Corrosion-resistant slurry pump
By installing a protective shell and protective coating on the inner wall of the slurry pump, the wear and corrosion problems of the slurry pump are solved, and the corrosion resistance and service life are improved.
Patent Information
- Application Number
- CN202423017248.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-12-09
AI Technical Summary
During the use of the slurry pump, the solid impurities in the mud collide with the inner wall, causing wear and corrosion, which reduces the corrosion resistance and service life of the slurry pump.
A protective mechanism is adopted, including a protective shell and a protective coating. The protective coating made of polytetrafluoroethylene material and the protective shell made of carbon fiber material are fixed to the inner wall of the shell through a mounting mechanism to form a protective layer to prevent wear and corrosion.
The corrosion resistance of the slurry pump is improved, the service life is extended, and the damage to the inner wall is reduced.
Smart Images

Figure CN223344277U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of slurry pumps, in particular to a corrosion-resistant slurry pump. Background Art
[0002] Slurry pump is a centrifugal pump. Conceptually, it refers to a machine that increases the energy of solid-liquid mixed medium by using the centrifugal force of the rotation of the pump impeller. It is a device that converts electrical energy into kinetic energy and potential energy of the medium. It is mainly suitable for mining, power plants, dredging, metallurgy, chemical industry, building materials and petroleum industries.
[0003] When the slurry pump is operating, the mud-like solid-liquid mixture flows in its inner cavity. The solid impurities contained in the mud will collide with the inner wall of the slurry pump, and the solid impurities will easily wear the inner wall. At the same time, the mixture will corrode the slurry pump casing from the wear position, reducing the corrosion resistance of the slurry pump and shortening the service life of the slurry pump. Utility Model Content
[0004] The purpose of the utility model is to provide a corrosion-resistant slurry pump to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the present utility model provides the following technical solutions: a corrosion-resistant slurry pump, comprising a slurry pump body;
[0006] A housing, the housing being arranged at one end of the slurry pump body;
[0007] It also includes a protection mechanism, which is arranged on the inner wall of the shell and is used to protect the inner wall of the shell;
[0008] The mounting mechanism is arranged on the protective mechanism and is used to mount and fix the protective mechanism on the inner wall of the shell.
[0009] Preferably, the protection mechanism includes:
[0010] A protective shell is disposed in the inner cavity of the outer shell, and the outer wall of the protective shell is in contact with the inner wall of the outer shell;
[0011] The protective coating is arranged on the inner wall of the protective shell and is made of polytetrafluoroethylene material.
[0012] Preferably, the protection mechanism further comprises:
[0013] A snap-fitting slot, which is provided on the inner wall of the protective shell and is in the form of a square slot;
[0014] The clamping block is slidably connected with the inner cavity of the clamping groove, and the clamping block is arranged between the protective shells.
[0015] Preferably, the mounting mechanism includes:
[0016] A mounting slot, the mounting slot being arranged at one end of the clamping block, the mounting slot being arranged in a T-shape;
[0017] a bolt, one end of which is slidably connected to the inner cavity of the mounting groove, and one end of which is threadedly connected to the inner wall of the housing;
[0018] The sealing ring is arranged in the inner cavity of the installation groove and is slidably connected with one end of the bolt.
[0019] Preferably, the mounting mechanism further comprises:
[0020] A positioning rod, one end of which is fixedly connected to the outer wall of the other end of the clamping block, and one end of which is slidably connected to the protective shell;
[0021] The positioning hole is provided on the inner wall of the shell, and the inner cavity of the positioning hole is slidably inserted and connected with one end of the positioning rod.
[0022] Preferably, the protective shell has the same shape as the outer shell, one side of the protective shell is in contact with the outer shell, a through hole is provided in the middle of the protective shell, and the protective shell is made of carbon fiber material.
[0023] Technical effects and advantages of this utility model:
[0024] The utility model utilizes a setting mode that cooperates with a protective shell, a clamping groove, a clamping block, a positioning rod, a positioning hole and a bolt. By installing the two protective shells in the inner cavity of the outer shell, the clamping grooves on the opposite sides of the two protective shells are aligned, and then the clamping block is slid and inserted into the inner cavity of the clamping groove, the two protective shells are limitedly connected, and one end of the positioning rod is driven to slide and insert into the inner cavity of the positioning hole to ensure the stability of the two protective shells. Then, the bolt is tightened, and one end passes through the installation groove and the protective shell and is threadedly connected to the outer shell. The clamping block and the protective shell are squeezed and fixed, and the protective shell is installed on the inner wall of the outer shell. The protective shell is used to protect the inner wall of the outer shell to prevent the inner wall of the outer shell from being damaged, thereby improving the corrosion resistance of the slurry pump. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0026] Figure 2 It is a schematic diagram of the side sectional structure of the shell of the utility model.
[0027] Figure 3 This is a schematic diagram of the side sectional structure of the protective shell of the utility model.
[0028] Figure 4 This is a schematic diagram of the side sectional structure of the protective coating of the utility model.
[0029] Figure 5 For this utility model Figure 4 A is an enlarged structural diagram of FIG.
[0030] In the figure: 1. Slurry pump body; 2. Outer shell; 3. Protective mechanism; 31. Protective shell; 32. Protective coating; 33. Snap-in groove; 34. Snap-in block; 4. Mounting mechanism; 41. Mounting groove; 42. Bolt; 43. Sealing ring; 44. Positioning rod; 45. Positioning hole. DETAILED DESCRIPTION
[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0032] The utility model provides Figure 1-5 A corrosion-resistant slurry pump shown includes a slurry pump body 1, a shell 2, a protective mechanism 3 and an installation mechanism 4. The shell 2 is arranged at one end of the slurry pump body 1. The shell 2 is arranged on the outside of the slurry pump impeller to protect the impeller, and the slurry is circulated and transported in the inner cavity of the shell 2. The protective mechanism 3 is arranged on the inner wall of the shell 2. The protective mechanism 3 is used to protect the inner wall of the shell 2. The inner wall of the shell 2 is protected by the protective mechanism 3 to reduce damage to the inner wall of the shell 2. The installation mechanism 4 is arranged on the protective mechanism 3. The installation mechanism 4 is used to install and fix the protective mechanism 3 on the inner wall of the shell 2. The protective mechanism 3 is fixedly installed by the installation mechanism 4, and it is convenient to install and disassemble the protective mechanism 3, and it is convenient to replace the protective mechanism 3.
[0033] Specifically, the protective mechanism 3 includes a protective shell 31, a protective coating 32, a snap-in groove 33 and a snap-in block 34. The protective shell 31 is arranged in the inner cavity of the shell 2. The outer wall of the protective shell 31 fits with the inner wall of the shell 2. The protective structure is formed by splicing the two protective shells 31, which fits with the inner wall of the shell 2 to protect the inner wall of the shell 2. The protective coating 32 is arranged on the inner wall of the protective shell 31. The protective coating 32 is made of polytetrafluoroethylene material. The protective coating 32 is evenly arranged on the inner wall of the protective shell 31, which reduces the wear and corrosion of the protective shell 31 and improves the service life of the protective shell 31. The snap-in groove 33 is arranged on the inner wall of the protective shell 31, and the snap-in groove 33 is square. The two snap-in grooves 33 are respectively provided on the two protective shells 31 for installing the snap-in blocks 34. The snap-in blocks 34 are slidably inserted into the inner cavity of the snap-in grooves 33 and are provided between the protective shells 31. The snap-in blocks 34 are used to connect and limit the two protective shells 31 to ensure that the two protective shells 31 are stably installed on the inner wall of the outer shell 2. By installing the two protective shells 31 in the inner cavity of the outer shell 2, the snap-in grooves 33 on the opposite sides of the two protective shells 31 are aligned, and then the snap-in blocks 34 are slidably inserted into the inner cavity of the snap-in grooves 33 to limit the connection of the two protective shells 31. The protective shell 31 is used to protect the inner wall of the outer shell 2 to prevent the inner wall of the outer shell 2 from being damaged.
[0034] Furthermore, the mounting mechanism 4 includes a mounting groove 41, a bolt 42, a sealing ring 43, a positioning rod 44 and a positioning hole 45. The mounting groove 41 is provided at one end of the clamping block 34. The mounting groove 41 is provided in a T-shaped manner. The mounting groove 41 is used to install the bolt 42. One end of the bolt 42 is slidably inserted and connected with the inner cavity of the mounting groove 41. One end of the bolt 42 is threadedly connected with the inner wall of the shell 2. By passing one end of the bolt 42 through the mounting groove 41 and threading the protective shell 31 with the shell 2, the clamping block 34 and the protective shell 31 are fixed. The clamping block 34 and the bolt 42 are installed by extrusion through the opening on one side of the shell 2. The sealing ring 43 is set in the inner cavity of the installation groove 41. The sealing ring 43 is slidably inserted and connected with one end of the bolt 42. The sealing ring 43 is made of rubber material. The sealing ring 43 is squeezed and deformed by the bolt 42 to ensure the sealing of the position of one end of the bolt 42. One end of the positioning rod 44 is fixedly connected to the outer wall of the other end of the clamping block 34. One end of the positioning rod 44 is slidably inserted and connected with the protective shell 31. The positioning rod 44 moves with the clamping block 34. Move together to connect the protective shell 31. The positioning hole 45 is provided on the inner wall of the shell 2. The inner cavity of the positioning hole 45 is connected with one end of the positioning rod 44 by sliding. The positioning hole 45 is used to install the positioning rod 44. By sliding the clamping block 34 into the inner cavity of the clamping groove 33, the positioning rod 44 is driven to slide into the inner cavity of the positioning hole 45 to position and install the protective shell 31. By installing the two protective shells 31 in the inner cavity of the shell 2, the clamping grooves 33 on the opposite sides of the two protective shells 31 are aligned. , then slide the clamping block 34 into the inner cavity of the clamping groove 33, limit the connection of the two protective shells 31, drive one end of the positioning rod 44 to slide and insert into the inner cavity of the positioning hole 45, ensure the stability of the two protective shells 31, and then turn and tighten the bolt 42, one end of which passes through the installation groove 41 and the protective shell 31 and is threadedly connected to the outer shell 2, squeeze and fix the clamping block 34 and the protective shell 31, and install the protective shell 31 on the inner wall of the outer shell 2, and use the protective shell 31 to protect the inner wall of the outer shell 2 to prevent the inner wall of the outer shell 2 from being damaged.
[0035] The protective shell 31 is consistent in shape with the outer shell 2, and one side of the protective shell 31 is in contact with the outer shell 2. A through hole is provided in the middle of the protective shell 31 for installing the slurry pump impeller and the feed port. The protective shell 31 is made of carbon fiber material to resist corrosion.
[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A corrosion-resistant slurry pump comprising: Slurry pump body (1); A housing (2), the housing (2) being arranged at one end of the slurry pump body (1); It is characterized in that it further comprises a protection mechanism (3), wherein the protection mechanism (3) is arranged on the inner wall of the shell (2), and the protection mechanism (3) is used to protect the inner wall of the shell (2); A mounting mechanism (4) is provided on the protection mechanism (3), and the mounting mechanism (4) is used to mount and fix the protection mechanism (3) on the inner wall of the housing (2).
2. A corrosion-resistant slurry pump according to claim 1, characterized in that: The protection mechanism (3) comprises: A protective shell (31), the protective shell (31) being arranged in the inner cavity of the outer shell (2), the outer wall of the protective shell (31) being in contact with the inner wall of the outer shell (2); A protective coating (32) is provided on the inner wall of the protective shell (31), and the protective coating (32) is made of polytetrafluoroethylene material.
3. A corrosion-resistant slurry pump according to claim 2, characterized in that: The protection mechanism (3) further comprises: A snap-fit groove (33), the snap-fit groove (33) being arranged on the inner wall of the protective shell (31), the snap-fit groove (33) being arranged in the form of a square groove; A clamping block (34) is slidably connected to the inner cavity of the clamping groove (33), and the clamping block (34) is arranged between the protective shells (31).
4. A corrosion-resistant slurry pump according to claim 3, characterized in that: The mounting mechanism (4) comprises: A mounting groove (41), the mounting groove (41) being arranged at one end of the clamping block (34), the mounting groove (41) being arranged in a T-shape; A bolt (42), one end of which is slidably connected to the inner cavity of the mounting groove (41), and one end of which is threadedly connected to the inner wall of the housing (2); A sealing ring (43) is provided in the inner cavity of the mounting groove (41), and the sealing ring (43) is connected to one end of the bolt (42) in a sliding manner.
5. A corrosion-resistant slurry pump according to claim 4, characterized in that: The mounting mechanism (4) further comprises: A positioning rod (44), one end of which is fixedly connected to the outer wall of the other end of the clamping block (34), and one end of which is slidably connected to the protective shell (31); A positioning hole (45) is provided on the inner wall of the housing (2), and an inner cavity of the positioning hole (45) is slidably interpenetratingly connected with one end of the positioning rod (44).
6. The corrosion-resistant slurry pump according to claim 5, characterized in that: The protective shell (31) is consistent in shape with the outer shell (2), one side of the protective shell (31) is in contact with the outer shell (2), a through hole is provided in the middle of the protective shell (31), and the protective shell (31) is made of carbon fiber material.