CN203569150U - Well type thermal treatment furnace for ring piece - Google Patents

Well type thermal treatment furnace for ring piece Download PDF

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Publication number
CN203569150U
CN203569150U CN201320598570.6U CN201320598570U CN203569150U CN 203569150 U CN203569150 U CN 203569150U CN 201320598570 U CN201320598570 U CN 201320598570U CN 203569150 U CN203569150 U CN 203569150U
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CN
China
Prior art keywords
furnace
treatment furnace
heat treatment
heater
steel
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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.)
Expired - Fee Related
Application number
CN201320598570.6U
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Chinese (zh)
Inventor
傅书根
沈卫东
戴文卫
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JIANGSU HENGLI FURNACE INDUSTRY Co Ltd
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JIANGSU HENGLI FURNACE INDUSTRY Co Ltd
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Priority to CN201320598570.6U priority Critical patent/CN203569150U/en
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Publication of CN203569150U publication Critical patent/CN203569150U/en
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Abstract

The utility model discloses a well type thermal treatment furnace for a ring piece. The thermal treatment furnace is arranged in a laid foundation below a horizon line of a workshop. A furnace bottom channel which can facilitate maintenance of the thermal treatment furnace is arranged between a furnace body of the treatment furnace and the foundation; a middle barrel is arranged in the furnace body; furnace linings are arranged on both the inner wall of the furnace body and the outer wall of the middle barrel and are respectively tightened and fixed through stainless steel and round steel; a plurality of heating elements positioned by high-aluminum porcelain nails are hung on the furnace linings; a furnace cover with heat insulation property and sealing property is also arranged at the top end of the furnace body; a lifting mechanism and a moving mechanism are arranged on the furnace cover. The well type thermal treatment furnace is simple in structure and convenient to manufacture, is generally used for performing thermal treatment such as hardening, normalization, quenching, annealing and tempering on medium- and large-size metal ring pieces and is relatively professional periodic thermal treatment equipment which is more energy-saving.

Description

A kind of ring well formula heat treatment furnace
Technical field
The utility model belongs to industrial furnace technology field, relates to specifically a kind of well formula heat treatment furnace for thermal treatments such as the modified normalizing of the large and medium-sized ring of metal system, quenching, annealing, tempering.
Background technology
At present, the heat treatment furnace of annular element adopts box or desk-top box heat treatment furnace mostly, also adopt some well formula heat treatment furnaces, no matter be, use coal gas, Sweet natural gas or electrically heated, it is inhomogeneous that such heat treatment furnace generally all exists heating, heating makes the distortion of part larger, because the intermediate space of annular element is larger, if completed in body of heater, heat, not only waste energy, and heating is also inhomogeneous, stopping property is poor, therefore very high for the sealing of body of heater and the requirement of insulation, and because bell weight is large, also there is certain drawback in mobile and unlatching bell.
Summary of the invention
In order to address the above problem, the utility model provides a kind of good airproof performance, has saved the periodic heat treatment furnace of energy energy.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
The utility model is a kind of ring well formula heat treatment furnace, heat treatment furnace is arranged in the ground of having accomplished fluently below in local horizon, workshop, between the body of heater of stove and ground, be provided with the furnace bottom passage that facilitates heat treatment furnace maintenance processing, in body of heater, be provided with intermediate cylinder, at the inwall of body of heater and the outer wall of intermediate cylinder, be provided with furnace lining, furnace lining tightens up fixing by stainless steel steel round steel respectively, on furnace lining, be hung with several heating units of following closely location by alumina porcelain, the top of body of heater is also provided with the bell with thermal insulation and stopping property, on bell, be also provided with hoisting appliance and travel mechanism.
Further improvement of the utility model is: the furnace lining on body of heater comprises the first asbestos plate, the first calcium silicate board with microporous and the first cellucotton that ecto-entad sets gradually, and the furnace lining on intermediate cylinder comprises the second asbestos plate, the second calcium silicate board with microporous and the second cellucotton that set gradually from inside to outside.
Further improvement of the utility model is: travel mechanism comprises and is arranged on rail on local horizon, workshop and by roller mobile beam steel on rail, on beam steel, be provided with bi-directional synchronization motor, roller moves on rail by transmission shaft and chain under the drive of bi-directional synchronization motor.
Further improvement of the utility model is: hoisting appliance comprises the lifting moving frame being slidably matched with beam steel, and lifting moving frame is realized lifting by an oil cylinder.
Further improvement of the utility model is: bell is welded as circle by shaped steel, adopts fire-resistant aluminum silicate fiber to get rid of silk rug extruding assembling combination in the middle of bell.
Further improvement of the utility model is: the high temperature resistant parallels of a circle load-bearing between body of heater and intermediate cylinder.
Further improvement of the utility model is: the first cellucotton and the second cellucotton all adopt high temperature resistant silicic acid aluminum fiber cotton.
Further improvement of the utility model is: the skeleton of body of heater forms cylindrical shell by shaped steel and steel plate Combination Welding, is provided with the channel-section steel of reinforcing furnace bottom in the bottom of body of heater.
Further improvement of the utility model is: heat treatment furnace is also connected with temperature controller, and temperature controller is by inserting the thermopair monitoring furnace temperature in heat treatment furnace.
The beneficial effects of the utility model are: body of heater of the present utility model forms cylindrical shell by shaped steel and steel plate Combination Welding, bottom adopts GB channel-section steel to reinforce, increased the stability of stove, furnace lining adopts high temperature resistant silicic acid aluminum fiber cotton, by tiling and the method for lay-up, be made into the module matching with the type of furnace, by stainless steel round steel, tighten up and be fixed on furnace shell, heat retaining property and the resistance to elevated temperatures of stove have been increased, bell is circular by shaped steel welding, the fire-resistant aluminum silicate fiber of middle all employings gets rid of silk rug extruding assembling combination, effectively guarantees thermal insulation and stopping property; The lifting of bell is that lifting is carried out in the support by being arranged on the oil cylinder on lifting moving frame; Running gear adopts the driving of bi-directional synchronization motor, beam steel structure, reaches transmission effect; Heating unit adopts 0Cr25AL5 resistance alloys band, is processed into wavy hanging on furnace lining cotton, and has alumina porcelain nail to make its location; Due to the direct pressure-bearing metal workpiece in bottom surface, thus high temperature steel drop-bottom and parallels adopted, the one, load-bearing is also born collision; The 2nd, prevent that oxide skin and other impurity from falling into, cause heating unit rare short and blow; In burner hearth, electrical heating element is rationally distributed, guarantee that temperature uniformity reaches best, whole electric furnace divides multiple-warm area independent temperature control, and this stove adopts temperature-control heat couple and temperature control instrument to carry out temperature control, temperature controller can, according to the temperature control arranging, and can show theoretical value and measured value.
The utility model is simple in structure, easy to make, generally for thermal treatments such as the modified normalizing of the large and medium-sized ring of metal system, quenching, annealing, tempering, is a kind of relatively specialized more energy-conservation periodic equipment for Heating Processing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the utility model A place enlarged view.
Fig. 3 is the utility model B place enlarged view.
Wherein: 1-ground, 2-body of heater, 3-furnace bottom passage, 4-channel-section steel, 5-intermediate cylinder, 6-the first asbestos plate, 7-the first calcium silicate board with microporous, 8-the first cellucotton, 9-the second asbestos plate, 10-the second calcium silicate board with microporous, 11-the second cellucotton, 12-heating unit, 13-parallels, 14-bell, 15-rail, 16-beam steel, 17-bi-directional synchronization motor, 18-roller, 19-lifting moving frame, 20-oil cylinder.
Embodiment
In order to deepen that the utility model is understood, below in conjunction with drawings and Examples, the utility model is described in further detail, this embodiment, only for explaining the utility model, does not form and limits protection domain of the present utility model.
As shown in Fig. 1-3, the utility model is a kind of ring well formula heat treatment furnace, described heat treatment furnace is arranged in the ground 1 of having accomplished fluently below in local horizon, workshop, between body of heater 2 and the described ground 1 of processing stove, be provided with the furnace bottom passage 3 that facilitates heat treatment furnace to keep in repair, the height of described furnace bottom passage 3 is about 0.5 meter to 0.8 meter left and right, in described body of heater 2, be provided with intermediate cylinder 5, annular element is processed in the middle of being placed on intermediate cylinder and body of heater, at the inwall of described body of heater 2 and the outer wall of described intermediate cylinder 5, be provided with furnace lining, furnace lining on described body of heater 2 comprises the first asbestos plate 6 that ecto-entad sets gradually, the first calcium silicate board with microporous 7 and the first cellucotton 8, furnace lining on described intermediate cylinder 5 comprises the second asbestos plate 9 setting gradually from inside to outside, the second calcium silicate board with microporous 10 and the second cellucotton 11, described the first cellucotton 8 and described the second cellucotton 11 all adopt high temperature resistant silicic acid aluminum fiber cotton, cellucotton makes by tiling and the method for lay-up the module matching with body of heater shape, by stainless steel round steel, tighten up and be only fixed on body of heater, intermediate cylinder is to arrange to have avoided body of heater inhomogeneous to ring is heated, the setting of setting in the utility model and high-temperature fibre cotton, what make ring inside and outsidely all obtains good guarantor's mild heat, processing quality has improved, the high temperature resistant parallels 13 of a circle load-bearing between described body of heater 2 and described intermediate cylinder 5, a kind of load-bearing is also born collision, the 2nd, prevent that oxide skin and other impurity from falling into, cause heating original cost rare short, reduce maintenance cost, described furnace lining tightens up fixing by stainless steel steel round steel respectively, on described furnace lining, be hung with several heating units 12 of following closely location by alumina porcelain, the top of described body of heater 2 is also provided with the bell 14 with thermal insulation and stopping property, on described bell 14, be also provided with hoisting appliance and travel mechanism, described bell 14 is welded as circle by shaped steel, in the middle of described bell 14, adopt fire-resistant aluminum silicate fiber to get rid of silk rug extruding assembling combination, thermal insulation and stopping property have effectively been guaranteed, guarantee that stove is in process of production all the time in sealed state, stopped the excessive of the interior temperature of burner hearth, improved Working environment, guaranteed temperature uniformity, improved energy-saving effect, this furnace door sealing device is simple in structure, safe and reliable, easy to maintenance, described travel mechanism comprises and is arranged on rail 15 on local horizon, workshop and by roller 18 mobile beam steel 16 on described rail 15, on described beam steel 16, be provided with bi-directional synchronization motor 17, described roller 18 moves on described rail 15 by transmission shaft and chain under the drive of described bi-directional synchronization motor 17, motion is to open bi-directional synchronization motor 17, driven by motor transmission shaft rotates, transmission shaft passes to chain by turning force, by chain-driving roller 18, on rail, move, described hoisting appliance comprises the lifting moving frame 19 being slidably matched with described beam steel 16, described lifting moving frame 19 is realized lifting by an oil cylinder 20, the skeleton of described body of heater 2 forms cylindrical shell by shaped steel and steel plate Combination Welding, in the bottom of described body of heater 2, be provided with the channel-section steel 4 of reinforcing furnace bottom, in the outside of body of heater, leave in addition the flange-interface that increases the degree of depth, if run into superelevation ring, can increase according to workpiece splicing the height of furnace chamber, meet the needs of multi-use, do not need to purchase new stove, cost-saving, and furnace bottom firebrick structure heat storage capacity is large, for guaranteeing bottom temperature, below furnace bottom, also can arrange as required an electric heating element, heating unit is for to turn to spirane structure with furnace wall heating unit with material resistance wire, described heat treatment furnace is also connected with temperature controller, described temperature controller is by inserting the thermopair monitoring furnace temperature in described heat treatment furnace, temperature control system also has overtemperature sound and light of alarm, this body of heater also has scatterer and air cooling system, guarantee the use safety of stove.
Body of heater of the present utility model forms cylindrical shell by shaped steel and steel plate Combination Welding, bottom adopts GB channel-section steel to reinforce, increased the stability of stove, furnace lining adopts high temperature resistant silicic acid aluminum fiber cotton, by tiling and the method for lay-up, be made into the module matching with the type of furnace, by stainless steel round steel, tighten up and be fixed on furnace shell, heat retaining property and the resistance to elevated temperatures of stove have been increased, bell is circular by shaped steel welding, the fire-resistant aluminum silicate fiber of middle all employings gets rid of silk rug extruding assembling combination, effectively guarantees thermal insulation and stopping property; The lifting of bell is that lifting is carried out in the support by being arranged on the oil cylinder on lifting moving frame; Running gear adopts the driving of bi-directional synchronization motor, beam steel structure, reaches transmission effect; Heating unit adopts 0Cr25AL5 resistance alloys band, is processed into wavy hanging on furnace lining cotton, and has alumina porcelain nail to make its location; Due to the direct pressure-bearing metal workpiece in bottom surface, thus high temperature steel drop-bottom and parallels adopted, the one, load-bearing is also born collision; The 2nd, prevent that oxide skin and other impurity from falling into, cause heating unit rare short and blow; In burner hearth, electrical heating element is rationally distributed, guarantee that temperature uniformity reaches best, whole electric furnace divides multiple-warm area independent temperature control, and this stove adopts temperature-control heat couple and temperature control instrument to carry out temperature control, temperature controller can, according to the temperature control arranging, and can show theoretical value and measured value.
The utility model is simple in structure, easy to make, generally for thermal treatments such as the modified normalizing of the large and medium-sized ring of metal system, quenching, annealing, tempering, is a kind of relatively specialized more energy-conservation periodic equipment for Heating Processing.

Claims (9)

1. a ring well formula heat treatment furnace, described heat treatment furnace is arranged in the ground (1) of having accomplished fluently below in local horizon, workshop, between body of heater (2) and the described ground (1) of processing stove, be provided with the furnace bottom passage (3) that facilitates heat treatment furnace to keep in repair, it is characterized in that: in described body of heater (2), be provided with intermediate cylinder (5), at the inwall of described body of heater (2) and the outer wall of described intermediate cylinder (5), be provided with furnace lining, described furnace lining tightens up fixing by stainless steel steel round steel respectively, on described furnace lining, be hung with several heating units (12) of following closely location by alumina porcelain, the top of described body of heater (2) is also provided with the bell (14) with thermal insulation and stopping property, on described bell (14), be also provided with hoisting appliance and travel mechanism.
2. a kind of ring well formula heat treatment furnace according to claim 1, it is characterized in that: the furnace lining on described body of heater (2) comprises the first asbestos plate (6), the first calcium silicate board with microporous (7) and the first cellucotton (8) that ecto-entad sets gradually, the furnace lining on described intermediate cylinder (5) comprises the second asbestos plate (9), the second calcium silicate board with microporous (10) and the second cellucotton (11) that set gradually from inside to outside.
3. a kind of ring well formula heat treatment furnace according to claim 1, it is characterized in that: described travel mechanism comprises the beam steel (16) that is arranged on rail on local horizon, workshop (15) and above moves at described rail (15) by roller (18), on described beam steel (16), be provided with bi-directional synchronization motor (17), described roller (18) is upper mobile at described rail (15) by transmission shaft and chain under the drive of described bi-directional synchronization motor (17).
4., a kind of ring well formula heat treatment furnace according to claim 3, it is characterized in that: described hoisting appliance comprises the lifting moving frame (19) being slidably matched with described beam steel (16), and described lifting moving frame (19) is realized lifting by an oil cylinder (20).
5. a kind of ring well formula heat treatment furnace according to claim 1, is characterized in that: described bell (14) is welded as circle by shaped steel, adopts fire-resistant aluminum silicate fiber to get rid of silk rug extruding assembling combination in the middle of described bell (14).
6. a kind of ring well formula heat treatment furnace according to claim 1, is characterized in that: the high temperature resistant parallels (13) of a circle load-bearing between described body of heater (2) and described intermediate cylinder (5).
7. a kind of ring well formula heat treatment furnace according to claim 2, is characterized in that: described the first cellucotton (8) and described the second cellucotton (11) all adopt high temperature resistant silicic acid aluminum fiber cotton.
8. a kind of ring well formula heat treatment furnace according to claim 1, is characterized in that: the skeleton of described body of heater (2) forms cylindrical shell by shaped steel and steel plate Combination Welding, is provided with the channel-section steel (4) of reinforcing furnace bottom in the bottom of described body of heater (2).
9. according to a kind of ring well formula heat treatment furnace described in any one of claim 1-8, it is characterized in that: described heat treatment furnace is also connected with temperature controller, described temperature controller is by inserting the thermopair monitoring furnace temperature in described heat treatment furnace.
CN201320598570.6U 2013-09-27 2013-09-27 Well type thermal treatment furnace for ring piece Expired - Fee Related CN203569150U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320598570.6U CN203569150U (en) 2013-09-27 2013-09-27 Well type thermal treatment furnace for ring piece

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Application Number Priority Date Filing Date Title
CN201320598570.6U CN203569150U (en) 2013-09-27 2013-09-27 Well type thermal treatment furnace for ring piece

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104513894A (en) * 2013-09-27 2015-04-15 江苏恒力炉业有限公司 Well type thermal treatment furnace for ring piece
CN114686646A (en) * 2022-04-18 2022-07-01 宜昌船舶柴油机有限公司 Solid solution heat treatment device and method for large thin-wall stainless steel structural member
CN117387356A (en) * 2023-12-13 2024-01-12 河南天利热工装备股份有限公司 Annular pit furnace

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104513894A (en) * 2013-09-27 2015-04-15 江苏恒力炉业有限公司 Well type thermal treatment furnace for ring piece
CN104513894B (en) * 2013-09-27 2016-08-24 丹阳正联知识产权运营管理有限公司 A kind of ring well formula heat-treatment furnace
CN114686646A (en) * 2022-04-18 2022-07-01 宜昌船舶柴油机有限公司 Solid solution heat treatment device and method for large thin-wall stainless steel structural member
CN114686646B (en) * 2022-04-18 2024-02-06 宜昌船舶柴油机有限公司 Solution heat treatment device and method for large thin-wall stainless steel structural part
CN117387356A (en) * 2023-12-13 2024-01-12 河南天利热工装备股份有限公司 Annular pit furnace
CN117387356B (en) * 2023-12-13 2024-03-19 河南天利热工装备股份有限公司 Annular pit furnace

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140430

Termination date: 20140927

EXPY Termination of patent right or utility model