Strip-shaped ceramic handicraft and preparation method thereof

Abstract

The present invention relates to the field of ceramics and preparation processes thereof, and in particular to a strip-shaped ceramic handicraft and a preparation method thereof. The raw materials of the blank rod, measured by weight, include the following components: 15-20 parts of refractory aggregate, 30-35 parts of clay, 10-15 parts of lithium feldspar, 8-12 parts of potassium feldspar, 5-8 parts of pyrophyllite, 5-7 parts of talc, 10-15 parts of quartz sand, 3-4 parts of magnesium oxide, 5-7 parts of methyl cellulose, 2-3 parts of glycerol, and 1-2 parts of tung oil. The blank body prepared by adopting this formula has a small thermal expansion coefficient, good bending resistance and thermal spalling resistance, so the ceramic rod after firing is straight and not easy to bend; the blank rod is fired in a suspended manner, and its own weight keeps it straight, so it will not bend during the firing process; three glazes on the surface of the blank rod blend in the middle to form a mottled texture of alternating gray and brown, and the overall transition from off-white to brown has a unique antique aesthetic.

Description

Technical Field

[0001] The present invention relates to the field of ceramics and preparation technology thereof, and in particular to strip-shaped ceramic handicrafts and a preparation method thereof. Background Art

[0002] Traditional long rectangular ceramic handicrafts, such as Guan Gong swords, ceramic sticks and other ceramic weapon decorations with long handles, are all based on long rectangular blanks, on which other decorative parts or patterns are added. However, due to the large length span of the blanks made of clay, they are prone to cracking and bending during the drying and firing process, resulting in the product failing to meet the standards of handicrafts. If other ceramic decorative parts are to be added to the end of the blank, since the shape of the decorative parts themselves is usually more complex, the conventional practice is to form the decorative part blank separately, bond the blank and the decorative part blank with clay, and then put them into the kiln for firing. Due to the large weight of the decorative parts, the connection between the two is prone to cracking or even breaking during the firing process, and under the influence of the weight of the decorative part blank, the blank is prone to bending during the firing process, resulting in the fired handicraft being unqualified. In view of this, this case arises. Summary of the Invention

[0003] An object of the present invention is to solve at least the above-mentioned problems by means of a strip-shaped ceramic craft and a method for preparing the same.

[0004] To solve the above technical problems, the technical solution adopted by the present invention is as follows: a strip-shaped ceramic handicraft, comprising a blank, the surface of the blank being covered with a glaze, and the raw materials of the blank comprising the following components, in parts by weight: 15-20 parts of refractory aggregate, 30-35 parts of clay, 10-15 parts of lithium feldspar, 8-12 parts of potassium feldspar, 5-8 parts of pyrophyllite, 5-7 parts of talc, 10-15 parts of quartz sand, 3-4 parts of magnesium oxide, 5-7 parts of methyl cellulose, 2-3 parts of glycerin, and 1-2 parts of tung oil.

[0005] Preferably, the raw materials of the refractory aggregate include the following components in parts by weight: 10-12 parts of fused mullite and 15-17 parts of sintered tabular corundum.

[0006] Preferably, the elongated ceramic handicraft further comprises a connecting rod, wherein a hollow cavity is provided inside the blank, the hollow cavity at one end of the blank is closed, and an opening communicating with the hollow cavity is provided at the other end, the connecting rod is inserted into the hollow cavity of the blank from the opening, a connecting hole is provided on the side wall of the blank, a hanging hole is provided at the end of the blank near the opening, and a connecting piece for connecting the connecting rod and the blank is provided in the connecting hole and the hanging hole.

[0007] Preferably, the strip-shaped ceramic handicraft also includes a decorative piece blank, the end face of the decorative piece blank is provided with a socket adapted to the connecting rod, the side wall of the decorative piece blank is provided with a connecting hole connected to the socket, one end of the connecting rod is inserted into the socket of the decorative piece blank, and the connecting hole of the decorative piece blank is provided with a connecting piece for connecting the connecting rod and the decorative piece blank.

[0008] Preferably, the glaze includes gray crystalline glaze, khaki glaze and cheese glaze. The raw materials of the gray crystalline glaze include the following components in parts by weight: 40-45 parts of nepheline orthoclase, 20-30 parts of limestone, 10-12 parts of kaolin, 5-7 parts of ball clay, 10-12 parts of strontium carbonate, 5-8 parts of lithium carbonate, 8-10 parts of titanium dioxide, and 2-3 parts of bentonite. The raw materials of the khaki glaze include the following components in parts by weight: 40-50 parts of albite, kaolin, The raw materials of the cheese glaze, calculated by weight, include the following components: 50-55 parts of transparent filler, 12-15 parts of albite, 20-24 parts of borate, 10-12 parts of silicon dioxide, 4-6 parts of limestone, 6-8 parts of dolomite, and 6-8 parts of zirconium silicate.

[0009] The method for preparing the above-mentioned strip-shaped ceramic handicraft comprises the following steps:

[0010] Step a, forming: forming the decorative part blank and the blank rod having a hollow structure;

[0011] Step b, drying: the preform is passed through a metal rod and then hung in a dryer for drying. The metal rod is then removed, one end of the hollow cavity of the preform is sealed with clay, and the preform is placed in the dryer again for drying.

[0012] Step c, bisque firing: vertically suspending the billet in a kiln for bisque firing;

[0013] Step d, glazing: glazing the bisque-fired blank and the decorative piece blank;

[0014] Step e, glaze firing: hanging the glazed blank rod and the decorative piece blank in a kiln for glaze firing;

[0015] Step f, connecting: connecting the glaze fired blank rod and the decorative piece blank body through connecting rods and connecting pieces.

[0016] Preferably, in step a, the blank is formed by vacuum extrusion and then cut to a fixed length, and then the connecting holes and hanging holes are processed. There are two hanging holes, and they are symmetrically positioned. The connecting holes and the jacks are processed after the decorative part blank is formed.

[0017] Preferably, in step c, the blank rod and the decorative part blank body are both fired by hanging hooks in the kiln, the blank rod is hung on the hook through the hanging hole, and the decorative part blank is hung on the hook through the connecting hole, and the blank rod remains in a vertical state under the action of gravity during the firing process; the kiln is provided with an overhead movable kiln car, and the hook includes a chain and a horizontal hook, the top of the chain is connected to the bottom of the kiln car, and the bottom is movably connected to the horizontal hook, the horizontal hook passes through the two hanging holes of the blank rod, and the blank rod remains in a vertical state under the action of its own weight; after biscuit firing, the surface of the blank rod is carved with patterns.

[0018] Preferably, in step d, when glazing the blank, gray crystalline glaze is sprayed from the closed end to the lower quarter of the blank, and then khaki glaze is immersed from the open end to the upper four-fifths of the blank, and finally cheese glaze is sprayed from the closed end to the lower half of the blank. Before glazing, the opening, hanging hole and connecting hole of the blank are filled with paraffin wax, and the jack and connecting hole of the decorative part blank are filled with paraffin wax.

[0019] Preferably, in step f, the connecting rod is inserted into the interior of the blank and the decorative part blank, and the connecting rod is positioned and marked in the first opening and the second opening with a marking pen, then taken out, a hole is opened at the corresponding position of the connecting rod, and then the connecting rod is inserted into the interior of the blank and the decorative part blank again, and fixed by the connecting piece.

[0020] From the above description, it can be seen that the strip-shaped ceramic handicrafts and the preparation method thereof provided by the present invention have the following beneficial effects: the raw material of the green body prepared by adopting this formula has a small thermal expansion coefficient, good bending resistance and thermal spalling resistance, so the ceramic rods after firing are straight and not easy to bend, and the mixture of fused mullite and sintered plate-shaped corundum is used as refractory aggregate to reduce the thermal expansion coefficient; the green rods are fired in a suspended manner, and their own weight keeps them straight, so they will not bend during the firing process; the three glazes on the surface of the green rods blend in the middle to form a mottled texture alternating gray and brown, and the overall transition is from grayish white to brown, with a unique antique beauty. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a structural diagram of a strip-shaped ceramic handicraft.

[0022] Figure 2 This is a schematic diagram of the drying process of the billet.

[0023] Figure 3 This is a schematic diagram of the hanging firing of billets. DETAILED DESCRIPTION

[0024] The present invention is further described below through specific embodiments.

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] As shown in the figure, the strip-shaped ceramic handicraft of the present invention includes a blank rod 1, the surface of the blank rod 1 is covered with a glaze, and the raw materials of the blank rod 1 include the following components in parts by weight: 15-20 parts of refractory aggregate, 30-35 parts of clay, 10-15 parts of lithium feldspar, 8-12 parts of potassium feldspar, 5-8 parts of pyrophyllite, 5-7 parts of talc, 10-15 parts of quartz sand, 3-4 parts of magnesium oxide, 5-7 parts of methyl cellulose, 2-3 parts of glycerin, and 1-2 parts of tung oil.

[0027] The raw materials for the refractory aggregate, measured in parts by weight, include the following: 10-12 parts fused mullite and 15-17 parts sintered tabular corundum. The mixture of fused mullite and sintered tabular corundum used as the raw material for the billet 1 has a low thermal expansion coefficient, good thermal spalling resistance, and is less susceptible to cracking and bending during firing. The particle size of the fused mullite and sintered tabular corundum refractory aggregates is controlled to be between 100 and 500 microns, while the particle size of the other particles is between 50 and 100 microns. The sintered plate-shaped corundum has many micropores inside, which can further improve the thermal shock resistance compared with the fused corundum. The dual-phase crystals composed of mullite and corundum are staggered and filled after high-temperature firing, forming a tightly stacked microcrack network structure at the microscopic level, which can absorb part of the energy when absorbing hot and cold shocks. Therefore, the blank has good thermal shock resistance, and the blank 1 is not easy to crack during the firing process; the blank raw material prepared by using the above formula has a small thermal expansion coefficient, good bending resistance and thermal spalling resistance, and the ceramic rod after firing is straight and not easy to bend. Methyl cellulose is used as an organic binder and plasticizer, and glycerin and tung oil are used as lubricants for extrusion molding, which effectively improve the plasticity of the blank. Magnesium oxide can form a solid solution with aluminum oxide, accelerate the densification rate, and increase the sintering speed.

[0028] The long strip of ceramic handicraft also includes a connecting rod 3. A hollow cavity is provided inside the blank 1. The hollow cavity at one end of the blank 1 is closed and an opening connected to the hollow cavity is provided at the other end. The connecting rod 3 is inserted into the hollow cavity of the blank 1 from the opening. A connecting hole is provided on the side wall of the blank 1. A hanging hole 11 is provided at the end of the blank 1 near the opening. A connecting part 2 for connecting the connecting rod 3 and the blank 1 is provided in the connecting hole and the hanging hole 11.

[0029] The strip-shaped ceramic handicraft also includes a decorative piece body 4, the end face of which is provided with a socket compatible with the connecting rod 3, and the side wall of the decorative piece body 4 is provided with a connecting hole connected to the socket, one end of the connecting rod 3 is inserted into the socket of the decorative piece body 4, and the connecting hole of the decorative piece body 4 is provided with a connecting piece 2 for connecting the connecting rod 3 and the decorative piece body 4. The blank rod 1 has a hollow structure, and the connecting rod 3 embedded in it can improve its impact resistance and torsion resistance, so that the long strip blank rod 1 is not easy to break after bearing the weight of itself and the decorative part blank 4. After the decorative part blank 4 and the blank rod 1 are fired separately, they are connected by the connecting rod 3 to avoid the separation of the two due to the heavy weight of the decorative part blank 4 during the overall firing, and can improve the firmness of the connection between the two and the durability of later use; the connecting member 2 is a threaded connecting member 2, and a threaded hole is opened on the connecting rod 3. The threaded connecting member 2 passes through the hanging hole 11 and the connecting hole of the blank rod 1 and is threadedly connected to the threaded hole of the connecting rod 3, so that the connecting rod 3 is fixedly connected to the blank rod 1. The threaded connecting member 2 also passes through the connecting hole of the decorative part blank 4 and is threadedly connected to the threaded hole of the connecting rod 3, so that the connecting rod 3 is fixedly connected to the decorative part blank 4. The connection between the decorative part blank 4 and the blank rod 1 is filled and decorated with paint of the same color as the glaze.

[0030] The glaze includes gray crystalline glaze, khaki glaze and cheese glaze. The raw materials of gray crystalline glaze include the following components in parts by weight: 40-45 parts of nepheline orthoclase, 20-30 parts of limestone, 10-12 parts of kaolin, 5-7 parts of ball clay, 10-12 parts of strontium carbonate, 5-8 parts of lithium carbonate, 8-10 parts of titanium dioxide, and 2-3 parts of bentonite. The raw materials of khaki glaze include the following components in parts by weight: 40-50 parts of albite, 20-2 The raw materials for the cheese glaze, calculated by weight, include: 5 parts of red iron oxide, 12-15 parts of red iron oxide, 4-6 parts of copper oxide, 15-18 parts of silicon dioxide, 8-12 parts of bone ash, 7-9 parts of talc, 7-10 parts of dolomite, and 2-4 parts of bentonite. The raw materials for the cheese glaze, calculated by weight, include: 50-55 parts of transparent filler, 12-15 parts of albite, 20-24 parts of borate, 10-12 parts of silicon dioxide, 4-6 parts of limestone, 6-8 parts of dolomite, and 6-8 parts of zirconium silicate. Khaki glaze exhibits a semi-matte brownish-red after firing, while cheese glaze exhibits a milky off-white after firing, and crystalline glaze exhibits a matte grayish-crystal effect after firing. After firing as a whole, the glaze surface of the preform 1 is off-white near the top, gradually transitioning to brown as it goes down, with a mottled texture of alternating white and brown at the junction, creating an antique-like glaze effect.

[0031] As a preferred embodiment of the strip-shaped ceramic handicraft:

[0032] The raw materials of the blank 1 include the following components in parts by weight: 15 parts of refractory aggregate, 30 parts of clay, 10 parts of lithium feldspar, 8 parts of potassium feldspar, 5 parts of pyrophyllite, 5 parts of talc, 10 parts of quartz sand, 3 parts of magnesium oxide, 5 parts of methyl cellulose, 2 parts of glycerin, and 1 part of tung oil.

[0033] The raw materials of the refractory aggregate include the following components in parts by weight: 10 parts of fused mullite and 15 parts of sintered plate-shaped corundum.

[0034] The raw materials of gray crystalline glaze, calculated in parts by weight, include the following components: 40 parts of nepheline orthoclase, 20 parts of limestone, 10 parts of kaolin, 5 parts of ball clay, 10 parts of strontium carbonate, 5 parts of lithium carbonate, 8 parts of titanium dioxide, and 2 parts of bentonite. The raw materials of khaki glaze, calculated in parts by weight, include the following components: 40 parts of albite, 20 parts of kaolin, 12 parts of red iron oxide, 4 parts of copper oxide, 15 parts of silicon dioxide, 8 parts of bone ash, 7 parts of talc, 7 parts of dolomite, and 2 parts of bentonite. The raw materials of cheese glaze, calculated in parts by weight, include the following components: 50 parts of transparent filler, 12 parts of albite, 20 parts of borate, 10 parts of silicon dioxide, 4 parts of limestone, 6 parts of dolomite, and 6 parts of zirconium silicate.

[0035] As the preferred embodiment 2 of the strip-shaped ceramic handicraft:

[0036] The raw materials of the blank 1 include the following components in parts by weight: 20 parts of refractory aggregate, 35 parts of clay, 15 parts of lithium feldspar, 12 parts of potassium feldspar, 8 parts of pyrophyllite, 7 parts of talc, 15 parts of quartz sand, 4 parts of magnesium oxide, 7 parts of methyl cellulose, 3 parts of glycerin, and 2 parts of tung oil.

[0037] The raw materials of the refractory aggregate include the following components in parts by weight: 12 parts of fused mullite and 17 parts of sintered plate-shaped corundum.

[0038] The raw materials of gray crystalline glaze, calculated in parts by weight, include the following components: 45 parts of nepheline orthoclase, 30 parts of limestone, 12 parts of kaolin, 7 parts of ball clay, 12 parts of strontium carbonate, 8 parts of lithium carbonate, 10 parts of titanium dioxide, and 3 parts of bentonite. The raw materials of khaki glaze, calculated in parts by weight, include the following components: 50 parts of albite, 25 parts of kaolin, 15 parts of red iron oxide, 6 parts of copper oxide, 18 parts of silicon dioxide, 12 parts of bone ash, 9 parts of talc, 10 parts of dolomite, and 4 parts of bentonite. The raw materials of cheese glaze, calculated in parts by weight, include the following components: 55 parts of transparent filler, 15 parts of albite, 24 parts of borate, 12 parts of silicon dioxide, 6 parts of limestone, 8 parts of dolomite, and 8 parts of zirconium silicate.

[0039] As the preferred embodiment 3 of the strip-shaped ceramic handicraft:

[0040] The raw materials of the blank 1 include the following components in parts by weight: 17 parts of refractory aggregate, 32 parts of clay, 12 parts of lithium feldspar, 10 parts of potassium feldspar, 7 parts of pyrophyllite, 6 parts of talc, 12 parts of quartz sand, 3.5 parts of magnesium oxide, 6 parts of methyl cellulose, 2.5 parts of glycerin, and 1.5 parts of tung oil.

[0041] The raw materials of the refractory aggregate include the following components in parts by weight: 11 parts of fused mullite and 16 parts of sintered plate-shaped corundum.

[0042] The raw materials of gray crystalline glaze, calculated in parts by weight, include the following components: 42 parts of nepheline orthoclase, 25 parts of limestone, 11 parts of kaolin, 6 parts of ball clay, 11 parts of strontium carbonate, 6 parts of lithium carbonate, 9 parts of titanium dioxide, and 2.5 parts of bentonite. The raw materials of khaki glaze, calculated in parts by weight, include the following components: 42 parts of albite, 22 parts of kaolin, 13 parts of red iron oxide, 5 parts of copper oxide, 16 parts of silicon dioxide, 10 parts of bone ash, 8 parts of talc, 8 parts of dolomite, and 2.5 parts of bentonite. The raw materials of cheese glaze, calculated in parts by weight, include the following components: 52 parts of transparent filler, 13 parts of albite, 22 parts of borate, 11 parts of silicon dioxide, 4.5 parts of limestone, 7 parts of dolomite, and 7 parts of zirconium silicate.

[0043] The preparation method of the strip-shaped ceramic handicraft comprises the following steps:

[0044] Step a, forming: forming a decorative part blank 4 and a blank rod 1 having a hollow structure;

[0045] In step a, the preform 1 is formed by vacuum extrusion and then cut to length. The connecting holes and hanging holes 11 are then machined. Two hanging holes 11 are provided and are symmetrically positioned. The connecting holes and insertion holes are then machined after the decorative part body 4 is formed. The preform 1 has a circular outer cross-section, and the internal hollow cavity is also a circle concentric with the outer contour. The connecting rod is a solid or hollow rod with a circular cross-section. Its outer diameter is slightly smaller than the hollow cavity of the preform 1. The connecting rod can be made of metal or plastic.

[0046] Step b, drying: Figure 2 After the preform 1 passes through the metal rod 5, it is hung in the dryer for drying. The outer diameter of the metal rod 5 is smaller than the hollow cavity of the preform 1. The two ends of the metal rod 5 are detachably mounted in the dryer. A plurality of support seats 6 are also provided at the bottom of the preform 1. The top surface of the support seat 6 is a semi-arc shape dominated by the outer contour of the preform 1. The preform 1 is rotated regularly during the drying process. After drying, the metal rod 5 is taken out, and one end of the hollow cavity of the preform 1 is sealed with mud, and then the preform is put into the dryer for drying again. The purpose of inserting the metal rod 5 and placing it on the support seat during the drying process is to shape the preform 1 to prevent the preform 1 from deforming during the drying process. The decorative part blank 4 is also subjected to corresponding drying treatment.

[0047] Step c, bisque firing: the blank rod 1 is vertically suspended in a kiln for bisque firing; the decorative piece blank 4 is also bisque fired.

[0048] In step c, Figure 3 The blank rod 1 and the decorative part blank 4 are both fired by hanging hooks in the kiln. The blank rod 1 is hung on the hook through the hanging hole 11, and the decorative part blank 4 is hung on the hook through the connecting hole. The blank rod 1 remains in a vertical state under the action of gravity during the firing process; a top-mounted movable kiln car is provided in the kiln, and the hook includes a chain 7 and a horizontal hook 8. The top of the chain 7 is connected to the bottom of the kiln car, and the bottom is connected to the horizontal hook 8. The horizontal hook 8 passes through the two hanging holes 11 of the blank rod 1, and limit pins are inserted at both ends of the horizontal hook 8. The blank rod 1 remains in a vertical state under the action of its own weight; after biscuit firing, the surface of the blank rod 1 is carved with patterns. Two symmetrical hanging holes 11 are provided, with the bottoms of the hooks horizontal, ensuring that the preform 1 remains vertical when suspended from them. Since the preform 1 is suspended for firing, its own weight keeps it straight, preventing it from bending during firing. The hooks, mounted on the top kiln car, ensure both production efficiency and product quality. They are made of a high-temperature-resistant alloy. During firing, the preform 1 and the decorative piece body 4 are suspended one by one from the kiln car's hooks. The kiln car is then pushed into the kiln, and the kiln door is closed for firing. After bisque firing, the preform 1 and decorative piece body 4 are removed. After bisque firing, the ends of the preform 1 are clamped on concentric rotors. The preform 1 is rotated and a CNC robot is used to engrave the surface texture of the preform 1. After glaze firing, the surface of the preform 1 forms a corresponding concave texture.

[0049] Step d, glazing: glazing the bisque-fired blank rod 1 and the decorative piece blank 4;

[0050] In step d, when glazing the blank rod 1, gray crystalline glaze is sprayed from the closed end to the lower quarter of the blank rod 1, and then khaki glaze is immersed from the open end to the upper four-fifths of the blank rod 1. Finally, cheese glaze is sprayed from the closed end to the lower half of the blank rod 1. Before glazing, the opening, hanging hole 11 and connecting hole of the blank rod 1 are filled with paraffin wax, and the insertion hole and connecting hole of the decorative part blank 4 are filled with paraffin wax. The filled paraffin wax prevents the glaze from entering the interior of the blank rod 1 and the decorative piece blank 4, and in the subsequent glaze firing process, the paraffin wax will burn and decompose; in the glaze firing process, since the top of the blank rod 1 is covered with gray crystalline glaze and cheese glaze, the middle part is a blend of gray crystalline glaze, khaki glaze and cheese glaze, and the bottom is covered with khaki glaze, the three glazes are blended in the middle during the glaze firing process to form a mottled texture of alternating gray and brown, and the overall transition is from grayish white to brown, with a unique antique beauty. The glazing method of the decorative piece can refer to the glazing method of the blank rod 1, or khaki glaze can be applied separately.

[0051] Step e, glaze firing: The glazed blank rod 1 and the decorative piece blank body 4 are suspended in a kiln for glaze firing; the kiln structure for glaze firing is the same as that for bisque firing, and the firing is also carried out by hanging firing. After glazing, the glaze is first dried, and then the paraffin at the hanging hole 11 of the blank rod 1 and the connecting hole of the decorative piece blank 4 is removed to facilitate hanging by a hook.

[0052] Step f, connection: connect the glaze fired blank rod 1 and the decorative piece blank body 4 through the connecting rod 3 and the connecting piece 2.

[0053] In step f, the connecting rod 3 is inserted into the interior of the preform 1 and the decorative part body 4. The connecting rod 3 is marked for positioning at the first and second openings with a marker pen. The connecting rod 3 is then removed, and holes are drilled at corresponding positions on the connecting rod 3. The connecting rod 3 is then inserted again into the interior of the preform 1 and the decorative part body 4 and secured via the connecting member 2. A threaded hole is drilled in the connecting rod 3, and the connecting member 2 is a threaded connecting member 2. The connecting member 2 is clamped into the connecting hole between the preform 1 and the decorative part body 4, so that the preform 1 and the decorative part body 4 are secured via the connecting rod 3. Then, an anti-corrosion paint similar in glaze finish is applied to the end of the connecting member 2 in the connecting hole to ensure that the color of the connecting member 2 is uniform and coordinated with the glaze finish.

[0054] The above are only some specific implementation methods of the present invention, but the design concept of the present invention is not limited to this. Any non-substantial changes to the present invention using this concept shall be deemed as an infringement of the protection scope of the present invention.

Claims

1. Strip-shaped ceramic handicrafts, characterized by: The invention comprises a blank, the surface of the blank is covered with a glaze, and the raw materials of the blank include the following components in parts by weight: 15-20 parts of refractory aggregate, 30-35 parts of clay, 10-15 parts of lithium feldspar, 8-12 parts of potassium feldspar, 5-8 parts of pyrophyllite, 5-7 parts of talc, 10-15 parts of quartz sand, 3-4 parts of magnesium oxide, 5-7 parts of methyl cellulose, 2-3 parts of glycerin, and 1-2 parts of tung oil. The raw materials of the refractory aggregate include the following components in parts by weight: 10-12 parts of fused mullite and 15-17 parts of sintered plate-shaped corundum. The strip-shaped ceramic craft also includes a connecting rod, and the blank is provided with a hollow cavity inside. The middle of one end of the blank is provided with a hollow cavity. The cavity is closed and the other end is provided with an opening connected to the hollow cavity. The connecting rod is inserted into the hollow cavity of the blank from the opening, and the side wall of the blank is provided with a connecting hole. The end of the blank near the opening is provided with a hanging hole, and the connecting hole and the hanging hole are provided with a connecting piece for connecting the connecting rod and the blank. The strip-shaped ceramic craft also includes a decorative part blank, and the end face of the decorative part blank is provided with a socket compatible with the connecting rod, and the side wall of the decorative part blank is provided with a connecting hole connected to the socket, one end of the connecting rod is inserted into the socket of the decorative part blank, and the connecting hole of the decorative part blank is provided with a connecting piece for connecting the connecting rod and the decorative part blank.

2. The strip-shaped ceramic handicraft according to claim 1, characterized in that: The glaze includes gray crystalline glaze, khaki glaze and cheese glaze. The raw materials of the gray crystalline glaze include the following components in parts by weight: 40-45 parts of nepheline orthoclase, 20-30 parts of limestone, 10-12 parts of kaolin, 5-7 parts of ball clay, 10-12 parts of strontium carbonate, 5-8 parts of lithium carbonate, 8-10 parts of titanium dioxide, and 2-3 parts of bentonite. The raw materials of the khaki glaze include the following components in parts by weight: 40-50 parts of albite, 20-30 parts of kaolin, -25 parts, red iron oxide 12-15 parts, copper oxide 4-6 parts, silicon dioxide 15-18 parts, bone ash 8-12 parts, talc 7-9 parts, dolomite 7-10 parts, bentonite 2-4 parts, the raw materials of the cheese glaze, calculated by weight, include the following components: transparent filler 50-55 parts, albite 12-15 parts, borate 20-24 parts, silicon dioxide 10-12 parts, limestone 4-6 parts, dolomite 6-8 parts, zirconium silicate 6-8 parts.

3. The method for preparing a strip-shaped ceramic handicraft according to any one of claims 1 to 2, characterized in that: The steps include: Step a, forming: forming the decorative piece blank and the blank rod having a hollow structure; Step b, drying: the preform is passed through a metal rod and then hung in a dryer for drying. The metal rod is then removed, one end of the hollow cavity of the preform is sealed with clay, and the preform is placed in the dryer again for drying. Step c, bisque firing: vertically suspending the billet in a kiln for bisque firing; Step d, glazing: glazing the bisque-fired blank and the decorative piece blank; Step e, glaze firing: hanging the glazed blank rod and the decorative piece blank in a kiln for glaze firing; Step f, connecting: connecting the glaze fired blank rod and the decorative piece blank body through connecting rods and connecting pieces.

4. The method for preparing a strip-shaped ceramic handicraft according to claim 3, wherein: In step a, the blank is formed by vacuum extrusion and then cut to a fixed length, and then the connecting holes and hanging holes are processed. There are two hanging holes, and they are symmetrically positioned. After the decorative part blank is formed, the connecting holes and the jacks are processed.

5. The method for preparing the strip-shaped ceramic handicraft according to claim 3, wherein: In the step c, the blank rod and the decorative part blank are both fired by hanging hooks in the kiln, the blank rod is hung on the hook through the hanging hole, and the decorative part blank is hung on the hook through the connecting hole, and the blank rod remains in a vertical state under the action of gravity during the firing process; the kiln is provided with an overhead movable kiln car, and the hook includes a chain and a horizontal hook, the top of the chain is connected to the bottom of the kiln car, and the bottom is movably connected to the horizontal hook, the horizontal hook passes through the two hanging holes of the blank rod, and the blank rod remains in a vertical state under the action of its own weight; after biscuit firing, the surface of the blank rod is carved with patterns.

6. The method for preparing a strip-shaped ceramic handicraft according to claim 3, wherein: In the step d, when glazing the blank, gray crystalline glaze is sprayed from the closed end to the lower quarter of the blank, then the upper four-fifths of the open end of the blank is immersed in khaki glaze, and finally the lower half of the closed end of the blank is sprayed with cheese glaze. Before glazing, the opening, hanging firing hole and connecting hole of the blank are filled with paraffin wax, and the insertion hole and connecting hole of the decorative part blank are filled with paraffin wax.

7. The method for preparing a strip-shaped ceramic handicraft according to claim 6, characterized in that: In the step f, the connecting rod is inserted into the interior of the blank and the decorative part blank, and the connecting rod is marked at the positions of the first opening and the second opening with a marking pen, then taken out, holes are opened at corresponding positions of the connecting rod, and then the connecting rod is inserted into the interior of the blank and the decorative part blank again, and fixed by the connecting piece.

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