CN109734302B - Can accelerate dry quartz glass preparation with sol gel solidification equipment - Google Patents
Can accelerate dry quartz glass preparation with sol gel solidification equipment Download PDFInfo
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- CN109734302B CN109734302B CN201910162485.7A CN201910162485A CN109734302B CN 109734302 B CN109734302 B CN 109734302B CN 201910162485 A CN201910162485 A CN 201910162485A CN 109734302 B CN109734302 B CN 109734302B
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000007711 solidification Methods 0.000 title claims abstract description 5
- 230000008023 solidification Effects 0.000 title claims abstract description 5
- 238000002360 preparation method Methods 0.000 title claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 13
- 238000009413 insulation Methods 0.000 claims abstract description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 17
- 239000001257 hydrogen Substances 0.000 claims description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 abstract 2
- 239000000499 gel Substances 0.000 description 33
- 238000000034 method Methods 0.000 description 7
- 238000005336 cracking Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011240 wet gel Substances 0.000 description 1
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- Glass Melting And Manufacturing (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a sol-gel curing device for manufacturing quartz glass, which can accelerate drying, and comprises a negative pressure pump, a motor, an air pump, a temperature sensor, an air pressure sensor and a control panel, wherein the negative pressure pump is fixedly arranged at the center of the top of a cavity, the top of a supporting block is connected with a positioning strip, the motor is arranged at the back of the cavity, a gear shaft is welded on the outer wall of a rotating rod, an outer cavity is arranged on the outer wall of the cavity, a heat insulation door is arranged on the outer cavity, the air pump is arranged at the bottom of the outer cavity, the air inlet end of the air pump is connected with an air inlet pipe, a limiting cylinder is fixed on the inner wall of the air inlet pipe, and an air outlet on the inner wall of the cavity is connected with one end of an air guide pipe. This can accelerate preparation of dry quartz glass is with dissolving gel solidification equipment, can effectual improvement gel solidification shaping speed for chemical's volatilization in the gel avoids the production of gel fracture stress, thereby improves gel shaping quality.
Description
Technical Field
The invention relates to the technical field of quartz glass production, in particular to a sol-gel curing device for quartz glass production, which can accelerate drying.
Background
The quartz glass is prepared by melting various pure natural quartz (such as crystal, quartz sand and the like), the linear expansion coefficient is extremely small, the heat resistance is very high, the quartz glass is prepared by adopting a hot melting method, a sol-gel method and the like, the molecular distribution of the quartz glass prepared by the sol-gel is more uniform, the production molding effect of the quartz glass is better, the quality is better, the phase composition and the microstructure of a product can meet the requirements of the product performance, but the prior sol-gel curing device for preparing the quartz glass has the following problems when in use:
1. the forming speed of the silica glass solidified by sol-gel is low, and the silica glass generally needs to be used for primary forming for one or more weeks, so that the delay of the production of the silica glass can be seriously caused, and the rapid proceeding of the production process is influenced;
2. in the process of curing and drying the sol-gel, the volatilization speed of chemical substances in the gel is low, and the generation of gel cracking stress is easily caused in the process of long-term volatilization and drying, so that the quality of the sol-gel after curing and forming is different.
Aiming at the problems, innovative design is urgently needed on the basis of the original sol-gel curing device for manufacturing the quartz stone glass.
Disclosure of Invention
The invention aims to provide a sol-gel curing device for quartz glass production, which can accelerate drying, and aims to solve the problems that the existing sol-gel curing device for quartz glass production is low in curing and forming speed, and gel cracking stress is easily generated in the volatilization process of chemical substances in the sol-gel curing and forming device, so that the sol-gel curing and forming quality is different.
In order to achieve the purpose, the invention provides the following technical scheme: a sol-gel curing device capable of accelerating drying for manufacturing quartz glass comprises a negative pressure pump, a motor, an air pump, a temperature sensor, an air pressure sensor and a control panel, wherein the negative pressure pump is fixedly arranged at the center of the top of a cavity, a guide rail is fixed on the inner wall of the cavity, a supporting block is arranged on the guide rail, a positioning strip is connected to the top of the supporting block, a rotating shaft is arranged between the supporting block and the positioning strip, an elastic part is fixedly connected with the supporting block and the guide rail, a forming die is arranged above the positioning strip, the motor is arranged at the back of the cavity and is mutually connected with a rotating rod through a rotating wheel and a track, the rotating wheel is rotatably arranged in the cavity, a gear shaft is welded on the outer wall of the rotating rod, a transmission rod is arranged right above the rotating rod, a positioning disc is welded on the outer wall of the transmission rod, and the top of the positioning disc is mutually connected with the bottom of the forming die through an adsorption base, the outer cavity is installed on the outer wall of the cavity, a heat insulation door is arranged on the outer cavity, a heating element and a first filter screen are sequentially installed in the outer cavity from top to bottom, an air outlet is reserved at the top of the joint of the outer cavity and the cavity, the air pump is installed at the bottom of the outer cavity, the air inlet end of the air pump is connected with an air inlet pipe, a flow dividing pipe and a second filter screen are installed at the middle of the air inlet pipe and the end of the air inlet pipe respectively, a limiting cylinder is fixed on the inner wall of the air inlet pipe, a hydrogen ball is arranged between the limiting cylinder and the flow dividing pipe, one end of an air guide pipe is connected to the air outlet at the position of the air outlet on the inner wall of the cavity, an air hole is formed in the outer side of the air outlet pipe, a temperature sensor and a pressure sensor are arranged at the bottom of the inner wall of the cavity, and a control panel and a display screen are installed on the door of the cavity.
Preferably, a relative rotation structure is formed between the positioning strip and the supporting block, the supporting block and the guide rail form a sliding elastic connection, and a clamping sliding dismounting and mounting structure is formed between the positioning strip and the forming die.
Preferably, the sawteeth on the gear shaft are distributed in a sealing mode, the total circumferential length of the sawteeth on the gear shaft occupies 1/75 of the outer total circumferential length of the gear shaft, and the gear shaft is in meshed connection with the positioning disc.
Preferably, the outer wall of the positioning disc is of a sawtooth structure, the positioning disc is of a semicircular shape, and the circle center of the positioning disc is located on the central axis of the transmission rod.
Preferably, the end part of the air inlet pipe is arranged upwards, and a dismounting and mounting structure in threaded connection is formed between the air inlet pipe and the second filter screen.
Preferably, the shunt pipe is annular, the shunt pipe and the air inlet pipe are arranged in a penetrating mode, and the annular inner diameter of the shunt pipe is 1/2 of the inner diameter of the shunt pipe.
Preferably, the inner diameter of the limiting cylinder is equal to the annular inner diameter of the shunt pipe, the inner diameter of the limiting cylinder is smaller than the diameter of the hydrogen ball, and the hydrogen ball and the air inlet pipe are of a sliding installation structure.
Preferably, the air outlet pipes are uniformly distributed on the air guide pipes at equal intervals, the air outlet pipes correspond to the forming molds in position and number one to one, and the diameters of the air holes in the air outlet pipes are sequentially increased from inside to outside and from top to bottom.
Compared with the prior art, the invention has the beneficial effects that: the sol-gel curing device for manufacturing the quartz glass capable of accelerating drying can effectively improve the curing and forming speed of gel, accelerate the volatilization of chemical substances in the gel and avoid the generation of gel cracking stress, thereby improving the gel forming quality;
1. the gel in the forming die slowly shakes only by controlling the displacement sliding of the forming die, so that the contact area between the gel and hot air flow is increased, the gel is faster in forming and curing, the curing and forming time is reduced, and the production working efficiency of quartz glass is improved;
2. under the action of the temperature and pressure values in the control device, the organic solvent and the water in the wet gel are heated and pressurized to exceed the critical temperature and the critical pressure, so that a liquid-gas interface in the system disappears, and capillary force in the gel does not exist any more, thereby fundamentally eliminating the generation of gel cracking stress.
Drawings
FIG. 1 is a schematic front view of the internal structure of the present invention;
FIG. 2 is a front external view of the present invention;
FIG. 3 is a schematic view of a support block mounting structure of the present invention;
FIG. 4 is a schematic view of a molding die mounting structure according to the present invention;
FIG. 5 is a schematic view of a positioning plate mounting structure according to the present invention;
FIG. 6 is a schematic view of the gear shaft structure of the present invention;
FIG. 7 is a schematic view of the mounting structure of the outlet tube of the present invention;
fig. 8 is a schematic view of the internal structure of the intake pipe of the present invention.
In the figure: 1. a negative pressure pump; 2. a cavity; 3. a guide rail; 4. a support block; 5. a positioning bar; 6. a rotating shaft; 7. an elastic member; 8. forming a mold; 9. a motor; 10. a rotating wheel; 11. a crawler belt; 12. a rotating rod; 13. a gear shaft; 14. a transmission rod; 15. positioning a plate; 16. an adsorption base; 17. an outer cavity; 18. a heat-insulating door; 19. a heating element; 20. a first filter screen; 21. an exhaust port; 22. an air pump; 23. an air inlet pipe; 24. a shunt tube; 25. a second filter screen; 26. a limiting cylinder; 27. hydrogen spheres; 28. an air duct; 29. an air outlet pipe; 30. air holes; 31. a temperature sensor; 32. an air pressure sensor; 33. a control panel; 34. a display screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a sol-gel adhesive curing device for manufacturing quartz glass capable of accelerating drying comprises a negative pressure pump 1, a cavity 2, a guide rail 3, a supporting block 4, a positioning strip 5, a rotating shaft 6, an elastic part 7, a forming die 8, a motor 9, a rotating wheel 10, a crawler belt 11, a rotating rod 12, a gear shaft 13, a transmission rod 14, a positioning disc 15, an adsorption base 16, an outer cavity 17, a heat insulation door 18, a heating element 19, a first filter screen 20, an exhaust port 21, an air pump 22, an air inlet pipe 23, a shunt pipe 24, a second filter screen 25, a limiting cylinder 26, a hydrogen ball 27, an air guide pipe 28, an air outlet pipe 29, an air hole 30, a temperature sensor 31, an air pressure sensor 32, a control panel 33 and a display screen 34, wherein the negative pressure pump 1 is fixedly arranged at the center of the top of the cavity 2, the guide rail 3 is fixed on the inner wall of the cavity 2, the supporting block 4 is arranged on the guide rail 3, the top of the supporting block 4 is connected with the positioning strip 5, a rotating shaft 6 is arranged between the supporting block 4 and the positioning strip 5, an elastic part 7 is fixed at the connection of the supporting block 4 and the guide rail 3, a forming die 8 is arranged above the positioning strip 5, a motor 9 is arranged at the back of the cavity 2, the motor 9 is connected with a rotating rod 12 through a rotating wheel 10 and a crawler 11, the rotating wheel 10 is rotatably arranged in the cavity 2, a gear shaft 13 is welded on the outer wall of the rotating rod 12, a transmission rod 14 is arranged right above the rotating rod 12, a positioning disc 15 is welded on the outer wall of the transmission rod 14, the top of the positioning disc 15 is connected with the bottom of the forming die 8 through an adsorption base 16, an outer cavity 17 is arranged on the outer wall of the cavity 2, a heat insulation door 18 is arranged on the outer cavity 17, a heating element 19 and a first filter screen 20 are sequentially arranged in the outer cavity 17 from top to bottom, an exhaust port 21 is reserved at the top of the connection part of the outer cavity 2 and the outer cavity 17, the air pump 22 is arranged at the bottom of the outer cavity 17, an air inlet end of the air pump 22 is connected with an air inlet pipe 23, the middle part and the end part of the air inlet pipe 23 are respectively provided with a shunt pipe 24 and a second filter screen 25, a limiting cylinder 26 is fixed on the inner wall of the air inlet pipe 23, a hydrogen ball 27 is arranged between the limiting cylinder 26 and the shunt pipe 24, an exhaust port 21 on the inner wall of the cavity 2 is connected with one end of an air guide pipe 28, the side of the air guide pipe 28 is connected with an air outlet pipe 29 in a penetrating way, an air hole 30 is formed in the outer side of the air outlet pipe 29, the bottom of the inner wall of the cavity 2 is provided with a temperature sensor 31 and a pressure sensor 32, and an access door of the cavity 2 is provided with a control panel 33 and a display screen 34;
a relative rotation structure is formed between the positioning strip 5 and the supporting block 4, the supporting block 4 and the guide rail 3 form sliding elastic connection, a clamping sliding dismounting and mounting structure is formed between the positioning strip 5 and the forming die 8, and when a height difference occurs between the supporting blocks 4 on the left side and the right side, the positioning strip 5 can still support and position the forming die 8;
the sawteeth on the gear shaft 13 are distributed in a sealing manner, the total distributed circumference of the sawteeth on the gear shaft 13 occupies 1/75 of the total outer circumference of the gear shaft 13, the gear shaft 13 is meshed with the positioning disc 15, the outer wall of the positioning disc 15 is of a sawteeth structure, the positioning disc 15 is of a semicircular shape, the circle center of the positioning disc 15 is located on the central axis of the transmission rod 14, and through the structural arrangement of the gear shaft 13 and the positioning disc 15, when the motor 9 works, the adsorption base 16 at the top of the positioning disc 15 adsorbs the bottom of the forming die 8, so that the forming die 8 slightly and continuously slides, the mutual contact efficiency of gel and air in the forming die 8 is improved, and the curing and forming speed is improved;
the end of the air inlet pipe 23 is arranged upwards, a dismounting and mounting structure in threaded connection is formed between the air inlet pipe 23 and the second filter screen 25, the shunt pipe 24 is arranged in a circular ring shape, the interior between the shunt pipe 24 and the air inlet pipe 23 is arranged in a through manner, the annular inner diameter of the shunt pipe 24 is 1/2 of the inner diameter of the shunt pipe 24, the inner diameter of the limiting cylinder 26 is equal to the annular inner diameter of the shunt pipe 24, the inner diameter of the limiting cylinder 26 is smaller than the diameter of the hydrogen ball 27, the hydrogen ball 27 and the air inlet pipe 23 are of a sliding mounting structure, so that the hydrogen ball 27 slides between the shunt pipe 24 and the limiting cylinder 26, when the air pump 22 works still, the hydrogen ball 27 blocks the bottom outlet of the limiting cylinder 26 to reduce the leakage of air, when the air pump 22 works and starts, the hydrogen ball 27 moves to block the single shunt pipe 24 to perform normal air inlet work, so as to perform the through of air in the device, negative pressure application is carried out during gel curing, so that the curing working efficiency is improved;
the air outlet pipes 29 are uniformly distributed on the air guide pipes 28 at equal intervals, the positions and the number of the air outlet pipes 29 and the forming molds 8 are in one-to-one correspondence, the diameters of the air holes 30 in the air outlet pipes 29 are sequentially increased from inside to outside and from top to bottom, and the air outlet pipes 29 and the air holes 30 are arranged at equal intervals, so that the gel inside the device is in more sufficient contact with the gas, and the curing speed is improved.
The working principle is as follows: when the sol-gel curing device for manufacturing quartz glass capable of accelerating drying is used, firstly, according to fig. 1-6, after the forming mold 8 is positioned and installed through the positioning strip 5, the bottom of the forming mold 8 is weakly adsorbed and connected with the adsorption base 16 on the positioning disc 15, during the continuous working and rotating process of the motor 9, the motor 9 can drive the rotating rod 12 to continuously and slowly rotate through the rotating wheel 10 and the crawler 11, during the rotating process of the rotating rod 12, the gear shaft 13 outside the rotating rod 12 rotates, under the engaging and connecting action of the gear shaft and the side of the positioning disc 15, the positioning disc 15 rotates around the central axis of the transmission rod 14 along with the rotation of the gear shaft 13, the forming mold 8 is repeatedly and slowly shaken under the action of the adsorption base 16, during the slow rotating process of the forming mold 8, the forming mold 8 slides on the positioning strip 5 and extrudes the same, the height difference between the positioning strips 5 at the left side and the right side is caused, so that the positioning strips 5 and the supporting blocks 4 rotate relatively, and the height difference between the positioning strips 5 is supported by the supporting blocks 4 in the elastic sliding lifting of the guide rails 3, so that the forming die 8 still maintains a good positioning connection relation on the positioning strips 5 when sliding;
according to fig. 1 and 7-8, when the air pump 22 works, the air pump 22 sucks external air, the air enters the air inlet pipe 23 after being filtered once by the second filter screen 25, so that the hydrogen ball 27 in the air inlet pipe 23 moves, only the pipe orifice of the single shunt pipe 24 is blocked, but the air sucking operation of the air pump 22 is not affected, the air sucked by the air pump 22 enters the outer cavity 17, the first filter screen 20 in the outer cavity 17 is filtered for the second time, then hot air flow is guided into the air guide pipe 28 and the air outlet pipe 29 under the action of the heating element 19, the air flow is uniformly guided to the forming mold 8 through the air holes 30 on the air outlet pipe 29, the forming speed of gel in the forming mold 8 is improved, meanwhile, the heating element 19 continuously heats the inside of the device, when the air pump 22 does not work, the limiting cylinder 26 continuously guides the air in the cavity 2 and the outer cavity 17, when the negative pressure pump 1 works to suck out gas in the device, the hydrogen ball 27 moves to block the end part of the limiting cylinder 26, so that the device is internally sealed, the negative pressure value in the device is conveniently controlled, the curing and forming speed of gel is improved through temperature and negative pressure control, the temperature and air pressure values in the device are detected constantly through the temperature sensor 31 and the air pressure sensor 32 and are displayed on the display screen 34, and manual control of various electrical parts is facilitated through the control panel 33.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a can accelerate dry quartz glass preparation and use sol-gel solidification equipment, includes negative pressure pump (1), motor (9), air pump (22), temperature sensor (31), baroceptor (32) and control panel (33), its characterized in that: the negative pressure pump (1) is fixedly arranged at the center of the top of the cavity (2), a guide rail (3) is fixed on the inner wall of the cavity (2), a supporting block (4) is arranged on the guide rail (3), the top of the supporting block (4) is connected with a positioning strip (5), a rotating shaft (6) is arranged between the supporting block (4) and the positioning strip (5), an elastic part (7) is fixedly connected with the supporting block (4) and the guide rail (3), a forming die (8) is arranged above the positioning strip (5), a motor (9) is arranged at the back of the cavity (2), the motor (9) is connected with a rotating rod (12) through a rotating wheel (10) and a crawler (11), the rotating wheel (10) is rotatably arranged in the cavity (2), a gear shaft (13) is welded on the outer wall of the rotating rod (12), and a transmission rod (14) is arranged right above the rotating rod (12), and the outer wall of the transmission rod (14) is welded with a positioning disc (15), the top of the positioning disc (15) is connected with the bottom of the forming die (8) through an adsorption base (16), the outer wall of the cavity (2) is provided with an outer cavity (17), the outer cavity (17) is provided with a heat insulation door (18), the outer cavity (17) is internally provided with a heating element (19) and a first filter screen (20) from top to bottom in sequence, an exhaust port (21) is reserved at the top of the joint of the cavity (2) and the outer cavity (17), the air pump (22) is arranged at the bottom of the outer cavity (17), the air inlet end of the air pump (22) is connected with an air inlet pipe (23), the middle part and the end part of the air inlet pipe (23) are respectively provided with a shunt pipe (24) and a second filter screen (25), a limiting cylinder (26) is fixed on the inner wall of the air inlet pipe (23), and a hydrogen gas (27) is arranged between the limiting cylinder (26) and the shunt pipe (24), one end of an air duct (28) is connected to an air outlet (21) on the inner wall of the cavity (2), the side of the air duct (28) is connected with an air outlet pipe (29) in a penetrating manner, an air hole (30) is formed in the outer side of the air outlet pipe (29), a temperature sensor (31) and a pressure sensor (32) are arranged at the bottom of the inner wall of the cavity (2), and a control panel (33) and a display screen (34) are installed on an access door of the cavity (2);
a relative rotation structure is formed between the positioning strip (5) and the supporting block (4), the supporting block (4) and the guide rail (3) form sliding elastic connection, and a clamping sliding dismounting and mounting structure is formed between the positioning strip (5) and the forming die (8);
the sawteeth on the gear shaft (13) are distributed in a sealing way, the total circumferential length of the sawteeth on the gear shaft (13) occupies 1/75 of the total outer circumferential length of the gear shaft (13), and the gear shaft (13) is in meshed connection with the positioning disc (15);
the outer wall of the positioning disc (15) is of a sawtooth structure, the positioning disc (15) is of a semicircular shape, and the circle center of the positioning disc (15) is located on the central axis of the transmission rod (14).
2. The sol-gel curing device for quartz glass manufacture capable of accelerating drying according to claim 1, wherein: the end part of the air inlet pipe (23) is arranged upwards, and a dismounting and mounting structure in threaded connection is formed between the air inlet pipe (23) and the second filter screen (25).
3. The sol-gel curing device for quartz glass manufacture capable of accelerating drying according to claim 1, wherein: the shunt pipe (24) is arranged in a circular ring shape, the shunt pipe (24) and the air inlet pipe (23) are arranged in a penetrating mode, and the annular inner diameter of the shunt pipe (24) is 1/2 of the inner diameter of the shunt pipe (24).
4. The sol-gel curing device for quartz glass manufacture capable of accelerating drying according to claim 1, wherein: the inner diameter of the limiting cylinder (26) is equal to the annular inner diameter of the shunt pipe (24), the inner diameter of the limiting cylinder (26) is smaller than the diameter of the hydrogen ball (27), and the hydrogen ball (27) and the air inlet pipe (23) are of a sliding installation structure.
5. The sol-gel curing device for quartz glass manufacture capable of accelerating drying according to claim 1, wherein: the air outlet pipes (29) are uniformly distributed on the air guide pipes (28) at equal intervals, the positions and the number of the air outlet pipes (29) correspond to those of the forming die (8) one by one, and the diameters of the air holes (30) on the air outlet pipes (29) are sequentially increased from inside to outside and from top to bottom.
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| CN201910162485.7A CN109734302B (en) | 2019-03-05 | 2019-03-05 | Can accelerate dry quartz glass preparation with sol gel solidification equipment |
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| CN201910162485.7A CN109734302B (en) | 2019-03-05 | 2019-03-05 | Can accelerate dry quartz glass preparation with sol gel solidification equipment |
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2019
- 2019-03-05 CN CN201910162485.7A patent/CN109734302B/en active Active
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|---|---|---|---|---|
| CN101453925A (en) * | 2006-04-25 | 2009-06-10 | 意大利凝胶技术有限公司 | Process for preparing an apparatus comprising a gel layer |
| CN201370060Y (en) * | 2009-01-15 | 2009-12-30 | 上海亦晨信息科技发展有限公司 | Multistage drying device |
| CN201558697U (en) * | 2009-10-22 | 2010-08-25 | 广东海洋大学 | Agar liquid rapid cooling matching device |
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Denomination of invention: Sol gel curing device for accelerating drying of quartzite glass Effective date of registration: 20231122 Granted publication date: 20220510 Pledgee: Qilu bank Limited by Share Ltd. Ji'nan Changqing branch Pledgor: Shandong Jiqing Technology Service Co.,Ltd. Registration number: Y2023980067041 |
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