Feeding device for sulfur combustion

Abstract

The utility model provides a feeding device for sulfur combustion. The feeding device comprises a feeding barrel with two closed ends, a driving motor is arranged at one end of the feeding barrel, a spiral conveying shaft arranged in the feeding barrel is arranged on an output shaft of the driving motor, a discharging pipe is arranged at the top of the feeding barrel, and a smashing box used for smashing sulfur is arranged at the top of the discharging pipe. A connecting groove is formed in the bottom of the feeding cylinder, a filter screen used for filtering sulfur is arranged at the bottom of the connecting groove, an air guide plate arranged below the filter screen is arranged on the side wall of the feeding cylinder, a flow guide channel is formed between the inner wall of the air guide plate and the side wall of the filter screen, and a plurality of air guide pipes are arranged on the side, away from the discharging port, of the air guide plate; the top of the feeding cylinder is provided with a plurality of nozzles which incline downwards towards the direction of the discharging port and are communicated with the upper side of the inner wall of the feeding cylinder, the top of the feeding cylinder is provided with an air blowing assembly used for supplying air to the multiple nozzles and the multiple air guiding pipes, and the sulfur particle and powder separating device is reasonable in structure, convenient to separate particle and powder sulfur and high in separating efficiency.

Description

Technical Field

[0001] The utility model relates to a sulfur combustion speed regulating feeding device, in particular to a sulfur combustion feeding device. Background Art

[0002] Sulfur is the main raw material for producing sulfur dioxide gas. At room temperature, sulfur is solid and easy to burn. In industrial production, sulfur dioxide gas is generally produced by the combustion of sulfur.

[0003] In the existing technology, the current processing plant produces SO 2 The feeding of sulfur into the combustion furnace is generally carried out by using a feeding barrel with a screw conveyor. During the feeding, the sulfur crushed by the crushing box is in the form of particles and powder. The two states of sulfur are mixed and enter the feeding barrel. When it is transported to the combustion furnace for combustion by the screw conveyor, it is not convenient to separate the particles and powder. This will lead to incomplete combustion. Moreover, when separating the particles and powder, part of the powder sulfur will adhere to the particles, resulting in low separation efficiency. Now, a feeding device for sulfur combustion is urgently needed to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a feeding device for sulfur combustion to solve the problems raised in the above-mentioned background technology. The utility model has a reasonable structure, and the separation of granular and powdered sulfur is convenient and efficient.

[0005] In order to achieve the above object, the utility model is implemented through the following technical scheme: a feeding device for sulfur combustion, comprising:

[0006] A feed barrel with closed ends, one end of which is provided with a driving motor, the output shaft of which is provided with a spiral conveying shaft placed inside the feed barrel, the other end of which is provided with a discharge port, a discharge pipe is provided at the top of the feed barrel, a crushing box for crushing sulfur is provided at the top of the discharge pipe, and a feed hopper is provided at the top of the crushing box;

[0007] A connecting groove is provided at the bottom of the feed barrel, a filter screen for filtering sulfur is provided at the bottom of the connecting groove, an air guide plate is provided on the side wall of the feed barrel and is placed below the filter screen, a guide channel is formed between the inner wall of the air guide plate and the side wall of the filter screen, a plurality of air guide pipes are provided on the side of the air guide plate away from the discharge port, a plurality of nozzles inclined downward toward the discharge port and connected to the upper side of the inner wall of the feed barrel are provided at the top of the feed barrel, and a blowing assembly is provided on the top of the feed barrel for supplying air to the plurality of nozzles and the plurality of air guide pipes respectively.

[0008] Furthermore, a pair of fixing grooves are symmetrically opened at the bottom of the feed barrel, and a pair of connecting grooves are symmetrically opened on the side wall of the feed barrel;

[0009] The filter screen includes a fixed screen segment arranged inside a pair of fixed grooves, and an arc-shaped screen segment is arranged between the bottoms of the pair of fixed screen segments;

[0010] The air guide plate comprises a connecting plate arranged inside a pair of connecting grooves, and an arc-shaped guide plate arranged below the arc-shaped network segment is arranged between the bottoms of the pair of connecting plates.

[0011] Furthermore, the upper end surface of the arc-shaped network segment matches the lower end surface of the connecting groove.

[0012] Furthermore, the blowing assembly includes a pair of connecting columns symmetrically arranged on the top of the feed barrel, a wind dispersion plate mounted on the side wall of the discharge pipe is arranged between the tops of the pair of connecting columns, a plurality of air outlets are opened at the bottom of the wind dispersion plate, a connecting pipe is arranged between the air outlet and the nozzle, and a fan for supplying air to the plurality of air outlets and the plurality of air guide ducts is arranged on the top of the wind dispersion plate.

[0013] Furthermore, the air guide duct is connected to the air dispersion plate, and a hollow groove is provided inside the air dispersion plate for connecting the fan to the multiple air outlets and the multiple air guide ducts respectively.

[0014] Furthermore, a sealing ring is provided at the connection between the feeding pipe and the air dispersion plate.

[0015] Furthermore, a pair of rotatable crushing rollers are arranged inside the crushing box, the pair of crushing rollers are connected by gears, bearings are arranged at the connection between the pair of crushing rollers and the crushing box, and a crushing motor connected to one of the crushing rollers is arranged on the side wall of the crushing box.

[0016] Furthermore, a motor speed regulator for adjusting the rotation speed of the driving motor is provided on the side wall of the crushing box.

[0017] According to a sulfur combustion feeding device of the utility model, sulfur is allowed to enter the inside of a crushing box from a feed hopper for crushing, and the crushed sulfur enters the inside of a feed barrel, and at the same time, a driving motor is operated to drive the spiral conveying shaft to rotate to convey the crushed sulfur, thereby causing the sulfur to rotate between the filter screen and the feed barrel, and the powdered sulfur flows out of the filter screen into the inside of a flow guide channel, while the granular sulfur remains inside the filter screen, thereby facilitating the separation of the powdered and granular sulfur, and then, a blowing assembly is used to blow air to the nozzle and the air guide pipe, and the wind sprayed from the nozzle blows downward in the direction of a discharge port, thereby causing the powdered sulfur adhering to the granular sulfur to separate and enter the inside of the flow guide channel, thereby accelerating the separation speed and improving the separation efficiency, and at the same time, under the action of the air guide pipe, the inside of the flow guide channel is blown laterally in the direction toward the discharge port, thereby accelerating the outflow speed of the powdered sulfur in the flow guide channel under the action of the oblique downward and horizontal blowing, thereby accelerating the feeding speed of the sulfur. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0019] Figure 1 It is a three-dimensional diagram of a feeding device for sulfur combustion according to an embodiment of the utility model;

[0020] Figure 2 According to an embodiment of the present utility model Figure 1 A magnified view of middle;

[0021] Figure 3 It is a front cross-sectional view of a feeding device for sulfur combustion according to an embodiment of the utility model;

[0022] Figure 4 It is a top cross-sectional view of a crushing box in a feeding device for sulfur combustion according to an embodiment of the utility model;

[0023] Figure 5 It is a three-dimensional diagram of the connection between a feed cylinder and a filter screen in a feed device for sulfur combustion according to an embodiment of the utility model;

[0024] Figure 6 It is a three-dimensional diagram of a filter screen in a feeding device for sulfur combustion according to an embodiment of the utility model;

[0025] In the figure: 1. feed barrel; 101. discharge port; 102. fixed groove; 103. connecting groove; 104. connecting groove; 2. air guide plate; 21. arc-shaped guide plate; 22. connecting plate; 3. air guide duct; 4. drive motor; 5. nozzle; 51. connecting pipe; 6. air dispersion plate; 61. connecting column; 62. air outlet; 7. feed pipe; 71. sealing ring; 8. motor speed regulator; 9. crushing box; 91. crushing roller; 92. gear; 10. crushing motor; 11. feed hopper; 12. fan; 13. filter screen; 131. arc-shaped mesh segment; 132. fixed mesh segment; 14. guide channel; 15. spiral conveyor shaft. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] like Figure 1 As shown, the utility model provides a technical solution: a feeding device for sulfur combustion, comprising:

[0028] A feed barrel 1 with closed ends, a drive motor 4 is provided at one end of the feed barrel 1, a screw conveying shaft 15 placed inside the feed barrel 1 is provided on the output shaft of the drive motor 4, a discharge port 101 is provided at the other end of the feed barrel 1, a feed pipe 7 is provided at the top of the feed barrel 1, a crushing box 9 for crushing sulfur is provided at the top of the feed pipe 7, a feed hopper 11 is provided at the top of the crushing box 9, and a bearing is provided at the connection between the screw conveying shaft 15 and the feed barrel 1;

[0029] A connecting groove 104 is provided at the bottom of the feed barrel 1, a filter screen 13 for filtering sulfur is provided at the bottom of the connecting groove 104, a wind guide plate 2 is provided on the side wall of the feed barrel 1 and is placed below the filter screen 13, a flow guide channel 14 is formed between the inner wall of the wind guide plate 2 and the side wall of the filter screen 13, a plurality of air guide pipes 3 are provided on the side of the wind guide plate 2 away from the discharge port 101, a plurality of nozzles 5 inclined downward toward the discharge port 101 and connected to the upper side of the inner wall of the feed barrel 1 are provided at the top of the feed barrel 1, and a blowing assembly for supplying air to the plurality of nozzles 5 and the plurality of air guide pipes 3 is provided at the top of the feed barrel 1. This design allows sulfur to enter the crushing box 9 from the feed hopper 11 for crushing, and the crushed sulfur enters the feed barrel 1, and at the same time, the drive motor 4 is driven to drive the screw conveying shaft 15 to rotate to supply air to the crushed sulfur Sulfur is transported, thereby causing the sulfur to rotate between the filter screen 13 and the feed tube 1, and the powdered sulfur flows out of the filter screen 13 into the inside of the guide channel 14, while the granular sulfur remains in the filter screen 13, thereby facilitating the separation of the powdered and granular sulfur. Then, the blowing assembly is used to blow air to the nozzle 5 and the air guide pipe 3, and the wind sprayed from the nozzle 5 blows downward in the direction of the discharge port 101, thereby causing the powdered sulfur adhering to the granular sulfur to separate and enter the inside of the guide channel 14, thereby accelerating the separation speed and improving the separation efficiency. At the same time, under the action of the air guide pipe 3, the inside of the guide channel 14 is blown horizontally in the direction of the discharge port 101, thereby accelerating the outflow speed of the powdered sulfur in the guide channel 14 under the action of the oblique downward and horizontal blowing, thereby accelerating the feeding speed of the sulfur.

[0030] Reference Figure 1 , Figure 2 and Figure 6 A pair of fixing grooves 102 are symmetrically opened at the bottom of the feed barrel 1, and a pair of connecting grooves 103 are symmetrically opened on the side wall of the feed barrel 1;

[0031] The filter screen 13 includes a fixed mesh segment 132 disposed inside a pair of fixed grooves 102, and an arc-shaped mesh segment 131 is disposed between the bottoms of the pair of fixed mesh segments 132, wherein the filter screen 13 is disposed below the discharge port 101, and the discharge port 101 is a portion of the opening at the end of the feed barrel 1 for the convenience of discharge, and can also block a portion of the granular sulfur, reduce its outflow speed, and fully separate the powder and granular sulfur, and can also block a portion of the wind, so that the wind flows out from between the discharge port 101 and the guide channel 14;

[0032] The air guide plate 2 includes a connecting plate 22 arranged inside a pair of connecting grooves 103, and an arc-shaped guide plate 21 placed below the arc-shaped mesh segment 131 is arranged between the bottom of the pair of connecting plates 22. This design facilitates the connection between the air guide plate 2 and the filter screen 13 and the feed barrel 1. The air guide plate 2 and the filter screen 13 can be fixedly connected to the feed barrel 1 using bolts or by welding, wherein the end of the air guide plate 2 away from the feed port is in a closed state.

[0033] Reference Figure 2 and Figure 4 The upper end surface of the arc segment 131 matches the lower end surface of the connecting groove 104, which improves the rationality of the design.

[0034] Reference Figure 1 and Figure 3 The blowing assembly includes a pair of connecting columns 61 symmetrically arranged on the top of the feed barrel 1, a diffuser plate 6 sleeved on the side wall of the discharge pipe 7 is arranged between the tops of the pair of connecting columns 61, a plurality of air outlets 62 are opened at the bottom of the diffuser plate 6, a connecting pipe 51 is arranged between the air outlet 62 and the nozzle 5, and a fan 12 for supplying air to the plurality of air outlets 62 and the plurality of air guide pipes 3 is arranged on the top of the diffuser plate 6. This design facilitates the supply of air to the diffuser plate 6 by using the fan 12, so that the gas flows through the plurality of air outlets 62 and the plurality of air guide pipes 3 respectively, wherein the connecting pipe 51 is a hose for easy connection, and valves can be arranged on the connecting pipe 51 and the air guide pipe 3 to control the flow rate of the airflow.

[0035] Reference Figure 3 The air guide 3 is connected to the air dispersion plate 6, and a hollow groove is opened inside the air dispersion plate 6 for connecting the fan 12 with multiple air outlets 62 and multiple air guides 3 respectively. This design makes it easier for the wind blown by the fan 12 to enter the multiple air outlets 62 and the inside of the air guide 3 by using the hollow groove.

[0036] Reference Figure 1 and Figure 3 A sealing ring 71 is provided at the connection between the feed pipe 7 and the air dispersion plate 6. This design improves the sealing performance of the connection by using the sealing ring 71 and avoids air leakage at the connection.

[0037] Reference Figure 3 and Figure 4 A pair of rotatable crushing rollers 91 are arranged inside the crushing box 9, and the pair of crushing rollers 91 are connected to each other through gears 92. Bearings are arranged at the connection between the pair of crushing rollers 91 and the crushing box 9. A crushing motor 10 connected to one of the crushing rollers 91 is arranged on the side wall of the crushing box 9. This design enables the crushing motor 10 to work and drive the pair of crushing rollers 91 to rotate under the action of the gears 92, thereby crushing the sulfur.

[0038] Reference Figure 1 A motor speed regulator 8 for adjusting the rotation speed of the driving motor 4 is provided on the side wall of the crushing box 9. This design facilitates adjusting the rotation speed of the driving motor 4 by using the motor speed regulator 8, thereby controlling the rotation speed of the spiral conveying shaft 15, thereby increasing the discharge speed of the discharge port 101 and increasing the feeding speed of sulfur. The feeding speed here is the speed entering the combustion place, wherein the motor speed regulator 8 adjusts the rotation speed of the driving motor 4, which is the prior art.

[0039] Reference Figure 1-Figure 6 As an embodiment of the present utility model: when it is necessary to feed sulfur into the combustion furnace for feeding, the staff allows the sulfur to enter the crushing box 9 from the feed hopper 11, and at the same time, the crushing motor 10 is operated to drive a pair of crushing rollers 91 to rotate under the action of the gear 92, so as to crush the sulfur, and the crushed sulfur enters the feed barrel 1 from the feed pipe 7, and at the same time, the drive motor 4 is operated to drive the spiral conveying shaft 15 to rotate to spirally convey the sulfur toward the discharge port 101, and the sulfur is turned over inside the feed barrel 1. Under the action of the filter screen 13, the powdered sulfur and the granular sulfur are separated, and the powdered sulfur flows into the guide channel 14, and the granular sulfur remains in the filter screen 13, and the fan 12 in the blowing assembly is operated to disperse the wind plate 6 Air is supplied to multiple nozzles 5 and multiple guide tubes under the action of the hollow groove. The wind ejected from the nozzle 5 is blown downward in the direction of the discharge port 101, so that the powdered sulfur adhering to the particles is separated and enters the guide channel 14, thereby accelerating the separation speed and improving the separation efficiency. At the same time, under the action of the air guide tube 3, the inside of the guide channel 14 is blown horizontally in the direction of the discharge port 101, so that under the action of the oblique downward and horizontal blowing, the outflow speed of the powdered sulfur in the guide channel 14 is accelerated, thereby accelerating the sulfur feeding speed. At the same time, under the action of the nozzle 5 blowing obliquely downward, the powdered sulfur in the guide channel 14 can be suppressed from passing through the filter screen 13 and entering the feed barrel 1, thereby enhancing the sulfur feeding effect and improving the practicality of the utility model.

[0040] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0041] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A feeding device for sulfur combustion, comprising: A feeding barrel (1) with closed ends, wherein a driving motor (4) is arranged at one end of the feeding barrel (1), a screw conveying shaft (15) disposed inside the feeding barrel (1) is arranged on the output shaft of the driving motor (4), a discharge port (101) is arranged at the other end of the feeding barrel (1), a discharge pipe (7) is arranged at the top of the feeding barrel (1), a crushing box (9) for crushing sulfur is arranged at the top of the discharge pipe (7), and a feeding hopper (11) is arranged at the top of the crushing box (9); It is characterized in that The bottom of the feed barrel (1) is provided with a connecting groove (104), the bottom of the connecting groove (104) is provided with a filter screen (13) for filtering sulfur, the side wall of the feed barrel (1) is provided with an air guide plate (2) placed below the filter screen (13), a guide channel (14) is formed between the inner wall of the air guide plate (2) and the side wall of the filter screen (13), a plurality of air guide pipes (3) are provided on the side of the air guide plate (2) away from the discharge port (101), a plurality of nozzles (5) inclined downward toward the discharge port (101) and connected to the upper side of the inner wall of the feed barrel (1) are provided at the top of the feed barrel (1), and a blowing assembly for supplying air to the plurality of nozzles (5) and the plurality of air guide pipes (3) is provided at the top of the feed barrel (1).

2. A feeding device for sulfur combustion according to claim 1, characterized in that: The bottom of the feed barrel (1) is symmetrically provided with a pair of fixing grooves (102), and the side wall of the feed barrel (1) is symmetrically provided with a pair of connecting grooves (103); The filter screen (13) comprises a fixed screen segment (132) arranged inside a pair of fixed grooves (102), and an arc-shaped screen segment (131) is arranged between the bottoms of the pair of fixed screen segments (132); The air guide plate (2) comprises a connecting plate (22) arranged inside a pair of connecting grooves (103), and an arc-shaped guide plate (21) disposed below the arc-shaped mesh segment (131) is arranged between the bottoms of the pair of connecting plates (22).

3. A feeding device for sulfur combustion according to claim 2, characterized in that: The upper end surface of the arc-shaped network segment (131) matches the lower end surface of the connecting groove (104).

4. A feeding device for sulfur combustion according to claim 1, characterized in that: The blowing assembly comprises a pair of connecting columns (61) symmetrically arranged at the top of the feeding barrel (1); a wind dispersion plate (6) sleeved on the side wall of the discharge pipe (7) is arranged between the tops of the pair of connecting columns (61); a plurality of air outlets (62) are provided at the bottom of the wind dispersion plate (6); a connecting pipe (51) is provided between the air outlet (62) and the nozzle (5); and a fan (12) for supplying air to the plurality of air outlets (62) and the plurality of air guide pipes (3) is provided at the top of the wind dispersion plate (6).

5. A feeding device for sulfur combustion according to claim 4, characterized in that: The air guide duct (3) is connected to the air dispersion plate (6), and a hollow groove is provided inside the air dispersion plate (6) for connecting the fan (12) to the plurality of air outlets (62) and the plurality of air guide ducts (3) respectively.

6. A feeding device for sulfur combustion according to claim 5, characterized in that: A sealing ring (71) is provided at the connection between the feed pipe (7) and the air dispersion plate (6).

7. A sulfur combustion feeding device according to claim 1, characterized in that: A pair of rotatable crushing rollers (91) are arranged inside the crushing box (9); the pair of crushing rollers (91) are connected to each other via gears (92); bearings are arranged at the connection between the pair of crushing rollers (91) and the crushing box (9); and a crushing motor (10) connected to one of the crushing rollers (91) is arranged on the side wall of the crushing box (9).

8. A feeding device for sulfur combustion according to claim 1, characterized in that: The side wall of the crushing box (9) is provided with a motor speed regulator (8) for adjusting the rotation speed of the driving motor (4).

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