CN215916487U

CN215916487U - Internal component of devolatilization tower

Info

Publication number: CN215916487U
Application number: CN202122456892.4U
Authority: CN
Inventors: 王雪松; 奚桢浩; 仇枭逸; 黄剑清; 赵鸣; 张�林; 李响
Original assignee: East China University of Science and Technology
Current assignee: East China University of Science and Technology
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-03-01
Anticipated expiration: 2031-10-13
Also published as: WO2023060965A1

Abstract

The utility model relates to a devolatilization tower internal member, which comprises a liquid storage device and a plurality of flow guide parts positioned below the liquid storage device, wherein the middle part of the liquid storage device is provided with at least two rows of holes for fluid to flow out, each flow guide part comprises a flow guide wire mesh and a plurality of rows of flow dividers positioned above the flow guide wire mesh, and the flow guide parts are connected with the liquid storage device through a plurality of connecting rods; according to the utility model, through the matching of the liquid storage device and the flow guide piece, the fluid is mixed firstly and then is distributed to the flow guide wire net through the flow divider to fall into the film, so that the flow division and the mixing can be realized in the devolatilization tower, the devolatilization quality of the fluid is ensured, and the devolatilization efficiency is improved.

Description

Internal component of devolatilization tower

Technical Field

The utility model relates to the technical field of devolatilization towers, in particular to an internal component of a devolatilization tower.

Background

Devolatilization is an important part of chemical production, the task of which is to transfer volatile substances from the liquid phase to the gas phase for discharge from the fluid. Devolatilization is carried out inside a devolatilization tower through a falling film or a falling liquid column to provide a relatively large gas-liquid interface; when a single-layer falling film is adopted, the falling film time is uncontrollable due to the fact that fluid flows downwards all the time, and the devolatilization effect is poor.

In the prior art, a multilayer grid plate is usually adopted to realize multilayer falling film, so as to solve the problem of poor devolatilization effect of fluid with short retention time, but the problem still exists that partial fluid is not devolatilized or the devolatilization effect is poor in the using process, so that the quality of the fluid is not uniform, if the devolatilization efficiency and quality need to be ensured, the fluid must be remixed and then devolatilized for many times, the cost is high, and the efficiency is low.

Therefore, in view of the above problems, it would be desirable to design a devolatilizer internal member capable of achieving multiple times of flow splitting and mixing inside a devolatilizer to ensure the devolatilization quality of a fluid and improve the devolatilization efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an internal component of a devolatilization tower.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a take off and volatilize tower internals, includes the reservoir and is located a plurality of water conservancy diversion spare of reservoir below, the middle part of reservoir is provided with two row at least holes that are used for the fluid to flow, the water conservancy diversion spare includes the water conservancy diversion silk screen and is located a plurality of rows of shunts of water conservancy diversion silk screen top, the water conservancy diversion spare with connect through a plurality of connecting rod between the reservoir.

Preferably, the reservoir is a symmetrical box with an open upper end, and the box comprises a square box or a conical box.

Preferably, the reservoir is a square box, two adjacent rows of the holes form a fluid outflow region, and one flow guide member is arranged below each fluid outflow region.

Preferably, said flow diverters are connected to said connecting rods, the number of said flow diverters in each row being the same as the number of said connecting rods; the number of said holes in each row is the same as the number of said connecting rods.

Preferably, the middle portion of the flow divider is connected with the connecting rod.

Preferably, the connecting rod is connected in contact with the shunt and/or the connecting rod is inserted into the shunt.

Preferably, in each of the fluid outflow regions, a flow passage is provided below each of the holes, the flow passage being inclined in a direction approaching the flow guide.

Preferably, when the flow pipeline inclines towards the direction close to the flow guide part, the included angle formed between the flow pipeline and the bottom of the liquid storage device is 30-75 degrees; more preferably from 30 to 60 °; most preferably 45 to 60.

Preferably, the reservoir is a conical box body, the reservoir is a hollow structure with the upper end and the lower end both open, and the width of the upper end of the reservoir is larger than that of the lower end.

Preferably, the flow divider is used for dividing the fluid flowing out of the reservoir into two branches, and comprises an arc-shaped piece or a triangular piece.

Preferably, the flow guiding screen mesh comprises a plurality of rows of grids, the number of rows of grids is the same as the number of the flow dividers in each row, and the distance between two ends of each flow divider is the same as the width of each grid.

Preferably, both ends of the shunt are connected to the mesh.

Preferably, the flow divider, the connecting rod and the flow guide wire net are integrally formed.

In the above, when the reservoir is a square box, the use principle of the inner member is as follows: the fluid flows into mix in the reservoir and follow the hole of reservoir flows to flow pipe, because flow pipe with form the contained angle between the reservoir bottom, the fluid is to being close to on the direction flow direction connecting rod of water conservancy diversion spare, the fluid flows to the shunt from the connecting rod after, divide into two branches with the fluid through the shunt to falling liquid film on the water conservancy diversion silk screen realizes redistributing after taking off the inside mixture of volatile tower.

In the above, when the reservoir is a conical cartridge, the principle of use of the inner member is: the fluid flows into the liquid storage device, and because the lower end of the liquid storage device is narrow and the liquid outlet speed is slow, the fluid can be mixed and then flows out of the lower end of the liquid storage device into the flow divider, the fluid is divided into two branches by the flow divider and falls on the flow guide wire mesh, and the fluid is divided into two branches after being mixed inside the devolatilization tower.

The present application further claims a devolatilizer comprising a tower body, a liquid distributor disposed within the tower body, and a plurality of layers of devolatilizer internals as described above.

Due to the application of the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, through the matching of the liquid storage device and the flow guide piece, the fluid is mixed firstly and then is distributed to the flow guide wire net through the flow divider to fall into the film, so that the flow division and the mixing can be realized in the devolatilization tower, the devolatilization quality of the fluid is ensured, and the devolatilization efficiency is improved;

2. according to the utility model, the plurality of internal components are arranged in the devolatilization tower, so that the fluids can be mixed and divided for many times in the devolatilization tower, all the fluids can be devolatilized, and the devolatilization quality is improved; the utility model has simple structure and convenient use, and meets the requirements of production and use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that some of the drawings in the following description are embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention.

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention.

Fig. 3 is a schematic overall structure diagram of a second embodiment of the present invention.

Wherein, 1, a liquid storage device; 2. a flow guide member; 3. an aperture; 4. a flow guiding screen mesh; 5. a flow divider; 6. a connecting rod; 7. a flow conduit; 8. and (4) grid.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

As shown in fig. 1 and 2, an internal component of a devolatilization tower comprises a liquid reservoir 1 and a flow guide part 2 located below the liquid reservoir, wherein two rows of holes 3 for fluid to flow out are formed in the middle of the liquid reservoir, the flow guide part comprises a flow guide wire mesh 4 and a plurality of rows of flow dividers 5 located above the flow guide wire mesh, and the flow guide part is connected with the liquid reservoir through a plurality of connecting rods 6.

Further, the reservoir is symmetrical and the upper end is open box body.

Furthermore, two adjacent rows of holes form a fluid outflow area, and one flow guide component is arranged below each fluid outflow area.

Furthermore, the liquid storage device is a square box body, the flow guide part is connected to the axis of the liquid storage device, two rows of holes which are arranged in parallel are formed in the liquid storage device, and the two rows of holes are evenly distributed on two sides of the axis.

Further, the flow dividers are connected with the connecting rods, and the number of the flow dividers in each row is the same as that of the connecting rods; the number of said holes in each row is the same as the number of said connecting rods.

Further, the middle part of the flow divider is connected with the connecting rod.

Further, the connecting rod is connected in contact with the shunt and/or the connecting rod is inserted into the shunt.

Furthermore, a flow channel 7 is arranged below each hole, and the flow channel inclines towards the direction close to the flow guide piece.

Further, when the flowing pipeline inclines towards the direction close to the flow guide piece, the included angle formed between the flowing pipeline and the bottom of the liquid storage device is 60 degrees.

Further, the flow divider is used for dividing the fluid flowing out of the reservoir into two branches, and the flow divider comprises an arc-shaped part or a triangular part.

Further, the flow guide wire mesh comprises a plurality of rows of grids 8, the number of rows of grids is the same as that of the flow dividers in each row, and the distance between two ends of each flow divider is the same as the width of each grid.

Further, both ends of the shunt are connected with the grid.

Further, the flow divider, the connecting rod and the flow guide wire mesh are integrally formed.

Example two

The present embodiment is performed on the basis of the first embodiment, and the same parts as those in the first embodiment are not repeated.

As shown in fig. 3, preferably, the liquid reservoir is a conical box body, the liquid reservoir is a hollow structure with an upper end and a lower end both open, and the width of the upper end of the liquid reservoir is greater than that of the lower end.

EXAMPLE III

This embodiment is performed based on the first or second embodiments, and the same parts as those in the first or second embodiments are not repeated.

This example relates to the protection of a devolatilizer comprising a tower body, a liquid distributor disposed inside the tower body, and a plurality of layers of devolatilizer internals as described in example one or example two.

Further, the tower body is cylindrical, square or rectangular.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a take off and volatilize tower internals, its characterized in that includes the reservoir and is located a plurality of water conservancy diversion spare of reservoir below, the middle part of reservoir is provided with two row at least holes that are used for the fluid to flow, the water conservancy diversion spare includes water conservancy diversion silk screen and a plurality of rows of shunts that are located water conservancy diversion silk screen top, the water conservancy diversion spare with connect through a plurality of connecting rod between the reservoir.

2. The devolatilizer internals as claimed in claim 1 wherein said accumulator is a symmetrical box with an open top, said box comprising a square box or a conical box.

3. The devolatilizer internals as claimed in claim 2 wherein said accumulator is a square box with two adjacent rows of said holes forming a fluid exit region, and wherein one of said baffles is disposed below each of said fluid exit regions.

4. A devolatilizer internals as claimed in claim 3 wherein said flow diverters are connected to said tie rods, the number of said flow diverters in each row being the same as the number of said tie rods; the number of said holes in each row is the same as the number of said connecting rods.

5. A devolatilizer internals as claimed in claim 3 wherein in each of said fluid exit regions, flow channels are provided below each of said apertures, said flow channels being inclined in a direction adjacent to said flow guides.

6. The devolatilizer internals as claimed in claim 5 wherein said flow channels are inclined to the direction of flow guides such that the angle formed between said flow channels and the bottom of said accumulator is between 30 ° and 75 °.

7. The devolatilizer internals as claimed in claim 2 wherein said accumulator is a conical box, said accumulator is a hollow structure with both upper and lower ends open, and said accumulator has an upper end with a width greater than a width of said lower end.

8. The devolatilizer internals as claimed in claim 1 wherein said flow splitter is adapted to divide the fluid exiting from the reservoir into two legs, said flow splitter comprising an arcuate or triangular shape.

9. The devolatilizer internals as claimed in claim 2 wherein said flow directing gauze comprises a plurality of rows of cells, said number of rows of cells being the same as the number of said diverters in each row, the distance between the ends of said diverters being the same as the width of said cells.

10. A devolatilizer comprising a tower body, a liquid distributor disposed within the tower body, and a plurality of layers of devolatilizer internals as claimed in claim 1.