CN214244175U

CN214244175U - Sludge dewatering device

Info

Publication number: CN214244175U
Application number: CN202023036827.8U
Authority: CN
Inventors: 骆张航之; 王恬依
Original assignee: Jinhua Polytechnic
Current assignee: Jinhua Polytechnic
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-09-21
Anticipated expiration: 2030-12-16

Abstract

The utility model relates to a sludge treatment equipment field, concretely relates to sludge dewatering device. It includes the frame, be equipped with the sludge box in the frame, two relative lateral walls slide to set up and form two stripper plates in the frame on the sludge box, the outside of stripper plate is equipped with the dosing tank, slide to set up and form the push pedal in the frame with the lateral wall that the stripper plate is relative on the dosing tank, be equipped with the power device who is used for promoting the push pedal in the frame, the push pedal promotes the stripper plate and slides, so that the volume of dosing tank and the volume of sludge box are variable, be equipped with the pipe in the dosing tank, pipe and sludge box intercommunication, be equipped with the (mixing) shaft that rotates the setting in the sludge box, be equipped with on sludge box's the roof and be used for driving (mixing) shaft pivoted drive arrangement. The utility model discloses use multiple dehydration mode of generalized type, improve dehydration efficiency, and simple structure, easy to carry out.

Description

Sludge dewatering device

Technical Field

The utility model relates to a sludge treatment equipment field, concretely relates to sludge dewatering device.

Background

Along with the increase of the sewage yield, a large amount of sludge can be generated in the treatment process of the urban sewage, and the sludge of the urban sewage plant is used for preparing ceramsite.

However, the water content of the sludge is usually high, the sludge is difficult to be directly applied, and the sludge needs to be dewatered, and in the prior art, the sludge dewatering technologies and devices are more, including extrusion type, stacked screw type, dosing type and the like, but all of the devices have some disadvantages, such as complex structure, single dewatering mode, low dewatering efficiency and the like.

SUMMERY OF THE UTILITY MODEL

To the sludge dewatering device structure among the prior art complicated, the dehydration mode is single, dehydration inefficiency not enough, the utility model aims to provide a sludge dewatering device uses the multiple dehydration mode of generalized type, improves dehydration efficiency, and simple structure, easy to carry out.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a sludge dewatering device, which comprises a frame, be equipped with the sludge box in the frame, two relative lateral walls slide to set up and form two stripper plates in the frame on the sludge box, the outside of stripper plate is equipped with the dosing tank, slide to set up and form the push pedal in the frame with the lateral wall that the stripper plate is relative on the dosing tank, be equipped with the power device who is used for promoting the push pedal in the frame, the push pedal promotes the stripper plate and slides, so that the volume of dosing tank and the volume of sludge box are changeable, be equipped with the pipe in the dosing tank, pipe and sludge box intercommunication, be equipped with the (mixing) shaft that rotates the setting in the sludge box, be equipped with on the roof of sludge box and be used for driving (mixing) shaft pivoted drive arrangement.

Through adopting above-mentioned technical scheme, the gliding in-process of power device promotion push pedal on both sides, can change the volume of dosing tank, extrude the mud case with the medicament in the dosing tank, the (mixing) shaft is mixed medicament and mud uniformly, the push pedal further promotes the stripper plate and slides, two stripper plates extrude each other and make sludge dewatering, take the mode that extrudees and add the medicine and combine together among this technical scheme, and only need power device's pushing action can accomplish automatic medicine and extrusion mud, the dehydration mode is diversified, the efficiency of dehydration is improved, moreover, the steam generator is simple in structure, and easy to implement.

The utility model discloses further set up to: a portion of the stripper plate serves as a sidewall of the dosing box. Through this setting for overall structure is compacter, and when the push pedal slided, can promote the stripper plate better simultaneously.

The utility model discloses still further set up to: the pipe includes inlet tube and outlet pipe, and the inlet tube sets up on the dosing case, and the outlet pipe sets up on the sludge box, and inlet tube and outlet pipe pass through the changeable hose connection of length.

The utility model discloses still further set up to: the power device is an air cylinder or an electric cylinder, and the air cylinder or the electric cylinder pushes the corresponding push plate to slide along the transverse direction. Through this setting, the piston rod of cylinder or electric jar is connected with the push pedal, can directly promote the push pedal and make a round trip to slide.

The utility model discloses still further set up to: two baffle plates extending downwards are arranged on the top wall of the dosing box, the two baffle plates are arranged at intervals, the push plate is positioned between the two baffle plates, and the push plate is respectively contacted with one of the baffle plates when sliding back and forth. Through the arrangement, when the push plate is pushed to be in contact with the baffle on the inner side, the volume of the dosing box is not changed, and meanwhile, the push plate pushes the extrusion plate to slide to extrude sludge; when the push plate retracts, the push plate is in contact with the baffle on the outer side, the dosing box and the extrusion plate can be pulled back, and the working state of the dosing box and the sludge box is relieved.

The utility model discloses still further set up to: the stirring shaft is provided with stirring blades, and the stirring blades are sequentially arranged from top to bottom. Through this setting, the stirring leaf stirs mud for the medicament and the mud intensive mixing of adding improve dehydration efficiency.

The utility model discloses still further set up to: the bottom wall of the sludge tank is a filter plate with meshes, and the frame is provided with a water collecting tank which is positioned below the filter plate. Through this setting, sewage passes through the filter plate and collects in the water-collecting tank, concentrates the emission again, and the pollution abatement.

The utility model discloses still further set up to: the water collection tank is made of transparent materials. Through this setting, can directly observe the water level in the header tank from the outside, remind the staff in time to drain off water.

The utility model has the advantages that: 1) in the process that the power device pushes the push plates on two sides to slide, the volume of the dosing box can be changed, the medicament is extruded into the sludge box from the dosing box, the stirring shaft uniformly mixes the medicament and the sludge to carry out dosing type dehydration, the push plates further push the extrusion plates to slide, and the two extrusion plates extrude each other to extrude and dehydrate the sludge; 2) two baffle plates are designed, when the push plate is pushed, the volume of the dosing tank is gradually compressed to extrude the medicament, when the push plate is pushed to be in contact with the baffle plate on the inner side, the volume of the dosing tank is not changed, and meanwhile, the push plate pushes the extrusion plate to slide to extrude the sludge; when the push plate retracts, the push plate is in contact with the baffle on the outer side, the dosing box and the extrusion plate can be pulled back, and the working state of the dosing box and the sludge box is relieved.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is an enlarged view of a point a in fig. 1.

Reference numerals: the sludge treatment device comprises a frame 100, a sludge tank 200, a pressing plate 201, a stirring shaft 202, a motor 203, a stirring blade 204, a filter plate 205, a dosing tank 300, a pushing plate 301, a cylinder 302, a baffle plate 303, a conduit 400, an inlet pipe 401, an outlet pipe 402, a hose 403 and a water collecting tank 500.

Detailed Description

In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The invention is further described with reference to the drawings and the specific embodiments.

Example 1: as shown in figures 1, 2 and 3,

a sludge dewatering device comprises a frame 100, a sludge box 200 is arranged on the frame, two opposite side walls on the sludge box are arranged on the frame in a sliding manner to form two extrusion plates 201, a dosing box 300 is arranged on the outer side of each extrusion plate, a main body of the dosing box is fixedly arranged on each extrusion plate, one part of each extrusion plate is used as one side wall of the dosing box, so that the whole structure is more compact, the side wall opposite to the extrusion plate on the dosing box is arranged on the frame in a sliding manner to form a push plate 301, the push plate and the main body of the dosing box are in relative sliding fit, the push plate and the main body of the dosing box form a relatively sealed dosing box, a power device for pushing the push plate is arranged on the frame, the power device can be an air cylinder 302 or an electric cylinder and the like, a piston rod of the air cylinder or the electric cylinder is connected with the push plate, so that the push plate can be directly pushed to slide back and forth along the transverse direction, the push plate pushes the extrusion plates to slide, so that the volume of the dosing box and the volume of the sludge box can be changed, be equipped with pipe 400 in the dosing tank, the pipe includes inlet tube 401 and outlet pipe 402, the inlet tube sets up on the dosing tank, the outlet pipe sets up on the sludge box, inlet tube and outlet pipe pass through the changeable hose 403 of length and connect, pipe and sludge box intercommunication, be equipped with the (mixing) shaft 202 that rotates the setting in the sludge box, be equipped with on the roof of sludge box and be used for driving (mixing) shaft pivoted drive arrangement, drive arrangement chooses for use motor 203, be equipped with stirring leaf 204 on the (mixing) shaft, the stirring leaf from top to bottom arranges in proper order, the stirring leaf stirs mud, make the medicament and the mud intensive mixing of adding, the efficiency of dehydration is improved.

Two downwardly extending baffle plates 303 are arranged on the top wall of the dosing box, the two baffle plates are arranged at intervals, a sliding space is reserved for the push plate at the interval between the two baffle plates, the push plate is positioned between the two baffle plates, and the push plate is respectively contacted with one of the baffle plates when sliding back and forth. When the push plate is pushed, the volume of the dosing box is gradually compressed to extrude the medicament, and when the push plate is pushed to be in contact with the baffle on the inner side, the volume of the dosing box is not changed any more, and meanwhile, the push plate pushes the extrusion plate to slide to extrude the sludge; when the push plate retracts, the push plate is in contact with the baffle on the outer side, the dosing box and the extrusion plate can be pulled back, and the working state of the dosing box and the sludge box is relieved.

The diapire of sludge box is for having the filter plate 205 of mesh, is equipped with header tank 500 in the frame, and the header tank is located the below of filter plate, and sewage passes through the filter plate and collects in the header tank, concentrates again and discharges, and the pollution abatement, the header tank adopts transparent material to make, can directly observe the water level in the header tank from the outside, reminds the staff in time to drain.

When the sludge dewatering device is implemented, sludge is loaded into a sludge box, dewatered chemicals are loaded into a chemical dosing box, the volumes of the sludge box and the chemical dosing box are variable, a cylinder pushes push plates on two sides to slide transversely, the push plates are displaced relative to a chemical dosing box main body (the chemical dosing box main body is a part of the chemical dosing box fixedly arranged on an extrusion plate), the volumes of the chemical dosing box are compressed, the generated air pressure extrudes the chemicals into the sludge box from the chemical dosing box through a conduit, the length of a hose is variable, so that the conduit is adaptive to the displacement of the chemical dosing box, a motor drives a stirring shaft to rotate to uniformly mix the chemicals and the sludge, the chemical dosing and the dewatering are carried out, the push plates are limited after contacting with an inner baffle, the volumes of the chemical dosing box are not changed any more, the push plates further push the extrusion plates to slide, the two extrusion plates extrude and dewater the sludge, the dewatered sewage after dewatering is collected by a water collecting box downwards through a filter plate, after dewatering is completed, the push plate is pulled back by the cylinder, the push plate is contacted with the baffle on the outer side, the dosing box and the extrusion plate are pulled away from the sludge box together, and the dewatered sludge is taken out to obtain the sludge meeting the conditions for preparing the ceramsite. Adopt the mode that extrudees and add medicine and combine together among this technical scheme, the dehydration mode is diversified, improves dehydration efficiency, and only needs the pushing action of cylinder can accomplish automatic reagent feeding and extrusion mud, simple structure, easy to carry out.

The above embodiments are only used for further explanation of the present invention, and it is not understood that the present invention is limited by the protection scope of the present invention, and the technical engineers in the field are right according to the above contents of the present invention.

Claims

1. The utility model provides a sludge dewatering device, which is characterized by, which comprises a frame, be equipped with the sludge box in the frame, two relative lateral walls slide to set up and form two stripper plates in the frame on the sludge box, the outside of stripper plate is equipped with the doser, the lateral wall relative with the stripper plate slides to set up and forms the push pedal in the frame on the doser, be equipped with the power device who is used for promoting the push pedal in the frame, the push pedal promotes the stripper plate and slides, so that the volume of doser and the volume of sludge box are changeable, be equipped with the pipe in the doser, pipe and sludge box intercommunication, be equipped with the (mixing) shaft that rotates the setting in the sludge box, be equipped with on the roof.

2. The sludge dewatering apparatus of claim 1, wherein a portion of the stripper plate serves as a side wall of the dosing tank.

3. The sludge dewatering device according to claim 1 or 2, wherein the conduit comprises an inlet pipe and an outlet pipe, the inlet pipe is provided on the dosing tank, the outlet pipe is provided on the sludge tank, and the inlet pipe and the outlet pipe are connected by a flexible pipe with a variable length.

4. The sludge dewatering device of claim 1 or 2, wherein the power device is a cylinder or an electric cylinder, and the cylinder or the electric cylinder pushes the corresponding push plate to slide along the transverse direction.

5. A sludge dewatering apparatus as claimed in claim 1 or claim 2, wherein the top wall of the dosing chamber has two downwardly extending baffles spaced apart from one another, the push plate being located between the baffles and contacting one of the baffles as the push plate slides back and forth.

6. The sludge dewatering device as claimed in claim 1 or 2, wherein the stirring shaft is provided with stirring blades, and the stirring blades are arranged from top to bottom in sequence.

7. The sludge dewatering device of claim 1, wherein the bottom wall of the sludge tank is a filter plate with mesh holes, and the frame is provided with a water collecting tank which is positioned below the filter plate.

8. The sludge dewatering apparatus of claim 7, wherein the header tank is made of a transparent material.