CN213978184U

CN213978184U - Simplified environment-friendly dyeing device for polyester dyeing and finishing pretreatment

Info

Publication number: CN213978184U
Application number: CN202022159829.XU
Authority: CN
Inventors: 夏裕
Original assignee: Tongxiang Luhuang Bleaching And Dyeing Co Ltd
Current assignee: Tongxiang Luhuang Bleaching And Dyeing Co Ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-08-17
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a dacron dyeing and finishing pretreatment simplifies environment-friendly dyeing apparatus belongs to the dyeing apparatus field, which comprises a base, the top fixed mounting of base has the dyeing jar, the inside below fixed mounting who dyes the jar has the motor, the power take off end of motor rotates and is connected with the dye frame, the inside of dye frame rotates and is connected with the winding roller, the top of dye frame rotates and is connected with the dye frame top cap, the top of dye jar rotates and is connected with outer top cap, the right side fixed mounting of base has the dye box. The utility model discloses a dye the frame rotation with the winding of dacron cloth outside the winding roller of dyeing the inside of frame, dye the frame through motor drive, when preventing that the winding of dacron cloth from being in the same place, improved the efficiency of dyeing to can dye the in-process, adjust in real time the dye temperature, improve the rate of utilization of dyestuff.

Description

Simplified environment-friendly dyeing device for polyester dyeing and finishing pretreatment

Technical Field

The utility model relates to a dyeing apparatus field especially relates to a dacron dyeing and finishing pretreatment simplifies environment-friendly dyeing apparatus.

Background

The dyeing apparatus is an apparatus for dyeing an object to be dyed, generally referring to a technique for dyeing a textile, can be divided into traditional dyeing technology and modern dyeing technology, the modern textile dyeing begins in the eighteenth century, which is gradually established along with the development of chemical fibers, dyes, chemicals and equipment, but when the prior simplified environment-friendly dyeing device for dyeing and finishing the terylene, the terylene fabric is easy to be knotted in the dyeing frame, which causes uneven dyeing and low dyeing efficiency, and the prior simplified environment-friendly dyeing device for dyeing and finishing pretreatment of terylene can not filter and recycle the dye when in use, meanwhile, the dyeing temperature of the dye cannot be controlled in real time, a large amount of dye is wasted while the dyeing effect is not good, the environment-friendly property is poor, and in order to solve the problems, the simplified environment-friendly dyeing device for the polyester dyeing and finishing pretreatment is disclosed.

Patent No. CN201820763242.X an environment-friendly dyeing apparatus, including the dyeing jar, the welding of one side of dyeing jar has the motor case, fixed mounting has the motor in the motor case, the output and the axostylus axostyle transmission of motor are connected, and the axostylus axostyle extends to the dyeing jar in, the fixed carousel that is provided with of one end of axostylus axostyle, spout and logical groove have been seted up to dyeing jar bottom, and communicate each other between spout and the logical groove, slidable mounting has the slider in the spout, the fluting has been seted up to bottom one side of dyeing jar, the activity is pegged graft in the fluting and is had the bracing piece, and passes through spring fixed connection between bracing piece and the grooved top cell wall, the bottom welding of bracing piece has the supporting shoe, the top of dyeing jar is passed through the hinge and is articulated with the top cap. The utility model discloses a be provided with the collecting box, can collect the waste liquid after the dyeing to the collection is carried out the center and is handled, prevents that the waste liquid from directly discharging and causing environmental pollution, and the feature of environmental protection is higher.

The device has the following disadvantages when in use: 1. when the device is used, the polyester fabric is easy to knot in the dyeing frame, so that uneven dyeing is caused, and meanwhile, the dyeing efficiency is low, so that improvement is needed; 2. the device can't carry out real time control to the dyeing temperature of dyestuff when using, leads to extravagant a large amount of dyestuffs when dyeing effect is not good, and the feature of environmental protection is poor, so still need improve.

SUMMERY OF THE UTILITY MODEL

The utility model provides a dacron dyeing and finishing pretreatment simplifies environment-friendly dyeing apparatus, aim at through installing the motor, dye the frame, dye the jar, the dye box, a water pump, the inlet pipe, the winding roller, the incomplete liquid case, the delivery pipe, stop spacer bush and filter the fill, dacron dyeing pretreatment simplifies environment-friendly dyeing apparatus when current dacron dyeing and finishing pretreatment and simplifies environment-friendly dyeing apparatus use the dacron surface fabric and appears tying in dyeing the frame inside easily, lead to dyeing the inequality, dyeing efficiency is low simultaneously, through installing the motor, dye the frame, dye the jar, the dye box, the water pump, the inlet pipe and the winding roller, before dyeing to the dacron surface fabric, open the outer top cap at the top of dyeing the frame at first, open the dyeing frame top cap that dyes the frame top and rotate and connect subsequently, insert the dacron cloth roller to the outside of winding roller, then twine the dacron cloth in the outside of winding roller through external power supply, drive the dacron cloth and continuously rotate in dyeing the frame inside, at the moment, the outer top cover and the top cover of the dyeing frame are tightly covered, then the water pump is powered on by an external power supply, the dye in the dye box is conveyed to the inside of the dyeing tank by the power-on work of the water pump, the dye enters the inside of the dyeing frame through a plurality of filter holes on the outer side of the dyeing frame, then the motor is powered on by the external power supply, the motor is powered on to rotate to drive the dyeing frame to rotate, the polyester cloth is driven to rotate when the dyeing frame rotates, so that the dyeing is more uniform, the polyester cloth is effectively prevented from being wound together, the dyeing efficiency is improved, the dyeing temperature of the dye cannot be controlled in real time when the conventional polyester dyeing and finishing simplified environment-friendly dyeing device is used, a large amount of dye is wasted when the dyeing effect is poor, the environment friendliness is poor, and the dyeing device is provided with a dye box, a water pump, a feed pipe, a winding roller, a residual liquid box, a discharge pipe, a blocking sleeve and a filter hopper, because each terylene cloth material is different, the requirement on the PH value of the dye is different, the traditional dyeing device can not detect the temperature of the dye in time when in use, so that the PH value is not in accordance with the requirement, excessive dye is used, resources are wasted, after the dye is conveyed to the inside of the dyeing tank by a water pump, the temperature sensor inside the dyeing tank is electrified by an external power supply at the moment, the temperature sensing element inside the temperature sensor electrified work detects the temperature of the dye liquor in real time, when the temperature is lower than the preset temperature, the power supply of the heating pipe at the bottom of the dyeing tank is switched on, the resistance inside the heating pipe is electrified to convert electric energy into heat energy, the dye inside the dyeing tank is heated, thereby realizing the control on the PH value of the dye, improving the utilization rate of the dye, and after the dyeing is finished, a valve outside a discharge pipe at the bottom of the dyeing frame is opened, the discharge pipe is communicated, and the residual dye passes through a blocking sleeve inside the discharge pipe, big back is little before the separation cover, discharges to the piece impurity that dyeing in-process exists, prevents piece impurity backward flow simultaneously to install the tighrening ring in separation cover below, consolidate separation cover lower part, improved the life of separation cover, incomplete bits and raffinate are fought through the left filtration of delivery pipe afterwards and are filtered circulation to raffinate incasement portion, carry out recovery processing, have improved the efficiency of follow-up treatment, have improved the holistic feature of environmental protection of device.

The utility model provides a specific technical scheme as follows:

the utility model provides a simplified environment-friendly dyeing device for polyester dyeing and finishing pretreatment, which comprises a base, a dyeing tank is fixedly installed above the base, a motor is fixedly installed below the inside of the dyeing tank, a power output end of the motor is rotatably connected with a dyeing frame, the inside of the dyeing frame is rotatably connected with a winding roller, a top cover of the dyeing frame is rotatably connected with the top of the dyeing tank, the top of the dyeing tank is rotatably connected with an outer top cover, a dyeing tank is fixedly installed on the right side of the base, a heating pipe is fixedly installed at the bottom of the dyeing tank, a water pump is fixedly installed above the dyeing tank, a feeding pipe is detachably connected on the left side of the water pump, one end below the feeding pipe extends to the inside of the dyeing tank, the other end of the feeding pipe extends to the inside of the dyeing tank, one end of a discharge pipe is detachably connected at the bottom of the left side of the dyeing tank, the other end of the discharge pipe is detachably connected with a residual liquid tank, the valve is detachably connected to the outer side of the discharge pipe.

Optionally, the inside car of delivery pipe right side top has the screw thread, the inside detachable connection of screw thread has the separation sleeve, but the below detachable mounting of separation sleeve has the tighrening ring, the inside detachable mounting in left side of delivery pipe has the filtration fill, filtration fill and delivery pipe outside detachable mounting have fixing bolt.

Optionally, the number of the winding rollers is several.

Optionally, the inside bottom fixed mounting who dyes the jar has temperature sensor, dye the surface of jar and seted up a plurality of filtration pores, outer top cap inlays with the junction of dying the jar and is connected with the sealing rubber ring.

Optionally, the power input ends of the motor, the heating pipe, the winding roller, the water pump and the temperature sensor are electrically connected with the power output end of the external power supply, and the control signal input end of the heating pipe is connected with the control signal output end of the temperature sensor.

The utility model has the advantages as follows:

1. the utility model aims at providing a simplified environment-friendly dyeing device for dyeing and finishing terylene by installing a motor, a dyeing frame, a dyeing tank, a dyeing box, a water pump, a feeding pipe and a winding roller, wherein when the prior terylene fabric is used in the prior terylene dyeing and finishing pretreatment, the terylene fabric is easy to knot inside the dyeing frame to cause uneven dyeing, the dyeing efficiency is low, before the terylene fabric is dyed, an outer top cover at the top of the dyeing tank is firstly opened, then the top cover of the dyeing frame which is rotationally connected with the top of the dyeing frame is opened, the terylene cloth roller is inserted into the outer side of the winding roller, then the terylene cloth is wound outside the winding roller, the winding roller is electrified by an external power supply to drive the terylene cloth to continuously rotate inside the dyeing frame, at the moment, the outer top cover and the top cover of the dyeing frame are tightly covered, then the water pump is electrified by the external power supply, the water pump is electrified to convey the dye inside of the dyeing tank through the feeding pipe, the dye enters the inside of the dyeing frame through a plurality of filtering holes at the outer side of the dyeing frame, the motor is electrified through an external power supply, the motor is electrified to work and rotate, the dyeing frame is driven to rotate, and the polyester cloth is driven to rotate when the dyeing frame rotates, so that dyeing is more uniform, the polyester cloth is effectively prevented from being wound together, and the dyeing efficiency is improved.

2. The utility model aims to provide a dyeing tank, a water pump, a feeding pipe, a winding roller, a residual liquid tank, a discharging pipe, a blocking sleeve and a filtering hopper, when the prior polyester dyeing and finishing pretreatment simplified environment-friendly dyeing device is used, the dyeing temperature of dye can not be controlled in real time, which causes the waste of a large amount of dye with poor dyeing effect and poor environment protection, in the dyeing process of polyester cloth, because the material of each polyester cloth is different, the requirement on the PH value of the dye is different, the traditional dyeing device can not detect the dye temperature in time when in use, which causes the PH value not to meet the requirement, uses excessive dye, wastes resources, when the dye is conveyed to the inside of a dyeing tank by the water pump, the temperature sensor inside the dyeing tank is electrified by an external power supply, the temperature sensing element inside the electrified work of the temperature sensor detects the temperature of the dyeing liquid in real time, when the temperature is lower than the preset temperature, switch on the heating pipe power of dyeing case bottom, the inside resistance circular telegram of heating pipe, convert electric energy into heat energy, dye to the dyeing of dyeing case inside heats, thereby realize control dyestuff pH value, the utilization rate of dyestuff has been improved, and after dyeing, open the valve of dyeing frame bottom delivery pipe outside, the intercommunication delivery pipe, remaining dyestuff is through the inside separation cover of delivery pipe, big end back before the separation cover, discharge to the piece impurity that dyeing in-process exists, prevent piece impurity backward flow simultaneously, and install the tighrening ring below the separation cover, consolidate separation cover lower part, the life of separation cover has been improved, incomplete bits and raffinate are inside through the left filter bucket filtration circulation of delivery pipe to the raffinate incasement portion afterwards, carry out recovery processing, the efficiency of follow-up processing has been improved, the holistic feature of environmental protection of device has been improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of an overall structure of a simplified environment-friendly dyeing apparatus for polyester dyeing and finishing pretreatment according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a discharge pipe of the simplified environment-friendly dyeing apparatus for polyester dyeing and finishing pretreatment according to an embodiment of the present invention;

FIG. 3 is a schematic view of a top view structure of a dyeing tank of the simplified environment-friendly dyeing apparatus for polyester dyeing and finishing pretreatment according to an embodiment of the present invention;

fig. 4 is the utility model discloses a structural schematic diagram of environment-friendly dyeing apparatus winding roller is simplified to dacron dyeing and finishing pretreatment.

In the figure: 1. a base; 2. a temperature sensor; 3. heating a tube; 4. a dye box; 5. a water pump; 6. a feed pipe; 8. sealing the rubber ring; 9. an outer top cover; 10. filtering holes; 11. a valve; 12. dyeing frames; 13. a top cover of the dyeing frame; 14. a discharge pipe; 15. a residual liquid tank; 16. a motor; 17. a winding roller; 18. a thread; 19. a barrier sleeve; 20. a filter hopper; 21. fixing the bolt; 22. a fastening ring; 23. and (6) dyeing the tank.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The polyester dyeing and finishing simplified environment-friendly dyeing device according to the embodiment of the present invention will be described in detail with reference to fig. 1 to 4.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, an embodiment of the present invention provides a simplified environment-friendly dyeing apparatus for polyester dyeing and finishing pretreatment, including a base 1, a dyeing tank 23 is fixedly mounted above the base 1, a motor 16 is fixedly mounted below the inside of the dyeing tank 23, a power output end of the motor 16 is rotatably connected with a dyeing frame 12, the inside of the dyeing frame 12 is rotatably connected with a winding roller 17, a top of the dyeing frame 12 is rotatably connected with a dyeing frame top cover 13, a top of the dyeing tank 23 is rotatably connected with an outer top cover 9, a right side of the base 1 is fixedly mounted with a dyeing tank 4, a bottom of the dyeing tank 4 is fixedly mounted with a heating pipe 3, a water pump 5 is fixedly mounted above the dyeing tank 4, a feeding pipe 6 is detachably connected to the left side of the water pump 5, one end below the feeding pipe 6 extends to the inside of the dyeing tank 4, and the other end of the inlet pipe 6 extends to the inside of the dyeing tank 23, the left bottom of the dyeing tank 23 can be detached to connect with one end of the discharge pipe 14, the other end of the discharge pipe 14 can be detached to connect with the residual liquid tank 15, the outside of the discharge pipe 14 can be detached to connect with the valve 11, firstly, the outer top cover 9 at the top of the dyeing tank 23 is opened, then, the dyeing frame top cover 13 rotatably connected with the top of the dyeing frame 12 is opened, the terylene cloth roller is inserted into the outside of the winding roller 17, then, the terylene cloth is wound on the outside of the winding roller 17, the winding roller 17 is electrified through an external power supply to drive the terylene cloth to continuously rotate in the dyeing frame 12, at the moment, the outer top cover 9 and the dyeing frame top cover 13 are tightly covered, then, the external power supply water pump 5 is electrified, the water pump 5 is electrified to work to convey the dye in the dyeing tank 23 through the inlet pipe 6, the dye enters the dyeing frame 12 through the plurality of filter holes 10 on the outside of the dyeing frame 12, then the motor 16 is electrified through an external power supply, the motor 16 is electrified to work and rotate to drive the dyeing frame 12 to rotate, the polyester cloth is driven to rotate when the dyeing frame 12 rotates, so that dyeing is more uniform, the polyester cloth is effectively prevented from being wound together, the dyeing efficiency is improved, in the dyeing process of the polyester cloth, due to the fact that the polyester cloth is made of different materials and the requirements on the pH value of the dye are different, the traditional dyeing device cannot timely detect the temperature of the dye when in use, the pH value does not meet the requirements, excessive dye is used, resources are wasted, after the dye is conveyed into the dyeing tank 23 by the water pump 5, the temperature sensor 2 inside the dyeing tank 23 is electrified through the external power supply at the moment, the temperature sensing element inside the electrified work of the temperature sensor 2 detects the temperature of the dyeing liquid in real time, and when the temperature is lower than the preset temperature, the power supply of the heating pipe 3 at the bottom of the dyeing tank 4 is switched on, the resistance circular telegram of 3 inside of heating pipe, convert the electric energy into heat energy, dye to the dye of dye case 3 inside heats, thereby realize control dyestuff pH value, the utilization ratio of dyestuff has been improved, and after the dyeing, open the valve 11 who dyes the 14 outsides of frame 12 bottom discharge pipe 12, intercommunication delivery pipe 14, remaining dyestuff is through the inside separation cover 19 of delivery pipe 14, big end back before the separation cover 19, discharge to the piece impurity that dyeing in-process exists, prevent piece impurity backward flow simultaneously, and install tighrening ring 22 below separation cover 19, consolidate separation cover 19 lower part, the life of separation cover 19 has been improved, inside incomplete bits and raffinate delivery pipe filter 20 through 14 left filter hopper filtration circulation to raffinate case 15 afterwards, carry out recovery processing, the efficiency of subsequent processing has been improved, the holistic feature of environmental protection of device has been improved.

Referring to fig. 1 and 2, a thread 18 is cut inside the top end of the right side of the discharge pipe 14, a blocking sleeve 19 is detachably connected inside the thread 18, a fastening ring 22 is detachably installed below the blocking sleeve 19, a filter hopper 20 is detachably installed inside the left side of the discharge pipe 14, and a fixing bolt 21 is detachably installed on the filter hopper 20 and the outer side of the discharge pipe 14.

Referring to fig. 1, 2 and 3, the number of the winding rollers 17 is several.

Referring to fig. 1 and 4, a temperature sensor 2 is fixedly mounted at the bottom inside the dyeing tank 23, a plurality of filtering holes 10 are formed in the surface of the dyeing tank 23, and a sealing rubber ring 8 is connected to the joint of the outer top cover 9 and the dyeing tank 23 in an embedded manner.

Referring to fig. 1, the electric input ends of the motor 16, the heating pipe 3, the winding roller 17, the water pump 5 and the temperature sensor 2 are electrically connected with the electric output end of an external power supply, and the control signal input end of the heating pipe 3 is connected with the control signal output end of the temperature sensor 2.

The embodiment of the utility model provides a dacron dyeing and finishing pretreatment simplifies environment-friendly dyeing apparatus, at first open the outer top cap 9 who dyes jar 23 top, open the frame top cap 13 that dyes 12 tops rotation connection afterwards, insert the dacron cloth roller in the outside of winding roller 17, subsequently twine the dacron cloth in the outside of winding roller 17, give winding roller 17 circular telegram through external power supply, drive the dacron cloth and dye the inside continuous rotation of frame 12, cover outer top cap 9 and dye frame top cap 13 this moment, subsequently, through external power supply water-feeding pump 5 circular telegram, the dyestuff of water pump 5 circular telegram work inside dye box 4 is carried to dyeing jar 23 through inlet pipe 6, the dyestuff passes through a plurality of filtration pores 10 that dye the frame 12 outside and goes into the inside of dyeing frame 12, then give the motor 16 circular telegram through external power supply, motor 16 circular telegram work rotates, drive and dye frame 12 and rotate, it is rotatory to drive the dacron cloth when dyeing frame 12 rotates, the dyeing is more uniform, the polyester cloth is effectively prevented from being wound together, the dyeing efficiency is improved, in the dyeing process of the polyester cloth, due to the fact that the polyester cloth is different in material, the requirement on the pH value of the dye is different, the traditional dyeing device cannot timely detect the temperature of the dye when in use, the pH value is not in accordance with the requirement, the dye is excessively used, resources are wasted, after the dye is conveyed into the dyeing tank 23 by the water pump 5, the temperature sensor 2 in the dyeing tank 23 is electrified through an external power supply at the moment, the temperature sensing element in the electrified work of the temperature sensor 2 detects the temperature of the dye liquor in real time, when the temperature is lower than the preset temperature, the power supply of the heating pipe 3 at the bottom of the dye box 4 is switched on, the resistor in the heating pipe 3 is electrified, electric energy is converted into heat energy, the dye in the dye box 3 is heated, and the pH value of the dye is controlled, the utility rate of dyestuff is improved, and after the dyeing, open the valve 11 who dyes the 14 outsides of frame 12 bottom discharge pipe, intercommunication discharge pipe 14, remaining dyestuff passes through the inside separation cover 19 of discharge pipe 14, big back is little before the separation cover 19, discharge the piece impurity that exists to dyeing in-process, prevent the piece impurity backward flow simultaneously, and install tighrening ring 22 in separation cover 19 below, consolidate the 19 lower parts of separation cover, the life of separation cover 19 has been improved, inside incomplete bits and raffinate process the left filtration hopper 20 filtration circulation of discharge pipe 14 to raffinate case 15, carry out recovery processing, the efficiency of follow-up processing has been improved, the holistic feature of environmental protection of device has been improved.

It should be noted that the utility model relates to a simplified environment-friendly dyeing apparatus for polyester dyeing and finishing pretreatment, which comprises a base 1, a temperature sensor 2, a heating pipe 3, a dye box 4, a water pump 5, a feeding pipe 6, a sealing rubber ring 8, an outer top cover 9, a filter hole 10, a valve 11, a dyeing frame 12, a dyeing frame top cover 13, a discharge pipe 14, a raffinate box 15, a motor 16, a winding roller 17, a thread 18, a blocking sleeve 19, a filter hopper 20, a fixing bolt 21, a fastening ring 22 and a dyeing tank 23, wherein the electrical components are all products of the prior art, the technical personnel in the field select, install and complete the debugging operation of the circuit according to the use requirements to ensure that each electrical appliance can work normally, the components are universal standard components or components known by the technical personnel in the field, the structure and principle of the device can be known by the technical manual or can be known by the conventional experimental method, the applicant does not make specific limitations herein.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a dacron dyeing and finishing pretreatment simplifies environment-friendly dyeing apparatus, includes base (1), its characterized in that, the top fixed mounting of base (1) has dye jar (23), the inside below fixed mounting who dyes jar (23) has motor (16), the power take off end of motor (16) rotates and is connected with dye frame (12), the inside rotation of dye frame (12) is connected with winding roller (17), the top of dye frame (12) rotates and is connected with dye frame top cap (13), the top of dye jar (23) rotates and is connected with outer top cap (9), the right side fixed mounting of base (1) has dye box (4), the bottom fixed mounting of dye box (4) has heating pipe (3), the top fixed mounting of dye box (4) has water pump (5), the left side detachably connected with inlet pipe (6) of water pump (5), inlet pipe (6) below one end extends to the inside of dyeing case (4), and the other end of inlet pipe (6) extends to the inside of dyeing jar (23), the left side bottom of dyeing jar (23) can be dismantled the one end that is connected with delivery pipe (14), the other end of delivery pipe (14) can be dismantled and be connected with incomplete liquid case (15), the outside of delivery pipe (14) can be dismantled and be connected with valve (11).

2. The simplified environment-friendly dyeing device for the polyester fiber pretreatment before dyeing and finishing as claimed in claim 1, wherein threads (18) are turned inside the top end of the right side of the discharge pipe (14), a blocking sleeve (19) is detachably connected inside the threads (18), a fastening ring (22) is detachably mounted below the blocking sleeve (19), a filter hopper (20) is detachably mounted inside the left side of the discharge pipe (14), and a fixing bolt (21) is detachably mounted on the outer sides of the filter hopper (20) and the discharge pipe (14).

3. The simplified environment-friendly dyeing device for polyester dyeing and finishing pretreatment according to claim 1, characterized in that the number of the winding rollers (17) is several.

4. The simplified environment-friendly dyeing device for the polyester dyeing and finishing pretreatment, according to claim 1, characterized in that the bottom inside the dyeing tank (23) is fixedly provided with a temperature sensor (2), the surface of the dyeing tank (23) is provided with a plurality of filtering holes (10), and the joint of the outer top cover (9) and the dyeing tank (23) is embedded and connected with a sealing rubber ring (8).

5. The simplified environment-friendly dyeing device for polyester dyeing and finishing pretreatment according to claim 4, characterized in that the power input ends of the motor (16), the heating pipe (3), the winding roller (17), the water pump (5) and the temperature sensor (2) are electrically connected with the power output end of an external power supply, and the control signal input end of the heating pipe (3) is connected with the control signal output end of the temperature sensor (2).