A discharge device for recovering sodium sulfate

Abstract

This utility model belongs to the technical field of material discharge devices, and discloses a material discharge device for recovering sodium sulfate, including a frame, a storage bin mounted on the frame, and a conical discharge port at the bottom of the storage bin; a screw feeding mechanism, including a feeding cylinder, a connecting pipe mounted on the top of the feeding cylinder, and the connecting pipe connecting the conical discharge port and the feeding cylinder; a screw shaft vertically and rotatably mounted inside the feeding cylinder, and the screw shaft is driven by a drive motor, which is mounted at one end of the feeding cylinder, and the output shaft of the drive motor is connected to one end of the screw shaft; screw blades are mounted on the outer surface of the screw shaft, and the blade spacing gradually increases along the feeding direction; and a discharge port sealing mechanism, including a rotary sealing valve, with a flexible sealing sleeve installed at the connection between the rotary sealing valve and the discharge end of the feeding cylinder. This utility model can not only effectively prevent sodium sulfate dust leakage to improve the working environment, but also prevent material agglomeration and blockage.

Description

Technical Field

[0001] This utility model relates to the technical field of material discharge devices, and in particular to a material discharge device for recovering sodium sulfate. Background Technology

[0002] The sodium sulfate recovery discharge device is used to safely and controllably discharge materials (such as crystallized solids or concentrated liquids) during the production or recovery of sodium sulfate, ensuring the continuity of the process and the utilization rate of materials.

[0003] Sodium sulfate is an important chemical raw material and by-product in chemical production processes, and its recycling and reuse are of great significance. Traditional sodium sulfate discharge devices mostly adopt simple valve control or manual operation, which has the following technical defects:

[0004] 1) Dust pollution is easily generated during the material feeding process, which affects the working environment and the health of operators;

[0005] 2) The feeding speed is difficult to control precisely, which can easily lead to material waste or blockage; therefore, we propose a feeding device for recovering sodium sulfate. Utility Model Content

[0006] In view of the problems existing in the above-mentioned background technology, a discharge device for recovering sodium sulfate is proposed.

[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0008] A discharge device for recovering sodium sulfate includes a frame, on which a storage bin is installed, and a conical discharge port is provided at the bottom of the storage bin;

[0009] A spiral feeding mechanism includes a feeding cylinder mounted on the frame, a connecting pipe mounted on the top of the feeding cylinder, the connecting pipe connecting the conical discharge port and the feeding cylinder, a spiral shaft vertically and rotatably mounted inside the feeding cylinder, the spiral shaft being driven by a drive motor, the drive motor being mounted at one end of the feeding cylinder, and the output shaft of the drive motor being connected to one end of the spiral shaft, the outer surface of the spiral shaft being fitted with variable diameter spiral blades, and the blade spacing of the spiral blades gradually increasing along the feeding direction;

[0010] The discharge port sealing mechanism includes a rotary sealing valve installed on the discharge end of the feeding cylinder, and a flexible sealing sleeve is installed at the connection between the rotary sealing valve and the discharge end of the feeding cylinder.

[0011] As a technical solution of the feeding device for recovering sodium sulfate according to the present invention, the inner wall of the storage bin is provided with a polymer anti-stick coating, and the cone angle of the conical discharge port is 55°-56°.

[0012] As a technical solution of the feeding device for recovering sodium sulfate according to the present utility model, the discharge end of the feeding cylinder is a horn port, the large-diameter end of the horn port is connected to the feeding cylinder, and the small-diameter end of the horn port is connected to the rotary sealing valve.

[0013] As a technical solution of the feeding device for recovering sodium sulfate according to the present invention, the drive motor is a variable frequency motor.

[0014] As a technical solution of the feeding device for recovering sodium sulfate according to the present invention, the valve core of the rotary sealing valve is a fan-shaped structure, and the fan-shaped structure and the valve body of the rotary sealing valve form a labyrinth seal.

[0015] As a technical solution of the sodium sulfate recovery discharge device of this utility model, it further includes an auxiliary discharge mechanism installed on the storage silo. The auxiliary discharge mechanism includes a vibrating motor installed on the storage silo via a fixed base. An elastic connector is installed on the output shaft of the vibrating motor. A vibrating plate is installed at the end of the elastic connector away from the vibrating motor. The vibrating plate is attached to the outer wall of the conical discharge port.

[0016] As a technical solution of the feeding device for recovering sodium sulfate according to the present invention, wherein: a PLC controller for controlling the start and stop of the drive motor and the vibration motor is installed on the frame.

[0017] Compared with the prior art, the present invention has at least the following beneficial effects:

[0018] 1. This utility model, through the use of a fan-shaped valve core and a labyrinth sealing structure in a rotary sealing valve, combined with a flexible sealing sleeve, can effectively prevent dust leakage and the entry of external moisture, ensuring the dryness of sodium sulfate. At the same time, the sealing structure is made of wear-resistant material, which can adapt to the corrosiveness and abrasiveness of sodium sulfate, thereby extending its service life.

[0019] 2. In this utility model, by starting the drive motor and opening the rotary sealing valve, the output shaft of the drive motor drives the spiral shaft to rotate, and the spiral shaft drives the spiral blades to rotate, thus conveying the material flowing out of the storage bin through the inner cavity of the connecting pipe. At the same time, the material is fed to the designated position through the horn port and the rotary sealing valve, thereby facilitating the spiral conveying of the material.

[0020] 3. In this utility model, the vibrating motor drives the vibrating plate through the elastic connector, so that the material in the conical discharge port of the storage silo falls evenly, preventing bridging or blockage. At the same time, the vibration-assisted feeding can reduce the load on the screw feeding mechanism, reduce energy consumption, and extend the service life of the equipment.

[0021] 4. This utility model, by setting a polymer anti-stick coating and a 55°-65° cone angle design, can reduce the adhesion of sodium sulfate to the silo wall, reduce residue, and improve material utilization. At the same time, the cone angle design can ensure that the material slides down naturally, reducing the need for manual intervention or additional vibration force. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0023] Figure 1 This is a schematic diagram of the overall main structure of this utility model.

[0024] Figure 2 This is a schematic side view of the overall structure of this utility model.

[0025] Figure 3 This is a cross-sectional structural diagram of the threaded feeding mechanism of this utility model.

[0026] Explanation of reference numerals in the attached figures:

[0027] In the diagram: 1. Frame; 2. Storage bin; 3. Connecting pipe; 4. Feeding cylinder; 401. Horn port; 5. Drive motor; 6. Screw shaft; 7. Screw blades; 8. Rotary sealing valve; 9. Flexible sealing sleeve; 10. Vibration motor; 11. Elastic connector; 12. Vibrating plate; 13. PLC controller. Detailed Implementation

[0028] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0029] Reference Figures 1-3 A discharge device for recovering sodium sulfate is provided. This discharge device for recovering sodium sulfate includes a frame 1, a storage bin 2 is installed on the frame 1, and a conical discharge port is provided at the bottom of the storage bin 2.

[0030] The screw feeding mechanism includes a feeding cylinder 4 mounted on a frame 1. A connecting pipe 3 is mounted on the top of the feeding cylinder 4, and the connecting pipe 3 connects the conical discharge port and the feeding cylinder 4. A screw shaft 6 is vertically and rotatably mounted inside the feeding cylinder 4, and the screw shaft 6 is driven by a drive motor 5. The drive motor 5 is mounted at one end of the feeding cylinder 4, and the output shaft of the drive motor 5 is connected to one end of the screw shaft 6. A variable diameter screw blade 7 is mounted on the outer surface of the screw shaft 6, and the blade spacing of the screw blade 7 gradually increases along the feeding direction to facilitate screw conveying of materials.

[0031] The discharge port sealing mechanism includes a rotary sealing valve 8 installed on the discharge end of the feeding cylinder 4. A flexible sealing sleeve 9 is installed at the connection between the rotary sealing valve 8 and the discharge end of the feeding cylinder 4 to reduce dust leakage and improve the working environment.

[0032] Reference Figure 1 and Figure 2 The inner wall of the storage silo 2 is coated with a polymer anti-stick coating, and the cone angle of the conical discharge port is 55°-65°. In application, the polymer anti-stick coating reduces the adhesion of sodium sulfate to the silo wall, reduces residue, and improves material utilization. At the same time, the cone angle design of 55-65° can ensure that the material slides down naturally, reducing the need for manual intervention or additional vibration force.

[0033] Reference Figure 1 and Figure 3 The discharge end of the feeding cylinder 4 is a horn port 401. The large diameter end of the horn port 401 is connected to the feeding cylinder 4, and the small diameter end of the horn port 401 is connected to the rotary sealing valve 8, so as to facilitate the connection between the feeding cylinder 4 and the rotary sealing valve 8, thereby facilitating sealing.

[0034] Reference Figures 1-3 The drive motor 5 is a variable frequency motor, which can adapt to different feeding speed requirements and meet the requirements of precision production. At the same time, the speed can be adjusted according to actual needs to avoid energy waste and reduce operating costs.

[0035] Reference Figure 1 and Figure 3 The valve core of the rotary sealing valve 8 has a fan-shaped structure, and the fan-shaped structure and the valve body of the rotary sealing valve 8 form a labyrinth seal. In application, the rotary sealing valve 8 adopts a fan-shaped valve core and a labyrinth seal structure, combined with a flexible sealing sleeve 9, which can effectively prevent dust leakage and external moisture from entering, ensuring the dryness of sodium sulfate. At the same time, the sealing structure is made of wear-resistant material, which can adapt to the corrosiveness and abrasiveness of sodium sulfate, so as to extend its service life.

[0036] Reference Figure 1It also includes an auxiliary feeding mechanism installed on the storage silo 2. The auxiliary feeding mechanism includes a vibrating motor 10 installed on the storage silo 2 via a fixed base. An elastic connector 11 is installed on the output shaft of the vibrating motor 10. A vibrating plate 12 is installed at the end of the elastic connector 11 away from the vibrating motor 10. The vibrating plate 12 is attached to the outer wall of the conical feeding port. In application, the vibrating motor 10 drives the vibrating plate 12 through the elastic connector 11, so that the material in the conical feeding port of the storage silo 2 falls evenly, preventing bridging or blockage. At the same time, the vibration-assisted feeding can reduce the load on the screw feeding mechanism, reduce energy consumption, and extend the service life of the equipment.

[0037] Reference Figure 1 and Figure 2 The frame 1 is equipped with a PLC controller 13 for controlling the start and stop of the drive motor 5 and the vibration motor 10, so as to realize automated control and improve production safety and stability.

[0038] The working principle of this utility model is as follows: By starting the drive motor 5 fixed on one end of the feeding cylinder 4 and opening the rotary sealing valve 8, the output shaft of the drive motor 5 drives the spiral shaft 6 to rotate, and the spiral shaft 6 drives the spiral blades 7 to rotate, thus conveying the material flowing out of the storage bin 2 through the inner cavity of the connecting pipe 3. At the same time, the material is fed to the designated position through the horn port 401 and the rotary sealing valve 8. Meanwhile, the vibration motor 10 is started by the PLC controller 13. At this time, the output shaft of the vibration motor 10 drives the elastic connecting member 11 to vibrate, and the elastic connecting member 11 drives the vibrating plate 12 to vibrate. The vibrating plate 12 drives the conical discharge port to vibrate, so that the material in the conical discharge port of the storage bin 2 falls evenly to prevent bridging or blockage. During this period, the rotary sealing valve 8, combined with the flexible sealing sleeve 9, can effectively prevent dust leakage and external moisture from entering, while ensuring the dryness of sodium sulfate, thus facilitating the discharge of material and effectively preventing sodium sulfate dust leakage, thereby improving the working environment and preventing material blockage.

[0039] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A feed device for recovering sodium sulfate, characterized by: include: A frame (1) is provided with a storage bin (2) installed on the frame (1), and a conical discharge port is provided at the bottom of the storage bin (2); The spiral feeding mechanism includes a feeding cylinder (4) mounted on the frame (1), a connecting pipe (3) mounted on the top of the feeding cylinder (4), and the connecting pipe (3) connecting the conical discharge port and the feeding cylinder (4). A spiral shaft (6) is vertically and rotatably mounted inside the feeding cylinder (4), and the spiral shaft (6) is driven by a drive motor (5). The drive motor (5) is mounted on one end of the feeding cylinder (4), and the output shaft of the drive motor (5) is connected to one end of the spiral shaft (6). A variable diameter spiral blade (7) is mounted on the outer surface of the spiral shaft (6), and the blade spacing of the spiral blade (7) gradually increases along the feeding direction. The discharge port sealing mechanism includes a rotary sealing valve (8) installed on the discharge end of the feeding cylinder (4), and a flexible sealing sleeve (9) is installed at the connection between the rotary sealing valve (8) and the discharge end of the feeding cylinder (4).

2. The sodium sulfate recycling use feed-out device according to claim 1, characterized in that: The inner wall of the storage bin (2) is provided with a polymer anti-stick coating, and the cone angle of the cone discharge port is 55°-65°.

3. The discharging device for recovering sodium sulfate according to claim 1, characterized in that: The discharge end of the feeding cylinder (4) is a horn port (401). The large diameter end of the horn port (401) is connected to the feeding cylinder (4), and the small diameter end of the horn port (401) is connected to the rotary sealing valve (8).

4. The discharging device for recovering sodium sulfate according to claim 1, characterized in that: The drive motor (5) is a variable frequency motor.

5. The discharging device for recovering sodium sulfate according to claim 1, characterized in that: The valve core of the rotary sealing valve (8) has a fan-shaped structure, and the fan-shaped structure forms a labyrinth seal with the valve body of the rotary sealing valve (8).

6. The discharging device for recovering sodium sulfate according to claim 1, characterized in that: It also includes an auxiliary feeding mechanism installed on the storage bin (2). The auxiliary feeding mechanism includes a vibration motor (10) installed on the storage bin (2) via a fixed base. An elastic connector (11) is installed on the output shaft of the vibration motor (10). A vibration plate (12) is installed on the end of the elastic connector (11) away from the vibration motor (10). The vibration plate (12) is attached to the outer wall of the conical feeding port.

7. The discharging device for recovering sodium sulfate according to claim 6, characterized in that: A PLC controller (13) for controlling the start and stop of the drive motor (5) and the vibration motor (10) is installed on the frame (1).

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