CN120172594A

CN120172594A - An energy-saving color spinning and dyeing wastewater recovery and treatment device

Info

Publication number: CN120172594A
Application number: CN202510497225.0A
Authority: CN
Inventors: 袁宗兴; 吴平; 林宝霞; 郑彩虹
Original assignee: Xiangshui Zhongxing Textile Co ltd
Current assignee: Xiangshui Zhongxing Textile Co ltd
Priority date: 2025-04-21
Filing date: 2025-04-21
Publication date: 2025-06-20

Abstract

The present invention provides an energy-saving color spinning dyeing wastewater recovery and treatment device, which relates to the technical field of textile wastewater treatment, and comprises: a collecting pool, a reagent dosing pipe is provided on one side of the collecting pool, a positioning shell is installed at the upper position of the collecting pool, a discharge pipe is provided at the bottom position of the collecting pool on one side, a heater is installed at the middle position of the discharge pipe, and a mounting groove is provided at the middle position of the discharge pipe. The rotation of the threaded rod not only drives the scraper to clean the filter screen, but also drives the fan and stirring blades to operate through the transmission belt, and realizes multiple functions by using a single power source, reduces the use of additional power equipment, and further reduces energy consumption. The airflow generated by the fan contains oxygen, and the airflow generated by the fan can be discharged into the interior of the collecting pool through the exhaust hole, so that the wastewater in the collecting pool is oxidized.

Description

Energy-saving type colored spun yarn dyeing wastewater recycling device

Technical Field

The invention relates to the technical field of textile wastewater treatment, in particular to an energy-saving type colored spun yarn dyeing wastewater recovery treatment device.

Background

In the textile industry, the spun-dyed yarn dyeing process generates a large amount of wastewater, and the wastewater contains various complex pollutants such as dye, auxiliary agent, salt and micromolecular organic matters, if the wastewater is directly discharged, the wastewater not only causes serious pollution to surrounding water bodies and soil ecological environment, but also causes great waste of water resources, and the dyeing wastewater is recycled by a physical treatment method, a chemical treatment method and a biological treatment method at present, but the dyeing wastewater has the following defects:

When the physical treatment method is adopted to filter impurities in the wastewater, particles and impurities can stay above the filter screen, so that the cleaning labor force of workers is increased, and the filter screen is easy to block;

In the process of treating the dyeing wastewater of the spun-dyed yarn, oxidation, heating rings and stirring joints are main energy consumption points, a large amount of energy is required to be continuously provided for ensuring the activity of microorganisms and the proceeding of chemical reaction, but the existing equipment is relatively independent, and lacks effective linkage and cooperative working mechanisms, so that the optimal configuration and efficient utilization of the energy cannot be realized, and the whole energy consumption is overhigh;

Traditional heating mode is to the sewage heating of a large scale in the collecting vat, leads to waste water to be heated inhomogeneous in the heating process, needs longer time just can heat waste water to required treatment temperature to the efficiency of whole waste water treatment flow has been reduced.

Disclosure of Invention

The invention discloses an energy-saving colored spun yarn dyeing wastewater recycling device, wherein an operator introduces colored spun yarn dyeing wastewater into a filter screen above a positioning shell, the filter screen filters the wastewater, the filtered wastewater enters a collecting tank for collection, a reverse osmosis membrane is used for further treating the wastewater passing through a liquid inlet barrel, salt and micromolecular organic matters in the wastewater are separated, an electric motor is started, a scraper blade moves to push impurities blocked by the filter screen into the drainage shell for collection, a rack drives a rotating shaft to rotate, and a stirring blade is used for stirring the wastewater in the collecting tank.

The first aspect of the disclosure provides an energy-saving colored spun yarn dyeing wastewater recovery treatment device, which specifically comprises a collecting tank, a filter screen and a cleaning mechanism, wherein one side of the collecting tank is provided with a medicament feeding pipe, a positioning shell is arranged at the upper position of the collecting tank, a discharge pipe is arranged at one side of the bottom of the collecting tank, a heater is arranged at the middle position of the discharge pipe, a mounting groove is formed in the middle position of the discharge pipe, a heat conducting block is arranged in the mounting groove, a group of transverse flow holes are formed in the heat conducting block, the flow holes are distributed in a net shape, one side of the heat conducting block is provided with a stabilizing groove, the stabilizing groove is of a cylindrical structure, the bottom of the heater is arranged in the stabilizing groove, the upper position of the positioning shell is provided with a filter screen and a group of cleaning mechanism, a fan for pressing air into the collecting tank is arranged at the outer side of the collecting tank, a plurality of liquid inlet cylinders communicated with the collecting tank are arranged at the bottom position of the positioning shell, and one-way valves are arranged in the liquid inlet cylinders.

Further, a positioning frame is arranged at the inner side of the positioning shell, the filter screen is arranged at the upper position of the positioning frame, and a group of bolt mounting holes are formed in the edge positions of the positioning frame and the filter screen.

Further, the bottom position of the liquid inlet barrel is provided with a sliding hole, a sliding rod of the one-way valve penetrates through the inside of the sliding hole, a supporting spring is sleeved on the sliding rod of the one-way valve, and the upper end position of the liquid inlet barrel is provided with a baffle ring matched with the one-way valve.

Further, a reverse osmosis membrane is arranged at the baffle ring.

Further, two sides of the positioning shell are respectively provided with a drainage shell, one side of the drainage shell is provided with an opening groove, and the side wall of the positioning shell is provided with meshes communicated with the drainage shell.

Further, the top rotation of location casing is provided with a threaded rod, and one side of threaded rod is connected with electric motor's drive shaft, and a driving pulley is installed to one side of threaded rod, and a driven pulley is installed to the drive end of fan, installs a drive belt between driving pulley and the driven pulley.

Further, the output of fan is installed the blast pipe, and the blast pipe is equipped with a plurality of air-out ends, and the air-out end of blast pipe stretches into in the collecting vat and has seted up a plurality of crisscross exhaust holes of horizontal and vertical.

Further, the cleaning mechanism further comprises a threaded connection plate, a scraping plate is arranged at the bottom of the threaded connection plate, two sides of the threaded connection plate are respectively provided with a sliding hole along the vertical direction, two positioning rods are arranged at the upper ends of the scraping plate, the positioning rods penetrate through the sliding holes and are in sliding connection with the sliding holes, a supporting spring sleeved on the positioning rods is arranged between the threaded connection plate and the scraping plate, a sliding sleeve is arranged at the middle position of the threaded connection plate, the surface of the threaded rod is provided with two spiral grooves with equal screw pitches and opposite screw directions, circular arc transition grooves are formed at the starting points and the finishing points of the two spiral grooves, and the threaded rod and the sliding sleeve are matched to form a reciprocating screw.

Further, the cleaning mechanism comprises a scraping plate, a transverse rack is arranged on one side of the scraping plate, a rotating hole is formed in the middle of the filter screen, a rotating shaft is rotationally arranged in the rotating hole, the lower end of the rotating shaft extends into the collecting tank and is provided with a stirring blade, a gear is arranged at the upper end of the rotating shaft, and the gear is meshed with the rack.

The invention provides an energy-saving type colored spun yarn dyeing wastewater recycling device, which has the following beneficial effects:

1. The filter screen is arranged to intercept particle impurities in the wastewater preliminarily, and is matched with a reverse osmosis membrane in the liquid inlet cylinder to deeply separate salt and micromolecular organic matters, so that the wastewater is purified in a multi-level manner, the treatment effect is effectively improved, the effluent quality is better, and the strict environmental protection emission standard is met;

in addition, the scraper blade of automatic reciprocating motion has been set up, and the impurity on the scraper blade continuous clearance filter screen prevents that impurity from piling up the jam filter screen, has reduced the labour of manual cleaning, sets up threaded rod drive scraper blade and removes.

2. The rotation of the threaded rod not only drives the scraping plate to clean the filter screen, but also can drive the fan and the stirring blade to operate through the transmission belt, and the single power source is utilized to realize multiple functions, so that the use of additional power equipment is reduced, and the energy consumption is further reduced;

in addition, the air flow generated by the fan contains oxygen, and the air flow generated by the fan can be discharged into the collecting tank through the exhaust hole, so that the wastewater in the collecting tank is subjected to oxidation treatment.

3. The one-way valve is arranged on the basis of the collecting tank, so that the reverse flow of smell and methane in the collecting tank is effectively avoided, the pollution to the working environment and surrounding air is reduced, and the health and safety of operators are ensured.

4. The heat conducting block and the heater are arranged on the basis of the discharge pipe, the heat of the heater is uniformly diffused by the heat conducting block, flowing meshes are arranged in the heat conducting block, the heat conducting block and the heater in the discharge pipe are designed, discharged wastewater can be uniformly heated, the possible residual pathogens can be further killed by the wastewater, and the fluidity of the wastewater can be improved.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.

In the drawings:

FIG. 1 is a schematic view showing a shaft-side structure of an assembled wastewater reclamation treatment device of the present application;

FIG. 2 illustrates a schematic view of the rear view axial side structure of FIG. 1 in accordance with the present application;

FIG. 3 shows an isometric schematic view of a cut-away structure of the collection sump, positioning housing, filter screen of the present application;

FIG. 4 is an isometric schematic drawing of a partially cut-away structure from another perspective of the collection sump, positioning housing of the present application;

FIG. 5 is an isometric schematic view of a cut-away configuration of the collection well, positioning housing, and heat transfer block of the present application;

FIG. 6 shows an isometric schematic view of a filter screen, rotating shaft cut-away structure of the present application;

FIG. 7 shows a schematic view of the axial side structure of the cleaning mechanism of the present application;

FIG. 8 shows a schematic view of the axial side structure of the drain pipe and the heat conducting block of the present application;

FIG. 9 shows a schematic diagram of the front view of the collection tank, positioning shell and filter screen of the present application after being cut away;

fig. 10 shows an enlarged schematic view of the structure of fig. 5a according to the present application.

List of reference numerals

1. A collecting tank, 101, a discharge pipe;

2. A heat conduction block;

3. positioning a shell; 301, a drainage shell, 302, a liquid inlet cylinder, 303, a baffle ring;

4. A filter screen;

5. Cleaning mechanism, 501, electric motor, 502, threaded rod, 503, screw connection plate, 504, scraper, 50401 and rack;

6. a rotating shaft 601, stirring blades;

7. a fan 701 and an exhaust pipe;

8. A one-way valve;

9. A heater.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present invention fall within the protection scope of the present invention.

Please refer to fig. 1 to 10:

The invention provides an energy-saving colored spun yarn dyeing wastewater recycling device, which comprises a collecting tank 1, wherein one side of the collecting tank 1 is provided with a medicament feeding pipe, a positioning shell 3 is arranged at the upper position of the collecting tank 1, a discharge pipe 101 is arranged at the bottom of the collecting tank 1 at one side, a heater 9 is arranged at the middle position of the discharge pipe 101, a mounting groove is formed in the middle position of the discharge pipe 101, the mounting groove is of a U-shaped structure, a heat conducting block 2 is arranged in the mounting groove, a group of transverse flow holes are formed on the basis of the heat conducting block 2, the flow holes are distributed in a net shape, one side of the heat conducting block 2 is provided with a stabilizing groove, the stabilizing groove is of a cylindrical structure, the bottom of the heater 9 is arranged in the stabilizing groove, the heat conducting block 2 is made of a metal material with good heat conducting effect in the prior art, and the heater 9 heats the heat conducting block 2 and can uniformly diffuse heat;

In the embodiment of the disclosure, referring to fig. 1 to 10, a filter screen 4 and a group of cleaning mechanisms 5 are installed at the upper position of a positioning shell 3, a positioning frame is arranged at the inner side position of the positioning shell 3, the positioning frame is in a zigzag structure, the filter screen 4 is installed at the upper position of the positioning frame, a group of bolt installation holes are formed at the edge positions of the positioning frame and the filter screen 4, an operator needs to install bolts at the positions of the bolt installation holes to realize the stabilization of the filter screen 4, a drainage shell 301 is respectively arranged at the two side positions of the positioning shell 3, a scraper 504 pushes impurities blocked by the filter screen 4 to the inside of the drainage shell 301 to collect when moving, an opening groove is formed at one side of the drainage shell 301, a mesh hole communicated with the drainage shell 301 is formed on the side wall of the positioning shell 3, water doped in the impurities can pass through the mesh hole to enter the positioning shell 3, a baffle ring 303 is arranged at the upper end of a liquid inlet cylinder 302, a reverse osmosis membrane is arranged at the baffle ring 303, and the reverse osmosis membrane in the reverse osmosis membrane selection prior art further separates salt and small molecular organic matters in the wastewater to realize the deep purification and reverse osmosis membrane recovery of water resources;

In the embodiment of the disclosure, referring to fig. 1 to 10, a positioning lug plate is arranged at the upper position of a positioning shell 3, a rotating hole is formed in the positioning lug plate, a threaded rod 502 is inserted in the rotating hole, one side of the threaded rod 502 is connected with a driving shaft of an electric motor 501, an operator refers to a wedge positioning structure in the prior art, a wedge is installed between the threaded rod 502 and the driving shaft to firmly assemble, a scraper 504 is installed at the bottom position of a threaded connecting plate 503, two sliding holes are respectively formed in two sides of the threaded connecting plate 503, two positioning rods are arranged at the upper position of the scraper 504, a supporting spring is installed at the outer side of the positioning rod penetrating through the inner side of the sliding holes, the supporting spring presses the scraper 504 downwards, the bottom of the scraper 504 is in flexible contact with a filter screen 4, a sliding sleeve is arranged at the middle position of the threaded connecting plate 503, the threaded rod 502 penetrates through the inner side of the sliding sleeve, the threaded rod 502 is of a double-threaded structure, the threaded rod 502 and is matched with the sliding sleeve to form a reciprocating screw, the electric motor 501, the threaded rod 502 and the scraper 504 are mutually matched to jointly form a cleaning mechanism 5, and referring to the double-threaded structure in the prior art, when the threaded rod 502 rotates, the threaded rod 503 can drive the threaded connecting plate 503 to reciprocate, a sliding plate 503 to move, a supporting plate to automatically, and the scraper 504 can drive the scraper to reciprocate to move, and the filter screen 4 to clean impurities, and prevent impurities from blocking on the filter screen 4.

In this disclosed embodiment, referring to fig. 1 to 10, a rotation hole is formed in the middle position of the filter screen 4, a rotation shaft 6 is rotatably disposed in the rotation hole, a gear is mounted at the upper end position of the rotation shaft 6, the lower end extends into the collecting tank 1 and is provided with a stirring blade 601, a transverse rack 50401 is disposed at one side of the scraper 504, the scraper 504 drives the rack 50401 to move synchronously when moving, the gear is meshed with the rack 50401, the gear can be driven to rotate when the rack 50401 moves, and at this time, the stirring blade 601 stirs the wastewater in the collecting tank 1, so that the wastewater can be treated uniformly.

The outside of collecting vat 1 is equipped with a firm board that has the bolt mounting hole, a fan 7 is installed to the top position of firm board, operating personnel need install supporting bolt with the position of bolt mounting hole, realize the firm effect of fan 7 mounted position after the bolt is installed, the blast pipe 701 is installed to the output of fan 7, the blast pipe 701 is equipped with a plurality of air-out ends, the air-out end of blast pipe 701 stretches into in the collecting vat 1 and has seted up a plurality of crisscross exhaust holes of horizontal and vertical, contain oxygen in the air current that fan 7 produced, the air current that fan 7 produced can be through the inside of exhaust hole emission to collecting vat 1, make the waste water in the collecting vat 1 obtain oxidation treatment.

In the embodiment of the disclosure, referring to fig. 1 to 10, a driving pulley is installed on one side of the threaded rod 502, a driven pulley is installed in the middle of the fan 7, and a driving belt is installed between the driving pulley and the driven pulley, so that the driving belt can be driven to rotate when the threaded rod 502 rotates, and the fan 7 is stressed to start to operate.

The bottom position of the positioning shell 3 is provided with two liquid inlet barrels 302, a one-way valve 8 is arranged at the inner side position of the liquid inlet barrels 302, the liquid inlet barrels 302 are communicated with the collecting tank 1, waste water filtered by the filter screen 4 can pass through the liquid inlet barrels 302 to enter the collecting tank 1 for collection, the upper end position of the liquid inlet barrels 302 is provided with a baffle ring 303, the bottom position of the liquid inlet barrels 302 is provided with a sliding hole, a sliding rod of the one-way valve 8 passes through the inside of the sliding hole, a supporting spring is arranged at the outer side position of the sliding rod of the one-way valve 8, the supporting spring pushes the upper part of the one-way valve 8 to be in elastic contact with the baffle ring 303, and when sewage is treated, the arrangement of the one-way valve 8 prevents odor and methane from flowing reversely.

In the second embodiment, on the basis of the first embodiment, referring to fig. 1 to 10, a recovery hole is formed above the positioning housing 3, and a drainage tube of a recoverer for salt and small molecular organic matters in the prior art needs to be connected with the recovery hole.

In the third embodiment, based on the first embodiment, referring to fig. 1 to 10, biogas generated in the collecting tank 1 is conveyed to the energy recovery device through a pipeline, and the energy recovery device converts the biogas into electric energy or heat energy, so as to provide energy support for the electric motor 501 and the aeration device, realize the recycling of energy, and reduce the overall energy consumption of the device.

The working principle of the embodiment is as follows:

the installation of the device, an operator firmly connects the collecting tank 1, the positioning shell 3 and the discharge pipe 101, correctly installs the filter screen 4 on the positioning frame and is firmly fixed through bolts, simultaneously, sequentially installs the scraping plate 504, the rotating shaft 6 and the fan 7, correctly installs the heater 9 in the stable groove of the heat conducting block 2, and installs the one-way valve 8 in the liquid inlet cylinder 302;

the method comprises the steps of collecting and primarily filtering the waste water, wherein an operator introduces the colored spun yarn dyeing waste water into a filter screen 4 above a positioning shell 3, the waste water is primarily filtered through the filter screen 4 under the action of gravity, the filtered waste water passes through a liquid inlet cylinder 302 and enters a collecting tank 1 for collection, and a reverse osmosis membrane is used for further treating the waste water passing through the liquid inlet cylinder 302 to separate salt and micromolecular organic matters in the waste water so as to realize deep purification and recovery of water resources;

The method comprises the steps of cleaning a filter screen 4 and stirring wastewater, an electric motor 501 is started, a driving shaft of the electric motor 501 drives a threaded rod 502 to rotate, the threaded rod 502 drives a threaded connection plate 503 to reciprocate when rotating, the threaded connection plate 503 drives a scraper 504 to reciprocate when moving, the scraper 504 pushes impurities blocked by the filter screen 4 into a drainage shell 301 to collect the impurities in the drainage shell in the moving process, the water doped in the impurities enters a collecting tank 1 through meshes, a rack 50401 on one side of the scraper 504 moves synchronously with the scraper 504, the rack 50401 is meshed with a gear above a rotating shaft 6 to drive the rotating shaft 6 to rotate, so that a stirring blade 601 stirs the wastewater in the collecting tank 1, and the wastewater can be uniformly contacted with a treatment agent to be uniformly treated;

In the waste water oxidation treatment step, when the threaded rod 502 rotates, the driving belt wheel, the driving belt and the driven belt wheel drive the fan 7 to operate, and the air flow containing oxygen generated by the fan 7 is discharged into the collecting tank 1 through the exhaust hole of the exhaust pipe 701, so that the waste water in the collecting tank 1 is oxidized;

A waste water heating and discharging step, when the treated waste water is required to be discharged, an operator starts a heater 9, the heater 9 heats the heat conducting block 2, the heat conducting block 2 uniformly diffuses heat through the flow holes distributed in a net shape, the waste water in the discharge pipe 101 is heated, a valve on the discharge pipe 101 is opened, and the treated waste water is discharged out of the device through the discharge pipe 101;

By adopting the scheme of the second embodiment, the drainage tube of the recoverer for salt and small molecular organic matters in the prior art is connected to the recovery hole above the positioning shell 3, and the separated salt and small molecular organic matters are recovered.

In this context, the following points need to be noted:

1. The drawings of the embodiments of the present disclosure relate only to the structures related to the embodiments of the present disclosure, and reference may be made to the general design for other structures.

2. The embodiments of the present disclosure and features in the embodiments may be combined with each other to arrive at a new embodiment without conflict.

The foregoing is merely a specific embodiment of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it should be covered in the protection scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an energy-saving spun-dyed yarn dyeing wastewater recovery processing device, includes collecting vat (1), filter screen (4) and clean mechanism (5), one side of collecting vat (1) is equipped with a medicament and throws the pipe, the top of collecting vat (1) installs a positioning shell (3), the bottom position of collecting vat (1) is equipped with a drain pipe (101) in one side, a heater (9) is installed in the intermediate position of drain pipe (101), an installation groove is seted up to the intermediate position of drain pipe (101), an internally mounted heat conduction piece (2) of installation groove, set up a set of horizontal flow hole on the basis of heat conduction piece (2), the netted distribution of flow hole, a firm groove is seted up to one side of heat conduction piece (2), the firm groove is cylindrical structure, the inside of firm groove is installed to the bottom of heater (9), a filter screen (4) are installed to the top position of positioning shell (3), a set of clean mechanism (5), fan (7) of air-in to collecting vat (1) are installed in the outside of collecting vat (1), the bottom position of positioning shell (3) is equipped with a plurality of one-way valves (302) are installed in the feed liquor (302) and feed through in a plurality of feed-through cylinder (1).

2. The energy-saving type colored spun yarn dyeing wastewater recycling device according to claim 1, which is characterized in that,

The inner side of the positioning shell (3) is provided with a positioning frame, the filter screen (4) is arranged above the positioning frame, and a group of bolt mounting holes are formed in the edge positions of the positioning frame and the filter screen (4).

3. The energy-saving type colored spun yarn dyeing wastewater recycling device according to claim 1, which is characterized in that,

The bottom position of the liquid inlet barrel (302) is provided with a sliding hole, a sliding rod of the one-way valve (8) penetrates through the inside of the sliding hole, a supporting spring is sleeved on the sliding rod of the one-way valve (8), and the upper end position of the liquid inlet barrel (302) is provided with a baffle ring (303) matched with the one-way valve (8).

4. An energy-saving type colored spun yarn dyeing wastewater recycling device according to claim 3, characterized in that,

And a reverse osmosis membrane is arranged at the baffle ring (303).

5. The energy-saving type colored spun yarn dyeing wastewater recycling device according to claim 1, which is characterized in that,

Two sides of the positioning shell (3) are respectively provided with a drainage shell (301), one side of the drainage shell (301) is provided with an open slot, and the side wall of the positioning shell (3) is provided with meshes communicated with the drainage shell (301).

6. The energy-saving type colored spun yarn dyeing wastewater recycling device according to claim 1, which is characterized in that,

The upper portion of location casing (3) rotates and is provided with a threaded rod (502), and one side of threaded rod (502) and the drive shaft connection of electric motor (501), a driving pulley is installed to one side of threaded rod (502), and driven pulley is installed to the drive end of fan (7), installs a drive belt between driving pulley and the driven pulley.

7. The energy-saving type colored spun yarn dyeing wastewater recycling device according to claim 6, wherein,

The output end of the fan (7) is provided with an exhaust pipe (701), the exhaust pipe (701) is provided with a plurality of air outlet ends, and the air outlet ends of the exhaust pipe (701) extend into the collecting tank (1) and are provided with a plurality of air outlet holes which are staggered horizontally and vertically.

8. The energy-saving type colored spun yarn dyeing wastewater recycling device according to claim 6, wherein,

The cleaning mechanism further comprises a threaded connection plate (503), a scraping plate (504) is arranged at the bottom of the threaded connection plate (503), two edges of the threaded connection plate (503) are respectively provided with a sliding hole along the vertical direction, two positioning rods are arranged at the upper ends of the scraping plate (504), the positioning rods penetrate through the sliding holes and are in sliding connection with the sliding holes, supporting springs sleeved on the positioning rods are arranged between the threaded connection plate (503) and the scraping plate (504), sliding sleeves are arranged at the middle positions of the threaded connection plate (503), the surfaces of the threaded rods (502) are provided with two spiral grooves with equal screw pitches and opposite screw directions, circular arc transition grooves are formed at the starting points and the finishing points of the two spiral grooves, and the threaded rods (502) and the sliding sleeves are matched to form a reciprocating screw.

9. The energy-saving type colored spun yarn dyeing wastewater recycling device according to claim 8, which is characterized in that,

The cleaning mechanism comprises a scraping plate (504), one side of the scraping plate (504) is provided with a transverse rack (50401), a rotating hole is formed in the middle position of the filter screen (4), a rotating shaft (6) is rotatably arranged in the rotating hole, the lower end of the rotating shaft (6) extends into the collecting tank (1) and is provided with a stirring blade (601), a gear is arranged at the upper end of the rotating shaft (6), and the gear is meshed with the rack (50401).