A sludge dewatering device for water supply and drainage

The heating chamber and fan design accelerate water evaporation, and the combination of cutting blades and grid separation significantly reduces the risk of mud clogging, simplifies the operation process, and improves sludge dewatering efficiency and the convenience of secondary utilization.

CN224280057UActive Publication Date: 2026-05-26ANHUI TONGYUAN ENVIRONMENT ENERGY SAVING CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI TONGYUAN ENVIRONMENT ENERGY SAVING CO LTD
Filing Date
2025-06-27
Publication Date
2026-05-26

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Abstract

This utility model discloses a sludge dewatering device for water supply and drainage, comprising a housing, an internal heating chamber, a square groove on the inner wall of the heating chamber, a bellows connected to the inner wall of the square groove by bolts, a placement cavity on the inner wall of the bellows, a slot on the inner wall of the placement cavity, a card plate slidably connected to the inner wall of the slot, a mesh on the inner wall of the card plate, a fan on one side of the card plate, a filter screen on one side of the fan, a heating wire on the other side of the card plate, a porous filter plate on one side of the heating wire, a sliding groove on the inner wall of the housing, a slider slidably connected to the sliding groove, and a drawer connected to the surface of the slider by bolts. This sludge dewatering device for water supply and drainage, through the cooperation of the fan and other structures, facilitates better recycling of sludge; furthermore, through the cooperation of the circulating pump and other structures, it facilitates better cutting, processing, and mixing of sludge.
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Description

Technical Field

[0001] This utility model relates to the field of drainage technology, specifically to a sludge dewatering device for water supply and drainage. Background Technology

[0002] Sludge dewatering refers to a sludge treatment method that removes water from fluid raw, concentrated, or digested sludge and transforms it into semi-solid or solid sludge blocks. Therefore, a sludge dewatering device for water supply and drainage is required.

[0003] Existing technology, patent document CN213803457U, discloses a sludge dewatering device for water supply and drainage engineering, relating to the field of drainage engineering technology. The device includes a separation box, with an inlet on one side of the upper surface and a suction port on the other side. A motor is fixedly connected to the center of the upper surface of the separation box, and a rotating column is fixedly connected to the bottom of the motor. A stirring blade is fixedly connected to the surface of the rotating column. This sludge dewatering device for water supply and drainage engineering, through the cooperation of a motor and a vibrating motor, allows the rotating column to drive the stirring blade to rotate when the motor is turned on, stirring the sludge-water mixture and breaking down the sludge, effectively resulting in purer sludge dewatering. When the vibrating motor is turned on, it vibrates the sludge-water mixture, causing the sludge to settle and solidify, making sludge dewatering more convenient and faster.

[0004] Although the device has many beneficial effects, it still has the following problems: During the process of collecting mud blocks, the pump removes excess water, but the water source may still contain mud residue, which can easily clog the pumping pipe. Secondly, it is difficult to uniformly decompose mud of different sizes using only a single stirring device. The mud blocks need to be mixed with water and then stirred a second time, which is a rather cumbersome operation. Utility Model Content

[0005] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0006] 1. Technical problems to be solved:

[0007] To address the problems of easy clogging by soil residue and the cumbersome secondary mixing process mentioned above, this utility model is proposed.

[0008] Therefore, the purpose of this utility model is to provide a sludge dewatering device for water supply and drainage, which aims to solve the problem of easy clogging by mud residue as much as possible and to make the secondary mixing operation process simpler.

[0009] 2. Technical Solution:

[0010] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0011] A sludge dewatering device for water supply and drainage includes a housing. A heating chamber is formed inside the housing. A square groove is formed on the inner wall of the heating chamber. A bellows is bolted to the inner wall of the square groove. A placement cavity is formed on the inner wall of the bellows. A slot is formed on the inner wall of the placement cavity. A clamping plate is slidably connected to the inner wall of the slot. A mesh is formed on the inner wall of the clamping plate. A fan is mounted on one side of the clamping plate, and a filter screen is mounted on one side of the fan. A heating wire is mounted on the other side of the clamping plate, and a porous filter plate is mounted on one side of the heating wire. The inner wall of the housing... The system includes a slidable chute with a slider connected to it. A drawer is bolted to the surface of the slider, and the drawer has an internal groove. A separation mesh is bolted to the top of the groove. Drainage outlets are provided in both the groove and the inner wall of the housing. The filter mesh design reduces the possibility of external dust entering the fan. The porous filter plate design facilitates the passage of the separation mesh and allows for better coordination with hot air, thus accelerating the evaporation of moisture. Placing the treated sludge on top reduces the possibility of clogging the drain outlets.

[0012] As a preferred embodiment of the sludge dewatering device for water supply and drainage of this utility model, the inside of the box body is provided with a stirring chamber, the inner wall of the stirring chamber is connected to a partition by bolts, the inner wall of the partition is connected to a grid by bolts, the inner wall of the heating chamber is provided with a recovery chamber, the recovery chamber and the surface of the box body are both provided with circular grooves, the inner wall of the circular groove is connected to a recovery pipe by a flange, and a circulation pump is sleeved on the outer circumference of the recovery pipe.

[0013] As a preferred embodiment of the sludge dewatering device for water supply and drainage of this utility model, the top of the box is connected to a motor by bolts, the output shaft of the motor is inserted into a lead screw, and a collar is sleeved on the outer circumference of the lead screw. There are multiple collars distributed at equal intervals, and the outer circumference of the collar is connected to a cutting blade and a stirring plate by bolts.

[0014] In a preferred embodiment of the sludge dewatering device for water supply and drainage according to this utility model, there are multiple air boxes, which are symmetrically distributed.

[0015] As a preferred embodiment of the sludge dewatering device for water supply and drainage of this utility model, the top of the box body is provided with a feed inlet and the side of the box body is provided with an observation window.

[0016] 3. Beneficial effects:

[0017] Compared with existing technologies,

[0018] This sludge dewatering device for water supply and drainage drives a blower to allow air to pass through the heating wires inside the placement chamber. This allows the high-temperature air to circulate in opposite directions inside the heating chamber, which helps to raise the temperature inside the heating chamber and evaporate the moisture in the stirred sludge. This facilitates the collection of the treated sludge and residual moisture, thus enabling better secondary recycling to a certain extent.

[0019] This sludge dewatering device for water supply and drainage uses a sloped baffle structure design to facilitate the absorption of larger sludge blocks by a circulating pump through a recovery pipe, and then reintroducing them into the mixing chamber for secondary mixing. The design of the cutting blade and mixing plate facilitates better cutting and mixing of the sludge blocks, thereby reducing their volume so that they can pass through the grid for subsequent operations. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0021] Figure 1 This is a schematic diagram of the overall structure of a sludge dewatering device for water supply and drainage according to the present invention;

[0022] Figure 2 This is a schematic cross-sectional view of the overall structure of a sludge dewatering device for water supply and drainage according to this utility model;

[0023] Figure 3 This utility model relates to a sludge dewatering device for water supply and drainage. Figure 2 A schematic diagram of the structure of section A in the middle;

[0024] Figure 4 This is an exploded view of the bellows structure of a sludge dewatering device for water supply and drainage according to this utility model.

[0025] The following are the labels in the diagram: 1. Box body; 2. Observation window; 3. Feed inlet; 4. Mixing chamber; 5. Motor; 6. Lead screw; 7. Collar; 8. Mixing plate; 9. Sliding knife; 10. Recovery chamber; 11. Circular groove; 12. Recovery pipe; 13. Circulation pump; 14. Grid; 15. Baffle; 16. Heating chamber; 17. Air box; 18. Square groove; 19. Filter screen; 20. Slot; 21. Slot plate; 22. Fan; 23. Placement chamber; 24. Slot plate; 25. Heating wire; 26. Slide groove; 27. Drawer; 28. Sliding block; 29. ​​Groove; 30. Separation screen; 31. Porous filter plate; 32. Drain outlet. Detailed Implementation

[0026] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0027] This utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not be construed as limiting the scope of protection of this utility model. In actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0028] The orientation or positional relationship indicated in the terminology is based on the orientation or positional relationship shown in the accompanying drawings and is only for the convenience of describing the present invention and simplifying the description. It is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0029] The term "connection method" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] The embodiments of this utility model will now be described in further detail with reference to the accompanying drawings.

[0031] This utility model provides an overall structural schematic diagram of an embodiment of a sludge dewatering device for water supply and drainage, including:

[0032] Please see Figures 1-4 This utility model provides a technical solution:

[0033] A sludge dewatering device for water supply and drainage includes a housing 1. A heating chamber 16 is provided inside the housing 1. A square groove 18 is formed on the inner wall of the heating chamber 16. A bellows 17 is bolted to the inner wall of the square groove 18. A placement cavity 23 is formed on the inner wall of the bellows 17. A slot 20 is formed on the inner wall of the placement cavity 23. A clamping plate 21 is slidably connected to the inner wall of the slot 20. A mesh 24 is formed on the inner wall of the clamping plate 21. A fan 22 is provided on one side of the clamping plate 21. The structural design of the slot 20 and the clamping plate 21 facilitates the removal of the mesh 24 for cleaning, maintaining the recycling effect. A filter screen 19 is provided on one side of the fan 22. A heating wire 25 is provided on the other side of the clamping plate 21. A porous filter plate 31 is provided on one side of the heating wire 25. A sliding groove 26 is formed on the inner wall of the housing 1, and a slider is slidably connected to the sliding groove 26. 28. A drawer 27 is bolted to the surface of the slider 28. The structural design of the slider 28 and the slide 26 makes it easy for the staff to stably remove the drawer 27 to process the sludge. The drawer 27 has a groove 29 inside. A separation net 30 is bolted to the top of the groove 29. Drainage outlets 32 are provided on both the groove 29 and the inner wall of the box 1. By driving the fan 22, the air source can pass through the heating wire 25 inside the placement cavity 23, so that the high-temperature air can circulate inside the heating cavity 16. This facilitates the increase of the temperature inside the heating cavity 16, which helps to evaporate the water in the stirred sludge. This facilitates the collection of the processed sludge and residual water, thus making it more conducive to secondary recycling to a certain extent.

[0034] It is worth noting that, in order to perform secondary mixing inside the mixing chamber 4, the mixing chamber 4 is specifically provided inside the housing 1. The inner wall of the mixing chamber 4 is connected to a partition 15 by bolts, and the inner wall of the partition 15 is connected to a grid 14 by bolts. The inner wall of the heating chamber 16 is provided with a recovery chamber 10. Both the recovery chamber 10 and the surface of the housing 1 are provided with circular grooves 11. The inner wall of the circular groove 11 is connected to a recovery pipe 12 by a flange. The outer circumference of the recovery pipe 12 is fitted with a circulation pump 13. Through the sloping partition 15, it is easy to have large pieces of sludge adsorbed by the circulation pump 13 through the recovery pipe 12 and put back into the mixing chamber 4 for secondary mixing.

[0035] Next, in order to reduce the volume of the sludge blocks, a motor 5 is bolted to the top of the housing 1. The output shaft of the motor 5 is inserted into a lead screw 6. A collar 7 is fixed to the outer circumference of the lead screw 6. There are multiple collars 7 distributed at equal intervals. A cutting blade 9 and a stirring plate 8 are bolted to the outer circumference of the collars 7. The structural design of the cutting blade 9 and the stirring plate 8 facilitates the cutting and stirring of the sludge blocks, thereby reducing the volume of the sludge blocks so that they can pass through the grid 14 for subsequent operations.

[0036] Meanwhile, in order to better maintain the temperature inside the heating chamber 16, there are multiple air boxes 17, which are symmetrically distributed. The symmetrical air box 17 design makes it easier for the air force to form opposing airflows inside the heating chamber 16, which helps to better maintain the temperature inside the heating chamber 16.

[0037] Finally, in order to better observe the specific state of the sludge processed by the device, a feed inlet 3 is provided on the top of the box 1, and an observation window 2 is provided on one side of the box 1. The structural design of the observation window 2 makes it easier for the staff to observe the specific state of the sludge processed by the device.

[0038] In addition, the circuits, electronic components and modules involved in this utility model are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the internal structure and method.

[0039] The device or equipment models mentioned in this article may be as follows:

[0040] Motor: Y802-4;

[0041] Heating wire: Cr20Ni 80;

[0042] Circulation pump: M3RX120-9D.

[0043] Combination Figures 1-4 The specific usage process of the sludge dewatering device for water supply and drainage according to this embodiment is as follows:

[0044] 1: When using this sludge dewatering device for water supply and drainage, the operator moves the device to a suitable position, pours the material to be processed into the feed inlet 3, and observes the processing status inside the device through the observation window 2.

[0045] 2: When the device needs to collect the treated sludge blocks better, the operator can drive the motor 5, so that the lead screw 6 drives the collar 7 to rotate, thereby facilitating the mixing plate 8 and the cutting blade 9 to cut and mix the sludge in the mixing chamber 4. Through the inclined baffle 15 and the grid 14, the larger sludge blocks can flow into the interior of the recovery chamber 10. The operator can drive the circulation pump 13 to allow the sludge to pass through the inner wall of the circular trough 11 and enter the interior of the mixing chamber 4 again through the flange-connected recovery pipe 12 for mixing. The smaller sludge blocks will pass through the filter screen 19 and enter the interior of the heating chamber 16 for further processing.

[0046] 3: When the device needs to treat sludge effectively, after the sludge enters the heating chamber 16, the operator can drive the fan 22 connected by bolts inside the air box 17 and connect the power to the heating wire. This allows air to pass through the mesh 24 and heating wire 25 inside the placement chamber 23 before entering the heating chamber 16. The porous filter plate 31 facilitates accelerated water evaporation, resulting in a counter-current airflow pattern. This facilitates better heating of the air inside the heating chamber 16, thus facilitating better evaporation of moisture inside the sludge. The sludge then falls into the drawer 27, i.e., the top of the separation mesh 30. Excess water can also be discharged from the drain outlets 32 opened at the bottom of the drawer 27 and the box 1.

[0047] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A sludge dewatering device for water supply and drainage, characterized in that, The device includes a housing (1), inside which a heating chamber (16) is provided. A square groove (18) is provided on the inner wall of the heating chamber (16). A bellows (17) is bolted to the inner wall of the square groove (18). A placement cavity (23) is provided on the inner wall of the bellows (17). A slot (20) is provided on the inner wall of the placement cavity (23). A card plate (21) is slidably connected to the inner wall of the slot (20). A mesh (24) is provided on the inner wall of the card plate (21). A fan (22) is provided on one side of the card plate (21). A fan (22) is provided on one side of the fan (22). There is a filter screen (19), and a heating wire (25) is provided on the other side of the card plate (21). A porous filter plate (31) is provided on one side of the heating wire (25). A sliding groove (26) is provided on the inner wall of the box (1). A slider (28) is slidably connected to the sliding groove (26). A drawer (27) is bolted to the surface of the slider (28). A groove (29) is provided inside the drawer (27). A separation net (30) is bolted to the top of the groove (29). Drainage outlets (32) are provided on both the groove (29) and the inner wall of the box (1).

2. The sludge dewatering device for water supply and drainage according to claim 1, characterized in that, The interior of the box (1) is provided with a stirring chamber (4). The inner wall of the stirring chamber (4) is connected with a partition (15) by bolts. The inner wall of the partition (15) is connected with a grid (14) by bolts. The inner wall of the heating chamber (16) is provided with a recovery chamber (10). The recovery chamber (10) and the surface of the box (1) are both provided with circular grooves (11). The inner wall of the circular groove (11) is connected with a recovery pipe (12) by a flange. The outer circumference of the recovery pipe (12) is fitted with a circulation pump (13).

3. The sludge dewatering device for water supply and drainage according to claim 1, characterized in that, The top of the box (1) is connected to a motor (5) by bolts. The output shaft of the motor (5) is inserted into a lead screw (6). A collar (7) is sleeved on the outer circumference of the lead screw (6). There are multiple collars (7) distributed at equal intervals. A cutting blade (9) and a stirring plate (8) are respectively connected to the outer circumference of the collar (7) by bolts.

4. The sludge dewatering device for water supply and drainage according to claim 1, characterized in that, There are multiple bellows (17), and the bellows (17) are symmetrically distributed.

5. The sludge dewatering device for water supply and drainage according to claim 1, characterized in that, The top of the box (1) is provided with a feed inlet (3), and the side of the box (1) is provided with an observation window (2).