CN221055497U - Vertical high-purity quartz sand chlorination furnace - Google Patents
Vertical high-purity quartz sand chlorination furnace Download PDFInfo
- Publication number
- CN221055497U CN221055497U CN202322784576.9U CN202322784576U CN221055497U CN 221055497 U CN221055497 U CN 221055497U CN 202322784576 U CN202322784576 U CN 202322784576U CN 221055497 U CN221055497 U CN 221055497U
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- China
- Prior art keywords
- glass tube
- quartz glass
- quartz
- chlorination furnace
- vertical high
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 190
- 239000006004 Quartz sand Substances 0.000 title claims abstract description 46
- 238000005660 chlorination reaction Methods 0.000 title claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 239000010453 quartz Substances 0.000 claims abstract description 32
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 5
- 238000000605 extraction Methods 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 13
- 238000004321 preservation Methods 0.000 claims description 9
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 21
- 239000012535 impurity Substances 0.000 abstract description 10
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 8
- 239000000460 chlorine Substances 0.000 abstract description 8
- 229910052801 chlorine Inorganic materials 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010924 continuous production Methods 0.000 abstract description 4
- 239000013078 crystal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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Abstract
The utility model discloses a vertical high-purity quartz sand chlorination furnace, which relates to the technical field of quartz sand processing and comprises the following components: a support frame; the quartz glass tube is fixedly arranged in the support frame, the axis of the quartz glass tube extends along the vertical direction, the upper end of the quartz glass tube is provided with a feed inlet, the lower end of the quartz glass tube is provided with a discharge outlet, and a quartz guide is fixedly arranged in the quartz glass tube; a chlorine gas treatment system comprising a chlorine gas delivery tube in communication with the quartz glass tube; a vacuum extraction system comprising an evacuation tube in communication with the quartz glass tube; a heating system for heating the quartz glass tube; according to the utility model, the quartz glass tube adopts a vertical structure, and the quartz guide device is arranged in the quartz glass tube, so that quartz sand particles entering the quartz glass tube can be uniformly dispersed, and the quartz sand particles are ensured to be fully contacted with chlorine, thereby ensuring the impurity removal effect of the quartz sand particles and realizing continuous production.
Description
Technical Field
The utility model relates to the technical field of quartz sand processing, in particular to a vertical high-purity quartz sand chlorination furnace.
Background
High purity silica sand is the main raw material for producing high purity silica glass tubes/rods and silica glass crucibles. The quartz glass is silica single-component glass, has high hardness which can reach seven levels of modes, and has excellent physical and chemical properties such as high temperature resistance, low expansion coefficient, good thermal shock resistance, corrosion resistance and insulation, high light transmittance and the like.
The raw ore of the high-purity quartz sand is natural quartz ore, and the quartz ore generally contains various impurity minerals besides quartz. Quartz itself often contains certain metallic or non-metallic elemental impurities and fluid impurities due to crystal structure defects or micro-cracks. Most of impurities can be removed by means of flotation, magnetic separation, gravity separation, acid leaching, calcination and the like, but the standard that the requirement of high-purity quartz sand on certain elements is less than 1ppm is difficult to achieve.
The existing quartz sand high-temperature gasification purification device is of a horizontal structure, continuous production cannot be realized, and quartz sand is easy to crack due to phase change and volume expansion of a crystal structure in the heating process.
Disclosure of utility model
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a vertical high-purity quartz sand chlorination furnace.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
a vertical high purity quartz sand chlorination furnace comprising:
A support frame;
the quartz glass tube is fixedly arranged in the support frame, the axis of the quartz glass tube extends along the vertical direction, the upper end of the quartz glass tube is provided with a feed inlet, the lower end of the quartz glass tube is provided with a discharge outlet, a quartz guide is fixedly arranged in the quartz glass tube, the quartz guide is hollow and is in a truncated cone shape with two open ends, the axis of the quartz guide is coincident with the axis of the quartz glass tube, and the lower bottom surface of the quartz guide faces the feed inlet;
A chlorine gas treatment system comprising a chlorine gas delivery tube in communication with the quartz glass tube;
a vacuum extraction system comprising an evacuation tube in communication with the quartz glass tube;
and the heating system is used for heating the quartz glass tube.
As a preferable scheme of the vertical high-purity quartz sand chlorination furnace, the utility model comprises the following steps: the quartz guide devices are arranged in a plurality, and the quartz guide devices are sequentially and equidistantly distributed along the axis direction of the quartz glass tube.
As a preferable scheme of the vertical high-purity quartz sand chlorination furnace, the utility model comprises the following steps: the chlorine gas conveying pipe is connected to the lower end of the quartz glass pipe, and the vacuumizing pipe is connected to the upper end of the quartz glass pipe.
As a preferable scheme of the vertical high-purity quartz sand chlorination furnace, the utility model comprises the following steps: the heating system comprises an insulation box body fixedly installed in the supporting frame, the insulation box body is sleeved on the outer side of the quartz glass tube, and a heating element is fixedly installed on the outer side of the insulation box body.
As a preferable scheme of the vertical high-purity quartz sand chlorination furnace, the utility model comprises the following steps: the heating elements are provided with a plurality of groups, the heating elements of the groups are sequentially distributed at equal intervals along the axial direction of the quartz glass tube, and each group of heating elements comprises a plurality of heating elements which are uniformly distributed at the same height along the circumferential direction of the heat preservation box body.
As a preferable scheme of the vertical high-purity quartz sand chlorination furnace, the utility model comprises the following steps: and a heat preservation and insulation material is filled between the quartz glass tube and the heat preservation box body.
As a preferable scheme of the vertical high-purity quartz sand chlorination furnace, the utility model comprises the following steps: the heat-insulating material is heat-insulating cotton.
The beneficial effects of the utility model are as follows:
(1) According to the utility model, the quartz glass tube adopts a vertical structure, the quartz guide is arranged in the quartz glass tube, quartz sand particles entering the quartz glass tube from the feed inlet can enter the quartz guide, and flow out sequentially from the opening at the lower end of the quartz guide, so that the quartz sand particles entering the quartz glass tube are uniformly dispersed, the quartz sand particles are ensured to be fully contacted with chlorine, the impurity removing effect of the quartz sand particles is ensured, and continuous production is realized.
(2) According to the utility model, the chlorine gas conveying pipe is connected to the lower end of the quartz glass pipe, the vacuumizing pipe is connected to the upper end of the quartz glass pipe, and the inner gas of the quartz glass pipe is outwards pumped out through the vacuumizing pipe to form negative pressure, so that the upward flowing of the chlorine gas entering the bottom of the quartz glass pipe through the chlorine gas conveying pipe can be ensured, the contact time of quartz sand particles and the chlorine gas is ensured, and the impurity removal effect of quartz sand is ensured.
(3) According to the utility model, the heating elements are sequentially and equidistantly distributed along the axis direction of the quartz glass tube, a plurality of heating areas can be formed on the heat insulation box body, and the heating areas are uniformly distributed along the axis of the quartz glass tube, so that quartz sand particles in the quartz glass tube are sufficiently and uniformly heated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a vertical high-purity quartz sand chlorination furnace provided by the utility model;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
Wherein: 1. a support frame; 2. a quartz glass tube; 3. a feed inlet; 4. a discharge port; 5. a quartz guide; 6. a chlorine gas delivery pipe; 7. vacuumizing the tube; 8. a thermal insulation box body; 9. a heating element; 10. and (5) heat preservation cotton.
Detailed Description
In order that the utility model may be more readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
Fig. 1 is a schematic structural diagram of a vertical high-purity quartz sand chlorination furnace provided by an embodiment of the application. The device comprises a support frame 1, a quartz glass tube 2, a chlorine gas treatment system, a vacuum extraction system and a heating system. The chlorine gas treatment system can be used for introducing chlorine gas into the quartz glass tube 2, and the vacuum pumping system can be used for pumping the gas in the quartz glass tube 2 to form negative pressure so as to ensure that quartz sand particles are fully contacted with the chlorine gas. The heating system can heat the quartz glass tube 2 to enable the quartz sand to react with chlorine at high temperature, so that impurity elements in the quartz sand are effectively removed.
Specifically, the quartz glass tube 2 is fixedly installed in the support frame 1, and the axis of the quartz glass tube 2 extends in the vertical direction. A feed inlet 3 is arranged at the upper end of the quartz glass tube 2, and a discharge outlet 4 is arranged at the lower end of the quartz glass tube 2. Quartz sand particles to be treated enter the quartz glass tube 2 from the feed inlet 3, and flow out from the discharge outlet 4 after being treated.
Referring to fig. 1, a plurality of quartz guides 5 are fixedly installed in a quartz glass tube 2. The plurality of quartz guides 5 are sequentially and equidistantly arranged along the axial direction of the quartz glass tube 2. Each quartz guide 5 has a substantially hollow truncated cone shape with both ends open, and the axis of the truncated cone coincides with the axis of the quartz glass tube 2. The lower bottom surface of the circular table faces the feed opening 3 of the quartz glass tube 2, namely, the opening end with larger diameter in the quartz guide 5 faces the feed opening 3, and the opening end with smaller diameter faces the discharge opening 4. The quartz sand particles entering the quartz glass tube 2 from the feed port 3 sequentially enter the quartz guide 5 and sequentially flow out from the opening at the lower end of the quartz guide 5, so that the quartz sand particles entering the quartz glass tube 2 are uniformly dispersed.
The chlorine treatment system comprises a chlorine gas delivery pipe 6, wherein the air inlet end of the chlorine gas delivery pipe 6 is communicated with an external chlorine gas supply end, and the air outlet end of the chlorine gas delivery pipe 6 is connected with the lower end of the quartz glass tube 2. Chlorine gas generated at the external chlorine gas supply end enters the quartz glass tube 2 through the chlorine gas delivery tube 6 and contacts quartz sand particles in the quartz glass tube 2 to react.
The vacuum extraction system comprises an evacuating tube 7, wherein the air inlet end of the evacuating tube 7 is connected with the upper end of the quartz glass tube 2, and the air outlet end of the evacuating tube 7 is connected with an external air pump. When the air pump is operated, the inner gas of the quartz glass tube 2 can be pumped out through the vacuumizing tube 7 to form negative pressure. Thereby, the chlorine entering the bottom of the quartz glass tube 2 through the chlorine delivery tube 6 can flow upwards, and the contact time of quartz sand particles and the chlorine is ensured, so that the impurity removal effect of the quartz sand is ensured.
The heating system comprises an insulation box body 8 fixedly arranged in the support frame 1. The thermal insulation box body 8 is fixedly sleeved on the outer side of the quartz glass tube 2. A plurality of groups of heating elements 9 are fixedly arranged on the outer side of the heat preservation box body 8. With reference to fig. 1, the groups of heating elements 9 are arranged equidistantly in sequence in the axial direction of the quartz glass tube 2. Each group of heating elements 9 comprises a plurality of heating elements 9 which are uniformly distributed at the same height along the circumferential direction of the heat preservation box body 8. After the arrangement, a plurality of heating areas are formed on the heat-insulating box body 8 and are uniformly distributed along the axis of the quartz glass tube 2, so that the quartz sand particles in the quartz glass tube 2 are sufficiently and uniformly heated.
The heating element 9 is a silicon carbide rod, and the silicon carbide rod penetrates through the heat insulation box body 8 and extends into the heat insulation box body 8 to directly heat the quartz glass tube 2.
In this embodiment, the heating system heats the quartz glass tube 2 and the quartz guide 5 therein to about 1300 ℃, thereby ensuring the reaction effect of the quartz sand particles and chlorine gas.
In addition, referring to fig. 2, a heat-insulating material is filled between the quartz glass tube 2 and the heat-insulating box 8, so that the heat-insulating effect can be achieved, and the heat-insulating performance of the quartz glass tube 2 is ensured.
Therefore, the technical scheme of the application adopts a vertical quartz glass tube 2 structure, the quartz glass tube 2 is internally provided with the quartz guide 5, quartz sand particles entering the quartz glass tube 2 from the feed inlet 3 can enter the quartz guide 5 and sequentially flow out from the opening at the lower end of the quartz guide 5, so that the quartz sand particles entering the quartz glass tube 2 are uniformly dispersed, the quartz sand particles are ensured to be fully contacted with chlorine, the impurity removing effect of the quartz sand particles is ensured, and continuous production is realized.
In addition to the above embodiments, the present utility model may have other embodiments; all technical schemes formed by equivalent substitution or equivalent transformation fall within the protection scope of the utility model.
Claims (7)
1. A vertical high-purity quartz sand chlorination furnace is characterized in that: comprising the following steps:
A support (1);
The quartz glass tube (2) is fixedly arranged in the supporting frame (1), the axis of the quartz glass tube (2) extends along the vertical direction, the upper end of the quartz glass tube (2) is provided with a feed inlet (3), the lower end of the quartz glass tube (2) is provided with a discharge outlet (4), the quartz glass tube (2) is internally and fixedly provided with a quartz guide (5), the quartz guide (5) is hollow and is in a round table shape with two open ends, the axis of the quartz guide (5) coincides with the axis of the quartz glass tube (2), and the lower bottom surface of the quartz guide (5) faces the feed inlet (3);
A chlorine gas treatment system comprising a chlorine gas delivery pipe (6) in communication with the quartz glass tube (2);
A vacuum extraction system comprising an evacuation tube (7) communicating with said quartz glass tube (2);
And the heating system is used for heating the quartz glass tube (2).
2. The vertical high purity silica sand chlorination furnace of claim 1, wherein: the quartz guides (5) are arranged in a plurality, and the quartz guides (5) are sequentially distributed at equal intervals along the axis direction of the quartz glass tube (2).
3. The vertical high purity silica sand chlorination furnace of claim 1, wherein: the chlorine gas conveying pipe (6) is connected to the lower end of the quartz glass tube (2), and the vacuumizing pipe (7) is connected to the upper end of the quartz glass tube (2).
4. The vertical high purity silica sand chlorination furnace of claim 1, wherein: the heating system comprises an insulation box body (8) fixedly installed in the supporting frame (1), the insulation box body (8) is sleeved on the outer side of the quartz glass tube (2), and a heating element (9) is fixedly installed on the outer side of the insulation box body (8).
5. The vertical high purity silica sand chlorination furnace of claim 4, wherein: the heating elements (9) are provided with a plurality of groups, the heating elements (9) are sequentially distributed at equal intervals along the axial direction of the quartz glass tube (2), and each group of heating elements (9) comprises a plurality of heating elements (9) which are uniformly distributed at the same height along the circumferential direction of the heat preservation box body (8).
6. The vertical high purity silica sand chlorination furnace of claim 4, wherein: and a heat preservation and insulation material is filled between the quartz glass tube (2) and the heat preservation box body (8).
7. The vertical high purity silica sand chlorination furnace of claim 6, wherein: the heat-insulating material is heat-insulating cotton (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322784576.9U CN221055497U (en) | 2023-10-17 | 2023-10-17 | Vertical high-purity quartz sand chlorination furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322784576.9U CN221055497U (en) | 2023-10-17 | 2023-10-17 | Vertical high-purity quartz sand chlorination furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221055497U true CN221055497U (en) | 2024-05-31 |
Family
ID=91205605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322784576.9U Active CN221055497U (en) | 2023-10-17 | 2023-10-17 | Vertical high-purity quartz sand chlorination furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221055497U (en) |
-
2023
- 2023-10-17 CN CN202322784576.9U patent/CN221055497U/en active Active
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