CN105014087A - Metal sand preparation equipment and preparation process - Google Patents
Metal sand preparation equipment and preparation process Download PDFInfo
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- CN105014087A CN105014087A CN201510385778.3A CN201510385778A CN105014087A CN 105014087 A CN105014087 A CN 105014087A CN 201510385778 A CN201510385778 A CN 201510385778A CN 105014087 A CN105014087 A CN 105014087A
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Abstract
The invention provides metal sand preparation equipment. The metal sand preparation equipment comprises a medium-frequency induction smelting furnace, a high-pressure water pump and a totally enclosed type pulverizing device, wherein the totally enclosed type pulverizing device consists of a tundish, a reaction kettle I, a reaction kettle II and a reaction kettle III which are sequentially arranged from top to bottom and are communicated; a flow-limiting discharge spout is mounted on a joint of the tundish and the reaction kettle I; three water pipes which are connected with the reaction kettle I, the reaction kettle II and the reaction kettle III respectively are connected on a high-pressure water pump; and high-pressure spray nozzles are mounted on joints of the three water pipes, the reaction kettle I, the reaction kettle II and the reaction kettle III. According to the metal sand preparation equipment, three reaction kettles are arranged from top to bottom, liquid metal is subjected to atomization reaction by three times in a vertical falling process, so that part of branch-shaped structures on the metal sand are removed, and therefore, the metal sand is closer to sphericity, and is relatively high in granularity and degree of sphericity.
Description
Technical field
The present invention relates to metal sand, be particularly used for producing the metal sand Preparation equipment of metal sand and preparation technology.
Background technology
In textile industry, superfine denier fiber requires higher to the degree of purity of textile raw material, and conventional fondant filter can not meet use needs, and the appearance of metal sand solves this awkward situation.
Metal sand take high-class stainless steel as raw material, adopts the novel most advanced and sophisticated filtering material of special technique exploitation.They are compared with extra large sand, diamond dust, bead, multi-layer sintering wire netting etc., stronger in filtration combination property.But, due to the restriction of production equipment, the metal sand for filtering that current domestic production goes out, granularity and sphericity poor, strainability is also poor, therefore, in the urgent need to breaking this restriction, design a kind of new metal sand Preparation equipment, to produce the metal sand of high-quality.
Summary of the invention
For solving the problems of the technologies described above, a kind of metal sand Preparation equipment provided by the invention and preparation technology, to realize the object preparing high-test metal sand.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of metal sand Preparation equipment, comprise medium frequency induction melting furnace, high-pressure hydraulic pump and totally enclosed type fuel pulverizing plant, described totally enclosed type fuel pulverizing plant is by set gradually from top to bottom and the tundish be communicated with, reactor one, reactor two and reactor three form, the junction of described tundish and described reactor one is provided with current limliting and lets slip a remark, described high-pressure hydraulic pump picks out three water pipes be connected with reactor one, reactor two and reactor three respectively, the junction of these three described water pipes and reactor one, reactor two and reactor three is all provided with high pressure nozzle.
Preferably, described high pressure nozzle is single layer of rings hole nozzle.
Based on the metal sand preparation technology that metal sand Preparation equipment adopts, the step of described method is:
1) raw material is prepared: join to obtain required stainless steel raw material by the content of each element in metal sand, and put in medium frequency induction melting furnace by raw material;
2) heat: heat temperature raising in medium frequency induction melting furnace, makes the molten metal degree of superheat be 1600 ~ 1800 DEG C;
3) by step 2) molten metal of Raw pours in tundish, and make molten metal flow into reactor one from tundish, it is 38 ~ 45g/s that the speed limit stem bar on tundish limits molten metal flow velocity;
4) water under high pressure in high-pressure hydraulic pump is respectively from three high pressure nozzle spirt reactors one, reactor two and reactors three, and the jet angle of high pressure nozzle focus is 10 ~ 20 °, high-pressure water pressure 35 ~ 90Mpa, and discharge is 3.3 ~ 6m
3/ min.
Preferably, the jet angle a of the first focus of the water under high pressure formation of the high pressure nozzle injection of described reactor one correspondence is 10 ~ 20 °, the jet angle b of the second focus of the water under high pressure formation of the high pressure nozzle injection of described reactor two correspondence is 10 ~ 20 °, and the trifocal jet angle c that the water under high pressure of the high pressure nozzle injection of described reactor three correspondence is formed is 10 ~ 20 °.
Preferably, the jet angle a of described first focus is 18 °, and the jet angle b of described second focus is 16 °, and described trifocal jet angle c is 14 °.
Pass through technique scheme, metal sand Preparation equipment provided by the invention, it is provided with three reactors from top to bottom, metal liquid stream stands three atomization reactions in the process vertically fallen, metal liquid stream is in reactor one, irregularly shaped particles is produced with the first focus first time collision, then entering reactor two runs into the second focus at once, because metal liquid stream itself does not also have complete cooling and shaping, so second time contact can mould the shape of particle again, destroy part dendritic morphology with it, finally, enter reactor three and run into the 3rd focus, again destroy part dendritic morphology with it, make it closer to spherical, granularity and sphericity higher.Therefore, a kind of metal sand Preparation equipment provided by the invention and preparation technology, achieve the object preparing high-test metal sand.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described.
Fig. 1 is the structural representation of the metal sand Preparation equipment disclosed in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
A kind of metal sand Preparation equipment as shown in Figure 1, comprise medium frequency induction melting furnace 11, high-pressure hydraulic pump 12 and totally enclosed type fuel pulverizing plant, totally enclosed type fuel pulverizing plant is by setting gradually from top to bottom and the tundish 13 be communicated with, reactor 1, reactor 2 15 and reactor 3 16 form, tundish 13 is provided with current limliting with the junction of reactor 1 and lets slip a remark 17, high-pressure hydraulic pump 12 has picked out three respectively with reactor one, the water pipe 8a that reactor two is connected with reactor three, 8b, 8c, this three water pipes and reactor one, the junction of reactor two and reactor three is all provided with high pressure nozzle.Wherein, high pressure nozzle is single layer of rings hole nozzle.
Based on the metal sand preparation technology that above-mentioned metal sand Preparation equipment adopts, the step of method is:
1) raw material is prepared: join to obtain required stainless steel raw material by the content of each element in metal sand, and put in medium frequency induction melting furnace by raw material;
2) heat: heat temperature raising in medium frequency induction melting furnace, makes the molten metal degree of superheat be 1700 DEG C;
3) by step 2) molten metal of Raw pours in tundish, and make molten metal flow into reactor one from tundish, it is 40g/s that the speed limit stem bar on tundish limits molten metal flow velocity;
4) water under high pressure in high-pressure hydraulic pump is respectively from three high pressure nozzle spirt reactors one, reactor two and reactors three, and the jet angle of high pressure nozzle focus is 10 ~ 20 °, high-pressure water pressure 35Mpa, and discharge is 3.5m
3/ min.
Wherein, the jet angle a of the first focus of the water under high pressure formation of the high pressure nozzle injection of reactor one correspondence is 18 °, the jet angle b of the second focus of the water under high pressure formation of the high pressure nozzle injection of reactor two correspondence is 16 °, and the trifocal jet angle c that the water under high pressure of the high pressure nozzle injection of reactor three correspondence is formed is 14 °.
Metal sand Preparation equipment provided by the invention, it is provided with three reactors from top to bottom, metal liquid stream stands three atomization reactions in the process vertically fallen, metal liquid stream is in reactor one, high-velocity flow from high pressure nozzle impacts metal liquid stream from different directions, liquid stream is hit into fragment, dispersion becomes powder of stainless steel, metal liquid stream and the first time collision of the first focus produce irregularly shaped particles, then entering reactor two runs into the second focus at once, because metal liquid stream itself does not also have complete cooling and shaping, so second time contact can mould the shape of particle again, destroy part dendritic morphology with it, finally, enter reactor three and run into the 3rd focus, again destroy part dendritic morphology with it, make it closer to spherical, granularity and sphericity higher.Therefore, a kind of metal sand Preparation equipment provided by the invention and preparation technology, achieve the object preparing high-test metal sand.
To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a metal sand Preparation equipment, it is characterized in that, comprise medium frequency induction melting furnace, high-pressure hydraulic pump and totally enclosed type fuel pulverizing plant, described totally enclosed type fuel pulverizing plant is by setting gradually from top to bottom and the tundish be communicated with, reactor one, reactor two and reactor three form, the junction of described tundish and described reactor one is provided with current limliting and lets slip a remark, described high-pressure hydraulic pump has picked out three respectively with reactor one, the water pipe that reactor two is connected with reactor three, this three described water pipes and reactor one, the junction of reactor two and reactor three is all provided with high pressure nozzle.
2. metal sand Preparation equipment according to claim 1, is characterized in that, described high pressure nozzle is single layer of rings hole nozzle.
3. based on the metal sand preparation technology that metal sand Preparation equipment according to claim 2 adopts, it is characterized in that, the step of described method is:
1) raw material is prepared: join to obtain required stainless steel raw material by the content of each element in metal sand, and put in medium frequency induction melting furnace by raw material;
2) heat: heat temperature raising in medium frequency induction melting furnace, makes the molten metal degree of superheat be 1600 ~ 1800 DEG C;
3) by step 2) molten metal of Raw pours in tundish, and make molten metal flow into reactor one from tundish, it is 38 ~ 45g/s that the speed limit stem bar on tundish limits molten metal flow velocity;
4) water under high pressure in high-pressure hydraulic pump is respectively from three high pressure nozzle spirt reactors one, reactor two and reactors three, and the jet angle of high pressure nozzle focus is 10 ~ 20 °, high-pressure water pressure 35 ~ 90Mpa, and discharge is 3.3 ~ 6m
3/ min.
4. metal sand preparation technology according to claim 3, it is characterized in that, the jet angle a of the first focus of the water under high pressure formation of the high pressure nozzle injection of described reactor one correspondence is 10 ~ 20 °, the jet angle b of the second focus of the water under high pressure formation of the high pressure nozzle injection of described reactor two correspondence is 10 ~ 20 °, and the trifocal jet angle c that the water under high pressure of the high pressure nozzle injection of described reactor three correspondence is formed is 10 ~ 20 °.
5. metal sand Preparation equipment according to claim 4 and preparation technology, is characterized in that, the jet angle a of described first focus is 18 °, and the jet angle b of described second focus is 16 °, and described trifocal jet angle c is 14 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510385778.3A CN105014087A (en) | 2015-07-01 | 2015-07-01 | Metal sand preparation equipment and preparation process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510385778.3A CN105014087A (en) | 2015-07-01 | 2015-07-01 | Metal sand preparation equipment and preparation process |
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| CN105014087A true CN105014087A (en) | 2015-11-04 |
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Citations (7)
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| SU1344507A1 (en) * | 1983-12-29 | 1987-10-15 | В.Е. Гирский, Ф.М. Мурасов, Б.И.Сахнов и В.И. Подкин | Method of controlling metal feed to three-groove machine mould |
| CN2398039Y (en) * | 1999-11-23 | 2000-09-27 | 北京科因技术开发有限公司 | High-pressure water atomized powder making device |
| EP0835882B1 (en) * | 1996-10-10 | 2002-07-03 | Clariant GmbH | Process and device for simultaneously grinding and drying a humid cellulose ether containing material |
| CN201270613Y (en) * | 2008-08-18 | 2009-07-08 | 深圳唐微科技发展有限公司 | Electronic ballast for fluorescent lamp |
| CN101992301A (en) * | 2010-12-06 | 2011-03-30 | 石家庄铁道大学 | Method for producing spherical stainless steel powder material by using high pressure water atomization method |
| CN202427957U (en) * | 2011-11-30 | 2012-09-12 | 杜国华 | Three-fluid supersonic atomizing nozzle |
| CN204799945U (en) * | 2015-07-01 | 2015-11-25 | 苏州市新纶喷丝组件厂 | Metal sand preparation equipment |
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2015
- 2015-07-01 CN CN201510385778.3A patent/CN105014087A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1344507A1 (en) * | 1983-12-29 | 1987-10-15 | В.Е. Гирский, Ф.М. Мурасов, Б.И.Сахнов и В.И. Подкин | Method of controlling metal feed to three-groove machine mould |
| EP0835882B1 (en) * | 1996-10-10 | 2002-07-03 | Clariant GmbH | Process and device for simultaneously grinding and drying a humid cellulose ether containing material |
| CN2398039Y (en) * | 1999-11-23 | 2000-09-27 | 北京科因技术开发有限公司 | High-pressure water atomized powder making device |
| CN201270613Y (en) * | 2008-08-18 | 2009-07-08 | 深圳唐微科技发展有限公司 | Electronic ballast for fluorescent lamp |
| CN101992301A (en) * | 2010-12-06 | 2011-03-30 | 石家庄铁道大学 | Method for producing spherical stainless steel powder material by using high pressure water atomization method |
| CN202427957U (en) * | 2011-11-30 | 2012-09-12 | 杜国华 | Three-fluid supersonic atomizing nozzle |
| CN204799945U (en) * | 2015-07-01 | 2015-11-25 | 苏州市新纶喷丝组件厂 | Metal sand preparation equipment |
Non-Patent Citations (1)
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| 樊丁等: ""304不锈钢表面激光熔覆FeNiCrAl涂层的研究"", 《应用激光》 * |
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