CN212334929U

CN212334929U - Sewage treatment membrane bioreactor with pretreatment solid-liquid separation device

Info

Publication number: CN212334929U
Application number: CN202020480873.8U
Authority: CN
Inventors: 林攀圣
Original assignee: Inner Mongolia East Water Technology Co ltd
Current assignee: Inner Mongolia East Water Technology Co ltd
Priority date: 2020-04-05
Filing date: 2020-04-05
Publication date: 2021-01-12
Anticipated expiration: 2030-04-05

Abstract

The utility model relates to a sewage treatment device technical field specifically is a sewage treatment membrane bioreactor with preliminary treatment solid-liquid separation equipment, which comprises a tank body, the inlet has been seted up in the left side of the jar body, the bottom fixed mounting of the jar body has the fluid-discharge tube, the internal portion of jar is provided with separator, separator includes L type sliding seat and lead screw, lead screw one end is driven rotatoryly by drive arrangement, the other end of lead screw stretch into jar internal and with L type sliding seat threaded connection, the left side of L type sliding seat is provided with the baffle, the right side of L type sliding seat is provided with row's solid mouth, the one end that the external wall of jar is close to row's solid mouth is provided with the mounting panel, be equipped with the collecting vat on the mounting. The device can discharge the accumulated silt on the surface of the filter screen through the solid discharging port, and the normal filtering effect of the device is also kept, so that the device has strong practicability.

Description

Sewage treatment membrane bioreactor with pretreatment solid-liquid separation device

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to a sewage treatment membrane bioreactor with a pretreatment solid-liquid separation device.

Background

In the field of sewage treatment, the membrane bioreactor has the characteristics of good water quality, small occupied area, high automation degree and the like, and is used in large quantities, but the membrane bioreactor has higher requirement on water inlet and cannot contain more sand, fiber and other larger solid substances, and because gravel substances can scratch a filter layer on the surface of membrane filaments under the aeration condition, fiber substances can be wound on the membrane filaments to cause the sludge accumulation on the surface of the membrane filaments, a pretreatment unit is required at the front end of the membrane bioreactor.

The pretreatment unit in the prior art passes through the grating in a self-flowing mode, the pressure difference between the front and the back of the grating cannot be too high, a compact filter cake layer is difficult to form on a filter screen of the grating, the precise filtering effect is achieved, however, after the membrane bioreactor runs for a long time, sand accumulation of the filter cake layer is serious, a plurality of fiber substances are wound on the surface of the filter screen, the problems of mud accumulation and the like are caused, the membrane bioreactor needs to be cleaned at regular time, and the maintenance is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sewage treatment membrane bioreactor with a pretreatment solid-liquid separation device, which solves the problems in the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: sewage treatment membrane bioreactor with preliminary treatment solid-liquid separation equipment, which comprises a tank body, the inlet has been seted up in the left side of the jar body, the bottom fixed mounting of the jar body has the fluid-discharge tube, and internal portion of jar is provided with separator, separator includes L type sliding seat and lead screw, lead screw one end is driven rotatoryly by drive arrangement, the other end of lead screw stretches into jar internal and with L type sliding seat threaded connection, the left side of L type sliding seat is provided with the baffle, and the right side of L type sliding seat is provided with row's solid mouth, the one end that the external wall of jar is close to row's solid mouth is provided with the mounting panel, be equipped with the collecting vat on the mounting panel, the collecting vat communicates with row.

Preferably, L type sliding seat, baffle, row solid mouthful all set up the slope form of the same angle, the left side and the top of L type sliding seat all are equipped with the filter screen, baffle one end and filter screen laminating, baffle other end fixed connection is on jar body lateral wall.

Preferably, the outer side of collecting vat is stretched out and is set up outer edge, and the mounting panel has seted up the draw-in groove near the one end on outer edge, fixed mounting has the arc dog in the draw-in groove, the collecting vat is provided with the locating piece that inserts in the draw-in groove, the internal face butt of locating piece and arc dog.

Preferably, trapezoidal chutes are formed in two sides of the L-shaped movable seat, and guide posts inserted with the trapezoidal chutes are fixedly arranged on the inner wall of the tank body.

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

1. the stop block and the positioning block are matched for use, so that the collecting tank and the tank body can be quickly mounted or dismounted, and the sludge can be conveniently and timely cleaned; the guide post and the trapezoidal sliding groove are matched for use, so that the guide and limiting effects can be achieved, and the problems of offset and the like caused in the up-and-down moving process of the L-shaped movable seat are avoided;

2. the utility model discloses novel structure, easy operation uses through setting up the baffle and the cooperation of separator, can form the filter chamber with the left filter screen of L type sliding seat, when L type sliding seat reciprocates, can enough discharge the accumulational silt of filter screen surface through discharging solid mouthful, also keeps the normal filter effect of device, has very strong practicality.

Drawings

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

FIG. 2 is a view of the present invention;

FIG. 3 is a schematic view of the L-shaped movable seat of the present invention;

fig. 4 is an enlarged schematic view of the area a in fig. 1.

In the figure: the device comprises a tank body 1, a liquid inlet 101, a liquid discharge pipe 102, a solid discharge port 103, a partition plate 2, an L-shaped movable seat 3, a trapezoidal sliding groove 301, a screw rod 4, a collecting groove 5, a mounting plate 6, a clamping groove 601, a stop block 7, a positioning block 8, a filter screen 9 and a guide column 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: sewage treatment membrane bioreactor with preliminary treatment solid-liquid separation equipment, which comprises a tank body 1, inlet 101 has been seted up in the left side of the jar body 1, the bottom fixed mounting of the jar body 1 has fluid-discharge tube 102, the internal portion of jar is provided with separator, separator includes L type sliding seat 3 and lead screw 4, 4 one end of lead screw are driven by drive arrangement and are rotated, this drive arrangement includes the motor, the motor adopts positive and negative motor, can drive lead screw 4 positive and negative rotation, the other end of lead screw 4 stretches into jar internal 1 and with L type sliding seat 3 threaded connection, the left side of L type sliding seat 3 is provided with baffle 2, the right side of L type sliding seat 3 is provided with row solid mouthful 103, the one end that the external wall of jar body 1 is close to row solid mouthful 103 is provided with mounting panel 6, be equipped with collecting vat 5 on the mounting panel 6.

As shown in fig. 1 and 2, the L-shaped movable seat 3, the partition plate 2, and the row fixing port 103 all have the same angle, the left side and the top of the L-shaped movable seat 3 are both provided with the filter screen 9, one end of the partition plate 2 is attached to the filter screen 9, and the other end of the partition plate 2 is fixedly connected to the side wall of the tank body 1. Through setting up baffle 2, can form the filter chamber with the left filter screen of L type sliding seat 3, when L type sliding seat 3 reciprocated, the one side can be discharged the accumulational silt in filter screen 9 surface through discharging solid mouthful 103, and on the other hand keeps the normal filter effect of device.

As shown in fig. 1 and 4, the outer edge is protruded from the outer side of the collecting tank 5, the clamping groove 601 is formed in one end, close to the outer edge, of the mounting plate 6, the arc-shaped stop dog 7 is fixedly mounted in the clamping groove 601, the collecting tank 5 is provided with the positioning block 8 inserted into the clamping groove 601, and the positioning block 8 abuts against the inner wall surface of the arc-shaped stop dog 7. Through setting up

dog

7 and 8 cooperation uses of locating piece, can install collecting vat 5 and jar body 1 fast or dismantle to be convenient for clear up silt in time.

As shown in fig. 2 and 3, trapezoidal sliding grooves 301 are formed in both sides of the L-shaped movable seat 3, and a guide post 10 inserted with the trapezoidal sliding grooves 301 is fixedly disposed on the inner wall of the tank 1. Through setting up guide post 10 and trapezoidal spout 301 cooperation use, can play the spacing effect of direction to avoid L type sliding seat 3 to cause the skew scheduling problem to take place reciprocating the in-process.

The working principle is as follows: at first sewage gets into jar body 1 through inlet 101 in, and filter through filter screen 9, liquid in the sewage flows into jar body 1's bottom and discharges through fluid-discharge tube 102, and silt in the sewage is attached to the surface of filter screen 9, this in-process, lead screw 4 rotates under drive arrangement's drive, thereby make L type sliding seat 3 reciprocate along jar body 1, because L type sliding seat 3, baffle 2, arrange solid mouthful 103 and all set up the slope form of the same angle, when the up end of L type sliding seat 3 was leveled with row solid mouthful 103, partial silt can be because the slope passes through row solid mouthful 103 and gets into in the collecting vat 5, thereby in solid-liquid separation, can also in time clear up the filthy mud on filter screen 9 surface.

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

Claims

1. Sewage treatment membrane bioreactor with preliminary treatment solid-liquid separation equipment, including jar body (1), its characterized in that: inlet (101) have been seted up in the left side of the jar body (1), the bottom fixed mounting of the jar body (1) has fluid-discharge tube (102), the inside separator that is provided with of the jar body (1), separator includes L type sliding seat (3) and lead screw (4), lead screw (4) one end is driven rotatoryly by drive arrangement, the other end of lead screw (4) stretch into the jar body (1) in and with L type sliding seat (3) threaded connection, the left side of L type sliding seat (3) is provided with baffle (2), the right side of L type sliding seat (3) is provided with row solid mouthful (103), the one end that the outer wall of the jar body (1) is close to row solid mouthful (103) is provided with mounting panel (6), be equipped with collecting vat (5) on mounting panel (6), collecting vat (5) and row solid mouthful intercommunication.

2. The membrane bioreactor for sewage treatment with pretreatment solid-liquid separation device according to claim 1, wherein: l type sliding seat (3), baffle (2), row solid mouthful (103) all set up the slope form of the same angle, the left side and the top of L type sliding seat (3) all are equipped with filter screen (9), baffle (2) one end is laminated with filter screen (9), baffle (2) other end fixed connection is on jar body (1) lateral wall.

3. The membrane bioreactor for sewage treatment with pretreatment solid-liquid separation device according to claim 1, wherein: the outer side of the collecting tank (5) is protruded to form an outer edge, a clamping groove (601) is formed in one end, close to the outer edge, of the mounting plate (6), an arc-shaped stop block (7) is fixedly mounted in the clamping groove (601), the collecting tank (5) is provided with a positioning block (8) inserted into the clamping groove (601), and the positioning block (8) is abutted to the inner wall face of the arc-shaped stop block (7).

4. The membrane bioreactor for sewage treatment with pretreatment solid-liquid separation device according to claim 1, wherein: trapezoidal spout (301) have all been seted up to the both sides of L type sliding seat (3), fixed setting is inserted guide post (10) that are equipped with trapezoidal spout (301) on the inner wall of the jar body (1).