CN202598953U - Waste heat recovery system - Google Patents
Waste heat recovery system Download PDFInfo
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- CN202598953U CN202598953U CN 201220055416 CN201220055416U CN202598953U CN 202598953 U CN202598953 U CN 202598953U CN 201220055416 CN201220055416 CN 201220055416 CN 201220055416 U CN201220055416 U CN 201220055416U CN 202598953 U CN202598953 U CN 202598953U
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Abstract
The utility model discloses a waste heat recovery system. The system comprises: a waste heat gathering subsystem for storing water or medium with waste heat; a high heating value energy generation subsystem for absorbing waste heat in water or medium stored in the waste heat gathering subsystem, and generating high heating value energy after accumulation supplement of absorbed energy; and a high heating value energy output subsystem for storing medium with fluidity and outputting the absorbed energy with the medium, wherein the medium accumulates and absorbs the high heating value energy generated by the high heating value energy generation subsystem. Since the waste heat or medium with a low heating value generates new medium containing high heating value energy after absorption and accumulation of energy, the available value of the new medium is far higher than that of the original water or medium containing waste heat, and is worthy of and capable of transmission, sale, and reuse, thereby realizing recovery of waste heat in water or medium with a low heating value, and reaching the purpose of fully using energy and reducing heat discharge to environment.
Description
Technical field
The utility model relates to energy-conserving and emission-cutting technology, relates in particular to a kind of waste heat that will give up and reclaims, and reduces the heat discharging to environment, and makes the medium that contains high heat of its output have the system of recycle value.
Background technology
Waste water or waste gas in many families or enterprise's discharge often have certain heat, and is higher than environment temperature.For example, water for bathing after the bathing of family's discharge and combined sewage, boiler room are from the hot gas of chimney discharge, the waste water of industrial enterprise's discharging etc., the afterheat steam of the last cooling tower discharge in power plant, the hot water that most of hot spring is discharged.These waste water and waste gas, waste vapour, hot water, usually institute's calorific value is not very high, for example 20-40 ℃ scope.Waste water that these heat content are low and waste gas often quantity are bigger, and do not transmit the value of utilizing again, thereby have all directly emitted, and promptly its heat content also finally all will directly be dispersed into external environment.Be not fully utilized, caused the waste of energy and, made global warming the hot driving of environment.
In order to reduce the waste of energy, available technology adopting certain methods utilize these useless waste heats.For example, cultured the fish that only in hot water, could grow to the spent hot water's purified treatment that contains heat afterwards, in agricultural product production and selling process, through obtaining in the scarcity of product than the higher income of similar common agricultural product; Perhaps, in the water of swimming pool, make the water temperature of swimming pool increase the low heat value energy conduction in waste water or the waste gas, practice thrift the energy resource consumption that swimming pool is used to heat.
But owing to can directly utilize the occasion of useless waste heat very limited, therefore, the efficient of recycling the useless waste heat of low heat value at present is not high, and recovery utilization rate is lower.
The utility model content
The utility model embodiment provides a kind of useless heat recovery system, in order to recycle useless waste heat, improves its sharp again value, reaches to recycle energy, reduce the purpose to the environment hot driving.
According to an aspect of the utility model, absorbing the spent hot water, adopt the steam-electric power process, exporting electric energy at last is example, and a kind of useless heat recovery system is provided, and comprising:
Useless waste heat aggregation sub-systems is in order to store or temporary transient water or other medium that contains useless waste heat that store;
The high heating value energy produces subsystem, in order to the useless waste heat of the water that absorbs said useless waste heat aggregation sub-systems deposit, and after the accumulation makeup energy, produces the high heating value energy;
High heating value energy output subsystem stores has mobile medium, and said medium produces the high heating value energy that subsystem produced in order to absorb the high heating value energy, and exports the energy of its absorption with medium.
Wherein, said useless waste heat aggregation sub-systems comprises: warm water cistern and heat exchange pond;
Said water cistern has the water of useless waste heat in order to deposit;
Said 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, said heat exchange pond also has the cold water delivery outlet;
Said high heating value energy produces subsystem and comprises: be arranged at the condenser in the said high heating value energy output subsystem and be arranged at the evaporimeter in the said heat exchange pond; Said high heating value energy produces subsystem and absorbs the heat of water in the said heat exchange pond through evaporimeter, discharges the high heating value energy through condenser to said high heating value energy output subsystem;
Said control module is used to control the valve of said hot water input port and cold water delivery outlet, water in the said 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.
Said high heating value energy produces subsystem and also comprises: compressor, choke valve, cold-producing medium circulating line; Wherein, said compressor, condenser, choke valve, evaporimeter link to each other through said cold-producing medium circulating line 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 that said cold-producing medium is discharged is discharged in the 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 and function absorbs the heat of water in the said 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.
Preferably, said medium is a water; And gasification was steam after said medium absorbed the said high heating value energy generation high heating value energy that subsystem produced, via the steam outlet output of said high heating value energy output subsystem.
Perhaps, said medium is other gas, liquid, oil; And said medium absorbs becomes high-temperature medium after said high heating value energy produces the high heating value energy that subsystem produced, via the outlet output of said high heating value energy output subsystem.
Further, said system also comprises: steam-driven generator;
The steam that said steam-driven generator uses said high heating value energy to produce subsystem output generates electricity.
Said steam outlet place is provided with pressure valve.
Preferably, said high heating value energy output subsystem comprises: the water supplementary device;
Said water supplementary device is in order to detect the water yield in the said high heating value energy output subsystem, and when the water yield was lower than setting value, the water input through said high heating value energy output subsystem carried out water to high heating value energy output subsystem and replenishes.
Further, said system also comprises: place the temperature sensor in said heat exchange pond, be used for detecting the temperature of said heat exchange pond water; And,
Said control module specifically is used for as if confirm the temperature of said temperature sensor detection less than setting value; Then: the valve of controlling said hot water input port and cold water delivery outlet; After water in the said heat exchange pond is flowed out from said cold water delivery outlet, be replaced by the water that flows into from said warm water cistern.
The water of laying in the said warm water cistern is the domestic water of the heat of recovery;
Perhaps, when waste gas when chimney is discharged, via the cold water of spray head ejection, said cold water becomes warm water or hot water after having absorbed the heat in the waste gas, said warm water or hot water become the water of laying in the said useless waste heat aggregation sub-systems;
Perhaps, the water of laying in the said useless waste heat aggregation sub-systems is hot spring or GEOTHERMAL WATER from underground collection;
Perhaps, the water of laying in the said useless waste heat aggregation sub-systems be discharge in the industrial enterprise cooling link have low-calorie waste water, a waste liquid.
The embodiment of the utility model is because with low-calorie useless remaining hot water; After concentrating concentrated energy, produce the new support that contains the high heating value energy through the heat pump that consumes less energy; And the utilizability of high heating value energy is far above the original carrier of low-calorie energy; Reclaim low-calorie useless waste heat thereby can make full use of, improve the usability again and the economy of useless waste heat, reach further energy savings, reduce purpose the environment hot driving.
Description of drawings
Fig. 1 is the useless heat recovery system block diagram of the utility model embodiment;
Fig. 2 is the useless heat recovery internal system structural representation of the utility model embodiment.
The specific embodiment
The main thought of the utility model is for consuming few portion of energy; What will contain that low-calorie useless waste heat converts that purposes is more extensive, utilizability is stronger into contains high heating value energy new medium, better, more effectively recycles energy, reduces the hot driving to environment thereby reach.Specify the technical scheme of the utility model below in conjunction with accompanying drawing.
Referring to shown in Figure 1 useless heat recovery system, comprising: useless waste heat aggregation sub-systems 101, high heating value energy produce subsystem 102, high heating value energy output subsystem 103.
Useless waste heat aggregation sub-systems 101 has the water of useless waste heat in order to deposit.
The high heating value energy produces the useless waste heat of subsystem 102 in order to the water that absorbs useless waste heat aggregation sub-systems 101 deposits, and after replenishing certain energy, produces the high heating value energy.
High heating value energy output subsystem 103 is exported the high heating value energy that high heating value energy generation subsystem 102 is produced, so that utilize once more.Particularly, have mobile medium in the high heating value energy output subsystem 103, said medium produces the high heating value energy that subsystem 102 is produced in order to absorb the high heating value energy, and outwards exports the energy that absorbs.Because the high heating value energy has general applicability, for example can be used for effects such as generating, heating, thereby make the waste heat that gives up have higher usability again.
Particularly, as shown in Figure 2, useless waste heat aggregation sub-systems 101 can comprise warm water cistern 201, heat exchange pond 202.
Warm water cistern 201 has the water of useless waste heat in order to deposit.For example, the hot water in the warm water cistern 201 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 201; Perhaps, the hot water in the warm water cistern 201 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 201; 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 201; Again perhaps, in the warm water cistern 201 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.In general, the coolant-temperature gage with useless waste heat of deposit can be too not high in the warm water cistern 201, often is lower than 60 ℃.
Heat exchange pond 202 has the hot water input port, communicates with warm water cistern 201 through pipeline, in order to receive the hot water of warm water cistern 201 outputs; Heat exchange pond 202 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 heat exchange pond 202 are provided with valve, control current outflow or flow to.The control current can be to utilize potential difference from the mode that warm water cistern 201 flows to heat exchange pond 202, and the water of making way in the warm water cistern 201 of eminence flows in the heat exchange pond 202; Also can be to utilize water pump that water is drawn into the heat exchange pond 202 from warm water cistern 201.
The high heating value energy produces subsystem 102 and comprises: condenser 211, compressor 212, evaporimeter 213, cold-producing medium circulating line 214, choke valve 215, control module (not marking among the figure).Wherein, condenser 211 is arranged in the high heating value energy output subsystem 103; Evaporimeter 213 is arranged in the heat exchange pond 202.
Compressor 212, evaporimeter 213, choke valve 215, condenser 211 link to each other through cold-producing medium circulating line 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.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; Condenser 211 is discharged into the heat that cold-producing medium discharges in the high heating value energy output subsystem 103, thereby the temperature of the medium in the high heating value energy output subsystem 103 is raise.Medium in the high heating value energy output subsystem 103 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 evaporimeter be able to utilize once more with energy output.For example, high heating value energy output subsystem 103 output high-temperature water or high temperature oil, perhaps high-temperature steam etc. contains the high heating value energy in the medium of output, utilizes these energy for the external world.
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 evaporimeter 213.Evaporimeter 213 is drawn the heat of water in the heat exchange pond 202, 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 cold-producing medium circulating line, and compressor 212 compresses once more, repeats above-mentioned operation.
Because heat exchange pond 202 receives from the hot water of warm water cistern 201 outputs, has certain calorific value, for example the water in the heat exchange pond 202 reaches more than 30 ℃; So, evaporimeter 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 103 reach more than 100 ℃ such as making the temperature of condenser 211 reach more than 100 ℃.After these media have absorbed the heat of condenser 211 releases, and, make the useless waste heat that absorbs from evaporimeter be able to utilize once more with energy output.
Along with the evaporimeter 213 continuous heats that absorb water in the heat exchange pond 202, the temperature of the water in the heat exchange pond 202 is more and more lower.Control module makes the water that turns cold in the heat exchange pond 202 after the outflow of cold water delivery outlet in order to the hot water input port in control heat exchange pond 202 and the valve of cold water delivery outlet, is replaced by the water that flows into from warm water cistern 201.
Particularly, in heat exchange pond 202, can be provided with temperature sensor, be used for detecting the temperature of heat exchange pond 202 water.Along with evaporimeter 213 is constantly drawn the heats of water in the heat exchange ponds 202, make that the temperature of water is more and more lower in the heat exchange pond 202.Be lower than setting threshold if valve control unit is judged the temperature value that receives from temperature sensor, then control module is controlled the valve opening of the cold water delivery outlet in heat exchange pond 202, and the cold water in the heat exchange pond 202 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 10 ℃ according to actual conditions, and perhaps setting threshold is 16 ℃.
Behind the valve opening of the cold water delivery outlet in control module control heat exchange pond 202, 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 module 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 201 flows to heat exchange pond 202 through the hot water input port.Control module 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 module detects according to level detection sensor through other method.
A kind of concrete medium can be a water in the high heating value energy output subsystem 103, and after water had absorbed the high heat that condenser discharges, to gasify be steam.And the steam with high heating value has purposes widely, goes for multiple occasion.Can also comprise the water supplementary device in the high heating value energy output subsystem 103.The water supplementary device is in order to detect the water yield in the high heating value energy output subsystem 103, and when the water yield was lower than setting value, the water input through high heating value energy output subsystem 103 carried out water to high heating value energy output subsystem 103 and replenishes.How carry out water and replenish and be well known to those skilled in the art, repeat no more here to high heating value energy output subsystem 103.
Further, can also comprise in the useless heat recovery system: steam-driven generator 104.
Water in the high heating value energy output subsystem 103 has absorbed the high heat that condenser discharges; After gasification is steam; Steam outlet output via high heating value energy output subsystem 103; The steam of discharging from high heating value energy output subsystem 103 promotes the steam turbine blade of steam-driven generator 104, makes steam-driven generator 104 output electric energy.More excellent ground can also be provided with pressure valve at the steam outlet place, makes the steam of discharging from steam outlet have certain pressure, improves generating efficiency.
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 producing the compressor of subsystem 102, the high heating value energy to consume a part of electric energy; But, absorbed the useless waste heat in the useless waste heat aggregation sub-systems 101 owing to utilize, make steam-driven generator 104 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 be fully used, reach the purpose of further energy savings through the technical scheme of the utility model.
The embodiment of the utility model is because with low-calorie useless waste heat; After replenishing certain energy, produce the high heating value energy; And the utilizability of high heating value energy is far above low-calorie energy; Thereby can make full use of recovery with low-calorie useless waste heat, improve the usability again of useless waste heat, reach the further purpose of energy savings.As export steam, can be used for directly can utilizing the occasion of steam with steam, like food processing etc.; As export hot water, then can be used for life, heating etc.That is to say; Behind the useless waste heat in recycling certain carrier; And will be wherein heat concentrate to concentrate and pass to new mounting medium, the contained high heating value energy of new support, thus improve the possibility and the economy property utilized again of useless waste heat greatly; Reach the energy savings waste, significantly reduce purpose simultaneously the hot driving of environment.
Further, the embodiment of the utility model is electric energy through steam-driven generator with the high heating value power conversion also, and electric energy is the more convenient and widely used energy, thereby has further improved the usability again of useless waste heat.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (10)
1. useless heat recovery system comprises:
Useless waste heat aggregation sub-systems is in order to store or temporary transient water or other medium that contains useless waste heat that store;
The high heating value energy produces subsystem, in order to the useless waste heat of the water that absorbs said useless waste heat aggregation sub-systems deposit, and after the accumulation makeup energy, produces the high heating value energy;
High heating value energy output subsystem stores has mobile medium, and said medium produces the high heating value energy that subsystem produced in order to absorb the high heating value energy, and exports the energy of its absorption with medium.
2. the system of claim 1 is characterized in that, said useless waste heat aggregation sub-systems comprises: warm water cistern and heat exchange pond;
Said water cistern has the water of useless waste heat in order to deposit;
Said 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, said heat exchange pond also has the cold water delivery outlet;
Said high heating value energy produces subsystem and comprises: be arranged at the condenser in the said high heating value energy output subsystem and be arranged at the evaporimeter in the said heat exchange pond; Said high heating value energy produces subsystem and absorbs the heat of water in the said heat exchange pond through evaporimeter, discharges the high heating value energy through condenser to said high heating value energy output subsystem;
Said control module is used to control the valve of said hot water input port and cold water delivery outlet, water in the said 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.
3. system as claimed in claim 2 is characterized in that, said high heating value energy produces subsystem and also comprises: compressor, choke valve, cold-producing medium circulating line; Wherein, said compressor, condenser, choke valve, evaporimeter link to each other through said cold-producing medium circulating line 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 that said cold-producing medium is discharged is discharged in the 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 and function absorbs the heat of water in the said 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.
4. system as claimed in claim 3 is characterized in that, said medium is a water; And gasification was steam after said medium absorbed the said high heating value energy generation high heating value energy that subsystem produced, via the steam outlet output of said high heating value energy output subsystem.
Perhaps, said medium is other gas, liquid, oil; And said medium absorbs becomes high-temperature medium after said high heating value energy produces the high heating value energy that subsystem produced, via the outlet output of said high heating value energy output subsystem.
5. system as claimed in claim 4 is characterized in that, also comprises: steam-driven generator;
The steam that said steam-driven generator uses said high heating value energy to produce subsystem output generates electricity.
6. system as claimed in claim 5 is characterized in that, said steam outlet place is provided with pressure valve.
7. system as claimed in claim 6 is characterized in that, said high heating value energy output subsystem comprises: the water supplementary device;
Said water supplementary device is in order to detect the water yield in the said high heating value energy output subsystem, and when the water yield was lower than setting value, the water input through said high heating value energy output subsystem carried out water to high heating value energy output subsystem and replenishes.
8. like the arbitrary described system of claim 1-7, it is characterized in that said medium is air or oil.
9. like the arbitrary described system of claim 2-7, it is characterized in that, also comprise: place the temperature sensor in said heat exchange pond, be used for detecting the temperature of said heat exchange pond water; And,
Said control module specifically is used for as if confirm the temperature of said temperature sensor detection less than setting value; Then: the valve of controlling said hot water input port and cold water delivery outlet; After water in the said heat exchange pond is flowed out from said cold water delivery outlet, be replaced by the water that flows into from said warm water cistern.
10. like the arbitrary described system of claim 2-7, it is characterized in that the water of laying in the said warm water cistern is the domestic water of the heat of recovery;
Perhaps, when waste gas when chimney is discharged, via the cold water of spray head ejection, said cold water becomes warm water or hot water after having absorbed the heat in the waste gas, said warm water or hot water become the water of laying in the said useless waste heat aggregation sub-systems;
Perhaps, the water of laying in the said useless waste heat aggregation sub-systems is hot spring or GEOTHERMAL WATER from underground collection;
Perhaps, the water of laying in the said useless waste heat aggregation sub-systems be discharge in the industrial enterprise cooling link have low-calorie waste water, a waste liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220055416 CN202598953U (en) | 2012-02-20 | 2012-02-20 | Waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201220055416 CN202598953U (en) | 2012-02-20 | 2012-02-20 | Waste heat recovery system |
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| CN202598953U true CN202598953U (en) | 2012-12-12 |
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| CN 201220055416 Expired - Fee Related CN202598953U (en) | 2012-02-20 | 2012-02-20 | Waste heat recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778080A (en) * | 2012-02-20 | 2012-11-14 | 苟仲武 | Waste residual heat recycling system |
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2012
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778080A (en) * | 2012-02-20 | 2012-11-14 | 苟仲武 | Waste residual heat recycling system |
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| TR01 | Transfer of patent right |
Effective date of registration: 20180820 Address after: 100193 Room 302, unit 2, Yuet Xiu Road, Haidian District, Beijing 302 Patentee after: Beijing Jiayong Sheng Bo Technology Co., Ltd. Address before: 730000 No. 222 Jiayuguan West Road, Chengguan District, Lanzhou, Gansu Patentee before: Gou Zhongwu |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20121212 Termination date: 20200220 |