CN212068327U - Organic waste gas treatment device based on strong electric field - Google Patents
Organic waste gas treatment device based on strong electric field Download PDFInfo
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Abstract
The utility model relates to an organic waste gas treatment device based on strong electric field, including the device body, the inside water storage area, ventilation zone, first water spray area, ionization area and second water spray area of being provided with from bottom to top of device body, be provided with honeycomb type anode plate and with the cathode felting needle of honeycomb type anode plate complex in the ionization area, be provided with first spray set in the first water spray area, be provided with the second spray set in the second water spray area, first spray set with the second spray set pass through power device with the water storage area communicates; the device body is provided with an air inlet communicated with the ventilating area and an induced air pipeline communicated with the water spraying area, and an induced draft fan is installed on the induced air pipeline. The utility model provides an organic waste gas treatment device based on strong electric field handles organic waste gas's efficient.
Description
Technical Field
The utility model belongs to the technical field of the exhaust-gas treatment technique and specifically relates to an organic waste gas treatment device based on strong electric field.
Background
With the rapid development of industry, people's requirements for exhaust emission are gradually increased, and the existing exhaust treatment methods include the following methods:
1. condensation recovery method: the organic waste gas is directly led into a condenser to be absorbed, decomposed and separated, and valuable organic matters can be recovered, and the method is suitable for working conditions of high concentration, low temperature and small air volume of the organic waste gas and needs attached refrigeration equipment;
2. adsorption method, organic waste gas is adsorbed by active carbon;
3. the direct combustion method comprises the following steps: auxiliary fuel such as gas or fuel oil is used for combustion, and the mixed gas is heated, so that harmful substances are decomposed into harmless substances under the action of high temperature;
4. absorption method: generally, physical absorption is adopted, namely, waste gas is introduced into absorption liquid for purification, and after the absorption liquid is saturated, the waste gas is heated, analyzed, condensed and recycled;
5. the catalytic method comprises the following steps: the waste gas is heated and converted into harmless and odorless carbon dioxide and water through catalytic combustion.
The catalytic method is widely applied due to the advantages of energy conservation, high purification rate, convenient operation, small occupied area and the like, the effect of treating high waste gas by the method can meet the standard of industrial waste gas emission, but the efficiency needs to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an organic waste gas treatment method and device based on strong electric field to solve foretell at least one technical problem.
One technical scheme of the application is as follows: an organic waste gas treatment device based on a strong electric field comprises a device body, wherein a water storage area, a ventilation area, a first water spraying area, an ionization area and a second water spraying area are arranged in the device body from bottom to top, a honeycomb type anode plate and a cathode felting needle matched with the honeycomb type anode plate are arranged in the ionization area, a first spraying device is arranged in the first water spraying area, a second spraying device is arranged in the second water spraying area, and the first spraying device and the second spraying device are communicated with the water storage area through a power device; the device body is provided with an air inlet communicated with the ventilating area and an induced air pipeline communicated with the water spraying area, and an induced draft fan is installed on the induced air pipeline.
Preferably, a connecting pipe is arranged on the device body, one end of the connecting pipe is communicated with the water storage area, the other end of the connecting pipe is communicated with the second spraying device, a circulating pump is arranged on the connecting pipe, a bypass pipe is arranged between the circulating pump and the second spraying device on the connecting pipe, a first dosing port is arranged on the bypass pipe, and the first dosing port is connected with a first dosing device; and a second dosing port is arranged between the bypass pipe and the second spraying device on the connecting pipe, and is connected with a second dosing device.
Preferably, an adsorption device is installed between the ventilation zone and the first water spray zone.
Preferably, the bottom of the device body is provided with a drain outlet communicated with the water storage area, a drain pipe is installed on the drain outlet, and a drain valve is arranged on the drain pipe.
The utility model provides an organic waste gas treatment device based on strong electric field is when using, sprays water downwards after rising through the water extraction in power device with the retaining district for first spray set spun water can with the waste gas contact through first water spray district, carries out the pretreatment to waste gas, for example get rid of the organic matter of dissolving in water or through the hydrogen sulfide (H) of the mode of adding medicine in to waste gas2S) or heavy metal treatment and the like, wherein water sprayed by the second spraying device passes through an ionization region to form water mist, water drops or a water film; electrifying the honeycomb type anode plate and the cathode felting needle to enable air and water in the ionization region to be ionized to generate ozone and hydroxyl radicals, simultaneously starting the induced draft fan to enable waste gas to pass through the ionization region, degrading the waste gas by utilizing the ozone and the hydroxyl radicals, and providing raw materials for ionized air by oxygen in the waste gas and sprayed water mist in the process.
The device has the following advantages:
the efficiency of treating organic waste gas is high: air in the ionization region can be fully contacted with water mist formed in the ionization region and water drops or water films on the anode plate, and a large amount of ozone and hydroxyl free radicals can be generated by electrifying the honeycomb anode plate and the cathode felting needles and can rapidly react with organic matters in waste gas contacted with the water mist, the water drops or the water films to degrade the organic matters, so that the waste gas treatment efficiency is high.
Another technical scheme of the application is as follows: an organic waste gas treatment device based on a strong electric field comprises a first device body and a second device body, wherein a first water storage area, a ventilation area, a first water spraying area, an ionization area and a gas conversion area are arranged in the first device body from bottom to top; a honeycomb type anode plate and a cathode pricker matched with the honeycomb type anode plate are arranged in the ionization area, a first spray device is arranged in the first water spray area, a second spray device is arranged in the second water spray area, the first spray device is communicated with the first water storage area through a first power device, and the second spray device is communicated with the second water storage area through a second power device; an air inlet communicated with the ventilation area is formed in the first device body; and an induced draft pipeline communicated with the second water spraying area is arranged on the second device body, and an induced draft fan is arranged on the induced draft pipeline.
Preferably, a first connecting pipe is arranged on the first device body, one end of the first connecting pipe is communicated with the first water storage area, the other end of the first connecting pipe is communicated with the first spraying device, a first circulating pump and a first dosing port are arranged on the first connecting pipe, and the first dosing port is connected with a first dosing device; the second device body is provided with a second connecting pipe, one end of the second connecting pipe is communicated with the second water storage area, the other end of the second connecting pipe is communicated with the second spraying device, the second connecting pipe is provided with a second circulating pump and a second dosing port, and the second dosing port is connected with a second dosing device.
Preferably, a first adsorption device is arranged between the ventilation area and the first water spraying area; and a second adsorption device is installed in the second water spraying area, the second spraying device is positioned above the second adsorption device, and an air inlet of the induced air pipeline is positioned below the second adsorption device.
Preferably, a heating device is installed between the air inlet of the induced air pipeline and the second adsorption device.
Preferably, the bottom of the first device body and the bottom of the second device body are both provided with a sewage draining exit communicated with the first water storage area, the sewage draining exit is provided with a sewage draining pipe, and the sewage draining pipe is provided with a sewage draining valve.
The utility model provides an organic waste gas treatment device based on strong electric field is when using, through the water lift back water spray downwards in first power device with first water storage district for first spray set spun water can with the waste gas contact through first water spray district, carry out the pretreatment to waste gas, for example get rid of the organic matter of dissolving in water or through the hydrogen sulfide (H) of the mode of adding medicine in to waste gas2S) or heavy metal treatment and the like, the water in the second water storage area is lifted by the second power device and then is sprayed downwards, so that the water sprayed by the second spraying device is contacted with the waste gas passing through the ionization area, the waste gas is treated again, meanwhile, the induced draft fan is started, the waste gas passes through the ionization area, the waste gas is degraded by ozone and hydroxyl radicals, and oxygen and water vapor in the waste gas provide raw materials for ionized air in the process.
The device has the following advantages:
the efficiency of treating organic waste gas is high: the honeycomb type anode plate and the cathode pricker are electrified to generate a large amount of ozone, the ozone reacts with organic matters in the waste gas to degrade the organic matters, the waste gas passing through the ionization region is contacted with water sprayed by the second spraying device, the residual ozone is contacted with the water to generate hydroxyl radicals, the waste gas can be treated again, and the waste gas treatment efficiency is high.
The application adopts a further technical scheme that: the organic waste gas treatment method based on the strong electric field comprises the following steps:
and 2, electrifying the honeycomb type anode plate and the cathode pricker to ionize air in the ionization region to generate ozone, and simultaneously starting the induced draft fan to enable waste gas to pass through the ionization region to degrade the waste gas by using the ozone.
The utility model provides an organic waste gas treatment method based on strong electric field utilizes foretell organic waste gas treatment device based on strong electric field, produces ozone through high-pressure ionization's mode and carries out degradation treatment to waste gas, handles organic waste gas's efficient.
Drawings
Fig. 1 is a schematic structural view of an organic exhaust gas treatment device based on a strong electric field according to example 1, in which the flow direction of gas or liquid is schematically indicated by arrows;
FIG. 2 is a schematic structural view of an organic exhaust gas treatment device based on a strong electric field according to example 2, in which the flow direction of gas or liquid is schematically indicated by arrows;
FIG. 3 is a schematic view of a portion of the structure of FIG. 2;
wherein the reference numbers: the device comprises a device body 1, a first device body 1a, a second device body 1b, a water storage area 2, a first water storage area 2a, a second water storage area 2b, a ventilation area 3, a first water spraying area 4, an ionization area 5, a second water spraying area 6, a gas conversion area 6a, a honeycomb anode plate 7, a cathode pricker 8, a first spray head 9, a second spray head 10, a bell mouth 11, an air induction pipeline 12, an air inlet 12a of the air induction pipeline, an induced draft fan 13, a connecting pipe 14, a first connecting pipe 14a, a second connecting pipe 14b, a circulating pump 15, a first circulating pump 15a, a second circulating pump 15b, a bypass pipe 16, a first medicine adding device 17, a second medicine adding device 18, an adsorption device 19, a first adsorption device 19a, a second adsorption device 19b, a sewage discharge pipe 20, a sewage discharge valve 21, a water baffle 22, a first support 22a, a second support 22b, a third support 22c, a fourth support 22d, A heating device 23.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1, the present invention provides an organic waste gas treatment device based on a strong electric field, referring to fig. 1, comprising a device body 1, the device body is internally provided with a water storage area 2, a ventilation area 3, a first water spraying area 4, an ionization area 5 and a second water spraying area 6 from bottom to top, a honeycomb type anode plate 7 and a cathode pricker 8 matched with the honeycomb type anode plate are arranged in the ionization area, a first spraying device is arranged in the first water spraying area, a second spraying device is arranged in the second water spraying area, the first spraying device and the second spraying device are communicated with the water storage area through a power device, the first spraying device is preferably a first spray head 9 in the embodiment, the second spraying device is preferably a second spray head 10, the second spray head is positioned lower than the air inlet of the air guide pipeline so as to prevent water from being sprayed into the air guide pipeline when water is sprayed; be provided with on the device body with the income wind gap of ventilation district intercommunication, income wind gap generally is connected with horn mouth 11 to waste gas inhales, and the setting of horn mouth is known to the technical personnel in the art, and here does not do specifically and prescribe a limit to, still is provided with on the device body induced duct 12 of water spray district intercommunication, install draught fan 13 on the induced duct.
The utility model provides an organic waste gas treatment device based on strong electric field is when using, sprays water downwards after rising through the water extraction in power device with the retaining district for first spray set spun water can with the waste gas contact through first water spray district, carries out the pretreatment to waste gas, for example get rid of the organic matter of dissolving in water or through the hydrogen sulfide (H) of the mode of adding medicine in to waste gas2S) or heavy metal treatment and the like, wherein water sprayed by the second spraying device passes through an ionization region to form water mist, water drops or a water film; electrifying the honeycomb type anode plate and the cathode felting needle to separate air and water in the ionization region to generate ozone and hydroxyl radicals, simultaneously starting the induced draft fan to enable waste gas to pass through the ionization region, degrading the waste gas by utilizing the ozone and the hydroxyl radicals, and providing the original oxygen and the sprayed water mist in the waste gas for ionized air in the processAnd (5) feeding.
The device has the following advantages:
the efficiency of treating organic waste gas is high: air in the ionization region can be fully contacted with water mist formed in the ionization region and water drops or water films on the anode plate, and a large amount of ozone and hydroxyl free radicals can be generated by electrifying the honeycomb anode plate and the cathode felting needles and can rapidly react with organic matters in waste gas contacted with the water mist, the water drops or the water films to degrade the organic matters, so that the waste gas treatment efficiency is high.
The following is a table comparing the effects of the device and the prior device for treating waste gas by a catalytic method
As a preferable scheme, a connecting pipe 14 is arranged on the device body, one end of the connecting pipe is communicated with the water storage area, the other end of the connecting pipe is communicated with the second spraying device, a circulating pump 15 is arranged on the connecting pipe as a power device, and in consideration of the complexity of a plurality of refractory organic matters, the applicant arranges a bypass pipe 16 between the circulating pump and the second spraying device on the connecting pipe, a first dosing port is arranged on the bypass pipe, and the first dosing port is connected with a first dosing device 17; the connecting pipe is provided with a second dosing port between the bypass pipe and the second spraying device, the second dosing port is connected with a second dosing device 18, the first dosing device and the second dosing device can use the existing dosing device, the first dosing device is mainly used for preprocessing waste gas, for example, adding alkaline medium to hydrogen sulfide (H) in the waste gas2S) or heavy metal treatment, the second dosing device is mainly used for adding ferrous sulfate or Fenton preparation to the spray water when necessary.
In order to facilitate the treatment of the exhaust gas, an adsorption device 19 such as a packing may be further installed between the ventilation zone and the first water spray zone, so that the exhaust gas can be treated more cleanly by adsorbing bad smells and the like in the exhaust gas through the adsorption device.
In order to facilitate sewage discharge, the bottom of the device body is provided with a sewage discharge port communicated with the water storage area, a sewage discharge pipe 20 is installed on the sewage discharge port, and a sewage discharge valve 21 is arranged on the sewage discharge pipe.
Embodiment 2, the utility model also provides another organic waste gas treatment device based on strong electric field, see fig. 2, including first device body 1a and second device body 1b, first retaining area 2a, ventilation zone 3, first water spray area 4, ionization zone 5 and gas conversion zone 6a are provided from bottom to top in the first device body, second retaining area 2b and second water spray area 6 are provided from bottom to top in the second device body, the second water spray area is communicated with the gas conversion zone; a honeycomb anode plate 7 and a cathode pricker 8 matched with the honeycomb anode plate are arranged in the ionization region, a first spray device is arranged in the first water spray region, a second spray device is arranged in the second water spray region, the first spray device is communicated with the first water storage region through a first power device, the second spray device is communicated with the second water storage region through a second power device, in the embodiment, the first spray device is preferably a first spray head 9, and the second spray device is preferably a second spray head 10; be provided with on the first device body with the income wind gap of ventilation zone intercommunication, income wind gap generally is connected with horn mouth 11 to waste gas inhales, and the setting of horn mouth is known to the technical personnel in the art, and specific the injecing is not done here, be provided with on the second device body with the induced air pipeline 12 of second water spray zone intercommunication, install draught fan 13 on the induced air pipeline.
The utility model provides an organic waste gas treatment device based on strong electric field is when using, through the water lift back water spray downwards in first power device with first water storage district for first spray set spun water can with the waste gas contact through first water spray district, carry out the pretreatment to waste gas, for example get rid of the organic matter of dissolving in water or through the hydrogen sulfide (H) of the mode of adding medicine in to waste gas2S) or heavy metal treatment and the like, the water in the second water storage area is lifted by the second power device and then is sprayed downwards, so that the water sprayed by the second spraying device is contacted with the waste gas passing through the ionization area to carry out retreatment on the waste gas,and simultaneously, the induced draft fan is started to enable the waste gas to pass through the ionization region, the ozone and the hydroxyl free radicals are utilized to degrade the waste gas, and oxygen and water vapor in the waste gas provide raw materials for ionized air in the process.
The device has the following advantages:
the efficiency of treating organic waste gas is high: the honeycomb type anode plate and the cathode pricker are electrified to generate a large amount of ozone, the ozone reacts with organic matters in the waste gas to degrade the organic matters, the waste gas passing through the ionization region is contacted with water sprayed by the second spraying device, the residual ozone is contacted with the water to generate hydroxyl radicals, the waste gas can be treated again, and the waste gas treatment efficiency is high.
The following is a table comparing the effects of the device and the prior device for treating waste gas by a catalytic method
As a preferable scheme, a first connecting pipe 14a is arranged on the first device body, one end of the first connecting pipe is communicated with the first water storage area, the other end of the first connecting pipe is communicated with the first spraying device, a first circulating pump 15a and a first dosing port are arranged on the first connecting pipe, and the first dosing port is connected with a first dosing device 17; be provided with second connecting pipe 14b on the second device body, second connecting pipe one end with second water storage area intercommunication, the other end with second spray set intercommunication, be provided with second circulating pump 15b and second dosing mouth on the second connecting pipe, the second dosing mouth is connected with second charge device 18, and first charge device and second charge device can use current charge device, and first charge device mainly carries out the preliminary treatment to waste gas, for example adds hydrogen sulfide (H) in alkaline medium to waste gas2S) or heavy metal treatment, the second dosing device is mainly used for adding ferrous sulfate or Fenton preparation to the spray water when necessary.
In order to facilitate the treatment of the waste gas, a first adsorption device 19a, such as a filler, is installed between the ventilation zone and the first water spray zone, and the first adsorption device adsorbs bad smell and the like in the waste gas, so that the waste gas treatment is cleaner, a second adsorption device 19b, such as a filler, is installed in the second water spray zone, the second spray device is located above the second adsorption device, the air inlet 12a of the air guide pipeline is located below the second adsorption device, and the communication position of the gas conversion zone and the second water spray zone can be generally arranged right opposite to the second adsorption device.
In order to adjust the reaction speed, a heating device 23, such as an electric heater, may be further installed between the air inlet of the air inducing pipeline and the second adsorption device.
In order to facilitate sewage discharge, the bottom of the first device body and the bottom of the second device body are both provided with a sewage discharge port communicated with the first water storage area, a sewage discharge pipe 20 is installed on the sewage discharge port, and a sewage discharge valve 21 is arranged on the sewage discharge pipe.
In order to prevent the water sprayed by the first spraying device from moving upwards and losing, a water baffle 22 is arranged above the spraying device, and a preferable arrangement mode of the water baffle is as follows, referring to fig. 3, a first support 22a, a second support 22b, a third support 22c and a fourth support 22d are arranged in the first device body; the fourth support is horizontally arranged close to the first spraying device, and the edge position of the fourth support is connected with the inner wall of the first device body; the second support is positioned above the fourth support, the edge position of the second support is spaced from the inner wall of the first device body, the number of the third supports is two, the two third supports are close to two sides of the second support and are vertically arranged, one end of each third support is connected with the second support, and the other end of each third support is connected with the fourth support; the first support is positioned above the second support, and the edge position of the first support is connected with the inner wall of the first device body; and water baffles are uniformly arranged on the first support, the second support, the third support and the fourth support. This structure, to the water formation multilayer multi-angle that spouts splash blockking, the manger plate is effectual, and because the baffle that baffle and third support on the fourth support enclose into the cavity structure, do not have the overlap with the baffle on the first support for steam can support both sides through the second and upwards move in the bottom that the fourth supported, manger plate is effectual and the efficiency of gas transfer is high. The baffle on the fourth support and the baffle on the first support can also be obliquely arranged, the passing space of steam can be increased, and water drops are prevented by the inclined baffles and then fall and gather along the baffles under the action of gravity, so that the water drops which are more favorable for blocking fall.
According to the method, the organic waste gas treatment device based on the strong electric field is utilized, ozone is generated in a high-voltage ionization mode to carry out degradation treatment on waste gas, and the efficiency of treating the waste gas with high difficulty is high.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the present invention, and the words first, second, etc. are used only for the distinction of names and not for the limitation of technical terms, and it is obvious to those skilled in the art that the present invention can be variously modified and changed. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An organic waste gas treatment device based on a strong electric field comprises a device body (1) and is characterized in that a water storage area (2), a ventilation area (3), a first water spraying area (4), an ionization area (5) and a second water spraying area (6) are arranged inside the device body from bottom to top, a honeycomb type anode plate (7) and a cathode pricker (8) matched with the honeycomb type anode plate are arranged in the ionization area, a first spraying device is arranged in the first water spraying area, a second spraying device is arranged in the second water spraying area, and the first spraying device and the second spraying device are communicated with the water storage area through a power device;
the device body is provided with an air inlet communicated with the ventilating area and an induced draft pipeline (12) communicated with the water spraying area, and an induced draft fan (13) is installed on the induced draft pipeline.
2. The organic waste gas treatment device based on the strong electric field according to claim 1, wherein a connecting pipe (14) is arranged on the device body, one end of the connecting pipe is communicated with the water storage area, the other end of the connecting pipe is communicated with the second spraying device, a circulating pump (15) is arranged on the connecting pipe, a bypass pipe (16) is arranged on the connecting pipe and positioned between the circulating pump and the second spraying device, a first dosing port is arranged on the bypass pipe, and the first dosing port is connected with a first dosing device (17); and a second dosing port is arranged between the bypass pipe and the second spraying device on the connecting pipe, and is connected with a second dosing device (18).
3. An organic waste gas treatment device based on strong electric field according to claim 1, characterized in that an adsorption device (19) is installed between the ventilating area and the first water spraying area.
4. The organic waste gas treatment device based on the strong electric field according to claim 1, wherein a drain outlet communicated with the water storage area is arranged at the bottom of the device body, a drain pipe (20) is installed on the drain outlet, and a drain valve (21) is arranged on the drain pipe.
5. An organic waste gas treatment device based on a strong electric field is characterized by comprising a first device body (1a) and a second device body (1b), wherein a first water storage area (2a), a ventilation area (3), a first water spraying area (4), an ionization area (5) and a gas conversion area (6a) are arranged in the first device body from bottom to top, a second water storage area (2b) and a second water spraying area (6) are arranged in the second device body from bottom to top, and the second water spraying area is communicated with the gas conversion area;
a honeycomb type anode plate (7) and a cathode pricker (8) matched with the honeycomb type anode plate are arranged in the ionization region, a first spray device is arranged in the first water spray region, a second spray device is arranged in the second water spray region, the first spray device is communicated with the first water storage region through a first power device, and the second spray device is communicated with the second water storage region through a second power device;
an air inlet communicated with the ventilation area is formed in the first device body;
and an induced draft pipeline (12) communicated with the second water spraying area is arranged on the second device body, and an induced draft fan (13) is installed on the induced draft pipeline.
6. The organic waste gas treatment device based on the strong electric field according to claim 5, wherein a first connecting pipe (14a) is arranged on the first device body, one end of the first connecting pipe is communicated with the first water storage area, the other end of the first connecting pipe is communicated with the first spraying device, a first circulating pump (15a) and a first dosing port are arranged on the first connecting pipe, and the first dosing port is connected with a first dosing device (17);
the second device is characterized in that a second connecting pipe (14b) is arranged on the second device body, one end of the second connecting pipe is communicated with the second water storage area, the other end of the second connecting pipe is communicated with the second spraying device, a second circulating pump (15b) and a second dosing port are arranged on the second connecting pipe, and the second dosing port is connected with a second dosing device (18).
7. An organic waste gas treatment device based on strong electric field according to claim 5, characterized in that a first adsorption means (19a) is installed between the ventilating area and the first water spraying area;
and a second adsorption device (19b) is arranged in the second water spraying area, the second spraying device is positioned above the second adsorption device, and an air inlet (12a) of the air guide pipeline is positioned below the second adsorption device.
8. An organic waste gas treatment device based on strong electric field according to claim 7, characterized in that a heating device (23) is installed between the air inlet of the induced air duct and the second adsorption device.
9. The organic waste gas treatment device based on the strong electric field according to claim 5, wherein the bottom of the first device body and the bottom of the second device body are both provided with a sewage draining exit communicated with the first water storage area, a sewage draining pipe (20) is installed on the sewage draining exit, and a sewage draining valve (21) is arranged on the sewage draining pipe.
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| CN111282426A (en) * | 2020-04-07 | 2020-06-16 | 导洁(北京)环境科技有限公司 | Organic waste gas treatment method based on strong electric field |
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