CN101608844A - A kind of all-in-one machine integrated with heat and cold sources - Google Patents

A kind of all-in-one machine integrated with heat and cold sources Download PDF

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Publication number
CN101608844A
CN101608844A CNA2009101822360A CN200910182236A CN101608844A CN 101608844 A CN101608844 A CN 101608844A CN A2009101822360 A CNA2009101822360 A CN A2009101822360A CN 200910182236 A CN200910182236 A CN 200910182236A CN 101608844 A CN101608844 A CN 101608844A
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China
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evaporimeter
condenser
water
cooled
heat
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CNA2009101822360A
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Chinese (zh)
Inventor
俞卫刚
沈晋明
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Suzhou University
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Suzhou University
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Priority to CNA2009101822360A priority Critical patent/CN101608844A/en
Publication of CN101608844A publication Critical patent/CN101608844A/en
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Abstract

The invention discloses a kind of all-in-one machine integrated with heat and cold sources, comprise a compressor, the high-pressure outlet end of described compressor is connected with condenser, the port of export of described condenser is connected with the entrance point of throttling arrangement, the port of export of described throttling arrangement is connected with evaporimeter, the port of export of described evaporimeter is connected with the low pressure inlet end of described compressor, it is characterized in that: described condenser is made of water-cooled condenser and air-cooled condenser parallel connection, described evaporimeter is made of water-cooled evaporimeter and air-cooled evaporimeter parallel connection, one group of fluid passage of described water-cooled condenser is connected with described throttling arrangement, another group fluid passage is connected with first EGR, the one group of fluid passage and the described compressor low pressure inlet end of described water-cooled evaporimeter, another group fluid passage is connected with second EGR.The present invention is cooling and heat supply simultaneously in use, and energy consumption is less, and is little to the pollution of environment.

Description

A kind of all-in-one machine integrated with heat and cold sources
Technical field
The present invention relates to a kind of all-in-one machine integrated with heat and cold sources.
Background technology
Heavy construction such as modern hospital, hotel with can characteristics be that cooling amount, heating load are big, the Cooling and Heat Source feeding medium mainly is chilled water and hot water (water temperature is not high).User side disperse and have the control of two classes require different, difference is big.
Traditional low-temperature receiver, the thermal source of buildings such as existing hospital, hotel split, and as shown in Figure 1, freezing unit is emitted considerable waste heat on the one hand, and practical again on the one hand a large amount of energy burn steam.Although people improve the efficient of refrigeration unit and boiler by fair means or foul, and reclaim these used heat, obtained certain achievement, do not solve big basic of hospital's energy consumption.Therefore energy-conservation key should be the reasonable coupling of Cooling and Heat Source, improves efficiency of energy utilization, rather than controls consumption, and especially can not reduce environment control quality.The facility system design concept of present hospital, various function section office (portion) design respectively in the institute.With various function section office (portion) particular space is the control target, and low-temperature receiver, thermal source are realized to suitable hot and cold media (as air, hot and cold water, the steam etc.) amount of control target input, also produce used heat, waste water, waste gas simultaneously.Cold media mainly uses for medical treatment in summer section office air-conditioning, and thermal medium is mainly supplied steam and hot water, is used for sterilization, domestic hot-water, medical heat supply, winter heating etc.In low-temperature receiver cooling and heat supply, consume electricity or gas equal energy source, and produced corresponding used heat, useless cold, be discharged in the external environment with the form of air draft, condensed water or sanitary sewage.
The energy-conservation theory of tradition is again the conservation measures that each specialty (technology, building, power, plumbing etc.) proposes from own angle, can't form aggregate measures, even adopt state-of-the-art technology, use equipment the most efficiently, improve system's energy consumption efficiency again, the final energy consumption that reduces, the waste heat discharge amount of minimizing still is limited, the crux of this just present hospital high energy consumption.
A kind of " energy lift machine " appearred afterwards, so-called " energy lift machine " only with unit from as control volume, to keep self cold and hot amount balance, in case the heat imbalance, unit just has constantly discharging of used heat (cold).Particularly in summer, when " energy lift machine " when being converted to main cooling, its efficient (COP) is lower than general single cooler group, equally in the winter time, when " energy lift machine " is converted to main heat supply, when temperature dropped to a certain extent, its efficient is reduced to even is lower than electrical heating, and is in use very big to the waste of energy consumption.
From the above, the unit that generally uses cooling and heat supply simultaneously at present, and in use energy consumption is bigger, and also bigger to the pollution of environment.
Summary of the invention
The object of the invention provides a kind of all-in-one machine integrated with heat and cold sources, uses this system, cooling and heat supply simultaneously, energy utilization rate height.
For achieving the above object, the technical solution used in the present invention is: a kind of all-in-one machine integrated with heat and cold sources, comprise a compressor, the high-pressure outlet end of described compressor is connected with condenser, the port of export of described condenser is connected with the entrance point of throttling arrangement, the port of export of described throttling arrangement is connected with evaporimeter, the port of export of described evaporimeter is connected with the low pressure inlet end of described compressor, described condenser is made of water-cooled condenser and air-cooled condenser parallel connection, described evaporimeter is made of water-cooled evaporimeter and air-cooled evaporimeter parallel connection, one group of fluid passage of described water-cooled condenser is connected with described throttling arrangement, another group fluid passage is connected with first EGR, the one group of fluid passage and the described compressor low pressure inlet end of described water-cooled evaporimeter, another group fluid passage is connected with second EGR.
In the technique scheme, described compressor is a prior art, its effect is the gas that sucks low-temp low-pressure, after compression, discharge the gas of HTHP, described condenser is the device that gas is become liquid, and described evaporimeter is the device that liquid is become gas, described throttling arrangement can be an electric expansion valve, and its effect is that highly pressurised liquid is transformed into low pressure liquid.This device in use, the high-pressure outlet end of compressor is discharged gases at high pressure, described gases at high pressure enter water-cooled condenser, after the water-cooled condenser cooling, become highly pressurised liquid, wherein one group of fluid passage makes highly pressurised liquid flow to throttling arrangement, the heat that another group fluid passage makes transition process produce is derived through EGR by hot water, supplies with air-conditioning and terminal temperature difference and uses; The highly pressurised liquid of flow throttling device changes low pressure liquid (may be gas, liquid two-phase) into through throttling arrangement, described low pressure liquid enters in the water-cooled evaporimeter, through water-cooled evaporimeter processing becoming low-pressure gas, one group of fluid passage makes low-pressure gas go in the compressor, another group fluid passage supplies with air-conditioning through EGR and terminal temperature difference uses, whole process makes and has reduced cold and hot amount balance waste heat or surplus cold discharging, thereby dropped to non-renewable energy resources consumption minimum.When not needing water-cooled condenser to work fully, the gases at high pressure part that compressor comes out is through air-cooled condenser, by air-cooled condenser gases at high pressure are condensed into highly pressurised liquid, wherein the heat of Chan Shenging directly is discharged into outdoor, highly pressurised liquid changes low pressure liquid into through throttling arrangement, enters the water-cooled evaporimeter; If the water-cooled evaporimeter need not to work fully, then the low pressure liquid of some enters air-cooled evaporimeter, becomes low-pressure gas through air-cooled evaporimeter, and the cold of generation directly is discharged to outdoor, and low-pressure gas enters compressor, continues circulation.Air-cooled condenser and air-cooled evaporimeter can not worked simultaneously.
Further technical scheme is provided with the heat supply servicing unit in described first EGR, is provided with the cooling servicing unit in second EGR.The setting of above-mentioned heat supply servicing unit and cooling servicing unit, when extreme weather, cold and hot amount in EGR is under-supply, all-in-one machine integrated with heat and cold sources and servicing unit can be used in combination, according to building in Various Seasonal, difference in functionality and efficient, adopt different combined runnings, realize best comprehensive efficiency.
Because the technique scheme utilization, the present invention compared with prior art has following advantage:
1. the present invention is by being connected the compressor high-pressure outlet end with condenser, condenser is connected with evaporimeter through throttling arrangement, described evaporimeter is connected with the low pressure inlet end of compressor, one group of fluid passage of described evaporimeter and condenser is connected with EGR, thereby heat supply simultaneously or cooling satisfy different instructions for uses, and whole process has reduced energy consumption as compared with the past, and reduced waste heat and surplus cold discharging, realized best comprehensive efficiency;
2. the present invention is provided with servicing unit in EGR, thereby makes all-in-one machine integrated with heat and cold sources to be used in combination with servicing unit, satisfies the instructions for use under the extreme condition;
3. the present invention is simple in structure, and the use aspect is easy to realize, is fit to promote the use of.
Description of drawings
Fig. 1 is a traditional cold thermal source energy consumption block diagram in the prior art;
Fig. 2 is the structured flowchart of the embodiment of the invention one;
Fig. 3 is an energy consumption block diagram in the embodiment of the invention one.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment one: extremely shown in Figure 3 referring to Fig. 1, a kind of all-in-one machine integrated with heat and cold sources, comprise a compressor, the high-pressure outlet end of described compressor is connected with condenser, the port of export of described condenser is connected with the entrance point of throttling arrangement, the port of export of described throttling arrangement is connected with evaporimeter, the port of export of described evaporimeter is connected with the low pressure inlet end of described compressor, described condenser is made of water-cooled condenser and air-cooled condenser parallel connection, described evaporimeter is made of water-cooled evaporimeter and air-cooled evaporimeter parallel connection, one group of fluid passage of described water-cooled condenser is connected with described throttling arrangement, another group fluid passage is connected with first EGR, the one group of fluid passage and the described compressor low pressure inlet end of described water-cooled evaporimeter, another group fluid passage is connected with second EGR.Be provided with the heat supply servicing unit in described first EGR, be provided with the cooling servicing unit in second EGR.
This device in use, the high-pressure outlet end of compressor is discharged gases at high pressure, described gases at high pressure enter water-cooled condenser, through water-cooled condenser processing becoming highly pressurised liquid, one group of fluid passage is connected with throttling arrangement, another group fluid passage is connected heat and hot water that transition process is produced derives with EGR, supplies with air-conditioning and terminal temperature difference and uses; The highly pressurised liquid that comes out from water-cooled condenser changes low pressure liquid into through throttling arrangement, described low pressure liquid enters in the water-cooled evaporimeter, through water-cooled evaporimeter processing becoming low-pressure gas, one group of fluid passage is connected with compressor low pressure inlet end, low-pressure gas enters in the compressor, and another group fluid passage of continuing to circulate is connected for terminal temperature difference with EGR uses.
If summer refrigeration duty more greater than thermic load, can be with all-in-one machine integrated with heat and cold sources group and auxiliary cooling apparatus (as single cold cooling-water machine, straight-expansion type air conditioner unit) combination; In the winter time, more as thermic load greater than refrigeration duty, can be with all-in-one machine integrated with heat and cold sources group and auxiliary heat supplying device (as distributing gas heating water unit or source of sewage recuperation of heat unit etc.) combination, according to building under Various Seasonal, difference in functionality apparatus function and efficient, the operation of employing various combination is to realize best comprehensive efficiency.
Require in the winter time to lack with heat or use cold more.Indoor in the winter time have a heating thermic load, needs the place of heat supply water simultaneously, and place thermic loads in winter such as inconocenter supply room, meal kitchen are compared often little with the subordinate refrigeration duty, the ward also need be with hot water (as having a bath) in short-term, at this moment can suspend heating, utilize the architecture noumenon accumulation of heat, keep indoor temperature.Use up and reply heating behind the hot water again, so not only energy-conservation but also improved utilization rate of equipment and installations, reduced cost, more reduced and used heat.Also particularly important to coastal area transition season air-conditioning equally.China's southeast transition season even early winter, the humidity control of (humidity height, temperature are also higher) air-conditioning was a big problem always, utilized all-in-one machine integrated with heat and cold sources can advocate the heating again of dehumidifying earlier energetically, had strengthened freezing water consumption, improved the control quality.

Claims (2)

1. all-in-one machine integrated with heat and cold sources, comprise a compressor, the high-pressure outlet end of described compressor is connected with condenser, the port of export of described condenser is connected with the entrance point of throttling arrangement, the port of export of described throttling arrangement is connected with evaporimeter, the port of export of described evaporimeter is connected with the low pressure inlet end of described compressor, it is characterized in that: described condenser is made of water-cooled condenser and air-cooled condenser parallel connection, described evaporimeter is made of water-cooled evaporimeter and air-cooled evaporimeter parallel connection, one group of fluid passage of described water-cooled condenser is connected with described throttling arrangement, another group fluid passage is connected with first EGR, the one group of fluid passage and the described compressor low pressure inlet end of described water-cooled evaporimeter, another group fluid passage is connected with second EGR.
2. a kind of all-in-one machine integrated with heat and cold sources according to claim 1 is characterized in that: be provided with the heat supply servicing unit in described first EGR, be provided with the cooling servicing unit in second EGR.
CNA2009101822360A 2009-07-03 2009-07-03 A kind of all-in-one machine integrated with heat and cold sources Pending CN101608844A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103075848A (en) * 2013-01-21 2013-05-01 深圳市庄合地能产业科技有限公司 Cold and heat balancing system combining lithium bromide set and refrigeration house
CN103727705A (en) * 2012-10-15 2014-04-16 深圳市新迪能源科技有限公司 Double-source heat pump nanofluid heat energy technology system
CN105202809A (en) * 2015-10-26 2015-12-30 天津商业大学 Single-unit single-level transcritical carbon dioxide refrigeration/heat pump comprehensive experiment table
CN106225318A (en) * 2016-07-25 2016-12-14 重庆大学 Can total heat recovery air source heat pump system as low level heat energy with solar energy ground
CN111765659A (en) * 2019-12-30 2020-10-13 西安东方能源工程有限公司 Air source oil purifier
CN112303948A (en) * 2020-09-29 2021-02-02 青岛海尔空调电子有限公司 Multistage heat exchange system
CN114543388A (en) * 2022-03-03 2022-05-27 河南牧业经济学院 Refrigerating device waste heat recovery device and refrigerating device waste heat recovery system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103727705A (en) * 2012-10-15 2014-04-16 深圳市新迪能源科技有限公司 Double-source heat pump nanofluid heat energy technology system
CN103075848A (en) * 2013-01-21 2013-05-01 深圳市庄合地能产业科技有限公司 Cold and heat balancing system combining lithium bromide set and refrigeration house
CN105202809A (en) * 2015-10-26 2015-12-30 天津商业大学 Single-unit single-level transcritical carbon dioxide refrigeration/heat pump comprehensive experiment table
CN106225318A (en) * 2016-07-25 2016-12-14 重庆大学 Can total heat recovery air source heat pump system as low level heat energy with solar energy ground
CN111765659A (en) * 2019-12-30 2020-10-13 西安东方能源工程有限公司 Air source oil purifier
CN111765659B (en) * 2019-12-30 2023-02-28 西安东方能源工程有限公司 Air source oil purifier
CN112303948A (en) * 2020-09-29 2021-02-02 青岛海尔空调电子有限公司 Multistage heat exchange system
CN114543388A (en) * 2022-03-03 2022-05-27 河南牧业经济学院 Refrigerating device waste heat recovery device and refrigerating device waste heat recovery system
CN114543388B (en) * 2022-03-03 2023-07-11 河南牧业经济学院 Refrigerating device waste heat recovery device and refrigerating device waste heat recovery system

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Open date: 20091223