CN109675240A - Critical state carbon-dioxide fire engine equipment - Google Patents
Critical state carbon-dioxide fire engine equipment Download PDFInfo
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- CN109675240A CN109675240A CN201910128214.XA CN201910128214A CN109675240A CN 109675240 A CN109675240 A CN 109675240A CN 201910128214 A CN201910128214 A CN 201910128214A CN 109675240 A CN109675240 A CN 109675240A
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- valve
- storage tank
- pressure
- pipe
- frame body
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/023—Permanently-installed equipment with containers for delivering the extinguishing substance the extinguishing material being expelled by compressed gas, taken from storage tanks, or by generating a pressure gas
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
- A62C35/64—Pipe-line systems pressurised
- A62C35/645—Pipe-line systems pressurised with compressed gas in pipework
Abstract
The invention discloses critical state carbon-dioxide fire engine equipment, belong to fire-fighting equipment technical field, including storage tank, refrigeration unit, evaporator, heating component, pressure sensor and controller；The evaporator includes blind flange, inlet pipe, outlet pipe, coil pipe, support frame, heat exchanger fin and gasket；The coil pipe is spiral surrounding structure, and inside surround and is fixed with several heat exchanger fins；The heating component includes casing and heater；Tank top, sleeve bottom closing are fixed at the top of described sleeve pipe, heater is arranged in casing；Described sleeve pipe and coil pipe are set in storage tank, and are contacted with gas-phase space and liquid Space；The controller is for controlling refrigeration unit and heater work.There is critical state carbon-dioxide fire engine equipment of the invention evaporator temperature adjustment is cooperateed with heating component, and thermoregulation effect is good, compact-sized, safety, energy saving feature.
Description
Technical field
The invention belongs to fire-fighting equipment technical fields, relate in particular to critical state carbon-dioxide fire engine equipment.
Background technique
When pressure carbon dioxide in high-pressure carbon dioxide fire-extinguishing apparatus is lower than storage pressure with variation of ambient temperature, high pressure
Carbon-dioxide fire engine equipment is run in spite of illness；Or when just filling carbon dioxide, pressurized carbon dioxide in high-pressure carbon dioxide fire-extinguishing apparatus
Power will be less than 2MPa, and high-pressure carbon dioxide fire-extinguishing apparatus pressure is unable to reach operating pressure in a short time.
Low pressure CO 2 fire-extinguishing apparatus operating pressure is 1.9MPa~2.1MPa, the i.e. temperature of carbon dioxide extinguishing agent
Between -18 DEG C ~ -20 DEG C.Required according to product design specifications: the temperature between low pressure CO 2 fire-extinguishing apparatus answers 0 DEG C ~ 50
℃.Therefore when just filling carbon dioxide, when pressure carbon dioxide is lower in low pressure CO 2 fire-extinguishing apparatus, due to external environment
Temperature is relatively high, and usually carbon dioxide extinguishing agent keeps the pressure of carbon dioxide extinguishing agent slow by the heat of absorption atmosphere
Slowly operating pressure is risen to.Since low pressure CO 2 fire-extinguishing apparatus has insulating layer, therefore the pressure of carbon dioxide extinguishing agent rises
It is longer to operating pressure, and can not determine pressure rising time.Cause during this period system will be unable to put into operation.
A kind of critical state carbon-dioxide fire engine equipment is needed in the market, and there is evaporator temperature adjustment is cooperateed with heating component, and
Thermoregulation effect is good, compact-sized, safety, energy saving feature.
Summary of the invention
The purpose of the present invention is providing a kind of critical state carbon-dioxide fire engine equipment in view of the above shortcomings, intend to solve as
What makes evaporator cooperate with temperature adjustment with heating component, and thermoregulation effect is good, compact-sized, safety, energy saving problem.It is above-mentioned to realize
Purpose, the invention provides the following technical scheme:
Critical state carbon-dioxide fire engine equipment, it is characterised in that: including storage tank, refrigeration unit, evaporator, heating component, pressure
Sensor and controller；The evaporator includes blind flange, inlet pipe, outlet pipe, coil pipe, support frame, heat exchanger fin and gasket；It is described
Tank top is equipped with flange port；Gasket is pressed on flange port by the blind flange, and is fastened by bolts and to be formed sealing；Institute
It states coil pipe and forms closed loop by passing through inlet pipe, outlet pipe and the refrigeration unit of blind flange；The coil pipe is spiral surrounding structure,
Its inside, which is surround, is fixed with several heat exchanger fins；The coil pipe side and bottom pass through the support frame branch that is fixed below blind flange
Support；The heating component includes casing and heater；Tank top, sleeve bottom closing, heating are fixed at the top of described sleeve pipe
Device is arranged in casing；Described sleeve pipe and coil pipe are set in storage tank, and are contacted with gas-phase space and liquid Space；The pressure
Pressure information is passed to controller for measuring pressure of storage tank by force snesor；The controller is for controlling refrigeration unit
It works with heater.
Due to above structure, pressure information is passed to controller for measuring pressure of storage tank by the pressure sensor；
When pressure is lower than lower limit value, the controller control heating component heating, heating component heats gas-liquid two-phase titanium dioxide simultaneously
Carbon, adherence pressure；If heating component individually heats the gaseous carbon dioxide in storage tank, pressure rise is fast, but liquid dioxy
Change carbon temperature not coming up also, finally, pressure can also lower, and heating component wants frequent starting；If heating component individually heats storage
Liquid carbon dioxide in tank, then pressure rise is slow, and heating component each working time is long, high failure rate；When pressure is higher than upper
When limit value, controller control refrigeration unit refrigeration, evaporator freezes gas-liquid two-phase carbon dioxide simultaneously, reduction pressure.System
Cold group, inlet pipe, coil pipe, outlet pipe are in turn connected to form closed loop, and refrigerant liquid enters coil pipe from inlet pipe, then from outlet pipe stream
Out；The coil pipe be set to storage tank in, contacted with gas-phase space and liquid Space, refrigerant liquid simultaneously with the gaseous state two in storage tank
Carbonoxide, liquid carbon dioxide exchange heat, and gas-liquid two-phase carbon dioxide temperature are reduced, so that pressure reduction, reaches safe storage
The purpose deposited, good refrigeration effect.Gasket is pressed on flange port by the blind flange, and is fastened by bolts and to be formed sealing；
The leakproofness for guaranteeing storage tank, prevents carbon dioxide from revealing, and when failure, dismountable flange lid is evaporated device maintenance, makes to pacify
Dress and maintenance are more convenient；Around several heat exchanger fins are fixed on the inside of coil pipe, better heat exchange can be reached, it will not be additional
Increase the volume of evaporator, it is compact-sized；The coil pipe side and bottom are supported by being fixed on the support frame below blind flange,
Coil pipe side can be inside and be also possible to outside；Several described heat exchanger fin uniform intervals make heat exchange more evenly.It is described several
A heat exchanger fin is fixed in coil pipe inboard, upright.Each heat exchanger fin is fixed vertically, can be contacted each circle pipe of coil pipe, both increased heat exchange
Efficiency also increases the stability of coil arrangement.Support frame as described above includes vertical frame, crossbearer and connecting column；The vertical frame is fixed on coil pipe
Outside；The coil pipe bottom is fixed with crossbearer；The crossbearer is fixed on connection column bottom；At the top of the vertical frame and at the top of connecting column
It is each attached to blind flange lower surface.The support frame that vertical frame, crossbearer and connecting column are constituted lives coiled tube supports, keeps structure more stable.
Vertical frame is at least 2, and uniform intervals；The pipe of coil pipe makes heat exchange more evenly away from consistent.The inlet pipe, outlet pipe and blind flange
Welding, weld are equipped with transition arc.Transition arc reduces the stress due to generating in temperature change, prevents from cracking.It is described
Inlet pipe, outlet pipe and coil pipe have two groups, and keep interval.Heat exchange contact surface is improved, heat exchange efficiency is increased.The gasket is metal
Wound gasket.Use condition under metal wound gasket energy high temperature resistant, high pressure and adaptation ultralow temperature or vacuum.Stress compensation ability is strong.
On temperature, the frequent station of pressure oscillation, sealing performance is stable, reliable.To the flange sealing surface contacted with metal wound gasket
Surface finish requirements it is not high.Also other, which can be used, can reach the gasket of the effect.The metal wound gasket surface is uniform
It is coated with liquid raw material band.Due to above structure, the leakproofness of metal wound gasket is enhanced.When heater breaks down, Ke Yizhi
Online replacement is connect, is extracted out out of casing, does not need to shut down or worry discharge carbon dioxide.Heating component further includes being set to heater
The heating insulating boot at top and the asbestos pad for sealing.It prevents heater from leaking electricity, improves security performance.
It further, further include saddle, sleeper, pedestal, stud, nut, spring washer, plain washer and heat insulation loop；It is described
Tank bottom is equipped with saddle；Sleeper is accompanied between the saddle and pedestal；The stud passes through saddle, sleeper and pedestal, and spiral shell
Column both ends are successively fastened with nut, spring washer, plain washer and heat insulation loop from outside to centre；The heat insulation loop is by stud and saddle
Seat, sleeper, pedestal carry out insulated heat processing, that is, are spaced apart；The storage tank outer layer is wrapped with insulating layer.Due to above structure, mention
The high heat-insulating property of storage tank, reduces extraneous thermally conductive from saddle, carries out heat exchange with storage tank.Well heat-insulating property reduces and adds
Hot component and refrigeration unit working time, frequent starting caused by avoiding because of temperature fluctuation is more energy efficient, and saddle quantity is preferably
Two.
It further, further include safe pressure relief device；The safe pressure relief device include safety valve, safety relief diaphragm,
Electrically-controlled valve, pressure release outlet pipe and pressure release inlet pipe；The pressure release inlet pipe is connected to tank inside；The safety valve, safety relief diaphragm,
Electrically-controlled valve is connected in parallel between pressure release outlet pipe and pressure release inlet pipe；The electrically-controlled valve is electrically connected with the controller.Due to above structure, institute
It states pressure release inlet pipe to be connected to tank inside, when tank internal pressure is excessively high, safe pressure relief device will discharge the two of tank inside
Carbonoxide guarantees safety, and carbon dioxide leads to pressure release outlet pipe through safety valve or safety relief diaphragm or electrically-controlled valve from pressure release inlet pipe,
Re-direct the external world.Preferred amount may be selected to be two safety valves, two safety relief diaphragms have one to be spare, avoid wherein
One failure.
Further, the cracking pressure of the electrically-controlled valve is greater than the upper limit value of storage tank service pressure and is less than safety valve
The lower limit value of cracking pressure；The cracking pressure of the safety relief diaphragm is greater than the upper limit value of opening pressure of safety valve.Due to upper
Structure is stated, safe pressure relief device there are three layers of security protection, first layer: when determination of pressure sensor pressure of storage tank is normal greater than storage tank
When the upper limit value of operating pressure, pressure information is passed to controller by pressure sensor, and controller controls electrically-controlled valve and opens, dioxy
Change carbon and lead to pressure release outlet pipe through electrically-controlled valve from pressure release inlet pipe, re-directs the external world；After pressure returns normally, electrically-controlled valve is closed；Second
Layer: when automatically controlled defective valve, when pressure of storage tank is excessively high, safety valve is opened, and carbon dioxide, which leads to from pressure release inlet pipe through safety valve, to be let out
Blow-off pipe re-directs the external world；After pressure returns normally, safety valve is closed；Third layer: when electrically-controlled valve, safety valve fail, storage
When pressure tank is excessively high, safety relief diaphragm is disposably opened, and carbon dioxide leads to pressure release through safety relief diaphragm from pressure release inlet pipe
Outlet pipe re-directs the external world；Three layers of security protection of safe pressure relief device, it is ensured that the safety of the present apparatus.
It further, further include capacitance level gauge；The capacitance level gauge is for monitoring liquid titanium dioxide in storage tank
Carbon surplus；The tank top is equipped with balance pipe and main line；The balance pipe protrudes into tank inside certain distance, for ensuring
Always there is gas-phase space in storage tank；The balance pipe is gone forward side by side for monitoring whether liquid carbon dioxide is full of and smoothly fills
The setting of working to the last minute of row capacitance level gauge；It sets on the balance pipe and is in charge of there are two reversed balance；The main line protrudes into storage
Bottom in tank；Reversed filling is in charge of there are two setting on the main line.The main line protrudes into the bottom in storage tank；Dioxy
Change carbon to fill completely to come up from the bottom of storage tank, cover balance bottom of the tube, white liquid will occur from balance pipe, is filled with determination
It fills, and carries out the setting of working to the last minute of capacitance level gauge；At this point, the balance pipe protrudes into tank inside certain distance, in storage tank
Always there is gas-phase space, for subsequent heat or refrigeration while acting on gas-liquid two-phase carbon dioxide.It is set on the balance pipe
It is in charge of there are two reversed balance；The main line protrudes into the bottom in storage tank；It is reversed there are two being set on the main line to fill
Dress is in charge of.It can determine the orientation of balanced valve and filling valve setting according to the actual situation, all consider when not needing to go into operation every time flat
Weighing apparatus is in charge of, fills the practical direction being in charge of.
Further, the tank top be equipped be connected to tank inside open and let out pipe, pressure pipe；Described open lets out Guan Shangshe
There are pressure release inlet pipe and primer liner；The primer liner is equipped with air control unit；The pressure pipe is equipped with pressure sensing
Device；Filling at least one is in charge of equipped with filling valve；The balance of at least one, which is in charge of, is equipped with balanced valve；On the main line
Equipped with service valve.Due to above structure, when tank internal pressure is excessively high, carbon dioxide will be filled from pressure release inlet pipe through safety relief
It sets and is discharged into the external world, guarantee equipment safety；Air control unit is used for the carbon dioxide by tank inside, pneumatically to push valve
Door is opened, the injection of carbon dioxide；The pressure pipe is equipped with pressure sensor；Pressure pipe is equipped with maintenance valve.
It further, further include frame body；The frame body includes lower frame frame body and upper frame body；The storage tank is set to down
In frame body；Middle partition is equipped between the lower frame frame body and upper frame body；The middle partition is combined and spliced by two panels semiclapboard；
The refrigeration unit, safe pressure relief device, air control unit, filling valve, balanced valve, service valve, heating component top, capacitor
It is in frame body at the top of formula liquidometer；It is equipped with plate on the outside of the lower frame frame body and upper frame body and forms shell；It is described
Plate at the top of upper frame body is openable.Due to above structure, pipeline and valve are arranged in upper frame body, easy access,
And it is compact-sized, also act as the effect of protection；Storage tank outer layer is wrapped with insulating layer；Lower frame frame body also protects insulating layer not simultaneously
It is destroyed.
Further, the side plate of the upper frame body is equipped at least two opening；At least one opening
On be fixed with cooling fan component.Due to above structure, one air outlet of at least one air inlet guarantees equipment cooling；Heat dissipation
Fan assembly makes wind circulation.
It further, further include branch, nozzle；The air control unit includes main valve, main solenoid valve, selector valve, secondary
Solenoid valve；Main valve control the logical of main line closes；The logical of selector valve controlling brancher closes；The branch by main line with
Tank inside connection；The tributary port is equipped with nozzle；The main solenoid valve control primer liner and the logical of main valve close；Described time
Solenoid valve control primer liner and the logical of selector valve close；The main solenoid valve and time solenoid valve are electrically connected with the controller；The inspection
Valve is repaired to be set on the main line between main valve and storage tank.Due to above structure, service valve is normally open, when sensing fire
When, controller controls main solenoid valve, secondary solenoid valve is opened, and the activated pipeline of carbon dioxide in storage tank leads to main valve and selection
Valve, main valve and selector valve are opened under gas push, open main line and branch respectively, and a large amount of carbon dioxide is from master in storage tank
Pipeline projects from nozzle through branch, achievees the effect that fire extinguishing.
Further, the main solenoid valve opening time is later than time solenoid valve, and the main solenoid valve shut-in time is earlier than secondary electricity
Magnet valve.Due to above structure, for a long time by the pressure of the carbon dioxide in storage tank when main valve closed state, the abrasion of opening and closing is big
In selector valve；In order to reduce selector valve abrasion, in carbon dioxide jet, selector valve is first opened, is then turned on main valve, selector valve is just
The pressure of the carbon dioxide in storage tank is not will receive.After carbon dioxide terminates injection, main valve is first closed, is closing selector valve,
Would not there be pressed gas between main valve and selector valve in this way.In order to control opening and closing sequence, beaten by controlling main solenoid valve
ETAD expected time of arrival and departure is later than time solenoid valve, and the main solenoid valve shut-in time is earlier than secondary solenoid valve.The present apparatus further includes removable injection equipment；
The removable injection equipment includes spray gun, high-pressure hose, injection line；The injection line be connected to main valve and service valve it
Between main line on；The injection line is equipped with opening and closing valve；The spray gun is connected to by high-pressure hose with injection line.Spray gun
It can be used for local fire extinguishment.
The beneficial effects of the present invention are:
1. pressure information is passed to controller for measuring pressure of storage tank by the pressure sensor；When pressure is lower than lower limit
When value, the controller control heating component heating, adherence pressure；When pressure is higher than upper limit value, the controller control system
Cold group refrigeration, reduces pressure.
2. stud and saddle, sleeper, pedestal are carried out insulated heat processing by the heat insulation loop；The storage tank outer layer is wrapped with
Insulating layer.The heat-insulating property of storage tank is improved, reduction is extraneous thermally conductive from saddle, carries out heat exchange with storage tank.Well thermal insulation
Can, it reduces heating component and refrigeration unit working time, frequent starting caused by avoiding because of temperature fluctuation is more energy efficient.
3. safe pressure relief device has three layers of security protection, it is ensured that the safety of the present apparatus.
Detailed description of the invention
Fig. 1 is partial structural diagram at the top of the present invention；
Fig. 2 is evaporation structure schematic diagram of the present invention；
Fig. 3 is that evaporator of the present invention splits structural schematic diagram；
Fig. 4 is heating structure schematic diagram of the present invention；
Fig. 5 is saddle mounting structure schematic diagram of the present invention；
Fig. 6 is top structure schematic diagram of the present invention；
Fig. 7 is that solid of the present invention removes top plate material structural schematic diagram；
Fig. 8 is the three-dimensional structural schematic diagram of material containing top plate of the invention；
Fig. 9 is pneumatic control schematic diagram of the present invention；
In attached drawing: 1- storage tank, 10- flange port, 11- saddle, 12- sleeper, 13- pedestal, 14- stud, 15- nut, 16- spring pad
Circle, 17- plain washer, 18- heat insulation loop, 2- refrigeration unit, 20- evaporator, 21- blind flange, 22- inlet pipe, 23- outlet pipe, 24- disk
Pipe, 25- support frame, 26- heat exchanger fin, 27- gasket, 28- transition arc, 3- heating component, 31- casing, 32- heater, 4-
Safe pressure relief device, 41- safety valve, 42- safety relief diaphragm, 43- electrically-controlled valve, 44- pressure release outlet pipe, 45- pressure release inlet pipe, 5- control
Device processed, 6- capacitance level gauge, 60- service valve, 61- balance pipe, 62- main line, 63- balance are in charge of, 64- fill be in charge of, 65-
It opens and lets out pipe, 66- pressure pipe, 67- primer liner, 68- filling valve, 69- balanced valve, 7- frame body, 71- lower frame frame body, 72- upper ledge
Partition, 74- plate, 75- cooling fan component, 76- vertical frame, 77- crossbearer, 78- connecting column, 8- pneumatic control dress in frame body, 73-
It sets, 81- branch, 82- nozzle, 83- main valve, 84- main solenoid valve, 85- selector valve, 86- solenoid valve, 9- move spraying machine
Structure, 91- spray gun, 92- high-pressure hose, 93- injection line, 94- open and close valve.
Specific embodiment
With reference to the accompanying drawing with specific embodiment, the present invention is described in more detail, but the present invention is not limited to
Following embodiment.
Embodiment one:
See attached drawing 1 ~ 9.Critical state carbon-dioxide fire engine equipment, it is characterised in that: including storage tank 1, refrigeration unit 2, evaporator 20,
Heating component 3, pressure sensor and controller 5；The evaporator 20 include blind flange 21, inlet pipe 22, outlet pipe 23, coil pipe 24,
Support frame 25, heat exchanger fin 26 and gasket 27；Flange port 10 is equipped at the top of the storage tank 1；The blind flange 21 is by gasket 27
It is pressed on flange port 10, and is fastened by bolts and to form sealing；The coil pipe 24 is by passing through the inlet pipe 22 of blind flange 21, going out
Pipe 23 and refrigeration unit 2 form closed loop；The coil pipe 24 is spiral surrounding structure, and inside is changed around being fixed with several
Backing 26；24 side of coil pipe and bottom are supported by being fixed on the support frame 25 of 21 lower section of blind flange；The heating component 3
Including casing 31 and heater 32；1 top of storage tank, the closing of 31 bottom of casing are fixed at the top of described sleeve pipe 31, heater 32 is worn
In casing 31；Described sleeve pipe 31 and coil pipe 24 are set in storage tank 1, and are contacted with gas-phase space and liquid Space；Institute
Pressure sensor is stated for measuring 1 pressure of storage tank, and pressure information is passed into controller 5；The controller 5 is for controlling system
Cold group 2 and heater 32 work.
Due to above structure, pressure information is passed to control for measuring 1 pressure of storage tank by the pressure sensor
Device；When pressure is lower than lower limit value, the controller control heating component 3 is heated, and heating component 3 heats gas-liquid two-phase two simultaneously
Carbonoxide, adherence pressure；If heating component 3 individually heats the gaseous carbon dioxide in storage tank 1, pressure rise is fast, but liquid
State carbon dioxide temperature does not come up also, and finally, pressure can also lower, and heating component 3 wants frequent starting；If heating component 3 is single
The solely liquid carbon dioxide in heating storage tank 1, then pressure rise is slow, and each working time of heating component 3 is long, high failure rate；When
When pressure is higher than upper limit value, controller control refrigeration unit refrigeration, evaporator 20 freezes gas-liquid two-phase carbon dioxide simultaneously,
Reduce pressure.Refrigeration unit, inlet pipe 22, coil pipe 24, outlet pipe 23 are in turn connected to form closed loop, and refrigerant liquid is from inlet pipe 22
Coil pipe 24 is entered, then is flowed out from outlet pipe 23；The coil pipe 24 is set in storage tank 1, is contacted with gas-phase space and liquid Space, is freezed
Agent liquid exchanges heat with gaseous carbon dioxide, the liquid carbon dioxide in storage tank 1 simultaneously, reduces gas-liquid two-phase carbon dioxide temperature
Degree, so that pressure reduction, achievees the purpose that safe storage, good refrigeration effect.Gasket 27 is pressed on method by the blind flange 21
On blue mouth 10, and it is fastened by bolts and forms sealing；The leakproofness for guaranteeing storage tank 1, prevents carbon dioxide from revealing, and breaks down
When, dismountable flange lid 21 is evaporated the maintenance of device 20, and it is more convenient to make to install and repair；It is fixed with if being surround on the inside of coil pipe 24
Dry heat exchanger fin 26, can reach better heat exchange, will not additionally increase the volume of evaporator 20, compact-sized；The disk
24 side of pipe and bottom are supported by being fixed on the support frame 25 of 21 lower section of blind flange, and 24 side of coil pipe can be inside can also be with
It is outside；Several described 26 uniform intervals of heat exchanger fin make heat exchange more evenly.Several described heat exchanger fins 26 are in 24 inside of coil pipe
It is vertical fixed.Each heat exchanger fin 26 is fixed vertically, can contact each circle of coil pipe 24 pipe, both increase heat exchange efficiency and also increased coil pipe
The stability of 24 structures.Support frame as described above 25 includes vertical frame 76, crossbearer 77 and connecting column 78；The vertical frame 76 is fixed on coil pipe 24
Outside；24 bottom of coil pipe is fixed with crossbearer 77；The crossbearer 77 is fixed on 78 bottom of connecting column；76 top of the vertical frame and
21 lower surface of blind flange is each attached at the top of connecting column 78.The support frame 25 that vertical frame 76, crossbearer 77 and connecting column 78 are constituted is by disk
Pipe 24 supports, and keeps structure more stable.Vertical frame 76 is at least 2, and uniform intervals；The pipe of coil pipe 24 makes to exchange heat away from consistent
More evenly.The inlet pipe 22, outlet pipe 23 and blind flange 21 weld, and weld is equipped with transition arc 28.Transition arc 28 reduce by
In the stress generated in temperature change, prevent from cracking.The inlet pipe 22, outlet pipe 23 and coil pipe 24 have two groups, and keep interval.
Heat exchange contact surface is improved, heat exchange efficiency is increased.The gasket 27 is metal wound gasket.Metal wound gasket energy high temperature resistant, high pressure
With the use condition under adaptation ultralow temperature or vacuum.Stress compensation ability is strong.It is close on temperature, the frequent station of pressure oscillation
Sealing property is stable, reliable.It is not high to the surface finish requirements of the flange sealing surface contacted with metal wound gasket.Also it can be used
He can reach the gasket of the effect.The metal wound gasket surface is evenly coated with liquid raw material band.Due to above structure, enhancing
The leakproofness of metal wound gasket.It when heater 32 breaks down, can be replaced with direct-on-line, extract out, be not required to out of casing 31
It shuts down or worries that carbon dioxide is discharged.Heating component 3 further includes set on the heating insulating boot at 32 top of heater and for close
The asbestos pad of envelope.It prevents heater 32 from leaking electricity, improves security performance.
The application store, convey from CO2 extinguishment system, spurting, with temperature at critical point (31.2 DEG C) pressure
(7.38MPa) storage, is the optimal state of system performance (i.e. maximum storage and highest discharge pressure) and typical physics
The critical state carbon dioxide of meaning.It is appropriate to reduce storage temperature pressure in the case where meeting application demand in engineer application
Power advantageously reduces cost, reduces investment outlay.15 DEG C, 5.17MPa storage state meet the large space that is encountered at present over long distances
Application requirement.Meanwhile comprehensive benefit maximization is also able to achieve using upper in system later maintenance cost and design standard.Storage
Temperature (15 DEG C) pressure (5.17MPa) state carbon dioxide fire extinguishing system is to meet engineer application performance requirement and take into account to be
A kind of engineer application state closest to physics critical state for cost of investment economy of uniting, we are properly termed as engineering critical state two
Carbonoxide, abbreviation critical state carbon dioxide, the i.e. critical state of the invention meaning.
Embodiment two:
See attached drawing 1 ~ 9.It on the basis of example 1, further include saddle 11, sleeper 12, pedestal 13, stud 14, nut 15, bullet
Spring washer 16, plain washer 17 and heat insulation loop 18；1 bottom of storage tank is equipped with saddle 11；It is pressed from both sides between the saddle 11 and pedestal 13
There is sleeper 12；The stud 14 passes through saddle 11, sleeper 12 and pedestal 13, and 14 both ends of stud are successively fastened from outside to centre
There are nut 15, spring washer 16, plain washer 17 and heat insulation loop 18；The heat insulation loop 18 is by stud 14 and saddle 11, sleeper 12, bottom
Seat 13 carries out insulated heat processing；1 outer layer of storage tank is wrapped with insulating layer.Due to above structure, the thermal insulation of storage tank 1 is improved
Can, reduction is extraneous thermally conductive from saddle 11, carries out heat exchange with storage tank 1.Well heat-insulating property reduces heating component 3 and refrigeration
Unit working time, frequent starting caused by avoiding because of temperature fluctuation are more energy efficient.
It further include safe pressure relief device；The safe pressure relief device includes safety valve, safety relief diaphragm, electrically-controlled valve, lets out
Blow-off pipe and pressure release inlet pipe；The pressure release inlet pipe is connected to tank inside；The safety valve, safety relief diaphragm, electrically-controlled valve are equal
It is connected in parallel between pressure release outlet pipe and pressure release inlet pipe；The electrically-controlled valve is electrically connected with the controller.Due to above structure, the pressure release into
Pipe is connected to tank inside, and when tank internal pressure is excessively high, safe pressure relief device will discharge the carbon dioxide of tank inside, is protected
Card safety, carbon dioxide lead to pressure release outlet pipe through safety valve or safety relief diaphragm or electrically-controlled valve from pressure release inlet pipe, re-direct outer
Boundary.Preferred amount may be selected to be two safety valves, two safety relief diaphragms have one to be spare, avoid one of mistake
Effect.
Embodiment three:
See attached drawing 1 ~ 4.On the basis of example 2, the cracking pressure of the electrically-controlled valve is greater than the upper of storage tank service pressure
Limit value and the lower limit value for being less than opening pressure of safety valve；The cracking pressure of the safety relief diaphragm is greater than opening pressure of safety valve
Upper limit value.Due to above structure, safe pressure relief device has three layers of security protection, first layer: when determination of pressure sensor storage tank
When pressure is greater than the upper limit value of storage tank service pressure, pressure information is passed to controller, controller control by pressure sensor
Electrically-controlled valve processed is opened, and carbon dioxide leads to pressure release outlet pipe through electrically-controlled valve from pressure release inlet pipe, re-directs the external world；Pressure returns normal
Afterwards, electrically-controlled valve is closed；The second layer: when automatically controlled defective valve, when pressure of storage tank is excessively high, safety valve is opened, and carbon dioxide is from pressure release
Inlet pipe leads to pressure release outlet pipe through safety valve, re-directs the external world；After pressure returns normally, safety valve is closed；Third layer: when automatically controlled
When valve, safety valve fail, when pressure of storage tank is excessively high, safety relief diaphragm is disposably opened, and carbon dioxide is passed through from pressure release inlet pipe
Safety relief diaphragm leads to pressure release outlet pipe, re-directs the external world；Three layers of security protection of safe pressure relief device, it is ensured that the peace of the present apparatus
Entirely.It further include capacitance level gauge 6；The capacitance level gauge 6 is for monitoring liquid carbon dioxide surplus in storage tank 1；It is described
Balance pipe 61 and main line 62 are equipped at the top of storage tank 1；The balance pipe 61 protrudes into 1 inside certain distance of storage tank, for ensuring to store up
There is gas-phase space always in tank 1；The balance pipe 61 is gone forward side by side for monitoring whether liquid carbon dioxide is full of and smoothly fills
The setting of working to the last minute of row capacitance level gauge 6；It is set on the balance pipe 61 and is in charge of 63 there are two reversed balance；The main line 62
Protrude into the bottom in storage tank 1；Reversed filling is in charge of 64 there are two setting on the main line 62.The main line 62 protrudes into storage tank
Bottom in 1；Carbon dioxide fills completely to come up from the bottom of storage tank 1, covers 61 bottom of balance pipe, will export out from balance pipe 61
Existing white liquid, is filled completely, and carry out the setting of working to the last minute of capacitance level gauge 6 with determining；At this point, the balance pipe 61 protrudes into storage
1 inside certain distance of tank has gas-phase space in storage tank 1 always, for subsequent heat or refrigeration while acting on gas-liquid two-phase
Carbon dioxide.It is set on the balance pipe 61 and is in charge of 63 there are two reversed balance；The main line 62 protrudes into the bottom in storage tank 1
Portion；Reversed filling is in charge of 64 there are two setting on the main line 62.It can determine balanced valve 69 according to the actual situation and fill
The orientation that valve 68 is arranged, all consider when not needing to go into operation every time balance be in charge of 63, fill be in charge of 64 practical direction.
It is equipped at the top of the storage tank 1 and lets out pipe 65, pressure pipe 66 with opening of being connected to inside storage tank 1；It is described open to let out set on pipe 65
There are pressure release inlet pipe 45 and primer liner 67；The primer liner 67 is equipped with air control unit 8；The pressure pipe 66 is equipped with
Pressure sensor；Filling at least one is in charge of 64 equipped with filling valve 68；The balance of at least one is in charge of 63 and is equipped with balance
Valve 69；The main line 62 is equipped with service valve 60.Due to above structure, when 1 internal pressure of storage tank is excessively high, carbon dioxide will
It is discharged into the external world from pressure release inlet pipe 45 through safe pressure relief device 4, guarantees equipment safety；Air control unit 8 is used for by storage tank 1
Internal carbon dioxide pneumatically pushes valve to open, the injection of carbon dioxide；The pressure pipe 66 is equipped with pressure sensing
Device；Pressure pipe 66 is equipped with maintenance valve.
It further include frame body 7；The frame body includes lower frame frame body 71 and upper frame body 72；The storage tank 1 is set to lower frame
In frame body 71；Middle partition 73 is equipped between the lower frame frame body 71 and upper frame body 72；The middle partition 73 is by two panels semiclapboard
It is combined and spliced；The refrigeration unit 2, safe pressure relief device 4, air control unit 8, filling valve 68, balanced valve 69, service valve
60, it is in frame body 72 at the top of heating component 3, at the top of capacitance level gauge 6；The lower frame frame body 71 and upper frame body
72 outsides are equipped with plate 74 and form shell；The plate 74 at 72 top of upper frame body is openable.Due to above structure, by pipeline
It is arranged in upper frame body 72 with valve, easy access, and compact-sized, also acts as the effect of protection；1 outer layer of storage tank is wrapped with
Insulating layer；Lower frame frame body 71 also protects insulating layer not to be destroyed simultaneously.
The side plate 74 of the upper frame body 72 is equipped at least two opening；It is fixed in at least one opening
There is cooling fan component 75.Due to above structure, one air outlet of at least one air inlet guarantees equipment cooling；Cooling fan
Component 75 makes wind circulation.
It further include branch 81, nozzle 82；The air control unit 8 include main valve 83, main solenoid valve 84, selector valve 85,
Secondary solenoid valve 86；The main valve 83 controls the logical of main line 62 and closes；85 the logical of controlling brancher 81 of selector valve closes；The branch
81 inside main line 62 and storage tank 1 by being connected to；81 port of branch is equipped with nozzle 82；The control of main solenoid valve 84 starting
Pipeline 67 is closed with the logical of main valve 83；The secondary solenoid valve 86 controls primer liner 67 and closes with the logical of selector valve 85；The main electromagnetism
Valve 84 and time solenoid valve 86 are electrically connected with controller 5；The service valve 60 is set to the main line 62 between main valve 83 and storage tank 1
On.Due to above structure, service valve 60 is normally open, and when sensing fire, controller controls main solenoid valve 84, secondary electromagnetism
Valve 86 is opened, and the activated pipeline 67 of carbon dioxide in storage tank 1 leads to main valve 83 and selector valve 85, and main valve 83 and selector valve 85 exist
It is opened under gas push, opens main line 62 and branch 81 respectively, a large amount of carbon dioxide is from main line 62 through branch in storage tank 1
81, it is projected from nozzle 82, achievees the effect that fire extinguishing.
The main solenoid valve opening time is later than time solenoid valve, and the main solenoid valve shut-in time is earlier than secondary solenoid valve.Due to
Above structure, for a long time by the pressure of the carbon dioxide in storage tank when main valve closed state, the abrasion of opening and closing is greater than selector valve；
In order to reduce selector valve abrasion, in carbon dioxide jet, selector valve is first opened, is then turned on main valve, selector valve would not be by
The pressure of carbon dioxide in storage tank.After carbon dioxide terminates injection, main valve is first closed, is closing selector valve, such main valve
Would not there be pressed gas between selector valve.It is slow by control main solenoid valve opening time in order to control opening and closing sequence
In secondary solenoid valve, and the main solenoid valve shut-in time is earlier than secondary solenoid valve.The present apparatus further includes removable injection equipment 9；It is described can
Movable spray mechanism 9 includes spray gun 91, high-pressure hose 92, injection line 93；The injection line 93 is connected to main valve 83 and inspection
It repairs on the main line 62 between valve 60；The injection line 93 is equipped with opening and closing valve 94；The spray gun 91 passes through high-pressure hose 92
It is connected to injection line 93.Spray gun 91 can be used for local fire extinguishment.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. critical state carbon-dioxide fire engine equipment, it is characterised in that: including storage tank (1), refrigeration unit (2), evaporator (20), add
Hot component (3), pressure sensor and controller (5)；The evaporator (20) includes blind flange (21), inlet pipe (22), outlet pipe
(23), coil pipe (24), support frame (25), heat exchanger fin (26) and gasket (27)；Flange port is equipped at the top of the storage tank (1)
(10)；Gasket (27) is pressed on flange port (10) by the blind flange (21), and is fastened by bolts and to be formed sealing；It is described
Coil pipe (24) is by forming closed loop across the inlet pipe (22) of blind flange (21), outlet pipe (23) and refrigeration unit (2)；The disk
Managing (24) is spiral surrounding structure, and inside surround and is fixed with several heat exchanger fins (26)；Coil pipe (24) side and bottom
Pass through support frame (25) support being fixed below blind flange (21)；The heating component (3) includes casing (31) and heater
(32)；It is fixed at the top of described sleeve pipe (31) at the top of storage tank (1), casing (31) bottom closing, heater (32) is arranged in casing
(31) in；Described sleeve pipe (31) and coil pipe (24) are set in storage tank (1), and are contacted with gas-phase space and liquid Space；Institute
Pressure sensor is stated for measuring storage tank (1) pressure, and pressure information is passed into controller (5)；The controller (5) is used for
Control refrigeration unit (2) and heater (32) work.
2. critical state carbon-dioxide fire engine equipment according to claim 1, it is characterised in that: further include saddle (11), pillow
Wooden (12), pedestal (13), stud (14), nut (15), spring washer (16), plain washer (17) and heat insulation loop (18)；The storage
Tank (1) bottom is equipped with saddle (11)；Sleeper (12) are accompanied between the saddle (11) and pedestal (13)；The stud (14) passes through
Saddle (11), sleeper (12) and pedestal (13), and stud (14) both ends are successively fastened with nut (15), spring from outside to centre
Washer (16), plain washer (17) and heat insulation loop (18)；The heat insulation loop (18) by stud (14) and saddle (11), sleeper (12),
Pedestal (13) carries out insulated heat processing；Storage tank (1) outer layer is wrapped with insulating layer.
3. critical state carbon-dioxide fire engine equipment according to claim 1 or 2, it is characterised in that: further include safety relief
Device (4)；The safe pressure relief device (4) includes that safety valve (41), safety relief diaphragm (42), electrically-controlled valve (43), pressure release go out
Manage (44) and pressure release inlet pipe (45)；It is connected to inside the pressure release inlet pipe (45) and storage tank (1)；The safety valve (41), safety are let out
Pressuring film plate (42), electrically-controlled valve (43) are connected in parallel between pressure release outlet pipe (44) and pressure release inlet pipe (45)；The electrically-controlled valve (43) with
Controller (5) electrical connection.
4. critical state carbon-dioxide fire engine equipment according to claim 3, it is characterised in that: electrically-controlled valve (43) are opened
It opens upper limit value of the pressure greater than storage tank (1) service pressure and is less than the lower limit value of safety valve (41) cracking pressure；The peace
The cracking pressure of full pressure release diaphragm (42) is greater than the upper limit value of safety valve (41) cracking pressure.
5. critical state carbon-dioxide fire engine equipment according to claim 3, it is characterised in that: further include capacitance level gauge
(6)；The capacitance level gauge (6) is for monitoring the interior liquid carbon dioxide surplus of storage tank (1)；It is equipped at the top of the storage tank (1)
Balance pipe (61) and main line (62)；The balance pipe (61) protrudes into the internal certain distance of storage tank (1), for ensuring storage tank (1)
Inside there is gas-phase space always；The balance pipe (61) is gone forward side by side for monitoring whether liquid carbon dioxide is full of and smoothly fills
The setting of working to the last minute of row capacitance level gauge (6)；It is set on the balance pipe (61) and is in charge of (63) there are two reversed balance；The master
Pipeline (62) protrudes into the bottom in storage tank (1)；(64) are in charge of in reversed filling there are two setting on the main line (62).
6. critical state carbon-dioxide fire engine equipment according to claim 5, it is characterised in that: set at the top of the storage tank (1)
Have and opens with what is be connected to inside storage tank (1) and let out pipe (65), pressure pipe (66)；It is described open let out pipe (65) equipped with pressure release inlet pipe (45) and
Primer liner (67)；The primer liner (67) is equipped with air control unit (8)；The pressure pipe (66) passes equipped with pressure
Sensor；Filling at least one is in charge of (64) equipped with filling valve (68)；The balance of at least one is in charge of (63) and is equipped with balance
Valve (69)；The main line (62) is equipped with service valve (60).
7. critical state carbon-dioxide fire engine equipment according to claim 6, it is characterised in that: further include frame body (7)；Institute
Stating frame body includes lower frame frame body (71) and upper frame body (72)；The storage tank (1) is set in lower frame frame body (71)；The lower frame
Middle partition (73) are equipped between frame body (71) and upper frame body (72)；The middle partition (73) is combined and spliced by two panels semiclapboard；
The refrigeration unit (2), safe pressure relief device (4), air control unit (8), filling valve (68), balanced valve (69), service valve
(60), it is at the top of heating component (3), at the top of capacitance level gauge (6) in frame body (72)；The lower frame frame body (71)
Shell is formed with plate (74) are equipped on the outside of upper frame body (72)；Plate (74) at the top of the upper frame body (72) is openable.
8. critical state carbon-dioxide fire engine equipment according to claim 7, it is characterised in that: the upper frame body (72)
Side plate (74) is equipped at least two opening；Cooling fan component (75) are fixed in at least one opening.
9. critical state carbon-dioxide fire engine equipment according to claim 6, it is characterised in that: further include branch (81), spray
Mouth (82)；The air control unit (8) includes main valve (83), main solenoid valve (84), selector valve (85), secondary solenoid valve (86)；
Logical the closing of main valve (83) control main line (62)；Logical the closing of selector valve (85) controlling brancher (81)；The branch
(81) by being connected to inside main line (62) and storage tank (1)；Branch (81) port is equipped with nozzle (82)；The main solenoid valve
(84) logical the closing of primer liner (67) and main valve (83) is controlled；Secondary solenoid valve (86) control primer liner (67) and selector valve
(85) logical closes；The main solenoid valve (84) and time solenoid valve (86) are electrically connected with controller (5)；The service valve (60) is set to
On main line (62) between main valve (83) and storage tank (1).
10. critical state carbon-dioxide fire engine equipment according to claim 9, it is characterised in that: the main solenoid valve (84)
Opening time is later than time solenoid valve (86), and main solenoid valve (84) shut-in time is earlier than secondary solenoid valve (86).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910128214.XA CN109675240A (en) | 2019-02-21 | 2019-02-21 | Critical state carbon-dioxide fire engine equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910128214.XA CN109675240A (en) | 2019-02-21 | 2019-02-21 | Critical state carbon-dioxide fire engine equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109675240A true CN109675240A (en) | 2019-04-26 |
Family
ID=66196729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910128214.XA Pending CN109675240A (en) | 2019-02-21 | 2019-02-21 | Critical state carbon-dioxide fire engine equipment |
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| Country | Link |
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| CN (1) | CN109675240A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2593827Y (en) * | 2002-10-14 | 2003-12-24 | 汪映标 | Carbon dioxide kow-pressure fire extinguisher |
| CN101411928A (en) * | 2008-11-28 | 2009-04-22 | 四川威龙消防设备有限公司 | Constant-pressure storage type high-pressure carbon dioxide extinguishing device with built-in evaporator |
| CN102563286A (en) * | 2011-12-14 | 2012-07-11 | 张家港圣汇气体化工装备有限公司 | Supporting structure for son tank in copious cooling liquid mother-son tank |
| CN204364747U (en) * | 2014-12-09 | 2015-06-03 | 威特龙消防安全集团股份公司 | The automatically controlled safe pressure relief device of low pressure carbon dioxide fire extinguishing systems basin |
| CN205252375U (en) * | 2015-12-15 | 2016-05-25 | 威特龙消防安全集团股份公司 | A built -in evaporimeter for low pressure carbon dioxide extinguisher |
| CN209645733U (en) * | 2019-02-21 | 2019-11-19 | 威特龙消防安全集团股份公司 | Critical state carbon-dioxide fire engine equipment |
-
2019
- 2019-02-21 CN CN201910128214.XA patent/CN109675240A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2593827Y (en) * | 2002-10-14 | 2003-12-24 | 汪映标 | Carbon dioxide kow-pressure fire extinguisher |
| CN101411928A (en) * | 2008-11-28 | 2009-04-22 | 四川威龙消防设备有限公司 | Constant-pressure storage type high-pressure carbon dioxide extinguishing device with built-in evaporator |
| CN102563286A (en) * | 2011-12-14 | 2012-07-11 | 张家港圣汇气体化工装备有限公司 | Supporting structure for son tank in copious cooling liquid mother-son tank |
| CN204364747U (en) * | 2014-12-09 | 2015-06-03 | 威特龙消防安全集团股份公司 | The automatically controlled safe pressure relief device of low pressure carbon dioxide fire extinguishing systems basin |
| CN205252375U (en) * | 2015-12-15 | 2016-05-25 | 威特龙消防安全集团股份公司 | A built -in evaporimeter for low pressure carbon dioxide extinguisher |
| CN209645733U (en) * | 2019-02-21 | 2019-11-19 | 威特龙消防安全集团股份公司 | Critical state carbon-dioxide fire engine equipment |
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