CN216963789U

CN216963789U - Two-sided filter screen chain grating de-dirt machine

Info

Publication number: CN216963789U
Application number: CN202220664533.XU
Authority: CN
Inventors: 李春崇
Original assignee: Guangxi Guangyi Environmental Protection Technology Co ltd
Current assignee: Guangxi Guangyi Environmental Protection Technology Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-07-15
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses a double-sided filter screen chain grating cleaner, which comprises a rubbing plate, a first filter screen chain, a second filter screen chain, a first filter screen chain and a second filter screen chain, wherein the rubbing plate is arranged on one outer side of a rack and is welded and fixed on a screen chain; a driving shaft is mounted at the top end of the rack, two chain wheels are fixed at two ends of the driving shaft respectively, and one end of the driving shaft extends out of the center of each chain wheel and is connected with a driving mechanism; the inside of the rack is provided with a track which extends from the bottom of the rack to the top of the rack and can form a cycle, and the track is covered with the net chain sleeved with the chain wheel to form a double-sided filtering structure; the lower part of the chain wheel is provided with a net cleaning brush for cleaning the slag on the net chain, and a slag hopper is arranged below the net cleaning brush. The water flow of the utility model adopts external inlet and internal outlet, the net chain is tightly attached to the frame rail, the sealing is good, and no coarse solid garbage leaks; double-sided filtration, the filter capacity of the same area is doubled, and the filter is simple in structure, light in weight and convenient to maintain.

Description

Two-sided filter screen chain grating de-dirt machine

Technical Field

The utility model relates to the technical field of sewage grating dirt removers, in particular to a double-sided filter screen chain grating dirt remover.

Background

The grid dirt separator is a mechanical device for removing the grid slag trapped by the grid from the water surface. The grid sewage-removing machine includes various types, including a rotary grid sewage-removing machine, an arm type grid sewage-removing machine, a steel cable traction type grid sewage-removing machine, a rotary drum type grid sewage-removing machine, a sieve plate type grid sewage-removing machine, etc. The rotary grille decontamination machine is also called a rotary solid-liquid separator, is an advanced water treatment solid-liquid separation device, is mainly used for sewage pretreatment devices of urban sewage treatment plants, municipal rain sewage pump stations, cooling water of water plants and power plants and other water inlets, is also widely used for water treatment engineering of various industries such as textile, printing and dyeing, food, aquatic products, papermaking, slaughtering, leather making and the like, and is ideal solid-liquid separation equipment in the water treatment industry.

These different forms of grille-type cleaners are generally single-sided filtration, water enters from opposite sides and exits from the back, and both sides of the grille-type cleaner need to be sealed. The sewage contains a large amount of flocculent impurities which are easily attached to the rake teeth or clamped and squeezed in gaps among the rake teeth and cannot fall off automatically, the rake teeth can be clamped by the impurities to influence the normal operation of the equipment, and the impurities can also enter a subsequent sewage treatment process along with the falling of the rake teeth into the sewage behind the grating and enter the subsequent sewage treatment process through water flow, so that the subsequent sewage treatment equipment is wound, blocked and the like. For example: the slag discharging rate of the rotary rake tooth type dirt separator can only reach 60 percent under the common condition.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a double-sided filter screen chain grating cleaner, which solves the problems in the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a double-sided filter screen chain grating cleaner comprises a scraping plate, wherein the scraping plate is arranged on one outer side of a rack and is welded and fixed on a screen chain; the bottom of the rack is provided with a support, the top end of the rack is provided with a driving shaft, two ends of the driving shaft are respectively fixed with a chain wheel, one end of the driving shaft extends out of the center of the chain wheel and is connected with a driving mechanism, and the driving mechanism drives the driving shaft to rotate so as to drive the chain wheel to rotate; a track which extends from the bottom of the rack to the top of the rack and can form a cycle is arranged in the rack, the track is covered with the net chain sleeved with the chain wheel, and the chain wheel drives the net chain to circularly rotate along the track from the bottom to the top of the rack to form a double-sided filtering structure; the lower part of the chain wheel is provided with a net cleaning brush for cleaning the slag on the net chain, and a slag hopper is arranged below the net cleaning brush.

Further, in the technical scheme, the frame is formed by welding and combining angle steel or section steel.

Further, in the technical scheme, two side faces of the lower half part of the rack are provided with sealing plates to form a semi-sealing area;

one surface of the outer side of the rubbing plate is communicated with a sewage well water inlet of a sewage well, a water outlet of a grating machine is arranged in the sealing area, and the water outlet of the grating machine is connected and communicated with the sewage well water outlet of the sewage well.

Furthermore, in the technical scheme, the net cleaning brush and the slag hopper are detachably fixed on the rack.

Furthermore, in the technical scheme, the net cleaning brush and the slag bucket are fixed on the frame in a non-detachable mode.

Furthermore, in the technical scheme, the device further comprises a bearing beam arranged in the middle of the grid sewage disposal machine, the upper side of the bearing beam is fixedly connected with the rack, and two ends of the bearing beam are arranged on the ground.

Furthermore, in this technical solution, the driving mechanism is composed of a driving motor and a driving speed reducer, an output end of the driving motor is connected with an input end of the driving speed reducer, and an output end of the driving speed reducer is connected with one end of the driving shaft.

Furthermore, in the technical scheme, the driving mechanism is composed of a driving motor and a driving speed reducer, and the driving motor and the driving speed reducer are installed on the side face of the driving shaft or above the driving shaft.

Further, in this technical scheme, still include compressed air unloading pipe and compressed air nozzle, compressed air unloading pipe with the compressed air nozzle is installed the top of net chain net face department down.

The utility model has the beneficial effects that:

(1) in the utility model, a stainless steel wire net chain or a porous chain plate is adopted, the net surface is flat and smooth, no movable part is arranged, the size of the net hole can be changed according to the requirement, and solid garbage is easy to clean and thorough;

(2) the water flow of the double-sided filter screen chain grating dirt separator adopts external inlet and internal outlet, the screen chain is tightly attached to the frame rail, the sealing is good, and no coarse solid garbage leaks;

(3) the utility model is double-sided filtration, the filtration capacity of the same area is doubled, and the volume of the grating dirt separator is correspondingly reduced.

(4) The utility model has simple integral structure, light weight and convenient maintenance.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a side view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a position view of a compressed air discharging pipe of the present invention;

fig. 4 is a sectional view of a compressed air discharging pipe according to the present invention.

In the figure: 1-sewage well, 2-rubbing board, 3-frame, 4-chain wheel, 5-driving shaft, 6-net cleaning brush, 7-slag bucket, 8-bearing beam, 9-water outlet of grid machine, 10-sealing plate, 11-bottom bracket, 12-sewage well water inlet, 13-net chain, 14-driving speed reducer, 15-driving motor, 16-sewage well water outlet, 17-compressed air unloading pipe and 18-compressed air nozzle.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Example 1

As shown in fig. 1-2, the double-sided filter screen chain grating cleaner of the utility model comprises a bracket 2, the bracket 2 is arranged at one outer side of a frame 3 and is welded, installed and fixed on a screen chain 13; the bottom of the rack 3 is provided with a bracket 11, the top end of the rack 3 is provided with a driving shaft 5, two ends of the driving shaft 5 are respectively fixed with a chain wheel 4, wherein one end of the driving shaft 5 extends out of the center of the chain wheel 4 and is connected with a driving mechanism, and the driving shaft 5 is driven by the driving mechanism to rotate so as to drive the chain wheel 4 to rotate; the inside of frame 3 is provided with and extends to the top of frame 3 and can form endless track (not drawn in the figure) from the bottom of frame 3, and the track coats and is stamped the net chain 13 that cup joints with sprocket 4, and sprocket 4 drives net chain 13 and follows the bottom of frame 3 to the top circulation gyration along the track, forms two-sided filtration. The below setting of sprocket 4 is installed and is cleaned net brush 6 that the slag charge cleaned on the net chain 13, clear net brush 6 concrete mounted position according to the needs of engineering choose for use suitable position installation can, its quantity and size also can carry out the adaptation according to the specification of net chain 13 and select, simultaneously for convenient slag charge (sediment) and the discarded object that clear net brush 6 cleared away out, the below of clear net brush 6 is provided with sediment fill 7, when clear net brush 6 clears away the sediment on the net chain 13, so that the sediment falls in the sediment fill 7.

Preferably, in the present embodiment, the frame 3 is formed by welding and combining angle steels or other section steels.

Preferably, in this embodiment, the mesh chain 13 is a stainless steel mesh chain or a perforated chain plate.

Preferably, in this embodiment, two side faces of the lower half of the frame 3 are provided with sealing plates 10 for sealing the lower half of the grid machine to form a semi-sealing area; one surface of the outer side of the rubbing plate 2 of the grating machine is communicated with a sewage well water inlet 12 of the sewage well 1, a grating machine water outlet 9 is arranged in the sealing area, and the grating machine water outlet 9 is connected and communicated with a sewage well water outlet 16 of the sewage well 1, so that the grating machine forms an external inlet and internal outlet action structure, the filtered water is prevented from being mixed with the unfiltered sewage, and the filtering effect is ensured.

Preferably, in this embodiment, the mesh cleaning brush 6 and the slag bucket 7 are detachably fixed to the frame 3, or may be non-detachably fixed to the frame 3.

Preferably, in this embodiment, a bearing beam 8 is disposed in the middle of the grille (the grille cleaner in this embodiment), the upper side of the bearing beam 8 is fixedly connected to the frame 3, and both ends of the bearing beam 8 are mounted on the ground for supporting the frame 3 and other mechanism components, thereby ensuring stable operation of the grille.

Preferably, in this embodiment, the driving mechanism is composed of a driving motor 15 and a driving reducer 14, specifically, an output end of the driving motor 15 is connected to an input end of the driving reducer 14, and an output end of the driving reducer 14 is connected to one end of the driving shaft 5, so as to form the linkage rotation.

Preferably, in the present embodiment, the driving mechanism is installed on the side of the driving shaft 5 (as shown in fig. 1) by the driving motor 15 and the driving reducer 14, or installed above the driving shaft 5, and the output shaft of the driving reducer 14 and the driving shaft 5 are installed with sprockets and are connected and driven by chains to form linkage rotation.

The working principle of the embodiment is as follows:

sewage enters the sewage well 1 from the water inlet 12, flows to the two sides of the filtering surface of the net chain 13, then enters the inner cavity of the grating machine from the meshes of the net surfaces 13 on the two sides, and enters the water outlet 16 of the sewage well from the water outlet 9 arranged on the side surface of the grating machine after being filtered, and flows to the next procedure, in the process, larger slag can be carried and remained on the rubbing board 2, and fine slag is carried and remained and attached to the net chain 13. Along with the rotation of net chain 13, big and small sediment is promoted to the grid machine top, when rotating the net face down, big and small sediment falls into in the sediment fill 7 under gravity and the effect of net-cleaning brush 6, is carried away by the car, from this, realizes that the net face is constantly clean to be renewed, continuous running state.

Example 2

Embodiment 2 is shown in fig. 3, a compressed air discharging pipe 17 and a compressed air discharging pipe 18 (shown in fig. 4) are added on the basis of embodiment 1, and the installation position is selected to be above the downward part of the wire side of the wire chain 13, so that large and small slag on the wire side can be conveniently blown back into the slag hopper 7 by compressed air.

In conclusion, the utility model provides the double-sided filter screen chain grating dirt separator, a stainless steel wire screen chain or a porous chain plate is adopted, the screen surface is smooth and clean, no movable part is arranged, the screen holes can be large or small, and solid garbage is easy to clean and thorough; the water flow adopts external inlet and internal outlet, the net chain is tightly attached to the frame rail, the sealing is good, and no coarse solid garbage leaks; the double-sided filtration, the filter capacity of the same area is doubled, the volume of the grid cleaner is correspondingly reduced, and the grid cleaner is simple in structure, light in weight and convenient to maintain.

The foregoing shows and describes the general principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The double-sided filter screen chain grating cleaner is characterized by comprising a scraping plate, wherein the scraping plate is arranged on one outer side of a rack and is welded and fixed on a screen chain;

the bottom of the rack is provided with a support, the top end of the rack is provided with a driving shaft, two ends of the driving shaft are respectively fixed with a chain wheel, one end of the driving shaft extends out of the center of the chain wheel and is connected with a driving mechanism, and the driving mechanism drives the driving shaft to rotate so as to drive the chain wheel to rotate;

the inside of the rack is provided with a track which extends from the bottom of the rack to the top of the rack and can form a circulation, the track is covered with the net chain sleeved with the chain wheel, and the chain wheel drives the net chain to circularly rotate along the track from the bottom to the top of the rack to form a double-sided filtering structure;

sealing plates are arranged on two side faces of the lower half part of the rack to form a semi-sealing area;

one surface of the outer side of the rubbing plate is communicated with a sewage well water inlet of a sewage well, a water outlet of a grating machine is arranged in the sealing area, and the water outlet of the grating machine is connected and communicated with the sewage well water outlet of the sewage well;

the lower part of the chain wheel is provided with a net cleaning brush for cleaning the slag on the net chain, and a slag hopper is arranged below the net cleaning brush.

2. The double-sided screen chain grate cleaner of claim 1 wherein the frame is constructed of a welded combination of angle steel or section steel.

3. The double-sided screen chain grate cleaner of claim 1 wherein the screen brush and the slag hopper are removably secured to the frame.

4. The double-sided screen chain grate cleaner of claim 1 wherein the screen brush and the slag hopper are non-removably secured to the frame.

5. The double-sided filter screen chain grating cleaner as recited in claim 1, further comprising a bearing beam disposed in the middle of the grating cleaner, wherein an upper side of the bearing beam is fixedly connected to the frame, and both ends of the bearing beam are installed on the ground.

6. The double-sided filter screen chain grating de-dirt machine of claim 1, wherein the driving mechanism is composed of a driving motor and a driving speed reducer, an output end of the driving motor is connected with an input end of the driving speed reducer, and an output end of the driving speed reducer is connected with one end of the driving shaft.

7. The double-sided filter screen chain grid cleaner of claim 1, wherein the driving mechanism is composed of a driving motor and a driving reducer, the driving motor and the driving reducer are installed at the side of the driving shaft or above the driving shaft.

8. The double-sided screen chain grate cleaner of claim 1 further comprising a compressed air discharge pipe and compressed air nozzles, said compressed air discharge pipe and said compressed air nozzles being mounted above said downwardly facing portion of the screen chain mesh.