CN102284567B - Steel sheet pressure head heating device and use method thereof - Google Patents
Steel sheet pressure head heating device and use method thereof Download PDFInfo
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- CN102284567B CN102284567B CN 201110197744 CN201110197744A CN102284567B CN 102284567 B CN102284567 B CN 102284567B CN 201110197744 CN201110197744 CN 201110197744 CN 201110197744 A CN201110197744 A CN 201110197744A CN 102284567 B CN102284567 B CN 102284567B
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Abstract
The invention discloses a steel sheet pressure head heating device and a use method thereof; the device comprises a heat insulating cover, a gas distributor, a heating calandria, a thermo couple pressure block, a thermo couple and a thermometer; the heat insulating cover comprises an upper heat insulating cover, a lower heat insulating cover and a heat insulating cover steel structure; the upper heat insulating cover is buckled on the lower heat insulating cover; the lower heat insulating cover and the heat insulating cover steel structure are welded together; heat insulating cottons are respectively lined on the inner walls of the upper heat insulating cover and the lower heat insulating cover; the gas distributor is fixed on the outer side of the lower heat insulating cover; the heating calandria is fixed on a fixed plate in the lower heat insulating cover; the head of the thermo couple is arranged between the thermo couple pressure block and a steel sheet; and the thermometer is arranged on the outer side of the heat insulating cover and is connected with a connector at the tail part of the thermo couple through a compensation lead. Because the heating device locally heats the area of a steel sheet pressure head, the heat loss and the required heating time are reduced, the heating temperature of the area of the steel sheet pressure head is uniform, and the consumption of fuel is saved.
Description
Technical field
The present invention relates to a kind of steel plate pressure head heating technique, particularly a kind of steel sheet pressure head heating device and using method thereof.
Background technology
Shell ring in the pressure vessel of plate welding structure with steel plate through the forcing press two ends cans behind the pressure head respectively, therefore produce waste product for low-alloy high-strength steel owing to crackle in the pressure head process, often occurring, adopt before the pressure head method that steel plate is carried out local preheating to eliminate the generation of crackle.That heating calancria is placed on below the steel plate in the past, upper surface of steel plate lid layer heat-preservation cotton, like this since, heat time heating time is long, the efficiency of heating surface is low, wastes energy.
Summary of the invention
For addressing the above problem, the objective of the invention is to design steel sheet pressure head heating device and the using method thereof that a kind of heating effect is good, the efficiency of heating surface is high and can shorten heat time heating time.
To achieve these goals, technical scheme of the present invention is as follows: a kind of steel sheet pressure head heating device comprises stay-warm case, gas distributor, heating calancria, connection rubber tube, thermocouple briquetting, thermocouple, temperature measuring gauge; Described stay-warm case comprises stay-warm case, lower stay-warm case, stay-warm case steel construction, heat-preservation cotton, fixed head, exhaust opening, hanger, described upper stay-warm case is buckled on the lower stay-warm case, lower stay-warm case is connected by welding manner with the stay-warm case steel construction, inwall at upper stay-warm case and lower stay-warm case all is lined with heat-preservation cotton, fixed head is installed in the bottom in the lower stay-warm case, be used for fixedly heating calancria, have exhaust opening and hanger is installed at the top of upper stay-warm case;
Described gas distributor is fixed on the outside of lower stay-warm case, comprises fuel gas inlet interface and gas outlet interface; The gas outlet interface is provided with ball valve, and the discharge coupling of valve is connected with fuel gas inlet skirt on the heating calancria by connection rubber tube;
Described heating calancria comprises nozzle, fuel gas inlet skirt, nozzle stationary pipes, and heating calancria is fixed on the fixed head of lower stay-warm case inside;
Described thermocouple briquetting is installed in heated upper surface of steel plate, and the thermocouple head is installed between thermocouple briquetting and the steel plate, and outside, its joint with the thermocouple afterbody that temperature measuring gauge is installed in stay-warm case are connected by compensating wire.
Slot on thermocouple briquetting of the present invention and the steel plate contact-making surface, thermocouple is inserted in the groove, and pressured deadweight contacts thermocouple with steel plate.
Heating calancria of the present invention has 10-20, the respectively corresponding fixed head of each heating calancria, a valve and a combustion gas connection rubber tube.
A kind of heating means of steel sheet pressure head heating device may further comprise the steps:
A, at first lower stay-warm case and stainless steel strut are well placed, steel plate is hung onto on the support and with the zone that steel plate need to heat are placed in the lower stay-warm case, then fix the thermocouple that thermometric is used with the thermocouple briquetting, upper stay-warm case is hung onto on the lower stay-warm case;
B, connection gas pipeline are lighted heating calancria by ventilating opening;
C, can show the preheat temperature of steel plate by thermocouple and temperature measuring gauge, after reaching the desired preheat temperature of technique, hang and move upper stay-warm case, steel plate be hung onto the pressure head work of carrying out steel plate on the forcing press.
Compared with prior art, the present invention has following beneficial effect:
1, because the heater that the present invention adopts carries out local heat to the steel plate pressure head zone, reduced the loss of heat, reduced and heated the required time, made the heating-up temperature in steel plate pressure head zone even, the consumption of having saved fuel.
2, be that 170mm, width are the steel plate of 3000mm for thickness, its heated perimeter is 1500mm, and heating-up temperature is 400 ℃, adopts identical heating calancria and quantity, by original mode of heating, and approximately 5 hours required heat time heating time.If adopt heater of the present invention, only be 3 hours heat time heating time; The propane that per hour consumes 15 kilograms of liquid state by each heating calancria calculates, 14 heating calancrias per hour consume 210 kilograms in propane, can save 420 kilograms in propane in 2 hours that reduce, per tonly press 6600 yuan of calculating, can save 2772 yuan, every steel plate need heat two ends, and therefore every curling shell ring can be saved 840 kilograms in propane, saves 5544 yuans.
3, because fuel gas inlet skirt of the present invention extends to the outside of lower stay-warm case, so connection rubber tube can not be burned because of excess Temperature.
Description of drawings,
4 in the total accompanying drawing of the present invention, wherein:
Fig. 1 is the schematic diagram of steel plate when heating in steel sheet pressure head heating device.
Fig. 2 is the steel sheet pressure head heating device front view.
Fig. 3 is the side view of Fig. 2.
Fig. 4 is that the F of Fig. 3 is to view.
Among the figure: 1, heating calancria, 2, gas distributor, 3, valve, 4, fixed head, 5, air supply pipe, 6, connection rubber tube, 7, upper stay-warm case, 8, lower stay-warm case, 9, ventilating opening, 10, steel plate entrance, 11, exhaust opening, 12, hanger, 13, support, 14, steel plate, 15, thermocouple, 16, thermocouple briquetting, 17, temperature measuring gauge.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described further.Shown in Fig. 1-4, a kind of steel sheet pressure head heating device comprises stay-warm case, gas distributor 2, heating calancria 1, connection rubber tube 6, thermocouple briquetting 16, thermocouple 15, temperature measuring gauge 17; Described stay-warm case comprises stay-warm case 7, lower stay-warm case 8, stay-warm case steel construction, heat-preservation cotton, fixed head 4, exhaust opening 11, hanger 12, described upper stay-warm case 7 is buckled on the lower stay-warm case 8, lower stay-warm case 8 is connected by welding manner with the stay-warm case steel construction, inwall at upper stay-warm case 7 and lower stay-warm case 8 all is lined with heat-preservation cotton, fixed head 4 is installed in the bottom in the lower stay-warm case 8, be used for fixedly heating calancria 1, have exhaust opening 11 at the top of upper stay-warm case 7 and hanger 12 is installed;
Described gas distributor 2 is fixed on the outside of lower stay-warm case 8, comprises fuel gas inlet interface and gas outlet interface; The gas outlet interface is provided with ball valve 3, and the discharge coupling of valve 3 is connected with fuel gas inlet skirt on the heating calancria 1 by connection rubber tube 6;
Described heating calancria 1 comprises nozzle, fuel gas inlet skirt, nozzle stationary pipes, and heating calancria 1 is fixed on the fixed head 4 of lower stay-warm case 8 inside, and is connected with air supply pipe 5;
Described thermocouple briquetting 16 is installed in heated steel plate 14 upper surfaces, and thermocouple 15 heads are installed between thermocouple briquetting 16 and the steel plate 14, and outside, its joint with thermocouple 15 afterbodys that temperature measuring gauge 17 is installed in stay-warm case are connected by compensating wire.
Slot on thermocouple briquetting 16 of the present invention and steel plate 14 contact-making surfaces, thermocouple 15 is inserted in the groove, and pressured deadweight contacts thermocouple 15 with steel plate 14.
A kind of heating means of steel sheet pressure head heating device may further comprise the steps:
A, at first lower stay-warm case 8 and steel plate 14 supports 13 are well placed, steel plate 14 is hung onto on the support 13 and need the zone of heating to be placed in the steel plate entrance 10 of lower stay-warm case 8 steel plate 14, then fix the thermocouple 15 that thermometric is used with thermocouple briquetting 16, upper stay-warm case 7 is hung onto on the lower stay-warm case 8;
B, connection gas pipeline are lighted heating calancria 1 by ventilating opening 9;
C, can show the preheat temperature of steel plate 14 by thermocouple 15 and temperature measuring gauge 17, after reaching the desired preheat temperature of technique, hang and move upper stay-warm case 7, steel plate 14 be hung onto the pressure head work of carrying out steel plate 14 on the forcing press.
Claims (4)
1. a steel sheet pressure head heating device is characterized in that: comprise stay-warm case, gas distributor (2), heating calancria (1), connection rubber tube (6), thermocouple briquetting (16), thermocouple (15), temperature measuring gauge (17); Described stay-warm case comprises stay-warm case (7), lower stay-warm case (8), the stay-warm case steel construction, heat-preservation cotton, fixed head (4), exhaust opening (11), hanger (12), described upper stay-warm case (7) is buckled on the lower stay-warm case (8), lower stay-warm case (8) is connected by welding manner with the stay-warm case steel construction, inwall at upper stay-warm case (7) and lower stay-warm case (8) all is lined with heat-preservation cotton, fixed head (4) is installed in the bottom in the lower stay-warm case (8), be used for fixedly heating calancria (1), have exhaust opening (11) at the top of upper stay-warm case (7) and hanger (12) is installed;
Described gas distributor (2) is fixed on the outside of lower stay-warm case (8), comprises fuel gas inlet interface and gas outlet interface; The gas outlet interface is provided with ball valve (3), and the discharge coupling of valve (3) is connected with fuel gas inlet skirt on the heating calancria (1) by connection rubber tube (6);
Described heating calancria (1) comprises nozzle, fuel gas inlet skirt, nozzle stationary pipes, and heating calancria (1) is fixed on the inner fixed head (4) of lower stay-warm case (8);
Described thermocouple briquetting (16) is installed in heated steel plate (14) upper surface, thermocouple (15) head is installed between thermocouple briquetting (16) and the steel plate (14), and outside, its joint with thermocouple (15) afterbody that temperature measuring gauge (17) is installed in stay-warm case are connected by compensating wire.
2. a kind of steel sheet pressure head heating device according to claim 1, it is characterized in that: slot on described thermocouple briquetting (16) and steel plate (14) contact-making surface, thermocouple (15) is inserted in the groove, and pressured deadweight contacts thermocouple (15) with steel plate (14).
3. a kind of steel sheet pressure head heating device according to claim 1, it is characterized in that: described heating calancria (1) has 10-20, the respectively corresponding fixed head (4) of each heating calancria (1), a valve (3) and a combustion gas connection rubber tube (6).
4. the heating means of a steel sheet pressure head heating device as claimed in claim 1 is characterized in that: may further comprise the steps:
A, at first lower stay-warm case (8) and steel plate (14) support (13) are well placed, steel plate (14) is hung onto support (13) zone upper and that steel plate (14) is needed to heat to be placed in the lower stay-warm case (8), then use thermocouple briquetting (16) to fix the thermocouple (15) that thermometric is used, upper stay-warm case (7) is hung onto on the lower stay-warm case (8);
B, connection gas pipeline are lighted heating calancria (1) by ventilating opening (9);
C, can show the preheat temperature of steel plate (14) by thermocouple (15) and temperature measuring gauge (17), after reaching the desired preheat temperature of technique, hang and move upper stay-warm case (7), steel plate (14) be hung onto the pressure head work of carrying out steel plate (14) on the forcing press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110197744 CN102284567B (en) | 2011-07-14 | 2011-07-14 | Steel sheet pressure head heating device and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110197744 CN102284567B (en) | 2011-07-14 | 2011-07-14 | Steel sheet pressure head heating device and use method thereof |
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| Publication Number | Publication Date |
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| CN102284567A CN102284567A (en) | 2011-12-21 |
| CN102284567B true CN102284567B (en) | 2013-02-27 |
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| CN 201110197744 Active CN102284567B (en) | 2011-07-14 | 2011-07-14 | Steel sheet pressure head heating device and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104014674B (en) * | 2014-05-23 | 2016-09-28 | 中国第一重型机械集团大连加氢反应器制造有限公司 | A kind of baking type steel sheet pressure head heating device and using method thereof |
| CN105436325B (en) * | 2016-01-06 | 2017-11-03 | 防城港中一重工有限公司 | Flame collector |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB811261A (en) * | 1956-09-13 | 1959-04-02 | Romeo Angel Lalli | Stretch press |
| JPS57501119A (en) * | 1979-11-01 | 1982-07-01 | ||
| DE3016949C2 (en) * | 1980-05-02 | 1984-08-23 | Fritz 8740 Bad Neustadt Freier | Method of manufacturing curved, wear-resistant conveyor chute segment components |
| KR100247379B1 (en) * | 1997-05-10 | 2000-04-01 | 정진모 | Rotary cutter making device |
| JP2002192234A (en) * | 2000-12-27 | 2002-07-10 | Mitsubishi Heavy Ind Ltd | Processing apparatus for deep bending steel plate |
| JP2004330222A (en) * | 2003-05-02 | 2004-11-25 | Nakajima Steel Pipe Co Ltd | Square steel pipe and manufacturing method for square steel pipe |
| CN200967073Y (en) * | 2006-08-02 | 2007-10-31 | 杭州汇同链传动有限公司 | Device for processing chain sheet |
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| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Ganjingzi District of Dalian City, Liaoning province 116113 cotton Dalian Bay Port Road No. 1 Applicant after: China No.1 Heavy Machinery Group Corporation Dalian Hydrogenation Reactor Manufa Co-applicant after: China First Heavy Industries Co., Ltd. Address before: Ganjingzi District of Dalian City, Liaoning province 116113 cotton Dalian Bay Port Road No. 1 Applicant before: China No.1 Heavy Machinery Group Corporation Dalian Hydrogenation Reactor Manufa Co-applicant before: China First Heavy Industries Co., Ltd. |
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Address after: 116113 No.1-1, MianHuaDao Road, Ganjingzi District, Dalian City, Liaoning Province Co-patentee after: CHINA FIRST HEAVY INDUSTRIES Patentee after: Dalian nuclear power and Petrochemical Co., Ltd Address before: 116113 No. 1 cotton road, Dalian Bay, Ganjingzi District, Liaoning, Dalian Co-patentee before: CHINA FIRST HEAVY INDUSTRIES Patentee before: China First Heavy Machinery Group Dalian hydrogenation reactor Manufacturing Co.,Ltd. |
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| CP03 | Change of name, title or address |