CN101505122A - Thermo-electric generation module using LNG cold energy and production method thereof - Google Patents
Thermo-electric generation module using LNG cold energy and production method thereof Download PDFInfo
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- CN101505122A CN101505122A CNA2009100475334A CN200910047533A CN101505122A CN 101505122 A CN101505122 A CN 101505122A CN A2009100475334 A CNA2009100475334 A CN A2009100475334A CN 200910047533 A CN200910047533 A CN 200910047533A CN 101505122 A CN101505122 A CN 101505122A
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Abstract
The invention relates to a thermoelectric generation module utilizing LNG cold energy, and a preparation method thereof. The preparation method comprises the following steps that: a mirror-polished quartz SiO2 glass sheet or polyurethane is taken as a base film; mixed crystals of Te, Bi and Sb are subjected to magnetron sputtering deposition according to the molar ratio of Pb to Bi to Sb being (0.1-0.3):6:1 and Te to Bi to Sb being (0.05-0.2):6:1 respectively so as to prepare a P-type nano-film sheet and an N-type nano-film sheet; and the P-type and the N-type nano-film sheets in series connection are inlaid into insulating ceramics and connected so as to form a main structure of the thermoelectric generation module used at low temperature. The LNG cold energy can be utilized better by use of the thermoelectric generation module. The module adopts a full-static thermoelectric-material thermoelectric generation mode, is simple in structure, can conveniently perform series or parallel combination, and is a way with great prospects to realize thermoelectric generation through LNG cold energy at low temperature.
Description
Technical field
The present invention relates to the development and use of novel energy, be a branch---the development of temperature-difference power generation module of Engineering Thermophysics subject.Relate in particular to temperature-difference power generation module that utilizes the LNG cold energy that uses towards low temperature and preparation method thereof.
Background technology
LNG (liquefied natural gas) is low temperature (162 ℃) liquid mixture that natural gas forms by the low temperature process cryogenic liquefaction, is a kind of energy of clean and effective.The LNG cold energy generation that is proposed at present mainly is to utilize the cryogenic cold energy of LNG to make cycle fluid liquefaction in the Blast Furnace Top Gas Recovery Turbine Unit (TRT), then working medium through heating and gasifying again in gas turbine expansion working drive generator for electricity generation.As: Fujian in 2007 with the scale imported L NG of annual 260 * 10t, South China Science ﹠ Engineering University has designed " fire of ultralow temperature cold energy is estimated by the recycling LNG cold energy of refrigerant system with economic worth with analysis and fire " and " the LNG cold energy is used for the Integrated Solution at empty branch and the colod-application family of low temperature " for it, can cool off 290 * 10
4The t air is equivalent to 60000m
2The oxygen preparative-scale of/h, promptly one the cover super-huge conventional air-separating plant scale, it roughly can produce 11000m
2The liquid oxygen of/h, 47000m
2The oxygen of/h, 80000m
2Liquid nitrogen about/h and nitrogen, and 1800m
2Argon gas about/h.
And for example, the cold energy use of domestic LNG receiving station is with Tai Pang Wan receiving terminal, Shenzhen, and as not adopting the cold energy comprehensive utilization technique of LNG, the cold that enters the surrounding waters every year will reach 2.5 * 10
9MJ.The coming years, China will build up tens LNG receiving stations in succession in the coastal area, and several ten million t/a LNG carry the huge cold of tens thousand of TJ/a.And China will build up small-sized regional LNG gasification station successively in each city.Under the high-energy source price, the economy of cold recovery project also improves greatly.Therefore, make full use of the LNG cold energy and not only help energy savings, develop a circular economy, and can at utmost reduce the LNG terminal station, guarantee sustainable development in the neighbourhood influence.
To thermo-electric generation, work both domestic and external mainly concentrates in the research of thermo-electric converting material.Yet, domesticly still be in the starting stage for the thermoelectric material research that utilizes towards low temperature.Expression formula Z=α by conversion efficiency of thermoelectric Z
2σ/κ will improve the conversion efficiency of thermoelectric of material as can be seen, and its emphasis should be high ZT value.But because 3 factors of decision Z value are the parameters that is mutually related, all be the function of carrier concentration in fact, can not they be optimized, this be the not high main cause of present pyroelectric material performance.
Summary of the invention
Purpose of the present invention, be that proposition is a kind of towards low-temperature electricity-generating and the temperature-difference power generation module that utilizes the LNG cold energy flexible for installation, it is a kind of individual layer thermoelectric power generation device, its core is two kinds of low-temperature nano thermoelectric film material P types and N type monomer, form by series connection is formed the thermo-electric generation group on the insulating heat-conductive substrate, the temperature difference is set up along the length direction of nano thin-film, has the conduction ejector.
The present invention is achieved through the following technical solutions:
A kind of temperature-difference power generation module that utilizes the LNG cold energy, it is characterized in that, described temperature-difference power generation module is mainly by insulation conductive mounting substrate 6, constitute with two above P type nanometer thin diaphragms 1 that embed mounted substrate 6 and N type nanometer thin diaphragm 2, said dress substrate 6 has the film notch that is arranged parallel to each other, be spaced apart 10nm～5mm between per two notches, the P type is alternate in twos with N type nanometer thin diaphragm, be installed in the film notch with series system by conductive tabs 3, the temperature-difference power generation module two ends respectively have an electric current to flow into joint 4 and electric current flows out joint 5; A face of a pair of pipeline heat-transferring tile 7 is to carve the arc contact surface that closes mutually with the surface of institute pipe laying, has on another face with 6 two ends of mounted substrate and carves the tongue-and-groove that closes mutually, and mounted substrate 6 is connected between two pipe heat-transfers watts 7 by tongue-and-groove;
Wherein, described P type nanometer thin diaphragm is with the quartzy SiO of mirror finish
2Sheet glass or polyurethane are made egative film, adopt magnetron sputtering deposition Bi, Te, Pb mixed crystal to form, and molal weight is than being Pb:Bi:Sb=(0.1～0.3): 6:1;
Described N type nanometer thin diaphragm is with the quartzy SiO of mirror finish
2Sheet glass or polyurethane are made egative film, adopt magnetron sputtering deposition Te, Bi, Sb mixed crystal to form, and molal weight is than being Te:Bi:Sb=(0.05～0.2): 6:1.
In the such scheme, it is the pottery of principal crystalline phase that mounted substrate 6 adopts with aluminium nitride (AIN), and ceramic thickness is 10～15mm.
The present invention provides above-mentioned temperature-difference power generation module to get the preparation method simultaneously.
A kind of temperature-difference power generation module of the LNG of utilization cold energy gets the preparation method, it is characterized in that, described method comprises the steps:
1) preparation of P type and N type nanometer thin diaphragm
A) with the quartzy SiO of mirror finish
2Sheet glass or polyurethane substrate are as egative film, and negative plate size is (30～50mm) * (15～20mm) * 2mm; Before the sputter, in acetone, deionized water and absolute alcohol, handle behind 20～40min dry substrate successively with ultrasonic cleaner;
B) with mixed crystal Bi, Te, Pb, Sb at N
2Perhaps under the Ar protective atmosphere,, then mixed crystal is fixed on the negative electrode of rf magnetron sputtering system as target with 300～550 ℃ of preheatings 1～2 hour;
C) magnetron sputtering deposition Bi, Te, Pb mixed crystal on egative film, molal weight makes P type nanometer thin diaphragm than for Pb:Bi:Sb=(0.1～0.3): 6:1; Magnetron sputtering deposition Te, Bi, Sb mixed crystal on egative film, molal weight is than being Te:Bi:Sb=(0.05～0.2): 6:1; Sputter procedure and various operating parameter are as follows:
Sputtering chamber is evacuated to 2 * 10 with mechanical pump and molecular pump
-3Pa feeds working gas N
2Perhaps Ar reduces the working air current amount again and makes sputtering chamber air pressure remain 1.5,2.0 behind the build-up of luminance, and 2.5,3.0 or 4.0Mpa, and the control substrate temperature is 100,200,400 or 600 ℃ and carries out rf magnetron sputtering; Operating voltage in the sputter procedure is 10～20kv/cm, and sputtering power is 15～30W, and obtaining nanometer layer thickness is P type and the N type nanometer thin diaphragm of 100nm～500nm;
D) N under 100,150,200,250,300 ℃ with sputter gained P type and N type nanometer thin diaphragm
2In the protective atmosphere behind heat treatment 1～2.5h, put into vacuum dewar in batches and immerse-60～-40 ℃ liquid nitrogen 36 hours, with the mechanical stability energy of thermoelectric film material under the check low temperature;
2) the insulating heat-conductive mounted substrate of nano thin-film preparation
Select for use thickness be 10～15mm thickness be that the AIN ceramic material of principal crystalline phase is made the insulating heat-conductive layer with aluminium nitride (AIN), on the insulating heat-conductive layer, adopt photoetch method or utilize the die methods of punch to prepare the installation notch of P type and N type nanometer thin diaphragm, with fixed installation P type and N type thermo-electric generation thin-film material, the thickness of groove depth≤temperature difference nano film material;
3) preparation of temperature-difference power generation module
In the alternate in twos notch that is embedded in the insulating heat-conductive mounted substrate of P type with N type nanometer thin diaphragm, notch is spaced apart 10mm～20mm, adopt conducting resinl or solderability coating, according to realizing that the mode of connecting between P type and the N type nanometer thin diaphragm links into an integrated entity P type and N type nanometer thin diaphragm by conductive tabs 3, formation is towards the agent structure of the temperature-difference power generation module of low temperature use, and wherein conductive tabs 3 is to be connected with the nanometer thin diaphragm by conductive silver paste;
Can be according to the environment dimensional requirement of temperature-difference power generation module utilization, the size and nanometer thermo-electric generation thin-film material the arranging on ceramic substrate of arranging the insulating heat-conductive substrate flexibly.As Fig. 1, shown in 2.
4) face of pipe heat-transfer watts 7 surface preparation according to institute's pipe laying 8 is gone out with the surface of pipeline 8 to carve the arc contact surface that closes mutually, have on another face with 6 two ends of mounted substrate and carve the tongue-and-groove that closes mutually, mounted substrate 6 is connected between two pipe heat-transfers watts 7 by tongue-and-groove; Pipe heat-transfer watt 7 materials are identical with mounted substrate 6, and thickness is 15～25mm slightly, and the tongue-and-groove degree of depth is 8～15mm, add in the middle of the tongue-and-groove and apply heat-conducting daub to play fixation.
Beneficial effect
The cold energy density of LNG is big, generally can emit during gasification to be approximately 830kJ/kg (gasification latent heat and the sensible heat of gaseous natural gas from the storage temperature re-heat to ambient temperature that comprise liquified natural gas), and available cold energy is distributed in-162～20 ℃ the wide temperature range; Power and the public utility power consumption of every production 1t LNG are about 850kWh, and it is huge to consume energy.And in LNG receiving station, generally need again LNG is used by gasifier gasification back, emit very big cold during gasification, its value is approximately 830kJ/kg (gasification latent heat and the sensible heat of gaseous natural gas from the storage temperature re-heat to ambient temperature that comprise liquified natural gas).This a part of cold energy has been rejected with heating fluid in the natural gas gasifying device usually.Therefore, the temperature-difference power generation module that uses towards low temperature among the present invention is just having very big advantage aspect the cold energy use of strengthening LNG.
Use temperature-difference power generation module of the present invention can utilize the cold energy of LNG better, and the present invention adopts the thermoelectric material thermo-electric generation mode of full static state, having simple, movement-less part, connect or lot of advantages such as combination in parallel easily, is a kind of approach of the prospect that has much of the LNG of realization cryogenic cold energy thermo-electric generation.
Description of drawings
Fig. 1 is the main structure schematic diagram of temperature-difference power generation module
Wherein: 1-P type nanometer thin diaphragm, 2-N type nanometer thin diaphragm, 3-conductive tabs, 4-electric current flows into joint, and 5-electric current flows out joint, 6-mounted substrate.
Fig. 2 is the main structure schematic diagram of the another kind of compound mode of temperature-difference power generation module
Fig. 3 is the mounted substrate and the pipeline connection diagram of temperature-difference power generation module
Wherein: 6-mounted substrate, 7-pipe heat-transfer watt, 8-pipeline.
Fig. 4 is a LNG cold energy use system flow schematic diagram, and low temperature of the present invention just is installed on temperature-difference power generation module on the temperature difference pipeline of this system, between the import and export pipeline as heat exchanger.
Fig. 5 is that LNG gasification station small-sized electric cold-warm triple power produces the system flow schematic diagram, low temperature of the present invention just is installed on the import and export two ends of this system's inlet air cooler with the temperature-difference thermoelectric module, and between the refrigeration duty and heat load pipeline of direct-fired absorption air-conditioning unit.
Embodiment
The present invention is further elaborated below by embodiment.
Embodiment 1
With the quartzy SiO of mirror finish
2Sheet glass egative film, negative plate size are 30mm * 15mm * 2mm; Before the sputter, in acetone, deionized water and absolute alcohol, handle behind the 20min dry substrate successively with ultrasonic cleaner;
Mixed crystal Bi, Te, Pb, Sb under the Ar work atmosphere, with 200 ℃ of preheatings 1 hour, are fixed on mixed crystal the negative electrode of rf magnetron sputtering system then as target;
Magnetron sputtering deposition Bi, Te, Pb mixed crystal on egative film, molal weight makes P type nanometer thin diaphragm than for Pb:Bi:Sb=0.1:6:1; Magnetron sputtering deposition Te, Bi, Sb mixed crystal on egative film, molal weight is than being Te:Bi:Sb=0.15:6:1; Make N type nanometer thin diaphragm.Wherein the preparation parameter of nano film material is: working gas is Ar, and operating pressure 2.5Mpa, sputtering power are 20W, and the thermoelectric nano coating of sputter gained is 260nm, and in 200 ℃ of following N
2Buchholz protection heat treatment 1.5 hours.The thickness of pipe heat-transfer watt is 20mm, cambered surface diameter D=200mm, and the tongue-and-groove degree of depth is 10mm.The substrate insulating heat-conductive pottery of the temperature-difference power generation module that makes is of a size of 180mm * 300mm * 20mm, the arranging with reference to figure 2 of P, N type nanometer thin diaphragm.
In low temperature central air-conditioning system (system when operation wind pushing temperature≤11 ℃ air-conditioning system) and freezer, if directly utilize the latent heat of LNG or sensible heat directly and air or water carry out heat exchange, heat transfer temperature difference will reach about 160 ℃, causes water in air steam, CO easily
2Waiting freezing of other, block the heat exchanger runner, all is infeasible from security standpoint and air conditioner surroundings or the desired temperature and humidity of freezer environment.So cool storage medium reduces heat transfer temperature difference in the middle of needing.If this cold energy can be used in thermo-electric generation, the utilization value that it may reach is again considerable, and the electrothermal module among the present invention designs in order to make full use of this type of discarded cold energy.
Temperature-difference power generation module of the present invention is installed on the temperature difference pipeline of this type of middle cool storage medium, as Fig. 4, temperature-difference power generation module is installed on heat exchanger 1,2 and imports and exports between the pipelines.In the native system, the import and export pipeline temperature difference module of total length 2.5m contains 12 insulating heat-conductive potteries that are of a size of 180mm * 300mm * 20mm, contain 50 pairs of PN junctions on the every ceramic substrate, the seeback coefficient of single PN junction is 4mV/K in this electrothermal module, this moment heat exchanger 1,2 the temperature difference can reach △ T1=60 ℃ respectively, and △ T2=40 ℃, and the open circuit voltage of temperature-difference power generation module is: the open circuit electromotive force of heat exchanger 1 place's temperature difference module is E1=200 * 6 * 60mV/K=72V; The open circuit electromotive force of heat exchanger 2 place's temperature difference modules is E2=200 * 6 * 40mV/K=48V.Open circuit electromotive force of the present invention is higher, can realize the quick charge to the thermo-electric generation storage battery, and the loss of electricity collection is littler compared to low potential.
Make egative film with polyurethane, negative plate size is 50mm * 20mm * 2mm; Before the sputter, in acetone, deionized water and absolute alcohol, handle behind the 30min dry substrate successively with ultrasonic cleaner;
Mixed crystal Bi, Te, Pb, Sb under the Ar work atmosphere, with 200 ℃ of preheatings 1 hour, are fixed on mixed crystal the negative electrode of rf magnetron sputtering system then as target;
Magnetron sputtering deposition Bi, Te, Pb mixed crystal on egative film, molal weight makes P type nanometer thin diaphragm than for Pb:Bi:Sb=0.15:6:1; Magnetron sputtering deposition Te, Bi, Sb mixed crystal on egative film, molal weight is than being Te:Bi:Sb=0.15:6:1; Make N type nanometer thin diaphragm.Wherein the preparation parameter of nano film material is: working gas is Ar, and operating pressure 3Mpa, sputtering power are 25W, and the thermoelectric nano coating of sputter gained is 400nm, and in 300 ℃ of following N
2Buchholz protection heat treatment 2 hours.The thickness of pipe heat-transfer watt is 15mm, cambered surface diameter D=120mm, and the tongue-and-groove degree of depth is 8mm.The substrate insulating heat-conductive pottery of the temperature-difference power generation module that makes is of a size of 200mm * 120mm * 20mm, the arranging with reference to figure 2 of P, N type nanometer thin diaphragm.
For small-sized LNG vaporization station, generally in design, can design the standby power generating equipment of diesel engine generator and so on.Consider the abundance of 2 vaporization stations self source of the gas,, can choose suitable gas turbine and set up small-sized electric cold-warm triple power product (CCHP) system, see Fig. 5 in order to guarantee the stand air-conditioning in station service reliability and operation control room and the needs that heat.
The system when air themperature is 30 ℃ of experiment showed, 75% when only being 5 ℃ of exerting oneself, this is because the rising of ambient temperature reduces the density of air, and MAF descends and causes the decline of power output, and efficient is also bigger with the variation of inlet air temperature.Therefore, the precooling of inlet air is extremely important.So, the import and export two ends of this system's inlet air cooler, and between the refrigeration duty and heat load pipeline of direct-fired absorption air-conditioning unit, can set up the temperature range that is fit to the utilization of this temperature difference modular design.Low temperature of the present invention just is installed on the import and export two ends of this system's inlet air cooler with the temperature-difference thermoelectric module, and between the refrigeration duty and heat load pipeline of direct-fired absorption air-conditioning unit.
In the native system, the pipeline temperature difference module of total length 5m contains 24 insulating heat-conductive potteries that are of a size of 180mm * 300mm * 20mm, contains 20 pairs of PN junctions on the every ceramic substrate, and the seeback coefficient of single PN junction is 5mV/K in this electrothermal module.The import and export two ends of inlet air cooler and the refrigeration duty and the temperature difference between the heat load pipeline of direct-fired absorption air-conditioning unit can reach △ T1=15 ℃ respectively in the small-sized electric cold-warm triple power product system of LNG vaporization station, △ T2=40 ℃, so the open circuit voltage of this temperature-difference power generation module is: the open circuit electromotive force of the import and export two ends temperature difference module of inlet air cooler is E1=200 * 4 * 15mV/K=12V; The refrigeration duty of direct-fired absorption air-conditioning unit and the open circuit electromotive force of the temperature difference module between the heat load pipeline are E1=200 * 20 * 40mV/K=160V.Above-mentioned considerable open circuit electromotive force value, lower heat transfer temperature difference all is in the huge promotion aspect the LNG cold energy use to temperature-difference power generation module.
Claims (3)
1. temperature-difference power generation module that utilizes the LNG cold energy, it is characterized in that, described temperature-difference power generation module is mainly by insulation conductive mounting substrate (6), constitute with two above P type nanometer thin diaphragms (1) that embed mounted substrate (6) and N type nanometer thin diaphragm (2), said dress substrate (6) has the film notch that is arranged parallel to each other, be spaced apart 10nm～5mm between per two notches, the P type is alternate in twos with N type nanometer thin diaphragm, be installed in the film notch with series system by conductive tabs (3), the temperature-difference power generation module two ends respectively have an electric current to flow into joint (4) and electric current flows out joint (5); A face of a pair of pipeline heat-transferring tile (7) is to carve the arc contact surface that closes mutually with the surface of institute pipe laying, have on another face with (6) two ends of mounted substrate and carve the tongue-and-groove that closes mutually, mounted substrate (6) is connected between two pipe heat-transfers watt (7) by tongue-and-groove;
Wherein, described P type nanometer thin diaphragm is with the quartzy SiO of mirror finish
2Sheet glass or polyurethane are made egative film, adopt magnetron sputtering deposition Bi, Te, Pb mixed crystal to form, and molal weight is than being Pb:Bi:Sb=(0.1～0.3): 6:1;
Described N type nanometer thin diaphragm is with the quartzy SiO of mirror finish
2Sheet glass or polyurethane are made egative film, adopt magnetron sputtering deposition Te, Bi, Sb mixed crystal to form, and molal weight is than being Te:Bi:Sb=(0.05～0.2): 6:1.
2. the temperature-difference power generation module that utilizes the LNG cold energy as claimed in claim 1 is characterized in that, it is the pottery of principal crystalline phase that described mounted substrate (6) adopts with the aluminium nitride, and ceramic thickness is 10～15mm.
3. a preparation method who utilizes the temperature-difference power generation module of LNG cold energy as claimed in claim 1 is characterized in that described method comprises the steps:
1) preparation of P type and N type nanometer thin diaphragm
A) with the quartzy SiO of mirror finish
2Sheet glass or polyurethane substrate are as egative film, and negative plate size is (30～50mm) * (15～20mm) * 2mm; Before the sputter, in acetone, deionized water and absolute alcohol, handle behind 20～40min dry substrate successively with ultrasonic cleaner;
B) with mixed crystal Bi, Te, Pb, Sb at N
2Perhaps under the Ar protective atmosphere,, then mixed crystal is fixed on the negative electrode of rf magnetron sputtering system as target with 300～550 ℃ of preheatings 1～2 hour;
C) magnetron sputtering deposition Bi, Te, Pb mixed crystal on egative film, molal weight makes P type nanometer thin diaphragm than for Pb:Bi:Sb=(0.1～0.3): 6:1; Magnetron sputtering deposition Te, Bi, Sb mixed crystal on egative film, molal weight is than being Te:Bi:Sb=(0.05～0.2): 6:1; Sputter procedure and various operating parameter are as follows:
Sputtering chamber is evacuated to 2 * 10 with mechanical pump and molecular pump
-3Pa feeds working gas N
2Perhaps Ar reduces the working air current amount again and makes sputtering chamber air pressure remain 1.5,2.0 behind the build-up of luminance, and 2.5,3.0 or 4.0Mpa, and the control substrate temperature is 100,200,400 or 600 ℃ and carries out rf magnetron sputtering; Operating voltage in the sputter procedure is 10～20kv/cm, and sputtering power is 15～30W, and obtaining nanometer layer thickness is P type and the N type nanometer thin diaphragm of 100nm～500nm;
D) N under 100,150,200,250,300 ℃ with sputter gained P type and N type nanometer thin diaphragm
2In the protective atmosphere behind heat treatment 1～2.5h, put into vacuum dewar in batches and immerse-60～-40 ℃ liquid nitrogen 36 hours, with the mechanical stability energy of thermoelectric film material under the check low temperature;
2) the insulating heat-conductive mounted substrate of nano thin-film preparation
Select for use thickness be 10～15mm thickness be that the ceramic material of principal crystalline phase is made the insulating heat-conductive layer with the aluminium nitride, on the insulating heat-conductive layer, adopt photoetch method or utilize the die methods of punch to prepare the installation notch of P type and N type nanometer thin diaphragm, with fixed installation P type and N type thermo-electric generation thin-film material, the thickness of groove depth≤P type and N type nano film material;
3) preparation of temperature-difference power generation module
In the alternate in twos notch that is embedded in the insulating heat-conductive mounted substrate of P type with N type nanometer thin diaphragm, notch is spaced apart 10mm～20mm, according to realizing that the mode of connecting between P type and the N type nanometer thin diaphragm links into an integrated entity P type and N type nanometer thin diaphragm by conductive tabs (3), wherein conductive tabs (3) is connected with the nanometer thin diaphragm by conductive silver paste;
4) face of pipe heat-transfer watt (7) surface preparation according to institute's pipe laying (8) is gone out with the surface of pipeline (8) to carve the arc contact surface that closes mutually, have on another face with (6) two ends of mounted substrate and carve the tongue-and-groove that closes mutually, mounted substrate (6) is connected between two pipe heat-transfers watt (7) by tongue-and-groove; Pipe heat-transfer watt (7) material is identical with mounted substrate (6), and thickness is 15～25mm slightly, and the tongue-and-groove degree of depth is 8～15mm, adds deposited heat-conducting daub in the middle of the tongue-and-groove.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151967A (en) * | 2013-01-27 | 2013-06-12 | 南京瑞柯徕姆环保科技有限公司 | Cold energy thermoelectric power generating device |
| CN103174549A (en) * | 2013-04-03 | 2013-06-26 | 河南农业大学 | Liquefied natural gas (LNG) engine energy recovery device and energy recovery method based on thermoelectric power generation technology |
| CN103997256A (en) * | 2014-05-08 | 2014-08-20 | 南通天工深冷新材料强化有限公司 | Emergency power supply for cryogenic treatment process |
| CN105871256A (en) * | 2016-06-01 | 2016-08-17 | 浙江聚珖科技股份有限公司 | Heat pump cold-hot temperature difference power generation device |
| CN105978405A (en) * | 2016-07-06 | 2016-09-28 | 浙江聚珖科技股份有限公司 | Thermoelectric generation power system of delivery vehicle |
| CN110908184A (en) * | 2019-11-14 | 2020-03-24 | Tcl华星光电技术有限公司 | Backlight module and preparation method thereof |
| CN111578139A (en) * | 2020-05-22 | 2020-08-25 | 哈尔滨锅炉厂有限责任公司 | Power generation method by applying LNG cold energy and temperature difference double loops and gas three-layer coupling |
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2009
- 2009-03-13 CN CNA2009100475334A patent/CN101505122A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151967A (en) * | 2013-01-27 | 2013-06-12 | 南京瑞柯徕姆环保科技有限公司 | Cold energy thermoelectric power generating device |
| CN103151967B (en) * | 2013-01-27 | 2015-06-10 | 南京瑞柯徕姆环保科技有限公司 | Cold energy thermoelectric power generating device |
| CN103174549A (en) * | 2013-04-03 | 2013-06-26 | 河南农业大学 | Liquefied natural gas (LNG) engine energy recovery device and energy recovery method based on thermoelectric power generation technology |
| CN103174549B (en) * | 2013-04-03 | 2015-09-23 | 河南农业大学 | Based on thermoelectric generation LNG engine power recovering device and method |
| CN103997256A (en) * | 2014-05-08 | 2014-08-20 | 南通天工深冷新材料强化有限公司 | Emergency power supply for cryogenic treatment process |
| CN105871256A (en) * | 2016-06-01 | 2016-08-17 | 浙江聚珖科技股份有限公司 | Heat pump cold-hot temperature difference power generation device |
| CN105978405A (en) * | 2016-07-06 | 2016-09-28 | 浙江聚珖科技股份有限公司 | Thermoelectric generation power system of delivery vehicle |
| CN110908184A (en) * | 2019-11-14 | 2020-03-24 | Tcl华星光电技术有限公司 | Backlight module and preparation method thereof |
| CN111578139A (en) * | 2020-05-22 | 2020-08-25 | 哈尔滨锅炉厂有限责任公司 | Power generation method by applying LNG cold energy and temperature difference double loops and gas three-layer coupling |
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