CN115849921A - Novel high-titanium blast furnace slag tank anti-sticking spray coating - Google Patents
Novel high-titanium blast furnace slag tank anti-sticking spray coating Download PDFInfo
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- CN115849921A CN115849921A CN202211524545.3A CN202211524545A CN115849921A CN 115849921 A CN115849921 A CN 115849921A CN 202211524545 A CN202211524545 A CN 202211524545A CN 115849921 A CN115849921 A CN 115849921A
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Abstract
The invention discloses a novel high-titanium blast furnace slag tank anti-sticking spray coating which comprises the following raw materials in parts by mass: 60 to 70 parts of desulfurized gypsum, 10 to 13 parts of bauxite particle material, 8 to 10 parts of bauxite powder, 1.5 to 2.5 parts of metal silicon powder, 0.5 to 3 parts of zirconia, 2 to 5 parts of silicon carbide, 3 to 5 parts of organic cellulose, 0.3 to 0.5 part of sodium hexametaphosphate and water accounting for 50 to 70 percent of the total weight of the raw materials. The invention provides a novel anti-sticking spray coating for a high-titanium blast furnace slag tank, which takes solid waste resource desulfurized gypsum generated in an iron-making desulfurization procedure as a main raw material, has good anti-sticking effect and excellent comprehensive performance, is economic and environment-friendly, improves the production efficiency, and reduces the equipment maintenance cost and the safety production risk.
Description
Technical Field
The invention relates to the technical field of slag-sticking-preventing spray paint for steel-making slag tanks, in particular to novel high-titanium blast furnace slag tank sticking-preventing spray paint.
Background
The high titanium blast furnace slag processing mode is to transport the slag to the designated area, utilize the motor drive slag pot on the slag pot car to incline and turn over the blast furnace slag in the slag pot, because the chemical composition in the blast furnace slag contains higher TiO2, the stickness is high, mobility is poor under the molten state, it is extremely easy to be hung on inner wall and tank bottoms, it is difficult to turn over the blast furnace slag in the slag pot clean at one time, must hit the slag pot tank bottoms with the help of exogenic action and just can force the blast furnace slag in the slag pot to drop completely, the mode of certain domestic iron and steel works processing high titanium blast furnace slag is to hang a 3 ton heavy swager with the rail crane, hit the slag pot bottom with the collision, utilize exogenic action to clear away the residue in the slag pot, because the collision, the slag pot is very easy to take place to break or warp, once the slag pot breaks and warp, not only need manual handling, and very easy to take place the accident, long-time operation still can cause the railway crane damage, repair crane cost is high, influence production, in addition, in need newly purchase the slag pot, lead to its manufacturing cost increase every year.
The existing slag adhesion preventing coating is active lime, the slag adhesion preventing effect is not ideal, slag in a slag tank is difficult to remove, 30-40% of slag adhesion exists in the slag tank, and the efficiency is low.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a novel high-titanium blast furnace slag tank anti-sticking spray coating, which aims to solve the problems that the slag-sticking effect of an anti-sticking slag coating is not ideal and slag in a slag tank is difficult to remove in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the novel high-titanium blast furnace slag tank anti-sticking spray coating comprises the following raw materials in parts by mass: 60 to 70 parts of desulfurized gypsum, 10 to 13 parts of bauxite particle material, 8 to 10 parts of bauxite powder, 1.5 to 2.5 parts of metal silicon powder, 0.5 to 3 parts of zirconia, 2 to 5 parts of silicon carbide, 3 to 5 parts of organic cellulose, 0.3 to 0.5 part of sodium hexametaphosphate and water accounting for 50 to 70 percent of the total weight of the raw materials.
In one possible design, the bauxite grain material with the grain size of 0-1 mm, the bauxite powder with the grain size of 325 meshes, the metal silicon powder with the grain size of 180 meshes, the zirconia with the grain size of 325 meshes and the silicon carbide with the grain size of 180 meshes are adopted.
In one possible design, the bauxite powder contains more than or equal to 80 percent of Al2O3, less than or equal to 3 percent of Fe2O3, less than or equal to 0.6 percent of CaO and more than or equal to 1790 ℃ in percentage by weight.
In one possible design, the preparation method of the zirconia comprises the following steps: recrystallizing zirconium oxychloride with hydrochloric acid or methanol, and calcining at high temperature to obtain the final product.
In one possible design, the silicon carbide contains more than or equal to 70% by weight of SiC.
In one possible design, the desulfurized gypsum is 200 mesh in size.
In one possible design, the raw materials comprise the following components in parts by mass: 70 parts of desulfurized gypsum, 13 parts of bauxite granular materials, 10 parts of bauxite powder, 2.5 parts of metal silicon powder, 3 parts of zirconium oxide, 5 parts of silicon carbide, 5 parts of organic cellulose, 0.5 part of sodium hexametaphosphate and water accounting for 70 percent of the total weight of the raw materials.
In one possible design, the raw materials comprise the following components in parts by mass: 60 parts of desulfurized gypsum, 10 parts of bauxite granular materials, 8 parts of bauxite powder, 1.5 parts of metal silicon powder, 0.5 part of zirconium oxide, 2 parts of silicon carbide, 3 parts of organic cellulose, 0.3 part of sodium hexametaphosphate and water accounting for 50 percent of the total weight of the raw materials.
In one possible design, the feedstock comprises the following components: 65 parts of desulfurized gypsum, 11 parts of bauxite particle materials, 9 parts of bauxite powder materials, 2 parts of metal silicon powder, 2 parts of zirconium oxide, 3 parts of silicon carbide, 4 parts of organic cellulose, 0.4 part of sodium hexametaphosphate and water accounting for 60 percent of the total weight of the raw materials.
In one possible design, the raw materials comprise the following components in parts by mass: 62 parts of desulfurized gypsum, 12 parts of bauxite particle materials, 10 parts of bauxite powder materials, 2,5 parts of metal silicon powder, 3 parts of zirconia, 2 parts of silicon carbide, 3 parts of organic cellulose, 0.3 part of sodium hexametaphosphate and water accounting for 55 percent of the total weight of the raw materials.
The invention has the following beneficial effects:
the desulfurized gypsum is selected as the main raw material to play a role in retarding in the spray coating, and the desulfurized gypsum belongs to solid waste recycling, so that the environment is protected, and the production cost can be saved; the bauxite particle material and the bauxite powder material are selected to improve the high temperature resistance and the thermal shock resistance of the slag-sticking-preventing spray coating, are refractory or anticorrosive materials widely used in the metallurgical industry and other industries, have very obvious refractory effect and have performance superior to that of common clay; the metal silicon powder is selected to improve the oxidation resistance of the slag-sticking-preventing spray coating; the zirconia is selected to improve the heat-insulating property of the anti-sticking spray coating; the silicon carbide is selected to further improve the slag corrosion resistance of the slag-sticking-resistant spray coating; the organic cellulose is selected to improve the adhesive force of the spray paint, and the sodium hexametaphosphate is selected to improve the viscosity and the dispersibility of the anti-sticking slag spray paint and prevent precipitation. The organic cellulose and the sodium hexametaphosphate are used together, so that the binding force of the spray paint can be improved, the coating of the spray paint is firmer, and the cracking resistance of the coating under the high-temperature condition is strong.
The invention can obviously improve the deslagging efficiency of the deslagging process of the slag pot in the slag turning operation, reduce the operation times of auxiliary equipment, reduce the loss rate of the equipment and the slag pot, prolong the service life of production equipment, facilitate the arrangement and execution of a production plan, reduce the production cost expenditure and reduce the risk of safety accidents. And meanwhile, the desulfurized gypsum belongs to solid waste, can be used as a main raw material in the novel high-titanium blast furnace slag tank anti-sticking spray coating, and belongs to waste resource recycling, so that the novel high-titanium blast furnace slag tank anti-sticking spray coating provided by the invention is an environment-friendly high-quality novel anti-sticking material, and is popularized and applied in a high-titanium blast furnace slag treatment process.
The invention provides a novel anti-sticking spray coating for a high-titanium blast furnace slag tank, which takes solid waste resource desulfurized gypsum generated in an iron-making and desulfurizing process as a main raw material, has good anti-sticking effect and excellent comprehensive performance, is economical and environment-friendly, improves the production efficiency, and reduces the equipment maintenance cost and the safety production risk.
The invention provides a novel high-titanium blast furnace slag tank anti-sticking spray coating, which is prepared by taking desulfurized gypsum and bauxite recovered from iron-making desulfurization as main raw materials, adding a certain amount of water for stirring and mixing, uniformly spraying the mixture on the inner wall of a slag tank, isolating the adhesion of slag and the slag tank, improving the slag removal efficiency of the slag tank in slag turning operation, reducing the operation times of equipment for providing external force and the times of striking the slag tank by the external force, reducing the loss of production equipment and the production cost, and improving the production efficiency. The manufacturing method of the spray coating prepared by the method is simple and easy to operate, the blast furnace slag adhesion preventing spray coating provided by the invention has good adhesion preventing effect and excellent comprehensive performance, and the main raw material is desulfurized gypsum generated in an iron-making and desulfurizing process, belongs to solid waste resources, is economical and environment-friendly, and has wide application prospect in a high-titanium blast furnace slag pot deslagging process.
Detailed Description
Example 1:
the novel high-titanium blast furnace slag tank anti-sticking spray coating comprises the following raw materials in parts by mass: 70 parts of desulfurized gypsum, 13 parts of bauxite granular materials, 10 parts of bauxite powder, 2.5 parts of metal silicon powder, 3 parts of zirconium oxide, 5 parts of silicon carbide, 5 parts of organic cellulose, 0.5 part of sodium hexametaphosphate and water accounting for 70 percent of the total weight of the raw materials.
In this example, 1 part was 1 kg.
The main raw material component parameters are as follows:
bauxite particles of Al by weight 2 O 3 The content is more than or equal to 80 percent, the content of CaO is less than or equal to 0.6 percent, and Fe 2 O 3 The content is less than or equal to 1.4 percent, and the volume density is 3.6g/cm 3 . Wherein the bauxite particle material is prepared from natural bauxite ore through high-temperature calcination, crushing and screening.
The bauxite powder contains Al by weight 2 O 3 The content is more than or equal to 80 percent and Fe 2 O 3 The content is less than or equal to 3 percent, the CaO content is less than or equal to 0.6 percent, the refractoriness is more than or equal to 1790 ℃, and the volume density is more than or equal to 3.0g/cm 3 Wherein the bauxite powder is prepared from natural bauxite ore through high-temperature calcination, crushing and screening.
Zirconium oxide prepared by reacting ZrCl 2 O·8H 2 Recrystallizing O (zirconium oxychloride) with hydrochloric acid or methanol, and calcining at high temperature to obtain the final product.
The SiC content of the silicon carbide is more than or equal to 70 percent by weight, and the granularity of the silicon carbide is 180 meshes respectively.
3 to 5 percent of organic cellulose, and natural plants are used as raw materials and are extracted by certain process treatment.
The technical indexes of the sodium hexametaphosphate and the bentonite are executed according to national standards. (sodium hexametaphosphate technical standard execution national standard HG/2519-1993, the main mineral component of bentonite is montmorillonite, the content is 85-90%).
According to the novel high-titanium blast furnace slag tank anti-sticking spray coating provided by the invention, the operation striking frequency of a rail crane in operation is obviously reduced, and the deslagging efficiency is obviously improved.
Example 2:
the only difference from example 1 is: the raw materials comprise the following components in parts by mass: 60 parts of desulfurized gypsum, 10 parts of bauxite particle materials, 8 parts of bauxite powder materials, 1.5 parts of metal silicon powder, 0.5 part of zirconium oxide, 2 parts of silicon carbide, 3 parts of organic cellulose, 0.3 part of sodium hexametaphosphate and water accounting for 50 percent of the total weight of the raw materials.
In this example, 1 part was 1 kg.
Example 3:
the only difference from example 1 is: the raw materials comprise the following components: 65 parts of desulfurized gypsum, 11 parts of bauxite granular materials, 9 parts of bauxite powder, 2 parts of metal silicon powder, 2 parts of zirconium oxide, 3 parts of silicon carbide, 4 parts of organic cellulose, 0.4 part of sodium hexametaphosphate and water accounting for 60 percent of the total weight of the raw materials.
In this example, 1 part was 1 kg.
Example 4:
the only difference from example 1 is: the raw materials comprise the following components in parts by mass: 62 parts of desulfurized gypsum, 12 parts of bauxite granular materials, 10 parts of bauxite powder, 2,5 parts of metal silicon powder, 3 parts of zirconia, 2 parts of silicon carbide, 3 parts of organic cellulose, 0.3 part of sodium hexametaphosphate and water accounting for 55 percent of the total weight of the raw materials.
In this example, 1 part was 1 kg.
Control test:
comparing the coatings prepared in examples 1-4 with the prior art using the conventional anti-sticking spray coating of activated lime, the specific slag removal statistics are given in the following table:
according to the technical background and the embodiment content of the invention, the following steps can be obtained: the novel high-titanium blast furnace slag tank slag-sticking-prevention spray coating provided by the invention can obviously improve the slag-removing efficiency of the slag tank slag-removing process in the slag-turning operation, reduce the operation times of auxiliary equipment, reduce the loss rate of the equipment and the slag tank, prolong the service life of production equipment, facilitate the arrangement and execution of a production plan, reduce the production cost expenditure and reduce the risk of safety accidents. And meanwhile, the desulfurized gypsum belongs to solid waste, can be used as a main raw material in the novel high-titanium blast furnace slag tank anti-sticking spray coating, and belongs to waste resource recycling, so that the novel high-titanium blast furnace slag tank anti-sticking spray coating provided by the invention is an environment-friendly high-quality novel anti-sticking material, and is popularized and applied in a high-titanium blast furnace slag treatment process.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The novel high-titanium blast furnace slag pot anti-sticking spray coating is characterized by comprising the following raw materials in parts by mass: 60 to 70 parts of desulfurized gypsum, 10 to 13 parts of bauxite particle material, 8 to 10 parts of bauxite powder, 1.5 to 2.5 parts of metal silicon powder, 0.5 to 3 parts of zirconia, 2 to 5 parts of silicon carbide, 3 to 5 parts of organic cellulose, 0.3 to 0.5 part of sodium hexametaphosphate and water accounting for 50 to 70 percent of the total weight of the raw materials.
2. The novel high titanium blast furnace slag pot anti-sticking spray coating as claimed in claim 1, wherein the bauxite granular material with the granularity of 0-1 mm, the bauxite powder with the granularity of 325 meshes, the metal silicon powder with the granularity of 180 meshes, the zirconia with the granularity of 325 meshes and the silicon carbide with the granularity of 180 meshes.
3. The novel high titanium blast furnace slag pot anti-sticking spray coating as claimed in claim 1, wherein the bauxite powder contains Al by weight 2 O 3 The content of Fe is more than or equal to 80 percent 2 O 3 The content is less than or equal to 3 percent, the CaO content is less than or equal to 0.6 percent, and the refractoriness is more than or equal to 1790 ℃.
4. The novel high-titanium blast furnace slag pot anti-sticking spray coating as claimed in claim 1, wherein the preparation method of the zirconia comprises: recrystallizing zirconium oxychloride with hydrochloric acid or methanol, and calcining at high temperature to obtain the final product.
5. The novel high-titanium blast furnace slag pot anti-sticking spray coating as claimed in claim 1, wherein the silicon carbide contains SiC by weight of more than or equal to 70%.
6. The novel high-titanium blast furnace slag pot anti-sticking spray coating as claimed in claim 1, wherein the particle size of the desulfurized gypsum is 200 meshes.
7. The novel high-titanium blast furnace slag pot anti-sticking spray coating as claimed in any one of claims 1-6, characterized in that the raw materials comprise the following components in parts by mass: 70 parts of desulfurized gypsum, 13 parts of bauxite granular materials, 10 parts of bauxite powder, 2.5 parts of metal silicon powder, 3 parts of zirconium oxide, 5 parts of silicon carbide, 5 parts of organic cellulose, 0.5 part of sodium hexametaphosphate and water accounting for 70 percent of the total weight of the raw materials.
8. The novel high titanium blast furnace slag pot anti-sticking spray coating as claimed in any one of claims 1-6, characterized in that the raw materials comprise the following components in parts by mass: 60 parts of desulfurized gypsum, 10 parts of bauxite granular materials, 8 parts of bauxite powder, 1.5 parts of metal silicon powder, 0.5 part of zirconium oxide, 2 parts of silicon carbide, 3 parts of organic cellulose, 0.3 part of sodium hexametaphosphate and water accounting for 50 percent of the total weight of the raw materials.
9. The novel high titanium blast furnace slag pot anti-sticking spray coating as claimed in any one of claims 1-6, characterized in that the raw materials comprise the following components: 65 parts of desulfurized gypsum, 11 parts of bauxite granular materials, 9 parts of bauxite powder, 2 parts of metal silicon powder, 2 parts of zirconium oxide, 3 parts of silicon carbide, 4 parts of organic cellulose, 0.4 part of sodium hexametaphosphate and water accounting for 60 percent of the total weight of the raw materials.
10. The novel high-titanium blast furnace slag pot anti-sticking spray coating as claimed in any one of claims 1-6, characterized in that the raw materials comprise the following components in parts by mass: 62 parts of desulfurized gypsum, 12 parts of bauxite granular materials, 10 parts of bauxite powder, 2,5 parts of metal silicon powder, 3 parts of zirconia, 2 parts of silicon carbide, 3 parts of organic cellulose, 0.3 part of sodium hexametaphosphate and water accounting for 55 percent of the total weight of the raw materials.
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| CN202211524545.3A CN115849921A (en) | 2022-11-29 | 2022-11-29 | Novel high-titanium blast furnace slag tank anti-sticking spray coating |
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| CN202211524545.3A CN115849921A (en) | 2022-11-29 | 2022-11-29 | Novel high-titanium blast furnace slag tank anti-sticking spray coating |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105367030A (en) * | 2015-11-06 | 2016-03-02 | 江苏尼高科技有限公司 | Desulfurized-gypsum-base lightweight spraying gypsum mortar |
| CN107235733A (en) * | 2017-05-27 | 2017-10-10 | 巩义市金利炉料厂 | A kind of slag adhesion spray paint |
| CN110305516A (en) * | 2019-08-12 | 2019-10-08 | 中山爱因新材料有限公司 | A kind of interior wall desulfurized gypsum putty |
| US20190316844A1 (en) * | 2016-12-08 | 2019-10-17 | S. A. Lhoist Recherche Et Developpement | Method for Handling a Slag Pot or Ladle and Pyrometallurgical Tools |
| CN112390599A (en) * | 2020-10-29 | 2021-02-23 | 攀枝花环业冶金渣开发有限责任公司 | High-titanium blast furnace slag pervious concrete and use method thereof |
| CN115385665A (en) * | 2022-09-15 | 2022-11-25 | 攀钢集团攀枝花钢铁研究院有限公司 | Anti-bonding method for blast furnace slag chute |
-
2022
- 2022-11-29 CN CN202211524545.3A patent/CN115849921A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105367030A (en) * | 2015-11-06 | 2016-03-02 | 江苏尼高科技有限公司 | Desulfurized-gypsum-base lightweight spraying gypsum mortar |
| US20190316844A1 (en) * | 2016-12-08 | 2019-10-17 | S. A. Lhoist Recherche Et Developpement | Method for Handling a Slag Pot or Ladle and Pyrometallurgical Tools |
| CN107235733A (en) * | 2017-05-27 | 2017-10-10 | 巩义市金利炉料厂 | A kind of slag adhesion spray paint |
| CN110305516A (en) * | 2019-08-12 | 2019-10-08 | 中山爱因新材料有限公司 | A kind of interior wall desulfurized gypsum putty |
| CN112390599A (en) * | 2020-10-29 | 2021-02-23 | 攀枝花环业冶金渣开发有限责任公司 | High-titanium blast furnace slag pervious concrete and use method thereof |
| CN115385665A (en) * | 2022-09-15 | 2022-11-25 | 攀钢集团攀枝花钢铁研究院有限公司 | Anti-bonding method for blast furnace slag chute |
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