CN115127325A

CN115127325A - Multilayer continuous sludge drying device

Info

Publication number: CN115127325A
Application number: CN202210815299.0A
Authority: CN
Inventors: 张晓春
Original assignee: Individual
Current assignee: Nico Holdings Beijing Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-09-30

Abstract

The invention provides a multilayer continuous sludge drying device, relates to the technical field of sludge drying, and aims to solve the problems of large occupied area, low sludge treatment efficiency and poor drying effect of the conventional sludge drying device. Including the ground, the support frame is installed to the ground, install a sludge treatment section of thick bamboo on the support frame, a sludge treatment section of thick bamboo link up for cavity, install multilayer material board, multilayer in the sludge treatment section of thick bamboo the material board interval is fixed on the inner wall of a sludge treatment section of thick bamboo, the multilayer the material board is the design of annular slab, the multilayer wear to be equipped with the main shaft in the material board, the main shaft is cavity casing and rotatable setting in a sludge treatment section of thick bamboo, the bottom of main shaft sets up drive arrangement, inboard and the fixed connection that drive arrangement is located the support frame are followed the subassembly is turned to the ascending equipartition fixedly connected with in circumference of main shaft, the closing cap is installed at the top of a sludge treatment section of thick bamboo.

Description

Multilayer continuous sludge drying device

Technical Field

The invention relates to the technical field of sludge drying, in particular to a multilayer continuous sludge drying device.

Background

Sludge is an extremely complex heterogeneous body with high water content, which is composed of organic matters, bacteria, inorganic particles, colloids and the like, and is mostly generated when municipal wastewater and factory wastewater are treated. With the development of cities, the sludge yield is increased. Sludge treatment is a process of reducing, stabilizing and detoxifying sludge, wherein reducing the water content of sludge is an important method for reducing sludge.

The traditional sludge drying treatment has low efficiency, simple and crude sludge treatment conditions and poor drying effect; if the dry time of extension, then can not continuous operation, there is the great condition of energy resource consumption, is unfavorable for enterprise sustainable development, need continuously in the drying process to heat the stoving to the material, the energy consumption is huge, and is with high costs, produces harmful substance in the material course of working, and prior art does not carry out specific treatment to harmful substance, causes the pollution to the environment, and area is big, and the place utilization is rateed lowly.

Aiming at the technical problems, it is very important to design a sludge drying device which has a multilayer structure and can continuously turn over.

Disclosure of Invention

The invention aims to solve the problems of large occupied area, low sludge treatment efficiency and poor drying effect of the conventional sludge drying device in the prior art, and provides a multilayer continuous sludge drying device.

In order to achieve the purpose, the invention adopts the following technical scheme: a multilayer continuous sludge drying device comprises a foundation, wherein a support frame is installed on the foundation, a sludge treatment barrel is installed on the support frame, multilayer material plates are installed in the sludge treatment barrel and fixed on the inner wall of the sludge treatment barrel at intervals, the multilayer material plates are designed into annular plates, a main shaft is arranged in the multilayer material plates in a penetrating mode, the main shaft is hollow and can be arranged in the sludge treatment barrel in a rotating mode, a driving device is arranged at the bottom of the main shaft, the driving device is located on the inner side of the support frame and is fixedly connected to the foundation, components are uniformly and fixedly connected in the circumferential direction of the main shaft and turn over, a sealing cover is installed at the top of the sludge treatment barrel, a sludge feeding hole is formed in the sealing cover, an induced draft fan is arranged on the left side of the foundation, an exhaust component is arranged on the outer side of the sludge treatment barrel, and the induced draft fan is connected with the exhaust component through an induced draft tube, the material plate of the bottom layer is provided with a sludge dry material discharge port, and the bottom of the main shaft is provided with an atmosphere connecting pipe.

Preferably, a plurality of groups of air supply openings are formed in the circumferential direction of the main shaft, the turning assembly is further arranged at intervals in the axial position of the main shaft, the turning assembly comprises a hollow rake arm, the left end of the rake arm is connected with the air supply openings, the right end of the rake arm is a closed end, and a plurality of groups of air blowing openings are formed in the bottom wall of the rake arm.

Preferably, the bottom wall of the rake arm is further provided with rake teeth in an inclined manner, the rake teeth are uniformly arranged on the bottom wall of the rake arm at intervals, the positions of the rake teeth and the position of the air blowing port are staggered, and the right end of the rake arm is further provided with a pulley auxiliary frame.

Preferably, the material plate at the top layer is a material bearing plate, the material plate at the next layer adjacent to the material plate at the top layer is a material changing and carrying plate, the outer diameter of the material bearing plate is larger than the outer diameter of the material changing and carrying plate, the material bearing plate is abutted against the inner wall of the sludge treatment barrel, the inner diameter of the material bearing plate is larger than the outer diameter of the main shaft to form a working gap with the main shaft, the outer diameter of the material changing and carrying plate is smaller than the inner diameter of the sludge treatment barrel, a transfer gap is formed between the material changing and carrying plate and the inner wall of the sludge treatment barrel, the material changing and carrying plate and the main shaft are abutted against each other without forming a working gap, the material plate at the bottom layer is consistent with the outer diameter of the material plate at the upper layer adjacent to the bottom layer, and a working gap is left between the material plate at the upper layer adjacent to the bottom layer and the main shaft, the material plates at the bottom layer and the main shaft are mutually abutted without forming a working gap, and the material bearing plates and the material changing plates are alternately arranged on the main shaft at intervals and are positioned above the material plates at the penultimate layer.

Preferably, each material plate is fixedly connected in the sludge treatment cylinder through a reinforcing rib, and the reinforcing rib is positioned at the bottom of each material plate.

Preferably, drive arrangement is including driven gear, driven gear installs on the main shaft, driven gear's left side is provided with the driving gear, driven gear with driving gear intermeshing, driven gear's below is provided with the gear assembly case, the speed reducer is installed on the right side of gear assembly case, the motor is installed on the right side of speed reducer.

Preferably, the exhaust assembly comprises an exhaust pipe, the exhaust pipe is arranged on the outer side of the sludge treatment barrel in multiple groups, the exhaust pipe is connected with the sludge treatment barrel through multiple groups of connecting pipes, the connecting pipes are obliquely arranged in the sludge treatment barrel, each material plate divides the inside of the sludge treatment barrel into relatively independent drying spaces, and the connecting pipes are communicated with the drying spaces.

Preferably, the collecting pipe is installed to the bottom of exhaust pipe, the collecting pipe with the exhaust pipe communicates each other, the collecting pipe in connect through the induced draft pipe between the draught fan.

Preferably, a dry sludge feeder is arranged below the dry sludge discharge port, and the dry sludge feeder is fixedly connected to the dry sludge discharge port through a fastening piece.

Compared with the prior art, the invention has the advantages and positive effects that,

1. in the invention, when in use, an external wet sludge conveyer conveys wet sludge to be treated from a sludge feeding port into a sludge treatment barrel, an external induced draft fan exhausts air into a collecting pipe through an air exhaust pipe, negative pressure is formed in each layer of drying space of the sludge treatment barrel, water vapor generated when the wet sludge is turned is exhausted, an atmosphere connecting pipe is externally connected to the bottom of a main shaft, the sludge treatment barrel has negative pressure, so that external air is input into the main shaft through the atmosphere connecting pipe, the introduced air is finally sent out through an air blowing port in a turning assembly, the air directly acts on the sludge on a material plate, then a driving device starts to work to drive the turning assembly on each layer of material plate to work, the wet sludge on the turning material plate can be uniformly diffused into water vapor under the action of the air, the diffused water vapor is exhausted out of the sludge treatment barrel through an air exhaust assembly, and the formed dry sludge is exhausted to a dry sludge drying material through a dry sludge discharging port, collect in unison again after the processing of mud drier feeder, compare conventional sludge drying device, the treatment effeciency improves greatly, because inside being cut apart into multilayer drying space by multiunit material board of a sludge treatment section of thick bamboo, thin wet mud layering shakeout, the multilayer is dry step by step, be favorable to the evaporation of water, whole drying process, do not set up heating device and heat wet mud, still reach wet sludge drying's effect, drying process is high-efficient, the power consumption is low, the environmental protection pollutes for a short time, realize automatic green production and processing, drying device compact structure, sludge drying device has been solved, large floor area, the low and poor problem of drying effect of sludge treatment efficiency.

2. In the invention, when in use, dry air in the main shaft is introduced into the rake arms through the air supply ports, and then the dry air is blown out from the air blowing ports on the bottom walls of the rake arms, the dry air directly acts on wet sludge on the material plates, and because the turning assemblies are arranged on the material plates of each layer, the wet sludge is gradually dried in the sludge treatment cylinder from top to bottom.

3. In the invention, in the internal closed space of the sludge treatment cylinder, a plurality of groups of material plates are used for separating to form a plurality of layers of drying spaces, wet sludge is distributed on each layer of material plate, and the wet sludge is dried layer by layer through air introduced by the draught fan, so that the whole sludge drying process does not need heating, and the sludge drying device has the advantages of layering, spreading thin and drying layer by layer.

4. In the invention, when in use, the water vapor generated in the drying process of the wet sludge in each layer of drying space is discharged into the exhaust pipe through the connecting pipe, then the water vapor is discharged into the collecting pipe through the exhaust pipe, and finally the collecting pipe uniformly collects and processes the water vapor generated in the drying process.

Drawings

FIG. 1 is an overall view of a multi-layered continuous sludge drying apparatus according to the present invention;

FIG. 2 is a schematic view of the distribution of a multi-layer material plate according to the present invention;

FIG. 3 is a bottom view of the multi-layer panel structure of the present invention;

FIG. 4 is a schematic view of a partial structure of a material carrying plate and a material transferring plate according to the present invention;

FIG. 5 is a schematic structural view of a flip assembly of the present invention;

FIG. 6 is a partial enlarged view of the flip assembly of the present invention;

FIG. 7 is a bottom view of a multi-layer continuous sludge drying apparatus according to the present invention;

fig. 8 is a partial structural schematic diagram of the driving device of the present invention.

Illustration of the drawings: 1. a foundation; 101. a support frame; 2. a sludge treatment cylinder; 3. a material plate; 301. reinforcing ribs; 4. a main shaft; 401. an air supply outlet; 5. a drive device; 501. a driven gear; 502. a driving gear; 503. a gear assembly case; 504. a speed reducer; 505. a motor; 6. turning over the component; 601. a rake arm; 602. an air blowing port; 603. rake teeth; 604. a pulley auxiliary frame; 605. a material bearing plate; 606. a material changing plate; 607. a material blocking ring; 7. sealing the cover; 701. a sludge feeding port; 8. an induced draft fan; 801. an induced draft pipe; 9. an air exhaust assembly; 901. an exhaust duct; 902. a connecting pipe; 903. a collection pipe; 10. a sludge dry material discharge port; 11. a dry sludge material feeder; 12. an atmosphere connecting pipe.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

The invention provides a multilayer continuous sludge drying device, which comprises a foundation 1, wherein a support frame 101 is arranged on the foundation 1, a sludge treatment barrel 2 is arranged on the support frame 101, the support frame 101 is arranged to support the whole sludge treatment barrel 2, a plurality of layers of material plates 3 are arranged in the sludge treatment barrel 2, the plurality of layers of material plates 3 are fixed on the inner wall of the sludge treatment barrel 2 at intervals, the plurality of layers of material plates 3 are designed to be annular plates,

the multi-layer material plates 3 are internally provided with a main shaft 4 in a penetrating manner, the main shaft 4 is hollow and can be rotatably arranged in a sludge treatment cylinder 2, the hollow main shaft 4 is designed to facilitate the external air suction through an atmosphere connecting pipe 12 in the later period to form air for drying wet sludge, the bottom of the main shaft 4 is provided with a driving device 5, the driving device 5 is positioned on the inner side of a support frame 101 and is fixedly connected to a foundation 1, the main shaft 4 is controlled to rotate in the sludge treatment cylinder 2 through the driving device 5, turning components 6 are uniformly and fixedly connected in the circumferential direction of the main shaft 4, the turning components 6 are driven by the rotation of the main shaft 4 to drive the wet sludge on the material plates 3 to turn, and the drying efficiency of the wet sludge is improved;

the top of the sludge treatment barrel 2 is provided with a sealing cover 7, a relatively closed space is formed inside the sludge treatment barrel through the arrangement of the sealing cover 7, the sealing cover 7 is provided with a sludge feeding hole 701, sludge to be treated enters the sludge treatment barrel 2 from the sludge feeding hole 701, the left side of the foundation 1 is provided with an induced draft fan 8, the induced draft fan 8 is connected with the bottom of the main shaft 4 through an induced draft pipe 801, the induced draft fan 8 performs induced draft on an exhaust pipe 901 in an exhaust component through the induced draft pipe 801 to form negative pressure in the sludge treatment barrel 2, at the moment, an atmosphere connecting pipe 12 connected with the bottom of the main shaft sucks external atmosphere into the sludge treatment barrel 2 to form air for drying wet sludge in the main shaft 4, finally blows out through a blowing port 602 in a turning component to directly act on the wet sludge, and discharges water vapor generated in a sludge drying process through an exhaust component 9,

be provided with the mud drier discharge port 10 on the material board 3 of bottom, mud drier feeder 11 is installed to the below of mud drier discharge port 10, mud drier feeder 11 passes through fastener fixed connection in mud drier discharge port 10 department, by mud drier feeder 11 with the mud centralized processing after the drying, the later stage of being convenient for is collected developing of work.

In the actual working process, the external wet sludge conveyor conveys wet sludge to be treated from the sludge feed port 701 to the sludge treatment cylinder 2, meanwhile, the external draught fan 8 draws air into the sludge treatment cylinder 2 through the air guide pipe 801, the air enters the rear main shaft 4 through the atmosphere connecting pipe 12 and is finally directly sent out by the turning assembly 6, the air directly acts on the sludge on the material plates 3, then the driving device 5 starts to work to drive the turning assembly 6 on each layer of the material plates 3 to work, the wet sludge on the turning material plates 3 can be uniformly dispersed with water vapor under the action of the air, the water vapor is discharged out of the sludge treatment cylinder 2 through the air exhaust assembly 9, the finally formed dry sludge is discharged to the dry sludge feeder 11 through the dry sludge discharge port 10 and is uniformly collected after being treated by the dry sludge feeder 11, and compared with the conventional sludge drying device, the treatment efficiency is greatly improved, because the inside multilayer drying space of being cut apart into by multiunit material board 3 of a sludge treatment section of thick bamboo 2, thin wet mud layering stand, the multilayer is dry step by step, is favorable to the evaporation of water, whole drying process does not set up heating device and heats wet mud, still reaches the dry effect of wet mud, and drying process is high-efficient, the power consumption is low, the environmental protection pollutes for a short time, realizes automatic green production and processing.

Example 1

As shown in fig. 1-8, a plurality of layers of material plates 3 are fixed on the inner wall of a sludge treatment barrel 2 at intervals, the plurality of layers of material plates 3 are designed as annular plates, a main shaft 4 penetrates through the plurality of layers of material plates 3, the main shaft 4 is hollow and is rotatably arranged in the sludge treatment barrel 2, a plurality of groups of air supply ports 401 are arranged on the circumference of the main shaft 4, turning assemblies 6 are also arranged at intervals on the axial position of the main shaft 4, the turning assemblies 6 are arranged in the drying space divided by the plurality of layers of material plates 3, each layer of drying space is provided with a turning assembly 6,

the turning component 6 is covered with a rake arm 601, the rake arm 601 is in a hollow shell type, the left end of the rake arm 601 is connected with the air supply opening 401, the joint is sealed, the right end of the rake arm 601 is a closed end, the air supplied from the air supply opening 401 is timely transmitted into the rake arm 601,

the bottom wall of the rake arm 601 is provided with a plurality of groups of air blowing ports 602 for sending out dry air introduced into the main shaft 4, rake teeth 603 are further obliquely installed on the bottom wall of the rake arm 601, the rake teeth 603 are uniformly arranged on the bottom wall of the rake arm 601 at intervals, the positions of the rake teeth 603 and the positions of the air blowing ports 602 are staggered, the condition that the rake teeth 603 block the air blowing ports 602 to blow out the dry air is avoided, when the turning assembly 6 turns over wet sludge on each layer of material plate 3, the air blowing ports 602 blow out dry air to dry the wet sludge, and the right end of the rake arm 601 is further provided with a pulley auxiliary frame 604, so that the plurality of groups of rake arms 601 smoothly rotate on the material plate 3, and the running resistance of the rake arm 601 is reduced.

The effect that its whole embodiment 1 reached is, in use, introduce the dry air in main shaft 4 into harrow arm 601 through supply-air outlet 401, blow off the dry air by mouth of blowing 602 on the harrow arm 601 diapire again, the dry air directly acts on the wet mud on material board 3, because all be provided with on the material board 3 of each layer and turn subassembly 6, make wet mud from top to bottom dry step by step in sludge treatment section of thick bamboo 2, compare conventional sludge drying mode, drying effect improves greatly, turn subassembly 6 simultaneously and also play the effect of turning to wet mud, make wet mud can be by the drying of omnidirectional, compare the conventional direct mode of carrying out natural air-drying with wet mud tiling, drying efficiency improves greatly.

Example 2

As shown in fig. 1 to 8, a plurality of material plates 3 are installed in the sludge treatment barrel 2, the plurality of material plates 3 are fixed on the inner wall of the sludge treatment barrel 2 at intervals, the plurality of material plates 3 are designed as annular plates, each material plate 3 is fixedly connected in the sludge treatment barrel 2 through a reinforcing rib 301, the reinforcing rib 301 is located at the bottom of each material plate 3,

the material plate 3 at the top layer is a material bearing plate 605, the material plate 3 at the next layer at the top layer adjacent to the material bearing plate is a material replacing plate 606,

the outer diameter of the material bearing plate 605 is larger than the outer diameter of the material changing plate 606, the material bearing plate 605 abuts against the inner wall of the sludge treatment barrel 2, the inner diameter of the material bearing plate 605 is larger than the outer diameter of the main shaft 4, a working gap is formed between the material bearing plate and the main shaft 4, so that wet sludge on the material bearing plate 605 can only flow to the material changing plate 606 on the next layer from the working gap,

the outer diameter of the material changing and carrying plate 606 is smaller than the inner diameter of the sludge treatment barrel 2, a transfer gap is formed between the material changing and carrying plate 606 and the inner wall of the sludge treatment barrel 2, the inner diameter of the material changing and carrying plate 606 and the outer diameter of the main shaft 4 are consistent, the two are mutually abutted without a working gap, so that wet sludge on the material changing and carrying plate 606 can only flow to the material changing and carrying plate 606 on the next layer from the transfer gap,

the material plates 3 at the bottom layer and the upper layer material plates 3 adjacent to the bottom layer have the same outer diameter, a working gap is reserved between the inner diameter of the upper layer material plates 3 adjacent to the bottom layer and the main shaft 4, so that sludge materials on the material plates 3 at the penultimate layer can only flow to the material plates 3 at the bottom layer from the working gap, the material plates 3 at the bottom layer and the main shaft 4 are mutually abutted without forming the working gap, and sludge on the material plates 3 at the bottom layer can only be discharged from a sludge dry material discharge port 10,

the bearing material plates 605 and the material-changing plates 606 are alternately arranged on the main shaft 4 at intervals and are positioned above the penultimate material plate 3 (namely the material plate on the upper layer adjacent to the material plate on the bottom layer), so that the sludge can be gradually dried from the material plate on the top layer to the material plate on the bottom layer, and the power for the flow of the sludge is provided by the turning assembly 6 corresponding to each layer.

The whole embodiment 2 achieves the effect that, in use, the bearing material plates 605 and the conversion material plates 606 are alternately arranged on the main shaft 4 at intervals, so that the sludge on the bearing material plate 605 on the upper layer flows to the conversion material plates 606 on the lower layer through the working gap formed between the inner diameter and the main shaft 4, and then the conversion material plates 606 flow to the bearing material plates 605 on the lower layer through the transfer gaps, the bearing material plates 605 and the conversion material plates 606 are alternately arranged at intervals, the circulation power of the sludge between the bearing material plates 605 and the conversion material plates 606 is provided by the rotation of the rake arms, so that the sludge is orderly conveyed to the material plates 3 on the bottom layer from top to bottom, and compared with the conventional sludge flat-laying type drying mode, the sludge drying efficiency is greatly improved.

Example 3

As shown in fig. 1-8, the main shaft 4 is hollow and is rotatably disposed in the sludge treatment cylinder 2, the bottom of the main shaft 4 is provided with a driving device 5, the driving device 5 includes a driven gear 501, the driven gear 501 is sleeved on the main shaft 4, a driving gear 502 is disposed on the left side of the driven gear 501, the driven gear 501 and the driving gear 502 are engaged with each other, a gear assembly box 503 is disposed below the driven gear 501, a speed reducer 504 is mounted on the right side of the gear assembly box 503, and a motor 505 is mounted on the right side of the speed reducer 504;

the effect that its whole embodiment 3 reached is, in use, through the work of motor 505 drive speed reducer 504, speed reducer 504 drives gear assembly case 503 work, drives driving gear 502 after the operation of gear assembly case and rotates, and driving gear 502 and driven gear 501 intermeshing drive driven gear 501 rotation, driving gear 502 drive driven gear 501 after rotating and rotate, and driving driven gear 501 fixed connection realizes the rotation of main shaft 4 finally on main shaft 4.

Example 4

As shown in fig. 1-8, a support frame 101 is installed on the foundation 1, a sludge treatment cylinder 2 is installed on the support frame 101, an exhaust assembly 9 is installed outside the sludge treatment cylinder 2, the exhaust assembly 9 includes exhaust pipes 901, the exhaust pipes 901 are arranged outside the sludge treatment cylinder 2 in multiple groups, the exhaust pipes 901 are connected with the sludge treatment cylinder 2 through multiple groups of connecting pipes 902, the connecting pipes 902 are obliquely arranged in the sludge treatment cylinder 2,

each material plate 3 is divided into relatively independent drying spaces inside the sludge treatment cylinder 2, the connecting pipe 902 is communicated with the drying spaces, the connecting pipe 902 is inclined, so that water vapor generated when wet sludge is dried can be collected and discharged to the exhaust pipe 901 in time, the collecting pipe 903 is installed at the bottom of the exhaust pipe 901, the collecting pipe 903 is communicated with the exhaust pipe 901, the water vapor in the exhaust pipe 901 is collected to the exhaust pipe 901 in a centralized manner, the collecting pipe 903 is connected with the draught fan 8 through the induced draft pipe 801, the air is sucked in the sludge treatment cylinder 2, and negative pressure is formed inside the sludge treatment cylinder 2.

The effect that its whole embodiment 4 reached is, in use, the steam that each layer of drying space wet mud produced in drying process is discharged to exhaust pipe 901 by connecting pipe 902 in, discharges steam to collecting pipe 903 by exhaust pipe 901 again, finally is collected the processing in unison to the steam that the drying produced by collecting pipe 903, compares conventional sludge drying process mode, can not produce the foul smell in the processing procedure, can not cause pollution.

The working principle is as follows:

an external wet sludge conveyor conveys wet sludge to be treated into the sludge treatment cylinder 2 from a sludge feeding hole 701, an external induced draft fan 8 sucks air into a collecting pipe through an induced draft pipe 801, an exhaust pipe 9 on the collecting pipe 903 is connected with the inside of the sludge treatment cylinder 2 through a connecting pipe 902, negative pressure is formed inside the sludge treatment cylinder 2, at the moment, external atmosphere is sucked into the main shaft 4 through an atmosphere connecting pipe 12 by an atmosphere connecting pipe 12 through an air supply opening 401, dry air in the main shaft 4 is introduced into the rake arms 601 through an air supply opening 401, dry air is blown out from an air blowing opening 602 in the bottom walls of the rake arms 601, the dry air directly acts on the wet sludge on the material plates 3, and the action of blowing out the dry air by each rake arm 601 is completed;

the motor 505 drives the speed reducer 504 to work, the speed reducer 504 drives the gear assembly box 503 to work, the gear assembly box drives the driving gear 502 to rotate after running, the driving gear 502 is meshed with the driven gear 501, the driving gear 502 drives the driven gear 501 to rotate after rotating, the driven gear 501 is fixedly connected to the main shaft 4, and finally the main shaft 4 rotates, so that the rake arms 601 and the rake teeth 603 are driven to rotate on the material plate 3 to drive sludge on the material plate 3 to move;

because the bearing material plates 605 and the material changing plates 606 are alternately arranged on the main shaft 4 at intervals, the sludge on the bearing material plate 605 on the upper layer flows to the material changing plate 606 on the lower layer through a working gap formed between the inner diameter and the main shaft 4, and then flows to the bearing material plate 605 on the lower layer through the material changing plate 606 through a transferring gap, the sludge between the adjacent bearing material plates 605 and the material changing plates 606 provides the power for the movement of the sludge through the rotation of the rake arms 601, so that the sludge is orderly conveyed from the top layer material to the material plate 3 on the bottom layer from top to bottom, and in the transferring process of the sludge, the vapor generated in the turning process is continuously pumped out by matching the action of the air exhaust assembly 9 and the induced draft fan 8, thereby achieving the effect of drying the sludge;

the outer diameters of the material plates 3 at the bottom layer are consistent with those of the upper layer material plates 3 adjacent to the bottom layer, only a working gap is reserved between the upper layer material plates 3 adjacent to the bottom layer and the main shaft 4, so that sludge circulation between the material plates 3 at the bottom layer and the upper layer material plates 3 adjacent to the bottom layer can only be realized through the working gap formed between the inner diameter of the material plates 3 and the main shaft 4, the material plates 3 at the bottom layer are mutually abutted, the flow of dried sludge through the working gap is concentrated on the material plates 3 at the bottom layer, finally, the sludge dry material is discharged from a sludge dry material discharge port 10 on the material plates 3 at the bottom layer to a sludge dry material feeder 11, and the dried sludge is stirred, crushed and refined by the sludge dry material feeder and then is uniformly collected and processed.

In conclusion, the drying air in the main shaft is introduced into the rake arms through the air supply openings, then the drying air is blown out from the air blowing openings in the bottom walls of the rake arms, the drying air directly acts on the wet sludge on the material plates, and the material plates on each layer are provided with the turning assemblies, so that the wet sludge is dried in the sludge treatment cylinder step by step from top to bottom, the drying effect is greatly improved compared with the conventional sludge drying mode, meanwhile, the turning assemblies also have the turning effect on the wet sludge, the wet sludge can be dried in all aspects, and the drying efficiency is greatly improved compared with the conventional mode of directly spreading the wet sludge for natural air drying; the bearing material plates and the material changing plates are alternately arranged on the main shaft at intervals, so that sludge on the bearing material plate on the upper layer flows to the material changing plate on the lower layer through a working gap formed between the inner diameter and the main shaft, and then flows to the bearing material plate on the lower layer through the material changing plates through a transferring gap; the steam that the wet mud of every layer drying space produced in drying process is arranged to the exhaust pipe by the connecting tube in, is arranged steam to the collecting pipe by the exhaust pipe again, finally is collected the processing by the collecting pipe is unified to the steam that the drying produced, compares conventional sludge drying processing mode, can not produce the foul smell in the processing procedure, can not cause the pollution.

It should be noted that various standard components used in the present invention are commercially available, non-standard components may be specially customized, and the connection manner adopted in the present invention, such as bolting, welding, etc., is also a very common means in the mechanical field, and the inventor is not described herein again.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The utility model provides a multilayer continuous type sludge drying device, includes ground (1), support frame (101) is installed to ground (1), its characterized in that, install sludge treatment section of thick bamboo (2) on support frame (101), install multilayer material board (3) in sludge treatment section of thick bamboo (2), the multilayer material board (3) interval is fixed on the inner wall of sludge treatment section of thick bamboo (2), the multilayer material board (3) are the design of annular plate, and the multilayer wear to be equipped with main shaft (4) in material board (3), main shaft (4) are cavity and rotatable setting in sludge treatment section of thick bamboo (2), the bottom of main shaft (4) sets up drive arrangement (5), drive arrangement (5) are located the inboard and the fixed connection of support frame (101) on ground (1), follow the upwards equipartition fixedly connected with of circumference of main shaft (4) subassembly (6) that turn, closing cap (7) are installed at the top of a sludge treatment section of thick bamboo (2), be provided with mud feed inlet (701) on closing cap (7), the left side of ground (1) is provided with draught fan (8), the outside of stating a sludge treatment section of thick bamboo (2) is provided with air exhaust subassembly (9), draught fan (8) with it is connected through induced duct (801) between subassembly (9) to air exhaust, be provided with mud drier discharge port (10) on material board (3) of bottom, atmosphere connecting pipe (12) are installed to the bottom of main shaft (4).

2. The multi-layer continuous sludge drying device as claimed in claim 1, wherein a plurality of sets of air blowing openings (401) are arranged on the circumference of the main shaft (4), the flipping module (6) is further arranged at intervals on the axial position of the main shaft (4), the flipping module (6) comprises a hollow rake arm (601), the left end of the rake arm (601) is connected with the air blowing openings (401), the right end of the rake arm (601) is a closed end, and a plurality of sets of air blowing openings (602) are arranged on the bottom wall of the rake arm (601).

3. The multi-layer continuous sludge drying device as claimed in claim 2, wherein the bottom wall of the rake arm (601) is further provided with rake teeth (603) obliquely, the rake teeth (603) are arranged on the bottom wall of the rake arm (601) at regular intervals, the positions of the rake teeth (603) and the positions of the air blowing openings (602) are staggered, and the right end of the rake arm (601) is further provided with a pulley auxiliary frame (604).

4. The multi-layer continuous sludge drying device according to claim 1, wherein the top layer material plate (3) is a material bearing plate (605), the next layer material plate (3) adjacent to the top layer material plate (3) is a material changing plate (606), the outer diameter of the material bearing plate (605) is larger than the outer diameter of the material changing plate (606), the material bearing plate (605) abuts against the inner wall of the sludge treatment barrel (2), the inner diameter of the material bearing plate (605) is larger than the outer diameter of the main shaft (4) and forms a working gap with the main shaft (4), the outer diameter of the material changing plate (606) is smaller than the inner diameter of the sludge treatment barrel (2), a transfer gap is formed between the material changing plate (606) and the inner wall of the sludge treatment barrel (2), and no working gap is formed between the material changing plate (606) and the main shaft (4) which have the same outer diameter, the material plate (3) of the bottom layer is consistent with the material plate (3) of the upper layer adjacent to the bottom layer in outer diameter size, a working gap is reserved between the inner diameter of the material plate (3) of the upper layer adjacent to the bottom layer and the spindle (4), the material plate (3) of the bottom layer and the spindle (4) are mutually abutted without forming the working gap, and the material bearing plate (605) and the material changing and carrying plate (606) are alternately arranged on the spindle (4) at intervals and are located above the material plate (3) of the second layer from the bottom.

5. The multi-layer continuous sludge drying device according to claim 4, wherein each material plate (3) is fixedly connected in the sludge treatment barrel (2) through a reinforcing rib (301), and the reinforcing rib (301) is positioned at the bottom of each material plate (3).

6. The multi-layer continuous sludge drying device according to claim 1, wherein the driving device (5) comprises a driven gear (501), the driven gear (501) is installed on the main shaft (4), a driving gear (502) is arranged on the left side of the driven gear (501), the driven gear (501) is meshed with the driving gear (502), a gear assembly box (503) is arranged below the driven gear (501), a speed reducer (504) is installed on the right side of the gear assembly box (503), and a motor (505) is installed on the right side of the speed reducer (504).

7. The multi-layer continuous sludge drying device according to claim 1, wherein the exhaust assembly (9) comprises exhaust pipes (901), the exhaust pipes (901) are arranged at the outer side of the sludge treatment cylinder (2) in a plurality of groups, the exhaust pipes (901) are connected with the sludge treatment cylinder (2) through a plurality of groups of connecting pipes (902), the connecting pipes (902) are obliquely arranged in the sludge treatment cylinder (2), each material plate (3) divides the inside of the sludge treatment cylinder (2) into relatively independent drying spaces, and the connecting pipes (902) are communicated with the drying spaces.

8. The multi-layer continuous sludge drying device of claim 7, wherein a collecting pipe (903) is installed at the bottom of the exhaust pipe (901), the collecting pipe (903) is communicated with the exhaust pipe (901), and the collecting pipe (903) is connected between the induced draft fans (8) through an induced draft pipe (801).

9. The multi-layer continuous sludge drying device according to claim 1, wherein a dried sludge feeder (11) is installed below the dried sludge discharge port (10), and the dried sludge feeder (11) is fixedly connected to the dried sludge discharge port (10) through a fastener.