CN218989056U

CN218989056U - Sludge dewatering device for sewage treatment

Info

Publication number: CN218989056U
Application number: CN202223008001.XU
Authority: CN
Inventors: 李露芸
Original assignee: Environmental Engineering Co Ltd
Current assignee: Environmental Engineering Co Ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-05-09
Anticipated expiration: 2032-11-11

Abstract

The utility model provides a sludge dewatering device for sewage treatment, which relates to the technical field of sewage treatment and comprises a bottom plate, wherein a water collecting tank is fixedly arranged at the top of the bottom plate, a water removing tank is fixedly arranged at the top of the water collecting tank, a filter screen is arranged at the top of the water collecting tank, a first air cylinder is arranged at one side of the water removing tank, a water squeezing push plate is fixedly connected with the output end of the first air cylinder, a mud adding hopper is arranged at the top of the water removing tank, a forming box is fixedly arranged at one side of the bottom plate, a top frame is connected with the inner wall of the forming box, a spring is fixedly connected with one end of the spring, a separating plate is fixedly connected with the top of the bottom plate, and a counter-squeezing plate is fixedly arranged at the output end of the second air cylinder. The utility model has the advantages that: the device makes the dewatering box seal through supporting the roof-rack to the squeeze board be difficult to directly send into the shaping case with mud, and compression dehydration effect is better.

Description

Sludge dewatering device for sewage treatment

Technical Field

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

Background

Sludge dewatering is a sludge treatment method for removing water from raw, concentrated or digested sludge in a fluid state and converting the sludge into semisolid or solid sludge blocks. After dewatering, the water content of the sludge can be reduced to fifty-five percent to eighty percent, depending on the nature of the sludge and the efficiency of the dewatering equipment. Further dehydration of the sludge is called sludge drying, and the water content of the dried sludge is lower than ten percent. The dehydration method mainly comprises a natural drying method, a mechanical dehydration method and a granulation method.

A sludge dewatering device for sewage treatment disclosed in chinese patent CN216764676U, which is characterized in that a sewage temporary storage tank is provided in the interior of the sewage tank, and a drainage grid is provided at the bottom end of the top plate. This a sludge dewatering device for sewage treatment has solved current sludge dewatering device dehydration speed slower, also can not compact mud, inconvenient follow-up treatment's problem, however, this a sludge dewatering device for sewage treatment, when solving the problem, has following shortcoming:

the output shaft of the driving motor is connected with a screw rod in a transmission way, the sludge dewatering tank is connected with the sludge storage tank through a pipeline, and the device can directly send sludge into the sludge storage tank when the screw rod rotates, so that the compression dewatering effect is poor.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an object of the present utility model is to provide a sludge dewatering device for sewage treatment, which solves the problems mentioned in the background art and overcomes the shortcomings of the prior art.

In order to achieve the above object, an embodiment of an aspect of the present utility model provides a sludge dewatering device for sewage treatment, including a bottom plate, a water collection tank is fixedly installed at the top of the bottom plate, a water removal tank is fixedly installed at the top of the water collection tank, a filter screen is provided at the top of the water collection tank, a first cylinder is provided at one side of the water removal tank, a water squeezing push plate is fixedly connected to an output end of the first cylinder, a mud adding hopper is provided at the top of the water removal tank, a forming box is fixedly installed at one side of the bottom plate, a top frame is connected to an inner wall of the forming box, a spring is fixedly connected to an inner wall of the forming box, a separation plate is fixedly connected to one end of the spring, a second cylinder is fixedly installed at the top of the bottom plate, and a counter-squeezing plate is fixedly installed at an output end of the second cylinder.

It is preferable from any of the above schemes that the filter screen communicates the water removal tank with the water collection tank, and that the filter screen facilitates filtering out water from the sludge.

By any of the above schemes, it is preferable that the squeezing push plate is slidably connected with the inner wall of the water removal tank, and the squeezing push plate is convenient for squeezing the sludge with water.

By any of the above-mentioned schemes, it is preferable that the water removal tank is communicated with the inside of the forming tank through a top frame, and the top frame facilitates water removal by the water removal tank.

It is preferable in any of the above-described aspects that the pair of squeeze plates is slidably connected to the inside of the molding box, the pair of squeeze plates facilitating briquetting of the dried sludge.

It is preferable in any of the above-described aspects that the separation plate is slidably connected to the forming box and the top frame, respectively, and that the separation plate facilitates removal of the dried sludge cake.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. the device is closed by propping the squeezing plate against the top frame, is difficult to directly send the sludge into the forming box, and has good compression dehydration effect.

2. After the cement is dehydrated through the water removal box, the second cylinder is started to enable the opposite extrusion plate to be far away from the top frame, the first cylinder is started to discharge the sludge with the water removed into the forming box through the top frame, the second cylinder is started again, the opposite extrusion plate is enabled to extrude the dried sludge to the separation plate to form blocks, the opposite extrusion plate separation plate is moved to push out the sludge blocks through the elasticity of the springs, adhesion of the sludge blocks to the inner wall of the forming box is relieved, and the sludge blocks are taken out conveniently.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of a first embodiment of the present utility model;

FIG. 2 is a schematic diagram of a cross-sectional structure in accordance with a first embodiment of the present utility model;

fig. 3 is a schematic top view of a first embodiment of the present utility model.

Wherein: 1. the device comprises a bottom plate, 2, a water collecting tank, 3, a water removing tank, 4, a filter screen, 5, a first cylinder, 6, a water squeezing push plate, 7, a mud adding hopper, 8, a forming box, 9, a top frame, 10, springs, 11, a separating plate, 12, a second cylinder, 13 and a opposite squeezing plate.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 according to the specific circumstances.

Embodiment one:

as shown in fig. 1-3, a sludge dewatering device for sewage treatment in this embodiment includes a bottom plate 1, a water collecting tank 2 is fixedly installed at the top of the bottom plate 1, a water removal tank 3 is fixedly installed at the top of the water collecting tank 2, a filter screen 4 is arranged at the top of the water collecting tank 2, moisture in sludge is extruded out of the filter screen 4, a first air cylinder 5 is arranged at one side of the water removal tank 3, a water extrusion push plate 6 is fixedly connected to the output end of the first air cylinder 5, the first air cylinder 5 is started to enable the water extrusion push plate 6 to extrude sludge, a second air cylinder 12 is started to enable a counter-extrusion plate 13 to be far away from a top frame 9, the first air cylinder 5 is started to discharge the sludge with the moisture removed into a forming tank 8 through the top frame 9, a mud adding hopper 7 is arranged at the top of the water removal tank 3, a forming tank 8 is fixedly installed at one side of the bottom plate 1, the top of the forming tank 8 is connected with the top frame 9, a spring 10 is fixedly connected to the inner wall of the forming tank 8, a separation plate 11 is fixedly connected to one end of the spring 10, a second air cylinder 12 is fixedly installed at the top of the bottom plate 1, the second air cylinder 12 is started to enable the second counter-extrusion plate 12 to be fixedly installed at one side of the second air cylinder 12 to compress the counter-extrusion plate 13 to the second air cylinder 13, and the second counter-extrusion plate 13 is fixedly installed to enable the second air cylinder 13 to be pressed to be opposite to the top frame 13.

The filter screen 4 is communicated with the water removing tank 3 and the water collecting tank 2, and the filter screen 4 is a fine screen.

The squeezing push plate 6 is in sliding connection with the inner wall of the dewatering box 3, and the dewatering box 3 is obliquely arranged, so that the height of one side of the mud adding bucket 7 is higher.

The dewatering box 3 is communicated with the inside of the forming box 8 through a top frame 9, a through hole is formed in the top frame 9, and the size of the through hole is the same as the size of an outlet of the dewatering box 3.

The opposite extrusion plate 13 is in sliding connection with the inside of the forming box 8, and the forming box 13 is convenient for briquetting sludge.

The separating plate 11 is respectively connected with the forming box 8 and the top frame 9 in a sliding way, and the separating plate 11 is sleeved outside the top frame 9.

The working principle of the sludge dewatering device for sewage treatment in this embodiment is as follows:

pouring the sludge containing water into the dewatering box 3 through the mud adding hopper 7, starting the second cylinder 12 to block the opposite extrusion plate 13 on one side of the top frame 9, starting the first cylinder 5 to enable the extrusion push plate 6 to extrude the sludge, enabling the water in the sludge to be extruded out of the filter screen 4, enabling the opposite extrusion plate 13 to be far away from the top frame 9 after the cement passes through the dewatering box 3 to remove water, starting the second cylinder 12 to enable the first cylinder 5 to discharge the sludge with the water removed into the forming box 8 through the top frame 9, starting the second cylinder 12 again, enabling the opposite extrusion plate 13 to extrude the dried sludge to the separation plate 11 to form a block, moving the opposite extrusion plate 13 to push the sludge block out through the elasticity of the spring 10, and relieving adhesion of the sludge block to the inner wall of the forming box 8 to facilitate taking out the sludge block.

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

1. the device is characterized in that sludge containing water is poured into the dewatering box 3 through the mud adding hopper 7, the second cylinder 12 is started to block the opposite squeezing plate 13 on one side of the top frame 9, the first cylinder 5 is started to enable the squeezing push plate 6 to squeeze the sludge, the water in the sludge is squeezed out of the filter screen 4, the dewatering box 3 is closed by the opposite squeezing plate 13 against the top frame 9, the sludge is not easy to directly send into the forming box 8, and the compression dewatering effect is good.

2. After the cement is dehydrated through the water removal tank 3, the second air cylinder 12 is started to enable the opposite extrusion plate 13 to be far away from the top frame 9, the first air cylinder 5 is started to discharge the sludge with the water removed into the forming box 8 through the top frame 9, the second air cylinder 12 is started again, the opposite extrusion plate 13 is enabled to extrude the dried sludge to the separating plate 11 to be compressed into blocks, the separating plate 11 of the opposite extrusion plate 13 is moved to push out the sludge blocks through the elasticity of the spring 10, adhesion of the sludge blocks to the inner wall of the forming box 8 is relieved, and the sludge blocks are convenient to take out.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be readily understood by those skilled in the art that the present utility model, including any combination of parts described in the summary and detailed description of the utility model above and shown in the drawings, is limited in scope and does not constitute a complete description of the various aspects of these combinations for the sake of brevity. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A sludge dewatering device for sewage treatment, its characterized in that includes bottom plate (1), the top fixed mounting of bottom plate (1) has header tank (2), the top fixed mounting of header tank (2) has water removal tank (3), the top of header tank (2) is provided with filter screen (4), one side of water removal tank (3) is provided with first cylinder (5), the output fixedly connected with crowded water push pedal (6) of first cylinder (5), the top of water removal tank (3) has mud bucket (7), one side fixed mounting of bottom plate (1) has shaping case (8), the inner wall connection of shaping case (8) has roof-rack (9), the inner wall fixedly connected with spring (10) of shaping case (8), the one end fixedly connected with splitter plate (11) of spring (10), the top fixedly mounted of bottom plate (1) has second cylinder (12), the output fixedly mounted of second cylinder (12) has to crowded board (13).

2. A sludge dewatering device for sewage treatment according to claim 1, characterized in that the filter screen (4) communicates the water removal tank (3) with the water collection tank (2).

3. A sludge dewatering device for sewage treatment according to claim 1, characterized in that the wringing push plate (6) is slidingly connected with the inner wall of the dewatering box (3).

4. A sludge dewatering device for sewage treatment according to claim 1, characterized in that the dewatering box (3) communicates with the interior of the forming box (8) through a top frame (9).

5. A sludge dewatering device for sewage treatment according to claim 1, characterized in that the counter-extrusion plate (13) is slidingly connected to the inside of the forming box (8).

6. A sludge dewatering device for sewage treatment according to claim 1, characterized in that the separating plate (11) is slidingly connected to the forming box (8) and the top frame (9), respectively.