Polyaluminum chloride adder
By designing a polymer aluminum chloride doser using sensors and cylinders, the problem of inaccurate dosing volume in the prior art is solved, the uniformity of the automated dosing and dissolution process is achieved, and the production efficiency and safety are improved.
Patent Information
- Application Number
- CN202421568338.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-04
AI Technical Summary
In the prior art, precise control cannot be achieved during the release of polymer aluminum chloride, resulting in wasting time and manpower, and excessive addition or chemical reactions may occur during the water treatment process, affecting production efficiency.
A polyaluminum chloride doser was designed, using a combination of sensors and cylinders to detect the weight of polymer aluminum chloride through sensors and automatically control the cylinder to pour it into the stirring tube to achieve automatic doserization, and to improve dissolution efficiency and uniformity through the stirring tube and concentration detector.
Accurate addition of polymer aluminum chloride is achieved, reducing manpower waste, improving production efficiency, and ensuring uniformity and safety of the dissolution process through automation and detection systems.
Smart Images

Figure CN222821331U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of polyaluminium chloride dosing, in particular to a polyaluminium chloride doser. Background Art
[0002] Polyaluminium chloride is a water purification material, an inorganic polymer coagulant, also known as polyaluminium, abbreviated as PAC in English. It is an inorganic polymer water treatment agent with a large molecular weight and a high charge produced by the bridging effect of hydroxide ions and the polymerization of multivalent anions. It can be divided into two types in form: solid and liquid. Solids can be divided into brown, beige, golden and white according to their colors, and liquids can be colorless and transparent, slightly yellow, light yellow to yellowish brown. Polyaluminium chloride of different colors also has great differences in application and production technology.
[0003] In the prior art, the amount of polyaluminium chloride cannot be accurately controlled during the addition process, and the staff is required to measure before the addition, which wastes time and manpower and is not conducive to improving production efficiency. At the same time, in the water treatment process, excessive addition of PAC may occur or PAC may react with other components in the water, which may cause some chemical reactions to release gas, and it is necessary to pay attention to the detection of the acid and alkali concentration in the liquid. Utility Model Content
[0004] In order to make up for the above shortcomings, the utility model provides a polyaluminium chloride doser, which aims to improve the problem that the amount of polyaluminium chloride cannot be accurately controlled during the dosing process, and the staff needs to measure before dosing, which wastes time and manpower, and is not conducive to improving production efficiency. At the same time, in the water treatment process, excessive addition of PAC may occur or PAC reacts with other components in the water, which may cause some chemical reactions to release gas, and it is necessary to pay attention to the problem of detecting the acid and alkali concentration in the liquid.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polyaluminium chloride doser, comprising a dissolving cylinder, the top of the dissolving cylinder is fixedly connected to a support plate, the bottom of the dissolving cylinder is fixedly connected to the barrel bottom, the top of the support plate is fixedly connected to a top plate, the top of the top plate is symmetrically fixedly connected to a support rod, the top of the support rod is fixedly connected to a connecting rod, a sensor is fixedly connected to the bottom center of the connecting rod, a spring is connected to the outside of the sensor, the other end of the spring is evenly fixedly connected to a plurality of connecting chains, the other end of the connecting chain is fixedly connected to a feeding cylinder, a slide groove is opened at the bottom end of the feeding cylinder, a baffle is arranged in the slide groove, a telescopic rod is fixedly connected to one side of the baffle, and a cylinder is fixedly connected to the other end of the telescopic rod.
[0006] Preferably, one side of the dissolving cylinder is symmetrically fixedly connected with an infusion tube, a valve is installed on the outside of the infusion tube, the other end of the infusion tube passes through and is fixedly connected with a solution box, and the other end of the infusion tube is fixedly connected with a neutralizing liquid tank.
[0007] Preferably, fixing rods are symmetrically fixedly connected inside the support plate, and material guide pipes are fixedly connected between the fixing rods.
[0008] Preferably, a rotating rod is provided below the material guide tube, an empty groove is opened on the outer side of the rotating rod, a stirring tube is fixedly connected in the empty groove, the stirring tube is arranged in the rotating rod, and the top of the stirring tube is at the same height as the top of the rotating rod.
[0009] Preferably, a driven wheel is fixedly connected to the outer side of the rotating rod, a belt is wound around the outer side of the driven wheel, the other end of the inner side of the belt is wound around the outer side of the driving wheel, one side of the driving wheel is fixedly connected to the output end of the motor, and one end of the motor is fixedly connected to the bottom of the support plate.
[0010] Preferably, a plurality of holes are formed on the outer side of the stirring tube.
[0011] Preferably, a plurality of concentration detectors are provided in the dissolving cylinder, and a pH value detector is provided in the dissolving cylinder.
[0012] Preferably, a drain pipe is fixedly connected to the outer side of the bottom end of the dissolving cylinder.
[0013] The utility model has the following beneficial effects:
[0014] 1. In the utility model, solid polyaluminium chloride is poured into a feeding barrel, and the weight in the feeding barrel is transferred to the sensor through a spring through a connecting chain connected to the feeding barrel. The sensor detects and obtains the precise weight of polyaluminium chloride, and then the cylinder is automatically started to drive the baffle to move outward through the telescopic rod and pour the polyaluminium chloride in the feeding barrel into the guide pipe, and then flows into the stirring pipe. This structure is automatically operated, and only the reactants need to be poured, which saves time and effort and can improve production efficiency.
[0015] 2. In the utility model, the motor drives the driving wheel to rotate and the belt drives the driven wheel to rotate, which drives the rotating rod to rotate and drives the stirring tube to rotate, and the reactants are evenly dispersed to various places in the stirring tube by controlling the rotation speed. The holes on the stirring tube can effectively improve the dissolution efficiency and uniformity, accelerate the reaction process, and help to more accurately control the reaction conditions. The concentration of the mixed solution can be detected at all times by multiple concentration detectors arranged in various places of the dissolution cylinder.
[0016] 3. In the utility model, the solution box arranged outside the dissolving cylinder cooperates with the infusion tube and the valve to transport the neutralizing liquid according to the pH value in the dissolving cylinder. Two acidic and alkaline neutralizing liquid tanks are arranged in the solution box, and the pH value of the mixed liquid can be detected by the pH value detector in the dissolving cylinder. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the structure of a polyaluminium chloride doser proposed by the utility model;
[0018] Figure 2 This is a schematic diagram of the internal structure of a polyaluminium chloride doser proposed by the utility model;
[0019] Figure 3 The utility model provides a cross-sectional view of the internal structure of a polyaluminium chloride doser.
[0020] Legend:
[0021] 1. Dissolving cylinder; 2. Bottom of barrel; 3. Drain pipe; 4. Support plate; 5. Top plate; 6. Support rod; 7. Connecting rod; 8. Solution tank; 9. Neutralizing liquid tank; 10. Valve; 11. Infusion tube; 12. Sensor; 13. Spring; 14. Connecting chain; 15. Feeding cylinder; 16. Telescopic rod; 17. Slide; 18. Feeding pipe; 19. Fixed rod; 20. Driven wheel; 21. Driving wheel; 22. Motor; 23. Belt; 24. Stirring tube; 25. Rotating rod; 26. Hole; 27. Concentration detector; 28. Empty slot; 29. pH value detector; 30. Baffle; 31. Cylinder. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings of the specification of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] Reference Figure 1-Figure 3The utility model provides an embodiment: a polyaluminium chloride doser, comprising a dissolving cylinder 1, a support plate 4 is fixedly connected to the top of the dissolving cylinder 1, a barrel bottom 2 is fixedly connected to the bottom of the dissolving cylinder 1, a top plate 5 is fixedly connected to the top of the support plate 4, a support rod 6 is symmetrically fixedly connected to the top of the top plate 5, a connecting rod 7 is fixedly connected to the top of the support rod 6, a sensor 12 is fixedly connected to the bottom center of the connecting rod 7, a spring 13 is connected to the outside of the sensor 12, a plurality of connecting chains 14 are evenly fixedly connected to the other end of the spring 13, a feeding cylinder 15 is fixedly connected to the other end of the connecting chain 14, a chute 17 is provided at the bottom of the feeding cylinder 15, a baffle 30 is provided in the chute 17, and a baffle 30 is provided in the baffle A telescopic rod 16 is fixedly connected to one side of the plate 30, and a cylinder 31 is fixedly connected to the other end of the telescopic rod 16. Fixed rods 19 are symmetrically fixedly connected inside the support plate 4, and a guide pipe 18 is fixedly connected between the fixed rods 19. A drain pipe 3 is fixedly connected to the outer side of the bottom end of the dissolving cylinder 1. Solid polyaluminium chloride is poured into the feeding cylinder 15, and the weight in the feeding cylinder 15 is transferred to the sensor 12 through the spring 13 through the connecting chain 14 connected to the feeding cylinder 15. The sensor 12 detects and obtains the precise weight of the polyaluminium chloride, and then the cylinder 31 is automatically started to drive the baffle 30 to move outward through the telescopic rod 16 and pour the polyaluminium chloride in the feeding cylinder 15 into the guide pipe 18.
[0024] Reference Figure 1-Figure 3 A liquid infusion tube 11 is symmetrically and fixedly connected to one side of the dissolving cylinder 1, a valve 10 is installed on the outside of the liquid infusion tube 11, the other end of the liquid infusion tube 11 passes through and is fixedly connected to a solution box 8, the other end of the liquid infusion tube 11 is fixedly connected to a neutralizing liquid box 9, a pH value detector 29 is provided in the dissolving cylinder 1, and the neutralizing liquid is transported according to the pH value in the dissolving cylinder 1 by means of the solution box 8 arranged on the outside of the dissolving cylinder 1 in conjunction with the liquid infusion tube 11 and the valve 10, two acidic and alkaline neutralizing liquid boxes 9 are provided in the solution box 8, and the pH value of the mixed liquid can be detected by the pH value detector 29 in the dissolving cylinder 1.
[0025] Reference Figure 2 and Figure 3, a rotating rod 25 is provided below the guide tube 18, and an empty groove 28 is provided on the outer side of the rotating rod 25, and a stirring tube 24 is fixedly connected in the empty groove 28. The stirring tube 24 is arranged in the rotating rod 25, and the top of the stirring tube 24 is at the same height as the top of the rotating rod 25. A driven wheel 20 is fixedly connected to the outer side of the rotating rod 25, and a belt 23 is wound around the outer side of the driven wheel 20. The other end of the inner side of the belt 23 is wound around the outer side of the driving wheel 21, and one side of the driving wheel 21 is fixedly connected to the output end of the motor 22, and one end of the motor 22 is fixedly connected to the bottom of the support plate 4. A plurality of holes 26 are provided on the outer side of the stirring tube 24, and the driving wheel 21 is driven by the motor 22 to rotate and the driven wheel 20 is driven by the belt 23 to rotate, so as to drive the rotating rod 25 to rotate and drive the stirring tube 24 to rotate, and by controlling the rotation speed, the reactant is evenly dispersed to various places in the stirring tube 24, and the holes 26 on the stirring tube 24 can effectively improve the dissolution efficiency and uniformity, accelerate the reaction process, and help to more accurately control the reaction conditions.
[0026] Reference Figure 2 A plurality of concentration detectors 27 are provided in the dissolving cylinder 1. The concentration of the mixed solution can be detected at all times by the plurality of concentration detectors 27 provided at various locations in the dissolving cylinder 1. The uniformity of the dissolution can be observed based on the concentration of the mixed solution above and below and outside the center in the dissolving cylinder 1.
[0027] Working principle: Pour solid polyaluminium chloride into the feeding barrel 15, and transmit the weight in the feeding barrel 15 to the sensor 12 through the spring 13 through the connecting chain 14 connected to the feeding barrel 15. The sensor 12 detects and obtains the precise weight of polyaluminium chloride, and then the cylinder 31 is automatically started to drive the baffle 30 to move outward through the telescopic rod 16 and pour the polyaluminium chloride in the feeding barrel 15 into the guide pipe 18. The polyaluminium chloride flows into the stirring pipe 24 through the guide pipe 18, and then the driving wheel 21 is driven by the motor 22 to rotate and with the help of the belt 23 drives the driven wheel 20 to rotate, which drives the rotating rod 25 to rotate and drives the stirring tube 24 to rotate, and by controlling the rotation speed, the reactants are evenly dispersed to various places in the stirring tube 24. During the stirring and mixing process, the concentration of the mixed solution can be detected at all times by multiple concentration detectors 27 arranged at various places of the dissolving cylinder 1. The uniformity of dissolution is observed according to the concentration of the mixed solution above and below and outside the center of the dissolving cylinder 1. The pH value of the mixed solution is observed by the pH value detector 29. According to the situation, the valve 10 can be opened to select the injection of acidic neutralizing solution or alkaline neutralizing solution for regulation.
[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A polyaluminium chloride doser, comprising a dissolving cylinder (1), the top of the dissolving cylinder (1) being fixedly connected to a support plate (4), the bottom of the dissolving cylinder (1) being fixedly connected to a barrel bottom (2), characterized in that: The top of the support plate (4) is fixedly connected to a top plate (5), the top of the top plate (5) is symmetrically fixedly connected to a support rod (6), the top of the support rod (6) is fixedly connected to a connecting rod (7), the bottom center of the connecting rod (7) is fixedly connected to a sensor (12), the outer side of the sensor (12) is connected to a spring (13), the other end of the spring (13) is evenly fixedly connected to a plurality of connecting chains (14), the other end of the connecting chain (14) is fixedly connected to a feeding barrel (15), a slide groove (17) is provided at the bottom end of the feeding barrel (15), a baffle (30) is provided in the slide groove (17), one side of the baffle (30) is fixedly connected to a telescopic rod (16), and the other end of the telescopic rod (16) is fixedly connected to a cylinder (31).
2. A polyaluminium chloride doser according to claim 1, characterized in that: A liquid infusion tube (11) is symmetrically and fixedly connected to one side of the dissolving cylinder (1), a valve (10) is installed on the outside of the liquid infusion tube (11), the other end of the liquid infusion tube (11) passes through and is fixedly connected to a solution tank (8), and the other end of the liquid infusion tube (11) is fixedly connected to a neutralizing liquid tank (9).
3. A polyaluminium chloride doser according to claim 1, characterized in that: Fixed rods (19) are symmetrically fixedly connected inside the support plate (4), and material guide pipes (18) are fixedly connected between the fixed rods (19).
4. A polyaluminium chloride doser according to claim 3, characterized in that: A rotating rod (25) is provided below the material guide tube (18), a hollow groove (28) is provided on the outer side of the rotating rod (25), a stirring tube (24) is fixedly connected in the hollow groove (28), the stirring tube (24) is arranged in the rotating rod (25), and the top end of the stirring tube (24) is at the same height as the top end of the rotating rod (25).
5. A polyaluminium chloride doser according to claim 4, characterized in that: The outer side of the rotating rod (25) is fixedly connected to a driven wheel (20), the outer side of the driven wheel (20) is wound with a belt (23), the other end of the inner side of the belt (23) is wound around the outer side of the driving wheel (21), one side of the driving wheel (21) is fixedly connected to the output end of the motor (22), and one end of the motor (22) is fixedly connected to the bottom of the support plate (4).
6. A polyaluminium chloride doser according to claim 4, characterized in that: A plurality of holes (26) are formed on the outer side of the stirring tube (24).
7. A polyaluminium chloride doser according to claim 1, characterized in that: A plurality of concentration detectors (27) are arranged in the dissolving cylinder (1), and a pH value detector (29) is arranged in the dissolving cylinder (1).
8. A polyaluminium chloride doser according to claim 1, characterized in that: A drainage pipe (3) is fixedly connected to the outer side of the bottom end of the dissolving cylinder (1).