CN105651069A - Energy-saving environment-friendly efficient drying system - Google Patents
Energy-saving environment-friendly efficient drying system Download PDFInfo
- Publication number
- CN105651069A CN105651069A CN201610065193.8A CN201610065193A CN105651069A CN 105651069 A CN105651069 A CN 105651069A CN 201610065193 A CN201610065193 A CN 201610065193A CN 105651069 A CN105651069 A CN 105651069A
- Authority
- CN
- China
- Prior art keywords
- energy
- flue gas
- environment
- burner
- drying system
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
- F27D2017/005—Systems for reclaiming waste heat including pyrolising the waste gases
-
- 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
- Y02E20/12—Heat utilisation in combustion or incineration of waste
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses an energy-saving environment-friendly efficient drying system which comprises a curing furnace body and a combustion device, wherein a first area and a second area are formed in the curing furnace body, and communicate with each other; a high-temperature flue gas discharge opening is formed in the second area, and communicates with a combustion-supporting air input opening in the combustion device via a flue gas guide in pipe; a heat source output opening in the combustion device communicates with a heat exchanger; a blower inputs air into the heat exchanger for heating; and the air heated in the heat exchanger is input to a heat source guide in opening in the first area. The energy-saving environment-friendly efficient drying system has the advantages that (1) high-temperature flue gas containing high-concentration VOC gases in the second area is recovered for supporting combustion in the combustion device, and the recovery efficiency of the high-temperature flue gas reaches up to 99 percent or higher, that is, energy can be saved; (2) due to high-temperature combustion, the high-concentration VOC gases in the high-temperature flue gas can be combusted and degraded completely, that is, pollution to the environment is avoided; and (3) waste heat is recovered and utilized in multiple stages, and emitted exhaust is purified, so that energy is saved, and the environment is protected.
Description
[technical field]
The present invention relates to a kind of drying system, can be completely eliminated, particularly to one, the energy-saving, environment-friendly and high-efficiency drying system that VOC (VOC) discharges.
[background technology]
Curing oven may be used for resin and aluminium gold workpiece etc. and is placed in body of heater in higher temperature and carries out heat treatment. Workpiece is in the process of high-temperature process, and VOC (VOC) gas in workpiece is vented directly in environment with tail gas, it will environment is caused severe contamination.
Application number be 201310259581.6 Chinese invention patent disclose the combustion type aluminium enamel of a kind of flue residue heat recoverable and be heating and curing stove, it includes body of heater and transporter. It is provided with low-temperature space and high-temperature region in body of heater, the body of heater of its low-temperature space and high-temperature region is respectively equipped with heat-exchanging chamber, in each heat-exchanging chamber, be provided with circulating fan, combustor and combustion type combustor. The smoke discharging pipe of low-temperature space combustor is expelled directly out outside body of heater; Being connected to longer waste heat recovery pipeline between smoke discharging pipe and the combustor of high-temperature region combustor, its waste heat recovery pipe road sequentially passes through the high-temperature region in body of heater, low-temperature space, then connects smoke discharging pipe and discharge from body of heater. Although making waste gas residual heat be recycled utilization, reaching the purpose of certain energy-saving and emission-reduction, but cannot thoroughly remove VOC (VOC) exhaust emission.
[summary of the invention]
It is an object of the invention to the deficiency existed for above-mentioned existing technology, it is provided that one can thoroughly eliminate VOC (VOC) gas discharging and pollute, the energy-saving, environment-friendly and high-efficiency drying system of efficient energy-saving and more environmental protection.
To achieve these goals, the present invention is achieved in that a kind of energy-saving, environment-friendly and high-efficiency drying system, including solidifying body of heater and burner, the firstth district and the secondth district it is provided with in described curing oven body, described firstth district communicates with the secondth district, described secondth district arranges high-temperature flue gas floss hole, described high-temperature flue gas floss hole is connected with the combustion air input port of burner by flue gas ingress pipe, the thermal source delivery outlet of described burner is connected with heat exchanger, and aerator inputs the thermal source introducing port in described firstth district after air inputs the heating of described heat exchanger.
Described firstth district arranges discharged at lower temperature mouth, and described discharged at lower temperature mouth is connected with blender by low-temperature flue gas conduit, and described blender is connected with the fuel inlet of burner.
Described blender is connected with screw feed device, is input to by screw feed device by fuel after mixing with flue gas in blender and inputs burner burns.
The discharge flue of described burner is connected with the entrance of waste heat boiler.
Described waste heat boiler is connected with screw expansion generating by pipeline, and the generating of described screw expansion is connected with waste heat boiler, forms power generation cycle loop, it is possible to generate electricity.
It is connected by screw conveying device between described blender and burner, it is possible to quantitatively carry, is conducive to feed control.
Compared with prior art, the present invention has the advantage that as follows with Advantageous Effects: be 1. used in burner by all reclaiming containing the high-temperature flue gas of high concentration VOC gas in the secondth district combustion-supporting, the organic efficiency of high temperature discharge reaches more than 99%, it is possible to save the energy; 2. high-temp combustion is passed through, it is possible to make the high concentration VOC in high temperature discharge be degraded completely, environment is no longer polluted; 3. multistage heat recovery, and emission purifies, energy-conservation environmental protection again.
[accompanying drawing explanation]
Fig. 1 is the system construction drawing of a kind of energy-saving, environment-friendly and high-efficiency drying system of the present invention.
[detailed description of the invention]
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail explanation.
A kind of energy-saving, environment-friendly and high-efficiency drying system, as it is shown in figure 1, include solidifying body of heater 1 and burner 8. Described solidification body of heater 1 is provided with the first district 11 and the second district 12, and described first district 11 communicates with the second district 12, and object to be dried order is dried by the first district 11 and the second district 12. In the second district 12, dried object and produced high concentration VOC gas in the case of a high temperature, environment is caused severe contamination. In described second district 12, high-temperature flue gas floss hole 14 is set, described high-temperature flue gas floss hole 14 is connected with flue gas ingress pipe 81, the other end of described flue gas ingress pipe 81 is connected with the combustion air input port of burner 8, imports in described burner 8 combustion-supporting by the discharge flue gas of whole high temperature. Flue gas containing a large amount of VOCs (VOC) is all imported in burner 8 as combustion air, it is possible to while improving the combustion-supporting temperature of burner 8, in burner 8, reach more than 800 DEG C with fuel mixed combustion temperature. Under the high-temp combustion of up to 800 DEG C, VOC (VOC) gas is burned to be eliminated, and MIN reduces exhaust emission. Described flue gas ingress pipe 81 is installed and imports blower fan 82, for extracting the flue gas of the high VOC gas content of discharge in described second district 12. The thermal source delivery outlet of described burner 8 is connected with heat exchanger 7, aerator 71 inputs described first district 11 by carrying pipe to be inputted by air by thermal source ingress pipe 72 thermal source introducing port after described heat exchanger 7 is heated to 260 DEG C, provides drying source for solidifying in body of heater 1.
Described first district 11 arranges discharged at lower temperature mouth 13, described discharged at lower temperature mouth 13 is arranged a stub interface and is connected with blender 2 by the second smoke tube 21, described blender 2 can be through screw feed device 3 and is connected with the fuel inlet of burner 8, quote the low-temperature flue gas that temperature is 100-200 DEG C to mix with fuel in blender 4, can pre-heating fuel, fuel combustion can be made more abundant, reduce the generation of nitrogen oxides. Wherein, quoting low-temperature flue gas and quality of fuel than for 1.2:1, such proportioning pre-heat effect is good, and can improve efficiency of combustion. Described blender 4 is connected with screw feed device 5, is input in blender 2 by screw feed device 3 by fuel and mixes with low-temperature flue gas.Second smoke tube 21 arranges the second air-introduced machine 22. Screw conveying device 3 can be passed through between described blender 2 and burner 8 be connected, it is possible to quantitatively carry, for feed control. The discharge flue of described burner 8 is connected with the entrance of waste heat boiler 6, and the flue gas that temperature is high 800 DEG C carries out waste heat recovery through waste heat boiler 6, cools to 150 DEG C and then passes through smoke discharge pipe 73 and discharge. Described waste heat boiler 6 is connected with screw expansion generating 4 by pipeline, and described screw expansion generating 4 is connected with waste heat boiler 6 by pipeline, forms power generation cycle loop. Described power generation cycle loop is installed circulating pump 41. Waste heat boiler 6 is steam condition by absorbing high temperature discharge waste heat by the gasification such as water or other media, and steam drive screw expansion generates electricity, for resident and production and application, it is possible to accomplish making full use of the energy.
Described burner can be biomass combustion furnace, arranges fire grate in described biomass combustion furnace, arranges split-wind plate under described fire grate, so that air intake is more uniformly distributed, improves efficiency of combustion. Described fuel can be coal particles or biological particles.
Described waste heat boiler can be heat pipe waste heat boiler, it sealing container including arranging water inlet and gas outlet and heat pipe, described heat pipe one end is placed in described container and the water in container is heated as steam, the other end of described heat pipe is placed in the thermals source such as exhaust gases passes, necessarily carries out heat exchange by what be transmitted to container after heat absorption. Heat pipe (heatpipe), in a system closed, relies on the phase-state change (liquid phase becomes vapour phase or vapour phase becomes liquid phase) of fluid to transmit the device of heat. When certain medium is become vapour phase (such as water evaporation or boiling) from liquid phase, heat can be absorbed; And when medium is become liquid phase (condensation such as steam) from vapour phase, heat can be released. Both processes are combined dexterously, is placed in the container closed, just constitutes a heat transfer element. Described waste heat boiler can adopt existing structure.
Other relevant devices such as screw expansion of the present invention generating 4, heat exchanger and blender are in industry usual means, no longer burdensome at this.
The preferred embodiment of the present invention described in detail above, it will be appreciated that the ordinary skill of this area just can make many modifications and variations according to the design of the present invention without creative work. Therefore, all technical staff in the art according to present inventive concept on prior art basis by logical analysis, reasoning or according to the limited available technical scheme of experiment, all should by among the determined protection domain of present claims book.
Claims (6)
1. an energy-saving, environment-friendly and high-efficiency drying system, including solidifying body of heater and burner, the firstth district and the secondth district it is provided with in described curing oven body, described firstth district communicates with the secondth district, it is characterized in that: described secondth district arranges high-temperature flue gas floss hole, described high-temperature flue gas floss hole is connected with the combustion air input port of burner by flue gas ingress pipe, the thermal source delivery outlet of described burner is connected with heat exchanger, and aerator inputs the thermal source introducing port in described firstth district after air inputs the heating of described heat exchanger.
2. a kind of energy-saving, environment-friendly and high-efficiency drying system as claimed in claim 1, it is characterized in that: described firstth district arranges discharged at lower temperature mouth, described discharged at lower temperature mouth is connected with blender by low-temperature flue gas conduit, and described blender is connected with the fuel inlet of burner.
3. a kind of energy-saving, environment-friendly and high-efficiency drying system as claimed in claim 2, it is characterised in that: described blender is connected with screw feed device, is input to by screw feed device by fuel after mixing with flue gas in blender and inputs burner burns.
4. a kind of energy-saving, environment-friendly and high-efficiency drying system as claimed in claim 3, it is characterised in that: the discharge flue of described burner is connected with the entrance of waste heat boiler.
5. a kind of energy-saving, environment-friendly and high-efficiency drying system as claimed in claim 4, it is characterised in that: described waste heat boiler is connected with screw expansion generating by pipeline, and the generating of described screw expansion is connected with waste heat boiler, forms power generation cycle loop.
6. a kind of energy-saving, environment-friendly and high-efficiency drying system as claimed in claim 3, it is characterised in that: it is connected by screw conveying device between described blender and burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065193.8A CN105651069A (en) | 2016-01-29 | 2016-01-29 | Energy-saving environment-friendly efficient drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065193.8A CN105651069A (en) | 2016-01-29 | 2016-01-29 | Energy-saving environment-friendly efficient drying system |
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| Publication Number | Publication Date |
|---|---|
| CN105651069A true CN105651069A (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610065193.8A Pending CN105651069A (en) | 2016-01-29 | 2016-01-29 | Energy-saving environment-friendly efficient drying system |
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| Country | Link |
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| CN (1) | CN105651069A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937770A (en) * | 2016-06-20 | 2016-09-14 | 张家港市新港星科技有限公司 | Heat supply device of curing furnace |
| CN110978359A (en) * | 2019-12-27 | 2020-04-10 | 河北宏福塑料制品有限公司 | Disposable glove waste heat recycling device |
| CN113720177A (en) * | 2021-10-11 | 2021-11-30 | 茂名市茂南奥邦涂料有限公司 | Drying box low-temperature waste heat recovery system |
| CN115419876A (en) * | 2022-08-02 | 2022-12-02 | 中国电建集团西北勘测设计研究院有限公司 | Biological fermentation steam generating device |
| CN117663812A (en) * | 2024-01-31 | 2024-03-08 | 唐山高炬科技开发有限公司 | Efficient enthalpy-increasing power generation method and system for sintering flue gas |
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| US4662840A (en) * | 1985-09-09 | 1987-05-05 | Hunter Engineering (Canada) Ltd. | Indirect fired oven system for curing coated metal products |
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| CN204485594U (en) * | 2015-03-18 | 2015-07-22 | 北京鞍信天硕工程技术有限公司 | Based on color-coating line exhaust-gas treatment and the heat recovery system of concentration runner and RTO |
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2016
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937770A (en) * | 2016-06-20 | 2016-09-14 | 张家港市新港星科技有限公司 | Heat supply device of curing furnace |
| CN110978359A (en) * | 2019-12-27 | 2020-04-10 | 河北宏福塑料制品有限公司 | Disposable glove waste heat recycling device |
| CN113720177A (en) * | 2021-10-11 | 2021-11-30 | 茂名市茂南奥邦涂料有限公司 | Drying box low-temperature waste heat recovery system |
| CN113720177B (en) * | 2021-10-11 | 2024-02-09 | 茂名市茂南奥邦涂料有限公司 | Stoving case low temperature waste heat recovery system |
| CN115419876A (en) * | 2022-08-02 | 2022-12-02 | 中国电建集团西北勘测设计研究院有限公司 | Biological fermentation steam generating device |
| CN117663812A (en) * | 2024-01-31 | 2024-03-08 | 唐山高炬科技开发有限公司 | Efficient enthalpy-increasing power generation method and system for sintering flue gas |
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Application publication date: 20160608 |