CN205936722U - Waste heat multistage utilization's distributed energy power generation system - Google Patents
Waste heat multistage utilization's distributed energy power generation system Download PDFInfo
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- CN205936722U CN205936722U CN201620785227.6U CN201620785227U CN205936722U CN 205936722 U CN205936722 U CN 205936722U CN 201620785227 U CN201620785227 U CN 201620785227U CN 205936722 U CN205936722 U CN 205936722U
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Abstract
The utility model relates to a waste heat multistage utilization's distributed energy power generation system. It is higher that there is the gas price in distributed energy system, and the efficiency of waste heat utilization system is lower. The utility model discloses a distributing type energy power generation system includes gas combustion engine generating set, exhaust -heat boiler and steam type lithium bromide unit, and its characteristics are: still include multistage organic rankine cycle system, multistage organic rankine cycle system includes the regenerator no. One, an evaporimeter, no. Two regenerators, the pre -heater, no. Three expanders, no. Three condensers and steam hot water type heat exchanger, a working medium pump, a regenerator, an evaporimeter and an expander connect gradually, an expander and a regenerator are connected, no. Two working medium pumps, no. Two regenerators, the pre -heater, no. Two evaporimeters, no. Two expanders and no. Two condensers connect gradually, no. Three regenerators, no. Three evaporimeters, no. Three expanders and no. Three condensers connect gradually. The utility model has the advantages of reasonable structure design, the thermal efficiency is high.
Description
Technical field
This utility model is related to a kind of distributed energy electricity generation system of waste heat Multi-class propagation, belongs to energy utilization technology neck
Domain.
Background technology
Distributed energy is a kind of energy supply mode building user side in, can independent operating, also can be incorporated into the power networks, be with
Resource, environmental benefit maximize determination mode and the system of capacity, according to user's various energy resources demand, and status of resource allocation
Carry out system combination optimization, tackle the novel energy system of formula design and modular arrangements using demand, be to supply with respect to concentrating
The distributing energy-provision way of energy.
Distributed energy have efficiently, energy-saving and environmental protection the features such as, promote low-carbon (LC) row purpose.Distributed energy receives
More and more widely pay close attention to.Distributed energy resource system there is also some problems, the related country of the current Distribution of Natural formula energy
Policy is simultaneously uncertain, and gas price is higher, and the efficiency of bootstrap system does not have advantage, this compared with gas fired-boiler
In the case of can effectively using distributed energy resource system finish work(waste heat improve distributed energy efficiency be distributed energy
The key of source development.Now the distributed energy of some other structures is also had to utilize system, such as publication date is 2013 07 month 24
Day, in the Chinese patent of Publication No. CN203081665U, a kind of disclosed distributed multi-stage solar heat power generation system, and for example
Publication date is on 01 16th, 2013, in the Chinese patent of Publication No. CN102878035A, a kind of disclosed multi-level solar
Generate electricity and polygenerations systeme with other energy complementary thermal, these distributed energies utilize the thermal efficiency of system also not high.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency present in prior art, and provides a kind of structure design to close
Reason, the distributed energy electricity generation system of the high waste heat Multi-class propagation of the thermal efficiency.
The technical scheme in the invention for solving the above technical problem is：The distributed energy of this waste heat Multi-class propagation is sent out
Electric system includes gas internal-combustion engine generating set, waste heat boiler and steam type lithium bromide chiller, described gas internal-combustion engine electromotor
Group, waste heat boiler and steam type lithium bromide chiller are sequentially connected, and its construction features is：Also include multistage organic Rankine bottoming cycle system
System, described multistage organic rankine cycle system include a working medium pump, regenerator, vaporizer, decompressor, one
Number condenser, No. two working medium pumps, No. two regenerators, preheater, No. two vaporizers, No. two decompressors, No. two condensers, No. three works
Matter pump, No. three regenerators, No. three vaporizers, No. three decompressors, No. three condensers and steam and hot water type heat exchanger, a described work
Matter pump, a regenerator, a vaporizer and a decompressor are sequentially connected, and a described decompressor and a regenerator are even
Connect, a described condenser and a regenerator connect, and a described vaporizer and gas internal-combustion engine generating set connect, described
No. two working medium pumps, No. two regenerators, preheater, No. two vaporizers, No. two decompressors and No. two condensers are sequentially connected, described steaming
Vapour type lithium bromide chiller and a vaporizer are all connected with No. two vaporizers, described No. three working medium pumps, No. three regenerators, No. three steamings
Send out device, No. three decompressors and No. three condensers to be sequentially connected, described waste heat boiler, steam and hot water type heat exchanger and No. three vaporizers
It is sequentially connected.
Preferably, No. three vaporizers described in the utility model and gas internal-combustion engine generating set connect.
The distributed energy generating side that a kind of distributed energy electricity generation system using described waste heat Multi-class propagation is carried out
Method, its feature is：The step of described distributed energy electricity-generating method is as follows：
Described gas internal-combustion engine generating set is generated electricity with natural gas for fuel driven engine, and the flue gas of discharge initially enters
Waste heat boiler produces steam drive steam type lithium bromide chiller, and winter heats, cooling in summer；
Cycle fluid in one-level organic Rankine bottoming cycle enters a regenerator heating after a working medium pump pressurizes, so
Enter a vaporizer afterwards and gasify as driving a decompressor to generate electricity after steam, the cigarette that gas internal-combustion engine generating set is discharged simultaneously
Gas enters, as the thermal source of a vaporizer, exhaust steam, the generating that a condenser completes one-level organic Rankine bottoming cycle；
Cycle fluid in two grades of organic Rankine bottoming cycle enters No. two regenerator heating after No. two working medium pumps pressurize, so
Enter No. two vaporizers after entering preheater afterwards and gasify as driving No. two decompressors to generate electricity after steam, a vaporizer conduct simultaneously
The thermal source of No. two vaporizers, exhaust steam enters the generating that No. two condensers complete two grades of organic Rankine bottoming cycle；
Cycle fluid in three-level organic Rankine bottoming cycle enters No. three regenerator heating after No. three working medium pumps pressurize, so
Enter No. three vaporizers afterwards and gasify as driving No. three decompressors to generate electricity after steam, the steam that waste heat boiler produces simultaneously passes through steam
As the thermal source of No. three vaporizers, exhaust steam enters No. three condensers and completes sending out of three-level organic Rankine bottoming cycle hot water type heat exchanger
Electricity.
Preferably, the distributed energy electricity generation system of waste heat Multi-class propagation described in the utility model to have three-level organic bright
Agree circulation, the thermal source of three-level organic Rankine bottoming cycle is respectively flue gas, steam and water.
Preferably, this utility model organic working medium should be dry working medium.
Preferably, the temperature that this utility model gas internal-combustion engine generating set is discharged is 410 DEG C of flue gases through waste heat pot
Furnace rear temperature is reduced to 130 DEG C, as a road thermal source of organic working medium；Temperature is that 89 DEG C of jacket water cooling waters pass through and steam heat-exchanging
After be changed into 130 DEG C, as the thermal source of second level organic Rankine bottoming cycle；The vapor (steam) temperature of steam type lithium bromide chiller outlet is taken the photograph for 50
The hot water of family name's degree thermal source as third level organic Rankine bottoming cycle after flue gas.
Preferably, this utility model one-level organic Rankine bottoming cycle, two grades of organic Rankine bottoming cycle and three-level organic Rankine follow
Ring is all with R245fa as cycle fluid.
This utility model compared with prior art, has advantages below and effect：Fuel with natural gas as internal combustion engine, has
The advantage of discharge cleaning, bootstrap system adopts waste heat boiler and steam type lithium bromide chiller, is simultaneously introduced three-level organic bright
Agree circulation, the temperature that gas internal-combustion engine is discharged is reduced to 130 DEG C, as organic work for 410 DEG C of flue gas temperature after waste heat boiler
Zhi mono- road thermal source, temperature be 89 DEG C of jacket water cooling waters through with steam heat-exchanging after be changed into 130 DEG C, organic bright as the second level
Agree the thermal source of circulation, the vapor (steam) temperature of steam type lithium bromide chiller outlet be 50 DEG C of hot water after flue gas as the 3rd
The thermal source of level organic Rankine bottoming cycle.Advantage of the present utility model is three kinds of organic Rankine bottoming cycle to introduce distributed energy system
System, can improve net power output, the fuel consumption of reduction gas internal-combustion engine, improve the thermal efficiency of distributed energy resource system.
Brief description
Fig. 1 is the structural representation of the distributed energy electricity generation system of waste heat Multi-class propagation in this utility model embodiment.
In figure：1- gas internal-combustion engine generating set；2- waste heat boiler；3- steam type lithium bromide chiller；Number working medium pump of 4-；
Number regenerator of 5-；Number vaporizer of 6-；Number decompressor of 7-；Number condenser of 8-；No. bis- working medium pumps of 9-；No. bis- backheats of 10-
Device；11- preheater；No. bis- vaporizers of 12-；No. bis- decompressors of 13-；No. bis- condensers of 14-；No. tri- working medium pumps of 15-；16- tri-
Regenerator；No. tri- vaporizers of 17-；No. tri- decompressors of 18-；No. tri- condensers of 19-；20- steam and hot water type heat exchanger.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following examples are right
Of the present utility model explain and this utility model is not limited to following examples.
Embodiment.
Referring to Fig. 1, in the present embodiment, the distributed energy electricity generation system of waste heat Multi-class propagation includes gas internal-combustion engine generating
Unit 1, waste heat boiler 2, steam type lithium bromide chiller 3 and multistage organic rankine cycle system.
Gas internal-combustion engine generating set 1 in the present embodiment, waste heat boiler 2 and steam type lithium bromide chiller 3 are sequentially connected,
Multistage organic rankine cycle system includes 4, regenerator of a working medium pump, 6, decompressor of 5, vaporizer 7,
Condenser 9, No. two regenerators 10 of 8, No. two working medium pumps, 13, No. two condensations of preheater 12, No. two decompressors of 11, No. two vaporizers
16, No. three vaporizers of 15, No. three regenerators of 14, No. three working medium pumps of device 17, No. three decompressors 18, No. three condensers 19 and steam heats
Water type heat exchanger 20, a working medium pump 5, vaporizer 6 of 4, regenerator and a decompressor 7 are sequentially connected, and No. one swollen
Swollen machine 7 and a regenerator 5 connect, and a condenser 8 and a regenerator 5 connect, and a vaporizer 6 and gas internal-combustion engine are sent out
Group of motors 1 connects, 9, No. two regenerators 10 of No. two working medium pumps, preheater 12, No. two decompressors 13 of 11, No. two vaporizers and No. two
Condenser 14 is sequentially connected, and steam type lithium bromide chiller 3 and a vaporizer 6 are all connected with No. two vaporizers 12, No. three working medium
15, No. three regenerators of pump, 17, No. three decompressors 18 of 16, No. three vaporizers and No. three condensers 19 are sequentially connected, waste heat boiler 2,
Steam and hot water type heat exchanger 20 and No. three vaporizers 17 are sequentially connected.
No. three vaporizers 17 in the present embodiment and gas internal-combustion engine generating set 1 connect.The exhaust steam of expander outlet is entered
Should there is regenerator before entering condenser.
The distributed energy generating side being carried out using the distributed energy electricity generation system of waste heat Multi-class propagation in the present embodiment
The step of method is as follows.
Gas internal-combustion engine generating set 1 is generated electricity with natural gas for fuel driven engine, and the flue gas of discharge initially enters remaining
Heat boiler 2 produces steam drive steam type lithium bromide chiller 3, and winter heats, cooling in summer.
Cycle fluid in one-level organic Rankine bottoming cycle enters a regenerator 5 after a working medium pump 4 pressurizes and heats,
Gasify as driving a decompressor 7 to generate electricity after steam subsequently into a vaporizer 6, gas internal-combustion engine generating set 1 row simultaneously
The flue gas going out enters, as the thermal source of a vaporizer 6, exhaust steam, the generating that a condenser 8 completes one-level organic Rankine bottoming cycle.
Cycle fluid in two grades of organic Rankine bottoming cycle enters No. two regenerators 10 after No. two working medium pumps 9 pressurize and adds
Heat, gasifies as driving No. two decompressors 13 to generate electricity after steam subsequently into entering No. two vaporizers 12 after preheater 11, and simultaneously one
, as the thermal source of No. two vaporizers 12, exhaust steam enters No. two condensers 14 and completes sending out of two grades of organic Rankine bottoming cycle for number vaporizer 6
Electricity.
Cycle fluid in three-level organic Rankine bottoming cycle enters No. three regenerators 16 after No. three working medium pumps 15 pressurize and adds
Heat, gasifies as driving No. three decompressors 18 to generate electricity after steam subsequently into No. three vaporizers 17, the steaming that waste heat boiler 2 produces simultaneously
Vapour by steam and hot water type heat exchanger 20 as No. three vaporizers 17 thermal source, exhaust steam enters No. three condensers 19 and completes three-level and have
The generating of machine Rankine cycle.
In the present embodiment, the distributed energy electricity generation system of waste heat Multi-class propagation has three-level organic Rankine bottoming cycle, and three-level has
The thermal source of machine Rankine cycle is respectively flue gas, steam and water.Organic working medium should be dry working medium.One-level organic Rankine bottoming cycle, two grades
Organic Rankine bottoming cycle and three-level organic Rankine bottoming cycle are all with R245fa as cycle fluid.
The temperature that gas internal-combustion engine generating set 1 in the present embodiment is discharged is 410 DEG C of flue gases temperature after waste heat boiler 2
Degree is reduced to 130 DEG C, as a road thermal source of organic working medium；Temperature be 89 DEG C of jacket water cooling waters through with steam heat-exchanging after be changed into
130 DEG C, as the thermal source of second level organic Rankine bottoming cycle；The vapor (steam) temperature of steam type lithium bromide chiller 3 outlet is 50 degrees Celsius
Hot water after flue gas the thermal source as third level organic Rankine bottoming cycle.
Furthermore, it is necessary to explanation, the specific embodiment described in this specification, the shape of its parts and components, it is named
Title etc. can be different, and the above content described in this specification is only to this utility model structure example explanation.
Equivalence changes or simple change that construction described in all foundation this utility model inventional idea, feature and principle are done, all wrap
Include in the protection domain of this utility model patent.This utility model person of ordinary skill in the field can be to described
Specific embodiment is made various modifications or supplements or substituted using similar mode, without departing from knot of the present utility model
Structure or surmount scope defined in the claims, all should belong to protection domain of the present utility model.
Claims (2)
1. a kind of distributed energy electricity generation system of waste heat Multi-class propagation, including gas internal-combustion engine generating set（1）, waste heat boiler
（2）With steam type lithium bromide chiller（3）, described gas internal-combustion engine generating set（1）, waste heat boiler（2）With steam type lithium bromide
Unit（3）Be sequentially connected it is characterised in that：Also include multistage organic rankine cycle system, described multistage organic Rankine bottoming cycle system
System includes a working medium pump（4）, a regenerator（5）, a vaporizer（6）, a decompressor（7）, a condenser（8）、
No. two working medium pumps（9）, No. two regenerators（10）, preheater（11）, No. two vaporizers（12）, No. two decompressors（13）, No. two cold
Condenser（14）, No. three working medium pumps（15）, No. three regenerators（16）, No. three vaporizers（17）, No. three decompressors（18）, No. three condensations
Device（19）With steam and hot water type heat exchanger（20）, a described working medium pump（4）, a regenerator（5）, a vaporizer（6）With
A number decompressor（7）It is sequentially connected, a described decompressor（7）With a regenerator（5）Connect, a described condenser（8）
With a regenerator（5）Connect, a described vaporizer（6）With gas internal-combustion engine generating set（1）Connect, described No. two working medium
Pump（9）, No. two regenerators（10）, preheater（11）, No. two vaporizers（12）, No. two decompressors（13）With No. two condensers（14）
It is sequentially connected, described steam type lithium bromide chiller（3）With a vaporizer（6）All with No. two vaporizers（12）Connect, described three
Number working medium pump（15）, No. three regenerators（16）, No. three vaporizers（17）, No. three decompressors（18）With No. three condensers（19）Successively
Connect, described waste heat boiler（2）, steam and hot water type heat exchanger（20）With No. three vaporizers（17）It is sequentially connected.
2. waste heat Multi-class propagation according to claim 1 distributed energy electricity generation system it is characterised in that：Described No. three
Vaporizer（17）With gas internal-combustion engine generating set（1）Connect.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620785227.6U CN205936722U (en) | 2016-07-25 | 2016-07-25 | Waste heat multistage utilization's distributed energy power generation system |
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| CN201620785227.6U CN205936722U (en) | 2016-07-25 | 2016-07-25 | Waste heat multistage utilization's distributed energy power generation system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089344A (en) * | 2016-07-25 | 2016-11-09 | 华电电力科学研究院 | The distributed energy electricity generation system of a kind of waste heat Multi-class propagation and method |
| CN107741006A (en) * | 2017-11-21 | 2018-02-27 | 宁波和盛达能源科技有限公司 | A kind of combustion gas distributed busbar protection |
| CN108019245A (en) * | 2016-12-15 | 2018-05-11 | 李华玉 | Combined cycle power set |
-
2016
- 2016-07-25 CN CN201620785227.6U patent/CN205936722U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089344A (en) * | 2016-07-25 | 2016-11-09 | 华电电力科学研究院 | The distributed energy electricity generation system of a kind of waste heat Multi-class propagation and method |
| CN108019245A (en) * | 2016-12-15 | 2018-05-11 | 李华玉 | Combined cycle power set |
| CN108019245B (en) * | 2016-12-15 | 2020-05-29 | 李华玉 | Multiple combined cycle power plant |
| CN107741006A (en) * | 2017-11-21 | 2018-02-27 | 宁波和盛达能源科技有限公司 | A kind of combustion gas distributed busbar protection |
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