CN110345753A - Rotary calcining furnace - Google Patents
Rotary calcining furnace Download PDFInfo
- Publication number
- CN110345753A CN110345753A CN201910649958.6A CN201910649958A CN110345753A CN 110345753 A CN110345753 A CN 110345753A CN 201910649958 A CN201910649958 A CN 201910649958A CN 110345753 A CN110345753 A CN 110345753A
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- Prior art keywords
- rotary calcining
- calcining furnace
- boiler tube
- furnace according
- rotary
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- 238000001354 calcination Methods 0.000 title claims abstract description 76
- 239000007788 liquid Substances 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910002804 graphite Inorganic materials 0.000 claims description 9
- 239000010439 graphite Substances 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 17
- 239000011521 glass Substances 0.000 abstract description 16
- 238000007711 solidification Methods 0.000 abstract description 13
- 230000008023 solidification Effects 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 12
- 239000010808 liquid waste Substances 0.000 abstract description 7
- 230000002285 radioactive effect Effects 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 13
- 239000007787 solid Substances 0.000 description 6
- 238000007792 addition Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 229910008894 U—Mo Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002927 high level radioactive waste Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/10—Rotary-drum furnaces, i.e. horizontal or slightly inclined internally heated, e.g. by means of passages in the wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/32—Arrangement of devices for charging
- F27B7/3205—Charging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/33—Arrangement of devices for discharging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/34—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/42—Arrangement of controlling, monitoring, alarm or like devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The present invention provides a kind of rotary calcining furnaces.The rotary calcining furnace includes boiler tube, heating element and liquid feedstock mixer for liquid, the liquid feedstock mixer for liquid includes mixed liquid container, spoiler and fixing piece, the mixed liquid container is equipped with feed opening and inlet, and the spoiler is fixed on inside the mixed liquid container by the fixing piece.Rotary calcining furnace design of the invention is more perfect, it is functional, it is easy to operate, the problems such as uneven material in radioactive liquid waste rotary calcining treatment process, boiler tube inner wall bonding, blocking can preferably be solved, industrialized production easy to accomplish, the two-step method cold crucible glass solidification technology for China, which develops and improves, provides technical guarantee.
Description
Technical field
The invention belongs to radioactive liquid waste process field, in particular to a kind of rotary calcining furnace.
Background technique
Cold crucible glass solidification technology is to be used for the glass solidification technology of new generation of Radwastes treatment in the world at present,
It utilizes induction coil by high frequency current transitions at electromagnetic current, generates heat by the vortex that electromagnetic current is formed in material, real
The heating melting of existing treating material.
Cold crucible glass solidification device is mainly made of high frequency induction power supply, cold crucible furnace body and other auxiliary systems,
The round or ellipse container that middle cold crucible furnace body is made of the metal arc block or pipe of leading to cooling water.When work, metal tube
Interior continuously to lead to cooling water, the temperature of fusant may be up to 2000 DEG C or more in crucible, but sidewall of crucible still keeps lower temperature (general
Less than 200 DEG C), the solid glass shell (i.e. cold wall) of one layer of 2-3cm thickness of sidewall of crucible low-temperature region formation nearby at this time, therefore it is this
Glass solidification device is referred to as " cold crucible ".Compared with other glass solidification technologies, the most important advantage of cold crucible technology is
Glass melting temperature is high, can handle that type of waste is wide, and furnace life is long (being greater than 20a), retired to be easy, and is a kind of more advanced glass
Curing technology is more suitable for the needs of the long-term continuous operation of reprocessing plant.It is ground currently, carrying out cold crucible glass solidification technology in the world
There are France, Britain, the U.S., India, South Korea and China etc. in the country of hair.French high activity liquid waste cold crucible glass solidification technology development
It is most fast, the two-step method cold crucible glass solidification industry park plan production of U-Mo high-level waste is realized in 2012-2013.
Since cold crucible volume is smaller, high activity liquid waste can be turned into shape extremely in advance by being equipped with a rotary calcining furnace
It is powdered, therefore the capital equipment of two-step method cold crucible glass solidification technology includes rotary calcining furnace and cold crucible crucible body.Currently, method
Rotary calcining furnace longest 3250mm, the diameter 250mm of state and Britain, using four sections of heating methods.The rotary calcining furnace superintendent of India
2000mm, diameter 150mm, using three sections of heating methods.Since the process object of rotary calcining furnace is radioactivity feed liquid,
It to the more demanding of airtightness in operational process, while also needing to guarantee that material output channel is smooth, utmostly reduces material
Hold-up.For this purpose, the rotary calcining furnace of France and Britain is sealed using graphite annulus, the soft stirring rod of setting, passes through in furnace
Agitating mode improves material uniformity, guarantees that material output channel is smooth；India is by the way of being arranged stainless steel ball to calcining
Object is crushed, and material uniformity is improved, and guarantees that material output channel is smooth.
Currently, China not yet grasps glass solidification rotary calcining furnace technology, it there is no mature rotary calcining furnace available, it is right
The cold crucible glass solidification technology in China, which develops and improves, forms obvious restrict.
Summary of the invention
To solve the problems, such as that China there is no mature rotary calcining furnace for radioactive liquid waste processing, the present invention provides one
Kind rotary calcining furnace.
The rotary calcining furnace includes boiler tube, heating element and liquid feedstock mixer for liquid, and the liquid feedstock mixer for liquid includes
Mixed liquid container, spoiler and fixing piece, the mixed liquid container are equipped with feed opening and inlet, and the spoiler passes through described solid
Determine part to be fixed on inside the mixed liquid container.
According to one embodiment, the rotary calcining furnace includes motor, is equipped between the motor and the boiler tube
Transmission parts.
According to one embodiment, the transmission parts are gear transmission part, rack-driving component, wheel and rack combination
Transmission parts, the transmission parts of the types such as belt drive part.
According to one embodiment, preceding hopper is equipped between the liquid feedstock mixer for liquid and the boiler tube.
According to one embodiment, the preceding hopper is equipped with feed inlet.
According to one embodiment, the feed inlet is connected with the inlet.
According to one embodiment, the preceding hopper is equipped with exhaust port.
According to one embodiment, the first flexible connecting member is equipped between the preceding hopper and the boiler tube.
According to one embodiment, first flexible connecting member is cage universal joint.
According to one embodiment, first flexible connecting member is bellows.
According to one embodiment, the first sealing ring is equipped between the bellows and the boiler tube.
According to one embodiment, first sealing ring is graphite annulus.
According to one embodiment, the feed end of the boiler tube is equipped with feed pipe.
According to one embodiment, one end of the feed pipe is protruded into the boiler tube, and the other end is connected with the feed inlet
It connects.
According to one embodiment, the boiler tube axis is equipped with temperature tube.
According to one embodiment, thermocouple is equipped in the temperature tube.
According to one embodiment, suspention has scraper component on the temperature tube.
According to one embodiment, the shape of the scraper component is screw shaped.
According to one embodiment, the scraper component is suspended on the temperature tube by suspension member.
According to one embodiment, sliding contact is used between the suspension member and the temperature tube.
According to one embodiment, the discharge end of the boiler tube is equipped with feed box.
According to one embodiment, the second flexible connecting member is equipped between the feed box and the boiler tube.
According to one embodiment, second flexible connecting member is cage universal joint.
According to one embodiment, second flexible connecting member is bellows.
According to one embodiment, the second sealing ring is equipped between the bellows and the boiler tube.
According to one embodiment, second sealing ring is graphite annulus.
According to one embodiment, the feed box is equipped with discharge port.
According to one embodiment, the discharge port is equipped with electronic rotation valve.
According to one embodiment, muff is equipped with outside the boiler tube.
According to one embodiment, temperature-measuring part is equipped with outside the boiler tube.
According to one embodiment, the temperature-measuring part is thermocouple.
According to one embodiment, the rotary calcining furnace uses boiler tube support roller.
Rotary calcining furnace design of the invention is more perfect, functional, easy to operate, can preferably solve Spent Radioactive
The problems such as material is uneven in liquid rotary calcining treatment process, boiler tube inner wall bonds, blocking, industrialized production easy to accomplish is
The two-step method cold crucible glass solidification technology in China, which develops and improves, provides technical guarantee.
Detailed description of the invention
Fig. 1 is the rotary calcining furnace structure schematic diagram according to the embodiment of the present invention.
Appended drawing reference: 1. spoilers, 2. mixed liquid containers, hopper before 3., 4. exhaust ports, 5. first flexible connecting members,
6. the first sealing ring, 7. transmission parts, 8. boiler tubes, 9. muffs, 10. heating elements, 11. temperature-measuring parts, 12. temperature tubes, 13.
Second sealing ring, 14. second flexible connecting members, 15. feed boxes, 16. discharge ports, 17. boiler tube support rollers, 18. suspension members, 19.
Scraper component, 20. feed pipes, 21. motor, 22. feed inlets, 23. inlets, 24. fixing pieces, 25. feed openings.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.Illustrating
In book, the same or similar drawing reference numeral indicates the same or similar component.
In the following detailed description, for convenient for explain, elaborate many concrete details with provide to the present invention implement
The comprehensive understanding of example.It should be apparent, however, that one or more embodiments without these specific details can also be by reality
It applies.In other cases, well known construction and device is diagrammatically embodied to simplify attached drawing.
Although in conjunction with attached drawing, the present invention is described, and embodiment disclosed in attached drawing is intended to reality of the invention
The mode of applying illustrates, and should not be understood as to a kind of limitation of the invention.In order to be clearly shown all parts
Details, what all parts in attached drawing were not necessarily drawn to scale, so the ratio of all parts in attached drawing also should not be used as
A kind of limitation.
Rotary calcining furnace of the invention includes boiler tube 8, heating element 10 and liquid feedstock mixer for liquid, and the liquid feedstock is mixed
Liquid device includes mixed liquid container 2, spoiler 1 and fixing piece 24, and the mixed liquid container 2 is equipped with feed opening 25 and inlet 23, institute
Spoiler 1 is stated to be fixed on inside the mixed liquid container 2 by the fixing piece 24.Due to using liquid feedstock mixer for liquid, make
Feed liquid is obtained to be thoroughly mixed under the comprehensive function of 1 flow-disturbing of itself impact flow and spoiler uniformly before entering boiler tube 8, and
Make that a degree of reaction occurs between the fractions of feed liquid in advance, is effectively reduced during rotary calcining due to material group
Gather and lead to hot-spot, in turn result in the problem of 8 inner wall of boiler tube bonding even blocks boiler tube 8, is the length of rotary calcining equipment
Phase stable operation provides good Process ba- sis.
According to an example, the feed opening 25 is multiple, the addition respectively for different material.
According to an example, the spoiler 1 be it is multiple, to improve flow-disturbing effect.
According to an example, the fixing piece 24 is fixed link, convenient for the fixation to spoiler 1.
According to an example, the spoiler 1 divides to be multipair, and each pair of spoiler is symmetrically distributed in the fixed link two
Side further increases flow-disturbing effect.
According to an example, the spoiler 1 is radially alternately distributed in an angle of 90 degrees in the fixed link, to improve feed liquid
Mixing uniformity.
According to an example, the heating element 10 is resistance wire, for the electric heating to boiler tube 8.
According to an example, the rotary calcining furnace includes motor 21, is set between the motor 21 and the boiler tube 8
There are transmission parts 7, the power of motor 21 is transferred to boiler tube 8 by transmission parts 7, boiler tube 8 is enabled to rotate and keep material uniform
It is heated.
According to an example, the transmission parts 7 are gear transmission part, rack-driving component, wheel and rack combination
Transmission parts, the transmission parts of the types such as belt drive part transmit rotary motion by similar transmission parts.
According to an example, preceding hopper 3 is equipped between the liquid feedstock mixer for liquid and the boiler tube 8, for being connected liquid
Body feeds mixer for liquid and boiler tube 8, and provides basis for the setting of multiple interfaces.
According to an example, the preceding hopper 3 is equipped with feed inlet 22, for feeding into boiler tube 8.
According to an example, the feed inlet 22 is connected with the inlet 23, will mix in liquid feedstock mixer for liquid
Good feed liquid is delivered to boiler tube 8.
According to an example, the preceding hopper 3 is equipped with exhaust port 4, generates for discharging in revolution calcination process
Tail gas.
According to an example, the first flexible connecting member 5 is equipped between the preceding hopper 3 and the boiler tube 8, before connecting
Hopper 3 and boiler tube 8, it is ensured that boiler tube 8 smoothly realizes rotary motion during rotary calcining.
According to an example, first flexible connecting member 5 is cage universal joint.Hopper before being connected using cage universal joint
3 with boiler tube 8, better dynamic sealing effect can be realized while ensuring 8 rotary work of boiler tube, preferably ensure that revolution
The radioactivity tail gas generated in calcination process will not be revealed, and especially generate a degree of opposite position in preceding hopper 3 and boiler tube 8
It still is able to guarantee good dynamic sealing effect when shifting, while radioactivity tail gas caused by wearing because of sealing material will not occur
Leakage problem, therefore radioactive sealed mode is related to significant progress relative to traditional on dynamic sealing effect.
According to an example, first flexible connecting member 5 is bellows.Connect for preceding hopper 3 and the flexible of boiler tube 8
It connects.
According to an example, the first sealing ring 6 is equipped between the bellows and the boiler tube 8.For bellows and furnace
Sealing between pipe 8.
According to an example, first sealing ring 6 is graphite annulus.Used graphite annulus have good high temperature resistant and
Good dynamic sealing effect may be implemented in wear-resisting property.
According to an example, the feed end of the boiler tube 8 is equipped with feed pipe 20, convenient for the addition of feed liquid.
According to an example, one end of the feed pipe 20 is protruded into the boiler tube 8, the other end and 22 phase of feed inlet
Connection, the appropriate location in boiler tube 8 can be accurately added to so as to feed liquid.
According to an example, 8 axis of boiler tube is equipped with temperature tube 12, can not interfere the other portions of rotary calcining furnace
It is accurate to measure 8 internal temperature of boiler tube in the case that part operates normally and material is normally handled, it is mentioned for the temperature control of rotary calcining
For precise information.
According to an example, thermocouple, the precise measurement for temperature are equipped in the temperature tube 12.
According to an example, suspention has scraper component 19 on the temperature tube 12.During rotary calcining, feed liquid by
Gradually turning shape after heat is that solid matter still suffers from part solid matter and be bonded in boiler tube 8 even if the material liquid component being added is uniform
On inner wall, the discharge of material is influenced.The scraper component 19 of suspention be not necessarily to extra power in the case where, be only with the gravity of itself
Active force can be applied to the solid matter being bonded on 8 inner wall of boiler tube during boiler tube 8 rotates, realization has adhesive
Effect is struck off.There is especially important meaning for the radioactive substance processing under sealing state.
According to an example, the shape of the scraper component 19 is screw shaped.With the rotation of boiler tube 8, screw shaped is scraped
Material component 19 can apply on the whole the adhesive on 8 inner wall of boiler tube and uniformly strike off power, and it is stronger to strike off power, can obtain good
Good scraping effect.
According to an example, the scraper component 19 is suspended on the temperature tube 12 by suspension member 18, for scraping
Expect the suspention of component 19.
According to an example, sliding contact is used between the suspension member 18 and the temperature tube 12, is convenient for suspention portion
Part 18 freely swings.
According to an example, the discharge end of the boiler tube 8 is equipped with feed box 15, the discharge for material.
According to an example, the second flexible connecting member 14 is equipped between the feed box 15 and the boiler tube 8, for connecting
Feed box 15 and boiler tube 8, it is ensured that boiler tube 8 smoothly realizes rotary motion during rotary calcining.
According to an example, second flexible connecting member 14 is cage universal joint.It is acted on and aforementioned preceding hopper 3 and furnace
The cage universal joint effect being arranged between pipe 8 is essentially identical.
According to an example, second flexible connecting member 14 is bellows.Connect for feed box 15 and the flexible of boiler tube 8
It connects.
According to an example, the second sealing ring 13 is equipped between the bellows and the boiler tube 8.For bellows and furnace
Sealing between pipe 8.
According to an example, second sealing ring 13 is graphite annulus.Used graphite annulus has good high temperature resistant
And wear-resisting property, good dynamic sealing effect may be implemented.
According to an example, the feed box 15 is equipped with discharge port 16, is discharged from feed box 15 convenient for material.
According to an example, the discharge port 16 is equipped with electronic rotation valve, is discharged convenient for control material from discharge port 16
Speed.
According to an example, muff 9, the heat preservation for boiler tube 8 are equipped with outside the boiler tube 8.
According to an example, temperature-measuring part 11 is equipped with outside the boiler tube 8, for measuring 8 outside wall temperature of boiler tube.
According to an example, the temperature-measuring part 11 is thermocouple, the precise measurement for temperature.
According to an example, the rotary calcining furnace uses boiler tube support roller 17, can be in the feelings for ensuring that boiler tube 8 smoothly rotates
The support to boiler tube 8 is realized under condition.
Rotary calcining processing is carried out to certain batch high activity liquid waste using rotary calcining furnace of the invention, main process is such as
Under:
(1) 8 inclination angle of boiler tube is adjusted, motor 21 is opened and boiler tube 8 is enabled to rotate, heating element 10 is opened and boiler tube 8 is carried out
Heating.
(2) high activity liquid waste and other additions are added into mixed liquid container 2 by the feed opening 25 of liquid feedstock mixer for liquid
Agent, the mixed liquor of formation are thoroughly mixed uniformly after flowing through each spoiler 1 and a degree of reaction occur.
(3) mixed liquor enters in the boiler tube 8 of rotation through inlet 23, feed inlet 22, feed pipe 20, in heated portion
It is heated in the boiler tube 8 that part 10 heats, gradually removes moisture and other gasification ingredient and turn shape, the material after turning in shape and turning shape exists
Become loose, broken under the active force that scraper component 19 applies, and is scraped off from 8 inner wall of boiler tube, the radioactivity tail gas of generation
Exhaust gas recovery system recycling is delivered to by the exhaust port 4 on preceding hopper 3.
(4) under the rotation of boiler tube 8, the material for sufficiently turning shape falls into feed box 15, and the discharge port 16 through feed box 15 is complete
At discharging.
Rotary calcining the result shows that: used liquid feedstock mixer for liquid and scraper component preferably solve rotary calcining mistake
In journey the problems such as boiler tube inner wall bonding, blocking, the solid matter being bonded on boiler tube inner wall can effectively be struck off；Boiler tube
It is run during rotary calcining smooth, can be realized operation steady in a long-term；Used flexible connecting member dynamic sealing effect
Well, any exhaust gas leak is not generated during whole service.
Although some embodiments of general plotting have been shown and have illustrated according to the present invention, however, ordinary skill
Personnel should be understood that in the case where the principle and spirit without departing substantially from the present general inventive concept, can make to these embodiments
Change, the scope of the present invention is limited with claim and their equivalent.
Claims (32)
1. a kind of rotary calcining furnace, it is characterised in that: the rotary calcining furnace includes that boiler tube, heating element and liquid feedstock mix liquid
Device, the liquid feedstock mixer for liquid include mixed liquid container, spoiler and fixing piece, and the mixed liquid container is equipped with feed opening and confession
Material mouth, the spoiler are fixed on inside the mixed liquid container by the fixing piece.
2. rotary calcining furnace according to claim 1, it is characterised in that: the rotary calcining furnace includes motor, described
Transmission parts are equipped between motor and the boiler tube.
3. rotary calcining furnace according to claim 2, it is characterised in that: the transmission parts are gear transmission part, tooth
Transmission parts, wheel and rack combine transmission parts or belt drive part.
4. rotary calcining furnace according to claim 1, it is characterised in that: the liquid feedstock mixer for liquid and the boiler tube it
Between be equipped with preceding hopper.
5. rotary calcining furnace according to claim 4, it is characterised in that: the preceding hopper is equipped with feed inlet.
6. rotary calcining furnace according to claim 5, it is characterised in that: the feed inlet is connected with the inlet.
7. rotary calcining furnace according to claim 4, it is characterised in that: the preceding hopper is equipped with exhaust port.
8. according to the described in any item rotary calcining furnaces of claim 4-7, it is characterised in that: the preceding hopper and the boiler tube it
Between be equipped with the first flexible connecting member.
9. rotary calcining furnace according to claim 8, it is characterised in that: first flexible connecting member is that cage is universal
Section.
10. rotary calcining furnace according to claim 8, it is characterised in that: first flexible connecting member is bellows.
11. rotary calcining furnace according to claim 10, it is characterised in that: be equipped between the bellows and the boiler tube
First sealing ring.
12. rotary calcining furnace according to claim 11, it is characterised in that: first sealing ring is graphite annulus.
13. according to the described in any item rotary calcining furnaces of claim 5-7, it is characterised in that: the feed end of the boiler tube is equipped with
Feed pipe.
14. rotary calcining furnace according to claim 13, it is characterised in that: the boiler tube is protruded into one end of the feed pipe
Interior, the other end is connected with the feed inlet.
15. -7,9-12,14 described in any item rotary calcining furnaces according to claim 1, it is characterised in that: the boiler tube axis
It is equipped with temperature tube.
16. rotary calcining furnace according to claim 15, it is characterised in that: be equipped with thermocouple in the temperature tube.
17. rotary calcining furnace according to claim 15, it is characterised in that: suspention has scraper component on the temperature tube.
18. rotary calcining furnace according to claim 17, it is characterised in that: the shape of the scraper component is screw shaped.
19. rotary calcining furnace described in 7 or 18 according to claim 1, it is characterised in that: the scraper component passes through suspension member
It is suspended on the temperature tube.
20. rotary calcining furnace according to claim 19, it is characterised in that: between the suspension member and the temperature tube
Using sliding contact.
21. -7,9-12,14,16-18,20 described in any item rotary calcining furnaces according to claim 1, it is characterised in that: described
The discharge end of boiler tube is equipped with feed box.
22. rotary calcining furnace according to claim 21, it is characterised in that: be equipped between the feed box and the boiler tube
Second flexible connecting member.
23. rotary calcining furnace according to claim 22, it is characterised in that: second flexible connecting member is that cage is universal
Section.
24. rotary calcining furnace according to claim 22, it is characterised in that: second flexible connecting member is bellows.
25. rotary calcining furnace according to claim 24, it is characterised in that: be equipped between the bellows and the boiler tube
Second sealing ring.
26. rotary calcining furnace according to claim 25, it is characterised in that: second sealing ring is graphite annulus.
27. rotary calcining furnace according to claim 21, it is characterised in that: the feed box is equipped with discharge port.
28. rotary calcining furnace according to claim 27, it is characterised in that: the discharge port is equipped with electronic rotation valve.
29. -7,9-12,14,16-18,20, the described in any item rotary calcining furnaces of 22-28, feature exist according to claim 1
In: muff is equipped with outside the boiler tube.
30. -7,9-12,14,16-18,20, the described in any item rotary calcining furnaces of 22-28, feature exist according to claim 1
In: temperature-measuring part is equipped with outside the boiler tube.
31. rotary calcining furnace according to claim 30, it is characterised in that: the temperature-measuring part is thermocouple.
32. -7,9-12,14,16-18,20,22-28,31 described in any item rotary calcining furnaces according to claim 1, feature
Be: the rotary calcining furnace uses boiler tube support roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910649958.6A CN110345753A (en) | 2019-07-18 | 2019-07-18 | Rotary calcining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910649958.6A CN110345753A (en) | 2019-07-18 | 2019-07-18 | Rotary calcining furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110345753A true CN110345753A (en) | 2019-10-18 |
Family
ID=68178760
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| CN201910649958.6A Pending CN110345753A (en) | 2019-07-18 | 2019-07-18 | Rotary calcining furnace |
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Cited By (8)
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| CN111710454A (en) * | 2020-07-01 | 2020-09-25 | 中国原子能科学研究院 | Method for reducing retention in rotary calcining furnace for treating radioactive waste liquid |
| CN111879429A (en) * | 2020-07-01 | 2020-11-03 | 中国原子能科学研究院 | Device and method for multipoint temperature measurement of rotary calcining furnace for radioactive waste liquid treatment |
| CN111883279A (en) * | 2020-07-01 | 2020-11-03 | 中国原子能科学研究院 | Partitioned heating method for treating radioactive waste liquid by rotary calcining furnace |
| CN112607819A (en) * | 2020-12-18 | 2021-04-06 | 杭州景业智能科技股份有限公司 | Nuclear industry high-level radioactive waste liquid evaporation-calcination system and evaporation-calcination method |
| CN113432420A (en) * | 2021-06-21 | 2021-09-24 | 中国原子能科学研究院 | Crucible and material processing equipment |
| CN113432424A (en) * | 2021-06-21 | 2021-09-24 | 中国原子能科学研究院 | Tail gas discharge device of melting device and melting system |
| CN113446856A (en) * | 2021-06-21 | 2021-09-28 | 中国原子能科学研究院 | Material processing system and connecting device thereof |
| CN113447614A (en) * | 2021-06-21 | 2021-09-28 | 中国原子能科学研究院 | Method for measuring denitration rate in radioactive waste liquid calcination process |
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| CN113447614B (en) * | 2021-06-21 | 2022-08-09 | 中国原子能科学研究院 | Method for measuring denitration rate in radioactive waste liquid calcination process |
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