CN201522464U - Converter throwing-falling type crystal fixed carbon probe - Google Patents
Converter throwing-falling type crystal fixed carbon probe Download PDFInfo
- Publication number
- CN201522464U CN201522464U CN200920074651XU CN200920074651U CN201522464U CN 201522464 U CN201522464 U CN 201522464U CN 200920074651X U CN200920074651X U CN 200920074651XU CN 200920074651 U CN200920074651 U CN 200920074651U CN 201522464 U CN201522464 U CN 201522464U
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- detection head
- metal detection
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model relates to a converter throwing-falling type crystal fixed carbon probe, which mainly solves the technical problem that impurities in molten steel of an existing throwing-falling type detecting probe are easy to enter a crystal fixed carbon chamber to affect the testing precision, and comprises a metal detecting head, a probe protection tube, a crystal fixed carbon chamber and a temperature thermocouple, wherein a fixed carbon thermocouple and deoxidizer are further arranged in the crystal fixed carbon chamber, the temperature thermocouple and the fixed carbon thermocouple are connected with a high temperature flame-retardant signal cable, and the other end of the high temperature flame-retardant signal cable is fixed on a positioning block and is connected with a signal connector on the positioning block. The converter throwing-falling type crystal fixed carbon probe is characterized in that the hot ends of the temperature thermocouple and the fixed carbon thermocouple toward the outer end surface of the metal probe, a quartz tube passes through the outer end surface of the metal detecting head to enter the crystal fixed carbon chamber and to be used as a molten steel inlet passage, the outer end surface of the metal probe is fixed with a detecting probe sharp cone, a couple seat of the fixed carbon thermocouple is a phaneropore porous resins sand sintering part, and the inner end surface of the metal detecting head is provided with a porous ceramics exhaust hood. The converter throwing-falling type crystal fixed carbon probe is used to rapidly and accurately detect molten steel in a converter.
Description
Technical field:
The utility model relates to a kind of oxygen top-blown converter that is used to make steel, and bessemerizing the middle and later periods not under the state of falling the stove, molten steel in the stove is carried out the instant probe that accurately detects fast, and particularly a kind of converter is thrown the formula crystallization and decide carbon and pops one's head in.
Background technology:
The main steelmaking equipment of China is the compound blow converter of the oxygen top blown or the oxygen end, top at present, if can be in middle and later periods of bessemerizing not under the situation of falling the stove, use a kind of quick accurate detection mode, molten steel in the stove is carried out instant accurate composition detection, and carry out corresponding technological operation according to detecting the gained data, the terminal point hit rate can be improved, shorten the heat, improve steel quality and various consumption can be reduced.The stove that do not fall that now only has the big converter of small part nominal capacity to use sublance to carry out the interior molten steel of converter stove detects immediately, still have most of converters because a variety of causes does not adopt sublance, one of reason is that the bulky structure of sublance equipment is complicated and cause that disposable input is excessive, maintenance cost is high, former two is because converter mouth size or fire door upper space are not enough therefore, causes the sublance system that takes up room bigger can not be installed.
Chinese patent 200720068344.1 discloses " converter is thrown the crystallization of formula molten steel and decided the carbon detection probe "; comprise the metal detection head; the metal detection head is placed in the end in the probe protection tubes pipe; the metal detection head rest is closely popped one's head in and protected the end face of the paper tube mouth of pipe is the outer face; it is characterized in that: the inner face axially parallel of metal detection head is equipped with crystallization and decides the carbon chamber; temperature thermocouple; crystallization is decided indoor also being equipped with of carbon and is decided the carbon thermopair; deoxidizer; the idol seat of deciding the carbon thermopair is placed in the metal detection head; decide the carbon thermocouple cold junction by resin sand parcel and decide the carbon chamber with crystallization and form one; crystallization is decided the carbon chamber and is provided with the molten steel inlet at the end face away from the metal detection head; temperature thermocouple is with the protection of steel cap outward; temperature thermocouple with decide the carbon thermopair and be connected with heat-resistant fireproof signal cable line; the metal detection head is inserted in the termination of heat-resistant fireproof signal cable line, and the heat-resistant fireproof signal cable line other end is fixed on the locating piece and is connected with signal socket connector on being fixed on locating piece.This patent is applied to the method for testing of carbon content in " carbon is decided in crystallization " fast measuring molten steel on the throwing type fast detecting probe, has solved to adopt delivery mode to the instant difficult problem that detects of molten steel 0.15%--0.80% carbon content.But also there is following technical matters in this patent: enter the mouth and to be arranged on end face away from the metal detection head because the molten steel of carbon chamber decide in crystallization, just when detection probe enters molten steel, molten steel is to decide the carbon chamber from entering crystallization from the probe top perpendicular to the molten steel face, make the impurity in the scope of slag steel interface also enter easily wherein, influenced the authenticity and the representativeness of Tc.
The utility model content:
The purpose of this utility model provides a kind of formula molten steel crystallization of throwing that the middle and high carbon steel water of converter (the molten steel carbon content is 0.15%-1.3%) is carried out accurately detecting immediately and decides the carbon detection probe.Mainly solving the existing impurity of throwing in the formula detection probe molten steel enters crystallization easily and decides the technical matters that the carbon chamber influences accuracy of detection.
The technical solution of the utility model is: converter is thrown the formula crystallization and is decided the carbon probe; comprise the metal detection head; the metal detection head is placed in the end in the probe protection tubes pipe; the end face of the nearly probe protection tubes mouth of pipe of metal detection head rest is the outer face; by the inside axially parallel in metal detection head outer face crystallization is installed and decides the carbon chamber; temperature thermocouple; the indoor deoxidizer that also is equipped with of carbon is decided in crystallization; decide the carbon thermopair; reach the idol seat of deciding the carbon thermopair; temperature thermocouple with decide the carbon thermopair and be connected with heat-resistant fireproof signal cable line; the metal detection head is inserted in the termination of heat-resistant fireproof signal cable line; the heat-resistant fireproof signal cable line other end is fixed on the locating piece and is connected with signal socket connector on being fixed on locating piece; it is characterized in that: temperature thermocouple and decide the hot junction of carbon thermopair all towards metal detection head outer face; one quartz ampoule passes metal detection head outer face and enters crystallization and decide the carbon chamber as the molten steel admission passage; be fixed with the detection probe pointed cone in metal detection head outer face, the idol seat of deciding the carbon thermopair is porous resin sand sintered part.
For guaranteeing heat-resistant fireproof signal cable wire-wound line placement shape, retaining line wooden unit is set at heat-resistant fireproof signal cable line and metal detection head link; In order to make molten steel enter crystallization when deciding the carbon chamber, the gas of crystallisation chamber can be discharged in the outer molten steel of probe quick and completely and make molten steel can not enter in the probe, settle hood at metal detection head inner face, hood is an apparent pore porous ceramics spare, and the heat-resistant fireproof signal cable line of being drawn by the metal detection head passes from the mesopore of hood.
The beneficial effects of the utility model are: the hood setting of deciding carbon thermopair idol seat and porous ceramics making that apparent pore porous resin sand sintering is made has ensured when molten steel enters crystallisation chamber, crystallization chamber gas discharges in molten steel fast and reliably, the design that the molten steel import of carbon chamber is decided in crystallization has ensured that in time possessing of molten steel crystallization condition and molten steel crystallization condition are stable, suffered resistance minimum when the detection probe pointed cone penetrates slag and enters molten steel, thus probe enters the desirable detection degree of depth.
Description of drawings:
Fig. 1 is the utility model structural representation
Among the figure: 1-metal detection head; the carbon chamber is decided in the 2-crystallization, and 3-temperature thermocouple, 4-are decided the carbon thermopair; the 5-deoxidizer; the 6-quartz ampoule, 7-idol seat, 8-heat-resistant fireproof signal cable line; 9-detection probe pointed cone; 10-probe protection paper tube, 11-retaining line wooden unit, 12-location wooden unit, 13-signal socket connector, 14-hood.
Embodiment:
With reference to accompanying drawing 1; a kind of converter is thrown the formula crystallization and is decided the carbon probe; comprise metal detection head 1; metal detection head 1 is placed in the end in probe protection paper tube 10 pipes; metal detection head 1 is the outer face near the end face of probe protection paper tube 10 mouths of pipe; by the inside axially parallel in metal detection head outer face crystallization is installed and decides carbon chamber 2; temperature thermocouple 3; crystallization decides also to be equipped with in the carbon chamber 2 deoxidizer 5; decide carbon thermopair 4; reach the idol seat 7 of deciding the carbon thermopair; temperature thermocouple 3 with decide carbon thermopair 4 and be connected with heat-resistant fireproof signal cable line 8; metal detection head 1 is inserted in the termination of heat-resistant fireproof signal cable line 8; heat-resistant fireproof signal cable line 8 other ends be fixed on the wooden unit 12 of location and be fixed on the signal socket connector 13 of location on the wooden unit and be connected; temperature thermocouple 3 and decide the hot junction of carbon thermopair 4 all towards metal detection head 1 outer face; one quartz ampoule 6 passes metal detection head outer face and enters crystallization and decide the carbon chamber as the molten steel admission passage; be fixed with detection probe pointed cone 9 in metal detection head outer face, the idol seat 7 of deciding the carbon thermopair is apparent pore porous resin sand sintered part.
For guaranteeing heat-resistant fireproof signal cable wire-wound line placement shape, retaining line wooden unit 11 is set at heat-resistant fireproof signal cable line and metal detection head link; In order to make molten steel enter crystallization when deciding carbon chamber 2, the gas of carbon chamber is decided in crystallization can be discharged in the outer molten steel of probe and make molten steel can not enter in the probe quick and completely, settle hood 14 at metal detection head inner face, hood 14 is a porous ceramics spare, hood 14 usefulness screws are fixed on metal detection 1 inner face, and the heat-resistant fireproof signal cable line 8 of being drawn by the metal detection head passes from the mesopore of hood 14.
This probe by special probe throw mechanism from converter mouth top charging chute or revolving furnace fume hood oxygen rifle hole or the sublance hole put in the converter stove the molten steel.The utility model is the modified on Chinese patent 200720068344.1 bases.Not improved content is identical with Chinese patent 200720068344.1.
Claims (2)
1. a converter is thrown the formula crystallization and is decided the carbon probe; comprise the metal detection head; the metal detection head is placed in the end in the probe protection tubes pipe; the end face of the nearly probe protection tubes mouth of pipe of metal detection head rest is the outer face; by the inside axially parallel in metal detection head outer face crystallization is installed and decides the carbon chamber; temperature thermocouple; the indoor deoxidizer that also is equipped with of carbon is decided in crystallization; decide the carbon thermopair; reach the idol seat of deciding the carbon thermopair; temperature thermocouple with decide the carbon thermopair and be connected with heat-resistant fireproof signal cable line; the metal detection head is inserted in the termination of heat-resistant fireproof signal cable line; the heat-resistant fireproof signal cable line other end is fixed on the locating piece and is connected with signal socket connector on being fixed on locating piece; it is characterized in that: temperature thermocouple and decide the hot junction of carbon thermopair all towards metal detection head outer face; one quartz ampoule passes metal detection head outer face and enters crystallization and decide the carbon chamber as the molten steel admission passage; be fixed with the detection probe pointed cone in metal detection head outer face; the idol seat of deciding the carbon thermopair is apparent pore porous resin sand sintered part; settle hood at metal detection head inner face; the heat-resistant fireproof signal cable line of being drawn by the metal detection head passes from the mesopore of hood, and described hood is a porous ceramics spare.
2. converter according to claim 1 is thrown the formula crystallization and is decided the carbon probe, it is characterized in that: at heat-resistant fireproof signal cable line and metal detection head link retaining line wooden unit is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920074651XU CN201522464U (en) | 2009-10-29 | 2009-10-29 | Converter throwing-falling type crystal fixed carbon probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920074651XU CN201522464U (en) | 2009-10-29 | 2009-10-29 | Converter throwing-falling type crystal fixed carbon probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201522464U true CN201522464U (en) | 2010-07-07 |
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ID=42508642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920074651XU Expired - Fee Related CN201522464U (en) | 2009-10-29 | 2009-10-29 | Converter throwing-falling type crystal fixed carbon probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201522464U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385804A (en) * | 2015-09-28 | 2016-03-09 | 武汉钢铁(集团)公司 | Integrated sand base and composite probe |
| CN105738348A (en) * | 2016-05-10 | 2016-07-06 | 中国科学技术大学 | High-temperature-resistant immersion probe for laser-induced breakdown spectroscopy system |
| CN109897936A (en) * | 2019-04-29 | 2019-06-18 | 连铸 | A kind of detection system continuously detecting liquid steel temperature and composition for pneumatic steelmaking |
-
2009
- 2009-10-29 CN CN200920074651XU patent/CN201522464U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385804A (en) * | 2015-09-28 | 2016-03-09 | 武汉钢铁(集团)公司 | Integrated sand base and composite probe |
| CN105738348A (en) * | 2016-05-10 | 2016-07-06 | 中国科学技术大学 | High-temperature-resistant immersion probe for laser-induced breakdown spectroscopy system |
| CN105738348B (en) * | 2016-05-10 | 2018-04-10 | 中国科学技术大学 | High temperature resistant immersion cell for LIBS system |
| CN109897936A (en) * | 2019-04-29 | 2019-06-18 | 连铸 | A kind of detection system continuously detecting liquid steel temperature and composition for pneumatic steelmaking |
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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: 20100707 Termination date: 20111029 |