CN204298422U - A kind of dust guard - Google Patents
A kind of dust guard Download PDFInfo
- Publication number
- CN204298422U CN204298422U CN201420627227.4U CN201420627227U CN204298422U CN 204298422 U CN204298422 U CN 204298422U CN 201420627227 U CN201420627227 U CN 201420627227U CN 204298422 U CN204298422 U CN 204298422U
- Authority
- CN
- China
- Prior art keywords
- valve
- pipeline
- flame detector
- nitrogen
- pipe
- Prior art date
- 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 - Lifetime
Links
- 239000000428 dust Substances 0.000 title claims abstract description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 71
- 239000001301 oxygen Substances 0.000 claims abstract description 39
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 39
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 36
- 238000001291 vacuum drying Methods 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 abstract description 13
- 239000011521 glass Substances 0.000 abstract description 8
- 238000007670 refining Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009489 vacuum treatment Methods 0.000 description 1
Landscapes
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model provides a kind of dust guard, and described device comprises: flame detector, and the other end of described flame detector is connected with oxygen rifle by the first pipeline, and the other end of described flame detector is connected with exploration hole, for detecting the temperature in vacuum drying oven; Nitrogen chamber, described nitrogen chamber is connected with described first pipeline by second pipe, described second pipe is provided with the first valve; Second valve, one end of described second valve is connected with one end of described first valve, and the other end of described second valve is connected with the other end of described first valve; By the unlatching of described second valve, nitrogen is blown in described first pipeline, makes described first pipeline remain on barotropic state, guarantee that described exploration hole keeps clean, make described flame detector accurately detect temperature in described vacuum drying oven.So, in vacuum refining process flow process, can guarantee that the transparent glass sheet between flame detector and oxygen channel keeps clean, and then ensure that flame detector normally works.
Description
Technical field
The utility model belongs to vacuum refining process technical field, particularly relates to a kind of dust guard.
Background technology
In vacuum refining process flow process, RH oxygen rifle is the multifunctional oxygen lance of poly-baking on vacuum equipment, stream slag, oxygen blast, Multipurpose thermal insulation, because RH oxygen rifle igniter utilizes high temperature deflagration type to light a fire, require that the temperature in vacuum furnace body could normal ignition higher than more than 600 °.When during baking, oxygen rifle drops to 13500mm level height, oxygen valve and gas valve are opened, and igniting is normal.If but after gas valve and oxygen valve open, during loss of ignition, coal gas and oxygen will discharge in a large number, accident of will blasting after reaching certain concentration, so be provided with flame detector, to detect flare up fire at oxygen rifle top; Described flame detector also can be described as ultraviolet analysis instrument.In 18 seconds after oxygen valve is opened, if flame detector detection is less than flare up fire, then automatically closes oxygen valve and gas valve, and oxygen rifle is promoted to indoor standby position.RH oxygen rifle flame detection device is the safety guard of oxygen rifle thus, is also the core apparatus of oxygen rifle.
In order to ensure the quality of variety steel, residual slag in vacuum chamber to be processed within the off time of each group production schedule, but usually after production terminates, flame detector will break down, can not normal ignition, cause baking, cisco unity malfunction such as subsequent process flow such as stream slag, insulation etc.Through checking, the peep-hole between flame detector and oxygen channel is covered by dust, has blocked the flame in vacuum furnace body, causes flame detector to detect less than flare up fire.Described peep-hole is made by clear glass, in prior art, is generally the normal work ensureing flame detector by manually changing glass, but replacing glass needs the time of at substantial, causes production efficiency degradation.
Utility model content
For prior art Problems existing, of the present utility modelly embodiments provides a kind of dust guard, in vacuum refining process flow process, can guarantee that the clear glass between flame detector and oxygen channel keeps clean.
The utility model discloses a kind of dust guard, described device comprises:
Flame detector, one end of described flame detector is connected with oxygen rifle by the first pipeline, and the other end of described flame detector is connected with exploration hole, for detecting the temperature in vacuum drying oven;
Nitrogen chamber, described nitrogen chamber is connected with described first pipeline by second pipe, described second pipe is provided with the first valve;
Second valve, one end of described second valve is connected with one end of described first valve, and the other end of described second valve is connected with the other end of described first valve; By the unlatching of described second valve, nitrogen is blown in described first pipeline, makes described first pipeline remain on barotropic state, guarantee that described exploration hole keeps clean, make described flame detector accurately detect temperature in described vacuum drying oven.
In such scheme, described device also comprises:
3rd valve, described 3rd valve is arranged on described first pipeline;
Flame detector, described flame detector is arranged on one end of described first pipeline.
In such scheme, described device also comprises:
4th valve, one end of described 4th valve is connected with one end of described 3rd valve, and the other end of described 4th valve is connected with the other end of described 3rd valve.
In such scheme, described device also comprises:
Gas chamber, described gas chamber is connected with described first pipeline by the 3rd pipeline, and described 3rd pipeline is provided with the 5th valve.
In such scheme, described first pipeline comprises: oxygen channel.
In such scheme, described second pipe comprises: the first nitrogen pipeline.
In such scheme, described 3rd pipeline comprises: gas piping.
In such scheme, described exploration hole is provided with slide.
The dust guard that the utility model embodiment provides, described device comprises: flame detector, and one end of described flame detector is connected with oxygen rifle by the first pipeline, and the other end of described flame detector is connected with exploration hole, for detecting the temperature in vacuum drying oven; Nitrogen chamber, described nitrogen chamber is connected with described first pipeline by second pipe, described second pipe is provided with the first valve; Second valve, one end of described second valve is connected with one end of described first valve, and the other end of described second valve is connected with the other end of described first valve; By the unlatching of described second valve, nitrogen is blown in described first pipeline, makes described first pipeline remain on barotropic state, guarantee that described flame detector accurately detects the temperature in described vacuum drying oven.So, guarantee that the slide on described exploration hole keeps clean, and then ensure that flame detector normally works.
Accompanying drawing explanation
The dust guard overall structure schematic diagram that Fig. 1 provides for the utility model embodiment.
Description of reference numerals:
101-flame detector; 102-first pipeline; 103-oxygen rifle; 104-exploration hole; 105-vacuum drying oven; 106-nitrogen chamber; 107-second pipe; 108-first valve; 109-second valve; 110-the 3rd valve; 111-the 4th valve; 112-gas chamber; 113-the 3rd pipeline; 114-the 5th valve; 115-the 4th pipeline; 116-the 6th valve.
Detailed description of the invention
In order to content of the present utility model can be understood better, first introduce the reason that peep-hole is blocked by dust herein.In process of production, oxygen rifle is in 16050mm level height; When vacuumizing vacuum drying oven, vacuum drying oven is interior, oxygen rifle, oxygen channel and gas piping are all in vacuum state; Oxygen rifle, oxygen channel and gas piping are all in negative pressure state.At the end of the steel treatment in vacuum drying oven, will to filling nitrogen in vacuum drying oven to destroy vacuum state, because nitrogen pressure is 0.5Mpa, so when nitrogen at a high speed enter vacuum drying oven and in the equipment that is connected with vacuum chamber time, the dust carried secretly in nitrogen in molten steel also enters in oxygen channel simultaneously, and is attached on the transparent glass sheet of exploration hole.In continuous flow procedure, the dust on clear glass takes care of the pence, and has finally sheltered from flame detector, causes flame detector not work.
Based on this, the utility model embodiment provides a kind of dust guard, and described device comprises: flame detector, and one end of described flame detector is connected with oxygen rifle by the first pipeline, the other end of described flame detector is connected with exploration hole, for detecting the temperature in vacuum drying oven;
Nitrogen chamber, described nitrogen chamber is connected with described first pipeline by second pipe, described second pipe is provided with the first valve;
Second valve, one end of described second valve is connected with one end of described first valve, and the other end of described second valve is connected with the other end of described first valve; By the unlatching of described second valve, nitrogen is blown in described first pipeline, makes described first pipeline remain on barotropic state, avoid dust to enter in the first pipeline with nitrogen, block described exploration hole.
Below by drawings and the specific embodiments, the technical solution of the utility model is further described in detail.
The utility model provides a kind of dust guard, and as shown in Figure 1, described device comprises:
Flame detector 101, one end of described flame detector 101 is connected with oxygen rifle 103 by the first pipeline 102, and the other end of described flame detector 101 is connected with exploration hole 104, for detecting the temperature in vacuum drying oven 105;
Nitrogen chamber 106, described nitrogen chamber 106 is connected with described first pipeline 103 by second pipe 107, described second pipe 107 is provided with the first valve 108;
Second valve 109, one end of described second valve 109 is connected with one end of described first valve 108, and the other end of described second valve 109 is connected with the other end of described first valve 108; By the unlatching of described second valve 109, nitrogen is blown in described first pipeline 103, described first pipeline 103 is made to remain on barotropic state, when filling nitrogen to destroy vacuum to described vacuum drying oven 105, the nitrogen being entrained with dust can not enter described first pipeline 103, keeps clean to make the slide on exploration hole.Described slide can comprise: resistant to elevated temperatures quartz glass plate etc.
Here, described device also comprises: the 3rd valve 110, and described 3rd valve 110 is arranged on described first pipeline 103.
4th valve 111, one end of described 4th valve 111 is connected with one end of described 3rd valve 110, and the other end of described 4th valve 111 is connected with the other end of described 3rd valve 110.
Gas chamber 112, described gas chamber 112 is connected with described first pipeline 103 by the 3rd pipeline 113, and described 3rd pipeline 113 is provided with the 5th valve 114.
Wherein, described first pipeline 103 comprises: oxygen channel; Described second pipe 107 comprises: the first nitrogen pipeline; Described 3rd pipeline 113 comprises: gas piping.
Here, described device also comprises: the 4th pipeline 115, and one end of described 4th pipeline 115 is connected with one end of second pipe 107, and the other end of described 4th pipeline 115 is connected with described first pipeline 103; Described 4th pipeline 115 is provided with the 6th valve 116.Described 4th pipeline 115 is the second nitrogen pipeline.
Here, described first valve 108 is the first nitrogen valve; Described second valve 108 is the second nitrogen valve; Described 3rd valve 110 is the first oxygen valve; Described 4th valve 111 is the second oxygen valve; Described 5th valve 114 is gas valve; Described 6th valve 116 is the 3rd nitrogen valve.
In practical application, in vacuum refining process flow process, by increasing by the second valve 109, and control described second valve 109 and described 6th valve 116 synchronous opening/closing, to make in process of production, by described second valve 109, little tolerance nitrogen is blown into oxygen channel, makes oxygen channel inside keep local barotropic state.When filling nitrogen to vacuum drying oven 105 and destroying vacuum, the nitrogen being entrained with dust can not enter oxygen channel, and then detecting glass keeps clean.
The dust guard that the utility model provides, in various RH vacuum treatment installation, makes flame detector 101 normally work, and production process is continuous, effectively shortens work interval, improves production efficiency.
The above; be only preferred embodiment of the present utility model; be not intended to limit protection domain of the present utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a dust guard, is characterized in that, described device comprises:
Flame detector, one end of described flame detector is connected with oxygen rifle by the first pipeline, and the other end of described flame detector is connected with exploration hole, for detecting the temperature in vacuum drying oven;
Nitrogen chamber, described nitrogen chamber is connected with described first pipeline by second pipe, described second pipe is provided with the first valve;
Second valve, one end of described second valve is connected with one end of described first valve, and the other end of described second valve is connected with the other end of described first valve; By the unlatching of described second valve, nitrogen is blown in described first pipeline, makes described first pipeline remain on barotropic state, guarantee that described exploration hole keeps clean, make described flame detector accurately detect temperature in described vacuum drying oven.
2. device as claimed in claim 1, it is characterized in that, described device also comprises:
3rd valve, described 3rd valve is arranged on described first pipeline.
3. device as claimed in claim 2, it is characterized in that, described device also comprises:
4th valve, one end of described 4th valve is connected with one end of described 3rd valve, and the other end of described 4th valve is connected with the other end of described 3rd valve.
4. device as claimed in claim 1, it is characterized in that, described device also comprises:
Gas chamber, described gas chamber is connected with described first pipeline by the 3rd pipeline, and described 3rd pipeline is provided with the 5th valve.
5. device as claimed in claim 1, it is characterized in that, described first pipeline comprises: oxygen channel.
6. device as claimed in claim 1, it is characterized in that, described second pipe comprises: the first nitrogen pipeline.
7. device as claimed in claim 4, it is characterized in that, described 3rd pipeline comprises: gas piping.
8. device as claimed in claim 1, is characterized in that, described exploration hole is provided with slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627227.4U CN204298422U (en) | 2014-10-27 | 2014-10-27 | A kind of dust guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627227.4U CN204298422U (en) | 2014-10-27 | 2014-10-27 | A kind of dust guard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204298422U true CN204298422U (en) | 2015-04-29 |
Family
ID=53103979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420627227.4U Expired - Lifetime CN204298422U (en) | 2014-10-27 | 2014-10-27 | A kind of dust guard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204298422U (en) |
-
2014
- 2014-10-27 CN CN201420627227.4U patent/CN204298422U/en not_active Expired - Lifetime
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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: 20180116 Address after: No. 12, No. four, metallurgical Avenue, Qingshan District, Wuhan, Hubei Province, attached to four Patentee after: Wuhan Hanwei Secondary Refining Engineering Co., Ltd. Address before: 430080 Friendship Avenue, Hubei, Wuhan, No. 999 Patentee before: Wuhan Iron & Steel (Group) Corp. |