CN216778443U - Oil smoke granule and peculiar smell VOCs waste gas clean system in coordination - Google Patents
Oil smoke granule and peculiar smell VOCs waste gas clean system in coordination Download PDFInfo
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- CN216778443U CN216778443U CN202220329300.4U CN202220329300U CN216778443U CN 216778443 U CN216778443 U CN 216778443U CN 202220329300 U CN202220329300 U CN 202220329300U CN 216778443 U CN216778443 U CN 216778443U
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Abstract
The utility model provides a system for cooperatively purifying oil fume particles and peculiar smell VOCs waste gas, which comprises a cyclone scrubber, a wet-type electrical tar precipitator, an oil-water separator and a circulating water tank, wherein an air outlet at the upper end of the cyclone scrubber is communicated with an air inlet of the wet-type electrical tar precipitator, an oil outlet at the lower end of the cyclone scrubber is communicated with a water inlet of the circulating water tank, an oil outlet at the lower end of the wet-type electrical tar precipitator is communicated with the oil-water separator, a waste oil outlet of the oil-water separator is communicated with a waste oil pipeline, a waste water outlet of the oil-water separator is communicated with a water inlet of the circulating water tank, a water outlet of the circulating water tank is respectively communicated with a water inlet of the cyclone scrubber and a water inlet of the wet-type electrical tar precipitator through pipelines, and a booster water pump is arranged on the pipelines. The purification system disclosed by the utility model is safe and reliable, only consumes power, is low in energy consumption, generates a small amount of waste water, does not generate hazardous waste, can effectively solve the problem of peculiar smell of waste gas, and does not have the problem of secondary dust emission in the ash removal process.
Description
Technical Field
The utility model belongs to the technical field of purification of odorous and peculiar smell waste gas, and particularly relates to a synergistic purification system for oil smoke particles and peculiar smell VOCs waste gas.
Background
At present, along with the development of society, the environmental protection consciousness of people is continuously improved, and the environmental protection requirement is gradually strengthened. The ultralow emission modification of desulfurization, denitration and dust removal is completed, so that the problem of VOC pollution, especially the pollution of odor and peculiar smell waste gas, becomes one of the most outstanding problems in the field of environmental protection. The influence of the odor and the peculiar smell on the environment is obvious, and the complaint rate of residents is always high in the environmental protection industry. The odor and peculiar smell waste gas generally exists in sewage pumping stations, garbage transfer stations, catering and chemical industries, and two or three of particle pollutants, oil smoke and odor VOC gas coexist frequently, for example, in a rubber aging agent granulation production line, fine dust, oil smoke and odor and peculiar smell VOC are generated at the tail part of granulation at the same time. For the treatment of the odor waste gas, attention needs to be paid to the treatment efficiency of the odor and the odor, and the adverse effects of fine dust and oil smoke on a waste gas treatment system need to be considered.
For example, in patent CN213101609U, a petroleum sludge oil drying exhaust gas treatment system is disclosed, which is connected with a water washing spray tower, a cooling tower, an alkali washing, a first centrifugal fan, a centrifugal demister, a first stage ultraviolet light titanium dioxide ozone catalytic oxidation reactor, a second stage ultraviolet light titanium dioxide ozone catalytic oxidation reactor, an ozone manganese-based catalytic reactor, an ozone generator and a second centrifugal fan through pipelines. Through the combination of the waste gas treatment process, the method can be used for treating waste gas with wide components, and avoids the explosion risk caused by the fact that the waste gas directly enters catalytic oxidation equipment through the pretreatment of the waste gas. However, the process route is long, so that the investment and operation cost are greatly reduced, and the process adopts a catalytic oxidation technology, and is influenced by trace oil stains and dust in long-term operation due to the sensitivity of the catalyst. In addition, the catalytic oxidation of ozone in the process is in the last stage, which easily causes the overproof of ozone and secondary pollution. Therefore, the development of a malodorous and odorous waste gas treatment system with short process, stable operation and no secondary pollution risk is a multiple requirement of economy, reliability and safety.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model discloses a synergistic purification system for oil smoke particles and peculiar smell VOCs waste gas, aiming at the mutual restriction influence and the synergistic control logic of dust, oil stain and stink peculiar smell in the treatment process, and a coupling device is used for carrying out safe, economic, efficient and reliable gas purification system on a complex waste gas system.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a synergistic purification system for oil fume particles and peculiar smell VOCs waste gas comprises a cyclone scrubber, a wet-type electrical tar precipitator, an oil-water separator and a circulating water tank, wherein an air outlet at the upper end of the cyclone scrubber is communicated with an air inlet of the wet-type electrical tar precipitator, an oil outlet at the lower end of the cyclone scrubber is communicated with a water inlet of the circulating water tank, an oil outlet at the lower end of the wet-type electrical tar precipitator is communicated with the oil-water separator, a waste oil outlet of the oil-water separator is communicated with a waste oil pipeline, a waste water outlet of the oil-water separator is communicated with a water inlet of the circulating water tank, a water outlet of the circulating water tank is respectively communicated with a water inlet of the cyclone scrubber and a water inlet of the wet-type electrical tar precipitator through pipelines, and a booster water pump is arranged on the pipelines.
Further, clean system still includes ozone generating device and static mixer, the inlet end and the peculiar smell VOCs waste gas pipeline intercommunication of static mixer, ozone generating device passes through the pipeline and passes through flange seal intercommunication with the peculiar smell VOCs waste gas pipeline of static mixer inlet end, and static mixer's the end of giving vent to anger communicates with the air inlet of whirl scrubber.
Furthermore, a plurality of cleaning spray heads and electrode plates are arranged in the wet-type electrical tar precipitator, the cleaning spray heads are positioned above the electrode plates and are arranged at intervals with the electrode plates, and the cleaning spray heads are communicated with a water outlet of the circulating water tank through pipelines.
Furthermore, a rotational flow plate, a spraying layer and a mechanical demisting layer are sequentially arranged in the rotational flow washer from top to bottom, and the spraying layer is communicated with the circulating water tank.
Furthermore, the number of the booster water pumps is two, and the two booster water pumps are arranged in parallel.
Furthermore, a filtering membrane is arranged inside the circulating water tank, and a process water inlet and a concentrated waste liquid outlet are formed in the circulating water tank.
Further, an air outlet at the upper end of the wet-type electric tar precipitator is communicated with an exhaust chimney through a pipeline, and a negative pressure induced draft fan is connected to the pipeline.
Furthermore, a plurality of flow baffle plates are arranged on the upper inner wall and the lower inner wall in the static mixer at equal intervals, and the flow baffle plates are all obliquely arranged.
According to the oil fume particle and odor VOCs waste gas cooperative purification system, the ozone generation device is used for generating ozone gas with controllable quality and concentration, the ozone gas and odor peculiar smell gas are mixed and enter the gas mixing device together, the mixing of the ozone gas and the odor peculiar smell gas in the gas mixing device is enhanced, the reaction is continuously carried out in the equipment space at the rear end, the odor gas is subjected to reduction pretreatment, the treatment load of rear-end purification equipment is reduced, and the economy of a waste treatment system is improved; after the gas passing through the gas mixing device is mixed, the gas rises upwards in a rotational flow washer in a rotating state from the bottom, and by utilizing a spraying device and a rotational flow plate matched with the spraying device in the rotational flow washer, collision, interception and condensation occur between smoke dust and liquid drops, the deep absorption of acid mist and the like is enhanced, a large amount of dust particles and water mist are removed, the reduction of the dust and the smoke dust is realized, and the treatment load of a subsequent wet type electrostatic purification device is reduced. The gas at the outlet of the cyclone plate purification device enters a wet electrostatic purification device, and fog drops and water vapor generated by the cyclone scrubber at the front section wrap the outside of oil mist particles to form a low-resistance channel, so that the charging performance of particles is improved, and the electrostatic trapping efficiency is enhanced. Meanwhile, in a wet operation environment, a small amount of residual particles and oil smoke pollutants can be prevented from being solidified and hardened on the electrode plate, secondary flying and entrainment are not easy to occur, part of oil stains with good fluidity can flow to the bottom along the electrode plate under the action of gravity to be discharged, and waste gas treated by the wet electrostatic device enters a chimney through a negative pressure induced draft fan to be evacuated. The liquid sprayed in the cyclone washer falls into the lower end of the cyclone washing tower again and enters a circulating water tank for recycling; the waste water generated by the wet-type electric tar precipitator is connected into an oil-water separator for separation, the generated water enters a circulating water tank for recycling, and the generated waste oil is collected and treated; the circulating water tank is respectively connected with the water outlet end of the oil-water separator and the lower end of the cyclone scrubber, two liquid streams are conveyed into the cyclone scrubber and the wet-type electric tar precipitator again for spraying and cleaning through a pressurizing circulating water pump after being collected in the circulating water tank for recycling, and the circulating water pump adopts a one-for-one mode. The circulating water tank periodically and intermittently discharges the concentrated waste liquid, and after the concentrated waste liquid is discharged from the water tank, fresh process water is periodically and intermittently added, so that the liquid of the waste gas purification system is kept balanced.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the waste gas treatment system device integrates an ozone oxidation device, a rotational flow plate purification device and a wet electrostatic device, has the advantages of full effect removal of dust particles, oil smoke and odor substances, is safe and reliable, only consumes power, has low energy consumption, generates a small amount of waste water, does not generate hazardous waste, and can effectively solve the problem of peculiar smell of waste gas;
(2) by utilizing an ozone oxidation technology, the odor and peculiar smell components can be effectively reduced, and ozone is arranged at the forefront end, so that on one hand, the subsequent inner spaces of pipelines and devices can be used as reaction containers, the reaction retention time is prolonged, on the other hand, the ozone can be absorbed and removed through purification treatment equipment at the rear end, and the ozone concentration is ensured not to exceed the standard and be discharged;
(3) the cyclone scrubber can be used for strengthening deep absorption of acid mist and the like to remove a large amount of oil smoke mist, effectively reducing dust particles and oil stains and reducing the operation load of a subsequent wet electric system;
(4) the front wet-type rotational flow plate purification device is adopted, fog drops and water vapor are wrapped outside oil mist particles to form a low-resistance channel, the charging performance of the particles is greatly improved, and the electrostatic trapping efficiency is improved. Meanwhile, in a wet-type operation environment, pollutants collected on the anode plate can be prevented from being solidified and hardened, secondary flying and entrainment are not easy to occur, and part of oil stains with good fluidity can flow to the bottom along the anode plate under the action of gravity and are discharged. The wet electrostatic speaking device adopts pressure atomization spraying to remove dust, so that the dust removing process has no secondary dust raising problem.
Drawings
Fig. 1 is a schematic structural diagram of a synergistic purification system for lampblack particles and odor VOCs waste gas.
The system comprises an ozone generating device 1, a static mixer 2, a cyclone scrubber 3, a wet electrical tar precipitator 4, an oil-water separator 5, a circulating water tank 6, a booster water pump 7, a negative pressure draught fan 8, an exhaust chimney 9, a peculiar smell VOCs waste gas pipeline 10, a waste oil pipeline 11, a process water inlet pipeline 12, a concentrated waste liquid outlet pipeline 13, a cyclone plate 31, a spray layer 32 and a mechanical demisting layer 33.
Detailed Description
The utility model is further described with reference to the following figures and specific embodiments.
The oil smoke particle and odor VOCs waste gas cooperative purification system shown in fig. 1 comprises an ozone generating device 1, a static mixer 2, a cyclone scrubber 3, a wet-type electrical tar precipitator 4, an oil-water separator 5 and a circulating water tank 6, wherein the air inlet end of the static mixer 2 is communicated with an odor VOCs waste gas pipeline 10, and the ozone generating device 1 is communicated with the odor VOCs waste gas pipeline 10 at the air inlet end of the static mixer 2 through a pipeline in a sealing manner through a flange; a plurality of flow baffle plates 21 are arranged on the upper inner wall and the lower inner wall of the static mixer 2 at equal intervals, the flow baffle plates 21 are all obliquely arranged, and the air outlet end of the static mixer 2 is communicated with the air inlet of the cyclone scrubber 3; a rotational flow plate 31, a spraying layer 32 and a mechanical demisting layer 33 are sequentially arranged in the rotational flow washer 3 from top to bottom, an air outlet at the upper end of the rotational flow washer 3 is communicated with an air inlet of the wet-type electric tar precipitator 4, and a liquid outlet at the lower end of the rotational flow washer 3 is communicated with a water inlet of the circulating water tank 6; a plurality of cleaning nozzles 41 and an electrode plate 42 are arranged in the wet type electrical tar precipitator 4, the plurality of cleaning nozzles 41 are positioned above the electrode plate 42, is arranged at intervals with the electrode plate 42, the air outlet at the upper end of the wet-type electrical tar precipitator 4 is communicated with the exhaust chimney 9 through a pipeline, a negative pressure draught fan 8 is connected on the pipeline, a liquid outlet at the lower end of the wet-type electrical tar precipitator 4 is communicated with an oil-water separator 5, a waste oil outlet of the oil-water separator 5 is communicated with a waste oil pipeline 11, a waste water outlet of the oil-water separator 5 is communicated with a water inlet of a circulating water tank 6, the water outlet of the circulating water tank 6 is respectively communicated with the water inlet of the spraying layer 32 of the cyclone scrubber 3 and the water inlet of the cleaning nozzle 41 of the wet-type electrical tar precipitator 4 through pipelines, the pipeline is provided with two booster water pumps 7 in parallel, a filtering membrane is arranged inside the circulating water tank 6, and the circulating water tank 6 is provided with a process water inlet pipeline 12 and a concentrated waste liquid outlet pipeline 13.
Those of ordinary skill in the art will understand that: the utility model is not to be considered as limited to the specific embodiments thereof, but is to be understood as being modified in all respects, all changes and equivalents that come within the spirit and scope of the utility model.
Claims (8)
1. The system is characterized by comprising a cyclone scrubber, a wet-type electric tar precipitator, an oil-water separator and a circulating water tank, wherein an air outlet at the upper end of the cyclone scrubber is communicated with an air inlet of the wet-type electric tar precipitator, an oil outlet at the lower end of the cyclone scrubber is communicated with a water inlet of the circulating water tank, an oil outlet at the lower end of the wet-type electric tar precipitator is communicated with the oil-water separator, a waste oil outlet of the oil-water separator is communicated with a waste oil pipeline, a waste water outlet of the oil-water separator is communicated with a water inlet of the circulating water tank, a water outlet of the circulating water tank is respectively communicated with a water inlet of the cyclone scrubber and a water inlet of the wet-type electric tar precipitator through pipelines, and a booster water pump is arranged on the pipelines.
2. The synergistic lampblack particle and odor VOCs waste gas purification system as claimed in claim 1, wherein the purification system further comprises an ozone generating device and a static mixer, an air inlet end of the static mixer is communicated with an odor VOCs waste gas pipeline, the ozone generating device is communicated with the odor VOCs waste gas pipeline at the air inlet end of the static mixer through a pipeline in a sealing mode through a flange, and an air outlet end of the static mixer is communicated with an air inlet of the cyclone scrubber.
3. The system of claim 1, wherein a plurality of cleaning nozzles and electrode plates are arranged inside the wet electrical tar precipitator, the plurality of cleaning nozzles are located above the electrode plates and spaced from the electrode plates, and the plurality of cleaning nozzles are communicated with a water outlet of the circulating water tank through a pipeline.
4. The system of claim 1, wherein a cyclone plate, a spraying layer and a mechanical demisting layer are sequentially arranged in the cyclone scrubber from top to bottom, and the spraying layer is communicated with the circulating water tank.
5. The system of claim 1, wherein the number of the booster pumps is two, and the two booster pumps are arranged in parallel.
6. The system of claim 1, wherein a filtering membrane is disposed inside the circulation water tank, and the circulation water tank is provided with a process water inlet and a concentrated waste liquid outlet.
7. The system of claim 1, wherein an air outlet at the upper end of the wet electrical tar precipitator is communicated with an exhaust chimney through a pipeline, and a negative pressure induced draft fan is connected to the pipeline.
8. The system of claim 2, wherein a plurality of baffles are equally spaced on the inner walls of the static mixer, and the baffles are inclined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220329300.4U CN216778443U (en) | 2022-02-18 | 2022-02-18 | Oil smoke granule and peculiar smell VOCs waste gas clean system in coordination |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220329300.4U CN216778443U (en) | 2022-02-18 | 2022-02-18 | Oil smoke granule and peculiar smell VOCs waste gas clean system in coordination |
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| CN216778443U true CN216778443U (en) | 2022-06-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116603378A (en) * | 2023-05-23 | 2023-08-18 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | Dual cycle exhaust gas purification device |
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2022
- 2022-02-18 CN CN202220329300.4U patent/CN216778443U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116603378A (en) * | 2023-05-23 | 2023-08-18 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | Dual cycle exhaust gas purification device |
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