CN210150907U

CN210150907U - Sewage treatment tank

Info

Publication number: CN210150907U
Application number: CN201920454164.XU
Authority: CN
Inventors: 杨书传; 钱从彪
Original assignee: Agricultural Environmental Engineering Co ltd
Current assignee: Agricultural Environmental Engineering Co ltd
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2020-03-17
Anticipated expiration: 2029-04-04

Abstract

The utility model provides a sewage treatment tank, which relates to the technical field of environmental protection and comprises a tank body, an upper clapboard, a lower clapboard and an overflow channel; when the upper partition plate and the lower partition plate are arranged in parallel, an overflow channel is formed between the upper partition plate and the lower partition plate; be equipped with coarse filtration district in the cell body in proper order, fine filtration district, anaerobic zone, anoxic zone, aerobic zone, UV catalytic oxidation district, the settling zone, purifying area and disinfection district, coarse filtration district upper portion is equipped with the inlet tube, the disinfection district lower part is equipped with the outlet pipe, coarse filtration district and fine filtration interval and UV catalytic oxidation district and settling zone all are equipped with overflow channel, fine filtration district, anaerobic zone, anoxic zone, aerobic zone and UV catalytic oxidation interval are equipped with baffle and lower baffle in proper order in turn, the settling zone, purifying area and disinfection interval are equipped with baffle and lower baffle in proper order. The utility model discloses degradation efficiency is high, and is with low costs, can effectively clear away organic pollutants such as heterocyclic compound that contains nitrogen, oxygen, sulphur.

Description

Sewage treatment tank

Technical Field

The utility model relates to an environmental protection technology field, concretely relates to sewage treatment pond.

Background

Sewage treatment is a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people. The existing sewage treatment tank has a simple structure and a single function, so that the realized function is also single, organic pollutants such as heterocyclic compounds containing nitrogen, oxygen and sulfur are difficult to effectively remove, and secondary pollution is caused during discharge.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the not enough of prior art, provide a sewage treatment pond, the degradation is efficient, and is with low costs, can effectively clear away organic pollutants such as heterocyclic compounds of nitrogenous, oxygen, sulphur.

The utility model provides a following technical scheme:

a sewage treatment tank comprises a tank body, an upper baffle plate, a lower baffle plate and an overflow channel;

the upper surface of the upper baffle plate is connected with the top of the tank body, a lower flow passage is formed between the lower surface of the upper baffle plate and the tank body, the lower surface of the lower baffle plate is connected with the bottom of the tank body, an upper flow passage is formed between the upper surface of the lower baffle plate and the tank body, and when the upper baffle plate and the lower baffle plate are arranged in parallel, the upper baffle plate and the lower baffle plate form the overflow passage;

be equipped with coarse filtration district, fine filtration district, anaerobic zone, anoxic zone, aerobic zone, UV catalytic oxidation district, settling zone, clean zone and disinfection district in the cell body in proper order, coarse filtration district upper portion is equipped with the inlet tube, the disinfection district lower part is equipped with the outlet pipe, coarse filtration district with fine filtration interval and UV catalytic oxidation district with settling zone all is equipped with the overflow passageway, fine filtration district, anaerobic zone, anoxic zone, aerobic zone and UV catalytic oxidation interval are equipped with in proper order in turn go up baffle and lower baffle, settling zone, clean zone and disinfection interval are equipped with in proper order go up baffle and lower baffle.

Preferably, the rough filtration area is provided with a coarse grid which is obliquely arranged, the fine filtration area is provided with a fine grid which is obliquely arranged, and the diameter of the filtration hole of the coarse grid is larger than that of the filtration hole of the fine grid.

Preferably, stirring shafts are arranged in the anaerobic zone, the anoxic zone and the UV catalytic oxidation zone, the top of each stirring shaft is connected with a motor, and blades are uniformly distributed on the stirring shafts.

Preferably, a plurality of first aeration branch pipes are arranged in the aerobic zone, the first aeration branch pipes are uniformly arranged in the height direction of the tank body, one ends of the first aeration branch pipes are converged with the aeration pipes, and the aeration pipes are connected with an aeration device.

Preferably, the bottom of the purification area is provided with a second aeration branch pipe, and the second aeration branch pipe is connected with the aeration pipe.

Preferably, the first aeration branch pipe and the second aeration branch pipe are respectively provided with aeration nozzles which are uniformly distributed.

Preferably, the purifying area still is equipped with and is located the filler mechanism of second aeration branch pipe top, filler mechanism include by the rectangle support network constitute the cuboid frame and fill in the inside filler of cuboid frame, the support network has elasticity and the edge is equipped with evenly distributed's go-between, the inner wall of purifying area be equipped with the retainer plate that the go-between position corresponds, the retainer plate with the go-between overlaps mutually and connects.

Preferably, the inner wall of the UV catalytic oxidation zone is provided with a plurality of ultraviolet lamps, and the sedimentation zone is internally provided with a filter screen which is obliquely arranged.

Preferably, a plurality of uniformly distributed dosing nozzles are arranged at the top of the disinfection area, the dosing nozzles are connected with dosing pipes, and the dosing pipes are connected with a dosing tank filled with disinfectant.

The utility model has the advantages that: the sewage entering the tank body is subjected to coarse filtration, fine filtration, anaerobic treatment, aerobic treatment, UV catalytic oxidation, precipitation filtration, purification and disinfection in sequence, and organic pollutants such as heterocyclic compounds containing nitrogen, oxygen and sulfur can be effectively removed to reach the discharge standard; the existence of the UV catalytic oxidation area can improve the degradation efficiency, and a chemical reagent catalytic oxidation mode is not needed, so that the cost is reduced; form runner and runner down through last baffle and lower baffle, the sewage circulation in each region of being convenient for through setting up overflow passage, can make sewage from the eminence overflow to reach the filter effect at fine filtration district and settling zone.

Drawings

The accompanying drawings are included to provide a further understanding and description of the invention.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic top view of the packing mechanism.

Labeled as: 1. a tank body; 2. a coarse filtration area; 3. a fine filtration zone; 4. an anaerobic zone; 5. an anoxic zone; 6. an aerobic zone; 7. a UV catalytic oxidation zone; 8. a settling zone; 9. a purification zone; 10. a sterile area; 11. a water inlet pipe; 12. coarse grating; 13. an upper partition plate; 14. a lower partition plate; 15. an overflow channel; 16. fine grids; 17. a motor; 18. a stirring shaft; 19. a paddle; 20. a first aeration branch pipe; 21. an aeration device; 22. an aeration pipe; 23. an ultraviolet lamp; 24. filtering with a screen; 25. a second aeration branch pipe; 26. a filler; 27. a support net; 28. a water outlet pipe; 29. a dosing nozzle; 30. a medicine feeding pipe; 31. a medicine adding tank; 32. a stationary ring; 33. and (7) connecting rings.

Detailed Description

As shown in fig. 1 and 2, a sewage treatment tank comprises a tank body 1, an upper partition plate 13, a lower partition plate 14 and an overflow channel 15; the upper surface of the upper baffle plate 13 is connected with the top of the tank body 1, a lower flow passage is formed between the lower surface and the tank body 1, the lower surface of the lower baffle plate 14 is connected with the bottom of the tank body 1, an upper flow passage is formed between the upper surface and the tank body 1, and when the upper baffle plate 13 and the lower baffle plate 14 are arranged in parallel, an overflow passage 15 is formed between the upper baffle plate and the lower baffle plate; a coarse filtration zone 2, a fine filtration zone 3, an anaerobic zone 4, an anoxic zone 5, an aerobic zone 6, a UV catalytic oxidation zone 7, a sedimentation zone 8, a purification zone 9 and a disinfection zone 10 are sequentially arranged in a tank body 1, a water inlet pipe 11 is arranged at the upper part of the coarse filtration zone 2, a water outlet pipe 28 is arranged at the lower part of the disinfection zone 10, overflow channels 15 are respectively arranged between the coarse filtration zone 2 and the fine filtration zone 3 and between the UV catalytic oxidation zone 7 and the sedimentation zone 8, upper partition plates 13 and lower partition plates 14 are sequentially and alternately arranged between the fine filtration zone 3, the anaerobic zone 4, the anoxic zone 5, the aerobic zone 6 and the UV catalytic oxidation zone 7, and upper partition plates 13 and lower partition plates 14 are sequentially arranged between the sedimentation zone 8, the purification zone 9 and the disinfection zone 10.

The coarse filtration area 2 is provided with a coarse grid 12 which is obliquely arranged, the fine filtration area 3 is provided with a fine grid 16 which is obliquely arranged, the diameter of the filtration hole of the coarse grid 12 is larger than that of the filtration hole of the fine grid 16, and the double filtration removes particle impurities in the sewage.

All be equipped with (mixing) shaft 18 in anaerobic zone 4, anoxic zone 5 and the UV catalytic oxidation district 7, the top of (mixing) shaft 18 is connected with motor 17, is equipped with evenly distributed's paddle 19 on the (mixing) shaft 18, and motor 17 drive (mixing) shaft 18 rotates, and paddle 19 stirs regional interior sewage, can accelerate relevant reaction, improves sewage treatment efficiency.

Be equipped with a plurality of first aeration branch pipes 20 in the aerobic zone 6, first aeration branch pipe 20 is at the direction of height uniform arrangement of cell body 1, can let in oxygen from different heights, is favorable to improving aerobic treatment's efficiency, and the one end of first aeration branch pipe 20 is joined in aeration pipe 22, and aeration pipe 22 is connected with aeration equipment 21. The bottom of the purification area 9 is provided with a second aeration branch pipe 25, and the second aeration branch pipe 25 is connected with the aeration pipe 22. The first aeration branch pipe 20 and the second aeration branch pipe 25 are respectively provided with aeration nozzles which are uniformly distributed.

The purification area 9 is further provided with a filling mechanism located above the second aeration branch pipe 25, the filling mechanism comprises a rectangular frame formed by a rectangular support net 27 and filling materials 26 filled in the rectangular frame, the support net 27 has elasticity, the edges of the support net 27 are provided with uniformly distributed connection rings 33, the inner wall of the purification area 9 is provided with a fixing ring 32 corresponding to the connection rings 33, and the fixing ring 32 is sleeved with the connection rings 33. The supporting net 27 has elasticity, and can buffer the impact force of sewage flowing and the impact of airflow emitted by the second branch aeration pipe 25, so that the service life of the filling mechanism is prolonged.

The inner wall of the UV catalytic oxidation zone 7 is provided with a plurality of ultraviolet lamps 23, and the sedimentation zone 8 is internally provided with a filter screen 24 which is obliquely arranged.

The top of the disinfection area 10 is provided with a plurality of uniformly distributed dosing nozzles 29, the dosing nozzles 29 are connected with a dosing pipe 30, the dosing pipe 30 is connected with a dosing tank 31 filled with disinfectant, the disinfectant flows out of the dosing tank 31 and is sprayed into the disinfection area 10 through the dosing pipe 30 and the dosing nozzles 29 to disinfect the sewage.

The utility model discloses a theory of operation does: sewage to be treated flows into the coarse filtering area 2 from the water inlet pipe 11, and the coarse grating 12 is used for preliminary filtering to filter out large-particle impurities; then enters the fine filtering area 3 through an overflow channel 15, and is further filtered by a fine grid 16 to remove particles such as silt in the sewage; then the sewage enters an anaerobic zone 4 for anaerobic treatment, enters an anoxic zone 5 for anoxic treatment, enters an aerobic zone 6 for aerobic treatment, and most of organic pollutants are removed; then, the wastewater enters a UV catalytic oxidation zone 7 for catalytic oxidation reaction, organic pollutants such as heterocyclic compounds containing nitrogen, oxygen and sulfur are further removed, and the wastewater is filtered in a precipitation zone 8; then the sewage enters a purification area 9, and is subjected to secondary aerobic treatment and adsorption by a filler mechanism, so that the content of organic pollutants in the sewage is further reduced; finally, the sewage enters the disinfection area 10, and a disinfectant is added, so that the treated sewage is nontoxic and finally flows out of the water outlet pipe 28 to reach the discharge standard.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalent changes may be made to some of the technical features of the embodiments. 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

1. A sewage treatment tank is characterized by comprising a tank body, an upper baffle plate, a lower baffle plate and an overflow channel;

2. The sewage treatment pond according to claim 1, wherein the coarse filtration area is provided with a coarse grid which is obliquely arranged, the fine filtration area is provided with a fine grid which is obliquely arranged, and the diameter of the filtration holes of the coarse grid is larger than that of the filtration holes of the fine grid.

3. The sewage treatment pond according to claim 1, wherein stirring shafts are arranged in the anaerobic zone, the anoxic zone and the UV catalytic oxidation zone, the top of each stirring shaft is connected with a motor, and blades are uniformly distributed on each stirring shaft.

4. A sewage treatment tank according to claim 1, wherein a plurality of first aeration branch pipes are arranged in the aerobic zone, the first aeration branch pipes are uniformly arranged in the height direction of the tank body, one ends of the first aeration branch pipes are converged with aeration pipes, and the aeration pipes are connected with aeration devices.

5. A sewage treatment pond according to claim 4, wherein a second branch aerator pipe is arranged at the bottom of the purification area and is connected with the aeration pipe.

6. A sewage treatment pond according to claim 5, wherein the aeration nozzles are uniformly distributed on the first branch aeration pipe and the second branch aeration pipe.

7. The sewage treatment pond according to claim 5 or 6, wherein the purification area is further provided with a filler mechanism located above the second aeration branch pipe, the filler mechanism comprises a rectangular frame consisting of a rectangular support net and a filler filled in the rectangular frame, the support net has elasticity and has an edge provided with uniformly distributed connection rings, the inner wall of the purification area is provided with a fixing ring corresponding to the connection ring, and the fixing ring is sleeved with the connection rings.

8. The sewage treatment pond according to claim 1, wherein a plurality of ultraviolet lamps are arranged on the inner wall of the UV catalytic oxidation zone, and an obliquely arranged filter screen is arranged in the sedimentation zone.

9. The sewage treatment tank of claim 1, wherein a plurality of uniformly distributed dosing nozzles are arranged at the top of the disinfection area, and are connected with dosing pipes which are connected with dosing tanks containing disinfectants.