CN209796382U - Dried sludge storage and conveying equipment - Google Patents

Abstract

the utility model discloses a dried sludge storage and conveying device, wherein an auxiliary wall component is arranged at the middle part of a storage round bin around the inner wall, and comprises a plurality of slope-shaped bulges distributed on the inner wall of the storage round bin; vice wall subassembly below is equipped with the activation awl subassembly, the activation awl subassembly is including the activation centrum, and the vertex of a cone of activation centrum is up, and the awl end of the activation centrum is parallel with the bottom plate in storage silo, the activation centrum erects in storage silo through the many connecting rods that set up around its axis, it dials the material device to encircle the delivery port in the storage silo. The combined action of the auxiliary wall component and the activation cone component of the utility model can automatically eliminate the phenomena of arching and bridging of sludge in the bin during the conveying process, the material self-flow effect is obvious, the discharging speed is stable, and the conveying production efficiency is high; because sludge cannot be retained in the equipment, the damage to the equipment is reduced, the workload of maintenance is reduced, and the harm to the health of maintenance personnel is reduced.

Description

Dried sludge storage and conveying equipment

Technical Field

The utility model relates to a mummification mud is stored and conveying equipment belongs to mud warehousing and transportation field.

Background

At present, the storage equipment for solid waste materials such as sludge and waste residues mainly comprises a rectangular bin and a circular bin, and the dried sludge mainly has the following characteristics due to the particularity of media of the dried sludge:

1. The water content is less than or equal to 35 percent, the particles are mostly in a particle state under dynamic or static state, the particle size is not uniform, the particles are mixed into blocks with higher strength, and the blocks are easy to arch and bridge in the storage process, are bonded into blocks and form rat holes;

2. The sludge usually contains various harmful components such as germs, microorganisms, heavy metals and the like, and is improper to treat and easy to cause secondary pollution.

The circular storage bin has the advantages of high structural strength, low manufacturing cost, small occupied space and the like, and is widely applied, but due to the characteristics of the sludge, the sludge is easy to arch and bridge in the bin, so that the fluidity of the sludge is reduced, and the normal conveying is influenced; and the agglomerated and arched sludge may cause damage and harm to equipment and maintenance personnel.

Disclosure of Invention

To the problem that above-mentioned prior art exists, the utility model aims at providing a mummification mud is stored and conveying equipment, and mud is stored and can not arch up the bridge in the storehouse, can guarantee the mobility of mud, do not influence normal transport, and can reduce mud to equipment, maintenance personnel's damage and harm.

In order to achieve the above object, the utility model adopts the following technical scheme: the dried sludge storage and conveying equipment comprises a storage silo, wherein a conveying port is formed in a bottom plate of the storage silo, an auxiliary wall assembly is arranged in the middle of the storage silo around the inner wall of the storage silo, and the auxiliary wall assembly comprises a plurality of slope-shaped bulges distributed on the inner wall of the storage silo; vice wall subassembly below is equipped with the activation awl subassembly, the activation awl subassembly is including the activation centrum, and the vertex of a cone of activation centrum is up, and the awl end of the activation centrum is parallel with the bottom plate in storage silo, the activation centrum is erect in storage silo through the many connecting rods that set up around its axis, and connecting rod one end is fixed on the conical surface, and the other end is fixed on storage silo inner wall, it is equipped with around the transport port and dials the material device to encircle in the storage silo.

Further, the storage circular bin is arranged on an overhauling platform, a lower overhauling manhole is arranged on the side wall of the storage circular bin close to the bottom plate, the upper overhauling manhole is arranged on the top plate of the storage circular bin, and a bin top crawling ladder is arranged outside the side wall of the storage circular bin. When the interior breaks down, a maintainer can climb onto the maintenance platform through the platform crawling ladder and open a lower maintenance manhole hole to maintain the interior; when the inner side of the top of the storage circular bin needs to be overhauled, the storage circular bin climbs to the top plate through the bin top crawling ladder, and an upper overhauling manhole is opened to enter the storage circular bin for overhauling. The storage silo is arranged on the maintenance platform and is at a certain distance from the ground, so that on one hand, a sludge treatment device is conveniently arranged below the bottom plate to carry out subsequent treatment on the sludge output from the conveying port; on the other hand, the probability of contact between people and sludge is reduced, and the harm to the human body is reduced.

Preferably, in order to improve the safety of the maintenance operation, the maintenance platform is provided with a platform guardrail around the edge.

The material poking device can adopt a rectangular hydraulic pusher and a circular hydraulic kickoff commonly used in the prior art. Preferably, the material shifting device comprises material shifting bent arms symmetrically arranged on the bottom plate by taking the conveying opening as a center, and the material shifting bent arms are driven to rotate by a motor below the bottom plate. The output shaft of motor is connected with group's material curved boom one end, can drive after the start and dial the rotation of material curved boom, dials the material curved boom wholly to mud pass fast, cut and push away mud to the delivery port and export mud from the storage silo fast through the delivery port, is further favorable to eliminating the phenomenon of hunch-up, bridging in the storehouse.

In a more preferable embodiment, the motor is a variable frequency motor. The variable-frequency motor enables the material stirring rotating speed to be adjustable, and the production rate is guaranteed to meet the process beat of the whole production system at any time.

Preferably, the storage circular bin is made of low-alloy wear-resistant steel, and the inner wall surface of the storage circular bin, which is in contact with the material, is provided with a wear-resistant 304 stainless steel plate. The low-alloy wear-resistant steel has high strength and can resist the impact of sludge, and the 304 stainless steel plate arranged on the inner wall is corrosion-resistant, so that the service life is prolonged.

Preferably, the material shifting bent arm is made of high-manganese alloy steel, so that the material shifting bent arm is high in strength and rigidity, has high material shifting capacity, and can ensure continuous output of materials.

the dried sludge is conveyed into a storage silo to be stored, and the material is continuously output outwards from a conveying port at the center of the bottom of the silo under the action of self gravity. In the process that the material flows from top to bottom by means of the self gravity of the material, the sludge can touch the slope-shaped convex surface of the auxiliary wall component, and the sludge is dispersed by the slope-shaped convex surface in the process of contacting with the auxiliary wall component, so that the vertical falling and accumulation of the sludge are avoided, and the center of gravity of the material arching and bridging along the circumferential direction in the bin is always positioned at a position deviated from the center of the material storage circular bin; when the sludge falls onto the lower activating cone, the conical surface of the activating cone has normal and tangential impact forces on the sludge block, so that the flow of the sludge along the conical surface is promoted, the fluidity of the sludge is improved, and the phenomena of arching and bridging of the sludge in the storage bin are avoided.

Compared with the prior art, the utility model discloses there is following advantage:

(1) The utility model designs the auxiliary wall component and the activation cone component in the storage round bin, and utilizes the auxiliary wall component to disperse sludge blocks, thereby avoiding the vertical falling and accumulation of sludge, and the impact of a plurality of slope-shaped bulges ensures that the material is always positioned at a position deviating from the center of the storage round bin along the arching and bridging of the circumferential direction in the bin; normal and tangential impact force is generated on the sludge block by the activated cone, so that the flow of the sludge along the conical surface is promoted, the fluidity of the sludge is improved, and the phenomena of arching and bridging of the sludge in the storage bin are avoided. The combined action of the two points can automatically eliminate the phenomena of arching and bridging of the sludge in the bin in the conveying process, and the material self-flowing effect is obvious.

(2) The sludge is not bonded, the fluidity is good, the load on the kick-out device is small, so that the kick-out device can stably and normally operate, the discharging speed is stable, and the conveying production efficiency is high; the kick-out device can generate larger output torque by using smaller power and lower rotating speed, thereby rapidly pushing, shearing and outputting the materials and further eliminating the phenomena of arching and bridging in the bin.

(3) The auxiliary wall assembly and the activation cone increase the system rigidity of the whole circular bin, and the impact pressure of direct falling of sludge on the bottom stirring device is relieved and avoided.

(4) Because the phenomena of sludge caking and arching bridging are eliminated, sludge cannot be retained in the equipment, the damage to the equipment is reduced, the workload of maintenance is reduced, the maintenance is facilitated, and the harm to the health of maintenance personnel is reduced.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

Fig. 2 is a schematic structural view of another angle of the present invention;

in the figure, 1, a material storage circular bin, 11, a bottom plate, 12, a conveying port, 13, a top plate, 14, a lower maintenance manhole, 15, an upper maintenance manhole, 16, a platform ladder, 17, a bin top ladder, 21, a slope-shaped bulge, 31, an activation cone, 32, a connecting rod, 41, a motor, 42, a material shifting bent arm, 9, a maintenance platform and 91, a platform guardrail are arranged.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in the figure, the drying sludge storage and conveying equipment comprises a storage circular bin 1, wherein a conveying port 12 is formed in a bottom plate 11 of the storage circular bin 1, an auxiliary wall assembly is arranged in the middle of the storage circular bin 1 around the inner wall of the storage circular bin, and the auxiliary wall assembly comprises a plurality of slope-shaped protrusions 21 distributed on the inner wall of the storage circular bin 1; vice wall subassembly below is equipped with the activation awl subassembly, the activation awl subassembly is including activation centrum 31, and the apex of a cone of activation centrum 31 is up, and the awl end of activation centrum 31 is parallel with bottom plate 11 of storage silo 1, activation centrum 31 erects in storage silo 1 through many connecting rods 32 that encircle its axis setting, and connecting rod 32 one end is fixed on the conical surface, and the other end is fixed on 1 inner wall of storage silo, 1 interior encircleing of storage silo is equipped with around transport port 12 and dials the material device.

Further, the storage circular bin 1 is arranged on an overhauling platform 9, a lower overhauling manhole 14 is arranged on the side wall of the storage circular bin 1 close to the bottom plate 11, an upper overhauling manhole 15 is arranged on the top plate 13 of the storage circular bin 1, and a bin top crawling ladder 17 is arranged outside the side wall of the storage circular bin 1. When the interior has a fault, a maintainer can climb onto the maintenance platform 9 through the platform ladder stand 16 and open the lower maintenance manhole 14 to maintain the interior; when the inner side of the top of the storage circular bin 1 needs to be overhauled, the storage circular bin climbs to the top plate 13 through the bin top crawling ladder 17, and the upper overhauling manhole 15 is opened to enter the overhauling hole. The storage silo 1 is arranged on the maintenance platform 9 and is at a certain distance from the ground, so that on one hand, a sludge treatment device is arranged below the bottom plate 11 to carry out subsequent treatment on sludge output from the conveying port 12; on the other hand, the probability of contact between people and sludge is reduced, and the harm to the human body is reduced.

Preferably, in order to improve the safety of the maintenance operation, the maintenance platform 9 is provided with a platform guardrail 91 around the edge.

The material poking device can adopt a rectangular hydraulic pusher and a circular hydraulic kickoff commonly used in the prior art. Preferably, the material shifting device comprises material shifting bent arms 42 symmetrically arranged on the bottom plate 11 by taking the conveying opening 12 as a center, and the material shifting bent arms 42 are driven by a motor 41 below the bottom plate 11 to rotate. The output shaft of the motor 41 is connected with one end of the material shifting bent arm 42, the material shifting bent arm 42 can be driven to rotate after being started, the material shifting bent arm 42 can rapidly push and shear the sludge and push the sludge to the conveying port 12, and the sludge is rapidly output from the material storage circular bin 1 through the conveying port 12, so that the phenomena of arching and bridging in the bin can be further eliminated.

In a more preferable embodiment, the motor 41 is a variable frequency motor 41. The variable-frequency motor 41 enables the material stirring rotating speed to be adjustable, and the production rate is guaranteed to be in line with the process rhythm of the whole production system at any time.

Preferably, the material storage circular bin 1 is made of low-alloy wear-resistant steel, and the inner wall surface of the material storage circular bin 1, which is in contact with the material, is provided with a wear-resistant 304 stainless steel plate. The low-alloy wear-resistant steel has high strength and can resist the impact of sludge, and the 304 stainless steel plate arranged on the inner wall is corrosion-resistant, so that the service life is prolonged.

Preferably, the material shifting bent arm 42 is made of high-manganese alloy steel, has high strength and rigidity and strong material shifting capacity, and can ensure the continuous output of materials.

The working process is as follows: the dried sludge is conveyed into a material storage silo 1 for storage, and the material is continuously output outwards from a conveying port 12 at the center of the bottom of the silo under the action of self gravity. In the process that the material flows from top to bottom by means of the self gravity of the material, the sludge can touch the surface of the slope-shaped bulge 21 of the auxiliary wall component, and the sludge is dispersed by the slope-shaped bulge 21 in the process of contacting with the auxiliary wall component, so that the vertical falling and accumulation of the sludge are avoided, and the center of gravity of the material, which is arched and bridged along the circumferential direction in the storage bin, is always positioned at a position deviated from the center of the storage circular bin 1; when the sludge falls onto the lower activating cone, the conical surface of the activating cone 31 has impact force in two directions of normal direction and tangential direction to the sludge block, so that the flow of the sludge along the conical surface is promoted, the fluidity of the sludge is improved, and the phenomena of arching and bridging of the sludge in the storage bin are avoided.

Claims (7)

1. The drying sludge storage and conveying equipment comprises a storage circular bin (1), wherein a conveying port (12) is formed in a bottom plate (11) of the storage circular bin (1), and is characterized in that an auxiliary wall assembly is arranged in the middle of the storage circular bin (1) in a surrounding mode around the inner wall and comprises a plurality of slope-shaped bulges (21) distributed on the inner wall of the storage circular bin (1); vice wall subassembly below is equipped with the activation awl subassembly, the activation awl subassembly is including activation centrum (31), and the vertex of a cone of activation centrum (31) up, and the awl end of activation centrum (31) is parallel with bottom plate (11) of storage silo (1), the activation centrum (31) are erect in storage silo (1) through many connecting rods (32) that encircle its axis setting, and connecting rod (32) one end is fixed on the conical surface, and the other end is fixed on storage silo (1) inner wall, storage silo (1) inner ring is equipped with around transport port (12) and dials the material device.

2. The drying sludge storage and conveying equipment as claimed in claim 1, wherein the storage circular bin (1) is arranged on an overhaul platform (9), a lower overhaul manhole (14) is arranged on the side wall of the storage circular bin (1) near the bottom plate (11), an upper overhaul manhole (15) is arranged on the top plate (13) of the storage circular bin (1), and a bin top ladder (17) is arranged outside the side wall of the storage circular bin (1).

3. The dried sludge storage and delivery apparatus according to claim 2, wherein the service platform (9) is provided with platform guardrails (91) around the edges.

4. The dried sludge storage and conveying equipment according to claim 1, wherein the material shifting device comprises material shifting bent arms (42) symmetrically arranged on the bottom plate (11) by taking the conveying opening (12) as a center, and the material shifting bent arms (42) are driven by a motor (41) below the bottom plate (11) to rotate.

5. the dried sludge storage and delivery apparatus according to claim 4, wherein the motor (41) is a variable frequency motor (41).

6. The dried sludge storage and conveying equipment as claimed in claim 1, wherein the storage silo (1) is made of low-alloy wear-resistant steel, and the inner wall surface of the storage silo (1) contacting with the material is provided with a wear-resistant 304 stainless steel plate.

7. The dried sludge storage and delivery apparatus according to claim 4, wherein the kickoff horn (42) is made of high manganese alloy steel.