Slurry pump

By arranging a rubber stick and an annular groove between the pump casing and the rear guard plate of the slurry pump, the chamber is separated to reduce wear, thereby solving the problem of short service life of the rear guard plate and achieving the wear resistance of the rear guard plate.

CN223447245UActive Publication Date: 2025-10-17PANGANG GROUP MINING CO LTD
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Patent Information

Application Number
CN202423125096.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-10-17
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Due to the gap between the rear guard plate of the slurry pump and the pump casing, the slurry causes wear on the outer surface of the rear guard plate, the static sealing structure is easily damaged, and the service life is short.

Method used

A rubber stick is set between the pump casing and the rear guard plate. By forming annular grooves on the inner wall of the pump casing and the outer surface of the rear guard plate, the chamber is divided into multiple small chambers. The rubber stick is used to separate the slurry into the small chamber to reduce wear.

Benefits of technology

The service life of the rear guard plate is extended, the risk of damage to the static sealing structure is reduced, and the overall wear is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of slurry pumps, and discloses a slurry pump and a mounting process of the slurry pump, the slurry pump comprises a pump body, a pump shell and a rear guard plate, the pump body is connected with the pump shell, the pump shell is connected with the rear guard plate, a cavity is formed by the inner wall of the pump shell and the outer surface of the rear guard plate, the inner wall of the cavity is provided with at least one glue stick, and the glue stick is connected with the rear guard plate. And each glue stick is provided with a separation cavity. According to the scheme, at least one glue stick is arranged in the cavity formed by the inner wall of the pump shell and the outer surface of the rear protection plate, each glue stick is used for separating the cavity, so that a plurality of small cavities are formed, and when ore pulp enters the cavity due to the existence of gaps, the ore pulp firstly enters the small cavities and then enters the rear protection plate. And when the rubber rods are abraded until the corresponding small cavities cannot play a role in separation, the ore pulp can abrade the outer surface area of the corresponding rear protection plate in the next small cavity or the outer surface areas of other rear protection plates, so that the service life of the rear protection plate is prolonged by utilizing separation of the rubber rods.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a slurry pump technical field, concretely relates to a slurry pump and slurry pump's installation technology. BACKGROUND

[0002] The slurry pump is a kind of equipment commonly used in various trades, and the equipment features that the flow passage needs to be replaced periodically, and the flow passage of the slurry pump is mainly composed of front guard plate, rear guard plate, pump shell and the like.The rear guard plate of the slurry pump is fixed with the pump shell by four bolts, realizes static seal with the pump shell by sealing ring and sealing pad, to prevent the outflow of ore pulp.In the related art, there is often a gap of 0.25mm-0.50mm between the guard plate and the pump shell, so that the gap causes the wear of the outer surface of the rear guard plate by ore pulp, which can cause the damage of static seal structure, and reduce the service life of the rear guard plate.

[0003] Therefore, how to effectively prolong the service life of the rear guard plate of the slurry pump is a problem to be solved. INVENTION CONTENTS

[0004] Therefore, the utility model provides a slurry pump and slurry pump's installation technology to solve the technical problem of short service life of the rear guard plate of the slurry pump.

[0005] In the first aspect, the utility model provides a slurry pump and slurry pump's installation technology, and the slurry pump includes pump body, pump shell and rear guard plate, and the pump body is connected with the pump shell, wherein the pump shell is connected with the rear guard plate, and a cavity is formed by the inner wall of the pump shell and the outer surface of the rear guard plate, and the inner wall of the cavity has at least one rubber stick, and each rubber stick is arranged to separate the cavity.

[0006] In combination with the first aspect, in a possible implementation manner of the first aspect, the outer surface of the rear guard plate is provided with at least one first annular groove.

[0007] In combination with the first aspect, in a possible implementation manner of the first aspect, the inner wall of the pump shell is provided with at least one second annular groove.

[0008] In combination with the first aspect, in a possible implementation manner of the first aspect, the outer surface of the rear guard plate is provided with at least one first annular groove (4), and the inner wall of the pump shell is provided with at least one second annular groove.

[0009] In combination with the first aspect, in a possible implementation manner of the first aspect, the outer surface of the rear guard plate is provided with at least one first annular groove, the inner wall of the pump shell is provided with at least one second annular groove, and the first annular groove and the second annular groove are staggered in the cavity.

[0010] With reference to the first aspect, in a possible implementation manner of the first aspect, the outer surface of the back plate is provided with at least one first annular groove, and the inner wall of the pump shell is provided with at least one second annular groove, and the first annular groove and the second annular groove are oppositely arranged in the cavity.

[0011] With reference to the first aspect, in a possible implementation manner of the first aspect, the number of the rubber rods corresponds to the number of the annular grooves, and the annular grooves are arranged to mount the rubber rods.

[0012] The second aspect provides a mounting process of the slurry pump, which is applied to the slurry pump of the first aspect or any of the possible implementation manners thereof.

[0013] With reference to the second aspect, in a possible implementation manner of the second aspect, the at least one rubber rod is arranged in the cavity formed by the inner wall of the pump shell and the outer surface of the back plate, including: at least one annular groove is processed on the inner wall of the pump shell and / or the outer surface of the back plate; and each rubber rod is arranged in the corresponding annular groove.

[0014] With reference to the second aspect, in a possible implementation manner of the second aspect, the at least one annular groove is processed on the inner wall of the pump shell and / or the outer surface of the back plate, including: in the case that the inner wall of the pump shell and the outer surface of the back plate are both provided with at least one annular groove, a first annular groove is processed on the inner wall of the pump shell, and a second annular groove is processed on the outer surface of the back plate; and the positions of the first annular groove and the second annular groove are opposite or staggered.

[0015] The technical scheme of the utility model has the following advantages:

[0016] The slurry pump and the mounting process of the slurry pump provided by the utility model have the following advantages: the at least one rubber rod is arranged in the cavity formed by the inner wall of the pump shell and the outer surface of the back plate, and each rubber rod is used to separate the cavity. In this process, the at least one rubber rod is used to separate the cavity, thereby forming a plurality of small cavities, so that when the ore slurry enters the cavity due to the existence of the gap, the ore slurry first enters the small cavities, and the rubber rod in the small cavity and the outer surface area of the back plate corresponding to the small cavity are caused to be abraded, and when the rubber rod is abraded to the extent that the corresponding small cavity cannot play a separating role, the ore slurry will cause the outer surface area of the back plate in the next small cavity or other outer surface areas of the back plate to be abraded, thereby reducing the abrasion of the outer surface area of the back plate as a whole by using the separation of the rubber rod, reducing the risk of damage to the static sealing structure, and prolonging the service life of the back plate. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0018] Figure 1 is a schematic diagram of a slag slurry pump connection structure according to an embodiment of the present application;

[0019] Figure 2 is a flowchart of a mounting process of a slag slurry pump according to an embodiment of the present application.

[0020] Explanation of reference signs:

[0021] 1 - slag slurry pump; 2 - pump shell; 3 - rear guard plate; 4 - annular groove. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0023] The present disclosure provides these embodiments in order to make the present disclosure thorough and complete, and fully express the scope of the present disclosure to those skilled in the art. It should be noted that: unless otherwise specified, the relative arrangement of components and steps, the composition of materials, numerical expressions and values described in these embodiments should be interpreted as merely exemplary, not as a limitation.

[0024] It should be noted that in the description of the present disclosure, unless otherwise specified, the meaning of "a plurality of" is greater than or equal to two; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer" and the like is only for the convenience of describing the present disclosure and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present disclosure. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0025] In addition, the "first", "second" and similar words used in the present disclosure do not represent any order, quantity or importance, but are only used to distinguish different parts. "Vertical" is not strictly vertical, but within the allowable range of error. "Parallel" is not strictly parallel, but within the allowable range of error. "Include" or "contain" and similar words mean that the elements before the word cover the elements listed after the word, and do not exclude the possibility of also covering other elements.

[0026] It should also be noted that in the description of the present disclosure, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances. When it is described that a specific device is located between the first device and the second device, there can be an intermediate device between the specific device and the first device or the second device, or there can be no intermediate device.

[0027] All terms used in the present disclosure have the same meaning as understood by those skilled in the art to which the present disclosure belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries should be interpreted to have meanings consistent with their meanings in the context of the relevant art, and should not be interpreted in an idealized or excessively formalized sense, unless specifically defined here.

[0028] Techniques, methods, and equipment known to those skilled in the relevant art can not be discussed in detail, but in appropriate cases, the techniques, methods, and equipment should be considered part of the specification.

[0029] As Figure 1 shown, according to the embodiments of the present application, a slurry pump is provided, the slurry pump comprises: a pump body 1, a pump shell 2 and a rear guard plate 3, the pump body 1 is connected with the pump shell 2, wherein the pump shell 2 is connected with the rear guard plate 3, and a cavity is formed by the inner wall of the pump shell 2 and the outer surface of the rear guard plate 3, the inner wall of the cavity has at least one rubber stick, and each rubber stick is arranged to separate the cavity.

[0030] Specifically, the inner wall of the cavity has at least one rubber stick, which comprises: one side of the rubber stick is fixed by the outer surface of the rear guard plate 3 or the inner wall of the pump shell 2; or, the rubber stick is installed in the annular groove on the outer surface of the rear guard plate 3 and / or the inner wall of the pump shell 2.

[0031] Specifically, the inner wall of the chamber has at least one rubber stick refers to the installation of at least one rubber stick in the chamber, so that the inner wall of the pump shell 2 and the outer surface of the back plate 3 are in contact with one side of the rubber stick, so that the chamber is separated by the rubber stick. In this case, one side of the rubber stick can be fixed on the outer surface of the back plate 3 or the inner wall of the pump shell 2, and after the pump shell 2 and the back plate 3 are installed, the other side of the rubber stick is in contact with the inner wall of the pump shell 2 or the outer surface of the back plate 3, so that the chamber is sealed by the rubber stick, and the effect of separating the chamber is achieved.

[0032] Specifically, the inner wall of the chamber has at least one rubber stick refers to the installation of at least one rubber stick in the chamber, so that the inner wall of the pump shell 2 and the outer surface of the back plate 3 are in contact with one side of the rubber stick, so that the chamber is separated by the rubber stick. In this case, one side of the rubber stick can be fixed on the outer surface of the back plate 3 or the inner wall of the pump shell 2, and after the pump shell 2 and the back plate 3 are installed, the other side of the rubber stick is in contact with the inner wall of the pump shell 2 or the outer surface of the back plate 3, so that the chamber is sealed by the rubber stick, and the effect of separating the chamber is achieved.

[0033] Specifically, each rubber stick is arranged to separate the chamber, which means that after the pump shell 2 and the back plate 3 are installed, the outer surface of the back plate 3 and the inner wall of the pump shell 2 are in contact with the rubber stick respectively, so that the chamber formed by the pump shell 2 and the back plate 3 is separated into at least two small chambers by the rubber stick. When the slurry enters the chamber due to the existence of the gap, it first enters the small chamber, causing the rubber stick in the small chamber and the corresponding area of the outer surface of the back plate, and when the rubber stick is worn out to the corresponding small chamber and cannot play a separating role, the slurry will cause wear to the corresponding area of the outer surface of the back plate in the next small chamber or other areas of the outer surface of the back plate.

[0034] The utility model provides a kind of slurry pump and the installation process of slurry pump, and the slurry pump is by at least one rubber stick being arranged in the chamber formed by the inner wall of pump shell and the outer surface of back plate, and each rubber stick is used to separate the chamber. In this process, at least one rubber stick is used to separate the chamber, so that multiple small chambers are formed, so that when the slurry enters the chamber due to the existence of the gap, it first enters the small chamber, causing the rubber stick in the small chamber and the corresponding area of the outer surface of the back plate, and when the rubber stick is worn out to the corresponding small chamber and cannot play a separating role, the slurry will cause wear to the corresponding area of the outer surface of the back plate in the next small chamber or other areas of the outer surface of the back plate. Therefore, by using the separation of rubber stick, the overall wear condition of the outer surface area of back plate is reduced, the risk of static seal structure being damaged is reduced, and the service life of back plate is prolonged.

[0035] In an alternative embodiment, the outer surface of the back plate 3 is provided with at least one first annular groove 4.

[0036] Specifically, as Figure 1As shown, the first annular groove 4 is arranged on the outer surface of the rear shield 3. The first annular groove 4 can be arranged at any position on the outer surface of the rear shield 3. Generally, when the first annular groove 4 is only one, the first annular groove 4 is arranged at the central position on the outer surface of the rear shield 3. Generally, when the first annular groove 4 is multiple, the first annular groove 4 is evenly distributed on the outer surface of the rear shield 3. It should be understood that the number and position of the first annular groove 4 are not limited to Figure 1 As shown, as long as the outer surface of the rear shield 3 and the inner wall of the pump shell 2 are respectively in contact with the rubber stick after the pump shell 2 and the rear shield 3 are completed, the rubber stick can be contacted.

[0037] In an alternative embodiment, as shown in Figure 1 The inner wall of the pump shell 2 is provided with at least one second annular groove.

[0038] Specifically, when the second annular groove is arranged on the inner wall of the pump shell 2, the position of the second annular groove can be arranged at any position on the inner wall of the pump shell 2. Generally, when the second annular groove is only one, the second annular groove is arranged at the central position on the inner wall of the pump shell 2. Generally, when the second annular groove is multiple, the second annular groove is evenly distributed on the inner wall of the pump shell 2. This embodiment does not make specific limitation, as long as the outer surface of the rear shield 3 and the inner wall of the pump shell 2 are respectively in contact with the rubber stick after the pump shell 2 and the rear shield 3 are completed.

[0039] In an alternative embodiment, as shown in Figure 1 The outer surface of the rear shield 3 is provided with at least one first annular groove 4, and the inner wall of the pump shell 2 is provided with at least one second annular groove.

[0040] Specifically, the first annular groove 4 is arranged on the outer surface of the rear shield 3, and the second annular groove is arranged on the inner wall of the pump shell 2. The annular groove arranged on the outer surface of the rear shield 3 is the first annular groove 4, and the annular groove arranged on the inner wall of the pump shell 2 is the second annular groove. The positions of the first annular groove and the second annular groove can be arranged relatively or staggered.

[0041] In an alternative embodiment, as shown in Figure 1 The outer surface of the rear shield 3 is provided with at least one first annular groove 4, and the inner wall of the pump shell 2 is provided with at least one second annular groove. The first annular groove 4 and the second annular groove are staggered in the chamber.

[0042] Specifically, the first annular groove and the second annular groove are staggered in the chamber refers to that, in the cross section of the chamber, the first annular groove and the second annular groove are staggered, for example, from bottom to top, the first annular groove, the second annular groove, the first annular groove and the second annular groove, or the first annular groove, the first annular groove, the second annular groove, the first annular groove and the second annular groove, etc., which are not limited in the embodiment. In this case, one side of each rubber stick is installed in the first annular groove or the second annular groove, and the other side is in contact with the outer surface of the back plate 3 or the inner wall of the pump shell 2, so as to achieve the effect of separating the chamber.

[0043] In an optional embodiment, as shown in the figure, Figure 1 At least one first annular groove 4 is arranged on the outer surface of the back plate 3, and at least one second annular groove is arranged on the inner wall of the pump shell 2, and the first annular groove 4 and the second annular groove are arranged opposite in the chamber.

[0044] Specifically, the first annular groove and the second annular groove are arranged opposite in the chamber refers to that, in the cross section of the chamber, the first annular groove and the second annular groove are arranged opposite. In this case, taking a group of rubber sticks as an example, the first rubber stick and the second rubber stick are named respectively, one side of the first rubber stick is installed in the first annular groove, one side of the second rubber stick is installed in the second annular groove, and the other side of the first rubber stick is in contact with the other side of the second rubber stick, so as to achieve the effect of separating the chamber.

[0045] In an optional embodiment, the number of rubber sticks corresponds to the number of annular grooves, and the annular grooves are arranged to install the rubber sticks.

[0046] Specifically, refer to the related description in the above embodiment, which will not be repeated here.

[0047] The utility model provides a kind of slurry pump and the installation process of slurry pump, the slurry pump is at least one rubber stick by being arranged in the chamber formed by the inner wall of pump shell and the outer surface of back plate, and each rubber stick is used to separate the chamber. In this process, at least one rubber stick is used to separate the chamber, so as to form multiple small chambers, so that when ore pulp enters the chamber due to the existence of gap, it enters the small chamber first, and the rubber stick in the small chamber and the outer surface area of the back plate corresponding to the small chamber are caused, and when the rubber stick is worn to the corresponding small chamber cannot play the role of separation, ore pulp will cause wear to the outer surface area of the back plate corresponding to the next small chamber or other outer surface area of back plate, so as to use the separation of rubber stick, reduce the wear condition of the outer surface area of back plate as a whole, reduce the risk of static seal structure being destroyed, and play the role of prolonging the service life of back plate.

[0048] According to the embodiment of the present application, a mounting process of the back plate of the slurry pump is provided, and it should be noted that although the logical sequence is shown in the flow chart, in some cases, the steps shown or described can be performed in an order different from that shown.

[0049] The embodiment provides a mounting process of a slurry pump, as shown in the figure, the mounting process comprises the following steps: Figure 2

[0050] S101, at least one glue stick is arranged in the cavity formed by the inner wall of the pump shell and the outer surface of the back plate.

[0051] Specifically, arranging at least one glue stick in the cavity formed by the inner wall of the pump shell and the outer surface of the back plate comprises: fixing one side of the glue stick on the outer surface of the back plate or the inner wall of the pump shell, or providing at least one annular groove on the outer surface of the back plate and / or the inner wall of the pump shell, and the glue stick is arranged in the corresponding annular groove.

[0052] S102, after the back plate reaches the mounting position, the connection between the back plate and the pump shell is completed, so that the inner wall of the pump shell and the outer surface of the back plate are in contact with the glue stick.

[0053] Specifically, after the back plate reaches the mounting position, the connection between the back plate and the pump shell is completed, so that the inner wall of the pump shell and the outer surface of the back plate are in contact with the glue stick, which means that after the back plate and the pump shell are installed, the inner wall of the pump shell and the outer surface of the back plate are in contact with the glue stick, thereby sealing the cavity by the glue stick, and achieving the effect of separating the cavity.

[0054] The mounting process of the slurry pump comprises the following steps: arranging at least one glue stick in the cavity formed by the inner wall of the pump shell and the outer surface of the back plate, and separating the cavity by each glue stick.

[0055] In an optional embodiment, arranging at least one glue stick in the cavity formed by the inner wall of the pump shell and the outer surface of the back plate comprises:

[0056] ​At least one annular groove is formed on the inner wall of the pump shell and / or the outer surface of the back plate.

[0057] Specifically, refer to the relevant description in the above embodiments, which will not be repeated here.

[0058] In an alternative embodiment, at least one annular groove is formed on the inner wall of the pump shell and / or the outer surface of the back plate, comprising:

[0059] In the case that at least one annular groove is formed on the inner wall of the pump shell and the outer surface of the back plate, a first annular groove is formed on the inner wall of the pump shell, and a second annular groove is formed on the outer surface of the back plate.

[0060] The positions of the first annular groove and the second annular groove are opposite or staggered.

[0061] Specifically, refer to the relevant description in the above embodiments, which will not be repeated here.

[0062] Although the embodiments of the present application are described in conjunction with the drawings, various modifications and changes can be made by those skilled in the art without departing from the spirit and scope of the present application, and such modifications and changes fall within the scope defined by the appended claims.

Claims

1. A slurry pump, characterized in that: The slurry pump comprises: a pump body (1), a pump casing (2) and a rear guard plate (3), wherein the pump body (1) is connected to the pump casing (2). The pump housing (2) is connected to the rear guard plate (3), and a chamber is formed by the inner wall of the pump housing (2) and the outer surface of the rear guard plate (3), and the inner wall of the chamber has at least one glue stick, each glue stick being configured to separate the chamber.

2. The slurry pump according to claim 1, characterized in that: The outer surface of the rear guard plate (3) is provided with at least one first annular groove (4).

3. The slurry pump according to claim 1, characterized in that: The inner wall of the pump housing (2) is provided with at least one second annular groove.

4. The slurry pump according to claim 1, characterized in that: The outer surface of the rear guard plate (3) is provided with at least one first annular groove (4), and the inner wall of the pump housing (2) is provided with at least one second annular groove.

5. The slurry pump according to claim 4, characterized in that: At least one first annular groove (4) is provided on the outer surface of the rear guard plate (3), and at least one second annular groove is provided on the inner wall of the pump housing (2), wherein the first annular groove (4) and the second annular groove are alternately arranged in the chamber.

6. The slurry pump according to claim 4, characterized in that: At least one first annular groove (4) is provided on the outer surface of the rear guard plate (3), and at least one second annular groove is provided on the inner wall of the pump housing (2), wherein the first annular groove (4) and the second annular groove are arranged opposite to each other in the chamber.

7. The slurry pump according to any one of claims 2 to 6, characterized in that: The number of the glue sticks corresponds to the number of the annular grooves, and the annular grooves are configured to install the glue sticks.