CN220610128U

CN220610128U - Crushing and mixing assembly of drying mechanism of sludge drying equipment

Info

Publication number: CN220610128U
Application number: CN202322203587.3U
Authority: CN
Inventors: 王慧; 姚传成; 徐冉
Original assignee: Shandong Osrit Testing Co ltd
Current assignee: Shandong Osrit Testing Co ltd
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-03-19
Anticipated expiration: 2033-08-16

Abstract

A crushing and mixing assembly of a drying mechanism of a sludge drying device relates to the technical field of environmental pollution treatment and comprises a heating tank; the first inner container and the second inner container are arranged in the heating tank in parallel up and down; the first inner container is internally provided with a crushing piece, and the crushing piece comprises a crushing frame which is fixed below the first inner container; a stirring piece is arranged in the second inner container; the inner wall of the first inner container is provided with a vertical first baffle plate which is fixed on the inner side surface of the inner wall of the first inner container and is used for avoiding vortex phenomenon so as to prevent the crushed silt particles from accumulating; the first baffle is connected with the inner wall of the first inner container at intervals through a bracket and forms an included angle with the radial direction of the inner wall of the first inner container; and a vertical second baffle is arranged on the wall of the second liner. The assembly can avoid vortex phenomenon generated during the pulverization and stirring and mixing of the sludge, change the tangential movement of solidified sludge particles into axial movement and radial movement, increase the pulverization and stirring degree of the solidified sludge particles, strengthen diffusion and improve pulverization and mixing effects.

Description

Crushing and mixing assembly of drying mechanism of sludge drying equipment

Technical Field

The utility model relates to the technical field of environmental pollution treatment, in particular to a crushing and mixing assembly of a drying mechanism of sludge drying equipment.

Background

Sludge is a typical solid waste and presents a serious environmental risk. With the large-scale development of water conservancy and water environment management projects in China, a large amount of dredging sludge is generated each year, and the dredging sludge rapidly grows at a rate of 30% each year. At present, a chemical reinforcement method is mostly adopted for sludge treatment, namely, inorganic materials such as cement, gypsum and the like and chemical slurry are added into soil, and auxiliary materials such as fly ash, slag and the like are added. The study by the scholars shows that the water content is reduced by 5.8%, the strength of the solidified sludge is improved by about 8%, and the water content of the solidified sludge is reduced as much as possible.

Patent document CN 217127224U discloses a sludge drying apparatus for environmental pollution control, which comprises a buffer mechanism 100, a dosing mechanism 200 and a drying mechanism 300, as shown in fig. 1 and 2, wherein the drying mechanism 300 comprises a pulverizing and mixing assembly and a discharging member 350, the pulverizing and mixing assembly comprises a drying member 310, a heating plate 320, a pulverizing member 330, a pulverizing blade 332, a stirring member 340 and a stirring frame 342. The drying part 310 comprises a heating tank 311, an inner container 314, a communicating pipe 315 and a conveying hopper 316, wherein the inner container 314 is fixed in the heating tank 311, and sludge output from a medicine feeding mechanism is crushed by the crushing part 330, then enters the conveying hopper 316 below the fixing frame 313 through the communicating pipe 315, and is stirred, mixed and stirred by the stirring part 340.

However, when the crushing and mixing assembly of the drying mechanism is used for crushing, the sludge forms a vortex along with the rotation direction of the crushing knife or the stirring frame, the sludge mainly moves tangentially without radial or vertical movement, is easily accumulated on the wall of the first liner, is unfavorable for crushing and mixing, and affects the heat transfer efficiency of the first liner.

Disclosure of Invention

In order to solve the problems and the defects in the prior art, the utility model provides a crushing and mixing assembly of a drying mechanism of a sludge drying device.

The technical scheme of the utility model is as follows:

a crushing and mixing assembly of a drying mechanism of a sludge drying device comprises a heating tank; the first inner container and the second inner container are arranged in the heating tank in parallel up and down; the first inner container is internally provided with a crushing piece, and the crushing piece comprises a crushing frame which is fixed below the first inner container; a stirring piece is arranged in the second inner container; the inner wall of the first inner container is provided with a vertical first baffle plate which is fixed on the inner side surface of the inner wall of the first inner container and is used for avoiding vortex phenomenon so as to prevent the crushed silt particles from accumulating; the first baffle is connected with the inner wall of the first inner container at intervals through a bracket and forms an included angle with the radial direction of the inner wall of the first inner container; and a vertical second baffle is arranged on the wall of the second liner.

In order to avoid vortex, the degree of the crushed sludge is increased, the first baffle plate which is deposited on the first liner wall is reduced to be a vertical flat plate, and the height direction of the first baffle plate extends vertically along the first liner wall. The upper and lower interval of support is equipped with two, and first baffle is equipped with four, along first inner bag wall evenly distributed.

In order to improve crushing effect, the inside filter that is equipped with of first inner bag is located crushing frame top and forms the accommodation chamber with it, is equipped with the filtration pore on the filter. Specifically, the filter is fixedly connected with the inner wall of the first liner, and the filter is positioned below the first baffle. The filter plate is used for blocking larger silt particles which are completely crushed, so that the larger silt particles are continuously left in a space formed by the inner container and the filter plate, and the larger silt particles are continuously crushed by the crushing knife to be reduced and then fall into the second inner container through the communicating pipe for mixing.

The second baffle is connected with the inner wall of the second inner container in a contact way and is used for avoiding vortex phenomenon so as to prevent crushed sludge from being accumulated on the wall of the second inner container during stirring.

The stirring piece arranged in the second inner container and the crushing piece arranged in the first inner container are connected through the double-output-shaft motor and the gear assembly, two motors are not needed to be additionally arranged, and manufacturing cost can be reduced.

According to the crushing and mixing assembly, the first baffle and the second baffle are respectively arranged in the first inner container where the crushing piece is located and the second inner container where the stirring piece is located, so that vortex phenomenon is avoided when the sludge is crushed and mixed, tangential movement of solidified sludge particles is changed into axial movement and radial movement, the crushing and stirring degree of the solidified sludge particles is increased, diffusion is enhanced, and crushing and mixing effects are improved.

A filter plate is additionally arranged on the crushing frame, crushed silt fine particles enter a second inner container where the stirring piece is located through a communicating pipe, and larger silt blocks which are not crushed are blocked in the first inner container to be crushed continuously.

The crushing piece and the stirring piece are connected through the double-output shaft motor and the gear assembly, two motors are not needed to be additionally arranged, and manufacturing cost is reduced.

Drawings

FIG. 1 is a prior art sludge drying apparatus of the present utility model;

FIG. 2 is a prior art drying mechanism of the present utility model;

FIG. 3 is a cross-sectional view of an embodiment of the present utility model;

FIG. 4 is a top view of the first bladder and first baffle;

FIG. 5 is a top view of the second bladder and second baffle;

the components represented by the reference numerals in the figures are:

100. a buffer mechanism; 200. a medicine feeding mechanism; 300. a drying mechanism; 310. a drying member; 320. a heating plate; 330. crushing the piece; 332. a crushing knife; 340. a stirring member; 342. a stirring rack; 350. a discharging part; 311. a heating tank; 313. a fixing frame; 314. an inner container; 315. a communicating pipe; 316. and a conveying hopper.

1. A heating tank; 2. a heating plate; 3. crushing the piece; 4. a stirring member; 5. a discharging part; 6. a first liner; 7. a first baffle; 8. a bracket; 9. a filter plate; 10. a second liner; 11. a second baffle; 12. a double output shaft motor; 13. a gear assembly; 14. a communicating pipe; 31. a crushing shaft; 32. a crushing knife; 33. a crushing frame; 41. a stirring shaft; 42. a stirring frame.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 3, a crushing and mixing assembly of a drying mechanism of a sludge drying device comprises a heating tank 1, a heating plate 2, a crushing member 3, a stirring member 4 and a discharging member 5, wherein a first inner container 6 and a second inner container 10 are arranged in the heating tank 1, the crushing member 3 is arranged in the first inner container 6, the crushing member 3 comprises a crushing frame 33, a crushing shaft 31 and a crushing cutter 32, the stirring member 4 is arranged in the second inner container 10, and the stirring member 4 comprises a stirring frame 42 and a stirring shaft 41. The pulverizing member 3 and the stirring member 4 are connected to a gear assembly 13 by a double output shaft motor 12. The outer walls of the first inner container 6 and the second inner container 10 are provided with heating plates 2, the inner wall of the first inner container 6 is provided with a vertical first baffle 7 which is fixed on the inner side surface of the inner wall of the first inner container 6 and used for avoiding vortex phenomenon so as to prevent crushed sludge particles from accumulating. The first baffle 7 is separated from the inner wall of the first liner 6 and forms a certain angle with the inner wall of the first liner 6.

In a specific embodiment, referring to fig. 3 and 4, the first baffle 7 is connected to the inner wall of the first liner 6 through a bracket 8. Specifically, one end of the first bracket 8 is welded to the first liner 6, the other end is welded to the first baffle 7, and the first baffle 7 is not in contact with the first liner 6, but is separated by a distance from the first bracket 8. Preferably, the two brackets are arranged at intervals up and down. The first baffle 7 is a vertical flat plate, and the width direction forms a certain angle with the first liner 6, but does not extend along the radial direction of the first liner 6, and the height direction extends along the wall of the first liner 6. And the first baffle 7 and the bracket 8 are uniformly provided with four along the inner peripheral surface of the wall of the first liner 6. Through the setting with the baffle of first inner bag 6 wall Hu Cheng certain angle, avoid silt crushing in-process along with the direction of the rotation of crushing sword 32 forming a vortex, change the tangential removal of silt granule into axial displacement and radial displacement, increase silt by kibbling degree, strengthen the diffusion of silt granule, reduce piling up on first inner bag 6 wall, improve crushing effect. The first baffle 7 and the inner wall of the first liner 6 are separated by a certain distance through the support 8, so that the formation of dead angles of sludge particles at the baffle can be effectively prevented, and the accumulation of the sludge particles is prevented.

As shown in fig. 3, in order to improve the crushing effect, the filter plate 9 is disposed inside the first inner container 6, above the crushing frame 33 and spaced apart from the crushing frame, and has a filter hole. Specifically, filter 9 and first inner bag 6 inner wall fixed connection are located crushing frame 33 top, and crushing sword 32 and the below of first baffle 7, and the filtration pore is equipped with a plurality of, and evenly distributed on filter 9. The filter plate 9 is used for blocking larger silt particles which are completely crushed, so that the larger silt particles are kept in a space formed by the inner container and the filter plate 9, and the larger silt particles are reduced by continuous crushing of the crushing knife 32 and then fall into the second inner container 10 through the communicating pipe 14 to be mixed.

As shown in fig. 3 and 5, a vertical second baffle 11 is disposed on the inner wall of the second liner 10, and is fixed on the inner side surface of the wall of the second liner 10 by welding, and the height direction extends along the height of the second liner 10. For avoiding the swirling phenomenon so as to prevent the crushed sludge from being accumulated on the wall of the second tank 10 during the stirring.

As shown in fig. 3, the stirring member 4 disposed in the second inner container 10 and the pulverizing member 3 disposed in the first inner container 6 are connected to each other by a double output shaft motor 12 and a gear assembly 13. The first motor shaft of the double-output shaft motor 12 is connected with the crushing piece 3, the second motor shaft is connected with the gear assembly 13, the gear assembly 13 is connected with the stirring piece 4, the double-output shaft motor 12 is decelerated through the gear assembly 13 and then is transmitted to the stirring piece 4, two motors are not needed to be additionally arranged, and manufacturing cost is reduced.

The present utility model is not limited to the above-described embodiments and examples, but various changes, equivalent substitutions, modifications and the like, which are made by those skilled in the art without departing from the spirit of the present utility model, should be included in the scope of the present utility model.

Claims

1. A crushing and mixing assembly of a drying mechanism of a sludge drying device comprises a heating tank (1); a first liner (6) and a second liner (10) which are arranged in parallel up and down in the heating tank (1); a crushing piece (3) is arranged in the first inner container (6), and the crushing piece (3) comprises a crushing frame (33) which is fixed below the first inner container; a stirring piece (4) is arranged in the second liner (10); it is characterized in that the method comprises the steps of,

the inner wall of the first inner container (6) is provided with a vertical first baffle (7) which is fixed on the inner side surface of the inner wall of the first inner container (6) and is used for avoiding vortex phenomenon so as to prevent crushed sludge particles from accumulating; the first baffle (7) is connected with the inner wall of the first inner container (6) at intervals through a bracket, and forms an included angle with the inner wall of the first inner container (6) in the radial direction; a vertical second baffle (11) is arranged on the wall of the second liner (10).

2. A comminution mixing assembly according to claim 1, characterized in that the first inner container (6) is internally provided with a filter plate (9) above the comminution frame (33) and forming a receiving chamber therewith, the filter plate (9) being provided with filter holes.

3. A comminution mixing assembly according to claim 2, characterized in that the first baffle (7) is a vertical plate, which extends vertically in the height direction along the first liner wall.

4. A comminution mixing assembly according to claim 3, characterized in that the support (8) is provided with two supports spaced apart from one another.

5. A comminution mixing assembly according to claim 4, characterized in that the first baffle (7) is provided with a plurality of baffles evenly distributed along the wall of the first inner container (6).

6. A comminution mixing assembly according to claim 5, characterized in that the first baffle (7) is provided with four.

7. A comminution mixing assembly according to claim 1, characterized in that the second baffle (11) is in contact with the inner wall of the second inner container (10).

8. A comminution mixing assembly according to claim 2, characterized in that the filter plates (9) are fixedly connected to the inner wall of the first inner container (6).

9. A comminution mixing assembly according to claim 2, characterized in that the filter plate (9) is located below the first baffle (7).

10. A comminution mixing assembly according to claim 1, characterized in that the comminution member (3) and the stirring member (4) are connected to a gear assembly (13) by means of a double output shaft motor (12).