CN210367349U - Domestic sewage biomembrane processing system - Google Patents

Domestic sewage biomembrane processing system Download PDF

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CN210367349U
CN210367349U CN201921242707.8U CN201921242707U CN210367349U CN 210367349 U CN210367349 U CN 210367349U CN 201921242707 U CN201921242707 U CN 201921242707U CN 210367349 U CN210367349 U CN 210367349U
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tank
sludge
sewage
grid
water
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CN201921242707.8U
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荆鉴茜
荆永峰
裴矗
张斌
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Yuncheng Qingze Environmental Protection Technology Co ltd
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Yuncheng Qingze Environmental Protection Technology Co ltd
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Abstract

The utility model relates to a domestic sewage treatment technical field, more specifically say, relate to a domestic sewage biomembrane processing system, handle domestic sewage through preliminary treatment pond, equalizing basin, MBBR membrane cisterna, microecology filter bed, under the prerequisite of guaranteeing to handle quality of water discharge to reach standard, guaranteed low construction cost and operation maintenance simple and convenient. Wherein, preliminary treatment pond is provided with catch basin, grid and grit chamber, the catch basin is used for the temporary storage of water when clearing up the grid, and the grid is mobile fixed knot structure, and wherein the board of decontaminating is for not having the through-hole setting for the filth of being intercepted by the grid is stranded on the limit, the clearance of being convenient for, and grit chamber bottom sets up in the board below of decontaminating, utilizes the suction dredge just can be smoothly with mud suction when the clearance, and easy operation need not to dig additional mud discharging channel under the underground. Sludge recovery adopts mud-water separator, and reciprocating motion through the push rod sends out mud and sewage separation respectively, conveniently retrieves.

Description

Domestic sewage biomembrane processing system
Technical Field
The utility model relates to a domestic sewage treatment technical field, more specifically say, relate to a domestic sewage biomembrane processing system.
Background
Rural domestic sewage is mainly from kitchen cooking water, bath water, washing water, water for flushing toilets and the like, wherein the content of organic matters is high, a large amount of organic matters and N, P and other substances flow into rivers and other water bodies due to unconscious discharge of people and washing of rainwater, and if the organic matters and N, P and other substances are not utilized, eutrophication is often caused, and adverse effects are brought to the health of people. Most rural domestic sewage has little difference in properties, the water basically does not contain heavy metals and toxic and harmful substances, contains a certain amount of nitrogen and phosphorus, and has strong biodegradability. In the existing sewage treatment system, the grid treatment is easy to block, and a water inlet source needs to be closed when the grid is cleaned, so that the normal sewage discharge is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a domestic sewage biomembrane processing system.
In order to achieve the above purpose, the utility model provides a technical scheme does:
a domestic sewage biomembrane treatment system comprises a pretreatment tank, an adjusting tank, an MBBR membrane tank, a microecological filter bed and a clean water tank, wherein the pretreatment tank, the adjusting tank, the MBBR membrane tank, the microecological filter bed and the clean water tank are sequentially connected in parallel; the pretreatment tank comprises a water collecting tank, a grid and a grit chamber, the water collecting tank is arranged below the water inlet, the grid is arranged below the water collecting tank, and the grit chamber is arranged below the grid; an opening in the middle of the pretreatment tank is communicated with the regulating tank; a sewage lifting pump is arranged below the regulating tank and lifts sewage in the regulating tank to the MBBR membrane tank; the upper part of the MBBR membrane pool is communicated with the micro-ecological filter bed through a U-shaped pipe, the outlet of the U-shaped pipe is connected with a water distribution pipe, and the water distribution pipe is arranged above the micro-ecological filter bed; the micro-ecological filter bed comprises a pretreatment section and a layered treatment section, wherein the pretreatment section is provided with a first cobble layer, the layered treatment section is sequentially provided with a soil layer, a gravel layer and a second cobble layer from top to bottom, a masonry is arranged between the pretreatment section and the layered treatment section, a water trough is arranged at the lower part of the masonry and communicates the first cobble layer with the second cobble layer, a water collecting pipe is arranged above the layered treatment section of the micro-ecological filter bed, and an outlet of the water collecting pipe is communicated with a clean water pool; domestic sewage is discharged after passing through the pretreatment tank, the regulating tank, the MBBR membrane tank, the micro-ecological filter bed and the clean water tank in sequence.
Further, the grid includes grid otter board and the board of decontaminating, the grid otter board is the platelike of constituteing by parallel bars, the grid otter board is fixed in the preliminary treatment pond with the board of decontaminating, the grid otter board is connected with the board of decontaminating is articulated.
Furthermore, an included angle between the grid mesh plate and the trash cleaning plate is 150-175 degrees, and the trash cleaning plate is parallel to the ground.
Furthermore, the bottom of the grit chamber is of a quadrangular frustum pyramid structure, the area of the bottom surface of the grit chamber is smaller than that of the top surface, and the bottom surface of the grit chamber is positioned under the dirt removing plate.
Further, the pretreatment tank is provided with the platform of decontaminating outward, and the pretreatment tank has seted up the mouth of decontaminating near platform one side of decontaminating, clear dirty board top is gone up to the mouth of decontaminating, clear dirty board below is gone up to the mouth of decontaminating, clear dirty mouthful is provided with the door of decontaminating.
Further, a sludge outlet is formed in the bottom of the MBBR membrane pool, and a grid is arranged at the sludge outlet to prevent the biological filler in the MBBR from flowing out; the MBBR membrane pool is continuously blown with fresh air by a blower.
Furthermore, the grating regularly cleans sundries, and the grit chamber and the MBBR membrane tank regularly clean sludge at the bottom of the tank.
Further, sludge in the grit chamber and the MBBR membrane tank is recovered by adopting a sludge-water separator, and the sludge-water separator is arranged on a sewage disposal platform; the mud-water separator comprises a sludge area, a sewage area, a push rod and a power mechanism; the sludge area is positioned above the sewage area, a push rod is arranged in the sludge area, and the push rod provides power for reciprocating motion through a power mechanism; a filtering partition plate is arranged between the sludge area and the sewage area; a sludge inlet pipe is arranged in the middle of the top of the sludge area, and a first sludge outlet and a second sludge outlet are symmetrically arranged at the bottom of the sludge area in the motion direction of the push rod; a sewage outlet pipe is arranged in the middle of the bottom of the sewage area; the sludge inlet pipe is communicated with the outlet of a sludge pump, and the inlet of the sludge pump is communicated with an MBBR membrane pool sludge outlet pipe and a sludge suction hose; the sewage outlet pipe extends into the pretreatment tank.
Further, the height of the first cobble layer in the pretreatment section is 1100 mm; the height of a soil layer in the layering treatment section is 300mm, the height of a gravel layer is 200mm, and the height of a second cobble layer is 600 mm.
Furthermore, the walls of the pretreatment tank, the regulating tank, the MBBR membrane tank and the clean water tank are made of carbon steel anti-corrosion materials; the micro-ecological filter bed adopts masonry.
Compared with the prior art, the utility model discloses the beneficial effect who has does:
the utility model provides a domestic sewage biomembrane processing system handles domestic sewage through preliminary treatment pond, equalizing basin, MBBR membrane cisterna, microecology filter bed, under the prerequisite of guaranteeing to handle quality of water discharge to reach standard, has guaranteed that low construction cost and operation are maintained simple and conveniently. Wherein, the preliminary treatment pond is provided with the catch basin, grid and grit chamber, the catch basin is used for the temporary storage of water when clearing up the grid, the grid is mobile fixed knot structure, wherein the board of decontaminating is for not having the through-hole setting, make the filth of being intercepted by the grid to be stranded on the limit, the clearance of being convenient for, grit chamber bottom sets up in the board below of decontaminating, utilize the suction dredge just can be smoothly with mud suction when the clearance, moreover, the operation is simple, need not to dig additional mud discharge passageway underground, the preliminary treatment pond of this system makes grid clearance and grit chamber mud discharge become simply high-efficient, easy maintenance simultaneously, safety. Sludge recovery adopts mud-water separator, and reciprocating motion through the push rod sends out mud and sewage separation respectively, conveniently retrieves.
Drawings
FIG. 1 is a top view of a domestic sewage biofilm treatment system provided by the present invention;
FIG. 2 is a sectional view of a domestic sewage biofilm treatment system provided by the present invention;
FIG. 3 is a schematic view of a mud-water separator;
FIG. 4 is a schematic view of a pretreatment tank of a domestic sewage biofilm treatment system provided by the present invention;
FIG. 5 is a schematic view of the bottom of the grit chamber for cleaning the pretreatment tank.
In the figure: 1 is a pretreatment tank, 2 is an adjusting tank, 3 is an MBBR membrane tank, 4 is a microecological filter bed, 5 is a clean water tank, 6 is a water collecting tank, 7 is a grid, 8 is a grit chamber, 9 is a sewage lifting pump, 10 is a U-shaped pipe, 11 is a water distribution pipe, 12 is a pretreatment section, 13 is a layered treatment section, 14 is a first cobble layer, 15 is a soil layer, 16 is a gravel layer, 17 is a second cobble layer, 18 is a masonry, 19 is a water trough, 20 is a grid screen plate, 21 is a sewage cleaning plate, 22 is a sewage cleaning platform, 23 is a sewage cleaning port, 24 is an air blower, 25 is a mud-water separator, 26 is a sludge area, 27 is a sewage area, 28 is a push rod, 29 is a power mechanism, 30 is a filtering baffle plate, 31 is a sludge inlet pipe, 32 is a first sludge outlet, 33 is a second sludge outlet, 34 is a sewage outlet pipe, 35 is a sludge outlet pipe, 36 is a sludge suction hose, 37 is a saw tooth, 38 is a driving gear, 39 is a driven tooth, 40 is a water collecting pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, a domestic sewage biofilm treatment system comprises a pretreatment tank 1, an adjusting tank 2, an MBBR membrane tank 3, a micro-ecological filter bed 4 and a clean water tank 5, wherein the system is of an integrated structure, and the pretreatment tank 1, the adjusting tank 2, the MBBR membrane tank 3, the micro-ecological filter bed 4 and the clean water tank 5 are sequentially connected in parallel; the pretreatment tank 1 comprises a water collecting tank 6, a grating 7 and a grit chamber 8, wherein the water collecting tank 6 is arranged below the water inlet, the grating 7 is arranged below the water collecting tank 6, and the grit chamber 8 is arranged below the grating 7; an opening in the middle of the pretreatment tank 1 is communicated with the adjusting tank 2; a sewage lifting pump 9 is arranged below the adjusting tank 2, and the sewage lifting pump 9 lifts sewage in the adjusting tank 2 to the MBBR membrane tank 3; the upper part of the MBBR membrane pool 3 is communicated with the micro-ecological filter bed 4 through a U-shaped pipe 10, the outlet of the U-shaped pipe 10 is connected with a water distribution pipe 11, the middle part of the water distribution pipe is provided with an opening for water inlet, the two ends of the water distribution pipe are closed, a pipe body is provided with a pipeline with water outlet holes side by side, and the water distribution pipe is arranged above the micro-ecological filter bed 4; the micro-ecological filter bed 4 comprises a pretreatment section 12 and a layered treatment section 13, wherein the pretreatment section 12 is provided with a first cobble layer 14, the layered treatment section 13 is sequentially provided with a soil layer 15, a gravel layer 16 and a second cobble layer 17 from top to bottom, a masonry 18 is arranged between the pretreatment section 12 and the layered treatment section 13, a water trough 19 is arranged at the lower part of the masonry 18, the water trough 19 communicates the first cobble layer 14 with the second cobble layer 17, a water collecting pipe 40 is arranged above the layered treatment section 13 of the micro-ecological filter bed 4, the water collecting pipe 40 is a pipe body provided with water filtering holes, one end of the water collecting pipe is closed, and the other end of the water collecting pipe is communicated with a clean water pool 5; domestic sewage is discharged after passing through the pretreatment tank 1, the adjusting tank 2, the MBBR membrane tank 3, the microecological filter bed 4 and the clean water tank 5 in sequence. The grid 7 comprises a grid screen plate 20 and a cleaning plate 21, wherein the grid screen plate 20 is in a plate shape consisting of parallel grid bars, the grid screen plate 20 and the cleaning plate 21 are fixed in the pretreatment tank 1, and the grid screen plate 20 is hinged to the cleaning plate 21. The included angle between the grid mesh plate 20 and the trash removal plate 21 is 150-175 degrees, and the trash removal plate 21 is parallel to the ground. The bottom of the grit chamber 8 is of a quadrangular frustum pyramid structure, the area of the bottom surface of the grit chamber 8 is smaller than that of the top surface, and the bottom surface of the grit chamber 8 is positioned under the dirt removing plate 21. Pretreatment pond 1 is provided with the platform of decontaminating 22 outward, and pretreatment pond 1 has seted up the mouth of decontaminating 23 being close to platform of decontaminating 22 one side, clear dirty 23 the higher authority in the board 21 top of decontaminating, clear dirty 23 the lower level in the board 21 below of decontaminating, clear dirty 23 is provided with the door of decontaminating, and when the door of decontaminating was closed, the sealed water-tight of the mouth of decontaminating. A sludge outlet is formed in the bottom of the MBBR membrane tank 3, and a grid is arranged at the sludge outlet to prevent the biological filler in the MBBR membrane tank 3 from flowing out; the MBBR membrane tank 3 is constantly blown with fresh air by means of a blower 24. The grating 7 is used for periodically cleaning impurities, and the grit chamber 8 and the MBBR membrane tank 3 are used for periodically cleaning sludge at the bottom of the tank. The height of the first cobble layer 14 in the pretreatment section is 1100 mm; the height of the soil layer 15 in the layering treatment section is 290mm, the height of the gravel layer 16 is 200mm, the height of the second cobble layer 17 is 600mm, and the floral leaf arundo donax, the yellow flag and the like are planted on the soil layer. The walls of the pretreatment tank, the regulating tank, the MBBR membrane tank and the clean water tank are made of carbon steel anticorrosive materials; the micro-ecological filter bed adopts masonry.
As shown in fig. 3, the sludge in the grit chamber 8 and the MBBR membrane tank 3 is recovered by a sludge-water separator 25, and the sludge-water separator 25 is arranged on the sewage disposal platform 22; the mud-water separator 25 comprises a sludge area 26, a sewage area 27, a push rod 28 and a power mechanism 29; the sludge area 26 is positioned above the sewage area 27, a push rod 28 is arranged in the sludge area 26, and the push rod 28 provides power for reciprocating motion through a power mechanism 29; a filtering baffle 30 is arranged between the sludge area 26 and the sewage area 27; a sludge inlet pipe 31 is arranged in the middle of the top of the sludge area 26, and a first sludge outlet 32 and a second sludge outlet 33 are symmetrically arranged at the bottom in the moving direction of the push rod 28; a sewage outlet pipe 34 is arranged in the middle of the bottom of the sewage area 27; the sludge inlet pipe 31 is communicated with the outlet of a sludge pump, and the inlet of the sludge pump is communicated with an MBBR membrane tank 3 sludge outlet pipe 35 and a sludge suction hose 36; the sewage outlet pipe 34 extends into the pretreatment tank 1. The tail end of the push rod 28 extends into the power mechanism 29, the upper end face of the tail end of the push rod 28 is provided with saw teeth 37, a driving gear 38 and a driven gear 39 are arranged above the push rod 28, and the driving gear 38, the driven gear 39 and the saw teeth 37 are meshed in pairs respectively; the driving gear 38 is an incomplete gear, two groups of teeth are symmetrically arranged on the driving gear 38, the center of the driving gear 38 is fixedly connected with a motor shaft of the motor, the power mechanism 29 controls the push rod to reciprocate within a certain range, and the movement range is controlled by the diameter of the driving gear 38 and the height of the sawteeth 37.
As shown in fig. 4-5, when cleaning the pretreatment tank 1, the outlet of the water collecting tank 6 is closed, so that the water from the water inlet is gathered in the water collecting tank 6, and does not flow into the subsequent process, the cleaner stands on the cleaning platform 22, opens the cleaning door, cleans the impurities on the grille 7 through the cleaning opening 23, after the impurities on the grille 7 are cleaned, opens the fixed structure of the cleaning plate 21, rotates the cleaning plate 21 and the grille plate 20 relatively, extends the sludge pump sludge suction hose 36 into the bottom of the grit chamber 8 through the gap, opens the sludge pump of the sludge-water separator 25 to suck the sludge in the grit chamber 8, sucks the sludge at the bottom of the MBBR membrane tank 3, opens the motor of the driving gear 39, controls the push rod 28 to reciprocate in the sludge area 26 through the power mechanism 29, presses the sludge through the sludge inlet pipe 31 into the first sludge outlet 32 and the second sludge outlet 33, and separates the sludge in the pressing process, sewage enters the sewage area 27 through the filtering baffle 30 and is discharged into the pretreatment tank 1 through the sewage outlet pipe 34, after the sludge is cleaned, the cleaning plate 21 is rotated back to the fixed position and is fixed, the cleaning door is closed, the outlet of the water collecting tank 6 is opened, and the system works normally.
The above description has been made in detail only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art, and all such changes are intended to be encompassed by the present invention.

Claims (10)

1. The utility model provides a domestic sewage biomembrane processing system which characterized in that: the system is of an integrated structure, and the pretreatment tank, the adjusting tank, the MBBR membrane tank, the micro-ecological filter bed and the clean water tank are sequentially connected in parallel; the pretreatment tank comprises a water collecting tank, a grid and a grit chamber, the water collecting tank is arranged below the water inlet, the grid is arranged below the water collecting tank, and the grit chamber is arranged below the grid; an opening in the middle of the pretreatment tank is communicated with the regulating tank; a sewage lifting pump is arranged below the regulating tank and lifts sewage in the regulating tank to the MBBR membrane tank; the upper part of the MBBR membrane pool is communicated with the micro-ecological filter bed through a U-shaped pipe, the outlet of the U-shaped pipe is connected with a water distribution pipe, and the water distribution pipe is arranged above the micro-ecological filter bed; the micro-ecological filter bed comprises a pretreatment section and a layered treatment section, wherein the pretreatment section is provided with a first cobble layer, the layered treatment section is sequentially provided with a soil layer, a gravel layer and a second cobble layer from top to bottom, a masonry is arranged between the pretreatment section and the layered treatment section, a water trough is arranged at the lower part of the masonry and communicates the first cobble layer with the second cobble layer, a water collecting pipe is arranged above the layered treatment section of the micro-ecological filter bed, and an outlet of the water collecting pipe is communicated with a clean water pool; domestic sewage is discharged after passing through the pretreatment tank, the regulating tank, the MBBR membrane tank, the micro-ecological filter bed and the clean water tank in sequence.
2. The biofilm system for treating domestic sewage of claim 1, wherein: the grid includes grid otter board and the board of decontaminating, the grid otter board is the platelike of constituteing by parallel bars, the grid otter board is fixed in the preliminary treatment pond with the board of decontaminating, the grid otter board is connected with the board of decontaminating is articulated.
3. The biofilm system for treating domestic sewage of claim 2, wherein: the included angle between the grid mesh plate and the trash removal plate is 150-175 degrees, and the trash removal plate is parallel to the ground.
4. The biofilm system for treating domestic sewage of claim 1, wherein: the bottom of the grit chamber is of a quadrangular frustum pyramid structure, the area of the bottom surface of the grit chamber is smaller than that of the top surface, and the bottom surface of the grit chamber is positioned under the dirt removing plate.
5. The biofilm system for treating domestic sewage of claim 1, wherein: the pretreatment tank is provided with the platform of decontaminating outward, and the pretreatment tank has seted up the mouth of decontaminating near the platform one side of decontaminating, clear dirty board top is gone up to the mouth of decontaminating, clear dirty board below is followed to the mouth of decontaminating, clear dirty mouthful is provided with the door of decontaminating.
6. The biofilm system for treating domestic sewage of claim 1, wherein: a sludge outlet is formed in the bottom of the MBBR membrane tank, and a grid is arranged at the sludge outlet; the MBBR membrane pool is continuously blown with fresh air by a blower.
7. The biofilm system for treating domestic sewage of claim 1, wherein: the grid regularly clears up debris, grit chamber and MBBR membrane pond regularly clear up bottom of the pool mud.
8. The biofilm system for treating domestic sewage of claim 7, wherein: sludge in the grit chamber and the MBBR membrane tank is recovered by adopting a sludge-water separator, and the sludge-water separator is arranged on a sewage disposal platform; the mud-water separator comprises a sludge area, a sewage area, a push rod and a power mechanism; the sludge area is positioned above the sewage area, a push rod is arranged in the sludge area, and the push rod provides power for reciprocating motion through a power mechanism; a filtering partition plate is arranged between the sludge area and the sewage area; a sludge inlet pipe is arranged in the middle of the top of the sludge area, and a first sludge outlet and a second sludge outlet are symmetrically arranged at the bottom of the sludge area in the motion direction of the push rod; a sewage outlet pipe is arranged in the middle of the bottom of the sewage area; the sludge inlet pipe is communicated with the outlet of a sludge pump, and the inlet of the sludge pump is communicated with an MBBR membrane pool sludge outlet pipe and a sludge suction hose; the sewage outlet pipe extends into the pretreatment tank.
9. The biofilm system for treating domestic sewage of claim 1, wherein: the height of the first cobble layer in the pretreatment section is 1100 mm; the height of a soil layer in the layering treatment section is 300mm, the height of a gravel layer is 200mm, and the height of a second cobble layer is 600 mm.
10. The biofilm system for treating domestic sewage of claim 1, wherein: the walls of the pretreatment tank, the regulating tank, the MBBR membrane tank and the clean water tank are made of carbon steel anticorrosive materials; the micro-ecological filter bed adopts masonry.
CN201921242707.8U 2019-08-02 2019-08-02 Domestic sewage biomembrane processing system Active CN210367349U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921242707.8U CN210367349U (en) 2019-08-02 2019-08-02 Domestic sewage biomembrane processing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921242707.8U CN210367349U (en) 2019-08-02 2019-08-02 Domestic sewage biomembrane processing system

Publications (1)

Publication Number Publication Date
CN210367349U true CN210367349U (en) 2020-04-21

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ID=70248401

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921242707.8U Active CN210367349U (en) 2019-08-02 2019-08-02 Domestic sewage biomembrane processing system

Country Status (1)

Country Link
CN (1) CN210367349U (en)

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