CN203448404U - Nitrogen electric heating device for strip rolling line - Google Patents
Nitrogen electric heating device for strip rolling line Download PDFInfo
- Publication number
- CN203448404U CN203448404U CN201320527991.XU CN201320527991U CN203448404U CN 203448404 U CN203448404 U CN 203448404U CN 201320527991 U CN201320527991 U CN 201320527991U CN 203448404 U CN203448404 U CN 203448404U
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- China
- Prior art keywords
- nitrogen
- electric heater
- heater
- roll line
- strip roll
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- Expired - Fee Related
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Abstract
A nitrogen electric heating device for a strip rolling line comprises a support, a heater shell connected with the support, an electric heater arranged in the heater shell, a heating controller connected with the electric heater, a nitrogen outlet and a nitrogen inlet which are formed in the heater shell, a temperature measuring instrument and a flowmeter which are connected to the nitrogen outlet, a flow adjusting switch connected to the nitrogen inlet, and an insulation layer on the inner wall of the heater shell. The nitrogen electric heating device for the strip rolling line has the characteristics that nitrogen is fast in heating and cooling speed which can achieve 10DEG C/S; electric heating pipes are uniform in heating, good in mechanical property and long in service life; the mounting is convenient and the disassembly is fast.
Description
Technical field
The utility model relates to a kind of heater, specifically belongs to a kind of strip roll line nitrogen electric heater unit.
Background technology
In the production of steel band; in order to prevent that strip surface in during Hot Strip Rolling from producing oxidative phenomena; conventionally in strip rolling mill practice section, adopt the technical measures of nitrogen protection rolling; be that the rolling of band overall process is all carried out in being full of the nitrogen protecting cover of uniform temperature; with by nitrogen temperature, flow, pressure in protective cover and be blown into the control of position, solve that temperature in strip-rolling process is controlled, the problem of surperficial non-oxidation.At present, for mostly being of nitrogen heating, adopt heat exchanger to heat nitrogen, thermal medium is steam or hot-air, and coolant media is nitrogen.The deficiency of its existence is: heat converter structure is complicated, temperature poor controllability, and the shortcoming such as heat up or rate of temperature fall is slow.
Utility model content
The purpose of this utility model, provides a kind of simple in structure, handling safety, intensification and rate of temperature fall fast, the strip roll line nitrogen electric heater unit that nitrogen temperature control is good.
Realize the technical measures of above-mentioned purpose:
A strip roll line nitrogen electric heater unit, it is: it comprises: bearing, the heater case being connected with bearing, be located at electric heater, the heating controller being connected with electric heater in heater case, be located at nitrogen outlet in heater case and nitrogen inlet, the temperature measurer connecting at nitrogen outlet place and flowmeter, the flow control valve that install at nitrogen inlet place, the heat insulation layer on heater case inwall.
It is characterized in that: described electric heater is comprised of the crystal magnesium oxide bisque of filling in the electrical heating elements in sleeve pipe, sleeve pipe, sleeve pipe.
It is characterized in that: in the dislocation of heater case inwall, be connected with deflector.
It is characterized in that: the link at electric heater is provided with protective cover.
It is characterized in that: heating controller is comprised of the single-chip microcomputer in control cabinet, control cabinet, temperature sensor, the temperature control by-pass cock that is connected with single-chip microcomputer.
Feature of the present utility model is: the one, and nitrogen temperature and rate of temperature fall are fast, can reach 10 ℃/S; The 2nd, electric heating tube heat radiation is even, good mechanical property, long service life; The 3rd, easy for installation, dismounting is quick.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the left TV structure schematic diagram of Fig. 1;
In figure: 1-bearing, 2-heater case, 3-electric heater, 4-heating controller; 5-nitrogen outlet, 6-nitrogen inlet, 7-temperature measurer; 8-flowmeter, 9-flow control valve, 10-heat insulation layer; 11-sleeve pipe, 12-electrical heating wire or electrically heated rod, 13-crystal magnesium oxide powder; 14-protective cover, 15-deflector, 16-control cabinet; 17-single-chip microcomputer, 18-temperature sensor, 19-temperature control by-pass cock.
The specific embodiment
Below in conjunction with accompanying drawing, be described further:
A strip roll line nitrogen electric heater unit, it comprises: the heater case 2 on bearing 1, the nitrogen outlet 5 that is contained in the electric heater 3 in heater case 2, the heating controller 4 being connected by wire with electric heater 3, processing in heater case 2 and nitrogen inlet 6, the temperature measurer 7 of installing at nitrogen outlet 5 places and flowmeter 8, the flow control valve 9 of nitrogen inlet 6 places installation, the heat insulation layer 10 on heater case 2 inwalls are welded or be held in bearing 1, employing.
Described electric heater 3 is comprised of the crystal magnesium oxide bisque 13 of the electrical heating wire in sleeve pipe 11, sleeve pipe 11 or electrically heated rod 12, sleeve pipe 11 interior fillings; Electrical heating wire or electrically heated rod 12 are connected with heating controller 4 by wire, and are set with protective cover 14 at the link of electric heater 3; Sleeve pipe 11 is selected stainless steel.
For making to be heated nitrogen, can fully be heated, on heater case 2 inwalls, adopt welding or rivet uniform dislocation to connect deflector 15.
Described heating controller 4 by the single-chip microcomputer 17 in control cabinet 16, control cabinet 16, temperature sensor 18, be connected to the temperature control by-pass cock 19 on wire between the single-chip microcomputer 17 on electric heater 3 and heating controller 4 and form.
Operating principle
Give electrical heating wire or electrically heated rod 12 energising heating, its heat is dispelled the heat to stainless steel sleeve pipe 11 by the crystal magnesium oxide powder 13 of sleeve pipe 11 interior fillings, by heat radiation, makes to enter in heater case 2 to such an extent that nitrogen is heated and prevents the problem of steel strip surface oxidation.The adjusting of its temperature is by regulating control by-pass cock 19 or flow control valve 9 on heating controller 4 to be achieved.
The specific embodiment is only lifted for most preferred embodiment, not the restricted enforcement to technical solutions of the utility model.
Claims (5)
1. a strip roll line nitrogen electric heater unit, is characterized in that: it comprises: bearing, the heater case being connected with bearing, be located at electric heater, the heating controller being connected with electric heater in heater case, be located at nitrogen outlet in heater case and nitrogen inlet, the temperature measurer connecting at nitrogen outlet place and flowmeter, the flow control valve that install at nitrogen inlet place, the heat insulation layer on heater case inwall.
2. a kind of strip roll line nitrogen electric heater unit as claimed in claim 1, is characterized in that: described electric heater is comprised of the crystal magnesium oxide bisque of filling in the electrical heating elements in sleeve pipe, sleeve pipe, sleeve pipe.
3. a kind of strip roll line nitrogen electric heater unit as claimed in claim 1, is characterized in that: in the dislocation of heater case inwall, be connected with deflector.
4. a kind of strip roll line nitrogen electric heater unit as claimed in claim 1, is characterized in that: the link at electric heater is provided with protective cover.
5. a kind of strip roll line nitrogen electric heater unit as claimed in claim 1, is characterized in that: heating controller is comprised of the single-chip microcomputer in control cabinet, control cabinet, temperature sensor, the temperature control by-pass cock that is connected with single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320527991.XU CN203448404U (en) | 2013-08-28 | 2013-08-28 | Nitrogen electric heating device for strip rolling line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320527991.XU CN203448404U (en) | 2013-08-28 | 2013-08-28 | Nitrogen electric heating device for strip rolling line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203448404U true CN203448404U (en) | 2014-02-26 |
Family
ID=50128308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320527991.XU Expired - Fee Related CN203448404U (en) | 2013-08-28 | 2013-08-28 | Nitrogen electric heating device for strip rolling line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203448404U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106906349A (en) * | 2017-03-17 | 2017-06-30 | 天津市港益特种线材制造有限公司 | A kind of Production for Steel Wire protects gas firing equipment |
| CN109555509A (en) * | 2018-11-21 | 2019-04-02 | 马鞍山金顺来工业设计有限公司 | A kind of oil exploitation special nitrogen heating device |
-
2013
- 2013-08-28 CN CN201320527991.XU patent/CN203448404U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106906349A (en) * | 2017-03-17 | 2017-06-30 | 天津市港益特种线材制造有限公司 | A kind of Production for Steel Wire protects gas firing equipment |
| CN109555509A (en) * | 2018-11-21 | 2019-04-02 | 马鞍山金顺来工业设计有限公司 | A kind of oil exploitation special nitrogen heating device |
| CN109555509B (en) * | 2018-11-21 | 2021-06-15 | 马鞍山金顺来工业设计有限公司 | Special nitrogen gas heating device of oil development |
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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 |
Effective date of registration: 20170711 Address after: 430083 Qingshan District, Hubei, Wuhan factory before the door No. 2 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. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20190828 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |