CN223980224U - A bar screen for wastewater treatment - Google Patents

Abstract

This utility model discloses a bar screen for sewage treatment, including a drainage ditch. A filtration mechanism for coarse filtration of sewage is provided at the upper end of the drainage ditch. The filtration mechanism includes a first mounting frame, a transmission rod, a fixed frame, filter chambers, a filter screen, and an inlet pipe. The first mounting frame is fixedly installed on one side of the upper end of the drainage ditch. A transmission rod is movably mounted on the upper end of the first mounting frame via a bearing. A fixed frame is fixedly installed at one end of the transmission rod. Several filter chambers are evenly fixed around the outer surface of the fixed frame, and filter screens are fixedly installed inside each filter chamber. This utility model has good performance, utilizing multiple rotatable screens to filter sewage separately. When a screen becomes clogged and needs cleaning or replacement, another screen can be used to replace it, thus not affecting the overall sewage treatment efficiency and improving the effectiveness of the device.

Description

Grille for sewage treatment

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a grid for sewage treatment.

Background

Sewage treatment, which is to purify sewage to meet the water quality requirement of being discharged into a certain water body or reused. The sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy sources, petrifaction, environmental protection, urban landscapes, medical treatment, catering and the like, and more of the fields enter daily life of common people, in the existing sewage treatment, sewage needs to be filtered by utilizing a grating, and when the grating for filtering the sewage is blocked, garbage with the right size is clamped on the surface of the grating in the prior art, the grating needs to be cleaned at the moment, and the whole equipment needs to be stopped for waiting for the grating cleaning during the cleaning, and the cleaning is troublesome, so that the grating for sewage treatment needs to be improved aiming at the problem.

Disclosure of utility model

The present utility model is directed to a grid for sewage treatment, which solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the grid for sewage treatment comprises a drainage ditch, wherein a filtering mechanism for roughly filtering sewage is arranged at the upper end of the drainage ditch, the filtering mechanism comprises a first mounting frame, a transmission rod, a fixed frame, a filtering bin, a filtering grid and a liquid inlet pipe, the first mounting frame is fixedly arranged on one side of the upper end of the drainage ditch, the transmission rod is movably arranged at the upper end of the first mounting frame through a bearing, the fixed frame is fixedly arranged at one end of the transmission rod, a plurality of filtering bins are uniformly and fixedly arranged on the periphery of the outer side surface of the fixed frame, the filtering grid is fixedly arranged in the filtering bin, and the liquid inlet pipe is arranged on one side of the fixed frame.

Preferably, the fixed flange that is provided with of feed liquor pipe one end can conveniently be connected feed liquor pipe and sewer line through flange, and the sewage can enter into the filter house through the feed liquor pipe and carry out the coarse filtration after the filter grid after later, and the sewage can enter into the escape canal and flow in order to enter into next treatment process.

Preferably, the inside upper end of fixed frame is provided with the blowdown groove, can conveniently discharge the impurity of gathering in filtering the inside automatic device outside in storehouse through the blowdown groove, along with filtering the rotation switching of storehouse and filter grid during the discharge, rotates the filter grid of device upper end and can drop in the blowdown inslot portion automatically under the effect of gravity, then makes impurity by the device outside along with the blowdown groove of slope.

Preferably, the baffle is all fixed to be provided with in the inside upper end both sides of filtration storehouse, can improve the angle of dropping of filtering the inside impurity of storehouse through the baffle, prevent to filter the inside impurity of storehouse just gliding drop and can't drop the blow off inslot portion of a little slope filtration storehouse when the storehouse rotates.

Preferably, the escape canal upper end is fixed in first mounting bracket one side and is provided with the second mounting bracket, second mounting bracket upper end is provided with the backing roll through the pivot activity, fixed frame outside fixed surface is provided with solid fixed ring, can further improve filter frame's stability through backing roll and solid fixed ring.

Preferably, the supporting roller is mutually attached to the outer side surface of the fixed ring.

Compared with the prior art, the utility model has the beneficial effects that:

1. The utility model can drive the whole fixed frame to rotate through the transmission rod, thereby switching the filter grids, so that the filter grids at the lowest end rotate to the side, the switching of the filter grids can be rapidly completed, the new grids are used for replacing the old grids to work, the treatment efficiency of the whole sewage system can not be influenced, and the using effect of the device can be improved.

2. When the filter screen device is used, the filter screen rotating to the upper end of the device automatically falls into the sewage draining groove under the action of gravity along with the rotation switching of the filter bin and the filter screen, and then impurities are discharged to the outer side of the device along with the inclined sewage draining groove, so that the impurities remained in the filter bin are more convenient to clean.

Drawings

FIG. 1 is a schematic view showing the overall structure of a grating for sewage treatment according to the present utility model;

FIG. 2 is a cross-sectional view of a grid for wastewater treatment according to the present utility model;

fig. 3 is a side view of a grid for sewage treatment according to the present utility model.

The device comprises a drainage ditch 1, a first mounting frame 2, a transmission rod 3, a fixed frame 4, a filtering bin 5, a filtering grid 6, a liquid inlet pipe 7, a connecting flange 8, a sewage draining groove 9, a baffle 10, a baffle 11, a second mounting frame 12, a supporting roller 13 and a fixing ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to figures 1-3, the utility model provides a technical scheme that the grid for sewage treatment comprises a drainage ditch 1, wherein a filtering mechanism for roughly filtering sewage is arranged at the upper end of the drainage ditch 1, the filtering mechanism comprises a first mounting frame 2, a transmission rod 3, a fixed frame 4, a filtering bin 5, a filtering grid 6 and a liquid inlet pipe 7, the first mounting frame 2 is fixedly arranged at one side of the upper end of the drainage ditch 1, the transmission rod 3 is movably arranged at the upper end of the first mounting frame 2 through a bearing, the fixed frame 4 is fixedly arranged at one end of the transmission rod 3, a plurality of filtering bins 5 are uniformly and fixedly arranged on the periphery of the outer side surface of the fixed frame 4, the filtering grid 6 is fixedly arranged in the filtering bin 5, and the liquid inlet pipe 7 is arranged at one side of the fixed frame 4.

One end of the liquid inlet pipe 7 is fixedly provided with a connecting flange 8, the liquid inlet pipe 7 and a sewage pipeline can be conveniently connected through the connecting flange 8, then sewage can enter the inside of the filtering bin 5 through the liquid inlet pipe 7 and is subjected to coarse filtration through the filtering grid 6, and the sewage can enter the drainage ditch 1 to flow so as to enter the next treatment process;

The upper end of the inside of the fixed frame 4 is provided with a drain tank 9, impurities collected in the filter bin 5 can be conveniently and automatically discharged to the outside of the device through the drain tank 9, the filter bin 5 and the filter grid 6 are switched along with rotation during discharging, the filter grid 6 rotating to the upper end of the device can automatically fall into the drain tank 9 under the action of gravity, and then the impurities are discharged to the outside of the device along with the inclined drain tank 9;

baffle plates 10 are fixedly arranged on two sides of the upper end inside the filter bin 5, the falling angle of impurities inside the filter bin 5 can be increased through the baffle plates 10, and the phenomenon that the impurities inside the filter bin 5 slide downwards and fall off to be unable to fall into the sewage draining groove 9 when the filter bin 5 rotates slightly is prevented;

The upper end of the drainage ditch 1 is fixedly provided with a second installation frame 11 at one side of the first installation frame 2, the upper end of the second installation frame 11 is movably provided with a supporting roller 12 through a rotating shaft, the outer side surface of the fixed frame 4 is fixedly provided with a fixed ring 13, and the stability of the filtering frame can be further improved through the supporting roller 12 and the fixed ring 13;

The supporting roller 12 is mutually attached to the outer side surface of the fixed ring.

The device is used, the transmission rod 3, the speed reducer and the motor are connected, the speed reducer can select a worm gear speed reducer, and then the motor is matched with the speed reducer to drive the transmission rod 3 and the whole fixed frame 4 to rotate so as to switch the filtering grating 6;

The liquid inlet pipe 7 is connected with a sewage pipeline through the connecting flange 8 during the filtration, sewage can enter the filtration bin 5 through the liquid inlet pipe 7 and is subjected to coarse filtration through the filtration grating 6, and the sewage can enter the drainage ditch 1 to flow so as to enter the next treatment process;

The filtering grille 6 at the lowest end of the device gradually blocks the interior of the filtering bin 5 to retain a large amount of impurities, even gaps of the filtering grille 6 are just clamped by the posts, the whole fixed frame 4 can be driven to rotate through the transmission rod 3 at the moment, so that the filtering grille 6 at the lowest end can be switched to the side face, the switching of the filtering grille 6 can be rapidly completed, the old grille is replaced by a new grille to work, the treatment efficiency of the whole sewage system is not influenced, and the using effect of the device can be improved;

And when the device is used, the filtering grids 6 which rotate to the upper end of the device automatically drop into the sewage draining groove 9 under the action of gravity along with the rotation switching of the filtering bin 5 and the filtering grids 6, and then impurities are discharged to the outer side of the device along with the inclined sewage draining groove 9, so that the impurities remained in the filtering bin 5 are more convenient to clean.

It is noted that 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. Moreover, 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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A grating for sewage treatment, includes escape canal (1), its characterized in that escape canal (1) upper end is provided with the filtering mechanism who is used for coarse filtration sewage, filtering mechanism includes first mounting bracket (2), transfer line (3), fixed frame (4), filtration storehouse (5), filtration grid (6), feed liquor pipe (7), fixed first mounting bracket (2) that are provided with in escape canal (1) upper end one side, first mounting bracket (2) upper end is provided with transfer line (3) through the bearing activity, transfer line (3) one end is fixed and is provided with fixed frame (4), evenly be provided with a plurality of filtration storehouse (5) around fixed frame (4) outside surface, filtration storehouse (5) inside fixed filtration grid (6) that are provided with, fixed frame (4) one side is provided with feed liquor pipe (7).

2. A grid for sewage treatment according to claim 1, characterized in that one end of the liquid inlet pipe (7) is fixedly provided with a connecting flange (8).

3. A grid for sewage treatment according to claim 1, characterized in that the upper end of the inside of the fixed frame (4) is provided with a drain tank (9).

4. A grid for sewage treatment according to claim 1, characterized in that baffles (10) are fixedly arranged on both sides of the upper end inside the filter bin (5).

5. The grid for sewage treatment according to claim 1, wherein a second mounting frame (11) is fixedly arranged at the upper end of the drainage ditch (1) on one side of the first mounting frame (2), a supporting roller (12) is movably arranged at the upper end of the second mounting frame (11) through a rotating shaft, and a fixing ring (13) is fixedly arranged on the outer side surface of the fixing frame (4).

6. A grid for sewage treatment according to claim 5, characterized in that said supporting roller (12) is in contact with the outer surface of the fixed ring (13).