CN105627735A - Reduction kiln used for producing vanadium trioxide - Google Patents
Reduction kiln used for producing vanadium trioxide Download PDFInfo
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- CN105627735A CN105627735A CN201610109343.0A CN201610109343A CN105627735A CN 105627735 A CN105627735 A CN 105627735A CN 201610109343 A CN201610109343 A CN 201610109343A CN 105627735 A CN105627735 A CN 105627735A
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- Prior art keywords
- kiln
- head
- reduction
- hopper
- kiln body
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- QUEDYRXQWSDKKG-UHFFFAOYSA-M [O-2].[O-2].[V+5].[OH-] Chemical compound [O-2].[O-2].[V+5].[OH-] QUEDYRXQWSDKKG-UHFFFAOYSA-M 0.000 title abstract 4
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 230000005484 gravity Effects 0.000 claims abstract description 20
- 229910000601 superalloy Inorganic materials 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 239000002912 waste gas Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract 2
- 238000006722 reduction reaction Methods 0.000 description 42
- 230000000694 effects Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 238000005461 lubrication Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
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- 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
- F27B7/02—Rotary-drum furnaces, i.e. horizontal or slightly inclined of multiple-chamber or multiple-drum type
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G31/00—Compounds of vanadium
- C01G31/02—Oxides
-
- 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 specially adapted for rotary-drum furnaces
- F27B7/2075—Removing incrustations
-
- 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 specially adapted for rotary-drum furnaces
- F27B7/22—Rotary drums; Supports therefor
-
- 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 specially adapted for rotary-drum furnaces
- F27B7/22—Rotary drums; Supports therefor
- F27B7/24—Seals between rotary and stationary parts
-
- 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 specially adapted for 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 specially adapted for 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 specially adapted for rotary-drum furnaces
- F27B7/38—Arrangements of cooling 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 specially adapted for rotary-drum furnaces
- F27B7/32—Arrangement of devices for charging
- F27B7/3205—Charging
- F27B2007/3211—Charging at the open end of the drum
-
- 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 specially adapted for rotary-drum furnaces
- F27B7/32—Arrangement of devices for charging
- F27B7/3205—Charging
- F27B2007/3258—Charging at the open end of the drum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention relates to the technical field of reduction kilns, in particular to a reduction kiln used for producing vanadium trioxide. The reduction kiln used for producing vanadium trioxide comprises a feeding device, a kiln head, a cylindrical kiln body, a kiln tail, a discharging device and a supporting device. The feeding device corresponds to the kiln head. One end of the kiln body is connected with the kiln head, and the other end of the kiln body is connected with the kiln tail. The kiln tail corresponds to the discharging device. The kiln head, the kiln body and the kiln tail are arranged on the supporting device. The kiln body is made of nickel-base superalloy. The reduction kiln further comprises a mechanical gravity rapping device. The mechanical gravity rapping device is arranged at the upper portion of the supporting device and is located at the position of a rapping ring of the kiln body. A high-temperature-resisting mechanical combined gas sealing device is adopted for sealing the connecting position of the kiln head and the kiln body, and a high-temperature-resisting mechanical combined gas sealing device is adopted for sealing the connecting position of the kiln body and the kiln tail. The reduction kiln used for producing the vanadium trioxide can normally work under high-temperature conditions, the yield can be increased, and the quality can be improved.
Description
Technical field
The present invention relates to reduction kiln technical field, especially a kind of reduction kiln for the production of vanadous oxide.
Background technology
Market gets more and more for the demand of vanadous oxide, and specification of quality is more and more higher. Producing vanadous oxide, reduction kiln, as key processing equipment, plays decisive effect. Improving the seed output and quality of vanadous oxide, one to be increased diameter and the length of reduction kiln; Two to be improved reduction kiln Heating temperature, be also namely the reduction temperature (preferably more than 1000 DEG C) of vanadous oxide. At present, in vanadous oxide is produced, there is following Railway Project and restrict its seed output and quality: 1, when reduction reaction temperature is reached 600��800 DEG C, the kiln body of reduction kiln will soon be burnt, can not continuing to produce, kiln body can not meet the needs of production continuously; 2, due to relatively big containing vanadium material moisture, material is not good in reduction kiln kiln body internal mobility, along with the gradual temperature of material raises, partial material can be bonded on kiln body inwall, kiln body inwall sizing will be too much, directly affects seed output and quality, and can at high temperature spot corrosion kiln body; 3, when reduction reaction temperature is reached 600��800 DEG C, the sealing of kiln head and kiln tail is easily aging, it may also be useful to the life-span is short, affects the normal usage energy of reduction kiln, affects seed output and quality.
Summary of the invention
Technical problem to be solved by this invention be to provide one can normal operation under the high temperature conditions, and the vanadous oxide reduction kiln that seed output and quality is improved.
The present invention solves the reduction kiln for the production of vanadous oxide that its technical problem adopts, comprise feeding device, kiln head, the kiln body of round shape, kiln tail, blanking device, bracing or strutting arrangement, feeding device is corresponding with kiln head, kiln body one end is connected with kiln head, one end is connected with kiln tail, kiln tail is corresponding with blanking device, kiln head, kiln body, kiln tail is all arranged on bracing or strutting arrangement, kiln body is made up of nickel base superalloy, also comprise mechanical gravity rapping apparatus, mechanical gravity rapping apparatus is arranged on the top of bracing or strutting arrangement and is positioned at the rapping circle place of kiln body, the sealing of kiln head and kiln body junction and kiln body and kiln tail junction all adopts high temperature resistant combined type mechanically gas-tight sealing.
Further, kiln body diameter is 1m, and length is 18.5m.
Further, mechanical gravity rapping apparatus comprises the first frame, lifting bracket, impact head, spring, weight, traction rope and drive unit; First frame comprises crossbeam and is arranged on the support at crossbeam two ends, and lifting bracket is vertically arranged on the middle part of crossbeam; Impact head is positioned at the lower end of lifting bracket, and the head upright of impact head is arranged through crossbeam; Spring is arranged in impact head, and between impact head afterbody and crossbeam; Traction rope one end is connected with drive unit, and the other end is connected through the upper end of lifting bracket with weight.
Further is, high temperature resistant combined type mechanically gas-tight sealing comprises the seal cartridge being sleeved on kiln body, high temperature resistant graphite packing it is filled with between seal cartridge and kiln body, seal cartridge is set with interior ball ring, interior ball ring is nested in the annular groove of ectosphere ring, ectosphere ring relative support device is fixed, and adopts sphere to be slidably matched between the external peripheral surface of interior ball ring and the annular groove bottom surface of ectosphere ring.
Further is, bracing or strutting arrangement comprises crossbeam, underframe, anterior lifting device, rear portion turning device, anterior lifting device and rear portion turning device are arranged on underframe top, and crossbeam is arranged on the top of anterior lifting device and rear portion turning device, and kiln body is arranged on the top of crossbeam.
Further is, feeding device comprises material loading hopper, doses detector, manual or automatic push-pull valve, the first worm conveyor, doses detector is arranged on material loading hopper, push-pull valve is connected with the opening for feed of the first worm conveyor with the discharge port of material loading feed hopper bottom, and the discharge port of the first worm conveyor is corresponding with kiln head.
Further, also comprising kiln head cover, kiln hood, kiln head cover is arranged on the outside of kiln head, and kiln hood is arranged on the outside of kiln tail.
Further is, blanking device comprises finished product hopper, pneumatic high temperature resistant valve, material changeover valve, 2nd worm conveyor, hopper capping device, pneumatic high temperature resistant valve arranges and is connected between kiln hood and finished product hopper, material changeover valve arranges and is connected between finished product hopper and the 2nd worm conveyor, hopper capping device is arranged on the discharge outlet of the 2nd worm conveyor, hopper capping device comprises hopper cover, suspension bracket body, counterweight, pulley, wireline, hopper cover arranges the lower end being connected to suspension bracket body, wireline connects suspension bracket body and is connected with counterweight through pulley.
Further, also comprising waste gas water seal arrangement, waste gas water seal arrangement is connected with kiln head cover by tracheae.
Further, also comprising water cooling plant, reduction kiln is carried out water-cooled process by water cooling plant.
The invention has the beneficial effects as follows: kiln body is made up of nickel base superalloy, nickel base superalloy intensity height, high temperature resistant, solve kiln body insufficient strength when high temperature reduction, it is easy to the problem burnt, enable kiln body normal operation under the high temperature conditions, for the diameter and length improving reduction kiln provides necessary condition, it is provided with mechanical gravity rapping apparatus at the rapping circle place of kiln body, this device ramping effect is obvious, material is not bonded on reduction kiln kiln body inwall substantially, making material can fully carry out reduction reaction in reduction kiln, significantly improve the seed output and quality of reduction kiln, this mechanical gravity rapping apparatus life cycle is long, owing to being mostly mechanical part, work under high thermal radiation temperature smooth and easy, decrease maintenance workload and expense, it is to increase the normal production efficiency of equipment and output, the sealing of kiln head and kiln body junction and kiln body and kiln tail junction adopts high temperature resistant combined type mechanically gas-tight sealing, sealing device can be filled with in reduction kiln kiln body and complete seal process smoothly as under the coke-oven gas environment of reductive agent in a large number, decrease machine stop times and time, improve working efficiency, improve the seed output and quality of reduction kiln further, prevent the leakage of coke-oven gas, take precautions against flammable explosive gas to the generation of the pollution of surrounding enviroment and accident, this mechanically-sealing apparatus life cycle is long, owing to being mostly mechanical part, work under high-temperature smooth and easy, decrease maintenance workload and expense, improve normal production efficiency and the output of equipment. due to the high temperature resistant combined type mechanically gas-tight sealing that present invention employs mechanical gravity rapping apparatus and kiln head, the sealing of kiln tail adopts, both all can at high temperature work, when kiln body is carried out rapping work by mechanical gravity rapping apparatus, kiln body produces vibration, improves the sealing effect of high temperature resistant combined type mechanically gas-tight sealing further. in sum, the present invention solves the defect that existing reduction kiln all can not be improved on seed output and quality, it provides one can normal operation under the high temperature conditions, and seed output and quality is all improved the reduction kiln producing vanadous oxide.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of mechanical gravity rapping apparatus;
Fig. 3 is the structural representation of high temperature resistant combined type mechanically gas-tight sealing;
Fig. 4 is the structural representation of bracing or strutting arrangement;
Fig. 5 is the structural representation of hopper capping device;
Component in figure, position and numbering: feeding device 1, material loading hopper 11, push-pull valve 12, first worm conveyor 13, kiln head 2, the kiln body 3 of round shape, kiln tail 4, blanking device 5, finished product hopper 51, pneumatic high temperature resistant valve 52, material changeover valve 53, 2nd worm conveyor 54, hopper capping device 55, hopper cover 551, suspension bracket body 552, counterweight 553, pulley 554, wireline 555, bracing or strutting arrangement 6, crossbeam 61, underframe 62, anterior lifting device 63, rear portion turning device 64, mechanical gravity rapping apparatus 7, first frame 71, crossbeam 711, support 712, lifting bracket 72, impact head 73, spring 74, weight 75, traction rope 76, drive unit 77, kiln head cover 8, kiln hood 9, waste gas water seal arrangement 10, seal cartridge 14, high temperature resistant graphite packing 15, interior ball ring 16, ectosphere ring 17, water cooling plant 18.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, the present invention is for the production of the reduction kiln of vanadous oxide, comprise feeding device 1, kiln head 2, the kiln body 3 of round shape, kiln tail 4, blanking device 5, bracing or strutting arrangement 6, feeding device 1 is corresponding with kiln head 2, kiln body 3 one end is connected with kiln head 2, one end is connected with kiln tail 4, kiln tail 4 is corresponding with blanking device 5, kiln head 1, kiln body 2, kiln tail 3 is all arranged on bracing or strutting arrangement 6, kiln body 3 is made up of nickel base superalloy, nickel base superalloy intensity height, high temperature resistant, solve kiln body 3 insufficient strength when high temperature reduction, the problem easily burnt, make kiln body 3 can normal operation under the high temperature conditions, for kiln body 3 diameter and length improving reduction kiln provides necessary condition. facts have proved that producing kiln body 3 diameter is 1m, length is the reduction kiln of 18.5m, considerably improves the output of reduction kiln.
The reduction kiln of the present invention also comprises mechanical gravity rapping apparatus 7, and mechanical gravity rapping apparatus 7 is arranged on the top of bracing or strutting arrangement 6 and is positioned at the rapping circle place of kiln body 3, and rapping circle is positioned at the front section of kiln body 3. As shown in Figure 2, mechanical gravity rapping apparatus 7 comprises the first frame 71, lifting bracket 72, impact head 73, spring 74, weight 75, traction rope 76 and drive unit 77; First frame 71 comprises crossbeam 711 and is arranged on the support 712 at crossbeam 711 two ends, and lifting bracket 72 is vertically arranged on the middle part of crossbeam 711; Impact head 73 is positioned at the lower end of lifting bracket 72, and the head upright of impact head 73 is arranged through crossbeam 711; Spring 74 is arranged in impact head 73, and between impact head 73 afterbody and crossbeam 711; Traction rope 76 one end is connected with drive unit 77, and the other end is connected through the upper end of lifting bracket 72 with weight 75. This device ramping effect is obvious, material is not bonded on the inwall of reduction kiln kiln body 3 substantially, material is made can fully to carry out reduction reaction in reduction kiln, significantly improve the seed output and quality of reduction kiln, this mechanical gravity rapping apparatus 7 life cycle is long, owing to being mostly mechanical part, works smooth and easy under high thermal radiation temperature, decrease maintenance workload and expense, it is to increase the normal production efficiency of equipment and output.
Kiln head 1 and the sealing of kiln body 3 junction and kiln body 3 and kiln tail 4 junction all adopt high temperature resistant combined type mechanically gas-tight sealing. as shown in Figure 3, high temperature resistant combined type mechanically gas-tight sealing comprises the seal cartridge 14 being sleeved on kiln body 3, high temperature resistant graphite packing 15 it is filled with between seal cartridge 14 and kiln body 3, seal cartridge 14 is set with interior ball ring 16, interior ball ring 16 is nested in the annular groove of ectosphere ring 17, ectosphere ring 17 relative support device 6 is fixed, sphere is adopted to be slidably matched between the external peripheral surface of interior ball ring 16 and the annular groove bottom surface of ectosphere ring 17, interior ball ring 16 can rotate around the centre of sphere of ectosphere ring 17, thus the seal cartridge 14 being sleeved on interior ball ring 16 can be swung with kiln body 3, ensure that high temperature resistant graphite packing 15 is tightly filled between seal cartridge 14 and kiln body 3, thus ensure and improve sealing effect. sealing device can be filled with in reduction kiln kiln body 3 under in a large number as the environment of the coke-oven gas of reductive agent and complete seal process smoothly, decrease machine stop times and time, improve working efficiency, improve the seed output and quality of reduction kiln further, prevent the leakage of coke-oven gas, take precautions against flammable explosive gas to the generation of the pollution of surrounding enviroment and accident, this mechanically-sealing apparatus life cycle is long, owing to being mostly mechanical part, work smooth and easy under high-temperature, decrease maintenance workload and expense, it is to increase the normal production efficiency of equipment and output.
Due to the present invention have employed mechanical gravity rapping apparatus and kiln head, high temperature resistant combined type mechanically gas-tight sealing that the sealing of kiln tail adopts, both all can at high temperature work, when kiln body 3 is carried out rapping work by mechanical gravity rapping apparatus 7, kiln body 3 produces vibration, thus accelerate the seal cartridge 14 being sleeved on interior ball ring 16 and can swing with kiln body 3, the sealing effect of high temperature resistant combined type mechanically gas-tight sealing can be improved further. In sum, the present invention solves the defect that existing reduction kiln can not all be improved on seed output and quality again, it provides one can normal operation under the high temperature conditions, and seed output and quality is all improved the reduction kiln producing vanadous oxide.
Concrete, as shown in Figure 4, bracing or strutting arrangement 6 comprises crossbeam 61, underframe 62, anterior lifting device 63, rear portion turning device 64, anterior lifting device 63 is arranged on underframe 62 top with rear portion turning device 64, crossbeam 61 is arranged on the top of anterior lifting device 63 with rear portion turning device 64, kiln body 3 is arranged on the top of crossbeam 61, anterior lifting device 63 can make crossbeam 61 have certain regulation range, it is generally 0��5 ��, can regulate according to the practical situation produced, rear portion turning device 64 promotes kiln body 3 to rotate, and underframe 62 is fixed on basis. This bracing or strutting arrangement 6 structure is simple, firm, practicality height.
Concrete, as shown in Figure 1, feeding device 1 comprises material loading hopper 11, doses detector, manual or automatic push-pull valve 12, first worm conveyor 13, doses detector is arranged on material loading hopper 11, push-pull valve 12 with material loading hopper 11 bottom discharge port be connected with the opening for feed of the first worm conveyor 13, the discharge port of the first worm conveyor 13 is corresponding with kiln head 1, due to produce raw material be powder, adopt the first worm conveyor 13, it may also be useful to effective.
Concrete, the present invention is also provided with kiln head cover 8, kiln hood 9, and kiln head cover 8 is arranged on the outside of kiln head 2, and kiln hood 9 is arranged on the outside of kiln tail 4. Blanking device 5 comprises finished product hopper 51, pneumatic high temperature resistant valve 52, material changeover valve 53, the 2nd worm conveyor 54, hopper capping device 55, pneumatic high temperature resistant valve 52 arranges and is connected between kiln hood 9 and finished product hopper 51, material changeover valve 53 arranges and is connected between finished product hopper 51 and the 2nd worm conveyor 54, and hopper capping device 55 is arranged on the discharge outlet of the 2nd worm conveyor 54. As shown in Figure 5, the effect of hopper capping device 55 is finished product vanadous oxide when loading batch can, prevents vanadous oxide dust from flying, avoids environmental pollution and dust from flying, avoids environmental pollution and V2O3Loss, this hopper capping device 55 structure is simple, it may also be useful to effect is good.
Concrete, in order to reduce in reduction kiln production process the waste gas produced to the impact of environment, the present invention is also provided with waste gas water seal arrangement 10, and waste gas water seal arrangement 10 is connected with kiln head cover 8 by tracheae. Dust in waste gas runs in waste gas water seal arrangement 10 after water, and precipitation is overflowed.
Concrete, being in hot environment due to whole reduction kiln and a lot of parts need lubrication, so the present invention is also provided with water cooling plant 18 and lubrication fittings, reduction kiln is carried out water-cooled process by water cooling plant 18, the parts needing lubrication are carried out swabbing by lubrication fittings, it is to increase its work-ing life.
Claims (10)
1. for the production of the reduction kiln of vanadous oxide, comprise feeding device (1), kiln head (2), the kiln body (3) of round shape, kiln tail (4), blanking device (5), bracing or strutting arrangement (6), feeding device (1) is corresponding with kiln head (2), kiln body (3) one end is connected with kiln head (2), one end is connected with kiln tail (4), kiln tail (4) is corresponding with blanking device (5), kiln head (1), kiln body (2), kiln tail (3) is all arranged on bracing or strutting arrangement (6), it is characterized in that: kiln body (3) is made up of nickel base superalloy, also comprise mechanical gravity rapping apparatus (7), mechanical gravity rapping apparatus (7) is arranged on the top of bracing or strutting arrangement (6) and is positioned at the rapping circle place of kiln body (3), kiln head (1) and the sealing of kiln body (3) junction and kiln body (3) and kiln tail (4) junction all adopt high temperature resistant combined type mechanically gas-tight sealing.
2. as claimed in claim 1 for the production of the reduction kiln of vanadous oxide, it is characterised in that: kiln body (3) diameter is 1m, and length is 18.5m.
3. as claimed in claim 1 for the production of the reduction kiln of vanadous oxide, it is characterised in that: mechanical gravity rapping apparatus (7) comprises the first frame (71), lifting bracket (72), impact head (73), spring (74), weight (75), traction rope (76) and drive unit (77); First frame (71) comprises crossbeam (711) and is arranged on the support (712) at crossbeam (711) two ends, and lifting bracket (72) is vertically arranged on the middle part of crossbeam (711); Impact head (73) is positioned at the lower end of lifting bracket (72), and the head upright of impact head (73) is arranged through crossbeam (711); Spring (74) is arranged in impact head (73), and is positioned between impact head (73) afterbody and crossbeam (711); Traction rope (76) one end is connected with drive unit (77), and the other end is connected through the upper end of lifting bracket (72) with weight (75).
4. as claimed in claim 1 for the production of the reduction kiln of vanadous oxide, it is characterized in that: high temperature resistant combined type mechanically gas-tight sealing comprises the seal cartridge (14) being sleeved on kiln body (3), high temperature resistant graphite packing (15) it is filled with between seal cartridge (14) and kiln body (3), seal cartridge (14) is set with interior ball ring (16), interior ball ring (16) is nested in the annular groove of ectosphere ring (17), ectosphere ring (17) relative support device (6) is fixed, sphere is adopted to be slidably matched between the external peripheral surface of interior ball ring (16) and the annular groove bottom surface of ectosphere ring (17).
5. as claimed in claim 1 for the production of the reduction kiln of vanadous oxide, it is characterized in that: bracing or strutting arrangement (6) comprises crossbeam (61), underframe (62), anterior lifting device (63), rear portion turning device (64), anterior lifting device (63) is arranged on underframe (62) top with rear portion turning device (64), crossbeam (61) is arranged on the top of anterior lifting device (63) with rear portion turning device (64), and kiln body (3) is arranged on the top of crossbeam (61).
6. as claimed in claim 1 for the production of the reduction kiln of vanadous oxide, it is characterized in that: feeding device (1) comprises material loading hopper (11), doses detector, manual or automatic push-pull valve (12), the first worm conveyor (13), doses detector is arranged on material loading hopper (11), push-pull valve (12) is connected with the opening for feed of the first worm conveyor (13) with the discharge port of material loading hopper (11) bottom, and the discharge port of the first worm conveyor (13) is corresponding with kiln head (1).
7. as claimed in claim 1 for the production of the reduction kiln of vanadous oxide, it is characterized in that: also comprise kiln head cover (8), kiln hood (9), kiln head cover (8) is arranged on the outside of kiln head (2), and kiln hood (9) is arranged on the outside of kiln tail (4).
8. as claimed in claim 7 for the production of the reduction kiln of vanadous oxide, it is characterized in that: blanking device (5) comprises finished product hopper (51), pneumatic high temperature resistant valve (52), material changeover valve (53), 2nd worm conveyor (54), hopper capping device (55), pneumatic high temperature resistant valve (52) arranges and is connected between kiln hood (9) and finished product hopper (51), material changeover valve (53) arranges and is connected between finished product hopper (51) and the 2nd worm conveyor (54), hopper capping device (55) is arranged on the discharge outlet of the 2nd worm conveyor (54), hopper capping device (55) comprises hopper cover (551), suspension bracket body (552), counterweight (553), pulley (554), wireline (555), hopper cover (551) arranges the lower end being connected to suspension bracket body (552), wireline (555) connects suspension bracket body (552) and is connected with counterweight (553) through pulley (554).
9. as claimed in claim 7 for the production of the reduction kiln of vanadous oxide, it is characterised in that: also comprising waste gas water seal arrangement (10), waste gas water seal arrangement (10) is connected with kiln head cover (8) by tracheae.
10. as claimed in claim 1 for the production of the reduction kiln of vanadous oxide, it is characterised in that: also comprising water cooling plant (18), reduction kiln is carried out water-cooled process by water cooling plant (18).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610109343.0A CN105627735A (en) | 2016-02-26 | 2016-02-26 | Reduction kiln used for producing vanadium trioxide |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610109343.0A CN105627735A (en) | 2016-02-26 | 2016-02-26 | Reduction kiln used for producing vanadium trioxide |
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| CN105627735A true CN105627735A (en) | 2016-06-01 |
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| CN201610109343.0A Pending CN105627735A (en) | 2016-02-26 | 2016-02-26 | Reduction kiln used for producing vanadium trioxide |
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