CN207779104U - Zirconia-corundum refractory brick production annealing device - Google Patents

Abstract

The utility model discloses zirconia-corundum refractory brick production annealing devices,Including tunnel oven,Kiln car,Zirconia-corundum refractory brick,The tunnel oven both sides are equipped with wicket by ratchet knob,The tunnel oven inner bottom is equipped with sliding rail by nut,It is placed with kiln car above the sliding rail,Placement plate has been assigned inside the kiln car,It is placed with die box above the placement plate,It is placed with zirconia-corundum refractory brick inside the die box,The zirconia-corundum refractory brick both sides fixation accompanies fixator,The utility model is by being arranged heating layer,Utilize PTC ceramics semiconductor heating element characteristic quick heating at work,The thermal efficiency reaches 90% or more and power saving,It avoids and generates fire check because temperature fluctuation is big,Improve casting quality,Fixator and its internal lime block are set,Four edges and corners temperature of zirconia-corundum refractory brick are maintained using lime block and water heat release,Reduce and intermediate position temperature difference,Avoiding the first cooling intermediate postcooling of corner angle causes to crack.

Description

Zirconia-corundum refractory brick production annealing device

Technical field

The utility model is related to annealing device technical field more particularly to zirconia-corundum refractory brick production annealing devices.

Background technology

The annealing of castable refractory is really annealed since after 1800 DEG C of casting, is moulded in its bullet Start after 1150 DEG C -1200 DEG C of temperature.Method for annealing is divided into two classes：I.e. insulation annealing method with it is outer for thermal annealing method.But In annealing process, because casting property at parts of edges and corners and the amount of stored heat difference at intermediate position make zirconia-corundum refractory brick be also easy to produce hot tearing Line.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and the zirconia-corundum refractory brick life proposed Production annealing device.

To achieve the goals above, the utility model uses following technical solution：

Zirconia-corundum refractory brick production annealing device, including tunnel oven, kiln car, zirconia-corundum refractory brick, the tunnel oven Both sides are equipped with wicket by ratchet knob, and the inner bottom of the tunnel oven is equipped with sliding rail by nut, the sliding rail Top is placed with kiln car, and the inside of the kiln car has assigned placement plate, die box, the mold are placed with above the placement plate The inside of case is placed with zirconia-corundum refractory brick, and the both sides fixation of the zirconia-corundum refractory brick accompanies fixator, the fixator Side assigned into inside cover board by being welded with two struts, the other end of the strut, the cover board passes through screw The both sides of die box are fixed on, the bottom end both sides of the tunnel oven are equipped with idler wheel by nut.

Preferably, pumping rod has been assigned in the side of the fixator, the side of the pumping rod by being welded with pumping case, and And the both ends of pumping rod assign into inside slot, the slot is opened in the side of fixator.

Preferably, the inside of the pumping case is placed with lime block, and the pumping case upper and lower ends, which open, to be arranged, on the pumping case Lower both ends are in mesh.

Preferably, the upper end of the fixator offers notch, and notch lid is stamped above the notch.

Preferably, the inner wall side of the die box is equipped with heating layer, and the heating layer is internally provided with PTC ceramics semiconductor Heater element.

The utility model has the beneficial effects that：

1, the utility model is risen by the way that heating layer is arranged using the characteristic of PTC ceramics semiconductor heating element at work Warm fast, the thermal efficiency reaches 90% or more and power saving, avoids the fire check generated because temperature fluctuation is big, improves casting Quality.

2, the utility model maintains zirconium rigid by the way that fixator and its internal lime block is arranged using lime block and water heat release The temperature of four edges and corners of beautiful fused cast refractories reduces the temperature difference with intermediate position, avoids the first cooling intermediate postcooling of corner angle and leads Cause the crackle generated.

Description of the drawings

Fig. 1 be the utility model proposes zirconia-corundum refractory brick production annealing device structural schematic diagram；

Fig. 2 be the utility model proposes zirconia-corundum refractory brick production annealing device kiln car structural schematic diagram；

Fig. 3 be the utility model proposes zirconia-corundum refractory brick production annealing device fixator schematic diagram.

In figure：1 tunnel oven, 2 kiln cars, 21 placement plates, 3 wickets, 31 ratchet knobs, 4 sliding rails, 5 idler wheels, 6 zirconia-corundum refractory bricks, 7 die box, 71 heating layers, 8 fixators, 81 struts, 82 cover boards, 83 screws, 84 notches, 841 notch lids, 85 slots, 9 pumping cases, 91 pumping rods.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-3, zirconia-corundum refractory brick production annealing device, including tunnel oven 1, kiln car 2, zirconia-corundum refractory brick 6, The both sides of tunnel oven 1 are equipped with wicket 3 by ratchet knob 31, and the inner bottom of tunnel oven 1 is equipped with sliding rail 4 by nut, Sliding rail 4 is used for sliding to kiln car 2, and the top of sliding rail 4 is placed with kiln car 2, and kiln car 2 is used for placing zirconia-corundum refractory brick 6, kiln car 2 Inside assigned placement plate 21,21 top of placement plate is placed with die box 7, and the inside of die box 7 is placed with fused alumina zirconia electric smelting Brick 6, the both sides of zirconia-corundum refractory brick 6 are fixed to accompany fixator 8, and fixator 8 is used for fixing zirconia-corundum refractory brick 6, and gives Four corner angle, which provide part heat, makes it with the reduction of intermediate position temperature difference avoid that crackle, the side of fixator 8 is caused to pass through welding Two struts 81 are fixed with, the other end of strut 81 assigns into inside cover board 82, and cover board 82 is used for fixing strut 81 and fixator 8, cover board 82 is fixed on the both sides of die box 7 by screw 83, and the bottom end both sides of tunnel oven 1 are equipped with idler wheel 5 by nut, Idler wheel 5 is used for that tunnel oven 1 is enable to move.

In the present embodiment, because the upper end of kiln car 2 and die box 7 is open setting, zirconia-corundum refractory brick 6 is placed first Inside die box 7, fixator is used in combination to be clipped in 6 both sides of zirconia-corundum refractory brick, is used in combination cover board 82 to cover in 81 one end of strut, spiral shell is used in combination Nail 83 is fixed on 7 both sides of die box, then die box 7 is placed on 21 top of placement plate, notch lid 841 is then opened, toward fixator 8 It inside pours water, it is made to flood the lime block in pumping case 9, then cover notch lid 841, and open the PTC ceramics inside heating layer 71 Kiln car 2 is then put into tunnel oven 1 by semiconductor heating element, it is made to slide to another side outlet on sliding rail 4, in tunnel oven 1 Inside, because lime block reacts with the water poured into and to release heat in pumping case 9, make four edges and corners temperature of zirconia-corundum refractory brick 6 with The temperature at intermediate position maintains an equilibrium state, after lime block total overall reaction is complete, due to PTC ceramics semiconductor heating member The temperature of part can control at any time, and then controlling it makes the temperature in die box 7 and the zirconia-corundum refractory brick 6 of injection molten liquid Temperature continuously decreases, and to protect Corhart Zac-block not damaged because of quick refrigeration, improves the qualification rate of product.

The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (5)

1. zirconia-corundum refractory brick production annealing device, including tunnel oven (1), kiln car (2), zirconia-corundum refractory brick (6), feature It is, the both sides of the tunnel oven (1) are equipped with wicket (3), the inner bottom of the tunnel oven (1) by ratchet knob (31) Sliding rail (4) is installed by nut, kiln car (2) is placed with above the sliding rail (4), the inside of the kiln car (2) has been assigned Placement plate (21), placement plate (21) top are placed with die box (7), and the inside of the die box (7) is placed with fused alumina zirconia Fused cast refractories (6), the both sides of the zirconia-corundum refractory brick (6) are fixed to accompany fixator (8), and the side of the fixator (8) is logical It crosses and is welded with two struts (81), the other end of the strut (81) assigns into cover board (82) inside, the cover board (82) The both sides of die box (7) are fixed on by screw (83), the bottom end both sides of the tunnel oven (1) are equipped with idler wheel by nut (5)。

2. zirconia-corundum refractory brick production annealing device according to claim 1, which is characterized in that the fixator (8) Side assigned pumping rod (91), the side of the pumping rod (91) is by being welded with pumping case (9), and the two of pumping rod (91) End assigns into slot (85) inside, and the slot (85) is opened in the side of fixator (8).

3. zirconia-corundum refractory brick production annealing device according to claim 2, which is characterized in that the pumping case (9) Inside is placed with lime block, and pumping case (9) upper and lower ends open setting, and pumping case (9) upper and lower ends are in mesh.

4. zirconia-corundum refractory brick production annealing device according to claim 1, which is characterized in that the fixator (8) Upper end offer notch (84), be stamped notch lid (841) above the notch (84).

5. zirconia-corundum refractory brick production annealing device according to claim 1, which is characterized in that the die box (7) Inner wall side be equipped with heating layer (71), the heating layer (71) is internally provided with PTC ceramics semiconductor heating element.