CN201429268Y - Multi-stage first-class lithium bromide absorption heat pump unit - Google Patents
Multi-stage first-class lithium bromide absorption heat pump unit Download PDFInfo
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- CN201429268Y CN201429268Y CN2009200463991U CN200920046399U CN201429268Y CN 201429268 Y CN201429268 Y CN 201429268Y CN 2009200463991 U CN2009200463991 U CN 2009200463991U CN 200920046399 U CN200920046399 U CN 200920046399U CN 201429268 Y CN201429268 Y CN 201429268Y
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
Abstract
The utility model relates to a multi-stage first-class lithium bromide absorption heat pump unit which comprises N stages of generators, condensers, evaporators, absorbers and solution heat exchangers, the stages of evaporators and absorbers are combined in a pressure cavity body, the stages of generators and condensers are combined in a pressure cavity body and form independent generation, condensation, evaporation and absorption processes with the stages of solution heat exchangers, a driving heat source is in parallel connection with N stages of generators through pipelines, the N stages ofevaporators are connected in series by a residual heat source through pipelines, the N stages of absorbers are connected in series by an output heat source through pipelines, and the heat source withrisen temperature is connected with each stage of condenser in parallel or series. By adopting the multi-stage combination of evaporators and absorbers, the temperature of the output heat source is higher on the premise that the residual heat sources have the same temperature; when the temperature of the output heat source is guaranteed, the temperature of the residual heat source is reduced to be even lower and the residual heat source is utilized more sufficiently.
Description
(1) technical field
The utility model relates to a kind of first kind lithium bromide absorption type heat pump unit.Belong to technical field of refrigeration equipment.
(2) background technology
At present China in the oil field, there are a large amount of dried up, technique waste waters that divide as recovering the oil in industries such as chemical industry, metallurgy, coking, the low-grade heat source below 60 ℃ that low temperature waste heat water etc. are a large amount of, we need the thermal source of a large amount of middle temperature again in production technology simultaneously, the thermal release that adds as the oil water mixture in DP technology, heating crude oil is carried, and production wellhead recharges and adds hot water etc.China needs a large amount of middle warm water's heating regional winter to the north of the Yellow River in addition.In production technology and life, need thermal source, the zone of low temperature exhaust heat is arranged again simultaneously, adopt first kind lithium bromide absorption type heat pump unit to extract the heat of low temperature exhaust heat, provide, can save a large amount of fuel than warm source in high 40～60 ℃ of the low-temperature heat source.
First kind lithium bromide absorption type heat pump unit (as Fig. 1) is made of generator, condenser, evaporimeter, absorber, solution heat exchanger, solution pump, cryogenic fluid pump, control system (not shown) and pipeline, valve of connecting each parts etc.The highest hot water temperature of first kind lithium bromide absorption type heat pump unit and the temperature of driving heat source and remaining hot water are directly related, remaining hot water temperature for the part occasion is on the low side, the hot water temperature has relatively high expectations, employing standard first kind lithium bromide absorption type heat pump flow process just can't meet the demands, how more effectively to utilize waste heat source heat, become the problem that first kind heat pump need solve for the user provides the hot water of higher temperature.
(3) summary of the invention
The purpose of this utility model is to address the above problem, and under the prerequisite of certain waste heat source temperature, provides the hot water of higher temperature to the user, or under the prerequisite that the hot water temperature guarantees, waste heat supply temperature is even lower, increases the recovery of waste heat source heat, improve the synthesis energy saving benefit.
The purpose of this utility model is achieved in that a kind of multisection type first kind lithium bromide absorption type heat pump unit, comprise N section generator, N section condenser, N section evaporimeter, N section absorber and N section solution heat exchanger, each section evaporimeter and absorber combination are in a pressure cavity, each section generator and condenser are combined in the pressure cavity, constitute independently generation with each section solution heat exchanger, condensation and evaporation, absorption process, driving heat source enters in the N section generator by the pipeline parallel connection, get up N section evaporator series by pipeline in the waste heat source, enter from N section evaporimeter, through N-1, N-2.... to the last enter first section evaporimeter, one section one section cooling is finished whole temperature-fall periods in heat pump through N section cooling.The output thermal source is together in series N section absorber by pipeline, enter from first section absorber, through 1,2.... to the last enters N section absorber, finish temperature-rise period at N section absorber, or the thermal source after heating up is connected and is entered condenser, N condenser is together in series, enter from N section condenser, to the last enter first section condenser through N-1, N-2...., finish the temperature-rise period at N section condenser, the output thermal source heats up and whole temperature-rise periods in heat pump are finished in the intensification of N section condenser through N section absorber.
The utility model multisection type first kind lithium bromide absorption type heat pump unit, output thermal source also can in parallelly again enter each section condenser and directly finish the overall temperature rise of output thermal source in condenser after N section absorber heats up.
The beneficial effects of the utility model are:
The utility model passes through an original generator at first kind lithium bromide absorption type heat pump, a condenser, an evaporimeter, each heat exchanger of finishing whole intensification and temperature-fall period in absorber and the solution heat exchanger is divided into the N section, it is become by N section generator, N section condenser, N section evaporimeter, the multisection type first kind lithium bromide absorption type heat pump unit that N section absorber and N section solution heat exchanger are formed, each section evaporimeter, absorber, condenser is born the rising and the reduction of portion temperature respectively, finishes the rising and the reduction of whole temperature after the N section.N can be divided into two, three, four or multistage more.By above optimum organization, this heat pump is in running, and one section evaporimeter that the waste heat source enters is because the temperature height produces refrigerant vapor pressure height, and evaporating pressure height, this section absorber can produce the output thermal source of higher temperature.One section evaporimeter of outlet is low owing to temperature in the waste heat source, evaporating pressure is low, this section absorber output thermal source of lower temperature, make up in the high temperature section of absorber by the high temperature section and the output thermal source of waste heat source at evaporimeter, the combination of low-temperature zone and low-temperature zone, guarantee that under the prerequisite of identical waste heat source temperature the temperature of output thermal source can be higher; Under the prerequisite that the heat outputting source temperature guarantees, the waste heat source temperature is lower.The output thermal source is connected behind N section absorber heat temperature raising and is entered section condenser continuation intensification of N section to, by the condenser segmentation, reduces the pressure of generator, reduces generator, condenser total heat conduction area, reduces cost.
(4) description of drawings
Fig. 1 is first kind lithium bromide absorption type heat pump set structure schematic diagram in the past.
Fig. 2 is the utility model multisection type first kind lithium bromide absorption type heat pump unit schematic diagram.
Among the figure: two sections condensers 1, two sections generators 2, one section generator 3, one section condenser 4, two sections steam of generator control valves 5, one section steam of generator control valve 6, steam inlet stop valve 7, one section absorber 8, one section evaporimeter 9, one section solution heat exchanger 10, one section water as refrigerant control valve 11, first cryogenic fluid pump 12, first solution pump 13, second solution pump 14, second cryogenic fluid pump 15, two sections water as refrigerant control valves 16, two sections solution heat exchangers 17, flash evaporator 18, two sections absorbers 19.
(5) specific embodiment
Multisection type first kind lithium bromide absorption type heat pump unit (being two sections schematic flow sheets among the figure) as shown in Figure 2, this unit by one section generator 3, two sections generators 2, one section condenser 4, two sections condensers 1, one section evaporimeter 9, flash evaporator 18, one section absorber 8, two sections absorbers 19, one section solution heat exchanger 10, two sections solution heat exchangers 17, first solution pump 13, second solution pump 14, first cryogenic fluid pump 12, second cryogenic fluid pumps 15, control system is not shown and pipeline, valve etc. are formed.One section generator 3, one section condenser 4 are arranged in the pressure chamber, and one section evaporimeter 9, one section absorber 8 are arranged in the cavity.One section generator 3, one section condenser 4, one section evaporimeter 9, one section absorber 8, one section solution heat exchanger 10 constitute independently generation, condensation and evaporation, absorption process.The cyclic process of water as refrigerant and lithium-bromide solution is identical with device shown in Figure 1, but the rising of the reduction of waste heat source temperature and heat outputting source temperature is only finished a part in this section, constitutes first section combination thus.Two sections generators 2, two sections condensers 1 are arranged in the pressure chamber, and flash evaporator 18, two sections absorbers 19 are arranged in the cavity.Two sections generators 2, two sections condensers 1, flash evaporator 18, two sections absorbers 19, two sections solution heat exchangers 17 constitute independently generation, condensation and evaporation, absorption process.Operation principle is identical with first section combination.The generator of every section combination and condenser, evaporimeter and absorber are left and right sides mode and arrange arrangement, and the waste heat source goes out version at evaporimeter on the output thermal source advances under absorber is.Driving heat source steam, fuel oil, combustion gas, high-temperature flue gas etc. enter in one section generator 3 and the two sections generators 2 by the pipeline parallel connection.The waste heat source enters in flash evaporator 18 and the one section evaporimeter 9 by pipeline series connection, finishes whole temperature-fall periods in heat pump through two sections coolings.The output thermal source enters one section absorber 8 and two sections absorbers 19 by pipeline series connection, finish the temperature-rise period in two sections absorbers after, series connection enters two sections condensers 1 and one section condenser 4 again, finishes the temperature-rise period in two sections condensers.The output thermal source heats up and whole temperature-rise periods in heat pump are finished in two sections condenser intensifications through two sections absorbers.
Last figure is two sections schematic flow sheets, and hop count N can be divided into two, three, four or multistage more, and principle is identical with two sections, and driving heat source (steam, fuel oil, combustion gas, high-temperature flue gas etc.) enters in N the generator by the pipeline parallel connection.Getting up N evaporator series by pipeline in the waste heat source, enters from N section evaporimeter, enters first section evaporimeter at last, and one section one section cooling is finished whole temperature-fall periods in heat pump through N section cooling.The output thermal source is together in series N absorber by pipeline, enter from first section absorber, enter N section absorber at last, finish the temperature-rise period at N section absorber, the thermal source after the intensification is connected and is entered condenser, and N condenser is together in series, enter from N section condenser, enter first section condenser at last, finish the temperature-rise period at N section condenser, the output thermal source heats up and whole temperature-rise periods in heat pump are finished in the intensification of N section condenser through N section absorber.Multistage combination by evaporimeter and absorber guarantees that under the prerequisite of identical waste heat source temperature the temperature of output thermal source can be higher; Under the prerequisite that the heat outputting source temperature guarantees, the waste heat source temperature is even lower, and waste heat source Btu utilization is more abundant.By the segmentation combination of condenser, reduce the pressure of generator, reduce generator, condenser total heat conduction area, reduce cost.
Each section cryogenic fluid pump can be various independently (as shown in FIG.) in the such scheme.It also can be the mode of the shared cryogenic fluid pump of a plurality of evaporimeters.The output thermal source also can in parallel enter each section condenser and directly finish the overall temperature rise of output thermal source in condenser after N section absorber heats up.
Claims (3)
1, a kind of multisection type first kind lithium bromide absorption type heat pump unit, it is characterized in that: described unit comprises N section generator, N section condenser, N section evaporimeter, N section absorber and N section solution heat exchanger, each section evaporimeter and absorber combination are in a pressure cavity, each section generator and condenser are combined in the pressure cavity, constitute independently generation with each section solution heat exchanger, condensation and evaporation, absorption process, driving heat source enters in the N section generator by the pipeline parallel connection, get up N section evaporator series by pipeline in the waste heat source, enter from N section evaporimeter, through N-1, N-2.... to the last enter first section evaporimeter; The output thermal source is together in series N section absorber by pipeline, enters from first section absorber, through 1,2.... to the last enters N section absorber; Thermal source after absorber heats up parallel connection again enters each section condenser, or the thermal source after heating up connects and enter condenser, and N condenser is together in series, and enters from N section condenser, to the last enters first section condenser through N-1, N-2.....
2, a kind of multisection type first kind lithium bromide absorption type heat pump unit according to claim 1, it is characterized in that: the generator of every section combination and condenser, evaporimeter and absorber are left and right sides mode and arrange arrangement, the waste heat source goes out version at evaporimeter on the output thermal source advances under absorber is.
3, a kind of multisection type first kind lithium bromide absorption type heat pump unit according to claim 1, it is characterized in that: described N is more than two or two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200463991U CN201429268Y (en) | 2009-06-09 | 2009-06-09 | Multi-stage first-class lithium bromide absorption heat pump unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200463991U CN201429268Y (en) | 2009-06-09 | 2009-06-09 | Multi-stage first-class lithium bromide absorption heat pump unit |
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| CN201429268Y true CN201429268Y (en) | 2010-03-24 |
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| CN2009200463991U Expired - Fee Related CN201429268Y (en) | 2009-06-09 | 2009-06-09 | Multi-stage first-class lithium bromide absorption heat pump unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808059A (en) * | 2014-02-17 | 2014-05-21 | 双良节能系统股份有限公司 | Secondary-generation and secondary-absorption second-class lithium bromide absorption heat pump unit |
| CN110173923A (en) * | 2019-06-18 | 2019-08-27 | 双良节能系统股份有限公司 | A kind of two-period form lithium bromide absorption type heat pump unit of single-action heating double-effect refrigeration |
| CN113669956A (en) * | 2021-08-02 | 2021-11-19 | 北京工业大学 | Adjustable generator and control method thereof |
-
2009
- 2009-06-09 CN CN2009200463991U patent/CN201429268Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808059A (en) * | 2014-02-17 | 2014-05-21 | 双良节能系统股份有限公司 | Secondary-generation and secondary-absorption second-class lithium bromide absorption heat pump unit |
| CN110173923A (en) * | 2019-06-18 | 2019-08-27 | 双良节能系统股份有限公司 | A kind of two-period form lithium bromide absorption type heat pump unit of single-action heating double-effect refrigeration |
| CN113669956A (en) * | 2021-08-02 | 2021-11-19 | 北京工业大学 | Adjustable generator and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHUANGLIANG ECO-ENERGEY SYSTEMS CO.,LTD. Free format text: FORMER OWNER: SHUANGLIANG AIR CONDITIONING EQUIPMENT CO LTD, JIANGSU Effective date: 20100913 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100913 Address after: 214444 Jiangsu city of Jiangyin Province Li Town Road No. 1 West Patentee after: Shuangliang Energy Saving System Co., Ltd. Address before: 214444 Jiangsu city of Jiangyin Province Li Town Road No. 1 West Patentee before: Shuangliang Air Conditioning Equipment Co., Ltd., Jiangsu |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100324 Termination date: 20170609 |