CN215250361U

CN215250361U - Sectional type sludge drying device

Info

Publication number: CN215250361U
Application number: CN202120760079.3U
Authority: CN
Inventors: 陈文然; 雷轰; 张超; 华琴; 孙婷婷; 邢振杰
Original assignee: Yangtze Ecology And Environment Co ltd
Current assignee: Yangtze Ecology And Environment Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-12-21
Anticipated expiration: 2031-04-14

Abstract

A sectional type sludge drying device comprises a drying chamber, wherein an exhaust port is formed in the top of the drying chamber, heat is supplied to the drying chamber by a heat supply device, a plurality of spiral conveyers are arranged in the drying chamber and distributed in a multilayer manner from top to bottom, two adjacent spiral conveyers are communicated through a material conveying cylinder, the spiral conveyer on the uppermost layer is communicated with a feed hopper, and the spiral conveyer on the lowermost layer is communicated with a discharge pipe; the spiral conveyer comprises a conveying cylinder, a plurality of air holes are formed in the top of the conveying cylinder, an air-permeable cylinder is arranged at the air holes, and a blockage removing device is arranged above the air-permeable cylinder. The utility model discloses the sectional type sets up the auger delivery structure, carries out transmission layer upon layer to mud, turns mud at the in-process of transmission, improves the efficiency of being heated for the sludge drying is more thorough.

Description

Sectional type sludge drying device

Technical Field

The utility model belongs to the technical field of the sludge drying, in particular to sectional type sludge drying device.

Background

A large amount of sludge can be generated in the sewage treatment process, the sludge is a loose and porous pasty substance with high water content and high viscosity, the sludge drying is an effective way for realizing sludge reduction, stabilization, harmlessness and recycling, the operation energy consumption of the subsequent treatment stage can be effectively reduced through effective sludge drying treatment, and the generation of secondary pollution can be avoided. However, the sludge is dewatered and dried by consuming a large amount of energy, and particularly, the uneven and incomplete drying causes the technical problems of high sludge drying cost, low sludge drying efficiency, poor effect, poor sludge treatment environmental protection and the like.

Disclosure of Invention

In view of the technical problem that the background art exists, the utility model provides a sectional type sludge drying device, the sectional type sets up the auger delivery structure, carries out transmission layer upon layer to mud, turns mud at the in-process of transmission, improves the efficiency of being heated for the sludge drying is more thorough.

In order to solve the technical problem, the utility model discloses following technical scheme has been taken and has been realized:

a sectional type sludge drying device comprises a drying chamber, wherein an exhaust port is formed in the top of the drying chamber, heat is supplied to the drying chamber by a heat supply device, a plurality of spiral conveyers are arranged in the drying chamber and distributed in a multilayer manner from top to bottom, two adjacent spiral conveyers are communicated through a material conveying cylinder, the spiral conveyer on the uppermost layer is communicated with a feed hopper, and the spiral conveyer on the lowermost layer is communicated with a discharge pipe; the spiral conveyer comprises a conveying cylinder, a plurality of air holes are formed in the top of the conveying cylinder, an air-permeable cylinder is arranged at the air holes, and a blockage removing device is arranged above the air-permeable cylinder.

In the preferred scheme, the blockage removing device comprises an air cylinder, the air cylinder is used for driving a main air pipe to move up and down, the main air pipe is communicated with an air supply pipe, a plurality of branch air pipes are arranged on the main air pipe, and each branch air pipe is used for blowing air to one ventilation cylinder.

In a preferable scheme, the main air pipe and the air cylinder are respectively communicated with an air supply pipe through hoses, and the air supply pipe is provided with a pulse electromagnetic valve.

In a preferable scheme, the air cylinder is fixed with the inner wall of the conveying cylinder or the drying chamber through a bracket.

In a preferred scheme, two ends of the main air pipe are respectively provided with an air cylinder, an air supply pipe and a pulse electromagnetic valve.

In the preferred scheme, the bottom of the bronchus is provided with a horn-shaped rubber sleeve, the horn-shaped rubber sleeve is positioned right above the ventilating cylinder, and the horn-shaped rubber sleeve is used for being sleeved at the top of the ventilating cylinder.

In the preferred scheme, the bottom of the drying chamber is provided with an air inlet, the air inlet is used for providing hot air by a heat supply device, and the heat supply device is a hot air blower.

This patent can reach following beneficial effect:

the utility model discloses the sectional type sets up the spiral delivery structure, carries out layer upon layer transmission to mud, turns over mud in the process of transmitting, improves the heating efficiency, makes sludge drying more thorough; the spiral conveyer only adopts a spiral blade structure, and the inner space is larger. Mud is at the transportation process, and the moisture in the indoor heat of mummification is with mud is dried, and vapor passes through the bleeder vent and discharges, avoids mud to block up ventilative section of thick bamboo, and this technical scheme has designed clear stifled device, and clear stifled device is regularly clear stifled to ventilative section of thick bamboo, avoids dry mud to block up ventilative section of thick bamboo.

Drawings

The invention will be further explained with reference to the following figures and examples:

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

FIG. 2 is a schematic diagram of the blockage removing device of the utility model;

FIG. 3 is an external view of the conveying cylinder of the upper spiral conveyer of the present invention;

fig. 4 is an appearance view of the conveying cylinder of the lower screw conveyer of the present invention.

In the figure: the drying chamber 1, an exhaust port 101, an air inlet 102, a spiral conveyer 2, a conveying cylinder 21, an air vent 22, an air vent cylinder 23, a spiral blade 24, a material conveying cylinder 3, a feed hopper 4, a blockage removing device 5, an air cylinder 51, a main air pipe 52, a branch air pipe 53, an air supply pipe 54, a pulse electromagnetic valve 55, a horn-shaped rubber sleeve 56 and a discharge pipe 6.

Detailed Description

A preferable scheme is as shown in fig. 1 to 4, the sectional sludge drying device comprises a drying chamber 1, an exhaust port 101 is arranged at the top of the drying chamber 1, heat is provided by a heat supply device in the drying chamber 1, a plurality of spiral conveyors 2 are arranged in the drying chamber 1, the spiral conveyors 2 are distributed in a multilayer manner from top to bottom, two adjacent spiral conveyors 2 are communicated through a material conveying barrel 3, the spiral conveyor 2 positioned at the uppermost layer is communicated with a material feeding hopper 4, and the spiral conveyor 2 positioned at the lowermost layer is communicated with a material discharging pipe 6; the screw conveyer 2 comprises a conveying cylinder 21, a plurality of air holes 22 are formed in the top of the conveying cylinder 21, an air permeable cylinder 23 is arranged at the position of each air hole 22, and a blockage cleaning device 5 is arranged above each air permeable cylinder 23.

As shown in fig. 1, a spiral blade 24 is provided in the conveying cylinder 21, the spiral blade 24 is driven by a motor to rotate, and a central shaft is not provided at the axis of the spiral blade 24 for the purpose of increasing the conveying amount. However, when the screw conveyor 2 is subjected to a large conveying load and the helical blade 24 is subjected to a large torsion, the central shaft may be provided. The number of the screw conveyors 2 in this embodiment is two, and the screw conveyor 2 positioned on the upper layer is called an upper layer screw conveyor, and the screw conveyor positioned on the lower layer is called a lower layer screw conveyor

Mud is at the transportation process, and the moisture in the heat in the mummification room 1 is dried mud, and vapor passes through bleeder vent 22 and discharges, in order to avoid mud to block up ventilative section of thick bamboo 23, this technical scheme has designed clear stifled device 5, and clear stifled device 5 is regularly clear stifled to ventilative section of thick bamboo 23, avoids dry mud to block up ventilative section of thick bamboo 23. The specific structure of the blockage removing device 5 is as follows:

as shown in fig. 2, the blockage removing device 5 comprises an air cylinder 51, the air cylinder 51 is used for driving a main air pipe 52 to move up and down, the main air pipe 52 is communicated with an air supply pipe 54, a plurality of branch air pipes 53 are arranged on the main air pipe 52, and each branch air pipe 53 is used for blowing air to one air permeable cylinder 23. The main gas pipe 52 and the cylinder 51 are respectively communicated with a gas supply pipe 54 through hoses, and a pulse solenoid valve 55 is arranged on the gas supply pipe 54. The air cylinder 51 is fixed with the conveying cylinder 21 or the inner wall of the drying chamber 1 through a bracket. The main gas pipe 52 is provided at both ends thereof with a gas cylinder 51, a gas supply pipe 54 and a pulse solenoid valve 55.

The main air pipe 52 is used for being communicated with an air source, after the pulse electromagnetic valve 55 is opened, the air cylinder 51 drives the main air pipe 52 to move downwards, meanwhile, pressurized air is introduced into the main air pipe 52, and the branch air pipe 53 blows air into the ventilation cylinder 23 for clearing and purging.

The bottom of the bronchus 53 is provided with a trumpet-shaped rubber sleeve 56, the trumpet-shaped rubber sleeve 56 is positioned right above the ventilating cylinder 23, and the trumpet-shaped rubber sleeve 56 is used for being sleeved on the top of the ventilating cylinder 23. The horn-shaped rubber sleeve 56 is used for playing a sealing effect, the horn-shaped rubber sleeve 56 has certain elasticity, when the bronchus 53 moves downwards, the horn-shaped rubber sleeve 56 covers the upper edge of the breathable cylinder 23 and plays a sealing effect, gas is not prone to pressure release, and the purging effect is better.

Further, the bottom of the drying chamber 1 is provided with an air inlet 102, the air inlet 102 is provided with hot air by a heat supply device, and the heat supply device is a hot air blower.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. The utility model provides a sectional type sludge drying device, includes mummification room (1), and the top of mummification room (1) is equipped with gas vent (101), provides heat, its characterized in that by heating device in mummification room (1): a plurality of spiral conveyers (2) are arranged in the drying chamber (1), the spiral conveyers (2) are distributed in a multilayer manner from top to bottom, two adjacent spiral conveyers (2) are communicated through a material conveying barrel (3), the spiral conveyer (2) positioned on the uppermost layer is communicated with a material feeding hopper (4), and the spiral conveyer (2) positioned on the lowermost layer is communicated with a material discharging pipe (6); the spiral conveyer (2) comprises a conveying cylinder (21), a plurality of air holes (22) are formed in the top of the conveying cylinder (21), an air permeable cylinder (23) is arranged at the air holes (22), and a blockage cleaning device (5) is arranged above the air permeable cylinder (23).

2. The segmented sludge drying apparatus of claim 1, wherein: the blockage removing device (5) comprises an air cylinder (51), the air cylinder (51) is used for driving a main air pipe (52) to move up and down, the main air pipe (52) is communicated with an air supply pipe (54), a plurality of branch air pipes (53) are arranged on the main air pipe (52), and each branch air pipe (53) is used for blowing air to one ventilation cylinder (23).

3. The segmented sludge drying apparatus of claim 2, wherein: the main air pipe (52) and the air cylinder (51) are respectively communicated with an air supply pipe (54) through hoses, and the air supply pipe (54) is provided with a pulse electromagnetic valve (55).

4. The segmented sludge drying apparatus of claim 3, wherein: the air cylinder (51) is fixed with the inner wall of the conveying cylinder (21) or the drying chamber (1) through a bracket.

5. The segmented sludge drying apparatus of claim 3 or 4, wherein: both ends of the main air pipe (52) are provided with an air cylinder (51), an air supply pipe (54) and a pulse electromagnetic valve (55).

6. The segmented sludge drying apparatus of claim 2, 3 or 4, wherein: the bottom of the bronchus (53) is provided with a horn-shaped rubber sleeve (56), the horn-shaped rubber sleeve (56) is positioned right above the ventilating cylinder (23), and the horn-shaped rubber sleeve (56) is used for being sleeved at the top of the ventilating cylinder (23).

7. The segmented sludge drying apparatus of claim 1, wherein: the bottom of the drying chamber (1) is provided with an air inlet (102), the air inlet (102) is provided with hot air by a heat supply device, and the heat supply device is a hot air blower.