CN212739634U

CN212739634U - Dedicated screw conveyer of muddy material

Info

Publication number: CN212739634U
Application number: CN202021585677.3U
Authority: CN
Inventors: 郦怡; 景镇子; 成铭钊; 袁贤俊
Original assignee: Shanghai Haigu New Material Technology Co ltd
Current assignee: Shanghai Haigu New Material Technology Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-03-19
Anticipated expiration: 2030-08-04

Abstract

The utility model relates to a dedicated screw conveyer of muddy material belongs to screw conveyor technical field. Comprises a spiral shell (1), a feed hopper (2) containing a crushing device, a discharge hopper (9), a shaftless spiral blade (7), a conveying driving motor (4) and a purging device (5). The spiral shell (1) is composed of a U-shaped groove shell (1-1) and an upper cover plate (1-2); a feed hopper (2) containing a crushing device is arranged at one end of the spiral shell (1); a discharge hopper (9) with a vibrating motor (8) arranged on the outer wall is arranged at the other end of the spiral shell (1); the bottom of the spiral shell (1) which is positioned at the same end with the feed hopper (2) is provided with an air inlet (6), and the blowing device (5) is connected with the air inlet (6). The utility model overcomes long-pending difficult difficulty that removes of material in the transportation process has avoided material adhesion, has blockked up the hopper, has realized lasting even stable transport argillaceous material purpose, has improved conveying efficiency and has prolonged screw conveyer life simultaneously.

Description

Dedicated screw conveyer of muddy material

Technical Field

The utility model relates to a dedicated screw conveyer of muddy material belongs to a screw conveyer equipment technical field

Background

The screw conveyor is a device which utilizes a motor to drive a screw to rotate, pushes materials to move and realizes the conveying and moving of the materials, has the advantages of simple structure, convenient operation, convenient closed transportation and the like, and is widely applied to the fields of environmental protection, buildings, mineral products and the like. Screw conveyors can be divided into shafted screw conveyors and shaftless screw conveyors, wherein the shafted screw conveyors are generally used for transporting non-viscous dry powder materials and small particle materials, such as cement, fly ash, lime and the like, and the shaftless screw conveyors are suitable for transporting pasty or semi-fluid materials which are high in viscosity, easy to wind and easy to block, such as sludge, biomass and the like.

The argillaceous material is short for muddy waste as a raw material. China generates a great amount of muddy waste every year. The muddy waste mainly comprises river sludge, municipal sludge, building slurry, shield sludge and the like. The muddy waste has high water content and can be subsequently transported and recycled after being subjected to reduction treatment, but the blocky muddy material subjected to reduction treatment still keeps higher viscoplasticity and has certain mechanical strength, so that the blocky muddy material has the problems of wall sticking and the like if being conveyed by a shaft screw conveyor, and the blocky muddy material is easily jammed and accumulated if being conveyed by a shaftless screw conveyor, so that the conveying efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and designing a special screw conveyer for muddy materials. The spiral conveyor is reasonable in structure and high in practicability, and the problems of material accumulation, wall adhesion and the like in the conveying process are solved while uniform and efficient conveying of muddy materials is realized.

In order to achieve the purpose, the gear roller type crushing device is arranged in the blanking pipe of the feeding hopper, so that the purpose of uniformly and continuously conveying the muddy materials is realized, and the conveying efficiency is improved; the vibrating motor is arranged on the side wall of the discharge hopper, so that the smooth blanking of the muddy materials is ensured, and the problem of material accumulation in the conveying process is solved; the bottom of the spiral casing is provided with the high-pressure gas purging device with adjustable flow, so that the water content of the material is reduced, the resistance formed by the viscoplasticity of the high-pressure gas purging device is reduced, the flowability of the material is improved, the conveying efficiency is further improved, the material accumulation condition is improved, and the cleaning effect is achieved on the conveying blades and the inside of the casing.

The concrete structure is as follows:

the utility model provides a dedicated screw conveyer of muddy material, includes spiral casing, feeder hopper, goes out hopper, shaftless helical blade, carries driving motor and sweeps the device, and the one end of spiral casing outside is equipped with the feeder hopper, and one end is equipped with out the hopper in addition, is equipped with shaftless helical blade in the spiral casing, shaftless helical blade and transport driving motor, and its structural feature is: the spiral shell consists of a U-shaped groove shell and an upper cover plate, the upper cover plate and the U-shaped groove shell are connected into a whole by bolts, and the upper cover plate can be detached during cleaning or maintenance; the feed hopper arranged above the outer side of one end of the spiral shell is a feed hopper containing a crushing device; a vibrating motor is arranged on the outer wall of the discharge hopper below the outer side of the other end of the spiral shell; and an air inlet is formed below the side wall surface of the U-shaped groove shell of the spiral shell at the same end with the feed hopper, and is connected with a purging device which is arranged outside the spiral shell.

The feed hopper with the crushing device comprises a hopper, a discharging pipe, a toothed roller, a crushing driving motor and a driving shaft. The blanking pipe is fixedly connected to the bottom of the hopper, two tooth rollers which are horizontally arranged in parallel and have the same radius are arranged in the blanking pipe, the shapes of roller teeth uniformly distributed on the circumferential surfaces of the tooth rollers are conventional, the roller teeth of the two tooth rollers are meshed with each other, and a gap of 5mm-50mm is reserved (the size of the gap is determined according to the size, the property and the requirement of raw materials). The blanking pipe is a dissimilatory rectangular through pipe, the dissimilatory refers to the fact that two symmetrical pipe surfaces with longer side lengths bulge outwards to form a semicircle matched with the shape of an internal crushing device, the gap between the inner wall of the blanking pipe and the roller teeth of the gear rollers is 2-20 mm, a driving shaft is arranged at the center of each gear roller, one end of each driving shaft of each gear roller is connected with a crushing driving motor, the crushing driving motors are fixedly connected to the outer wall of the pipe surface with the shorter side length of the blanking pipe, the other end of each driving shaft is connected with a bearing, the bearing is fixedly connected with the other pipe surface wall with the shorter side length of the blanking pipe, the dimension of the shorter side length is equal to or smaller than the distance between the central axes of the two gear rollers (the purpose is that materials can directly fall between the two gear rollers for crushing during blanking), and the dimension of the longer side length is 5-50 mm longer.

The bottom end of the tube wall of the blanking tube is fixedly connected with the spiral shell through bolts or welding; starting a power supply, driving a gear roller to rotate oppositely by a driving shaft, and finishing primary crushing before conveying the pug;

the purging device comprises an air inlet pipeline, a flow valve, a high-pressure air pump and a filter, wherein the flow valve is arranged on the air inlet pipeline and aims to adjust the flow rate of high-pressure air entering the spiral shell so as to meet the use requirements under different conditions; one end of the air inlet pipeline is connected with an air inlet of the spiral conveyor, and the other end of the air inlet pipeline is connected with an air outlet of the high-pressure air pump; the air inlet of the high-pressure air pump is connected with the filter, and the purpose of the high-pressure air pump is to filter impurities in the air so as to avoid damaging equipment.

The utility model has the advantages that:

1. because the utility model discloses a be equipped with breaker in the feeder hopper, carry out a preliminary breakage to the cubic mud material that is about to get into screw conveyor, consequently, realized evenly stably, continuously carry the argillaceous material purpose, improved conveying efficiency.

2. Because the utility model discloses an outer wall consolidation vibrating motor of play hopper promotes the unloading through vibrating motor high-frequency vibration, avoids material adhesion, blocks up the hopper, and it is smooth and easy to have ensured that the blanking of argillaceous material is smooth and easy, has overcome the difficult difficulty that removes of long-pending material in the transportation process.

3. Because the utility model discloses set up and swept the device, the high compression pump that should sweep the device sets up the flow valve, adjusts the high-pressure gas velocity of flow that gets into spiral shell to satisfy the user demand under the different conditions, and through the filter that high compression pump connects, impurity among the filtered air, in order to avoid damaging conveying equipment, guarantee screw conveyer's operation safety.

4. The utility model provides a among the transportation process that characteristics such as muddy material moisture content is high, viscoplasticity, easy caking caused helical blade card shell, block up, problem that conveying efficiency is low has realized that the screw conveyer cavity is inside to erode clean easy target with the blade, has reduced driving motor power, has practiced thrift the energy consumption, has improved screw conveyer life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view a-a of the screw housing 1 of fig. 1.

Fig. 3 is a top view of the feed hopper of fig. 1 containing a crushing device.

In fig. 1, 2 and 3:

1-spiral shell, 1-U-shaped groove shell, 1-2-upper cover plate, 1-3-bolt, 2-feed hopper containing crushing device, 2-1-hopper, 2-blanking pipe, 2-3-toothed roller, 2-4-crushing driving motor, 2-5 driving shaft, 3-driving roller, 4-conveying driving motor, 5-purging device, 5-1-filter, 5-2-high-pressure air pump, 5-3-flow valve, 5-4-air inlet pipeline, 6-air inlet, 7-shaftless spiral blade, 8-vibrating motor, 9-discharge hopper

Detailed description of the invention

The structure of the screw conveyor special for the muddy material of the present invention is further described by the following specific embodiments:

fig. 1, fig. 2 and fig. 3 show a screw conveyor of the present invention designed to meet the objective of conveying and processing muddy materials. Firstly, a shaftless helical blade 7, a vibration motor 8, a conveying driving motor 4, a driving roller 3, a crushing driving motor 2-4, a high-pressure air pump 5-2 and a flow valve 5-3 are purchased according to the design specification requirement.

Then, a spiral shell 1, a feed hopper 2 containing a crushing device, a discharge hopper 9, an air inlet 6 and a blowing device 5 are manufactured.

Manufacturing the spiral casing 1 and the air inlet 6:

and forming the U-shaped groove shell 1-1 according to the specification required by design. The upper cover plate 1-2 is fixedly connected with the U-shaped groove shell 1-1 through bolts 1-3 on the U-shaped groove shell 1-1, so that the upper cover plate 1-2 becomes detachable, and the purpose is to facilitate the maintenance and manual cleaning of the interior of the spiral shell 1.

Commercially available shaftless helical blades 7, a transmission roller 3 and a conveying driving motor 4 are sequentially connected and have the same axis, wherein the shaftless helical blades 7 are arranged at the central position in the helical casing 1, and the transmission roller 3 and the conveying driving motor 4 are sequentially arranged on the outer wall surface of the right side wall of the U-shaped groove casing 1-1 of the helical casing 1 and are fixedly connected with the right side wall surface of the U-shaped groove casing 1-1.

The air inlet 6 is arranged below the wall surface of the right side wall of the U-shaped groove shell 1-1.

Manufacturing a feed hopper 2 containing a crushing device:

in order to control the feed rate, carry out a preliminary breakage to the cubic mud material that is about to get into auger delivery simultaneously to realize stable transport, the utility model discloses design feeder hopper 2 into the feeder hopper 2 that contains breaker. The feed hopper 2 with the crushing device comprises a hopper 2-1, a blanking pipe 2-2, a gear roller 2-3, a crushing driving motor 2-4 and a driving shaft 2-5. The bottom end of the hopper 2-1 is fixedly connected with the top end of the blanking pipe 2-2, and two gear rollers 2-3 which are horizontally arranged in parallel and have the same radius are arranged in the blanking pipe 2-2. The blanking pipe 2-2 is a dissimilarly rectangular through pipe, the dissimilarly is that two symmetrical pipe surfaces with longer side length bulge outwards to form a semicircle matched with the shape of an internal crushing device, and the gap between the inner wall of the blanking pipe and the roller teeth (crushing teeth) of the gear roller of the crushing device is a fixed value of 10 mm. The roller teeth of any conventional shape are uniformly distributed on the circumferential surfaces of the two toothed rollers, the roller teeth of the two toothed rollers are meshed with each other and are provided with a gap of 5mm (the size of the gap is determined according to the size, the property and the requirement of raw materials), the centers of the two toothed rollers 2-3 are respectively provided with a driving shaft 2-5, one end of the driving shaft 2-5 is connected with a crushing driving motor 2-4, the two crushing driving motors 2-4 are fixedly connected on the outer wall of the pipe surface of the blanking pipe 2-2 with shorter side length, the other ends of the two driving shafts 2-5 are connected with a bearing, the bearing is fixedly connected on the wall of the other pipe surface with shorter side length, the side length of the shorter side is equal to or less than the distance between the, the purpose is that the material can directly fall between two tooth rollers 2-3 for crushing when being discharged, and the length of the longer side is 20mm longer than that of the tooth rollers.

Manufacturing of the purging device 5:

the blowing device 5 is arranged outside the spiral casing 1, and the blowing device 5 is connected with the air inlet 6 through an air inlet pipeline 5-4. The air inlet pipeline 5-4 is connected with an outlet of a high-pressure air pump 5-2 through a flow valve 5-3, an inlet of the high-pressure air pump 5-2 is connected with a filter 5-1, and the purpose is to adjust the flow rate of high-pressure air entering the spiral shell 1-1 through the flow valve 5-3 so as to meet the requirements of reducing the moisture content of materials and improving the flowability of the materials, filter impurities in air and avoid damaging a spiral conveyor.

The discharge hopper 9 is arranged below the U-shaped groove shell 1-1 at the left end of the spiral casing 1, and the vibration motor 8 is arranged on the outer wall of the discharge hopper 9, so that the discharge is promoted through high-frequency vibration, and the adhesion and blockage of materials on the hopper are avoided.

The working principle is as follows:

the power supply is started, the two crushing driving motors 2-4 drive the driving shafts 2-5 in the discharging pipes 2-2 to rotate, the two gear rollers 2-3 oppositely rotate, the roller teeth in any conventional shape are uniformly distributed on the circumferential surfaces of the gear rollers 2-3 to be meshed with each other, the muddy materials entering the feeding hopper 2 are meshed and extruded, the primary crushing before the muddy materials are conveyed is completed, and the muddy materials are uniformly, stably and continuously scattered into the spiral shell 1. Then the muddy material is carried out the hopper 9 by shaftless helical blade 7 in the spiral casing 1, and the vibrating motor 8 high-frequency vibration that sets up on the outer wall of hopper 9 promotes the unloading, avoids material adhesion, blocks up the hopper. The purging device 5 conveys appropriate high-pressure gas into the spiral shell 1 according to process requirements, so that the cavity of the spiral conveyor and blades are flushed and cleaned, the water content and the conveying resistance of sticky and wet muddy materials can be reduced to a certain degree, the power of the motor is reduced, the energy consumption is saved, and the conveying efficiency and the service life of the spiral conveyor are improved.

Claims

1. The utility model provides a dedicated screw conveyer of muddy material, includes spiral casing (1), feeder hopper (2), goes out hopper (9), shaftless helical blade (7), carries driving motor (4) and sweeps device (5), characterized by: the spiral shell (1) consists of a U-shaped groove shell (1-1) and an upper cover plate (1-2), the upper cover plate and the U-shaped groove shell are connected into a whole by bolts (1-3), and the upper cover plate can be detached during cleaning or maintenance; the feed hopper (2) is a feed hopper containing a crushing device; the outer wall of the discharge hopper (9) is provided with a vibration motor (8); an air inlet (6) is formed below the side wall surface at the right end of the U-shaped groove shell 1-1 of the spiral shell (1) which is positioned at the same end with the feed hopper (2), the air inlet (6) is connected with a purging device (5), and the purging device (5) is arranged on the outer side of the spiral shell (1).

2. The screw conveyor special for the muddy material according to claim 1, characterized in that: the feeding hopper (2) with the crushing device comprises a hopper (2-1), a feeding pipe (2-2), gear rollers (2-3), a crushing driving motor (2-4) and a driving shaft (2-5), wherein the feeding pipe (2-2) is fixedly connected to the bottom of the hopper (2-1), two gear rollers (2-3) which are horizontally arranged in parallel and have the same radius are arranged in the feeding pipe (2-2), the gear teeth uniformly distributed on the circumferential surface of the gear rollers (2-3) are in a conventional shape, the gear teeth of the two gear rollers (2-3) are meshed with each other and are provided with a gap of 5-50 mm, the feeding pipe (2-2) is in a dissimilated rectangular through pipe, and dissimilarity means that two symmetrical pipe surfaces with longer side length bulge outwards to form a semicircle matched with the shape of the internally arranged crushing device, and the gap between the inner wall of the blanking pipe (2-2) and the roller teeth of the gear rollers (2-3) is 2-20 mm, the center of the gear rollers (2-3) is provided with a driving shaft (2-5), one end of the driving shaft (2-5) is connected with a crushing driving motor (2-4), the crushing driving motor (2-4) is fixedly connected on the outer wall of the pipe surface of the blanking pipe (2-2) with shorter side length, the other end of the driving shaft (2-5) is connected with a bearing, the bearing is fixedly connected with the other pipe surface wall of the blanking pipe (2-2) with shorter side length, the size of the shorter side length is equal to or less than the distance between the central axes of the two gear rollers (2-3), and the size of the longer side length is 5-50 mm longer than the length of the gear rollers (2-3.

3. The screw conveyor special for the muddy material according to claim 1, characterized in that: the blowing device (5) comprises an air inlet pipeline (5-4), a flow valve (5-3), a high-pressure air pump (5-2) and a filter (5-1), one end of the air inlet pipeline (5-4) is connected with an air inlet (6) of the screw conveyer, the other end of the air inlet pipeline is connected with an air outlet of the high-pressure air pump (5-2), the flow valve (5-3) is arranged on the air inlet pipeline (5-4), and the filter (5-1) is connected with an air inlet of the high-pressure air pump (5-2).