CN207363831U - A kind of heat-exchanging furnace for small refuse incinerator afterheat generating system - Google Patents
A kind of heat-exchanging furnace for small refuse incinerator afterheat generating system Download PDFInfo
- Publication number
- CN207363831U CN207363831U CN201720913341.7U CN201720913341U CN207363831U CN 207363831 U CN207363831 U CN 207363831U CN 201720913341 U CN201720913341 U CN 201720913341U CN 207363831 U CN207363831 U CN 207363831U
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- CN
- China
- Prior art keywords
- heat
- exchanging furnace
- refuse incinerator
- generating system
- small refuse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of heat-exchanging furnace for small refuse incinerator afterheat generating system, the small refuse incinerator afterheat generating system includes primary combustion system, secondary combustion system, exhaust gas processing device, Stirling engine, the air inlet of the gas outlet connection secondary combustion system of the primary combustion system；The air inlet of the gas outlet connection heat-exchanging furnace of the secondary combustion system；The air inlet of the gas outlet connection exhaust gas processing device of the heat-exchanging furnace, the heat-exchanging furnace ecto-entad include successively：Cylindrical outer layer steel plate, insulating layer, flame retardant coating, spiral flue, the spiral flue pipe wall are provided with the liner in the hot junction for conducting heat and connecting Stirling engine.The utility model is simple in structure, easy to process, can realize the heat exchange between high-temperature flue gas and Stirling engine hot junction, has high heat exchange efficiency, and the heat that small refuse incinerator can be made full use of to produce, realizes the recycling and utilization of the energy.
Description
Technical field
It the utility model is related to cogeneration field, and in particular to one kind is used for small refuse incinerator afterheat generating system
Heat-exchanging furnace.
Background technology
Small refuse incinerator is mainly used for some special occasions, such as rural garbage processing, experiment fixed-end forces.This
The effect of class small refuse incinerator is primarily to fully handle incineration firing, and small refuse incinerator produces during this
Thermal energy heat up water and utilized only by waste heat boiler, utilization rate of waste heat is not high.And it is small to use Stirling engine to be used in
Type waste incinerator carries out the conversion that thermal energy arrives electric energy to mechanical energy again, forms afterheat generating system, is a kind of capacity usage ratio
Higher measure.
And the heat of the high-temperature flue gas of small refuse incinerator discharge is conducted effectively to the hot junction of Stirling engine,
A kind of device must just be designed to connect small refuse incinerator and Stirling engine, to ensure the high temperature cigarette of waste incinerator
The heat of thermal energy and reduction high-temperature flue gas that the reasonable circulation of gas, Stirling engine hot junction absorb flue gas scatters and disappears.In addition it is small-sized
The closed structure of waste incinerator does not allow Stirling engine hot junction being inserted directly into incinerator yet, therefore designs a kind of heat
Stove of exchanging has very real meaning to connect small refuse incinerator and Stirling engine hot junction.
Utility model content
The purpose of this utility model be to solve the problems, such as that above-mentioned small refuse incinerator fume afterheat fails efficiently to utilize,
A kind of heat-exchanging furnace for small refuse incinerator afterheat generating system is provided.
The utility model is achieved through the following technical solutions：
A kind of heat-exchanging furnace for small refuse incinerator afterheat generating system, the small refuse incinerator waste heat hair
Electric system includes primary combustion system, secondary combustion system, exhaust gas processing device, Stirling engine, the primary combustion system
The gas outlet of system connects the air inlet of the secondary combustion system；The gas outlet of the secondary combustion system connects the heat exchange
The air inlet of stove；The air inlet of the gas outlet connection exhaust gas processing device of the heat-exchanging furnace, the heat-exchanging furnace is by extroversion
Inside include successively：Cylindrical outer layer steel plate, insulating layer, flame retardant coating, spiral flue, the spiral flue pipe wall
It is provided with the liner in the hot junction for conducting heat and connecting Stirling engine.High-temperature flue gas passes through heat exchange by refuse burning system
Stove conducts heat to Stirling engine hot junction, realizes efficiently using for high-temperature flue gas heat.
Further, the spiral flue is provided at both ends with admission line and outlet pipe.
Further, the both ends of the spiral flue connect admission line and outlet by circular arc type joint respectively
Pipeline.
Further, the circular arc type joint is preferably to make up high temperature cigarette using the purpose for thickening processing thickening processing
The erosive wear of gas butt joint part, extends device lifetime.
Further, the thickness of the circular arc type joint is directly proportional to circular arc type joint inside smoke flow velocity.
Further, the material of the liner is carbon fiber material or polytetrafluoroethylene material, liner both company of playing
Effect is connect, while as high-temperature flue gas and the contact layer of flue, there is anticorrosion, resistance to erosion.
Further, the material of the insulating layer is Foaming of phenolic resin material or composite silicate thermal insulation material, heat
Hinder the insulation effect that coefficient is big, has the steel plate diffusion of reduction heat outer layers.
Further, the material of the flame retardant coating is silica refractory, has fusing point high, hardly occurs under high temperature
Thermal deformation, has the function that to support flue.
Further, the wall thickness of the outer layer plate is the 1.5 ~ 3% of the horizontal maximum width of shaft, both can guarantee that enough
Intensity, while reduce weight and cost.
Compared with prior art, the utility model has the following advantages that and beneficial effect：
1. the heat-exchanging furnace of the utility model, applied to the cogeneration project of small refuse incinerator, makes full use of small
The heat that type waste incinerator produces, improves efficiency of energy utilization, realizes the purpose of energy-saving and emission-reduction.
2. heat-exchanging furnace is simple in structure, easy to process, can realize between high-temperature flue gas and Stirling engine hot junction
Heat exchange, has higher heat exchanger effectiveness, the heat that small refuse incinerator can be made full use of to produce, and realizes returning for the energy
Receive and utilize.
Brief description of the drawings
Fig. 1 is the structure diagram of the middle-size and small-size waste incinerator afterheat generating system of the utility model embodiment.
Fig. 2 is the three-dimensional structure schematic cross-sectional view of heat-exchanging furnace in the utility model embodiment.
Fig. 3 is the schematic diagram being connected in the utility model embodiment inside heat-exchanging furnace with Stirling engine.
Fig. 4 is longitudinal schematic cross-sectional view of heat-exchanging furnace in the utility model embodiment.
Shown in figure：1- primary combustion systems；2- combustion system；3- heat-exchanging furnaces；4- Stirling engines；5- generates electricity
Machine；6- hands over orthogonal convertor circuit；7- transformers；8- exhaust gas processing devices；9- liners, 10- flame retardant coatings, 11- insulating layers, outside 12-
Layer steel plate, the spiral flues of 13-, 14- Stirling engines hot junction, 15- circular arc type joints, 16- outlet pipes, 17- into
Feed channel.
Embodiment
In order to which the utility model is more clearly understood, below with reference to attached drawing, to the preferred embodiment of the utility model
It is described in detail.It should be appreciated that preferred embodiment only for illustrate the utility model, rather than in order to limit this practicality newly
The protection domain of type.
As shown in Figure 1, a kind of heat-exchanging furnace for small refuse incinerator afterheat generating system, the small-sized rubbish is burnt
Burning stove waste heat power generation system includes primary combustion system 1, secondary combustion system 2, heat-exchanging furnace 3, Stirling engine 4, power generation
Machine 5, hand over orthogonal convertor circuit 6, transformer 7 and exhaust gas processing device 8；Described in the gas outlet connection of the primary combustion system 1
The air inlet of secondary combustion system 2；The gas outlet of the secondary combustion system 2 connects the air inlet of the heat-exchanging furnace 3；It is described
The air inlet of the gas outlet connection exhaust gas processing device 8 of heat-exchanging furnace 3, the liner connection Stirling of the heat-exchanging furnace 3 start
The hot junction of machine 4；Orthogonal unsteady flow is handed in the flywheel connection generator 5 of the Stirling engine 4, the busbar connection of the generator 5
The input terminal of circuit 6, the 6 output terminal connection transformer 7 of friendship orthogonal convertor circuit.
As shown in Figures 2 to 4,3 ecto-entad of heat-exchanging furnace includes successively：Cylindrical outer layer steel plate 12, insulation
Layer 11, flame retardant coating 10, spiral flue 13, spiral 13 inner wall of flue are provided with for conducting heat and connecting this
The liner 9 in the hot junction of special woods engine 4.When afterheat generating system works normally, high-temperature flue gas passes through heat by refuse burning system
Stove of exchanging conducts heat to Stirling engine hot junction, realizes efficiently using for high-temperature flue gas heat.
The both ends of the spiral flue connect admission line 17 and outlet pipe by circular arc type joint 15 respectively
16.The circular arc type joint 15 is handled using thickening, and thickness is directly proportional to 15 inside smoke flow velocity of circular arc type joint, internal cigarette
Gas velocity is bigger, and the thickness of circular arc type joint 15 also accordingly increases, and improves the reliability and service life of heat-exchanging furnace.
In the present embodiment, a diameter of 96 cm of whole heat-exchanging furnace 3, wherein, the material of the liner 9 is fine for carbon
Material or polytetrafluoroethylene material are tieed up, the material of the insulating layer 11 is Foaming of phenolic resin material or composite silicate thermal insulation
Material.Thickness is 4cm；The material of the flame retardant coating 10 is silica refractory, thickness 22cm；The outer layer plate 12
Wall thickness is 2cm, high 118cm.The heat-exchanging furnace 3 can design its structure according to its actual working environment, start Stirling
4 hot junction of machine can fully absorb fume afterheat, improve generating efficiency and energy utilization rate.
When small refuse incinerator works normally, rubbish, which burns in primary combustion system 1 and generates flue gas, discharges, flue gas
By secondary combustion system 2 burn again processing formed high-temperature flue gas enter heat-exchanging furnace 3, in 3 high temperature flue gas of heat-exchanging furnace
Thermal energy is transferred to 4 hot junction of Stirling engine, converts heat into mechanical energy by Stirling engine 4, then drive generator 5 to send out
Electricity, voltage available is exported after handing over orthogonal convertor circuit 6 and transformer 7.Flue gas enters tail gas after the discharge of heat-exchanging furnace 3
Processing unit 8, is finally discharged into air.
Specifically, when the afterheat generating system works normally, high-temperature flue gas is handed over by small refuse incinerator through overheat
The admission line 9 for changing stove 3 enters exhaust treatment system, and it is spiral that high-temperature flue gas then is collected input by circular arc type joint 15
Flue 13, inside heat-exchanging furnace 3, due to the effect of flame retardant coating 10, insulating layer 11 and spiral flue 13,
The heat of flue gas is mainly conducted by liner 9 to Stirling engine hot junction 4, realizes efficiently using for high-temperature flue gas heat.
The heat-exchanging furnace 3 can adjust each inner structure size size according to actual flue gas flow size.
The above is only the preferred embodiment of the present invention, is not intended to limit the present invention, for this technology
For the those of ordinary skill in field, to the technical solution of the utility model technical scheme is modified or replaced equivalently, without departure from this
The protection domain of utility model.
Claims (9)
1. a kind of heat-exchanging furnace for small refuse incinerator afterheat generating system, the small refuse incinerator cogeneration
System includes primary combustion system (1), secondary combustion system (2), exhaust gas processing device (8), Stirling engine (4), described
The gas outlet of primary combustion system (1) connects the air inlet of the secondary combustion system (2)；The secondary combustion system (2)
Gas outlet connects the air inlet of the heat-exchanging furnace (3)；The gas outlet connection exhaust gas processing device (8) of the heat-exchanging furnace (3)
Air inlet, it is characterised in that：Described heat-exchanging furnace (3) ecto-entad includes successively：Cylindrical outer layer steel plate (12), insulation
Layer (11), flame retardant coating (10), spiral flue (13), described spiral flue (13) inner wall are provided with for conducting heat
With connection Stirling engine hot junction（14）Liner (9).
2. a kind of heat-exchanging furnace for small refuse incinerator afterheat generating system according to claim 1, its feature
It is：The both ends of the spiral flue (13) are respectively arranged with admission line (17) and outlet pipe (16).
3. a kind of heat-exchanging furnace for small refuse incinerator afterheat generating system according to claim 2, its feature
It is：The both ends of the spiral flue (13) connect admission line (17) and outlet by circular arc type joint (15) respectively
Pipeline (16).
4. a kind of heat-exchanging furnace for small refuse incinerator afterheat generating system according to claim 3, its feature
It is：The circular arc type joint (15) is handled using thickening.
5. a kind of heat-exchanging furnace for small refuse incinerator afterheat generating system according to claim 4, its feature
It is：The thickness of the circular arc type joint (15) is directly proportional to circular arc type joint (15) inside smoke flow velocity.
6. a kind of heat-exchanging furnace for small refuse incinerator afterheat generating system according to claim 1, its feature
It is：The material of the liner (9) is Foaming of phenolic resin material or composite silicate thermal insulation material.
7. a kind of heat-exchanging furnace for small refuse incinerator afterheat generating system according to claim 1, its feature
It is：The material of the insulating layer (11) is Foaming of phenolic resin material or composite silicate thermal insulation material.
8. a kind of heat-exchanging furnace for small refuse incinerator afterheat generating system according to claim 1, its feature
It is：The material of the flame retardant coating (10) is silica refractory.
9. a kind of heat-exchanging furnace for small refuse incinerator afterheat generating system according to claim 1, its feature
It is：The wall thickness of the outer layer plate (12) is the 1.5 ~ 3% of the horizontal maximum width of shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720913341.7U CN207363831U (en) | 2017-07-26 | 2017-07-26 | A kind of heat-exchanging furnace for small refuse incinerator afterheat generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720913341.7U CN207363831U (en) | 2017-07-26 | 2017-07-26 | A kind of heat-exchanging furnace for small refuse incinerator afterheat generating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207363831U true CN207363831U (en) | 2018-05-15 |
Family
ID=62421750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720913341.7U Expired - Fee Related CN207363831U (en) | 2017-07-26 | 2017-07-26 | A kind of heat-exchanging furnace for small refuse incinerator afterheat generating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207363831U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620684A (en) * | 2017-07-26 | 2018-01-23 | 华南理工大学 | A kind of heat-exchanging furnace for small refuse incinerator afterheat generating system |
-
2017
- 2017-07-26 CN CN201720913341.7U patent/CN207363831U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620684A (en) * | 2017-07-26 | 2018-01-23 | 华南理工大学 | A kind of heat-exchanging furnace for small refuse incinerator afterheat generating system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20190726 |