CN204665934U - Meshbeltfurnace nitriding combination air intake structure - Google Patents
Meshbeltfurnace nitriding combination air intake structure Download PDFInfo
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- CN204665934U CN204665934U CN201520345994.0U CN201520345994U CN204665934U CN 204665934 U CN204665934 U CN 204665934U CN 201520345994 U CN201520345994 U CN 201520345994U CN 204665934 U CN204665934 U CN 204665934U
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- inlet pipe
- air inlet
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- nitrogen
- ammonia
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Abstract
The utility model discloses a kind of meshbeltfurnace nitriding combination air intake structure, comprise air inlet pipe with holes, nitrogen and hydrogen mixture air inlet pipe and ammonia air inlet pipe; Described in a pair, air inlet pipe with holes is arranged on the both sides of guipure, and described air inlet pipe with holes is provided with several air admission holes one; Described in a pair, nitrogen and hydrogen mixture air inlet pipe is arranged on the top of a pair air inlet pipe with holes, and one end of described nitrogen and hydrogen mixture air inlet pipe is stretched out horse and is not connected with nitrogen and hydrogen mixture source outward, and the other end is connected with air inlet pipe with holes; Described in a pair, ammonia air inlet pipe is arranged on the top of nitrogen and hydrogen mixture air inlet pipe described in a pair, one end of described ammonia air inlet pipe is stretched out horse and is not connected with ammonia source outward, the other end is arranged on horse by multiple bracing frame and not goes up, connected by multiple connection air inlet pipe between the other end of ammonia air inlet pipe described in a pair, described connection air inlet pipe offers several air admission holes two.The utility model can the large production of simulated field, promotes meshbeltfurnace nitriding test effect.
Description
Technical field
The utility model is specifically related to a kind of meshbeltfurnace nitriding combination air intake structure.
Background technology
Existing meshbeltfurnace is applicable to doing continuous decarburizing annealing test, and arrange air inlet pipe in stove Nei Mafu both sides, air inlet pipe is established some air admission holes, nitrogen hydrogen mixeding gas enters Ma Funei by air inlet pipe.To use meshbeltfurnace to carry out nitriding test, adding ammonia before in stove and mix with nitrogen hydrogen mixeding gas entering, then by air inlet pipe feeding stove.But because air inlet pipe is arranged in rectification burner hearth, and how long horse not has ten meters, and nitrogenizing effect is limited.General by regulating guipure speed, nitriding time and passing into ammonia flow at present, promote nitrogenizing effect to a certain extent, make nitrogen content to improve 50ppm, but, so still do not reach requirement, and if improve nitriding time, overlong time, cannot simulate large production.
Utility model content
The purpose of this utility model is to provide a kind of meshbeltfurnace nitriding to combine air intake structure, and it can the large production of simulated field, promotes meshbeltfurnace nitriding test effect.
The utility model solves the technical scheme that its technical problem adopts:
There is provided a kind of meshbeltfurnace nitriding to combine air intake structure, this air intake structure comprises air inlet pipe with holes, nitrogen and hydrogen mixture air inlet pipe and ammonia air inlet pipe;
Described in a pair, air inlet pipe with holes is arranged on the both sides of guipure, and described air inlet pipe with holes is provided with several air admission holes one;
Described in a pair, nitrogen and hydrogen mixture air inlet pipe is arranged on the top of air inlet pipe with holes described in a pair, and one end of described nitrogen and hydrogen mixture air inlet pipe is stretched out horse and is not connected with nitrogen and hydrogen mixture source outward, and the other end of described nitrogen and hydrogen mixture air inlet pipe is connected with air inlet pipe with holes;
Described in a pair, ammonia air inlet pipe is arranged on the top of nitrogen and hydrogen mixture air inlet pipe described in a pair, one end of described ammonia air inlet pipe is stretched out horse and is not connected with ammonia source outward, the other end of described ammonia air inlet pipe is arranged on horse by multiple bracing frame and not goes up, connected by multiple connection air inlet pipe between the other end of ammonia air inlet pipe described in a pair, described connection air inlet pipe offers several air admission holes two.
By technique scheme, described air inlet pipe with holes is evenly provided with 24 air admission holes one.
By technique scheme, described air admission hole one tilts 45 ° to arrange with vertical direction.
By technique scheme, the other end of described nitrogen and hydrogen mixture air inlet pipe is connected with the middle part of air inlet pipe with holes.
By technique scheme, connect air inlet pipe by 3 between the other end of ammonia air inlet pipe described in a pair and connect.
By technique scheme, described air admission hole two is vertically arranged.
By technique scheme, described connection air inlet pipe offers 5 air admission holes two.
The utility model, there is following beneficial effect: the utility model passes into nitrogen hydrogen mixeding gas by arranging nitrogen and hydrogen mixture air inlet pipe in air inlet pipe with holes, nitrogen hydrogen mixeding gas again through air admission hole one with around uniform and stable pressure, the sample of flow radiation on guipure, simultaneously, directly ammonia is sprayed through air admission hole two to the sample on guipure by arranging ammonia air inlet pipe, nitriding test can be realized, and nitrogenizing effect is remarkable, nitrogen content can reach 150-200ppm, the large production of simulated field can grope production technology.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the front view of the utility model embodiment;
Fig. 2 is the side view of the utility model embodiment;
Fig. 3 is the structural representation of ammonia air inlet pipe.
In figure: 1-ammonia air inlet pipe; 2-connects air inlet pipe; 3-air admission hole two; 4-bracing frame; 5-nitrogen and hydrogen mixture air inlet pipe; 6-air inlet pipe with holes; 7-air admission hole one; 8-sample; 9-guipure; 10-horse not.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
In preferred embodiment of the present utility model, as shown in Figure 1-Figure 3, a kind of meshbeltfurnace nitriding combination air intake structure, this air intake structure comprises air inlet pipe 6 with holes, nitrogen and hydrogen mixture air inlet pipe 5 and ammonia air inlet pipe 3;
A pair air inlet pipe 6 with holes is arranged on the both sides of guipure 9, and air inlet pipe 6 with holes is provided with several air admission holes 1;
A pair nitrogen and hydrogen mixture air inlet pipe 5 is arranged on the top of a pair air inlet pipe 6 with holes, and one end of nitrogen and hydrogen mixture air inlet pipe 5 is stretched out horse and is not connected with nitrogen and hydrogen mixture source outward, and the other end of nitrogen and hydrogen mixture air inlet pipe 5 is connected with air inlet pipe 6 with holes;
A pair ammonia air inlet pipe 1 is arranged on the top of a pair nitrogen and hydrogen mixture air inlet pipe 5, one end of ammonia air inlet pipe 1 is stretched out horse and is not connected with ammonia source outward, the other end of ammonia air inlet pipe 1 is arranged on horse not on 10 by multiple bracing frame 4, connected by multiple connection air inlet pipe 2 between the other end of a pair ammonia air inlet pipe 1, connect in air inlet pipe 2 and offer several air admission holes 23.
In preferred embodiment of the present utility model, as shown in Figure 2, air inlet pipe 6 with holes is evenly provided with 24 air admission holes 1.
In preferred embodiment of the present utility model, as shown in Figure 2, air admission hole 1 and vertical direction tilt 45 ° to arrange.
In preferred embodiment of the present utility model, as shown in Figure 2, the other end of nitrogen and hydrogen mixture air inlet pipe 5 is connected with the middle part of air inlet pipe 6 with holes.
In preferred embodiment of the present utility model, as shown in Figure 3, connect air inlet pipe 2 by 3 between the other end of a pair ammonia air inlet pipe 1 to connect.
In preferred embodiment of the present utility model, as shown in Figure 2, air admission hole 23 is vertically arranged.
In preferred embodiment of the present utility model, as shown in Figure 2, connect in air inlet pipe 2 and offer 5 air admission holes 23.
The utility model is when embody rule, as shown in Figure 1-Figure 3, not nitrogen and hydrogen mixture air inlet pipe 5 is set respectively in both sides horse, nitrogen and hydrogen mixture air inlet pipe 5 not connects the not inner air inlet pipe with holes 6 of horse in middle part horse, in order to keep pressure, the flow of gas inlet more uniform and stable, nitrogen and hydrogen mixture air inlet pipe 5 is connected to the middle part of air inlet pipe 6 with holes, passes into nitrogen, hydrogen gas mixture in nitrogen hydrogen blender air inlet pipe, or the humidified gases of these two kinds of gases.Air inlet pipe 6 with holes evenly has 24 air admission holes 1, on air admission hole 1 airintake direction and guipure 9, the operation of sample 8 in angle of 45 degrees, to guarantee that the maximized radiation of gas is around sample.One group of ammonia air inlet pipe 1 is stretched into above nitrogen and hydrogen mixture air inlet pipe 5, horse not middle part backward, due to the version of each air inlet pipe in bottom, in ammonia air inlet pipe, three groups of bracing frames 4 are set for 1 time, it is arc bottom bracing frame 4, be welded on below ammonia air inlet pipe 1, ensure that horse is not at high temperature out of shape retractable support ammonia air inlet pipe held stationary.Ammonia air inlet pipe 1 adopts a road house steward to be not before split up into two-way arm entering horse, between two-way arm rear end, connect air inlet pipe by 3 connect, each connection air inlet pipe is established 5 air admission holes 23 straight down, air admission hole 23 airintake direction, perpendicular to the sample 8 on guipure 9, makes ammonia be sprayed directly on on sample 8.
The utility model is adopting separately the air inlet of nitrogen and hydrogen mixture air inlet pipe, when ammonia air inlet pipe does not pass into gas, can use as continuous decarburizing annealing test; Pass into required nitrogen hydrogen mixeding gas in nitrogen and hydrogen mixture air inlet pipe, when passing into ammonia in ammonia air inlet pipe simultaneously, nitriding test can be realized, if ammonia pressure is not enough, nitrogen can be mixed into before logical ammonia, accelerate ammonia intake.The utility model configures temperature and the gas in Ge Lu district, can realize decarburizing annealing, nitriding integration test, expand the function of meshbeltfurnace.The utility model make simple, easy for installation, with low cost, can promote the use of, make test meshbeltfurnace realize continuous nitriding and can take into account decarburizing annealing test.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (7)
1. a meshbeltfurnace nitriding combination air intake structure, it is characterized in that, this air intake structure comprises air inlet pipe with holes, nitrogen and hydrogen mixture air inlet pipe and ammonia air inlet pipe;
Described in a pair, air inlet pipe with holes is arranged on the both sides of guipure, and described air inlet pipe with holes is provided with several air admission holes one;
Described in a pair, nitrogen and hydrogen mixture air inlet pipe is arranged on the top of air inlet pipe with holes described in a pair, and one end of described nitrogen and hydrogen mixture air inlet pipe is stretched out horse and is not connected with nitrogen and hydrogen mixture source outward, and the other end of described nitrogen and hydrogen mixture air inlet pipe is connected with air inlet pipe with holes;
Described in a pair, ammonia air inlet pipe is arranged on the top of nitrogen and hydrogen mixture air inlet pipe described in a pair, one end of described ammonia air inlet pipe is stretched out horse and is not connected with ammonia source outward, the other end of described ammonia air inlet pipe is arranged on horse by multiple bracing frame and not goes up, connected by multiple connection air inlet pipe between the other end of ammonia air inlet pipe described in a pair, described connection air inlet pipe offers several air admission holes two.
2. air intake structure according to claim 1, is characterized in that, described air inlet pipe with holes is evenly provided with 24 air admission holes one.
3. air intake structure according to claim 1, is characterized in that, described air admission hole one tilts 45 ° to arrange with vertical direction.
4. air intake structure according to claim 1, is characterized in that, the other end of described nitrogen and hydrogen mixture air inlet pipe is connected with the middle part of air inlet pipe with holes.
5. air intake structure according to claim 1, is characterized in that, connects air inlet pipe connect between the other end of ammonia air inlet pipe described in a pair by 3.
6. air intake structure according to claim 1, is characterized in that, described air admission hole two is vertically arranged.
7. air intake structure according to claim 1, is characterized in that, described connection air inlet pipe offers 5 air admission holes two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345994.0U CN204665934U (en) | 2015-05-26 | 2015-05-26 | Meshbeltfurnace nitriding combination air intake structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345994.0U CN204665934U (en) | 2015-05-26 | 2015-05-26 | Meshbeltfurnace nitriding combination air intake structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204665934U true CN204665934U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520345994.0U Expired - Fee Related CN204665934U (en) | 2015-05-26 | 2015-05-26 | Meshbeltfurnace nitriding combination air intake structure |
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| CN (1) | CN204665934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109338090A (en) * | 2018-11-30 | 2019-02-15 | 武汉钢铁有限公司 | Continuous annealing furnace decarburization nitriding device |
-
2015
- 2015-05-26 CN CN201520345994.0U patent/CN204665934U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109338090A (en) * | 2018-11-30 | 2019-02-15 | 武汉钢铁有限公司 | Continuous annealing furnace decarburization nitriding device |
| CN109338090B (en) * | 2018-11-30 | 2020-04-21 | 武汉钢铁有限公司 | Decarbonization and nitridation device of continuous annealing furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170717 Address after: 430083, Gate No. 2, Qingshan District, Hubei, Wuhan Patentee after: Wuhan iron and Steel Company Limited Address before: 430080 Wuhan, Hubei Friendship Road, No. 999, Wuchang Patentee before: Wuhan Iron & Steel (Group) Corp. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20190526 |