CN219024332U

CN219024332U - Trough-disc type liquid distributor

Info

Publication number: CN219024332U
Application number: CN202223238593.4U
Authority: CN
Inventors: 赖长萍
Original assignee: Suzhou Saipu Separation Equipment Co ltd
Current assignee: Suzhou Saipu Separation Equipment Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-05-16
Anticipated expiration: 2032-12-01

Abstract

The utility model discloses a trough-disc type liquid distributor, which comprises a trough disc, a primary trough, a secondary trough, a baffle plate and a mounting piece, wherein the baffle plate is arranged on the trough disc; the trough plate is located equipment bottommost, and trough plate upper portion is provided with the one-level groove, and the one-level groove is the intercommunication groove for carry liquid. The upper part of the primary tank is communicated with a secondary tank, and the secondary tank is a liquid distribution tank and is used for communicating liquid with the primary tank. The baffle plate is arranged in the primary tank and is used for carrying out secondary separation on liquid in the tank. The mounting piece is used for fastening and connecting the trough plate with the inner wall of the tower. According to the utility model, the baffle plate is additionally arranged at the upper part of the tank body to realize the flow guiding effect, control the flow direction of the liquid, ensure that the liquid is uniformly and stably distributed, and enable the inside to be secondarily distributed inside through the shunt pipes arranged in the tank, so that the liquid can be uniformly circulated in the tank, ensure the stability of the edge part structure, and greatly improve the liquid flow efficiency.

Description

Trough-disc type liquid distributor

Technical Field

The utility model relates to the technical field of tower internals, in particular to a trough-disc type liquid distributor.

Background

Packed columns are very important gas-liquid mass transfer devices. Compared with a plate tower, the packing tower has the advantages of higher efficiency, larger flux, lower pressure drop, smaller liquid holdup and the like, has superiority in the aspects of vacuum operation, separation of thermosensitive systems, energy conservation and the like, and is widely applied to the fields of petrochemical industry, metallurgy, environmental protection and the like.

In order to exert various advantages of the packing, it is necessary to provide column internals such as high-performance liquid distributors, particularly large columns, and whether the liquid distribution is uniform has a significant influence on the use effect of the packing. Production experience has shown that various problems with the inability of industrial packed columns to operate properly are often caused by unreasonable sparger designs. Any severe initial maldistribution requires a packing height that is several times the column diameter to correct.

At present, the liquid distributor commonly used in industrial application has tube slot type, hole slot type, slot disc type and the like, wherein the slot disc type liquid distributor is a distributor which is widely applied, can effectively prevent entrainment of objects, occupies smaller space than other distributors, has a collecting function and can be used as a redistributor and the like, but in actual operation, the support structure is relatively complex, the requirement on the flatness of actual installation is very high, the condition of uneven gas-liquid distribution often occurs, and the liquid flows unevenly near the peripheral wall of a chromatographic container to cause the separation zone to be diffused and bent at the edge part, so as to generate a wall flow effect.

Disclosure of Invention

The utility model mainly aims to provide a trough-disc type liquid distributor which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a trough-disc type liquid distributor comprises a trough disc, a primary trough, a secondary trough, a baffle plate and a mounting piece; the trough plate is positioned at the bottommost end of the equipment, a primary trough is arranged at the upper part of the trough plate, and the primary trough is a communicating trough and is used for conveying liquid; the upper part of the primary tank is communicated with a secondary tank, and the secondary tank is a liquid distribution tank and is used for communicating liquid with the primary tank; the baffle plate is arranged in the primary tank and is used for carrying out secondary separation on liquid in the tank; the mounting piece is used for fastening and connecting the trough plate with the inner wall of the tower.

In a preferred embodiment, a plurality of tear holes are formed in the upper portion of the trough plate, and the tear holes are uniformly distributed on the outer side of the surface of the trough plate.

In a preferred embodiment, the primary groove is in a rectangular groove structure, the secondary groove is arranged into a V-shaped groove surface, and the bending angle of the groove surface of the secondary groove is 60 degrees.

In a preferred embodiment, a gas riser is further arranged at the upper part of the groove disc, the gas riser is a gas pipeline, and each gas riser is arranged between two primary grooves.

In a preferred embodiment, the baffle plate is arranged in an inverted-eight shape in the primary groove, and the upper part of the baffle plate is communicated with the groove surface of the secondary groove.

In a preferred embodiment, the upper part of the trough plate is provided with three pairs of primary troughs, the primary troughs are arranged in parallel, the secondary troughs are arranged on the upper part of the primary trough in a matched manner, and the secondary troughs are arranged in parallel in sequence.

In a preferred embodiment, the lengths of the groove surfaces of the primary groove are sequentially reduced from inside to outside, and the lengths of the groove surfaces of the secondary groove are correspondingly reduced.

In a preferred embodiment, the length interval of the primary groove is 1700 mm-3400 mm, and the height of the primary groove is 200mm.

In a preferred embodiment, the mounting member includes a connecting piece, a flange and a fastening bolt, wherein the connecting piece is used for being matched and fixed with the inner wall of the tower, and the flange is used for being fixedly connected with the connecting piece through the fastening bolt.

In a preferred embodiment, a shunt tube is further arranged in the primary tank and is used for secondarily shunting the liquid in the tank.

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

according to the utility model, the baffle plate is additionally arranged at the upper part of the tank body to realize the flow guiding effect, control the flow direction of liquid, ensure uniform and stable distribution of the liquid, and the shunt pipes arranged in the tank enable the inside to be secondarily distributed in the tank, so that the liquid can keep uniform circulation in the tank, ensure the stability of the edge part structure, greatly improve the liquid circulation efficiency, and enable the distributor to be convenient to install and adapt to different installation environments through the installation parts arranged at the periphery.

Drawings

FIG. 1 is a schematic view of the overall structure of a trough-tray liquid distributor according to the present utility model;

FIG. 2 is a cross-sectional view of a primary trough structure of a trough-tray liquid distributor according to the present utility model;

fig. 3 is a structural view of a mounting member of a trough-tray type liquid distributor according to the present utility model.

In the figure: 1. a trough plate; 2. a primary tank; 3. a secondary tank; 4. a baffle plate; 5. a lacrimal passage; 6. a riser; 7. a connecting sheet; 8. a flange; 9. a fastening bolt; 10. a shunt tube.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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 description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples: as shown in figures 1-3, the trough-disc type liquid distributor comprises a trough disc 1, a primary trough 2, a secondary trough 3, a baffle plate 4 and a mounting piece, wherein the trough disc 1 is positioned at the bottommost end of equipment, the primary trough 2 is arranged at the upper part of the trough disc 1 and is a communicating trough for conveying liquid, the secondary trough 3 is communicated with the upper part of the primary trough 2 and is a liquid distribution trough for communicating with the primary trough 2, the baffle plate 4 is arranged inside the primary trough 2 and is used for carrying out secondary separation on liquid in the trough, and the mounting piece is used for fastening and connecting the trough disc 1 with the inner wall of a tower.

As shown in figure 1, the upper part of the grooved plate 1 is provided with a plurality of tear holes 5, and the tear holes 5 are uniformly distributed on the outer side of the disk surface of the grooved plate 1.

Through the design scheme, the device can not feed or discharge effusion and balance the expansion allowance

Specifically, the primary tank 2 is of a rectangular groove structure, the secondary tank 3 is arranged to be a V-shaped tank surface, the bending angle of the tank surface of the secondary tank 3 is 60 degrees, and through the design of the V-shaped tank, water drainage is quickened and the water drainage direction is stabilized.

Through the figure 2 shows, trough tray 1 upper portion still is provided with riser 6, and riser 6 is gas piping, and every riser 6 sets up between two one-level grooves 2, and the design of riser has accelerated the inside gas-liquid flow of equipment and has led to the efficiency.

According to figure 2, baffle 4 sets up into the reverse eight style of calligraphy in primary tank 2 inside, baffle 4 upper portion and the 3 groove surfaces intercommunication of secondary tank, through corresponding to the 3 groove surfaces of secondary tank down to, compliance water flows to, promotes transportation efficiency.

Specifically, three pairs of primary grooves 2 are formed in the upper portion of the groove disc 1, the primary grooves 2 are arranged in parallel, the secondary grooves 3 are arranged on the upper portion of the primary grooves 2 in a matched mode, and the secondary grooves 3 are sequentially arranged in parallel.

Further, the length of the first-stage groove 2 is reduced from inside to outside, and the length of the second-stage groove 3 is correspondingly reduced.

Specifically, the length interval of the primary groove 2 is 1700 mm-3400 mm, and the height of the primary groove 2 is 200mm.

According to fig. 3, the mounting comprises a connecting piece 7, a flange 8 and a fastening bolt 9, wherein the connecting piece 7 is used for being matched and fixed with the inner wall of the tower, and the flange 8 is used for being fixedly connected with the connecting piece 7 through the fastening bolt 9.

According to fig. 2, the primary tank is further provided with a shunt 10 for secondarily shunting the liquid in the tank, which is arranged to secondarily distribute the liquid in the tank, so that the liquid can uniformly circulate in the tank, thereby ensuring the stability of the edge structure, greatly improving the liquid circulation efficiency,

it should be noted that, the present utility model is a trough-tray type liquid distributor, when in use, liquid enters the secondary trough, the radial direction of the trough tray 1 covers the axial direction of all distribution troughs, the water flow conforms to the inside of the first-stage trough 2, then the flow guiding function is realized through the internal baffle plate 4, the flow direction of the liquid is controlled, the uniform and stable distribution of the liquid is ensured, the inside is secondarily distributed through the shunt tubes arranged in the trough, the liquid can keep uniform circulation in the trough, the stability of the edge part structure is ensured, the liquid circulation efficiency is greatly improved, when the water level in the trough tray 1 reaches the level of the overflow holes positioned at the lowest, the liquid overflows from all the overflow holes at the position and flows into the distribution trough, and when the water level in the distribution trough reaches the level of the distribution holes positioned at the lowest, the liquid overflows from the distribution holes and flows into the distribution pipeline, so that the average distribution of the liquid is achieved, when the water level in the trough tray 1 is excessive, the liquid can not be discharged in time, the distribution of the secondary trough V at the top of the trough tray 1 can be ensured, and the uniform distribution effect of the liquid is prevented.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A trough-tray liquid distributor, characterized in that: comprises a groove disc (1), a primary groove (2), a secondary groove (3), a baffle plate (4) and a mounting piece;

the groove disc (1) is positioned at the bottommost end of the device, a primary groove (2) is arranged at the upper part of the groove disc (1), and the primary groove (2) is a communicating groove and is used for conveying liquid;

the upper part of the primary tank (2) is communicated with a secondary tank (3), and the secondary tank (3) is a liquid distribution tank and is used for communicating liquid with the primary tank (2);

the baffle plate (4) is arranged in the primary tank (2) and is used for carrying out secondary separation on liquid in the tank;

the mounting piece is used for fastening and connecting the trough plate (1) with the inner wall of the tower.

2. A trough-tray liquid distributor according to claim 1, wherein: the upper part of the grooved disc (1) is provided with a plurality of tear holes (5), and the tear holes (5) are uniformly distributed on the outer side of the disc surface of the grooved disc (1).

3. A trough-tray liquid distributor according to claim 2, wherein: the primary groove (2) is of a rectangular groove structure, the secondary groove (3) is arranged to be a V-shaped groove surface, and the bending angle of the groove surface of the secondary groove (3) is 60 degrees.

4. A trough-tray liquid distributor according to claim 3, wherein: the upper part of the trough plate (1) is also provided with a gas lift pipe (6), the gas lift pipe (6) is a gas pipeline, and each gas lift pipe (6) is arranged between two primary troughs (2).

5. A trough-tray liquid distributor according to claim 4, wherein: the baffle plate (4) is arranged in the primary groove (2) in an inverted-V shape, and the upper part of the baffle plate (4) is communicated with the groove surface of the secondary groove (3).

6. A trough-tray liquid distributor according to claim 5, wherein: three pairs of primary grooves (2) are formed in the upper portion of the groove disc (1), the primary grooves (2) are arranged in parallel, the secondary grooves (3) are arranged on the upper portion of the primary grooves (2) in a matched mode, and the secondary grooves (3) are arranged in parallel in sequence.

7. A trough-tray liquid distributor according to claim 6, wherein: the length of the primary groove (2) is sequentially reduced from inside to outside, and the length of the groove surface of the secondary groove (3) is correspondingly reduced.

8. A trough-tray liquid distributor according to claim 7, wherein: the length interval of the primary groove (2) is 1700-3400 mm, and the height of the primary groove (2) is 200mm.

9. A trough-tray liquid distributor according to claim 8, wherein: the mounting piece comprises a connecting piece (7), a flange (8) and a fastening bolt (9), wherein the connecting piece (7) is used for being matched and fixed with the inner wall of the tower, and the flange (8) is used for being fixedly connected with the connecting piece (7) through the fastening bolt (9).

10. A trough-tray liquid distributor according to claim 9, wherein: the primary tank (2) is internally provided with a shunt tube (10) for secondarily shunting the liquid in the tank.