CN219355876U

CN219355876U - Efficient emulsifying device for pesticide aqueous emulsion production

Info

Publication number: CN219355876U
Application number: CN202320498552.4U
Authority: CN
Inventors: 王丽娜; 彭成洲; 高华清; 李德鸿; 王海明; 戴权
Original assignee: JIANGXI TIANYOU BIOCHEMICAL CO Ltd; Yizhi Agricultural Technology Co ltd; Jiangxi Hongtudi Chemical Co ltd
Current assignee: JIANGXI TIANYOU BIOCHEMICAL CO Ltd; Yizhi Agricultural Technology Co ltd; Jiangxi Hongtudi Chemical Co ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-07-18
Anticipated expiration: 2033-03-15

Abstract

The utility model relates to a high-efficiency emulsifying device for producing pesticide aqueous emulsion, which comprises: a tank body; the stirring assembly comprises a stirring rotating shaft rotatably arranged at the center of the tank body and a stirring blade connected with the stirring rotating shaft; the shearing assembly comprises a shearing rotating shaft, a shearing support, a shearing blade and a flow guiding cavity, wherein the shearing rotating shaft is arranged in the tank body and is obliquely and downwards directed to the stirring rotating shaft, the shearing support is arranged around the shearing rotating shaft, the shearing blade is installed at the bottom of the shearing rotating shaft, the flow guiding cavity is fixedly connected with the shearing support and is vertically communicated with the shearing support, and a sealed through hole is further formed in the side wall of the flow guiding cavity so as to form an emulsifying shearing net area for enclosing the shearing blade. Compared with the prior art, the utility model can realize uniform, stable, efficient and high-quality shearing emulsification of materials, and solves the problems of long oil-water emulsification time, low efficiency, uneven emulsification, wide particle size distribution and different sizes of traditional process equipment.

Description

Efficient emulsifying device for pesticide aqueous emulsion production

Technical Field

The utility model belongs to the technical field of emulsification equipment, and relates to a high-efficiency emulsification device for producing pesticide emulsion in water.

Background

The pesticide aqueous emulsion is a common pesticide formulation, is a water-insoluble solution obtained by dissolving a water-insoluble liquid bulk drug or a solid bulk drug in an organic solvent, and is dispersed in water to form an environment-friendly pesticide preparation, the appearance of the pesticide aqueous emulsion is an opaque white emulsion, and the pesticide aqueous emulsion is an oil-in-water (O/W) emulsion. Compared with emulsifiable concentrates, the emulsifiable concentrates contain no or a small amount of toxic and flammable organic solvents, so that the environmental pollution is reduced, the safety to production, storage and transportation and users is improved, and the cost is reduced. However, the traditional process equipment has the problems of long oil-water emulsification time, low efficiency, uneven emulsification, wide particle size distribution and different sizes.

The utility model discloses a high shear emulsifying machine of emulsion in water production as disclosed in chinese patent CN211706522U, it includes the base, the lower extreme fixedly connected with movable pulley that the symmetry set up of base, base right side upper end fixedly connected with hydraulic cylinder, hydraulic cylinder upper end fixedly connected with electric box, electric box right side lower extreme fixedly connected with motor, motor upper end motor shaft extends toward the electric box, left end rotation connection has the axis of rotation in the electric box, the axis of rotation lower extreme extends toward the electric box lower extreme, axis of rotation and quick-witted case front end fixedly connected with second conveyer belt, quick-witted case right side upper end fixedly connected with hydraulic cylinder. The patent improves the stability of the emulsification work and the like, but there is still a need for improvement in the emulsification effect and the emulsification efficiency.

Disclosure of Invention

The utility model aims to provide a high-efficiency emulsifying device for the production of pesticide aqueous emulsion, so as to realize uniform, stable, high-efficiency, high-quality shearing and emulsifying of materials and the like.

The aim of the utility model can be achieved by the following technical scheme:

an efficient emulsifying device for pesticide aqueous emulsion production, comprising:

a tank body;

the stirring assembly comprises a stirring rotating shaft rotatably arranged at the center of the tank body and a stirring blade connected with the stirring rotating shaft;

the shearing assembly comprises a shearing rotating shaft, a shearing support, a shearing blade and a flow guiding cavity, wherein the shearing rotating shaft is arranged in the tank body and is obliquely and downwards directed to the stirring rotating shaft, the shearing support is arranged around the shearing rotating shaft, the shearing blade is installed at the bottom of the shearing rotating shaft, the flow guiding cavity is fixedly connected with the shearing support and is vertically communicated with the shearing support, and a sealed through hole is further formed in the side wall of the flow guiding cavity so as to form an emulsifying shearing net area for enclosing the shearing blade.

Further, the stirring blade is of an L-shaped structure connected with the bottom of the stirring rotating shaft, and a plurality of stirring blades are arranged at equal intervals around the stirring rotating shaft.

Further, the shearing rotating shaft stretches into the area between the stirring blade and the stirring rotating shaft.

Further, the included angle between the shearing rotating shaft and the stirring rotating shaft is 10-25 degrees.

Further, the top of the tank body is provided with a stirring motor, and the stirring motor is connected with the stirring rotating shaft through a coupler.

Further, a shearing motor is further arranged at the top of the tank body, and the shearing motor is further connected with the shearing rotating shaft.

Further, the shearing support is fixedly connected with the top of the tank body.

Furthermore, the top of the tank body is also provided with a feed inlet.

Further, a supporting seat is further arranged at the bottom of the tank body.

Further, the clearance between the shearing blade and the emulsifying shearing net area is 1-2mm.

Compared with the prior art, the utility model has the following advantages:

(1) The shearing and dispersing machine has unique flow guiding cavity to form vertical circulation of the material inside the tank, and the powder floating on the liquid level is sucked to below the liquid level to wet and disperse the powder fast.

(2) In the pre-dispersion stage, the particle size can be in the range of 70-150 microns for a 3-5m3 mixing vessel for about 45 minutes.

(3) The mixing stirrer makes the liquid material in the kettle form horizontal circulation and cooperate with the shearing and dispersing machine to form macroscopic and microscopic mixing cooperation.

(4) The perfect matching of the whole system can realize narrow distribution of particle size and uniform dispersion of powder, reduce blocking faults of the sand mill and greatly improve the whole production efficiency.

(5) The narrow working cavity (flow guide cavity) can highly concentrate the energy density, the material is sheared by the maximum probability when passing through the working cavity, the particle size distribution range is narrowed, the uniformity and the stability are higher, and the quality difference between batches is eliminated.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a portion of a shear assembly;

the figure indicates:

the device comprises a 1-tank body, a 2-stirring rotating shaft, a 3-stirring blade, a 4-shearing rotating shaft, a 5-shearing support, a 6-shearing blade, a 7-diversion cavity, an 8-emulsifying shearing net area, a 9-supporting seat, a 10-feeding port, an 11-stirring motor and a 12-shearing motor.

Detailed Description

The utility model will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present utility model, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present utility model is not limited to the following examples.

In the following embodiments or examples, unless otherwise specified, functional components or structures are indicated as conventional components or structures employed in the art to achieve the corresponding functions.

In order to realize uniform, stable, efficient and high-quality shearing emulsification and the like of materials, the utility model provides an efficient emulsifying device for producing pesticide aqueous emulsion, which can be seen in fig. 1 and 2 and comprises:

a tank body;

In some specific embodiments, referring to fig. 1, the stirring paddles have an L-shaped structure connected to the bottom of the stirring shaft, and are disposed at equal intervals around the stirring shaft.

In some embodiments, referring again to fig. 1, the shear shaft extends into the region between the stirring blade and the stirring shaft.

In some embodiments, the angle between the shear axis and the agitation axis is 10-25 °.

In some specific embodiments, referring to fig. 1, etc., a stirring motor is disposed at the top of the tank, and the stirring motor is further connected to the stirring shaft through a coupling.

In some specific embodiments, referring to fig. 1, a shearing motor is further disposed at the top of the tank, and the shearing motor is further connected to the shearing rotating shaft.

In some specific embodiments, referring again to fig. 1, the shear support is fixedly connected to the top of the tank.

In some specific embodiments, the top of the tank body is further provided with a feed inlet.

In some specific embodiments, a support seat is further provided at the bottom of the tank.

In some embodiments, the gap between the shearing blade and the emulsified shearing mesh zone is 1-2mm.

The above embodiments may be implemented singly or in any combination of two or more.

The above embodiments are described in more detail below in connection with specific examples.

Example 1:

in order to achieve uniform, stable, efficient and high-quality shearing emulsification of materials, the embodiment provides an efficient emulsifying device for pesticide emulsion in water production, which can be seen in fig. 1 and 2, and comprises:

a tank body;

Referring to fig. 1, the stirring blades are in an L-shaped structure connected to the bottom of the stirring shaft, and are disposed at equal intervals around the stirring shaft.

Referring to fig. 1 again, the shearing shaft extends into the region between the stirring blade and the stirring shaft. The included angle between the shearing rotating shaft and the stirring rotating shaft is 10-25 degrees.

Referring to fig. 1 again, a stirring motor is arranged at the top of the tank body, and the stirring motor is connected with the stirring rotating shaft through a coupling.

Referring to fig. 1, a shearing motor is further arranged at the top of the tank body, and the shearing motor is further connected with the shearing rotating shaft.

Referring to fig. 1 again, the shearing support is fixedly connected with the top of the tank body. The top of the tank body is also provided with a feed inlet. The bottom of the tank body is also provided with a supporting seat. The clearance between the shearing blade and the emulsifying shearing net area is 1-2mm.

The working process of this embodiment is specifically as follows:

the stirring rotating shaft is driven by the stirring motor to rotate so that the stirring paddles rotate, thus liquid materials in the kettle form horizontal circulation, and meanwhile, the shearing assembly is driven by the shearing motor, the solution passes through the shearing force generated by relatively high-speed rotation between the shearing paddles and the emulsifying shearing net, and the materials are subjected to comprehensive effects of strong mechanical and hydraulic shearing, centrifugal extrusion, liquid layer friction, turbulent flow and the like in a narrow gap between the stator and the rotor due to the strong tangential speed generated by high-speed rotation of the rotor and the strong kinetic energy caused by high-frequency mechanical effect, so that the insoluble materials are uniformly and finely dispersed and emulsified instantly under the combined action of a corresponding maturation process and a proper amount of additives, so that the water emulsion is uniformly distributed, and macroscopic stirring and microscopic shearing are matched, so that macroscopic and microscopic mixed matching is formed.

The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.

Claims

1. An efficient emulsifying device for producing pesticide aqueous emulsion, which is characterized by comprising:

a tank body;

2. The efficient emulsifying device for pesticide emulsion in water production according to claim 1, wherein the stirring blades are of an L-shaped structure connected with the bottom of the stirring rotating shaft, and a plurality of stirring blades are arranged at equal intervals around the stirring rotating shaft.

3. An efficient emulsifying device for the production of aqueous agricultural emulsions as set forth in claim 1 wherein the shear shaft extends into the region between the stirring blade and the stirring shaft.

4. The efficient emulsifying device for pesticide emulsion in water production according to claim 1, wherein an included angle between the shearing rotating shaft and the stirring rotating shaft is 10-25 degrees.

5. The efficient emulsifying device for pesticide emulsion in water production according to claim 1, wherein a stirring motor is arranged at the top of the tank body and is further connected with the stirring rotating shaft through a coupling.

6. The efficient emulsifying device for pesticide emulsion in water production according to claim 1, wherein a shearing motor is further arranged at the top of the tank body and is further connected with the shearing rotating shaft.

7. The efficient emulsifying device for pesticide emulsion in water production according to claim 1, wherein the shearing support is fixedly connected with the top of the tank body.

8. The efficient emulsifying device for pesticide emulsion in water production according to claim 1, wherein a feeding port is further formed in the top of the tank body.

9. The efficient emulsifying device for pesticide emulsion in water production of claim 1, wherein a supporting seat is further arranged at the bottom of the tank body.

10. An efficient emulsifying device for the production of aqueous emulsions of pesticides according to claim 1 wherein the gap between the shearing blade and the region of the emulsifying shearing mesh is 1-2mm.