CN2562141Y - Lithium bromide cold and hot water machine set - Google Patents
Lithium bromide cold and hot water machine set Download PDFInfo
- Publication number
- CN2562141Y CN2562141Y CN 02247394 CN02247394U CN2562141Y CN 2562141 Y CN2562141 Y CN 2562141Y CN 02247394 CN02247394 CN 02247394 CN 02247394 U CN02247394 U CN 02247394U CN 2562141 Y CN2562141 Y CN 2562141Y
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- CN
- China
- Prior art keywords
- lithium bromide
- unit
- cooling
- hot water
- bromide unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 title claims abstract description 88
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 238000001816 cooling Methods 0.000 claims abstract description 33
- 238000005057 refrigeration Methods 0.000 claims abstract description 23
- 239000003507 refrigerant Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000006096 absorbing agent Substances 0.000 claims abstract description 6
- 239000000498 cooling water Substances 0.000 abstract description 8
- 239000002918 waste heat Substances 0.000 abstract 1
- 229940059936 lithium bromide Drugs 0.000 description 13
- 230000005611 electricity Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Sorption Type Refrigeration Machines (AREA)
Abstract
A novel lithium bromide cold and hot water unit comprises a generator, a condenser, an evaporator and an absorber in the original lithium bromide unit, and is characterized in that a refrigeration compressor 8 is sequentially connected with a high-temperature hot water exchanger 4, a heating loop 1.3 in the generator, a low-temperature hot water exchanger 2, a liquid storage pipe 10, a filter 11, a throttling element 12, a cooling loop in the lithium bromide unit and the refrigeration compressor 8 through refrigerant pipelines to form a refrigerant loop, in addition, the inlet of the cooling water pipeline of the low-temperature hot water exchanger 2 is connected with cold water, and the outlet of the cooling water pipeline is connected with the inlet of the high-temperature hot water exchanger 4 through a three-way valve 3. The utility model can refrigerate and can produce hot water at 70-90 ℃. The external cooling system of the original lithium bromide unit is replaced by the heat pump unit, so that the cooling system is not needed, the power consumption of the cooling system is saved, and the lithium bromide unit is free from noise and heat pollution. Waste heat generated by the original lithium bromide unit is compressed by a compressor by taking a refrigerant as a carrier, and then enters the lithium bromide unit to be used as a heat source for refrigeration. The heat energy utilization rate of the unit is high.
Description
Technical field
The utility model belongs to refrigeration technology field, particularly the composite set of lithium bromide machine.
Background technology
Evaporation type lithium bromide cooling-water machine group is made of refrigerant loop, solution loop, thermal source loop, chilled(cooling) water return (CWR) and chilled water circuit.During work, constitute the thermal source loop by generator and steam boiler etc.; Constitute chilled water circuit to the air-conditioner cooling by evaporimeter and air-conditioner etc.; By absorber, condenser and cooling water pump, cooling tower etc. constitute chilled(cooling) water return (CWR) environmental emission used heat towards periphery.It is its heat supply that the lithium bromide cooling-water machine group of said structure needs steam boiler, in addition, the used heat that its condenser produces needs cooling device such as cooling tower to discharge, like this, both waste this part heat energy, again environment had been produced thermal pollution, and, equipment such as cooling tower are consumed power again, produces system noise.Because the lithium bromide refrigerator Energy Efficiency Ratio is low, so the application example of electrical heating of no use refrigeration, even the electricity consumption heating and cooling, its efficient is also low especially, does not possess practicality.
Summary of the invention:
In order to solve the problem that prior art exists, the utility model provides a kind of novel lithium bromide hot and cold water unit of heat-pump-type heating.It comprises generator, condenser, evaporimeter and absorber in the former lithium bromide unit, it is characterized in that refrigeration compressor 8 links to each other with heating circuit 1.3 in the lithium bromide unit generator by pipeline, the other end of heating circuit 1.3 by pipeline successively with liquid storage pipe 10, filter 11, restricting element 12, lithium bromide unit in chilled(cooling) water return (CWR) 1.2 link to each other with refrigeration compressor, constitute refrigerant loop, in addition, between the refrigerant outlet of compressor 8 and inlet, be connected energy regulator 7, as the bypass of compressor 8.Its objective is the compressor low-pressure side is added substitutional load, make compressor air suction pressure be not less than minimum limit value, guarantee lithium bromide unit operate as normal.This structure is designated hereinafter simply as first kind of structure.
In the lithium bromide hot and cold water unit of this structure, absorb the used heat that former lithium bromide cooling system distributes by cold-producing medium, after heating up, compressed machine delivers to the heat(ing) coil of generator in the lithium bromide unit, use as thermal source.Like this, the equipment of both having cancelled in the former lithium bromide cooling water system such as cooling tower are realized the cooling system closed cycle, save the cooling system power consumption, no cooling system noise, no thermal pollution, and, utilized the used heat of cooling system, after heating up and practise, compressed machine (heat pump) sends into generator heating lithium-bromide solution as thermal source again.The Energy Efficiency Ratio of the lithium bromide unit of this heat-pump-type heating and cooling is higher than the direct-fired 3-5 of electricity consumption doubly.
In order to guarantee that the lithium bromide unit normally moves, said structure is improved, two-port in the chilled(cooling) water return (CWR) of lithium bromide unit connects heat exchanger 13 and circulating pump 14, the refrigerant loop of heat exchanger 13 is connected between restricting element 12 and the refrigeration compressor 8, and this structure abbreviates second kind of structure as.
Freeze in order to adapt to the lithium bromide unit, the variation of heating capacity, the compressor 8 in the utility model has the offloading functions compressor of (containing frequency control) for one or more, or adopts the compressor of no offloading functions more than two.
In order to utilize heat through the cold-producing medium behind the lithium bromide unit heating circuit, on the basis of above-mentioned two kinds of structures, low-temperature water heating interchanger 2 is installed between heating circuit 1.3 in lithium bromide unit generator and the liquid storage pipe 10, is equipped with water inlet pipe 9 and outlet pipe 6 on the low-temperature water heating interchanger 2.
In order to make full use of the heat of the high-temperature high-pressure refrigerant that comes out from compressor, on the said structure basis, high-temperature-hot-water interchanger 4 is installed between the heating circuit 1.3 in refrigeration compressor 8 and lithium bromide unit generator, and the outlet pipe 6 of low-temperature water heating interchanger 2 connects the oral siphon of high-temperature-hot-water interchanger 4 by triple valve 3.
Above-mentioned high low-temperature water heating interchanger 4 and 2 also can be air-cooled interchanger, and the heat of generation can be used for purposes such as oven dry.
The utility model provides a kind of lithium bromide unit of heat-pump-type heating and cooling, has cancelled former lithium bromide unit external refrigeration water system, reduces power consumption, has eliminated system noise, no thermal pollution.And the used heat that the lithium bromide unit is produced replaces steam boiler that the solution in the lithium bromide unit generator is heated after heat pump is heated.The Energy Efficiency Ratio of this unit is higher than 3-5 times of the direct-fired lithium bromide unit of electricity consumption.This unit a tractor serves several purposes not only can freeze but also capable of producing hot water.
Description of drawings:
Fig. 1 is embodiment 1 structural representation, and Fig. 2 is the structural representation of embodiment 2.
The specific embodiment
Embodiment 1: a kind of novel lithium bromide hot and cold water unit, it comprises the refrigerant loop in the former lithium bromide unit, solution loop, thermal source loop, chilled(cooling) water return (CWR) and chilled water circuit, it is characterized in that refrigeration compressor 8 by pipeline successively with high-temperature-hot-water interchanger 4, lithium bromide unit 1 generator in heating circuit 1.3, low-temperature water heating interchanger 2, liquid storage pipe 10, filter 11, restricting element 12, lithium bromide unit 1 in cooling road 1.2 link to each other the formation refrigerant loop with refrigeration compressor 8.Between the refrigerant outlet of refrigeration compressor 8 and inlet, be connected energy regulator (the other type of KVC type hot gas/cold air) 7.Chilled(cooling) water return (CWR) in the so-called lithium bromide unit 1 is meant from the cooling water inlet of the absorber the lithium bromide unit to the coolant outlet section (with regard to the absorption cold water unit of mono-potency lithium bromide) of condenser.In addition, low-temperature water heating interchanger 2 is provided with water inlet pipe 9, and outlet pipe connects the oral siphon of high-temperature-hot-water interchanger 4 and the outlet pipe and the valve 6 of low-temperature water heating interchanger 2 by triple valve 3, and high-temperature-hot-water interchanger 4 is provided with outlet pipe and valve 5.
During this unit work, the high-temperature high-pressure refrigerant that refrigeration compressor 8 produces makes the cryogen evaporation through solution heating in the 1.3 pairs of generators of heating circuit that enter lithium bromide unit 1 generator behind the high-temperature water heater 4.Afterwards, cold-producing medium enters low-temperature water heating interchanger 2 again and carries out heat exchange, and through entering the chilled(cooling) water return (CWR) 1.2 of lithium bromide unit 1 behind liquid storage pipe 10, filter 11 and the restricting element 12, promptly the cooling water inlet of absorber absorbs the heat that cryogen is discharged again.Like this, with the cold-producing medium is that carrier sucks compressed machine 8 air entries of used heat that the lithium bromide unit produces, and enters lithium bromide unit (heat(ing) coil in the generator) behind the high-temperature high-pressure refrigerant process high-temperature-hot-water interchanger 4 after being compressed and uses as the thermal source that freezes.Cold-producing medium enters chilled(cooling) water return (CWR) 1.2 in the lithium bromide unit 1 enter low-temperature water heating interchanger 2, liquid storage pipe 10, filter 11, restricting element 12 after lithium bromide unit release heat after again, return compressor 8 behind the cooling used heat of absorption lithium bromide unit, circulation so repeatedly realizes unit refrigeration (the evaporimeter chilled water circuit 1.1 in the former lithium bromide unit is freezed) and heats water.
After 7-30 ℃ cold water enters low-temperature water heating interchanger 2,, can obtain 45-50 ℃ hot water if directly discharge from outlet pipe 6 through triple valve 3; If forward triple valve 3 inlet of high-temperature-hot-water interchanger 4 to, make the hot water that comes out from low-temperature water heating interchanger 2 enter elevated temperature heat exchange 4 again and further heat up, can obtain 70-90 ℃ of hot water.Evaporimeter in the former lithium bromide unit still plays refrigeration.Present embodiment both can freeze, and can produce hot water, a tractor serves several purposes again.
Embodiment 2:
A kind of novel lithium bromide hot and cold water unit, it comprises refrigerant loop, solution loop, thermal source loop, chilled(cooling) water return (CWR) and chilled water circuit in the lithium bromide unit, it is characterized in that refrigeration compressor 8 links to each other with heating circuit 1.3, low-temperature water heating interchanger 2, liquid storage pipe 10, filter 11, restricting element 12, heat exchanger 13 and refrigeration compressor 8 in high-temperature-hot-water interchanger 4, lithium bromide unit 1 generator successively by pipeline, constitute refrigerant loop, the refrigerant outlet of refrigeration compressor 8 with enter the mouth between be connected adjuster 7.Chilled(cooling) water return (CWR) in the lithium bromide unit 1 links to each other with circulating pump 14 with heat exchanger 13.The characteristics of embodiment 2 are that cold-producing medium does not directly enter the cooling circuit in the lithium bromide unit, but cool off by 13 pairs of lithium bromide units of heat exchanger.Its advantage is to guarantee lithium bromide unit operate as normal.
Claims (4)
1, a kind of novel lithium bromide hot and cold water unit, it comprises the generator in the former lithium bromide unit, condenser, evaporimeter and absorber, it is characterized in that refrigeration compressor (8) links to each other with heating circuit (1.3) in the lithium bromide unit generator by pipeline, the other end of heating circuit (1.3) by pipeline successively with liquid storage pipe (10), filter (11), restricting element (12), cooling circuit in the lithium bromide unit (1.2) links to each other with refrigeration compressor (8), constitute refrigerant loop, in addition, between the refrigerant outlet of compressor (8) and inlet, be connected energy regulator (7).
2, according to the said novel lithium bromide hot and cold water unit of claim 1, it is characterized in that the refrigerant loop of heat exchanger (13) is connected between restricting element (12) and the refrigeration compressor (8) at the two-port connection heat exchanger (13) and the circulating pump 14 of the chilled(cooling) water return (CWR) of lithium bromide.
3, according to claim 1 or 2 said novel lithium bromide hot and cold water units, it is characterized in that between heating circuit (1.3) in lithium bromide unit generator and the liquid storage pipe (10) low temperature heat exchanger (2) being installed, be installed into water pipe (9) and outlet pipe (6) on the low temperature heat exchanger (2).
4, according to the said novel lithium bromide hot and cold water unit of claim 3, its feature must be installed high-temperature heat exchanger (4) between the heating circuit (1.3) in refrigeration compressor (8) and the lithium bromide unit generator, the outlet pipe (6) of low temperature heat exchanger (2) connects the oral siphon of high-temperature heat exchanger (4) by triple valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02247394 CN2562141Y (en) | 2002-08-08 | 2002-08-08 | Lithium bromide cold and hot water machine set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02247394 CN2562141Y (en) | 2002-08-08 | 2002-08-08 | Lithium bromide cold and hot water machine set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2562141Y true CN2562141Y (en) | 2003-07-23 |
Family
ID=33718297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02247394 Expired - Fee Related CN2562141Y (en) | 2002-08-08 | 2002-08-08 | Lithium bromide cold and hot water machine set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2562141Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135348A (en) * | 2011-04-23 | 2011-07-27 | 大连三洋制冷有限公司 | Novel efficient lithium bromide absorbing type machine set for simultaneously supplying cold and hot water |
| CN102297542A (en) * | 2011-08-16 | 2011-12-28 | 高林华 | High-efficiency and environment-friendly type water chilling unit capable of first being thermally started and then electrically driven |
| CN102563774A (en) * | 2010-12-30 | 2012-07-11 | 陈丹萍 | Solar-thermal separated type air conditioner |
| CN106403374A (en) * | 2016-12-12 | 2017-02-15 | 远大空调有限公司 | Magnetic suspension water cooling unit and lithium bromide cold and heat pump unit double running system and method |
-
2002
- 2002-08-08 CN CN 02247394 patent/CN2562141Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563774A (en) * | 2010-12-30 | 2012-07-11 | 陈丹萍 | Solar-thermal separated type air conditioner |
| CN102135348A (en) * | 2011-04-23 | 2011-07-27 | 大连三洋制冷有限公司 | Novel efficient lithium bromide absorbing type machine set for simultaneously supplying cold and hot water |
| CN102135348B (en) * | 2011-04-23 | 2012-12-26 | 大连三洋制冷有限公司 | Novel efficient lithium bromide absorbing type machine set for simultaneously supplying cold and hot water |
| CN102297542A (en) * | 2011-08-16 | 2011-12-28 | 高林华 | High-efficiency and environment-friendly type water chilling unit capable of first being thermally started and then electrically driven |
| CN102297542B (en) * | 2011-08-16 | 2014-03-12 | 高林华 | Water chilling unit capable of first being thermally started and then electrically driven |
| CN106403374A (en) * | 2016-12-12 | 2017-02-15 | 远大空调有限公司 | Magnetic suspension water cooling unit and lithium bromide cold and heat pump unit double running system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |