CN211111876U - Liquid distributor - Google Patents
Liquid distributor Download PDFInfo
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- CN211111876U CN211111876U CN201921764784.XU CN201921764784U CN211111876U CN 211111876 U CN211111876 U CN 211111876U CN 201921764784 U CN201921764784 U CN 201921764784U CN 211111876 U CN211111876 U CN 211111876U
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- branch pipe
- pipe
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- liquid distributor
- branch pipes
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Abstract
The utility model discloses a liquid distributor, which consists of a main pipe, branch pipes and branch pipes which are sequentially communicated, wherein, the open end of the main pipe is positioned outside a container, a terminal is positioned at the center of the cross section of the container, and the vertical position of the terminal of the main pipe is lower than the open end of the main pipe; the main pipe terminal is communicated with the starting ends of at least two branch pipes which are symmetrically distributed, the vertical position of the branch pipe terminal is lower than the starting end of the branch pipe terminal, a plurality of branch pipes are uniformly distributed on the branch pipes, and the vertical position of the branch pipe terminal is lower than the starting end of the branch pipe terminal; the branch pipe and the branch pipe are provided with holes. The utility model provides a liquid distributor is used for heavy oil distribution's tower for with liquid evenly distributed to the tower in, can effectively reduce the distributor and block up.
Description
Technical Field
The utility model relates to a be applied to liquid distributor among the petrochemical, more specifically say, relate to a liquid distributor suitable for heavy oil reaction and separation.
Background
The liquid distributor is used to distribute or redistribute liquid uniformly on the top of the packing or a certain height to increase the effective surface of mass and heat transfer and improve the contact between phases, thus increasing the efficiency of the tower.
In order to reduce the amplification effect caused by the liquid maldistribution and fully utilize the packing efficiency of the extraction column, a liquid distributor must be installed in the packed column to distribute the liquid uniformly over the top of the packing layer. 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. Therefore, the liquid distributor is a very critical internal piece in the packed column. The current distributors have the structural forms of tube type, double-layer calandria, groove type, disc type, impact type, nozzle type, pagoda type, shower type, combination type and the like. Such a structural form is easier to distribute for light liquids with low viscosity and no sedimentation.
Most of raw materials for solvent deasphalting are residual oil, the viscosity is high, the difficulty in uniform distribution of liquid is high, the viscosity of the liquid is reduced by adding a solvent into heavy oil feeding in practical application, and the distribution effect of the heavy oil is improved. Especially for heavy oil containing solid particles, the conventional liquid distributor is easy to cause deposition of the heavy oil and the solid particles, so that the liquid distribution is not uniform, and the extraction effect of the tower is influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current heavy hydrocarbon oil liquid distributor and block up easily in the use, the problem that the fluid distributes unequally provides a mobility good, reduces the pipe blockage, distributes effectual liquid distributor.
The utility model provides a liquid distributor, which consists of a main pipe, branch pipes and branch pipes which are sequentially communicated, wherein, the open end of the main pipe is positioned outside the container, the terminal is positioned at the center of the cross section of the container, and the vertical position of the terminal of the main pipe is lower than the open end of the main pipe; the main pipe terminal is communicated with the starting ends of at least two branch pipes which are symmetrically distributed, the vertical position of the branch pipe terminal is lower than the starting end of the branch pipe terminal, a plurality of branch pipes are uniformly distributed on the branch pipes, and the vertical position of the branch pipe terminal is lower than the starting end of the branch pipe terminal; the branch pipe and the branch pipe are provided with holes.
The utility model provides a liquid distributor's working process is: taking a solvent deasphalting extraction tower as an example, heavy oil containing solid particles and a solvent mixed solution enter a branch pipe 2 from a main pipe 1 and then enter a branch pipe 3 from the branch pipe 2, the branch pipe and the branch pipe are obliquely arranged downwards to prevent the solid particles in the heavy oil from depositing in a distributor pipeline, and the heavy oil containing the solid particles and the solvent mixed solution enter the extraction tower from openings in the branch pipe 2 and the branch pipe 3 and are uniformly distributed on the cross section of the extraction tower.
The utility model provides a liquid distribution pipe's beneficial effect does:
the utility model provides a liquid distributor's be in charge of and branch pipe on evenly distributed have the trompil, can be with liquid evenly distributed to the container in. The branch pipe and the branch pipe are designed obliquely downwards, so that the mobility of heavy hydrocarbon oil is enhanced, the pipeline has a self-flushing function, the flow of heavy oil and particles is facilitated, and the blockage and deposition of the particles in the pipeline are avoided to influence the liquid distribution. The utility model provides a liquid distributor is used for heavy hydrocarbon oil to distribute, can effectively reduce the distributor and block up, improves the liquid distribution effect. The device is particularly suitable for a liquid distributor of a solvent deasphalting extraction tower, and can obviously improve the solvent extraction efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a top view of a liquid distributor according to the present invention.
Fig. 2 is a front view of a first branch structure of the liquid distributor according to the present invention.
FIG. 3 is a schematic diagram of the distribution of openings in the branch pipes and the branch pipes.
FIG. 4 is a schematic view of a radial cross section of a branch pipe opening in a liquid distributor.
Figure 5 is an elevation view of a single branch in a second branch configuration.
FIG. 6 is a front view of a single branch pipe in a third branch pipe configuration
FIG. 7 is a top view of a single branch pipe in a third branch pipe structure
Wherein:
1-main tube; 2-pipe separation; 3-branch pipe; 4-the vessel wall; 11. a first opening; 12-a second opening; 13-third opening.
Detailed Description
The following describes the embodiments of the present invention in detail. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
The utility model provides a liquid distributor, which consists of a main pipe, branch pipes and branch pipes which are sequentially communicated, wherein, the open end of the main pipe is positioned outside the container, the terminal is positioned at the center of the cross section of the container, and the vertical position of the terminal of the main pipe is lower than the open end of the main pipe; the main pipe terminal is communicated with the starting ends of at least two branch pipes which are uniformly distributed along the circumference, the vertical position of the branch pipe terminal is lower than the starting end of the branch pipe terminal, a plurality of branch pipes are uniformly distributed on the branch pipes, and the vertical position of the branch pipe terminal is lower than the starting end of the branch pipe terminal; the branch pipe and the branch pipe are provided with holes.
Preferably, the branch pipe is a straight pipe, the inclination angle of the axis of the branch pipe and the horizontal plane is 5-60 degrees, more preferably 10-40 degrees, the branch pipe is a straight pipe, and the inclination angle of the axis of the branch pipe and the horizontal plane is 5-50 degrees, more preferably 10-30 degrees.
Preferably, the pipe diameter ratio of the main pipe, the branch pipes and the branch pipes is 1.5-3: 1.1-2: 1.
preferably, the pipe wall of the branch pipe is uniformly distributed with open holes, and the diameter of each open hole is 5-20 mm.
Preferably, among the openings on the branch pipe, the number of the openings at the lowest point of the radial section of any point on the branch pipe is at least 1/3 of the total number of the openings.
Preferably, the pipe wall of the branch pipe is uniformly distributed with open pores, and the diameter of the open pores is 5-20 mm.
Preferably, the number of the openings of the branch pipe, which are positioned at the lowest point of the radial section of the branch pipe, is at least 1/3 of the total number of the openings.
Preferably, the end of the branch pipe is sealed and fixed on a support ring beam on the wall of the container.
The utility model provides a liquid distributor's working process is: taking a solvent deasphalting extraction tower as an example, heavy oil and solvent mixed liquor containing solid particles enters a branch pipe from a main pipe and then enters a branch pipe from the branch pipe, the branch pipe and the branch pipe are obliquely arranged downwards, and the heavy oil and solvent mixed liquor containing the solid particles enters the extraction tower from openings in the branch pipe and is uniformly distributed on the cross section of the extraction tower.
The structure and the working principle of the liquid distributor of the present invention are specifically described below with reference to the accompanying drawings.
Fig. 1 is a top view of a liquid distributor according to the present invention. Fig. 2 is a front view of a liquid distributor according to the present invention. As shown in attached figures 1 and 2, the liquid distributor consists of a main feeding pipe 1, branch pipes 2 and branch pipes 3, wherein the main feeding pipe 1 penetrates through the wall 4 of a container to serve as a material inlet, the terminal of the main feeding pipe 1 is coaxial with the container, the side wall of the terminal of the main feeding pipe 1 is communicated with the at least two branch pipes 2 which are axially and symmetrically distributed, and the other ends of the branch pipes are sealed by blind plates. The two sides of the branch pipe 2 are communicated with a plurality of branch pipes 3. The branch pipes 2 and the branch pipes 3 are provided with openings for uniformly distributing liquid into the tower.
The branch pipe 2 is preferably a round pipe, and an included angle between the axis of the branch pipe 2 and the horizontal plane is 5-60 degrees, preferably 10-40 degrees. One end of the branch pipe 2 is communicated with the terminal of the main pipe 1, the other end of the branch pipe is sealed by a blind plate, the sealed end of the branch pipe blind plate is preferably placed on a supporting ring beam on the wall of the tower and is fixed by a fork, the fixing mode is a conventional mode, and no special requirement exists.
FIG. 3 is a schematic view showing the distribution of openings in the branch pipes and the branch pipes. FIG. 4 is a schematic view of a radial cross section of a branch pipe opening in a liquid distributor. As shown in the attached figures 3 and 4, the branch pipe 2 is provided with an opening which is positioned at the lowest part of the radial section of the branch pipe, the opening area of the branch pipe is the non-connection area of the branch pipe and the branch pipe, and each opening area of the branch pipe is provided with 2-5 holes. The opening of the branch pipe 2 is preferably provided with a round hole, and the diameter of the opening is 5-50mm, preferably 8-20 mm. The blind plate at the tail end of the main pipe 1 is preferably provided with openings, the number of the openings is preferably 3-10, and the diameter of the openings is preferably 8-20 mm.
The branch pipes 3 are round pipes, each branch pipe 2 is provided with a plurality of parallel branch pipes, a plurality of branch pipes on the same branch pipe 2 are uniformly distributed along the axial direction, one end of each branch pipe 3 is communicated with the branch pipe 2, and the other end of each branch pipe is sealed. One end of the branch pipe 3 which is sealed by the blind plate is placed on a supporting ring beam on the wall of the tower and is fixed by a fork, and the fixing mode is a conventional mode without special requirements. The included angle between the axis of the branch pipe 3 and the horizontal plane is 5-50 degrees, and preferably 10-30 degrees.
The branch pipe 3 is provided with an opening, a row of three holes, namely a first opening 11, a second opening 12 and a third opening 13 are formed at the position of the opening, which is 100-300mm away from the connecting position of the branch pipe and the branch pipe. In the three openings, the second opening 12 is located at the lowest point of the radial section of the branch pipe 3, the first opening 11 and the third opening 13 are symmetrically distributed, and the included angle a between the center line of the first opening 11 and the center line of the third opening 13 and the vertical line of the radial section of the branch pipe 3 is 10-60 degrees, preferably 20-50 degrees. The branch pipe 3 is provided with a plurality of rows of holes, and in the plurality of rows of holes, the holes are preferably not formed at the bottommost point of the branch pipe 3 at intervals of one row of holes.
The branch pipe 3 can be an arc pipe except that the first structure is a straight pipe, as shown in the attached drawing 5, the arc pipe is manufactured by bending the straight pipe, and the tail end of the arc pipe, namely the included angle b (defined as the inclined angle of the arc pipe) between the straight line from the center of one end far away from the branch pipe 1 to the circle center of the branch pipe 1 and the horizontal line is preferably 10-30 degrees. The tail end of the arc pipe is sealed and fixed on a supporting ring beam on the wall of the tower through a fork. The arc pipe can also be formed by connecting multiple sections of arc pipes with different inclination angles, and 1-3 sections are preferred. The bottom of the branch pipe arc pipe is provided with a hole which is required to be the same as the first branch pipe structure.
The branch pipe 3 can also adopt a spiral pipeline structure, and the manufacturing mode adopts the mode that the branch pipe is bent according to the requirement of a spiral line; as shown in the attached figure 6, the included angle b between the straight line of the axis of the branch pipe 3 at the center of the cross section of the tail end and the circle center of the branch pipe 1 and the horizontal line is preferably 10-30 degrees; as shown in FIG. 7, the included angle y between the center of the tail end of the horizontal projection of the branch pipe 3 and the tangent line at the connection part of the horizontal projection of the branch pipe 3 and the projection of the branch pipe 1 is preferably 0-20 degrees. When the branch pipe 3 is a spiral branch pipe, the opening requirement is the same as that of the first branch pipe structure.
The branch pipes 3 are round pipes, each branch pipe 2 is provided with a plurality of parallel branch pipes, a plurality of branch pipes on the same branch pipe 2 are uniformly distributed along the axial direction, one end of each branch pipe 3 is communicated with the branch pipe 2, and the other end of each branch pipe is sealed. One end of the branch pipe 3 which is sealed by the blind plate is placed on a supporting ring beam on the wall of the tower and is fixed by a fork, and the fixing mode is a conventional mode without special requirements. The included angle between the axis of the branch pipe 3 and the horizontal plane is 5-50 degrees, and preferably 10-30 degrees.
The utility model provides a liquid distributor's working process is: taking a solvent deasphalting extraction tower as an example, a heavy oil and solvent mixed solution containing solid particles enters a branch pipe 2 from a main pipe 1, then enters a branch pipe 3 from the branch pipe 2, enters the extraction tower from openings on the branch pipe 2 and the branch pipe 3, and is uniformly distributed on the cross section of the extraction tower.
Because the branch pipe 2 and the branch pipe 3 are both arranged obliquely downwards, heavy oil containing solid particles is not easy to deposit at the bottom of the pipeline, and in addition, the lowest point of the radial cross section of the branch pipe 2 and the branch pipe 3 is provided with an opening, so that the solid particles can flow out of the opening, the blockage and deposition of the particles in the pipeline can be effectively avoided, the liquid distribution can be influenced, and the solvent extraction efficiency can be effectively improved.
Claims (10)
1. A liquid distributor consists of a main pipe, branch pipes and branch pipes which are sequentially communicated, wherein the opening end of the main pipe is positioned outside a container, the terminal end is positioned in the center of the cross section of the container, and the vertical position of the terminal end of the main pipe is lower than that of the main pipe; the main pipe terminal is communicated with the starting ends of at least two branch pipes which are uniformly distributed, the vertical position of the branch pipe terminal is lower than the starting ends of the branch pipes, a plurality of branch pipes are uniformly distributed on the branch pipes, and the vertical position of the branch pipe terminal is lower than the starting ends of the branch pipes; the branch pipe and the branch pipe are provided with holes.
2. The liquid distributor according to claim 1, wherein the branch pipe is a straight pipe, the inclination angle between the axis of the branch pipe and the horizontal plane is 5-60 °, the branch pipe is a straight pipe, and the inclination angle between the axis of the branch pipe and the horizontal plane is 5-60 °.
3. The liquid distributor according to claim 2, wherein the included angle between the axis of the branch pipe and the horizontal plane is 10-40 °.
4. The liquid distributor of claim 2, wherein the axes of the branch pipes form an angle of 10-30 ° with the horizontal plane.
5. The liquid distributor according to claim 1, wherein the ratio of the diameters of the main pipe, the branch pipe and the branch pipe is (1.5-3): (1.1-2): 1.
6. the liquid distributor according to claim 1, wherein the walls of the branched tubes are provided with openings having a diameter of 5-20 mm.
7. The fluid distributor of claim 6, wherein the openings in the manifold have a minimum of 1/3 total openings at the lowest point of the vertical cut at the opening.
8. The liquid distributor of claim 6, wherein the walls of the branch pipes are provided with openings having a diameter of 5-20 mm.
9. The liquid distributor of claim 8, wherein the openings in said branch pipe have a lowest point in a vertical section at the opening of at least 1/3% of the total number of openings.
10. The liquid distributor of claim 1, wherein the ends of the branch pipes are sealed and secured to support ring beams on the vessel wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921764784.XU CN211111876U (en) | 2019-10-21 | 2019-10-21 | Liquid distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921764784.XU CN211111876U (en) | 2019-10-21 | 2019-10-21 | Liquid distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211111876U true CN211111876U (en) | 2020-07-28 |
Family
ID=71707403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921764784.XU Active CN211111876U (en) | 2019-10-21 | 2019-10-21 | Liquid distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211111876U (en) |
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2019
- 2019-10-21 CN CN201921764784.XU patent/CN211111876U/en active Active
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