CN205783964U - Smoke discharging residual heat utilizes type cold/hot water machine of lithium bromide group - Google Patents
Smoke discharging residual heat utilizes type cold/hot water machine of lithium bromide group Download PDFInfo
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- CN205783964U CN205783964U CN201620444340.8U CN201620444340U CN205783964U CN 205783964 U CN205783964 U CN 205783964U CN 201620444340 U CN201620444340 U CN 201620444340U CN 205783964 U CN205783964 U CN 205783964U
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
This utility model belongs to air conditioner technical field, is specifically related to a kind of smoke discharging residual heat and utilizes type cold/hot water machine of lithium bromide group.Propose a kind of smoke discharging residual heat and utilize type cold/hot water machine of lithium bromide group, absorber is connected with condenser, absorber is connected with vaporizer, the weak solution pump for lithium bromide circulation it is provided with below absorber, the smoke evacuation outlet of high-temp regenerator has been arranged in series exhaust heat recovery device, weak solution delivery side of pump pipeline divides three tunnels, the first via connects low temperature heat exchanger, second tunnel connects cryogen and coagulates hydro-thermal retracting device, 3rd tunnel connects exhaust heat recovery device, the output pipe of low temperature heat exchanger, the output pipe of output pipe and exhaust heat recovery device that cryogen coagulates hydro-thermal retracting device connects formation and confluxes pipeline, the pipeline that confluxes connects high-temperature heat exchanger, high-temperature heat exchanger connects high-temp regenerator.The recyclable a large amount of fume afterheats of this utility model, improve energy utilization rate, reduce the smoke discharging residual heat thermal pollution to environment, it is achieved energy-saving and emission-reduction.
Description
Technical field
This utility model belongs to air conditioner technical field, is specifically related to a kind of smoke discharging residual heat and utilizes type cold/hot water machine of lithium bromide group.
Background technology
At present direct combustion type or flue gas type cold/hot water machine of lithium bromide group are as it is shown in figure 1, the pipeline being coagulated hydro-thermal retracting device 8, cryogenic fluid pump 9, weak solution pump 10 and concentrated solution pump 11, valve, control system and connecting components by absorber 1, vaporizer 2, condenser 3, low-temperature regenerator 4, high-temp regenerator 5, low temperature heat exchanger 6, high-temperature heat exchanger 7, cryogen is constituted.Unit is when cooling condition runs, lithium bromide weak solution in absorber 1 is coagulated temperature after hydro-thermal retracting device 8, low temperature heat exchanger 6, high-temperature heat exchanger 7 from solution pumping toward cryogen and is raised, enter back into high-temp regenerator 5, low-temperature regenerator 4 becomes lithium bromide concentrated solution, finally returns absorber 1.Unit temperature by high-temp regenerator in operation process restricts, and flue gas exit temperature is higher, exhaust gas temperature about 200 DEG C during direct combustion type refrigeration, exhaust gas temperature about 170 DEG C during heating；Exhaust gas temperature about 170 DEG C during flue gas type refrigeration, exhaust gas temperature about 140 DEG C during heating, fail to make full use of smoke discharging residual heat and carry out heating and refrigeration, smoke discharging residual heat can only discharge in vain, causes the waste of a large amount of fume afterheat, produces the thermal pollution of discharge simultaneously.Common directly heat transfer technology is used to be difficult to reclaim this part of waste heat, the most fully recycle direct combustion type and flue gas type cold/hot water machine of lithium bromide group smoke discharging residual heat, improve the heat exchange efficiency of unit, it is achieved the economic benefit of energy-saving and emission-reduction and social benefit, become one of important topic of research at present.
Summary of the invention
For solving problem above, this utility model provides a kind of smoke discharging residual heat to utilize type cold/hot water machine of lithium bromide group, by arranging exhaust heat recovery device and air preheater in high-temp regenerator smoke evacuation outlet, make the flue gas that high-temp regenerator discharges successively enter exhaust heat recovery device and air preheater, respectively with enter the weak solution heat exchange of exhaust heat recovery device from absorber and utilize the air heat-exchange of blower fan feeding air preheater.Realize effective utilization of direct combustion type or flue gas type cold/hot water machine of lithium bromide group smoke discharging residual heat, reduce the waste of fume afterheat, the temperature of the air required for raising direct fired lithium bromide absorption type chiller fuel combustion simultaneously, improve the heat exchange efficiency of unit, unit fuel consumption can be reduced, improve energy utilization rate, reduce the smoke discharging residual heat thermal pollution to environment, it is achieved the economic benefit of energy-saving and emission-reduction and social benefit.
This utility model be the technical scheme is that a kind of smoke discharging residual heat utilizes type cold/hot water machine of lithium bromide group for achieving the above object, absorber is connected with condenser, absorber is connected with vaporizer, the weak solution pump for lithium bromide circulation it is provided with below absorber, the smoke evacuation outlet of high-temp regenerator has been arranged in series exhaust heat recovery device, weak solution delivery side of pump pipeline divides three tunnels, the first via connects low temperature heat exchanger, second tunnel connects cryogen and coagulates hydro-thermal retracting device, 3rd tunnel connects exhaust heat recovery device, the output pipe of low temperature heat exchanger, the output pipe of output pipe and exhaust heat recovery device that cryogen coagulates hydro-thermal retracting device connects formation and confluxes pipeline, the pipeline that confluxes connects high-temperature heat exchanger, high-temperature heat exchanger connects high-temp regenerator.
The port of export of described exhaust heat recovery device connects air preheater, and air preheater is provided with smoke evacuation outlet, air preheater one end connecting fan, and the other end connects the thermal source of high-temp regenerator.
Described exhaust heat recovery device connects solution pipe arrangement T1, solution pipe arrangement T2 respectively.
It is provided with valve F5 on described solution pipe arrangement T1, solution pipe arrangement T2 is provided with valve F6.
The beneficial effects of the utility model are: by the basis of tradition direct fired lithium bromide absorption type chiller, it is arranged in series exhaust heat recovery device and air preheater in high-temp regenerator smoke evacuation outlet, the flue gas making high-temp regenerator discharge successively enters exhaust heat recovery device and air preheater, respectively with from absorber enter exhaust heat recovery device weak solution heat exchange and utilize blower fan feeding air preheater air heat-exchange, the flue-gas temperature about 200 DEG C of high-temp regenerator discharge under cooling condition, after exhaust heat recovery device, flue-gas temperature is reduced to about 75 DEG C, after air preheater, flue-gas temperature can be reduced to about 45 DEG C again, recyclable a large amount of fume afterheat, on the premise of not increasing fuel consumption, unit refrigerating capacity and capacity factor is made to improve；On the premise of identical refrigerating capacity, it is possible to decrease unit fuel consumption, to reduce the purpose of operating cost, improve energy utilization rate, reduce the smoke discharging residual heat thermal pollution to environment, it is achieved the economic benefit of energy-saving and emission-reduction and social benefit.
Accompanying drawing explanation
Fig. 1 is tradition direct fired lithium bromide absorption type chiller flow chart；
Fig. 2 is the cold/hot water machine of lithium bromide group structural representation that the smoke evacuation outlet of this utility model high-temp regenerator arranges exhaust heat recovery device；
Fig. 3 is the cold/hot water machine of lithium bromide group structural representation that the smoke evacuation outlet of this utility model high-temp regenerator is arranged in series exhaust heat recovery device and air preheater；
In figure: 1-absorber, 2-vaporizer, 3-condenser, 4-low-temperature regenerator, 5-high-temp regenerator, 6-low temperature heat exchanger, 7-high-temperature heat exchanger, 8-cryogen coagulates hydro-thermal retracting device, 9-cryogenic fluid pump, 10-weak solution pump, 11-concentrated solution pump, 12-exhaust heat recovery device, 13-air preheater, 14-blower fan, 15-driving heat source, 16-solution pipe arrangement T1, 17-solution pipe arrangement T2, 18-valve F1, 19-valve F2, 20-valve F3, 21-valve F4, 22-valve F5, 23-valve F6, a-discharges fume outlet, b-cooling water inlet, c-coolant outlet, d-cold (warm) water out, e-cold (warm) water inlet.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further illustrated:
Embodiment 1:
Smoke discharging residual heat as shown in Figure 2 utilizes type cold/hot water machine of lithium bromide group, coagulates hydro-thermal retracting device 8, cryogenic fluid pump 9, weak solution pump 10 and concentrated solution pump 11, exhaust heat recovery device 12, valve, control system and the pipeline of connecting components including absorber 1, vaporizer 2, condenser 3, low-temperature regenerator 4, high-temp regenerator 5, low temperature heat exchanger 6, high-temperature heat exchanger 7, cryogen.Absorber 1 is connected with condenser 3, absorber 1 is connected with vaporizer 2, the smoke evacuation outlet a of high-temp regenerator 5 has been arranged in series exhaust heat recovery device 12, the weak solution pump 10 for lithium bromide circulation it is provided with below absorber 1, the export pipeline of weak solution pump 10 divides three tunnels, the first via connects low temperature heat exchanger 6, second tunnel connects cryogen and coagulates hydro-thermal retracting device 8, 3rd tunnel connects exhaust heat recovery device 12, the output pipe of low temperature heat exchanger 6, the output pipe of output pipe and exhaust heat recovery device 12 that cryogen coagulates hydro-thermal retracting device 8 connects formation and confluxes pipeline, the pipeline that confluxes connects high-temperature heat exchanger 7, high-temperature heat exchanger 7 connects high-temp regenerator 5.
Connect and be provided with valve F5 22 on the solution pipe arrangement T1 16 of exhaust heat recovery device 12, connect and be provided with valve F6 23 on the solution pipe arrangement T2 17 of exhaust heat recovery device 12, when exhaust heat recovery device 12 blocks, can overhaul by closing valve F5 22 and valve F6 23.This unit is applicable to direct fired lithium bromide absorption type chiller or flue gas type cold/hot water machine of lithium bromide group.
Wherein absorber 1, low temperature heat exchanger 6, high-temperature heat exchanger 7, cryogen coagulates hydro-thermal retracting device 8, low-temperature regenerator 4, high-temp regenerator 5, exhaust heat recovery device 12 forms lithium-bromide solution circulation, i.e. it is sent to 3 tunnels from absorber 1 lithium bromide weak solution out respectively by weak solution pump 10, the first via is sent into cryogen and is coagulated hydro-thermal retracting device 8, low temperature heat exchanger 6 is sent on second tunnel, exhaust heat recovery device 12 is sent on 3rd tunnel, three tunnel weak solutions are through low temperature heat exchanger 6, high-temperature heat exchanger 7 is entered after cryogen coagulates hydro-thermal retracting device 8 and exhaust heat recovery device 12 confluxes, subsequently into high-temp regenerator 5, in high-temp regenerator 5, weak solution is heated, it is condensed into intermediate concentration solution；Intermediate concentration solution, through high-temperature heat exchanger 7, enters low-temperature regenerator 4, is heated by the refrigerant vapour produced in high-temp regenerator 5, becomes concentrated solution；Concentrated solution temperature after low temperature heat exchanger 6 reduces, and eventually passes back to absorber 1.
As in figure 2 it is shown, when cooling condition runs, close valve F1 18, valve F2 19, valve F3 20, valve F4
21, open valve F5 22, valve F6 23.Lithium bromide weak solution in absorber 1, be sent to low temperature heat exchanger 6 respectively by weak solution pump 10, cryogen coagulates hydro-thermal retracting device 8, exhaust heat recovery device 12, after entering high-temperature heat exchanger 7 after solution interflow, temperature raises, subsequently into high-temp regenerator 5, in high-temp regenerator 5, weak solution is heated, and is condensed into intermediate concentration solution；Intermediate concentration solution, through high-temperature heat exchanger 7, enters low-temperature regenerator 4, is heated by the refrigerant vapour produced in high-temp regenerator 5, becomes concentrated solution；Concentrated solution reduces through low temperature heat exchanger 6, temperature, eventually passes back to absorber 1.The flue gas of the weak solution and high-temp regenerator 5 discharge that wherein enter exhaust heat recovery device 12 from absorber 1 carries out heat exchange, recyclable a large amount of fume afterheats.
As in figure 2 it is shown, when heating operating mode is run, close valve F4 21, open valve F1 18, valve F2 19, valve F3
20, valve F5 22, valve F6 23.Dilute absorbing liquid is heated concentration by high-temp regenerator 5, produces refrigerant vapour, and this refrigerant vapour is sent directly to absorber 1 and vaporizer 2, carries out heat exchange, produce warm water in vaporizer 2.The absorbing liquid of the intermediate concentration being concentrated enters absorber 1, mix thinning with cold Ji water, become dilute absorbing liquid, then respectively enter low temperature heat exchanger 6, cryogen coagulates hydro-thermal retracting device 8, exhaust heat recovery device 12, solution enters high-temperature heat exchanger 7 after interflow, eventually passes back to high-temp regenerator 5.
Embodiment 2:
Smoke discharging residual heat in the present embodiment utilizes essentially identical with embodiment 1 of type cold/hot water machine of lithium bromide group composition structure, and difference is, the port of export of exhaust heat recovery device 12 is also associated with air preheater 13.As it is shown on figure 3, the port of export of exhaust heat recovery device 12 connects air preheater 13, air preheater 13 being provided with smoke evacuation outlet a, air preheater 13 one end connecting fan 14, the other end connects the driving heat source 15 of high-temp regenerator 5.The air entering air preheater 13 and blower fan 14 feeding after lithium bromide weak solution heat exchange in the flue gas of direct combustion type high-temp regenerator 5 discharge and exhaust heat recovery device 12 carries out heat exchange again, and then the smoke evacuation through air preheater 13 exports a discharge.
Claims (4)
- null1. smoke discharging residual heat utilizes type cold/hot water machine of lithium bromide group，Absorber (1) is connected with condenser (3)，Absorber (1) is connected with vaporizer (2)，Absorber (1) lower section is provided with the weak solution pump (10) for lithium bromide circulation，It is characterized in that: the smoke evacuation outlet of high-temp regenerator (5) has been arranged in series exhaust heat recovery device (12)，The export pipeline of weak solution pump (10) divides three tunnels，The first via connects low temperature heat exchanger (6)，Second tunnel connects cryogen and coagulates hydro-thermal retracting device (8)，3rd tunnel connects exhaust heat recovery device (12)，The output pipe of low temperature heat exchanger (6)、The output pipe of output pipe and exhaust heat recovery device (12) that cryogen coagulates hydro-thermal retracting device (8) connects formation and confluxes pipeline，The pipeline that confluxes connects high-temperature heat exchanger (7)，High-temperature heat exchanger (7) connects high-temp regenerator (5).
- Smoke discharging residual heat the most according to claim 1 utilizes type cold/hot water machine of lithium bromide group, it is characterized in that: the port of export of exhaust heat recovery device (12) connects air preheater (13), smoke evacuation outlet (a) it is provided with on air preheater (13), air preheater (13) one end connecting fan (14), the other end connects the driving heat source (15) of high-temp regenerator (5).
- Smoke discharging residual heat the most according to claim 1 and 2 utilizes type cold/hot water machine of lithium bromide group, it is characterised in that: described exhaust heat recovery device (12) connects solution pipe arrangement T1(16 respectively), solution pipe arrangement T2(17).
- Smoke discharging residual heat the most according to claim 3 utilizes type cold/hot water machine of lithium bromide group, it is characterised in that: be provided with valve F5(22 on described solution pipe arrangement T1(16)), solution pipe arrangement T2(17) on be provided with valve F6(23).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620444340.8U CN205783964U (en) | 2016-05-17 | 2016-05-17 | Smoke discharging residual heat utilizes type cold/hot water machine of lithium bromide group |
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| CN201620444340.8U CN205783964U (en) | 2016-05-17 | 2016-05-17 | Smoke discharging residual heat utilizes type cold/hot water machine of lithium bromide group |
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| CN205783964U true CN205783964U (en) | 2016-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156733A (en) * | 2020-01-15 | 2020-05-15 | 东北电力大学 | Biomass flue gas waste heat total heat recovery type absorption-compression coupling heat pump system |
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2016
- 2016-05-17 CN CN201620444340.8U patent/CN205783964U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156733A (en) * | 2020-01-15 | 2020-05-15 | 东北电力大学 | Biomass flue gas waste heat total heat recovery type absorption-compression coupling heat pump system |
| CN111156733B (en) * | 2020-01-15 | 2022-11-08 | 东北电力大学 | Biomass flue gas waste heat total heat recovery type absorption-compression coupling heat pump system |
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