CN202199258U - Waste gas treatment device for scouring pad oven - Google Patents
Waste gas treatment device for scouring pad oven Download PDFInfo
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- CN202199258U CN202199258U CN201120308184XU CN201120308184U CN202199258U CN 202199258 U CN202199258 U CN 202199258U CN 201120308184X U CN201120308184X U CN 201120308184XU CN 201120308184 U CN201120308184 U CN 201120308184U CN 202199258 U CN202199258 U CN 202199258U
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Abstract
The utility model relates to a waste gas treatment device for a scouring pad oven, which is used for treating waste gas generated in oven process in scouring pad production step by step. With the adoption of the waste gas treatment device for the scouring pad oven, the defect that the waste gas treatment device in the prior art is not suitable for treatment of scouring pad waste gas. The treatment device comprises a first-level alkaline tower, a secondary-level alkaline tower and a third-level water spray tower which are sequentially arranged according to a waste gas route, wherein the third-level water spray tower is connected with an emptying device. A circulating device comprises a first-level alkaline solution circulating device corresponding to the first-level alkaline tower, a secondary-level alkaline solution circulating device corresponding to the secondary-level alkaline tower and a third-level water circulating device corresponding to the third-level alkaline tower. The oven waste gas generated in scouring pad oven production process is respectively treated by an oven waste gas treatment system, the oven waste gas is absorbed by the alkaline towers twice and is absorbed by the water spray tower once according to the content of particulate matters and organic matters in the oven waste gas, the treatment effect is good, and the treated waste gas can reach national emission standards.
Description
Technical field
The utility model relates to a kind of controlling device of waste gas, and especially a kind of waste gas that baking oven operation in the scouring pad production is produced carries out the scouring pad baking oven waste gas pollution control and treatment device of step-by-step processing.
Background technology
Scouring pad comprises industrial scouring pad, civilian scouring pad, contains sand scouring pad etc., is widely used in fields such as decoration, metal sanding and polishing, daily washing.
In the scouring pad production process, comprise spray glue and oven dry two-step in the main operation, this two-step can a large amount of waste gas of discharging in operating process.The waste gas that spray produces in the glue process mainly contains a certain amount of particle, and organic matters such as a spot of phenol, formaldehyde, and the EGT that produces in the baking operation is high, contains organic matters such as a large amount of phenol, formaldehyde, alcohols and a spot of particle.
At present; The waste gas that produces in the scouring pad production process produces comparatively serious pollution to ambient atmosphere; Also influence the living environment of surrounding resident, but therefore Shang Weiyou demands a kind of improvement technology of waste gas urgently and handles the waste gas that produces in the scouring pad production to these treatment of waste gas means.
The technical staff has also studied multiple relevant treatment of waste gas means, such as:
Patent Office of the People's Republic of China has announced a CN20207278U patent on April 27th, 2011; Name is called a kind of multifunctional all mix waste gas purifier; Exhaust gas flow direction is provided with charcoal absorption district, three unit in acid-alkali washing district and microbial cleaning district successively; Parallel connection is provided with row's activated carbon adsorption bed in the charcoal absorption district, and the top in acid-alkali washing district and microbial deodorant district is equipped with nozzle, is provided with the garland filler at the middle part in acid-alkali washing district, the bottom is a circulating absorption solution; The middle part in microbial deodorant district is provided with the volcanic rock biologic packing material, the bottom is the microorganism circulating absorption solution; Gas outlet at multifunctional all mix waste gas purifier is provided with mesh mist eliminator, the one side relative in the charcoal absorption district with the acid-alkali washing district, and acid-alkali washing district and microbial deodorant district are spaced from each other.Though this device has multiple processing capacity, still when handling, do not distinguish the source of waste gas, also can't handle simultaneously absorption liquid, not too be fit to the improvement of scouring pad waste gas.
Summary of the invention
The utility model has solved the defective that emission-control equipment of the prior art is not suitable for being applicable to the improvement of scouring pad waste gas, provides a kind of waste gas that produces to baking oven operation in the scouring pad production to carry out the scouring pad baking oven waste gas pollution control and treatment device of different modes combined treatment.
The utility model solves the technical scheme that its technical problem adopted: a kind of scouring pad baking oven waste gas pollution control and treatment device; Comprise treating apparatus and emptier; Treating apparatus is connected with EGR; Treating apparatus comprises one-level caustic wash tower, secondary caustic wash tower and the three grades of water spray columns that set gradually according to the waste gas course; Three grades of water spray columns link to each other with emptier, and EGR comprises the secondary alkali wash water EGR of the one-level alkali wash water EGR of corresponding one-level caustic wash tower, corresponding secondary caustic wash tower and three grades of water circle devices of corresponding three grades of spray columns.Contain volatile organic matter and a spot of particles such as more phenol, formaldehyde and isopropyl alcohol in the waste gas that produces in the baking oven operation; Can not organic matter in the waste gas and particle be removed through just once absorbing; Therefore want multistage absorption to remove; Remove volatile organic matter and a spot of particles such as most of phenol, formaldehyde and isopropyl alcohol through the absorption of one-level caustic wash tower, absorb remaining partial organic substances and particle through the secondary caustic wash tower again, absorb remaining volatile organic matter and particle by three grades of water spray columns at last; Discharge from aiutage at last, reach discharging standards; Make alkali wash water inside and outside the one-level caustic wash tower, constantly circulate through one-level alkali wash water EGR, make alkali wash water inside and outside the secondary caustic wash tower, constantly circulate, thereby guarantee the effect of caustic wash tower processing waste gas through secondary alkali wash water EGR; Handling the back can qualified discharge through emptier, and integrated operation is simple, and treatment effect is stable, and investment economizes, and management is controlled also more convenient.
As preferably; The bottom of one-level caustic wash tower is connected with induced duct; Induced duct connects the gas outlet of baking oven chamber; The top of one-level caustic wash tower links to each other with the bottom of secondary caustic wash tower through airduct, and the top of secondary caustic wash tower links to each other with the bottom of three grades of water spray columns through airduct, and the top of three grades of water spray columns links to each other with emptier through airduct.Induced duct causes the waste gas that the baking oven operation produces in the one-level caustic wash tower by the baking oven chamber; Waste gas is carried toward the top from the bottom of one-level caustic wash tower; In course of conveying, fully contact with alkali wash water; Most of volatile organic matter and particle in the alkali wash water absorbing waste gas are transferred in the secondary caustic wash tower by airduct again, carry toward the top and fully contact completion with alkali wash water from secondary caustic wash tower bottom again to absorb for the second time; Then be transported to three grades of water spray columns and accomplish absorption for the third time, directly be discharged in the atmosphere by emptier at last by airduct; In this process, waste gas repeatedly fully contacts with alkali wash water and contacts with shower water, the pollutant good absorbing effect in the waste gas, and absorptance is more complete.
As preferably, dump valve door, emergent blowdown stack and pressure difference transmitter are set on the induced duct before the one-level caustic wash tower, the dump valve door links to each other with emergent blowdown stack, and pressure difference transmitter links to each other with the dump valve door.Main be used with emptier, high-pressure suction fan is not worked or when being in the abnormal work state, the dump valve door is opened when the pressure difference switch in the emptier detects, and waste gas discharges from emergent blowdown stack.Pressure difference transmitter is monitored the blast of toxic emission in real time, and passes through the rotating speed of the signal frequency conversion adjusting high-pressure suction fan of feedback, keeps exhaust treatment system to have stable air quantity.
As preferably, one-level alkali wash water EGR comprises and one-level caustic wash tower bottom circulating water pool that links to each other and the graphite condenser that links to each other with circulating water pool through one-level alkali cleaning circulating pump, and the outlet bottom the graphite condenser links to each other with the top of one-level caustic wash tower.In circulation fluid and the waste gas contact process; The heat that waste gas carries exchanges with circulation fluid mutually, and the temperature of circulation fluid raises can influence the exhaust-gas treatment effect of circulation fluid, therefore will lower the temperature to circulation fluid; Also reduce simultaneously the temperature of waste gas, prevent that high temperature from impacting equipment.
As preferably, be connected with cooling tower on the graphite condenser, the water outlet of cooling tower links to each other with the inlet of graphite condenser bottom, and the water inlet of cooling tower links to each other with the outlet at graphite condenser top.Graphite condenser continues cooling to alkali wash water, and temperature passes to graphite condenser, therefore need be at the cooling water of the inner logical circulation of graphite condenser, and cooling water cycles through cooling tower and realizes.
As preferably; The top of secondary caustic wash tower is provided with spraying layer; The bottom of secondary caustic wash tower is provided with circulating slot, and spraying layer communicates in secondary caustic wash tower inside with circulating slot, and forms an alkali wash water circulation line with the outside secondary alkali wash water EGR of secondary caustic wash tower.Circulating slot becomes the memory unit of alkali cleaning circulation fluid; Also become simultaneously the place of the clarification of alkali cleaning circulation fluid, regeneration; In circulating slot, can the circulation fluid that pass through circulation be replied vigor again, guarantee that the circulation fluid that enters into the circulation cycle loop once more also has treatment effect.
As preferably, secondary caustic wash tower bottom is provided with magnetic turnover panel liquid level gauge, and is connected with the into magnetic valve of water in the bottom, on the pipeline of secondary alkali wash water EGR, connects the draining motor-driven valve; The bottom of three grades of water spray columns is provided with magnetic turnover panel liquid level gauge, and is connected with the into magnetic valve of water in the bottom, on the pipeline of three grades of water circle devices, is connected with the draining motor-driven valve.Magnetic turnover panel liquid level gauge can be monitored the volume of alkali wash water in the circulating slot, and carries out draining or water inlet through the magnetic valve of draining motor-driven valve or water inlet, so that keep the volume of alkali wash water in the circulating slot.
As preferably; One-level caustic wash tower bottom and secondary caustic wash tower bottom are connected with automatic medicine adding apparatus respectively; Automatic medicine adding apparatus comprises pH meter, drug storage groove and measuring pump; The electrode of pH meter is arranged on the water pipe of one-level alkali cleaning EGR on the water pipe with secondary alkali cleaning EGR, and the measuring pump import is connected with the drug storage groove, the measuring pump outlet bottom the one-level caustic wash tower with the secondary caustic wash tower bottom link to each other.After alkali wash water repeatedly circulated, concentration of lye reduced in the alkali wash water, and the pH value also can reduce, if do not replenish or adjust the effect that will reduce improvement, therefore alkali wash water was carried out the adjustment of concentration of lye through automatic medicine adding apparatus; PH meter can be monitored the situation of circulation fluid in real time, makes things convenient for Automatic Dosing.
As preferably, emptier comprises outlet directly and the aiutage of atmosphere, and the airduct of the air inlet of aiutage is provided with high pressure positive blower, on the airduct between caustic wash tower air outlet and the high pressure positive blower pressure difference switch is installed; The rear and front end of high pressure positive blower is respectively arranged with to be regulated air-valve and is flexible coupling, and is flexible coupling and is regulating between air-valve and the high pressure positive blower.Produce pressure by high pressure positive blower and satisfy the negative pressure requirement in the baking oven, increase pressure difference switch, can also monitor the operation conditions of high pressure positive blower at the high pressure positive blower front end.
The beneficial effect of the utility model is: the baking oven waste gas that produces in the corresponding respectively scouring pad baking oven of the baking oven exhaust treatment system production process is handled; Carry out twice caustic wash tower absorption and the absorption of primary water spray column according to baking oven waste gas internal particle thing and organic content; Having accomplished the safety of the waste gas that the baking oven operation produces in the scouring pad production process administers; Regulation effect is good, and waste gas after treatment can reach discharging standards.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Among the figure: 1, cooling tower, 2, the draining motor-driven valve, 3, tee pipe fitting, 4, graphite condenser, 5, the baking oven operation, 6, pressure difference transmitter; 7, one-level caustic wash tower, 8, thermocouple, 9, the drug storage groove, 10, airduct, 11, the secondary caustic wash tower, 12, three grades of water spray columns; 13, aiutage, 14, regulate air-valve, 15, be flexible coupling, 16, high pressure positive blower, 17, pressure difference switch, 18, water spray circulating pump; 19, magnetic turnover panel liquid level gauge, 20, magnetic valve, 21, the PH meter, 22, secondary alkali cleaning circulating pump, 23, measuring pump, 24, automatic medicine adding apparatus; 25, discharge switch, 26, circulating water pool, 27, one-level alkali cleaning circulating pump, 28, floating ball lever meter, 29, clarified water pump.
The specific embodiment
Pass through specific embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment: a kind of scouring pad baking oven waste gas pollution control and treatment device (referring to accompanying drawing 1) is distributed with successively the one-level caustic wash tower 7 that connects, secondary caustic wash tower 11, three grades of water spray columns 12 and aiutages 13 according to the waste gas course.The air inlet of one-level caustic wash tower links to each other with baking oven chamber in the baking oven operation 5 through induced duct; Dump valve door, emergent blowdown stack and pressure difference transmitter 6 are set on the induced duct; The dump valve door links to each other with emergent blowdown stack, and pressure difference transmitter links to each other with the dump valve door.The air outlet of one-level caustic wash tower links to each other with the air inlet of secondary caustic wash tower through airduct 10, and the air outlet of secondary caustic wash tower links to each other with the air inlet of three grades of water spray columns 12 through airduct, and the air outlet of three grades of water spray columns links to each other with aiutage 13 through airduct.The one-level caustic wash tower is connected with one-level alkali wash water EGR; One-level alkali wash water EGR comprises the circulating water pool 26 that links to each other with water outlet with the water inlet of one-level caustic wash tower; The water outlet and the water pipe between the circulating water pool of one-level caustic wash tower are provided with discharge switch 25, are connected with one-level alkali cleaning circulating pump 27 and graphite condenser 4 between the water inlet of the water outlet of circulating water pool and one-level caustic wash tower in turn.The water outlet of one-level alkali cleaning circulating pump connects the top water inlet of graphite condenser, and the bottom water outlet of graphite condenser connects the top spray layer of one-level caustic wash tower.Another group water inlet of graphite condenser is connected with glass fibre reinforced plastics cooling tower 1 through water pipe with water outlet, and the water inlet of clarified water pump 29 is connected with glass fibre reinforced plastics cooling tower, and the water outlet of clarified water pump 29 is connected with the water inlet of graphite condenser bottom.
One-level caustic wash tower outer setting automatic medicine adding apparatus 24.Automatic medicine adding apparatus 24 comprises pH meter 21, drug storage groove 9 and measuring pump 23; The electrode of pH meter 21 is arranged on the water pipe between the top water inlet of one-level alkali cleaning circulating pump water outlet and graphite condenser; The measuring pump import is connected with the drug storage groove, and the measuring pump outlet is connected with one-level caustic wash tower bottom cycle groove.With in the circulating water pool that the one-level caustic wash tower links to each other floating ball lever meter 28 is set, running water inserts circulating water pools through magnetic valve 20.On the water pipe between the delivery port of one-level alkali cleaning circulating pump and the water inlet of graphite condenser top a tee pipe fitting 3 is installed, and a draining motor-driven valve 2 is installed.A thermocouple 8 is installed on the airduct between the air outlet of one-level caustic wash tower and secondary caustic wash tower 11 air inlets.
The bottom of the bottom of secondary caustic wash tower and three grades of water spray columns is respectively arranged with circulating slot, is linked to be the alkali wash water closed circuit through water pipe between the circulating slot of secondary caustic wash tower bottom and the top spray layer.This alkali wash water closed circuit is provided with secondary alkali cleaning circulating pump 22, the termination secondary caustic wash tower top spray layer water inlet of secondary alkali cleaning circulating pump, another termination secondary caustic wash tower bottom cycle groove.Secondary caustic wash tower outer setting automatic medicine adding apparatus 24.Automatic medicine adding apparatus 24 comprises pH meter 21, drug storage groove 9 and measuring pump 23; The electrode of pH meter 21 is arranged on the water pipe between 22 water outlets of secondary alkali cleaning circulating pump and the water inlet of secondary caustic wash tower 11 top spray layers; Measuring pump 23 imports are connected with the drug storage groove, and the measuring pump outlet is connected with secondary caustic wash tower bottom cycle groove.The automatic medicine adding apparatus 24 of corresponding secondary caustic wash tower is same with the automatic medicine adding apparatus 24 of corresponding one-level caustic wash tower; These automatic medicine adding apparatus 24 inside have a dosing tank 9 and 23, two measuring pumps corresponding one-level caustic wash towers of difference of two measuring pumps and secondary caustic wash tower.Secondary caustic wash tower bottom cycle groove is provided with magnetic turnover panel liquid level gauge 19, and running water inserts secondary caustic wash tower bottom cycle groove through magnetic valve 20.A tee pipe fitting 3 is installed on the water pipe between the water outlet of secondary alkali cleaning circulating pump and the secondary caustic wash tower top spray layer, and a draining motor-driven valve 2 is installed.
Be linked to be closed circuit through water pipe between the circulating slot of three grades of water spray column bottoms and the top spray layer of three grades of water spray columns, this closed circuit is provided with water spray circulating pump 18.Three grades of water spray columns of one termination top spray layer water inlet of water spray circulating pump 18, three grades of water spray columns of another termination bottom cycle groove.Be provided with magnetic turnover panel liquid level gauge 19 in three grades of water spray column 12 bottom cycle grooves, running water inserts three grades of water spray column bottom cycle grooves through magnetic valve 20.On the water pipe between the water outlet of water spray circulating pump 18 and the three grades of water spray column top spray layers tee pipe fitting 3 is installed, and a draining motor-driven valve 2 is installed.Be provided with high pressure positive blower 16 between air-out of three grades of water spray columns and the aiutage air intake; A pressure difference switch 17 is installed on the air-out of three grades of water spray columns and the airduct between the high pressure positive blower; The rear and front end of high pressure positive blower is respectively arranged with to be regulated air-valve 14 and is flexible coupling 15, the direct and atmosphere of the air-out of aiutage.
Baking oven waste gas is sent into one-level caustic wash tower 7 through induced duct; Spray liquid is sent into the tube side cooling of graphite condenser 4 from circulating water pool 26 by the one-level alkali cleaning circulating pump 27 of one-level alkali wash water EGR; Getting into one-level caustic wash tower top again sprays; Whether discharge switch 25 monitoring spray is carrying out, and the tube side that the recirculated cooling water in the glass fibre reinforced plastics cooling tower 1 is sent into graphite condenser by clarified water pump 29 cools off the spray liquid of one-level caustic wash tower indirectly.According to the time interval of setting; Open the draining motor-driven valve 2 at tee pipe fitting 3 places on the one-level alkali cleaning circulating pump outlet conduit; The high-concentration waste water regulating reservoir of discharging one-level alkali cleaning circulation fluid to waste water station; Through the monitoring of floating ball lever meter 28, open the magnetic valve 20 of running water, circulating water pool is added water.The pH value of pH meter 21 monitoring spray liquids adds alkali lye through measuring pump 23 from drug storage groove 9, keep the pH value greater than 12.Be arranged on the thermocouple 8 on the airduct between one-level caustic wash tower and the secondary caustic wash tower, the effect of spray in the indirect control and supervision one-level caustic wash tower.Waste gas behind one-level caustic wash tower cooling spray gets into secondary caustic wash tower 11, and the top spray layer that spray liquid is sent into the secondary caustic wash tower by secondary alkali cleaning circulating pump 22 from secondary caustic wash tower bottom cycle groove sprays.The pH value of pH meter monitoring spray liquid adds alkali lye through measuring pump 23 from drug storage groove 9, keep the pH value greater than 12.According to the time interval of setting; Open the draining motor-driven valve 2 at tee pipe fitting 3 places on the secondary alkali cleaning circulating-pump outlet pipeline; The low concentration wastewater regulating reservoir of discharging secondary alkali cleaning circulation fluid to waste water station, and according to the liquid level change of magnetic turnover panel liquid level gauge 19 reflections, opens solenoid valve 20 is added running water.Waste gas after the alkali cleaning of secondary caustic wash tower gets into three grades of water spray columns 12, and the top spray layer that shower water is sent into three grades of water spray columns by water spray circulating pump 18 from three grades of water spray column bottom cycle grooves sprays.According to the time interval of setting; Open the draining motor-driven valve 2 at tee pipe fitting 3 places on water spray circulating pump 18 outlet conduits; The low concentration wastewater regulating reservoir of discharge water spray circulation fluid to waste water station, and according to the liquid level change of magnetic turnover panel liquid level gauge 19 reflections, opens solenoid valve 20 is added running water.Waste gas behind three grades of water spray columns, 12 sprays is sent into 20 meters high aiutage 13 high altitude discharges through high pressure positive blower 16, the pressure difference switch of installing on the airduct before the high pressure positive blower 16 17, and normally whether the monitoring high pressure positive blower operation.The pressure difference transmitter of installing on the induced duct of one-level caustic wash tower 7 front ends 6, the running frequency of coming the VFC high pressure positive blower according to the required negative pressure value of scouring pad production line.When the pressure difference switch in the emptier detects that high-pressure suction fan is not worked or during from the abnormal work state, the dump valve door is opened, waste gas is from emergent blowdown stack discharging.Pressure difference transmitter is monitored the blast of toxic emission in real time, and passes through the rotating speed of the signal frequency conversion adjusting high-pressure suction fan of feedback, keeps exhaust treatment system to have stable air quantity.Aiutage is established fender bracket, sampling platform, cat ladder and lightning arrester.
Above-described embodiment is a kind of preferred version of the utility model, is not the utility model is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Claims (9)
1. scouring pad baking oven waste gas pollution control and treatment device; Comprise treating apparatus and emptier; Treating apparatus is connected with EGR; It is characterized in that treating apparatus comprises one-level caustic wash tower, secondary caustic wash tower and the three grades of water spray columns that set gradually according to the waste gas course; Three grades of water spray columns link to each other with emptier, and EGR comprises the secondary alkali wash water EGR of the one-level alkali wash water EGR of corresponding one-level caustic wash tower, corresponding secondary caustic wash tower and three grades of water circle devices of corresponding three grades of spray columns.
2. scouring pad baking oven waste gas pollution control and treatment device according to claim 1; The bottom that it is characterized in that the one-level caustic wash tower is connected with induced duct; Induced duct connects the gas outlet of baking oven chamber; The top of one-level caustic wash tower links to each other with the bottom of secondary caustic wash tower through airduct, and the top of secondary caustic wash tower links to each other with the bottom of three grades of water spray columns through airduct, and the top of three grades of water spray columns links to each other with emptier through airduct.
3. scouring pad baking oven waste gas pollution control and treatment device according to claim 2; It is characterized in that being provided with on the preceding induced duct of one-level caustic wash tower dump valve door, emergent blowdown stack and pressure difference transmitter; The dump valve door links to each other with emergent blowdown stack, and pressure difference transmitter links to each other with the dump valve door.
4. according to claim 1 or 2 or 3 described scouring pad baking oven waste gas pollution control and treatment devices; It is characterized in that one-level alkali wash water EGR comprises and one-level caustic wash tower bottom circulating water pool that links to each other and the graphite condenser that links to each other with circulating water pool through one-level alkali cleaning circulating pump that the outlet of graphite condenser bottom links to each other with the top of one-level caustic wash tower.
5. scouring pad baking oven waste gas pollution control and treatment device according to claim 4 is characterized in that being connected with on the graphite condenser cooling tower, and the water outlet of cooling tower links to each other with the inlet of graphite condenser bottom, and the water inlet of cooling tower links to each other with the outlet at graphite condenser top.
6. scouring pad baking oven waste gas pollution control and treatment device according to claim 1; The top that it is characterized in that the secondary caustic wash tower is provided with spraying layer; The bottom of secondary caustic wash tower is provided with circulating slot; Spraying layer communicates in secondary caustic wash tower inside with circulating slot, and forms an alkali wash water circulation line with the outside secondary alkali wash water EGR of secondary caustic wash tower.
7. according to claim 1 or 2 or 3 or 6 described scouring pad baking oven waste gas pollution control and treatment devices; It is characterized in that secondary caustic wash tower bottom is provided with magnetic turnover panel liquid level gauge; And be connected with the into magnetic valve of water in the bottom, on the pipeline of secondary alkali wash water EGR, connect the draining motor-driven valve; The bottom of three grades of water spray columns is provided with magnetic turnover panel liquid level gauge, and is connected with the into magnetic valve of water in the bottom, on the pipeline of three grades of water circle devices, is connected with the draining motor-driven valve.
8. according to claim 1 or 2 or 3 or 6 described scouring pad baking oven waste gas pollution control and treatment devices; It is characterized in that one-level caustic wash tower bottom and secondary caustic wash tower bottom are connected with automatic medicine adding apparatus respectively; Automatic medicine adding apparatus comprises pH meter, drug storage groove and measuring pump; The electrode of pH meter is arranged on the water pipe of one-level alkali cleaning EGR on the water pipe with secondary alkali cleaning EGR, and the measuring pump import is connected with the drug storage groove, the measuring pump outlet bottom the one-level caustic wash tower with the secondary caustic wash tower bottom link to each other.
9. according to claim 1 or 2 or 3 or 6 described scouring pad baking oven waste gas pollution control and treatment devices; It is characterized in that emptier comprises the aiutage that exports direct and atmosphere; The airduct of the air inlet of aiutage is provided with high pressure positive blower, on the airduct between the spoken high pressure positive blower of caustic wash tower air-out pressure difference switch is installed; The rear and front end of high pressure positive blower is respectively arranged with to be regulated air-valve and is flexible coupling, and is flexible coupling and is regulating between air-valve and the high pressure positive blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120308184XU CN202199258U (en) | 2011-08-23 | 2011-08-23 | Waste gas treatment device for scouring pad oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120308184XU CN202199258U (en) | 2011-08-23 | 2011-08-23 | Waste gas treatment device for scouring pad oven |
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| Publication Number | Publication Date |
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| CN202199258U true CN202199258U (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120308184XU Expired - Lifetime CN202199258U (en) | 2011-08-23 | 2011-08-23 | Waste gas treatment device for scouring pad oven |
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| CN (1) | CN202199258U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105920964A (en) * | 2016-06-21 | 2016-09-07 | 太仓市顺邦防腐设备有限公司 | Waste gas and wastewater treatment system for electroplating industry |
| CN108619880A (en) * | 2018-07-24 | 2018-10-09 | 中电环保科技发展有限公司 | A kind of drying garbage flue gas processing device and its technique |
| CN109794157A (en) * | 2018-12-28 | 2019-05-24 | 苏州艾特斯环保设备有限公司 | A kind of incineration flue gas wet process deacidifying device and deacidifying flue gas technique |
| CN110302649A (en) * | 2019-07-29 | 2019-10-08 | 广州兴森快捷电路科技有限公司 | Soda acid emission-control equipment |
| CN110876888A (en) * | 2018-09-06 | 2020-03-13 | 碧水蓝天环境工程有限公司 | Thermal desorption tail gas treatment process and device in persistent organic soil remediation process |
-
2011
- 2011-08-23 CN CN201120308184XU patent/CN202199258U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105920964A (en) * | 2016-06-21 | 2016-09-07 | 太仓市顺邦防腐设备有限公司 | Waste gas and wastewater treatment system for electroplating industry |
| CN108619880A (en) * | 2018-07-24 | 2018-10-09 | 中电环保科技发展有限公司 | A kind of drying garbage flue gas processing device and its technique |
| CN110876888A (en) * | 2018-09-06 | 2020-03-13 | 碧水蓝天环境工程有限公司 | Thermal desorption tail gas treatment process and device in persistent organic soil remediation process |
| CN109794157A (en) * | 2018-12-28 | 2019-05-24 | 苏州艾特斯环保设备有限公司 | A kind of incineration flue gas wet process deacidifying device and deacidifying flue gas technique |
| CN110302649A (en) * | 2019-07-29 | 2019-10-08 | 广州兴森快捷电路科技有限公司 | Soda acid emission-control equipment |
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