CN217015618U - Press-drying mechanism for filtering device - Google Patents

Abstract

The utility model discloses a press-drying mechanism for a filtering device, which comprises a barrel body (1), wherein an upper cover (2) is arranged at the upper end of the barrel body (1), a slag discharging mechanism (3) is arranged at the lower part of the upper cover (2), a lower cover (4) with a slag discharging mechanism is arranged at the lower end of the barrel body (1), a special-shaped filtering barrel (5) is tightly attached to the inside of the barrel body (1), the slag discharging mechanism (3) extends into the barrel body (1) and is tightly attached to and matched with the special-shaped filtering barrel (5), a feeding end (6) is arranged at one side of the barrel body (1), and a first water-gas connecting port (7) and a second water-gas connecting port (8) are respectively arranged at the other side of the barrel body (1). The utility model can effectively improve the effect of removing filter residues and further improve the press drying efficiency.

Description

Pressing and drying mechanism for filtering device

Technical Field

The utility model relates to the field of filtering and press-drying devices, in particular to a press-drying mechanism for a filtering device.

Background

In the traditional filtering, washing and press-drying process, corresponding equipment is often needed, for example, the utility model patent of China with the publication number of CN106039803B, and discloses a filtering and squeezing unit for easily filtering materials, which comprises a distribution pipe, wherein the distribution pipe is connected with one or more filtering and squeezing machines through a feed valve, each filtering and squeezing machine comprises a cylinder body, the upper end of the cylinder body is connected with the feed valve, the lower end of the cylinder body is provided with a discharge valve, the cylinder body is internally provided with a special-shaped filter pipe, a forward-blowing slag discharge valve is arranged between the feed valve and the cylinder body, and the lower part of the cylinder body is provided with a back-blowing liquid discharge valve. However, when the equipment is used for producing the ternary precursor of the lithium battery anode material, after the ternary product crystal particles are finished in the aging kettle, the crystal particles are attached to the inner conical surface of the special-shaped filter cylinder during filtering, and the particles are not thoroughly removed due to small taper and are adhered with residues; when the slag pushing mechanism consisting of the power mechanism, the screw rod and the piston runs, the incomplete slag unloading is aggravated because the clearance between the piston and the special-shaped filter pipe is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a press drying mechanism for a filtering device. The utility model can effectively improve the effect of removing filter residues and further improve the press drying efficiency.

The technical scheme of the utility model is as follows: the utility model provides a mechanism is done to pressure for filter equipment, includes the barrel, and the upper end of barrel is equipped with the upper cover, and the lower part of upper cover is equipped with unloads the sediment mechanism, and the lower extreme of barrel is equipped with the lower cover that has slag extractor to construct, hugs closely in the barrel has the special-shaped cartridge filter, unload the sediment mechanism stretch into to hug closely the cooperation mutually with the special-shaped cartridge filter in the barrel, barrel one side be equipped with the pan feeding end, the opposite side of barrel is equipped with first aqueous vapor connector and second aqueous vapor connector respectively.

In the above-mentioned press-drying mechanism for a filtering device, the slag discharging mechanism is a slag pushing plate.

In the above-mentioned press-drying mechanism for a filtration apparatus, the slag discharge mechanism is a spiral disk.

In the above-mentioned drying mechanism for filtering apparatus, the outer surface of the profiled filtering cylinder has a diversion trench with a spiral vertical structure.

In the press-drying mechanism for the filtering device, the cross section of the special-shaped filtering cylinder is of a conical structure, and the conical degree is 10-30 degrees.

Compared with the prior art, the utility model has the following advantages:

1. according to the utility model, materials enter the barrel through the material inlet, clear water and air flow are respectively introduced into the first water-air connector and the second water-air connector, forward air flow is introduced into the first water-air connector, reverse air flow is introduced into the second water-air connector, the materials in the barrel are washed and dried by the method, solid particles in the materials can adhere to the inner wall of the special-shaped filter cylinder, the slag discharging mechanism extends into the barrel and is in close fit with the special-shaped filter cylinder, the slag discharging mechanism runs to scrape the solid particles, the slag removing effect is greatly improved by the close fit of the slag discharging mechanism and the special-shaped filter cylinder, and the washing and drying efficiency is improved by forward and reverse air flow and flowing water washing.

2. The cross-section of dysmorphism cartridge filter be the toper structure, the tapering is 10 ~ 30 degrees for unload the solid particle that the sediment mechanism is easier to be unloaded and depends on dysmorphism cartridge filter inner wall, improve work efficiency.

3. The outer surface of the special-shaped filter cylinder is provided with a diversion trench with a spiral vertical structure, the structure is favorable for water flow, filtered clear liquid is easier to discharge, a channel is further optimized, gas back blowing is more uniform, and back blowing dead angles are eliminated.

Drawings

FIG. 1 is a schematic view of the flow structure of the present invention;

FIG. 2 is a schematic view of a diversion trench;

FIG. 3 is a schematic view of the slag discharging mechanism as a slag pushing plate;

FIG. 4 is a schematic view of the slag discharging mechanism being a spiral disc.

Description of the reference symbols in the drawings: the device comprises a barrel 1, an upper cover 2, a slag discharging mechanism 3, a lower cover 4, a special-shaped filter cylinder 5, a feeding end 6, a first water-air connecting port 7, a second water-air connecting port 8 and a diversion trench 9.

Detailed Description

The utility model is further illustrated by the following figures and examples, but is not to be construed as being limited thereto.

Example (b): a press-drying mechanism for a filtering device is disclosed, as shown in figure 1, and comprises a cylinder body 1, wherein an upper cover 2 is arranged at the upper end of the cylinder body 1, a slag discharging mechanism 3 is arranged at the lower part of the upper cover 2, a lower cover 4 with a slag discharging mechanism is arranged at the lower end of the cylinder body 1, a special-shaped filter cylinder 5 is tightly attached in the cylinder body 1, and a diversion trench 9 with a spiral vertical structure is arranged on the outer surface of the special-shaped filter cylinder 5, as shown in figure 2, the structure is favorable for water flow, and prevents the special-shaped filter cylinder from being attached to the cylinder body when being extruded outwards under the action of slag, so that filtered clear liquid is easier to discharge, the channel is further optimized, gas back flushing is more uniform, and back flushing dead angles are eliminated; the cross-section of dysmorphism cartridge filter 5 be the toper structure, the tapering is 10 ~ 30 degrees for unload the solid particle that the sediment mechanism is more easy to be unloaded and is attached to the dysmorphism cartridge filter inner wall, improve work efficiency. The slag discharging mechanism 3 extends into the barrel body 1 and is closely matched with the special-shaped filter cartridge 5, a feeding end 6 is arranged on one side of the barrel body 1, and a first water-gas connecting port 7 and a second water-gas connecting port 8 are respectively arranged on the other side of the barrel body 1. The slag discharging mechanism and the slag removing mechanism are generally driven by a motor or an air cylinder. The slag discharging mechanism can not scratch the inner surface of the special-shaped filter cylinder when scraping the solid particles on the inner surface of the special-shaped filter cylinder.

Preferably, the slag discharging mechanism 3 is a slag pushing plate, as shown in fig. 3.

Preferably, the slag discharging mechanism 3 is a spiral disc, as shown in fig. 4, the slag discharging mechanism can also be a spiral belt, or a double-layer net structure, and the double-layer net can completely separate the solid particles from the inner surface of the profiled filter cylinder when the displacement between the double-layer net and the profiled filter cylinder is 10-50 mm.

The utility model is only used for washing and discharging solid filter cake slag, has less moving mechanism, convenient maintenance and low failure rate, correspondingly reduces the investment and the operation cost, and has the characteristics of easy removal of filter cake, low water content after press drying and reduction of washing water consumption and times. The process flow related by the utility model comprises the following steps: 1. opening a valve at the side part of the solution filter, feeding materials into the solution filter, then carrying out back flushing on the filter pipe according to a set frequency, setting the filtering flow and time of the filter pipe, intercepting solid particles outside the filter pipe after mother liquor flows through the filter pipe, forming slurry by the solid particles under the action of gravity, depositing the slurry into a lower end socket cavity of the solution filter, and filtering and discharging filtered liquor out of a system through the filter pipe; 2. concentrating the lower end socket cavity of the solution filter to form slurry with certain solid content, connecting the bottom end of the solution filter with a plurality of press-drying machines, and regularly and quantitatively discharging the slurry to 1 or more press-drying machines, wherein the solution filter performs normal filtering work; 3. connecting ports are arranged on the upper side and the lower side of the press dryer, forward airflow and washing liquid are introduced into the connecting ports on the upper side, solid particles are washed through the washing liquid, and the press dryer is used for pressing the solid particles; 4. and discharging the solid particles after the press drying through a slag discharging device, and completely discharging the solid particles in the press drying machine by introducing reverse airflow into a lower side connecting port of the press drying machine.

The working principle of the utility model is as follows: the material passes through the pan feeding mouth and gets into to the barrel in, and first aqueous vapor connector and second aqueous vapor connector let in clear water and air current respectively, and what first aqueous vapor connector let in is the forward air current, and what second aqueous vapor connector let in is reverse air current, washes and presses futilely to the material in the barrel through this kind of mode, and solid particle in the material can depend on the inner wall of dysmorphism cartridge filter, the sediment mechanism that unloads stretch into to the barrel in with the dysmorphism cartridge filter cooperate of hugging closely mutually, unload the operation of sediment mechanism, strike off solid particle, through unloading closely laminating of sediment mechanism and dysmorphism cartridge filter, promoted the slagging-off effect greatly, through the washing of the positive blowback of air current and flowing water, promote washing and press dry efficiency.

Claims (5)

1. The utility model provides a mechanism is done to pressure for filter equipment which characterized in that: including barrel (1), the upper end of barrel (1) is equipped with upper cover (2), and the lower part of upper cover (2) is equipped with unloads sediment mechanism (3), and the lower extreme of barrel (1) is equipped with lower cover (4) that have slag extractor, hugs closely in barrel (1) has special-shaped cartridge filter (5), unload sediment mechanism (3) stretch into to closely cooperate with special-shaped cartridge filter (5) mutually in barrel (1), barrel (1) one side be equipped with pan feeding end (6), the opposite side of barrel (1) is equipped with first water gas connector (7) and second water gas connector (8) respectively.

2. The press dry mechanism for a filtration device of claim 1, wherein: the slag discharging mechanism (3) is a slag pushing plate.

3. The press drying mechanism for a filter device according to claim 1, wherein: the slag discharging mechanism (3) is a spiral disc.

4. The press drying mechanism for a filter device according to claim 1, wherein: the outer surface of the special-shaped filter cylinder (5) is provided with a diversion trench (9) with a spiral vertical structure.

5. The press drying mechanism for a filter device according to claim 1, wherein: the cross section of the special-shaped filter cartridge (5) is of a conical structure, and the taper is 10-30 degrees.

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