Double-channel ceramic pump with filtering assembly

Abstract

The utility model discloses a two-channel ceramic pump with a filter assembly, which relates to the technical field of ceramic pumps and comprises a pump body, a liquid inlet, a liquid outlet, a ceramic plunger, a threaded groove and the filter assembly, and the filter assembly is used for filtering chippings generated by abrasion of the ceramic plunger. The filter assembly comprises a T-shaped fixing column, a filter cartridge, a conical filter element and a polygonal block. According to the utility model, through the arrangement of the filter assembly, scraps generated by abrasion of the ceramic plunger can be intercepted by the filter cartridge in the upward moving process of the ceramic plunger, so that the abraded scraps are effectively prevented from flowing into the next working procedure, and in the downward moving process of the ceramic plunger, the rubber sheet is subjected to liquid thrust from the lower part, so that the rubber sheet cannot be damaged. The rubber sheet is tightly attached to the surface of the conical filter element, the penetrating opening of the rubber sheet is completely blocked, and at the moment, liquid flows downwards through the filter holes of the conical filter element, so that secondary abrasion caused by the fact that abraded chippings flow downwards again and make contact with the ceramic plunger is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of ceramic pumps, in particular to a double-channel ceramic pump with a filtering component. Background Art

[0002] Ceramic plunger pump is a commonly used positive displacement pump, which is often used for the delivery and pressure reinforcement of high-pressure liquids. Ceramic plunger pump consists of a drive device, a plunger and a pump body. There are a series of plunger cavities inside the pump body, and each plunger cavity has a corresponding ceramic plunger. Its working principle is as follows:

[0003] Suction process: When the pressure in the plunger cavity of the pump body is lower than the pressure of the external liquid, the plunger will move backward, forming the suction stage, the suction valve opens, and the liquid enters the plunger cavity from the outside;

[0004] Pushing process: When the driving device applies force to push the plunger forward, the volume in the plunger cavity decreases and the liquid is forced to be discharged from the plunger cavity. At the same time, the suction valve is closed and the discharge valve is opened, and the liquid is pushed out of the pump body through the discharge valve;

[0005] Cyclic process: The plunger pump achieves continuous delivery of liquid by repeatedly sucking and pushing. The reciprocating motion of the drive device causes the plunger to continuously push in the pump body, generating a stable pressure and flow output;

[0006] The main advantages of ceramic plunger pumps are good corrosion resistance, high sealing performance, long life, etc. Due to the characteristics of ceramic materials, ceramic plungers can withstand high pressure and high temperature environments.

[0007] In actual use, the ceramic plunger pump will inevitably wear out during the reciprocating movement of the ceramic plunger. During long-term use, the wear debris is easily mixed in the conveying liquid and transported out, which is not conducive to the subsequent use of the liquid. Based on this, a dual-channel ceramic pump with a filter component is provided. Utility Model Content

[0008] The utility model aims to provide a dual-channel ceramic pump with a filter assembly in order to achieve the purpose of filtering wear debris of a ceramic plunger.

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dual-channel ceramic pump with a filter assembly, comprising a pump body, wherein both sides of the outer wall of the pump body are symmetrically fixedly connected with liquid inlets, one end of the outer wall of the pump body is fixedly connected with a liquid outlet, the liquid inlet and the liquid outlet are in conduction with the inner cavity of the pump body, a ceramic plunger is slidably connected to the inside of the pump body, the ceramic plunger extends to the bottom end of the pump body, a threaded groove is provided at the top end of the pump body, a filter assembly extending to the inside of the pump body is installed on the inner side of the threaded groove, and the filter assembly is used to filter debris generated by the wear of the ceramic plunger;

[0010] The filter assembly includes a T-shaped fixing column, a filter cartridge, a conical filter element and a polygonal block;

[0011] The T-shaped fixing column is threadedly connected to the inner side of the thread groove, and the top of the T-shaped fixing column is pressed on the top of the pump body. The filter cartridge is fixed to the bottom end of the T-shaped fixing column and extends to the inner side of the pump body and is located above the ceramic plunger. The filter cartridge blocks the ports of the liquid inlet and the liquid outlet.

[0012] The conical filter element fixes the bottom end of the filter cartridge and extends to the inner side of the filter cartridge. A through hole is opened at the top of the conical filter element located inside the filter cartridge, and a rubber sheet is bonded and fixedly connected to the top of the conical filter element. The rubber sheet is aligned with the through hole to cover the through hole.

[0013] The polygonal block is fixed on the top of the T-shaped fixing column and is sleeved on the outside of the polygonal block through an external tool for disassembling and assembling the T-shaped fixing column.

[0014] As a further solution of the utility model: the number of the rubber sheets and the through-holes is set in plurality and distributed in a ring shape, the edge of the rubber sheet close to the center of the conical filter element is bonded and fixed to the conical filter element, the other edges of the rubber sheet are not connected to the conical filter element, and the area of ​​the rubber sheet is larger than the area of ​​the through-holes.

[0015] As a further solution of the utility model: the outer wall side of the filter cartridge and the conical filter element is provided with annularly distributed filter holes, and the outer wall of the filter cartridge and the conical filter element is solid near the bottom end and no filter holes are provided.

[0016] As a further solution of the utility model: the positions of the liquid inlet and the liquid outlet ports are aligned with the filter hole distribution area of ​​the filter cartridge.

[0017] As a further solution of the utility model: an annular mounting groove is formed at the top of the bottom edge of the threaded groove, an annular seal is installed on the inner side of the annular mounting groove, and a docking groove matching the top of the annular seal is opened at the bottom of the T-shaped fixing column.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] By setting up a filter assembly, during the upward movement of the ceramic plunger, the debris generated by the wear of the ceramic plunger will be intercepted by the filter cartridge, effectively preventing the worn debris from flowing into the next process; during the downward movement of the ceramic plunger, the rubber sheet is thrust by the liquid from below, causing the rubber sheet to cling to the surface of the conical filter element, with its through-port completely blocked. At this time, the liquid will flow downward through the filter holes of the conical filter element, thus preventing the worn debris from flowing downward again and contacting the ceramic plunger to cause secondary wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 This is a structural cross-sectional view of the pump body of the utility model;

[0022] Figure 3 This is a cross-sectional exploded view of the pump body of the utility model;

[0023] Figure 4 It is a structural cross-sectional view of the filter assembly of the utility model.

[0024] In the figure: 1. pump body; 2. liquid inlet; 3. liquid outlet; 4. ceramic plunger; 5. threaded groove; 6. filter assembly; 601. T-shaped fixing column; 602. filter cartridge; 603. conical filter element; 604. rubber sheet; 605. polygonal block; 606. docking groove; 7. annular mounting groove; 8. annular seal. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 4 In the embodiment of the utility model, a dual-channel ceramic pump with a filter assembly includes a pump body 1, and the outer walls of the pump body 1 are symmetrically fixedly connected with liquid inlets 2 on both sides, and the outer wall of the pump body 1 is fixedly connected with a liquid outlet 3 at one end, and the liquid inlet 2 and the liquid outlet 3 are connected with the inner cavity of the pump body 1. The inside of the pump body 1 is slidably connected with a ceramic plunger 4, and the ceramic plunger 4 extends to the bottom end of the pump body 1. The top of the pump body 1 is provided with a thread groove 5, and the inner side of the thread groove 5 is installed with a filter assembly 6 extending to the inside of the pump body 1, and the filter assembly 6 is used to filter the debris generated by the wear of the ceramic plunger 4;

[0027] The filter assembly 6 includes a T-shaped fixing column 601, a filter cartridge 602, a conical filter element 603 and a polygonal block 605;

[0028] The T-shaped fixing column 601 is threadedly connected to the inner side of the thread groove 5, and the top of the T-shaped fixing column 601 is pressed on the top of the pump body 1. The filter cartridge 602 is fixed to the bottom end of the T-shaped fixing column 601 and extends to the inner side of the pump body 1 and is located above the ceramic plunger 4. The filter cartridge 602 blocks the ports of the liquid inlet 2 and the liquid outlet 3.

[0029] The conical filter element 603 fixes the bottom end of the filter cartridge 602 and extends to the inner side of the filter cartridge 602. A through hole is opened at the top of the conical filter element 603 located inside the filter cartridge 602, and a rubber sheet 604 is bonded and fixedly connected to the top of the conical filter element 603. The rubber sheet 604 is aligned with the through hole to cover the through hole.

[0030] The polygonal block 605 is fixed on the top of the T-shaped fixing column 601, and an external tool is sleeved on the outside of the polygonal block 605 to perform disassembly and assembly operations on the T-shaped fixing column 601;

[0031] There are multiple rubber sheets 604 and through-holes distributed in a ring shape. The edge of the rubber sheet 604 close to the center of the conical filter element 603 is bonded and fixed to the conical filter element 603, and the other edges of the rubber sheet 604 are not connected to the conical filter element 603, and the area of ​​the rubber sheet 604 is larger than the area of ​​the through-hole.

[0032] In this embodiment: it should be supplemented that: the two liquid inlets 2 are connected to the storage tanks of the two liquids to be transported through the suction valves, the liquid outlet 3 is connected to the output pipe through the discharge valve, and the ceramic plunger 4 is connected to the external driver;

[0033] The ceramic plunger 4 is driven to reciprocate by an external driver. When the ceramic plunger 4 moves downward, negative pressure is generated inside the pump body 1, and the suction valve is opened. The two liquids to be transported enter the pump body through the two liquid inlets 2 and flow to the inner area of ​​the filter cartridge 602. The two liquids are mixed inside the pump body 1.

[0034] Then the ceramic plunger 4 moves upward, the suction valve is closed, and the discharge valve is opened. At this time, the mixed liquid is discharged from the liquid outlet 3, thus realizing the mixed delivery operation of the two liquids.

[0035] When the ceramic plunger 4 moves upward, the rubber sheet 604 thereof is deformed and turned by the thrust of the liquid from below, so that the through-hole is opened, and the liquid below flows into the inner area of ​​the filter cartridge 602 through the through-hole. If the ceramic plunger 4 is worn, the worn debris will flow into the inner area of ​​the filter cartridge 602 along with the liquid, and when the liquid is discharged through the liquid outlet 3, the worn debris will be intercepted by the filter cartridge 602, effectively preventing the worn debris from flowing into the next process.

[0036] During the downward movement of the ceramic plunger 4, the rubber sheet 604 is thrust by the liquid from below, so that the rubber sheet 604 is tightly attached to the surface of the conical filter element 603, and its through-hole is completely blocked. At this time, the liquid will flow downward through the filter holes of the conical filter element 603, thus preventing the worn debris from flowing downward again and contacting the ceramic plunger 4 to cause secondary wear.

[0037] Please refer to Figures 2 to 4 , the outer wall side of the filter cartridge 602 and the conical filter element 603 is provided with annularly distributed filter holes, and the outer wall of the filter cartridge 602 and the conical filter element 603 near the bottom is solid and has no filter holes;

[0038] The positions of the liquid inlet 2 and the liquid outlet 3 are aligned with the filter hole distribution area of ​​the filter cartridge 602 .

[0039] In this embodiment: the filter holes are arranged so that the filter cartridge 602 and the conical filter element 603 have the function of filtering wear debris, and the outer walls of the filter cartridge 602 and the conical filter element 603 are solid structures near the bottom ends, so that a liquid flow buffer zone is formed on the inner sides of the bottoms of the filter cartridge 602 and the conical filter element 603, and the liquid in this area flows slowly. During the downward movement of the ceramic plunger 4, the liquid flows downward to flush the wear debris to this area, and during the upward movement of the ceramic plunger 4, the liquid in this area will not be impacted by the upward flowing liquid, so that the wear debris is deposited here, thereby realizing the collection operation of the wear debris.

[0040] Please refer to Figures 2 to 4 An annular mounting groove 7 is formed at the top of the bottom edge of the thread groove 5, an annular sealing member 8 is installed inside the annular mounting groove 7, and a docking groove 606 matching the top of the annular sealing member is formed at the bottom of the T-shaped fixing column 601.

[0041] In this embodiment, this structure ensures good sealing between the T-shaped fixing column 601 and the pump body 1 , thereby ensuring the sealing effect of the inner side of the pump body 1 .

[0042] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A dual-channel ceramic pump with a filter assembly, comprising a pump body (1), wherein both sides of the outer wall of the pump body (1) are symmetrically fixedly connected with liquid inlets (2), and one end of the outer wall of the pump body (1) is fixedly connected with a liquid outlet (3), wherein the liquid inlet (2) and the liquid outlet (3) are connected to the inner cavity of the pump body (1), and a ceramic plunger (4) is slidably connected to the interior of the pump body (1), and the ceramic plunger (4) extends to the bottom end of the pump body (1), characterized in that: The top of the pump body (1) is provided with a thread groove (5), and a filter assembly (6) extending into the interior of the pump body (1) is installed on the inner side of the thread groove (5), and the filter assembly (6) is used to filter debris generated by wear of the ceramic plunger (4); The filter assembly (6) comprises a T-shaped fixing column (601), a filter cartridge (602), a conical filter element (603) and a polygonal block (605); The T-shaped fixing column (601) is threadedly connected to the inner side of the thread groove (5), and the top of the T-shaped fixing column (601) is pressed against the top of the pump body (1). The filter cartridge (602) is fixed to the bottom end of the T-shaped fixing column (601) and extends to the inner side of the pump body (1) and is located above the ceramic plunger (4). The filter cartridge (602) blocks the ports of the liquid inlet (2) and the liquid outlet (3). The conical filter element (603) fixes the bottom end of the filter cartridge (602) and extends to the inner side of the filter cartridge (602); a through opening is provided at the top of the conical filter element (603) located inside the filter cartridge (602); and a rubber sheet (604) is bonded and fixedly connected to the top of the conical filter element (603); the rubber sheet (604) is aligned with the through opening to achieve shielding of the through opening; The polygonal block (605) is fixed on the top of the T-shaped fixing column (601), and is sleeved on the outside of the polygonal block (605) through an external tool for disassembling and assembling the T-shaped fixing column (601).

2. A dual-channel ceramic pump with a filter assembly according to claim 1, characterized in that: The rubber sheet (604) and the through-hole are provided in a plurality and are distributed in a ring shape. The edge of the rubber sheet (604) close to the center of the conical filter element (603) is bonded and fixed to the conical filter element (603), the other edges of the rubber sheet (604) are not connected to the conical filter element (603), and the area of ​​the rubber sheet (604) is larger than the area of ​​the through-hole.

3. A dual-channel ceramic pump with a filter assembly according to claim 1, characterized in that: The outer wall side surfaces of the filter cartridge (602) and the conical filter element (603) are provided with annularly distributed filter holes, and the outer walls of the filter cartridge (602) and the conical filter element (603) are solid near the bottom and are not provided with filter holes.

4. A dual-channel ceramic pump with a filter assembly according to claim 1, characterized in that: The positions of the liquid inlet (2) and the liquid outlet (3) are aligned with the filter hole distribution area of ​​the filter cartridge (602).

5. A dual-channel ceramic pump with a filter assembly according to claim 1, characterized in that: An annular mounting groove (7) is formed at the top of the bottom edge of the threaded groove (5), an annular sealing member (8) is installed inside the annular mounting groove (7), and a docking groove (606) matching the top of the annular sealing member (8) is formed at the bottom of the T-shaped fixing column (601).

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