CN115910413B - Glass solidifying melting furnace for radioactive waste - Google Patents
Glass solidifying melting furnace for radioactive waste Download PDFInfo
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- CN115910413B CN115910413B CN202211335221.5A CN202211335221A CN115910413B CN 115910413 B CN115910413 B CN 115910413B CN 202211335221 A CN202211335221 A CN 202211335221A CN 115910413 B CN115910413 B CN 115910413B
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- 239000011521 glass Substances 0.000 title claims abstract description 41
- 230000008018 melting Effects 0.000 title claims abstract description 33
- 238000002844 melting Methods 0.000 title claims abstract description 33
- 239000002901 radioactive waste Substances 0.000 title claims abstract description 18
- 238000007711 solidification Methods 0.000 claims abstract description 19
- 230000008023 solidification Effects 0.000 claims abstract description 19
- 238000003723 Smelting Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 24
- 229910000510 noble metal Inorganic materials 0.000 abstract description 8
- 238000001465 metallisation Methods 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 3
- 239000002927 high level radioactive waste Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000005587 bubbling Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000006060 molten glass Substances 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000000156 glass melt Substances 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 239000011214 refractory ceramic Substances 0.000 description 2
- 239000002915 spent fuel radioactive waste Substances 0.000 description 2
- 239000006121 base glass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption 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
- 239000003758 nuclear fuel Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
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- Vertical, Hearth, Or Arc Furnaces (AREA)
- Glass Melting And Manufacturing (AREA)
Abstract
The invention discloses a radioactive waste glass solidification smelting furnace, which comprises a smelting furnace and a smelting pool positioned in the smelting furnace, wherein a plurality of groups of fixed main electrodes are arranged in the smelting pool, the plurality of groups of fixed main electrodes are respectively and symmetrically arranged at the middle upper part and the lower part of the inner wall of the smelting furnace, and a plurality of groups of fixed main electrodes form a plurality of loops through an asymmetric electrode heat supply mode. Compared with the prior art, the asymmetric electrode heat supply mode is adopted by the melting furnace, the heating state of glass liquid in the melting furnace is alternated, so that glass liquid can form unsteady glass flowing liquid, a steady-state flow field is prevented from being formed in the furnace body, dead angles and static layers are reduced, the unsteady glass flowing liquid can weaken noble metal deposition on the furnace wall or the electrode tip, electrode corrosion caused by the noble metal deposition is avoided, and meanwhile, as part of electrodes are always in a low-load working state when the electrodes alternately work, the loss of the electrodes can be reduced.
Description
Technical Field
The invention relates to the technical field of radioactive waste treatment, in particular to a radioactive waste glass solidification melting furnace.
Background
Nuclear energy is a high energy source and has received great attention from humans. In the process of utilizing nuclear energy, a large amount of radioactive waste is inevitably generated, and if the radioactive waste is not properly disposed of, the environment is threatened greatly. Particularly, the high-level waste liquid generated in the post-treatment process of the spent fuel at the rear end of the nuclear fuel cycle has the characteristics of radioactivity, high specific activity, high heat release rate, long half-life radionuclide, great biotoxicity and the like, and the treatment and disposal of the high-level waste liquid generated in the post-treatment of the spent fuel are focuses of people.
The solidification of the high-level radioactive waste liquid is to firmly combine the radionuclide in the high-level radioactive waste liquid into a stable substrate structure, has the advantages of wide inclusion, high stability and the like, is a high-level radioactive waste liquid solidification technology which is mature in the international technology and most applied at present, and is recognized as the method with the most practical value at present; the glass solidification is to mix the base glass with specific components with radioactive waste, to fuse at high temperature to form glass liquid, and to inject the glass liquid into a storage container to prepare a stable glass solidified body, thereby confining the radionuclide in the glass solidified body and meeting the requirement of preventing the nuclide from migrating. Wherein the curing furnace is the core of the radioactive waste glass curing process; in various glass curing furnaces, the Joule heating ceramic furnace has the advantages of large processing capacity, small energy consumption, direct liquid feeding, no size limitation on the surface area of a molten pool and the like in the glass curing technology; so at present, the glass curing device is used as a ceramic melting furnace with Joule heating on the global scale; the process utilizes the high-temperature conductive property of the glass melt, uses the electrode to supply power, and utilizes the Joule heat generated by the glass melt as a heat source to provide the heat required by glass melting. Wherein the arrangement mode of the electrodes in the melting furnace and the distribution of current have decisive effect on the high-level waste liquid solidification process.
The existing Joule heating glass solidification melting furnace generally uses a fixed electrode to heat raw materials, the working mode is relatively fixed, a stable convection field is formed in glass liquid in the melting furnace in the production process, turbulence or dead angles are easily formed at the edge, the side wall and other parts, the glass melting uniformity is not facilitated, meanwhile, precious metal deposition is easy to occur, and when the precious metal is deposited on the surface of a main electrode, punctiform corrosion can be caused under the current tip effect, so that the service life of the melting furnace is influenced.
Disclosure of Invention
The invention aims to provide a radioactive waste glass solidification furnace with unbalanced power supply, which can effectively solve the problems of uneven molten glass melting, incapability of electrode replacement, easiness in generation of noble metal deposition and the like in the existing glass solidification furnace.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the device comprises a smelting furnace and a molten pool positioned in the smelting furnace, wherein a plurality of groups of fixed main electrodes are arranged in the molten pool, the plurality of groups of fixed main electrodes are symmetrically arranged at the middle upper part and the lower part of the inner wall of the smelting furnace respectively, and the plurality of groups of fixed main electrodes form a plurality of loops through an asymmetric electrode heat supply mode.
Further, the fixed main electrodes are three groups, namely a first electrode and a second electrode; a third electrode, a fourth electrode; a fifth electrode, a sixth electrode; wherein the first electrode, the second electrode; the third electrode and the fourth electrode are respectively and symmetrically arranged at the middle upper part of the inner wall of the melting furnace in pairs, and the fifth electrode and the sixth electrode are arranged at the lower part of the inner wall of the melting furnace.
Further, the fixed main electrode comprises electrode tip and electrode shaft, electrode shaft one end with the electrode tip is connected, the inside thermocouple that is used for monitoring the electrode tip temperature that is provided with of electrode shaft, the thermocouple with be provided with the cooling air between the electrode shaft inner wall and press the passageway business turn over.
Further, a bubbler is provided between the first electrode and the second electrode.
Further, the asymmetric electrode heat supply mode comprises a facing mode, a crossing mode and a triangular mode, and the first electrode and the second electrode; the third electrode and the fourth electrode form a first loop and a second loop through a facing mode, form a third loop or a fourth loop through a crossing mode, and form a fifth loop through a triangular mode.
Further, the opposite mode is to supply power to the first electrode and the second electrode respectively to form the first loop, and to the third electrode and the fourth electrode respectively to form the second loop, and the current magnitudes of the first loop and the second loop are different, wherein the first loop current is set to be between 40% and 100% of the second loop, and the two loop current magnitudes are exchanged after a period of operation.
Further, the cross mode is to supply power to the first electrode and the fourth electrode respectively so as to form a third loop, and at the moment, the second electrode and the third electrode pause power supply; the second electrode and the third electrode form a fourth loop, and the first electrode and the fourth electrode pause power supply at the moment; the third loop and the fourth loop are operated at intervals.
Further, the cross mode is to supply power to the second electrode and the third electrode respectively to form a fourth loop, and at the moment, the power supply of the first electrode and the fourth electrode is stopped.
Further, the triangle mode is to disconnect one of the first electrode, the second electrode, the third electrode and the fourth electrode which are positioned on any side of the upper electrode in the inner wall of the melting furnace, the other electrode on the same side of the triangle mode and the two electrodes on the other side of the upper end in the molten pool form a fifth loop, and the first electrode, the second electrode, the third electrode and the fourth electrode can be closed at intervals so as to replace the electrode forming the fifth loop.
Further, when the temperature of the electrode in any of the first loop, the second loop, the third loop, the fourth loop and the fifth loop in the off or low-current running state is lower than 16% of the temperature of other normal power transmission working electrodes, the electrode is replaced by other asymmetric electrode heat supply modes.
Compared with the prior art, the invention has the following beneficial effects:
in the invention, the asymmetric electrode heat supply mode is adopted by the melting furnace, the heating state of glass liquid in the melting furnace is alternated, so that glass liquid can form unsteady glass flowing liquid, a steady flow field is prevented from being formed in the furnace body, dead angles and static layers are reduced, the unsteady glass flowing liquid can weaken noble metal deposition on the furnace wall or electrode tip, electrode corrosion caused by the noble metal deposition is avoided, and meanwhile, as part of electrodes are always in a low-load working state when the electrodes alternately work, the loss of the electrodes can be reduced.
Drawings
FIG. 1 is a schematic view of a longitudinal sectional structure of a furnace according to the present invention;
FIG. 2 is a schematic top cross-sectional view of the furnace of the present invention;
FIG. 3 is a schematic cross-sectional view of a stationary electrode according to the present invention;
FIG. 4 is a schematic diagram of a first circuit according to the present invention;
FIG. 5 is a schematic diagram of a second circuit according to the present invention;
FIG. 6 is a schematic diagram of a third circuit according to the present invention;
FIG. 7 is a schematic diagram of a fourth circuit according to the present invention;
FIG. 8 is a schematic diagram of a fifth circuit according to the present invention;
wherein, the names corresponding to the reference numerals are:
furnace 1, molten pool 2, feed inlet 3, discharge outlet 4, bubbling pipe 5, liquid level meter 6, first electrode E1, second electrode E2, third electrode E3, fourth electrode E4, fifth electrode E5, sixth electrode E6, electrode head 7, thermocouple 8, cooling pressure air inlet and outlet channel 9, electrode shaft 10.
Detailed Description
The invention will be further illustrated by the following description and examples, which include but are not limited to the following examples.
Example 1
Referring to fig. 1 to 3, in the radioactive waste glass solidification melting furnace of the present embodiment, a molten pool inside the melting furnace is built by refractory ceramic bricks, and three pairs of fixed main electrodes including a first electrode E1 and a second electrode E2 are fixedly provided on a wall of the molten pool; a third electrode E3 and a fourth electrode E4; a fifth electrode E5, a sixth electrode E6.
Wherein the first electrode E1 and the second electrode E2; the third electrode E3 and the fourth electrode E4 are symmetrically arranged at the middle upper part of the melting tank wall in pairs, and the fifth electrode E5 and the sixth electrode E6 are arranged at the lower part of the melting tank wall;
the fixed main electrode is composed of an electrode head 7 and an electrode shaft 10, the electrode head 7 is a plate electrode head, a thermocouple 8 for monitoring the temperature of the electrode head is arranged in the center of the electrode shaft 10, a cooling air inlet and outlet channel 9 is arranged outside the thermocouple 8 and used for cooling the electrode head by air flow, and the service life of the electrode is prolonged.
Further, bubblers are arranged at the diagonal positions of the first electrode E1 and the fourth electrode E4, bubbling is carried out in the molten pool through the bubblers, and convection of molten glass of the melting furnace is enhanced, so that the temperature field of the melting furnace is relatively uniform.
In the glass solidification furnace of the present invention, the first electrode E1 and the second electrode E2 are four electrodes provided at the upper part of the furnace; the third electrode E3 and the fourth electrode E4 have three asymmetric power supply modes, which are respectively:
facing mode: as shown in fig. 4, the first electrode E1 and the second electrode E2 form a first loop, as shown in fig. 5, the third electrode E3 and the fourth electrode E4 form a second loop, and the current sizes of the first loop and the second loop are different, wherein the current of the first loop is set to be between 40% and 100% of the current of the second loop, and the current sizes of the two loops are exchanged after a period of operation;
the first loop and the second loop are formed simultaneously, the current of the first loop is 40% of that of the second loop, and after a set time interval is operated, the current of the first loop is exchanged with that of the second loop, and at the moment, the current of the second loop is 40% of that of the first loop, and the loop is circulated.
Crossover mode: as shown in fig. 6, the first electrode E1 and the fourth electrode E4 form a third loop, and at this time, the second electrode E2 and the third electrode E3 suspend power supply; or as shown in fig. 7, the second electrode E2 and the third electrode E3 form a fourth loop, and at this time, the first electrode E1 and the fourth electrode E4 suspend power supply; the third loop and the fourth loop run at intervals;
the third loop is to heat the furnace by adopting a heating loop at the upper part of the furnace; this scheme does not supply power to the second electrode E2 and the third electrode E3, supplies power to the first electrode E1 and the fourth electrode E4, and continues to cool the electrodes with cooling air. Since the second electrode E2 and the third electrode E3 do not deliver power, there is no joule heat generation in the vicinity of the second electrode E2 and the third electrode E3, and the electrode temperature will be reduced relative to maintaining the second electrode E2 and the third electrode E3 operating regime;
the fourth loop is to heat the furnace by adopting a heating loop at the upper part of the furnace; however, the scheme is that the first electrode E1 and the fourth electrode E4 are not powered, the second electrode E2 and the third electrode E3 are powered, and the first electrode E1 and the fourth electrode E4 are continuously cooled by cooling air, so that no Joule heat is generated near the first electrode E1 and the fourth electrode E4 because the first electrode E1 and the fourth electrode E4 are not powered, and the electrode temperature is reduced compared with the operation scheme of maintaining the first electrode E1 and the fourth electrode E4;
triangle mode: as shown in fig. 8, one of the electrodes on either side of the upper end of the bath is disconnected, the other electrode on the same side of the electrode forms a fifth loop with the two electrodes on the other side of the upper end of the bath, and the four electrodes can be closed at intervals to replace the electrode forming the fifth loop.
The fifth loop is formed by supplying power to the first electrode E1, the fourth electrode E4 and the second electrode E2 by using the third electrode E3 without supplying power, cooling the third electrode E3 by using a cooling air inlet and outlet channel, and when the temperature of the cooled electrode is reduced to 16% of the temperature in normal power transmission operation, starting to replace the electrode without supplying power to the upper electrode in the other three molten pools, thereby forming the fifth loop again.
The three power supply modes can ensure that one or more electrodes are not fully operated, the temperature of the electrode which is not operated is reduced due to the operation of the electrode which is not fully operated, the corrosion of glass liquid to the electrode is reduced, the deposition of noble metal on the surface of the electrode is reduced, the service life of the electrode is prolonged, and meanwhile, when the temperature of one electrode in a disconnected or low-current operation state is lower than 16% of the temperature in normal power transmission operation, the power supply mode is switched so as to prevent the temperature of the glass liquid at the position from being too low and influencing the melting effect.
Example 2
In the radioactive waste glass solidification smelting furnace, a molten pool in the smelting furnace is built by refractory ceramic bricks, and three pairs of fixed main electrodes including a first electrode E1 and a second electrode E2 are fixedly arranged on the wall of the molten pool; a third electrode E3 and a fourth electrode E4; a fifth electrode E5, a sixth electrode E6.
Wherein the first electrode E1 and the second electrode E2; the third electrode E3 and the fourth electrode E4 are symmetrically arranged at the middle upper part of the melting tank wall in pairs, and the fifth electrode E5 and the sixth electrode E6 are arranged at the lower part of the melting tank wall;
the fixed main electrode is composed of an electrode head 7 and an electrode shaft 10, the electrode head 7 is a plate electrode head, a thermocouple 8 for monitoring the temperature of the electrode head is arranged in the center of the electrode shaft 10, a cooling air inlet and outlet channel 9 is arranged outside the thermocouple 8 and used for cooling the electrode head by air flow, and the service life of the electrode is prolonged.
Further, bubblers are arranged at the diagonal positions of the first electrode E1 and the fourth electrode E4, bubbling is carried out in the molten pool through the bubblers, and convection of molten glass of the melting furnace is enhanced, so that the temperature field of the melting furnace is relatively uniform.
In addition, with the solidification furnace in the present invention, the first electrode E1, the second electrode E2 are formed by four electrodes disposed at the upper part of the furnace; the third electrode E3 and the fourth electrode E4, the melting furnace has three asymmetric power supply modes, namely:
facing mode: the first electrode E1 and the second electrode E2 form a first loop, the third electrode E3 and the fourth electrode E4 form a second loop, the current of the first loop and the current of the second loop are different, wherein the current of the first loop is set to be between 40 and 100 percent of the current of the second loop, and the current of the two loops is exchanged after a period of operation;
the first loop and the second loop are formed simultaneously, the current of the second loop is 40% of that of the first loop, and after a set time interval is operated, the current of the second loop is exchanged with that of the first loop, and at the moment, the current of the first loop is 40% of that of the second loop, and the loop is circulated.
Crossover mode: the first electrode E1 and the fourth electrode E4 form a third loop, and at the moment, the second electrode E2 and the third electrode E3 pause power supply; or the second electrode E2 and the third electrode E3 form a fourth loop, and at the moment, the first electrode E1 and the fourth electrode E4 pause power supply; the third loop and the fourth loop run at intervals;
the third loop is to heat the furnace by adopting a heating loop at the upper part of the furnace; this scheme does not supply power to the second electrode E2 and the third electrode E3, supplies power to the first electrode E1 and the fourth electrode E4, and continues to cool the electrodes with cooling air. Since the second electrode E2 and the third electrode E3 do not deliver power, there is no joule heat generation in the vicinity of the second electrode E2 and the third electrode E3, and the electrode temperature will be reduced relative to maintaining the second electrode E2 and the third electrode E3 operating regime;
the fourth loop is to heat the furnace by adopting a heating loop at the upper part of the furnace; however, the scheme is that the first electrode E1 and the fourth electrode E4 are not powered, the second electrode E2 and the third electrode E3 are powered, and the first electrode E1 and the fourth electrode E4 are continuously cooled by cooling air, so that no Joule heat is generated near the first electrode E1 and the fourth electrode E4 because the first electrode E1 and the fourth electrode E4 are not powered, and the electrode temperature is reduced compared with the operation scheme of maintaining the first electrode E1 and the fourth electrode E4;
triangle mode: one electrode on any side of the upper end in the molten pool is disconnected, the other electrode on the same side of the electrode and two electrodes on the other side of the upper end in the molten pool form a fifth loop, and the four electrodes can be closed at intervals so as to replace the electrode forming the fifth loop.
The fifth loop is formed by supplying power to the first electrode E1, the fourth electrode E4 and the second electrode E2 by using the third electrode E3 without supplying power, cooling the third electrode E3 by using a cooling air inlet and outlet channel, and when the temperature of the cooled electrode is reduced to 16% of the temperature in normal power transmission operation, starting to replace the electrode without supplying power to the upper electrode in the other three molten pools, thereby forming the fifth loop again.
The three asymmetric electrode heat supply modes can ensure that one or more electrodes are not fully loaded to work, the temperature of the electrode which is not in operation can be reduced due to the non-fully loaded operation, the corrosion of glass liquid to the electrode is reduced, the deposition of noble metal on the surface of the electrode is reduced, the service life of the electrode is prolonged, and meanwhile, when the temperature of one electrode in a disconnected or low-current running state is lower than 16% of the temperature in normal power transmission operation, the power supply mode is switched to prevent the temperature of the glass liquid at the position from being too low and influence the melting effect.
Under the asymmetric working mode of the furnace, the heating state of glass liquid in the furnace is alternated, so that a steady flow field is prevented from being formed in the furnace body, dead angles and static layers are reduced, the deposition of noble metal on the furnace wall or the electrode head can be weakened, and as all electrodes are not continuously operated in the asymmetric working mode, part of the electrodes are alternately in a low-load working state, and the loss of the electrodes is reduced.
The above embodiment is only one of the preferred embodiments of the present invention, and all the modifications or color-rendering that are not substantially made in the spirit and scope of the main body design of the present invention are still consistent with the present invention, and should be included in the protection scope of the present invention.
Claims (6)
1. A radioactive waste glass solidification furnace comprising a furnace and a molten bath located within the furnace, characterized in that: a plurality of groups of fixed main electrodes, namely a first electrode (E1) and a second electrode (E2), are arranged in the molten pool; a third electrode (E3) and a fourth electrode (E4); a fifth electrode (E5) and a sixth electrode (E6); wherein the first electrode (E1), the second electrode (E2); the third electrode (E3) and the fourth electrode (E4) are respectively and symmetrically arranged at the middle upper part of the inner wall of the melting furnace in pairs, and the fifth electrode (E5) and the sixth electrode (E6) are arranged at the lower part of the inner wall of the melting furnace; a plurality of groups of fixed main electrodes form a plurality of loops through an asymmetric electrode heat supply mode;
the asymmetric electrode heating modes comprise a facing mode, a crossing mode and a triangular mode, and the first electrode (E1) and the second electrode (E2) are arranged on the same plane; the third electrode (E3) and the fourth electrode (E4) form a first loop and a second loop through a facing mode, form a third loop or a fourth loop through a crossing mode and form a fifth loop through a triangular mode;
and when the temperature of the electrode in any of the first loop, the second loop, the third loop, the fourth loop and the fifth loop in the off or low-current running state is lower than 16% of the temperature of other normal power transmission working electrodes, changing to other asymmetric electrode heat supply modes.
2. A radioactive waste glass solidification furnace according to claim 1, characterized in that: the fixed main electrode comprises electrode tip (7) and electrode shaft (10), electrode shaft (10) one end with electrode tip (7) are connected, electrode shaft (10) inside is provided with thermocouple (8) that are used for monitoring electrode tip (7) temperature, thermocouple (8) with be provided with cooling air between electrode shaft (10) inner wall and press air business turn over passageway (9).
3. A radioactive waste glass solidification furnace according to claim 2, characterized in that: a bubbler (5) is arranged between the first electrode (E1) and the second electrode (E2).
4. A radioactive waste glass solidification furnace according to claim 1, characterized in that: the opposite mode is to supply power to the first electrode (E1) and the second electrode (E2) respectively to form the first loop, and to the third electrode (E3) and the fourth electrode (E4) respectively to form the second loop, and the current magnitudes of the first loop and the second loop are different, wherein the current of the first loop is set to be between 40% and 100% of the current magnitude of the second loop, and the current magnitudes of the two loops are exchanged after a period of operation.
5. A radioactive waste glass solidification furnace according to claim 1, characterized in that: the crossing mode is to supply power to the first electrode (E1) and the fourth electrode (E4) respectively so as to form a third loop, and the electrodes (E2) and the third electrode (E3) pause power supply at the moment; or the first electrode (E1) and the fourth electrode (E4) are powered in a suspending way, and the second electrode (E2) and the third electrode (E3) are powered to form a fourth loop; the third loop and the fourth loop are operated at intervals.
6. A radioactive waste glass solidification furnace according to claim 1, characterized in that: the triangular mode is to disconnect one electrode of the first electrode (E1), the second electrode (E2), the third electrode (E3) and the fourth electrode (E4) which are positioned on any side of the upper electrode in the inner wall of the smelting furnace, the other electrode on the same side of the triangular mode and two electrodes on the other side of the upper end in the smelting bath form a fifth loop, and the first electrode (E1), the second electrode (E2), the third electrode (E3) and the fourth electrode (E4) can be closed at intervals so as to replace the electrode forming the fifth loop.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211335221.5A CN115910413B (en) | 2022-10-28 | 2022-10-28 | Glass solidifying melting furnace for radioactive waste |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211335221.5A CN115910413B (en) | 2022-10-28 | 2022-10-28 | Glass solidifying melting furnace for radioactive waste |
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| CN115910413B true CN115910413B (en) | 2023-11-17 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB761409A (en) * | 1954-01-08 | 1956-11-14 | Harvey Lawrence Penberthy | Improvements in or relating to the production of glass by means at least partially of electrically generated heat |
| KR20020046075A (en) * | 2000-12-12 | 2002-06-20 | 곽영훈 | Glass Furnace |
| CN2937114Y (en) * | 2006-08-15 | 2007-08-22 | 承德华富玻璃技术工程有限公司 | Whole electric glass furnace |
| CN208500734U (en) * | 2018-07-10 | 2019-02-15 | 东莞可见优玻璃制品有限公司 | A kind of high-boron-silicon glass smelting furnace |
-
2022
- 2022-10-28 CN CN202211335221.5A patent/CN115910413B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB761409A (en) * | 1954-01-08 | 1956-11-14 | Harvey Lawrence Penberthy | Improvements in or relating to the production of glass by means at least partially of electrically generated heat |
| KR20020046075A (en) * | 2000-12-12 | 2002-06-20 | 곽영훈 | Glass Furnace |
| CN2937114Y (en) * | 2006-08-15 | 2007-08-22 | 承德华富玻璃技术工程有限公司 | Whole electric glass furnace |
| CN208500734U (en) * | 2018-07-10 | 2019-02-15 | 东莞可见优玻璃制品有限公司 | A kind of high-boron-silicon glass smelting furnace |
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| Publication number | Publication date |
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| CN115910413A (en) | 2023-04-04 |
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