A reagent additive structure for treating dyeing and printing wastewater
By using carbon steel pipes and anti-corrosion layers, and equipped with detachable filter frames and baffle structures, the problems of fragile and easily corroded mixer materials are solved, achieving efficient mixing and easy cleaning of the dyeing and printing wastewater treatment equipment, and extending the service life of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU LESHENG ENVIRONMENTAL ENG CO LTD
- Filing Date
- 2025-02-12
- Publication Date
- 2026-05-26
AI Technical Summary
The mixers in existing dyeing and printing wastewater treatment equipment are made of fragile or easily corroded materials, resulting in short service life, low mixing efficiency and difficulty in cleaning, especially in the case of large flow rates, where they are prone to clogging and corrosion.
The pipe body is made of carbon steel and equipped with an anti-corrosion layer. It has a removable filter screen and a flow guide plate structure inside. The filter screen has mesh and flow guide plate. The flow guide plate is set at an angle to generate cross vortices. Combined with the mesh, it performs secondary cutting to achieve fluid mixing.
It improves the corrosion resistance and ease of cleaning of the mixer, avoids clogging, ensures stable operation of the equipment, extends service life, and improves fluid mixing efficiency.
Smart Images
Figure CN224270791U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of equipment for treating dyeing and printing wastewater, specifically to a chemical additive structure for treating dyeing and printing wastewater. Background Technology
[0002] Dyeing and printing wastewater is the wastewater discharged from dyeing and printing factories that process cotton, linen, chemical fibers and their blended products, silk, wool dyeing and finishing factories, and silk factories. Dyeing and printing wastewater is characterized by large volume, high content of organic pollutants, high alkalinity, and large fluctuations in water quality. It is one of the most difficult industrial wastewaters to treat. The wastewater contains dyes, sizing agents, auxiliaries, oils, acids and alkalis, fiber impurities, sand, inorganic salts, etc. Currently, the main method of chemical treatment for dyeing and printing wastewater is to install static pipeline mixers to achieve mixing of fluids within the pipeline. The common method is to fix a spiral blade mixing element in the pipeline as a static mixer. When two materials pass through the static mixer at a certain flow rate, the mixing element in the pipeline cuts and divides the materials, causing the materials to continuously change their flow direction as they pass through, thereby achieving mixing of materials within the pipeline.
[0003] However, these types of pipeline mixers are mostly made of plastic or stainless steel. Plastic pipeline mixers are relatively fragile and have a short service life due to the inherent properties of the material. Stainless steel pipeline mixers are more expensive and have poor resistance to chlorine-containing agents; long-term use can easily lead to pipeline corrosion, affecting mixing efficiency. Under high-flow-rate conditions, plastic mixers are prone to internal material breakage, while the debris from corrosion of stainless steel pipeline mixers can affect downstream equipment. Moreover, due to their structural characteristics, static pipeline mixers will accumulate impurities on their inner walls after long-term operation, increasing the pressure drop of the fluid passing through the mixer and making cleaning difficult. Utility Model Content
[0004] This invention provides a chemical additive structure for treating dyeing and printing wastewater, in order to solve the problems in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a reagent addition structure for treating dyeing and printing wastewater, comprising a pipe body, one end of which is provided with a water inlet and the other end with a drain outlet, the inner cavity of which is detachably connected with a flow-turbulence structure, the flow-turbulence structure comprising a filter screen frame and a flow guide plate, one end of which is open, the outer wall of which is uniformly distributed with mesh holes, and the inner wall of which is provided with a flow guide plate.
[0006] Furthermore, guide plates are evenly arranged on opposite sides of the inner wall of the filter frame.
[0007] Furthermore, the guide plate is inclined.
[0008] Furthermore, the tube body is made of carbon steel.
[0009] Furthermore, the inner diameter of the water inlet is smaller than the inner diameter of the pipe body and the filter screen frame.
[0010] Furthermore, the inner wall of the pipe is provided with an anti-corrosion layer.
[0011] Furthermore, a first flange is fixedly provided at the end of the pipe body, and a second flange that mates with the first flange is fixedly provided on the water inlet.
[0012] Furthermore, a connecting plate that mates with the first flange and the second flange is fixedly provided at one end of the filter frame opening.
[0013] Furthermore, a sight glass opening is provided at the top of the tube.
[0014] Furthermore, the bottom of the tube is provided with a vent.
[0015] Compared with the prior art, this utility model provides a reagent addition structure for treating dyeing and printing wastewater, which has the following beneficial effects:
[0016] 1. The chemical additive structure for treating dyeing and printing wastewater has an internal turbulence structure that can be disassembled separately. After use, the adhering substances on the inner wall can be cleaned to prevent clogging. The internal turbulence structure can also be used as a spare part, saving maintenance time and achieving convenient cleaning and sustainable use.
[0017] 2. The chemical addition structure and filter screen of this dyeing and printing wastewater treatment can effectively filter impurities in the raw water and chemicals. At the same time, it can effectively intercept when the guide plate breaks or is damaged, ensuring the stable operation of subsequent equipment.
[0018] 3. The chemical additive structure for treating dyeing and printing wastewater has a pipe body made of carbon steel and is equipped with an anti-corrosion layer, resulting in relatively high corrosion resistance. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the structure of this utility model;
[0020] Figure 2 This is a schematic diagram of the filter screen frame and the tube body of this utility model when separated.
[0021] Figure 3 This is a schematic diagram of the internal structure of the filter frame of this utility model.
[0022] In the diagram: 1. Pipe body; 2. Filter screen frame; 3. Inlet; 4. Outlet; 5. Mesh; 6. Baffle plate; 7. First flange; 8. Second flange; 9. Connecting plate; 10. Anti-corrosion layer; 11. Sight glass; 12. Vent. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Please see Figure 1-3 This utility model discloses a reagent addition structure for treating dyeing and printing wastewater, including a pipe body 1. One end of the pipe body 1 is provided with an inlet 3, and the other end is provided with a drain outlet 4. The inner cavity of the pipe body 1 is detachably connected to a turbulence-inducing structure, which includes a filter screen frame 2 and a guide plate 6. One end of the filter screen frame 2 is open, and the outer wall of the filter screen frame 2 is evenly distributed with mesh holes 5. The inner wall of the filter screen frame 2 is provided with a guide plate 6.
[0025] The guide plates 6 are evenly arranged on opposite sides of the inner wall of the filter frame 2, and the guide plates 6 are inclined. The guide plates 6 on opposite sides are inclined in different directions. The cooperation between the guide plates 6 can generate cross vortices and have a reverse rotation effect. Combined with the mesh 5 on the filter frame 2, the fluid can be cut twice to achieve rapid mixing of water treatment agents.
[0026] Specifically, the material of the tube body 1 is carbon steel.
[0027] In this embodiment, the filter frame 2 and the guide plate 6 can also be made of carbon steel.
[0028] Specifically, the inner diameter of the water inlet 3 is smaller than the inner diameter of the pipe body 1 and the filter screen 2.
[0029] In this embodiment, the inlet 3 is matched with the opening of the filter screen 2, and the fluid entering through the inlet 3 enters the interior of the filter screen 2. The inlet 3, pipe body 1, and filter screen 2 adopt an expansion structure to fully consider the mixing conditions of the fluid in the pipeline and reduce the energy loss of the pipeline.
[0030] Specifically, the inner wall of the pipe body 1 is provided with an anti-corrosion layer 10.
[0031] In this embodiment, the anti-corrosion layer 10 can be one of the corrosion-resistant linings such as rubber and fiberglass, or one of the acid and alkali resistant anti-corrosion coatings such as epoxy coal tar coating, vinyl ester glass flake putty, chlorinated polyethylene paint, raw lacquer, phenolic acid resistant paint, epoxy paint, polyurethane paint, chlorinated rubber paint and chlorosulfonated polyethylene paint.
[0032] Specifically, a first flange 7 is fixedly provided at the end of the pipe body 1, a second flange 8 that cooperates with the first flange 7 is fixedly provided on the water inlet 3, and a connecting plate 9 that cooperates with the first flange 7 and the second flange 8 is fixedly provided at one end of the opening of the filter screen frame 2.
[0033] In this embodiment, the connecting plate 9 is equivalent to a flange gasket. After the filter screen frame 2 is inserted into the inner cavity of the pipe body 1, the connecting plate 9 contacts the first flange 7, and the second flange 8 contacts the connecting plate 9. The second flange 8, the connecting plate 9, and the first flange 7 are connected by bolts and other components. This allows the filter screen frame 2 to be fixed when the inlet 3 is installed, and the inlet 3 can be removed when the filter screen frame 2 needs to be cleaned or replaced.
[0034] Specifically, the top of the tube body 1 is provided with a sight glass opening 11.
[0035] In this embodiment, the sight glass 11 is located on the top of the pipe body 1, close to the water inlet 3. The sight glass 11 allows direct observation of the mixing effect of the pipe mixer and the operating status of the internal structure of the pipe mixer.
[0036] Specifically, the bottom of the tube body 1 is provided with a vent 12.
[0037] In this embodiment, the vent 12 is located at the bottom of the pipe body 1, close to the drain outlet 4. When cleaning the pipe and the internal turbulence structure, the fluid in the pipe can be vented through the vent 12 to avoid direct disassembly, sewage overflow, and secondary pollution.
[0038] In summary, the chemical addition structure for dyeing and printing wastewater treatment features an internal turbulence structure that can be disassembled independently. After use, the internal wall can be cleaned to prevent blockages caused by adhesions. The internal turbulence structure can also be used as a spare part, saving maintenance time and achieving convenient cleaning and sustainable use. The filter frame 2 effectively filters impurities in the raw water and chemicals, and can also effectively intercept debris when the guide plate 6 breaks, ensuring the stable operation of subsequent equipment. The pipe body 1 is made of carbon steel and has a corrosion-resistant layer 10, providing relatively high corrosion resistance.
[0039] 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. A dyeing wastewater treatment agent adding structure comprising a pipe body (1), characterized in that: One end of the pipe body (1) is provided with an inlet (3) and the other end is provided with a drain outlet (4). The inner cavity of the pipe body (1) is detachably connected with a flow-turbulence structure, which includes a filter screen frame (2) and a flow guide plate (6). One end of the filter screen frame (2) is open. The outer wall of the filter screen frame (2) is evenly distributed with mesh holes (5). The inner wall of the filter screen frame (2) is provided with a flow guide plate (6).
2. The agent adding structure for treating printing and dyeing wastewater according to claim 1, characterized in that: The inner wall of the filter frame (2) is uniformly provided with guide plates (6) on opposite sides.
3. The agent adding structure for treating printing and dyeing wastewater according to claim 1, characterized in that: The guide plate (6) is set at an angle.
4. The agent adding structure for treating printing and dyeing wastewater according to claim 1, characterized in that: The tube body (1) is made of carbon steel.
5. The agent adding structure for treating printing and dyeing wastewater according to claim 1, characterized in that: The inner diameter of the inlet (3) is smaller than the inner diameter of the pipe (1) and the filter screen (2).
6. The agent adding structure for printing and dyeing wastewater treatment according to claim 1, characterized in that: The inner wall of the pipe body (1) is provided with an anti-corrosion layer (10).
7. The agent adding structure for treating printing and dyeing wastewater according to claim 1, characterized in that: The end of the pipe body (1) is fixedly provided with a first flange (7), and the inlet (3) is fixedly provided with a second flange (8) that cooperates with the first flange (7).
8. The agent adding structure for treating printing and dyeing wastewater according to claim 7, characterized in that: One end of the filter screen (2) opening is fixedly provided with a connecting plate (9) that cooperates with the first flange (7) and the second flange (8).
9. The agent adding structure for treating printing and dyeing wastewater according to claim 1, characterized in that: The top of the tube (1) is provided with a sight glass opening (11).
10. The agent adding structure for treating printing and dyeing wastewater according to claim 1, characterized in that: The bottom of the tube (1) is provided with a vent (12).