A blanket cleaning device and cleaning method for tobacco processing

Abstract

The present invention provides a blanket cleaning device and a cleaning method for tobacco processing, which relate to the technical field of tobacco processing, wherein a blanket cleaning device for tobacco processing comprises a spraying part, a supporting part and a transmission part, wherein the spraying part comprises a spraying pipe, a needle nozzle and a first driving motor, the supporting part comprises a first supporting column, a first telescopic rod, a second supporting column and a second telescopic rod, the first telescopic rod is provided with a second driving motor, the second telescopic rod is provided with a third driving motor, the transmission part is provided between the first telescopic rod and the second telescopic rod, the transmission part is provided with a transmission shaft, a transmission roller and a fourth driving motor, and a water pressure sensor is provided below the transmission shaft. The blanket cleaning device for tobacco processing of the present invention has a simple structure, can adjust the distance between the nozzle and the blanket, ensure that the high-pressure water needle can penetrate the blanket at each stage of the blanket operation, can thoroughly clean the blanket surface, dehydrate evenly, and achieve full-width flushing without dead angles.

Description

Technical Field

[0001] The present invention relates to the technical field of tobacco processing.

[0002] In particular, the present invention relates to a felt cleaning device and method for tobacco processing. Background Art

[0003] Felt is one of the important dehydration equipment of paper machine. During the operation of reconstituted tobacco production line, the pore blockage with adhesives on the surface is easy to bridge and stay at the intersection of wool fibers, resulting in the gradual thickening of the dirt layer on the surface of wool fibers, and the adhesion between the pore blockage and the wool fibers gradually increases. After the adhesion increases to a certain extent, the spray water and vacuum suction box can no longer remove this part of the pore blockage, so the pores are gradually blocked. With the pore blockage, when the thickness of the adhesive wrapping reaches a certain extent, the felt begins to form a board under the tight pressure of the pressing roller, and the high-pressure water cannot penetrate it, and the water injection performance of the felt deteriorates. During normal production, the felt needs to be cleaned every two days on average, which takes 3 hours each time, and the continuity of production cannot be guaranteed, and a lot of energy consumption is wasted. The quality of the felt's water permeability directly affects the production efficiency of the paper machine. How to delay the arrival of this trend is the key to extending the effective operation time of the paper machine.

[0004] Therefore, in order to solve the above problems, it is very necessary for us to design a reasonable blanket cleaning device or cleaning method for tobacco processing. Summary of the invention

[0005] The first purpose of the present invention is to provide a blanket cleaning device for tobacco processing which has a simple structure and can adjust the distance between the nozzle and the blanket to ensure that the high-pressure water needle can penetrate the blanket at each stage of the blanket operation, and adopts a step-by-step high-pressure mobile spray pipe to thoroughly clean the blanket surface, dehydrate evenly, improve forming, and the flushing speed is in a certain proportional relationship with the paper machine speed, thereby achieving a full-width flushing effect without dead angles.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A blanket cleaning device for tobacco processing, comprising a spraying part, a supporting part and a transmission part for transmitting the blanket, wherein the spraying part comprises a spray pipe, a needle nozzle arranged on the side wall of the spray pipe and a first driving motor for pulling the spray pipe for axial displacement, the supporting part comprises a first supporting column connected to the spray pipe, a first telescopic rod arranged at one end of the first supporting column away from the spray pipe, a second supporting column connected to the spray pipe and a second telescopic rod arranged at one end of the second supporting column away from the spray pipe, a second driving motor for driving the first telescopic rod to be telescopic is arranged on the first telescopic rod, a third driving motor for driving the second telescopic rod to be telescopic is arranged on the second telescopic rod, the transmission part is arranged between the first telescopic rod and the second telescopic rod, the transmission part is provided with a transmission shaft, a transmission roller arranged on the transmission shaft and a fourth driving motor for driving the transmission shaft to rotate, a water pressure sensor is arranged below the transmission shaft, and the first driving motor, the second driving motor, the third driving motor and the fourth driving motor are all electrically connected to the water pressure sensor.

[0008] As a preferred embodiment of the present invention, the first drive motor is connected to the spray pipe via a third telescopic rod.

[0009] As a preferred embodiment of the present invention, the first drive motor is electrically connected to a PLC controller.

[0010] As a preferred embodiment of the present invention, the number of the needle-shaped nozzle is at least one, and the needle-shaped nozzle is vertically arranged to the spray pipe, and the needle-shaped nozzle is extended toward the direction of the water pressure sensor.

[0011] As a preferred embodiment of the present invention, the first driving motor is provided with a support platform, and the support platform is connected to the first supporting column via a connecting plate.

[0012] As a preferred embodiment of the present invention, the number of the driving roller is at least one.

[0013] As a preferred embodiment of the present invention, the number of the transmission shaft is at least one, and the plurality of transmission shafts are connected by a transmission belt.

[0014] As a preferred embodiment of the present invention, at least a portion of the connection between the first support column and the second support column and the spray pipe is arc-shaped.

[0015] As a preferred embodiment of the present invention, the number of the water pressure sensor is at least one.

[0016] As a preferred embodiment of the present invention, one end of the spray pipe away from the first drive motor is connected to a pressure supply hose.

[0017] As a further preferred embodiment of the present invention, both the first telescopic rod and the second telescopic rod are arranged perpendicular to the spray pipe.

[0018] The present invention also provides a cleaning method for a felt cleaning device for tobacco processing, comprising the following steps:

[0019] S1: After the blanket is placed on the support, water is sprayed onto the blanket through the needle-shaped nozzle of the spray pipe;

[0020] S2: driving the spraying part to approach the transmission part by the second driving motor and the third driving motor;

[0021] S3: Determine whether the real-time water pressure on the water pressure sensor is greater than a predetermined threshold value. If so, execute step S4; otherwise, continue to execute step S2;

[0022] S4: driving the first driving motor of the spraying part and the fourth driving motor of the transmission part to work;

[0023] S5: After the cleaning is completed, the first drive motor and the fourth drive motor are stopped, and the second drive motor and the third drive motor are used to drive the spray part to move to a position farthest from the transmission part.

[0024] As a preferred embodiment of the present invention, before executing step S1, it is ensured that the needle nozzle is perpendicular to the spray pipe and the needle nozzle is extended in the direction of the needle nozzle.

[0025] As a preferred embodiment of the present invention, when executing step S4, the driving speed of the first driving motor is controlled by the PLC controller to ensure that after the blanket completes one circle, the nozzle moves the width of the water column on the blanket being cleaned.

[0026] The beneficial effects of the blanket cleaning device and cleaning method for tobacco processing of the present invention are: simple structure, adjustable distance between the nozzle and the blanket, ensuring that the high-pressure water needle can penetrate the blanket at each stage of blanket operation, and adopting a step-by-step high-pressure mobile spray pipe, which can thoroughly clean the blanket surface, dehydrate evenly, improve molding, and the flushing speed is in a certain proportional relationship with the paper machine speed, achieving a full-width flushing effect without dead angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of a felt cleaning device for tobacco processing according to the present invention;

[0028] Figure 2 It is a schematic diagram of the top view of the structure of the transmission part of a felt cleaning device for tobacco processing according to the present invention;

[0029] Figure 3 It is a schematic structural diagram of a second supporting column of a felt cleaning device for tobacco processing according to the present invention;

[0030] Figure 4 It is a schematic flow chart of a cleaning method of a felt cleaning device for tobacco processing according to the present invention;

[0031] In the figure: 1. spray part, 11. spray pipe, 12. needle nozzle, 13. first drive motor, 131. third telescopic rod, 132. support platform, 133. connecting plate, 2. support part, 21. first support column, 22. first telescopic rod, 221. second drive motor, 23. second support column, 24. second telescopic rod, 241. third drive motor, 3. transmission part, 31. transmission shaft, 311. transmission belt, 32. transmission roller, 33. fourth drive motor, 34. water pressure sensor, 4. blanket. DETAILED DESCRIPTION

[0032] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0033] The following are specific embodiments of the present invention, which further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

[0034] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of modules and structures set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0035] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

[0036] Technologies, methods, and systems known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and systems should be considered part of the authorization specification.

[0037] Embodiment 1: Figures 1 to 3The figure is only one of the embodiments of the present invention, a blanket cleaning device for tobacco processing, comprising a spraying part 1, a supporting part 2 and a conveying part 3 for conveying a blanket 4, wherein the spraying part 1 comprises a spraying pipe 11, a needle nozzle 12 arranged on the side wall of the spraying pipe 11 and a first driving motor 13 for pulling the spraying pipe 11 for axial displacement, the supporting part 2 comprises a first supporting column 21 connected to the spraying pipe 11, a first telescopic rod 22 arranged at one end of the first supporting column 21 away from the spraying pipe 11, a second supporting column 23 connected to the spraying pipe 11 and a second telescopic rod 24 arranged at one end of the second supporting column 23 away from the spraying pipe 11, The first telescopic rod 22 is provided with a second driving motor 221 for driving the first telescopic rod 22 to be extended and retracted, the second telescopic rod 24 is provided with a third driving motor 241 for driving the second telescopic rod 24 to be extended and retracted, the transmission part 3 is provided between the first telescopic rod 22 and the second telescopic rod 24, the transmission part 3 is provided with a transmission shaft 31, a transmission roller 32 provided on the transmission shaft 31 and a fourth driving motor 33 for driving the transmission shaft 31 to rotate, a water pressure sensor 34 is provided under the transmission shaft 31, and the first driving motor 13, the second driving motor 221, the third driving motor 241 and the fourth driving motor 33 are all electrically connected to the water pressure sensor 34.

[0038] In the present invention, the blanket 4 is placed on the transmission part 3 for transmission, and the blanket 4 is cleaned by the needle-shaped water column (hereinafter referred to as water needle) sprayed by the spray part 1 during transmission, and the support part 2 only supports and adjusts the position of the spray part 1.

[0039] First is the spray part 1, which includes a spray pipe 11, a needle nozzle 12 arranged on the side wall of the spray pipe 11, and a first drive motor 13 for pulling the spray pipe 11 for axial displacement. The number of the needle nozzle 12 is at least one, and the needle nozzle 12 is perpendicular to the spray pipe 11. The needle nozzle 12 extends toward the water pressure sensor 34, so the water needle sprayed by the needle nozzle 12 is sprayed perpendicular to the spray pipe 11 and directly toward the water pressure sensor 34 of the transmission part 3. The first drive motor 13 is connected to the spray pipe 11 through the third telescopic rod 131, so the first drive motor 13 drives the third telescopic rod 131 to extend and retract, so as to complete the axial displacement of the spray pipe 11.

[0040] Next is the support part 2, which includes a first support column 21 connected to the spray pipe 11, a first telescopic rod 22 arranged at one end of the first support column 21 away from the spray pipe 11, a second support column 23 connected to the spray pipe 11, and a second telescopic rod 24 arranged at one end of the second support column 23 away from the spray pipe 11, the first telescopic rod 22 is provided with a second drive motor 221 for driving the first telescopic rod 22 to extend and retract, and the second telescopic rod 24 is provided with a third drive motor 221 for driving the second telescopic rod 24 to extend and retract. 41, the first support column 21 and the second support column 23 respectively support the two ends of the spray pipe 11 (there is a certain distance from the end of the spray pipe 11, so that the spray pipe 11 will not escape from the support of the first support column 21 and the second support column 23 when it is axially displaced), the second drive motor 221 drives the first telescopic rod 22 to rise and fall, and drives the first support column 21 and the spray pipe 11 to rise and fall close to the first support column 21. The third drive motor 241 drives the second telescopic rod 24 to rise and fall, and drives the second support column 23 and the spray pipe 11 to rise and fall close to the second support column 23.

[0041] Generally speaking, both ends of the spray pipe 11 are raised and lowered synchronously, that is, the first telescopic rod 22 and the second telescopic rod 24 work synchronously.

[0042] Here, in order to ensure that the first support column 21 and the second support column 23 of the support part 2 continue to maintain axial connection with the spray pipe 11 when the spray pipe 11 is adjusted up and down, it is necessary to ensure that the first drive motor 13 and the third telescopic rod 131 are raised and lowered and adjusted up and down at the same time as the spray pipe 11. The first drive motor 13 is provided with a support platform 132, and the support platform 132 is connected to the first support column 21 through a connecting plate 133.

[0043] Moreover, the first telescopic rod 22 and the second telescopic rod 24 are both arranged perpendicular to the spray pipe 11. That is, the direction in which the first telescopic rod 22 and the second telescopic rod 24 are extended is perpendicular to the axial extension direction of the spray pipe 11, which actually controls the distance between the spray pipe 11 and the transmission part 3.

[0044] Finally, there is the transmission part 3, which is provided with a transmission shaft 31, a transmission roller 32 arranged on the transmission shaft 31, and a fourth driving motor 33 for driving the transmission shaft 31 to rotate. A water pressure sensor 34 is arranged below the transmission shaft 31. The first driving motor 13, the second driving motor 221, the third driving motor 241 and the fourth driving motor 33 are all electrically connected to the water pressure sensor 34. Here, the transmission part 3 can be a plane or a curved surface, ensuring that the transmission shaft 31 drives the transmission roller 32 to rotate under the drive of the fourth driving motor 33, thereby driving the blanket 4 to be transmitted on the transmission roller 32, and the water needle sprayed from the upper needle nozzle 12 passes through the blanket 4 and continues to spray onto the water pressure sensor 34.

[0045] Generally speaking, the present invention adopts a needle-shaped nozzle with a diameter of 1mm, a nozzle spacing of 100-200mm, a nozzle distance of 100-150mm from the blanket surface, and a lateral movement range of 100-400mm. Because the impact force of the sprayed water column will be severely attenuated with the distance from the nozzle, the improvement of the spray water cleaning effect requires ensuring the distance between the nozzle and the blanket. The basis for whether the blanket 4 is effectively cleaned is whether the high-pressure water needle penetrates the blanket 4, and whether a 1-1.5cm water column can be formed on the permeable surface after penetration. If the water on the blanket 4 drips directly onto the water pressure sensor 34, the water pressure sensed by the water pressure sensor 34 is much smaller than the water pressure of the water needle passing through the blanket 4 to form a water column sprayed onto the water pressure sensor 34. Then, the water pressure sensed on the water pressure sensor 34 is used to judge whether the water needle can effectively clean the blanket at this time.

[0046] It should be noted that the first drive motor 13 is electrically connected to a PLC controller, which obtains the rotation speed of the fourth drive motor 33 and calculates the transmission speed of the blanket 4. When the needle nozzle 12 of the spray pipe 11 is cleaning, it remains straight and motionless, and the fourth drive motor 33 continues to operate. After the blanket 4 completes a circle, the needle nozzle 12 moves the width of the water column on the cleaned blanket 4, so that the purpose of complete cleaning is achieved by cleaning one by one. After cleaning a stroke, the needle nozzle 12 returns to the origin, and then starts the next cleaning process. The entire process control is achieved by modifying the PLC control program.

[0047] The step-by-step method is used to ensure the absolute consistency of each nozzle, that is, to ensure the absolute consistency of the washing effect of the nozzle spacing, so that the stroke is absolutely equal to the spacing between adjacent nozzles, and the moving speed is converted according to the actual vehicle speed. The specific algorithm is designed as follows:

[0048] Fv=V*D / L

[0049] Where: Fv - the reciprocating speed of the mobile water needle mm / min;

[0050] V - running speed of press felt (mm / min);

[0051] D - nozzle diameter (mm);

[0052] L - the length of the press felt in m.

[0053] When the blanket runs one circle, the nozzle of the step-by-step spray device moves forward a certain distance, and the sprayed water can thoroughly clean the surface of the blanket and dehydrate it evenly and effectively. At the same time, after the cleaning effect is improved, the pressure of the high-pressure water can also be appropriately reduced, thereby reducing damage to the blanket and extending the service life of the blanket.

[0054] The blanket cleaning device for tobacco processing of the present invention has a simple structure, and can adjust the distance between the nozzle and the blanket to ensure that the high-pressure water needle can penetrate the blanket at each stage of the blanket operation. A step-by-step high-pressure mobile spray pipe is adopted to thoroughly clean the blanket surface, dehydrate evenly, improve forming, and the flushing speed is in a certain proportional relationship with the paper machine speed, thereby achieving a full-width flushing effect without dead angles.

[0055] Embodiment 2, still as Figures 1 to 3 The figure shown is only one embodiment of the present invention. In order to make the installation effect of the felt cleaning device for tobacco processing of the present invention better and more stable, the present invention also has the following design.

[0056] In order to facilitate the effective cleaning of all blankets 4, after the blanket 4 is set on the support part 3, the needle nozzle 12 of the spray pipe 11 is used to spray water needles to the blanket 4, and the second drive motor 221 and the third drive motor 241 are used to drive the spray part 1 to approach the transmission part 3. At this time, it is judged in real time whether the real-time water pressure on the water pressure sensor 34 reaches a certain value. If it reaches a certain value, it means that the height of the spray part 1 can just ensure that the water needle can effectively clean the blanket 4. At this time, the first drive motor 13 of the spray part 1 and the fourth drive motor 33 on the transmission part 3 are driven to work. The fourth drive motor 33 of the transmission part 3 drives the blanket 4 to be transported for cleaning, and each time the blanket 4 completes a circle, the first drive motor 13 drives the spray pipe 11 to axially displace the width of a water column on the cleaned blanket 4. In this way, by cleaning one by one, the purpose of complete cleaning can be achieved.

[0057] In addition, the number of the driving roller 32 is at least one. Generally, a plurality of driving rollers 32 are arranged on one transmission shaft 31 to facilitate the transmission of the blanket 4.

[0058] Furthermore, the number of the transmission shafts 31 is at least one, and the plurality of transmission shafts 31 are connected by a transmission belt 311, so as to ensure that all the transmission shafts 31 rotate synchronously at the same speed without damaging the blanket 4.

[0059] In addition, at least a portion of the connection between the first support column 21 and the second support column 23 and the spray pipe 11 is arc-shaped. In fact, the upper ends of the first support column 21 and the second support column 23 are elliptical arcs. On the one hand, it is convenient for the axial displacement of the spray pipe 11 driven by the first drive motor 13, and on the other hand, it prevents the spray pipe 11 from rolling along the central axis, resulting in a change in the spray direction of the water needle at the needle nozzle, resulting in the water pressure failing to effectively clean the blanket 4.

[0060] Of course, the number of the water pressure sensor 34 is at least one, so as to facilitate comprehensive monitoring of the permeation water pressure at various locations of the blanket 4.

[0061] Finally, a pressure supply hose is connected to one end of the spray pipe 11 away from the first drive motor 13 . When the spray pipe 11 is slightly displaced axially, the hose facilitates the stabilization of the water supply and pressure of the spray pipe 11 .

[0062] Embodiment three, as Figure 4 As shown, the present invention also provides a cleaning method for a felt cleaning device for tobacco processing, comprising the following steps:

[0063] S1: After the blanket is placed on the support, water is sprayed onto the blanket through the needle-shaped nozzle of the spray pipe;

[0064] S2: driving the spraying part to approach the transmission part by the second driving motor and the third driving motor;

[0065] S3: Determine whether the real-time water pressure on the water pressure sensor is greater than a predetermined threshold value. If so, execute step S4; otherwise, continue to execute step S2;

[0066] S4: driving the first driving motor of the spraying part and the fourth driving motor of the transmission part to work;

[0067] S5: After the cleaning is completed, the first drive motor and the fourth drive motor are stopped, and the second drive motor and the third drive motor are used to drive the spray part to move to a position farthest from the transmission part.

[0068] Before executing step S1, ensure that the needle nozzle is perpendicular to the spray pipe and the needle nozzle is extended in the direction of the needle nozzle.

[0069] Moreover, when executing step S4, the driving speed of the first driving motor is controlled by the PLC controller to ensure that after the felt completes one circle, the nozzle moves by the width of the water column on the cleaned felt.

[0070] The present invention discloses a blanket cleaning device and a blanket cleaning method for tobacco processing, which have a simple structure, can adjust the distance between the nozzle and the blanket, ensure that the high-pressure water needle can penetrate the blanket at each stage of blanket operation, and adopt a step-by-step high-pressure mobile spray pipe, which can thoroughly clean the blanket surface, dehydrate evenly, improve molding, and the flushing speed is in a certain proportional relationship with the speed of the paper machine, thereby achieving a full-width flushing effect without dead angles.

[0071] The present invention is not limited to the above specific implementations, and the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made to the above implementations based on the technical essence of the present invention shall be included in the protection scope of the present invention.

Claims

1. A felt cleaning device for tobacco processing, characterized in that: The invention comprises a spraying part (1), a supporting part (2) and a conveying part (3) for conveying a blanket (4); the spraying part (1) comprises a spraying pipe (11), a needle-shaped nozzle (12) arranged on the side wall of the spraying pipe (11) and a first driving motor (13) for pulling the spraying pipe (11) to axially displace; the supporting part (2) comprises a first supporting column (21) connected to the spraying pipe (11), a first telescopic rod (22) arranged at an end of the first supporting column (21) away from the spraying pipe (11), a second supporting column (23) connected to the spraying pipe (11) and a second telescopic rod (24) arranged at an end of the second supporting column (23) away from the spraying pipe (11); a driving motor (13) is arranged on the first telescopic rod (22) The second telescopic rod (22) is extended and retracted by a second driving motor (221); the second telescopic rod (24) is provided with a third driving motor (241) for driving the second telescopic rod (24) to extend and retract; the transmission part (3) is provided between the first telescopic rod (22) and the second telescopic rod (24); the transmission part (3) is provided with a transmission shaft (31), a transmission roller (32) provided on the transmission shaft (31), and a fourth driving motor (33) for driving the transmission shaft (31) to rotate; a water pressure sensor (34) is provided below the transmission shaft (31); the first driving motor (13), the second driving motor (221), the third driving motor (241), and the fourth driving motor (33) are all electrically connected to the water pressure sensor (34); The number of the transmission shaft (31) is at least one, and the plurality of transmission shafts (31) are connected via a transmission belt (311); the number of the water pressure sensor (34) is at least one; The second drive motor and the third drive motor drive the spraying part to approach the transmission part, so that the water needle sprayed from the upper needle-shaped nozzle (12) passes through the blanket (4) and then continues to spray onto the water pressure sensor (34), and the real-time water pressure sensed by the water pressure sensor (34) is greater than a predetermined threshold value, and the blanket is effectively cleaned.

2. A felt cleaning device for tobacco processing according to claim 1, characterized in that: The first drive motor (13) is connected to the spray pipe (11) via a third telescopic rod (131), and the first drive motor (13) is electrically connected to a PLC controller.

3. A felt cleaning device for tobacco processing according to claim 1, characterized in that: The number of the needle-shaped nozzle (12) is at least one, and the needle-shaped nozzle (12) is arranged perpendicularly to the spray pipe (11), and the needle-shaped nozzle (12) is extended in the direction of the water pressure sensor (34).

4. A felt cleaning device for tobacco processing according to claim 1, characterized in that: The first drive motor (13) is provided with a support platform (132), and the support platform (132) is connected to the first support column (21) via a connecting plate (133).

5. A felt cleaning device for tobacco processing according to claim 1, characterized in that: At least a portion of the connection between the first support column (21) and the second support column (23) and the spray pipe (11) is arc-shaped.

6. A cleaning method for a felt cleaning device for tobacco processing according to any one of claims 1 to 5, characterized in that: The following steps are involved: S1: After the blanket is placed on the support, water is sprayed onto the blanket through the needle-shaped nozzle of the spray pipe; S2: driving the spraying part to approach the transmission part by the second driving motor and the third driving motor; S3: Determine whether the real-time water pressure on the water pressure sensor is greater than a predetermined threshold value. If so, execute step S4; otherwise, continue to execute step S2; S4: driving the first driving motor of the spraying part and the fourth driving motor of the transmission part to work; S5: After the cleaning is completed, the first drive motor and the fourth drive motor are stopped, and the second drive motor and the third drive motor are used to drive the spray part to move to a position farthest from the transmission part.

7. A cleaning method for a felt cleaning device for tobacco processing according to claim 6, characterized in that: Before executing step S1, ensure that the needle nozzle is perpendicular to the spray pipe and the needle nozzle is extended in the direction of the needle nozzle.

8. The cleaning method of a felt cleaning device for tobacco processing according to claim 6, characterized in that: When executing step S4, the driving speed of the first driving motor is controlled by the PLC controller to ensure that after the felt completes one circle, the nozzle moves by the width of the water column on the cleaned felt.

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