An industrial production liquid separation device for molluscicides
By designing a liquid separation device for the industrial production of molluscicides, and utilizing an ultrasonic level gauge and a linear stepper motor to control the moving sleeve, combined with atmospheric pressure and the siphon principle, the problems of inconvenient solid-liquid separation operation and decreased purity in the production of molluscicides were solved, achieving a highly efficient solid-liquid separation effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI JINHAICHAO TECH CO LTD
- Filing Date
- 2025-08-11
- Publication Date
- 2026-08-04
AI Technical Summary
The existing industrial production of molluscicides suffers from inconvenient solid-liquid separation operations and a decrease in the purity of the supernatant due to the pouring method.
Design a liquid separation device for industrial production of molluscicides. The device uses an ultrasonic level gauge to detect the sediment thickness and a linear stepper motor to control the descent of the movable sleeve. Combining atmospheric pressure and the siphon principle, it achieves solid-liquid separation without pouring, ensuring the purity of the supernatant.
It achieves simple operation and convenient use, improves the purity of the supernatant, avoids the precipitate from re-entering the supernatant, and enhances the separation effect.
Smart Images

Figure CN224585411U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of molluscicide production equipment, specifically a liquid separation device for industrial production of molluscicides. Background Technology
[0002] Molluscicides are chemical agents used to control and eliminate snail pests. Currently, the most common ingredients on the market are niclosamide, metaldehyde, molluscicide ethanolamine salt, tea saponin, and pyrospirin. By using molluscicides, the ecological balance problem caused by excessive snail reproduction can be effectively solved, and they are widely used in agriculture, sanitation, and aquaculture.
[0003] In the industrial production of molluscicides, solid-liquid separation is involved, requiring the separation of the supernatant and the lower precipitate. Therefore, a liquid separation device is needed. In existing technologies, many liquid separation processes are completed by tilting. However, due to the large size and weight of the equipment, controlling the angle and speed of tilting during hoisting is difficult and inconvenient. Furthermore, during the process, some precipitate can easily re-enter the supernatant due to equipment movement, leading to a decrease in the purity of the supernatant. Therefore, a liquid separation device for the industrial production of molluscicides has been designed and proposed to facilitate the separation of precipitate. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a liquid separation device for the industrial production of molluscicides, which solves the problems of inconvenient operation and reduced supernatant concentration when solid-liquid separation of molluscicides by pouring during industrial production.
[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:
[0006] A liquid separation device for the industrial production of molluscicide includes a liquid separation tank. The top and bottom of the liquid separation tank are respectively connected to a feed pipe and a slag discharge pipe. A clear liquid discharge pipe is also vertically arranged at the bottom of the liquid separation tank. The upper end of the clear liquid discharge pipe passes through the liquid separation tank and extends into the interior of the liquid separation tank. A movable sleeve with a sealed upper end and sleeved on the surface of the clear liquid discharge pipe is arranged inside the liquid separation tank.
[0007] The top of the movable sleeve is connected to the lower end of the lead screw of the linear stepper motor installed on the top of the separator. A sliding groove is vertically fixed on the inner wall of the separator, and a slider that is slidably connected to the sliding groove is fixedly connected to the surface of the movable sleeve.
[0008] An ultrasonic level gauge is also installed on the top of the separating tank. A connecting pipe is vertically installed on the top of the separating tank, and the upper end of the connecting pipe is connected to an air pump and a filter cap respectively through a three-way valve.
[0009] Preferably, the feed pipe is located at the top of the separator near one side, and the clear liquid discharge pipe and the ultrasonic level gauge are located away from the feed pipe.
[0010] Preferably, the bottom of the separator is hemispherical, and the slag discharge pipe is located at the center of the bottom of the separator.
[0011] Preferably, a shut-off valve is installed on both the clear liquid discharge pipe and the slag discharge pipe near the outlet.
[0012] Preferably, the lower end of the lead screw of the linear stepper motor is connected to the top of the movable sleeve via a rotating connecting seat.
[0013] Preferably, the slide groove is a T-shaped groove, and the slider is slidably engaged with the slide groove.
[0014] Preferably, the filter cap is a connecting cap with a filter cloth installed inside.
[0015] Compared with the prior art, the present invention has the following beneficial effects:
[0016] This invention uses a separating tank to allow materials to settle before separation. An ultrasonic level gauge detects the sediment thickness, and a linear stepper motor lowers a movable sleeve based on this thickness, ensuring the lower end of the sleeve is above the sediment. Utilizing atmospheric pressure and siphon action, the supernatant is discharged to the lower end of the sleeve, stopping the discharge. The entire separating tank requires no tilting or moving, making it simple to operate and convenient to use. It improves purity and solves the problems of inconvenient operation and reduced supernatant concentration associated with tilting methods for solid-liquid separation in industrial production of molluscicides. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the connecting pipe and air pump structure of this utility model;
[0019] Figure 3 This is a schematic diagram of the internal structure of the separator of this utility model;
[0020] Figure 4 This is a partial sectional view of the movable sleeve of this utility model.
[0021] In the diagram: 1. Separating tank; 2. Feed pipe; 3. Slag discharge pipe; 4. Clear liquid discharge pipe; 5. Movable sleeve; 6. Linear stepper motor; 7. Slide chute; 8. Sliding block; 9. Ultrasonic level gauge; 10. Connecting pipe; 11. Three-way valve; 12. Air pump; 13. Filter cap; 14. Shut-off valve; 15. Rotary connecting seat. 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] like Figure 1-4 As shown, this utility model provides a technical solution: a liquid separation device for industrial production of molluscicide, including a liquid separation tank 1. The top and bottom of the liquid separation tank 1 are respectively connected to a feed pipe 2 and a slag discharge pipe 3. The feed pipe 2 is located at the top of the liquid separation tank 1 near one side. The bottom of the liquid separation tank 1 is hemispherical. The slag discharge pipe 3 is located at the center of the bottom of the liquid separation tank 1. A clear liquid discharge pipe 4 is also vertically arranged at the bottom of the liquid separation tank 1. A shut-off valve 14 is installed on both the clear liquid discharge pipe 4 and the slag discharge pipe 3 near the outlet. The shut-off valve 14 is a solenoid valve.
[0024] The upper end of the clear liquid discharge pipe 4 passes through the liquid separator 1 and extends into the interior of the liquid separator 1. The interior of the liquid separator 1 is provided with a movable sleeve 5 that is sealed at the top and fitted on the surface of the clear liquid discharge pipe 4. The top of the movable sleeve 5 is connected to the lower end of the lead screw of the linear stepper motor 6 installed on the top of the liquid separator 1. The lower end of the lead screw of the linear stepper motor 6 is connected to the top of the movable sleeve 5 through a rotating connecting seat 15.
[0025] A vertical groove 7 is fixed on the inner wall of the separator 1. A slider 8 is fixedly connected to the surface of the movable sleeve 5 and is slidably connected to the groove 7. The groove 7 is a T-shaped groove, and the slider 8 is slidably engaged with the groove 7.
[0026] An ultrasonic level gauge 9 is also installed on the top of the separating tank 1. The clear liquid discharge pipe 4 and the ultrasonic level gauge 9 are set away from the feed pipe 2. A connecting pipe 10 is vertically installed on the top of the separating tank 1. The upper end of the connecting pipe 10 is connected to the air pump 12 and the filter cap 13 respectively through a three-way valve 11. The three-way valve 11 is a solenoid valve, and the filter cap 13 is a connecting cap with a filter cloth installed inside.
[0027] Working principle:
[0028] The material to be separated is placed in the separating tank 1. During separation, the thickness of the sediment is detected by the ultrasonic level gauge 9. The distance to which the movable sleeve 5 is lowered by the linear stepper motor 6 is determined based on the sediment thickness, ensuring that the lower end of the movable sleeve 5 is above the sediment. The specific distance depends on the required purity. The greater the distance, the higher the purity, but the waste of supernatant will increase. The closer the distance, the higher the output of supernatant, but if the distance is too close, a small amount of sediment will be sucked in. The shut-off valve 14 of the clear liquid discharge pipe 4 is opened, and air is pumped into the separating tank 1 by the air pump 12 to make the liquid level of the supernatant rise inside the movable sleeve 5. After it passes the upper end of the clear liquid discharge pipe 4, it can be discharged downward. Then, the three-way valve 11 is immediately switched to connect the connecting pipe 10 to the filter cap 13. The air pump 12 is turned off. Under atmospheric pressure and siphon action, the discharge of the supernatant stops when it reaches the lower end of the movable sleeve 5. The operation is simple and convenient. By controlling the height of the lower end of the movable sleeve 5, it can be ensured that the sediment does not easily follow the discharge of the supernatant, thus improving the purity.
Claims
1. An industrial production and separation device for molluscicides, comprising a separation tank (1), a feeding pipe (2) and a residue discharge pipe (3) connected to the top and bottom of the separation tank (1) respectively, characterized in that: The bottom of the liquid separator (1) is also vertically provided with a clear liquid discharge pipe (4). The upper end of the clear liquid discharge pipe (4) passes through the liquid separator (1) and extends into the interior of the liquid separator (1). The interior of the liquid separator (1) is provided with a movable sleeve (5) that is sealed at the upper end and sleeved on the surface of the clear liquid discharge pipe (4). The top of the movable sleeve (5) is connected to the lower end of the lead screw of the linear stepper motor (6) installed on the top of the separator (1). A sliding groove (7) is vertically fixed on the inner wall of the separator (1). A slider (8) that is slidably connected to the sliding groove (7) is fixedly connected to the surface of the movable sleeve (5). The top of the separating tank (1) is also equipped with an ultrasonic level gauge (9). The top of the separating tank (1) is vertically connected with a connecting pipe (10). The upper end of the connecting pipe (10) is connected to the air pump (12) and the filter cap (13) respectively through a three-way valve (11).
2. The industrial production and separation device for molluscicides according to claim 1, characterized in that: The feed pipe (2) is located at the top of the separator (1) near one side, and the clear liquid discharge pipe (4) and the ultrasonic level gauge (9) are located away from the feed pipe (2).
3. The industrial production and separation device for molluscicides according to claim 1, characterized in that: The bottom of the liquid separator (1) is a hemispherical surface, and the slag discharge pipe (3) is located at the center of the bottom of the liquid separator (1).
4. The industrial production and separation device for molluscicides according to claim 1, characterized in that: Both the clear liquid discharge pipe (4) and the slag discharge pipe (3) are equipped with shut-off valves (14) near the outlet.
5. The industrial production and separation device for molluscicides according to claim 1, characterized in that: The lower end of the lead screw of the linear stepper motor (6) is connected to the top of the movable sleeve (5) through a rotating connecting seat (15).
6. The industrial production and separation device for molluscicides according to claim 1, characterized in that: The groove (7) is a T-shaped groove, and the slider (8) is slidably engaged with the groove (7).
7. The industrial production and separation device for molluscicides according to claim 1, characterized in that: The filter cap (13) is a connecting cap for internally installing filter cloth.