A feeding and distributing device for the charging inlet of a petroleum coke tank

Abstract

A pusher and distributor device for the charging port of a petroleum coke tank, comprising a main body frame, traveling wheels, anti-tilting rollers, a reduction motor, a driving gear, a screw elevator, a lifting slide rail, a lifting hinge slide seat, a cloth pushing rod component, a push rod support wheel, a sealing component, and a sliding track, a pin rack, a support section steel, and an anti-tilting track fixed to the ground. The reduction motor fixed to the main body frame drives the driving gear and the pin rack to provide traction for the equipment, that is, the horizontal thrust of the push rod. The screw elevator drives the lifting hinge seat installed on the lifting slide rail and hinged to the tail of the cloth pushing rod component to control the pushing and retracting angles of the push rod. In the process of removing coke from petroleum coke, the present invention restricts the range of the pusher and distributor actions of the petroleum coke at the charging port of the coke tank and makes it automatically controllable, avoiding the open large-range transfer of the grab bucket, and is an important device for realizing the sealing of the coke tank.

Description

Technical Field

[0001] The present invention relates to the technical field of delayed coking units, and specifically to a pusher and distributor device for the charging port of a petroleum coke tank. Background Art

[0002] During the use of hydraulic coke removal in a delayed coking unit, when the discharged coke enters an open-air coke tank through a coke chute, it will gradually accumulate at the outlet of the coke chute, affecting subsequent discharging. The conventional treatment method in the prior art is to use a grab crane to dump the accumulated coke, and then transfer it for the next process after dehydration is completed.

[0003] However, with the current open-air setting of the coke tank, during the large-scale dumping process, the coke spillage, the dust and the volatile odor released during the raising of the coke cannot be controlled, causing inevitable pollution to the surrounding environment. Therefore, a closed coke tank that is not easily polluting to the environment is the development direction of hydraulic coke removal.

[0004] Different from the open coke tank that can perform large-scale grab operations, how to cooperate with the structure of the closed coke tank to better distribute the coke near the coke chute, so as to automatically control the range of the distribution transfer action is necessary for the automation and environmental protection of hydraulic coke removal. Summary of the Invention

[0005] The technical objective of the present invention is to provide a device that can cooperate with closed coke removal operations, can better push and distribute the petroleum coke at the charging port of the coke tank, realize the automatic controllability and range constraint of the distribution transfer action, so as to avoid the environmental pollution problems caused by the large-scale open transfer of the grab, and realize the standardization and environmental protection of the hydraulic coke removal process.

[0006] The technical solution adopted by the present invention to solve the above technical problems is as follows: A pushing and distributing device for the feeding port of a petroleum coke tank, comprising a main body frame, a traveling assembly, a driving assembly, an anti-tilting assembly, an angle adjustment assembly, a distributing assembly, and a sealing assembly. The main body frame is composed of a horizontally arranged chassis frame and a thrust frame fixed on the chassis frame. The traveling assembly includes a plurality of traveling wheels symmetrically arranged on the left and right below the chassis frame and two sliding tracks arranged on the ground outside the petroleum coke tank. The driving assembly is arranged on the chassis frame and is used to drive the entire main body frame to slide on the sliding tracks. The anti-tilting assembly is arranged below the chassis frame and is used to prevent the main body frame from tilting when sliding on the sliding tracks. The angle adjustment assembly includes a lifting slide rail, a slider, a lifting hinge slide seat, and a screw jack. Among them, the lifting slide rail is vertically arranged on the thrust frame, the slider is installed on the lifting slide rail, one end of the lifting hinge slide seat is hinged to the distributing assembly, and the other end is fixed to the slider. The screw jack includes a vertically arranged lead screw and a ball nut arranged in a matching manner on the lead screw. The ball nut is connected to the lifting hinge slide seat, so that the movement of the ball nut on the lead screw can drive the distributing assembly to perform up and down angle adjustment;

[0007] The distributing assembly includes a distributing push rod and a push rod support. The distributing push rod is in the shape of a horizontally arranged long rod. One end of the long rod-shaped distributing push rod is hinged to the lifting hinge slide seat, and the other end extends into the interior of the petroleum coke tank through a preset wall hole on the side wall of the petroleum coke tank. And a distributing plate for pushing and distributing materials is further arranged at the end of the end extending into the petroleum coke tank. The push rod support is arranged in the wall hole of the petroleum coke tank. The push rod support is composed of a push rod support wheel and a push rod limit bracket. The push rod support wheel and the push rod limit bracket respectively support the distributing push rod from the lower part and upper part and limit the angle during material distribution;

[0008] The sealing assembly is sleeved on the outer circumference of the distributing push rod and is slidably arranged on the inner side of the petroleum coke tank at the wall hole, and is used to seal the wall hole when the distributing assembly is working.

[0009] Preferably, the chassis frame is in a rectangular frame structure. The thrust frame is welded and fixed at the center of the upper surface of the chassis frame, and the thrust frame and the chassis frame form a double triangular structure.

[0010] Preferably, the anti-tilting assembly includes a support section steel, an anti-tilting track, and anti-tilting rollers. Among them, the support section steel is fixed between the two sliding tracks and is arranged parallel to the two sliding tracks. The anti-tilting track is installed on the support section steel. The anti-tilting rollers are arranged below the chassis frame, and the anti-tilting rollers are in rolling contact with the anti-tilting track.

[0011] Preferably, the driving assembly includes a reduction motor, a driving gear, and a pin rack. The pin rack is fixed on the supporting steel section. The reduction motor drives the main body frame to slide on the sliding track and the anti-warping track through the transmission of the driving gear and the pin rack.

[0012] Preferably, both the reduction motor and the driving gear are fixed on the chassis frame.

[0013] Preferably, the bottom of the screw lift is fixed on the chassis frame, and the top of the lead screw in the screw lift is fixed on the thrust frame through a sliding bearing seat.

[0014] Preferably, the lifting slide rail and the slider in the angle adjustment assembly are in the form of double rails and double sliders.

[0015] Preferably, the rod body cross-section of the cloth pusher is circular, and the end of the cloth pusher is hinged to the lifting hinge sliding seat through a hinge seat. The pusher support wheel is an arc-shaped wire groove wheel, and the radius of the arc line of the arc-shaped wire groove wheel is the same as the radius of the rod body of the cloth pusher.

[0016] Preferably, the cloth plate is arranged perpendicular to the central axis of the cloth pusher, and a claw-shaped connecting piece is also arranged between the cloth plate and the cloth pusher.

[0017] Preferably, the sealing assembly includes a sealing fixed bottom plate and a sliding pressing plate. The sealing fixed bottom plate is fixed on the side wall of the petroleum coke tank. The sliding pressing plate is fixed on the sealing fixed bottom plate through bolts, and there is a certain gap between the two through a gasket. A rod-following sliding piece is arranged in this gap. The rod-following sliding piece is composed of a sliding plate, a flexible seal, and a sealing pressing plate that are sequentially sleeved on the cloth pusher. The sealing pressing plate fixes the flexible seal on the sliding plate, so that the whole rod-following sliding piece can slide in the gap between the sealing fixed bottom plate and the sliding pressing plate under the drive of the cloth pusher.

[0018] Advantages of the present invention:

[0019] The pusher and cloth spreading device for the charging opening of the petroleum coke tank of the present invention has a simple structure and reasonable design. The pusher and cloth spreading device can cooperate with the sealed coke tank to confine the whole cloth transfer movement within a closed environment, avoiding the environmental pollution problems caused by the open large-scale operation of the grab. It is an important equipment foundation for realizing the sealing of the coke tank. The standardized pusher and cloth spreading actions not only avoid the accumulation of coke at the coke chute but also achieve automatic controllability. Therefore, it has a high degree of automation, high safety and reliability, and improves the production efficiency and environmental protection of the hydraulic coke removal process. Description of the Drawings

[0020] Figure 1 It is the main structural schematic view of the present invention;

[0021] Figure 2 It is a schematic top view of the structure of the present invention;

[0022] Figure 3 It is a schematic left view of the structure of the present invention;

[0023] Figure 4 It is a schematic diagram of the structure of the main body frame;

[0024] Figure 5 It is a schematic diagram of the structure of the push rod support wheel;

[0025] Figure 6 It is a partially enlarged schematic diagram of the structure of the angle adjustment component;

[0026] Figure 7 It is a schematic diagram of the structure of the sealing component;

[0027] Reference numerals: 1, reduction motor; 2, driving gear; 3, lifting slide rail; 301, slider; 4, lifting hinge slide seat; 5, cloth push rod; 501, cloth plate; 6, push rod limit bracket; 7, sealing component; 701, sealing fixed bottom plate; 702, sliding pressure plate; 703, sliding plate; 704, flexible seal; 705, sealing pressure plate; 8, push rod support wheel; 9, anti-tilting roller; 10, screw elevator; 1001, ball nut; 1002, sliding bearing seat; 11, main body frame; 1101, chassis frame; 1102, thrust frame; 12, walking wheel; 13, pin rack; 14, sliding track; 15, anti-tilting track; 16, support section steel. Detailed implementation manners

[0028] The following describes the detailed implementation manners of the present invention with reference to the accompanying drawings:

[0029] As shown in the figure, a material pushing and cloth distributing device for the charging port of a petroleum coke tank of the present invention includes a main body frame 11, a walking assembly, a driving assembly, an anti-tilting assembly, an angle adjustment assembly, a cloth distributing assembly, and a sealing assembly 7;

[0030] The main body frame 11 is composed of a horizontally arranged chassis frame 1101 and a thrust frame 1102 fixed on the chassis frame 1101. The chassis frame 1101 has a rectangular frame structure and is formed by welding. The thrust frame 1102 is welded and fixed at the center of the upper surface of the chassis frame 1101, and the thrust frame 1102 and the chassis frame 1101 form a double triangular structure body.

[0031] The walking assembly includes a plurality of walking wheels 12 symmetrically arranged on the left and right below the chassis frame 1101 and two sliding tracks 14 arranged on the ground outside the petroleum coke tank.

[0032] The anti-tilting component is arranged under the chassis frame 1101 and is used to prevent tilting when the main frame 11 slides on the sliding track 14. The anti-tilting component includes a support section steel 16, an anti-tilt track 15 and anti-tilting rollers 9. Among them, the support section steel 16 is fixed between the two sliding tracks 14 and is arranged parallel to the two sliding tracks 14. The anti-tilt track 15 is installed on the support section steel 16. The anti-tilting rollers 9 are arranged at the central position under the chassis frame 1101, and the anti-tilting rollers 9 are in rolling contact with the anti-tilt track 15.

[0033] The driving component is arranged on the chassis frame 1101 and is used to drive the entire main frame 11 to slide on the sliding track 14. The driving component includes a reduction motor 1, a driving gear 2 and a pin rack 13. The reduction motor 1 and the driving gear 2 are both fixed on the chassis frame 1101. The pin rack 13 is fixed on the support section steel 16. The driving gear 2 is in transmission with the pin rack 13. Through the transmission of the reduction motor 1 by the driving gear 2 and the pin rack 13, the main frame 11 is driven to slide on the sliding track 14 and the anti-tilt track 15.

[0034] The angle adjustment component includes a lifting slide rail 3, a slider 301, a lifting hinge slide seat 4 and a screw jack 10. Among them, the lifting slide rail 3 is arranged vertically on the thrust frame 1102. The slider 301 is installed on the lifting slide rail 3 and adopts a double-rail and double-slider form. The middle part of the main frame 11 also supports and fixes the lifting slide rail 3 in a double-triangle form. One end of the lifting hinge slide seat 4 is hinged to the cloth component, and the other end is fixed to the slider 301. The screw jack 10 selects a ball screw nut form. The screw jack 10 includes a vertically arranged screw rod and a ball nut 1001 arranged on the screw rod in a matching manner. The bottom of the screw jack 10 is fixed on the chassis frame 1101. The top of the screw rod in the screw jack 10 is fixed on the thrust frame 1102 through a sliding bearing seat 1002. The ball nut 1001 is connected to the lifting hinge slide seat 4, so that the movement of the ball nut 1001 on the screw rod can drive the cloth component to adjust the up and down angle.

[0035] The described fabric component includes a fabric push rod 5 and a push rod support. The fabric push rod 5 is a horizontally arranged long rod-shaped structure. The cross-section of the rod body of the fabric push rod 5 is an annular shape. One end of the long rod-shaped fabric push rod 5 is hinged to the lifting hinge slide 4 through a hinge seat, and the other end extends into the inside of the petroleum coke tank through a wall hole preset on the side wall of the petroleum coke tank. And a fabric plate 501 for pushing and distributing materials is provided at the end of the end extending into the petroleum coke tank. The fabric plate 501 is perpendicular to the central axis of the fabric push rod 5, and a claw-shaped connecting piece is also provided between the fabric plate 501 and the fabric push rod 5. The described push rod support is arranged in the wall hole of the petroleum coke tank. The push rod support is composed of a push rod support wheel 8 and a push rod limit bracket 6. The push rod support wheel 8 and the push rod limit bracket 6 respectively support the fabric push rod 5 from the lower part and the upper part and limit the angle during material distribution. The described push rod support wheel 8 is an arc-shaped wire groove wheel, and the radius of the arc line of the arc-shaped wire groove wheel is the same as the radius of the rod body of the fabric push rod 5.

[0036] The described sealing component 7 is sleeved on the outer circumference of the fabric push rod 5, and it is slidably arranged on the inner side of the petroleum coke tank at the wall hole for sealing the wall hole when the fabric component works. The sealing component 7 includes a sealing fixed bottom plate 701 and a sliding pressure plate 702. The sealing fixed bottom plate 701 is fixed on the side wall of the petroleum coke tank. The sliding pressure plate 702 is fixed on the sealing fixed bottom plate 701 through bolts, and there is a certain gap between the two through a gasket. A rod-sliding part is arranged in this gap. The described rod-sliding part is composed of a sliding plate 703, a flexible seal 704 and a sealing pressure plate 705 that are sequentially sleeved on the fabric push rod 5. And the sealing pressure plate 705 fixes the flexible seal 704 on the sliding plate 703, so that the whole rod-sliding part can slide in the gap between the sealing fixed bottom plate 701 and the sliding pressure plate 702 under the drive of the fabric push rod 5.

[0037] When the material pushing and distributing device for the charging port of the petroleum coke tank of the present invention is specifically used, the device is installed on both sides of the coke chute of the petroleum coke tank. The fabric push rod 5 passes through the wall hole opened on the coke tank wall and extends deep into the inside of the petroleum coke tank. The reduction motor 1 fixed to the main body frame 11 drives the driving gear 2 and the pin rack 13 to provide traction for the equipment, realizing the extension and retraction of the fabric push rod 5. And the screw lift 10 controls the angle of the fabric push rod 5 when it is pushed out and retracted to avoid carrying materials when retracting. The present invention restricts the range of the material pushing and distributing action of the petroleum coke at the charging port of the coke tank during the coke removal process of the petroleum coke and makes it automatically controllable, avoiding the open large-range transfer of the grab. It is an important device for realizing the airtightness of the coke tank.

Claims

1. A material pushing and distributing device for the feeding port of a petroleum coke pool, comprising a main body frame (11), a traveling assembly, a driving assembly, an anti-tilting assembly, an angle adjusting assembly, a distributing assembly, and a sealing assembly (7). The main body frame (11) consists of a horizontally arranged chassis frame (1101) and a thrust frame (1102) fixed on the chassis frame (1101). The traveling assembly includes a plurality of traveling wheels (12) symmetrically arranged on the left and right below the chassis frame (1101) and two sliding tracks (14) arranged on the ground outside the petroleum coke pool. The driving assembly is arranged on the chassis frame (1101) and is used to drive the entire main body frame (11) to slide on the sliding tracks (14). The anti-tilting assembly is arranged below the chassis frame (1101) and is used to prevent the main body frame (11) from tilting when sliding on the sliding tracks (14). It is characterized in that: The described angle adjustment assembly includes a lifting slide rail (3), a slider (301), a lifting hinge slide seat (4), and a screw jack (10). Among them, the lifting slide rail (3) is vertically arranged on the thrust frame (1102), the slider (301) is installed on this lifting slide rail (3), one end of the lifting hinge slide seat (4) is hinged to the cloth component, and the other end is fixed to the slider (301). The screw jack (10) includes a vertically arranged lead screw and a ball nut (1001) arranged in a matching manner on the lead screw. The ball nut (1001) is connected to the lifting hinge slide seat (4), so that the movement of the ball nut (1001) on the lead screw can drive the cloth component to adjust the up and down angle; The described cloth component includes a cloth push rod (5) and a push rod support. The cloth push rod (5) is in the shape of a horizontally arranged long rod structure. One end of the long rod-shaped cloth push rod (5) is hinged to the lifting hinge slide seat (4), and the other end extends into the inside of the petroleum coke tank through a preset wall hole on the side wall of the petroleum coke tank. And a cloth plate (501) for pushing and distributing materials is also arranged at the end of the end extending into the petroleum coke tank. The described push rod support is arranged in the wall hole of the petroleum coke tank. The push rod support is composed of a push rod support wheel (8) and a push rod limit bracket (6). The push rod support wheel (8) and the push rod limit bracket (6) respectively support the cloth push rod (5) from the lower part and upper part and limit the angle during material distribution; The described sealing component (7) is sleeved on the outer circumference of the cloth push rod (5), and it is slidably arranged on the inner side of the petroleum coke tank at the wall hole for sealing the wall hole when the cloth component works.

2. The material pushing and distributing device for the feeding port of a petroleum coke pool according to claim 1, characterized in that: The described chassis frame (1101) is in the shape of a rectangular frame structure. The thrust frame (1102) is welded and fixed at the center of the upper surface of the chassis frame (1101), and the thrust frame (1102) and the chassis frame (1101) form a double triangular structure body.

3. The material pushing and distributing device for the feeding port of a petroleum coke pool according to claim 1, characterized in that: The described anti-tilting component includes a support section steel (16), an anti-tilting track (15), and anti-tilting rollers (9). Among them, the support section steel (16) is fixed between the two sliding tracks (14) and is arranged parallel to the two sliding tracks (14). The anti-tilting track (15) is installed on this support section steel (16). The anti-tilting rollers (9) are arranged below the chassis frame (1101), and the anti-tilting rollers (9) are in rolling contact with the anti-tilting track (15).

4. The material pushing and distributing device for the feeding port of a petroleum coke pool according to claim 3, characterized in that: The described drive component includes a reduction motor (1), a drive gear (2), and a pin rack (13). The pin rack (13) is fixed on the support section steel (16). The reduction motor (1) drives the main body frame (11) to slide on the sliding track (14) and the anti-tilting track (15) through the transmission of the drive gear (2) and the pin rack (13).

5. The material pushing and distributing device for the feeding port of a petroleum coke pool according to claim 4, characterized in that: The described reduction motor (1) and drive gear (2) are both fixed on the chassis frame (1101).

6. The material pushing and distributing device for the feeding port of a petroleum coke pool according to claim 1, characterized in that: The bottom of the described screw jack (10) is fixed on the chassis frame (1101), and the top of the lead screw in the screw jack (10) is fixed on the thrust frame (1102) through a sliding bearing seat (1002).

7. The material pushing and distributing device for the feeding port of a petroleum coke pool according to claim 1, characterized in that: The lifting slide rail (3) and the slider (301) in the described angle adjustment assembly are in the form of double tracks and double sliders.

8. The material pushing and distributing device for the feeding port of a petroleum coke pool according to claim 1, characterized in that: The rod body cross-section of the fabric pusher rod (5) is annular, and the end of the fabric pusher rod (5) is hinged to the lifting hinge sliding seat (4) through a hinge seat. The pusher support wheel (8) is an arc-shaped wire groove wheel, and the radius of the arc line of the arc-shaped wire groove wheel is the same as the radius of the rod body of the fabric pusher rod (5).

9. The material pushing and distributing device for the feeding port of a petroleum coke pool according to claim 1, characterized in that: The fabric plate (501) is arranged perpendicular to the central axis of the fabric pusher rod (5), and a claw-shaped connecting piece is also arranged between the fabric plate (501) and the fabric pusher rod (5).

10. The material pushing and distributing device for the feeding port of a petroleum coke pool according to claim 1, characterized in that: The sealing assembly (7) includes a sealing fixed bottom plate (701) and a sliding pressure plate (702). The sealing fixed bottom plate (701) is fixed on the side wall of the petroleum coke tank. The sliding pressure plate (702) is fixed on the sealing fixed bottom plate (701) by bolts, and there is a certain gap between the two through a gasket. A rod-following sliding piece is arranged in this gap. The rod-following sliding piece is composed of a sliding plate (703), a flexible seal (704) and a sealing pressure plate (705) that are sequentially sleeved on the fabric pusher rod (5). The sealing pressure plate (705) fixes the flexible seal (704) on the sliding plate (703), so that the whole rod-following sliding piece can slide in the gap between the sealing fixed bottom plate (701) and the sliding pressure plate (702) driven by the fabric pusher rod (5).

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