CN2445259Y - Water source heat pump with high-efficient heat exchanger - Google Patents

Water source heat pump with high-efficient heat exchanger Download PDF

Info

Publication number
CN2445259Y
CN2445259Y CN 00253851 CN00253851U CN2445259Y CN 2445259 Y CN2445259 Y CN 2445259Y CN 00253851 CN00253851 CN 00253851 CN 00253851 U CN00253851 U CN 00253851U CN 2445259 Y CN2445259 Y CN 2445259Y
Authority
CN
China
Prior art keywords
heat exchanger
housing
heat pump
socket
tube bank
Prior art date
Application number
CN 00253851
Other languages
Chinese (zh)
Inventor
刘兴中
杨晓斌
马鸿儒
范新
郑兴旺
刘文池
陈卉青
Original Assignee
清华同方股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 清华同方股份有限公司 filed Critical 清华同方股份有限公司
Priority to CN 00253851 priority Critical patent/CN2445259Y/en
Application granted granted Critical
Publication of CN2445259Y publication Critical patent/CN2445259Y/en

Links

Abstract

The utility model relates to a water source heat pump with a high-efficiency heat exchanger. A steam distribution head is arranged on the end part of an air inlet pipe of a shell-and-tube heat exchanger at a refrigerant steam inlet in a shell body, and the steam distribution head is provided with a plurality of steam nozzles which are arranged along the axial direction of tube bundles in the shell body. Partition boards in a sealed head are mutually arranged up and down, and the tube bundles are divided into a plurality of mutually insulated areas up and down to form a plurality of tube passes of the heat exchanger. A baffle plate arranged in the shell body comprises a circular plate matched with the cross section of the shell body, and the middle part of the circular plate of the baffle plate is extended with a transverse plate. The heat-transfer efficiency of the heat exchanger is increased greatly.

Description

A kind of water resource heat pump with high-performance heat exchanger
The utility model relates to a kind of heat pump, especially a kind of water resource heat pump with high-performance heat exchanger.
Water source heat pump technology can utilize the underground water of low-grade GEOTHERMAL WATER, surface water and non-underground heat, and the energy in the extraction water is used for the heating of building.Because it is bigger that specific heat of water holds, good heat-transfer, than the heat pump that uses air dielectric, advantage such as it is stable to have an operating condition, efficient, energy-conservation.But water resource heat pump of the prior art is very unreasonable because of its structure in its condenser heat exchanger, causes it that some shortcomings are arranged.At first, existing heat pump condensing heat exchanger walk the high pressure-temperature refrigerant vapour in housing, import is located at close tube side coolant outlet one end of heat exchanger, and export on the other end that is located at away from coolant outlet, the temperature difference of the cooling water in refrigerant vapour and the tube bank has bigger difference on the each point between the import and export of the housing of heat exchanger, thereby heat transfer efficiency is lower, the deflection plate that is provided with in the housing of existing heat exchanger generally all is last lower semi-circular or the round baffle plate that lacks property that interlaces and be provided with, the deflection plate of this structure is steam at the beginning of being used to enter heat exchanger shell, become the cold-producing medium of liquid in the exit, can not obtain to promote preferably the effect of conducting heat.In addition, being used to of refrigerant heat exchanger in the existing heat pump, the dividing plate of separating each tube side generally was with the break into portions radially of the tube bank on the tube sheet, cooling water flows through each journey tube bank, because there is the big temperature difference in cooling water between each adjacent journey, each other can be influential, this heat transfer for heat exchanger also is disadvantageous.The above-mentioned shortcoming of existing heat exchanger makes its heat exchange efficiency not high.
The purpose of this utility model is to improve the deficiencies in the prior art, and a kind of water resource heat pump with higher heat transfer efficiency heat exchanger is provided.
For achieving the above object, the utility model is taked following design:
The water resource heat pump that the utility model provides includes compressor, condenser, expansion valve and evaporimeter, described condenser is a tubular heat exchanger, it includes housing, tube bank, tube sheet and end socket, housing top at described heat exchanger makes the refrigerant vapour import, be provided with liquid refrigerant outlet in its underpart, be provided with described end socket, in described end socket, be provided with dividing plate at the two ends of the housing of described heat exchanger, make heat exchanger become multi-tube pass heat exchanger, in described housing, be provided with deflection plate; Be provided with air inlet pipe in described refrigerant vapour import department, the end in the described housing of being located at of described air inlet pipe is provided with the steam distribution head, is provided with some steam jets on described steam distribution head, and it is arranged along the axis direction of restraining in the housing; Dividing plate in described end socket is in upper-lower position relation ground and is provided with, and described tube bank is divided into a plurality of tube sides that several isolated mutually zones constitute heat exchanger up and down; Be located at described deflection plate in the described housing and comprise a circular slab that is complementary with described housing cross section, its plate face perpendicular to described tube bank be fixedly arranged in the described housing, the lower end of described circular slab is provided with gap, make circular slab and housing that one gap be arranged in the bottom, extension convexes with a transverse slat in the middle of described circular slab deflection plate, and described transverse slat is preferably parallel with described tube bank; Described deflection plate also includes the riser perpendicular to tube bank of being located at described transverse slat inner walls up and down, is provided with the gap between the inwall of described riser and housing.
High-performance heat exchanger in the water resource heat pump that the utility model provides has changed the existing pattern of establishing an inlet tube at an end of housing in the design of the import of the refrigerant vapour of shell side, on inlet tube, connect a dispensing head, on dispensing head, connect the plurality of nozzles of arranging along described tube bank direction, cooperate the deflection plate of being located at the special construction in the housing, refrigerant vapour is contacted closely with tubulation, improved its heat exchange efficiency; The dividing plate that described heat exchanger is provided with the upper-lower position relation in described end socket has been avoided the sudden change of temperature between adjacent each journey cooling water effectively, and its heat exchange efficiency of further raising is had positive effect.Therefore, use this water resource heat pump, under the employed cold-producing medium condition identical with the physical dimension of cooling water and heat exchanger, the cooling water leaving water temperature of existing heat exchanger is 45 ℃, and the water resource heat pump with high-performance heat exchanger that uses the utility model to provide, the temperature of cooling water can reach 52 ℃.
The utility model is described in further detail below in conjunction with accompanying drawing.
The structural representation of the water resource heat pump that Fig. 1 provides for the utility model
The structural representation of the heat exchanger in the water resource heat pump that Fig. 2 provides for the utility model
Fig. 3 is the A-A sectional structure schematic diagram in the heat exchanger shown in Figure 2
Fig. 4 is the structural representation that the heat exchanger of several refrigerant vapour imports is arranged
Embodiment:
As shown in Figure 1, the water resource heat pump that the utility model provides includes evaporimeter 1, heating power expansion valve 6 condensers 7 and compressor 9, the inlet seal of evaporimeter connects heating power expansion valve 6, heating power expansion valve 6 is connected with the shell side refrigerant outlet of condenser by feed pipe, on feed pipe, be provided with manual ball valve 2, device for drying and filtering 3, liquid-sighting glass 4 and magnetic valve 5, the outlet of evaporimeter 1 is connected by the air inlet of air intake duct with compressor 9, the gas outlet of compressor is connected with the shell side refrigerant air inlet of condenser 7 by blast pipe, and the blast pipe of compressor and air intake duct between can also be provided with and establish high-pressure manometer 10 on it, the branch road of dual-pressure controller 11 and low pressure gauge, on evaporimeter 1 and condenser 7, be equipped with draining valve 13, on condenser 7, also be provided with safety valve 8.On evaporimeter, establish the import and the outlet of chilled water, on condenser, establish the import and the outlet of cooling water.
Structure such as Fig. 2 of the condenser 7 that constitutes by described heat exchanger efficiently, shown in 3, it is a tubular heat exchanger, include housing 71, tube bank 72, tube sheet 73 and end socket 74,75, housing 71 tops at heat exchanger 7 make refrigerant vapour import 711, be provided with liquid refrigerant outlet 712 in its underpart, two ends at the housing 71 of heat exchanger are provided with end socket 74,75, on end socket 74, be provided with cooling water inlet and outlet, in end socket 74, be provided with the dividing plate 741 of upper and lower settings, 742, can be clear that dividing plate 741 in conjunction with Fig. 3,742 structure, two dividing plates will be restrained and will be divided into three isolated mutually parts: A from top to bottom, B, C, be engaged in a dividing plate that is parallel to the tube bank setting by the tube sheet center in the end socket 75, make heat exchanger 7 become the quadruple pass heat exchanger, the a-quadrant is connected with the import of cooling water, it is a low-temperature space, the temperature in B zone is higher, become middle warm area, the C zone is connected with the outlet of cooling water, temperature is the highest, be the high-temperature region, the high-temperature cooling water that such dividing plate is provided with outlet is not adjacent with low-temperature space, also with regard to the influence of the cooling water that can not be subjected to low-temperature space and reduce leaving water temperature, be provided with a dividing plate in end socket 75, the number of passes that makes this condenser become tube side is the heat exchanger of quadruple pass.
Refrigerant vapour import department on housing 71 is provided with air inlet pipe, is provided with steam distribution 712 in the end in the housing 71 of being located at of air inlet pipe, is provided with some steam jets 7121 on steam distribution 712, and it is arranged along the axis direction of restraining in the housing.In housing 71, be provided with some groups of deflection plates, deflection plate comprises a circular slab 713 that is complementary with housing 71 cross sections, its plate face perpendicular to described tube bank be fixedly arranged in the described housing, the lower end of circular slab is provided with gap 7131, make circular slab and housing that one gap be arranged in the bottom, extension convexes with a transverse slat 7132 in the middle of circular slab deflection plate 713, and transverse slat 7132 is parallel with tube bank 72.On the up and down inner walls corresponding with transverse slat 7132 perpendicular to tube bank be provided with riser 7133, be equipped with the gap between the inwall of riser 7133 and housing 71.Comprise one or several steam jet 7121 in the middle of one group of deflection plate, by the motion conditions of the refrigerant vapour that comes out in the steam jet in one group of deflection plate by arrow a, b illustrates, the steam that is come out by nozzle 7121 is under the restriction of circular slab 713 and riser up 7133, downwards through tube bank, the cold-producing medium that has liquefied drops on the bottom that drops onto housing on the transverse slat, the steam of liquefaction is not blocked after reaching transverse slat 7132 as yet, make progress again, then down with the tube bank contact heat-exchanging on top, flow to the below of transverse slat again by the space between the transverse slat, contact with tube bank downwards, Ye Hua cold-producing medium does not make progress again under the constraint of bottom riser yet, and it is downward again to walk around the bottom riser, at last liquefaction fully, outlet by lower housing portion is discharged, in the evaporimeter 1 that reduces pressure.The gap of the gap of circular slab bottom and bottom riser and housing makes the liquid refrigerant of liquefaction in the middle of each group deflection plate flow to outlet, gap between top riser and the housing can make a part in the steam of the nozzle ejection between circular slab and the riser to the opposite side of riser, makes the pressure balance of riser both sides.
As the compressor in the water resource heat pump can be several in parallel, the outlet of several compressors in the prior art is combined into an escape pipe, link with condenser, required refrigerating capacity is low in using will cut off wherein one or a few compressor the time, the problem of collaborating between the compressor in parallel usually will appear, appearance for fear of this problem, to on the pipeline of each compressor, establish check (non-return) valve, make its complex structure, in order to address this problem, the steam inlet of the heat exchanger in the water resource heat pump that the utility model provides can be designed as more than one, as shown in Figure 4, air inlet pipe in each steam inlet connects a compressor, so just can avoid the problem of collaborating between the machine of standing machine and operation in the in parallel compressor.

Claims (5)

1, a kind of water resource heat pump with high-performance heat exchanger, it includes compressor, condenser, expansion valve and evaporimeter, described condenser is a tubular heat exchanger, it includes housing, tube bank, tube sheet and end socket, make the refrigerant vapour import on the housing top of described heat exchanger, be provided with liquid refrigerant outlet, be provided with described end socket at the two ends of the housing of described heat exchanger in its underpart, in described end socket, be provided with dividing plate, in described housing, be provided with deflection plate; It is characterized in that: be provided with air inlet pipe in described refrigerant vapour import department, the end in the described housing of being located at of described air inlet pipe is provided with the steam distribution head, is provided with some steam jets on described steam distribution head, and it is arranged along the axis direction of restraining in the housing; Described dividing plate in described end socket is in upper-lower position relation ground and is provided with, and described tube bank is divided into a plurality of tube sides that several isolated mutually zones constitute heat exchanger up and down; Be located at described deflection plate in the described housing and comprise a circular slab that is complementary with described housing cross section, its plate face perpendicular to described tube bank be fixedly arranged in the described housing, the lower end of described circular slab is provided with gap, make circular slab and housing that one gap be arranged in the bottom, extension convexes with a transverse slat in the middle of described circular slab deflection plate.
2, the water resource heat pump with high-performance heat exchanger according to claim 1, it is characterized in that: described transverse slat is parallel with described tube bank.
3, the water resource heat pump with high-performance heat exchanger according to claim 1 and 2 is characterized in that: described deflection plate also includes the riser perpendicular to tube bank of being located at described transverse slat inner walls up and down, is provided with the gap between the inwall of described riser and housing.
4, the water resource heat pump with high-performance heat exchanger according to claim 1, it is characterized in that: the steam inlet of described heat exchanger is designed to more than one.
5, the water resource heat pump with high-performance heat exchanger according to claim 1 is characterized in that: be provided with two dividing plates of upper and lower settings in described end socket, two dividing plates will be restrained and will be divided into three isolated mutually parts from top to bottom.
CN 00253851 2000-10-10 2000-10-10 Water source heat pump with high-efficient heat exchanger CN2445259Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 00253851 CN2445259Y (en) 2000-10-10 2000-10-10 Water source heat pump with high-efficient heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 00253851 CN2445259Y (en) 2000-10-10 2000-10-10 Water source heat pump with high-efficient heat exchanger

Publications (1)

Publication Number Publication Date
CN2445259Y true CN2445259Y (en) 2001-08-29

Family

ID=33611224

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 00253851 CN2445259Y (en) 2000-10-10 2000-10-10 Water source heat pump with high-efficient heat exchanger

Country Status (1)

Country Link
CN (1) CN2445259Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105258391A (en) * 2014-07-19 2016-01-20 刘秋克 Flash evaporation working medium pump type low-heat-source heat pump
CN105318590A (en) * 2014-07-19 2016-02-10 刘秋克 Flash gravity difference low heat source heat pump
CN105318589A (en) * 2014-07-05 2016-02-10 刘秋克 Liquid-differential kinetic low-heat source heat pump
CN106524106A (en) * 2016-12-30 2017-03-22 江苏必领能源科技有限公司 Heat pump system generating steam by virtue of low-grade heat source

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105318589A (en) * 2014-07-05 2016-02-10 刘秋克 Liquid-differential kinetic low-heat source heat pump
CN105258391A (en) * 2014-07-19 2016-01-20 刘秋克 Flash evaporation working medium pump type low-heat-source heat pump
CN105318590A (en) * 2014-07-19 2016-02-10 刘秋克 Flash gravity difference low heat source heat pump
CN106524106A (en) * 2016-12-30 2017-03-22 江苏必领能源科技有限公司 Heat pump system generating steam by virtue of low-grade heat source
CN106524106B (en) * 2016-12-30 2018-08-24 江苏必领能源科技有限公司 The heat pump system of steam is generated using low-grade heat source

Similar Documents

Publication Publication Date Title
CN103591722B (en) A kind of handpiece Water Chilling Units
CN201104060Y (en) Indirect evaporation type cooling/condensing unit
CN101886871B (en) Method and device for producing pressure oxygen by air separation
CN201199120Y (en) Separated liquefaction equipment of air conditioner back heating type mine gas
CN201652663U (en) Heat recovery heat pump air conditioning system
CN2814269Y (en) Refrigerating system capable of ejecting scavenge return
CN202002233U (en) Dehumidifier
CN101936616B (en) Evaporative condensate pump circulating year-round refrigeration device
CN201555311U (en) Liquid pump liquid supply multi-linking air conditioning unit with natural cooling function
CN100567857C (en) Embedded oil separating condenser device and using method
CN103635752A (en) Outdoor machine of refrigeration device
CN201037719Y (en) Hot-water heat pump set for gradual increasing water temperature
CN2589920Y (en) Heterotype parallel flow condenser
CN201281522Y (en) Oxygen self-supercharging air separating device
CN102650478A (en) Trans-critical-compression/absorption composite refrigeration device utilizing low-grade heat
CN102519069B (en) Multi-effect cascade jet type heat exchange based exhaust steam waste heat recovering and heat and power jointly producing system
CN104236173A (en) Air-cooling evaporator with air-liquid separator
CN205783959U (en) A kind of net for air-source heat pump units for vegetables and fruits booth
CN2811892Y (en) Air separator by back streaming expansion
CN101539375A (en) Spiral lamina fin type air cooler
CN102230716A (en) Method and device for separating air through air pressurization, backflow expansion and internal compression
CN201997239U (en) Three-in-one heat exchanger
CN102022145A (en) Steam exhaust waste heat recovery unit
CN102269466A (en) Fresh air handling unit
CN104457002B (en) Integrated double-cooling water chilling unit

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20010829

Termination date: 20091110

C17 Cessation of patent right