CN102780424A - Temperature-difference power generation system - Google Patents

Temperature-difference power generation system Download PDF

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CN102780424A
CN102780424A CN2012101181518A CN201210118151A CN102780424A CN 102780424 A CN102780424 A CN 102780424A CN 2012101181518 A CN2012101181518 A CN 2012101181518A CN 201210118151 A CN201210118151 A CN 201210118151A CN 102780424 A CN102780424 A CN 102780424A
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heat
cold
heat exchange
producing medium
exchange pond
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苟仲武
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Abstract

The invention discloses a temperature-difference power generation system, which comprises a temperature-difference generator, a hot pump device, a first heat exchange pool and a second heat exchange pool, wherein hot flowing medium flowing out from a hot source flows through the hot end of the temperature-difference generator via the first heat exchange pool; cold flowing medium flowing out from the second heat exchange pool flows through the cold end of the temperature-difference generator to flow back to the second heat exchange pool; a condenser of the hot pump device is arranged in the first heat exchange pool; heat is released to the flowing medium flowing through the first heat exchange pool; and an evaporator of the hot pump device is arranged in the second heat exchange pool to adsorb heat of the flowing medium in the second heat exchange pool. Because the hot pump technology is utilized, the medium on the cold end of the temperature-difference generator is kept at the low-temperature state, and therefore the temperature-difference generator can be applied to occasions which do not need an external cold source. In addition, energy released from the cold end of the temperature-difference generator is recovered and utilized by the hot pump. After certain energy is supplemented, the hot pump is utilized on the hot end of the temperature-difference generator for generating power, and a purpose of reducing thermal discharge is achieved.

Description

A kind of thermo-electric generation system
Technical field
The present invention relates to energy-conserving and emission-cutting technology, relate in particular to a kind of waste heat that will give up and reclaim, reduce heat discharge, and make the system of its output electric energy environment.
Background technology
Though recent years is along with the energy and environment crisis is outstanding day by day, and the succeeding in developing of a collection of high-performance thermo-electric converting material, the thermoelectric Study on Technology becomes focus again.The semiconductor temperature differential generating principle is exactly with two kinds of dissimilar thermo-electric converting material N and the combination of P; And the one of which end placed the condition of high temperature, other end open circuit and when giving low temperature, because the thermal excitation effect of temperature end is stronger; Hole and electron concentration are also high than low-temperature end; Under the driving of this carrier concentration gradient, hole and electronics spread to low-temperature end, thereby form electrical potential difference in low-temperature end; If P type and N type thermo-electric converting material are coupled together the composition module with many, just can obtain sufficiently high voltage, form a thermal generator.
Thermal generator has the characteristic of thermo-electric generation, specifically can be semiconductor temperature difference generator.Polytype semiconductor temperature difference generator is arranged in the prior art.For example, a kind of semiconductor temperature difference generator, if 150 ℃ conduction oil is passed through in its hot junction, its cold junction passes through 30 ℃ cold water, that is to say that the temperature difference reaches 140 ℃, then can export the direct current of 160V at its voltage output end, power reaches about 300W; As a rule, semiconductor temperature difference generator reaches in the temperature difference and gets final product the voltage that output device has the value utilized more than 60 ℃.
Along with thermal generator is exported electric energy under the effect of the temperature difference, the temperature difference between the cool and heat ends of thermal generator also can be more and more littler; That is to say, in the process of thermal generator generating, can absorb heat from the hot junction, from the cold junction release heat.For thermal generator can be generated electricity constantly, need keep the temperature difference between its cool and heat ends.As shown in Figure 1, normally flow through flow media constantly with higher temperature in the hot junction of thermal generator, like the water or the heat conduction wet goods of high temperature, flow through lower flow media constantly at the cold junction of thermal generator, like cold water etc.If can not continue to replenish cold flow media at cold junction, then cold junction temperature can rise gradually; That is to say that cold junction need constantly have cold flow media to flow through, for example, cold junction is received running water pipe or well water pipe; Otherwise the temperature difference between the cool and heat ends can be more and more littler, and output voltage is also just more and more littler; Up to temperature difference balance, thermal generator is output voltage no longer.
Therefore, thermal generator electricity-generating method of the prior art application scenario is limited, needs the extraneous cold flow media that constantly continues to replenish, and in the occasion that can not receive the extraneous cold flow media that replenishes, the occasion of promptly not having extraneous low-temperature receiver then can't be suitable for.The occasion that for example need move at some thermal generator, thermal generator can't communicate with running water or well water through pipeline, then can't use thermal generator and generate electricity.
Summary of the invention
The embodiment of the invention provides a kind of thermo-electric generation system, makes the occasion that thermal generator can be applied in does not need extraneous low-temperature receiver, and reaches and recycle energy, reduce the purpose to the environment hot driving.
According to an aspect of the present invention, a kind of thermo-electric generation system is provided, has comprised: thermal generator, heat pump assembly, the first heat exchange pond, the second heat exchange pond;
The flow media warp first heat exchange pond of the heat that from thermal source, flows out, the hot junction of the said thermal generator of flowing through; The cold flow media that flows out from the second heat exchange pond, the cold junction of the said thermal generator of flowing through is back to the second heat exchange pond;
The condenser of said heat pump assembly is arranged in the first heat exchange pond, the flow media release heat to the first heat exchange pond of flowing through; The evaporator of said heat pump assembly is arranged in the second heat exchange pond, absorbs the heat of the flow media in the second heat exchange pond;
The voltage output end of said thermal generator is exported electric energy to load.
Wherein, said heat pump assembly also comprises: compressor, choke valve, refrigerant cycle pipeline; Wherein, said compressor, condenser, choke valve, evaporator link to each other through said refrigerant cycle pipeline successively, constitute the circulation canal of the cold-producing medium of sealing;
Said compressor is used for said pressurizes refrigerant, gets into said condenser after making cold-producing medium become the gaseous state of HTHP;
Said condenser is specifically used the said cold-producing medium of condensation liquefaction, makes said cold-producing medium become liquid, and the heat release that said cold-producing medium is discharged is in the flow media in the first heat exchange pond of flowing through;
Said choke valve is used for the cold-producing medium that flows out from said condenser is reduced pressure, and makes said cold-producing medium become low-temp low-pressure liquid;
Said evaporation apparatus body is used for absorbing the heat of the flow media in the second heat exchange pond, and the evaporation gasification makes said cold-producing medium become gaseous state from the cold-producing medium that said choke valve flows out.
Further, the voltage output end of said thermal generator is exported electric energy to load behind voltage stabilizing circuit, rectification circuit.
Wherein, said thermal generator comprises: a plurality of hot junctions, and number and the corresponding cold junction of hot junction quantity, number and the corresponding thermo-electric generation sheet of hot junction quantity group; Wherein, cool and heat ends is spaced, and clamping connection has one group of thermo-electric generation sheet between the cold junction of every pair of adjacent arrangement and hot junction.
According to another aspect of the present invention, a kind of thermal generator is provided, has comprised: at least one hot junction, and with the corresponding cold junction of hot junction quantity, with the corresponding thermo-electric generation sheet group of cool and heat ends sum; Wherein, cool and heat ends is spaced, and between the cold junction of every pair of adjacent arrangement and hot junction, accompanies one group of thermo-electric generation sheet.
According to another aspect of the present invention, a kind of thermo-electric generation system is provided, has comprised:
Useless waste heat aggregation sub-systems contains the flow media of useless waste heat in order to storage;
First heat pump assembly in order to absorbing the useless waste heat of the flow media in the said useless waste heat aggregation sub-systems, and produces the high heating value energy after makeup energy;
High heating value energy output subsystem, the flow media in the said high heating value energy output subsystem is in order to absorb the high heating value energy that first heat pump assembly is produced;
Thermal generator, its hot junction contacts draw heat with the flow media of said high heating value energy output subsystem output;
The 3rd heat exchange pond is used to store cold flow media; The flow media release heat of the cold junction of said thermal generator in said the 3rd heat exchange pond;
Second heat pump assembly, in order to absorbing the heat of the flow media in the 3rd heat exchange pond, and after makeup energy to said useless waste heat aggregation sub-systems quantity of heat given up.
Wherein, in the said useless waste heat aggregation sub-systems flow media be specially water; And said useless waste heat aggregation sub-systems comprises: warm water cistern and the 4th heat exchange pond;
Said warm water cistern has the water of useless waste heat in order to deposit;
The 4th heat exchange pond has the hot water input port, communicates with said warm water cistern, and in order to receive the hot water of warm water cistern output, the 4th heat exchange pond also has the cold water delivery outlet;
First heat pump assembly comprises: condenser and evaporator are arranged at respectively in said high heating value energy output subsystem and the 4th heat exchange pond; The evaporator of first heat pump assembly absorbs the heat of water in the 4th heat exchange pond, and the condenser of first heat pump assembly discharges the high heating value energy to said high heating value energy output subsystem;
Said control unit is used to control the valve of said hot water input port and cold water delivery outlet, water in the 4th heat exchange pond is flowed out from said cold water delivery outlet after, be replaced by the water that flows into from said warm water cistern.
Further, first heat pump assembly also comprises: compressor, choke valve, refrigerant cycle pipeline; Wherein, said compressor, condenser, choke valve, evaporator link to each other through said refrigerant cycle pipeline successively, constitute the circulation canal of the cold-producing medium of sealing;
Said compressor is used for said pressurizes refrigerant, gets into said condenser after making cold-producing medium become the gaseous state of HTHP;
Said condenser is specifically used the said cold-producing medium of condensation liquefaction, makes said cold-producing medium become liquid, and the heat release that said cold-producing medium is discharged is in said high heating value energy output subsystem;
Said choke valve is used for the cold-producing medium that flows out from said condenser is reduced pressure, and makes said cold-producing medium become low-temp low-pressure liquid;
Said evaporation apparatus body is used for absorbing the heat of the 4th heat exchange pond water, and the evaporation gasification makes said cold-producing medium become gaseous state from the cold-producing medium that said choke valve flows out.
Second heat pump assembly comprises: be arranged at the evaporator in the 3rd heat exchange pond and be arranged at the condenser in the said warm water cistern; The evaporator of second heat pump assembly absorbs the heat of the flow media in the 3rd heat exchange pond, the water release heat of the condenser of second heat pump assembly in said warm water cistern.
Second heat pump assembly also comprises: compressor, choke valve, refrigerant cycle pipeline; Wherein, the compressor of second heat pump assembly, condenser, choke valve, evaporator link to each other through the refrigerant cycle pipeline of second heat pump assembly successively, constitute the circulation canal of the cold-producing medium of sealing;
The compressor of second heat pump assembly is used for said pressurizes refrigerant, gets into said condenser after making cold-producing medium become the gaseous state of HTHP;
The condenser of second heat pump assembly is specifically used the said cold-producing medium of condensation liquefaction, makes said cold-producing medium become liquid, and the heat release that said cold-producing medium is discharged is in said high heating value energy output subsystem;
The choke valve of second heat pump assembly is used for the cold-producing medium that flows out from said condenser is reduced pressure, and makes said cold-producing medium become low-temp low-pressure liquid;
The evaporation apparatus body of second heat pump assembly is used for absorbing the heat of the 4th heat exchange pond water, and the evaporation gasification makes said cold-producing medium become gaseous state from the cold-producing medium that said choke valve flows out.
The embodiment of the invention is because owing to utilize heat pump techniques; Make the medium of thermal generator cold junction keep low-temperature condition; The thermal generator cold junction needn't communicate with running water or well water through pipeline; So that continual cold flow media to be provided, thereby make the occasion that thermal generator can be applied in does not need extraneous low-temperature receiver.And, also reclaim the energy of the cold junction release that has utilized thermal generator 203 through heat pump, and after consuming part energy, generate electricity for the hot junction absorption of thermal generator to the flow media release heat in the first heat exchange pond of flowing through through condenser; That is to say that recycled the energy that the thermal generator cold junction discharges, behind additional certain energy, the hot junction that makes it again to be used for thermal generator reaches the purpose that reduces hot driving for generating.Employing high-efficiency heat pump technology, the conversion power generation repeatedly of realization heat converts electric energy into, the realization zero discharge up to 100%.
Further; The embodiment of the invention is with low-calorie useless remaining hot water; After concentrating concentrated energy, produce the new support that contains the high heating value energy, utilize high heating value energy output electric energy again, reclaim low-calorie useless waste heat thereby can make full use of through the heat pump that consumes less energy; Improve the usability again and the economy of useless waste heat, reach further energy savings, reduce purpose the environment hot driving.
As everyone knows, electric energy is a kind of more convenient and widely used energy, thereby has further improved the usability again of useless waste heat.In fact, though the compressor of first heat pump assembly will consume a part of electric energy, absorbed the useless waste heat in the useless waste heat aggregation sub-systems owing to utilize, make thermal generator output electric energy will be higher than the electric energy that compressor consumes.Find out thus,, make behind the useless waste heat lifting calorific value, can export to have and more fit the electric energy that generally uses, reach the purpose of energy savings through the technical scheme of the embodiment of the invention.
Description of drawings
Fig. 1 is the thermal generator generating sketch map of prior art;
Fig. 2 a is the thermo-electric generation system structural representation of the embodiment of the invention one;
Fig. 2 b, 2c are the thermal generator internal structure sketch map of the embodiment of the invention one;
Fig. 3 is the thermo-electric generation system block diagram representation of the useless waste heat of recycling of the embodiment of the invention two;
Fig. 4 is the thermo-electric generation system structural representation of the useless waste heat of recycling of the embodiment of the invention two.
Embodiment
Main thought of the present invention is for utilizing heat pump techniques; Make the medium of thermal generator cold junction keep low-temperature condition; The thermal generator cold junction needn't communicate with running water or well water through pipeline; So that continual cold flow media to be provided, thereby make the occasion that thermal generator can be applied in does not need extraneous low-temperature receiver.Specify the technical scheme of the embodiment of the invention below in conjunction with accompanying drawing.
Embodiment one
Thermo-electric generation system referring to the embodiment of the invention shown in Figure 2 comprises: thermal generator 203, heat pump assembly (among the figure mark), the first heat exchange pond 204, the second heat exchange pond 205.Wherein, heat pump assembly specifically comprises: condenser 211, compressor 212, evaporator 213, refrigerant cycle pipeline 214, choke valve 215.
Condenser 211 is arranged in the first heat exchange pond 204; Evaporator 213 is arranged in the second heat exchange pond 205.
The flow media warp first heat exchange pond 204 of the heat that from thermal source, flows out, the hot junction 203 of the thermal generator of flowing through.Particularly, an end in the first heat exchange pond 204 links to each other with thermal source, and the other end communicates with the hot junction inlet of thermal generator 203.Thermal source can continue to provide the flow media of heat, and for example, boiler provides the water that burns heat, and the water or the wet goods of heating perhaps is provided through technology such as heat pump, solar energy.The flow media of heat for example can be 160 ℃ a conduction oil, perhaps 300 ℃ hot water.After the hot junction of thermal generator 203 absorbed the heat of hot flow media, this flow media flowed out from the hot junction outlet of thermal generator 203.The flow media that flows out from the hot junction outlet of thermal generator 203 often has higher calorific value, can also be back to thermal source, replenishes energy continued flows to thermal generator 203 through the first heat exchange pond 204 hot junction.
From the cold flow media that flow out in the second heat exchange pond 205, the cold junction of the thermal generator 203 of flowing through is back to the second heat exchange pond 205.Particularly, the second heat exchange pond 205 communicates with the cold junction of thermal generator 203, in order to the cold junction to thermal generator 203 cold flow media is provided, like the water of 30 ℃ or 10 ℃.Flow media in the first heat exchange pond 204 or the second heat exchange pond 205 specifically can be water, oil or other medium.
Accompany a plurality of thermo-electric generation sheets between the cold junction of thermal generator 203 and the hot junction, can constitute one group of thermo-electric generation sheet group through series connection or parallelly connected perhaps connection in series-parallel hybrid mode between the thermo-electric generation sheet.Thermo-electric generation sheet group is under the action of thermal difference of cool and heat ends, and to certain voltage, the electric current of load output, the port that is used for output voltage, electric current is the voltage output end of thermal generator 203.Thermal generator 203 is exported electric energy from voltage output end to load.Further, the voltage output end of thermal generator 203 also can be to load output electric energy behind voltage stabilizing circuit, rectification circuit.
Compressor 212, evaporator 213, choke valve 215, condenser 211 link to each other through refrigerant cycle pipeline 214 successively, constitute the circulation canal of the cold-producing medium of sealing.The flow direction of cold-producing medium in circulation canal is: flow from the direction of compressor 212 to condenser 211.
Cold-producing medium is compressed machine 212 pressurization, become the gaseous state of HTHP after, get into condenser 211.The condenser 211 of heat pump assembly is arranged in the first heat exchange pond 204.Condenser 211 condensation liquefaction cold-producing mediums make cold-producing medium become liquid, cold-producing medium heat release in become liquid process by gaseous state, and condenser 211 is to the flow media release heat in the first heat exchange pond 204 of flowing through.
Liquid refrigerant flows out the back from condenser 211 and gets into choke valve 215, after choke valve 215 reduces pressure, becomes low-temp low-pressure liquid, gets into evaporator 213.The evaporator 213 of heat pump assembly is arranged in the second heat exchange pond 205, and evaporator 213 is drawn the heat of flow media cold in the second heat exchange pond 205, and evaporation gasification cold-producing medium makes said cold-producing medium become gaseous state.The cold-producing medium of gaseous state is back to compressor 212 again through the refrigerant cycle pipeline, and compressor 212 compresses once more, repeats above-mentioned operation.
Because evaporator 213 is drawn the heat of flow media in the second heat exchange pond 205; Make that flow media remains on low-temperature condition in the second heat exchange pond 205, thereby cold flow media can be provided to the cold junction of thermal generator 203, the cold junction of thermal generator 203 is after cold flow media release heat; The heat of this flow media will continue to be absorbed by the evaporator in the second heat exchange pond 205 213; Like this, kept the heat of thermal generator 203, the temperature difference of cold junction, and needn't communicate with running water or well water through pipeline; So that continual cold flow media to be provided, thereby make thermal generator can be applied in more conditions.And, also reclaim energy that the cold junction utilized thermal generator 203 discharges, reduce hot driving environment.
A kind of concrete structure of thermal generator can also comprise shown in Fig. 2 b or 2c: at least one hot junction, with the corresponding cold junction of hot junction quantity, with the corresponding thermo-electric generation sheet group of cool and heat ends sum; Wherein, cool and heat ends is spaced, and between the cold junction of every pair of adjacent arrangement and hot junction, accompanies one group of thermo-electric generation sheet.
Wherein, specifically comprise with the corresponding cold junction of hot junction quantity: cold junction quantity is identical with hot junction quantity; Perhaps, cold junction quantity specific heat terminal number amount is many 1; Perhaps, cold junction quantity specific heat terminal number amount is few 1.
Be specially with the corresponding thermo-electric generation sheet group of cool and heat ends sum: thermo-electric generation sheet group quantity is lacked 1 than cool and heat ends is total.
For example, 1 hot junction is arranged in the thermal generator shown in Fig. 2 b, with the corresponding cold junction of hot junction quantity be 2.Cool and heat ends adds up to 3, with the corresponding temperature difference sheet group of cool and heat ends sum be 2.Cool and heat ends is spaced, between every pair of cold junction and hot junction, accompanies one group of thermo-electric generation sheet.
For another example, 2 hot junctions are arranged in the thermal generator shown in Fig. 2 c, with the corresponding cold junction of hot junction quantity be 2.Cool and heat ends adds up to 4, with the corresponding temperature difference sheet group of cool and heat ends sum be 3.Cool and heat ends is spaced, between every pair of cold junction and hot junction, accompanies one group of thermo-electric generation sheet.
The embodiment of the invention one is owing to utilize heat pump techniques; Make the medium of thermal generator cold junction keep low-temperature condition; The thermal generator cold junction needn't communicate with running water or well water through pipeline; So that continual cold flow media to be provided, do not need the extraneous occasion that continues to replenish cold flow media thereby make thermal generator to be applied in.And, also reclaim the energy of the cold junction release that has utilized thermal generator 203 through heat pump, and after consuming part energy, generate electricity for the hot junction absorption of thermal generator to the flow media release heat in the first heat exchange pond of flowing through through condenser; That is to say that recycled the energy that the thermal generator cold junction discharges, behind additional certain energy, the hot junction that makes it again to be used for thermal generator reaches the purpose that reduces hot driving for generating.Employing high-efficiency heat pump technology, the conversion power generation repeatedly of realization heat converts electric energy into, the realization zero discharge up to 100%.
Embodiment two
Further, can also recycle useless waste heat supplies power.The another kind of thermo-electric generation system that the embodiment of the invention two provides is referring to shown in Figure 3, and it comprises: useless waste heat aggregation sub-systems 301, first heat pump assembly 302, high heating value energy output subsystem 303, thermal generator 203, the 3rd heat exchange pond 305, second heat pump assembly 304.
Wherein, first heat pump assembly 302 and second heat pump assembly 304 include condenser 211, compressor 212, evaporator 213, refrigerant cycle pipeline 214, choke valve 215.The function of the condenser 211 of first heat pump assembly 302 and second heat pump assembly 304, compressor 212, evaporator 213, refrigerant cycle pipeline 214, choke valve 215 and operation principle and the foregoing description one heat pump assembly identical repeated no more here.
Useless waste heat aggregation sub-systems 301 has the flow media of useless waste heat in order to deposit, for example, has the water of useless waste heat.Water with useless waste heat can be the industrial wastewater with useless waste heat of enterprise's discharging, and temperature can reach 50-70 ℃, even higher; Water with useless waste heat can also be the domestic hot-water, the general 40-50 of temperature ℃; Water with useless waste heat can also be to have gathered the water of heating behind the solar energy, and temperature can be 50-70 ℃, even higher; Water with useless waste heat can also be the water in other sources such as GEOTHERMAL WATER.
First heat pump assembly 302 is in order to absorbing the useless waste heat of the flow media in the useless waste heat aggregation sub-systems 301, and after replenishing certain energy, produces the high heating value energy.
Have mobile medium (being flow media) in the high heating value energy output subsystem 303, the flow media in the high heating value energy output subsystem 303 becomes high-temperature medium in order to absorb the high heating value energy that first heat pump assembly 302 is produced.For example, the temperature after absorbing the high heating value energy of the medium in the high heating value energy output subsystem 303 can reach 300 ℃, even higher, for example more than 300 ℃, and 150-200 ℃.Because the high heating value energy has general applicability, for example can be used for generating electricity, thereby make useless waste heat have higher usability again.
The hot junction of thermal generator 203 contacts with the flow media of output from high heating value energy output subsystem 303, draws from the heat of the flow media of high heating value energy output subsystem 303 outputs; The cold junction of thermal generator 203 is to the cold flow media release heat of flowing through.Under the action of thermal difference between hot junction and the cold junction, the thermo-electric generation sheet of thermal generator 203 will produce voltage, thereby the voltage output end of thermal generator 203 is exported electric energy to load.Further, the voltage output end of thermal generator 203 also can be to load output electric energy behind voltage stabilizing circuit, rectification circuit.
The flow media that flows through the cold junction of thermal generator 203 specifically can be a flowing cold water, and for example temperature is 30 ℃ the cold junction of cold water through thermal generator 203; Also can be flow air, at the cold junction of thermal generator 203 heat abstractor is installed, the cold junction of thermal generator 203 be through heat abstractor release heat in air.
The 3rd heat exchange pond 305 communicates with the cold junction of thermal generator 203, stores cold flow media in the 3rd heat exchange pond 305.Flow media flows out from the 3rd heat exchange pond 305, and through the cold junction of thermal generator 203 the 3rd heat exchange pond 305 of refluxing again, thereby the cold junction of thermal generator 203 can be realized the flow media release heat in the 3rd heat exchange pond 305.
Second heat pump assembly 304 is in order to absorbing the heat of the flow media in the 3rd heat exchange pond 305, and after makeup energy to useless waste heat aggregation sub-systems 301 quantities of heat given up.
Particularly, as shown in Figure 4, useless waste heat aggregation sub-systems 301 can comprise warm water cistern 401, the 4th heat exchange pond 402.
Warm water cistern 401 has the water of useless waste heat in order to deposit.For example, the hot water in the warm water cistern 401 can be the domestic water of the heat of recovery, as the water after having a bath; In addition, the hot gas of smoke exhaust ventilator output also can be recycled meal kitchen waste heat through discharge of pipes in the water of warm water cistern 401; Perhaps, the hot water in the warm water cistern 401 can be the industrial wastewater with useless waste heat of enterprise's discharging; Again perhaps; Above industrial enterprise's chimney, spray head has been installed, when waste gas when chimney is discharged, open spray head ejection cold water; Behind the cold water of waste gas via spray head ejection, cold water has absorbed that the heat in the waste gas becomes warm water or hot water flows to the water that becomes deposit in the warm water cistern 401; Again perhaps, the water of deposit can be from the heat content of underground collection lower hot spring or GEOTHERMAL WATER in the warm water cistern 401; Again perhaps, in the warm water cistern 401 water of deposit can be discharge in the industrial enterprise cooling link have low-calorie waste water, a waste liquid, perhaps absorbed the low heat value water of the heat in the exhaust gas discharged.
The 4th heat exchange pond 402 has the hot water input port, communicates with warm water cistern 401 through pipeline, in order to receive the hot water of warm water cistern 401 outputs; The 4th heat exchange pond 402 also has one or more cold water delivery outlets, in order to outside output cold water.Hot water input port and cold water delivery outlet in the 4th heat exchange pond 402 are provided with valve, the outflow of controlled water flow or flow to.Controlled water flow can be to utilize potential difference from the mode that warm water cistern 401 flows to the 4th heat exchange pond 402, and the water of making way in the warm water cistern 401 of eminence flows in the 4th heat exchange pond 402; Also can be to utilize water pump that water is drawn into the 4th heat exchange pond 402 from warm water cistern 401.
First heat pump assembly 302 comprises: condenser 211, compressor 212, evaporator 213, refrigerant cycle pipeline 214, choke valve 215, control unit (not marking among the figure).Wherein, condenser 211 is arranged in the high heating value energy output subsystem 303; Evaporator 213 is arranged in the 4th heat exchange pond 402.
Identical in the operation principle of the condenser 211 of first heat pump assembly 302, compressor 212, evaporator 213, refrigerant cycle pipeline 214, choke valve 215 and the foregoing description one, repeat no more here.
The heat release that condenser 211 discharges cold-producing medium in high heating value energy output subsystem 303, thereby the temperature of the medium in the high heating value energy output subsystem 303 is raise.Medium in the high heating value energy output subsystem 303 can be to have mobile medium, for example, and air, water, perhaps oily, perhaps aquation steam.After these media have absorbed the heat of condenser 211 releases, and, make the useless waste heat that absorbs from evaporator be able to utilize once more with energy output.For example, the flow media of high heating value energy output subsystem 303 output high temperature, like high-temperature water or high temperature heat conductive oil, perhaps high-temperature steam is waited until the hot junction of thermal generator 203, the hot junction of thermal generator 203 absorbs heat; The cold junction of while thermal generator 203 is to the cold flow media release heat that flows through, thereby the voltage output end of thermal generator 203 can be exported electric energy to load; The flow media of high heating value energy output subsystem 303 outputs afterwards is back to again in the high heating value energy output subsystem 303.The flow media of high heating value energy output subsystem 303 flows out, behind the hot junction of thermal generator 203, flows into again; Move in circles, can realize the circulation of flow media through the pump that is provided with in the pump that is provided with in the high heating value energy output subsystem 303 or the circulating line.
Liquid refrigerant flows out the back from condenser 211 and gets into choke valve 215, after choke valve 215 reduces pressure, becomes low-temp low-pressure liquid, gets into evaporator 213.Evaporator 213 is drawn the heat of water in the 4th heat exchange pond 402, and evaporation gasification cold-producing medium makes said cold-producing medium become gaseous state.The cold-producing medium of gaseous state is back to compressor 212 again through the refrigerant cycle pipeline, and compressor 212 compresses once more, repeats above-mentioned operation.
Because the 4th heat exchange pond 402 receives from the hot water of warm water cistern 401 outputs, has certain calorific value, for example the water in the 4th heat exchange pond 402 reaches more than 60 ℃; So, evaporator 213 has absorbed the heat of useless waste heat, and through the compressor work done; After promptly replenishing certain energy; Thereby produced the energy of high heating value at condenser 211,, also just made the medium temperature in the high heating value energy output subsystem 303 reach more than 300 ℃ such as making the temperature of condenser 211 reach more than 300 ℃.After these media have absorbed the heat of condenser 211 releases, become the medium of high temperature.
Along with the evaporator 213 continuous heats that absorb water in the 4th heat exchange pond 402, the temperature of the water in the 4th heat exchange pond 402 is more and more lower.Control unit is in order to the hot water input port of controlling the 4th heat exchange pond 402 and the valve of cold water delivery outlet, the water that turns cold in the 4th heat exchange pond 402 is flowed out from the cold water delivery outlet after, be replaced by the water that flows into from warm water cistern 401.
Particularly, in the 4th heat exchange pond 402, can be provided with first temperature sensor, be used for detecting the temperature of the 4th heat exchange pond 402 water.Along with evaporator 213 is constantly drawn the heats of water in the 4th heat exchange pond 402, make that the temperature of water is more and more lower in the 4th heat exchange pond 402.Be lower than setting threshold if valve control unit is judged the temperature value that receives from first temperature sensor, then control unit is controlled the valve opening of the cold water delivery outlet in the 4th heat exchange pond 402, and the cold water in the 4th heat exchange pond 402 flows out via the cold water delivery outlet.The cold water that flows out both can directly be discharged to sewer, also can be utilized as water such as flush the toilet once more.Setting threshold can confirm that for example, setting threshold is 30 ℃ according to actual conditions.
After control unit is controlled the valve opening of cold water delivery outlet in the 4th heat exchange pond 402, through the time period A that sets, the valve closing of control cold water delivery outlet.Time period A can set according to actual conditions, and for example setting-up time section A is half a minute.
Control unit is controlled the valve opening of hot water input port behind the valve closing of control cold water delivery outlet.Hot water in the warm water cistern 401 flows to the 4th heat exchange pond 402 through the hot water input port.Control unit through the time period B that sets, is controlled the valve closing of hot water input port behind the valve opening of control hot water input port.Time period B can set according to actual conditions, and for example setting-up time section B is half a minute.Certainly, also can control the valve closing of hot water input port:, confirm that the water level that detects surpasses the water level position of setting, and then controls the valve closing of hot water input port when the water level that control unit detects according to level detection sensor through other method.
Be provided with second temperature sensor in the high heating value energy output subsystem 303, be used for detecting the temperature of the medium of high heating value energy output subsystem 303.The temperature that control unit detects according to second temperature sensor, the start and stop of control compressor 212 are so that the temperature maintenance of the medium in the high heating value energy output subsystem 303 is in certain temperature range.For example, need be between 145-160 ℃ with the temperature maintenance of the medium in the high heating value energy output subsystem 303, then, control unit starts compressor 212 when confirming that temperature that second temperature sensor detects is lower than 145 ℃; Confirm the temperature of second temperature sensor detection when control unit and stop compressor 212 when being higher than 160 ℃.
In technical scheme shown in Figure 4; The cold flow media of cold junction contact of thermal generator 203; After cold flow media absorbs the heat heating; Can also further reclaim the useless waste heat of flow media: the flow media after the heating of the cold junction output of thermal generator 203 enters into the 3rd heat exchange pond 305.The evaporator 213 of second heat pump assembly 304 is arranged in the 3rd heat exchange pond 305, in order to absorbing the heat of flow media in the 3rd heat exchange pond 305, thereby flow media is turned cold once more; The condenser 211 of second heat pump assembly 304 is arranged in the warm water cistern 401, to the water release heat of 401 li of warm water cisterns.Like this, the cold flow media that the temperature former thereby that constantly more renew that just needn't raise because of cold flow media heat absorption back temperature is low, the heat that has utilized thermal generator 203 cold junctions to be discharged also reclaimed simultaneously.
The function and the operation principle of the compressor 212 of the compressor 212 of second heat pump assembly 304, refrigerant cycle pipeline 214, choke valve 215 etc. and first heat pump assembly 302, refrigerant cycle pipeline 214, choke valve 215 are identical:
The compressor of second heat pump assembly 304, condenser, choke valve, evaporator link to each other through the refrigerant cycle pipeline of second heat pump assembly 304 successively, constitute the circulation canal of the cold-producing medium of sealing;
The compressor of second heat pump assembly 304 is used for said pressurizes refrigerant, gets into said condenser after making cold-producing medium become the gaseous state of HTHP;
The condenser of second heat pump assembly 304 is specifically used the said cold-producing medium of condensation liquefaction, makes said cold-producing medium become liquid, and the heat release that said cold-producing medium is discharged is in said high heating value energy output subsystem;
The choke valve of second heat pump assembly 304 is used for the cold-producing medium that flows out from said condenser is reduced pressure, and makes said cold-producing medium become low-temp low-pressure liquid;
The evaporation apparatus body of second heat pump assembly 304 is used for absorbing the heat of the 4th heat exchange pond water, and the evaporation gasification makes said cold-producing medium become gaseous state from the cold-producing medium that said choke valve flows out.
The embodiment of the invention two is owing to utilize heat pump techniques; Make the medium of thermal generator cold junction keep low-temperature condition; The thermal generator cold junction needn't communicate with running water or well water through pipeline; So that continual cold flow media to be provided, thereby make the occasion that thermal generator can be applied in does not need extraneous low-temperature receiver.
Further; The embodiment of the invention two is with low-calorie useless remaining hot water; After concentrating concentrated energy, produce the new support that contains the high heating value energy, utilize high heating value energy output electric energy again, reclaim low-calorie useless waste heat thereby can make full use of through the heat pump that consumes less energy; Improve the usability again and the economy of useless waste heat, reach further energy savings, reduce purpose the environment hot driving.
As everyone knows, electric energy is a kind of more convenient and widely used energy, thereby has further improved the usability again of useless waste heat.In fact, though the compressor of first heat pump assembly will consume a part of electric energy, absorbed the useless waste heat in the useless waste heat aggregation sub-systems owing to utilize, make thermal generator output electric energy will be higher than the electric energy that compressor consumes.Find out thus,, make behind the useless waste heat lifting calorific value, can export to have and more fit the electric energy that generally uses, reach the purpose of energy savings through the technical scheme of the embodiment of the invention.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.

Claims (10)

1. a thermo-electric generation system comprises: thermal generator, heat pump assembly, the first heat exchange pond, the second heat exchange pond;
The flow media warp first heat exchange pond of the heat that from thermal source, flows out, the hot junction of the said thermal generator of flowing through;
The cold flow media that flows out from the second heat exchange pond, the cold junction of the said thermal generator of flowing through is back to the second heat exchange pond;
The condenser of said heat pump assembly is arranged in the first heat exchange pond, the flow media release heat to the first heat exchange pond of flowing through; The evaporator of said heat pump assembly is arranged in the second heat exchange pond, absorbs the heat of the flow media in the second heat exchange pond;
The voltage output end of said thermal generator is exported electric energy to load.
2. the system of claim 1 is characterized in that, said heat pump assembly also comprises: compressor, choke valve, refrigerant cycle pipeline; Wherein, said compressor, condenser, choke valve, evaporator link to each other through said refrigerant cycle pipeline successively, constitute the circulation canal of the cold-producing medium of sealing;
Said compressor is used for said pressurizes refrigerant, gets into said condenser after making cold-producing medium become the gaseous state of HTHP;
Said condenser is specifically used the said cold-producing medium of condensation liquefaction, makes said cold-producing medium become liquid, and the heat release that said cold-producing medium is discharged is in the flow media in the first heat exchange pond of flowing through;
Said choke valve is used for the cold-producing medium that flows out from said condenser is reduced pressure, and makes said cold-producing medium become low-temp low-pressure liquid;
Said evaporation apparatus body is used for absorbing the heat of the flow media in the second heat exchange pond, and the evaporation gasification makes said cold-producing medium become gaseous state from the cold-producing medium that said choke valve flows out.
3. according to claim 1 or claim 2 system is characterized in that, the voltage output end of said thermal generator behind voltage stabilizing circuit, rectification circuit to load output electric energy.
4. according to claim 1 or claim 2 system is characterized in that said thermal generator comprises: a plurality of hot junctions, and number and the corresponding cold junction of hot junction quantity, number and the corresponding thermo-electric generation sheet of hot junction quantity group; Wherein, cool and heat ends is spaced, and clamping connection has one group of thermo-electric generation sheet between the cold junction of every pair of adjacent arrangement and hot junction.
5. thermal generator comprises: at least one hot junction, and with the corresponding cold junction of hot junction quantity, with the corresponding thermo-electric generation sheet group of cool and heat ends sum; Wherein, cool and heat ends is spaced, and between the cold junction of every pair of adjacent arrangement and hot junction, accompanies one group of thermo-electric generation sheet.
6. thermo-electric generation system comprises:
Useless waste heat aggregation sub-systems contains the flow media of useless waste heat in order to storage;
First heat pump assembly in order to absorbing the useless waste heat of the flow media in the said useless waste heat aggregation sub-systems, and produces the high heating value energy after makeup energy;
High heating value energy output subsystem, the flow media in the said high heating value energy output subsystem is in order to absorb the high heating value energy that first heat pump assembly is produced;
Thermal generator, its hot junction contacts draw heat with the flow media of said high heating value energy output subsystem output;
The 3rd heat exchange pond is used to store cold flow media; The flow media release heat of the cold junction of said thermal generator in the 3rd heat exchange pond;
Second heat pump assembly, in order to absorbing the heat of the flow media in the 3rd heat exchange pond, and after makeup energy to said useless waste heat aggregation sub-systems quantity of heat given up.
7. system as claimed in claim 6 is characterized in that, in the said useless waste heat aggregation sub-systems flow media be specially water; And said useless waste heat aggregation sub-systems comprises: warm water cistern and the 4th heat exchange pond;
Said warm water cistern has the water of useless waste heat in order to deposit;
The 4th heat exchange pond has the hot water input port, communicates with said warm water cistern, and in order to receive the hot water of warm water cistern output, the 4th heat exchange pond also has the cold water delivery outlet;
First heat pump assembly comprises: condenser and evaporator are arranged at respectively in said high heating value energy output subsystem and the 4th heat exchange pond; The evaporator of first heat pump assembly absorbs the heat of water in the 4th heat exchange pond, and the condenser of first heat pump assembly discharges the high heating value energy to said high heating value energy output subsystem;
Said control unit is used to control the valve of said hot water input port and cold water delivery outlet, water in the 4th heat exchange pond is flowed out from said cold water delivery outlet after, be replaced by the water that flows into from said warm water cistern.
8. system as claimed in claim 7 is characterized in that, first heat pump assembly also comprises: compressor, choke valve, refrigerant cycle pipeline; Wherein, said compressor, condenser, choke valve, evaporator link to each other through said refrigerant cycle pipeline successively, constitute the circulation canal of the cold-producing medium of sealing;
Said compressor is used for said pressurizes refrigerant, gets into said condenser after making cold-producing medium become the gaseous state of HTHP;
Said condenser is specifically used the said cold-producing medium of condensation liquefaction, makes said cold-producing medium become liquid, and the heat release that said cold-producing medium is discharged is in said high heating value energy output subsystem;
Said choke valve is used for the cold-producing medium that flows out from said condenser is reduced pressure, and makes said cold-producing medium become low-temp low-pressure liquid;
Said evaporation apparatus body is used for absorbing the heat of the 4th heat exchange pond water, and the evaporation gasification makes said cold-producing medium become gaseous state from the cold-producing medium that said choke valve flows out.
9. system as claimed in claim 8 is characterized in that, second heat pump assembly comprises: be arranged at the evaporator in the 3rd heat exchange pond and be arranged at the condenser in the said warm water cistern; The evaporator of second heat pump assembly absorbs the heat of flow media in the 3rd heat exchange pond, the water release heat of the condenser of second heat pump assembly in said warm water cistern.
10. system as claimed in claim 9 is characterized in that, second heat pump assembly also comprises: compressor, choke valve, refrigerant cycle pipeline; Wherein, the compressor of second heat pump assembly, condenser, choke valve, evaporator link to each other through the refrigerant cycle pipeline of second heat pump assembly successively, constitute the circulation canal of the cold-producing medium of sealing;
The compressor of second heat pump assembly is used for said pressurizes refrigerant, gets into said condenser after making cold-producing medium become the gaseous state of HTHP;
The condenser of second heat pump assembly is specifically used the said cold-producing medium of condensation liquefaction, makes said cold-producing medium become liquid, and the heat release that said cold-producing medium is discharged is in said high heating value energy output subsystem;
The choke valve of second heat pump assembly is used for the cold-producing medium that flows out from said condenser is reduced pressure, and makes said cold-producing medium become low-temp low-pressure liquid;
The evaporation apparatus body of second heat pump assembly is used for absorbing the heat of the 4th heat exchange pond water, and the evaporation gasification makes said cold-producing medium become gaseous state from the cold-producing medium that said choke valve flows out.
CN2012101181518A 2012-04-19 2012-04-19 Temperature-difference power generation system Pending CN102780424A (en)

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CN105186661A (en) * 2015-08-10 2015-12-23 中国计量学院 Portable automatic temperature-adjusting pressure-regulating water spray and lighting apparatus
CN105226998A (en) * 2015-09-30 2016-01-06 天津大学 A kind of temperature difference electricity generation device and electric power system utilizing boiler slag-cooling hydro-thermal amount
CN106703760A (en) * 2016-12-29 2017-05-24 延安能源化工(集团)能新科油气技术工程有限公司 Geothermal horizontal well mining system and method
CN107837430A (en) * 2017-12-14 2018-03-27 山东科技大学 A kind of magnetic suspension shaft streaming self power generation artificial heart pump
CN112377642A (en) * 2020-11-11 2021-02-19 厦门大白科技有限公司 Control valve group and faucet and shower with same
CN112443387A (en) * 2020-10-22 2021-03-05 上海常田实业有限公司 Engine energy-saving heat dissipation system for excavator
CN112880168A (en) * 2021-02-05 2021-06-01 陈忠海 Air conditioner waste heat recovery power generation system
CN112910377A (en) * 2021-01-29 2021-06-04 上海第二工业大学 Photovoltaic thermoelectric heat pump coupling system
WO2022007918A1 (en) * 2020-07-09 2022-01-13 林曦 Waste heat energy conversion system
CN116436340A (en) * 2023-05-26 2023-07-14 中国原子能科学研究院 Thermoelectric generation device and nuclear power source

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105186661A (en) * 2015-08-10 2015-12-23 中国计量学院 Portable automatic temperature-adjusting pressure-regulating water spray and lighting apparatus
CN105186661B (en) * 2015-08-10 2017-10-24 中国计量大学 Portable self-temperature-regulating pressure regulation water spray and lighting device
CN105226998A (en) * 2015-09-30 2016-01-06 天津大学 A kind of temperature difference electricity generation device and electric power system utilizing boiler slag-cooling hydro-thermal amount
CN106703760A (en) * 2016-12-29 2017-05-24 延安能源化工(集团)能新科油气技术工程有限公司 Geothermal horizontal well mining system and method
CN106703760B (en) * 2016-12-29 2023-04-18 延安能源服务有限公司 Geothermal horizontal well mining system and method
CN107837430A (en) * 2017-12-14 2018-03-27 山东科技大学 A kind of magnetic suspension shaft streaming self power generation artificial heart pump
CN107837430B (en) * 2017-12-14 2024-03-19 山东科技大学 Magnetic suspension axial flow type self-generating artificial heart pump
WO2022007918A1 (en) * 2020-07-09 2022-01-13 林曦 Waste heat energy conversion system
CN112443387A (en) * 2020-10-22 2021-03-05 上海常田实业有限公司 Engine energy-saving heat dissipation system for excavator
CN112377642A (en) * 2020-11-11 2021-02-19 厦门大白科技有限公司 Control valve group and faucet and shower with same
CN112910377A (en) * 2021-01-29 2021-06-04 上海第二工业大学 Photovoltaic thermoelectric heat pump coupling system
CN112880168A (en) * 2021-02-05 2021-06-01 陈忠海 Air conditioner waste heat recovery power generation system
CN116436340A (en) * 2023-05-26 2023-07-14 中国原子能科学研究院 Thermoelectric generation device and nuclear power source
CN116436340B (en) * 2023-05-26 2024-03-22 中国原子能科学研究院 Thermoelectric generation device and nuclear power source

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Application publication date: 20121114