CN217368178U

CN217368178U - Oil-gas mixer for series process of fixed bed and slurry bed

Info

Publication number: CN217368178U
Application number: CN202221019454.XU
Authority: CN
Inventors: 刘长文; 杜京徽
Original assignee: Blooming Beijing Technology Co ltd
Current assignee: Blooming Beijing Technology Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-09-06
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses an oil-gas mixer for fixed bed and slurry bed series connection technology, the novel nipple rectifier comprises a cylindrical shel, the lower extreme integrated into one piece of barrel has the toper pipe, the output intercommunication of toper pipe has the mixed oil gas discharge pipe, the intercommunication has the oil feed pipe on the lateral wall on upper portion in the barrel, the tangential direction setting along the barrel cross-section of oil feed pipe, the fixed guide plate that is provided with on the inner wall of barrel upper end, the guide plate adopts helical structure, the upper end of barrel is provided with the intake pipe that runs through the barrel, the intake pipe extends to the one end rotation in the barrel and is connected with the rolling disc, be provided with the reposition of redundant personnel chamber in the rolling disc, intake pipe and reposition of redundant personnel chamber intercommunication. The utility model discloses a setting is advanced oil pipe and guide plate for the oil phase is the annular and flows in the barrel, through setting up rolling disc and water conservancy diversion passageway, makes the gaseous phase form the circulation in the barrel, and this circulation direction is opposite with the circulation direction of oil phase, promotes oil phase and liquid phase collision and mixes.

Description

Oil-gas mixer for series process of fixed bed and slurry bed

Technical Field

The utility model relates to a coal chemical industry field especially relates to an oil-gas mixer that is used for fixed bed and slurry bed series connection technology.

Background

In the hydrogenation production of the fuel oil by taking the coal tar as the raw material, a fixed bed and a slurry bed can be mutually connected in series/parallel, an oil-gas mixer can be additionally arranged between the fixed bed and the slurry bed, the fixed bed is used for removing heavy metals, partial sulfur and nitrogen in atmospheric residue or vacuum residue to carry out hydrogenation demetalization reaction, oil and gas discharged from the fixed bed enter the oil-gas mixer, meanwhile, an oil-soluble catalyst and new hydrogen also enter the oil-gas mixer, and the four are uniformly mixed in the oil-gas mixer and then enter the slurry bed to carry out the hydrocracking reaction.

The existing oil-gas mixer mainly adopts a pipeline mixing or static mixing mode, but has the problems of poor mixing effect, non-uniform flow of oil gas after mixing and the like under the working conditions of high viscosity physical property, large-range oil-gas ratio and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of poor mixing effect, uneven oil-gas flow after mixing in the prior art, and providing an oil-gas mixer which is used for the fixed bed and the slurry bed series connection process and has good mixing effect and even oil-gas flow after mixing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an oil-gas mixer for the series connection process of a fixed bed and a slurry bed comprises a cylinder body, wherein the lower end of the cylinder body is integrally formed with a conical tube, the output end of the conical tube is communicated with a mixed oil gas discharge pipe, the side wall of the middle upper part of the cylinder body is communicated with an oil inlet pipe, the oil inlet pipe is arranged along the tangential direction of the section of the cylinder body, the inner wall of the upper end of the cylinder body is fixedly provided with a guide plate, the guide plate adopts a spiral structure, the upper end of the cylinder body is provided with an air inlet pipe penetrating through the cylinder body, one end of the air inlet pipe extending into the cylinder body is rotationally connected with a rotating disc, a shunting cavity is arranged in the rotating disc, the intake pipe and reposition of redundant personnel chamber intercommunication, be provided with a plurality of water conservancy diversion passageways that communicate with reposition of redundant personnel chamber on the week lateral wall of rolling disc, it is a plurality of the water conservancy diversion passageway is the flabellum form setting that the annular array arranged, the fixed vortex mechanism that is provided with in bottom of rolling disc.

Preferably, the air inlet pipe is rotatably connected with the rotating disc through a bearing, an inner ring of the bearing is fixed with the outer side wall of the air inlet pipe, and an outer ring of the bearing is fixed with the rotating disc.

Preferably, vortex mechanism includes fixed connection in the dwang of rolling disc bottom, a plurality of vortex poles of evenly having arranged on the dwang.

Preferably, the below of intake pipe is provided with one-level mixing plate, second grade mixing plate and tertiary mixing plate, one-level mixing plate, second grade mixing plate and tertiary mixing plate from top to bottom arrange in proper order and respectively fixed mounting on the inner wall of barrel.

Preferably, the outlet end of the flow guide channel is provided with a baffle plate, and flow guide holes are uniformly distributed in the baffle plate.

Preferably, the upper surface of rolling disc is fixedly connected with umbelliform board, umbelliform board cover is located the intake pipe and outside and with intake pipe normal running fit.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses a set up into oil pipe and guide plate, in the oil phase got into the barrel by tangential direction from advancing oil pipe, via the guide plate that helical structure set up for the oil phase is the annular in the barrel and flows, increases the flow time and the distance of oil phase in the barrel, is favorable to the oil phase to encounter with the liquid phase collision, improves mixed effect.

2. The utility model discloses a set up rolling disc and water conservancy diversion passageway, the gaseous phase is discharged to the barrel in by the water conservancy diversion passageway, because the water conservancy diversion passageway is the flabellum form setting that the annular array arranged, during the gaseous phase is discharged, for the rolling disc provides a torque force, make the rolling disc rotate, need not to set up other drive arrangement, and then make the gaseous phase form the circulation in the barrel, this circulation direction is opposite with the circulation direction of oil phase, further promote oil phase and liquid phase collision and mix, and the rolling disc rotates the discharge port position that changes the water conservancy diversion passageway constantly, be favorable to gaseous phase evenly distributed in the barrel, the mixed effect is better.

3. The utility model discloses a set up the vortex pole, the vortex pole can follow the rolling disc and rotate in step, carries out further stirring, cutting to the oil gas after mixing for the oil gas after mixing flows evenly.

Drawings

FIG. 1 is a schematic diagram of an external structure of an oil-gas mixer for a series process of a fixed bed and a slurry bed according to the present invention;

FIG. 2 is a schematic diagram of the internal structure of an oil-gas mixer for the series process of the fixed bed and the slurry bed according to the present invention;

FIG. 3 is a top view of the internal structure of an oil-gas mixer for the series process of the fixed bed and the slurry bed according to the present invention;

fig. 4 is a top view of the internal structure of a rotating disk of an oil-gas mixer for a fixed bed and slurry bed series process, which is provided by the utility model.

In the figure: 1 cylinder, 2 conical tubes, 3 mixed oil-gas discharge pipes, 4 oil inlet pipes, 5 flow guide plates, 6 air inlet pipes, 7 rotating discs, 8 flow distribution cavities, 9 flow guide channels, 10 bearings, 11 rotating rods, 12 flow disturbing rods, 13 primary mixing plates, 14 secondary mixing plates, 15 tertiary mixing plates, 16 baffle plates and 17 umbrella-shaped plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, an oil-gas mixer for a fixed bed and slurry bed series process comprises a cylinder 1, a conical tube 2 is integrally formed at the lower end of the cylinder 1, an output end of the conical tube 2 is communicated with a mixed oil-gas discharge pipe 3, an oil inlet pipe 4 is communicated with the side wall of the upper middle portion of the cylinder 1, the oil inlet pipe 4 is arranged along the tangential direction of the cross section of the cylinder 1, a guide plate 5 is fixedly arranged on the inner wall of the upper end of the cylinder 1, the guide plate 5 adopts a spiral structure, an oil phase enters the cylinder 1 from the oil inlet pipe 4 in the tangential direction, and the oil phase flows in the cylinder 1 in an annular mode through the guide plate 5 arranged in the spiral structure, so that the flowing time and distance of the oil phase in the cylinder 1 are increased, collision between the oil phase and the liquid phase is facilitated, and the mixing effect is improved.

The utility model discloses in, barrel 1's upper end is provided with intake pipe 6 that runs through barrel 1, intake pipe 6 extends to the one end rotation in the barrel 1 and is connected with rolling disc 7, it needs to notice, intake pipe 6 rotates with rolling disc 7 through bearing 10 and is connected, bearing 10's inner circle is fixed with intake pipe 6's lateral wall, the outer lane is fixed with rolling disc 7, rolling disc 7's last fixed surface is connected with umbelliform board 17, umbelliform board 17 cover locate outside intake pipe 6 and with intake pipe 6 normal running fit, umbelliform board 17 can form the water conservancy diversion to the terminal oil phase of flowing out of guide plate 5, be convenient for it and below gaseous phase mixture.

In the utility model, a diversion cavity 8 is arranged in a rotating disc 7, an air inlet pipe 6 is communicated with the diversion cavity 8, a plurality of diversion channels 9 communicated with the diversion cavity 8 are arranged on the peripheral side wall of the rotating disc 7, the diversion channels 9 are arranged in a fan-shaped manner in an annular array, when the gas phase passes through the diversion channels 9, a torsional moment force can be provided for the rotating disc 7, so that the rotating disc 7 rotates, other driving devices are not needed, the gas phase is further promoted to form a circulation in the barrel body 1, the circulation direction is opposite to the circulation direction of the oil phase, the collision and mixing of the oil phase and the liquid phase are further promoted, the outlet position of the diversion channels 9 is changed at the moment when the rotating disc 7 rotates, the gas phase is favorably and uniformly distributed in the barrel body 1, the mixing effect is better, the outlet end of the diversion channels 9 is provided with a baffle 16, diversion holes are uniformly distributed in the baffle 16, when the gas phase is discharged by the diversion channels 9, the oil is cut and dispersed through the diversion holes in the baffle 16, so that the oil and the oil can be uniformly mixed.

The utility model discloses in, the fixed vortex mechanism that is provided with in bottom of rolling disc 7, vortex mechanism include fixed connection in the dwang 11 of rolling disc 7 bottom, a plurality of vortex poles 12 of evenly having arranged on the dwang 11, and vortex pole 12 can follow rolling disc 7 and rotate in step, carries out further stirring, cutting to the oil gas after mixing for the oil gas flow after mixing is even.

The utility model discloses in, the below of intake pipe 6 is provided with one-level mixing plate 13, second grade mixing plate 14 and tertiary mixing plate 15, one-level mixing plate 13, second grade mixing plate 14 and tertiary mixing plate 15 are arranged in proper order from top to bottom and respectively fixed mounting on the inner wall of barrel 1, all be provided with the bell mouth in one-level mixing plate 13, second grade mixing plate 14 and the tertiary mixing plate 15, the bell mouth in each mixing plate is passed through in proper order to oil gas after mixing, through extrude repeatedly, evenly mix after the cutting.

When the oil-phase mixing device works, the oil phase enters the cylinder body 1 from the tangential direction from the oil inlet pipe 4, and flows in the cylinder body 1 in an annular manner through the guide plate 5 arranged in the spiral structure, so that the flowing time and distance of the oil phase in the cylinder body 1 are increased, the collision of the oil phase and the liquid phase is facilitated, and the mixing effect is improved;

the gas phase enters a diversion cavity 8 in a rotating disc 7 through a gas inlet pipe 6 and is discharged into the cylinder 1 through a diversion channel 9, the diversion channel 9 is arranged in a fan blade shape in an annular array, when the gas phase is discharged, a torsional moment force is provided for the rotating disc 7, so that the rotating disc 7 rotates, other driving devices are not needed, the gas phase is further promoted to form circulation in the cylinder 1, the circulation direction is opposite to that of the oil phase, collision and mixing of the oil phase and the liquid phase are further promoted, the position of a discharge port of the diversion channel 9 is changed when the rotating disc 7 rotates, the gas phase is favorably and uniformly distributed in the cylinder 1, and the mixing effect is better;

the mixed oil gas passes through tapered holes in the first-stage mixing plate 13, the second-stage mixing plate 14 and the third-stage mixing plate 15 in sequence, the mixed oil gas is uniformly mixed after repeated extrusion and cutting, and the mixed oil gas is discharged from a mixed oil gas discharge pipe 3 below.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An oil-gas mixer for a fixed bed and slurry bed series connection process comprises a barrel body (1) and is characterized in that a conical tube (2) is integrally formed at the lower end of the barrel body (1), the output end of the conical tube (2) is communicated with a mixed oil-gas discharge pipe (3), an oil inlet pipe (4) is communicated with the side wall of the middle upper part of the barrel body (1), the oil inlet pipe (4) is arranged along the tangential direction of the cross section of the barrel body (1), a guide plate (5) is fixedly arranged on the inner wall of the upper end of the barrel body (1), the guide plate (5) adopts a spiral structure, an air inlet pipe (6) penetrating through the barrel body (1) is arranged at the upper end of the barrel body (1), one end of the air inlet pipe (6) extending into the barrel body (1) is rotatably connected with a rotating disc (7), a flow dividing cavity (8) is arranged in the rotating disc (7), and the air inlet pipe (6) is communicated with the flow dividing cavity (8), the peripheral side wall of the rotating disc (7) is provided with a plurality of flow guide channels (9) communicated with the flow distribution cavity (8), the flow guide channels (9) are arranged in a fan blade shape in an annular array mode, and the bottom of the rotating disc (7) is fixedly provided with a flow disturbance mechanism.

2. The oil-gas mixer for the fixed bed and slurry bed series process according to claim 1, characterized in that the air inlet pipe (6) is rotatably connected with the rotating disc (7) through a bearing (10), the inner ring of the bearing (10) is fixed with the outer side wall of the air inlet pipe (6), and the outer ring is fixed with the rotating disc (7).

3. The oil-gas mixer for the series process of the fixed bed and the slurry bed as claimed in claim 1, wherein the turbulence mechanism comprises a rotating rod (11) fixedly connected to the bottom of the rotating disk (7), and a plurality of turbulence rods (12) are uniformly arranged on the rotating rod (11).

4. The oil-gas mixer for the fixed bed and slurry bed series process according to claim 1, characterized in that a primary mixing plate (13), a secondary mixing plate (14) and a tertiary mixing plate (15) are arranged below the gas inlet pipe (6), wherein the primary mixing plate (13), the secondary mixing plate (14) and the tertiary mixing plate (15) are sequentially arranged from top to bottom and are respectively and fixedly installed on the inner wall of the barrel (1).

5. The oil-gas mixer for the fixed-bed and slurry-bed series process according to claim 1, characterized in that the outlet end of the flow guide channel (9) is provided with a baffle plate (16), and flow guide holes are uniformly distributed in the baffle plate (16).

6. The oil-gas mixer for the series process of the fixed bed and the slurry bed as claimed in claim 1, wherein an umbrella-shaped plate (17) is fixedly connected to the upper surface of the rotating disc (7), and the umbrella-shaped plate (17) is sleeved outside the air inlet pipe (6) and is in rotating fit with the air inlet pipe (6).