CN215939219U

CN215939219U - Preliminary screening device for sewage treatment

Info

Publication number: CN215939219U
Application number: CN202122438659.3U
Authority: CN
Inventors: 仓洪峰; 李景
Original assignee: Jiangsu Tianzheng Environmental Protection Technology Co ltd
Current assignee: Jiangsu Tianzheng Environmental Protection Technology Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-03-04
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses a primary screening device for sewage treatment, which comprises a primary screening tank main body, wherein a first screening tank and a second screening tank are respectively arranged on two sides of the inner top end of the primary screening tank main body, a sewage and wastewater inlet pipe is installed at the top end of the side wall of the first screening tank, a sewage and wastewater outlet pipe is installed at the bottom end of the side wall of the second screening tank, a sewage collecting chamber is arranged outside the lower part of the second screening tank, a filtering mechanism is arranged in the center of the inner part of the second screening tank, the top end of a transfer pipeline mechanism extends to the inner part above the filtering mechanism, a centrifugal mechanism is installed outside the top end of the second screening tank, and a centralized treatment mechanism is arranged inside the sewage collecting chamber. This preliminary screening device for sewage treatment can be convenient sieve out the less solid waste of volume, and the convenient concentrated clearance of solid waste after the screening.

Description

Preliminary screening device for sewage treatment

Technical Field

The utility model relates to the technical field of sewage and wastewater treatment, in particular to a primary screening device for sewage and wastewater treatment.

Background

Sewage treatment is a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, 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 wastewater treatment is to treat the wastewater by physical, chemical and biological methods, so that the wastewater is purified, the pollution is reduced, the wastewater is recycled and reused, and water resources are fully utilized. In the process of treating sewage and wastewater, solid substances in the sewage and wastewater need to be screened firstly.

The primary screening process in the existing sewage treatment tank is mostly implemented by embedding screen plates, in order to keep a water inlet smooth, the mounting positions of the screen plates are usually low, solid wastes after screening are inconvenient to clean quickly, the situation that the mesh screen is blocked easily occurs, and when the solid wastes are small, the screen plates are not easy to screen out.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a primary screen device for sewage treatment, which solves the problems that solid waste on a screen plate primary screen in a sewage treatment tank is inconvenient to clean in time and the screen plate is difficult to screen out when the solid waste is small in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a prescreening device for sewage treatment, includes the prescreening pond main part, the inside both sides in prescreening pond main part top are equipped with first screening pond and second screening pond respectively, and first screening pond lateral wall top is installed sewage and is advanced the pipe, and sewage and waste water exit tube are installed to second screening pond lateral wall bottom, and second screening pond below outside is equipped with the dirty room of collection, first screening pond internally mounted has lift otter board to divide sieve mechanism, flow channel has been seted up between first screening pond and the second screening pond, and flow channel externally mounted has transfer pipe mechanism, second screening pond internal center of portion is equipped with filter mechanism, and inside transfer pipe mechanism top extended filter mechanism top, second screening pond top externally mounted has centrifugal mechanism, the dirty indoor portion of collection is equipped with centralized processing mechanism.

Preferably, the lifting screen plate screening mechanism comprises a sealing inclined plate, pneumatic telescopic rods are connected to two sides inside the sealing inclined plate in a penetrating mode, the upper end and the lower end of each pneumatic telescopic rod are respectively provided with a screening screen plate and the pneumatic telescopic rods, limiting support plates are arranged on four sides below the screening screen plate, the limiting support plates are externally connected with a first screening pool side wall, and the bottom height of the circulating pipeline is equal to the bottom height of the sealing inclined plate.

Preferably, the transfer pipeline mechanism comprises a lifting pipeline, a limiting transverse hook is sleeved outside the upper portion of the lifting pipeline, the limiting transverse hook is externally mounted on the side wall of the second screening pool, and a three-way pipeline is mounted outside the top end of the lifting pipeline.

Preferably, centrifugation mechanism is including fixed stretcher, and fixed stretcher installs in second screening pond top both sides, and fixed stretcher top externally mounted has servo motor, and there is the spiral pole setting servo motor bottom outside through the coupling joint, and spiral pole setting bottom is located inside the filter equipment.

Preferably, filtering mechanism is including concentrating the kerve, and it locates inside the second screening pond below to concentrate the kerve, concentrates the kerve top externally mounted to have a filtering ring section of thick bamboo, concentrates kerve bottom middle part to be connected with solid waste pipe way, and solid waste pipe says that inside is equipped with leads to the check valve.

Preferably, the centralized processing mechanism comprises a solid waste collection box, the solid waste collection box is positioned below the solid waste pipeline, movable casters are arranged at intervals outside the bottom end of the solid waste collection box, and a supporting handle is arranged outside the side edge of the solid waste collection box.

Compared with the prior art, the utility model has the beneficial effects that: this preliminary screening device for sewage treatment can be convenient sieve out the less solid waste of volume, and the convenient concentrated clearance of solid waste after the screening. This preliminary screening of device for sewage treatment is equipped with lift otter board in the first screening pond and divides sieve mechanism, can clear up the great solid wastes material of volume fast through the otter board that goes up and down, and is equipped with centrifugal mechanism and filtering mechanism in the second screening pond, makes things convenient for the less solid wastes material of centrifugal screening volume to can concentrate the recovery clearance through centralized processing mechanism, improve the preliminary screening efficiency of dirty waste water.

Drawings

FIG. 1 is a schematic structural view of a primary screening device for wastewater treatment according to the present invention;

fig. 2 is a side view schematically showing the structure of a sewage collecting chamber of a prescreening device for wastewater treatment according to the present invention.

In the figure: 1. the device comprises a primary screening tank body, 101, a sewage and wastewater inlet pipe, 102, a first screening tank, 103, a second screening tank, 104, a sewage collecting chamber, 105, a sewage and wastewater outlet pipe, 2, a lifting screen plate screening mechanism, 201, a screening screen plate, 202, a limiting support plate, 203, a pneumatic telescopic rod, 204, a sealing inclined plate, 205, a cylinder body, 3, a flow pipeline, 4, a transfer pipeline mechanism, 401, a limiting transverse hook, 402, a lifting pipeline, 403, a three-way pipeline, 5, a centrifugal mechanism, 501, a servo motor, 502, a spiral upright rod, 503, a fixed stretcher, 6, a filtering mechanism, 601, a filtering ring barrel, 602, a concentrated bottom groove, 603, a solid waste pipeline, 7, a concentrated processing mechanism, 701, a solid waste collecting box, 702, a movable caster wheel, 703 and a supporting handle.

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.

Referring to fig. 1-2, the present invention provides a technical solution: a primary screening device for sewage treatment comprises a primary screening tank main body 1, wherein a first screening tank 102 and a second screening tank 103 are respectively arranged on two sides of the inner top end of the primary screening tank main body 1, a sewage inlet pipe 101 is arranged on the top end of the side wall of the first screening tank 102, a sewage outlet pipe 105 is arranged on the bottom end of the side wall of the second screening tank 103, a sewage collecting chamber 104 is arranged outside the lower part of the second screening tank 103, a lifting screen plate screening mechanism 2 is arranged inside the first screening tank 102, the lifting screen plate screening mechanism 2 comprises a sealing inclined plate 204, pneumatic telescopic rods 203 are respectively connected with two sides of the inner part of the sealing inclined plate 204 in a penetrating manner, screening screen plates 201 and pneumatic telescopic rods 203 are respectively arranged at the upper end and the lower end of the pneumatic telescopic rods 203, limiting support plates 202 are respectively arranged on four sides below the screening screen plates 201, the outer parts of the limiting support plates 202 are connected with the side wall of the first screening tank 102, the bottom height of a pipeline 3 is equal to the bottom height of the sealing inclined plate 204, and sewage on the sealing inclined plate 204 can enter the pipeline circulation 3, the screening net plate 201 can lift solid wastes with larger volume to the upper part of the first screening pool 102 through the lifting of the pneumatic telescopic rod 203 so as to be convenient to clean, the limiting support plate 202 can support the falling position of the screening net plate 201, when the solid wastes on the screening net plate 201 are more, the limiting support plate 202 can also share part of the pressure of the screening net plate 201, the circulating pipeline 3 is arranged between the first screening pool 102 and the second screening pool 103, the transfer pipeline mechanism 4 is arranged outside the circulating pipeline 3, the transfer pipeline mechanism 4 comprises a lifting pipeline 402, a limiting transverse hook 401 is sleeved outside the lifting pipeline 402, the limiting transverse hook 401 is externally arranged on the side wall of the second screening pool 103, a three-way pipeline 403 is arranged outside the top end of the lifting pipeline 402, and the lifting pipeline 402 and the three-way pipeline 403 can transfer the sewage of the circulating pipeline 3 to the upper part of the filtering mechanism 6 through the structure, when a user needs to add additives into sewage, the additives can be conveniently added through the three-way pipeline 403, the filtering mechanism 6 is arranged at the center inside the second screening tank 103, the top end of the transfer pipeline mechanism 4 extends to the inside above the filtering mechanism 6, the filtering mechanism 6 comprises a concentrated bottom tank 602, the concentrated bottom tank 602 is arranged inside the lower part of the second screening tank 103, a filtering ring cylinder 601 is arranged outside the top end of the concentrated bottom tank 602, the middle part of the bottom end of the concentrated bottom tank 602 is connected with a solid waste pipeline 603, a through valve is arranged inside the solid waste pipeline 603, the structure enables the filtering ring cylinder 601 to shield solid waste in the sewage in centrifugal motion, the filtered solid waste can enter the solid waste pipeline 603 through the concentrated bottom tank 602, the filtering ring cylinder 601 can be supported by a mesh plate or a permeable membrane for filtering small-size solid waste, the concentrated processing mechanism 7 comprises a solid waste collecting box 701, the solid waste collecting box 701 is positioned below the solid waste pipeline 603, the movable casters 702 are arranged at intervals outside the bottom end of the solid waste collecting box 701, the supporting handle 703 is arranged outside the side edge of the solid waste collecting box 701, the structure enables solid waste in the solid waste pipeline 603 to directly fall into the solid waste collecting box 701, a user can hold the solid waste collecting box 701 on the supporting handle 703 and conveniently move through the movable casters 702, so that the solid waste collecting box 701 is moved out of the solid waste collecting box 701 for dumping, the centrifugal mechanism 5 is arranged outside the top end of the second screening tank 103, the centrifugal mechanism 5 comprises fixed stretchers 503, the fixed stretchers 503 are arranged on two sides of the top end of the second screening tank 103, the servo motor 501 is arranged outside the top end of the fixed stretchers 503, the spiral upright 502 is connected to the outside of the bottom end of the servo motor 501 through a coupler, and the bottom end of the spiral upright 502 is positioned inside the filtering mechanism 6, the structure ensures that the servo motor 501 on the fixed stretcher 503 can not contact sewage, the spiral upright 502 can rotate in the filtering mechanism 6 to accelerate sewage to carry out centrifugal motion, the centralized processing mechanism 7 is arranged in the sewage collection chamber 104, the structure ensures that the sewage can be screened by the lifting screen plate screening mechanism 2 for larger solid wastes, the lifting screen plate screening mechanism 2 can push the solid wastes upwards for cleaning, the sewage can enter the filtering mechanism 6 through the circulating pipeline 3 and the transfer pipeline mechanism 4 and then be screened again through the centrifugal mechanism 5, so that the solid wastes with smaller volume can be intensively discharged into the centralized processing mechanism 7 for cleaning, the screening and cleaning efficiency of the solid wastes in the sewage and wastewater is improved,

the working principle is as follows: when the primary screening device for sewage treatment is used, firstly, a user can discharge sewage into the screen separation plate 201 through the sewage inlet pipe 101, the sewage can leave larger solid wastes on the top surface of the screen separation plate 201 after being filtered by the screen separation plate 201, then the sewage after primary screening can enter the circulating pipeline 3 along the screen separation plate 201, then the sewage enters the interior of the filtering ring cylinder 601 through the lifting pipeline 402 and the three-way pipeline 403 on the limiting transverse hook 401, then the user can start the servo motor 501 on the fixed stretcher 503 to drive the spiral upright rod 502 to rotate, so that the sewage can centrifugally move to penetrate through the inner wall of the filtering ring cylinder 601 to enter the second screening tank 103 and be discharged through the sewage outlet pipe 105, then the solid wastes with smaller volume remained in the filtering ring cylinder 601 can enter the solid waste collection box 701 along the concentrated bottom groove 602 and the solid waste pipeline 603, and when more solid wastes are accumulated in the solid waste collection box 701, the user can hold on holding handle 703 and will shift out dirt collecting chamber 104 through travelling wheel 702 and empty, and when the user need clear up the solid wastes material in first screening pond 102, can start cylinder main part 205 and upwards lift up pneumatic telescopic rod 203 through pneumatic telescopic rod 203 to make solid wastes material be removed and conveniently clear up to first screening pond 102 top, thereby accomplish a series of work.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a preliminary screening device for sewage treatment, includes preliminary screening pond main part (1), its characterized in that: the primary screening tank comprises a primary screening tank body (1), wherein a first screening tank (102) and a second screening tank (103) are respectively arranged on two sides of the inside of the top end of the primary screening tank body (1), a sewage inlet pipe (101) is installed on the top end of the side wall of the first screening tank (102), a sewage outlet pipe (105) is installed at the bottom end of the side wall of the second screening tank (103), a sewage collecting chamber (104) is arranged outside the lower portion of the second screening tank (103), a lifting screen plate screening mechanism (2) is installed inside the first screening tank (102), a circulating pipeline (3) is arranged between the first screening tank (102) and the second screening tank (103), a transfer pipeline mechanism (4) is installed outside the circulating pipeline (3), a filtering mechanism (6) is arranged at the center of the inside of the second screening tank (103), the top end of the transfer pipeline mechanism (4) extends to the inside of the filtering mechanism (6), a centrifugal mechanism (5) is installed outside the top end of the second screening tank (103), the inside of the sewage collection chamber (104) is provided with a centralized processing mechanism (7).

2. The prescreening device for sewage treatment of claim 1, wherein: the lifting screen plate screening mechanism (2) comprises a sealing sloping plate (204), two sides inside the sealing sloping plate (204) are all connected with pneumatic telescopic rods (203) in a penetrating mode, the upper ends and the lower ends of the pneumatic telescopic rods (203) are respectively provided with a screening screen plate (201) and a pneumatic telescopic rod (203), limiting support plates (202) are placed on four sides below the screening screen plate (201), the limiting support plates (202) are externally connected with side walls of a first screening pool (102), and the bottom of a circulating pipeline (3) is highly equal to the bottom of the sealing sloping plate (204).

3. The prescreening device for sewage treatment of claim 1, wherein: the transfer pipeline mechanism (4) comprises a lifting pipeline (402), a limiting transverse hook (401) is sleeved outside the upper portion of the lifting pipeline (402), the limiting transverse hook (401) is externally installed on the side wall of the second screening pool (103), and a three-way pipeline (403) is installed outside the top end of the lifting pipeline (402).

4. The prescreening device for sewage treatment of claim 1, wherein: centrifugal mechanism (5) are including fixed stretcher (503), and fixed stretcher (503) are installed in second screening pond (103) top both sides, and fixed stretcher (503) top externally mounted has servo motor (501), and there is spiral pole setting (502) servo motor (501) bottom outside through the coupling joint, and spiral pole setting (502) bottom is located inside filter equipment (6).

5. The prescreening device for sewage treatment of claim 1, wherein: filtering mechanism (6) are including concentrating kerve (602), concentrate inside kerve (602) locate second screening pond (103) below, concentrate kerve (602) top externally mounted have a filter ring section of thick bamboo (601), concentrate kerve (602) bottom middle part and be connected with solid waste pipe way (603), solid waste pipe way (603) inside is equipped with logical check valve.

6. The prescreening device for sewage treatment of claim 5, wherein: the centralized processing mechanism (7) comprises a solid waste collection box (701), the solid waste collection box (701) is located below a solid waste pipeline (603), movable casters (702) are installed at intervals outside the bottom end of the solid waste collection box (701), and a supporting handle (703) is installed outside the side edge of the solid waste collection box (701).