Corrosion-resistant centrifugal pump for industrial circulation

Abstract

The utility model relates to a corrosion-resistant centrifugal pump for industrial circulation, which comprises a centrifugal pump body, an impeller is arranged in the centrifugal pump body, an epoxy resin coating is arranged on the surface of the impeller, one end of the centrifugal pump body is fixedly communicated with a water inlet, and one end of the water inlet is fixedly communicated with a second connector. One end of the second connector fixedly communicates with a filter box, a filter plate is fixedly connected to the middle of the inner wall of the filter box, a cleaning mechanism is fixedly mounted on one side of the filter plate, and an activated carbon filter mechanism is fixedly mounted on one side of the joint of the filter plate and the filter box. Damage of impurities and other objects to the impeller in the working process is reduced, and the service life of the impeller is prolonged. And the replacement frequency and cost are reduced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of industrial water circulation, in particular to a corrosion-resistant centrifugal pump for industrial circulation. BACKGROUND

[0002] In the industrial field, some liquids often need to be recycled, so a centrifugal pump needs to be used. The centrifugal pump in the prior art drives the impeller to rotate at high speed through a pump shaft. The liquid in the impeller is thrown to the outlet of the impeller along the blade flow channel under the action of centrifugal force, the speed and pressure energy are increased, the liquid is collected through a volute and then sent to a discharge pipe, so that the liquid is transported. However, the above common centrifugal pump still has the following problems:

[0003] Firstly, the impeller is a very important component of the centrifugal pump. However, the protection of the traditional impeller is insufficient during work. The industrial water contains various impurities, iron filings and some substances that have a corrosive effect on the impeller. The service life of the impeller is short and the replacement cost is high if the impeller is used in such an environment for a long time. SUMMARY

[0004] In order to reduce the damage of impurities and other objects to the impeller during work, improve the service life of the impeller, reduce the replacement frequency and cost, the application provides a corrosion-resistant centrifugal pump for industrial circulation.

[0005] The corrosion-resistant centrifugal pump for industrial circulation provided by the application adopts the following technical scheme:

[0006] The corrosion-resistant centrifugal pump for industrial circulation comprises a centrifugal pump body, the inside of the centrifugal pump body is provided with an impeller, the surface of the impeller is provided with an epoxy resin coating, one end of the centrifugal pump body is fixedly connected with a water inlet, one end of the water inlet is fixedly connected with a second connecting head, one end of the second connecting head is fixedly connected with a filter box, the middle of the inner wall of the filter box is fixedly connected with a filter plate, one side of the filter plate is fixedly installed with a cleaning mechanism, and one side of the connection between the filter plate and the filter box is fixedly installed with an activated carbon filtering mechanism.

[0007] Preferably, one end of the filter box is fixedly connected with a first connecting head, and one side of the top end of the filter box is provided with a mounting groove.

[0008] Preferably, the cleaning mechanism comprises a rotating rod, the rotating rod is rotatably connected to the filter plate, one end of the rotating rod is fixedly connected with a cross-shaped scraper, and one side of the cross-shaped scraper is fixedly connected with a driven gear.

[0009] Preferably, the other side of the top end of the filter box is fixedly connected with a threaded sleeve, the inside of the threaded sleeve is threadedly connected with a cleaning screw rod, one end of the cleaning screw rod is fixedly connected with a cleaning handle, and the other end of the cleaning screw rod is provided with a connecting rotating hole.

[0010] Preferably, the inside of the filter box is fixedly connected with a first sliding rod and a second sliding rod, the surface of the first sliding rod is slidably connected with a lifting block, the bottom of the lifting block is fixedly connected with an auxiliary spring, the auxiliary spring is sleeved on the first sliding rod, the surface of the second sliding rod is slidably connected with a transmission gear plate, the middle part of the transmission gear plate is provided with a gear plate sliding hole, the inside of the gear plate sliding hole is slidably connected with the surface of the second sliding rod, the lifting block and the transmission gear plate are fixedly connected with a connecting plate, the surface of the connecting plate is fixedly connected with a connecting rotating rod, the connecting rotating rod is rotatably connected with a connecting rotating hole, and one side of the transmission gear plate is meshingly connected with one side of a driven gear.

[0011] Preferably, the inside of the mounting groove is fixedly connected with a sealing gasket, and the active carbon filtering mechanism comprises a mounting frame.

[0012] Preferably, the bottom of the mounting frame is provided with a clamping groove, the inner wall of the filter box is fixedly connected with a protrusion corresponding to the mounting groove, the clamping groove is clamped with the protrusion, the inside of the mounting frame is rotatably connected with a plurality of rotating supporting rods, the surface of the plurality of rotating supporting rods is provided with active carbon rods, and the surface of the plurality of rotating supporting rods is fixedly connected with water dynamic blades.

[0013] Compared with the prior art, the impeller is provided with an epoxy resin coating on the surface, which is beneficial to greatly improving the corrosion resistance and wear resistance of the impeller, and the impeller and the coating on the surface of the impeller are damaged by impurities and metal chips in industrial water, so a filtering mechanism is arranged to filter the chips and impurities through the filter screen, prevent damage to the impeller itself and the coating on the surface of the impeller, and the self-cleaning structure is arranged, the filter plate is cleaned through the external screw rod and gear structure, and the screw rod can maintain good sealing performance;

[0014] The active carbon adsorption mechanism is arranged behind the filter plate, can adsorb some substances that corrode the impeller and the centrifugal pump, is beneficial to prolonging the service life of the centrifugal pump, and the active carbon rod can rotate by itself when the water flows, can effectively reduce the local saturation of the active carbon rod, and can fully play the adsorption effect of the active carbon rod. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the main embodiment of the application for industrial circulating corrosion-resistant centrifugal pump structure of the shaft measurement diagram;

[0016] Figure 2 is the main embodiment of the application for filtering mechanism structure of the shaft measurement diagram;

[0017] Figure 3is the axonometric view of the main part of the filter mechanism in the embodiment of the present application;

[0018] Figure 4 is the cross-sectional view of the main part of the internal structure of the filter box in the embodiment of the present application;

[0019] Figure 5 is the axonometric view of the main part of the tooth plate assembly in the embodiment of the present application;

[0020] Figure 6 is the axonometric view of the main part of the scraper assembly in the embodiment of the present application;

[0021] Figure 7 is the axonometric view of the main part of the screw assembly in the embodiment of the present application;

[0022] Figure 8 is the axonometric view of the main part of the activated carbon rod in the embodiment of the present application.

[0023] The drawings show that: 1 is a centrifugal pump body; 2 is a first connecting head; 3 is a filter box; 4 is a second connecting head; 5 is a filter plate; 6 is a rotating rod; 7 is a cross-shaped scraper; 8 is a driven gear; 9 is a first sliding rod; 10 is a second sliding rod; 11 is an auxiliary spring; 12 is a lifting sliding block; 13 is a transmission tooth plate; 14 is a tooth plate sliding hole; 15 is a connecting plate; 16 is a connecting rotating rod; 17 is a threaded sleeve; 18 is a cleaning screw; 19 is a connecting rotating hole; 20 is a mounting frame; 21 is a rotating support rod; 22 is a water-driven blade; 23 is an activated carbon rod; 24 is a sealing gasket; 25 is a protrusion; 26 is a clamping groove. DETAILED DESCRIPTION

[0024] The drawings are described below Figures 1-8 The present application is further described in detail.

[0025] The embodiment of the present application discloses a corrosion-resistant centrifugal pump for industrial circulation.

[0026] Referring to Figures 1-8 The corrosion-resistant centrifugal pump for industrial circulation comprises a centrifugal pump body 1, an impeller is arranged in the centrifugal pump body 1, an epoxy resin coating is arranged on the surface of the impeller, one end of the centrifugal pump body 1 is fixedly connected with a water inlet, one end of the water inlet is fixedly connected with a second connecting head 4, one end of the second connecting head 4 is fixedly connected with a filter box 3, a filter plate 5 is fixedly connected to the middle of the inner wall of the filter box 3, a cleaning mechanism is fixedly installed on one side of the filter plate 5, and an activated carbon filter mechanism is fixedly installed on one side of the connection between the filter plate 5 and the filter box 3.

[0027] Referring to Figures 2-7Further, one end of the filter box 3 is fixedly connected with the first connector 2, one side of the top end of the filter box 3 is provided with a mounting groove, the cleaning mechanism comprises a rotating rod 6, the rotating rod 6 is rotatably connected to the filter plate 5, one end of the rotating rod 6 is fixedly connected with a cross-shaped scraper 7, one side of the cross-shaped scraper 7 is fixedly connected with a driven gear 8, the other side of the top end of the filter box 3 is fixedly connected with a threaded sleeve 17, the inside of the threaded sleeve 17 is threadedly connected with a cleaning screw rod 18, one end of the cleaning screw rod 18 is fixedly connected with a cleaning handle, the other end of the cleaning screw rod 18 is provided with a connecting rotating hole 19, the inside of the filter box 3 is fixedly connected with a first sliding rod 9 and a second sliding rod 10, the surface of the first sliding rod 9 is slidably connected with a lifting sliding block 12, the bottom of the lifting sliding block 12 is fixedly connected with an auxiliary spring 11, the auxiliary spring 11 is sleeved on the first sliding rod 9, the surface of the second sliding rod 10 is slidably connected with a transmission gear plate 13, the middle part of the transmission gear plate 13 is provided with a gear plate sliding hole 14, the inside of the gear plate sliding hole 14 is slidably connected with the surface of the second sliding rod 10, the lifting sliding block 12 and the transmission gear plate 13 are fixedly connected with a connecting plate 15, the surface of the connecting plate 15 is fixedly connected with a connecting rotating rod 16, the connecting rotating rod 16 is rotatably connected with the connecting rotating hole 19, one side of the transmission gear plate 13 is meshingly connected with one side of the driven gear 8;

[0028] When using, when cleaning is needed, the cleaning handle is rotated to drive the cleaning screw 18 to rotate, the cleaning screw 18 rotates in the inside of the threaded sleeve 17, a packing is arranged between the cleaning screw 18 and the threaded sleeve 17, the sealing performance of the fine screw itself is excellent, and the packing process can further enhance the sealing, a connecting rotating hole 19 is arranged at the end of the cleaning screw 18, the filter plate 5 is arranged in the inside of the filter box 3, the rotating rod 6 is rotatably connected to the side of the filter plate 5 where water enters, the cross-shaped scraper 7 is fixedly connected to the rotating rod 6, the cross-shaped scraper 7 is tightly attached to the filter plate 5, and the cleaning effect on the filter plate 5 can be enhanced, the driven gear 8 is arranged at the middle of the side of the cross-shaped scraper 7, the driven gear 8 is coaxial with the rotating rod 6, the first sliding rod 9 and the second sliding rod 10 are fixedly connected in the inside of the filter box 3 on the side of the filter plate 5, and the toothed plate assembly is slidably connected between the two sliding rods, the lifting sliding block 12 and the transmission toothed plate 13 are slidably connected to the surfaces of the first sliding rod 9 and the second sliding rod 10 respectively, the transmission toothed plate 13 has a through hole, which is a toothed plate sliding hole 14, and the connecting plate 15 is arranged between the transmission toothed plate 13 and the lifting sliding block 12, the connecting plate 15 connects the two together, the connecting rotating rod 16 is fixedly installed on the connecting plate 15, and the connecting rotating rod 16 is rotatably connected with the connecting rotating hole 19, so that the cleaning screw 18 is moved downward, at this time, because the connecting rotating rod 16 and the connecting rotating hole 19 are rotatably connected, the toothed plate assembly moves downward along with the cleaning screw 18, the transmission toothed plate 13 and the driven gear 8 are meshingly connected, so that the driven gear 8 is driven to rotate when the transmission toothed plate 13 moves, the driven gear 8 is integral with the rotating rod 6 and the cross-shaped scraper 7, so that the cross-shaped scraper 7 rotates to clean the surface of the filter plate 5, and the auxiliary spring 11 is sleeved on the first sliding rod 9, when the cleaning screw 18 is twisted in the opposite direction, the auxiliary spring 11 can provide an auxiliary effect through the elastic force of the auxiliary spring 11.

[0029] Referring to Figure 8 Further, the sealing gasket 24 is fixedly connected in the inside of the mounting groove, the active carbon filtering mechanism comprises the mounting frame 20, the mounting frame 20 is fixedly installed in the mounting groove through bolts, the bottom of the mounting frame 20 is provided with the clamping groove 26, the inner wall of the filter box 3 is fixedly connected with the protruding block 25 corresponding to the mounting groove, the clamping groove 26 is clamped with the protruding block 25, a plurality of rotating rods 21 are rotatably connected in the inside of the mounting frame 20, the surfaces of the plurality of rotating rods 21 are provided with the active carbon rods 23, and the surfaces of the plurality of rotating rods 21 are fixedly connected with the water-driven blades 22 at both ends;

[0030] In use, after the water flows through the filter plate 5, it continues to flow to the activated carbon assembly, and when the water flows through the water-driven blades 22, part of the kinetic energy of the water flow is converted into the kinetic energy of the rotation of the support rod 21, which in turn drives the rotation of the activated carbon rod 23. The rotation of the activated carbon rod 23 can reduce the occurrence of adsorption saturation on the surface of the carbon rod, and the utilization rate of the surface during use is more uniform, which can fully play the adsorption effect of the activated carbon rod 23. The rotating support rod 21 is rotationally connected to the mounting frame 20, and the bottom of the mounting frame 20 is provided with a clamping groove 26. The clamping groove 26 is clamped on the protrusion 25 fixedly connected to the inner wall of the filter box 3, which can make the entire activated carbon adsorption mechanism more stable. A sealing gasket 24 is installed on the inner wall of the mounting groove, and after the mounting frame 20 is placed in the mounting groove, it is fixed by bolts. The sealing gasket 24 can achieve good sealing effect, and the activated carbon rod 23 can be replaced or cleaned by disassembling the mounting frame 20.

[0031] In use, the industrial water enters the filter box 3 through the first connecting head 2, and is preliminarily filtered by the filter plate 5 in the filter box 3. After the water passing through the filter plate 5 passes through the activated carbon rod 23, it can absorb some corrosive components that cannot be filtered out by the filter plate 5, thereby reducing the corrosion of the industrial water to the centrifugal pump body 1, effectively prolonging the service life of the centrifugal pump, and setting an epoxy resin coating on the surface of the impeller, which can greatly improve the service life of the impeller and improve the corrosion resistance of the impeller. The filter mechanism can reduce the damage of impurities to the surface of the impeller and the centrifugal pump body 1, and indirectly improve the corrosion resistance of the centrifugal pump. The activated carbon assembly can adsorb some corrosive components, thereby improving the corrosion resistance of the centrifugal pump and prolonging the service life of the centrifugal pump.

[0032] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, any equivalent changes made in terms of structure, shape, principle, etc. of the present application should be covered within the protection scope of the present application.

Claims

1. A corrosion resistant centrifugal pump for industrial circulation comprising a centrifugal pump body (1) characterized by: The inside of the centrifugal pump body (1) is provided with an impeller, the surface of the impeller is provided with an epoxy resin coating, one end of the centrifugal pump body (1) is fixedly connected with a water inlet, one end of the water inlet is fixedly connected with a second connecting head (4), one end of the second connecting head (4) is fixedly connected with a filter box (3), the middle of the inner wall of the filter box (3) is fixedly connected with a filter plate (5), one side of the filter plate (5) is fixedly installed with a cleaning mechanism, one side of the connection between the filter plate (5) and the filter box (3) is fixedly installed with an activated carbon filtering mechanism.

2. A corrosion resistant centrifugal pump for industrial circulation as claimed in claim 1 wherein: One end of the filter box (3) is fixedly connected with a first connecting head (2), one side of the top of the filter box (3) is provided with a mounting groove.

3. A corrosion resistant centrifugal pump for industrial circulation as claimed in claim 1 wherein: The cleaning mechanism comprises a rotating rod (6), the rotating rod (6) is rotatably connected to the filter plate (5), one end of the rotating rod (6) is fixedly connected with a cross-shaped scraper (7), one side of the cross-shaped scraper (7) is fixedly connected with a driven gear (8).

4. A corrosion resistant centrifugal pump for industrial circulation as claimed in claim 3 wherein: The other side of the top of the filter box (3) is fixedly connected with a threaded sleeve (17), the inside of the threaded sleeve (17) is threadedly connected with a cleaning screw rod (18), one end of the cleaning screw rod (18) is fixedly connected with a cleaning handle, the other end of the cleaning screw rod (18) is provided with a connecting rotating hole (19).

5. A corrosion resistant centrifugal pump for industrial circulation as claimed in claim 4 wherein: The inside of the filter box (3) is fixedly connected with a first sliding rod (9) and a second sliding rod (10), the surface of the first sliding rod (9) is slidably connected with a lifting sliding block (12), the bottom of the lifting sliding block (12) is fixedly connected with an auxiliary spring (11), the auxiliary spring (11) is sleeved on the first sliding rod (9), the surface of the second sliding rod (10) is slidably connected with a transmission gear plate (13), the middle of the transmission gear plate (13) is provided with a gear plate sliding hole (14), the inside of the gear plate sliding hole (14) is slidably connected with the surface of the second sliding rod (10), the lifting sliding block (12) and the transmission gear plate (13) are fixedly connected with a connecting plate (15), the surface of the connecting plate (15) is fixedly connected with a connecting rotating rod (16), the connecting rotating rod (16) is rotatably connected with the connecting rotating hole (19), one side of the transmission gear plate (13) is meshingly connected with one side of the driven gear (8).

6. A corrosion resistant centrifugal pump for industrial circulation as claimed in claim 2 wherein: The inside of the mounting groove is fixedly connected with a sealing gasket (24), the activated carbon filtering mechanism comprises a mounting frame (20), the mounting frame (20) is fixedly installed in the mounting groove through bolts.

7. A corrosion resistant centrifugal pump for industrial circulation as claimed in claim 6 wherein: The bottom of the mounting frame (20) is provided with a clamping groove (26), the inner wall of the filter box (3) is fixedly connected with a protrusion (25) corresponding to the mounting groove, the clamping groove (26) is clamped with the protrusion (25), the inside of the mounting frame (20) is rotatably connected with a plurality of rotating supporting rods (21), the surface of the plurality of rotating supporting rods (21) is provided with activated carbon rods (23), the two ends of the surface of the plurality of rotating supporting rods (21) are fixedly connected with water blades (22).

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