A treatment device for dyeing and finishing wastewater

By introducing backwashing and removable filter screens into the dyeing and finishing wastewater treatment device, the problem of easy clogging of the filter mechanism is solved, the filtration efficiency and maintenance convenience are improved, and the maintenance process is simplified.

CN224411455UActive Publication Date: 2026-06-26GUANGDONG VOCATIONAL & TECHNICAL COLLEGE

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG VOCATIONAL & TECHNICAL COLLEGE
Filing Date
2025-07-15
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

In existing dyeing and finishing wastewater treatment devices, the filtration mechanism is easily clogged by water-insoluble particles, resulting in a decrease in filtration efficiency. In severe cases, it is necessary to shut down the machine for cleaning, which brings difficulties to the operation.

Method used

A device comprising a housing, a filtration mechanism, and a backwashing mechanism is designed. The filter screen is backwashed by a high-pressure water jet through a nozzle on a slider. The device is equipped with a detachable filter screen and a stirring mechanism to improve filtration efficiency.

Benefits of technology

It enables rapid restoration of the filter screen's filtration capacity, reduces downtime for maintenance, improves filtration efficiency and mixing effect, and simplifies the maintenance process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of for dyeing and finishing wastewater's treatment device, including box, filtering mechanism and backflush mechanism, the top of the box is provided with upper cover, detachably filtering mechanism is arranged between the upper cover and box, the lower portion of the filtering mechanism is provided with backflush mechanism;The backflush mechanism includes lead screw and slide rail, the slide rail is fixedly arranged on the lateral wall of the box, the lead screw is rotatably arranged in box, sliding block is slidably arranged on the slide rail, the sliding block is threadedly cooperated with the lead screw, the sliding block is provided with the spray head matched with the lower surface of the filtering mechanism.The utility model is used for dyeing and finishing wastewater's treatment device, simple structure, practical function, ingenious design, effectively solve the filtering mechanism often be blocked by the particle that is insoluble in water, influence filtration efficiency, need to stop cleaning when serious, bring certain difficult problem in use process.
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Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment equipment, and in particular to a treatment device for dyeing and finishing wastewater. Background Technology

[0002] Dyeing and printing wastewater refers to the wastewater discharged from blended textiles, silk dyeing and finishing, wool dyeing and finishing, and silk factories. This wastewater is characterized by high levels of organic pollutants, high alkalinity, and its discharge can easily affect water quality. Therefore, wastewater treatment equipment is needed to remove the organic pollutants. Current technology typically involves pre-filtration of the wastewater before mixing it with chemical agents. However, in practical use, it has been found that the filtration mechanism is frequently clogged by water-insoluble particles, affecting filtration efficiency and sometimes requiring shutdown for cleaning, posing significant challenges to operation. Therefore, developing a treatment device for dyeing and finishing wastewater has become an urgent problem for those skilled in the art. Utility Model Content

[0003] The purpose of this invention is to provide a treatment device for dyeing and finishing wastewater, which solves the problem that the filtration mechanism is often blocked by water-insoluble particles, affecting the filtration efficiency and requiring shutdown for cleaning in severe cases, which brings certain difficulties to the use process.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] This utility model discloses a treatment device for dyeing and finishing wastewater, comprising a housing, a filtration mechanism, and a backwashing mechanism. A top cover is provided at the top of the housing, and the filtration mechanism is detachably mounted between the top cover and the housing. A backwashing mechanism is located below the filtration mechanism. The backwashing mechanism includes a lead screw and a slide rail. The slide rail is fixedly mounted on the side wall of the housing, and the lead screw is rotatably mounted inside the housing. A slider is slidably mounted on the slide rail, and the slider is threadedly engaged with the lead screw. A nozzle is mounted on the slider that engages with the lower surface of the filtration mechanism.

[0006] Furthermore, the slider is provided with a telescopic tube that cooperates with the nozzle, and the telescopic tube is connected to an external high-pressure water source.

[0007] Furthermore, a stirring mechanism is provided at the bottom of the box body. The stirring mechanism includes a rotating shaft and a chain. The rotating shaft is rotatably disposed at the bottom of the box body. A chain is disposed on the circumference of the rotating shaft, and a ball is disposed at the end of the chain.

[0008] Furthermore, a second motor for driving the rotating shaft is provided on the lower surface of the housing; and a support leg is provided at the bottom end of the housing.

[0009] Furthermore, the top of the housing is provided with an inlet pipe that cooperates with the filtration mechanism, and the bottom of the housing is provided with an outlet pipe; a first motor that cooperates with the lead screw is provided on the side wall of the housing.

[0010] Furthermore, the filtration mechanism includes a filter screen and a mounting frame. The filter screen is fixedly mounted on the mounting frame via a connecting frame, and the mounting frame is fixedly mounted between the housing and the top cover via bolts.

[0011] Furthermore, a chemical reagent box is provided on the side wall of the box, and the chemical reagent box is provided with a replenishment pipe and a dispensing pipe, the dispensing pipe being connected to the box.

[0012] Furthermore, a guide plate is provided above the stirring mechanism.

[0013] Compared with the prior art, the beneficial technical effects of this utility model are as follows:

[0014] This invention relates to a wastewater treatment device for dyeing and finishing. A backwashing mechanism is installed below the filtration unit, where nozzles on the slider use high-pressure water to backwash the filter screen, quickly restoring its filtration capacity and extending downtime for maintenance. The filter screen is detachably mounted between the housing and the top cover via a mounting frame, facilitating disassembly and maintenance. The device's stirring mechanism includes balls connected by a chain; the chain angle changes with different rotational speeds, resulting in enhanced stirring. In summary, this wastewater treatment device for dyeing and finishing features a simple structure, practical function, and ingenious design. It effectively solves the problem of filtration mechanisms being frequently clogged by water-insoluble particles, affecting filtration efficiency and requiring shutdown for cleaning in severe cases, thus posing challenges during operation. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings:

[0016] Figure 1 This is a schematic diagram of the internal structure of the device for treating dyeing and finishing wastewater according to this utility model;

[0017] Figure 2 for Figure 1 Enlarged view of the intermediate filtration mechanism and backflushing mechanism;

[0018] Figure 3 Top view of the filter mechanism;

[0019] Figure 4 This is an isometric view of the filter mechanism.

[0020] Explanation of reference numerals in the attached drawings: 1. Box body; 101. Top cover; 102. Liquid inlet pipe; 103. Liquid outlet pipe; 104. Support leg; 105. Guide plate; 2. Filtration mechanism; 201. Mounting frame; 202. Connecting frame; 203. Filter screen; 3. Backflush mechanism; 301. Lead screw; 302. Slide rail; 303. Slider; 304. Nozzle; 305. First motor; 4. Chemical reagent tank; 401. Replenishment pipe; 402. Discharge pipe; 5. Stirring mechanism; 501. Second motor; 502. Rotating shaft; 503. Chain; 504. Sphere. Detailed Implementation

[0021] like Figures 1 to 4 As shown, a treatment device for dyeing and finishing wastewater includes a housing 1, a filtration mechanism 2, and a backwashing mechanism 3.

[0022] The top of the housing 1 is provided with a top cover 101, and a filter mechanism 2 is detachably provided between the top cover 101 and the housing 1. A backflushing mechanism 3 is provided below the filter mechanism 2. The top of the housing 1 is provided with a liquid inlet pipe 102 that cooperates with the filter mechanism 2, and the bottom of the housing 1 is provided with a liquid drain pipe 103.

[0023] The filter mechanism 2 includes a filter screen 203 and a mounting frame 201. The filter screen 203 is fixedly mounted on the mounting frame 201 via a connecting frame 202. The mounting frame 201 is fixedly mounted between the housing 1 and the top cover 101 via bolts.

[0024] The filter screen plate 2 of this utility model for the treatment device of dyeing and finishing wastewater is detachably installed between the box body 1 and the top cover 101 through the mounting frame 201, which facilitates disassembly and maintenance.

[0025] The backwash mechanism 3 includes a lead screw 301 and a slide rail 302. The slide rail 302 is fixedly mounted on the side wall of the housing 1, and the lead screw 301 is rotatably mounted inside the housing 1. A first motor 305, which cooperates with the lead screw 301, is mounted on the side wall of the housing 1. A slider 303 is slidably mounted on the slide rail 302, and the slider 303 is threadedly engaged with the lead screw 301. A nozzle 304, which cooperates with the lower surface of the filter mechanism 2, is mounted on the slider 303. A telescopic tube, which cooperates with the nozzle 304, is mounted on the slider 303 and is connected to an external high-pressure water source.

[0026] The present invention provides a backwashing mechanism 3 below the filter mechanism 203 for the treatment of dyeing and finishing wastewater. The nozzle 304 on the slider 303 uses high-pressure water flow to backwash the filter screen 203, which can quickly restore the filtration capacity of the filter screen 203 and postpone the downtime for maintenance.

[0027] A chemical reagent box 4 is provided on the side wall of the box 1. The chemical reagent box 4 is provided with a replenishment pipe 401 and a dispensing pipe 402. The dispensing pipe 402 is connected to the box 1.

[0028] A stirring mechanism 5 is provided at the bottom of the housing 1, and a guide plate 105 is provided above the stirring mechanism 5. The stirring mechanism 5 includes a rotating shaft 502 and a chain 503. The rotating shaft 502 is rotatably disposed at the bottom of the housing 1, and the chain 503 is disposed on the circumferential surface of the rotating shaft 502. A ball 504 is disposed at the end of the chain 503. A second motor 501 for driving the rotating shaft 502 is disposed on the lower surface of the housing 1; a support leg 104 is disposed at the bottom end of the housing 1.

[0029] The stirring mechanism 5 of this utility model for treating dyeing and finishing wastewater is equipped with a ball 504 connected by a chain 503. The angle of the chain 503 will change at different speeds, resulting in a higher stirring effect.

[0030] First, the wastewater enters the upper cover 101 through the inlet pipe 102; then, the wastewater passes through the filter screen 203 and the guide plate 105 in sequence; then, the wastewater is fully mixed with the chemicals discharged from the chemical reagent tank 4 under the action of the stirring mechanism 5; finally, the wastewater is discharged through the drain pipe 103.

[0031] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A treatment device for dyeing and finishing wastewater, characterized in that: The device includes a housing (1), a filter mechanism (2), and a backflushing mechanism (3). The top of the housing (1) is provided with a top cover (101). The filter mechanism (2) is detachably provided between the top cover (101) and the housing (1). The backflushing mechanism (3) is provided below the filter mechanism (2). The backflushing mechanism (3) includes a lead screw (301) and a slide rail (302). The slide rail (302) is fixedly provided on the side wall of the housing (1). The lead screw (301) is rotatably provided inside the housing (1). A slider (303) is slidably provided on the slide rail (302). The slider (303) is threadedly engaged with the lead screw (301). A nozzle (304) is provided on the slider (303) and engages with the lower surface of the filter mechanism (2).

2. The treatment apparatus for dyeing and finishing wastewater according to claim 1, characterized in that: The slider (303) is provided with a telescopic tube that cooperates with the nozzle (304), and the telescopic tube is connected to an external high-pressure water source.

3. The treatment apparatus for dyeing and finishing wastewater according to claim 1, characterized in that: The bottom of the box (1) is provided with a stirring mechanism (5), which includes a rotating shaft (502) and a chain (503). The rotating shaft (502) is rotatably disposed at the bottom of the box (1), and a chain (503) is disposed on the circumferential surface of the rotating shaft (502). A ball (504) is disposed at the end of the chain (503).

4. The treatment apparatus for dyeing and finishing wastewater according to claim 3, characterized in that: A second motor (501) for driving the rotating shaft (502) is provided on the lower surface of the housing (1); a support leg (104) is provided at the bottom end of the housing (1).

5. The treatment apparatus for dyeing and finishing wastewater according to claim 1, characterized in that: The top of the box (1) is provided with an inlet pipe (102) that cooperates with the filter mechanism (2), and the bottom of the box (1) is provided with a drain pipe (103); the side wall of the box (1) is provided with a first motor (305) that cooperates with the lead screw (301).

6. The treatment apparatus for dyeing and finishing wastewater according to claim 1, characterized in that: The filtration mechanism (2) includes a filter screen (203) and a mounting frame (201). The filter screen (203) is fixedly mounted on the mounting frame (201) by a connecting frame (202). The mounting frame (201) is fixedly mounted between the box body (1) and the top cover (101) by bolts.

7. The treatment apparatus for dyeing and finishing wastewater according to claim 1, characterized in that: A chemical reagent box (4) is provided on the side wall of the box (1). A replenishment pipe (401) and a dispensing pipe (402) are provided on the chemical reagent box (4). The dispensing pipe (402) is connected to the box (1).

8. The treatment apparatus for dyeing and finishing wastewater according to claim 3, characterized in that: A guide plate (105) is provided above the stirring mechanism (5).