CN219848504U - Vacuum filtration equipment - Google Patents

Abstract

The utility model discloses vacuum filtering equipment, which comprises a filter vat, wherein a transparent window and a first vacuumizing port are arranged on a sealing cover of the filter vat, the bottom of the filter vat is communicated with a liquid storage vat, a first liquid outlet is arranged at the bottom of the outer side of the liquid storage vat, a second vacuumizing port is arranged on the liquid storage vat, the first vacuumizing port, the second vacuumizing port and the first liquid outlet are communicated through a liquid discharge pipe, and the arranged vacuum ports realize two-stage vacuumizing and ensure the working continuity of the filtering equipment; the outer sides of the filter barrel and the liquid storage barrel are respectively provided with a transparent first liquid level pipe and a transparent second liquid level pipe, so that visual operation is realized, the filtering condition is monitored in real time, and the uninterrupted filtering work is ensured; the bottom of the liquid storage barrel is provided with a supporting plate, pulleys are arranged around the bottom of the supporting plate, and the liquid storage barrel is convenient to move and wide in application range.

Description

Vacuum filtration equipment

Technical Field

The utility model relates to the field of filtering equipment, in particular to vacuum filtering equipment.

Background

Common solid-liquid separation equipment includes filter pressing, vacuum suction filtration, centrifugal filtration, natural filtration and the like. In the noble metal refining and deep processing industry, single-batch filtering materials are small in quantity and high in value, and the vacuum suction filtration equipment has the characteristics of safety in negative pressure material conveying, easiness in cleaning filter cakes, low noble metal material loss and the like, so that the vacuum suction filtration equipment is widely applied to the noble metal refining and deep processing industry.

The method for vacuum extracting the materials in the kettle by adopting the vacuum suction filtration equipment comprises the steps of firstly pumping the materials in the kettle to a vacuum buffer tank, and then automatically flowing the materials in the vacuum buffer tank to the vacuum suction filtration equipment, wherein the following problems can occur during use: (1) Under the condition of long-time vacuum suction filtration, a thick filter cake layer can be formed, a part of filter screens of the filter plates can be blocked by the accumulated filter cake layer, so that the vacuum degree of a filter barrel is lower and lower, the materials are difficult to pump to the filter barrel through a feed inlet, the filter cake layer needs to be cleaned by stopping, and the continuity of the filtering operation is poor; (2) The existing solid-liquid separation equipment has poor tightness, so that the vacuum degree of the filtered gas is insufficient, and the filtering effect is poor; (3) The gas generated in the noble metal refining process is harmful gas, and the poor tightness causes gas escape to seriously harm the health of staff; (4) The inside of the filter device is invisible, the state of a filter material cannot be visually observed in the filtering process, the normal filtering can be influenced due to the fact that the accumulation amount of a filter cake layer is large, the operation flow is long, and the material loss is large.

Disclosure of Invention

The utility model provides vacuum filter equipment, and aims to solve the problems that a filter cake layer of the existing filter equipment is difficult to clean, the tightness is poor and the filtering efficiency is affected.

The utility model relates to vacuum filtering equipment, which comprises a filter vat, wherein the bottom of the filter vat is provided with a filter plate, the top of the filter vat is embedded with a sealing cover, the sealing cover is provided with a feed inlet, a viewing window and a first vacuumizing port are also arranged on the sealing cover, the periphery of the sealing cover is equidistantly provided with a plurality of bolt holes, the bottom of the filter vat is communicated with a liquid storage vat, the top of the liquid storage vat is provided with a connecting rod corresponding to the bolt holes of the sealing cover, and the end part of the connecting rod is inserted into the bolt holes and fastened by bolts; the bottom of the outer side of the liquid storage barrel is provided with a first liquid outlet, and the liquid storage barrel is provided with a second vacuumizing port; the first vacuumizing port, the second vacuumizing port and the first liquid outlet are communicated through liquid discharge pipes, and a first control valve, a vacuum unit valve, a second control valve, a second vacuumizing port, a third control valve, a second liquid outlet, a fourth control valve and the first liquid outlet are sequentially communicated along the liquid discharge pipes of the first vacuumizing port, and the first liquid outlet and the second liquid outlet are flush; the outer sides of the filter barrel and the liquid storage barrel are respectively provided with a first liquid level pipe and a second liquid level pipe, and a filter screen is arranged in the first liquid level pipe; the bottom of the liquid storage barrel is provided with a supporting plate, and pulleys are arranged around the bottom of the supporting plate.

Preferably, the viewing window, the first liquid level pipe and the second liquid level pipe are transparent structures.

Preferably, handles are symmetrically arranged on the outer side of the filter barrel.

Preferably, sealing rings are arranged at the joint of the filter vat and the liquid storage vat and at the joint of the sealing cover and the filter vat.

Preferably, the pulley is a lockable universal wheel.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the vacuum filter equipment provided by the utility model, the two-stage vacuumizing is realized by arranging the vacuumizing ports on the filter barrel and the liquid storage barrel, so that the working continuity of the filter equipment is ensured. When the filter is blocked by the filter, the vacuum degree in the filter vat is smaller, the first control valve on the filter vat is opened, the vacuum degree in the filter vat is increased, the material is effectively conveyed, and the filtering efficiency is high.

2. According to the vacuum filtering equipment provided by the utility model, the transparent viewing window is arranged on the sealing cover, the transparent first liquid level pipe and the transparent second liquid level pipe are respectively arranged on the outer sides of the filtering barrel and the liquid storage barrel, so that the visual operation is realized, the filtering condition is monitored in real time, and the uninterrupted filtering work is ensured. A filter screen is arranged in the first liquid level pipe to prevent the filter materials in the filter vat from entering the liquid level pipe to cause blockage.

3. According to the vacuum filtering equipment provided by the utility model, the bolt holes are formed in the periphery of the sealing cover at equal intervals, the connecting rod corresponding to the bolt holes of the sealing cover is arranged at the top of the liquid storage barrel, and the end parts of the connecting rods are inserted into the bolt holes and fastened by the bolts, so that the tightness between the filtering barrel and the liquid storage barrel is improved. The sealing rings are additionally arranged at the connection part of the filter vat and the liquid storage vat and the connection part of the sealing cover and the filter vat, so that the tightness between the filter vat and the liquid storage vat is further ensured, the filtering effect is enhanced, and meanwhile, the accident that harmful gas escapes to endanger the health of personnel is avoided.

4. According to the vacuum filtering equipment provided by the utility model, the handles are symmetrically welded on the outer side of the filtering barrel, so that the movement and adjustment are facilitated, the liquid storage barrel is placed on the supporting plate with the pulley, the movement is facilitated, the pulley is a lockable universal wheel, the movement or the stopping can be realized according to the requirement, and the application range is wide.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a vacuum filtration apparatus of the present utility model;

FIG. 2 is a front view of a vacuum filtration apparatus of the present utility model;

FIG. 3 is a partial cross-sectional view of a vacuum filtration apparatus of the present utility model;

FIG. 4 is a schematic view of the seal cap structure of the present utility model;

in the figure: 1-sealing cover; 2-bolts; 3-a feed inlet; 4-a first vacuumizing port; 5-a first control valve; 6-a filter vat; 7-lifting handles; 8-a vacuum unit valve; 9-a second control valve; 10-a second vacuumizing port; 11-a liquid storage barrel; 12-a third control valve; 13-a first drain port; 14-a fourth control valve; 15-a second liquid outlet; 16-a support plate; 17-pulleys; 18-filtering plates; 19-viewing window; 20-connecting rods; 21-a liquid discharge pipe; 22-a first level tube; 23-a second level tube.

Detailed Description

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

as shown in fig. 1-4, the utility model is a vacuum filtration device, which comprises a filter vat 6, handles 7 are symmetrically arranged on the outer side of the filter vat 6, a filter plate 18 is welded at the bottom of the filter vat 6, a sealing cover 1 is inlaid at the top of the filter vat 6, a sealing ring is arranged at the joint of the sealing cover 1 and the filter vat 6, a feed inlet 3 is arranged on the sealing cover 1, a transparent window 19 and a first vacuumizing port 4 are also arranged on the sealing cover 1, four bolt holes are equidistantly arranged on the periphery of the sealing cover 1, a liquid storage vat 11 is communicated with the bottom of the filter vat 6, a sealing ring is arranged at the joint of the filter vat 6 and the liquid storage vat 11, a connecting rod 20 corresponding to the bolt hole position of the sealing cover 1 is arranged at the top of the liquid storage vat 11, and the end part of the connecting rod 20 is inserted into the bolt hole and fastened by a bolt 2, so that the tightness of the filter vat 6 and the liquid storage vat 11 is ensured; the bottom of the outer side of the liquid storage barrel 11 is provided with a first liquid outlet 13, and the liquid storage barrel 11 is provided with a second vacuumizing port 10; the first vacuumizing port 4, the second vacuumizing port 10 and the first liquid outlet 13 are communicated through a liquid outlet pipe 21, a first control valve 5, a vacuum unit valve 8, a second control valve 9, the second vacuumizing port 10, a third control valve 12, a second liquid outlet 15, a fourth control valve 14 and the first liquid outlet 13 are sequentially communicated along the liquid outlet pipe 21 of the first vacuumizing port 4, and the first liquid outlet 13 and the second liquid outlet 15 are flush; the outer sides of the filter vat 6 and the liquid storage vat 11 are respectively provided with a transparent first liquid level pipe 22 and a transparent second liquid level pipe 23, and a filter screen is arranged in the first liquid level pipe 22 to prevent the filtered matters in the filter vat 6 from entering the first liquid level pipe 22 to cause blockage; the bottom of the liquid storage barrel 11 is welded with a supporting plate 16, pulleys 17 are arranged around the bottom of the supporting plate 16, and the pulleys 17 are lockable universal wheels.

During normal filtration, the first control valve 5 and the third control valve 12 are in a closed state, the second control valve 9 is in an open state, a vacuum unit is connected to the vacuum unit valve 8 for normal vacuum filtration, a certain pressure difference is formed between the liquid storage barrel 11 and the filter barrel 6 during filtration, filtrate enters the liquid storage barrel 11 through the filter holes of the filter plate 18, and the filtrate is left in the filter barrel 6 to realize solid-liquid separation.

In the filtering process, the filtering conditions of the filter barrel 6 and the liquid storage barrel 11 are judged by monitoring the first liquid level pipe 22 and the second liquid level pipe 23 in real time, and the formation condition of a filter cake layer is monitored by observing the window 19, so that the opening time of the first control valve 5 is judged. When the liquid level of the first liquid level pipe 22 is monitored to rise or not move, the condition that the filter cake layer blocks part of the filter plate 18 to cause insufficient vacuum degree in the filter barrel 6 to influence filtration is indicated, at the moment, the first control valve 5 is opened, the filter barrel 6 is vacuumized, the material at the feed inlet 3 is pumped into the filter barrel 6, and the filter is continued by using unblocked filter holes until the filtration is completed; when the liquid level of the first liquid level pipe 22 is monitored to be reduced, the filter plate 18 is indicated to be normally filtered, and at the moment, the first control valve 5 is closed, so that filtrate passes through the filter plate 18 and enters the liquid storage barrel 11. After the filtrate is completely filtered, a pump body is connected to the second liquid outlet 15, the fourth control valve 14 is opened to discharge the filtrate, the filter plate 18 is taken down, and the filter cake layer is cleaned.

Claims (5)

1. The utility model provides a vacuum filtration equipment, includes filter vat (6), and filter vat (6) bottom is equipped with filter (18), and filter vat (6) top inlays and is equipped with sealed lid (1), is equipped with feed inlet (3), its characterized in that on sealed lid (1): the sealing cover (1) is also provided with a viewing window (19) and a first vacuumizing port (4), a plurality of bolt holes are formed in the periphery of the sealing cover (1) at equal intervals, the bottom of the filtering barrel (6) is communicated with a liquid storage barrel (11), the top of the liquid storage barrel (11) is provided with a connecting rod (20) corresponding to the bolt hole of the sealing cover (1), and the end part of the connecting rod (20) is inserted into the bolt hole and fastened by a bolt (2); the bottom of the outer side of the liquid storage barrel (11) is provided with a first liquid outlet (13), and the liquid storage barrel (11) is provided with a second vacuumizing port (10); the first vacuumizing port (4), the second vacuumizing port (10) and the first liquid outlet (13) are communicated through a liquid outlet pipe (21), a first control valve (5), a vacuum unit valve (8), a second control valve (9), the second vacuumizing port (10), a third control valve (12), a second liquid outlet (15), a fourth control valve (14) and the first liquid outlet (13) are sequentially communicated on the liquid outlet pipe (21) along the first vacuumizing port (4), and the first liquid outlet (13) and the second liquid outlet (15) are flush; the outer sides of the filter vat (6) and the liquid storage vat (11) are respectively provided with a first liquid level pipe (22) and a second liquid level pipe (23), and a filter screen is arranged in the first liquid level pipe (22); the bottom of the liquid storage barrel (11) is provided with a supporting plate (16), and pulleys (17) are arranged around the bottom of the supporting plate (16).

2. A vacuum filtration apparatus as claimed in claim 1, wherein: the window (19), the first liquid level pipe (22) and the second liquid level pipe (23) are transparent structures.

3. A vacuum filtration apparatus as claimed in claim 1, wherein: handles (7) are symmetrically arranged on the outer side of the filter vat (6).

4. A vacuum filtration apparatus as claimed in claim 3, wherein: sealing rings are arranged at the joint of the filter vat (6) and the liquid storage vat (11) and at the joint of the sealing cover (1) and the filter vat (6).

5. A vacuum filtration apparatus according to any one of claims 1 to 4, wherein: the pulley (17) is a lockable universal wheel.