can come a large amount of cryogenic liquid carbon dioxide
Enter outlet header not as good as gasification, cause outlet ordinary carbon steel manifold bursting by freezing, so as to cause liquid CO 2 gasification cooling system
System is stopped.
The existing liquid carbon dioxide gasification heat sink of underground coal mine is manually operated to be complete at present, the pressure of feed liquor house steward,
Temperature fluctuation, the variation of the inlet and outlet flow, gasification result, pressure and temp of front and rear each group of liquid carbon dioxide gasification installation,
Directly affect the stable operation of entire gasification heat sink, site operation personnel needs continuous frequent operation, heavy workload and
The more existing liquid carbon dioxide gasification installation of hidden danger can only be adjusted manually, and degree of regulation is poor, in order to solve the problems, such as this, be developed
A kind of liquid carbon dioxide cooling fire extinguishing system.
Invention content
The application provides a kind of liquid carbon dioxide cooling fire extinguishing system, and dress is adjusted to solve existing liquid carbon dioxide
The problem of put to be adjusted manually, and degree of regulation is poor.
The embodiment of the present application provides a kind of liquid carbon dioxide cooling fire extinguishing system, including liquefied carbon dioxide tank vehicle,
Metal hose, liquid carbon dioxide pipe, ground liquid carbon dioxide control valve, high-pressure seamless liquid carbon dioxide pipe, liquid two
Carbonoxide decompressor, digging delivery area temperature sensor, goaf pressure sensor, reducer unit, entrance master control valve, liquid
State carbon dioxide gasification device group, liquid carbon dioxide pipe, the first wind turbine and PLC control system, the liquid carbon dioxide tank
The outlet end of tank car is connect with the liquid inlet of the metal hose, the outlet end of the metal hose and the liquid carbon dioxide
The liquid inlet connection of pipe, the liquid inlet of the outlet end of the liquid carbon dioxide pipe and the ground liquid carbon dioxide control valve
Connection, the outlet end of the ground liquid carbon dioxide control valve and the liquid inlet of the high-pressure seamless liquid carbon dioxide pipe connect
It connecing, the outlet end of the high-pressure seamless liquid carbon dioxide pipe is connect with the liquid inlet of the liquid carbon dioxide decompressor,
The outlet end of the liquid carbon dioxide decompressor is connect with the liquid inlet of the entrance master control valve, the entrance master control
The outlet end of valve is connect with the liquid inlet of the liquid carbon dioxide gasification installation group, the liquid carbon dioxide gasification installation group
Outlet side connect by liquid carbon dioxide pipe with the liquid inlet of first wind turbine, the PLC control system respectively with institute
State the first wind turbine, the liquid carbon dioxide gasification installation group, the entrance master control valve and liquid carbon dioxide decompression
Device is electrically connected.
Optionally, the liquid carbon dioxide decompressor includes liquid carbon dioxide decompression main valve, temperature pressure sensing
Device and reducer unit, the liquid feeding end and outlet end of the reducer unit are connect with the temperature and pressure transmitter, the decompression
It is connected between the liquid outlet of the temperature and pressure transmitter of valve group feed liquor end side and the high-pressure seamless liquid carbon dioxide pipe
There is the liquid carbon dioxide decompression main valve, the temperature and pressure transmitter includes temperature and pressure transmitter and pressure sensor,
The PLC control system is electrically connected respectively with the temperature and pressure transmitter and pressure sensor.
Optionally, the liquid carbon dioxide gasification installation group includes liquid feeding end control valve, liquid carbon dioxide data are adopted
Acquisition means, liquid carbon dioxide pipe, outlet side control valve and liquid carbon dioxide gasification installation, the liquid carbon dioxide gasification
The liquid feeding end of device and outlet side are respectively connected with the liquid carbon dioxide data acquisition device, the liquid carbon dioxide gasification
The outlet side is connected between the liquid carbon dioxide data acquisition device and first wind turbine of device outlet end side
Control valve, the liquid carbon dioxide data acquisition device include the first temperature sensor and second temperature sensor, the PLC
Control system is electrically connected respectively with first temperature sensor and the second temperature sensor.
Optionally, first wind turbine includes digging delivery area temperature sensor, goaf pressure sensor, high-pressure seamless
Metal hose, intake air temperature measures and the second wind turbine, the outlet end of the high-pressure seamless metal hose and the air inlet temperature
The liquid inlet connection that degree measures, the outlet end that the intake air temperature measures are connect with second wind turbine, second wind turbine
Liquid carbon dioxide pipe outer wall described in side is provided with digging delivery area temperature sensor and the goaf pressure sensor,
The PLC control system is electrically connected respectively with digging delivery area temperature sensor and the goaf pressure sensor.
Optionally, the quantity of the liquid carbon dioxide gasification installation is at least 6.
By above technical scheme it is found that the application by a kind of liquid carbon dioxide cool down fire extinguishing system, liquid titanium dioxide
Liquid carbon dioxide is output to from metal hose in liquid carbon dioxide pipe by canister tank car, and liquid carbon dioxide passes through liquid two
Carbonoxide pipe is flowed into from ground liquid carbon dioxide control valve in high-pressure seamless liquid carbon dioxide pipe, high-pressure seamless liquid two
Liquid carbon dioxide is transported to underworkings by carbonoxide pipe, positioned at the digging delivery area temperature sensor that goes to goaf and mined out
The temperature and pressure of goaf carbon dioxide gas are gone in area's pressure sensor acquisition, then send data to PLC control system,
When operating temperature and pressure are below or above conventional parameter, PLC control system starts liquid carbon dioxide gasification installation, liquid
Liquid carbon dioxide is delivered to the second wind turbine by carbon dioxide gasification device, and liquid carbon dioxide is after the ejection of the second wind turbine, liquid
State co 2 liquefaction absorbs heat, and reduces the temperature of working face, liquid carbon dioxide gasification installation liquid feeding end and outlet end are adopted
The data control valve acquired with sensor gathered data, PLC control system according to sensor realizes accurate adjusting liquid dioxy
Change the effect of carbon output quantity, so as to solve the problems, such as that liquid carbon dioxide device cannot be adjusted accurately.
Description of the drawings
To be illustrated more clearly that the technical solution of the application, attached drawing needed in the embodiment will be made below simple
Ground introduction, it should be apparent that, for those of ordinary skills, without creative efforts, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is liquid carbon dioxide provided by the embodiments of the present application cooling fire extinguishing system structure diagram.
Description of the drawings：1st, liquid carbon dioxide tank vehicles, 2, metal hose, 3, liquid carbon dioxide pipe, 4, ground liquid
Carbon dioxide control valve, 5, high-pressure seamless liquid carbon dioxide pipe, 6, liquid carbon dioxide decompressor, 7, liquid carbon dioxide
Depressurize main valve, 8, temperature and pressure transmitter, 801, temperature and pressure transmitter, 802, pressure sensor, 9, digging delivery area temperature
Sensor, 10, goaf pressure sensor, 11, reducer unit, 12, entrance master control valve, 13, liquid carbon dioxide gasification dress
Put group, 14, liquid feeding end control valve, 15, liquid carbon dioxide data acquisition device, the 1501, first temperature sensor, 1502,
Two temperature sensors, 16, atmospheric carbon dioxide pipe, 17, outlet side control valve, 18, liquid carbon dioxide gasification installation, 19,
One wind turbine, 20, high-pressure seamless metal hose, 21, intake air temperature measure, the 22, second wind turbine, 24, wind turbine inlet air temperature measuring point,
23rd, PLC control system.
Pass through above-mentioned attached drawing, it has been shown that the specific embodiment of the disclosure will be hereinafter described in more detail.These attached drawings
The range for limiting the disclosure by any mode and conceiving is not intended to, but is art technology by reference to specific embodiment
Personnel illustrate the concept of the disclosure.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, the technical solution in the embodiment of the present application is carried out clear, complete
Whole description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall in the protection scope of this application.
Referring to Fig. 1, for a kind of liquid carbon dioxide cooling fire extinguishing system provided by the embodiments of the present application, including liquid
Carbon dioxide tank vehicles 1, metal hose 2, liquid carbon dioxide pipe 3, ground liquid carbon dioxide control valve 4, high-pressure seamless liquid
State carbon dioxide pipe 5, liquid carbon dioxide decompressor 6, digging delivery area temperature sensor 9, goaf pressure sensor 10,
Reducer unit 11, entrance master control valve 12, liquid carbon dioxide gasification installation group 13, liquid carbon dioxide pipe 16, the first wind turbine
19 and PLC control system 23, the outlet side of the liquid carbon dioxide tank vehicles 1 connect with the liquid inlet of the metal hose 2,
The outlet end of the metal hose 2 is connect with the liquid inlet of the liquid carbon dioxide pipe 3, the liquid carbon dioxide pipe 3
Outlet end is connect with the liquid inlet of the ground liquid carbon dioxide control valve 4, the ground liquid carbon dioxide control valve 4
Outlet end is connect with the liquid inlet of the high-pressure seamless liquid carbon dioxide pipe 5, and high-pressure seamless liquid carbon dioxide pipe 5 is vertical tube
Ground is inserted into, the port of export is located at underworkings, and entrance is located at ground, and the high-pressure seamless liquid carbon dioxide pipe 5 goes out
Liquid end is connect with the liquid inlet of the liquid carbon dioxide decompressor 6, the outlet side of the liquid carbon dioxide decompressor 6
It is connect with the liquid inlet of the entrance master control valve 12, outlet end and the liquid carbon dioxide of the entrance master control valve 12
The liquid inlet connection of gasification installation group 13, the outlet side of the liquid carbon dioxide gasification installation group 13 passes through liquid carbon dioxide
Pipe 16 is connect with the liquid inlet of first wind turbine 19, the PLC control system 23 respectively with first wind turbine 19, the liquid
State carbon dioxide gasification device group 13, the entrance master control valve 12 and the liquid carbon dioxide decompressor 6 are electrically connected, liquid
Liquid carbon dioxide is output to from metal hose 2 in liquid carbon dioxide pipe 3 by state carbon dioxide tank vehicles 1, liquid titanium dioxide
Carbon is flowed into high-pressure seamless liquid carbon dioxide pipe 5 by liquid carbon dioxide pipe 3 from ground liquid carbon dioxide control valve 4
Interior, liquid carbon dioxide is transported to underworkings, ground liquid carbon dioxide control valve by high-pressure seamless liquid carbon dioxide pipe 5
4 controls enter the flow of liquid carbon dioxide in liquid carbon dioxide pipe 3, and liquid carbon dioxide passes through high-pressure seamless liquid two
Carbonoxide pipe 5 opens liquid carbon dioxide decompression main valve 7, liquid carbon dioxide is from liquid carbon dioxide to after entering underworkings
Decompression main valve 7 is flowed into reducer unit 11.
The liquid carbon dioxide decompressor 6 includes liquid carbon dioxide decompression main valve 7,8 and of temperature and pressure transmitter
Reducer unit 11, the liquid feeding end and outlet end of the reducer unit 11 are connect with the temperature and pressure transmitter 8, the decompression
Between the liquid outlet of the temperature and pressure transmitter 8 of 11 feed liquor end side of valve group and the high-pressure seamless liquid carbon dioxide pipe 5
The liquid carbon dioxide decompression main valve 7 is connected with, the temperature and pressure transmitter 8 includes temperature and pressure transmitter 801 and pressure
Force snesor 802, the PLC control system are electrically connected respectively with the temperature and pressure transmitter 801 and pressure sensor 802,
The first temperature sensor 1501 and second temperature sensor 1502 in liquid carbon dioxide data acquisition device 15 is to liquid two
The temperature and pressure for aoxidizing 18 inlet of carbon gasification plant and liquid outlet carry out data acquisition, the first temperature sensor 1501 and the
The data that the data transmission of two temperature sensors 1502 acquisition acquires sensor to PLC control system 23, PLC control system 23
Over the display, administrative staff can control outlet side control valve 17,12 and of entrance master control valve according to the data of display for display
Reducer unit 11, so as to adjust the flow of liquid carbon dioxide.
The liquid carbon dioxide gasification installation group 13 includes liquid feeding end control valve 14, liquid carbon dioxide data acquisition dress
Put 15, liquid carbon dioxide pipe 16, outlet side control valve 17 and liquid carbon dioxide gasification installation 18, the liquid carbon dioxide
The liquid feeding end and outlet end of gasification installation 18 are respectively connected with the liquid carbon dioxide data acquisition device 15, the liquid dioxy
Change and connect between the liquid carbon dioxide data acquisition device 15 of 18 outlet end side of carbon gasification plant and first wind turbine 19
The outlet side control valve 17 is connected to, the liquid carbon dioxide data acquisition device 15 includes 1501 He of the first temperature sensor
Second temperature sensor 1502, the PLC control system 23 respectively with first temperature sensor 1501 and it is described second temperature
Degree sensor 1502 is electrically connected, the first temperature sensor 1501 and second temperature in liquid carbon dioxide data acquisition device 15
Temperature and pressure progress data acquisition of the sensor 1502 to 18 inlet of liquid carbon dioxide gasification installation and liquid outlet, first
The data transmission that temperature sensor 1501 and second temperature sensor 1502 acquire is to PLC control system 23, PLC control system 23
The data that sensor acquires are shown over the display, administrative staff can control outlet side control valve according to the data of display
17th, entrance master control valve 12 and reducer unit 11, so as to adjust the flow of liquid carbon dioxide, administrative staff can also be in PLC
Pre-set programs in control system 23 make 23 automatic control system of PLC control system.
First wind turbine 19 includes digging delivery area temperature sensor 9, goaf pressure sensor 10, high-pressure seamless gold
Belong to hose 20, intake air temperature measures 21 and second wind turbine 22, the outlet end of the high-pressure seamless metal hose 20 with it is described into
Draught temperature measures 21 liquid inlet connection, and the outlet end that the intake air temperature measures 21 is connect with second wind turbine 22,
16 outer wall of liquid carbon dioxide pipe is provided with digging delivery area temperature sensor 9 and the goaf pressure sensor
10, the PLC control system 23 is electric with digging delivery area temperature sensor 9 and the goaf pressure sensor 10 respectively
Connection removes minery dioxy positioned at digging delivery area temperature sensor 9 and goaf pressure sensor 10 acquisition for going to goaf
Change the temperature and pressure of carbon, then send data to PLC control system 23, when operating temperature and pressure are below or above routine
During parameter, PLC control system 23 starts liquid carbon dioxide gasification installation 18, and liquid carbon dioxide gasification installation 18 is by liquid two
Carbonoxide is delivered to the second wind turbine 22, and liquid carbon dioxide is after the ejection of the second wind turbine 22, liquid carbon dioxide liquefaction heat absorption, drop
The low temperature for going to minery.
The quantity of the liquid carbon dioxide gasification installation 18 is at least 6,6 liquid carbon dioxide gasification installations 18
Inlet and liquid outlet are both provided with sensor and carry out data acquisition, sensor data transmission to 23,6 liquid of PLC control system
State carbon dioxide gasification device 18 can carry out liquid carbon dioxide transport to multiple roadways, when a liquid carbon dioxide gasifies
When device 18 breaks down, other liquid carbon dioxide gasification installations 18 can continue to provide liquid carbon dioxide, play guarantor
It demonstrate,proves liquid carbon dioxide cooling and continues unbroken effect.
System shown in the embodiment of the present application is also applied for the cooling system of liquid nitrogen.
By above technical scheme it is found that the operation principle and workflow of the application, liquid carbon dioxide tank vehicles 1 are by liquid
State carbon dioxide is output to from metal hose 2 in liquid carbon dioxide pipe 3, and liquid carbon dioxide passes through liquid carbon dioxide pipe 3
It is flowed into high-pressure seamless liquid carbon dioxide pipe 5 from ground liquid carbon dioxide control valve 4, high-pressure seamless liquid carbon dioxide
Liquid carbon dioxide is transported to underworkings by pipe 5, and the control of ground liquid carbon dioxide control valve 4 enters liquid carbon dioxide
The flow of liquid carbon dioxide in pipe 3, liquid carbon dioxide is by high-pressure seamless liquid carbon dioxide pipe 5 to entering underworkings
Afterwards, liquid carbon dioxide decompression main valve 7 is opened, liquid carbon dioxide is flowed into pressure reducing valve from liquid carbon dioxide decompression main valve 7
In group 11, there is phenomenon of expanding with heat and contract with cold in liquid carbon dioxide, liquid carbon dioxide pipeline will necessarily generate should in transmission process
Power, the system share generation pipe stress at two, and reducer unit 11 decomposes pipe stress, in temperature and pressure transmitter 8
Temperature and pressure transmitter 801 and pressure sensor 802 to the temperature and pressure of 11 both ends liquid carbon dioxide of reducer unit into
Row data acquire, the data transmission that temperature and pressure transmitter 801 and pressure sensor 802 acquire to PLC control system 23, liquid
Carbon dioxide, by entrance master control valve 12, opens entrance master control valve 12 and enters liquid dioxy after the outflow of reducer unit 11
Change carbon gasification plant group 13, liquid carbon dioxide gasification installation group 13 includes at least six liquid carbon dioxide gasification installation 18, liquid
The first temperature sensor 1501 and second temperature sensor 1502 in state carbon dioxide data harvester 15 is to liquid dioxy
The temperature and pressure for changing 18 inlet of carbon gasification plant and liquid outlet carry out data acquisition, the first temperature sensor 1501 and second
For the data transmission that temperature sensor 1502 acquires to PLC control system 23, PLC control system 23 shows the data that sensor acquires
Show over the display, administrative staff can control outlet side control valve 17, entrance master control valve 12 and be subtracted according to the data of display
Pressure valve group 11, so as to adjust the flow of liquid carbon dioxide, outlet side control valve 17, entrance master control valve 12 and reducer unit 11
It is electrically operated valve, outlet side control valve 17, entrance master control valve 12 and reducer unit 11 are electrically connected with PLC control system 23
It connects, PLC control system 23 controls outlet side control valve 17, entrance master control valve 12 and reducer unit 11, administrative staff
Can also in PLC control system 23 pre-set programs, make 23 control system of PLC control system, positioned at minery digging convey
The temperature in area temperature sensor acquisition minery, then sends data to PLC control system 23, when operating temperature is higher than default
During parameter, PLC control system 23 starts liquid carbon dioxide gasification installation 18, and liquid carbon dioxide gasification installation 18 is by vaporizer
Cold air is delivered to the second wind turbine 22, and liquid carbon dioxide liquefaction is absorbed heat, and reduces the temperature of working face.
Those skilled in the art will readily occur to the application its after considering specification and putting into practice application disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the application, these modifications, purposes or
Person's adaptive change follows the general principle of the application and including the undocumented common knowledge in the art of the application
Or conventional techniques.Description and embodiments are considered only as illustratively, and the true scope and spirit of the application are by following
Claim is pointed out.
It should be understood that the precision architecture that the application is not limited to be described above and be shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.Scope of the present application is only limited by appended claim.
Claims (5)
- The fire extinguishing system 1. a kind of liquid carbon dioxide cools down, which is characterized in that including liquid carbon dioxide tank vehicles (1), gold Belong to hose (2), liquid carbon dioxide pipe (3), ground liquid carbon dioxide control valve (4), high-pressure seamless liquid carbon dioxide pipe (5), liquid carbon dioxide decompressor (6), goaf temperature sensor (9), goaf pressure sensor (10), reducer unit (11), entrance master control valve (12), liquid carbon dioxide gasification installation group (13), atmospheric carbon dioxide pipe (16), the first wind turbine (19) and PLC control system (23), the outlet end of the liquid carbon dioxide tank vehicles (1) and entering for the metal hose (2) Liquid end connects, and the outlet end of the metal hose (2) is connect with the liquid inlet of the liquid carbon dioxide pipe (3), the liquid The outlet end of carbon dioxide pipe (3) is connect with the liquid inlet of the ground liquid carbon dioxide control valve (4), the ground liquid The outlet end of carbon dioxide control valve (4) is connect with the liquid inlet of the high-pressure seamless liquid carbon dioxide pipe (5), the high pressure The outlet end of seamless liquid carbon dioxide pipe (5) is connect with the liquid inlet of the liquid carbon dioxide decompressor (6), the liquid The outlet end of state carbon dioxide decompressor (6) is connect with the liquid inlet of the entrance master control valve (12), the entrance master control The outlet end of valve (12) processed is connect with the liquid inlet of the liquid carbon dioxide gasification installation group (13), the liquid carbon dioxide The outlet side of gasification installation group (13) is connect by liquid carbon dioxide pipe (16) with the liquid inlet of first wind turbine (19), institute State PLC control system (23) respectively with first wind turbine (19), the liquid carbon dioxide gasification installation group (13), it is described enter Mouth master control valve (12) and the liquid carbon dioxide decompressor (6) electrical connection.
- A kind of 2. liquid carbon dioxide cooling fire extinguishing system according to claim 1, which is characterized in that the liquid two Carbonoxide decompressor (6) includes liquid carbon dioxide decompression main valve (7), temperature and pressure transmitter (8) and reducer unit (11), The liquid feeding end and outlet end of the reducer unit (11) are connect with the temperature and pressure transmitter (8), the reducer unit (11) liquid outlet of the temperature and pressure transmitter (8) of feed liquor end side and the high-pressure seamless liquid carbon dioxide pipe (5) it Between be connected with liquid carbon dioxide decompression main valve (7), the temperature and pressure transmitter (8) includes temperature sensor (801) With pressure sensor (802), the PLC control system respectively with the temperature and pressure transmitter (801) and pressure sensor (802) it is electrically connected.
- A kind of 3. liquid carbon dioxide cooling fire extinguishing system according to claim 1, which is characterized in that the liquid two Oxidation carbon gasification plant group (13) includes liquid feeding end control valve (14), liquid carbon dioxide data acquisition device (15), liquid two Carbonoxide pipe (16), outlet side control valve (17) and liquid carbon dioxide gasification installation (18), the liquid carbon dioxide gasification The liquid feeding end of device (18) and outlet side are respectively connected with the liquid carbon dioxide data acquisition device (15), the liquid dioxy Change the liquid carbon dioxide data acquisition device (15) of carbon gasification plant (18) outlet end side and first wind turbine (19) Between be connected with the outlet side control valve (17), the liquid carbon dioxide data acquisition device (15) includes the first temperature and passes Sensor (1501) and second temperature sensor (1502), the PLC control system (23) respectively with first temperature sensor (1501) it is electrically connected with the second temperature sensor (1502).
- 4. a kind of liquid carbon dioxide cooling fire extinguishing system according to claim 1, which is characterized in that the system is also Including：Goaf temperature sensor (9), goaf pressure sensor (10)；First wind turbine (19), goaf temperature sensing Device (9), goaf pressure sensor (10), high-pressure seamless metal hose (20), intake air temperature measure (21) and the second wind turbine (22), the outlet end of the high-pressure seamless metal hose (20) measures the liquid inlet of (21) with the intake air temperature and connect, institute The outlet end for stating intake air temperature measure (21) is connect with second wind turbine (22), liquid carbon dioxide pipe (16) outer wall It is provided with digging delivery area temperature sensor (9) and the goaf pressure sensor (10), the PLC control system point It is not electrically connected with the goaf temperature sensor (9) and the goaf pressure sensor (10).
- A kind of 5. liquid carbon dioxide cooling fire extinguishing system according to claim 3, which is characterized in that the liquid two The quantity of oxidation carbon gasification plant (18) is at least 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810076371.6A CN108222999A (en) | 2018-01-26 | 2018-01-26 | A kind of liquid carbon dioxide cooling fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810076371.6A CN108222999A (en) | 2018-01-26 | 2018-01-26 | A kind of liquid carbon dioxide cooling fire extinguishing system |
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| CN108222999A true CN108222999A (en) | 2018-06-29 |
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| CN201810076371.6A Pending CN108222999A (en) | 2018-01-26 | 2018-01-26 | A kind of liquid carbon dioxide cooling fire extinguishing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425007A (en) * | 2019-07-29 | 2019-11-08 | 宿州市金鼎安全技术股份有限公司 | A kind of coal mine natural fire monitoring device based on fiber-optic grating sensor |
| CN112245842A (en) * | 2020-09-25 | 2021-01-22 | 淄博祥龙测控技术有限公司 | Underground mobile low-temperature liquid intelligent fire prevention and extinguishing system for coal mine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747226A (en) * | 2015-03-26 | 2015-07-01 | 神华集团有限责任公司 | Mine liquid nitrogen fire preventing and extinguishing system and using method thereof |
| CN104775843A (en) * | 2015-04-02 | 2015-07-15 | 神华集团有限责任公司 | Liquid nitrogen fireproof fire extinguishing system and method |
| CN105484787A (en) * | 2015-12-29 | 2016-04-13 | 神华集团有限责任公司 | Coal-mine liquid-nitrogen fire-prevention cooling system and method |
| CN207879371U (en) * | 2018-01-26 | 2018-09-18 | 宁夏德大气体开发科技有限公司 | A kind of liquid carbon dioxide cooling fire extinguishing system |
-
2018
- 2018-01-26 CN CN201810076371.6A patent/CN108222999A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747226A (en) * | 2015-03-26 | 2015-07-01 | 神华集团有限责任公司 | Mine liquid nitrogen fire preventing and extinguishing system and using method thereof |
| CN104775843A (en) * | 2015-04-02 | 2015-07-15 | 神华集团有限责任公司 | Liquid nitrogen fireproof fire extinguishing system and method |
| CN105484787A (en) * | 2015-12-29 | 2016-04-13 | 神华集团有限责任公司 | Coal-mine liquid-nitrogen fire-prevention cooling system and method |
| CN207879371U (en) * | 2018-01-26 | 2018-09-18 | 宁夏德大气体开发科技有限公司 | A kind of liquid carbon dioxide cooling fire extinguishing system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425007A (en) * | 2019-07-29 | 2019-11-08 | 宿州市金鼎安全技术股份有限公司 | A kind of coal mine natural fire monitoring device based on fiber-optic grating sensor |
| CN112245842A (en) * | 2020-09-25 | 2021-01-22 | 淄博祥龙测控技术有限公司 | Underground mobile low-temperature liquid intelligent fire prevention and extinguishing system for coal mine |
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