CN210845871U - Oily sludge tail gas treatment biological trickling filter - Google Patents
Oily sludge tail gas treatment biological trickling filter Download PDFInfo
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- CN210845871U CN210845871U CN201921120867.5U CN201921120867U CN210845871U CN 210845871 U CN210845871 U CN 210845871U CN 201921120867 U CN201921120867 U CN 201921120867U CN 210845871 U CN210845871 U CN 210845871U
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Abstract
The utility model provides a biological trickling filter is handled to oily sludge tail gas, it can increase the treatment effect to tail gas, and can reduce equipment volume simultaneously. The tail gas treatment device comprises a prying body, wherein a tail gas treatment channel is arranged in an inner cavity of the prying body, the tail gas treatment channel comprises a tail gas inlet, a flue gas treatment area and an exhaust funnel, the flue gas treatment area comprises tail gas treatment units, the tail gas treatment units are sequentially connected through a partition channel, and each tail gas treatment unit comprises an inlet channel, a unit treatment area and an outlet channel which are sequentially arranged from bottom to top; between two adjacent tail gas treatment units, the air outlet channel of the former tail gas treatment unit and the air inlet channel of the latter tail gas treatment unit are respectively communicated with the air inlet hole at the top and the air outlet hole at the bottom of the separation channel between the two tail gas treatment units; an air inlet channel in a first treatment unit in the tail gas treatment units is communicated with a tail gas inlet; and the gas outlet channel in the last processing unit in the tail gas processing unit is connected with the exhaust funnel.
Description
Technical Field
The utility model relates to a tail gas treatment technical field specifically is an oily sludge tail gas handles biological trickling filter.
Background
The petroleum substance in the oily sludge is a complex hydrocarbon mixture mainly composed of hydrocarbon, and belongs to mineral oil chemical substances, the hydrocarbon compound in the petroleum has the relative molecular mass of dozens to thousands, and the corresponding boiling point is from normal temperature to over 500 ℃. The new environmental protection law stipulates that hazardous wastes such as oily sludge and the like must be effectively treated to meet the harmless requirements in corresponding environmental regulations, and tail gas containing VOCs is generated in the process of carrying out harmless treatment on the oily sludge. The tail gas also pollutes the environment. In the prior art, when VOCs-containing tail gas is treated by the biotrickling filter, the tail gas treatment effect is poor due to the fact that the equipment is large in size, the gas stays in the equipment for a short time when the equipment adopts a horizontal structure, and the gas is not uniformly distributed, the requirements of stricter and stricter environmental protection regulations cannot be met, and the popularization and the application of the biotrickling filter technology are directly limited.
Disclosure of Invention
In order to solve the problem poor to the tail gas treatment effect among the prior art, the utility model provides an oily sludge tail gas treatment is with biological trickling filter, its treatment effect to tail gas that can heighten, and can reduce equipment volume simultaneously.
The technical scheme of the utility model is like this: the utility model provides an oiliness mud is bio-trickling filter for tail gas treatment, its includes the sled body, sled internal chamber sets up the tail gas treatment passageway, the tail gas treatment passageway includes tail gas air inlet, flue gas treatment area, aiutage, its characterized in that: the flue gas treatment area comprises tail gas treatment units, the tail gas treatment units are sequentially connected through separating channels, and each tail gas treatment unit comprises an air inlet channel, a unit treatment area and an air outlet channel which are sequentially arranged from bottom to top; between two adjacent tail gas treatment units, the gas outlet channel of the former tail gas treatment unit and the gas inlet channel of the latter tail gas treatment unit are respectively communicated with a gas inlet hole at the top and a gas outlet hole at the bottom of the separation channel between the two tail gas treatment units; the air inlet channel in the first processing unit in the tail gas processing unit is communicated with the tail gas inlet; and the gas outlet channel in the last processing unit in the tail gas processing units is connected with the exhaust funnel.
It is further characterized in that:
an ultraviolet lamp tube group is arranged in the separation channel;
rib-row screens are arranged on the air inlet channels respectively;
composite filler is filled in each unit treatment area, the composite filler adopts a polyethylene round sphere with a reticular outer part, and porous carbonized particles are filled in the composite filler;
in each tail gas treatment unit, a spray header is arranged above the composite filler;
the number of the channels is set to be 1;
and a demister is arranged at the air inlet at the top of each partition channel.
The utility model provides a pair of bio-trickling filter is used in oily sludge tail gas treatment separates the way and separates for a plurality of tail gas treatment unit prying body inner chamber through setting up, has effectively prolonged the contact time of gas and compound packing layer, makes the equipment volume can reduce 30% -50%, and the dwell time of pending gas in prying body prolongs to 35 s-56 s, has guaranteed that VOCs class pollution component can fully degrade in the gas, has improved the tail gas treatment effect when having reduced the device volume. After the gas to be treated passes through the first-stage composite filler layer, biodegradable components in the gas are decomposed, an ultraviolet lamp tube is arranged in the partition channel, and the difficultly-degradable VOCs components pass through the ultraviolet lamp tube layer and are irradiated by the ultraviolet lamp and generated O3Under the action of the air pressure, the air pressure is controlled,the molecular structure is changed into a biodegradable component, and the biodegradable component enters the second-stage composite packing layer for final biological decomposition, so that the biodegradation efficiency of the biological trickling filter on VOCs components is ensured to be 95-99%, the VOCs in the tail gas are further ensured to be fully explained, and the treatment effect of the tail gas is improved.
Drawings
Fig. 1 is a perspective schematic view of a bio-trickling filter according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a bio-trickling filter according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1-2, the utility model discloses a bio-trickling filter for treating oily sludge tail gas, which comprises a prying body 1, wherein a tail gas treatment channel is arranged in the inner cavity of the prying body 1, the tail gas treatment channel comprises a tail gas inlet 11, a flue gas treatment area and an exhaust funnel 7, the flue gas treatment area comprises a tail gas treatment unit, the tail gas treatment units are sequentially connected through a separation channel, and each tail gas treatment unit comprises an inlet channel, a unit treatment area and an outlet channel which are sequentially arranged from bottom to top; the air inlet channels of the adjacent tail gas processing units are not communicated with each other, and the air outlet channels of the adjacent tail gas processing units are not communicated with each other; as shown in fig. 1, in this embodiment, only 1 partition 13 is provided, and the inner cavity of the pry body 1 is divided into two adjacent exhaust gas treatment units; the two tail gas treatment units comprise two unit treatment areas: a first unit treatment region 21 and a second unit treatment region 22; composite fillers 8-1 and 8-2 are respectively filled in the first unit treatment area 21 and the second unit treatment area 22, the composite fillers are polyethylene round spheres with the outer parts being netty, and porous carbonized particles are filled in the composite fillers; the composite fillers 8-1 and 8-2 are directly filled into the first unit treatment area 21 and the second unit treatment area 22 without being fixed, and the specific surface area reaches 500-800m2/m3The composite filler is filled into a bed layer of a treatment area in a non-fixed direct filling mode, so that good oxygenation performance can be achieved, microbial growth and metabolism are facilitated, a film hanging period is not more than 48 hours, acid and alkali resistance and ageing resistance are achieved, and the decomposition process of tail gas to be treated is not affected by waterThe flow influence, the service life can reach more than 10 years, and the installation is convenient, thus being suitable for application.
The tail gas treatment unit comprises a first air inlet channel 19-1, a first unit treatment area 21, a first air outlet channel 20-1, a second air inlet channel 19-2, a second unit treatment area 22 and a second air outlet channel 20-2 which are sequentially arranged from bottom to top, wherein the first air inlet channel 19-1 and the second air inlet channel 19-2 are isolated, and the first air outlet channel 20-1 and the second air outlet channel 20-2 are isolated; between two adjacent tail gas treatment units, a first gas outlet channel 20-1 of the former tail gas treatment unit is communicated with a gas inlet hole 13-1 at the top of the partition channel 13, and a second gas inlet channel 19-2 of the latter tail gas treatment unit is communicated with a gas outlet hole 13-2 at the bottom of the partition channel 13; a first air inlet channel 19-1 in a first treatment unit in the tail gas treatment units is communicated with the tail gas inlet 11; the second gas outlet channel 20-2 in the last treatment unit in the tail gas treatment unit is connected with the gas exhaust tube 7; rib-row screens are respectively arranged on the air inlet channels, a screen 17-1 is arranged above the first air inlet channel 19-1, and a screen 17-2 is arranged above the second air inlet channel 19-2; in each tail gas treatment unit, a spray header is arranged above the composite filler; spray heads 5 are respectively arranged above the composite fillers 8-1 and 8-2, and the spray heads 5 are communicated with a low-concentration nutrient solution storage device.
The spraying device 5 is arranged above the two composite packing layers 8-1 and 8-2 in the prying body 1 and circularly sprays low-concentration nutrient solution from top to bottom. Degrading microorganisms are attached to the composite packing layers 8-1 and 8-2 to form a biomembrane, tail gas passes through the packing layer area, VOCs components in the gas enter a liquid phase under the action of the spraying device 5, and then enter the biomembrane under the condition of active transportation to be metabolized and decomposed into CO by the microorganisms2、H2Harmless components such as O, mineral substances, energy and the like achieve the purpose of tail gas purification, and the spraying process can be observed through the manhole 4. The bottom layer of the biological trickling filter is provided with a water tank 9 which is connected with the spraying device 5 through a circulating water pump 16 and is used for providing water for microorganism metabolism, and a dosing tank 18 is positioned on the side surface of the biological trickling filter and is used for supplementing nutrient substances necessary for microorganism growth and metabolism.
The demister 6-1 is arranged at the air inlet 13-1 at the top of the partition channel 13, the tail gas to be treated after primary degradation treatment enters the partition channel 13 after being purified by the demister 6-1, and the pollution of impurities carried in the tail gas to be treated on the ultraviolet lamp tube group 12 arranged between the partition channels 13 is avoided.
The partition 13 divides the interior of the prying body 1 into two-stage treatment areas connected end to end, so that the contact time of gas and a composite packing layer is effectively prolonged, the volume of equipment is reduced by 30-50%, the retention time of gas to be treated in the prying body 1 is prolonged to 35-56s, and the VOCs pollution components in the gas can be fully degraded; when the gas to be treated passes through the composite filler layer 8-1, the biodegradable components in the gas are decomposed, and the difficultly-degradable VOCs components pass through the ultraviolet lamp tube group 12 and are irradiated by an ultraviolet lamp and O is generated3Under the action, the molecular structure is changed into a biodegradable component, and then the biodegradable component enters the composite filler layer 8-2 for final biological decomposition, so that the biological degradation efficiency of the biological trickling filter on VOCs components is ensured to be 95-99%.
As shown by the arrow direction in fig. 1, the flow direction of the exhaust gas to be treated is: the tail gas to be treated entering from the tail gas inlet 11 enters the first unit treatment area 21 from bottom to top through the first gas inlet channel 19-1 for primary decomposition treatment, then enters the partition channels 13 from top to bottom through the first gas outlet channel 20-1, enters the second gas inlet channel 19-2 through the gas outlet 13-2, enters the second gas inlet channel 19-2, enters the second unit treatment area 22 from bottom to top for secondary tail gas treatment, and finally is discharged out of the prying body 1 through the second gas outlet channel 20-2 and the gas exhaust barrel 7.
The tail gas to be treated enters a first air inlet channel 19-1 through a tail gas inlet 11 under the traction of a fan 2; the tail gas to be treated passes through a rib row screen 17-1 arranged above the first air inlet channel 19-1, realizes uniform gas distribution under the action of the rib row screen, and enters a first unit treatment area 21 communicated with the rib row screen; after entering a first unit treatment area 21, tail gas to be treated enters a composite filler 8-1 filled in the tail gas treatment area from bottom to top, and is subjected to tail gas decomposition treatment through biodegradation; the tail gas to be treated after primary decomposition enters a space in the partition channel 13 through an air inlet 13-1 arranged at the top of the partition channel 13; an ultraviolet lamp group 12 is provided in the partition 13, and the ultraviolet lamp group 12 is arranged in pairsIrradiating the tail gas to be treated by passing through the tail gas to be treated, irradiating the tail gas by using an ultraviolet lamp and generating O3Under the action, the molecular structure is changed into a biodegradable component, so that the decomposition of tail gas is promoted; enters a second air inlet channel 19-2 communicated with the exhaust hole 13-2 from the exhaust hole 13-2 arranged at the bottom of the partition channel 13; the mixture enters the composite filler 8-2 filled in the second unit treatment area 22 from bottom to top through a rib row screen 17-2 arranged above the second air inlet channel 19-2, and is subjected to biodegradation treatment for the second time; and finally, after the tail gas subjected to the two times of biodegradation is purified by the demister 6-2, the tail gas is discharged out of the prying body 1 by the exhaust funnel 7 under the monitoring of the tail gas on-line monitor 15.
The utility model discloses in, complete equipment and whole process are controlled through autonomous system 3, have integrateed temperature, pH value, COD value, amount of wind, wind pressure among the autonomous system 3, VOCs concentration in the tail gas, each storage tank liquid level height (low), motor tripping operation, the control of spraying the liquid flow and the function of monitoring, and automatic control outlet 10 periodically discharges sewage simultaneously, but remote operation need not artifical on duty. The top of the biological trickling filter of the utility model is also provided with a guardrail 14 to ensure the safety of the equipment when the equipment is necessary to be overhauled.
Claims (7)
1. The utility model provides an oiliness mud tail gas treatment biological trickling filter, its includes the sled body, sled internal chamber sets up the tail gas treatment passageway, the tail gas treatment passageway includes tail gas air inlet, flue gas treatment area, aiutage, its characterized in that: the flue gas treatment area comprises tail gas treatment units, the tail gas treatment units are sequentially connected through separating channels, and each tail gas treatment unit comprises an air inlet channel, a unit treatment area and an air outlet channel which are sequentially arranged from bottom to top; between two adjacent tail gas treatment units, the gas outlet channel of the former tail gas treatment unit and the gas inlet channel of the latter tail gas treatment unit are respectively communicated with a gas inlet hole at the top and a gas outlet hole at the bottom of the separation channel between the two tail gas treatment units; the air inlet channel in the first processing unit in the tail gas processing unit is communicated with the tail gas inlet; and the gas outlet channel in the last processing unit in the tail gas processing units is connected with the exhaust funnel.
2. The oil-containing sludge tail gas treatment bio-trickling filter of claim 1, which is characterized in that: and an ultraviolet lamp tube group is arranged in the separation channel.
3. The oil-containing sludge tail gas treatment bio-trickling filter of claim 1, which is characterized in that: and rib row screens are respectively arranged on the air inlet channels.
4. The oil-containing sludge tail gas treatment bio-trickling filter of claim 1, which is characterized in that: and composite filler is filled in each unit treatment area respectively, the composite filler adopts a polyethylene round sphere with a reticular outer part, and porous carbonized particles are filled in the composite filler.
5. The oil-containing sludge tail gas treatment bio-trickling filter of claim 4, which is characterized in that: in each tail gas treatment unit, a spray header is arranged above the composite filler.
6. The oil-containing sludge tail gas treatment bio-trickling filter of claim 1, which is characterized in that: the number of channels is set to 1.
7. The oil-containing sludge tail gas treatment bio-trickling filter of claim 1, which is characterized in that: and a demister is arranged at the air inlet at the top of each partition channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921120867.5U CN210845871U (en) | 2019-07-17 | 2019-07-17 | Oily sludge tail gas treatment biological trickling filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921120867.5U CN210845871U (en) | 2019-07-17 | 2019-07-17 | Oily sludge tail gas treatment biological trickling filter |
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| Publication Number | Publication Date |
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| CN210845871U true CN210845871U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921120867.5U Active CN210845871U (en) | 2019-07-17 | 2019-07-17 | Oily sludge tail gas treatment biological trickling filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252128A (en) * | 2019-07-17 | 2019-09-20 | 无锡雪浪环境科技股份有限公司 | A kind of oily sludge vent gas treatment bio-trickling filter and treatment process |
-
2019
- 2019-07-17 CN CN201921120867.5U patent/CN210845871U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252128A (en) * | 2019-07-17 | 2019-09-20 | 无锡雪浪环境科技股份有限公司 | A kind of oily sludge vent gas treatment bio-trickling filter and treatment process |
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Address after: 214000 no.2020 Lihu Avenue, Binhu District, Wuxi City, Jiangsu Province Patentee after: WUXI XUELANG ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: 214128, Wuxi, Jiangsu province Binhu District Taihu Street double new economic Park Patentee before: WUXI XUELANG ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |