CN104444378A - Surface modification machine suitable for conducting continuous operation on light inorganic powder - Google Patents
Surface modification machine suitable for conducting continuous operation on light inorganic powder Download PDFInfo
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- CN104444378A CN104444378A CN201410520026.9A CN201410520026A CN104444378A CN 104444378 A CN104444378 A CN 104444378A CN 201410520026 A CN201410520026 A CN 201410520026A CN 104444378 A CN104444378 A CN 104444378A
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- 239000000843 powder Substances 0.000 title claims abstract description 132
- 238000012986 modification Methods 0.000 title claims abstract description 44
- 230000004048 modification Effects 0.000 title claims abstract description 44
- 238000001035 drying Methods 0.000 claims abstract description 31
- 239000003814 drug Substances 0.000 claims abstract description 28
- 238000001704 evaporation Methods 0.000 claims abstract description 27
- 230000008020 evaporation Effects 0.000 claims abstract description 27
- 238000000889 atomisation Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims description 28
- 238000007781 pre-processing Methods 0.000 claims description 12
- 208000016261 weight loss Diseases 0.000 claims description 12
- 230000004580 weight loss Effects 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000008187 granular material Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 11
- 238000003756 stirring Methods 0.000 abstract description 4
- 229940079593 drug Drugs 0.000 abstract 2
- 238000002203 pretreatment Methods 0.000 abstract 2
- 229910052755 nonmetal Inorganic materials 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000003607 modifier Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000005243 fluidization Methods 0.000 description 4
- 239000010954 inorganic particle Substances 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241000233805 Phoenix Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000011165 process development Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Abstract
The invention discloses a surface modification machine suitable for conducting continuous operation on light inorganic powder. The surface modification machine is composed of a powder feeding metering part, a powder pre-treatment part, an atomizing and covering part, a covering, drying and disaggregating part, a collecting part and a PLC control system. The powder feeding metering part is composed of a hopper (1), a pneumatic gate valve (2) and a weightless type feeding machine (3). The powder pre-treatment part is composed of an upper feed port (4), a heating oil pipe (5), a rod pin roller (6), a cylinder (7) and a lower discharge port (8). The atomizing and covering part is formed by combining a powder flow diversion cone (9), a drug nozzle (10) and an atomization chamber (11). The covering, drying and disaggregating part is composed of a powder pushing spiral (12), stirring blades (13) and an evaporation drying tower (14). Operation of the whole system is controlled by a PLC. By the adoption of the surface modification machine, the water content of powder can be effectively controlled, the modification effect is good, the single powder is uniformly covered with drugs, and the machine can be used for conducting surface modification in continuous operation on nonmetal powder materials, especially light powder materials.
Description
Technical field
The present invention relates to a kind of Surface Modification of Inorganic Powder equipment, can be used for the surface modification of various inorganic particle, be particularly suitable for carrying out continous way surface modification to light-weight inorganic powder.
Background technology
Surface modification is one of gordian technique optimizing inorganic powder material performance.The object of powder surface modification is by processing powder surface, on purpose change the physicochemical property of powder surface, thus improve or improve the application performance of powder body material and functional, to meet the needs of new material, up-to-date technology and new process development, powder surface modification plays vital effect to the application performance and value that improve inorganic particle.
The research and development of China's Surface Modification of Inorganic Powder technology start from the eighties in 20th century.After the nineties in 20th century, due to the fast development of the related industries such as plastics, rubber, coating, the research and development of Chinese Surface Modification of Inorganic Powder technology and application speed are accelerated, and start the research and development being exclusively used in surface modifying apparatus in late 1990s.Since 2000, make remarkable progress with the Surface Modification of Inorganic Powder technology that surface modification formula, technique, equipment are representative, reduced further with the gap of industrially developed country.
The principal element affecting the surface modification effect of inorganic particle has: the surface nature of powder, the kind of modifier and consumption, modified technique and surface modifying apparatus.Wherein surface modifying apparatus is the key factor realizing powder surface modification effect, the quality of surface modifying apparatus directly affects the homogeneity that powder mixes with improved chemical, and whether improved chemical carries out at powder surface that evenly coated to reach unimolecule absorption directly related with the performance of surface modifying apparatus.Modified device with fashion can improve the adsorption affinity of medicament and powder surface, obviously promotes the surface modification effect of powder.
At present, the powder surface modification device category of China is a lot, such as high-speed mixer, high-speed impact powder surface modifier, PSC type powder surface modifier, horizontal paddle mixer, fluidization bed modifying machine etc., but these equipment are borrowed from chemical machinery mostly, there are many serious problems, the subject matter that these equipment exists is:
1. majority is step, and existence yields poorly, and energy consumption is large, and labor strength is high; Existing continuous equipment medicament sprinkling is uneven, modified effect is poor, and parameter is wayward, easily causes the problems such as environmental pollution, and fault rate is high.
2. heat up slow, modification time is long, and modifier consumption is large, and modified effect is poor.
3. comparatively speaking, highly coldly stir that unit price is low, durable, easy to operate, modified effect is good.
4., compared with overseas equipment, gap is obvious, is mainly manifested in continuity and modified effect aspect.
The special sharp CN2550367 of China discloses a kind of powder surface modifier continuously.It comprises frame, the modification cylinder be installed in frame, the charging and discharging mouth be arranged on modification cylinder, the main shaft be installed in modification cylinder, be connected to the rotor on main shaft and be connected to the stator of corresponding position on modification cylinder internal face, and main shaft is connected with engine installation.Modification is formed by connecting by multiple modification chamber, and each modification chamber communicates, and is provided with main shaft in each modification chamber, and charging and discharging mouth is divided on first and a modification chamber, end.But the function singleness of powder surface modifier continuously, complex art weak effect.
Summary of the invention
Object of the present invention is exactly for inorganic powder material, the features such as density is little, particle is little, face area greatly, easily flies upward, and provide that a kind of aqueous ingredients, modified effect that effectively can control powder is good, medicament is to the coated surface modification machine being suitable for carrying out light-weight inorganic powder continuous working uniformly of monomer powder.
For realizing above-mentioned purpose of the present invention, a kind of being suitable for of the present invention carries out the surface modification machine of continuous working by the following technical solutions to light-weight inorganic powder:
The present invention is a kind of is suitable for surface modification machine light-weight inorganic powder being carried out to continuous working, and it is made up of feed metering section, powder preprocessing part, atomization covered section, coated dry depolymerization portion, rewinding part, PLC control system organic assembling:
Described powder feed metering section is made up of hopper, pneumatic gate valve, weight-loss type feeding machine, and the middle pipeline that adopts connects, pneumatic gate valve between hopper and weight-loss type feeding machine; Weight-loss type feeding machine feeds powder preprocessing part with can ensureing powder material continuous uniform.
Described powder preprocessing part is made up of upper feeding mouth, heating oil pipe, excellent pin roll, cylinder, lower discharge port, and described cylinder is double-layer barrel structure, and heating oil pipe is arranged in the double-decker of cylinder, and excellent pin roll is arranged in cylinder; The top of upper feeding mouth is connected with the discharging opening of weight-loss type feeding machine, bottom and the cylinder of upper feeding mouth) side upper feed inlet be connected, the opposite side bottom of cylinder is provided with lower discharge port.Cylinder is installed with the concentric level of excellent pin roll, ensures there is certain distance between cylinder and excellent pin roll, obtains good fluidisation under can making the rotation of powder material rod pin roll.The double-layer barrel structure that heating oil pipe is evenly centered around cylinder is interior to the heating of cylinder interior powder.
Described atomization covered section is combined formed by powder spreader, medicament nozzle, spray chamber, and powder spreader is positioned at the top of spray chamber, and medicament nozzle is arranged on the center of powder spreader; The inlet point of spray chamber is communicated with the lower discharge port of powder preprocessing part; Powder enters spray chamber warp, and powder spreader makes powder be that 360 DEG C of even drop down contact fully with the atomized drop that medicament nozzle is formed, and makes powder surface cover the medicament film of one deck liquid state;
Described coated dry depolymerization portion advances spiral, paddle, evaporation drying tower to form by powder, powder advances the inlet point of spiral to be communicated with the bottom discharging opening of the spray chamber of atomization covered section, powder advances the discharging opening of spiral to be communicated with the inlet point of evaporation drying tower, paddle is positioned at the bottom of evaporation drying tower, and the side of installing paddle part at evaporation drying tower is provided with hot wind inlet; Powder feeds in evaporation drying tower from spray chamber by advancing spiral, the powder depolymerization that evaporation drying tower bottom has stirring blade will reunite.The hot air that combustion furnace provides enters into cylindrical evaporation drying tower with tangential direction, and powder granule rises to evaporation drying top of tower with swirling eddy, and drying completely particle enters rewinding part with air-flow.
Described rewinding part is connected and composed by pipeline, cloth bag catcher, Blowing stopper, induced draft fan, and the import of pipeline is connected with the upper part discharge port of evaporation drying tower, and the outlet of pipeline is connected with cloth bag catcher.Induced draft fan can ensure that whole system is in micro-vacuum state, and evaporation drying tower inner drying powder enters cloth bag catcher with air-flow and collects, and then completes continuous discharge by Blowing stopper.
Described PLC control system can complete the accurate proportioning of powder and medicament, controls each cell process temperature, the vacuum magnitude in adjustment System, reduces the operate miss of surface modification, and reaches and control powder surface moisture, realizes good man-machine communication.
The optimizing structure design of described spray chamber is: it is combined by top cone, bottom cone to form, and powder spreader is positioned at the center of the top cone of spray chamber, and the inlet point of spray chamber is the passage between the top cone of spray chamber and powder spreader.
The present invention is a kind of be suitable for that above technical scheme is adopted to the surface modification machine that light-weight inorganic powder carries out continuous working after, there is following good effect:
(1) the technical solution used in the present invention is by improving powder monomer particle degree to powder pretreatment, adopts the mode of spraying that medicament is fully contacted with monomer powder, with reach coated evenly, the object of minimizing dosing.
(2) mode that the present invention adopts evaporation drying tower bottom to stir makes medicament and powder granule again fully coated, and the wet powder coated to medicament carries out depolymerization in case its dry bridge formation.
(3) by controlling speed and the temperature of negative-pressure air-flow in evaporation drying tower, effectively can control the aqueous ingredients of powder, reaching the numerical value of modified technique requirement.
(4) the present invention has structure simply, and operation accurately, conveniently, environmentally friendly, data intuitive display is detailed, can eliminate the data difference caused between different operating personnel.
Accompanying drawing explanation
Fig. 1 is a kind of surface modification machine cross sectional drawing being suitable for carrying out light-weight inorganic powder continuous working of the present invention;
Fig. 2 is the cross sectional drawing of the atomization covered section that the present invention adopts.
Detailed description of the invention
For further describing the present invention, below in conjunction with accompanying drawing, a kind of surface modification machine being suitable for carrying out light-weight inorganic powder continuous working of the present invention is described in further detail.
The present invention is as shown in Figure 1 a kind of to be suitable for carrying out the surface modification machine cross sectional drawing of continuous working to light-weight inorganic powder and composition graphs 2 is found out, it is made up of powder feed metering section, powder preprocessing part, atomization covered section, coated dry depolymerization portion, rewinding part, PLC control system and forms.
Described powder feed metering section is made up of hopper 1, pneumatic gate valve 2, weight-loss type feeding machine 3, the middle pipeline that adopts connects, pneumatic gate valve 2 is between hopper 1 and weight-loss type feeding machine 3, and powder material is fed powder preprocessing part by Weight loss feeder 3 by powder continuously;
Described powder preprocessing part is made up of upper feeding mouth 4, heating oil pipe 5, excellent pin roll 6, cylinder 7, lower discharge port 8, described cylinder 7 is double-layer barrel structure, the double-layer barrel structure that heating oil pipe is evenly centered around cylinder is interior to the heating of cylinder interior powder, rod pin roll is arranged in cylinder, cylinder is installed with the concentric level of excellent pin roll, to ensure there is certain distance between cylinder and excellent pin roll, under the rotation of powder material rod pin roll can be made, obtain good fluidisation.The top of upper feeding mouth 4 is connected with the discharging opening of weight-loss type feeding machine 3, and the bottom of upper feeding mouth 4 is connected with the side upper feed inlet of cylinder 7, and the opposite side bottom of cylinder 7 is provided with lower discharge port 8.Powder preprocessing part can control powder surface moisture according to technological requirement, and powder enters atomization covered section after pretreatment.
Described atomization covered section is combined formed by powder spreader 9, medicament nozzle 10, spray chamber 11, spray chamber 11 is combined by top cone, bottom cone to form, powder spreader 9 is arranged in the top cone in spray chamber 11, medicament nozzle 10 is positioned at the center of the top cone of spray chamber, the inlet point of spray chamber 11 is communicated with the lower discharge port 8 of powder preprocessing part, and the inlet point of spray chamber 11 is the passage between the top cone of spray chamber 11 and powder spreader 9.At atomization covered section, medicament contacts with powder surface fully with the form of atomized drop, makes powder surface cover the medicament film of one deck liquid state.The powder granule being capped aqueous medicament film enters into coated dry depolymerization portion.
Described coated dry depolymerization portion advances spiral 12, paddle 13, evaporation drying tower 14 to form by powder, powder advances the inlet point of spiral 12 to be communicated with the bottom discharging opening of the spray chamber 11 of atomization covered section, powder advances the discharging opening of spiral 12 to be communicated with the inlet point of evaporation drying tower 14, paddle 13 is positioned at the bottom of evaporation drying tower 14, and the side of installing paddle 13 part at evaporation drying tower 14 is provided with hot wind inlet; At coated dry depolymerization portion, material carries out depolymerization, the again technique such as coated, dry under the effect of hot blast and paddle 13.The powder that modification is good is collected by rewinding part below.
Described rewinding part is connected and composed by pipeline 15, cloth bag catcher 18, Blowing stopper 16, induced draft fan 17, and the import of pipeline 15 is connected with the upper part discharge port of evaporation drying tower 14, and the outlet of pipeline 15 is connected with cloth bag catcher 18.The operation of whole system is controlled by PLC, and PLC system can to automatically adjust medicament flow according to powder amount, medicament adding proportion, and carries out regulable control according to the parameter such as technological temperature, negative pressure of setting.
A kind of surface modification machine being suitable for carrying out light-weight inorganic powder continuous working of the present invention controls powder continuous uniform by Weight loss feeder 3 to feed subsequent processing, powder is by obtaining good fluidisation under the rotation of excellent pin roll 6, powder in heat-conducting oil pipes 5 heated barrel 7, under fluidized state, carry out particle surface moisture evaporation, and enter into spray chamber 11 uniformly when tiny structure; In spray chamber 11, powder spreader 9 makes powder be that 360 DEG C of even drop down contact fully with the atomized drop that medicament nozzle 10 is formed, and makes powder surface cover the medicament film of one deck liquid state.The powder granule being capped aqueous medicament film enters into evaporation drying tower 14 and carries out depolymerization, coated, dry again under the thrust advancing spiral 12, finally by cloth bag catcher 18, closes phoenix machine 16 and obtains the good powder of surface modification.
Claims (2)
1. be suitable for surface modification machine light-weight inorganic powder being carried out to continuous working, it is characterized in that being made up of powder feed metering section, powder preprocessing part, atomization covered section, coated dry depolymerization portion, rewinding part, PLC control system forming:
Described powder feed metering section is made up of hopper (1), pneumatic gate valve (2), weight-loss type feeding machine (3), and the middle pipeline that adopts connects, and pneumatic gate valve (2) is positioned between hopper (1) and weight-loss type feeding machine (3);
Described powder preprocessing part is made up of upper feeding mouth (4), heating oil pipe (5), excellent pin roll (6), cylinder (7), lower discharge port (8), described cylinder (7) is double-layer barrel structure, the double-layer barrel structure that heating oil pipe (5) is evenly centered around cylinder (7) is interior to the inner powder heating of cylinder (7), rod pin roll (6) is arranged in cylinder (7), and cylinder (7) is installed with excellent pin roll (6) concentric level; The top of upper feeding mouth (4) is connected with the discharging opening of weight-loss type feeding machine (3), and the bottom of upper feeding mouth (4) is connected with the side upper feed inlet of cylinder (7), and the opposite side bottom of cylinder (7) is provided with lower discharge port (8);
Described atomization covered section is combined formed by powder spreader (9), medicament nozzle (10), spray chamber (11), and powder spreader (9) is positioned at the top of spray chamber (11), and medicament nozzle (10) is arranged on the center of powder spreader (9); The inlet point of spray chamber (11) is communicated with the lower discharge port (8) of powder preprocessing part; Powder spreader (9) makes powder be that 360 DEG C of even drop down contact fully with the atomized drop that medicament nozzle (10) is formed, and makes powder surface cover the medicament film of one deck liquid state;
Described coated dry depolymerization portion advances spiral (12), paddle (13), evaporation drying tower (14) to form by powder, powder advances the inlet point of spiral (12) to be communicated with the bottom discharging opening of the spray chamber (11) of atomization covered section, powder advances the discharging opening of spiral (12) to be communicated with the inlet point of evaporation drying tower (14), paddle (13) is positioned at the bottom of evaporation drying tower (14), and the side of installing paddle (13) part at evaporation drying tower (14) is provided with hot wind inlet; The hot air that combustion furnace provides enters into cylindrical evaporation drying tower (14) with tangential direction, and powder granule rises to evaporation drying tower (14) top with swirling eddy, and drying completely particle enters rewinding part with air-flow;
Described rewinding part is connected and composed by pipeline (15), cloth bag catcher (18), Blowing stopper (16), induced draft fan (17), the import of pipeline (15) is connected with the upper part discharge port of evaporation drying tower (14), and the outlet of pipeline (15) is connected with cloth bag catcher (18);
PLC control system in order to controlling and adjustment powder and the accurate proportioning of medicament, each cell process temperature, intrasystem vacuum magnitude, and reaches and controls powder surface moisture, realizes man-machine communication.
2. be a kind ofly as claimed in claim 1 suitable for surface modification machine light-weight inorganic powder being carried out to continuous working, it is characterized in that: described spray chamber (11) is combined by top cone, bottom cone and forms, powder spreader (9) is positioned at the center of spray chamber (11) top cone, and the inlet point of spray chamber (11) is the passage between the top cone of spray chamber (11) and powder spreader (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410520026.9A CN104444378B (en) | 2014-10-08 | 2014-10-08 | A kind of surface modification machine being suitable to light-weight inorganic powder body is worked continuously |
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| CN201410520026.9A CN104444378B (en) | 2014-10-08 | 2014-10-08 | A kind of surface modification machine being suitable to light-weight inorganic powder body is worked continuously |
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| CN104444378A true CN104444378A (en) | 2015-03-25 |
| CN104444378B CN104444378B (en) | 2016-08-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435719A (en) * | 2015-11-26 | 2016-03-30 | 长沙高新开发区万华粉体设备有限公司 | Powder surface modification and depolymerization machine and modification method adopting same |
| CN105855015A (en) * | 2016-03-31 | 2016-08-17 | 龙岩市山和机械制造有限公司 | Depolymerization process and device for nano-powder |
| CN107671302A (en) * | 2017-10-31 | 2018-02-09 | 广州番禺职业技术学院 | A kind of shotting shunting collector and method |
| CN109420453A (en) * | 2017-08-24 | 2019-03-05 | 贵州紫云月华新材料有限公司 | A kind of continous way powdered whiting reforming system |
| CN114471347A (en) * | 2022-01-29 | 2022-05-13 | 浙江汉信科技有限公司 | Mixing equipment and discharging device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105435719A (en) * | 2015-11-26 | 2016-03-30 | 长沙高新开发区万华粉体设备有限公司 | Powder surface modification and depolymerization machine and modification method adopting same |
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| CN109420453A (en) * | 2017-08-24 | 2019-03-05 | 贵州紫云月华新材料有限公司 | A kind of continous way powdered whiting reforming system |
| CN107671302A (en) * | 2017-10-31 | 2018-02-09 | 广州番禺职业技术学院 | A kind of shotting shunting collector and method |
| CN114471347A (en) * | 2022-01-29 | 2022-05-13 | 浙江汉信科技有限公司 | Mixing equipment and discharging device thereof |
| CN114471347B (en) * | 2022-01-29 | 2023-07-18 | 浙江汉信科技有限公司 | Mixing equipment and blanking device thereof |
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| CN104444378B (en) | 2016-08-24 |
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Address after: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666 Patentee after: MAANSHAN Mine Research Institute Co.,Ltd. Patentee after: SINOSTEEL MAANSHAN NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 243000 No. 666, Xitang Road, Ma'anshan economic and Technological Development Zone, Anhui, China Patentee before: SINOSTEEL MAANSHAN INSTITUTE OF MINING RESEARCH Co.,Ltd. Patentee before: SINOSTEEL MAANSHAN NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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