CN209848856U - Novel radial reactor - Google Patents
Novel radial reactor Download PDFInfo
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- CN209848856U CN209848856U CN201920307145.4U CN201920307145U CN209848856U CN 209848856 U CN209848856 U CN 209848856U CN 201920307145 U CN201920307145 U CN 201920307145U CN 209848856 U CN209848856 U CN 209848856U
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Abstract
The utility model relates to a novel radial reactor, which comprises a support and a reaction body arranged on the support, wherein the reaction body comprises a reaction shell, a distributor, a gas collecting cylinder, a heat exchange tube, an upper tube plate and a lower tube plate; the distributor, the gas collecting cylinder, the lower tube plate and the lower part of the reaction shell are matched to form a heat exchange reaction shell pass of the reaction cavity, and the upper tube plate and the lower tube plate are matched with the heat exchange tube to form a heat exchange reaction tube pass of the reaction cavity. The utility model has the advantages that: compared with the traditional tubular reactor, the process gas is changed into the process gas to flow radially, so that the reaction efficiency is greatly improved, the volume of the reactor is reduced, the manufacturing cost of equipment is reduced, and the process gas is suitable for various process systems for synthesis in a gas state; meanwhile, from the perspective of chemical technology, the reactor also has the advantages of small pressure drop, uniform temperature and the like, and the reactor also provides possibility for the large-scale device.
Description
Technical Field
The utility model relates to a chemical industry technical field, in particular to novel radial reactor.
Background
The reactor is a device for realizing the reaction process and is widely applied to the fields of chemical industry, oil refining, metallurgy and the like. The reactor is used for realizing a liquid phase single phase reaction process and a liquid-liquid, gas-liquid, liquid-solid, gas-liquid-solid and other multi-phase reaction processes.
The traditional tubular reactor process gas flows axially along the tube side, but the tubular reactor with the structure has certain defects: 1. the reactor adopts an axial flow mode, so that the reaction efficiency is inhibited to a certain extent; 2. a sufficiently large volume of the reactor is required, which in turn increases the manufacturing cost of the apparatus.
Therefore, it is necessary to develop a novel radial reactor which can greatly improve the reaction efficiency and reduce the manufacturing cost of the equipment.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a can increase substantially reaction efficiency and can reduce equipment manufacturing cost's novel radial reactor.
In order to solve the technical problem, the utility model adopts the technical scheme that: a novel radial reactor is characterized in that: the device comprises a support and a reaction body arranged on the support, wherein the reaction body comprises a reaction shell, a distributor and a gas collecting cylinder;
the distributor is arranged in the upper part of the reaction shell, and the distributor and the axis of the reaction shell are coaxially arranged; the distributor comprises outer distributor cylinders uniformly distributed with multiple holes and outer distributor cover plates arranged at the top ends of the outer distributor cylinders, and an annular space is formed between each outer distributor cylinder and the reaction shell; a supporting ring for separating and supporting is further arranged between the lower end of the outer distributor barrel and the reaction shell, and the distributor and the supporting ring divide the reaction shell into a reaction cavity and a gas distribution cavity which are coaxial;
the reaction cavity is provided with a coaxial gas collecting cylinder in the center, and the upper end and the lower end of the gas collecting cylinder are respectively connected with an upper tube plate and a lower tube plate which are not directly communicated with the gas collecting cylinder; a plurality of heat exchange tubes are distributed in the reaction cavity at the periphery of the gas cylinder, each heat exchange tube comprises a middle main body section and upper and lower bending sections, the main body sections of the heat exchange tubes are parallel to the axes of the reaction shell and the gas cylinder, and the upper and lower bending sections are bent towards the axes of the reaction shell and the gas cylinder and are communicated with the upper and lower tube plates;
the distributor, the gas collecting cylinder, the lower tube plate and the lower part of the reaction shell are matched to form a heat exchange reaction shell pass of the reaction cavity, and the upper tube plate and the lower tube plate are matched with the heat exchange tube to form a heat exchange reaction tube pass of the reaction cavity;
ceramic balls, a gas-barrier sand layer and a catalyst are sequentially arranged in the heat exchange reaction shell pass from bottom to top, and the gas-barrier sand layer divides the heat exchange reaction shell pass into an upper heat exchange reaction shell pass and a lower heat exchange reaction shell pass which are not directly communicated;
the upper end of the reaction shell is provided with a mixed gas inlet communicated with the gas distribution cavity, and the lower end of the reaction shell is provided with a synthetic gas outlet communicated with the lower heat exchange reaction shell side; the gas enters the gas distribution cavity from the mixed gas inlet, is converged into the upper part of the gas collecting cylinder through the upper heat exchange reaction shell pass along the direction vertical to the axis of the reaction shell, and is dispersed into the lower heat exchange reaction shell pass from the lower part of the gas collecting cylinder along the direction vertical to the axis of the reaction shell;
the upper end of the reaction shell is also provided with a refrigerant steam outlet communicated with the upper tube plate, and the lower end of the reaction shell is also provided with a refrigerant inlet communicated with the lower tube plate; the refrigerant enters the inner cavity of the lower tube plate from the refrigerant inlet, flows into each heat exchange tube, is gasified after absorbing heat generated by chemical reaction transmitted from the tube wall of each heat exchange tube, flows out of the heat exchange tubes, enters the inner cavity of the upper tube plate, and finally flows away from the refrigerant steam outlet.
Further, the heat exchange tube adopts a steel tube with a circular cross section.
Furthermore, the upper tube plate and the lower tube plate are both special-shaped tube plates formed by space curved surfaces.
Furthermore, a ceramic ball baffle plate with a porous structure communicated with the synthesis gas outlet is arranged on the inner side wall of the lower end of the reaction shell.
Furthermore, the upper end of the reaction shell is also provided with a catalyst inlet communicated with the distributor, and the lower end of the reaction shell is also provided with a catalyst outlet communicated with the lower heat exchange reaction shell side.
The utility model has the advantages that:
(1) compared with the traditional tubular reactor, the radial reactor of the utility model has the advantages that the process gas is changed into the process gas to move away from the shell side and flow radially, thereby greatly improving the reaction efficiency, reducing the volume of the reactor, reducing the manufacturing cost of the equipment and being suitable for various process systems which are synthesized in a gas state; meanwhile, from the perspective of chemical technology, the reactor also has the advantages of small pressure drop, uniform temperature and the like, and the reactor also provides possibility for the large-scale device;
(2) the utility model discloses radial reactor, wherein, the upper and lower bending section of heat exchange tube is folded to the axis of reaction housing, gas cylinder, and is communicated with upper and lower tube sheet, this kind of structure can reduce the thermal stress in tube sheet and tube head joint weld greatly; in addition, the upper tube plate and the lower tube plate are both special-shaped tube plates formed by adopting space curved surfaces, and compared with the common tube plate, the tube plate has the advantage of small internal stress, and the thickness of the tube plate can be reduced in a range.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the radial reactor of the present invention.
Detailed Description
The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.
Examples
The novel radial reactor of the present embodiment, as shown in fig. 1, comprises a support 1 and a reaction body disposed on the support 1, the reaction body comprising a reaction shell 6, a distributor and a gas collecting cylinder 14.
The distributor is arranged in the upper part of the reaction shell 6 and is coaxially arranged with the axis of the reaction shell 6; the distributor comprises outer distributor cylinders 13 uniformly distributed with multiple holes and an outer distributor cover plate 10 arranged at the top ends of the outer distributor cylinders 13, and an annular space is formed between the outer distributor cylinders 13 and the reaction shell 6; a supporting ring 5 for separating and supporting is arranged between the lower end of the outer distributor barrel and the reaction shell 6, and the distributor and the supporting ring 5 separate the reaction shell 6 into a reaction cavity and a gas distribution cavity which are coaxial.
The center of the reaction cavity is provided with a coaxial gas collecting cylinder 14, the upper end and the lower end of the gas collecting cylinder 14 are respectively connected with an upper tube plate 11 and a lower tube plate 17 which are not directly communicated with the gas collecting cylinder, in the specific implementation, the upper tube plate 11 and the lower tube plate 17 both adopt special-shaped tube plates formed by space curved surfaces, and the tube plates have the advantage of small internal stress compared with the common tube plates and can reduce the thickness of the tube plates in amplitude; a plurality of heat exchange tubes 16 are distributed in the reaction cavity at the periphery of the gas collecting cylinder 14, and the heat exchange tubes 16 are steel tubes with circular cross sections; the heat exchange tubes 16 comprise a middle main body section and upper and lower bending sections, the main body section of each heat exchange tube 16 is parallel to the axes of the reaction shell 6 and the gas cylinder 14, and the upper and lower bending sections of each heat exchange tube 16 are bent towards the axes of the reaction shell 6 and the gas cylinder 14 and are communicated with the upper tube plate 11 and the lower tube plate 17.
The distributor, the gas collecting cylinder 14, the lower tube plate 17 and the lower part of the reaction shell are matched to form a heat exchange reaction shell pass of the reaction cavity, and the upper tube plate 11, the lower tube plate 17 and the heat exchange tube 16 are matched to form a heat exchange reaction tube pass of the reaction cavity; the heat exchange reaction shell side is internally provided with ceramic balls 18, a gas-barrier sand layer 15 and a catalyst 12 from bottom to top in sequence, and the gas-barrier sand layer 15 divides the heat exchange reaction shell side into an upper heat exchange reaction shell side and a lower heat exchange reaction shell side which are not directly communicated.
The upper end of the reaction shell 6 is provided with a mixed gas inlet 7 communicated with a gas distribution cavity, the lower end of the reaction shell 6 is provided with a synthetic gas outlet 3 communicated with the lower heat exchange reaction shell side, and the inner side wall of the lower end of the reaction shell 6 is provided with a ceramic ball baffle plate 4 with a porous structure communicated with the synthetic gas outlet 3; the mixed gas (i.e. the gas to be synthesized) enters the gas distribution cavity from the mixed gas inlet 7, converges through the upper heat exchange reaction shell pass along the direction vertical to the axis of the reaction shell, enters the upper part of the gas collecting cylinder 14, disperses into the lower heat exchange reaction shell pass along the direction vertical to the axis of the reaction shell 6 from the lower part of the gas collecting cylinder 14, and finally flows to the synthesis gas outlet 3.
The upper end of the reaction shell 6 is also provided with a refrigerant steam outlet 8 communicated with the upper tube plate 11, and the lower end of the reaction shell 6 is also provided with a refrigerant inlet 2 communicated with the lower tube plate 17; the refrigerant enters the inner cavity of the lower tube plate 17 from the refrigerant inlet 2, then flows into each heat exchange tube 16, is gasified after absorbing the heat generated by the chemical reaction transmitted from the tube wall of the heat exchange tube 16, then flows out of the heat exchange tube 16, enters the inner cavity of the upper tube plate 11, and finally flows away from the refrigerant steam outlet 8.
By way of example, a more specific embodiment is that the upper end of the reaction shell 6 is further provided with a catalyst inlet 9 communicated with the distributor, and the lower end of the reaction shell 6 is further provided with a catalyst outlet 19 communicated with the lower heat exchange reaction shell side, so as to facilitate replacement of the catalyst 12 in the heat exchange reaction shell side.
The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A novel radial reactor is characterized in that: the device comprises a support and a reaction body arranged on the support, wherein the reaction body comprises a reaction shell, a distributor and a gas collecting cylinder;
the distributor is arranged in the upper part of the reaction shell, and the distributor and the axis of the reaction shell are coaxially arranged; the distributor comprises outer distributor cylinders uniformly distributed with multiple holes and outer distributor cover plates arranged at the top ends of the outer distributor cylinders, and an annular space is formed between each outer distributor cylinder and the reaction shell; a supporting ring for separating and supporting is further arranged between the lower end of the outer distributor barrel and the reaction shell, and the distributor and the supporting ring divide the reaction shell into a reaction cavity and a gas distribution cavity which are coaxial;
the reaction cavity is provided with a coaxial gas collecting cylinder in the center, and the upper end and the lower end of the gas collecting cylinder are respectively connected with an upper tube plate and a lower tube plate which are not directly communicated with the gas collecting cylinder; a plurality of heat exchange tubes are distributed in the reaction cavity at the periphery of the gas collecting cylinder, each heat exchange tube comprises a middle main body section and upper and lower bending sections, the main body sections of the heat exchange tubes are parallel to the axes of the reaction shell and the gas collecting cylinder, and the upper and lower bending sections are bent to the axes and communicated with the upper and lower tube plates;
the distributor, the gas collecting cylinder, the lower tube plate and the lower part of the reaction shell are matched to form a heat exchange reaction shell pass of the reaction cavity, and the upper tube plate and the lower tube plate are matched with the heat exchange tube to form a heat exchange reaction tube pass of the reaction cavity;
ceramic balls, a gas-barrier sand layer and a catalyst are sequentially arranged in the heat exchange reaction shell pass from bottom to top, and the gas-barrier sand layer divides the heat exchange reaction shell pass into an upper heat exchange reaction shell pass and a lower heat exchange reaction shell pass which are not directly communicated;
the upper end of the reaction shell is provided with a mixed gas inlet communicated with the gas distribution cavity, and the lower end of the reaction shell is provided with a synthetic gas outlet communicated with the lower heat exchange reaction shell side; gas enters the gas distribution cavity from the mixed gas inlet, is converged into the upper part of the gas collecting cylinder through the upper heat exchange reaction shell pass along the direction vertical to the axis of the reaction shell, and is dispersed into the lower heat exchange reaction shell pass from the lower part of the gas collecting cylinder along the direction vertical to the axis of the reaction shell;
the upper end of the reaction shell is also provided with a refrigerant steam outlet communicated with the upper tube plate, and the lower end of the reaction shell is also provided with a refrigerant inlet communicated with the lower tube plate; the refrigerant enters the inner cavity of the lower tube plate from the refrigerant inlet, flows into each heat exchange tube, is gasified after absorbing heat generated by chemical reaction transmitted from the tube wall of each heat exchange tube, flows out of the heat exchange tubes, enters the inner cavity of the upper tube plate, and finally flows away from the refrigerant steam outlet.
2. The novel radial reactor of claim 1, characterized in that: the heat exchange tube is a steel tube with a circular cross section.
3. The novel radial reactor of claim 1, characterized in that: the upper tube plate and the lower tube plate are both special-shaped tube plates formed by space curved surfaces.
4. The novel radial reactor of claim 1, characterized in that: and a ceramic ball baffle plate with a porous structure communicated with the synthesis gas outlet is arranged on the inner side wall of the lower end of the reaction shell.
5. The novel radial reactor according to claim 1, 2, 3 or 4, characterized in that: the upper end of the reaction shell is also provided with a catalyst inlet communicated with the distributor, and the lower end of the reaction shell is also provided with a catalyst outlet communicated with the lower heat exchange reaction shell side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920307145.4U CN209848856U (en) | 2019-03-12 | 2019-03-12 | Novel radial reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920307145.4U CN209848856U (en) | 2019-03-12 | 2019-03-12 | Novel radial reactor |
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| CN209848856U true CN209848856U (en) | 2019-12-27 |
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| CN201920307145.4U Active CN209848856U (en) | 2019-03-12 | 2019-03-12 | Novel radial reactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109701456A (en) * | 2019-03-12 | 2019-05-03 | 江苏永大化工机械有限公司 | A kind of novel radial reactor |
| CN115382471A (en) * | 2022-09-28 | 2022-11-25 | 江苏永大化工机械股份有限公司 | Radial reactor |
-
2019
- 2019-03-12 CN CN201920307145.4U patent/CN209848856U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109701456A (en) * | 2019-03-12 | 2019-05-03 | 江苏永大化工机械有限公司 | A kind of novel radial reactor |
| CN115382471A (en) * | 2022-09-28 | 2022-11-25 | 江苏永大化工机械股份有限公司 | Radial reactor |
| CN115382471B (en) * | 2022-09-28 | 2024-05-03 | 江苏永大化工机械股份有限公司 | Radial reactor |
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Address after: 9 Huaxing Road, Jiuhua Town, Rugao City, Nantong City, Jiangsu Province, 226500 Patentee after: Jiangsu Yongda Chemical Machinery Co.,Ltd. Address before: 9 Huaxing Road, Jiuhua Town, Rugao City, Nantong City, Jiangsu Province, 226500 Patentee before: JIANGSU YONGDA CHEMICAL MACHINERY CO.,LTD. |
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