CN212692599U - Solid fine particle continuous heat exchanger - Google Patents
Solid fine particle continuous heat exchanger Download PDFInfo
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- CN212692599U CN212692599U CN202021084814.5U CN202021084814U CN212692599U CN 212692599 U CN212692599 U CN 212692599U CN 202021084814 U CN202021084814 U CN 202021084814U CN 212692599 U CN212692599 U CN 212692599U
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- fine particle
- heat exchanger
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Abstract
The utility model relates to a solid fine particle material continuous heat exchanger is particularly useful for the heat transfer that contains solid fine particle material continuous production process. The heat exchange device comprises a shell, wherein a feed inlet is formed in the top of the shell, a discharge outlet is formed in the bottom of the shell, the lower end of the feed inlet is connected with a distributor, a heat exchange tube is arranged below the distributor, a slide way is spirally wound on the heat exchange tube, and a heat exchange medium is introduced into the heat exchange tube. The utility model discloses a continuous heat exchanger can realize the continuous heat transfer of solid material in the production process, adds production flow with it, realizes continuous production, if is used in circulating fluidized bed butene oxidative dehydrogenation production technology.
Description
Technical Field
The utility model relates to a solid fine particle material continuous heat exchanger is particularly useful for the heat transfer that contains solid fine particle material continuous production process.
Background
In the continuous production process, the continuous heat exchange of the solid materials is very difficult, and the solid materials (such as the catalyst) are frequently recycled after heat is removed or added after the temperature is increased or decreased in the production process, so that the heat removal or addition process hinders the continuous production and reduces the production efficiency. Therefore, the heat exchange problem of the solid material in the continuous production process needs to be solved.
SUMMERY OF THE UTILITY MODEL
For solving the problem of the prior art, the utility model provides a solid fine particle continuous heat exchanger, this heat exchanger adds production flow, can effectively realize continuous production.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a solid fine particle continuous heat exchanger, includes the casing, and the casing top is equipped with the feed inlet, and the casing bottom is equipped with the discharge gate, the distributor is connected to the feed inlet lower extreme, and the distributor below is the heat exchange tube, spiral winding has the slide on the heat exchange tube, lets in heat transfer medium in the heat exchange tube.
In the above technical solution, further, the distributor is n identical half pipes or shallow grooves equally dividing the cross section area of the feed inlet, and the half pipes or the shallow grooves are obliquely arranged; the upper end opening of the distributor is connected with the lower end of the feed inlet, and the lower end opening of the distributor is arranged right above the heat exchange tube; the n is the same as the number of the heat exchange tubes; the same half pipe or shallow groove which equally divides the area of the feed inlet at the feed inlet can ensure that the material amount entering each heat exchange pipe is equal.
In the above technical solution, further, the slideways are spirally wound on the heat exchange tubes at equal intervals, each heat exchange tube is provided with 1-6 slideways, and the width of each slideway is 20-200 m;
in the technical scheme, furthermore, a 2-15mm weir is arranged on the outer side of the slide way, and the outer edge of the slide way is inclined upwards by 1-5 degrees during welding.
In the above technical solution, further, the diameter of the heat exchange tube is 50-150 mm.
In the above technical solution, further, the lower portion of the housing is tapered.
In the above technical scheme, further, the feed inlet extends to the inside of the shell by 50-200 mm.
In the above technical scheme, further, a heat exchange medium outlet and a heat exchange medium inlet are respectively arranged above and below the heat exchange tube.
The invention has the beneficial effects that: the utility model discloses a continuous heat exchanger can realize the continuous heat transfer of solid material in the production process, adds production flow with it, realizes continuous production, if is used in circulating fluidized bed butene oxidative dehydrogenation production technology.
Drawings
Fig. 1 is a top view of the present invention;
FIG. 2 is a schematic elevation view of an interior structure;
in the figure, 1, a shell, 2, a feed inlet, 3, a distributor, 4, a heat exchange medium outlet, 5, a slideway, 6, a heat exchange pipe, 7, a heat exchange medium inlet and 8, a material outlet.
Detailed Description
The invention is further illustrated but is not in any way limited by the following specific examples.
Example 1
A continuous heat exchanger for solid fine particle materials. As shown in fig. 1 and fig. 2: the heat exchange device comprises a shell 1, wherein a feed inlet 2 is formed in the top of the shell 1, the feed inlet 2 extends to the inside of the shell by 50-200mm, a discharge outlet 8 is formed in the bottom of the shell 1, a distributor 3 is connected to the lower end of the feed inlet, a heat exchange tube 6 is arranged below the distributor 3, a slide 5 is spirally wound on the heat exchange tube 6, a heat exchange medium is introduced into the heat exchange tube 6, and a heat exchange medium outlet 4 and a heat exchange medium inlet 7 are formed in the upper portion and the. The distributor 3 is n same half pipes or shallow grooves which equally divide the sectional area of the feed inlet, the half pipes or the shallow grooves are obliquely arranged, the inner surface of the half pipes or the shallow grooves is smooth, the upper end opening of the distributor 3 is connected to the lower end of the feed inlet 2, the lower end opening of the distributor 3 is arranged right above the heat exchange tubes 6, and the n is the same as the number of the heat exchange tubes. The same half pipe or shallow groove which equally divides the area of the feed inlet at the feed inlet can ensure that the material amount entering each heat exchange pipe is equal. The slideways 5 are spirally wound on the heat exchange tubes 6 at equal intervals, 1-6 slideways are arranged on each heat exchange tube, the width of each slideway 5 is 20-200mm, and the surface is smooth; a weir of 2-15mm is arranged at the outer side of the slideway 5, and the outer edge of the slideway is inclined upwards by 1-5 degrees during welding. Optionally, the heat exchange tubes 6 have a diameter of 50-150 mm. Optionally, the lower portion of the housing is tapered to facilitate discharge of the solid material.
During the use, the fine particle material meets distributor 3 after being added by feed inlet 2, and the material is by even after equalling along distributor shallow slot slip in heat exchange tube 6 top center, scatters under the action of gravity, evenly gets into each slide 5, because the slope is upwards gone up in slide 5 outside, and has outer weir to block, and the fine particle scatters along the slide, slowly slides down, exchanges heat with heat transfer medium from bottom to top on the slide, is collected by the centrum and is discharged from discharge gate 8 to the casing bottom.
The slideway 5 has three functions, namely, the heat exchange area is increased, the heat exchange time is increased, and the particle descending power is reduced, so that the crushing is reduced.
The heat-exchanged fine particles can be continuously circulated and returned to the production process when reaching the temperature required by the process. For example, the high-temperature catalyst separated by the cyclone separator in the butylene oxidation dehydrogenation reactor of the circulating fluidized bed can be sent back to the reactor for recycling after being cooled by the heat exchanger, thereby realizing the continuous production of the device.
It will be apparent to those skilled in the art from this disclosure that many changes and modifications can be made, or equivalents modified, in the embodiments of the invention without departing from the scope of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention shall still fall within the protection scope of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (8)
1. The utility model provides a solid fine particle continuous heat exchanger which characterized in that, includes casing (1), and casing (1) top is equipped with feed inlet (2), and casing (1) bottom is equipped with discharge gate (8), distributor (3) are connected to the feed inlet lower extreme, and distributor (3) below is heat exchange tube (6), spiral winding has slide (5) on heat exchange tube (6), lets in heat transfer medium in heat exchange tube (6).
2. A solid fine particle continuous heat exchanger according to claim 1, characterized in that the distributor (3) is n equal half pipes or shallow grooves with n equal feed inlet cross-sectional areas, and the half pipes or the shallow grooves are obliquely arranged; the upper end opening of the distributor (3) is connected to the lower end of the feed inlet (2), and the lower end opening of the distributor (3) is arranged right above the heat exchange tube (6); and n is the same as the number of the heat exchange tubes.
3. A solid fine particle continuous heat exchanger according to claim 1, characterized in that the slideways (5) are spirally wound on the heat exchange tubes (6) at equal intervals, 1-6 slideways are arranged on each heat exchange tube, and the slideways (5) are 20-200mm wide.
4. A solid fine particle continuous heat exchanger according to claim 1, characterized in that the outside of the chute (5) is provided with a 2-15mm weir, and the outside of the chute is inclined upwards by 1-5 °.
5. A solid fine particle continuous heat exchanger according to claim 1, characterized in that the diameter of the heat exchange tube (6) is 50-150 mm.
6. A solid fine particle continuous heat exchanger according to claim 1, wherein the lower housing portion is tapered.
7. A solid fine particle continuous heat exchanger according to claim 1, characterized in that the feed inlet (2) extends 50-200mm into the shell interior.
8. A solid fine particle continuous heat exchanger according to claim 1, wherein the heat exchange tubes are provided with a heat exchange medium outlet (4) and a heat exchange medium inlet (7) above and below the heat exchange tubes, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021084814.5U CN212692599U (en) | 2020-06-12 | 2020-06-12 | Solid fine particle continuous heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021084814.5U CN212692599U (en) | 2020-06-12 | 2020-06-12 | Solid fine particle continuous heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212692599U true CN212692599U (en) | 2021-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021084814.5U Active CN212692599U (en) | 2020-06-12 | 2020-06-12 | Solid fine particle continuous heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212692599U (en) |
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2020
- 2020-06-12 CN CN202021084814.5U patent/CN212692599U/en active Active
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