CN203413820U - Water heating unit of double-source high-temperature heat pump - Google Patents
Water heating unit of double-source high-temperature heat pump Download PDFInfo
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- CN203413820U CN203413820U CN201320427672.1U CN201320427672U CN203413820U CN 203413820 U CN203413820 U CN 203413820U CN 201320427672 U CN201320427672 U CN 201320427672U CN 203413820 U CN203413820 U CN 203413820U
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Abstract
The utility model relates to a water heating unit of a double-source high-temperature heat pump. The water heating unit comprises a compressor, a high-efficiency heat exchanger and a heat preservation water tank, wherein a pipeline between the outlet end of the compressor and the inlet end of the high-efficiency heat exchanger is connected with a four-way valve; a liquid storage pot, a filter and a thermal expansion valve are sequentially arranged on a pipeline between the outlet end of the high-efficiency heat exchanger and the inlet end of an air-source high-temperature heat pump or a water-source high-temperature heat pump; a pipeline between the outlet end of the air-source high-temperature heat pump or the water-source high-temperature heat pump and the inlet end of the compressor is sequentially connected with the four-way valve and a separator, and a closed refrigerant circulation system can be finally formed; cold water in the heat preservation water tank exchanges heat with the high-efficiency heat exchanger through a circulation pipeline with a circulation pump; the air-source high-temperature heat pump and the water-source high-temperature heat pump are switchable. The water heating unit ensures that equipment can obtain relatively stable high-temperature hot water while processing the high-temperature hot water through high air temperature in the environment or stable water source temperature; the heating efficiency of the equipment is over three times higher than that of original equipment.
Description
Technical field
The utility model relates to a kind of heat-pump hot-water unit, especially relates to a kind of double source high temperature thermal pump water heater group.
Background technology
High-temperature-hot-water is for many industrial production lives, and for example leather manufacture industry, electroplating industry, slaughtering industry, dyeing all need to use high-temperature-hot-water, the laundry industry in life, and the industry that washes the dishes also can be used high-temperature-hot-water.And in present stage, the main source of 90 ℃ of above high-temperature-hot-waters is by electric heater, coal-burning boiler, gas fired-boiler obtain.Adopt net for air-source heat pump units to produce high-temperature-hot-waters more than 90 degree, its principle is in evaporimeter, to be moved and absorbed airborne heat by driven compressor cold-producing medium, and when air themperature is too low, heat exchange efficiency can decline.
The hot water that adopts traditional approach fire coal, combustion gas, burning material, electrical heating to process 90 ℃-100 ℃ has exposed all deficiencies gradually:
1, adopt coal, gas, material burning to consume mass energy, produce CO
2isothermal chamber gas, is the arch-criminal of greenhouse effects, produces nitride and sulfide and causes the disasters such as acid rain;
2, traditional coal-burning boiler thermal efficiency only have 70% less than, thermal losses is quite large, on the other hand because hot water temperature is high, the heat insulation effect of legacy equipment is on duty mutually, has further strengthened heat loss, increases power consumption.
3, adopt electric heater that high-temperature-hot-water is provided, the unit calorific value electric due to every degree only has 860 kilocalories, and directly quite large by the resistance wire power consumption that generates heat, energy expenditure is high.
4, air source high-temperature heat pump Hot water units is subject to the impact of environment temperature in the process of processing high-temperature-hot-water, and when temperature is lower, the in the situation that of identical power consumption, high-temperature-hot-water amount is fewer.Thereby air source high-temperature heat pump is subject to the impact of environment temperature larger.
Utility model content
The utility model has designed a kind of double source high temperature thermal pump water heater group, the technical problem of its solution be air source high-temperature heat pump when low temperature environment moves, efficiency is relatively on the low side.
In order to solve the technical problem of above-mentioned existence, the utility model has adopted following scheme:
A high temperature thermal pump water heater group, comprise compressor (1), high-performance heat exchanger (3),
And attemperater (4), on pipeline between compressor (1) port of export and high-performance heat exchanger (3) arrival end, be connected cross valve (2), on pipeline between high-performance heat exchanger (3) port of export and air source high-temperature heat pump or water source high-temperature heat pump arrival end, be provided with successively fluid reservoir (6), filter (7) and heating power expansion valve (8), on the pipeline between air source high-temperature heat pump or the water source high-temperature heat pump port of export and compressor (1) arrival end, be connected with described cross valve (2) and separator (10) the final refrigerant-cycle systems that forms enclosed in turn; Cold water in attemperater (4) carries out heat exchange by circulating line and the high-performance heat exchanger (3) of circulating pump (5) is housed, and is switchable between air source high-temperature heat pump and water source high-temperature heat pump.
Further, air source high-temperature heat pump comprises blower fan (19) and air heat-exchange formula evaporimeter (20), and the cold-producing medium input channel of air heat-exchange formula evaporimeter (20) is connected with heating power expansion valve (8) output, and is provided with the 3rd magnetic valve (15); The cold-producing medium output channel of air heat-exchange formula evaporimeter (20) is connected with an input port of cross valve (2), and is provided with the 4th magnetic valve (16).
Further, water source high-temperature heat pump comprises water heat exchange type evaporimeter (14), and water heat exchange type evaporimeter (14) forms circulation waterway by water inlet pipe (12) and outlet pipe (13), and water is the chilled water that surface water, underground water or air-conditioner water system produce; The cold-producing medium input channel of water heat exchange type evaporimeter (14) is also connected with heating power expansion valve (8) output, and is provided with the second magnetic valve (10); The cold-producing medium output channel of water heat exchange type evaporimeter (14) is connected with an input port of cross valve (2), and is provided with the 5th magnetic valve (17); The cold-producing medium output channel of the cold-producing medium output channel of air heat-exchange formula evaporimeter (20) and water heat exchange type evaporimeter (14) shares an input port of cross valve (2).
Further, high-performance heat exchanger (3) comprises a plurality of heat exchange units (31), and a plurality of heat exchange units (31) are connected in series by pipeline.
Further, circulating line comprises cocycle pipeline and lower circulating line, described circulating pump (5) is arranged on lower circulating line, and the cold water in attemperater (4) enters in high-performance heat exchanger (3) from lower circulating line, from cocycle pipeline, is back to attemperater (4).
Further, also comprise release pipeline, described release pipe ends is connected on the pipeline of heating power expansion valve (8) entrance point and the port of export, and described release pipeline is provided with magnetic valve (9).
This double source high temperature thermal pump water heater group is compared with existing heat-pump hot-water unit, has following beneficial effect:
(1) the utility model is owing to being switchable between air source high-temperature heat pump and water source high-temperature heat pump, utilized air themperature or the stable water source temperature that environment is higher to make equipment when processing high-temperature-hot-water, obtain metastable high-temperature-hot-water, and the heating efficiency of equipment is all more than 3 times, greatly improve heat exchange efficiency, saved energy.
(2) the utility model without central air conditioning water system in the situation that, can be set as air source high-temperature heat pump hot water pattern in summer, because environment temperature is high, can obtain stable high-temperature-hot-water.
(3) the utility model especially cold place in the winter time, can be set as water source high-temperature heat pump hot water pattern, because the water temperature of underground water (surface water) is relatively stable, underground water particularly, temperature is all more than 12 ℃ throughout the year, equipment is not subject to the impact of environment temperature in when operation, even at the environment of-30 ℃, by 90 ℃ of above its efficiency of high-temperature-hot-water COP values of water source high-temperature heat pump Hot water units processing still more than 3.0.
(4) the utility model is in the situation that have central air conditioning water system summer, can directly be set as water source high-temperature heat pump pattern and carry out processing hot water, by absorbing the temperature of chilled water backwater 12 degree in air-conditioner water system, directly obtain high-temperature-hot-water, equipment also reduces the temperature of the chilled water backwater of the equipment of flowing through in the process of processing high-temperature-hot-water simultaneously, improve the efficiency of central air-conditioning refrigeration system, equipment has just played the double effects of producing high-temperature-hot-water and refrigeration, energy saving in running simultaneously like this.When air-conditioning is when changing according to the season, can be air source high-temperature heat pump hot water pattern by host setting, equipment and air carry out heat exchange, still can obtain stable high-temperature-hot-water, when temperature is fallen in subzero, be reset to water source high-temperature heat pump pattern, equipment carries out thermal effect with water and changes, and heat exchange efficiency is high.
(5) the utility model has solved air source high-temperature heat pump when low temperature environment moves, the problem that efficiency is relatively on the low side.Also avoid fire coal, combustion gas, the exhaustive exploitation of burning material to primary energy, without any harmful toxins discharge, met national sustainable development path, can substitute electric heater, coal burning boiler, gas fired-boiler completely.
Accompanying drawing explanation
Fig. 1: the systematic schematic diagram of the utility model double source high temperature thermal pump water heater group.
Description of reference numerals:
1-compressor; 2-cross valve; 3-high-performance heat exchanger; 31-heat exchange unit; 4-attemperater; 5-circulating pump; 6-fluid reservoir; 7-filter; 8-heating power expansion valve; The 9-the first magnetic valve; The 10-the second magnetic valve; 11-circulating pump; 12-water inlet pipe; 13-outlet pipe; 14-water heat exchange type evaporimeter; The 15-the three magnetic valve; The 16-the four magnetic valve; The 17-the five magnetic valve; 18-separator; 19-blower fan; 20-air heat-exchange formula evaporimeter.
The specific embodiment
Below in conjunction with Fig. 1, the utility model is described further:
Double source high temperature thermal pump water heater group mainly contains the critical pieces such as compressor 1, cross valve 2, high-performance heat exchanger 3, attemperater 4, circulating pump 5, fluid reservoir 6, filter 7, heating power expansion valve 8, the first magnetic valve 9, the second magnetic valve 10, circulating pump 11, water inlet pipe 12, outlet pipe 13, water heat exchange type evaporimeter 14, the 3rd magnetic valve 15, the 4th magnetic valve 16, the 5th magnetic valve 17, separator 18, blower fan 19 and air heat-exchange formula evaporimeter 20 and forms.All critical pieces connect to form the high temperature refrigerant circulatory system of an enclosed by copper pipe.
Equipment adopts control panel to control, and according to environment for use, can select flexibly two different controlling run patterns as follows respectively:
1, air source high-temperature heat pump hot water pattern (be applicable to environment temperature more than 10 ℃ in the situation that):
The flow process in its when operation is followed successively by: the second magnetic valve 10, the 5th magnetic valve 17 no powers are normally closed, the 3rd magnetic valve 15, the 4th magnetic valve 16 energisings are often opened.Blower fan 19 on air heat-exchange formula evaporimeter 20 started operation after 10 seconds, circulating pump 5 brought into operation after 30 seconds, compressor 1 brings into operation, in the process of operation, after the low-temperature low-pressure refrigerant of absorption from air heat-exchange formula evaporimeter 20, compressor 1 becomes refrigerant compression the gaseous state of HTHP, its refrigerant temperature can reach 145 ℃, the cold-producing medium of HTHP starts release heat while flowing through high-performance heat exchanger 3 by cross valve 2, by circulating pump 5, drive the water in attemperater 4 to be recycled to high-performance heat exchanger 3, cold water is stored to flowing into attemperater 4 between 100 ℃ by one-time heating to 90 ℃.
There is gas-liquid mixed state in the reduction of high-temperature high-pressure refrigerant temperature, when cold-producing medium is flowed through fluid reservoir 6, fraction liquid refrigeration device is stored, most of gaseous refrigerant is when flowing through filter 7, impurity in cold-producing medium further cleans, the stability of enhancing system, intrasystem cold-producing medium becomes the gaseous state of low-temp low-pressure after damming by heating power expansion valve 8, and minimum temperature reaches-30 ℃.
During low-temperature low-pressure refrigerant process air heat-exchange formula evaporimeter 20, by blower fan 19, constantly drive air by air heat-exchange formula evaporimeter 20, air and the 20 internal refrigeration storage agent of air heat-exchange formula evaporimeter are carried out heat exchange in the effect of the temperature difference, the temperature of air further reduces outside discharge chamber, low-temperature refrigerant heat absorption forms liquid state, by cross valve 2, gets back to separator 18, and sub-fraction liquid refrigerant is stored, most of cryogenic gaseous cold-producing medium is got back to compressor 1 again, so iterative cycles.
The temperature of attemperater 4 reaches design temperature shuts down, and the hot water in attemperater is during lower than design temperature, and main frame can start heating automatically.When in the process that main frame is moving, system pressure is too high, the first magnetic valve 9 can be opened automatically, impels main frame can not shut down because of hypertonia, makes the stable operation of main frame energy.When hot water is used, only the hot water in attemperater 4 need to be retracted to and use hot water to make a little.Due to, high temperature mix refrigerant and high-efficiency multi-stage heat exchanger have been adopted, the high-temperature high-pressure refrigerant that high temperature refrigerant extrudes by compressor is fully heat exchange in high-performance heat exchanger, cascade raising temperature, thereby temperature constantly raises in heat exchanger, by regulating flow of inlet water to reach once more than water heat exchange to 90 ℃.
2, water source high-temperature heat pump hot water pattern (being applicable to environment temperature in the situation that having water source below for 2 ℃, for example surface water, underground water, or in the situation that have central air conditioning water system chilled water summer):
The flow process in its when operation is followed successively by: the second magnetic valve 10, the 5th magnetic valve 17 energisings are often opened, the 3rd magnetic valve 15, the 4th magnetic valve 16 power-off are normally closed.(surface water in water inlet pipe 12 and outlet pipe 13 access water, underground water, air conditioning water), water circulating pump 11 on water heat exchange type evaporimeter 14 started operation after 10 seconds, circulating pump 5 brought into operation after 30 seconds, compressor 1 brings into operation, in the process of operation, absorb after the low-temperature low-pressure refrigerant of water heat exchange type evaporimeter 14, compressor 1 becomes refrigerant compression the gaseous state of HTHP, its refrigerant temperature can reach 145 ℃, the cold-producing medium of HTHP starts release heat while flowing through high-performance heat exchanger 3 by cross valve 2, by circulating pump 5, drive the water in attemperater 4 to be recycled to high-performance heat exchanger 3, cold water is stored to flowing into attemperater 4 between 100 ℃ by one-time heating to 90 ℃.
There is gas-liquid mixed state in the reduction of high-temperature high-pressure refrigerant temperature, when cold-producing medium is flowed through fluid reservoir 6, fraction liquid refrigeration device is stored, most of gaseous refrigerant is when flowing through filter 7, impurity in cold-producing medium further cleans, the stability of enhancing system, intrasystem cold-producing medium becomes the gaseous state of low-temp low-pressure after damming by heating power expansion valve 8, and minimum temperature reaches-30 ℃.
Low-temp low-pressure refrigerated medium is when through water heat exchange type evaporimeter 14, by circulating pump 11, drive the water in water inlet pipe 12 to enter water heat exchange type evaporimeter 14, water and the 14 internal refrigeration storage agent of water heat exchange type evaporimeter are carried out heat exchange in the effect of the temperature difference, the temperature of water further reduces and discharges by outlet pipe 13, low-temperature refrigerant heat absorption forms liquid state, by cross valve 2, get back to separator 18, sub-fraction liquid refrigerant is stored, most of cryogenic gaseous cold-producing medium is got back to compressor 1 again, so iterative cycles.
The temperature of attemperater 4 reaches design temperature shuts down, and the hot water in attemperater is during lower than design temperature, and main frame can start heating automatically.When in the process that main frame is moving, system pressure is too high, the first magnetic valve 9 can be opened automatically, impels main frame can, because of hypertonia machine, not make the stable operation of main frame energy.
The feature of the utility model double source high temperature thermal pump water heater group:
Owing to having adopted high temperature mix refrigerant and high-efficiency multi-stage heat exchanger, the high-temperature high-pressure refrigerant that high temperature refrigerant extrudes by compressor is fully heat exchange in high-performance heat exchanger, cascade raising temperature, thereby temperature constantly raises in heat exchanger, by regulating flow of inlet water to reach once more than water heat exchange to 90 ℃.
Equipment can also can carry out heat exchange by water source by air heat-exchange in use, in the place without water source, can adopt air-source processing high-temperature-hot-water, in the situation that water source is more sufficient, for example, when the chilled water with central air conditioner system docks, can in the situation that producing high-temperature-hot-water, further reduce the temperature of air-conditioning system chilled water, reach the object of air conditioner refrigerating.Play the effect of dual-use.According to environment for use, equipment can select different mode to carry out work flexibly.
By reference to the accompanying drawings the utility model has been carried out to exemplary description above; obvious realization of the present utility model is not subject to the restrictions described above; as long as the various improvement that adopted method design of the present utility model and technical scheme to carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all in protection domain of the present utility model.
Claims (8)
1. a double source high temperature thermal pump water heater group, comprise compressor (1), high-performance heat exchanger (3) and attemperater (4), on pipeline between compressor (1) port of export and high-performance heat exchanger (3) arrival end, be connected cross valve (2), on pipeline between high-performance heat exchanger (3) port of export and air source high-temperature heat pump or water source high-temperature heat pump arrival end, be provided with successively fluid reservoir (6), filter (7) and heating power expansion valve (8), on pipeline between air source high-temperature heat pump or the water source high-temperature heat pump port of export and compressor (1) arrival end, be connected with described cross valve (2) and separator (10) the final refrigerant-cycle systems that forms enclosed in turn, cold water in attemperater (4) carries out heat exchange by circulating line and the high-performance heat exchanger (3) of circulating pump (5) is housed, and it is characterized in that: between air source high-temperature heat pump and water source high-temperature heat pump, be switchable.
2. double source high temperature thermal pump water heater group according to claim 1, it is characterized in that: air source high-temperature heat pump comprises blower fan (19) and air heat-exchange formula evaporimeter (20), the cold-producing medium input channel of air heat-exchange formula evaporimeter (20) is connected with heating power expansion valve (8) output, and is provided with the 3rd magnetic valve (15); The cold-producing medium output channel of air heat-exchange formula evaporimeter (20) is connected with an input port of cross valve (2), and is provided with the 4th magnetic valve (16).
3. according to double source high temperature thermal pump water heater group described in claim 1 or 2, it is characterized in that: water source high-temperature heat pump comprises water heat exchange type evaporimeter (14), water heat exchange type evaporimeter (14) forms circulation waterway by water inlet pipe (12) and outlet pipe (13), and water is the chilled water that surface water, underground water or air-conditioner water system produce; The cold-producing medium input channel of water heat exchange type evaporimeter (14) is also connected with heating power expansion valve (8) output, and is provided with the second magnetic valve (10); The cold-producing medium output channel of water heat exchange type evaporimeter (14) is connected with an input port of cross valve (2), and is provided with the 5th magnetic valve (17); The cold-producing medium output channel of the cold-producing medium output channel of air heat-exchange formula evaporimeter (20) and water heat exchange type evaporimeter (14) shares an input port of cross valve (2).
4. according to double source high temperature thermal pump water heater group described in claim 1 or 2, it is characterized in that: high-performance heat exchanger (3) comprises a plurality of heat exchange units (31), a plurality of heat exchange units (31) are connected in series by pipeline.
5. double source high temperature thermal pump water heater group according to claim 4, it is characterized in that: circulating line comprises cocycle pipeline and lower circulating line, described circulating pump (5) is arranged on lower circulating line, cold water in attemperater (4) enters in high-performance heat exchanger (3) from lower circulating line, from cocycle pipeline, is back to attemperater (4).
6. according to double source high temperature thermal pump water heater group described in any one in claim 1,2,5, it is characterized in that: also comprise release pipeline, described release pipe ends is connected on the pipeline of heating power expansion valve (8) entrance point and the port of export, and described release pipeline is provided with magnetic valve (9).
7. double source high temperature thermal pump water heater group according to claim 3, it is characterized in that: also comprise release pipeline, described release pipe ends is connected on the pipeline of heating power expansion valve (8) entrance point and the port of export, and described release pipeline is provided with magnetic valve (9).
8. double source high temperature thermal pump water heater group according to claim 4, it is characterized in that: also comprise release pipeline, described release pipe ends is connected on the pipeline of heating power expansion valve (8) entrance point and the port of export, and described release pipeline is provided with magnetic valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320427672.1U CN203413820U (en) | 2013-07-18 | 2013-07-18 | Water heating unit of double-source high-temperature heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320427672.1U CN203413820U (en) | 2013-07-18 | 2013-07-18 | Water heating unit of double-source high-temperature heat pump |
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| Publication Number | Publication Date |
|---|---|
| CN203413820U true CN203413820U (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320427672.1U Expired - Fee Related CN203413820U (en) | 2013-07-18 | 2013-07-18 | Water heating unit of double-source high-temperature heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203413820U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318599A (en) * | 2014-06-13 | 2016-02-10 | 财团法人工业技术研究院 | Cold and hot multifunctional heat pump equipment |
| CN108344088A (en) * | 2018-03-15 | 2018-07-31 | 田云 | A kind of heat pump water transfer controlled atmosphere storage is seperated or monoblock type unit |
-
2013
- 2013-07-18 CN CN201320427672.1U patent/CN203413820U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318599A (en) * | 2014-06-13 | 2016-02-10 | 财团法人工业技术研究院 | Cold and hot multifunctional heat pump equipment |
| CN105318599B (en) * | 2014-06-13 | 2017-09-05 | 财团法人工业技术研究院 | Cold and hot multifunctional heat pump equipment |
| CN108344088A (en) * | 2018-03-15 | 2018-07-31 | 田云 | A kind of heat pump water transfer controlled atmosphere storage is seperated or monoblock type unit |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20160718 |
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| CF01 | Termination of patent right due to non-payment of annual fee |