CN101928007A - Magnesium-silicide spiral cooling device - Google Patents

Magnesium-silicide spiral cooling device Download PDF

Info

Publication number
CN101928007A
CN101928007A CN2010102797180A CN201010279718A CN101928007A CN 101928007 A CN101928007 A CN 101928007A CN 2010102797180 A CN2010102797180 A CN 2010102797180A CN 201010279718 A CN201010279718 A CN 201010279718A CN 101928007 A CN101928007 A CN 101928007A
Authority
CN
China
Prior art keywords
cooling water
jecket
level
main body
magnesium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2010102797180A
Other languages
Chinese (zh)
Other versions
CN101928007B (en
Inventor
梁正
徐泽夕
周晓燕
王采蓓
刘明亮
林玉克
林永兴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG ZHONGFU GUINENG CO Ltd
NINGBO ENGINEERING Co LTD SECOND DESIGN INSTITUTE OF CHEMICAL INDUSTRY
Original Assignee
ZHEJIANG ZHONGFU GUINENG CO Ltd
NINGBO ENGINEERING Co LTD SECOND DESIGN INSTITUTE OF CHEMICAL INDUSTRY
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHEJIANG ZHONGFU GUINENG CO Ltd, NINGBO ENGINEERING Co LTD SECOND DESIGN INSTITUTE OF CHEMICAL INDUSTRY filed Critical ZHEJIANG ZHONGFU GUINENG CO Ltd
Priority to CN 201010279718 priority Critical patent/CN101928007B/en
Publication of CN101928007A publication Critical patent/CN101928007A/en
Application granted granted Critical
Publication of CN101928007B publication Critical patent/CN101928007B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Silicon Compounds (AREA)

Abstract

The invention discloses a magnesium-silicide spiral cooling device. The magnesium-silicide spiral cooling device comprises a motor, a cooler and a spiral propeller arranged in the cooler, wherein the spiral propeller mainly comprises a hollow shaft and spiral blades arranged on the hollow shaft; a cooling water introduction pipe is arranged in the hollow shaft; a cooling water return channel is formed in a gap between the inner wall of the hollow shaft and the outer wall of the cooling water introduction pipe; the first end of the cooling water return channel is connected with a cooling water delivery pipe; and a front end cylinder, a multi-level cooling water jacket and a tail end cylinder are arranged outside the cooler from the second end to the first end of the cooler in turn. The magnesium-silicide spiral cooling device has the advantages that: due to the combination of the spiral propeller and the cooler, continuous cooling of high-temperature magnesium silicide powder can be realized, and continuous synthesis of magnesium silicide is facilitated; and the high-temperature magnesium silicide powder moves forward with the turnover of the spiral propeller, and therefore the heat transfer is enhanced, the cooling of the magnesium silicide powder is uniform, the cooling rate is stable and a mild expansion condition is provided so as to ensure the reaction activity of the magnesium silicide and prevent the cooled magnesium silicide from caking.

Description

A kind of magnesium-silicide spiral cooling device
Technical field
The present invention relates to a kind of cooling apparatus that is used for the cooling down high-temperature magnesium silicide, especially relate to a kind of magnesium-silicide spiral cooling device.
Background technology
Magnesium silicide is a kind of important industrial raw material, it is widely used in preparing silane gas, polysilicon, amorphous silicon membrane, stupalith and siliceous nanometer powder etc., and semi-conductor microelectronics production, solar cell production etc. are had more and more important effect.Exploitation is efficient, the industrial synthesis of high quality and less energy-consumption is the developing direction of magnesium silicide technology.
In preparation magnesium silicide process, the silicon reactive magnesium is a strong exothermal reaction, and the magnesium silicide temperature of generation for helping following process, needs it is cooled off about 500 ℃.Traditional intermittent reaction mode of production is after the silicon reactive magnesium finishes, and make the reactor naturally cooling, thereby reach the purpose of cooling magnesium silicide, but the cooling efficiency of this method of cooling is very low.
Summary of the invention
Technical problem to be solved by this invention provides a kind of cooling efficiency height, and the magnesium-silicide spiral cooling device that cooled magnesium silicide does not lump, quality is high.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of magnesium-silicide spiral cooling device, it is characterized in that comprising motor, water cooler and spiral propeller, described spiral propeller is arranged in the described water cooler, described spiral propeller mainly is made up of tubular shaft and the screw-blade that is arranged on the described tubular shaft, be provided with the blind plate that is connected with the inwall of described tubular shaft in the described tubular shaft, be provided with the water coolant ingress pipe in the described tubular shaft, first end of described water coolant ingress pipe is positioned at outside first end of described tubular shaft, second end of described water coolant ingress pipe does not contact near described blind plate and with described blind plate, gap between the outer wall of the inwall of described tubular shaft and described water coolant ingress pipe constitutes water coolant backhaul passage, first end of described water coolant backhaul passage is connected with the water coolant delivery line, second end of described tubular shaft is connected with described motor, and outer the setting gradually from its second end to the first end of described water cooler is useful on the front end tube that the charging of high temperature silication magnesium dust is provided in described water cooler, be used for high temperature silication magnesium dust is carried out the multistage cooling water jecket of refrigerative piecemeal and is used to export the terminal tube of low temperature silication magnesium dust discharging.
Described water cooler is outside equipped with the described cooling water jecket of level Four, is respectively one-level cooling water jecket, secondary cooling water jecket, three grades of cooling water jeckets and level Four cooling water jecket.
The position of described blind plate is corresponding with the position of second end of described one-level cooling water jecket.
First end near described water cooler in the described terminal tube is provided with the shredding unit that is used to pulverize the magnesium silicide powder.
Described front end tube comprises the charging adapter mouth that is arranged at the outer front end tube main body of described water cooler and is arranged at the top of described front end tube main body and is connected with described water cooler; The one-level water coolant delivery line that described one-level cooling water jecket comprises one-level cooling water jecket main body, be arranged at the below of described one-level cooling water jecket main body and the one-level water coolant ingress pipe that is connected with described one-level cooling water jecket main body and the top that is arranged at described one-level cooling water jecket main body and be connected with described one-level cooling water jecket main body; The secondary water coolant delivery line that described secondary cooling water jecket comprises secondary cooling water jecket main body, be arranged at the below of described secondary cooling water jecket main body and the secondary water coolant ingress pipe that is connected with described secondary cooling water jecket main body and the top that is arranged at described secondary cooling water jecket main body and be connected with described secondary cooling water jecket main body; Three grades of water coolant delivery lines that described three grades of cooling water jeckets comprise three grades of cooling water jecket main bodys, be arranged at the below of described three grades of cooling water jecket main bodys and three grades of water coolant ingress pipes that are connected with described three grades of cooling water jecket main bodys and the top that is arranged at described three grades of cooling water jecket main bodys and be connected with described three grades of cooling water jecket main bodys; The level Four water coolant delivery line that described level Four cooling water jecket comprises level Four cooling water jecket main body, be arranged at the below of described level Four cooling water jecket main body and the level Four water coolant ingress pipe that is connected with described level Four cooling water jecket main body and the top that is arranged at described level Four cooling water jecket main body and be connected with described level Four cooling water jecket main body; Described terminal tube comprises the end tube main body that is arranged at outside the described water cooler and is arranged at the below of a described terminal main body and the discharge barrel that is connected with described water cooler.
First end of described water cooler is connected with the shielding gas ingress pipe that is connected with described water cooler and is used to import shielding gas; the position of described shielding gas ingress pipe is corresponding with the position of described terminal tube; second end of described water cooler is connected with the shielding gas delivery line that is connected with described water cooler and is used to derive shielding gas, and the position of described shielding gas delivery line is between described front end tube and described one-level cooling water jecket.
Described shielding gas is argon gas or hydrogen.
Be connected with the temperature tube that a plurality of and described water cooler is connected on the described water cooler, described temperature tube is connected with the thermometer of the temperature that is used to measure the magnesium silicide powder in the described water cooler, and the position of each described temperature tube lays respectively at the rear, position of described one-level cooling water jecket, described secondary cooling water jecket, described three grades of cooling water jeckets and described level Four cooling water jecket.
Compared with prior art, the invention has the advantages that:
1), by in conjunction with spiral propeller and water cooler, can realize the continuous cooling of high temperature silication magnesium dust, and the cooling efficiency height, help to realize the synthetic continuously of magnesium silicide, thereby can effectively realize the scale operation of silane by magnesium silicide method;
2), high temperature silication magnesium dust advances under the stirring of spiral propeller, strengthened heat transfer, makes the cooling of magnesium silicide powder evenly, cooling rate is steady, gentle expansion condition is provided effectively, thereby has guaranteed the reactive behavior of magnesium silicide, made that cooled magnesium silicide does not lump, the quality height;
3), by in water cooler, charging into shielding gas (rare gas element), with secluding air, reach protection high temperature silication magnesium dust and do not contact with air, guarantee its purpose of safety;
4), by a water coolant ingress pipe is set in tubular shaft, in the water coolant ingress pipe, feed the mobile water coolant, can guarantee that tubular shaft is in lower temperature environment, thereby effectively guarantee the normal operation of spiral propeller;
5), by adopting the multistage cooling water jecket of refrigerative piecemeal, high temperature silication magnesium dust is cooled off indirectly, avoided using expensive rare gas element directly to cool off the magnesium silicide powder;
6), by being provided with the shredding unit that is used to pulverize the magnesium silicide powder in the tube endways, effectively guaranteed the epigranular of magnesium silicide, what help that follow-up silane reacts effectively carries out.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention;
Fig. 2 is a partial cutaway schematic of the present invention;
Fig. 3 is that the A-A of Fig. 1 is to diagrammatic cross-section.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
A kind of magnesium-silicide spiral cooling device that the present invention proposes, as shown in the figure, it comprises motor 1, water cooler 2 and spiral propeller 3, spiral propeller 3 is arranged in the water cooler 2, spiral propeller 3 mainly is made up of tubular shaft 3-1 and the screw-blade 3-2 that is arranged on the tubular shaft 3-1, be provided with the blind plate (not shown) that is connected with the inwall of tubular shaft 3-1 in the tubular shaft 3-1, be provided with water coolant ingress pipe 3-3 in the tubular shaft 3-1, first end of water coolant ingress pipe 3-3 is positioned at outside first end of tubular shaft 3-1, second end of water coolant ingress pipe 3-3 does not contact near blind plate and with blind plate, gap between the outer wall of the inwall of tubular shaft 3-1 and water coolant ingress pipe 3-3 constitutes water coolant backhaul passage 3-5, first end of water coolant backhaul passage 3-5 is connected with water coolant delivery line 3-4, second end of tubular shaft 3-1 is connected with motor 1, water cooler 2 outer setting gradually from its second end to the first end are useful on the front end tube 4 that the charging of high temperature silication magnesium dust is provided in water cooler 2, be used for high temperature silication magnesium dust is carried out refrigerative level Four cooling water jecket piecemeal and is used to export the terminal tube 9 of low temperature silication magnesium dust discharging, the level Four cooling jacket is respectively one-level cooling water jecket 5, secondary cooling water jecket 6, three grades of cooling water jeckets 7 and level Four cooling water jecket 8, the position of blind plate is corresponding with the position of second end of one-level cooling water jecket 5.
In this specific embodiment, first end near water cooler 2 is provided with the shredding unit 9-9 that is used to pulverize the magnesium silicide powder in the tube 9 endways, and shredding unit 9-9 adopts prior art, as adopts existing electronic crusher.
In this specific embodiment, front end tube 4 comprises that being sheathed on water cooler 2 outer front end tube main body 4-1 takes over a mouthful 4-2 with the charging that is arranged at the top of front end tube main body 4-1 and is connected with water cooler 2; The one-level water coolant delivery line 5-3 that one-level cooling water jecket 5 comprises one-level cooling water jecket main body 5-1, be arranged at the below of one-level cooling water jecket main body 5-1 and the one-level water coolant ingress pipe 5-2 that is connected with one-level cooling water jecket main body 5-1 and the top that is arranged at one-level cooling water jecket main body 5-1 and be connected with one-level cooling water jecket main body 5-1; The secondary water coolant delivery line 6-3 that secondary cooling water jecket 6 comprises secondary cooling water jecket main body 6-1, be arranged at the below of secondary cooling water jecket main body 6-1 and the secondary water coolant ingress pipe 6-2 that is connected with secondary cooling water jecket main body 6-1 and the top that is arranged at secondary cooling water jecket main body 6-1 and be connected with secondary cooling water jecket main body 6-1; Three grades of water coolant delivery line 7-3 that three grades of cooling water jeckets 7 comprise three grades of cooling water jecket main body 7-1, be arranged at the below of three grades of cooling water jecket main body 7-1 and three grades of water coolant ingress pipe 7-2 that are connected with three grades of cooling water jecket main body 7-1 and the top that is arranged at three grades of cooling water jecket main body 7-1 and be connected with three grades of cooling water jecket main body 7-1; The level Four water coolant delivery line 8-3 that level Four cooling water jecket 8 comprises level Four cooling water jecket main body 8-1, be arranged at the below of level Four cooling water jecket main body 8-1 and the level Four water coolant ingress pipe 8-2 that is connected with level Four cooling water jecket main body 8-1 and the top that is arranged at level Four cooling water jecket main body 8-1 and be connected with level Four cooling water jecket main body 8-1; Terminal tube 9 comprises the terminal main body 9-1 that is arranged at outside the water cooler 2 and is arranged at the below of terminal main body 9-1 and the discharge barrel 9-2 that is connected with water cooler 2.
In this specific embodiment; first end of water cooler 2 is connected with the shielding gas ingress pipe 2-1 that is connected with water cooler 2 and is used to import shielding gas; the position of shielding gas ingress pipe 2-1 is corresponding with the position of terminal tube 9; second end of water cooler 2 is connected with the shielding gas delivery line 2-2 that is connected with water cooler 2 and is used to derive shielding gas, and the position of shielding gas delivery line 2-2 is between front end tube 4 and one-level cooling water jecket 5.Feed shielding gas (rare gas element) continuously by shielding gas ingress pipe 2-1, not only play the function of removing the part heat, and can effectively discharge and secluding air, guarantee no air in the water cooler, thereby guaranteed the safety of magnesium silicide powder.At this, shielding gas can adopt argon gas or hydrogen.Can certainly it be worked under vacuum state by whole device is vacuumized, but the bleed possibility of whole device of air is just arranged like this, very high to the requirement meeting of whole device.
In this specific embodiment, be connected with four temperature tube T1~T4 that are connected with water cooler 2 on the water cooler 2, each temperature tube is connected with the thermometer of the temperature that is used to measure the magnesium silicide powder in the water cooler, and the position of each temperature tube lays respectively at the rear, position of one-level cooling water jecket 5, secondary cooling water jecket 6, three grades of cooling water jeckets 7 and level Four cooling water jecket 8.This refrigerating unit is supervised refrigerative temperature at different levels by thermometer, and purpose is too fast in order to prevent to cool off, and guarantees magnesium silicide powder Su Song.
At this, can fixed support 19 be set at water cooler 2, be used to support this refrigerating unit.
Working process of the present invention is: the charging of front end tube is taken over mouth and is accepted the high temperature silication magnesium dust that the magnesium silicide reaction unit generates, high temperature silication magnesium dust is taken over mouth by charging and is entered in the water cooler, the spiral propeller promotion magnesium silicide powder that is arranged in the water cooler advances to first end of water cooler from second end of water cooler, when the magnesium silicide powder advances to the position of one-level cooling water jecket correspondence, the one-level cooling water jecket imports water coolant by its one-level water coolant ingress pipe the magnesium silicide powder is cooled to about 350 ℃ in one-level cooling water jecket main body, when the magnesium silicide powder advances to the position of secondary cooling water jecket correspondence, the secondary cooling water jecket imports water coolant by its secondary water coolant ingress pipe the magnesium silicide powder is cooled to about 230 ℃ in secondary cooling water jecket main body, when the magnesium silicide powder advances to the position of three grades of cooling water jecket correspondences, three grades of cooling water jeckets import water coolant by its three grades of water coolant ingress pipes the magnesium silicide powder are cooled to about 150 ℃ in three grades of cooling water jecket main bodys, when the magnesium silicide powder advances to the position of level Four cooling water jecket correspondence, the level Four cooling water jecket imports water coolant by its level Four water coolant ingress pipe the magnesium silicide powder is cooled to about 100 ℃ in level Four cooling water jecket main body, when the magnesium silicide powder advances to the position of terminal tube, shredding unit carries out further thinning processing to the magnesium silicide powder, and by discharge barrel output low temperature silication magnesium dust.The high temperature magnesium silicide by the cooling water jeckets at different levels of this refrigerating unit after its temperature lowered by segmentation, effectively guaranteed the quality of cooling performance, cooling efficiency and cooling back magnesium silicide powder.

Claims (8)

1. magnesium-silicide spiral cooling device, it is characterized in that comprising motor, water cooler and spiral propeller, described spiral propeller is arranged in the described water cooler, described spiral propeller mainly is made up of tubular shaft and the screw-blade that is arranged on the described tubular shaft, be provided with the blind plate that is connected with the inwall of described tubular shaft in the described tubular shaft, be provided with the water coolant ingress pipe in the described tubular shaft, first end of described water coolant ingress pipe is positioned at outside first end of described tubular shaft, second end of described water coolant ingress pipe does not contact near described blind plate and with described blind plate, gap between the outer wall of the inwall of described tubular shaft and described water coolant ingress pipe constitutes water coolant backhaul passage, first end of described water coolant backhaul passage is connected with the water coolant delivery line, second end of described tubular shaft is connected with described motor, and outer the setting gradually from its second end to the first end of described water cooler is useful on the front end tube that the charging of high temperature silication magnesium dust is provided in described water cooler, be used for high temperature silication magnesium dust is carried out the multistage cooling water jecket of refrigerative piecemeal and is used to export the terminal tube of low temperature silication magnesium dust discharging.
2. a kind of magnesium-silicide spiral cooling device according to claim 1, it is characterized in that described water cooler is outside equipped with the described cooling water jecket of level Four, be respectively one-level cooling water jecket, secondary cooling water jecket, three grades of cooling water jeckets and level Four cooling water jecket.
3. a kind of magnesium-silicide spiral cooling device according to claim 2 is characterized in that the position of described blind plate is corresponding with the position of second end of described one-level cooling water jecket.
4. according to each described a kind of magnesium-silicide spiral cooling device in the claim 1 to 3, it is characterized in that first end near described water cooler is provided with the shredding unit that is used to pulverize the magnesium silicide powder in the described terminal tube.
5. a kind of magnesium-silicide spiral cooling device according to claim 3 is characterized in that described front end tube comprises the charging adapter mouth that is arranged at the outer front end tube main body of described water cooler and is arranged at the top of described front end tube main body and is connected with described water cooler; The one-level water coolant delivery line that described one-level cooling water jecket comprises one-level cooling water jecket main body, be arranged at the below of described one-level cooling water jecket main body and the one-level water coolant ingress pipe that is connected with described one-level cooling water jecket main body and the top that is arranged at described one-level cooling water jecket main body and be connected with described one-level cooling water jecket main body; The secondary water coolant delivery line that described secondary cooling water jecket comprises secondary cooling water jecket main body, be arranged at the below of described secondary cooling water jecket main body and the secondary water coolant ingress pipe that is connected with described secondary cooling water jecket main body and the top that is arranged at described secondary cooling water jecket main body and be connected with described secondary cooling water jecket main body; Three grades of water coolant delivery lines that described three grades of cooling water jeckets comprise three grades of cooling water jecket main bodys, be arranged at the below of described three grades of cooling water jecket main bodys and three grades of water coolant ingress pipes that are connected with described three grades of cooling water jecket main bodys and the top that is arranged at described three grades of cooling water jecket main bodys and be connected with described three grades of cooling water jecket main bodys; The level Four water coolant delivery line that described level Four cooling water jecket comprises level Four cooling water jecket main body, be arranged at the below of described level Four cooling water jecket main body and the level Four water coolant ingress pipe that is connected with described level Four cooling water jecket main body and the top that is arranged at described level Four cooling water jecket main body and be connected with described level Four cooling water jecket main body; Described terminal tube comprises the end tube main body that is arranged at outside the described water cooler and is arranged at the below of a described terminal main body and the discharge barrel that is connected with described water cooler.
6. a kind of magnesium-silicide spiral cooling device according to claim 5; first end that it is characterized in that described water cooler is connected with the shielding gas ingress pipe that is connected with described water cooler and is used to import shielding gas; the position of described shielding gas ingress pipe is corresponding with the position of described terminal tube; second end of described water cooler is connected with the shielding gas delivery line that is connected with described water cooler and is used to derive shielding gas, and the position of described shielding gas delivery line is between described front end tube and described one-level cooling water jecket.
7. the reaction unit of a kind of continuously synthesizing magnesium silicide according to claim 6 is characterized in that described shielding gas is argon gas or hydrogen.
8. the reaction unit of a kind of continuously synthesizing magnesium silicide according to claim 3, it is characterized in that being connected with on the described water cooler temperature tube that a plurality of and described water cooler is connected, described temperature tube is connected with the thermometer of the temperature that is used to measure the magnesium silicide powder in the described water cooler, and the position of each described temperature tube lays respectively at the rear, position of described one-level cooling water jecket, described secondary cooling water jecket, described three grades of cooling water jeckets and described level Four cooling water jecket.
CN 201010279718 2010-09-13 2010-09-13 Magnesium-silicide spiral cooling device Expired - Fee Related CN101928007B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010279718 CN101928007B (en) 2010-09-13 2010-09-13 Magnesium-silicide spiral cooling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010279718 CN101928007B (en) 2010-09-13 2010-09-13 Magnesium-silicide spiral cooling device

Publications (2)

Publication Number Publication Date
CN101928007A true CN101928007A (en) 2010-12-29
CN101928007B CN101928007B (en) 2013-04-17

Family

ID=43367502

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201010279718 Expired - Fee Related CN101928007B (en) 2010-09-13 2010-09-13 Magnesium-silicide spiral cooling device

Country Status (1)

Country Link
CN (1) CN101928007B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102147195A (en) * 2011-05-17 2011-08-10 苏州钻石金属粉有限公司 Powder cooler
CN110898782A (en) * 2019-10-31 2020-03-24 乳源东阳光磁性材料有限公司 Automatic preparation facilities of ternary precursor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59115985A (en) * 1982-12-21 1984-07-04 Yaskawa Electric Mfg Co Ltd Rotary type heat pipe and its manufacture
CN201055710Y (en) * 2006-12-26 2008-05-07 上海屹尧分析仪器有限公司 Horizontal continuous propulsion type microwave extractor
CN101306818A (en) * 2008-07-01 2008-11-19 浙江理工大学 Method for preparing magnesium silicide and device
CN201329626Y (en) * 2009-01-16 2009-10-21 杨剑平 Waste and old rubber resource regenerative cooling qualitative apparatus
CN201439449U (en) * 2009-07-13 2010-04-21 北京中科通用能源环保有限责任公司 Screw conveyer
CN201809176U (en) * 2010-09-13 2011-04-27 化学工业第二设计院宁波工程有限公司 Magnesium silicide spiral cooling device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59115985A (en) * 1982-12-21 1984-07-04 Yaskawa Electric Mfg Co Ltd Rotary type heat pipe and its manufacture
CN201055710Y (en) * 2006-12-26 2008-05-07 上海屹尧分析仪器有限公司 Horizontal continuous propulsion type microwave extractor
CN101306818A (en) * 2008-07-01 2008-11-19 浙江理工大学 Method for preparing magnesium silicide and device
CN201329626Y (en) * 2009-01-16 2009-10-21 杨剑平 Waste and old rubber resource regenerative cooling qualitative apparatus
CN201439449U (en) * 2009-07-13 2010-04-21 北京中科通用能源环保有限责任公司 Screw conveyer
CN201809176U (en) * 2010-09-13 2011-04-27 化学工业第二设计院宁波工程有限公司 Magnesium silicide spiral cooling device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102147195A (en) * 2011-05-17 2011-08-10 苏州钻石金属粉有限公司 Powder cooler
CN110898782A (en) * 2019-10-31 2020-03-24 乳源东阳光磁性材料有限公司 Automatic preparation facilities of ternary precursor
CN110898782B (en) * 2019-10-31 2023-10-27 乳源东阳光新能源材料有限公司 Automatic preparation facilities of ternary precursor

Also Published As

Publication number Publication date
CN101928007B (en) 2013-04-17

Similar Documents

Publication Publication Date Title
CN102874814A (en) Polycrystalline-silicon reducing and producing process and device
CN201809176U (en) Magnesium silicide spiral cooling device
CN104016349B (en) A kind of production equipment of polycrystalline silicon rod and method thereof
CN101928007B (en) Magnesium-silicide spiral cooling device
CN107883776A (en) A kind of cooler and cooling means of high efficiency composition vertical cement calcination of chamotte
CN102350274B (en) Phenyl fluidized bed reactor
CN100575843C (en) Polycrystalline silicon reducing furnace water-cooling double glass viewing mirror
CN201793377U (en) Reaction device for continuously synthesizing magnesium silicide
CN201746331U (en) Polysilicon reducing surface
CN201326030Y (en) Polysilicon reducing furnace
CN102515167B (en) Periodical alternatively operating polycrystalline silicon reduction furnace equipped with inner heat-insulating barrel and operation method
CN104018010B (en) Reduction and distillation furnace in titanium sponge production
CN201162065Y (en) Novel polysilicon reduction furnace
CN205687570U (en) A kind of 45 to rod compact polycrystalline silicon reducing furnace
CN202594789U (en) High-potential energy steam generating system with chemical vapor deposition (CVD) reaction furnace
CN210560254U (en) Charcoal discharging device of biomass straw carbonization furnace
CN201214631Y (en) Polysilicon reduction furnace
CN201216932Y (en) Reaction still
CN103980091B (en) A kind of preparing methanol from coke oven gas system
CN203700458U (en) Reduction distilling furnace for producing titanium sponge by virtue of magnesium reduction method
CN102060298B (en) Polycrystalline silicon production device and method
CN101928005B (en) Reaction device for continuously synthesizing magnesium silicide
CN210825444U (en) Cooling system of polycrystalline silicon reduction furnace
CN201770487U (en) Reduction furnace / hydrogenation furnace tail gas preheating feeding device
CN203159237U (en) High-purity polycrystalline silicon preparation device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C53 Correction of patent of invention or patent application
CB02 Change of applicant information

Address after: 315040, Lane 999, Lane 1, R & D Park, national hi tech Zone, Zhejiang, Ningbo

Applicant after: Sedin Ningbo Engineering Co., Ltd.

Applicant after: Zhejiang Zhongfu Guineng Co., Ltd.

Address before: 315040, Lane 999, Lane 1, R & D Park, national hi tech Zone, Zhejiang, Ningbo

Applicant before: Ningbo Engineering Co., Ltd, Second Design Institute of Chemical Industry

Applicant before: Zhejiang Zhongfu Guineng Co., Ltd.

COR Change of bibliographic data

Free format text: CORRECT: APPLICANT; FROM: NINGBO ENGINEERING CO., LTD, SECOND DESIGN INSTITUTE OF CHEMICAL INDUSTRY TO: CNCEC SEDIN NINGBO ENGINEERING CO., LTD.

C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130417

Termination date: 20160913