CN200968691Y - Full heat recovery type cold and hot water energy-saving set - Google Patents

Full heat recovery type cold and hot water energy-saving set Download PDF

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Publication number
CN200968691Y
CN200968691Y CNU2006200657705U CN200620065770U CN200968691Y CN 200968691 Y CN200968691 Y CN 200968691Y CN U2006200657705 U CNU2006200657705 U CN U2006200657705U CN 200620065770 U CN200620065770 U CN 200620065770U CN 200968691 Y CN200968691 Y CN 200968691Y
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China
Prior art keywords
condenser
hot water
water
high pressure
hot
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Expired - Lifetime
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CNU2006200657705U
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Chinese (zh)
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聂民
邹宗伍
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ZHUHAI HUISHENG ENERGY SOURCE TECHNOLOGY DEVELOPMENT Co Ltd
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ZHUHAI HUISHENG ENERGY SOURCE TECHNOLOGY DEVELOPMENT Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56Heat recovery units

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Abstract

The utility model discloses a total-heat recycling cold-hot water energy-saving unit which may fully recycle and fully utilize the waste heat of the unit to produce hot water and the temperature o the hot water may be freely adjusted. The utility model comprises a cool water unit, a high pressure condenser (6), a heat exchanger (7), a pressure transmitting instrument (9), a pressure regulating valve (15), a cool water inlet pipeline (200), an I hot water pipeline (300), an II hot water pipeline (400). The high pressure condenser (6) is connected into a refrigerating pipeline (100) between the outlet of a compressor (1) and a condenser (2); the pressure transmitting instrument (9) and pressure regulating valve (15) are respectively connected into the refrigerating pipeline (100) between the high pressure condenser (6) and the condenser (2); the cool water inlet pipeline (200) is respectively connected to the cool side inlets of the high pressure condenser (6) and the heat exchanger (7); the I hot water pipeline (300) and the II hot water pipeline (400) are respectively connected with the cool side outlets of the high pressure condenser (6) and the heat exchanger (7). The utility model may be applied to air conditioner energy-conservation field.

Description

The complete energy-conservation unit of heat reclamation type hot and cold water
Technical field
The utility model relates to the energy-conservation unit of a kind of full heat reclamation type hot and cold water.
Background technology
Building place common configuration air-conditioning units such as hotel, hotel, dining room, Saunas, swimming pool are used for refrigeration, also will dispose firing equipment in addition and be used to produce production, life and health hot water.On the one hand, the air-conditioning unit is when normal refrigeration, and condensation heat is generally discharged by cooling water or air, and a large amount of heat energy is wasted; On the other hand, what produce the general employing of hot water is that traditional firing equipments such as fire coal, oil burning boiler or boilers heated electrically are produced, and has therefore consumed a large amount of energy; This shows, not only needed to freeze but also needed the occasion of a large amount of hot water at some, process of refrigerastion has a large amount of heat energy to waste, and the process that produces hot water needs to consume other fuel and produces heat energy, caused the dual waste of the energy and resource, not only uneconomical but also contaminated environment, people heightened awareness to energy-saving and cost-reducing necessity and urgency.
At present, the heat recovery that has discharged when also having occurred air conditioner refrigerating is used to produce the unit of hot water, but these sets can not be taken into account on the temperature of producing hot water and recuperation of heat amount, but the high-temperature-hot-water heat that can provide that has can not fully reclaim, it is not high enough that but the heat that has can all reclaim the hot water temperature who produces, generally about 40 ℃, this mainly is because utilize used heat to produce the Energy Efficiency Ratio that hot water must be taken into account air-conditioning unit itself, otherwise though but hot water reaches the reduction of requirement air conditioner refrigerating efficient, and will cause and put the cart before the horse, lost more than gain.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, providing a kind of used heat that can all reclaim and make full use of unit to produce hot water and hot water temperature can the energy-conservation unit of freely regulated full heat reclamation type hot and cold water, this unit can improve compressor efficiency, comprehensive Energy Efficiency Ratio height, energy savings.
The technical scheme that the utility model adopted is: the utility model comprises handpiece Water Chilling Units, cooling water recirculation system, computer automatic control device, described handpiece Water Chilling Units comprises compressor, condenser, expansion valve, evaporimeter and successively by the refrigeration working medium pipeline composition refrigeration cycle that is connected, described cooling water recirculation system comprises condenser, cooling tower, cooling water pump and successively by the cooling water cycle water pipe composition cooling water circulation loop that is connected, the energy-conservation unit of described full heat reclamation type hot and cold water also comprises high pressure condenser, heat exchanger, pressure transmitter, pressure-regulating valve, flow regulator, temperature transmitter, non-return valve, water circulating pump, the cold water inlet road, the I hot water line, the II hot water line, described high pressure condenser inserts the refrigeration working medium pipeline between described compressor outlet and the described condenser, described pressure transmitter, described pressure-regulating valve inserts the refrigeration working medium pipeline between described high pressure condenser and the described condenser respectively, described high pressure condenser is inserted by described flow regulator respectively in described cold water inlet road, the cold side inlet of described heat exchanger, described I hot water line, described II hot water line is connected to described high pressure condenser respectively, the cold side outlet of described heat exchanger, described temperature transmitter is connected on described II hot water line respectively, on the described I hot water line, advancing of described water circulating pump, outlet respectively with the coolant outlet of described condenser, the hot side-entrance of described heat exchanger is connected, the advancing of described non-return valve, the hot side outlet of outlet and described heat exchanger, the cooling water inlet of described condenser is connected.
The beneficial effects of the utility model are: because high pressure condenser described in the utility model inserts the refrigeration working medium pipeline between described compressor outlet and the described condenser, described pressure transmitter, described pressure-regulating valve inserts the refrigeration working medium pipeline between described high pressure condenser and the described condenser respectively, described high pressure condenser is inserted by described flow regulator respectively in described cold water inlet road, the cold side inlet of described heat exchanger, described I hot water line, described II hot water line is connected to described high pressure condenser respectively, the cold side outlet of described heat exchanger, described temperature transmitter is connected on described II hot water line respectively, on the described I hot water line, advancing of described water circulating pump, outlet respectively with the coolant outlet of described condenser, the hot side-entrance of described heat exchanger is connected, advancing of described non-return valve, the hot side outlet of outlet and described heat exchanger, the cooling water inlet of described condenser is connected, the high temperature that comes out from described compressor outlet, the refrigeration working medium of high pressure at first carries out high pressure condensation heat release for the first time in described high pressure condenser, then carry out condensation heat release for the second time again in described condenser; Refrigeration working medium in described high pressure condenser, carry out the high pressure condensation for the first time in the exothermic process heat absorbed by the cold water of described high pressure condenser and heat up, make from the described high pressure condenser hot water I that comes out, by kind of refrigeration cycle pressure-the enthalpy relation principle as can be known, condensation heat discharging back is for main relevant with condensing pressure with the height of its heat-shift medium temperature, the condensing pressure height, condensation temperature height then, otherwise it is then low, the utility model is gathered pressure signal by described pressure transmitter, regulate the described pressure-regulating valve of control by described computer automatic control device and regulate condensing pressure, guarantee under the pairing condensation temperature of design conditions, promptly guarantee under the situation of full recuperation of heat, heat energy is used according to the different pressure classification of control, to satisfy user's different demands, produce the described hot water I that different temperatures requires, described hot water I temperature can be regulated as required even can be produced boiling water; Refrigeration working medium carries out the cooling water that heat is circulated in the condensation exothermic process second time and absorbs and intensification in described condenser and described heat exchanger in described condenser, high-temperature cooling water after the intensification carries out heat exchange with cold water in described heat exchanger, cold water can make hot water II after described heat exchanger flows out, the temperature of described hot water II is 35~40 ℃; From above process as seen, the utility model can carry out the classification utilization with the heat that reclaims, in the temperature range of design, the user can select the hot water of different temperatures, easy to use, the domestic type product can allow the user just commonly used cold in, the domestic hot-water can be provided, boiling water can also be provided, ensure the desired condensation temperature of design simultaneously, thereby guarantee the normal operation of whole kind of refrigeration cycle, but, the utility model produces hot water and hot water temperature's free adjustment so all reclaiming and make full use of the used heat of unit, when reclaiming used heat, make this unit can improve compressor efficiency, therefore comprehensive Energy Efficiency Ratio height, energy savings;
Because the utility model can heat water simultaneously when freezing summer, in the hotel, building place such as hotel, dining room, Saunas, swimming pool uses alternative traditional homogeneous solution-type reactor equipment that heats, 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 used heat that the handpiece Water Chilling Units of the central air-conditioning in these places produces when refrigeration carry via the refrigeration working medium of high temperature, high pressure; be absorbed and used fully through described high pressure condenser; thereby having significantly reduced waste heat is discharged in the outdoor air; therefore both saved a large amount of energy and also can not cause thermal pollution outdoor air, thus the utility model energy savings 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 utility model.
The specific embodiment
As shown in Figure 1, the utility model comprises handpiece Water Chilling Units, cooling water recirculation system, computer automatic control device, described handpiece Water Chilling Units comprises compressor 1, condenser 2, expansion valve 3, evaporimeter 4 and successively by the refrigeration working medium pipeline 100 composition refrigeration cycle that is connected, described cooling water recirculation system comprises condenser 2, cooling tower 5, cooling water pump 16 and successively by the cooling water cycle water pipe 500 composition cooling water circulation loop that is connected, the energy-conservation unit of described full heat reclamation type hot and cold water also comprises high pressure condenser 6, heat exchanger 7, pressure transmitter 9, pressure-regulating valve 15, flow regulator 10,11, temperature transmitter 12,13, non-return valve 14, water circulating pump 17, cold water inlet road 200, I hot water line 300, II hot water line 400, described high pressure condenser 6 inserts the refrigeration working medium pipeline 100 between described compressor 1 outlet and the described condenser 2, described pressure transmitter 9, described pressure-regulating valve 15 inserts the refrigeration working medium pipeline 100 between described high pressure condenser 6 and the described condenser 2 respectively, described cold water inlet road 200 is respectively by described flow regulator 10,11 insert described high pressure condenser 6, the cold side inlet of described heat exchanger 7, described I hot water line 300, described II hot water line 400 is connected to described high pressure condenser 6 respectively, the cold side outlet of described heat exchanger 7, described temperature transmitter 12,13 are connected on described II hot water line 400 respectively, on the described I hot water line 300, advancing of described water circulating pump 17, outlet respectively with the coolant outlet of described condenser 2, the hot side-entrance of described heat exchanger 7 is connected, the advancing of described non-return valve 14, the hot side outlet of outlet and described heat exchanger 7, the cooling water inlet of described condenser 2 is connected.
Handpiece Water Chilling Units described in the utility model can also provide the domestic hot-water in refrigeration, its main heat transfer process is as follows: the high temperature that comes out from described compressor 1, the refrigeration working medium of high pressure at first carry out high pressure condensation heat release for the first time in described high pressure condenser 6, then carry out condensation heat release for the second time again in described condenser 2; Refrigeration working medium in described high pressure condenser 6, carry out the high pressure condensation for the first time in the exothermic process heat absorbed by the cold water of described high pressure condenser 6 and heat up, make from the described high pressure condenser 6 hot water I that comes out, by kind of refrigeration cycle pressure-the enthalpy relation principle as can be known, condensation heat discharging back is for main relevant with condensing pressure with the height of its heat-shift medium temperature, the condensing pressure height, condensation temperature height then, otherwise it is then low, the utility model is gathered pressure signal by described pressure transmitter 9, regulate the described pressure-regulating valve 15 of control by described computer automatic control device and regulate condensing pressure, guarantee under the pairing condensation temperature of design conditions, promptly guarantee under the situation of full recuperation of heat, heat energy is used according to the different pressure classification of control, to satisfy user's different demands, produce the described hot water I that different temperatures requires, described hot water I temperature can be regulated as required even can be produced boiling water; Refrigeration working medium carries out the cooling water absorption that heat is circulated in the condensation exothermic process second time and heats up in described condenser 2 and described heat exchanger 7 in described condenser 2, high-temperature cooling water after the intensification carries out heat exchange with cold water in described heat exchanger 7, cold water can make hot water II after described heat exchanger 7 flows out, the temperature of described hot water II is 35~40 ℃; From above process as seen, the utility model can carry out the classification utilization with the heat that reclaims, in the temperature range of design, the user can select the hot water of different temperatures, easy to use, the domestic type product can allow the user just commonly used cold in, the domestic hot-water can be provided, boiling water can also be provided, ensure the desired condensation temperature of design simultaneously, thereby guarantee the normal operation of whole kind of refrigeration cycle, therefore, produce hot water and hot water temperature's free adjustment, when reclaiming used heat, make this unit can improve compressor efficiency but the utility model can all reclaim and make full use of the used heat of unit, therefore comprehensive Energy Efficiency Ratio height, energy savings.
The utility model is in the energy recovery design, overcome the contradiction that heat recovery equipment in the past can not get both on temperature and recuperation of heat amount, the hot water that reclaims after exchanging is divided into base load shelves water temperature (described hot water II) and free shelves (described hot water I) water temperature, the normal cooling operation of the equipment that can guarantee like this, again can be on the full basis of reclaiming of heat energy, add personalized selection, the user can select corresponding water temperature according to the needs of oneself.
The utility model can be widely used in the air conditioner energy saving field.

Claims (1)

1, the energy-conservation unit of a kind of full heat reclamation type hot and cold water, comprise handpiece Water Chilling Units, cooling water recirculation system, computer automatic control device, described handpiece Water Chilling Units comprises compressor (1), condenser (2), expansion valve (3), evaporimeter (4) and successively by refrigeration working medium pipeline (100) the composition refrigeration cycle that is connected, described cooling water recirculation system comprises condenser (2), cooling tower (5), cooling water pump (16) and successively by cooling water cycle water pipe (500) the composition cooling water circulation loop that is connected, it is characterized in that: the energy-conservation unit of described full heat reclamation type hot and cold water also comprises high pressure condenser (6), heat exchanger (7), pressure transmitter (9), pressure-regulating valve (15), flow regulator (10,11), temperature transmitter (12,13), non-return valve (14), water circulating pump (17), cold water inlet road (200), I hot water line (300), II hot water line (400), described high pressure condenser (6) inserts the refrigeration working medium pipeline (100) between described compressor (1) outlet and the described condenser (2), described pressure transmitter (9), described pressure-regulating valve (15) inserts the refrigeration working medium pipeline (100) between described high pressure condenser (6) and the described condenser (2) respectively, described cold water inlet road (200) is respectively by described flow regulator (10,11) insert described high pressure condenser (6), the cold side inlet of described heat exchanger (7), described I hot water line (300), described II hot water line (400) is connected to described high pressure condenser (6) respectively, the cold side outlet of described heat exchanger (7), described temperature transmitter (12,13) be connected on described II hot water line (400) respectively, on the described I hot water line (300), advancing of described water circulating pump (17), outlet respectively with the coolant outlet of described condenser (2), the hot side-entrance of described heat exchanger (7) is connected, the advancing of described non-return valve (14), the hot side outlet of outlet and described heat exchanger (7), the cooling water inlet of described condenser (2) is connected.
CNU2006200657705U 2006-10-17 2006-10-17 Full heat recovery type cold and hot water energy-saving set Expired - Lifetime CN200968691Y (en)

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Application Number Priority Date Filing Date Title
CNU2006200657705U CN200968691Y (en) 2006-10-17 2006-10-17 Full heat recovery type cold and hot water energy-saving set

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101165429B (en) * 2006-10-17 2011-03-23 珠海慧生能源技术发展有限公司 All-heat reclamation type cold-hot water energy-saving machine set
WO2013166910A1 (en) * 2012-05-11 2013-11-14 杭州雪中炭恒温技术有限公司 Refrigerating capacity control device, and test apparatus and control method using the device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101165429B (en) * 2006-10-17 2011-03-23 珠海慧生能源技术发展有限公司 All-heat reclamation type cold-hot water energy-saving machine set
WO2013166910A1 (en) * 2012-05-11 2013-11-14 杭州雪中炭恒温技术有限公司 Refrigerating capacity control device, and test apparatus and control method using the device
GB2516389A (en) * 2012-05-11 2015-01-21 Xutemp Temptech Co Ltd Refrigerating capacity control device, and test apparatus and control method using the device
GB2516389B (en) * 2012-05-11 2018-08-29 Xutemp Temptech Co Ltd Refrigerating Apparatus

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20071031

Effective date of abandoning: 20061017