CN213703875U

CN213703875U - Green brick mould and brick pressed by same

Info

Publication number: CN213703875U
Application number: CN202022248360.7U
Authority: CN
Inventors: 孟凡帅; 白建奎
Original assignee: Taian Sheng Yuan Powder Co ltd
Current assignee: Taian Sheng Yuan Powder Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-07-16
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a adobe mould, including last mould and lower mould, it is the cuboid to go up the mould, and it is protruding to go up the mould lower surface and set up cross triangle, the lower mould is the cuboid, and the lower mould upper surface sets up cross triangle arch. The brick is a cuboid, and the upper surface and the lower surface of the brick are respectively provided with a cross-shaped triangular groove; the bricks with the upper and lower surfaces provided with the cross-shaped triangular grooves still keep good ventilation channels after being placed tightly. The change of heat conduction efficiency and material alpha conversion rate around the contrast transformation, the discovery is transformed the back brick and is piled not collapsing, and material alpha conversion rate promotes, explains to pressing the transformation of brick mould to promoting the brick base and firing the heat conduction efficiency in-process and have good effect, has realized the improvement of product alpha conversion rate and reduction in production cost.

Description

Green brick mould and brick pressed by same

Technical Field

The utility model relates to a adobe mould and fragment of brick structure technical field especially relate to an adobe mould and the fragment of brick of pressing by this mould.

Background

The electrical filler alumina is roasted at high temperature in a shuttle furnace in the production process to achieve the phase transformation effect. At present, materials are added with organic binder, pressed into raw material alumina bricks by a brick press, and then the raw material bricks are put in order and sent into a shuttle kiln for firing. But the following defects exist in the using process: because the brick surface is smooth, puts closely, and heat conduction efficiency is not high in the firing process, leads to firing energy consumption to rise to the brick of stacking in the brick heap, outside is heated unevenly, leads to shrinkage degree inconsistent and formation brick heap collapse in the firing process, and the temperature and the heat preservation time of inboard brick high temperature firing are all not as far as outside brick, and alpha conversion rate is on the low side, influences the product index.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at improving the alumina brick appearance structure who suppresses through carrying out the institutional advancement to the brick mould of pressing to improve the heat conduction efficiency of calcination in-process, further reduce the unit production energy consumption. The technical scheme of the utility model including the transformation of pressing the brick mould structure and the transformation of fragment of brick structure, concrete method is as follows:

the first purpose of the invention is to provide a green brick mold, which comprises an upper mold and a lower mold, wherein the upper mold is a cuboid, the lower surface of the upper mold is provided with a cross-shaped triangular bulge, the lower mold is a cuboid, and the upper surface of the lower mold is provided with a cross-shaped triangular bulge.

Preferably, the sizes of the cross-shaped triangular protrusions on the surfaces of the upper die and the lower die are the same, the sizes are 30cm, the widths are 16cm, the thicknesses are 1cm, and the widths of the triangular protrusions are 4 cm.

Preferably, the upper die and the lower die are made of die steel and are integrally formed; the upper die is 30cm long, 16cm wide and 16cm thick, and the lower die is 30cm long, 16cm wide and 5cm thick.

The centers of the cross-shaped triangular bulge of the upper die and the cross-shaped triangular bulge of the lower die are respectively positioned at the centers of the upper die and the lower die, so that the centers of grooves on the surfaces of the bricks are aligned after the bricks are pressed, the positions of the grooves are the same, and a neat air-permeable channel is formed.

The other purpose of the invention is to provide a brick pressed by the green brick mould, wherein the brick is a cuboid, and the upper surface and the lower surface of the brick are respectively provided with a cross-shaped triangular groove; the green brick mould enters an up-down through mould to apply pressure to a certain amount of materials for extrusion forming in the brick pressing process, so that a cross-shaped triangular groove is formed on the surface of the formed brick; the bricks with the upper and lower surfaces provided with the cross-shaped triangular grooves still keep good ventilation channels after being placed tightly.

Preferably, the brick is made of alumina.

Preferably, the length of each brick is 30cm, the width of each brick is 16cm, the thickness of each brick is 8.5cm, the sizes of the cross-shaped triangular grooves on the upper surface and the lower surface of each brick are the same, the sizes of the cross-shaped triangular grooves are 30cm, the widths of the triangular grooves are 16cm, the depths of the triangular grooves are 1cm, and the widths of the triangular grooves are 4 cm.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an upper and lower mould appearance design of brick mould is pressed in the change, makes the aluminium oxide fragment of brick surface that suppresses form the recess, has still remain good steam circulation passageway after closely stacking, has improved the heat-conduction efficiency among the calcination process greatly, has reduced the unit production energy consumption to avoid the brick to pile the phenomenon of collapsing of firing the in-process, improved the alpha conversion rate of product.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

Fig. 1 is a three-view diagram of an upper mold structure provided in embodiment 1 of the present invention, in which (a) is a bottom view, (b) is a front view, and (c) is a side view;

fig. 2 is a three-view of a lower mold structure provided in embodiment 1 of the present invention, in which (a) is a front view, (b) is a top view, and (c) is a side view;

fig. 3 is a schematic structural diagram of a brick provided in embodiment 2 of the present invention.

Wherein, 1-triangle projection and 2-triangle groove.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The utility model aims at overcoming the not enough of technique in the above-mentioned actual production, under current production process condition, through reforming transform adobe mould structure to improve the brick and fire the heat-conduction efficiency of in-process, realize product quality's improvement and manufacturing cost's reduction.

Example 1: green brick die

The upper die of the brick pressing die is integrally formed by die steel, and as shown in figure 1, the whole brick pressing die is a cuboid and 16cm wide; the length is 30cm, the thickness is 16cm, and the lower surface of the die is provided with a cross-shaped triangular bulge 1;

the lower die of the brick pressing die is integrally formed by die steel, and as shown in figure 2, the whole brick pressing die is a cuboid and 16cm wide; the length is 30cm, the thickness is 5cm, and the upper surface of the die is provided with a cross-shaped triangular bulge 1;

the sizes of the cross-shaped triangular protrusions on the surfaces of the upper die and the lower die are the same, the sizes of the cross-shaped triangular protrusions are 30cm, the widths of the cross-shaped triangular protrusions are 16cm, the thicknesses of the cross-shaped triangular protrusions are 1cm, and the widths of the triangular protrusions are 4 cm. Example 2: brick block pressed by green brick mould

The brick is a cuboid, and as shown in fig. 3, the upper surface and the lower surface of the brick are respectively provided with a cross-shaped triangular groove 2; the green brick mould enters an up-down through mould to apply pressure to a certain amount of materials for extrusion forming in the brick pressing process, so that a cross-shaped triangular groove is formed on the surface of the formed brick; the bricks with the upper and lower surfaces provided with the cross-shaped triangular grooves still keep good ventilation channels after being placed tightly.

In the bottom view and the top view of the mold shown in fig. 1 and fig. 2, the centers of the cross-shaped triangular protrusion of the upper mold and the cross-shaped triangular protrusion of the lower mold are respectively located at the centers of the upper mold plane and the lower mold plane, so that the centers of the grooves on the surfaces of the bricks are aligned after the bricks are pressed, the positions of the grooves are the same, and a neat ventilation channel is formed.

As a typical example, the bricks are bricks made of alumina. The brick is 30cm long, 16cm wide and 8.5cm thick, the sizes of the cross-shaped triangular grooves on the upper surface and the lower surface of the brick are the same, the sizes are 30cm, 16cm wide and 1cm deep, and the width of the triangular groove is 4 cm.

The fragment of brick is the plane except upper surface and lower surface, and other faces do benefit to a large amount of fragments of brick and pile up neatly and arrange, and when the fragment of brick piles up, the cross triangle recess of adjacent fragment of brick from top to bottom aligns, forms great ventilative passageway, improves heat-conduction efficiency to avoid being heated inhomogeneous problem between each fragment of brick.

This example compares the change in heat transfer efficiency and material alpha conversion before and after reforming by the following method:

1. and pressing the same batch of materials by a brick press to form bricks, placing the bricks to be tightly conveyed into a shuttle kiln for firing, and comparing the shrinkage conditions of the bricks on the inner side and the outer side of the fired brick pile under the same conditions. The reformed brick pile does not collapse, and proves that bricks on the inner side and the outer side are uniformly heated and contract uniformly in the firing process, the heat convection is good, and the heat conduction efficiency is improved.

2. And (4) processing the fired material into a finished product through subsequent procedures, and sampling to detect the alpha conversion rate of the material. The alpha conversion rate of the material before the comparative transformation is improved.

Actual production practices show that the brick pile is not collapsed after modification, the conversion rate of the material alpha is improved to 96.84% from 95.66% before modification, and the modification of the brick pressing mold has a good effect on improving the heat conduction efficiency in the green brick firing process, so that the improvement of the conversion rate of the product alpha and the reduction of the production cost are realized.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a adobe mould, its characterized in that, includes mould and lower mould, it is the cuboid to go up the mould, and it is protruding to go up the mould lower surface and set up cross triangle, the lower mould is the cuboid, and it is protruding that the lower mould upper surface sets up cross triangle, the protruding center of cross triangle with the lower mould of going up the mould lies in mould and lower mould planar center respectively.

2. A green brick mold according to claim 1, wherein the cross-shaped triangular projections on the upper mold surface and the lower mold surface are the same size, and are each 30cm long, 16cm wide and 1cm thick, and the width of the triangular projection is 4 cm.

3. A green brick mold according to claim 2, wherein the upper mold and the lower mold are made of mold steel and are integrally formed; the upper die is 30cm long, 16cm wide and 16cm thick; the lower die is 30cm long, 16cm wide and 5cm thick.

4. A brick pressed from a green brick mold according to any one of claims 1 to 3, wherein the brick is a cuboid, and the upper surface and the lower surface of the brick are respectively provided with a cross-shaped triangular groove.

5. A green brick pressed according to claim 4 wherein the brick is of alumina material.

6. A brick pressed by a green brick mould according to claim 4, wherein the brick is 30cm long, 16cm wide and 8.5cm thick, the sizes of the cross-shaped triangular grooves on the upper surface and the lower surface of the brick are the same, and the cross-shaped triangular grooves are 30cm long, 16cm wide and 1cm deep, and the width of each triangular groove is 4 cm.