CN210001729U - purifying tanks suitable for decentralized sewage treatment - Google Patents
purifying tanks suitable for decentralized sewage treatment Download PDFInfo
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- CN210001729U CN210001729U CN201920521959.8U CN201920521959U CN210001729U CN 210001729 U CN210001729 U CN 210001729U CN 201920521959 U CN201920521959 U CN 201920521959U CN 210001729 U CN210001729 U CN 210001729U
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Abstract
The utility model discloses a purification groove suitable for decentralized sewage treatment, including box, inlet tube, outlet pipe and 4 baffles, 4 baffles divide the box inner chamber into 5 check grooves, characterized in that is provided with rose box, sedimentation tank and stirring chamber in the check groove, and th check groove and second check groove form the anaerobic oxygen deficiency treatment to sewage, and the aerobic treatment to sewage is realized to third check groove and fourth check groove, is provided with the three-dimensional electrolysis board that advances steps and carry out the dephosphorization to sewage in the fifth check groove.
Description
Technical Field
The utility model relates to an kinds of sewage purification groove, more specifically says, especially relates to kinds of purification groove that are applicable to decentralized sewage treatment.
Background
At present, the municipal sewage treatment technology is relatively mature, and municipal sewage can be collected by a municipal drainage pipe network and conveyed to a sewage treatment plant for treatment. Domestic sewage in most rural areas of China is discharged randomly without any treatment, so that the total water quality of rivers in the rural areas is deteriorated, the content of nitrogen and phosphorus exceeds the standard seriously, and part of the rivers and lakes are in a serious eutrophication state. And rural residences are scattered, the rural drainage pipelines are difficult to communicate, and the investment cost is also very high. Therefore, the treatment of rural sewage cannot completely follow the treatment method of urban sewage.
At present, sewage treatment plants in rural areas of China mainly comprise a sewage treatment plant (WTP), an artificial wetland (CW) and a biogas system, wherein the sewage treatment plants cannot be applied to the rural areas of China at due to economic reasons, the artificial wetland system is low in cost and easy to maintain, consumes no electric energy like , but has the defects of large occupied land, lack of optimal design specifications and parameters, potential inhabitation of disease propagation media (such as mosquitoes) and the like.
Therefore, purification tanks suitable for decentralized sewage treatment are developed, the operation is simple, the energy consumption is low, and the method is suitable for rural decentralized sewage treatment.
Disclosure of Invention
The utility model discloses a overcome above-mentioned technical problem's shortcoming, provide purification grooves that are applicable to decentralized sewage treatment.
The utility model discloses a purification groove suitable for dispersion type sewage treatment, the power distribution box comprises a box body, the inlet tube, the outlet pipe and th baffle, second baffle, third baffle and fourth baffle that set gradually vertically in the inside cavity of box, , second, third and fourth baffle divide into th grid groove, second grid groove, third grid groove, fourth grid groove and fifth grid groove with the inside cavity of box in proper order, the inlet tube communicates with each other with th grid groove for let in pending sewage, the outlet pipe communicates with fifth grid groove for discharge the sewage after handling, a serial communication port is in th grid groove along the rivers route in proper order to have filter box, sedimentation tank and stirring chamber, the filter box is used for straining the solid debris in the sewage, the sedimentation tank is used for the solid matter in the precipitation sewage, the stirring chamber realizes the stirring of sewage and mixes, the stirring chamber communicates with second grid groove, th grid groove forms the anaerobic oxygen deficiency treatment to sewage with second grid groove;
the second grid groove is communicated with the third grid groove, the lower portion of the third partition plate is suspended to be communicated with the third grid groove and the fourth grid groove, aeration discs are arranged below the third grid groove and the fourth grid groove, the aeration discs are connected with an air supply line for introducing air, the third grid groove and the fourth grid groove realize aerobic treatment on sewage, a stripping backflow pipe is arranged between the third grid groove and the fourth grid groove and the -th grid groove, a water inlet of the stripping backflow pipe is located in the third grid groove and the fourth grid groove, a water outlet of the stripping backflow pipe is located in the -th grid groove, the fourth grid groove is communicated with the fifth grid groove, a three-dimensional electrolytic plate for removing phosphorus from the sewage in the step is arranged in the fifth grid groove, and a sponge filter material for preventing flocculent precipitation from flowing out is filled in the fifth grid groove.
The utility model discloses a purification tank suitable for decentralized sewage treatment, be provided with vertical preceding baffle in the grid groove, the region between preceding baffle and the baffle forms the stirring chamber, is provided with horizontal baffle in the region between preceding baffle and the inlet tube, and the below of horizontal baffle is the bottom chamber, and the rose box is located the top of horizontal baffle, and the both sides of rose box all are provided with the sedimentation tank;
the middle part of the filter box is provided with a transverse th filter plate, the th filter plate is uniformly provided with filter holes, the lower parts of the two sides of the filter box are respectively provided with a th water outlet communicated with the two sedimentation tanks, the sedimentation tanks are internally provided with vertical L-shaped water passing pipes, the middle parts of the L-shaped water passing pipes are provided with water inlets, the water outlets at the bottoms of the L-shaped water passing pipes are positioned on the outer wall of the bottom of the sedimentation tank, horizontal partition plates at the periphery of the sedimentation tanks are provided with water permeable holes, the lower ends of the front partition plates are provided with second water outlets used for communicating the bottom cavity with the stirring cavity, and the.
The utility model discloses a purify groove suitable for decentralized sewage treatment, th check groove, second check groove, third check groove and fourth check groove all pack and have the filler that the mud of being convenient for adheres to and grows.
The utility model discloses a purify groove suitable for decentralized sewage treatment, set up vertical back baffle in the second check groove, back baffle is split into anoxic zone and second anoxic zone with second check groove, and the third delivery port that is used for intercommunication stirring chamber and anoxic zone is offered on the upper portion of baffle, and the fourth delivery port of intercommunication second anoxic zone and third check groove is offered on the upper portion of second baffle, and the below of back baffle is unsettled to make anoxic zone communicate with each other with the lower part in second anoxic zone.
The utility model discloses a purify groove suitable for decentralized sewage treatment, the fifth delivery port that is used for communicateing fourth check groove and fifth check groove is offered to the lower part of fourth baffle, and the top of three-dimensional electrolysis board is provided with the second filter in the fifth check groove, has evenly seted up the filtration pore on the second filter.
The utility model discloses a purify groove suitable for decentralized sewage treatment, the strip back flow comprises two vertical pipes and horizontal pipe, and two vertical pipes are arranged in third check groove and fourth check groove respectively, and the lower extreme opening of vertical pipe is arranged in the top of aeration dish, and the upper end of vertical pipe communicates with each other with the horizontal pipe, and the delivery port of horizontal pipe is located the top of rose box, and the upper portion of horizontal pipe is cut open quarter wall to in order to adjust the size of sewage backward flow, the top of horizontal pipe is provided with the mouth of throwing the medicine that is used for adding carbon source and dephosphorization agent.
The utility model has the advantages that: the utility model disclosesThe purification tank for treating dispersed sewage is characterized in that 4 partition plates are arranged in the inner cavity of the tank body, the inner cavity of the tank body is divided into 5 grid tanks ( th, second, third, fourth and fifth grid tanks respectively), a filter box, a sedimentation tank and a stirring chamber are arranged in the grid tank, so that solid matter filtering, sedimentation and stirring treatment of sewage are sequentially realized, the th grid tank and the second grid tank form an anaerobic anoxic environment for sewage treatment, nitrate nitrogen and nitrite nitrogen in sewage are removed through denitrification of microorganisms, aeration discs are arranged below the third grid tank and the fourth grid tank respectively, so that an aerobic environment for sewage treatment is formed, ammonia nitrogen in water is removed through nitration reaction of microorganisms, soluble phosphorus is absorbed, and part of sewage in the third grid tank and the fourth grid tank flows back to the grid tank under the action of steam stripping so as to enable NO to be conveniently removed2 -And NO3 -The utility model discloses a handle purification groove of dispersion sewage, realized the anaerobism of sewage-oxygen deficiency-good oxygen and electrolysis dephosphorization to handle, be favorable to the dephosphorization of denitrogenation to rural dispersibility sewage, stirring, backward flow in the sewage treatment process do not consume the energy, through last three-dimensional electrolysis processing, carried out steps and reduced phosphorus element in the sewage, provide effective treatment process and equipment for rural dispersibility sewage treatment.
Drawings
FIG. 1 is a front view of a purification tank for treating dispersed sewage according to the present invention;
FIG. 2 is a plan view of a purification tank for treating dispersed sewage according to the present invention;
FIG. 3 is a perspective view of the purification tank for treating dispersed sewage according to the present invention.
In the figure, a box body 1, a second baffle plate 2, a second baffle plate 3, a third baffle plate 4, a fourth baffle plate 5, a -th grid groove 6, a second grid groove 7, a third grid groove 8, a fourth grid groove 9, a fifth grid groove 10, a water inlet pipe 11, a water outlet pipe 12, a filter box 13, a sedimentation tank 14, a -th filter plate 15, a 16-filter hole 17, a -th water outlet, an 18L-shaped water passing pipe 19, a 19 water inlet, a 20-horizontal baffle plate, a 21-bottom cavity, a 22-water permeable hole, a 23-second water outlet, a 24-front baffle plate, a 25-rear baffle plate, a 26-stirring cavity, a 27-folded plate, a 28-third water outlet, a -th anoxic zone 29, a 30-second anoxic zone, a 31-fourth water outlet, a 32-stripping return pipe, a 33-vertical pipe, a 34-horizontal pipe, a 35-aeration disc, a 36-valve , a 37-fifth water outlet, a 38-electrolysis plate.
Detailed Description
The present invention will be described in further with reference to the following drawings and examples.
As shown in FIG. 1, FIG. 2 and FIG. 3, the front view, the top view and the perspective view of the purification tank for decentralized wastewater treatment according to the present invention are shown, wherein the front wall is removed from the front view, the front wall and the top wall are removed from the top view and the perspective view, respectively, and the AAO process is also called A2The purification tank for treating dispersed sewage consists of a tank body 1, a -th partition plate 2, a second partition plate 3, a third partition plate 4, a fourth partition plate 5, a water inlet pipe 11, a water outlet pipe 12, an aeration disc 35, a stripping backflow pipe 32 and a three-position electrolytic plate 38, wherein 4 partition plates (a -th partition plate, a second partition plate, a third partition plate and a fourth partition plate) are sequentially arranged in an internal cavity of the tank body 1, the internal cavity is divided into a -th grid groove 6, a second grid groove 7, a third grid groove 8, a fourth grid groove 9 and a fifth grid groove 10, the -th grid groove 6 realizes filtering, settling and stirring treatment on sewage, the -th grid groove 6 and the second grid groove 7 form an anaerobic-anoxic environment to realize anaerobic treatment on sewage, the third grid groove 8 and the fourth grid groove 9 form an environment to realize filtering, settling and aerobic treatment on sewage, the -th grid groove 6, the aerobic filler, the fourth grid groove 7, the sludge filler and the sludge in the third grid groove 8 and the fourth grid groove are filled to increase the area of sewage, and sludge attachment to be beneficial to the sewage purification.
A vertical front partition plate 24 is arranged in an th grid groove 6, a stirring cavity 26 is formed between the front partition plate 24 and a rear th partition plate 2, a horizontal partition plate 20 is arranged in a cavity in front of the front partition plate 24, a filter box 13 is arranged above the horizontal partition plate 20, a water outlet of a water inlet pipe 11 passing through a box body 1 is positioned above the filter box 13 so as to introduce sewage to be treated into the filter box 13 at first, sedimentation tanks 14 are arranged on two sides of the filter box 13, a th filter plate 15 is arranged in the filter box 13, and filter holes 16 are uniformly formed in the th filter plate 15, so that after sewage flows through the filter box 13, large solid impurities in the sewage can be intercepted in the filter box 13, a sealing cover 41 on the top of the box body 1 can be opened periodically, and the impurities in the filter box 13 can be taken out.
The two sides of the bottom of the filter box 13 are both provided with th water outlets 17 so as to introduce the filtered sewage into the sedimentation tanks 14 at the two sides, each sedimentation tank 14 is provided with an L-shaped water passing pipe 18, the upper end of the L-shaped water passing pipe 18 is flat with the upper edge of the sedimentation tank 14, the middle part of the L-shaped water passing pipe 18 is provided with a water inlet 19, and the water outlet at the bottom of the L-shaped water passing pipe 18 is positioned outside the sedimentation tank 14, so that after the sewage enters through the bottom of the sedimentation tank 14, the oil stains in the sewage can float on the upper part of the sedimentation tank 14, the sewage without the oil stains enters the L-shaped water passing pipe 18 through the water inlet 19 and is discharged, while the solid matters which are not intercepted by the th filter plate 15 can settle down in the sedimentation tank 14, and the sealing cover 41 above the box body 1 can be opened periodically to clean the oil stains and sediments.
A water permeable hole 22 is formed in a horizontal partition plate 20 on the periphery of the sedimentation tank 14, a bottom cavity 21 is arranged below the horizontal partition plate 20, a second water outlet 23 which is communicated with the bottom cavity 21 and a stirring cavity 26 is formed in the bottom of a front partition plate 24, so that sewage flowing out through an L-shaped water passing pipe 18 flows into the bottom cavity 21 through the water permeable hole 22 and then flows into the bottom of the stirring cavity 26 through the second water outlet 23, a continuous folded plate 27 is arranged in the stirring cavity 26, a third water outlet 28 is formed in the upper portion of an -th partition plate 2, the upper portion of the stirring cavity 26 is communicated with the upper portion of a second grid 7 through the third water outlet 28, and therefore, in the process that the sewage flowing in from the second water outlet 23 flows from bottom to top in the stirring cavity 26, stirring of the sewage is achieved through the blocking and flow guiding effects of the folded plate 27, and meanwhile the flow speed control effect is.
The center of the second cell 7 is provided with a vertical rear partition plate 25, the lower part of the rear partition plate 25 is suspended, the second cell 7 is partitioned by the rear partition plate 25 to form a anoxic zone 29 and a second anoxic zone 30 with communicated lower parts, the upper part of the second partition plate 3 is provided with a fourth water outlet 31, so that the second anoxic zone 30 is communicated with the third cell 8 through the fourth water outlet 31, therefore, sewage flowing in from the third water outlet 28 flows from top to bottom in the anoxic zone 29 and then flows from bottom to top in the second anoxic zone 30, a water flow path is increased, the purification treatment of the sewage by anaerobic microorganisms in the anoxic zone 29 and the second anoxic zone 30 is facilitated, and nitrate and nitrite are removed by denitrification.
The lower part of the third clapboard 4 is suspended, so that the third grid groove 8 is communicated with the lower end of the fourth grid groove 9, the aeration discs 35 are arranged at the lower parts of the third grid groove 8 and the fourth grid groove 9, the aeration discs 35 are connected with an air supply line 42, an aerobic environment for sewage treatment is formed in the third grid groove 8 and the fourth grid groove 9 through aeration of the aeration discs 35, the aerobic microorganisms in the third and the fourth grid grooves realize sewage purification treatment under aerobic conditions, and ammonia nitrogen in water is removed through nitrification, a stripping return pipe 32 is arranged between the third grid groove 8 and the fourth grid groove 9 and the -th grid groove, and the stripping return pipe 32 is used for returning the sewage in the third grid groove 8 and the fourth grid groove 9 to the -th grid groove 6.
The stripping return pipe 32 shown consists of a horizontal pipe 34 and two vertical pipes 33, the two vertical pipes 33 are respectively positioned in the third grid groove 8 and the fourth grid groove 9, the lower ends of the vertical pipes 33 are positioned above the aeration disc 35, the upper ends of the vertical pipes 33 are connected with the horizontal pipe 34, and the horizontal pipe penetrates through the second grid groove 7 and the stirring cavity 26 to reach the upper part of the filter box 13. During aeration of the aeration tray 35, gas is continuously introduced into the vertical pipes 33, and during the process of steam stripping rising in the vertical pipes 33, liquid is introduced into the horizontal pipes 34 and then flows into the filter tank 13, so that NO converted from nitrogen in water by nitrification in an aerobic environment is converted into NO2 -And NO3 -It is carried into the anoxic zone for denitrification, the horizontal pipe 34 is formed in a slightly inclined form for the convenience of liquid reflux, and the upper part of the horizontal pipe 34 is cut off by a quarter wall for the convenience of observing reflux ratio and adding additives, so that carbon is addedThe source additive and the phosphorus removal agent can be fully mixed with the sewage.
The lower part of the fourth clapboard 5 is provided with a fifth water outlet 37, so that the lower part of the fourth grid groove 9 is communicated with the lower part of the fifth grid groove 10, the sewage treated by anaerobic anoxic reaction and aerobic reaction flows to the bottom of the fifth grid groove 10 through the fifth water outlet 37, steps of phosphorus removal are carried out under the electrolysis action of a three-position electrolytic plate 38 arranged in the fifth grid groove 10, the three-position electrolytic plate 38 consists of cathode and anode plates and sponge iron filler which are arranged in a staggered mode, the full contact with water is facilitated, the grid groove volume utilization rate is improved, the phosphorus removal effect is enhanced, the electrode plate material can be made of waste iron, the resource utilization of wastes is realized, the cost is saved, the sewage subjected to electrolytic phosphorus removal is filtered by a second filter plate 39 and a sponge filter material to prevent the outflow of flocculent precipitates and is finally discharged through a water outlet pipe 12, the outer wall of the lower part of each grid groove is also provided with a drain valve 40 to facilitate the overhaul and removal of the precipitates, the top of the box body 1 is provided with 2 sealing covers 41, and each grid groove can be overhauled.
Claims (6)
1, purification tank suitable for decentralized sewage treatment, comprising a box body (1), a water inlet pipe (11), a water outlet pipe (12), a th clapboard (2), a second clapboard (3), a third clapboard (4) and a fourth clapboard (5) which are vertically arranged in the cavity in the box body in sequence, wherein the th, the second clapboard, the third clapboard and the fourth clapboard divide the cavity in the box body into a th grid groove (6), a second grid groove (7), a third grid groove (8), a fourth grid groove (9) and a fifth grid groove (10) in sequence;
the second grid groove is communicated with the third grid groove, the lower portion of a third partition plate (4) is suspended to be communicated with a third grid groove (8) and a fourth grid groove (9), aeration discs (35) are arranged below the third grid groove and the fourth grid groove respectively, the aeration discs are connected with an air supply line (42) for introducing air, aerobic treatment of sewage is achieved by the third grid groove and the fourth grid groove, a stripping backflow pipe (32) is arranged between the third grid groove and the fourth grid groove and an grid groove, a water inlet of the stripping backflow pipe is located in the third grid groove and the fourth grid groove, a water outlet of the stripping backflow pipe is located in a grid groove, the fourth grid groove is communicated with the fifth grid groove, a three-dimensional electrolysis plate (38) for removing phosphorus from sewage in a step of is arranged in the fifth grid groove, and sponge filter materials for preventing flocculent precipitates from flowing out are filled in the fifth grid groove.
2. A purification tank suitable for decentralized wastewater treatment according to claim 1, characterized in that a vertical front partition (24) is arranged in the th compartment (6), a stirring chamber (26) is formed in the area between the front partition and the th partition (2), a horizontal partition (20) is arranged in the area between the front partition and the water inlet pipe (11), a bottom chamber (21) is arranged below the horizontal partition, the filter box (13) is arranged above the horizontal partition, and sedimentation tanks (14) are arranged on both sides of the filter box;
the horizontal th filter plate (15) is arranged in the middle of the filter box, filter holes (16) are uniformly formed in the th filter plate, th water outlets (17) communicated with the two sedimentation tanks are formed in the lower portions of the two sides of the filter box, vertical L-shaped water passing pipes (18) are arranged in the sedimentation tanks, water inlets (19) are formed in the middle of the L-shaped water passing pipes, water outlets in the bottoms of the L-shaped water passing pipes are located on the outer walls of the bottoms of the sedimentation tanks, water permeable holes (22) are formed in horizontal partition plates (20) on the peripheries of the sedimentation tanks, second water outlets (23) used for communicating the bottom cavities (21) with the stirring cavities (26) are formed in the lower ends of the front partition plates (24), and folding plates (.
3. A purification tank adapted to decentralized wastewater treatment according to claim 1 or 2, characterized in that the th grid cell (6), the second grid cell (7), the third grid cell (8) and the fourth grid cell (9) are filled with a filler facilitating the attachment and growth of sludge.
4. A purification tank suitable for decentralized wastewater treatment according to claim 2, characterized in that a vertical rear partition (25) is arranged in the second cell (7), the rear partition divides the second cell into a th anoxic zone (29) and a second anoxic zone (30), a third water outlet (28) for communicating the agitation chamber (26) with the th anoxic zone (29) is provided at the upper part of the th partition (2), a fourth water outlet (31) for communicating the second anoxic zone with the third cell (8) is provided at the upper part of the second partition (3), and the lower part of the rear partition (25) is suspended so that the th anoxic zone communicates with the lower part of the second anoxic zone.
5. A purification tank adapted for decentralized wastewater treatment according to claim 1 or 2, characterized in that: and a fifth water outlet (37) for communicating the fourth grid groove (9) with the fifth grid groove (10) is formed in the lower part of the fourth partition plate (5), a second filter plate (39) is arranged above the three-dimensional electrolytic plate (38) in the fifth grid groove, and filter holes are uniformly formed in the second filter plate.
6. The purification tank for decentralized wastewater treatment according to claim 1 or 2, characterized in that the stripping return pipe (32) is composed of two vertical pipes (33) and a horizontal pipe (34), the two vertical pipes are respectively located in the third cell (8) and the fourth cell (9), the lower end opening of the vertical pipe is located above the aeration tray (35), the upper end of the vertical pipe is communicated with the horizontal pipe, the water outlet of the horizontal pipe is located above the filter box (13), the upper part of the horizontal pipe is cut with a quarter wall surface to adjust the amount of the wastewater return flow, and a dosing port (43) for adding carbon source and phosphorus removing agent is arranged above the horizontal pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920521959.8U CN210001729U (en) | 2019-04-17 | 2019-04-17 | purifying tanks suitable for decentralized sewage treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920521959.8U CN210001729U (en) | 2019-04-17 | 2019-04-17 | purifying tanks suitable for decentralized sewage treatment |
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| CN210001729U true CN210001729U (en) | 2020-01-31 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112047571A (en) * | 2020-09-04 | 2020-12-08 | 中科建环有限责任公司 | Integrated sewage treatment equipment |
| CN112374664A (en) * | 2020-09-24 | 2021-02-19 | 中国科学院过程工程研究所 | System and method for realizing wastewater recycling by three-dimensional electrolytic removal of ammonia nitrogen in liquid-solid fluidized bed |
| CN113582458A (en) * | 2021-08-13 | 2021-11-02 | 河北碧净环保科技有限公司 | Rural domestic sewage treatment device and sewage treatment method |
-
2019
- 2019-04-17 CN CN201920521959.8U patent/CN210001729U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112047571A (en) * | 2020-09-04 | 2020-12-08 | 中科建环有限责任公司 | Integrated sewage treatment equipment |
| CN112374664A (en) * | 2020-09-24 | 2021-02-19 | 中国科学院过程工程研究所 | System and method for realizing wastewater recycling by three-dimensional electrolytic removal of ammonia nitrogen in liquid-solid fluidized bed |
| CN113582458A (en) * | 2021-08-13 | 2021-11-02 | 河北碧净环保科技有限公司 | Rural domestic sewage treatment device and sewage treatment method |
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