CN107177730A - The electric heating system that a kind of annealing furnace is deformed with high temperature resistant - Google Patents
The electric heating system that a kind of annealing furnace is deformed with high temperature resistant Download PDFInfo
- Publication number
- CN107177730A CN107177730A CN201710575052.5A CN201710575052A CN107177730A CN 107177730 A CN107177730 A CN 107177730A CN 201710575052 A CN201710575052 A CN 201710575052A CN 107177730 A CN107177730 A CN 107177730A
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- China
- Prior art keywords
- deformed
- spiral shell
- high temperature
- shell type
- temperature resistant
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- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
Abstract
The invention discloses the electric heating system that a kind of annealing furnace is deformed with high temperature resistant, including heating tank body, cage plate and resistive heating device, heat tank body top sealing of tank cover, heat inner tank wall and be provided with ring-shaped step, cage plate is placed on step and forms a cavity with heating tank base, cavity bottom is provided with dividing plate, cavity is divided into upper space and lower space by dividing plate, air-vent is provided with the middle of dividing plate, air inlet and air outlet are provided with heating tank wall, some resistive heating devices are provided with upper space, resistive heating device upper end is arranged on cage plate, certain distance is reserved between resistive heating device lower end and dividing plate, all resistive heating devices copper strips that is equal and being connected with three phase mains is fixedly connected.The resistive heating device of the present invention is vertically provided in upper space, and resistive heating device leaves enough spaces with heating tank base, completely solves metallic conductor when expanding with heat and contract with cold, the problem of influence of thermal deformation insulation ensures material and is damaged to.
Description
Technical field
The present invention relates to a kind of annealing device, the electric heating system that more particularly to a kind of annealing furnace is deformed with high temperature resistant.
Background technology
There is a kind of heating furnace at present, it is necessary to electric heating tube or heat tape are placed in closed container, this kind closed
During container work need in anaerobic, have and heated under conditions of certain pressure, its temperature is up to 800 DEG C；This electric heating tube or
Heat tape because generating heat and expand with heat and contract with cold, be extruded the junction of three phase mains conductive strips and its resistive heating device or pipe,
Stretcher strain, the insulating materials of protection comes off, and causes three phase mains short circuit, has a power failure, so that the heating furnace operation irregularity, occurs
The quality problems such as copper conductor in heating tank is often oxidized, electromechanical properties are unqualified.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of annealing furnace high temperature resistant simple in construction, reliable in quality
The electric heating system of deformation.
Technical proposal that the invention solves the above-mentioned problems is：The electric heating system that a kind of annealing furnace is deformed with high temperature resistant, its
It is characterised by：Including heating tank body, cage plate and resistive heating device, the heating tank body top sealing of tank cover, the heating
Tank body upper inside wall is provided with ring-shaped step, and cage plate is placed on step and forms a cavity, cavity with heating tank base
Bottom is provided with one piece of dividing plate, and cavity is divided into the middle of upper space and lower space, dividing plate being provided with and is used to connect top sky by dividing plate
Between and lower space air-vent, be provided with air inlet connect with upper space in heating tank body upper portion side wall, heat under tank body
It is provided with the wall of portion side in the air outlet connected with lower space, upper space and is provided with some resistive heating devices, resistance heating dress
Put upper end to be arranged on cage plate, certain distance is reserved between resistive heating device lower end and dividing plate, all resistive heating devices are equal
It is fixedly connected with the copper strips being connected with three phase mains.
The electric heating system that above-mentioned annealing furnace is deformed with high temperature resistant, the resistive heating device includes the first metallic rod, the
One collets, the second metallic rod, the second collets, metal derby, spiral shell type resistive band, the metal derby are placed on cage plate upper surface,
Metal derby upper surface is provided with the first collets, and metal derby lower surface, which is provided with below the second collets, metal derby, is provided with spiral shell type resistance
Band, the first metallic rod is fixed on the inside of the second collets, and the first metallic rod top passes the first collets, the first metallic rod bottom
Welded with spiral shell type resistive band upper end, the second metallic rod is fixed on the inside of the second collets, and it is exhausted that the second metallic rod top passes first
Edge block, the second metallic rod bottom passes through inside spiral shell type resistive band and welded with spiral shell type resistive band lower end, the second metallic rod bottom
Entangled with spiral shell type resistive band lower end weld with bottom insulation block.
The electric heating system that above-mentioned annealing furnace is deformed with high temperature resistant, first metallic rod and the second metal top portion are other
It is fixedly connected as positive conductive bar and negative conductive bar and with copper strips.
Spiral shell is provided with the electric heating system that above-mentioned annealing furnace is deformed with high temperature resistant, the gap of the spiral shell type resistive band helicla flute
Type insulator.
The electric heating system that above-mentioned annealing furnace is deformed with high temperature resistant, the cover is provided with silicon with junction at the top of heating tank body
Rubber cushion, the heating tank wall top, which is circumferentially with silicagel pad in annular groove, annular groove, is provided with ring-shaped water jacket,
Ring-shaped water jacket is used to ensure that the temperature at silicagel pad to be less than 200 DEG C.
Filling furnace lining in the electric heating system that above-mentioned annealing furnace is deformed with high temperature resistant, the heating tank wall, furnace lining is adopted
With the heat-barrier material of ceramic fibre, heating tank body middle part, the temperature of lower external are not more than 40 DEG C.
Axis hole, axis hole are provided with the middle of the electric heating system that above-mentioned annealing furnace is deformed with high temperature resistant, the heating tank base
Interior to be provided with motor shaft, motor shaft lower end is provided with motor, and motor shaft upper end is provided with air blade, and air blade is just to air-vent.
The electric heating system that above-mentioned annealing furnace is deformed with high temperature resistant, is provided with water jacket between the axis hole and motor shaft.
The electric heating system that above-mentioned annealing furnace is deformed with high temperature resistant, the spiral shape of the spiral shell type insulator and spiral shell type resistive band
Shape is consistent, and the distance moved when spiral shell type resistive band is because expanding with heat and contract with cold is 20-30mm.
The electric heating system that above-mentioned annealing furnace is deformed with high temperature resistant, anaerobic during the heating tank body seal operation, in pressure
Heated under 0.3MPa, its temperature reaches 800 DEG C.
The beneficial effects of the present invention are：
1st, of the invention resistive heating device and copper strips are placed in sealed heating tank body, during heating tank body seal operation without
Oxygen, is heated under force pressure 0.3MPa, and its temperature disclosure satisfy that the use requirement of annealing furnace up to 800 DEG C.
2nd, resistive heating device of the invention is vertically provided in upper space, is stayed between resistive heating device and dividing plate
There are enough spaces, completely solve metallic conductor when expanding with heat and contract with cold, influence of thermal deformation insulation ensures material and is damaged to
The problem of.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the structural representation of resistive heating device in Fig. 1.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in figure 1, the present invention includes heating tank body 1, cage plate 5 and resistive heating device 6, the top of heating tank body 1
With sealing of tank cover, the cover is sealed with the heating top junction silicagel pad 3 of tank body 1, and the heating tank body 1 outer wall top is leaned on
It is circumferentially with nearly silicagel pad 3 in annular groove, annular groove and is provided with ring-shaped water jacket 4, the hydraulic pressure in ring-shaped water jacket 4：0.3-
There is recirculated water flowing in 0.4MPa, ring-shaped water jacket 4, for ensureing that the temperature at silicagel pad 3 is less than 200 DEG C；The heating tank body 1
Upper inside wall is provided with ring-shaped step 10, and cage plate 5 is placed on step 10 and forms a cavity with heating tank body 1 bottom, empty
Cavity is divided into the middle of upper space 12 and lower space 13, dividing plate 11 provided with use by chamber bottom provided with one piece of dividing plate 11, dividing plate 11
Connect in being provided with connection upper space 12 and the air-vent 14 of lower space 13, the heating upper portion side wall of tank body 1 with upper space 12
It is provided with the air outlet 16 connected with lower space 13, upper space 12 and sets on logical air inlet 15, the heating lower sides of tank body 1
Have 9 resistive heating devices 6, the upper end of resistive heating device 6 is arranged on cage plate 5, all resistive heating devices 6 and and three-phase
The copper strips 8 of power supply connection is fixedly connected.
Filling furnace lining 7 in the heating side wall of tank body 1, furnace lining 7 uses the heat-barrier material of ceramic fibre, when furnace lining 7 is inserted
Fastened using stainless steel anchoring piece, the thickness of furnace lining 7 is no less than 300mm；The middle part of heating tank body 1, the temperature of lower external are not more than
40℃；It is provided with the middle of heating tank body 1 bottom in axis hole 9, axis hole 9 and is provided with motor shaft, motor shaft lower end is provided with motor, motor
Axle upper end is provided with air blade, and air blade is provided with water jacket, carried out with water jacket just to air-vent 14 between the axis hole 9 and motor shaft
Cooling, ensures that motor shaft temperature is low.
As shown in Fig. 2 the resistive heating device 6 includes the first metallic rod 6-2, the first collets 6-3, the second metallic rod
6-1, the second collets 6-5, metal derby 6-4, spiral shell type resistive band 6-6, the metal derby 6-4 are placed on the upper surface of cage plate 5, metal
Block 6-4 upper surfaces are provided with the first collets 6-3, and metal derby 6-4 lower surfaces are provided with below the second collets 6-5, metal derby 6-4 and set
There are spiral shell type resistive band 6-6, the first metallic rod 6-2 to be fixed on the inside of the second collets 6-5, the first metallic rod 6-2 tops pass the
One collets 6-3, the first metallic rod 6-2 bottoms are welded with spiral shell type resistive band 6-6 upper ends, and the second metallic rod 6-1 is fixed on second
On the inside of collets 6-5, the second metallic rod 6-1 tops pass the first collets 6-3, and the second metallic rod 6-1 bottoms are from spiral shell type resistance
Pass through and welded with spiral shell type resistive band 6-6 lower ends inside band 6-6, the second metallic rod 6-1 bottoms are welded with spiral shell type resistive band 6-6 lower ends
The place of connecing is entangled with bottom insulation block 6-8, and the first metallic rod 6-2 and the second metallic rod 6-1 tops are respectively as positive conductive
Bar and negative conductive bar are simultaneously fixedly connected with copper strips 8, and spiral shell type insulator is provided with the gap of the spiral shell type resistive band 6-6 helicla flutes
6-7, spiral shell type insulator 6-7 are spiral-shaped consistent with spiral shell type resistive band 6-6's.The gap width of spiral shell type insulator 6-7 helicla flutes
It should ensure that spiral shell type resistive band 6-6 can be moved up and down；The distance moved when spiral shell type resistive band 6-6 is because expanding with heat and contract with cold is no less than 20mm.
Spiral shell type resistive band 6-6 input voltages are 380V；Specified heating power≤300KW.During installation, the first metallic rod 6-2
Insulating porcelain bushing is first housed, then loaded the second collets 6-5, metal derby 6-4, the first collets 6-3, and connects upper three-phase
The copper strips 8 of electrical connection, then screw down and be fixed on metal derby 6-4；Second metallic rod 6-1 top is equally first equipped with
Insulating porcelain bushing, then loads the second collets 6-5, metal derby 6-4, the first collets 6-3, and connects upper three-phase electrical connection
Copper strips 8, then screw down and be fixed on metal derby 6-4.
The present invention operation principle be：Outside wind enters in heating tank body 1 from air inlet 15, through electricity in upper space 12
Resistance heater 6 is heated, under the fan action of heating tank body 1 bottom, and air blade is rotated, and produces draught head, and top is empty
Between hot-air in 12 entered by air-vent 14 in lower space 13, then discharged from air outlet 16；Due to resistance heating
Device 6 is vertically provided in upper space 12, enough spaces is reserved between resistive heating device 6 and dividing plate 11, completely
Metallic conductor is solved when expanding with heat and contract with cold, the problem of influence of thermal deformation insulation ensures material and is damaged to.
Claims (10)
1. the electric heating system that a kind of annealing furnace is deformed with high temperature resistant, it is characterised in that：Add including heating tank body, cage plate and resistance
Thermal, the heating tank body top sealing of tank cover, the heating tank body upper inside wall is provided with ring-shaped step, and cage plate is placed
A cavity is formed on step and with heating tank base, cavity is divided into top by cavity bottom provided with one piece of dividing plate, dividing plate
Being provided with the middle of space and lower space, dividing plate is used to connect upper space and the air-vent of lower space, heats tank body upper side
It is provided with wall on the air inlet connected with upper space, heating tank body lower sides and is provided with the air outlet connected with lower space,
Some resistive heating devices are provided with upper space, resistive heating device upper end is arranged on cage plate, resistive heating device lower end
Certain distance is reserved between dividing plate, all resistive heating devices copper strips that is equal and being connected with three phase mains is fixedly connected.
2. the electric heating system that annealing furnace according to claim 1 is deformed with high temperature resistant, it is characterised in that：The resistance adds
Thermal includes the first metallic rod, the first collets, the second metallic rod, the second collets, metal derby, spiral shell type resistive band, described
Metal derby is placed on cage plate upper surface, and metal derby upper surface is provided with the first collets, and metal derby lower surface is provided with the second collets,
Spiral shell type resistive band is provided with below metal derby, the first metallic rod is fixed on the inside of the second collets, the first metallic rod top passes the
One collets, the first metallic rod bottom is welded with spiral shell type resistive band upper end, and the second metallic rod is fixed on the inside of the second collets, the
Two metallic rod tops pass the first collets, the second metallic rod bottom passed through inside spiral shell type resistive band and with spiral shell type resistive band
End welding, the second metallic rod bottom is entangled with spiral shell type resistive band lower end weld with bottom insulation block.
3. the electric heating system that annealing furnace according to claim 2 is deformed with high temperature resistant, it is characterised in that：First gold medal
Category bar and the second metal top portion are not fixedly connected as positive conductive bar and negative conductive bar and with copper strips.
4. the electric heating system that annealing furnace according to claim 2 is deformed with high temperature resistant, it is characterised in that：The spiral shell type electricity
Spiral shell type insulator is provided with the gap of stopband helicla flute.
5. the electric heating system that annealing furnace according to claim 1 is deformed with high temperature resistant, it is characterised in that：The cover
Silicagel pad is provided with junction at the top of heating tank body, it is recessed that the heating tank wall top is circumferentially with annular at silicagel pad
Ring-shaped water jacket is provided with groove, annular groove, ring-shaped water jacket is used to ensure that the temperature at silicagel pad to be less than 200 DEG C.
6. the electric heating system that annealing furnace according to claim 1 is deformed with high temperature resistant, it is characterised in that：The heating tank
Filling furnace lining in body sidewall, furnace lining is used in the middle part of the heat-barrier material of ceramic fibre, heating tank body, the temperature of lower external is not more than
40℃。
7. the electric heating system that annealing furnace according to claim 1 is deformed with high temperature resistant, it is characterised in that：The heating tank
It is provided with the middle of body bottom in axis hole, axis hole and is provided with motor shaft, motor shaft lower end is provided with motor, motor shaft upper end is provided with air blade,
Air blade is just to air-vent.
8. the electric heating system that annealing furnace according to claim 7 is deformed with high temperature resistant, it is characterised in that：The axis hole with
Water jacket is provided between motor shaft.
9. the electric heating system that annealing furnace according to claim 4 is deformed with high temperature resistant, it is characterised in that：The spiral shell type is exhausted
Edge body is spiral-shaped consistent with spiral shell type resistive band, and the distance moved when spiral shell type resistive band is because expanding with heat and contract with cold is 20-30mm.
10. the electric heating system that annealing furnace according to claim 1 is deformed with high temperature resistant, it is characterised in that：The heating
Anaerobic during tank body seal operation, is heated under pressure 0.3MPa, and its temperature reaches 800 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710575052.5A CN107177730A (en) | 2017-07-14 | 2017-07-14 | The electric heating system that a kind of annealing furnace is deformed with high temperature resistant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710575052.5A CN107177730A (en) | 2017-07-14 | 2017-07-14 | The electric heating system that a kind of annealing furnace is deformed with high temperature resistant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107177730A true CN107177730A (en) | 2017-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710575052.5A Pending CN107177730A (en) | 2017-07-14 | 2017-07-14 | The electric heating system that a kind of annealing furnace is deformed with high temperature resistant |
Country Status (1)
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| CN (1) | CN107177730A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108922691A (en) * | 2018-07-19 | 2018-11-30 | 金杯电工电磁线有限公司 | A kind of pneumatic rail mobile electromagnetical line furnace drying device |
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2017
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Patent Citations (7)
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| CN203269568U (en) * | 2013-05-17 | 2013-11-06 | 齐阳春 | Resistance wire sulfuric acid reformed gas heating furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108922691A (en) * | 2018-07-19 | 2018-11-30 | 金杯电工电磁线有限公司 | A kind of pneumatic rail mobile electromagnetical line furnace drying device |
| CN108922691B (en) * | 2018-07-19 | 2024-03-15 | 金杯电工电磁线有限公司 | Oven device for pneumatic track movable electromagnetic wire |
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Application publication date: 20170919 |
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