CN202786368U - Circular tube reducing furnace - Google Patents
Circular tube reducing furnace Download PDFInfo
- Publication number
- CN202786368U CN202786368U CN 201220375211 CN201220375211U CN202786368U CN 202786368 U CN202786368 U CN 202786368U CN 201220375211 CN201220375211 CN 201220375211 CN 201220375211 U CN201220375211 U CN 201220375211U CN 202786368 U CN202786368 U CN 202786368U
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- Prior art keywords
- hydrogen
- pipe
- bypass pipe
- comb
- utility
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a circular tube reducing furnace which comprises a hydrogen return pipe, eight upper discharging pipes and seven lower discharging pipes, wherein the hydrogen return pipe is communicated with the upper discharging pipes and the lower discharging pipes, a hydrogen bypass pipe is connected to the hydrogen return pipe, hydrogen is returned to the hydrogen return pipe through the hydrogen bypass pipe, an automatic valve is arranged on the hydrogen bypass pipe, and an automatically-closed elastic piece is arranged on a hydrogen return inlet of the hydrogen bypass pipe. The circular tube reducing furnace has a simple structure, can ensure stable flow of the hydrogen in feeding and discharging processes, and is reduced in hydrogen waste and lowered in production cost.
Description
Technical field
The utility model relates to the Tungsten oxide 99.999 restoring system, is specially a kind of pipe reduction furnace.
Background technology
In the Tungsten oxide 99.999 reducing process, need to use the pipe reduction furnace.The pipe reduction furnace is as reducing atmosphere with hydrogen, under the technological temperature condition of setting, the main equipment that powder materials is reduced, the reduction furnace of present 15 boiler tubes of normal operation, about 16 meters of stove total length, wide about 3 meters, high about 2.3 meters, the high technology temperature of heat can reach 1050 ℃, and day output can reach more than 1 ton.Existing 15 pipe furnaces are when normal production, and needing the hydrogen flowing quantity of input is 40m
3/ h although can satisfy need of production like this, because the hydrogen input speed is larger, causes the waste of a large amount of excess enthalpy hydrogen, has improved production cost.
The utility model content
The technical problem that the utility model solves is to provide a kind of pipe reduction furnace, to solve the shortcoming in the above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions:
A kind of pipe reduction furnace, comprise back hydrogen pipe, upper comb and lower comb, described upper comb is eight pipelines, described lower comb is seven pipelines, described time the hydrogen pipe communicates with described upper comb and lower comb, be connected with the hydrogen bypass pipe on the described time hydrogen pipe, hydrogen is back to the hydrogen pipe described time by the hydrogen bypass pipe, and described hydrogen bypass pipe is provided with self-acting valve.
In the utility model, the hydrogen reflux inlet place of described hydrogen bypass pipe is provided with the shell fragment of automatic shutter.
Beneficial effect
The utility model is simple in structure, can guarantee the stability of flow of charging and discharging Hydrogen gas, and reduce the hydrogen waste, has reduced production cost.
Description of drawings
Fig. 1 is a kind of structure iron of pipe reduction furnace.
Embodiment
For technique means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1, a kind of structure iron of pipe reduction furnace, a kind of pipe reduction furnace, comprise back hydrogen pipe 4, upper comb 3 and lower comb 2, described upper comb 3 is eight pipelines, and described lower comb 2 is seven pipelines, described time hydrogen pipe 4 communicates with described upper comb and lower comb, be connected with hydrogen bypass pipe 1 on the described time hydrogen pipe 4, hydrogen is back to hydrogen pipe 4 described time by hydrogen bypass pipe 1, and described hydrogen bypass pipe is provided with self-acting valve 5.
In the utility model, the hydrogen reflux inlet place of described hydrogen bypass pipe is provided with the shell fragment of automatic shutter.
When upper comb charging, in order to save hydrogen, reduction furnace will be automatically hydrogen flowing quantity by original 40m
3/ h is adjusted into 12m
3/ h, at this moment it is stable to affect lower floor's boiler tube hydrogen because the hydrogen that reduces can cause stove to advance the hydrogen pressure increase, balance and stability in order to ensure lower comb hydrogen pressure, self-acting valve when upper comb charging, hydrogen flowing quantity reduction on the hydrogen bypass pipe can be opened, unnecessary like this hydrogen just is back to back in the hydrogen pipe by the hydrogen bypass pipe, has so just guaranteed hydrogen flowing quantity stable of time comb.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model; the technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification sheets just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. pipe reduction furnace, comprise back hydrogen pipe, upper comb and lower comb, described upper comb is eight pipelines, described lower comb is seven pipelines, it is characterized in that described time the hydrogen pipe communicates with described upper comb and lower comb, is connected with the hydrogen bypass pipe on the described time hydrogen pipe, hydrogen is back to the hydrogen pipe described time by the hydrogen bypass pipe, and described hydrogen bypass pipe is provided with self-acting valve.
2. a kind of pipe reduction furnace according to claim 1 is characterized in that, the hydrogen reflux inlet place of described hydrogen bypass pipe is provided with the shell fragment of automatic shutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220375211 CN202786368U (en) | 2012-08-01 | 2012-08-01 | Circular tube reducing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220375211 CN202786368U (en) | 2012-08-01 | 2012-08-01 | Circular tube reducing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202786368U true CN202786368U (en) | 2013-03-13 |
Family
ID=47813671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220375211 Expired - Fee Related CN202786368U (en) | 2012-08-01 | 2012-08-01 | Circular tube reducing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202786368U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108994312A (en) * | 2018-09-10 | 2018-12-14 | 新冶高科技集团有限公司 | One kind pushing away boat assembly of reduction furnace and air supply method |
| PL442531A1 (en) * | 2022-10-14 | 2024-04-15 | Seco/Warwick Spółka Akcyjna | Method of thermal reduction of iron oxides using hydrogen and device for using this method |
-
2012
- 2012-08-01 CN CN 201220375211 patent/CN202786368U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108994312A (en) * | 2018-09-10 | 2018-12-14 | 新冶高科技集团有限公司 | One kind pushing away boat assembly of reduction furnace and air supply method |
| CN108994312B (en) * | 2018-09-10 | 2021-09-14 | 新冶高科技集团有限公司 | Boat pushing reduction furnace device and gas supply method |
| PL442531A1 (en) * | 2022-10-14 | 2024-04-15 | Seco/Warwick Spółka Akcyjna | Method of thermal reduction of iron oxides using hydrogen and device for using this method |
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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: 20130313 Termination date: 20130801 |