Reinforcing structure and split pump shell

Abstract

The utility model relates to the related technical field of split pump shells, in particular to a reinforcing structure and a split pump shell, which comprise a motor shell, a pump shell, a pump connecting pipe and a shell assembling component, the pump shell is fixedly mounted on one side of the motor shell, the pump connecting pipe is fixed at the shell joint on the pump shell, and the shell assembling component is fixedly mounted on the pump connecting pipe. A pump shell and a pump connecting pipe are arranged at the welding position of the shell assembling assembly, the split pump shell further comprises a built-in anti-corrosion assembly installed on the pump shell, liquid is prevented from entering gaps in the connecting position of the split pump shell, the sealing performance of the connecting position of the split pump shell is improved, and the service life of the split pump shell is prolonged. The built-in shell and the shell threaded ring can be detached and replaced through the flange bolt hole and the fastening flange, when a split pump shell flow channel is seriously damaged due to scouring and collision, the flange bolt hole and the fastening flange can be directly detached, the built-in shell can be replaced, repairing or coating is not needed, the assembled built-in shell can improve the internal strength of the split pump shell, and the service life of the split pump shell is prolonged. Thermal stress deformation of the split pump shell is caused by repair welding on the surface.

Description

Technical Field

[0001] The utility model relates to the technical field related to split pump casings, in particular to a reinforcement structure and a split pump casing. Background Art

[0002] Pump casing flow channel erosion corrosion problem and its repair process, clean the impurities in the pump casing, sandblast the inner surface of the pump casing, refer to Sa2.5 grade for details, clean the surface: use compressed air (water-free and impurity-free) to blow away the dust to make the surface clean; the compressed air used must be dried, surface treatment: wipe with 99.7% anhydrous ethanol to make the surface clean, dry and firm, the polymer composite material repair process can reduce the repair cost and improve the performance of the pump, the pump repair and protection plan and steps, including cleaning the surface, applying primer, filling wear-resistant materials, applying wear-resistant coating, etc.

[0003] The existing split pump casing flow channel is severely damaged by scouring and collision. Only repairing or coating is used, which affects the internal strength of the split pump casing. Welding causes thermal stress deformation of the split pump casing, reduces the split pump casing's anti-scouring ability, and shortens the split pump casing's service life. Utility Model Content

[0004] The purpose of the utility model is to provide a reinforcement structure and a split pump casing to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A reinforced structure and a split pump casing, comprising a motor casing, a pump casing, a pump connecting pipe and a casing assembly, wherein a pump casing is fixedly mounted on one side of the motor casing, a pump connecting pipe is fixed at a casing connection on the pump casing, a pump casing and a pump connecting pipe are arranged at a welding point on the casing assembly, and further comprising:

[0007] A built-in corrosion-resistant component mounted on the pump housing;

[0008] A double-layer reinforcement component is arranged on the pump casing;

[0009] Among them, a flange end is installed at the pipe mouth at the top of the pump connecting pipe, a shell cover is fixed on one side of the pump connecting pipe, a pump pipe is arranged at the flow part in the middle of the shell cover, a connecting pipe is fixed on one side of the pump pipe, a reinforcing shell is fixedly connected to one side of the connecting pipe, a fastening flange is movably installed inside the pipe mouth on the reinforced shell, and flange bolt holes are opened around the fastening flange.

[0010] The reinforced structure and split pump casing as described above: the casing cover is fixedly connected to the connecting pipe via a pump pipe.

[0011] The reinforced structure and split pump casing as described above: the reinforced casing is assembled by threading the flange bolt holes on the fastening flange.

[0012] The reinforced structure and split pump casing as described above: the built-in anti-corrosion component includes a casing thread ring fixedly connected to the inside of the reinforced casing, a built-in shell is movably installed inside the casing thread ring, and the built-in shell is threadedly fastened inside the casing thread ring.

[0013] The reinforced structure and split pump casing as described above: the casing thread ring and the built-in casing are fastened through the fastening flange and penetrate the inside of the flange bolt hole.

[0014] The reinforced structure and split pump casing as described above: the double-layer reinforced assembly includes an isolation cover movably mounted on the casing, and an anti-corrosion coating cover is fixed inside the isolation cover.

[0015] The reinforced structure and split pump casing as described above: the isolation cover and the anti-corrosion coating cover are welded to the connecting pipe through the pump pipe.

[0016] Compared with the prior art, the beneficial effects of the utility model are: preventing liquid from entering the gap at the connection of the split pump casing, improving the sealing of the connection of the split pump casing, adopting an internal shell and a casing thread ring that can be disassembled and replaced through the flange bolt hole and the fastening flange, and when the flow channel of the split pump casing is severely damaged by scour and collision, the flange bolt hole and the fastening flange can be directly disassembled and the internal shell can be replaced without the need for repair or coating. The assembled internal shell can improve the internal strength of the split pump casing, and the surface is welded to cause thermal stress deformation of the split pump casing.

[0017] The isolation cover and the anti-corrosion coating cover can be connected to the connecting point of the pump pipe, the shell cover and the connecting pipe. The isolation cover and the anti-corrosion coating cover can be repaired or coated to enhance the internal strength of the split pump shell. The isolation cover and the anti-corrosion coating cover are welded to avoid directly affecting the thermal stress deformation of the split pump shell. The isolation cover and the anti-corrosion coating cover improve the anti-brushing and corrosion resistance of the split pump shell and extend the service life of the split pump shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the built-in anti-corrosion component of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the double-layer reinforcement component of the utility model.

[0021] In the figure: 1. Motor housing; 2. Pump housing; 3. Pump connecting pipe; 4. Flange end; 5. Shell cover; 6. Pump pipe; 7. Connecting pipe; 8. Reinforced shell; 9. Fastening flange; 10. Flange bolt hole; 11. Built-in shell; 12. Shell thread ring; 13. Isolation cover; 14. Anti-corrosion coating cover. DETAILED DESCRIPTION

[0022] Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. The same reference numerals in the accompanying drawings represent elements with the same or similar functions. Although various aspects of the embodiments are shown in the accompanying drawings, the drawings are not necessarily drawn to scale unless otherwise specified.

[0023] The word “exemplary” is used exclusively herein to mean “serving as an example, example, or illustration.” Any embodiment described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other embodiments.

[0024] In addition, in order to better illustrate the present application, numerous specific details are provided in the specific embodiments below. It should be understood by those skilled in the art that the present application can also be implemented without certain specific details. In some examples, methods, means, and elements well known to those skilled in the art are not described in detail in order to highlight the subject matter of the present application.

[0025] See also Figures 1 to 3 A reinforced structure and a split pump casing are proposed, including a motor casing 1, a pump casing 2, a pump connecting pipe 3 and a casing assembly component.

[0026] A pump housing 2 is fixedly mounted on one side of the motor housing 1, a pump connecting pipe 3 is fixed at the housing connection of the pump housing 2, the pump housing 2 and the pump connecting pipe 3 are arranged at the welding part of the housing assembly component, a built-in anti-corrosion component is installed on the pump housing 2; a double-layer reinforcement component is arranged on the pump housing 2;

[0027] The motor housing 1 is fixedly mounted on the pump housing 2. The motor housing 1 is connected to the pump connecting pipe 3 through the pump housing 2. The motor in the motor housing 1 provides power for the pump connecting pipe 3 and the pump housing 2. The pump connecting pipe 3 and the pump housing 2 can meet the requirements of high temperature resistance, low temperature resistance, corrosion resistance, wear resistance, no leakage or little leakage in the chemical process, and can transport liquids in a critical state;

[0028] Among them, a flange end 4 is installed at the pipe mouth at the top of the pump connecting pipe 3, a shell cover 5 is fixed on one side of the pump connecting pipe 3, a pump pipe 6 is arranged at the flow part in the middle of the shell cover 5, a connecting pipe 7 is fixed on one side of the pump pipe 6, a reinforcing shell 8 is fixedly connected to one side of the connecting pipe 7, a fastening flange 9 is movably installed inside the pipe mouth on the reinforcing shell 8, and flange bolt holes 10 are opened around the fastening flange 9.

[0029] In this embodiment, the pump casing 2 is connected to the outside world through the flange end 4 at the top pipe opening of the pump connecting pipe 3, and the other side of the split pump casing is assembled through the shell cover 5 on the pump casing 2. The pump pipe 6 and the connecting pipe 7 on the shell cover 5 are fixedly connected and installed in a connected manner. They can be sealed to be resistant to high temperature, low temperature, corrosion, and wear, etc., and are fastened and connected by the fastening flange 9 and the flange bolt hole 10 on the reinforcing shell 8, and can be used as a liquid delivery pipeline in a critical state.

[0030] Preferably, the shell cover 5 is fixedly connected to the connecting pipe 7 through the pump pipe 6, and the pump shell 2 is installed in communication through the pump pipe 6 on the shell cover 5, so that the connecting pipe 7 is fixedly connected to the pump pipe 6, and the pump pipe 6, the shell cover 5 and the connecting pipe 7 can maintain a connected structure.

[0031] Preferably, the reinforced shell 8 is threadedly assembled through the flange bolt hole 10 on the fastening flange 9, and the flange bolt hole 10 on the fastening flange 9 can be used as a through bolt for fastening. The pump pipe 6, the shell cover 5 and the connecting pipe 7 are fastened and connected through the reinforced shell 8, and the flange bolt hole 10 can threadably assemble the fastening flange 9 at the connection of the split pump shell.

[0032] Please refer to Figure 1 and Figure 2 In this embodiment, the built-in anti-corrosion component includes a shell thread ring 12 fixedly connected to the inside of the reinforced shell 8, and a built-in shell 11 is movably installed inside the shell thread ring 12, and the built-in shell 11 is threadedly fastened inside the shell thread ring 12.

[0033] The shell thread ring 12 is fixedly connected to the inside of the reinforced shell 8, which can enhance the anti-scouring ability of the reinforced shell 8, so that the built-in shell 11 is threadedly fastened inside the shell thread ring 12, and the built-in shell 11 can be protectively installed inside the reinforced shell 8 for corrosion-resistant installation.

[0034] Preferably, the casing thread ring 12 and the built-in shell 11 are fastened through the flange bolt hole 10 by the fastening flange 9. After the built-in shell 11 is threadedly fastened to the inside of the reinforced shell 8 by the casing thread ring 12, the inside of the reinforced shell 8 can be double-protected, and then the flange bolt hole 10 and the fastening flange 9 are threadedly assembled at the connection of the split pump casing. The built-in shell 11 and the casing thread ring 12 can be protectively installed at the connection of the split pump casing to prevent liquid from entering the gap at the connection of the split pump casing, thereby improving the sealing of the connection of the split pump casing. The built-in shell 11 and the casing thread ring 12 can be disassembled and replaced through the flange bolt hole 10 and the fastening flange 9. When the flow channel of the split pump casing is severely damaged by scouring and collision, the flange bolt hole 10 and the fastening flange 9 can be directly disassembled, and the built-in shell 11 can be replaced without repairing or coating. The assembled built-in shell 11 can improve the internal strength of the split pump casing, and the surface is welded to cause thermal stress deformation of the split pump casing.

[0035] Please refer to Figure 1 and Figure 3In this embodiment, the double-layer reinforcement assembly includes an isolation cover 13 movably mounted on the shell cover 5, and an anti-corrosion coating cover 14 is fixed inside the isolation cover 13.

[0036] The isolation cover 13 is movably installed inside the shell cover 5, so that the anti-corrosion coating cover 14 is fixedly connected inside the isolation cover 13. The isolation cover 13 and the anti-corrosion coating cover 14 can prevent erosion and corrosion damage inside the shell cover 5.

[0037] Preferably, the isolation cover 13 and the anti-corrosion coating cover 14 are welded to the connecting pipe 7 through the pump pipe 6. When the pump casing 2 is connected and installed through the pump pipe 6 on the casing cover 5, the isolation cover 13 and the anti-corrosion coating cover 14 are isolated and protected at the connection of the pump casing 2 to provide anti-scouring and corrosion-resistant protection. The isolation cover 13 and the anti-corrosion coating cover 14 can be connected at the connection between the pump pipe 6, the casing cover 5 and the connecting pipe 7. The isolation cover 13 and the anti-corrosion coating cover 14 can be repaired or coated to enhance the internal strength of the split pump casing. The isolation cover 13 and the anti-corrosion coating cover 14 are welded to avoid directly affecting the thermal stress deformation of the split pump casing. The isolation cover 13 and the anti-corrosion coating cover 14 improve the anti-scouring and corrosion resistance of the split pump casing and extend the service life of the split pump casing.

[0038] As can be seen from the above, the fastening connection and installation are carried out through the fastening flange 9 and the flange bolt hole 10 on the reinforced shell 8, which can be used as a liquid delivery pipeline in a critical state. After the built-in shell 11 is threadedly fastened to the inside of the reinforced shell 8 through the shell thread ring 12, the inside of the reinforced shell 8 can be double-protected, and then the flange bolt hole 10 and the fastening flange 9 are threadedly assembled at the connection of the split pump shell. The built-in shell 11 and the shell thread ring 12 can be protectively installed at the connection of the split pump shell to prevent liquid from entering the gap at the connection of the split pump shell.

[0039] The other side of the split pump casing is assembled through the shell cover 5 on the pump casing 2. The pump pipe 6 and the connecting pipe 7 on the shell cover 5 are fixedly connected and installed in a connected manner. They can be sealed to be resistant to high temperature, low temperature, corrosion, and wear. The shell cover 5 is repaired or coated by the isolation cover 13 and the anti-corrosion coating cover 14 to enhance the internal strength of the split pump casing. The isolation cover 13 and the anti-corrosion coating cover 14 are welded to avoid directly affecting the thermal stress deformation of the split pump casing.

[0040] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0041] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A reinforcement structure, comprising a motor housing (1), a pump housing (2), a pump connecting pipe (3) and a housing assembly, wherein the pump housing (2) is fixedly mounted on one side of the motor housing (1), the pump connecting pipe (3) is fixed at the housing connection on the pump housing (2), and the pump housing (2) and the pump connecting pipe (3) are arranged at the welding part on the housing assembly, characterized in that: It also includes the following: A built-in anti-corrosion component mounted on the pump housing (2); A double-layer reinforcement component, arranged on the pump casing (2); A flange end (4) is installed at the pipe mouth at the top of the pump connecting pipe (3), a shell cover (5) is fixed to one side of the pump connecting pipe (3), a pump pipe (6) is arranged at the flow point in the middle of the shell cover (5), a connecting pipe (7) is fixed to one side of the pump pipe (6), a reinforcing shell (8) is fixedly connected to one side of the connecting pipe (7), a fastening flange (9) is movably installed inside the pipe mouth of the reinforcing shell (8), and flange bolt holes (10) are arranged around the fastening flange (9).

2. A reinforcement structure according to claim 1, characterized in that: The shell cover (5) is fixedly connected to the connecting pipe (7) via a pump pipe (6).

3. A reinforcement structure according to claim 1, characterized in that: The reinforcement shell (8) is threadedly assembled through the flange bolt hole (10) on the fastening flange (9).

4. A reinforcement structure according to claim 1, characterized in that: The built-in anti-corrosion component comprises a shell thread ring (12) fixedly connected to the inside of the reinforced shell (8), a built-in shell (11) is movably installed inside the shell thread ring (12), and the built-in shell (11) is threadedly fastened inside the shell thread ring (12).

5. A reinforcement structure according to claim 4, characterized in that: The housing thread ring (12) and the built-in shell (11) are fastened through the interior of the flange bolt hole (10) via a fastening flange (9).

6. A reinforcement structure according to claim 1, characterized in that: The double-layer reinforcement assembly comprises an isolation cover (13) movably mounted on the shell cover (5), and an anti-corrosion coating cover (14) is fixed inside the isolation cover (13).

7. A reinforcement structure according to claim 6, characterized in that: The isolation cover (13) and the anti-corrosion coating cover (14) are welded to the connecting pipe (7) via the pump pipe (6).

8. A split pump casing, characterized in that: The split pump casing is installed with a reinforcement structure as described in any one of claims 1-7.

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