CN113878114B - Tungsten mud and preparation method thereof - Google Patents
Tungsten mud and preparation method thereof Download PDFInfo
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- CN113878114B CN113878114B CN202111140400.9A CN202111140400A CN113878114B CN 113878114 B CN113878114 B CN 113878114B CN 202111140400 A CN202111140400 A CN 202111140400A CN 113878114 B CN113878114 B CN 113878114B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K95/00—Sinkers for angling
- A01K95/005—Sinkers not containing lead
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention discloses tungsten mud and a preparation method thereof, and belongs to the technical field of tungsten mud processing. The tungsten mud comprises the following components by mass percentThe raw materials by weight percentage are as follows: 87.15 to 88.85 percent of tungsten powder, 4.4 to 4.8 percent of iron powder, 6.5 to 7.5 percent of silica gel, 0.2 to 0.4 percent of peanut oil and 0.05 to 0.15 percent of glycerol. The invention also discloses a preparation method of the tungsten mud. The density of the tungsten mud is 8.6g/cm 3 The soft rubber has good flexibility, can be randomly changed in shape, does not dirty hands, can be taken out after being frozen at the temperature of minus 20 ℃ for 5 days, can still maintain good flexibility after being restored to the normal temperature, and is not easy to crack.
Description
Technical Field
The invention relates to tungsten mud and a preparation method thereof, and belongs to the technical field of tungsten mud processing.
Background
At present, the tungsten alloy material has basically replaced the lead fishing sinker in foreign markets, and with the continuous development of the market, the tungsten polymer material gradually replaces part of the tungsten alloy material with low cost, shape variability and use convenience. The tungsten mud is a novel tungsten polymer, and firstly, the tungsten mud needs to have high density of 8g/cm 3 -9g/cm 3 And secondly, the product needs to have good flexibility, can be randomly changed in shape, can keep the flexibility after being stored for 5 days at the temperature of minus 20 ℃, and cannot become dry and hard. The contradiction exists between the high density and the flexibility required by the product, the adding proportion of the tungsten powder and the iron powder is low, and the density requirement cannot be met; the tungsten powder and the iron powder have high addition ratio, and the flexibility can not meet the requirement.
In view of the above, it is necessary to provide a tungsten mud and a preparation method thereof to overcome the defects of the prior art.
Disclosure of Invention
The invention aims to provide tungsten mud.
The technical scheme for solving the technical problems is as follows: the tungsten mud is prepared from the following raw materials in percentage by mass: 87.15-88.85% of tungsten powder, 4.4-4.8% of iron powder, 6.5-7.5% of silica gel, 0.2-0.4% of peanut and 0.05-0.15% of glycerol.
The principle of the tungsten mud is as follows:
the tungsten powder refers to powdered metal tungsten. In the invention, the tungsten powder is used as a main raw material and plays a role in improving the density.
The iron powder refers to iron powder particles with the particle size of 200-300 meshes. In the invention, the iron powder plays a role in saving cost.
Silica gel, also known as silicic acid gel, is a granular porous silica hydrate, belongs to an amorphous substance, is transparent or milk white in appearance, is prepared by washing and drying sodium silicate after adding acid, and has stable chemical properties and no combustion. In the invention, the silica gel plays a role of being soft and randomly deformed.
Peanut oil, also known as peanut oil or groundnut oil, is a fatty oil extracted from the seeds of groundnut in the genus of groundnut in the family of leguminosae. In the present invention, the peanut oil serves as a lubricant. The peanut oil can be purchased in the market, such as the Lu Hua S pressed first-grade peanut oil which can be purchased from Shandong Lu flower group, inc.
Glycerol, also known as glycerol, is a colorless, odorless, sweet viscous liquid. In the present invention, glycerin plays a role in preventing dry cracking. The glycerol can be purchased from cabbage chemical industry Co., ltd, guangzhou, for example, and has a specification of 99.7% edible glycerol.
In the prior art, no report is provided for preparing tungsten mud by combining tungsten powder, iron powder, silica gel, peanut oil and glycerol. Through a plurality of tests, the invention unexpectedly and surprisingly discovers that the tungsten mud obtained by adopting the five raw materials and adding corresponding proportions has excellent performance and the density of 8.6g/cm by utilizing the high density of the tungsten powder, the flexibility of the silica gel and the wetting and anti-cracking functions of the peanut oil and the glycerin 3 The soft plastic has good flexibility, can be changed into shapes at will, does not dirty hands, can be taken out after being frozen for 5 days at the temperature of minus 20 ℃, can still maintain good flexibility after being restored to the normal temperature, and is not easy to crack.
The tungsten mud has the beneficial effects that:
the density of the tungsten mud is 8.6g/cm 3 The soft rubber has good flexibility, can be randomly changed in shape, does not dirty hands, can be taken out after being frozen at the temperature of minus 20 ℃ for 5 days, can still maintain good flexibility after being restored to the normal temperature, and is not easy to crack.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the material is prepared from the following raw materials in percentage by mass: 88% of tungsten powder, 4.6% of iron powder, 7% of silica gel, 0.3% of peanut and 0.1% of glycerol.
The adoption of the further beneficial effects is as follows: the above is the best parameter, and the obtained tungsten mud has the best performance. The invention respectively sets the adding amount of silica gel as six proportions of 5%, 6%, 7%, 8%, 9% and 10% to respectively prepare 6 tungsten mud.Tests prove that when the addition amount of the silica gel is 5% and 6%, the obtained tungsten mud product is in a dry cracking state as a whole, the glue is not wet enough, the flexibility is poor, hands are easy to get dirty, and the situation that the addition amounts of the tungsten powder and the iron powder are too high is not appropriate. When the addition amount of the silica gel is 8%, 9% and 10%, the obtained tungsten mud product is very thin and soft, is fluid, and naturally spreads out and is not shaped after being placed. When the addition of the silica gel is 7 percent, the obtained tungsten mud product is soft, can be randomly changed in shape, has certain shape retention and is 8.6g/cm through a density test 3 And meets the requirements. Therefore, the addition of the silica gel of 7 percent is the optimal parameter, and the obtained tungsten mud product has the optimal performance.
Further, the particle size of the tungsten powder is 2.8-3.2 μm.
The adoption of the further beneficial effects is as follows: the tungsten powder with the particle size is adopted, and the obtained tungsten mud has the best performance.
The tungsten powder can be purchased commercially, such as from Ganzhou Guanghua nonferrous metals company.
Further, the particle size of the iron powder is 200 meshes.
Adopt above-mentioned further beneficial effect to be: the performance of the tungsten mud obtained by adopting the iron powder with the grain size is optimal.
The iron powder may be purchased commercially, for example, from Laiwu iron group powder metallurgy, inc.
Further, the silica gel is liquid silica gel, and the Shore hardness is 48-52 degrees.
The silica gel can be purchased commercially, for example, from Eucalyptus globulus silica gel technologies, inc. of Dongguan.
The second purpose of the invention is to provide a preparation method of the tungsten mud.
The technical scheme for solving the technical problems is as follows: a preparation method of tungsten mud comprises the following steps:
step 1: respectively weighing the following raw materials in percentage by mass: 87.15 to 88.85 percent of tungsten powder, 4.4 to 4.8 percent of iron powder, 6.5 to 7.5 percent of silica gel, 0.2 to 0.4 percent of peanut and 0.05 to 0.15 percent of glycerol;
step 2: uniformly mixing the tungsten powder and the iron powder weighed in the step 1 to obtain a mixed material;
and step 3: heating a mixing roll to 100 ℃, adding the silica gel weighed in the step 1, stirring for the first time, then continuously heating to 180-200 ℃, adding the mixed material obtained in the step 2, stirring for the second time, reducing the temperature to 140-160 ℃ by power failure, adding the peanut oil and the glycerol weighed in the step 1, stirring for the third time, then reducing the temperature to 80-100 ℃, and discharging to obtain the tungsten mud.
The preparation method of the tungsten mud has the beneficial effects that:
the preparation method of the tungsten mud is simple, easy to operate, low in cost, wide in market prospect and suitable for large-scale popularization and application.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, in step 2, the mixing time is 10 hours.
The adoption of the further beneficial effects is as follows: by adopting the mixing time, the tungsten powder and the iron powder can be mixed more thoroughly, so that a mixture with uniform proportion is obtained. The mixing may be carried out in a V blender.
Further, in the step 3, the time for the first stirring is 25min-35min; the time for the second stirring is 35min-45min; the third stirring time is 10min-15min.
The adoption of the further beneficial effects is as follows: by adopting the stirring time, the reaction of the five raw materials of the tungsten powder, the iron powder, the silica gel, the peanut oil and the glycerol can be ensured to be more thorough, so that the tungsten mud product meeting the requirements of the invention can be obtained.
Detailed Description
The principles and features of this invention are described below in conjunction with specific embodiments, which are set forth merely to illustrate the invention and are not intended to limit the scope of the invention.
Example 1
The tungsten mud of the embodiment is prepared from the following raw materials in percentage by mass: 88% of tungsten powder, 4.6% of iron powder, 7% of silica gel, 0.3% of peanut and 0.1% of glycerol. Wherein the particle size of the tungsten powder is 2.8-3.2 μm; the particle size of the iron powder is 200 meshes; the silica gel is liquid silica gel, and the Shore hardness is 48-52 degrees.
The preparation method of the tungsten mud comprises the following steps:
step 1: respectively weighing the following raw materials in percentage by mass: 88% of tungsten powder, 4.6% of iron powder, 7% of silica gel, 0.3% of peanut and 0.1% of glycerol.
Step 2: and (3) mixing the tungsten powder and the iron powder weighed in the step (1) in a V-shaped mixer for 10 hours to obtain a mixed material.
And step 3: heating a mixing roll to 100 ℃, adding the silica gel weighed in the step 1, stirring for the first time for 25min, then continuously heating to 180 ℃, adding the mixed material obtained in the step 2, stirring for the second time for 35min, powering off, cooling to 140 ℃, adding the peanut oil and the glycerol weighed in the step 1, stirring for the third time for 10min, then cooling to 80 ℃, and discharging to obtain the tungsten mud.
The density of the tungsten mud of the example is 8.6g/cm 3 The soft rubber has good flexibility, can be randomly changed in shape, does not dirty hands, can be taken out after being frozen at the temperature of minus 20 ℃ for 5 days, can still maintain good flexibility after being restored to the normal temperature, and is not easy to crack.
Example 2
The tungsten mud is prepared from the following raw materials in percentage by mass: 87.15% of tungsten powder, 4.8% of iron powder, 7.5% of silica gel, 0.4% of peanut and 0.15% of glycerol. Wherein the particle size of the tungsten powder is 2.8-3.2 μm; the particle size of the iron powder is 200 meshes; the silica gel is liquid silica gel, and the Shore hardness is 48-52 degrees.
The preparation method of the tungsten mud comprises the following steps:
step 1: respectively weighing the following raw materials in percentage by mass: 87.15% of tungsten powder, 4.8% of iron powder, 7.5% of silica gel, 0.4% of peanut and 0.15% of glycerol.
And 2, step: and (3) mixing the tungsten powder and the iron powder weighed in the step (1) in a V-shaped mixer for 10 hours to obtain a mixed material.
And step 3: heating a mixing roll to 100 ℃, adding the silica gel weighed in the step 1, stirring for the first time for 30min, then continuously heating to 190 ℃, adding the mixed material obtained in the step 2, stirring for the second time for 40min, reducing the temperature to 150 ℃ after power failure, adding the peanut oil and the glycerol weighed in the step 1, stirring for the third time for 12min, then reducing the temperature to 90 ℃, and discharging to obtain the tungsten mud.
The density of the tungsten mud of the example is 8.6g/cm 3 The soft rubber has good flexibility, can be randomly changed in shape, does not dirty hands, can be taken out after being frozen at the temperature of minus 20 ℃ for 5 days, can still maintain good flexibility after being restored to the normal temperature, and is not easy to crack.
Example 3
The tungsten mud is prepared from the following raw materials in percentage by mass: 88.85% of tungsten powder, 4.4% of iron powder, 6.5% of silica gel, 0.2% of peanut and 0.05% of glycerol. Wherein the particle size of the tungsten powder is 2.8-3.2 μm; the particle size of the iron powder is 200 meshes; the silica gel is liquid silica gel, and the Shore hardness is 48-52 degrees.
The preparation method of the tungsten mud comprises the following steps:
step 1: respectively weighing the following raw materials in percentage by mass: 88.85% of tungsten powder, 4.4% of iron powder, 6.5% of silica gel, 0.2% of peanut and 0.05% of glycerol.
Step 2: and (3) mixing the tungsten powder and the iron powder weighed in the step (1) in a V-shaped mixer for 10 hours to obtain a mixed material.
And 3, step 3: heating a mixing roll to 100 ℃, adding the silica gel weighed in the step 1, stirring for the first time for 35min, then continuously heating to 200 ℃, adding the mixed material obtained in the step 2, stirring for the second time for 45min, powering off, cooling to 160 ℃, adding the peanut oil and the glycerol weighed in the step 1, stirring for the third time for 15min, then cooling to 100 ℃, and discharging to obtain the tungsten mud.
The density of the tungsten mud of the example is 8.6g/cm 3 The soft rubber has good flexibility, can be randomly changed in shape, does not dirty hands, can be taken out after being frozen at the temperature of minus 20 ℃ for 5 days, can still maintain good flexibility after being restored to the normal temperature, and is not easy to crack.
Comparative example 1
In contrast to example 1, in comparative example 1, a Polyolefin elastomer (POE) was used in place of the silica gel, and the rest was the same.
The tungsten mud obtained in comparative example 1 was not sufficiently flexible. Although the liquid state is in a hot state, the flexibility is not good after cooling, and the shape cannot be changed arbitrarily.
Comparative example 2
In contrast to example 1, comparative example 2 uses a Thermoplastic Elastomer (TPE) instead of silica gel, and the rest is the same.
The tungsten mud obtained in comparative example 2 was not sufficiently flexible. Although the liquid state is in a hot state, the flexibility is not good after cooling, and the shape cannot be changed arbitrarily.
Comparative example 3
In contrast to example 1, in comparative example 3, thermoplastic polyurethane elastomer rubber (abbreviated as TPU) was used in place of silicone rubber, and the rest was the same.
The tungsten mud obtained in comparative example 3 was not sufficiently flexible. Although the liquid state is in a hot state, the flexibility is not good after cooling, and the shape cannot be changed arbitrarily.
Comparative example 4
In contrast to example 1, in comparative example 4, a Thermoplastic Vulcanizate (TPV) was used in place of the silica gel, and the rest was the same.
The tungsten mud obtained in comparative example 4 was not sufficiently flexible. Although the liquid state is a hot state, the shape of the liquid is not changed arbitrarily as compared with the liquid state after cooling.
From comparative examples 1 to 4, it is known that the use of silica gel is more advantageous in obtaining soft and elastic tungsten mud than polyolefin elastomers, thermoplastic polyurethane elastomer rubbers and thermoplastic vulcanizates.
Comparative example 5
In contrast to example 1, the same procedure was followed except that the peanut oil was replaced by lubricating oil.
The tungsten mud obtained in comparative example 6 was frozen at-20 ℃ for 5 days and then taken out, and after returning to room temperature, it could not maintain good flexibility and could not be changed in shape at will.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (8)
1. The tungsten mud is characterized by being prepared from the following raw materials in percentage by mass: 87.15 to 88.85 percent of tungsten powder, 4.4 to 4.8 percent of iron powder, 6.5 to 7.5 percent of silica gel, 0.2 to 0.4 percent of peanut oil and 0.05 to 0.15 percent of glycerol.
2. The tungsten mud according to claim 1, characterized by being prepared from the following raw materials in percentage by mass: 88% of tungsten powder, 4.6% of iron powder, 7% of silica gel, 0.3% of peanut oil and 0.1% of glycerol.
3. The tungsten mud of claim 1, wherein the particle size of the tungsten powder is 2.8 μm to 3.2 μm.
4. The tungsten mud of claim 1, wherein the iron powder has a particle size of 200 mesh.
5. The tungsten mud according to claim 1, wherein the silica gel is liquid silica gel and has a Shore hardness of 48-52 °.
6. The preparation method of the tungsten mud is characterized by comprising the following steps:
step 1: respectively weighing the following raw materials in percentage by mass: 87.15 to 88.85 percent of tungsten powder, 4.4 to 4.8 percent of iron powder, 6.5 to 7.5 percent of silica gel, 0.2 to 0.4 percent of peanut oil and 0.05 to 0.15 percent of glycerol;
step 2: uniformly mixing the tungsten powder and the iron powder weighed in the step 1 to obtain a mixed material;
and 3, step 3: heating a mixing roll to 100 ℃, adding the silica gel weighed in the step 1, stirring for the first time, then continuously heating to 180-200 ℃, adding the mixed material obtained in the step 2, stirring for the second time, reducing the temperature to 140-160 ℃ by power failure, adding the peanut oil and the glycerol weighed in the step 1, stirring for the third time, then reducing the temperature to 80-100 ℃, and discharging to obtain the tungsten mud.
7. The method for preparing tungsten mud according to claim 6, wherein the mixing time in step 2 is 10 hours.
8. The method for preparing tungsten mud according to claim 6, wherein in the step 3, the first stirring time is 25min-35min; the time for the second stirring is 35min-45min; the third stirring time is 10min-15min.
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| JP4565155B2 (en) * | 2005-04-28 | 2010-10-20 | 独立行政法人産業技術総合研究所 | Clay composition for porous metal or porous ceramics, and method for producing porous metal or porous ceramics using the same |
| CN102443726A (en) * | 2011-12-05 | 2012-05-09 | 株洲乐泰金属粉末制品有限公司 | Tungsten alloy fishing weight and production process thereof |
| EP4269109A3 (en) * | 2015-10-09 | 2024-02-07 | Ossiform ApS | Process for 3d printing, use of a suspension for 3d-printing and a 3d-printer |
| JP2018200261A (en) * | 2017-05-29 | 2018-12-20 | 株式会社アライドマテリアル | Sheet-like radiation shielding material and tungsten sintered alloy powder used in the same |
| CN108796332A (en) * | 2018-06-14 | 2018-11-13 | 马林生 | A kind of production technology of high-purity ferro-tungsten |
| CN112548101A (en) * | 2020-11-18 | 2021-03-26 | 广州市华司特合金制品有限公司 | Integrally-formed tungsten alloy bionic fish bait body and preparation process thereof |
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