CN210496451U - Steel lining tetrafluoro liquid distributor for reaction tower - Google Patents
Steel lining tetrafluoro liquid distributor for reaction tower Download PDFInfo
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- CN210496451U CN210496451U CN201921383154.8U CN201921383154U CN210496451U CN 210496451 U CN210496451 U CN 210496451U CN 201921383154 U CN201921383154 U CN 201921383154U CN 210496451 U CN210496451 U CN 210496451U
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Abstract
The utility model discloses a steel lining tetrafluoro liquid distributor that reaction tower was used aims at providing the better steel lining tetrafluoro liquid distributor that reaction tower was used of a distribution homogeneity. The device comprises a chassis and a plurality of air risers which are arranged on the chassis and provided with air outlets at the upper part; the chassis comprises a steel pore plate and a polytetrafluoroethylene layer, wherein the steel pore plate is provided with a plurality of through holes for mounting the gas lift pipe, and the polytetrafluoroethylene layer wraps the surface of the steel pore plate; a plurality of tear holes are formed in the chassis and close to the outer edge of the chassis; the upper end of the riser is closed; the lower end of the gas lift pipe is in threaded connection with the through hole of the chassis; the lower part of the gas lift pipe is provided with a first liquid distribution hole group higher than the upper end of the chassis, and the middle part of the gas lift pipe is provided with a second liquid distribution hole group. The utility model is suitable for a liquid distribution of various reaction towers uses.
Description
Technical Field
The utility model belongs to the technical field of reaction tower technique and specifically relates to a steel lining tetrafluoro liquid distributor that reaction tower was used is related to.
Background
The liquid distributor in the reaction tower is a core part of the tower, determines the reaction efficiency of the reaction tower, and in many working conditions of high temperature and strong corrosion, the liquid distributor is made of polytetrafluoroethylene anticorrosive materials to ensure the smooth production. For a long time, the distributor made of polytetrafluoroethylene has the problem of large thermal deformation when used under a high-temperature working condition, because the thermal deformation and the unreasonable design concept of seeking for uniform distribution of liquid seriously influence the uniformity of liquid distribution. The traditional principle of uniform distribution is that the distributor must be horizontally installed and the V-shaped overflow notches or overflow holes on all the gas risers are strictly ensured to be positioned on the same horizontal plane, so that the liquid can uniformly overflow and fall from the same horizontal plane to achieve the uniform distribution effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a steel lining PTFE liquid distributor for a reaction tower with good liquid distribution uniformity.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
a steel lining PTFE liquid distributor for a reaction tower comprises a chassis and a plurality of air risers which are arranged on the chassis and provided with air outlets at the upper part; the chassis comprises a steel pore plate and a polytetrafluoroethylene layer, wherein the steel pore plate is provided with a plurality of through holes for mounting the gas lift pipe, and the polytetrafluoroethylene layer wraps the surface of the steel pore plate; a plurality of tear holes are formed in the chassis and close to the outer edge of the chassis; the upper end of the riser is closed; the lower end of the gas lift pipe is in threaded connection with the through hole of the chassis; the lower part of the gas lift pipe is provided with a first liquid distribution hole group higher than the upper end of the chassis, and the middle part of the gas lift pipe is provided with a second liquid distribution hole group.
Preferably, the polytetrafluoroethylene layer has a thickness of not less than 12 mm.
Preferably, the sum of the cross-sectional areas of the chimneys is greater than 33% of the internal cross-sectional area of the column.
Preferably, the first set of liquid distribution holes comprises a plurality of first distribution holes distributed circumferentially along the riser wall.
Preferably, the first distribution holes are arranged in an inclined manner, and the lower ends of the first distribution holes are positioned on the inner wall of the gas lift pipe.
Preferably, the second set of liquid distribution holes comprises a plurality of second distribution holes distributed circumferentially along the riser wall.
Preferably, the air outlet is rectangular.
Compared with the prior art, the utility model has the advantages of as follows:
the utility model discloses structure, the liquid equipartition principle design of chassis and gas lift pipe are improved, and its liquid distribution principle relies on the produced fluid pressure of the ascending liquid level of distributor chassis to make liquid spout through first liquid distribution punch combination and second liquid distribution punch combination, reaches evenly distributed's good effect (rather than rely on same horizontal overflow equipartition) to the weak point that the homogeneity is not good in the distributor of the past has been solved.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a top view of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention. In the following description, for the sake of clarity of illustrating the structure and operation of the present invention, reference will be made to the accompanying drawings by means of directional terms, but the terms "front", "rear", "left", "right", "up", "down", etc. should be construed as convenient terms and not as limitative terms.
A steel-lined tetrafluoro liquid distributor for a reaction tower shown in fig. 1-3, which is installed between two tower sections of a reaction tower in use and is clamped by flanges of the upper and lower tower sections; the distributor comprises a chassis 1 and a plurality of air risers 3 which are arranged on the chassis 1 and provided with air outlets 2 at the upper part; the chassis 1 comprises a steel pore plate 4 with a plurality of through holes for mounting the gas lift pipe 3 and a polytetrafluoroethylene layer 5 wrapping the surface of the steel pore plate 4; a plurality of tear holes 6 are arranged on the chassis 1 and close to the outer edge of the chassis, and the tear holes 6 mainly play a role in draining after parking and also play a role in liquid distribution during operation; the upper end of the gas rising pipe 3 is closed; the lower end of the gas lift pipe 3 is connected to the through hole of the chassis 1 through a thread; the lower part of the gas lift pipe 3 is provided with a first liquid distribution hole group 7 higher than the upper end of the chassis 1, and the middle part of the gas lift pipe 3 is provided with a second liquid distribution hole group 8.
As a preferred technical solution, the thickness of the polytetrafluoroethylene layer 5 is not less than 12 mm. The polytetrafluoroethylene layer 5 can be integrally lined on the steel orifice plate 4 by adopting a novel fluorine mould pressing sintering process. The chassis 1 can pass 50KV electric spark detection and is not deformed when used under the high-temperature working condition of 200 ℃. The chassis 1 is the foundation for ensuring that the distributor does not deform in high-temperature use, resists various strong corrosions and can be used for a long time, and the thickness of the steel pore plate 4 and the thickness of the polytetrafluoroethylene layer 5 are different according to products with different specifications.
As a preferable technical scheme, the sum of the sectional areas of the gas rising pipes 3 is more than 33 percent of the sectional area in the tower, and smooth liquid outlet is ensured. The gas-lift pipe 3 can be a pure tetrafluoro member made by an integral die pressing sintering process and is assembled on the chassis 1 in a threaded connection mode respectively.
In this embodiment, the first liquid distribution hole group 7 includes a plurality of first distribution holes 71 circumferentially distributed along the wall surface of the gas rising pipe 3. The first distribution holes are preferably arranged in an inclined manner, and the lower ends of the first distribution holes are positioned on the inner wall of the gas lift pipe 3. The second liquid distribution hole group 8 includes a plurality of second distribution holes 81 circumferentially distributed along the wall surface of the draft tube 3. Further ensuring uniformity of liquid distribution. The aperture, the number and the arrangement height of the first distribution holes and the second distribution holes are determined by calculating according to the liquid inlet amount of the tower.
In the present embodiment, the air outlet 2 is rectangular, but it is obvious that other suitable shapes are also possible.
This liquid distributor's liquid equipartition principle is different with traditional distributor, the utility model provides an equipartition principle lets liquid above the distributor reach certain liquid level, and under liquid layer pressure effect, liquid passes through the liquid distribution aperture (first distribution hole, second distribution hole) on each riser 3, in certain angle direction spouts riser 3 along, free liquid motion falls on the packing layer again, lets all filler surfaces moist, full play filler's specific surface area's effect. By adopting the liquid uniform distribution principle and the design scheme, the operation elasticity of the tower is large, the distribution is good, and the efficiency of the tower is improved.
For the convenience of manufacture, transportation, installation and maintenance, the chassis 1 can be manufactured by dividing into a plurality of blocks for the liquid distributor required by a large-scale reaction tower (the diameter of the tower is more than 2 meters), a large-scale liquid distributor is assembled when the liquid distributor is installed, the joints of the blocks of the chassis 1 are jointed through concave-convex surfaces and are embedded with elastic tetrafluoro sealing strips, and the liquid distribution principle, the material, the structure and the manufacturing process of the large-diameter liquid distributor formed by the assembly are consistent with the above contents.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A steel lining PTFE liquid distributor for a reaction tower comprises a chassis and a plurality of air risers which are arranged on the chassis and provided with air outlets at the upper part; the method is characterized in that: the chassis comprises a steel pore plate and a polytetrafluoroethylene layer, wherein the steel pore plate is provided with a plurality of through holes for mounting the gas lift pipe, and the polytetrafluoroethylene layer wraps the surface of the steel pore plate; a plurality of tear holes are formed in the chassis and close to the outer edge of the chassis; the upper end of the riser is closed; the lower end of the gas lift pipe is in threaded connection with the through hole of the chassis; the lower part of the gas lift pipe is provided with a first liquid distribution hole group higher than the upper end of the chassis, and the middle part of the gas lift pipe is provided with a second liquid distribution hole group.
2. The steel-lined tetrafluoro liquid distributor for use in the reaction column according to claim 1, wherein: the thickness of the polytetrafluoroethylene layer is not less than 12 mm.
3. The steel-lined tetrafluoro liquid distributor for reaction column according to claim 1 or 2, characterized in that: the sum of the cross-sectional areas of the gas risers is greater than 33% of the cross-sectional area in the tower.
4. The steel-lined tetrafluoro liquid distributor for reaction column according to claim 1 or 2, characterized in that: the first liquid distribution orifice group comprises a plurality of first distribution orifices distributed circumferentially along the riser wall.
5. The steel-lined tetrafluoro liquid distributor for use in the reaction column according to claim 3, wherein: the first liquid distribution orifice group comprises a plurality of first distribution orifices distributed circumferentially along the riser wall.
6. The steel-lined tetrafluoro liquid distributor for use in the reaction column according to claim 4, wherein: the first distribution holes are arranged in an inclined manner, and the lower ends of the first distribution holes are positioned on the inner wall of the gas lift pipe.
7. The steel-lined tetrafluoro liquid distributor for reaction column according to claim 1 or 2, characterized in that: the second liquid distribution hole group comprises a plurality of second distribution holes distributed along the circumferential direction of the wall surface of the gas lift pipe.
8. The steel-lined tetrafluoro liquid distributor for use in the reaction column according to claim 3, wherein: the second liquid distribution hole group comprises a plurality of second distribution holes distributed along the circumferential direction of the wall surface of the gas lift pipe.
9. The steel-lined tetrafluoro liquid distributor for reaction column according to claim 1 or 2, characterized in that: the air outlet is rectangular.
10. The steel-lined tetrafluoro liquid distributor for use in the reaction column according to claim 3, wherein: the air outlet is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921383154.8U CN210496451U (en) | 2019-08-23 | 2019-08-23 | Steel lining tetrafluoro liquid distributor for reaction tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921383154.8U CN210496451U (en) | 2019-08-23 | 2019-08-23 | Steel lining tetrafluoro liquid distributor for reaction tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210496451U true CN210496451U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921383154.8U Active CN210496451U (en) | 2019-08-23 | 2019-08-23 | Steel lining tetrafluoro liquid distributor for reaction tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210496451U (en) |
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2019
- 2019-08-23 CN CN201921383154.8U patent/CN210496451U/en active Active
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