CN1806869A - Carbon dioxide fire-extinguishing system inerting unit - Google Patents

Carbon dioxide fire-extinguishing system inerting unit Download PDF

Info

Publication number
CN1806869A
CN1806869A CN 200510022419 CN200510022419A CN1806869A CN 1806869 A CN1806869 A CN 1806869A CN 200510022419 CN200510022419 CN 200510022419 CN 200510022419 A CN200510022419 A CN 200510022419A CN 1806869 A CN1806869 A CN 1806869A
Authority
CN
China
Prior art keywords
fire
flow
extinguishing system
valve
signal
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.)
Granted
Application number
CN 200510022419
Other languages
Chinese (zh)
Other versions
CN100553715C (en
Inventor
汪映标
徐洪勋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vitalong Fire Safety Group Co Ltd
Original Assignee
SICHUAN WEILONG XIAOFANG SHEBEI CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SICHUAN WEILONG XIAOFANG SHEBEI CO Ltd filed Critical SICHUAN WEILONG XIAOFANG SHEBEI CO Ltd
Priority to CNB2005100224198A priority Critical patent/CN100553715C/en
Publication of CN1806869A publication Critical patent/CN1806869A/en
Application granted granted Critical
Publication of CN100553715C publication Critical patent/CN100553715C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The invention discloses a carbon dioxide fire-extinguishing system inerting device, which is characterized by the following: one end of control valve(4)connects to master control valve(3) of fire-extinguishing system through canal; another end of control valve(40) links up carburetor(15) through canal; the rear end of carburetor(15) joins liquid limit valve(10) through decompressor(7); the pressure sensing device1#(6) is installed on the pipe between carburetor(15) and decompressor(7); the flow sensor(8) and pressure sensing device2#(9) are set up on the pipe between decompressor(7) and liquid limit valve(10) one by one; the pipe connecting to the rear end of liquid limit valve(10) is broken down into a plurality of pipes; every branch pipe installs selector valve(12) of fire-extinguishing system; the rear end of selector valve(12) installs end pressure sensor(13). The invention ensures that the carbon dioxide of CO2 fire-extinguishing system evaporates completely before erupting.

Description

Carbon dioxide fire-extinguishing system inerting unit
Technical field
The present invention relates to fire-fighting system, especially relate to a kind of carbon dioxide fire-extinguishing system inerting unit that is used for fire fighting extinguisher.
Background technology
At present, in the coal-burning boiler device, the generation oxidation causes the self-heating of coal dust in the air because the unsalted surface of coal dust is exposed to, thereby causes the burning of coal dust.Generally, by reducing the humidity of coal dust, shorten the storage life and the mobile chance that can reduce coal dust generation spontaneous combustion of controlling air in the bucket storehouse of coal dust.Therefore be CO to thermal power plant, cement plant for the common way of fire-fighting protection of equipment such as Pulverized Coal Bin, thickness powder separator 2With the activity that reduces coal dust, adopt CO 2Gas extinguishing system inerting fire extinguishing.
Summary of the invention
Vaporize fully before the purpose of this invention is to provide the carbon dioxide eruption in a kind of CO2 of making fire extinguishing system, and the carbon dioxide fire-extinguishing system inerting unit of stability of flow output.
In order to achieve the above object, the present invention adopts following technical scheme: a kind of carbon dioxide fire-extinguishing system inerting unit, this device comprises vaporizer, vaporization controller, the terminal pressure sensor, flow-limiting valve, pressure sensor 2#, flow sensor, pressure reducer, pressure sensor 1#, control valve, wherein control valve one end connects the master control valve of fire extinguishing system through pipeline, its other end connects vaporizer through pipeline, the rear end of vaporizer connects flow-limiting valve through pressure reducer, pipeline between vaporizer and the pressure reducer is provided with pressure sensor 1#, on the pipeline between pressure reducer and the flow-limiting valve, be disposed with flow sensor and pressure sensor 2#, the pipe branch that the flow-limiting valve rear end connects becomes plurality of conduits, be separately installed with the selector valve of fire extinguishing system on every branch pipe(tube), the pipeline of selector valve rear end is provided with the terminal pressure sensor; Vaporization controller is accepted unlatching, the stop signal of fire-extinguishing apparatus controller in the fire extinguishing system, control control valve unlatching, close; Accept the signal of pressure sensor 1#, the accent of control control valve is big or open, turn down or close; Accept unlatching, the stop signal of fire-extinguishing apparatus controller in the fire extinguishing system, control vaporizer in heater unlatching, close; Accept the signal of pressure sensor 1#, control vaporizer in heater unlatching, close; Accept the signal of temperature limit switch in the vaporizer, close the heater in the vaporizer; Accept the signal of flow sensor, pressure sensor 2#, regulate the flow-limiting valve action, limited flow; Accept the signal of terminal pressure sensor, instruct the manual adjustments pressure reducer, the pressure that makes pipe end is desired value.The fire-extinguishing apparatus controller of fire extinguishing system connects master control valve, selector valve through lead.With the matching used fire-extinguishing apparatus controller of carbon dioxide fire-extinguishing system inerting unit of the present invention, fire alarm control unit, master control valve and selector valve all be the parts of traditional fire extinguishing system.
Through facts have proved, the time of its carbon dioxide inerting fire extinguishing was generally 6~8 hours, and pipe end pressure is not more than 0.3Mpa.Because CO 2Be to store, with CO with the gas-liquid two-phase form 2It must be vaporized before the eruption, this work is finished by vaporizer, thereby the vaporizer in this programme is installed in fire-extinguishing apparatus (carbon dioxide extinguisher installation) rear end, the selector valve front end, electric heater in the vaporizer is unlatching, the stop signal that receives the fire-extinguishing apparatus controller by vaporization controller, the unlatching of control electric heater, close, vaporization controller receives the signal of pressure sensor 1#, the unlatching of control electric heater, closes.Vaporization controller receives the signal of temperature limit switch, closes electric heater.Simultaneously for guaranteeing carbon dioxide extinguishing agent flow, terminal pressure, thereby pressure reducer and flow-limiting valve are installed at the selector valve front end, control the whole terminal carbon dioxide gas pressure that installs pipes by pressure reducer, control the flow of carbon dioxide extinguishing agent by flow-limiting valve, it is the signal that receives flow sensor, pressure sensor 2# by vaporization controller, the action of adjusting flow-limiting valve, limited flow; Vaporization controller receives the signal of terminal pressure sensor, instructs the manual adjustments pressure reducer, and making terminal pressure is desired value.Like this, the present invention can guarantee vaporization fully before the carbon dioxide eruption in the CO2 fire extinguishing system, and stability of flow output, thereby efficiently solves spontaneous combustion problem in storage facilities such as coal dust.And the present invention is rational in infrastructure, practicality, good economy performance.
Description of drawings
Fig. 1 is a composition structure chart of the present invention;
Fig. 2 is the control principle figure of control valve 4 among the present invention;
Fig. 3 is the control principle figure of vaporizer 15 among the present invention;
Fig. 4 is the control principle figure of flow-limiting valve 10 among the present invention;
Fig. 5 is the control principle figure between terminal pressure sensor 13 and the vaporization controller 14 among the present invention;
Fig. 6 is the control principle figure that fire-extinguishing apparatus controller 2, fire alarm control unit, master control valve 3 and the selector valve 12 in traditional fire extinguishing system used in the present invention;
Fig. 7 is the structural representation of vaporizer 15 among the present invention;
Fig. 8 is the outline drawing of flange 19 in the vaporizer 15 of the present invention;
Fig. 9 is the circuit theory diagrams of switch acquisition device among the present invention;
Figure 10 is the circuit theory diagrams of analog quantity acquiring device among the present invention;
Figure 11 is the circuit theory diagrams of vaporization controller 14 among the present invention;
Figure 12 is the circuit diagram of switch acquisition device among the present invention;
Figure 13 is the circuit diagram of analog quantity acquiring device among the present invention;
Figure 14 is the circuit diagram of vaporization controller 14 among the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the operation principle of carbon dioxide fire-extinguishing system inerting unit specific embodiment of the present invention is described in further detail and is described below:
The structure of carbon dioxide fire-extinguishing system inerting unit of the present invention such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Figure 7: this installs mainly by control valve 4, check valve 5, pressure sensor 1#6, pressure reducer 7, flow sensor 8, pressure sensor 2#9, flow-limiting valve 10, safety valve 11, terminal pressure sensor 13, vaporization controller 14, vaporizer 15 constitutes, wherein control valve 4 one ends connect the master control valve 3 of fire extinguishing system through pipeline, master control valve 3 is connected with the carbon dioxide extinguisher installation 1 that stores extinguishing chemical through pipeline, the other end of control valve 4 connects vaporizer 15 through pipeline, the rear end of vaporizer 15 connects flow-limiting valve 10 through pressure reducer 7, pipeline between vaporizer 15 and the pressure reducer 7 is provided with pressure sensor 1#6, on the pipeline between pressure reducer 7 and the flow-limiting valve 10, be disposed with flow sensor 8 and pressure sensor 2#9, the pipe branch that flow-limiting valve 10 rear ends connect becomes plurality of conduits, be separately installed with the selector valve 12 of fire extinguishing system on every branch pipe(tube), the pipeline of selector valve 12 rear ends is provided with pressure sensor 13, terminal pressure sensor 13 connects vaporization controller 14 through lead, and vaporization controller 14 connects control valve 4 respectively through lead, vaporizer 15, flow-limiting valve 10, pressure sensor 1#6, flow sensor 8, the fire-extinguishing apparatus controller 2 of pressure sensor 2#9 and fire extinguishing system.
Vaporization controller 14 is accepted unlatching, the stop signal of fire-extinguishing apparatus controller 2 in the fire extinguishing system, control control valve 4 unlatching, close; Accept the signal of pressure sensor 1#6, the accent of control control valve 4 is big or open, turn down or close; Accept unlatching, the stop signal of fire-extinguishing apparatus controller 2 in the fire extinguishing system, control vaporizer 15 in heater unlatching, close; Accept the signal of pressure sensor 1#6, control vaporizer 15 in heater unlatching, close; Accept the signal of temperature limit switch in the vaporizer 15, close the heater in the vaporizer 15; Accept the signal of flow sensor 8, pressure sensor 2#9, regulate flow-limiting valve 10 actions, limited flow; Accept the signal of terminal pressure sensor 13, instruct manual adjustments pressure reducer 7, the pressure that makes pipe end is desired value.Described vaporizer 15 is electrical heating or Steam Heating, and many group heating tube forms are adopted in electrical heating.Pipeline between described control valve 4 and the vaporizer 15 is provided with check valve 5; On the pipeline of described flow-limiting valve 10 rear ends safety valve 11 is installed.Described flow-limiting valve 10 is electronic adjustable flow-limiting valve, and a plurality of flow-limiting valves 10 are formed the Flow-rate adjustment group.Selector valve 12 is pneumatic selector valve.The pipe branch that described flow-limiting valve 10 rear ends connect becomes 20 branch pipe(tube)s.With carbon dioxide extinguisher installation 1, master control valve 3 and the selector valve 4 of the matching used fire-extinguishing apparatus controller 2 of this inerting scheme, fire alarm control unit, storage extinguishing chemical all be the parts of traditional fire extinguishing system, fire-extinguishing apparatus controller 2 is connected with selector valve 4, master control valve 3 respectively through lead.Control valve 4 in the utility model, check valve 5, pressure sensor 1#6, pressure reducer 7, flow sensor 8, pressure sensor 2#9, flow-limiting valve 10, safety valve 11, terminal pressure sensor 13 can adopt the existing market product sold.
See Fig. 7, Fig. 8 as can be known: vaporizer 15 is hydrostatic column, many group heating tubes 16 and temperature limit switch 18 are installed in the container, temperature limit switch 18 is connected with vaporization controller 14 through lead, many group heating tubes 16 and temperature limit switch 18 are fixing by the flange 19 of container open end, flange 19 outsides at the shell nozzle end are equipped with terminal box 17, are separately installed with air inlet pipe 20 and escape pipe 21 in the container front and back end.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 9, Figure 10, shown in Figure 11: the fire information address that vaporization controller 14 obtains 20 codings by bus, the switch acquisition device fire-extinguishing apparatus controller 2 from fire extinguishing system; Vaporization controller 14 obtains the fire extinguishing pressure information of 20 codings by bus, analog quantity acquiring device from 20 fire extinguishing arm terminal pressure sensors, and the fire information of 20 codings that fire-extinguishing apparatus controller 2 provides in the fire extinguishing pressure information of these 20 codings and the fire extinguishing system is corresponding one by one.The switch acquisition device is 21 way switch amount collectors, it has the switching value signal of 20 coding fire information addresses, the switching value signal that also has a master control valve events, wherein (1#-20# reports to the police and exports (often running), No. 1 main valve output (normally closed), contains 485 buses, 1 road communication state indicator lamp 21 way switch amount collectors, the DC24V power supply), 20 road analog quantity acquiring devices are 20 tunnel terminal pressure signal picker (0---10MPA, the input of 20 road 4---20MA signals, contain 485 buses, 1 road communication state indicator lamp, the DC24V power supply).
At Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, among Figure 14, the switch acquisition device is exactly an acquisition module in fact, be the sell goods on the existing market, X0-X19 is the switching value signal of 20 coding fire information addresses of switch acquisition device, X20 is the switching value signal of master control valve events, X21-X23 is an alternate channel, this 21 way switch amount signal is that the switch acquisition device is by single socket CZ2, CZ3, CZ4 obtains this signal from fire-extinguishing apparatus controller 2, this 20 tunnel fire information switching value signal is isolated input circuit (being made up of 24 light lotus root PC817) by photoelectricity, micro-processor interface circuit (chip 89S51) and chip P521-4 and chip 75176 are after interface CZ5 is input to the input interface CZ4 of vaporization controller 14, and the switching value signal of 1 tunnel master control valve events is isolated input circuit (being made up of 24 light lotus root PC817) by photoelectricity, micro-processor interface circuit (chip 89S51) back control master control valve 3.
At Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, among Figure 14, analog quantity acquiring device is exactly an acquisition module in fact, be the sell goods on the existing market, A0-A19 is 20 fire extinguishing pressure information road analog signalses of analog quantity acquiring device, these 20 analog signalses are that analog quantity acquiring device passes through single socket CZ2, CZ3, CZ4 obtains this signal from terminal 20 terminal pressure sensors 13, and (this circuit is by diode D2-D23 by simulated measurement input circuit for this 20 road analog signals, ZD1-ZD22 and resistance R 41-R62, R19-R40, R63-R84 forms), acquisition chip TLC1543 and chip 75176 are after interface CZ5 is input to the input interface CZ4 of vaporization controller 14.The communication interface A of vaporization controller 14, B (CZ4), this communication interface A, B is from the communication interface A of switch acquisition device, the communication interface A of B (CZ5) and analog quantity acquiring device, B (CZ5) obtains 20 way switch amount signals and 20 road analog signalses respectively, vaporization controller 14 also is provided with Switching Power Supply input interface CZ12, control valve terminal pressure feedback input control interface CZ1, heating control interface CZ2, CZ3,4 the tunnel regulate output control interface CZ13, outside input control interface CZ11, communication indication interface CZ5, heating indication interface CZ6, CZ7, be used to indicate heating-up temperature, start indication interface CZ8, stop to indicate interface CZ9, pressure input and adding temperature input interface CZ10, and adopting LED1 to show terminal pressure, LED2 shows main pipe pressure.Vaporizer 15 provides a path switching signal by a temperature limit switch 18 to the interface CZ10 of vaporization controller 14, and the interface CZ7 of the external pressure sensor signal of one road 4-20mA to vaporization controller 14 is provided; Main pipe pressure sensor 1#6 provides the pressure for vaporization signal of one road 4-20mA for the interface CZ1 of vaporization controller 14; Flow sensor 8 provides the flow detecting signal of one road 4-20mA for the interface CZ11 of vaporization controller 14.Vaporization controller 14 (one road main pipe pressure input signal 4---20MA, 4 road P worker D instrument power supplys control output, two groups add thermal control output signal, the input of one road temperature limit switch signal, one road communication state indicator lamp, 2 tunnel heating indication, 2 buttons (move, stop), lamps (running indicator, stopping light), key is set, increases key, reduces key, pressure demonstration); Flow-limiting valve 10 is regulated the flow that spurts CO2 and is remained on a setting value.20 fire extinguishing arm terminal pressure sensors 13 provide 20 codings (the fire extinguishing arm pressure information of 1#~20#), (fire extinguishing arm terminal pressure sensor export to communication module be 420mA standard electric signal) by the RS485 bus to vaporization controller.WTDY-2000 equipment is carbon dioxide extinguisher installation 1; the ability that possesses 20 districts of protection. fire-extinguishing apparatus controller 2 provides the fire address information of 20 codings to vaporization controller by the RS485 bus; (WTDY-2000 fire-extinguishing apparatus controller 2 is the switching value signal to communication module output); and provide the switching value signal (can be integrated on the communication module) of one tunnel master control valve events; the fire information address of 20 codings of WTDY-2000 fire-extinguishing apparatus controller 2 outputs; compiling respectively is 1#~20#, and corresponding one by one with 20 fire extinguishing arm terminal pressure sensor 13 items.
In sum, after vaporization controller 14 received 20 way switch amount signals and 20 road analog signalses by interface CZ4, this switching value signal that vaporization controller 14 will obtain was handled the unlatching of back by regulating output control interface CZ13 and control control valve 4, is closed through chip 75176; Vaporization controller 14 is accepted the signal of pressure sensor 1#6 by interface CZ10, and this signal is handled after the accent of control interface CZ13 control control valve 4 is big or open, turn down or close through simulated measurement input circuit; Vaporization controller 14 is accepted unlatching, the shutdown switch amount signal of fire-extinguishing apparatus controller 2 in the fire extinguishing system, vaporization controller 14 with this signal through chip 75176 with isolate that input circuit is handled after the unlatching of heater in interface CZ2, the CZ3 control vaporizer 15, close; Vaporization controller 14 is accepted the signal of pressure sensor 1#6 by interface CZ10, vaporization controller 14 with this signal through chip 75176 with isolate that input circuit is handled after the unlatching of heater in interface CZ2, the CZ3 control vaporizer 15, close; Vaporization controller 14 is accepted the signal of temperature limit switch in the vaporizer 15 by interface CZ11, vaporization controller 14 with this signal through chip 75176 with isolate that input circuit is handled after the heater in the vaporizer 15 is closed in interface CZ2, CZ3 control; Vaporization controller 14 is accepted the signal of flow sensor 8, pressure sensor 2#9 by interface CZ10, and vaporization controller 14 is handled this signal after interface CZ13 regulates flow-limiting valve 10 actions, limited flow through simulated measurement input circuit; Vaporization controller 14 is accepted the signal of terminal pressure sensor 13 through interface CZ1, and the pressure that shows according to vaporization controller 14 instructs manual adjustments pressure reducer 7, and the pressure that makes pipe end is desired value.
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, shown in Figure 14: each functions of components among the present invention is as follows: 1. vaporization controller: vaporization controller is the control centre of whole inerting unit, its receives the detection signal of Fire extinguisher, temperature limit switch, pressure sensor 1#, flow sensor, pressure sensor 2#, terminal pressure sensor 1~n#, the corresponding actions of controlled part in the control device: the unlatching of control valve, close; The connection of vaporizer heating power supply, shutoff; The Flow-rate adjustment of flow-limiting valve; Terminal pressure shows.The information that vaporization controller mainly provides according to WTDY-2000 fire-extinguishing apparatus controller, electric heating carburetor temperature limit switch, vapourizing temperature sensor, main pipe pressure sensor, flow detection control device and terminal pressure sensor, control being responsible for electric control valve, electric heating carburetor heating tube and the electronic flow-limiting valve of subregion arm respectively, reach the purpose of regulating interior carbon dioxide vaporization temperature of control pipe network and flow.2. control valve: the CO2 of control gas-liquid phase enters vaporizer.Vaporization controller receives unlatching, the stop signal of fire-extinguishing apparatus controller, the unlatching of control and regulation valve, closes; Vaporization controller receives the signal of pressure sensor 1#, and the accent of control and regulation valve is big or open, turn down or close.3. check valve: after preventing that Yin Wendu raises in the vaporizer, the CO that pressure increases 2, pour in down a chimney into the carbon dioxide basin.4. vaporizer: adopt electric heating tube, the CO2 of gas-liquid phase is advanced heating, obtain the CO2 of pure gas phase.The temperature inside limit switch is used for turn-offing the power supply of electric heating tube, limits the maximum temperature of CO2 heating; Vaporization controller receives unlatching, the stop signal of fire-extinguishing apparatus controller, connection, the shutoff of control electric heating tube power supply; Vaporization controller receives the signal of pressure sensor 1#, connection, the shutoff of control electric heating tube power supply, electric heating carburetor provides a way switch amount signal by a temperature limit switch to vaporization controller, and the external pressure sensor signal of one road 4-20mA is provided.5. pressure sensor 1#: by the signal of its successor's vaporization controller, control the break-make of vaporizer electric heating tube, the keying of control valve, the main pipe pressure sensor provides one road 4-20mA pressure for vaporization signal to vaporization controller.6. pressure reducer: the pressure that is used to regulate the pipeline end.Vaporization controller receives the signal of terminal pressure sensor 1~n#, shows its pressure, the manual adjustments pressure reducer, and the pressure that makes terminal pipeline is desired value.7. flow sensor: measure CO in the pipeline 2Flow, with the signal vaporization controller of passing on a skill of craft to others, regulate flow-limiting valve, the flow detection control device provides the subregion arm flow detecting signal of one road 4-20mA.8. pressure sensor 2#: measure CO in the pipeline 2Pressure, with the signal vaporization controller of passing on a skill of craft to others, be convenient to CO in the vaporization controller correction pipeline 2Flow.9. flow-limiting valve: CO in the restriction pipeline 2Flow.Vaporization controller receives the signal of flow sensor, pressure sensor 2#, and output signal is regulated the flow-limiting valve action to flow-limiting valve, regulates CO in the pipeline 2Flow.10. safety valve: the safety devices that are inerting unit.Simultaneously after inerting unit quits work, remaining CO in the inerting unit 2, under the effect of environment temperature, cause CO in the inerting unit 2Pressure raise, also by this discharge of safety valve.11. terminal pressure sensor 1~n#: measure CO in the terminal pipeline 2Pressure, with the signal vaporization controller of passing on a skill of craft to others, be convenient to regulate CO in the terminal pipeline with pressure reducer 2Pressure.In Fig. 6, after fire alarm control unit obtained fire signal, the position in decision signal source opened the selector valve 4 of master control valve 3 and n# subregion for fire-extinguishing apparatus controller 2, fire-extinguishing apparatus controller 2 thereby send n# subregion enabling signal; Close the selector valve 4 of master control valve 3 and n# subregion when time-delay certain hour fire-extinguishing apparatus controller 2.In the present invention, the circuit of vaporization controller 14, switch acquisition device and analog quantity acquiring device can adopt conventional circuit structure, the components and parts that the employed components and parts of all circuit can adopt the existing market to sell.
The present invention is achieved in that system is master controller by vaporization controller 14, and it obtains startup, stops and spurting regional information by 485 buses from the switch acquisition converter, obtains analog quantity acquiring device information by bus, and shows terminal pressure.During startup, vaporization controller 14 is opened the arm control valve when main pipe pressure is lower than 1.6MPA, make liquid CO 2Enter and be responsible for the thermal treatment zone, when being heated to main pipe pressure, close control valve greater than 7MPA.The CO of big pressure 2Gas, by pressure-reducing valve, pressure is reduced to 0.8MPA, enters flow controlling unit, and the flow by in advance is given, and the flow feedback data, regulates electric control valve by the PID adjusting apparatus and provides than stable flow rate and export.Control to guarantee reliably the inerting of object of protection to be put out a fire.
Carbon dioxide fire-extinguishing system inerting unit of the present invention is not limited to the scope of the specific embodiment, and all utilize innovation and creation that the present invention conceives all at the row of protection.

Claims (9)

1, a kind of carbon dioxide fire-extinguishing system inerting unit, it is characterized in that: this device comprises vaporizer (15), vaporization controller (14), terminal pressure sensor (13), flow-limiting valve (10), pressure sensor 2# (9), flow sensor (8), pressure reducer (7), pressure sensor 1# (6), control valve (4), wherein the air inlet pipe of vaporizer (15) connects the master control valve (3) of fire extinguishing system through control valve (4), the escape pipe of vaporizer (15) connects flow-limiting valve (10) through pressure reducer (7), pipeline between vaporizer (15) and the pressure reducer (7) is provided with pressure sensor 1# (6), on the pipeline between pressure reducer (7) and the flow-limiting valve (10), be disposed with flow sensor (8) and pressure sensor 2# (9), the pipe branch that flow-limiting valve (10) rear end connects becomes plurality of conduits, be separately installed with the selector valve (12) of fire extinguishing system on every branch pipe(tube), the pipeline of selector valve (12) rear end is provided with terminal pressure sensor (13); Vaporization controller (14) is accepted unlatching, the stop signal of fire-extinguishing apparatus controller (2) in the fire extinguishing system, control control valve (4) unlatching, close; Accept the signal of pressure sensor 1# (6), the accent of control control valve (4) is big or open, turn down or close; Accept unlatching, the stop signal of fire-extinguishing apparatus controller (2) in the fire extinguishing system, the unlatching of heater in control vaporizer (15), close; Accept the signal of pressure sensor 1# (6), the unlatching of heater in control vaporizer (15), close; Accept the signal of temperature limit switch in the vaporizer (15), close the heater in the vaporizer (15); Accept the signal of flow sensor (8), pressure sensor 2# (9), regulate flow-limiting valve (10) action, limited flow; Accept the signal of terminal pressure sensor (13), instruct manual adjustments pressure reducer (7), the pressure that makes pipe end is desired value.
2, carbon dioxide fire-extinguishing system inerting unit according to claim 1 is characterized in that: vaporizer (15) is electrical heating or Steam Heating, and many group heating tube forms are adopted in electrical heating.
3, carbon dioxide fire-extinguishing system inerting unit according to claim 1 is characterized in that: the pipeline between control valve (4) and the vaporizer (15) is provided with check valve (5); Safety valve (11) is installed on the pipeline of flow-limiting valve (10) rear end.
4, carbon dioxide fire-extinguishing system inerting unit according to claim 1 is characterized in that: the pipe branch that flow-limiting valve (10) rear end connects becomes 20 branch pipe(tube)s.
5, according to claim 1 or 2 or 3 described carbon dioxide fire-extinguishing system inerting units, it is characterized in that: vaporizer (15) is a hydrostatic column, many group heating tubes (16) and temperature limit switch (18) are installed in the container, temperature limit switch (18) is connected with vaporization controller (14) through lead, many group heating tubes (16) and temperature limit switch (18) are fixing by the flange (19) of container open end, flange (19) outside at the shell nozzle end is equipped with terminal box (17), is separately installed with air inlet pipe (20) and escape pipe (21) in the container front and back end.
6, according to claim 1 or 4 described carbon dioxide fire-extinguishing system inerting units, it is characterized in that: the fire information address that vaporization controller (14) obtains 20 codings by bus, the switch acquisition device fire-extinguishing apparatus controller (2) from fire extinguishing system; Vaporization controller (14) obtains the fire extinguishing pressure information of 20 codings by bus, analog quantity acquiring device from 20 fire extinguishing arm terminal pressure sensors, and the fire information of 20 codings that fire-extinguishing apparatus controller (2) provides in the fire extinguishing pressure information of these 20 codings and the fire extinguishing system is corresponding one by one.
7, carbon dioxide fire-extinguishing system inerting unit according to claim 1 and 2, it is characterized in that: vaporizer (15) provides a path switching signal by a temperature limit switch to vaporization controller (14), and the external pressure sensor signal of one road 4-20mA is provided; Main pipe pressure sensor 1# (6) provides the pressure for vaporization signal of one road 4-20mA for vaporization controller (14); Flow sensor (8) provides the flow detecting signal of one road 4-20mA for vaporization controller (14).
8, carbon dioxide fire-extinguishing system inerting unit according to claim 1 is characterized in that: flow-limiting valve (10) is electronic adjustable flow-limiting valve.
9, carbon dioxide fire-extinguishing system inerting unit according to claim 1 is characterized in that: a plurality of flow-limiting valves (10) are formed the Flow-rate adjustment group.
CNB2005100224198A 2005-12-28 2005-12-28 Carbon dioxide fire-extinguishing system inerting unit Active CN100553715C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005100224198A CN100553715C (en) 2005-12-28 2005-12-28 Carbon dioxide fire-extinguishing system inerting unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2005100224198A CN100553715C (en) 2005-12-28 2005-12-28 Carbon dioxide fire-extinguishing system inerting unit

Publications (2)

Publication Number Publication Date
CN1806869A true CN1806869A (en) 2006-07-26
CN100553715C CN100553715C (en) 2009-10-28

Family

ID=36839076

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005100224198A Active CN100553715C (en) 2005-12-28 2005-12-28 Carbon dioxide fire-extinguishing system inerting unit

Country Status (1)

Country Link
CN (1) CN100553715C (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103877689A (en) * 2014-04-11 2014-06-25 江苏克莱门特自动化设备有限公司 Carbon dioxide fire extinguishing autonomic control system and control method thereof
CN104736206A (en) * 2012-06-14 2015-06-24 兰德股份公司 Fire prevention in storage silos
CN105180998A (en) * 2015-08-13 2015-12-23 威特龙消防安全集团股份公司 Fire-extinguishing test method and test apparatus based on artificial cave white spirit cellar
CN108785946A (en) * 2017-04-27 2018-11-13 南京消防器材股份有限公司 A kind of gas extinguishing system control method
CN109954243A (en) * 2019-03-13 2019-07-02 上海保烁信息技术工程有限公司 A kind of extinguishing device of pump group formula carrier gas extinguishing medium
CN112185232A (en) * 2020-09-30 2021-01-05 中国兵器装备集团上海电控研究所 Fire extinguishing bottle simulation device and method
CN115518320A (en) * 2022-09-01 2022-12-27 米凯利科技(北京)有限公司 Carbon dioxide inerting system and fire extinguishing integrated system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104736206A (en) * 2012-06-14 2015-06-24 兰德股份公司 Fire prevention in storage silos
CN103877689A (en) * 2014-04-11 2014-06-25 江苏克莱门特自动化设备有限公司 Carbon dioxide fire extinguishing autonomic control system and control method thereof
CN105180998A (en) * 2015-08-13 2015-12-23 威特龙消防安全集团股份公司 Fire-extinguishing test method and test apparatus based on artificial cave white spirit cellar
CN105180998B (en) * 2015-08-13 2017-11-03 威特龙消防安全集团股份公司 A kind of fire-extinguishing test method and experimental rig based on artificial hole white wine storehouse
CN108785946A (en) * 2017-04-27 2018-11-13 南京消防器材股份有限公司 A kind of gas extinguishing system control method
CN109954243A (en) * 2019-03-13 2019-07-02 上海保烁信息技术工程有限公司 A kind of extinguishing device of pump group formula carrier gas extinguishing medium
CN112185232A (en) * 2020-09-30 2021-01-05 中国兵器装备集团上海电控研究所 Fire extinguishing bottle simulation device and method
CN115518320A (en) * 2022-09-01 2022-12-27 米凯利科技(北京)有限公司 Carbon dioxide inerting system and fire extinguishing integrated system

Also Published As

Publication number Publication date
CN100553715C (en) 2009-10-28

Similar Documents

Publication Publication Date Title
CN100553715C (en) Carbon dioxide fire-extinguishing system inerting unit
CN103335319B (en) FCS torch monitoring management system
CN206580112U (en) A kind of intelligent tank nitrogen seals system
CN101576247A (en) Automatic control system for industrial coal powder boiler
CN108180489A (en) A kind of mixed firing device for shock-wave ash-clearing system
CN104534508A (en) Safe marsh gas combustion control device and method
CN201496940U (en) Industrial coal dust boiler automatic control system
CN2848266Y (en) Carbon dioxide inertial device
CN108426257A (en) A kind of industrial waste gas burning processing system
CN209088620U (en) A kind of power distribution automation monitor terminal
CN204345708U (en) A kind of biogas safe combustion control device
CN202870566U (en) DCS-based garbage incineration equipment control system and power plant
CN104630403A (en) Combustion control method and combustion control system of top-combustion type hot-blast stove
CN104913329A (en) System using low-temperature methanol washing clean gas as fuel gas
CN208819069U (en) Pipeline yard scene remote I/O control device
CN103672963B (en) A kind of multifunction ignition device
CN107883185A (en) LNG feeders and its workflow, LNG air supply systems
CN116220922A (en) Hydrogen mixing gas turbine hydrogen loading control device system and control method
CN108180490A (en) A kind of shock-wave ash-clearing system
CN205191636U (en) HCL synthesizer hydrogen more than needed and natural gas multifuel combustion system
GB2170218A (en) Plant for production of propane-air gas
CN204268065U (en) A kind of liquefied gas at low temp intelligent gas gasifying device
CN201107077Y (en) Control system of automatic purging
CN2835818Y (en) Intelligent controller for gas mass flow proportioning for gas welding or flame normalizing
CN209213816U (en) It lights a fire gas exhaust piping and boiler of power plant system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: SICHUAN WEITELONG FIRE EQUIPMENT CO., LTD.

Free format text: FORMER OWNER: SICHUAN WEILONG FIRE EXTINGUISHING EQUIPMENT CO., LTD.

Effective date: 20100723

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 610036 NO.360, JINZHOU ROAD, TUQIAO, JINNIU DISTRICT, CHENGDU CITY, SICHUANPROVINCE TO: 611731 ADD NO.9, NO.99, XIQU STREET, CHENGDU CITY HIGH-TECH WEST ZONE, SICHUAN PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20100723

Address after: 611731 Chengdu high tech West West Road, No. 99, attached to No. 9, No.

Patentee after: Sichuan Weitelong Fire Fighting Equipment Co., Ltd.

Address before: 610036, No. 360, Jin Zhou road, Jinniu District, Sichuan, Chengdu

Patentee before: Sichuan Weilong Xiaofang Shebei Co., Ltd.

C56 Change in the name or address of the patentee

Owner name: VITALONG FIREFIGHTING SAFETY GROUP CO., LTD.

Free format text: FORMER NAME: SICHUAN WEITELONG FIRE EQUIPMENT CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 611731 Chengdu high tech West West Road, No. 99, attached to No. 9, No.

Patentee after: Witter joint-stock company of dragon security against fire group

Address before: 611731 Chengdu high tech West West Road, No. 99, attached to No. 9, No.

Patentee before: Sichuan Weitelong Fire Fighting Equipment Co., Ltd.