Corrosion-resistant leakage-free chemical centrifugal pump

Abstract

The utility model relates to the technical field of diesel hydrocracking, and provides a corrosion-resistant leakage-free chemical centrifugal pump, which comprises a centrifugal pump main body, a delivery pipe is welded inside the centrifugal pump main body, one end of the delivery pipe is provided with a gas guide head, the periphery of the inner wall of the delivery pipe is provided with output ports, and the output ports are communicated with the delivery pipe. A shade is welded between every two adjacent output ports, electric heating wires are arranged in the shades, and a feeding pipe is welded to the top of the centrifugal pump body. According to the corrosion-resistant leakage-free chemical centrifugal pump, the top cover is pressed to enable the sealing block to enter the feeding pipe, the sealing effect on the feeding pipe can be achieved under the action of the sealing pipe and the sealing block, the sealing pipe and the sealing block are in tooth shapes so that the connectivity between the sealing pipe and the sealing block can be improved, and under traction of the damping folding rod, the sealing effect is good. Separation of the sealing pipe and the sealing block can be avoided, the sealing effect of the centrifugal pump body is guaranteed, the leakage phenomenon is avoided, and the top cover of a rotatable structure can be used for adding diesel oil more conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of diesel hydrocracking, and in particular to a corrosion-resistant and leak-free chemical centrifugal pump. Background Art

[0002] Chemical centrifugal pump refers to a centrifugal pump used in the chemical industry. Compared with other types of pumps, chemical centrifugal pumps have the advantages of simple structure, not easy to wear, smooth operation, low noise, uniform water output, easy adjustment, and high efficiency. Therefore, chemical centrifugal pumps have been widely used. Chemical centrifugal pumps are needed in diesel hydrocracking work.

[0003] A Chinese patent discloses a chemical centrifugal pump with the publication number CN216044487U. The patent states that "it includes a base, a pump body is fixedly arranged on one side of the upper end of the base, a motor is fixedly arranged on the other end, a screw shaft inside the pump body is fixedly connected to the output end of the motor, two shields are symmetrically arranged at the connection between the pump body and the motor, a guide rail is fixedly arranged on the upper surface of the base relative to the connection between the pump body and the motor, a bidirectional screw rod is arranged inside the guide rail, a vertical connecting plate is fixedly connected to one side and the lower end of the shield, a sound insulation board is arranged inside the shield, sound-absorbing cotton is arranged inside the sound insulation board, the connection between the two shields is in contact with each other through a sealing ring, and a right-angle plate is fixedly arranged inside the shield." However, the prior art only uses a sealing ring to seal the pump body, and its sealing effect is limited. Under high-speed rotation, leakage is prone to occur. Therefore, it is very necessary to design a corrosion-resistant and leak-free chemical centrifugal pump. Utility Model Content

[0004] The utility model aims to provide a corrosion-resistant and leak-free chemical centrifugal pump, which solves the problems in the related art that the sealing effect is limited during use and leakage is likely to occur under high-speed rotation.

[0005] The technical solution of the utility model is as follows:

[0006] A corrosion-resistant and leak-free chemical centrifugal pump comprises a centrifugal pump body, a delivery pipe is welded inside the centrifugal pump body, and an air guide head is provided at one end of the delivery pipe, output ports are opened around the inner wall of the delivery pipe, and a shield is welded between two adjacent output ports, a heating wire is provided inside the shield, a feed pipe is welded on the top of the centrifugal pump body, and the bottom of the feed pipe is connected with the inside of the centrifugal pump body, a top cover is provided above the top of the feed pipe, and side blocks are installed on both sides of the top cover through a rotating shaft, a damping folding rod is installed on the side block through a torsion spring rotating shaft, and the other end of the damping folding rod is connected to the outer wall of the feed pipe, a sealing tube is glued to the inner wall of the feed pipe, and a sealing block is glued to the bottom end face of the top cover.

[0007] Preferably, the inner wall of the centrifugal pump body is coated with anti-corrosion paint, the sealing block is plugged into the feed pipe, and the outer contour of the sealing block fits tightly with the inner contour of the sealing tube, the sealing tube and the sealing block are both made of rubber material, and the inner wall of the sealing tube and the outer wall of the sealing block are both serrated.

[0008] Preferably, a transmission rod is welded to one end of the centrifugal pump body, and a plurality of slots are equidistantly provided on the outer wall of the transmission rod. A motor is externally provided at one end of the centrifugal pump body, and a connecting cap is fixed to the output end of the motor, and a plurality of clips are equidistantly welded to the inner wall of the connecting cap.

[0009] Preferably, the number of the card slots and the card strips are the same, and the sizes of the card slots and the card strips are equal, the card strips are plugged into the card slots, the card strips are made of magnets, the transmission rod is made of metal material, and the card slots and the card strips are connected by magnetic attraction.

[0010] Preferably, a base is provided below the bottom of the centrifugal pump body, and lifting columns are screwed around the top end surface of the base, a first limiting frame is provided below the bottom of the centrifugal pump body, and a second limiting frame is provided above the top of the centrifugal pump body.

[0011] Preferably, the four corners of the first limiting frame and the second limiting frame are welded and fixed to the lifting column, and a plurality of rollers are equidistantly provided on the first limiting frame and the second limiting frame, and rubber sleeves are sleeved on the rollers.

[0012] Preferably, the outer wall of the rubber sleeve is in contact with the outer wall of the centrifugal pump body, and the rubber sleeve is made of chloroprene rubber.

[0013] Preferably, a top plate is provided above the top of the second limiting frame, and connecting columns are welded around the bottom end surface of the top plate, and one end of the bottom of the connecting column is welded and fixed to the top of the lifting column.

[0014] Preferably, pillars are welded around the bottom end surface of the top plate, and a supporting foot is welded at one end of the bottom of the pillar.

[0015] Preferably, the bottom of the supporting foot is provided with anti-slip grooves.

[0016] Beneficial effects of the utility model:

[0017] 1. Press the top cover to make the sealing block enter the feed pipe. Under the action of the sealing pipe and the sealing block, the feed pipe can be sealed. The teeth on the sealing pipe and the sealing block are conducive to increasing the connectivity between the sealing pipe and the sealing block. Under the traction of the damping folding rod, the sealing pipe and the sealing block can be avoided from separating, thereby ensuring the sealing effect of the centrifugal pump body and avoiding leakage. The rotatable top cover can make it more convenient to add diesel. Heating by electric heating wire can increase the molecular activity in the centrifugal pump body, which is conducive to the work of diesel hydrogenation and cracking.

[0018] 2. Press the top plate to shrink the lifting column, and make the second limit frame press the centrifugal pump body from the top. The first limit frame and the second limit frame can be used to fix the centrifugal pump body. The transmission rod and the connecting cap can be connected through the slot and the strip. Driven by the motor, the centrifugal pump body can be driven to rotate. The rotation can generate a centrifugal effect in the centrifugal pump body. The supporting effect of the support feet and pillars can improve the overall stability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] Figure 1 It is an isometric view of the entire utility model;

[0021] Figure 2 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0022] Figure 3 The overall structure of the utility model is shown in FIG. Figure 2 ;

[0023] Figure 4 This is the overall cutaway view of the utility model Figure 1 ;

[0024] Figure 5 This is the overall cutaway view of the utility model Figure 2 ;

[0025] In the figure: 1. centrifugal pump body; 2. delivery pipe; 3. air guide head; 4. output port; 5. shield; 6. heating wire; 7. feed pipe; 8. top cover; 9. side block; 10. damping folding rod; 11. sealing tube; 12. sealing block; 13. transmission rod; 14. slot; 15. motor; 16. connecting cap; 17. clamping strip; 18. base; 19. lifting column; 20. first limit frame; 21. second limit frame; 22. roller; 23. rubber sleeve; 24. top plate; 25. connecting column; 26. support; 27. support foot. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figure 1-5As shown, this embodiment proposes a corrosion-resistant and leak-free chemical centrifugal pump, including a centrifugal pump body 1, a delivery pipe 2 is welded inside the centrifugal pump body 1, and an air guide head 3 is provided at one end of the delivery pipe 2, output ports 4 are opened around the inner wall of the delivery pipe 2, and a shield 5 is welded between two adjacent output ports 4, and a heating wire 6 is provided inside the shield 5, a feed pipe 7 is welded on the top of the centrifugal pump body 1, and the bottom of the feed pipe 7 is connected to the inside of the centrifugal pump body 1, a top cover 8 is provided above the top of the feed pipe 7, and side blocks 9 are installed on both sides of the top cover 8 through a rotating shaft, a damping folding rod 10 is installed on the side block 9 through a torsion spring rotating shaft, and the other end of the damping folding rod 10 is connected to the outer wall of the feed pipe 7, and a sealing tube 11 is glued to the inner wall of the feed pipe 7 A sealing block 12 is glued to the bottom end surface of the top cover 8, and the inner wall of the centrifugal pump body 1 is coated with an anti-corrosion paint. The sealing block 12 is plugged and installed in the feed pipe 7, and the outer contour of the sealing block 12 is closely fitted with the inner contour of the sealing tube 11. The sealing tube 11 and the sealing block 12 are both made of rubber material. The inner wall of the sealing tube 11 and the outer wall of the sealing block 12 are both toothed, which is conducive to increasing the connectivity between the sealing tube 11 and the sealing block 12. A transmission rod 13 is welded to one end of the centrifugal pump body 1, and a plurality of card slots 14 are equidistantly provided on the outer wall of the transmission rod 13. A motor 15 is provided on the outside of one end of the centrifugal pump body 1, and a connecting cap 16 is fixed to the output end of the motor 15. A plurality of card strips 17 are equidistantly welded to the inner wall of the connecting cap 16, and the card slots 14 and the card strips 17 are connected to the outer wall of the connecting cap 16. The transmission rod 13 and the connecting cap 16 can be connected. Under the drive of the motor 15, the centrifugal pump body 1 can be driven to rotate. By means of rotation, a centrifugal effect is generated in the centrifugal pump body 1. The number of the card slots 14 and the card strips 17 is the same, and the sizes of the card slots 14 and the card strips 17 are equal. The card strips 17 are plugged and installed in the card slots 14. The card strips 17 are made of magnets. The transmission rod 13 is made of metal material, and the card slots 14 and the card strips 17 are connected by magnetic attraction. A base 18 is provided below the bottom of the centrifugal pump body 1, and lifting columns 19 are screwed around the top end surface of the base 18. A first limiting frame 20 is provided below the bottom of the centrifugal pump body 1, and a second limiting frame 21 is provided above the top of the centrifugal pump body 1. The first limiting frame 20 and the second limiting frame 21 can be used to In order to play a role in fixing and limiting the centrifugal pump body 1, the four corners of the first limiting frame 20 and the second limiting frame 21 are welded and fixed to the lifting column 19, and a number of rollers 22 are equidistantly arranged on the first limiting frame 20 and the second limiting frame 21, and a rubber sleeve 23 is sleeved on the roller 22, and the outer wall of the rubber sleeve 23 is fitted with the outer wall of the centrifugal pump body 1, and the rubber sleeve 23 is made of chloroprene rubber. A top plate 24 is provided above the top of the second limiting frame 21, and connecting columns 25 are welded around the bottom end surface of the top plate 24, and one end of the bottom of the connecting column 25 is welded and fixed to the top of the lifting column 19, and pillars 26 are welded around the bottom end surface of the top plate 24, and a support leg 27 is welded at one end of the bottom of the support leg 27 and the support leg 26. The supporting effect of the support leg 27 and the support leg 26 is utilized.The overall stability of the device can be improved, and the bottom of the support foot 27 is provided with anti-slip grooves.

[0028] In this embodiment, when in use, diesel is added to the inside of the centrifugal pump body 1 through the feed pipe 7. After the addition is completed, the top cover 8 is rotated, and the sealing block 12 is suspended on the feed pipe 7. The top cover 8 is pressed to allow the sealing block 12 to enter the feed pipe 7. Under the action of the sealing pipe 11 and the sealing block 12, the feed pipe 7 can be sealed. By connecting the pipeline for conveying hydrogen with the gas guide head 3, hydrogen can be introduced into the delivery pipe 2. The hydrogen in the delivery pipe 2 can enter the centrifugal pump body 1 through the output port 4, which is conducive to the work of diesel hydrogenation and cracking. By heating with the electric heating wire 6, In order to improve the molecular activity in the centrifugal pump body 1, the lifting column 19 is contracted by pressing the top plate 24, and the second limiting frame 21 presses the centrifugal pump body 1 from the top. The first limiting frame 20 and the second limiting frame 21 can play a fixed limiting role on the centrifugal pump body 1. The transmission rod 13 and the connecting cap 16 can be connected through the card slot 14 and the card strip 17. Under the drive of the motor 15, the centrifugal pump body 1 can be driven to rotate. The rotation can generate a centrifugal effect in the centrifugal pump body 1. The supporting effect of the support feet 27 and the pillars 26 can improve the overall stability of the equipment.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A corrosion-resistant and leak-free chemical centrifugal pump, comprising a centrifugal pump body (1), characterized in that: A delivery pipe (2) is welded inside the centrifugal pump body (1), and an air guide head (3) is provided at one end of the delivery pipe (2). Output ports (4) are provided around the inner wall of the delivery pipe (2), and a shield (5) is welded between two adjacent output ports (4). A heating wire (6) is provided inside the shield (5). A feed pipe (7) is welded on the top of the centrifugal pump body (1), and the bottom of the feed pipe (7) is connected to the inside of the centrifugal pump body (1). A top cover (8) is provided above the top of the feed pipe (7), and side blocks (9) are installed on both sides of the top cover (8) through a rotating shaft. A damping folding rod (10) is installed on the side block (9) through a torsion spring rotating shaft, and the other end of the damping folding rod (10) is connected to the outer wall of the feed pipe (7). A sealing pipe (11) is glued to the inner wall of the feed pipe (7), and a sealing block (12) is glued to the bottom end surface of the top cover (8).

2. A corrosion-resistant and leak-free chemical centrifugal pump according to claim 1, characterized in that: The inner wall of the centrifugal pump body (1) is coated with an anti-corrosion coating, the sealing block (12) is plugged and installed in the feed pipe (7), and the outer contour of the sealing block (12) is tightly fitted with the inner contour of the sealing tube (11), the sealing tube (11) and the sealing block (12) are both made of rubber material, and the inner wall of the sealing tube (11) and the outer wall of the sealing block (12) are both toothed.

3. The corrosion-resistant and leak-free chemical centrifugal pump according to claim 1 is characterized in that: A transmission rod (13) is welded to one end of the centrifugal pump body (1), and a plurality of slots (14) are equidistantly formed on the outer wall of the transmission rod (13). A motor (15) is externally provided at one end of the centrifugal pump body (1), and a connecting cap (16) is fixed to the output end of the motor (15), and a plurality of clips (17) are equidistantly welded to the inner wall of the connecting cap (16).

4. A corrosion-resistant and leak-free chemical centrifugal pump according to claim 3, characterized in that: The number of the card slots (14) and the card strips (17) are the same, and the sizes of the card slots (14) and the card strips (17) are equal; the card strips (17) are plugged into and installed in the card slots (14); the card strips (17) are made of magnets; the transmission rod (13) is made of metal material; and the card slots (14) and the card strips (17) are connected by magnetic attraction.

5. The corrosion-resistant and leak-free chemical centrifugal pump according to claim 1, characterized in that: A base (18) is provided below the bottom of the centrifugal pump body (1), and lifting columns (19) are screwed around the top end surface of the base (18). A first limiting frame (20) is provided below the bottom of the centrifugal pump body (1), and a second limiting frame (21) is provided above the top of the centrifugal pump body (1).

6. A corrosion-resistant and leak-free chemical centrifugal pump according to claim 5, characterized in that: The four corners of the first limiting frame (20) and the second limiting frame (21) are welded and fixed to the lifting column (19); a plurality of rollers (22) are equidistantly arranged on the first limiting frame (20) and the second limiting frame (21), and the rollers (22) are sleeved with rubber sleeves (23).

7. The corrosion-resistant and leak-free chemical centrifugal pump according to claim 6, characterized in that: The outer wall of the rubber sleeve (23) is in contact with the outer wall of the centrifugal pump body (1), and the rubber sleeve (23) is made of chloroprene rubber.

8. The corrosion-resistant and leak-free chemical centrifugal pump according to claim 5, characterized in that: A top plate (24) is provided above the top of the second limiting frame (21), and connecting columns (25) are welded around the bottom end surface of the top plate (24), and one end of the bottom of the connecting column (25) is welded and fixed to the top of the lifting column (19).

9. The corrosion-resistant and leak-free chemical centrifugal pump according to claim 8, characterized in that: Support pillars (26) are welded around the bottom end surface of the top plate (24), and a support foot (27) is welded at one end of the bottom of the support pillar (26).

10. A corrosion-resistant and leak-free chemical centrifugal pump according to claim 9, characterized in that: The bottom of the supporting foot (27) is provided with anti-slip grooves.

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