CN205373393U - Annealing stove is calcined in thermal -insulated vertical vacuum of energy -efficient bottom discharge of zirconia fibreboard - Google Patents
Annealing stove is calcined in thermal -insulated vertical vacuum of energy -efficient bottom discharge of zirconia fibreboard Download PDFInfo
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- CN205373393U CN205373393U CN201521134117.5U CN201521134117U CN205373393U CN 205373393 U CN205373393 U CN 205373393U CN 201521134117 U CN201521134117 U CN 201521134117U CN 205373393 U CN205373393 U CN 205373393U
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Abstract
The utility model provides an annealing stove is calcined in thermal -insulated vertical vacuum of energy -efficient bottom discharge of zirconia fibreboard, including furnace body, support, furnace gate, elevating system, the unit generates heat, the support supports the furnace body, it calcines the chamber to set up in the furnace body for calcine the product, set up on the furnace gate put wait to calcine the product hold the fever board, and will hold the fever board and send into and calcine the intracavity under elevating system's drive, the unit that generates heat is used for providing calcines the desired temperature, when calcining, furnace gate and furnace body sealing.
Description
Technical field
This utility model relates to the energy-efficient bottom discharge vertical vacuum calcining annealing furnace that a kind of Electric Cooker technology for making, particularly a kind of zirconium oxide fiber board are heat insulation.
Background technology
Vacuum drying oven is that special cermacis and metal etc. are sintered and heat treated conventional thermal-energy equipment by one, its operation principle is when heating by electric cooker, vacuum system is utilized to be extracted out by furnace gas, make inside furnace chamber close to vacuum state, avoid oxygen that calcination product and heating element heater etc. are aoxidized, but owing to the temp. in vacuum furnace is significantly high, there is bigger heat radiation, so that adopt thermostable heat insulation material to make heat shield, to prevent amount of heat from shedding.
The metal-oxide fiber insulation material that past is stable owing to lacking heatproof more than 2000 DEG C, Long-Term Properties, traditional vacuum drying oven adopts multilamellar tungsten sheet metal mostly, surround reflective insulation screen from level to level, it is thermally shielded by reflecting the principle of heat, effect is poor, electric furnace power consumption is comparatively serious, and there is hot stage intensification slowly, is even difficult to the desirable high temperature reaching to need.
This utility model is for prior art problem, it is provided that a kind of adopt zirconium oxide fiber board as the vacuum drying oven of burner hearth heat-barrier material.The long-term heatproof of zirconium oxide fiber board more than 2200 DEG C, heat conductivity is low, and heat insulation and preservation effect is splendid, and manufactured electric furnace uses temperature high and energy-efficient.Meanwhile, the electric furnace type of furnace is designed as bottom discharge vertical structure, it is simple to dress discharging operations.
Summary of the invention
The purpose of this utility model is in that the energy-efficient bottom discharge vertical vacuum calcining annealing furnace providing a kind of zirconium oxide fiber board heat insulation.
The technical solution realizing this utility model purpose is: the energy-efficient bottom discharge vertical vacuum furnace that a kind of zirconium oxide fiber board is heat insulation, including body of heater, support, fire door, elevating mechanism, heater element, temperature control system, vacuum system and cooling water system.Described body of heater is positioned on support, fire door is positioned at below body of heater, upper and lower vertical lift is realized by the elevating mechanism being arranged on support, heater element is set in body of heater, by temperature control system, the heating-up temperature of heater element is controlled, vacuum system is connected with body of heater, to carrying out evacuation in stove, by cooling water system, individual sites is cooled down.
Described body of heater includes body of heater shell, burner hearth heat-barrier material and liner protective material；Described body of heater shell is barrel-shaped metal shell, material is rustless steel or general steel plastic-blasting, body of heater cover top portion is provided with openable arc top cover, sealed by the flange with sealing ring, flat circle plate-like metal base plate it is welded with below body of heater shell, for the weight of support burner hearth heat-barrier material, base plate center has circular fire door；Described burner hearth heat-barrier material is arranged in body of heater shell, its material is zirconium oxide fiber board, including hearth floor, burner hearth side plate and burner hearth top board, the center of hearth floor is provided with circular fire door, wherein lower floor's furnace port diameter is more than upper strata furnace port diameter, burner hearth side plate is placed on hearth floor, burner hearth top board is coniform be placed on burner hearth side plate, hearth floor, burner hearth side plate and burner hearth top board are constituted by two-layer zirconium oxide fiber board, and every layer be polylith platelet composite assembly and form, assembling part adopts fissure of displacement splicing, by reducing board dimension, can effectively reduce thermal stress, avoid the cracking of bulk imposite；Described liner protective material is arranged on inside the interior thorax of burner hearth heat-barrier material, and its material is tungsten plate, pieces together overall furnace chamber, to prevent the fiber disintegrating slag of burner hearth heat-barrier material from dropping in calcination product, it is ensured that cleaning in stove.
Described fire door includes metal furnaces door shell, three layers zirconium oxide fiber board, support post and load bearing board；Wherein metal furnaces door shell is sandwich, and interlayer Nei Ketong cools down water, and the rising of fire door shell is sealed by the flange with sealing ring and body of heater shell bottom plate after putting in place；Three layers zirconium oxide fiber board is placed on metal furnaces door shell, its at the middle and upper levels, intermediate layer zirconium oxide fiber board fire door rise put in place after can enter inside burner hearth, its exterior contour matches with fire door shape, fire door is blocked, lowermost fibre plate does not enter inside burner hearth after fire door rises and puts in place, but its upper surface can fit tightly with body of heater shell bottom plate lower surface, make fire door to close further, to stop fire door heat to shed；The center of three layers fibre board is vertically inserted with support post, its material is zirconia ceramics cylinder or tungsten bar, both three layers fibre board was fixed, play again the effect supporting product weight, load bearing board is placed on column top, its material is zirconia ceramics plate or tungsten plate, and it can directly put calcination product.
The material of described heating element heater is metal leaf or tungsten braid over braid, form a circle along inboard wall of burner hearth, it is divided into three phase regions to be heated, star connection is adopted between three-phase, the tungsten electrode of the upper end of three-phase heating element heater corresponding phase respectively is fixedly connected, and connecting in lower end, tungsten electrode runs through burner hearth sidewall and is connected with copper electrode, copper electrode is fixed on body of heater shell, and carries out insulating and encapsulation process.Described cooling water system is arranged on ringwise on body of heater and makes copper electrode therefrom run through, and copper electrode is cooled down.
This utility model is compared with prior art, have the advantage that (1) vacuum drying oven of the present utility model adopts zirconium oxide fiber board as burner hearth heat-barrier material, compared with tradition tungsten radiation shield, there is the clear superiorities such as heat insulation and preservation effect is good, heatproof is high, the energy-saving effect of manufactured vacuum drying oven is notable, compared with the vacuum drying oven heat insulation with tradition tungsten radiation shield, it is possible to decrease energy consumption more than 90%, and decrease furnace shell cooling water pass into position and intake, electric furnace heats up rapidly；(2) the vacuum drying oven type of furnace of the present utility model adopts the mode of bottom discharge, fire door below body of heater, after falling can conveniently laying sintered sample, and useful load is big, can occupy burner hearth by block pattern row pattern, and furnace cavity utilization rate is high.
Below in conjunction with Figure of description, this utility model is described further.
Accompanying drawing explanation
Fig. 1 is side of the present utility model generalized section.
Fig. 2 is this utility model heat-generating units schematic diagram.
Detailed description of the invention
In conjunction with Fig. 1, the energy-efficient bottom discharge vertical vacuum furnace that a kind of zirconium oxide fiber board is heat insulation, including body of heater 1, support 2, fire door 3, elevating mechanism 4, heater element 5, temperature control system 6, vacuum system 7 and cooling water system 8.Described body of heater 1 is positioned on support 2, fire door 3 is positioned at below body of heater 1, upper and lower vertical lift is realized by the elevating mechanism 4 being arranged on support 2, heater element 5 is set in body of heater 1, by temperature control system 6, the heating-up temperature of heater element 5 is controlled, vacuum system 7 is connected with body of heater 1, to carrying out evacuation in stove, by cooling water system 8, individual sites is cooled down.
Described body of heater 1 includes body of heater shell 1-1, burner hearth heat-barrier material 1-2 and liner protective material 1-3；Described body of heater shell 1-1 is barrel-shaped metal shell, material is rustless steel or general steel plastic-blasting, body of heater shell 1-1 top is provided with openable arc top cover 1-1-1, sealed by the flange with sealing ring, flat circle plate-like metal base plate 1-1-2 it is welded with below body of heater shell 1-1, for the weight of support burner hearth heat-barrier material 1-2, base plate 1-1-2 center has circular fire door；Described burner hearth heat-barrier material 1-2 is arranged in body of heater shell 1-1, its material is zirconium oxide fiber board, including hearth floor 1-2-1, burner hearth side plate 1-2-2 and burner hearth top board 1-2-3, the center of hearth floor 1-2-1 is provided with circular fire door, wherein lower floor's furnace port diameter is more than upper strata furnace port diameter, burner hearth side plate 1-2-2 is placed on hearth floor 1-2-1, burner hearth top board 1-2-3 coniform is placed on burner hearth side plate 1-2-2, hearth floor 1-2-1, burner hearth side plate 1-2-2 and burner hearth top board 1-2-3 is constituted by two-layer zirconium oxide fiber board, and every layer be polylith platelet composite assembly and form, assembling part adopts fissure of displacement splicing, by reducing board dimension, can effectively reduce thermal stress, avoid the cracking of bulk imposite；Described liner protective material 1-3 is arranged on inside the interior thorax of burner hearth heat-barrier material 1-2, and its material is tungsten plate, pieces together overall furnace chamber, to prevent the fiber disintegrating slag of burner hearth heat-barrier material 1-2 from dropping in calcination product, it is ensured that cleaning in stove.
Described fire door 3 includes metal furnaces door shell 3-1, three layers zirconium oxide fiber board 3-2, support post 3-3 and load bearing board 3-4；Wherein metal furnaces door shell 3-1 is sandwich, and interlayer Nei Ketong cools down water, and fire door shell 3-1 rising is sealed by the flange with sealing ring and body of heater shell 1-1 base plate after putting in place；Three layers zirconium oxide fiber board 3-2 is placed on metal furnaces door shell 3-1, its at the middle and upper levels, intermediate layer zirconium oxide fiber board fire door 3 rise put in place after can enter inside burner hearth, its exterior contour matches with fire door shape, fire door is blocked, lowermost fibre plate does not enter inside burner hearth after fire door 3 rises and puts in place, but its upper surface can fit tightly with body of heater shell 1-1 base plate lower surface, make fire door to close further, to stop fire door heat to shed；The center of three layers fibre board 3-2 is vertically inserted with support post 3-3, its material is zirconia ceramics cylinder or tungsten bar, both three layers fibre board 3-2 was fixed, play again the effect supporting product weight, load bearing board 3-4 is placed on column 3-3 top, its material is zirconia ceramics plate or tungsten plate, and it can directly put calcination product.
The material of described heater element 5 is metal leaf or tungsten braid over braid, form a circle along inboard wall of burner hearth, it is divided into three phase regions to be heated, star connection is adopted between three-phase, the tungsten electrode 5-1 of the upper end of three-phase heating element heater corresponding phase respectively is fixedly connected, and connecting in lower end, tungsten electrode 5-1 runs through burner hearth sidewall and is connected with copper electrode 5-2, copper electrode 5-2 is fixed on body of heater shell 1-1, and carries out insulating and encapsulation process.Described cooling water system 8 is arranged on body of heater 1 and makes copper electrode 5-2 therefrom to run through ringwise, and copper electrode 5-2 is cooled down.
Claims (10)
1. the energy-efficient bottom discharge vertical vacuum calcining annealing furnace that a zirconium oxide fiber board is heat insulation, including body of heater (1), support (2), fire door (3), elevating mechanism (4), heat-generating units (5), it is characterized in that
Described support (2) supports body of heater (1),
Calcining chamber is set in described body of heater (1), for calcination product,
The upper setting of described fire door (3) puts the load bearing board treating calcination product, and load bearing board is sent into calcining intracavity under the driving of elevating mechanism,
Described heat-generating units (5) is used for providing calcining temperature required；
During calcining, fire door (3) seals with body of heater (1).
2. vertical vacuum according to claim 1 calcining annealing furnace, it is characterised in that described body of heater (1) includes body of heater shell (1-1), burner hearth heat-barrier material (1-2) and liner protective material (1-3)；
Described body of heater shell (1-1) includes cylindrical metal main body, the top cover (1-1-1) connected with body top or separate, the base plate (1-1-2) being used for carrying burner hearth heat-barrier material (1-2) being connected with bottom part body, described base plate (1-1-2) arranges the first fire door；
Described burner hearth heat-barrier material (1-2) includes hearth floor (1-2-1), burner hearth side plate (1-2-2) and burner hearth top board (1-2-3), described hearth floor (1-2-1) is arranged on base plate (1-1-2), hearth floor (1-2-1) arranges the second fire door, described burner hearth side plate (1-2-2) is placed on hearth floor (1-2-1), burner hearth top board (1-2-3) is placed on burner hearth side plate (1-2-2), and burner hearth side plate (1-2-2) and burner hearth top board (1-2-3) surround calcining chamber；
Described liner protective material (1-3) is arranged on burner hearth side plate (1-2-2) and burner hearth top board (1-2-3).
3. vertical vacuum according to claim 2 calcining annealing furnace, it is characterised in that described hearth floor (1-2-1), burner hearth side plate (1-2-2) and burner hearth top board (1-2-3) are made up of Zirconium oxide fibre.
4. vertical vacuum according to claim 2 calcining annealing furnace, it is characterized in that, described fire door (3) includes fire door shell (3-1), thermal insulation board (3-2), support post (3-3) and load bearing board (3-4)；
Described fire door shell (3-1) and base plate (1-1-2) corresponding position arrange the flange with sealing ring；
Fire door shell (3-1) is sandwich, logical cooling water in interlayer；
Described thermal insulation board (3-2) is arranged on fire door shell (3-1), and shape size and second fire door of thermal insulation board (3-2) are consistent；
Described support post (3-3) is arranged on thermal insulation board (3-2)；
Described load bearing board (3-4) is arranged on support post (3-3).
5. vertical vacuum according to claim 4 calcining annealing furnace, it is characterized in that, described hearth floor (1-2-1), burner hearth side plate (1-2-2) and burner hearth top board (1-2-3) are constituted by two-layer zirconium oxide fiber board, and every layer be polylith platelet composite assembly and form, assembling part adopts fissure of displacement splicing.
6. vertical vacuum according to claim 5 calcining annealing furnace, it is characterised in that the fire door internal diameter of the top plate of described hearth floor (1-2-1) is less than the fire door internal diameter of lower plywood.
7. vertical vacuum according to claim 6 calcining annealing furnace, it is characterized in that, described thermal insulation board (3-2) point three layers, and the shape in thermal insulation board (3-2) intermediate layer is consistent with the fire door of the lower plywood of hearth floor (1-2-1), thermal insulation board (3-2) upper strata is consistent with the fire door of the top plate of hearth floor (1-2-1).
8. vertical vacuum according to claim 2 calcining annealing furnace, it is characterised in that described liner protective material (1-3) is tungsten plate.
9. vertical vacuum according to claim 1 calcining annealing furnace, it is characterized in that, described heat-generating units (5) is metal leaf or tungsten braid over braid, form a circle along inboard wall of burner hearth, it is divided into three phase regions to be heated, star connection is adopted between three-phase, the tungsten electrode (5-1) of the upper end of three-phase heating element heater corresponding phase respectively is fixedly connected, connect in lower end, tungsten electrode (5-1) runs through burner hearth sidewall and is connected with copper electrode (5-2), copper electrode (5-2) is fixed on body of heater shell (1-1), and carries out insulating and encapsulation process.
10. vertical vacuum according to claim 1 calcining annealing furnace, it is characterised in that this stove also includes temperature control system (6), vacuum system (7), cooling system (8)；
Described temperature control system (6) is used for controlling the temperature of heat-generating units (5)；
Described vacuum system (7) is used for, to carrying out evacuation in stove；
Described cooling system (8) is for cooling down stove.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521134117.5U CN205373393U (en) | 2015-12-30 | 2015-12-30 | Annealing stove is calcined in thermal -insulated vertical vacuum of energy -efficient bottom discharge of zirconia fibreboard |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521134117.5U CN205373393U (en) | 2015-12-30 | 2015-12-30 | Annealing stove is calcined in thermal -insulated vertical vacuum of energy -efficient bottom discharge of zirconia fibreboard |
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| CN205373393U true CN205373393U (en) | 2016-07-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466209A (en) * | 2015-12-30 | 2016-04-06 | 江苏和腾热工装备科技有限公司 | Heat-insulated efficient energy-saving bottom discharge vertical vacuum calcination annealing furnace for zirconia fiber boards |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466209A (en) * | 2015-12-30 | 2016-04-06 | 江苏和腾热工装备科技有限公司 | Heat-insulated efficient energy-saving bottom discharge vertical vacuum calcination annealing furnace for zirconia fiber boards |
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