CN216987297U

CN216987297U - Dry powder dust suppressant preparation stirring device

Info

Publication number: CN216987297U
Application number: CN202220811195.8U
Authority: CN
Inventors: 方宏萍; 杨清清; 袁希; 刘浩; 彭红丹
Original assignee: Guizhou Institute of Technology
Current assignee: Guizhou Institute of Technology
Priority date: 2022-04-10
Filing date: 2022-04-10
Publication date: 2022-07-19
Anticipated expiration: 2032-04-10

Abstract

The utility model discloses a stirring device for preparing a dry powder dust suppressant, which comprises a mixing container, a stirrer and a feeding device, wherein the mixing container is connected with the stirrer; the mixing container consists of an inner container (5) fixed in a shell (7) and a cover plate (4), wherein a motor (17) and an exhaust pipe are fixed on the cover plate, an electric heating coil pipe (6) is arranged on the outer surface of the inner container (5), a discharge pipe (9) is fixed at the bottom of the inner container (5), and a first electric control valve (8) is arranged on the discharge pipe; the stirrer consists of a stirring shaft connected with the motor and a stirring blade fixed on the stirring shaft; the feeding device is composed of a hopper (1) fixed on the cover plate (4) and a water feeding pipe (13) extending into the inner container (5), the hopper (1) is connected with a second electric control valve (3) and a second flowmeter (2), and a third electric control valve (15) and a third flowmeter (14) are fixed on the water feeding pipe (13). The stirring device for preparing the dry powder dust suppressant has the advantages of accurate material preparation, uniform stirring and high efficiency.

Description

Dry powder dust suppressant preparation stirring device

Technical Field

The utility model relates to a stirring device, in particular to a stirring device for preparing a dry powder dust suppressant, and belongs to environment-friendly equipment.

Background

As is well known, a coal yard has the characteristics of large pollution area, multiple dust raising source points, frequent point position change of loading and unloading and the like. During the open-air stacking period of coal, the coal dust and coal particles can form dust under the action of wind power, so that resource waste and environmental pollution are caused. In order to suppress the dust emission, a dry powder dust suppressant is usually used to treat the coal yard. The dry powder dust suppressant is a multifunctional high-molecular polymer, and the solution of the dry powder dust suppressant has the functions of moisturizing, bonding, film forming, crusting and the like, so that the dry powder dust suppressant can effectively fix dust and form a protective film on the surface of a material, and can be widely used for various pollution sources such as coal storage and transportation, various mining areas, cement plants and the like.

The existing dry powder dust suppressant stirrer has the defects of insufficient dissolution of the dust suppressant, uneven stirring and mixing, difficulty in controlling the proportion of the dust suppressant to water and the like, so that the mixing effect is poor, the dust suppression effect is not ideal, and the preparation efficiency is low.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a dry powder dust suppressant preparation stirring device which can fully dissolve the dust suppressant, uniformly mix raw materials, accurately prepare the dust suppressant and has high efficiency.

In order to achieve the purpose, the utility model adopts the following technical scheme: the device comprises a mixing container, a stirrer and a feeding device; the mixing container consists of an inner container fixed in the shell and a cover plate for sealing the shell, wherein a motor and an exhaust pipe with a safety valve are fixed on the cover plate, an electric heating coil pipe is arranged on the outer surface of the inner container, a discharge pipe communicated with the inner container is fixed at the bottom of the inner container, and a first electric control valve is arranged on the discharge pipe; the stirrer consists of a stirring shaft which is connected with the motor and extends downwards into the inner container and a stirring blade fixed on the stirring shaft; the feeding device is composed of a hopper which is fixed on the cover plate and is communicated with the inner container and a water adding pipe which extends into the inner container, a discharge hole of the hopper is connected with a second electric control valve and a second flowmeter, and a third electric control valve and a third flowmeter are fixed on the water adding pipe.

Among the above-mentioned technical scheme, the paddle is by evenly distributed epaxial two at least be circular-arc puddler, be located puddler below and three blade complex of evenly distributed on the (mixing) shaft form, and each blade is by interior to outer downward sloping arrangement and be 45 contained angles with the (mixing) shaft.

In the technical scheme, the liner wall of the liner is of a wavy structure.

In the technical scheme, a heat-insulating material is filled between the shell and the inner container.

In the technical scheme, the shell is fixedly provided with the temperature sensor, and the temperature sensor penetrates through the shell and extends into the inner container.

Among the above-mentioned technical scheme, be fixed with the drier in the hopper and deposit the basket.

In the above technical scheme, the first electric control valve, the second flow meter, the third electric control valve, the third flow meter, the temperature sensor, the electric heating coil and the motor are respectively electrically connected with the controller.

Compared with the prior art, the utility model has the following advantages due to the adoption of the technical scheme:

1) the discharge port of the hopper and the water feeding pipe are respectively provided with a flowmeter and an electric control valve which are electrically connected with the controller, so that the mixing ratio of water and the dry powder dust suppressant can be accurately controlled through the controller, and the better using effect of the dust suppressant is ensured.

2) The heating coil is additionally arranged on the outer wall of the inner container to heat the solution, so that the dry powder dust suppressant is promoted to be rapidly dissolved, and the dust suppression effect is ensured. The inner container shell adopts a wavy structure, so that the heating area can be increased, the heating time is shortened, and the heating efficiency is improved.

3) The composite stirrer consisting of the arc-shaped stirring rod and the obliquely arranged blades can enable the solution to form a vortex, so that the stirring is sufficient, the materials are uniformly mixed, and no dead angle is left.

4) An exhaust pipe with a safety valve is arranged, so that the pressure balance in the mixing container can be kept; the temperature sensor is arranged in the inner container, so that the temperature of the solution can be accurately controlled, and the dust suppression using effect is good.

5) In the utility model, all the flowmeters, the electric control valves, the temperature sensors, the heating devices, the motors and the like are uniformly and centrally controlled by the controllers (PLC), so that the preparation efficiency of all the raw materials is improved, the labor intensity is reduced, and the proportion of all the raw materials can be accurately matched.

Drawings

Fig. 1 is a schematic structural view of the present invention.

In the figure: the device comprises a hopper 1, a second flowmeter 2, a second electric control valve 3, a cover plate 4, an inner container 5, an electric heating coil 6, a shell 7, a first electric control valve 8, a discharge pipe 9, a temperature sensor 10, blades 11, a stirring rod 12, a water adding pipe 13, a third flowmeter 14, a third electric control valve 15, a safety valve 16, a motor 17 and a storage basket 18.

Detailed Description

The utility model is further described with reference to the following figures and specific examples.

As shown in fig. 1: the utility model comprises a mixing container, a stirrer and a feeding device. The mixing container is composed of an inner container 5 fixed in a shell 7 and a cover plate 4 for sealing the shell 7. The cover plate 4 is fixed with a motor 17 and an exhaust pipe (not marked in the figure) which is communicated with the inner container 5 and is provided with a safety valve 16, the outer surface of the inner container 5 is fixed with an electric heating coil pipe 6, the bottom of the inner container 5 is fixed with a discharge pipe 9 communicated with the inner container, and the discharge pipe is provided with a first electric control valve 8. The stirrer is composed of a stirring shaft (not marked in the figure) which is connected with the motor and extends downwards into the inner container 5 and a stirring blade fixed on the stirring shaft. The feeding device consists of a hopper 1 fixed on the cover plate 4 and communicated with the inner container 5 and a water feeding pipe 13 extending into the inner container 5. The discharge port of the hopper 1 is connected with a second electric control valve 3 and a second flow meter 2, and a third electric control valve 15 and a third flow meter 14 are fixed on the water adding pipe 13.

In order to guarantee that the compounding is even, the paddle is by evenly distributed epaxial two at least be circular-arc puddler 12, be located puddler 12 below and three piece blade 11 complex of evenly distributed on the (mixing) shaft form, and each blade 11 is by interior and outer downward sloping arrange and be 45 contained angles with the (mixing) shaft.

In order to increase the heating area and shorten the heating time, the shell wall of the inner container 5 adopts a wave-shaped structure.

In order to avoid heat loss, a heat-insulating material (not shown in the figure) is filled between the outer shell 7 and the inner container 5.

In order to control the heating temperature, a temperature sensor 10 is fixed on the shell 7, and the temperature sensor penetrates through the shell 7 and extends into the inner container 5.

In order to prevent the dry dust suppressant from hardening due to moisture and affecting the charging, a storage basket 18 for storing a desiccant is fixed in the hopper 1.

In order to improve the preparation precision and the preparation efficiency and reduce the labor intensity, the first electric control valve 8, the second electric control valve 3, the second flow meter 2, the third electric control valve 15, the third flow meter 14, the temperature sensor 10, the electric heating coil 6 and the motor 17 are respectively electrically connected with a controller (not shown in the figure).

Claims

1. A stirring device for preparing a dry powder dust suppressant comprises a mixing container, a stirrer and a feeding device; the method is characterized in that: the mixing container is composed of an inner container (5) fixed in a shell (7) and a cover plate (4) for sealing the shell (7), a motor (17) and an exhaust pipe with a safety valve (16) are fixed on the cover plate, an electric heating coil pipe (6) is arranged on the outer surface of the inner container (5), a discharge pipe (9) communicated with the inner container (5) is fixed at the bottom of the inner container, and a first electric control valve (8) is arranged on the discharge pipe; the stirrer consists of a stirring shaft which is connected with the motor and extends downwards into the inner container (5) and a stirring blade fixed on the stirring shaft; the feeding device is composed of a hopper (1) fixed on the cover plate (4) and communicated with the inner container (5) and a water feeding pipe (13) extending into the inner container (5), a discharge hole of the hopper (1) is connected with a second electric control valve (3) and a second flowmeter (2), and a third electric control valve (15) and a third flowmeter (14) are fixed on the water feeding pipe (13).

2. The dry powder dust suppressant mixing and stirring device according to claim 1, wherein: the paddle is in by evenly distributed epaxial two at least be circular-arc puddler (12), be located puddler (12) below and evenly distributed three on the (mixing) shaft blade (11) complex forms, and each blade (11) is by interior and outer downward sloping arrange and be 45 contained angles with the (mixing) shaft.

3. The dry powder dust suppressant mixing and stirring device according to claim 1, wherein: the shell wall of the inner container (5) is of a wave-shaped structure.

4. The dry powder dust suppressant mixing and stirring device according to claim 1, wherein: and heat insulation materials are filled between the outer shell (7) and the inner container (5).

5. The dry powder dust suppressant mixing and stirring device according to claim 1, wherein: a temperature sensor (10) is fixed on the outer shell (7) and penetrates through the outer shell (7) to extend into the inner container (5).

6. The dry powder dust suppressant mixing and stirring device according to claim 1, wherein: a desiccant storage basket (18) is fixed in the hopper (1).

7. The dry powder dust suppressant preparation stirring device according to any one of claims 1 to 6, characterized in that: the first electric control valve (8), the second electric control valve (3), the second flowmeter (2), the third electric control valve (15), the third flowmeter (14), the temperature sensor (10), the electric heating coil (6) and the motor (17) are respectively electrically connected with the controller.