CN217042015U - High-efficient environmental protection's industrial sewage odor treatment system - Google Patents
High-efficient environmental protection's industrial sewage odor treatment system Download PDFInfo
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- CN217042015U CN217042015U CN202123017703.XU CN202123017703U CN217042015U CN 217042015 U CN217042015 U CN 217042015U CN 202123017703 U CN202123017703 U CN 202123017703U CN 217042015 U CN217042015 U CN 217042015U
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Abstract
The utility model relates to a high-efficiency environment-friendly industrial sewage and odor treatment system, which comprises a leachate pretreatment tank, a first squeezing tank, a second squeezing tank, an odor collection cover, a primary alkali spray tower, a secondary alkali spray tower and a UV photocatalytic oxidation device; the entry of filtration liquid preliminary treatment pond connection one-level alkali spray column, first pond and the second of squeezing squeeze the pond and collect the entry that the cover connects one-level alkali spray column through the foul smell respectively, the entry of the exit linkage second grade alkali spray column of one-level alkali spray column, the exit linkage UV photocatalytic oxidation device's of second grade alkali spray column air inlet, the exhaust stack is passed through centrifugal fan to UV photocatalytic oxidation device's gas outlet. The utility model discloses whole flow reasonable in design, the treatment effect is reliable and stable, accords with the environmental protection requirement.
Description
Technical Field
The utility model relates to a waste gas deodorization handles technical field, especially relates to an industrial sewage odor treatment system of high-efficient environmental protection.
Background
The stink waste gas generated by industrial sewage is always a big problem influencing the environment, the stink generated by the sewage in the prior art is generally treated by adopting a single treatment method after being uniformly collected, and the stink is lack of pertinence, low in treatment efficiency and high in cost.
In recent years, China also pays attention to monitoring and prevention of malodorous compounds, and emission standards (GB 14554-93) and matched analysis methods of part of malodorous compounds are formulated. At present, the means for treating the stink at home and abroad mainly adopt: 1. a direct combustion method; 2. a catalytic oxidation process; 3. an ozone deodorization method; 4. an activated carbon adsorption method; 5. liquid medicine spraying method, etc.; 6. biological deodorization methods, and the like. However, the single treatment equipment has the problems of high equipment investment, high operation cost, small treatment gas amount, unstable work, low deodorization efficiency and the like in different degrees. Therefore, it is urgently needed to find an odor purification system which has a reasonable design and can effectively reduce investment cost and operation cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned not enough, provide an industrial sewage odor treatment system of high-efficient environmental protection, the treatment effect is reliable and stable.
The purpose of the utility model is realized like this:
an efficient and environment-friendly industrial sewage odor treatment system comprises a leachate pretreatment pool, a first squeezing pool, a second squeezing pool, an odor collection cover, a primary alkali spray tower, a secondary alkali spray tower and a UV photocatalytic oxidation device; the leachate pretreatment tank is connected with an inlet of a primary alkali spray tower, a first squeezing tank and a second squeezing tank are respectively connected with the inlet of the primary alkali spray tower through an odor collecting cover, an outlet of the primary alkali spray tower is connected with an inlet of a secondary alkali spray tower, an outlet of the secondary alkali spray tower is connected with an air inlet of a UV photocatalytic oxidation device, and an air outlet of the UV photocatalytic oxidation device is connected with an exhaust funnel through a centrifugal fan; UV photocatalytic oxidation device includes the box, sets gradually a defogging board, multiunit photocatalytic device, a degree of depth oxidation bed and an active carbon adsorption case by air inlet one end to gas outlet one end in the box, and every photocatalytic device of group includes that a filter plate and two UV pipes.
Further, be equipped with spray piping connection circulating water tank in the one-level alkali spray tower, circulating water tank connects the explosive box, two minutes pipes about spray piping passes through the connecting piece connection, but connecting piece and spray piping swivelling joint, the connecting piece is connected the rotating electrical machines drive, realizes that the branch pipe is rotatory around the connecting piece, control two and be connected a shower head respectively.
Further, the structure of the second-level alkali spray tower is the same as that of the first-level alkali spray tower 5.
Furthermore, the filter screen plate is W-shaped, and the filter screen plate adopts a photocatalyst filter screen.
Further, the two UV tubes of each set of photocatalytic devices are arranged in a staggered manner.
Furthermore, an activated carbon adsorbent is arranged in the activated carbon adsorption box.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses wash through the twice alkali behind the collection foul gas, recycle UV ultraviolet ray beam and shine and the incomplete schizolysis foul gas of titanium dioxide photocatalysis, can get rid of Volatile Organic Compounds (VOC), inorganic matter, hydrogen sulfide, ammonia, mercaptan class main pollutant fast to and various foul smell. The utility model discloses an alkaline washing spray column adopts rotatable spraying, and the liquid medicine is disperse more evenly, and area coverage is big, sets up W type filter plate in the UV photocatalytic oxidation device, increases with gaseous area of contact, plays the effect of drainage simultaneously, and UV pipe dislocation arrangement more is favorable to fully contacting gaseous, fully handles waste gas purification in limited equipment is bulky, improves the treatment effeciency, environmental protection and energy saving.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a plan view of the present invention.
Fig. 3 is a schematic structural diagram of the primary alkali spray tower of the present invention.
Fig. 4 is a schematic structural diagram of the UV photocatalytic oxidation apparatus of the present invention.
Fig. 5 is a process flow chart of the present invention.
Wherein:
the device comprises a leachate pretreatment tank 1, a first squeezing tank 2, a second squeezing tank 3, an odor collection cover 4, a primary alkali spray tower 5, a spray pipeline 51, a connecting piece 52, a rotating motor 53, a branch pipe 54, a spray header 55, a circulating water tank 56, a secondary alkali spray tower 6, a UV photocatalytic oxidation device 7, a box body 71, a demisting plate 72, a filter screen plate 73, a UV pipe 74, a deep oxidation bed 75, an activated carbon adsorption box 76 and a centrifugal fan 8.
Detailed Description
Example 1:
referring to fig. 1-5 and fig. 1, the utility model relates to a structural schematic diagram of a high-efficient environmental protection industrial sewage odor treatment system, as shown in the figure, a high-efficient environmental protection industrial sewage odor treatment system, it includes filtration liquid pretreatment tank 1, first squeeze pond 2, second squeeze pond 3, cover 4 is collected to the odor, one-level alkali spray tower 5, second grade alkali spray tower 6 and UV light catalytic oxidation device 7.
Be equipped with spray pipe 51 in the one-level alkali spray column 5 and connect circulating water tank 56, circulating water tank 56 connects the explosive box, spray pipe 51 passes through connecting piece 52 and connects two left and right sides branch pipes 54, connecting piece 52 and spray pipe 51 rotatable coupling, connecting piece 52 is connected the driving of rotating electrical machines 53, realizes that branch pipe 54 is rotatory around connecting piece 52, two left and right sides branch pipes 54 connect a shower head 55 respectively, sprays more dispersion in this one-level alkali spray column 5 evenly, spray the area increase.
The structure of the second-level alkali spray tower 6 is the same as that of the first-level alkali spray tower 5.
The UV photocatalytic oxidation device 7 comprises a box body 71, wherein a demisting plate 72, three groups of photocatalytic devices, a deep oxidation bed 75 and an activated carbon adsorption box 76 are sequentially arranged from one end of an air inlet to one end of an air outlet in the box body 71, and each group of photocatalytic devices comprises a filter screen plate 73 and two UV tubes 74.
The filter screen plate 73 is W-shaped, the reaction area with gas is increased, and the filter screen plate 73 adopts a photocatalyst filter screen and is internally provided with a titanium dioxide catalyst.
The two UV tubes 74 of each set of photocatalytic devices are offset to better facilitate adequate gas contact. The UV tube 74 is connected to an external dc power supply, and is used to generate ozone for catalytic cracking of organic waste gas,
the activated carbon adsorption box 76 is provided with an activated carbon adsorbent therein for adsorbing the catalytically cracked organic waste gas.
The working principle is as follows:
and after being collected, the waste gas is conveyed by a collecting and conveying pipeline and enters a deodorization system for treatment. The combined deodorization system mainly comprises an ultraviolet light catalytic device, a primary alkaline washing tower and a secondary alkaline washing tower, and gas after purification treatment is pumped and discharged through a tail end draught fan. The UV pipe in the photocatalysis equipment can send ultraviolet ray beam under the effect of direct current, produces ozone under the catalysis of silica, and oxygen in the decomposition air produces free oxygen, and when organic waste gas entered into the photocatalysis equipment, waste gas fully contacted with ozone, the photocatalyst filter screen accelerated ozone and organic waste gas fully contacted for organic waste gas is by catalytic cracking, and later the organic waste gas after the catalytic cracking entered into the active carbon adsorption case and is adsorbed.
The spraying circulating water is supplemented and replaced regularly, and the replaced circulating water is discharged to sewage treatment equipment in the transfer station through a pipeline for treatment.
Alkali wash spraying system comprises scrubbing tower, washing liquid circulation system, charge system, water supply and drainage system and defogging device, and the main body equipment adopts the glass steel material, and the equipment bottom is the water tank. The washing tower contains a spraying system and has a structure that:
1) a spray head: the spray heads adopt vortex nozzles and are uniformly arranged, so that the uniformity of gas-liquid contact is ensured;
2) circulating a spray pump: the overflowing part is fluoroplastic;
3) the horizontal centrifugal pump is a complete set of equipment, and is provided with accessories which are necessary for safe, effective and reliable operation, such as a water outlet bent pipe with a flange, a control valve and the like.
The rated air quantity of the fan is subject to 20 ℃, the relative humidity is 65 percent and 1atm, and the air quantity of the fan meets the requirement of treating the amount of the odor. The fan pressure satisfies the following pressure loss: consider the pipeline wind pressure loss of the tuber pipe is collected to the foul smell, the wind resistance of the self of equipment and the wind pressure loss of foul smell delivery pipe. The main material of fan is glass steel. The fan adopts a side-suction centrifugal fan, is horizontally installed and is arranged on the same base as the motor; the shaft and the shell are communicated, so that gas does not leak. The fan is provided with a vibration-proof pad, the vibration isolation efficiency is more than or equal to 80 percent, and the noise does not exceed 80dB (A) under the normal rotating speed of the fan.
The system is provided with an on-site low-voltage electric control cabinet (comprising a PLC control system), a cable from the on-site electric control cabinet to the deodorization equipment and the like. Electrical main equipment configuration: PLC control system, electrical components and parts and automatically controlled cabinet.
The exhaust funnel adopts a glass steel tube, and the total height of the exhaust funnel is 15 meters. The exhaust funnel support is manufactured and installed by adopting galvanized angle iron, the lightning rod is arranged at the top of the exhaust funnel support, the chimney support is connected with the lightning protection grounding device, an independent grounding device is installed or the chimney support is connected to the existing grounding net in a factory according to actual field conditions, and the height of the exhaust funnel support is 13 meters.
The above is only a specific application example of the present invention, and does not set any limit to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a high-efficient environmental protection's industrial sewage odor treatment system which characterized in that: the device comprises a leachate pretreatment pool (1), a first squeezing pool (2), a second squeezing pool (3), an odor collecting cover (4), a primary alkali spray tower (5), a secondary alkali spray tower (6) and a UV photocatalytic oxidation device (7); the leachate pretreatment tank (1) is connected with an inlet of a primary alkali spray tower (5), the first squeezing tank (2) and the second squeezing tank (3) are respectively connected with the inlet of the primary alkali spray tower (5) through odor collecting covers (4), an outlet of the primary alkali spray tower (5) is connected with an inlet of a secondary alkali spray tower (6), an outlet of the secondary alkali spray tower (6) is connected with an air inlet of a UV photocatalytic oxidation device (7), and an air outlet of the UV photocatalytic oxidation device (7) is connected with an exhaust funnel through a centrifugal fan (8);
UV photocatalytic oxidation device (7) includes box (71), sets gradually one by air inlet one end to gas outlet one end in box (71) defogging board (72), multiunit photocatalytic device, a degree of depth oxidation bed (75) and an active carbon adsorption case (76), and every photocatalytic device of group includes one filter plate (73) and two UV pipe (74).
2. The high-efficiency environment-friendly industrial sewage odor treatment system according to claim 1, characterized in that: be equipped with in one-level alkali spray column (5) and connect circulating water tank (56) spray piping (51), circulating water tank (56) connect the explosive box, spray piping (51) are connected through connecting piece (52) about two and are in charge of (54), connecting piece (52) and spray piping (51) rotatable coupling, rotating electrical machines (53) drive is connected in connecting piece (52), realizes in charge of (54) around connecting piece (52) rotatory, control two and be in charge of (54) and connect a shower head (55) respectively.
3. The high-efficiency environment-friendly industrial sewage odor treatment system according to claim 2, characterized in that: the structure of the second-level alkali spray tower (6) is the same as that of the first-level alkali spray tower (5).
4. The high-efficiency environment-friendly industrial sewage odor treatment system according to claim 1, characterized in that: the filter screen plate (73) is W-shaped, and the filter screen plate (73) adopts a photocatalyst filter screen.
5. The high-efficiency environment-friendly industrial sewage odor treatment system according to claim 1, characterized in that: the two UV tubes (74) of each set of photocatalytic devices are arranged in a staggered manner.
6. The high-efficiency environment-friendly industrial sewage odor treatment system according to claim 1, characterized in that: an activated carbon adsorbent is arranged in the activated carbon adsorption box (76).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123017703.XU CN217042015U (en) | 2021-12-03 | 2021-12-03 | High-efficient environmental protection's industrial sewage odor treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123017703.XU CN217042015U (en) | 2021-12-03 | 2021-12-03 | High-efficient environmental protection's industrial sewage odor treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217042015U true CN217042015U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123017703.XU Active CN217042015U (en) | 2021-12-03 | 2021-12-03 | High-efficient environmental protection's industrial sewage odor treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217042015U (en) |
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2021
- 2021-12-03 CN CN202123017703.XU patent/CN217042015U/en active Active
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