CN205869076U - Heat preservation tunnel - Google Patents

Heat preservation tunnel Download PDF

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Publication number
CN205869076U
CN205869076U CN201620456838.6U CN201620456838U CN205869076U CN 205869076 U CN205869076 U CN 205869076U CN 201620456838 U CN201620456838 U CN 201620456838U CN 205869076 U CN205869076 U CN 205869076U
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CN
China
Prior art keywords
tunnel
electric heater
framework
heater unit
heat preservation
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 - Fee Related
Application number
CN201620456838.6U
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Chinese (zh)
Inventor
那继业
穆晓光
姚博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinpengyuan Intelligent Equipment Group Co Ltd
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Xinpengyuan Intelligent Equipment Group Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
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Priority to CN201620456838.6U priority Critical patent/CN205869076U/en
Application granted granted Critical
Publication of CN205869076U publication Critical patent/CN205869076U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a heat preservation tunnel including a base that rise to support the fixed action, installs in the motor of base top one side, and the motor is used for conveying the conveying roller of heat pipe via the connecting axle connecting band, and conveying roller's top is equipped with the heat preservation tunnel frame, the heat preservation tunnel frame comprises upper cover, both sides steel sheet, fire -resistant cotton, refractory castable and electric heater unit, the upper end that the upper cover is located the both sides steel sheet forms n shape frame, and fire -resistant cotton is filled in the cavity department of frame, and electric heater unit sets up in the inboard of fire -resistant cotton, and refractory castable paints in the inside and outside both sides of frame. From the device, increase heat preservation tunnel on traditional roll table, heat preservation tunnel comprises upper cover, steel sheet, fire -resistant cotton, refractory castable, electric heater unit, and the resistance wire is hung on the refractory castable of the nexine in tunnel, and constitution electric heater unit can not only play heat retaining effect like this, can realize the accurate control of temperature moreover, has guaranteed rolling technology, has improved the lumber recovery, the tunnel programming rate can be accelerated effectively to the partition type zone heating, improves temperature control accuracy.

Description

A kind of maintenance tunnel
Technical field
This utility model relates to hot rolling field, especially a kind of maintenance tunnel.
Background technology
Roller-way is the visual plant transmitting seamless pipe in seamless pipe production process, plays transmission seamless pipe between each technique Effect.In tradition seamless pipe production process, owing to common steel grade temperature unhappy and technological requirement temperature range of scattering and disappearing is the tightest Lattice, therefore without any protection and Insulation in transfer roller.
During rolling some alloying metal, owing to some alloying metal radiating efficiency is high, and each technique is to temperature Interval requirement is the least.Upload at tradition roller-way and send, it is impossible to control scattering and disappearing of its heat, the most just cannot meet its lower one work The skill requirement to temperature, thus cause the seamless pipe rolled out not reach its performance requirement.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of maintenance tunnel, can efficiently control heat pipe transmission During temperature, it is ensured that the rolling mill practice requirement to temperature, improve lumber recovery.
A kind of maintenance tunnel, has included the base supporting fixation, has been installed on the motor at the upper side of base, motor Connect band for transmitting the conveying roller of heat pipe via connecting shaft, conveying roller be arranged over maintenance tunnel framework;Insulation tunnel Road framework is made up of upper cover, both sides steel plate, resistance to Pyroxylin, castable refractory and electric heater unit;Upper cover is positioned at the upper of both sides steel plate End forms n shape framework, and resistance to Pyroxylin is filled at the cavity of framework, and electric heater unit is arranged at the inner side of resistance to Pyroxylin, refractory casting Material is applied in inside and outside framework.Maintenance tunnel framework sheet metal is made through flanging welding, and resistance to Pyroxylin is by high-alumina refractory material Material is made, and electric heater unit includes heating element heater, heating element heater for be made up of OCr25Al5 Aludirome silk, heating element heater It is through at after spirally-wound in the silk groove of maintenance tunnel framework, heating element heater directly radiations heat energy in tunnel;Maintenance tunnel tunnel It is also covered with heat-insulation layer, heat-insulation layer alumina silicate fiber felt and diatom, cob brick inside and outside road to make;Maintenance tunnel is additionally provided with use Thermocouple in thermometric.
Optimizing further as this programme, the outline of conveying roller is two ends projection intermediate recess, umbilicate Shape adapts with the shape of heat pipe.
Optimizing further as this programme, motor is the direct current generator of Z series.
Compared with prior art, the having the beneficial effects that of this programme:
From device, increasing maintenance tunnel on tradition roller-way, maintenance tunnel is by upper cover, steel plate, resistance to Pyroxylin, refractory casting Material, electric heater unit composition, resistance wire hangs on the castable refractory of innermost layer, tunnel, forms electric heater unit, the most not only The effect of insulation can be played, and the accurate control of temperature can be realized, it is ensured that rolling mill practice, improve lumber recovery;Partition wall Formula zone heating can accelerate tunnel programming rate effectively, improves temperature control precision.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of this programme;
Fig. 2 is the main TV structure schematic diagram of this programme;
Fig. 3 is the mounting structure schematic diagram of this programme;
In figure, 1, base, 2, conveying roller, 3, heat pipe, 4, maintenance tunnel framework, 5, connecting shaft, 6, motor.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments herein is described in detail, but the application can be defined by the claims Implement with the multitude of different ways covered.The accompanying drawing of the part constituting the application is used for providing the further reason to the application Solving, the schematic description and description of the application is used for explaining the application, is not intended that the improper restriction to the application.
Movable-type intelligent temp controlled thermal insulation tunnel, it is adaptable to non-ferrous metal, the technique mainly for titanium or titanium alloy material is special Property launch research and development, produce series titanium or titanium alloy seamless pipe product have TA1, TA2, TA3, TA4, TA5, TA6, TA7, The various material such as TA8, TA8-1, TA9, TA9-1, TA10, TA13, TA15, TA18, TC1, TC2, TC3, TC4, TC10.Product is straight Footpath specification φ 73-325mm, wall thickness specifications 5.5-25.0mm, product length scope 12.5-13.5m.
A kind of maintenance tunnel, has included the base 1 supporting fixation, has been installed on the motor 6 at the upper side of base 1, Motor 6 connects band for transmitting the conveying roller 2 of heat pipe 3 via connecting shaft 5, conveying roller 2 be arranged over maintenance tunnel frame Frame 4;Maintenance tunnel framework 4 is made up of upper cover, both sides steel plate, resistance to Pyroxylin, castable refractory and electric heater unit;Upper cover is positioned at two The upper end of side steel plate forms n shape framework, and resistance to Pyroxylin is filled at the cavity of framework, and electric heater unit is arranged at the interior of resistance to Pyroxylin Side, castable refractory is applied in inside and outside framework.
Optimizing further as this programme, maintenance tunnel framework 4 sheet metal is made through flanging welding, and resistance to Pyroxylin is by height Aluminum refractory material is made, and electric heater unit includes heating element heater, heating element heater for be made up of OCr25Al5 Aludirome silk, It is through at after heating element heater spirally-wound in the silk groove of maintenance tunnel framework 4, heating element heater directly radiations heat energy in tunnel;Protect It is also covered with heat-insulation layer, heat-insulation layer alumina silicate fiber felt and diatom, cob brick inside and outside temperature tunnel, tunnel to make;Maintenance tunnel It is additionally provided with the thermocouple for thermometric.
Optimizing further as this programme, the outline of conveying roller 2 is two ends projection intermediate recess, umbilicate Shape adapts with the shape of heat pipe 3.
Optimizing further as this programme, motor 6 is the direct current generator 6 of Z series.
The continuously maintenance tunnel of conveyance heat pipe, it is ensured that titanium or titanium alloy transmit between each rolling process during temperature Controlling, the highest holding temperature is 1000 DEG C, and is automatically adjusted temperature, homoiothermic according to the temperature characterisitic of the material of titanium or titanium alloy Scope 200-1000 DEG C.
The maintenance tunnel of conveyance heat pipe continuously, tunnel shell sheet metal welds through flanging and makes, and partition wall and liner are by height Aluminum refractory material is made.Be through at after heating element heater OCr25Al5 Aludirome filament winding spirality tunnel liner upper and lower, left, In right silk groove.Silk groove connects with tunnel liner, makes heating element heater directly radiations heat energy in tunnel.Wall partition type zone heating energy Effectively accelerate tunnel programming rate, improve temperature control precision.Building by laying bricks or stones between tunnel shell and liner and furnace shell is to use silicic acid Heat-insulation layer made by aluminum fiber mat and diatom, cob brick etc..The thermocouple of thermometric inserts by opening even hole.
The thermal-insulation control method of a kind of maintenance tunnel, comprises the following steps:
(1) preheating section, is energized the heating element heater of electric heater unit, by the real-time temperature in thermocouple detection maintenance tunnel Degree, and controls temperature at 600-650 DEG C, and the linear velocity of conveying roller is 0.8-1.0m/s, heating element heater continuous heating time Between be 25-30min;
(2) heating I section, heating element heater is energized, by the real time temperature in thermocouple detection maintenance tunnel, and by temperature control System is at 800-850 DEG C, and the linear velocity of conveying roller is 0.8-1.2m/s, and the time of heating element heater continuous heating is 5-8min;
(3) insulation II section, heating element heater is energized, by the real time temperature in thermocouple detection maintenance tunnel, and by temperature Controlling at 450-600 DEG C, the linear velocity of conveying roller is 0.5-0.8m/s, and the time of insulation is 15-28min;
(4) heating III section, heating element heater is energized, by the real time temperature in thermocouple detection maintenance tunnel, and by temperature Controlling at 650-750 DEG C, the linear velocity of conveying roller is 0.8-1.2m/s, and the time of heating element heater continuous heating is 5-8min;
(5) insulation IV section, heating element heater is energized, by the real time temperature in thermocouple detection maintenance tunnel, and by temperature Controlling at 500-600 DEG C, the linear velocity of conveying roller is 0.3-0.8m/s, and the time of insulation is 15-28min;
(6) soaking zone, heating element heater is energized, by the real time temperature in thermocouple detection maintenance tunnel, and by temperature control System is at 750-850 DEG C, and the linear velocity of conveying roller is 0.8-1.2m/s, and the time of heating element heater continuous heating is 5-8min;
(7) discharging opening, temperature controls at 800-850 DEG C.
Movable-type intelligent temp controlled thermal insulation tunnel, possesses heating function, heat insulation function, body transfer function, temperature monitoring merit Temperature function, detection data feedback function, can be automatically adjusted according to technological parameter.The formation process comprehensive with omnidistance temperature control system Data network system.
The research and development that large scale titanium or titanium alloy seamless pipe to sum up is efficient, short route, low cost, production technology are integrated, combine Close the production technology being integrated with hot rolling short process, corresponding movable-type intelligent temp controlled thermal insulation tunnel, quick transfer device, omnidistance temperature Degree intelligence control system, mutually coordinated in technological parameter, equipment precision, intelligent temperature control after combination, it is achieved to large scale titanium and titanium The rolling of alloy seamless pipe product.The efficiency of this integrated production technology is high, flow process short contrast traditional handicraft low cost, and this technique is fitted For non-ferrous metal calendering formation, can roll large scale titanium pipe, external diameter specification reaches φ 325mm, and wall thickness, up to 5-25mm, produces Product length up to 12.5-13.5m, opposing compression molding and cold rolling after boring boring process, cold-drawing technology processing cost reduce by 50% with On, relatively conventional extrusion forming process production efficiency significantly improves.
Movable-type intelligent temp controlled thermal insulation tunnel can realize high efficiency, it is achieved that molding Technology for Heating Processing, relatively conventional technique Reduce integrated cost, and product can be directly used for polish.And achieve high efficiency, low cost, capture non-ferrous metal Two roller oblique milling calendering formations produce the technical bottleneck of heavy caliber titanium pipe so that lumber recovery has reached 97%.Titanium material utilization rate simultaneously Relatively conventional brill Boring improves more than 30%, and relatively conventional extrusion forming process production efficiency significantly improves.
Movable-type intelligent temp controlled thermal insulation tunnel, monitors the omnidistance temperature of regulation automatically according to rolling design technology parameter.Big chi Very little titanium or titanium alloy seamless pipe uses hot rolling technology, it requires the strict Monitoring and Controlling of the temperature to whole flow process, installs Omnidistance Temperature Intelligent Control System.Achieve the intelligent temperature control to rotary heating furnace, need to be automatically adjusted annular according to technique The temperature control valve of each bringing-up section in stove.Regulate in-furnace temperature according to the design temperature of each test point simultaneously.At sizing mill Front we are mounted with intermediate frequency induction heating device, and when supplied materials temperature is less than setting value, this device heats automatically, makes supplied materials Temperature meets normal sizing temperature.The positions such as import, stage casing and outlet in movable-type intelligent temp controlled thermal insulation tunnel are equipped with survey Warm spot, omnidistance Temperature Intelligent Control System feeds back to rotary heating furnace after each monitoring temperature data parametric synthesis being processed, enters And adjust each section of temperature.
From device, increasing maintenance tunnel on tradition roller-way, maintenance tunnel is by upper cover, steel plate, resistance to Pyroxylin, refractory casting Material, electric heater unit composition, resistance wire hangs on the castable refractory of innermost layer, tunnel, forms electric heater unit, the most not only The effect of insulation can be played, and the accurate control of temperature can be realized, it is ensured that rolling mill practice, improve lumber recovery;Partition wall Formula zone heating can accelerate tunnel programming rate effectively, improves temperature control precision.
From control method, say movable-type intelligent temp controlled thermal insulation tunnel, possess heating function, heat insulation function, body transfer Function, temperature-monitoring function, be automatically adjusted according to technological parameter temperature function, detection data feedback function.
It should be noted last that, above detailed description of the invention is only in order to illustrate the technical solution of the utility model rather than limit System, although being described in detail this utility model with reference to preferred embodiment, it will be understood by those within the art that, The technical solution of the utility model can be modified or equivalent, without deviating from the essence of technical solutions of the utility model God and scope, it all should be contained in the middle of right of the present utility model.

Claims (1)

1. a maintenance tunnel, it is characterised in that included the base supporting fixation, be installed at the upper side of base Motor, described motor connects band for transmitting the conveying roller of heat pipe via connecting shaft, and being arranged over of described conveying roller is protected Temperature tunnel frame;Described maintenance tunnel framework is made up of upper cover, both sides steel plate, resistance to Pyroxylin, castable refractory and electric heater unit; Described upper cover is positioned at the upper end of both sides steel plate and forms n shape framework, and resistance to Pyroxylin is filled at the cavity of framework, and electric heater unit is arranged In the inner side of resistance to Pyroxylin, castable refractory is applied in inside and outside framework;Described maintenance tunnel framework sheet metal is through flanging Welding is made, and described resistance to Pyroxylin is made up of aluminous refractory, and described electric heater unit includes heating element heater, described heating unit Part, for be made up of OCr25Al5 Aludirome silk, is through at the silk groove of maintenance tunnel framework after described heating element heater spirally-wound In, heating element heater directly radiations heat energy in tunnel;Heat-insulation layer, described heat-insulation layer it is also covered with inside and outside maintenance tunnel tunnel Make with alumina silicate fiber felt and diatom, cob brick;Described maintenance tunnel is additionally provided with the thermocouple for thermometric;
The outline of described conveying roller is two ends projection intermediate recess, and the shape of described umbilicate shape and heat pipe is fitted mutually Should;Described motor is the direct current generator of Z series.
CN201620456838.6U 2016-05-19 2016-05-19 Heat preservation tunnel Expired - Fee Related CN205869076U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620456838.6U CN205869076U (en) 2016-05-19 2016-05-19 Heat preservation tunnel

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Application Number Priority Date Filing Date Title
CN201620456838.6U CN205869076U (en) 2016-05-19 2016-05-19 Heat preservation tunnel

Publications (1)

Publication Number Publication Date
CN205869076U true CN205869076U (en) 2017-01-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105855300A (en) * 2016-05-19 2016-08-17 鑫鹏源智能装备集团有限公司 Heat preservation tunnel and heat preservation control method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105855300A (en) * 2016-05-19 2016-08-17 鑫鹏源智能装备集团有限公司 Heat preservation tunnel and heat preservation control method

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170111

CF01 Termination of patent right due to non-payment of annual fee