CN214599282U - Petroleum coke crushing device - Google Patents

Abstract

The utility model relates to a petroleum coke crushing device, which comprises a cutting component and a first crushing component, wherein the cutting component is positioned below an outlet of a coking tower and is used for crushing crude petroleum coke; the first crushing assembly comprises a feeding unit for conveying petroleum coke; and the crushing unit is positioned above the feeding unit, and the feeding unit and the crushing unit interact with each other in the conveying direction of the feeding unit to crush the petroleum coke into petroleum coke powder. The application provides a petroleum coke breaker can not appear blocking the material, and whole broken process is continuity of operation, and broken petroleum coke is efficient.

Description

Petroleum coke crushing device

Technical Field

The utility model belongs to the technical field of petrochemical, specifically a petroleum coke breaker.

Background

Delayed coking is a process used in refineries to convert heavy oil into useful lighter products, and the process is carried out by passing heavy oil through heating furnace tube at high flow rate, heating to deep reaction temperature, and then immediately entering petroleum coke tower for sufficient time to carry out thermal decomposition and condensation reaction, wherein the obtained products mainly comprise gas, naphtha, light gas oil, medium gas oil, petroleum coke, etc., and the petroleum coke is solidified on the inner wall and in the container of the petroleum coke tower and needs to be cut by high pressure water and discharged out of the tower.

The cut petroleum coke can be used as an electrode, metallurgy, fuel and the like according to different qualities, so that the petroleum coke still needs to be crushed, aired, stored and the like in the following process. At present, a delayed coking device is generally adopted for decoking, petroleum coke and coke cutting water are discharged from a petroleum coke tower into an open coke storage tank, and solid petroleum coke and coke cutting water are separated in the coke storage tank. The coke cutting water is subjected to multistage precipitation and then is filtered to remove petroleum coke powder for recycling, petroleum coke is grabbed to a crusher through a grab bucket crane, and the crushed petroleum coke is output from a belt conveyor.

Because the size of the petroleum coke is larger, the petroleum coke is processed into petroleum coke powder by the crusher, the whole operation time is long, so that material blockage is easy to occur at the inlet of the crusher, the crusher has a large size, and once the material blockage occurs, the petroleum coke blocked at the inlet of the crusher is difficult to clean.

SUMMERY OF THE UTILITY MODEL

Solve above-mentioned technical problem, the utility model aims to provide a petroleum coke breaker can not appear blocking the material, and whole crushing process is continuity of operation, and broken petroleum coke is efficient.

The technical scheme of the utility model as follows:

a petroleum coke crushing device comprises a cutting component which is positioned below an outlet of a coking tower and is used for crushing crude petroleum coke;

a first crushing assembly located below the cutting assembly;

the first crushing assembly comprises a feeding unit for conveying petroleum coke;

and the crushed material unit is positioned above the feeding unit, and the feeding unit and the crushed material unit interact with each other in the conveying direction of the feeding unit to crush the petroleum coke.

Preferably, an air hammer is arranged above the cutting assembly and used for striking and crushing petroleum coke on the cutting assembly.

Preferably, the cutting assembly comprises a first cutting roller and a second cutting roller which are arranged oppositely, and a first driving piece which drives the second cutting roller and the first cutting roller to rotate around the center line of the second cutting roller and the first cutting roller.

Preferably, the first cutting roller and the second cutting roller are both provided with at least two cutting knives, and the cutting knives on the first cutting roller are staggered with the cutting knives on the second cutting roller.

Preferably, the feeding unit comprises a transmission chain plate arranged at an acute angle with the horizontal line;

the driving chain wheel is arranged at one end of the transmission chain plate in the conveying direction;

the driven chain wheel is arranged at the other end of the transmission chain plate in the conveying direction;

the driving chain wheel and the driven chain wheel are matched with the bottom of the transmission chain plate to realize the rotary motion of the transmission chain plate.

Preferably, the feeding unit comprises a first cutting block detachably connected with the transmission chain plate;

the crushing unit comprises a second crushing roller;

a cutter holder provided on the outer circumferential direction of the second crushing roller;

and the blade is connected with the blade holder.

Preferably, a first cutting surface is arranged on the first cutting block;

the number of the tool apron and the number of the blades are at least two, and the tool apron and the blades are uniformly distributed on the periphery of the second crushing roller upwards;

in the conveying direction of the feeding unit, the first cutting block is provided with at least two cutter points, and the cutter points on the blade at the lowest position of the second crushing roller are tangent to the first cutting surface.

Preferably, a second drive is included to drive the rotation of the second crushing roller.

Preferably, a shield connected to the coker outlet is included;

the cutting assembly, the feeding unit and the crushing unit are all arranged in the protective cover.

The utility model provides a petroleum coke crushing device, including being located coking tower export below, and be used for the broken cutting assembly of crude petroleum coke, be located the first broken subassembly of cutting assembly below, first broken subassembly is including the feed unit that is used for carrying petroleum coke, is located the crushed aggregates unit of feed unit top, and on the direction of delivery of feed unit, feed unit and crushed aggregates unit interact, are broken with petroleum coke. Compared with the prior art, coarse petroleum coke falls into the cutting subassembly from the coking tower, the cutting subassembly carries out the first breakage to coarse petroleum coke, coarse petroleum coke breaks into fine petroleum coke, fine petroleum coke falls into first broken subassembly again and carries out the secondary breakage, fine petroleum coke is advanced into the feeding unit, the feeding unit is when the in-process that carries fine petroleum coke forward, the crushed aggregates unit that is located the feeding unit top interacts with the feeding unit, make fine petroleum coke carry out the breakage simultaneously in the transportation, until becoming the petroleum coke tiny particle. Consequently, the petroleum coke crushing device that this application provided can realize twice breakage, and the petroleum coke granule diminishes step by step, can avoid the condition that once only handles the appearance and block up, and on the other hand, petroleum coke transportation, the broken parallel operation of second grade still can carry out the one-level breakage when carrying out the second grade breakage, and the broken also parallel operation of ability of second grade breakage and one-level, whole petroleum coke crushing efficiency promotes greatly like this.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a petroleum coke crushing device in the embodiment;

fig. 2 is a top view of the petroleum coke crushing device in the embodiment.

Reference numbers in the drawings illustrate: 1. a coking drum; 2. a cutting assembly; 21. a first cutting roll; 22. A second cutting roller; 23. a first driving member; 24. a cutting knife; 3. a first crushing assembly; 31. A feeding unit; 311. a transmission chain plate; 312. a drive sprocket; 313. a driven sprocket; 314. A first cutting block; 3141. a first cutting surface; 32. a crushing unit; 321. a second crushing roller; 322. a tool apron; 323. a blade; 4. an air hammer; 5. a second driving member; 6. a shield.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other.

Please show as fig. 1 to fig. 2, the utility model provides a petroleum coke crushing device, including being located coking tower 1 export below, and be used for the cutting assembly 2 to coarse petroleum coke breakage, be located the first broken subassembly 3 of cutting assembly 2 below, first broken subassembly 3 is including the feed unit 31 that is used for carrying petroleum coke, is located the crushed aggregates unit 32 of feed unit 31 top, and in the direction of delivery of feed unit 31, feed unit 31 interacts with crushed aggregates unit 32, breaks petroleum coke. Compared with the prior art, coarse petroleum coke falls into cutting assembly 2 from coking tower 1, cutting assembly 2 carries out the first breakage to coarse petroleum coke, coarse petroleum coke breaks into fine petroleum coke, fine petroleum coke falls into first broken subassembly 3 again and carries out the secondary breakage, fine petroleum coke is advanced into feed unit 31, feed unit 31 is when the in-process that carries fine petroleum coke forward, crushed aggregates unit 32 that is located feed unit 31 top interacts with feed unit 31, make fine petroleum coke carry out the breakage simultaneously in the transportation, until becoming the petroleum coke tiny particle. Consequently, the petroleum coke crushing device that this application provided can realize twice breakage, and the petroleum coke granule diminishes step by step, can avoid the condition that once only handles the appearance and block up, and on the other hand, petroleum coke transportation, the broken parallel operation of second grade still can carry out the one-level breakage when carrying out the second grade breakage, and the broken also parallel operation of ability of second grade breakage and one-level, whole petroleum coke crushing efficiency promotes greatly like this.

The petroleum coke crushing device cuts large-particle petroleum coke or needle coke into medium-particle (the particle size is about 300-500 mm) through primary crushing, and then crushes the petroleum coke of the medium-particle (the particle size is about 300-500 mm) into small-particle with the particle size of about 150-250 mm through secondary crushing. Wherein, still can be according to actual production demand adjustment particle diameter the utility model discloses in, do not do specific restriction to specific granularity.

Wherein, the air hammer 4 is arranged above the cutting assembly 2, and the air hammer 4 is used for striking and crushing petroleum coke on the cutting assembly 2. When the coarse petroleum coke is cut on the cutting assembly 2, the air hammer 4 is used for crushing the coarse petroleum coke, so that the coarse petroleum coke is pre-hammered before being cut, the cutting workload of the cutting assembly 2 is reduced, and the petroleum coke is prevented from being jammed at the cutting assembly 2.

Further, the cutting assembly 2 includes a first cutting roller 21 and a second cutting roller 22 which are oppositely arranged, and a first driving member 23 which drives the second cutting roller 22 and the first cutting roller 21 to rotate around their center lines. If the first cutting roller 21 and the second cutting roller 22 rotate in the inward direction, the coarse petroleum coke can move downward (i.e. the first crushing assembly 3) while being cut; when the first cutting roller 21 and the second cutting roller 22 rotate outwards, the coarse petroleum coke can exit, and when the first cutting roller 21 and the second cutting roller 22 are blocked, the coarse petroleum coke can be cleaned by adopting the method, so that the jam at the cutting assembly 2 is further avoided. Therefore, adopt this embodiment, coarse petroleum coke can not only the one-level breakage, can also improve the circulation speed of coarse petroleum coke, in case the card material appears, can also clear up by oneself, avoids appearing blocking up in cutting assembly 2 department, improves petroleum coke crushing efficiency.

Wherein, all be equipped with two at least cutting knives 24 on first cutting roller 21 and the second cutting roller 22, cutting knife 24 on the first cutting roller 21 staggers mutually with cutting knife 24 on the second cutting roller 22. Stagger cutting knife 24 on first cutting roller 21 and the second cutting roller 22 each other, a petroleum coke can correspond a plurality of cutting points like this, when improving cutting efficiency, can also avoid the mutual interference between the cutting knife 24.

The utility model provides an in the embodiment, feed unit 31 includes and is the transmission link joint 311 that the acute angle set up with the water flat line, locates the drive sprocket 312 of transmission link joint 311 direction of delivery one end to and locate the driven sprocket 313 of the transmission link joint 311 direction of delivery other end, drive sprocket 312 and driven sprocket 313 all cooperate with transmission link joint 311 bottom, in order to realize the rotary motion of transmission link joint 311. The acute angle slope of transmission link joint 311 sets up the conveying efficiency that can accelerate petroleum coke, drive sprocket 312 drives driven sprocket 313 and rotates, and then transmission link joint 311 rotary motion, after fine coke tar is broken into, transmission link joint 311 gets back to initial condition, transport fine coke tar to crushed aggregates unit 32 again, petroleum coke breaker area can be reduced to this kind of structure, petroleum coke conveying efficiency can also be improved, in addition, petroleum coke granule reachs drive sprocket 312 switching-over position department, petroleum coke granule can fall down rapidly, avoid collecting excessive petroleum coke granule on the transmission link joint 311.

The feeding unit 31 includes a first cutting block 314 detachably connected to the driving chain plate 311, and the crushing unit 32 includes a second crushing roller 321, a tool holder 322 disposed on the outer circumference of the second crushing roller 321, and a blade 323 connected to the tool holder 322. The first cutting block 314 is arranged on the transmission chain plate 311, and the blade 323 cuts the fine petroleum coke when the fine petroleum coke passes through the first cutting block 314 and the blade 323, so that the structure can avoid the blade 323 from damaging the transmission chain plate 311 when cutting the fine petroleum coke. Preferably, in the conveying direction of the feeding unit 31, the first cutting blocks 314 are arranged in a plurality of rows, meanwhile, a plurality of cutter seats 322 are arranged on the outer periphery of the second crushing roller 321, each cutter seat 322 is provided with a cutter 323, wherein the outer edge of each cutter 323 is arc-shaped, so that the cutter 323 gradually cuts into the petroleum coke, the cutter 323 does not have excessive stress at the moment of contacting the petroleum coke, and the cutter 323 does not have edge breakage due to excessive stress at the moment, so that the service lives of the crushing unit 32 and the petroleum coke crushing device can be prolonged.

Preferably, the first cutting block 314 is provided with a first cutting surface 3141, the tool apron 322 and the blade 323 are provided with at least two, the two cutting surfaces are uniformly distributed on the periphery of the second crushing roller 321, and in the conveying direction of the feeding unit 31, the first cutting block 314 is provided with at least two tool tips on the blade 323 at the lowest position of the second crushing roller 321, and the tool tips are tangent to the first cutting surface 3141. Due to the structural arrangement, the first cutting surface 3141 can enable the petroleum coke to be jacked to form a slightly inclined angle, so that the tool tip on the blade 323 can cut into the petroleum coke at a smaller cutting point, and the blade edge on the blade 323 is prevented from being broken. On the other hand, the blade 323 at the lowest position of the second crushing roller 321 cuts into the petroleum coke deepest, and other blades 323 contact with the petroleum coke in a gradual cutting mode, so that the crushing process of each petroleum coke is a progressive process, compared with the direct violent crushing in the prior art, the whole crushing process is progressive, the crushing vibration amplitude is small, the blade edge on the blade 323 is not easy to break, and the service life of the blade 323 is long. Wherein the rotation of the second crushing roller 321 is provided by the second drive 5.

The utility model provides an in the embodiment, petroleum coke breaker include with 1 exit linkage's of coking tower protection casing 6, cutting assembly 2, feed unit 31 and crushed aggregates unit 32 all locate in protection casing 6. The whole petroleum coke crushing work is completed in the protective cover 6, and the environment pollution caused by the crushed dust and sundries is avoided.

In order to more clearly explain the working principle of the petroleum coke crushing device provided by the application, the following description is firstly combined with the best implementation:

the petroleum coke from the coking tower 1 firstly falls into the cutting assembly 2, the first cutting roller 21 and the second cutting roller 22 in the cutting assembly 2 rotate in the inward direction, the coarse petroleum coke is cut, in the cutting process, once the first cutting roller 21 and/or the second cutting roller 22 are/is overloaded, the first cutting roller 21 and the second cutting roller 22 rotate in the outward direction, the petroleum coke in the first cutting roller 21 and the second cutting roller 22 returns, meanwhile, the cutting knife 24 is optimized, and the cutting knives 24 are arranged on the first cutting roller 21 and the second cutting roller 22 in a staggered mode, so that the large petroleum coke is cut and crushed, and meanwhile, the excessive small granulation is avoided. When large-particle petroleum coke with an oversize size is encountered in the coking tower 1, the sensor transmits information to the control center, the control center sends a signal to indicate the air hammer 4 to strike and crush, and under the condition of no signal, a drill rod of the air hammer 4 is recovered into the cavity. The driving chain wheel 312 drives the driven chain wheel 313 to move towards the conveying direction, the fine petroleum coke is crushed by the combined action of the first cutting block 314, the second crushing roller 321 and the blade 323 arranged on the second crushing roller 321 in the conveying process, the transmission chain plate 311 rotates, and when petroleum coke particles are at the reversing position of the driving chain wheel 312, the petroleum coke particles are poured and enter the next component. During the secondary crushing process, once the transmission chain plate 311 becomes loose, the driven chain wheel 313 can be adjusted to tension the transmission chain plate. In addition, the whole petroleum coke crushing device is sealed by sealing protection, so that water and petroleum coke powder are prevented from leaking, and the environment is protected.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A petroleum coke crushing plant, characterized by comprising a cutting assembly (2) located below the outlet of the coking drum (1) and used for crushing crude petroleum coke;

a first crushing assembly (3) located below the cutting assembly (2);

the first crushing assembly (3) comprises a feeding unit (31) for conveying petroleum coke;

-a crushing unit (32) located above the feeding unit (31), the feeding unit (31) interacting with the crushing unit (32) in the conveying direction of the feeding unit (31) for crushing the petroleum coke.

2. The petroleum coke crushing device as claimed in claim 1, characterized in that an air hammer (4) is arranged above the cutting assembly (2), and the air hammer (4) is used for striking and crushing the petroleum coke on the cutting assembly (2).

3. The petroleum coke crushing device as recited in claim 2, characterized in that the cutting assembly (2) comprises a first cutting roller (21) and a second cutting roller (22) which are oppositely arranged, and a first driving member (23) which drives the second cutting roller (22) and the first cutting roller (21) to rotate around the center lines thereof.

4. The petroleum coke crushing device as recited in claim 3, characterized in that at least two cutting knives (24) are arranged on the first cutting roll (21) and the second cutting roll (22), and the cutting knives (24) on the first cutting roll (21) are staggered with respect to the cutting knives (24) on the second cutting roll (22).

5. The petroleum coke crushing plant according to claim 1, characterized in that the feeding unit (31) comprises a transmission chain plate (311) arranged at an acute angle to the horizontal;

the driving chain wheel (312) is arranged at one end of the transmission chain plate (311) in the conveying direction;

and a driven sprocket (313) provided at the other end of the transmission link plate (311) in the conveying direction;

the driving chain wheel (312) and the driven chain wheel (313) are matched with the bottom of the transmission chain plate (311) to realize the rotary motion of the transmission chain plate (311).

6. Petroleum coke crushing plant according to claim 5, characterized in that the feeding unit (31) comprises a first cutting block (314) detachably connected with the transmission chain plate (311);

the crushing unit (32) comprises a second crushing roller (321);

a cutter holder (322) arranged on the periphery of the second crushing roller (321) upwards;

and the blade (323) is connected with the blade holder (322).

7. The petroleum coke crushing plant as recited in claim 6, characterized in that the first cutting block (314) is provided with a first cutting face (3141);

the number of the tool apron (322) and the number of the blades (323) are at least two, and the tool apron and the blades are uniformly distributed on the periphery of the second crushing roller (321) upwards;

in the conveying direction of the feeding unit (31), the first cutting block (314) is provided with at least two cutting points on the blade (323) positioned at the lowest position of the second crushing roller (321) and tangent to the first cutting surface (3141).

8. Petroleum coke crushing plant according to claim 6, characterized by comprising a second drive (5) driving the second crushing drums (321) in rotation.

9. A petroleum coke breaking device according to claim 1, characterized by comprising a protective hood (6) connected to the outlet of the coking drum (1);

the cutting assembly (2), the feeding unit (31) and the crushing unit (32) are all arranged in the protective cover (6).

Images