CN110841565A - A retort for preparing fumed silica - Google Patents
A retort for preparing fumed silica Download PDFInfo
- Publication number
- CN110841565A CN110841565A CN201911087674.9A CN201911087674A CN110841565A CN 110841565 A CN110841565 A CN 110841565A CN 201911087674 A CN201911087674 A CN 201911087674A CN 110841565 A CN110841565 A CN 110841565A
- Authority
- CN
- China
- Prior art keywords
- wall
- reaction tank
- gas
- bolt
- fumed silica
- 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.)
- Pending
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910021485 fumed silica Inorganic materials 0.000 title claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 63
- 238000006243 chemical reaction Methods 0.000 claims abstract description 45
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000001257 hydrogen Substances 0.000 claims abstract description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 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 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 239000005049 silicon tetrachloride Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 14
- 239000000377 silicon dioxide Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- JMPVZWBJWHQJDD-UHFFFAOYSA-N sulfur tetrachloride Chemical compound ClS(Cl)(Cl)Cl JMPVZWBJWHQJDD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- B01J12/00—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
-
- 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
- B01J19/0053—Details of the reactor
-
- 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
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
-
- 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
- B01J19/18—Stationary reactors having moving elements inside
-
- 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
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
Abstract
The invention discloses a reaction tank for preparing fumed silica, which comprises a reaction tank body, wherein the outer wall of one side of the reaction tank body is connected with a gas storage tank through a bolt, the outer wall of the top of the gas storage tank is provided with a first gas guide pipe, the outer wall of one side of the first gas guide pipe is connected with a first control valve through a bolt, the outer wall of one end of the first gas guide pipe is welded with a U-shaped pipe, the outer wall of one side of the reaction tank body is connected with a hydrogen tank through a bolt, the outer wall of the top of the hydrogen tank is provided with a second gas guide pipe, the outer wall of one side of the second gas guide pipe is connected with a second control valve through a bolt, and the outer. The reaction tank has the advantages that the silicon tetrachloride can be reacted more fully, the using effect is better, the full collection of materials is effectively realized, the practicability is higher, the reaction tank is ensured not to explode due to overlarge air pressure, and the safety of the reaction tank in the using process is effectively improved.
Description
Technical Field
The invention relates to the technical field of preparation of fumed silica, in particular to a reaction tank for preparing fumed silica.
Background
The process principle of the gas-phase silicon dioxide is that silicon tetrachloride is hydrolyzed in oxyhydrogen flame to burn the silicon tetrachloride gas in hydrogen and oxygen flame to prepare smog-shaped, fine-particle and smooth-surface silicon dioxide powder, and the silicon dioxide powder is condensed into flocculence, the silicon dioxide produced by the gas-phase method is a high-quality product with high purity and small particle size, the content of the silicon dioxide in the product is more than 99.8 percent, the specific surface area is more than 300cm2/g, and the product is generally used for fine packing, but the raw material price is high, the reaction flow is long, the energy consumption in the production process is large, and the product price is high.
At present, in the process of preparing silica in a reaction tank, the prepared silica powder is easily adhered to a collecting hopper and is difficult to collect, and the purity of the silica prepared by the method is high, and if the silica on the collecting hopper is not collected, the silica is wasted, so that the reaction tank for preparing fumed silica needs to be designed to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a reaction tank for preparing fumed silica.
In order to achieve the purpose, the invention adopts the following technical scheme:
a reaction tank for preparing fumed silica comprises a reaction tank body, wherein one side outer wall of the reaction tank body is connected with a gas storage tank through a bolt, the top outer wall of the gas storage tank is provided with a first gas guide pipe, one side outer wall of the first gas guide pipe is connected with a first control valve through a bolt, a U-shaped pipe is welded at one end outer wall of the first gas guide pipe, one side outer wall of the reaction tank body is connected with a hydrogen tank through a bolt, the top outer wall of the hydrogen tank is provided with a second gas guide pipe, one side outer wall of the second gas guide pipe is connected with a second control valve through a bolt, one end outer wall of the second gas guide pipe is communicated with the U-shaped pipe, a concave hole is formed in the bottom outer wall of the U-shaped pipe, a gas mixing pipe is welded at the inner wall of the concave hole, an igniter is connected at, and the welding of the top outer wall of bracing piece has the collecting hopper, the bottom outer wall of collecting hopper is provided with row material pipe, and the inner wall threaded connection who arranges material pipe has sealed lid, the inner wall welding of arranging material pipe has the connecting rod, and the welding of the one end outer wall of connecting rod has motor housing, motor housing's inner wall has the motor through bolted connection, and the output shaft one end of motor is provided with the dwang, and one side outer wall of dwang is provided with the scraper blade, there is the oxygen jar one side outer wall of retort body through bolted connection, and the welding of the top outer wall of oxygen jar has the third air duct, the one end outer wall and the retort body of third air duct communicate mutually, and one side outer wall of third air duct.
As a still further scheme of the invention: the inner wall of gas-mixing pipe is provided with the fixed plate, and the top outer wall of fixed plate opens there is the shrinkage pool, and the inner wall of shrinkage pool rotates through the bearing to be connected with the axis of rotation, and the top outer wall and the bottom outer wall of axis of rotation all are provided with the flabellum.
As a still further scheme of the invention: four corners of retort body bottom outer wall all are provided with the supporting leg.
As a still further scheme of the invention: the reaction tank is characterized in that a fixed opening is formed in the outer wall of the top of the reaction tank body, and an air release cylinder is welded to the inner wall of the fixed opening.
As a still further scheme of the invention: the top inner wall of the air release cylinder is provided with a spring, the outer wall of the bottom of the spring is provided with a rubber plug, and the outer wall of the air release cylinder is provided with exhaust holes which are distributed annularly at equal intervals.
As a still further scheme of the invention: the igniter and the motor are both connected with a switch through a lead, and the switch is connected with a power supply through a lead.
As a still further scheme of the invention: the outer wall of one side of retort body is opened there is the viewing aperture, and the inner wall of viewing aperture has the observation window through fastening bolt connection.
The invention has the beneficial effects that:
1. through the U-shaped pipe, the gas mixing pipe, the rotating shaft and the fan blades, the first control valve and the second control valve are opened, sulfur tetrachloride in the gas storage tank and hydrogen in the hydrogen tank are led into the U-shaped pipe through the first gas guide pipe and the second gas guide pipe respectively and enter the gas mixing pipe to be mixed, flowing gas can drive the fan blades on the rotating shaft to rotate, so that the gas flows spirally, the gas can be mixed more uniformly, after the hydrogen in the mixed gas is ignited and combusted through the igniter, the silicon tetrachloride can react more fully, and the using effect is better;
2. through the arranged collection hopper, the motor, the rotating rod and the scraper, the silicon dioxide powder generated after reaction can fall on the collection hopper, at the moment, the driving motor works to drive the scraper on the rotating rod to rotate, so that the powder on the collection hopper is scraped into the discharge pipe, unnecessary waste is avoided, the full collection of the material is effectively realized, and the practicability is higher;
3. through gas leakage cylinder, spring, rubber buffer and the exhaust hole that sets up, in the reaction process, the pressure in the retort can constantly increase, and the rubber buffer can be along with pressure constantly increases compression spring, leaks until the exhaust hole, releases atmospheric pressure, guarantees that the retort can not explode because of atmospheric pressure is too big, has effectively improved the security in the retort use.
Drawings
FIG. 1 is a schematic sectional view showing a reaction tank for producing fumed silica according to example 1;
FIG. 2 is a schematic front view showing the structure of a reaction tank for preparing fumed silica according to example 1;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 4 is an enlarged view of the structure at B in FIG. 1;
FIG. 5 is a schematic view showing the overall structure of a reaction tank for preparing fumed silica proposed in example 2.
In the figure: the reaction tank comprises a reaction tank body 1, a gas storage tank 2, a first control valve 3, a first gas guide pipe 4, a U-shaped pipe 5, a gas mixing pipe 6, an igniter 7, a second gas guide pipe 8, a second control valve 9, a hydrogen tank 10, a material collecting hopper 11, a material discharging pipe 12, a motor shell 13, a motor 14, a sealing cover 15, a rotating rod 16, a scraping plate 17, a gas discharging cylinder 18, an oxygen tank 19, a third control valve 20, a third gas guide pipe 21, a fixing plate 22, a rotating shaft 23, a fan blade 24, a spring 25, a rubber plug 26, an exhaust hole 27 and an observation window 28.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-4, a reaction tank for preparing fumed silica, comprising a reaction tank body, wherein the outer wall of one side of the reaction tank body 1 is connected with a gas storage tank 2 through a bolt, the outer wall of the top of the gas storage tank 2 is welded with a first gas guide tube 4, the outer wall of one side of the first gas guide tube 4 is connected with a first control valve 3 through a bolt, the outer wall of one end of the first gas guide tube 4 is welded with a U-shaped tube 5, the outer wall of one side of the reaction tank body 1 is connected with a hydrogen tank 10 through a bolt, the outer wall of the top of the hydrogen tank 10 is welded with a second gas guide tube 8, the outer wall of one side of the second gas guide tube 8 is connected with a second control valve 9 through a bolt, the outer wall of one end of the second gas guide tube 8 is communicated with the U-shaped tube 5, the outer wall of the bottom, the welding of the bottom inner wall of retort body 1 has the bracing piece, and the welding of the top outer wall of bracing piece has aggregate bin 11, the welding of the bottom outer wall of aggregate bin 11 has row material pipe 12, and the inner wall threaded connection who arranges material pipe 12 has sealed lid 15, the welding of the inner wall of arranging material pipe 12 has the connecting rod, and the welding of the one end outer wall of connecting rod has motor housing 13, motor housing 13's inner wall has motor 14 through bolted connection, and motor 14's output shaft one end is provided with dwang 16, the welding of one side outer wall of dwang 16 has scraper blade 17, there is oxygen tank 19 one side outer wall of retort body 1 through bolted connection, and the welding of the top outer wall of oxygen tank 19 has third air duct 21, the one end outer wall of third air duct 21 and retort body 1 are linked together, and one.
Wherein, the inner wall welding of gas mixing pipe 6 has fixed plate 22, and the top outer wall of fixed plate 22 is opened there is the shrinkage pool, the inner wall of shrinkage pool rotates through the bearing and is connected with axis of rotation 23, the top outer wall and the bottom outer wall of axis of rotation 23 all are provided with flabellum 24, the supporting leg has all been welded to four corners of the outer wall of 1 bottom of retort body, open the top outer wall of retort body 1 has the fixed orifices, and the inner wall welding of fixed orifices has the gas leakage jar 18, the top inner wall welding of gas leakage jar 18 has spring 25, and spring 25's bottom outer wall is provided with rubber buffer 26, the outer wall of the gas leakage jar 18 is opened and is had the exhaust hole 27 that the equidistance is the annular distribution, some.
The working principle is as follows: when the device is used, the first control valve 3 and the second control valve 20 are opened, sulfur tetrachloride in the gas storage tank 2 and hydrogen in the hydrogen tank 10 are respectively led into the U-shaped pipe 5 through the first air duct 4 and the second air duct 8 and enter the gas mixing pipe 6 to be mixed, the flowing gas drives the fan blades 24 on the rotating shaft 23 to rotate, so that the gas flows spirally and can be mixed more uniformly, after the hydrogen in the mixed gas is ignited and combusted through the igniter 7, the silicon tetrachloride can react more sufficiently, the using effect is better, meanwhile, the third control valve 20 is opened, oxygen in the oxygen tank 19 enters the reaction tank, so that the combustion is more sufficient, silicon dioxide powder generated after the reaction falls on the collecting hopper 11, at the moment, the driving motor 14 works, the scraper 17 on the rotating rod 16 can be driven to rotate, powder on the collecting hopper 11 is scraped into the discharge pipe 12, avoid unnecessary extravagant, effectively realized the abundant collection of material, had more the practicality, in the reaction sequence, pressure in the retort can constantly increase, and rubber buffer 26 can be along with pressure constantly increases compression spring 25, spills up to exhaust hole 27, releases atmospheric pressure, guarantees that the retort can not explode because of atmospheric pressure is too big, has effectively improved the security in the retort use.
Example 2
Referring to fig. 5, in this embodiment, compared with embodiment 1, the reaction tank for preparing fumed silica further includes an observation port formed on an outer wall of one side of the reaction tank body 1, and an observation window 28 is connected to an inner wall of the observation port through a fastening bolt.
The working principle is as follows: when in use, the observation window 28 can be used for observing the reaction state, and the use is more convenient.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A reaction tank for preparing fumed silica comprises a reaction tank body (1) and is characterized in that the outer wall of one side of the reaction tank body (1) is connected with a gas storage tank (2) through a bolt, the outer wall of the top of the gas storage tank (2) is provided with a first gas guide pipe (4), the outer wall of one side of the first gas guide pipe (4) is connected with a first control valve (3) through a bolt, a U-shaped pipe (5) is welded on the outer wall of one end of the first gas guide pipe (4), the outer wall of one side of the reaction tank body (1) is connected with a hydrogen tank (10) through a bolt, the outer wall of the top of the hydrogen tank (10) is provided with a second gas guide pipe (8), the outer wall of one side of the second gas guide pipe (8) is connected with a second control valve (9) through a bolt, and the outer wall of one, the bottom outer wall of the U-shaped pipe (5) is provided with a concave hole, the inner wall of the concave hole is welded with a gas mixing pipe (6), one side outer wall of the gas mixing pipe (6) is connected with an igniter (7) through a bolt, the bottom inner wall of the reaction tank body (1) is provided with a support rod, the top outer wall of the support rod is welded with a material collecting hopper (11), the bottom outer wall of the material collecting hopper (11) is provided with a material discharging pipe (12), the inner wall of the material discharging pipe (12) is connected with a sealing cover (15) in a threaded manner, the inner wall of the material discharging pipe (12) is welded with a connecting rod, the outer wall of one end of the connecting rod is welded with a motor shell (13), the inner wall of the motor shell (13) is connected with a motor (14) through a bolt, one end of an output shaft of the motor (14) is provided with a rotating rod, and the outer wall of the top of the oxygen tank (19) is welded with a third air duct (21), the outer wall of one end of the third air duct (21) is communicated with the reaction tank body (1), and the outer wall of one side of the third air duct (21) is connected with a third control valve (20) through a bolt.
2. The reaction tank for preparing fumed silica according to claim 1, wherein the inner wall of the gas mixing pipe (6) is provided with a fixing plate (22), the outer wall of the top of the fixing plate (22) is provided with a concave hole, the inner wall of the concave hole is rotatably connected with a rotating shaft (23) through a bearing, and the outer wall of the top and the outer wall of the bottom of the rotating shaft (23) are provided with fan blades (24).
3. The reactor tank for preparing fumed silica according to claim 1, wherein the reactor tank body (1) is provided with supporting legs at four corners of the outer wall of the bottom.
4. The reaction tank for the preparation of fumed silica according to claim 1, wherein the outer wall of the top of the reaction tank body (1) is opened with a fixed opening, and the inner wall of the fixed opening is welded with a gas leakage tube (18).
5. The reaction tank for preparing fumed silica according to claim 4, wherein the top inner wall of the gas release cylinder (18) is provided with a spring (25), the bottom outer wall of the spring (25) is provided with a rubber plug (26), and the outer wall of the gas release cylinder (18) is provided with exhaust holes (27) which are distributed annularly at equal intervals.
6. The retort for preparing fumed silica according to claim 1, wherein the igniter (7) and the motor (14) are connected with a switch through wires, and the switch is connected with a power supply through wires.
7. The reactor for preparing fumed silica according to any one of claims 1 to 6, wherein an observation port is formed on one side outer wall of the reactor body (1), and an observation window (28) is connected to the inner wall of the observation port through fastening bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911087674.9A CN110841565A (en) | 2019-11-08 | 2019-11-08 | A retort for preparing fumed silica |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911087674.9A CN110841565A (en) | 2019-11-08 | 2019-11-08 | A retort for preparing fumed silica |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110841565A true CN110841565A (en) | 2020-02-28 |
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ID=69600158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911087674.9A Pending CN110841565A (en) | 2019-11-08 | 2019-11-08 | A retort for preparing fumed silica |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110841565A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6177134B1 (en) * | 1997-01-15 | 2001-01-23 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Goerges Claude | Process and plant for the production of a gaseous mixture containing a carrier gas an oxidizing gas and a silane |
| CN102167335A (en) * | 2011-03-18 | 2011-08-31 | 中国恩菲工程技术有限公司 | Reactor for processing silicon tetrachloride as byproduct of polysilicon |
| CN104045064A (en) * | 2013-03-15 | 2014-09-17 | 昭和电工株式会社 | Reaction method and reaction device |
| CN208742504U (en) * | 2018-09-17 | 2019-04-16 | 金溪斯普瑞药业有限公司 | A kind of medication chemistry charging device |
| CN211274587U (en) * | 2019-11-08 | 2020-08-18 | 协鑫高科纳米新材料(徐州)有限公司 | Reaction tank for preparing fumed silica |
-
2019
- 2019-11-08 CN CN201911087674.9A patent/CN110841565A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6177134B1 (en) * | 1997-01-15 | 2001-01-23 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Goerges Claude | Process and plant for the production of a gaseous mixture containing a carrier gas an oxidizing gas and a silane |
| CN102167335A (en) * | 2011-03-18 | 2011-08-31 | 中国恩菲工程技术有限公司 | Reactor for processing silicon tetrachloride as byproduct of polysilicon |
| CN104045064A (en) * | 2013-03-15 | 2014-09-17 | 昭和电工株式会社 | Reaction method and reaction device |
| CN208742504U (en) * | 2018-09-17 | 2019-04-16 | 金溪斯普瑞药业有限公司 | A kind of medication chemistry charging device |
| CN211274587U (en) * | 2019-11-08 | 2020-08-18 | 协鑫高科纳米新材料(徐州)有限公司 | Reaction tank for preparing fumed silica |
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Application publication date: 20200228 |
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