CN207795405U - A kind of internal combustion engine cogeneration and Organic Rankine Cycle coupled system - Google Patents
A kind of internal combustion engine cogeneration and Organic Rankine Cycle coupled system Download PDFInfo
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- CN207795405U CN207795405U CN201721885389.8U CN201721885389U CN207795405U CN 207795405 U CN207795405 U CN 207795405U CN 201721885389 U CN201721885389 U CN 201721885389U CN 207795405 U CN207795405 U CN 207795405U
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- heat
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- conversion equipment
- internal combustion
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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
Abstract
The utility model provides a kind of internal combustion engine cogeneration and Organic Rankine Cycle coupled system, including fuels and energy conversion equipment and the dynamic power device that is connect with fuels and energy conversion equipment；Further include forming the waste heat recovery heat-exchanger rig of heat exchange cycle with fuels and energy conversion equipment and forming the refrigeration and heat supply device and Organic Rankine Cycle power generator of heat exchange cycle with waste heat recovery heat-exchanger rig.The high temperature jacket water I of fuels and energy conversion equipment enters after waste heat recovery heat-exchanger rig exchanged heat, and becomes low temperature jacket water II and re-enters into fuels and energy conversion equipment, forms heat exchange cycle.The utility model patent optimizes internal combustion engine variable load operation performance, realizes that afterheat of IC engine efficiently utilizes, improves the efficiency of energy utilization of cogeneration cooling heating system.
Description
Technical field
The utility model is related to cogeneration technical fields, are imitated more specifically to a kind of raising cogeneration
The system of rate.
Background technology
The energy is the basis of national economy and social development, China's energy resources reserves wretched insufficiency per capita, main primary
The energy is seriously polluted based on coal.In terms of using energy source, China is in the stage changed from extensive style to intensive style,
Efficiency of energy utilization is still relatively low, improves the emphasis that efficiency of energy utilization is China's working energy.Oil-engine driven multiple-supplying
System is considered as efficiently utilizing the effective way of natural gas energy resource, wherein cooling-heating treatment system is a kind of representative
Land use systems are directly supplied to user hot and cold, electric by being built up near user or building.However, user is for cold and hot
Demand be typically it is unstable, and it is hot and cold be not easy to long term storage, long-distance transportation, so user with can demand it is continuous
Variation will cause the waste of unit variable parameter operation or internal combustion unit waste heat, the two that can lead to system energy utilization ratio
Decline.
Therefore, the waste heat for how comprehensively utilizing internal combustion unit avoids internal combustion engine variable load operation, while avoiding the wave of waste heat
Expense is those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
（One）Technical problems to be solved
In view of this, a kind of internal combustion engine cogeneration of the utility model offer and Organic Rankine Cycle coupled system,
It can realize the efficient utilization of afterheat of IC engine, and finally improve efficiency of energy utilization.
（Two）Technical solution
To achieve the above object, the utility model provides the following technical solutions：
A kind of internal combustion engine cogeneration and Organic Rankine Cycle coupled system, including fuels and energy conversion equipment 1 and with
The dynamic power device 2 that fuels and energy conversion equipment 1 connects；Further include forming heat exchange cycle with fuels and energy conversion equipment 1
Waste heat recovery heat-exchanger rig 3, and refrigeration and heat supply device 4 and organic Rankine with the formation heat exchange cycle of waste heat recovery heat-exchanger rig 3
Circulation electric generating apparatus 5.
I G of high temperature jacket water of the fuels and energy conversion equipment 11Waste heat recovery heat-exchanger rig 3 is entered to exchange heat
Afterwards, become II G of low temperature jacket water2Fuels and energy conversion equipment 1 is re-entered into, heat exchange cycle is formed.
I S of high-temperature flue gas of the fuels and energy conversion equipment release1After entering the heat exchange of waste heat recovery heat-exchanger rig 3, become
For II S of low-temperature flue gas2Discharge.
The high-temperature steam L formed from the high-temperature heating of waste heat recovery heat-exchanger rig 32It respectively enters refrigeration and heat supply device 4 and has
After machine Rankine cycle power generator 5, cool down as recirculated water L1It is again introduced into waste heat recovery heat-exchanger rig 3, forms heat exchange cycle.
The steam inlet pipeline of the refrigeration and heat supply device 4 is close to waste heat recovery heat-exchanger rig 3.
The fuels and energy conversion equipment 1 is internal combustion unit.
The waste heat recovery heat-exchanger rig 3 be heat exchanger, recycle fuels and energy conversion equipment smoke discharging residual heat and cylinder sleeve more than
Heat generates high-temperature steam L2。
The refrigeration and heat supply device 4 is steam-powered absorption heat pump.
（Three）Advantageous effect：
In operational process, the fuel stabilizations such as natural gas are passed through fuels and energy conversion equipment, it is made to run on declared working condition；It is dynamic
Power generation device generate electric energy preferentially supply user, when electric energy it is in large supply in user demand when, extra electric energy is incorporated to
Power grid；A part of waste heat supplies user by the h and c that utilizing waste heat for refrigeration heating plant generates, and designs so that its maximum supplies
It is cold to be always above customer charge with heating load, therefore the h and c that utilizing waste heat for refrigeration heating plant generates can meet user demand,
In actual motion, utilizing waste heat for refrigeration heating plant is determined with its heating and cooling amount according to user's hot-cool demand using excess heat；It is remaining
Part of waste heat is utilized by waste heat organic Rankine power generator, is converted into electric energy, and electric energy supplies user or is connected to the grid.This reality
Internal combustion engine variable load operation performance is optimized with new patent, realizes that afterheat of IC engine efficiently utilizes, improves cogeneration
The efficiency of energy utilization of system.
Description of the drawings
Fig. 1 is the structure chart of the utility model.
1- fuels and energy conversion equipments；2- dynamic power devices；3- waste heat recovery heat-exchanger rigs；4- refrigerating and heating combined equipments；
5- Organic Rankine Cycle power generator.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
A kind of internal combustion engine cogeneration of the utility model offer and Organic Rankine Cycle coupled system, including fuels and energy
Conversion equipment 1, dynamic power device 2, waste heat recovery heat-exchanger rig 3, refrigeration and heat supply device 4, Organic Rankine Cycle power generator
5。
Wherein, fuels and energy conversion equipment 1 selects internal combustion unit, for driving dynamic power device 2 to generate electricity, to supply electricity
Can, electric energy supplies user or is connected to the grid.Waste heat recovery heat-exchanger rig 3 is used to recycle the cylinder sleeve of fuels and energy conversion equipment 1
The heat of water and the heat of flue gas are 5 supplying high temperature steam L of refrigeration and heat supply device 4 and Organic Rankine Cycle power generator2。
Specifically, I G of high temperature jacket water of fuels and energy conversion equipment 11Enter the progress of waste heat recovery heat-exchanger rig 3
After heat exchange, become II G of low temperature jacket water2Fuels and energy conversion equipment 1 is re-entered into, fuels and energy conversion equipment 1 is formed
Heat exchange cycle between jacket water and waste heat recovery heat-exchanger rig 3.
And in above-mentioned 1 course of work of fuels and energy conversion equipment, waste heat, i.e. high-temperature flue gas S1 are will produce, in order to improve energy
The utilization rate of amount, I S of high-temperature flue gas that fuels and energy conversion equipment 1 discharges1After entering the heat exchange of waste heat recovery heat-exchanger rig 3, become
For II S of low-temperature flue gas2It is then exhausted from.
Connected by pipeline between waste heat recovery heat-exchanger rig 3 and refrigeration and heat supply device 4, Organic Rankine Cycle power generator 5
Heat exchange cycle is connect, recirculated water L is housed inside pipeline1, recirculated water L1Connect refrigeration and heat supply device 4, Organic Rankine Cycle power generator
5 water outlet, and recirculated water L1Waste heat recovery heat-exchanger rig 3 is entered by pipeline, heat absorption is evaporated to steam L2Waste heat is discharged to return
Receive heat-exchanger rig 3, high-temperature steam L2Refrigeration and heat supply device 4 and Organic Rankine Cycle power generation dress are had respectively entered by branch's branch
5 are set, refrigeration and heat supply device 4 is with steam L3Generate cold energy and thermal energy for driving, connect with user's Air-conditioning Cycle progress cooling or
Heat supply, Organic Rankine Cycle power generator 5 is with steam L4It is produced electricl energy for driving, refrigeration and heat supply device 4 and Organic Rankine Cycle
Recirculated water L after the cooling of power generator 51It is again introduced into waste heat recovery heat-exchanger rig 3, forms heat exchange cycle.
The steam inlet pipeline of refrigeration and heat supply device 4 is close to waste heat recovery heat-exchanger rig 3 so that steam L2Preferentially enter system
Cold heating plant 4 meets user's hot-cool demand, and extra steam enters Organic Rankine Cycle power generator 5 and generates electricity.
Switch can be set at the steam inlet of refrigeration and heat supply device 4 and Organic Rankine Cycle power generator 5, air inlet is carried out by switch
Whether setting.
Waste heat recovery heat-exchanger rig 3 is heat exchanger, recycles the smoke discharging residual heat and jacket water waste heat of fuels and energy conversion equipment
Generate high-temperature steam L2.Waste heat recovery heat-exchanger rig 3 can be achieved by the prior art, by a liquid-liquid heat exchanger and a gas-
Gas heat exchanger forms, and high temperature jacket water is by liquid-liquid heat exchanger to recirculated water L1First time heating is carried out, then high-temperature flue gas is logical
It crosses gas-to-gas heat exchanger and second of heating is carried out to recirculated water, form high-temperature steam L2。
Refrigeration and heat supply device 4 is steam-powered absorption heat pump, can be achieved by the prior art, such as integrated steam
Machine.
Above-described is only preferred embodiments of the present invention, it is noted that for those skilled in the art
For, under the premise of not departing from the utility model general idea, several changes and improvements can also be made, these should also be considered as
The scope of protection of the utility model.
Claims (8)
1. a kind of internal combustion engine cogeneration and Organic Rankine Cycle coupled system, it is characterised in that：
Including fuels and energy conversion equipment（1）With with fuels and energy conversion equipment（1）The dynamic power device of connection（2）；Also wrap
It includes and fuels and energy conversion equipment（1）Form the waste heat recovery heat-exchanger rig of heat exchange cycle（3）, and with waste heat recovery heat-exchanger rig
（3）Form the refrigeration and heat supply device of heat exchange cycle（4）With Organic Rankine Cycle power generator（5）.
2. a kind of internal combustion engine cogeneration according to claim 1 and Organic Rankine Cycle coupled system, feature exist
In：
The fuels and energy conversion equipment（1）High temperature jacket water I（G1）Enter waste heat recovery heat-exchanger rig（3）It exchanges heat
Afterwards, become low temperature jacket water II（G2）Re-enter into fuels and energy conversion equipment（1）, form heat exchange cycle.
3. a kind of internal combustion engine cogeneration according to claim 2 and Organic Rankine Cycle coupled system, feature exist
In：
The fuels and energy conversion equipment（1）The high-temperature flue gas I of release（S1）Enter waste heat recovery heat-exchanger rig（3）After heat exchange,
Become low-temperature flue gas II（S2）Discharge.
4. a kind of internal combustion engine cogeneration according to claim 1 and Organic Rankine Cycle coupled system, feature exist
In：
From waste heat recovery heat-exchanger rig（3）It is heated at high temperature the high-temperature steam formed（L2）Respectively enter refrigeration and heat supply device（4）And have
Machine Rankine cycle power generator（5）Afterwards, cool down as recirculated water（L1）It is again introduced into waste heat recovery heat-exchanger rig（3）, form heat exchange
Cycle.
5. a kind of internal combustion engine cogeneration according to claim 4 and Organic Rankine Cycle coupled system, feature exist
In：
The refrigeration and heat supply device（4）Steam inlet pipeline close to waste heat recovery heat-exchanger rig（3）.
6. a kind of internal combustion engine cogeneration according to claim 1 and Organic Rankine Cycle coupled system, feature exist
In：
The fuels and energy conversion equipment（1）For internal combustion unit.
7. a kind of internal combustion engine cogeneration according to claim 1 and Organic Rankine Cycle coupled system, feature exist
In：
The waste heat recovery heat-exchanger rig（3）For heat exchanger, fuels and energy conversion equipment is recycled（1）Smoke discharging residual heat and jacket water
Waste heat generates high-temperature steam L2。
8. a kind of internal combustion engine cogeneration according to claim 1 and Organic Rankine Cycle coupled system, feature exist
In：
The refrigeration and heat supply device（4）For steam-powered absorption heat pump.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721885389.8U CN207795405U (en) | 2017-12-28 | 2017-12-28 | A kind of internal combustion engine cogeneration and Organic Rankine Cycle coupled system |
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| CN201721885389.8U CN207795405U (en) | 2017-12-28 | 2017-12-28 | A kind of internal combustion engine cogeneration and Organic Rankine Cycle coupled system |
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| CN207795405U true CN207795405U (en) | 2018-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188688A (en) * | 2020-01-15 | 2020-05-22 | 西安交通大学 | Thermoelectric ratio adjusting method for distributed energy system of gas engine |
-
2017
- 2017-12-28 CN CN201721885389.8U patent/CN207795405U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188688A (en) * | 2020-01-15 | 2020-05-22 | 西安交通大学 | Thermoelectric ratio adjusting method for distributed energy system of gas engine |
| CN111188688B (en) * | 2020-01-15 | 2021-02-02 | 西安交通大学 | Thermoelectric ratio adjusting method for distributed energy system of gas engine |
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