CN205352093U - Burning furnace is baked over a slow fire to plutonium product drying - Google Patents
Burning furnace is baked over a slow fire to plutonium product drying Download PDFInfo
- Publication number
- CN205352093U CN205352093U CN201521039208.0U CN201521039208U CN205352093U CN 205352093 U CN205352093 U CN 205352093U CN 201521039208 U CN201521039208 U CN 201521039208U CN 205352093 U CN205352093 U CN 205352093U
- Authority
- CN
- China
- Prior art keywords
- crystal fibre
- electric furnace
- heating wire
- product drying
- furnace heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model relates to an irradiated fuel reprocessing technical field specifically discloses a burning furnace is baked over a slow fire to plutonium product drying. Should bake burning furnace over a slow fire and include furnace, crystal fibre, wire spiral and shell, wherein, furnace is both ends open -ended cylinder section of thick bamboo structure, and its diameter slightly is greater than calcination cup diameter, has spiral helicine wire spiral in the outside winding of furnace to it has the crystal fibre to fill between the shell of furnace and cylinder tube -shape, the furnace body upper end cover passes through flange and shell fixed connection to fill between crystal fibre, furnace and furnace body upper end cover and install discoid crystal fibre heat insulating board. A burning furnace is baked over a slow fire to plutonium product drying, it is equipped with ventilation, physics isolating measures to adopt lighter furnace body, conveniently bake burning furnace's installation, maintenance over a slow fire, and reduce the maintenance personal and get into and shine the radioactivity of maintainer when the box is inside on the plutonium tail end hot laboratory cave overhauls.
Description
Technical field
This utility model belongs to spentnuclear fuel post-processing technology field, is specifically related to a kind of plutonium product drying roaster.
Background technology
Spent fuel reprocessing process production line plutonium tail end primary plutonium product water content is higher, plutonium product must be carried out drying and processing, needing a kind of equipment that plutonium product carries out drying and processing, this equipment requirements body of heater has irradiation corrosion-resistant, resistance to, and insulation material is lightweight, the feature of good heat insulating.Owing to body of heater stove silk and rustless steel plutonium product Heating Cup spacing are less, it is desirable to stove silk will not elastic deformation in heating, cooling procedure, it is to avoid stove silk contacts with rustless steel plutonium product Heating Cup and causes ground connection.
Summary of the invention
The purpose of this utility model is in that to provide a kind of plutonium product drying roaster, it is keeping ventilation, physical isolation measure, is avoiding under the premise that radgas leaks, adopt lighter body of heater, facilitate the installation of roaster, maintenance, and reduce when maintainer enters plutonium tail end hot cell upper box internal overhaul the radio exposure to maintainer.
The technical solution of the utility model is as follows: a kind of plutonium product drying roaster, this roaster includes burner hearth, crystal fibre, electric furnace heating wire and shell, wherein, burner hearth is the cylindrical structure of both ends open, its diameter is slightly larger than roasting cup diameter, outside burner hearth, it is wound with spiral helicine electric furnace heating wire, and between burner hearth and the shell of cylindrical tube shape, is filled with crystal fibre；Body of heater upper end cover is connected by flange and shell are fixing, and filling is provided with discoid crystal fibre thermal insulation board between crystal fibre, burner hearth and body of heater upper end cover.
The two ends of described electric furnace heating wire and electric furnace heating wire lead-out wire are welded and fixed, the traverse of electric furnace heating wire lead-out wire is fixed on the electric furnace heating wire lead-out wire porcelain bushing of crystal fibre thermal insulation board and body of heater upper end cover, and utilize the carborundum insulation board in the rosette installed on body of heater upper end cover, it is achieved fixing electric furnace heating wire lead-out wire.
Described body of heater upper end cover is also drawn furnace chamber exhaustor is installed, and the exhaust port of inner conical is installed at furnace chamber exhaustor leading portion.
Described shell lower end is fixed on roaster base, and crystal fibre lower end is fixed on roaster base by crystal fibre mounting flange.
Described crystal fibre thermal insulation board center has circular hole, its with body of heater upper end cover on roasting cup exhaust line perforation in the exhaustor installed and thermocouple fixing base match.
Described roaster base is weldingly fixed on lower box rustless steel flush coat, and on upper lower box rustless steel flush coat, also it is installed with the fixing connecting rod base of body of heater, the fixing connecting rod one end of body of heater is fixing with the body of heater fixed card slot on shell to be connected, the other end is fixed with the fixing connecting rod base of body of heater, it is achieved roaster reliably fixing on upper lower box rustless steel flush coat.
Described roasting cup exhaust line perforation is fixed with the roasting cup exhaustor of roasting cup upper end；Described roasting cup penetrates to burner hearth from the lower box below upper lower box rustless steel flush coat, and the roasting cup exhaustor of roasting cup upper end is through the circular hole at crystal fibre thermal insulation board center, draws fixing from the perforation of roasting cup exhaust line；The roasting cup exhaustor of rustless steel roasting cup is enclosed with the semicircle exhaust pipe mouth metal sealing sheet of each two panels up and down, and has asbestos insulation rope at central filler.
Described burner hearth position rustless steel cylindrical structure, it adopts 316L stainless steel, thickness δ to be 6mm.
Described crystal fibre adopts vacuum-sintering one-shot forming with electric furnace heating wire, and electric furnace heating wire exposes crystal fibre surface 0.8～1mm, it is achieved crystal fibre fixing electric furnace heating wire.
Described electric furnace heating wire is diameter Ф 6.5, material is the high temperature nickel-chromium resistance wire of 0Cr20Ni80, resistance wire cold-state resistance 14 Ω；Crystal fibre and crystal fibre thermal insulation board are the F-1260 crystal fibre that Mo Gen crystal fibre company limited of Germany produces.
Remarkable result of the present utility model is in that: a kind of plutonium product drying roaster described in the utility model, it is provided with ventilation, physical isolation measure, and adopt lighter body of heater, facilitate the installation of roaster, maintenance, and reduce when maintainer enters plutonium tail end hot cell upper box internal overhaul the radio exposure to maintainer.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of plutonium product drying roaster described in the utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the overall structure schematic diagram of the plutonium product drying roaster being provided with roasting cup；
In figure: 1, burner hearth；2, exhaustor and thermocouple fixing base；3, crystal fibre thermal insulation board；4, flange；5, hanger；6, crystal fibre；7, shell；8, electric furnace heating wire；9, electric furnace heating wire lead-out wire porcelain bushing；10, electric furnace heating wire lead-out wire；11, crystal fibre mounting flange；12, roaster base；13, body of heater fixed card slot；14, body of heater upper end cover；15, thermocouple mounting hole；16, roasting cup exhaust line perforation；17, furnace chamber exhaustor；18, exhaust port；19, roasting cup；20, concrete；21, roasting cup air inlet pipe；22, roasting cup exhaustor；23, upper lower box rustless steel flush coat；24, the fixing connecting rod base of body of heater；25, the fixing connecting rod of body of heater；26, rosette.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, this utility model is described in further detail.
As shown in Figures 1 to 3, a kind of plutonium product drying roaster, including burner hearth 1, crystal fibre 6, electric furnace heating wire 8 and shell 7, wherein, burner hearth 1 is the rustless steel cylindrical structure of both ends open, and its diameter is slightly larger than the diameter of roasting cup 19, burner hearth 1 adopts 316L stainless steel, thickness δ to be 6mm；Spiral helicine electric furnace heating wire 8 it is wound with outside burner hearth 1, and between the shell 7 of burner hearth 1 and cylindrical tube shape, it is filled with crystal fibre 6, crystal fibre 6 and electric furnace heating wire 8 adopt vacuum-sintering one-shot forming, and electric furnace heating wire 8 exposes crystal fibre surface 0.8～1mm, realize crystal fibre 6 fixing electric furnace heating wire 8, wherein, the high temperature nickel-chromium resistance wire of electric furnace heating wire 8 to be diameter Ф 6.5, material be 0Cr20Ni80, resistance wire cold-state resistance 14 Ω；Crystal fibre 6 is the F-1260 crystal fibre that Mo Gen crystal fibre company limited of Germany produces；Shell 7 lower end is fixed on roaster base 12, and crystal fibre 6 lower end is fixed on roaster base 12 by crystal fibre mounting flange 11；Body of heater upper end cover 14 is connected by flange 4 is fixing with shell 7, and filling is provided with discoid crystal fibre thermal insulation board 3 between crystal fibre 6, burner hearth 1 and body of heater upper end cover 14, have circular hole at crystal fibre thermal insulation board 3 center, its with body of heater upper end cover 14 on roasting cup exhaust line perforation 16 in the exhaustor installed and thermocouple fixing base 2 match；The two ends of electric furnace heating wire 8 and electric furnace heating wire lead-out wire 10 are welded and fixed, electric furnace heating wire lead-out wire 10 traverse is fixed on the electric furnace heating wire lead-out wire porcelain bushing 9 of crystal fibre thermal insulation board 3 and body of heater upper end cover 14, and utilize the carborundum insulation board in the rosette 27 installed on body of heater upper end cover 14, it is achieved fixing electric furnace heating wire lead-out wire 10；Body of heater upper end cover 14 is also drawn furnace chamber exhaustor 17 is installed, and the exhaust port 18 of inner conical is installed at furnace chamber exhaustor 17 leading portion；The roaster base 12 of whole roaster is weldingly fixed on lower box rustless steel flush coat 23, and upper lower box rustless steel flush coat 23 intermediate layer is concrete 20 structure, upper lower box rustless steel flush coat 23 is also installed with the fixing connecting rod base 24 of body of heater, fixing connecting rod 25 one end of body of heater is fixing with the body of heater fixed card slot 13 on shell 7 to be connected, the other end is fixed with the fixing connecting rod base 24 of body of heater, it is achieved roaster reliably fixing on upper lower box rustless steel flush coat 23；Roasting cup 19 penetrates to burner hearth 1 from the lower box below upper lower box rustless steel flush coat 23, and the roasting cup exhaustor 22 of roasting cup 19 upper end is through the circular hole at crystal fibre thermal insulation board 3 center, fixing from roasting cup exhaust line perforation 16 extraction；The roasting cup exhaustor 22 of rustless steel roasting cup 19 is enclosed with the semicircle exhaust pipe mouth metal sealing sheet of each two panels up and down, and has asbestos insulation rope at central filler；Roasting cup air inlet pipe 21 is fixing with roasting cup 19 to be connected, and is positioned at the lower section of lower box rustless steel flush coat 23.
Claims (10)
1. a plutonium product drying roaster, it is characterized in that: this roaster includes burner hearth (1), crystal fibre (6), electric furnace heating wire (8) and shell (7), wherein, the cylindrical structure that burner hearth (1) is both ends open, its diameter is slightly larger than roasting cup (19) diameter, it is wound with spiral helicine electric furnace heating wire (8) in burner hearth (1) outside, and between the shell (7) of burner hearth (1) and cylindrical tube shape, is filled with crystal fibre (6)；Body of heater upper end cover (14) is connected by flange (4) and shell (7) are fixing, and filling is provided with discoid crystal fibre thermal insulation board (3) between crystal fibre (6), burner hearth (1) and body of heater upper end cover (14).
2. a kind of plutonium product drying roaster according to claim 1, it is characterized in that: the two ends of described electric furnace heating wire (8) and electric furnace heating wire lead-out wire (10) are welded and fixed, electric furnace heating wire lead-out wire (10) traverse is fixed on electric furnace heating wire lead-out wire porcelain bushing (9) of crystal fibre thermal insulation board (3) and body of heater upper end cover (14), and utilize the carborundum insulation board in the rosette (27) installed on body of heater upper end cover (14), it is achieved fixing electric furnace heating wire lead-out wire (10).
3. a kind of plutonium product drying roaster according to claim 1, it is characterized in that: described body of heater upper end cover (14) is also drawn furnace chamber exhaustor (17) is installed, and the exhaust port (18) of inner conical is installed at furnace chamber exhaustor (17) leading portion.
4. a kind of plutonium product drying roaster according to claim 1, it is characterized in that: described shell (7) lower end is fixed on roaster base (12), crystal fibre (6) lower end is fixed on roaster base (12) by crystal fibre mounting flange (11).
5. a kind of plutonium product drying roaster according to claim 1, it is characterized in that: described crystal fibre thermal insulation board (3) center has circular hole, it matches with roasting cup exhaust line perforation (16) in the upper exhaustor installed of body of heater upper end cover (14) and thermocouple fixing base (2).
6. a kind of plutonium product drying roaster according to claim 4, it is characterized in that: described roaster base (12) is weldingly fixed on lower box rustless steel flush coat (23), and on upper lower box rustless steel flush coat (23), also it is installed with the fixing connecting rod base (24) of body of heater, body of heater fixes that connecting rod (25) one end and the body of heater fixed card slot (13) on shell (7) are fixing to be connected, the other end is fixed with the fixing connecting rod base (24) of body of heater, it is achieved roaster reliably fixing on upper lower box rustless steel flush coat (23).
7. a kind of plutonium product drying roaster according to claim 5, it is characterised in that: described roasting cup exhaust line perforation (16) is fixed with roasting cup exhaustor (22) of roasting cup (19) upper end；Described roasting cup (19) penetrates to burner hearth (1) from the lower box of upper lower box rustless steel flush coat (23) lower section, and roasting cup exhaustor (22) of roasting cup (19) upper end is through the circular hole at crystal fibre thermal insulation board (3) center, draw fixing from roasting cup exhaust line perforation (16)；Roasting cup exhaustor (22) of rustless steel roasting cup (19) is enclosed with the semicircle exhaust pipe mouth metal sealing sheet of each two panels up and down, and has asbestos insulation rope at central filler.
8. any one plutonium product drying roaster according to claims 1 to 7, it is characterised in that: described burner hearth (1) position rustless steel cylindrical structure, it adopts 316L stainless steel, thickness δ to be 6mm.
9. any one plutonium product drying roaster according to claims 1 to 7, it is characterized in that: described crystal fibre (6) adopts vacuum-sintering one-shot forming with electric furnace heating wire (8), and electric furnace heating wire (8) exposes crystal fibre surface 0.8～1mm, it is achieved crystal fibre (6) fixing electric furnace heating wire (8).
10. any one plutonium product drying roaster according to claims 1 to 7, it is characterised in that: described electric furnace heating wire (8) is diameter Ф 6.5, material is 0Cr20Ni80, the high temperature nickel-chromium resistance wire of resistance wire cold-state resistance 14 Ω；Crystal fibre (6) and crystal fibre thermal insulation board (3) are the F-1260 crystal fibre that Mo Gen crystal fibre company limited of Germany produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039208.0U CN205352093U (en) | 2015-12-15 | 2015-12-15 | Burning furnace is baked over a slow fire to plutonium product drying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039208.0U CN205352093U (en) | 2015-12-15 | 2015-12-15 | Burning furnace is baked over a slow fire to plutonium product drying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205352093U true CN205352093U (en) | 2016-06-29 |
Family
ID=56153421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521039208.0U Active CN205352093U (en) | 2015-12-15 | 2015-12-15 | Burning furnace is baked over a slow fire to plutonium product drying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205352093U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885473A (en) * | 2015-12-15 | 2017-06-23 | 中核四○四有限公司 | Plutonium product drying roaster |
-
2015
- 2015-12-15 CN CN201521039208.0U patent/CN205352093U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885473A (en) * | 2015-12-15 | 2017-06-23 | 中核四○四有限公司 | Plutonium product drying roaster |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205352093U (en) | Burning furnace is baked over a slow fire to plutonium product drying | |
| CN205170926U (en) | Vertical quenching furnace | |
| CN205695277U (en) | A kind of energy-saving electric oven preventing heat to scatter and disappear | |
| CN106885473A (en) | Plutonium product drying roaster | |
| CN201377984Y (en) | Heating furnace capable of controlling non-uniform heating-up of structural column | |
| CN103727752B (en) | Device for roasting non-setting materials in natural-circulation mode through heated heat conduction oil | |
| CN201737985U (en) | Energy-saving steel wire thermal treatment furnace | |
| CN205782797U (en) | A kind of Microwave-assisted firing steam oven | |
| CN202254257U (en) | Conductive heating box | |
| CN204580884U (en) | Secondary steam heater in steam cooking system | |
| CN201047622Y (en) | Flat-concave dual-purpose electromagentic furnace | |
| CN208595718U (en) | A kind of tower photo-thermal power station fused salt heat dump heat insulation structure | |
| CN105400934A (en) | Vertical type hardening furnace | |
| CN102502486A (en) | Gas heating radiation type ammonia decomposition furnace | |
| CN201232077Y (en) | Passageway heating cover for producing titanium sponge | |
| CN205860477U (en) | A kind of continuous casting production loose tool burner | |
| CN200940996Y (en) | Horizontal prheating furnace having multi-stage crystal electrothermal tubes | |
| CN205808113U (en) | A kind of annealing device of high temperature resistant brick | |
| CN106653232A (en) | Drying apparatus | |
| CN208059444U (en) | A kind of high reliability porcelain base quick drying device | |
| CN204651090U (en) | A kind of enamel wire drying oven | |
| CN105240878B (en) | A kind of cast iron electric furnace pan | |
| CN217088181U (en) | High-temperature baking structure for vacuum pipeline | |
| CN209234989U (en) | A kind of heating electronic cigarette | |
| CN208794473U (en) | A kind of water injection pipe gas furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |