CN101236027A - Multifunctional wind cooling cold and hot water unit - Google Patents
Multifunctional wind cooling cold and hot water unit Download PDFInfo
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- CN101236027A CN101236027A CNA2007100370899A CN200710037089A CN101236027A CN 101236027 A CN101236027 A CN 101236027A CN A2007100370899 A CNA2007100370899 A CN A2007100370899A CN 200710037089 A CN200710037089 A CN 200710037089A CN 101236027 A CN101236027 A CN 101236027A
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Abstract
A multifunctional air-cooled cold water and hot water preparing unit mainly resolves technical problem of adapting to temperature requirement of different environment and the like. The technical scheme includes that the inlet port and the outlet port of a compressor are concreted with a four-way change-over valve which is parallel connected with solenoid valves, one of the solenoid valves is connected with a heat reclamation exchanger, the other solenoid valve is connected with a fin type heat exchanger, the four-way change-over valve is further parallel connected with two electro-magnetism, one of the electro-magnetism is connected with an evaporator, the other is connected with a living water heat exchanger, the fin type heat exchanger is connected with the evaporator by an one-way valve and a solenoid valve, the evaporator is connected with the fin type heat exchanger by two one-way valves, and the multifunctional air-cooled cold water and hot water preparing unit is suitable for various electrically driven vapor compression type refrigerating systems.
Description
Technical field
The present invention relates to a kind of heating and refrigeration train assembly system, the device that particularly a kind of heating and refrigeration replace or turn round simultaneously.
Background technology:
In the existing field of Refrigeration and Air-conditioning, with the electricity is that the steam compression type Air-Cooled Heat Pump Unit that drives power is occupied the very big market share, and the electric energy of air-conditioning unit consumption is very surprising, as in big cities such as Shanghai, the ratio of air conditioning electricity load can reach 25% of entire city electric load, a large amount of record data show, greatly, the hotel in middle city, the central air-conditioning power consumption of buildings such as restaurant accounts for about 60% of whole building power consumption, known from institute, with power-actuated vapour compression refrigerator group, the condenser heat of its generation is 1.1～1.3 times of unit refrigerating capacity, and in running, unit only utilizes its cold, and a large amount of condensation heat is to discharge into the atmosphere, obviously, consequently both waste a large amount of available heat energy, caused atmosphere pollution again; On the other hand, reinforcement along with environmental consciousness, increasing city begins or is about to begin ban use of coal-burning boiler, therefore people are seeking a kind of clean energy resource replacement coal one after another, so combustion gas or oil burning boiler arise at the historic moment, and the economy of these measures and safety problem still have to be solved; The condensation heat that reclaims the vapour pressure compression type refrigerating unit of making a mistake is adopted in this present technique field exploitation, can be freely or utmost point expense a large amount of low-grade heat sources are provided---life hot water, can reduce environmental pollution again, but, existing heat recovery system is a series-mode frame, when not needing to reclaim condensation heat, hot water in the heat recovering heat exchanger may be heated to fluidized state, quickened the incrustation of heat recovering heat exchanger water side, thereby a side has weakened the hot-swap feature of heat recovering heat exchanger, reduces the reliability of its service life and whole system on the other hand.
Summary of the invention:
Technical problem to be solved by this invention is, a kind of multifunctional wind cooling cold and hot water unit is provided, and it can adapt to the demand of varying environment temperature and different use periods, unit operation reliability height, utilization rate of electrical height, and energy conserve water resource have higher economic benefit.
The technical scheme that the present invention solves the problems of the technologies described above employing is: the multifunctional wind cooling cold and hot water unit includes compressor, finned heat exchanger, evaporimeter and valve member, be characterized in: the outlet at compressor is connected with four-way change-over valve, on four-way change-over valve, be connected in parallel to two magnetic valves, one of them magnetic valve connects finned heat exchanger, another magnetic valve is connected with heat recovering heat exchanger, on four-way change-over valve, also be connected in parallel to two magnetic valves in addition, wherein a magnetic valve is connected with evaporimeter, another magnetic valve is connected with domestic hot-water's heat exchanger, finned heat exchanger is connected with evaporimeter through two check valves and magnetic valve, and evaporimeter is connected with finned heat exchanger through two check valves.Energy adjustment of the present invention---be that compressor behavior depends on refrigeration duty or air-conditioning thermic load, domestic hot-water's thermic load, realize freezing, heat, operational modes such as heat-pump hot-water and refrigeration recuperation of heat.
The present invention is that the condensation heat to Air-Cooled Heat Pump Unit is fully utilized, be that unit has separate refrigeration, refrigeration and recuperation of heat, heat or round-the-clock Teat pump boiler function, it can provide a kind of cleaning and cheap domestic hot-water for the city, it is the splendid scheme of replacement expense height and unsafe boiler heat supplying water, condensation heat to discharging is recycled to produce the domestic hot-water, save a large amount of energy, reduce environmental pollution, solve difficult problems such as conventional tandem heat recovery system short whole system reliability in service life is low simultaneously, need not extra auxiliary equipment, unit can discharge unnecessary cold or heat automatically in atmosphere, need not cooling water, the conserve water resource, comprehensive above-mentioned advantage, the present invention has high economic benefit.
Description of drawings:
Fig. 1 is the structural representation of multifunctional wind cooling cold and hot water unit of the present invention.
The specific embodiment:
With reference to Fig. 1, the multifunctional wind cooling cold and hot water unit includes compressor 1, finned heat exchanger 6, aerofoil fan 7, evaporimeter 21, recuperation of heat parallel operation 5, domestic hot-water's heat exchanger 24, connecting line, valve member and auxiliary.
The outlet of magnetic valve 3 is connected to the import of finned heat exchanger 6, and the outlet of magnetic valve 4 is connected to the refrigerant inlet of heat recovering heat exchanger 5; The refrigerant outlet of heat recovering heat exchanger 5 also is connected to the import of finned heat exchanger 6;
The outlet of finned heat exchanger 6 is connected respectively to the import of check valve 8 and heats the outlet of expansion valve 20, the outlet of check valve 8 is connected to the import of reservoir 13, and the outlet of reservoir 13 is connected with stop valve 14, device for drying and filtering 15, liquid pipe magnetic valve 16 and liquid visor 17 in turn;
The outlet of liquid visor 17 is connected with the import of check valve 9 and check valve 10 respectively, the outlet of check valve 10 is connected with the import that heats expansion valve 20, the outlet of check valve 9 is connected with magnetic valve 18, refrigeration expansion valve 19 in turn, and the outlet of refrigeration expansion valve 19 is connected with the import of check valve 11 and the import of shell and tube evaporator 21;
Another road of four-way change-over valve 2 is connected in parallel to bidirectional flow magnetic valve 22 and magnetic valve 23, the other end of bidirectional flow magnetic valve 22 is connected with the outlet of shell and tube evaporator 21, the outlet of magnetic valve 23 is connected with domestic hot-water's heat exchanger 24, check valve 12 in turn, and the outlet of check valve 12 is connected with the import of reservoir 13;
The another road of four-way change-over valve 2 is connected with air-breathing (advancing) mouth of gas-liquid separator 25, compressor 1 in turn;
Pipeline near compressor 1 import (air entry) is provided with low pressure controller 26, and the pipeline that exports (exhaust outlet) near compressor 1 is provided with dual pressure controller 27.
Multifunctional wind cooling cold and hot water unit of the present invention can be by following various mode operations;
1, refrigeration mode---energy adjustment of the present invention, promptly compressor 1 running status depends on refrigeration duty, magnetic valve 4 and magnetic valve 23 " pass ", magnetic valve 3, liquid pipe magnetic valve 16, magnetic valve 18 and bidirectional flow magnetic valve 22 " leave ";
The high-temperature high-pressure refrigerant steam liquid that compressor 1 outlet is sent is condensed into liquid by four-way change-over valve 2, magnetic valve 3, fin or heat exchanger 6 successively; Condensed fluid flow through successively check valve 8, reservoir 13, stop valve 14, device for drying and filtering 15, liquid pipe magnetic valve 16, liquid visor 17, check valve 9, magnetic valve 18, refrigeration expansion valve 19, shell and tube evaporator 21, bidirectional flow magnetic valve 22, four-way change-over valve 2, gas-liquid separator 25 are back to the import (air entry) of compressor;
In the said process, the cold-producing medium shell and tube evaporator 21 of flowing through, cold-producing medium and the water that flows into shell and tube evaporator 21 carry out heat exchange, water heat release cooling, thus produce chilled water.
2, refrigeration heat recovery mode---energy adjustment of the present invention, be that compressor 1 running status depends on refrigeration duty and loads irrelevant with the domestic hot-water, and only when moving, refrigeration system just has a heat recovery function, during running refrigerating heat recovery mode therefore of the present invention, have following three kinds of running statuses:
A. refrigerating operaton state: its operation characteristic is identical with above-mentioned the 1st kind of pattern (refrigeration mode);
B. the refrigerating operaton state switches to refrigeration recuperation of heat running status, show refrigeration duty and domestic hot-water's underload this moment, magnetic valve 3 continues to be held open state, and magnetic valve 4 also switches to " opening " by " pass ", magnetic valve 3 time-delays one setting value back " pass ", the domestic hot-water produces the domestic hot-water by after reclaiming heat exchanger 5 absorption portion condensation heat.
C. when loading, the domestic hot-water meets the demands, and refrigeration duty is can't satisfy the demand the time, promptly switch to the refrigerating operaton state by refrigeration recuperation of heat running status, at this moment, magnetic valve 4 continues to be held open state, and magnetic valve 3 also switches to " opening " by " pass ", magnetic valve 4 time-delays one setting value back " pass ".
3, heating mode---energy adjustment of the present invention, be that compressor 1 running status is decided by the air-conditioning thermic load, magnetic valve 4, magnetic valve 18, magnetic valve 23 " pass ", magnetic valve 3, liquid pipe magnetic valve 16, bidirectional flow magnetic valve 22 " is opened ", the high-temperature high-pressure refrigerant steam that compressor 1 outlet is sent is successively by four-way change-over valve 2, bidirectional flow magnetic valve 22, shell and tube evaporator 21, check valve 11, reservoir 13, stop valve 14, device for drying and filtering 15, liquid pipe magnetic valve 16, liquid visor 17, check valve 10, heat expansion valve 20, finned heat exchanger 6, magnetic valve 3, four-way change-over valve 2, gas-liquid separator 25 returns the import of compressor 1;
In the said process, the cold-producing medium shell and tube evaporator 21 of flowing through, cold-producing medium and the water that flows into shell and tube evaporator 21 carry out heat exchange, and the water heat absorption heats up, thereby produces the air-conditioning warm water.
4, heat-pump hot-water pattern---energy adjustment of the present invention, be that compressor 1 running status depends on domestic hot-water's thermic load, magnetic valve 4, magnetic valve 18, bidirectional flow magnetic valve 22 " pass ", magnetic valve 3, liquid pipe magnetic valve 16, magnetic valve 23 " leaves ", the high-temperature high-pressure refrigerant steam that compressor 1 outlet is sent is successively by four-way change-over valve 2, magnetic valve 23, domestic hot-water's heat exchanger 24, check valve 12, reservoir 13, stop valve 14, device for drying and filtering 15, liquid pipe magnetic valve 16, liquid visor 17, check valve 10, heat expansion valve 20, finned heat exchanger 6, magnetic valve 3, four-way change-over valve 2, gas-liquid separator 25 returns the import of compressor 1;
Aerofoil fan 7 is speed governing aerofoil fans, and the operation of low pressure controller 26 Control Shaft flow fans 7 is to guarantee that unit low pressure is in reasonable range.
In the said process, supply water by domestic hot-water's heat exchanger 24, heat absorption heats up after water and the cold-producing medium heat exchange, produces the domestic hot-water.
The present invention is by above-mentioned various operational modes, but realizes unit separate refrigeration, refrigeration and recuperation of heat, heat or multiple function such as round-the-clock heat-pump hot-water.
Claims (8)
1. multifunctional wind cooling cold and hot water unit, unit includes compressor, finned heat exchanger, and evaporimeter and valve member is characterized in that:
A. the import and export at compressor (1) are connected with four-way change-over valve (2);
B. on four-way change-over valve (2), be connected in parallel to two magnetic valves (3,4), magnetic valve (3) finned heat exchanger (6), magnetic valve (4) is connected with heat recovering heat exchanger (5);
C. also be connected in parallel to two magnetic valves (22,23) on four-way change-over valve (2), magnetic valve (22) is connected with evaporimeter (21), and magnetic valve (23) is connected with domestic hot-water's heat exchanger (24);
D. fin worker heat exchanger (6) is connected with evaporimeter (21) through two check valves (8,9) and magnetic valve (18);
E. evaporimeter (21) is connected with finned heat exchanger (6) through two check valves (11,10).
2. multifunctional wind cooling cold and hot water unit according to claim 1 is characterized in that magnetic valve (22) is the bidirectional flow magnetic valve.
3. multifunctional wind cooling cold and hot water unit according to claim 1 is characterized in that being provided with in regular turn between check valve (8) and the check valve (9) reservoir (13), stop valve (14), device for drying and filtering (15), liquid pipe magnetic valve (16) and liquid-sighting glass (17).
4. multifunctional wind cooling cold and hot water unit according to claim 1 is characterized in that being provided with in regular turn between check valve (9) and the check valve (11) magnetic valve (18) and refrigeration expansion valve (19).
5. multifunctional wind cooling cold and hot water unit according to claim 1 is characterized in that being provided with between check valve (10) and the finned heat exchanger (6) and heats expansion valve (20).
6. multifunctional wind cooling cold and hot water unit according to claim 1 is characterized in that being provided with low pressure controller (26) in the import of compressor (1), is provided with dual pressure controller (27) in the outlet of compressor (1).
7. multifunctional wind cooling cold and hot water unit according to claim 1 is characterized in that also being connected with gas-liquid separator (25) in the import department of compressor (1).
8. multifunctional wind cooling cold and hot water unit according to claim 1 is characterized in that aerofoil fan (7) is the speed governing aerofoil fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100370899A CN101236027A (en) | 2007-02-02 | 2007-02-02 | Multifunctional wind cooling cold and hot water unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100370899A CN101236027A (en) | 2007-02-02 | 2007-02-02 | Multifunctional wind cooling cold and hot water unit |
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| Publication Number | Publication Date |
|---|---|
| CN101236027A true CN101236027A (en) | 2008-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100370899A Pending CN101236027A (en) | 2007-02-02 | 2007-02-02 | Multifunctional wind cooling cold and hot water unit |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865541A (en) * | 2010-06-30 | 2010-10-20 | 苏州新亚科技有限公司 | Solar system |
| CN102997479A (en) * | 2012-10-10 | 2013-03-27 | 合肥天鹅制冷科技有限公司 | Total heat recovery type air-cooled cold and hot water unit |
| WO2013096035A1 (en) | 2011-12-21 | 2013-06-27 | Carrier Corporation | Capacity-increasing device for four-way valve in air conditioning system and the air conditioning system |
| CN104296415A (en) * | 2014-10-31 | 2015-01-21 | 无锡同方人工环境有限公司 | Multifunctional modular heat pump air-conditioning system |
| CN105276858A (en) * | 2014-07-17 | 2016-01-27 | 荣国华 | Air-water cooling cold-hot water heat pump unit |
| CN106766448A (en) * | 2016-12-06 | 2017-05-31 | 珠海格力电器股份有限公司 | Control method and device for heat recovery liquid return and unit with device |
| CN109059335A (en) * | 2018-09-03 | 2018-12-21 | 合肥天鹅制冷科技有限公司 | A kind of low-temperature air source heat pump unit |
-
2007
- 2007-02-02 CN CNA2007100370899A patent/CN101236027A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865541A (en) * | 2010-06-30 | 2010-10-20 | 苏州新亚科技有限公司 | Solar system |
| WO2013096035A1 (en) | 2011-12-21 | 2013-06-27 | Carrier Corporation | Capacity-increasing device for four-way valve in air conditioning system and the air conditioning system |
| CN102997479A (en) * | 2012-10-10 | 2013-03-27 | 合肥天鹅制冷科技有限公司 | Total heat recovery type air-cooled cold and hot water unit |
| CN105276858A (en) * | 2014-07-17 | 2016-01-27 | 荣国华 | Air-water cooling cold-hot water heat pump unit |
| CN104296415A (en) * | 2014-10-31 | 2015-01-21 | 无锡同方人工环境有限公司 | Multifunctional modular heat pump air-conditioning system |
| CN106766448A (en) * | 2016-12-06 | 2017-05-31 | 珠海格力电器股份有限公司 | Control method and device for heat recovery liquid return and unit with device |
| CN106766448B (en) * | 2016-12-06 | 2018-11-09 | 珠海格力电器股份有限公司 | Control method and device for heat recovery liquid return and unit with device |
| CN109059335A (en) * | 2018-09-03 | 2018-12-21 | 合肥天鹅制冷科技有限公司 | A kind of low-temperature air source heat pump unit |
| CN109059335B (en) * | 2018-09-03 | 2024-01-12 | 合肥天鹅制冷科技有限公司 | Low-temperature air source heat pump unit |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080806 |