CN204591523U - A kind of distributed triple-generation system - Google Patents
A kind of distributed triple-generation system Download PDFInfo
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- CN204591523U CN204591523U CN201420791060.5U CN201420791060U CN204591523U CN 204591523 U CN204591523 U CN 204591523U CN 201420791060 U CN201420791060 U CN 201420791060U CN 204591523 U CN204591523 U CN 204591523U
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- generator
- dehumidifying
- generation system
- heat pump
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model relates to supply of cooling, heating and electrical powers energy technology field, particularly relate to a kind of distributed triple-generation system, comprise: internal-combustion engine, generator, refrigeration mechanism, absorption type heat pump mechanism and desiccant body, the high-temperature hot of internal-combustion engine by pipeline communication to generator, for power electric generators is to power to external world, the waste gas residual heat of internal-combustion engine by pipeline communication to refrigeration mechanism, for refrigeration mechanism provides thermal source with cooling to external world, the jacket water of internal-combustion engine is communicated to described absorption type heat pump mechanism and described desiccant body respectively by pipeline, absorption type heat pump mechanism and desiccant body utilize the waste heat of jacket water to provide thermal source with heat supply and dehumidifying to external world.The utility model is utilized by refrigeration mechanism centering grade waste heat, by desiccant body and absorption type heat pump mechanism, low grade residual heat is utilized, the primary energy ratio of whole distributed triple-generation system is up to 73.4%, relative to traditional cooling heating and power generation system, whole energy rate is 28.6%.
Description
Technical field
The utility model relates to supply of cooling, heating and electrical powers energy technology field, particularly relates to a kind of distributed triple-generation system.
Background technique
Cooling heating and power generation system grows up on the basis of cogeneration, and being Main way and the form of distributed energy development, is also one of important directions of developing for energy technology of the second in the world.It is a kind of synthetic obstetric, energy consumption system be based upon on cascaded utilization of energy basis, be dispersed near user side, first primary energy is utilized to drive generator powered, by various waste heat utilization equipment, waste heat is recycled again, finally realize the more multi-functional target such as high-energy source utilization ratio, more lower energy cost, higher energy supply Security and better environmental-protecting performance.Visible, the advantage of supply of cooling, heating and electrical powers meets the general trend of current energy source, harmonious development, and therefore, receive increasing concern both at home and abroad, research deepens constantly.
Traditional cooling heating and power generation system generally realizes the recycling of energy by heat recovery.In the waste gas that waste heat is generally present in fuel combustion and jacket water, after primary energy drives motor to power, the waste heat in waste gas can directly reclaim in order to heat supply in the winter time, then can in order to drive Absorption Refrigerator with cooling in summer.In internal combustion engine working process, engine-cooling system by heating part the heat of conducting out take away in time, to ensure that motor is in the work of optimal temperature scope, jacket water is exactly carry out hydronic liquid in order to the inner member of combustion motor.Jacket water outlet temperature is not high, belongs to low-grade energy, but quantity is comparatively large, and the waste heat got rid of along with jacket water accounts for the 30%-40% of input fuel.Owing to not having enough cooling and heating loads, prior art often can not effectively utilize low grade residual heat, and the fractional energy savings of system is lower.
Model utility content
For solving the problem, the utility model provides a kind of distributed triple-generation system, it can be utilized by refrigeration mechanism centering grade waste heat, is utilized low grade residual heat by desiccant body and absorption type heat pump mechanism, improves the fractional energy savings of distributed triple-generation system.
The technological scheme that the utility model adopts is: a kind of distributed triple-generation system, comprise: internal-combustion engine, generator, refrigeration mechanism, absorption type heat pump mechanism and desiccant body, the high-temperature hot of described internal-combustion engine is by pipeline communication extremely described generator, for described power electric generators is to power to external world, the waste gas residual heat of described internal-combustion engine is by pipeline communication extremely described refrigeration mechanism, for described refrigeration mechanism provides thermal source with cooling to external world, the jacket water of described internal-combustion engine is communicated to described absorption type heat pump mechanism and described desiccant body respectively by pipeline, described absorption type heat pump mechanism and described desiccant body utilize the waste heat of jacket water to provide thermal source with heat supply and dehumidifying to external world.
Being improved to further technique scheme, described absorption type heat pump mechanism comprises connected by pipeline successively vaporizer, adsorber, condenser and heat pump generator, pipeline between described adsorber and described heat pump generator is provided with compression pump and first throttle valve, pipeline between described condenser and shown vaporizer is provided with second throttle, and the jacket water of described internal-combustion engine provides thermal source to described heat pump generator.
Being improved to further technique scheme, described desiccant body comprises dehumidifier and dehumidifying generator, and described dehumidifier and ambient air, described dehumidifying generator is communicated with outdoor air.
Being improved to further technique scheme, described desiccant body also comprises cooler, heater, heat exchanger, indoor fan and outdoor fan, the liquid port of described dehumidifier is connected with the liquid entering hole of the generator that dehumidifies with the liquid entering hole of cooler successively, the liquid entering hole of described dehumidifier is connected with the liquid port of described cooler, be connected with the liquid port of described heat exchanger with the generator that dehumidifies simultaneously, the liquid port of described dehumidifying generator is connected with the liquid entering hole of described heater, the liquid entering hole of described dehumidifying generator is connected with the liquid port of described heater, the suction port of described dehumidifier and dehumidifying generator is connected to indoor fan and outdoor fan.
Being improved to further technique scheme, is provided with dehumidifying recycle pump between the liquid port of described dehumidifier and the liquid entering hole of described cooler, is provided with generation recycle pump between the liquid port of described dehumidifying generator and the liquid entering hole of described heater.
Being improved to further technique scheme, the dehumidizer in described dehumidifier is LiBr solution, LiCl solution, CaCl2 solution, triethylene glycol or their mixed solution.
Being improved to further technique scheme, described refrigeration mechanism is lithium bromide refrigerator.
Distributed triple-generation system described in the utility model, beneficial effect is compared to existing technology:
The utility model is utilized the waste heat in waste gas by lithium bromide refrigerator, fractional energy savings can reach 14.7%, by desiccant body and absorption type heat pump mechanism, the low grade residual heat in jacket water is made full use of, fractional energy savings can reach 7.5% and 2.8% respectively, the primary energy ratio of whole distributed triple-generation system is up to 73.4%, relative to traditional cooling heating and power generation system, whole energy rate is 28.6%.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model embodiment distributed triple-generation system.
Fig. 2 is the schematic diagram of the utility model embodiment absorption type heat pump mechanism.
Fig. 3 is the schematic diagram of the utility model embodiment desiccant body.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
Embodiment:
As shown in Figure 1, it is the schematic diagram of the utility model embodiment distributed triple-generation system.Distributed triple-generation system, comprising: internal-combustion engine 110, generator 120, refrigeration mechanism 130, absorption type heat pump mechanism 140 and desiccant body 150.
The mixture of fuel and air enters internal-combustion engine 110 and burns wherein, high-temperature hot by pipeline communication to generator 120, for generator 120 provides power to power to external world.The waste gas residual heat of internal-combustion engine 110 by pipeline communication to refrigeration mechanism 130, for refrigeration mechanism 130 provides thermal source with cooling to external world, the jacket water of internal-combustion engine 110 is communicated to absorption type heat pump mechanism 140 and desiccant body 150 respectively by pipeline, and absorption type heat pump mechanism 140 and desiccant body 150 utilize the waste heat of jacket water to provide thermal source with heat supply and dehumidifying to external world.
Refrigeration mechanism 130 is lithium bromide refrigerator, and absorb warm waste gas residual heat in after internal-combustion engine 110 generating by lithium bromide refrigerator, carry out absorption refrigeration, improve energy utilization rate, fractional energy savings reaches 14.7%.
As shown in Figure 2, absorption type heat pump mechanism 140 comprises connected by pipeline successively vaporizer 141, adsorber 142, condenser 143 and heat pump generator 144, pipeline between adsorber 142 and heat pump generator 144 is provided with compression pump 145 and first throttle valve 146, pipeline between condenser 143 and shown vaporizer 141 is provided with second throttle 147, and the jacket water of internal-combustion engine 110 provides thermal source to heat pump generator 144.
Liquid refrigerants agent in vaporizer 141 absorbs the jacket water waste heat of internal-combustion engine 110, gasification is refrigerant steam, enter adsorber 142, refrigerant steam is absorbed by the concentrated solution absorbing agent in adsorber 142, and release heat and form dilute solution, dilute solution enters heat pump generator 144 by first throttle valve 146 under the effect of compression pump 145, heat pump generator 144 absorbs internal-combustion engine 110 jacket water waste heat, produce refrigerant steam again, form concentrated solution, absorbent regeneration.The refrigerant steam produced enters condenser 143 liquidation exothermic reaction, enters vaporizer 141, complete a circulation by second throttle 147.In the process, vaporizer 141 and heat pump generator 144 absorb the waste heat in jacket water, and by condenser 143 and adsorber 142 releases heat, with heat supply to external world, by utilizing the waste heat in jacket water, fractional energy savings can reach 2.8%, and the heat of whole system is better utilized, improve system total energy utilization ratio, there is good energy-saving effect.
As shown in Figure 3, desiccant body 150 comprises dehumidifier 151, dehumidifying generator 152, cooler 153, heater 154, heat exchanger 155, indoor fan 156 and outdoor fan 157.
The suction port of dehumidifier 151 is by indoor fan 156 and ambient air, and the suction port of dehumidifying generator 152 is communicated with outdoor air by outdoor fan 157.Containing dehumidizer in dehumidifier 151, dehumidizer is LiBr solution, LiCl solution, CaCl2 solution, triethylene glycol or their mixed solution.
The liquid port of dehumidifier 151 is connected with the liquid entering hole of the liquid entering hole of cooler 153 with the generator that dehumidifies, the liquid entering hole of dehumidifier 151 is connected with the liquid port of cooler 153, be connected with the liquid port of heat exchanger 155 with the generator 152 that dehumidifies successively simultaneously, the liquid port of dehumidifying generator 152 is connected with the liquid entering hole of heater 154, and the liquid entering hole of dehumidifying generator 152 is connected with the liquid port of heater 154.Be provided with the recycle pump 158 that dehumidifies between the liquid port of dehumidifier 151 and the liquid entering hole of cooler 153, be provided with between the liquid port of dehumidifying generator 152 and the liquid entering hole of heater 154 and recycle pump 159 occurs.
Under normal temperature condition, indoor air enters dehumidifier 151 under the effect of indoor fan 156, dehumidizer in dehumidifier 151 absorbs the water vapour in air, water vapour liquefaction and dehumidified dose take out of, due to the liquidation exothermic reaction of water vapour, the liquid outlet temperature of dehumidifier 151 raises, assimilation effect weakens, for ensureing that absorption is carried out, under the effect of dehumidifying recycle pump 158, the dehumidizer that temperature raises is pumped to cooler 153, and cools in cooler 153, and the dehumidizer that after cooling, temperature reduces returns dehumidifier 151 by the liquid port of cooler 153 again.
Simultaneously for keeping the concentration of dehumidizer, part dehumidizer enters dehumidifying generator 152 by the liquid port of dehumidifier 151 and carries out dehydration regeneration, in regenerative process, because dehumidizer temperature is inadequate, dehumidizer pumps into heater 154 and heats under the effect that recycle pump 159 occurs, the dehumidizer that temperature after heating raises returns dehumidifying generator 152 by the liquid port of heater 154 again, under the effect of outdoor fan 157, pass into air to dehumidifying generator 152 simultaneously, so the dehumidizer moisture in dehumidifying generator 152 is evaporated, concentration raises, dehumidifier 151 is entered with dehumidifying again by heat exchanger 155.
This dehumidification process drives dehumidifier 151 by the waste heat of jacket water, for heater 154 provides thermal source, to reach the effect dehumidified to indoor air, with alternative air conditioner refrigerating except humidity load, utilize waste heat by dehumidifying, fractional energy savings reaches 7.5%, and the heat of whole system is better utilized, improve system total energy utilization ratio, there is good energy-saving effect.
The above embodiment only have expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (6)
1. a distributed triple-generation system, it is characterized in that: comprising: internal-combustion engine, generator, refrigeration mechanism, absorption type heat pump mechanism and desiccant body, the high-temperature hot of described internal-combustion engine is by pipeline communication extremely described generator, for described power electric generators is to power to external world, the waste gas residual heat of described internal-combustion engine is by pipeline communication extremely described refrigeration mechanism, for described refrigeration mechanism provides thermal source with cooling to external world, the jacket water of described internal-combustion engine is communicated to described absorption type heat pump mechanism and described desiccant body respectively by pipeline, described absorption type heat pump mechanism and described desiccant body utilize the waste heat of jacket water to provide thermal source with heat supply and dehumidifying to external world.
2. a kind of distributed triple-generation system according to claim 1, it is characterized in that: described absorption type heat pump mechanism comprises connected by pipeline successively vaporizer, adsorber, condenser and heat pump generator, pipeline between described adsorber and described heat pump generator is provided with compression pump and first throttle valve, pipeline between described condenser and shown vaporizer is provided with second throttle, and the jacket water of described internal-combustion engine provides thermal source to described heat pump generator.
3. a kind of distributed triple-generation system according to claim 1, is characterized in that: described desiccant body comprises dehumidifier and dehumidifying generator, and described dehumidifier and ambient air, described dehumidifying generator is communicated with outdoor air.
4. a kind of distributed triple-generation system according to claim 3, it is characterized in that: described desiccant body also comprises cooler, heater, heat exchanger, indoor fan and outdoor fan, the liquid port of described dehumidifier is connected with the liquid entering hole of the liquid entering hole of cooler with the generator that dehumidifies, the liquid entering hole of described dehumidifier is connected with the liquid port of described cooler, be connected with the liquid port of described heat exchanger with the generator that dehumidifies simultaneously, the liquid port of described dehumidifying generator is connected with the liquid entering hole of described heater, the liquid entering hole of described dehumidifying generator is connected with the liquid port of described heater, the suction port of described dehumidifier and dehumidifying generator is connected to indoor fan and outdoor fan.
5. a kind of distributed triple-generation system according to claim 4, it is characterized in that: between the liquid port of described dehumidifier and the liquid entering hole of described cooler, be provided with dehumidifying recycle pump, between the liquid port of described dehumidifying generator and the liquid entering hole of described heater, be provided with generation recycle pump.
6. a kind of distributed triple-generation system according to claim 1, is characterized in that: described refrigeration mechanism is absorption lithium bromide refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420791060.5U CN204591523U (en) | 2014-12-16 | 2014-12-16 | A kind of distributed triple-generation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420791060.5U CN204591523U (en) | 2014-12-16 | 2014-12-16 | A kind of distributed triple-generation system |
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| CN204591523U true CN204591523U (en) | 2015-08-26 |
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| CN201420791060.5U Expired - Fee Related CN204591523U (en) | 2014-12-16 | 2014-12-16 | A kind of distributed triple-generation system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371372A (en) * | 2015-11-26 | 2016-03-02 | 东莞理工学院 | Dehumidifying system using low-grade industrial waste heat as heat source |
| CN109114689A (en) * | 2018-09-27 | 2019-01-01 | 奥克斯空调股份有限公司 | A kind of heat pump united air-conditioning system and air conditioner |
| CN114856723A (en) * | 2022-04-29 | 2022-08-05 | 集美大学 | Distributed energy supply method and system based on temperature and humidity independent control |
-
2014
- 2014-12-16 CN CN201420791060.5U patent/CN204591523U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371372A (en) * | 2015-11-26 | 2016-03-02 | 东莞理工学院 | Dehumidifying system using low-grade industrial waste heat as heat source |
| CN109114689A (en) * | 2018-09-27 | 2019-01-01 | 奥克斯空调股份有限公司 | A kind of heat pump united air-conditioning system and air conditioner |
| CN114856723A (en) * | 2022-04-29 | 2022-08-05 | 集美大学 | Distributed energy supply method and system based on temperature and humidity independent control |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20201216 |
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| CF01 | Termination of patent right due to non-payment of annual fee |