CN107830403A - A kind of liquefied natural gas liquid-supplying system - Google Patents
A kind of liquefied natural gas liquid-supplying system Download PDFInfo
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- CN107830403A CN107830403A CN201711009622.0A CN201711009622A CN107830403A CN 107830403 A CN107830403 A CN 107830403A CN 201711009622 A CN201711009622 A CN 201711009622A CN 107830403 A CN107830403 A CN 107830403A
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- Prior art keywords
- pipe
- liquid
- natural gas
- gas
- liquefied natural
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/026—Special adaptations of indicating, measuring, or monitoring equipment having the temperature as the parameter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0302—Heat exchange with the fluid by heating
- F17C2227/0304—Heat exchange with the fluid by heating using an electric heater
Abstract
The invention discloses a kind of liquefied natural gas liquid-supplying system, to improve the distribution of liquefied natural gas and utilization rate, provides the energy to be not provided with the user of natural gas tube web area, to reduce energy waste, and is advantageous to environmental protection.Liquefied natural gas liquid-supplying system includes at least one liquid supply equipment, liquefied natural gas gasifying system, natural gas steam processing system, surge tank and gas equipment, wherein：Liquefied natural gas gasifying system includes at least a set of gasification heating unit, and gasification heating unit includes gasifier and primary heater；Natural gas steam processing system includes gas-liquid separator, at least one compression system and secondary heater；Surge tank includes surge tank air inlet pipe and surge tank escape pipe, and gas equipment includes generating set, gas fired-boiler and user's device of air, is connected respectively with surge tank escape pipe.
Description
Technical field
The present invention relates to powering device technical field, more particularly to a kind of liquefied natural gas liquid-supplying system.
Background technology
With the development of science and technology and the improvement of people's living standards, problem of environmental pollution also getting worse.Liquefy day
Right gas (Liquefied Natural Gas, abbreviation：LNG) main component is methane, is had colourless, tasteless, nontoxic and corrosion-free
The characteristic of property, is acknowledged as the energy most clean on the earth.In addition, the thermal discharge of liquefied natural gas is larger, therefore, liquefaction is natural
Gas enjoys liking for people as a kind of environmentally friendly and advanced energy of comparison.
At present, Distribution of Natural formula energy technology has made substantial progress in the world, but substantially natural with pipe gas transmission body
Gas inputs for the energy, and liquefied natural gas LNG energy supplying systems are less.But the user in the region for being not provided with gas distributing system
For, inputted with regard to LNG need to be considered as primary energy.
But in some areas and gas distributing system is not provided with, energy utilization rate is relatively low, causes more waste.Such as
The transmission of electric energy needs to set more remote high pressure or super-pressure conveying equipment, and can also be made during conveying high-pressure electricity
Into waste.To meet the use gas demand in these areas, a set of LNG energy supplying systems are developed, is arranged near user, provides the user
All kinds of energy demands, it is urgent problem to be solved.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of liquefied natural gas liquid-supplying system, to improve the distribution of liquefied natural gas
And utilization rate, the energy is provided to be not provided with the user of natural gas tube web area, to reduce energy waste, and is advantageous to protection ring
Border.
The embodiments of the invention provide a kind of liquefied natural gas liquid-supplying system, including：
At least one liquid supply equipment, including liquid-phase tube, gas phase pipe；
Liquefied natural gas gasifying system, including at least a set of gasification heating unit, the gasification heating unit include gasification
Device and primary heater, wherein：The gasifier includes gasifier liquid-in pipe and gasifier escape pipe, the gasifier liquid-in pipe
It is connected with the liquid-phase tube；The primary heater includes primary heater air inlet pipe and primary heater escape pipe, and described
One heater air inlet pipe is connected with the gasifier escape pipe；
Natural gas steam processing system, including：Gas-liquid separator, including gas-liquid separator air inlet pipe and gas-liquid separator go out
Tracheae, the gas-liquid separator air inlet pipe are connected with the gas phase pipe；At least one compression system, including the gentle oil of compressor
From device, the compressor includes compressor inleting pipe and compressor escape pipe, the compressor inleting pipe and the gas-liquid separation
Device escape pipe connects；The oil separator includes separator inlet duct, separator escape pipe and separator muffler, described point
It is connected from device air inlet pipe with the compressor escape pipe, the separator muffler is connected with the compressor inleting pipe；Second
Heater, including secondary heater air inlet pipe and secondary heater escape pipe, the secondary heater air inlet pipe separate with described
Device escape pipe connects；
Surge tank, including surge tank air inlet pipe and surge tank escape pipe, the surge tank air inlet pipe and the described first heating
Device escape pipe connects with the secondary heater escape pipe；
Gas equipment, including generating set, gas fired-boiler and user's device of air, connect respectively with the surge tank escape pipe
Connect.
Preferably, the liquefied natural gas liquid-supplying system also includes heat exchanger, the heat exchanger include heat exchanger water inlet pipe,
Heat exchanger outlet pipe, heat exchanger air inlet pipe and heat exchanger escape pipe, the heat exchanger air inlet pipe are used with the heat exchanger escape pipe
In conveying gasifier and the heating medium of primary heater；
The generating set includes jacket water outlet pipe and jacket water return pipe；The jacket water outlet pipe and the heat exchange
Device water inlet pipe is connected, and the jacket water return pipe is connected with the heat exchanger outlet pipe.
Preferably, described liquefied natural gas liquid-supplying system also includes electric heater, and the electric heater includes electrical heating
Device air inlet pipe and electric heater escape pipe, the electric heater air inlet pipe are used to convey gasifier with the electric heater escape pipe
With the heating medium of primary heater.
Preferably, described liquefied natural gas liquid-supplying system also includes flue gas type absorption type air-conditioner unit, is sent out for reclaiming
The waste heat of flue gas caused by group of motors and gas fired-boiler.
Preferably, surge tank described in described liquefied natural gas liquid-supplying system also includes surge tank muffler, the buffering
Tank muffler is connected with the gas phase pipe.
Optionally, the liquid supply equipment includes storage tank or film-type cargo hold.
Preferably, the liquid supply equipment is provided with level monitoring device, temperature-detecting device and alarm device.
Preferably, described liquefied natural gas liquid-supplying system also includes at least a set of to be connected with the liquid supply equipment
Liquid supply device.
Preferably, spray equipment is also set up in liquid supply equipment, the spray equipment includes shower, the shower and institute
State liquid-phase tube connection.
In the embodiment, there is provided a kind of liquefied natural gas energy supplying system, without setting gas distributing system, set by feed flow
Standby storage liquefied natural gas, the various energy, such as electric energy, heat energy or cold energy are converted into using liquefied natural gas energy supplying system.
Make the region for being not provided with gas distributing system, can also be used using natural gas as primary energy, improve the distribution of liquefied natural gas
And utilization rate, energy waste can also be reduced, and be advantageous to environmental protection.
Brief description of the drawings
Fig. 1 is the liquefied natural gas liquid-supplying system schematic diagram of one embodiment of the invention.
Reference：
100- liquid supply equipments；110- liquid-phase tubes；
120- gas phase pipes；130- pumps；
140- level monitoring devices；150- temperature-detecting devices；
160- alarm devices；170- spray equipments；
171- showers；200- gasification heating units；
210- gasifiers；211- gasifier liquid-in pipes；
212- gasifier escape pipes；220- primary heaters；
221- primary heater air inlet pipe；222- primary heater escape pipes；
300- surge tanks；310- surge tank air inlet pipe；
320- surge tank escape pipes；330- surge tank mufflers；
400- gas equipments；410- generating sets；
411- transformation and distribution systems；412- jacket water outlet pipes；
413- jacket water return pipes；420- gas fired-boilers；
430- user's device of air；500- gas-liquid separators；
510- gas-liquid separator air inlet pipe；520- gas-liquid separator escape pipes；
600- compression systems；610- compressors；
611- compressor inleting pipes；612- compressor escape pipes；
620- oil separators；621- separator inlet ducts；
622- separator escape pipes；623- separator mufflers；
700- secondary heaters；710- secondary heater air inlet pipe；
720- secondary heater escape pipes；800- heat exchangers；
810- heat exchanger water inlet pipes；820- heat exchanger outlet pipes；
830- heat exchanger air inlet pipe；840- heat exchanger escape pipes；
900- electric heaters；910- electric heater air inlet pipe；
920- electric heater escape pipes；1000- flue gas type absorption type air-conditioner units；
1100- electric refrigerating machines；1200- liquid supply devices；
1210- liquid supplementation pipes；1220- blowdown pipes.
Embodiment
In order to improve the distribution of liquefied natural gas and utilization rate, energy is provided to be not provided with the user of natural gas tube web area
Source, to reduce energy waste, and be advantageous to environmental protection.The embodiments of the invention provide a kind of liquefied natural gas liquid-supplying system.
To make the object, technical solutions and advantages of the present invention clearer, the present invention is described in further detail by the following examples.
To include as shown in figure 1, the embodiments of the invention provide a kind of liquefied natural gas liquid-supplying system：At least one feed flow is set
Standby 100, liquefied natural gas gasifying system, natural gas steam processing system, surge tank 300 and gas equipment 400, wherein：
Liquid supply equipment 100 includes liquid-phase tube 110, gas phase pipe 120；Liquefied natural gas gasifying system includes at least a set of gasification
Heating unit 200, the gasification heating unit 200 include gasifier 210 and primary heater 220, wherein：Gasifier 210 includes
Gasifier liquid-in pipe 211 and gasifier escape pipe 212, gasifier liquid-in pipe 211 are connected with liquid-phase tube 110；Primary heater 220
Including primary heater air inlet pipe 221 and primary heater escape pipe 222, primary heater air inlet pipe 221 and gasifier outlet
Pipe 212 connects；Natural gas steam processing system includes gas-liquid separator 500, at least one compression system 600 and secondary heater
700：Gas-liquid separator 500 includes gas-liquid separator air inlet pipe 510 and gas-liquid separator escape pipe 520, gas-liquid separator air inlet
Pipe 510 is connected with gas phase pipe 120；Compression system 600 includes compressor 610 and oil separator 620, and compressor 610 includes pressure
Contracting machine air inlet pipe 611 and compressor escape pipe 612, compressor inleting pipe 611 are connected with gas-liquid separator escape pipe 520；Gas and oil
Separator 620 includes separator inlet duct 621, separator escape pipe 622 and separator muffler 623, separator inlet duct 621
It is connected with compressor escape pipe 612, separator muffler 623 is connected with compressor inleting pipe 611；Secondary heater 700 includes
Secondary heater air inlet pipe 710 and secondary heater escape pipe 720, secondary heater air inlet pipe 710 and separator escape pipe 622
Connection；Surge tank 300 includes surge tank air inlet pipe 310 and surge tank escape pipe 320, and surge tank air inlet pipe 310 and first heats
Device escape pipe 222 and secondary heater escape pipe 720 connect；Gas equipment includes generating set 410, gas fired-boiler 420 and used
Family device of air 430, is connected with surge tank escape pipe 320 respectively.
In the embodiment, there is provided a kind of liquefied natural gas energy supplying system, without setting gas distributing system, set by feed flow
Standby 100 storage liquefied natural gas, is converted into the various energy, such as electric energy, heat energy or cold energy using liquefied natural gas energy supplying system
Deng.Make the region for being not provided with gas distributing system, can also be used using natural gas as primary energy, improve point of liquefied natural gas
Cloth and utilization rate, energy waste can also be reduced, and be advantageous to environmental protection.
Specifically, the system uses one or more liquid supply equipment 100, liquid is stored in liquid supply equipment 100
Change natural gas, each liquid supply equipment 100 configures one or more pump 130, and the pump 130 is arranged on feed pipe；This is
System also sets up two air supply systems, and respectively liquefied natural gas gasifying system and natural gas steam processing system, two systems is equal
Gaseous natural gas can be exported to surge tank 300, store in surge tank 300, used for upstream device.
More specifically, liquefied natural gas gasifying system includes the heating unit 200 that gasifies more than a set of or a set of, and the gasification adds
Hot cell 200 includes gasifier 210 and primary heater 220, and the liquefied natural gas stored in liquid supply equipment 100 is by being installed on
Pump 130 on liquid-phase tube 110 flows out from liquid-phase tube 110, enters gasification heating unit 200, enters from gasifier liquid-in pipe 211
Gasifier 210, after being gasified, discharged from gasifier escape pipe 212, afterwards, the gaseous natural gas formed after gasification is from first
Heater air inlet pipe 221 enters primary heater 220, and buffering is exited into from primary heater escape pipe 222 after heating
Tank 300 stores.
In liquid supply equipment 100, due to natural gas vaporization, natural gas steam can be produced, therefore be additionally provided with natural gas
Steam heating systems.Natural gas steam is discharged from gas phase pipe 120, enters gas-liquid separator from gas-liquid separator air inlet pipe 510
500, in gas-liquid separator 500, the impurity such as the moisture contained in natural gas steam can be removed, afterwards, from gas-liquid separator
500 gas-liquid separator escape pipe 520 discharges more pure natural gas, but gas pressure now is too low, it is necessary to enter
Enter compression system 600 to be pressurizeed, the relatively low natural gas of pressure enters through compressor air inlet pipe 611 to pressurize through compressor 610, adds
Discharged after pressure from compressor escape pipe 612.Oil that may be in hybrid compressor when being pressurizeed due to natural gas in compressor 610
Discharge, therefore, oil is removed into oil separator 620, so as to obtain the higher more pure natural gas of pressure.If natural gas
Pressure also not up to setting pressure, can be back to using separator muffler 623 compressor 610 carry out repressurization, up to
The pressure of natural gas reaches setting pressure.With setting pressure and more pure natural gas is from oil separator 620
Gas-liquid separator escape pipe 520 is discharged, and enter secondary heater 700, after heating from secondary heater escape pipe 720 flow out into
Enter to surge tank 300 and store.
Surge tank 300 is typically designed that pressure is higher, on the one hand can meet the use gas bar part of all gas equipments in downstream, separately
On the one hand more natural gases can be stored.The gaseous natural gas for being stored in surge tank 300 is supplied by surge tank escape pipe 320
User, there is provided to gas equipment 400, specifically include generating set 410, gas fired-boiler 420 and user with device of air 430.Specifically
, the gaseous natural gas that surge tank 300 comes out supplies each resident after regulator carries out pressure regulation all the way and used；All the way
Enter gas fired-boiler 420 and provide the user heat；Generated electricity all the way into generating set 410, be use through transformation and distribution system 411
Family powers.Solve the various energy demands of neighbouring resident.
The liquefied natural gas liquid-supplying system of one embodiment of the invention also includes heat exchanger, and heat exchanger 800 enters including heat exchanger
Water pipe 810, heat exchanger outlet pipe 820, heat exchanger air inlet pipe 830 and heat exchanger escape pipe 840, heat exchanger air inlet pipe 830 is with changing
Hot device escape pipe 840 is used for the heating medium for conveying gasifier 210 and primary heater 220；Generating set 410 includes jacket water
Outlet pipe 412 and jacket water return pipe 413；Jacket water outlet pipe 412 is connected with heat exchanger water inlet pipe 810, jacket water return pipe
413 are connected with heat exchanger outlet pipe 820.
In the embodiment, in heat exchanger 800, jacket water and gasifier 210 and the primary heater of generating set 410
220 heating medium is exchanged heat, and is heated up for heating medium, so as to which the heating medium after heating up enters gasifier 210 and first
Heater 220, heated up for natural gas.In the embodiment, the heat energy of jacket water is combined with heating the cold energy of medium, is fully returned
Receive and make use of cold energy and heat energy.
In more excellent embodiment, liquefied natural gas liquid-supplying system also includes electric heater 900, and electric heater 900 includes electricity
Heater air inlet pipe 910 and electric heater escape pipe 920, electric heater air inlet pipe 910 are used for defeated with electric heater escape pipe 920
Send the heating medium of gasifier 210 and primary heater 220.
In the embodiment, electric heater 900 is additionally provided with, the heating for heating gasifying device 210 and primary heater 220
Medium.When the shortage of heat of the jacket water of generating set 410 thinks heating medium heating, electrical heating 900 can be opened, to add
Thermal medium heats, to ensure liquefied natural gas gasifying system normal operation, so as to advantageously ensure that the stable of gaseous natural gas supplies
Should.
In preferred embodiment, liquefied natural gas liquid-supplying system also includes flue gas type absorption type air-conditioner unit 1000, is used for
Reclaim the waste heat of flue gas caused by generating set 410 and gas fired-boiler 420.What generating set 410 and gas fired-boiler 420 were discharged
Flue gas enters the UTILIZATION OF VESIDUAL HEAT IN that flue gas type absorption type air-conditioner unit 1000 realizes flue gas, exports heat energy or cold energy, the program are entered
The utilization rate for improving the energy of one step.System shown in Figure 1 flue gas type absorption type air-conditioner unit 1000 exports cold energy, is additionally provided with
Electric refrigerating machine 1100, when flue gas type absorption type air-conditioner 1000 poor refrigerating efficiency of unit, electric refrigerating machine 1100 can be opened, to protect
Card meets the needs of user.
In preferred embodiment, surge tank 300 also includes surge tank muffler 330, surge tank muffler 330 and gas phase pipe
120 connections.
The system includes two air supply systems, when natural gas normally supplies, by liquefied natural gas gasifying system to user
Supply natural gas；With the use of liquefied natural gas, the pressure in liquid supply equipment 100 gradually reduces, when liquid supply equipment 100
In pressure it is relatively low when, the buffered tank muffler 330 of natural gas in surge tank 300 returns to liquid supply equipment 100, to prevent
Hypotony in liquid supply equipment 100；And when the hypertonia in liquid supply equipment 100, then can be by natural gas steam at
Reason system supplies natural gas to user, while the pressure in liquid supply equipment 100 is returned normal value.
The particular type of liquid supply equipment 100 is unlimited, can be storage tank, or film-type cargo hold etc..Specifically can root
According to demand designed, designed.
In preferred embodiment, liquid supply equipment 100 is provided with level monitoring device 140, temperature-detecting device 150 and alarm
Device 160.The information such as liquid level and the temperature in liquid supply equipment 100 can be monitored, when occurring abnormal, alarm is sent, reminds work
Handled as personnel.
In more excellent embodiment, liquefied natural gas liquid-supplying system can be also connected including at least a set of with liquid supply equipment 100
Liquid supply device 1200.Specifically, liquid supply device 1200 includes liquid supplementation pipe 1210 and blowdown pipe 1220, it is easy to liquid supply equipment
100 tonifying Qi fluid infusion, realize the rapid fluid replacement of liquid supply equipment 100.
In preferred embodiment, spray equipment 170 is also set up in liquid supply equipment 100, spray equipment 170 includes shower
171, shower 171 is connected with liquid-phase tube 110.
In the embodiment, spray equipment 170 is set in liquid supply equipment 100, when the hypertonia in liquid supply equipment 100,
Spray equipment 170 can also be opened, the relatively low liquefied natural gas of spray temperature in liquid supply equipment 100, so that liquid supply equipment
Gaseous natural gas liquefaction in 100, so as to reduce the pressure in liquid supply equipment 100.
What deserves to be explained is when specifically implementing the embodiment of the present invention, can be arranged as required to not on many pipelines
The valve of same type, regulation flow and opening and closing etc., herein without repeating.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (9)
- A kind of 1. liquefied natural gas liquid-supplying system, it is characterised in that including：At least one liquid supply equipment, including liquid-phase tube, gas phase pipe；Liquefied natural gas gasifying system, including at least a set of gasification heating unit, it is described gasification heating unit include gasifier and Primary heater, wherein：The gasifier includes gasifier liquid-in pipe and gasifier escape pipe, the gasifier liquid-in pipe and institute State liquid-phase tube connection；The primary heater includes primary heater air inlet pipe and primary heater escape pipe, and described first adds Hot device air inlet pipe is connected with the gasifier escape pipe；Natural gas steam processing system, including：Gas-liquid separator, including gas-liquid separator air inlet pipe and gas-liquid separator outlet Pipe, the gas-liquid separator air inlet pipe are connected with the gas phase pipe；At least one compression system, including the gentle oil separation of compressor Device, the compressor include compressor inleting pipe and compressor escape pipe, the compressor inleting pipe and the gas-liquid separator Escape pipe connects；The oil separator includes separator inlet duct, separator escape pipe and separator muffler, the separation Device air inlet pipe is connected with the compressor escape pipe, and the separator muffler is connected with the compressor inleting pipe；Second adds Hot device, including secondary heater air inlet pipe and secondary heater escape pipe, the secondary heater air inlet pipe and the separator Escape pipe connects；Surge tank, including surge tank air inlet pipe and surge tank escape pipe, the surge tank air inlet pipe go out with the primary heater Tracheae connects with the secondary heater escape pipe；Gas equipment, including generating set, gas fired-boiler and user's device of air, are connected with the surge tank escape pipe respectively.
- 2. liquefied natural gas liquid-supplying system as claimed in claim 1, it is characterised in that also including heat exchanger, the heat exchanger Including heat exchanger water inlet pipe, heat exchanger outlet pipe, heat exchanger air inlet pipe and heat exchanger escape pipe, the heat exchanger air inlet pipe and institute State the heating medium that heat exchanger escape pipe is used to convey gasifier and primary heater；The generating set includes jacket water outlet pipe and jacket water return pipe；The jacket water outlet pipe enters with the heat exchanger Water pipe is connected, and the jacket water return pipe is connected with the heat exchanger outlet pipe.
- 3. liquefied natural gas liquid-supplying system as claimed in claim 2, it is characterised in that also add including electric heater, the electricity Hot device includes electric heater air inlet pipe and electric heater escape pipe, the electric heater air inlet pipe and the electric heater escape pipe For conveying the heating medium of gasifier and primary heater.
- 4. liquefied natural gas liquid-supplying system as claimed in claim 1, it is characterised in that also including flue gas type absorption air-conditioner Group, for reclaiming the waste heat of flue gas caused by generating set and gas fired-boiler.
- 5. liquefied natural gas liquid-supplying system as claimed in claim 1, it is characterised in that the surge tank also returns including surge tank Tracheae, the surge tank muffler are connected with the gas phase pipe.
- 6. liquefied natural gas liquid-supplying system as claimed in claim 1, it is characterised in that the liquid supply equipment include storage tank or Film-type cargo hold.
- 7. liquefied natural gas liquid-supplying system as claimed in claim 1, it is characterised in that the liquid supply equipment is provided with liquid level prison Survey device, temperature-detecting device and alarm device.
- 8. liquefied natural gas liquid-supplying system as claimed in claim 1, it is characterised in that also include at least it is a set of can with it is described The liquid supply device of liquid supply equipment connection.
- 9. liquefied natural gas liquid-supplying system as claimed in claim 1, it is characterised in that spray dress is also set up in liquid supply equipment Put, the spray equipment includes shower, and the shower is connected with the liquid-phase tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711009622.0A CN107830403A (en) | 2017-10-25 | 2017-10-25 | A kind of liquefied natural gas liquid-supplying system |
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| CN201711009622.0A CN107830403A (en) | 2017-10-25 | 2017-10-25 | A kind of liquefied natural gas liquid-supplying system |
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