Slurry pump flushing device

By designing a slurry pump flushing device, the problem of reduced slurry pump life caused by misalignment of the flushing pipe is solved, effective cooling of the slurry pump shaft seal and pressure and flow monitoring are achieved, and the service life of the slurry pump is extended.

CN223424345UActive Publication Date: 2025-10-10SANLIAN PUMP IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422976123.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-10-10
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

When the existing slurry pump flushing device is in use, the flushing pipe is easily misplaced, resulting in a reduced service life of the slurry pump and an inability to effectively monitor pressure and flow.

Method used

A slurry pump flushing device is designed, which includes a detachable water inlet pipe, return pipe, pressure gauge and flow meter. The mechanical seal flushing structure and bearing flushing structure are connected to the slurry pump through connectors and connectors, and are fixed with limiters and mounting parts to realize pressure and flow monitoring and control.

Benefits of technology

It ensures effective flushing and cooling of the slurry pump shaft seal, avoids dislocation of the flushing pipe, realizes monitoring of pressure and flow, and extends the service life of the slurry pump.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223424345U_ABST
    Figure CN223424345U_ABST
Patent Text Reader

Abstract

The utility model discloses a slurry pump flushing device, which relates to the technical field of slurry pump flushing and comprises a flushing mechanism. The flushing mechanism comprises a water inlet pipe, a water return pipe, a pressure gauge, a mechanical seal flushing structure, a bearing flushing structure and a flow meter; one end of the mechanical seal flushing structure and one end of the bearing flushing structure are both communicated with the pressure gauge; the mounting part and the limiting part are matched to fix the water inlet pipe and the water return pipe to the mounting base, the water inlet pipe, the mechanical seal flushing pipe and the slurry pump water return pipe are sequentially communicated through the first connector and the first connecting part, and the water inlet pipe, the mechanical seal flushing pipe and the slurry pump water return pipe are sequentially communicated through the second connector and the second connecting part. The water inlet pipe, the mechanical seal flushing pipe, the bearing flushing pipe and the water return pipe are matched to conduct flushing cooling and flushing water cooling on pressure flushing water externally connected to the shaft seal part of the slurry pump, the pressure gauge and the flow meter are matched to conduct pressure monitoring and fluid flow monitoring, it is guaranteed that the pressure and flow of cooling water are guaranteed, and damage to a bearing and a mechanical seal is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of slurry pump flushing, in particular to a slurry pump flushing device. Background Art

[0002] A slurry pump is a machine that increases the energy of a solid-liquid mixture by using centrifugal force (the rotation of the pump's impeller), converting electrical energy into kinetic and potential energy of the medium. It is primarily used in industries such as mining, power plants, dredging, metallurgy, chemicals, building materials, and petroleum. When the slurry pump is in operation, the shaft seal requires external pressure flushing water, and the bearings require external flushing water for cooling.

[0003] The existing slurry pump flushing device has certain disadvantages when in use. When in use, the existing slurry pump flushing device usually directly installs different flushing pipes on the slurry pump, and then connects different flushing pipes to external pressure flushing water and flushing water cooling. However, when in use, people are prone to misalignment when connecting different flushing pipes to external pressure flushing water and flushing water cooling, thereby reducing the service life of the slurry pump and failing to meet people's needs. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art; to this end, the utility model proposes a slurry pump flushing device.

[0005] A slurry pump flushing device, applied to a slurry pump, comprising: a flushing mechanism detachably mounted on the slurry pump; wherein a mounting seat is provided at the bottom end of the slurry pump; the flushing mechanism comprises an inlet pipe detachably fixed to the upper end face of the mounting seat, a return pipe provided on one side of the slurry pump and a pressure gauge detachably mounted at one end of the inlet pipe, the pressure gauge being an instrument for measuring the internal pressure of the slurry pump and the flushing mechanism; the flushing mechanism also comprises a mechanical seal flushing structure respectively mounted on the inlet pipe, a bearing flushing structure symmetrically arranged on the slurry pump and a flow meter detachably mounted on the return pipe, the flow meter being an instrument for measuring the flow of fluid passing through the slurry pump and the flushing mechanism, the mechanical seal flushing structure and the bearing flushing structure being capable of flushing the shaft seal portion of the slurry pump; one end of each of the mechanical seal flushing structure and the bearing flushing structure is connected to the pressure gauge.

[0006] As a further solution of the present invention: the mechanical seal flushing structure includes two groups of mechanical seal flushing pipes symmetrically installed on the slurry pump, and a first connecting head is provided at both ends of the mechanical seal flushing pipe. The water inlet pipe, return water pipe and slurry pump are all provided with a first connecting piece fixedly connected to the first connecting head. The first connecting head and the first connecting piece can connect the mechanical seal flushing pipe with the water pipe, return water pipe and slurry pump respectively.

[0007] As a further solution of the present invention: the bearing flushing structure includes several groups of bearing flushing pipes symmetrically installed on the slurry pump and second connectors symmetrically arranged at both ends of the bearing flushing pipes. The water inlet pipe, return pipe and slurry pump are all provided with second connectors fixed to the second connectors. The second connector and the second connector can connect the mechanical seal flushing pipe to the water pipe, return pipe and slurry pump respectively.

[0008] As a further solution of the present invention: the mechanical seal flushing pipe and the bearing flushing pipe are both in an "L"-shaped structure.

[0009] As a further solution of the present invention: the pressure gauge is detachably mounted on a side of the water inlet pipe close to the mechanical seal flushing pipe, and the flow meter is arranged on a side of the return pipe close to the mechanical seal flushing pipe.

[0010] As a further solution of the present invention: several groups of mounting parts are symmetrically arranged on the mounting seat, and the mounting parts are provided with limiting parts that respectively fit with the water inlet pipe and the return pipe. A threaded block for fixing the limiting parts is provided on the lower inner side of the mounting parts, and the mounting parts and the limiting parts cooperate to fix or install the water inlet pipe and the return pipe.

[0011] As a further solution of the present invention: the limiting member is in a "U"-shaped structure, and the mounting member is in a "Z"-shaped structure.

[0012] As a further solution of the present invention: one end of the water inlet pipe and one end of the water return pipe are both provided with external flanges, and the other end of the water inlet pipe and the other end of the water return pipe are both provided with sealing plugs.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] (1) The utility model is provided with a slurry pump and a flushing mechanism, and the mounting parts and the limit parts cooperate to fix the water inlet pipe and the return pipe to the mounting seat. The first connector and the first connector connect the water inlet pipe, the mechanical seal flushing pipe, and the slurry pump return pipe in sequence. The second connector and the second connector connect the water inlet pipe, the mechanical seal flushing pipe, and the slurry pump return pipe in sequence. The water inlet pipe, the mechanical seal flushing pipe, the bearing flushing pipe and the return pipe cooperate to flush and cool the external pressure flushing water of the slurry pump shaft seal. The pressure gauge and the flow meter cooperate to perform pressure monitoring and fluid flow monitoring to ensure that the cooling water pressure and flow are guaranteed to avoid damage to the bearings and mechanical seals. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is an overall schematic diagram of the slurry pump flushing device of the utility model;

[0016] Figure 2 It is a partial structural diagram of the flushing mechanism in the utility model;

[0017] Figure 3 This is a top view of the flushing mechanism in the present utility model;

[0018] Figure 4 This is the right side structural diagram of the slurry pump in this utility model.

[0019] In the figure: 1. Slurry pump; 2. Mounting base; 3. Water inlet pipe; 4. Water return pipe; 5. Pressure gauge; 6. Flow meter; 7. Mechanical seal flushing pipe; 8. First connector; 9. First connecting piece; 10. Bearing flushing pipe; 11. Second connector; 12. Second connecting piece; 13. Mounting piece; 14. Limiting piece; 15. External flange; 16. Sealing plug. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the embodiments. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. 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.

[0021] Example 1

[0022] See also Figure 1 - Figure 4 The present application provides a slurry pump flushing device, including a slurry pump 1, comprising: a flushing mechanism detachably mounted on the slurry pump 1; wherein, a mounting seat 2 is provided at the bottom end of the slurry pump 1; the flushing mechanism comprises an inlet pipe 3 detachably fixed to the upper end face of the mounting seat 2, a return pipe 4 arranged on one side of the slurry pump 1 and a pressure gauge 5 detachably mounted at one end of the inlet pipe 3, one end of the inlet pipe 3 can be connected to an external water pump, and the pressure gauge 5 is an instrument for measuring the internal pressure of the slurry pump 1 and the flushing mechanism; the flushing mechanism also includes a mechanical seal flushing structure respectively installed on the inlet pipe 3, a bearing flushing structure symmetrically arranged on the slurry pump 1 and a flow meter 6 detachably mounted on the return pipe 4, the flow meter 6 is an instrument for measuring the flow of fluid passing through the slurry pump 1 and the flushing mechanism, the mechanical seal flushing structure and the bearing flushing structure can flush the shaft seal part of the slurry pump 1; one end of the mechanical seal flushing structure and the bearing flushing structure are both connected to the pressure gauge 5.

[0023] In this embodiment, the mechanical seal flushing structure includes two groups of mechanical seal flushing pipes 7 symmetrically installed on the slurry pump 1. A first connecting head 8 is provided at both ends of the mechanical seal flushing pipe 7. The water inlet pipe 3, the return water pipe 4 and the slurry pump 1 are all provided with a first connecting piece 9 fixedly connected to the first connecting head 8. The first connecting head 8 and the first connecting piece 9 can connect the mechanical seal flushing pipe 7 with the water pipe 3, the return water pipe 4 and the slurry pump 1 respectively.

[0024] In this embodiment, the bearing flushing structure includes several groups of bearing flushing pipes 10 symmetrically installed on the slurry pump 1 and second connectors 11 symmetrically arranged at both ends of the bearing flushing pipes 10. The water inlet pipe 3, the return pipe 4 and the slurry pump 1 are all provided with second connectors 12 fixed to the second connectors 11. The second connector 11 and the second connector 12 can connect the mechanical seal flushing pipe 7 with the water pipe 3, the return pipe 4 and the slurry pump 1 respectively.

[0025] In this embodiment, the mechanical seal flushing pipe 7 and the bearing flushing pipe 10 are both in an "L"-shaped structure.

[0026] In this embodiment, the pressure gauge 5 is detachably mounted on a side of the water inlet pipe 3 close to the mechanical seal flushing pipe 7 , and the flow meter 6 is arranged on a side of the water return pipe 4 close to the mechanical seal flushing pipe 7 .

[0027] In summary, align the mechanical seal flushing pipe 7 with the slurry pump 1, install the first connector 8 on the first connector 9, so that one group of mechanical seal flushing pipes 7 connects the water inlet pipe 3 with the slurry pump 1, and the other group of mechanical seal flushing pipes 7 connects the return pipe 4 with the slurry pump 1, align the bearing flushing pipe 10 with the slurry pump 1, install the second connector 11 on the second connector 12, one group of bearing flushing pipes 10 connects the water inlet pipe 3 with the slurry pump 1, and the other group of bearing flushing pipes 10 connects the return pipe 4 with the slurry pump 1, supply water to the water inlet pipe 3, and the water inlet pipe 3 flows water into the mechanical seal flushing pipe 7 and the bearing flushing pipe 10 respectively to flush and cool the slurry pump 1, the pressure gauge 5 can monitor the internal pressure of the slurry pump 1 and the flushing mechanism, and the flowmeter 6 can measure the fluid flow of the slurry pump 1 and the flushing mechanism.

[0028] Example 2

[0029] Reference Figure 1 and Figure 3 , which is the second embodiment of the present utility model, wherein in this embodiment, several groups of mounting members 13 are symmetrically arranged on the mounting seat 2, and the mounting members 13 are provided with limiting members 14 respectively fitted with the water inlet pipe 3 and the return pipe 4, and a threaded block for fixing the limiting member 14 is provided on the inner lower side of the mounting member 13. The mounting member 13 and the limiting member 14 cooperate to fix or install the water inlet pipe 3 and the return pipe 4.

[0030] In this embodiment, the limiting member 14 is in a "U"-shaped structure, and the mounting member 13 is in a "Z"-shaped structure.

[0031] In this embodiment, one end of the water inlet pipe 3 and one end of the water return pipe 4 are both provided with an external flange 15 , and the other end of the water inlet pipe 3 and the other end of the water return pipe 4 are both provided with a sealing plug 16 .

[0032] In summary, several groups of mounting parts 13 are fixed to the mounting seat 2, the water inlet pipe 3 and the return pipe 4 are placed on two groups of mounting parts 13 respectively, and the limiting parts 14 are fixed to the mounting parts 13, so that the water inlet pipe 3 and the return pipe 4 are respectively fixed to the mounting parts 13 on the upper end face of the mounting seat 2.

[0033] Example 3

[0034] Reference Figure 1 - Figure 4 , combining Example 1 and Example 2 to obtain this embodiment.

[0035] The mounting member 13 and the limiting member 14 cooperate to fix the water inlet pipe 3 and the return pipe 4 to the mounting seat 2; the first connector 8 and the first connector 9 connect the water inlet pipe 3, the mechanical seal flushing pipe 7, and the return pipe 4 of the slurry pump 1 in sequence; the second connector 11 and the second connector 12 connect the water inlet pipe 3, the mechanical seal flushing pipe 7, and the return pipe 4 of the slurry pump 1 in sequence; the water inlet pipe 3, the mechanical seal flushing pipe 7, the bearing flushing pipe 10 and the return pipe 4 cooperate to flush and cool the slurry pump 1; the pressure gauge 5 and the flow meter 6 cooperate to perform pressure monitoring and fluid flow monitoring.

[0036] The above embodiments are only used to illustrate the technical method of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the present invention.

Claims

1. A slurry pump flushing device, characterized in that: Applicable to a slurry pump (1), comprising: a flushing mechanism detachably mounted on the slurry pump (1); Wherein, a mounting seat (2) is provided at the bottom end of the slurry pump (1); The flushing mechanism comprises a water inlet pipe (3) detachably fixed to the upper end surface of the mounting seat (2), a water return pipe (4) arranged on one side of the slurry pump (1), and a pressure gauge (5) detachably mounted on one end of the water inlet pipe (3); The flushing mechanism further comprises a mechanical seal flushing structure respectively mounted on the water inlet pipe (3), a bearing flushing structure symmetrically arranged on the slurry pump (1), and a flow meter (6) detachably mounted on the return pipe (4); One end of the mechanical seal flushing structure and the bearing flushing structure are both connected to the pressure gauge (5).

2. A slurry pump flushing device according to claim 1, characterized in that: The mechanical seal flushing structure comprises two groups of mechanical seal flushing pipes (7) symmetrically mounted on the slurry pump (1), both ends of the mechanical seal flushing pipes (7) are provided with first connectors (8), and the water inlet pipe (3), the water return pipe (4) and the slurry pump (1) are all provided with first connecting pieces (9) fixedly connected to the first connectors (8).

3. A slurry pump flushing device according to claim 2, characterized in that: The bearing flushing structure comprises a plurality of groups of bearing flushing pipes (10) symmetrically mounted on the slurry pump (1) and second connectors (11) symmetrically arranged at both ends of the bearing flushing pipes (10); the water inlet pipe (3), the water return pipe (4) and the slurry pump (1) are all provided with second connectors (12) fixed to the second connectors (11).

4. A slurry pump flushing device according to claim 3, characterized in that: The mechanical seal flushing pipe (7) and the bearing flushing pipe (10) both have an L-shaped structure.

5. A slurry pump flushing device according to claim 3, characterized in that: The pressure gauge (5) is detachably mounted on a side of the water inlet pipe (3) close to the mechanical seal flushing pipe (7), and the flow meter (6) is arranged on a side of the water return pipe (4) close to the mechanical seal flushing pipe (7).

6. A slurry pump flushing device according to claim 1, characterized in that: Several groups of mounting members (13) are symmetrically arranged on the mounting seat (2), and the mounting members (13) are provided with position-limiting members (14) respectively fitted with the water inlet pipe (3) and the water return pipe (4), and a threaded block for fixing the position-limiting members (14) is provided below the inner side of the mounting members (13).

7. A slurry pump flushing device according to claim 6, characterized in that: The limiting member (14) has a "U"-shaped structure, and the mounting member (13) has a "Z"-shaped structure.

8. A slurry pump flushing device according to claim 7, characterized in that: One end of the water inlet pipe (3) and one end of the water return pipe (4) are both provided with an external flange (15), and the other end of the water inlet pipe (3) and the other end of the water return pipe (4) are both provided with a sealing plug (16).