CN2853193Y - Baking device with steel coating - Google Patents
Baking device with steel coating Download PDFInfo
- Publication number
- CN2853193Y CN2853193Y CN 200520097177 CN200520097177U CN2853193Y CN 2853193 Y CN2853193 Y CN 2853193Y CN 200520097177 CN200520097177 CN 200520097177 CN 200520097177 U CN200520097177 U CN 200520097177U CN 2853193 Y CN2853193 Y CN 2853193Y
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- flue gas
- communicated
- air
- waste
- temperature flue
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Abstract
A roasting device with a steel coating comprises an oven and a burning furnace, and also comprises an air-and-flue gas heat exchanger and a waste-and-flue gas heat exchanger. The air-and-flue gas heat exchanger is provided with a clean-air inlet, a clean-hot-air outlet, a high-temperature flue gas inlet and a low-temperature flue gas outlet, wherein the high-temperature flue gas inlet is communicated with the high-temperature flue gas outlet of the burning furnace, and the clean-hot-air outlet is communicated with the hot-air inlet of the oven, further the clean-air inlet and the low-temperature flue gas outlet are communicated with the atmospheric air. The exhaust gas inlet of the burning furnace is communicated with the exhaust gas outlet of the waste-and-flue gas heat exchanger, and the high-temperature flue gas outlet is communicated with the high-temperature flue gas inlets of the air-and-flue gas heat exchanger and the waste-and-flue gas heat exchanger. The waste gas inlet of the waste-and-flue gas heat exchanger is communicated with the waste gas outlet of the oven, and the low-temperature flue gas outlet is communicated with the atmospheric air. The device can improve product quality via roasting the steel coating with clean hot air, and takes the waste gas as the combustion-supporting gas of the burning furnace, which can not only thoroughly burn the inflammable polluted gas but also decrease the production cost and protect the environment with the waste heat.
Description
Technical field
In all kinds of continuous multicolor coating production lines, all be provided with the oven of oven dry coating, these coating production lines have and one are coated with a baking, two are coated with two bakings, three-coat three-baking etc., just being coated with once with regard to oven dry tinuous production once is exactly one to be coated with a baking, the art of this patent is to be applied in all kinds of continuous multicolor coating production lines, in order to the coating of oven dry belt steel surface.
Background technology
Mostly the oven of band steel coloured coating tinuous production is that the hot flue gas that adopts fuel combustion to produce directly heat and toast the band steel, owing to containing pollutant such as flue dust in the combustion product gases, can belt steel surface be polluted, thereby influences the quality of painting.And in bake process, volatile solvent gas in the coating (as paint) is constantly overflowed, and in oven, assemble, this solvent gas (hereinafter to be referred as waste gas) that contains is poisonous flammable dusty gas, when solvent strength reaches explosion limit, just might set off an explosion, therefore must constantly extract the waste gas in the stove out.
In the past, the waste gas that big multiple production line will constantly be extracted out directly enters atmosphere, severe contamination surrounding environment, also have for reaching environmental requirement, in the waste discharge air pipe, incinerator is set, with emptying behind the burned waste gas.But because incineration temperature has relatively high expectations, it is higher therefore to burn energy consumption, increases production cost greatly.
Summary of the invention
The purpose of this utility model provides a kind of apparatus for baking with steel coating, to toast and burning organically combines, both solved the pernicious gas environmental pollution problem, liberated heat heating tape steel when utilizing the volatile ingredient burning again, flue gas heat after burning is fully recycled, improve product quality, reduced production cost.
The technical solution of the utility model is: the apparatus for baking of band steel coating, and it comprises oven and incinerator, it is characterized in that: also comprise air/flue gas heat exchange device and waste gas/flue gas heat exchange device, connect in the following manner by pipeline between them:
Air/flue gas heat exchange device has cleaned air inlet, clean hot air outlet, high-temperature flue gas entry, low-temperature flue gas outlet; Its high-temperature flue gas entry is communicated with the high-temperature flue gas outlet of incinerator, and its clean hot air outlet is communicated with the oven hot air inlet, and its cleaned air inlet and low-temperature flue gas outlet are communicated with atmosphere;
The exhaust gas entrance of incinerator is communicated with the waste gas outlet of waste gas/flue gas heat exchange device, and the high-temperature flue gas outlet is communicated with the high-temperature flue gas entry of air/flue gas heat exchange device and waste gas/flue gas heat exchange device;
Waste gas/the exhaust gas entrance of flue gas heat exchange device is communicated with the waste gas outlet of oven, and the low-temperature flue gas outlet is communicated with atmosphere.
This device can improve the quality of product with clean hot-air baking band steel coating, and the waste gas of oven is used as the combustion-supporting gas of incinerator, promptly after-flame its waste heat that utilizes again of flammable dusty gas wherein, producing cost is descended has protected environment again.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Wherein, air/flue gas heat exchange device 1, cleaned air inlet 1-1, clean hot air outlet 1-2, low-temperature flue gas outlet 1-3, high-temperature flue gas entry 1-4;
Incinerator 2, high-temperature flue gas outlet 2-1, combustion chamber 2-2, exhaust gas entrance 2-3, nozzle 2-4, burning gases inlet 2-5;
Waste gas/flue gas heat exchange device 3, exhaust gas entrance 3-1, waste gas outlet 3-2, high-temperature flue gas entry 3-4;
Topcoat oven 4, waste gas outlet pipe 4-1, drying tunnel 4-2, hot air inlet 4-3, band steel upper surface heat supply airduct 4-4, band steel lower surface heat supply airduct 4-5;
Primer coating oven 5, waste gas outlet pipe 5-1, drying tunnel 5-2, hot air inlet 5-3, band steel upper surface heat supply airduct 5-4, band steel lower surface heat supply airduct 5-5;
Pipeline 6, blower fan 7 (circulating fan, waste discharge blower fan, air blower, smoke exhaust fan), band steel 8.
Concrete embodiment
The utility model embodiment is applied in two to be coated with on the tinuous productions of two bakings, is respectively equipped with priming coat and finishing coat oven in the apparatus for baking, is arranged in after the coating machine that corresponding primary coat and face be coated with, in order to the coating of oven dry belt steel surface.
Referring to Fig. 1.The utility model embodiment as shown in Figure 1, it comprises oven 4,5 and incinerator 2, it is characterized in that: also comprise air/flue gas heat exchange device 1 and waste gas/flue gas heat exchange device 2, be connected with blower fan 7 by pipeline 6 between them.
Air/flue gas heat exchange device 1 has cleaned air inlet 1-1, clean hot air outlet 1-2, high-temperature flue gas entry 1-4, low-temperature flue gas outlet 1-3; Its high-temperature flue gas entry 1-4 is communicated with the high-temperature flue gas outlet 2-1 of incinerator, and its clean hot air outlet 1-2 is communicated with oven hot air inlet 4-3,5-3, and its cleaned air inlet 1-1 and low-temperature flue gas outlet 1-3 are communicated with atmosphere;
The exhaust gas entrance 2-3 of incinerator is communicated with the waste gas outlet 3-2 of waste gas/flue gas heat exchange device, and high-temperature flue gas outlet 2-1 is communicated with high-temperature flue gas entry 1-4, the 3-4 of air/flue gas heat exchange device 1 and waste gas/flue gas heat exchange device 2;
The exhaust gas entrance 3-1 of waste gas/flue gas heat exchange device 3 is communicated with the waste gas outlet pipe 4-1 of oven, and low-temperature flue gas outlet 3-3 is communicated with atmosphere.
Primer coating oven 5 is arranged in after the coating machine of primary coat, in order to the priming coat of oven dry belt steel surface; After the coating machine that topcoat oven 4 faces of being arranged in are coated with, in order to the finishing coat of oven dry belt steel surface.Band steel 8 is passed by from primer coating oven 5 and topcoat oven 4 successively, finishes the oven dry of belt steel surface coating.
The baking of present embodiment partly is traditional device, mainly is made up of drying tunnel, bellows, circulating fan and circulation airduct, waste discharge tracheae etc.
The burning part of present embodiment also is made up of traditional incinerator, air/flue gas heat exchange device, waste gas/flue gas heat exchange device, waste discharge blower fan, air blower, smoke exhaust fan and air supply line etc.
During device work, all blower fans in the starting drive at first, (incinerator can adopt various coal gas to light the incinerator burner then, natural gas and liquefied petroleum gas etc. are done fuel, combustion air is the waste gas that comes from oven), the hot flue gas that incinerator is discharged is heated to uniform temperature by (air/flue gas) heat exchanger with cold cleaned air, hot cleaned air after the heating is transported to oven by air duct, and mix with recyclegas in the oven, send into bellows by circulating fan again, and spray by the bellows nozzle, in order to heating and baking band steel, the solvent waste gas that contains that produces in oven during baking band steel is extracted out by the waste discharge blower fan, by (waste gas/flue gas) heat exchanger heating back (further utilizing flue gas heat), send into incinerator and burn.The flue gas that incinerator is discharged is sent into chimney by the induced-draft fan extraction and is discharged into atmosphere through behind above-mentioned two heat exchangers.For better regulating the temperature of oven, the oven part also is provided with a cover supply cold wind device, is made up of blower fan and cool air hose.Cold wind is delivered in the preceding circulation airduct of circulating fan, mixes with recyclegas and hot-air, reaches the purpose of regulating wind-warm syndrome.
But all online automatic detection and controls such as the furnace temperature of whole device, furnace pressure, band temperature, gas temperature, waste gas discharge capacity, fuel flow rate and oven solvent strength.
This device characteristic
This device has both solved the pernicious gas environmental pollution problem by toasting and burning organically combines, and is again sharp Liberated heat heating tape steel when burning with volatile ingredient is fully recycled the flue gas heat after burning, and well separates The problems referred to above of having determined. This device has following characteristics:
1 adopts heat exchanger with the heat heats cold air of hot flue gas, directly heats by this clean hot-air and dries by the fire Roasting band steel satisfies the condition of producing high-quality clad plate.
The 2 harmful volatile ingredient gases that produce when oven dry paint are sent into to burn in the heater and are burned the heat after the burning Flue gas enters heat exchanger and is used for the heats cold air.
3 by control volatile ingredient gas purging amount and the amount that the new hot blast of configuration enters baking box, guarantees volatilization gas The ratio of composition in baking box, thus the control fuel gas is not blasted in baking box.
Claims (1)
1, the apparatus for baking of band steel coating, it comprises oven and incinerator, it is characterized in that: also comprise air/flue gas heat exchange device and waste gas/flue gas heat exchange device, connect in the following manner by pipeline between them:
Air/flue gas heat exchange device has cleaned air inlet, clean hot air outlet, high-temperature flue gas entry, low-temperature flue gas outlet; Its high-temperature flue gas entry is communicated with the high-temperature flue gas outlet of incinerator, and its clean hot air outlet is communicated with the oven hot air inlet, and its cleaned air inlet and low-temperature flue gas outlet are communicated with atmosphere;
The exhaust gas entrance of incinerator is communicated with the waste gas outlet of waste gas/flue gas heat exchange device, and the high-temperature flue gas outlet is communicated with the high-temperature flue gas entry of air/flue gas heat exchange device and waste gas/flue gas heat exchange device;
Waste gas/the exhaust gas entrance of flue gas heat exchange device is communicated with the waste gas outlet of oven, and the low-temperature flue gas outlet is communicated with atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520097177 CN2853193Y (en) | 2005-07-14 | 2005-07-14 | Baking device with steel coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520097177 CN2853193Y (en) | 2005-07-14 | 2005-07-14 | Baking device with steel coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2853193Y true CN2853193Y (en) | 2007-01-03 |
Family
ID=37579821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520097177 Expired - Lifetime CN2853193Y (en) | 2005-07-14 | 2005-07-14 | Baking device with steel coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2853193Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963439A (en) * | 2010-10-11 | 2011-02-02 | 湖北联合天诚防伪技术有限公司 | Energy-conserving drying device |
| CN103575085A (en) * | 2012-07-31 | 2014-02-12 | 苏州福斯特光伏材料有限公司 | Combustion disposing, drying and heating integrated unit for organic waste gas emitted by coater |
| CN108980864A (en) * | 2018-07-26 | 2018-12-11 | 吴江市贝灵电机有限公司 | A kind of coating waste gas heat utilization method |
| CN115854705A (en) * | 2022-10-13 | 2023-03-28 | 东风柳州汽车有限公司 | Control method of finish paint drying system |
-
2005
- 2005-07-14 CN CN 200520097177 patent/CN2853193Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963439A (en) * | 2010-10-11 | 2011-02-02 | 湖北联合天诚防伪技术有限公司 | Energy-conserving drying device |
| CN103575085A (en) * | 2012-07-31 | 2014-02-12 | 苏州福斯特光伏材料有限公司 | Combustion disposing, drying and heating integrated unit for organic waste gas emitted by coater |
| CN103575085B (en) * | 2012-07-31 | 2016-04-20 | 苏州福斯特光伏材料有限公司 | A kind of organic exhaust gas burning process of coating machine discharge and oven dry heating combined unit |
| CN108980864A (en) * | 2018-07-26 | 2018-12-11 | 吴江市贝灵电机有限公司 | A kind of coating waste gas heat utilization method |
| CN115854705A (en) * | 2022-10-13 | 2023-03-28 | 东风柳州汽车有限公司 | Control method of finish paint drying system |
| CN115854705B (en) * | 2022-10-13 | 2024-04-16 | 东风柳州汽车有限公司 | Control method of finish paint drying system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: MCC STRIPTEC CO., LTD. Free format text: FORMER OWNER: ZHONGYE CONTINUOUS CASTING TECH. ENGINEERING CO., LTD. Effective date: 20110310 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430080 NO. 75, YEJIN AVENUE, QINGSHAN DISTRICT, WUHAN CITY, HUBEI PROVINCE TO: 430073 NO. 51 (LIUFANG POST OFFICE), GUANGGU AVENUE, GUANNAN INDUSTRIAL PARK, EAST LAKE NEW TECHNOLOGY DEVELOPMENT ZONE, WUHAN CITY, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110310 Address after: 430073 Hubei city of Wuhan province East Lake new technology development zone of the southern Optics Valley Industrial Park Road No. 51 (a post office) Patentee after: MCC STRIPTEC Co., Ltd. Address before: 430080 No. 75 metallurgical Avenue, Qingshan District, Hubei, Wuhan Patentee before: Zhongye Continuous Casting Tech. Engineering Co., Ltd. |
|
| CX01 | Expiry of patent term |
Expiration termination date: 20150714 Granted publication date: 20070103 |
|
| EXPY | Termination of patent right or utility model |