CN211311157U

CN211311157U - Utilize powdered activated carbon to get rid of processing system of COD in sewage

Info

Publication number: CN211311157U
Application number: CN201922233596.0U
Authority: CN
Inventors: 覃大创; 徐静
Original assignee: Beijing Yansan Veolia Water Co Ltd
Current assignee: Beijing Yansan Veolia Water Co Ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-08-21
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses an utilize powdered activated carbon to get rid of processing system of COD in sewage, including the buffer pool that intakes, the pond thoughtlessly congeals, the injection pond, the flocculation reaction pond, sedimentation concentration tank and play pond, the case is thrown to the last fixedly connected with powdered activated carbon that intakes of buffer pool, the right side upper end of the buffer pool that intakes is linked together through first water pipe with the left side upper end in thoughtlessly congealing the pond, the right side lower extreme in thoughtlessly congealing the pond is connected with the injection pond through the collector pipe, the upper end in injection pond is connected with flocculating agent PAC and throws the case, the right side upper end in injection pond passes through collector pipe fixedly connected with flocculation reaction pond, the upper end in flocculation reaction pond is connected with anion macromolecular flocculating agent PAM and throws the case, the right side lower extreme in. The utility model discloses an add powdered activated carbon, flocculating agent PAC and anion high molecular flocculant PAM in reverse osmosis strong brine, can effectively reduce strong brine COD for the strong brine reaches the emission requirement.

Description

Utilize powdered activated carbon to get rid of processing system of COD in sewage

Technical Field

The utility model relates to a strong brine treatment technical field specifically is an utilize powdered activated carbon to get rid of processing system of COD in sewage.

Background

Along with the continuous development of industrialization, the chemical products are of various types, cause the chemical wastewater composition that produces in the production process to be complicated, after handling sewage, can produce a large amount of strong brine, this strong brine derives from reverse osmosis system's strong brine in the sewage retrieval and utilization, because get into reverse osmosis system and handle before having carried out biological treatment by the biochemical structure oxidation ditch of second grade, and add sodium hypochlorite and carry out the oxidation of disinfecting, and further get into reverse osmosis system after handling by ultrafiltration system, consequently the COD majority that contains in the strong brine is the biochemical dissolved class micromolecule organic matter that dissolves, it is high to contain the salt volume, it is difficult to handle, therefore it is necessary to improve prior art, in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide an utilize powdered activated carbon to get rid of processing system of COD in sewage to solve the problem that provides among the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a treatment system for removing COD in sewage by using powdered activated carbon comprises a water inlet buffer pool, a coagulation pool, an injection pool, a flocculation reaction pool, a sedimentation concentration pool and a water outlet pool, wherein an upper top fixedly connected with powdered activated carbon feeding box of the water inlet buffer pool is communicated with a first blanking pipe and the water inlet buffer pool, the right upper end of the water inlet buffer pool is communicated with the left upper end of the coagulation pool through a first water pipe, the right lower end of the coagulation pool is fixedly connected with the injection pool through a water collecting pipe, the upper end fixedly connected with a flocculating agent PAC feeding box of the injection pool, the flocculating agent PAC feeding box is communicated with the injection pool through a second blanking pipe, the right upper end of the injection pool is fixedly connected with the flocculation reaction pool through a water collecting pipe, the upper end fixedly connected with an anionic high molecular flocculating agent PAM feeding box of the flocculation reaction pool, anion polymeric flocculant PAM throws the feed box and is linked together through third unloading pipe and flocculation reaction tank, the right side lower extreme of flocculation reaction tank passes through collector pipe fixedly connected with sedimentation concentration pond, the right side upper end of sedimentation concentration pond passes through collector pipe fixedly connected with effluent pool, the right side wall lower extreme of effluent pool is equipped with the delivery port, the left side upper end of the buffer pool of intaking is equipped with the water inlet, the lower extreme fixedly connected with second water pipe of sedimentation concentration pond, the other end fixedly connected with injection pond's of second water pipe upper end.

Preferably, the inside intermediate position department fixedly connected with of sedimentation concentration pond deposits the swash plate, both ends are rotated respectively and are connected with the live-rollers, two about the top that lies in the sediment swash plate between the wall of the front and back both sides of sedimentation concentration pond the transmission is connected with the conveyer belt between the live-rollers, pass through connecting block fixedly connected with scraper blade on the conveyer belt.

Preferably, the left end of the lower bottom of the sedimentation concentration tank is fixedly connected with a sludge collecting tank.

Preferably, the middle positions of the upper ends of the coagulation tank, the injection tank and the flocculation reaction tank are fixedly connected with first motors, the rotating ends of the first motors are fixedly connected with stirring shafts, and the stirring shafts are uniformly connected with stirring rods.

Preferably, the first water pipe is fixedly connected with a first water pump, and the second water pipe is fixedly connected with a second water pump.

Preferably, the rear side surface of the precipitation concentration tank is fixedly connected with a second motor at a position corresponding to the upper rotating roller, and the rotating end of the second motor penetrates through the precipitation concentration tank and is fixedly connected with the rotating roller.

Preferably, the first discharging pipe, the second discharging pipe and the third discharging pipe are respectively and fixedly connected with a valve.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: compared with the traditional sewage treatment device, the treatment system for removing COD in sewage by using the powdered activated carbon adds the powdered activated carbon in the water inlet buffer tank of the box through the powdered activated carbon adding box, the powdered activated carbon has good void structure and strong adsorption performance, when sewage and powdered activated carbon are mixed in sewage treatment, COD can be adsorbed and removed by fine voids in the powdered activated carbon, then concentrated brine added with the powdered activated carbon enters the coagulation tank through the first water pipe, the powdered activated carbon adsorbing COD can be subjected to flocculation and precipitation so as to be removed by adding a PAC flocculating agent into the injection tank, the precipitation speed of the powdered activated carbon adsorbing COD can be accelerated by adding an anion high molecular flocculating agent PAM into the flocculation reaction tank, the lower end of the right side of the flocculation reaction tank is fixedly connected with a precipitation concentration tank through a water collecting pipe, so that the powdered activated carbon containing COD precipitates, the water of sedimentation concentration pond top passes through the collector pipe and enters into in going out the pond, so that discharge, the lower extreme fixedly connected with second water pipe of sedimentation concentration pond, the upper end of the other end fixedly connected with injection pond of second water pipe, can part active carbon precipitation cycle through the second water pipe recirculate in the injection pond, improve the rate of utilization of powdered activated carbon, therefore, the carrier wave prepaid electric energy meter is low in cost, avoid extravagant, the coagulating basin, the equal fixedly connected with first motor in upper end intermediate position of injection pond and flocculation reaction pond, the rotation end fixedly connected with (mixing) shaft of first motor, evenly connected with the puddler on the (mixing) shaft, rotate through first motor drive (mixing) shaft, can make the puddler to the coagulating basin, the liquid in injection pond and the flocculation reaction pond stirs, accelerate reaction rate, and improve reaction quality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the sedimentation concentration tank of the present invention;

fig. 3 is a schematic side view structure diagram of the sedimentation concentration tank of the present invention.

The reference numbers in the figures are: 1. a water inlet buffer pool; 2. a coagulation tank; 3. an injection pool; 4. a flocculation reaction tank; 5. a sedimentation concentration tank; 6. a water outlet pool; 7. a water inlet; 8. a first water pump; 9. a first water pipe; 10. a powdered activated carbon feeding box; 11. a first blanking pipe; 12. a flocculating agent PAC adding box; 13. a second blanking pipe; 14. adding an anionic high-molecular flocculant PAM into a tank; 15. a third blanking pipe; 16. a valve; 17. a water collection pipe; 18. a second water pipe; 19. a second water pump; 20. a water outlet; 21. a first motor; 22. a stirring shaft; 23. a stirring rod; 24. a sedimentation sloping plate; 25. a rotating roller; 26. a conveyor belt; 27. connecting blocks; 28. a squeegee; 29. a second motor; 30. a sludge collecting tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a treatment system for removing COD in sewage by using powdered activated carbon comprises a water inlet buffer tank 1, a coagulation tank 2, an injection tank 3, a flocculation reaction tank 4, a precipitation concentration tank 5 and a water outlet tank 6, wherein a powdered activated carbon adding tank 10 is fixedly connected to the upper top of the water inlet buffer tank 1, the powdered activated carbon adding tank 10 is communicated with a first blanking pipe 11 and the water inlet buffer tank 1, powdered activated carbon is added into the water inlet buffer tank 1 through the powdered activated carbon adding tank 10, the powdered activated carbon has a good gap structure and strong adsorption performance, when sewage and powdered activated carbon are mixed in sewage treatment, small gaps in the powdered activated carbon can adsorb and remove COD, the upper end of the right side of the water inlet buffer tank 1 is communicated with the upper end of the left side of the coagulation tank 2 through a first water pipe 9, the lower end of the right side of the coagulation tank 2 is fixedly connected with the injection tank 3 through a water collecting pipe 17, the upper end of the injection tank 3 is fixedly connected with a flocculating agent PAC adding box 12, the flocculating agent PAC adding box 12 is communicated with the injection tank 3 through a second discharging pipe 13, the powdery active carbon adsorbing COD can be flocculated and precipitated to be removed by adding the flocculating agent PAC into the injection tank 3, the upper end of the right side of the injection tank 3 is fixedly connected with a flocculation reaction tank 4 through a water collecting pipe 17, the upper end of the flocculation reaction tank 4 is fixedly connected with an anion high molecular flocculating agent PAM adding box 14, the anion high molecular flocculating agent PAM adding box 14 is communicated with the flocculation reaction tank 4 through a third discharging pipe 15, the powdery active carbon adsorbing COD can be flocculated and precipitated to be removed by adding the anion high molecular flocculating agent PAM into the flocculation reaction tank 4, the lower end of the right side of the flocculation reaction tank 4 is fixedly connected with a precipitation concentration tank 5 through the water collecting pipe 17, so that the powdery active carbon containing COD, the water of 5 tops in the concentrated pond of sediment passes through the collector pipe 17 and enters into outlet basin 6, so that discharge, the right side upper end of the concentrated pond of sediment 5 passes through the collector pipe 17 fixedly connected with outlet basin 6, the right side wall lower extreme of outlet basin 6 is equipped with delivery port 20, the left side upper end of the buffer pool 1 of intaking is equipped with water inlet 7, the lower extreme fixedly connected with second water pipe 18 of the concentrated pond of sediment 5, the other end fixedly connected with injection pond 3's of second water pipe 18 upper end, can some active carbon deposit through second water pipe 18 and recirculate to reuse in the injection pond 3, the rate of utilization of powdered active carbon is improved, the cost is reduced, avoid extravagant.

Further, the inside intermediate position department fixedly connected with of sedimentation concentration tank 5 deposits swash plate 24, can make the flocculate of aquatic deposit fast through depositing swash plate 24, both ends are rotated respectively and are connected with live-rollers 25 about being located the top of depositing swash plate 24 between the wall of the front and back both sides of sedimentation concentration tank 5, the transmission is connected with conveyer belt 26 between two live-rollers 25, pass through connecting block 27 fixedly connected with scraper blade 28 on the conveyer belt 26, can drive live-rollers 25 through second motor 29 and rotate, and then drive conveyer belt 26 and rotate, make the continuous motion of scraper blade 28, and scrape the precipitate on the swash plate 24 down.

Further, the left end of the lower bottom of the sedimentation concentration tank 5 is fixedly connected with a sludge collection tank 30, and scraped sediments can be collected in a centralized manner.

Further, thoughtlessly congeal the equal first motor 21 of fixedly connected with in upper end intermediate position of pond 2, injection pond 3 and flocculation reaction tank 4, the rotation of first motor 21 holds fixedly connected with (mixing) shaft 22, evenly is connected with puddler 23 on the (mixing) shaft 22, rotates through first motor 21 drive (mixing) shaft 22, can make puddler 23 stir the liquid in pond 2, injection pond 3 and the flocculation reaction tank 4 for reaction rate.

Further, a first water pump 8 is fixedly connected to the first water pipe 9, and a second water pump 19 is fixedly connected to the second water pipe 18.

Further, a second motor 29 is fixedly connected to the rear side surface of the precipitation concentration tank 5 at a position corresponding to the upper rotating roller 25, and the rotating end of the second motor 29 penetrates through the precipitation concentration tank 5 and is fixedly connected with the rotating roller 25.

Further, valves 16 are respectively and fixedly connected to the first discharging pipe 11, the second discharging pipe 13 and the third discharging pipe 15, and the feeding amounts of the powdered activated carbon feeding box 10, the flocculating agent PAC feeding box 12 and the anionic polymeric flocculating agent PAM feeding box 14 can be controlled.

The working principle is as follows: concentrated brine enters a water inlet buffer tank 1 through a water inlet 7, a powdered activated carbon adding box 10 is fixedly connected to the upper top of the water inlet buffer tank 1, the powdered activated carbon adding box 10 is communicated with a first discharging pipe 11 and the water inlet buffer tank 1, powdered activated carbon is added into the water inlet buffer tank 1 through the powdered activated carbon adding box 10, when sewage and powdered activated carbon are mixed in sewage treatment, COD can be adsorbed and removed through fine gaps in the powdered activated carbon, then the concentrated brine added with the powdered activated carbon enters a coagulation tank 2 through a first water pipe 9, the concentrated brine in the coagulation tank 2 enters an injection tank 3 through a water collecting pipe 17, a flocculating agent PAC adding box 12 is fixedly connected to the upper end of the injection tank 3, the flocculating agent PAC adding box 12 is communicated with the injection tank 3 through a second discharging pipe 13, and flocculating and precipitating powder activated carbon adsorbed with the COD for removal through flocculating and adding a flocculating agent PAC into the injection tank 3, concentrated brine in the injection pool 3 enters the flocculation reaction pool 4 through the water collecting pipe 17, the upper end of the flocculation reaction pool 4 is fixedly connected with an anion high molecular flocculant PAM adding box 14, the anion high molecular flocculant PAM adding box 14 is communicated with the flocculation reaction pool 4 through a third blanking pipe 15, the precipitation speed of powdery activated carbon adsorbing COD is accelerated by adding the anion high molecular flocculant PAM into the flocculation reaction pool 4, the lower end of the right side of the flocculation reaction pool 4 is fixedly connected with a precipitation concentration pool 5 through the water collecting pipe 17, so that the powdery activated carbon containing COD is precipitated, water above the precipitation concentration pool 5 enters the water outlet pool 6 through the water collecting pipe 17, the lower end of the precipitation concentration pool 5 is fixedly connected with a second water pipe 18, the other end of the second water pipe 18 is fixedly connected with the upper end of the injection pool 3, and part of the activated carbon can be precipitated and recycled in the injection pool 3 through the second water pipe 18, the equal first motor 21 of fixedly connected with in the upper end intermediate position of coagulating basin 2, injection pond 3 and flocculation reaction tank 4, the rotation end fixedly connected with (mixing) shaft 22 of first motor 21 evenly is connected with puddler 23 on the (mixing) shaft 22, can make puddler 23 stir the liquid in coagulating basin 2, injection pond 3 and the flocculation reaction tank 4.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an utilize powdered activated carbon to get rid of processing system of COD in sewage, includes into water buffer pool (1), coagulating basin (2), injection pond (3), flocculation reaction pond (4), sedimentation concentration tank (5) and play water pool (6), its characterized in that: the feeding device is characterized in that a box (10) is fixedly connected with powdered activated carbon on the upper top of a water inlet buffer pool (1) and is communicated with a first discharging pipe (11) and the water inlet buffer pool (1), the right upper end of the water inlet buffer pool (1) is communicated with the left upper end of a coagulation pool (2) through a first water pipe (9), the right lower end of the coagulation pool (2) is fixedly connected with an injection pool (3) through a water collecting pipe (17), the upper end of the injection pool (3) is fixedly connected with a flocculating agent PAC feeding box (12), the flocculating agent PAC feeding box (12) is communicated with the injection pool (3) through a second discharging pipe (13), the right upper end of the injection pool (3) is fixedly connected with a flocculation reaction pool (4) through the water collecting pipe (17), the upper end of the flocculation reaction pool (4) is fixedly connected with an anionic high molecular flocculating agent PAM feeding box (14), anion polymeric flocculant PAM throws feeder box (14) and is linked together through third unloading pipe (15) and flocculation reaction tank (4), the right side lower extreme of flocculation reaction tank (4) passes through collector pipe (17) fixedly connected with sedimentation concentration pond (5), collector pipe (17) fixedly connected with effluent pool (6) are passed through to the right side upper end of sedimentation concentration pond (5), the right side wall lower extreme of effluent pool (6) is equipped with delivery port (20), the left side upper end of intaking buffer pool (1) is equipped with water inlet (7), the lower extreme fixedly connected with second water pipe (18) of sedimentation concentration pond (5), the upper end of the other end fixedly connected with injection pond (3) of second water pipe (18).

2. The system for removing COD in sewage by using powdered activated carbon as claimed in claim 1, wherein: the utility model discloses a sedimentation concentration pond, including the inside intermediate position department fixedly connected with of sedimentation concentration pond (5) deposit swash plate (24), both ends are rotated respectively and are connected with live-rollers (25), two about the top that is located sedimentation swash plate (24) between the wall of the front and back both sides of sedimentation concentration pond (5) the transmission is connected with conveyer belt (26) between live-rollers (25), go up through connecting block (27) fixedly connected with scraper blade (28) on conveyer belt (26).

3. The system for removing COD in sewage by using powdered activated carbon as claimed in claim 1, wherein: the left end of the lower bottom of the sedimentation concentration tank (5) is fixedly connected with a sludge collecting tank (30).

4. The system for removing COD in sewage by using powdered activated carbon as claimed in claim 1, wherein: the utility model discloses a flocculation basin, including coagulation basin (2), injection pond (3) and flocculation reaction tank (4), the equal first motor of fixedly connected with (21) of upper end intermediate position of coagulation basin (2), injection pond (3) and flocculation reaction tank (4), the rotation end fixedly connected with (mixing) shaft (22) of first motor (21), evenly be connected with puddler (23) on (mixing) shaft (22).

5. The system for removing COD in sewage by using powdered activated carbon as claimed in claim 1, wherein: the first water pipe (9) is fixedly connected with a first water pump (8), and the second water pipe (18) is fixedly connected with a second water pump (19).

6. The system for removing COD in sewage by using powdered activated carbon as claimed in claim 1, wherein: the rear side surface of the precipitation concentration tank (5) corresponds to the position of the upper rotating roller (25) and is fixedly connected with a second motor (29), and the rotating end of the second motor (29) penetrates through the precipitation concentration tank (5) and is fixedly connected with the rotating roller (25).

7. The system for removing COD in sewage by using powdered activated carbon as claimed in claim 1, wherein: and valves (16) are respectively and fixedly connected to the first discharging pipe (11), the second discharging pipe (13) and the third discharging pipe (15).