Sulfur adding hopper for sodium pyrosulfite production

Abstract

The utility model discloses a sulfur adding hopper for sodium pyrosulfite production, which comprises a storage hopper, a feeding port arranged at the upper end of the side surface of the storage hopper, a double-roller grinding mill arranged inside the outlet at the bottom of the storage hopper, a weighing box fixedly arranged at the outlet at the bottom of the storage hopper, and an electronic metering scale fixedly arranged on the inner bottom surface of the weighing box. A scale pan of the electronic metering scale is in a funnel shape, the center of the bottom of the scale pan is communicated with a discharging pipe, and the discharging pipe penetrates through the weighing box and extends out of one end below the weighing box to be communicated with and fixedly provided with an auger conveying mechanism. Sulfur is accurately metered, uniform adding and accurate control of the sulfur are guaranteed, the double-roller grinding machine is adopted for grinding the sulfur, uniform particle size of the sulfur is guaranteed, the hardening problem is solved, due to the design of the auger conveying mechanism, adding of the sulfur is more uniform and controllable, and the problem of insufficient combustion of the sulfur is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding mechanism devices, in particular to a sulfur adding bucket for sodium pyrosulfite production. Background Art

[0002] Sodium metabisulfite is an important chemical raw material, widely used in industrial production. In the production process of sodium metabisulfite, sulfur is a commonly used additive to adjust the chemical reaction conditions during the reaction. The traditional sulfur adding mechanism has some defects. First, the sulfur compaction causes uneven feeding, which will lead to the instability of the chemical reaction during the production process; secondly, the sulfur addition per unit time cannot be accurately measured by simply adding the material through the auger, resulting in the ratio with oxygen being difficult to control, which can easily cause incomplete sulfur combustion, affecting product quality and production efficiency. Utility Model Content

[0003] A technical problem

[0004] The utility model provides a sulfur adding hopper for sodium pyrosulfite production, aiming to solve the problem that traditional feeding hoppers cannot solve the sulfur agglomeration problem and the problem that the adding amount cannot be monitored.

[0005] 2. Technical Content

[0006] In order to solve the above technical problems, the technical solution of the utility model is: a sulfur adding hopper for sodium metabisulfite production, including a storage hopper, a feeding port is provided at the upper end of the side of the storage hopper, a double-roller crusher is provided inside the bottom outlet of the storage hopper, a weighing box is fixedly provided at the bottom outlet of the storage hopper, an electronic weighing scale is fixedly provided on the bottom surface of the weighing box, the weighing pan of the electronic weighing scale is funnel-shaped and a feeding pipe is connected to the center of the bottom, the feeding pipe passes through the weighing box and extends to one end below the weighing box and is connected and fixed with an auger conveying mechanism.

[0007] Furthermore, the double-roller crusher includes two crushing rollers rotatably arranged inside the bottom outlet of the storage hopper, the crushing teeth on the surfaces of the two crushing rollers are meshed with each other, and also includes a motor fixedly arranged outside the storage hopper, and the driving shaft of the motor is drivingly connected to one of the crushing rollers.

[0008] Furthermore, the auger conveying mechanism includes a shell fixedly arranged at the bottom of the discharge pipe, an auger is rotatably arranged inside the shell, a motor 2 for driving the auger to rotate is fixedly arranged outside the shell, the upper end of the shell is connected to the discharge pipe, and a discharge port is arranged at the bottom of the other end of the shell.

[0009] Furthermore, a motor three is fixedly provided on the top of the storage hopper, a driving shaft of the motor three is extended into one end of the storage hopper and a stirring shaft is fixedly provided, and a plurality of stirring arms are fixedly provided on the stirring shaft.

[0010] Furthermore, support feet are fixedly provided at the four corners of the bottom of the weighing box.

[0011] Three technical effects

[0012] Compared with the prior art, the utility model has the following advantages: the utility model patent improves and optimizes the defects of the traditional sulfur adding mechanism. By setting a weighing box and an electronic weighing scale at the bottom outlet of the storage hopper, the accurate measurement of sulfur is achieved, ensuring the uniform addition and precise control of sulfur, thereby improving the stability of the chemical reaction and the quality of the product. At the same time, the double-roller crusher is used to crush the sulfur, ensuring the uniform particle size of the sulfur, solving the problem of compaction, and further improving the production efficiency and product quality. In addition, the design of the auger conveying mechanism makes the addition of sulfur more uniform and controllable, avoiding the problem of incomplete sulfur combustion, thereby improving production efficiency and saving resource costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional structure diagram of a sulfur adding bucket for sodium metabisulfite production in the utility model. Figure 1 .

[0014] Figure 2 This is a three-dimensional structure diagram of a sulfur adding bucket for sodium metabisulfite production in the utility model. Figure 2 .

[0015] Figure 3 The utility model is a schematic diagram of the main structure of a sulfur adding bucket for sodium metabisulfite production.

[0016] Figure 4 This is a schematic diagram of the cross-sectional structure of a sulfur adding bucket for sodium pyrosulfite production in the utility model. Figure 1 .

[0017] Figure 5 This is a schematic diagram of the cross-sectional structure of a sulfur adding bucket for sodium pyrosulfite production in the utility model. Figure 2 .

[0018] As shown in the figure: 1. Storage hopper; 2. Double-roller crusher; 3. Weighing box; 4. Electronic weighing scale; 5. Feeding pipe; 6. Auger conveying mechanism; 7. Feeding port; 8. Crushing roller; 9. Motor; 10. Shell; 11. Auger; 12. Motor 2; 13. Discharge port; 14. Motor 3; 15. Stirring shaft; 16. Stirring arm; 17. Support foot. DETAILED DESCRIPTION

[0019] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "inside", "outside", "center", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction structure and operation. Therefore, they should not be understood as limitations on the present invention.

[0020] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "provided with", "installed", "connected", "connected" and the like 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 a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0022] Example 1

[0023] Combined with Figure 1 To Attachment Figure 5 A sulfur adding hopper for sodium metabisulfite production comprises a storage hopper 1, a feeding port 7 is arranged at the upper end of the side of the storage hopper 1, a double-roller crusher 2 is arranged inside the bottom outlet of the storage hopper 1, a weighing box 3 is fixedly arranged at the bottom outlet of the storage hopper 1, an electronic weighing scale 4 is fixedly arranged on the bottom surface of the weighing box 3, the weighing pan of the electronic weighing scale 4 is funnel-shaped and a feeding pipe 5 is connected to the center of the bottom, the feeding pipe 5 passes through the weighing box 3 and extends to one end below the weighing box 3 and is connected and fixed with an auger conveying mechanism 6, and support feet 17 are fixedly arranged at the four corners of the bottom of the weighing box 3.

[0024] Through the above structural design, when the utility model is used, first connect the external power supply, pour the sulfur material from the feeding port 7 into the storage hopper 1, start the double-roll crusher 2 to crush the hardened sulfur material into powder with uniform particle size, the double-roll crusher 2 is arranged inside the outlet of the storage hopper 1, and the size design ensures that sulfur will fall only when the double-roll crusher is started. When the double-roll crusher is stopped, it is equivalent to the lower end outlet of the storage hopper being closed. Start the double-roll crusher 2, and after the sulfur is crushed, the sulfur falls into the scale pan of the electronic weighing scale 4 below. The electronic weighing scale 4 The value shows the weight of the sulfur inside it. It should be noted here that the weight of the feed pipe and the auger conveying mechanism has been calibrated to zero in the motor weighing scale 4. The data of the electronic weighing scale 4 is simply the weight of the sulfur. When the weight reaches the load value of the weighing scale, the double-roller crusher stops and the auger conveying mechanism 6 is started to uniformly convey the sulfur in the motor weighing scale 4 to the sodium metabisulfite production equipment. The sulfur delivery per unit time can be obtained through the data change of the electronic weighing scale 4. The oxygen delivery amount is controlled according to this data change to ensure the full combustion of the sulfur.

[0025] In this embodiment, the double-roller crusher 2 includes two crushing rollers 8 rotatably arranged inside the bottom outlet of the storage hopper 1, and the crushing teeth on the surfaces of the two crushing rollers 8 are meshed with each other. It also includes a motor 9 fixedly arranged outside the storage hopper 1, and the driving shaft of the motor 9 is drivingly connected to one of the crushing rollers 8.

[0026] In this embodiment, the auger conveying mechanism 6 includes a shell 10 fixedly arranged at the bottom of the discharge pipe 5, an auger 11 is rotatably arranged inside the shell 10, a motor 12 for driving the auger 11 to rotate is fixedly arranged outside the shell 10, the upper end of the shell 10 is connected to the discharge pipe 5, and a discharge port 13 is arranged at the bottom of the other end of the shell 10.

[0027] It should be noted that the double-roller crusher and the auger conveying mechanism are conventional mechanical structures in the art, and their operating principles and processes will not be described in detail in this solution.

[0028] Example 2

[0029] Compared with Example 1, in this embodiment, a motor 3 14 is fixedly provided on the top of the storage hopper 1, and a stirring shaft 15 is fixedly provided on one end of the driving shaft of the motor 3 14 extending into the interior of the storage hopper 1, and a plurality of stirring arms 16 are fixedly provided on the stirring shaft 15.

[0030] Through the above structural design, the starting motor 3 14 drives the stirring shaft 15 and the stirring arm 16 to rotate, and the sulfur inside the storage hopper is initially stirred evenly, and some larger pieces of compacted sulfur are crushed to prevent them from clogging at the outlet of the lower end of the storage hopper.

[0031] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A sulfur addition hopper for sodium metabisulfite production, comprising a storage hopper (1), a feeding port (7) is provided at the upper end of the side of the storage hopper (1), and a double-roller crusher (2) is provided inside the bottom outlet of the storage hopper (1), characterized in that: A weighing box (3) is fixedly provided at the bottom outlet of the storage hopper (1), an electronic weighing scale (4) is fixedly provided on the inner bottom surface of the weighing box (3), the weighing pan of the electronic weighing scale (4) is funnel-shaped and a feeding pipe (5) is connected to the center of the bottom, the feeding pipe (5) passes through the weighing box (3) and extends to one end below the weighing box (3) and is connected to and fixed with an auger conveying mechanism (6).

2. The sulfur addition hopper for sodium metabisulfite production according to claim 1, characterized in that: The double-roller crusher (2) comprises two crushing rollers (8) rotatably arranged inside the bottom outlet of the storage hopper (1), the crushing teeth on the surfaces of the two crushing rollers (8) meshing with each other, and also comprises a motor (9) fixedly arranged outside the storage hopper (1), the driving shaft of the motor (9) being drivingly connected to one of the crushing rollers (8).

3. The sulfur addition hopper for sodium metabisulfite production according to claim 1, characterized in that: The auger conveying mechanism (6) comprises a shell (10) fixedly arranged at the bottom of a feeding tube (5), an auger (11) being rotatably arranged inside the shell (10), a second motor (12) for driving the auger (11) to rotate being fixedly arranged outside the shell (10), the upper end of the shell (10) being connected to the feeding tube (5), and a discharge port (13) being arranged at the bottom of the other end of the shell (10).

4. The sulfur addition hopper for sodium metabisulfite production according to claim 1, characterized in that: A motor three (14) is fixedly provided on the top of the storage hopper (1), a driving shaft of the motor three (14) extending into one end of the storage hopper (1) is fixedly provided with a stirring shaft (15), and a plurality of stirring arms (16) are fixedly provided on the stirring shaft (15).

5. The sulfur addition hopper for sodium metabisulfite production according to claim 1, characterized in that: Support feet (17) are fixedly provided at the four corners of the bottom of the weighing box (3).

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