Oxygen bleaching machine for cloth printing and dyeing
By designing a filtration and regeneration system for the oxygen bleaching machine, the problems of secondary pollution and equipment blockage caused by impurities flowing back into the waste liquid recycling system were solved, achieving efficient dehydration and water-saving effects for the fabric.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGXING DEHONG MACHINERY CO LTD
- Filing Date
- 2025-09-09
- Publication Date
- 2026-07-31
AI Technical Summary
The existing oxygen bleaching machine's waste liquid circulation system carries impurities back to the rinsing tank via a regenerated rinsing liquid pump, leading to secondary contamination of the fabric and equipment blockage and damage.
An oxygen bleaching machine was designed, comprising a rinsing tank, a reaction tank, a filter tank, a transmission tank, and a stirring motor. Through the cooperation of the drain pipe, filter tank, connecting pipe, stirring motor, and circulation pipe, the waste liquid is filtered and regenerated, preventing impurities from flowing back. Mechanical extrusion and thermal evaporation are used in conjunction with a water squeezing component and a heating hood for dehydration.
It effectively solves the problems of secondary pollution and equipment blockage caused by impurity backflow, achieves efficient dehydration of fabric and water conservation and emission reduction, and avoids equipment damage and resource waste.
Smart Images

Figure CN224578475U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of oxygen bleaching machine technology, specifically to an oxygen bleaching machine for fabric printing and dyeing. Background Technology
[0002] Oxygen bleaching is a preparatory process before fabric printing and dyeing. It mainly involves first washing the fabric in a water tank, then bleaching it in an oxygen bleaching tank containing hydrogen peroxide solution, and finally drying it in a steam oven. Oxygen bleaching can effectively remove the natural pigments on the fabric, thus bleaching it. On the other hand, it can also remove impurities on the fabric surface, such as lint, cottonseed hulls, and thread ends, improving the cleanliness and smoothness of the fabric.
[0003] According to the search, CN212025642U discloses a circulation device for an oxygen bleaching machine, including a rinsing tank. Both sides of the rinsing tank are welded with clamping plates, and a support column is welded to the bottom of the rinsing tank. A circulation mechanism is provided at the bottom of the support column. A first roller is sleeved on the surface of a first rotating shaft. A second rotating shaft is rotatably connected inside the clamping plates. A second roller is sleeved on the surface of the second rotating shaft. A first motor is bolted to the right side of the rinsing tank.
[0004] The aforementioned utility model involves flowing the waste liquid from the rinsing tank into the reaction tank, adding reactants, and starting the No. 2 motor. The stirring rod rotates, thereby accelerating the reaction between the reactants and the waste liquid, greatly increasing work efficiency. The waste liquid, which is then converted back into rinsing liquid, is pumped into the circulation pipe and flows back into the rinsing tank, thus greatly saving costs and protecting the environment. However, the waste liquid flowing out of the rinsing tank still contains impurities. When the regenerated rinsing liquid carrying impurities is pumped back into the rinsing tank for cleaning subsequent fabrics, these impurities will re-adhere to the clean fabric. This violates the original intention of oxygen bleaching to remove impurities and improve cleanliness, seriously affecting the smoothness, appearance quality, and grade of the fabric. It can also cause pipe blockage, pump damage, and stirrer jamming.
[0005] Therefore, it is of great importance to design an oxygen bleaching machine for fabric printing and dyeing to solve the above-mentioned defects. Utility Model Content
[0006] To address the shortcomings of existing technologies, this utility model designs an oxygen bleaching machine for fabric printing and dyeing. This oxygen bleaching machine aims to solve the technical problem that existing waste liquid recycling systems pump recycled bleaching liquid carrying impurities back to the bleaching tank, causing secondary pollution of the fabric and clogging and damage to the equipment.
[0007] To achieve the above objectives, this utility model provides the following technical solution:
[0008] An oxygen bleaching machine for fabric printing and dyeing includes a rinsing tank and a reaction tank. The rinsing tank is fixedly installed on the top of the reaction tank. Both the front and rear sides of the rinsing tank have material inlets. A water-squeezing assembly is fixedly installed at the front end inside the rinsing tank. A drain pipe is fixedly connected to the bottom left side of the rinsing tank. A filter box is fixedly installed on the left side of the reaction tank, below the drain pipe. A connecting pipe is fixedly connected to the bottom right side of the filter box. A transmission box is fixedly installed in the middle of the top of the reaction tank. A stirring motor is fixedly installed at the right end of the top of the transmission box. A circulation pipe is fixedly connected to the rear left side of the reaction tank.
[0009] A liquid guide hopper is fixedly installed at the top of the inside of the filter box. A filter tube is fixedly connected to the bottom of the inside of the liquid guide hopper. A first filter screen is fixedly connected to the bottom of the inside of the filter tube. A rotating shaft is rotatably connected to the left end of the transmission box and inside the filter tube. The stirring motor is connected to the rotating shaft via a synchronous belt pulley set. Two sets of scrapers are fixedly connected to the bottom of the rotating shaft. A collection box is slidably connected inside the filter box and below the first filter screen. A second filter screen is fixedly connected to the bottom of the inside of the collection box.
[0010] As a preferred embodiment of this utility model, a box plate is fixedly installed on the top of the filter box, a first pump is fixedly installed between the drain pipe and the box plate, and a cleaning door is hinged to the front end of the box plate.
[0011] As a preferred embodiment of this utility model, self-locking casters are installed at the four corners of the bottom of the reaction chamber, and a waste discharge pipe is fixedly connected to the front end of the left side of the reaction chamber.
[0012] As a preferred embodiment of this utility model, a conveying roller is rotatably connected to the middle of the bottom of the rinsing tank, and a drive motor is fixedly installed on the left side of the rinsing tank at a position corresponding to the conveying roller. The drive motor is fixedly connected to the conveying roller, and guide rollers are rotatably connected to the upper and lower ends of the two sets of feed inlets.
[0013] As a preferred embodiment of this utility model, the dewatering assembly includes a first fixed frame fixedly installed inside the front end of the rinsing tank, a heating cover fixedly installed at the bottom of the first fixed frame, a cylinder fixedly installed at the left end of the top of the first fixed frame, a slidably connected stabilizing rod at the right end of the top of the first fixed frame, a connecting frame fixedly installed at the bottom of both the cylinder and the stabilizing rod, a first pressure roller rotatably connected between the two sets of connecting frames, a second fixed frame fixedly installed inside the rinsing tank and below the first pressure roller, a second pressure roller rotatably connected inside the second fixed frame, and an electric heating tube fixedly installed inside the heating cover.
[0014] As a preferred embodiment of this utility model, a stirring shaft is fixedly installed on the drive end of the stirring motor and inside the rinsing tank, and multiple sets of stirring paddles are fixedly installed on the outside of the stirring shaft.
[0015] As a preferred embodiment of this utility model, a second pump is fixedly installed at the bottom end of the circulation pipe, and a spray pipe is fixedly installed at the top end of the circulation pipe and inside the rinsing tank. Multiple spray heads are fixedly connected to the outside of the spray pipe.
[0016] Compared with the prior art, the beneficial effects of this utility model are:
[0017] 1. In this utility model, through the coordinated design of the drain pipe, filter box, connecting pipe, transmission box, stirring motor and circulation pipe, the rinsing waste liquid enters the filter box through the drain pipe. After being dispersed by the guide bucket, the waste liquid flows into the filter pipe. The first filter screen intercepts large particles of impurities. The stirring motor drives the rotating shaft to rotate through the synchronous belt pulley set, which drives the scraper to remove the impurities attached to the surface of the first filter screen to prevent clogging. The filtered liquid passes through the first filter screen and enters the collection box. The second filter screen further intercepts fine particles. After the impurities accumulate, they can be extracted from the collection box for treatment. The filtered waste liquid enters the reaction tank through the connecting pipe, reacts with the newly added effective ingredients and is then recycled to ensure the rinsing effect. The regenerated liquid after filtration is pumped out by the second pump and introduced into the rinsing tank through the circulation pipe. It is then evenly sprayed onto the fabric through multiple sets of spray heads on the outside of the spray pipe for reuse, achieving water saving and emission reduction. The secondary filtration completely solves the problems of secondary pollution from impurity backflow and equipment clogging and damage.
[0018] 2. In this utility model, through the design of the water collection component, the rinsed fabric is squeezed by the first pressure roller and the second pressure roller. The cylinder can adjust the height of the first pressure roller according to the thickness of the fabric. With the heat assistance of the electric heating tube in the heating cover, the mechanical squeezing and thermal evaporation are combined to achieve dehydration. This not only effectively improves the dehydration effect of the fabric, but also completes all squeezing actions in the rinsing tank, avoiding the leakage problem caused by the external roller in the existing patent, and further avoiding waste. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 2 This is a schematic diagram of the reaction chamber structure of this utility model;
[0021] Figure 3 for Figure 2 Enlarged view of point A in the middle;
[0022] Figure 4 This is a schematic diagram of the water-squeezing component structure of this utility model;
[0023] Figure 5This is a schematic diagram of the internal structure of the heating cover of this utility model.
[0024] In the diagram: 1. Rinse tank; 2. Reaction tank; 201. Self-locking caster wheel; 202. Waste discharge pipe; 3. Feed inlet; 301. Conveying roller; 302. Drive motor; 303. Guide roller; 4. Dewatering assembly; 401. First fixed frame; 402. Heating cover; 403. Cylinder; 404. Stabilizing bar; 405. Connecting frame; 406. First pressure roller; 407. Second fixed frame; 408. Second pressure roller; 409. Heating element; 5. Drain pipe; 501. First 6. Pump; 6. Filter box; 601. Liquid guide hopper; 602. Filter tube; 603. First filter screen; 604. Rotating shaft; 605. Synchronous belt pulley set; 606. Scraper; 607. Collection box; 608. Second filter screen; 609. Box plate; 610. Cleaning door; 7. Connecting pipe; 8. Transmission box; 9. Stirring motor; 901. Stirring shaft; 902. Stirring paddle; 10. Circulation pipe; 1001. Second pump; 1002. Spray pipe; 1003. Spray head. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0026] Example: Please refer to Figures 1-5 This utility model provides a technical solution:
[0027] An oxygen bleaching machine for fabric printing and dyeing includes a rinsing tank 1 and a reaction tank 2. The rinsing tank 1 is fixedly installed on the top of the reaction tank 2. Both the front and rear sides of the rinsing tank 1 have material inlets 3. A water squeezing assembly 4 is fixedly installed at the front end inside the rinsing tank 1. A drain pipe 5 is fixedly connected to the bottom left side of the rinsing tank 1. A filter box 6 is fixedly installed on the left side of the reaction tank 2 and below the drain pipe 5. A connecting pipe 7 is fixedly connected to the bottom right side of the filter box 6. A transmission box 8 is fixedly installed in the middle of the top of the reaction tank 2. A stirring motor 9 is fixedly installed at the right end of the top of the transmission box 8. A circulation pipe 10 is fixedly connected to the rear left side of the reaction tank 2.
[0028] First, in this embodiment, the specific structure of the filter box 6 is as follows:
[0029] A liquid guide hopper 601 is fixedly installed at the top of the inside of the filter box 6. A filter tube 602 is fixedly connected to the bottom of the inside of the liquid guide hopper 601. A first filter screen 603 is fixedly connected to the bottom of the inside of the filter tube 602. A rotating shaft 604 is rotatably connected to the left end of the transmission box 8 and located inside the filter tube 602. A stirring motor 9 is driven by the rotating shaft 604 through a synchronous belt pulley set 605. Two sets of scrapers 606 are fixedly connected to the bottom of the rotating shaft 604. A collection box 607 is slidably connected inside the filter box 6 and below the first filter screen 603. A second filter screen 608 is fixedly connected to the bottom of the inside of the collection box 607. The fabric passes through the feed inlets 3 on the front and rear sides of the rinsing box 1. The fabric is immersed in a rinsing solution containing hydrogen peroxide in the rinsing box 1 to remove natural pigments and impurities. Then, it is removed by the water squeezing assembly 4. Excess water is removed, reducing the amount of waste liquid carried. After rinsing, the waste liquid enters the filter box 6 through the drain pipe 5. The waste liquid is dispersed by the guide hopper 601 and flows into the filter pipe 602. The first filter screen 603 intercepts large particles of impurities. The stirring motor 9 drives the rotating shaft 604 to rotate through the synchronous pulley group 605, which drives the scraper 606 to scrape off the impurities attached to the surface of the first filter screen 603 to prevent clogging. The filtered liquid passes through the first filter screen 603 and enters the collection box 607. The second filter screen 608 further intercepts fine particles. After the impurities accumulate, the collection box 607 can be pulled out for treatment. The filtered waste liquid enters the reaction tank 2 through the connecting pipe 7, reacts with the effective components of the newly added rinsing solution, and is then recycled. This ensures the effect of the rinsing solution and completely solves the problems of secondary pollution from impurity backflow and equipment clogging and damage through secondary filtration.
[0030] Furthermore, a box plate 609 is fixedly installed on the top of the filter box 6, and a first pump 501 is fixedly installed between the drain pipe 5 and the box plate 609. A cleaning door 610 is hinged to the front end of the box plate 609. The waste liquid after rinsing is discharged through the drain pipe 5 and pumped into the filter box 6 by the first pump 501 for filtration. The cleaning door 610 can be opened to clean the first filter screen 603.
[0031] Then, self-locking casters 201 are installed at the four corners of the bottom of the reaction tank 2. A waste discharge pipe 202 is fixedly connected to the front end of the left side of the reaction tank 2. The self-locking casters 201 facilitate the movement of the equipment, and the waste discharge pipe 202 periodically discharges the sediment.
[0032] Furthermore, a conveyor roller 301 is rotatably connected to the middle of the bottom of the rinsing tank 1. A drive motor 302 is fixedly installed on the left side of the rinsing tank 1 at a position corresponding to the conveyor roller 301. The drive motor 302 is fixedly connected to the conveyor roller 301. Guide rollers 303 are rotatably connected to the upper and lower ends of the two sets of feed inlets 3. The fabric enters through the feed inlets 3 on the front and rear sides of the rinsing tank 1. The drive motor 302 drives the conveyor roller 301 to rotate and transport the fabric. The guide rollers 303 assist the fabric movement to avoid scratching.
[0033] The dewatering assembly 4 includes a first fixing frame 401 fixedly installed inside the front end of the rinsing tank 1. A heating cover 402 is fixedly installed at the bottom of the first fixing frame 401. A cylinder 403 is fixedly installed at the left end of the top of the first fixing frame 401. A slidable stabilizer 404 is connected to the right end of the top of the first fixing frame 401. A connecting frame 405 is fixedly installed at the bottom of both the cylinder 403 and the stabilizer 404. A first pressure roller 406 is rotatably connected between the two sets of connecting frames 405. A second fixing frame 407 is fixedly installed inside the rinsing tank 1 and below the first pressure roller 406. The frame 407 is internally rotatably connected to a second pressure roller 408, and the heating cover 402 is internally fixedly installed with an electric heating tube 409. After rinsing, the fabric is squeezed by the first pressure roller 406 and the second pressure roller 408. The cylinder 403 can adjust the height of the first pressure roller 406 according to the fabric thickness. With the heat assistance of the electric heating tube 409 in the heating cover 402, the mechanical squeezing and thermal evaporation are combined to achieve dehydration. This not only effectively improves the dehydration effect of the fabric, but also completes all squeezing actions in the rinsing tank 1, avoiding the leakage problem caused by the external roller in the existing patent, and further avoiding waste.
[0034] Secondly, a stirring shaft 901 is fixedly installed on the drive end of the stirring motor 9 and inside the rinsing tank 1. Multiple sets of stirring paddles 902 are fixedly installed on the outside of the stirring shaft 901. After filtration, the waste liquid enters the reaction tank 2, reactants are added, and the stirring motor 9 drives the stirring shaft 901 to rotate, and the stirring paddles 902 carry out the mixing reaction.
[0035] Finally, a second pump 1001 is fixedly installed at the bottom of the circulation pipe 10, and a spray pipe 1002 is fixedly installed at the top of the circulation pipe 10 and inside the rinsing tank 1. Multiple sets of spray heads 1003 are fixedly connected to the outside of the spray pipe 1002. After filtration, the regenerated liquid is pumped out by the second pump 1001, introduced into the rinsing tank 1 through the circulation pipe 10, and evenly sprayed onto the fabric for reuse through the multiple sets of spray heads 1003 outside the spray pipe 1002, thus achieving water conservation and emission reduction.
[0036] In this embodiment, the specific implementation scenario is as follows: the fabric passes through the feed inlets 3 on both sides of the rinsing tank 1. The conveying roller 301 is driven by the drive motor 302 to rotate and transport the fabric. The guide roller 303 assists in the movement of the fabric to avoid scratching. After rinsing, the fabric is squeezed by the first pressure roller 406 and the second pressure roller 408. The cylinder 403 can adjust the height of the first pressure roller 406 according to the thickness of the fabric. With the heat assistance of the electric heating tube 409 in the heating cover 402, mechanical squeezing and thermal evaporation are combined to achieve dehydration, reducing the amount of waste liquid carried. The waste liquid after rinsing enters the filter tank 6 through the drain pipe 5. After being dispersed by the guide hopper 601, the waste liquid flows into the filter pipe 602. The first filter screen 603 intercepts large particles of impurities. The stirring motor 9 drives the rotating shaft 604 to rotate through the synchronous belt pulley group 605, which drives the scraper 606 to scrape off the surface of the first filter screen 603. To prevent clogging, the filtered liquid passes through the first filter screen 603 and enters the collection box 607. The second filter screen 608 further traps fine particles. After the impurities accumulate, the collection box 607 can be removed for treatment. The filtered waste liquid enters the reaction tank 2 through the connecting pipe 7, reacts with the newly added effective ingredients, and is then recycled to ensure the rinsing effect. The regenerated liquid after filtration is pumped out by the second pump 1001 and introduced into the rinsing tank 1 through the circulation pipe 10. It is then evenly sprayed onto the fabric through multiple sets of spray heads 1003 on the outside of the spray pipe 1002 for reuse, achieving water conservation and emission reduction. The entire operation process is simple and convenient. This utility model completely solves the problem of secondary pollution and equipment clogging and damage caused by the return of impurities through secondary filtration. At the same time, it effectively improves the dehydration effect of the fabric and avoids the leakage problem caused by the external roller in the existing patent, further avoiding waste.
[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An oxygen bleaching machine for cloth printing and dyeing, comprising a rinsing tank (1) and a reaction tank (2), characterized in that: The rinsing tank (1) is fixedly installed on the top of the reaction tank (2). The rinsing tank (1) has a feed inlet (3) on both the front and rear sides. The front end of the rinsing tank (1) is fixedly installed with a water squeezing assembly (4). The bottom left side of the rinsing tank (1) is fixedly connected with a drain pipe (5). The left side of the reaction tank (2) and below the drain pipe (5) is fixedly installed with a filter box (6). The bottom right side of the filter box (6) is fixedly connected with a connecting pipe (7). The middle of the top of the reaction tank (2) is fixedly installed with a transmission box (8). The right end of the top of the transmission box (8) is fixedly installed with a stirring motor (9). The rear left side of the reaction tank (2) is fixedly connected with a circulation pipe (10). A liquid guide hopper (601) is fixedly installed at the top inside the filter box (6). A filter tube (602) is fixedly connected to the bottom inside the liquid guide hopper (601). A first filter screen (603) is fixedly connected to the bottom inside the filter tube (602). A rotating shaft (604) is rotatably connected to the left end of the transmission box (8) and inside the filter tube (602). The stirring motor (9) is connected to the rotating shaft (604) via a synchronous belt pulley group (605). Two sets of scrapers (606) are fixedly connected to the bottom end of the rotating shaft (604). A collection box (607) is slidably connected inside the filter box (6) and below the first filter screen (603). A second filter screen (608) is fixedly connected to the bottom inside the collection box (607).
2. An oxygen bleaching machine for textile materials according to claim 1, characterized in that: A box plate (609) is fixedly installed on the top of the filter box (6), and a first pump (501) is fixedly installed between the drain pipe (5) and the box plate (609). A cleaning door (610) is hinged to the front end of the box plate (609).
3. An oxygen bleaching machine for textile materials according to claim 1, characterized in that: Self-locking casters (201) are installed at the four corners of the bottom of the reaction chamber (2), and a waste discharge pipe (202) is fixedly connected to the front end of the left side of the reaction chamber (2).
4. A fabric oxygen bleaching machine according to claim 1, characterized in that: A conveying roller (301) is rotatably connected to the middle of the bottom of the rinsing tank (1). A drive motor (302) is fixedly installed on the left side of the rinsing tank (1) at a position corresponding to the conveying roller (301). The drive motor (302) is fixedly connected to the conveying roller (301). Guide rollers (303) are rotatably connected to the upper and lower ends of the two sets of feed inlets (3).
5. A fabric oxygen bleaching machine according to claim 1, wherein: The dewatering assembly (4) includes a first fixed frame (401) fixedly installed inside the front end of the rinsing tank (1). A heating cover (402) is fixedly installed at the bottom of the first fixed frame (401). A cylinder (403) is fixedly installed at the left end of the top of the first fixed frame (401). A stabilizing rod (404) is slidably connected to the right end of the top of the first fixed frame (401). A connecting frame (405) is fixedly installed at the bottom of both the cylinder (403) and the stabilizing rod (404). A first pressure roller (406) is rotatably connected between the two sets of connecting frames (405). A second fixed frame (407) is fixedly installed inside the rinsing tank (1) and below the first pressure roller (406). A second pressure roller (408) is rotatably connected inside the second fixed frame (407). An electric heating tube (409) is fixedly installed inside the heating cover (402).
6. A fabric oxygen bleaching machine according to claim 1, characterized in that: A stirring shaft (901) is fixedly installed on the drive end of the stirring motor (9) and inside the rinsing tank (1), and multiple sets of stirring paddles (902) are fixedly installed on the outside of the stirring shaft (901).
7. A fabric oxygen bleaching machine according to claim 1, wherein: A second pump (1001) is fixedly installed at the bottom end of the circulation pipe (10), and a spray pipe (1002) is fixedly installed at the top end of the circulation pipe (10) and inside the rinsing tank (1). Multiple spray heads (1003) are fixedly connected to the outside of the spray pipe (1002).