CN116103863B

CN116103863B - Towel processing environment-friendly printing and dyeing device

Info

Publication number: CN116103863B
Application number: CN202310352474.1A
Authority: CN
Inventors: 张珂
Original assignee: Nantong Third Towel Factory Co ltd
Current assignee: Nantong Third Towel Factory Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-06-30
Anticipated expiration: 2043-04-04
Also published as: CN116103863A

Abstract

The invention relates to the technical field of towel processing, in particular to an environment-friendly towel processing printing and dyeing device, which comprises a printing and dyeing tank, a drain pipe and a filter cartridge, wherein one side surface of the printing and dyeing tank is communicated with the drain pipe, the drain pipe is communicated with a water pump, the right side surface of the printing and dyeing tank is provided with the filter cartridge, a filter screen cylinder is rotationally inserted into the filter cartridge through a driving shaft, a driving motor is fixed outside the bottom end of the filter cartridge, an output shaft of the driving motor is connected with the driving shaft, a rotating sleeve is connected inside the filter screen cylinder, a plurality of water absorbing sponges are placed in the filter screen cylinder, a sealing cover plate is movably covered on the upper surface of the filter screen cylinder, and a pipe orifice at the other end of the drain pipe is inserted above one side of the filter screen cylinder; the invention can realize the precise filtration treatment of the mixed large-particle, block-shaped or flocculent sundries in the waste liquid generated in the dyeing pond, and can improve the environmental protection and high efficiency of the dyeing device for towel processing and dyeing.

Description

Towel processing environment-friendly printing and dyeing device

Technical Field

The invention relates to the technical field of towel processing, in particular to an environment-friendly dyeing device for towel processing.

Background

The dyeing and finishing machine has many advantages and is suitable for dyeing hemp, cotton, rayon, blended seamless underwear, silk stockings, silk, plastics and the like. The towel is a cleaning article and is characterized in that the towel is a square pure cotton textile with soft texture. The application method comprises the steps of wringing out and wiping skin after wetting so as to achieve the effects of removing stains, cleaning and cooling.

When the processed towel is required to be printed, the existing processing workshops mostly slowly put the towel raw materials in reels into the printing dye liquor stored in the printing and dyeing pool, so that the other end of the towel raw materials passes through the printing and dyeing pool to be pulled out and wound, and further the printing and dyeing treatment of the towel raw materials is realized; and the waste liquid generated after printing and dyeing in the printing and dyeing tank is discharged through a drain pipe and then is filtered and subjected to chemical treatment.

Most of the conventional filtering treatment for the waste liquid is to directly filter large particles or blocky impurities suspended in the waste liquid by adopting a filter screen, but the flocculent impurities dropping off during printing and dyeing of the towel mixed in the waste liquid are difficult to filter efficiently, so that the subsequent treatment equipment is easy to block or the waste liquid is not treated cleanly, and the environment-friendly printing and dyeing of the towel processing by the printing and dyeing device is affected.

Disclosure of Invention

The invention aims to provide an environment-friendly towel processing printing and dyeing device, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a towel processing environment-friendly printing and dyeing device, includes printing and dyeing pond, drain pipe and cartridge filter, printing and dyeing pond side intercommunication has the drain pipe, and drain pipe and water pump intercommunication, the right flank in printing and dyeing pond sets up the cartridge filter, and is provided with waste water filtering mechanism in the cartridge filter, waste water filtering mechanism is arranged in filtering the clearance with the debris that mixes in the produced waste liquid after printing and dyeing in the printing and dyeing pond.

Preferably, the waste water filtering mechanism comprises a filter screen cylinder, a driving shaft, a rotating sleeve, a sealing cover plate and water absorbing sponge, wherein the filter screen cylinder is rotationally inserted in the filter cartridge through the driving shaft, a driving motor is externally fixed at the bottom end of the filter cartridge, an output shaft of the driving motor is connected with the driving shaft, the top end face of the driving shaft extends out of the filter screen cylinder and is internally connected with the rotating sleeve, a plurality of water absorbing sponge are placed in the filter screen cylinder, the sealing cover plate is movably covered on the upper surface of the filter screen cylinder, and the pipe orifice at the other end of the drain pipe is inserted above one side of the filter screen cylinder.

Preferably, the waste water filtering mechanism further comprises a supporting shaft, a connecting rod, a strip-shaped scraping plate, a threaded rod and a locking nut, wherein the supporting shaft is vertically installed at the center of the sealing cover plate, the supporting shaft is inserted into the filter screen cylinder, the bottom end face of the supporting shaft is rotationally inserted into the rotating sleeve, the circumferential array of the outer ring face of the supporting shaft is provided with a plurality of connecting rods, the strip-shaped scraping plate is vertically inserted on the connecting rods and vertically adjacent to the connecting rods, the outer side face of the strip-shaped scraping plate is in contact with the inner ring face of the filter screen cylinder in a fitting mode, the threaded rod is arranged on the top end face of the supporting shaft, the threaded rod is inserted into the center of the sealing cover plate, the locking nuts are arranged on the upper surface and the lower surface of the sealing plate, and the locking nuts are sleeved on the threaded rod.

Preferably, the terminal surface of connecting rod has run through and has seted up T type spout, the medial surface of bar scraper blade is provided with T type draw runner, and in the vertical slip of T type draw runner inserts T type spout, the locating hole has been seted up with bar scraper blade non-contact surface to T type draw runner, and has the reference column through the slip grafting of spring in the locating hole, the upper surface to the connecting rod is laminated in the reference column slip.

Preferably, the lateral surface of bar scraper blade is fixed with the arc and scrapes the strip, and the outer terminal surface that the arc scraped the strip and the extrusion contact of filter screen cylinder inner circle face, the lower surface mounting of bar scraper blade has a collection net section of thick bamboo, and the collection net section of thick bamboo is located the arc and scrape the strip under, the mesh diameter of collection net section of thick bamboo is less than the mesh diameter of filter screen section of thick bamboo.

Preferably, the bottom end surface of the filter screen cylinder is internally fixed with a guide table, the outer ring surface of the bottom end of the supporting shaft is provided with a connecting ring, the outer ring surface of the connecting ring is detachably connected with a scraping cylinder, the rear of the scraping cylinder is provided with a filter screen bag, and the lower surface of the scraping cylinder is in rotary contact with the surface of the guide table.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the waste water filtering mechanism is arranged in the filter cartridge, the waste liquid discharged by the drain pipe is adsorbed by the plurality of water absorbing sponges placed in the filter screen cylinder, and when the water absorbing amount of the plurality of water absorbing sponges reaches saturation, the filter screen cylinder is driven by the driving shaft to rotate at a high speed in the filter cartridge, the filter screen cylinder rotating at the high speed can generate centrifugal force on the water absorbing sponges, so that the residual waste liquid absorbed in the water absorbing sponges can be centrifugally dried and discharged into the filter cartridge, and meanwhile, large particles, blocky or flocculent impurities mixed in the waste liquid can remain in the water absorbing sponges, so that the precise filtering treatment of the large particles, blocky or flocculent impurities mixed in the waste liquid generated in the dyeing pool is conveniently realized, and the environmental protection and high efficiency of the dyeing device for towel processing and dyeing can be improved.

According to the invention, the detachable support shaft is arranged on the sealing cover plate, the strip-shaped scraping plate is arranged on the support shaft through the connecting rod, and when the strip-shaped scraping plate is inserted into the filter screen cylinder, the slow rotation of the filter screen cylinder can scrape and clean sundries adhered to the inner ring surface of the filter screen cylinder through the contacted strip-shaped scraping plate, so that the phenomenon that meshes of the filter screen cylinder are blocked due to excessive sundries adhered to the inner part of the filter screen cylinder can be prevented, and when the filter screen cylinder is cleaned, the support shaft is pulled out from the filter screen cylinder, so that the strip-shaped scraping plate is separated from the inner ring surface of the filter screen cylinder, and further, the continuous filtration treatment of waste liquid by the filter screen cylinder is not influenced.

According to the invention, the strip-shaped scraping plate is matched with the T-shaped sliding strip through the T-shaped sliding strip and the T-shaped sliding groove, when a new strip-shaped scraping plate is required to be connected with the connecting rod, at the moment, a worker inserts the T-shaped sliding strip from the T-shaped sliding groove formed in the lower connecting rod and then continuously pushes the strip-shaped scraping plate upwards, so that the positioning column arranged on the side surface of the T-shaped sliding strip slides to the upper part of the connecting rod, and at the moment, the end head of the positioning column can extend out of the positioning hole under the pushing of the spring, so that the T-shaped sliding strip can be positioned and supported conveniently, and the strip-shaped scraping plate on the connecting rod can be detached, replaced or cleaned conveniently.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a cross-sectional view of a filter cartridge of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2A in accordance with the present invention;

FIG. 4 is an enlarged view of a portion of the invention at B in FIG. 2;

FIG. 5 is a schematic structural view of the water absorbing sponge of the present invention.

In the figure: 1. a printing and dyeing pond; 2. a drain pipe; 3. a filter cartridge; 4. a waste water filtering mechanism; 41. a filter screen cylinder; 42. a drive shaft; 43. a rotating sleeve; 44. sealing the cover plate; 45. a water absorbing sponge; 46. a support shaft; 47. a connecting rod; 471. a T-shaped chute; 48. a strip-shaped scraping plate; 49. a threaded rod; 5. a lock nut; 6. a T-shaped slide bar; 61. positioning holes; 7. positioning columns; 8. arc scraping strips; 9. collecting net barrels; 10. a diversion table; 11. a connecting ring; 12. a scraping cylinder; 13. a filter screen bag.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1:

as shown in fig. 1 to 5, the invention provides a technical scheme of an environment-friendly dyeing device for towel processing, which comprises the following steps: the waste water treatment device comprises a printing and dyeing pond 1, a drain pipe 2 and a filter cartridge 3, wherein one side surface of the printing and dyeing pond 1 is communicated with the drain pipe 2, the drain pipe 2 is communicated with a water pump, the right side surface of the printing and dyeing pond 1 is provided with the filter cartridge 3, the filter cartridge 3 is internally provided with a waste water filtering mechanism 4, and the waste water filtering mechanism 4 is used for filtering and cleaning sundries mixed in waste liquid generated after printing and dyeing in the printing and dyeing pond 1; when the dyeing machine works, when the processed towel is required to be dyed, the existing processing workshops mostly slowly put the towel raw materials in reels into the printing and dyeing liquid stored in the dyeing pond 1, so that the other end of the towel raw materials passes through the dyeing pond 1 to be pulled out and wound, and further the dyeing treatment of the towel raw materials is realized; the waste liquid generated after printing and dyeing in the printing and dyeing tank 1 is discharged through the drain pipe 2 and is required to be filtered and then subjected to chemical treatment, most of the traditional waste liquid filtering treatment is to directly filter large particles or blocky sundries suspended in the waste liquid by adopting a filter screen, and the flocculent sundries falling off during printing and dyeing of towels mixed in the waste liquid are difficult to filter efficiently, so that subsequent treatment equipment is easy to be blocked or the waste liquid is not treated cleanly, and further the environment-friendly printing and dyeing of towel processing by a printing and dyeing device is affected; therefore, the filter cartridge 3 is arranged at the drain pipe 2, the waste water filtering mechanism 4 is arranged in the filter cartridge 3, when waste liquid in the printing and dyeing pond 1 is injected into the filter cartridge 3 through the drain pipe 2 and the water pump, the waste water filtering mechanism 4 rotating in the filter cartridge 3 can directly carry out centrifugal filtering cleaning on large-particle, block-shaped or flocculent sundries mixed in the waste liquid under the centrifugal force generated by high-speed rotation, and the large-particle, block-shaped or flocculent sundries generated after centrifugation can be directly remained in the waste water filtering mechanism 4, so that the waste liquid after filtration is not directly discharged into the chemical reaction pond for chemical reaction, further, the influence on subsequent treatment equipment is avoided, and the environmental protection and high efficiency of the printing and dyeing device on towel processing and dyeing can be improved.

As shown in fig. 2 and fig. 5, the waste water filtering mechanism 4 includes a filter screen cylinder 41, a driving shaft 42, a rotating sleeve 43, a sealing cover plate 44 and a water absorbing sponge 45, the filter screen cylinder 41 is rotatably inserted in the filter cartridge 3 through the driving shaft 42, a driving motor is fixed at the outer part of the bottom end of the filter cartridge 3, an output shaft of the driving motor is connected with the driving shaft 42, the top end surface of the driving shaft 42 extends out of the filter screen cylinder 41 and is internally connected with the rotating sleeve 43, a plurality of water absorbing sponge 45 are placed in the filter screen cylinder 41, the sealing cover plate 44 is movably covered on the upper surface of the filter screen cylinder 41, and a pipe orifice at the other end of the drain pipe 2 is inserted above one side of the filter screen cylinder 41; when the waste liquid generated in the dyeing tank 1 is required to be filtered, a worker puts a plurality of water-absorbing sponges 45 into the filter cylinder 3, the water-absorbing sponges 45 can be in a block shape, a strip shape or a sphere shape and the like, then the sealing cover plate 44 is directly covered above the filter screen cylinder 41, the sealing cover plate 44 is connected with the cover plate of the filter cylinder 3 at the moment, the sealing cover plate 44 does not rotate along with the filter screen cylinder 41, the worker controls the water pump to work through the control box at the side surface of the dyeing tank 1, the waste liquid in the dyeing tank 1 can be discharged into the filter screen cylinder 41 through the water discharge pipe 2, the water-absorbing sponges 45 in the filter screen cylinder 41 absorb the waste liquid, large particles, blocks or wool-like impurities mixed in the waste liquid can remain in the water-absorbing sponges 45, and the filtered waste liquid can enter the filter cylinder 3 through the filter screen cylinder 41, then the drain pipe on the side surface of the filter cylinder 3 is used for discharging a certain amount of waste liquid, the water pump is turned off at the moment in a fixed time or in a fixed quantity, then the driving motor below the filter cylinder 3 is controlled to work, so that the output shaft of the driving motor can drive the filter screen cylinder 41 to rotate at a high speed in the filter cylinder 3 through the driving shaft 42, the filter screen cylinder 41 rotating at a high speed can generate centrifugal force on the water absorbing sponge 45, further the waste liquid which is absorbed and remained in the water absorbing sponge 45 can be discharged into the filter cylinder 3 through centrifugal drying, then the water pump is started to work again, at the moment, the waste liquid can be continuously discharged into the filter screen cylinder 41 through the water absorbing sponge 45 for absorption and filtration, then the driving motor is continuously operated, the waste liquid absorbed by the water absorbing sponge 45 is subjected to centrifugal drying, and the steps are repeated, thereby being convenient for realizing the precise filtration treatment of the mixed large-particle, block-shaped or flocculent sundries in the waste liquid generated in the dyeing pond 1, and improving the environmental protection and high efficiency of the dyeing device for towel processing and dyeing; when the water absorbing sponge 45 in the filter screen cylinder 41 is used for a period of time, the sealing cover plate 44 is opened by a worker at this time, the water absorbing sponge 45 with impurities remained in the filter screen cylinder 41 is taken out, and then a new water absorbing sponge 45 is put into the filter screen cylinder 41 for restarting, so that the waste liquid generated in the printing and dyeing pond 1 is filtered rapidly and efficiently.

As shown in fig. 2 to 4, the waste water filtering mechanism 4 further includes a support shaft 46, a connecting rod 47, a bar scraper 48, a threaded rod 49 and a lock nut 5, the support shaft 46 is vertically installed at the center of the seal cover plate 44, the support shaft 46 is inserted into the filter screen cylinder 41, the bottom end surface of the support shaft 46 is rotatably inserted into the rotating sleeve 43, a plurality of connecting rods 47 are circumferentially arranged on the outer ring surface of the support shaft 46, the vertically adjacent connecting rods 47 are vertically inserted with the bar scraper 48, the outer side surface of the bar scraper 48 is in contact with the inner ring surface of the filter screen cylinder 41, the top end surface of the support shaft 46 is provided with the threaded rod 49, the threaded rod 49 is inserted into the center of the seal cover plate 44, the lock nut 5 is arranged on the upper surface and the lower surface of the seal plate, and the lock nut 5 is sleeved on the threaded rod 49; when the filter screen cylinder 41 rotates at a high speed to perform water throwing treatment on the water absorbing sponge 45, the filtered impurities adhered on the water absorbing sponge 45 can synchronously adhere to the inner wall of the filter screen cylinder 41 along with the waste liquid, so that a large amount of impurities are adhered to the inner wall of the filter screen cylinder 41; therefore, after the staff opens the sealing cover plate 44, take out the water absorbing sponge 45 in the filter screen cylinder 41, at this moment, the staff first cup joints one of the lock nuts 5 on the threaded rod 49, then pass the threaded rod 49 through the centre bore of the sealing cover plate 44, and then connect the other lock nut 5 to the threaded rod 49, make two lock nuts 5 be located the upper and lower surfaces of the sealing cover plate 44 respectively, and then be convenient for dismantle the back shaft 46 and be connected to the sealing cover plate 44, then the staff closes the sealing cover plate 44 on the filter screen cylinder 41 again, make the bottom of the back shaft 46 can insert and support in the rotating sleeve 43, at this moment the bar scraper 48 can contact with the inner wall of the filter screen cylinder 41, then start the driving motor below the filter cartridge 3 and slowly rotate, at this moment the rotation of the filter screen cylinder 41 can pass the bar scraper 48 of contact with the debris of filter screen cylinder 41 inner race face adhesion, thereby can prevent that the debris of filter screen cylinder 41 inside adhesion from producing the jam to its mesh and then influence the filter screen cylinder 41 and discharge efficiency to the filtration of waste liquid, and after the staff has finished scraping the adhesion of the inner wall of the filter screen cylinder 41, then the staff closes the sealing cover plate 44 on the filter screen cylinder 41, make the bottom of the back shaft 46 can insert into the rotating sleeve 43, then take out the sponge 45 from the inner wall of the sealing cover plate 41 from the inner face of the filter screen cylinder 41, and take out the sponge 45 from the inner face of the sealing cover plate 45, then take out the sponge 45 from the sealing cover plate from the inner face of the filter screen cylinder 41, and take out the sealing cover plate 45 and keep the water absorbing sponge 45, and take out the water, and take out the inner sealing sponge 45.

As shown in fig. 3 and 4, the end surface of the connecting rod 47 is provided with a T-shaped chute 471 in a penetrating manner, the inner side surface of the strip-shaped scraping plate 48 is provided with a T-shaped sliding bar 6, the T-shaped sliding bar 6 is vertically inserted into the T-shaped chute 471 in a sliding manner, the non-contact surface of the T-shaped sliding bar 6 and the strip-shaped scraping plate 48 is provided with a positioning hole 61, a positioning column 7 is inserted into the positioning hole 61 in a sliding manner through a spring, and the positioning column 7 is attached to the upper surface of the connecting rod 47 in a sliding manner; during operation, in order to be convenient for change the bar scraper 48 of wearing and tearing or clear up the debris of bar scraper 48 surface adhesion, after seal apron 44 is taken off from filter screen cylinder 41, after need with trading one of them bar scraper 48, the staff presses the reference column 7 of T type draw runner 6 side simultaneously this moment, make reference column 7 can compress to locating hole 61 in, then pull down bar scraper 48, make T type draw runner 6 can follow T type spout 471 in, and then make connecting rod 47 can break away from the connection with bar scraper 48, thereby be convenient for clear up the debris of bar scraper 48 surface adhesion, when needs are connected with connecting rod 47 with new bar scraper 48, the staff inserts the T type spout 471 that opens on the connecting rod 47 of T type draw runner 6 follow below this moment, then constantly upwards promote bar scraper 48, make the reference column 7 that T type draw runner 6 side set up slide to the top of connecting rod 47, and the end of reference column 7 can stretch out from locating hole 61 under the promotion of spring this moment, and then be convenient for take over the effect of supporting to T type draw runner 6 to the connecting rod 47, thereby the change the bar scraper 48 of being convenient for take place on the bar scraper 47 is convenient for change the bar scraper 48.

As shown in fig. 2 to 4, an arc-shaped scraping strip 8 is fixed on the outer side surface of the strip-shaped scraping strip 48, the outer end surface of the arc-shaped scraping strip 8 is in extrusion contact with the inner ring surface of the filter screen cylinder 41, a collecting net cylinder 9 is fixed on the lower surface of the strip-shaped scraping strip 48, the collecting net cylinder 9 is positioned right below the arc-shaped scraping strip 8, and the mesh diameter of the collecting net cylinder 9 is smaller than that of the filter screen cylinder 41; during operation, set up arc in the side of bar scraper 48 and scrape strip 8, when bar scraper 48 and filter screen cylinder 41 inner race face rotation contact, arc is scraped strip 8 and can be scraped the debris of filter screen cylinder 41 inner race face adhesion this moment in step, and the debris that contains moisture scraped can flow down along arc and scrape strip 8 in the collection net section of thick bamboo 9, and the mesh can discharge the moisture in the debris on the collection net section of thick bamboo 9, and debris can be stored in collection net section of thick bamboo 9, and then after sealed apron 44 is dismantled from filter screen cylinder 41, bar scraper 48 is dismantled the back from connecting rod 47, collection net section of thick bamboo 9 can follow bar scraper 48 and dismantle from connecting rod 47 this moment in step, and then the staff of being convenient for is cleared up to collection storage debris in the collection net section of thick bamboo 9.

As shown in fig. 2 to 4, a diversion table 10 is fixed inside the bottom end surface of the filter screen cylinder 41, a connecting ring 11 is arranged on the bottom end outer ring surface of the supporting shaft 46, a scraping cylinder 12 is detachably connected to the outer ring surface of the connecting ring 11, a filter screen bag 13 is arranged behind the scraping cylinder 12, and the lower surface of the scraping cylinder 12 is in rotary contact with the surface of the diversion table 10; when the support shaft 46 is inserted into the filter screen cylinder 41, the scraping cylinder 12 on the outer ring surface below the support shaft 46 is attached to the guide table 10, so that along with continuous rotation of the filter screen cylinder 41, the scraping cylinder 12 can scrape sundries adhered to the surface of the guide table 10, the scraped sundries can enter the filter screen bag 13 to be collected along with the impact of moisture, after the support shaft 46 is taken out of the filter screen cylinder 41, the worker takes the scraping cylinder 12 off the outer ring surface of the connecting ring 11, then the filter screen bag 13 and the scraping cylinder 12 are cleaned, and further the sundries adhered to the bottom end of the filter screen cylinder 41 are scraped and cleaned conveniently, so that the filtering and cleaning effect of the filter screen cylinder 41 on waste liquid can be improved.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an environment-friendly printing and dyeing device for towel processing, includes printing and dyeing pond (1), drain pipe (2) and cartridge filter (3), its characterized in that, printing and dyeing pond (1) side intercommunication has drain pipe (2), and drain pipe (2) and water pump intercommunication, the right flank of printing and dyeing pond (1) sets up cartridge filter (3), and is provided with waste water filtering mechanism (4) in cartridge filter (3), waste water filtering mechanism (4) are used for carrying out the filtration clearance with the debris that mixes in the waste liquid that produces after printing and dyeing in printing and dyeing pond (1);

the waste water filtering mechanism (4) comprises a filter screen cylinder (41), a driving shaft (42), a rotating sleeve (43), a sealing cover plate (44) and a water absorbing sponge (45), the filter screen cylinder (41) is rotationally inserted in the filter cartridge (3) through the driving shaft (42), a driving motor is fixed outside the bottom end of the filter cartridge (3), an output shaft of the driving motor is connected with the driving shaft (42), the top end surface of the driving shaft (42) extends out of the filter screen cylinder (41) and is internally connected with the rotating sleeve (43), a plurality of water absorbing sponges (45) are placed in the filter screen cylinder (41), the sealing cover plate (44) is movably covered on the upper surface of the filter screen cylinder (41), and a pipe orifice at the other end of the drain pipe (2) is inserted above one side of the filter screen cylinder (41);

the waste water filtering mechanism (4) further comprises a supporting shaft (46), a connecting rod (47), a strip-shaped scraping plate (48), a threaded rod (49) and a lock nut (5), wherein the supporting shaft (46) is vertically arranged at the center of the sealing cover plate (44), the supporting shaft (46) is inserted into the filter screen cylinder (41), the bottom end surface of the supporting shaft (46) is rotationally inserted into the rotating sleeve (43), a plurality of connecting rods (47) are arranged on the circumferential array of the outer ring surface of the supporting shaft (46), the strip-shaped scraping plate (48) is vertically inserted onto the connecting rods (47) which are vertically adjacent up and down, the outer side surface of the strip-shaped scraping plate (48) is in fit contact with the inner ring surface of the filter screen cylinder (41), the threaded rod (49) is arranged on the top end surface of the supporting shaft (46), the threaded rod (49) is inserted into the center of the sealing cover plate (44), the lock nut (5) is arranged on the upper surface and the lower surface of the sealing plate, and the lock nut (5) is sleeved on the threaded rod (49);

an arc scraping strip (8) is fixed on the outer side surface of the strip-shaped scraping plate (48), the outer end surface of the arc scraping strip (8) is in extrusion contact with the inner ring surface of the filter screen cylinder (41), a collecting net cylinder (9) is fixed on the lower surface of the strip-shaped scraping plate (48), the collecting net cylinder (9) is located right below the arc scraping strip (8), and the mesh diameter of the collecting net cylinder (9) is smaller than that of the filter screen cylinder (41);

the filter screen cylinder is characterized in that a guide table (10) is fixed inside the bottom end surface of the filter screen cylinder (41), a connecting ring (11) is arranged on the outer ring surface of the bottom end of the supporting shaft (46), a scraping cylinder (12) is detachably connected to the outer ring surface of the connecting ring (11), a filter screen bag (13) is arranged behind the scraping cylinder (12), and the lower surface of the scraping cylinder (12) is in rotary contact with the surface of the guide table (10).

2. The towel processing environment-friendly printing and dyeing device as claimed in claim 1, wherein: the terminal surface of connecting rod (47) runs through and has seted up T type spout (471), the medial surface of bar scraper blade (48) is provided with T type draw runner (6), and in T type draw runner (471) are vertically slided and are inserted T type spout (6), locating hole (61) have been seted up with bar scraper blade (48) non-contact surface to T type draw runner (6), and have reference column (7) through the slip grafting of spring in locating hole (61), the upper surface of connecting rod (47) is laminated in the reference column (7) slip.