CN214781460U - Bubbling device and radioactive glass melting furnace - Google Patents
Bubbling device and radioactive glass melting furnace Download PDFInfo
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- CN214781460U CN214781460U CN202023153859.6U CN202023153859U CN214781460U CN 214781460 U CN214781460 U CN 214781460U CN 202023153859 U CN202023153859 U CN 202023153859U CN 214781460 U CN214781460 U CN 214781460U
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Abstract
The utility model discloses a bubbling device, which comprises a bubbling pipe, an upper flange, a lower flange and an insulating layer, wherein the insulating layer is clamped between the upper flange and the lower flange; the bubbling pipe sequentially penetrates through the upper flange, the insulating layer and the lower flange, and is fixed on the upper flange; the input end of the bubbling pipe is used for inputting compressed gas, and the output end of the bubbling pipe extends into the feed liquid of the smelting furnace. The utility model also discloses a radioactive glass melting furnace comprising the bubbling device. The utility model discloses a bubbling device can carry out the tympanic bulla stirring to the feed liquid in the smelting pot furnace body, solves smelting pot jam problem, and is convenient for remote change operation.
Description
Technical Field
The utility model particularly relates to a bubbling device and contain bubbling device's radioactive glass smelting pot.
Background
The glass melting furnace is a core device in the high-radioactivity waste liquid glass solidification technology, and in the operation process, due to the reasons that high-temperature glass liquid in the glass melting furnace is not uniformly heated, glass and nuclide are not sufficiently mixed and the like, the components of a glass solidification product are not uniform, the stability is poor, even poor glass solid products are generated and are gathered at an outlet at the bottom of the glass melting furnace, and the glass melting furnace is blocked.
In order to heat the molten glass uniformly, mechanical stirring with a stirring paddle and bubbling stirring at the bottom of a molten pool of a glass furnace are commonly adopted in the prior art to stir the molten glass. However, in the prior art, the mechanical stirring paddle is arranged at the bottom of the molten pool and is limited by the high-temperature molten glass in the furnace, because the high-temperature molten glass has great erosion to the stirring paddle, the replacement frequency of the stirring paddle is high in the service life, and the furnace is used as an inclusion of radioactive media, a large amount of radioactive substances can overflow when the stirring paddle is replaced, so that the ideal stirring effect in the glass furnace is difficult to achieve. And, adopt the mode of the bubbling stirring of molten bath bottom to block up the venthole of molten bath bottom easily, and block up the back, difficult change, in addition, when changing the internal agitating unit of smelting pot furnace, the high waste liquid of putting also has the bottom waste liquid to spill over the risk, increases the design burden.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the above-mentioned not enough that exists among the prior art, provide a bubbling device and radioactive glass smelting pot, bubbling device can carry out the bubbling stirring to the feed liquid in the smelting pot furnace body, and is difficult for blockking up, is convenient for clean.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a bubbling device, which comprises a bubbling pipe, an upper flange, a lower flange and an insulating layer,
the insulating layer is clamped between the upper flange and the lower flange;
the bubbling pipe sequentially penetrates through the upper flange, the insulating layer and the lower flange, and is fixed on the upper flange;
the input end of the bubbling pipe is used for inputting compressed gas, and the output end of the bubbling pipe extends into the feed liquid of the smelting furnace.
Preferably, the bubbling pipe adopts a single-pipe single-hole structure with an interlayer, and the interlayer is used for reducing the heat of feed liquid taken away by compressed air when the compressed air flows in the bubbling pipe;
still be provided with the coating on the bubbling pipe surface, the coating is graphite alkene, is used for preventing impurity in the feed liquid is in the outer surface of bubbling pipe gathers.
Preferably, the bubbling tube is made of a nickel-based alloy material;
the insulating layer is made of alumina ceramics.
Preferably, the bubbling pipe comprises a vertical section and an inclined section, the vertical section is communicated with the inclined section, the inclined section is inclined towards the central position of the smelting furnace, the included angle range between the inclined section and the vertical section is 160-170 degrees, and the compressed air enters the bubbling pipe from the vertical section and is discharged from the inclined section;
the hole diameter of the inner hole of the inclined section is gradually reduced from a position 10-30mm away from the tail end of the inclined section to the tail end of the inclined section, and the hole diameter of the inner hole at the tail end of the inclined section is 1-3 mm.
Preferably, the bubbling device further comprises a connector, the connector is arranged on the input end of the bubbling tube, and the connector adopts a quick connector for connecting the bubbling tube with the compressed gas supply device.
Preferably, the bubbling device further comprises a fastening assembly for integrally connecting the upper flange, the insulating layer and the lower flange;
the number of the fastening components is multiple, and the fastening components are uniformly arranged on the outer side of the bubbling tube;
the fastening assembly comprises a screw, an anti-loosening element and a washer;
the head of a screw of the fastening assembly is arranged in a notch of the upper flange, and the screw sequentially penetrates through the anti-loosening element, the gasket, the insulating layer and the lower flange, or the head of the screw of the fastening assembly is arranged in a notch of the lower flange, and the screw sequentially penetrates through the anti-loosening element, the gasket, the insulating layer and the upper flange;
the anti-loosening piece adopts a disc spring.
Preferably, the bubbling device further comprises a sealing assembly, the sealing assembly comprises a refractory gasket and a composite gasket,
the fire-resistant gasket is arranged between the upper flange and the insulating layer and/or between the insulating layer and the lower flange, and the bubbling pipe penetrates through the fire-resistant gasket;
a clamping groove is formed in the lower end face, in contact with the furnace body of the smelting furnace, of the lower flange, the composite gasket is clamped in the clamping groove of the lower flange, and the bubbling pipe penetrates through the composite gasket;
the fire-resistant gasket is made of fire-resistant fiber paper;
the composite gasket is a metal-graphite wound gasket.
Preferably, the bubbling device further comprises a remote operating assembly, wherein the remote operating assembly comprises a positioning pin, a lifting lug and a stud,
the lifting lug is arranged on the upper end face of the lower flange and used for lifting;
the positioning pin is arranged on the lower end face of the lower flange;
the lower flange is provided with a through hole, and the stud penetrates through the through hole to be connected with the smelting furnace.
The utility model also provides a radioactive glass smelting furnace, including the smelting pot furnace body, still include foretell bubbling device, bubbling device fixes on the up end of smelting pot furnace body, just bubbling device's the output of bubbling pipe stretch into extremely the below of feed liquid level in the smelting pot furnace body.
Preferably, the radioactive glass melting furnace further comprises a feeding channel, wherein the feeding channel is arranged at the central position of the furnace body and is used for inputting the material liquid into the furnace body; the number of the bubbling devices in the glass furnace is multiple,
a feeding pipe is arranged in the feeding channel or a bubbling device is arranged in the feeding channel, a bubbling pipe of the bubbling device comprises a vertical section, the distance between an outlet of the vertical section and a discharge hole of the furnace body of the smelting furnace is 100-300mm,
the other bubbling devices are arranged around the outer side of the feeding channel.
The utility model discloses a bubbling device can carry out abundant stirring to the feed liquid in the smelting pot furnace body for feed liquid misce bene is favorable to improving the quality of product, and the bubbling device in this embodiment is difficult for blockking up, the simple operation. Particularly, the beneficial effects are as follows:
1. the bubbling device of the utility model fills gas into the furnace body of the smelting furnace through the bubbling pipe in the bubbling device arranged at the top of the smelting furnace, and carries out bubbling stirring on the feed liquid (namely glass liquid) in the furnace body of the smelting furnace, so that the components of the glass liquid are uniform, and the blockage is not easy to occur, thereby improving the product quality;
2. the bubbling device of the utility model is provided with the insulating layer which is arranged between the upper flange and the lower flange, thus realizing the insulation between the external pipeline of the bubbling device and the furnace body of the smelting furnace and avoiding the interference or damage to the related instruments and equipment;
3. as a preferred embodiment, the bubbling device of this embodiment further comprises a sealing assembly, which can seal the radioactive medium and atmosphere inside the furnace body of the melting furnace by adopting the fastening action of the refractory gasket, the metal-graphite wound gasket, the screw-disc spring-washer and the stud;
4. as a preferred embodiment, the bubbling device of this embodiment may be provided with a remote operation assembly, which enables remote operation of the bubbling device, thereby implementing remote replacement and installation of the bubbling device as a whole, and reducing radiation of radioactive liquid to operators.
The utility model discloses a radioactive glass smelting pot not only can solve glass product quality problem through adopting foretell bubbling device, can also be when the export of smelting pot furnace body blocks up, with the inlet pipe replacement in the smelting pot furnace body for above-mentioned bubbling device, can in time clear up the bottom through the bubbling stirring of compressed air and block up, the effectual glass smelting pot export jam problem of having solved.
Drawings
Fig. 1 is a schematic structural diagram of a bubbling device in an embodiment of the present invention;
FIG. 2 is a schematic view of another structure of the bubbling device;
fig. 3 is an enlarged view of an upper portion of the bubbling device according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a radioactive glass melting furnace in an embodiment of the present invention.
In the figure: 1-a first bubbler tube; 2-upper flange; 3-an insulating layer; 4-a stud; 5-lifting lugs; 6-lower flange; 7-a positioning pin; 8-a second bubble tube; 31-a refractory gasket; 32-a fastening assembly; 41-stud sleeve; 61-composite shim.
Detailed Description
In the following, the technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.
In the description of the present invention, it should be noted that the indication of orientation or positional relationship such as "up" is based on the orientation or positional relationship shown in the drawings, and is only for convenience and simplicity of description, and does not indicate or imply that the indicated device or element must be provided with a specific orientation, constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected," "disposed," "mounted," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
The utility model provides a bubbling device, which comprises a bubbling pipe, an upper flange, a lower flange and an insulating layer, wherein the insulating layer is clamped between the upper flange and the lower flange;
the bubbling pipe sequentially penetrates through the upper flange, the insulating layer and the lower flange, and is fixed on the upper flange;
the input end of the bubbling pipe is used for inputting compressed gas, and the output end of the bubbling pipe extends into the feed liquid of the smelting furnace.
The utility model also provides a radioactive glass smelting furnace, including the smelting pot furnace body, still include foretell bubbling device, bubbling device fixes on the up end of smelting pot furnace body, just bubbling device's the output of bubbling pipe stretch into extremely the below of feed liquid level in the smelting pot furnace body.
Example 1:
the embodiment discloses a bubbling device, as shown in fig. 1 and 2, which includes a bubbling pipe, an upper flange 2, a lower flange 6 and an insulating layer 3, wherein the insulating layer 3 is clamped between the upper flange 2 and the lower flange 6, the upper flange 2, the insulating layer 3 and the lower flange 6 are all provided with central holes, the bubbling pipe sequentially passes through the central holes of the upper flange 2, the insulating layer 3 and the lower flange 6, the bubbling pipe is fixed on the upper flange 2, the input end of the bubbling pipe is used for inputting compressed gas, and the output end of the bubbling pipe extends into a feed liquid of a smelting furnace.
In this embodiment, bubbling device sets up at the top of smelting pot, can follow the top of smelting pot and carry out the bubbling stirring to the feed liquid in the smelting pot for the feed liquid misce bene can improve the quality of product, and is difficult for blockking up, and the cleanness of being convenient for can avoid adopting among the prior art to set up the bubbling stirring in the molten bath bottom because the clean inconvenient and radioactive substance pollution's that the jam caused problem.
In this embodiment, the bubbling pipe adopts the single tube haplopore structure that has the intermediate layer, and the intermediate layer is used for reducing the heat that the feed liquid was taken away to compressed air when the bubbling intraductal flow, maintains the outside temperature of bubbling pipe to reduce impurity and at the external surface gathering of bubbling pipe, thereby avoid the aggregate to fall into the smelting pot bottom and block up the smelting pot ejection of compact after breaking away from bubbling pipe surface. Still be provided with the coating on the bubbling pipe surface, the coating is graphite alkene for further prevent the impurity in the feed liquid at the outer surface gathering of bubbling pipe.
In the embodiment, the bubbling pipe is made of a nickel-based alloy material, and the material has high temperature resistance and good corrosion resistance. The insulating layer 33 is made of alumina ceramic, which has good insulating properties.
In this embodiment, the first bubbling pipe 1 shown in fig. 1 is used as the bubbling pipe, the first bubbling pipe 1 includes a vertical section and an inclined section, the end of the vertical section is communicated with the inclined section, the inclined section is inclined towards the center of the furnace, and the included angle between the inclined section and the vertical section is 160 and 170 degrees, wherein the compressed air enters the first bubbling pipe 1 from the vertical section and is discharged from the inclined section.
In this embodiment, the first bubbling tube 1 is provided with the vertical section and the inclined section, so that the range of the setting position of the bubbling device in the glass melting furnace can be increased, and only the angle between the inclined section and the vertical section and the length of the inclined section need to be adjusted, so that the gas discharged from the tail end of the first bubbling tube 1 is close to the optimal position, wherein the optimal position is the central position close to the melting furnace.
In the embodiment, the inner hole aperture of the inclined section is gradually reduced from a position 10-30mm away from the tail end of the inclined section to the tail end of the inclined section, the inner hole aperture at the tail end of the inclined section is 1-3mm, the turbulence degree of discharged gas can be increased by the inner hole aperture at the tail end of the inclined section in the range, a bubbling pipe can be kept to have a good bubbling rate, impurities at the outlet of the inclined section can be removed, and the outlet of the bubbling pipe is prevented from being blocked by the impurities.
In this embodiment, the bubbling pipe may also be a second bubbling pipe 8 as shown in fig. 2, the second bubbling pipe 8 is provided with only a vertical section, the bubbling device may be used for bubbling and stirring, and another function of the bubbling device is to use bubbles to clear the blockage when the outlet of the melting furnace is blocked.
In this embodiment, the bubbling device further includes a connector disposed at an input end of the bubbling tube, and the connector is a quick connector for connecting the bubbling tube and the compressed air supply device together.
In this embodiment, the bubbling device further comprises a fastening assembly 32 for connecting the upper flange 2, the insulating layer 3 and the lower flange 6 into a whole, and the corresponding positions of the upper flange 2 and the lower flange 6 are provided with a gap structure or space for facilitating the fastening operation of the fastening assembly and a corresponding threaded hole structure for fastening the fastening assembly.
As shown in fig. 3, the number of the fastening members 32 is plural, and plural fastening members 32 are uniformly provided on the outer side of the bubble tube, and in the present embodiment, the number of the fastening members 32 is three. The fastening assembly 32 comprises a screw, an anti-loosening element and a washer, wherein the head of the screw of the fastening assembly 32 is arranged in the opening of the upper flange 2, and the screw sequentially passes through the anti-loosening element, the washer, the insulating layer 3 and the lower flange 6, or the head of the screw of the fastening assembly 32 is arranged in the opening of the lower flange 6, and the screw sequentially passes through the anti-loosening element, the washer, the insulating layer 3 and the upper flange 2. The securing assembly 32 in this embodiment is capable of securing the various portions of the bubbler apparatus as a unitary structure and sealing the interior chamber of the bubbler apparatus. Preferably, the locking piece adopts the dish spring, can effectively compensate the fastening force when the screw is not hard up.
In this embodiment, the bubbling device further comprises a sealing assembly comprising a refractory gasket 31 and a composite gasket 61, the refractory gasket 31 being disposed between the upper flange 2 and the insulating layer 3, and/or between the insulating layer 3 and the lower flange 6, and the bubbling pipe passing through the refractory gasket. The lower flange 6 is provided with a clamping groove on the lower end face contacting with the furnace body of the smelting furnace, the composite gasket 61 is clamped in the clamping groove of the lower flange 6, and the bubbling pipe penetrates through the central hole of the composite gasket 61. The refractory gasket 31 and the composite gasket 61 are used for isolating the inside and the outside of the furnace body of the melting furnace and meet the sealing requirement of the glass melting furnace in a high-temperature operation environment.
In this embodiment, the refractory pad 31 is made of refractory fiber paper, and the composite pad 61 is made of metal-graphite wound pad, wherein the metal is usually austenitic stainless steel.
Specifically, as shown in fig. 3, a layer of refractory gasket 31 is respectively arranged between the insulating layer 3 and the upper flange 2 and between the insulating layer and the lower flange 6, and is fastened by three groups of screws-disc springs-gaskets, a layer of metal-graphite wound gasket is arranged between the lower flange 6 and the furnace body interface flange, and the metal-graphite wound gasket is embedded in a clamping groove in the lower flange 6.
In this embodiment, the bubbling device further comprises a remote operation assembly, wherein the remote operation assembly comprises a positioning pin 7, a lifting lug 5 and a stud 4, and the lifting lug 5 is arranged on the upper end surface of the lower flange 6 and used for hoisting; the positioning pin 7 is vertically arranged on the lower end face of the lower flange 6, a through hole is arranged on the lower flange 6, and the stud 4 penetrates through the through hole to be connected with the smelting furnace.
Preferably, the remote operation assembly further comprises a stud sleeve 41, and the stud sleeve 41 is arranged on the upper end surface of the lower flange 6 and sleeved outside the stud 4.
In this embodiment, the number of the positioning pins 7 is one pair, the number of the lifting lugs 5 is one pair, the number of the studs 4 and the stud sleeves 41 is three groups, and the positioning pins 7, the lifting lugs 5, the studs 4 and the stud sleeves 41 are all made of stainless steel.
When changing bubbling device through long distance, carry out the hoist and mount operation through lug 5, realize the guiding orientation by fixed locating pin 7 at lower flange 6, bubbling device takes one's place the back and realizes bubbling device's lower flange and the fastening of smelting pot furnace body and loosen through the rotatory double-screw bolt 4 of electric wrench, during rotatory electric wrench, can raise the electric wrench operating face through the stud cover 41 that sets up between double-screw bolt 4 and the lower flange 6, be used for increasing electric wrench operating space, simultaneously, adopt the cooperation to be connected between double-screw bolt 4 and the stud cover 41 and can effectively avoid stud cover 41 to drop, also do benefit to and realize that double-screw bolt 4 is centering. Otherwise, the corresponding flow is the remote disassembly of the bubbling device and the furnace body of the smelting furnace.
The bubbling device of this embodiment can carry out abundant stirring to the feed liquid in the smelting furnace for the feed liquid misce bene is favorable to improving the quality of product, and the bubbling device in this embodiment is difficult for blockking up, the simple operation.
Example 2:
the embodiment also discloses a radioactive glass melting furnace, which comprises a melting furnace body and further comprises the bubbling device in the embodiment 1, wherein the bubbling device is fixed on the upper end surface of the melting furnace body, and the output end of a bubbling pipe of the bubbling device extends into the position below the liquid level of the feed liquid in the melting furnace body.
In this embodiment, the glass melting furnace further includes a feeding channel, the feeding channel is disposed at a central position of the furnace body and is used for inputting the material liquid into the furnace body, and the number of the bubbling devices in the glass melting furnace is plural. The feeding pipe is arranged in the feeding channel or a bubbling device is arranged, and the bubbling pipe of the bubbling device adopts a second bubbling pipe 8 as shown in figure 2, namely, the bubbling pipe comprises a vertical section, and the distance between the outlet of the vertical section and the discharge hole of the furnace body of the smelting furnace is 100mm and 300 mm.
As shown in fig. 4, other bubbling devices are enclosed outside the feed channel, wherein the bubbling pipes of the other bubbling devices are the first bubbling pipe 1 as shown in fig. 1. The feeding pipe is usually placed in the feeding channel and used for inputting feed liquid into the furnace body of the smelting furnace, when the discharge hole of the furnace body of the smelting furnace is blocked, the feeding pipe is replaced by a bubbling device, and the bubbling device only comprises a vertical section and is used for clearing the blockage of the discharge hole.
Specifically, as shown in fig. 1 and 2, a bubbling pipe made of a corrosion-resistant and high-temperature-resistant alloy material (such as a nickel-based alloy material) is welded and fixed at an upper flange 2, a welding line is located on the outer surface of the upper flange 2, and the bubbling pipe extends below the liquid level of a material liquid, wherein a first bubbling pipe 1 in the stirring bubbling device bends at a certain angle towards the center of a furnace body of the melting furnace, in the embodiment, the first bubbling pipe 1 is provided with a vertical section and an inclined section, an included angle between an extension line of the vertical section and the inclined section is a bending angle, the aperture at the tail end of the inclined section is 1.5mm, and two groups of bubbling devices are symmetrically arranged on the furnace body of the melting furnace. During operation, the upper end of the first bubbling pipe 1 is connected with compressed air through the quick connector and performs bubbling stirring on the feed liquid in the smelting furnace body, so that the stirring effect of the feed liquid in the smelting furnace body is improved.
When the bottom ejection of compact of smelting pot furnace body blockked up, the inlet pipe directly over the smelting pot furnace body export is changed into sparger through remote operation, this sparger's bubbling pipe adopts second bubbling pipe 8, utilize sparger's second bubbling pipe 8 to carry out clear stifled operation to the smelting pot furnace body export, the vertical degree of depth that stretches into the liquid level of second bubbling pipe 8 this moment is a certain position apart from bottom discharge gate top, in this embodiment, this position is close to bottom smelting pot furnace body export, usually 100mm ~ 300mm apart from smelting pot furnace body export, and the aperture of second bubbling pipe 8 is 6.0 mm.
The radioactive glass smelting furnace of this embodiment not only can solve glass product quality problem through adopting foretell bubbling device, can also be when the export of smelting furnace body blocks up, replaces the inlet pipe in the smelting furnace body for above-mentioned bubbling device, and the stirring of bubbling through the compressed air can in time clear up smelting furnace body bottom and block up, the effectual glass smelting furnace export that has solved blocks up the problem.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A bubbling device is characterized by comprising a bubbling pipe, an upper flange (2), a lower flange (6) and an insulating layer (3),
the insulating layer is clamped between the upper flange and the lower flange;
the bubbling pipe sequentially penetrates through the upper flange, the insulating layer and the lower flange, and is fixed on the upper flange;
the input end of the bubbling pipe is used for inputting compressed gas, and the output end of the bubbling pipe extends into the feed liquid of the smelting furnace.
2. The bubbling device according to claim 1, wherein the bubbling tube adopts a single-tube single-hole structure with an interlayer for reducing the heat of the feed liquid taken away by the compressed air when flowing in the bubbling tube;
still be provided with the coating on the bubbling pipe surface, the coating is graphite alkene, is used for preventing impurity in the feed liquid is in the outer surface of bubbling pipe gathers.
3. The bubbling device according to claim 2, wherein the bubbling tube is made of a nickel-based alloy material;
the insulating layer is made of alumina ceramics.
4. The bubbling device according to claim 1, wherein the bubbling tube comprises a vertical section and an inclined section, the vertical section is communicated with the inclined section, the inclined section is inclined towards the central position of the furnace, the included angle between the inclined section and the vertical section ranges from 160 degrees to 170 degrees, and the compressed gas enters the bubbling tube from the vertical section and is discharged from the inclined section;
the hole diameter of the inner hole of the inclined section is gradually reduced from a position 10-30mm away from the tail end of the inclined section to the tail end of the inclined section, and the hole diameter of the inner hole at the tail end of the inclined section is 1-3 mm.
5. The bubbling device according to claim 1, further comprising a connector disposed at an input end of the bubbling tube, the connector employing a quick connector for connecting the bubbling tube to a compressed gas supply device.
6. The bubbling device according to any one of claims 1-5, further comprising a fastening assembly for integrally connecting the upper flange, the insulating layer and the lower flange;
the number of the fastening components is multiple, and the fastening components are uniformly arranged on the outer side of the bubbling tube;
the fastening assembly comprises a screw, an anti-loosening element and a washer;
the head of a screw of the fastening assembly is arranged in a notch of the upper flange, and the screw sequentially penetrates through the anti-loosening element, the gasket, the insulating layer and the lower flange, or the head of the screw of the fastening assembly is arranged in a notch of the lower flange, and the screw sequentially penetrates through the anti-loosening element, the gasket, the insulating layer and the upper flange;
the anti-loosening piece adopts a disc spring.
7. The bubbling device according to claim 6, further comprising a sealing assembly comprising a refractory gasket and a composite gasket,
the fire-resistant gasket is arranged between the upper flange and the insulating layer and/or between the insulating layer and the lower flange, and the bubbling pipe penetrates through the fire-resistant gasket;
a clamping groove is formed in the lower end face, in contact with the furnace body of the smelting furnace, of the lower flange, the composite gasket is clamped in the clamping groove of the lower flange, and the bubbling pipe penetrates through the composite gasket;
the fire-resistant gasket is made of fire-resistant fiber paper;
the composite gasket is a metal-graphite wound gasket.
8. The bubbling device according to any one of claims 1-5, further comprising a remotely operated assembly comprising a locating pin, a lifting lug, a stud,
the lifting lug is arranged on the upper end face of the lower flange and used for lifting;
the positioning pin is arranged on the lower end face of the lower flange;
the lower flange is provided with a through hole, and the stud penetrates through the through hole to be connected with the smelting furnace.
9. A radioactive glass melting furnace comprising a furnace body and further comprising the bubbling device according to any one of claims 1 to 8, wherein the bubbling device is fixed on the upper end face of the furnace body, and the output end of a bubbling tube of the bubbling device extends below the liquid level of the feed liquid in the furnace body.
10. The radioactive glass melting furnace according to claim 9, further comprising a feed channel provided at a central position of the furnace body for feeding the feed liquid into the furnace body; the number of the bubbling devices is a plurality,
a feeding pipe is arranged in the feeding channel or a bubbling device is arranged in the feeding channel, a bubbling pipe of the bubbling device comprises a vertical section, the distance between an outlet of the vertical section and a discharge hole of the furnace body of the smelting furnace is 100-300mm,
the other bubbling devices are arranged around the outer side of the feeding channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202023153859.6U CN214781460U (en) | 2020-12-24 | 2020-12-24 | Bubbling device and radioactive glass melting furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023153859.6U CN214781460U (en) | 2020-12-24 | 2020-12-24 | Bubbling device and radioactive glass melting furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115784568A (en) * | 2022-12-01 | 2023-03-14 | 湖南洪康新材料科技有限公司 | Glass bubbling device and control method thereof |
| CN116282840A (en) * | 2023-03-15 | 2023-06-23 | 中核四川环保工程有限责任公司 | Method for establishing cold cap of high-level waste liquid glass-cured ceramic electric melting furnace |
-
2020
- 2020-12-24 CN CN202023153859.6U patent/CN214781460U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115784568A (en) * | 2022-12-01 | 2023-03-14 | 湖南洪康新材料科技有限公司 | Glass bubbling device and control method thereof |
| CN116282840A (en) * | 2023-03-15 | 2023-06-23 | 中核四川环保工程有限责任公司 | Method for establishing cold cap of high-level waste liquid glass-cured ceramic electric melting furnace |
| CN116282840B (en) * | 2023-03-15 | 2024-05-24 | 中核四川环保工程有限责任公司 | Method for establishing cold cap of high-level waste liquid glass-cured ceramic electric melting furnace |
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