CN214552393U - Detachable inlet distributor device - Google Patents

Abstract

The utility model discloses a removable entry distributor device, it includes the closure plate, the distribution pipe, the flange, forge the pipe, the backup pad, the closure plate is connected with the one end of distribution pipe, the flange is connected with the other end of distribution pipe, closure plate and backup pad detachable connection forge intraductal tip and flange detachable connection, the lower part of distribution pipe is equipped with a plurality of through-holes, a plurality of through-holes along the equidistant dislocation distribution of distribution pipe axial, the center of two adjacent through-holes on the arbitrary cross section of distribution pipe axial vertically is the same with the contained angle in the centre of a circle of cross section. This entry distributor device simple structure, easy operation dismantles the convenience, and the washing of the distributor device of being convenient for, change, the through-hole that sets up on the distributor device can make gas and liquid distribution even, has guaranteed the exchange of each other between gas and the liquid, realizes the casing maximize reaction, has guaranteed the long period operation of equipment.

Description

Detachable inlet distributor device

Technical Field

The utility model relates to a removable entry distributor device of core equipment gas and liquid inlet, concretely relates to gas and liquid inlet distributor device that is arranged in trades such as coal industry, petrochemical industry oil refining to separate various towers of operation in-process.

Background

Among mass transfer apparatuses used in industrial production such as coal chemical industry, petrochemical refining, etc., a column apparatus for fractionation or absorption is an important one. The absorption tower is a device for realizing absorption operation, the flow mode of gas-liquid two phases in the tower can be countercurrent or cocurrent, countercurrent operation is usually adopted, an absorbent is added from the top of the tower to flow from top to bottom and contacts with gas flowing from bottom to top, the liquid absorbing the absorbent is discharged from the bottom of the tower, the purified gas is discharged from the top of the tower, and the absorption process is finished. In this process, good distributor means are required, the function of which is to perform a uniform initial distribution or redistribution of the liquid at the top or at a certain height of the packing, so that the gas to be absorbed is distributed uniformly over the entire column cross-section, in order to bring the gas into uniform contact with the absorbent. Used for improving effective surface of mass transfer and heat transfer and improving interphase contact, thereby improving absorption efficiency of the tower. The quality of the initial distribution of liquid not only affects the mass transfer efficiency of the packing, but also affects the operational flexibility of the packing. The distributor device is therefore a very critical internal piece in the packed column.

At present, the existing spraying type liquid distributor device has the advantages of simple structure, convenient use and low price. But only can be used in a tower with a small diameter, the spraying effect on a tower body with a larger diameter is poor, and the direct scouring of the filler and the internal parts caused by the gas and the liquid entering the shell can cause erosion and abrasion. Other liquid distributor devices, such as trough-type liquid distributor devices and disc-type liquid distributor devices, have relatively complicated structures, are not easy to maintain, are easy to increase the pressure, and are difficult to realize uniform distribution of liquid and gas, although the distribution effect is relatively good.

Therefore, in view of the above problems, it is an urgent need to provide an inlet distributor device that is simple in structure and assembly, uniform in gas and liquid distribution, and convenient to clean and replace.

SUMMERY OF THE UTILITY MODEL

In view of the above technical problem, the present disclosure provides a removable inlet distributor device, which includes a blocking plate 1, a distribution pipe 2, a flange 3, a forged pipe 4, and a supporting plate 7, wherein the blocking plate 1 is connected to one end of the distribution pipe 2, the flange 3 is connected to the other end of the distribution pipe 2, the blocking plate 1 is detachably connected to the supporting plate 7, an inner extending end of the forged pipe 4 is detachably connected to the flange 3, and the distribution pipe 2 is provided with a plurality of through holes.

Optionally, a plurality of through holes are provided in the lower half of the distribution pipe 2.

Optionally, the plurality of through holes are staggered and distributed along the axial direction of the distribution pipe 2 at equal intervals.

Optionally, the centers of two adjacent through holes on any cross section axially perpendicular to the distribution pipe 2 have the same included angle with the circle center of the cross section.

Optionally, a rib plate 6 is arranged at the lower part of the supporting plate 7.

Optionally, the rib plate 6 is welded to the cylinder 5.

Optionally, a weld overlay 8 is provided between the forged tube 4 and the barrel 5.

Optionally, the blocking plate 1 is detachably connected to the supporting plate 7 by U-shaped bolts and nuts.

Optionally, the inward extending end of the forged tube 4 is detachably connected with the flange 3 through a screw.

Compared with the prior art, the detachable inlet distributor device of the present disclosure has the following features: including closure plate 1, distribution pipe 2, flange 3, forge pipe 4, backup pad 7, closure plate 1 with the one end of distribution pipe 2 is connected, flange 3 with the other end of distribution pipe 2 is connected, closure plate 1 with backup pad 7 detachable connection, forge pipe 4 internal stretching tip with 3 detachable connection of flange, distribution pipe 2 is equipped with a plurality of through-holes. The lower half part of the distribution pipe 2 is provided with a plurality of through holes. The through holes are distributed along the axial direction of the distribution pipe 2 at equal intervals in a staggered manner. And the included angles between the centers of the two adjacent through holes on any cross section axially vertical to the distribution pipe 2 and the circle center of the cross section are the same. The lower part of the supporting plate 7 is provided with a rib plate 6. The rib plates 6 are welded with the cylinder 5. A surfacing layer 8 is arranged between the forged tube 4 and the cylinder 5. The blocking plate 1 is detachably connected with the supporting plate 7 through a U-shaped bolt and a nut. The inward extending end part of the forged pipe 4 is detachably connected with the flange 3 through a screw. This entry distributor device simple structure, easy operation dismantles the convenience, and the washing of the distributor device of being convenient for, change set up the through-hole on the distributor device, and the diameter size of through-hole satisfies the circulation of different gas and liquid, satisfies the abundant contact between gas and liquid and the exchange medium, improves the distribution homogeneity of getting into interior gas and liquid of casing. One end of the distributor device is fixed on the supporting plate 7 through the U-shaped bolt and the nut, the horizontal position of the distributor device is guaranteed, vibration of the distributor device is prevented, the lower portion of the supporting plate 7 is provided with the rib plate 6 for supporting, and the rib plate is connected with the cylinder 5 in a welding mode, so that gas and liquid are uniformly distributed, mutual exchange between the gas and the liquid is guaranteed, shell maximization reaction is achieved, and long-period operation of equipment is guaranteed.

Drawings

The novel features of the invention are set forth with particularity in the appended claims. A better understanding of the features and advantages of the present invention will be obtained by reference to the following detailed description that sets forth illustrative embodiments, in which the principles of the invention are utilized, and the accompanying drawings. The drawings are only for purposes of illustrating embodiments and are not to be construed as limiting the invention. Also, in the drawings, wherein like reference numerals refer to like elements throughout:

fig. 1 is a schematic view of a removable inlet distributor apparatus according to an exemplary embodiment of the present invention;

FIG. 2 is an enlarged view of point I of FIG. 1 according to the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 1 in accordance with the present invention; and

fig. 4 is a cross-sectional view taken along line B-B of fig. 1 according to the present invention.

In the upper drawing, 1 is a blocking plate; 2 is a distribution pipe; 3 is a flange; 4 is a forged pipe, and 5 is a cylinder body; 6 is a rib plate; 7 is a supporting plate; and 8, a surfacing layer.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Nothing in the following detailed description is intended to indicate that any particular component, feature, or step is essential to the invention. Those skilled in the art will appreciate that various features or steps may be substituted for or combined with one another without departing from the scope of the present disclosure.

As shown in fig. 1, a removable inlet distributor device, it includes closure plate 1, distributor pipe 2, flange 3, forges pipe 4, backup plate 7, and closure plate 1 is connected with the one end of distributor pipe 2, and flange 3 is connected with the other end of distributor pipe 2, and closure plate 1 and backup plate 7 detachable connection forge the inside-extending end of pipe 4 and flange 3 detachable connection, are equipped with a plurality of through-holes on the distributor pipe 2. The inlet distributor device is simple in structure, convenient to detach and convenient to clean and replace, and the through holes formed in the distributor device improve the distribution uniformity of gas and liquid in the inlet shell. The maximum reaction of the shell is realized, and the long-period operation of the equipment is ensured.

In a preferred embodiment of this application, be equipped with a plurality of through-holes on the latter half of distribution pipe 2, gaseous and liquid distribution is uneven when avoiding gaseous and liquid flow great, and gaseous and liquid can not erode the top of barrel and lead to corroding.

In a preferred embodiment of the present application, the plurality of through holes are staggered along the axial direction of the distribution pipe 2 at equal intervals, and the positions of the through holes can make the gas-liquid distribution more uniform. The flow area of the gas and the liquid is further increased, so that the gas and the liquid are more uniformly distributed in the equipment.

In a preferred embodiment of the present application, the included angle between the center of two adjacent through holes on any cross section perpendicular to the axial direction of the distribution pipe 2 and the circle center of the cross section is the same, as shown in fig. 3 and 4, which are cross-sectional views at a-a and B-B in fig. 1, showing two groups of through holes in the two cross sections, where the two groups of through holes are different in position, the number of through holes in each group is three, the diameter of the through holes is phi 1, the included angle between the center of two adjacent through holes and the circle center of the cross section is alpha 1, and the included angle between the center of one through hole close to the horizontal plane and the horizontal plane is alpha, where alpha 1 may be greater than alpha. The arrangement of the through holes greatly increases the distribution area of gas and liquid, meets the requirement of full contact between the gas and the liquid and an exchange medium, improves the distribution uniformity of the gas and the liquid entering the shell, and maximizes the exchange utilization space of the shell.

In a preferred embodiment of the present application, the rib plate 6 is arranged at the lower part of the supporting plate 7, so that the supporting plate 7 can be better supported, and the device is firmer.

In a preferred embodiment of the present application, the rib 6 is welded to the barrel 5. It will be appreciated by those skilled in the art that other equivalent means of joining the web 6 to the barrel 5 may be used other than welding.

In a preferred embodiment of the present application, as shown in fig. 2, a weld overlay 8 is provided between the forged tube 4 and the cylindrical body 5, and one or more weld overlays 8 are applied between the forged tube 4 and the cylindrical body 5 by welding to increase the heat resistance, corrosion resistance, etc. between the forged tube 4 and the cylindrical body 5.

In a preferred embodiment of the present application, the closure plate 1 is detachably connected to the support plate 7 through U-shaped bolts and nuts, thereby ensuring the level of the distributor device, preventing the distributor device from vibrating, facilitating the detachment of the closure plate 1 from the support plate 7, facilitating the cleaning, maintenance or replacement of the inlet distributor device parts through the detachable connection of the U-shaped bolts and nuts to the support plate 7, and reducing the time for maintenance.

In a preferred embodiment of the present application, the inward extending end of the forged pipe 4 has matching threads with the flange 3 through screws, so that the inward extending end of the forged pipe 4 is detachably connected with the flange 3 through screws, the forged pipe 4 is conveniently detached from the flange 3, the distributor device is conveniently cleaned, and the structure facilitates the arrangement and installation of the distribution pipe 2 in the circumferential direction of the equipment. And the distribution pipe 2 well increases the flow area of the gas and the liquid, thereby reducing the pressure drop of the gas and the liquid.

Because the utility model discloses fall into several parts with the body of entry distributor device, every part is provided with the through-hole again, makes things convenient for constructor installation, maintenance like this, adopts bolt, nut to connect convenient dismantlement, change simultaneously.

The utility model discloses main flow: after the great gas of flow and liquid got into entry distributor device, gas and liquid passed through the through-hole evenly distributed of distributing pipe 2, then gas and liquid passed through the through-hole of distributing pipe 2, and evenly distributed flows into and stabilizes, rectifies in the tower. The inlet distributor device has the advantages of simple structure, low pressure drop when gas and liquid pass through, no influence on the flow of the gas and the liquid, good gas and liquid distribution effect, solving the difficult problems of uneven distribution of the gas and the liquid and the like, improving the process performance of tower equipment and being suitable for various gas and liquid load conditions.

In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the disclosure may be practiced without these specific details. In the present embodiment, well-known structures and techniques have not been shown in detail in order not to obscure the understanding of this description.

While exemplary embodiments of the present invention have been shown and described herein, it will be readily understood by those skilled in the art that such embodiments are provided by way of example only. Numerous modifications, changes, and substitutions will now occur to those skilled in the art without departing from the invention. It should be understood that various alternatives to the embodiments of the invention described herein may be employed in practicing the invention. It is intended that the following claims define the scope of the invention and that structures within the scope of these claims and their equivalents be covered thereby.

Claims (9)

1. A removable inlet distributor apparatus, comprising:

stifled board (1), distributor pipe (2), flange (3), forge pipe (4), backup pad (7), wherein stifled board (1) with the one end of distributor pipe (2) is connected, flange (3) with the other end of distributor pipe (2) is connected, stifled board (1) with backup pad (7) detachable connection, forge pipe (4) interior stretch the tip with flange (3) detachable connection, distributor pipe (2) are equipped with a plurality of through-holes.

2. A removable inlet distributor device according to claim 1, wherein a plurality of through holes are provided in the lower half of the distribution pipe (2).

3. A removable inlet distributor device according to claim 2, wherein the plurality of through holes are axially staggered with equal spacing along the distribution pipe (2).

4. A removable inlet distributor device according to claim 3, wherein the centers of two adjacent through holes in any cross section axially perpendicular to the distribution pipe (2) are at the same angle to the centre of the cross section.

5. A removable inlet distributor device according to claim 1, wherein the support plate (7) is provided with ribs (6) at its lower part.

6. A removable inlet distributor device according to claim 5, wherein the ribs (6) are welded to the bowl (5).

7. A removable inlet distributor device according to claim 1, wherein there is a weld overlay (8) between the forge tube (4) and the bowl (5).

8. A removable inlet distributor device according to any of the claims 1-7, wherein the closure plate (1) is removable connected to the support plate (7) by means of U-bolts, nuts.

9. A removable inlet distributor device according to any of claims 1-7, wherein the inwardly protruding end of the forged tube (4) is removably connected to the flange (3) by means of screws.

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