Drying machine for sludge treatment

Abstract

The drying machine for sludge treatment comprises a drying cylinder, a conveying device and a waste gas treatment device, a feeding opening is formed in the top of the drying cylinder and communicates with the conveying device, a jacket is arranged on the outer wall of the drying cylinder, an electric heating wire is arranged in the jacket, and two rotating shafts are symmetrically arranged in the drying cylinder; a plurality of hollow blades are evenly welded to the side wall of each rotating shaft, the right side of the top of the drying cylinder is connected with a waste gas treatment device, and the waste gas treatment device comprises a cyclone separator and a waste gas filtering tank; generated waste gas is introduced into the cyclone separator, dust in the waste gas is separated out by utilizing centrifugal force generated by the cyclone separator, the separated gas enters the waste gas filtering tank, harmful impurities in the gas are adsorbed and filtered by the activated carbon layer, and the treated gas is discharged into the atmosphere, so that the pollution of the dust and the harmful impurities to the environment is reduced; to-be-dried sludge is heated through the inner wall of the drying cylinder, the rotating shaft and the electric heating wires in the hollow blades, the heating area is increased, and the drying efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sludge drying, and particularly relates to a drying machine for sludge treatment. BACKGROUND

[0002] The sludge drying machine can dehydrate and dry sludge with high water content, improve the utilization value of the sludge, and reduce environmental pollution. The existing sludge drying machine directly discharges the waste gas generated after drying the sludge into the atmosphere, the waste gas contains dust and other harmful impurities, which can pollute the environment; and the drying machine generally heats the inner wall of the drying cylinder to heat treat and dry the sludge in the drying cylinder, and the sludge drying efficiency is low. CONTENT OF THE UTILITY MODEL

[0003] The present application provides a drying machine for sludge treatment, which is provided with a waste gas treatment device, the waste gas generated after drying the sludge is introduced into a cyclone separator, the centrifugal force generated when the cyclone separator rotates at high speed is used to separate the dust in the waste gas from the airflow, the gas separated from the solid is introduced into a waste gas filter tank, the harmful impurities in the waste gas are adsorbed and filtered by the activated carbon layer in the waste gas filter pipe, the treated gas is discharged into the atmosphere, and the pollution of dust and harmful impurities to the environment is reduced; the drying cylinder is provided with electric heating wires in the jacket, the shaft and the hollow paddle, the electric heating wires are heated, the drying cylinder, the shaft and the hollow paddle are used to heat treat and dry the sludge at the same time, the heating area is increased, and the drying efficiency is improved.

[0004] The present application provides a drying machine for sludge treatment, which comprises a drying cylinder, a conveying device and a waste gas treatment device, the top of the drying cylinder is provided with a feeding port, the feeding port is communicated with the conveying device, the conveying device comprises a feeding pipe and a hopper, a screw rod is arranged in the feeding pipe, helical blades are welded on the side wall of the screw rod, one end of the screw rod is connected with a motor two, the motor two is fixed on the outer wall of the feeding pipe, one end of the feeding pipe is communicated with the hopper, a jacket is arranged on the outer wall of the drying cylinder, electric heating wires are arranged in the jacket, two shafts are symmetrically arranged in the drying cylinder, the two ends of each shaft are mounted on the inner wall of the drying cylinder, a plurality of hollow paddles are uniformly welded on the side wall of each shaft, the hollow paddles on the two shafts are meshed with each other, the two shafts are connected with the same motor one, electric heating wires are arranged in the shafts and the hollow paddles, a discharging port is arranged on the side wall of the drying cylinder, the waste gas treatment device is connected to the right side of the top of the drying cylinder, the waste gas treatment device comprises a cyclone separator and a waste gas filter tank, a gas pipe is communicated with the top of the drying cylinder, one end of the gas pipe is connected with the cyclone separator, a gas guide pipe is communicated with the side wall of the cyclone separator, one end of the gas guide pipe is communicated with the waste gas filter tank, and an activated carbon layer is arranged in the waste gas filter tank.

[0005] Four supporting columns are welded on the bottom of the drying cylinder, and the four supporting columns are connected with the same base.

[0006] Further, the feeding pipe penetrates the side wall of the hopper, and the screw extends into the hopper.

[0007] Further, the side wall of the feeding barrel and the side wall of the drying cylinder are both provided with a frame, and the two frames are respectively used for supporting the motor one and the motor two.

[0008] Further, a collecting vehicle is arranged below the discharging port of the drying cylinder.

[0009] Further, four rollers are arranged below the collecting vehicle.

[0010] Further, a push-pull plate is arranged at the feeding port and the discharging port.

[0011] The application provides a drying machine for sludge treatment, which comprises a drying cylinder, a conveying device and a waste gas treatment device, the top of the drying cylinder is provided with a feeding port, the feeding port is communicated with the conveying device, the conveying device transports sludge to the feeding port, the sludge to be dried is put into the drying cylinder from the feeding port, the conveying device comprises a feeding pipe and a hopper, a screw rod is arranged in the feeding pipe, helical blades are welded on the side wall of the screw rod, one end of the screw rod is connected with a second motor, the second motor is fixed on the outer wall of the feeding pipe, one end of the feeding pipe is communicated with the hopper, the second motor is fixed on the outer wall of the feeding pipe, the hopper is filled with the sludge to be dried, the second motor drives the screw rod in the feeding pipe to rotate, the rotation of the screw rod drives the helical blades on the side wall of the screw rod to rotate, and then the sludge in the hopper is conveyed to the drying cylinder through the feeding pipe for drying, a jacket is arranged on the outer wall of the drying cylinder, electric heating wires are arranged in the jacket, two rotating shafts are symmetrically arranged in the drying cylinder, the two ends of each rotating shaft are mounted on the inner wall of the drying cylinder, a plurality of hollow paddles are uniformly welded on the side wall of each rotating shaft, the hollow paddles on the two rotating shafts are meshed with each other, the two rotating shafts are connected with the same first motor, the first motor drives the two rotating shafts to rotate at the same time, drives the hollow paddles on the two rotating shafts to rotate and mesh with each other, and then a bidirectional shearing state is achieved in the sludge drying process, the sludge is crushed, and the drying efficiency is improved, the rotating shafts and the hollow paddles are both provided with electric heating wires, the electric heating wires are heated, the inner wall of the drying cylinder is heated by the electric heating wires in the jacket, and then the inner wall of the drying cylinder, the rotating shafts and the hollow paddles simultaneously heat and treat the sludge to be dried, the heating area is increased, and the drying efficiency is improved, a discharge port is arranged on the side wall of the drying cylinder, the sludge after drying treatment is output from the discharge port on the drying cylinder, the top right side of the drying cylinder is connected with the waste gas treatment device, the waste gas treatment device comprises a cyclone separator and a waste gas filter tank, the top of the drying cylinder is communicated with an air pipe, one end of the air pipe is connected with the cyclone separator, the side wall of the cyclone separator is communicated with a gas guide pipe, one end of the gas guide pipe is communicated with the waste gas filter tank, an activated carbon layer is arranged in the waste gas filter tank, the waste gas generated after the sludge is dried is introduced into the cyclone separator, the centrifugal force generated when the cyclone separator rotates at high speed is used to separate dust in the waste gas from the airflow, the gas after gas-solid separation enters the waste gas filter tank, harmful impurities in the waste gas are adsorbed and filtered by the activated carbon layer in the waste gas filter tank, the treated gas is discharged into the atmosphere, and then the pollution of dust and harmful impurities to the environment is reduced, four supporting columns are welded on the bottom of the drying cylinder, the four supporting columns are connected with the same base, and the supporting columns and the base support the drying cylinder.

[0012] In conclusion, the application has the following beneficial effects:

[0013] 1. The dryer is provided with waste gas treatment device, sludge drying after the exhaust gas into the cyclone, using cyclone high-speed rotation when the centrifugal force, the dust in the waste gas from the airflow separation, gas-solid separation after the gas into the waste gas filter tank, by the activated carbon layer in the waste gas filter pipe in the waste gas adsorption filter, the treated gas into the atmosphere, and reduce the dust and harmful impurities pollution to the environment.

[0014] 2. The drying cylinder outer wall is provided with a jacket, the drying cylinder jacket, shaft and hollow paddle are provided with heating wire, heating heating wire, using the drying cylinder inner wall, shaft and hollow paddle to heat the sludge to be dried at the same time, increase the heating area, improve the drying efficiency.

[0015] 3 The drying cylinder is provided with two shafts, the hollow paddles on the two shafts are engaged with each other, the two shafts drive the two groups of hollow paddles to rotate and engage, achieving bidirectional shearing state in the sludge drying process, crushing the sludge and improving the drying efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the present application, the following will briefly introduce the drawings needed in the embodiment, and obviously, for those skilled in the art, other drawings can also be obtained without creative labor.

[0017] Fig. 1 The structure of the present application is shown in the figure.

[0018] Fig. 2 The structure of the present application is shown in the figure.

[0019] DESCRIPTION OF DRAWINGS

[0020] Among them, 1-drying cylinder, 2-heating wire, 3-rotating shaft, 4-motor, 5-hollow paddle, 6-feeding port, 7-feeding pipe, 8-screw, 9-spiral blade, 10-motor, 11-hopper, 12-supporting column, 13-discharge port, 14-collecting vehicle, 15-ventilation pipe, 16-cyclone, 17-waste gas filter tank, 18-activated carbon layer. DETAILED DESCRIPTION

[0021] In order to make the person in the technical field better understand the technical solutions in the present application, the technical solutions in the embodiment of the present application will be described clearly and completely in conjunction with the drawings.

[0022] From the above technical solutions, see Figs. 1-2 .

[0023] Example 1:

[0024] The utility model provides a kind of dryer for sludge treatment, including: drying cylinder 1, transport device and waste gas treatment device, drying cylinder 1 top is provided with feeding port 6, feeding port 6 is communicated transport device, transport device transports sludge to feeding port 6, from feeding port 6 to the sludge to be dried in drying cylinder 1, transport device includes feeding pipe 7 and mud bucket 11, feeding pipe 7 is provided with a screw rod 8 inside, and screw rod 8 side wall is welded with helical blade 9, and screw rod 8 one end is connected with motor two 10, and motor two 10 is fixed on the outer wall of feeding pipe 7, and feeding pipe 7 one end is communicated mud bucket 11, and motor two 10 is fixed on the outer wall of feeding pipe 7, and mud bucket 11 is loaded with the sludge to be dried, and motor two 10 drives the rotation of screw rod 8 in feeding bucket, and screw rod 8 rotation makes the rotation of helical blade 9 on its side wall, and then the sludge in mud bucket 11 is transported to drying cylinder 1 for drying through feeding pipe 7, and the outer wall of drying cylinder 1 is provided with a jacket, and the jacket is provided with heating wire 2, and two rotating shafts 3 are symmetrically arranged in drying cylinder 1, and the two ends of each rotating shaft 3 are mounted on the inner wall of drying cylinder 1, and a plurality of hollow paddles 5 are uniformly welded on the side wall of each rotating shaft 3, and the hollow paddles 5 on the two rotating shafts 3 are engaged with each other, and the two rotating shafts 3 are connected with the same motor one 4, and motor one 4 drives the rotation of the two rotating shafts 3 simultaneously, drives the rotation of the hollow paddles 5 on the two rotating shafts 3 and is engaged with each other, and then reaches bidirectional shearing state in the sludge drying process, crushes sludge, improves its drying efficiency, and heating wire 2 is arranged in rotating shaft 3 and hollow paddle 5, heating heating wire 2, heating the inner wall of drying cylinder 1 by using heating wire 2 in the jacket, and then the inner wall of drying cylinder 1, rotating shaft 3 and hollow paddle 5 simultaneously heat the sludge to be dried, increase the heating area, improve the drying efficiency, and the side wall of drying cylinder 1 is provided with discharge port 13, and the sludge after drying treatment is output from the discharge port 13 on drying cylinder 1, and the top right side of drying cylinder 1 is connected with waste gas treatment device, and the waste gas treatment device includes cyclone separator 16 and waste gas filter tank 17, and the top of drying cylinder 1 is communicated with a breather pipe 15, and one end of breather pipe 15 is connected with cyclone separator 16, and the side wall of cyclone separator 16 is communicated with a gas guide pipe, and one end of the gas guide pipe is communicated with waste gas filter tank 17, and waste gas filter tank 17 is provided with an activated carbon layer 18, and the waste gas generated after sludge drying is introduced into cyclone separator 16, and the centrifugal force generated when cyclone separator 16 rotates at high speed separates the dust in waste gas from airflow, and the gas-solid separated gas enters waste gas filter tank 17, and the harmful impurities in waste gas are adsorbed and filtered by activated carbon layer 18 in waste gas filter tank 17, and the treated gas is discharged into the atmosphere, and then reduce the pollution of dust and harmful impurities to the environment.

[0025] Drying cylinder 1 bottom is welded with four support columns 12, and the four support columns 12 are connected with the same base, and the support column 12 and the base support drying cylinder 1.

[0026] As a preferred embodiment, the feeding pipe 7 penetrates the side wall of the hopper 11, and the screw rod 8 extends into the hopper 11, facilitating the rotation of the screw rod 8 in the feeding pipe 7 and driving the helical blade 9 to transport the sludge in the hopper 11 into the drying cylinder 1.

[0027] As a preferred embodiment, the side wall of the feeding barrel and the side wall of the drying cylinder 1 are both provided with a frame, and the two frames are respectively used for supporting the motor 1 and the motor 2.

[0028] As a preferred embodiment, a collecting vehicle 14 is arranged below the discharge port 13 of the drying cylinder 1, and the sludge after drying treatment is discharged from the discharge port 13 of the drying cylinder 1 to the collecting vehicle 14 below, facilitating the transportation and treatment of the dried sludge.

[0029] As a preferred embodiment, four rollers are installed below the collecting vehicle 14, facilitating the movement of the collecting vehicle 14.

[0030] As a preferred embodiment, the feeding port 6 and the discharge port 13 are both provided with a push-pull plate, when feeding is needed, the push-pull plate of the feeding port 6 is pulled out, the feeding port 6 is opened, and the sludge to be dried is conveniently fed into the drying cylinder 1 for drying treatment, after the feeding is completed, the push-pull plate is closed for closed drying treatment, and after the drying is completed, the push-pull plate of the discharge port 13 is pulled out, facilitating the discharge of the dried sludge.

[0031] Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the specification and examples be considered as exemplary only, with the true scope of the application being indicated by the following claims.

[0032] It should be understood that the application is not limited to the precise construction that has been described above and illustrated in the accompanying drawings, and that various modifications and changes can be made by those skilled in the art without departing from the scope of the application. The embodiments of the application described above do not constitute a limitation of the protection scope of the application.

Claims

1. A dryer for sludge treatment, characterized by comprising: Include: Drying cylinder (1), transport device and waste gas treatment device, the drying cylinder (1) top is provided with feed inlet (6), the feed inlet (6) is communicated with the transport device, the transport device includes feeding pipe (7) and hopper (11), the feeding pipe (7) is provided with a screw rod (8), the screw rod (8) side wall is welded with spiral blade (9), the screw rod (8) one end is connected with motor two (10), the motor two (10) is fixed on the outer wall of the feeding pipe (7), the feeding pipe (7) one end is communicated with the hopper (11), the drying cylinder (1) outer wall is provided with a jacket, the jacket is provided with electric heating wire (2), the drying cylinder (1) is provided with two rotating shafts (3) symmetrically, the two ends of each rotating shaft (3) are installed on the inner wall of the drying cylinder (1), each rotating shaft (3) side wall is uniformly welded with a plurality of hollow paddles (5), the hollow paddles (5) on the two rotating shafts (3) are engaged with each other, the two rotating shafts (3) are connected with the same motor one (4), the rotating shaft (3) and the hollow paddle (5) are provided with electric heating wire (2) in, the drying cylinder (1) side wall is provided with discharge port (13), the drying cylinder (1) top right side is connected with the waste gas treatment device, the waste gas treatment device includes cyclone separator (16) and waste gas filter tank (17), the drying cylinder (1) top is communicated with a breather pipe (15), one end of the breather pipe (15) is connected with the cyclone separator (16), the cyclone separator (16) side wall is communicated with a gas guide pipe, one end of the gas guide pipe is communicated with the waste gas filter tank (17), the waste gas filter tank (17) is provided with an activated carbon layer (18); The drying cylinder (1) bottom is welded with four supporting columns (12), and the four supporting columns (12) are connected with the same base.

2. The dryer for sludge treatment according to claim 1, wherein The feeding pipe (7) penetrates the side wall of the hopper (11), and the screw rod (8) extends into the hopper (11).

3. The dryer for sludge treatment according to claim 1, wherein The side wall of the feeding pipe and the side wall of the drying cylinder (1) are provided with a plate frame, and two plate frames are used to support motor one (4) and motor two (10) respectively.

4. The dryer for sludge treatment according to claim 1, wherein A collecting vehicle (14) is arranged below the discharge port (13) of the drying cylinder (1).

5. The drier for sludge treatment according to claim 4, wherein Four rollers are installed below the collecting vehicle (14).

6. The dryer for sludge treatment according to claim 1, wherein The feed inlet (6) and the discharge port (13) are provided with a push-pull plate.

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