CN115738342B - Catalytic rectifying tower reactor for catalyst production - Google Patents
Catalytic rectifying tower reactor for catalyst production Download PDFInfo
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- CN115738342B CN115738342B CN202211688280.0A CN202211688280A CN115738342B CN 115738342 B CN115738342 B CN 115738342B CN 202211688280 A CN202211688280 A CN 202211688280A CN 115738342 B CN115738342 B CN 115738342B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to the field of catalyst production equipment, in particular to a catalytic rectifying tower reactor for catalyst production, which comprises a tower body, a heat exchanger and a reboiler, wherein a tower plate is arranged in the tower body, a first discharge pipe and a first return pipe which are communicated with the inside of the tower body are arranged at the top of the tower body, the first discharge pipe and the first return pipe are respectively connected with the heat exchanger, and a first product outlet is arranged on the first return pipe; the bottom of the tower body is provided with a second discharge pipe and a second return pipe which are communicated with the inside of the tower body, the second discharge pipe and the second return pipe are respectively connected with the reboiler, a second product outlet is formed in the reboiler, a plurality of liquid baffle plates are arranged on the top tray, the liquid baffle plates are elastic liquid baffle plates, and the adjacent liquid baffle plates can be mutually extruded and deformed under the action of external force. When the catalytic rectifying tower reactor is used, before high-temperature gas is discharged, the high-temperature gas is blocked by the liquid blocking plate, and liquid mist is not easy to be mixed in the high-temperature gas to be discharged.
Description
Technical Field
The invention relates to the field of catalyst production equipment, in particular to a catalytic rectifying tower reactor for catalyst production.
Background
The catalytic rectifying tower reactor is a tower type vapor-liquid contact device, is commonly used for separating and purifying mixtures, is commonly used in catalyst production application, wherein the plate type catalytic rectifying tower reactor is a common catalytic rectifying tower reactor, high-temperature gas is directly discharged through a tower plate and exchanges heat with an external heat exchanger when the catalyst is produced, a small amount of liquid mist is sometimes mixed in the high-temperature gas in the process of discharging the high-temperature gas, and the liquid mist is mixed in the high-temperature gas and exchanges heat with a product through the heat exchanger, so that the purity of the product is reduced, the purity requirement of the product cannot be met when the tertiary amine polyurethane catalyst is produced, and in order to improve the purity of the product, the existing mode is a mode of using the catalytic rectifying tower reactor for multi-stage purification, and the complexity and the use cost of the catalytic rectifying tower reactor are greatly increased. Therefore, how to prevent the liquid mist from being mixed in the high-temperature gas and being discharged is a technical problem to be solved urgently.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a catalytic rectifying tower reactor for catalyst production, so as to solve the technical problems.
In order to achieve the above object, the present invention provides the following technical solutions:
the catalytic rectifying tower reactor for catalyst production comprises a tower body, a heat exchanger and a reboiler, wherein a tower plate is arranged in the tower body, a first discharge pipe and a first return pipe which are communicated with the inside of the tower body are arranged at the top of the tower body, the first discharge pipe and the first return pipe are respectively connected with the heat exchanger, and a first product outlet is formed in the first return pipe; the bottom of the tower body is provided with a second discharge pipe and a second return pipe which are communicated with the inside of the tower body, the second discharge pipe and the second return pipe are respectively connected with the reboiler, a second product outlet is formed in the reboiler, a plurality of liquid baffle plates are arranged on the top plate, the liquid baffle plates are elastic liquid baffle plates, and the adjacent liquid baffle plates can be mutually extruded and deformed under the action of external force.
Preferably, the liquid baffle comprises a first liquid baffle, a second liquid baffle and a third liquid baffle, and the top of the first liquid baffle is provided with protruding parts at two sides; the second liquid baffle is positioned at two sides of the first liquid baffle, a concave part matched with the convex part is arranged at one side opposite to the first liquid baffle, and a convex part is arranged at one side opposite to the first liquid baffle; the third liquid baffle is arranged close to the inner wall of the tower body, and a concave part is arranged at the position opposite to the second liquid baffle; and a reflux hole is formed at the connection position of the reflux pipe and the tower body, and at least one third liquid baffle plate is opposite to the reflux hole.
Preferably, the convex part comprises an arc-shaped surface and an inclined surface positioned below the arc-shaped surface, and the arc-shaped surface is provided with liquid suction; the second liquid baffle plate and the third liquid baffle plate are provided with triangular bulges at positions corresponding to the bulges, and the bottoms of the triangular bulges are arc-shaped to form concave parts.
Preferably, the bottom end of the bottom surface of the triangular bulge is higher than the bottom end of the arc-shaped surface.
Preferably, the liquid baffle comprises a first liquid baffle, a second liquid baffle and a third liquid baffle, wherein triangular flanges are arranged at the top of the first liquid baffle at two sides, and arc-shaped concave surfaces are formed on the top surfaces of the triangular flanges; the second liquid baffle is positioned at two sides of the first liquid baffle, an arc-shaped flange matched with the arc-shaped concave surface is arranged at one side opposite to the first liquid baffle, and the triangular flange is arranged at one side opposite to the first liquid baffle; the third liquid baffle is arranged close to the inner wall of the tower body, and the arc-shaped flange is arranged at the position opposite to the second liquid baffle; and a reflux hole is formed at the connection position of the reflux pipe and the tower body, and at least one third liquid baffle plate is opposite to the reflux hole.
Preferably, the arc-shaped flange is provided with a liquid absorbing body.
Preferably, the bottom end of the arc-shaped flange is lower than the bottom end of the arc-shaped concave surface.
Preferably, a through hole communicated with the arc-shaped concave surface is arranged on the bottom surface of the triangular flange.
Preferably, the through hole is positioned at the middle or lower part of the arc-shaped concave surface.
Optionally, the number of second liquid baffle plates located between the first liquid baffle plate and the third liquid baffle plate is one or more.
When the catalytic rectifying tower reactor for producing the catalyst is used, before high-temperature gas is discharged, the liquid mist is blocked by the liquid blocking plate and is not easy to be mixed in the high-temperature gas for discharge, and when the flow rate resistance of the liquid mist accumulation on the high-temperature gas is large, under the pressure effect of the high-temperature gas, the elastic sheets deform to enable the adjacent elastic sheets to be mutually extruded, so that the liquid mist is not easy to adhere to and flow downwards, and the liquid mist is prevented from continuously accumulating.
Drawings
FIG. 1 shows a schematic structural view of a catalytic rectifying column reactor for producing a catalyst according to the present invention;
fig. 2 is a schematic view showing the arrangement structure of the liquid baffle in embodiment 1;
fig. 3 is a schematic view showing the arrangement structure of the liquid baffle in embodiment 2;
the reference numerals in the drawings:
1. a tower body; 1-1, a backflow hole; 2. a heat exchanger; 3. a reboiler; 3-1, a second product outlet; 4. a tray; 5. a first discharge pipe; 6. a first return pipe, 6-1, a first product outlet; 7. a second discharge pipe; 8. a second return pipe; 9. a liquid baffle; 9-1, a first liquid baffle; 9-2, a second liquid baffle; 9-3, a third liquid baffle; 9-4, protruding parts; 9-5, a concave part; 10. sucking liquid; 11. triangular protrusions; 12. triangular flanges; 12-1, through holes; 13. an arcuate flange.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment 1, please refer to fig. 1 and 2, the invention provides a catalytic rectifying tower reactor for catalyst production, comprising a tower body 1, a heat exchanger 2 and a reboiler 3, wherein a tower plate 4 is arranged in the tower body, a first discharge pipe 5 and a first return pipe 6 which are communicated with the inside of the tower body are arranged at the top of the tower body, the first discharge pipe and the first return pipe are respectively connected with the heat exchanger, and a first product outlet 6-1 is arranged on the first return pipe; the bottom of the tower body is provided with a second discharge pipe 7 and a second return pipe 8 which are communicated with the inside of the tower body, the second discharge pipe and the second return pipe are respectively connected with the reboiler, and the reboiler is provided with a second product outlet 3-1; a plurality of liquid baffle plates 9 are arranged on the top tray, the liquid baffle plates are elastic liquid baffle plates, and adjacent liquid baffle plates can mutually squeeze and deform under the action of external force; specifically, the liquid baffle comprises a first liquid baffle 9-1, a second liquid baffle 9-2 and a third liquid baffle 9-3, wherein protruding parts 9-4 are arranged at the two sides of the top of the first liquid baffle; the second liquid baffle is positioned at two sides of the first liquid baffle, a concave part 9-5 matched with the convex part is arranged at one side opposite to the first liquid baffle, and a convex part is arranged at one side opposite to the first liquid baffle; the third liquid baffle is arranged close to the inner wall of the tower body, and a concave part 9-5 is arranged at a position opposite to the second liquid baffle; the position where the reflux pipe is connected with the tower body forms a reflux hole 1-1, and at least one third liquid baffle is opposite to the reflux hole; the bulge part comprises an arc-shaped surface and an inclined surface positioned below the arc-shaped surface, and the arc-shaped surface is provided with a liquid absorbing body 10, wherein the liquid absorbing body can be absorbent cotton or sponge and the like; the second liquid baffle plate and the third liquid baffle plate are provided with triangular bulges 11 at positions corresponding to the bulges, and the bottoms of the triangular bulges are arc-shaped to form concave parts.
When the catalytic rectifying tower reactor for producing the catalyst is used, before high-temperature gas is discharged, the liquid mist is blocked by the liquid blocking plate and is not easy to be mixed in the high-temperature gas to be discharged, especially after the convex part, the concave part and the liquid suction are arranged, the liquid mist is adsorbed by the liquid suction body when passing through the position between the concave part and the convex part in the rising process of the high-temperature gas, after the liquid mist adsorbed by the liquid suction body is accumulated, once the flow velocity resistance of the high-temperature gas is high, under the pressure action of the high-temperature gas, the elastic sheet deforms to enable the convex part and the concave part on one side to be close to each other, the liquid suction body is extruded, the liquid accumulated in the liquid suction body falls along the inclined plane, so that the air permeability of the liquid suction body on one side is increased, the air flow quantity on the side is increased, the air flow quantity of the liquid suction body is larger than that on the other side is deformed to the other side, the convex part and the liquid suction body is extruded, and the liquid accumulated in the liquid suction body is enabled to fall along the inclined plane, so that the air permeability of the liquid suction body on the side is increased; when the third liquid baffle is opposite to the backflow hole, after the liquid mist adsorbed by the liquid absorbing body is accumulated, once the flow velocity resistance to the high-temperature gas is larger, the supporting force of the high-temperature gas on the third liquid baffle is reduced, the impact of the fluid in the moment of the backflow hole on the third liquid baffle causes the third liquid baffle to deform inwards to squeeze the second liquid baffle, so that the liquid absorbing body is subjected to interlocking extrusion, and finally the air permeability of the liquid absorbing body is increased; during manufacturing, the bottom end of the bottom surface of the triangular bulge is preferably higher than the bottom end of the arc-shaped surface, so that the liquid suction body at the bottom is extruded less in the process of being extruded, and the liquid at the upper part is absorbed in the process of losing liquid, so that the liquid can flow downwards conveniently.
The number of the second liquid baffle plates located between the first liquid baffle plate and the third liquid baffle plate may be one or more, in this embodiment, one side is one, and the other side is two.
Embodiment 2, please refer to fig. 1 and 3, the present invention further provides a catalytic rectifying tower reactor for producing a catalyst, which is different from embodiment 1 in the arrangement of a liquid baffle 9, specifically, the catalytic rectifying tower reactor includes a tower body 1, a heat exchanger 2 and a reboiler 3, a tray 4 is disposed in the tower body, a first discharge pipe 5 and a first return pipe 6 which are communicated with the tower body are disposed at the top of the tower body, the first discharge pipe and the first return pipe are respectively connected with the heat exchanger, and a first product outlet 6-1 is disposed on the first return pipe; the bottom of the tower body is provided with a second discharge pipe 7 and a second return pipe 8 which are communicated with the inside of the tower body, the second discharge pipe and the second return pipe are respectively connected with the reboiler, and the reboiler is provided with a second product outlet 3-1; a plurality of liquid baffle plates 9 are arranged on the top tray, the liquid baffle plates are elastic liquid baffle plates, and adjacent liquid baffle plates can mutually squeeze and deform under the action of external force; the liquid baffle comprises a first liquid baffle 9-1, a second liquid baffle 9-2 and a third liquid baffle 9-3, wherein triangular flanges 12 are arranged at the two sides of the top of the first liquid baffle, and arc-shaped concave surfaces are formed on the top surfaces of the triangular flanges; the second liquid baffle is positioned at two sides of the first liquid baffle, an arc-shaped flange 13 matched with the arc-shaped concave surface is arranged at one side opposite to the first liquid baffle, and the triangular flange is arranged at one side opposite to the first liquid baffle; the third liquid baffle is arranged close to the inner wall of the tower body, and the arc-shaped flange is arranged at the position opposite to the second liquid baffle; the position where the reflux pipe is connected with the tower body forms a reflux hole 1-1, and at least one third liquid baffle is opposite to the reflux hole; the arc-shaped flange is provided with a liquid absorbing body 10.
When the catalytic rectifying tower reactor for producing the catalyst is used, before high-temperature gas is discharged, the liquid mist is blocked by the liquid blocking plate and is not easy to be mixed in the high-temperature gas to be discharged, particularly, after the triangular flange, the arc-shaped flange and the liquid suction body are arranged, the liquid mist is adsorbed by the liquid suction body when passing through the position between the triangular flange and the arc-shaped flange in the rising process of the high-temperature gas, after the liquid mist adsorbed by the liquid suction body is accumulated, once the flow velocity resistance of the high-temperature gas is high, under the pressure action of the high-temperature gas, the elastic sheet deforms to enable the bulge part and the concave part on one side to be close to each other, the liquid suction body is extruded, the accumulated liquid in the liquid suction body falls along the bottom surface of the triangular flange, so that the air permeability of the liquid suction body on one side is increased, the air flow of the liquid suction body on the other side is increased, the liquid suction body is extruded, and the liquid suction body on the other side is enabled to fall along the bottom surface of the triangular flange; when the third liquid baffle is opposite to the backflow hole, after the liquid mist adsorbed by the liquid absorbing body is accumulated, once the flow velocity resistance to the high-temperature gas is larger, the supporting force of the high-temperature gas on the third liquid baffle is reduced, the impact of the fluid in the moment of the backflow hole on the third liquid baffle causes the third liquid baffle to deform inwards to squeeze the second liquid baffle, so that the liquid absorbing body is subjected to interlocking extrusion, and finally the air permeability of the liquid absorbing body is increased; in the process of manufacturing, the bottom end of the arc-shaped flange is preferably lower than the bottom end of the arc-shaped concave surface, so that in the process that the liquid absorbing body is extruded, the liquid absorbing body at the bottom is not extruded, and in the process that the liquid absorbing body loses liquid, the liquid at the upper part is absorbed, and the liquid is convenient to fall down.
It should be noted that the number of the second liquid baffle plates located between the first liquid baffle plate and the third liquid baffle plate may be one or more, in this embodiment, one side is one, and the other side is two; the above-described flange may also be referred to as a protrusion, and is named for distinction from the protrusion in embodiment 1, not limiting the structure.
In one embodiment, the bottom surface of the triangular flange is provided with a through hole 12-1 communicated with the arc-shaped concave surface, and the through hole is generally arranged at the middle or lower part of the arc-shaped concave surface. Through setting up the through-hole, when inhaling liquid by the extrusion, the internal high temperature gas of imbibition and liquid part can be discharged downwards through the through-hole, after imbibition body is by the extrusion, high temperature gas can pass through the through-hole and imbibition body contact for fill high temperature gas in the imbibition body rapidly and resume the air permeability, when high temperature gas normally rises, high temperature gas through the through-hole and the high temperature gas that rises along the arc concave surface converge, make it slope to imbibition body one side, be favorable to the internal liquid of high temperature gas to be adsorbed by imbibition body.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on something", but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).
Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The catalytic rectifying tower reactor for catalyst production comprises a tower body (1), a heat exchanger (2) and a reboiler (3), wherein a tower plate (4) is arranged in the tower body, a first discharge pipe (5) and a first return pipe (6) which are communicated with the inside of the tower body are arranged at the top of the tower body, the first discharge pipe and the first return pipe are respectively connected with the heat exchanger, and a first product outlet (6-1) is arranged on the first return pipe; the bottom of the tower body is provided with a second discharge pipe (7) and a second return pipe (8) which are communicated with the inside of the tower body, the second discharge pipe and the second return pipe are respectively connected with the reboiler, and the reboiler is provided with a second product outlet (3-1); it is characterized in that the method comprises the steps of,
the tower plate at the top end is provided with a plurality of liquid baffle plates (9), the liquid baffle plates are elastic liquid baffle plates, and the adjacent liquid baffle plates can be mutually extruded and deformed under the action of external force;
the liquid baffle comprises a first liquid baffle (9-1), a second liquid baffle (9-2) and a third liquid baffle (9-3), wherein protruding parts (9-4) are arranged at the two sides of the top of the first liquid baffle;
the second liquid baffle is positioned at two sides of the first liquid baffle, a concave part (9-5) matched with the convex part is arranged at one side opposite to the first liquid baffle, and a convex part is arranged at one side opposite to the first liquid baffle;
the third liquid baffle is arranged close to the inner wall of the tower body, and a concave part (9-5) is arranged at a position opposite to the second liquid baffle;
a reflux hole (1-1) is formed at the connection position of the reflux pipe and the tower body, and at least one third liquid baffle is opposite to the reflux hole; the convex part comprises an arc-shaped surface and an inclined surface positioned below the arc-shaped surface, and the arc-shaped surface is provided with a liquid absorbing body (10);
the second liquid baffle plate and the third liquid baffle plate are provided with triangular bulges (11) at positions corresponding to the bulges, and the bottoms of the triangular bulges are arc-shaped to form concave parts.
2. The catalytic rectifying column reactor for producing catalysts according to claim 1, characterized in that the bottom end of the bottom face of the triangular projection is higher than the bottom end of the arcuate face.
3. The catalytic rectifying tower reactor for catalyst production comprises a tower body (1), a heat exchanger (2) and a reboiler (3), wherein a tower plate (4) is arranged in the tower body, a first discharge pipe (5) and a first return pipe (6) which are communicated with the inside of the tower body are arranged at the top of the tower body, the first discharge pipe and the first return pipe are respectively connected with the heat exchanger, and a first product outlet (6-1) is arranged on the first return pipe; the bottom of the tower body is provided with a second discharge pipe (7) and a second return pipe (8) which are communicated with the inside of the tower body, the second discharge pipe and the second return pipe are respectively connected with the reboiler, and the reboiler is provided with a second product outlet (3-1); it is characterized in that the method comprises the steps of,
the tower plate at the top end is provided with a plurality of liquid baffle plates (9), the liquid baffle plates are elastic liquid baffle plates, and the adjacent liquid baffle plates can be mutually extruded and deformed under the action of external force;
the liquid baffle comprises a first liquid baffle (9-1), a second liquid baffle (9-2) and a third liquid baffle (9-3), triangular flanges (12) are arranged at the two sides of the top of the first liquid baffle, and arc-shaped concave surfaces are formed on the top surfaces of the triangular flanges;
the second liquid baffle is positioned at two sides of the first liquid baffle, an arc-shaped flange (13) matched with the arc-shaped concave surface is arranged at one side opposite to the first liquid baffle, and the triangular flange is arranged at one side opposite to the first liquid baffle;
the third liquid baffle is arranged close to the inner wall of the tower body, and the arc-shaped flange is arranged at the position opposite to the second liquid baffle;
a reflux hole (1-1) is formed at the connection position of the reflux pipe and the tower body, and at least one third liquid baffle is opposite to the reflux hole; the arc-shaped flange is provided with a liquid absorbing body (10).
4. A catalytic rectifying column reactor for the production of catalysts according to claim 3 characterized in that the bottom end of said arcuate flange is lower than the bottom end of said arcuate concave surface.
5. The catalytic rectifying column reactor for producing catalysts according to claim 4, characterized in that a through hole (12-1) communicating with the arc-shaped concave surface is provided on the bottom surface of the triangular flange.
6. The catalytic rectifying column reactor for producing a catalyst as recited in claim 5, wherein said through-hole is located in a middle or lower portion of said arcuate concave surface.
7. A catalytic rectifying column reactor for the production of catalysts according to one of the claims 1 to 6 characterized in that the number of second liquid baffles between the first liquid baffle and the third liquid baffle is one or more.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211688280.0A CN115738342B (en) | 2022-12-28 | 2022-12-28 | Catalytic rectifying tower reactor for catalyst production |
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| CN202211688280.0A CN115738342B (en) | 2022-12-28 | 2022-12-28 | Catalytic rectifying tower reactor for catalyst production |
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| CN115738342B true CN115738342B (en) | 2023-07-18 |
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| US7981201B2 (en) * | 2008-12-31 | 2011-07-19 | Uop Llc | De-entrainment device |
| CN101940848B (en) * | 2010-09-27 | 2012-05-30 | 大庆油田飞马有限公司 | Catalytic rectification column member |
| JP2018192429A (en) * | 2017-05-18 | 2018-12-06 | 株式会社Ihi | Distillatory apparatus |
| CN109277070A (en) * | 2018-10-31 | 2019-01-29 | 江苏国胶化学科技有限公司 | The production technology and its device of different monooctyl ester acrylic acid |
| CN209378964U (en) * | 2018-11-15 | 2019-09-13 | 凯瑞环保科技股份有限公司 | Azeotropic catalytic tower |
| CN211328723U (en) * | 2019-10-21 | 2020-08-25 | 迈奇化学股份有限公司 | Stripper export liquid return mechanism |
| CN111921216B (en) * | 2020-07-29 | 2022-03-18 | 山东禧龙石油装备有限公司 | Light component removal rectifying tower |
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