CN109708180A - Its heat-exchange system and application its thermoelectric heating system of a kind of big temperature difference temperature rise heat exchanger and application - Google Patents
Its heat-exchange system and application its thermoelectric heating system of a kind of big temperature difference temperature rise heat exchanger and application Download PDFInfo
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- CN109708180A CN109708180A CN201910129691.8A CN201910129691A CN109708180A CN 109708180 A CN109708180 A CN 109708180A CN 201910129691 A CN201910129691 A CN 201910129691A CN 109708180 A CN109708180 A CN 109708180A
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Abstract
The invention discloses a kind of big temperature difference temperature rise heat exchangers, including evaporator and condenser, evaporator includes the first evaporator shell, second evaporator shell, first tube bundle and second tube bundle, evaporator includes the evaporator water inlet being connected to first tube bundle and the evaporator water outlet being connected to second tube bundle, first tube bundle is connected to second tube bundle, condenser includes the first condenser shell, second condenser shell, third tube bank and the 4th tube bank, first condenser shell is oppositely arranged with the first evaporator shell, second condenser shell is oppositely arranged with the second evaporator shell, condenser includes the condenser water inlet being connected to the 4th tube bank and restrains the leaving condenser water mouth being connected to third, 4th tube bank is connected to third tube bank.Heat exchanger disengaging water temperature difference of the invention is big, and occupation area of equipment is small.The invention also discloses the heat-exchange systems and heating system of application heat exchanger.
Description
Technical field
The present invention relates to technical field of heat exchange, in particular to a kind of big temperature difference temperature rise heat exchanger and the big temperature difference liter using it
Warm heat-exchange system and the thermoelectric heating system for applying it.
Background technique
As people's lives level improves, people also greatly improve with energy, especially heating period in winter, using boiler
Carry out heating and increase the particle contamination of northern area, although using air source heat pump technology can to avoid the discharge of particulate matter,
But the efficiency of energy utilization of its low temperature season is lower, the higher cost of heat supply, tends not to the heat supply need for meeting high latitude area
It asks.And power plant and steam power plant have a large amount of residual heat resources higher than environment temperature to be discharged into atmospheric environment in vain, cause a large amount of
Energy waste.
General power plant and steam power plant are all mounted remotely from the suburb in urban district, by the place that heat transports to user's needs need compared with
Long conveying distance, it is contemplated that the thermal loss in transmission process, and the water temperature that end uses is fixed, so the heat of supply
Source temperature is higher, and the higher temperature that transports increases leakage heat loss again.Also, the water temperature that end uses is often higher than the weary of power plant
Gas heat-exchange temperature, so steam power plant's end return water can not utilize the exhaust steam residual heat of power plant.
Patent CN100507375 provides a kind of big temperature-difference central heating system, and system is by using in heating system
Increase absorption heating device, end return water is cooled down in the thermal substation close to end by absorption heating device, returning after cooling
Water flows back into steam power plant, and temperature is lower than the condensation temperature of steam exhaust at this time, and steam exhaust condenser heat can be absorbed and realize that partial heat returns
It receives and utilizes.But the driving heat source of absorption heating device as involved in CN100507375 patent is heating hot water, in order to full
The refrigerating capacity of the absorption heating device of foot, needs the supply water temperature of higher temperature, although the temperature of return water has biggish reduction,
Supply water temperature is still higher, needs the anti-leak-stopping heat of thicker thermal insulation material.Meanwhile absorption heating device is bulky, often not
The mounting condition at scene is adapted to, so that the application of technology receives biggish limitation.
Summary of the invention
According to an aspect of the present invention, a kind of big temperature difference temperature rise heat exchanger, including evaporator and condenser are provided, evaporated
Device includes that the first evaporator shell, the second evaporator shell, the first tube bundle being arranged in the first evaporator shell body and setting exist
Second tube bundle in second evaporator shell body, evaporator include evaporator water inlet and evaporator water outlet, evaporator water inlet
It is connected to first tube bundle, evaporator water outlet is connected to second tube bundle, and first tube bundle is connected to second tube bundle, and condenser includes the
One condenser shell, the second condenser shell, the third tube bank being arranged in the first condenser shell and setting are in the second condensation
Intracorporal 4th tube bank of device shell, the first condenser shell is oppositely arranged with the first evaporator shell, the second condenser shell and the
Two evaporator shells are oppositely arranged, and condenser includes condenser water inlet and leaving condenser water mouth, condenser water inlet and the 4th
Tube bank connection, leaving condenser water mouth are connected to third tube bank, wherein the 4th tube bank is connected to third tube bank.
In some embodiments, evaporator water inlet and evaporator water outlet are all disposed within the middle part of evaporator, condensation
Device water inlet and leaving condenser water mouth are arranged at the middle part of condenser.The pipeline inlet and outlet of heat exchanger are arranged in heat exchanger
Portion advantageously reduces the structure size of product, is easily installed equipment.
In some embodiments, the number of tube passes of evaporator is greater than the number of tube passes of condenser.Specific embodiment party of the invention
Big temperature difference temperature rise heat exchanger provided by formula is designed using unsymmetric structure, and evaporator is different with the number of tube passes in condenser, into
Power plant's return water temperature is reduced to one step, expands the temperature difference of the Inlet and outlet water of evaporation side.
In some embodiments, the pipe range of first tube bundle and the pipe range of second tube bundle are different.Evaporator is using asymmetric
Design, optimizes the matching of the heat exchange amount of heat exchanger, is conducive to the promotion of the stability and whole efficiency of refrigeration system.
In some embodiments, the pipe range of the 4th tube bank is different from the pipe range that third is restrained.Condenser is using asymmetric
Design, optimizes the matching of the heat exchange amount of heat exchanger, is conducive to the promotion of the stability and whole efficiency of refrigeration system.
In some embodiments, the two sides of the first evaporator shell are respectively equipped with first port and second port, and second
The two sides of evaporator shell are respectively equipped with third port and the 4th port, and the two sides of the first condenser shell are respectively equipped with the 5th end
Mouth and the 6th port, the two sides of the second condenser shell are respectively equipped with the 7th port and the 8th port.
According to another aspect of the present invention, a kind of big temperature difference heating heat-exchange system, including big temperature difference temperature rise heat exchanger are provided,
Further include the first compressor, the second compressor, first throttle valve and second throttle, the first evaporator shell, the first compressor,
First throttle valve and the first condenser shell are connected, second evaporator shell, the second compressor, second throttle and second
Condenser shell is connected.
According to another aspect of the present invention, a kind of thermoelectric heating system, including big temperature difference heating heat-exchange system are provided, also wrapped
Heat source side pipe network and user side pipe network are included, wherein evaporator accesses heat source side pipe network, condenser accessing user side pipe network.
Detailed description of the invention
Fig. 1 is the big temperature difference temperature rise heat exchanger structural schematic diagram of an embodiment of the present invention.
Fig. 2 is the big temperature difference heating heat-exchange system schematic illustration of an embodiment of the present invention.
Fig. 3 is the thermoelectric heating system schematic of an embodiment of the present invention.
Evaporator 1, condenser 2, the first evaporator shell 3, the second evaporator shell 4, first tube bundle 5, second tube bundle 6,
Evaporator water inlet 7, evaporator water outlet 8, the first condenser shell 10, the second condenser shell 11, third tube bank the 12, the 4th
Restrain 13, first port 15, second end 16, third port 17, the 4th port 18, fifth port 19, the 6th port 20, the 7th end
Mouthful the 21, the 8th port 22, big temperature difference heating heat-exchange system 23, the first compressor 24, the second compressor 25, first throttle valve 26,
Second throttle 27, heat source side pipe network 28, user side pipe network 29, condenser water inlet 30 and leaving condenser water mouth 31
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
Referring to FIG. 1, a kind of big temperature difference temperature rise heat exchanger, including evaporator 1 and condenser 2.Evaporator 1 includes the first steaming
Device shell 3, the second evaporator shell 4, the first tube bundle 5 being arranged in the first evaporator shell 3 and setting are sent out in the second evaporation
Second tube bundle 6 in device shell 4.Evaporator 1 includes evaporator water inlet 7 and evaporator water outlet 8,7 He of evaporator water inlet
Evaporator water outlet 8 is all disposed within the middle part of evaporator 1, and evaporator water inlet 7 is connected to first tube bundle 5, evaporator water outlet 8
It is connected to second tube bundle 6, first tube bundle 5 is connected to second tube bundle 6.Condenser 2 is condensed including the first condenser shell 10, second
Device shell 11, the third being arranged in the first condenser shell 10 tube bank 12 and be arranged in the second condenser shell 11 the 4th
Tube bank 13.First condenser shell 10 is oppositely arranged with the first evaporator shell 3, the second condenser shell 11 and the second evaporator
Shell 4 is oppositely arranged.Condenser 2 includes condenser water inlet 30 and leaving condenser water mouth 31, condenser water inlet 30 and condensation
Device water outlet 31 is arranged at the middle part of condenser 2.Condenser water inlet 30 is connected to the 4th tube bank 13, leaving condenser water mouth 31
It is connected to third tube bank 12, wherein the 4th tube bank 13 is connected to third tube bank 12.First evaporator shell 3 and the second evaporator shell
Body 4 is not connected to, and the first condenser shell 10 is not connected to the second condenser shell 11.
The two sides of first evaporator shell 3 are respectively equipped with first port 15 and second port 16, the second evaporator shell 4
Two sides are respectively equipped with third port 17 and the 4th port 18.The two sides of first condenser shell 10 are respectively equipped with 19 He of fifth port
The two sides of 6th port 20, the second condenser shell 11 are respectively equipped with the 7th port 21 and the 8th port 22.Refrigerant is from above-mentioned
Port passes in and out evaporator shell and condenser shell.
First evaporator shell 3, the second evaporator shell 4, the first condenser shell 10 and the second condenser shell 11 are all
For hollow structure, in can accommodate refrigerant, the port that each shell two sides are arranged in is passed in and out for refrigerant, first tube bundle 5, the
Two tube banks 6, third tube bank 12 and the 4th tube bank 13 are supplied water and are passed through, and the water in refrigerant and tube bank in shell can carry out hot friendship
It changes.The pipeline inlet and outlet of heat exchanger are arranged in the middle part of heat exchanger, are advantageously reduced the structure size of product, are made equipment convenient for peace
Dress.
Big temperature difference temperature rise heat exchanger provided by a specific embodiment of the invention can access thermoelectric heating system, wherein
Evaporator accesses heat source side pipe network, i.e., hot water of the reception from power plant, condenser accessing user side pipe network receive and come from user
Hot water.When work, make in evaporator shell and condenser shell full of refrigerant.Big temperature difference temperature rise heat exchanger is matched with refrigerant
Work is closed, the heat of hot water from power plant is passed into hot water from the user.In evaporation side, first tube bundle 5 and second tube bundle 6
Series connection, hot water enter first tube bundle 5 from evaporator water inlet 7, carry out for the first time with the refrigerant in the first evaporator shell 3
Heat exchange reduces hot water temperature, and then hot water enters second tube bundle 6, in second tube bundle 6 with the second evaporator shell 4
In refrigerant carry out second of heat exchange to further reducing hot water temperature, in evaporator 1, the heat of hot water is passed
Refrigerant is passed, the temperature for the refrigerant for flowing out evaporator 1 increases.In condensation side, 13 string of third tube bank 12 and the 4th tube bank
Connection, hot water carry out heat exchange from the refrigerant that 2 entrance of condenser enters in the 4th tube bank 13, with the second condenser shell 11,
The heat transfer of refrigerant increases hot water temperature to hot water, then hot water flow into third tube bank 12, third tube bank 12 in
Refrigerant in first condenser shell 10 carries out second of heat exchange, hot water temperature is further increased, in condenser 2
In, to hot water, the temperature for the refrigerant for flowing out condenser 2 reduces the heat transfer of refrigerant.Specific embodiment party of the invention
The disengaging water temperature difference of the evaporation side of big temperature difference temperature rise heat exchanger provided by formula is big.Compared to existing heat exchanger, present invention tool
Big temperature difference temperature rise heat exchanger provided by body embodiment creates a further reduction power plant's return water temperature and improves returning for user
The heat of power plant's hot water is more efficiently utilized in coolant-temperature gage.
Since evaporator water inlet 7 is connected to first tube bundle 5, condenser water inlet 30 is connected to the 4th tube bank 13, therefore
1 water route of evaporator and 2 water route of condenser are contrary when use, further expand the temperature difference.
In some embodiments, the number of tube passes of evaporator 1 is greater than the number of tube passes of condenser 2.That is first tube bundle 5 and second
The number of tube passes of tube bank 6 is greater than the number of tube passes of third tube bank 12 and the 4th tube bank 13.Provided by a specific embodiment of the invention
Big temperature difference temperature rise heat exchanger is designed using unsymmetric structure, and evaporator 1 is different with the number of tube passes in condenser 2, is further dropped
Di Liao power plant return water temperature, expands the temperature difference of the Inlet and outlet water of evaporation side.
In some embodiments, the pipe range of first tube bundle 5 is different from the pipe range of second tube bundle 6.In some embodiments
In, the pipe range of the 4th tube bank 13 is different from the pipe range of third tube bank 12.I.e. evaporator 1 uses asymmetric design, and condenser 2 is also adopted
With asymmetric design, the distribution of the heat exchange amount of heat exchanger is optimized, is conducive to the stability of refrigeration system and proposing for whole efficiency
It rises.
Referring to FIG. 2, according to another aspect of the present invention, providing a kind of big temperature difference heating heat-exchange system 23, including this
Heat exchanger provided by invention specific embodiment further includes the first compressor 24, the second compressor 25,26 and of first throttle valve
Second throttle 27.First evaporator shell 3, the first compressor 24, the first condenser shell 10 and first throttle valve 26 pass through
Pipeline is connected, and forms refrigerant-cycle systems.Second evaporator shell 4, the second compressor 25, the second condenser shell 11 and
Two throttle valves 27 are connected by pipeline, form another refrigerant-cycle systems.Two compressors can make refrigerant circulation, and two
Throttle valve is used to control the flow of refrigerant.
Referring to FIG. 3, according to another aspect of the present invention, a kind of thermoelectric heating system is provided, including heat source side pipe network 28,
Big temperature difference heating heat-exchange system 23 and user side pipe network 29, wherein evaporator 1 accesses heat source side pipe network 28, and the access of condenser 2 is used
Family side pipe net 29.The hot water provided in heat source side pipe network 28 for power plant, the interior heating used for user of user side pipe network 29 are used
Water.A specific embodiment of the invention provides the inflow temperature and return water that the thermoelectric heating circulatory system expands heat source side pipe network 28
The temperature difference of temperature improves the heat utilization ratio of power plant's hot water.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (8)
1. a kind of big temperature difference temperature rise heat exchanger, which is characterized in that including evaporator (1) and condenser (2), the evaporator (1)
Including the first evaporator shell (3), the second evaporator shell (4), the first tube bundle being arranged in the first evaporator shell (3)
(5) and second tube bundle (6) in the second evaporator shell (4) is set, the evaporator (1) includes evaporator water inlet (7)
With evaporator water outlet (8), the evaporator water inlet (7) is connected to the first tube bundle (5), the evaporator water outlet
(8) it is connected to the second tube bundle (6), the first tube bundle (5) is connected to the second tube bundle (6), condenser (2) packet
Include the first condenser shell (10), the second condenser shell (11), the third tube bank being arranged in the first condenser shell (10)
(12) and the 4th tube bank (13) that is arranged in the second condenser shell (11), first condenser shell (10) and described the
One evaporator shell (3) is oppositely arranged, and second condenser shell (11) is opposite with second evaporator shell (4) to be set
Set, the condenser (2) includes condenser water inlet (30) and leaving condenser water mouth (31), the condenser water inlet (30) with
4th tube bank (13) connection, the leaving condenser water mouth (31) is connected to third tube bank (12), wherein the described 4th
Tube bank (13) is connected to third tube bank (12).
2. big temperature difference temperature rise heat exchanger according to claim 1, which is characterized in that the evaporator water inlet (7) and steaming
Hair device water outlet (8) is all disposed within the middle part of the evaporator (1), the condenser water inlet (30) and leaving condenser water mouth
(31) it is arranged at the middle part of the condenser (2).
3. big temperature difference temperature rise heat exchanger according to claim 1, which is characterized in that the number of tube passes of the evaporator (1) is big
Number of tube passes in condenser (2).
4. big temperature difference temperature rise heat exchanger according to claim 1, which is characterized in that the pipe range of the first tube bundle (5) with
The pipe range of second tube bundle (6) is different.
5. big temperature difference temperature rise heat exchanger according to claim 1, which is characterized in that the pipe range and third of the 4th tube bank (13)
The pipe range for restraining (12) is different.
6. big temperature difference temperature rise heat exchanger according to claim 1, which is characterized in that first evaporator shell (3)
Two sides are respectively equipped with first port (15) and second port (16), and the two sides of the second evaporator shell (4) are respectively equipped with third end
Mouth (17) and the 4th port (18), the two sides of the first condenser shell (10) are respectively equipped with fifth port (19) and the 6th port
(20), the two sides of the second condenser shell (11) are respectively equipped with the 7th port (21) and the 8th port (22).
7. a kind of big temperature difference heating heat-exchange system (23), which is characterized in that including the big temperature difference described in any one of claims 1-6
Temperature rise heat exchanger further includes the first compressor (24), the second compressor (25), first throttle valve (26) and second throttle
(27), first evaporator shell (3), the first compressor (24), first throttle valve (26) and the first condenser shell (10)
It is connected, second evaporator shell (4), the second compressor (25), second throttle (27) and the second condenser shell (11)
It is connected.
8. a kind of thermoelectric heating system, which is characterized in that heat-exchange system (23) are heated up including the big temperature difference as claimed in claim 7,
It further include heat source side pipe network (28) and user side pipe network (29), wherein evaporator (1) access heat source side pipe network (28), condenser
(2) accessing user side pipe network (29).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910129691.8A CN109708180A (en) | 2019-02-21 | 2019-02-21 | Its heat-exchange system and application its thermoelectric heating system of a kind of big temperature difference temperature rise heat exchanger and application |
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CN201910129691.8A CN109708180A (en) | 2019-02-21 | 2019-02-21 | Its heat-exchange system and application its thermoelectric heating system of a kind of big temperature difference temperature rise heat exchanger and application |
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CN201852359U (en) * | 2010-10-16 | 2011-06-01 | 湖北东橙新能源科技有限公司 | Two-stage series heat pump unit |
CN106403283A (en) * | 2016-11-11 | 2017-02-15 | 珠海格力电器股份有限公司 | Hot water type heat pump system |
CN206056012U (en) * | 2016-06-24 | 2017-03-29 | 华电电力科学研究院 | Realize the heat cascade utilization heat pump of cold and heat combined supply |
CN206191982U (en) * | 2016-11-08 | 2017-05-24 | 中船重工(上海)新能源有限公司 | Thermoelectric conversion system |
CN107687716A (en) * | 2017-09-29 | 2018-02-13 | 上海中金能源投资有限公司 | Water source heat pump system |
CN108534208A (en) * | 2018-05-15 | 2018-09-14 | 济南金孚瑞供热工程技术有限公司 | A kind of big temperature difference heat-exchange system |
CN207936544U (en) * | 2018-01-23 | 2018-10-02 | 上海航天智慧能源技术有限公司 | A kind of two-stage compression heat pump system |
CN209819646U (en) * | 2019-02-21 | 2019-12-20 | 苏州必信空调有限公司 | Large-temperature-difference heating heat exchanger, heat exchange system and thermoelectric heating system using same |
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2019
- 2019-02-21 CN CN201910129691.8A patent/CN109708180A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201852359U (en) * | 2010-10-16 | 2011-06-01 | 湖北东橙新能源科技有限公司 | Two-stage series heat pump unit |
CN206056012U (en) * | 2016-06-24 | 2017-03-29 | 华电电力科学研究院 | Realize the heat cascade utilization heat pump of cold and heat combined supply |
CN206191982U (en) * | 2016-11-08 | 2017-05-24 | 中船重工(上海)新能源有限公司 | Thermoelectric conversion system |
CN106403283A (en) * | 2016-11-11 | 2017-02-15 | 珠海格力电器股份有限公司 | Hot water type heat pump system |
CN107687716A (en) * | 2017-09-29 | 2018-02-13 | 上海中金能源投资有限公司 | Water source heat pump system |
CN207936544U (en) * | 2018-01-23 | 2018-10-02 | 上海航天智慧能源技术有限公司 | A kind of two-stage compression heat pump system |
CN108534208A (en) * | 2018-05-15 | 2018-09-14 | 济南金孚瑞供热工程技术有限公司 | A kind of big temperature difference heat-exchange system |
CN209819646U (en) * | 2019-02-21 | 2019-12-20 | 苏州必信空调有限公司 | Large-temperature-difference heating heat exchanger, heat exchange system and thermoelectric heating system using same |
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Address after: 215000 No.158 Jinshajiang Road, high tech Zone, Suzhou City, Jiangsu Province Applicant after: Bixin energy technology (Suzhou) Co.,Ltd. Address before: 215000 No.158 Jinshajiang Road, high tech Zone, Suzhou City, Jiangsu Province Applicant before: SUZHOU BSE AIR CONDITIONER Co.,Ltd. |