CN109665621B - Convenient high-efficient energy-saving module integrated sewage biological treatment system - Google Patents
Convenient high-efficient energy-saving module integrated sewage biological treatment system Download PDFInfo
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- CN109665621B CN109665621B CN201910095737.9A CN201910095737A CN109665621B CN 109665621 B CN109665621 B CN 109665621B CN 201910095737 A CN201910095737 A CN 201910095737A CN 109665621 B CN109665621 B CN 109665621B
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
Abstract
The invention discloses a convenient, efficient and energy-saving module integrated sewage biological treatment system, which comprises: the anaerobic reaction aerobic nitration reaction combination box, the anaerobic reaction aerobic nitration reaction reverse combination box, the denitrification reaction filtration combination box and the denitrification reaction filtration reverse combination box are reasonably combined together, the front anaerobic reaction, the aerobic nitration reaction, the denitrification reaction and the adsorption filtration purification modularization are combined together, the aerobic nitration zone uses a combined biochemical ball group and a waterwheel type biological roller without aeration, the system fully utilizes the gravity action vertical fall of water, fully utilizes the space of each process module, achieves the purpose of good energy saving and efficiency improvement, is beneficial to large-scale production and convenient installation, and meets the sewage treatment requirements of small and medium enterprises, breeding enterprises, remote mountain areas and black and odorous water bodies. The invention can be assembled in a container or in a mobile sewage treatment vehicle, can be connected in series with a plurality of groups of boxes according to the sewage pollution degree, and can also be connected in parallel with a plurality of groups of systems according to the sewage flow so as to improve the load bearing.
Description
Technical Field
The invention relates to the technical field of sewage treatment equipment, in particular to a convenient, efficient and energy-saving module integrated sewage biological treatment system.
Background
With the rapid development of industrial and agricultural production in China, the total nitrogen, phosphorus and oxygen-consuming organic pollutants in the water body are increased increasingly. The wastewater is discharged into a river in a large quantity, so that dissolved oxygen in the water body is consumed in a large quantity, and nitrate nitrogen in the water environment forms N-nitroso compounds under the action of various nitrogenous organic compounds, thereby seriously affecting living environments of animals, plants and human beings.
Common sewage denitrification methods include neutralization, chemical precipitation, air stripping, ion exchange and other physical and chemical methods, nitrification and denitrification biological denitrification methods, and the like. The sewage biological treatment is a main method for sewage treatment, which comprises two series of biological activated sludge method and biological membrane method, but has the characteristics of complex process, high cost, large occupied area and difficult maintenance.
The aerobic treatment unit and the anaerobic treatment unit are integrated, and the land area, the capital cost and the pipeline equipment investment can be greatly reduced by the aid of the equipment and the modularization, so that the anaerobic-aerobic integrated bioreactor becomes a trend of bioreactor development, and the problems of modularization, convenience and energy conservation are also the problems to be solved urgently at present.
Disclosure of Invention
The invention aims to provide a convenient, efficient and energy-saving module integrated sewage biological treatment system so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a convenient, efficient and energy-saving module integrated sewage biological treatment system comprises: an anaerobic reaction and aerobic nitration reaction combination box; an anaerobic reaction and aerobic nitration reaction reverse combination box; a denitrification reaction filtration combination box; filtering the reverse combination box in the denitrification reaction;
the anaerobic reaction aerobic nitration reaction combined box consists of a first sealed box body, a first water inlet, a first partition board, a second partition board and a first water outlet, wherein the first partition board and the second partition board are fixedly connected in the first sealed box body in a parallel inclined manner, the first partition board and the second partition board divide the first sealed box body into three parts, namely an anaerobic cavity, a passageway cavity and a nitration cavity, the upper end of the first partition board is connected with the first water inlet, the lower end of the first partition board is provided with an open water passing board, the anaerobic cavity is arranged below the first partition board, anaerobic filler is filled in the anaerobic cavity, the lower end of the second partition board is connected with the first water outlet, the nitration cavity is arranged above the second partition board, a porous biological filler box, a waterwheel type biological reaction roller and a baffle plate are sequentially arranged on the upper end surface of the second partition board from top to bottom, and the upper end of the first sealed box body is provided with an air window; the waterwheel type biological reaction roller consists of a rotating shaft, a biological carrier cylinder and blades, wherein the biological carrier cylinder is fixedly connected to the rotating shaft, aerobic nitrifying microorganisms are cultured in the biological carrier cylinder, the blades are uniformly fixedly connected to the rotating shaft, and the length of the blades is larger than the diameter of the biological carrier cylinder;
the anaerobic reaction aerobic nitrification reaction reverse combination box and the anaerobic nitrification reaction combination box are structurally symmetrical in the horizontal direction, and a water inlet of the anaerobic reaction aerobic nitrification reaction reverse combination box is closely attached to and connected with a water outlet of the anaerobic reaction aerobic nitrification reaction combination box;
the denitrification reaction filtration combination box consists of a second sealed box body, a second water inlet, a third partition plate, a fourth partition plate and a second water outlet, wherein the third partition plate and the fourth partition plate are fixedly connected in the second sealed box body in a parallel inclined manner, the third partition plate and the fourth partition plate divide the second sealed box body into three parts, namely a denitrification cavity, a passageway cavity and an adsorption filtration cavity, the upper end of the third partition plate is connected with the second water inlet, the lower end of the third partition plate is provided with an open-pore water passing plate, the denitrification cavity is arranged below the third partition plate, denitrification filler is filled in the denitrification cavity, the lower end of the fourth partition plate is connected with the second water outlet, a filtering area water baffle and an overflow channel water baffle are respectively arranged at the rear side of the fourth partition plate, an adsorption filtration cavity is filled with active carbon filter materials, and the lower end of the filtering area water baffle is provided with an open-pore water passing plate; the water inlet of the denitrification filtering combination box is closely attached to and communicated with the water outlet of the anaerobic reaction aerobic nitrification reverse combination box;
the denitrification filtering reverse combination box and the denitrification filtering combination box are symmetrical in structure in the horizontal direction, and a water inlet of the denitrification filtering reverse combination box is closely attached to and connected with a water outlet of the denitrification filtering combination box.
Further, the lower end of the first water inlet is provided with an opening water passing plate, a filter bag is arranged in the first water inlet, and a first exhaust hole is formed in the outer side of the first water inlet.
Further, a carbon source adder and a second exhaust hole are arranged on the outer side of the second water inlet.
Further, the outer sides of the anaerobic cavity and the denitrification cavity are provided with backwashing holes.
Further, the anaerobic reaction and aerobic nitration reaction combined box and the anaerobic reaction and aerobic nitration reaction reverse combined box are one group, and a plurality of groups can be arranged in series; the denitrification reaction filtration combination box and the denitrification reaction filtration reverse combination box are one group, a plurality of groups can be arranged in series, and the formed systems can be connected in parallel.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention combines the functions of pre-anaerobic reaction, aerobic nitration reaction, denitrification reaction and filtration purification together in a modularized and reasonable way, fully utilizes the vertical fall of the gravity action of water, fully utilizes the space of each module and achieves good energy-saving and efficiency-improving effects;
2. the front end of the aerobic nitrification zone uses the biological stuffing box, and the combined biochemical balls are pushed to move by utilizing the hydraulic action, so that the combined biochemical balls are in a dry-wet alternating state and an oxygen sufficient state, nitrifying bacteria are facilitated to form a nitrifying reaction, aeration equipment is not needed, the energy consumption is saved, and the purification efficiency is improved.
3. The waterwheel type biological roller in the aerobic zone is pushed by utilizing water power, the roller biological carrier is circularly in the air in water, and the alternate dry and wet oxygen is sufficient, so that the microbial nitrification efficiency is improved, the biological roller does not need external energy sources, an aeration system is not needed, the energy is saved, the consumption is reduced, and the water treatment quality efficiency is improved;
4. the invention can be used with other sewage treatment processes in an optimized combination way, and has the characteristics of flexibility, economy and high efficiency;
5. because each part of processing equipment of the system adopts a cuboid box body combination mode, the external dimension and the connection mode of each box body can adopt standard box bodies, and the box bodies can be manufactured in a factory according to standards by adopting an industrial production mode to form large-scale production, so that the cost is greatly reduced, and the on-site installation and maintenance are also very simple, convenient and quick;
6. at present, the method is only suitable for sewage treatment with smaller load, but can adopt a mode of connecting multiple tanks in series and connecting the systems in parallel to improve the treatment capacity.
The filter bag can use polypropylene fiber cloth; the anaerobic filler can use soft fiber filler, PE semi-soft filler and combined fiber filler, and suspension filler (high polymer biochemical balls and hydroformylation vinylon silk bundles), wherein the externally added carbon source mainly comprises methanol, ethanol, sodium acetate, glucose and sucrose; the denitrification filler can be a biological rope made of polypropylene and vinylon materials or a combination filler of biochemical balls and fiber filaments; the porous biological stuffing box is internally provided with a combined biological stuffing which adopts polypropylene porous biochemical balls, and polyurethane biochemical cotton is filled in the balls; the biological carrier cylinder of the waterwheel type biological roller adopts high molecular porous hydrophilic materials such as rattan cotton and the like.
The invention can be arranged in series according to the sewage pollution condition, and can also be arranged in parallel according to the sewage flow to improve the load.
Drawings
FIG. 1 is a schematic diagram of a combined anaerobic-aerobic nitration tank;
FIG. 2 is a schematic diagram of the anaerobic-reaction aerobic-nitration reaction reverse combination box structure of the invention;
FIG. 3 is a schematic diagram of the structure of the denitrification filtering combination box of the invention;
FIG. 4 is a schematic diagram of a denitrification filtration reverse combination tank structure according to the invention;
in the figure: an anaerobic reaction and aerobic nitrification reaction combined box-A, an anaerobic reaction and aerobic nitrification reaction reverse combined box-B, a denitrification reaction and filtration combined box-C and a denitrification reaction and filtration reverse combined box-D;
11-a first sealed box; 12-a first water inlet; 13-a first separator; 14-a second separator; 15-a first water outlet; 16-anaerobic filler; 17-a perforated biological stuffing box; 18-waterwheel type biological reaction roller; 19-a baffle; a-an anaerobic cavity; b-aisle cavity; c-nitrifying the cavity;
31-a rotating shaft; 32-a biological carrier cylinder; 33-leaf;
21-a second sealed box; 22-a second water inlet; 23-a third separator; 24-fourth separator; 25-a second water outlet; 26-denitrification filler; 27-a filtering area water baffle; 28-overflow channel water baffle; 29-an activated carbon filter material; d-denitrification cavity; e-aisle cavity; f-adsorbing and filtering the cavity;
3-perforating a water passing plate; 4-air window; 5, filtering bag; 6 a-a first vent; 6 b-a second vent; 7-a carbon source adder; 8-back flushing holes.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides a convenient, efficient and energy-saving module integrated sewage biological treatment system, comprising: an anaerobic reaction aerobic nitrification reaction combined box A, an anaerobic reaction aerobic nitrification reaction reverse combined box B, a denitrification reaction filtering combined box C and a denitrification reaction filtering reverse combined box D,
the anaerobic reaction aerobic nitration reaction combined box A consists of a first sealed box body 11, a first water inlet 12, a first partition plate 13, a second partition plate 14 and a first water outlet 15, wherein the first partition plate 13 and the second partition plate 14 are fixedly connected in a parallel inclined manner in the first sealed box body 11, the first partition plate 13 and the second partition plate 14 divide the first sealed box body 11 into three parts which are respectively an anaerobic cavity a, a passage cavity b and a nitration cavity c, wherein the upper end of the first partition plate 12 is connected with the first water inlet 12, an open-pore water passing plate 3a is arranged at the lower end of the first partition plate 13, an anaerobic cavity a is arranged below the first partition plate 13, anaerobic filler 15 is filled in the anaerobic cavity a, the lower end of the second partition plate 14 is connected with the first water outlet 15, the nitration cavity c is arranged above the second partition plate 14, a porous biological filler box 17, a waterwheel type biological reaction drum 18 and a baffle plate 19 are sequentially arranged on the upper end surface of the second partition plate 14 from top to bottom, and an air window 4 is arranged at the upper end of the first sealed box body 11; the waterwheel type biological reaction roller 18 consists of a rotating shaft 31, a biological carrier cylinder 32 and blades 33, wherein the biological carrier cylinder 32 is fixedly connected to the rotating shaft 31, aerobic nitrifying microorganisms are cultured in the biological carrier cylinder 32, and the blades are uniformly fixedly connected to the rotating shaft and have a length larger than the diameter of the biological carrier cylinder;
the anaerobic-reaction aerobic nitrification reaction reverse combination box B and the anaerobic-reaction aerobic nitrification reaction combination box A are structurally symmetrical in the horizontal direction, and a water inlet of the anaerobic-reaction aerobic nitrification reaction reverse combination box B is closely attached, communicated and connected with a water outlet of the anaerobic-reaction aerobic nitrification reaction combination box A;
the denitrification reaction filtration combination box C consists of a second sealed box body 21, a second water inlet 22, a third partition plate 23, a fourth partition plate 24 and a second water outlet 25, wherein the third partition plate 23 and the fourth partition plate 24 are fixedly connected in the second sealed box body 21 in a parallel inclined manner, the third partition plate 23 and the fourth partition plate 24 divide the second sealed box body 21 into three parts which are respectively a denitrification cavity d, a passageway cavity e and a filtration cavity f, the upper end of the third partition plate 23 is connected with the second water inlet 22, the lower end of the third partition plate 23 is provided with an opening water passing plate 3b, a denitrification cavity d is arranged below the third partition plate 23, denitrification filler 26 is filled in the denitrification cavity d, the lower end of the fourth partition plate 24 is connected with the second water outlet 22, a filtration area water blocking plate 27 and an overflow channel water blocking plate 28 are respectively arranged at the rear side of the fourth partition plate 24, a filtration cavity f is filled with an active carbon filtration material 29, and the lower end of the filtration area plate 27 is provided with an opening water blocking plate 3C; the water inlet of the denitrification filtering combination box C is closely attached to and communicated with the water outlet of the anaerobic reaction aerobic nitrification reaction reverse combination box B;
the denitrification filtering reverse combination box D and the denitrification filtering combination box C are symmetrical in structure in the horizontal direction, and a water inlet of the denitrification filtering reverse combination box D is closely attached to and communicated with a water outlet of the denitrification filtering combination box C.
Further, the lower end of the first water inlet 12 is provided with an open-pore water passing plate 3d, a filter bag 5 is arranged in the first water inlet, and a first air outlet 6a is arranged on the side face of the first water inlet.
Further, a carbon source adder 7 is arranged on the lateral surface of the outer side of the second water inlet 22, and a second exhaust hole 6b is arranged on the lateral surface of the box body above the carbon source adder.
Furthermore, the side surfaces of the anaerobic cavity a and the denitrification cavity d are provided with backwashing holes 8.
Further, the anaerobic reaction and aerobic nitration reaction combined box A and the anaerobic reaction and aerobic nitration reaction reverse combined box B are one group, and a plurality of groups can be arranged in series; the denitrification filtering combination box C and the denitrification filtering reverse combination box D are a group, a plurality of groups can be arranged in series, and the systems can be connected in parallel.
Working principle: the invention provides a convenient, efficient and energy-saving module integrated sewage biological treatment system, firstly sewage enters an anaerobic reaction aerobic nitrification reaction combination box A, large-particle organic pollutants are filtered through a filter bag, the sewage flows into an anaerobic cavity a, anaerobic microorganisms on anaerobic fillers perform anaerobic reaction treatment on the sewage, methane and other gases are generated to be discharged through a first air outlet of a water inlet, then the sewage passes through a passage cavity B and enters a nitrification cavity c, and sequentially flows through a perforated biological filler box and a waterwheel type biological reaction roller, biochemical balls in the perforated biological filler box are in a dry-wet alternate oxygen sufficient state due to the fact that the water flow pushes up and down, aerobic nitrifying bacteria on the biochemical balls and polyurethane biochemical cotton perform aerobic nitrifying reaction treatment on the sewage, the sewage flows down to push blades of the biological roller, the roller cylindrical biological carriers are in a dry-wet alternate oxygen sufficient state, the aerobic nitrifying bacteria on the roller cylindrical biological carriers perform aerobic nitrifying reaction treatment on the sewage, and then the sewage enters an anaerobic reaction aerobic reaction nitrification reaction reverse combination box B, and the anaerobic reaction treatment and the aerobic nitrifying reaction treatment are repeated;
the sewage then enters a denitrification filtering combination box C, firstly enters a denitrification cavity D, denitrification microorganisms on a denitrification filler carry out denitrification treatment on the mixed sewage of the carbon source and the carbon source added by the carbon source adder, generated nitrogen is discharged through a second exhaust hole, then the sewage passes through a passage cavity e, enters a filtering cavity f, is subjected to adsorption filtration through an active carbon filter material, then enters the denitrification filtering reverse combination box D, and the denitrification treatment and the adsorption filtration treatment are repeated.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A convenient high-efficient energy-saving module integration sewage biological treatment system which characterized in that includes: an anaerobic reaction and aerobic nitration reaction combination box; an anaerobic reaction and aerobic nitration reaction reverse combination box; a denitrification reaction filtration combination box; filtering the reverse combination box in the denitrification reaction;
the anaerobic reaction aerobic nitration reaction combined box consists of a first sealed box body, a first water inlet, a first partition board, a second partition board and a first water outlet, wherein the first partition board and the second partition board are fixedly connected in the first sealed box body in a parallel inclined manner, the first partition board and the second partition board divide the first sealed box body into three parts, namely an anaerobic cavity, a passageway cavity and a nitration cavity, the upper end of the first partition board is connected with the first water inlet, the lower end of the first partition board is provided with an open water passing board, the anaerobic cavity is arranged below the first partition board, anaerobic filler is filled in the anaerobic cavity, the lower end of the second partition board is connected with the first water outlet, the nitration cavity is arranged above the second partition board, a porous biological filler box, a waterwheel type biological reaction roller and a baffle plate are sequentially arranged on the upper end surface of the second partition board from top to bottom, and the upper end of the first sealed box body is provided with an air window; the waterwheel type biological reaction roller consists of a rotating shaft, a biological carrier cylinder and blades, wherein the biological carrier cylinder is fixedly connected to the rotating shaft, aerobic nitrifying microorganisms are cultured in the biological carrier cylinder, and the blades are uniformly fixedly connected to the rotating shaft and have a length larger than the diameter of the biological carrier cylinder;
the anaerobic reaction aerobic nitrification reaction reverse combination box and the anaerobic nitrification reaction combination box are structurally symmetrical in the horizontal direction, and a water inlet of the anaerobic reaction aerobic nitrification reaction reverse combination box is closely attached to and connected with a water outlet of the anaerobic reaction aerobic nitrification reaction combination box;
the denitrification reaction filtration combination box consists of a second sealed box body, a second water inlet, a third partition plate, a fourth partition plate and a second water outlet, wherein the third partition plate and the fourth partition plate are fixedly connected in the second sealed box body in a parallel inclined manner, the third partition plate and the fourth partition plate divide the second sealed box body into three parts, namely a denitrification cavity, a passageway cavity and an adsorption filtration cavity, the upper end of the third partition plate is connected with the second water inlet, the lower end of the third partition plate is provided with an open-pore water passing plate, the denitrification cavity is arranged below the third partition plate, denitrification filler is filled in the denitrification cavity, the lower end of the fourth partition plate is connected with the second water outlet, a filtering area water baffle and an overflow channel water baffle are respectively arranged at the rear side of the fourth partition plate, an adsorption filtration cavity is filled with active carbon filter materials, and the lower end of the filtering area water baffle is provided with an open-pore water passing plate; the water inlet of the denitrification filtering combination box is closely attached to and communicated with the water outlet of the anaerobic reaction aerobic nitrification reverse combination box;
the denitrification filtering reverse combination box and the denitrification filtering combination box are structurally symmetrical in the horizontal direction, and a water inlet of the denitrification filtering reverse combination box is closely attached to and connected with a water outlet of the denitrification filtering combination box;
the lower end of the first water inlet is provided with an open-pore water passing plate, a filter bag is arranged in the first water inlet, and a first exhaust hole is formed in the outer side of the first water inlet;
and a carbon source adder and a second exhaust hole are arranged on the outer side of the second water inlet.
2. The integrated sewage biological treatment system of the convenient, efficient and energy-saving module according to claim 1, wherein the anaerobic cavity and the denitrification cavity are provided with backwash holes at the outer side of the tank body.
3. The integrated sewage biological treatment system of the convenient, efficient and energy-saving module according to claim 1, wherein the anaerobic reaction and aerobic nitrification reaction combined boxes and the anaerobic reaction and aerobic nitrification reaction reverse combined boxes are one group, and one group or a plurality of groups are arranged in series; the denitrification filtering combination box and the denitrification filtering reverse combination box are a group, and one or more groups of the denitrification filtering reverse combination boxes are arranged in series to form a system which is connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910095737.9A CN109665621B (en) | 2019-01-31 | 2019-01-31 | Convenient high-efficient energy-saving module integrated sewage biological treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910095737.9A CN109665621B (en) | 2019-01-31 | 2019-01-31 | Convenient high-efficient energy-saving module integrated sewage biological treatment system |
Publications (2)
| Publication Number | Publication Date |
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