Submersible pump flow guide shell capable of preventing sand

Abstract

The utility model discloses a sand-proof submersible pump flow guide shell which comprises a flow guide shell body, one end of the flow guide shell body is fixedly connected with a bottom plate, the other end of the flow guide shell body is fixedly connected with an end cover, a main shaft is inserted into the flow guide shell body in a rotating mode, and one end of the main shaft is fixedly connected with an impeller. A plurality of baffles are fixedly connected to the inner wall of the top and the inner wall of the bottom of the flow guide shell body, a collecting box is clamped to the bottom of the flow guide shell body, a plurality of reinforcing plates are fixedly connected to the circumferential outer wall of the flow guide shell body, the other ends of the reinforcing plates are fixedly connected with one side of a bottom plate, and a plurality of connecting holes are formed in one side of an end cover. The two sides of the baffle are each electroplated with a sand-proof porcelain-plated layer. According to the utility model, water flow is blocked by the baffle plate, so that the flow speed of the water flow is slowed down, and sand grains are deposited on one side of the baffle plate, so that the condition that the sand grains cause thinning, deformation or notch to the blades is prevented.

Description

Technical Field

[0001] This utility model relates to the field of submersible pump technology, and in particular to a sand-proof submersible pump guide shell. Background Technology

[0002] Submersible pumps are important equipment for deep well water extraction. When in use, the entire unit needs to be submerged in water to extract groundwater to the surface. They are suitable for domestic water supply, mine rescue, industrial cooling, farmland irrigation, seawater lifting, ship ballast adjustment and other fields.

[0003] Currently, the existing submersible pump guide shell structure design is often relatively simple, with a relatively direct water flow channel. Sand particles can easily enter the interior of the guide shell with the water flow, resulting in thinning, deformation, or gaps in the blades due to sand wear. This directly leads to a significant decrease in the head and flow rate of the submersible pump, seriously affecting its normal working efficiency and even failing to meet actual production needs. Utility Model Content

[0004] The purpose of this invention is to solve the problem of blade thinning, deformation, or gaps caused by sand abrasion, and to propose a sand-proof submersible pump guide shell.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A sand-proof submersible pump guide shell includes a guide shell body, one end of which is fixedly connected to a base plate, and the other end of which is fixedly connected to an end cap. A main shaft is rotatably inserted into the guide shell body, and an impeller is fixedly connected to one end of the main shaft. Multiple baffles are fixedly connected to the top and bottom inner walls of the guide shell body, and a collection box is snapped into the bottom of the guide shell body.

[0007] Furthermore, multiple reinforcing plates are fixedly connected to the outer circumferential wall of the flow guide shell body, and the other end of the reinforcing plate is fixedly connected to one side of the bottom plate.

[0008] Furthermore, one side of the end cap is provided with multiple connection holes.

[0009] Furthermore, both sides of the baffle are electroplated with a sand-resistant ceramic coating.

[0010] Furthermore, an installation plate is obliquely and fixedly connected between the multiple inner walls of the collection box, and multiple brushes are fixedly connected to the top of the installation plate.

[0011] Furthermore, a sand discharge port is provided on one side of the collection box, and a sealing cap is snapped into the sand discharge port.

[0012] Furthermore, a rubber sealing strip is adhered to the inner side of the sealing cover.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. By blocking the water flow through the baffle, the flow rate of the water is slowed down, so that the sand particles settle on one side of the baffle, thereby preventing the sand particles from causing the blades to become thin, deformed or chipped.

[0015] 2. The brush enhances the adhesion of sand particles, thus preventing them from being carried away by the water flow again and improving sand control performance.

[0016] 3. The application of a sand-resistant ceramic coating enhances the wear resistance, hardness, and corrosion resistance of the baffle, thus extending its service life. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the sand-proof submersible pump guide shell proposed in this utility model.

[0018] Figure 2 This is a cross-sectional structural schematic diagram of the sand-proof submersible pump guide shell proposed in this utility model.

[0019] Figure 3 This is a schematic diagram of the exploded structure of the sand-proof submersible pump guide shell proposed in this utility model.

[0020] In the diagram: 1. Guide shell body; 2. Base plate; 3. Reinforcing plate; 4. End cover; 5. Connecting hole; 6. Impeller; 7. Main shaft; 8. Baffle; 9. Anti-sand ceramic coating; 10. Collection box; 11. Mounting plate; 12. Brush; 13. Sand discharge port; 14. Sealing cover; 15. Rubber sealing strip. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Reference Figures 1-3 The submersible pump guide shell for sand prevention includes a guide shell body 1, a base plate 2 welded to one end of the guide shell body 1, an end cap 4 welded to the other end of the guide shell body 1, a main shaft 7 rotatably inserted into the guide shell body 1, an impeller 6 fixed to one end of the main shaft 7 by bolts, multiple baffles 8 welded to the top and bottom inner walls of the guide shell body 1, the water flow is blocked by the baffles 8, thereby slowing down the water flow velocity so that sand particles settle on one side of the baffles 8, thereby preventing the sand particles from causing thinning, deformation or gaps in the blades, and a collection box 10 snapped into the bottom of the guide shell body 1.

[0023] Multiple reinforcing plates 3 are welded to the outer circumference of the guide shell body 1. The other end of the reinforcing plate 3 is fixedly connected to one side of the bottom plate 2, thereby strengthening the connection between the guide shell body 1 and the bottom plate 2. Multiple connecting holes 5 are provided on one side of the end cap 4. Both sides of the baffle 8 are electroplated with anti-sand ceramic coating 9, thereby enhancing the wear resistance, hardness, and corrosion resistance of the baffle 8. The mounting plates 11 are obliquely fixed to the inner walls of the collection box 10 by bolts. Multiple brushes 12 are fixed to the top of the mounting plates 11 by bolts. The brushes 12 enhance the adhesion of sand particles, thereby preventing sand particles from being carried away by the water flow again, thus improving the anti-sand performance. A sand discharge port 13 is provided on one side of the collection box 10. A sealing cover 14 is snapped into the sand discharge port 13. When the sealing cover 14 is opened, sand particles are discharged from the collection box 10 through the sand discharge port 13. A rubber sealing strip 15 is glued to the inner side of the sealing cover 14, thereby sealing the sealing cover 14 and the collection box 10, thus preventing water leakage.

[0024] The working principle of this embodiment is as follows: When in use, the main shaft 7 is connected to the motor. Driven by the motor, the main shaft 7 rotates, thereby driving the impeller 6 to rotate, which in turn draws water into the guide shell body 1. Then, the water flow is blocked by the baffle 8, thereby slowing down the flow rate. Next, the sand particles settle on one side of the baffle 8, and then the sand particles fall onto the mounting plate 11. The brush 12 enhances the adhesion of the sand particles, thereby preventing the sand particles from being carried away by the water flow again. Finally, the sealing cover 14 is opened, and the sand particles are discharged from the sand discharge port 13 into the collection box 10.

[0025] Example 1

[0026] The sand-proof submersible pump guide shell includes a guide shell body 1, a base plate 2 welded to one end of the guide shell body 1, an end cap 4 welded to the other end of the guide shell body 1, a main shaft 7 rotatably inserted into the guide shell body 1, an impeller 6 fixed to one end of the main shaft 7 by bolts, multiple baffles 8 welded to the top and bottom inner walls of the guide shell body 1, the water flow is blocked by the baffles 8, thereby slowing down the water flow velocity so that sand particles settle on one side of the baffles 8, thereby preventing the sand particles from causing thinning, deformation or gaps in the blades, and a collection box 10 is snapped into the bottom of the guide shell body 1.

[0027] Example 2

[0028] This embodiment further defines the first embodiment, wherein: multiple reinforcing plates 3 are welded to the outer circumference of the guide shell body 1, and the other end of the reinforcing plate 3 is fixedly connected to one side of the bottom plate 2, thereby strengthening the connection between the guide shell body 1 and the bottom plate 2; multiple connecting holes 5 are provided on one side of the end cap 4; both sides of the baffle 8 are electroplated with anti-sand ceramic coating 9, thereby enhancing the wear resistance, hardness, and corrosion resistance of the baffle 8; and mounting plates 1 are obliquely fixed to the inner walls of the collection box 10 by bolts. 1. Multiple brushes 12 are fixed to the top of the mounting plate 11 by bolts. The brushes 12 enhance the adhesion of sand particles, thereby preventing the sand particles from being carried away by the water flow again, thus improving the sand prevention performance. A sand discharge port 13 is provided on one side of the collection box 10. A sealing cover 14 is snapped into the sand discharge port 13. When the sealing cover 14 is opened, the sand particles are discharged from the collection box 10 through the sand discharge port 13. A rubber sealing strip 15 is glued to the inside of the sealing cover 14, thereby sealing the sealing cover 14 and the collection box 10, thus preventing water leakage.

[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A sand-proof submersible pump guide shell, comprising a guide shell body (1), characterized in that, One end of the flow guide shell body (1) is fixedly connected to a base plate (2), and the other end of the flow guide shell body (1) is fixedly connected to an end cap (4). A main shaft (7) is rotatably inserted into the flow guide shell body (1), and an impeller (6) is fixedly connected to one end of the main shaft (7). Multiple baffles (8) are fixedly connected to the top inner wall and the bottom inner wall of the flow guide shell body (1). A collection box (10) is snapped into the bottom of the flow guide shell body (1).

2. The sand-proof submersible pump guide shell according to claim 1, characterized in that, The outer circumferential wall of the guide shell body (1) is fixedly connected with multiple reinforcing plates (3), and the other end of the reinforcing plate (3) is fixedly connected to one side of the bottom plate (2).

3. The sand-proof submersible pump guide shell according to claim 1, characterized in that, The end cap (4) has multiple connection holes (5) on one side.

4. The sand-proof submersible pump guide shell according to claim 1, characterized in that, Both sides of the baffle (8) are electroplated with anti-sand ceramic coating (9).

5. The sand-proof submersible pump guide shell according to claim 1, characterized in that, An installation plate (11) is obliquely fixedly connected between the inner walls of the collection box (10), and a plurality of brushes (12) are fixedly connected to the top of the installation plate (11).

6. The sand-proof submersible pump guide shell according to claim 1, characterized in that, The collection box (10) has a sand discharge port (13) on one side, and a sealing cap (14) is snapped into the sand discharge port (13).

7. The sand-proof submersible pump guide shell according to claim 6, characterized in that, A rubber sealing strip (15) is bonded to the inside of the sealing cover (14).

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