Coal conveying and feeding device for sodium sulfide production

Abstract

The utility model relates to a coal conveying and feeding device for sodium sulfide production, which belongs to the technical field of sodium sulfide production and comprises a hopper, a mounting box is fixedly mounted at the top of the hopper, and an anti-blocking mechanism is arranged between the mounting box and the hopper. The anti-blocking mechanism comprises a first motor, an output shaft of the first motor is in transmission connection with a rotating shaft, one end of the rotating shaft is fixedly connected with a rotating disc, a connecting rod is hinged to the non-center position of the side, away from the rotating shaft, of the rotating disc, and a material smashing rod is hinged to the end, away from the rotating disc, of the connecting rod. The material ramming rod penetrates through the hopper and extends to the inner side of the discharging pipe, and a material conveying assembly is further arranged on the outer side of the material ramming rod; the material conveying assembly comprises a hollow shaft and a second motor. According to the coal conveying and feeding device for sodium sulfide production, the blocking probability is reduced, the anti-blocking performance is good, stable supply of pulverized coal is guaranteed, convenience is provided for sodium sulfide production, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of sodium sulfide production, in particular to a coal conveying and feeding device for sodium sulfide production. Background Art

[0002] Sodium sulfide is also known as alkali sulfide, stinking soda, and stinking alkali. The pure product is colorless or slightly purple prismatic crystals at room temperature. Industrial sodium sulfide is often pink, brownish red, or khaki blocks due to impurities. The printing and dyeing industry uses sodium sulfide as an auxiliary dye for dissolving sulfide dyes. The leather industry uses sodium sulfide for hydrolysis to dehair raw hides. The cotton textile industry uses sodium sulfide as a mordant for dyeing cotton fabrics.

[0003] Most industrial methods for preparing sodium sulfide use a coal powder reduction method, which is to mix Glauber's salt and coal powder in a ratio of 100: (21-22.5) (weight ratio) and calcine and reduce them at a high temperature of 800-1100°C. After cooling, the product is melted into a liquid with a dilute alkali solution. After standing and clarifying, the upper concentrated alkali solution is concentrated to obtain solid sodium sulfide. During the preparation process, a feeding device is required to feed the coal powder into the reaction device.

[0004] However, the lower part of the hopper in the current feeding device is narrow, and a part of the coal powder is easily blocked under the hopper during the feeding process, affecting the preparation progress of sodium sulfide and causing inconvenience in production. Therefore, a coal feeding device for sodium sulfide production is proposed to solve the above problems. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a coal feeding device for the production of sodium sulfide, which has the advantages of good anti-clogging performance, etc., and solves the problem that the lower part of the hopper in the current feeding device is narrow, and a part of the coal powder is easily blocked under the hopper during the feeding process, affecting the preparation progress of sodium sulfide and causing production inconvenience.

[0006] To achieve the above object, the utility model provides the following technical solution: a coal feeding device for sodium sulfide production, comprising a hopper, a mounting box is fixedly installed on the top of the hopper, and an anti-blocking mechanism is provided between the mounting box and the hopper;

[0007] The anti-blocking mechanism comprises a first motor, the output shaft of the first motor is drivingly connected to a rotating shaft, one end of the rotating shaft is fixedly connected to a rotating disk, a connecting rod is hingedly connected to a non-center portion of a side of the rotating disk away from the rotating shaft, a ramming rod is hingedly connected to an end of the connecting rod away from the rotating disk, the ramming rod penetrates the hopper and extends to the inner side of the discharge pipe, and a feeding assembly is also arranged on the outer side of the ramming rod;

[0008] The feeding assembly includes a hollow shaft and a second motor. The hollow shaft is located inside the hopper and sleeved on the outside of the tamping rod. A spiral blade is fixedly connected to the outer wall of the hollow shaft. The output shaft of the second motor is drivingly connected to the hollow shaft.

[0009] Furthermore, a feed port is provided on the upper side of the hopper, and a discharge pipe is fixedly installed on the bottom of the hopper.

[0010] Furthermore, the first motor is fixedly installed inside the installation box, and one end of the rotating shaft away from the turntable is connected to the inner wall of the installation box through a bearing.

[0011] Furthermore, a first transmission gear is fixedly mounted on the output shaft of the first motor, a first slave gear is fixedly mounted on the outer wall of the rotating shaft, and the first transmission gear is meshed with the first slave gear.

[0012] Furthermore, a sliding block is fixedly connected to the upper outer wall of the tamping rod, a guide rail is fixedly installed inside the installation box, and the sliding block is slidably connected to the inner side of the guide rail.

[0013] Furthermore, the second motor is fixedly mounted inside the mounting box, a second transmission gear is fixedly mounted on the output shaft of the second motor, a second slave gear is fixedly mounted on the upper outer wall of the hollow shaft, and the second transmission gear is meshed with the second slave gear.

[0014] Furthermore, the inner top wall of the hopper is fixedly connected with a fixed cover, the second transmission gear and the second slave gear are both located inside the fixed cover, the upper end of the hollow shaft extends into the fixed cover, and the hollow shaft and the fixed cover are connected through a bearing, and the inner wall of the hollow shaft is gap-matched with the outer wall of the ramming rod.

[0015] Compared with the prior art, the utility model provides a coal feeding device for sodium sulfide production, which has the following beneficial effects:

[0016] 1. The coal feeding device for sodium sulfide production starts the first motor to drive the first transmission gear and the first slave gear to operate, and drives the rotating shaft to rotate, and drives the turntable to rotate at the same time. The turntable drives the tamping rod to reciprocate up and down through the connecting rod. The up and down reciprocating motion of the tamping rod can be used to dredge the discharge pipe, which reduces the probability of blockage, has good anti-blockage performance, ensures the stable supply of coal powder, provides convenience for sodium sulfide production, and is highly practical.

[0017] 2. The coal feeding device for sodium sulfide production starts the second motor to drive the second transmission gear and the second slave gear to operate, and drives the hollow shaft to rotate, thereby driving the spiral blades to rotate. The spiral blades can stir the coal powder inside the hopper and push the coal powder downward, which facilitates feeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a cross-sectional view of the structure of the utility model;

[0019] Figure 2 This is a structural sectional view of the installation box of the utility model;

[0020] Figure 3 It is a structural stereogram of the turntable and the connecting rod of the utility model;

[0021] Figure 4 It is a top view of the structure of the utility model.

[0022] In the figure: 1. hopper; 2. feed inlet; 3. discharge pipe; 4. mounting box; 5. first motor; 6. first transmission gear; 7. first slave gear; 8. rotating shaft; 9. turntable; 10. connecting rod; 11. tamping rod; 12. hollow shaft; 13. spiral blade; 14. fixed cover; 15. second motor; 16. second transmission gear; 17. second slave gear; 18. slider; 19. guide rail. DETAILED DESCRIPTION

[0023] 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.

[0024] Embodiment 1:

[0025] See also Figure 1-4 A coal feeding device for sodium sulfide production in this embodiment includes a hopper 1, a feed port 2 is opened on the upper side of the hopper 1, a discharge pipe 3 is fixedly installed at the bottom of the hopper 1, and a mounting box 4 is fixedly installed on the top of the hopper 1.

[0026] In this embodiment, an anti-blocking mechanism is provided between the mounting box 4 and the hopper 1, and the anti-blocking mechanism includes a first motor 5, which is fixedly mounted inside the mounting box 4, and the output shaft of the first motor 5 is transmission-connected with a rotating shaft 8, one end of the rotating shaft 8 is fixedly connected with a turntable 9, a connecting rod 10 is hinged at a non-center portion of the turntable 9 away from the rotating shaft 8, a pounding rod 11 is hinged at one end of the connecting rod 10 away from the turntable 9, and the pounding rod 11 passes through the hopper 1 and extends to the inner side of the discharge pipe 3.

[0027] Among them, the end of the rotating shaft 8 away from the turntable 9 is connected to the inner wall of the installation box 4 through a bearing, the first transmission gear 6 is fixedly installed on the output shaft of the first motor 5, and the first slave gear 7 is fixedly installed on the outer wall of the rotating shaft 8, and the first transmission gear 6 and the first slave gear 7 remain in meshing.

[0028] It should be noted that the first transmission gear 6 and the first slave gear 7 are both bevel gears.

[0029] It should be supplemented that a slider 18 is fixedly connected to the upper outer wall of the ramming rod 11, a guide rail 19 is fixedly installed inside the mounting box 4, and the slider 18 is slidably connected to the inner side of the guide rail 19. The slider 18 and the guide rail 19 can be used to guide the ramming rod 11 so that the ramming rod 11 can maintain a stable running trajectory.

[0030] Embodiment 2:

[0031] See also Figure 1-2 On the basis of the first embodiment, in the present embodiment, a feeding assembly is further provided on the outer side of the pounding rod 11, and the feeding assembly includes a hollow shaft 12 and a second motor 15, the second motor 15 is fixedly mounted inside the mounting box 4, the hollow shaft 12 is located inside the hopper 1 and is sleeved on the outer side of the pounding rod 11, a spiral blade 13 is fixedly connected to the outer wall of the hollow shaft 12, and the output shaft of the second motor 15 is transmission-connected to the hollow shaft 12.

[0032] In this embodiment, a second transmission gear 16 is fixedly mounted on the output shaft of the second motor 15, and a second slave gear 17 is fixedly mounted on the upper outer wall of the hollow shaft 12, and the second transmission gear 16 is meshed with the second slave gear 17. Among them, a fixed cover 14 is fixedly connected to the inner top wall of the hopper 1, and the second transmission gear 16 and the second slave gear 17 are both located inside the fixed cover 14. The upper end of the hollow shaft 12 extends to the inside of the fixed cover 14, and the hollow shaft 12 is connected to the fixed cover 14 through a bearing, and the inner wall of the hollow shaft 12 is clearance-matched with the outer wall of the tamping rod 11.

[0033] It should be noted that the second transmission gear 16 and the second slave gear 17 are both spur gears.

[0034] The working principle of the above embodiment is:

[0035] When the utility model is in use, the first motor 5 is started to drive the first transmission gear 6 and the first slave gear 7 to operate, and the rotating shaft 8 is driven to rotate, and the turntable 9 is driven to rotate at the same time. The turntable 9 will drive the tamping rod 11 to reciprocate up and down through the connecting rod 10. The discharge pipe 3 can be dredged by the up and down reciprocating movement of the tamping rod 11. At the same time, the second motor 15 is started to drive the second transmission gear 16 and the second slave gear 17 to operate, and the hollow shaft 12 is driven to rotate, thereby driving the spiral blade 13 to rotate. The spiral blade 13 can be used to stir the coal powder inside the hopper 1, and at the same time, the coal powder is pushed downward, which is convenient for feeding.

[0036] The installation method, connection method or setting method disclosed in this embodiment are all common mechanical methods, and they can be implemented as long as they can achieve their beneficial effects. In addition, the electrical components appearing in the text are all electrically connected to the main controller and the power supply. The main controller is a conventional known device, and there is an existing disclosed power connection technology. Therefore, the text will not go into too much detail on its specific structural composition and working principle.

[0037] It should be noted that in this article, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be understood as a limitation on the present application.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0039] 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 coal feeding device for sodium sulfide production, comprising a hopper (1), Features: A mounting box (4) is fixedly mounted on the top of the hopper (1), and an anti-blocking mechanism is provided between the mounting box (4) and the hopper (1); The anti-blocking mechanism comprises a first motor (5), the output shaft of the first motor (5) is drivingly connected to a rotating shaft (8), one end of the rotating shaft (8) is fixedly connected to a rotating disk (9), a connecting rod (10) is hingedly connected to a non-center portion of a side of the rotating disk (9) away from the rotating shaft (8), a ramming rod (11) is hingedly connected to one end of the connecting rod (10) away from the rotating disk (9), the ramming rod (11) penetrates the hopper (1) and extends to the inner side of the discharge pipe (3), and a feeding assembly is also arranged on the outer side of the ramming rod (11); The feeding assembly comprises a hollow shaft (12) and a second motor (15); the hollow shaft (12) is located inside the hopper (1) and sleeved on the outside of the tamping rod (11); a spiral blade (13) is fixedly connected to the outer wall of the hollow shaft (12); and the output shaft of the second motor (15) is drivingly connected to the hollow shaft (12).

2. A coal feeding device for sodium sulfide production according to claim 1, Features: A feed inlet (2) is provided on the upper side of the hopper (1), and a discharge pipe (3) is fixedly installed on the bottom of the hopper (1).

3. A coal feeding device for sodium sulfide production according to claim 1, Features: The first motor (5) is fixedly mounted inside the installation box (4), and one end of the rotating shaft (8) away from the rotating disk (9) is connected to the inner wall of the installation box (4) via a bearing.

4. A coal feeding device for sodium sulfide production according to claim 1, Features: A first transmission gear (6) is fixedly mounted on the output shaft of the first motor (5), a first slave gear (7) is fixedly mounted on the outer wall of the rotating shaft (8), and the first transmission gear (6) is meshed with the first slave gear (7).

5. A coal feeding device for sodium sulfide production according to claim 1, Features: A slider (18) is fixedly connected to the upper outer wall of the tamping rod (11), a guide rail (19) is fixedly installed inside the installation box (4), and the slider (18) is slidably connected to the inner side of the guide rail (19).

6. A coal feeding device for sodium sulfide production according to claim 1, Features: The second motor (15) is fixedly mounted inside the mounting box (4); a second transmission gear (16) is fixedly mounted on the output shaft of the second motor (15); a second slave gear (17) is fixedly mounted on the upper outer wall of the hollow shaft (12); and the second transmission gear (16) is meshed with the second slave gear (17).

7. A coal feeding device for sodium sulfide production according to claim 6, Features: The inner top wall of the hopper (1) is fixedly connected to a fixed cover (14); the second transmission gear (16) and the second slave gear (17) are both located inside the fixed cover (14); the upper end of the hollow shaft (12) extends into the interior of the fixed cover (14); the hollow shaft (12) and the fixed cover (14) are connected via a bearing; the inner wall of the hollow shaft (12) is clearance-matched with the outer wall of the tamping rod (11).

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