CN202823313U - Fixed bed fluorination reactor - Google Patents
Fixed bed fluorination reactor Download PDFInfo
- Publication number
- CN202823313U CN202823313U CN 201220537674 CN201220537674U CN202823313U CN 202823313 U CN202823313 U CN 202823313U CN 201220537674 CN201220537674 CN 201220537674 CN 201220537674 U CN201220537674 U CN 201220537674U CN 202823313 U CN202823313 U CN 202823313U
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- tube
- plate
- tube box
- cylindrical shell
- barrel body
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Abstract
The utility model discloses a fixed bed fluorination reactor. The adopted technical scheme is as follows: an airtight reaction container is composed of a lower tube box, a lower tube plate, a barrel body, an upper tube plate and an upper tube box, wherein a man-hole opening I, a pressure gauge opening I and a discharge opening are formed on the lower tube box; an outer barrel body I and an outer barrel body II are arranged at the both ends of the barrel body, a perforated plate is arranged among the outer barrel body I, the outer barrel body II and the barrel body, and a plurality of baffling plates, spacing tubes and heat exchange tubes are arranged in the barrel body; one end of each spacing tube is fixed together with the lower tube plate, and the other end of the spacing tube is fixed together with the baffling plate; the plurality of heat exchange tubes penetrate through the baffling plates, and then the both ends of each heat exchange tube are welded with the lower tube plate and the upper tube plate respectively, the heat exchange tube is connected with the lower tube box and the upper tube box, and a catalyst bearing spring device is installed on the bottom in each heat exchange tube; and a steam inlet is formed on the upper tube plate, and a condensate outlet is formed on the lower tube plate. A man-hole opening II, a mixed gas inlet, a pressure gauge opening II, a plurality of temperature-measuring openings and a man-hole opening III are formed on the upper tube box. The fixed bed fluorination reactor disclosed by the utility model is good in heat transfer effect and reliable in running.
Description
Technical field
The invention relates to a kind of reactor of producing cold-producing medium, relates in particular to the reactor that environmental type that a kind of production can reduce greenhouse effects is fluoridized cold-producing medium.
Background technology
More existing reactors and heat exchanger generally adopt Steam Heating and heat-conducting oil heating, and general temperature is about 250 ℃, the bad control of the temperature range of course of reaction, heat-transfer effect is relatively poor, is difficult to ensure the card sufficient reacting, thereby is difficult to ensure the final mass of card cold-producing medium.
Summary of the invention
The purpose of the invention provides a kind of fixed bed fluorination reactor, and tetrachloro-ethylene or trichloro-ethylene and hydrogen fluoride can react in this equipment after heating through fused salt fully; Catalyst attrition reduces, and improves the coefficient of efficiency of catalyst; Heat conduction, convection heat transfer' heat-transfer by convection, thermal-radiating heat transfer type have been adopted.
The technical scheme that the invention is adopted is: the fixed bed fluorination reactor: by lower tube box, lower perforated plate, cylindrical shell, upper perforated plate and upper tube box consist of an airtight reaction vessel.
Described lower tube box is provided with man-hole opening I, pressure gauge mouth I and discharge port; Discharge port is provided with gas vent.
Described cylindrical shell is: the two ends of cylindrical shell are provided with outer cylinder body I and outer cylinder body II, are provided with porous plate between outer cylinder body I and outer cylinder body II and the cylindrical shell, and outer cylinder body I and outer cylinder body II communicate with cylinder lumen by porous plate; Be provided with some deflection plates, distance sink tube and heat exchanger tube in the cylindrical shell; Distance sink tube one end and lower perforated plate are fixed, and the other end is deflection plate fixedly; Welded with lower perforated plate and upper perforated plate respectively at two ends after some heat exchanger tubes passed deflection plate, and heat exchanger tube communicates with lower tube box and upper tube box, and the catalyst supports spring assembly is equipped with in the bottom in every heat exchanger tube; Upper perforated plate is provided with the steam inlet, and lower perforated plate is provided with condensate outlet, and steam inlet and condensate outlet communicate with the inner chamber of cylindrical shell.
Described upper tube box is provided with man-hole opening II, mist entrance, pressure gauge mouth II, some temperature-measuring ports and man-hole opening III.
Above-mentioned fixed bed fluorination reactor is provided with skirt, and the lower end of skirt is provided with basic ring flat-plate, and skirt is provided with gas vent fairlead, exhaust outlet, reservation gas vent fairlead and man-hole opening; Skirt and lower tube box welding; Gas vent on the lower tube box passes the gas vent fairlead.
Above-mentioned fixed bed fluorination reactor, discharge port are provided with reserves the gas vent standby pipes.
The key technical indexes such as the table 1 of the invention.
Table 1 fixed bed fluorination reactor the key technical indexes
| (vessel) class | The III class |
| Operating pressure MPa | Shell side: 0.15; Tube side: 1.2 |
| Design pressure MPa | Shell side: 0.2; Tube side: 1.6 |
| Operating temperature ℃ | Shell side: 350-380; Tube side: 350-370 |
| Design temperature ℃ | Shell side: 380; Tube side: 380 |
| Medium | Shell side: fused salt; Tube side: trichloro-ethylene (tetrachloro-ethylene)/HF/134a (125) |
| Dielectric property | Tube side: highly harm |
| Corrosion allowance mm | Shell side: 2; Tube side: 0.5 |
| Hydraulic test pressure MPa | Shell side: 0.34; Tube side: 2.69 |
| Gas-tight test pressure MPa | Shell side: 0.2; Tube side: 1.6 |
| AB class weld joint efficiency | Shell side: 1; Tube side: 1 |
| Heat-insulation layer material/thickness mm | Rock wool/150 |
| Fireprotection layer material/thickness mm | Alumina silicate fiber felt/50 |
The beneficial effect of the invention is:
1. the invention evenly is provided with 6 temperature-measuring ports usually, and thermometer inserts in the heat exchanger tube by temperature-measuring port, and runs through heat exchanger tube, therefore can monitor easily and efficiently control to the temperature in the reactor.
2. heat-transfer effect is good, and catalyst places on the catalyst supports spring assembly of heat exchanger tube bottom, and because caliber is less, mist flows in catalytic bed and can be considered desirable displacement and flow, and is therefore reaction rate is fast, selective high; For extremely strong exothermic reaction, also can come dilute catalyst with the inert material of same granularity.
3. be provided with man-hole opening at two bobbin carriages, be conducive to daily behaviour in service to equipment and observe and keep in repair.
4. in the invention, the purpose that deflection plate is set is: on the one hand, improved the flow velocity of fused salt fluid, strengthened turbulence, improved and conduct heat; On the other hand, to having restrained supporting function, strengthen its rigidity, prevent that the pipe amount of deflection is excessive, prevent vibrations.
5. the invention, owing to being provided with porous plate, fused salt import and fused salt outlet communicate with cylinder lumen through the structure of outer cylinder body and porous plate, therefore make the long-pending increase of fluid passage section, flow velocity reduces, and Pressure Drop is little, and the static energy of fluid increases, dynamic pressure can reduce, and has reduced fluid to the impact of tube bank and the pipe vibrations of fluid induced; Because the structure of outer cylinder body guiding heat transferring medium is gone up or is flowed bottom from the equipment shell side most, takes full advantage of the heat transfer area of import and export top and the bottom; Play the effect of two thermal expansion joints on the import and export outer cylinder body structure, reduced the thermal (temperature difference) stress between tube bank and shell wall.
6. the fused salt water conservancy diversion import and export of outer cylinder body and the structural shape of deflection plate are adopted in the invention, have effectively reduced the factor that causes the tube bank vibrations and lost efficacy, and improve economy and the reliability of reactor operation.
Description of drawings
Fig. 1 is the structural representation of the invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is A section enlarged drawing among Fig. 1.
Fig. 4 is the temperature-measuring port structural representation.
Fig. 5 is the enlarged drawing of B part among Fig. 4.
The specific embodiment
Such as Fig. 1～shown in Figure 5, the fixed bed fluorination reactor: by skirt (1), lower tube box (2), lower perforated plate (5), cylindrical shell (4), upper perforated plate (6) and upper tube box (3) consist of.Lower tube box (2), lower perforated plate (5), cylindrical shell (4), upper perforated plate (6) and upper tube box (3) consist of an airtight reaction vessel.
Skirt (1) and lower tube box (2) welding.The lower end of skirt (1) is provided with basic ring flat-plate (1-1) in order to be connected with on-the-spot basis.Skirt (1) is provided with gas vent fairlead (1-2), exhaust outlet (1-3), reserves gas vent fairlead (1-4) and man-hole opening (1-5).
Lower tube box (2) is provided with man-hole opening I (2-1), pressure gauge mouth I (2-2) and discharge port (2-3); Discharge port (2-3) is provided with gas vent (2-4) and reserves gas vent standby pipes (2-5).Gas vent (2-4) passes gas vent fairlead (1-2), reserves gas vent standby pipes (2-5) and passes reservation gas vent fairlead (1-4).
Cylindrical shell (4) is: the two ends of cylindrical shell (4) are provided with outer cylinder body I (7) and outer cylinder body II (8), be provided with porous plate (9) between outer cylinder body I (7) and outer cylinder body II (8) and the cylindrical shell (4), outer cylinder body I (7) and outer cylinder body II (8) communicate with cylindrical shell (4) inner chamber by porous plate (9); Be provided with some deflection plates (10), distance sink tube (11) and heat exchanger tube (12) in the cylindrical shell (4); Distance sink tube (11) one ends and lower perforated plate (5) are fixing, and the other end is deflection plate (10) fixedly; Welded with lower perforated plate (5) and upper perforated plate (6) respectively at two ends after some heat exchanger tubes (12) passed deflection plate (10), heat exchanger tube (12) communicates with lower tube box (2) and upper tube box (3), and catalyst supports spring assembly (15) is equipped with in the bottom in every heat exchanger tube (12); Upper perforated plate (6) is provided with steam inlet (13), and lower perforated plate (5) is provided with condensate outlet (14), and steam inlet (13) and condensate outlet (14) communicate with the inner chamber of cylindrical shell (4).
Upper tube box (3) is provided with man-hole opening II (3-1), mist entrance (3-2), pressure gauge mouth II (3-3), 6 temperature-measuring ports (3-4) of evenly arranging and man-hole opening III (3-5).
The operation principle of the invention is:
In the invention, fused salt enters the interbank of cylindrical shell (4) by outer cylinder body I (7) through porous plate (9), flows out through porous plate (9) and outer cylinder body II (8), consists of the circulatory system of fused-salt medium in equipment.Porous plate can make fused salt flow into uniformly in the cylindrical shell, makes heat transfer effect better.Steam inlet (13) communicates with cylindrical shell (4) by upper perforated plate (6), and steam enters cylindrical shell fused salt is heated, and prevents that fused salt from solidifying; Condensate outlet (14) communicates with cylindrical shell by lower perforated plate (5), and the liquid that forms behind steam and the molten salt react ion in the cylindrical shell is discharged by condensate outlet (14).Mist (tetrachloro-ethylene or trichloro-ethylene and hydrogen fluoride) by mist entrance (3-2) in upper tube box (3) enters heat exchanger tube (12), catalyst places the catalyst supports spring assembly (15) of heat exchanger tube bottom, mist is after carrying out addition and substitution reaction under the effect of catalyst, the material that generates enters purification process through lower tube box (2) and gas vent (2-4), consists of reaction system.Thermometer (16) inserts in the heat exchanger tube by temperature-measuring port, and runs through heat exchanger tube, therefore can monitor easily and efficiently control to the temperature in the reactor.Pressure gauge mouth and thermometer mouth have consisted of detection and security system.Man-hole opening and discharge port have consisted of cleaning and examination and repair system.
Claims (3)
1. fixed bed fluorination reactor is characterized in that: by lower tube box (2), lower perforated plate (5), cylindrical shell (4), upper perforated plate (6) and upper tube box (3) consist of an airtight reaction vessel;
Described lower tube box (2) is provided with man-hole opening I (2-1), pressure gauge mouth I (2-2) and discharge port (2-3); Discharge port (2-3) is provided with gas vent (2-4);
Described cylindrical shell (4) is: the two ends of cylindrical shell (4) are provided with outer cylinder body I (7) and outer cylinder body II (8), be provided with porous plate (9) between outer cylinder body I (7) and outer cylinder body II (8) and the cylindrical shell (4), outer cylinder body I (7) and outer cylinder body II (8) communicate with cylindrical shell (4) inner chamber by porous plate (9); Be provided with some deflection plates (10), distance sink tube (11) and heat exchanger tube (12) in the cylindrical shell (4); Distance sink tube (11) one ends and lower perforated plate (5) are fixing, and the other end is deflection plate (10) fixedly; Welded with lower perforated plate (5) and upper perforated plate (6) respectively at two ends after some heat exchanger tubes (12) passed deflection plate (10), heat exchanger tube (12) communicates with lower tube box (2) and upper tube box (3), and catalyst supports spring assembly (15) is equipped with in the bottom in every heat exchanger tube (12); Upper perforated plate (6) is provided with steam inlet (13), and lower perforated plate (5) is provided with condensate outlet (14), and steam inlet (13) and condensate outlet (14) communicate with the inner chamber of cylindrical shell (4);
Described upper tube box (3) is provided with man-hole opening II (3-1), mist entrance (3-2), pressure gauge mouth II (3-3), some temperature-measuring ports (3-4) and man-hole opening III (3-5).
2. according to the described fixed bed fluorination reactor of claim 1, it is characterized in that: be provided with skirt (1), the lower end of skirt (1) is provided with basic ring flat-plate (1-1), and skirt (1) is provided with gas vent fairlead (1-2), exhaust outlet (1-3), reserves gas vent fairlead (1-4) and man-hole opening (1-5); Skirt (1) and lower tube box (2) welding; Gas vent (2-4) on the lower tube box (2) passes gas vent fairlead (1-2).
3. according to claim 1 or 2 described fixed bed fluorination reactors, it is characterized in that: discharge port (2-3) is provided with reserves gas vent standby pipes (2-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220537674 CN202823313U (en) | 2012-10-21 | 2012-10-21 | Fixed bed fluorination reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220537674 CN202823313U (en) | 2012-10-21 | 2012-10-21 | Fixed bed fluorination reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202823313U true CN202823313U (en) | 2013-03-27 |
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ID=47935113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220537674 Withdrawn - After Issue CN202823313U (en) | 2012-10-21 | 2012-10-21 | Fixed bed fluorination reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202823313U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985577A (en) * | 2019-05-08 | 2019-07-09 | 张化机（苏州）重装有限公司 | A kind of hydrogenator |
-
2012
- 2012-10-21 CN CN 201220537674 patent/CN202823313U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985577A (en) * | 2019-05-08 | 2019-07-09 | 张化机（苏州）重装有限公司 | A kind of hydrogenator |
| CN109985577B (en) * | 2019-05-08 | 2024-02-23 | 张化机（苏州）重装有限公司 | Hydrogenation reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 110000 Liaoning Province, Shenyang Hunnan New District Nanping Road No. 2 Patentee after: Shenyang Orient Titanium Industry Co., Ltd. Address before: 110000 Liaoning Province, Shenyang Hunnan New District Nanping Road No. 2 Patentee before: Shenyang Orient Titanium Industry Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130327 Effective date of abandoning: 20141022 |
|
| RGAV | Abandon patent right to avoid regrant |