CN203349591U - Device for making ice by utilizing cold energy of LNG (liquefied natural gas) satellite station - Google Patents
Device for making ice by utilizing cold energy of LNG (liquefied natural gas) satellite station Download PDFInfo
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- CN203349591U CN203349591U CN 201320261294 CN201320261294U CN203349591U CN 203349591 U CN203349591 U CN 203349591U CN 201320261294 CN201320261294 CN 201320261294 CN 201320261294 U CN201320261294 U CN 201320261294U CN 203349591 U CN203349591 U CN 203349591U
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Abstract
The utility model discloses a device for making ice by utilizing cold energy of an LNG satellite station, and the device can well solve the problem of mismatching of LNG gasification amount and ice demand by combing a phase-change coolant (R410A) and LNG heat exchange ice making method with a steam compression refrigerating cycle and adopting a natural gas engine (15) for providing power to a compressor (14) during the LNG gasification process. In summer, surplus natural gas is used as fuel of the engine to drive the compressor to perform refrigeration, accordingly, insufficient cooling capacity is complemented, and the conflict between small LNG gasification amount and large ice demand in summer is resolved; in winter, the LNG gasification amount is large, and the ice demand can be met only through phase-change coolant and LNG heat exchange ice making; and in transition seasons, the cooling capacity during LNG gasification is utilized as far as possible, and when the cooling capacity is insufficient, the compression refrigeration cycle is started for complementing the insufficient cooling capacity. The device has a high COP (coefficient of performance) value, is stable in ice making capacity, and can relieve the seasonal unbalance of electricity and gas.
Description
Technical field
The utility model discloses the device of a kind of LNG of utilization satellite station cold energy ice making, belong to LNG satellite station cold energy use field.
Background technology
The key component of natural gas (NaturalGas is abbreviated as NG) is methane, under normal temperature and pressure, is gas.Because the place of production and the user area of natural gas often is separated by remote, for the convenience that stores and transport, natural gas is from generally will be after the processing of dehydration, desulfurization, acid gas removal body and heavy hydrocarbons etc. gas-field exploitation out, liquefaction becomes the cryogenic high pressure liquid of-162 ℃, be liquefied natural gas (LiquefiedNaturalGas is abbreviated as LNG).Although it is extremely many natural gas liquid to be changed into to the power consumption of LNG needs, with respect to remote transmission, still there is great economic benefit.LNG not only is conducive to the long-distance transmissions of natural gas, also is conducive to reduce the storage cost of natural gas, more is conducive to the appliance load peak regulation of natural gas.
When LNG gasifies under an atmospheric pressure, can discharge the about 230kWh/t of cold of-162～5 ℃.For an amount of vaporization, be 10 * 10
4nm
3d
-1small-sized LNG satellite gasification station, can utilize the nearly 1MW of cold power, amount to electric energy every year and be about millions of degree, can save the refrigeration electric energy of nearly ten million degree.
Along with developing rapidly of China LNG industry, LNG satellite gasification station is set up just like the mushrooms after rain, and what build at present just reaches more than 200.Also more and more for the research of LNG satellite gasification station cold energy use, the aspects such as free minute, freezer, air-conditioning, phase-changing energy-storing and cascade utilization.Because the condensing temperature that air liquefaction is required and the temperature of LNG are the most approaching, so the LNG cold energy is fit closely for the air separation industry from the angle of Temperature Matching, but because of the space division technique complexity, initial cost is many, take up an area large, and LNG satellite station amount of vaporization changes huge, so LNG satellite gasification station cold energy was not suitable especially for empty minute.Freezer is because its addressing requirement is high, and initial cost is many, the very difficult cold energy that utilizes LNG satellite gasification station nearby etc., and be not suitable for most LNG satellite gasification station.In addition, at present the LNG cold energy cascade utilization of most study, often relate to a plurality of industries and field that span is very large, usually be difficult to find to all these fields all interested investor invest, and be difficult to guarantee that projects can be by the normal operation of design.So, although cascade utilization can have the higher cold energy rate of recovery in theory, the possibility of implementing is very little.
Ice, because of its huge market demand, have a wide range of applications in industries such as food, air-conditioning, medical treatment, electronics, building, transportations, and the technological process of ice making is simple, technology maturation, small investment, take up an area little and regional limits low etc., be particularly suitable for the cold energy use of small-sized LNG satellite station.Yet, the LNG cold energy is less for the research of ice making, only in document seldom and books, have at present mentionedly, and China is until just authorized the patent 201120307627.3 of the first LNG of utilization cold energy ice making in 2012.Although this patent technological process is simple, without additional refrigeration power source, it is selected, and to have compared phase transformation refrigerant flow without the phase transformation refrigerant much bigger.In addition, larger deficiency is to solve the amount of vaporization of LNG gasification station and the unmatched problem of demand of ice.The natural gas demand on winter and daytime is large, so can be also large for the LNG cold utilized; The natural gas demand at summer and night is little, and utilizable LNG cold is corresponding reducing also.But the ice demand in summer is but very large, the ice demand in winter is less.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, the device of a kind of LNG of utilization satellite station cold energy ice making is provided, this device solves in utilizing LNG cold energy ice-making process, the amount of vaporization of LNG satellite station and the unmatched problem of the demand of ice, and can alleviate the disequilibrium in season of electric power combustion gas.
The utility model device comprises: LNG storage tank, LNG pump 1, control valve 2,5,12,13, air heat type vaporizer 3,6, pressure regulator 4,19, LNG heat exchanger 7, low temperature coolant storage tank 8, centrifugal pump 9, pressure regulator valve 10; Ice machine 11, refrigerant R410A compressor 14, natural gas engine 15, heat exchanger 16; Normal temperature coolant storage tank 17, choke valve 18.
The purpose of this utility model is achieved through the following technical solutions:
(1) LNG pump 1 is connected with hot insulated line successively with the cold logistics import of pressure regulator valve 5, LNG heat exchanger 7, the cold logistics outlet of LNG heat exchanger 7 is connected with hot insulated line with 6 imports of air heat type vaporizer, by the normal temperature pipeline, 6 outlets of air heat type vaporizer are connected with pressure regulator 4, pressure regulator 4 outlets are connected with pipeline network of fuel gas in city again; The hot logistics outlet of LNG heat exchanger 7 is connected with hot insulated line successively with the refrigerant import of low temperature coolant storage tank 8, centrifugal pump 9, pressure regulator valve 10, ice machine 11, with hot insulated line, the refrigerant exit of ice machine 11 is connected with the hot logistics import of LNG heat exchanger 7 and forms circulation, the ice machine water inlet is connected with feedwater piping; Pick out a hot insulated line with the insulation tee pipe fitting on the refrigerant exit pipeline of ice machine 11, this hot insulated line is connected with the air inlet of compressor 14, compressor outlet is connected with the hot logistics import of heat exchanger 16, the hot logistics outlet of heat exchanger 16 is connected with normal temperature coolant storage tank 17, then with hot insulated line, normal temperature coolant storage tank 17 and the refrigerant import of choke valve 18, ice machine 11 is connected successively and forms circulation.
(2) compressor 14 is connected with natural gas engine 15, by natural gas engine 15, for compressor 14, provides power.
(3) pick out a normal temperature pipeline on the outlet line of pressure regulator 4, this normal temperature pipeline connects pressure regulator 19 and natural gas engine 15 successively, and in pipeline, normal-temperature natural-gas will be as the fuel of natural gas engine.
(4) low temperature coolant storage tank (8) and normal temperature coolant storage tank (17) are all the storage tanks of insulation, that in low temperature coolant storage tank (8), store is liquid low-temperature mixed cold-producing medium R410A, and that in normal temperature coolant storage tank (17), store is liquid normal temperature mix refrigerant R410A.
(5) after pressure regulator valve (10) pressure regulation, pressure is identical with pressure after choke valve (18) throttling, in pressure regulator valve (10) exit, is provided with check-valves, and choke valve (18) exit also is provided with check-valves.
(6) hot insulated line between the hot logistics import of the refrigerant exit of ice machine 11 and LNG heat exchanger 7 is provided with control valve 12.
(7) hot insulated line between the air inlet of the refrigerant exit of ice machine 11 and compressor 14 is provided with control valve 13.
The operation principle of the utility model device is as follows:
(1) 0.2～0.5MPa in the LNG storage tank, the liquefied natural gas of-162 ℃ are divided into two strands of A, B after 1 pressurization of LNG pump, and the assignment of traffic that A, B are two strands is determined by control valve 2,5.The B stock-traders' know-how is vaporizated into normal-temperature natural-gas after overregulating valve 2 in air heat type vaporizer 3, then sends into pipeline network of fuel gas in city after pressure regulator 4 pressure regulation; A-share is the gaseous state mix refrigerant R410A heat exchange that-16～-10 ℃, pressure are 0.3～0.45MPa with temperature after control valve 5 in LNG heat exchanger 7, natural gas temperature after heat exchange is that-20～-15 ℃, pressure are 0.2～0.5MPa, heat up as the natural gas after vaporizing with air heat type vaporizer 3 after normal temperature converges through air heat type vaporizer 6 again, converge by after pressure regulator 4 pressure regulation, sending into pipeline network of fuel gas in city.
(2) in LNG heat exchanger 7 with the LNG heat exchange after mix refrigerant R410A will become liquid state, temperature is reduced to-35～-28 ℃, then liquid R410A is sent in low temperature coolant storage tank 8, after centrifugal pump 9 is pressurized to 0.6～0.8MPa, by pressure regulator valve 10 pressure regulation, be 0.36～0.48MPa again, R410A after R410A after pressure regulation and choke valve 18 throttlings converges, enter after converging in ice machine 11 and the water heat exchange, water-setting is become ice, then by ice the form output with ice cube or flake ice.
(3) in ice machine 11 with the water heat exchange after R410A will become gaseous state, temperature raises as-16～-10 ℃, pressure is 0.3～0.45MPa, gaseous state R410A will be divided into two strands of C, D, the assignment of traffic of two strands is determined by control valve 12,13.The C stock-traders' know-how is overregulated after valve 12 and is again entered in LNG heat exchanger 7 and the LNG heat exchange, forms circulation; The D stock-traders' know-how is overregulated after valve 13 and is entered compressor 14 to be compressed to pressure be 1.7～2.5MPa, enter again in heat exchanger 16 and the cooling water heat exchange, the liquid that R410A liquefaction after heat exchange is 25～40 ℃, R410A after liquefaction will send in normal temperature coolant storage tank 17, again after choke valve 18 throttlings with pressure regulator valve 10 pressure regulation after R410A converge and enter ice machine 11, form circulation.The pressure of R410A after choke valve 18 throttlings is identical with the pressure of R410A after pressure regulator valve 10 pressure regulation.
(4) normal-temperature natural-gas after pressure regulator 4 pressure regulation is drawn to sub-fraction, pressure by pressure regulator 19 pressure regulation to applicable natural gas engine, natural gas after pressure regulator 19 pressure regulation will be as the fuel of natural gas engine 15, and natural gas engine 15 provides power for compressor 14.
The utility model device has the following advantages with respect to prior art:
(1) utilizing phase transformation refrigerant (R410A) to combine with the steam compression type refrigerating circulation with the method for LNG heat exchange ice making, the fine solution LNG amount of vaporization of energy and the unmatched problem of ice demand, reduced the ice making energy consumption simultaneously, compared traditional ice making method, ice making COP value is significantly improved;
(2) stability of a system is high, and ice-making capacity is stable, and does not affect the normal operation of LNG gasification station in ice-making process;
(3) adopt natural gas engine to provide power for compressor, be conducive to alleviate the disequilibrium in season of electric power combustion gas.
The accompanying drawing explanation
Fig. 1 is the structure principle chart of ice maker described in the utility model.
In figure, 1 is the LNG pump, and 2,5,12,13 is control valve, and 3,6 is air heat type vaporizer, and 4,19 is pressure regulator, and 7 is the LNG heat exchanger, and 8 is the low temperature coolant storage tank, and 9 is centrifugal pump, and 10 is pressure regulator valve; 11 is ice machine, 14 compressors that are refrigerant R410A, and 15 is natural gas engine, 16 is heat exchanger; 17 is the normal temperature coolant storage tank, and 18 is choke valve.
The specific embodiment
, provide three examples of implementation under different amount of vaporization below in conjunction with accompanying drawing 1, and use processing simulation analysis software HYSYS to carry out sunykatuib analysis with season and the day part gas consumption is different that very large fluctuation is arranged due to the amount of vaporization of LNG gasification station.For the ease of the energy consumption to each examples of implementation, be analyzed, by winter amount of vaporization be 10 * 10
4nm
3d
-1the time only utilize the ice demand of the ice-making capacity of LNG cold energy ice making as each example.
Embodiment 1
Suppose that LNG gasification station amount of vaporization is 5 * 10
4nm
3d
-1, the demand of ice is 5464kgh
-1.LNG gasification station amount of vaporization deficiency when this example is summer, the situation that ice is in great demand.In order to utilize the LNG cold energy as far as possible, when the LNG amount of vaporization can not meet the demand of ice, close control valve 2, control valve 5 standard-sized sheets.After the pressurization of LNG pump, flow is 1710kgh
-1lNG in LNG heat exchanger 7, with temperature, be the gaseous state mix refrigerant R410A heat exchange that 15 ℃, pressure are 0.3～0.45MPa, natural gas temperature after heat exchange is 0.2～0.5MPa, then sends into pipeline network of fuel gas in city successively after air heat type vaporizer 6 is upgraded to normal temperature, pressure regulator 4 pressure regulation for-18 ℃, pressure.R410A after heat exchange is liquid, and flow is 4972kgh
-1, temperature reduces to-35～-28 ℃, then liquid R410A is sent in low temperature coolant storage tank 8.After centrifugal pump 9 is pressurized to 0.6～0.8MPa, by pressure regulator valve 10 pressure regulation, be 0.36～0.48MPa again, the R410A after the R410A after pressure regulation and choke valve 18 throttlings converges, and after converging, flow is 12779kgh
-1, then enter in ice machine 11 and the water heat exchange, water-setting is become ice, then by ice the form output with ice cube or flake ice.In ice machine 11 with the water heat exchange after R410A will become gaseous state, temperature raises as-15 ℃, pressure is 0.3～0.45MPa, gaseous state R410A will be divided into two strands of C, D, C plume amount is adjusted to 4972kgh by control valve 12
-1again enter in LNG heat exchanger 7 and the LNG heat exchange, form circulation; D plume amount is adjusted to 7807kgh by control valve 13
-1entering the rear pressure of compressor 14 compression is 1.7～2.5MPa, enter again in heat exchanger 16 and the cooling water heat exchange, the liquid that R410A liquefaction after heat exchange is 25～40 ℃, R410A after liquefaction will send in normal temperature coolant storage tank 17, again after choke valve 18 throttlings with pressure regulator valve 10 pressure regulation after R410A converge and enter ice machine 11, form circulation.The pressure of R410A after choke valve 18 throttlings is identical with the pressure of R410A after pressure regulator valve 10 pressure regulation.And the normal-temperature natural-gas after pressure regulator 4 pressure regulation is drawn to sub-fraction, pressure by pressure regulator 19 pressure regulation to applicable natural gas engine, natural gas after pressure regulator 19 pressure regulation will be as the fuel of natural gas engine 15, and natural gas engine 15 provides power for compressor 14.
Embodiment 2
Suppose that LNG gasification station amount of vaporization is 8 * 10
4nm
3d
-1, the demand of ice is 5464kgh
-1.When this example is excessive season, LNG gasification station amount of vaporization can meet the demand of ice substantially, but still has deficiency.In order to utilize the LNG cold energy as far as possible, when the LNG amount of vaporization can not meet the demand of ice, close control valve 2 equally, control valve 5 standard-sized sheets.The ruuning situation of the ruuning situation of this example and example 1 is basic identical, and just the flow of LNG and R410A has larger variation, so only explained in different places here.The LNG flow that enters LNG heat exchanger 7 is 2735kgh
-1; In LNG heat exchanger 7, with the flow of the gaseous state mix refrigerant R410A of LNG heat exchange, be 7955kgh
-1; Flow after R410A after R410A after pressure regulator valve 10 pressure regulation and choke valve 18 throttlings converges is 11078kgh
-1; In ice machine 11 with the water heat exchange after gaseous state R410A be divided into two strands of C, D, the flow of C thigh is adjusted to 7955kgh by control valve 12
-1, the flow of D thigh is adjusted to 3123kgh by control valve 13
-1; The flow of the sub-fraction normal-temperature natural-gas drawn after pressure regulator 4 reduces to some extent than the amount in " embodiment 1 ".
Suppose that LNG gasification station amount of vaporization is 12 * 10
4nm
3d
-1, the demand of ice is 5464kgh
-1.When this example is winter, LNG gasification station amount of vaporization can meet the demand of ice fully, and also has situation more than needed.Now, only utilize the LNG cold energy just can meet the demand of ice, and more than needed in addition, the flow of the LNG pressurizeed through the LNG pump is 4104kgh
-1so, open control valve 2, the LNG flow that makes to enter air heat type vaporizer 3 is 684kgh
-1, through the normal-temperature natural-gas after 3 gasifications of air heat type vaporizer, with the normal-temperature natural-gas after 6 heating of air heat type vaporizer, converge again, through pressure regulator 4 pressure regulation, then send into pipeline network of fuel gas in city after converging.Open pressure regulator valve 5, making the LNG flow is 3420kgh
-1then entering in LNG heat exchanger 7 with temperature is the gaseous state mix refrigerant R410A heat exchange that 15 ℃, pressure are 0.3～0.45MPa, natural gas temperature after the heat exchange of LNG heat exchanger is 0.2～0.5MPa for-18 ℃, pressure, be upgraded to normal temperature through air heat type vaporizer 6 again, the normal-temperature natural-gas after gasifying with air heat type vaporizer 3 afterwards converges.R410A after heat exchange is liquid, and flow is 9944kgh
-1, temperature reduces to-35～-28 ℃, then liquid R410A is sent in low temperature coolant storage tank 8.After centrifugal pump 9 is pressurized to 0.6～0.8MPa, by pressure regulator valve 10 pressure regulation, be 0.36～0.48MPa again, the R410A after pressure regulation directly enters in ice machine 11 and the water heat exchange, and water-setting is become ice, then by ice the form output with ice cube or flake ice.In ice machine 11 with the water heat exchange after R410A will become gaseous state, temperature raises as-15 ℃, pressure is 0.3～0.45MPa, control valve 13 cuts out, control valve 12 is opened simultaneously, the flow that makes to enter the gaseous state R410A of LNG heat exchanger 7 is 9944kgh
-1.Now, the steam compression type refrigerating circulation quits work, so no longer from pressure regulator 4, draw natural gas.
The sunykatuib analysis result of the utility model device:
Adopting process simulation softward HYSYS has carried out sunykatuib analysis to this device, and its result is as listed as table 1, wherein q
lNGfor the amount of vaporization of LNG, m
1for only utilization is through the ice amount of the cold energy ice making (water of 30 ℃ being made to the ice of-10 ℃) of the LNG of control valve 5, W1 is for to produce and m with common ice making method
1the required energy consumption of identical ice amount, m
2for the ice demand under every kind of example (plan ice-making capacity), W
2for energy consumption of compressor, the COP value is the energy loss-rate of steam compression type refrigerating circulation ice-making in this device, q
nGgas consumption for natural gas engine.The natural gas Lower heat value of selecting in analysis is 40.67MJNm
-3, in this device, the natural gas engine thermal efficiency elects 35% as.
From table 1, can see, be 2～10 * 10 for amount of vaporization
4nm
3d
-1small-sized LNG satellite station, adopt this technique can ice making 5285kgh
-1, a day ice-making capacity is about 127t, compares with common ice making method and produces the energy that identical ice can be saved 7332kW maximum every days.Year, gross income was pressed the wholesale price of 8 yuan of current every 100kg ice cubes, and the situation that day ice-making capacity is 127t is calculated, and can reach 370.36 ten thousand yuan, and economic benefit is considerable.
The theoretical analysis result of table 1 process energy consumption
From table 1, can also see, in this technique, the COP value of steam compression type refrigerating circulation is 2.5, compares the COP value of most ice machine 2.2 left and right, and the energy consumption of this technique is lower.
In addition, due to what adopt, be natural gas engine, in the situation that amount of vaporization constantly changes, compare the electricity refrigeration and more easily regulate refrigerating capacity.And what use is the natural gas in station, not only can reduce the expenses such as electric power increase-volume, can also alleviate the disequilibrium in season of electric power combustion gas.
Claims (7)
1. a device that utilizes the cold energy ice making of LNG satellite station, is characterized in that comprising LNG pump (1), pressure regulator (4), control valve (5), air heat type vaporizer (6), LNG heat exchanger (7), low temperature coolant storage tank (8), centrifugal pump (9), pressure regulator valve (10), ice machine (11), compressor (14), natural gas engine (15), heat exchanger (16), normal temperature coolant storage tank (17) and choke valve (18); Described LNG pump (1) is connected with hot insulated line successively with the cold logistics import of pressure regulator valve (5), LNG heat exchanger (7), the cold logistics outlet of LNG heat exchanger (7) is connected with hot insulated line with air heat type vaporizer (6) import, by the normal temperature pipeline, air heat type vaporizer (6) outlet is connected with pressure regulator (4), pressure regulator (4) outlet is connected with pipeline network of fuel gas in city again; The hot logistics outlet of LNG heat exchanger (7) is connected with hot insulated line successively with the refrigerant import of low temperature coolant storage tank (8), centrifugal pump (9), pressure regulator valve (10), ice machine (11), with hot insulated line, the refrigerant exit of ice machine (11) is connected with the hot logistics import of LNG heat exchanger (7) and forms circulation, the ice machine water inlet is connected with feedwater piping; Pick out a hot insulated line with the insulation tee pipe fitting on the refrigerant exit pipeline of ice machine (11), this hot insulated line is connected with the air inlet of compressor (14), compressor outlet is connected with the hot logistics import of heat exchanger (16), the hot logistics outlet of heat exchanger (16) is connected with normal temperature coolant storage tank (17), then with hot insulated line, normal temperature coolant storage tank (17) and the refrigerant import of choke valve (18), ice machine (11) is connected successively and forms circulation.
2. device according to claim 1, is characterized in that, described compressor (14) is connected with natural gas engine (15), by natural gas engine (15), for compressor (14), provides power.
3. device according to claim 2, it is characterized in that, pick out a normal temperature pipeline on the outlet line of described pressure regulator (4), this normal temperature pipeline connects pressure regulator (19) and natural gas engine (15) successively, and in pipeline, normal-temperature natural-gas will be as the fuel of natural gas engine.
4. device according to claim 3, it is characterized in that, described low temperature coolant storage tank (8) and normal temperature coolant storage tank (17) are all the storage tanks of insulation, that in low temperature coolant storage tank (8), store is liquid low-temperature mixed cold-producing medium R410A, and that in normal temperature coolant storage tank (17), store is liquid normal temperature mix refrigerant R410A.
5. device according to claim 4, is characterized in that, after described pressure regulator valve (10) pressure regulation, pressure is identical with pressure after choke valve (18) throttling, in pressure regulator valve (10) exit, is provided with check-valves, and choke valve (18) exit also is provided with check-valves.
6. device according to claim 5, is characterized in that, the hot insulated line between the hot logistics import of the refrigerant exit of described ice machine (11) and LNG heat exchanger (7) is provided with control valve (12).
7. device according to claim 6, is characterized in that, the hot insulated line between the air inlet of the refrigerant exit of described ice machine (11) and compressor (14) is provided with control valve (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320261294 CN203349591U (en) | 2013-05-15 | 2013-05-15 | Device for making ice by utilizing cold energy of LNG (liquefied natural gas) satellite station |
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| CN 201320261294 CN203349591U (en) | 2013-05-15 | 2013-05-15 | Device for making ice by utilizing cold energy of LNG (liquefied natural gas) satellite station |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982774A (en) * | 2014-05-20 | 2014-08-13 | 中国寰球工程公司辽宁分公司 | Process flow and device of multi-functional liquefied natural gas satellite station |
| CN105066512A (en) * | 2015-09-14 | 2015-11-18 | 西南石油大学 | LNG satellite station cooling heat and power cogeneration technology |
| CN106839486A (en) * | 2017-03-07 | 2017-06-13 | 宁波市弘祥能源有限公司 | LNG cold energy cooling cycle systems |
| CN110220341A (en) * | 2019-06-05 | 2019-09-10 | 广东海洋大学 | A kind of power generation and ice making association system using natural gas overbottom pressure |
-
2013
- 2013-05-15 CN CN 201320261294 patent/CN203349591U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982774A (en) * | 2014-05-20 | 2014-08-13 | 中国寰球工程公司辽宁分公司 | Process flow and device of multi-functional liquefied natural gas satellite station |
| CN103982774B (en) * | 2014-05-20 | 2015-12-02 | 中国寰球工程公司辽宁分公司 | A kind of multi-functional LNG Liquefied natural gas satellite station technological process and device |
| CN105066512A (en) * | 2015-09-14 | 2015-11-18 | 西南石油大学 | LNG satellite station cooling heat and power cogeneration technology |
| CN105066512B (en) * | 2015-09-14 | 2018-01-02 | 西南石油大学 | A kind of LNG satellite stations CCHP technique |
| CN106839486A (en) * | 2017-03-07 | 2017-06-13 | 宁波市弘祥能源有限公司 | LNG cold energy cooling cycle systems |
| CN110220341A (en) * | 2019-06-05 | 2019-09-10 | 广东海洋大学 | A kind of power generation and ice making association system using natural gas overbottom pressure |
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