CN214763739U

CN214763739U - Filter press

Info

Publication number: CN214763739U
Application number: CN202121236216.XU
Authority: CN
Inventors: 王金兔; 陈钢; 秦锡荣
Original assignee: Shaoxing Huawei Chemical Co Ltd
Current assignee: Shaoxing Huawei Chemical Co Ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-11-19
Anticipated expiration: 2031-06-03

Abstract

The utility model belongs to the technical field of the solid-liquid separation technique and specifically relates to a pressure filter is related to, including the support, install the jar body on the support, locate jar internal spiral stock guide, be used for ordering about the relative jar of body pivoted driving piece of spiral stock guide, install in jar internal filter assembly, be equipped with the feed inlet on the jar body, jar body lower extreme is equipped with solid discharge gate and liquid discharge gate, and filter assembly is located between spiral stock guide lower extreme and the solid discharge gate, and filter assembly includes filter screen and discharging pipe, and the filter screen is cut apart into first cavity and second cavity with jar internal chamber, liquid discharge gate intercommunication second cavity, discharging pipe one end intercommunication filter screen upper end and other end intercommunication solid discharge gate are equipped with the on-off valve on the solid discharge gate. The spiral material guide plate drives the solid material to move towards the solid discharge hole through the discharge pipe, so that discharging is completed. Because the spiral guide plate drives the solid material, the solid material can be less retained in the shell, and the subsequent working procedures or subsequent cleaning are facilitated.

Description

Filter press

Technical Field

The application relates to the technical field of solid-liquid separation, in particular to a filter press.

Background

The filter press is a device for separating solid and liquid of materials through a filtering unit, is mainly applied to the chemical industry and is used for extracting chlorosulfonic acid liquid containing solids.

At present, the chinese patent with application number CN201911148312.6 discloses a disc filter press, which comprises a disc filter press shell, vertical stacked filter discs arranged in the disc filter press shell, a main shaft fixed with the filter discs, and a rotating mechanism for turning over the disc filter press shell, wherein the upper end of the disc filter press shell is provided with a cleaning liquid inlet, and the bottom of the disc filter press shell is provided with a clear liquid outlet and a soil discharge pipe.

When the material gets into from the washing liquid import, filter on filtering the disc through the circulation, the material after the filtration is discharged through the clear liquid export, and the solid that stops on filtering the disc overturns disc filter press casing through rotary mechanism, relies on gravity to discharge it from the calandria.

The above prior art solutions have the following drawbacks: after the solid-liquid separation is finished, the shell of the disc filter press is overturned, and the solid staying on the filter disc after filtration is discharged from the bottom of the shell of the filter press only by the dead weight, so that more solid materials can be remained in the shell of the filter press.

SUMMERY OF THE UTILITY MODEL

In order to increase the discharge rate of the solid material,

the application provides a pressure filter adopts following technical scheme:

the utility model provides a filter press, includes the support, install the jar body on the support, locate jar internal spiral stock guide, be used for ordering about the relative jar body pivoted driving piece of spiral stock guide, install in jar internal filter assembly, be equipped with the feed inlet on the jar body, jar body lower extreme is equipped with solid discharge gate and liquid discharge gate, filter assembly is located between spiral stock guide lower extreme and the solid discharge gate, filter assembly includes filter screen and discharging pipe, the filter screen is cut apart into first cavity and second cavity with jar internal chamber, liquid discharge gate intercommunication second cavity, discharging pipe one end intercommunication filter screen upper end and other end intercommunication solid discharge gate, be equipped with the start-stop valve on the solid discharge gate.

Through adopting above-mentioned technical scheme, when filtering, the solid discharge gate is closed to the on-off valve on the solid discharge gate. The material that mixes solid-liquid is put into jar internal through the feed inlet earlier, and the relative jar of body of spiral stock guide rotates this moment to give the material a decurrent drive power, the material is extruded on the filter screen, and in the liquid material flowed into the second cavity from first cavity, solid material stayed in the first cavity, accomplished the filter-pressing separation to the material. After the collection of liquid materials is completed through the liquid discharge port, the opening and closing valve on the solid discharge port is opened, the spiral material guide plate continues to rotate relative to the tank body, and the solid materials are driven to move towards the solid discharge port through the discharge pipe, so that the discharge is completed. Because the spiral guide plate drives the solid material, the solid material can be less retained in the shell, and the subsequent working procedures or subsequent cleaning are facilitated.

Preferably, the driving member includes a main shaft rotatably connected in the tank body, a driving motor for driving the main shaft to rotate, and a fixing rod for fixedly connecting the main shaft and the spiral material guide plate, the spiral material guide plate is sleeved outside the main shaft, and two ends of the fixing rod are respectively fixedly connected to the inner wall of the spiral material guide plate and the outer wall of the main shaft.

By adopting the technical scheme, the spiral material guide plate can stably rotate relative to the tank body to complete the downward driving force of the spiral material guide plate on the material.

Preferably, at least two spiral guide plates are arranged along the circumferential direction of the main shaft.

By adopting the technical scheme, the spiral material guide plate can better give a downward driving force to the material, so that the material is subjected to solid-liquid separation through the filter screen.

Preferably, the filter screen includes filtering part and supporting part, the filtering part cross-section is convex setting and opening up, the filtering part passes through the supporting part and installs on the jar body.

Through adopting above-mentioned technical scheme, in filtering process, solid material can be retained on the filter house, and the filter house is convex setting, and reduction filter house plane that can be better is owing to receive the stress influence of solid material gravity, and takes place the probability of deformation.

Preferably, the lower end of the spiral material guide plate extends into a groove formed in the filtering part.

Preferably, the filter screen is equipped with two at least along the main shaft axial, and is close to the filter screen filtration pore aperture of first cavity and is greater than the filter screen filtration pore aperture of keeping away from first cavity, all filter screens are passed to the discharging pipe, and the discharging pipe upper end is connected in the filter screen of keeping away from first cavity the most.

By adopting the technical scheme, the materials can be subjected to multilayer filtration, and the efficiency of solid-liquid separation is improved as much as possible.

Preferably, the filtering component further comprises a mounting pressing plate, the mounting pressing plate is located above and abutted to the filter screen closest to the first cavity, a mounting bolt is arranged on the mounting pressing plate, and the mounting bolt penetrates through the mounting pressing plate and is connected to the discharging pipe in a threaded manner.

Through adopting above-mentioned technical scheme, through installing interconnect between the clamp plate with the filter screen to make the more stable installation of filter screen together.

Preferably, jar body components of a whole that can function independently sets up to go up jar unit and lower jar unit, go up and be the connection of dismantling between jar unit and the lower jar unit, the supporting part clamp of filter screen is established and is installed between last jar unit and lower jar unit.

Through adopting above-mentioned technical scheme, when needs wash the filter screen, can directly dismantle jar unit from last jar unit down, then wash dry the filter screen can, convenient operation.

Preferably, the periphery of the lower end of the upper tank unit is provided with an upper flange plate, the periphery of the upper end of the lower tank unit is provided with a lower flange plate, and the upper flange plate and the lower flange plate are fixedly installed through a bolt assembly.

Through adopting above-mentioned technical scheme, make jar unit and the stable connection of lower jar unit be in the same place through bolt assembly, also very convenient the dismantlement simultaneously.

Preferably, the tank unit goes up to be equipped with the spacing ring that is used for spacing supporting part along supporting part circumference, the supporting part inlays and locates in the holding tank that the spacing ring formed.

Through adopting above-mentioned technical scheme, spacing through the spacing ring makes the filter screen can be more stable the installation between upper flange dish and lower flange dish. Meanwhile, the limiting ring can play a role in positioning, so that the filter screen is not easy to deviate

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

1. after the filter pressing is finished, less solid materials are remained in the tank body;

2. the solid-liquid separation can be well carried out on the solid-liquid mixed material;

3. the filter assembly is convenient to clean and disassemble.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Fig. 2 is a sectional view of the embodiment.

Fig. 3 is a partial sectional view of the embodiment.

Fig. 4 is an exploded view of the filter assembly and lower tank unit in the example.

Description of reference numerals: 1. a support; 2. a tank body; 3. a spiral material guide plate; 4. a drive member; 5. a filter assembly; 6. a first cavity; 7. a second cavity; 8. a tank loading unit; 9. a tank lowering unit; 10. an upper flange plate; 11. a lower flange plate; 12. a bolt assembly; 13. a feed inlet; 14. a main shaft; 15. a drive motor; 16. fixing the rod; 17. a first filter screen; 18. a discharge pipe; 19. installing a pressing plate; 20. a second filter screen; 21. a filtering part; 22. a support portion; 23. a limiting ring; 24. a groove; 25. installing a bolt; 26. a solid discharge port; 27. a liquid discharge port; 28. and opening and closing the valve.

Detailed Description

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

The embodiment of the application discloses a filter press. Referring to fig. 1 and 2, a filter press includes a frame 1, a tank 2, a spiral guide plate 3, a driving member 4, and a filter assembly 5. The tank body 2 is arranged on the bracket 1, the spiral material guide plate 3 is arranged in the tank body 2, and the spiral material guide plate is driven by the driving piece 4 to rotate relative to the tank body 2. The filtering component 5 is arranged in the tank body 2 and is positioned below the spiral material guide plate 3. And the filter assembly 5 divides the inner cavity of the tank body 2 into a first cavity 6 and a second cavity 7.

When the filter assembly works, the driving piece 4 drives the spiral material guide plate 3 to rotate relative to the tank body 2, so that a downward driving force is given to materials in the tank body 2, the materials are extruded on the filter assembly 5, liquid moves into the second cavity 7 from the first cavity 6, and filter-pressing separation of solid-liquid mixed materials is completed.

Referring to fig. 1 and 2, in order to facilitate cleaning of the filter assembly 5, the tank body 2 includes an upper tank unit 8 and a lower tank unit 9. Specifically, the upper tank unit 8 is fixedly mounted on the bracket 1. The upper end of the upper tank unit 8 is arranged in a closed manner, and the lower end of the upper tank unit is arranged in an open manner. An upper flange plate 10 is arranged on the periphery of the lower end of the upper tank unit 8. The lower tank unit 9 is funnel-shaped, and the upper end of the lower tank unit 9 is provided with an opening. The periphery of the upper end of the lower tank unit 9 is provided with a lower flange 11. The upper flange plate 10 and the lower flange plate 11 are fixedly installed together through a bolt assembly 12.

When the upper tank unit 8 and the lower tank unit 9 are mounted together, the filter assembly 5 is sandwiched and mounted between the upper tank unit 8 and the lower tank unit 9, and closes the lower end opening of the upper tank unit 8 and the upper end opening of the lower tank unit 9. After a period of use, the bolt assembly 12 can be removed, allowing the lower tank unit 9 to be removed from the upper tank unit 8, and the filter assembly 5 to be removed, thereby allowing the filter assembly 5 to be cleaned and maintained and ensuring the efficiency of the press filtration separation.

Specifically, referring to fig. 2 and 3, the upper end of the upper tank unit 8 is provided with a feed inlet 13 for feeding. The driving member 4 comprises a main shaft 14, a driving motor 15 and a fixing rod 16, the main shaft 14 is rotatably connected in the upper tank unit 8, the upper end of the main shaft 14 penetrates through the upper tank unit 8, and the lower end of the main shaft 14 penetrates through the upper tank unit 8. The driving motor 15 body is fixedly arranged above the upper tank unit 8, and the output end of the driving motor 15 is connected to the upper end of the main shaft 14. The main shaft 14 can be driven to rotate relative to the upper tank unit 8 by a driving motor 15. The spiral material guiding plates 3 are sleeved outside the main shaft 14, and two spiral material guiding plates 3 are arranged along the circumferential direction of the main shaft 14. A plurality of fixing rods 16 are arranged at intervals along the track direction of the spiral material guiding plate 3, and two ends of each fixing rod 16 are respectively and fixedly connected to the inner wall of the spiral material guiding plate 3 and the outer wall of the main shaft 14. The spiral guide plate 3 is stably mounted on the main shaft 14 by a fixing rod 16, so that the spiral guide plate 3 can synchronously rotate with the main shaft 14 relative to the upper tank unit 8.

Referring to fig. 2 and 4, the filter assembly 5 comprises two filter screens 17 and a second filter screen 20, which are disposed axially along the main shaft 14, a discharge pipe 18, and a mounting pressure plate 19. The first filter screen 17 is located above the second filter screen 20, and the aperture of the filter holes of the first filter screen 17 is larger than that of the filter holes of the second filter screen 20. The filter screen includes filter house 21 and supporting part 22, and filter house 21 cross-section is arc setting and the opening up, and filter house 21 passes through supporting part 22 to be installed on lower jar unit 9. The lower end of the main shaft 14 and the lower end of the spiral guide plate 3 extend into a groove 24 formed in the filtering part 21.

Referring to fig. 2 and 4, a limiting ring 23 for limiting the supporting portion 22 is disposed on the lower tank unit 9 along the circumferential direction of the supporting portion 22, and the supporting portion 22 of the first filter screen 17 and the supporting portion 22 of the second filter screen 20 are sequentially embedded in an accommodating groove formed by the limiting ring 23 from top to bottom. And when the upper flange plate 10 and the lower flange plate 11 are fixedly connected together through the bolt assemblies 12, the first filter screen 17 and the second filter screen 20 abut against the upper flange plate 10 and the lower flange plate 11 respectively. So that the filter screen can be stably installed between the upper flange 10 and the lower flange 11.

Referring to fig. 3 and 4, the discharge pipe 18 is arranged coaxially with the main shaft 14, and the discharge pipe 18 passes through a first sieve 17 and a second sieve 20. The upper end of the discharge pipe 18 is fixedly connected to a second sieve 20. The mounting pressure plate 19 is located above the first screen 17 and abuts against the first screen 17. The mounting pressure plate 19 is provided with a mounting bolt 25, and the mounting bolt 25 passes through the mounting pressure plate 19 and is connected to the discharge pipe 18 in a threaded manner. The first filter screen 17 is pressed against the lower second filter screen 20 by the mounting pressing plate 19, so that the first filter screen 17 and the second filter screen 20 can be more stably mounted together.

Referring to fig. 2 and 4, the lower tank unit 9 is provided with a solid discharge port 26 and a liquid discharge port 27. The solid discharge port 26 is located at the lower end of the lower tank unit 9, and an on-off valve 28 is arranged on the solid discharge port 26. The lower end of the discharge pipe 18 is connected to the inner wall of the lower tank unit 9 and communicated with a solid discharge hole 26. The liquid outlet 27 is positioned at one side of the lower tank unit 9 and is communicated with the inner cavity of the lower tank unit 9.

After filter pressing, the liquid material is collected through the liquid discharge port 27, then the on-off valve 28 on the solid discharge port 26 is opened, and the spiral material guide plate 3 drives the solid material to move towards the solid discharge port 26 through the discharge pipe 18, so that the solid material is discharged.

The implementation principle of the filter press in the embodiment of the application is as follows:

1. before filter pressing, the solid discharge hole 26 is closed by the opening and closing valve 28;

2. putting the solid-liquid mixed material into the tank body 2 through the feed inlet 13;

3. the driving piece 4 drives the spiral material guide plate 3 to rotate relative to the tank body 2, the spiral material guide plate 3 provides a downward driving force for the materials, and the materials are extruded on the filter screen;

4. liquid materials flow into the second cavity 7 from the first cavity 6, solid materials are reserved in the first cavity 6, and filter pressing separation of the materials is completed;

5. the liquid in the second cavity 7 is discharged out of the second cavity 7 from the liquid discharge port 27, and the collection of the liquid material is completed;

6. opening the on-off valve 28 on the solid discharge port 26, and continuing to rotate the spiral material guide plate 3 relative to the tank body 2 to drive the solid material to move towards the solid discharge port 26 through the discharge pipe 18;

7. discharging the solid material from a solid discharge port 26 to finish deslagging;

8. after a period of use, the bolt assembly 12 can be removed, so that the filter assembly 5 can be taken down from the lower tank unit 9, and then the filter assembly 5 can be cleaned and dried directly.

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

1. A filter press, characterized by: comprises a bracket (1), a tank body (2) arranged on the bracket (1), a spiral material guide plate (3) arranged in the tank body (2), a driving piece (4) used for driving the spiral material guide plate (3) to rotate relative to the tank body (2), and a filtering component (5) arranged in the tank body (2), wherein a feeding hole (13) is arranged on the tank body (2), a solid discharging hole (26) and a liquid discharging hole (27) are arranged at the lower end of the tank body (2), the filtering component (5) is arranged between the lower end of the spiral material guide plate (3) and the solid discharging hole (26), the filtering component (5) comprises a filter screen and a discharging pipe (18), the filter screen divides the inner cavity of the tank body (2) into a first cavity (6) and a second cavity (7), the liquid discharging hole (27) is communicated with the second cavity (7), one end of the discharging pipe (18) is communicated with the upper end of the filter screen and the other end is communicated with the solid discharging hole (26), and an opening and closing valve (28) is arranged on the solid discharge hole (26).

2. A filter press according to claim 1, wherein: the driving piece (4) comprises a main shaft (14) rotatably connected in the tank body (2), a driving motor (15) used for driving the main shaft (14) to rotate, and a fixing rod (16) used for fixedly connecting the main shaft (14) and the spiral material guide plate (3), the spiral material guide plate (3) is sleeved outside the main shaft (14), and two ends of the fixing rod (16) are fixedly connected to the inner wall of the spiral material guide plate (3) and the outer wall of the main shaft (14) respectively.

3. A filter press according to claim 2, wherein: at least two spiral material guide plates (3) are arranged along the circumferential direction of the main shaft (14).

4. A filter press according to claim 3, wherein: the filter screen includes filter house (21) and supporting part (22), filter house (21) cross-section is arc setting and opening up, filter house (21) are installed on jar body (2) through supporting part (22).

5. A filter press according to claim 4, wherein: the lower end of the spiral material guide plate (3) extends into a groove (24) formed in the filtering part (21).

6. A filter press according to claim 4, wherein: the filter screen is equipped with at least two along the main shaft axial, and is greater than the filter screen filtration pore aperture of keeping away from first cavity (6) near the filter screen filtration pore aperture of first cavity (6), all filter screens are passed in discharging pipe (18), and discharging pipe (18) upper end is connected in the filter screen of keeping away from first cavity (6) the most.

7. A filter press according to claim 6, wherein: the filter assembly (5) is characterized by further comprising an installation pressing plate (19), the installation pressing plate (19) is located above and abutted to the filter screen closest to the first cavity (6), a mounting bolt (25) is arranged on the installation pressing plate (19), and the mounting bolt (25) penetrates through the installation pressing plate (19) and is in threaded connection with the discharging pipe (18).

8. A filter press according to claim 4, wherein: jar body (2) components of a whole that can function independently set up to go up jar unit (8) and lower jar unit (9), go up and be detachable connection between jar unit (8) and lower jar unit (9), supporting part (22) of filter screen press from both sides and establish and install between last jar unit (8) and lower jar unit (9).

9. A filter press according to claim 8, wherein: go up jar unit (8) lower extreme periphery and be equipped with upper flange dish (10), jar unit (9) upper end periphery is equipped with down flange dish (11) down, through bolt assembly (12) fixed mounting between upper flange dish (10) and lower flange dish (11).

10. A filter press according to claim 9, wherein: the tank descending unit (9) is provided with a limiting ring (23) used for limiting the supporting part (22) along the circumferential direction of the supporting part (22), and the supporting part (22) is embedded in an accommodating groove formed by the limiting ring (23).