CN219722134U - Leaching device and filter screen plate cleaning device thereof - Google Patents

Abstract

The utility model belongs to the technical field of grease leaching devices. Leaching ware filtration sieve belt cleaning device includes: filtering the sieve plate; the cleaning device is arranged at the bottom of the filtering sieve plate and is used for cleaning the bottom of the filtering sieve plate; the cleaning device includes: a pump; the main pipe is connected with the output end of the pump; the cleaning assembly comprises a flushing pipe and a spray head arranged on the flushing pipe, the flushing pipe is arranged at the bottom of the filtering sieve plate along the width direction of the filtering sieve plate, and the cleaning assembly is connected with the main pipe through a branch pipe assembly. The leacher comprises the leacher filtering screen plate cleaning device. The utility model is used for solving the technical problem of the blockage of the filter screen plate gap of the leacher.

Description

Leaching device and filter screen plate cleaning device thereof

Technical Field

The utility model belongs to the technical field of grease leaching devices, and particularly relates to a cleaning device for a filtering screen plate of a leacher and the leacher comprising the cleaning device.

Background

At present, most of the various leaches on the market are separated by extraction, and liquid separated from materials passes through a filtering sieve plate, so that solid materials are blocked on the filtering sieve plate, and the liquid falls into a collecting hopper below the sieve plate through a gap of the filtering sieve plate. The leaching equipment can process various solid materials, and one material has a plurality of forms, so that the filtration rate of the filtering sieve plate needs to reach a certain percentage, and the specific distance of the clearance of the filtering gap is also determined, so that the filtering effect can be ensured. The filtered liquid (such as mixed oil or mixed syrup) contains crushed pulp and powder, and when the crushed pulp and the powder pass through the gaps of the filtering sieve plate, the crushed pulp and the powder possibly adhere to the lower surface of the filtering sieve plate, and when the accumulated oil is more, the gaps of the filtering sieve plate are blocked, so that the filtering effect is reduced or even interrupted. After the solid materials on the filtering screen plate are emptied, the upper surface of the filtering screen plate is circularly washed by spraying, so that a certain cleaning effect is achieved, and the adhesion materials on the upper part of the bottom of the filtering screen plate cannot be taken away. The location or size of the gaps that may form the filter screen deck plugs is not certain, and it is desirable to be able to cover these non-certain places. In addition, considering the requirement of the equipment operation environment, the safety and stability are the precondition, and the following points are met when the use requirement is met: 1. reduce the complexity of washing the structure, 2, reduce the maintenance frequency, 3, improve the simple operation, 4, can not cause the pollution of wasting of resources and environment.

Disclosure of Invention

The first object of the utility model is to provide a cleaning device for a filtering screen plate of a leacher, which solves the technical problem of gap blockage of the filtering screen plate.

In order to solve the technical problems, the utility model adopts the following technical scheme that the cleaning device for a filtering sieve plate of a leacher is characterized by comprising the following components:

filtering the sieve plate;

the cleaning device is arranged at the bottom of the filtering sieve plate and is used for cleaning the bottom of the filtering sieve plate; the cleaning device includes:

a pump;

the main pipe is connected with the output end of the pump;

the cleaning assembly comprises a flushing pipe and a spray head arranged on the flushing pipe, the flushing pipe is arranged at the bottom of the filtering sieve plate along the width direction of the filtering sieve plate, and the cleaning assembly is connected with the main pipe through a branch pipe assembly.

The utility model pumps the flushing liquid into the main pipe through the pump, is pressed into the flushing pipe through the branch pipe assembly, is realized below the sieve plate through the spray head, and can flush the bottom of the sieve plate from bottom to top to clean residues at the bottom of the sieve plate.

In order to solve the technical problem how to realize the branch pipe assembly, the utility model adopts the following technical scheme that the branch pipe assembly comprises:

the first branch pipe is connected with the main pipe, and a first valve is arranged on the first branch pipe;

the input end of the second branch pipe is connected with the first branch pipe through a connecting pipe, and the output end of the second branch pipe is connected with a flushing pipe of the cleaning assembly; and a second valve is arranged on the connecting pipe.

The utility model opens the first valve on the first branch pipe, the flushing liquid enters the first branch pipe, at this time, the flushing liquid fills the inner space of the whole first branch pipe, because the second valve is arranged on the connecting pipe between the second branch pipe and the first branch pipe, when the screen plate of a certain unit needs to be flushed, the valve of the corresponding unit pipeline is opened, the flushing liquid is pressed into the flushing pipe due to pressure, and the flushing liquid can flush the screen plate from bottom to top through the nozzle under the screen plate, and the residues at the bottom of the screen plate are cleaned.

In order to solve the technical problem that two sets of flushing devices are needed for flushing the upper filter plate and the lower filter plate simultaneously, the utility model adopts the following technical scheme that the number of the first branch pipes on the main pipe is two or more than two; the number of the second branch pipes on the first branch pipe is two, three or more than three. The utility model has the advantages that the main pipe is provided with the plurality of first branch pipes, the upper and lower filtering sieve plates can be simultaneously washed by using one pump, the washing efficiency is high, and the cost is low. According to the utility model, the plurality of second branch pipes are arranged on the first branch pipe, and the second valve is arranged between the first branch pipe and the second branch pipe, so that a flushing area can be partitioned, a certain area is mainly flushed, the flushing effect is improved, and the problem that the flushing effect is not ideal due to water pressure dispersion is avoided.

In order to solve the technical problem that the flushing effect of a single cleaning component is not ideal, the utility model adopts the following technical scheme that the number of the cleaning components on the second branch pipe is two, three or more. The utility model arranges a plurality of cleaning components on the second branch pipe side by side, and two adjacent cleaning components are crossed, so that all parts of the sieve plate can be washed, and the washing effect is ensured.

In order to solve the technical problem that the spray heads are less and the flushing effect is not ideal, the utility model adopts the following technical scheme that the number of the spray heads on the flushing pipe is three or more. The utility model arranges a plurality of spray heads on the flushing pipe side by side, and the flushing areas of two adjacent spray heads are crossed, so that all parts of the sieve plate can be flushed, and the flushing effect is ensured.

In order to solve the technical problem of poor rigidity of the cleaning assembly, the utility model adopts the following technical scheme that a supporting piece is arranged at the bottom of the flushing pipe. The lower parts of a plurality of flushing pipes are supported by supporting rods, so that the integral rigidity of the pipeline is ensured.

A first object of the present utility model is to provide a leacher comprising a cleaning device for a filter screen deck of a leacher as defined in any one of the preceding claims.

For the tail material turning of the annular leacher, the material moves forward along with the chain scraper to reach the semicircular tail, the scraper supports the material to be brought to the lower layer, and the material turning structure has high requirements on the tail semicircular structure, in particular to the processing and the assembly of the semicircular arc guide rail. And such large circular arc segments are difficult to transport.

For the leacher with a box format, materials are in square material grids of one grid, and the materials are driven to move forward along with the forward movement of the material grids, and when the material grids move to a blanking chute, the materials fall into the chute and fall into the material grids at the lower layer. The blanking structure is easy to cause unsmooth blanking due to more parts, more accumulated materials and troublesome maintenance due to small space.

In order to solve the technical problems, the utility model adopts the following technical scheme that the leacher also comprises a shell, a head wheel, a tail wheel, a chain scraper conveying component arranged on the head wheel and the tail wheel, wherein the head wheel, the tail wheel and the chain scraper conveying component are arranged in the shell;

the filtering screen plate comprises an upper filtering screen plate and a lower filtering screen plate, and the upper filtering screen plate and the lower filtering screen plate are correspondingly arranged below the upper layer and the lower layer of the chain scraper conveying assembly;

and a material turning and blanking port is arranged between the end part of the upper filtering sieve plate and the tail wheel.

The wet meal with the local arching falls from the upper filtering sieve plate to the lower filtering sieve plate, and collides with a chain scraper to break up the arches; the wet meal falls from the right end of the filtering sieve plate, and the wet meal tissue turns over and loosens in the falling process and is recombined; after the interior of the loosened wet meal is recombined, the internal clearance is increased, so that the solvent is easy to permeate and the draining is more sufficient. The blanking space is large, and blanking is smooth and free from blocking; before the upper chain is meshed with the tail wheel, the material falls to the lower layer and does not rotate around the tail wheel along with the chain scraper, so that the bearing capacity of the chain scraper is reduced, the transmission efficiency is improved, and the mechanical failure is reduced.

Drawings

FIG. 1 is a schematic diagram of a cleaning apparatus for a filter screen plate of a leacher in accordance with the present utility model;

FIG. 2 is a front view of the airflow from adjacent drying temperature zones of the horizontal dryer air duct system of the present utility model;

FIG. 3 is a top plan view of the airflow from adjacent drying temperature zones of the horizontal dryer air duct system of the present utility model;

FIG. 4 is a schematic view of the internal structure of the extractor of the present utility model;

fig. 5 is a schematic view showing the external structure of the extractor of the present utility model.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Example 1

The working principle of the leacher is that the solid-liquid extraction is carried out, the materials are sprayed and soaked by the solvent, and then the draining process is carried out, and the mixed oil or the mixed syrup formed in the extraction process is filtered into the collecting hopper by the filtering sieve plate. The mixed liquid contains crushed pulp and powder, and when the mixed liquid passes through the filter screen plate, the mixed liquid adheres to the lower inclined surface of the filter screen plate, and when the mixed liquid is accumulated more, the mixed liquid can cause blockage of the filter screen gap.

As shown in fig. 1 to 3, the present embodiment provides a cleaning device for a filter screen plate of a leacher, comprising a filter screen plate 2 and a cleaning device 1.

The cleaning device 1 is arranged at the bottom of the filtering screen plate 2 and is used for cleaning the bottom of the filtering screen plate 2.

The cleaning device 1 comprises a pump 101, a main pipe 102, a manifold assembly and a cleaning assembly.

The main pipe 102 is connected with the outlet of the pump 101, and the inlet of the pump 101 is connected with a liquid conveying pipeline. The utility model is connected to the pump of the equipment to carry out the conveying of the flushing liquid, and does not need to additionally increase power to carry the flushing liquid, thereby saving energy consumption. The flushing liquid is fresh solvent for leaching by using the equipment, and the flushing of a single unit does not increase the solvent amount.

The manifold assembly comprises a first manifold 103, a second manifold 105, a connecting tube 104, a first valve 106, a second valve 107. The first branch pipe 103 is communicated with the main pipe 101, and a first valve 106 is arranged on the first branch pipe 101. The two ends of the second branch pipe 105 are closed, the input end of the second branch pipe is connected with the first branch pipe 103 through a connecting pipe 104, and the output end of the second branch pipe is connected with a flushing pipe 108 of the cleaning assembly through an elbow 111; a second valve 107 is provided on the connection pipe 104.

The utility model can flush the inner screen bottom only by opening the corresponding valve outside the equipment, thereby saving labor force.

The filtering screen plate can be of a single-layer structure or an upper and lower double-layer structure, and comprises an upper filtering screen plate 21 and a lower filtering bottom plate 22 to form a double-layer flushing system device. If the flushing device is of a double-layer structure, the flushing device can be stacked on the upper layer and the lower layer. As shown in fig. 3, in one embodiment, the number of first branch pipes 103 on the main pipe 102 is two. The two first branch pipes 103 are respectively provided with cleaning components for cleaning the bottoms of the upper filter screen plate 21 and the lower filter base plate 22.

In one embodiment, the number of second branches 105 on the first branch 103 is two, three or more.

In one embodiment, the number of cleaning assemblies on the second manifold 105 is two, three, or more. All the pipelines are connected in a sealing way, so that seepage is not generated, and the environment is not polluted.

The cleaning assembly includes a flush tube 108, a spray head 109 provided on the flush tube. The flushing pipe is arranged at the bottom of the filtering screen plate along the width direction of the filtering screen plate, and the cleaning component is connected with the main pipe through the branch pipe component. The flushing pipe level sets up, and its inside cavity is located filtering screen board below and is parallel with the screen end, and several flushing pipes are parallel to each other and at same horizontal plane, and flushing pipe length direction is perpendicular with the material walking direction, and the flushing pipe upper portion is opened there are several round holes, and several round hole direction is towards the screen board bottom to all have certain contained angle with the screen board bottom surface. The round hole is provided with a flushing nozzle capable of spraying flushing liquid, and the axis of the nozzle is concentric with the axis of the round hole.

The flushing pipe passes through the front side plate, the front end of the flushing pipe is contacted with the rear side plate, and the front side plate and the rear side plate are respectively welded with the flushing pipe. The length of the flushing pipe is determined by the total width of the filter screen deck. The fixed flushing pipeline does not have mechanical faults caused by movement. The flush tube, spray head, support bar are internal to the apparatus, the flush tube 108 is partially external to the apparatus, and the protruding tail end is connected to an elbow 111 in front of the front side plate.

The second branch pipe 105, the connection pipe 104, the second valve 107, the elbow 111, the flushing pipe 108 and the shower head 109 constitute one unit flushing line. The pipe diameters of the first branch pipe 103 and the second branch pipe 105 in the unit flushing pipeline are smaller than the pipe diameter of the main pipe 102.

In one embodiment, the number of spray heads 109 on the flush tube 108 is three or more. According to the utility model, each spray head corresponds to a specific flushing area, and the flushing areas of the spray heads are mutually intersected, so that the working efficiency is improved.

In one embodiment, a support 110 is provided at the bottom of the flush tube 109 to ensure the overall rigidity of the tubing.

The working process of the filter screen plate cleaning device of the leacher comprises the following steps: flushing fluid is pumped into the main pipe through the pump, a first valve of the first branch pipe is opened, the flushing fluid enters the first branch pipe, and the whole system device for flushing the filtering sieve plate consists of a plurality of flushing pipelines. When the bottom of the filtering sieve plate is washed, one unit washing pipeline is opened independently to realize washing.

When the bottom of the filtering sieve plate is washed, the washing can be carried out at any time or periodically during production.

The bottom flushing device of the filtering screen plate is arranged below the filtering screen plate, the flushing area of the fixing unit is divided according to the size of the leacher, and the bottom of the filtering screen plate can be flushed only by controlling the valve outside the equipment, so that extra labor is not required to be added, and the device is convenient and safe. The amount of solvent is not increased additionally due to the time-cell type flushing.

Example 2

In the current grease industry, the leaching equipment for the materials is mainly a leacher, when the materials in the leacher are pushed forward, continuous solvent spraying is carried out, the solvent gradually permeates from the surface layer of the materials to the middle part and the bottom, and then falls into an oil collecting hopper through a sieving seam.

For the tail material turning of the annular leacher, the material moves forward along with the chain scraper to reach the semicircular tail, the scraper supports the material to be brought to the lower layer, and the material turning structure has high requirements on the tail semicircular structure, in particular to the processing and the assembly of the semicircular arc guide rail. And such large circular arc segments are difficult to transport.

For the leacher with a box format, materials are in square material grids of one grid, and the materials are driven to move forward along with the forward movement of the material grids, and when the material grids move to a blanking chute, the materials fall into the chute and fall into the material grids at the lower layer. The blanking structure is easy to cause unsmooth blanking due to more parts, more accumulated materials and troublesome maintenance due to small space.

As shown in fig. 4 and 5, this embodiment provides a leacher, which includes a housing 7, a head pulley (not shown in the drawings) disposed in the housing 7, a tail pulley 4, a chain scraper conveying assembly disposed on the head pulley and the tail pulley, an upper filter screen 21, a lower filter screen 22, and a rotating shaft 5. The upper filtering screen plate, the lower filtering screen plate, the chain and the like are arranged inside the shell. The chain flight feeding assembly comprises a chain 8 and a flight 3. The center of the tail wheel 4 is provided with a rotating shaft 5. The bottoms of the upper filtering screen plate and the lower filtering screen plate are provided with the cleaning device of the filtering screen plate of the leacher of the embodiment 1. The upper filtering screen plate 21 is arranged below the upper chain scraper conveying assembly 8; the lower filter screen deck 22 is correspondingly disposed below the lower chain scraper conveyor assembly 8. A material turning and blanking port 7 is arranged between the end part of the upper filtering screen plate 21 and the tail wheel 4.

The material turning principle of the leacher is as follows: when the chain scraper conveying assembly runs to the tail end of the leacher, materials cannot rotate to the lower layer along with the scraper encircling the tail wheel, only the chain scraper independently rotates to the lower layer along with the tail wheel, and a material turning blanking port is formed between the end part of the upper filtering sieve plate and the tail wheel, so that a section of material falling space is formed between the tail wheel and the upper filtering sieve plate, the space distance of the material falling space exceeds the reference circle radius of the tail wheel, and when the scraper pushes the materials to the space distance, the materials directly fall to the lower filtering sieve plate. A chain scraper is arranged at the material falling point, and the falling material moves forward along with the chain scraper in the opposite direction of the upper layer. The width of the blanking space is the same as the inner width of the leacher shell. The blanking chute arranged like a box leacher can not influence the smooth blanking. The chain scraper which independently surrounds the tail wheel cannot rotate like the annular leacher scraper supporting material, so that the bearing is increased, and the mechanical efficiency is reduced.

The utility model discloses a leacher tail wheel which is positioned at the tail part of the leacher, a head wheel is arranged at the head part, when the head wheel is driven to rotate by a motor, a speed reducer and the like, the head wheel rotates to drive a chain meshed with the head wheel, a scraping plate fixed on a chain plate of the chain is driven to move forward together by the forward movement of the chain, a rotating shaft penetrates through a center hole of the tail wheel and is fixed on the tail wheel, gear teeth at the lower part of the tail wheel receive the pulling force transmitted by the head wheel through the chain and do tangential motion along a rotating reference circle, two ends of the rotating shaft are arranged on rolling bearings, the tail wheel can rotate around an axle center together along with the rotating shaft, and when the chain at the lower part of the tail wheel does tangential motion, the tail wheel is made to do circular motion, so as to drive the chain meshed with the right side of the tail wheel and the right side of the tail wheel. The rotary shaft is provided with a plurality of tail wheels, the left side of each tail wheel is provided with an upper filtering screen plate, the upper surface of each upper filtering screen plate is provided with a plurality of whole-ring chains, the number of the whole-ring chains is consistent with that of the tail wheels, the chains are in contact with the upper filtering screen plate and can move on the upper filtering screen plate, the scraping plates are arranged and fixed on the chains, the upper edges of the scraping plates face upwards, two chain pitches are arranged between every two scraping plates at intervals, the tail wheels rotate along with the rotary shaft, the tail wheels are provided with evenly distributed gear teeth, the chains rotate along with the gear teeth and do tangential motion along with the reference circle of the tail wheels, the upper chains are meshed with the tail wheels, the chains are separated from the tail wheels after the tail wheels rotate 180 degrees, and the chain scraping plates rotate onto the lower filtering screen plate. The engagement and separation of the chain and the tail wheel is kept continuous and uninterrupted. The lower filter screen plate is arranged below the tail wheel, after the chain scraper rotates 180 degrees, the upper edge of the scraper faces downwards and contacts with the lower filter screen plate, the left side of the tail wheel is provided with an upper filter screen plate, the right end of the upper filter screen plate and the tail wheel are provided with a distance which is a material falling distance, and wet meal can fall onto the lower filter screen plate.

According to the utility model, the upper layer material is freely dropped into the lower layer in a vertical blanking mode, so that the material is turned over and loosened. The scraper blade carries out 180 direction changes with the conveying chain by the tailwheel with the chain scraper blade, and the material is pushed forward, at last filter screen board and tailwheel interval a section distance for the material is walked to last filter screen board end and is fallen to lower filter screen board, if the material is because extrusion causes local arching when walking on the upper strata, then because chain scraper blade has a section distance with lower filter screen board when falling to the lower floor, the arching material can strike chain scraper blade, plays broken arch effect. In the falling process, the materials are separated and recombined, so that the overturning and loosening processes of the materials are realized, and the subsequent leaching and penetrating effects are ensured.

Claims (8)

1. Leaching ware filtration sieve belt cleaning device, characterized by includes:

filtering the sieve plate;

the cleaning device is arranged at the bottom of the filtering sieve plate and is used for cleaning the bottom of the filtering sieve plate; the cleaning device includes:

a pump;

the main pipe is connected with the output end of the pump;

the cleaning assembly comprises a flushing pipe and a spray head arranged on the flushing pipe, the flushing pipe is arranged at the bottom of the filtering sieve plate along the width direction of the filtering sieve plate, and the cleaning assembly is connected with the main pipe through a branch pipe assembly.

2. The leacher filter screen panel cleaning apparatus of claim 1, wherein the manifold assembly comprises:

the first branch pipe is connected with the main pipe, and a first valve is arranged on the first branch pipe;

the input end of the second branch pipe is connected with the first branch pipe through a connecting pipe, and the output end of the second branch pipe is connected with a flushing pipe of the cleaning assembly; and a second valve is arranged on the connecting pipe.

3. The leacher filter screen panel cleaning apparatus of claim 2, wherein the number of first branch pipes on the main pipe is two; the number of the second branch pipes on the first branch pipe is two, three or more than three.

4. A leacher filter screen panel cleaning apparatus as recited in claim 3, wherein the number of cleaning elements on the second manifold is two, three or more.

5. The apparatus of claim 4, wherein the number of spray heads on the flushing pipe is three or more.

6. The apparatus of claim 5, wherein the bottom of the flushing pipe is provided with a support.

7. A leacher comprising a leacher filtration screen cleaning apparatus as claimed in any one of claims 1 to 6.

8. The leacher according to claim 7, wherein the leacher further comprises a housing, a head wheel, a tail wheel, a chain scraper conveyor assembly disposed on the head wheel and the tail wheel disposed within the housing;

the filtering screen plate comprises an upper filtering screen plate and a lower filtering screen plate, and the upper filtering screen plate and the lower filtering screen plate are correspondingly arranged below the upper layer and the lower layer of the chain scraper conveying assembly;

and a material turning and blanking port is arranged between the end part of the upper filtering sieve plate and the tail wheel.