Self-adapting cleaning system for inner diameter of chemical tank

Abstract

A kind of self-adapting cleaning system of chemical tank inner diameter, comprising: moving frame, main rod, cleaning device moving mechanism is fixedly connected on moving frame, main rod is movably connected on cleaning device moving mechanism 2, main rod is slidably connected with side wall cleaning device, and bottom is rotatably connected with bottom cleaning device by bearing, and side wall cleaning device is fixedly connected with liquid spraying device;Moving frame is used to lift the whole device according to the height of different tank, to ensure that main rod can be inserted into the inside of tank;Cleaning device moving mechanism is used to control the up and down movement of main rod, so that bottom cleaning device contacts chemical tank bottom, bottom cleaning device cleans the bottom of tank, and side wall cleaning device is used to clean the side wall of tank;Liquid spraying device can spray cleaning agent and water in tank, and is also used to flush the upper end of tank;Because the precipitate or adherend in chemical tank is generally adhered to the side wall and bottom of tank, so only the upper part of tank needs to be flushed.

Description

Technical Field

[0001] This invention relates to the field of chemical tank cleaning, and more particularly to a self-adaptive cleaning system for the inner diameter of a chemical tank. Technical Background

[0002] Storage tanks are essential and important infrastructure in industries such as petroleum, chemical, grain and oil, food, fire protection, transportation, metallurgy, and national defense. Among them, chemical storage tanks are used to store refined chemicals such as acids, alkalis, alcohols, gases, and liquids. The tank body is made of appropriate materials according to the different chemicals being stored to avoid contamination of the chemicals or damage to the storage tank. Moreover, chemical storage tanks need to be cleaned in a timely manner after use to remove any residual chemicals before filling with new chemicals, so as to prevent the residual chemicals from contaminating the new chemicals.

[0003] Currently, the following problems exist when cleaning the inside of chemical tanks: ① Manual cleaning is extremely dangerous, as personnel entering the tank will inhale chemical gases, posing a health hazard; ② Existing cleaning equipment does not simultaneously clean the side walls and bottom, and after washing with water or cleaning solution, another device is needed to suck the liquid out of the tank; ③ Chemical tanks vary in inner diameter, even within the same batch, and existing cleaning equipment cannot perfectly fit the inner diameter of the chemical tank. Summary of the Invention

[0004] This invention proposes a self-adaptive cleaning system for the inner diameter of chemical tanks, which solves the aforementioned problems.

[0005] The technical solution used in this invention is: a self-adaptive cleaning system for the inner diameter of a chemical tank, comprising: a movable frame and a main rod, wherein a cleaning device moving mechanism is fixedly connected to the movable frame, the main rod is movably connected to the cleaning device moving mechanism, a side wall cleaning device is slidably connected to the main rod, and a bottom cleaning device is rotatably connected to the bottom, and a spraying device is fixedly connected to the side wall cleaning device.

[0006] Further, the sidewall cleaning device includes: a movable frame; a plurality of sliding grooves are provided on the main rod, and a rack is provided on the sliding groove; a sidewall moving motor is fixedly connected inside the movable frame, and the number of the sidewall moving motors is equal to the number of sliding grooves; a sidewall moving gear is fixedly installed on the output shaft of each sidewall moving motor, and the sidewall moving gear is respectively meshed with the rack on the corresponding sliding groove; a rotating internal gear ring is rotatably connected to the movable frame; a plurality of sidewall rotating motors are fixedly installed inside the movable frame, and a sidewall rotating gear is fixedly installed on the output shaft of each sidewall rotating motor; the movable frame has clearances equal to the number of sidewall rotating motors; each sidewall rotating gear is meshed with the rotating internal gear ring through the corresponding clearance; and any number of sidewall brushing devices are rotatably connected to the rotating internal gear ring.

[0007] Furthermore, the sidewall scrubbing device includes: a first rotating rod and a second rotating rod, one end of the first rotating rod being rotatably connected to the rotating internal gear ring; one end of the second rotating rod being rotatably connected to the other end of the first rotating rod, and the rotation direction being perpendicular to the rotation direction of the first rotating rod on the rotating internal gear ring; and a sidewall brush plate being rotatably connected to the other end of the second rotating rod.

[0008] Furthermore, the bottom cleaning device includes: a bottom rotating motor and a bottom brush plate device. The bottom rotating motor is fixedly installed at the bottom end of the main rod, and a small gear is fixedly installed on the output shaft of the bottom rotating motor. The bottom brush plate device is rotatably connected to the bottom end of the main rod, and an external gear ring is fixedly installed at the upper end of the bottom brush plate device. The small gear meshes with the external gear ring.

[0009] Furthermore, the bottom brush plate device includes: a bottom brush plate mounting frame, which is rotatably connected to the bottom end of the main rod, and the external gear ring is fixedly mounted on the upper end of the bottom brush plate mounting frame; a telescopic motor is fixedly mounted inside the bottom brush plate mounting frame, and a gear is fixedly mounted on the output shaft of the telescopic motor; a bottom brush plate is slidably mounted on the bottom brush plate mounting frame, and a rack is provided on the bottom brush plate; the gear is meshed with the bottom brush plate through the rack.

[0010] Furthermore, the spraying device includes: a fixed base and a high-pressure nozzle. A drive motor is fixedly installed inside the fixed base. A rotating rod is fixedly connected to the output shaft of the drive motor and is rotatably connected to the fixed base. A connecting block is rotatably connected to the rotating rod, and a rotary drive motor is also fixedly installed on the rotating rod. The output shaft of the rotary drive motor is fixedly connected to the connecting block. The high-pressure nozzle is fixedly installed on the connecting block.

[0011] Furthermore, the main rod is provided with threads; the cleaning device moving mechanism includes: a mounting shell, the mounting shell having protrusions equal in number to the sliding grooves, and slidably connected to the main rod via the protrusions and the sliding grooves; the moving drive motor is fixedly mounted on the mounting shell, and a moving drive gear is fixedly mounted on the output shaft of the moving drive motor; a moving external gear ring is rotatably mounted inside the mounting shell, the moving external gear ring having threads inside, and meshing with the main rod via the threads; the moving drive gear meshes with the moving external gear ring.

[0012] Furthermore, a temporary storage box is rotatably connected to the main rod; a water pump is fixedly installed on the temporary storage box; a connection port is provided on the bottom brush plate, and a suction port is opened on the bottom surface; the bottom brush plate is connected to the water pump inlet through a connecting pipe, and the water pump outlet is connected to the inside of the temporary storage box.

[0013] Furthermore, the movable frame includes: a base, a movable rod slidably connected inside the base, one end of the movable rod being fixedly connected to the mounting shell; and a hydraulic cylinder fixedly connected inside the base, the output end of the hydraulic cylinder being fixedly connected to the other end of the movable rod.

[0014] Because the present invention adopts the above-described technical solution, the present invention has the following advantages:

[0015] (1) The present invention uses a side wall cleaning device, a bottom cleaning device and a spraying device to clean the inner wall of tanks of different diameters and automatically adapts to the inner wall of tanks of different diameters to achieve a good cleaning effect.

[0016] (2) The present invention uses a bottom brush plate to clean the bottom of the inner wall of the chemical tank and absorbs the liquid in the tank, making the tank cleaner and preventing residual liquid mixture from being left in the tank, thus eliminating the need for subsequent processing.

[0017] (3) The side wall cleaning device of the present invention uses centrifugal force to make the side wall brushing device brush the inner side wall of the tank. Compared with other variable diameter cleaning devices, this solution has a better cleaning effect and the brushing device can adapt well to the inner diameter of the tank. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 This is a partial structural diagram of the present invention.

[0020] Figure 3 This is a schematic diagram showing the positional relationship of the sidewall cleaning device of the present invention.

[0021] Figure 4This is a schematic diagram of the internal structure of the sidewall cleaning device of the present invention.

[0022] Figure 5 This is a cross-sectional schematic diagram of the sidewall cleaning device of the present invention.

[0023] Figure 6 This is a schematic diagram of the mobile frame structure of the present invention.

[0024] Figure 7 This is a schematic diagram showing the connection relationship between the main rod and the moving gear on the side wall of the present invention.

[0025] Figure 8 For the present invention Figure 7 Enlarged schematic diagram of the structure at point A in the middle.

[0026] Figure 9 This is a schematic diagram of the sidewall scrubbing device of the present invention.

[0027] Figure 10 This is a cross-sectional schematic diagram of the bottom cleaning mechanism of the present invention.

[0028] Figure 11 This is a schematic diagram of the internal structure of the bottom cleaning device of the present invention.

[0029] Figure 12 This is a schematic diagram of the internal structure of the bottom brush plate device of the present invention.

[0030] Figure 13 This is a schematic diagram of the connection relationship of the connecting pipes in this invention.

[0031] Figure 14 This is a schematic diagram of the overall structure of the liquid spraying device of the present invention.

[0032] Figure 15 This is a cross-sectional schematic diagram of a portion of the liquid spraying device of the present invention.

[0033] Figure 16 This is a schematic diagram of the overall structure of the moving structure of the cleaning device of the present invention.

[0034] Figure 17 This is a cross-sectional schematic diagram of the cleaning mobile device of the present invention.

[0035] Figure 18 This is a schematic diagram of part of the cleaning mobile device of the present invention.

[0036] Figure 19 This is a schematic cross-sectional view of the cleaning mobile device of the present invention.

[0037] Figure 20 This is a schematic cross-sectional view of the mobile frame of the present invention.

[0038] Reference numerals: 1-Moving frame; 2-Moving structure of cleaning device; 3-Side wall cleaning device; 4-Spraying device; 5-Bottom cleaning device; 6-Main rod; 11-Base; 12-Hydraulic cylinder; 13-Moving rod; 21-Mounting shell; 22-Moving drive motor; 23-Moving drive gear; 24-Moving outer ring gear; 31-Moving frame; 32-Rotating inner ring gear; 33-Side wall rotating motor; 34-Side wall rotating gear; 35-Side wall moving gear; 36- 37-Side wall moving motor; 38-Second rotating rod; 39-First rotating rod; 41-High pressure nozzle; 42-Fixed base; 43-Drive motor; 44-Rotating rod; 45-Rotating drive motor; 46-Connecting block; 51-Bottom rotating motor; 52-Pin gear; 53-Outer ring gear; 55-Telescopic motor; 56-Gear; 57-Bottom brush plate; 58-Bottom brush plate mounting bracket; 59-Connecting pipe; 510-Temporary storage box; 511-Water pump. Detailed Implementation

[0039] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.

[0040] Examples, such as Figure 1-2 As shown, a self-adaptive cleaning system for the inner diameter of a chemical tank includes: a movable frame 1 and a main rod 6. A cleaning device moving mechanism 2 is fixedly connected to the movable frame 1. The main rod 6 is movably connected to the cleaning device moving mechanism 2. A side wall cleaning device 3 is slidably connected to the main rod 6, and a bottom cleaning device 5 is rotatably connected to the bottom via a bearing. A spraying device 4 is fixedly connected to the side wall cleaning device 3. The movable frame 1 is used to raise and lower the entire device according to the height of different tanks, ensuring that the main rod 6 can extend into the tank. The cleaning device moving mechanism 2 is used to control the main rod 6 to move up and down, so that the bottom cleaning device 5 contacts the bottom of the chemical tank and cleans the bottom of the tank. The side wall cleaning device 5 is used to clean the side walls of the tank. The spraying device 4 can spray cleaning agent and water into the tank and is also used to rinse the top of the tank. Since the sediment or deposits in the chemical tank are generally only attached to the side walls and bottom of the tank, it is only necessary to rinse the top of the tank.

[0041] Specifically, such as Figure 3-8As shown, the sidewall cleaning device 3 includes: a movable frame 31; three slide grooves are provided on the main rod 6, and racks are provided on the slide grooves; a sidewall moving motor 36 is fixedly connected inside the movable frame 31, and the number of sidewall moving motors 36 is equal to the number of slide grooves; a sidewall moving gear 35 is fixedly installed on the output shaft of each sidewall moving motor 36, and the sidewall moving gear 35 is respectively meshed with the rack on the corresponding slide groove; a rotating internal gear ring 32 is rotatably connected to the movable frame 31 through a bearing; three sidewall rotating motors 33 are fixedly installed inside the movable frame 31, and a sidewall moving gear ring 32 is fixedly installed on the output shaft of each sidewall rotating motor 33. The side wall rotating gear 34; the moving frame 31 has clearances equal in number to the side wall rotating motor 33; each side wall rotating gear 34 is meshed with the rotating internal gear ring 32 through the corresponding clearance; three side wall brushing devices are rotatably connected to the rotating internal gear ring 32; when the side wall moving motor 36 rotates, the entire side wall cleaning device 3 moves up and down along the main rod 6 through the side wall moving gear 35; at the same time, through the operation of the side wall rotating motor 33, the rotating internal gear ring 32 rotates, and due to centrifugal force, the side wall brushing device contacts the side wall and applies pressure to the side wall to clean it.

[0042] Specifically, such as Figure 9 As shown, the sidewall scrubbing device includes: a first rotating rod 39 and a second rotating rod 38. One end of the first rotating rod 39 is rotatably connected to the rotating internal gear ring 32; one end of the second rotating rod 38 is rotatably connected to the other end of the first rotating rod 39, and the rotation direction is perpendicular to the rotation direction of the first rotating rod 39 relative to the rotation direction of the rotating internal gear ring 32; the other end of the second rotating rod 38 is rotatably connected to a sidewall brush plate 37; the first rotating rod 39 rotates up and down, and when the rotating internal gear ring 32 is not rotating, the sidewall scrubbing device can hang down, saving space and making it easier to clean the inside of the tank; the rotation direction of the second rotating rod 38 is perpendicular to the rotation direction of the first rotating rod 39, and when the rotating internal gear ring 38 rotates, the sidewall brush plate 37 can better fit the sidewall.

[0043] Specifically, such as Figure 10-11 As shown, the bottom cleaning device 5 includes: a bottom rotary motor 51 and a bottom brush plate device. The bottom rotary motor 51 is fixedly installed at the bottom end of the main rod 6, and a small gear 52 is fixedly installed on the output shaft of the bottom rotary motor 51. The bottom brush plate device is rotatably connected to the bottom end of the main rod 6, and an external gear ring 53 is fixedly installed at the upper end of the bottom brush plate device. The small gear 52 and the external gear ring 53 are engaged and connected. When the bottom rotary motor 51 is started, the bottom brush plate device is rotated through the small gear 52 and the external gear ring 53 to clean the bottom of the tank.

[0044] Specifically, such as Figure 12As shown, the bottom brush plate device includes: a bottom brush plate mounting frame 58, which is rotatably connected to the bottom end of the main rod 6, and an outer gear ring 53 is fixedly installed on the upper end of the bottom brush plate mounting frame 58; a telescopic motor 55 is fixedly installed inside the bottom brush plate mounting frame 58, and a gear 56 is fixedly installed on the output shaft of the telescopic motor 55; two bottom brush plates 57 are slidably installed on the bottom brush plate mounting frame 58, and a rack is provided on the bottom brush plate 57; the gear 56 is meshed with the bottom brush plate 57 through the rack; when the telescopic motor 55 is started, the two bottom brush plates 57 move outward or inward at the same time. In this way, the bottom of tanks with different inner diameters can be cleaned. At the same time, while the bottom brush plate device rotates, the two bottom brush plates 57 move back and forth to enhance the cleaning effect.

[0045] Specifically, such as Figure 14-15 As shown, the spraying device 4 includes: a fixed base 42 and a high-pressure nozzle 41. A drive motor 43 is fixedly installed inside the fixed base 42. A rotating rod 44 is fixedly connected to the output shaft of the drive motor 43 and is rotatably connected to the fixed base 42. A connecting block 46 is rotatably connected to the rotating rod 44, and a rotary drive motor 45 is also fixedly installed on the rotating rod 44. The output shaft of the rotary drive motor 45 is fixedly connected to the connecting block 46. The high-pressure nozzle 41 is fixedly installed on the connecting block 46. The high-pressure nozzle 41 rotates up and down through the rotary drive motor 45 and rotates left and right through the drive motor 43, so that the high-pressure nozzle 41 can rotate up, down, left, and right to spray cleaning agent and water onto the inner wall of the tank.

[0046] Specifically, such as Figure 16-19 As shown, the main rod 6 is threaded; the cleaning device moving mechanism 2 includes: a mounting shell 21, which has protrusions equal in number to the sliding grooves, and is slidably connected to the main rod 6 via the protrusions and the sliding grooves; a moving drive motor 22 is fixedly mounted on the mounting shell 21, and a moving drive gear 23 is fixedly mounted on the output shaft of the moving drive motor 22; a moving external gear ring 24 is rotatably mounted inside the mounting shell 21, which is threaded and meshes with the main rod 6 via the threads; the moving drive gear 23 meshes with the moving external gear ring 24; the main rod 6 is raised or lowered by the operation of the moving drive motor 22; the moving external gear ring 24 is rotatably mounted inside the mounting shell 21 via bearings.

[0047] Specifically, such as Figure 13 As shown, a temporary storage box 510 is rotatably connected to the main rod 6; a water pump 511 is fixedly installed on the temporary storage box 510, and a connection port is provided on the bottom brush plate 57, with a suction port on the bottom surface; the bottom brush plate 57 is connected to the water inlet of the water pump 511 through a connecting pipe 59, and the water outlet of the water pump 511 is connected to the inside of the temporary storage box 510; the water pump draws the sewage in the tank into the temporary storage box 510 through the suction port at the bottom end of the bottom brush plate 57.

[0048] Specifically, such as Figure 20 As shown, the mobile frame 1 includes: a base 11, a moving rod 13 slidably connected inside the base 11, one end of the moving rod 13 being fixedly connected to the mounting shell 21; a hydraulic cylinder 12 being fixedly connected inside the base 11, the output end of the hydraulic cylinder 12 being fixedly connected to the other end of the moving rod 13; through the operation of the hydraulic cylinder 12, the cleaning device moving mechanism 2 is made to move up and down to adapt to chemical tanks of different heights.

[0049] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the present invention. Various changes and modifications can be made to the present invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A self-adaptive cleaning system for the inner diameter of a chemical tank, comprising: A mobile frame (1) and a main rod (6) are provided. A cleaning device moving mechanism (2) is fixedly connected to the mobile frame (1). The main rod (6) is movably connected to the cleaning device moving mechanism (2). The main rod (6) is characterized in that a side wall cleaning device (3) is slidably connected to the main rod (6), and a bottom cleaning device (5) is rotatably connected to the bottom. A spraying device (4) is fixedly connected to the side wall cleaning device (3). The sidewall cleaning device (3) includes: a movable frame (31); a plurality of sliding grooves are provided on the main rod (6), and a rack is provided on the sliding groove; a sidewall moving motor (36) is fixedly connected inside the movable frame (31), and the number of the sidewall moving motors (36) is equal to the number of sliding grooves; a sidewall moving gear (35) is fixedly installed on the output shaft of each sidewall moving motor (36), and the sidewall moving gear (35) meshes with the rack on the corresponding sliding groove; a rotating mechanism is rotatably connected to the movable frame (31). Rotating internal gear ring (32); several side wall rotating motors (33) are fixedly installed inside the moving frame (31), and a side wall rotating gear (34) is fixedly installed on the output shaft of each side wall rotating motor (33); the moving frame (31) has clearances equal in number to the side wall rotating motors (33); each side wall rotating gear (34) is meshed with the rotating internal gear ring (32) through the corresponding clearance; any number of side wall brushing devices are rotatably connected to the rotating internal gear ring (32).

2. The self-adaptive cleaning system for the inner diameter of a chemical tank according to claim 1, characterized in that, The sidewall brushing device includes: a first rotating rod (39) and a second rotating rod (38). One end of the first rotating rod (39) is rotatably connected to the rotating internal gear ring (32); one end of the second rotating rod (38) is rotatably connected to the other end of the first rotating rod (39), and the rotation direction is perpendicular to the rotation direction of the first rotating rod (39) relative to the rotating internal gear ring (32); the other end of the second rotating rod (38) is rotatably connected to a sidewall brush plate (37).

3. The self-adaptive cleaning system for the inner diameter of a chemical tank according to claim 1, characterized in that, The bottom cleaning device (5) includes: a bottom rotating motor (51) and a bottom brush plate device. The bottom rotating motor (51) is fixedly installed at the bottom end of the main rod (6), and a small gear (52) is fixedly installed on the output shaft of the bottom rotating motor (51). The bottom brush plate device is rotatably connected to the bottom end of the main rod (6), and an external gear ring (53) is fixedly installed on the upper end of the bottom brush plate device. The small gear (52) meshes with the external gear ring (53).

4. The self-adaptive cleaning system for the inner diameter of a chemical tank according to claim 3, characterized in that, The bottom brush plate device includes: a bottom brush plate mounting frame (58), which is rotatably connected to the bottom end of the main rod (6), and the external gear ring (53) is fixedly installed on the upper end of the bottom brush plate mounting frame (58); a telescopic motor (55) is fixedly installed inside the bottom brush plate mounting frame (58), and a gear (56) is fixedly installed on the output shaft of the telescopic motor (55); a bottom brush plate (57) is slidably installed on the bottom brush plate mounting frame (58), and a rack is provided on the bottom brush plate (57); the gear (56) is meshed with the bottom brush plate (57) through the rack.

5. The self-adaptive cleaning system for the inner diameter of a chemical tank according to claim 1, characterized in that, The spraying device (4) includes: a fixed base (42) and a high-pressure nozzle (41). A drive motor (43) is fixedly installed inside the fixed base (42). A rotating rod (44) is fixedly connected to the output shaft of the drive motor (43). The rotating rod (44) is rotatably connected to the fixed base (42). A connecting block (46) is rotatably connected to the rotating rod (44). A rotary drive motor (45) is also fixedly installed on the rotating rod (44). The output shaft of the rotary drive motor (45) is fixedly connected to the connecting block (46). The high-pressure nozzle (41) is fixedly installed on the connecting block (46).

6. The self-adaptive cleaning system for the inner diameter of a chemical tank according to claim 1, characterized in that, The main rod (6) is provided with threads; the cleaning device moving mechanism (2) includes: a mounting shell (21), the mounting shell (21) is provided with protrusions equal in number to the sliding groove, and is slidably connected to the main rod (6) through the protrusions and the sliding groove; a moving drive motor (22) is fixedly mounted on the mounting shell (21), and a moving drive gear (23) is fixedly mounted on the output shaft of the moving drive motor (22); a moving external gear ring (24) is rotatably mounted inside the mounting shell (21), the moving external gear ring (24) is provided with threads, and is meshed with the main rod (6) through the threads; the moving drive gear (23) is meshed with the moving external gear ring (24).

7. The self-adaptive cleaning system for the inner diameter of a chemical tank according to claim 4, characterized in that, A temporary storage box (510) is rotatably connected to the main rod (6); a water pump (511) is fixedly installed on the temporary storage box (510); a connection port is provided on the bottom brush plate (57), and a suction port is opened on the bottom surface; the bottom brush plate (57) is connected to the water inlet of the water pump (511) through a connecting pipe (59), and the water outlet of the water pump (511) is connected to the inside of the temporary storage box (510).

8. The self-adaptive cleaning system for the inner diameter of a chemical tank according to claim 6, characterized in that, The movable frame (1) includes: a base (11), a movable rod (13) is slidably connected inside the base (11), one end of the movable rod (13) is fixedly connected to the mounting shell (21); a hydraulic cylinder (12) is fixedly connected inside the base (11), and the output end of the hydraulic cylinder (12) is fixedly connected to the other end of the movable rod (13).

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