CN209430253U - High-temperature flue gas electricity generation system based on Stirling thermal engine operating - Google Patents
High-temperature flue gas electricity generation system based on Stirling thermal engine operating Download PDFInfo
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- CN209430253U CN209430253U CN201822274623.4U CN201822274623U CN209430253U CN 209430253 U CN209430253 U CN 209430253U CN 201822274623 U CN201822274623 U CN 201822274623U CN 209430253 U CN209430253 U CN 209430253U
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Abstract
The utility model relates to fume waste heats to utilize technical field, disclose a kind of high-temperature flue gas electricity generation system based on Stirling thermal engine operating, including Stirling thermal engine operating, generating set, it further include several heat absorption coil pipes being arranged in flue, the outside of flue is equipped with the first distributor, second distributor, medium, which is connected with, on first distributor enters pipe, medium effuser is connected on second distributor, medium enters pipe and is equipped with pump, medium enters pipe, the outer end of medium effuser is connected with heat storage box, the first heat-conducting work medium is filled in heat storage box, several heat exchange coils are equipped in heat storage box, the outside of heat storage box is equipped with the first pipeline, second pipeline, first pipeline, the outer end of the second pipeline hot end with the cylinder body inside Stirling thermal engine operating respectively, cold end connection, heat exchange coil, first pipeline, the second heat-conducting work medium is filled in second pipeline.The utility model is eventually converted into clean electric energy using the heat recovery and utilization in flue gas as the heat source of Stirling thermal engine operating, by the waste heat in flue gas.
Description
Technical field
The utility model relates to fume waste heats to utilize technical field more particularly to a kind of high temperature cigarette based on Stirling thermal engine operating
Gas electricity generation system.
Background technique
The flue gas (tail gas, exhaust gas) of high temperature can be discharged in many industrial productions, such as high temperature cigarette is discharged in garbage burning factory
The high-temperature flue gas etc. generated in the high-temperature tail gas that is discharged in gas, desulphurization system, smelting iron and steel, contains vulcanization in these industrial tail gas
The various corrosive substances such as object, oxide are needed by can just be discharged into air after cooling, vent gas treatment.Usual high temperature
Heat in flue gas, which directly distributes, to be slatterned, or needs to be separately provided tail gas cooling system and tail gas is dropped to suitable temperature
After could discharge, increase vent gas treatment cost.
Utility model content
The utility model is led in order to which the thermal energy solved in the high-temperature flue gas being discharged in prior art industrial production can not utilize
The problem of causing waste, provides a kind of high-temperature flue gas electricity generation system based on Stirling thermal engine operating, utilizes the heat in high-temperature flue gas
It generates electricity,
To achieve the goals above, the utility model adopts the following technical solution:
A kind of high-temperature flue gas electricity generation system based on Stirling thermal engine operating, including Stirling thermal engine operating, defeated with Stirling thermal engine operating
The generating set of outlet connection, further includes several heat absorption coil pipes being arranged in flue, and the outside of the flue is equipped with first point
One end of cloth device, the second distributor, the heat absorption coil pipe is connect with the first distributor, the other end for the coil pipe that absorbs heat and the second distribution
Device connects, and is connected with medium on first distributor and enters pipe, medium effuser is connected on second distributor, described
Medium enters pipe and is equipped with pump, and the medium enters pipe, the outer end of medium effuser is connected with heat storage box, fills out in the heat storage box
Filled with the first heat-conducting work medium, it is equipped with several heat exchange coils in the heat storage box, the outside of the heat storage box is equipped with the first pipeline, the
Two pipelines, one end of heat exchange coil with the first piping connection, the other end of heat exchange coil with the second piping connection, described
One pipeline, the second pipeline outer end connect respectively with the hot end of the cylinder body inside Stirling thermal engine operating, cold end, the heat exchange coil,
The second heat-conducting work medium is filled in first pipeline, the second pipeline.
Pump is opened, and the first heat-conducting work medium in heat storage box, heat absorption coil pipe circulates, and the high-temperature flue gas in flue is (general
Industrial tail gas temperature is 600 DEG C -1000 DEG C) heat exchange, the first heat-conducting work medium are carried out with the first heat-conducting work medium in heat absorption coil pipe
Heat absorption, under the action of pump, the first heat-conducting work medium in final entire heat storage box is heated, and the in the heat storage box after heat absorption
The second heat-conducting work medium in one heat-conducting work medium and heat exchange coil carries out heat exchange, and the second heat-conducting work medium absorbs heat in Stirling thermal engine operating
Hot end heated, so that Stirling thermal engine operating be driven to work, Stirling thermal engine operating converts heat into mechanical energy and drives generator
Group rotation power generation；This kind of electricity generation system can convert clean electric energy for the heat energy recycle in flue gas.Due to many flue gases
In contain mordant substance, therefore first pass through heat absorption coil pipe and absorb heat in flue gas, by the first heat-conducting work medium and changing
The second heat-conducting work medium in hot coil carries out heat exchange, plays a protective role to exchange hot coil, avoids the corrosion in flue gas
Property corrosion of the gas to the heat exchange coil on Stirling thermal engine operating, improve the stability of Stirling thermal engine operating work.
Preferably, first heat-conducting work medium is conduction oil, second heat-conducting work medium be nitrogen or hydrogen or
Inert gas.
Preferably, first heat-conducting work medium is metallic sodium or metallic potassium, the pump is electromagnetic pump, described the
Two heat-conducting work mediums are nitrogen or hydrogen or inert gas.Metallic sodium, metallic potassium are low-melting-point metal, are in a liquid state after heat absorption, liquid
State metal circulates under the action of electromagnetic pump, and the thermal energy in flue gas is transmitted in heat storage box, while the liquid in heat storage box
The second heat-conducting work medium in state metal and heat exchange coil carries out heat exchange, and the second heat-conducting work medium is Stirling thermal engine operating heating, whole
Heat exchanger effectiveness is high, and the heat utilization rate in flue gas is high.
Preferably, the bottom of the heat storage box is equipped with isolation cover, heating chamber, the heating chamber are equipped in the isolation cover
It is interior to be equipped with electric heater.It, can be thermally conductive to first in heat storage box by electric heater when flue does not discharge flue gas
Working medium heating, the first heat-conducting work medium carries out heat exchange further through heat exchange coil and the second heat-conducting work medium, i.e., in no high-temperature flue gas
In the case where Stirling thermal engine operating can also work and generating set is driven to generate electricity；Meanwhile high-temperature flue gas starts to heat absorption coil pipe heating
Initial stage, electric heater also simultaneously heat the solid metallic in heat storage box, become liquid, and then electric heater is closed
Heating, finally opens electromagnetic pump, consequently facilitating the first heat-conducting work medium circulates.
Preferably, the outer surface of the isolation cover is equipped with heat transmission fin.Heat transmission fin when electric heater heating
The heat absorption efficiency of the first heat-conducting work medium in heat storage box can be improved.
Preferably, the outer surface of the heat absorption coil pipe is equipped with ring fin, the surface of the heat absorption coil pipe, ring fin
Surface be equipped with corrosion-resistant finishes.Corrosion-resistant finishes can weaken corrosion of the corrosive gas in flue gas to heat absorption coil pipe, mention
The service life of highly endothermic coil pipe.
Preferably, the front for being located at heat absorption coil pipe in the flue is equipped with flow-disturbing impeller.Different parts in flue
The temperature of flue gas, heat have differences, when flue gas passes through flow-disturbing impeller, impeller rotation, so that by absorbing heat disk
The flue gas heat distribution of pipe is more uniform, is conducive to heat exchange between flue gas and heat absorption coil pipe；And flue gas passes through flow-disturbing impeller
When, the part kinetic energy of flue gas can be converted into the kinetic energy of flow-disturbing impeller, to weaken the kinetic energy of flue gas, the flow velocity of flue gas is reduced, from
And the time of heat exchange between flue gas and heat absorption coil pipe is extended, be conducive to heat absorption coil pipe and more fully absorb flue gas heat
Amount.
Preferably, the lateral surface of the heat storage box is equipped with thermal insulation layer, the medium enters pipe, medium effuser, first
Pipeline, the second pipeline outer sheath be equipped with collet.Thermal insulation layer, collet can reduce the heat loss in whole system.
Therefore, it the utility model has the following beneficial effects: (1) recycles the waste heat in flue gas, converts waste heat to
Clean electric energy；(2) whole system is stablized, and heat exchanger effectiveness is high, Stirling thermal engine operating stable working performance.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the utility model.
Fig. 2 is the schematic diagram of internal structure of Fig. 1.
Fig. 3 is the structural schematic diagram of heat storage box.
In figure: Stirling thermal engine operating 1, generating set 2, heat absorption coil pipe 3, ring fin 30, the distribution of the first distributor 4, second
Device 5, connector 6, medium enter pipe 7, medium effuser 8, pump 9, heat storage box 10, heat exchange coil 11, the first pipeline 12, second pipe
Road 13, isolation cover 14, heating chamber 15, electric heater 16, heat transmission fin 17, thermal insulation layer 18, collet 19, flow-disturbing impeller 20, cigarette
Road 21.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and detailed description:
A kind of high-temperature flue gas electricity generation system based on Stirling thermal engine operating as shown in Figure 1, Figure 2 and Figure 3, including Stirling heat
Machine 1, the generating set 2 connecting with the output end of Stirling thermal engine operating further include several heat absorption coil pipes 3 being arranged in flue 21,
The outer surface of heat absorption coil pipe 3 is equipped with ring fin 30, and the surface for the coil pipe that absorbs heat, the surface of ring fin are equipped with corrosion-resistant painting
Layer, corrosion-resistant finishes are graphite flakes coating, and graphite flakes coating is sprayed by graphite flakes anticorrosive paint, corrosion-resistant painting
Layer is also possible to ceramic coating, and the front that heat absorption coil pipe is located in flue is equipped with flow-disturbing impeller 20；The outside of flue is equipped with first
Distributor 4, the second distributor 5, the first distributor 4, the second distributor 5 are in hollow cyclic structure, the first distributor, second
Distributor is fixed on the outside of flue by connector 6, and one end of heat absorption coil pipe 3 is connect with the first distributor, the coil pipe that absorbs heat it is another
One end is connect with the second distributor, and medium is connected on the first distributor and enters pipe 7, and medium outflow is connected on the second distributor
Pipe 8, medium enter pipe and are equipped with pump 9, and medium enters pipe, the outer end of medium effuser is connected with heat storage box 10, fills out in heat storage box
Filled with the first heat-conducting work medium, several heat exchange coils 11 are equipped in heat storage box, the outside of heat storage box is managed equipped with the first pipeline 12, second
Road 13, one end of heat exchange coil with the first piping connection, the other end of heat exchange coil with the second piping connection, first pipe
Road, the second pipeline outer end connect respectively with the hot end of the cylinder body inside Stirling thermal engine operating, cold end, heat exchange coil, the first pipeline,
The second heat-conducting work medium is filled in second pipeline.First heat-conducting work medium is conduction oil or metallic sodium or metallic potassium, the second thermally conductive work
Matter is nitrogen or hydrogen or inert gas, and the first heat-conducting work medium in the present embodiment is metallic sodium, and the second heat-conducting work medium is inertia
Helium in gas, the pump 9 in the present embodiment are electromagnetic pump.
The bottom of heat storage box 10 is equipped with isolation cover 14, and heating chamber 15 is equipped in isolation cover, is equipped with electric heater in heating chamber
16；The outer surface of isolation cover 14 is equipped with heat transmission fin 17, and the lateral surface of heat storage box is equipped with thermal insulation layer 18, and medium enters pipe, medium
Effuser, the first pipeline, the second pipeline outer sheath be equipped with collet 19.
In conjunction with attached drawing, the principles of the present invention are as follows: pump is opened, the first heat-conducting work medium in heat storage box, heat absorption coil pipe
It circulates, the high-temperature flue gas (general industry exhaust temperature is 600 DEG C -1000 DEG C) in flue is led with first in heat absorption coil pipe
Hot working fluid carries out heat exchange, the heat absorption of the first heat-conducting work medium, the first heat-conducting work medium under the action of pump, in final entire heat storage box
It is heated, the first heat-conducting work medium in the heat storage box after heat absorption and the second heat-conducting work medium in heat exchange coil carry out heat exchange,
The hot end in Stirling thermal engine operating is heated in the heat absorption of second heat-conducting work medium, so that Stirling thermal engine operating is driven to work, Stirling heat
Machine converts heat into mechanical energy and drives generating set rotation power generation；This kind of electricity generation system can be by the heat energy recycle in flue gas
It is converted into clean electric energy.Due to containing mordant substance in many flue gases, first passes through heat absorption coil pipe and absorb in flue gas
Heat, heat exchange is being carried out by the second heat-conducting work medium in the first heat-conducting work medium and heat exchange coil, to exchange hot coil
It plays a protective role, avoids corrosion of the corrosive gas to the heat exchange coil on Stirling thermal engine operating in flue gas, improve Stirling
The stability of heat engine work.
The above are only specific embodiments of the present invention, but the technical characteristics of the utility model is not limited thereto.Example
Such as, metallic sodium, two kinds of metallic potassium common liquid metal for conducting heat working medium are only schematically illustrated in first heat-conducting work medium the present embodiment, but
Its protection scope do not limit both liquid metals, such as liquid Na-K alloy, liquid lithium, lead bismuth alloy, gallium-indium alloy etc. its
He also includes at the replacement of liquid metal working medium by the application.It is any based on the utility model, for solve it is essentially identical
Technical problem is realized essentially identical technical effect, made simple change, equivalent replacement or modification etc., is all covered by
Among the protection scope of the utility model.
Claims (8)
1. a kind of high-temperature flue gas electricity generation system based on Stirling thermal engine operating, the output including Stirling thermal engine operating and Stirling thermal engine operating
Hold the generating set of connection, characterized in that further include several heat absorption coil pipes being arranged in flue, the outside of the flue is equipped with
One end of first distributor, the second distributor, the heat absorption coil pipe is connect with the first distributor, the other end for the coil pipe that absorbs heat and the
Two distributors connect, and are connected with medium on first distributor and enter pipe, and medium outflow is connected on second distributor
Pipe, the medium enter pipe and are equipped with pump, and the medium enters pipe, the outer end of medium effuser is connected with heat storage box, the storage
It is filled with the first heat-conducting work medium in hot tank, is equipped with several heat exchange coils in the heat storage box, the outside of the heat storage box is equipped with the
One pipeline, the second pipeline, one end of heat exchange coil with the first piping connection, the other end of heat exchange coil with the second pipeline connect
Connect, first pipeline, the second pipeline outer end connect respectively with the hot end of the cylinder body inside Stirling thermal engine operating, cold end, it is described
Heat exchange coil, the first pipeline are filled with the second heat-conducting work medium in the second pipeline.
2. the high-temperature flue gas electricity generation system according to claim 1 based on Stirling thermal engine operating, characterized in that described first
Heat-conducting work medium is conduction oil, and second heat-conducting work medium is nitrogen or hydrogen or inert gas.
3. the high-temperature flue gas electricity generation system according to claim 1 based on Stirling thermal engine operating, characterized in that described first
Heat-conducting work medium is metallic sodium or metallic potassium, and the pump is electromagnetic pump, and second heat-conducting work medium is nitrogen or hydrogen or lazy
Property gas.
4. the high-temperature flue gas electricity generation system according to claim 1 or 2 or 3 based on Stirling thermal engine operating, characterized in that described
The bottom of heat storage box is equipped with isolation cover, and heating chamber is equipped in the isolation cover, is equipped with electric heater in the heating chamber.
5. the high-temperature flue gas electricity generation system according to claim 4 based on Stirling thermal engine operating, characterized in that the isolation cover
Outer surface be equipped with heat transmission fin.
6. the high-temperature flue gas electricity generation system according to claim 1 based on Stirling thermal engine operating, characterized in that the absorbing heat disk
The outer surface of pipe is equipped with ring fin, and the surface of the heat absorption coil pipe, the surface of ring fin are equipped with corrosion-resistant finishes.
7. the high-temperature flue gas electricity generation system according to claim 1 based on Stirling thermal engine operating, characterized in that the flue
The interior front for being located at heat absorption coil pipe is equipped with flow-disturbing impeller.
8. the high-temperature flue gas electricity generation system according to claim 1 based on Stirling thermal engine operating, characterized in that the heat storage box
Lateral surface be equipped with thermal insulation layer, the medium enter pipe, medium effuser, the first pipeline, the second pipeline outer sheath be equipped with every
Hot jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822274623.4U CN209430253U (en) | 2018-12-29 | 2018-12-29 | High-temperature flue gas electricity generation system based on Stirling thermal engine operating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822274623.4U CN209430253U (en) | 2018-12-29 | 2018-12-29 | High-temperature flue gas electricity generation system based on Stirling thermal engine operating |
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| CN209430253U true CN209430253U (en) | 2019-09-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538319A (en) * | 2018-12-29 | 2019-03-29 | 杭州温斯特新能源科技有限公司 | A kind of high-temperature flue gas electricity generation system based on Stirling thermal engine operating |
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2018
- 2018-12-29 CN CN201822274623.4U patent/CN209430253U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538319A (en) * | 2018-12-29 | 2019-03-29 | 杭州温斯特新能源科技有限公司 | A kind of high-temperature flue gas electricity generation system based on Stirling thermal engine operating |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200617 Address after: Room 912, building 3, No.16 Longtan Road, Cangqian street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou yingluowei Energy Technology Co.,Ltd. Address before: Room A1022, 1st floor, No. 368 Liuhe Road, Binjiang District, Hangzhou City, Zhejiang 310000 Patentee before: HANGZHOU WENSITE NEW ENERGY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |