CN116920779A - Liquid distributor and reactor - Google Patents
Liquid distributor and reactor Download PDFInfo
- Publication number
- CN116920779A CN116920779A CN202210325131.1A CN202210325131A CN116920779A CN 116920779 A CN116920779 A CN 116920779A CN 202210325131 A CN202210325131 A CN 202210325131A CN 116920779 A CN116920779 A CN 116920779A
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- China
- Prior art keywords
- reactor
- cylinder
- liquid distributor
- guide
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 74
- 239000006185 dispersion Substances 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/32—Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The utility model provides a liquid distributor and reactor, locates in the reactor, and is close to the feed inlet of reactor bottom, liquid distributor including connect in the reactor inner wall and from inside to outside cover establish and coaxial a plurality of annular draft tubes in proper order, form the liquid runner between the adjacent draft tube, the one end of liquid runner is close to the feed inlet, the other end is towards inside the reactor. According to the liquid distributor, the flow guide cylinders are used for forming a plurality of annular dispersion streamline-shaped liquid channels, so that liquid entering the reactor can be uniformly distributed along the section of the reactor from bottom to top, and the reaction efficiency is improved.
Description
Technical Field
The application belongs to the technical field of petrochemical equipment, and particularly relates to a liquid distributor and a reactor.
Background
In petroleum and chemical engineering devices, heat exchange tubes are uniformly distributed on the inner wall of a reactor device, and when liquid axially flows into the reactor, the liquid is heated and contacts with a medium (catalyst) in the heat exchange tubes to generate chemical reaction. In this process, the liquid enters the reactor, and a part of the liquid flows along the inner wall of the reactor to form a liquid flow, so that the liquid cannot sufficiently contact with the catalyst, and the reaction efficiency is low. Therefore, a liquid distributor is needed to solve the above-mentioned problems.
Disclosure of Invention
The application aims to provide a liquid distributor and a reactor, which can improve the uniformity of liquid flow of the reactor, reduce the impact force of fluid and improve the reaction efficiency.
In order to achieve the above purpose, the application provides a liquid distributor, which is arranged in a reactor and is close to a feed inlet at the bottom of the reactor, wherein the liquid distributor comprises a plurality of annular guide cylinders which are connected to the inner wall of the reactor and are sleeved in sequence from inside to outside and are coaxial, a liquid flow channel is formed between adjacent guide cylinders, one end of the liquid flow channel is close to the feed inlet, and the other end of the liquid flow channel faces the inside of the reactor.
Preferably, each guide cylinder comprises a straight cylinder and a dispersion streamline cylinder, wherein the straight cylinders are sequentially connected from bottom to top, the diameters of the dispersion streamline cylinders gradually become larger from bottom to top, and the straight cylinders are close to the feed inlet; the top ends and the bottom ends of the guide barrels are respectively flush.
Preferably, the number of the guide barrels is 2-10; and/or the number of the groups of groups,
the diameter range of the small diameter end of the guide cylinder is 50-500 mm.
Preferably, the distance between adjacent guide barrels is 20-100 mm.
Preferably, the length of the dispersion streamline cylinder is 2/3 of the total length of the guide cylinder, the dispersion streamline cylinder comprises a large-diameter end and a small-diameter end, the diameter of the small-diameter end of each guide cylinder is equal to the diameter of the straight cylinder, and the diameter of the large-diameter end of each guide cylinder is equal to the diameter of the straight cylinder of the guide cylinder positioned outside the large-diameter end;
the large diameter end and the small diameter end of each guide cylinder are connected through a streamline, and the radius of the streamline is 4 times of the diameter of the straight cylinder.
Preferably, the distance between each adjacent guide barrels is the same, or the distance between each adjacent guide barrels is different.
Preferably, the reactor further comprises a plurality of lacing wire assemblies, the lacing wire assemblies are arranged in parallel along the horizontal direction, each lacing wire assembly comprises a plurality of lacing wires uniformly distributed along the circumference of the guide cylinder, the lacing wires extend along the radial direction of the guide cylinder, and the lacing wires are sequentially connected to the cylinder walls of the guide cylinders and are connected to the inner wall of the reactor.
Preferably, the reactor further comprises a plurality of supporting members, one end of each supporting member is connected with the lacing wire assembly close to the feed inlet of the reactor, and the other end is connected with the inner wall of the feed inlet.
Preferably, the material of the guide cylinder is the same as that of the reactor.
The application also provides a reactor comprising the liquid distributor.
The application relates to a liquid distributor, which has the beneficial effects that: a plurality of annular liquid channels are formed through the guide cylinder and sleeved in sequence, so that liquid entering the reactor can be uniformly distributed along the section of the reactor from bottom to top, the impact force of fluid is reduced, and the reaction efficiency is improved.
Additional features and advantages of the application will be set forth in the detailed description which follows.
Drawings
The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.
FIG. 1 shows a schematic diagram of a liquid distributor according to an exemplary embodiment of the present application;
fig. 2 shows a top view of a liquid distributor according to an exemplary embodiment of the present application.
Reference numerals illustrate:
1. a reactor; 2. a guide cylinder; 3. lacing wires; 4. a support; 5. and a feed inlet.
Detailed Description
Preferred embodiments of the present application will be described in more detail below. While the preferred embodiments of the present application are described below, it should be understood that the present application 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 application to those skilled in the art.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
In order to solve the problems in the prior art, the application provides a liquid distributor, fig. 1 shows a schematic structural view of the liquid distributor, fig. 2 shows a top view in a direction A in fig. 1, as shown in fig. 1 and 2, the liquid distributor is arranged in a reactor 1 and is close to a feed inlet 5 at the bottom of the reactor 1, the liquid distributor comprises a plurality of annular guide cylinders 2 which are connected to the inner wall of the reactor 1 and are sleeved in sequence from inside to outside and are coaxial, a liquid flow channel is formed between adjacent guide cylinders 2, one end of the liquid flow channel is close to the feed inlet 5 of the reactor 1, and the other end of the liquid flow channel faces the inside of the reactor 1.
According to the liquid distributor, a plurality of annular liquid channels which are sleeved in sequence are formed through the guide cylinder 2, so that liquid entering the reactor 1 can be uniformly distributed along the section of the reactor 1 from bottom to top, the impact force of fluid is reduced, and the reaction efficiency is improved.
Each guide cylinder 2 comprises a straight cylinder and a dispersion streamline cylinder, wherein the straight cylinders are sequentially connected from bottom to top, the diameter of the dispersion streamline cylinder gradually increases from bottom to top, the straight cylinders are close to a feed inlet 5 of the reactor 1, and the top ends and the bottom ends of the guide cylinders 2 are respectively flush.
The multiple guide cylinders 2 are coaxially arranged, a liquid flow channel is formed between the adjacent guide cylinders 2, liquid is injected upwards from the feed inlet 5 of the reactor 1 at a certain pressure, the injected liquid enters the reactor 1 along the liquid channel of the guide cylinders 2, the guide cylinders 2 are cylindrical, the guide cylinders 2 are in the shape of horns formed by connecting straight cylinders and dispersion streamline cylinders, the liquid can be uniformly distributed along the section of the reactor 1, so that the liquid can fully react with the catalyst of the heat exchange tube in the reactor 1, the reaction efficiency is improved, and the liquid distributor can effectively and uniformly distribute inlet liquid along the section of the cylinder of the reactor 1.
The number of the guide barrels 2 is 2-10; and/or the diameter of the small diameter end of the guide cylinder 2 is 50-500 mm. The distance between adjacent guide barrels 2 is 20-100 mm. According to the parameter requirements of the type and the flow speed of the liquid medium, the distance between the adjacent guide cylinders 2 can be properly adjusted, and when the distance between the adjacent guide cylinders 2 is increased, the liquid speed and the liquid flow rate passing through the liquid flow channel are relatively large.
In one embodiment of the application, the length of the dispersion streamline barrel is 2/3 of the total length of the guide barrels 2, the length of the straight barrel is 1/3 of the total length of the guide barrels 2, the dispersion streamline barrel comprises a large-diameter end and a small-diameter end, the diameter of the small-diameter end of each guide barrel 2 is equal to the diameter of the straight barrel, and the diameter of the large-diameter end of each guide barrel 2 is equal to the diameter of the straight barrel of the guide barrel 2 positioned outside the guide barrel;
the large diameter end and the small diameter end of each guide cylinder 2 are connected through a streamline, the radius of the streamline is 4 times of the diameter of the straight cylinder, the liquid distributor under the condition has good liquid distribution uniformity, and the impact force of the fluid is smaller.
The number of guide barrels 2 can be adjusted according to different specifications of the reactor 1, and the larger the inner diameter of the reactor 1 is, the larger the number of guide barrels 2 is required. The diameter of the small diameter end of the guide cylinder 2 is smaller than the inner diameter of the feed inlet 5 according to the inner diameter of the feed inlet 5, the liquid flow rate, the liquid type and other requirements, the diameter phi A of the small diameter end of the guide cylinder 2 positioned at the innermost side is smaller than the inner diameter of the feed inlet 5, and the diameter of the small diameter end of the guide cylinder 2 positioned at the outermost side can be larger than the inner diameter of the feed inlet 5.
Preferably, the distance between each adjacent guide cylinder 2 may be the same, and the distance between each adjacent guide cylinder 2 may be different, according to the type of liquid, the flow rate of the liquid, and the like.
In the application, the liquid distributor further comprises a plurality of lacing wire assemblies which are horizontally arranged and are parallel to each other, each lacing wire assembly comprises a plurality of lacing wires 3 which are uniformly distributed along the circumference of the guide cylinder 2, the lacing wires 3 extend along the radial direction of the guide cylinder 2, and the lacing wires 3 are sequentially connected to the cylinder walls of the guide cylinders 2 and are connected to the inner wall of the reactor 1. The tie bars 3 are used for fixing between the plurality of guide barrels 2 and are connected to the inner wall of the reactor 1 by bolts or welding.
The number of the lacing wire components is determined according to actual requirements, and the lacing wire components are respectively positioned at the bottom end, the top end and the middle part of the guide cylinder 2, and if the height of the guide cylinder 2 is higher, a plurality of lacing wire components can be arranged; the lacing wires 3 are arranged along the radial direction, and the plurality of lacing wires 3 are radially distributed by taking the center of the guide cylinder 2 as the center.
Preferably, the tie bars 3 are bolted to the inner wall of the reactor 1. The reactor 1 is close to feed inlet 5 department and is curved arc wall for drawing in, and reactor 1 connects in the section of thick bamboo wall of this arc wall and is a straight section of thick bamboo, and the inner wall of reactor 1 is equipped with bellied first connecting plate for the part of straight section of thick bamboo, and lacing wire 3 passes through bolted connection in first connecting plate, and the part of arc wall is equipped with curved reinforcing plate, and the reinforcing plate laminating is in the section of thick bamboo wall setting of reactor 1, and lacing wire 3 passes through bolted connection in the reinforcing plate.
The liquid distributor further comprises a plurality of supporting pieces 4, one end of each supporting piece 4 is connected to a lacing wire component close to the feed inlet 5 of the reactor 1, the other end of each supporting piece is connected to the inner wall of the feed inlet 5, and the supporting pieces 4 are used for supporting the plurality of guide cylinders 2 and fixedly connecting the plurality of guide cylinders 2 with the feed inlet 5.
In one embodiment of the application, the supporting frame 4 is arranged along the vertical direction, the inner wall of the feeding hole 5 is provided with a plurality of second connecting plates, the second connecting plates are uniformly distributed along the circumferential direction of the inner wall of the feeding hole 5, the supporting piece 4 is of a strip-shaped plate structure, one end of the supporting piece is connected with the lacing wire 3 of the lacing wire assembly, and the other end of the supporting piece is connected with the second connecting plates.
In one embodiment of the application, the number of the supporting pieces 4 is 4, the lacing wire assembly positioned at the bottom end of the guide cylinder 2 comprises 8 lacing wires 3 which extend along the radial direction of the guide cylinder 2 and are connected with the inner wall of the reactor 1,
in the lacing wire subassembly that is arranged in guide cylinder 2 top, lacing wire 3's quantity is 6, and the both ends of every lacing wire 3 all are connected in the inner wall of reactor 1, and the middle part is connected in guide cylinder 2's top, and 6 lacing wires 3 are horizontal and vertical alternately setting.
In the application, the material of the guide cylinder 2 is the same as that of the reactor 1, the material can be selected according to the requirement, the lacing wire 3 and the supporting piece 4 can be the same as that of the guide cylinder 2, and a corrosion-resistant layer can be formed on the surface according to the requirement of corrosion-resistant treatment.
The application provides a reactor comprising the liquid distributor.
The foregoing description of embodiments of the application has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (10)
1. The utility model provides a liquid distributor, locates in reactor (1), and be close to feed inlet (5) of reactor (1) bottom, its characterized in that, liquid distributor including connect in reactor (1) inner wall and from inside to outside cover establish and coaxial a plurality of annular draft tube (2) in proper order, adjacent form the liquid runner between draft tube (2), the one end of liquid runner is close to feed inlet (5), the other end orientation inside reactor (1).
2. The liquid distributor according to claim 1, characterized in that each of said guide cylinders (2) comprises a straight cylinder and a dispersion streamline cylinder with progressively larger diameter from bottom to top, connected in sequence from bottom to top, said straight cylinder being close to said feed inlet (5); the top ends and the bottom ends of the guide barrels (2) are respectively flush.
3. The liquid distributor according to claim 2, wherein the number of guide cylinders (2) is 2-10; and/or the number of the groups of groups,
the diameter range of the small diameter end of the guide cylinder (2) is 50-500.
4. A liquid distributor according to claim 2, characterized in that the distance between adjacent guide cylinders (2) is 20-100 mm.
5. A liquid distributor according to claim 2, wherein the length of the dispersion streamline cylinder is 2/3 of the total length of the guide cylinders (2), the dispersion streamline cylinder comprises a large diameter end and a small diameter end, the diameter of the small diameter end of each guide cylinder (2) is equal to the diameter of the straight cylinder thereof, and the diameter of the large diameter end of each guide cylinder (2) is equal to the diameter of the straight cylinder of the guide cylinder (2) located outside thereof;
the large diameter end and the small diameter end of each guide cylinder (2) are connected through a streamline, and the radius of the streamline is 4 times of the diameter of the straight cylinder.
6. A liquid distributor according to claim 2, characterized in that the distance between each adjacent guide cylinder (2) is the same or the distance between each adjacent guide cylinder (2) is different.
7. The liquid distributor according to claim 1, further comprising a plurality of tie bar assemblies, wherein a plurality of tie bar assemblies are arranged in a horizontal direction and are parallel to each other, each tie bar assembly comprises a plurality of tie bars (3) uniformly distributed along the circumference of the guide cylinder (2), the tie bars (3) extend along the radial direction of the guide cylinder (2), and the tie bars (3) are sequentially connected to the cylinder walls of a plurality of guide cylinders (2) and are connected to the inner wall of the reactor (1).
8. The liquid distributor according to claim 7, further comprising a plurality of support members (4), one end of each support member (4) being connected to the lacing wire assembly near the feed inlet (5) of the reactor (1), the other end being connected to the inner wall of the feed inlet (5).
9. The liquid distributor according to claim 1, characterized in that the material of the guide cylinder (2) is the same as the material of the reactor (1).
10. Reactor, characterized by comprising a liquid distributor according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210325131.1A CN116920779A (en) | 2022-03-30 | 2022-03-30 | Liquid distributor and reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210325131.1A CN116920779A (en) | 2022-03-30 | 2022-03-30 | Liquid distributor and reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116920779A true CN116920779A (en) | 2023-10-24 |
Family
ID=88374026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210325131.1A Pending CN116920779A (en) | 2022-03-30 | 2022-03-30 | Liquid distributor and reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116920779A (en) |
-
2022
- 2022-03-30 CN CN202210325131.1A patent/CN116920779A/en active Pending
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