CN101165418A - Dynamic ice-storage type cold-hot water energy-saving set - Google Patents

Dynamic ice-storage type cold-hot water energy-saving set Download PDF

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Publication number
CN101165418A
CN101165418A CNA2006101228025A CN200610122802A CN101165418A CN 101165418 A CN101165418 A CN 101165418A CN A2006101228025 A CNA2006101228025 A CN A2006101228025A CN 200610122802 A CN200610122802 A CN 200610122802A CN 101165418 A CN101165418 A CN 101165418A
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CN
China
Prior art keywords
water
cooling water
hot water
valve
heat exchanger
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Pending
Application number
CNA2006101228025A
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Chinese (zh)
Inventor
聂民
聂晓明
杨文�
邹宗伍
张茂勇
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ZHUHAI HUISHENG ENERGY SOURCE TECHNOLOGY DEVELOPMENT Co Ltd
Original Assignee
ZHUHAI HUISHENG ENERGY SOURCE TECHNOLOGY DEVELOPMENT Co Ltd
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Priority to CNA2006101228025A priority Critical patent/CN101165418A/en
Publication of CN101165418A publication Critical patent/CN101165418A/en
Pending legal-status Critical Current

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Abstract

This invention discloses a dynamic ice collecting type cold and hot water energy saving machine set which fully uses heat energy. It includes compressor, condenser, evaporator, cooling tower, I heat exchanger, by-pass valve, II heat exchanger, hot water tank, cooling water pump, hot water circulating pump, cooling water valve, cooling water circulating valve and ice collecting groove. The medium side of I heat exchanger and the by-pass valve are paralleled connected into the refrigerating medium pipeline between the compressor outlet and condenser. The I heat exchanger, hot water tank, hot water circulating pump and the hot water side of II heat exchanger are connected successively to form water heating circulating loop. The cooling water side inlet of II heat exchanger is connected into the refrigerating water circulating pipe between condenser and cooling water valve. Its outlet connects to the water inlet of cooling water pump. This invention can be used widely in the air conditioner energy saving field.

Description

The energy-conservation unit of dynamic ice-storage type cold-hot water
Technical field
The present invention relates to the energy-conservation unit of a kind of dynamic ice-storage type cold-hot water.
Background technology
The air-conditioner energy-accumulation technology is a practical complex art that has risen at home since the nineties, it can play the effect of peak load shifting to the electric power of electrical network, help distributing rationally of entire society's resource, simultaneously, because the difference of time-of-use tariffs, the air-conditioner energy-accumulation technology declines to a great extent user's the operation electricity charge, is a technology of benefiting the nation and the people therefore.Energy accumulation air conditioner utilizes energy storage system not need energy or energy is stored in little time with energy in air-conditioning system exactly, and the time big in the air-conditioning system demand discharges this part energy.According to using object and the height that stores temperature, can be divided into cold accumulation air-conditioner and thermal storage air conditioning.
Ice-storage air-conditioning is a kind of cooling storage air conditioning system that generally uses at present, tou power price policy in conjunction with power system, in the low power consumption phase at night, employing electric refrigerating machine refrigeration, store making the form of cold with ice, air conditioner load electricity price peak period is with the ice-out released cold quantity, in order to partly or entirely to satisfy the cooling demand by day.Therefore, cooling storage air conditioning system, especially ice-storage air-conditioning have good energy-conservation characteristic and economic benefit.
Existing ice-storage air-conditioning system generally is installed in the bigger building place of power consumption, and as hotel, hotel, dining room etc., these places generally yet will dispose firing equipment and be used to produce production, life and health hot water.On the one hand, the ice storage air conditioner unit is when normal refrigeration, and condensation heat is generally discharged by cooling system, and a large amount of heat energy is wasted; On the other hand, what produce the general employing of hot water is traditional firing equipments such as fire coal, oil burning boiler or boilers heated electrically, has therefore consumed a large amount of energy; This shows, freeze and produce the dual waste that hot water has caused the energy and resource.
So existing technology has the following disadvantages: insufficient to heat energy utilization, waste energy.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, provides that a kind of this unit can improve compressor efficiency to the energy-conservation unit of the sufficient dynamic ice-storage type cold-hot water of heat energy utilization, takes into account refrigeration and produces hot water, energy savings.
The technical solution adopted in the present invention is: the present invention includes handpiece Water Chilling Units, cooling water recirculation system, computer automatic control device, the dynamic ice-storage system, described handpiece Water Chilling Units comprises compressor, condenser, expansion valve, plate-type evaporator and successively by the refrigeration working medium pipeline composition refrigeration cycle that is connected, described cooling water recirculation system comprises cooling tower, cooling water pump, condenser and successively by the cooling water cycle water pipe composition cooling water circulation loop that is connected, described dynamic ice-storage system comprises plate-type evaporator, Ice Storage Tank, the energy-conservation unit of described dynamic ice-storage type cold-hot water also comprises the I heat exchanger, by-passing valve, the II heat exchanger, boiler, hot water circulating pump, cooling water valve, the cooling water circulating valve, the cold water water compensating valve, the cold water inlet road, hot water circulating pipeline, the user hot water line, the working medium side of described I heat exchanger, described by-passing valve is in parallel and inserts refrigeration working medium pipeline between described compressor outlet and the described condenser, described I heat exchanger, described boiler, described hot water circulating pump, the hot water side of described II heat exchanger is connected to form by described hot water circulating pipeline successively and adds hot water circulation loop, described cooling water valve inserts the cooling water cycle water pipe between described condenser and the described cooling tower, the cooling water side of described II heat exchanger inlet inserts cooling water cycle water pipe between described condenser and the described cooling water valve by described cooling water circulating valve, the cooling water side outlet is connected with the water inlet of described cooling water pump, and described cold water inlet road is connected with described boiler by described cold water water compensating valve.
The invention has the beneficial effects as follows: owing to the present invention includes the I heat exchanger, by-passing valve, the II heat exchanger, boiler, hot water circulating pump, cooling water valve, the cooling water circulating valve, the cold water water compensating valve, the cold water inlet road, hot water circulating pipeline, the user hot water line, the working medium side of described I heat exchanger, described by-passing valve is in parallel and inserts refrigeration working medium pipeline between described compressor outlet and the described condenser, described I heat exchanger, described boiler, described hot water circulating pump, the hot water side of described II heat exchanger is connected to form by described hot water circulating pipeline successively and adds hot water circulation loop, described cooling water valve inserts the cooling water cycle water pipe between described condenser and the described cooling tower, the cooling water side of described II heat exchanger inlet inserts cooling water cycle water pipe between described condenser and the described cooling water valve by described cooling water circulating valve, the cooling water side outlet is connected with the water inlet of described cooling water pump, described cold water inlet road is connected with described boiler by described cold water water compensating valve, the high temperature that comes out from described compressor outlet, the refrigeration working medium of high pressure carries out the exchange heat first time with the described circulating hot water that adds in the hot water circulating pipeline in described I heat exchanger, circulating hot water is heated up, refrigeration working medium carries out condensation heat release for the second time in described condenser, heat is recycled the cooling water absorption and heats up, then the recirculated cooling water of high temperature as heat-carrying matter in described II heat exchanger with the heat transferred circulating hot water, circulating hot water is heated up, then circulating hot water heats up with heat exchange of high temperature refrigeration working medium and continuation in described I heat exchanger again, flow into again in the described boiler, being that the interior water of described boiler is every is heated twice through once circulating, cold working medium temperature reduces, can improve compressor efficiency, so the present invention to heat energy utilization fully and can improve compressor efficiency, energy savings;
Because the present invention can heat water in summer when ice-reserving freezes simultaneously, use alternative traditional homogeneous solution-type reactor equipment that heats in building places such as hotel, hotels, release heats the energy that water consumes with boiler, thereby satisfy production, life and health needs, avoided after the fuel combustion pollution atmosphere with hot water; In addition; a large amount of waste heats that the handpiece Water Chilling Units of the central air-conditioning in these places produces when ice-reserving freezes carry via the refrigeration working medium of high temperature, high pressure; be absorbed and used through described I heat exchanger, described condenser; thereby avoided waste heat to be discharged in the outdoor air; therefore both saved a large amount of energy and also can not cause thermal pollution outdoor air, thus energy savings of the present invention and resource, environmentally safe, can reclaim and make full use of unit waste heat, protect environment, integrated operation expense low.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
As shown in Figure 1, the present invention includes handpiece Water Chilling Units, cooling water recirculation system, computer automatic control device, the dynamic ice-storage system, described handpiece Water Chilling Units comprises compressor 1, condenser 2, expansion valve 3, plate-type evaporator 4 and successively by the refrigeration working medium pipeline 100 composition refrigeration cycle that is connected, described cooling water recirculation system comprises cooling tower 5, cooling water pump 10, condenser 2 and successively by the cooling water cycle water pipe 200 composition cooling water circulation loop that is connected, described dynamic ice-storage system comprises plate-type evaporator 4, Ice Storage Tank 15, the energy-conservation unit of described dynamic ice-storage type cold-hot water also comprises I heat exchanger 6, by-passing valve 7, II heat exchanger 8, boiler 9, hot water circulating pump 11, cooling water valve 12, cooling water circulating valve 13, cold water water compensating valve 14, cold water inlet road 500, hot water circulating pipeline 300, user hot water line 400, the working medium side of described I heat exchanger 6, described by-passing valve 7 is in parallel and inserts refrigeration working medium pipeline 100 between described compressor 1 outlet and the described condenser 2, described I heat exchanger 6, described boiler 9, described hot water circulating pump 11, the hot water side of described II heat exchanger 8 is connected to form by described hot water circulating pipeline 300 successively and adds hot water circulation loop, the cooling water cycle water pipe 200 that described cooling water valve 12 inserts between described condenser 2 and the described cooling tower 5, the cooling water cycle water pipe 200 that the cooling water side inlet of described II heat exchanger 8 inserts between described condenser 2 and the described cooling water valve 12 by described cooling water circulating valve 13, the cooling water side outlet is connected with the water inlet of described cooling water pump 10, and described cold water inlet road 500 is connected with described boiler 9 by described cold water water compensating valve 14.
Dynamic ice-storage air conditioner cold water unit of the present invention can also provide the domestic hot-water in the dynamic ice-storage refrigeration, its main heat transfer process is as follows: the high temperature that comes out from described compressor 1, the circulating hot water of the refrigeration working medium of high pressure in described I heat exchanger 6 and in the described hot water circulating pipeline 300 carries out the exchange heat first time, circulating hot water is heated up, refrigeration working medium carries out condensation heat release for the second time in described condenser 2, heat is recycled the cooling water absorption and heats up, then the recirculated cooling water of high temperature as heat-carrying matter in described II heat exchanger 8 with the heat transferred circulating hot water, circulating hot water is heated up, then circulating hot water heats up with heat exchange of high temperature refrigeration working medium and continuation in described I heat exchanger 6 again, flow into again in the described boiler 9, being that water in the described boiler 9 is every is heated twice through circulation once, just can be met the high-temperature-hot-water of user's request in the described boiler 9, refrigeration working medium temperature through described condenser 2 reduces simultaneously, can improve compressor efficiency, therefore, the present invention to heat energy utilization fully and can improve compressor efficiency, energy savings, when recycling waste heat, make this unit can improve compressor efficiency, therefore comprehensive Energy Efficiency Ratio height.
The present invention utilizes cooling water will pass to circulating hot water from the heat that described condenser 2 obtains as heat transfer medium, circulating hot water not only obtains heat from the cooling water heat transfer medium, also obtain heat from described I heat exchanger 6, promptly directly and respectively obtain primary energy from refrigeration working medium indirectly, thereby it is abundant to UTILIZATION OF VESIDUAL HEAT IN, when water temperature and water level reach requirement in the described boiler 9, close described hot water circuit valve 13, open described by-passing valve 7 and described cooling water valve 12, unit promptly recovers common normal dynamic ice-reserving refrigeration mode, the present invention can guarantee the normal ice-reserving cooling operation of equipment, and the waste heat recovery that produces in the time of ice-reserving being freezed again also makes full use of, and energy-saving effect is remarkable.
The present invention can be widely used in the air conditioner energy saving field.

Claims (1)

1. energy-conservation unit of dynamic ice-storage type cold-hot water, comprise handpiece Water Chilling Units, cooling water recirculation system, computer automatic control device, the dynamic ice-storage system, described handpiece Water Chilling Units comprises compressor (1), condenser (2), expansion valve (3), plate-type evaporator (4) and successively by refrigeration working medium pipeline (100) the composition refrigeration cycle that is connected, described cooling water recirculation system comprises cooling tower (5), cooling water pump (10), condenser (2) and successively by cooling water cycle water pipe (200) the composition cooling water circulation loop that is connected, described dynamic ice-storage system comprises plate-type evaporator (4), Ice Storage Tank (15), it is characterized in that: the energy-conservation unit of described dynamic ice-storage type cold-hot water also comprises I heat exchanger (6), by-passing valve (7), II heat exchanger (8), boiler (9), hot water circulating pump (11), cooling water valve (12), cooling water circulating valve (13), cold water water compensating valve (14), cold water inlet road (500), hot water circulating pipeline (300), user hot water line (400), the working medium side of described I heat exchanger (6), described by-passing valve (7) is in parallel and inserts refrigeration working medium pipeline (100) between described compressor (1) outlet and the described condenser (2), described I heat exchanger (6), described boiler (9), described hot water circulating pump (11), the hot water side of described II heat exchanger (8) is connected to form by described hot water circulating pipeline (300) successively and adds hot water circulation loop, described cooling water valve (12) inserts the cooling water cycle water pipe (200) between described condenser (2) and the described cooling tower (5), the cooling water side of described II heat exchanger (8) inlet inserts cooling water cycle water pipe (200) between described condenser (2) and the described cooling water valve (12) by described cooling water circulating valve (13), the cooling water side outlet is connected with the water inlet of described cooling water pump (10), and described cold water inlet road (500) is connected with described boiler (9) by described cold water water compensating valve (14).
CNA2006101228025A 2006-10-17 2006-10-17 Dynamic ice-storage type cold-hot water energy-saving set Pending CN101165418A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2006101228025A CN101165418A (en) 2006-10-17 2006-10-17 Dynamic ice-storage type cold-hot water energy-saving set

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Application Number Priority Date Filing Date Title
CNA2006101228025A CN101165418A (en) 2006-10-17 2006-10-17 Dynamic ice-storage type cold-hot water energy-saving set

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102425834A (en) * 2011-11-28 2012-04-25 重庆大学 Water ring type parallel flow radiant panel central air-conditioning system
CN103196198A (en) * 2013-04-26 2013-07-10 周平中 Heat-pump device of closed type ice-storage air conditioner
CN103968599A (en) * 2013-01-29 2014-08-06 广州天河兰石技术开发有限公司 Energy-saving cold and heat source water supply system
CN105713720A (en) * 2016-01-29 2016-06-29 吉首大学 Cooling water circulation system for grease leaching
CN105928967A (en) * 2015-12-30 2016-09-07 广东工业大学 Novel test system for thermal stability of phase-change material

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102425834A (en) * 2011-11-28 2012-04-25 重庆大学 Water ring type parallel flow radiant panel central air-conditioning system
CN103968599A (en) * 2013-01-29 2014-08-06 广州天河兰石技术开发有限公司 Energy-saving cold and heat source water supply system
CN103968599B (en) * 2013-01-29 2016-07-06 广州天河兰石技术开发有限公司 A kind of energy-conservation Cooling and Heat Source water system
CN103196198A (en) * 2013-04-26 2013-07-10 周平中 Heat-pump device of closed type ice-storage air conditioner
CN103196198B (en) * 2013-04-26 2014-10-22 周平中 Heat-pump device of closed type ice-storage air conditioner
CN105928967A (en) * 2015-12-30 2016-09-07 广东工业大学 Novel test system for thermal stability of phase-change material
CN105713720A (en) * 2016-01-29 2016-06-29 吉首大学 Cooling water circulation system for grease leaching

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Effective date of abandoning: 20080423