CN102225409B - Tunnel type cleaning machine and method for cleaning cylindrical object by using same - Google Patents

Abstract

The invention discloses a tunnel type cleaning machine, which is provided with an installation frame body, a control system, a transmission system and a cleaning system, wherein the transmission system is arranged on the installation frame body, the cleaning system is arranged on the transmission system, the control system is connected with the transmission system and the cleaning system, the cylindrical objects are cleaned by the cleaning system in the process of being transmitted by the transmission system, the cleaning system comprises a soaking pool and a passivation pool, the cylindrical objects are washed in a soaking way by adopting the soaking pool, dry and hard attachments on the surfaces of the objects are convenient to clean, the product quality is improved, the cylindrical objects are passivated by adopting the passivation pool to produce an anti-rust layer, two procedures of oil spraying and drying in the prior art are replaced, the anti-rust effect on the surfaces of the objects is better, the electric energy required by a drying procedure after oil spraying is saved, the energy is saved, the pollution to the environment can be effectively reduced, and the continuous work can be uninterrupted, the production efficiency is improved. In addition, the invention also discloses a method for cleaning the column-shaped objects.

Description

Tunnel cleaning machine and method for cleaning cylindrical objects using the cleaning machine

technical field

The invention relates to a cleaning mechanism for cylindrical objects, in particular to a cleaning device for effectively cleaning cylindrical metal shell lithium batteries.

Background technique

With the development of microelectronics technology, miniaturized equipment is increasing day by day, which puts forward high requirements for power supply, and lithium batteries have entered a large-scale practical stage. Now, lithium batteries have already been widely used in mobile phones and notebook computers. , electric tools, electric vehicles, street lamp backup power supply, aviation lights, small household appliances and other electronic products, but due to the very active chemical properties of lithium metal, the processing, storage and use of lithium metal have very high environmental requirements, so lithium Battery production must be carried out under special environmental conditions. In the production of lithium batteries, the battery needs to be cleaned after rolling grooves, sealing and other processes before subsequent processes can be carried out. Whether the cleaning process can effectively remove the pollutants on the battery surface has a great impact on Its quality has a direct impact, so the cleaning process is particularly important in the battery production process.

The existing method for cleaning a cylindrical lithium battery generally includes the following steps: first, use 40°C warm water with detergent to scrub the battery, and then blow the battery with water after completion; then, use 45°C circulating water to clean the battery. Clean the battery, and blow water on the battery after completion; then, wipe and absorb water on the battery, and dry the battery with hot air at 130-180°C; finally, spray oil on the battery, and then Use 120°C hot air to dry the battery to complete the cleaning process of the battery; in the above cleaning method, there are the following deficiencies: First, it is difficult to clean the dry and hard attachments on the surface of the battery, which affects the product quality, and the subsequent cleaning water is Circulating water, and the use of contact water absorption, both of which will cause pollution to the battery; second, the use of oil spray to anti-rust treatment of the battery, the anti-rust effect is not good, and the drying process after oil injection consumes a lot of energy electricity, resulting in a waste of resources; third, there is no device for filtering and separating circulating water in the cleaning equipment, so the water needs to be changed every 8 hours during use, and the equipment cannot work continuously, which consumes water and electricity and is easy to cause pollution of the environment.

Therefore, there is an urgent need for a battery cleaning device that has good battery cleaning and antirust treatment effects, saves energy, and can reduce environmental pollution.

Contents of the invention

The object of the present invention is to provide a battery cleaning device with good battery cleaning and anti-rust treatment effects, energy saving and reduced environmental pollution.

Another object of the present invention is to provide a battery cleaning method, which can clean the battery more effectively, has a good anti-rust treatment effect, saves energy, and can reduce environmental pollution.

In order to achieve the above object, the technical solution of the present invention is to provide a tunnel cleaning machine suitable for cleaning cylindrical objects. The tunnel cleaning machine includes a mounting frame, a control system, a transmission system and a cleaning system. The transmission system is set on the mounting frame, the cleaning system is set on the transmission system, the control system is connected with the transmission system and the cleaning system, and the transmission system transmits the cylindrical objects Among them, the cleaning system cleans it, wherein the cleaning system includes a soaking pool, a passivation pool, a first cleaning mechanism, a second cleaning mechanism, an electric heating air box and a water tray, and the soaking pool and the passivation pool are all arranged on the mounting frame body, and the transmission system extends from the front end of the mounting frame body through the soaking pool and the passivation pool to the rear end of the mounting frame body, and passes through the After installing the bottom of the frame body, a circulating transmission channel is formed. The first cleaning mechanism, the second cleaning mechanism and the electric heating air box are all located above the transmission system, and the first cleaning mechanism is arranged between the soaking tank and the Between the passivation pool, the second cleaning mechanism is set between the passivation pool and the electric heating air box, and the water receiving basin is set under the transmission channel for recovering cleaning water.

Preferably, the transmission system includes a conveyor chain, a sprocket, a motor and a tensioning device, the sprocket is installed at the rear end of the mounting frame, and the motor and the tensioning device are both mounted on the mounting frame The bottom of the body, the conveyor chain passes through the soaking pool, the passivation pool, the sprocket, and the tensioning device successively from the front end of the mounting frame to form a circular transmission channel, and the sprocket is connected to the sprocket through the transmission chain. Motor connection.

Preferably, the first cleaning mechanism includes a brushing water spray pipe, a brush and a first water blowing pipe, the brush is arranged above the transmission channel, and the brushing water spray pipe is arranged above the brush , the first water blowing pipe is arranged above the transmission channel and between the brush and the passivation pool.

Preferably, a second water blowing pipe is further provided between the passivation tank and the second cleaning mechanism, and the second water blowing pipe is arranged above the transmission channel.

Preferably, the second cleaning mechanism includes a cleaning water spray pipe and a third water blowing pipe, the cleaning water spray pipe and the third water blowing pipe are both arranged above the transmission channel, and the third water blowing pipe is arranged on Between the cleaning water spray pipe and the electric heating air box, the cleaning water spray pipe is connected with the clean water hot water tank, and in the second cleaning mechanism, the high temperature non-circulating clean water of 60-85°C produced by the clean water hot water tank is used to replace The 45°C circulating water in the prior art cleans the object, the water temperature is increased to enhance the cleaning effect, and the non-circulating water is used to make the surface of the cleaned object cleaner.

Preferably, the soaking tank has a conical structure, the bottom of the soaking tank is provided with a first transmission wheel, and the conveying chain extends into the soaking tank along the front side wall of the soaking tank and passes through the first transmission wheel. A transmission wheel stretches out along the rear side wall of the soaking pool, and a positioning plate parallel to the front side wall and the rear side wall of the soaking pool is arranged above the conveying chain, and the positioning plate and the transporting chain The transmission channel is formed between them, and the cylindrical object is soaked and rinsed by using the improved soaking tank, which can effectively clean the dry and hard attachments on the surface of the object.

Preferably, the passivation tank has a conical structure, the bottom of the passivation tank is provided with a second transmission wheel, and the conveying chain extends into the passivation tank along the front side wall of the passivation tank. After passing through the second transmission wheel, it protrudes along the rear side wall of the passivation tank, and a positioning plate parallel to the front side wall and the rear side wall of the passivation tank is arranged above the conveyor chain. The transmission channel is formed between the plate and the conveying chain. The water temperature and passivating agent in the passivation pool can be determined according to the material of the object surface. Passivation treatment is used to produce an anti-rust layer, replacing the oil spray in the existing method and drying process, which saves the electric energy required for the drying process, and can optimize the anti-rust effect on the surface of the object.

Preferably, detectors and water level switches are provided in the immersion tank and the passivation tank, and the detectors include a pH detector and a turbidity detector to realize dynamic detection of the pH concentration and turbidity of water, and the pH detection The meter cooperates with the dispensing device to achieve the function of automatically adding detergent or passivation agent, and the turbidity detector cooperates with the solenoid valve to achieve the function of automatic water change. In this way, the soaking tank and passivation tank do not need to be changed every shift. Water can save 30-60 minutes per shift, realize the continuous operation of the washing machine, and improve production efficiency.

Preferably, the tunnel cleaning machine also includes a water purification system, the water purification system includes a filter, a separator and a filter, the filter is set in the water tray, and the separator is set in The bottom of the water receiving tray is connected with the water receiving tray, the middle part of the separator is respectively connected with the soaking pool and the filter, and the filter is connected with the scrubbing water spray of the first cleaning mechanism. The cleaning water recovered from the water tray is coarsely filtered by the filter installed on it, and then enters the separator to separate the suspended solids in the circulating water, so that the oil in the water is collected in the upper part of the separator and automatically removed, and the heavy objects are collected. The water is automatically removed from the lower part of the separator, and the water after separating the suspended matter flows out through the middle part of the separator, part of it is supplied to the soaking tank, and part of it flows into the filter. Recycling realizes the uninterrupted continuous operation of the washing machine, without changing the water every shift and reheating the water after re-changing, improving productivity, saving industrial water, and reducing environmental pollution.

Correspondingly, the method for cleaning cylindrical objects using the tunnel cleaning machine of the present invention includes the following steps: (1) Transfer the cylindrical objects into the soaking tank, and wash the cylindrical objects in warm water at 50°C with detergent added. Carry out soaking and rinsing; (2) Transfer the soaked and rinsed cylindrical objects to the bottom of the first cleaning mechanism, and spray 50°C warm water with low-foaming detergent from the scrubbing spray pipe to the brush. (3) Compressed air passes through the first water blowing pipe to dewater the cylindrical objects after scrubbing; (4) Transfer the cylindrical objects after dewatering through the first water blowing pipe to passivation pool, to passivate the surface of the cylindrical object; (5) dewater the passivated cylindrical object through the second blowing pipe with compressed air; (6) pass through the second blowing pipe to remove water The cylindrical objects are sent to the bottom of the second cleaning mechanism, and the cleaning water spray pipe sprays high-temperature water of 60-85°C to clean the cylindrical objects; (7) The compressed air passes through the third water blowing pipe to clean the cylindrical objects. The object is subjected to dewatering treatment; (8) The cylindrical object after dewatering by the third blowing pipe is transferred to the electric heating air box, and the cylindrical object is dried with 130°C hot air; (9) The dried Cylindrical object output.

In the above-mentioned method for cleaning cylindrical objects, warm water at 50°C with detergent is used in the immersion tank to replace the warm water at 40°C in the prior art to more effectively clean dry and hard attachments on the surface of cylindrical objects. Second, in the cleaning mechanism, the high-temperature non-circulating water of 60-85°C is used to replace the 45°C circulating water in the prior art to clean the objects, and the water temperature is increased to enhance the cleaning effect, and the non-circulating water is used to make the surface of the cleaned objects cleaner, and In the drying process, the original 130-180°C direct baking method is changed to an indirect 130°C hot air drying method, which can reduce the internal loss of the object.

Compared with the prior art, due to the tunnel cleaning machine of the present invention, its cleaning system includes a immersion tank and a passivation tank, and the immersion tank is used to carry out immersion flushing of cylindrical objects, which is convenient for cleaning dry and hard attachments on the surface of the objects and improves the product quality. quality, and passivation tank is used to passivate the surface of cylindrical objects to produce anti-rust layer, which replaces the two processes of oil spraying and drying in the prior art, so that the anti-rust effect on the surface of the object is better, and saves It reduces the power consumption required for the drying process after fuel injection, saves energy and effectively reduces environmental pollution, and can work continuously without interruption to improve production efficiency.

Description of drawings

Fig. 1 is a schematic structural view of the tunnel cleaning machine of the present invention.

Fig. 2 is a schematic diagram showing an enlarged structure of the immersion tank of the present invention.

Fig. 3 is a schematic diagram showing the enlarged structure of the passivation pool of the present invention.

Fig. 4 is a structural schematic diagram of the purification system of the present invention.

FIG. 5 is a schematic top view of the structure of FIG. 4 .

Fig. 6 is a schematic diagram of the state of the tunnel cleaning machine of the present invention.

Fig. 7 is a flowchart of a method for cleaning cylindrical objects.

Detailed ways

Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like elements.

As shown in Figure 1, the tunnel type cleaning machine 1 of the present invention is suitable for cleaning the cylindrical object 2, and the tunnel type cleaning machine includes a mounting frame body, a control system, a transmission system 10 and a cleaning system, and the mounting frame body is provided with a stainless steel The sheet box is beautiful and not easy to leak. The sheet box is designed with a PLC electric control box and a feeding table. The PLC electric control box is used to operate the washing machine, and the feeding table is used for the inflow of cylindrical objects 2. The transmission system 10 is arranged on the installation frame body, and penetrates from the front end of the installation frame body to the rear end of the installation frame body, the cleaning system is arranged on the transmission system 10, the control system and the The transmission system 10 is connected to the cleaning system, and the cleaning system cleans the cylindrical object 2 during the transmission system 10 .

As shown in Figures 1-3, the cleaning system includes a soaking tank 20, a first cleaning mechanism 30, a passivation tank 40, a second cleaning mechanism 50, an electric heating air box 60 and a water receiving tray 70. The soaking tank 20, The passivation pool 40 is all arranged on the mounting frame body; the transmission system 10 includes a conveyor chain 101, a sprocket wheel 102, a motor 104 and a tensioning device 105, and the sprocket wheel 102 is installed at the rear of the mounting frame body end, the motor 104 and the tensioning device 105 are all installed at the bottom of the mounting frame body, and the conveying chain 101 passes through the soaking tank 20, the passivation tank 40, the chain in sequence from the front end of the mounting frame body The wheel 102 and the tightening device 105 form a circular transmission channel, and the sprocket 102 is connected with the motor 104 through a transmission chain 103; the first cleaning mechanism 30, the second cleaning mechanism 50 and the electric heating air box 60 are all located in the Above the conveyor chain 101, and the first cleaning mechanism 30 is set between the soaking pool 20 and the passivation pool 40, and the second cleaning mechanism 50 is set between the passivation pool 40 and the electric heater Between the bellows 60, the water receiving basin 70 is arranged below the conveying chain 101 for recycling cleaning water; specifically, the first cleaning mechanism 30 includes a scrubbing water spray pipe 301, a hair brush 302 and a first water blowing pipe 303, The brush 302 is arranged above the conveyor chain 101, the scrubbing spray pipe 301 is arranged above the brush 302, and the first water blowing pipe 303 is arranged above the conveyor chain 101 and is located on the brush 302. Between the passivation pool 40, the second cleaning mechanism 50 includes a cleaning water spray pipe 501 and a third water blowing pipe 503, and the third water blowing pipe 503 is arranged between the cleaning water spray pipe 501 and the electric heating air box 60. A second water blowing pipe 502 is also arranged between the cleaning water spray pipe 501 and the passivation tank 40, and the cleaning water spray pipe 501, the second water blowing pipe 502 and the third water blowing pipe 503 are all arranged above the conveyor chain 101, and The cleaning water spray pipe 501 communicates with the cleaning hot water tank 504 , and the electric heating tube 505 is arranged in the cleaning hot water tank 504 .

Both the immersion pool 20 and the passivation pool 40 have a conical structure, and the bottom of the immersion pool 20 is provided with a first transmission wheel 201, and the conveying chain 101 extends into the immersion pool 20 along the front side wall. In the immersion tank 20 and after passing through the first transmission wheel 201, it protrudes along the rear side wall of the immersion tank 20, and the conveyor chain 101 is provided with a front and rear side wall parallel to the immersion tank 20. The positioning plate 202 of the wall, the transmission channel is formed between the positioning plate 202 and the conveying chain 101, the upper end of the soaking tank 20 is also provided with a tensioning device 203, and the soaking tank 20 is also provided with a detector 204 and Water level switch 205, detector 204 comprises pH detector and turbidity detector; The side wall extends into the passivation tank 40, passes through the second transmission wheel 401 and then protrudes along the rear side wall of the passivation tank 40, and the conveyor chain 101 is provided with a belt parallel to the passivation tank. The positioning plate 402 of the front side wall and the rear side wall of 40, the transmission channel is formed between the positioning plate 402 and the conveying chain 101, and a tensioning device 403 is also arranged above the passivation pool, and the passivation pool 40 There is also a detector 404 and a water level switch 405 inside. The detector 404 includes a pH detector and a turbidity detector; The detector and the solenoid valve cooperate to achieve the function of automatic water change. In this way, there is no need to change the water every shift, and each shift can save 30 to 60 minutes of time, realizing the continuous operation of cleaning agents and improving production efficiency.

In conjunction with Fig. 1, Fig. 4, shown in Fig. 5, the tunnel type cleaning machine of the present invention also comprises water purification system 80, and water purification system 80 comprises filter screen 81, separator 82 and filter 83, and described filter screen 81 is arranged on the In the water receiving tray 70, the separator 82 is arranged below the water receiving tray 70, the top of the separator 82 is provided with a dirty oil outlet 821, and the bottom is provided with an overflow pipe outlet 822 and a sludge outlet 832 , the sludge discharge port 832 is provided with a solenoid valve, the inside of the separator 82 is also provided with a pH and turbidity detector 824, a water level switch 825 and a temperature detector 826, and one side of the middle part of the separator 82 is connected to the water receiving The disc 70 communicates, and the other side of the middle part of the separator 82 communicates with the bottom of the filter 83 through a water pump 827, and the top of the filter 83 communicates with the brushing water spray pipe 301 of the first cleaning mechanism 30, and filters The device 83 includes the first, second and third filters 831, 832, 833 arranged side by side; the cleaning water recovered by the water receiving tray 70 is coarsely filtered by the filter screen 81 installed thereon, and enters the separator 82 to circulate The suspended solids in the water are separated, so that the oil in the water is collected in the upper part of the separator 82 and automatically discharged through the dirty oil discharge port 821, and the heavy objects are collected in the lower part of the separator 82 and automatically discharged through the sludge discharge port 823. The water after the suspended solids flows out through the middle part of the separator 82, a part is supplied to the immersion tank 20, and the other part flows to the first filter 831, the second filter 832, and the third filter 833 through the water pump 827. 2. The third filter 831, 832, 833 finely filters the circulating water and sends it to the first cleaning mechanism 30 for recycling, so as to realize the uninterrupted continuous operation of the cleaning machine, without changing the water every shift and replacing the water Re-heating, increase productivity, and save industrial water, while reducing environmental pollution.

As shown in Figure 7, the method for using the tunnel cleaning machine of the present invention to clean cylindrical objects comprises the following steps:

(S1) Transfer the cylindrical object into the soaking tank, soak and rinse the cylindrical object in warm water at 50°C with detergent added;

(S2) Transfer the soaked and rinsed cylindrical objects to the bottom of the first cleaning mechanism, and spray 50°C warm water with low-foaming detergent from the scrubbing spray pipe to the brush, and the brush cleans the cylindrical objects scrub;

(S3) Compressed air passes through the first water blowing pipe to dewater the cylindrical objects after scrubbing;

(S4) Transferring the cylindrical object after water removal by the first water blowing pipe to the passivation tank, and performing surface passivation treatment on the cylindrical object;

(S5) Compressed air passes through the second water blowing pipe to dewater the passivated cylindrical object;

(S6) Transfer the cylindrical object after dewatering through the second water blowing pipe to the bottom of the second cleaning mechanism, and spray high-temperature water at 60-85°C from the cleaning water spray pipe to clean the cylindrical object;

(S7) Compressed air passes through the third water blowing pipe to dewater the cleaned cylindrical objects;

(S8) Transfer the cylindrical object after dewatering through the third blowing pipe to the electric heating air box, and use 130°C hot air to dry the cylindrical object;

(S9) Outputting the dried cylindrical object.

In the above-mentioned method for cleaning the cylindrical object 2, warm water at 50°C with detergent is used in the immersion tank 20 to replace the warm water at 40°C in the prior art, so as to more effectively clean the dry and hard attachments on the surface of the cylindrical object 2. objects, and the second cleaning mechanism 50 uses 60-85°C high-temperature non-circulating clear water to replace the 45°C circulating water in the prior art to clean the object 2, increase the water temperature to enhance the effect of the cleaning agent, and use non-circulating water to make cleaning The surface of the finished object 2 is cleaner, and in the drying process, the original 130-180°C direct baking method is changed to indirect 130°C hot air drying to reduce the loss to the inside of the object 2.

With reference to Fig. 6 and Fig. 7, the working process of the tunnel type cleaning machine of the present invention for cleaning a cylindrical metal-shell lithium battery is taken as an example to illustrate its working process.

The cylindrical battery 2 flows into the conveyor chain 101 at the front end of the cleaning machine 1 from the previous process, and the conveyor chain 101 advancing at a linear speed automatically rolls forward, and the cylindrical battery 2 on the conveyor chain 101 can rotate in reverse and advance, and the conveyor chain 101 The linear speed is adjustable by frequency conversion of the motor 104, and thus the length of cleaning time for the battery 2 is controlled within a certain range; ℃ warm water, the battery 2 is soaked and rinsed in the immersion pool 20 to remove dry and hard attachments on the surface of the battery 2, and the pH detector in the immersion pool 20 cooperates with the dispensing device to achieve the purpose of automatically adding detergent. The turbidity detector and the solenoid valve cooperate to achieve automatic water change; after soaking and rinsing are completed, the battery 2 is transported to the bottom of the scrubbing water spray pipe 301 of the first cleaning mechanism 30, and the scrubbing water spray pipe 301 is sprayed out and pressurized by the water pump. 50°C hot water, and the battery 2 is scrubbed by the brush 302. After the cleaning is completed, the compressed air passes through the first water blowing pipe 303 to dewater the battery 2, and then the battery 2 is transported to the passivation pool 40 for passivation. The water temperature in the chemical tank 40 and the selection of the passivating agent can be determined according to specific objects. In this embodiment, the potassium bicatalyte solution is used to soak the battery 2 in water at 80-90° C. for 2-3 minutes. Yes, and the PH detector in the passivation tank 40 cooperates with the dispensing device to realize the function of automatically adding passivating agent, and the turbidity detector cooperates with the electromagnetic valve to achieve the function of automatic water change. In this way, the immersion tank 20 and the passivation The chemical tank 40 does not need to change water every shift, which can save 30 to 60 minutes per shift, realize the continuous operation of the cleaning machine, and improve production efficiency; Water treatment, and then the battery is transported to the bottom of the cleaning water spray pipe 501, and the cleaning water spray pipe 501 sprays high-temperature water of 60-85°C produced by the cleaning hot water tank 504 to clean the battery 2 with non-circulating water. The cleaning process The remaining water in the water flows into the separator 82, and the waste heat of the remaining water is used for the automatic water exchange of the separator 82, and the cleaned battery 2 is sent to the third water blowing pipe 503, and the compressed air passes through the third water blowing pipe 503 to The battery 2 is dewatered, and then the battery 2 is transported to the electric heating air box 60, and the battery 2 is dried with 130°C hot air, and finally the dried battery 2 flows out from the slide plate at the rear end of the cleaning machine 1, and the cleaning process is completed. Cleaning of battery 2.

Because the tunnel cleaning machine 1 of the present invention, its cleaning system comprises immersion tank 20, passivation tank 40, adopts immersion tank 20 to carry out immersion type flushing to cylindrical battery 2, is convenient to clean the dry and hard attachment on the surface of battery 2, improves product quality , using a passivation pool 40 to carry out surface passivation treatment on the cylindrical battery 2 to produce an anti-rust layer, replacing the two processes of oil injection and drying in the prior art, so that the anti-rust effect on the surface of the battery 2 is better, and It saves the power consumption required for the drying process after fuel injection, saves energy and can effectively reduce environmental pollution, and can work fully automatically and continuously without interruption to improve production efficiency.

The tunnel cleaning machine of the present invention is not limited to cleaning cylindrical batteries, but can also be used for cleaning similar cylindrical objects according to actual needs.

What is disclosed above is only a preferred embodiment of the present invention, and of course it cannot limit the scope of rights of the present invention. Therefore, equivalent changes made according to the patent scope of the present invention still fall within the scope of the present invention.

Claims (10)

1. A tunnel cleaning machine, suitable for cleaning cylindrical objects, said tunnel cleaning machine comprising a mounting frame, a control system, a transmission system and a cleaning system, said transmission system being arranged on said mounting frame , the cleaning system is arranged on the transmission system, the control system is connected to the transmission system and the cleaning system, and the cleaning system cleans the cylindrical objects during the transmission process of the transmission system, It is characterized by: The cleaning system includes a soaking tank, a passivation tank, a first cleaning mechanism, a second cleaning mechanism, an electric heating air box and a water tray, the soaking tank and the passivation tank are all arranged on the mounting frame body, and the transmission The system extends from the front end of the mounting frame body through the soaking pool and the passivation pool to the rear end of the mounting frame body, and forms a circulating transmission channel after passing through the bottom of the mounting frame body. The first cleaning mechanism, the second cleaning mechanism and the electric heating air box are all located above the transmission system, and the first cleaning mechanism is set between the soaking pool and the passivation pool, and the second cleaning mechanism is set Between the passivation pool and the electric heating air box, the water receiving basin is arranged below the transmission channel for recovering cleaning water. 2. The tunnel cleaning machine according to claim 1, wherein the transmission system includes a conveyor chain, a sprocket, a motor and a tensioning device, and the sprocket is installed at the rear end of the mounting frame, Both the motor and the tensioning device are installed at the bottom of the mounting frame body, and the conveying chain passes through the soaking pool, passivation pool, sprocket, and tensioning device sequentially from the front end of the mounting frame body to form a A circular transmission channel, the sprocket is connected with the motor through a transmission chain. 3. The tunnel cleaning machine according to claim 1, wherein the first cleaning mechanism includes a scrubbing spray pipe, a hair brush and a first water blowing pipe, and the hair brush is arranged above the transmission channel, The scrubbing water spray pipe is arranged above the brush, and the first water blowing pipe is arranged above the transmission channel and between the brush and the passivation pool. 4. The tunnel cleaning machine according to claim 1, characterized in that: a second blowing pipe is also arranged between the passivation tank and the second cleaning mechanism, and the second blowing pipe is arranged on the above the transmission channel. the 5. The tunnel cleaning machine according to claim 1, characterized in that: the second cleaning mechanism includes a cleaning water spray pipe and a third water blowing pipe, and the cleaning water spray pipe and the third water blowing pipe are both arranged on the Above the transmission channel, the third water blowing pipe is arranged between the cleaning water spray pipe and the electric heating air box, and the cleaning water spray pipe communicates with the fresh water hot water tank. 6. The tunnel cleaning machine according to claim 2, characterized in that: the soaking tank is in a conical structure, the bottom of the soaking tank is provided with a first transmission wheel, and the conveying chain is along the bottom of the soaking tank. The front side wall extends into the soaking tank, passes through the first transmission wheel and then protrudes along the rear side wall of the soaking tank, and the front side wall and the rear side of the soaking tank are arranged above the conveying chain. The positioning plate of the wall, the transmission channel is formed between the positioning plate and the conveying chain. 7. The tunnel cleaning machine according to claim 2, characterized in that: the passivation tank is in a conical structure, the bottom of the passivation tank is provided with a second transmission wheel, and the conveying chain moves along the passivation tank. The front side wall of the passivation tank extends into the passivation tank, passes through the second transmission wheel and then protrudes along the rear side wall of the passivation tank. The positioning plate on the front side wall and the rear side wall, the transmission channel is formed between the positioning plate and the conveying chain. 8. The tunnel cleaning machine according to claim 6 or 7, characterized in that: detectors and water level switches are provided in the soaking tank and the passivation tank, and the detectors include pH detectors and turbidity probe meter. 9. The tunnel cleaning machine according to claim 1, characterized in that: it also includes a water purification system, the water purification system includes a filter screen, a separator and a filter, and the filter screen is arranged on the water receiving tray Inside, the separator is arranged under the water receiving tray and communicates with the water receiving tray, the middle part of the separator communicates with the soaking pool and the filter respectively, and the filter communicates with the The first cleaning mechanism is connected. 10. A method of using the tunnel cleaning machine as claimed in claim 1 to clean a cylindrical object, wherein the first cleaning mechanism includes a scrubbing spray pipe, a hair brush and a first water blowing pipe, and the hair brush is provided with Above the transmission channel, the brushing water spray pipe is arranged above the brush, and the first water blowing pipe is arranged above the transmission channel and between the brush and the passivation pool, The second cleaning mechanism includes a cleaning water spray pipe and a third water blowing pipe, the cleaning water spray pipe and the third water blowing pipe are both arranged above the transmission channel, and the third water blowing pipe is arranged on the cleaning spray pipe Between the water pipe and the electric heating air box, the cleaning water spray pipe communicates with the fresh water hot water tank, and a second water blowing pipe is also provided between the passivation pool and the second cleaning mechanism. The water pipe is arranged above the transmission channel, and it is characterized in that it includes the following steps: (1) Transfer the cylindrical object into the soaking tank, soak and rinse the cylindrical object in warm water at 50°C with detergent added; (2) Transfer the soaked and rinsed cylindrical objects to the lower part of the first cleaning mechanism, and the brushing spray pipe sprays 50°C warm water with low-foaming detergent to the brush, and the brush cleans the cylindrical objects. scrub; (3) Compressed air passes through the first water blowing pipe to dewater the cylindrical objects after scrubbing; (4) Transfer the cylindrical object after dewatering through the first water blowing pipe to the passivation tank, and perform surface passivation treatment on the cylindrical object; (5) Compressed air passes through the second water blowing pipe to dewater the passivated cylindrical objects; (6) Transfer the cylindrical objects dewatered by the second water blowing pipe to the bottom of the second cleaning mechanism, and spray high-temperature water of 60-85°C from the cleaning water spray pipe to clean the cylindrical objects; (7) Compressed air passes through the third water blowing pipe to dewater the cleaned cylindrical objects; (8) Transfer the cylindrical object after dewatering by the third water blowing pipe to the electric heating air box, and use 130°C hot air to dry the cylindrical object; (9) Output the dried cylindrical objects. the

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