CN209989070U - Special chlorination purification rotary device of quartz sand - Google Patents
Special chlorination purification rotary device of quartz sand Download PDFInfo
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- CN209989070U CN209989070U CN201920772405.5U CN201920772405U CN209989070U CN 209989070 U CN209989070 U CN 209989070U CN 201920772405 U CN201920772405 U CN 201920772405U CN 209989070 U CN209989070 U CN 209989070U
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Abstract
The utility model relates to a special chlorination purification rotary device of quartz sand belongs to quartz sand purification equipment technical field. The device consists of a frame, a quartz glass tube, a transmission motor, a main transmission wheel, a driven wheel, an electric push rod and a heat preservation tube; the top end of the rack is provided with a heat insulation pipe through a support frame, a quartz glass pipe is annularly arranged in the heat insulation pipe, two ends of the quartz glass pipe extend to the outer side of the heat insulation pipe, wheel rings are fixedly arranged on the quartz glass pipe extending to the outer side of the heat insulation pipe respectively, a main driving wheel and a driven wheel are arranged on the rack below the wheel rings through a bearing seat and a transmission shaft respectively, and the main driving wheel and the driven wheel are in contact connection with the wheel rings; a transmission motor is fixedly arranged in the frame through a motor mounting seat and is connected with a main transmission wheel through a transmission chain; an electric push rod is arranged on the movable wheel at the bottom end of the frame. The device passes through the spiral helicine baffle upset quartz sand, and electric putter adjusts the inclination of quartz glass pipe, makes things convenient for quartz sand feeding and ejection of compact.
Description
Technical Field
The utility model relates to a special chlorination purification rotary device of quartz sand belongs to quartz sand purification equipment technical field.
Background
The high-quality quartz glass material is widely applied to the optical, semiconductor and microelectronic industries, the raw material for melting the quartz glass is mainly natural quartz ore, and the performance of the quartz glass material is directly determined by the purification technology of natural quartz sand. American, Japanese and Russian scholars respectively adopt different quartz ore sources, and can control the total content of metal impurities in quartz sand within 10 ppm. The IOTA series products from the company of Enaming in the United states can control the impurities of the quartz sand within 8 ppm, and become the world universal standard of high-purity quartz sand. The content of metal impurity ions in the quartz crystal structure of natural quartz ore directly determines the quality of quartz glass, the existence of metal impurities has great influence on the inherent performance of quartz glass materials, so that the performance indexes of devitrification, softening point, light transmission, refractive index, fluorescence, expansion coefficient and the like of the quartz glass are greatly reduced, particularly, alkali metals such as potassium, sodium, lithium and the like are harmful impurities which are easily diffused into a silicon wafer, and the requirement on the content of the alkali metal impurities of quartz products in the semiconductor industry is very strict. The high-temperature chlorination purification technology for quartz sand raw material is characterized by that it utilizes the structure reconstruction resulted from phase change (alpha phase, beta phase and gamma phase) of quartz crystal at different high temperatures to produce expansion tear and produce lots of internal microcracks, and utilizes the high-temperature introduction of hydrogen chloride and chlorine gas to react with metal impurity in the quartz sand, in particular alkali metal impurity to produce low-boiling gaseous potassium chloride, sodium chloride and lithium chloride, etc. to escape so as to reduce the content of metal impurity in the quartz sand raw material and raise the purity of quartz sand.
At present, due to the structure of the existing quartz sand purification device, in the purification process, quartz sand is easy to stack and fall together in a calcining furnace and cannot be dispersed, so that the quartz sand and chlorine-containing gas cannot be completely and fully contacted and chemically reacted, and the purification degree of the quartz sand is directly influenced; the existing device is complex in structure, complex in operation of workers during working, high in labor intensity and low in production efficiency, and the productivity of enterprises is affected; therefore, it is necessary to develop a special chlorination and purification rotating device for quartz sand, which has reasonable design and convenient use, can effectively improve the production efficiency and reduce the labor intensity of workers.
Disclosure of Invention
The utility model aims to provide a: aiming at the defects, the special chlorination and purification rotating device for the quartz sand is reasonable in design, simple to operate, capable of effectively improving the purity and the production efficiency of the quartz sand and capable of reducing the labor intensity.
The technical scheme of the utility model is that:
a special chlorination purification rotating device for quartz sand comprises a frame, a quartz glass tube, a transmission motor, a main transmission wheel, a driven wheel, an electric push rod and a heat preservation tube; the method is characterized in that: the top end of the rack is provided with a heat insulation pipe through a support frame, a quartz glass pipe is annularly arranged in the heat insulation pipe, two ends of the quartz glass pipe extend to the outer side of the heat insulation pipe, wheel rings are fixedly arranged on the quartz glass pipe extending to the outer side of the heat insulation pipe respectively, a main driving wheel and a driven wheel are arranged on the rack below the wheel rings through a bearing seat and a transmission shaft respectively, and the main driving wheel and the driven wheel are in contact connection with the wheel rings; a transmission motor is fixedly arranged in the frame through a motor mounting seat and is connected with a main transmission wheel through a transmission chain; a plurality of movable wheels are fixedly arranged at the bottom end of the frame respectively, and electric push rods are arranged on the movable wheels.
The circumferences of the main driving wheel and the driven wheel are respectively provided with an annular groove.
The circumference of the heat preservation pipe is provided with a wiring terminal, and the inner wall of the heat preservation pipe is provided with an electric heating coil.
End covers are respectively installed at two end ports of the quartz glass tube in a threaded mode; the inner wall of the quartz glass tube is provided with a spiral baffle plate, and the height of the baffle plate is 2 cm.
The end cover is a cylinder with a boss, and external threads are arranged on the circumference of the end cover; and a sealing bearing sleeve is fixedly arranged in the central through hole of the end cover.
And a rubber sealing sleeve is arranged on the inner wall of the sealing bearing sleeve.
The utility model has the advantages that:
the special chlorination and purification rotating device for the quartz sand is reasonable in design and convenient to use, and the spiral quartz glass baffle is designed on the inner wall of the quartz glass tube, so that the quartz sand can be turned over in the quartz glass tube ceaselessly, the quartz sand can be in full contact with chlorine-containing gas at 1000 ℃, metal impurities in the quartz sand, particularly alkali metal impurities such as lithium, sodium, potassium and the like, react with the chlorine-containing gas to generate low-boiling-point chloride gas to escape, and the content of the alkali metal impurities in the quartz sand is greatly reduced. The special chlorination and purification rotating device for the quartz sand has the advantages that the inclination angle of the quartz glass tube is adjusted through the electric push rod, and meanwhile, the rotating motor is controlled to realize forward rotation and reverse rotation of the barrel body, so that feeding and discharging of the quartz sand are facilitated, the production efficiency can be effectively improved, and the labor intensity of workers is reduced; the method provides a high-purity quartz sand raw material for the production of quartz glass, and meets the requirements of the semiconductor industry, aerospace and national defense science and technology fields on melting high-quality quartz glass products.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the structure of FIG. 1;
FIG. 3 is a schematic top view of the structure of FIG. 1;
FIG. 4 is a schematic view of the structure in the direction A-A in FIG. 1;
fig. 5 is a schematic view of the end cap structure of the present invention.
In the figure: 1. the device comprises a rack, 2, a quartz glass tube, 3, a transmission motor, 4, a main transmission wheel, 5, a driven wheel, 6, a heat preservation tube, 7, a support frame, 8, a wheel ring, 9, a transmission chain, 10, a transmission shaft, 11, an electric push rod, 12, a wiring terminal, 13, a movable wheel, 14, a bearing seat, 15, a motor mounting seat, 16, an electric heating coil, 17, an end cover, 18, a sealing bearing sleeve, 19 and a baffle plate.
Detailed Description
The special chlorination purification rotating device for the quartz sand comprises a frame 1, a quartz glass tube 2, a transmission motor 3, a main transmission wheel 4, a driven wheel 5 and a heat preservation tube 6; the top end of the frame 1 is provided with a heat preservation pipe 6 through a support frame 7 arranged at intervals, and the inner wall of the heat preservation pipe 6 is provided with an electric heating coil 16; the circumference of the insulating tube 6 is provided with a wiring terminal 12, the wiring terminal 12 is connected with an electric heating coil 16, and when the insulating tube works, the wiring terminal 12 is connected with a power supply through a lead.
The quartz glass tube 2 is annularly arranged in the heat preservation tube 6, end covers 17 are respectively installed at two end ports of the quartz glass tube 2 in a threaded mode, each end cover 17 is a cylinder with a boss, external threads are arranged on the circumference of each end cover 17, internal threads are arranged on the inner walls of the two end ports of the quartz glass tube 2, and the external threads of the end covers 17 are in threaded connection with the internal threads of the quartz glass tube 2 in a matched mode; a sealing bearing sleeve 18 is fixedly arranged in a central through hole of the end cover 17, and a rubber sealing sleeve is arranged on the inner wall of the sealing bearing sleeve 18; in operation, a gas pipeline (not shown) can be inserted into the sealed bearing sleeve 18, the gas pipeline and a rubber sealing sleeve in the sealed bearing sleeve 18 can form a sealing connection, and the gas pipeline can be moved relative to the end cover 17 through the sealed bearing sleeve 18.
Be provided with spiral helicine baffle on quartz glass tube 2's the inner wall, the height of baffle is 2 centimeters, and in operation, through 2 circumferential direction of quartz glass tube, spiral helicine baffle can be with piling up the quartz sand dispersion together in quartz glass tube 2, and this purpose is: the dispersed quartz sand can be fully contacted with chlorine gas, thereby improving the purity of the quartz sand.
Two ends of the quartz glass tube 2 extend to the outer side of the heat preservation tube 6, wheel rings 8 are fixedly mounted on the quartz glass tube 2 extending to the outer side of the heat preservation tube 6 respectively, a main driving wheel 4 and a driven wheel 5 are arranged on the rack 1 below the wheel rings 8 through a bearing seat 14 and a driving shaft 10 respectively, the main driving wheel 4 and the driven wheel 5 are fixedly mounted on the driving shaft 10 respectively, and the driving shaft 10 is movably mounted between the bearing seats 14; the circumference of the main driving wheel 4 and the driven wheel 5 is provided with annular grooves, the main driving wheel 4 and the annular grooves on the driven wheel 5 support and limit the quartz glass tube 2 through the wheel ring 8, so that the quartz glass tube 2 forms an annular state in the heat insulation tube 6, and simultaneously, the main driving wheel 4 and the annular grooves on the driven wheel 5 can limit the wheel ring 8 to slide axially, thereby preventing the quartz glass tube 2 from sliding axially, in work, the wheel ring 8 is driven to rotate through the main driving wheel 4, thereby driving the quartz glass tube 2 to rotate circumferentially on the main driving wheel 4 and the driven wheel 5.
A transmission motor 3 is fixedly arranged in the frame 1 through a motor mounting seat 15, the transmission motor 3 is connected with a transmission shaft 10 of the main transmission wheel 4 through a transmission chain 9, and in operation, the transmission shaft 10 of the transmission motor 3 can drive the transmission shaft 10 of the main transmission wheel 4 to rotate forwards or backwards through the transmission chain 9, so that the main transmission wheel 4 is driven to rotate.
A plurality of movable wheels 13 are fixedly arranged at the bottom end of the frame 1 respectively, and the frame 1 can be driven to displace through the movable wheels 13 in work; the movable wheel 13 is provided with an electric push rod 11, and during work, the left end or the right end of the frame 1 can be tilted by 30 degrees through a piston rod of the electric push rod 11 so as to match with the requirement of purification work.
The transmission motor 3, the electric heating coil 16 and the electric push rod 11 of the special chlorination purification rotating device for quartz sand are all connected by an external power supply.
When the special chlorination and purification rotating device for the quartz sand works, firstly, the inner wall of the quartz glass tube 2 is cleaned by high-purity water, after the cleaning is finished, the wiring terminal 12 is externally connected with a power supply through a wire, an external power supply switch is turned on, infrared light generated by the electric heating coil 16 heats the quartz glass tube 2, so that the inner wall of the quartz glass tube 2 is dried, after the drying is finished, the switch of the external power supply is turned off, the power supply is stopped, and the quartz glass tube 2 is naturally cooled to room temperature.
After the quartz glass tube 2 is cooled to room temperature, filling a proper amount of quartz sand to be purified from a feeding port of the quartz glass tube 2, opening an electric push rod 11 on a movable wheel 13 at the right side of the frame 1, and extending a piston rod of the electric push rod 11 downwards to enable the right end of the frame 1 to generate 30-degree warping, wherein the ring-shaped grooves of a main driving wheel 4 and a driven wheel 5 limit a wheel ring 8 of the quartz glass tube 2, and the feeding port of the quartz glass tube 2 is lifted up through the main driving wheel 4 and the driven wheel 5 at the right end of the frame 1 to enable the feeding port of the quartz glass tube 2 to generate 30-degree warping, and after the quartz glass tube 2 is warped in place, the quartz sand is uniformly distributed among spiral baffles in the quartz glass tube 2 under the action of gravity; the piston rod of the electric push rod 11 at the right end of the control frame 1 retracts, and the frame 1 is reset to be in an initial horizontal state.
After the frame 1 is reset, the end caps 17 are respectively installed at the feeding port and the discharging port of the quartz glass tube 2 in a threaded manner, a gas pipeline is tightly inserted on the end caps 17, and a sealing valve (which can be a ball valve or other valve capable of sealing gas) is arranged on the gas pipeline.
The gas pipeline on the discharge port is connected with a water flushing pump, the water flushing pump can pump gas in the quartz glass tube 2 to an alkaline liquid pool with multi-level concentration, and the alkaline liquid pool is provided with a wind collecting cover which aims at absorbing and treating the chlorine which is not completely reacted.
High-purity nitrogen is injected into the quartz glass tube 2 through a gas pipeline on the feeding port for 5 minutes, so that impurity gas in the quartz glass tube 2 is discharged, and the influence of the impurity gas on the purification quality of quartz sand is avoided.
After the impurity gas is discharged, a switch of an external power supply is turned on, an electric heating coil 16 generates infrared light to heat quartz sand inside a quartz glass tube 2, after the quartz sand inside the quartz glass tube 2 is heated and stabilized at a set temperature, a proper amount of high-purity dry chlorine gas is injected into the quartz glass tube 2 through a gas pipeline at a feeding port, after the chlorine gas injection is completed, a water flushing pump is turned off, an electric push rod 11 on a movable wheel 13 at the left side of a frame 1 is turned on, a piston rod of the electric push rod 11 extends downwards to enable the left end of the frame 1 to tilt by 30 degrees, so that a discharging port of the quartz glass tube 2 tilts by 30 degrees, after the quartz glass tube 2 tilts, a transmission motor 3 is turned on, the transmission motor 3 drives a main transmission wheel 4 to rotate through a transmission chain 9 and a transmission shaft 10, so as to drive the quartz glass tube 2 to rotate in a clockwise circumferential direction, and enable the quartz glass tube 2 to rotate along, the quartz sand is continuously conveyed to the discharge port by the spiral baffle 19, and after the quartz sand is accumulated on the baffle 19 at the discharge port and is in interference, the quartz sand falls back to the feed port under the action of natural gravity, and the quartz sand is continuously conveyed to the discharge port along with the baffle 19 at the feed port, so that the quartz sand is continuously overturned and moved in the cylinder and can be fully contacted with chlorine-containing gas.
And closing the sealing valve of the gas pipeline at the feeding port to enable the sealing valve of the gas pipeline at the discharging port to be in an open state, continuously heating by the electric heating coil 16, starting timing and preserving heat for 2 hours.
After the reaction is finished, closing the transmission motor 3, opening a sealing valve of a gas pipeline on the feeding port, and discharging the high-temperature chlorinated gas in the quartz glass tube 2; the discharging process comprises the steps of injecting dry and high-purity nitrogen into the quartz glass tube 2 through a gas pipeline at the feeding port, simultaneously starting the water flushing pump, and discharging gas generated by the quartz sand high-temperature chlorination reaction in the quartz glass tube 2 into the alkali liquor pool with multi-level concentration through the water flushing pump to recover tail gas.
And after the high-temperature chlorinated gas is replaced, stopping introducing high-purity nitrogen, removing a gas pipeline on a discharge port, and starting a natural cooling process of the quartz sand.
After the quartz sand is cooled to normal temperature, the end covers 17 at two ends of the quartz glass tube 2 are taken down, the electric push rod 11 lowers the discharge port of the quartz glass tube 2, the feed port of the quartz glass tube 2 is lifted, the transmission motor 3 is started to rotate the quartz glass tube 2 anticlockwise, the quartz sand in the quartz glass tube 2 is continuously conveyed to the discharge port by the baffle under the action of the spiral baffle 19 of the quartz glass tube 2 and natural gravity, and the quartz sand is poured out of the discharge port into a high-purity quartz glass collecting container, namely, a purified quartz sand product is obtained.
The special chlorination and purification rotating device for the quartz sand is reasonable in design and convenient to use, and the spiral quartz glass baffle is designed on the inner wall of the quartz glass tube, so that the quartz sand can be turned over in the quartz glass tube ceaselessly, the quartz sand can be in full contact with chlorine-containing gas at 1000 ℃, metal impurities in the quartz sand, particularly alkali metal impurities such as lithium, sodium, potassium and the like, react with the chlorine-containing gas to generate low-boiling-point chloride gas to escape, and the content of the alkali metal impurities in the quartz sand is greatly reduced. The special chlorination and purification rotating device for the quartz sand has the advantages that the inclination angle of the quartz glass tube is adjusted through the electric push rod, and meanwhile, the rotating motor is controlled to realize forward rotation and reverse rotation of the barrel body, so that feeding and discharging of the quartz sand are facilitated, the production efficiency can be effectively improved, and the labor intensity of workers is reduced; the method provides a high-purity quartz sand raw material for the production of quartz glass, and meets the requirements of the semiconductor industry, aerospace and national defense science and technology fields on melting high-quality quartz glass products.
Claims (6)
1. A special chlorination purification rotating device for quartz sand comprises a frame (1), a quartz glass tube (2), a transmission motor (3), a main transmission wheel (4), a driven wheel (5), an electric push rod (11) and a heat preservation tube (6); the method is characterized in that: the top end of the rack (1) is provided with a heat insulation pipe (6) through a support frame (7), the heat insulation pipe (6) is internally provided with a quartz glass pipe (2) in an annular shape, two ends of the quartz glass pipe (2) extend to the outer side of the heat insulation pipe (6), wheel rings (8) are fixedly arranged on the quartz glass pipe (2) extending to the outer side of the heat insulation pipe (6) respectively, a main driving wheel (4) and a driven wheel (5) are arranged on the rack (1) below the wheel rings (8) through a bearing seat (14) and a transmission shaft (10), and the main driving wheel (4) and the driven wheel (5) are in contact connection with the wheel rings (8); a transmission motor (3) is fixedly arranged in the frame (1) through a motor mounting seat (15), and the transmission motor (3) is connected with a main transmission wheel (4) through a transmission chain (9); a plurality of movable wheels (13) are fixedly arranged at the bottom end of the frame (1) respectively, and electric push rods (11) are arranged on the movable wheels (13).
2. The special chlorination and purification rotating device for quartz sand according to claim 1, wherein: the circumferences of the main driving wheel (4) and the driven wheel (5) are respectively provided with an annular groove.
3. The special chlorination and purification rotating device for quartz sand according to claim 1, wherein: the circumference of the heat preservation pipe (6) is provided with a wiring terminal (12), and the inner wall of the heat preservation pipe (6) is provided with an electric heating coil (16).
4. The special chlorination and purification rotating device for quartz sand according to claim 1, wherein: end covers (17) are respectively installed at two end ports of the quartz glass tube (2) in a threaded manner; the inner wall of the quartz glass tube (2) is provided with a spiral baffle plate, and the height of the baffle plate is 2 cm.
5. The special chlorination and purification rotating device for quartz sand according to claim 4, wherein: the end cover (17) is a cylinder with a boss, and external threads are arranged on the circumference of the end cover (17); and a sealing bearing sleeve (18) is fixedly arranged in a central through hole of the end cover (17).
6. The special chlorination and purification rotating device for quartz sand according to claim 5, wherein: the inner wall of the sealing bearing sleeve (18) is provided with a rubber sealing sleeve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772405.5U CN209989070U (en) | 2019-05-27 | 2019-05-27 | Special chlorination purification rotary device of quartz sand |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772405.5U CN209989070U (en) | 2019-05-27 | 2019-05-27 | Special chlorination purification rotary device of quartz sand |
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| CN209989070U true CN209989070U (en) | 2020-01-24 |
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| CN201920772405.5U Active CN209989070U (en) | 2019-05-27 | 2019-05-27 | Special chlorination purification rotary device of quartz sand |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661851A (en) * | 2020-07-06 | 2020-09-15 | 南城县福鸿高纯硅材料有限公司 | Quartz sand low temperature fused salt purification device |
| CN112919798A (en) * | 2021-03-04 | 2021-06-08 | 江苏润弛太阳能材料科技有限公司 | Quartz sand production device |
| CN113019301A (en) * | 2021-03-03 | 2021-06-25 | 镇江润驰新材料科技有限公司 | Vertical quartz sand high-temperature chlorination device |
| CN117142754A (en) * | 2023-09-05 | 2023-12-01 | 连云港福东正佑照明电器有限公司 | Quartz tube quartz sand high-temperature chlorination purifying furnace |
-
2019
- 2019-05-27 CN CN201920772405.5U patent/CN209989070U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661851A (en) * | 2020-07-06 | 2020-09-15 | 南城县福鸿高纯硅材料有限公司 | Quartz sand low temperature fused salt purification device |
| CN113019301A (en) * | 2021-03-03 | 2021-06-25 | 镇江润驰新材料科技有限公司 | Vertical quartz sand high-temperature chlorination device |
| CN112919798A (en) * | 2021-03-04 | 2021-06-08 | 江苏润弛太阳能材料科技有限公司 | Quartz sand production device |
| CN117142754A (en) * | 2023-09-05 | 2023-12-01 | 连云港福东正佑照明电器有限公司 | Quartz tube quartz sand high-temperature chlorination purifying furnace |
| CN117142754B (en) * | 2023-09-05 | 2024-04-05 | 连云港福东正佑照明电器有限公司 | Quartz tube quartz sand high-temperature chlorination purifying furnace |
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