CN215427517U - Slurry vacuum filtering device - Google Patents

Abstract

The application relates to a thick liquids vacuum filter equipment, it includes the box and sets up the income hopper on the box, go into hopper and the inside intercommunication of box, be provided with the filter disc in going into the hopper, the box is connected with and is used for the negative pressure source to bleeding in the box. The present application has the following effects: the slurry has high filtering speed and high working speed.

Description

Slurry vacuum filtering device

Technical Field

The application relates to the field of filter devices, in particular to a slurry vacuum filter device.

Background

Conductive silver paste, also known as conductive paste, is a mixture of precious metal powder, base metal powder, glass powder and synthetic resin, and is widely applied to electronic products as a functional printing material due to good physical properties of the conductive silver paste.

The production and use of the conductive paste are closely related to the fineness of the product, and the printed screen is possibly scrapped due to overlarge fineness, so that the filtering is an indispensable step in the paste production in order to ensure the fineness of the paste and filter out some impurities with larger particles in the paste. Present thick liquids filter equipment generally includes the box, and the box upper end is provided with the feeder hopper, and the feeder hopper is provided with the filter disc with the position of box intercommunication, places the storage vat in the box and be located the feeder hopper below during the use, pours the thick liquids into the feeder hopper, and the thick liquids are penetrated from the filter disc through self gravity and are fallen into out the storage bucket.

In view of the above-mentioned techniques, the inventors have recognized that improvements are needed because the rate of filtration through the filter sheet by the slurry's own weight is slow, as the slurry is typically a paste-like or viscous liquid.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the filtering rate of a general slurry filtering device is slow, the application provides a slurry vacuum filtering device.

The application provides a thick liquids vacuum filter equipment adopts following technical scheme:

the utility model provides a thick liquids vacuum filtration device, includes the box and sets up the income hopper on the box, go into hopper and the inside intercommunication of box, be provided with the filter element in going into the hopper, the box is connected with and is used for the negative pressure source to bleeding in the box.

Through adopting above-mentioned technical scheme, make the box in form the negative pressure through the negative pressure source, the atmospheric action outside the box was used in the thick liquids in the feeder hopper this moment, gave thick liquids pressure, ordered about thick liquids and pass through the filter element more fast, consequently can promote the filterable speed of thick liquids greatly through above-mentioned technical scheme.

Preferably, the negative pressure source comprises a venturi tube vacuum generator and an air compressor, a vacuumizing port of the venturi tube vacuum generator is communicated with the inside of the box body, and the air compressor is connected with an air inlet of the venturi tube vacuum generator.

Through adopting above-mentioned technical scheme, the during operation, can make the box appear the negative pressure through venturi vacuum generator and air compressor machine and realize accelerating the mesh of thick liquids filter speed, and volatile thick liquids can be discharged from venturi vacuum generator's gas outlet along with the high-pressure air that the air compressor machine input in venturi vacuum generator behind the suction venturi vacuum generator, so volatile thick liquids are difficult to stop in venturi vacuum generator, therefore above-mentioned technical scheme has the effect that the fault rate is low.

Preferably, the negative pressure source is a vacuum pump, and the vacuum pump is communicated with the interior of the box body.

Through adopting above-mentioned technical scheme, thereby can make the interior negative pressure of appearance of box realize accelerating the mesh of thick liquids filter speed.

Preferably, the negative pressure source is an exhaust fan, and an air inlet of the exhaust fan is communicated with the interior of the box body.

Through adopting above-mentioned technical scheme, thereby can make the interior negative pressure of appearance of box realize accelerating the mesh of thick liquids filter speed.

Preferably, go into the hopper including feeder hopper and communicating pipe that components of a whole that can function independently set up from top to bottom, communicating pipe lower extreme and the inside intercommunication of box, feeder hopper and communicating pipe upper end butt joint intercommunication, can dismantle between feeder hopper and the communicating pipe and be connected, the filter element sets up between feeder hopper and communicating pipe.

Through adopting above-mentioned technical scheme, through long-time use, the hole of filter element is plugged up easily by the thick liquids and is leaded to the filter effect not good, so need regularly change the filter element, and feeder hopper and communicating pipe can dismantle the setting, but the person of facilitating the use change filter element.

Preferably, the feed hopper is fixedly connected with the communicating pipe through a clamp.

Through adopting above-mentioned technical scheme, can simply realize the hopper through the clamp and be connected with dismantling of communicating pipe, the operator of being convenient for uses.

Preferably, the feeder hopper is close to the outside extension of one end of communicating pipe and is had first bulge loop, the outside extension of one end that is close to the feeder hopper of communicating pipe has the second bulge loop, first bulge loop and the laminating of second bulge loop each other, the clamp encloses to enclose tight first bulge loop and second bulge loop and inlays to establish in the caulking groove of clamp lateral wall.

Through adopting above-mentioned technical scheme, first bulge loop can increase the laminating area of feeder hopper and the tip of laminating each other communicating pipe with the second bulge loop, makes things convenient for the operator to align the lower port of feeder hopper with communicating pipe, can improve feeder hopper and communicating pipe hookup location's leakproofness to a certain extent, and can promote the fastening nature of clamp installation.

Preferably, a sealing ring is arranged between the first convex ring and the second convex ring.

Through adopting above-mentioned technical scheme, the leakproofness of sealing washer further promotion box reduces the influence of external atmospheric pressure to the inside atmospheric pressure of box, and then makes the filterable speed of thick liquids be difficult to receive the influence.

Preferably, one surface of the first convex ring, which is close to the second convex ring, is provided with a first annular groove, one surface of the second convex ring, which is close to the first convex ring, is provided with a second annular groove, and the sealing ring can be partially embedded in the first annular groove and the second annular groove.

Through adopting above-mentioned technical scheme, can imbed the second ring channel of second bulge loop earlier with the sealing washer during installation, press the feeder hopper on communicating pipe again, later sheathe the clamp in again, the sealing washer shifts on the second bulge loop when the installation can reduce the installation feeder hopper like this and leads to sealed effect at last not good, therefore above-mentioned technical scheme has the effect of the accurate installation of the sealing washer of being convenient for, and can promote the laminating compactness of sealing washer and feeder hopper and communicating pipe, and then promote sealed effect.

Preferably, a pressure gauge is arranged on the box body.

Through adopting above-mentioned technical scheme, can the inside pressure of real-time supervision box, reduce the probability that the dangerous condition appears.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) the box body is connected with the negative pressure source, and a negative pressure environment is built in the box body through the negative pressure source, so that the external atmospheric pressure generates pressure on the slurry, and the slurry is extruded to pass through the filter disc more quickly, and the filter disc has the effect of high filtering speed;

(2) go into the hopper components of a whole that can function independently and set up into feeder hopper and communicating pipe, and feeder hopper and communicating pipe can dismantle the connection, can make things convenient for the operator to change the filter element.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is an exploded view of the hopper of the present embodiment;

FIG. 3 is an exploded sectional view of the hopper of the present embodiment;

fig. 4 is a partially enlarged schematic view of a in fig. 3 according to the present embodiment.

Reference numerals: 1. a box body; 2. a filter disc; 3. a source of negative pressure; 4. a venturi vacuum generator; 5. clamping a hoop; 6. a seal ring; 7. a universal wheel; 8. an electronic scale; 9. an air compressor; 10. feeding into a hopper; 11. opening and closing the door; 12. locking; 13. a feed hopper; 14. a gasket; 15. a pressure gauge; 16. a communicating pipe; 17. a reinforcing bar; 51. caulking grooves; 61. an annular projection; 62. a loop body; 111. a reinforcing rod; 131. a first convex ring; 132. a first annular groove; 161. a second convex ring; 162. a second annular groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses thick liquids vacuum filter equipment. Referring to fig. 1, the slurry vacuum filtering device comprises a box body 1 in a square shape, the box body 1 is made of metal materials, one side wall of the box body 1 is provided with an opening, an opening and closing door 11 is arranged at the opening of the box body 1, the opening and closing door 11 is made of metal materials, the opening and closing door 11 is hinged to the box body 1, and the opening and closing door 11 is locked or unlocked with the box body 1 through a lock catch 12.

Referring to fig. 1 and 2, a feeding hopper 10 is arranged on the upper end surface of the outer portion of the box body 1, the feeding hopper 10 is communicated with the inner portion of the box body 1, a filter disc 2 is arranged in the feeding hopper 10, the filter disc 2 is a piece of round filter cloth, a storage bucket (not shown) is arranged in the box body 1, and the storage bucket is located below the feeding hopper 10.

Referring to fig. 1, in order to increase the filtering speed of the slurry, a negative pressure source 3 is connected to the box 1, negative pressure is formed inside the box 1 through the negative pressure source 3, and then the external atmospheric pressure extrudes the slurry in the hopper 10, so as to accelerate the slurry to pass through the filter disc 2.

Referring to fig. 1, the negative pressure source 3 may be a vacuum pump, an air extractor, or other vacuum pumping equipment, and the vacuum pump or the air extractor is easily damaged due to volatilization of slurry, so that the failure rate is increased, preferably, the negative pressure source 3 of the present embodiment includes a venturi tube vacuum generator 4 and an air compressor 9, the air compressor 9 is connected to an air inlet of the venturi tube vacuum generator 4, and a vacuum pumping port of the venturi tube vacuum generator 4 is communicated with the box body 1; during operation, the air compressor 9 conveys pressure air into the venturi tube vacuum generator 4 through the air inlet, so that a negative pressure region is formed at the position of the vacuumizing hole, and air in the box body 1 is pumped out, thereby achieving the purpose of creating a negative pressure environment in the box body 1.

Referring to fig. 1, in order to improve the sealing performance inside the box body 1 during operation, a sealing gasket 14 is disposed at an opening of the box body 1, the sealing gasket 14 is disposed around an end face of the opening of the box body 1, and when the opening and closing door 11 is closed, an edge portion of the opening and closing door 11, which is close to one side face of the box body 1, is tightly attached to the sealing gasket 14.

Referring to fig. 1, in order to improve the bending strength of the switch door 11, a plurality of reinforcing rods 111 are arranged on one side surface of the switch door 11 close to the box body 1, and the reinforcing rods 111 are welded and fixed with the switch door 11 to prevent the switch door 11 from sinking due to the external atmospheric pressure during operation.

Referring to fig. 1, in order to monitor the pressure inside the tank 1 in real time and prevent dangerous situations, a pressure gauge 15 is provided on the tank 1.

Referring to fig. 1, the outer wall of the box 1 is provided with a plurality of reinforcing rods 17, each reinforcing rod 17 extends along each outer side wall of the box 1, the reinforcing rods 17 are welded and fixed on the outer wall of the box 1, the reinforcing rods 17 can enhance the bending strength of the box 1, and the probability of the side wall of the box 1 sinking due to internal negative pressure is reduced.

Referring to fig. 1, the box body 1 is made of metal materials, the weight is large, and in order to facilitate carrying by workers, universal wheels 7 are fixedly arranged on the outer bottom surface of the box body 1, and the universal wheels 7 are arranged at four corners of the bottom surface of the box body 1.

Referring to fig. 1, in order to facilitate an operator to know whether the storage vat is filled with slurry, a box body 1 is placed on an electronic scale 8, and the operator judges the loading condition in the storage vat through the change of the reading of the electronic scale 8.

Referring to fig. 1 and 2, because during the use, thick liquids can block up on filter element 2 inevitable, need regularly change filter element 2, so go into hopper 10 including feeder hopper 13 and communicating pipe 16 and feeder hopper 13 and communicating pipe 16 that the components of a whole that can function independently set up about and can dismantle the connection, specifically, communicating pipe 16 sets up the up end outside box 1, communicating pipe 16 is perpendicular to the up end of box 1, communicating pipe 16 communicates with each other with box 1 is inside, the lower extreme terminal surface of feeder hopper 13 and the terminal surface butt that communicates pipe 16 kept away from box 1 one end, filter element 2 presss from both sides tightly between feeder hopper 13 and communicating pipe 16, feeder hopper 13 is fixed through 5 with communicating pipe 16, clamp 5 encloses the position at feeder hopper 13 and communicating pipe 16 butt.

Referring to fig. 2 and 3, a first convex ring 131 extends outwards from the outer wall of one end of the feed hopper 13 close to the communication pipe 16, a second convex ring 161 extends outwards from one end of the communication pipe 16 close to the feed hopper 13, the outer diameters of the first convex ring 131 and the second convex ring 161 are the same, the first convex ring 131 and the second convex ring 161 are attached to each other, the clamp 5 surrounds and tightly surrounds the first convex ring 131 and the second convex ring 161, and the first convex ring 131 and the second convex ring 161 are embedded into the embedding groove 51 on the side wall of the clamp 5.

Referring to fig. 3 and 4, in order to further improve the sealing performance inside the box body 1, a sealing ring 6 is arranged between the first convex ring 131 and the second convex ring 161, a first annular groove 132 is arranged on one surface of the first convex ring 131 close to the second convex ring 161, a second annular groove 162 is arranged on one surface of the second convex ring 161 close to the first convex ring 131, and the first annular groove 132 and the second annular groove 162 are aligned with each other and have the same diameter; the seal ring 6 includes a ring body 62 and annular protrusions 61 provided on both end surfaces of the ring body 62, the diameters of the annular protrusions 61 are the same as those of the first annular groove 132 and the second annular groove 162, and the two annular protrusions 61 are inserted into the first annular groove 132 and the second annular groove 162, respectively.

The implementation principle of the slurry vacuum filtering device in the embodiment of the application is as follows: during the use, put into box 1 with the storage vat, then close switch door 11, later pour the thick liquids into feeder hopper 13, build the environment of negative pressure in box 1 through negative pressure source 3 for the outside atmospheric pressure of box 1 acts on the thick liquids and then impresses the thick liquids in box 1, makes the filter velocity of thick liquids promote greatly.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A slurry vacuum filter device is characterized in that: including box (1) and pan feeding fill (10) of setting on box (1), pan feeding fill (10) and the inside intercommunication of box (1), be provided with filter disc (2) in pan feeding fill (10), box (1) is connected with negative pressure source (3) that are used for bleeding in to box (1).

2. A slurry vacuum filtration apparatus as claimed in claim 1, wherein: negative pressure source (3) include venturi vacuum generator (4) and air compressor machine (9), the evacuation mouth and the inside intercommunication of box (1) of venturi vacuum generator (4), air compressor machine (9) are connected with the income gas port of venturi vacuum generator (4).

3. A slurry vacuum filtration apparatus as claimed in claim 1, wherein: the negative pressure source (3) is a vacuum pump, and the vacuum pump is communicated with the interior of the box body (1).

4. A slurry vacuum filtration apparatus as claimed in claim 1, wherein: the negative pressure source (3) is an exhaust fan, and an air inlet of the exhaust fan is communicated with the interior of the box body (1).

5. A slurry vacuum filtration apparatus as claimed in claim 1, wherein: go into hopper (10) including feeder hopper (13) and communicating pipe (16) that the components of a whole that can function independently set up from top to bottom, communicating pipe (16) lower extreme and box (1) inside intercommunication, feeder hopper (13) and communicating pipe (16) upper end butt joint intercommunication, can dismantle between feeder hopper (13) and communicating pipe (16) and be connected, filter element (2) set up between feeder hopper (13) and communicating pipe (16).

6. The apparatus of claim 5, wherein: the feed hopper (13) and the communicating pipe (16) are fixedly connected through a hoop (5).

7. The apparatus of claim 6, wherein: feeder hopper (13) are close to the outside extension of one end of communicating pipe (16) and have first bulge loop (131), communicating pipe (16) are close to the outside extension of one end of feeder hopper (13) and have second bulge loop (161), first bulge loop (131) and second bulge loop (161) are laminated each other, clamp (5) enclose to enclose and enclose tight first bulge loop (131) and second bulge loop (161) and first bulge loop (131) and second bulge loop (161) inlay and establish in caulking groove (51) of clamp (5) lateral wall.

8. The apparatus of claim 7, wherein: and a sealing ring (6) is arranged between the first convex ring (131) and the second convex ring (161).

9. A slurry vacuum filtration unit as claimed in claim 8, wherein: one surface of the first convex ring (131) close to the second convex ring (161) is provided with a first annular groove (132), one surface of the second convex ring (161) close to the first convex ring (131) is provided with a second annular groove (162), and the sealing ring (6) can be partially embedded in the first annular groove (132) and the second annular groove (162).

10. A slurry vacuum filtration apparatus as claimed in claim 1, wherein: and a pressure gauge (15) is arranged on the box body (1).

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