High-solid-state special material granulation process device

Abstract

The utility model discloses a high-solid-state special material granulation process device, and relates to the technical field of special initiating explosive device material granulation equipment. The granulation process device comprises a stirring device and an air drying device, a screen is arranged between the stirring device and the air drying device; the stirring device is used for stirring the contained materials so that the materials can enter the air drying device through the screen, gas is input into the air drying device, the materials falling through the screen are air-dried, liquid in the liquid-solid mixed materials is evaporated, and the performance stability and long storage performance of the materials are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of special pyrotechnic material granulation equipment, in particular to a high-solid-state special material granulation process device. Background Art

[0002] High solid special materials (special pyrotechnic materials) have great advantages in combustion performance, atomization performance, use performance, safety performance, processability and economy. They are mainly used for the research of solid material preparation process containing nanomaterials; the main process of preparing high solid special materials (solid content greater than 50%) is: accurate weighing and ultrasonic dispersion, coating, drying treatment of materials, kneading with other micron-level powders, impregnated single products, and liquid components to make the materials evenly mixed, and the mixed materials are extruded and granulated, and then screened and processed.

[0003] The granulation process of high-solid special materials (special pyrotechnic materials) is carried out in combination with the granulation process of liquid-solid mixed materials (air explosives). Liquid-solid mixed materials have a certain fluidity and tend to be thin during use, which affects the stability of material performance and has relatively poor long-term storage. Therefore, in view of the defects of liquid-solid mixed material granulation, a high-solid special material granulation process device is urgently needed under the premise of ensuring material performance. Utility Model Content

[0004] In order to solve the existing technical problems, the utility model provides a high-solid special material granulation process device.

[0005] The granulation process device comprises: a stirring device and an air drying device;

[0006] A screen is provided between the stirring device and the air-drying device;

[0007] The stirring device is used to stir the contained material so that it passes through the screen and enters the air-drying device. Gas is input into the air-drying device to air-dry the material falling through the screen.

[0008] Furthermore, the stirring device comprises:

[0009] Mixing bin;

[0010] A driving device connected to the top of the mixing bin;

[0011] The scraper is located in the mixing chamber and connected to the output end of the driving device.

[0012] Furthermore, the air-drying device comprises:

[0013] An air drying bin is connected to the bottom of the stirring bin, and the stirring bin and the air drying bin are in communication, and the screen is connected between the stirring bin and the air drying bin;

[0014] The side wall of the air-drying bin is connected with an air inlet.

[0015] Furthermore, the stirring chamber is a hemispherical structure;

[0016] The air-drying bin is a funnel-shaped structure, and the large end of the air-drying bin is connected to the plane end of the stirring bin.

[0017] Furthermore, a side wall of the mixing bin is connected to a feeding hopper.

[0018] Furthermore, a heat storage layer is provided on the side walls of the air-drying bin and the stirring bin.

[0019] Furthermore, the temperature storage layer is a cavity arranged inside the side walls of the air-drying bin and the stirring bin, and the cavity is used to be filled with hot water.

[0020] Furthermore, the cavity of the air-drying bin is connected to a first interface, and the cavity of the stirring bin is connected to a second interface;

[0021] The cavity of the air-drying bin and the cavity of the stirring bin are connected through a water return pipe.

[0022] Furthermore, the granulation process device also includes: a screening device, located directly below the air-drying device, for screening the material air-dried by the air-drying device.

[0023] Furthermore, the granulation process device also includes: a collecting load vehicle, which is located directly below the screening device.

[0024] The beneficial effect of the technical solution provided by the utility model is as follows: a stirring device and an air-drying device are provided in the utility model, the stirring device is located above the air-drying device, the stirring device and the air-drying device are connected by a screen, the stirring device is used to contain liquid-solid mixed materials and stir the liquid-solid mixed materials, during the stirring process, the liquid-solid mixed materials in the stirring device slowly slide down through the screen into the air-drying device, hot air can be introduced into the air-drying device to dry the falling materials, so that the liquid in the liquid-solid mixed materials evaporates, thereby improving the material performance stability and long storage property. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a structural schematic diagram of a high-solid-state special material granulation process device provided by the utility model;

[0026] Figure numerals: 1-screen; 2-mixing chamber; 3-driving device; 4-scraper; 5-air drying chamber; 6-air inlet; 7-feeding hopper; 8-cavity; 9-first interface; 10-second interface; 11-return pipe; 12-screening device; 13-collecting load vehicle; 14-bracket. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0028] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0029] It should be noted that in this embodiment, the directions or positional relationships indicated by "bottom", "top", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0030] It should also be noted that, in this embodiment, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] See also Figure 1 A high-solid special material granulation process device includes: a bracket 14, a stirring device and an air-drying device; the bracket 14 includes a top plate and four support rods connected to the bottom of the top plate, the stirring device and the air-drying device are both installed between the four support rods, and the stirring device is located above the air-drying device, the stirring device and the air-drying device are connected, and a screen 1 is connected between the stirring device and the air-drying device, the stirring device is used to contain liquid-solid mixed materials and stir the liquid-solid mixed materials, during the stirring process, the liquid-solid mixed materials in the stirring device slowly slide down through the screen into the air-drying device, hot air can be introduced into the air-drying device to dry the falling materials, so that the liquid in the liquid-solid mixed materials evaporates, improves the material performance stability, and improves the long storage performance.

[0032] Furthermore, the stirring device includes: a stirring chamber 2, which is in the shape of a hemispherical structure, a driving device 3 is connected to the top plate of the bracket 14, the driving device 3 can be a motor, and the output end of the driving device 3 is connected to a scraper 4, and the scraper 4 is located in the stirring chamber 2; a feeding hopper 7 is connected to the top of the stirring chamber 2.

[0033] The air-drying device includes: an air-drying bin 5, which is a funnel-shaped structure. The air-drying bin 5 is located at the bottom of the mixing bin 2. The large end of the air-drying bin 5 is connected to the plane end of the mixing bin 2, and the mixing bin 2 and the air-drying bin 5 are connected. The screen 1 is connected between the mixing bin 2 and the air-drying bin 5. The side wall of the air-drying bin 5 is connected with an air-air inlet 6, and the air-air inlet 6 can be located at the large end of the air-drying bin 5.

[0034] The liquid-solid mixture is added into the stirring bin 2 through the feeding hopper 7. The liquid-solid mixture is in a semi-dry state (can be kneaded into a ball). After the liquid-solid mixture enters the stirring bin 2, the scraper 4 contacts the screen 1, and the driving device 3 is started to drive the scraper 4 to rotate, so as to stir the liquid-solid mixture in the stirring bin 2. During the stirring process, the liquid-solid mixture passes through the screen 1 and falls into the air-drying bin 5. Gas is transported into the air-drying bin 5 through the air-wind inlet 6, and the falling liquid-solid mixture is dried by the gas.

[0035] Furthermore, a heat storage layer is provided on the side walls of the air-drying bin 5 and the mixing bin 2. The heat storage layer is a cavity 8 arranged inside the side walls of the air-drying bin 5 and the mixing bin 2. The cavity 8 of the air-drying bin 5 is connected to a first interface 9, and the cavity 8 of the mixing bin 2 is connected to a second interface 10. The cavity 8 of the air-drying bin 5 and the cavity 8 of the mixing bin 2 are connected through a return pipe 11. Hot water is introduced through the first interface 9 / the second interface 10. The hot water circulates in the cavity 8 of the air-drying bin 5 and the mixing bin 2, and then flows out through the second interface 10 / the first interface 9, and circulates continuously in sequence to keep the air-drying bin 5 and the mixing bin 2 warm and accelerate the drying speed of the liquid-solid mixed material.

[0036] Furthermore, the granulation process device also includes: a screening device 12, a discharge port is provided at the bottom of the air-drying bin 5, the screening device 12 is connected directly below the discharge port of the air-drying bin 5, the screening device 12 can be a screen, and the screening device 12 with different apertures can be replaced according to different particle size requirements to screen the air-dried material. In addition, an air-started vibrator can be provided on the screening device 12 to achieve screening of the air-dried material by vibration.

[0037] Furthermore, the granulation process device also includes: a collecting load vehicle 13, which is placed on the collecting cabin and is located directly below the screening device 12. The collecting load vehicle 13 facilitates the transportation of the formed particles, reduces the fatigue of the personnel caused by multiple operations, and can also more safely and effectively realize the collection of the finished products.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-solid-state special material granulation process device, characterized in that: The granulation process device comprises: a stirring device and an air drying device; A screen (1) is provided between the stirring device and the air-drying device; The stirring device is used to stir the contained material so that it passes through the screen (1) and enters the air drying device. Gas is input into the air drying device to air dry the material falling through the screen (1); The stirring device comprises: Mixing chamber (2); A driving device (3) connected to the top of the stirring chamber (2); A scraper (4) is located in the mixing chamber (2) and is connected to the output end of the driving device (3); The air drying device comprises: An air drying bin (5) is connected to the bottom of the stirring bin (2), and the stirring bin (2) and the air drying bin (5) are in communication, and the screen (1) is connected between the stirring bin (2) and the air drying bin (5); The side wall of the air-drying bin (5) is connected to an air inlet (6).

2. The high-solid-state special material granulation process device according to claim 1 is characterized in that: The stirring chamber (2) is a hemispherical structure; The air-drying bin (5) is a funnel-shaped structure, and the large end of the air-drying bin (5) is connected to the flat end of the stirring bin (2).

3. The high-solid-state special material granulation process device according to claim 1 is characterized in that: The side wall of the mixing bin (2) is connected to a feeding hopper (7).

4. The high-solid-state special material granulation process device according to claim 3 is characterized in that: The side walls of the air-drying bin (5) and the stirring bin (2) are both provided with a heat storage layer.

5. The high-solid-state special material granulation process device according to claim 4 is characterized in that: The temperature storage layer is a cavity (8) arranged inside the side walls of the air-drying bin (5) and the stirring bin (2), and the cavity (8) is used to be filled with hot water.

6. The high-solid-state special material granulation process device according to claim 5 is characterized in that: The cavity (8) of the air-drying chamber (5) is connected to a first interface (9), and the cavity (8) of the stirring chamber (2) is connected to a second interface (10); The cavity (8) of the air-drying bin (5) and the cavity (8) of the stirring bin (2) are connected via a water return pipe (11).

7. The high-solid-state special material granulation process device according to claim 1 is characterized in that: The granulation process device further comprises: a screening device (12), which is located directly below the air-drying device and is used for screening the material air-dried by the air-drying device.

8. The high-solid-state special material granulation process device according to claim 7 is characterized in that: The granulation process device further comprises: a collecting load vehicle (13) located directly below the screening device (12).

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