High-wear-resistance hot bending forming rock plate and preparation method thereof

Abstract

The invention discloses a high-wear-resistance hot bending forming rock plate which comprises the following raw materials in parts by weight: 30-35 parts of kaolin, 20-25 parts of selected ball clay, 10-15 parts of wollastonite, 10-15 parts of ultra-white sand, 8-14 parts of feldspar, 7-12 parts of pyroxene, 6-10 parts of talc, 5-8 parts of bentonite, 4-7 parts of tremolite, 3-5 parts of sodium tripolyphosphate and 4-7 parts of a modified additive. According to the high-wear-resistance hot bending forming rock plate, the kaolin, the selected balls and other raw materials are matched with the modified additive, mullite and cordierite in the modified additive are stirred and modified through the specific modification liquid, the silicon carbide whisker liquid in the modification liquid is matched with the hydroxyapatite agent to be compounded into the system, and through the synergistic effect of the raw materials, the wear resistance of the rock plate is improved. Therefore, the performance of the product is further improved, and the toughness performance, the fracture performance and the wear resistance of the product are harmoniously improved.

Description

Technical Field

[0001] The present invention relates to the technical field of rock slabs, and in particular to a highly wear-resistant hot-bent rock slab and a preparation method thereof. Background Art

[0002] Usually wash basins and dish basins are made of acrylic, but acrylic is a resin and cannot be made into one piece. It is not resistant to high temperatures, acids and alkalis, and cannot be made into customized patterns. If you use rock slabs as the basic material, it is easy to crack and become brittle during the secondary hot bending and cannot be formed.

[0003] The existing rock slabs have poor wear resistance, and the toughness and fracture properties are difficult to coordinate with the wear resistance, which limits the use efficiency of the product. Based on this, the present invention further improves it. Summary of the invention

[0004] In view of the defects of the prior art, the purpose of the present invention is to provide a highly wear-resistant hot-bent rock plate and a preparation method thereof to solve the problems raised in the above-mentioned background technology.

[0005] The present invention solves the technical problem by adopting the following technical solution: The present invention provides a highly wear-resistant hot-bending rock plate, comprising the following raw materials in parts by weight: 30-35 parts of kaolin, 20-25 parts of selected ball clay, 10-15 parts of wollastonite, 10-15 parts of super white sand, 8-14 parts of feldspar, 7-12 parts of pyroxene, 6-10 parts of talc, 5-8 parts of bentonite, 4-7 parts of tremolite, 3-5 parts of sodium tripolyphosphate, and 4-7 parts of modified additives.

[0006] Preferably, the kaolin contains aluminum>35%, whiteness>75 degrees, and strength>3mpa; selected ball clay: contains aluminum>35%, whiteness>75 degrees, and strength>3mpa; Wollastonite: calcium oxide>35%, loss on ignition<5%, whiteness>55 degrees; Super white sand: silica>75%, whiteness>75 degrees; Feldspar: total potassium + sodium content>8%, whiteness>60 degrees; Pyroxene: total calcium + magnesium > 45%, loss on ignition < 5%, whiteness > 60 degrees; Talc: magnesium oxide >33%, whiteness >75 degrees; bentonite: strength >7mpa, whiteness >55 degrees, alumina >17%; tremolite: total amount of calcium + magnesium >45%, loss on ignition <5%, whiteness >60 degrees.

[0007] Preferably, the modified additive is mullite and cordierite mixed in a weight ratio of 2:1 and added into a modification liquid which is 3-5 times the total amount of mullite, and stirred for modification. After stirring, the mixture is filtered and dried.

[0008] Preferably, the stirring modification is carried out at 450-550 r / min, 1-2 h, and a stirring temperature of 50-60°C.

[0009] Preferably, the preparation method of the modified liquid is: The silicon carbide whiskers are immersed in a sodium dodecylbenzene sulfonate solution which is 3-5 times the total amount of the silicon carbide whiskers, and then 10-15% of the total amount of the silicon carbide whiskers and 4-7% of the total amount of the silicon carbide whiskers are added with a silane coupling agent KH550 and a chitosan solution, and stirred evenly to obtain a silicon carbide whisker solution; 5-8 parts of silicon carbide whisker liquid and 2-4 parts of hydroxyapatite agent are mixed and ball-milled, and a modified liquid is obtained after the ball-milling is completed.

[0010] Preferably, the mass fraction of the sodium dodecylbenzene sulfonate solution is 2-5%; the mass fraction of the chitosan solution is 4-6%.

[0011] Preferably, the blending ball milling treatment is carried out at a ball milling speed of 1500 r / min and the ball milling is carried out for 2 hours.

[0012] Preferably, the preparation method of the hydroxyapatite agent is: The hydroxyapatite is immersed in a sufficient amount of sodium silicate solution and stirred sufficiently to obtain a hydroxyapatite liquid. 5-8 parts of the hydroxyapatite liquid, 2-4 parts of a phosphate buffer solution and 3-5 parts of boron nitride are mixed and stirred sufficiently, and then filtered and dried to obtain a hydroxyapatite agent.

[0013] Preferably, the pH value of the phosphate buffer solution is 5.5; and the mass fraction of the sodium silicate solution is 2-5%.

[0014] The present invention also provides a method for preparing a highly wear-resistant hot-bending rock plate, comprising the following steps: The raw materials are wet-ball milled, then formed in a mold and fired at a temperature of 1300°C for 2 hours to obtain a rock slab. The prepared rock slab is then placed on a high-temperature refractory plate and heated up and down in a hot bending furnace at 1300°C. It is then cooled, formed, holes are dug, edges are cut and ground to obtain a highly wear-resistant hot-bent rock slab.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The high wear-resistant hot-bent rock plate of the present invention adopts kaolin, selected balls and other raw materials in combination with modifying additives. The mullite and cordierite in the modifying additives are modified by stirring with a specific modifying liquid. The silicon carbide whisker liquid in the modifying liquid is coordinated with the hydroxyapatite agent to the system. Through the coordinated synergy between the raw materials, the performance of the product is further improved, and the toughness, fracture performance and wear resistance of the product are coordinated and improved. DETAILED DESCRIPTION

[0016] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] A highly wear-resistant hot-bent rock plate of this embodiment includes the following raw materials in parts by weight: 30-35 parts of kaolin, 20-25 parts of selected ball clay, 10-15 parts of wollastonite, 10-15 parts of super white sand, 8-14 parts of feldspar, 7-12 parts of pyroxene, 6-10 parts of talc, 5-8 parts of bentonite, 4-7 parts of tremolite, 3-5 parts of sodium tripolyphosphate, and 4-7 parts of modified additives.

[0018] Preferably, the kaolin contains aluminum>35%, whiteness>75 degrees, and strength>3mpa; selected ball clay: contains aluminum>35%, whiteness>75 degrees, and strength>3mpa; Wollastonite: calcium oxide>35%, loss on ignition<5%, whiteness>55 degrees; Super white sand: silica>75%, whiteness>75 degrees; Feldspar: total potassium + sodium content>8%, whiteness>60 degrees; Pyroxene: total calcium + magnesium content>45%, loss on ignition<5%, whiteness>60 degrees; Talc: magnesium oxide >33%, whiteness >75 degrees; bentonite: strength >7mpa, whiteness >55 degrees, alumina >17%; tremolite: total amount of calcium + magnesium >45%, loss on ignition <5%, whiteness >60 degrees.

[0019] The modified additives of this embodiment are mullite and cordierite, which are mixed in a weight ratio of 2:1 and added into a modification liquid which is 3-5 times the total amount of mullite, and stirred for modification. After stirring, the mixture is filtered and dried.

[0020] The stirring modification of this embodiment is carried out at 450-550 r / min, 1-2 h, and a stirring temperature of 50-60°C.

[0021] The preparation method of the modified liquid of this embodiment is: The silicon carbide whiskers are immersed in a sodium dodecylbenzene sulfonate solution which is 3-5 times the total amount of the silicon carbide whiskers, and then 10-15% of the total amount of the silicon carbide whiskers and 4-7% of the total amount of the silicon carbide whiskers are added with a silane coupling agent KH550 and a chitosan solution, and stirred evenly to obtain a silicon carbide whisker solution; 5-8 parts of silicon carbide whisker liquid and 2-4 parts of hydroxyapatite agent are mixed and ball-milled, and a modified liquid is obtained after the ball-milling is completed.

[0022] The mass fraction of the sodium dodecylbenzene sulfonate solution in this embodiment is 2-5%; the mass fraction of the chitosan solution is 4-6%.

[0023] The ball milling speed of the blended ball milling treatment in this embodiment is 1500r / min, and the ball milling is performed for 2h.

[0024] The preparation method of the hydroxyapatite agent of this embodiment is: The hydroxyapatite is immersed in a sufficient amount of sodium silicate solution and stirred sufficiently to obtain a hydroxyapatite liquid. 5-8 parts of the hydroxyapatite liquid, 2-4 parts of a phosphate buffer solution and 3-5 parts of boron nitride are mixed and stirred sufficiently, and then filtered and dried to obtain a hydroxyapatite agent.

[0025] The pH value of the phosphate buffer solution in this embodiment is 5.5; the mass fraction of the sodium silicate solution is 2-5%.

[0026] A method for preparing a highly wear-resistant hot-bent rock plate in this embodiment includes the following steps: The raw materials are wet-ball milled, then formed in a mold and fired at a temperature of 1300°C for 2 hours to obtain a rock slab. The prepared rock slab is then placed on a high-temperature refractory plate and heated up and down in a hot bending furnace at 1300°C. It is then cooled, formed, holes are dug, edges are cut and ground to obtain a highly wear-resistant hot-bent rock slab.

[0027] Example 1. A highly wear-resistant hot-bent rock plate of this embodiment includes the following raw materials in parts by weight: 30 parts of kaolin, 20 parts of selected ball clay, 10 parts of wollastonite, 10 parts of super white sand, 8 parts of feldspar, 7 parts of pyroxene, 6 parts of talc, 5 parts of bentonite, 4 parts of tremolite, 3 parts of sodium tripolyphosphate, and 4 parts of modified additives.

[0028] Kaolin contains aluminum > 35%, whiteness > 75 degrees, strength > 3mpa; Selected ball clay: contains aluminum > 35%, whiteness > 75 degrees, strength > 3mpa; Wollastonite: calcium oxide>35%, loss on ignition<5%, whiteness>55 degrees; Super white sand: silica>75%, whiteness>75 degrees; Feldspar: total potassium + sodium content>8%, whiteness>60 degrees; Pyroxene: total calcium + magnesium > 45%, loss on ignition < 5%, whiteness > 60 degrees; Talc: magnesium oxide >33%, whiteness >75 degrees; bentonite: strength >7mpa, whiteness >55 degrees, alumina >17%; tremolite: total amount of calcium + magnesium >45%, loss on ignition <5%, whiteness >60 degrees.

[0029] The modified additive of this embodiment is mullite and cordierite, which are mixed in a weight ratio of 2:1 and added into a modification liquid which is 3 times the total amount of mullite, and stirred for modification. After stirring, the mixture is filtered and dried.

[0030] The stirring modification in this example was carried out at 450 r / min, stirring for 1 h, and the stirring temperature was 50°C.

[0031] The preparation method of the modified liquid of this embodiment is: The silicon carbide whiskers are immersed in a sodium dodecylbenzene sulfonate solution of 3 times the total amount of the silicon carbide whiskers, and then 10% of the total amount of the silicon carbide whiskers and 4% of the total amount of the silicon carbide whiskers are added with a silane coupling agent KH550 and a chitosan solution, and the mixture is stirred evenly to obtain a silicon carbide whisker solution; 5 parts of silicon carbide whisker liquid and 2 parts of hydroxyapatite agent are mixed and ball-milled, and after the ball-milling is completed, a modified liquid is obtained.

[0032] The mass fraction of the sodium dodecylbenzene sulfonate solution in this embodiment is 2%; the mass fraction of the chitosan solution is 4%.

[0033] The ball milling speed of the blended ball milling treatment in this embodiment is 1500 r / min, and the ball milling is performed for 2 h.

[0034] The preparation method of the hydroxyapatite agent of this embodiment is: The hydroxyapatite is immersed in a sufficient amount of sodium silicate solution and stirred sufficiently to obtain a hydroxyapatite liquid. Five parts of the hydroxyapatite liquid, two parts of a phosphate buffer solution and three parts of boron nitride are mixed and stirred sufficiently, and then filtered and dried to obtain a hydroxyapatite agent.

[0035] The pH value of the phosphate buffer solution in this embodiment is 5.5; the mass fraction of the sodium silicate solution is 2%.

[0036] A method for preparing a highly wear-resistant hot-bent rock plate in this embodiment includes the following steps: The raw materials are wet-ball milled, then formed in a mold and fired at a temperature of 1300°C for 2 hours to obtain a rock slab. The prepared rock slab is then placed on a high-temperature refractory plate and heated up and down in a hot bending furnace at 1300°C. It is then cooled, formed, holes are dug, edges are cut and ground to obtain a highly wear-resistant hot-bent rock slab.

[0037] Example 2. A highly wear-resistant hot-bent rock plate of this embodiment includes the following raw materials in parts by weight: 35 parts of kaolin, 5 parts of selected ball clay, 15 parts of wollastonite, 15 parts of super white sand, 14 parts of feldspar, 12 parts of pyroxene, 10 parts of talc, 8 parts of bentonite, 7 parts of tremolite, 5 parts of sodium tripolyphosphate, and 7 parts of modified additives.

[0038] Kaolin contains aluminum > 35%, whiteness > 75 degrees, strength > 3mpa; Selected ball clay: contains aluminum > 35%, whiteness > 75 degrees, strength > 3mpa; Wollastonite: calcium oxide>35%, loss on ignition<5%, whiteness>55 degrees; Super white sand: silica>75%, whiteness>75 degrees; Feldspar: total potassium + sodium content>8%, whiteness>60 degrees; Pyroxene: total calcium + magnesium content>45%, loss on ignition<5%, whiteness>60 degrees; Talc: magnesium oxide >33%, whiteness >75 degrees; bentonite: strength >7mpa, whiteness >55 degrees, alumina >17%; tremolite: total amount of calcium + magnesium >45%, loss on ignition <5%, whiteness >60 degrees.

[0039] The modified additive of this embodiment is mullite and cordierite, which are mixed in a weight ratio of 2:1 and added into a modification liquid which is 5 times the total amount of mullite, and stirred for modification. After stirring, the mixture is filtered and dried.

[0040] The stirring modification in this example was carried out at 550 r / min, stirring for 2 h, and stirring temperature of 60°C.

[0041] The preparation method of the modified liquid of this embodiment is: The silicon carbide whiskers are immersed in a sodium dodecylbenzene sulfonate solution of 5 times the total amount of the silicon carbide whiskers, and then 15% of the total amount of the silicon carbide whiskers and 7% of the total amount of the silicon carbide whiskers are added with a silane coupling agent KH550 and a chitosan solution, and the mixture is stirred evenly to obtain a silicon carbide whisker solution; 8 parts of silicon carbide whisker liquid and 4 parts of hydroxyapatite agent are mixed and ball-milled, and after the ball-milling is completed, a modified liquid is obtained.

[0042] The mass fraction of the sodium dodecylbenzene sulfonate solution in this embodiment is 5%; the mass fraction of the chitosan solution is 6%.

[0043] The ball milling speed of the blended ball milling treatment in this embodiment is 1500 r / min, and the ball milling is performed for 2 h.

[0044] The preparation method of the hydroxyapatite agent of this embodiment is: The hydroxyapatite is immersed in a sufficient amount of sodium silicate solution and stirred sufficiently to obtain a hydroxyapatite liquid. 8 parts of the hydroxyapatite liquid, 4 parts of a phosphate buffer solution and 5 parts of boron nitride are mixed and stirred sufficiently, and then filtered and dried to obtain a hydroxyapatite agent.

[0045] The pH value of the phosphate buffer solution in this embodiment is 5.5; the mass fraction of the sodium silicate solution is 5%.

[0046] A method for preparing a highly wear-resistant hot-bent rock plate in this embodiment includes the following steps: The raw materials are wet-ball milled, then formed in a mold and fired at a temperature of 1300°C for 2 hours to obtain a rock slab. The prepared rock slab is then placed on a high-temperature refractory plate and heated up and down in a hot bending furnace at 1300°C. It is then cooled, formed, holes are dug, edges are cut and ground to obtain a highly wear-resistant hot-bent rock slab.

[0047] Example 3. A highly wear-resistant hot-bent rock plate of this embodiment includes the following raw materials in parts by weight: 32.5 parts of kaolin, 22.5 parts of selected ball clay, 12.5 parts of wollastonite, 12.5 parts of super white sand, 11 parts of feldspar, 8 parts of pyroxene, 8 parts of talc, 6.5 parts of bentonite, 5.5 parts of tremolite, 3-5 parts of sodium tripolyphosphate, and 4-7 parts of modified additives.

[0048] Preferably, the kaolin contains aluminum>35%, whiteness>75 degrees, and strength>3mpa; selected ball clay: contains aluminum>35%, whiteness>75 degrees, and strength>3mpa; Wollastonite: calcium oxide>35%, loss on ignition<5%, whiteness>55 degrees; Super white sand: silica>75%, whiteness>75 degrees; Feldspar: total potassium + sodium content>8%, whiteness>60 degrees; Pyroxene: total calcium + magnesium content>45%, loss on ignition<5%, whiteness>60 degrees; Talc: magnesium oxide >33%, whiteness >75 degrees; bentonite: strength >7mpa, whiteness >55 degrees, alumina >17%; tremolite: total amount of calcium + magnesium >45%, loss on ignition <5%, whiteness >60 degrees.

[0049] The modified additives of this embodiment are mullite and cordierite, which are mixed in a weight ratio of 2:1 and added into a modification liquid which is 4 times the total amount of mullite, and stirred for modification. After stirring, the mixture is filtered and dried.

[0050] The stirring modification in this example was carried out at 500 r / min, 1.5 h, and a stirring temperature of 55°C.

[0051] The preparation method of the modified liquid of this embodiment is: The silicon carbide whiskers are immersed in a sodium dodecylbenzene sulfonate solution of 4 times the total amount of the silicon carbide whiskers, and then 12.5% ​​of the total amount of the silicon carbide whiskers and 5.5% of the total amount of the silicon carbide whiskers are added with a silane coupling agent KH550 and a chitosan solution, and the mixture is stirred evenly to obtain a silicon carbide whisker solution; 6.5 parts of silicon carbide whisker liquid and 3 parts of hydroxyapatite agent were mixed and ball-milled, and a modified liquid was obtained after the ball-milling was completed.

[0052] The mass fraction of the sodium dodecylbenzene sulfonate solution in this embodiment is 3.5%; the mass fraction of the chitosan solution is 5%.

[0053] The ball milling speed of the blended ball milling treatment in this embodiment is 1500 r / min, and the ball milling is performed for 2 h.

[0054] The preparation method of the hydroxyapatite agent of this embodiment is: The hydroxyapatite is immersed in a sufficient amount of sodium silicate solution and stirred sufficiently to obtain a hydroxyapatite liquid. 6.5 parts of the hydroxyapatite liquid, 3 parts of a phosphate buffer solution and 4 parts of boron nitride are mixed and stirred sufficiently, and then filtered and dried to obtain a hydroxyapatite agent.

[0055] The pH value of the phosphate buffer solution in this embodiment is 5.5; the mass fraction of the sodium silicate solution is 3.5%.

[0056] A method for preparing a highly wear-resistant hot-bent rock plate in this embodiment includes the following steps: The raw materials are wet-ball milled, then formed in a mold and fired at a temperature of 1300°C for 2 hours to obtain a rock slab. The prepared rock slab is then placed on a high-temperature refractory plate and heated up and down in a hot bending furnace at 1300°C. It is then cooled, formed, holes are dug, edges are cut and ground to obtain a highly wear-resistant hot-bent rock slab.

[0057] Comparative Example 1. The difference from Example 3 is that no modifying additive is added.

[0058] Comparative Example 2. The difference from Example 3 is that no modifying liquid is added in the preparation of the modifying additive.

[0059] Comparative Example 3. The difference from Example 3 is that no hydroxyapatite agent is added to the modified liquid.

[0060] Comparative Example 4. The difference from Example 3 is that the hydroxyapatite agent is replaced by hydroxyapatite.

[0061] Comparative Example 5. The difference from Example 3 is that no silicon carbide whisker liquid is added to the modified liquid.

[0062] In order to compare and illustrate the performance of different products, the following properties of the products obtained in the embodiments and comparative examples were tested, and the test results are as follows.

[0063] The product performance tests of Examples 1-3 and Comparative Examples 1-5 are as follows:

[0064] It can be seen from Comparative Examples 1-5 and Example 3 that the product of Example 3 has excellent impact toughness, wear resistance and fracture toughness, and the product performance can be improved in a coordinated manner. At the same time, without adding a modifying additive, the performance of the product deteriorates significantly. In addition, when no modifying liquid is added in the preparation of the modifying additive, no hydroxyapatite agent is added to the modifying liquid, the hydroxyapatite agent is replaced by hydroxyapatite, and silicon carbide whisker liquid is not added to the modifying liquid, the performance of the product tends to deteriorate to varying degrees. Only when the product raw material is obtained by the specific method of the present invention, the product performance effect is most significant.

[0065] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

[0066] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A highly wear-resistant hot-bending rock plate, characterized in that: It includes the following raw materials in parts by weight: 30-35 parts of kaolin, 20-25 parts of selected ball clay, 10-15 parts of wollastonite, 10-15 parts of super white sand, 8-14 parts of feldspar, 7-12 parts of pyroxene, 6-10 parts of talc, 5-8 parts of bentonite, 4-7 parts of tremolite, 3-5 parts of sodium tripolyphosphate, and 4-7 parts of modified additives.

2. According to claim 1, a highly wear-resistant hot-bent rock plate is characterized in that: The kaolin contains aluminum>35%, whiteness>75 degrees, and strength>3mpa; the selected ball clay contains aluminum>35%, whiteness>75 degrees, and strength>3mpa; Wollastonite: calcium oxide>35%, loss on ignition<5%, whiteness>55 degrees; Super white sand: silica>75%, whiteness>75 degrees; Feldspar: total potassium + sodium content>8%, whiteness>60 degrees; Pyroxene: total calcium + magnesium > 45%, loss on ignition < 5%, whiteness > 60 degrees; Talc: magnesium oxide >33%, whiteness >75 degrees; bentonite: strength >7mpa, whiteness >55 degrees, alumina >17%; tremolite: total amount of calcium + magnesium >45%, loss on ignition <5%, whiteness >60 degrees.

3. According to claim 1, a highly wear-resistant hot-bent rock plate is characterized in that: The modified additive is prepared by mixing mullite and cordierite in a weight ratio of 2:1 and adding the mixture into a modification liquid which is 3-5 times the total amount of mullite, stirring and modifying the mixture. After stirring, the mixture is filtered and dried.

4. A highly wear-resistant hot-bent rock plate according to claim 3, characterized in that: The stirring modification is carried out at 450-550 r / min, 1-2 h, and a stirring temperature of 50-60°C.

5. A highly wear-resistant hot-bent rock plate according to claim 4, characterized in that: The preparation method of the modified liquid is: The silicon carbide whiskers are immersed in a sodium dodecylbenzene sulfonate solution which is 3-5 times the total amount of the silicon carbide whiskers, and then 10-15% of the total amount of the silicon carbide whiskers and 4-7% of the total amount of the silicon carbide whiskers are added with a silane coupling agent KH550 and a chitosan solution, and stirred evenly to obtain a silicon carbide whisker solution; 5-8 parts of silicon carbide whisker liquid and 2-4 parts of hydroxyapatite agent are mixed and ball-milled, and a modified liquid is obtained after the ball-milling is completed.

6. A highly wear-resistant hot-bent rock plate according to claim 5, characterized in that: The mass fraction of the sodium dodecylbenzene sulfonate solution is 2-5%; the mass fraction of the chitosan solution is 4-6%.

7. A highly wear-resistant hot-bent rock plate according to claim 5, characterized in that: The blending process was performed at a ball milling speed of 1500 r / min and the ball milling time was 2 h.

8. The highly wear-resistant hot-bent rock plate according to claim 5, characterized in that: The preparation method of the hydroxyapatite agent is: The hydroxyapatite is immersed in a sufficient amount of sodium silicate solution and stirred sufficiently to obtain a hydroxyapatite liquid. 5-8 parts of the hydroxyapatite liquid, 2-4 parts of a phosphate buffer solution and 3-5 parts of boron nitride are mixed and stirred sufficiently, and then filtered and dried to obtain a hydroxyapatite agent.

9. A highly wear-resistant hot-bending rock plate according to claim 8, characterized in that: The pH value of the phosphate buffer solution is 5.5; the mass fraction of the sodium silicate solution is 2-5%.

10. A method for preparing a highly wear-resistant hot-bent rock plate as claimed in claim 1, characterized in that: The following steps are involved: The raw materials are wet-ball milled, then formed in a mold and fired at a temperature of 1300°C for 2 hours to obtain a rock slab. The prepared rock slab is then placed on a high-temperature refractory plate and heated up and down in a hot bending furnace at 1300°C. It is then cooled, formed, holes are dug, edges are cut and ground to obtain a highly wear-resistant hot-bent rock slab.

Images