CN207407579U - Gas preparation system and the system to be generated electricity using air separation and Preparation equipment - Google Patents

Gas preparation system and the system to be generated electricity using air separation and Preparation equipment Download PDF

Info

Publication number
CN207407579U
CN207407579U CN201721466894.9U CN201721466894U CN207407579U CN 207407579 U CN207407579 U CN 207407579U CN 201721466894 U CN201721466894 U CN 201721466894U CN 207407579 U CN207407579 U CN 207407579U
Authority
CN
China
Prior art keywords
gas
grades
media
condenser
cooling
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.)
Expired - Fee Related
Application number
CN201721466894.9U
Other languages
Chinese (zh)
Inventor
翁志远
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201721466894.9U priority Critical patent/CN207407579U/en
Application granted granted Critical
Publication of CN207407579U publication Critical patent/CN207407579U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model is related to gases to prepare heat energy recycle technical field more particularly to a kind of gas preparation system and the system to generate electricity using air separation and Preparation equipment.The gas preparation system prepares pipeline and heat energy utilization pipeline including gas；Gas, which prepares pipeline, includes the gas piping entrance, gas pre-cooler and the gas tube outlet that are sequentially communicated；Heat energy utilization pipeline includes N number of circulation loop；When N is 1, first circulation circuit includes gas pre-cooler, first turbine, first-stage condenser and level liquid pump；During N >=2, N circulation loops include 1 grade of condenser of N, N level steam turbines, N grades of condensers and N grades of liquid pumps.This includes gas preparation system using the system that air separation and Preparation equipment generate electricity.Gas preparation system provided by the utility model and the system to be generated electricity using air separation and Preparation equipment, for solving the technical issues of thermal energy in the prior art wastes.

Description

Gas preparation system and the system to be generated electricity using air separation and Preparation equipment
Technical field
The utility model is related to gas prepare heat energy recycle technical field more particularly to a kind of gas preparation system and The system to be generated electricity using air separation and Preparation equipment.
Background technology
Space division is exactly for each component gas in air is separated, and production oxygen, nitrogen, argon gas also have rare gas A set of industrial equipment of helium, neon, argon, krypton, xenon, radon etc..The pre-cooler of existing space division is discharged thermal energy using water-cooling pattern It into air, is not utilized well, causes the waste of substantial amounts of thermal energy.
Liquefied natural gas process flow is that natural gas is condensed, is collapsed into cryogenic liquid.Generally use water cooling side at present The thermal energy generated in the preparation of natural gas and liquefaction process is emitted into air by formula, is not utilized well, is caused big The waste of the thermal energy of amount.
Utility model content
The purpose of this utility model is to provide gas preparation system, to solve thermal energy waste in the prior art Technical problem.
The purpose of this utility model also resides in the system for providing and generating electricity using air separation and Preparation equipment, to solve The technical issues of thermal energy waste in the prior art.
Based on above-mentioned first purpose, gas preparation system provided by the utility model prepares pipeline and thermal energy including gas Utilize pipeline；
Gas piping entrance, gas pre-cooler and the gas piping that the gas prepares pipeline and includes being sequentially communicated go out Mouthful；
Gas compressing apparatus is provided between the gas piping entrance and the gas pre-cooler, alternatively, the gas Gas compressing apparatus is provided between body pre-cooler and gas piping outlet；
The heat energy utilization pipeline includes N number of circulation loop for the gas-liquid phase transition medium that circulates；Wherein, N be more than etc. In 1 integer；
When N is 1, first circulation circuit includes the gas pre-cooler, the first turbine or one that head and the tail are sequentially communicated Grade expanding machine, first-stage condenser and level liquid pump；When N is the integer more than or equal to 2, N circulation loops include head and the tail successively N-1 grades condenser, N level steam turbines or the N grades of expanding machines of connection, N grades of condensers and N grades of liquid pumps；The N-1 grades of condenser is used The N media cooling N-1 level steam turbines of N circulation loops or the N-1 media of N-1 grades of expanding machine output are flowed through in order；The N Grade condenser is used for the N media for cooling down N level steam turbines or N grades of expanding machine outputs；The first medium in the first circulation circuit For cryogenic liquid medium；The N media depress low boiling point in 0 degree Celsius of cryogenic liquid medium for normal atmosphere；
The gas pre-cooler is used to make the first medium cooling institute in the first circulation circuit of the heat energy utilization pipeline State the gas preparation media that gas prepares pipeline.
The optional technical solution of the utility model is that the gas, which prepares pipeline, includes gas heat exchange system；The gas Heat exchange device flows to the gas preparation media cooling of the gas piping outlet for making from the gas piping entrance；
The gas piping entrance, the gas compressing apparatus, the gas pre-cooler and gas heat exchange dress It puts and is sequentially communicated；Alternatively, the gas piping entrance, the gas pre-cooler, the gas compressing apparatus and the gas Heat-exchange device is sequentially communicated.
The optional technical solution of the utility model is that the gas, which prepares pipeline, includes gas-filtering device and purification for gas Device；
The gas piping entrance, the gas-filtering device, the gas compressing apparatus, the gas pre-cooler, The gas purification apparatus and the gas heat exchange system are sequentially communicated；
Alternatively, the gas piping entrance, the gas-filtering device, the gas pre-cooler, the gas compression Device, the gas purification apparatus and the gas heat exchange system are sequentially communicated；
Alternatively, the gas piping entrance, the gas-filtering device, the gas pre-cooler, the purification for gas Device, the gas compressing apparatus and the gas heat exchange system are sequentially communicated.
The optional technical solution of the utility model is the gas piping outlet gas fractionation unit；
The gas heat exchange system includes gas feedback heat-exchange device and gas power generation heat-exchange device；The gas Feedback heat-exchange device is arranged between the gas power generation heat-exchange device and the gas fractionation unit；
The gas feedback heat-exchange device be used to making the gas preparation media cooling of gas fractionation unit output from The gas pre-cooler flows to the gas preparation media of the gas piping outlet；
The gas power generation heat-exchange device is used to make the N media of the heat energy utilization pipeline to cool down the gas preparation The gas preparation media of pipeline；It is handed over gas power generation heat at the both ends of the gas pre-cooler or the N grades of condenser The both ends of changing device are respectively communicated with；Wherein, N is the integer more than or equal to 1.
The optional technical solution of the utility model is, the gas feedback heat-exchange device and the gas fractionation unit it Between be provided with gas expander.
The optional technical solution of the utility model is that the heat energy utilization pipeline includes cooling down in line pipeline；The cooling In line pipeline includes the gas fractionation unit being sequentially communicated, the N grades of condenser and the in line output terminal of cooling；The N grades of condensation Device is used to make the gas preparation media in the gas fractionation unit to cool down the N level steam turbines or N grades of expanding machine output N media, and be conveyed to the cooling in line output terminal discharge.
The optional technical solution of the utility model is that the heat energy utilization pipeline includes cooling down in line pipeline；The cooling In line pipeline includes the in line cryogenic fluid memory of cooling being sequentially communicated, the N grades of condenser and the in line output terminal of cooling；Institute N grades of condensers are stated for the in line medium of cooling in the in line cryogenic fluid memory of cooling to be made to cool down the N level steam turbines Or the N media of the N grades of expanding machine output, and it is conveyed to the in line output terminal discharge of the cooling；
The in line liquid pump of cooling, institute are provided between the in line cryogenic fluid memory of the cooling and the N grades of condenser It is N grades described for the in line medium of cooling in the in line cryogenic fluid memory of cooling to be made to be conveyed to state the in line liquid pump of cooling Condenser；
Cooling memory is provided between the in line cryogenic fluid memory of cooling and the in line liquid pump of cooling to go out Mouth valve.
The optional technical solution of the utility model is that the gas preparation system includes indirect heat exchange circulation loop；
The indirect heat exchange circulation loop includes the gas heat exchange system, the indirect compression dress that head and the tail are sequentially communicated It puts, indirect heat exchange and indirect throttle valve；
The gas heat exchange system is used to make the indirect cyclic process medium of the indirect heat exchange circulation loop to cool down from described Gas pre-cooler flows to the gas preparation media of the gas piping outlet；
The indirect heat exchange is used to make the N media cooling indirect heat exchange of the heat energy utilization pipeline to be recycled back to The indirect cyclic process medium on road；The both ends of the gas pre-cooler or the N grades of condenser and the indirect heat exchange Both ends are respectively communicated with.
The optional technical solution of the utility model is, when N is the integer more than or equal to 1, the N grades of condenser and the N It is provided with to store the N grade low-temp working medium memories of N media between grade liquid pump；
N grades of condenser pumps are communicated between the N grades of condenser and the N grade low-temps working medium memory；The N grades of condenser pump For the N media for flowing through the N grades of condenser to be made to input to the N grade low-temps working medium memory；
N grades of liquid separators are communicated between the N grades of condenser and the N grades of condenser pump；The N grades of liquid separator For separating the N media of the N circulation loops, and the N grades of condenser pump will be conveyed in the N media of liquid phase；
N grades of memory inlet valves are provided between the N grades of condenser pump and the N grade low-temps working medium memory；The N N grades of memory outlet valves are provided between grade liquid pump and the N grade low-temps working medium memory；
The N grade low-temps working medium memory is provided with N grades of memory compensation air bleeding valves；The N grades of memory compensation exhaust Valve is used to compensating or discharging the medium in the N grade low-temps working medium memory；
The N grades of condenser is provided with N grades of condensation compensation air bleeding valves；It is described N grades condensation compensation air bleeding valve for compensate or Person discharges the medium in the N grades of condenser；
The N level steam turbines are integrated device or the N grades of expanding machine and described N grades condensation with the N grades of condenser Device is integrated device；
The N circulation loops are provided at one or many places circulation loop drain valve, and the circulation loop drain valve is used In medium in the discharge N circulation loops；
It is cased with keeping the temperature outside the N level steam turbines or N grades of expanding machine, the N grades of condenser and N grades of liquid pump Layer；
When N is the integer more than or equal to 2, the boiling point of the N media is not higher than the boiling point of the N-1 media；
When N is integer more than or equal to 1, the N media are carbon dioxide, ammonia, helium, hydrogen, oxygen, argon, nitrogen, freon, Methane, ethane, propane, natural gas, coal gas or biogas；
When N is integer more than or equal to 1, the N level steam turbines or N grade expanding machine N grades of generators of drive connection or Person drives power-equipment；
The gas preparation media is that boiling point is subzero gas under normal temperature and pressure；The gas preparation media for air, Natural gas, methane, ethane, oxygen, nitrogen, argon gas, hydrogen or helium；
Insulating layer is cased with outside the gas pre-cooler；
Insulating layer is cased with outside the gas compressing apparatus；
Insulating layer is cased with outside the gas heat exchange system.
It is provided by the utility model to be using what air separation and Preparation equipment generated electricity based on above-mentioned second purpose System, including the gas preparation system.
The beneficial effects of the utility model：
Gas preparation system provided by the utility model, pipeline is prepared including gas；Gas prepares pipeline and specifically includes gas Body line entry, gas pre-cooler, gas piping outlet and gas compressing apparatus, so as to realize the preparation of gas, such as Oxygen, nitrogen, argon gas etc. are prepared using space division, available natural gas of production and living etc. is prepared by the natural gas of nature； The gas preparation system further includes heat energy utilization pipeline, passes through the N for the gas-liquid phase transition medium that circulates of heat energy utilization pipeline A circulation loop and made by gas pre-cooler heat energy utilization pipeline first circulation circuit first medium cooling gas The gas preparation media of pipeline is prepared, to turn using the thermal energy in gas pre-cooler and by the thermal energy by heat energy utilization pipeline 1 is turned to N level steam turbines or the mechanical energy of the rotation of 1 to N grade of expanding machine output, effectively gas make use of to prepare in pipeline Thermal energy reduces the waste of thermal energy.
The system provided by the utility model to be generated electricity using air separation and Preparation equipment, system is prepared including gas System can efficiently use gas and prepare thermal energy in pipeline, reduce the waste of thermal energy.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it describes below In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the first pass schematic diagram for the gas preparation system that the utility model embodiment one provides；
Fig. 2 is the second procedure schematic diagram for the gas preparation system that the utility model embodiment one provides；
Fig. 3 is the first pass signal of the heat energy utilization pipeline for the gas preparation system that the utility model embodiment one provides Figure；
Fig. 4 is the second procedure signal of the heat energy utilization pipeline for the gas preparation system that the utility model embodiment one provides Figure.
Icon：800- gases prepare pipeline；810- gas piping entrances；820- gas-filtering devices；830- gas compressions Device；840- gas purification apparatus；850- gas heat exchange systems；851- gas feedback heat-exchange devices；852- gases generate electricity Heat-exchange device；860- gas pipings export；870- gas fractionation units；880- gas expanders；The indirect compression sets of 890-； 891- indirect heat exchanges；The indirect throttle valves of 892-；
100- heat energy utilization pipelines；101- gas pre-coolers；102- first turbines；103- first-stage condensers；1031- Level-one condensation compensation air bleeding valve；104- level liquid separators；105- level-one condenser pumps；106- level-one cryogenic fluid memories； 1061- single-level memory inlet valves；1062- single-level memory outlet valves；1063- single-level memories compensate air bleeding valve； 107- level liquids pump；108- level-one generators；
202- second turbines；203- secondary condensers；204- secondary liquid separators；205- B-grade condensations pump；206- Two level cryogenic fluid memory；2061- second-level storage inlet valves；2062- second-level storage outlet valves；207- two level liquid Body pumps；208- secondary generators；
Tri- level steam turbines of 302-；303- three-level condensers；304- three-level liquid separators；305- three-level condenser pumps；306- Three-level cryogenic fluid memory；3061- third level storage inlet valves；3062- third level storage outlet valves；307- three-level liquid Body pumps；308- three-level generators；
401- compressors；402- heat exchangers；403- refrigerant liquid separators；404- refrigeration low-temperature working medium memories；4041- Freeze memory inlet valve；4042- refrigeration memory outlet valves；405- refrigeration steam turbines；406- refrigeration and generation machines；407- Compress Inlet fluid separator；408- cools down in line cryogenic fluid memory；4081- cools down memory outlet valve；409- is cold In line liquid pump；410- cools down in line valve；
501- heat exchange air bleeding valves；502- circulation loop drain valves.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality Novel protected scope.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the One ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition Concrete meaning of the language in the utility model.
Embodiment one
Referring to shown in Fig. 1-Fig. 4, present embodiments providing a kind of gas preparation system；Fig. 1 and Fig. 2 be the present embodiment provides The first pass schematic diagram of gas preparation system and second procedure schematic diagram, wherein Fig. 1 can be space division be prepared by system Flow diagram, Fig. 2 can be that natural gas be prepared by the flow diagram of system；Fig. 3 and Fig. 4 is provided in this embodiment The first pass schematic diagram of the heat energy utilization pipeline of gas preparation system and second procedure schematic diagram.Fig. 1 or shown in Fig. 2 gases A the and B ports of pre-cooler 101 are A the and B ports of Fig. 3 or shown in Fig. 4 gases pre-cooler 101；C shown in Fig. 1 or Fig. 2 Connection figure 3 or the both ends of gas pre-cooler 101 shown in Fig. 4 or N grades of condensers are used for D ports；E ports shown in Fig. 1 For output terminal.
Referring to shown in Fig. 1-Fig. 4, gas preparation system provided in this embodiment, applied to space division, natural gas, methane, second The preparation of the gases such as alkane, oxygen, nitrogen, argon gas, hydrogen or helium.
The gas preparation system prepares pipeline 800 and heat energy utilization pipeline 100 including gas.
Gas, which prepares pipeline 800, includes the gas piping entrance 810, gas pre-cooler 101 and the flue that are sequentially communicated Way outlet 860；Optionally, gas, which prepares pipeline 800, includes the gas piping entrance 810, the gas pre-cooler that are sequentially communicated 101st, gas heat exchange system 850 and gas tube outlet 860；Gas heat exchange system 850 is used to make from gas pre-cooler 101 flow to the gas preparation media cooling of gas piping outlet 860.
Gas compressing apparatus 830 is provided between gas piping entrance 810 and gas pre-cooler 101, alternatively, gas is pre- Gas compressing apparatus 830 is provided between device for cooling 101 and gas piping outlet 860；Namely gas compressing apparatus 830 can be set It puts before gas pre-cooler 101, can also be arranged on after gas pre-cooler 101.Optionally, gas compressing apparatus 830 can be Reciprocting piston compressor, centrifugal compressor, screw compressor etc..Optionally, gas piping entrance 810th, gas compressing apparatus 830, gas pre-cooler 101 and gas heat exchange system 850 are sequentially communicated；Alternatively, gas piping Entrance 810, gas pre-cooler 101, gas compressing apparatus 830 and gas heat exchange system 850 are sequentially communicated.It can be according to reality Border needs gas to be prepared that gas piping entrance 810, gas compressing apparatus 830, gas pre-cooler 101 and air heat is set to hand over Order between changing device 850.
Heat energy utilization pipeline 100 includes N number of circulation loop that circulation has gas-liquid phase transition medium；Wherein, N is more than or equal to 1 Integer；N for example can be 1,2,3,4,5 etc..
N be 1 when, first circulation circuit include head and the tail be sequentially communicated gas pre-cooler 101, first turbine 102 or One-stage expansion machine, first-stage condenser 103 and level liquid pump 107；Optionally, the first medium in first circulation circuit is liquid phase Become medium.Optionally, the first medium for flowing through first-stage condenser 103 is delivered to gas pre-cooler by level liquid pump 107 101, for first medium after carrying out heat exchange with gas pre-cooler 101, first medium heating is in all or part of gaseous state, I.e. first medium is in all or part of gaseous state in all or part of liquid endothermic disintergration.In specific environment, first is situated between Matter can form high pressure, so as to which first turbine 102 or one-stage expansion machine is driven to do work.Optionally, first turbine 102 Or one-stage expansion machine is drivingly connected level-one generator 108, passes through gas with the thermal energy that gas is prepared to pipeline 800 to a certain extent Body pre-cooler 101 is converted into the electric energy of level-one generator 108, improves generating efficiency.In addition, first turbine 102 or level-one Expanding machine can also be drivingly connected other rotation instruments, such as power-equipment.Optionally, the first medium in first circulation circuit is Cryogenic liquid medium；Optionally, the first medium in first circulation circuit depresses low boiling point in 0 degree Celsius of low temperature for normal atmosphere Liquid medium.
When N is the integer more than or equal to 2, N circulation loops include N-1 grades condenser, the N grades of steamers that head and the tail are sequentially communicated Machine or N grades of expanding machines, N grades of condensers and N grades of liquid pumps.N-1 grades of condensers flow through the N media of N circulation loops for making Cool down N-1 level steam turbines or the N-1 media of N-1 grades of expanding machine outputs.Optionally, N grades of liquid pumps will flow through N grades of condensers N media are delivered to N-1 grades of condensers, and in N-1 grades of condensers, N media and N-1 media carry out heat exchange, and N-1 is situated between Matter cooling in all or part of liquid namely N-1 media in all or part of gaseous state exothermic conversion be in all or Operative liquid, the heating of N media are in all or part of liquid endothermic disintergration in all or part of gaseous state namely N media To be in all or part of gaseous state.In specific environment, N media can form high pressure, so as to drive N level steam turbines or N grades of expanding machine actings.Optionally, N level steam turbines or N grades of expanding machines are drivingly connected N grades of generators, will flow to a certain extent The thermal energy of N-1 media through N-1 grades of condensers is converted into the electric energy of N grades of generators, improves generating efficiency.In addition, N grades of steamers Machine or N grades of expanding machines can also be drivingly connected other rotation instruments, such as power-equipment.Optionally, the N of N circulation loops Medium depresses low boiling point in 0 degree Celsius of cryogenic liquid medium for normal atmosphere.
N grades of condensers are used for the N media for cooling down N level steam turbines or N grades of expanding machine outputs.That is, the system includes one During a circulation loop, first-stage condenser is used for the first medium for cooling down first turbine or the output of one-stage expansion machine；The system bag When including two circulation loops, secondary condenser is used for the second medium for cooling down second turbine or the output of compound expansion machine；With this Analogize.
When N is the integer more than or equal to 1, N level steam turbines or N grades of expanding machines are drivingly connected generator；With by one to N grade of vapour Turbine or the mechanical energy of one to N grade of expanding machine rotation are converted into electric energy.When the system includes a circulation loop, level-one steamer Machine or one-stage expansion machine are drivingly connected level-one generator, and the generator of the system includes level-one generator；When the system includes two During a circulation loop, first turbine or one-stage expansion machine are drivingly connected level-one generator, second turbine or compound expansion machine Secondary generator is drivingly connected, the generator of the system includes level-one generator and secondary generator；And so on.
Gas pre-cooler 101 is used to make the first medium cooling gas in the first circulation circuit of heat energy utilization pipeline 100 The gas preparation media of pipeline 800 is prepared, so that the first circulation circuit of heat energy utilization pipeline 100 prepares pipeline 800 with gas Heat exchange is carried out by gas pre-cooler 101, thermal energy in pipeline 800 is prepared to recycle gas.
Optionally, insulating layer is cased with outside gas pre-cooler 101, heat exchange is carried out with ambient temperature to reduce.
Optionally, insulating layer is cased with outside gas compressing apparatus 830, heat exchange is carried out with ambient temperature to reduce.
Optionally, insulating layer is cased with outside gas heat exchange system 850, heat exchange is carried out with ambient temperature to reduce.
The place that other needs of gas preparation system described in the present embodiment are kept the temperature, it is also desirable to some be taken to protect accordingly Warm measure.
Gas preparation system described in the present embodiment prepares pipeline 800 including gas；Gas prepares pipeline 800 and specifically includes Gas piping entrance 810, gas pre-cooler 101, gas piping outlet 860 and gas compressing apparatus 830, so as to realizing gas The preparation of body prepares oxygen, nitrogen, argon gas etc. for example with space division, and preparing production and living by the natural gas of nature can use Natural gas etc.；The gas preparation system further includes heat energy utilization pipeline 100, passes through being used for for heat energy utilization pipeline 100 Circulate gas-liquid phase transition medium N number of circulation loop and make the first of heat energy utilization pipeline 100 by gas pre-cooler 101 The first medium cooling gas of circulation loop prepares the gas preparation media of pipeline 800, with using in gas pre-cooler 101 The thermal energy is simultaneously converted into 1 to the rotation of N level steam turbines or 1 to N grade of expanding machine output by thermal energy by heat energy utilization pipeline 100 Mechanical energy effectively make use of gas to prepare the thermal energy in pipeline 800, reduce the waste of thermal energy.
Shown in Figure 1, in the alternative of the present embodiment, gas, which prepares pipeline 800, includes 820 He of gas-filtering device Gas purification apparatus 840；By gas-filtering device 820, to filter dust contained in gas preparation media and other impurities, So as to reducing the abrasion on 830 internal mechanical movements surface of gas compressing apparatus, ensure the quality of gas preparation media；Pass through gas Body purification devices 840, to filter, adsorb or remove the moisture contained in gas preparation media, carbon dioxide, acetylene, other carbon The substances such as hydrogen compound；Such as it can avoid or reduce to a certain extent the moisture being frozen and carbon dioxide deposition, block up Plug blocking channel, pipeline and valve caused by the air separation columns such as pipeline, valve, gas fractionation unit.For another example, acetylene gathers There is the danger of explosion in liquid oxygen, dust can wear operating machinery.In order to ensure the long-term peace of the preparation facilities such as space division, natural gas For row for the national games, it is necessary to set gas-filtering device 820 and/or gas purification apparatus 840, it is miscellaneous to remove some with special cleaning equipment Matter.Absorption method and freezing process purification gas may be employed in gas purification apparatus 840, for example with molecular sieve adsorption.Optionally, Insulating layer is cased with outside gas-filtering device 820, heat exchange is carried out with ambient temperature to reduce.Optionally, gas purification apparatus 840 Insulating layer is cased with outside, heat exchange is carried out with ambient temperature to reduce.The place that other needs are kept the temperature, it is also desirable to take some corresponding Insulation.
Optionally, the quantity of gas purification apparatus 840 is two, and two gas purification apparatus 840 are set up in parallel；So as to gas In regeneration, two are used interchangeably body purification devices 840.That is, one of purifier apparatus work, another purifier apparatus is again It is raw.Optionally, gas purification apparatus 840 is interchangeable use using two molecular sieve equipments.
Optionally, gas piping entrance 810, gas-filtering device 820, gas compressing apparatus 830, gas pre-cooler 101st, gas purification apparatus 840 and gas heat exchange system 850 are sequentially communicated；
Alternatively, gas piping entrance 810, gas-filtering device 820, gas pre-cooler 101, gas compressing apparatus 830, Gas purification apparatus 840 and gas heat exchange system 850 are sequentially communicated；
Alternatively, gas piping entrance 810, gas-filtering device 820, gas pre-cooler 101, gas purification apparatus 840, Gas compressing apparatus 830 and gas heat exchange system 850 are sequentially communicated.The gas that can be prepared according to actual needs sets gas Line entry 810, gas-filtering device 820, gas compressing apparatus 830, gas pre-cooler 101,840 and of gas purification apparatus Order between gas heat exchange system 850.
It is shown in Figure 1, in the alternative of the present embodiment, 860 connection gas fractionation unit 870 of gas piping outlet. The gas of needs is isolated by gas fractionation unit 870, the state of the gas can be gaseous state, liquid or gas-liquid mixed shape State.Such as gas fractionation unit 870 is air separation column, space division system prepares oxygen, nitrogen, argon gas by gas fractionation unit 870 Deng.Optionally, insulating layer is cased with outside gas fractionation unit 870, heat exchange is carried out with ambient temperature to reduce.
Optionally, gas heat exchange system 850 includes gas feedback heat-exchange device 851 and gas power generation heat-exchange device 852；Gas feedback heat-exchange device 851 is arranged between gas power generation heat-exchange device 852 and gas fractionation unit 870.
Optionally, it is cold to be used for the gas preparation media that gas fractionation unit 870 is made to export for gas feedback heat-exchange device 851 But the gas preparation media of gas piping outlet 860 is flowed to from gas pre-cooler 101；Pass through gas feedback heat-exchange device 851, so that the part cryogenic media directly cooling that gas fractionation unit 870 exports flows to flue from gas pre-cooler 101 The gas preparation media of way outlet 860, so that gas fractionation unit 870 is easier to prepare gas.Optionally, gas fractionation unit The gas preparation media of 870 outputs is discharged through gas feedback heat-exchange device 851, as shown in Fig. 2, gas fractionation unit 870 is defeated E mouth discharge of the gas preparation media gone out through gas feedback heat-exchange device 851.
Optionally, gas power generation heat-exchange device 852 is used to make the N medium cooling gas systems of heat energy utilization pipeline 100 The gas preparation media of standby pipeline 800；The both ends of gas pre-cooler 101 or N grades of condensers and gas power generation heat exchange dress Put 852 both ends be respectively communicated with namely gas pre-cooler 101 or N grades of condensers with gas power generation heat-exchange device 852 simultaneously Connection is set.Wherein, N is the integer more than or equal to 1.Pipeline 800 is prepared with cooling gas by gas power generation heat-exchange device 852 Gas preparation media, while gas can also be prepared to the thermal energy exchange of the gas preparation media of pipeline 800 to N media, So that the thermal energy is converted into the mechanical energy for the rotation that steam turbine or expanding machine export by heat energy utilization pipeline 100.Such as the institute of Fig. 1,3,4 Show, in figure C the and D ports of gas power generation heat-exchange device 852 for connection figure 3 or gas pre-cooler 101 shown in Fig. 4 or The both ends of N grades of condensers of person.
Optionally, gas expander 880 is provided between gas feedback heat-exchange device 851 and gas fractionation unit 870. For the medium that gas fractionation unit 870 exports by gas expander 880, sharp temperature drop after being expanded is conducive to gas Feedback heat-exchange device 851 cools down the gas preparation media that gas piping outlet 860 is flowed to from gas pre-cooler 101.Gas Expanding machine 880 for example can be rotation blade machinery.
Shown in Figure 3, in the alternative of the present embodiment, heat energy utilization pipeline 100, which includes circulation, gas-liquid phase transition Jie The refrigeration cycle of matter；By refrigeration cycle to cool down the N media that N level steam turbines or N grades of expanding machines export.
Specifically, refrigeration cycle include head and the tail be sequentially communicated N grades condenser, compressor 401, heat exchanger 402, Freeze steam turbine 405 or refrigerating expander or expansion valve.That is, N grades of condensers, compressor 401, heat exchanger 402 and system Cold 405 head and the tail of steam turbine are sequentially communicated and form refrigeration cycle；Alternatively, N grades of condensers, compressor 401, heat exchanger 402 It is sequentially communicated with refrigerating expander head and the tail and forms refrigeration cycle；Alternatively, N grades of condensers, compressor 401, heat exchanger 402 It is sequentially communicated with expansion valve head and the tail and forms refrigeration cycle.
For making, the refrigerant for flowing through refrigeration cycle cools down N level steam turbines to N grades of condensers or N grades of expanding machines export N media.
Compressor 401 is cooled down refrigerant by heat exchanger 402 for compressing refrigerant, is delivered to refrigeration vapour Turbine 405 or refrigerating expander or expansion valve, refrigeration steam turbine 405 or refrigerating expander to be driven to rotate.Optionally, freeze vapour Turbine 405 or refrigerating expander are drivingly connected refrigeration and generation machine 406, the N for flowing through N grades of condensers to be situated between to a certain extent The thermal energy of matter is converted into the electric energy of refrigeration and generation machine 406, improves generating efficiency.In addition, refrigeration steam turbine 405 or refrigerating expander Other rotation instruments can also be drivingly connected, for example, refrigeration steam turbine 405 or refrigerating expander are drivingly connected compressor, are formed Compressor described in mechanical energy feedback.
Optionally, the refrigerant of refrigeration cycle is less than 0 degree Celsius of cryogenic liquid medium for boiling point.Optionally, The boiling point of refrigerant is not higher than the boiling point of N media, in order to which refrigerant cools down N media in N grades of condensers.It is optional Ground, refrigerant are inorganic Low medium or organic cryogenic media.Optionally, the boiling point of refrigerant is less than -30 DEG C.Its In, refrigerant for example can be carbon dioxide, ammonia, helium, hydrogen, oxygen, argon, nitrogen, freon, methane, ethane, propane, natural gas, Coal gas or biogas etc.；Certainly, refrigerant can also be other cryogenic medias.Preferably, refrigerant for methane, ethane or Person's boiling point is less than methane, the medium of ethane.
Optionally, the refrigerant of refrigeration cycle becomes phase medium namely refrigerant in the refrigeration cycle for gas-liquid The conversion of gas phase and liquid phase is carried out in circuit.Optionally, compress through compressor 401 and be situated between through the refrigeration after cooling of heat exchanger 402 Matter is in a liquid state in whole or in part, and refrigerant discharges pressure after flowing through refrigeration steam turbine 405 or refrigerating expander acting and is in All or part of gaseous state.
In the alternative of the present embodiment, heat exchanger 402 is arranged between N grades of liquid pumps and N-1 grades of condensers；Compressor After 401 compression refrigerants, refrigerant heats up, and the N media and refrigeration cycle of N circulation loops are made by heat exchanger 402 The refrigerant heat exchange in circuit, i.e., refrigerant is cooled into all or part of liquid by N media, and N media are freezed Medium is thermally formed portion gas.Theoretically, after heat exchanger 402 heats N media, the compressed compression of machine 401 system can be made The thermal energy that cold medium generates can be used effectively, and improve the energy utilization rate of system, reduce the loss of energy.
Optionally, the heat exchange air bleeding valve for exhaust is provided on the pipeline between heat exchanger 402 and N-1 grades of condensers 501.The pressure on the pipeline between heat exchanger 402 and N-1 grades of condensers can be discharged by the air bleeding valve 501 that exchanges heat.For example, the After N media are thermally formed portion gas by refrigerant, the increased pressure of pipeline, by exchanging heat, the release of air bleeding valve 501 part is pressed Power, with the security for improving the security of N circulation loops operation and improving system.
Optionally, compression Inlet fluid separator 407 is communicated between N grades of condensers and compressor 401；It is compressed into oral fluid Body separator 407 is used to separate the refrigerant of refrigeration cycle, and will be conveyed to compressor in the refrigerant of gas phase 401；By compressing Inlet fluid separator 407, using the refrigerant for ensuring to be conveyed to compressor 401 as gas, and then improve The service life of compressor 401.
Optionally, freezing, it is low that refrigeration is communicated between steam turbine 405 or refrigerating expander or expansion valve, with heat exchanger 402 Warm working medium memory 404；To store refrigerant by refrigeration low-temperature working medium memory 404 and improve refrigeration cycle Stability.Wherein, refrigeration low-temperature working medium memory 404 can improve system to a certain extent for storing refrigerant The stability in SAPMAC method circuit.
Optionally, it is communicated with refrigerant liquid separator 403 between heat exchanger 402 and refrigeration low-temperature working medium memory 404；System Cold liquid separator 403 is used to separate the refrigerant of refrigeration cycle, and will be conveyed to refrigeration in the refrigerant of liquid phase Cryogenic fluid memory 404；By refrigerant liquid separator 403, to ensure to be conveyed to the system of refrigeration low-temperature working medium memory 404 Cold medium is liquid.
Optionally, refrigeration memory is provided between refrigeration low-temperature working medium memory 404 and refrigerant liquid separator 403 to enter Mouth valve 4041；It is set between refrigeration steam turbine 405 or refrigerating expander or expansion valve, with refrigeration low-temperature working medium memory 404 There is refrigeration memory outlet valve 4042.By memory inlet valve 4041 and the refrigeration memory outlet valve 4042 of freezing, So that refrigeration low-temperature working medium memory 404 can form independent cryogenic fluid storage facilities, while can also be with refrigeration cycle Refrigerant in the equipment such as the N grades condenser in circuit, compressor 401 is circulated with being separated, to run under specific circumstances Protection and control system.
Referring to shown in Fig. 3, Fig. 4, in the alternative of the present embodiment, heat energy utilization pipeline 100 includes cooling down in line pipeline； The N media that N level steam turbines or N grades of expanding machines export are cooled down by cooling down in line pipeline.
Specifically, cooling down in line pipeline includes the in line cryogenic fluid memory 408 of cooling being sequentially communicated, N grades of condensations Device and the in line output terminal of cooling；Optionally, cool down and be provided with cooling between in line cryogenic fluid memory 408 and N grades of condensers In line liquid pump 409；Cool down in line pipeline include be sequentially communicated the in line cryogenic fluid memory 408 of cooling, cooling it is in line Liquid pump 409, N grade condenser and the in line output terminal of cooling；Optionally, the in line output terminal of cooling is provided with cooling inline valve Door 410.Optionally, cool down and be provided with cooling memory between in line cryogenic fluid memory 408 and the in line liquid pump 409 of cooling Outlet valve 4081；The in line cryogenic fluid memory 408 of cooling and cooling are controlled by cooling down memory outlet valve 4081 The break-make of pipeline between in line liquid pump 409.
Cool down in line liquid pump 409 for make cool down the in line medium of cooling in line cryogenic fluid memory 408 and convey It is discharged to N grades of condensers, and through the in line output terminal of supercooling, it may also be said to be discharged through supercooling inline valve door 410.For example, it beats The in line valve 410 of cooling is opened, in line medium is cooled down and is discharged by cooling down in line output terminal.N grades of condensers are in line for making cooling The N media of the in line medium cooling N level steam turbines of cooling or N grades of expanding machine output in cryogenic fluid memory, and be conveyed to Cool down in line output terminal discharge；By making, the in line medium of cooling cools down N level steam turbines in N grades of condensers or N grades of expanding machines are defeated The N media gone out, so that N circulation loops being capable of normal operation.
Optionally, the in line medium of cooling for cooling down in line pipeline is less than 0 degree Celsius of cryogenic liquid medium for boiling point.It is optional Ground, the boiling point for cooling down in line medium are not higher than the boiling point of N media, are cooled down in order to cool down in line medium in N grades of condensers N media.Optionally, in line medium is cooled down as inorganic Low medium or organic cryogenic media.Optionally, in line medium is cooled down Boiling point be less than -30 DEG C.Wherein, cool down in line medium for example can be carbon dioxide, ammonia, helium, hydrogen, oxygen, argon, nitrogen, freon, Methane, ethane, propane, natural gas, coal gas or biogas etc.；Certainly, it can also be other cryogenic medias to cool down in line medium.It is excellent Selection of land cools down the medium that in line medium is less than nitrogen for nitrogen or boiling point.
Optionally, in line medium is cooled down as non-combustible medium, is, for example, carbon dioxide, ammonia, helium, hydrogen, oxygen, argon, nitrogen, fluorine profit It holds high, cools down in line medium and directly discharge.Optionally, in line medium is cooled down as combustible medium；Such as in line medium is cooled down as first Alkane, ethane, propane, natural gas, coal gas or biogas etc..
In the alternative of the present embodiment, the low temperature that in line pipeline can also use gas to prepare the preparation of pipeline 800 is cooled down Medium cools down N grades of condensers.
Specifically, heat energy utilization pipeline 100 includes cooling down in line pipeline；Cooling down in line pipeline includes the gas being sequentially communicated Body separator 870, N grade condenser and the in line output terminal of cooling；N grades of condensers are used to make the gas in gas fractionation unit 870 Body preparation media cools down N level steam turbines or the N media of N grades of expanding machine outputs, and is conveyed to the in line output terminal discharge of cooling.It is logical The cryogenic media for crossing the preparation of gas fractionation unit 870 directly cools down N level steam turbines or the N media of N grades of expanding machine outputs.
Optionally, the in line liquid pump 409 of cooling is provided between gas fractionation unit 870 and N grades of condensers, cooling is in line Liquid pump 409 is for making the gas preparation media in gas fractionation unit 870 be conveyed to N grades of condensers, and gas preparation media is in N It absorbs heat and passes through in grade condenser and cool down in line output terminal discharge.By making the gas preparation media of low temperature in N grades of condensers N level steam turbines or the N media of N grades of expanding machine outputs are cooled down, so that N circulation loops being capable of normal operation.The gas of low temperature Preparation media for example can be nitrogen, oxygen, argon etc. in space division.
In the alternative of the present embodiment, heat energy utilization pipeline 100 includes refrigeration cycle and/or cooling vertical pipe Road, i.e. heat energy utilization pipeline 100 include refrigeration cycle either heat energy utilization pipeline 100 include cooling down in line pipeline or Heat energy utilization pipeline 100 includes refrigeration cycle and cools down in line pipeline.Optionally, heat energy utilization pipeline 100 includes refrigeration Circulation loop or the in line pipeline of cooling, to simplify heat energy utilization pipeline 100, reduce the construction cost of system.In addition, heat energy utilization Pipeline 100 can also include other equipment, pipelines for being used to cool down N level steam turbines or the N media of N grades of expanding machine output.
In the alternative of the present embodiment, when N is the integer more than or equal to 1, set between N grades of condensers and N grades of liquid pumps It is equipped with N grade low-temp working medium memories；Wherein, N grade low-temps working medium memory, can be to a certain extent for storing N media Improve the stability of N circulation loops.For example, when such as N is 1, set between first-stage condenser 103 and level liquid pump 107 It is equipped with level-one cryogenic fluid memory 106；Wherein, level-one cryogenic fluid memory 106, can be one for storing first medium Determine the stability in raising first circulation circuit in degree.Optionally, it is cased with insulating layer outside N grade low-temps working medium memory.
Optionally, when N is the integer more than or equal to 1, N grades are communicated between N grades of condensers and N grade low-temp working medium memories Condenser pump；The N media that N grades of condenser pumps flow through N grades of condensers for order are inputted to N grade low-temp working medium memories；Pass through N grades Condenser pump, the N media that will flow through N grades of condensers are conveyed to N grade low-temp working medium memories.Such as N be 1 when, level-one condensation Level-one condenser pump 105 is communicated between device 103 and level-one cryogenic fluid memory 106；Level-one condenser pump 105 flows through one for making The first medium of grade condenser 103 is inputted to level-one cryogenic fluid memory 106；By level-one condenser pump 105, will flow through The first medium of first-stage condenser 103 is conveyed to level-one cryogenic fluid memory 106.Optionally, it is cased with keeping the temperature outside N grades of condenser pumps Layer.
Optionally, when N is the integer more than or equal to 1, N grades of liquid is communicated between N grades of condensers and N grades of condenser pumps and are separated Device；N grades of liquid separators will be conveyed to N grades of condensations for separating the N media of N circulation loops in the N media of liquid phase Pump；By N grades of liquid separators, to ensure to be conveyed to the N media of N grade low-temp working medium memories as liquid through N grades of condenser pumps. Such as N be 1 when, level liquid separator 104 is communicated between first-stage condenser 103 and level-one condenser pump 105；Level liquid point It is used to separate the first medium in first circulation circuit from device 104, and level-one condenser pump will be conveyed in the first medium of liquid phase 105；By level liquid separator 104, to ensure to be conveyed to level-one cryogenic fluid memory 106 through level-one condenser pump 105 First medium is liquid.Optionally, it is cased with insulating layer outside N grades of liquid separators.
Optionally, when N is the integer more than or equal to 1, N grades are provided between N grades of condenser pumps and N grade low-temp working medium memories Memory inlet valve；N grades of memory outlet valves are provided between N grades of liquid pumps and N grade low-temp working medium memories；Pass through N Grade memory inlet valve and N grades of memory outlet valves, so that N grade low-temp working medium memories can form independent low temperature work Matter storage facilities, while can also be carried out with the N media in the equipment such as the N grades condensers of N circulation loops, N grades of liquid pumps It circulates with separating, with running protection under specific circumstances and control system.Such as N be 1 when, level-one condenser pump 105 is low with level-one Single-level memory inlet valve 1061 is provided between warm working medium memory 106；Level liquid pump 107 is deposited with level-one cryogenic fluid Single-level memory outlet valve 1062 is provided between reservoir 106；It is stored by single-level memory inlet valve 1061 and level-one Device outlet valve 1062, so that level-one cryogenic fluid memory 106 can form independent cryogenic fluid storage facilities, while It can pump the first medium in the equipment such as 107 with the first-stage condenser 103 in first circulation circuit, level liquid and be circulated with being divided From with running protection under specific circumstances and control system.
Optionally, when N is the integer more than or equal to 1, N grade low-temp working medium memories are provided with N grades of memory compensation exhausts Valve；N grades of memory compensation air bleeding valves are used to compensating or discharging the medium in N grade low-temp working medium memories, which can be N N media in grade low-temp working medium memory, or other Jie such as air in first void N grade low-temp working medium memories Matter；Air bleeding valve is compensated by N grades of memories, so as to the N media of supplement N grade low-temp working medium memories, to compensate N Xun Huans Circuit leakage, the N media of volatilization；Air bleeding valve is compensated by N grades of memories, additionally it is possible to be discharged in N grade low-temp working medium memories In the N media of gas, it can reduce to a certain extent and N grade low-temp working medium memories is either avoided to bear pressure or bear Larger pressure, to improve the security performance of N grade low-temp working medium memories.Such as N be 1 when, level-one cryogenic fluid memory 106 It is provided with single-level memory compensation air bleeding valve 1063；Single-level memory compensation air bleeding valve 1063 is low for compensating or discharging level-one First medium in warm working medium memory 106；Air bleeding valve 1063 is compensated by single-level memory, so as to one grade low-temp work of supplement The first medium of matter memory 106, to compensate the first medium of the leakage of first circulation circuit, volatilization；It is mended by single-level memory Repay air bleeding valve 1063, additionally it is possible to discharge in level-one cryogenic fluid memory 106 in the first medium of gas.
Optionally, when N is the integer more than or equal to 1, N grades of condensers are provided with N grades of condensation compensation air bleeding valves；N grades of condensations Compensation air bleeding valve is used to compensating or discharging the medium in N grades of condensers, which can be the N media in N grades of condensers, Or other media such as air in N grades of condensers of first void.Air bleeding valve is compensated by N grades of condensations, so as to supplement N The N media of grade condenser, to compensate the N media of the leakage of N circulation loops, volatilization；Air bleeding valve is compensated by N grades of condensations, It can also discharge in N grades of condensers in the N media of gas, can reduce or avoid to a certain extent N grades of condensers to hold By larger pressure, to improve the security performance of N grades of condensers.Such as N be 1 when, first-stage condenser 103 be provided with level-one condensation Compensate air bleeding valve 1031；Level-one condensation compensation air bleeding valve 1031 is used to compensating or discharging the medium in first-stage condenser 103, should Medium can be first-stage condenser 103 in first medium, or air in first void first-stage condenser 103 etc. its His medium；Pass through level-one condensation compensation air bleeding valve 1031, additionally it is possible to the first medium of first-stage condenser 103 is supplemented, to compensate the The leakage of one circulation loop, the first medium of volatilization；Compensation air bleeding valve 1031 is condensed by level-one, first-stage condenser can be discharged It is in the first medium or other impurities of gas in 103, can reduces or avoid first-stage condenser 103 to bear to a certain extent Larger pressure, to improve the security performance of first-stage condenser 103.
Optionally, when N is the integer more than or equal to 1, N level steam turbines are integrated device with N grades of condensers or N grades swollen Swollen machine is integrated device with N grades of condensers, with simplied system structure, reduces system cost.Such as N be 1 when, first turbine with First-stage condenser is integrated device or one-stage expansion machine and is integrated device with first-stage condenser.
Optionally, when N is the integer more than or equal to 1, N circulation loops are provided at one or the discharge of many places circulation loop Valve 502, circulation loop drain valve 502 is for medium in discharge N circulation loops；The medium can be the N in N grades of condensers Medium, or other media such as air in N grades of condensers of first void.Optionally, circulation loop drain valve 502 is set In the output terminal or input terminal of N grades of condensers；Optionally, circulation loop drain valve 502 is arranged on N level steam turbines or N grades swollen The output terminal or input terminal of swollen machine.As shown in Figure 3, Figure 4, show that first circulation circuit is arranged on level liquid pump in figure Circulation loop drain valve 502 between 107 and level-one cryogenic fluid memory 106.
Optionally, the N level steam turbines or N grades of expanding machine, the N grades of condenser and N grades of liquid pump housing There is insulating layer.
Optionally, first medium is inorganic Low medium or organic cryogenic media.Optionally, the boiling point of first medium is high In or less than 0 DEG C (at one atm).Wherein, first medium for example can be water, carbon dioxide, ammonia, helium, hydrogen, oxygen, Argon, nitrogen, freon, methane, ethane, propane, natural gas, coal gas or biogas etc.；Certainly, first medium can also be that other are low Warm medium.Preferably, first medium is the fuel gas such as hydrogen, methane, ethane, propane, oxygen, natural gas, coal gas or biogas.
Optionally, when N is the integer more than or equal to 2, the boiling point of N media is not higher than the boiling point of N-1 media, in order to N media cool down N-1 media in N-1 grades of condensers.Optionally, N media are inorganic Low medium or organic low temperature Medium.Optionally, N media depress low boiling point in 0 degree Celsius of cryogenic liquid medium for normal atmosphere.Optionally, N media Boiling point be less than -30 DEG C.Wherein, when N is integer more than or equal to 2, N media for example can be carbon dioxide, ammonia, helium, hydrogen, Oxygen, argon, nitrogen, freon, methane, ethane, propane, natural gas, coal gas or biogas etc.；Certainly, N media can also be other Cryogenic media.Preferably, first medium is carbon dioxide or ammonia, and second medium is freon, and the 3rd medium is nitrogen.
Optionally, it for example can be methane, ethane, propane, oxygen, natural gas, coal gas or biogas to cool down in line medium Wait combustible mediums.Preferably, in line medium is cooled down as liquid hydrogen or liquid natural gas, and what combustion of hydrogen generated is most clean water Steam will not generate environment any pollution, while the calorific value that combustion of hydrogen generates is also highest, therefore in space flight and rocket Fuel system all pay the utmost attention to liquid hydrogen, with the expansion of application market and the reduction of production cost, liquid hydrogen price also will be bright Aobvious reduction, human future development is likely to be the most environmentally friendly liquid hydrogen energy epoch.
Optionally, gas preparation media is inorganic Low medium either organic cryogenic media or mixed gas.Optionally, The boiling point of gas preparation media is higher or lower than 0 DEG C (at one atm).Optionally, gas preparation media is normal for room temperature Pressure boiling point is subzero gas；Wherein, gas preparation media for example can be air, natural gas, methane, ethane, oxygen, nitrogen Gas, argon gas, hydrogen or helium etc.；Certainly, gas preparation media can also be other media.Preferably, gas preparation media For air or natural gas.
In order to more be apparent from the present embodiment, in the alternative of the present embodiment, heat energy utilization pipeline 100 includes stream It is connected with a circulation loop of gas-liquid phase transition medium and cools down in line pipeline.Namely heat energy utilization pipeline 100 includes first circulation Circuit and the in line pipeline of cooling.Optionally, the first medium in first circulation circuit is carbon dioxide or ethane；Cool down vertical pipe The in line medium of cooling on road is methane, liquid oxygen, liquid hydrogen.
Specifically, first circulation circuit includes gas pre-cooler 101, the first turbine 102 that head and the tail are sequentially communicated Or one-stage expansion machine, first-stage condenser 103, level liquid separator 104, level-one condenser pump 105, single-level memory inlet valve 1061st, level-one cryogenic fluid memory 106, single-level memory outlet valve 1062 and level liquid pump 107；First turbine 102 or one-stage expansion machine be drivingly connected level-one generator 108.
Cooling down in line pipeline includes the in line cryogenic fluid memory 408 of cooling being sequentially communicated, first-stage condenser 103 and cold In line output terminal；First-stage condenser 103 cools down the in line medium cooling of cooling in line cryogenic fluid memory 408 for order First turbine 102 or the first medium of one-stage expansion machine output, and it is conveyed to the in line output terminal discharge of cooling；It cools down in line low The in line liquid pump 409 of cooling is provided between warm working medium memory 408 and first-stage condenser 103.
It should be noted that heat energy utilization pipeline 100 can include circulation have gas-liquid phase transition medium N number of circulation loop and Cool down in line pipeline.
As N be 2 when, second circulation circuit include head and the tail be sequentially communicated first-stage condenser 103, second turbine 202 or Compound expansion machine, secondary condenser 203, secondary liquid separator 204, B-grade condensation pump 205, second-level storage inlet valve 2061st, two level cryogenic fluid memory 206, second-level storage outlet valve 2062 and secondary liquid pump 207；Second turbine 202 or compound expansion machine be drivingly connected secondary generator 208.
As N be 3 when, the 3rd circulation loop include head and the tail be sequentially communicated secondary condenser 203, three level steam turbines 302 or Three-level expanding machine, three-level condenser 303, three-level liquid separator 304, three-level condenser pump 305, third level storage inlet valve 3061st, three-level cryogenic fluid memory 306, third level storage outlet valve 3062 and three-level liquid pump 307；Three level steam turbines 302 or three-level expanding machine be drivingly connected three-level generator 308.
Shown in Figure 2, in the alternative of the present embodiment, the gas preparation system is recycled back to including indirect heat exchange Road.
Indirect heat exchange circulation loop include head and the tail be sequentially communicated gas heat exchange system 850, indirect compression set 890, Indirect heat exchange 891 and indirect throttle valve 892.
Gas heat exchange system 850 is used to make the indirect cyclic process medium of indirect heat exchange circulation loop to cool down from the pre- cold charge of gas Put the 101 gas preparation medias for flowing to gas piping outlet 860；
Indirect heat exchange 891 is used to making the N media of heat energy utilization pipeline 100 to cool down between indirect heat exchange cycle circuit Connect circulatory mediator；The both ends of gas pre-cooler 101 or N grades of condensers and the both ends of indirect heat exchange 891 are respectively communicated with, Namely gas pre-cooler 101 or N grades of condensers are arranged in parallel with indirect heat exchange 891.Pass through gas heat exchange system 850 and indirect heat exchange 891, so that the N media of heat energy utilization pipeline 100 pass through indirect heat exchange circulation loop cooling gas Pre-cooler 101 flows to the gas preparation media of gas piping outlet 860.As in Figure 2-4, indirect heat exchange 891 in figure C and D ports be used for connection figure 3 or the both ends of gas pre-cooler 101 shown in Fig. 4 or N grades of condensers.
Embodiment two
Embodiment two provides a kind of system to generate electricity using air separation and Preparation equipment, which includes real The gas preparation system described in example one is applied, the technical characteristic of the gas preparation system disclosed in embodiment one is also applied for the implementation Example, the technical characteristic of one published gas preparation system of embodiment are not repeated to describe.
The system provided in this embodiment to be generated electricity using air separation and Preparation equipment includes gas preparation system.It is logical Gas preparation system is crossed so that air prepares the gases such as oxygen, nitrogen.
The system to be generated electricity described in the present embodiment using air separation and Preparation equipment has gas described in embodiment one The advantages of the advantages of body preparation system, the gas preparation system disclosed in embodiment one, is not repeated to describe herein.
In order to more be apparent from the present embodiment, illustrate space division technique flow briefly below：
Referring to shown in Fig. 1 of embodiment one, air through gas piping entrance 810 into gas-filtering device 820 filter with Afterwards, enter gas compressing apparatus 830 to be compressed, can be raised by compressed air themperature, then by gas precooling Device 101 exchanges heat, and the high temperature heat that gas compressing apparatus 830 generates is changed into electric energy using cryogenic media or mechanical energy is defeated Go out, compared with using for water cooling, since 101 inside of gas pre-cooler is using cryogenic liquid meson, temperature is relatively low, favorably Temperature behind reduction gas compressing apparatus 830, while also it is capable of the energy expenditure of less gas compressing apparatus 830.
By compressed air after cooling, enter gas purification apparatus 840, by air moisture, carbon dioxide, second Alkynes and other hydrocarbons etc. are purged and purify (for example, remaining nitrogen and oxygen and micro argon gas etc.).Due to Gas purification apparatus 840 is regenerated, and sets two gas purification apparatus 840；One of purifier apparatus work, in addition One purifier apparatus regeneration.
Optionally, the air purified by gas purification apparatus 840, then carry out gas heat exchange system 850 and carry out deep cooling, The liquid air (liquid nitrogen and liquid oxygen) of formation enters the separation that gas fractionation unit 870 carries out liquid nitrogen and liquid oxygen, formed liquid nitrogen, Liquid oxygen and liquid argon output of products.
Optionally, gas heat exchange system 850 includes gas feedback heat-exchange device 851 and gas power generation heat-exchange device 852；Gas fractionation unit 870 can also fractionate out a part of low temperature nitrogen and cryogenic oxygen, be filled by gas feedback heat exchange It puts 851 to absorb heat, pure nitrogen at room and oxygen is exported after re-heat for users to use.
Optionally, the cryogenic high pressure nitrogen and oxygen that gas fractionation unit 870 exports, can also use the equipment such as expanding machine Pressure is discharged, output mechanical energy is formed simultaneously cold, and condensing air convenient for gas feedback heat-exchange device 851 forms liquid air.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model rather than it is limited System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should Understand：It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from this practicality newly The scope of each embodiment technical solution of type.

Claims (10)

1. a kind of gas preparation system, which is characterized in that prepare pipeline and heat energy utilization pipeline including gas；
The gas, which prepares pipeline, includes the gas piping entrance, gas pre-cooler and the gas tube outlet that are sequentially communicated；
Gas compressing apparatus is provided between the gas piping entrance and the gas pre-cooler, alternatively, the gas is pre- Gas compressing apparatus is provided between device for cooling and gas piping outlet；
The heat energy utilization pipeline includes N number of circulation loop for the gas-liquid phase transition medium that circulates；Wherein, N is more than or equal to 1 Integer；
When N is 1, it is swollen that first circulation circuit includes the gas pre-cooler, first turbine or level-one that head and the tail are sequentially communicated Swollen machine, first-stage condenser and level liquid pump；When N is the integer more than or equal to 2, N circulation loops include head and the tail and are sequentially communicated N-1 grades condenser, N level steam turbines or N grades of expanding machines, N grades of condensers and N grades of liquid pumps；The N-1 grades of condenser is used to make Flow through the N media cooling N-1 level steam turbines of N circulation loops or the N-1 media of N-1 grades of expanding machine output；Described N grades cold Condenser is used for the N media for cooling down N level steam turbines or N grades of expanding machine outputs；The first medium in the first circulation circuit is low Geothermal liquid medium；The N media depress low boiling point in 0 degree Celsius of cryogenic liquid medium for normal atmosphere；
The gas pre-cooler is used to make the first medium in the first circulation circuit of the heat energy utilization pipeline to cool down the gas Body prepares the gas preparation media of pipeline.
2. gas preparation system according to claim 1, which is characterized in that the gas prepares pipeline and handed over including air heat Changing device；The gas heat exchange system flows to the gas system of the gas piping outlet for making from the gas piping entrance Standby medium cools down；
The gas piping entrance, the gas compressing apparatus, the gas pre-cooler and the gas heat exchange system according to Secondary connection；Alternatively, the gas piping entrance, the gas pre-cooler, the gas compressing apparatus and the air heat are handed over Changing device is sequentially communicated.
3. gas preparation system according to claim 2, which is characterized in that the gas, which prepares pipeline, includes gas filtration Device and gas purification apparatus；
It is the gas piping entrance, the gas-filtering device, the gas compressing apparatus, the gas pre-cooler, described Gas purification apparatus and the gas heat exchange system are sequentially communicated；
Alternatively, the gas piping entrance, the gas-filtering device, the gas pre-cooler, the gas compressing apparatus, The gas purification apparatus and the gas heat exchange system are sequentially communicated；
Alternatively, the gas piping entrance, the gas-filtering device, the gas pre-cooler, the gas purification apparatus, The gas compressing apparatus and the gas heat exchange system are sequentially communicated.
4. gas preparation system according to claim 2, which is characterized in that the gas piping outlet gas separation Device；
The gas heat exchange system includes gas feedback heat-exchange device and gas power generation heat-exchange device；The gas feedback Heat-exchange device is arranged between the gas power generation heat-exchange device and the gas fractionation unit；
The gas feedback heat-exchange device is used to that the gas preparation media of the gas fractionation unit output to be made to cool down from described Gas pre-cooler flows to the gas preparation media of the gas piping outlet；
The gas power generation heat-exchange device is used to make the N media cooling gas of the heat energy utilization pipeline to prepare pipeline Gas preparation media；The both ends of the gas pre-cooler or the N grades of condenser and gas power generation heat exchange dress The both ends put are respectively communicated with；Wherein, N is the integer more than or equal to 1.
5. gas preparation system according to claim 4, which is characterized in that the gas feedback heat-exchange device with it is described Gas expander is provided between gas fractionation unit.
6. gas preparation system according to claim 4, which is characterized in that the heat energy utilization pipeline includes cooling down in line Pipeline；The in line pipeline of cooling includes the gas fractionation unit being sequentially communicated, the N grades of condenser and the in line output of cooling End；The N grades of condenser is used to make the gas preparation media in the gas fractionation unit to cool down the N level steam turbines or described The N media of N grades of expanding machine output, and it is conveyed to the in line output terminal discharge of the cooling.
7. gas preparation system according to claim 1 or 2, which is characterized in that the heat energy utilization pipeline includes cooling In line pipeline；The in line pipeline of the cooling include the in line cryogenic fluid memory of cooling being sequentially communicated, the N grades of condenser and Cool down in line output terminal；The N grades of condenser is used to make the in line medium of cooling in the in line cryogenic fluid memory of cooling The N level steam turbines or the N media of N grades of expanding machine output are cooled down, and is conveyed to the in line output terminal discharge of the cooling；
The in line liquid pump of cooling is provided between the in line cryogenic fluid memory of the cooling and the N grades of condenser, it is described cold In line liquid pump is used to make the in line medium of cooling in the in line cryogenic fluid memory of cooling to be conveyed to the N grades of condensation Device；
Cooling memory outlet valve is provided between the in line cryogenic fluid memory of cooling and the in line liquid pump of cooling Door.
8. gas preparation system according to claim 2, which is characterized in that including indirect heat exchange circulation loop；
The indirect heat exchange circulation loop include head and the tail be sequentially communicated the gas heat exchange system, indirect compression set, Connect heat-exchanger rig and indirect throttle valve；
The gas heat exchange system is used to make the indirect cyclic process medium of the indirect heat exchange circulation loop to cool down from the gas Pre-cooler flows to the gas preparation media of the gas piping outlet；
The indirect heat exchange is used to make the N media of the heat energy utilization pipeline to cool down the indirect heat exchange circulation loop Indirect cyclic process medium；The both ends of the gas pre-cooler or the N grades of condenser and the both ends of the indirect heat exchange It is respectively communicated with.
9. gas preparation system according to claim 2, which is characterized in that N grades described when N is the integer more than or equal to 1 It is provided with to store the N grade low-temp working medium memories of N media between condenser and the N grades of liquid pump；
N grades of condenser pumps are communicated between the N grades of condenser and the N grade low-temps working medium memory；The N grades of condenser pump is used for The N media that order flows through the N grades of condenser are inputted to the N grade low-temps working medium memory；
N grades of liquid separators are communicated between the N grades of condenser and the N grades of condenser pump；The N grades of liquid separator is used for The N media of the N circulation loops are separated, and the N grades of condenser pump will be conveyed in the N media of liquid phase；
N grades of memory inlet valves are provided between the N grades of condenser pump and the N grade low-temps working medium memory；The N grades of liquid Body is pumped is provided with N grades of memory outlet valves between the N grade low-temps working medium memory；
The N grade low-temps working medium memory is provided with N grades of memory compensation air bleeding valves；The N grades of memory compensation air bleeding valve is used In compensating or discharge the medium in the N grade low-temps working medium memory；
The N grades of condenser is provided with N grades of condensation compensation air bleeding valves；The N grades of condensation compensation air bleeding valve is used to compensate or arrange Put the medium in the N grades of condenser；
The N level steam turbines are integrated device or the N grades of expanding machine with the N grades of condenser Integrated device；
The N circulation loops are provided at one or many places circulation loop drain valve, and the circulation loop drain valve is used to arrange Put medium in the N circulation loops；
Insulating layer is cased with outside the N level steam turbines or N grades of expanding machine, the N grades of condenser and N grades of liquid pump；
When N is the integer more than or equal to 2, the boiling point of the N media is not higher than the boiling point of the N-1 media；
When N is integer more than or equal to 1, the N media are carbon dioxide, ammonia, helium, hydrogen, oxygen, argon, nitrogen, freon, methane, Ethane, propane, natural gas, coal gas or biogas；
When N is the integer more than or equal to 1, the N level steam turbines or the N grades of expanding machine are drivingly connected N grades of generators or drive Dynamic power-equipment；
The gas preparation media is that boiling point is subzero gas under normal temperature and pressure；The gas preparation media is air, naturally Gas, methane, ethane, oxygen, nitrogen, argon gas, hydrogen or helium；
Insulating layer is cased with outside the gas pre-cooler；
Insulating layer is cased with outside the gas compressing apparatus；
Insulating layer is cased with outside the gas heat exchange system.
10. a kind of system to be generated electricity using air separation and Preparation equipment, which is characterized in that appoint including claim 1-9 Gas preparation system described in one.
CN201721466894.9U 2017-11-06 2017-11-06 Gas preparation system and the system to be generated electricity using air separation and Preparation equipment Expired - Fee Related CN207407579U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721466894.9U CN207407579U (en) 2017-11-06 2017-11-06 Gas preparation system and the system to be generated electricity using air separation and Preparation equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721466894.9U CN207407579U (en) 2017-11-06 2017-11-06 Gas preparation system and the system to be generated electricity using air separation and Preparation equipment

Publications (1)

Publication Number Publication Date
CN207407579U true CN207407579U (en) 2018-05-25

Family

ID=62318247

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721466894.9U Expired - Fee Related CN207407579U (en) 2017-11-06 2017-11-06 Gas preparation system and the system to be generated electricity using air separation and Preparation equipment

Country Status (1)

Country Link
CN (1) CN207407579U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107702432A (en) * 2017-11-06 2018-02-16 翁志远 Gas preparation system and the system to be generated electricity using air separation and Preparation equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107702432A (en) * 2017-11-06 2018-02-16 翁志远 Gas preparation system and the system to be generated electricity using air separation and Preparation equipment
CN107702432B (en) * 2017-11-06 2024-02-09 翁志远 Gas preparation system and system for generating electricity by using air separation and preparation equipment

Similar Documents

Publication Publication Date Title
US10138810B2 (en) Method and apparatus for power storage
JP2014500424A (en) System and method for liquid air production, power storage and power discharge
CN107060927A (en) Waste heat recycling system and its method and power station
CN108661732A (en) A kind of liquefied natural gas (LNG) production system of combustion gas-supercritical carbon dioxide combined power
CN103629854A (en) Ammonia and lithium bromide integrated absorption refrigeration device driven by heating medium water and method
CN101988397A (en) Low-grade heat-flow prime mover, generating system and method thereof
CN107044307A (en) Heat energy utilization dynamical system and new energy motor device
CN107702432A (en) Gas preparation system and the system to be generated electricity using air separation and Preparation equipment
US20160003528A1 (en) Station for reducing gas pressure and liquefying gas
CN206801634U (en) Heat energy utilization system and power station
CN207407579U (en) Gas preparation system and the system to be generated electricity using air separation and Preparation equipment
CN108645116B (en) Liquefied air energy storage system with disc tube cold accumulator
CN106524666A (en) Integral mobile natural gas liquefaction device
CN106123486B (en) Natural gas liquefaction and system in conjunction with distributed energy
CN105937416A (en) Cryogenic liquid air energy storage system utilizing waste heat lithium bromide to perform refrigeration
CN108151442A (en) The low temperature preparation system of LNG in unstripped gas
CN107519727A (en) One kind expansion deep cooling oil-gas recovery method
CN209279430U (en) A kind of refrigeration equipment producing liquefied natural gas
CN109386326A (en) A kind of condensation of gas and cryogenic fluid electricity generation system and technique
CN205860655U (en) The natural gas liquefaction system being combined with distributed energy
CN208950656U (en) Gas-condensate liquid and cryogenic fluid electricity generation system and gas liquefaction electricity generation system
CN110220341B (en) Power generation and ice making combined system utilizing natural gas excess pressure
KR101080235B1 (en) System for vaporizing liquefied natural gas
CN112112694A (en) Liquid air energy storage system and method for self-absorption of compression heat
CN107060930A (en) Heat energy utilization system and power station

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180525

Termination date: 20201106