Conical tubular water and fertilizer mixing device
By using a conical tube-type water and fertilizer mixing device to promote the mixing of liquid fertilizer and water through the attractive force of rotating blades, the problems of complex structure, high energy consumption and low efficiency of existing water and fertilizer mixers in small irrigation systems are solved, achieving efficient mixing and reduced energy consumption.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 胡啸堃
- Filing Date
- 2025-09-08
- Publication Date
- 2026-08-04
AI Technical Summary
Existing water-fertilizer mixers are complex in structure and have high energy consumption in small irrigation systems. Their efficiency decreases at low flow rates and they are prone to clogging. They are also not suitable for pipes of different diameters.
The device employs a conical tube-type water-fertilizer mixing unit. It utilizes blades to drive the S-shaped blade shaft to rotate, and the impact of water flow generates an attractive force to promote the mixing of liquid fertilizer and water. It is suitable for variable diameter pipes.
It improves mixing efficiency, simplifies the structure, reduces energy consumption, and adapts to the needs of variable diameter pipelines.
Smart Images

Figure CN224585722U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of agricultural water and fertilizer mixers, and specifically relates to a conical tube type water and fertilizer mixing device. Background Technology
[0002] In agricultural irrigation systems, fertigation technology requires ensuring thorough mixing of fertilizer and irrigation water. Existing mixers mostly employ mechanical agitation or static mixing structures. Mechanical agitation requires additional power, is complex in structure, and consumes a lot of energy, making it unsuitable for small irrigation systems. Static mixers (such as fixed-blade mixers) rely on water pressure differentials for mixing, resulting in a sharp drop in efficiency at low flow rates and a tendency to clog. Conventional mixers have poor adaptability in variable-diameter pipes, especially in tapered pipes where mixing dead zones easily form. Liquid fertilizer intake also relies on external pumps, increasing equipment costs.
[0003] Therefore, there is an urgent need for a high-efficiency mixing device that is simple in structure, does not depend on power, and can adapt to pipes with varying diameters. Utility Model Content
[0004] This utility model addresses the defects or deficiencies of the existing technology in the background section by providing a conical tube-type water-fertilizer mixer.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A conical tube-type water-fertilizer mixing device includes a hollow conical tube, a first support, an S-shaped blade shaft, and a retaining ring. The hollow conical tube is connected to the first support via an installation tube. A limiting plate with a through hole is provided in the middle of the installation tube. A first stop is provided at one end of the S-shaped blade shaft, and a second support is provided at the other end. Multiple axially inclined blades are provided on the second support, and the multiple blades are arranged in a circumferential array in the radial direction of the S-shaped blade shaft. The middle part of the S-shaped blade shaft is an S-shaped structural part. A second stop is also provided on the S-shaped blade shaft, located between the S-shaped structural part and the second support. The first stop at the left end of the S-shaped blade shaft extends into the left cavity of the installation tube after passing through the through hole. The horizontal shaft of the right section of the S-shaped blade shaft is placed on the U-shaped support at the center of the retaining ring. The right side of the second stop contacts the left side of the U-shaped support at the center of the retaining ring. The second support is located outside the hollow conical tube. Spring columns are symmetrically arranged on the circumference of the retaining ring. Retaining holes corresponding to the spring columns are symmetrically arranged on the wall of the hollow conical tube. At least one connecting pipe for connecting fertilizer solution pipe is provided on the wall of the hollow conical tube.
[0007] Furthermore, the hollow cone tube is coaxially arranged with the S-shaped blade shaft.
[0008] Furthermore, the S-shaped blade shaft, the first stop block, the second stop block, and the second support are integrally formed.
[0009] Furthermore, the outer diameter of the impeller formed by the blades is larger than the outer diameter of the right end of the hollow cone tube, and smaller than the outer diameter of the first support.
[0010] Compared with the prior art, the beneficial technical effects of this utility model are:
[0011] This utility model's conical tube water-fertilizer mixing device is suitable for agricultural water-fertilizer mixing processes, and can also be extended to gas-liquid or liquid-liquid media mixing in fields such as water supply and drainage, chemical industry, and environmental protection, improving mixing efficiency. When used for water-fertilizer mixing, the device is inserted into a water pipe with a pre-drilled hole in the pipe wall corresponding to a connecting pipe. The device is positioned within the water pipe by connecting the fertilizer pipe and the connecting pipe, working in conjunction with the first support. When the water flows axially and impacts the blades, the blades drive the S-shaped blade shaft to rotate, generating an attractive force within the hollow conical tube. This forces the liquid fertilizer in the fertilizer pipe into the hollow conical tube, where it mixes with the water more quickly, improving mixing efficiency. Attached Figure Description
[0012] Figure 1 This is a perspective view of a conical tube-type water and fertilizer mixing device according to this utility model;
[0013] Figure 2 This is a top view of a conical tube-type water and fertilizer mixing device according to this utility model;
[0014] Figure 3 yes Figure 2 Sectional view along the AA direction;
[0015] Figure 4 yes Figure 3 A magnified view of a section at point B in the middle;
[0016] Figure 5 This is a structural diagram of the limiting plate;
[0017] Figure 6 This is a schematic diagram of the S-shaped blade shaft;
[0018] Figure 7 This is a schematic diagram of the clasp structure;
[0019] Figure 8 This is an application scenario diagram of a conical tube-type water and fertilizer mixing device of this utility model.
[0020] Reference numerals: 1-Hollow cone tube, 101-Clamping hole, 2-First bracket, 3-Installation tube, 301-Limiting plate, 3011-Through hole, 4-S-shaped blade shaft, 401-First stop block, 402-Second stop block, 5-Second bracket, 6-Blade, 7-Clamping ring, 8-Spring column, 9-Connecting tube, 10-Water pipe, 11-Fertilizer solution pipe. Detailed Implementation
[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the following describes this utility model in further detail through preferred embodiments.
[0022] Please see the appendix Figure 1-7 This embodiment provides a conical tube-type water-fertilizer mixing device, including a hollow conical tube 1, a first support 2, an S-shaped blade shaft 4, and a retaining ring 7. The hollow conical tube 1 is connected to the first support 2 via an installation tube 3. The installation tube 3 has a limiting plate 301 with a through hole 3011 in its middle. One end of the S-shaped blade shaft 4 is provided with a first stop 401, and the other end is provided with a second support 5. The second support 5 is provided with multiple axially inclined blades 6, which are arranged in a circumferential array in the radial direction of the S-shaped blade shaft 4. The middle part of the S-shaped blade shaft 4 is an S-shaped structural part. The S-shaped blade shaft 4 is also provided with a second stop 402. Block 402 is located between the S-shaped structure and the second support 5. The first stop block 401 at the left end of the S-shaped blade shaft 4 passes through the through hole 3011 and extends into the left cavity of the mounting tube 3. The right section of the horizontal shaft of the S-shaped blade shaft 4 is placed on the U-shaped support in the center of the retaining ring 7. The right side of the second stop block 402 contacts the left side of the U-shaped support in the center of the retaining ring 7. The second support 5 is located outside the hollow cone tube 1. Spring columns 8 are symmetrically arranged on the circumference of the retaining ring 7. The wall of the hollow cone tube 1 is symmetrically provided with retaining holes 101 corresponding to the spring columns 8. The wall of the hollow cone tube 1 is provided with at least one connecting tube 9 for connecting the fertilizer pipe 11.
[0023] Specifically, the hollow cone tube 1 is coaxially arranged with the S-shaped blade shaft 4. The S-shaped blade shaft 4, the first stop block 401, the second stop block 402, and the second support 5 are integrally formed. The outer diameter of the impeller formed by the blade 6 is larger than the outer diameter of the right end of the hollow cone tube 1 and smaller than the outer diameter of the first support 2.
[0024] In this embodiment, the first bracket 2 includes a cross-shaped frame and a ring. The ring is disposed at the outer end of the cross-shaped frame, and the mounting tube 3 is connected to the center of the cross-shaped frame. The limiting plate 301 divides the mounting tube 3 into two parts. The left cavity is used to accommodate the first stop 401. The first stop 401 rotates in the left cavity of the mounting tube 3 as the S-shaped blade shaft 4 rotates. The length of the first stop 401 is greater than the width of the through hole 3011, but does not exceed the length of the through hole 3011.
[0025] Preferably, the hollow cone tube 1 has three connecting tubes 9 on its wall.
[0026] Optionally, the axial tilt angle of the blade 6 is 15°-45°, which is used to convert the axial water flow energy into the rotational driving force of the S-shaped blade shaft 4.
[0027] Optionally, the amplitude of the crests and troughs of the S-shaped structure gradually decreases according to the tapered shape of the hollow cone tube 1, and the distance between the crests / troughs of the S-shaped structure and the inner wall of the hollow cone tube 1 is 5%-10% of the tube diameter, forming a progressively compressed vortex channel.
[0028] This embodiment describes an assembly method for a conical tube-type water-fertilizer mixing device: a hollow conical tube 1, a first support 2, and an installation tube 3 are component A; a second support 5 and a blade 6 forming an impeller and an S-shaped blade shaft 4 are component B; and a retaining ring 7 is component C. The left end of the S-shaped blade shaft 4 of component B is inserted into the hollow conical tube 1 of component A. The first stop 401 passes through the through hole 3011 and extends into the left cavity of the installation tube 3. The right horizontal shaft of the S-shaped blade shaft 4 is placed on the U-shaped support at the center of the retaining ring 7 of component C. Component C is pushed to the left. When the center of the retaining ring 7 contacts the second stop 402, the spring post 8 is just inserted into the retaining hole 101, and the assembly is complete.
[0029] like Figure 8 As shown, prepare a water pipe 10, multiple fertilizer solution pipes 11, and this device. The inner diameter of the water pipe 10 must match the outer diameter of the first support 2. A hole is drilled in the wall of the water pipe 10, with the hole's position and direction corresponding to the connecting pipe 9. Insert this device into the water pipe 10, ensuring the gap between the outer side of the first support 2 and the water pipe 10 does not exceed 1mm. When the connecting pipe 9 is aligned with the hole in the water pipe 10, connect the fertilizer solution pipe 11 to the connecting pipe 9, and use sealant to seal the fertilizer solution pipe 11 to prevent leakage. After the fertilizer solution pipe 11 and connecting pipe 9 are connected, work with the first support 2 to position the device within the water pipe 10. Open the valve on the water pipe 10 to allow water to enter. As the water flows axially and impacts the blades 6, the blades 6 drive the S-shaped blade shaft 4 to rotate, generating suction within the hollow cone tube 1. Open the valve on the fertilizer solution pipe 11 to allow different fertilizer solutions to mix within the hollow cone tube 1 before being further mixed with water for accelerated mixing.
[0030] The above description is a preferred embodiment of the present utility model, used to explain the technical solution of the present utility model. Those skilled in the art can also make conventional modifications, equivalent substitutions and improvements within the spirit and principles of the present utility model.
Claims
1. A conical tube-type water and fertilizer mixing device, characterized in that: The device includes a hollow conical tube, a first support, an S-shaped impeller, and a retaining ring. The hollow conical tube is connected to the first support via an installation tube. A limiting plate with a through hole is provided in the middle of the installation tube. A first stop is provided at one end of the S-shaped impeller, and a second support is provided at the other end. Multiple axially inclined blades are provided on the second support, and the multiple blades are arranged in a circumferential array in the radial direction of the S-shaped impeller. The middle part of the S-shaped impeller is an S-shaped structural part. A second stop is also provided on the S-shaped impeller, located between the S-shaped structural part and the second support. The first stop at the left end of the S-shaped impeller passes through the through hole and extends into the left cavity of the installation tube. The horizontal shaft of the right section of the S-shaped impeller is placed on the U-shaped support in the center of the retaining ring. The right side of the second stop contacts the left side of the U-shaped support in the center of the retaining ring. The second support is located outside the hollow conical tube. Spring posts are symmetrically arranged on the circumference of the retaining ring. Retaining holes corresponding to the spring posts are symmetrically arranged on the wall of the hollow conical tube. At least one connecting pipe for connecting to a fertilizer solution pipe is provided on the wall of the hollow conical tube.
2. The conical tube type water and fertilizer mixing device according to claim 1, characterized in that: Furthermore, the hollow cone tube is coaxially arranged with the S-shaped blade shaft.
3. The conical tube type water-fertilizer mixing device according to claim 1, characterized in that: The S-shaped blade shaft, the first stop block, the second stop block, and the second support are integrally formed.
4. The conical tube type water-fertilizer mixing device according to claim 1, characterized in that: The outer diameter of the impeller formed by the blades is greater than the outer diameter of the right end of the hollow cone tube, but smaller than the outer diameter of the first support.