CN212293275U

CN212293275U - Sludge dewatering device

Info

Publication number: CN212293275U
Application number: CN202020803927.XU
Authority: CN
Inventors: 不公告发明人
Original assignee: Tianjin Yuchuan Jinhong Environmental Protection Technology Co ltd
Current assignee: Tianjin Yuchuan Jinhong Environmental Protection Technology Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-01-05
Anticipated expiration: 2030-05-14

Abstract

The utility model provides a sludge dewatering device, which comprises a first dewatering chamber; a water tank is communicated and arranged below the first dewatering chamber; one side of the first dehydration chamber is communicated with a second dehydration chamber; a drying chamber is communicated below the second dehydration chamber; a sludge box is communicated and arranged below the drying chamber; a mud inlet hopper is arranged at the upper part of the first dehydration chamber; a conical filter cylinder is arranged in the first dewatering chamber; the conical filter cylinder is internally provided with a packing auger; one end of the conical filter cylinder is provided with an arc-shaped guide filter plate; the bottom of the second dewatering chamber is provided with an opening communicated with the drying chamber; a secondary filter plate is arranged in the water tank; the upper part of the second dewatering chamber is provided with a pressing plate component; the inner wall of the top of the drying chamber is provided with a baffle plate and a fan; the lower part of the drying chamber is provided with a transmission mechanism; the lower part of the drying chamber is obliquely provided with a mud guide plate. Sludge dewatering device, simple structure, convenient operation, sludge dewatering are effectual.

Description

Sludge dewatering device

Technical Field

The utility model belongs to the technical field of sludge treatment, especially, relate to a sludge dewatering device.

Background

At present, with the continuous development of urbanization in China and the continuous enlargement of the urbanization scale in rural areas, a large amount of sludge is generated by urban sewage plants every day, the sludge has the main characteristics of high water content (up to more than 99 percent), high organic matter content, easy decomposition and odor generation, and the sludge can cause great load to the surrounding environment, so the sludge needs to be reasonably treated and disposed. Sludge dewatering is a sludge treatment method for removing water from fluid primary, concentrated or digested sludge and converting the sludge into semi-solid or solid sludge blocks, and the sludge dewatering is a very important link in the sludge treatment process. At present, the existing sludge dewatering device can only dewater once when sludge dewatering is carried out, and the dewatering effect is poor.

Disclosure of Invention

In view of this, the present invention provides a sludge dewatering device with simple structure and capable of realizing multi-stage dewatering, so as to overcome the disadvantages of the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a sludge dewatering device comprises a first dewatering chamber; a water tank is communicated and arranged below the first dewatering chamber; one side of the first dehydration chamber is communicated with a second dehydration chamber; a drying chamber is communicated below the second dehydration chamber; a sludge box is communicated and arranged below the drying chamber;

a mud inlet hopper is arranged at the upper part of the first dehydration chamber; a separating conical plate is arranged in the mud feeding hopper; a conical filter cylinder is arranged in the first dewatering chamber, and a plurality of through holes for water to flow out are distributed on the surface of the conical filter cylinder; the conical filter cylinder is internally provided with a packing auger; one end of the conical filter cylinder is provided with an opening communicated with the second dewatering chamber, the upper part of the opening is provided with a blocking plate, and the lower part of the opening is provided with an arc-shaped guide filter plate; one side of the bottom of the second dewatering chamber, which is close to the arc-shaped guide filter plate, is provided with an opening communicated with the drying chamber; a secondary filter plate is arranged in the water tank; the upper part of the second dewatering chamber is provided with a pressing plate component; a baffle and a fan are arranged on the inner wall of the top of the drying chamber; the baffle is vertically arranged and is positioned on the left side of the fan; the lower part of the drying chamber is provided with a transmission mechanism; the lower part of the drying chamber is obliquely provided with a mud guide plate.

Further, the auger comprises a first motor, an output shaft of the first motor is fixedly connected with a rotating shaft, and a spiral stirring paddle is spirally arranged on the rotating shaft.

Further, the pressing plate assembly comprises a second motor fixedly arranged at the top of the second dewatering chamber; the output shaft of the second motor is fixedly connected with a push rod; the lower end of the push rod is fixedly provided with a pressing plate; the pressing plate is arranged on the inner wall of the second dehydration chamber in a sliding manner; the pressing plate is obliquely arranged, and the lower end of the pressing plate is close to one side of the first dewatering chamber; the upper end of the pressing plate is provided with a filter screen.

Furthermore, when the lower end of the pressing plate is in the limit stroke, the lower end of the pressing plate is lower than the lower end of the blocking plate.

Furthermore, a mud pump is arranged at the opening of the second dewatering chamber communicated with the drying chamber, a mud pumping end of the mud pump is connected with a mud pumping pipe, and a mud inlet end of the mud pumping pipe is close to the right side wall of the second dewatering chamber.

Further, the transmission mechanism comprises a first belt pulley and a second belt pulley, and a transmission belt is connected between the first belt pulley and the second belt pulley; the first belt pulley or the second belt pulley is driven to rotate by the motor.

Furthermore, the upper end of the mud guide plate is positioned at the right lower part of the second belt pulley.

Further, a water outlet is formed in the lower portion of the water tank; and a sludge outlet is formed in the lower part of the sludge tank.

Compared with the prior art, the sludge dewatering device has the following advantages:

(1) the utility model discloses be provided with two dehydration rooms and a drying chamber, the auger in the first dehydration room can carry out the first dehydration to mud, and clamp plate assembly in the second dehydration room can carry out the second dehydration to mud, and the fan in the drying chamber can further air-dry mud, the utility model discloses simple structure, convenient operation, sludge dewatering are effectual.

(2) The utility model is provided with a separating conical plate in the mud inlet hopper for separating the sludge, which is convenient for the sludge to enter the mud inlet hopper uniformly;

(3) the utility model is provided with a conical filter cylinder in the first dehydration chamber, the surface of the conical filter cylinder is distributed with a plurality of through holes for water to flow out, the conical design is convenient for the sludge to be extruded in the stirring and transporting process to realize dehydration, and the water can flow out through the through holes on the conical filter cylinder;

(4) the utility model is provided with the arc-shaped guide filter plate, which is convenient for leading water generated in the dehydration process into the water tank and mud into the second dehydration chamber;

(5) the utility model is provided with the secondary filter plate in the water tank, which can further filter the water and improve the water quality of the water in the water tank;

(6) the utility model discloses be provided with the baffle in the drying chamber, can scrape mud and level, the fan of being convenient for evenly air-dries mud.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of the sludge dewatering device of the present invention.

Description of reference numerals:

100-a first dewatering chamber; 101-a mud bucket; 1011-a separation cone plate; 102-a conical filter cartridge; 103-auger; 1031-a first motor; 1032-a shaft; 1033-helical paddles; 104-arc guide filter plate; 200-a water tank; 201-secondary filter plate; 202-water outlet; 300-a second dewatering chamber; 301-a second motor; 302-a push rod; 303-pressing plate; 3031-filtering net; 304-a mud pump; 3041-a mud pumping pipe; 305-a barrier plate; 400-a drying chamber; 401-a baffle; 402-a fan; 403-a first pulley; 404-a second pulley; 405-a drive belt; 406-a mud guide plate; 500-sludge box; 501-a mud outlet.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1, a sludge dehydrating apparatus includes a first dehydrating chamber 100; a water tank 200 is communicated below the first dehydration chamber 100; one side of the first dehydration chamber 100 is communicated with a second dehydration chamber 300; a drying chamber 400 is arranged below the second dehydration chamber 300 in a communicating manner; a sludge box 500 is communicated and arranged below the drying chamber 400; the structure is compact, and the occupied area is reduced;

a mud inlet hopper 101 is arranged at the upper part of the first dewatering chamber 100; a separation conical plate 1011 is arranged in the sludge inlet hopper 101 and used for separating sludge so that the sludge can uniformly enter the sludge inlet hopper 101;

a conical filter cylinder 102 is arranged in the first dewatering chamber 100, and a plurality of through holes for water to flow out are distributed on the surface of the conical filter cylinder 102; the conical design is convenient for sludge to be extruded to realize dehydration in the stirring and transporting process, and water can flow out through the through holes on the conical filter cylinder 102;

the auger 103 is arranged in the conical filter cylinder 102 to realize the stirring and transportation of the sludge; the packing auger 103 comprises a first motor 1031, an output shaft of the first motor 1031 is fixedly connected with a rotating shaft 1032, and a spiral stirring paddle 1033 is spirally arranged on the rotating shaft 1032;

one end of the conical filter cylinder 102 is provided with an opening communicated with the second dewatering chamber 300, the upper part of the opening is provided with a blocking plate 305, the lower part of the opening is provided with an arc-shaped guide filter plate 104, and the blocking plate 305 and the arc-shaped guide filter plate 104 cooperate to guide water generated in the dewatering process into the water tank 200 and facilitate the sludge to be guided into the second dewatering chamber 300;

a secondary filter plate 201 is arranged in the water tank 200, so that water can be further filtered, and the water quality of the water in the water tank 200 is improved; the lower part of the water tank 200 is provided with a water outlet 202;

the upper part of the second dehydration chamber 300 is provided with a pressing plate component, so that the sludge can be extruded and dehydrated; a pressing plate assembly including a second motor 301 fixedly installed at the top of the second dehydrating chamber 300; the output shaft of the second motor 301 is fixedly connected with a push rod 302; the lower end of the push rod 302 is fixedly provided with a pressure plate 303; the pressing plate 303 is slidably arranged on the inner wall of the second dewatering chamber 300; the pressing plate 303 is obliquely arranged, and the lower end of the pressing plate 303 is close to one side of the first dewatering chamber 100; a filter screen 3031 is arranged at the upper end of the pressure plate 303, so that water can flow out conveniently in the dehydration process;

when the sludge reaches the second dewatering chamber 300, the second motor 301 drives the push rod 302 to extend downwards, the pressing plate 303 slides downwards along the inner wall of the second dewatering chamber 300, when the lower end of the pressing plate 303 is in a limit stroke, the lower end of the pressing plate 303 is lower than the lower end of the barrier plate 305, and at the moment, water flowing out through the filter screen 3031 in the dewatering process flows to the arc-shaped guide filter plate 104 along the upper part of the pressing plate 303 and further flows into the water tank 200 through the arc-shaped guide filter plate 104;

an opening communicated with the drying chamber 400 is formed in one side, close to the arc-shaped guide filter plate 104, of the bottom of the second dewatering chamber 300, and a sludge pump 304 is arranged at the opening, communicated with the drying chamber 400, of the second dewatering chamber 300; the mud pumping end of the mud pumping pump 304 is connected with a mud pumping pipe 3041, and the mud inlet end of the mud pumping pipe 3041 is close to the right side wall of the second dewatering chamber 300; after the sludge pump 304 is started, the sludge after the secondary dehydration is pumped to the drying chamber 400 by the sludge pump 304 for drying;

a baffle 401 and a fan 402 are arranged on the inner wall of the top of the drying chamber 400; the baffle 401 is vertically placed and the baffle 401 is positioned at the left side of the fan 402; the baffle 401 can scrape the sludge evenly, so that the fan 402 can air-dry the sludge evenly;

the lower part of the drying chamber 400 is provided with a transmission mechanism for transporting the sludge; the transmission mechanism comprises a first belt pulley 403 and a second belt pulley 404, and a transmission belt 405 is connected between the first belt pulley 403 and the second belt pulley 404; the first belt pulley 403 or the second belt pulley 404 is driven to rotate by a motor; the driving belt 405 can transport the dewatered sludge;

a sludge guide plate 406 which is convenient for sludge to flow to the sludge tank 500 is obliquely arranged at the lower part of the drying chamber 400, and the upper end of the sludge guide plate 406 is positioned at the right lower part of the second belt pulley 404; sludge on the belt 405 flows along the sludge guide plate 406 to the sludge tank 500;

the lower part of the sludge box 500 is provided with a sludge outlet 501, and the sludge after dehydration enters the next sludge treatment link through the sludge outlet 501.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sludge dewatering device is characterized in that: comprising a first dewatering chamber (100); a water tank (200) is communicated below the first dewatering chamber (100); one side of the first dehydration chamber (100) is communicated with a second dehydration chamber (300); a drying chamber (400) is communicated and arranged below the second dewatering chamber (300); a sludge box (500) is communicated and arranged below the drying chamber (400);

a mud inlet hopper (101) is arranged at the upper part of the first dewatering chamber (100); a conical filter cylinder (102) is arranged in the first dewatering chamber (100), and a plurality of through holes are distributed on the surface of the conical filter cylinder (102); a packing auger (103) is arranged in the conical filter cylinder (102); one end of the conical filter cylinder (102) is provided with an opening communicated with the second dewatering chamber (300), the upper part of the opening is provided with a blocking plate (305), and the lower part of the opening is provided with an arc-shaped guide filter plate (104); an opening communicated with the drying chamber (400) is arranged at one side of the bottom of the second dewatering chamber (300) close to the arc-shaped guide filter plate (104); a secondary filter plate (201) is arranged in the water tank (200); the upper part of the second dewatering chamber (300) is provided with a pressing plate assembly; a baffle (401) and a fan (402) are arranged on the inner wall of the top of the drying chamber (400); the baffle (401) is vertically arranged and the baffle (401) is positioned at the left side of the fan (402); the lower part of the drying chamber (400) is provided with a transmission mechanism; the lower part of the drying chamber (400) is obliquely provided with a mud guide plate (406).

2. The sludge dewatering apparatus according to claim 1, characterized in that: a separation conical plate (1011) is arranged in the mud feeding bucket (101).

3. The sludge dewatering apparatus according to claim 1, characterized in that: auger (103) is including first motor (1031), and first motor (1031) output shaft fixedly connected with pivot (1032), and the spiral is provided with spiral stirring rake (1033) on pivot (1032).

4. The sludge dewatering apparatus according to claim 1, characterized in that: the pressing plate assembly comprises a second motor (301) fixedly arranged at the top of the second dewatering chamber (300); an output shaft of the second motor (301) is fixedly connected with a push rod (302); a pressing plate (303) is fixedly arranged at the lower end of the push rod (302); the pressing plate (303) is arranged on the inner wall of the second dewatering chamber (300) in a sliding manner; the pressing plate (303) is obliquely arranged, and the lower end of the pressing plate (303) is close to one side of the first dewatering chamber (100); a filter screen (3031) is arranged at the upper end of the pressure plate (303); when the lower end of the pressing plate (303) is in the limit stroke, the lower end of the pressing plate (303) is lower than the lower end of the blocking plate (305).

5. The sludge dewatering apparatus according to claim 1, characterized in that: a sludge pump (304) is arranged at the opening of the second dewatering chamber (300) communicated with the drying chamber (400); the mud pumping end of the mud pumping pump (304) is connected with a mud pumping pipe (3041), and the mud inlet end of the mud pumping pipe (3041) is close to the right side wall of the second dewatering chamber (300).

6. The sludge dewatering apparatus according to claim 1, characterized in that: the transmission mechanism comprises a first belt pulley (403) and a second belt pulley (404), and a transmission belt (405) is connected between the first belt pulley (403) and the second belt pulley (404); the first belt pulley (403) or the second belt pulley (404) is driven to rotate by a motor.

7. The sludge dewatering apparatus according to claim 6, wherein: the upper end of the mud guide plate (406) is positioned at the lower right part of the second belt pulley (404).

8. The sludge dewatering apparatus according to claim 1, characterized in that: a water outlet (202) is formed in the lower part of the water tank (200); the lower part of the sludge box (500) is provided with a sludge outlet (501).