CN118360741A

CN118360741A - A recycling dyeing device

Info

Publication number: CN118360741A
Application number: CN202410643852.6A
Authority: CN
Inventors: 孙素梅; 冯杨; 孙往建; 张毅; 赖晶岩; 徐亚飞; 张建步; 张桂珍; 邹伟; 韩流
Original assignee: Lianyungang Yingyou Xinlicheng Textile Technology Co ltd
Current assignee: Lianyungang Yingyou Xinlicheng Textile Technology Co ltd
Priority date: 2024-05-23
Filing date: 2024-05-23
Publication date: 2024-07-19
Anticipated expiration: 2044-05-23
Also published as: CN118360741B

Abstract

The invention discloses a recyclable dyeing device for circulating dyeing, which comprises a machine case, a water storage tank, a dye stirring cylinder and a dyeing chamber, wherein the water storage tank, the dye stirring cylinder and the dyeing chamber are arranged in the machine case; a microwave generator is arranged in the dyeing chamber, and an ultrasonic generator and an ultrasonic transducer are arranged on the side surface of the dyeing chamber; the device performs solid-liquid separation on dyed liquid through the solid-liquid separator, so that not only is the discharge of waste water reduced and the pollution to the environment reduced, but also water resources and dyes are saved, and the effective recycling of the resources is realized; the device combines two processes of spray dyeing and dip dyeing, and the dyeing device can realize the economical use of dye while guaranteeing the dyeing uniformity.

Description

Recyclable dyeing device for cyclic dyeing

Technical Field

The invention relates to the field of dyeing devices, in particular to a recyclable dyeing device for cyclic dyeing.

Background

Dyeing is an important link in the textile industry. The traditional dyeing process is often accompanied by consumption of a large amount of water resources and discharge of dye wastewater, and causes serious pollution to the environment. To solve this problem, a cyclic dyeing technique has been developed. The cyclic dyeing technology reduces the consumption of water resources by recycling dye wastewater, and simultaneously reduces the discharge of the dye wastewater.

However, the existing cyclic dyeing device still has some problems in practical application. The solid-liquid separation effect in the dye wastewater is poor, so that the quality of the recovered dye is unstable; meanwhile, spray dyeing and dip dyeing are adopted for dyeing, and defects exist relatively, compared with the spray dyeing process, the spray dyeing process saves dye, and the dyeing permeation and uniformity are not enough, so that chromatic aberration can be caused, waste can be caused by dip dyeing, and the soaking time is long.

Disclosure of Invention

The invention aims to provide a recyclable dyeing device for cyclic dyeing, which solves 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 recoverable dyeing apparatus of circulation dyeing, includes quick-witted case, the water storage box, dyestuff churn and the dyeing room of quick-witted incasement arrangement, the quick-witted case outside is installed the PLC controller, quick-witted incasement internally mounted's water storage box delivery port passes through the pipeline that has the water filter and connects the dyestuff churn, and the dyestuff churn passes through the feeding pipeline and connects the solid-liquid separation ware through the pipeline that has the pocket filter, and the solid-liquid separation ware passes through the pipeline and connects the dyestuff churn inside, the solid delivery outlet of solid-liquid separation ware connects the waste bin, and the gas delivery outlet of solid-liquid separation ware forms water inflow to the water storage box inside through the heat exchanger, dyeing spray subassembly is installed to the dyeing room upper end, and the inside installation of dyeing room soaks the subassembly to the blowing frame of immersive subassembly upper end installation pull, the dyestuff churn passes through the pipeline that has the measuring pump and connects the dyeing room;

The dyeing chamber is internally provided with a microwave generator, the side surface of the dyeing chamber is provided with an ultrasonic generator and an ultrasonic transducer, meanwhile, a pipeline with a water pump, which is connected with the dyeing spray assembly, is connected with liquid in the dyeing chamber, and the immersion assembly is immersed in the liquid.

Further, an electric heater and a vacuum pump are arranged on the solid-liquid separator, a water stop valve and a booster pump are arranged on a pipeline connected with the solid-liquid separator and the bag filter, and a powder meter is arranged on a pipeline connected with the solid-liquid separator and the dye stirring cylinder.

Further, install on the pipeline that powder storehouse and dyestuff churn connect and inhale material pump and counter, and inhale material pump and counter and install on the dyestuff churn, the dyestuff churn passes through the mount pad to be fixed in quick-witted incasement portion simultaneously, and installs PLC heater and temperature sensor on the dyestuff churn.

Further, be provided with half shearing blade and the hammer structure of the other half on the dyestuff churn inner wall, and dyestuff churn mid-mounting has agitating unit to dyestuff churn outer wall sets up the heat preservation.

Further, agitating unit includes (mixing) shaft and driving motor, and (mixing) shaft middle part is fixed with crushing roller, and crushing roller is last to incline to be provided with the guide plate, and evenly is provided with the stirring leaf on the (mixing) shaft of crushing roller lower extreme, smashes the roller simultaneously and is the round platform structure, and smashes the inner wall formation clearance of roller bottom laminating dyestuff churn.

Further, a circulating pump and an electromagnetic control valve are arranged on a pipeline connected with the water filter and the dye stirring cylinder, and the circulating pump is fixed at the top of the dye stirring cylinder.

Further, the immersing component comprises a limiting plate, a wire passing roller arranged at the upper end of the limiting plate, and a compression roller which is slidably arranged in a sliding groove of the limiting plate, wherein an extrusion spring is arranged below sliding blocks on two sides of the compression roller, and meanwhile, the wire passing roller is provided with a wire passing groove in a surrounding mode.

Further, the discharging frame is of a box structure hollowed up and down, a push-pull handle is arranged on a panel of the discharging frame, a plurality of groups of yarn cylinder shafts are arranged on the back surface of the discharging frame, and dyeing yarn cylinders are arranged on the yarn cylinder shafts.

Further, the PLC is electrically connected with the meter, the meter is connected with the alarm, meanwhile, the PLC is electrically connected with the vacuum pump and the electric heater, the PLC is connected with the powder meter below the solid-liquid separator, the PLC is electrically connected with the temperature sensor and the PLC heater, and meanwhile, the PLC is electrically connected with the microwave generator, the ultrasonic generator and the ultrasonic transducer which are arranged on the dyeing chamber.

Furthermore, the PLC is connected with a control valve arranged on the pipeline, the control valve adopts an electromagnetic control valve, and meanwhile, the PLC is connected with a water pump, a metering pump, a suction pump and a circulating pump.

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

1. The device carries out solid-liquid separation on dyed liquid through the solid-liquid separator, the liquid part is heated in vacuum to form solid, the solid is added into the dye stirring barrel again and is used for dyeing again, and solid waste enters the waste bin, so that the design not only reduces the discharge of waste water and reduces the pollution to the environment, but also saves water resources and dye, and realizes the effective recycling of the resources;

2. The water flow formed by cooling the gas output port of the solid-liquid separator in the device through the heat exchanger can flow into the water storage tank and be reused in the dyeing process, so that the heat energy is fully utilized, the consumption of energy sources is reduced, and the energy efficiency of the whole dyeing process is improved; through the application of the PLC, the device can realize automatic control and operation, reduces manual intervention, improves working efficiency, and reduces errors caused by human factors;

3. The device combines the dyeing process and the recycling process organically together to form a complete circulation system, realizes zero emission of dyeing wastewater, not only is the dyeing spray assembly arranged in the dyeing chamber, but also a microwave generator and an ultrasonic transducer are arranged, and the uniformity and the depth of dyeing can be improved through the assistance of microwaves and ultrasound, so that the dyeing effect is further improved.

4. The device combines two processes of spray dyeing and dip dyeing, and the dyeing device can realize the economical use of dye while ensuring the dyeing uniformity.

Drawings

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

FIG. 2 is a schematic view of a staining chamber of the present invention;

FIG. 3 is a schematic view of the installation of the dye mixing drum of the present invention;

FIG. 4 is a schematic view of the internal structure of the mixing drum of the present invention;

FIG. 5 is a schematic view of an immersion assembly of the present invention;

FIG. 6 is a schematic view of a blanking frame of the present invention;

fig. 7 is a schematic view of a stirring shaft of the stirring device of the present invention.

In the figure: 1. a chassis; 2. a powder bin; 3. a water storage tank; 4. a PLC controller; 5. a water filter; 6. a heat exchanger; 7. a solid-liquid separator; 8. a waste bin; 9. a dye stirring cylinder; 10. a dyeing spray assembly; 11. a dyeing chamber; 12. a bag filter; 13. a water pump; 14. a water stop valve; 15. a metering pump; 16. an ultrasonic transducer; 17. an ultrasonic generator; 18. a microwave generator; 19. an immersion assembly; 191. extruding a spring; 192. a limiting plate; 193. a press roller; 194. a wire passing roller; 195. wire passing grooves; 20. a discharging frame; 21. dyeing yarn barrels; 211. a spool shaft; 22. a suction pump; 23. a gauge; 24. a stirring device; 241. a stirring shaft; 242. a pulverizing roller; 243. a deflector; 244. stirring the leaves; 25. an electric heater; 26. a powder meter; 27. a circulation pump; 28. a temperature sensor; 29. a PLC heater; 30. a mounting base; 31. a vacuum pump; 32. a shear blade; 33. and (5) a hammer piece.

Detailed Description

The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a recoverable dyeing apparatus of circulation dyeing, including quick-witted case 1, the water storage box 3 of quick-witted case 1 internally disposed, dyestuff churn 9 and dyeing room 11, install PLC controller 4 outside machine case 1, the water storage box 3 delivery port of quick-witted case 1 internally mounted is through the pipeline that has water filter 5 to connect dyestuff churn 9, and dyestuff churn 9 passes through the pipeline that feeds into the pipeline and connects powder feed bin 2, dyeing room 11 passes through the pipeline that has bag filter 12 to connect solid-liquid separator 7 inside the dyestuff churn 9, and solid-liquid separator 7's solid delivery outlet connects waste bin 8, and the gas delivery outlet of solid-liquid separator 7 forms water inflow to the water storage box 3 through heat exchanger 6, install circulating pump and control valve on the pipeline that heat exchanger 6 and water storage box 3 connect, dyeing room 11 upper end is installed and is stained spray subassembly 10, and dyeing room 11 internally mounted is immersed subassembly 19, and the upper end of immersed subassembly 19 is installed and is pulled blowing frame 20, dyestuff churn 9 passes through the pipeline that has the measuring pump to connect dyeing room 11;

The dyeing chamber 11 is internally provided with the microwave generator 18, the side surface of the dyeing chamber 11 is provided with the ultrasonic generator 17 and the ultrasonic transducer 16, meanwhile, the pipeline with the water pump 13 connected with the dyeing spray assembly 10 is connected with liquid in the dyeing chamber 11, the immersion assembly 19 is immersed in the liquid, the dyeing yarn drum 21 with white threads is firstly placed on the yarn drum shaft 211, then the thread ends are placed in the thread passing groove 195 in the immersion assembly 19 through a tool, the weaving is wound on the dyeing yarn drum 21, the output line is wound on the other group of empty dyeing yarn drums 21, and the yarn drum shaft 211 is connected with the driving motor to perform unified winding work.

An electric heater 25 and a vacuum pump 31 are arranged on the solid-liquid separator 7, a water stop valve 14 and a booster pump are arranged on a pipeline connected with the solid-liquid separator 7 and the bag filter 12, meanwhile, a powder meter 26 is arranged on a pipeline connected with the solid-liquid separator 7 and the dye stirring barrel 9, the solid-liquid separator 7 is provided with a liquid storage bin, the electric heater 25 is used for adding the liquid storage bin, and a stirring and crushing device can be arranged on the liquid storage bin to avoid that dye caking cannot be output.

The pipeline that powder storehouse 2 and dyestuff churn 9 connect is installed and is inhaled material pump 22 and counter 23, and inhales material pump 22 and counter 23 and install on dyestuff churn 9, and dyestuff churn 9 passes through mount pad 30 to be fixed in quick-witted case 1 inside simultaneously, and installs PLC heater 29 and temperature sensor 28 on the dyestuff churn 9, and mount pad 30 adopts the shock attenuation mount pad.

The suction pump 22 is used for pumping out the dye powder in the powder bin 2 and conveying the dye powder into the dye stirring cylinder 9 through a pipeline; in the process, the counter 23 plays a role in accurate metering, so that the quantity of dye powder extracted each time is ensured to be accurate, and the proportioning precision of the dye is ensured;

Secondly, the combination of the PLC heater 29 and the temperature sensor 28 can realize accurate control of the temperature in the dye stirring cylinder 9; the PLC heater 29 automatically adjusts heating power according to temperature information fed back by the temperature sensor 28, so that the temperature in the stirring barrel is ensured to be always kept within a set process range; this is critical to the dissolution, mixing and subsequent dyeing of the dye, as temperature is a critical factor affecting dye performance and dyeing effectiveness;

In addition, the function of the shock absorbing mount 30 is not negligible; since the dye stirring cylinder 9 generates vibration and noise during the operation, if it is directly fixed to the cabinet 1, it may adversely affect the cabinet and other devices; the shock absorbing mount 30 can effectively absorb and disperse these vibrations and noise, maintaining stable operation of the apparatus, and at the same time extending the service life of the apparatus.

The inner wall of the dye stirring barrel 9 is provided with a half of shearing blades 32 and the other half of hammer sheets 33, the middle part of the dye stirring barrel 9 is provided with a stirring device 24, and the outer wall of the dye stirring barrel 9 is provided with an insulating layer.

The structure of the shearing blade 32 and the hammer 33 on the inner wall is used for better shearing and breaking the dye; the shearing blade can effectively cut and disperse the dye particles so as to enable the dye particles to be mixed together better; the hammer further promotes the uniform mixing of the dye by knocking and vibrating, and is favorable for breaking larger particles into smaller particles, so that the mixing effect of the dye is improved; the stirring device 24 arranged in the middle plays a role in strengthening stirring; the dye is fully stirred and mixed in the stirring cylinder by the rotation of the stirring device; the design of the stirring device generally takes the hydrodynamic characteristics into consideration to ensure that the dye can form effective convection and circulation in the stirring cylinder, thereby further improving the mixing uniformity of the dye; the outer wall of the dye stirring cylinder 9 is provided with an insulating layer, mainly for maintaining the temperature stability inside the stirring cylinder; the dye often needs to be kept at a certain temperature in the mixing process so as to ensure the chemical property and the mixing effect of the dye; the heat insulation layer can effectively reduce heat dissipation, so that the temperature inside the stirring barrel is kept in a relatively stable range, and the quality and efficiency of dye mixing are improved.

Stirring device 24 includes (mixing) shaft 241 and driving motor, (mixing) shaft 241 middle part is fixed with crushing roller 242, and the slope is provided with guide plate 243 on the crushing roller 242, and evenly be provided with stirring leaf 244 on the (mixing) shaft 241 of crushing roller 242 lower extreme, crushing roller 242 is round platform structure simultaneously, and the inner wall of laminating dyestuff churn 9 in crushing roller 242 bottom forms the clearance, the guide plate 243 that the stirring roller 242 cooperation side set up of round platform formula crushing roller 242 middle part that stirring shaft 241 set up for the dyestuff forms the grinding with shearing blade 32 and the hammer 33 that the side set up, the striking, and set up the spike at the cylinder surface of crushing roller 242 bottom, increase extrusion crushing effect, accelerate the dissolution of granule dyestuff, stirring leaf 244 of bottom can reduce the layering of dyestuff simultaneously.

The water filter 5 and the dye mixing drum 9 are connected with a pipeline on which a circulating pump 27 and an electromagnetic control valve are arranged, and the circulating pump 27 is fixed at the top of the dye mixing drum 9.

The immersion assembly 19 comprises a limiting plate 192, a wire passing roller 194 arranged at the upper end of the limiting plate 192, a compression roller 193 slidably arranged in a sliding groove of the limiting plate 192, wherein an extrusion spring 191 is arranged below the sliding blocks at two sides of the compression roller 193, and meanwhile the wire passing roller 194 is provided with a wire passing groove 195 in a surrounding mode.

The wire passing groove 195 is formed around the wire passing roller 194, so that the wire or fabric can orderly pass through the immersion assembly through the design of guiding and fixing the wire through the wire passing groove, thereby avoiding confusion and entanglement;

The press roller 193 is another important part of the dipping assembly that can slide within the chute to accommodate different thickness or types of wire; the primary function of the press roller 193 is to apply a certain pressure to enable the wire to be tightly attached to the wire passing roller 194, ensuring that the wire remains flat and stable as it passes through the immersion assembly;

The extrusion springs 191 arranged below the sliding blocks at the two sides of the compression roller 193 play a role in adjusting the pressure; the compression spring 191 can provide different pressures as required to adapt to different working conditions; by adjusting the spring force of the compression spring 191, precise control of the pressure applied by the compression roller 193 can be achieved, thereby ensuring proper handling of the wire as it passes through the immersion assembly.

The discharging frame 20 is of a box structure hollowed up and down, a push-pull handle is arranged on a panel of the discharging frame 20, a plurality of groups of yarn cylinder shafts 211 are arranged on the back surface of the discharging frame 20, dyeing yarn cylinders 21 are arranged on the yarn cylinder shafts 211, and the yarn cylinder shafts 211 are connected with a driving motor to perform winding work of wires.

The PLC controller 4 is electrically connected with the meter 23, and the meter 23 is connected with the alarm, meanwhile, the PLC controller 4 is electrically connected with the vacuum pump 31 and the electric heater 25, and the PLC controller 4 is connected with the powder meter 26 below the solid-liquid separator 7, and the PLC controller 4 is electrically connected with the temperature sensor 28 and the PLC heater 29, and meanwhile, the PLC controller 4 is electrically connected with the microwave generator 18, the ultrasonic generator 17 and the ultrasonic transducer 16 which are arranged on the dyeing chamber 11.

The control valve installed on the connecting pipeline of the PLC 4, the electromagnetic control valve is adopted as the control valve, the control valves are arranged on the connecting pipelines between the devices, the control valves are properly adjusted according to the use requirements, the cost is reduced, and meanwhile, the PLC 4, the water pump 13, the metering pump 15, the suction pump 22 and the circulating pump 27 are arranged.

Working principle:

first: raw material preparation and mixing:

The powder bin 2 stores dye powder; the dye powder is precisely fed into the dye stirring cylinder 9 through the suction pump 22 and the metering device 23, wherein the metering device 23 is a powder metering device 23; the water in the water storage tank 3 enters a dye stirring cylinder 9 after being filtered by a water filter 5; the stirring device 24 arranged in the dye stirring cylinder 9 is used for mixing and stirring to ensure that the dye powder is fully mixed with water; at the same time, the PLC heater 29 and temperature sensor 28 control the temperature within the mixing drum to suit the specific dyeing process requirements.

Second,: dyeing:

The evenly mixed dye liquid is sent into a dyeing chamber 11 through a pipeline; the dyeing spray assembly 10 in the dyeing chamber 11 sprays and dyes the knitting yarns; meanwhile, the ultrasonic generator 17 converts low-frequency alternating current into high-frequency alternating current electric signals matched with the ultrasonic transducer 16, the ultrasonic transducer 16 converts alternating electric signals into high-frequency mechanical vibration in a super-frequency range, the microwave generator 18 arranged in the dyeing chamber 11 generates microwaves, and the microwave generator 18 generates microwaves; the immersing assembly 19 and the drawing-out discharging frame 20 enable the knitting yarn to be fully immersed into the dyeing liquid in the dyeing chamber 11, so that the ideal dyeing effect is achieved.

Third,: solid-liquid separation and recovery:

In the dyeing process, redundant dye liquid on the cloth enters a solid-liquid separator 7 through a pipeline with a bag filter 12; the solid-liquid separator 7 separates the solid and liquid in the dye liquid, the impurities such as fiber in the separated dye enter the waste bin 8, and the liquid part is recycled after being treated; the separated liquid part enters the dye stirring cylinder 9 again through a pipeline, so that the recycling of the dye is realized;

After dyeing is completed, the redundant dye liquid on the weaving line enters a solid-liquid separator 7 through a pipeline with a bag filter 12; the solid-liquid separator 7 separates solids and liquid in the dye liquid; the impurities such as fiber and the like in the dye are separated, the valve is communicated with the valve 6, the vacuum pump 31 starts to vacuumize the solid-liquid separator 7, and meanwhile, the electric heater 25 heats the dye liquor, so that water in the dye liquor is easier to gasify and separate from the dye under a low-pressure state, water vapor is changed into water through the heat exchanger 6 under the action of the circulating pump and flows into the water tank 3, and the separated liquid part enters the dye stirring cylinder 9 again through a pipeline, so that the recycling of the dye is realized;

Fourth,: control and monitoring:

The PLC 4 is responsible for controlling and monitoring the whole device, and ensures that each component operates according to a set program; sensors such as a meter, a temperature sensor and the like ensure accurate feeding of raw materials and stable technological parameters.

Claims

1. The utility model provides a recoverable dyeing apparatus of circulation dyeing which characterized in that: the dyeing device comprises a machine case (1), a water storage tank (3), a dye stirring cylinder (9) and a dyeing chamber (11) which are arranged in the machine case (1), wherein a PLC (programmable logic controller) controller (4) is arranged on the outer side of the machine case (1), a water outlet of the water storage tank (3) which is internally installed in the machine case (1) is connected with the dye stirring cylinder (9) through a pipeline with a water filter (5), the dye stirring cylinder (9) is connected with a powder bin (2) through a feeding pipeline, the dyeing chamber (11) is connected with a solid-liquid separator (7) through a pipeline with a bag filter (12), the solid-liquid separator (7) is connected with the inside of the dye stirring cylinder (9), a solid outlet of the solid-liquid separator (7) is connected with a waste bin (8), water flows into the inside of the water storage tank (3) through a heat exchanger (6), a dyeing spray assembly (10) is installed at the upper end of the dyeing chamber (11), an immersion assembly (19) is internally installed in the dyeing chamber (11), and a drawing frame (20) is installed at the upper end of the immersion assembly (19), and the dyeing chamber (9) is connected with a metering pump (20);

The dye stirring barrel (9) is characterized in that a half of shearing blades (32) and the other half of hammer (33) structures are arranged on the inner wall of the dye stirring barrel (9), a stirring device (24) is arranged in the middle of the dye stirring barrel (9), an insulation layer is arranged on the outer wall of the dye stirring barrel (9), the stirring device (24) comprises a stirring shaft (241) and a driving motor, a crushing roller (242) is fixed in the middle of the stirring shaft (241), a guide plate (243) is obliquely arranged on the crushing roller (242), stirring blades (244) are uniformly arranged on the stirring shaft (241) at the lower end of the crushing roller (242), the crushing roller (242) is of a circular truncated cone structure, and the bottom of the crushing roller (242) is attached to the inner wall of the dye stirring barrel (9) to form a gap;

the dyeing room (11) internally provided with a microwave generator (18), the side surface of the dyeing room (11) is provided with an ultrasonic generator (17) and an ultrasonic transducer (16), meanwhile, a pipeline with a water pump (13) connected with the dyeing spray assembly (10) is connected with liquid in the dyeing room (11), and the immersion assembly (19) is immersed in the liquid.

2. A recyclable dyeing apparatus according to claim 1, wherein: an electric heater (25) and a vacuum pump (31) are arranged on the solid-liquid separator (7), a water stop valve (14) and a booster pump are arranged on a pipeline connected with the solid-liquid separator (7) and the bag filter (12), and a powder meter (26) is arranged on a pipeline connected with the solid-liquid separator (7) and the dye stirring cylinder (9).

3. A recyclable dyeing apparatus according to claim 2, wherein: the powder bin (2) is provided with a suction pump (22) and a metering device (23) on a pipeline connected with the dye stirring barrel (9), the suction pump (22) and the metering device (23) are arranged on the dye stirring barrel (9), meanwhile, the dye stirring barrel (9) is fixed inside the case (1) through a mounting seat (30), and the dye stirring barrel (9) is provided with a PLC heater (29) and a temperature sensor (28).

4. A recyclable dyeing apparatus according to claim 3, characterized in that: the water filter (5) and the dye stirring cylinder (9) are connected through a pipeline, a circulating pump (27) and an electromagnetic control valve are arranged on the pipeline, and the circulating pump (27) is fixed at the top of the dye stirring cylinder (9).

5. The recyclable dyeing apparatus for recirculating dyeings as defined in claim 4, wherein: the immersion assembly (19) comprises a limiting plate (192), a wire passing roller (194) arranged at the upper end of the limiting plate (192) and a pressing roller (193) arranged in a sliding manner in a sliding groove of the limiting plate (192), wherein extrusion springs (191) are arranged below sliding blocks on two sides of the pressing roller (193), and meanwhile the wire passing roller (194) is provided with a wire passing groove (195) in a surrounding mode.

6. A recyclable dyeing apparatus according to claim 5 and characterized by: the discharging frame (20) is of a box structure hollowed up and down, a push-pull handle is arranged on a panel of the discharging frame (20), a plurality of groups of yarn bobbin shafts (211) are arranged on the back surface of the discharging frame (20), and dyeing yarn bobbins (21) are placed on the yarn bobbin shafts (211).

7. The recyclable dyeing apparatus for cyclical dyeing as set forth in claim 6, wherein: PLC controller (4) electric connection counter (23) to the alarm is connected to counter (23), and PLC controller (4) electric connection vacuum pump (31) and electric heater (25) simultaneously, and PLC controller (4) are connected with powder counter (26) of solid-liquid separation ware (7) below, and PLC controller (4) electric connection temperature sensor (28) and PLC heater (29), microwave generator (18), ultrasonic generator (17) and ultrasonic transducer (16) electric connection of installation on PLC controller (4) and dyeing room (11) simultaneously.

8. A recyclable dyeing apparatus according to claim 7 and characterized by: the PLC (4) is connected with a control valve arranged on a pipeline, the control valve adopts an electromagnetic control valve, and meanwhile, the PLC (4) is connected with a water pump (13), a metering pump (15), a suction pump (22) and a circulating pump (27).