CN205279507U - Cold, hot water unit of high -efficient flue gas type lithium bromide absorption formula of heating - Google Patents
Cold, hot water unit of high -efficient flue gas type lithium bromide absorption formula of heating Download PDFInfo
- Publication number
- CN205279507U CN205279507U CN201521092621.3U CN201521092621U CN205279507U CN 205279507 U CN205279507 U CN 205279507U CN 201521092621 U CN201521092621 U CN 201521092621U CN 205279507 U CN205279507 U CN 205279507U
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- heating
- absorber
- hot water
- flue gas
- vaporizer
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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
-
- 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 cold, hot water unit of high -efficient flue gas type lithium bromide absorption formula of heating, its characteristics are: the unit has increased gas gas heater (18), heating evaporimeter (27), heating absorber (20), heating solution heat exchanger (21), heating cryrogenic fluid pump (22) and circulating water pump (26), and heating evaporimeter (27) and heating absorber (20) set up in same cavity, is cooling, is setting up on hot water import pipe (15) hot water pipeline of the same kind, and this way hot water gets into in heating absorber (20) heat exchange tube, add weak solution pipeline of the same kind on solution pump outlet pipe (12), this way weak solution gets into heating absorber (20) through heating solution heat exchanger (21) cooling and sprays, adds cryogenic coolant water replenishing pipe way of the same kind (24) on evaporimeter liquid bag (14), and this way cryogen water gets into heating evaporimeter liquid bag (28) as the moisturizing of cryogenic coolant water. The utility model discloses effectively reduce exhaust gas temperature, improve that entire system energy comprehensive utilization is rateed, unit easy operation.
Description
Technical field
This utility model relates to a kind of flue gas type lithium bromide absorption cold, Hot water units. Belong to air conditioner technical field.
Background technology
At present in the generating of Distribution of Natural formula and Industrial Stoves application, the flue-gas temperature higher (about 400 DEG C) of jet dynamic control and Industrial Stoves discharge, the heat taken away of smoke evacuation and the ratio accounting for energy-output ratio thereof are all bigger, for recycling the waste heat of flue gas, some occasion is just in popularization and application flue gas type lithium bromide absorption cold, Hot water units technology, improve comprehensive utilization of energy rate, reduce environmental pollution.
Flue gas type lithium bromide absorption cold, Hot water units be within the high-temperature flue gas of the external device (ED) such as fuel engine power generation unit discharge as driving heat source, water is cold-producing medium, lithium bromide water solution is absorbent, alternately or simultaneously produces air under vacuum conditions and regulates or the equipment of technique cold water, hot water. flue gas type lithium bromide absorption cold, Hot water units are as it is shown in figure 1, be made up of the pipeline of flue gas high tension generator 1, low pressure generator 9, condenser 8, vaporizer 5, absorber 4, cryogenic fluid heat exchanger 3, high-temperature solution heat exchanger 2, heating concentrated solution switching valve 10, heating refrigerant vapour switching valve 11, solution pump 6, cryogenic fluid pump 7, valve and control system (not shown) and connecting components. unit is when heating operating mode is run, heating concentrated solution switching valve 10 and heating refrigerant vapour switching valve 11 are opened, cryogenic fluid pump 7 and cooling water pump stop, the low-temperature water heating come from air-conditioning heating user enters in vaporizer 5 heat exchanger tube, the heat of condensation of the water as refrigerant steam produced by heat exchange pipe external surface flue gas high tension generator 1 heat dilute solution heats, temperature is sent to heating user after raising, concentrated solution after flue gas high tension generator 1 concentration enters to mix with the water as refrigerant after condensation in absorber 4 and becomes weak solution, it is sent to flue gas high tension generator 1 by solution pump 6 and carries out circulation again and heating. owing to being limited by the heating hot water leaving water temperature produced, solution temperature is higher, causes exhaust gas temperature also higher, affects whole system comprehensive utilization of energy rate, if heating hot water outlet temperature is when 60 DEG C, flue gas high tension generator exhaust gas temperature is at about 145 DEG C, and whole system comprehensive utilization of energy rate is typically in about 72%, particularly in cold winter, outdoor temperature is low, chimney just emits white cigarette, has both wasted the energy, again contaminated environment. one how is found effectively to reduce one of exhaust gas temperature, raising whole system comprehensive utilization of energy rate, unit operation simple flue gas type lithium bromide absorption cold (heat) water machine important topic consisting of research at present.
Utility model content
The purpose of this utility model is in that to overcome above-mentioned deficiency, it is provided that one effectively reduces exhaust gas temperature, improves whole system comprehensive utilization of energy rate, the simple flue gas type lithium bromide absorption cold of unit operation, Hot water units.
The purpose of this utility model is achieved in that a kind of heating high effective flue gas type lithium bromide absorption cold, Hot water units, including flue gas high tension generator, low pressure generator, condenser, vaporizer, absorber, cryogenic fluid heat exchanger and high-temperature solution heat exchanger, it is characterized in that: described unit adds flue gas heat-exchange unit, heating vaporizer, heating absorber, heating solution heat exchanger, heating cryogenic fluid pump and water circulating pump, flue gas heat-exchange unit is arranged on flue gas high tension generator smoke exhaust pipe, heating vaporizer and heating absorber are arranged in same cavity, and be placed on higher than vaporizer and absorber components position. setting up a road hot water line on hot water or cold water's inlet tube of unit, this road hot water enters in heating absorber heat exchanging pipe, and arranges heating hot water switching valve on this hot water line, and the water that this Lu Shuiyu enters vaporizer is in parallel. go out heating absorber hot water and access hot water or cold water's outlet of unit. the solution pump discharge pipe of unit is set up a road weak solution pipeline, this road weak solution enters heating absorber spray through the cooling of heating solution heat exchanger, and heating weak solution switching valve is set on this weak solution pipeline, in heating absorber, weak solution becomes the less weak solution of concentration after absorbing cryogenic coolant steam, enters absorber cylinder body bottom by height level difference through the intensification of heating solution heat exchanger. setting up a road cryogenic coolant water on the vaporizer liquid capsule of unit and supplement pipeline, this road water as refrigerant enters heating vaporizer liquid capsule as cryogenic coolant water moisturizing, heating cryogenic fluid pump is extracted cryogenic coolant water in heating vaporizer liquid capsule out spray and is arrived heating evaporator heat exchange tube-surface, absorption flows through heat-transfer pipe internal recycle hydro-thermal amount, it is vaporizated into cryogenic coolant steam, recirculated water temperature after releasing heat reduces, by water circulating pump, recirculated water squeezed into flue gas heat-exchange unit and flue gas high tension generator flue gas heat exchange out, circulating water temperature raises and continues heating cryogenic coolant water in entrance heating heat exchange pipe of evaporator, and flue gas heat recovered temperature discharges after reducing.
The beneficial effects of the utility model are:
This utility model by above-mentioned flow process, create one more less low-temperature receiver than smog discharge temperature, not only reclaimed the sensible heat of flue gas, also reclaimed the latent heat of steam in flue gas, made exhaust gas temperature be down to room temperature, whole system comprehensive utilization of energy rate is greatly improved. such as: produce heating hot water outlet temperature when about 60 DEG C, heating evaporation and heating absorber cavity internal pressure are at about 25mmHg, enter the circulating water temperature of flue gas heat-exchange unit at about 27 DEG C, the exhaust gas temperature of unit is reduced to less than 35 DEG C, compared with conventional fume hot-water type unit exhaust gas temperature 145 DEG C, the heat of condensation of steam in the sensible heat of many 110 DEG C of temperature difference of recovered flue gas and flue gas, in flue gas, steam accounting is more big, the heat of condensation reclaimed is more many, whole system comprehensive utilization of energy rate is more high, stop winter heating chimney simultaneously and emit the phenomenon of white cigarette, decrease the smoke evacuation thermal pollution to environment, protect environment. this utility model unit operation is simple.
Accompanying drawing explanation
Fig. 1 is conventional flue gas type lithium bromide absorption cold, Hot water units heat supply schematic flow sheet.
Fig. 2 this utility model heating high effective flue gas type lithium bromide absorption cold, Hot water units heat supply schematic flow sheet.
Accompanying drawing labelling:
Flue gas high tension generator 1
High-temperature solution heat exchanger 2
Cryogenic fluid heat exchanger 3
Absorber 4
Vaporizer 5
Solution pump 6
Cryogenic fluid pump 7
Condenser 8
Low pressure generator 9
Heating concentrated solution switching valve 10
Heating refrigerant vapour switching valve 11
Solution pump discharge pipe 12
Absorber cylinder body bottom 13
Vaporizer liquid capsule 14
Hot water or cold water's inlet tube 15
Hot water or cold water's outlet 16
Flue gas heat-exchange unit 18
Heating absorber 20
Heating heat exchanger 21
Heating cryogenic fluid pump 22
Heating weak solution switching valve 23
Cryogenic coolant water supplements pipeline 24
Heating hot water switching valve 25
Water circulating pump 26
Heating vaporizer 27
Heating vaporizer liquid capsule 28.
Detailed description of the invention
As shown in Figure 2, conventional flue gas type lithium bromide absorption cold, Hot water units such as Fig. 1 basis on, it is additionally arranged flue gas heat-exchange unit 18, heating vaporizer 27, heating absorber 20, heating solution heat exchanger 21, heating cryogenic fluid pump 22 and water circulating pump 26, flue gas heat-exchange unit 18 is arranged on flue gas high tension generator 1 smoke exhaust pipe, heating vaporizer 27 and heating absorber 20 are arranged in same cavity, and are placed on higher than vaporizer 5 and absorber 4 component locations. Setting up a road hot water line on hot water or cold water's inlet tube 15 of unit, this road hot water enters in heating absorber 20 heat exchanger tube, and arranges heating hot water switching valve 25 on this hot water line, and the water that this Lu Shuiyu enters vaporizer 5 is in parallel. Go out heating absorber 20 hot water and access hot water or cold water's outlet of unit. The solution pump discharge pipe 12 of unit is set up a road weak solution pipeline, this road weak solution enters heating absorber 20 through heating solution heat exchanger 21 cooling and sprays, and heating weak solution switching valve 23 is set on this weak solution pipeline, this road weak solution is in parallel with the weak solution entering flue gas high tension generator. In heating absorber 20, weak solution becomes the less weak solution of concentration after absorbing cryogenic coolant steam, enters absorber cylinder body bottom 13 by height level difference through heating solution heat exchanger 21 intensification. Setting up a road cryogenic coolant water on the vaporizer liquid capsule 14 of unit and supplement pipeline 24, this road water as refrigerant enters heating vaporizer liquid capsule 28 as cryogenic coolant water moisturizing; Heating cryogenic fluid pump 22 is extracted cryogenic coolant water in heating vaporizer liquid capsule 28 out spray and is arrived heating vaporizer 27 heat exchanger tube surface vaporization; Recirculated water is squeezed into and is entered heat release in heating vaporizer 27 heat exchanger tube after flue gas heat-exchange unit 18 heats up by water circulating pump 26, and flue gas heat recovered temperature discharges after reducing.
When heating operating mode is run, conventional heating circulation process is still properly functioning, cryogenic fluid pump 7 and cooling water pump stop, heating concentrated solution switching valve 10 and heating refrigerant vapour switching valve 11 are opened, solution pump 6 starts, and the heating weak solution newly established switching valve 23 and heating hot water switching valve 25 are opened, heating cryogenic fluid pump 22 and water circulating pump 26 start. Being divided into two tunnels from solution pump discharge weak solution, a road weak solution enters flue gas high tension generator 1 and concentrates, and another road weak solution enters heating absorber 20 through heating solution heat exchanger 21 cooling and sprays; the low-temperature water heating come from air-conditioning heating user is divided into two tunnels, one road low-temperature water heating enters in vaporizer 5 heat exchanger tube, the heat of condensation of the high temperature refrigerant vapour produced by heat exchange pipe external surface flue gas high tension generator 1 heat dilute solution heats, another road low-temperature water heating enters in heating absorber 20 heat exchanger tube, heated from heating vaporizer 27 cryogenic coolant steam liberated heat in the absorption of heat exchange pipe external surface weak solution by spray, two-way hot water temperature raises to merge together and is sent to heating user, concentrated solution after flue gas high tension generator 1 concentration enters to mix with the water as refrigerant overflowed after vaporizer 5 condensation in absorber 4 and becomes weak solution, in heating absorber 20, weak solution becomes the less weak solution of concentration after absorbing cryogenic coolant steam, enter absorber cylinder body bottom 13 by height level pressure reduction through heating solution heat exchanger 21 intensification to mix with weak solution in absorber 4, a wherein road weak solution is sent to flue gas high tension generator 1 and carries out circulation again and heating concentration by solution pump 6, another road weak solution is sent to entrance heating absorber 20 after heating solution heat exchanger 21 is lowered the temperature again circulate and absorb cryogenic coolant steam. cryogenic coolant water is extracted out and is sprayed in heating vaporizer 27 tube surface by heating cryogenic fluid pump 22, absorption flows through heat-transfer pipe internal recycle hydro-thermal amount and is vaporizated into cryogenic coolant steam, recirculated water temperature after releasing heat reduces, by water circulating pump 26, recirculated water squeezed into flue gas heat-exchange unit 18 and flue gas high tension generator 1 flue gas heat exchange out, circulating water temperature raises and continues heating cryogenic coolant water in entrance heating vaporizer 27 heat exchanger tube, and flue gas heat recovered temperature discharges after reducing. heating absorber 20 solution continuous absorption cryogenic coolant steam makes cavity internal pressure be maintained at certain value, and vaporization absorption process just constantly carries out. heating vaporizer 27 water as refrigerant moisturizing supplements pipe 24 from vaporizer liquid capsule 14 through cryogenic coolant water by the pressure differential between vaporizer 5 and heating vaporizer 27 cavity and enters heating vaporizer liquid capsule 28, constantly gives heating vaporizer 27 moisturizing.
When cooling condition runs, heating concentrated solution is switched valve 10, heating refrigerant vapour switching valve 11, heating weak solution switching valve 23, heating hot water switching valve 25 Close All, heating cryogenic fluid pump 22 and water circulating pump 26 stop, flue gas heat-exchange unit 18, heating vaporizer 27, heating absorber 20 and heating solution heat exchanger 21 stop circulation, and unit is still by conventional kind of refrigeration cycle process flow operation.
In above scheme, heating vaporizer 27 and heating absorber 20 housing can be independently arranged, heating vaporizer 27 and heating absorber 20 can also be arranged in low pressure generator 9 and condenser 8 housing, separate with dividing plate between them, heating vaporizer 27 and heating absorber 20 are in same cavity, and low pressure generator 9 and condenser 8 are in same cavity.
Above scheme is applicable to vaporizer 5, absorber 4 can be single hop (shown in figure), can also be two-stage nitration or multistage, and cooling water can be parallel-connection flow (shown in figure) can also be serial flow.
Claims (4)
1. a heating high effective flue gas type lithium bromide absorption cold, Hot water units, including flue gas high tension generator (1), low pressure generator (9), condenser (8), vaporizer (5), absorber (4), cryogenic fluid heat exchanger (3) and high-temperature solution heat exchanger (2), it is characterised in that: described unit adds flue gas heat-exchange unit (18), heating vaporizer (27), heating absorber (20), heating solution heat exchanger (21), heating cryogenic fluid pump (22) and water circulating pump (26), flue gas heat-exchange unit (18) is arranged on flue gas high tension generator (1) smoke exhaust pipe, heating vaporizer (27) and heating absorber (20) are arranged in same cavity, and it is placed on higher than vaporizer (5) and absorber (4) component locations, cold at unit, setting up a road hot water line on hot water inlet pipe (15), this road hot water enters in heating absorber (20) heat exchanger tube, and arranges heating hot water switching valve (25) on this hot water line, goes out heating absorber (20) hot water and accesses the cold of unit, hot water outlet, the solution pump discharge pipe (12) of unit is set up a road weak solution pipeline, this road weak solution enters heating absorber (20) spray through heating solution heat exchanger (21) cooling, and heating weak solution switching valve (23) is set on this weak solution pipeline, heating absorber (20) interior weak solution becomes the less weak solution of concentration after absorbing cryogenic coolant steam, absorber cylinder body bottom (13) is entered through heating solution heat exchanger (21) intensification by height level difference, vaporizer liquid capsule (14) of unit is set up a road cryogenic coolant water and supplements pipeline (24), this road water as refrigerant enters heating vaporizer liquid capsule (28) as cryogenic coolant water moisturizing, heating cryogenic fluid pump (22) is extracted interior for heating vaporizer liquid capsule (28) cryogenic coolant water out spray and is arrived heating vaporizer (27) heat exchanger tube surface vaporization, recirculated water is squeezed into after flue gas heat-exchange unit (18) heats up and is entered heat release in heating vaporizer (27) heat exchanger tube by water circulating pump (26).
2. a kind of heating high effective flue gas type lithium bromide absorption cold, Hot water units according to claim 1, it is characterized in that: described unit heating vaporizer (27) and heating absorber (20) housing are independently arranged, or heating vaporizer (27) and heating absorber (20) are arranged in low pressure generator (9) and condenser (8) housing, separate with dividing plate between them, heating vaporizer (27) and heating absorber (20) are arranged in same cavity, and low pressure generator (9) and condenser (8) are arranged in same cavity.
3. a kind of heating high effective flue gas type lithium bromide absorption cold, Hot water units according to claim 1 and 2, it is characterised in that: the vaporizer (5) of described unit and absorber (4) they are single hop, two sections or multistage.
4. a kind of heating high effective flue gas type lithium bromide absorption cold, Hot water units according to claim 1 and 2, it is characterised in that: the cooling water of described unit is parallel-connection flow or serial flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521092621.3U CN205279507U (en) | 2015-12-25 | 2015-12-25 | Cold, hot water unit of high -efficient flue gas type lithium bromide absorption formula of heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521092621.3U CN205279507U (en) | 2015-12-25 | 2015-12-25 | Cold, hot water unit of high -efficient flue gas type lithium bromide absorption formula of heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205279507U true CN205279507U (en) | 2016-06-01 |
Family
ID=56064083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521092621.3U Withdrawn - After Issue CN205279507U (en) | 2015-12-25 | 2015-12-25 | Cold, hot water unit of high -efficient flue gas type lithium bromide absorption formula of heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205279507U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423596A (en) * | 2015-12-25 | 2016-03-23 | 双良节能系统股份有限公司 | Heating efficient smoke type lithium bromide absorbing type cold and hot water unit |
| CN108362034A (en) * | 2018-04-09 | 2018-08-03 | 双良节能系统股份有限公司 | A kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold, Hot water units |
-
2015
- 2015-12-25 CN CN201521092621.3U patent/CN205279507U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423596A (en) * | 2015-12-25 | 2016-03-23 | 双良节能系统股份有限公司 | Heating efficient smoke type lithium bromide absorbing type cold and hot water unit |
| CN108362034A (en) * | 2018-04-09 | 2018-08-03 | 双良节能系统股份有限公司 | A kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold, Hot water units |
| CN108362034B (en) * | 2018-04-09 | 2024-03-08 | 双良节能系统股份有限公司 | Environment-friendly and efficient smoke type lithium bromide absorption type cold and hot water unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160601 Effective date of abandoning: 20170908 |