CN219091971U

CN219091971U - Feeding distributor of hydrogenation reactor

Info

Publication number: CN219091971U
Application number: CN202223401030.2U
Authority: CN
Inventors: 曲良龙; 田晓宝; 陈士博; 曲香玉
Original assignee: Beijing Energy Engineering Technologies Co ltd; Cangzhou Lingang Annaiji New Material Co ltd; Karamay Aneji Separation Technology Co ltd
Current assignee: Beijing Energy Engineering Technologies Co ltd; Cangzhou Lingang Annaiji New Material Co ltd; Karamay Aneji Separation Technology Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-30
Anticipated expiration: 2032-12-16

Abstract

The utility model relates to the technical field of petrochemical industry, and discloses a feeding distributor of a hydrogenation reactor, which solves the problems that at present, materials only slide downwards through distribution holes on a distribution plate, flow velocity resistance and pressure are different, and the distribution of the materials is uneven; through the multistage collision buffer distribution, materials are uniformly distributed.

Description

Feeding distributor of hydrogenation reactor

Technical Field

The utility model belongs to the technical field of petrochemical industry, and particularly relates to a feeding distributor of a hydrogenation reactor.

Background

The hydrogenation reactor is a very important device in the organic chemistry laboratory and the actual production process, can be used as a reaction container, and can also be used in the occasion that liquid and gas need to be fully mixed, and the hydrogenation reactor is often used for hydrogenating and converting the heavy part which is the most difficult to be utilized in the petroleum industry, namely residual oil, into light oil, so as to produce gasoline, diesel oil and the like.

In the catalytic hydrogenation reactor, firstly, hydrogen and raw oil are fed in parallel, then the raw oil and the hydrogen complete a series of reactions under the action of a catalyst in the reactor, and the parallel-flow gas-liquid feeding has the characteristics of high pressure and high flow speed. Therefore, a feed distributor is usually provided at the inlet of the reactor, which serves, firstly, to disperse the incoming medium over the entire cross section of the reactor; secondly, eliminating vertical impact of the gas and liquid medium on the top distribution plate; thirdly, the gas phase and the liquid phase are promoted to be mixed through disturbance. Therefore, in the industrial production process, after the gas-liquid medium is required to pass through the action of the feeding distributor, the peak value of the liquid phase distributed along the radial direction and the bias flow degree of the liquid phase are required to be as small as possible, the impact force on a distribution disc below is small, and otherwise, the effect of the catalyst and the stable and long-term operation of the device are influenced.

The existing distributor is generally simple in structure, distribution holes are formed in the distribution plate only through the distribution plate, so that the flow speed of materials is high when the holes near the feed inlet are used for distributing materials, the impact pressure is high, the flow speed of materials is low when the holes far away from the feed inlet are used for distributing materials, and the materials cannot continuously and stably enter a reaction state.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the feeding distributor of the hydrogenation reactor, which effectively solves the problems that the current materials only slide down through the distribution holes on the distribution plate, the flow velocity resistance and the pressure are different, and the distribution of the materials is uneven.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a feeding distributor of hydrogenation ware, includes pipeline main part, goes up retainer plate, distribution board, first distribution hole, protruding cover, second distribution hole, lower retainer plate, toper distribution piece, arc distribution piece, first bolt, go up sealing washer, second bolt, lower sealing washer and flange circle, pipeline main part inner wall upper portion is connected with the retainer plate, goes up the retainer plate upper end and is connected with the distribution board, and first distribution hole has evenly been seted up on the distribution board surface, and the distribution board upper end evenly is connected with protruding cover, and the second distribution hole has all been seted up on protruding cover surface, and pipeline main part inner wall lower part is connected with down the retainer plate, and lower retainer plate lower extreme is connected with toper distribution piece, and toper distribution piece lower extreme is connected with the arc distribution piece.

Preferably, the conical distribution piece comprises a conical cover, the lower end of the conical cover is fixedly connected with a first connecting ring, and third distribution holes are uniformly formed in the surface of the conical cover.

Preferably, the arc-shaped distribution piece comprises an arc-shaped cover, the lower end of the arc-shaped cover is fixedly connected with a second connecting ring, and fourth distribution holes are uniformly formed in the surface of the arc-shaped cover.

Preferably, the distribution plate is connected with the upper fixing ring through a first bolt, and an upper sealing ring is arranged between the contact surface of the distribution plate and the upper fixing ring.

Preferably, the conical distribution piece and the arc distribution piece are connected with the lower fixing ring through second bolts, and a lower sealing ring is arranged between the contact surface of the conical distribution piece and the lower fixing ring.

Preferably, the upper end of the pipeline main body is connected with a flange ring.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, through the convex cover structure arranged on the distribution plate, when the liquid material is positioned on the distribution plate, under the structure of the convex cover, the contact area of the liquid material is increased, namely, the number of the first distribution holes and the second distribution holes is increased compared with that of the first distribution holes and the second distribution holes on the single distribution plate structure, and the number of the holes is increased, so that the flow cross section area passing through the device is increased, the flow velocity of the material is reduced, and the purposes of reducing resistance and pressure drop are realized;

(2) This novel setting through toper distribution piece and arc distribution piece, after the material passes distribution plate and protruding cover whereabouts, the material can contact with the toper distribution piece again, under the collision dispersion of toper cover for the material distributes all around, again shunts and cushions, then from third distribution hole downwardly sliding, then the collision dispersion through the arc cover distributes all around again, finally from fourth distribution hole downwardly sliding, through such multistage collision buffering distribution, thereby make material evenly distributed.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the conical distribution member of the present utility model;

FIG. 3 is a schematic view of an arc-shaped distribution member according to the present utility model;

fig. 4 is an enlarged schematic view of structure a of fig. 1;

fig. 5 is an enlarged schematic view of structure B of fig. 1;

in the figure: 1. a pipe body; 2. a fixing ring is arranged on the upper part; 3. a distribution plate; 4. a first distribution hole; 5. a convex cover; 6. a second distribution hole; 7. a lower fixing ring; 8. a conical distribution member; 801. a conical cover; 802. a first connection ring; 803. a third distribution hole; 9. an arc-shaped distribution member; 901. an arc-shaped cover; 902. a second connection ring; 903. fourth distribution holes; 10. a first bolt; 11. an upper sealing ring; 12. a second bolt; 13. a lower sealing ring; 14. and (3) a flange ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the first embodiment, as shown in fig. 1-5, the utility model comprises a pipeline main body 1, an upper fixing ring 2, a distribution plate 3, a first distribution hole 4, a convex cover 5, a second distribution hole 6, a lower fixing ring 7, a conical distribution piece 8, an arc distribution piece 9, a first bolt 10, an upper sealing ring 11, a second bolt 12, a lower sealing ring 13 and a flange ring 14, wherein the upper part of the inner wall of the pipeline main body 1 is connected with the upper fixing ring 2, the upper end of the pipeline main body 1 is connected with the flange ring 14, the upper end of the upper fixing ring 2 is connected with the distribution plate 3, the distribution plate 3 is connected with the upper fixing ring 2 through the first bolt 10, the upper sealing ring 11 is arranged between the contact surface of the distribution plate 3 and the upper fixing ring 2, the first distribution hole 4 is uniformly arranged on the surface of the distribution plate 3, the upper end of the distribution plate 3 is uniformly connected with the convex cover 5, the second distribution hole 6 is uniformly arranged on the surface of the convex cover 5, the lower part of the inner wall of the pipeline main body 1 is connected with the lower fixing ring 7, the lower end of the lower fixing ring 7 is connected with the conical distribution piece 8, the lower end of the conical distribution piece 8 is connected with the conical distribution piece 9 through the lower fixing ring 7, the conical distribution piece 8 is connected with the arc distribution piece 7 through the second fixing ring 13, and the contact surface is uniformly arranged between the conical distribution piece and the lower fixing piece 7 and the arc distribution piece 7 is connected with the lower fixing ring 7 through the second fixing ring 7.

In the second embodiment, based on the first embodiment, the tapered distribution member 8 includes a tapered cover 801, a first connection ring 802 is fixedly connected to the lower end of the tapered cover 801, and third distribution holes 803 are uniformly formed in the surface of the tapered cover 801.

In the third embodiment, based on the first embodiment, the arc-shaped distributing member 9 includes an arc-shaped cover 901, the lower end of the arc-shaped cover 901 is fixedly connected with a second connecting ring 902, and fourth distributing holes 903 are uniformly formed on the surface of the arc-shaped cover 901.

Working principle: when the device is used, liquid materials enter the pipeline main body 1, firstly pass through the distribution plate 3 and the convex cover 5, and due to the convex cover 5 structure uniformly distributed on the distribution plate 3, when the liquid materials are positioned on the distribution plate 3, under the structure of the convex cover 5, the contact area of the liquid materials is increased, namely, the number of the first distribution holes 4 and the second distribution holes 6 is increased compared with the number of the first distribution holes 4 and the second distribution holes 6 which are formed on the structure of the single distribution plate 3, so that the number of the holes formed is increased, the flow cross section area passing through the device is increased, the flow velocity of the materials is reduced, and the purposes of reducing resistance and pressure drop are realized;

in addition, through the setting of toper distribution piece 8 and arc distribution piece 9, after the material passes distribution plate 3 and protruding cover 5 downwardly sliding, the material can contact with toper distribution piece 8 again, under the collision dispersion of toper cover 801, make the material distribute all around, again reposition of redundant personnel and buffering, then drop down from third distribution hole 803, then the collision dispersion through arc cover 901 distributes the material all around again, finally drop down from fourth distribution hole 903, through such multistage collision buffering distribution, thereby make material evenly distributed.

Claims

1. The utility model provides a feeding distributor of hydrogenation ware, includes pipeline main part (1), goes up retainer plate (2), distribution board (3), first distribution hole (4), protruding cover (5), second distribution hole (6), lower retainer plate (7), toper distribution piece (8), arc distribution piece (9), first bolt (10), go up sealing washer (11), second bolt (12), lower sealing washer (13) and flange circle (14), its characterized in that: the utility model discloses a pipeline main part (1) inner wall upper portion is connected with retainer plate (2), goes up retainer plate (2) upper end and is connected with distribution board (3), and first distribution hole (4) have evenly been seted up on distribution board (3) surface, and distribution board (3) upper end evenly is connected with protruding cover (5), and second distribution hole (6) have all been seted up on protruding cover (5) surface, and pipeline main part (1) inner wall lower part is connected with retainer plate (7), and lower retainer plate (7) lower extreme is connected with toper distribution piece (8), and toper distribution piece (8) lower extreme is connected with arc distribution piece (9).

2. A hydrogenation reactor feed distributor according to claim 1, wherein: the conical distribution piece (8) comprises a conical cover (801), the lower end of the conical cover (801) is fixedly connected with a first connecting ring (802), and third distribution holes (803) are uniformly formed in the surface of the conical cover (801).

3. A hydrogenation reactor feed distributor according to claim 1, wherein: the arc-shaped distribution piece (9) comprises an arc-shaped cover (901), the lower end of the arc-shaped cover (901) is fixedly connected with a second connecting ring (902), and fourth distribution holes (903) are uniformly formed in the surface of the arc-shaped cover (901).

4. A hydrogenation reactor feed distributor according to claim 1, wherein: the distribution plate (3) is connected with the upper fixing ring (2) through a first bolt (10), and an upper sealing ring (11) is arranged between the contact surface of the distribution plate (3) and the upper fixing ring (2).

5. A hydrogenation reactor feed distributor according to claim 1, wherein: the conical distribution piece (8) and the arc-shaped distribution piece (9) are connected with the lower fixing ring (7) through second bolts (12), and a lower sealing ring (13) is arranged between the contact surface of the conical distribution piece (8) and the lower fixing ring (7).

6. A hydrogenation reactor feed distributor according to claim 1, wherein: the upper end of the pipeline main body (1) is connected with a flange ring (14).