CN204608208U - The gas delivery system of flame melt method jewel sintering machine - Google Patents
The gas delivery system of flame melt method jewel sintering machine Download PDFInfo
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- CN204608208U CN204608208U CN201520040900.9U CN201520040900U CN204608208U CN 204608208 U CN204608208 U CN 204608208U CN 201520040900 U CN201520040900 U CN 201520040900U CN 204608208 U CN204608208 U CN 204608208U
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Abstract
The utility model discloses a kind of gas delivery system of flame melt method jewel sintering machine, comprise and coaxially arrange and lead to material guiding pipe and the hydrogen pipe of same chamber, material guiding pipe is positioned at inside hydrogen pipe and its end is provided with a nozzle, in the interlayer of material guiding pipe and hydrogen pipe, close-fitting has flow guiding casing tube, interlayer is divided into some volution flow-guiding channels for hydrogen rotational flow by flow guiding casing tube, hydrogen pipe is formed with the hydrogen inlet be communicated with volution flow-guiding channel.Combustion chambers burn is entered compared to traditional flame melt method jewel sintering machine hydrogen is parallel with oxygen flow, system of the present utility model makes hydrogen have higher flow velocity at nozzle place, with the oxygen flow carrying powder at a certain angle crossing mix after enter combustion chamber and form oxyhydrogen flame, the mixing of hydrogen and oxygen is more even, directly enhance the utilization ratio of oxygen, increase flame temperature, more abundant to the preheating of powder, save energy and advantageously in crystallization, has very strong practicality.
Description
Technical field
The utility model discloses a kind of gas delivery system of flame melt method jewel sintering machine, belong to jewel sintering technology field.
Background technology
Flame melt method is the method for for growing single crystals from melt, synthesizer is made up of with growing system four major part feeder system, gas delivery system, firing system: the material guiding pipe 2 ' entering gas delivery system after powder stock enters feeder system together with oxygen, hydrogen is entered by the outer field hydrogen pipe 1 ' of material guiding pipe 2 ', at the nozzle 3 ' place of end, hydrogen enters combustion chamber 4 ' with the oxygen mix of carrying powder, burning produces high temperature, dusty raw materials is melted after by high temperature oxyhydrogen flame, and molten drop drops on crystal seed and solidifies growth formation crystal gradually.
In traditional flame melt method jewel synthesizer, as shown in Figure 1, material guiding pipe 2 ' is coaxially placed in hydrogen pipe 1 ', and hydrogen gas stream coflow parallel with the oxygen flow carrying powder also converges at nozzle 3 ' afterfire and produce high temperature.Due to hydrogen and oxygen flow split flow, therefore mix uneven, mixed effect is undesirable, has had a strong impact on gas effciency and temperature of combustion, and the powder that oxygen carries also cannot obtain abundant preheating, is unfavorable for crystallization, therefore needs to improve this.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide one that oxygen can be made to mix with hydrogen more evenly and then improves oxygen utilization rate, raises flame temperature, advantageously in the gas delivery system of the flame melt method jewel sintering machine of crystallization while save energy.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
The gas delivery system of flame melt method jewel sintering machine, comprise and coaxially arrange and lead to material guiding pipe and the hydrogen pipe of same chamber, described material guiding pipe is positioned at inside hydrogen pipe and its end is provided with a nozzle, in the interlayer of material guiding pipe and hydrogen pipe, close-fitting has flow guiding casing tube, interlayer is divided into some volution flow-guiding channels for hydrogen rotational flow by described flow guiding casing tube, described hydrogen pipe is formed with the hydrogen inlet be communicated with volution flow-guiding channel.Compared with conventional art, hydrogen inlet pressure is certain, and flow-guiding channel cross section reduces, and velocity potential must increase, the hydrogen at nozzle place with high flow velocities and the oxygen flow carrying powder are mixed into combustion chamber with certain angle of intersection and form oxyhydrogen flame, and gas and vapor permeation is more even.
Particularly, preceding guide sleeve pipe is circle ring column, the outer wall of flow guiding casing tube and the inwall close-fitting of hydrogen pipe, the inwall of flow guiding casing tube and the outer wall close-fitting of material guiding pipe.
Preferably, said spiral shape flow-guiding channel is the some spiral slots be formed on flow guiding casing tube outer wall, and the hand of spiral is left-handed or dextrorotation.
Particularly, said spiral groove is 1-4 wire casing, the slot pitch between adjacent wire casing within 2mm, to improve space availability ratio.
Particularly, the cross-sectional shape of said spiral groove is rectangle.
Further, the lead angle of said spiral groove is less than 60 °.
Further, said spiral groove to be lead angle the be two-wire groove of 15 °.
Conveniently process, the gas delivery system of flame melt method jewel sintering machine of the present utility model is made up of metallic copper, and the alloyed metal also can processed by other Cutting free is made.
Usefulness of the present utility model is: the gas delivery system simple and ingenious structure of flame melt method jewel sintering machine of the present utility model, compare that traditional flame melt method jewel sintering machine hydrogen is parallel with oxygen flow enters combustion chamber, native system makes hydrogen have higher flow velocity at nozzle place, with the oxygen flow carrying powder at a certain angle crossing mix after enter combustion chamber and form oxyhydrogen flame, the mixing of hydrogen and oxygen is more even, directly enhance the utilization ratio of oxygen, increase flame temperature, more abundant to the preheating of powder, save energy and advantageously in crystallization, there is very strong practicality.
Accompanying drawing explanation
Fig. 1 is the sectional view of the gas delivery system of flame melt method jewel sintering machine of the prior art;
Fig. 2 is the sectional view of a preferred embodiment of the gas delivery system of flame melt method jewel sintering machine of the present utility model;
Fig. 3 is the sectional view of middle flow guiding casing tube embodiment illustrated in fig. 2.
The implication of Reference numeral in figure: 1, material guiding pipe, 2, hydrogen pipe, 3, combustion chamber, 4, nozzle, 5, flow guiding casing tube, 6, volution flow-guiding channel, 7, hydrogen inlet.
Embodiment
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the utility model.
See Fig. 2, the alloyed metal that the gas delivery system of flame melt method jewel sintering machine of the present utility model is processed by metallic copper or other Cutting free is made, and mainly comprises material guiding pipe 1 and hydrogen pipe 2, both leads to combustion chamber 3.Wherein, material guiding pipe 1 passes through for the oxygen carrying powder, coaxially arrange with hydrogen pipe 2, material guiding pipe 1 is positioned at inside hydrogen pipe 2 and in end and is provided with a nozzle 4, the oxygen carrying powder mixes combining combustion with the hydrogen transported from hydrogen pipe 2 at nozzle 4 place, dusty raw materials is being melted by during high temperature oxyhydrogen flame, and molten drop drops to and crystal seed solidifies growth gradually forms crystal.
Uneven in order to solve hydrogen and oxygen mix in prior art, oxygen utilization rate is low, the problems such as crystallization effect is bad, as shown in Figure 2, in material guiding pipe 1 with the interlayer of hydrogen pipe 2, close-fitting has flow guiding casing tube 5, flow guiding casing tube 5 is circle ring column, so-called " close-fitting ", namely the inwall of flow guiding casing tube 5 coordinates with the outer wall of material guiding pipe 1 and can not produce relatively sliding, the outer wall of flow guiding casing tube 5 coordinates with the inwall of hydrogen pipe 2 and can not produce relatively sliding, so, interlayer is divided into some volution flow-guiding channels 6 by flow guiding casing tube 5, for hydrogen rotational flow, correspondingly, hydrogen pipe 2 is formed the hydrogen inlet 7 be communicated with volution flow-guiding channel 6.Hydrogen enters in volution flow-guiding channel 6 from hydrogen inlet 7, intake pressure is constant, compared with gas delivery system of the prior art shown in Fig. 1, the cross section of the flow passage of hydrogen reduces, flow velocity must increase, the hydrogen at nozzle 4 place with high flow velocities and the oxygen flow carrying powder are also crossing at a certain angle at a high speed to be mixed, and can make mixing more evenly fully, thus optimize sintering effect.
Specific in the present embodiment, as shown in Figure 3, volution flow-guiding channel 6 is the spiral two-wire groove of 15 ° for the lead angle be formed on flow guiding casing tube 5 outer wall, namely has two flow-guiding channel hydrogen supply gas rotational flows, the hand of spiral is left-handed or dextrorotation, and cross-sectional shape is rectangle.Certainly, spiral slot is not limited only to two-wire groove, 1-4 wire casing also can, the slot pitch between adjacent wire casing within 2mm, to improve space availability ratio; Lead angle is preferably less than 60 °, can arrange flexibly according to the actual requirements.
In order to understand the utility model better, the working process of this gas delivery system is briefly set forth, composition graphs 2 and Fig. 3, the oxygen carrying powder flows to combustion chamber 3 from material guiding pipe 1, simultaneously, hydrogen to enter in volution flow-guiding channel 6 rotational flow to combustion chamber 3 from hydrogen inlet 7, at nozzle 4 place, the hydrogen with high flow velocities forms oxyhydrogen flame with the oxygen flow carrying powder (alumina powder) with the crossing combustion chamber 3 that is mixed into, 75 ° of angles, burning produces high temperature, alumina powder is melted after by high temperature oxyhydrogen flame, molten drop drops on crystal seed and solidifies growth formation alumina monocrystal gradually.Utilize gas delivery system of the present utility model orientation sintering after 3 hours, the long 138mm of ruby crystal of synthesis, heavy 131g, crystallization effect is better.
To sum up, gas delivery system of the present utility model can make gas and vapor permeation more even, directly enhances oxygen utilization rate, increases flame temperature, more abundant to powder preheating, not only save energy, and is beneficial to crystallization, has extremely strong practicality.
More than show and describe ultimate principle of the present utility model, principal character and advantage.The technician of the industry should understand, and above-described embodiment does not limit the utility model in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection domain of the present utility model.
Claims (8)
1. the gas delivery system of flame melt method jewel sintering machine, comprise and coaxially arrange and lead to material guiding pipe and the hydrogen pipe of same chamber, described material guiding pipe is positioned at inside hydrogen pipe and its end is provided with a nozzle, it is characterized in that, in the interlayer of material guiding pipe and hydrogen pipe, close-fitting has flow guiding casing tube, interlayer is divided into some volution flow-guiding channels for hydrogen rotational flow by described flow guiding casing tube, described hydrogen pipe is formed with the hydrogen inlet be communicated with volution flow-guiding channel.
2. the gas delivery system of flame melt method jewel sintering machine according to claim 1, is characterized in that, described flow guiding casing tube is circle ring column, the outer wall of flow guiding casing tube and the inwall close-fitting of hydrogen pipe, the inwall of flow guiding casing tube and the outer wall close-fitting of material guiding pipe.
3. the gas delivery system of flame melt method jewel sintering machine according to claim 2, is characterized in that, described volution flow-guiding channel is the some spiral slots be formed on flow guiding casing tube outer wall.
4. the gas delivery system of flame melt method jewel sintering machine according to claim 3, is characterized in that, described spiral slot is 1-4 wire casing, and the slot pitch between adjacent wire casing is within 2mm.
5. the gas delivery system of flame melt method jewel sintering machine according to claim 3, is characterized in that, described spiral fluted cross-sectional shape is rectangle.
6. the gas delivery system of flame melt method jewel sintering machine according to claim 3, is characterized in that, described spiral fluted lead angle is less than 60 °.
7. the gas delivery system of flame melt method jewel sintering machine according to claim 6, is characterized in that, described spiral slot to be lead angle the be two-wire groove of 15 °.
8. the gas delivery system of flame melt method jewel sintering machine according to claim 6, it is characterized in that, device is made up of metallic copper.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520040900.9U CN204608208U (en) | 2015-01-21 | 2015-01-21 | The gas delivery system of flame melt method jewel sintering machine |
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| CN201520040900.9U CN204608208U (en) | 2015-01-21 | 2015-01-21 | The gas delivery system of flame melt method jewel sintering machine |
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| CN204608208U true CN204608208U (en) | 2015-09-02 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105586631A (en) * | 2016-02-03 | 2016-05-18 | 中国电子科技集团公司第十六研究所 | Oxygen extension device for flame-fusion-process sapphire sintering machine and oxygen extension method of oxygen extension device |
| CN107436096A (en) * | 2017-08-04 | 2017-12-05 | 开封中新洁能科技有限公司 | Energy-conservation oxygen system for agglomerating plant |
| CN110592670A (en) * | 2018-06-12 | 2019-12-20 | 北京圣才肌珠文化发展有限公司 | Bone ash gem production equipment |
| CN116626263A (en) * | 2023-07-20 | 2023-08-22 | 合肥工业大学智能制造技术研究院 | Heterogeneous hydrogen cloud explosion double-flame testing system and method |
-
2015
- 2015-01-21 CN CN201520040900.9U patent/CN204608208U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105586631A (en) * | 2016-02-03 | 2016-05-18 | 中国电子科技集团公司第十六研究所 | Oxygen extension device for flame-fusion-process sapphire sintering machine and oxygen extension method of oxygen extension device |
| CN105586631B (en) * | 2016-02-03 | 2018-03-20 | 中国电子科技集团公司第十六研究所 | The expansion oxygen device and its expansion oxygen method of a kind of flame melt method sapphire sintering machine |
| CN107436096A (en) * | 2017-08-04 | 2017-12-05 | 开封中新洁能科技有限公司 | Energy-conservation oxygen system for agglomerating plant |
| CN110592670A (en) * | 2018-06-12 | 2019-12-20 | 北京圣才肌珠文化发展有限公司 | Bone ash gem production equipment |
| CN116626263A (en) * | 2023-07-20 | 2023-08-22 | 合肥工业大学智能制造技术研究院 | Heterogeneous hydrogen cloud explosion double-flame testing system and method |
| CN116626263B (en) * | 2023-07-20 | 2023-09-29 | 合肥工业大学智能制造技术研究院 | Heterogeneous hydrogen cloud explosion double-flame testing system and method |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20180809 Address after: 310012 1802, room 1, Changdi Torch Hotel, 259 Xihu District Wensanlu Road, Hangzhou, Zhejiang Patentee after: HANGZHOU ZHONGYI TECHNOLOGY CO., LTD. Address before: No. 85, river sea middle road, Xinbei District, Changzhou, Jiangsu Patentee before: CHANGZHOU YANJING TECHNOLOGY CO., LTD. |
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| TR01 | Transfer of patent right |