CN105890346A - Counterflow-heat-exchange manganese dioxide reduction ring kiln - Google Patents
Counterflow-heat-exchange manganese dioxide reduction ring kiln Download PDFInfo
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- CN105890346A CN105890346A CN201510021931.4A CN201510021931A CN105890346A CN 105890346 A CN105890346 A CN 105890346A CN 201510021931 A CN201510021931 A CN 201510021931A CN 105890346 A CN105890346 A CN 105890346A
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- Prior art keywords
- manganese dioxide
- heat
- urceolus
- rotary kiln
- ring
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- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 230000009467 reduction Effects 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000009835 boiling Methods 0.000 claims description 9
- 239000011449 brick Substances 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 8
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 7
- 239000010962 carbon steel Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 7
- 230000002411 adverse Effects 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 239000011490 mineral wool Substances 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 239000000498 cooling water Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000000446 fuel Substances 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
- 238000006722 reduction reaction Methods 0.000 description 40
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 8
- 229910052748 manganese Inorganic materials 0.000 description 7
- 239000011572 manganese Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 244000309464 bull Species 0.000 description 4
- 238000013019 agitation Methods 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention discloses a counterflow-heat-exchange manganese dioxide reduction ring kiln, and belongs to the field of metallurgical engineering. According to the counterflow-heat-exchange manganese dioxide reduction ring kiln, the process that three procedures of raw material heating, a reduction exothermic reaction and product water cooling are sequentially carried out in a vertical pipe in a vertical type multi-pipe manganese dioxide reduction roasting furnace is changed into the process that counterflow heat exchange is carried out by propelling raw materials upstream through a spiral blade in a sleeve in the raw material heating procedure and rotating the raw materials downstream in the sleeve during the reduction exothermic reaction and the product cooling procedure. The temperature rising procedure of the raw materials and the temperature reducing procedure of products are carried out in the same equipment in an opposite mode, heat exchange is achieved, and therefore consumption of heating fuel and cooling water is lowered. Production equipment which consumes a large amount of resources, pollutes the environment and consumes cooling water is changed into the production equipment which consumes little energy, barely pollutes the environment and consumes little cooling water, and innovation of a manganese dioxide reduction roasting furnace is achieved.
Description
Technical field
The present invention relates to a kind of Industrial Stoves, belong to metallurgical engineering field.It is particularly used for manganese sand roasting
Equipment----countercurrent flow manganese dioxide reduction rotary kiln.
Background technology
Need the MnO in manganese ore to produce electrolytic manganese in manganese field of metallurgy2Roasting reduction becomes MnO, contains
MnO2Manganese sand and anchracite duff Hybrid Heating proceed by reduction reaction to 800 DEG C, reduction reaction is to put
Thermal response, generates containing the product of MnO, product completely cuts off air and is cooled to 60 DEG C and then completes reduction process.Its
In chemical reaction as follows:
2MnO2+ C=2MnO+CO2↑+174.6kJ
The prior art of manganese dioxide roasting apparatus has Muffle furnace, converter, fluidized bed furnace and multitube shaft furnace etc. multiple
Stove, common feature is to consume the energy in a large number, pollutes environment, needs a kind of new equipment of exploitation to substitute existing setting
Standby.Vertical multi-pipe manganese dioxide reduction roaster is wherein only had to have bigger advantage to put it over than other stoves.
But vertical multi-pipe manganese dioxide reduction roaster still suffers from power consumption height, the drawback of cooling effect difference.
Reference paper 1: Tian Zongping, You Xianjun, Peng Shunlian, Li Li. the research of manganese dioxide reduction roaster
With application. nation manganese industry, 2009,27 (2): 24-26.
Reference paper 2: Zeng Xiangbo. the technological progress and development direction of China's electrolytic manganese metal. China Metal net:
6 multitube Tecnored Process.
Reference paper 3: Zeng Xiangbo. " manganese dioxide reduction technique ". road visitor's bar bar. meeting paper.
Reference paper 4: vertical multi-pipe manganese dioxide reduction roaster. the patent No.: 202810073937.
Summary of the invention
The present invention is to solve above-mentioned technical problem, by process in vertical multi-pipe manganese dioxide reduction roaster
Raw material heating, reduction exothermic reaction, product water cool down three processes in vertical tube order and under flow process, change
For raw material heating process in sleeve pipe by helical blade advance adverse grade and on reduction exothermic reaction+product cool down
Process in inner tube rotates along slope under carry out the flow process of countercurrent flow.The temperature-rise period of raw material and the fall of product
Temperature process is inversely carried out in same equipment, it is achieved heat exchanges, thus reduces heating fuel and cooling water
Consumption.
To achieve these goals, the technical scheme that the present invention provides is countercurrent flow manganese dioxide reduction rotary kiln,
Its summary of the invention is:
1. the equipment of the present invention is made up of rotary kiln (2) and tripping sleeve (3), and tripping sleeve (3) is enclosed within
Rotary kiln (2) outside；The discharging opening (5) of countercurrent flow manganese dioxide reduction rotary kiln and the water-cooled of its lower left
But device (1) seals and connects, and the flange port (23) of rotating cylinder (15) axis right connects with burner (4).
Cold raw material manganese dioxide enters the revolving plow reclaimer (38) of frequency control from hopper (39), through charging aperture (27)
Enter between tripping sleeve and rotary kiln, adverse grade under the promotion of helical blade (16) and upper and rotating cylinder (15)
In under rotary action along slope and under hot product manganese dioxide carry out sufficient heat exchange；When raw material manganese dioxide
When being preheating to 800 DEG C, proceed by reduction reaction and arrival is turned back in mouth (17) entrance rotating cylinder (15)；
Reduction reaction is exothermic reaction, rotating cylinder (15) inner edge carry out reduction reaction limit along slope under, terminate reduction
Under continuing after reaction to lower the temperature along slope, until the discharging opening (5) of rotary kiln (2), temperature drops to about 250 DEG C
Complete the process of cooling heat release.And then it is cooled to 60 DEG C of formation products through water cooler (1) isolation air.
Owing on the one hand cold raw material is fully heated with rotating cylinder (15) wall contacts under the agitation of helical blade；Separately
On the one hand abundant exothermic heat of reaction under the effect that hot charge overturns in rotating cylinder (15), hot product material and rotating cylinder (15)
Inwall is fully contacted conduction heat release, completes reduction reaction and the process that cools under very fare-you-well,
As long as reaction heat rises, more than raw material, the difference that warm is subtracted each other with product cooling heat in kiln, equipment once starts
Will continuously carry out.Mated burner of the present invention (4) and have the exhaust opening (8) of baffle plate (7),
It is that concurrent heating is resumed operation when cold raw material is heated and occurs aborted in the runtime by the equipment starting period
, the equipment properly functioning phase then stops the burning of burner, closes the baffle plate of exhaust opening.The present invention is by one
Consuming the energy in a large number, pollute environment, the production equipment consuming cooling water becomes a few consumption energy, pole
Of low pollution environment, few production equipment consuming cooling water, is the innovation to manganese dioxide roasting oven.
2. the summary of the invention of countercurrent flow manganese dioxide reduction rotary kiln also has: the rotating cylinder (15) of rotary kiln (2)
Center outer surface is mounted with helical blade (16) and mouth of turning back (17), constitutes spiral shell with tripping sleeve (3)
Rotation propeller, promote raw material adverse grade and on；
3. the summary of the invention of countercurrent flow manganese dioxide reduction rotary kiln also has: the rotating cylinder (15) of rotary kiln (2)
And it is dynamic between movable sealing between the left sealing ring (9) that a left side is covered greatly, and the refractory seals ring (20) that covers greatly of the right side
Seal；The left side of tripping sleeve (3) sets left sealing ring (25), and right side sets right sealing ring (31).Four close
The urceolus (28) of the rotating cylinder (15) of rotary kiln with tripping sleeve (3) is formed jacket space and rotating cylinder (15) by seal ring
And left side cover (6) greatly, the right big thorax body space covering (22) form unified closing space, raw material heating process
All carry out in this closes space with reduction exothermic reaction+product cooling procedure.What reduction reaction produced lacks
Amount CO2Gas forms pressure-fired in space and is possible to prevent air to leak in space, a small amount of CO2Arrange through each gap
Amplify gas, greatly reduce the manganese roasting pollution to environment.
4. the summary of the invention of countercurrent flow manganese dioxide reduction rotary kiln also has: refractory seals ring (20) is to cut
Face is the annulus of L-shaped, and the internal diameter of ring is slightly larger than the external diameter of rotating cylinder (15), the horizontal ring inner surface of L-shaped annulus
Being provided with some annular ditch grooves, groove built-in heat-resistant filler band (26), heat-resistant filler band (26) is rolled up by heat-resistant steel wire
The wired hose become, solid alumina silicate fibre rope forms.Refractory seals ring (20) is an entirety
Heat-resisting steel loop, is enclosed within the right-hand member of rotating cylinder (15)；Right sealing ring (31) is made up of two semicircular ring, two
Semicircular ring bolt (35), spring pad (36), nut (37) are fixed into full circle, right sealing ring (31)
For heat-resisting steel loop.In order to prevent scraping between that cause and quiet parts due to rotating cylinder (15) thermal deformation rotated
Rub, between High Temperature Rotating rotating cylinder (15) and quiet parts, need bigger gap.Refractory seals ring (20)
Cover greatly and floating with the quiet parts right side with the rotating cylinder (15) that the right sealing ring (31) of heat resisting steel solves High Temperature Rotating
The sealing problem of the larger gap between moving sleeve (3).
5. the summary of the invention of countercurrent flow manganese dioxide reduction rotary kiln also has: at the right part of tripping sleeve (3)
If arc electric boiling plate (53) and thermocouple (52), the effect of arc electric boiling plate (53) is by the most pre-
The part electrical heating of raw material of heat is brought rapidly up initial reduction reaction temperature 800 DEG C, play ignite and
The effect of concurrent heating, thermocouple (52) then monitors the temperature of this part material.
6. the summary of the invention of countercurrent flow manganese dioxide reduction rotary kiln also has: elastic support (30) holds up and floats
Sleeve (3), makes tripping sleeve (3) float on the axis of rotary kiln (2), alleviates and produces rotary kiln (2)
Breaking force.
The structure of the countercurrent flow manganese dioxide reduction rotary kiln of the present invention and vertical multi-pipe manganese dioxide reduction roasting
Stove has difference substantially, thermal procession very goodization in this equipment, entering continuously for chemical process
Row provides fully carrying out of the best temperature conditions and stirring condition, beneficially chemical process.Countercurrently
Heat exchange manganese dioxide reduction rotary kiln has a following income than prior art:
1. raw material heating process and reduction exothermic reaction+product cooling procedure are all in this closes space
Carry out.A small amount of CO that reduction reaction produces2Gas forms pressure-fired in closing space and is possible to prevent air to leak
Enter, the CO that only a small amount of chemical reaction generates2Discharge air through each gap, greatly reduce manganese dioxide
The roasting pollution to environment；
2. a cold raw material of aspect is fully heated with rotary kiln wall contacts under the agitation of helical blade, and
It is stirred visibly homogeneous；On the other hand hot charge abundant exothermic heat of reaction, delivery in hot weather under the effect that rotary kiln overturns
Product and rotary kiln inwall are fully contacted heat release, complete reduction reaction and cooled under very fare-you-well
Journey, can reduce the ratio mixing excess anchracite duff in the feed, raw material MnO2Conversion ratio be up to 98%
Above, reduce production cost and improve the yield rate of product.
3 countercurrent flow manganese dioxide reduction rotary kilns will be passed through in vertical multi-pipe manganese dioxide reduction roaster
Raw material heating, reduction exothermic reaction, product water cooling three processes sequence flow, change into raw material heating
Process in sleeve pipe by helical blade advance adverse grade and on reduction exothermic reaction+product cooling procedure pipe in
The flow process of countercurrent flow is carried out under rotating along slope.Make the temperature-rise period of raw material and the temperature-fall period of product same
One equipment is inversely carried out, it is achieved heat exchanges, thus reduce heating fuel and the consumption of cooling water.This
Inventing an a large amount of consumption energy, pollute environment, the production equipment of consumption cooling water becomes one and seldom disappears
Power consumption source, seldom pollutes environment, few production equipment consuming cooling water, greatly reduces manganese dioxide roasting
The production cost burnt.
4 in order to prevent the scratch between that cause and quiet parts due to revolving drum thermal deformation, and High Temperature Rotating turns
Need bigger gap between cylinder and quiet parts, the present invention takes refractory seals ring and elastic support two
Item technology, solves the sealing problem between the rotating cylinder of High Temperature Rotating and quiet parts.The present invention not only solves
The high temperature movable sealing problem of this countercurrent flow manganese dioxide reduction rotary kiln, also provides high temperature for same category of device and moves
Potted component.
Accompanying drawing explanation
Fig. 1 countercurrent flow manganese dioxide calciner elevation；
Rotary kiln (2) profilograph of Fig. 2 present invention；
Tripping sleeve (3) profilograph of Fig. 3 present invention；
Fig. 4 B to
Fig. 5 A partial enlargement
Fig. 6 C partial enlargement
Detailed description of the invention
Describe the present invention below in conjunction with specific embodiment.
Embodiment describes: see accompanying drawing 1, and countercurrent flow manganese dioxide reduction rotary kiln by rotary kiln (2) and floats
Sleeve (3) forms, and rotating cylinder (15) outer surface of rotary kiln (2) is equipped with helical blade (16) and mouth of turning back
(17)；Tripping sleeve (3) is enclosed within rotary kiln (2) outside, is sitting on two elastic supports (30)；Rotary kiln
(2) discharging opening (5) seals with the water cooler (1) of its lower left and connects, under water cooler (1)
The discharging opening (40) of side seals with impeller blowdown machine (41) of frequency control and connects；Rotary kiln (2) axis is right
The flange port (23) of side connects with burner (4)；The charging aperture (27) of tripping sleeve (3) connects frequency conversion
The revolving plow reclaimer (38) of speed governing, receiving hopper (39) above it；Water cooler (1), burner (4),
The revolving plow reclaimer (38) of frequency control and impeller blowdown machine (41) of frequency control are approved product.
See accompanying drawing 2, rotary kiln by a left side cover greatly (6), rotating cylinder (15), revolver band (10), bull gear (11),
Helical blade (16), mouth of turning back (17), right wheel band (19), right big cover (22) composition；Left big cover is one
Individual left end is closed, and the cylinder of right-end openings, lower section sets discharging opening (5), and top sets the smoke evacuation of band baffle plate (7)
Mouth (8), exhaust opening (8) is a flange short tube；Cylinder right-hand member sets sealing ring (9), sealing ring (9)
For carbon steel ring, it is enclosed within the left end of rotating cylinder (15)；Left big cover (6) is sitting on bearing (50)；Right big cover (22)
Being the cylinder of an inner surface set heat resistance concrete layer, right-hand member sets flange port (23), and left end sets refractory seals
Ring (20), refractory seals ring (20) be cross section be the annulus of L-shaped, the internal diameter of ring be slightly larger than rotating cylinder (15)
External diameter, the horizontal ring inner surface of L-shaped annulus is provided with some annular ditch grooves, groove built-in heat-resistant filler band (26),
The wired hose that heat-resistant filler band (26) is rolled into by heat-resistant steel wire, solid alumina silicate fibre rope forms；
Refractory seals ring (20) is a heat-resisting steel loop of entirety, is enclosed within the right-hand member of rotating cylinder (15)；Right big cover (22)
It is sitting on bearing (49)；Rotating cylinder (15) is a cylinder, and left side is carbon steel, and right-hand part is heat resisting steel,
Rotating cylinder (15) left side dress revolver band (10), revolver band is the carbon steel ring that an outside is smooth, is enclosed within rotating cylinder,
The right side of revolver band (10) is bull gear (11), and bull gear is external toothing steel loop, is enclosed within rotating cylinder (15)；
Rotating cylinder (15) center outer surface sets helical blade (16), and the external diameter of helical blade (16) is slightly less than floating bushing
The internal diameter of the urceolus (28) of cylinder (3)；The right side of helical blade (16) sets mouth of turning back (17), mouth of turning back
(17) rotating cylinder (15) several long square openings around it are around；Turn back the right of mouth (17) sets right wheel band
(19), right wheel band is the heat-resisting steel loop of a smooth outer surface, is enclosed within rotating cylinder；Left support roller (13) and the right side
Support roller (18) holds up rotating cylinder (15), and the axis of rotating cylinder (15) and horizontal line have suitable angle, and left and right is held in the palm
Wheel is approved product；The drive mechanism (14) of variable-frequency governor is arranged on the side-lower of bull gear (11),
Gear wheel (12) is arranged on the left side of revolver band (10), the drive mechanism (14) of frequency control and gear wheel (12)
Also approved product is had to supply.
See accompanying drawing 3 and accompanying drawing 5, accompanying drawing 6, tripping sleeve by left sealing ring (25), charging aperture (27),
Urceolus (28), heat-insulation layer (29), spring fastening (30), arc electric boiling plate (53), thermocouple base
(51), right sealing ring (31) composition；Left sealing ring (25) and right sealing ring (31) be cross section be L
The annulus of shape, the internal diameter of ring is slightly larger than the external diameter of rotating cylinder (15), if the horizontal ring inner surface of L-shaped annulus is provided with
Dry annular ditch groove, groove built-in heat-resistant filler band (26), the steel that heat-resistant filler band (26) is rolled into by heat-resistant steel wire
Silk flexible pipe, solid alumina silicate fibre rope forms；The perpendicular ring of L-shaped annulus is flange, with bolt (32),
Spring pad (33), nut (34) are fixed on urceolus (28) two ends, and sealing ring is made up of two semicircular ring,
Two semicircular ring bolts (35), spring pad (36), nuts (37) are fixed into full circle, left sealing ring (25)
For carbon steel ring, right sealing ring (31) is heat-resisting steel loop；Urceolus (28) is a cylinder, and left side is carbon
Steel, right-hand part is heat resisting steel, and the upper left quarter of urceolus (28) sets charging aperture (27), and charging aperture is a flange
Square short tube；Setting arc electric boiling plate (53) below the right part of urceolus (28), right side sets thermocouple base (51)；
Arc electric boiling plate (53) is made up of arc shell (54), radial brick (55) and resistance wire (56), arc
Brick (55) is the fluted refractory brick of inner surface, is contained in arc shell (54), the ditch of radial brick (55)
The built-in resistance wire of groove (56)；Thermocouple base (51) is an internal thread short tube, is welded on urceolus (28)
On wall, thermocouple (52) is installed；Urceolus (28) outer surface sets rock wool heat-preservation layer (29), urceolus (28)
It is sitting on two spring fastenings (30).
See accompanying drawing 5, elastic support (30) by upper spring seat (42), spring (43), lower spring cup (44),
Arc pallet (45), upper block (46), lower block (47), base plate (48) form, four springs (43)
Being contained between upper spring seat (42) and lower spring cup (44), upper spring seat (42) is the cylinder of falling turriform,
Upper end is inclined-plane, is fixed on the corner of arc pallet (45), and lower spring cup is cylindrical, is fixed on length
On the corner of square floor (48)；Under during on cuboid, block (46) is fixed on arc pallet (45)
Portion, under two cuboids, block (47) is fixed on base plate (48) and is in the both sides of block (46)；
Arc pallet (45) is fixed on the urceolus (28) of tripping sleeve (3).
Claims (4)
1. countercurrent flow manganese dioxide reduction rotary kiln is to be passed through in vertical multitube manganese dioxide reduction roaster
Raw material heating, reduction exothermic reaction, product water cool down three processes in vertical tube order and under flow process enter
Row improves.Flow characteristics after improvement is: raw material heating process is advanced adverse grade by helical blade in sleeve pipe
And upper with reduction exothermic reaction+product cooling procedure in inner tube rotates along slope under carry out the stream of countercurrent flow
Journey.The device realizing flow process is made up of rotary kiln (2) and tripping sleeve (3), and tripping sleeve (3) is enclosed within and turns
Kiln (2) outside, is sitting on two elastic supports (30)；The discharging opening (5) of rotary kiln (2) and its lower-left
The water cooler (1) of side seals and connects, the discharging opening (40) of water cooler (1) end opening and frequency control
Impeller blowdown machine (41) seal connect；The flange port (23) of rotary kiln (2) axis right and burner (4)
Connect；The charging aperture (27) of tripping sleeve (3) connects the revolving plow reclaimer (38) of frequency control, above it
Receiving hopper (39)；Water cooler (1), burner (4), the revolving plow reclaimer (38) of frequency control and change
Impeller blowdown machine (41) of frequency modulation speed is approved product.
Countercurrent flow manganese dioxide the most according to claim 1 reduction rotary kiln, is characterized in that: rotary kiln (2)
Rotating cylinder (15) center outer surface be mounted with that helical blade (16), the external diameter of helical blade (16) are slightly less than
The internal diameter of the urceolus (28) of tripping sleeve (3)；The right side of helical blade (16) sets mouth of turning back (17),
Mouth (17) of turning back is placed around rotating cylinder (15) several long square openings around.
Countercurrent flow manganese dioxide the most according to claim 1 reduction rotary kiln, is characterized in that: floating bushing
Cylinder (3) is by left sealing ring (25), charging aperture (27), urceolus (28), arc electric boiling plate (53), warm
Galvanic couple base (51), heat-insulation layer (29), elastic support (30), right sealing ring (31) form, left sealing
Ring (25) and right sealing ring (31) be cross section be the annulus of L-shaped, the internal diameter of ring be slightly larger than rotating cylinder (15)
External diameter, the horizontal ring inner surface of L-shaped annulus is provided with some annular ditch grooves, groove built-in heat-resistant filler band (26),
The wired hose that heat-resistant filler band (26) is rolled into by heat-resistant steel wire, solid alumina silicate fibre rope forms；L
The perpendicular ring of shape annulus is flange, is fixed on urceolus (28) with bolt (32), spring pad (33), nut (34)
Two ends, two sealing rings are respectively made up of two semicircular ring, two semicircular ring bolts (35), spring pad (36),
Nut (37) is fixed into full circle ring, and left sealing ring (25) is carbon steel ring, and right sealing ring (31) is heat-resisting
Steel loop；Urceolus (28) is a cylinder, and left side is carbon steel, and right-hand part is heat resisting steel, urceolus (28)
Upper left quarter set charging aperture (27), charging aperture (27) is a square short tube of flange；The right side of urceolus (28)
Setting arc electric boiling plate (53) below portion, the right side of arc electric boiling plate sets thermocouple base (51)；Arc
Electric boiling plate (53) is made up of arc shell (54), radial brick (55) and resistance wire (56), radial brick (55)
It is the fluted refractory brick of inner surface, is contained in arc shell (54), the built-in electricity of groove of radial brick (55)
Resistance silk (56)；Thermocouple base (51) is an internal thread short tube, is welded on the wall of urceolus (28), peace
Dress thermocouple (52)；Urceolus (28) outer surface sets rock wool heat-preservation layer (29), and urceolus (28) is sitting in two
On elastic support (30).
Countercurrent flow manganese dioxide the most according to claim 1 reduction rotary kiln, is characterized in that: elastic
Seat (30) by upper spring seat (42), spring (43), lower spring cup (44), arc pallet (45), on
Block (46), lower block (47), base plate (48) form, and four springs (43) are contained in upper spring seat (42)
And between lower spring cup (44), upper spring seat (42) is the cylinder of falling turriform, and upper end is inclined-plane, is fixed on
On the corner of arc pallet (45), lower spring cup is cylindrical, is fixed on the four of rectangle base plate (48)
On angle；On cuboid, block (46) is fixed on the middle and lower part of arc pallet (45), two cuboid lower blocks
Block (47) is fixed on base plate (48) and is in the both sides of block (46)；Arc pallet (45) is solid
It is scheduled on the urceolus (28) of tripping sleeve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510021931.4A CN105890346B (en) | 2015-01-16 | 2015-01-16 | Countercurrent flow manganese dioxide reduces rotary kiln |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510021931.4A CN105890346B (en) | 2015-01-16 | 2015-01-16 | Countercurrent flow manganese dioxide reduces rotary kiln |
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| Publication Number | Publication Date |
|---|---|
| CN105890346A true CN105890346A (en) | 2016-08-24 |
| CN105890346B CN105890346B (en) | 2018-05-25 |
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| CN201510021931.4A Expired - Fee Related CN105890346B (en) | 2015-01-16 | 2015-01-16 | Countercurrent flow manganese dioxide reduces rotary kiln |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180756A (en) * | 2017-12-07 | 2018-06-19 | 天长市昭田磁电科技有限公司 | A kind of multitube rotary kiln |
| CN110006247A (en) * | 2019-05-10 | 2019-07-12 | 黎柴佐 | A kind of back-heating type powder annealing device and its method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2869723Y (en) * | 2006-02-08 | 2007-02-14 | 孙学忠 | Novel multi-return-stroke drum heating apparatus |
| US20080176178A1 (en) * | 2007-01-23 | 2008-07-24 | Ffe Mineras Usa Inc. | Reduction kiln |
| CN102040247A (en) * | 2010-11-20 | 2011-05-04 | 湖北开元化工科技股份有限公司 | Method and device for producing chemical manganese dioxide |
| CN202692618U (en) * | 2012-06-06 | 2013-01-23 | 王松正 | External-heating-type dual-layer drying kiln |
| CN204461041U (en) * | 2015-01-16 | 2015-07-08 | 张寅� | Countercurrent flow manganese dioxide reduction rotary kiln |
-
2015
- 2015-01-16 CN CN201510021931.4A patent/CN105890346B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2869723Y (en) * | 2006-02-08 | 2007-02-14 | 孙学忠 | Novel multi-return-stroke drum heating apparatus |
| US20080176178A1 (en) * | 2007-01-23 | 2008-07-24 | Ffe Mineras Usa Inc. | Reduction kiln |
| CN102040247A (en) * | 2010-11-20 | 2011-05-04 | 湖北开元化工科技股份有限公司 | Method and device for producing chemical manganese dioxide |
| CN202692618U (en) * | 2012-06-06 | 2013-01-23 | 王松正 | External-heating-type dual-layer drying kiln |
| CN204461041U (en) * | 2015-01-16 | 2015-07-08 | 张寅� | Countercurrent flow manganese dioxide reduction rotary kiln |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180756A (en) * | 2017-12-07 | 2018-06-19 | 天长市昭田磁电科技有限公司 | A kind of multitube rotary kiln |
| CN110006247A (en) * | 2019-05-10 | 2019-07-12 | 黎柴佐 | A kind of back-heating type powder annealing device and its method |
| CN110006247B (en) * | 2019-05-10 | 2024-04-12 | 黎柴佐 | Regenerative powder heat treatment device and method thereof |
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| CN105890346B (en) | 2018-05-25 |
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