CN207048854U - Natural gas power unit waste-heat recovery device - Google Patents
Natural gas power unit waste-heat recovery device Download PDFInfo
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- CN207048854U CN207048854U CN201721027371.4U CN201721027371U CN207048854U CN 207048854 U CN207048854 U CN 207048854U CN 201721027371 U CN201721027371 U CN 201721027371U CN 207048854 U CN207048854 U CN 207048854U
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- water
- heat
- generating set
- inlet
- 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 natural gas power unit waste-heat recovery device, including expansion tank, expansion tank is connected to the water circulation system in generating set by outlet pipeline, being installed in series on outlet pipeline has pressure pump, the inlet end of generating set is connected with inlet gas cooling device, inlet gas cooling water pipe is connected between inlet gas cooling device and outlet pipeline, the water inlet end of inlet gas cooling water pipe is on the outlet pipeline between pressure pump and generating set, also include flue gas heat-exchange unit, the air inlet of flue gas heat-exchange unit is connected to the exhaust outlet of generating set, the water inlet end of flue gas heat-exchange unit is connected to water circulation system, water side of the water side of water circulation system also with inlet gas cooling water pipe is connected, direct water recovery apparatus and indirect water recovery apparatus are provided between flue gas heat-exchange unit and expansion tank；The heat energy of generating set can be fully reclaimed by the present apparatus, energy-dissipating device is replaced using energy absorption device, the overall heat recovery efficiency of generating set is improved on the basis of cost is not increased.
Description
Technical field
Natural gas generator technical group field is the utility model is related to, more particularly to a kind of natural gas power unit waste heat returns
Receiving apparatus.
Background technology
Generating set can produce substantial amounts of heat in the course of the work, currently in order to the heat of recovery generating set, is sending out
Some heat reclaim units are also installed, but these heat reclaim unit 26S Proteasome Structure and Functions of the prior art all compare in group of motors
It is more single, heat caused by waste gas and water circulation can only be simply reclaimed, does not all account for energy caused by charge air cooler.Generating electricity
In the practical work process of unit, charge air cooler can also produce many heats, and this portion of energy is not obtained not only effectively
Utilize, need addition heat abstractor to be cooled down on the contrary, so as to which this causes the whole system thermal efficiency relatively low.
Utility model content
Technical problem to be solved in the utility model, which is to provide one kind, can reduce thermal loss, the small day of improving cost
Right gas generating set waste-heat recovery device.
In order to solve the above technical problems, the technical solution of the utility model is：Natural gas power unit waste-heat recovery device,
Including expansion tank, the expansion tank is connected to the water circulation system in generating set, the outlet pipe by outlet pipeline
Being installed in series on road has pressure pump, and the inlet end of the generating set is connected with inlet gas cooling device, the inlet gas cooling dress
Put and inlet gas cooling water pipe is connected between the outlet pipeline, the water inlet end of the inlet gas cooling water pipe is located at the pressure (hydraulic) water
On the outlet pipeline between pump and the generating set, in addition to flue gas heat-exchange unit, the air inlet of the flue gas heat-exchange unit
The exhaust outlet of the generating set is connected to, the water inlet end of the flue gas heat-exchange unit is connected to the water circulation system, the water
Water side of the water side of the circulatory system also with the inlet gas cooling water pipe is connected, the flue gas heat-exchange unit and the expansion tank
Between be provided with direct water recovery apparatus and indirect water recovery apparatus.
As preferable technical scheme, the directly water recovery apparatus includes the section temperature located at the flue gas heat-exchange unit water side
Device, the thermostat are connected to the expansion tank by return pipe.
As preferable technical scheme, the water recovery apparatus indirectly includes the board-like heat exchange located at thermostat water side
Device, the water side of the heat-exchangers of the plate type are connected to the return pipe, and being additionally provided with heat exchange on the heat-exchangers of the plate type enters
Water pipe and heat exchange outlet pipe.
As preferable technical scheme, the inlet gas cooling device is included in what the generating set inlet end was arranged in series
One-level charge air cooler and two level charge air cooler, the part inlet gas cooling water pipe disk is in the one-level charge air cooler, with the two level
Charge air cooler is correspondingly provided with the radiator being used cooperatively.
As the improvement to above-mentioned technical proposal, booster, the outlet of the booster are installed on the generating set
End is connected to the flue gas heat-exchange unit.
By adopting the above-described technical solution, natural gas power unit waste-heat recovery device, including expansion tank, it is described swollen
Swollen water tank is connected to the water circulation system in generating set by outlet pipeline, and being installed in series on the outlet pipeline has pressure (hydraulic) water
Pump, the inlet end of the generating set is connected with inlet gas cooling device, between the inlet gas cooling device and the outlet pipeline
Inlet gas cooling water pipe is connected with, the water inlet end of the inlet gas cooling water pipe is located between the pressure pump and the generating set
The outlet pipeline on, in addition to flue gas heat-exchange unit, the air inlet of the flue gas heat-exchange unit be connected to the generating set
Exhaust outlet, the water inlet end of the flue gas heat-exchange unit are connected to the water circulation system, the water side of the water circulation system also with
The water side connection of the inlet gas cooling water pipe, is provided with direct water recovery apparatus between the flue gas heat-exchange unit and the expansion tank
With indirect water recovery apparatus；The beneficial effects of the utility model are：Inlet gas cooling water pipe can enter to the air inlet of inlet gas cooling device
Row heat exchange, the heat of its carrying is reclaimed while intake air temperature is reduced, generating set is arranged furthermore with flue gas heat-exchange unit
The gas gone out carries out heat recovery, and is automatically selected according to temperature and start direct water recovery apparatus or indirect water recovery apparatus, passes through this
Device can fully reclaim the heat energy of generating set, energy-dissipating device be replaced using energy absorption device, on the basis of cost is not increased
Improve the overall heat recovery efficiency of generating set.
Brief description of the drawings
The following drawings is only intended to, in doing the utility model schematic illustration and explanation, not limit model of the present utility model
Enclose.Wherein：
Fig. 1 is the water route of the utility model embodiment, the circulation schematic diagram of gas circuit；
In figure：1- expansion tanks；2- outlet pipelines；3- generating sets；4- pressure pumps；5- inlet gas cooling water pipes；6- mono-
Level charge air cooler；7- two level charge air coolers；8- radiators；9- flue gas heat-exchange units；10- thermostats；11- return pipes；The board-like heat exchanges of 12-
Device；13- heat exchange water inlet pipes；14- heat exchange outlet pipes；15- boosters.
Embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.In the following detailed description, only pass through
Bright mode describes some one exemplary embodiments of the present utility model.Undoubtedly, one of ordinary skill in the art can be with
Recognize, can be with a variety of modes to described in the case of without departing from spirit and scope of the present utility model
Embodiment is modified.Therefore, accompanying drawing and description are inherently illustrative, rather than for limiting the protection of claim
Scope.
As shown in figure 1, natural gas power unit waste-heat recovery device, including expansion tank 1, the expansion tank 1 are used for
Moisturizing is carried out to generator and the heat transferring medium as part of waste heat recovery uses, the expansion tank 1 is connected by outlet pipeline 2
The water circulation system being connected in generating set 3, the water circulation system of the generating set 3 is ordinary skill people in the art
Content known to member, is no longer described in detail herein.Being installed in series on the outlet pipeline 2 has pressure pump 4, is the generating
The internal water circulation system of unit 3 provides power, while provides circulation power for the heat transferring medium of part of waste heat recovery, described
The inlet end of generating set 3 is connected with inlet gas cooling device, is connected between the inlet gas cooling device and the outlet pipeline 2
Inlet gas cooling water pipe 5, the water inlet end of the inlet gas cooling water pipe 5 are located between the pressure pump 4 and the generating set 3
On the outlet pipeline 2.
Specifically, the inlet gas cooling device is included in the one-level charge air cooler 6 that the inlet end of generating set 3 is arranged in series
With two level charge air cooler 7, the part disk of inlet gas cooling water pipe 5 is in the one-level charge air cooler 6, with the two level charge air cooler 7
It is correspondingly provided with the radiator 8 being used cooperatively.The air inlet that wherein described one-level charge air cooler 6 is used for the generating set 3 carries out one
Secondary to cool, the air inlet that the two level charge air cooler 7 is used for the generating set 3 carries out secondary cooling cooling, the air inlet
Cooling water pipe 5 is used to provide cooling medium for the heat exchange of the one-level charge air cooler 6, and the radiator 8 is used for the two level
Charge air cooler 7 carries out heat exchange cooling.
Also including flue gas heat-exchange unit 9, the air inlet of the flue gas heat-exchange unit 9 is connected to the exhaust outlet of the generating set 3,
The water inlet end of the flue gas heat-exchange unit 9 is connected to the water circulation system, the water side of the water circulation system also with it is described enter
The water side connection of air cooling water pipe 5, the flue gas heat-exchange unit 9 is used for the recovery of the waste-gas heat of generating set 3, i.e., to institute
The recirculated water for stating generating set 3 is heated, and is facilitated the use recirculated water and is transferred heat from.
The present embodiment is provided with direct water recovery apparatus between the flue gas heat-exchange unit 9 and the expansion tank 1 and taken back
Water installations, the directly water recovery apparatus include the thermostat 10 located at the water side of flue gas heat-exchange unit 9, and the thermostat 10 is logical
Cross return pipe 11 and be connected to the expansion tank 1；The water recovery apparatus indirectly includes the board-like heat located at the water side of thermostat 10
Exchanger 12, the water side of the heat-exchangers of the plate type 12 are connected to the return pipe 11, gone back on the heat-exchangers of the plate type 12
Provided with heat exchange water inlet pipe 13 and heat exchange outlet pipe 14, in other words, the directly water recovery apparatus forms the generating set 3
Partial circulating heat-exchange system, the water recovery apparatus indirectly forms the systemic circulation heat-exchange system of the generating set 3, two systems
Selection utilization, it is to be realized by the thermostat 10 according to the temperature automatic control of recirculated water, the thermostat 10, the plate
The concrete structure of formula heat exchanger 12 and the flue gas heat-exchange unit 9 is those of ordinary skill in the art with operation principle
Known content.
Booster 15 is installed, the outlet side of the booster 15 is connected to the flue gas heat exchange on the generating set 3
Device 9, capacity is improved, realizes the adjustment being pressurized using capacity to air inlet.
The operation principle of the present embodiment is：
Water circulation system using the pressure pump 4 by the hydraulic pressure in the expansion tank 1 to the generating set 3
It is interior, the generating set 3 is cooled, while part water is entered by the inlet gas cooling water pipe 5 and the one-level charge air cooler 6
Row heat exchange, the intake air temperature of the generating set 3 is reduced, the water after heat exchange together enters to the flue gas heat-exchange unit 9, to institute
The waste gas for stating the discharge of generating set 3 carries out heat exchange, for being extracted to the heat in waste gas, when the flue gas heat-exchange unit
9 output water temperature than it is relatively low when, the recirculated water of the generating set 3 directly flows by the thermostat 10 and the return pipe 11
It is back in the expansion tank 1, i.e., carries out heat exchange using partial circulating；When the output water temperature of the flue gas heat-exchange unit 9 is higher
When, the recirculated water of the generating set 3 enters to the heat-exchangers of the plate type 12 by the thermostat 10, enters with external water source
Row heat exchange, the temperature of recirculated water is reduced, come out heat extraction using external water source, i.e., carry out heat exchange using systemic circulation.
The intake air temperature of the generating set 3 is reduced to reasonable level using the one-level charge air cooler 6 and the two level charge air cooler 7,
Used so that the generating set 3 works.
Inlet gas cooling water pipe 5 of the present utility model can be to inlet gas cooling device air inlet carry out heat exchange, reduce into
The heat of its carrying is reclaimed while temperature is spent, the gas discharged furthermore with flue gas heat-exchange unit 9 to generating set 3 carries out heat
Recovery, and automatically selected according to temperature and start direct water recovery apparatus or indirect water recovery apparatus, can fully it be reclaimed by the present apparatus
The heat energy of generating set 3, energy-dissipating device is replaced using energy absorption device, generating set 3 is improved on the basis of cost is not increased
Overall heat recovery efficiency.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (5)
1. natural gas power unit waste-heat recovery device, it is characterised in that：Including expansion tank, the expansion tank passes through water outlet
Pipeline is connected to the water circulation system in generating set, and being installed in series on the outlet pipeline has pressure pump, the generator
The inlet end of group is connected with inlet gas cooling device, and inlet gas cooling is connected between the inlet gas cooling device and the outlet pipeline
Water pipe, the water inlet end of the inlet gas cooling water pipe is located at the outlet pipeline between the pressure pump and the generating set
On, in addition to flue gas heat-exchange unit, the air inlet of the flue gas heat-exchange unit be connected to the exhaust outlet of the generating set, the flue gas
The water inlet end of heat exchanger is connected to the water circulation system, the water side of the water circulation system also with the inlet gas cooling water pipe
Water side connection, direct water recovery apparatus and indirect water recovery apparatus are provided between the flue gas heat-exchange unit and the expansion tank.
2. natural gas power unit waste-heat recovery device as claimed in claim 1, it is characterised in that：The direct water recovery apparatus
Including the thermostat located at the flue gas heat-exchange unit water side, the thermostat is connected to the expansion tank by return pipe.
3. natural gas power unit waste-heat recovery device as claimed in claim 2, it is characterised in that：The indirect water recovery apparatus
Including the heat-exchangers of the plate type located at thermostat water side, the water side of the heat-exchangers of the plate type is connected to the return pipe,
Heat exchange water inlet pipe and heat exchange outlet pipe are additionally provided with the heat-exchangers of the plate type.
4. the natural gas power unit waste-heat recovery device as described in claim 1,2 or 3, it is characterised in that：It is described to enter to be gas-cooled
But device is included in the one-level charge air cooler and two level charge air cooler that the generating set inlet end is arranged in series, and enters air cooling described in part
But water pipe disk is correspondingly provided with the radiator being used cooperatively in the one-level charge air cooler with the two level charge air cooler.
5. natural gas power unit waste-heat recovery device as claimed in claim 4, it is characterised in that：Pacify on the generating set
Equipped with booster, the outlet side of the booster is connected to the flue gas heat-exchange unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721027371.4U CN207048854U (en) | 2017-08-16 | 2017-08-16 | Natural gas power unit waste-heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721027371.4U CN207048854U (en) | 2017-08-16 | 2017-08-16 | Natural gas power unit waste-heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207048854U true CN207048854U (en) | 2018-02-27 |
Family
ID=61502775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721027371.4U Active CN207048854U (en) | 2017-08-16 | 2017-08-16 | Natural gas power unit waste-heat recovery device |
Country Status (1)
| Country | Link |
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| CN (1) | CN207048854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361098A (en) * | 2018-03-22 | 2018-08-03 | 潍柴动力股份有限公司 | The cooling system of cold engine in two-step supercharging |
-
2017
- 2017-08-16 CN CN201721027371.4U patent/CN207048854U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361098A (en) * | 2018-03-22 | 2018-08-03 | 潍柴动力股份有限公司 | The cooling system of cold engine in two-step supercharging |
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