A device for adding PAC to prevent clogging
Patent Information
- Application Number
- CN202522328221.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-03
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-11-03
AI Technical Summary
In traditional water treatment processes, the PAC dosing system is prone to clogging, conventional stirring devices cannot effectively remove scale buildup on the tank walls, and there is a lack of automatic sewage discharge function, resulting in high operation and maintenance costs and affecting the continuous stability of water treatment.
The system adopts an integrated design of support components and outer shell components, including a clean water tank, a sewage tank, a stirring component and an automatic dosing system. Through the combination of rotating rods, scrapers and turbulence holes, it achieves three-dimensional stirring and automatic cleaning. Combined with an automatic dosing tank and quantitative dosing, it prevents the agent from clumping and ensures that the solution is uniformly suspended.
It effectively prevents clogging of the PAC dosing system, extends equipment life, reduces operation and maintenance costs, and ensures continuous stability and dissolution efficiency in water treatment.
Smart Images

Figure CN224930368U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of PAC dosing devices for preventing blockage, specifically a PAC dosing device for preventing blockage. Background Technology
[0002] PAC stands for polyaluminum chloride, a water purification material and an inorganic polymer coagulant, also known simply as polyaluminum. It is an inorganic polymer water treatment agent with a large molecular weight and high charge, produced by the bridging effect of hydroxide ions and the polymerization effect of polyvalent anions.
[0003] In traditional water treatment processes, PAC dosing systems are generally prone to clogging. Due to the high viscosity and easy crystallization of PAC solutions, conventional stirring devices often experience problems such as reagent deposition and stirring dead zones, leading to frequent blockages in dosing pipes and pumps. Existing equipment mostly uses a single stirring structure, which cannot effectively remove scale from the tank walls and lacks automatic sewage discharge function. Manual cleaning not only increases operation and maintenance costs but also affects the continuous stability of water treatment. Utility Model Content
[0004] The purpose of this invention is to provide a PAC dosing device that prevents clogging, thereby solving the problems mentioned in the background art.
[0005] The technical solution of this utility model is: a PAC dosing device to prevent clogging, including a support assembly, a housing assembly connected to the support assembly, and a stirring assembly connected to the housing assembly; The support assembly includes a workbench connected to the outer shell assembly, a support frame connected to the workbench, a first motor connected to the support frame, a clean water tank connected to the workbench, a drain tank connected to the lower end of the clean water tank, and a drain pipe connected to the drain tank. The outer shell assembly includes a mixing tank connected to the support assembly, a sealing cover connected to the mixing tank, a sewage inlet connected to the sealing cover, a PAC dosing tank connected to the sealing cover, and a dosing port connected to the PAC dosing tank. The stirring assembly includes a third motor connected to the outer casing assembly, a rotating rod connected to the third motor, a stirring rod connected to the rotating rod, a rotating rod connected to the stirring tank, and a scraper connected to the rotating rod.
[0006] Preferably, the water tank is provided with an inlet pipe on the right side, and the inlet pipe is provided with a control valve.
[0007] Preferably, the workbench is provided with a support leg at its lower end, and the support leg is provided with an anti-slip pad.
[0008] Preferably, the PAC dosing tank is equipped with a second motor, and the PAC dosing tank is an automatic dosing tank.
[0009] Preferably, the bottom of the mixing tank is provided with a drain port, and the output end of the first motor is connected to a rotating rod.
[0010] Preferably, the stirring rod is provided with a turbulence hole, and the inside of the stirring tank is provided with anti-corrosion material.
[0011] The beneficial effects of this utility model are: 1. This utility model effectively solves the clogging problem of the PAC dosing system through integrated mechanical structure design. The dual structure of the clean water tank and sewage tank in the support component, together with the sewage pipe, realizes automatic cleaning of sediment. The sealing cover of the outer shell component and the PAC automatic dosing tank form a closed dosing system to prevent the agent from clumping. The stirring component adopts a combination of a rotating rod driven by a third motor and a stirring rod with turbulence holes, together with a scraper mechanism driven by a first motor, to form a three-dimensional stirring mode, which can simultaneously complete solution mixing and tank wall scale removal. All parts in contact with the medium are made of corrosion-resistant materials, which significantly extends the service life of the equipment. 2. This utility model achieves quantitative dosing through an automatic dosing tank and a second motor, avoiding human operation errors. The water inlet control valve and the sewage outlet are linked, allowing for periodic rinsing of the mixing tank. Anti-slip support legs ensure the stability of the equipment under dosing vibration conditions. The stirring rod's turbulence holes generate turbulence to enhance dissolution efficiency, and the rotating scraper continuously cleans the tank wall. These dual measures keep the PAC solution in a uniform suspension state, fundamentally preventing pipe deposition and blockage. Attached Figure Description
[0012] Figure 1 The diagram shown is a three-dimensional structural schematic of the PAC dosing device for preventing clogging according to this utility model. Figure 2 The diagram shown is a three-dimensional structural schematic of the support component of this utility model. Figure 3 The diagram shown is a three-dimensional structural schematic of the outer shell assembly of this utility model; Figure 4 The diagram shown is a structural schematic of the stirring assembly of this utility model; Explanation of reference numerals in the attached drawings: 1. Support assembly; 2. Outer shell assembly; 3. Mixing assembly; 101. Workbench; 102. Support leg; 103. Support frame; 104. First motor; 105. Sewage pipe; 106. Sewage tank; 107. Clean water tank; 108. Inlet pipe; 201. Mixing tank; 202. Sewage inlet; 203. PAC dosing tank; 204. Dosing port; 205. Second motor; 206. Sealing cover; 301. Third motor; 302. Rotating rod; 303. Mixing rod; 304. Rotating rod; 305. Scraper; 306. Sewage outlet. Detailed Implementation
[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0014] A PAC dosing device to prevent clogging, according to Figures 1-4 As shown, it includes a support assembly 1, a housing assembly 2 connected to the support assembly 1, and a stirring assembly 3 connected to the housing assembly 2; The support assembly 1 includes a workbench 101 connected to the outer shell assembly 2, a support frame 103 connected to the workbench 101, a first motor 104 connected to the support frame 103, a clean water tank 107 connected to the workbench 101, a drain tank 106 connected to the lower end of the clean water tank 107, and a drain pipe 105 connected to the drain tank 106. The outer casing assembly 2 includes a mixing tank 201 connected to the support assembly 1, a sealing cover 206 connected to the mixing tank 201, a sewage inlet 202 connected to the sealing cover 206, a PAC dosing tank 203 connected to the sealing cover 206, and a dosing port 204 connected to the PAC dosing tank 203. The stirring assembly 3 includes a third motor 301 connected to the outer casing assembly 2, a rotating rod 302 connected to the third motor 301, a stirring rod 303 connected to the rotating rod 302, a rotating rod 304 connected to the stirring tank 201, and a scraper 305 connected to the rotating rod 304.
[0015] according to Figures 1-2 As shown, a water inlet pipe 108 is provided on the right side of the water tank 107, and a control valve is provided on the water inlet pipe 108.
[0016] It should be noted that the control valve of the water inlet pipe 108 is linked with the drain outlet 306, which can periodically flush the mixing tank 201.
[0017] according to Figures 1-2 As shown, the workbench 101 is provided with a support leg 102 at the lower end, and an anti-slip pad is provided under the support leg 102.
[0018] It should be noted that the anti-slip support leg 102 ensures the stability of the equipment under the vibration condition of chemical dosing.
[0019] according to Figure 3 As shown, the PAC dosing tank 203 is equipped with a second motor 205, and the PAC dosing tank 203 is an automatic dosing tank.
[0020] according to Figure 4 As shown, the bottom of the mixing tank 201 is provided with a drain port 306, and the output end of the first motor 104 is connected to the rotating rod 304.
[0021] It should be noted that the automatic dosing tank achieves quantitative dosing through the second motor 205, avoiding human operation errors. The water inlet pipe 108 controls the valve and the drain outlet 306 in a linkage design, which can periodically flush the mixing tank 201.
[0022] according to Figure 4 As shown, the stirring rod 303 is provided with turbulence holes, and the stirring tank 201 is provided with anti-corrosion material.
[0023] It should be noted that the combination of the rotating rod driven by the third motor and the stirring rod with turbulence holes, together with the scraper mechanism driven by the first motor, forms a three-dimensional stirring mode, which can simultaneously complete solution mixing and scale removal from the tank wall. All parts in contact with the medium are made of corrosion-resistant materials, which significantly extends the service life of the equipment.
[0024] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.
Claims
1. A PAC dosing device to prevent clogging, characterized in that: It includes a support assembly (1), a housing assembly (2) connected to the support assembly (1), and a stirring assembly (3) connected to the housing assembly (2); The support assembly (1) includes a workbench (101) connected to the outer shell assembly (2), a support frame (103) connected to the workbench (101), a first motor (104) connected to the support frame (103), a clean water tank (107) connected to the workbench (101), a drain tank (106) connected to the lower end of the clean water tank (107), and a drain pipe (105) connected to the drain tank (106). The outer shell assembly (2) includes a mixing tank (201) connected to the support assembly (1), a sealing cover (206) connected to the mixing tank (201), a sewage inlet (202) connected to the sealing cover (206), a PAC dosing tank (203) connected to the sealing cover (206), and a dosing port (204) connected to the PAC dosing tank (203). The stirring assembly (3) includes a third motor (301) connected to the outer shell assembly (2), a rotating rod (302) connected to the third motor (301), a stirring rod (303) connected to the rotating rod (302), a rotating rod (304) connected to the stirring tank (201), and a scraper (305) connected to the rotating rod (304).
2. The PAC dosing device for preventing blockage according to claim 1, characterized in that: The water tank (107) is provided with an inlet pipe (108) on the right side, and a control valve is provided on the inlet pipe (108).
3. The PAC dosing device for preventing blockage according to claim 1, characterized in that: The workbench (101) is provided with a support leg (102) at its lower end, and the support leg (102) is provided with an anti-slip pad.
4. The PAC dosing device for preventing blockage according to claim 1, characterized in that: The PAC dosing tank (203) is equipped with a second motor (205), and the PAC dosing tank (203) is an automatic dosing tank.
5. The PAC dosing device for preventing blockage according to claim 1, characterized in that: The bottom of the mixing tank (201) is provided with a drain port (306), and the output end of the first motor (104) is connected to the rotating rod (304).
6. The PAC dosing device for preventing blockage according to claim 1, characterized in that: The stirring rod (303) is provided with a turbulence hole, and the stirring tank (201) is provided with anti-corrosion material inside.
