CN215356183U - Multi-tube spiral type aerosol heating device - Google Patents
Multi-tube spiral type aerosol heating device Download PDFInfo
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- CN215356183U CN215356183U CN202121870813.8U CN202121870813U CN215356183U CN 215356183 U CN215356183 U CN 215356183U CN 202121870813 U CN202121870813 U CN 202121870813U CN 215356183 U CN215356183 U CN 215356183U
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Abstract
The utility model discloses a multi-tube spiral aerosol heating device, which comprises a tubular furnace frame (4), a multi-tube furnace body (5) and a flow guide device; the upper part of the tubular furnace frame (4) is provided with a heating hearth (9); the multi-pipe furnace body (5) is positioned in the heating hearth (9) and comprises a plurality of furnace pipes with horizontal axes, and each furnace pipe is wrapped with a heating layer (11); the flow guide device is arranged on the tubular furnace frame (4) and leads the carrier gas into corresponding furnace tubes in a spiral airflow mode. This spiral aerosol heating device of multitube, simple structure is compact, not only reduces the existence of temperature gradient in the pipeline, shortens heating time, avoids the space crowd in experiment place, and the reaction is more abundant moreover, compares the residence time that traditional side effectively shortened furnace body length or aerosol, practices thrift the cost.
Description
Technical Field
The utility model relates to the technical field of metal powder preparation, in particular to a multi-tube spiral type aerosol heating device.
Background
In the process of preparing the metal powder, carrier gas carries the powder through the rear end of a centrifugal spray dryer to form carrier gas aerosol, and the carrier gas aerosol enters a specific heating device for heating;
the existing heating device is mainly a heating furnace tube, which cannot meet the output heating with high efficiency and high yield, namely, the same process equipment is simply increased to occupy the space of a production place, and simultaneously, huge expenditure can be caused, and under the condition of unchanged process, the traditional method adopts the increase of the tube diameter of the reaction tube furnace to realize the output heating, but when the tube diameter is increased, under the condition of high temperature and constant temperature, an obvious temperature gradient can be caused from the tube diameter center to the tube wall in the tube diameter, the condition of uneven heating exists, the reaction time needs to be prolonged for reaching the reaction, although the whole pyrolysis is ensured under certain conditions, the reaction time is prolonged under high temperature, particles can be condensed and grow, the particle size distribution becomes wider (displayed by a laser particle size distribution diagram), the particle size distribution is changed, and the product quality is influenced.
Disclosure of Invention
The utility model provides a multi-tube spiral type aerosol heating device which is simple and compact in structure, not only reduces the temperature gradient in a pipeline, shortens the heating time, avoids the space crowding of an experimental site, but also has more sufficient reaction, effectively shortens the furnace body length or the retention time of aerosol compared with the traditional method, and saves the cost.
In order to realize the aim, the multi-tube spiral aerosol heating device comprises a tubular furnace frame, a multi-tube furnace body and a flow guide device;
a heating hearth is arranged at the upper part of the tubular furnace frame;
the multi-pipe furnace body is positioned in the heating hearth and comprises a plurality of furnace pipes with horizontal axes, and each furnace pipe is wrapped with a heating layer;
the flow guide device is arranged on the frame of the tube furnace, and the carrier gas forms spiral airflow to be introduced into the corresponding furnace tube.
Furthermore, the flow guide device comprises a flow guide flange, flow guide holes correspondingly communicated with the plurality of furnace tubes are formed in the flow guide flange, and a plurality of rectangular flow guide sheets with inclination angles are rotatably arranged in each flow guide hole;
the middle parts of the plurality of rectangular guide vanes are mutually overlapped, and the two ends of the plurality of rectangular guide vanes form a blade structure with uniformly arranged circumference.
Furthermore, two ends of the plurality of furnace tubes are respectively welded between the multi-tube clamp outlet and the multi-tube clamp inlet;
the multi-pipe clamp outlet and the multi-pipe clamp inlet are respectively sealed and arranged on the heating furnace chamber in a heat preservation way;
the flow guiding device is positioned at one end of the inlet of the multi-pipe clamp.
Furthermore, the number of the furnace tubes is 2-100, and the furnace tubes are uniformly arranged on the circumference;
the pipe diameter of each furnace pipe is 1-30cm and is consistent with the diameter of the diversion hole;
the heating temperature of the heating layer is 50-1400 ℃.
Furthermore, the middle part of the heating hearth is provided with a temperature measuring bayonet which is wrapped and arranged at the outer side of the multi-tube furnace body, and a temperature measuring device which corresponds to the plurality of furnace tubes and measures the internal temperature of the furnace tubes is arranged on the temperature measuring bayonet.
Further, a digital display touch screen is arranged at the lower part of the tubular furnace frame;
the controller in the digital display touch screen is connected with the plurality of heating layers and controls corresponding heating temperatures, and the temperature measuring device is connected with the digital display touch screen and displays the temperatures of the corresponding furnace tubes.
Further, a heat insulation material is arranged between the heating hearth and the multi-pipe furnace body;
and an air extractor for extracting air from the multi-tube furnace body is arranged at one end of the tube furnace frame, which is positioned at the outlet of the multi-tube clamp.
Compared with the prior art, the multi-tube spiral aerosol heating device has the advantages that the multi-tube furnace body comprises the furnace tubes with the axes arranged horizontally, and each furnace tube is wrapped with the heating layer for independent heating, so that the temperature gradient in the pipeline is greatly reduced under the condition that the production process is not changed, and the pipe diameter of each furnace tube is smaller than that of one heating furnace tube used independently, so that the heating time is greatly shortened, the space crowding of an experimental site is avoided to a certain extent, and the space occupancy rate is effectively improved; because the flow guide device is arranged, the blade structure formed by the plurality of rectangular flow guide sheets rotates to change the direct-current carrier gas aerosol into the spiral airflow and correspondingly enters the plurality of furnace tubes, when the airflow flows in the corresponding furnace tubes in a spiral state, the contact area between the carrier gas aerosol and the furnace tubes is effectively increased, the reaction is more sufficient, the furnace body length or the retention time of the aerosol is effectively shortened compared with the traditional mode, and the cost is saved; because the digital display touch screen on the tubular furnace frame has the functions of control and display, the corresponding heating layer can be controlled by the digital display touch screen to heat the furnace tube, and the temperature measuring device on the temperature measuring bayonet detects the corresponding temperature and feeds the temperature back to the digital display touch screen, so that the temperature of the whole multi-tube furnace body can be conveniently controlled.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a left side view of the multi-tube furnace body of the present invention;
FIG. 3 is a left side view of the upper baffle of the baffle hole of the present invention;
in the figure: 1. aerosol, 2, a flow guide flange, 3, a flow guide sheet, 4, a tubular furnace frame, 5, a multi-tube furnace body, 6, a multi-tube card inlet, 7, a multi-tube card outlet, 8, a temperature measuring bayonet, 9, a heating hearth, 10, a digital display touch screen, 11 and a heating layer.
Detailed Description
The utility model will be further explained with reference to the drawings.
As shown in fig. 1 and fig. 2, the multi-tube spiral aerosol heating device comprises a tubular furnace frame 4, a multi-tube furnace body 5 and a flow guide device;
the upper part of the tubular furnace frame 4 is provided with a heating hearth 9;
the multi-pipe furnace body 5 is positioned in the heating hearth 9 and comprises a plurality of furnace pipes with horizontal axes, and each furnace pipe is wrapped with a heating layer 11;
the flow guide device is arranged on the tubular furnace frame 4, and the carrier gas forms spiral airflow to be introduced into the corresponding furnace tube.
As shown in fig. 1 and fig. 3, further, the flow guiding device includes a flow guiding flange 2, flow guiding holes correspondingly communicated with the plurality of furnace tubes are formed on the flow guiding flange 2, and a plurality of rectangular flow guiding sheets 3 with inclined angles are rotatably arranged in each flow guiding hole;
the middle parts of the plurality of rectangular guide vanes 3 are mutually overlapped, and the two ends of the plurality of rectangular guide vanes form a blade structure with uniformly arranged circumference.
Furthermore, two ends of the plurality of furnace tubes are respectively welded between the multi-tube clamp outlet 7 and the multi-tube clamp inlet 6;
the multi-pipe clamp outlet 7 and the multi-pipe clamp inlet 6 are respectively sealed and arranged on the heating hearth 9 in a heat preservation way;
the flow guiding device is positioned at one end of the inlet 6 of the multi-pipe clamp.
Furthermore, the number of the furnace tubes is 2-100, and the furnace tubes are uniformly arranged on the circumference;
the pipe diameter of each furnace pipe is 1-30cm and is consistent with the diameter of the diversion hole;
the heating temperature of the heating layer 11 is 50-1400 ℃;
namely, according to the actual use condition, the heating temperature of the heating layer 11 is adjusted from 50 to 1400 ℃, the number of furnace tubes is 2 to 100, the furnace tubes are circumferentially and uniformly arranged, and the tube diameter is controllable according to the actual use condition;
when the number of the furnace tubes is more, the furnace tubes can be uniformly arranged at the outer circumference and then uniformly arranged at the inner circumference;
furthermore, the middle part of the heating hearth 9 is provided with a temperature measuring bayonet 8, the temperature measuring bayonet 8 is wrapped and arranged at the outer side of the multi-tube furnace body 5, and a temperature measuring device which corresponds to the plurality of furnace tubes and measures the internal temperature of the furnace tubes is arranged on the temperature measuring bayonet 8;
further, a digital display touch screen 10 is arranged at the lower part of the tubular furnace frame 4;
the controller in the digital display touch screen 10 is connected with the heating layers 11 and controls corresponding heating temperatures, and the temperature measuring device is connected with the digital display touch screen 10 and displays the temperatures of the corresponding furnace tubes.
Further, a heat insulation material is arranged between the heating hearth 9 and the multi-pipe furnace body 5;
and an air extractor for extracting air from the multi-tube furnace body 5 is arranged at one end of the multi-tube clamp outlet 7 on the tube furnace frame 4.
When the multi-tube spiral aerosol heating device is used, aerosol 1 enters a multi-tube furnace body 5 of a heating furnace 9 from a flow guide device, specifically, the multi-tube spiral aerosol heating device can be connected with an outlet of a centrifugal spray dryer, when a centrifugal machine in the centrifugal spray dryer is started, a transportation carrier gas is provided, and the carrier gas carries powder through the rear end of the centrifugal spray dryer to form carrier gas aerosol 1;
the digital display touch screen 10 on the tubular furnace frame 4 has the functions of control and display, the corresponding heating layer 11 can be controlled by the digital display touch screen 10 to heat the furnace tube, and the temperature measuring device on the temperature measuring bayonet 8 detects the corresponding temperature and feeds the temperature back to the digital display touch screen 10, so that the temperature of the multi-tube furnace body 5 can be conveniently controlled integrally;
the working temperature is adjusted, the carrier gas aerosol 1 firstly passes through the plurality of circular flow deflectors 3 on the flow guide flange 2, and the flow deflectors 3 are provided with the inclined rectangular flow deflectors 3, so that a blade structure formed by the plurality of rectangular flow deflectors 3 rotates to change the direct carrier gas aerosol 1 into spiral airflow and correspondingly enters the plurality of furnace tubes; preferably, the axes of the diversion holes are consistent with the axes of the corresponding furnace tubes, and the diversion flange 2 can be detachably mounted on the tubular furnace frame 4 through bolts;
each furnace tube in the multi-tube furnace body 5 is wrapped and heated by the separate heating layer 11, when the airflow flows in the corresponding furnace tube in a spiral state, the contact area between the carrier gas aerosol 1 and the furnace tube is effectively increased, the reaction is more sufficient, and the carrier gas aerosol 1 after the reaction enters the next collecting device from the multi-tube card outlet 7;
in the device, the multi-tube furnace body 5 comprises a plurality of furnace tubes with horizontal axes, and each furnace tube is wrapped with the heating layer 11 for independent heating, so that under the condition of unchanged production process, the existence of temperature gradient in the pipeline is greatly reduced, and the pipe diameter of each furnace tube is smaller than that of one heating furnace tube which is independently used, so that the heating time is greatly shortened, the space congestion of an experimental site is avoided to a certain extent, and the space occupancy rate is effectively improved;
the above description is only a preferred embodiment of the apparatus and does not have any limitation on the apparatus, for example, the apparatus as a whole may be placed horizontally or vertically, when vertically placed, the upper end is the inlet 6 of the multi-pipe clamp, the lower end is the outlet 7 of the multi-pipe clamp, the usage may be determined by the production process, and the corresponding pipe furnace frame 4 is installed on a horizontally or vertically adjusted base; it should be noted that: any person skilled in the art may make several modifications without departing from the scope of the utility model, and these modifications should also be regarded as the protection scope of the utility model.
Claims (7)
1. The multi-tube spiral aerosol heating device is characterized by comprising a tubular furnace frame (4), a multi-tube furnace body (5) and a flow guide device;
a heating hearth (9) is arranged at the upper part of the tubular furnace frame (4);
the multi-pipe furnace body (5) is positioned in the heating hearth (9) and comprises a plurality of furnace pipes with horizontal axes, and each furnace pipe is wrapped with a heating layer (11);
the flow guide device is arranged on the tubular furnace frame (4) and used for leading the carrier gas into the corresponding furnace tube in a spiral airflow mode.
2. A multi-tube spiral aerosol heating device according to claim 1, wherein the flow guiding device comprises a flow guiding flange (2), flow guiding holes correspondingly communicated with the plurality of furnace tubes are formed in the flow guiding flange (2), and a plurality of rectangular flow guiding sheets (3) with inclined angles are rotatably arranged in each flow guiding hole;
the middle parts of the plurality of rectangular guide vanes (3) are mutually overlapped, and the two ends of the plurality of rectangular guide vanes form a blade structure with uniformly arranged circumference.
3. A multi-tube spiral aerosol heating apparatus according to claim 2, wherein both ends of the plurality of furnace tubes are welded between the multi-tube card outlet (7) and the multi-tube card inlet (6), respectively;
the multi-pipe clamp outlet (7) and the multi-pipe clamp inlet (6) are respectively sealed and arranged on the heating hearth (9) in a heat preservation way;
the flow guiding device is positioned at one end of the inlet (6) of the multi-pipe clamp.
4. The multiple tube spiral aerosol heating apparatus of claim 2 wherein said number of tubes is 2-100 and are circumferentially uniformly arranged;
the pipe diameter of each furnace pipe is 1-30cm and is consistent with the diameter of the diversion hole;
the heating temperature of the heating layer (11) is 50-1400 ℃.
5. A multi-tube spiral aerosol heating device according to any one of claims 2 to 4, wherein a temperature measuring bayonet (8) is arranged in the middle of the heating hearth (9), the temperature measuring bayonet (8) is wrapped on the outer side of the multi-tube furnace body (5), and a temperature measuring device corresponding to a plurality of furnace tubes and used for measuring the internal temperature of the furnace tubes is arranged on the temperature measuring bayonet.
6. A multi-tube spiral aerosol heating apparatus according to claim 5, wherein a digital display touch screen (10) is mounted on the lower portion of the tubular oven frame (4);
the controller in the digital display touch screen (10) is connected with the heating layers (11) and controls corresponding heating temperatures, and the temperature measuring device is connected with the digital display touch screen (10) and displays the temperatures of the corresponding furnace tubes.
7. A multi-tube spiral aerosol heating device according to claim 6, wherein a thermal insulation material is provided between the heating chamber (9) and the multi-tube furnace body (5);
and an air extractor for extracting air from the multi-tube furnace body (5) is arranged at one end of the tube furnace frame (4) and positioned at the multi-tube clamp outlet (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121870813.8U CN215356183U (en) | 2021-08-11 | 2021-08-11 | Multi-tube spiral type aerosol heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121870813.8U CN215356183U (en) | 2021-08-11 | 2021-08-11 | Multi-tube spiral type aerosol heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215356183U true CN215356183U (en) | 2021-12-31 |
Family
ID=79617981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121870813.8U Active CN215356183U (en) | 2021-08-11 | 2021-08-11 | Multi-tube spiral type aerosol heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215356183U (en) |
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2021
- 2021-08-11 CN CN202121870813.8U patent/CN215356183U/en active Active
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