CN204286041U - Drying oven waste gas utilization system - Google Patents

Drying oven waste gas utilization system Download PDF

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Publication number
CN204286041U
CN204286041U CN201420676765.2U CN201420676765U CN204286041U CN 204286041 U CN204286041 U CN 204286041U CN 201420676765 U CN201420676765 U CN 201420676765U CN 204286041 U CN204286041 U CN 204286041U
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CN
China
Prior art keywords
waste gas
drying oven
fresh air
combustion furnace
utilization system
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Expired - Fee Related
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CN201420676765.2U
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Chinese (zh)
Inventor
邢礼宏
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YANCHENG DONGFANG TIANCHENG MACHINERY CO Ltd
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YANCHENG DONGFANG TIANCHENG MACHINERY CO Ltd
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Priority to CN201420676765.2U priority Critical patent/CN204286041U/en
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Publication of CN204286041U publication Critical patent/CN204286041U/en
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Abstract

The utility model discloses a kind of drying oven waste gas utilization system, described drying oven waste gas is successively through waste gas combustion furnace, dry heating by the exhaust gases room, fresh air preheating chamber, finally be connected on degreasing heat exchanger, described waste gas combustion furnace is provided with water-cooled flue, described water-cooled flue is provided with connecting line and is connected to plate type heat exchanger and by heating tank, the air inlet of described waste gas combustion furnace is connected on the gas outlet of drying oven by drying oven waste gas conveying fan and oven dry heating by the exhaust gases room, the air inlet of described drying oven is provided with fresh air conveying blower fan and fresh air preheating chamber, the utility model utilizes waste gas combustion furnace that drying room waste gases is carried out burning disposal, eliminates the pollutant component in waste gas, burn the heat produced and carry out thermal energy exchange by media such as water and airs with needing the medium heated, convert institute's heat content in the waste gas of discharge to effective heat energy, thus can general warranty discharging waste gas meet the requirement of environmental protection, achieve again energy-saving and cost-reducing cleaner production object.

Description

Drying oven waste gas utilization system
Technical field
What the utility model related to high-temp waste gas in industrial processes utilizes field, particularly relates to the waste gas utilization system on a kind of drying oven.
Background technology
Waste gas in the drying plant of present a lot of oil paint is not treated just directly to be discharged, and both made oven dry heat produce comparatively lossy, again owing to containing certain density organic solvent in waste gas, the waste gas of discharge causes the pollution to air, can not meet environmental requirement.
Though there is the enterprise that part environmental consciousness is strong to carry out some inputs in oven dry exhaust-gas treatment, but basic is process the solvent of drying in waste gas, and the heat energy in process waste gas is effectively utilized, both energy loss was caused, again because temperature of exhaust gas is too high, thermal pollution is caused to air, and environmental emission standard requirement can not be reached comprehensively; And due to opposite common on the market heat energy from waste gas recycling system, itself is by the heat in a kind of or two kinds of approach absorption waste gas, capacity usage ratio is low, the waste gas of drying oven is in the process of transmission simultaneously, can cause the loss of energy, and waste gas own is entering into incinerator, needing to reheat, post bake, substantially increases the cost recovery of waste gas.
Utility model content
For above-mentioned Problems existing, it is abundant that the utility model object is to provide a kind of Energy harvesting, reduces the drying oven waste gas utilization system of enterprise's production cost.
In order to achieve the above object, the technical solution adopted in the utility model is as follows: a kind of drying oven waste gas utilization system, described drying oven waste gas utilization system comprises: waste gas combustion furnace, dry heating by the exhaust gases room, fresh air preheating chamber and degreasing heat exchanger, the gas outlet of described waste gas combustion furnace is successively through drying heating by the exhaust gases room, fresh air preheating chamber, finally be connected on degreasing heat exchanger, described waste gas combustion furnace is provided with water-cooled flue, described water-cooled flue is provided with connecting line and is connected to plate type heat exchanger and by heating tank, the air inlet of described waste gas combustion furnace is connected on the gas outlet of drying oven by drying oven waste gas conveying fan and oven dry heating by the exhaust gases room, the air inlet of described drying oven is provided with fresh air conveying blower fan and fresh air preheating chamber.
Improve as one of the present utility model, in described oven dry heating by the exhaust gases room and fresh air preheating chamber, be equipped with tubular heat exchanger.The air inlet of described drying oven is connected on the heat-transfer pipe of the tubular heat exchanger in fresh air preheating chamber, and the air inlet of described waste gas combustion furnace is connected on the heat-transfer pipe of the tubular heat exchanger of drying heating by the exhaust gases indoor.
Drying room waste gases, under the effect of waste gas conveying fan, is entered by exhaust gas inlet and dries heating by the exhaust gases device, and after preheating, oven dry waste gas enters waste gas combustion furnace via oven dry waste gas pipeline road and carries out burning disposal under fan action.Because waste gas have passed through preheating, make the heat needed for burning reduce, burn required time shorten completely, ensure that burned waste gas effect.
Improve as one of the present utility model, between described fresh air preheating chamber and drying oven, be provided with bag filter; Filtered out the solid particle polluter in air by bag filter, prevent the having an impact to sample in drying oven of the solid particle in fresh air, affect the drying effect of sample.
Improve as one of the present utility model, porous plate together with described oven dry heating by the exhaust gases room is equipped with the inlet end of fresh air preheating chamber, described porous plate is evenly distributed with the filter bores that multiple diameter is 50mm; Simply filtered by the high-temperature gas of porous plate to the discharge in waste gas combustion furnace, the particle reduced after waste gas burning enters native system.
Improve as one of the present utility model, one end of described heat-exchangers of the plate type is connected on the hot water circulating pipeline of waste gas combustion furnace water-cooled flue, and one end is connected on the heat cycles pipeline by heating tank.Because incinerator adopts water-cooled flue, under the effect of burning heat energy, water is heated, hot water after heating returns be transported to heat-exchangers of the plate type under the effect of hot water circulating pump after in water-cooled flue, both make the water in flue form the cyclic process of cooling, heating, heated again the tank liquor or other liquid that need heat outside.
Improve as one of the present utility model, described water-cooled flue is provided with water inlet system; Be convenient for changing the circulation insulation liquid in water-cooled flue and transfer conduit by water inlet system, facilitate cleaning and the maintenance of system.
The utility model has the advantage of: drying exhaust-gas treatment utilization system is utilize waste gas combustion furnace that drying room waste gases is carried out burning disposal, make the organic matter in waste gas at high temperature carry out reacting and cracking, thus eliminate and contained in waste gas pollutant component is formed to air.Burn the heat produced, by media such as water and airs, carrying out thermal energy exchange with needing the medium heated by suitable heat exchange mode, converting institute's heat content in the waste gas of discharge to effective heat energy, reducing final toxic emission temperature.Thus can general warranty discharging waste gas meet the requirement of environmental protection, achieve again energy-saving and cost-reducing cleaner production object.
Accompanying drawing explanation
Fig. 1 is the utility model structure diagram;
Fig. 2 is utility model works general flow chart;
Wherein, 1 waste gas combustion furnace, 2 dry heating by the exhaust gases room, 3 fresh air preheating chambers, 4 degreasing heat exchangers, 5 drying ovens, 6 discharge blower fans, 7 combustors, 8 water-cooled flues, 9 drying oven waste gas conveying fans, 10 fresh air conveying blower fans, the tubular heat exchanger of 11 oven dry heating by the exhaust gases rooms, the tubular heat exchanger of 12 fresh air preheating chambers, 13 drying oven gas outlets, 14 bag filters, 15 plate type heat exchangers, 16 by heating tank, 17 water inlet systems, 18 porous plates.
Detailed description of the invention
Illustrate below in conjunction with accompanying drawing and with detailed description of the invention, the utility model to be described in further detail.
embodiment 1:a kind of drying oven waste gas utilization system as illustrated in fig. 1 and 2, described drying oven waste gas utilization system comprises: waste gas combustion furnace 1, dry heating by the exhaust gases room 2, fresh air preheating chamber 3 and degreasing heat exchanger 4, the gas outlet of described waste gas combustion furnace 1 is successively through drying heating by the exhaust gases room 2, fresh air preheating chamber 3, finally be connected on degreasing heat exchanger 4, described waste gas combustion furnace 1 is provided with water-cooled flue 8, described water-cooled flue 8 is provided with connecting line and is connected to plate type heat exchanger 15 and by heating tank 16, the air inlet of described waste gas combustion furnace 1 is connected on the gas outlet 13 of drying oven 5 by drying oven waste gas conveying fan 9 and oven dry heating by the exhaust gases room 2, the air inlet of described drying oven 5 is provided with fresh air conveying blower fan 10 and fresh air preheating chamber 3.
embodiment 2:as illustrated in fig. 1 and 2, tubular heat exchanger 11 and 12 is equipped with in described oven dry heating by the exhaust gases room 2 and fresh air preheating chamber 3.The air inlet of described drying oven 5 is connected on the heat-transfer pipe of the tubular heat exchanger 12 in fresh air preheating chamber 3, and the air inlet of described waste gas combustion furnace 1 is connected on the heat-transfer pipe of the tubular heat exchanger 11 of drying in heating by the exhaust gases room 2.
The waste gas of drying chamber 5, under the effect of waste gas conveying fan 9, is entered by exhaust gas inlet and dries heating by the exhaust gases device 2, and after preheating, oven dry waste gas enters waste gas combustion furnace 1 via oven dry waste gas pipeline road and carries out burning disposal under blower fan 9 acts on.Because waste gas have passed through preheating, make the heat needed for burning reduce, burn required time shorten completely, ensure that burned waste gas effect.
embodiment 3:as illustrated in fig. 1 and 2, bag filter 14 is provided with between described fresh air preheating chamber 3 and drying oven 5; Filtered out the solid particle polluter in air by bag filter 14, prevent the having an impact to sample in drying oven 5 of the solid particle in fresh air, affect the drying effect of sample.
embodiment 4:as shown in Figure 1, porous plate 18 together with described oven dry heating by the exhaust gases room is equipped with the inlet end of fresh air preheating chamber, described porous plate 18 is evenly distributed with the filter bores that multiple diameter is 50mm; Simply filtered by the high-temperature gas of the discharge in porous plate 18 pairs of waste gas combustion furnaces 1, the particle reduced after waste gas burning enters native system.
embodiment 5:as illustrated in fig. 1 and 2, one end of described heat-exchangers of the plate type 15 is connected on the hot water circulating pipeline of waste gas combustion furnace 1 water-cooled flue 8, and one end is connected on the heat cycles pipeline by heating tank 16.Because incinerator 1 adopts water-cooled flue 8, under the effect of burning heat energy, water is heated, hot water after heating returns be transported to heat-exchangers of the plate type 15 under the effect of hot water circulating pump after in water-cooled flue 8, both make the water in flue form the cyclic process of cooling, heating, heated again the tank liquor or other liquid that need heat outside.
embodiment 6:as shown in Figure 2, described water-cooled flue 8 is provided with water inlet system 17; Be convenient for changing the circulation insulation liquid in water-cooled flue 8 and transfer conduit by water inlet system 17, facilitate cleaning and the maintenance of system.
embodiment 7:method of work of the present utility model is as illustrated in fig. 1 and 2 as follows:
Waste gas from incinerator, under the effect of discharge blower fan 6, enters heat exchanger, discharge blower fan 6 and the discharge tube of drying heating by the exhaust gases device 2, fresh air preheating device 3, waste gas from incinerator conveyance conduit, degreasing heat exchanger 4 or other needs by the exhanst gas outlet of incinerator 1 and enters air.In the process, incinerator smoke passes through tubular heat exchanger 11 while heating, drying waste gas in heating by the exhaust gases device 2, makes self to realize first time cooling; Flue gas after cooling enters fresh air preheating device 3, passes through tubular heat exchanger 12 in fresh air preheating device 3 while heating fresh air, makes self to realize second time cooling; Flue gas after cooling enters degreasing heat exchanger 4 or other heat exchanger needed, and by tubular heat exchanger while heating degreaser or other need the medium of heating, makes self to realize third time cooling; Waste gas from incinerator after three coolings just enters air, makes delivery temperature reach environmental protection standard requirement.Fresh air is under fresh air conveying blower fan 10 acts on, enter fresh air preheating device 3, fresh air is air intake filter 14 simultaneously, after waste gas from incinerator heating, send into drying chamber 5, consume the phenomenon of drying chamber 5 heating energy source to ensure air balance in drying chamber 5 and avoid cold air directly to enter drying chamber 5.
It should be noted that, above-mentioned is only preferred embodiment of the present utility model, is not used for limiting protection domain of the present utility model, and equivalents done on the basis of above-described embodiment all belongs to protection domain of the present utility model.

Claims (7)

1. a drying oven waste gas utilization system, it is characterized in that, described drying oven waste gas utilization system comprises: waste gas combustion furnace, dry heating by the exhaust gases room, fresh air preheating chamber and degreasing heat exchanger, the gas outlet of described waste gas combustion furnace is successively through drying heating by the exhaust gases room, fresh air preheating chamber, finally be connected on degreasing heat exchanger, described waste gas combustion furnace is provided with water-cooled flue, described water-cooled flue is provided with connecting line and is connected to plate type heat exchanger and by heating tank, the air inlet of described waste gas combustion furnace is connected on the gas outlet of drying oven by drying oven waste gas conveying fan and oven dry heating by the exhaust gases room, the air inlet of described drying oven is provided with fresh air conveying blower fan and fresh air preheating chamber.
2. drying oven waste gas utilization system according to claim 1, is characterized in that, is equipped with tubular heat exchanger in described oven dry heating by the exhaust gases room and fresh air preheating chamber.
3. drying oven waste gas utilization system according to claim 2, it is characterized in that, the air inlet of described drying oven is connected on the heat-transfer pipe of the tubular heat exchanger in fresh air preheating chamber, and the air inlet of described waste gas combustion furnace is connected on the heat-transfer pipe of the tubular heat exchanger of drying heating by the exhaust gases indoor.
4. drying oven waste gas utilization system according to claim 1, is characterized in that, is provided with bag filter between described fresh air preheating chamber and drying oven.
5. drying oven waste gas utilization system according to claim 1, it is characterized in that, porous plate together with described oven dry heating by the exhaust gases room is equipped with the inlet end of fresh air preheating chamber, described porous plate is evenly distributed with the filter bores that multiple diameter is 50mm.
6. drying oven waste gas utilization system according to claim 1, is characterized in that, one end of described heat-exchangers of the plate type is connected on the hot water circulating pipeline of waste gas combustion furnace water-cooled flue, and one end is connected on the heat cycles pipeline by heating tank.
7. the drying oven waste gas utilization system according to claim 1 or 3 or 4 or 5 or 6, it is characterized in that, described water-cooled flue is provided with inlet pipeline.
CN201420676765.2U 2014-11-13 2014-11-13 Drying oven waste gas utilization system Expired - Fee Related CN204286041U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420676765.2U CN204286041U (en) 2014-11-13 2014-11-13 Drying oven waste gas utilization system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420676765.2U CN204286041U (en) 2014-11-13 2014-11-13 Drying oven waste gas utilization system

Publications (1)

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CN204286041U true CN204286041U (en) 2015-04-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106969636A (en) * 2017-03-22 2017-07-21 东风柳州汽车有限公司 Japanning drying oven emission-control equipment
CN109297322A (en) * 2018-08-27 2019-02-01 珠海格力电器股份有限公司 A kind of degreasing heat recovery apparatus
CN110961737A (en) * 2019-11-25 2020-04-07 佛山市泓实机械制造有限公司 Integrated production line degreasing brazing processing technology for air conditioner heat exchanger

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106969636A (en) * 2017-03-22 2017-07-21 东风柳州汽车有限公司 Japanning drying oven emission-control equipment
CN109297322A (en) * 2018-08-27 2019-02-01 珠海格力电器股份有限公司 A kind of degreasing heat recovery apparatus
CN109297322B (en) * 2018-08-27 2019-11-19 珠海格力电器股份有限公司 A kind of degreasing heat recovery apparatus
CN110961737A (en) * 2019-11-25 2020-04-07 佛山市泓实机械制造有限公司 Integrated production line degreasing brazing processing technology for air conditioner heat exchanger
CN110961737B (en) * 2019-11-25 2022-03-08 佛山市泓实机械制造有限公司 Integrated production line degreasing brazing processing technology for air conditioner heat exchanger

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150422

Termination date: 20211113