CN203782273U - Energy-saving device for polycrystalline silicon ingot furnace - Google Patents

Energy-saving device for polycrystalline silicon ingot furnace Download PDF

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Publication number
CN203782273U
CN203782273U CN201420130756.3U CN201420130756U CN203782273U CN 203782273 U CN203782273 U CN 203782273U CN 201420130756 U CN201420130756 U CN 201420130756U CN 203782273 U CN203782273 U CN 203782273U
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CN
China
Prior art keywords
polycrystalline silicon
silicon ingot
furnace
louver window
heat
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Withdrawn - After Issue
Application number
CN201420130756.3U
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Chinese (zh)
Inventor
于丽君
周社柱
王晓东
刘茂生
张瑾
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SHANXI BRANCH OF NEW ENERGY Co
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SHANXI BRANCH OF NEW ENERGY Co
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Priority to CN201420130756.3U priority Critical patent/CN203782273U/en
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Abstract

The utility model discloses an energy-saving device for a polycrystalline silicon ingot furnace. The energy-saving device can be used for solving the problem that the heat energy loss of the existing polycrystalline silicon ingot furnace is high in the production process so as to result in high power consumption. The energy-saving device comprises an upper furnace body (1) of a polycrystalline silicon ingot furnace and a lower furnace body (7) of the polycrystalline silicon ingot furnace, wherein a heat insulation cage lifting device (2) is arranged at the top end of the upper furnace body (1) of the polycrystalline silicon ingot furnace and is mechanically connected with a heat insulation cage (3) arranged in the polycrystalline silicon ingot furnace; an upper rectangular window-shade (5) and a lower rectangular window-shade (6) are respectively arranged in the polycrystalline silicon ingot furnace; a rack plate base plate (11) is fixedly arranged on the outer side wall of the heat insulation cage (3); an upper transmission tooth (17) and a lower transmission tooth (18) are arranged at intervals on the rack plate base plate (11) along the upper and lower vertical directions; gears on blade shafts of the rectangular window-shades are engaged with the upper transmission tooth or the lower transmission tooth, so that the heat efficiency during the whole production of the polycrystalline silicon is fully utilized, and electric energy is reduced.

Description

Polycrystalline silicon ingot or purifying furnace energy saver
Technical field
The present invention relates to a kind of energy saver using in polycrystalline silicon ingot or purifying furnace, be particularly related to a kind of polycrystalline silicon ingot or purifying furnace thermo-efficiency in heating, fusing and annealing process graduated increasing stove, the long brilliant stage make furnace chamber insulation on lower furnace chamber quick heat radiating reduce heat radiation and process for cooling stage make stove in the energy saver that leaves as early as possible of heat.
Background technology
The growth of polysilicon is mainly that the oriented growth in polycrystalline silicon ingot or purifying furnace completes by silicon material.In this process, polycrystalline silicon raw material experiences from solid-state to fusing in ingot furnace, longer brilliant in solid-state process of growth.Whole production process need to consume a large amount of electric energy, and at present, the average energy consumption index of industry is that 1 kilogram of polysilicon of every production needs power consumption 8 degree, if average every stove is according to 620 kilograms of dress silicon material, produces the power consumption that a stove needs 4960 degree.The structure of existing polycrystalline silicon ingot or purifying furnace is not considered each technique making full use of heat, the insulation quilt structure and the position that in stove, on heat-insulation cage surrounding sidewall, arrange are in addition unreasonable, while having caused in heating in production of polysilicon, fusing, long brilliant, annealing and cooling five technological processs this insulation, heat loss is serious, in this when heat radiation, heat loss is slow defect again.
Summary of the invention
The invention provides a kind of polycrystalline silicon ingot or purifying furnace energy saver, thus solved existing polycrystalline silicon ingot or purifying furnace in process of production thermal losses cause greatly the technical problem that current consumption is large.
The present invention solves above technical problem by the following technical programs:
A kind of polycrystalline silicon ingot or purifying furnace energy saver, comprise polycrystalline silicon ingot or purifying furnace upper furnace body and polycrystalline silicon ingot or purifying furnace lower furnace body, on the top of polycrystalline silicon ingot or purifying furnace upper furnace body, be provided with heat-insulation cage lifting device, heat-insulation cage lifting device is mechanically coupled together with the heat-insulation cage arranging in polycrystalline silicon ingot or purifying furnace, on the surrounding sidewall of heat-insulation cage, be provided with insulation quilt, on the furnace wall of polycrystalline silicon ingot or purifying furnace, be provided with water jacket, on the inner side-wall of polycrystalline silicon ingot or purifying furnace upper furnace body, along upper and lower vertical direction, be provided with rectangle window shutter, on the inner side-wall of polycrystalline silicon ingot or purifying furnace lower furnace body, along upper and lower vertical direction, be provided with lower rectangle window shutter, on upper rectangle blade of louver window, be provided with rectangle blade of louver window drive shaft, in one end of upper rectangle blade of louver window drive shaft, be fixedly installed rectangle blade of louver window driving gear, on lower rectangle blade of louver window, be provided with lower rectangle blade of louver window drive shaft, in one end of lower rectangle blade of louver window drive shaft, be fixedly installed lower rectangle blade of louver window driving gear, on the outer side wall of heat-insulation cage, be fixedly installed rack-plate foundation plate, on rack-plate foundation plate, along upper and lower vertical direction compartment of terrain, be provided with upper driving tooth and underdrive tooth, between rack-plate foundation plate and upper rectangle blade of louver window driving gear, be provided with INTERMEDIATE TRANSMISSION GEAR, upper INTERMEDIATE TRANSMISSION GEAR and the engagement of upper rectangle blade of louver window driving gear, between rack-plate foundation plate and lower rectangle blade of louver window driving gear, be provided with lower INTERMEDIATE TRANSMISSION GEAR, lower INTERMEDIATE TRANSMISSION GEAR and the engagement of lower rectangle blade of louver window driving gear, on the inner side-wall of polycrystalline silicon ingot or purifying furnace, be provided with high temperature heat absorbing coating.
The number of teeth of upper rectangle blade of louver window driving gear, the number of teeth of upper INTERMEDIATE TRANSMISSION GEAR, the number of teeth of lower rectangle blade of louver window driving gear and the number of teeth of lower INTERMEDIATE TRANSMISSION GEAR are identical, the number of teeth of the number of teeth of upper driving tooth and underdrive tooth is identical, the number of teeth of upper driving tooth be upper rectangle blade of louver window driving gear the number of teeth 1/4th, the spacing of upper driving tooth and underdrive tooth is 170 millimeters.
Two ends, left and right in each side of the heat-insulation cage of cuboid are provided with rack-plate foundation plate, on each rack-plate foundation plate, all compartment of terrain is provided with upper driving tooth and underdrive tooth, on the furnace wall of each corresponding polycrystalline silicon ingot or purifying furnace in side of the heat-insulation cage of cuboid, is provided with rectangle window shutter and two lower rectangle window shutters on two.
The present invention has improved the heat utilization efficiency in heating and melting stage in production process by increase radiation shield in body of heater, on the medial surface of furnace wall, increase the furnace wall coating of high-absorbility simultaneously, growing crystalline substance and cooling stages by opening the window shutter of radiation shield, furnace heat is absorbed as early as possible by furnace wall coating, the heat radiation process of the polysilicon of having accelerated, make the thermo-efficiency of whole production of polysilicon obtain utilizing more fully, saved electric energy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is lateral cross section structural representation of the present invention;
Fig. 3 is rectangle window shutter opening-closing structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail:
A kind of polycrystalline silicon ingot or purifying furnace energy saver, comprise polycrystalline silicon ingot or purifying furnace upper furnace body 1 and polycrystalline silicon ingot or purifying furnace lower furnace body 7, on the top of polycrystalline silicon ingot or purifying furnace upper furnace body 1, be provided with heat-insulation cage lifting device 2, heat-insulation cage lifting device 2 is mechanically coupled together with the heat-insulation cage 3 arranging in polycrystalline silicon ingot or purifying furnace, on the surrounding sidewall of heat-insulation cage 3, be provided with insulation quilt 4, on the furnace wall of polycrystalline silicon ingot or purifying furnace, be provided with water jacket 19, on the inner side-wall of polycrystalline silicon ingot or purifying furnace upper furnace body 1, along upper and lower vertical direction, be provided with rectangle window shutter 5, on the inner side-wall of polycrystalline silicon ingot or purifying furnace lower furnace body 7, along upper and lower vertical direction, be provided with lower rectangle window shutter 6, on upper rectangle blade of louver window 8, be provided with rectangle blade of louver window drive shaft 9, in one end of upper rectangle blade of louver window drive shaft 9, be fixedly installed rectangle blade of louver window driving gear 10, on lower rectangle blade of louver window 13, be provided with lower rectangle blade of louver window drive shaft 14, in one end of lower rectangle blade of louver window drive shaft 14, be fixedly installed lower rectangle blade of louver window driving gear 15, on the outer side wall of heat-insulation cage 3, be fixedly installed rack-plate foundation plate 11, on rack-plate foundation plate 11, along upper and lower vertical direction compartment of terrain, be provided with upper driving tooth 17 and underdrive tooth 18, between rack-plate foundation plate 11 and upper rectangle blade of louver window driving gear 10, be provided with INTERMEDIATE TRANSMISSION GEAR 12, upper INTERMEDIATE TRANSMISSION GEAR 12 and upper rectangle blade of louver window driving gear 10 engagements, between rack-plate foundation plate 11 and lower rectangle blade of louver window driving gear 15, be provided with lower INTERMEDIATE TRANSMISSION GEAR 16, lower INTERMEDIATE TRANSMISSION GEAR 16 and lower rectangle blade of louver window driving gear 15 engagements, on the inner side-wall of polycrystalline silicon ingot or purifying furnace, be provided with high temperature heat absorbing coating 20.
The number of teeth of upper rectangle blade of louver window driving gear 10, the number of teeth of upper INTERMEDIATE TRANSMISSION GEAR 12, the number of teeth of lower rectangle blade of louver window driving gear 15 and the number of teeth of lower INTERMEDIATE TRANSMISSION GEAR 16 are identical, the number of teeth of the number of teeth of upper driving tooth 17 and underdrive tooth 18 is identical, the number of teeth of upper driving tooth 17 be upper rectangle blade of louver window driving gear 10 the number of teeth 1/4th, upper driving tooth 17 is 170 millimeters with the spacing of underdrive tooth 18.
Two ends, left and right in each side of the heat-insulation cage 3 of cuboid are provided with rack-plate foundation plate 11, on each rack-plate foundation plate 11, all compartment of terrain is provided with upper driving tooth 17 and underdrive tooth 18, on the furnace wall of each corresponding polycrystalline silicon ingot or purifying furnace in side of the heat-insulation cage 3 of cuboid, is provided with rectangle window shutter and two lower rectangle window shutters on two.
The present invention is based on the heating, fusing of production of polysilicon, long brilliant, annealing and cooling five technological processs to the gathering of the heat in stove and distributes different requirements and develop.In heating and melting technological process, silicon material needs a large amount of heat absorptions, at this moment the heat-insulation cage 3 being arranged in body of heater has dropped to furnace bottom, upper rectangle window shutter 5 with the louver on lower rectangle window shutter 6 all in vertical up and down closure state, the auxiliary insulation quilt 4 of penetrating by arranging on the surrounding sidewall at heat-insulation cage 3 of heat in crucible is reflected back toward again in crucible after being radiated on the blade of window shutter, reduces the calorific loss in stove.In the long brilliant stage, heat-insulation cage lifting device 2 slowly upwards promotes 170 millimeters by heat-insulation cage 3 according to technique, at this moment the underdrive tooth on rack-plate foundation plate 11 18 meshes with lower INTERMEDIATE TRANSMISSION GEAR 16, lower INTERMEDIATE TRANSMISSION GEAR 16 and lower rectangle blade of louver window driving gear 15 engagements, make lower rectangle blade of louver window drive shaft 14 rotate 90 degree, lower rectangle blade of louver window 13 is opened into horizontal, the heat direct radiation that is beneficial to crucible bottom is taken away heat to body of heater 7 inwalls continuously by the high temperature heat absorbing coating 20 of furnace wall, meets long brilliant processing requirement.At annealing stage, heat-insulation cage lifting device 2 is fallen heat-insulation cage 3 from 170 millimeters, when the underdrive tooth 18 and lower INTERMEDIATE TRANSMISSION GEAR 16 engagements that arrive on bottom hour rack plate foundation plate 11, lower INTERMEDIATE TRANSMISSION GEAR 16 and lower rectangle blade of louver window driving gear 15 engagements, make lower rectangle blade of louver window drive shaft 14 counter-rotation 90 degree, lower rectangle blade of louver window 13 is closed into vertical configuration.At cooling stages, heat-insulation cage lifting device 2 upwards promotes heat-insulation cage 3 to arrive 380 millimeters, at this moment the underdrive tooth on rack-plate foundation plate 11 18 is by INTERMEDIATE TRANSMISSION GEAR 16, lower rectangle blade of louver window driving gear 15 is driven, make lower rectangle blade of louver window drive shaft 14 rotate 90 degree, lower rectangle blade of louver window 13 is opened into horizontal, when lift height is greater than 170 millimeters, upper driving tooth 17 drives upper INTERMEDIATE TRANSMISSION GEAR 12, upper rectangle blade of louver window driving gear 10 is driven, make rectangle blade of louver window drive shaft 9 rotate 90 degree, upper rectangle blade of louver window 8 is opened into horizontal.By the window shutter heat direct radiation of opening, to the high temperature heat absorbing coating 20 on furnace wall, absorb, increase caloric receptivity, improve cooling rate.At different operation stages, guaranteed the not loss and waste of furnace heat, realized again this when cooling, the requirement that furnace heat is taken away rapidly, has saved the electric energy of production process, has improved production efficiency.

Claims (3)

1. a polycrystalline silicon ingot or purifying furnace energy saver, comprise polycrystalline silicon ingot or purifying furnace upper furnace body (1) and polycrystalline silicon ingot or purifying furnace lower furnace body (7), on the top of polycrystalline silicon ingot or purifying furnace upper furnace body (1), be provided with heat-insulation cage lifting device (2), heat-insulation cage lifting device (2) is mechanically coupled together with the heat-insulation cage (3) arranging in polycrystalline silicon ingot or purifying furnace, on the surrounding sidewall of heat-insulation cage (3), be provided with insulation quilt (4), on the furnace wall of polycrystalline silicon ingot or purifying furnace, be provided with water jacket (19), it is characterized in that, on the inner side-wall of polycrystalline silicon ingot or purifying furnace upper furnace body (1), along upper and lower vertical direction, be provided with upper rectangle window shutter (5), on the inner side-wall of polycrystalline silicon ingot or purifying furnace lower furnace body (7), along upper and lower vertical direction, be provided with lower rectangle window shutter (6), on upper rectangle blade of louver window (8), be provided with upper rectangle blade of louver window drive shaft (9), in one end of upper rectangle blade of louver window drive shaft (9), be fixedly installed upper rectangle blade of louver window driving gear (10), on lower rectangle blade of louver window (13), be provided with lower rectangle blade of louver window drive shaft (14), in one end of lower rectangle blade of louver window drive shaft (14), be fixedly installed lower rectangle blade of louver window driving gear (15), on the outer side wall of heat-insulation cage (3), be fixedly installed rack-plate foundation plate (11), in upper and lower vertical direction compartment of terrain, the upper edge of rack-plate foundation plate (11), be provided with upper driving tooth (17) and underdrive tooth (18), between rack-plate foundation plate (11) and upper rectangle blade of louver window driving gear (10), be provided with upper INTERMEDIATE TRANSMISSION GEAR (12), upper INTERMEDIATE TRANSMISSION GEAR (12) and upper rectangle blade of louver window driving gear (10) engagement, between rack-plate foundation plate (11) and lower rectangle blade of louver window driving gear (15), be provided with lower INTERMEDIATE TRANSMISSION GEAR (16), lower INTERMEDIATE TRANSMISSION GEAR (16) and lower rectangle blade of louver window driving gear (15) engagement, on the inner side-wall of polycrystalline silicon ingot or purifying furnace, be provided with high temperature heat absorbing coating (20).
2. a kind of polycrystalline silicon ingot or purifying furnace energy saver according to claim 1, it is characterized in that, the number of teeth of upper rectangle blade of louver window driving gear (10), the number of teeth of upper INTERMEDIATE TRANSMISSION GEAR (12), the number of teeth of the number of teeth of lower rectangle blade of louver window driving gear (15) and lower INTERMEDIATE TRANSMISSION GEAR (16) is identical, the number of teeth of the number of teeth of upper driving tooth (17) and underdrive tooth (18) is identical, the number of teeth of upper driving tooth (17) be upper rectangle blade of louver window driving gear (10) the number of teeth 1/4th, upper driving tooth (17) is 170 millimeters with the spacing of underdrive tooth (18).
3. a kind of polycrystalline silicon ingot or purifying furnace energy saver according to claim 2, it is characterized in that, two ends, left and right in each side of the heat-insulation cage (3) of cuboid are provided with rack-plate foundation plate (11), in the upper equal compartment of terrain of each rack-plate foundation plate (11), be provided with upper driving tooth (17) and underdrive tooth (18), on the furnace wall of each corresponding polycrystalline silicon ingot or purifying furnace in side of the heat-insulation cage (3) of cuboid, be provided with two and go up rectangle window shutters and two lower rectangle window shutters.
CN201420130756.3U 2014-03-23 2014-03-23 Energy-saving device for polycrystalline silicon ingot furnace Withdrawn - After Issue CN203782273U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103866383A (en) * 2014-03-23 2014-06-18 山西中电科新能源技术有限公司 Energy-saving device for polycrystalline silicon ingot furnace
CN107893258A (en) * 2017-12-05 2018-04-10 浙江芯能光伏科技股份有限公司 A kind of energy-saving polycrystalline ingot furnace

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103866383A (en) * 2014-03-23 2014-06-18 山西中电科新能源技术有限公司 Energy-saving device for polycrystalline silicon ingot furnace
CN103866383B (en) * 2014-03-23 2016-03-02 山西中电科新能源技术有限公司 Polycrystalline silicon ingot or purifying furnace energy saver
CN107893258A (en) * 2017-12-05 2018-04-10 浙江芯能光伏科技股份有限公司 A kind of energy-saving polycrystalline ingot furnace
CN107893258B (en) * 2017-12-05 2023-09-15 浙江芯能光伏科技股份有限公司 Energy-saving polycrystalline ingot furnace

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AV01 Patent right actively abandoned

Granted publication date: 20140820

Effective date of abandoning: 20160302

C25 Abandonment of patent right or utility model to avoid double patenting