CN210367364U

CN210367364U - Domestic sewage drainage system

Info

Publication number: CN210367364U
Application number: CN201921360796.6U
Authority: CN
Inventors: 谢婷婷; 卢荣兴; 卢荣智; 邱国标; 何则尧; 邵翠云; 李少慰
Original assignee: China Construction Association And Construction Co ltd
Current assignee: China Construction Association And Construction Co ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-04-21
Anticipated expiration: 2029-08-20

Abstract

The utility model relates to a domestic sewage drainage system, set up the jar body of just transversely installing and placing including cavity, the vertical setting of jar internal portion separates into first baffle, second baffle, third baffle and the fourth baffle of regulating chamber, microorganism reacting chamber, coagulating chamber, drip chamber and clear water room in proper order with a jar internal chamber, intercommunication each other between regulating chamber, microorganism reacting chamber, coagulating chamber, drip chamber and the clear water room, the jar one end that the body is close to the regulating chamber is provided with sewage input device, the regulating chamber is provided with the grid, microorganism reacting chamber transversely is provided with the aeration equipment who divide into the microorganism reacting chamber anaerobism region and aerobic region two parts, aerobic region all is provided with the biofilm carrier with the anaerobism region, the coagulating chamber is equipped with agitating unit. Has the advantages of compact system structure and small occupied area.

Description

Domestic sewage drainage system

Technical Field

The utility model relates to a sewage drainage technical field especially relates to a domestic sewage drainage system.

Background

Domestic sewage is wastewater discharged in daily life of residents and mainly comes from residential buildings and public buildings, such as houses, institutions, schools, hospitals, shops, public places, industrial enterprise toilets and the like. The pollutants contained in the domestic sewage are mainly organic matters (such as protein, carbohydrate, fat, urea, ammonia nitrogen and the like) and a large amount of pathogenic microorganisms. Organic matters existing in domestic sewage are extremely unstable and easily decomposed to generate offensive odor. Bacteria and pathogens propagate in large quantities by taking organic matters in domestic sewage as nutrition, and can cause epidemic of infectious diseases. Therefore, domestic sewage must be treated before being discharged.

The publication number is CN 109607936A's chinese patent, it discloses a domestic sewage treatment device, including the waste water collecting tank, one side of waste water collecting tank is provided with first sedimentation tank, one side of first sedimentation tank is provided with the equalizing basin, the fixed grid net that is provided with in the equalizing basin, one side of equalizing basin is provided with the suction pump, one side of suction pump is provided with the anaerobism pond, one side of anaerobism pond is provided with the aeration tank, the anaerobism pond is provided with into the trachea with the top of aeration tank, it is provided with the air-blower to go into tracheal top, one side of aeration tank is provided with the second sedimentation tank, one side of second sedimentation tank is provided with purifier, purifier's inside is provided with the disinfect box, be provided with the bactericidal lamp in the intermediate layer of disinfect box, one side of purifier is provided. When using, sewage from the waste water collecting tank gets into first sedimentation tank through the raceway and deposits, let in sewage again and carry out the solid floater through the grid net in the equalizing basin and filter, carry out anaerobic treatment in the reentrant anaerobism pond, then ventilate in to the aeration tank with the air-blower for sewage further good oxygen processing of advancing in the aeration tank, carry out the secondary with sewage flow to the second sedimentation tank after that and deposit, the purification of disinfecting of rethread bactericidal lamp, moisture gets into and carries out recycle in the recovery tank.

The above prior art solutions have the following drawbacks: the treatment method adopts treatment tanks with more stages to treat each pollution component of the printing and dyeing wastewater one by one, and finally reaches a certain discharge standard, but enterprises are required to have larger wastewater discharge amount due to longer system treatment line, fussy treatment agent replacement and higher requirement on distribution, control and cost; for some enterprises with less sewage discharge, the treatment system with multiple steps and complex operation will cause a great deal of resource waste.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a domestic sewage drainage system has system structure compactness, easy operation's advantage.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a domestic sewage drainage system, includes the horizontal jar of body of placing in, the vertical setting of jar internal portion separates into the first baffle, second baffle, third baffle and the fourth baffle of regulating chamber, microorganism reacting chamber, coagulating chamber, settling chamber and clear water room in proper order with jar internal chamber, intercommunication each other between regulating chamber, microorganism reacting chamber, coagulating chamber, settling chamber and the clear water room, jar external portion is equipped with the inlet tube that communicates in the regulating chamber and communicates in the outlet pipe of clear water room, the regulating chamber is provided with the grid, microorganism reacting chamber transversely is provided with the aeration equipment who divide into microorganism reacting chamber anaerobism region and aerobic region two parts, aerobic region all is provided with the biofilm carrier with the anaerobism region, the coagulating chamber is equipped with agitating unit.

By adopting the technical scheme, the tank body is transversely arranged, sewage is conveyed to the inner cavity of the tank body through the water inlet pipe, the sewage is sequentially introduced into the regulating chamber, the microbial reaction chamber, the coagulating chamber, the settling chamber and the clear water chamber, the sewage is firstly subjected to solid-liquid separation in the regulating chamber through the grid, suspended fixed substances are filtered, then the sewage enters the microbial reaction chamber, the reaction of nitrogen and phosphorus removal is completed in an anaerobic area and an aerobic area through biological fillers, then the sewage enters the coagulating chamber, the coagulant and the sewage are fully coagulated by the stirring device to enter the settling tank, finally, the sludge dissolved in the sewage is settled in the settling chamber to be removed, and finally, the sludge is discharged to the clear water chamber. The current sewage treatment system is removed in the contrast, and the sewage treatment system in this scheme overall structure is compact, easy operation convenient to use for the equipment volume of this scheme is littleer.

The utility model discloses further set up to: the aeration device comprises an aeration pipe transversely arranged in the middle of the microbial reaction chamber, an air inlet of the aeration pipe is positioned outside the tank body, and a plurality of uniformly distributed air outlets are formed in the part, positioned in the microbial reaction chamber, of the aeration pipe.

Through adopting above-mentioned technical scheme, gaseous aeration pipe that gets into through going into the gas port is got into by the gas outlet in getting into the microbial reaction room, and gaseous along with liquid come-up, aeration pipe top forms good oxygen region, and the below of aeration pipe forms the anaerobism region, and the aeration pipe is equipped with a plurality of gas outlets to evenly arrange on the aeration pipe, ensure that the oxygen environment in good oxygen region is more even, be favorable to reacting stable going on.

The utility model discloses further set up to: the sewage input device comprises a first sewage pipe communicated with the regulating chamber, a water inlet of the first sewage pipe is positioned outside the tank body, a second sewage pipe communicated with the regulating chamber is arranged at the bottom of the microbial reaction chamber, the second sewage pipe is positioned below the aeration pipe, the second sewage pipe is provided with a plurality of water outlets I which are uniformly distributed along the central axis direction of the second sewage pipe, and the water outlets I face the inner wall of the bottom of the microbial reaction chamber.

Through adopting above-mentioned technical scheme, set up the second sewage pipe in anaerobic zone's bottom, make sewage after entering into anaerobic zone, ensure that sewage can be slow be full of whole anaerobic chamber, the process that should be full of is also slow relatively, thereby can provide more time and react, set up a plurality of delivery ports into the bottom inner wall towards microbial reaction room, ensure that the sewage of the abundant completion input of reaction can react with the microorganism in the anaerobic zone filler, avoid the problem that the microorganism reaction efficiency in the bottom filler is lower in the anaerobic chamber.

The utility model discloses further set up to: the aerobic zone is filled with light suspended biological filler, and the anaerobic zone is filled with heavy suspended biological filler.

Through adopting above-mentioned technical scheme, because the good oxygen region is in the upside, so set up the density that light filler can utilize itself and be less than sewage density and float in the jar body, need not to adopt other fixed mode for holistic device structure is simpler, and sets up the light material in the anaerobic zone, can utilize its density to be greater than sewage density and sink the end in the jar body, equally need not other fixed modes, greatly reduced structure's complexity.

The utility model discloses further set up to: and a second water outlet is formed in the top of the second partition plate.

By adopting the technical scheme, sewage flows through the aerobic area from the bottom of the anaerobic area and flows into the coagulation chamber from the water outlet II at the top of the second partition plate, so that the full progress of the whole microbial reaction is ensured.

The utility model discloses further set up to: the stirring device comprises a tank body and a rotating shaft, wherein the tank body and the rotating shaft are arranged in a penetrating mode, a stirring motor arranged on the upper portion of the coagulation chamber, one end of the stirring motor is fixedly connected with a rotating shaft of the stirring motor, and a stirring blade fixedly connected with the rotating shaft.

By adopting the technical scheme, the stirring motor is started to drive the rotating shaft to rotate, so that the stirring blades are driven to rotate, the coagulant and the sewage are fully coagulated, and the efficiency of the coagulant for adsorbing colloidal objects in the sewage is improved.

The utility model discloses further set up to: the tank body is provided with an opening communicated with the coagulation chamber and an end cover for sealing the opening.

By adopting the technical scheme, the addition of the coagulant is facilitated.

The utility model discloses further set up to: the sedimentation chamber is equipped with the swash plate of multiunit equidistant distribution, both ends difference fixed connection in the dead lever of third baffle and fourth baffle, and the swash plate is worn to locate by the dead lever, and the swash plate is certain inclination with the third baffle.

Through adopting above-mentioned technical scheme, sewage gets into the drip chamber, climbs along the swash plate, and partial mud in the sewage meets the swash plate and deposits, piles up to the drip chamber bottom along the swash plate landing, and precipitation efficiency is higher than the efficiency of natural sedimentation.

To sum up, the utility model discloses following beneficial effect has:

1. the tank body is provided with a regulating chamber, a microbial reaction chamber, a coagulation chamber, a settling chamber and a clear water chamber, sewage firstly passes through a grid in the regulating chamber to be subjected to solid-liquid separation, suspended fixed substances are filtered out, then the sewage enters the microbial reaction chamber to be subjected to denitrification and dephosphorization reactions in an anaerobic region and an aerobic region through biological fillers, then the sewage enters the coagulation chamber, a coagulant and the sewage are fully coagulated by a stirring device to enter a settling tank, and finally the sludge dissolved in the sewage is settled in the settling chamber to be removed and finally discharged. The system has compact integral structure, simple operation and convenient use, and the equipment volume of the scheme is smaller.

2. Set up the second sewage pipe in anaerobic zone's bottom, make sewage after entering into anaerobic zone, ensure that sewage can be slow be full of whole anaerobic chamber, the process that should be full of is also slow relatively, thereby can provide more time and react, set up a plurality of delivery ports into the bottom inner wall towards little biological reaction room, ensure that the sewage of the abundant completion input of reaction can react with the microorganism in the anaerobic zone filler, avoid the problem that the microorganism reaction efficiency in the bottom filler is lower in the anaerobic chamber.

Drawings

FIG. 1 is a schematic view of the overall structure of a can body of an embodiment;

FIG. 2 is a schematic side view of a can body of an embodiment;

fig. 3 is a schematic cross-sectional view D-D in fig. 2 of an embodiment.

In the figure, 1, a tank body; 11. a first separator; 12. a second separator; 121. a water outlet II; 13. a third partition plate; 14. a fourth separator; 2. a conditioning chamber; 21. a grid; 3. a microbial reaction chamber; 31. an anaerobic zone; 32. an aerobic zone; 33. a second sewage pipe; 331. a first water outlet; 34. an aeration device; 341. an aeration pipe; 342. an air outlet; 343. a ventilation control valve; 35. biological fillers; 4. a coagulation chamber; 41. a stirring device; 411. a stirring motor; 412. a rotating shaft; 413. stirring blades; 42. an opening; 43. an end cap; 5. a settling chamber; 51. a sloping plate; 52. fixing the rod; 6. a clear water chamber; 7. a water inlet pipe; 8; and (5) discharging a water pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: a domestic sewage drainage system comprises a tank body 1 which is transversely arranged, a first partition plate 11, a second partition plate 12, a third partition plate 13 and a fourth partition plate 14 which divide an inner cavity of the tank body 1 into an adjusting chamber 2, a microbial reaction chamber 3, a coagulating chamber 4, a settling chamber 5 and a clean water chamber 6 in sequence are vertically arranged in the tank body 1, and the adjusting chamber 2, the microbial reaction chamber 3, the coagulating chamber 4, the settling chamber 5 and the clean water chamber 6 are communicated with each other. The top of the second clapboard 12 is provided with a second water outlet 121.

The outside of the tank body 1 is provided with a water inlet pipe 7 communicated with the regulating chamber 2 and a water outlet pipe 8 communicated with the clear water chamber 6, the water inlet of the water inlet pipe is positioned outside the tank body 1, and the regulating chamber 2 is provided with a grid 21 for filtering suspended fixed substances in sewage.

The microorganism reaction chamber 3 is transversely provided with an aeration device 34 and a second sewage pipe 33 which is positioned at the bottom of the microorganism reaction chamber 3 and is communicated with the adjusting chamber 2. The aeration device 34 includes an aeration pipe 341 for dividing the microorganism reaction chamber 3 into two parts of the anaerobic zone 31 and the aerobic zone 32, and an aeration control valve 343 for controlling whether to aerate gas. The aeration pipe 341 is located in the middle of the microorganism reaction chamber 3, the upper region of the aeration pipe 341 is an aerobic region 32, and the lower region of the aeration pipe 341 is an anaerobic region 31. The anaerobic zone 31 is filled with micro heavy suspended biological filler 35, the air inlet of the aeration pipe 341 is positioned outside the tank body 1, and the part of the aeration pipe 341 positioned in the microbial reaction chamber 3 is provided with a plurality of uniformly distributed air outlets. The aerobic zone 32 is filled with a light suspended biological load 35. The second sewage pipe 33 is provided with a plurality of first water outlets 331 uniformly distributed along the central axis direction of the second sewage pipe 33, and the plurality of first water outlets 331 face the inner bottom wall of the anaerobic zone 31.

The mixing device 41 is disposed in the coagulation chamber 4, and the mixing device 41 includes a mixing motor 411 fixed to the tank 1 and having a rotating shaft penetrating the upper portion of the coagulation chamber 4, a rotating shaft 412 having one end fixedly connected to the rotating shaft of the mixing motor 411, and a mixing blade 413 fixedly connected to the other end of the rotating shaft 412. The tank body 1 above the coagulation chamber 4 is provided with an opening 42 and an end cover 43 for closing the opening 42, so that coagulant can be added conveniently.

The settling chamber 5 is provided with an inclined plate 51 and a fixing rod 52 with two ends respectively fixedly connected to the third partition plate 13 and the fourth partition plate 14, the fixing rod 52 penetrates through the inclined plate 51, and the inclined plate 51 and the third partition plate 13 form a certain inclination angle.

The working mode is as follows:

the sewage is first solid-liquid separated in the regulating chamber with the grid to filter out suspended fixed matter, then fed into the microbial reaction chamber to complete the denitrification and dephosphorization reaction in the anaerobic area and the aerobic area with biological stuffing, and then fed into the coagulating chamber, the stirring device makes the coagulant and sewage coagulate fully and fed into the precipitating tank, and finally the sludge dissolved in the sewage is settled and dewatered in the precipitating chamber and finally discharged into the clear water chamber.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the present invention.

Claims

1. A domestic sewage drainage system is characterized in that: comprises a tank body (1) which is arranged in a hollow way and is transversely placed, wherein the inner cavity of the tank body (1) is sequentially divided into a regulating chamber (2), a microbial reaction chamber (3), a coagulating chamber (4), a settling chamber (5) and a first partition plate (11), a second partition plate (12), a third partition plate (13) and a fourth partition plate (14) of a clear water chamber (6) by the vertical arrangement in the tank body (1), the regulating chamber (2), the microbial reaction chamber (3), the coagulating chamber (4), the settling chamber (5) and the clear water chamber (6) are communicated with each other, the tank body (1) is provided with a water inlet pipe (7) communicated with the regulating chamber (2) and a water outlet pipe (8) communicated with the clear water chamber (6), the regulating chamber (2) is provided with a grid (21), the microbial reaction chamber (3) is transversely provided with an aeration device (34) which divides the microbial reaction chamber (3) into an anaerobic area (31) at the lower part and an aerobic area (32) at, the aerobic area (32) and the anaerobic area (31) are both provided with biological fillers (35), and the coagulating chamber (4) is provided with a stirring device (41) and a coagulant.

2. A domestic sewage drainage system according to claim 1 wherein: the aeration device (34) comprises an aeration pipe (341) transversely arranged in the middle of the microbial reaction chamber (3), an air inlet of the aeration pipe (341) is positioned outside the tank body (1), and a plurality of uniformly distributed air outlets (342) are arranged on the aeration pipe (341) and in the microbial reaction chamber (3).

3. A domestic sewage drainage system according to claim 2 wherein: the bottom of the microbial reaction chamber (3) is provided with a second sewage pipe (33) communicated with the adjusting chamber (2), the second sewage pipe (33) is positioned below the aeration pipe (341), the second sewage pipe (33) is provided with a plurality of first water outlets (331) which are uniformly distributed along the central axis direction of the second sewage pipe (33), and the plurality of first water outlets (331) face the inner wall of the bottom of the microbial reaction chamber (3).

4. A domestic sewage drainage system according to claim 3 wherein: the aerobic zone (32) is filled with a light suspended biological filler (35), and the anaerobic zone (31) is filled with a heavy suspended biological filler (35).

5. A domestic sewage drainage system according to claim 4 wherein: and a second water outlet (121) is formed in the top of the second partition plate (12).

6. A domestic sewage drainage system according to claim 1 wherein: the stirring device (41) comprises a stirring motor (411) fixed on the tank body (1) and a rotating shaft penetrating through the upper part of the coagulating chamber (4), a rotating shaft (412) with one end fixedly connected with the rotating shaft of the stirring motor (411) and a stirring blade (413) fixedly connected with the rotating shaft (412).

7. A domestic sewage drainage system according to claim 5 wherein: the tank body (1) is provided with an opening (42) communicated with the coagulation chamber (4) and an end cover (43) for sealing the opening (42).

8. A domestic sewage drainage system according to claim 1 wherein: the sedimentation chamber (5) is provided with a plurality of groups of sloping plates (51) which are distributed at equal intervals, and fixing rods (52) with two ends respectively fixedly connected to the third partition plate (13) and the fourth partition plate (14), the fixing rods (52) penetrate through the sloping plates (51), and the sloping plates (51) and the third partition plate (13) are at a certain inclination angle.