Dimethomorph active compound production mixing device

Abstract

The utility model belongs to the technical field of chemical production, and discloses a dimethomorph active compound production mixing device which comprises a vibrating screen which is respectively connected to a powder temporary storage bin and a particle temporary storage bin. The powder temporary storage bin is connected to the material temporary storage bin, and the particle temporary storage bin is connected to the hammer mill; a discharge hole of the hammer mill is connected to a material temporary storage bin; a first dust filter is arranged at the top of the material temporary storage bin; an air outlet is formed in the upper part of the first dust filter; the bottom of the material temporary storage bin is connected to an airflow mixer, and a second dust filter is arranged at the top of the airflow mixer; the lower part of the airflow mixer is connected with a spiral conveyor; an air inlet valve of the airflow mixer is communicated with an air storage tank; and the hammer mill, the first dust filter and the second dust filter are all communicated to a vacuum pump station. According to the utility model, large particles are automatically crushed, the drying and re-screening processes are reduced, the production efficiency is improved, and the labor intensity is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of chemical production, and particularly relates to a mixing device for the production of dimethomorph technical. Background Art

[0002] Dimethomorph is a broad-spectrum fungicide of the morpholine type, which is a specific agent for controlling oomycete fungal diseases and has good control effects on low-level fungal diseases such as downy mildew, late blight, Phytophthora blight, Phytophthora rot, Pythium rot, and black shank.

[0003] In the production process of dimethomorph technical, a screening device is required to separate the dried large particle dry products and powder dry products. The large particle materials are re-fed into the dryer for drying. The existing device bags the large particle dry products and manually feeds them into the dryer. The large particle materials are crushed by the rollers in the dryer and then re-fed into the screening device for screening. This process involves a large amount of manual operations, resulting in low production efficiency and affecting the uniformity of the product. Summary of the Invention

[0004] The technical problem to be solved by the utility model is to provide a mixing device for the production of dimethomorph technical, which overcomes the defects of the existing technology, can automatically crush large particle technical, reduces the drying and re-screening processes, improves production efficiency, reduces labor intensity, and improves the uniformity of dimethomorph technical.

[0005] To solve the above technical problem, the technical solution of the utility model is as follows:

[0006] A mixing device for the production of dimethomorph technical includes a vibrating screen, which is provided with a particle outlet and a powder outlet. The powder outlet and the particle outlet are respectively connected to a powder buffer bin and a particle buffer bin through pipelines; nitrogen gas filling valves and material outlets are provided at the bottoms of the powder buffer bin and the particle buffer bin; the material outlet of the powder buffer bin is connected to a material temporary storage bin through a pipeline, and the material outlet of the particle buffer bin is connected to a hammer mill through a pipeline; an air flow outlet is provided at the top of the hammer mill, and a discharge port is provided at the bottom. The discharge port of the hammer mill is connected to the material temporary storage bin through a pipeline; a first dust filter is provided at the top of the material temporary storage bin, and an air outlet is provided at the upper part of the first dust filter; the bottom of the material temporary storage bin is connected to an air flow mixer through a pipeline, a second dust filter is provided at the top of the air flow mixer, and an air outlet is provided at the upper part of the second dust filter; a hollow cone is provided at the lower part of the air flow mixer, an air inlet valve and an outlet butterfly valve are provided at the bottom of the cone, and the outlet butterfly valve is connected to a screw conveyor; the air inlet valve of the air flow mixer is connected to a gas storage tank (the gas storage tank supplies high-pressure gas to the air flow mixer) through a pipeline; the air flow outlet of the hammer mill, the air outlet of the first dust filter, and the air outlet of the second dust filter are all connected to a vacuum pump station through pipelines. The vacuum pump station provides the conveying power for the whole system.

[0007] Preferably, the material inlet of the air flow mixer is arranged at the upper part, a weighing module is arranged at the lower part of the hanging ear of the main body of the air flow mixer, and a pneumatic arch breaking device is arranged on the side surface of the cone.

[0008] Preferably, lock air feeding valves are arranged at the lower parts of the powder buffer bin, the hammer mill and the air flow mixer, and are connected to a vacuum pipeline, and a nitrogen gas supplementing valve is arranged on the side surface of the vacuum pipeline.

[0009] Preferably, the screw conveyor is communicated with subsequent processing equipment.

[0010] Preferably, the nitrogen gas supplementing valve is provided with a nitrogen gas inlet, the nitrogen gas inlet is connected with a nitrogen gas input pipe, the nitrogen gas input pipe is communicated with an external nitrogen gas supply device; corresponding valves are arranged on the nitrogen gas input pipe.

[0011] Due to the adoption of the above technical solutions, the beneficial effects of the present utility model are as follows:

[0012] The material of the present utility model is screened by a vibrating screen, wherein the powder is first conveyed to a powder buffer bin and then to a material temporary storage bin; the granular material is first conveyed to a hammer mill, and after being pulverized, it is also conveyed to the material temporary storage bin, and then the powder is conveyed into the air flow mixer; because an air storage tank is connected to the air flow mixer, high-pressure gas is sprayed during material mixing, so that the material in the central part of the air flow mixer is lifted upward, and the material located in the peripheral part of the air flow mixer moves downward, and the material circulates, turns and rolls in this way, realizing the uniform mixing of the material and achieving the purpose of improving the uniformity of the material.

[0013] In summary, the present utility model can automatically pulverize large-particle technical drugs, reduce the drying and re-screening processes, improve production efficiency, reduce labor intensity, and improve the uniformity of dimethomorph technical drugs. Description of the Drawings

[0014] Figure 1 is a schematic structural diagram of an embodiment of the present utility model;

[0015] In the figure, 1, vibrating screen; 2, powder buffer bin; 3, granular buffer bin; 4, material temporary storage bin; 5, hammer mill; 6, first dust filter; 7, air flow mixer; 8, second dust filter; 9, intake valve; 10, outlet butterfly valve; 11, screw conveyor; 12, air storage tank; 13, vacuum pump station. Detailed Embodiments

[0016] The present utility model will be further described below with reference to the drawings and embodiments.

[0017] Embodiment 1:

[0018] As Figure 1As shown in the figure, a mixing device for the production of dimethomorph technical includes a vibrating screen 1. The vibrating screen 1 is provided with a particle outlet (not marked) and a powder outlet (not marked). The powder outlet and the particle outlet are respectively connected to a powder buffer bin 2 and a particle buffer bin 3 through pipelines; nitrogen gas makeup valves (not marked) and material outlets (not marked) are provided at the bottoms of the powder buffer bin 2 and the particle buffer bin 3; the material outlet of the powder buffer bin 2 is connected to a material temporary storage bin 4 through a pipeline, and the material outlet of the particle buffer bin 3 is connected to a hammer mill 5 through a pipeline; an air flow outlet (not marked) is provided at the top of the hammer mill 5, and a discharge outlet (not marked) is provided at the bottom. The discharge outlet of the hammer mill 5 is connected to the material temporary storage bin 4 through a pipeline; a first dust filter 6 is provided at the top of the material temporary storage bin 4, and an air outlet (not marked) is provided at the upper part of the first dust filter 6; the bottom of the material temporary storage bin 4 is connected to an air flow mixer 7 through a pipeline. A second dust filter 8 is provided at the top of the air flow mixer 7, and an air outlet (not marked) is provided at the upper part of the second dust filter 8; a hollow cone is provided at the lower part of the air flow mixer 7. An intake valve 9 and an outlet butterfly valve 10 are provided at the bottom of the cone. The outlet butterfly valve 10 is connected to a screw conveyor 11. The intake valve 9 of the air flow mixer 7 is connected to a gas storage tank 12 through a pipeline (the powder in the mixer is blown and mixed by the high-pressure gas in the tank); the air flow outlets of the hammer mill 5, the air outlets of the first dust filter 6 and the air outlets of the second dust filter 8 are all connected to a vacuum pump station 13 through pipelines.

[0019] A pressure relief and makeup port (not marked) is also provided on the pipelines connecting the vacuum pump station 13 to the hammer mill 5, the first dust filter 6 and the second dust filter 8. When the pressure in the pipeline is high or the negative pressure is too large, the pressure is relieved and the pipeline is made up with gas through this port.

[0020] During actual production: The crude dimethomorph technical obtained from the previous process is first transported to the vibrating screen 1 for screening. The powder therein is transported to the powder buffer bin 2 and then to the material temporary storage bin 4; the granular material is transported to the hammer mill 5 through the particle buffer bin 3 and is also transported to the material temporary storage bin 4 after being crushed; then the powder collected in the material temporary storage bin 4 is transported into the air flow mixer 7 together; because the gas storage tank 12 is connected to the air flow mixer 7, high-pressure gas is sprayed in during the material mixing process, so that the material in the central part of the air flow mixer 7 is lifted upward, and the material in the peripheral part of the air flow mixer 7 moves downward. The material circulates, flips and rolls in this way to achieve uniform mixing of the material; the mixed material sinks to the bottom of the cone of the air flow mixer 7 and finally enters the screw conveyor 11 through the outlet butterfly valve 10 and is transported to the equipment of the subsequent process for treatment.

[0021] It should be understood that these embodiments are only used to illustrate the present utility model and not to limit the scope of the present utility model. In addition, it should be understood that after reading the content taught by the present utility model, those skilled in the art can make various changes or modifications to the present utility model, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

Claims

1. A mixing device for producing dimethomorph technical, characterized in that: The invention comprises a vibrating screen, wherein the vibrating screen is provided with a particle outlet and a powder outlet, and the powder outlet and the particle outlet are respectively connected to a powder buffer bin and a particle buffer bin through pipelines; the bottoms of the powder buffer bin and the particle buffer bin are both provided with a nitrogen air supply valve and a material outlet; the material outlet of the powder buffer bin is connected to a material temporary storage bin through a pipeline, and the material outlet of the particle buffer bin is connected to a hammer mill through a pipeline; the hammer mill is provided with an air flow outlet at the top and a material discharge port at the bottom, and the material discharge port of the hammer mill is connected to the material temporary storage bin through a pipeline; the top of the material temporary storage bin is provided with a first powder Dust filter, the first dust filter is provided with an air outlet on the top; the bottom of the material temporary storage bin is connected to the air flow mixer through a pipeline, the top of the air flow mixer is provided with a second dust filter, and the upper part of the second dust filter is provided with an air outlet; the lower part of the air flow mixer is provided with a hollow cone, the bottom of the cone is provided with an air inlet valve and an outlet butterfly valve, the outlet butterfly valve is connected to a screw conveyor, and the air inlet valve of the air flow mixer is connected to the air storage tank through a pipeline; the air flow outlet of the hammer mill, the air outlet of the first dust filter and the air outlet of the second dust filter are all connected to the vacuum pump station through a pipeline.

2. The dimethomorph technical production mixing device according to claim 1, characterized in that: The material inlet of the airflow mixer is arranged at the upper part, the lower part of the body hanging ear of the airflow mixer is provided with a weighing module, and the side of the cone is provided with a pneumatic arch breaking device.

3. The dimethomorph technical production mixing device according to claim 1, characterized in that: The powder buffer bin, the hammer mill and the air flow mixer are all provided with air lock feeding valves at their lower parts, which are connected with vacuum pipelines, and a nitrogen air supply valve is provided on the side of the vacuum pipelines.

4. The mixing device for producing dimethomorph technical according to claim 1, characterized in that: The screw conveyor is connected to subsequent processing equipment.

5. The mixing device for producing dimethomorph technical according to claim 1, characterized in that: The nitrogen replenishing valve is provided with a nitrogen inlet, the nitrogen inlet is connected to a nitrogen input pipe, and the nitrogen input pipe is connected to an external nitrogen supply device.

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