Tubular mixer for sewage treatment

Abstract

The utility model discloses a tubular mixer for sewage treatment, which comprises an outer tube, main connecting flanges are respectively and fixedly mounted at inlets and outlets at the upper end and the lower end of the outer tube, a dosing tube is fixedly mounted on the side wall of the upper end of the outer tube in a communicated manner, and an auxiliary connecting flange is fixedly mounted at an opening at the outer end of the dosing tube; a limiting ring is movably connected to the inner wall of the outer pipe in an attached mode, a supporting column is fixedly mounted in the middle of the limiting ring, a mounting sleeve is fixedly mounted in the middle of the supporting column in a penetrating mode, a supporting rod is movably connected to the inner wall of the mounting sleeve in an attached mode, and fixing nuts are connected to the outer sides of the two ends of the supporting rod in a threaded mode. A mixing blade used for mixing raw water and medicine in the outer pipe is fixedly installed on the outer curved surface of the supporting rod, a supporting ring is fixedly installed on the inner side of the limiting ring, a first pin hole is formed in the inner side of the supporting ring in a penetrating mode, and a positioning pin column is movably connected to the inner wall of the first pin hole in an attached mode. The inner part of the outer pipe can be conveniently maintained, disassembled and cleaned.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically to a tubular mixer for wastewater treatment. Background Technology

[0002] Wastewater treatment refers to the process of removing or reducing the concentration of pollutants in domestic sewage or industrial wastewater to purify the water and meet discharge standards or reuse water quality requirements. This process typically includes various methods such as physical treatment, chemical treatment, and biological treatment, aiming to protect the aquatic environment, prevent water pollution, and achieve the sustainable use of water resources.

[0003] The main functions of wastewater treatment are reflected in the following aspects: Environmental protection: The most direct effect of wastewater treatment is to reduce water pollution and protect the aquatic environment. Direct discharge of untreated wastewater into natural water bodies will severely damage aquatic ecosystems and affect the survival of humans and other organisms. Resource recovery: During wastewater treatment, some substances, such as nutrients like nitrogen and phosphorus, as well as certain metal elements, can be recovered and reused, which helps to conserve resources and achieve resource recycling. Promoting sustainable development: Wastewater treatment is one of the important measures to achieve sustainable water resource utilization. Through wastewater treatment, wastewater can be transformed into reusable water resources, alleviating water shortages and promoting sustainable economic and social development. Protecting human health: Pathogens and toxic substances in wastewater pose a threat to human health.

[0004] However, in practical applications, tubular mixers are a key piece of equipment in wastewater treatment processes, used to efficiently mix wastewater of different components or concentrations to promote chemical reactions or physical processes. However, traditional tubular mixers often suffer from complex structures and difficult disassembly, leading to high maintenance costs and affecting their widespread application and efficiency. Utility Model Content

[0005] The purpose of this invention is to provide a tubular mixer for wastewater treatment, addressing the aforementioned issues in the background art. In wastewater treatment, the tubular mixer is a key piece of equipment used to efficiently mix wastewater of different components or concentrations to promote chemical reactions or physical processes. However, traditional tubular mixers often suffer from complex structures and difficult disassembly, leading to high maintenance costs and hindering their widespread application and efficiency.

[0006] To achieve the above objectives, the present invention provides the following technical solution: it includes an outer tube, with main connecting flanges fixedly installed at the inlet and outlet of the upper and lower ends of the outer tube, a dosing pipe fixedly installed on the upper side wall of the outer tube, and a secondary connecting flange fixedly installed at the outer end opening of the dosing pipe;

[0007] A limiting ring is movably connected to the inner wall of the outer tube. A support column is fixedly installed in the middle of the limiting ring. An installation sleeve is fixedly installed through the middle of the support column. A support rod is movably connected to the inner wall of the installation sleeve. Fixed nuts are threaded to the outer ends of the support rod. A mixing blade for mixing the raw water and medicine inside the outer tube is fixedly installed on the outer curved surface of the support rod. A support ring is fixedly installed inside the limiting ring. A first pin hole is opened through the inner side of the support ring. A positioning pin is movably connected to the inner wall of the first pin hole. A fixing plate is fixedly installed inside the positioning pin. A support spring is fixedly installed inside the fixing plate. Installation openings are opened on both sides of the fixing plate. A swing rod is rotatably connected to the inner wall of the installation opening through a pin shaft. A second pin hole is opened on the inner wall of the outer tube.

[0008] Preferably, there are two main connecting flanges, which are symmetrically distributed at the inlet and outlet of the upper and lower ends of the outer pipe.

[0009] Preferably, there are two limiting rings, which are symmetrically distributed on both sides of the inner wall of the outer tube.

[0010] Preferably, the support rod has external threads on the outer sides at both ends.

[0011] Preferably, there are several hybrid blades, which are symmetrically distributed in an alternating pattern on the outer curved surface of the support rod.

[0012] Preferably, there are several first pin holes, which are symmetrically distributed along the inner side of the support ring.

[0013] Preferably, the end of the support spring away from the fixed plate is fixedly installed on the inner wall of the support ring, and the outer end of the positioning pin is movably connected to the inner wall of the second pin hole.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] When maintenance and cleaning of the outer pipe are required, this utility model disconnects the outer pipe from the external raw water pipe by disassembling the main connecting flange. When the outer pipe is disconnected, the fixing plate is pulled inward. This pull stretches the support spring and moves the positioning pin inward. As the positioning pin moves inward, its outer end moves away from the inner wall of the second pin hole. When the outer end of the positioning pin moves away from the inner wall of the second pin hole, the swing rod is pushed inward. When the swing rod is supported on the inner wall of the support ring, the fixed plate and the positioning pin are kept fixed. When the outer end of the positioning pin leaves the inner wall of the second pin hole and remains fixed, the locking limit of the support ring and the limiting ring can be released. When the locking limit of the support ring and the limiting ring is released, the limiting ring is taken out from the inner wall of the outer tube. When the limiting ring is taken out from the inner wall of the outer tube, the support rod and the mixing blade will move out of the outer tube at the same time. When the support rod and the mixing blade move out of the outer tube, it is convenient to maintain, disassemble and clean the inside of the outer tube.

[0016] This invention also allows for the replacement of different types of mixing blades when different types of mixing blades are needed. By rotating and disassembling the fixing nuts connected to the outer threads at both ends of the support rod, the installation and fixation of the support rod can be released. When the installation and fixation of the support rod are released, the mounting sleeve can be removed from both ends of the support rod. When the mounting sleeve is removed from both ends of the support rod, the support rod and mixing blades can be disassembled. This facilitates the replacement of different types of mixing blades while simultaneously maintaining, disassembling, and cleaning the interior of the outer tube, and allowing for the easy replacement of different types of mixing blades for drug mixing. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of a tubular mixer for wastewater treatment according to this utility model. Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the overall structure of a tubular mixer for wastewater treatment according to this utility model. Figure 2 ;

[0019] Figure 3 This is a cross-sectional schematic diagram of the overall structure of a tubular mixer for wastewater treatment according to the present invention;

[0020] Figure 4 This is a partial cross-sectional view of a tubular mixer for wastewater treatment according to the present invention.

[0021] In the diagram: 1. Outer pipe; 2. Main connecting flange; 3. Dosing pipe; 4. Secondary connecting flange; 5. Limiting ring; 6. Support column; 7. Mounting sleeve; 8. Support rod; 9. Fixing nut; 10. Mixing blade; 11. Support ring; 12. First pin hole; 13. Positioning pin; 14. Fixing plate; 15. Support spring; 16. Mounting opening; 17. Swing rod; 18. Second pin hole. Detailed Implementation

[0022] 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.

[0023] Please see Figure 1-4 This utility model provides a tubular mixer for wastewater treatment: it includes an outer pipe 1, with main connecting flanges 2 fixedly installed at the upper and lower inlet and outlet of the outer pipe 1, and there are two main connecting flanges 2, which are symmetrically distributed at the upper and lower inlet and outlet of the outer pipe 1, so that the upper and lower inlet and outlet of the outer pipe 1 are connected to the external raw water pipeline through the main connecting flanges 2. A dosing pipe 3 is fixedly installed on the upper side wall of the outer pipe 1, and a secondary connecting flange 4 is fixedly installed at the outer opening of the dosing pipe 3, so that the dosing pipe 3 is connected to the external chemical pipeline through the secondary connecting flange 4.

[0024] A limiting ring 5 is movably connected to the inner wall of the outer pipe 1. There are two limiting rings 5, symmetrically distributed on both sides of the inner wall of the outer pipe 1. A support column 6 is fixedly installed in the middle of the limiting ring 5. An installation sleeve 7 is fixedly installed through the middle of the support column 6. A support rod 8 is movably connected to the inner wall of the installation sleeve 7. External threads are opened on the outer sides of both ends of the support rod 8. Fixing nuts 9 are connected to the external threads of both ends of the support rod 8, so that the support rod 8 is installed and fixed by the fixing nuts 9 and the installation sleeve 7. A mixing blade 10 for mixing the raw water and medicine inside the outer pipe 1 is fixedly installed on the outer curved surface of the support rod 8. There are several mixing blades 10, which are symmetrically distributed alternately on the outer curved surface of the support rod 8. A support ring 11 is fixedly installed on the inner side of the limiting ring 5. A first pin hole 12 is opened through the inner side of the support ring 11. There are several first pin holes 12, which are symmetrically distributed on the inner side of the support ring 11. The inner wall of the first pin hole 12 is movably connected to a positioning pin 13. A fixing plate 14 is fixedly installed on the inner side of the positioning pin 13. A support spring 15 is fixedly installed on the inner side of the fixing plate 14. The end of the support spring 15 away from the fixing plate 14 is fixedly installed on the inner wall of the support ring 11, so that the positioning pin 13 is elastically supported by the support spring 15 and the fixing plate 14. The fixing plate 14 has installation openings 16 on both sides. The inner wall of the installation opening 16 is rotatably connected to a swing rod 17 through a pin shaft. The inner wall of the outer tube 1 has a second pin hole 18. The outer end of the positioning pin 13 is movably connected to the inner wall of the second pin hole 18, so that the support ring 11 and the limiting ring 5 are locked and limited by the second pin hole 18 and the positioning pin 13.

[0025] Working principle: In use, this utility model connects the upper and lower inlet and outlet of the outer pipe 1 to the external raw water pipeline through the main connecting flange 2. When the upper and lower inlet and outlet of the outer pipe 1 are connected to the external raw water pipeline, the dosing pipe 3 is connected to the external drug pipeline through the auxiliary connecting flange 4. When the dosing pipe 3 is connected to the external drug pipeline, the sewage treatment drug is discharged into the outer pipe 1 through the dosing pipe 3. When the drug is discharged into the outer pipe 1, the drug will flow with the raw water in the external raw water pipeline. When the drug flows with the raw water in the outer pipe 1, the mixing blade 10 will cause the water flow to split, and at the same time generate vortex reverse rotation and cross flow, thereby achieving the effect of mixing the raw water and the drug, and then discharging it outward through the lower outlet of the outer pipe 1.

[0026] When maintenance and cleaning of the outer pipe 1 are required, the main connecting flange 2 is disassembled to disconnect the outer pipe 1 from the external raw water pipe. When the outer pipe 1 is disconnected from the external raw water pipe, the fixed plate 14 is pulled inward. When the fixed plate 14 is pulled inward, the support spring 15 is stretched, and the positioning pin 13 moves inward. When the positioning pin 13 moves inward, the outer end of the positioning pin 13 moves away from the inner wall of the second pin hole 18. When the outer end of the positioning pin 13 moves away from the inner wall of the second pin hole 18, the swing rod 17 is pushed inward. When the swing rod 17 swings inward, the swing rod... 17 will be supported on the inner wall of the support ring 11, so that the fixed plate 14 and the positioning pin 13 remain fixed. When the outer end of the positioning pin 13 leaves the inner wall of the second pin hole 18 and remains fixed, the locking limit of the support ring 11 and the limiting ring 5 can be released. When the locking limit of the support ring 11 and the limiting ring 5 is released, the limiting ring 5 is taken out from the inner wall of the outer tube 1. When the limiting ring 5 is taken out from the inner wall of the outer tube 1, the support rod 8 and the mixing blade 10 will be moved out of the inner tube 1 at the same time. When the support rod 8 and the mixing blade 10 move out of the inner tube 1, it is convenient to maintain, disassemble and clean the inner tube 1.

[0027] Meanwhile, when it is necessary to replace different types of mixing blades 10, the fixing nuts 9 connected to the outer threads at both ends of the support rod 8 can be removed by rotating them. When the fixing nuts 9 are removed by rotating them, the installation and fixing of the support rod 8 can be released. When the installation and fixing of the support rod 8 is released, the mounting sleeves 7 can be removed from both ends of the support rod 8. When the mounting sleeves 7 are removed from both ends of the support rod 8, the support rod 8 and the mixing blades 10 can be disassembled. When the support rod 8 and the mixing blades 10 are disassembled, it is convenient to replace different types of mixing blades 10. Thus, while maintaining, disassembling and cleaning the inside of the outer tube 1, it is convenient to replace different types of mixing blades 10 to mix the medicine.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0029] 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 tubular mixer for wastewater treatment, characterized in that: The outer pipe (1) is provided with a main connecting flange (2) fixedly installed at the inlet and outlet of the upper and lower ends of the outer pipe (1), a dosing pipe (3) is fixedly installed on the upper side wall of the outer pipe (1), and a secondary connecting flange (4) is fixedly installed at the outer end opening of the dosing pipe (3). The inner wall of the outer tube (1) is fitted with a limiting ring (5), a support column (6) is fixedly installed in the middle of the limiting ring (5), an installation sleeve (7) is fixedly installed through the middle of the support column (6), a support rod (8) is fitted with the inner wall of the installation sleeve (7), a fixing nut (9) is threaded to the outer ends of the support rod (8), a mixing blade (10) for mixing the raw water and medicine inside the outer tube (1) is fixedly installed on the outer curved surface of the support rod (8), and a support is fixedly installed inside the limiting ring (5). The ring (11) has a first pin hole (12) through the inner side of the support ring (11). The inner wall of the first pin hole (12) is fitted with a positioning pin (13). The inner side of the positioning pin (13) is fixedly installed with a fixing plate (14). The inner side of the fixing plate (14) is fixedly installed with a support spring (15). The fixing plate (14) has installation openings (16) on both sides. The inner wall of the installation opening (16) is rotatably connected with a swing rod (17) through a pin shaft. The inner wall of the outer tube (1) has a second pin hole (18).

2. A tubular mixer for wastewater treatment according to claim 1, characterized in that: There are two main connecting flanges (2), which are symmetrically distributed at the inlet and outlet of the upper and lower ends of the outer pipe (1).

3. A tubular mixer for wastewater treatment according to claim 2, characterized in that: There are two limiting rings (5), which are symmetrically distributed on both sides of the inner wall of the outer tube (1).

4. A tubular mixer for wastewater treatment according to claim 3, characterized in that: The support rod (8) has external threads on both sides.

5. A tubular mixer for wastewater treatment according to claim 4, characterized in that: There are several hybrid blades (10), which are symmetrically distributed in a staggered manner on the outer curved surface of the support rod (8).

6. A tubular mixer for wastewater treatment according to claim 5, characterized in that: There are several first pin holes (12), which are symmetrically distributed on the inner side of the support ring (11).

7. A tubular mixer for wastewater treatment according to claim 6, characterized in that: The support spring (15) is fixedly installed on the inner wall of the support ring (11) on the side away from the fixed plate (14), and the outer end of the positioning pin (13) is movably connected to the inner wall of the second pin hole (18).

Images