Automatic material distribution device of petroleum coke calcining furnace

Abstract

An automatic material distributing device of a petroleum coke calcining furnace comprises a stock bin and the petroleum coke calcining furnace, the petroleum coke calcining furnace is located below the stock bin, a material distributing device is arranged between the stock bin and the petroleum coke calcining furnace, the material distributing device comprises a transition section, a bearing, a supporting plate, a rotating groove and a rotating groove driving device, and the transition section is located below the stock bin; the bearing is arranged between the supporting plate and the transition section, the rotating groove is fixedly connected to the lower portion of the transition section, the rotating groove driving device drives the rotating groove to rotate around the axis of the transition section, the rotating groove is provided with an inclined blocking device capable of changing the discharging direction of raw materials, and the petroleum coke calcining furnace is located on the lower portion of an outlet of the rotating groove. According to the automatic material distributing device for the petroleum coke calcining furnace, through the rotating groove driving device and the inclined blocking device arranged on the rotating groove, the material distributing precision and the calcining efficiency are improved; by arranging the telescopic cylinder, the adjusting speed of the discharging direction of the raw materials is increased; and heat insulation layers are arranged on the upper baffle and the lower baffle, so that the service life of the inclined blocking device is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of petroleum coke calcining furnaces, in particular to an automatic material distribution device for a petroleum coke calcining furnace. Background Art

[0002] Petroleum coke calcining furnace is a device used to produce petroleum coke. Petroleum coke is an important petrochemical product, widely used in aluminum electrolysis, steel, foundry and other industries. Petroleum coke calcining furnace calcines crude oil residue or petroleum residue oil at high temperature to volatilize impurities and volatiles, while increasing its calorific value, density and hardness, and finally obtaining high-quality petroleum coke products. Petroleum coke calcining furnace usually adopts indirect heating method, and the distribution accuracy of raw materials will affect the efficiency of calcination.

[0003] Existing petroleum coke calcining furnaces usually use manual feeding, which results in uneven feeding and affects the calcination efficiency of petroleum coke. Therefore, it is of great significance to study a new type of automatic feeding device for petroleum coke calcining furnaces and solve the above problems in order to improve the feeding accuracy and calcination efficiency of petroleum coke raw materials. Utility Model Content

[0004] In order to solve the above-mentioned problems, the utility model provides an automatic feeding device for a petroleum coke calcining furnace. The automatic feeding device for the petroleum coke calcining furnace can realize automatic feeding of petroleum coke by means of a chute driving device and a tilting device arranged on the chute, thereby improving the feeding accuracy and calcination efficiency of the petroleum coke raw materials; the telescopic cylinder arranged in the tilting device can realize rapid rotation of the lower baffle plate, thereby improving the adjustment speed of the raw material discharge direction; and by arranging a heat insulating layer on the side of the upper baffle plate and the lower baffle plate close to the petroleum coke calcining furnace, the telescopic cylinder can be effectively protected and the service life of the tilting device is improved.

[0005] The technical solution of the utility model is as follows:

[0006] An automatic material distribution device for a petroleum coke calcining furnace, comprising a silo and a petroleum coke calcining furnace, wherein the petroleum coke calcining furnace is located below the silo, a material distribution device is arranged between the silo and the petroleum coke calcining furnace, the material distribution device comprises a transition section, a bearing, a support plate, a chute and a chute driving device, the transition section is located below the silo, the bearing is arranged between the support plate and the transition section, the chute is fixedly connected below the transition section, the chute driving device drives the chute to rotate around the axis of the transition section, a tilting device capable of changing the discharging direction of raw materials is arranged on the chute, and the petroleum coke calcining furnace is located at the lower part of the outlet of the chute;

[0007] The slot-changing driving device comprises a motor reducer, a driving wheel and a driven wheel. The motor reducer is fixedly mounted on a support plate, the driving wheel is fixedly connected to an output shaft of the motor reducer, the driven wheel is coaxially mounted on a transition section, and the driving wheel meshes with the driven wheel.

[0008] In order to improve the radial and axial load-bearing capacity, the bearing is a thrust ball bearing.

[0009] The rotating trough is made of a rectangular hollow tube.

[0010] In order to improve the corrosion resistance of the trough and extend the service life of the pipe, the trough is made of galvanized pipe.

[0011] The tilting device includes a connecting plate, a telescopic cylinder, an upper baffle, a rotating sleeve, a rotating shaft and a lower baffle. The connecting plate is fixedly connected to the outer wall of the rotating groove. The two ends of the telescopic cylinder are respectively hinged to the connecting plate and the upper baffle. The rotating shaft is fixedly connected to the outlet end of the rotating groove. The rotating sleeve is clearance-matched with the rotating shaft. The outer wall of the rotating sleeve is respectively fixedly connected to the upper baffle and the lower baffle. The lower baffle is located at the outlet of the rotating groove. The upper baffle and the lower baffle rotate around the rotating shaft through the rotating sleeve.

[0012] In order to improve the adaptability to harsh working environments, the telescopic cylinder is a hydraulic cylinder.

[0013] Two telescopic cylinders are provided, which are respectively located at two ends of the upper baffle.

[0014] The included angle between the upper baffle and the lower baffle is 150°.

[0015] In order to effectively protect the telescopic cylinder and increase the service life of the tilting device, a heat insulation layer is provided on one side of the upper baffle plate and the lower baffle plate close to the petroleum coke calcining furnace.

[0016] There are four petroleum coke calcining furnaces, which are evenly distributed with the transition section as the axis.

[0017] The beneficial effects of the utility model are:

[0018] 1. The utility model discloses an automatic feeding device for a petroleum coke calcining furnace, which can realize automatic feeding of petroleum coke by means of a rotating trough driving device and a tilting device arranged on the rotating trough, thereby improving the feeding accuracy and calcining efficiency of the petroleum coke raw materials.

[0019] 2. The utility model discloses an automatic material distribution device for a petroleum coke calcining furnace, which can realize rapid rotation of the lower baffle plate through a telescopic cylinder arranged in a tilting device, thereby improving the adjustment speed of the raw material discharging direction.

[0020] 3. The utility model discloses an automatic material distribution device for a petroleum coke calcining furnace, which can effectively protect the telescopic cylinder and increase the service life of the tilting device by arranging a heat insulation layer on the side of the upper baffle plate and the lower baffle plate close to the petroleum coke calcining furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] By reading the detailed description of the preferred embodiment below, the scheme and advantages of the present application will become clear to those skilled in the art. The accompanying drawings are only used to illustrate the preferred embodiment and are not considered to be limiting of the present invention.

[0022] In the attached picture:

[0023] Figure 1 This is a schematic structural diagram of an automatic material distribution device for a petroleum coke calcining furnace according to an embodiment of the utility model;

[0024] Figure 2 for Figure 1 The enlarged schematic diagram of point Ⅰ in FIG.

[0025] Figure 3 for Figure 1 AA section view in;

[0026] Figure 4 for Figure 2 BB section view in.

[0027] The components represented by the reference numerals in the figure are:

[0028] The utility model: 1. a silo; 2. a transition section; 3. a bearing; 4. a motor reducer; 5. a support plate; 6. a driving wheel; 7. a driven wheel; 8. a rotating groove; 9. a tilting device; 9a. a connecting plate; 9b. a telescopic cylinder; 9c. an upper baffle; 9d. a rotating sleeve; 9e. a rotating shaft; 9f. a lower baffle; 10. a petroleum coke calcining furnace. DETAILED DESCRIPTION

[0029] like Figure 1As shown, an automatic material distribution device for a petroleum coke calcining furnace comprises a silo 1 and a petroleum coke calcining furnace 10, wherein the petroleum coke calcining furnace 10 is located below the silo 1, and a material distribution device is arranged between the silo 1 and the petroleum coke calcining furnace 10, wherein the material distribution device comprises a transition section 2, a bearing 3, a support plate 5, a rotating groove 8 and a rotating groove driving device, wherein the transition section 2 is located below the silo 1, and the bearing 3 is arranged between the support plate 5 and the transition section 2, and preferably, the bearing 3 is a thrust ball bearing; the structural design of the thrust ball bearing enables it to withstand larger radial and axial loads, has a higher load-bearing capacity, and has a thrust The ball bearing has self-aligning ability and can maintain stable operation under uneven force. The installation process is relatively simple and easier to maintain and replace. The rotating groove 8 is fixedly connected to the bottom of the transition section 2. Preferably, the rotating groove 8 is made of a rectangular hollow tube. The rectangular hollow tube is lighter in weight, convenient for transportation and installation, and has a reasonable structural design. It can withstand greater external pressure and load, has high strength and rigidity, and the installation process of the rectangular hollow tube is simple and fast, saving construction time and labor costs. The appearance is neat and beautiful, and the use cost is low. Preferably, the material of the rotating groove 8 is galvanized pipe, galvanized The surface of the pipe is plated with a layer of zinc, which can effectively prevent the pipe from being corroded by corrosive substances and extend the service life of the pipe; the surface of the galvanized pipe is smooth and flat, not easy to rust, easy to clean, and maintains a beautiful appearance. It is easy to process and can be cut, welded and processed as needed. It is suitable for various engineering needs. The price of galvanized pipe is relatively low, the cost is moderate, and it has a good cost performance ratio; the trough drive device drives the trough 8 to rotate around the axis of the transition section 2, and a tilting device 9 that can change the discharge direction of the raw materials is provided on the trough 8. The petroleum coke calcining furnace 10 is located at the lower part of the outlet of the trough 8; preferably, the The petroleum coke calcining furnace 10 is provided with four, evenly distributed with the transition section 2 as the axis; the trough driving device includes a motor reducer 4, a driving wheel 6 and a driven wheel 7, the motor reducer 4 is fixedly mounted on the support plate 5, the driving wheel 6 is fixedly connected to the output shaft of the motor reducer 4, the driven wheel 7 is coaxially mounted on the transition section 2, and the driving wheel 6 is meshed with the driven wheel 7; the automatic feeding device of the petroleum coke calcining furnace can realize the automatic feeding of petroleum coke through the trough driving device and the tilting device arranged on the trough, thereby improving the feeding accuracy and calcination efficiency of the petroleum coke raw materials.

[0030] like Figures 1 to 4As shown, the tilting device 9 includes a connecting plate 9a, a telescopic cylinder 9b, an upper baffle 9c, a rotating sleeve 9d, a rotating shaft 9e and a lower baffle 9f. The connecting plate 9a is fixedly connected to the outer wall of the rotating groove 8, and the two ends of the telescopic cylinder 9b are respectively hinged to the connecting plate 9a and the upper baffle 9c. Preferably, the telescopic cylinder 9b is a hydraulic cylinder, which can achieve high power output in a small space, high power density, precise position control and motion control capabilities, and can achieve high-precision motion control; the hydraulic cylinder has a fast response speed and rapid action, can quickly achieve the actions required in the working process, has a simple structure, a long service life, and is easy to maintain. The hydraulic cylinder can adapt to harsh working environments, such as high temperature, high pressure, corrosion and other environments and can still work normally; preferably, the telescopic cylinder 9b is provided with two, which are respectively located at the two ends of the upper baffle 9c; the rotating shaft 9e is fixedly connected to the outlet end of the rotating groove 8, The rotating sleeve 9d is clearance-matched with the rotating shaft 9e, and the outer wall of the rotating sleeve 9d is fixedly connected to the upper baffle 9c and the lower baffle 9f respectively. Preferably, the angle between the upper baffle 9c and the lower baffle 9f is 150°; preferably, a heat insulation layer is provided on the side of the upper baffle 9c and the lower baffle 9f close to the petroleum coke calcining furnace 10, and the heat insulation layer can effectively protect the telescopic cylinder, thereby increasing the service life of the tilting device and reducing maintenance costs and repair frequency; the lower baffle 9f is located at the outlet of the rotating trough 8, and the upper baffle 9c and the lower baffle 9f rotate around the rotating shaft 9e through the rotating sleeve 9d; the automatic feeding device of the petroleum coke calcining furnace can realize the rapid rotation of the lower baffle through the telescopic cylinder provided in the tilting device, thereby increasing the adjustment speed of the discharge direction of the raw materials; by providing a heat insulation layer on the side of the upper baffle and the lower baffle close to the petroleum coke calcining furnace, the telescopic cylinder can be effectively protected and the service life of the tilting device can be increased.

[0031] like Figures 1 to 4As shown, when in use, the motor reducer 4 is started, the motor reducer 4 drives the driving wheel 6 to rotate, the driving wheel 6 is meshed with the driven wheel 7, and drives the driven wheel 7 to rotate, and the driven wheel 7 is fixed on the transition section 2. The transition section 2 rotates to drive the rotating groove 8 to rotate until the outlet of the rotating groove 8 is aligned with the corresponding petroleum coke calcining furnace 10. At this time, the motor reducer 4 is stopped, and the telescopic cylinder 9b is adjusted according to the need of material distribution. The extension or shortening of the telescopic cylinder 9b drives the upper baffle 9c, the lower baffle 9f and the rotating sleeve 9d to rotate forward or reversely around the rotating shaft 9e, thereby adjusting the angle between the lower baffle 9f and the outlet of the rotating groove 8; then the original The material enters the transition section 2 through the silo 1, and enters the chute 8 through the transition section 2. The raw materials entering the chute 8 are blocked by the lower baffle 9f at the outlet, and the moving angle is changed and enters the petroleum coke calcining furnace 10. The automatic feeding device of the petroleum coke calcining furnace can realize the automatic feeding of petroleum coke through the chute driving device and the tilting device arranged on the chute, thereby improving the feeding accuracy and calcination efficiency of the petroleum coke raw materials; the telescopic cylinder arranged in the tilting device can realize the rapid rotation of the lower baffle, thereby improving the adjustment speed of the raw material discharge direction.

Claims

1. An automatic material distribution device for a petroleum coke calcining furnace, comprising a silo (1) and a petroleum coke calcining furnace (10), wherein the petroleum coke calcining furnace (10) is located below the silo (1), and is characterized in that: A material distribution device is provided between the silo (1) and the petroleum coke calcining furnace (10), the material distribution device comprising a transition section (2), a bearing (3), a support plate (5), a chute (8) and a chute driving device, the transition section (2) being located below the silo (1), the bearing (3) being arranged between the support plate (5) and the transition section (2), the chute (8) being fixedly connected below the transition section (2), the chute driving device driving the chute (8) to rotate around the axis of the transition section (2), a tilting device (9) being arranged on the chute (8) for changing the discharge direction of the raw materials, and the petroleum coke calcining furnace (10) being located at the lower part of the outlet of the chute (8); The groove-changing driving device comprises a motor reducer (4), a driving wheel (6) and a driven wheel (7); the motor reducer (4) is fixedly mounted on a support plate (5); the driving wheel (6) is fixedly connected to an output shaft of the motor reducer (4); the driven wheel (7) is coaxially mounted on a transition section (2); and the driving wheel (6) is meshed with the driven wheel (7).

2. The automatic material distribution device for a petroleum coke calcining furnace according to claim 1, characterized in that: The bearing (3) is a thrust ball bearing.

3. The automatic material distribution device for a petroleum coke calcining furnace according to claim 1, characterized in that: The rotating trough (8) is made of a rectangular hollow tube.

4. The automatic material distribution device for a petroleum coke calcining furnace according to claim 1, characterized in that: The material of the transfer trough (8) is a galvanized pipe.

5. The automatic material distribution device for a petroleum coke calcining furnace according to claim 1, characterized in that: The tilting device (9) comprises a connecting plate (9a), a telescopic cylinder (9b), an upper baffle (9c), a rotating sleeve (9d), a rotating shaft (9e) and a lower baffle (9f); the connecting plate (9a) is fixedly connected to the outer wall of the rotating groove (8); the two ends of the telescopic cylinder (9b) are respectively hinged to the connecting plate (9a) and the upper baffle (9c); the rotating shaft (9e) is fixedly connected to the outlet end of the rotating groove (8); the rotating sleeve (9d) and the rotating shaft (9e) are clearance-matched; the outer wall of the rotating sleeve (9d) is respectively fixedly connected to the upper baffle (9c) and the lower baffle (9f); the lower baffle (9f) is located at the outlet of the rotating groove (8); the upper baffle (9c) and the lower baffle (9f) rotate around the rotating shaft (9e) through the rotating sleeve (9d).

6. The automatic material distribution device for a petroleum coke calcining furnace according to claim 5, characterized in that: The telescopic cylinder (9b) is a hydraulic cylinder.

7. The automatic material distribution device for a petroleum coke calcining furnace according to claim 5, characterized in that: Two telescopic cylinders (9b) are provided, respectively located at the two ends of the upper baffle (9c).

8. The automatic material distribution device for a petroleum coke calcining furnace according to claim 5, characterized in that: The included angle between the upper baffle plate (9c) and the lower baffle plate (9f) is 150°.

9. The automatic material distribution device for a petroleum coke calcining furnace according to claim 5, characterized in that: A heat insulation layer is provided on one side of the upper baffle plate (9c) and the lower baffle plate (9f) close to the petroleum coke calcining furnace (10).

10. The automatic material distribution device for a petroleum coke calcining furnace according to claim 1, characterized in that: The petroleum coke calcining furnaces (10) are provided in four numbers and are evenly distributed with the transition section (2) as the axis.

Images