CN212632707U

CN212632707U - Riser formula liquid distributor

Info

Publication number: CN212632707U
Application number: CN202020942203.3U
Authority: CN
Inventors: 张明
Original assignee: Shandong Jilian Petrochemical Engineering Co ltd
Current assignee: Shandong Jilian Petrochemical Engineering Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-03-02
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a gas-lift pipe formula liquid distributor belongs to tower equipment, the utility model discloses the technical problem that solves is the easy jam of distributor column plate, and liquid distribution is inhomogeneous, and the technical scheme of adoption is: the structure of the tower plate comprises a tower plate, at least one air raising cylinder is arranged on the tower plate, an overflow disc is arranged below the air raising cylinder, a baffle is arranged above the air raising cylinder, a plurality of overflow holes are formed in the wall of the air raising cylinder, a diversion trench is arranged below the overflow holes, and the diversion trench is positioned in the air raising cylinder.

Description

Riser formula liquid distributor

Technical Field

The utility model relates to a tower equipment, specifically speaking are gas lift tube formula liquid distributor.

Background

The liquid in the packed column flows from top to bottom along the surface of the packing, and the gas and the liquid are in counter-current flow or parallel flow, depending on the specific reaction. The liquid storage amount in the packed tower is small. The flow pattern within the column is close to plug flow, whether in the gas or liquid phase. If solid phase is generated in the reaction process, a packed tower is not suitable. The packed tower is one film type contact apparatus with various stuffing shapes inside the tower to make liquid flow along the stuffing surface to form liquid film dispersed in continuously flowing gas and gas phase contact surface on the liquid film surface of the stuffing.

When the packed tower is designed, because the middle feeding and discharging requirements or the height of the packing layer is too large, packing is required to be piled up in sections, and liquid distributors are required to be arranged between the sections. Research proves that the distribution of liquid on the packed bed layer is a key factor influencing the exertion of the packing efficiency, and therefore, the key for solving the amplification problem of the packed tower is the design of a liquid distributor. Improper distributor design can result in poor liquid distribution and thus reduced column separation efficiency.

The conventional riser type liquid distributor has the advantages that the liquid distribution holes are formed in the tower plate, and when liquid in the tower is viscous or contains impurities, the liquid distribution holes are blocked by dirt and impurities in the tower, so that the liquid is unevenly distributed, the system pressure is increased, and the resistance is increased.

Disclosure of Invention

The technical task of the utility model is to provide a gas-lift tube formula liquid distributor solves the easy jam of distributor column plate, the inhomogeneous problem of liquid distribution.

The technical task of the utility model is realized according to following mode, a gas lift pipe formula liquid distributor, including the column plate, be provided with at least one on the column plate and rise the inflator, the below that rises the inflator is provided with the overflow dish, and the top that rises the inflator is provided with the baffle, is provided with a plurality of overflow holes on the section of thick bamboo wall that rises the inflator, and overflow hole below is provided with the guiding gutter, and the guiding gutter is located rises the inflator. Wherein, the overflow holes and the diversion trenches are arranged in a one-to-one correspondence manner.

Preferably, the overflow holes are in an inverted triangle shape, and the inverted triangle-shaped overflow holes are uniformly distributed along the circumference of the inflator.

More preferably, the overflow disc comprises a circular body part and an overflow structure arranged at the edge end of the circular body part, the overflow structure is a fork-shaped structure consisting of an upper fork part and a lower fork part, and an included angle between the upper fork part and the lower fork part is 60-120 degrees, preferably 90 degrees;

preferably, the circular body of the overflow disc is provided with a plurality of liquid outlet holes.

Preferably, the maximum circumferential diameter of the overflow disc is smaller than the inner diameter of the inflator.

Preferably, a connecting plate is arranged between the overflow disc and the air lift cylinder, one end of the connecting plate is fixedly connected with the overflow disc, and the other end of the connecting plate is fixedly connected with the inner cylinder wall of the air lift cylinder.

Preferably, a supporting plate is arranged between the baffle plate and the air lift cylinder, one end of the supporting plate is fixedly connected with the baffle plate, and the other end of the supporting plate is fixedly connected to the outer cylinder wall of the air lift cylinder.

Preferably, the number of the connecting plates is multiple, and the connecting plates are uniformly distributed along the edge end of the overflow disc in a circumferential manner;

the backup pad is provided with a plurality ofly, and a plurality of backup pads are circumference evenly distributed along rising gas section of thick bamboo outer tube wall.

Preferably, the diversion trench is arranged in a downward inclination angle of 30-50 degrees, preferably 45 degrees.

Preferably, the diversion trench is V-shaped, and an included angle between two side walls of the V-shaped diversion trench is not smaller than a bottom angle of the overflow hole.

The utility model discloses a gas lift pipe formula liquid distributor has following advantage:

the liquid phase channel and the gas phase channel are separated by the baffle plate, liquid flows onto the overflow disc through the flow guide groove after passing through the overflow hole, and is ensured to be uniformly distributed under the action of the overflow disc, so that the problems of easy blockage of the tower plate and non-uniform liquid distribution are effectively solved, and the novel overflow plate is simple in structure and has greater operation elasticity;

the edge end of the overflow disc is provided with an overflow structure, the overflow structure is a fork-shaped structure consisting of an upper fork part and a lower fork part, the upper fork part can provide an overflow effect, the lower fork part increases the distribution area, and the upper fork part and the lower fork part are combined to enable liquid to be uniformly distributed;

thirdly, a proper amount of liquid outlet holes are formed in the circular body part of the overflow disc, liquid can flow down from the liquid outlet holes and can also overflow out from an overflow structure at the edge end of the overflow disc, so that the liquid is distributed more uniformly;

and (IV) the diversion trench is positioned below the overflow hole and is arranged in a downward-inclined manner, so that mutual noninterference between the diversion trenches is ensured, and meanwhile, the liquid directly flows onto the overflow disc through the diversion trench.

The utility model has the characteristics of reasonable in design, simple structure, easily processing, small, convenient to use, a thing is multi-purpose etc, therefore, has fine popularization and use value.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a riser-type liquid distributor;

FIG. 2 is a schematic perspective view of the embodiment 1;

fig. 3 is a schematic structural view of the overflow pan of fig. 1.

In the figure: 1. the device comprises an overflow disc 1-1, a circular body part 1-2, an upper branching part 1-3, a lower branching part 1-4, a liquid outlet hole 2, tower plates 3, a connecting plate 4, a flow guide groove 5, a gas lift cylinder 6, a supporting plate 7, a baffle plate 8 and an overflow hole.

Detailed Description

A draft tube liquid distributor of the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and for simplification of description. And are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in the attached figure 1, the gas-lift pipe type liquid distributor of the utility model mainly comprises a tower plate 2, a gas-lift cylinder 5, a baffle 7 and an overflow disc 1. The tower plate 2 is fixed in the tower through a support ring or other modes, and the tower plate 2 is not provided with small holes. The gas lift cylinder 5 is mounted on the tray 2, and the data of the gas lift cylinder 5 on the tray 2 is adjusted according to the process calculation. The overflow disc 1 is positioned right below the gas lift cylinder 5, the distance between the lower surface of the gas lift cylinder 5 and the overflow disc 1 is determined according to the area required by the gas phase channel, and the maximum circumferential diameter of the overflow disc 1 is smaller than the inner diameter of the gas lift cylinder 5. The baffle 7 is positioned right above the gas lift cylinder 5 to realize the separation of a liquid phase channel and a gas phase channel. The cylinder wall of the inflator 5 is provided with overflow holes 8, and the size and the number of the overflow holes 8 are adjusted according to the process calculation. The same number of guide grooves 4 are arranged in the air lift cylinder 5 according to the positions of the overflow holes 8, and the sizes of the guide grooves 4 are determined according to the overflow holes 8.

As shown in fig. 2, in the present embodiment, an air lift cylinder 5 is installed at the center of the tower plate 2, and the air lift cylinder 5 has a hollow structure. Four inverted triangle-shaped overflow holes 8 are formed in the middle of the cylinder wall of the air lift cylinder 5, and the four inverted triangle-shaped overflow holes 8 are evenly distributed along the circumference of the cylinder wall of the air lift cylinder 5. The diversion trench 4 is installed at the position 5mm below the overflow hole 8 in the air lift cylinder 5, so that mutual noninterference between the diversion trenches 4 is guaranteed, the diversion trench 4 is inclined downwards by 45 degrees and is V-shaped, the included angle between two side walls of the V-shaped diversion trench 4 is not smaller than the bottom angle of the overflow hole 8, and liquid is guaranteed to directly flow onto the overflow disc 1 through the diversion trench 4. The overflow disc 1 is fixedly connected with an air lift cylinder 5 through connecting plates 3, four connecting plates 3 are arranged, and the four connecting plates 3 are uniformly distributed along the edge end of the overflow disc 1 in a circumferential manner; one end of the connecting plate 3 is fixedly connected with the overflow disc 1, and the other end of the connecting plate 3 is fixedly connected with the inner cylinder wall of the air lift cylinder 5. The connecting plate 3 is located between two adjacent guiding gutters 4, prevents that connecting plate 3 and guiding gutters 4 from colliding, increases the aesthetic property. The baffle 7 is fixedly connected with the air lift cylinder 5 through the supporting plates 6, the number of the supporting plates 6 is four, the four supporting plates 6 are uniformly distributed along the circumference of the outer cylinder wall of the air lift cylinder 5, one end of each supporting plate 6 is fixedly connected with the baffle 7, and the other end of each supporting plate 6 is fixedly connected to the outer cylinder wall of the air lift cylinder 5.

As shown in fig. 3, the overflow tray 1 includes a circular body 1-1 and a plurality of overflow structures located at the edge end of the circular body 1-1, the plurality of overflow structures are uniformly distributed along the edge end of the circular body 1-1; the overflow structure is a fork-shaped structure consisting of an upper fork part 1-2 and a lower fork part 1-3, an included angle between the upper fork part 1-2 and the lower fork part 1-3 is 90 degrees, the upper fork part 1-2 can provide an overflow effect, the lower fork part 1-3 increases the distribution area, and the liquid is uniformly distributed by combining the upper fork part 1-2 and the lower fork part 1-3; a plurality of liquid outlet holes 1-4 which are uniformly distributed are formed in the circular body part 1-1 of the overflow disc 1, liquid can flow down from the liquid outlet holes 1-4 and can also overflow from an overflow structure at the edge end of the overflow disc 1, and the liquid is distributed more uniformly.

The working process is as follows:

liquid phase: liquid from the feed inlet or the upper filler flows onto the column plate 2, when the liquid level on the column plate 2 reaches the position of the overflow hole 8, the liquid flows onto the overflow disc 1 through the overflow hole 8 under the guiding action of the diversion trench 4, and liquid redistribution is carried out through the liquid outlet holes 1-4 on the overflow disc 1 or the fork-shaped overflow structure at the edge end of the overflow disc 1.

② gas phase: the gas enters the gas lift cylinder 5 from the gap between the gas lift cylinder 5 and the overflow disc 1 and flows upwards from the gas lift cylinder 5, and the inner diameter and the number of the gas lift cylinder 5 are determined by considering the required gas phase area.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The gas-lift pipe type liquid distributor comprises a tower plate and is characterized in that at least one gas-lift cylinder is arranged on the tower plate, an overflow disc is arranged below the gas-lift cylinder, a baffle is arranged above the gas-lift cylinder, a plurality of overflow holes are formed in the wall of the gas-lift cylinder, a diversion trench is arranged below the overflow holes, and the diversion trench is positioned in the gas-lift cylinder.

2. The riser-type liquid distributor of claim 1, wherein the overflow apertures are in the shape of inverted triangles that are evenly distributed around the circumference of the riser.

3. A riser liquid distributor as claimed in claim 1 or claim 2 wherein the overflow tray comprises a circular body portion and an overflow formation provided at an edge end of the circular body portion, the overflow formation being of a bifurcated configuration comprising an upper bifurcated portion and a lower bifurcated portion, the upper and lower bifurcated portions having an included angle of 60-120 °.

4. A riser liquid distributor as defined in claim 3 wherein the overflow tray has a plurality of exit openings in the circular body portion.

5. A riser liquid distributor as defined in claim 1 wherein the maximum circumferential diameter of the overflow tray is less than the inner diameter of the riser cylinder.

6. The riser-type liquid distributor as defined in claim 1, wherein a connecting plate is disposed between the overflow pan and the riser, one end of the connecting plate is fixedly connected to the overflow pan, and the other end of the connecting plate is fixedly connected to the inner wall of the riser.

7. The riser liquid distributor as recited in claim 6, wherein a support plate is disposed between the baffle plate and the riser, one end of the support plate is fixedly connected to the baffle plate, and the other end of the support plate is fixedly connected to the outer cylindrical wall of the riser.

8. The riser liquid distributor of claim 7, wherein the plurality of connecting plates are evenly circumferentially distributed along the edge end of the overflow pan;

9. A riser liquid distributor as set forth in claim 1 wherein said troughs are inclined downwardly at an angle of 30-50 °.

10. A riser liquid distributor as set forth in claim 2 wherein the troughs are V-shaped with the angle between the two side walls of the V-shaped troughs being no less than the bottom angle of the overflow apertures.