Pumping station purification water tank

Abstract

The invention relates to the technical field of emulsion pump station equipment, in particular to a pump station purification water tank which is characterized in that an annular sliding ring is attached to an inner cavity of a water purification tank body, during cleaning, a screw shaft rotates intermittently to drive a nut sliding seat to transversely move intermittently, and when the sliding ring is pushed to transversely move through the nut sliding seat, an annular air bag shrinks inwards towards the side edge of the sliding ring; the inner wall of the water purification tank body is scraped and swept from the outer end of the side edge of the sliding ring, scraped and swept dirt is left in the sliding ring and stops until the sliding ring transversely moves by a preset distance, the annular air bag is reset to a sealed state in the intermittent time when the sliding ring stops, and the gear is driven to rotate through the telescopic sleeve, so that the cleaning brush conducts circumferential sweeping around the inner wall of the water purification tank body. Compared with a conventional cleaning mode of the pump station purified water tank, the pump station purified water tank cleaning device has the advantages that water supply pause and purified water emptying are not needed, operation and use are simpler and more convenient, and continuous supply of a pump station is not affected.

Description

Technical Field

[0001] The present invention relates to the technical field of emulsion pump station equipment, and in particular to a purification water tank for a pump station. Background Art

[0002] The emulsion pump station is the power device of the hydraulic support, which is a key support equipment in fully mechanized coal mining and other operations. The water purification tank used to store the prepared clean water in the emulsion pump station is one of the core equipment to ensure the quality of the emulsion. In the prior art, such as the mine-used emulsion mobile pump station with anti-overflow function disclosed in Chinese Patent Document CN204493315U, the mine emulsion multi-level supply and distribution system and the supply method disclosed in CN104289150A, etc., as well as the existing conventional emulsion pump stations, all adopt a water purification tank including a liquid dispenser and connected to the inlet end of the liquid dispenser through a water pump. The liquid dispenser is configured with a fixed oil-water ratio and supplied to the emulsion tank. Among them, the water purification tank needs to isolate and store clean water and prevent water quality deterioration. Therefore, a sewage valve is provided at the bottom of the conventional water purification tank to discharge sediment and dirt, and a reserved cleaning hole can also be added at the top of the water purification tank to support high-pressure water gun cleaning or CIP (Cleaning in Place) system. However, in the existing conventional cleaning method, the water purification tank of this part needs to be suspended or even emptied during the cleaning operation, which is inconvenient to operate and use, affects the continuous supply and use of the pump station, and considering that the inside of the water purification tank is a cavity design, the positions where dirt exists are mainly concentrated on the cavity wall. And the existing conventional cleaning method is time-consuming and laborious to complete a comprehensive cleaning of the cavity wall, and the efficiency is not high. Summary of the Invention

[0003] In view of this, the purpose of the present invention is to provide a purification water tank for a pump station to solve the problems that when the purification water tank of the existing emulsion pump station is cleaned, it needs to be suspended or even emptied of clean water, which is inconvenient to operate and use, affects the continuous supply and use of the pump station, and the comprehensive cleaning efficiency of the cavity wall is not high.

[0004] Based on the above purpose, the present invention provides a purification water tank for a pump station, including a water purification tank body, and the outlet end of the water purification tank body is connected to the emulsion tank through a liquid dispenser:

[0005] The inner cavity of the water purification tank body is designed in the shape of a horizontally placed cylinder. A circular sliding ring is attached to the inner cavity of the water purification tank body. The sliding ring is designed with a hollow structure. An internal gear ring is rotatably connected to the inner circle of the sliding ring. A brush seat is connected to the outer circle of the internal gear ring inside the sliding ring. A cleaning brush is provided on the brush seat, and the outer end of the cleaning brush abuts against the inner wall of the water purification tank body;

[0006] A lead screw shaft is rotatably connected to the top end of the water purification tank body along its length direction. A nut slider is meshed and connected to the lead screw shaft. A gear is rotatably connected to one side of the nut slider. The outer ring of the gear is meshed and connected to an internal gear ring. A telescopic sleeve is connected to the side of the gear away from the nut slider. The telescopic sleeve is sleeved outside the lead screw shaft.

[0007] The cross-section of the sliding ring along its radial direction is U-shaped. The outer end of the U-shaped side on one side of the sliding ring abuts against the inner wall of the water purification tank body. An annular airbag is connected inside the U-shaped side on the other side of the sliding ring. The outer ring of the annular airbag is in an initial sealed state abutting against the inner wall of the water purification tank body. When the sliding ring is pushed by the nut slider to move horizontally, the annular airbag contracts inward on the side facing the sliding ring until the sliding ring stops after moving horizontally a preset distance. During the intermittent time when the sliding ring stops, the annular airbag resets to the sealed state, and drives the gear to rotate through the telescopic sleeve, so that the cleaning brush sweeps circumferentially along the inner wall of the water purification tank body.

[0008] Preferably, the gear is located on the side of the nut slider facing the water outlet end of the water purification tank body, and the annular airbag is located on the side of the sliding ring facing the water outlet end of the water purification tank body.

[0009] Preferably, after the nut slider pushes the sliding ring to move horizontally intermittently towards the water outlet end of the water purification tank body and completes a cleaning operation, the nut slider drives the sliding ring to move horizontally in the reverse direction to reset, so that the sliding ring slides to the initial position on the side of the water purification tank body away from its water outlet end.

[0010] Preferably, when the sliding ring is in the initial position, the nut slider abuts against the side of the water purification tank body away from its water outlet end.

[0011] Preferably, an annular scraping strip is provided at the outer end of the side of the sliding ring facing away from the water outlet end of the water purification tank body, and abuts against the inner wall of the water purification tank body through the annular scraping strip.

[0012] Preferably, an L-shaped connecting rod is connected to the bottom end of the nut slider. The bottom side of the L-shaped connecting rod passes through the sliding ring and is connected to a connecting frame. An elastic rope is connected along the inner circle of the annular airbag. An opening is provided on the outer side of the sliding ring. Both ends of the elastic rope pass through the opening of the sliding ring and are connected to the connecting frame. A radial rope is provided inside the annular airbag. One end of the radial rope is connected to the outer ring of the annular airbag, and the other end is connected to the elastic rope. A plurality of radial ropes are arranged at intervals along the inner circumference of the annular airbag. When the nut slider moves horizontally intermittently, the end of the elastic rope is pulled through the connecting frame, driving each radial rope to tightly pull the annular airbag inward, so that the annular airbag contracts inward on the side facing the sliding ring.

[0013] Preferably, a sealing bellows is connected between the opening and the connecting frame for sealing and sleeving the part of the elastic rope passing through the opening.

[0014] Preferably, one side of the nut slider is located outside the sliding ring and is connected with a telescopic rod. The movable end of the telescopic rod is connected to the outside of the sliding ring. When the movable end of the telescopic rod extends out, it pushes the sliding ring to move horizontally towards the connecting frame, so that the annular airbag is reset to the sealed state.

[0015] Preferably, a drain pipe is connected to the bottom end of the sliding ring, and one end of the drain pipe penetrates out of the clean water tank body.

[0016] The beneficial effects of the present invention: By designing the inner cavity of the clean water tank body in the shape of a horizontally placed cylinder, a circular sliding ring is attached to the inner cavity of the clean water tank body. During cleaning, the lead screw shaft rotates intermittently to drive the nut slider to move horizontally intermittently. When the nut slider pushes the sliding ring to move horizontally, the annular airbag contracts inward towards the side of the sliding ring, so that the outer end of the side of the sliding ring sweeps the inner wall of the clean water tank body, and the dirt swept remains in the sliding ring until the sliding ring stops after moving a preset distance. During the intermittent time when the sliding ring stops, the annular airbag is reset to the sealed state, and the telescopic sleeve drives the gear to rotate, so that the cleaning brush sweeps circumferentially around the inner wall of the clean water tank body, completing the comprehensive cleaning of the cavity wall of the clean water tank body. Compared with the conventional cleaning method of the pumping station purification water tank, there is no need to pause the water supply and empty the clean water, the operation is more convenient, it does not affect the continuous supply of the pumping station, and it is convenient for the comprehensive and efficient cleaning of the cavity wall of the purification water tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only those of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts.

[0018] Figure 1 It is the overall structure schematic diagram of the clean water tank body in the present invention;

[0019] Figure 2 It is the structure schematic diagram of the sliding ring in the initial position in the present invention;

[0020] Figure 3 It is the Figure 2 magnified schematic diagram of part A in the present invention;

[0021] Figure 4 It is the structure schematic diagram of the nut slider, gear and telescopic sleeve connected in sequence in the present invention;

[0022] Figure 5 It is the structure schematic diagram of the annular airbag in the initial sealed state in the present invention;

[0023] Figure 6 It is the structure schematic diagram of each radial rope of the annular airbag in the initial sealed state in the present invention;

[0024] Figure 7 Schematic diagram of the structure when the nut slider pushes the sliding ring to move horizontally in the present invention;

[0025] Figure 8 In the present invention Figure 7 Enlarged schematic diagram at position B in

[0026] Figure 9 Schematic diagram of the structure when the annular airbag in the present invention contracts inward on the side facing the sliding ring;

[0027] Figure 10 Schematic diagram of the structure during the intermittent time when the sliding ring stops moving horizontally in the present invention;

[0028] Figure 11 In the present invention Figure 10 Enlarged schematic diagram at position C in

[0029] Figure 12 Schematic diagram of the structure when the sliding ring moves horizontally intermittently in the present invention.

[0030] Marked in the figure as:

[0031] 100, clean water tank body; 101, water outlet end; 1, sliding ring; 2, internal gear ring; 3, brush seat; 4, cleaning brush; 5, lead screw shaft; 6, nut slider; 7, gear; 8, telescopic sleeve; 9, annular airbag; 10, annular scraping strip; 11, L-shaped connecting rod; 12, connecting frame; 13, elastic rope; 14, opening; 15, radial rope; 16, telescopic rod; 17, drain pipe. Detailed implementation manners

[0032] To make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below in conjunction with specific embodiments.

[0033] It should be noted that unless otherwise defined, the technical terms or scientific terms used in the present invention should have the ordinary meanings understood by those of ordinary skill in the field to which the present invention belongs. The "first", "second" and similar terms used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. The terms such as "including" or "comprising" mean that the elements or objects appearing before this word cover the elements or objects listed after this word and their equivalents, without excluding other elements or objects. The terms such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The terms such as "upper", "lower", "left", "right" are only used to represent relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0034] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 shown, a purification water tank for a pump station includes a purified water tank body 100. The water outlet end 101 of the purified water tank body 100 is connected to an emulsion tank through a liquid distributor. The inner cavity of the purified water tank body 100 is designed in the shape of a horizontally placed cylinder. A circular sliding ring 1 is attached to the inner cavity of the purified water tank body 100. The sliding ring 1 is designed with a hollow structure. An internal gear ring 2 is rotatably connected at the inner circle of the sliding ring 1. A brush holder 3 is connected to the outer circle of the internal gear ring 2 inside the sliding ring 1. A cleaning brush 4 is provided on the brush holder 3. The outer end of the cleaning brush 4 abuts against the inner wall of the purified water tank body 100. A lead screw shaft 5 is rotatably connected to the top of the purified water tank body 100 along its length direction. A nut slider 6 is engaged with the lead screw shaft 5. A gear 7 is rotatably connected to one side of the nut slider 6. The outer circle of the gear 7 is meshed with the internal gear ring 2. A telescopic sleeve 8 is connected to the side of the gear 7 away from the nut slider 6. The telescopic sleeve 8 is sleeved outside the lead screw shaft 5. The cross-section of the sliding ring 1 along its radial direction is in a U shape. The outer end of the U-shaped side on one side of the sliding ring 1 abuts against the inner wall of the purified water tank body 100. An annular airbag 9 is connected to the inner side of the U-shaped side on the other side of the sliding ring 1. The outer circle of the annular airbag 9 is in an initial sealed state abutting against the inner wall of the purified water tank body 100. When the sliding ring 1 is pushed to move horizontally by the nut slider 6, the annular airbag 9 contracts towards the inner side of the side of the sliding ring 1 until the sliding ring 1 stops after moving a preset distance. During the intermittent time when the sliding ring 1 stops, the annular airbag 9 resets to the sealed state, and drives the gear 7 to rotate through the telescopic sleeve 8, so that the cleaning brush 4 sweeps circumferentially along the inner wall of the purified water tank body 100.

[0035] The present invention is based on the existing conventional emulsion pump station. It includes a purified water tank body 100. The water outlet end 101 of the purified water tank body 100 is connected to an emulsion tank through a liquid distributor. Among them, the purified water tank body 100 is used to store the prepared liquid purified water. The liquid distributor is configured with a fixed oil-water ratio and supplies it to the emulsion tank. Particularly, the inner cavity of the purified water tank body 100 is designed in the shape of a horizontally placed cylinder. A circular sliding ring 1 is attached to the inner cavity of the purified water tank body 100. The sliding ring 1 is in the shape of a circular ring coaxial with the purified water tank body 100. At the same time, the sliding ring 1 is designed with a hollow structure. An internal gear ring 2 is rotatably connected at the inner circle of the sliding ring 1. Optionally, such as Figure 3As shown, on both sides of the internal gear ring 2, structures such as annular clamping blocks can also be provided. The cross-section of the annular clamping block is in a T-shape, which is conducive to stable clamping inside the sliding ring 1. Thus, the internal gear ring 2 can rotate coaxially stably along the inner ring of the sliding ring 1. Inside the sliding ring 1, a brush holder 3 is connected on the outer ring of the internal gear ring 2. A cleaning brush 4 is provided on the brush holder 3. Specifically, the cleaning brush 4 can adopt conventional structural designs such as bristles or brush plates. Preferably, the cleaning brush 4 is in a flattened design, and the flat plane direction is parallel to the inner radial direction of the sliding ring 1. The outer end of the cleaning brush 4 abuts against the inner wall of the clean water tank body 100;

[0036] As Figure 4 shown, at the top end inside the clean water tank body 100, a lead screw shaft 5 is rotatably connected along its length direction. A nut slider 6 is meshed and connected to the lead screw shaft 5. On one side of the nut slider 6, a gear 7 is rotatably connected. The outer ring of the gear 7 is meshed and connected to the internal gear ring 2. On the side of the gear 7 away from the nut slider 6, a telescopic sleeve 8 is connected. The telescopic sleeve 8 is sleeved outside the lead screw shaft 5. As Figure 2 、 Figure 3 shown, the cross-section of the sliding ring 1 along its radial direction is in a U-shape. The outer end of the U-shaped side on one side of the sliding ring 1 abuts against the inner wall of the clean water tank body 100. Inside the U-shaped side on the other side of the sliding ring 1, an annular airbag 9 is connected. As Figure 2 、 Figure 3 、 Figure 5 shown, the outer ring of the annular airbag 9 is in an initial sealed state abutting against the inner wall of the clean water tank body 100. Preferably, the gear 7 is located on the side of the nut slider 6 facing the water outlet end 101 of the clean water tank body 100. As Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 shown, the water outlet end 101 is located on the right side of the clean water tank body 100. The annular airbag 9 is located on the side of the sliding ring 1 facing the water outlet end 101 of the clean water tank body 100. The right end of the lead screw shaft 5 is rotatably connected to the inner wall of the clean water tank body 100. The left end of the lead screw shaft 5 passes through the clean water tank body 100. The right end of the telescopic sleeve 8 passes through the clean water tank body 100 and is respectively connected to existing conventional driving devices such as motors for driving the lead screw shaft 5 and the telescopic sleeve 8 to rotate respectively. The telescopic sleeve 8 can adopt existing conventional structures such as multi-section telescopic tubes. When not cleaned, as Figure 2 、 Figure 3 、 Figure 5 shown, the sliding ring 1 slides to the initial position on the side of the clean water tank body 100 away from its water outlet end 101. When cleaning, through the intermittent rotation of the lead screw shaft 5, the nut slider 6 is driven to intermittently translate towards the water outlet end 101 direction. Among them, when the sliding ring 1 is pushed by the nut slider 6 to translate, as Figure 7 、 Figure 8As shown, the annular airbag 9 contracts inwardly towards the side of the sliding ring 1, so that the outer end of the U-shaped side on the left side of the sliding ring 1 sweeps the inner wall of the water purification tank body 100. At the outer end of the U-shaped side on the right side of the sliding ring 1, there is a gap between the outer ring of the annular airbag 9 and the inner wall of the water purification tank body 100, so that the dirt swept remains in the sliding ring 1 until the sliding ring 1 stops after moving horizontally a preset distance. During the intermittent time when the sliding ring 1 stops, as Figure 10 , Figure 11 shown, the annular airbag 9 resets to the sealed state. At this time, the telescopic sleeve 8 drives the gear 7 to rotate, so that the cleaning brush 4 sweeps circumferentially along the inner wall of the water purification tank body 100. And because the annular airbag 9 seals the sliding ring 1, the dirt swept inside the sliding ring 1 will not leak into the water purification tank body 100. Optionally, a sewage discharge hole and a sewage discharge valve can be provided on one side of the bottom end of the sliding ring 1. Then the precipitated dirt swept can leak from the sewage discharge hole to the bottom end inside the water purification tank body 100, and then be discharged from the sewage outlet and the suction pump on one side of the bottom end of the water purification tank body 100, so as to avoid affecting the water quality in the water purification tank body 100 and the water supply at the water outlet end 101 located in the middle layer of the purified water. Thus, the nut slider 6 pushes the sliding ring 1 to intermittently move horizontally towards the water outlet end 101 side of the water purification tank body 100, as Figure 12 shown, to complete the comprehensive cleaning of the cavity wall of the water purification tank body 100. After completing one cleaning operation, the nut slider 6 drives the sliding ring 1 to move horizontally in the reverse direction to reset, so that the sliding ring 1 slides to the initial position on the side of the water purification tank body 100 far from its water outlet end 101. Compared with the conventional cleaning method of the pumping station purification water tank, there is no need to suspend water supply and empty the purified water, and the operation and use are more convenient, without affecting the continuous supply of the pumping station. On the other hand, through the intermittent horizontal movement of the sliding ring 1, and when the sliding ring 1 is in the horizontal sweeping state, the annular airbag 9 is in the contracted state, which is convenient for the dirt swept to remain in the sliding ring 1. When the sliding ring 1 stops intermittently, the annular airbag 9 is in the sealed state, which is convenient for the circumferential cleaning of the cleaning brush 4 inside the sliding ring 1, completing the comprehensive and efficient cleaning of the cavity wall of the purification water tank.

[0037] In the embodiment of the present invention, optionally, as Figure 2 , Figure 3 , Figure 4 shown, when the sliding ring 1 is in the initial position, the nut slider 6 abuts against the side of the water purification tank body 100 far from its water outlet end 101. At this time, the telescopic sleeve 8 completely sleeved on the lead screw shaft 5, and the lead screw shaft 5 is in a completely hidden state, which is beneficial to further improving the stable use and service life of the transmission components in the high humidity environment. And the water level in the water purification tank body 100 is lower than the components such as the lead screw shaft 5, the nut slider 6, the gear 7, and the telescopic sleeve 8, and the mutual influence is not significant.

[0038] In the embodiment of the present invention, optionally, as Figure 2 , Figure 3 , Figure 4As shown, on the outer end of one side of the sliding ring 1 facing away from the water outlet end 101 of the water purification tank body 100, an annular scraping strip 10 is provided, and it abuts against the inner wall of the water purification tank body 100 through the annular scraping strip 10, achieving a better effect of scraping off dirt.

[0039] In an embodiment of the present invention, optionally, as Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 As shown, an L-shaped connecting rod 11 is connected to the bottom end of the nut slider 6. The bottom side of the L-shaped connecting rod 11 passes through the sliding ring 1, that is, one end of the bottom side of the L-shaped connecting rod 11 extends outside the sliding ring 1 and is connected to a connecting frame 12. More preferably, two groups of the L-shaped connecting rod 11 and the connecting frame 12 are symmetrically arranged, and the connecting frame 12 avoids the gear 7 and the telescopic sleeve 8. At the same time, an elastic rope 13 is connected along the inner circle of the annular airbag 9. An opening 14 is provided on the outer side of the sliding ring 1. Specifically, an annular groove for embedding the annular airbag 9 is provided in the U-shaped side on the other side of the sliding ring 1. The elastic rope 13 is circumferentially wound along the inner circle of the annular airbag 9, that is, it abuts against the inner bottom end of the annular groove and surrounds it. The two ends of the elastic rope 13 intersect, pass through the annular airbag 9, and then pass through the sliding ring 1 along the opening 14 and are connected to the top end of the connecting frame 12. A radial rope 15 is provided in the annular airbag 9, and the radial ropes 15 are arranged at intervals along the inner circumference of the annular airbag 9. When the annular airbag 9 is in an initial sealed state, as Figure 5 , Figure 6 As shown, the length directions of the respective radial ropes 15 are parallel to the radial direction inside the annular airbag 9. One end of the radial rope 15 is connected to the outer ring of the annular airbag 9, and the other end is connected to the elastic rope 13. When the nut slider 6 intermittently moves horizontally, the nut slider 6 and the sliding ring 1 change from a stationary state to a horizontal movement state. Since the static friction force between the sliding ring 1, the annular scraping strip 10 and the inner wall of the water purification tank body 100 is greater than the dynamic friction force, when the nut slider 6 starts to slide, as Figure 7 , Figure 8 , Figure 9 As shown, the end of the elastic rope 13 is pulled by the connecting frame 12, driving each radial rope 15 to tightly pull the annular airbag 9 inward, so that the side of the annular airbag 9 facing the sliding ring 1 contracts inward. Considering that the preset distance of each horizontal movement of the sliding ring 1 is very short, the annular airbag 9 basically remains in a contracted state during the horizontal movement until the nut slider 6 stops moving horizontally. Relying on the inertia of the sliding ring 1 itself and the elastic restoring force of the elastic rope 13 and the annular airbag 9, the sliding ring 1 continues to move horizontally a short distance towards the connecting frame 12, as Figure 10 , Figure 11 As shown, the horizontal movement of the preset distance is completed. At this time, the elastic rope 13 retracts into the annular airbag 9 to reset, and the annular airbag 9 resets to the sealed state.

[0040] In an embodiment of the present invention, optionally, a sealing bellows is connected between the opening 14 and the connecting frame 12 for sealing and sleeving the part of the elastic rope 13 passing through the opening 14. At the same time, the hole on the annular airbag 9 for the elastic rope 13 to pass through is hermetically connected to the opening 14, so as to maintain the seal inside the annular airbag 9. Additionally, optionally, an air pipe can also be externally connected to the annular airbag 9, and one end of the air pipe passing through the outside of the water purification tank body 100 can be connected to an existing conventional device such as an air pump to assist in supplementing air or inflating to assist the annular airbag 9 to reset.

[0041] In an embodiment of the present invention, optionally, as Figure 2 , Figure 3 shown, one side of the nut slider 6 is located outside the sliding ring 1 and is connected to a telescopic rod 16. The telescopic rod 16 can adopt existing conventional components such as an electric telescopic cylinder. The movable end of the telescopic rod 16 is connected to the outside of the sliding ring 1. Thus, when the nut slider 6 starts to slide, as Figure 7 , Figure 8 , Figure 9 shown, by pulling the end of the elastic rope 13 through the connecting frame 12, the movable end of the telescopic rod 16 is in a freely contractible state and abuts against the outside of the sliding ring 1 to prevent the elastic rope 13 from being overstretched and damaged. Until the nut slider 6 stops moving horizontally, the sliding ring 1 continues to move horizontally a small distance towards the connecting frame 12, as Figure 10 , Figure 11 shown, to complete the horizontal movement of the preset distance. At this time, by detecting whether the movable end of the telescopic rod 16 extends in place, if it has extended in place, no action is required. If it has not extended in place, the movable end of the telescopic rod 16 can still extend to assist in pushing the sliding ring 1 to move horizontally towards the connecting frame 12 so that the annular airbag 9 is reset to the sealed state. At this time, the cleaning brush 4 is driven to rotate around the inner wall of the water purification tank body 100 through the telescopic sleeve 8 for circumferential cleaning.

[0042] After completing a cleaning operation, the nut slider 6 moves horizontally in the reverse direction, and the sliding ring 1 can also be pushed by the connecting frame 12 and pulled by the telescopic rod 16 to move horizontally in the reverse direction to reset.

[0043] Optionally, a convex block can also be connected to the outer circle of the sliding ring 1, and a chute for the convex block to be clamped and slide is correspondingly opened on the inner wall of the water purification tank body 100, so as to further facilitate the stable horizontal movement of the sliding ring 1. More preferably, the convex block is located above the sliding ring 1, that is, above the water level, to avoid interfering with the water supply.

[0044] In an embodiment of the present invention, optionally, as Figure 2 , Figure 3 , Figure 12As shown, a drain pipe 17 can also be connected to the bottom end of the sliding ring 1. The drain pipe 17 is designed as a flexible hose, and one end extends out of the clean water tank body 100. Thus, when the cleaning brush 4 is cleaning, the dirt inside the sliding ring 1 can be promptly sucked away through the drain pipe 17, avoiding affecting the water quality in the clean water tank body 100. Only clean water needs to be replenished. Even if the seals of the sliding ring 1 and the annular airbag 9 do not meet very high requirements, the dirt swept down inside the sliding ring 1 can still be promptly drained away by the drain pipe 17, having little impact on the water supply in the clean water tank body 100.

[0045] The present invention also provides a cleaning method for a pumping station purification water tank, including the following steps:

[0046] When not cleaned, as Figure 2 、 Figure 3 、 Figure 5 shown, the sliding ring 1 slides to the initial position on the side of the clean water tank body 100 far from its water outlet end 101. When cleaning, through the intermittent rotation of the lead screw shaft 5, the nut slider 6 is driven to intermittently traverse towards the water outlet end 101. Among them, when the sliding ring 1 is pushed to traverse by the nut slider 6, as Figure 7 、 Figure 8 shown, the annular airbag 9 contracts inward towards the side of the sliding ring 1, so that the outer end of the U-shaped side on the left side of the sliding ring 1 sweeps the inner wall of the clean water tank body 100. At the outer end of the U-shaped side on the right side of the sliding ring 1, there is a gap between the outer ring of the annular airbag 9 and the inner wall of the clean water tank body 100, so that the dirt swept remains inside the sliding ring 1 until the sliding ring 1 stops after traversing a preset distance. During the intermittent time when the sliding ring 1 stops, as Figure 10 、 Figure 11 shown, the annular airbag 9 resets to the sealed state. At this time, the telescopic sleeve 8 drives the gear 7 to rotate, so that the cleaning brush 4 circumferentially sweeps the inner wall of the clean water tank body 100. After completing one cleaning operation, the nut slider 6 drives the sliding ring 1 to traverse in the reverse direction and reset, so that the sliding ring 1 slides to the initial position on the side of the clean water tank body 100 far from its water outlet end 101.

[0047] Those of ordinary skill in the art should understand that the discussion of any above embodiments is only exemplary and is not intended to imply that the scope of the present invention is limited to these examples; under the idea of the present invention, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations in different aspects of the present invention as described above, which are not provided in detail for the sake of brevity.

Claims

1. A pump station purified water tank, comprising a purified water tank body (100), wherein a water outlet (101) of the purified water tank body (100) is connected to an emulsion tank via a liquid distributor, and characterized in that: The inner cavity of the water purification box (100) is designed in the shape of a horizontal cylinder. A circular sliding ring (1) is attached to the inner cavity of the water purification box (100). The sliding ring (1) is designed in a hollow structure. The inner ring of the sliding ring (1) is rotatably connected to an inner gear ring (2). A brush holder (3) is connected to the outer ring of the inner gear ring (2) in the sliding ring (1). A cleaning brush (4) is provided on the brush holder (3). The outer end of the cleaning brush (4) abuts against the inner wall of the water purification box (100). The top end of the water purification tank (100) is rotatably connected to a screw shaft (5) along its length direction, a nut slide seat (6) is meshingly connected to the screw shaft (5), a gear (7) is rotatably connected to one side of the nut slide seat (6), the outer ring of the gear (7) is meshingly connected to the inner gear ring (2), a telescopic sleeve (8) is connected to the side of the gear (7) away from the nut slide seat (6), and the telescopic sleeve (8) is sleeved on the outside of the screw shaft (5); The sliding ring (1) is in a U-shaped cross-section along its radial direction. The outer end of the U-shaped side edge on one side of the sliding ring (1) abuts against the inner wall of the clean water tank (100). The U-shaped side edge on the other side of the sliding ring (1) is connected to an annular airbag (9). The outer ring of the annular airbag (9) is in an initial sealing state abutting against the inner wall of the clean water tank (100). When the sliding ring (1) is pushed to move horizontally by the nut slide seat (6), the annular airbag (9) shrinks toward the inner side edge of the sliding ring (1) until the sliding ring (1) stops after moving horizontally for a preset distance. During the interval time when the sliding ring (1) stops, the annular airbag (9) is reset to a sealing state and drives the gear (7) to rotate through the telescopic sleeve (8), so that the cleaning brush (4) cleans the inner wall of the clean water tank (100) in a circumferential direction.

2. A pump station purified water tank according to claim 1, characterized in that: The gear (7) is located on the side of the nut slide (6) facing the water outlet end (101) of the water purification tank (100), and the annular air bag (9) is located on the side of the sliding ring (1) facing the water outlet end (101) of the water purification tank (100).

3. A pump station purified water tank according to claim 1, characterized in that: The nut slide (6) pushes the sliding ring (1) to intermittently move laterally toward the water outlet end (101) of the clean water tank (100), and after completing a cleaning operation, the nut slide (6) drives the sliding ring (1) to move laterally in the opposite direction to reset, so that the sliding ring (1) slides to an initial position in the clean water tank (100) away from the water outlet end (101) thereof.

4. A pump station purified water tank according to claim 3, characterized in that: When the sliding ring (1) is in the initial position, the nut sliding seat (6) abuts against a side of the clean water tank (100) away from the water outlet end (101) thereof.

5. A pump station purified water tank according to claim 1, characterized in that: An annular scraper (10) is provided at the outer end of the sliding ring (1) on one side facing away from the water outlet end (101) of the water purification tank (100), and is in contact with the inner wall of the water purification tank (100) through the annular scraper (10).

6. A pump station purified water tank according to claim 1, characterized in that: The bottom end of the nut slide seat (6) is connected to an L-shaped connecting rod (11), the bottom edge of the L-shaped connecting rod (11) passes through the sliding ring (1) and is connected to a connecting frame (12), an elastic rope (13) is connected along the inner circle of the annular airbag (9), an opening (14) is provided on the outer side of the sliding ring (1), both ends of the elastic rope (13) pass through the sliding ring (1) along the opening (14) and are connected to the connecting frame (12), and a radially extending elastic rope (13) is provided inside the annular airbag (9). A rope (15), one end of the radial rope (15) is connected to the outer ring of the annular airbag (9), and the other end is connected to the elastic rope (13). A plurality of radial ropes (15) are arranged at intervals along the inner circumference of the annular airbag (9). When the nut slide seat (6) moves transversely intermittently, the end of the elastic rope (13) is pulled by the connecting frame (12), driving each radial rope (15) to tighten the annular airbag (9) inwardly, so that the annular airbag (9) shrinks toward the side of the sliding ring (1).

7. A pump station purified water tank according to claim 6, characterized in that: A sealing bellows is connected between the opening (14) and the connecting frame (12) and is used to seal the portion of the elastic rope (13) passing through the opening (14).

8. A pump station purified water tank according to claim 6, characterized in that: One side of the nut slide seat (6) is located outside the sliding ring (1) and is connected to a telescopic rod (16). The movable end of the telescopic rod (16) is connected to the outside of the sliding ring (1). The movable end of the telescopic rod (16) is extended to push the sliding ring (1) to move horizontally toward the connecting frame (12), so that the annular airbag (9) is reset to a sealed state.

9. A pump station purified water tank according to claim 1, characterized in that: The bottom end of the sliding ring (1) is connected to a drainage pipe (17), and one end of the drainage pipe (17) passes through the outside of the clean water tank (100).

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