Water treatment sodium hydroxide feeding device with anti-adhesion structure
By employing a conical grinding sleeve and heating wire in the sodium hydroxide feeding device, the problem of sodium hydroxide absorbing water, clumping, and sticking to pipelines was solved, thus achieving safe and efficient sodium hydroxide transportation and reaction.
Patent Information
- Application Number
- CN202422877906.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-25
AI Technical Summary
Sodium hydroxide has a strong hygroscopic property in the external environment, which can easily cause it to clump and stick to pipes. Existing technologies have not been able to effectively solve this problem.
A sodium hydroxide feeding device with an anti-adhesion structure was designed. The conical structure of the grinding sleeve is used to distribute the particles evenly, and the moisture is removed by heating with an electric heating wire. Combined with grounding, static electricity is eliminated to prevent adhesion.
It effectively prevents sodium hydroxide particles from clumping in pipelines, improves reaction efficiency, avoids blockages, and ensures safe transportation.
Smart Images

Figure CN223505254U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sodium hydroxide feeding technology, specifically a sodium hydroxide feeding device for water treatment with an anti-adhesion structure. Background Technology
[0002] Sodium hydroxide, also known as caustic soda or lye, is a strong alkali that is commonly used in water treatment processes for pH adjustment and chemical precipitation. Sodium hydroxide can be used to treat wastewater containing heavy metal ions by removing them through the formation of insoluble hydroxide precipitates.
[0003] Sodium hydroxide is a white granular solid at room temperature. It is highly corrosive and can easily cause harm to workers.
[0004] To overcome the above-mentioned defects, the prior art (publication number: CN221894804U) Chinese patent discloses a sodium hydroxide feeding device, which uses a servo motor to rotate in the opposite direction, causing the lead screw to rotate in the opposite direction. The gear meshing with the rack body causes the rotating shaft and the feeding box to rotate in opposite directions until the gear and rack body no longer mesh. At this time, the feeding box is in a vertical state until the feeding box returns to its original position. This utility model can not only facilitate the feeding of sodium hydroxide, but also avoid the sodium hydroxide causing harm to workers during the feeding process.
[0005] While existing technologies can overcome the shortcomings mentioned above, other problems still exist during their operation: sodium hydroxide has extremely strong water absorption properties, and when sodium hydroxide is in the external environment, it is easy for it to absorb water, clump together, and stick to the pipes. Utility Model Content
[0006] The purpose of this invention is to provide a sodium hydroxide feeding device for water treatment with an anti-adhesion structure, so as to solve the problem in the background art that sodium hydroxide has extremely strong water absorption, and when sodium hydroxide is in the external environment, it is easy to absorb water, clump together, and stick to the pipes.
[0007] To achieve the above objectives, the present invention provides the following technical solution: a sodium hydroxide feeding device for water treatment with an anti-adhesion structure, comprising a grinding tank, wherein a feeding hopper is fixedly connected to the top of the grinding tank and a discharge port is provided at the bottom of the grinding tank;
[0008] The bottom of the grinding tank is fixedly connected to a connecting pipe, and one end of the connecting pipe is fixedly connected to a transport pipe. A ring of equally spaced protective rods is fixedly connected to the outside of the transport pipe, and a spiral-shaped grounding wire is fixedly connected between the protective rods and the transport pipe, with one end of the grounding wire being grounded.
[0009] Preferably, the connecting pipe communicates with the inside of the discharge port, and a transport motor is fixedly connected to the end of the connecting pipe away from the transport pipe, and the output end of the transport motor extends into the inside of the connecting pipe.
[0010] Preferably, the output end of the transport motor is fixedly connected to a transport rod, and the transport rod is composed of a rotating shaft and a transport bar. The transport bar is fixedly connected to the outer wall of the rotating shaft, and the transport bar is spirally distributed around the outer side of the rotating shaft.
[0011] Preferably, the upper and lower ends of the grinding jar are both funnel-shaped structures, with the upper end of the grinding jar communicating with the inside of the feeding hopper and the lower end of the grinding jar communicating with the inside of the connecting pipe.
[0012] Preferably, a protective ring with an annular structure is fixedly connected to the outer side of the upper end of the grinding jar, and the protective ring is located between the grinding jar and the feeding hopper. A heating wire with a spiral distribution is fixedly connected between the protective ring and the outer side of the upper end of the grinding jar.
[0013] Preferably, a ring-shaped bracket is fixedly connected in the middle of the grinding jar, and one end of the bracket away from the inside of the grinding jar is fixedly connected to the mounting box, and a grinding motor is fixedly connected inside the mounting box.
[0014] Preferably, a grinding sleeve is fixedly connected to the output end of the grinding motor, and the grinding sleeve is designed with a conical structure. The top of the grinding sleeve extends to the bottom of the inner side of the feeding hopper, and the outer side of the grinding sleeve and the inner side of the upper end of the grinding tank are aligned with each other.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] This water treatment sodium hydroxide feeding device with an anti-adhesion structure has a conical grinding sleeve. This allows the sodium hydroxide particles that come into contact with the top of the grinding sleeve to be evenly distributed on the outside of the grinding sleeve. At the same time, the grinding motor is started to drive the grinding sleeve to rotate. During the rotation of the grinding sleeve, the grinding sleeve grinds the sodium hydroxide through its outer side and the part aligned with the inner side of the upper end of the grinding tank. This reduces the size of the sodium hydroxide particles, preventing them from clogging the pipes and improving the efficiency of the sodium hydroxide reaction with water.
[0017] The inner side of the upper end of the grinding jar is heated by the protective ring, thereby heating the sodium hydroxide particles between the grinding jar and the grinding sleeve, evaporating the moisture inside, and preventing them from absorbing water and clumping, which would cause adhesion and blockage.
[0018] By installing a grounding wire on the outside of the transport pipe, static electricity inside the transport pipe and connecting pipe is conducted into the ground, thereby preventing the connecting pipe and the inside of the transport pipe from sticking to sodium hydroxide particles due to static electricity. Attached Figure Description
[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0020] Figure 2 This is a schematic cross-sectional view of the present invention.
[0021] Figure 3 This is a schematic diagram of the heating wire structure of this utility model;
[0022] Figure 4 This is a schematic diagram of the grinding sleeve structure of this utility model;
[0023] Figure 5 This is a schematic diagram of the cross-sectional structure of the connecting pipe of this utility model;
[0024] Figure 6 This is a schematic diagram of the ground wire structure of this utility model.
[0025] In the diagram: 1. Grinding jar; 2. Feeding hopper; 3. Discharge port; 4. Connecting pipe; 5. Transport motor; 6. Transport rod; 7. Transport pipe; 8. Protective rod; 9. Ground wire; 10. Protective ring; 11. Heating wire; 12. Mounting box; 13. Grinding motor; 14. Grinding sleeve. Detailed Implementation
[0026] 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. Example 1
[0027] Please see Figure 1 - Figure 6 The present invention provides the following technical solution:
[0028] A sodium hydroxide feeding device for water treatment with an anti-adhesion structure includes a grinding tank 1, a feeding hopper 2 fixedly connected to the top of the grinding tank 1, and a discharge port 3 at the bottom of the grinding tank 1;
[0029] A connecting pipe 4 is fixedly connected to the bottom of the grinding tank 1, and a transport pipe 7 is fixedly connected to one end of the connecting pipe 4. A ring of equally spaced protective rods 8 is fixedly connected to the outside of the transport pipe 7, and a spiral-shaped grounding wire 9 is fixedly connected between the protective rods 8 and the transport pipe 7, with one end of the grounding wire 9 being grounded.
[0030] The connecting pipe 4 is connected to the inside of the discharge port 3, and the end of the connecting pipe 4 away from the transport pipe 7 is fixedly connected to the transport motor 5, and the output end of the transport motor 5 extends into the inside of the connecting pipe 4.
[0031] The output end of the transport motor 5 is fixedly connected to the transport rod 6, which is composed of a rotating shaft and a transport bar. The transport bar is fixedly connected to the outer wall of the rotating shaft, and the transport bar is spirally distributed around the outer side of the rotating shaft.
[0032] The upper and lower ends of the grinding tank 1 are both designed as funnel-shaped structures, and the upper end of the grinding tank 1 is connected to the inside of the feeding hopper 2, while the lower end of the grinding tank 1 is connected to the inside of the connecting pipe 4.
[0033] A protective ring 10 with an annular structure is fixedly connected to the outer side of the upper end of the grinding jar 1, and the protective ring 10 is located between the grinding jar 1 and the feeding hopper 2. A spirally distributed heating wire 11 is fixedly connected between the protective ring 10 and the outer side of the upper end of the grinding jar 1.
[0034] Inside the grinding jar 1, there is a ring-shaped bracket that is fixedly connected in the middle. The end of the bracket away from the inside of the grinding jar 1 is fixedly connected to the mounting box 12. The grinding motor 13 is fixedly connected inside the mounting box 12.
[0035] The output end of the grinding motor 13 is fixedly connected to the grinding sleeve 14, and the grinding sleeve 14 is designed with a conical structure. The top of the grinding sleeve 14 extends to the bottom of the inner side of the feeding hopper 2, and the outer side of the grinding sleeve 14 is aligned with the inner side of the upper end of the grinding tank 1. Example 2
[0036] Based on Example 1, its specific working principle is as follows:
[0037] This water treatment sodium hydroxide feeding device with an anti-adhesion structure first adds sodium hydroxide particles from the feeding hopper 2 into the grinding tank 1, so that the sodium hydroxide particles fall from the inner side of the upper end of the grinding tank 1 and the outer side of the grinding sleeve 14 into the inner side of the lower end of the grinding tank 1. Since the bottom of the grinding tank 1 is designed with a hopper-shaped structure, the sodium hydroxide will be collected by the discharge port 3 when it is close to the discharge port 3, and the sodium hydroxide will enter the connecting pipe 4 through the discharge port 3. At this time, the transport motor 5 is started to drive the transport rod 6 to rotate inside the connecting pipe 4 and the transport pipe 7, thereby transporting the sodium hydroxide to the end of the transport pipe 7 away from the connecting pipe 4 for discharge, thus completing the function of sodium hydroxide feeding.
[0038] After sodium hydroxide particles enter the feeding hopper 2, they will move to the bottom of the feeding hopper 2 and come into contact with the upper end of the grinding sleeve 14. Since the grinding sleeve 14 is designed with a conical structure, the sodium hydroxide particles that come into contact with the top of the grinding sleeve 14 will be evenly distributed on the outside of the grinding sleeve 14. At the same time, the grinding motor 13 is started to drive the grinding sleeve 14 to rotate. When the grinding sleeve 14 is rotating, it grinds the sodium hydroxide through its outer side and the part aligned with the inner side of the upper end of the grinding tank 1, thereby reducing the sodium hydroxide particles. This prevents the sodium hydroxide particles from clogging the pipes and improves the efficiency of the sodium hydroxide reaction with water.
[0039] During the grinding process between the inner side of the upper end of the grinding jar 1 and the inner side of the grinding sleeve 14, the protective ring 10 is energized to heat the inner side of the upper end of the grinding jar 1, thereby heating the sodium hydroxide particles between the grinding jar 1 and the grinding sleeve 14, evaporating the moisture inside them, and preventing them from absorbing water and forming clumps that could cause adhesion and blockage.
[0040] When sodium hydroxide moves into the connecting pipe 4, the conveying motor 5 drives the conveying rod 6 to rotate. The conveying rod 6 drives the spirally distributed conveying strips to rotate on its outer side through the rotating shaft, thereby driving the material to be transported inside the connecting pipe 4 and the conveying pipe 7. A grounded ground wire 9 is set on the outside of the conveying pipe 7 to conduct the static electricity inside the conveying pipe 7 and the connecting pipe 4 into the ground, thereby preventing the connecting pipe 4 and the conveying pipe 7 from sticking to the sodium hydroxide particles due to static electricity.
[0041] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" or "linked" should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral connection; it can refer to a mechanical connection or an electrical connection; it can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0042] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A sodium hydroxide feeding device for water treatment with an anti-adhesion structure, comprising a grinding tank (1), wherein a feeding hopper (2) is fixedly connected to the top of the grinding tank (1), and a discharge port (3) is provided at the bottom of the grinding tank (1); Its features are: The grinding tank (1) is fixedly connected to a connecting pipe (4) at the bottom, and a transport pipe (7) is fixedly connected to one end of the connecting pipe (4). A ring of equally spaced protective rods (8) is fixedly connected to the outside of the transport pipe (7), and a spiral-shaped grounding wire (9) is fixedly connected between the protective rod (8) and the transport pipe (7), and one end of the grounding wire (9) is grounded.
2. The sodium hydroxide dosing device for water treatment with an anti-adhesion structure according to claim 1, characterized in that: The connecting pipe (4) is connected to the inside of the discharge port (3), and a transport motor (5) is fixedly connected to one end of the connecting pipe (4) away from the transport pipe (7), and the output end of the transport motor (5) extends into the inside of the connecting pipe (4).
3. A sodium hydroxide dosing device for water treatment with an anti-adhesion structure according to claim 2, characterized in that: The output end of the transport motor (5) is fixedly connected to a transport rod (6), and the transport rod (6) is composed of a rotating shaft and a transport bar. The transport bar is fixedly connected to the outer wall of the rotating shaft, and the transport bar is spirally distributed around the outer side of the rotating shaft.
4. A sodium hydroxide dosing device for water treatment with an anti-adhesion structure according to claim 3, characterized in that: The grinding jar (1) is configured with a funnel-shaped structure at both the upper and lower ends. The upper end of the grinding jar (1) is connected to the inside of the feeding hopper (2), and the lower end of the grinding jar (1) is connected to the inside of the connecting pipe (4).
5. A sodium hydroxide dosing device for water treatment with an anti-adhesion structure according to claim 4, characterized in that: The grinding jar (1) is fixedly connected to the outer side of the upper end with a protective ring (10) in an annular structure, and the protective ring (10) is located between the grinding jar (1) and the feeding hopper (2), and a spirally distributed heating wire (11) is fixedly connected between the protective ring (10) and the outer side of the upper end of the grinding jar (1).
6. A sodium hydroxide dosing device for water treatment with an anti-adhesion structure according to claim 5, characterized in that: The grinding jar (1) has a bracket that is fixedly connected in the middle of the inside in a ring and is evenly distributed. The end of the bracket that is away from the inside of the grinding jar (1) is fixedly connected to the mounting box (12), and the grinding motor (13) is fixedly connected inside the mounting box (12).
7. A sodium hydroxide dosing device for water treatment with an anti-adhesion structure according to claim 6, characterized in that: The grinding motor (13) output end is fixedly connected to a grinding sleeve (14), and the grinding sleeve (14) is a conical structure. The top of the grinding sleeve (14) extends to the bottom of the inner side of the feeding hopper (2), and the outer side of the grinding sleeve (14) and the inner side of the upper end of the grinding tank (1) are aligned with each other.
Citation Information
Patent Citations
Sodium hydroxide feeding device
CN221894804U