CN217247174U - Continuous filtration's pressure is done and is deslagged device - Google Patents

Abstract

The utility model discloses a continuous filtering press-drying deslagging device, which comprises a solution filtering machine (1), wherein the solution filtering machine (1) comprises a main body (2), an upper end socket (3) is arranged at the upper end of the main body (2), a lower end socket (4) is arranged at the lower end of the main body (2), a pattern plate (5) is arranged in the main body (2), the lower part of the pattern plate (5) is connected with a plurality of filtering pipes (6), and the lower end of the solution filtering machine (1) is connected with a plurality of press-drying machines (7) through control valves; the press dryer (7) comprises a cylinder body (11), an upper cover (12) is arranged at the upper end of the cylinder body (11), a slag discharging mechanism (13) is arranged at the lower part of the upper cover (12), a lower cover (14) with a slag discharging mechanism is arranged at the lower end of the cylinder body (11), and a special-shaped filter cylinder (15) is tightly attached to the inside of the cylinder body (11). The utility model discloses can effectively promote solid-liquid separation efficiency, guarantee the quality of crystal body.

Description

Continuous filtration's pressure is done and is deslagged device

Technical Field

The utility model relates to a filter press dry device field, especially a continuous filtration press dry deslagging device.

Background

In the traditional filtering, washing and press-drying process, corresponding equipment is often needed to be used, and a plurality of pieces of equipment are connected together to form a finished processing flow, for example, the Chinese patent invention with the publication number of CN106039785B discloses a mother liquor continuous filtering, automatic slag discharging and scraping and press-drying washing machine, which comprises a continuous filtering, automatic slag discharging and scraping mechanism, wherein the bottom of the continuous filtering, automatic slag discharging and scraping mechanism is connected with a press-drying, washing and filtering mechanism through an electric valve (or a pneumatic valve); the automatic slag scraping mechanism for continuous filtration comprises a barrel, an oval end socket is arranged on the upper portion of the barrel, a conical end socket is arranged on the lower portion of the barrel, a filter medium is arranged in the barrel and connected with a discharge pipe extending out of the barrel, a lifting mechanism is arranged on the oval end socket, and a slag scraping mechanism installed in the barrel is arranged on the lifting mechanism. However, such devices are prone to scratching crystals, which causes quality problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a continuous filtration's pressure is done and is deslagged device is provided. The utility model discloses can effectively promote solid-liquid separation efficiency, guarantee the quality of crystalline solid.

The technical scheme of the utility model: the utility model provides a filterable pressure is done and is deslagged device in succession, includes the solution filter, and the solution filter includes the main part, and the upper end of main part is equipped with the upper cover, and the lower extreme of main part is equipped with the low head, is equipped with the card in the main part, and the sub-unit connection of card has many filter tubes, and the lower extreme of solution filter is connected with a plurality of pressure through the control valve and does the machine, and the lower extreme of solution filter is connected with the feed valve, and the upper end of solution filter is connected with air current valve and filtrating valve.

In the continuous filtering pressure drying deslagging device, the lower end enclosure is of a conical structure, and the conical degree range of the lower end enclosure is 40-99 degrees.

Among the aforementioned continuous filterable pressure is done and is deslagged device, the pressure dry machine include the barrel, the upper end of barrel is equipped with the upper cover, the lower part of upper cover is equipped with unloads the sediment mechanism, the lower extreme of barrel is equipped with the lower cover that has slag extractor, hugs closely in the barrel has the special-shaped cartridge filter, unload the sediment mechanism stretch into in the barrel and hug closely the cooperation with the special-shaped cartridge filter mutually, barrel one side be equipped with the pan feeding end, the pan feeding end is connected with solution filter lower extreme through the control valve, the opposite side of barrel is equipped with and is equipped with first aqueous vapor connector and second aqueous vapor connector respectively.

In the continuous filtration pressure-drying deslagging device, the deslagging mechanism is a deslagging plate.

In the continuous filtering press-drying deslagging device, the deslagging mechanism is a spiral disc.

In the continuous filtration pressure drying deslagging device, the outer surface of the special-shaped filter cylinder is provided with a diversion trench with a spiral vertical structure.

In the continuous filtering press-drying deslagging device, the section of the special-shaped filter cylinder is of a conical structure, and the taper is 10-30 degrees.

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

1. the utility model discloses in, mother liquor enters into the main part from the feed valve in, lets in reverse air current in the air current valve, carries out the blowback to the filter tube, and mother liquor is through the filtration of filter tube, and solid particle in its mother liquor is held back outside the filter tube, and solid particle forms the thick liquids under the effect of gravity or air current blowback and sinks to solution filter lower head cavity in, and filtrating discharges through the filtrating valve, and the thick liquids enters into the pressure dryer in, presses futilely with the effectual washing of crystalline solid through the pressure dryer, the utility model discloses remove automatic slag scraping mechanism and elevating system, through air current and action of gravity, form the thick liquids automatically, when unloading the crystalline solid outside the filter tube, effectively protect the crystalline solid, guarantee its product quality.

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 present invention;

FIG. 2 is a schematic view of a press dryer;

fig. 3 is a schematic view of a guiding gutter;

FIG. 4 is a schematic view of the slag discharging mechanism as a slag pushing plate;

FIG. 5 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 solution filter 1, a main body 2, an upper sealing head 3, a lower sealing head 4, a flower plate 5, a filter pipe 6, a press dryer 7, a feed valve 8, an air flow valve 9, a filtrate valve 10, a barrel 11, an upper cover 12, a slag discharging mechanism 13, a lower cover 14, a special-shaped filter cartridge 15, a material inlet 16, a first water-gas connector 17, a second water-gas connector 18 and a diversion trench 19.

Detailed Description

The present invention will be further described with reference to the following drawings and examples, but the invention is not limited thereto.

Example (b): a continuous filtering press-drying deslagging device is shown in figure 1 and comprises a solution filtering machine 1, wherein the solution filtering machine 1 comprises a main body 2, an upper end enclosure 3 is arranged at the upper end of the main body 2, a lower end enclosure 4 is arranged at the lower end of the main body 2, the lower end enclosure 4 is of a conical structure, and the conical degree range of the lower end enclosure 4 is 40-99 degrees, so that crystals can easily fall into a cavity of the lower end enclosure to quickly form slurry; the main body 2 is internally provided with a flower plate 5, the lower part of the flower plate 5 is connected with a plurality of filter pipes 6, the lower end of the solution filter 1 is connected with a plurality of press-drying machines 7 through control valves, the lower end of the solution filter 1 is connected with a feed valve 8, and the upper end of the solution filter 1 is connected with an airflow valve 9 and a filtrate valve 10. The ratio of the gap of the filter pipe 17 to the outer diameter of the filter pipe 17 is 2-10: 1, the ratio of the length to the diameter of the filter pipe 17 is larger than 20, the solid-liquid separation effect is further improved through the structure, the inner volume of the solution filter is 10 times larger than that of the press dryer, the volume of the solution filter is usually larger than 300 liters, the outer surface filter area of the filter pipe is usually larger than 3 square meters, and the inner volume of the press dryer is usually larger than 10 liters.

The press dryer 7 comprises a cylinder 11, as shown in fig. 2 and 3, an upper cover 12 is arranged at the upper end of the cylinder 11, a slag discharging mechanism 13 is arranged at the lower part of the upper cover 12, a lower cover 14 with a slag discharging mechanism is arranged at the lower end of the cylinder 11, a special-shaped filter cylinder 15 is tightly attached to the inside of the cylinder 11, a diversion trench 19 with a spiral vertical structure is arranged on the outer surface of the special-shaped filter cylinder 15, the structure is favorable for water flow, the situations that the special-shaped filter cylinder is attached to the cylinder when being extruded outwards under the action of slag, such as unfavorable running water and the like, are prevented, filtered clear liquid is easier to discharge, a channel is further optimized, gas back blowing is more uniform, the generation of back blowing dead corners is eliminated, the cross section of the special-shaped filter cylinder 15 is of a conical structure, the taper is 10-30 degrees, the slag discharging mechanism is easier to discharge solid particles attached to the inner wall of the special-shaped filter cylinder, and the working efficiency is improved. The slag discharging mechanism 13 extends into the barrel 11 to be closely matched with the special-shaped filter cylinder 15, a feeding end 16 is arranged on one side of the barrel 11, the feeding end 16 is connected with the lower end of the solution filter 1 through a control valve, and a first water-gas connecting port 17 and a second water-gas connecting port 18 are respectively arranged on the other side of the barrel 11. The slag unloading 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 13 is a slag pushing plate, as shown in fig. 4.

Preferably, the slag discharging mechanism 13 is a spiral disc, as shown in fig. 5, 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 discloses whole process flow: 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 and settling into a lower seal head cavity of the solution filter under the action of gravity, and filtering clear liquid through the filter pipe and discharging the filtered clear liquid out of a system; 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 being dried by the pressing machine through a slag discharging device, and discharging the solid particles in the pressing machine through introducing reverse airflow to a lower side connecting port of the pressing machine.

The utility model discloses a theory of operation: opening a valve at the side part of the solution filter, feeding the solution into the solution filter, controlling the internal pressure of the solution filter to be 0.005-0.02 MPa when the solution filter feeds the solution, maintaining the low-pressure state for 10-300 seconds, 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, settling the slurry into a lower seal head cavity of the solution filter, and filtering and discharging filtered liquor out of a system through the filter pipe; the method comprises the following steps that slurry with a certain solid content is formed by concentration in a lower end enclosure cavity of a solution filter, the bottom end of the solution filter is connected with a plurality of press-drying machines, the slurry is discharged to 1 or more press-drying machines in fixed time and quantity, the solution filter performs normal filtering work, and the secondary number of solid particles is set to be 0-10 times when the solid particles are washed and pressed; 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 and drying the solid particles; discharging the pressed solid particles through a slag discharging device, completely discharging the solid particles in the press dryer by introducing reverse airflow into a lower side connecting port of the press dryer, and introducing water vapor into the press dryer after the solid particles are completely discharged so as to physically regenerate the filter cartridge; and after filtering 100-10000 batches of materials, introducing a regeneration liquid into the press dryer, chemically regenerating the special-shaped filter cartridge to completely recover the filtering flux, and cleaning and drying the special-shaped filter cartridge by using a cleaning solution.

Claims (6)

1. The utility model provides a continuous filtration's pressure is done and is deslagged device which characterized in that: the solution filtering machine comprises a solution filtering machine (1), wherein the solution filtering machine (1) comprises a main body (2), an upper end enclosure (3) is arranged at the upper end of the main body (2), a lower end enclosure (4) is arranged at the lower end of the main body (2), a pattern plate (5) is arranged in the main body (2), a plurality of filtering pipes (6) are connected to the lower portion of the pattern plate (5), a plurality of press-drying machines (7) are connected to the lower end of the solution filtering machine (1) through control valves, a feeding valve (8) is connected to the lower end of the solution filtering machine (1), and an airflow valve (9) and a filtrate valve (10) are connected to the upper end of the solution filtering machine (1).

2. The continuous filtration, press dry slag removal apparatus according to claim 1, wherein: the lower end enclosure (4) is of a conical structure, and the conical degree range of the lower end enclosure (4) is 40-99 degrees.

3. The continuous filtration, press dry deslagging apparatus of claim 1 wherein: the press dryer (7) comprises a cylinder body (11), an upper cover (12) is arranged at the upper end of the cylinder body (11), a slag discharging mechanism (13) is arranged at the lower part of the upper cover (12), a lower cover (14) with a slag discharging mechanism is arranged at the lower end of the cylinder body (11), a special-shaped filter cartridge (15) is tightly attached to the inside of the cylinder body (11), the slag discharging mechanism (13) extends into the cylinder body (11) to be tightly attached to the special-shaped filter cartridge (15) in a matching mode, a feeding end (16) is arranged on one side of the cylinder body (11), the feeding end (16) is connected with the lower end of the solution filter (1) through a control valve, and a first water vapor connecting port (17) and a second water vapor (18) are respectively arranged on the other side of the cylinder body (11).

4. The continuous filtration, press dry slag removal apparatus according to claim 3, wherein: the slag discharging mechanism (13) is a slag pushing plate.

5. The continuous filtration, press dry slag removal apparatus according to claim 3, wherein: the slag discharging mechanism (13) is a spiral disc.

6. The continuous filtration, press dry slag removal apparatus according to claim 3, wherein: the cross section of the special-shaped filter cartridge (15) is of a conical structure, and the conical degree is 10-30 degrees.

Images