CN215176975U - Air intake device for heating device - Google Patents
Air intake device for heating device Download PDFInfo
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- CN215176975U CN215176975U CN202120420346.2U CN202120420346U CN215176975U CN 215176975 U CN215176975 U CN 215176975U CN 202120420346 U CN202120420346 U CN 202120420346U CN 215176975 U CN215176975 U CN 215176975U
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Abstract
The application provides an air inlet unit for heating device, it includes: the first air inlet assembly comprises a first air inlet ring pipe, a first air inlet branch pipe and a second air inlet branch pipe, the first air inlet ring pipe surrounds the inner container, the first air inlet branch pipe is communicated with the radial inner side of the material heating area, and the second air inlet branch pipe is communicated with the radial outer side of the material heating area; and the first air outlet assembly comprises a first air outlet ring pipe, a first air outlet branch pipe and a second air outlet branch pipe, the first air outlet ring pipe surrounds the inner container, the first air outlet branch pipe is communicated with the radial inner side of the material heating area, and the second air outlet branch pipe is communicated with the radial outer side of the material heating area. Through adopting above-mentioned technical scheme, let in gas and exhaust gas simultaneously in the radial inboard and the radial outside of material zone of heating, make heating device can heat the material uniformly to realize heating device's maximization.
Description
Technical Field
The present application relates to an air intake device for a heating device.
Background
In a heating device of a deposition furnace, for example, the heating bin can uniformly heat a material pipe arranged between the air duct and the inner container, so that the raw material gas is promoted to rapidly generate deposition reaction in the material pipe, and the heating effect plays an important role in the production efficiency and the product quality of the deposition furnace.
At present, hot air is distributed to a plurality of branch pipes through a ring pipe, and then passes through the inner container through the branch pipes to enter the heating bin from the radial outer side. The hot air uniformly enters gaps among the material pipes along the circumferential direction of the heating bin. The air guide cylinder is arranged in the center of the heating bin and can play a role in guiding airflow to be uniformly distributed along the axial direction and the circumferential direction of the heating bin.
Because hot air can only enter the gap between the material pipe distribution areas from the outer side, when the size of the deposition furnace is increased, after the number of the material pipes arranged along the radial direction of the heating bin is increased, because the flow resistance of the hot air along the radial direction is increased, a larger temperature gradient exists in the radial direction of a temperature field, uniform heating is difficult to realize, and the production efficiency and the product quality of the deposition furnace are influenced.
SUMMERY OF THE UTILITY MODEL
The application aims to provide an air inlet device for a heating device, which can realize uniform heating in a large-scale heating device.
The application provides an air inlet device for a heating device, the heating device comprises a furnace body, the furnace body is provided with a material heating zone, the material heating zone is annular, the outer peripheral surface of the material heating zone is an inner container, the inner peripheral surface of the material heating zone is an air duct,
the air inlet device for the heating device comprises:
the first air inlet assembly comprises a first air inlet ring pipe, a first air inlet branch pipe and a second air inlet branch pipe, the first air inlet ring pipe surrounds the inner container, the first air inlet branch pipe is communicated with the radial inner side of the material heating area, and the second air inlet branch pipe is communicated with the radial outer side of the material heating area; and
the first air outlet assembly comprises a first air outlet ring pipe, a first air outlet branch pipe and a second air outlet branch pipe, the first air outlet ring pipe surrounds the inner container, the first air outlet branch pipe is communicated with the radial inner side of the material heating area, and the second air outlet branch pipe is communicated with the radial outer side of the material heating area.
Preferably, the first air inlet assembly and the first air outlet assembly are used for passing high-temperature gas, and the first air inlet assembly is positioned above the first air outlet assembly.
Preferably, the first intake branch pipes and the second intake branch pipes are alternately arranged in a circumferential direction of the heating device,
the first air outlet branch pipes and the second air outlet branch pipes are alternately arranged in the circumferential direction of the heating device.
Preferably, the air duct is provided with a through hole, and the first air inlet branch pipe and the first air outlet branch pipe extend to the inner space of the air duct, so that the air flow can flow to the radial inner side part of the material heating area through the through hole.
Preferably, the air inlet device for the heating device further comprises a partition board, the partition board divides the inner space of the air guide cylinder into two independent spaces, and the first air inlet assembly and the first air outlet assembly are located on two sides of the partition board.
Preferably, the air intake device for the heating device further comprises:
the second air inlet assembly comprises a second air inlet ring pipe, a third air inlet branch pipe and a fourth air inlet branch pipe, the second air inlet ring pipe surrounds the inner container, the third air inlet branch pipe is communicated with the radial inner side of the material heating area, and the fourth air inlet branch pipe is communicated with the radial outer side of the material heating area; and
and the second gas outlet assembly comprises a second gas outlet ring pipe, a third gas outlet branch pipe and a fourth gas outlet branch pipe, the second gas outlet ring pipe surrounds the inner container, the third gas outlet branch pipe is communicated with the radial inner side of the material heating area, and the fourth gas outlet branch pipe is communicated with the radial outer side of the material heating area.
Preferably, in the axial direction of the air inlet device for the heating device, the second air inlet assembly and the second air outlet assembly are arranged between the first air inlet assembly and the first air outlet assembly.
Preferably, the second air inlet assembly and the second air outlet assembly are used for passing low-temperature gas, and the second air inlet assembly is arranged below the second air outlet assembly.
Preferably, the second air inlet assembly and the second air outlet assembly are located at both sides of the separator.
Preferably, the third intake branch pipes and the fourth intake branch pipes are alternately arranged in a circumferential direction of the heating device,
the third outlet branch pipes and the fourth outlet branch pipes are alternately arranged in the circumferential direction of the heating device.
Through adopting above-mentioned technical scheme, let in gas and exhaust gas radially inboard and the radial outside in the material zone of heating, make heating device can heat the material uniformly to realize heating device's maximization.
Drawings
Fig. 1 shows a cross-sectional view of a heating device according to an embodiment of the present application.
Fig. 2 shows a cross-sectional view along the line M-M in fig. 1.
Fig. 3 shows a cross-sectional view along the line N-N in fig. 1.
Fig. 4 shows a cross-sectional view along the line P-P in fig. 1.
Fig. 5 shows a cross-sectional view along the line Q-Q in fig. 1.
Description of the reference numerals
1 outer casing and 2 inner container
3 air duct 31 through hole
4 partition board
5 first intake assembly 51 first intake collar 52 first intake manifold 53 first intake manifold
6 first outlet assembly 61 first outlet collar 62 first outlet branch 63 second outlet branch
7 second intake assembly 71 second intake collar 72 third intake manifold 73 fourth intake manifold 73
8 second outlet assembly 81, second outlet collar 82, third outlet manifold 83, fourth outlet manifold
100 material heating zone
The A axis R is radial to the C circumferential direction.
Detailed Description
In order to more clearly illustrate the above objects, features and advantages of the present application, a detailed description of the present application is provided in this section in conjunction with the accompanying drawings. This application is capable of embodiments in addition to those described herein, and is intended to cover such departures from the present disclosure as come within known or customary practice in the art to which this application pertains and which fall within the limits of the appended claims. The protection scope of the present application shall be subject to the claims.
In the following description, if not separately stated, the axial direction a refers to the axial direction of the deposition furnace, the radial direction R refers to the radial direction of the deposition furnace, and the circumferential direction C refers to the circumferential direction of the deposition furnace.
As shown in fig. 1 to 5, the present application provides a heating device, such as a deposition furnace, the deposition furnace includes a furnace body and an air intake device, the furnace body includes a casing 1, an inner container 2 and an air duct 3, the air intake device includes a partition plate 4, a first air intake assembly 5, a first air outlet assembly 6, a second air intake assembly 7 and a second air outlet assembly 8.
The shell 1, the inner container 2 and the air duct 3 are all cylindrical, the inner container 2 is sleeved on the shell 1, and the air duct 3 is sleeved on the inner container 2. In the radial direction R of the deposition furnace, the inner container 2 and the air duct 3 are spaced apart to form a material heating zone 100. In the material heating zone 100, material pipes can be arranged, into which solid material and circulating gas material can be filled, which can be heated by the heating chamber of the deposition furnace.
The side wall of the air duct 3 is uniformly provided with a plurality of through holes 31, and the inner space of the air duct 3 can be communicated with the material heating area 100 through the through holes 31. The air guide cylinder 3 can guide the airflow entering the material heating area 100 to flow along the axial direction a and the circumferential direction C, so that the entering air is uniformly distributed (the airflow here is mainly the airflow entering the material heating area 100 from the radial outer side or the airflow discharging the material heating area 100 from the radial outer side), and the air can pass through the air guide cylinder 3 through the through hole 31.
As shown in fig. 1, the baffle plate 4 may be connected to the air guide duct 3 to divide the inside of the air guide duct 3 into two independent spaces in the axial direction a of the deposition furnace. The partition plate 4 can prevent the airflow entering the inner space of the air duct 3 from flowing along the axial direction a of the air duct 3, but enters the material heating area 100 through the through hole 31 and flows along the axial direction a of the deposition furnace in the material heating area 100.
(first air intake component)
As shown in fig. 1 and 2, the first intake assembly 5 includes a first intake collar 51, a first intake manifold 52, and a second intake manifold 53. The first air intake assembly 5 is located at one side, e.g., an upper side, of the partition plate 4.
The first inlet loop 51 may have a circular shape, the first inlet loop 51 surrounds the housing 1, and the first inlet branch 52 and the second inlet branch 53 are connected to the first inlet loop 51. The first and second branch intake pipes 52, 53 are different in length, for example, the first branch intake pipe 52 is longer than the second branch intake pipe 53.
The first and second air intake branch pipes 52 and 53 extend radially inward from the first air intake collar 51 through the casing 1 and the liner 2. The first branch intake pipe 52 extends to the air guiding duct 3, so that the first intake collar 51 communicates with the inner space of the air guiding duct 3. The second inlet manifold 53 extends to the material heating zone 100 such that the first inlet loop 51 communicates with the material heating zone 100.
The first and second branch intake pipes 52 and 53 are each provided in plurality in the circumferential direction of the first intake collar 51. The first air inlet branch pipes 52 and the second air inlet branch pipes 53 are uniformly and alternately arranged in the circumferential direction C, so that the air flow entering the material heating area 100 through the second air inlet branch pipes 53 can uniformly enter in the circumferential direction C of the material heating area 100, and the material pipes of the material heating area 100 can be uniformly heated.
(first air outlet component)
As shown in fig. 1 and 3, the first outlet assembly 6 includes a first outlet ring pipe 61, a first outlet branch pipe 62, and a second outlet branch pipe 63. The first air outlet member 6 is located at the other side, e.g., the lower side, of the partition plate 4.
The first outlet ring pipe 51 may be circular, the first outlet ring pipe 61 surrounds the housing 1, and the first outlet branch pipe 62 and the second outlet branch pipe 63 are connected to the first outlet ring pipe 61. The lengths of first outlet branch pipe 62 and second outlet branch pipe 63 are different, for example, the length of first outlet branch pipe 62 is greater than the length of second outlet branch pipe 63.
The first outlet pipe 62 and the second outlet pipe 63 extend radially inward from the first outlet collar 61 through the housing 1 and the liner 2. The first outlet branch pipe 62 extends to the air duct 3, and the first outlet ring pipe 61 is communicated with the inner space of the air duct 3 through the first outlet branch pipe 62. The second outlet branch pipe 63 extends to the material heating area 100, and the first outlet loop 61 is communicated with the material heating area 100 through the second outlet branch pipe 63.
The first outlet branch pipe 62 and the second outlet branch pipe 63 are each provided in plurality in the circumferential direction of the first outlet ring pipe 61. The first outlet branch pipes 62 and the second outlet branch pipes 63 are arranged alternately and uniformly in the circumferential direction C.
The first air inlet assembly 5 and the first air outlet assembly 6 are used for circulating high-temperature gas of the heating material pipe, and the temperature of the high-temperature gas can be higher than the room temperature. The first air inlet assembly 5 is used for introducing high-temperature gas so as to heat a material pipe arranged in the material heating area 100, and the first air outlet assembly 6 is used for discharging the high-temperature gas cooled after the material pipe is heated. The first air inlet assembly 5 is arranged above the first air outlet assembly 6, so that high-temperature gas flows from top to bottom in the axial direction A, the high-temperature gas can spontaneously descend after being cooled, and heated gas materials can spontaneously ascend, so that the material pipe can be sufficiently heated.
When the material pipe of the material heating area 100 is heated, high-temperature gas is introduced into the first air inlet ring pipe 51, part of the high-temperature gas enters the air guide cylinder 3 through the first air inlet branch pipe 52, and enters the material heating area 100 from the radial inner side to the radial outer side through the through hole 31, and the other part of the high-temperature gas enters the material heating area 100 from the radial outer side to the radial inner side through the second air inlet branch pipe 53. The two gas flows complement each other, so that the high-temperature gas can be uniformly distributed in the radial direction R of the material heating zone 100. The air intake device can meet the requirement of a large-scale deposition furnace, and improves the production efficiency and the product quality. And the air intake device can also improve the effective utilization rate of heat energy, reduce the loss of the heat energy in a pipeline, and is energy-saving and environment-friendly.
The air inlet device can also be used for reforming the existing deposition furnace, and particularly, the original air guide cylinder is replaced by the air guide cylinder with smaller radial size, so that the radial size of the material heating area is increased, more material pipes can be contained in the material heating area, and the productivity can be improved.
(second air intake component)
As shown in fig. 1 and 4, the second air intake assembly 7 includes a second air intake grommet 71, a third air intake branch 72, and a fourth air intake branch 73. The second air inlet assembly 7 is located on the other side, e.g. the lower side, of the partition 4.
The second inlet loop 71 may be circular, the second inlet loop 71 surrounds the housing 1, and the third inlet branch 72 and the fourth inlet branch 73 are connected to the second inlet loop 71. The third intake branch 72 and the fourth intake branch 73 have different lengths, for example, the length of the third intake branch 72 is greater than the length of the fourth intake branch 73.
The third and fourth air intake branch pipes 72 and 73 extend radially inward from the second air intake collar 71 through the casing 1 and the liner 2. The third branch air intake pipe 72 extends to the air guide duct 3, and the second air intake collar 71 communicates with the internal space of the air guide duct 3 through the third branch air intake pipe 72. The fourth branch air inlet pipe 73 extends to the material heating zone 100, and the second air inlet loop 71 is communicated with the material heating zone 100 through the fourth branch air inlet pipe 73.
The third and fourth intake branch pipes 72 and 73 are each provided in plurality in the circumferential direction of the second intake collar 71. The third air inlet branch pipes 72 and the fourth air inlet branch pipes 73 are arranged alternately in the circumferential direction C, so that the air flow entering the material heating area 100 through the fourth air inlet branch pipes 73 can enter the material heating area 100 uniformly in the circumferential direction C, and the material pipes of the material heating area 100 can be cooled uniformly.
(second air outlet component)
As shown in fig. 1 and 5, the second outlet assembly 8 includes a second outlet loop 81, a third outlet branch 82 and a fourth outlet branch 83. The second outlet member 8 is located at one side, e.g., an upper side, of the partition plate 4.
The second outlet ring 81 may be circular, the second outlet ring 81 surrounds the housing 1, and the third outlet branch 82 and the fourth outlet branch 83 are connected to the second outlet ring 81. The third and fourth outlet legs 82 and 83 have different lengths, for example, the length of the third outlet leg 82 is greater than the length of the fourth outlet leg 83.
The third and fourth outlet branch pipes 82 and 83 extend radially inward from the second outlet ring pipe 81 through the housing 1 and the liner 2. The third outlet branch pipe 82 extends to the air guide duct 3, and the second outlet ring pipe 81 is communicated with the inner space of the air guide duct 3 through the third outlet branch pipe 82. The fourth outlet pipe 83 extends to the material heating zone 100, and the second outlet ring pipe 81 is connected to the material heating zone 100 through the fourth outlet pipe 83.
The third outlet branch pipe 82 and the fourth outlet branch pipe 83 are each provided in plurality in the circumferential direction of the second outlet ring pipe 81. The third outlet branch pipes 82 and the fourth outlet branch pipes 83 are arranged alternately and uniformly in the circumferential direction C.
The second gas inlet assembly 7 and the second gas outlet assembly 8 are used for circulating low-temperature gas for cooling the material pipe, and the temperature of the low-temperature gas is lower than that of high-temperature gas, for example, the temperature of the low-temperature gas can be lower than room temperature. The second gas inlet assembly 7 is used for introducing low-temperature gas to cool the material pipe disposed in the material heating area 100, so as to take out solid materials (or deposition products) in the material pipe. The second gas outlet assembly 8 is used for discharging low-temperature gas after the material cooling pipe. The second air inlet assembly 7 is arranged below the second air outlet assembly 8, so that the low-temperature gas flows from bottom to top in the axial direction A, the low-temperature gas can spontaneously rise after being heated, and the cooled gas material can spontaneously fall, so that the material pipe can be sufficiently cooled.
In the axial direction a of the deposition furnace, a second gas inlet module 7 and a second gas outlet module 8 may be disposed between the first gas inlet module 5 and the first gas outlet module 6.
Although the deposition furnace is exemplified in the above embodiments, the air intake device proposed in the present application may be used in other heating devices.
It will be appreciated that the air intake device of the present application, although used in a heating device such as a deposition furnace, is not only used for heating, but also for cooling, for example, when the solid material (or deposition product) in the material pipe needs to be taken out after heating. Since the main purpose of the deposition furnace is heating, it is called a heating device.
In a possible embodiment, the first branch air inlet pipe 52 and the first branch air inlet pipe 53 may also be combined into one branch pipe, and a pipe orifice communicating with the inner space of the air duct 3, a pipe orifice communicating with the material heating area 100, and an adjusting valve are disposed on one branch pipe, and the opening degrees of the two pipe orifices may be adjusted by the adjusting valve. By merging two branch pipes, the number of branch pipe orifices can be increased, for example, doubled in the circumferential direction C under the condition that the total number of the branch pipes is not changed, so that the airflow can enter and exit more uniformly along the circumferential direction C.
Similarly, the first outlet branch pipe 62 and the second outlet branch pipe 63 may be combined into one branch pipe, the third inlet branch pipe 72 and the fourth inlet branch pipe 73 may be combined into one branch pipe, and the third outlet branch pipe 82 and the fourth outlet branch pipe 83 may be combined into one branch pipe.
In a possible embodiment, only the first air inlet assembly and the first air outlet assembly may be provided, while the second air inlet assembly and the second air outlet assembly are omitted. The first inlet loop and the first outlet loop may be provided with a hot and cold gas pipeline and a switching valve, respectively. When heating, hot air flows in from the first air inlet assembly and is exhausted from the first air outlet assembly; when cooling, through the change-over valve, make the cold air current let in from first subassembly of giving vent to anger, from first subassembly of admitting air discharge, can save one set of subassembly and the subassembly of giving vent to anger like this.
While the present application has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art that the present application is not limited to the embodiments described in the present specification. The present application can be modified and implemented as a modified embodiment without departing from the spirit and scope of the present application defined by the claims. Therefore, the description in this specification is for illustrative purposes and does not have any limiting meaning for the present application.
Claims (10)
1. An air intake device for a heating device, the heating device comprises a furnace body, the furnace body is provided with a material heating zone, the material heating zone is annular, the outer peripheral surface of the material heating zone is an inner container, the inner peripheral surface of the material heating zone is an air duct, the air intake device is characterized in that,
the air inlet device for the heating device comprises:
the first air inlet assembly comprises a first air inlet ring pipe, a first air inlet branch pipe and a second air inlet branch pipe, the first air inlet ring pipe surrounds the inner container, the first air inlet branch pipe is communicated with the radial inner side of the material heating area, and the second air inlet branch pipe is communicated with the radial outer side of the material heating area; and
the first air outlet assembly comprises a first air outlet ring pipe, a first air outlet branch pipe and a second air outlet branch pipe, the first air outlet ring pipe surrounds the inner container, the first air outlet branch pipe is communicated with the radial inner side of the material heating area, and the second air outlet branch pipe is communicated with the radial outer side of the material heating area.
2. The air intake device for a heating device of claim 1, wherein the first air intake component and the first air outlet component are used for passing high temperature gas, and the first air intake component is located above the first air outlet component.
3. The air intake apparatus for a heating apparatus as claimed in claim 1,
the first intake branch pipes and the second intake branch pipes are alternately arranged in the circumferential direction of the heating device,
the first air outlet branch pipes and the second air outlet branch pipes are alternately arranged in the circumferential direction of the heating device.
4. The air intake device for a heating device of claim 1, wherein the air duct is provided with a through hole, and the first air intake branch pipe and the first air outlet branch pipe extend to an inner space of the air duct, so that an air flow can flow to a radially inner side portion of the material heating area through the through hole.
5. The air intake device for a heating device of claim 1, further comprising a partition plate, wherein the partition plate divides the inner space of the air guide duct into two independent spaces, and the first air intake assembly and the first air outlet assembly are located on two sides of the partition plate.
6. The intake assembly for a heating unit as claimed in claim 5, further comprising:
the second air inlet assembly comprises a second air inlet ring pipe, a third air inlet branch pipe and a fourth air inlet branch pipe, the second air inlet ring pipe surrounds the inner container, the third air inlet branch pipe is communicated with the radial inner side of the material heating area, and the fourth air inlet branch pipe is communicated with the radial outer side of the material heating area; and
and the second gas outlet assembly comprises a second gas outlet ring pipe, a third gas outlet branch pipe and a fourth gas outlet branch pipe, the second gas outlet ring pipe surrounds the inner container, the third gas outlet branch pipe is communicated with the radial inner side of the material heating area, and the fourth gas outlet branch pipe is communicated with the radial outer side of the material heating area.
7. The air intake apparatus for a heating apparatus of claim 6, wherein the second air intake component and the second air outlet component are disposed between the first air intake component and the first air outlet component in an axial direction of the air intake apparatus for a heating apparatus.
8. The air intake device for a heating device of claim 6, wherein the second air intake component and the second air outlet component are used for passing low-temperature gas, and the second air intake component is arranged below the second air outlet component.
9. The intake assembly of claim 6, wherein the second intake assembly and the second exhaust assembly are positioned on opposite sides of the partition.
10. The air intake apparatus for a heating apparatus as claimed in claim 6,
the third air inlet branch pipes and the fourth air inlet branch pipes are alternately arranged in the circumferential direction of the heating device,
the third outlet branch pipes and the fourth outlet branch pipes are alternately arranged in the circumferential direction of the heating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120420346.2U CN215176975U (en) | 2021-02-25 | 2021-02-25 | Air intake device for heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120420346.2U CN215176975U (en) | 2021-02-25 | 2021-02-25 | Air intake device for heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215176975U true CN215176975U (en) | 2021-12-14 |
Family
ID=79412506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120420346.2U Active CN215176975U (en) | 2021-02-25 | 2021-02-25 | Air intake device for heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215176975U (en) |
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2021
- 2021-02-25 CN CN202120420346.2U patent/CN215176975U/en active Active
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