CN207935007U - A kind of tandem natural gas power unit residual neat recovering system - Google Patents
A kind of tandem natural gas power unit residual neat recovering system Download PDFInfo
- Publication number
- CN207935007U CN207935007U CN201820111683.1U CN201820111683U CN207935007U CN 207935007 U CN207935007 U CN 207935007U CN 201820111683 U CN201820111683 U CN 201820111683U CN 207935007 U CN207935007 U CN 207935007U
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- China
- Prior art keywords
- natural gas
- engine
- cooling passage
- coolant
- flue gas
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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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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of tandem natural gas power unit residual neat recovering system, including generator, natural gas engine, flue gas heat-exchange unit, plate heat exchanger and coolant recirculation pump, natural gas engine has the engine coolant cylinder sleeve of interior logical coolant liquid, there is flue gas heat-exchange unit exhaust gases passes and the first cooling passage, plate heat exchanger to have the outer circulation aquaporin of the second cooling passage and Nei Tong outer circulation water；Generator is connected with natural gas engine by shaft coupling, natural gas engine is discharged fume to exhaust gases passes, engine coolant cylinder sleeve is connected with the first cooling passage, first cooling passage is connected with the second cooling passage, and the second cooling passage is connected with engine coolant cylinder sleeve and coolant recirculation pump is arranged between the two.The utility model uses concatenated connection type, simplifies pipe-line system, and convenient for controlling engine and supply water temperature respectively.
Description
Technical field
The utility model is related to heat recovery technology fields, and in particular to a kind of tandem natural gas power unit waste heat time
Receipts system.
Background technology
Conventional natural gas power unit waste heat recovery using cooling water tank and flue gas heat-exchange unit be separately recovered jacket water and
Fume afterheat, pipeline is more, and systematic comparison is complicated, and is difficult to control supply water temperature, needs to improve.
Utility model content
The utility model is in view of the above-mentioned problems, provide a kind of tandem natural gas power unit residual neat recovering system.
The purpose of this utility model can be realized by following technical proposals：More than a kind of tandem natural gas power unit
Heat recovery system, including generator, natural gas engine, flue gas heat-exchange unit, plate heat exchanger and coolant recirculation pump, wherein
There is natural gas engine the engine coolant cylinder sleeve of interior logical coolant liquid, flue gas heat-exchange unit to have exhaust gases passes and the first cooling
Liquid channel, plate heat exchanger have the outer circulation aquaporin of the second cooling passage and Nei Tong outer circulation water；The generator with
Natural gas engine is connected by shaft coupling, and the flue gas discharge opening of the natural gas engine passes through on pipeline and flue gas heat-exchange unit
The import of exhaust gases passes is connected, and the cooling liquid outlet of the engine coolant cylinder sleeve passes through on pipeline and flue gas heat-exchange unit first
The import of cooling passage is connected, on the flue gas heat-exchange unit outlet of the first cooling passage pass through pipeline and plate heat exchanger
The import of upper second cooling passage is connected, on the plate heat exchanger outlet of the second cooling passage by pipeline with start
The cooling liquid inlet of machine coolant liquid cylinder sleeve is connected, and the coolant recirculation pump is set to the second cooling passage on plate heat exchanger
The pipeline that is connected with the cooling liquid inlet of engine coolant cylinder sleeve of outlet on.
The beneficial effects of the utility model：Generator, natural gas engine, flue gas heat-exchange unit, plate heat exchanger and cooling
Liquid circulating pump uses concatenated connection type, simplifies pipe-line system, and convenient for controlling engine and supply water temperature respectively.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Part numbers are as follows in figure：
1 generator
2 natural gas engines
3 flue gas heat-exchange units
4 plate heat exchangers
5 coolant recirculation pumps
6 engine coolant cylinder sleeves
7 second cooling passages
8 outer circulation aquaporins.
Specific implementation mode
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing, those skilled in the art is made to become apparent from
How ground understanding puts into practice the utility model.Although describing the utility model in conjunction with its preferred embodiment, these
Embodiment only illustrates, rather than limits the scope of the utility model.
Referring to Fig. 1, a kind of tandem natural gas power unit residual neat recovering system, including generator 1, natural gas engine
2, flue gas heat-exchange unit 3, plate heat exchanger 4 and coolant recirculation pump 5, wherein natural gas engine 2 has the hair of interior logical coolant liquid
Motivation coolant liquid cylinder sleeve 6, flue gas heat-exchange unit 3 have exhaust gases passes and the first cooling passage, plate heat exchanger 4 cold with second
But the outer circulation water channel 8 in liquid channel 7 and Nei Tong outer circulation water；The generator 1 passes through shaft coupling phase with natural gas engine 2
Even, the flue gas discharge opening of the natural gas engine 2 is connected by pipeline with the import of exhaust gases passes on flue gas heat-exchange unit 3, institute
The cooling liquid outlet for stating engine coolant cylinder sleeve 6 passes through the import phase of pipeline and the first cooling passage on flue gas heat-exchange unit 3
Even, the outlet of first cooling passage passes through the second cooling passage on pipeline and plate heat exchanger 4 on the flue gas heat-exchange unit 3
7 import is connected, on the plate heat exchanger 4 outlet of second cooling passage 7 pass through pipeline and engine coolant cylinder sleeve 6
Cooling liquid inlet be connected, the coolant recirculation pump 5 be set on plate heat exchanger 4 outlet of second cooling passage 7 with
On the connected pipeline of the cooling liquid inlet of engine coolant cylinder sleeve 6.
When work, natural gas engine 2 drives generator 1 to generate electricity using natural gas as fuel, and is arranged from flue gas discharge opening
Going out the flue gas of high temperature, the flue gas of high temperature is passed through the exhaust gases passes on flue gas heat-exchange unit 3, meanwhile, natural gas engine 2 cools down fluid cylinder
The coolant liquid of set is passed through the first cooling passage on flue gas heat-exchange unit 3 from cooling liquid outlet, and flue gas exchanges heat with coolant liquid
Temperature reduces and drains into air afterwards.Later, the second cooling passage 7 on plate heat exchanger 4 is entered after coolant temperature increases,
The outer circulation water in outer circulation water channel 8 is heated, becoming high temperature after so that it is heated up supplies water with for users to use, while coolant liquid obtains
To cooling.Coolant liquid after cooling is driven by coolant recirculation pump 5 and enters engine coolant cylinder sleeve 6, and coolant liquid is being started
Absorb the heat of 2 casing wall of natural gas engine in machine coolant liquid cylinder sleeve 6 and temperature rise, then the be passed through on flue gas heat-exchange unit 3
One cooling passage to exchange heat with high-temperature flue gas, and so on completes circulation heat absorption and the heat release of engine coolant.
It should be pointed out that for the utility model through absolutely proving, can also have a variety of transformation and the implementation of remodeling
Scheme, it is not limited to the specific embodiment of the above embodiment.Above-described embodiment as just the utility model explanation, and
It is not limitations of the present invention.In short, the scope of protection of the utility model should be including those for ordinary skill
It obviously converts or substitutes and retrofit for personnel.
Claims (1)
1. a kind of tandem natural gas power unit residual neat recovering system, which is characterized in that including generator, natural gas engine
Machine, flue gas heat-exchange unit, plate heat exchanger and coolant recirculation pump, wherein natural gas engine has starting for interior logical coolant liquid
There is exhaust gases passes and the first cooling passage, plate heat exchanger to have the second coolant liquid for machine coolant liquid cylinder sleeve, flue gas heat-exchange unit
The outer circulation aquaporin in channel and Nei Tong outer circulation water；The generator is connected with natural gas engine by shaft coupling, described
The flue gas discharge opening of natural gas engine is connected by pipeline with the import of exhaust gases passes on flue gas heat-exchange unit, and the engine is cold
But the cooling liquid outlet of fluid cylinder set is connected by pipeline with the import of the first cooling passage on flue gas heat-exchange unit, and the flue gas changes
The outlet of the first cooling passage is connected by pipeline with the import of the second cooling passage on plate heat exchanger on hot device, described
The outlet of the second cooling passage is connected by pipeline with the cooling liquid inlet of engine coolant cylinder sleeve on plate heat exchanger, institute
State the cooling that coolant recirculation pump is set to the outlet of the second cooling passage and engine coolant cylinder sleeve on plate heat exchanger
On the connected pipeline of liquid import.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820111683.1U CN207935007U (en) | 2018-01-23 | 2018-01-23 | A kind of tandem natural gas power unit residual neat recovering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820111683.1U CN207935007U (en) | 2018-01-23 | 2018-01-23 | A kind of tandem natural gas power unit residual neat recovering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207935007U true CN207935007U (en) | 2018-10-02 |
Family
ID=63649953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820111683.1U Active CN207935007U (en) | 2018-01-23 | 2018-01-23 | A kind of tandem natural gas power unit residual neat recovering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207935007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361652A (en) * | 2020-10-28 | 2021-02-12 | 上海本家空调系统有限公司 | Heat pump driven by gas engine |
-
2018
- 2018-01-23 CN CN201820111683.1U patent/CN207935007U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361652A (en) * | 2020-10-28 | 2021-02-12 | 上海本家空调系统有限公司 | Heat pump driven by gas engine |
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