CN202246810U - Barrel for sponge titanium reduction distillation reactor - Google Patents
Barrel for sponge titanium reduction distillation reactor Download PDFInfo
- Publication number
- CN202246810U CN202246810U CN2011201350428U CN201120135042U CN202246810U CN 202246810 U CN202246810 U CN 202246810U CN 2011201350428 U CN2011201350428 U CN 2011201350428U CN 201120135042 U CN201120135042 U CN 201120135042U CN 202246810 U CN202246810 U CN 202246810U
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- barrel
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- reduction distillation
- distillation reactor
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Abstract
The utility model discloses a barrel for a sponge titanium reduction distillation reactor. The barrel comprises a barrel body, wherein the external surface of the barrel body is spay-painted with an anti-oxidation layer. The external surface of the barrel body of the utility model has excellent high-temperature resistance and anti-oxidation performance, and therefore the barrel of the utility model thoroughly eliminates the phenomena of high-temperature oxidation and oxide scale caused by high-temperature oxidation. Moreover, the barrel of the utility model avoids all defects for the barrel of the sponge titanium reduction distillation reactor due to the oxidation and the oxide scale generated thereby. The service life of the barrel of the utility model can be prolonged to a value at least 1.3 times to 1.5 times in comparison with the previous service life.
Description
Technical field
The utility model relates to the metallurgical production device of Titanium Sponge 40-60 mesh, particularly relates to a kind of titanium sponge reduction distillation reactor drum and uses cylindrical shell.
Background technology
The cylindrical shell of existing titanium sponge reduction distillation reactor drum; Its service condition is that its main material employing carbon constructional steel plate is welded in high temperature (the highest～1050 ℃), vacuum (cylindrical shell external vacuum degree is low than internal vacuum), long-time (a reduction distillation process cycle about 15 days) state work down.
This cylindrical shell is not enough below in producing use, existing: although 1 cylindrical shell outside is in certain vacuum state, still serious oxidative phenomena can take place at whole reduction distillation process middle cylinder body outside surface, produce a large amount of oxide debris, and peel off and avalanche.Peel off with the avalanche process in oxide debris drop on the wire spiral and septulum brick of reduction distillation reactor drum process furnace, the oxide debris that drops on the wire spiral makes the wire spiral short circuit have a strong impact on the normal operation of titanium sponge reduction distillation technology.2, drop on wire spiral and the septulum brick and other finally drops to process furnace bottom oxide debris; Need to 6 meters dark furnace bottoms it to be cleared up under the operator, clear up the work of the oxide debris of furnace bottom simultaneously and will wait until that the interior temperature of heating furnace drops to room temperature and just can carry out.3, peeling off of outside surface oxide debris makes the reactor shell wall thickness reduction, accelerated the creep elongation speed of reactor shell when high temperature, simultaneously, accelerated the attenuate of reactor shell wall thickness again, the work-ing life of seriously reducing reactor shell.
In sum; Owing to produce oxide debris, the oxide debris of each process cycle generation >=300kg, the work-ing life of seriously reducing reactor shell; Influence normally carrying out of titanium sponge reduction distillation reaction process process; Prolong the titanium sponge reduction distillation production cycle, increase labour intensity and workload, improved the priming cost and the indirectly attributable expense of Titanium Sponge 40-60 mesh product.
The utility model content
To the problems referred to above; The purpose of the utility model is to provide a kind of titanium sponge reduction distillation reactor drum that prolongs with cylindrical shell a kind of technology in work-ing life; Oxidation in use takes place and produces oxide debris in the cylindrical shell to solve titanium sponge reduction distillation reactor drum in the prior art, thereby influences that titanium sponge reduction distillation reaction process process is normally carried out, the titanium sponge reduction distillation reactor drum is with cylindrical shell low problem in work-ing life.
To achieve these goals, the technical scheme of the utility model is following:
A kind of titanium sponge reduction distillation reactor drum is used cylindrical shell, comprises the tubular body, it is characterized in that, is coated with one deck anti oxidation layer at the outside surface of said tubular body.
In a preferred embodiment of the utility model, said anti oxidation layer is the metallurgical binding layer of intermetallic compound.Further, in the present embodiment, the thickness of the metallurgical binding layer of said intermetallic compound is >=0.35mm.
The barrel outer surface of the utility model obtains excellent high temperature resistant, antioxidant property; Thoroughly eradicate the phenomenon of the oxide debris of oxidation and generation thereof; Solve all defect that brings because of the oxide debris of oxidation and generation thereof, can extend to 1.3-1.5 times that is not less than former work-ing life the work-ing life of the utility model.
Description of drawings
Specify the utility model below in conjunction with accompanying drawing and embodiment:
Fig. 1 is the synoptic diagram of the utility model.
Fig. 2 is the diagrammatic cross-section of the utility model.
Embodiment
For technique means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1 and 2, a kind of titanium sponge reduction distillation reactor drum is used cylindrical shell, comprises tubular body 100, is coated with one deck anti oxidation layer 110 at the outside surface of tubular body 100.In the present embodiment, anti oxidation layer is the metallurgical binding layer of intermetallic compound, and its thickness is >=0.35mm.
It is following that this external surface of tubular specifically sprays step:
1, pending tubular body axis is lain in a horizontal plane on the electronic carrying roller, the velocity of rotation of electronic carrying roller can be carried out stepless frequency control.
2, remove the floating rust and the dirt of this external surface of tubular with the method for steel brush or sandblast.
3, this external surface of tubular is carried out activation treatment.
4, (comprise oxygen-acetylene flame sprayed coating, surfacing with hot-spraying techniques; Electric arc spraying, plasma spraying) to this external surface of tubular spraying aluminium or other high temperature material (comprising nickel and alloy thereof, chromium-nickel alloy, nickel alclad, nickel package alumina, nickel bag chromium carbide); Make it obtain coating; The metallic substance before spraying be its thread or powder, the about 200-250mm of spray distance.The spray-on coating thickness requirement is even, and gauge control is at 0.08-0.12mm.
High temperature during spraying, at a high speed, the particle flux of fusion, atomizing state sprays to through the carbon structure steel matrix after pre-treatment and the activation; When spray material is sprayed onto matrix during moment; Fierce collision takes place and produces a large amount of heat energy in spray material and matrix; Meanwhile the entrained heat energy of spray material self makes matrix local melting or fusion with collision heat energy, and spray material and matrix bind, fuse, and obtain cladding coating at matrix surface.Applying coating and carbon structure steel matrix form packed structures, and this moment, applying coating had anti-oxidant, resistant to elevated temperatures function.
5, the tubular body that outside surface is coated with aluminium and alloy or other high temperature material coatings directly pack into heat treatment heating furnace carry out modification thermal treatment or with the assembling of reactor drum loam cake after, carry out modification thermal treatment simultaneously with the titanium technology of oozing of reactor drum in the reduction distillation process furnace of packing into.Modification thermal treatment can make some trickle micropore of spray-on coating closed by sealing by fusing; Simultaneously; Bind with matrix, metallurgical chemical combination takes place to matrix internal divergence, infiltration in the interfused coated material; Form with matrix mortise, thickness be the metallurgical binding layer that >=0.35 metal is simplified compound, coating has high temperature resistant (1100 ℃), long-time non-oxidizing excellent properties fully at this moment.
The modification thermal treatment process is following: 250 ℃ * 4 hours+350 ℃ * 1.5 hours+550 ℃ * 1.5 hours+650 ℃ * 2 hours+970 ℃ * 8 hours+furnace cooling.
6, to keep surface cleaning after the activation treatment, forbid hand to be touched, spray operation as early as possible, prevent after the spraying to collide, scratch with the integrity of supercoat.
The barrel outer surface of the utility model obtains excellent high temperature resistant, antioxidant property; Thoroughly eradicate the phenomenon of the oxide debris of oxidation and generation thereof; Solve all defect that brings because of the oxide debris of oxidation and generation thereof, can extend to 1.3-1.5 times that is not less than former work-ing life the work-ing life of the utility model.The utlity model has very obvious, far-reaching Technological Economy meaning.The utility model comprises that at other field field of aerospace has obtained extensive successful Application.
More than show and described the advantage of ultimate principle, principal character and the utility model of the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The just principle of describing in the foregoing description and the specification sheets of the utility model; The utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these variations and improvement all fall in the scope of the utility model that requires protection.The protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (3)
1. a titanium sponge reduction distillation reactor drum is used cylindrical shell, comprises the tubular body, it is characterized in that, is coated with one deck anti oxidation layer at the outside surface of said tubular body.
2. titanium sponge reduction distillation reactor drum according to claim 1 is used cylindrical shell, it is characterized in that, said anti oxidation layer is the metallurgical binding layer of intermetallic compound.
3. titanium sponge reduction distillation reactor drum according to claim 2 is used cylindrical shell, it is characterized in that, the thickness of the metallurgical binding layer of said intermetallic compound is >=0.35mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201350428U CN202246810U (en) | 2011-04-29 | 2011-04-29 | Barrel for sponge titanium reduction distillation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201350428U CN202246810U (en) | 2011-04-29 | 2011-04-29 | Barrel for sponge titanium reduction distillation reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202246810U true CN202246810U (en) | 2012-05-30 |
Family
ID=46108081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201350428U Expired - Fee Related CN202246810U (en) | 2011-04-29 | 2011-04-29 | Barrel for sponge titanium reduction distillation reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202246810U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864317A (en) * | 2011-07-08 | 2013-01-09 | 王西临 | Sponge titanium reduction and distillation reactor sprayed with anti-oxidation layer on outer surface and spraying method |
| CN104451200A (en) * | 2014-12-10 | 2015-03-25 | 白银有色集团股份有限公司 | Anti-oxidation method for reactor in titanium sponge production process |
-
2011
- 2011-04-29 CN CN2011201350428U patent/CN202246810U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864317A (en) * | 2011-07-08 | 2013-01-09 | 王西临 | Sponge titanium reduction and distillation reactor sprayed with anti-oxidation layer on outer surface and spraying method |
| CN104451200A (en) * | 2014-12-10 | 2015-03-25 | 白银有色集团股份有限公司 | Anti-oxidation method for reactor in titanium sponge production process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20130429 |