CN220183067U - Graphite electrode oxygen supplementing and dust removing device in quartz crucible melting process - Google Patents
Graphite electrode oxygen supplementing and dust removing device in quartz crucible melting process Download PDFInfo
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- CN220183067U CN220183067U CN202321206724.2U CN202321206724U CN220183067U CN 220183067 U CN220183067 U CN 220183067U CN 202321206724 U CN202321206724 U CN 202321206724U CN 220183067 U CN220183067 U CN 220183067U
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- China
- Prior art keywords
- pipeline
- dust removing
- oxygen supplementing
- air
- graphite electrode
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- 239000000428 dust Substances 0.000 title claims abstract description 54
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000001301 oxygen Substances 0.000 title claims abstract description 43
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 43
- 230000001502 supplementing effect Effects 0.000 title claims abstract description 42
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 38
- 239000010439 graphite Substances 0.000 title claims abstract description 38
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000010453 quartz Substances 0.000 title claims abstract description 21
- 238000010309 melting process Methods 0.000 title claims abstract description 16
- 238000007664 blowing Methods 0.000 claims abstract description 25
- 238000002844 melting Methods 0.000 claims abstract description 11
- 230000008018 melting Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 239000000498 cooling water Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 6
- 239000006004 Quartz sand Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000003039 volatile agent Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
The utility model discloses a graphite electrode oxygen supplementing and dust removing device in the process of melting a quartz crucible, which comprises a compressed air source, a stable oxygen supplementing pipeline, a dust removing pipeline and an air blowing pipe, wherein the compressed air source is connected with the compressed air source; the compressed air source is respectively communicated with the stable oxygen supplementing pipeline and the air inlet of the dust removing pipeline, and flow regulating valves are arranged at the air inlets of the stable oxygen supplementing pipeline and the dust removing pipeline; a dust-removing gas inlet is formed in the pipe wall, close to the gas outlet, of the stable oxygen supplementing pipeline, the gas outlet of the dust-removing pipeline is communicated with the dust-removing gas inlet, and the gas outlet of the stable oxygen supplementing pipeline is communicated with the gas inlet of the gas blowing pipe. The advantages are that: 1. the graphite electrode is provided with a double pipeline of an oxygen supplementing pipeline and a dust removing pipeline in the melting process of the quartz crucible, so that the problems that the current is disturbed by excessive air flow, the electrode consumption is excessive and the dust removing effect cannot be achieved due to insufficient air flow are effectively solved; 2. in the process of dedusting the graphite electrode, the impact force of the gas is enhanced by utilizing the shrinkage force of the air bag, so that the dedusting effect is better.
Description
Technical field:
the utility model relates to the technical field of quartz crucible melting equipment, in particular to a graphite electrode oxygen supplementing and dust removing device in the quartz crucible melting process.
The background technology is as follows:
the arc heating melting method for generating short circuit of graphite electrode is the main method for melting quartz crucible. In the melting process, the graphite electrode is supplemented with oxygen mainly by adopting a point-to-point high-pressure continuous blowing mode of compressed air, and volatile matters generated in the melting process of quartz sand attached to the graphite electrode are removed. The disadvantage of this approach is that the amount of air is small, the volatiles adhering to the graphite electrode cannot be removed, and if the volatiles fall into the quartz crucible being melted, the product is scrapped; when the air quantity is large, the melting current is greatly influenced, the melting current is reduced by 300-500A, the melting quality of the quartz crucible is seriously influenced, and when the air quantity is excessive, the combustion of the graphite electrode is accelerated, the consumption of the graphite electrode is large, and the production cost is increased.
The utility model comprises the following steps:
under the technical background, the utility model aims to provide the graphite electrode oxygen supplementing and dust removing device in the quartz crucible melting process.
The utility model is implemented by the following technical scheme: a graphite electrode oxygen supplementing and dust removing device in the quartz crucible melting process comprises a compressed air source, a stable oxygen supplementing pipeline, a dust removing pipeline and an air blowing pipe; the compressed air source is respectively communicated with the air inlets of the stable oxygen supplementing pipeline and the dust removing pipeline, and flow regulating valves are arranged at the air inlets of the stable oxygen supplementing pipeline and the dust removing pipeline; the pipe wall of the stable oxygen supplementing pipeline, which is close to the air outlet, is provided with a dust removing air inlet, the air outlet of the dust removing pipeline is communicated with the dust removing air inlet, the air blowing pipe surrounds the outer side of the graphite electrode fixing frame, and the air outlet of the stable oxygen supplementing pipeline is communicated with the air inlet of the air blowing pipe.
Preferably, an elastic air storage bag is arranged on the dust removal pipeline, and a limit box is arranged on the outer side of the elastic air storage bag.
Preferably, the dust removing pipeline at the front end of the elastic air storage bag is provided with a one-way valve.
Preferably, the dust removing pipeline at the rear end of the elastic air storage bag is provided with an electromagnetic valve and a time relay, and the electromagnetic valve is electrically connected with the time relay.
Preferably, the limit box is jacketed, a jacket inlet of the limit box is communicated with the cooling water main pipe through a pipeline, and a jacket outlet of the limit box is communicated with an inlet of the circulating water pool through a pipeline.
Preferably, a plurality of air blowing ports are formed in the air blowing pipe.
The utility model has the advantages that: 1. the graphite electrode is provided with a double pipeline of an oxygen supplementing pipeline and a dust removing pipeline in the melting process of the quartz crucible, so that the problems that the current is disturbed by excessive air flow, the electrode consumption is excessive and the dust removing effect cannot be achieved due to insufficient air flow are effectively solved; 2. in the process of dedusting the graphite electrode, the impact force of gas is enhanced by utilizing the shrinkage force of the air bag, so that the dedusting effect is better, the electromagnetic valve is controlled to be intermittently opened by utilizing the time relay, the interference to current is reduced to the minimum on the premise of ensuring effective dedusting, and the consumption of the electrode is reduced to the minimum.
Description of the drawings:
in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the 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 view of the apparatus of example 1;
in the figure: 1. the device comprises a compressed air source, 2, a stable oxygen supplementing pipeline, 3, a dust removing pipeline, 4, an air blowing pipe, 5, a flow regulating valve, 6, a dust removing air inlet, 7, a graphite electrode fixing frame, 8, an air blowing port, 9, a graphite electrode, 10, an elastic air storage bag, 11, a jacket type limit box, 12, a cooling water main pipe, 13, a circulating water tank, 14, a one-way valve, 15, an electromagnetic valve, 16 and a time relay.
The specific embodiment is as follows:
the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
as shown in figure 1, the graphite electrode oxygen supplementing and dust removing device in the quartz crucible melting process comprises a compressed air source 1, a stable oxygen supplementing pipeline 2, a dust removing pipeline 3 and a gas blowing pipe 4.
The compressed air source 1 is respectively communicated with air inlets of the stable oxygen supplementing pipeline 2 and the dust removing pipeline 3, and flow regulating valves 5 are arranged at the air inlets of the stable oxygen supplementing pipeline 2 and the dust removing pipeline 3; a dust-removing gas inlet 6 is formed in the pipe wall, close to the gas outlet, of the stable oxygen supplementing pipeline 2, the gas outlet of the dust-removing pipeline 3 is communicated with the dust-removing gas inlet 6, the gas blowing pipe 4 surrounds the outer side of the graphite electrode fixing frame 7, and the gas outlet of the stable oxygen supplementing pipeline 2 is communicated with the gas inlet of the gas blowing pipe 4.
Three air blowing ports 8 are formed in the air blowing pipe 4, the number of the air blowing ports 8 is identical to that of graphite electrodes 9 in the quartz crucible, and the air blowing direction of each air blowing port 8 is opposite to the graphite electrode 9 corresponding to the air blowing port. In the melting process of the quartz crucible, the graphite electrode 9 is arranged in a double pipeline manner by adopting the stable oxygen supplementing pipeline 2 and the dust removing pipeline 3, and the air flow entering the stable oxygen supplementing pipeline 2 and the dust removing pipeline 3 is controlled by the flow regulating valve 5, so that the problems that the current is disturbed by excessive air flow, the electrode consumption is excessive and the dust removing effect cannot be achieved due to insufficient air flow are effectively solved.
The dust removal pipeline 3 is provided with the elastic air storage bag 10, the outer side of the elastic air storage bag 10 is provided with the jacket type limit box 11, the situation that the elastic air storage bag 10 is expanded infinitely or even bursts is avoided, the jacket inlet of the jacket type limit box 11 is communicated with the cooling water main pipe 12 through a pipeline, the jacket outlet of the jacket type limit box 11 is communicated with the inlet of the circulating water tank 13 through a pipeline, the situation that the elastic air storage bag 10 is damaged due to the fact that the temperature in a melting furnace is too high is avoided, the dust removal pipeline 3 at the front end of the elastic air storage bag 10 is provided with the one-way valve 14, the dust removal pipeline 3 at the rear end of the elastic air storage bag 10 is provided with the electromagnetic valve 15 and the time relay 16, and the electromagnetic valve 15 is electrically connected with the time relay 16. In the process of dedusting the graphite electrode 9, the time relay 16 is used for controlling the electromagnetic valve 15 to be periodically opened and closed, and when the electromagnetic valve 15 is closed, compressed air is stored in the elastic air storage bag 10, so that the excessive air flow blowing to the graphite electrode 9 is prevented, the interference of the air flow to the current is reduced, and the consumption of the electrode is reduced. When the electromagnetic valve 15 is opened, the contraction force of the elastic air storage bag 10 is utilized to enhance the impact force of the air flow, so that the dust removal effect is better.
The working description:
when the device of the embodiment is operated, the flow regulating valves 5 on the stable oxygen supplementing pipeline 2 and the dust removing pipeline 3 are opened, the pressure of the stable oxygen supplementing pipeline 2 is controlled to be 0.4MPa-0.55MPa, the pressure of the dust removing pipeline 3 is controlled to be 0.65MPa-0.8MPa, and meanwhile, the electromagnetic valve 15 on the dust removing pipeline 3 is controlled by the time relay 16, and is opened once every 40s and closed after 15s-20 s. When the electromagnetic valve 15 is closed, compressed air is conveyed to the graphite electrode 9 through the stable oxygen supplementing pipeline 2, oxygen supplementing is carried out on the graphite electrode 9, combustion of the graphite electrode 9 is promoted, compressed air on the dust removing pipeline 3 is stored in the elastic air storage bag 10, when the electromagnetic valve 15 is opened, the elastic air storage bag 10 instantaneously contracts to blow the compressed air onto the graphite electrode 9, then quartz sand volatile impurities attached to the graphite electrode 9 are blown off, the quartz sand volatile impurities move upwards under the driving of hot air flow, and the quartz sand volatile impurities are discharged out of the melting furnace through an exhaust system of the melting furnace.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. The graphite electrode oxygen supplementing and dust removing device in the quartz crucible melting process is characterized by comprising a compressed air source, a stable oxygen supplementing pipeline, a dust removing pipeline and an air blowing pipe; the compressed air source is respectively communicated with the air inlets of the stable oxygen supplementing pipeline and the dust removing pipeline, and flow regulating valves are arranged at the air inlets of the stable oxygen supplementing pipeline and the dust removing pipeline; the pipe wall of the stable oxygen supplementing pipeline, which is close to the air outlet, is provided with a dust removing air inlet, the air outlet of the dust removing pipeline is communicated with the dust removing air inlet, the air blowing pipe surrounds the outer side of the graphite electrode fixing frame, and the air outlet of the stable oxygen supplementing pipeline is communicated with the air inlet of the air blowing pipe.
2. The graphite electrode oxygen supplementing and dust removing device in the quartz crucible melting process according to claim 1, wherein an elastic air storage bag is arranged on the dust removing pipeline, and a limit box is arranged on the outer side of the elastic air storage bag.
3. The oxygen supplementing and dust removing device for graphite electrodes in the process of melting a quartz crucible according to claim 2, wherein a one-way valve is arranged on the dust removing pipeline at the front end of the elastic air storage bag.
4. The graphite electrode oxygen supplementing and dust removing device in the quartz crucible melting process according to claim 2, wherein an electromagnetic valve and a time relay are arranged on the dust removing pipeline at the rear end of the elastic air storage bag, and the electromagnetic valve is electrically connected with the time relay.
5. The graphite electrode oxygen supplementing and dust removing device in the quartz crucible melting process according to claim 2, wherein the limiting box is a jacket type, a jacket inlet of the limiting box is communicated with the cooling water main pipe through a pipeline, and a jacket outlet of the limiting box is communicated with an inlet of the circulating water pool through a pipeline.
6. The oxygen supplementing and dust removing device for graphite electrodes in the melting process of a quartz crucible according to any one of claims 1 or 2, wherein a plurality of air blowing openings are formed in the air blowing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321206724.2U CN220183067U (en) | 2023-05-17 | 2023-05-17 | Graphite electrode oxygen supplementing and dust removing device in quartz crucible melting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321206724.2U CN220183067U (en) | 2023-05-17 | 2023-05-17 | Graphite electrode oxygen supplementing and dust removing device in quartz crucible melting process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220183067U true CN220183067U (en) | 2023-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321206724.2U Active CN220183067U (en) | 2023-05-17 | 2023-05-17 | Graphite electrode oxygen supplementing and dust removing device in quartz crucible melting process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220183067U (en) |
-
2023
- 2023-05-17 CN CN202321206724.2U patent/CN220183067U/en active Active
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