CN201050838Y - Highly effective instant heating type heat pump hot-water system - Google Patents
Highly effective instant heating type heat pump hot-water system Download PDFInfo
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- CN201050838Y CN201050838Y CNU2007201483368U CN200720148336U CN201050838Y CN 201050838 Y CN201050838 Y CN 201050838Y CN U2007201483368 U CNU2007201483368 U CN U2007201483368U CN 200720148336 U CN200720148336 U CN 200720148336U CN 201050838 Y CN201050838 Y CN 201050838Y
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- temperature sensor
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- hot
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Abstract
The utility model discloses a high-efficiency instant-heat heat pump hot water system, which comprises a coolant circulation portion and a hot water generation circulation portion. The coolant circulation portion comprises a compressor, a first heat exchanger, a second heat exchanger, an expansion valve, a separating head, an evaporator, and a steam separator which are connected in turn to form a circulation loop, provided with a liquid supply temperature sensor and a reflux steam temperature sensor, the water pump of the hot water generation circulation portion is connected with the water inlet of a second heat exchanger, the water outlet tube of the second heat exchanger is divided into two branches, while one branch via a reflux adjusting valve is feedback to the water inlet of the water pump and another branch is connected with the water inlet of the first heat exchanger, the water outlet tube of the first heat exchanger is parallel connected with a water outlet flux adjusting valve and a water outlet switch valve, provided with a water supply temperature sensor. The utility model has the advantages of instantaneous application, non deposition, easy cleaning, low condense temperature, and long service life.
Description
Technical field
The utility model relates to a kind of hot-water supply system, a kind of more precisely efficient instant heating type heat pump hot-water heating system.
Background technology
Heat pump hot-water system is applicable to annual all wanted the hot water supply and not to be subjected to seasonal variations and weather effect is heated to temperature required occasion to water, and therefore taking various heat pump mode that water is heated just becomes important research project.Main heat pump hot-water system has two kinds at present: circulating and Instant heating type, as shown in Figure 1, circulating is by water pump 16 water in the hot water storage tank 17 constantly to be cycled through heat exchanger 18 slowly to heat, the heat exchanger of this mode of heating is difficult for connecing dirt, but be not suitable for the plug and play system, and when the water in the water tank is heated to higher temperature, the condensation temperature of system and exhaust are very high, greatly reduce the life-span of compressor 19, as shown in Figure 2, Instant heating type is to need temperature by high-performance heat exchanger 18 disposable water is heated to, though this mode of heating can satisfy the instant-heating needs, and the condensation temperature of refrigeration system is relatively low, but water flow velocity is little in the heat exchanger, easily connects dirt, safeguard that use is cumbersome, after heat exchanger connect dirt, unit performance seriously descended, and unit durability is short.
The utility model content
At the deficiency that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of efficient instant heating type heat pump hot-water heating system.This system had both had the advantage of plug and play, had less scaling easy cleaned advantage again, guaranteed lower condensation temperature simultaneously, and unit durability is long.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of efficient instant heating type heat pump hot-water heating system, comprise that refrigerant cyclic part and hot water generate cyclic part, described refrigerant cyclic part is provided with compressor, first-class heat exchanger, secondary heat exchanger, expansion valve, liquid-dividing head, evaporimeter and vapour liquid separator, above-mentioned each building block is in turn connected to form closed circuit, wherein the pipeline between secondary heat exchanger and the expansion valve is provided with the feed flow temperature sensor, pipeline between vapour liquid separator and the compressor is provided with the back-steam temperature sensor, described hot water generates cyclic part and is provided with water pump, the circling water flow rate control valve, water flow control valve and effluent switch valve, the water inlet of water pump and secondary heat exchanger links, the outlet pipeline of secondary heat exchanger is divided into two, a water inlet that returns water pump by the circling water flow rate control valve, another water inlet with first-class heat exchanger links, be installed in parallel water flow control valve and effluent switch valve on the outlet pipeline of first-class heat exchanger, and be provided with the supply water temperature sensor.
The outlet pipeline of described first-class heat exchanger is connected with initiatively attemperater.
The utlity model has following outstanding beneficial effect:
1) under the situation that realizes high efficiency heat energy transformation function, not only reached the function of instant-heating, kept having in the heat exchanger higher water velocity again, slowed down the scale velocity of water greatly;
2) system adopts the incrustation scale that two-stage heat exchanger sharing system is produced, and heat exchanger is capable of washing, improves the life-span of heat exchanger greatly;
3) system has the two-stage heating that the two-stage heat exchanger has been realized the cooling of refrigerant two-stage and water, has not only guaranteed that cold-producing medium has lower condensation temperature but also protected compressor;
4) system has guaranteed stable and continuous hot water supply by supply water temperature sensor and the associated working of water flow control valve, and this system and the initiatively supporting use of attemperater can effectively guarantee higher heating efficiency simultaneously.
Description of drawings
Fig. 1 is the systematic schematic diagram of existing circulating heat pump hot-water system;
Fig. 2 is the systematic schematic diagram of existing directly-heated type heat pump hot-water system;
Fig. 3 is a systematic schematic diagram of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Description of reference numerals is as follows:
1,19---compressor 2---first-class heat exchanger
3---secondary heat exchanger 4---expansion valve
5---liquid-dividing head 6---evaporimeter
7---vapour liquid separator 8---back-steam temperature sensor
9---feed flow temperature sensor 10,16---water pump
11---circling water flow rate control valve 12---water flow control valve
13---effluent switch valve 14---supply water temperature sensor
15---active attemperater 17---hot water storage tank
18---heat exchanger
This efficient instant heating type heat pump hot-water heating system mainly generates cyclic part by refrigerant cyclic part and hot water and forms.
Shown in Fig. 3 right half part, the refrigerant cyclic part is provided with compressor 1, first-class heat exchanger 2, secondary heat exchanger 3, expansion valve 4, liquid-dividing head 5, evaporimeter 6 and vapour liquid separator 7, above-mentioned each building block is in turn connected to form closed circuit, wherein the pipeline between secondary heat exchanger 3 and the expansion valve 4 is provided with feed flow temperature sensor 9, and the pipeline between vapour liquid separator 7 and the compressor 1 is provided with back-steam temperature sensor 8.Compressor 1 high-temperature exhaust air passes through first-class heat exchanger 2, secondary heat exchanger 3 successively during operate as normal, the normal-temperature water of heat exchanger of will flowing through when self obtains cooling off is heated to design temperature, the HTHP gaseous coolant that is cooled becomes the high-pressure liquid refrigerant, enter evaporimeter 6 through the throttle mechanism throttling, refrigerant absorbs heat in evaporimeter 6 after the vaporization, is sucked back to discharge from new compression by compressor 1 through vapour liquid separator 7 and finishes circulation.
Shown in Fig. 3 left-half, hot water generates cyclic part and is provided with water pump 10, circling water flow rate control valve 11, water flow control valve 12 and effluent switch valve 13, water pump 11 links with the water inlet of secondary heat exchanger 3, the outlet pipeline of secondary heat exchanger 3 is divided into two, a water inlet that returns water pump 10 by circling water flow rate control valve 11, another water inlet with first-class heat exchanger 2 links, be installed in parallel water flow control valve 12 and effluent switch valve 13 on the outlet pipeline of first-class heat exchanger 2, and being provided with supply water temperature sensor 14, end is connected with initiatively attemperater 15.Enter one under the clean water supply normal temperature during operate as normal, secondary heat exchanger, effluent switch valve 13 is regularly opened, when supply water temperature sensor 14 (T3) detects water temperature and reaches design temperature, water flow control valve 12 is opened, to active attemperater 15 delivering hot waters, there is simultaneously normal-temperature water in system, to replenish again, make secondary heat exchanger 3 to first-class heat exchanger 2 transport portions by secondary heat exchanger 3 preliminarily heated water, feed flow temperature sensor 9 (T2) is controlled the action of water pump 10 and circling water flow rate control valve 11 by detecting the feed flow temperature, so that stablize the feed flow temperature, the water circulation of quickening secondary heat exchanger 3 simultaneously is to quicken heat exchange and anti-sealing fouling, so continuous cycles prepare hot water.
This system has realized the two-stage heating of refrigerant two-stage cooling with water by the associated working of two-stage heat exchanger and water circulating pump, has guaranteed that not only cold-producing medium has lower condensation temperature to protect compressor again, has also realized stable and continuous water supply; By the periodic duty of water pump, can guarantee has higher water velocity in the heat exchanger, slowed down the scale velocity of water greatly, can improve heat exchange efficiency again simultaneously, realizes the function of instant-heating.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; though but on its shape or structure, do any variation, every identical with the utility model or akin technical scheme is all within its protection domain.
Claims (2)
1. efficient instant heating type heat pump hot-water heating system, comprise that refrigerant cyclic part and hot water generate cyclic part, it is characterized in that, described refrigerant cyclic part is provided with compressor, first-class heat exchanger, secondary heat exchanger, expansion valve, liquid-dividing head, evaporimeter and vapour liquid separator, above-mentioned each building block is in turn connected to form closed circuit, wherein the pipeline between secondary heat exchanger and the expansion valve is provided with the feed flow temperature sensor, pipeline between vapour liquid separator and the compressor is provided with the back-steam temperature sensor, described hot water generates cyclic part and is provided with water pump, the circling water flow rate control valve, water flow control valve and effluent switch valve, the water inlet of water pump and secondary heat exchanger links, the outlet pipeline of secondary heat exchanger is divided into two, a water inlet that returns water pump by the circling water flow rate control valve, another water inlet with first-class heat exchanger links, be installed in parallel water flow control valve and effluent switch valve on the outlet pipeline of first-class heat exchanger, and be provided with the supply water temperature sensor.
2. efficient instant heating type heat pump hot-water heating system according to claim 1 is characterized in that, the outlet pipeline of described first-class heat exchanger is connected with initiatively attemperater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201483368U CN201050838Y (en) | 2007-05-31 | 2007-05-31 | Highly effective instant heating type heat pump hot-water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201483368U CN201050838Y (en) | 2007-05-31 | 2007-05-31 | Highly effective instant heating type heat pump hot-water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201050838Y true CN201050838Y (en) | 2008-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201483368U Expired - Fee Related CN201050838Y (en) | 2007-05-31 | 2007-05-31 | Highly effective instant heating type heat pump hot-water system |
Country Status (1)
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| CN (1) | CN201050838Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536847A (en) * | 2012-02-02 | 2012-07-04 | 辽宁工业大学 | Flow regulating device for backflow type centrifugal water pump |
| CN108759347A (en) * | 2018-07-23 | 2018-11-06 | 天津商业大学 | It is a kind of can supplying hot water Heat Pump Drying System with Carbon Dioxide |
| CN108895662A (en) * | 2018-06-12 | 2018-11-27 | 合肥美的暖通设备有限公司 | Hot water machine and its control method, control device, readable storage medium storing program for executing |
| CN113082858A (en) * | 2021-03-03 | 2021-07-09 | 佛山市冠恒丰机电设备有限公司 | Tail gas processing apparatus for feed production |
-
2007
- 2007-05-31 CN CNU2007201483368U patent/CN201050838Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536847A (en) * | 2012-02-02 | 2012-07-04 | 辽宁工业大学 | Flow regulating device for backflow type centrifugal water pump |
| CN108895662A (en) * | 2018-06-12 | 2018-11-27 | 合肥美的暖通设备有限公司 | Hot water machine and its control method, control device, readable storage medium storing program for executing |
| CN108759347A (en) * | 2018-07-23 | 2018-11-06 | 天津商业大学 | It is a kind of can supplying hot water Heat Pump Drying System with Carbon Dioxide |
| CN113082858A (en) * | 2021-03-03 | 2021-07-09 | 佛山市冠恒丰机电设备有限公司 | Tail gas processing apparatus for feed production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 Termination date: 20100531 |