Automatic cleaning device for inner wall of large drying tower

Abstract

The utility model relates to an automatic cleaning device for the inner wall of a large drying tower, which comprises a swing mechanism horizontally and rotatably connected to the bottom of the drying tower, the swing mechanism is provided with a rotatable center cylinder, and the center cylinder is vertically arranged; the flow guide pipe is fixedly connected with the side, close to the drying tower, of the center cylinder, the flow guide pipe is arranged in the drying tower and close to the inner wall of the drying tower, a rolling part capable of rolling is connected to the flow guide pipe, a guide rail is arranged on the inner wall of the drying tower, and the rolling part can roll along the guide rail; the cleaning nozzles are arranged on the side, close to the inner wall of the drying tower, of the flow guide pipe at intervals; the water supply mechanism is arranged on the outer side of the drying tower, the water supply mechanism is in socket connection with the center cylinder through a water inlet pipe and communicates with the flow guide pipe, the inner wall of the drying tower is cleaned thoroughly through rotating cleaning of a cleaning nozzle arranged in the drying tower around the inner wall of the drying tower, the structure is simple, and the inner wall of the drying tower can be cleaned in all directions; and labor cost and cleaning water are saved, and the cleaning effect is good.

Description

Technical Field

[0001] The utility model relates to the field of drying towers, in particular to an automatic cleaning device for the inner wall of a large drying tower. Background Art

[0002] Spray drying is used in all walks of life. With the improvement of equipment performance and production capacity, the diameter and height of the drying tower will also change accordingly. Large drying towers generally have a diameter of 8 to 12 meters and a height of 20 to 30 meters. In order to work stably and permanently, large drying towers need to be cleaned and maintained regularly.

[0003] Since large drying towers have a large diameter and height, if manual cleaning is used, workers need to climb to a higher position for cleaning, which is a large workload, difficult to clean, and has a high risk factor in a limited space; if various types of water guns or nozzles are used for cleaning, their cleaning range is limited, making it difficult to effectively clean the inner wall of the drying tower. Utility Model Content

[0004] The utility model aims to overcome the defects of the prior art and provide an automatic cleaning device for the inner wall of a large drying tower, so as to solve the problems that due to the large diameter and height of the large drying tower, if manual cleaning is adopted, workers need to climb to a higher position for cleaning, which results in a large workload, difficulty in cleaning, and a high risk factor in a limited space; if various types of water guns and nozzles are used for cleaning, the cleaning range is limited, and it is difficult to effectively clean the inner wall of the drying tower.

[0005] The technical solution to achieve the above purpose is:

[0006] The utility model provides an automatic cleaning device for the inner wall of a large drying tower, which is characterized by comprising:

[0007] A rotary mechanism connected to the bottom of the drying tower for horizontal rotation, wherein the rotary mechanism is provided with a rotatable central cylinder, and the central cylinder is arranged vertically;

[0008] A guide pipe fixedly connected to a side of the central tube close to the drying tower, the guide pipe is arranged inside the drying tower, and the guide pipe is arranged close to the inner wall of the drying tower, a rolling member is connected to the guide pipe, a guide rail is provided on the inner wall of the drying tower, and the rolling member can roll along the guide rail;

[0009] a plurality of cleaning nozzles arranged at intervals on one side of the guide pipe close to the inner wall of the drying tower; and

[0010] A water supply mechanism is arranged outside the drying tower, and the water supply mechanism is connected with the central tube through a water inlet pipe and is connected with the guide pipe.

[0011] A further improvement of the automatic cleaning device for the inner wall of a large drying tower of the utility model is that it also includes a guide rail bracket arranged on the inner wall of the drying tower and used to support the guide rail;

[0012] A limiting block is provided on one side of the flow guide pipe close to the inner wall of the drying tower;

[0013] The rolling element is rotatably connected to the limiting block.

[0014] A further improvement of the automatic cleaning device for the inner wall of a large drying tower of the utility model lies in that the rolling element is provided with a track groove corresponding to the guide rail.

[0015] A further improvement of the automatic cleaning device for the inner wall of a large drying tower of the utility model is that the rolling element is arranged at the bottom of the limit block, and the rolling element can roll in the horizontal direction;

[0016] The guide rail is arranged on the top of the guide rail bracket, and the guide rail is in contact with a side of the rolling element close to the guide pipe.

[0017] A further improvement of the automatic cleaning device for the inner wall of a large drying tower of the utility model is that a horizontal sealing ear is arranged on the outer side of one end of the central tube connected to the water inlet pipe, a pressure ring is attached to the bottom of the sealing ear, and the pressure ring is detachably connected to the sealing ear.

[0018] A further improvement of the automatic cleaning device for the inner wall of a large drying tower of the utility model is that a first filling groove is provided at the connection between the bottom of the sealing ear and the water inlet pipe, a second filling groove is provided at the pressure ring corresponding to the first filling groove, and sealing fillers are provided in the first filling groove and the second filling groove.

[0019] A further improvement of the automatic cleaning device for the inner wall of a large drying tower of the utility model lies in that the sealing filler is a packing.

[0020] A further improvement of the automatic cleaning device for the inner wall of a large drying tower of the utility model is that a plurality of the rolling elements and the guide rails can be arranged in the vertical direction.

[0021] A further improvement of the automatic cleaning device for the inner wall of a large drying tower of the utility model lies in that the rolling element and the guide rail can be arranged on the top inner wall of the drying tower.

[0022] A further improvement of the automatic cleaning device for the inner wall of a large drying tower of the utility model is that the water supply mechanism also includes a water reservoir, the water reservoir is arranged outside the drying tower, the water reservoir is connected to the water inlet of a water pump, and the water outlet of the water pump is connected to the water inlet pipe.

[0023] The beneficial effects of the utility model are as follows: the rotary mechanism arranged at the bottom of the drying tower drives the cleaning nozzle arranged inside the drying tower to rotate around the inner wall of the drying tower for cleaning, so that the inner wall of the drying tower is cleaned; the structure is relatively simple and the inner wall of the drying tower can be cleaned in all directions, thus saving labor costs and cleaning water, and having a good cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a front view of the automatic cleaning device for the inner wall of a large drying tower according to the utility model.

[0025] Figure 2 It is an enlarged view of part A of the automatic cleaning device for the inner wall of a large drying tower of the utility model.

[0026] Figure 3 It is an enlarged view of the connection between the rotary mechanism and the water inlet pipe in the automatic cleaning device for the inner wall of a large drying tower of the utility model.

[0027] Figure 4 It is an enlarged view of the cleaning nozzle in the automatic cleaning device for the inner wall of a large drying tower of the utility model.

[0028] 21. Water reservoir; 22. Water pump; 23. Water inlet pipe; 31. Rotating mechanism; 32. Pressure ring; 33. Sealing packing; 34. Sealing ear; 41. Drying tower; 42. Guide pipe; 43. Cleaning nozzle; 44. Limit block; 45. Guide rail; 46. Rolling element; 47. Track groove; 51. Inspection hole. DETAILED DESCRIPTION

[0029] The utility model provides an automatic cleaning device for the inner wall of a large drying tower, which solves the existing problem that due to the large diameter and height of the large drying tower, if manual cleaning is adopted, workers need to climb to a higher position for cleaning, which is labor-intensive, difficult to clean, and has a high risk factor in a limited space; if various water guns and nozzles are used for cleaning, the cleaning range is limited, and it is difficult to effectively clean the inner wall of the drying tower. The rotary mechanism arranged at the bottom of the drying tower drives the cleaning nozzle arranged inside the drying tower to rotate around the inner wall of the drying tower for cleaning, and the inner wall of the drying tower is cleaned. The structure is relatively simple and the inner wall of the drying tower can be cleaned in all directions, saving labor costs and cleaning water, and the cleaning effect is good.

[0030] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0031] See also Figure 1 , shows a front view of the automatic cleaning device for the inner wall of a large drying tower 41 of the utility model. The automatic cleaning device for the inner wall of a large drying tower 41 of the utility model comprises: a rotating mechanism 31, a water supply mechanism, a guide pipe 42 and a cleaning nozzle 43.

[0032] The rotary mechanism 31 is horizontally rotatable and connected to the bottom of the drying tower 41. The rotary mechanism 31 is provided with a rotatable central tube, which is vertically arranged. The guide tube 42 is fixedly connected to the side of the central tube close to the drying tower 41. The guide tube 42 is arranged inside the drying tower 41, and the guide tube 42 is arranged close to the inner wall of the drying tower 41. A rollable roller 46 is connected to the guide tube 42. A guide rail 45 is arranged on the inner wall of the drying tower 41. The roller 46 can roll along the guide rail 45. The guide tube 42 rotates with the central tube inside the drying tower 41. The guide tube 42 rolls on the inner wall of the drying tower 41 along the guide rail 45. The water supply mechanism is arranged on the drying tower 4 1, the water supply mechanism is connected with the central tube through the water inlet pipe 23 and connected with the guide pipe 42, and the water inlet pipe 23 and the rotary mechanism 31 can rotate relative to each other, the water inlet pipe 23 is erected on the ground and does not move, while the rotary mechanism 31 rotates around the axis of the drying tower 41, and the connection between the rotary mechanism 31 and the water inlet pipe 23 is sealed. During the rotation of the rotary mechanism 31, the connection between the central tube and the water inlet pipe 23 is sealed. A plurality of cleaning nozzles 43 are arranged at intervals on one side of the guide pipe 42 close to the inner wall of the drying tower 41, so that the cleaning nozzles 43 can rotate around the inner wall of the drying tower 41 to achieve all-round cleaning of the inner wall of the drying tower 41.

[0033] Preferably, the guide pipe 42 is arranged parallel to the inner wall of the drying tower 41 , so as to ensure that the cleaning nozzle 43 cleans the inner wall of the drying tower 41 in all directions.

[0034] In a preferred embodiment of the automatic cleaning device for the inner wall of a large drying tower of the utility model, the cleaning nozzle 43 is used to perform sputtering cleaning on the inner wall of the drying tower. The form of the cleaning nozzle 43 includes but is not limited to circular, fan-shaped, rotating, etc., and its purpose is to form overlapping cleaning areas to avoid cleaning dead corners. Other equivalent and replaceable cleaning forms are not described here and are all within the protection scope of the utility model.

[0035] Furthermore, the guide pipe 42 is fixed on the bottom rotating mechanism 31, and under the power drive of the rotating mechanism 31, it is guided by the limit block 44 and the guide rail 45 on the inner wall of the drying tower 41 to perform circular motion along the circumference of the drying tower 41; the fixing method of the guide pipe 42 and the central tube of the rotating mechanism 31 includes but is not limited to flange, welding, quick clamp, axle pin and the like, and other equivalent and replaceable fixing methods are not described here, and they are all within the protection scope of the present utility model.

[0036] See also Figure 2 , showing an enlarged view of part A of the automatic cleaning device for the inner wall of a large drying tower 41 of the utility model. Figure 1 and Figure 2As shown, the automatic cleaning device for the inner wall of a large drying tower 41 of the utility model also includes a guide rail bracket arranged on the inner wall of the drying tower 41 and supporting the guide rail 45, which can improve the stability of the guide rail 45 and avoid direct contact between the inner wall of the drying tower 41 and the rolling element 46, thereby preventing the inner wall of the drying tower 41 from being damaged. A limit block 44 is provided on one side of the guide tube 42 close to the inner wall of the drying tower 41; the rolling element 46 is rotatably connected to the limit block 44, thereby improving the stability of the rolling element 46.

[0037] In a preferred embodiment of the automatic cleaning device for the inner wall of a large drying tower 41 of the utility model, the rolling member 46 is a bearing rotatably connected to the limit block 44, and the bearing is rollingly connected to the guide rail 45 on the guide rail bracket circumferentially erected on the inner wall of the drying tower 41. By rotating the connected bearing, the guide tube 42 can roll and rotate along the inner wall of the drying tower 41.

[0038] In another preferred embodiment of the automatic cleaning device for the inner wall of a large drying tower 41 of the utility model, the rolling member 46 is a roller rotatably connected to the limit block 44, and the roller is rollingly connected to the guide rail 45 on the guide rail bracket circumferentially erected on the inner wall of the drying tower 41. By rotating the connected roller, the guide tube 42 can roll and rotate along the inner wall of the drying tower 41.

[0039] Furthermore, a track groove 47 is provided on the surface of the rolling element 46 corresponding to the guide rail 45 , so that the connection between the rolling element 46 and the inner wall of the drying tower 41 is more stable.

[0040] Preferably, the rolling member 46 is arranged at the bottom of the limit block 44, and the rolling member 46 can roll in the horizontal direction; the guide rail 45 is arranged at the top of the guide rail bracket, and the guide rail 45 is in contact with the side of the rolling member 46 close to the guide tube 42, and the guide rail 45 gives the rolling member 46 a force toward the inner wall of the drying tower 41, placing the guide tube 42 in a direction away from the inner wall of the drying tower 41, so that the guide tube 42 can stably move around the inner wall of the drying tower 41.

[0041] See also Figure 3 , shows an enlarged view of the connection between the rotary mechanism 31 and the water inlet pipe 23 in the automatic cleaning device for the inner wall of a large drying tower 41 of the utility model.

[0042] like Figure 3 As shown, a horizontal sealing ear 34 is provided on the outer side of one end of the central tube connected to the water inlet pipe 23, a pressing ring 32 is attached to the bottom of the sealing ear 34, and the sealing ear 34 and the pressing ring 32 are detachably connected to strengthen the sealing strength between the rotating mechanism 31 and the water inlet pipe 23.

[0043] Furthermore, a first filling groove is provided at the connection between the bottom of the sealing ear 34 and the water inlet pipe 23, and a second filling groove is provided at the pressure ring 32 corresponding to the first filling groove. Sealing fillers 33 are provided in the first filling groove and the second filling groove to further enhance the sealing strength between the rotating mechanism 31 and the water inlet pipe 23.

[0044] Preferably, the sealing filler 33 is a packing, which is sleeved at the connection between the water inlet pipe 23 and the center tube to fill the first filler groove and the second filler groove to enhance the sealing between the water inlet pipe 23 and the center tube. Other equivalent replaceable water-stopping methods are not described here and are all within the protection scope of the present utility model.

[0045] Furthermore, a plurality of rolling elements 46 and guide rails 45 are provided in the vertical direction, which can improve the connection stability between the guide pipe 42 and the drying tower 41 .

[0046] Furthermore, the rolling element 46 and the guide rail 45 can also be arranged on the top inner wall of the drying tower 41 to clean the top inner wall of the drying tower 41 and at the same time enhance the stability of the overall structure.

[0047] Combination Figure 1 and Figure 2 As shown, an inspection hole 51 is opened on the inner wall of the drying tower 41. The inspection hole 51 is opened on the side of the guide rail 45 corresponding to the guide rail 45, and is used to inspect the guide pipe 42 and the guide rail 45 to ensure stable realization of the cleaning function.

[0048] See also Figure 4 , shows an enlarged view of the cleaning nozzle 43 in the automatic cleaning device for the inner wall of the large drying tower 41 of the utility model. Figure 4 As shown, the cleaning nozzles 43 are arranged at intervals along the guide tube 42, and the spraying areas of the cleaning nozzles 43 cover the inner wall of the drying tower 41 in all directions, thereby realizing the all-round cleaning function of the automatic cleaning device for the inner wall of the large drying tower 41 of the utility model.

[0049] Preferably, the water supply mechanism also includes a water reservoir 21, which is arranged outside the drying tower 41. The water reservoir 21 is connected to the water inlet of a water pump 22, and the water outlet of the water pump 22 is connected to the water inlet pipe 23 to supply water to the cleaning nozzle 43.

[0050] The following is a further description of the installation and use of the automatic cleaning device for the inner wall of the large drying tower 41 of the utility model.

[0051] A guide rail 45 is provided at a suitable position on the inner wall of the drying tower 41, and a suitable guide pipe 42 is processed corresponding to the position of the guide rail 45. The guide pipe 42 provided with a cleaning nozzle 43 is fixed to the inner wall of the drying tower 41 and connected to the guide rail 45 accordingly. Then the rotary mechanism 31 is rotatably connected to the bottom of the drying tower 41, and the guide pipe 42 is fixedly connected to the rotary mechanism 31. The water inlet pipe 23 connected to the water reservoir 21 is connected to the other end of the rotary mechanism 31, so that the rotary mechanism 31 is still sealed with the water inlet pipe 23 when rotating. The water pump 22 and the rotary mechanism 31 are turned on to carry out the cleaning operation.

[0052] The utility model has a reasonable design of the automatic cleaning device for the inner wall of a large drying tower 41. The guide pipe 42 passes through the rotary mechanism 31 and performs a circular motion along the circumference of the drying tower 41 under the guidance of the limit block 44, the guide rail 45, the rolling element 46 and the track groove 47; at the same time, the water pump 22 inputs the cleaning medium in the water reservoir 21 into the guide pipe 42, and sprays it out through the cleaning nozzle 43 on the guide pipe 42, so as to perform all-round strong sputtering cleaning on the inner wall of the drying tower 41, and the cleaning waste water is discharged from the bottom of the drying tower 41. The device has a simple structure and is easy to operate, and can realize full-automatic cleaning, which is safe and practical.

[0053] The utility model is described in detail above in conjunction with the embodiments of the drawings. A person skilled in the art can make various variations of the utility model according to the above description. Therefore, some details in the embodiments should not constitute a limitation of the utility model, and the scope of protection of the utility model shall be defined by the scope of the attached claims.

Claims

1. An automatic cleaning device for the inner wall of a large drying tower, characterized in that: include: A rotary mechanism connected to the bottom of the drying tower for horizontal rotation, wherein the rotary mechanism is provided with a rotatable central cylinder, and the central cylinder is arranged vertically; A guide pipe fixedly connected to a side of the central tube close to the drying tower, the guide pipe is arranged inside the drying tower, and the guide pipe is arranged close to the inner wall of the drying tower, a rolling member is connected to the guide pipe, a guide rail is provided on the inner wall of the drying tower, and the rolling member can roll along the guide rail; a plurality of cleaning nozzles arranged at intervals on one side of the guide pipe close to the inner wall of the drying tower; and A water supply mechanism is arranged outside the drying tower, and the water supply mechanism is connected with the central tube through a water inlet pipe and is connected with the guide pipe.

2. The automatic cleaning device for the inner wall of a large drying tower according to claim 1, characterized in that: Also included is a guide rail bracket disposed on the inner wall of the drying tower and used to support the guide rail; A limiting block is provided on one side of the flow guide pipe close to the inner wall of the drying tower; The rolling element is rotatably connected to the limiting block.

3. The automatic cleaning device for the inner wall of a large drying tower according to claim 1, characterized in that: The rolling element is provided with a track groove corresponding to the guide rail.

4. The automatic cleaning device for the inner wall of a large drying tower as claimed in claim 2, characterized in that: The rolling element is arranged at the bottom of the limiting block, and the rolling element can roll in the horizontal direction; The guide rail is arranged on the top of the guide rail bracket, and the guide rail is in contact with a side of the rolling element close to the guide pipe.

5. The automatic cleaning device for the inner wall of a large drying tower according to claim 1, characterized in that: A horizontal sealing ear is arranged on the outer side of one end of the central tube connected to the water inlet pipe, a pressing ring is attached to the bottom of the sealing ear, and the pressing ring is detachably connected to the sealing ear.

6. The automatic cleaning device for the inner wall of a large drying tower as claimed in claim 5, characterized in that: A first filling groove is provided at the connection between the bottom of the sealing ear and the water inlet pipe, and a second filling groove is provided at the pressure ring corresponding to the first filling groove. Sealing fillers are provided in the first filling groove and the second filling groove.

7. The automatic cleaning device for the inner wall of a large drying tower as claimed in claim 6, characterized in that: The sealing filler is packing.

8. The automatic cleaning device for the inner wall of a large drying tower as claimed in claim 1, characterized in that: The rolling element and the guide rail may be provided in plurality along the vertical direction.

9. The automatic cleaning device for the inner wall of a large drying tower according to claim 1, characterized in that: The rolling element and the guide rail may be disposed on the top inner wall of the drying tower.

10. The automatic cleaning device for the inner wall of a large drying tower according to claim 1, characterized in that: The water supply mechanism also includes a water reservoir, which is arranged outside the drying tower, the water reservoir is connected to the water inlet of a water pump, and the water outlet of the water pump is connected to the water inlet pipe.

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