CN115008067A - Special auxiliary material for attapulgite-based welding rod and manufacturing process thereof - Google Patents
Special auxiliary material for attapulgite-based welding rod and manufacturing process thereof Download PDFInfo
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- CN115008067A CN115008067A CN202210748408.1A CN202210748408A CN115008067A CN 115008067 A CN115008067 A CN 115008067A CN 202210748408 A CN202210748408 A CN 202210748408A CN 115008067 A CN115008067 A CN 115008067A
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- attapulgite
- ore
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
- B23K35/3602—Carbonates, basic oxides or hydroxides
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention discloses a special auxiliary material for an attapulgite-based welding rod and a manufacturing process thereof, wherein the special auxiliary material for the welding rod is prepared by analyzing attapulgite raw ore by all elements and selecting dolomite attapulgite ore, illite ore content and sericite ore with lower cost, and a user reasonably compounds and mixes the selected mineral aggregate and materials needing fine adjustment and addition in the process of homogeneous stirring. And a special mixing and stirring device is used for homogenizing processing, so that the purpose of randomly checking the homogeneity of varieties is ensured.
Description
Technical Field
The invention relates to the technical field of attapulgite, in particular to a special auxiliary material for an attapulgite-based welding rod and a manufacturing process thereof.
Background
The reasonable compatibility of various oxide elements is needed in the processing process of the welding rod, wherein the content compatibility of quantitative elements of magnesium carbonate, calcium carbonate and silicon dioxide and the control of limited index sulfur-phosphorus element are particularly troublesome, and 6-7 mineral ingredients are needed to be selected respectively to be reasonably completed.
Because of the particularity of the welding rod processing, the standard control of the oxide element content in the auxiliary materials is very strict, various mineral aggregates mined from the nature cannot be simply processed and directly used, and can be finished only by screening various minerals for compatibility. For example, the published comparison document CN 106891108B discloses a low-grade attapulgite welding rod and a preparation method thereof, the mass fraction of each component in the coating of the welding rod is as follows: 35-60% of modified low-grade attapulgite, 12-23% of dolomite, 15-20% of magnesia, 8-14% of quartz sand, 1% of starch, 1% of microcrystalline fiber, 1-2% of white mud, 1-2% of titanium powder and 1-2% of iron powder, wherein the main bodies of the modified low-grade attapulgite and the dolomite are the attapulgite and the dolomite, and then other auxiliary materials are adopted for manufacturing. For example, CN 105057924B discloses a welding electrode coating, which is also prepared from 15-65 parts of attapulgite raw ore, 0-10 parts of quartz sand, 15-20 parts of dolomite, 19-50 parts of magnesia and 1-5 parts of iron powder. The two disclosed prior arts adopt various auxiliary materials and various chemical additives in the processing process to meet the standard control requirement of the oxide element content in the auxiliary materials of the welding rod, but the processing process has higher cost. Therefore, it is important to solve such problems.
Disclosure of Invention
Aiming at the problems, the invention provides the special auxiliary material for the attapulgite-based welding rod and the manufacturing process thereof, wherein the special auxiliary material for the welding rod is prepared by selecting dolomite attapulgite ore, illite ore and sericite ore with lower cost through analyzing attapulgite raw ore in all elements, and a user reasonably compounds and mixes the selected mineral aggregate and materials needing to be finely adjusted and added in the process of homogeneous stirring.
In order to realize the technical scheme, the invention provides a special auxiliary material for an attapulgite-based welding rod, which comprises the following components in percentage by mass: the dolomite attapulgite ore content is 50-65%, the illite ore content is 15-25% and the sericite ore content is 20-30%.
The further improvement lies in that: the special auxiliary material for the attapulgite-based welding rod comprises the following components in percentage by mass: the dolomite attapulgite ore content is 55%, the illite ore content is 20% and the sericite ore content is 25%.
The further improvement lies in that: the special auxiliary material for the attapulgite-based welding rod is powdery and has the fineness not higher than 100 meshes.
The manufacturing process for manufacturing the special auxiliary material for the attapulgite-based welding rod according to claim 1 comprises the following steps:
the method comprises the following steps: mineral separation, namely performing primary classification on the raw materials mined in different areas, and sampling not less than 1000 g of each sample raw material;
step two: carrying out full-element analysis on various collected samples, screening the data of the various analyzed samples to select raw ore materials meeting the requirements, and finally selecting dolomite mineral aggregates, illite mineral aggregates and sericite mineral aggregates;
step three: sun-drying, namely crushing the selected raw ore material, namely the attapulgite raw ore into 10cm, and then naturally sun-drying by using sunlight;
step four: crushing and grinding, namely crushing the dried attapulgite raw ore into 200-mesh powder by using a pulverizer, and then screening by using a 100-mesh screen to finally obtain 100-mesh attapulgite powder;
step five: homogenizing, namely putting the screened attapulgite powder into a stirring and homogenizing device for homogenizing for 20 minutes;
step five: assay analysis, namely performing assay analysis on the homogenized attapulgite powder;
step six: according to the result of the assay analysis, the attapulgite powder meeting the requirements is packed and delivered to a warehouse, and the unqualified attapulgite powder is homogenized again.
The further improvement lies in that: in the second step, the attapulgite crude ore after the full element analysis can be put into an oven for drying treatment, wherein the oven temperature is 200 ℃, and the drying time is 1 hour.
The further improvement lies in that: in the fifth step, in the process of homogenizing and stirring, the user reasonably compounds and mixes the selected mineral aggregate and the materials needing to be finely adjusted and added.
The invention has the beneficial effects that: the special auxiliary material for the attapulgite-based welding rod can be prepared by only using dolomite attapulgite ore, illite ore and sericite ore, the content change of elements such as silicon dioxide, calcium carbonate, magnesium carbonate and the like at different mineral points is found to be increased by carrying out full analysis and comparison on the oxide elements of the mineral materials at a plurality of mineral points, the finally selected dolomite attapulgite ore, illite ore and sericite ore are all mineral materials with the lowest cost, in the preparation process, the compatibility processing is carried out by adopting the principles of classified mining and classified processing and lacking what to supplement, the mixing and stirring equipment is used for carrying out the homogeneous processing on the mineral materials, the purposes of randomly testing, homogenizing and consistent varieties are ensured, other auxiliary agents are not required to be added for processing, and the requirements of customer products can be met. The detection and purchase cost of various materials in a welding rod factory is reduced, and the quality control of a welding rod manufacturer is facilitated.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Example one
The embodiment provides a special auxiliary material for an attapulgite-based welding rod, which comprises the following components in percentage by mass: the dolomite attapulgite ore content is 65%, the illite ore content is 15% and the sericite ore content is 20%.
The special auxiliary material for the attapulgite-based welding rod is powdery and has the fineness not higher than 100 meshes.
The final detection result of the special auxiliary material product for the attapulgite-based welding rod comprises 32 percent of silicon dioxide, 50 percent of calcium carbonate and magnesium carbonate, more than 20 percent of magnesium carbonate, less than 0.04 percent of phosphorus element and less than 0.025 percent of sulfur element.
The results of the technical indexes of the attapulgite mineral powder special for the welding rod shown in the following table are obtained by carrying out total analysis and comparison on oxide elements of mineral aggregates of a plurality of mineral points, wherein the main reason for adopting the dolomite attapulgite mineral is low price and high calcium carbonate and magnesium carbonate components; the main reasons for adopting illite ore are low raw material price, high silicon dioxide and magnesium carbonate components and low sulfur-phosphorus element; the main reasons for using sericite ore are high silicon dioxide and magnesium carbonate content, low sulfur and phosphorus elements, low raw material price and more raw material sources.
Special attapulgite mineral powder technical index for welding rod
Example two
The embodiment provides a special auxiliary material for an attapulgite-based welding rod, which comprises the following components in percentage by mass: the dolomite attapulgite ore content is 55%, the illite ore content is 20% and the sericite ore content is 25%.
The special auxiliary material for the attapulgite-based welding rod is powdery and has the fineness not higher than 100 meshes.
The final detection result of the special auxiliary material product for the attapulgite-based welding rod comprises 28 percent of silicon dioxide, 56 percent of calcium carbonate and magnesium carbonate, more than 20 percent of magnesium carbonate, less than 0.04 percent of phosphorus element and less than 0.025 percent of sulfur element.
The results of the technical indexes of the attapulgite mineral powder special for the welding rod shown in the following table are obtained by carrying out total analysis and comparison on oxide elements of mineral aggregates of a plurality of mineral points, wherein the main reason for adopting the dolomite attapulgite mineral is low price and high calcium carbonate and magnesium carbonate components; the main reasons for adopting illite ore are low raw material price, high silicon dioxide and magnesium carbonate components and low sulfur-phosphorus element; the main reasons for using sericite are high content of silicon dioxide and magnesium carbonate, low content of sulfur and phosphorus elements, low raw material price and more raw material sources.
Special attapulgite mineral powder technical index for welding rod
EXAMPLE III
According to the figure 1, the embodiment provides a manufacturing process of special auxiliary materials for manufacturing the attapulgite-based welding rod, which comprises the following steps:
the method comprises the following steps: mineral separation, namely performing primary classification on raw materials mined from different areas, and sampling each sample raw material to be not less than 1000 g;
step two: carrying out full-element analysis on various collected samples, screening the data of the various analyzed samples to select raw ore materials meeting the requirements, and finally selecting dolomite mineral aggregates, illite mineral aggregates and sericite mineral aggregates;
step three: drying in the sun, namely crushing the selected raw mineral materials, namely dolomite mineral aggregate, illite mineral aggregate and sericite mineral aggregate into 10cm, and then naturally drying in the sun;
step four: crushing and grinding, namely crushing the dried dolomite mineral aggregate, illite mineral aggregate and sericite mineral aggregate into 200-mesh powder by using a Raymond mill, and then screening by using a 100-mesh screen to finally obtain 100-mesh attapulgite powder;
step five: homogenizing, namely putting the screened attapulgite powder into a stirring and homogenizing device for homogenizing for 20 minutes;
step five: assay analysis, namely performing assay analysis on the homogenized attapulgite powder;
step six: according to the result of the assay analysis, the attapulgite powder meeting the requirements is packed and delivered to a warehouse, and the unqualified attapulgite powder is homogenized again.
In the second step, the attapulgite crude ore after the full element analysis can be put into a drying oven for drying treatment, wherein the temperature of the drying oven is 200 ℃, and the drying time is 1 hour.
In the fifth step, in the process of homogenizing and stirring, the user reasonably compounds and mixes the selected mineral aggregate and the materials which need to be finely adjusted and added.
During the compounding and mixing process, dolomite attapulgite ore powder or illite ore powder or sericite ore powder is reasonably added according to the content of silicon dioxide, calcium carbonate + magnesium carbonate and magnesium carbonate, so that the special auxiliary material for the prepared attapulgite-based welding rod meets the requirements of customers.
In this example, the process of homogenizing and stirring the materials is as follows:
the method comprises the following steps: starting the homogenizing mixer, and starting feeding after normal operation for ten minutes;
step two: putting the attapulgite powder sieved by a 100-mesh sieve into a homogenizing mixer, and putting 6 tons of attapulgite powder in limited quantity each time;
step three: after the feeding is finished, the stirring time is set to be 20 minutes;
step four: after stirring, packaging and packaging the attapulgite powder;
step five: the inspection personnel take the packaged attapulgite powder, and perform sampling inspection by taking 6 tons of attapulgite powder as a unit, and if unqualified products are inspected, the workers return the unqualified products to the homogenizing mixer for compatibility.
The special auxiliary material for the attapulgite-based welding rod can be manufactured by only using dolomite attapulgite ore, illite ore and sericite ore, the content change of elements such as silicon dioxide, calcium carbonate and magnesium carbonate and the like of different mineral points is found to be increased by carrying out total analysis and comparison on the oxide elements of mineral aggregates of a plurality of mineral points, the dolomite attapulgite ore, the illite ore and the sericite ore which are finally selected are all mineral aggregates with the lowest cost, and in the manufacturing process, the compatibility processing is carried out by adopting the principles of classified mining and classified processing and lacking what to supplement, and the mineral aggregates are homogenized and processed by using a mixing and stirring device, so that the purposes of randomly sampling, testing, homogenizing and consistent varieties are achieved, other auxiliary agents are not required to be added for processing, and the requirements of customer products can be met. The detection and purchase cost of various materials in a welding rod factory is reduced, and the quality control of a welding rod manufacturer is facilitated.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The special auxiliary material for the attapulgite-based welding rod is characterized by comprising the following components in percentage by mass: the dolomite attapulgite ore content is 50-65%, the illite ore content is 15-25% and the sericite ore content is 20-30%.
2. The special auxiliary material for the attapulgite-based welding rod according to claim 2, characterized in that: the special auxiliary material for the attapulgite-based welding rod comprises the following components in percentage by mass: the dolomite attapulgite ore content is 55%, the illite ore content is 20% and the sericite ore content is 25%.
3. The special auxiliary material for the attapulgite-based welding rod according to the claim 1 or 2, characterized in that: the special auxiliary material for the attapulgite-based welding rod is powdery and has the fineness not higher than 100 meshes.
4. The manufacturing process for manufacturing the special auxiliary material for the attapulgite-based welding rod according to claim 1 is characterized by comprising the following steps:
the method comprises the following steps: mineral separation, namely performing primary classification on raw materials mined from different areas, and sampling each sample raw material to be not less than 1000 g;
step two: carrying out full-element analysis on various collected samples, screening the data of the various analyzed samples to select raw ore materials meeting the requirements, and finally selecting dolomite mineral aggregates, illite mineral aggregates and sericite mineral aggregates;
step three: drying in the sun, namely crushing the selected raw ore material, namely the attapulgite raw ore into 10cm, and then naturally drying in the sun;
step four: crushing and grinding, namely crushing the dried attapulgite raw ore into 200-mesh powder by using a grinding mill, and then screening by using a 100-mesh screen to finally obtain 100-mesh attapulgite powder;
step five: homogenizing, namely putting the screened attapulgite powder into a stirring and homogenizing device for homogenizing for 20 minutes;
step five: assay analysis, namely performing assay analysis on the homogenized attapulgite powder;
step six: according to the result of the assay analysis, the attapulgite powder meeting the requirements is packed and delivered to a warehouse, and the unqualified attapulgite powder is homogenized again.
5. The manufacturing process of the special auxiliary material for the attapulgite-based welding rod according to claim 1, is characterized in that: in the second step, the attapulgite crude ore after the full element analysis can be put into an oven for drying treatment, wherein the oven temperature is 200 ℃, and the drying time is 1 hour.
6. The manufacturing process of the special auxiliary material for the attapulgite-based welding rod according to claim 1, is characterized in that: in the fifth step, in the process of homogenizing and stirring, the user reasonably compounds and mixes the selected mineral aggregate and the materials needing to be finely adjusted and added.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210748408.1A CN115008067A (en) | 2022-06-29 | 2022-06-29 | Special auxiliary material for attapulgite-based welding rod and manufacturing process thereof |
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| CN202210748408.1A CN115008067A (en) | 2022-06-29 | 2022-06-29 | Special auxiliary material for attapulgite-based welding rod and manufacturing process thereof |
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