CN215196854U - Reactor for filling monolithic catalyst - Google Patents
Reactor for filling monolithic catalyst Download PDFInfo
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- CN215196854U CN215196854U CN202121150575.3U CN202121150575U CN215196854U CN 215196854 U CN215196854 U CN 215196854U CN 202121150575 U CN202121150575 U CN 202121150575U CN 215196854 U CN215196854 U CN 215196854U
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Abstract
The utility model discloses a reactor for filling whole type catalyst, a serial communication port, including tubular reactor, tubular reactor includes upper cover, two sections at least reaction tubes, lower cover in proper order, and every section reaction tube outside middle part is equipped with a temperature tube. The invention adopts a sectional structure, and a plurality of sections of reaction tubes are mutually connected to form a tubular reactor, thereby being convenient for filling the integral catalyst. In addition, a lateral temperature measuring tube is arranged in the middle of each section of reaction tube and used for conveniently detecting the real temperature in the reaction area at any time and avoiding the temperature difference caused by heat release or heat absorption of the reaction which cannot be detected.
Description
Technical Field
The utility model relates to a reactor, mainly used catalytic reaction field, in the middle of the gas solid phase that concretely is used for the gas solid phase that relates to whole type catalyst or the catalytic reaction of liquid solid phase belongs to catalytic reaction's reactor technical field.
Background
Heterogeneous catalysts are used in a very wide variety of chemical applications, with monolithic catalysts being an important class of heterogeneous catalysts. Compared with the traditional granular catalyst, the monolithic catalyst has the advantages of high catalyst utilization rate, excellent mass and heat transfer, reduced bed lamination, high catalyst mechanical strength, easy separation from a product and the like, and can be applied to a plurality of reactions, such as: methanol oxidation, ethylbenzene dehydrogenation to prepare styrene, automobile exhaust catalysis, VOCs catalytic combustion and the like.
The monolithic catalyst generally consists of an active component, a cocatalyst, a dispersion carrier and a framework substrate, but generally has length limitation due to processing factors, and sectional filling is necessarily needed if the monolithic catalyst is filled into a tubular reactor instead of traditional particles. The traditional tubular reactor adopts a single integral reaction tube, so that the integral catalyst is inconvenient to fill, and the reactor cannot test the accurate temperature of the reaction area of the integral catalyst. In addition, if the catalytic reaction involves strong heat absorption or strong heat release, the local temperature may have a large temperature difference with the whole body, after the monolithic catalyst is filled, inconvenience is brought to temperature measurement, and the local high temperature point or low temperature point may not be accurately measured, thereby bringing great trouble to reaction control.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the traditional tubular reactor is inconvenient for filling monolithic catalyst and can not test the accurate temperature of the monolithic catalyst reaction area.
In order to solve the technical problem, the utility model provides a reactor for filling whole type catalyst, it includes tubular reactor, tubular reactor includes upper cover, two sections at least reaction tubes, lower cover in proper order, and every section reaction tube outside middle part is equipped with a temperature measurement pipe.
Preferably, adjacent reaction tubes are connected by a snap or flange.
Preferably, the temperature measuring tube is arranged on a horizontal center line of the reaction tube, a central axis of the temperature measuring tube is perpendicular to a central axis of the reaction tube, and one end of the temperature measuring tube arranged in the reaction tube is positioned between the central axis and the tube wall of the reaction tube.
Preferably, the depth of the temperature measuring tube extending into the reaction tube is that the end part of the temperature measuring tube is arranged on the central axis of the reaction tube.
Preferably, the upper part of each section of the reaction tube is provided with a pressure measuring sampling port and a temperature measuring port.
More preferably, the position and the direction of the temperature measuring port are the same as those of the temperature measuring pipe; the position and the direction of the pressure measuring sampling port and the temperature measuring port are on the same horizontal plane, and the included angle between the direction of the pressure measuring sampling port and the direction of the temperature measuring port is not less than 90 degrees.
Preferably, the outside of the reaction tube is provided with a jacket, the temperature measuring tube is exposed from the jacket, the two sides of the jacket are respectively provided with a jacket inlet and a jacket outlet, the jacket inlet is arranged at the bottom of the jacket, and the jacket outlet is arranged at the top of the jacket.
Preferably, the temperature measuring tube is fixed through a sleeve, one end of the sleeve penetrates through the jacket to be connected with the outer wall of the reactor, the other end of the sleeve is fixedly connected with the temperature measuring tube through a connecting joint, the temperature measuring tube penetrates through the sleeve, and the two ends of the temperature measuring tube are exposed out of the two ends of the sleeve.
Preferably, the material of the reaction tube is stainless steel or carbon steel.
The invention adopts a sectional structure, and a plurality of sections of reaction tubes are mutually connected to form a tubular reactor, thereby being convenient for filling the integral catalyst. In addition, a lateral temperature measuring tube is arranged in the middle of each section of reaction tube and used for conveniently detecting the real temperature in the reaction area at any time and avoiding the temperature difference caused by heat release or heat absorption of the reaction which cannot be detected.
Drawings
FIG. 1 is a schematic diagram of a reactor provided by the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a partially enlarged view of portion i in fig. 1.
Detailed Description
In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
Examples
As shown in FIGS. 1-3, for the utility model provides a reactor for filling monolithic catalyst, it includes tubular reactor, tubular reactor includes upper cover 1, three-section reaction tube 2 (the material of reaction tube 2 is stainless steel or carbon steel), lower cover 3 in proper order, and every section 2 outside middle parts of reaction tube are equipped with a temperature tube. Adjacent reaction tubes 2 are connected by means of a snap or flange 5. The outer side of each section of reaction tube 2 is provided with a jacket 4, the temperature measuring tube is exposed out of the jacket 4, the two sides of the jacket 4 are respectively provided with a jacket inlet and a jacket outlet, the jacket inlet is arranged at the bottom of the jacket 4, and the jacket outlet is arranged at the top of the jacket 4. The temperature measuring tube is arranged on the horizontal central line of the reaction tube 2, the central axis of the temperature measuring tube is perpendicular to the central axis of the reaction tube 2, and one end of the temperature measuring tube arranged in the reaction tube 2 is positioned on the central axis of the reaction tube 2. The upper part of each section of reaction tube 2 is provided with a pressure measuring sampling port and a temperature measuring port.
The upper cover 1 is provided with a first port N1, and the bottom of the lower cover 3 is provided with a second port N2. The position and the direction of the temperature measuring port are the same as those of the temperature measuring pipe; the position and the direction of the pressure measuring sampling port and the temperature measuring port are on the same horizontal plane, and the included angle between the direction of the pressure measuring sampling port and the direction of the temperature measuring port is not less than 90 degrees. As shown in fig. 1, three sections of reaction tubes 2 from top to bottom are respectively provided with a first pressure measuring sampling port P1, a first temperature measuring port K1, a second pressure measuring sampling port P2, a second temperature measuring port K3, a third pressure measuring sampling port P3 and a third temperature measuring port K5; the three sections of reaction tubes 2 from top to bottom are respectively provided with a first temperature measuring tube K2, a second temperature measuring tube K4 and a third temperature measuring tube K6. Three jackets 4 from top to bottom are respectively provided with a jacket inlet N3 and a jacket outlet N4, a jacket inlet two N5 and a jacket outlet two N6, a jacket inlet three N7 and a jacket outlet one N8. The lower cover 3 is provided with a pressure measuring sampling port IV P5.
As can be seen from fig. 2, the first pressure-measuring sampling port P1, the second pressure-measuring sampling port P2, the third pressure-measuring sampling port P3 and the fourth pressure-measuring sampling port P5 are overlapped, and the first temperature-measuring port K1, the first temperature-measuring tube K2, the second temperature-measuring port K3, the second temperature-measuring tube K4, the third temperature-measuring port K5, the third temperature-measuring tube K6, the fourth temperature-measuring port K7, the first jacket inlet N3, the second jacket inlet N5 and the third jacket inlet N7 are overlapped.
As shown in FIG. 3, all the temperature measuring tubes (three K6 in the figure) are fixed by a sleeve 6, one end of the sleeve 6 passes through the jacket 4 to be connected with the outer wall of the reactor 2, the other end of the sleeve 6 is connected and fixed with the temperature measuring tubes by a connector 7, the temperature measuring tubes are arranged in the sleeve 6 in a penetrating way, and the two ends of the temperature measuring tubes are exposed out of the two ends of the sleeve.
The total length of a reaction area of a reaction tube in the tubular reactor is 1500mm, the reaction area is divided into three sections, each section is connected by a flange, the reaction tube is provided with a jacket and can be heated by water bath or oil bath; the inner diameter of the reaction tube is 18mm, the middle part of each section of the reactor is provided with a temperature measuring tube, a thermocouple can be inserted for measuring the temperature, and the diameter of the temperature measuring tube is 1/4 inches. When the catalyst is filled, each section of reaction tube can be disassembled firstly, a section of integral catalyst is filled up and down on the lateral temperature measuring tube respectively, and then the integral catalyst is assembled together and fixed by a flange. During reaction, the material flow direction can be selected to be from top to bottom or from bottom to top according to specific requirements.
Claims (9)
1. The reactor for filling the monolithic catalyst is characterized by comprising a tubular reactor, wherein the tubular reactor sequentially comprises an upper cover (1), at least two sections of reaction tubes (2) and a lower cover (3), and the middle part of the outer side of each section of reaction tube (2) is provided with a temperature measuring tube.
2. Reactor for loading monolithic catalysts according to claim 1, characterized in that adjacent reaction tubes (2) are connected by means of snap-fit or flanges (5).
3. The reactor for packing monolithic catalyst according to claim 1, wherein the temperature measuring tube is disposed on the horizontal center line of the reaction tube (2), and the central axis of the temperature measuring tube is perpendicular to the central axis of the reaction tube (2), and one end of the temperature measuring tube disposed in the reaction tube (2) is located between the central axis of the reaction tube (2) and the tube wall.
4. The reactor for packing monolithic catalyst according to claim 1, wherein the temperature measuring tube is extended into the reaction tube (2) to such a depth that the end of the temperature measuring tube is positioned on the central axis of the reaction tube (2).
5. The reactor for packing monolithic catalyst as recited in claim 1, wherein each of said reaction tubes (2) has a pressure measuring port and a temperature measuring port at the upper portion thereof.
6. The reactor for loading monolithic catalyst as recited in claim 5, wherein said temperature measuring port is located at the same position and direction as the temperature measuring tube; the position and the direction of the pressure measuring sampling port and the temperature measuring port are on the same horizontal plane, and the included angle between the direction of the pressure measuring sampling port and the direction of the temperature measuring port is not less than 90 degrees.
7. The reactor for packing monolithic catalyst according to claim 1, wherein the outside of the reaction tube (2) is provided with a jacket (4), the temperature measuring tube is exposed from the jacket (4), the two sides of the jacket (4) are respectively provided with a jacket inlet and a jacket outlet, the jacket inlet is arranged at the bottom of the jacket (4), and the jacket outlet is arranged at the top of the jacket (4).
8. The reactor for loading monolithic catalyst according to claim 7, wherein the temperature measuring tube is fixed by a sleeve (6), one end of the sleeve (6) passes through the jacket (4) and is connected with the outer wall of the reaction tube (2), the other end of the sleeve (6) is connected and fixed with the temperature measuring tube by a connecting joint (7), the temperature measuring tube is arranged in the sleeve (6) in a penetrating way, and the two ends are exposed out of the two ends of the sleeve.
9. The reactor for packing monolithic catalyst as defined in claim 1, wherein the material of said reaction tube (2) is stainless steel or carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121150575.3U CN215196854U (en) | 2021-05-26 | 2021-05-26 | Reactor for filling monolithic catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121150575.3U CN215196854U (en) | 2021-05-26 | 2021-05-26 | Reactor for filling monolithic catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215196854U true CN215196854U (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121150575.3U Active CN215196854U (en) | 2021-05-26 | 2021-05-26 | Reactor for filling monolithic catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215196854U (en) |
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2021
- 2021-05-26 CN CN202121150575.3U patent/CN215196854U/en active Active
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