CN107812899A - On-line checking molds the device and detection method of argon gas protecting effect - Google Patents
On-line checking molds the device and detection method of argon gas protecting effect Download PDFInfo
- Publication number
- CN107812899A CN107812899A CN201610820999.3A CN201610820999A CN107812899A CN 107812899 A CN107812899 A CN 107812899A CN 201610820999 A CN201610820999 A CN 201610820999A CN 107812899 A CN107812899 A CN 107812899A
- Authority
- CN
- China
- Prior art keywords
- instrument
- argon
- argon gas
- regulating valve
- molding
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D7/00—Casting ingots, e.g. from ferrous metals
- B22D7/12—Appurtenances, e.g. for sintering, for preventing splashing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
Abstract
The invention provides the device and detection method of a kind of on-line checking molding argon gas protecting effect; the device includes passing sequentially through sampling pipe, cooling device, dehydrating unit, regulating valve, aspiration pump and the offgas duct of pipeline series connection; the first dust filter unit is provided between the sampling pipe and cooling device; instrument is additionally provided between the dehydrating unit and aspiration pump, is in be connected in parallel between the instrument and regulating valve.The detection method is：Before molding is poured into a mould, sampling pipe is connected with the probe tube of argon protecting cover, opens selector valve, closes regulating valve；Startup power supply, the argon gas in the argon protecting cover are discharged successively by sampling pipe, the first dust filter unit, cooling device, dehydrating unit, instrument, aspiration pump from offgas duct；Oxygen content data in argon protecting cover are shown in instrument.Advantages of the present invention is：Apparatus structure is novel, makes simply, improves execute-in-place automatization level.
Description
Technical field
A kind of auxiliary equipment during operation is molded the present invention relates to iron and steel metallurgical industry, refers in particular to be moulded into carry out argon gas
A kind of used device and its application method for monitoring argon for protecting pouring effect, this device are mainly used during molding casting operation
In the oxygen content situation in monitoring argon protecting cover, and the corresponding data monitoring result of real-time display in real time, scene is instructed to make
Industry personnel operate to carry out argon for protecting pouring, and then prevent molten steel from occurring the quality problems such as secondary oxidation in casting process.
Background technology
Special steel industry has many argon for protecting pouring methods in casting process is molded both at home and abroad at present, but does not monitor
The monitoring device and system of argon for protecting pouring effect, therefore in argon for protecting pouring operating process, operating personnel can only be
Open by opening argon gas before pouring, and be maintained at larger range of flow and carry out operation, as occurred other abnormal feelings in casting process
Condition causes argon for protecting pouring effect to get a desired effect, and on-site personnel is can not to judge that argon for protecting pouring is imitated
Fruit, it is impossible to effectively operated, if the quality such as bad secondary oxidation that can also directly contribute molten steel of argon for protecting pouring effect
Problem.
The content of the invention
For in the prior art the defects of, it is an object of the invention to provide on-line checking molding argon gas protecting effect device
And detection method.
The present invention is achieved by the following technical solutions：
A kind of device of on-line checking molding argon gas protecting effect, it includes passing sequentially through the sampling pipe that pipeline connects, cold
But device, dehydrating unit, regulating valve, aspiration pump and offgas duct, the first dust mistake is provided between the sampling pipe and cooling device
Filter, instrument is additionally provided between the dehydrating unit and aspiration pump, is in be connected in parallel between the instrument and regulating valve.
Preferably, selector valve is additionally provided between the cooling device and dehydrating unit, is also set on the selector valve
It is equipped with scavenging conduit.
Preferably, the second dust filter unit is additionally provided between the instrument and dehydrating unit.
A kind of argon gas detection method of the device based on foregoing on-line checking molding argon gas protecting effect, this method can pass through
The disclosed molding cast of ZL201310139464.6 is aided in realizing, specifically comprised the following steps with beam molding casting device：
Before molding is poured into a mould, by sampling pipe, (molding i.e. disclosed in ZL201310139464.6 is poured with argon protecting cover
The protective cover installed between the bottom of steel ladle of note and the feed trumpet cast gate for molding casting equipment) probe tube connect, open and select
Valve is selected, closes regulating valve；
Startup power supply, the argon gas in the argon protecting cover is successively by sampling pipe, the first dust filter unit, cooling dress
Put, dehydrating unit, instrument, aspiration pump, discharged from offgas duct；
Oxygen content data in argon protecting cover are shown in instrument, when the numerical value that instrument is shown is less than or equal to 5%, are said
The cast effect of bright argon gas protection is qualified；When the numerical value that instrument is shown is more than 5%, by tuning up argon flow amount or reducing argon gas
The numerical value that protective cover highly shows instrument reaches criterion of acceptability.
The step of foregoing argon gas detection method also includes cleaning：
Compressed air hose is connected to scavenging conduit, and closes selector valve, open regulating valve；
Compressed air is opened, after being purged, removes compressed air hose, and opens selector valve, close regulating valve.
Preferably, the time of the purging is not less than 3min.
Compared with prior art, the present invention has following beneficial effect：
1st, apparatus structure is novel, makes simply, improves execute-in-place automatization level；
When molding argon for protecting pouring the 2nd, can be monitored in real time, the oxygen content situation of change in argon protecting cover, and show in real time
Show Monitoring Data, instruct site operation personnel to carry out argon for protecting pouring operation, and then can ensure that the oxygen in argon protecting cover contains
Amount control is in very low level, raising ingot quality；
3rd, operating efficiency is high, and using effect is notable；
4th, simple to operate, labor intensity is low；
5th, execute-in-place environment is improved.
Brief description of the drawings
The detailed description made by reading with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is that the on-line checking of the present invention molds the apparatus structure schematic diagram of argon for protecting pouring atmosphere；
In figure：1st, sampling pipe；2nd, cooling device；3rd, dehydrating unit；41st, the first Powdex filter；42nd, the second powder filter
Device；5th, aspiration pump；6th, regulating valve；7th, instrument；8th, offgas duct；9th, selector valve；10th, scavenging conduit.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
As shown in figure 1, a kind of device of on-line checking molding argon gas protecting effect provided by the invention includes passing sequentially through
Sampling pipe 1, cooling device 2, dehydrating unit 3, regulating valve 6, aspiration pump 5 and the offgas duct 8 of pipeline series connection, sampling pipe 1 and cooling
The first dust filter unit 41 is provided between device 2, instrument 7, instrument 7 and regulating valve are additionally provided between dehydrating unit 3 and aspiration pump 5
It is in be connected in parallel between 6.
Selector valve 9 is additionally provided between cooling device 2 and dehydrating unit 3, for the ease of cleaning, is additionally provided with selector valve 9
Scavenging conduit 10.
In order to further improve filter effect, avoid detecting infringement of the gas to instrument, between instrument 7 and dehydrating unit 3 also
Provided with the second dust filter unit 42.
The connection of scavenging conduit 101, sampling pipe 102 and offgas duct 103 and external pipe is that detachable snap joint connects,
To facilitate execute-in-place.
A kind of argon gas detection method of device based on foregoing on-line checking molding argon gas protecting effect of the present invention,
This method can be realized by molding cast beam molding casting device auxiliary disclosed in ZL201310139464.6, specifically include
Following steps：
Before molding is poured into a mould, by sampling pipe, (molding i.e. disclosed in ZL201310139464.6 is poured with argon protecting cover
The protective cover installed between the bottom of steel ladle of note and the feed trumpet cast gate for molding casting equipment) probe tube connect, open and select
Valve is selected, closes regulating valve；
Startup power supply, the argon gas in the argon protecting cover is successively by sampling pipe, the first dust filter unit, cooling dress
Put, dehydrating unit, instrument, aspiration pump, discharged from offgas duct；
Oxygen content data in argon protecting cover are shown in instrument, when the numerical value that instrument is shown is less than or equal to 5%, are said
The cast effect of bright argon gas protection is qualified；When the numerical value that instrument is shown is more than 5%, by tuning up argon flow amount or reducing argon gas
The numerical value that protective cover highly shows instrument reaches criterion of acceptability；
Cast terminates, and argon protecting cover is unloaded.
Using after a period of time, it is necessary to line detect molding argon for protecting pouring atmosphere device clear up when,
Compressed air hose is connected to scavenging conduit, and closes selector valve, open regulating valve；
Compressed air is opened, after being purged at least 3min, removes compressed air hose, and opens selector valve, close regulation
Valve.
Compared with prior art, the present invention has following beneficial effect：
1st, apparatus structure is novel, makes simply, improves execute-in-place automatization level；
2nd, when the device can monitor molding argon for protecting pouring in real time, the oxygen content situation of change in argon protecting cover, and
Real-time display Monitoring Data, instruct site operation personnel to carry out argon for protecting pouring operation, and then can ensure that in argon protecting cover
Control for Oxygen Content in very low level, improve ingot quality；
3rd, the device operating efficiency is high, and using effect is notable；
4th, simple to operate, labor intensity is low；
5th, execute-in-place environment is improved.
In summary, only presently preferred embodiments of the present invention, is not used for limiting the scope that the present invention is implemented, it is all according to
The equivalent changes and modifications carried out by shape, construction, feature and spirit described in scope of the invention as claimed, this all should be included in
In the right of invention.
Claims (6)
1. a kind of device of on-line checking molding argon gas protecting effect, it is characterised in that including passing sequentially through adopting for pipeline series connection
Sample pipe, cooling device, dehydrating unit, regulating valve, aspiration pump and offgas duct, first is provided between the sampling pipe and cooling device
Dust filter unit, instrument is additionally provided between the dehydrating unit and aspiration pump, is in be connected in parallel between the instrument and regulating valve.
2. the device of on-line checking molding argon gas protecting effect as claimed in claim 1, it is characterised in that the cooling device
Selector valve is additionally provided between dehydrating unit, scavenging conduit is additionally provided with the selector valve.
3. the device of on-line checking as claimed in claim 1 molding argon gas protecting effect, it is characterised in that the instrument and remove
The second dust filter unit is additionally provided between wet device.
A kind of 4. argon gas based on the device of on-line checking molding argon gas protecting effect described in any one in claims 1 to 3
Detection method, it is characterised in that comprise the following steps：
Before molding is poured into a mould, sampling pipe is connected with the probe tube of argon protecting cover, opens selector valve, closes regulating valve；
Startup power supply, argon gas in the argon protecting cover successively by sampling pipe, the first dust filter unit, cooling device, remove
Wet device, instrument, aspiration pump, are discharged from offgas duct；
Oxygen content data in argon protecting cover are shown in instrument, when the numerical value that instrument is shown is less than or equal to 5%, illustrate argon
The cast effect of gas shielded is qualified；When the numerical value that instrument is shown is more than 5%, protected by tuning up argon flow amount or reducing argon gas
The numerical value that cover height shows instrument reaches criterion of acceptability.
5. argon gas detection method as claimed in claim 4, it is characterised in that the step of also including cleaning：
Compressed air hose is connected to scavenging conduit, and closes selector valve, open regulating valve；
Compressed air is opened, after being purged, removes compressed air hose, and opens selector valve, close regulating valve.
6. argon gas detection method as claimed in claim 5, it is characterised in that the time of the purging is not less than 3min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610820999.3A CN107812899A (en) | 2016-09-13 | 2016-09-13 | On-line checking molds the device and detection method of argon gas protecting effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610820999.3A CN107812899A (en) | 2016-09-13 | 2016-09-13 | On-line checking molds the device and detection method of argon gas protecting effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107812899A true CN107812899A (en) | 2018-03-20 |
Family
ID=61601435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610820999.3A Pending CN107812899A (en) | 2016-09-13 | 2016-09-13 | On-line checking molds the device and detection method of argon gas protecting effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107812899A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110394432A (en) * | 2019-08-22 | 2019-11-01 | 联峰钢铁（张家港）有限公司 | A kind of method of inspection and device of continuous casting protection pouring |
| CN112305043A (en) * | 2019-07-31 | 2021-02-02 | 宝钢工程技术集团有限公司 | Oxygen content measuring device for furnace chamber of plasma welding machine and using method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5549280A (en) * | 1995-06-06 | 1996-08-27 | Vesuvius Crucible Company | Probe system for reliably monitoring a condition in a metallurgical process |
| CN201596773U (en) * | 2010-01-13 | 2010-10-06 | 鞍钢股份有限公司 | Automatic argon blowing control device for molten steel tank of continuous casting machine |
| CN102029385A (en) * | 2009-09-26 | 2011-04-27 | 大冶特殊钢股份有限公司 | Casting device for casting protection of high-quality special steel mold and technique thereof |
| CN102080932A (en) * | 2010-12-02 | 2011-06-01 | 苏州中门子科技有限公司 | Gas online detection device in protective gas heat treatment furnace |
| CN102494927A (en) * | 2011-11-17 | 2012-06-13 | 神华集团有限责任公司 | Sample gas processing detection system and method for on-line analysis meter |
| CN104096830A (en) * | 2013-04-15 | 2014-10-15 | 维苏威高级陶瓷(苏州)有限公司 | Ladle long-nozzle argon tank |
| CN104107887A (en) * | 2013-04-19 | 2014-10-22 | 宝钢特钢有限公司 | Injection flow protection device and method for die casting pouring |
-
2016
- 2016-09-13 CN CN201610820999.3A patent/CN107812899A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5549280A (en) * | 1995-06-06 | 1996-08-27 | Vesuvius Crucible Company | Probe system for reliably monitoring a condition in a metallurgical process |
| CN102029385A (en) * | 2009-09-26 | 2011-04-27 | 大冶特殊钢股份有限公司 | Casting device for casting protection of high-quality special steel mold and technique thereof |
| CN201596773U (en) * | 2010-01-13 | 2010-10-06 | 鞍钢股份有限公司 | Automatic argon blowing control device for molten steel tank of continuous casting machine |
| CN102080932A (en) * | 2010-12-02 | 2011-06-01 | 苏州中门子科技有限公司 | Gas online detection device in protective gas heat treatment furnace |
| CN102494927A (en) * | 2011-11-17 | 2012-06-13 | 神华集团有限责任公司 | Sample gas processing detection system and method for on-line analysis meter |
| CN104096830A (en) * | 2013-04-15 | 2014-10-15 | 维苏威高级陶瓷(苏州)有限公司 | Ladle long-nozzle argon tank |
| CN104107887A (en) * | 2013-04-19 | 2014-10-22 | 宝钢特钢有限公司 | Injection flow protection device and method for die casting pouring |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305043A (en) * | 2019-07-31 | 2021-02-02 | 宝钢工程技术集团有限公司 | Oxygen content measuring device for furnace chamber of plasma welding machine and using method thereof |
| CN110394432A (en) * | 2019-08-22 | 2019-11-01 | 联峰钢铁（张家港）有限公司 | A kind of method of inspection and device of continuous casting protection pouring |
| CN110394432B (en) * | 2019-08-22 | 2021-09-07 | 联峰钢铁（张家港）有限公司 | Method and device for inspecting continuous casting protection pouring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206095546U (en) | Sealed harmless testing arrangement of conticaster water cooled machine | |
| CN106324197B (en) | A kind of atmosphere pollution detection means for being easy to cleaning | |
| CN107812899A (en) | On-line checking molds the device and detection method of argon gas protecting effect | |
| CN203546065U (en) | Audio type converter splashing prediction system | |
| CN103712816B (en) | The systemic checking method that a kind of RH stove vacuum tightness is not up to standard | |
| CN110788286B (en) | Steel ingot protection pouring device and method thereof | |
| CN104073600A (en) | Steel ladle bottom-blowing air brick pressurization blocking blowing gas supply system and method | |
| CN109332333A (en) | A kind of Environmental-protection dust removal device and the intelligent automatic collection method of flue dust | |
| CN110007049A (en) | A kind of gas pipeline hydrogen sulfide real-time analyzer and real-time analysis method | |
| CN203498402U (en) | Cooling wall water leakage detection device | |
| CN206408091U (en) | A kind of cover-plate glass platinum channel tank diameter blowdown headstock gear | |
| CN210923164U (en) | Sampling pipeline of atmosphere analyzer in furnace | |
| CN113005254A (en) | Unmanned intelligent steelmaking system and steelmaking method | |
| JP2001330540A (en) | Method of collecting sample gas for exhaust gas analyzer | |
| CN203551180U (en) | Converter opening micro-differential pressure measuring pressure tapping device | |
| CN208043112U (en) | A kind of heater for rolling steel pollutant emission automatic monitoring device | |
| CN109099312A (en) | Cold drum or crude benzol workshop section emission-control equipment and the method for intelligent pressure maintaining and control oxygen | |
| CN115524283A (en) | RH loop immersion pipe detection device and method | |
| CN210626390U (en) | Oxygen content measuring device for furnace chamber of plasma welding machine | |
| CN220625933U (en) | Pretreatment system of gas oxygen analyzer | |
| CN209857482U (en) | Waterway system and semiconductor production equipment | |
| CN115611534A (en) | Carbon solidification method for solid slag of carbon steel slag | |
| CN206662219U (en) | A kind of nodulizer adding apparatus | |
| CN106222339A (en) | A kind of single treatment technique based on rustless steel difference slag and device | |
| CN206014976U (en) | A kind of single treatment device based on rustless steel difference slag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180320 |