CN216998063U

CN216998063U - Air-floatation biofiltration device of drainage system

Info

Publication number: CN216998063U
Application number: CN202123100388.7U
Authority: CN
Inventors: 韩龙
Original assignee: Hubei Xianyuan Water Supply And Drainage Engineering Design Institute Co ltd
Current assignee: Hubei Xianyuan Water Supply And Drainage Engineering Design Institute Co ltd
Priority date: 2021-12-11
Filing date: 2021-12-11
Publication date: 2022-07-19
Anticipated expiration: 2031-12-11

Abstract

The utility model relates to the technical field of sewage treatment, and discloses an air-flotation biological filtering device of a drainage system, which comprises a filtering tank, wherein the top of the left side of the filtering tank is fixedly connected with a sewage inlet, the left side of the top of the filtering tank is fixedly connected with a flocculating agent feeding device, a filtering mechanism is arranged in the filtering tank, a stirring mechanism is arranged on the left side in the filtering tank, a conveying mechanism is arranged on the top in the filtering tank, an inspection door is arranged on the left side of the bottom of the front side of the filtering tank, a cover plate covers the right side of the top of the filtering tank, the filtering mechanism comprises a stirring chamber, an aeration seat, an air flotation chamber, a biological filtering chamber, a sludge chamber and a water purification chamber, and the stirring chamber is arranged on the left side in the filtering tank. The air-flotation biological filtering device of the drainage system saves a power device, converts water flow generated when sewage enters the filter box into kinetic energy to drive the stirring mechanism and the conveying mechanism, and saves a lot of cost while completing sludge purification.

Description

Air-flotation biological filtering device of drainage system

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to an air-flotation biological filtering device of a drainage system.

Background

Sewage treatment: the sewage is purified to reach the water quality requirement of being discharged into a certain water body or being reused. Sewage treatment is widely applied to various fields such as building, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.

The general sewage treatment only filters impurities by a physical method, but cannot achieve the effect of purifying water for use, and a higher-level sewage treatment method has the defects of high cost and is not popularized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an air-flotation biofiltration device of a drainage system, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a drainage system air-flotation biological filtering device comprises a filtering box, wherein the top of the left side of the filtering box is fixedly connected with a sewage inlet, the left side of the top of the filtering box is fixedly connected with a flocculating agent feeding device, a filtering mechanism is arranged in the filtering box, a stirring mechanism is arranged on the left side in the filtering box, a conveying mechanism is arranged at the top in the filtering box, an inspection door is installed on the left side of the front bottom of the filtering box, a cover plate covers the right side of the top of the filtering box, the filtering mechanism comprises a stirring chamber, an aeration seat, an air flotation chamber, a biological filtering chamber, a sludge chamber and a purified water chamber, the stirring chamber is arranged on the left side in the filtering box, the aeration seat is fixedly connected to the left side of the bottom of the filtering box on the right side of the stirring chamber, the air flotation chamber is arranged on the left side of the filtering box on the right side of the stirring chamber, the biological filtering chamber is arranged in the middle of the filtering box, the sludge chamber is arranged on the top of the right side in the filtering box, the water purifying chamber is arranged at the bottom of the right side in the filter tank.

Preferably, rabbling mechanism includes waterwheel, worm wheel, bull stick and puddler, waterwheel rotates and connects back top left side in the rose box, worm back end fixed connection is in waterwheel front center, the worm wheel meshes in the worm right side, bull stick fixed connection is in the worm wheel center, puddler fixed connection is close to the bottom in the bull stick outer lane.

Preferably, the conveying mechanism comprises a first bevel gear, a second bevel gear and a spiral conveying rod, the first bevel gear is fixedly connected to the rotating rod and is close to the top and below the worm wheel, the second bevel gear is meshed with the top of the right side of the first bevel gear, and the left end of the spiral conveying rod is fixedly connected to the center of the right side of the second bevel gear.

Preferably, biological filter room right side bottom communicates in the clean water room, just bamboo charcoal layer has been laid to biological filter room bottom, the MBR membrane has been laid to bamboo charcoal layer top to biological filter room gets into the clean water room again after getting rid of organic matter and the microorganism in the filtered water through biological filtration.

Preferably, the water receiving box on the left side of the waterwheel is positioned right below the sewage inlet, so that the waterwheel can be rotated by water flow.

Preferably, the worm back end penetrates through the center of the waterwheel and extends to the back in the filter box, the worm back end is rotatably connected to the back of the filter box through a bearing, and the worm front end is rotatably connected to the inner wall of the front of the filter box through a bearing, so that the worm is stable and can rotate.

Preferably, the right end of the spiral conveying rod is connected to the top of the right side in the filter box in a rotating mode through a bearing, the left end of the spiral conveying rod penetrates through a partition plate between the stirring chamber and the air floating chamber and extends to the center of the right side of the second bevel gear, and the bearing is arranged at the joint of the spiral conveying rod and the partition plate, so that the spiral conveying rod is stable and can rotate.

Compared with the prior art, the utility model provides an air-floatation biofiltration device of a drainage system, which has the following beneficial effects:

1. this drainage system air supporting biofiltration device saves power device, utilizes rivers transformation kinetic energy when sewage gets into the rose box to drive rabbling mechanism and conveying mechanism, has also saved a lot of costs when accomplishing sludge purification.

2. The air-floating biological filtering device of the drainage system combines physical filtration and biological filtration, so that the obtained purified water has high quality.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic sectional view of the front side of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 4 is an enlarged schematic view of B in fig. 2.

In the figure: 1. a filter box; 2. a sewage inlet; 3. a flocculant feeding device; 4. a filtering mechanism; 401. a stirring chamber; 402. an aeration seat; 403. an air flotation chamber; 404. a biological filtration chamber; 405. a sludge chamber; 406. a water purifying chamber; 5. a stirring mechanism; 501. a waterwheel wheel; 502. a worm; 503. a worm gear; 504. a rotating rod; 505. a stirring rod; 6. a conveying mechanism; 601. a first bevel gear; 602. a second bevel gear; 603. a screw conveying rod; 7. an inspection door; 8. a cover plate; 9. a sewage draining outlet; 10. a water drain valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: a drainage system air-flotation biological filtering device comprises a filtering box 1, the top of the left side of the filtering box 1 is fixedly connected with a sewage inlet 2, the left side of the top of the filtering box 1 is fixedly connected with a flocculating agent throwing device 3, a filtering mechanism 4 is arranged inside the filtering box 1, the left side in the filtering box 1 is provided with a stirring mechanism 5, the top in the filtering box 1 is provided with a conveying mechanism 6, the left side of the front bottom of the filtering box 1 is provided with an inspection door 7, the right side of the top of the filtering box is covered with a cover plate 8, the filtering mechanism 4 comprises a stirring chamber 401, an aeration seat 402, an air flotation chamber 403, a biological filtering chamber 404, a sludge chamber 405 and a purified water chamber 406, the stirring chamber 401 is arranged at the left side in the filtering box 1, the aeration seat 402 is fixedly connected to the left side of the bottom of the filtering box 1 at the right side of the stirring chamber 401, the biological filtering chamber 404 is arranged at the left side of the filtering box 1 at the right side of the stirring chamber 401, the bottom of the right side of the biological filter chamber 404 is communicated with a water purification chamber 406, a bamboo charcoal layer is laid at the bottom of the biological filter chamber 404, an MBR membrane is laid above the bamboo charcoal layer, so that organic matters and microorganisms in filtered water are removed by biological filtration in the biological filter chamber 404 and then enter the water purification chamber 406, a sludge chamber 405 is arranged at the top of the right side in the filter tank 1, the water purification chamber 406 is arranged at the bottom of the right side in the filter tank 1, a stirring mechanism 5 comprises a water wheel 501, a worm 502, a worm wheel 503, a rotating rod 504 and a stirring rod 505, the water wheel 501 is rotatably connected to the left side of the top of the back in the filter tank 1, a water receiving box at the left side of the water wheel 501 is positioned right below a sewage inlet 2, so that the water wheel 501 rotates due to water flow, the back end of the worm 502 is fixedly connected to the center of the front of the water wheel 501, the back end of the worm 502 penetrates through the center of the water wheel 501 and extends to the back in the filter tank 1, and the back end of the worm 502 is rotatably connected to the back of the filter tank 1 through a bearing, the front end of a worm 502 is rotatably connected to the inner wall of the front of the filter box 1 through a bearing so that the worm 502 is kept stable and can rotate, a worm wheel 503 is meshed with the right side of the worm 502, a rotating rod 504 is fixedly connected to the center of the worm wheel 503, a stirring rod 505 is fixedly connected to the outer ring of the rotating rod 504 close to the bottom, a conveying mechanism 6 comprises a first bevel gear 601, a second bevel gear 602 and a spiral conveying rod 603, the first bevel gear 601 is fixedly connected to the top of the rotating rod 504 close to the top and below the worm wheel 503, the second bevel gear 602 is meshed with the top of the right side of the first bevel gear 601, the left end of the spiral conveying rod 603 is fixedly connected to the center of the right side of the second bevel gear 602, the right end of the spiral conveying rod 603 is rotatably connected to the top of the right side in the filter box 1 through a partition board between the stirring chamber 401 and the floating chamber 403 and extends to the center of the right side of the second bevel gear 602, and a bearing is arranged at the connection of the spiral conveying rod 603 and the partition board, so that the spiral conveying rod 603 is stable and can rotate, a power device is omitted, the water flow generated when sewage enters the filter box 1 is converted into kinetic energy to drive the stirring mechanism 5 and the conveying mechanism 6, and a lot of cost is saved while sludge purification is completed.

In practical operation, when the device is used, sewage is pumped into the stirring chamber 401 in the filter tank 1 through the sewage inlet 2 by the sewage pump, the water flow impacts the water wheel 501 to rotate, thereby driving the worm 502 to rotate, thereby driving the meshed worm wheel 503 to rotate, thereby driving the stirring rod 505 by the rotating rod 504, thereby stirring the sewage flowing into the stirring chamber 401, the sewage and the flocculant are fully reacted and then enter the air flotation chamber 403 from the bottom, and the sludge is aerated by the aeration seat 402 to be adsorbed on the bubbles, at this time, the floccules float on the upper surface of the air flotation chamber 403 and are brought into the sludge chamber 405 by the conveying mechanism 6, specifically, the rotating rod 504 drives the first bevel gear 601 to rotate, thereby driving the meshed second bevel gear 602 to rotate, thereby rotating the spiral conveying rod 603 to convey the floated floccules, the water flow below enters the biological filter chamber 404 through the gap above, purified water obtained after filtration by the MBR membrane and the bamboo charcoal layer enters the purified water chamber 406 from the bottom, sludge can be discharged through the sewage outlet 9, and the purified water is used through the water drain valve 10.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a drainage system air supporting biofiltration device, includes rose box (1), its characterized in that: the device is characterized in that the top of the left side of the filter box (1) is fixedly connected with a sewage inlet (2), the left side of the top of the filter box (1) is fixedly connected with a flocculating agent feeding device (3), a filter mechanism (4) is arranged inside the filter box (1), a stirring mechanism (5) is arranged on the left side in the filter box (1), a conveying mechanism (6) is arranged on the top in the filter box (1), an inspection door (7) is arranged on the left side of the bottom of the front side of the filter box (1), and a cover plate (8) is connected to the right side cover of the top of the filter box;

filtering mechanism (4) are including teeter chamber (401), aeration seat (402), air supporting chamber (403), biological filter chamber (404), mud room (405) and clean water room (406), left side in rose box (1) is seted up in teeter chamber (401), aeration seat (402) fixed connection is on teeter chamber (401) right side in rose box (1) bottom left side, air supporting chamber (403) are seted up in rose box (1) left side on teeter chamber (401) right side, filter box (1) middle part is seted up in biological filter chamber (404), right side top in rose box (1) is seted up in mud room (405), right side bottom in rose box (1) is seted up in clean water room (406).

2. The air-floating biofiltration device of the drainage system as claimed in claim 1, wherein: rabbling mechanism (5) are including waterwheel (501), worm (502), worm wheel (503), bull stick (504) and puddler (505), waterwheel (501) rotate to be connected in rose box (1) back top left side, worm (502) back end fixed connection is in waterwheel (501) front center, worm wheel (503) mesh in worm (502) right side, bull stick (504) fixed connection is in worm wheel (503) center, puddler (505) fixed connection is close to the bottom in bull stick (504) outer lane.

3. The air-floating biofiltration device of the drainage system as claimed in claim 1, wherein: the conveying mechanism (6) comprises a first bevel gear (601), a second bevel gear (602) and a spiral conveying rod (603), the first bevel gear (601) is fixedly connected to the rotating rod (504) and is arranged below the worm gear (503) close to the top, the second bevel gear (602) is meshed with the top of the right side of the first bevel gear (601), and the left end of the spiral conveying rod (603) is fixedly connected to the center of the right side of the second bevel gear (602).

4. The air-float biofiltration device for the drainage system as claimed in claim 1, wherein: biological filter chamber (404) right side bottom communicates in clean water chamber (406), just bamboo charcoal layer has been laid to biological filter chamber (404) bottom, the MBR membrane has been laid to bamboo charcoal layer top.

5. The air-floating biofiltration device of the drainage system as claimed in claim 2, wherein: the water receiving box on the left side of the waterwheel (501) is positioned right below the sewage inlet (2).

6. The air-floating biofiltration device of the drainage system as claimed in claim 2, wherein: the back end of the worm (502) penetrates through the center of the water wheel (501) and extends to the inner back face of the filter box (1), the back end of the worm (502) is rotatably connected to the back face of the filter box (1) through a bearing, and the front end of the worm (502) is rotatably connected to the front inner wall of the filter box (1) through a bearing.

7. The air-floating biofiltration device of the drainage system as claimed in claim 3, wherein: the right end of the spiral conveying rod (603) is rotatably connected to the top of the right side in the filter box (1) through a bearing, the left end of the spiral conveying rod (603) penetrates through a partition plate between the stirring chamber (401) and the air flotation chamber (403) and extends to the center of the right side of the second bevel gear (602), and a bearing is arranged at the joint of the spiral conveying rod (603) and the partition plate.