CN103727548B - A kind of online low-radiation coating waste gas treatment device of APCVD - Google Patents
A kind of online low-radiation coating waste gas treatment device of APCVD Download PDFInfo
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- CN103727548B CN103727548B CN201310678781.5A CN201310678781A CN103727548B CN 103727548 B CN103727548 B CN 103727548B CN 201310678781 A CN201310678781 A CN 201310678781A CN 103727548 B CN103727548 B CN 103727548B
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Abstract
The open a kind of online low-radiation coating waste gas treatment device of APCVD of the present invention, comprises the frequency conversion exhaust gas fan (1), incinerator (2), high temperature electrostatic cleaning apparatus (3), washing tower (4), gravity dehydration device (5) and the induced draft fan (6) that are connected successively by pipeline, by the orderly cooperation of each emission-control equipment, process high temperature, acidity, containing dirt, fluorine-containing plated film waste gas, washing tower (4) waste liquid outlet and gravity dehydration device (5) water outlet are also communicated with back pool (9), back pool (9) forms circulation path by liquid absorbing pump (13) and cooling tower (14) with for liquid pool (8), make unreacted alkali lye recycle completely in washing tower (4), waste liquid after reacting completely is evacuated to pressure filter (16) through slush pump (15), by the solid-liquid separation of pressure filter (16), incinerator (2) burn processing is sprayed into through waste water pump (17) again after making filtrate enter wastewater disposal basin (10), filter residue recoverable, thus achieve the circularly purifying producing waste water in plated film waste gas treatment process, reach the object of non-pollution discharge.
Description
Technical field
The present invention relates to industrial gaseous waste process field, specifically a kind of online low-radiation coating waste gas treatment device of APCVD.
Background technology
In recent years, along with the development of city industry, a large amount of discharges of waste gas, topsoil is day by day serious; Glass industry exists the problem of exhaust gas emission equally, in order to optimize Air quality, waste gas has to pass through purifying treatment before discharging, especially for the waste gas produced in the online low-emission coated production process of APCVD, this exhaust gas constituents more complicated is the mixing of organic composition and inorganic components, concentration is higher, temperature is higher, have severe corrosive, and the harm of environment and human body is very big; Purifying method conventional at present has high temperature incineration method, physisorphtion, condensation absorption method, biological process etc., and high temperature incineration method by carrying out decomposing, purifying process in an environment of high temperature to waste gas, and in purification organic gas, effect is remarkable; Physisorphtion has the advantages such as removal efficiency height, energy consumption is low, treatment process is ripe, but physical adsorption performance in hot environment easily reduces, and concentration relatively Gao Shihui cause adsorption hole to block, cause purification efficiency to decline; Condensation absorption method is by controlling service temperature under VOC condensation below VOC boiling point, this method can reclaim each material in waste gas in high-level efficiency ground, make it turn waste into wealth, but this purification system needs the temperature to waste gas, pressure accurately to control, difficulty is relatively big, and the on-line coating off gas treatment efficiency for complicated component is lower;Although biological process is successful when purifying low-concentration organic pollutant, but have that vapour lock is big, degradation rate is slow, equipment volume is huge, not remarkable for process high density high-temperature gas effect; Above-mentioned several treatment process has its limitation, all cannot meet the online low-emission coated off gas treatment requirement of APCVD in glass industry, and for the direct discharging of waste water produced in waste gas treatment process, causes water pollutions simultaneously.
Summary of the invention
It is an object of the invention to provide a kind of online low-radiation coating waste gas treatment device of APCVD, this emission-control equipment can process simultaneously high temperature, acidity, containing dirt, fluorine-containing plated film waste gas, the simple efficiency height of structure, and the waste water produced in treating processes can be carried out circularly purifying, reach the object of non-pollution discharge.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of online low-radiation coating waste gas treatment device of APCVD, comprise the blower fan, incinerator and the washing tower that are connected successively by connecting tube, and by automatic medicine adding apparatus, confession liquid pool and lye pump that pipeline is connected successively, alkali lye pump outlet is connected with the top of washing tower; Described incinerator air outlet and washing tower enter to be connected with between gas port high temperature electrostatic cleaning apparatus, and described washing tower air outlet is connected with gravity dehydration device, and the air outlet of gravity dehydration device is connected with induced draft fan; It is connected by connecting tube between described each device and ensures the olderly flowage of waste gas.
Further, top and the bottom of incinerator sidewall be located at respectively by the burner of described incinerator, and top burner is positioned at the different sides of incinerator from lower burner.
Further, it is filled with metal Pall ring in described washing tower.
Further, described emission-control equipment also comprises the back pool being connected respectively with washing tower waste liquid outlet and gravity dehydration device water outlet, is provided with liquid absorbing pump and cooling tower successively, and forms circulation path by connecting tube between back pool and confession liquid pool; The waste liquid that washing tower is carried is introduced cooling tower by liquid absorbing pump by back pool, and waste liquid returns for liquid pool after cooling tower cools; Bring out mouth under described back pool and it is connected with the slush pump for drawing mud bottom back pool.
Further, the outlet of described slush pump is connected with pressure filter and the wastewater disposal basin of separation mud in turn by connecting tube; Wastewater disposal basin outlet is communicated with waste water pump, and waste water pump outlet is connected with the sidewall of incinerator by pipeline.
Further, described incinerator sidewall is provided with waste water atomizing nozzle, and described waste water pump outlet is connected with waste water atomizing nozzle by pipeline.
In such scheme, the dust that high temperature electrostatic cleaning apparatus can adsorb in high-temp waste gas after incinerator burning disposal, need not carry out cooling process to waste gas; Metal Pall ring can increase the turbulivity of waste gas, ensures that waste gas fully contacts with the alkali lye led in washing tower, reacts completely and foam that gas liquid reaction can be stoped to generate enters pipeline with air-flow; Gravity dehydration device makes the separation of the waste gas water through purification, vapour; The waste water that back pool is separated for the alkali lye and gravity dehydration device reclaiming not fully reaction in washing tower, and reenter for liquid pool recycle; Pressure filter is for separating of the solid dust mud in waste water after reacting completely, and filtrate is arranged in wastewater disposal basin, and then sends into and burn purification, filter residue recoverable in incinerator; Owing to top burner and lower burner are positioned at the different sides of incinerator, it is possible to make the waste water of stove combustion and waste gas produce burning whirlpool so that it is the more uniform temperature of burning, burning is more fully thoroughly.
The invention has the beneficial effects as follows, the waste gas produced in the online low-emission coated process of APCVD is made to flow through incinerator, high temperature electrostatic cleaning apparatus, washing tower and gravity dehydration device successively, by the orderly cooperation of each emission-control equipment, process high temperature, acidity, containing dirt, fluorine-containing plated film waste gas, purification efficiency height, structure simply is easy to realize and replaces;By back pool by unreacted waste liquid introducing completely for liquid pool recycle, and introduce incinerator after being separated by the waste water reacted completely with wastewater disposal basin by pressure filter and burn purification, achieve the circularly purifying producing waste water in waste gas treatment process, reach the object of non-pollution discharge.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described:
Fig. 1 is the structural representation of the present invention.
Embodiment
As shown in Figure 1, frequency conversion exhaust gas fan 1, incinerator 2, high temperature electrostatic cleaning apparatus 3, washing tower 4, gravity dehydration device 5 and induced draft fan 6, successively by pipeline communication, ensure the olderly flowage of waste gas; Top and the bottom of incinerator 2 sidewall be located at respectively by the burner of incinerator 2, and top burner 21 is positioned at the different sides of incinerator 2 from lower burner 22; Plated film waste gas enters incinerator 2 by frequency conversion exhaust gas fan 1, open the upper switch-valve 211 of top burner 21 with the setting of lower burner 22 inlet end and lower switch-valve 221 respectively, fuel is introduced incinerator 2 by incendiary pencil 18, plated film waste gas is carried out combustion decomposition process; Owing to top burner 21 side different from lower burner 22 is arranged, making the waste gas of stove combustion produce burning whirlpool so that it is the more uniform temperature of burning, more fully thoroughly, the waste residue that burning produces is discharged by incinerator 2 bottom deslagging mouth 24 in burning;
Plated film waste gas enters after combustion decomposition processes to enter high temperature electrostatic cleaning apparatus 3, and high temperature electrostatic cleaning apparatus 3, to dust-laden exhaust gas electrostatic precipitation, need not carry out cooling process, and dust is discharged by the ash output hole of bottom;
Waste gas after dedusting enters washing tower 4, and automatic medicine adding apparatus 11, confession liquid pool 8 are connected by pipeline successively with lye pump 7, and the outlet of lye pump 7 is connected with washing tower 4 top; Automatic medicine adding apparatus 11 adds alkaline matter to in liquid pool 8, and is uniformly mixed with water by the agitator 12 being located in washing tower 4; Stir uniform alkali lye and introduce washing tower 4 by lye pump 7, the acid waste gas containing fluoride entering washing tower 4 is carried out depickling and removes fluorine; Metal Pall ring 41 it is filled with in washing tower 4, the turbulivity of waste gas can be increased, reaching the effect of fully reaction purification, occur to produce foam during reaction due to waste gas and alkali lye, the filling of metal Pall ring 41 can also effectively stop foam to enter outlet pipe with air-flow;
Waste gas through washing tower 4 purifying treatment contains steam, is led to and realizes steam separation into gravity dehydration device 5, and the Purge gas after separation enters air by induced draft fan 6, it is achieved purifying treatment high temperature, acidity, containing the object of dirt, fluorine-containing plated film waste gas;
Washing tower 4 waste liquid outlet and gravity dehydration device 5 water outlet are connected with back pool 9, the alkali lye of fully reaction in washing tower 4 and gravity dehydration device 5 steam be separated after waste liquid flow into back pool 9 through pipeline; It is provided with liquid absorbing pump 13 and cooling tower 14 successively between back pool 9 and confession liquid pool 8, and forms circulation path by connecting tube; Waste liquid introduces cooling tower 14 by liquid absorbing pump 13, and waste liquid returns for liquid pool 8 after cooling tower 14 cools, it is achieved the cycling and reutilization of waste liquid; Back pool brings out mouth for 9 times and is connected with slush pump 15, the outlet of slush pump 15 is connected with pressure filter 16 and wastewater disposal basin 10 in turn by connecting tube, can not continue again to use after the waste water reaction of recycle is complete, pressure filter 16 is for separating of the solid dust mud in waste water after reacting completely, filtrate is arranged in wastewater disposal basin 10, filter residue recoverable;The outlet of wastewater disposal basin 10 is connected with waste water pump 17, and be connected by the sidewall of pipeline with incinerator 2, the waste water entering wastewater disposal basin 10 is by burning purification in waste water pump 17 suction incinerator 2, the sidewall of incinerator 2 is also provided with the waste water atomizing nozzle 23 being connected with waste water pump 17, the waste water entered in incinerator 2 can be done atomization process, make it abundant in incinerator 2 combustion, thus achieve the circularly purifying producing waste water in plated film waste gas treatment process, reach the object of non-pollution discharge.
The above is only the better embodiment of the present invention, and the present invention not does any restriction in form; Any those of ordinary skill in the art, do not departing from technical solution of the present invention scope situation, all can utilize the Method and Technology content of above-mentioned announcement that technical solution of the present invention is made many possible variations and modification, or be revised as the equivalent embodiment of equivalent variations. Therefore, every content not departing from technical solution of the present invention, to any simple modification made for any of the above embodiments, equivalent replacement, equivalence change and modifies according to the technical spirit of the present invention, all still belongs in the scope of technical solution of the present invention protection.
Claims (3)
1. the online low-radiation coating waste gas treatment device of APCVD, comprise the frequency conversion exhaust gas fan (1) being connected successively by connecting tube, incinerator (2) and washing tower (4), and by automatic medicine adding apparatus (11) that pipeline is connected successively, for liquid pool (8) and lye pump (7), the outlet of lye pump (7) is connected with the top of washing tower (4), it is characterized in that, the air outlet of described incinerator (2) and washing tower (4) enter to be connected with between gas port high temperature electrostatic cleaning apparatus (3), the air outlet of described washing tower (4) is connected with gravity dehydration device (5), the air outlet of gravity dehydration device (5) is connected with induced draft fan (6), it is connected by connecting tube between described each device and ensures the olderly flowage of waste gas, top and the bottom of incinerator (2) sidewall be located at respectively by the burner of described incinerator (2), and top burner (21) is positioned at the different sides of incinerator (2) from lower burner (22), metal Pall ring (41) it is filled with in described washing tower (4), described emission-control equipment also comprises the back pool (9) being connected respectively with washing tower (4) waste liquid outlet and gravity dehydration device (5) water outlet, it is provided with liquid absorbing pump (13) and cooling tower (14) between back pool (9) and confession liquid pool (8) successively, and forms circulation path by connecting tube, the waste liquid that washing tower (4) and gravity dehydration device (5) are carried by back pool (9) introduces cooling tower (14) by liquid absorbing pump (13), and waste liquid returns for liquid pool (8) after cooling tower (14) cools, bring out mouth under described back pool (9) and it is connected with the slush pump (15) for drawing back pool (9) bottom mud.
2. a kind of online low-radiation coating waste gas treatment device of APCVD according to claim 1, it is characterized in that, the outlet of described slush pump (15) is connected with the pressure filter for separating of mud (16) and wastewater disposal basin (10) in turn by connecting tube; The outlet of wastewater disposal basin (10) is communicated with waste water pump (17), and the outlet of waste water pump (17) is connected by the sidewall of pipeline with incinerator (2).
3. a kind of online low-radiation coating waste gas treatment device of APCVD according to claim 2, it is characterized in that, the sidewall of described incinerator (2) is provided with waste water atomizing nozzle (23), and the outlet of described waste water pump (17) is connected with waste water atomizing nozzle (23) by pipeline.
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| CN201310678781.5A CN103727548B (en) | 2013-12-14 | 2013-12-14 | A kind of online low-radiation coating waste gas treatment device of APCVD |
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| CN201310678781.5A CN103727548B (en) | 2013-12-14 | 2013-12-14 | A kind of online low-radiation coating waste gas treatment device of APCVD |
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| CN103727548B true CN103727548B (en) | 2016-06-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105509068B (en) * | 2016-01-29 | 2017-09-01 | 苏州新区环保服务中心有限公司 | The environment protection emission processing system of industrial waste liquid |
| CN108119904B (en) * | 2017-12-15 | 2019-10-29 | 长兴旗滨玻璃有限公司 | A kind of online solar control coated glass exhaust gas processing device and its treatment process |
| CN108889760A (en) * | 2018-05-09 | 2018-11-27 | 陈善堂 | A kind of regeneration device and application method of Oil Paint Slag |
| CN108397783A (en) * | 2018-05-10 | 2018-08-14 | 云汇环保科技南通有限公司 | A kind of exhaust fume catalytic oxidizing process special purpose reactor |
| CN108970349B (en) * | 2018-07-18 | 2021-04-27 | 武汉理工大学 | Marine diesel engine tail gas desulfurization and denitrification integrated device and method |
| CN109289422A (en) * | 2018-11-14 | 2019-02-01 | 东台中玻特种玻璃有限公司 | Online Low-E glass barrier layer exhaust treatment system and exhaust gas treating method |
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