CN104959104A - Processing method for corrosion-resistant filler - Google Patents
Processing method for corrosion-resistant filler Download PDFInfo
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- CN104959104A CN104959104A CN201510383839.2A CN201510383839A CN104959104A CN 104959104 A CN104959104 A CN 104959104A CN 201510383839 A CN201510383839 A CN 201510383839A CN 104959104 A CN104959104 A CN 104959104A
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Abstract
The invention discloses a processing method for a corrosion-resistant filler. The processing method comprises the steps of blending, crushing, mixing and ball grinding, water addition, clay preparation, forming, low-temperature drying, feeding into a kiln, firing and the like. According to the processing method, raw materials are mixed and ball-ground after being crushed in a filler processing process, so that crushing efficiency is improved, and the raw materials can be rapidly processed into required particle sizes; the surface of the filler is spray-coated with 1Cr13 and pure aluminum coatings, so that the corrosion resistance and the strength of the filler are further improved.
Description
Technical field
The present invention relates to a kind of processing method of corrosion-resistant filling, belong to petrochemical industry mass transfer separation equipment technical field.
Background technology
In Chemical Engineering, filler refers to the inert solid material be loaded in packed column, such as Pall ring and Raschig ring etc., and its effect is the contact surface increasing solution-air, makes its strong mixing mutually.Dumped packing is the granule one by one with certain geometrical shape and size, is generally deposited in a random way in tower, is also called dumped packing or granular filler.Dumped packing is different according to design feature, can be divided into again ring packing, saddle packing, ring saddle packing and Ball-type packing etc.
Current packed tower has been widely used in the unit operations such as rectifying, absorption, extraction of the industrial circles such as chemical industry, oil, medicine, environmental protection, it is a kind of traditional fluid contacting equipment, contact to realize quality transmission or chemical reaction for two between gas-liquid, liquid-liquid, one deck or multiple filling layers are generally equipped with in packed tower inside, the quality of packed tower mass-transfer performance depends primarily on the performance of filler used, and filler divides by its structure can be divided into structured packing and granular filler.
Filler is all in hot environment in use, and the material component that mass transfer is separated is complicated, often in acid or alkaline, makes filler be very easy to be corroded in the working environment of high temperature with aging.
Summary of the invention
The technical problem to be solved in the present invention is, not enough for prior art, proposes a kind of processing method that can obtain corrosion-resistant, resistant to elevated temperatures corrosion-resistant filling.
The present invention is the technical scheme solving the problems of the technologies described above proposition: a kind of processing method of corrosion-resistant filling, comprises the following steps:
(1) prepare burden: in the raw material of described ceramic packing, the parts by weight of each component are: tungsten carbide 4-5 part, Zn2-3 part, montmorillonite 7-8 part, kaolin 20-25 part, AlN powder 4-5 part, wollastonite 6-8 part, diopside 6-8 part, anti-aging agent RD 5-6 part and clay 38-42 part;
(2) pulverize: use pulverizer to be pulverized respectively by above-mentioned raw material, after pulverizing, the particle diameter of raw material is between 15mm-18mm;
(3) mixing and ball milling: raw material is put into mixing and ball milling instrument by described parts by weight and carries out mixing and ball milling, after mixing and ball milling, the particle diameter of raw material is between 2000-4500 order;
(4) add water: add water the raw material after mixing and ball milling mixing, and after adding water, moisture content of raw material is 20%-24%;
(5) pugging: the raw material after adding water is put into vacuum deairing machine and carries out pugging, vacuum is 0.05-0.06Mpa;
(6) shaping: to use mould to be pressed into granular filler shape;
(7) low temperature drying: the granular filler feeding low-temperature drier after shaping is carried out low temperature drying, and control baking temperature is 85-90 DEG C, is dried to shaping filler moisture content and is less than 3%;
(8) kiln is entered: the filler after shaping is sent into tunnel cave;
(9) fire: electric field-activate hot pressing auxiliary combustion stove sinters;
(10) first time spraying: adopt Ultrasonic Arc Sprayed 1Cr13 coating, 1Cr13 coating spraying thickness is 50 ± 50 μm;
(11) second time spraying: adopt Ultrasonic Arc Sprayed fine aluminium coating, fine aluminium coating spraying thickness is 300 ± 50 μm;
(12) pre-oxidation: spraying terminates rear use oxyacetylene torch to the pre-oxidation of fine aluminium coating surface.
The present invention adopts the beneficial effect of technique scheme to be: (1), in the process of filler, due to mixing and ball milling again after first pulverizing, improves crush efficiency, makes raw material meet the requirements of particle size fast; (2) use vacuum deairing machine, feed components is distributed and is tending towards even, structure comparison is fine and close, and plasticity and the dry tenacity of pug all increase; (3) make shaping filler moisture content be less than 3% by low temperature drying, significantly shortened and energy consumption reduction the firing time; (4) use electric field-activate hot pressing auxiliary combustion stove sintering, power consumption is inefficient high, obtained that filling intensity is high; (5) due to filling surface spraying 1Cr13 coating, the corrosion resistance of filler and intensity are improved further; (6) owing to coating again fine aluminium coating outside 1Cr13 coating, and carried out pre-oxidation, made surface create fine and close oxide-film, by the combination of two layers of coatings, the corrosion-and high-temp-resistant performance of filler is improved further.
Detailed description of the invention
Embodiment
The processing method of a kind of corrosion-resistant filling of the present embodiment, comprises the following steps:
(1) prepare burden: in the raw material of described ceramic packing, the parts by weight of each component are: tungsten carbide 4-5 part, Zn2-3 part, montmorillonite 7-8 part, kaolin 20-25 part, AlN powder 4-5 part, wollastonite 6-8 part, diopside 6-8 part, anti-aging agent RD 5-6 part and clay 38-42 part;
(2) pulverize: use pulverizer to be pulverized respectively by above-mentioned raw material, after pulverizing, the particle diameter of raw material is between 15mm-18mm;
(3) mixing and ball milling: raw material is put into mixing and ball milling instrument by described parts by weight and carries out mixing and ball milling, after mixing and ball milling, the particle diameter of raw material is between 2000-4500 order;
(4) add water: add water the raw material after mixing and ball milling mixing, and after adding water, moisture content of raw material is 20%-24%;
(5) pugging: the raw material after adding water is put into vacuum deairing machine and carries out pugging, vacuum is 0.05-0.06Mpa;
(6) shaping: to use mould to be pressed into granular filler shape;
(7) low temperature drying: the granular filler feeding low-temperature drier after shaping is carried out low temperature drying, and control baking temperature is 85-90 DEG C, is dried to shaping filler moisture content and is less than 3%;
(8) kiln is entered: the filler after shaping is sent into tunnel cave;
(9) fire: electric field-activate hot pressing auxiliary combustion stove sinters;
(10) first time spraying: adopt Ultrasonic Arc Sprayed 1Cr13 coating, 1Cr13 coating spraying thickness is 50 ± 50 μm;
(11) second time spraying: adopt Ultrasonic Arc Sprayed fine aluminium coating, fine aluminium coating spraying thickness is 300 ± 50 μm;
(12) pre-oxidation: spraying terminates rear use oxyacetylene torch to the pre-oxidation of fine aluminium coating surface.。
Because raw material plasticity is good, when described step (6) is shaping, raw material can be pressed into Raschig ring, cascade ring or Bauer ring-type.
The present invention is not limited to above-described embodiment.All employings are equal to the technical scheme of replacing and being formed, and all drop on the protection domain of application claims.
Claims (1)
1. a processing method for corrosion-resistant filling, is characterized in that comprising the following steps:
(1) prepare burden: in the raw material of described ceramic packing, the parts by weight of each component are: tungsten carbide 4-5 part, Zn2-3 part, montmorillonite 7-8 part, kaolin 20-25 part, AlN powder 4-5 part, wollastonite 6-8 part, diopside 6-8 part, anti-aging agent RD 5-6 part and clay 38-42 part;
(2) pulverize: use pulverizer to be pulverized respectively by above-mentioned raw material, after pulverizing, the particle diameter of raw material is between 15mm-18mm;
(3) mixing and ball milling: raw material is put into mixing and ball milling instrument by described parts by weight and carries out mixing and ball milling, after mixing and ball milling, the particle diameter of raw material is between 2000-4500 order;
(4) add water: add water the raw material after mixing and ball milling mixing, and after adding water, moisture content of raw material is 20%-24%;
(5) pugging: the raw material after adding water is put into vacuum deairing machine and carries out pugging, vacuum is 0.05-0.06Mpa;
(6) shaping: to use mould to be pressed into granular filler shape;
(7) low temperature drying: the granular filler feeding low-temperature drier after shaping is carried out low temperature drying, and control baking temperature is 85-90 DEG C, is dried to shaping filler moisture content and is less than 3%;
(8) kiln is entered: the filler after shaping is sent into tunnel cave;
(9) fire: electric field-activate hot pressing auxiliary combustion stove sinters;
(10) first time spraying: adopt Ultrasonic Arc Sprayed 1Cr13 coating, 1Cr13 coating spraying thickness is 50 ± 50 μm;
(11) second time spraying: adopt Ultrasonic Arc Sprayed fine aluminium coating, fine aluminium coating spraying thickness is 300 ± 50 μm;
(12) pre-oxidation: spraying terminates rear use oxyacetylene torch to the pre-oxidation of fine aluminium coating surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510383839.2A CN104959104B (en) | 2015-07-03 | 2015-07-03 | A kind of processing method of corrosion-resistant filling |
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| CN201510383839.2A CN104959104B (en) | 2015-07-03 | 2015-07-03 | A kind of processing method of corrosion-resistant filling |
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| CN104959104A true CN104959104A (en) | 2015-10-07 |
| CN104959104B CN104959104B (en) | 2017-07-04 |
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| CN201510383839.2A Active CN104959104B (en) | 2015-07-03 | 2015-07-03 | A kind of processing method of corrosion-resistant filling |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512917A (en) * | 2016-12-15 | 2017-03-22 | 苏州富艾姆工业设备有限公司 | Particle filler production process |
| CN106630962A (en) * | 2016-12-15 | 2017-05-10 | 苏州富艾姆工业设备有限公司 | Corrosion-resistant filler production process |
| CN106747287A (en) * | 2016-12-15 | 2017-05-31 | 苏州富艾姆工业设备有限公司 | A kind of production technology of ceramic packing |
| CN106756576A (en) * | 2016-12-14 | 2017-05-31 | 苏州富艾姆工业设备有限公司 | A kind of production technology of automobile engine exhaust system support |
| CN106732392A (en) * | 2016-12-05 | 2017-05-31 | 郑州丽福爱生物技术有限公司 | A kind of modified grammite and its preparation method and application |
| CN107020065A (en) * | 2017-06-15 | 2017-08-08 | 江西省萍乡市方上化工填料有限责任公司 | Saqima Shi Tanei carriers |
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| CN1536031A (en) * | 2003-04-11 | 2004-10-13 | 陈书怡 | Polycrystalline state composite and its preparation method |
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| CN103540045A (en) * | 2013-09-18 | 2014-01-29 | 天长市富达电子有限公司 | High-tensile power cord sheath material and preparation method thereof |
| CN103540043A (en) * | 2013-09-18 | 2014-01-29 | 天长市富达电子有限公司 | Low temperature resistant high elasticity chlorinated polyethylene power line jacket material as well as preparation method thereof |
| CN103642181A (en) * | 2013-12-13 | 2014-03-19 | 山东汇盈新材料科技有限公司 | Cast film with high water vapor permeability |
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| WO2004018546A1 (en) * | 2002-08-22 | 2004-03-04 | Degussa Ag | Composition acting as coupling agent for filled and peroxidically crosslinking rubber compounds |
| CN1536031A (en) * | 2003-04-11 | 2004-10-13 | 陈书怡 | Polycrystalline state composite and its preparation method |
| WO2009137627A1 (en) * | 2008-05-07 | 2009-11-12 | Sabic Innovative Plastics Ip B.V. | Polymer compositions, method of manufacture, and articles formed therefrom |
| CN103540045A (en) * | 2013-09-18 | 2014-01-29 | 天长市富达电子有限公司 | High-tensile power cord sheath material and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106732392A (en) * | 2016-12-05 | 2017-05-31 | 郑州丽福爱生物技术有限公司 | A kind of modified grammite and its preparation method and application |
| CN106756576A (en) * | 2016-12-14 | 2017-05-31 | 苏州富艾姆工业设备有限公司 | A kind of production technology of automobile engine exhaust system support |
| CN106512917A (en) * | 2016-12-15 | 2017-03-22 | 苏州富艾姆工业设备有限公司 | Particle filler production process |
| CN106630962A (en) * | 2016-12-15 | 2017-05-10 | 苏州富艾姆工业设备有限公司 | Corrosion-resistant filler production process |
| CN106747287A (en) * | 2016-12-15 | 2017-05-31 | 苏州富艾姆工业设备有限公司 | A kind of production technology of ceramic packing |
| CN107020065A (en) * | 2017-06-15 | 2017-08-08 | 江西省萍乡市方上化工填料有限责任公司 | Saqima Shi Tanei carriers |
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| Publication number | Publication date |
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| CN104959104B (en) | 2017-07-04 |
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Address after: 215156 No. 5368 Wuzhong Avenue, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Suzhou Cody environmental Formosa Petrochemical Co Address before: 215156 Yuehu Road, Mashe Village, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: Kedi Petro-Chemical Engineering Co., Ltd., Suzhou |
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