CN210495468U

CN210495468U - Adjustable back-washing internal inflow screen plate grid

Info

Publication number: CN210495468U
Application number: CN201921034505.4U
Authority: CN
Inventors: 梁景元; 曹丁红
Original assignee: Tianjin Qingmao Environmental Protection Technology Co Ltd
Current assignee: Tianjin Qingmao Environmental Protection Technology Co Ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-05-12
Anticipated expiration: 2029-07-04

Abstract

An adjustable back-washing inner-inflow screen plate grid, which comprises a frame, a driving motor and a chain wheel, wherein, the two sides, the top and the bottom of the frame are provided with an integrated screen plate, the screen plate is composed of chains at the two sides, a ladder bar lapped between the two chains and a plurality of screen plates connected with the ladder bar in a penetrating way, meshes are evenly distributed on the screen plates, the top of the frame is provided with a chain wheel for driving the chain to rotate, a garbage collector is arranged between the screen plates at the two sides of the bottom of the chain wheel, the bottom of the garbage collector is provided with a slag hole, a conveying belt is fixedly arranged below the slag hole, one end of the conveying belt extends out of the frame, a slag collecting groove is arranged below the extending end, and an intermediate shaft of the chain wheel is connected to the driving motor fixed on the outer wall of the frame. And a medium-pressure or high-pressure backwashing device is selected according to water quality adjustment, equipment is cleaned in time, and the effluent quality is ensured.

Description

Adjustable back-washing internal inflow screen plate grid

Technical Field

The utility model relates to a sewage treatment field especially relates to an influent otter board grid in adjustable back flush.

Background

With the rapid development of industrial and urban construction industries, industrial wastewater and domestic sewage are increasing. In order to prevent pollution and protect the environment, sewage needs to be treated. However, in the sewage treatment process, solid waste needs to be removed at the front end, the existing method is to arrange an intercepting net at the front end of a river from which sewage is discharged for clearing, however, in the clearing mode, after the solid waste reaches a certain degree, the solid waste is accumulated, so that the flow of river water is influenced, meanwhile, manual fishing is needed to be carried out occasionally, the solid waste intercepted on the intercepting net is taken down and transported, the working efficiency is low, and the labor intensity is high. The existing fine grid sewage removing machine applied to occasions such as municipal sewage treatment, industrial wastewater treatment and the like adopts a dynamic grid-shaped toothed harrow or a plow-shaped toothed harrow, can only intercept larger floaters in the sewage, but can not intercept fine floaters and suspended solids in the sewage, particularly fibrous sewage, is easy to wind on a grid body and the toothed harrow, is difficult to clean, reduces the sewage removing efficiency of the fine grid sewage removing machine, and can also cause equipment operation faults.

Disclosure of Invention

The utility model provides an adjustable back-washing inner inflow screen plate grid to solve the problems.

The utility model discloses the technical scheme who takes:

an adjustable back-washing inner inflow screen plate grid comprises a frame, a driving motor and a chain wheel, wherein two sides, the top and the bottom of the frame are provided with an integrated screen plate, the screen plate is formed by connecting chains at two sides, a step rod lapped between the two chains and a plurality of screen plates penetrating and connected on the step rod, the screen plates are uniformly distributed with meshes, the top of the frame is provided with a chain wheel driving the chains to rotate, a garbage collector is arranged between the screen plates at the two sides of the bottom of the chain wheel, the bottom of the garbage collector is provided with a slag outlet, a conveying belt is fixedly arranged below the slag outlet, one end of the conveying belt extends out of the frame, a slag collecting groove is arranged below the extending end, a middle shaft of the chain wheel is connected to the driving motor fixed on the outer wall of the frame, medium-pressure washing pump pipes are symmetrically arranged at two sides above the chain wheel, spray heads facing the chain wheel are uniformly distributed on the medium-pressure washing pump pipes, the position that the top central authorities of sprocket are higher than the middling pressure washing pump pipe sets up the high pressure washing pump pipe, and the high pressure pump body connection that sets up outside high pressure washing pump pipe and the frame, the lower part of frame is met water and is held and has been seted up a water inlet, and one side relative with the water inlet has set firmly the back otter board, back otter board and frame fixed connection, the fixed outer brush that is equipped with in outside of back otter board, the fixed interior brush that is equipped with in inboard of back otter board, the outer cleaning brush that is provided with of the surrounding of partition sieve board lower part outside, cleaning brush in the.

The otter board include the grid board body, the top of grid board body is the adapter sleeve, the lower part of grid board body is buckled to the pivoted sieve separator inboard of buckling, forms the kink, the end of kink is opened there is the rake teeth, the kink deviates from one side of buckling the direction and is provided with the connection boss, has seted up the shoulder pole hole on the connection boss.

The connecting sleeve of the grating plate body is arranged in the middle of the ladder rod in a penetrating mode, and the connecting bosses of the adjacent grating plate bodies are arranged on two sides of the ladder rod in a penetrating mode.

Two ends of the conveying belt are tensioned on conveying rollers arranged outside the water inlet side and the water outlet side of the upper part of the rack.

The utility model has the advantages that: the utility model discloses a set up on the otter board and drag for the rake teeth and the collection sediment kink of sediment, be convenient for concentrate the scarfing cinder, sprocket and chain cooperation scrubbing simple structure are reliable, select middling pressure or high-pressure back flush device according to quality of water regulation, and timely cleaning equipment guarantees out water quality of water.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a schematic view of the screen structure of the present invention.

Wherein: 1-a frame; 2-flushing the pump pipe under high pressure; 3-a high-pressure pump body; 4-washing the pump pipe with medium pressure; 5-a spray head; 6-driving a motor; 7-a conveyor belt; 8-conveying rollers; 9-step bar; 10-screen plate; 10.1-a grid plate body; 10.2-connecting sleeve; 10.3-a shoulder pole hole; 10.4-rake teeth; 10.5-bending part; 11-a water inlet; 12-rear screen plate; 13-inner brush; 14-outer brush; 15-a slag collecting groove; 16-a medium pressure pump body; 17-a sprocket; 18-a waste collector; 19-internal cleaning brush; 20-external cleaning brush; 21-chain.

Detailed Description

An adjustable back-washing internal inflow screen plate grid comprises a frame 1, a driving motor 6 and a chain wheel 17, wherein two sides, the top and the bottom of the frame 1 are provided with an integrated screen plate, the screen plate is formed by connecting chains 21 at two sides, a ladder bar 9 lapped between the two chains 21 and a plurality of screen plates 10 penetrating and connected on the ladder bar 9, the screen plates 10 are uniformly distributed with meshes, the top of the frame 1 is provided with the chain wheel 17 driving the chains 21 to do rotary motion, a garbage collector 18 is arranged between the screen plates 10 at two sides of the bottom of the chain wheel 17, the bottom of the garbage collector 18 is provided with a slag hole, a conveyor belt 7 is fixedly arranged below the slag hole, one end of the conveyor belt 7 extends out of the frame 1, a slag collecting groove 15 is arranged below the extending end, a middle shaft of the chain wheel 17 is connected to the driving motor 6 fixed on the outer wall of the frame 1, two sides above the chain wheel 17 are, the middle-pressure washing pump pipe 4 is evenly provided with spray heads 5 facing a chain wheel 17, the middle-pressure washing pump pipe 4 is connected with a middle-pressure pump body 16 arranged outside the rack 1, the middle above the chain wheel 17 is higher than the middle-pressure washing pump pipe 4 to form a high-pressure washing pump pipe 2, the high-pressure washing pump pipe 2 is connected with a high-pressure pump body 3 arranged outside the rack 1, a water inlet 11 is formed in the water inlet end of the lower portion of the rack 1, a rear screen plate 12 is fixedly arranged on one side opposite to the water inlet 11, the rear screen plate 12 is fixedly connected with the rack 1, an outer brush 14 is fixedly arranged on the outer side of the rear screen plate 12, an inner brush 13 is fixedly arranged on the inner side of the rear screen plate 12, an outer cleaning brush 20 is arranged on the outer side of the lower portion of the partition.

Otter board 10 include grid board body 10.1, the top of grid board body 10.1 is adapter sleeve 10.2, the lower part of grid board body 10.1 is bent to the pivoted sieve separator inboard that separates, forms kink 10.5, the end of kink 10.5 is opened has rake teeth 10.4, one side that kink 10.5 deviates from the direction of buckling is provided with the connection boss, has seted up shoulder rod hole 10.3 on the connection boss.

The connecting sleeves 10.2 of the grating plate bodies 10.1 penetrate through the middle of the stepped rods 9, and the connecting bosses of the adjacent grating plate bodies 10.1 penetrate through the two sides of the stepped rods 9.

Two ends of the conveyor belt 7 are tensioned on conveying rollers 8 arranged outside the water inlet side and the water outlet side of the upper part of the frame 1.

During the application, water inlet 11 that sets up at the meeting water end of frame 1, sewage flows into in separating the sieve board through otter board 10 and back otter board 12 outflow by water inlet 11, the play water channel between separating sieve board and frame 1 joins with the play water channel of back otter board 12, the sediment in the sewage is filtered by otter board 10 and is collected in kink 10.5 department, along with driving motor 6 drives sprocket 17, sprocket 17 drives chain 21 and rotates, thereby drive and separate the sieve board and rotate, otter board 10 reachs the top of rubbish collector 18, the dirty sediment in otter board 10 falls into rubbish collector 18, and carry to the sediment groove 15 in by conveyer belt 7, interior cleaning brush 19 and the outer cleaning brush 20 that separate the rotatory in-process of sieve board clear up otter board 10 at any time, avoid blockking up the mesh.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. An adjustable back-washing internal inflow mesh plate grid is characterized by comprising a rack (1), a driving motor (6) and a chain wheel (17), wherein two sides, the top and the bottom of the rack (1) are provided with an integrated screen plate, the screen plate is formed by connecting chains (21) on two sides, a ladder rod (9) lapped between the two chains (21) and a plurality of mesh plates (10) penetrating through the ladder rod (9), meshes are uniformly distributed on the mesh plates (10), the top of the rack (1) is provided with the chain wheel (17) driving the chains (21) to rotate, a garbage collector (18) is arranged between the mesh plates (10) on two sides of the bottom of the chain wheel (17), the bottom of the garbage collector (18) is provided with a slag outlet, a conveying belt (7) is fixedly arranged below the slag outlet, one end of the conveying belt (7) extends out of the rack (1), and a slag collecting groove (15) is arranged below the extending end, the middle shaft of the chain wheel (17) is connected to a driving motor (6) fixed on the outer wall of the rack (1), medium-pressure washing pump pipes (4) are symmetrically arranged on two sides above the chain wheel (17), spray heads (5) facing the chain wheel (17) are uniformly distributed on the medium-pressure washing pump pipes (4), the medium-pressure washing pump pipes (4) are connected with a medium-pressure pump body (16) arranged outside the rack (1), a high-pressure washing pump pipe (2) is arranged at a position, higher than the medium-pressure washing pump pipes (4), of the center above the chain wheel (17), the high-pressure washing pump pipe (2) is connected with a high-pressure pump body (3) arranged outside the rack (1), a water inlet (11) is formed in the water inlet end of the lower part of the rack (1), a rear screen plate (12) is fixedly arranged on one side opposite to the water inlet (11), the rear screen plate (12) is fixedly connected with the rack (1), an outer brush, an inner brush (13) is fixedly arranged on the inner side of the rear screen plate (12), an outer cleaning brush (20) is arranged on the outer side of the lower part of the screen separation plate in a surrounding mode, and an inner cleaning brush (19) is arranged on the middle part of the screen separation plate close to the inner sides of the screen plates (10) on the two sides.

2. The adjustable backwashing internal inflow screen plate grid according to claim 1, wherein the screen plate (10) comprises a screen plate body (10.1), a connecting sleeve (10.2) is arranged at the top end of the screen plate body (10.1), the lower part of the screen plate body (10.1) is bent towards the inner side of the rotary screen plate to form a bent part (10.5), rake teeth (10.4) are arranged at the tail end of the bent part (10.5), a connecting boss is arranged at one side of the bent part (10.5) deviating from the bending direction, and a stepped rod hole (10.3) is arranged on the connecting boss.

3. The adjustable back flush inner inflow screen plate grid according to claim 2, wherein the connecting sleeves (10.2) of the grid plate bodies (10.1) are arranged in the middle of the stepped rods (9) in a penetrating manner, and the connecting bosses of the adjacent grid plate bodies (10.1) are arranged on two sides of the stepped rods (9) in a penetrating manner.

4. The adjustable backwash internal inflow screen plate grid according to claim 1, wherein both ends of the conveyor belt (7) are tensioned on conveyor rollers (8) arranged outside the water inlet and outlet sides of the upper part of the frame (1).