WO2018161265A1

WO2018161265A1 - Hollow bio-ceramic ball and manufacturing method and forming device thereof

Info

Publication number: WO2018161265A1
Application number: PCT/CN2017/075909
Authority: WO
Inventors: 钟玲珑
Original assignee: 深圳市佩成科技有限责任公司
Priority date: 2017-03-07
Filing date: 2017-03-07
Publication date: 2018-09-13

Abstract

Provided are a hollow bio-ceramic ball and a manufacturing method and a forming device thereof. The hollow bio-ceramic ball comprises a ceramic shell having a central shaft therein. A plurality of fins are arranged at the central shaft. The ceramic shell also has a plurality of through holes. The forming device comprises a support and a spherical forming cavity formed by two hemispherical shell molds. A fixing ring is provided at where the two hemispherical shell molds are connected. The tip of an outer surface of the hemispherical shell mold is connected to a supporting plate. The supporting plate is connected and fixed to a main shaft. The main shaft is located at an axis of the spherical forming cavity formed by the hemispherical shell molds. The main shaft is driven by a driving device. The main shaft is installed at the support by means of a bearing.

Description

Hollow ceramic biosphere and preparation method and molding device thereof

[0001] The present invention relates to the field of water treatment, and in particular to a hollow ceramic biosphere, a preparation method thereof and a molding apparatus.

Background technique

[0002] Filler ceramic balls are widely used in petroleum, chemical, fertilizer, natural gas and environmental protection industries, as a support material for the catalyst in the reactor and tower packing. It has the characteristics of high temperature and high pressure resistance, low water absorption and stable chemical properties. It can withstand the corrosion of acids, alkalis and other organic solvents and can withstand the temperature changes that occur during production. In the sewage treatment, the commonly used filler ceramic balls are mainly used as adsorption fillers, and have a single function. In sewage treatment, biological treatment requires the provision of a carrier for microorganisms, and generally uses a biocarrier membrane, waste tires, and the like.

technical problem

[0003] However, corresponding to some special wastewater treatments, microorganisms do not like light, and need to be in the biological sphere. The commonly used biosphere is made of plastic, which is easy to float on the water surface and needs to sink by external force.

Problem solution

Technical solution

In view of the above technical problems, the present invention provides a hollow ceramic biosphere as a filler ceramic ball, and can also be used as a biosphere to provide a carrier for microorganisms.

[0005] The specific technical solution is:

[0006] a hollow ceramic biosphere, comprising a ceramic spherical shell, wherein the ceramic spherical shell has a central axis in a hollow, the central shaft is distributed with a plurality of fins, and the ceramic spherical shell has a plurality of passes thereon. hole.

[0007] The preparation method of the hollow ceramic biosphere comprises the following steps: after selecting and compounding the ceramic aggregate, the ball mill is finely crushed and sieved; then, water is added to prepare a blank paddle, and the prefabricated central shaft is put into molding. In the equipment, the billet is injected into the molding equipment, and then grouted, then placed in a cool and dry place, and then placed in a kiln at a high temperature of 115-1200 degrees. After finishing, the hollow ceramics are obtained after the kiln is dried. ball.

[0008] The molding apparatus includes a bracket, a spherical molding cavity composed of two hemispherical shell molds, a joint ring of the two hemispherical shell molds, and the fixing ring has two hemispherical shell molds Connected into one a complete spherical molding cavity; a top end of the outer spherical surface of the hemispherical shell mold is connected with a supporting plate, the supporting plate is fixedly connected to the main shaft, and the main shaft is located on a spherical molding cavity axial line composed of a hemispherical shell mold, The spindle is driven by a drive, and the spindle is mounted on the bracket by bearings.

[0009] The hemispherical shell mold has a plurality of through holes, wherein the through holes are respectively respectively provided with perforated rods, and the top ends of the perforated rods are respectively fixed on an annular push plate, the support plate Correspondingly distributed with a guiding hole; the perforating rod passes through the guiding hole; the perforating rod is pulled out to the outside, and the end of the perforating rod is located inside the hemispherical shell mold; the perforating rod is parallel to the main axis; The cylinder is also mounted with a cylinder, and the cylinder drives the push plate to move, and the direction of movement of the push plate is parallel to the main axis.

[0010] The cylinder includes at least four, symmetrically distributed outside the two top ends of the two hemispherical shell molds.

[0011] The inner center bottom of the hemispherical shell mold has a socket for inserting a central shaft.

[0012] The push plate is located between the cylinder and the support plate; there is a return spring between the push plate and the support plate; the return spring is in a natural state, and the push plate and the cylinder are left between There is a gap.

Advantageous effects of the invention

Beneficial effect

[0013] The hollow ceramic biosphere provided by the invention can be used as a filler ball, supported with a catalyst, etc., and can also be used as a biosphere, providing a carrier for anaerobic microorganisms, and catalyzing and biologically treating the same in the same sewage treatment tank. Completed, improved sewage treatment efficiency.

Brief description of the drawing

DRAWINGS

1 is a schematic structural view of a hollow ceramic biosphere of the present invention;

2 is a schematic structural view of a molding apparatus of the present invention;

3 is a schematic view showing the molding of the molding apparatus of the present invention.

Embodiments of the invention

[0017] Specific embodiments of the present invention will be described with reference to the drawings.

[0018] As shown in FIG. 1, the hollow ceramic biosphere includes a ceramic spherical shell 11, wherein the ceramic spherical shell 11 has a central axis 12 in the hollow, and the central shaft 12 has a plurality of fins distributed thereon. There are more than one ceramic ball shell 11 Through hole 13. The hollow ceramic biosphere central axis 12 and the fins can provide a carrier for the microorganisms and can also carry a catalyst.

[0019] The preparation method of the hollow ceramic biosphere comprises the following steps: after selecting the ceramic aggregate, after the ingredients, the ball mill is finely crushed and sieved; then the water is added to prepare the blank paddle, and the prefabricated central shaft 12 is placed. In the molding equipment, the blank is injected into the molding equipment, and then grouted, then placed in a cool and dry place, and then placed in a kiln at a high temperature of 150-1200 degrees. After finishing, the hollow ceramic is obtained after the kiln is dried. Biosphere.

[0020] In the preparation process, the central shaft 12 and the fins are added to the ceramic spherical shell 11 and integrally formed.

[0021] As shown in FIG. 2, wherein the molding apparatus comprises a bracket 1 and a spherical molding cavity composed of two hemispherical shell molds 7, and the two hemispherical shell molds 7 have a fixing ring at the joint thereof. The fixing ring 8 connects the two hemispherical shell molds 7 into a complete spherical molding cavity; the outer spherical end of the hemispherical shell mold 7 is connected with a supporting plate 6, and the supporting plate 6 is fixedly connected to the main shaft 10 The spindle 10 is located on a spherical molding cavity axis composed of a hemispherical shell mold 7, the spindle 10 is driven by a driving device, and the spindle 10 is mounted on the bracket 1 by bearings. After the two hemispherical shell molds 7 are clamped, after the grouting, the main shaft is rotated 1 0, and the two hemispherical shell molds 7 are rotated at a constant speed, and the rotation is stopped after being formed.

[0022] The hemispherical shell mold 7 has a plurality of through holes, and the through holes are respectively mounted with perforated rods 5, and the top ends of the perforated rods 5 are respectively fixed on the annular push plate 4, The support plate 6 is correspondingly distributed with a guiding hole; the perforating rod 5 passes through the guiding hole; the perforating rod 5 is pulled out to the outside, and the end of the perforating rod 5 is located inside the hemispherical shell mold 7; The perforated rod 5 is parallel to the main shaft 10; the bracket 1 is further provided with a cylinder 2, and the cylinder 2 drives the push plate 4 to move, and the direction of movement of the push plate 4 is parallel to the main shaft 10.

[0023] As shown in FIG. 2, after molding, the push plate 4 is pushed by the cylinder 2 to pierce the piercing rod 5 into the formed ball blank, and the hollow spherical shell is perforated.

[0024] The cylinder 2 includes at least four, symmetrically distributed outside the two tips of the two hemispherical shell molds 7.

[0025] The inner center of the hemispherical shell mold 7 has a socket 9 for inserting the central shaft 12.

[0026] The push plate 4 is located between the cylinder 2 and the support plate 6; there is a return spring between the push plate 4 and the support plate 6; the return spring is in a natural state, the push plate There is a gap between the cylinder 4 and the cylinder 2, and the push plate 4 does not interfere with the cylinder 2 as the spindle 10 rotates.

[0027] After the end of the perforation, the cylinder 2 is retracted and the push plate 4 is withdrawn by the return spring.

Claims

Claim

a hollow ceramic biosphere, comprising a ceramic spherical shell (11), characterized in that: the ceramic spherical shell (11) has a central axis (12) in a hollow, and a plurality of fins are distributed on the central shaft (12). The ceramic spherical shell (11) has a plurality of through holes (13).

The hollow ceramic biosphere according to claim 1, wherein the preparation method comprises the following steps: selecting a ceramic aggregate, mixing the ingredients, grinding into a ball mill, and sieving; then adding water to form a blank paddle, and preparing the prefabricated center The shaft (12) is placed in the molding equipment, and then the blank is injected into the molding equipment to be grouted, then placed in a cool place to dry and repair, and then placed in a kiln at a temperature of 1150-120 at a high temperature, and then refined and discharged. Hollow ceramic biospheres are obtained after drying in the shade. The molding apparatus for a hollow ceramic biosphere according to claim 1, wherein the molding apparatus comprises a bracket (1), a spherical molding cavity composed of two hemispherical shell molds (7), and the two The hemispherical shell mold (7) has a fixing ring (8) at the joint thereof, and the fixing ring (8) connects the two hemispherical shell molds (7) into a complete spherical molding cavity; the hemispherical shell mold ( 7) A support plate (6) is attached to the top end of the outer spherical surface, the support plate (6) is fixedly connected to the main shaft (10), and the main shaft (10) is located in a spherical molding cavity composed of a hemispherical shell mold (7). On the axis, the spindle (10) is driven by a drive, and the spindle (10) is mounted on the bracket (1) by bearings.

The hollow ceramic biosphere molding apparatus according to claim 3, wherein the hemispherical shell mold (7) has a plurality of through holes, and the through holes are respectively provided with perforated rods (5). The top end of the perforating rod (5) is respectively fixed on the annular pushing plate (4), and the supporting plate (6) is correspondingly distributed with guiding holes; the perforating rod (5) passes through the guiding hole The outwardly drawn state of the perforated rod (5), the end of the perforated rod (5) is located inside the hemispherical shell mold (7); the perforated rod (5) is parallel to the main shaft (10); A cylinder (2) is also mounted on the bracket (1), and the cylinder (2) drives the push plate (4) to move, and the push plate (4) moves in a direction parallel to the main shaft (10). The hollow ceramic biosphere forming apparatus according to claim 4, characterized in that the cylinder (2) comprises at least four, symmetrically distributed outside the two tips of the two hemispherical shell molds (7).

[Claim 6] The hollow ceramic biosphere molding apparatus according to claim 4, wherein the push plate (4) is located between the cylinder (2) and the support plate (6); There is a return spring between the push plate (4) and the support plate (6); the return spring is in a natural state, and a gap is left between the push plate (4) and the cylinder (2).

[Claim 7] The hollow ceramic biosphere molding apparatus according to claim 3, wherein the hemispherical shell mold (7) has a socket (9) at the center of the center for inserting the central shaft (12) ).