CN208704208U - A kind of cascade refrigeration formula high temperature water source heat pump units - Google Patents
A kind of cascade refrigeration formula high temperature water source heat pump units Download PDFInfo
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- CN208704208U CN208704208U CN201821343606.5U CN201821343606U CN208704208U CN 208704208 U CN208704208 U CN 208704208U CN 201821343606 U CN201821343606 U CN 201821343606U CN 208704208 U CN208704208 U CN 208704208U
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- heat exchanger
- solenoid valve
- compressor
- circulation system
- valve
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Abstract
The utility model discloses a kind of cascade refrigeration formula high temperature water source heat pump units, are related to heat pump unit field.The utility model includes the first compressor, the first solenoid valve, First Heat Exchanger, the first check valve, liquid storage device, first throttle element, the second heat exchanger, the second compressor, third heat exchanger, the second restricting element, second solenoid valve, third compressor, the 4th heat exchanger, third restricting element, third solenoid valve, the 4th solenoid valve, the 5th solenoid valve and second one-way valve；First compressor is successively connect with the first solenoid valve, First Heat Exchanger, the first check valve, liquid storage device, first throttle element and the second heat exchanger string shape by pipeline, and constitutes first circulation system.Water is constantly carried out circulation continuous heating by the transfer of energy between first circulation system, second circulation system and third circulation system by the utility model, is effectively provided hot water for people and is warmed oneself.
Description
Technical field
The utility model belongs to heat pump unit field, more particularly to a kind of cascade refrigeration formula high temperature Water source heat pump unit
Group.
Background technique
Not only energy utilization rate is low for coal-burning boiler as Chinese tradition heat supply, but also serious dirt can be caused to atmosphere
Dye, therefore coal-burning boiler is being phased out in some cities, using fuel-oil or fuel-gas boiler, then operating cost is very high, uses
Electric heating will consume a large amount of electric energy, and efficiency is lower, and expense is higher.And use traditional air conditioner with air-source heat pump group into
The heating of row heat pump, will receive the low influence of winter environment temperature, and unit fluctuation of service can be made lower than -5 DEG C, and heating capacity declines,
It is difficult to meet the requirement of user.
Water resource heat pump is exactly a kind of technically and financially the solution heat supply all with greater advantage and air-conditioning at present
Alternative, 55 DEG C or 65 DEG C of traditional water source heat pump units maximum water temperature, operating pressure is excessively high under worst hot case, pressure
Than big, Energy Efficiency Ratio is low for contracting, it is impossible to form 90 DEG C or more of heat supply coolant-temperature gage, and compressed machine transport maximum limits, unit exists
Long-term running security reliability is low under worst hot case, cannot provide the hot water of sufficient temp for northern heating mode, still need to
Boiler etc. is used as auxiliary thermal source.
Utility model content
The purpose of this utility model is to provide a kind of cascade refrigeration formula high temperature water source heat pump units, pass through first circulation
The transmitting of energy that water is constantly carried out circulation continuous heating, solution between system, second circulation system and third circulation system
Existing water resource heat pump component of having determined can not effectively carry out water being heated to be the problem of people are effectively heated.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
The utility model is a kind of cascade refrigeration formula high temperature water source heat pump units, including the first compressor, the first electromagnetism
Valve, First Heat Exchanger, the first check valve, liquid storage device, first throttle element, the second heat exchanger, the second compressor, third heat exchange
Device, the second restricting element, second solenoid valve, third compressor, the 4th heat exchanger, third restricting element, third solenoid valve, the 4th
Solenoid valve, the 5th solenoid valve and second one-way valve；
First compressor by pipeline successively with the first solenoid valve, First Heat Exchanger, the first check valve, liquid storage device,
First throttle element and the connection of the second heat exchanger string shape, and constitute first circulation system；
Second compressor is successively connected with third heat exchanger, the second restricting element and First Heat Exchanger string shape by pipeline
It connects, and constitutes second circulation system；
The third compressor is successively changed with the 4th heat exchanger, third restricting element, third solenoid valve, third by pipeline
Hot device is connected with second solenoid valve string shape, and constitutes third circulation system；
First compressor is successively connected with the 4th solenoid valve and the 4th heat exchanger by pipeline；First compression
Machine is successively connected with the 5th solenoid valve and third heat exchanger by pipeline；
The third heat exchanger and the 4th heat exchanger are connected with second one-way valve by pipeline；Described second is single
It is connected to valve by pipeline with First Heat Exchanger.
Further, cold-water return pipe and cold water outlet pipe are separately installed on second heat exchanger；The third is changed
Medium temperature outlet pipe and middle warm water pipe are separately installed on hot device；Be separately installed on 4th heat exchanger high-temperature water outlet pipe and
High-temperature inlet water pipe.
Further, low-temperature refrigerant is used in the first circulation system；The second circulation system and the third
High temperature refrigerant is all made of in the circulatory system.
Further, the First Heat Exchanger, the second heat exchanger, third heat exchanger and the 4th heat exchanger are all made of shell-and-tube
Heat exchanger.
The utility model has the following beneficial effects:
1, the utility model replaces traditional coal-burning boiler by using high temperature water source heat pump units, this mode heats
It is high-efficient, and energy utilization rate is high, unit is stable, environment can be effectively protected, and reduce manufacture and production cost.
2, the utility model passes through low-temperature refrigerant in the interior circulation of first circulation system, and will be hot in First Heat Exchanger
Amount passes to the high temperature refrigerant in second circulation system, and the high temperature refrigerant in second circulation system is in third heat exchanger
The high temperature refrigerant in third circulation system is transferred heat to, the high temperature refrigerant in third circulation system is in the 4th heat exchanger
It is interior that heat is transmitted to external source, thus by hot water heating to 90 DEG C or more, by the energy transmission in three circulatory systems come
Hot water is heated, energy can be effectively utilized, and meet the daily water consumption and heating demands of people, reduce daily life
Cost.
3, the utility model is by the energy transmission of low-temperature refrigerant in first circulation system in second circulation system
High temperature refrigerant heats the water in third heat exchanger, can produce middle warm water to meet people's daily water consumption and heating
Different demands, enrich the function of high temperature water source heat pump units.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of schematic diagram of cascade refrigeration formula high temperature water source heat pump units of the utility model；
In attached drawing, parts list represented by the reference numerals are as follows:
The first compressor of 1-, the first solenoid valve of 2-, 3- First Heat Exchanger, the first check valve of 4-, 5- liquid storage device, 6- first segment
Fluid element, the second heat exchanger of 7-, the second compressor of 8-, 9- third heat exchanger, the second restricting element of 10-, 11- second solenoid valve,
12- third compressor, the 4th heat exchanger of 13-, 14- third restricting element, 15- third solenoid valve, the 4th solenoid valve of 16-, 17-
Five solenoid valves, 18- second one-way valve, 19- cold-water return pipe, 20- cold water outlet pipe, 21- high-temperature water outlet pipe, 22- high-temperature inlet water
Pipe.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, the utility model is a kind of cascade refrigeration formula high temperature water source heat pump units, including the first compressor
1, the first solenoid valve 2, First Heat Exchanger 3, the first check valve 4, liquid storage device 5, first throttle element 6, the second heat exchanger 7, second
Compressor 8, third heat exchanger 9, the second restricting element 10, second solenoid valve 11, third compressor 12, the 4th heat exchanger 13,
Three restricting elements 14, third solenoid valve 15, the 4th solenoid valve 16, the 5th solenoid valve 17 and second one-way valve 18；
Wherein it is dedicated to be all made of domestic YW series of high temperature heat pump for the first compressor 1, the second compressor 8 and third compressor 12
Compressor；First throttle element 6, the second restricting element 10 and third restricting element 14 are all made of electric expansion valve.
First compressor 1 by pipeline successively with the first solenoid valve 2, First Heat Exchanger 3, the first check valve 4, liquid storage device 5,
First throttle element 6 is connected with the second heat exchanger 7 string shape, and constitutes first circulation system；It is followed by low-temperature refrigerant first
Loop system self-energy transmitting effect, can swap water source energy in the second heat exchanger 7, so that in the second heat exchanger 7
Generate cold water.
Second compressor 8 by pipeline successively with third heat exchanger 9, the second restricting element 10 and First Heat Exchanger 3 go here and there shape
Connection, and constitute second circulation system；Low-temperature refrigerant in first circulation system recycles in first circulation system and by water
The high temperature refrigerant in energy and second circulation system that source provides carries out energy exchange transmitting, at this time can be by third heat exchanger 9
The water source of interior process is heated, warm water in generation；
Third compressor 12 by pipeline successively with the 4th heat exchanger 13, third restricting element 14, third solenoid valve 15, the
Three heat exchangers 9 are connected with the string shape of second solenoid valve 11, and constitute third circulation system；High temperature refrigerant in third circulation system
It is recycled in third circulation system, and carries out energy in third heat exchanger 9 with the high temperature refrigerant in second circulation system
Transfer, high temperature refrigerant can heat the liquid passed through in the 4th heat exchanger 13 at this time, generate high-temperature water, water temperature
At least 90 DEG C.
First compressor 1 is successively connected with the 4th solenoid valve 16 and the 4th heat exchanger 13 by pipeline；First compressor 1
Successively it is connected with the 5th solenoid valve 17 and third heat exchanger 9 by pipeline；
Third heat exchanger 9 and the 4th heat exchanger 13 are connected with second one-way valve 18 by pipeline；Second one-way valve 18
It is connected by pipeline with First Heat Exchanger 3；
Wherein, cold-water return pipe 19 and cold water outlet pipe 20 are separately installed on the second heat exchanger 7；
Medium temperature outlet pipe and middle warm water pipe are separately installed on third heat exchanger 9；
High-temperature water outlet pipe 21 and high-temperature inlet water pipe 22 are separately installed on 4th heat exchanger 13.
Wherein, low-temperature refrigerant is used in first circulation system；It is all made of in second circulation system and third circulation system
High temperature refrigerant, high temperature refrigerant are DR140 high temperature refrigerant.
Wherein, First Heat Exchanger 3, the second heat exchanger 7, third heat exchanger 9 and the 4th heat exchanger 13 are all made of shell-and-tube and change
The heat exchange area of hot device, shell-and-tube heat exchanger is bigger than other heat exchanger areas, can effectively improve heat exchange efficiency.
One concrete application of the present embodiment are as follows:
Refrigerating operaton: the work of the first compressor 1, the second compressor 8 and third compressor 12 are closed, the first solenoid valve 2, the
Two solenoid valves 11 and third solenoid valve 15 are closed, the 4th solenoid valve 16 and the work of the 5th solenoid valve 17；Low-temperature refrigerant is first
The 4th heat exchanger 13 and third heat exchanger 9 are flowed to respectively through the 4th solenoid valve 16 and the 5th solenoid valve 17 under the effect of compressor 1, and
Condensation heat release is carried out in the 4th heat exchanger 13 and third heat exchanger 9 becomes medium temperature high pressure liquid refrigerant, medium temperature highly pressurised liquid
Refrigerant is through successively becoming low-temp low-pressure liquid after second one-way valve 18, the first check valve 4, liquid storage device 5 and first throttle element 6
Cryogen, low temperature low pressure liquid refrigerants become low-temp low-pressure steam refrigerant, low temperature after the heat absorption evaporation of the second heat exchanger 7
Low pressure gas refrigerant returns to the first compressor 1 from 1 gas returning port of the first compressor, circuits sequentially reciprocal formation refrigeration cycle work
Make, and after the water source in the second heat exchanger 7 is cooled, cold water will be generated, and this mode heat exchange efficiency is high.
Medium temperature heating executes: the first compressor 1 and the work of the second compressor 8, third compressor 12 are closed, second solenoid valve
11, third solenoid valve 15, the 4th solenoid valve 16 and the 5th solenoid valve 17 are closed, the work of the first solenoid valve 2, in first circulation system
Low-temperature refrigerant the first compressor 1 effect under, become medium temperature highly pressurised liquid after condensation heat release is carried out in First Heat Exchanger 3
Refrigerant, medium temperature high pressure liquid refrigerant successively through the first check valve 4, flow through liquid reservoir 4 and first throttle element 6 after become low
Warm low pressure liquid refrigerant, low temperature low pressure liquid refrigerants are low by carrying out the low temperature that heat absorption evaporation becomes after the second heat exchanger 7
Steam refrigerant is pressed to return to the first compressor 1 from the gas returning port of the first compressor 1；
Under the action of the second compressor 8, high pressure, high temperature refrigerant in second circulation system in third heat exchanger 9 into
Become medium temperature high pressure liquid refrigerant after row exothermic condensation, medium temperature high pressure liquid refrigerant becomes low temperature through the second restricting element 10
It after low pressure liquid refrigerant, is flowed into First Heat Exchanger 3, and absorbs low-temperature refrigerant in first circulation system and exchange heat first
Become low-temp low-pressure steam refrigerant after the heat that device 3 discharges, low-temp low-pressure steam refrigerant is finally from time of the second compressor 8
Port returns to the second compressor 8 and flows into the water source in third heat exchanger 9 so on circulate, by warm water in generation.
High temperature heating executes: the first compressor 1, the second compressor 8 and third compressor 12 work, the first solenoid valve 2,
Second solenoid valve 11 and third solenoid valve 15 work, and the 4th solenoid valve 16 and the 5th solenoid valve 17 are closed, and medium temperature heating executes
It continues to execute, under the action of third compressor 12, the high pressure, high temperature refrigerant in third circulation system will be in the 4th heat exchanger
13 carry out condensation heat release, become the liquid refrigerant of low-temp low-pressure, the liquid refrigerating of low-temp low-pressure after third restricting element 14
Agent absorbs high temperature refrigerant in second circulation system and becomes low-temp low-pressure steam refrigeration after the heat that third heat exchanger 9 discharges
Agent, most the gas returning port through third compressor 12 returns in third compressor 12 low-temp low-pressure steam refrigerant afterwards, and so on follows
Ring, the water source flowed into the 4th heat exchanger 13 will generate high-temperature water.
Furthermore the first above compressor 1, the second compressor 8, third compressor 12, the first solenoid valve 2, second solenoid valve
11, third solenoid valve 15, the 4th solenoid valve 16 and the 5th solenoid valve 17 are controlled by control panel.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (4)
1. a kind of cascade refrigeration formula high temperature water source heat pump units, it is characterised in that: including the first compressor (1), the first electromagnetism
Valve (2), First Heat Exchanger (3), the first check valve (4), liquid storage device (5), first throttle element (6), the second heat exchanger (7),
Two compressors (8), third heat exchanger (9), the second restricting element (10), second solenoid valve (11), third compressor (12), the 4th
Heat exchanger (13), third restricting element (14), third solenoid valve (15), the 4th solenoid valve (16), the 5th solenoid valve (17) and
Two check valves (18)；
First compressor (1) by pipeline successively with the first solenoid valve (2), First Heat Exchanger (3), the first check valve (4),
Liquid storage device (5), first throttle element (6) connect with the second heat exchanger (7) string shape, and constitute first circulation system；
Second compressor (8) by pipeline successively with third heat exchanger (9), the second restricting element (10) and First Heat Exchanger
(3) string shape connection, and constitute second circulation system；
The third compressor (12) by pipeline successively with the 4th heat exchanger (13), third restricting element (14), third electromagnetism
Valve (15), third heat exchanger (9) connect with second solenoid valve (11) string shape, and constitute third circulation system；
First compressor (1) is successively connected with the 4th solenoid valve (16) and the 4th heat exchanger (13) by pipeline；It is described
First compressor (1) is successively connected with the 5th solenoid valve (17) and third heat exchanger (9) by pipeline；
The third heat exchanger (9) and the 4th heat exchanger (13) are connected with second one-way valve (18) by pipeline；Institute
Second one-way valve (18) are stated to be connected by pipeline with First Heat Exchanger (3).
2. a kind of cascade refrigeration formula high temperature water source heat pump units according to claim 1, which is characterized in that described second
Cold-water return pipe (19) and cold water outlet pipe (20) are separately installed on heat exchanger (7)；
Medium temperature outlet pipe and middle warm water pipe are separately installed on the third heat exchanger (9)；
High-temperature water outlet pipe (21) and high-temperature inlet water pipe (22) are separately installed on 4th heat exchanger (13).
3. a kind of cascade refrigeration formula high temperature water source heat pump units according to claim 1, which is characterized in that described first
Low-temperature refrigerant is used in the circulatory system；High-temperature refrigeration is all made of in the second circulation system and the third circulation system
Agent.
4. a kind of cascade refrigeration formula high temperature water source heat pump units according to claim 1, which is characterized in that described first
Heat exchanger (3), the second heat exchanger (7), third heat exchanger (9) and the 4th heat exchanger (13) are all made of shell-and-tube heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821343606.5U CN208704208U (en) | 2018-08-20 | 2018-08-20 | A kind of cascade refrigeration formula high temperature water source heat pump units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821343606.5U CN208704208U (en) | 2018-08-20 | 2018-08-20 | A kind of cascade refrigeration formula high temperature water source heat pump units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208704208U true CN208704208U (en) | 2019-04-05 |
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ID=65943713
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821343606.5U Expired - Fee Related CN208704208U (en) | 2018-08-20 | 2018-08-20 | A kind of cascade refrigeration formula high temperature water source heat pump units |
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| CN (1) | CN208704208U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260547A (en) * | 2019-06-13 | 2019-09-20 | 科希曼电器有限公司 | Temperature protection system for cascade type heat pump |
| CN110594881A (en) * | 2019-10-23 | 2019-12-20 | 湖南华锐五季节能技术有限公司 | Cold and warm dual-purpose central air conditioning unit |
| CN110595108A (en) * | 2019-10-23 | 2019-12-20 | 刘小江 | Dual-purpose switching type heat pump unit for preventing freezing pipe |
-
2018
- 2018-08-20 CN CN201821343606.5U patent/CN208704208U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260547A (en) * | 2019-06-13 | 2019-09-20 | 科希曼电器有限公司 | Temperature protection system for cascade type heat pump |
| CN110594881A (en) * | 2019-10-23 | 2019-12-20 | 湖南华锐五季节能技术有限公司 | Cold and warm dual-purpose central air conditioning unit |
| CN110595108A (en) * | 2019-10-23 | 2019-12-20 | 刘小江 | Dual-purpose switching type heat pump unit for preventing freezing pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 Termination date: 20200820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |