CN219595963U

CN219595963U - Papermaking wastewater filtering device

Info

Publication number: CN219595963U
Application number: CN202320395640.1U
Authority: CN
Inventors: 李文斌
Original assignee: Jiangsu Lee and Man Paper Manufacturing Co Ltd
Current assignee: Jiangsu Lee and Man Paper Manufacturing Co Ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-08-29
Anticipated expiration: 2033-03-06

Abstract

The utility model discloses a papermaking wastewater filtering device in the technical field of wastewater filtering, and aims to solve the problems that in the prior art, the filtering device is usually required to take out, clean or replace the whole filter screen, the work of taking out and fixing the filter screen is complicated, and the working efficiency of the device is affected. The cleaning device comprises a box body and a top cover, wherein the box body is matched with the top cover, a filter screen and a rotating mechanism are arranged in the box body, a fixed block which is in sliding connection with the rotating mechanism is arranged above the filter screen, a cleaning mechanism is detachably connected to the fixed block, a through groove is formed in one side of the cleaning mechanism, and a movable door is detachably connected in the through groove; the utility model is suitable for filtering papermaking wastewater, the collecting box is driven to rotate by the rotating mechanism, the collecting box scrapes off impurities at the top of the filter screen and collects the impurities, when the filter screen needs to be cleaned, the whole filter screen does not need to be taken out, and only the collecting box needs to be replaced, so that the cleaning work of the filter screen is simplified, and the working efficiency of the device is ensured.

Description

Papermaking wastewater filtering device

Technical Field

The utility model relates to a papermaking wastewater filtering device, and belongs to the technical field of wastewater filtering.

Background

In the working process of paper making in paper mill, a large amount of waste water can be produced, in the processes of deslagging, pulp washing and rinsing of raw materials, a large amount of waste water rich in wood fibers and other impurities can be produced, the paper making waste water has complex components, high pollutant concentration, wide fluctuation range and poor biodegradability because of the specificity of paper making raw materials and production processes, and if the waste water is directly discharged, serious environmental pollution is necessarily caused, and the wood fibers contained in the waste water are discharged, so that the waste water is a waste of resources. Therefore, a filtering device is usually arranged in a paper mill to intercept and collect the solid waste in the wastewater, the commonly used filtering device is a filter screen, the solid waste is intercepted layer by arranging the filter screens with different mesh numbers, and finally the remained water is simply treated to meet the requirement of environmental protection emission.

The existing papermaking wastewater filtering device works for a long time, fibers and impurities in wastewater can be accumulated on a filter screen, the whole filter screen is usually required to be taken out for cleaning or replacement, and the work of taking out and fixing the filter screen is complicated, so that the working efficiency of the device is affected.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a papermaking wastewater filtering device, which solves the problems that the whole filter screen is usually required to be taken out, cleaned or replaced, the work of taking out and fixing the filter screen is complicated, and the working efficiency of the device is affected.

In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:

the utility model provides a papermaking wastewater filtering device, which comprises a box body and a top cover, wherein the box body is matched with the top cover, a filter screen and a rotating mechanism are arranged in the box body, a fixed block which is in sliding connection with the rotating mechanism is arranged above the filter screen, a cleaning mechanism is detachably connected to the fixed block, a through groove is formed in one side of the cleaning mechanism of the box body, and a movable door is detachably connected in the through groove;

the utility model discloses a filter screen cleaning device, including fixed block, rotary mechanism, baffle, box, filter screen, cleaning mechanism, baffle, be equipped with on the rotary mechanism be used for driving the electric telescopic handle that the fixed block goes up and down, cleaning mechanism include with the collection box that the fixed block can be dismantled and be connected, rotate on the collection box and be connected with the baffle, the baffle is used for right the collection box seals work, be equipped with sliding connection's push rod in the collection box, push rod one end extends to the collection box below, works as the box with during the filter screen contact, the push rod can promote the baffle rotates, the box can be right the filter screen is cleared up and is worked.

Further, the rotating mechanism comprises a motor arranged in the box body, a rotating shaft is arranged on an output shaft sleeve of the motor, and one end of the rotating shaft extends to the upper part of the filter screen.

Further, the inner wall of the box body is provided with an annular block below the through groove, and the annular block is used for limiting the filter screen.

Further, the push rod is L-shaped.

Further, the two ends of the push rod are respectively provided with a ball which is rotationally connected.

Further, the rotating shaft is provided with a connecting rod above the filter screen, and one end of the connecting rod is provided with a scraping plate for cleaning the inner wall of the box body.

Furthermore, a water inlet is formed in the top cover, and a filter box is arranged on one side of the water inlet on the top cover.

Further, a cleaning brush is arranged on one side, away from the baffle, of the outer wall of the collecting box.

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

1. according to the papermaking wastewater filtering device, through the cooperation of the collecting box, the rotating mechanism, the electric telescopic rod and the baffle, when the filter screen needs to be cleaned, the electric telescopic rod pushes the collecting box to be in contact with the filter screen, the rotating mechanism drives the collecting box to rotate, the collecting box scrapes impurities on the top of the filter screen and collects the impurities, after the cleaning work is completed, the collecting box is restored to the original position, the baffle seals the impurities, so that the impurities collected in the collecting box are prevented from being washed down by the wastewater, and the working stability of the device is ensured; after the collecting box works for a long time, the collecting box can be detached and taken out through the through groove to be cleaned;

2. when the rotating shaft rotates, the connecting rod and the scraping plate move along with the rotating shaft, so that the inner wall of the box body is cleaned, dirt is prevented from accumulating on the inner wall of the box body for a long time, and the practicability of the device is ensured;

3. the utility model is provided with the filter tank, waste water enters the inside of the tank body through the water inlet, and the filter tank performs preliminary filtering work on oversized impurities in the waste water, so that the working effect of the filter screen is ensured.

Drawings

FIG. 1 is a schematic cross-sectional front view of a papermaking wastewater filter device according to an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a schematic side cross-sectional view of a collection box provided in accordance with an embodiment of the present utility model.

In the figure: 1. a case; 2. a filter screen; 3. a fixed block; 4. an electric telescopic rod; 5. a collection box; 6. a through groove; 7. a movable door; 8. a top cover; 9. a baffle; 10. a push rod; 11. a motor; 12. a rotating shaft; 13. an annular block; 14. a connecting rod; 15. a scraper; 16. a cleaning brush; 17. a filter box.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

As shown in fig. 1-3, the utility model provides a papermaking wastewater filtering device, which comprises a box body 1 and a top cover 8, wherein the box body 1 is matched with the top cover 8, a filter screen 2 and a rotating mechanism are arranged in the box body 1, a fixed block 3 which is in sliding connection with the rotating mechanism is arranged above the filter screen 2, a cleaning mechanism is detachably connected to the fixed block 3, a through groove 6 is formed in one side of the cleaning mechanism of the box body 1, and a movable door 7 is detachably connected in the through groove 6; be equipped with on the slewing mechanism and be used for driving the electric telescopic handle 4 that fixed block 3 goes up and down, clearance mechanism include with fixed block 3 can dismantle the collection box 5 of connection, it is connected with baffle 9 to rotate on the collection box 5, baffle 9 is used for right collection box 5 carries out sealing work, be equipped with sliding connection's push rod 10 in the collection box 5, push rod 10 one end extends to collection box 5 below, works as box 1 with when filter screen 2 contacts, push rod 10 can promote baffle 9 rotates, box 1 can be right filter screen 2 carries out the clearance work.

Specifically, when the device works, papermaking wastewater enters the inside of the box body 1 through one side of the top cover 8, then the wastewater is filtered through the filter screen 2, when the device works for a period of time and excessive impurities are accumulated on the filter screen 2 and need to be cleaned or replaced, the electric telescopic rod 4 starts to work, the fixed block 3 is driven to move towards the filter screen 2, the collecting box 5 moves along with the fixed block 3 until the bottom of the collecting box 5 contacts with the filter screen 2, when the collecting box 5 moves downwards, the push rod 10 firstly contacts with the filter screen 2, when the collecting box 5 moves downwards to contact with the filter screen 2, the push rod 10 slides relatively with the collecting box 5, one end of the push rod 10 away from the filter screen 2 contacts with the baffle 9 and pushes the baffle 9 to rotate, so that the baffle 9 does not seal the collecting box 5 any more, then the rotating mechanism starts to work, the electric telescopic rod 4, the fixed block 3 and the collecting box 5 are driven to rotate, the rotating direction is that the collecting box 5 is close to one side of the baffle plate 9, when the collecting box 5 rotates on the filter screen 2, impurities at the top of the filter screen 2 are scraped, the scraped impurities are pressed into the collecting box 5 to perform collecting work, so that the surface of the filter screen 2 is cleaned, after the cleaning work is finished, the electric telescopic rod 4 drives the collecting box 5 to ascend to restore to the original position, the baffle plate 9 is restored to the original position due to the action of gravity, the collecting box 5 is sealed again, the impurities collected in the collecting box 5 are prevented from being washed out when waste water flows, when the collecting box 5 works for a long time, the movable door 7 is detached, the collecting box 5 and the fixed block 3 are detached, and the collecting box 5 is taken out from the through groove 6 to be cleaned, the cleaning work of the filter screen 2 is completed.

According to the utility model, through the cooperation of the collecting box 5, the rotating mechanism, the electric telescopic rod 4 and the baffle plate 9, when the filter screen 2 needs to be cleaned, the electric telescopic rod 4 pushes the collecting box 5 to be in contact with the filter screen 2, the rotating mechanism drives the collecting box 5 to rotate, the collecting box 5 scrapes off impurities at the top of the filter screen 2 and collects the impurities, after the cleaning work is completed, the collecting box 5 is restored to the original position, the baffle plate 9 seals the impurities, so that the impurities collected in the collecting box 5 are prevented from being washed down by waste water, and the working stability of the device is ensured; after the collecting box 5 works for a long time, the collecting box 5 can be detached and taken out through the through groove 6 to be cleaned, and the filter screen 2 is cleaned through the collecting box 5.

In one embodiment, the rotating mechanism comprises a motor 11 arranged in the box body 1, a rotating shaft 12 is arranged on an output shaft sleeve of the motor 11, and one end of the rotating shaft 12 extends to above the filter screen 2.

Specifically, when the fixed block 3 and the collecting box 5 are required to be driven to rotate, the motor 11 starts to work, so that the rotating shaft 12 is driven to rotate, and the fixed block 3 is slidably connected with the rotating shaft 12 and moves along with the rotating shaft 12.

An embodiment, box 1 inner wall in lead to groove 6 below and be equipped with annular piece 13, annular piece 13 is used for right filter screen 2 plays spacing effect, when needs carry out the installation work to filter screen 2, with filter screen 2 card in the inboard of annular piece 13 to avoid the position of filter screen 2 to appear the skew, and make filter screen 2 be convenient for carry out the dismouting.

In one embodiment, the push rod 10 is L-shaped, two ends of the push rod 10 are provided with balls connected in a rotating way, when the collecting box 5 rotates on the surface of the filter screen 2, the push rod 10 moves along with the collecting box 5, and the balls replace the push rod 10 to contact with the filter screen 2, so that the push rod 10 is prevented from damaging the filter screen 2; similarly, the balls are used for replacing the push rod 10 to contact with the baffle plate 9, so that the push rod 10 is prevented from damaging the baffle plate 9.

In one embodiment, the rotating shaft 12 is provided with a connecting rod 14 above the filter screen 2, and one end of the connecting rod 14 is provided with a scraper 15 for cleaning the inner wall of the box 1.

When in use, when the rotating shaft 12 rotates, the connecting rod 14 and the scraping plate 15 move along with the rotating shaft, so that the inner wall of the box body 1 is cleaned, dirt is prevented from being accumulated on the inner wall of the box body 1 for a long time, and the practicability of the device is ensured.

In one embodiment, the top cover 8 is provided with a water inlet, and the top cover 8 is provided with a filter box 17 at one side of the water inlet; the outer wall of the collecting box 5 is provided with a cleaning brush 16 at one side far away from the baffle plate 9.

Specifically, the waste water enters the box body 1 through the water inlet, the filter tank 17 performs preliminary filtering operation on excessive impurities in the waste water, the working effect of the filter screen 2 is guaranteed, and meanwhile, the filter tank 17 has a certain flow dividing effect on the waste water, so that the waste water can uniformly flow to the top of the filter screen 2; when the collecting box 5 rotates, the cleaning brush 16 moves along with the collecting box 5, the cleaning brush 16 contacts with the top of the filter screen 2 to brush the surface of the filter screen 2, so that the filter screen 2 is prevented from being blocked, the practicability of the device is ensured, the water outlet is arranged at the bottom of the box body 1, and filtered wastewater flows out through the water outlet.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. The papermaking wastewater filtering device is characterized by comprising a box body (1) and a top cover (8), wherein the box body (1) is matched with the top cover (8), a filter screen (2) and a rotating mechanism are arranged in the box body (1), a fixed block (3) which is in sliding connection is arranged above the filter screen (2) on the rotating mechanism, a cleaning mechanism is detachably connected on the fixed block (3), a through groove (6) is formed in one side of the cleaning mechanism in the box body (1), and a movable door (7) is detachably connected in the through groove (6);

be equipped with on the slewing mechanism and be used for driving electric telescopic handle (4) that fixed block (3) goes up and down, clearance mechanism include with collection box (5) that fixed block (3) can dismantle the connection, it is connected with baffle (9) to rotate on collection box (5), baffle (9) are used for right collection box (5) carry out sealing work, be equipped with sliding connection's push rod (10) in collection box (5), push rod (10) one end extends to collection box (5) below, works as box (1) with when filter screen (2) contact, push rod (10) can promote baffle (9) rotate, box (1) can be right filter screen (2) clear up the work.

2. A papermaking wastewater filtering device according to claim 1, characterized in that the rotating mechanism comprises a motor (11) arranged in the box body (1), a rotating shaft (12) is arranged on an output shaft sleeve of the motor (11), and one end of the rotating shaft (12) extends to the upper part of the filter screen (2).

3. The papermaking wastewater filtering device according to claim 1, wherein an annular block (13) is arranged below the through groove (6) on the inner wall of the box body (1), and the annular block (13) is used for limiting the filter screen (2).

4. A papermaking wastewater filter device according to claim 1, characterised in that the push rod (10) is L-shaped.

5. A papermaking wastewater filtering device according to claim 4, characterized in that both ends of the push rod (10) are provided with balls which are rotatably connected.

6. A papermaking wastewater filtering device according to claim 2, characterized in that the rotating shaft (12) is provided with a connecting rod (14) above the filter screen (2), and one end of the connecting rod (14) is provided with a scraping plate (15) for cleaning the inner wall of the box body (1).

7. A papermaking wastewater filtering device according to claim 1, characterized in that the top cover (8) is provided with a water inlet, and the top cover (8) is provided with a filter box (17) at one side of the water inlet.

8. A papermaking wastewater filtering device according to claim 1, characterized in that a cleaning brush (16) is arranged on the side of the outer wall of the collecting box (5) away from the baffle plate (9).