CN105042932A - Waste heat and residual pressure recovery heat pump system for industrial circulating cooling water - Google Patents
Waste heat and residual pressure recovery heat pump system for industrial circulating cooling water Download PDFInfo
- Publication number
- CN105042932A CN105042932A CN201510404802.3A CN201510404802A CN105042932A CN 105042932 A CN105042932 A CN 105042932A CN 201510404802 A CN201510404802 A CN 201510404802A CN 105042932 A CN105042932 A CN 105042932A
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- Prior art keywords
- water
- heat pump
- hot
- compressor
- waste heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention provides a waste heat and residual pressure recovery heat pump system for industrial circulating cooling water. The system comprises an industrial water circulating unit, a heat pump working medium circulating unit, a heating unit and a water turbine. The industrial water circulating unit comprises a circulating water pool, a hot water circulating pipe, a heat exchanging unit and a cold water circulating pipe. The heat pump working medium circulating unit comprises an evaporator, a compressor and a condenser, wherein the evaporator, the compressor and the condenser are sequentially connected through a pipeline to form circulation. The heating unit comprises a cooler. The water turbine is arranged on the hot water circulating pipe and coaxially connected with the compressor. Residual pressure is recovered through the water turbine to drive the compressor to operate without providing power energy for the compressor, and it is also unnecessary to convert the residual pressure into electric energy through a generator and then drive the compressor to work; the recovery system recycles waste heat and the residual pressure at the same time and has the advantages of being simple in structure, stable in working and high in economic cost performance.
Description
Technical field
The present invention relates to waste heat hydraulic recovery technical field, especially, relate to a kind of industrial circulating cooling water waste heat hydraulic recovery heat pump.
Background technology
Current, in the face of the stressful situation of world energy sources situation, studying alternative novel energy both at home and abroad always, simultaneously also in energy-saving and emission-reduction process, energy is being recycled.2012, State Council formally printed and distributed " energy-saving and emission-reduction " 12 " planning ", and specify that the key project of " 12 " period energy-saving and emission-reduction especially, overbottom pressure UTILIZATION OF VESIDUAL HEAT IN is mentioned by emphasis in reducing energy consumption engineering.
There is a large amount of waste heats and overbottom pressure in industrial circulating water system simultaneously, current known technology is separated from each other about the recovery of this two parts energy, as the recovery waste heat that generated electricity by heat pump or Organic Rankine Cycle (ORC), overbottom pressure is reclaimed by hydraulic turbine driven rotary machinery or electrical power generators, this often causes the economic feasibility of energy regenerating not high, and the reducing energy consumption investment payback time is long.
Summary of the invention
In order to solve the high and baroque technical problem of recovery system of industrial circulating cooling water waste heat hydraulic recovery reducing energy consumption cost of investment in above-mentioned prior art, the invention provides a kind of industrial circulating cooling water waste heat hydraulic recovery heat pump, the hydraulic turbine is adopted to reclaim overbottom pressure, and the compressor operating of recovery waste heat is directly driven with the hydraulic turbine, have that energy recovery efficiency is high, structure simple, working stability and a high advantage of economic cost performance.
The invention provides a kind of industrial circulating cooling water waste heat hydraulic recovery heat pump, a kind of industrial circulating cooling water waste heat hydraulic recovery heat pump, it is characterized in that, comprise industrial water circulation unit, heat pump fluid cycling element, heating unit and the hydraulic turbine, wherein, described industrial water circulation unit comprises circulating water pool, hot-water circulation pipe, heat exchange unit and cool water circulating pipe; Described heat pump fluid cycling element is comprised and to be connected successively by pipeline and to form the evaporimeter of circulation, compressor and condenser; Described heating unit comprises radiator; Described circulating water pool is connected by pipeline with described heat exchange unit, described hot-water circulation pipe two ends connect described heat exchange unit and described evaporimeter respectively, described cool water circulating pipe two ends connect described evaporimeter and described circulating water pool respectively, and described radiator two ends are all connected with described condenser; The described hydraulic turbine is connected with described compressor is coaxial, it comprises import, outlet and three-way valve, described hot-water circulation pipe is located at by the described hydraulic turbine, and is communicated with described hot-water circulation pipe respectively with described outlet by described import, and described three-way valve is located at described import.
In a preferred embodiment of industrial circulating cooling water waste heat hydraulic recovery heat pump provided by the invention, described hot-water circulation pipe is the circulation pipe of tool horizontal segment pipeline, and the horizontal segment duct section of described hot-water circulation pipe is located at by the described hydraulic turbine.
In a preferred embodiment of industrial circulating cooling water waste heat hydraulic recovery heat pump provided by the invention, described compressor is rotary compressor.
In a preferred embodiment of industrial circulating cooling water waste heat hydraulic recovery heat pump provided by the invention, the described hydraulic turbine is axial flow hydraulic turbine.
In a preferred embodiment of industrial circulating cooling water waste heat hydraulic recovery heat pump provided by the invention, described heat pump fluid cycling element also comprises choke valve, and described choke valve is arranged in the pipeline between described condenser and described evaporimeter.
In a preferred embodiment of industrial circulating cooling water waste heat hydraulic recovery heat pump provided by the invention, the pipe diameter of described hot-water circulation pipe can be 400mm-1200mm.
In a preferred embodiment of industrial circulating cooling water waste heat hydraulic recovery heat pump provided by the invention, in the pipeline of described hot-water circulation pipe, the range of flow of the hot water of flowing is 500m
3/ h-6000m
3/ h, the temperature range of hot water is 35 DEG C-90 DEG C, and hot water pressure value scope is 0.1MPa-1.0MPa.
Compared to prior art, industrial circulating cooling water waste heat hydraulic recovery heat pump provided by the invention has following beneficial effect:
One, industrial circulating cooling water waste heat hydraulic recovery heat pump of the present invention, comprise industrial water circulation unit, heat pump fluid cycling element, heating unit and the hydraulic turbine, after carrying out exchange heat containing the industrial circulating water (heat release) of the overbottom pressure that has surplus heat and heat pump fluid (heat absorption), heat pump fluid conducts heat to heating unit again, realizes waste heat recovery; Industrial water circulation unit comprises hot-water circulation pipe, heat exchange unit and cool water circulating pipe; Heat pump fluid cycling element is comprised and to be connected successively by pipeline and to form the evaporimeter of circulation, compressor and condenser; The hydraulic turbine to be serially connected with in hot-water circulation pipe and and the coaxial connection of compressor, hot water containing overbottom pressure enters the hydraulic turbine by hot-water circulation pipe, the water pressure pushing hydraulic turbine rotates, the hydraulic turbine drives compressor operating by axle, do not need to provide power source to compressor again, do not need to be converted into electric energy by generator yet and drive compressor operating again; The waste heat overbottom pressure that this recovery system achieves industrial circulating cooling water is recycled simultaneously, and have that energy recovery rate is high, structure is simple, working stability and the high advantage of economic cost performance.
Two, industrial circulating cooling water waste heat hydraulic recovery heat pump of the present invention, by the hydraulic turbine being located at the horizontal segment of hot-water circulation pipe and being communicated with hot-water circulation pipe, handled easily personnel carry out operating and regular maintenance.
Three, industrial circulating cooling water waste heat hydraulic recovery heat pump of the present invention, the hydraulic turbine comprises import, a three-way valve is provided with hot-water circulation pipe and import junction, described three-way valve can realize hot water and be introduced into the hydraulic turbine and enter evaporimeter again or directly enter evaporimeter, when the hydraulic turbine needs repairing, heat pump can also normally work, if the pressure energy of industrial circulating water does not have recovery value, also can directly allow hot water enter evaporimeter.
Four, the range of flow of the hot water of the interior flowing of the pipeline of described hot-water circulation pipe is 500m
3/ h-6000m
3/ h, the temperature range of hot water is 35 DEG C-90 DEG C, and when hot water pressure value scope is 0.1MPa-1.0MPa, heat pump waste heat hydraulic recovery efficiency is better.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of industrial circulating cooling water waste heat hydraulic recovery heat pump one provided by the invention preferred embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can limit according to claim and cover is implemented.
Referring to Fig. 1, is the structural representation of industrial circulating cooling water waste heat hydraulic recovery heat pump one provided by the invention preferred embodiment.
Described industrial circulating cooling water waste heat hydraulic recovery heat pump 1 comprises industrial water circulation unit 11, heat pump fluid cycling element 12, heating unit 13 and the hydraulic turbine 14; Described industrial water circulation unit 11 comprises circulating water pool 111, hot-water circulation pipe 112, cool water circulating pipe 113, heat exchange unit 114, first water pump 115 and the second water pump 116; Described heat pump fluid cycling element 12 is comprised and to be connected successively by pipeline and to form the evaporimeter 121 of circulation, compressor 122, condenser 123 and choke valve 124; Described heating unit 13 comprises radiator 131; The described hydraulic turbine 14 is located at described hot-water circulation pipe 112 and coupled logical, and the described hydraulic turbine 14 and the coaxial connection of described compressor 122.
Described circulating water pool 111 is connected by pipeline with described heat exchange unit 114, described hot-water circulation pipe 112 two ends connect heat exchange unit 114 and described evaporimeter 121 respectively, described cool water circulating pipe 113 two ends connect described evaporimeter 121 and described circulating water pool 111 respectively, the pipeline between described circulating water pool 111 and described heat exchange unit 114 is located at by described first water pump 115, and described cool water circulating pipe 113 is located at by described second water pump 116.Industrial circulating cooling water is delivered to described heat exchange unit 114 by described first water pump 115 from described circulating water pool 111, and is transmitted back to described circulating water pool 111 by described second water pump 116 from described evaporimeter 121.
Described circulating water pool 111, first water pump 115, heat exchange unit 114, hot-water circulation pipe 112, evaporimeter 121, second water pump 116 provide the peripheral passage of industrial circulating cooling water; The water of described circulating water pool 111 is delivered to described heat exchange unit 114 through described first water pump 115, out described evaporimeter 121 is entered by hot-water circulation pipe 112 from described heat exchange unit 114 after absorbing heat, after evaporimeter 121 heat-shift, get back to described circulating water pool 111 by described second water pump 116 with heat pump fluid, complete the closed circuit of industrial circulating cooling water.
The pipe diameter of described hot-water circulation pipe 112 can be 400mm-1200mm, preferred 550mm.The flow of the hot water of described hot-water circulation pipe 112 Bottomhole pressure is 500m
3/ h-6000m
3/ h, the temperature of hot water is 35 DEG C-90 DEG C, and the pressure limit of hot water is 0.1MPa-1.0MPa.
The described hydraulic turbine 14 can be axial flow hydraulic turbine, is located at described hot-water circulation pipe 112 and coupled logical, and be specially the horizontal pipe section that described hot-water circulation pipe 112 is located at by the described hydraulic turbine 14, handled easily personnel carry out operating and regular maintenance.
The mode of communicating of the described hydraulic turbine 14 and described hot-water circulation pipe 112 is as follows: the described hydraulic turbine 14 comprises import (sign) and outlet (sign), be provided with a three-way valve (sign) in described import department, hot water can be realized by described three-way valve and be introduced into the described hydraulic turbine 14 and enter described evaporimeter 121 again or directly enter described evaporimeter 121; When the described hydraulic turbine 14 normally works, hot water enters the described hydraulic turbine 14 from described import, described in water pressure pushing, the hydraulic turbine 14 rotates, and the described compressor 122 of drive and the coaxial connection of the described hydraulic turbine 14 works, and hot water gets back to described hot-water circulation pipe 112 after described outlet is flowed out; When the hydraulic turbine needs repairing, hot water can directly enter evaporimeter 121, and heat pump can normally work equally, if or the pressure energy of industrial circulating water there is no recovery value, hot water also can be allowed directly not enter described evaporimeter 121 by the described hydraulic turbine 14.The present invention adopts the described hydraulic turbine 14 to reclaim overbottom pressure, and drive described compressor 122 to run by the described hydraulic turbine 14, do not need to provide power source to described compressor 122 again, do not need to be converted into electric energy by generator yet and drive described compressor 122 to work again; This recovery system achieves waste heat overbottom pressure and recycles simultaneously, has that energy recovery rate is high, the simple advantage of structure, also has good economic benefit.
Described evaporimeter 121, compressor 122, condenser 123 and choke valve 124 are for providing the peripheral passage of heat pump fluid, heat pump fluid is after described evaporimeter 121 place absorbs the heat of hot water, through described compressor 122 increasing temperature and pressure, the recirculated water of described heating unit 13 is transferred heat in described condenser 123, get back to described evaporimeter 121 through described choke valve 124 decrease temperature and pressure and continue heat absorption, complete and circulate next time.
Described compressor 122 is rotary compressors.
Described radiator 131 two ends are all connected by pipeline with described condenser 123, both are connected provides the peripheral passage of described heating unit 13 recirculated water, after the recirculated water of described heating unit 13 absorbs heat in condenser 123, through the heat supply of described radiator 131 to user, supply the recirculated water of heat to return described condenser 123 and continued circulation.
Described industrial circulating cooling water waste heat hydraulic recovery heat pump 1 provided by the invention has following beneficial effect:
One, industrial circulating cooling water waste heat hydraulic recovery heat pump 1 of the present invention, comprise industrial water circulation unit 11, heat pump fluid cycling element 12, heating unit 13 and the hydraulic turbine 14, after carrying out exchange heat containing the industry water (heat release) of the overbottom pressure that has surplus heat and heat pump fluid (heat absorption), heat pump fluid conducts heat to heating unit 13 again, realizes waste heat recovery; Industrial water circulation unit 11 comprises hot-water circulation pipe 112, heat exchange unit 114 and cool water circulating pipe 113; Heat pump fluid cycling element 12 is comprised and to be connected successively by pipeline and to form evaporimeter 121, compressor 122, the condenser 123 of circulation; The hydraulic turbine 14 be located at hot-water circulation pipe 112 and and the coaxial connection of compressor 122, hot water containing overbottom pressure enters the hydraulic turbine 14 by hot-water circulation pipe 112, the water pressure pushing hydraulic turbine 14 rotates, the hydraulic turbine 14 drives compressor 122 to run by axle, do not need to provide power source to compressor 122 again, do not need to be converted into electric energy by generator yet and drive compressor 122 to work again; This recovery system achieves waste heat overbottom pressure and recycles simultaneously, has structure simple, working stability, the advantage that economic cost performance is high.
Two, industrial circulating cooling water waste heat hydraulic recovery heat pump 1 of the present invention, the hydraulic turbine 14 is located at the horizontal segment of hot-water circulation pipe 112 and is communicated with described hot-water circulation pipe 112, and handled easily personnel carry out operating and regular maintenance.
Three, industrial circulating cooling water waste heat hydraulic recovery heat pump 1 of the present invention, the hydraulic turbine 14 comprises import, three-way valve is provided with hot-water circulation pipe 112 and import junction, described three-way valve can realize hot water and be introduced into the hydraulic turbine 14 and enter evaporimeter 121 again or directly enter evaporimeter 121, when the hydraulic turbine 14 needs repairing, heat pump can also normally work, if the pressure energy of industrial circulating water does not have recovery value, also can directly allow hot water enter evaporimeter 121.
Four, the range of flow of the hot water of the interior flowing of the pipeline of described hot-water circulation pipe 112 is 500m
3/ h-6000m
3/ h, the temperature range of hot water is 35 DEG C-90 DEG C, and when hot water pressure value scope is 0.1MPa-1.0MPa, industrial circulating cooling water waste heat hydraulic recovery heat pump 1 waste heat hydraulic recovery efficiency is better.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. an industrial circulating cooling water waste heat hydraulic recovery heat pump, is characterized in that, comprises industrial water circulation unit, heat pump fluid cycling element, heating unit and the hydraulic turbine, wherein,
Described industrial water circulation unit comprises circulating water pool, hot-water circulation pipe, heat exchange unit and cool water circulating pipe;
Described heat pump fluid cycling element is comprised and to be connected successively by pipeline and to form the evaporimeter of circulation, compressor and condenser;
Described heating unit comprises radiator;
Described circulating water pool is connected by pipeline with described heat exchange unit, described hot-water circulation pipe two ends connect described heat exchange unit and described evaporimeter respectively, described cool water circulating pipe two ends connect described evaporimeter and described circulating water pool respectively, and described radiator two ends are all connected with described condenser;
The described hydraulic turbine is connected with described compressor is coaxial, it comprises import, outlet and three-way valve, described hot-water circulation pipe is located at by the described hydraulic turbine, and is communicated with described hot-water circulation pipe respectively with described outlet by described import, and described three-way valve is located at described import.
2. industrial circulating cooling water waste heat hydraulic recovery heat pump according to claim 1, it is characterized in that, described hot-water circulation pipe is the circulation pipe of tool horizontal segment pipeline, and the horizontal segment duct section of described hot-water circulation pipe is located at by the described hydraulic turbine.
3. industrial circulating cooling water waste heat hydraulic recovery heat pump according to claim 1, it is characterized in that, described compressor is rotary compressor.
4. industrial circulating cooling water waste heat hydraulic recovery heat pump according to claim 1, it is characterized in that, the described hydraulic turbine is axial flow hydraulic turbine.
5. industrial circulating cooling water waste heat hydraulic recovery heat pump according to claim 1, it is characterized in that, described heat pump fluid cycling element also comprises choke valve, and described choke valve is arranged in the pipeline between described condenser and described evaporimeter.
6. industrial circulating cooling water waste heat hydraulic recovery heat pump according to claim 1, is characterized in that, the pipe diameter of described hot-water circulation pipe is 400mm-1200mm.
7. industrial circulating cooling water waste heat hydraulic recovery heat pump according to claim 6, is characterized in that, in the pipeline of described hot-water circulation pipe, the range of flow of the hot water of flowing is 500m
3/ h-6000m
3/ h, the temperature range of hot water is 35 DEG C-90 DEG C, and the pressure limit of hot water is 0.1MPa-1.0MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510404802.3A CN105042932A (en) | 2015-07-10 | 2015-07-10 | Waste heat and residual pressure recovery heat pump system for industrial circulating cooling water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510404802.3A CN105042932A (en) | 2015-07-10 | 2015-07-10 | Waste heat and residual pressure recovery heat pump system for industrial circulating cooling water |
Publications (1)
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|---|---|
| CN105042932A true CN105042932A (en) | 2015-11-11 |
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ID=54449692
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|---|---|---|---|
| CN201510404802.3A Pending CN105042932A (en) | 2015-07-10 | 2015-07-10 | Waste heat and residual pressure recovery heat pump system for industrial circulating cooling water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152636A (en) * | 2016-08-30 | 2016-11-23 | 无锡雪浪环境科技股份有限公司 | A kind of energy-saving steam compression-type refrigeration blood circulation |
| CN111051690A (en) * | 2018-08-02 | 2020-04-21 | 国立大学法人东京大学 | Wave power generation system |
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| CN205048784U (en) * | 2015-07-10 | 2016-02-24 | 长沙山水节能研究院有限公司 | Industry recirculated cooling water waste heat residual pressure retrieves heat pump system |
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| CN101290179A (en) * | 2008-06-11 | 2008-10-22 | 重庆大学 | Water source heat pump air conditioner system possessing hydraulic turbine pump |
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