WO2010107262A2 - 열변환반응 밀폐용기 - Google Patents
열변환반응 밀폐용기 Download PDFInfo
- Publication number
- WO2010107262A2 WO2010107262A2 PCT/KR2010/001686 KR2010001686W WO2010107262A2 WO 2010107262 A2 WO2010107262 A2 WO 2010107262A2 KR 2010001686 W KR2010001686 W KR 2010001686W WO 2010107262 A2 WO2010107262 A2 WO 2010107262A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bezel
- hot zone
- conversion reaction
- inlet hole
- heat
- Prior art date
Links
- 239000012495 reaction gas Substances 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract 2
- 238000005192 partition Methods 0.000 claims description 77
- 238000002347 injection Methods 0.000 claims description 52
- 239000007924 injection Substances 0.000 claims description 52
- 239000007789 gas Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 2
- 238000013021 overheating Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 4
- 239000005049 silicon tetrachloride Substances 0.000 description 4
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 4
- 239000005052 trichlorosilane Substances 0.000 description 4
- 238000009834 vaporization Methods 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical class Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 229920000548 poly(silane) polymer Polymers 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 239000005046 Chlorosilane Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910003902 SiCl 4 Inorganic materials 0.000 description 2
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- UETQVDZZPKAQIC-UHFFFAOYSA-N chlorane Chemical compound Cl.Cl.Cl.Cl UETQVDZZPKAQIC-UHFFFAOYSA-N 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 229910021422 solar-grade silicon Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/08—Compounds containing halogen
- C01B33/107—Halogenated silanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/02—Apparatus characterised by being constructed of material selected for its chemically-resistant properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
- B01J4/002—Nozzle-type elements
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
- C01B33/021—Preparation
- C01B33/027—Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material
- C01B33/035—Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material by decomposition or reduction of gaseous or vaporised silicon compounds in the presence of heated filaments of silicon, carbon or a refractory metal, e.g. tantalum or tungsten, or in the presence of heated silicon rods on which the formed silicon is deposited, a silicon rod being obtained, e.g. Siemens process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00094—Jackets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00132—Controlling the temperature using electric heating or cooling elements
- B01J2219/00135—Electric resistance heaters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00159—Controlling the temperature controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/02—Apparatus characterised by their chemically-resistant properties
- B01J2219/025—Apparatus characterised by their chemically-resistant properties characterised by the construction materials of the reactor vessel proper
- B01J2219/0277—Metal based
- B01J2219/0286—Steel
Definitions
- the present invention relates to a heat conversion reaction closed container, and more particularly, to prevent the bezel from being heated above the limit temperature by supplying the reaction gas into the hot zone in a heated state by absorbing heat energy lost to the outside through the bezel. And, it relates to a heat conversion reaction closed container that can reduce the power consumption of the heater for maintaining the temperature inside the hot zone.
- solar grade silicon has been obtained primarily from the surplus of the semiconductor industry.
- semiconductor grade silicon produces commercially available solar cell grade materials using conventional processes.
- One conventional process converts metallurgical silicon into silane or one of polysilane or chlorosilane compounds.
- the silane, polysilane or chlorosilane is pyrolyzed in a Siemens-type reactor to form polysilicon of high purity.
- polysilicon rods are produced by thermal decomposition of a gaseous silicon compound, such as silane or polysilane or chlorosilane, on a filament substrate, also called a slim rod.
- a gaseous silicon compound such as silane or polysilane or chlorosilane
- Such slim rods are generally made of high purity polysilicon to ensure product purity levels.
- the STC is reused by reducing to TCS by thermal hydrogenation in the state of mixing with hydrogen (H 2 ).
- a conventional converter for converting a conventional STC to TCS by thermal conversion reaction.
- a conventional converter has a heater 13 installed on an upper surface of the base plate 10, and has a vertical or bell-jar type vessel 20 for forming a hot zone 21.
- the base plate 10 is assembled above.
- a shield 40 is installed between the heater 13 and the bezel 20 to reduce heat lost inside the hot zone 21 to the bezel 20 and to the outside.
- a gas in which STC and hydrogen (H 2 ) are mixed through the inlet hole 11 formed through the plate surface of the base plate 10 is referred to as a hot zone ( 21, while supplying power to the heater 13 to heat the internal temperature of the hot zone 21 to about 900 °C to 1500 °C, the reaction gas inside the hot zone 21 by the hydrogenation reaction at a high temperature It is converted into TCS and hydrogen chloride (HCl) and discharged through the outlet hole (12).
- the bezel 20 surrounding the hot zone 21 is a structural material made of metal, and carbon steel and stainless steel are usually formed of a cladding structure.
- a cooling jacket 31 through which cooling water circulates is disposed outside the bezel 20 to raise the temperature of the bezel 20 to 300 ° C. or less. Keep it.
- the bezel 20 surrounding the hot zone 21 is to build a separate cooling system 30 for structural stability To cool.
- This conventional configuration has a low heat efficiency due to the high heat energy lost to the outside through the bezel 20.
- the power consumption is increased because it is to be supplied again through the heater 13 as much heat energy lost by heat transfer from the hot zone to the bezel.
- reaction gas (STC + H 2 ) is supplied at a high pressure through the inlet hole 11 formed in the center and the outer periphery of the base plate 10 so that the reaction is evenly circulated in the hot zone 21.
- the temperature of the reaction gas is supplied at the vaporization temperature of the STC according to the supply pressure, a large amount of thermal energy is required to maintain the hot zone 21 at about 900 ° C to 1500 ° C.
- the cooling system 30 is a cooling water circulation unit 32 for circulating the cooling water to the cooling jacket 31 provided on the outside of the bezel 20 and the bezel 20 through the cooling jacket 31.
- devices such as a cooling unit 33 for recooling the coolant whose temperature has risen and a tank for storing the coolant should be installed around the converter. Therefore, it takes up a lot of space with complicated piping, and power consumption is increased because equipment such as a pump for circulating coolant must be driven.
- an object of the present invention is to solve such a conventional problem, by absorbing the heat energy lost to the outside of the bezel in the process of supplying the reaction gas to the hot zone to be supplied to the hot zone, the bezel is heated above the limit temperature It is to provide a heat conversion reaction closed container that does not have to provide a separate cooling system for cooling the bezel, so as to prevent the.
- reaction gas absorbs thermal energy and is supplied to the hot zone in a heated state, it is possible to prevent the temperature of the hot zone from dropping sharply and to provide a heat conversion reaction closed container that can reduce power consumption of the heater.
- the object is, according to the present invention, the base plate; and the bezel to form a closed hot zone between the base plate; and a heater disposed in the hot zone; and to supply and discharge the reaction gas to the hot zone Inlet and outlet holes; And a heat exchange part formed inside the bezel such that the reaction gas supplied to the hot zone through the inlet hole absorbs heat energy transferred to the bezel to cool the temperature of the bezel and is supplied to the hot zone in a heated state. It is achieved by a heat conversion reaction closed container comprising a.
- the heat exchange part is preferably made of a circulation passage circulating the space between the bezel and the hot zone and connecting the inlet hole and the hot zone.
- the circulation passage partition wall separating the space adjacent to the inner surface of the bezel including the inlet hole and the space including the heater and the outlet hole, the reaction gas supplied through the inlet hole is the space between the partition wall and the bezel It is preferable to include a through hole formed on the plate surface of the partition spaced apart from the inlet hole to be supplied to the hot zone after heat exchange while moving.
- the partition wall is provided in two or more tubular sizes having a size to each other to divide the space adjacent to the inner surface of the bezel including the inlet hole and the space including the heater and the outlet hole in a multi-layer, the inside of the large partition wall As a result, it is preferable that the barrier rib be small in size.
- the two or more partition walls are preferably formed through the through-holes formed on the plate surface to be alternate with each other based on the inlet hole is to switch the movement path of the supply gas.
- the partition wall is preferably made of a cylindrical shape, the upper side is closed, and further comprises a cover in which the outer periphery is in close contact with the inner surface of the bezel.
- the partition wall is preferably made of a material having heat resistance with respect to the temperature heated by the heat energy transferred from the hot zone at the installed position.
- the injection nozzle is provided on the gas discharge side of the inlet hole to distribute the gas supplied to the heat exchange unit; preferably includes.
- the inflow hole is preferably formed in a plurality so as to be spaced apart a predetermined interval on the plate surface of the base plate corresponding to the area between the partition wall and the bezel.
- the injection nozzle has one end connected to the inlet hole and supplied with gas, and the other end formed with a closed supply pipe, and at least one injection hole formed laterally from the supply pipe to discharge gas.
- the injection nozzle is preferably formed with a guide to guide the gas spaced apart from the injection hole in the downward direction.
- the injection nozzle has one end connected to the inlet hole and supplied with gas, and the other end formed with a closed supply pipe, and at least one injection hole through which the gas is discharged in a downward inclination direction from the supply pipe.
- thermoconversion closed container is provided that does not require a system.
- reaction gas absorbs thermal energy and is supplied to the hot zone in a heated state
- a heat conversion reaction closed container is provided to prevent the temperature of the hot zone from dropping rapidly and to reduce the power consumption of the heater.
- the heat exchange area is increased to increase heat exchange efficiency.
- a heat conversion reaction closed container that can be improved.
- thermoconversion sealed container is provided.
- a heat conversion reaction closed container can be provided to improve heat exchange efficiency by allowing heat exchange to occur in a region between a plurality of injection nozzles and a lower region of a circulation passage in which the injection nozzles are located.
- FIG. 1 is a cross-sectional view of a conventional trichlorosilane conversion apparatus by thermal conversion reaction of silicon tetrachloride
- FIG. 2 is a perspective view of the heat conversion reaction closed container of the present invention
- FIG. 3 is an exploded perspective view of the heat conversion reaction closed container of the present invention
- Figure 4 is a front sectional view of the heat conversion reaction sealed container
- Figure 6 is a partial cutaway perspective view of a second embodiment of the heat conversion reaction closed container of the present invention.
- Figure 7 is an exploded perspective view according to a second embodiment of the heat conversion reaction closed container of the present invention.
- FIG. 8 is a front sectional view of a second embodiment of a heat conversion reaction closed vessel.
- FIG. 9 is a perspective view of a third embodiment of the heat conversion reaction closed container of the present invention.
- FIG. 10 is an exploded perspective view of a third embodiment of the heat conversion reaction closed container of the present invention.
- FIG. 11 is a front sectional view of a third embodiment of the heat conversion reaction closed container of the present invention.
- FIG. 12 is an enlarged view of a portion “A” of FIG. 11;
- Figure 13 is a cross-sectional view showing another embodiment of the injection nozzle according to the heat conversion reaction closed container of the present invention.
- FIG. 14 is a cross-sectional view of a fourth embodiment of the heat conversion reaction closed container of the present invention.
- FIG. 2 is a partially cutaway perspective view of the heat conversion reaction closed container of the present invention
- Figure 3 is an exploded perspective view of the heat conversion reaction closed container of the present invention.
- the heat conversion reaction closed container of the present invention as shown in the drawing comprises a base plate 110, a bezel 120, and a heat exchanger 130 provided on the bezel 120 side,
- the thermal conversion reaction closed container of the present invention converts silicon tetrachloride (Silicon Tetracloride; STC, SiCl 4 ) into trichlorosilane (TCS, SiHCl 3 ) through a thermal conversion reaction.
- STC silicon tetrachloride
- TCS trichlorosilane
- SiHCl 3 trichlorosilane
- the base plate 110 has an outlet hole 112 formed at the center thereof, and a plurality of inlet holes 111 are formed in the circumferential direction at the outer circumference thereof, and a heater 113 generating heat by application of power is installed on the upper surface. do.
- the bezel 120 is assembled to the base plate 110 to form a hot zone 123 sealed from an external region.
- the bezel 120 covers a side wall 121 and an upper side of the side wall 121.
- a description will be given taking an example consisting of 122.
- the heat exchange part 130 is a state in which the reaction gas (STC + H 2 ) flowing through the inlet hole 111 of the base plate 110 absorbs heat energy from the side wall 121 of the bezel 120 and is heated.
- a circulation passage 131 connecting the inlet hole 111 into which the reaction gas flows and the hot zone 123. Is done.
- cylindrical partitions 132 having different diameters are arranged to be concentric, and through holes 132a formed at one end or the other end of each partition 132 are positioned at the inlet hole 111.
- a zigzag-shaped circulation passage 131 is formed while being formed at positions staggered from one end or the other end with respect to each other.
- the reaction gas introduced into the circulation passage 131 through the inflow hole 111 located between the partition wall 132 disposed on the outside of the plurality of partition walls 132 and the side wall 121 of the bezel 120 is a partition wall.
- the spaces between the partition walls 132 are zigzag through the through holes 132a of the 132. Therefore, since the bezel 120 absorbs the heat energy transferred to the bezel 120 and the partition wall 132, not only the bezel 120 is heated but also heats the reaction gas supplied to the hot zone by using the heat energy lost to the outside of the bezel 120. The utilization efficiency of the is improved.
- the circulation passage 131 is formed by staggering the through holes 132a of the partition wall 132 to form a zigzag movement path, but the reaction gas moves through the circulation path in the process of passing through the circulation passage. It can also be configured in various forms to increase the heat exchange area and the heat exchange time by dispersing or converting.
- the thermal energy transmitted to the partition wall 132 is different depending on the location of the partition wall 132, that is, the distance from the heater 113, and thus, each partition wall 132 is heated to different temperatures.
- the temperature of the hot zone 123 is about 1200 ° C. and the temperature of the reaction gas supplied through the inlet hole 111 is 80 ° C.
- the side wall 121 maintains a temperature of about 200 ° C.
- the side wall is Since the partitions 132 contacting the hot zone 123 from the partition 132 facing the 121 are heated to a temperature of about 300 ° C., 500 ° C., and 700 ° C., respectively, the plurality of partitions 122 are located at the installed position. It should be made of a material having heat resistance corresponding to the heating temperature.
- the inlet hole 111 of the base plate 110 is adjacent to each other to supply the reaction gas at an equal pressure in the horizontal direction in the space between the bezel 120 and the outermost partition wall 132 A large number is provided.
- the through hole 132a is formed to penetrate through the plate surface of the partition 132 in the drawing, one end of the partition 132 is fixed to the base plate 110 or the cover 122 side, and the other end is
- the through hole 132a may be formed through the spaced spaced apart from the cover 122 or the base plate 110 by a predetermined distance, and may be formed in various forms for connecting both spaces of the partition wall 132.
- the bezel 120 includes the side wall 121 and the cover 122 as an example.
- the bezel 120 is provided inside the bezel 120.
- the heat exchanger 130 is formed in a shape corresponding to the inner surface of the bezel 120, that is, the same shape as the bezel 120 to configure a partition 132 spaced a predetermined distance from the inner surface of the bezel 120. It is possible. At this time, it is also possible to improve the heat exchange efficiency of the circulation passage 131 by arranging the partitions 132 as described above in a plurality and through-holes 132a are alternately formed.
- Figure 4 is a front sectional view of the heat conversion reaction closed container of the present invention
- Figure 5 is a plan sectional view of the heat conversion reaction closed container of the present invention.
- the side wall 121 of the bezel 120 is disposed above the outer edge of the base plate 110, and the cover 122 is disposed at the upper end of the side wall 121 while the airtight hot zone is airtight. 123 is formed. Then, while the power is applied to the heater 113 provided above the base plate 110, the internal temperature of the hot zone 123 is heated to about 900 °C to 1500 °C suitable for the reaction.
- the heat exchanger 130 is provided on the inner surface of the side wall 121 of the bezel 120 to surround the hot zone 123 by a circulation passage 131 connecting the inlet 111 and the hot zone 123. Cooling the 121 and at the same time increasing the temperature of the reaction gas supplied to the hot zone 123.
- the circulation passage 131 is fixed between the inlet hole 111 and the heater 113, the lower end is fixed to the base plate 110, the upper end is fixed to the cover 122 and the through hole 132a is formed on the plate surface It is comprised by the partition 132 which connects both spaces.
- the through holes 132a are alternately formed at one end or the other end of the partition 132 based on the inflow hole 111 to connect the inflow hole 111 and the hot zone 123 in a zigzag form.
- the reaction gas introduced into the circulation passage 131 through the inlet hole 111 absorbs the heat energy transferred to the bezel 120 and the partition wall 132 to cool the bezel 120 and to be heated at the same time. It is supplied to the hot zone 123.
- reaction gas absorbs the heat energy transferred to the side wall 121 of the bezel 120 and is supplied to the hot zone 123 in a heated state, the utilization efficiency of the heat energy is improved, as well as the temperature of the hot zone 123. It is possible to reduce the power consumption of the heater 113 for maintaining at a high temperature suitable for the reaction.
- the circulation passage 131 is formed in a zigzag form by the inflow hole 111 disposed to intersect one end or the other end with respect to the plurality of partitions 132 and the inflow hole 111 as described above. Therefore, the heat exchange area between the reaction gas introduced into the circulation passage 131 through the inflow hole 111 and the bezel 120 and the partition wall 132 is increased.
- FIG. 5 is a cross-sectional view taken along the line A-A 'of FIG. 4, and is formed through the outer periphery of the base plate 110 as shown in the drawing, and is located between the side wall 121 and the outer partition 132.
- Balls 111 are formed in plural at equal intervals along the circumferential direction, the reaction gas is supplied through each inlet hole 111 is supplied to the hot zone 123 through the circulation passage 131.
- the reaction gas is supplied at an equal pressure to all the inflow side regions of the circulation passage 131.
- the reaction gas rises or falls at an equal pressure with respect to the horizontal direction in each region of the circulation passage 131, the temperature of the side walls 121 and the partition walls 132 is prevented from increasing intensively in some regions. Done.
- FIG. 6 is a partial cutaway perspective view of a second embodiment of the heat conversion reaction closed container of the present invention
- Figure 7 is an exploded perspective view according to a second embodiment of the heat conversion reaction closed container of the present invention.
- the bezel 120 in the second embodiment of the heat conversion reaction closed container of the present invention as shown in the drawings is made of a bell-jar type (opening one side), the opening side is the base plate 110 ) To form a hot zone inside.
- the circulation passage 131 of the heat exchange part 130 provided inside the bezel 120 and connecting the inflow hole 111 and the hot zone 123 may have the inflow hole 111 and the heater of the base plate 110.
- At least one cylindrical partition wall 132 disposed between the 113, through-hole 132a formed at the end of the partition wall 132 on the opposite side of the inflow hole 111, and the outer peripheral portion is It is formed to be in close contact with the inner surface of the bezel is configured to include a cover 133 for closing the upper side of the cylindrical partition 132.
- a plurality of cylindrical partitions having different diameters are provided, and the through-holes formed in each partition are alternately formed based on the inflow hole. It is also possible to achieve a zigzag movement path. (See FIG. 6)
- components other than the bezel and the heat exchanger have the same configuration as in the above-described embodiment, detailed description thereof will be omitted.
- FIG. 8 is a front sectional view according to a second embodiment of the heat conversion reaction closed container of the present invention.
- the heat exchange part 130 has a cylindrical partition wall 132 having an upper side opened between the inlet hole 111 of the base plate 110 and the bell-shaped bezel 120, and the inflow from the plate surface of the partition wall 132.
- a through hole 132a formed at a position spaced apart from the ball 111 to connect the two side spaces, and the upper side of the partition 132 to close the opening side and the outer periphery is in close contact with the inner surface of the bezel 120 It consists of a cover 133.
- the partition 132 is provided with a plurality of different sizes, the space including the inlet hole 111 adjacent to the inner surface of the bezel 120 while both ends are supported on the cover 133 and the base plate 110.
- the space between the outlet hole 112 and the heater 113 is divided into a plurality of layers.
- the plurality of partition wall 132 is formed through the through-hole 132a at a mutually staggered position on the basis of the inlet hole 111, the circulation passage 131 for connecting between the inlet hole 111 and the hot zone 123 ) Is zigzag.
- the hot zone 123 maintains a temperature of about 900 ° C. to 1500 ° C. through the inlet hole 111.
- the supplied reaction gas is supplied at a vaporization temperature of STC which is much lower than the temperature of the hot zone maintaining the temperature of about 900 ° C to 1500 ° C.
- the reaction gas absorbs the heat energy transferred to the bezel 120 and the partition wall 132 while passing through the zigzag-shaped circulation passage 131 connecting the inlet 111 and the hot zone 123, the bezel 120 ), It is not necessary to provide a separate cooling system as in the prior art.
- the reaction gas supplied at the vaporization temperature of the STC which is much lower than the temperature of the hot zone, is heated to a temperature of about 500 ° C. to 900 ° C. while passing through the circulation passage 131 of the heat exchange unit 130. Since the temperature of the hot zone 123 can be prevented from being drastically lowered due to the inflow of the reaction gas, the power consumption of the heater 113 can be further reduced.
- the plurality of partitions 132 constituting the circulation passage 131 has a supply temperature of the reaction gas supplied to the hot zone, the amount of heat lost to the outside of the bezel 120, and The number may be adjusted in consideration of heat exchange efficiency according to the material.
- FIG. 9 is a perspective view of a third embodiment of the heat conversion reaction closed container of the present invention
- Figure 10 is an exploded perspective view of a third embodiment of the heat conversion reaction closed container of the present invention.
- the third embodiment of the heat conversion reaction closed container of the present invention as shown in the drawings comprises a base plate 110, a bezel 120, a heat exchanger 130 and a spray nozzle 140, Since the injection nozzle 140 is installed in the inlet hole 111 of the base plate 110, it differs from the above-described embodiment, and thus, detailed description of the rest of the configuration except for the injection nozzle 140 will be omitted.
- the injection nozzle 140 as described above is installed on the gas discharge side of the inlet hole 111 to disperse the injection direction of the reaction gas, one end of which is connected to the inlet hole 111 and the other end of the supply pipe 141 ) And at least one injection hole 142 formed laterally at the other end of the supply pipe 141 to discharge the reaction gas, and the reaction gas injected laterally through the injection hole 142. It is configured to include a guide 143 is spaced apart from the injection hole 142 by a predetermined interval to guide in the direction.
- FIG. 11 is a sectional front view of a third embodiment of the heat conversion reaction closed container of the present invention
- FIG. 12 is an enlarged view of portion “A” of FIG. 11.
- a circulation passage 131 is formed between the inlet hole 111 and the hot zone 123 by the heat exchanger 130 installed inside the bezel 120.
- a circulation passage 131 connecting the inflow hole 111 and the hot zone 123 by the plurality of partitions 132 constituting the heat exchange part 130 and through holes 132a formed in the partitions is provided.
- a zigzag movement path is achieved.
- reaction gas supplied to the vaporization temperature of the STC which is much lower than the temperature of the hot zone 123 through the inlet hole 111 passes through the circulating passage 131 in a zigzag form through the inlet hole 111, and the bezel 120. And absorbs heat energy transferred to the partition wall 132 and is supplied to the hot zone 123 in a heated state.
- the injection nozzles 140 are assembled on the discharge sides of the inlet holes 111 to disperse the reaction gas supplied to the circulation passage 131 of the heat exchange unit 130 through the inlet hole 111 so that the injection pressure is one. Prevents concentration on the area.
- the reaction gas is injected toward the lower region of the circulation passage 131, the reaction gas is supplied to the region between the adjacent injection nozzles 140, thereby performing heat exchange, thereby improving heat exchange efficiency.
- the reaction gas supplied through the inlet hole 111 passes through the supply pipe 141 and the other end of the supply pipe 141 of the injection nozzle 140 installed at the gas discharge side of the inlet hole 111 in a lateral direction.
- the supply pressure is dispersed while being discharged to the formed injection hole 142, respectively.
- the reaction gas is injected toward the bottom surface of the base plate 110 by the guide 143 provided at a position spaced apart from the injection hole 142 by a predetermined distance.
- the reaction gas moves at a uniform pressure from the lower region to the upper region of the circulation passage 131, the time for absorbing the heat energy transferred to the partition wall 132 and the bezel 120 is extended.
- the reaction gas is switched from the two injection nozzles 140, the supply direction is supplied to the heat exchange is made to provide an advantage that the heat exchange efficiency is improved.
- FIG. 13 is a cross-sectional view showing another embodiment of the spray nozzle according to the heat conversion reaction closed container of the present invention.
- the injection nozzle 140 ′ of another embodiment as shown in the drawing has a supply pipe 141 having one end connected to the inlet hole 111 and the other end closed, and a downward inclination direction from the other end of the supply pipe 141. It has a difference from the injection nozzle 140 of the above-described embodiment in that at least one injection hole 142 is formed to discharge the reaction gas is formed.
- the injection nozzle 140 ' according to another embodiment of the present invention, which is configured as described above, is installed at the reaction gas discharge side of the inlet hole 111 located between the bezel 120 and the partition wall 132.
- the reaction gas is supplied through the inlet hole 111 in the state, the lower portion of the circulation passage 131 through the plurality of injection holes 142 formed to be inclined downward from the other end of the supply pipe 141 of the injection nozzle 140 '. Discharged.
- the reaction gas is dispersed in various directions, and the injection holes 142 are formed to be inclined downward so that the supply direction of the reaction gas is inclined downward in the lower region of the circulation passage 131.
- the reaction gas is moved evenly to the upper region by the pressure concentrated in the lower region of the circulation passage 131, so that the time for absorbing the heat energy transferred to the partition wall 132 and the bezel 120 is extended.
- the reaction gas is also supplied to the space between the adjacent pair of injection nozzles 140 ′ to provide heat exchange efficiency in the entire area between the partition wall 132 and the bezel 120. do.
- FIG. 14 is a cross-sectional view of a fourth embodiment of the heat conversion reaction closed container of the present invention, in which the heat conversion reaction closed container of the present invention is a chemical vapor deposition reactor (CVD reactor) for producing high purity polycrystalline silicon. It demonstrates as an example.
- CVD reactor chemical vapor deposition reactor
- the heat conversion reaction closed container includes a base plate 110, a bezel 120, a heat exchanger 130, and a spray nozzle 140. do.
- the heater 113 provided in the base plate 110 is heat-resisted by a supply of power, and a seed filament is applied to induce deposition of silicon on an outer surface.
- the circulation passage 131 of the heat exchanger 130 is disposed to surround the heater 113 and the outlet hole 112 and includes a heater 113 and an outlet hole 112 and an inlet hole 111.
- Bell-shaped partition wall 132 that divides the space adjacent to the inner surface of the bezel 120 including a) and the through hole 132a formed on the opposite side of the partition wall 132 based on the inflow hole 111 It is composed by.
- the configuration other than the heater 113 and the circulation passage 131 as described above has the same configuration as the above-described embodiment.
- the injection nozzle 140 installed in the portion indicated by "A" of Fig. 14 is the injection nozzle 140 shown in Fig. 13 mentioned in the above-described embodiment or the injection nozzle 140 'shown in Fig. Since the configuration is the same as, the description of the same configuration as the above embodiment is omitted.
- the inlet hole (When the reaction gas (TCS + H 2 ) is supplied through 111, the silicon component in the reaction gas is deposited on the outer surface of the heater 113, and hydrogen chloride (3HCl) remaining after the reaction causes the outlet hole 112 to be discharged. Is discharged through.
- the reaction gas supplied through the inlet hole 111 is introduced into the space between the partition wall 132 and the bezel 120, and circulates along the moving path of the circulation passage 131 by the supply pressure, After absorbing the heat energy transmitted to the 120 and the partition 132, the bezel 120 and the partition 132 in the process of supplying the hot zone 123 through the through hole 132a spaced apart from the inlet hole 111 It absorbs heat energy transferred to).
- the reaction gas supplied at a temperature lower than the reaction temperature is supplied to the hot zone in a heated state, the power consumption of the heater 113 for maintaining the temperature of the hot zone 123 at a high temperature can be reduced.
- the reaction gas absorbs the heat energy transferred to the bezel 120 and the partition wall 132 to cool the bezel 120, a cooling system that is separately installed outside the bezel 120 to cool the bezel 120 is provided. It may omit or provide an advantage of minimizing the capacity or driving amount of the cooling system.
- the injection nozzles 140 are assembled on the discharge sides of the inlet holes 111, the supply pressure of the reaction gas supplied to the circulation passage 131 of the heat exchange unit 130 is distributed through the inlet hole 111.
- the reaction gas is injected toward the lower region of the circulation passage 131, the reaction gas is supplied to the region between the lower region of the circulation passage 131 and the adjacent pair of injection nozzles 140, thereby performing heat exchange. The efficiency is improved.
- thermoconversion closed container is provided that does not require a system.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Silicon Compounds (AREA)
- Hydrogen, Water And Hydrids (AREA)
Abstract
Description
Claims (12)
- 베이스 플레이트;상기 베이스 플레이트와의 사이에 밀폐된 핫존을 형성하는 베젤;상기 핫존에 배치되는 히터;상기 핫존으로 반응 가스를 공급 및 배출하는 유입공과 유출공; 및,상기 유입공을 통해 핫존으로 공급되는 반응 가스가 상기 베젤로 전달되는 열에너지를 흡수하여 베젤의 온도를 냉각시키는 것과 동시에 가열된 상태로 상기 핫존으로 공급되도록 상기 베젤의 내측에 형성되는 열교환부;를 포함하는 것을 특징으로 하는 열변환반응 밀폐용기.
- 제 1항에 있어서,상기 열교환부는 상기 베젤과 핫존 사이 공간을 순환하며 상기 유입공과 핫존을 연결하는 순환통로로 이루어지는 것을 특징으로 하는 열변환반응 밀폐용기.
- 제 2항에 있어서,상기 순환통로는 유입공을 포함하는 베젤의 내측면에 인접한 공간과 히터와 유출공을 포함하는 공간을 구분하는 격벽과, 상기 유입공을 통해 공급된 반응가스가 격벽과 베젤의 사이공간을 이동하면서 열교환을 이룬 뒤 핫존으로 공급되도록 유입공으로부터 이격 되어 상기 격벽의 판면에 형성되는 관통공을 포함하는 것을 특징으로 하는 열변환반응 밀폐용기.
- 제 3항에 있어서,상기 격벽은 유입공을 포함하는 베젤의 내측면에 인접한 공간과 히터와 유출공을 포함하는 공간의 사이를 다층으로 구분하도록 서로 크기를 갖는 두개 이상의 통형으로 마련되고, 크기가 큰 격벽의 내측으로 크기가 작은 격벽이 삽입되는 형태로 배치되는 것을 특징으로 하는 열변환반응 밀폐용기.
- 제 4항에 있어서,상기 두개 이상의 격벽은 판면에 형성되는 관통공이 유입공을 기준으로 서로 엇갈리게 형성되어 공급가스의 이동경로가 전환되는 것을 특징으로 하는 열변환반응 밀폐용기.
- 제 5항에 있어서,상기 격벽은 상측이 개구된 통형으로 이루어지고, 상기 격벽들의 상측을 마감하며 외주연부가 상기 베젤의 내측면에 밀착되는 커버를 더 포함하는 것을 특징으로 하는 열변환반응 밀폐용기.
- 제 6항에 있어서,상기 격벽은 설치된 위치에서 핫존으로부터 전달되는 열에너지에 의해 가열되는 온도에 대하여 내열성을 갖는 재질로 이루어지는 것을 특징으로 하는 열변환반응 밀폐용기.
- 제 1항 내지 제 7항 중 어느 한 항에 있어서,상기 유입공의 가스 배출측에 마련되어 상기 열교환부로 공급되는 가스를 분산시키는 분사노즐;을 포함하는 열변환반응 밀폐용기.
- 제 8항에 있어서,상기 유입공은 상기 격벽과 베젤의 사이영역에 대응되는 베이스플레이트의 판면에 소정간격 이격되도록 다수 형성되는 것을 특징으로 하는 열변환반응 밀폐용기.
- 제 9항에 있어서,상기 분사노즐은 일단부가 상기 유입공과 연결되어 가스가 공급되고 타단부는 마감된 공급관과, 상기 공급관으로부터 측방향으로 형성되어 가스가 배출되는 적어도 하나의 분사공이 형성되는 것을 특징으로 하는 열변환반응 밀폐용기.
- 제 10항에 있어서,상기 분사노즐은 상기 분사공으로부터 이격되어 측방향으로 분사되는 가스를 하측방향으로 유도하는 가이드가 형성되는 것을 특징으로 하는 열변환반응 밀폐용기.
- 제 11항에 있어서,상기 분사노즐은 일단부가 상기 유입공과 연결되어 가스가 공급되고 타단부는 마감된 공급관과, 상기 공급관으로부터 하향경사방향으로 형성되어 가스가 배출되는 적어도 하나의 분사공이 형성되는 것을 특징으로 하는 열변환반응 밀폐용기.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/257,034 US20120039760A1 (en) | 2009-03-20 | 2010-03-18 | Hermetic Container for Thermal Conversion Reaction |
JP2012500722A JP2012520759A (ja) | 2009-03-20 | 2010-03-18 | 熱変換反応密閉容器 |
CN2010800129826A CN102361688A (zh) | 2009-03-20 | 2010-03-18 | 热转换反应密封容器 |
Applications Claiming Priority (4)
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KR1020090023875A KR101079340B1 (ko) | 2009-03-20 | 2009-03-20 | 열변환반응에 의한 트리클로로실란 제조장치 |
KR10-2009-0023875 | 2009-03-20 | ||
KR1020090027973A KR101181458B1 (ko) | 2009-04-01 | 2009-04-01 | 열변환반응 밀폐용기 |
KR10-2009-0027973 | 2009-04-01 |
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WO2010107262A2 true WO2010107262A2 (ko) | 2010-09-23 |
WO2010107262A3 WO2010107262A3 (ko) | 2010-12-23 |
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PCT/KR2010/001686 WO2010107262A2 (ko) | 2009-03-20 | 2010-03-18 | 열변환반응 밀폐용기 |
Country Status (4)
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US (1) | US20120039760A1 (ko) |
JP (1) | JP2012520759A (ko) |
CN (1) | CN102361688A (ko) |
WO (1) | WO2010107262A2 (ko) |
Cited By (1)
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US20110274851A1 (en) * | 2010-05-10 | 2011-11-10 | Mitsubishi Materials Corporation | Apparatus for producing polycrystalline silicon |
Families Citing this family (6)
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US9168502B2 (en) * | 2011-11-28 | 2015-10-27 | Mitsubishi Materials Corporation | Apparatus for producing trichlorosilane |
KR101895526B1 (ko) * | 2015-08-28 | 2018-09-05 | 한화케미칼 주식회사 | 폴리실리콘 제조 장치 |
US11293094B2 (en) * | 2018-04-05 | 2022-04-05 | Tokuyama Corporation | Polycrystalline silicon rod manufacturing method, and reactor |
WO2020255672A1 (ja) * | 2019-06-17 | 2020-12-24 | 株式会社トクヤマ | 棒状体、治具、取り外し方法およびシリコンロッドの製造方法 |
KR20210065054A (ko) * | 2019-11-25 | 2021-06-03 | 주식회사 원익아이피에스 | 가스 공급 블록 및 이를 포함하는 기판 처리 장치 |
CN113753899B (zh) * | 2021-10-25 | 2022-05-03 | 江苏大学 | 一种还原炉保温结构、多晶硅还原炉及工作方法 |
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- 2010-03-18 WO PCT/KR2010/001686 patent/WO2010107262A2/ko active Application Filing
- 2010-03-18 US US13/257,034 patent/US20120039760A1/en not_active Abandoned
- 2010-03-18 JP JP2012500722A patent/JP2012520759A/ja active Pending
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Also Published As
Publication number | Publication date |
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WO2010107262A3 (ko) | 2010-12-23 |
US20120039760A1 (en) | 2012-02-16 |
JP2012520759A (ja) | 2012-09-10 |
CN102361688A (zh) | 2012-02-22 |
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