CN211601692U - Mixed heat exchange tube bundle supporting structure of reactor - Google Patents
Mixed heat exchange tube bundle supporting structure of reactor Download PDFInfo
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- CN211601692U CN211601692U CN201922119857.6U CN201922119857U CN211601692U CN 211601692 U CN211601692 U CN 211601692U CN 201922119857 U CN201922119857 U CN 201922119857U CN 211601692 U CN211601692 U CN 211601692U
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Abstract
The utility model discloses a reactor mixes heat exchanger tube bank bearing structure, include: the grid supporting plate is of a disc-shaped structure, is arranged on the cross section of the reactor and comprises a through hole in the middle and a plurality of heat exchange tube positioning cylinders distributed around the through hole, and adjacent heat exchange tube positioning cylinders are connected through a lath; the plurality of distance tubes are connected between the lower tube plate of the reactor and the grid supporting plate and used for fixing the grid supporting plate; the positioning support structure is a cylindrical structure formed by connecting four connecting sleeves and four connecting arc plates in a staggered manner, is positioned in the middle of the reactor and is used for fixing the material mixing pipe; the distance rod is of a stepped shaft structure, the large-diameter end of the distance rod is fixedly connected to the lower tube plate of the reactor, the small-diameter end of the distance rod extends upwards and is inserted into the connecting sleeve of the positioning support structure, and the connecting sleeve is positioned by utilizing the shaft shoulder. The device is used for supporting the heat exchange tube bundle and the material mixing tube in the reactor for preparing saturated fatty acid from methyl acetaldehyde.
Description
Technical Field
The utility model belongs to the technical field of methyl acetaldehyde oxidation system saturated fatty acid, in particular to methyl acetaldehyde system saturated fatty acid is heat transfer device and material mixed heat transfer bearing structure for reactor.
Background
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be taken as an acknowledgement or any form of suggestion that this information constitutes prior art that is already known to a person skilled in the art.
In the process of preparing saturated fatty acid from methyl acetaldehyde, a methyl acetaldehyde oxidation reactor is a core device, methyl acetaldehyde needs to be fully mixed with air in the process of preparing saturated fatty acid from methyl acetaldehyde through oxidation, and methyl acetaldehyde is oxidized into saturated fatty acid under the environment of full contact with oxygen. The reactor is a tubular gas-liquid jet mixing stirring-free tower type reactor, reaction materials are sprayed from a top mixing pipe through a nozzle to enter the bottom of a shell side of the equipment, shell side reaction liquid flows from top to bottom through a circulating pump to ensure uniform mixing of the materials, and warm water is introduced into a heat exchange pipe of the equipment to adjust the temperature in the reactor. The device reaction operation in-process need guarantee the material intensive mixing, so must not set up the baffling board in heat transfer section shell side, the heat transfer section is longer to lead to the heat exchange tube not to support the span too big, and external pressure calculates the length overlength, leads to the unstability easily, so need set up neotype tube bank bearing structure. For guaranteeing the gas-liquid intensive mixing, inside the top material stretched into equipment through the material mixing tube, was being close to equipment bottom position and was spraying to equipment shell side through the nozzle, and this internal stretching structure has adopted detachable construction, in order to prevent the swing of internal stretching structure at the operation in-process, need increase bearing structure.
Disclosure of Invention
In order to solve the technical problem that exists among the prior art, the utility model aims at providing a reactor mixes heat exchanger tube bank bearing structure for heat exchanger tube bank and material hybrid tube in the saturated fatty acid reactor of methyl acetaldehyde system support, can overcome the heat exchange tube external pressure and calculate length overlength, easy unstability's technological problem, and link together material hybrid tube with this bearing structure effectively, prevent the swing of hybrid tube, guarantee the safe operation of equipment.
In order to solve the technical problem, the technical scheme of the utility model is that:
a reactor hybrid heat exchanger tube bundle support structure comprising:
the grid supporting plate is of a disc-shaped structure, is arranged on the cross section of the reactor and comprises a through hole in the middle and a plurality of heat exchange tube positioning cylinders distributed around the through hole, and adjacent heat exchange tube positioning cylinders are connected through a lath;
the plurality of distance tubes are connected between the lower tube plate of the reactor and the grid supporting plate and used for fixing the grid supporting plate;
the positioning support structure is a cylindrical structure formed by connecting four connecting sleeves and four connecting arc plates in a staggered manner, is positioned in the middle of the reactor and is used for fixing the material mixing pipe;
the distance rod is of a stepped shaft structure, the large-diameter end of the distance rod is fixedly connected to the lower tube plate of the reactor, the small-diameter end of the distance rod extends upwards and is inserted into the connecting sleeve of the positioning support structure, and the connecting sleeve is positioned by utilizing the shaft shoulder.
The heat exchange tubes of the grid support plate can fix the heat exchange tube bundle in the reactor, so that the heat exchange tube bundle is supported. The enclosed space between the slats of the grid support plate can allow the material to pass through, and the obstruction to the material flow is reduced.
The distance tube is connected between lower tube sheet and grid backup pad, installs fixedly grid backup pad to improve the stability of grid backup pad installation.
The material mixing pipe of reactor is fixed inside location bearing structure, has realized the support to the material mixing pipe, can prevent that material disturbance from causing destruction to the material mixing pipe among the reaction process, and the distance pole can carry out the location support to location bearing structure.
The distance rod structure is less, and the installation is easy, adopts the distance rod to support location bearing structure to improve location bearing structure's stability. The four connecting sleeves in the positioning support structure are used for being connected with the distance rods in an inserting mode, and construction is facilitated.
In some embodiments, a sealing plate is welded to a part of the grid support plate, a small hole is formed in the sealing plate, external threads are arranged at two ends of the pull rod, the pull rod is arranged inside the distance tube, the lower end of the pull rod is in threaded connection with a lower tube plate of the reactor, and the upper end of the pull rod penetrates through the small hole and is fixed by a bolt. The pull rod is matched with the distance tube, so that the grid supporting plate can be better fixed.
Further, the number of the grid support plates is 2, and the grid support plates are distributed at different heights of the reactor.
In some embodiments, the inner side of the connecting sleeve of the positioning and supporting structure is provided with a drainage structure, and the upper end of the drainage structure is sloped.
The drainage structure is arranged, so that the installation of the grating support plate or the material mixing pipe is facilitated.
In some embodiments, the number of the positioning support structures is at least two, and the positioning support structures are distributed at different heights of the material mixing pipe.
Furthermore, the distance rod is sequentially provided with a small-diameter section, a middle section and a large-diameter section, the diameter of the middle section is the largest and is larger than the inner diameter of the connecting sleeve, and the diameter of the large-diameter section is smaller than the inner diameter of the connecting sleeve; the path section sets up the external screw thread, and the big footpath end sets up the internal thread, and the path end and the lower tube sheet threaded connection of lower floor's distance pole, big footpath end are worn into connecting sleeve in, the path section of upper layer distance pole and the big footpath end cooperation of lower floor's distance pole. The middle sections of the distance rods of the upper layer and the lower layer are used for clamping and positioning the positioning support structure.
Still further, the number of the positioning support structures is 2-3, and the positioning support structures are respectively positioned on two sides of the grid support plate.
When the arrangement mode is adopted, the distance rod penetrates through the through hole in the middle of the grid support plate, the grid support plate can be fixed in the horizontal direction, and the grid support plate is prevented from shaking in the horizontal direction.
Furthermore, after the large-diameter section of the uppermost distance rod is inserted into the connecting sleeve, the large-diameter section is fixed by the locking nut.
The utility model has the advantages that:
1. the utility model discloses a enclose into certain space through the lath in the grid backup pad, can furthest guarantee the material circulation in the equipment shell side, guarantee the intensive mixing of shell side material, guarantee the reaction effect.
2. The utility model discloses a mixed bearing structure can effectively fix grid backup pad, material mixing tube, heat exchanger tube bank, location support together, forms overall structure, prevents the destruction of material disturbance to internals in the reaction process.
3. The utility model discloses a heat exchange tube location section of thick bamboo can effectively support the heat exchange tube, prevents the heat exchange tube unstability.
4. Be provided with drainage structure on the location bearing structure, can guarantee the smooth dismouting of material hybrid tube.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic structural diagram of a mixed heat exchange tube bundle support structure of a reactor according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of the grid support plate of the present invention, wherein (a) is a schematic structural view of the grid support plate; (b) is an enlarged view at I-a structural schematic diagram of a heat exchange tube fixing unit; (c) enlarged at II; (d) is an enlarged view at A-A; (e) is an enlarged view at B-B; (f) an enlarged view at C-C.
Fig. 3 is a schematic structural diagram of a positioning support structure according to an embodiment of the present invention, wherein (a) is a sectional view of the positioning support structure; (b) to position the support structure in top view.
Fig. 4 is a schematic structural diagram of a distance rod according to an embodiment of the present invention.
In the figure: 1. the heat exchange tube comprises a lower tube plate, 2 distance rods, 3 positioning support structures, 4 distance tubes, 5 grille support plates, 6 locking nuts, 7 heat exchange tubes, 8 mixing tubes, 9 pull rods, 10 nuts, 11 dismounting flanges, 12 heat exchange tube positioning cylinders, 13 battens, 14 distance rod positioning cylinders, 15 sealing plates, 16 connecting sleeves, 17 connecting arc plates and 18 drainage rods.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1, a reactor hybrid heat exchange tube bundle supporting structure comprises a lower tube plate 1, distance rods 2, a positioning supporting structure 3, distance tubes 4, a grid supporting plate 5, a locking nut 6, a heat exchange tube 7, a material mixing tube 8, a pull rod 9, a nut 10 and a dismounting flange 11.
The material mixing pipe 8 is fastened at the top of the equipment through the dismounting flange 11, and the dismounting of the material mixing pipe can be realized through the dismounting flange 11, so that the maintenance of the material mixing pipe is facilitated.
As shown in fig. 2, the grid support plate 5 is a disc-shaped structure, is installed on the cross section of the reactor, and includes a through hole in the middle and a plurality of heat exchange tube positioning cylinders 12 distributed around the through hole, adjacent heat exchange tube positioning cylinders 12 are connected by slats 13, and a triangular area is defined by the heat exchange tube positioning cylinders 12 and the slats 13, so that the reaction material can pass through smoothly.
Inside material mixing pipe 8 stretched into the reactor through 5 central trompils of grid backup pad, fixed its position through location bearing structure 3 prevented that material mixing pipe 8 from producing the vibration because of the material disturbance.
As shown in fig. 2, the grid support plate 5 is a disc-shaped structure, is installed on the cross section of the reactor, and comprises a through hole in the middle and a plurality of heat exchange tube fixing units distributed around the through hole, each heat exchange tube fixing unit comprises three heat exchange tube positioning cylinders 12 and a lath 13 connected between the adjacent heat exchange tube positioning cylinders 12, and a triangular fixing area is defined by the laths; the heat exchange tube positioning cylinders in the adjacent heat exchange tube fixing units are connected through the battens to form a grid-shaped supporting plate.
The heat exchange tube 7 is supported by the heat exchange tube positioning cylinder 12, a grid hole in the grid support plate 5 is plugged by the sealing plate 15, and a small hole is formed in the sealing plate 15 and used for penetrating the pull rod 9 and fixing the grid support plate 4 through the distance tube 4.
As shown in fig. 3, the positioning support structure 3 is composed of a connecting sleeve 16, a connecting arc plate 17 and a drainage rod 18. The material mixing pipe 8 is fixed in the middle of the positioning support 3, and drainage is performed through the drainage rod 18 with an oblique opening angle during installation, so that the material mixing pipe 8 is convenient to install.
As shown in fig. 1, two positioning support structures 3 are provided, and are respectively located at the upper and lower sides of the grid support plate 5. Four distance rod positioning cylinders 14 are arranged at the through hole in the middle of the grating supporting plate 5.
As shown in fig. 4, the distance rod 2 is provided with a small diameter section, a middle section and a large diameter section in sequence, wherein the diameter of the middle section is the largest and is larger than the inner diameter of the connecting sleeve 16, and the diameter of the large diameter section is smaller than the inner diameter of the connecting sleeve 16; the path section sets up the external screw thread, and the big footpath end sets up the internal thread, and the path end and the 1 threaded connection of lower floor's tube sheet of lower floor's distance pole, big footpath end are worn into adapter sleeve 16 in, and the path section of upper layer distance pole and the cooperation of the big footpath end of lower floor's distance pole utilize the interlude of the distance pole of upper and lower floor to press from both sides tightly location bearing structure, fix a position. The large diameter section of the uppermost distance rod is inserted into the connecting sleeve 16, the length of the large diameter section is set to be larger than the height of the positioning and supporting structure 3, an external thread is processed on the outer side of the large diameter section, and the large diameter section is fixed by the locking nut 6.
The distance rod passes through the distance rod positioning cylinder 14 to position the grid support plate 5 in the horizontal direction.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a reactor hybrid heat exchanger tube bank bearing structure which characterized in that: the method comprises the following steps:
the grid supporting plate is of a disc-shaped structure, is arranged on the cross section of the reactor and comprises a through hole in the middle and a plurality of heat exchange tube positioning cylinders distributed around the through hole, and adjacent heat exchange tube positioning cylinders are connected through a lath;
the plurality of distance tubes are connected between the lower tube plate of the reactor and the grid supporting plate and used for fixing the grid supporting plate;
the positioning support structure is a cylindrical structure formed by connecting four connecting sleeves and four connecting arc plates in a staggered manner, is positioned in the middle of the reactor and is used for fixing the material mixing pipe;
the distance rod is of a stepped shaft structure, the large-diameter end of the distance rod is fixedly connected to the lower tube plate of the reactor, the small-diameter end of the distance rod extends upwards and is inserted into the connecting sleeve of the positioning support structure, and the connecting sleeve is positioned by utilizing the shaft shoulder.
2. The reactor hybrid heat exchanger tube bundle support structure of claim 1, wherein: the local welding of grid backup pad has the shrouding, sets up the aperture on the shrouding, and the both ends of pull rod all are provided with the external screw thread, and the pull rod sets up inside the distance pipe, and its lower extreme and the lower tube sheet threaded connection of reactor, the upper end is passed the aperture and is fixed with the bolt.
3. The reactor hybrid heat exchanger tube bundle support structure of claim 2, wherein: the number of the grid support plates is 2, and the grid support plates are distributed at different heights of the reactor.
4. The reactor hybrid heat exchanger tube bundle support structure of claim 1, wherein: the inner side of the connecting sleeve of the positioning and supporting structure is provided with a drainage structure, and the upper end of the drainage structure is provided with a slope.
5. The reactor hybrid heat exchanger tube bundle support structure of claim 1, wherein: the number of the positioning support structures is at least two, and the positioning support structures are distributed at different heights of the material mixing pipe.
6. The reactor hybrid heat exchanger tube bundle support structure according to claim 5, wherein: the distance rod is sequentially provided with a small-diameter section, a middle section and a large-diameter section, the diameter of the middle section is the largest and is larger than the inner diameter of the connecting sleeve, and the diameter of the large-diameter section is smaller than the inner diameter of the connecting sleeve; the path section sets up the external screw thread, and the big footpath end sets up the internal thread, and the path end and the lower tube sheet threaded connection of lower floor's distance pole, big footpath end are worn into connecting sleeve in, the path section of upper layer distance pole and the big footpath end cooperation of lower floor's distance pole.
7. The reactor hybrid heat exchanger tube bundle support structure of claim 6, wherein: the number of the positioning support structures is 2-3, and the positioning support structures are respectively positioned on two sides of the grid support plate.
8. The reactor hybrid heat exchanger tube bundle support structure according to claim 7, wherein: after the large-diameter section of the uppermost distance rod is inserted into the connecting sleeve, the large-diameter section is fixed by the locking nut.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922119857.6U CN211601692U (en) | 2019-11-29 | 2019-11-29 | Mixed heat exchange tube bundle supporting structure of reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922119857.6U CN211601692U (en) | 2019-11-29 | 2019-11-29 | Mixed heat exchange tube bundle supporting structure of reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114832730A (en) * | 2022-05-06 | 2022-08-02 | 聊城市鲁西化工工程设计有限责任公司 | Fluidized bed reaction device and method for synthesizing organochlorosilane monomer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114832730A (en) * | 2022-05-06 | 2022-08-02 | 聊城市鲁西化工工程设计有限责任公司 | Fluidized bed reaction device and method for synthesizing organochlorosilane monomer |
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