Circulating deslagging filter

Abstract

The utility model discloses a circulating deslagging filter which comprises a main body assembly welding piece, a liquid inlet channel is arranged on the upper side of the main body assembly welding piece, a liquid outlet is arranged on the lower side of the main body assembly welding piece, a fixing plate is welded in the main body assembly welding piece, the fixing plate is located on the left side of the liquid inlet channel, and a piston guide assembly is arranged on the right side of the fixing plate. A slag discharging filter screen is arranged on the left side, three through holes are formed in the piston guide assembly and located in the lower side of the piston guide assembly, the piston guide assembly is provided with a piston assembly in a matched mode, and the piston assembly is arranged on the piston guide assembly in a matched mode. And the piston guide assembly is fixedly connected with the piston assembly through an eyelet bolt.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a circulating slag discharging filter. Background Art

[0002] In the production of factories, it is often necessary to collect and process the residues after the reaction. Most of the residues contain moisture, making it inconvenient to handle and recycle the residues. Therefore, it is necessary to filter the residues to remove the liquid in the residues and then process the residues. Now, a filter that completes the concentration and discharge of residues by piston extrusion is introduced.

[0003] However, in the process of implementing the technical solution of the utility model in the embodiments of the present application by the applicant, it is found that the above technology has at least the following technical problems: the existing slag discharging filter screen needs to be washed or replaced after being used for a period of time. At this time, the disassembly and assembly are rather cumbersome and cannot meet the on-site requirements; most of the existing pistons are made of rubber materials and are prone to deformation when compressed, etc., which will cause the residues to adhere to the filter screen and cannot meet the on-site working requirements. It is necessary to recycle the waste liquid to meet the environmental protection requirements. Summary of the Utility Model

[0004] The embodiment of the present application provides a circulating slag discharging filter, which solves the problem of cumbersome disassembly and assembly of the filter screen assembly in the prior art, improves the service strength of the piston, realizes the recycling of the waste liquid, and improves the environmental protection effect.

[0005] The embodiment of the present application provides a circulating slag discharging filter, including a main body welded assembly. An inlet liquid channel is arranged on the upper side of the main body welded assembly, and a liquid discharge port is arranged on the lower side. A fixing plate is welded inside the main body welded assembly. The fixing plate is located on the left side of the inlet liquid channel. A piston guiding assembly is arranged on the right side of the fixing plate, and a slag discharging filter screen is arranged on the left side. Three through holes are arranged on the piston guiding assembly, and the through holes are located on the lower side of the piston guiding assembly. The piston guiding assembly is provided with a piston assembly in a matching manner, and the piston guiding assembly and the piston assembly are fixedly connected by a knuckle bolt.

[0006] The piston assembly includes a cylinder, a piston fixing plate and a piston sieve plate. A fixing seat is fixed on the cylinder by four stud bolts. Four fixing grooves are uniformly arranged on the fixing seat, and the fixing grooves are mutually matched and locked with the knuckle bolts. A push rod is arranged inside the cylinder. A stuffing box is arranged between the push rod and the fixing seat. A gland is arranged on one side of the stuffing box. A keyway is arranged on the push rod, and the keyway is mutually matched with the piston fixing plate. A piston sieve plate and a piston pressing plate are sequentially arranged on the right side of the piston fixing plate. The piston fixing plate, the piston sieve plate and the piston pressing plate are fixed on the push rod by a locking nut.

[0007] The material of the piston sieve plate is high-wear-resistant PTFE. The piston fixing plate and the piston pressing plate have the same diameter. The diameter of the piston fixing plate is smaller than that of the piston sieve plate. A fixing boss is provided in the middle of the piston fixing plate. The fixing boss is matched with the fixing holes in the middle of the piston sieve plate and the piston pressing plate. The fixing boss and the piston fixing plate are integrally formed, and the thickness of the fixing boss is 1-3 mm smaller than the thickness of the piston sieve plate and the piston pressing plate.

[0008] Filter holes are evenly arranged on the piston sieve plate, and four drain holes are evenly arranged on the piston fixing plate and the piston pressing plate.

[0009] The left end of the piston guiding component is embedded in the fixing plate, and the embedding depth is half of the thickness of the fixing plate. The slag discharge filter screen is embedded in the fixing plate. The right end of the slag discharge filter screen is closely attached to the piston guiding component. The left end of the slag discharge filter screen is limited and fixed by a slag discharge valve. The outer ring of the piston guiding component is connected and fixed to the fixing plate by bolts.

[0010] Annular reinforcing ribs are evenly arranged on the surface of the slag discharge filter screen, and the reinforcing ribs are connected and fixed to the filter screen component by welding.

[0011] The liquid inlet channel and the drain port are integrally formed with the main body group welding part. A connecting flange is provided at the outer end of the liquid inlet channel. An air supplement pipeline is communicated on one side of the liquid inlet channel. The air supplement pipeline and the liquid inlet channel are integrally formed. The drain port is connected to a circulating pump, and the drain port is located below the slag discharge filter screen component.

[0012] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0013] By arranging the fixing plate to fix the piston guiding component, it is convenient for disassembly and assembly. Through the fixing plate and the main body welding part, it is convenient to install the slag discharge filter screen. The whole slag discharge filter screen is installed and fixed by limiting, and the slag discharge filter screen can be installed by directly inserting it. The installation and removal are convenient and fast, which is convenient for cleaning or replacing the slag discharge filter screen. The slag discharge filter screen adopts annular reinforcing ribs, which can effectively improve the service strength of the slag discharge filter screen and is not easy to deform when the piston compresses the waste residue.

[0014] By arranging the piston guiding component, it can effectively guide the piston component to compress and push out the waste residue. The through holes on the piston guiding component are used for the liquid to flow out when the piston component compresses the waste residue.

[0015] The piston uses a piston fixing plate and a piston pressing plate in cooperation with a locking nut to fix the piston sieve plate. The piston sieve plate is made of highly wear-resistant PTFE material, which is not only strong and durable, but also scrapes cleanly, and is convenient and fast to disassemble, install and replace; the main body weldment and the piston assembly are connected and fixed by means of a knuckle bolt and a fixing groove, which is not only convenient for disassembly and assembly, but also more reliable in connection and fixation; the function of the air supplement pipeline is to supplement the internal pressure through air intake when draining liquid inside the main body weldment, and the drain port can recycle the waste liquid inside to improve the environmental protection performance of the equipment. Brief Description of the Drawings

[0016] Figure 1 is a structural schematic diagram of the present utility model;

[0017] Figure 2 is an exploded view of the present utility model;

[0018] Figure 3 is a structural schematic diagram of the piston assembly in the present utility model. Detailed Description of the Invention

[0019] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings of the specification and specific embodiments.

[0020] A piston-type filtering and slag discharging device includes a main body welded assembly 1. An inlet liquid passage 101 is arranged on the upper side of the main body welded assembly 1, and a drain port 601 is arranged on the lower side. A fixing plate 5 is welded inside the main body welded assembly 1. The fixing plate 5 is located on the left side of the inlet liquid passage 101. A piston guiding assembly 4 is arranged on the right side of the fixing plate 5, and a slag discharging filter screen 6 is arranged on the left side. Three through holes 401 are arranged on the piston guiding assembly 4. The through holes 401 are located on the lower side of the piston guiding assembly 4. The piston guiding assembly 4 is provided with a piston assembly 3 in a matching manner. The piston guiding assembly 4 and the piston assembly 3 are connected and fixed by a knuckle bolt 2.

[0021] The described piston assembly 3 includes a cylinder 301, a piston fixing plate 304, and a piston sieve plate 305. A fixing seat 302 is fixed on the cylinder 301 by four stud bolts. Four fixing grooves are evenly arranged on the fixing seat 302, and the fixing grooves cooperate with the turnbuckle bolts 2 for locking. A push rod 308 is arranged inside the cylinder 301. A stuffing box is arranged between the push rod 308 and the fixing seat 302. A gland is arranged on one side of the stuffing box. A keyway 303 is arranged on the push rod 308, and the keyway 303 cooperates with the piston fixing plate 304. On the right side of the piston fixing plate 304, a piston sieve plate 305 and a piston pressing plate 306 are arranged in sequence. The piston fixing plate 304, the piston sieve plate 305, and the piston pressing plate 306 are fixed on the push rod 308 by a locking nut 307. The material of the piston sieve plate 305 is high wear-resistant PTFE. The piston fixing plate 304 and the piston pressing plate 306 have the same diameter. The diameter of the piston fixing plate 304 is smaller than that of the piston sieve plate 305. A fixing boss is arranged in the middle of the piston fixing plate 304, and the fixing boss cooperates with the fixing holes in the middle of the piston sieve plate 305 and the piston pressing plate 306. The fixing boss and the piston fixing plate 304 are integrally formed, and the thickness of the fixing boss is 1 - 3 mm smaller than the thickness of the piston sieve plate 305 and the piston pressing plate 306. Filter holes are evenly arranged on the piston sieve plate 305, and four drain holes are evenly arranged on the piston fixing plate 304 and the piston pressing plate 306.

[0022] The left end of the described piston guiding assembly 4 is embedded in the fixing plate 5, and the embedding depth is half of the thickness of the fixing plate 5. The slag discharge filter screen 6 is embedded in the fixing plate 5. The right end of the slag discharge filter screen 6 is closely attached to the piston guiding assembly 4. The left end of the slag discharge filter screen 6 is limited and fixed by a slag discharge valve. The outer ring of the piston guiding assembly 4 is connected and fixed to the fixing plate 5 by bolts. Annular reinforcing ribs are evenly arranged on the surface of the slag discharge filter screen 6, and the reinforcing ribs are connected and fixed to the filter screen assembly by welding. The liquid inlet channel 101 and the liquid discharge port 601 are integrally formed with the main body assembly 1. A connecting flange is arranged at the outer end of the liquid inlet channel 101. An air supplementing pipeline 102 is communicated with one side of the liquid inlet channel 101, and the air supplementing pipeline 102 is integrally formed with the liquid inlet channel 101. The liquid discharge port 601 is connected to a circulating pump, and the liquid discharge port 601 is located below the slag discharge filter screen 6 assembly.

[0023] The piston guide assembly 4 is fixed by setting the fixed plate 5, which facilitates disassembly and assembly. The installation of the slag discharge filter screen 6 is facilitated by the fixed plate 5 and the main body weldment. The whole slag discharge filter screen 6 is fixed by limit installation. The slag discharge filter screen 6 can be installed simply by inserting it directly, and the installation and removal are convenient and fast, which is conducive to the cleaning or replacement of the slag discharge filter screen 6. The slag discharge filter screen 6 adopts annular reinforcing ribs, which can effectively improve the service strength of the slag discharge filter screen 6 and is not prone to deformation when the piston compresses the waste slag. By setting the piston guide assembly 4, the piston assembly 3 can be effectively guided to compress and push out the waste slag. The through hole 401 on the piston guide assembly 4 is used for the liquid to flow out when the piston assembly 3 compresses the waste slag.

[0024] The piston uses a piston fixing plate 304 and a piston pressing plate 306 to cooperate with a locking nut 307 to fix the piston sieve plate 305. The piston sieve plate 305 is made of highly wear-resistant PTFE material, which is not only strong and durable, but also has clean scraping, and the disassembly, installation and replacement are convenient and fast. The main body weldment and the piston assembly 3 are connected and fixed by means of a loose joint bolt 2 and a fixed groove, which is not only convenient for disassembly and assembly, but also the connection and fixation are more reliable. The function of the air supply pipeline 102 is to supplement the internal pressure through air intake when the liquid is drained inside the main body weldment. The drain port 601 can recycle the waste liquid inside to improve the environmental protection performance of the equipment.

[0025] Working principle: The thick slurry of the liquid enters the interior of the main body assembly 1 from the liquid inlet. The liquid enters through the through hole 401 on the piston guide assembly 4. The push rod 308 pushes the piston to push the thick slurry into the slag discharge filter screen 6. After the slag discharge filter screen 6 filters, the large-particle residues are left in the filter screen. The piston sieve on the piston scrapes the residues on the filter screen and pushes and compresses them towards the slag discharge valve side. The compressed liquid passes through the filter holes on the piston sieve and the slag discharge filter screen 6 and is discharged from the rear side of the piston sieve. The discharged filtrate is discharged to the interior of the main body assembly 1 through the slag discharge filter screen 6 and the through hole 401, and the filtrate is discharged through the drain port 601 for recycling. After the large-particle residues in the slag discharge filter screen 6 form a filter cake after multiple compressions, the slag discharge valve is opened, and the piston assembly 3 is used to push out the filter cake.

[0026] Although the preferred embodiments of the present invention have been described, those skilled in the art can make additional changes and modifications to these embodiments once they know the basic creative concepts. Therefore, the appended claims are intended to be construed to include the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0027] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention is also intended to include these modifications and variations.

Claims

1. A circulating slag-discharging filter, comprising a main body welded assembly, characterized in that, An inlet liquid channel is arranged on the upper side of the main body group weldment, and a liquid discharge port is arranged on the lower side. A fixed plate is welded inside the main body welding assembly. The fixed plate is located on the left side of the inlet liquid channel. A piston guiding assembly is arranged on the right side of the fixed plate, and a slag discharge filter screen is arranged on the left side. Three through holes are arranged on the piston guiding assembly, and the through holes are located on the lower side of the piston guiding assembly. The piston guiding assembly is provided with a piston assembly in a matching manner, and the piston guiding assembly and the piston assembly are fixedly connected by a knuckle bolt.

2. The circulating slag-discharging filter according to claim 1, wherein The piston assembly includes a cylinder, a piston fixing plate and a piston sieve plate. A fixed seat is fixed on the cylinder through four stud bolts. Four fixed grooves are evenly arranged on the fixed seat, and the fixed grooves are mutually matched and locked with the knuckle bolts. A push rod is arranged inside the cylinder. A stuffing box is arranged between the push rod and the fixed seat. A gland is arranged on one side of the stuffing box. A keyway is arranged on the push rod, and the keyway is mutually matched with the piston fixing plate. A piston sieve plate and a piston pressing plate are sequentially arranged on the right side of the piston fixing plate. The piston fixing plate, the piston sieve plate and the piston pressing plate are fixed on the push rod through lock nuts.

3. The circulating slag-discharging filter according to claim 2, wherein, The material of the piston sieve plate is high wear-resistant PTFE. The piston fixing plate and the piston pressing plate have the same diameter. The diameter of the piston fixing plate is smaller than that of the piston sieve plate. A fixed boss is arranged in the middle of the piston fixing plate. The fixed boss is matched with the fixing holes in the middle of the piston sieve plate and the piston pressing plate. The fixed boss and the piston fixing plate are integrally formed, and the thickness of the fixed boss is 1-3 mm smaller than the thickness of the piston sieve plate and the piston pressing plate.

4. The circulating slag-discharging filter according to claim 2, characterized in that, Filter holes are evenly arranged on the piston sieve plate, and four liquid discharge holes are evenly arranged on the piston fixing plate and the piston pressing plate.

5. The circulating slag-discharging filter according to claim 1, wherein The left end of the piston guiding assembly is embedded in the fixed plate, and the embedding depth is half of the thickness of the fixed plate. The slag discharge filter screen is embedded in the fixed plate. The right end of the slag discharge filter screen is closely attached to the piston guiding assembly. The left end of the slag discharge filter screen is limited and fixed by a slag discharge valve. The outer ring of the piston guiding assembly is connected and fixed to the fixed plate by bolts.

6. The circulating slag-discharging filter according to claim 1, wherein Annular reinforcing ribs are evenly arranged on the surface of the slag discharge filter screen, and the reinforcing ribs are connected and fixed to the filter screen assembly by welding.

7. The circulating slag-discharging filter according to claim 1, wherein The inlet liquid channel and the liquid discharge port are integrally formed with the main body group weldment. A connecting flange is arranged at the outer end of the inlet liquid channel. An air supplement pipeline is communicated with one side of the inlet liquid channel, and the air supplement pipeline is integrally formed with the inlet liquid channel. The liquid discharge port is connected to a circulating pump, and the liquid discharge port is located on the lower side of the slag discharge filter screen assembly.

Images