CN216614401U

CN216614401U - Rotary drum type sludge concentration dewatering machine for sludge treatment

Info

Publication number: CN216614401U
Application number: CN202123262139.8U
Authority: CN
Inventors: 马永晨
Original assignee: Boliyuan Technology Shandong Co ltd
Current assignee: Boliyuan Technology Shandong Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-27
Anticipated expiration: 2031-12-23

Abstract

The utility model provides a rotary drum sludge concentration hydroextractor for sludge treatment, includes the cylinder, be equipped with the stirring subassembly in the cylinder, one side of cylinder is equipped with the rotary drum, and the cylinder passes through the connecting pipe to be connected with the rotary drum intercommunication, the inside of rotary drum is equipped with spiral pivoted extrusion dehydration subassembly, and the extrusion dehydration subassembly is used for the concentrated dehydration of mud, the weeping hole has been seted up to the lateral wall of rotary drum, and one side that the cylinder was kept away from to the rotary drum is equipped with the discharge opening, through the cooperation of cylinder and stirring subassembly, breaks up mud, prevents to block up the pipeline to and the preliminary separation of free water in the mud, then the spiral extrusion subassembly passes through the extrusion effect, extrudees the dehydration with the mud in the rotary drum, through the combination of two kinds of separation methods, can carry out degree of depth concentrated dehydration to mud, has improved sludge dewatering's efficiency.

Description

Rotary drum type sludge concentration dewatering machine for sludge treatment

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a drum type sludge concentration dehydrator for sludge treatment.

Background

In the sewage treatment process, a large amount of sludge is generated, the mass of the sludge accounts for 0.3-0.5% of the treated water amount, but the cost for sludge treatment generally accounts for 20-50% of the operating cost of a sewage treatment plant, and a heavy burden is brought to sewage treatment.

Therefore, in response to these problems, we need a drum type sludge-concentrating dehydrator for sludge treatment.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a drum type sludge concentration dehydrator for sludge treatment, which has the advantage of deep dehydration of sludge.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a rotary drum sludge concentration hydroextractor for sludge treatment, includes the cylinder, be equipped with the stirring subassembly in the cylinder, one side of cylinder is equipped with the rotary drum, and the cylinder passes through the connecting pipe to be connected with the rotary drum intercommunication, the inside of rotary drum is equipped with spiral pivoted extrusion dehydration subassembly, and the extrusion dehydration subassembly is used for the concentrated dehydration of mud, the weeping hole has been seted up to the lateral wall of rotary drum, and one side that the cylinder was kept away from to the rotary drum is equipped with the discharge opening.

Preferably, the stirring assembly comprises a stirrer and a first motor, wherein the first motor is fixedly connected to one side of the separating cylinder, the first motor is rotatably connected with the stirrer, and the stirrer is arranged inside the separating cylinder.

Preferably, a separation pipe is arranged on one side of the separation cylinder and below the first motor, and the separation pipe controls the switch through a manual valve.

Preferably, two groups of rotary drums are arranged on the other side of the separation cylinder, and the separation cylinder is respectively communicated and connected with the two groups of rotary drums through Y-shaped connecting pipes.

Preferably, the extrusion dewatering component comprises a rotating shaft and spiral extrusion plates, a plurality of groups of spiral extrusion plates are fixedly connected to the outer side of the rotating shaft, and the distance between every two adjacent spiral extrusion plates is gradually reduced.

Preferably, the inner wall of the rotary drum is fixedly connected with a metal net, the rotary drum is provided with a plurality of groups of liquid leakage holes, and a liquid collecting tank is arranged below the liquid leakage holes.

Preferably, a second motor is fixedly connected above the rotary drum and is rotatably connected with the rotary shaft.

Has the advantages that:

this a rotary drum sludge concentration hydroextractor for sludge treatment breaks up mud through the cooperation of cylinder and stirring subassembly, prevents to block up the pipeline to and the preliminary separation of free water in the mud, then the screw extrusion subassembly passes through the extrusion effect, carries out the extrusion dehydration with the mud in the rotary drum, through the combination of two kinds of separation methods, can carry out the degree of depth concentrated dehydration to mud, has improved sludge dewatering's efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an elevational view of the overall construction of the present invention;

fig. 3 is a top view of the overall structure of the present invention.

In the figure: 1. a support frame; 2. a separation cylinder; 3. a stirrer; 4. a first motor; 5. a connecting pipe; 6. a drum; 7. a metal mesh; 8. a weep hole; 9. a rotating shaft; 10. a screw extrusion plate; 11. a discharge opening; 12. a second motor; 13. a liquid collecting tank; 14. and (4) separating the tubes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, a drum type sludge concentration dehydrator for sludge treatment comprises a separation drum 2, the separation drum 2 is added with a flocculant and then stands still for precipitation, the sludge is primarily dehydrated, a separation pipe 14 is arranged on one side of the lower end of the separation drum 2, the separation pipe 14 is controlled to be switched by a manual valve, the separation pipe 14 is used for discharging the primarily separated sewage, a stirring component is arranged in the separation drum 2, the stirring component can accelerate the dissolving process of the flocculant and accelerate the primary dehydration process, the separation drum 2 is respectively communicated and connected with two sets of rotary drums 6 through Y-shaped connecting pipes 5, a spiral rotating extrusion dehydration component is arranged in each rotary drum 6 and is used for further concentrating and dehydrating the sludge, a second motor 12 is fixedly connected above each rotary drum 6 and is used for driving the extrusion dehydration component to rotate, liquid leakage holes 8 are formed in the side wall of each rotary drum 6, one side of the rotary drum 6, which is far away from the separation drum 2, is provided with a discharge opening 11, the discharge opening 11 is used for discharging dewatered sludge, and a support frame 1 is arranged below the separation drum 2 and the rotary drum 6.

Referring to fig. 1, as a preferred embodiment of the present invention, the stirring assembly includes a stirrer 3 and a first motor 4, wherein the first motor 4 is fixedly connected to one side of the separation cylinder 2, the first motor and the stirrer 4 are rotatably connected through a pulley, the stirrer 3 is disposed inside the separation cylinder 2, and the stirrer 3 includes an upper layer of blades, a lower layer of blades, and a middle shaft.

Referring to fig. 2 and 3, as a preferred embodiment of this embodiment, the squeezing and dewatering assembly includes a rotating shaft 9 and spiral squeezing plates 10, multiple sets of spiral squeezing plates 10 are fixedly connected to the outer side of the rotating shaft 9, the distance between adjacent spiral squeezing plates 10 is gradually reduced, the rotating shaft 9 and the rotating drum 6 are rotatably connected through a plane bearing, a metal mesh 7 is fixedly connected to the inner wall of the rotating drum 6, the metal mesh 7 can effectively prevent sludge from entering the weeping holes 8 and blocking the weeping holes 8, multiple sets of weeping holes 8 are formed in the side wall of the rotating drum 6, a liquid collecting tank 13 is arranged below the weeping holes 8, water squeezed out from the weeping holes 8 falls into the liquid collecting tank 13 through the action of gravity, and is uniformly discharged through an outlet at the end of the liquid collecting tank 13.

The working process and principle are as follows: after the mud that needs the dehydration enters into the cylinder 2, inwards add the flocculating agent simultaneously, first motor 4 drives agitator 3 through the belt pulley and rotates, the flocculating agent be abundant, even dissolving is in mud, agitator 3 can break away the mud of big granule simultaneously, prevent to form the jam, then stew, deposit, the free water in the mud can suspend in the upper strata of mud, open connecting pipe 5, bottom mud enters into rotary drum 6 through connecting pipe 5, and the upper strata free water separates out through separator tube 14.

Drive pivot 9 and spiral stripper plate 10 through second motor 12 and rotate, mud enters into the space between spiral stripper plate 10 and the 6 inner walls of rotary drum, because the distance between two sets of adjacent spiral stripper plates 10 reduces gradually, mud wherein can be extrudeed gradually, the moisture of extruding separates out through weeping hole 8 on the 6 lateral walls of rotary drum, the water of extruding out in the weeping hole 8 falls to the catch basin 13 through the action of gravity, discharge in unison by the terminal export of catch basin 13, and metal mesh 7 can prevent effectively that mud from getting into weeping hole 8, block up weeping hole 8.

The sludge after full extrusion and dehydration can be driven by the spiral extrusion plate 10 to enter and exit from the discharge port 11 at the tail end of the rotary drum 6, and centralized treatment is convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rotary drum sludge concentration hydroextractor for sludge treatment, includes the cylinder, its characterized in that: the sludge concentrating and dewatering device is characterized in that a stirring assembly is arranged in the separating cylinder, a rotary drum is arranged on one side of the separating cylinder and is communicated and connected with the rotary drum through a connecting pipe, a spirally-rotating extruding dewatering assembly is arranged inside the rotary drum and is used for concentrating and dewatering sludge, liquid leakage holes are formed in the side wall of the rotary drum, and a discharge opening is formed in one side, away from the separating cylinder, of the rotary drum.

2. The drum type sludge concentrating and dewatering machine for sludge treatment according to claim 1, wherein: the stirring assembly comprises a stirrer and a first motor, wherein the first motor is fixedly connected to one side of the separating cylinder, the first motor and the stirrer are connected in a rotating mode, and the stirrer is arranged inside the separating cylinder.

3. The drum type sludge concentrating and dewatering machine for sludge treatment according to claim 1, wherein: a separating pipe is arranged on one side of the separating cylinder and below the first motor, and the separating pipe controls the switch through a manual valve.

4. The drum type sludge concentrating and dewatering machine for sludge treatment according to claim 1, wherein: and two groups of rotary drums are arranged on the other side of the separation cylinder, and the separation cylinder is respectively communicated and connected with the two groups of rotary drums through Y-shaped connecting pipes.

5. The drum type sludge concentrating and dewatering machine for sludge treatment according to claim 4, wherein: the extrusion dehydration component comprises a rotating shaft and spiral extrusion plates, wherein a plurality of groups of spiral extrusion plates are fixedly connected to the outer side of the rotating shaft, and the distance between every two adjacent spiral extrusion plates is gradually reduced.

6. The drum type sludge concentrating and dewatering machine for sludge treatment according to claim 1, wherein: the inner wall of the rotary drum is fixedly connected with a metal net, a plurality of groups of liquid leakage holes are formed in the rotary drum, and a liquid collecting tank is arranged below the liquid leakage holes.

7. The drum type sludge concentrating and dewatering machine for sludge treatment according to claim 1, wherein: and a second motor is fixedly connected above the rotary drum and is rotationally connected with the rotary shaft.