Solid sodium cyanide storage and transportation device

Abstract

The utility model discloses a solid sodium cyanide storage and transportation conveying device, which relates to the technical field of inorganic chemical industry and comprises a material box, a stirring frame is arranged at the lower end in the material box, oscillator supports are arranged on the left side and the right side of the front outer surface and the rear outer surface of the material box, and the lower end of the material box is communicated and connected with a discharging pipe. A discharging spiral is arranged in the discharging pipe in the left-right direction, a quantitative discharging pipe is arranged below the right side of the discharging pipe, a communicating pipe is arranged between the quantitative discharging pipe and the discharging pipe, a flexible connector is arranged in the middle of the communicating pipe, and an electric control valve is arranged on the side, close to the quantitative discharging pipe, of the communicating pipe. A quantitative spiral is arranged in the quantitative discharging pipe, and the spiral discharging pipe is additionally arranged at the bottom of the material box, so that the phenomena of feeding blockage and non-uniform feeding of the flash drying machine are solved, the uniformity and stability of flash feeding can be stably controlled, the production operation and the product quality are more stable, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of inorganic chemical industry, in particular to a solid sodium cyanide storage and transportation device. Background Art

[0002] Solid sodium cyanide is prepared by heating and evaporating 30% of liquid sodium cyanide solution, so that the sodium cyanide solution is concentrated to a supersaturated state and begins to crystallize. The crystals gradually grow as they descend in the crystallizer. When the sodium cyanide slurry is qualified, it enters the centrifuge in batches for solid-liquid separation. The obtained filter cake is discharged into the centrifuge discharge bin, and then enters the flash dryer by gravity for drying. After passing through the granulation system, the finished solid sodium cyanide is obtained. The filter cake discharged from the centrifuge has a certain viscosity. There is no stirring structure inside the existing centrifuge discharge bin, and the material in the centrifuge discharge bin generates material bridging and material blocking. There is no vibration device under the centrifuge discharge bin, and the material is fed by gravity. It is easy to get blocked during the material feeding process into the flash drying host, resulting in uneven feeding. The feed amount of the flash drying host cannot be measured, resulting in unstable moisture content of the material in the flash drying host, uneven drying, and thus affecting the stability of product quality. Utility Model Content

[0003] The utility model aims to provide a solid sodium cyanide storage and transportation device to solve the problem proposed in the above background technology that there is no stirring structure inside the lower bin of the existing centrifuge, the material generates material bridging and blocking in the lower bin of the centrifuge, there is no vibration device under the lower bin of the centrifuge, and the material is fed by gravity, which is easy to block the material during the process of the material entering the flash evaporation main machine, resulting in uneven feeding, the feed amount of the flash drying main machine cannot be calculated, the moisture content of the material in the flash drying main machine is unstable, the drying is uneven, and the stability of the product quality is affected.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a solid sodium cyanide storage and transportation device, comprising a material box, a stirring frame is provided at the lower end of the interior of the material box, oscillator brackets are provided on the left and right sides of the front and rear outer surfaces of the material box, the lower end of the material box is connected to a discharge pipe, a discharge spiral is provided in the left and right directions of the inside of the discharge pipe, a quantitative discharge pipe is provided at the lower right side of the discharge pipe, a connecting pipe is provided between the quantitative discharge pipe and the discharge pipe, a soft connection is provided in the middle position of the connecting pipe, an electric control valve is provided on the side of the connecting pipe close to the quantitative discharge pipe, and a quantitative spiral is provided inside the quantitative discharge pipe.

[0005] Preferably, a stirring shaft is provided through the lower inner end of the material box in the left and right directions, the stirring frame is set on the stirring shaft, a stirring motor is provided on one side of the material box, the stirring motor is connected to one side of the stirring shaft through a coupling, and the other side of the stirring shaft is rotatably connected to the material box through a bearing seat.

[0006] Preferably, a discharging motor is provided on one side of the discharging pipe, the discharging motor is connected to one side of the discharging screw via a coupling, and the other side of the discharging screw is rotatably connected to the discharging pipe via a bearing seat.

[0007] Preferably, a transmission box is provided at the right end of the quantitative discharging pipe, and the power output end of the transmission box is connected to the quantitative spiral through a coupling.

[0008] Preferably, feed openings are provided on both left and right sides of the upper wall of the material box, and a detection pipe opening is provided in the middle of the upper wall of the material box.

[0009] Compared with the prior art, the utility model has the following beneficial effects: the utility model solves the problem of material blockage in the lower bin of the centrifuge by arranging a stirring assembly inside the material box and adding an oscillator to the side wall, and solves the problem of material blockage and uneven feeding in the flash dryer by adding a spiral discharge pipe at the bottom of the material box, and can stably control the uniformity and stability of the flash feed. The material is dried in the flash dryer main unit and then passes through the granulation system to obtain the finished solid sodium cyanide. This utility model solution can make material transportation more uniform, production operation and product quality more stable, and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the main structure of the utility model.

[0011] In the figure: 1- material box, 2- stirring frame, 3- oscillator bracket, 4- discharge pipe, 5- discharge screw, 6- quantitative discharge pipe, 7- connecting pipe, 8- soft connection, 9- electric control valve, 10- quantitative screw, 11- stirring shaft, 12- stirring motor, 13- discharge motor, 14- transmission box, 15- feeding port, 16- detection pipe port. DETAILED DESCRIPTION

[0012] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0013] See also Figure 1The utility model provides a solid sodium cyanide storage and transportation device, including a material box 1, a stirring frame 2 is provided at the lower end of the interior of the material box 1, oscillator brackets 3 are provided on the left and right sides of the front and rear outer surfaces of the material box 1, the lower end of the material box 1 is connected to a discharge pipe 4, a discharge spiral 5 is provided in the left and right directions of the inside of the discharge pipe 4, a quantitative discharge pipe 6 is provided at the lower right side of the discharge pipe 4, a connecting pipe 7 is provided between the quantitative discharge pipe 6 and the discharge pipe 4, a soft connection 8 is provided in the middle position of the connecting pipe 7, an electric control valve 9 is provided on the connecting pipe 7 close to the quantitative discharge pipe 6, and a quantitative spiral 10 is provided inside the quantitative discharge pipe 6.

[0014] When in use, 30% of the liquid sodium cyanide solution is heated and evaporated to form a qualified sodium cyanide slurry, which is fed into a centrifuge in batches for solid-liquid separation. The obtained filter cake is fed into the interior of the material box 1, and a stirring frame 2 is arranged inside the material box 1 to turn and stir the material. An oscillator bracket 3 is arranged at the front and back of the material box 1, and an external oscillator is arranged on the material box 1 through the oscillator bracket 3, thereby driving the material box 1 to vibrate, thereby avoiding adhesion and blockage of the material inside the material box 1, and a discharge pipe 4 is arranged at the lower end of the material box 1, and a discharge pipe 4 is arranged inside the discharge pipe 4. The screw 5 drives the material to be discharged from the inside of the material box 1 to the outside through the discharge pipe 4 through the rotation of the discharge screw 5. A quantitative discharge pipe 6 is arranged below the discharge pipe 4 through a connecting pipe 7. A soft connection 8 is arranged on the connecting pipe 7 to prevent the vibration of the material box 1 from being transmitted to the quantitative discharge pipe 6. The material discharged from the discharge pipe 4 is input into the inside of the quantitative discharge pipe 6 through the connecting pipe 7. An electric control valve 9 is arranged on the connecting pipe 7. The discharge is controlled by the electric control valve 9. A quantitative screw 10 is arranged inside the quantitative discharge pipe 6 to control the amount of material discharged to the outside.

[0015] A stirring shaft 11 is provided through the lower inner end of the material box 1 in the left and right directions, and the stirring frame 2 is set on the stirring shaft 11. A stirring motor 12 is provided on one side of the material box 1. The stirring motor 12 is connected to one side of the stirring shaft 11 through a coupling, and the other side of the stirring shaft 11 is rotatably connected to the material box 1 through a bearing seat. The stirring shaft 11 is driven to rotate by the stirring motor 12, thereby driving the stirring frame 2 to rotate.

[0016] A discharging motor 13 is provided on one side of the discharging pipe 4, and the discharging motor 13 is connected to one side of the discharging screw 5 through a coupling. The other side of the discharging screw 5 is rotatably connected to the discharging pipe 4 through a bearing seat, and the discharging motor 13 drives the discharging screw 5 to rotate inside the discharging pipe 4.

[0017] A transmission box 14 is provided at the right end of the quantitative discharge pipe 6. The power output end of the transmission box 14 is connected to the quantitative screw 10 through a coupling. The external power source is transmitted to the quantitative screw 10 through the transmission box 14, driving the quantitative screw 10 to rotate.

[0018] The left and right sides of the upper wall of the material box 1 are provided with feeding ports 15, and the middle position of the upper wall of the material box 1 is provided with a detection nozzle 16. The material is input from the feeding warehouse 15 into the interior of the material box 1, and the material inside the material box 1 is detected through the detection nozzle 16.

[0019] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A solid sodium cyanide storage and transportation device, characterized in that: The invention comprises a material box (1), wherein a stirring frame (2) is provided at the lower end of the interior of the material box (1), oscillator brackets (3) are provided on the left and right sides of the front and rear outer surfaces of the material box (1), the lower end of the material box (1) is connected to a discharge pipe (4), a discharge spiral (5) is provided inside the discharge pipe (4) in the left and right directions, a quantitative discharge pipe (6) is provided at the lower right side of the discharge pipe (4), a connecting pipe (7) is provided between the quantitative discharge pipe (6) and the discharge pipe (4), a flexible connection (8) is provided at the middle position of the connecting pipe (7), an electric control valve (9) is provided on the side of the connecting pipe (7) close to the quantitative discharge pipe (6), and a quantitative spiral (10) is provided inside the quantitative discharge pipe (6).

2. A solid sodium cyanide storage and transportation device according to claim 1, characterized in that: A stirring shaft (11) is provided through the lower end of the interior of the material box (1) in the left and right directions, the stirring frame (2) is arranged on the stirring shaft (11), a stirring motor (12) is provided on one side of the material box (1), the stirring motor (12) is connected to one side of the stirring shaft (11) via a coupling, and the other side of the stirring shaft (11) is rotatably connected to the material box (1) via a bearing seat.

3. A solid sodium cyanide storage and transportation device according to claim 1, characterized in that: A discharging motor (13) is provided on one side of the discharging pipe (4), and the discharging motor (13) is connected to one side of the discharging screw (5) via a coupling, and the other side of the discharging screw (5) is rotatably connected to the discharging pipe (4) via a bearing seat.

4. A solid sodium cyanide storage and transportation device according to claim 1, characterized in that: A transmission box (14) is provided at the right end of the quantitative discharging pipe (6), and a power output end of the transmission box (14) is connected to the quantitative screw (10) via a coupling.

5. A solid sodium cyanide storage and transportation device according to claim 1, characterized in that: The left and right sides of the upper wall of the material box (1) are both provided with material inlets (15), and the middle position of the upper wall of the material box (1) is provided with a detection pipe opening (16).

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