CN115304067A - Preparation equipment and preparation process of high-temperature-resistant ceramic aerogel - Google Patents

Preparation equipment and preparation process of high-temperature-resistant ceramic aerogel Download PDF

Info

Publication number
CN115304067A
CN115304067A CN202211223888.6A CN202211223888A CN115304067A CN 115304067 A CN115304067 A CN 115304067A CN 202211223888 A CN202211223888 A CN 202211223888A CN 115304067 A CN115304067 A CN 115304067A
Authority
CN
China
Prior art keywords
liquid
box
pipe
case
autoclave
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
Application number
CN202211223888.6A
Other languages
Chinese (zh)
Inventor
刘溧
李万景
王宇旭
田启超
章杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Mibaful Nano Material Co ltd
Original Assignee
Jiangsu Mibaful Nano Material Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Mibaful Nano Material Co ltd filed Critical Jiangsu Mibaful Nano Material Co ltd
Priority to CN202211223888.6A priority Critical patent/CN115304067A/en
Publication of CN115304067A publication Critical patent/CN115304067A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/157After-treatment of gels
    • C01B33/158Purification; Drying; Dehydrating
    • C01B33/1585Dehydration into aerogels

Abstract

The invention discloses a preparation device and a preparation process of high-temperature-resistant ceramic aerogel, wherein the preparation device of the high-temperature-resistant ceramic aerogel comprises a reflux purification mechanism, the top of the reflux purification mechanism is provided with three speed increasing mechanisms, each speed increasing mechanism comprises three autoclave tanks, the three autoclave tanks are fixedly connected to the top of a treatment bottom frame through fixing plates, and two sides of each autoclave tank are fixedly connected with gas collecting boxes through openings. This preparation equipment of high temperature resistant ceramic aerogel, there is the heat pipe through the internally mounted at the autoclave case, and install at the top of heat pipe and hold box and check board, and a plurality of holds the box and connects through communicating pipe, the setting of these structures can solidify the process and arrange miscellaneous process when the aerogel, heat and arrange the inside pressure boost of autoclave case through the heat pipe to holding the box, thereby accelerate the solidification speed of solution, and make methyl alcohol can the faster infiltration solidify the solid and improve and arrange miscellaneous efficiency.

Description

Preparation equipment and preparation process of high-temperature-resistant ceramic aerogel
Technical Field
The invention relates to the technical field of ceramic aerogel production, in particular to a preparation device and a preparation process of high-temperature-resistant ceramic aerogel.
Background
The nano-silica aerogel is a novel light porous material, has low density, high porosity, low thermal conductivity, high light transmittance, low refractive index and low sound propagation speed, and is a novel high-efficiency light-transmitting, heat-insulating and sound-insulating material. This product has high luminousness and low heat conductivity, be particularly suitable for being used for solar energy optothermal low temperature flat water heater, medium temperature flat plate collector, building glass window etc. both require printing opacity and require high-efficient heat retaining application place, current nanometer silica aerogel device function singleness, mostly the manual work adds raw and other materials and prepares, because the required raw materials of nanometer silica aerogel preparation are more and need dispose according to certain proportion, people's intensity of labour has seriously been increased, the ratio precision is not high, influence product quality, and need the mobile device in the preparation process, the process is loaded down with trivial details, it has improved this to have the patent document now.
Chinese patent CN210528490U a preparation facilities of nanometer silica aerogel, the utility model discloses a preparation facilities of nanometer silica aerogel, comprising a base plate, the stirring unit, the ratio unit, monitor cell and heating unit, the upper surface middle part fixed connection reaction cylinder of bottom plate, the inside cavity that is provided with of lateral wall of reaction cylinder, the upper surface of bottom plate is equipped with four symmetric distribution's pillar, the upper surface of pillar all is connected with the lower fixed surface of annular platen, the upper surface fixed connection of bottom plate has electric putter, electric putter is located the outside of reaction cylinder, electric putter's upper surface is provided with the connecting plate, the stirring unit sets up in the lower surface of connecting plate, the ratio unit sets up in the upper end of annular platen, the monitor cell sets up in the inside of reaction cylinder, the heating unit sets up in the inside of cavity, this preparation facilities of nanometer silica aerogel, novel structure, the function is various, degree of automation is high, can accomplish many to preparation processes in proper order, artificial intensity of labour has been reduced, high durability and convenient use.
Although above-mentioned patent is through setting up novel structure, utilize high automation to accomplish multichannel preparation process, alleviate intensity of labour, but be not enough to embody higher practicality in the application of reality, still can not carry out large batch preparation like current equipment, if aerogel in the in-process of preparation consume time most solidify the process and arrange miscellaneous process, these two processes need to accomplish through longer day usually, the efficiency of preparation has been influenced, even have the equipment of high automation in the file also can not carry out fine solution on these two processes, and the methyl alcohol that every row of miscellaneous use all need carry out solitary purification processing, the process is comparatively loaded down with trivial details, the preparation equipment that designs a high temperature resistant ceramic aerogel now reduces the time that solidifies and arrange miscellaneous improvement preparation quantity.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a preparation device and a preparation process of high-temperature-resistant ceramic aerogel, and solves the problem that the existing device has high automation but still has no good practicability in the preparation of gel.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a preparation equipment of high temperature resistant ceramic aerogel, includes backward flow purification mechanism, speed-up mechanism is installed at the top of backward flow purification mechanism, liquid mixing mechanism is installed at the top of speed-up mechanism, backward flow purification mechanism is including handling the underframe.
Preferably, the speed-raising mechanism includes the autoclave case, and the autoclave case is provided with threely, three the autoclave case all is through fixed plate fixed connection in the top of handling the underframe, the both sides of autoclave case are all through seting up opening fixedly connected with gas collection box, close two upper portion between the gas collection box and lower part and the outside that is located the autoclave case all fixed intercommunication have communicating pipe, two upper portion between the gas collection box and the inside that the lower part just is located the autoclave case all fixed intercommunication have the heat pipe, the top fixedly connected with of heat pipe holds the box, the square plate has been placed to the inboard that holds the box, the right side fixedly connected with cocurrent flow pipe of autoclave incasement chamber, the fixed intercommunication in rear side that holds the bottom of box portion has the fluid-discharge tube, and the bottom of cocurrent flow pipe runs through the autoclave case in proper order and handles the underframe and extend to the inside of first collecting tank, the one end and the cocurrent flow pipe fixed intercommunication of fluid-discharge tube.
Preferably, the autoclave incasement is located the collection liquid frame that the equal fixedly connected with in upper portion that holds the box cooperatees and use with the check board, and the bottom of collecting liquid frame has a drip section of thick bamboo through seting up opening fixed mounting, the rear portion of autoclave case has the infusion box through seting up opening fixed mounting, fixed intercommunication has the transfer line between the rear portion of collection liquid frame and the infusion box, the left side at autoclave roof portion is through seting up opening fixedly connected with spray tube, and the bottom of spray tube extends to the inside of autoclave case, fixed intercommunication has a plurality ofly and holds the spray head that box cooperatees and use on the spray tube.
Preferably, the both sides of autoclave case inner chamber bottom all fixedly connected with chute board, the inside slidable mounting of chute board has the slider, the front end fixedly connected with of slider has the closing plate that uses with autoclave case cooperatees, the top of closing plate is rotated and is connected with the screw thread post, the anterior fixed mounting at autoclave case top has the screw thread section of thick bamboo that uses with the screw thread post cooperatees, the front end fixedly connected with carousel of screw thread post.
Preferably, handle the inside upside of underframe and the downside has seted up first collecting tank and second collecting tank respectively, leftmost and rightmost side the bottom of gas collection box all is fixed the intercommunication has the back flow, the bottom of back flow runs through in proper order and handles the underframe and extend to the inside of first collecting tank, leftmost and rightmost side two the bottom of a plurality of gas collection box at gas collection box middle part all is fixed the intercommunication has the drip pipe, and the bottom of drip pipe runs through the inside of handling the underframe and extending to the second collecting tank, the drip pipe extends to the inside one end fixedly connected with air filter valve of second collecting tank.
Preferably, the both sides of handling the underframe top all are through fixed block fixedly connected with heater, the bottom fixedly connected with heating rod of heater, and the bottom of heating rod runs through the inside of handling the underframe and extending to first collecting tank, the left side fixed mounting who handles the underframe has the water pump, the water inlet and the delivery port of water pump are fixedly connected with liquid suction pipe and drain pipe respectively, the one end of liquid suction pipe runs through the inside of handling the underframe and extending to the second collecting tank, the top intercommunication of connecting pipe and drain pipe is passed through at the top of spray pipe.
Preferably, mix liquid mechanism and include first liquid case that mixes, first liquid case that mixes passes through fixed plate fixed connection in the top of middle part autoclave case, the top of first liquid case that mixes is through support fixedly connected with second liquid case that mixes, the top fixedly connected with drive case of second liquid case that mixes.
Preferably, the top fixedly connected with motor of drive box inner chamber, the output shaft of motor passes through shaft coupling fixedly connected with dwang, the bottom of dwang runs through drive box, second in proper order and mixes liquid case and first liquid case and extend to the inside of first liquid case that mixes, the dwang extends to the inside one end of first liquid case that mixes and passes through the bearing spare and rotate to be connected in the bottom of first liquid case inner chamber that mixes, the equal fixedly connected with stirring leaf in inside that the upper portion on rotor lever surface and lower part just are located first liquid case that mixes and second liquid case.
Preferably, the rear portion of first liquid mixing box and second liquid mixing box all throws the liquid pipe through seting up opening fixedly connected with, the both sides between second liquid mixing box and the first liquid mixing box are all fixed the intercommunication and have the downcomer, the fixed surface of downcomer installs the solenoid valve, the rear portion of first liquid mixing box has the shunt tubes through seting up opening fixed mounting, the both sides of shunt tubes and the equal fixedly connected with catheter in bottom, it is three the one end of catheter is fixed respectively and is linked together in the top of three transfusion box.
The invention also discloses a preparation process of the high-temperature-resistant ceramic aerogel, which specifically comprises the following steps:
s1, before preparing aerogel, firstly injecting clean methanol into a second liquid collecting tank through a pipeline, then injecting a sodium tetrasilicate solution and the methanol into a second liquid mixing tank through a liquid feeding pipe, observing the volume height through a scale groove on the surface, stopping after the sodium tetrasilicate solution and the methanol are injected, then starting a motor to drive a stirring blade to rotate through a rotating rod, so that the stirring blade stirs the solution, stopping the motor after the stirring is finished, then opening an electromagnetic valve to inject the stirred solution into the first liquid mixing tank through a liquid discharging pipe, then continuing to inject extra water, the methanol and concentrated ammonia water into the first liquid mixing tank through the liquid feeding pipe, continuing to start the motor to stir the liquid in the first liquid mixing tank after the liquid injection is finished, generating a silicon dioxide solution after the stirring is finished, and then carrying out the next solidification process;
s2, after the liquid is stirred, sequentially placing a plurality of grid plates on the inner side of a containing box, starting a water pump to extract methanol in a second liquid collecting tank and inject the methanol into a liquid spraying pipe, then spraying the methanol into a certain position through a liquid spraying head to stop the injection of the methanol, then opening a flow dividing pipe to allow a silicon dioxide solution in the liquid to be injected into an infusion box through a liquid guiding pipe, introducing the solution into a liquid collecting frame through an infusion pipe by the infusion box, finally dropping the solution into grids in the grid plates through a liquid dropping cylinder, stopping after the grids are fully dropped, then starting two heaters to enable a heating rod to heat, distill and purify the methanol with impurities in a first liquid collecting tank, changing the heated distillation into water vapor to flow through a backflow pipe in a heat conducting pipe, an air collecting box and a communicating pipe, so as to improve the temperature in the containing box and accelerate the solidification of the solution, reducing the solidification time, and enabling the methanol gas which is converted into the water vapor to be condensed into methanol which feels when the methanol gas flows in the air collecting box when the air collecting tank, and then the methanol gas flows along the heat conducting pipe, and then the liquid collecting pipe to slide to the inside a second liquid collecting tank again for reuse, and conducting the impurity removing process after the solidification is finished;
s3, when carrying out the edulcoration process, promote the closing plate under the spacing of slider and cover the front portion of autoclave case, rotatory carousel drives the screw thread post afterwards and rotates into the inside of screw section of thick bamboo the closing plate this moment and be fixed totally, then the water pump is started again and the inside clean methyl alcohol of second collecting tank is taken out and is injected into the solid soaking after the inside that holds the box through the hydrojet head will solidify, then start the autoclave case and to inside pressure boost, can make methyl alcohol more efficient infiltration get rid of impurity like in the gap of aerogel solid through light trace pressurization, open the fluid-discharge tube after the first trash removal process is accomplished and make the methyl alcohol that has impurity discharge into first collecting tank inside through the cocurrent tube and store, when waiting for next batch of aerogel preparation to carry out the solidification process purifying and accelerating the solidification speed of gel through heating, afterwards pour into the inside of containing box with methyl alcohol into again and carry out trash discharge, until getting rid of the impurity of the gel inside, get rid of whole methyl alcohol liquid after the trash removal is accomplished, then close all valves of pipeline, it makes the critical value to increase the pressure of autoclave case inside afterwards, just can open the closing plate after waiting to accomplish next batch of aerogel and carry out next time pressurization.
Advantageous effects
The invention provides a preparation device and a preparation process of high-temperature-resistant ceramic aerogel. Compared with the prior art, the method has the following beneficial effects:
(1) This preparation equipment of high temperature resistant ceramic aerogel, there is the heat pipe through the internally mounted at the autoclave case, and install at the top of heat pipe and hold box and check, and a plurality of holds the box and connects through communicating pipe, the setting of these structures can solidify the process and arrange miscellaneous process when the aerogel, heat and arrange the inside pressure boost of autoclave case through the heat pipe to holding the box, thereby accelerate the solidification speed of solution, and make methyl alcohol can more permeate to solidify the solid and improve and arrange miscellaneous efficiency, so that process speed has improved preparation efficiency, satisfy in the preparation field of current aerogel.
(2) This preparation equipment of high temperature resistant ceramic aerogel, two recesses of first collecting tank and second collecting tank have been seted up through the inside of handling the bottom frame, place pure methyl alcohol and have the methyl alcohol of impurity respectively, the inside of first collecting tank is provided with the heating rod simultaneously, the setting of these structures can heat the distillation purification with the methyl alcohol after arranging the miscellaneous, make it condense again and fall on the inside of second collecting tank and carry out reuse, loaded down with trivial details filtration work has been saved, for the staff provides convenient, vapor during the concurrent heating can also increase the condensation rate that holds the temperature improvement solution of box, the effectual holistic functionality of equipment that has demonstrated.
(3) This preparation equipment of high temperature resistant ceramic aerogel through install spray line respectively and with pipeline such as flow tube and fluid-discharge tube on autoclave case's surface and inside, through reasonable connection, can carry out pouring of clean methyl alcohol to and the backward flow of impurity methyl alcohol, the stability of the liquid flow when having guaranteed the preparation, reduced staff's direct operation, reduced intensity of labour.
(4) This preparation equipment of high temperature resistant ceramic aerogel, install first liquid mixing box and install the second at the top of first liquid mixing box through the top at the autoclave case and mix the liquid box, connect through downcomer and dwang between two equipment, the setting up of these structures can separate two kinds of ratio processes of solution, it just takes place to mix to avoid different solution stirring inhomogeneously, thereby influence the quality of stirring back liquid, automatic stirring has also made things convenient for staff's use simultaneously, operation action has been reduced, improve the quality of liquid configuration.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 3 is a rear view of the reflux purification mechanism, the speed increasing mechanism and the liquid mixing mechanism of the present invention;
FIG. 4 is a cross-sectional view of the liquid mixing mechanism of the present invention;
FIG. 5 is a cross-sectional view of the speed increasing mechanism of the present invention;
FIG. 6 is a schematic perspective view of the heat pipe, the container and the grid plate of the present invention;
FIG. 7 is a rear view of the internal structure of the autoclave tank of the present invention;
fig. 8 is a cross-sectional view of a reflux purification mechanism of the present invention.
In the figure: 1. a reflux purification mechanism; 2. a speed raising mechanism; 3. a liquid mixing mechanism; 4. a return pipe; 5. a dropping pipe; 6. a liquid pumping pipe; 7. a liquid outlet pipe; 8. a catheter; 9. a connecting pipe; 201. an autoclave tank; 202. a gas collection box; 203. a communicating pipe; 204. a heat conduction pipe; 205. a containing box; 206. a grid plate; 207. a co-flow pipe; 208. a liquid discharge pipe; 209. a liquid collection frame; 210. a drip barrel; 211. a transfusion box; 212. a transfusion tube; 213. a liquid spraying pipe; 214. a liquid jet head; 215. a chute plate; 216. a slider; 217. a sealing plate; 218. a threaded post; 219. a threaded barrel; 220. a turntable; 301. a first liquid mixing tank; 302. a second liquid mixing tank; 303. a drive box; 304. a motor; 305. rotating the rod; 306. stirring blades; 307. a liquid feeding pipe; 308. a liquid discharging pipe; 309. an electromagnetic valve; 310. a shunt tube; 101. treating the bottom frame; 102. a first sump; 103. a second sump; 104. a gas filtering valve; 105. a heater; 106. heating a rod; 107. and (4) a water pump.
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 two technical solutions:
example one
The utility model provides a preparation equipment of high temperature resistant ceramic aerogel, includes backward flow purification mechanism 1, and speed-raising mechanism 2 is installed at the top of backward flow purification mechanism 1, and liquid mechanism 3 is mixed to speed-raising mechanism 2's top installation, and backward flow purification mechanism 1 is including handling underframe 101.
As a preferred embodiment, the speed-raising mechanism 2 includes an autoclave tank 201, and the autoclave tank 201 is provided with three, three autoclave tanks 201 all pass through fixed plate fixed connection in the top of handling underframe 101, the both sides of autoclave tank 201 are all through seting up opening fixedly connected with gas collection box 202, upper portion and lower part between two close gas collection boxes 202 and the outside that is located autoclave tank 201 all fixed intercommunication have communicating pipe 203, upper portion and lower part between two gas collection boxes 202 and the inside that is located autoclave tank 201 all fixed intercommunication have heat pipe 204, the top fixedly connected with of heat pipe 204 holds box 205, square plate 206 has been placed to the inboard that holds box 205, the right side fixedly connected with flowing tube 207 of autoclave tank 201 inner chamber, the rear side fixed intercommunication of holding box 205 bottom has fluid-discharge tube 208, and the bottom of flowing tube 207 runs through autoclave tank 201 and handling underframe 101 in proper order and extends to the inside of first collecting tank 102, one end and the flowing tube 207 fixed intercommunication of fluid-discharge tube 208.
As a preferred embodiment, in order to replenish methanol to the containing box 205 at any time, in the present invention, a liquid collecting frame 209 cooperating with the grid plate 206 is fixedly connected to the upper portion of the containing box 205 in the autoclave tank 201, a dropping liquid cylinder 210 is fixedly installed at the bottom of the liquid collecting frame 209 through an opening, an infusion box 211 is fixedly installed at the rear portion of the autoclave tank 201 through an opening, an infusion tube 212 is fixedly communicated between the rear portion of the liquid collecting frame 209 and the infusion box 211, a liquid spraying tube 213 is fixedly connected to the left side of the top of the autoclave tank 201 through an opening, the bottom end of the liquid spraying tube 213 extends into the autoclave tank 201, and a plurality of liquid spraying heads 214 cooperating with the containing box 205 are fixedly communicated to the liquid spraying tube 213.
As a preferred embodiment, in order to increase the sealing performance of the autoclave tank 201, in the present invention, both sides of the bottom of the inner cavity of the autoclave tank 201 are fixedly connected with a chute plate 215, a sliding block 216 is slidably installed inside the chute plate 215, a sealing plate 217 used in cooperation with the autoclave tank 201 is fixedly connected to the front end of the sliding block 216, a threaded post 218 is rotatably connected to the top of the sealing plate 217, a threaded barrel 219 used in cooperation with the threaded post 218 is fixedly installed to the front portion of the top of the autoclave tank 201, and a rotary table 220 is fixedly connected to the front end of the threaded post 218.
Example two
The utility model provides a preparation equipment of high temperature resistant ceramic aerogel, includes backward flow purification mechanism 1, and speed-up mechanism 2 is installed at the top of backward flow purification mechanism 1, and liquid mixing mechanism 3 is installed at the top of speed-up mechanism 2, and backward flow purification mechanism 1 is including handling underframe 101.
As a preferred embodiment, the speed-raising mechanism 2 includes an autoclave tank 201, and the autoclave tank 201 is provided with three, three autoclave tanks 201 all pass through fixed plate fixed connection in the top of handling underframe 101, the both sides of autoclave tank 201 are all through seting up opening fixedly connected with gas collection box 202, upper portion and lower part between two close gas collection boxes 202 and the outside that is located autoclave tank 201 all fixed intercommunication have communicating pipe 203, upper portion and lower part between two gas collection boxes 202 and the inside that is located autoclave tank 201 all fixed intercommunication have heat pipe 204, the top fixedly connected with of heat pipe 204 holds box 205, square plate 206 has been placed to the inboard that holds box 205, the right side fixedly connected with flowing tube 207 of autoclave tank 201 inner chamber, the rear side fixed intercommunication of holding box 205 bottom has fluid-discharge tube 208, and the bottom of flowing tube 207 runs through autoclave tank 201 and handling underframe 101 in proper order and extends to the inside of first collecting tank 102, one end and the flowing tube 207 fixed intercommunication of fluid-discharge tube 208.
As a preferred embodiment, in order to replenish methanol to the containing box 205 at any time, in the present invention, a liquid collecting frame 209 cooperating with the grid plate 206 is fixedly connected to the upper portion of the containing box 205 in the autoclave tank 201, a dropping liquid cylinder 210 is fixedly installed at the bottom of the liquid collecting frame 209 through an opening, an infusion box 211 is fixedly installed at the rear portion of the autoclave tank 201 through an opening, an infusion tube 212 is fixedly communicated between the rear portion of the liquid collecting frame 209 and the infusion box 211, a liquid spraying tube 213 is fixedly connected to the left side of the top of the autoclave tank 201 through an opening, the bottom end of the liquid spraying tube 213 extends into the autoclave tank 201, and a plurality of liquid spraying heads 214 cooperating with the containing box 205 are fixedly communicated to the liquid spraying tube 213.
As a preferred embodiment, in order to increase the sealing performance of the autoclave tank 201, in the present invention, both sides of the bottom of the inner cavity of the autoclave tank 201 are fixedly connected with a chute plate 215, a sliding block 216 is slidably installed inside the chute plate 215, a sealing plate 217 used in cooperation with the autoclave tank 201 is fixedly connected to the front end of the sliding block 216, a threaded post 218 is rotatably connected to the top of the sealing plate 217, a threaded barrel 219 used in cooperation with the threaded post 218 is fixedly installed to the front portion of the top of the autoclave tank 201, and a rotary table 220 is fixedly connected to the front end of the threaded post 218.
As a preferred embodiment, in order to purify and recycle methanol with impurities, in the present invention, a first liquid collecting tank 102 and a second liquid collecting tank 103 are respectively disposed on an upper side and a lower side of an interior of the processing bottom frame 101, return pipes 4 are fixedly communicated with bottom ends of leftmost and rightmost gas collecting boxes 202, a bottom end of each return pipe 4 sequentially penetrates through the processing bottom frame 101 and extends to an interior of the first liquid collecting tank 102, bottom ends of a plurality of gas collecting boxes 202 in a middle portion of the leftmost and rightmost two gas collecting boxes 202 are fixedly communicated with a dropping pipe 5, a bottom end of each dropping pipe 5 penetrates through the processing bottom frame 101 and extends to an interior of the second liquid collecting tank 103, a filter valve 104 is fixedly connected to one end of each dropping pipe 5 extending to an interior of the second liquid collecting tank 103, the filter valve 104 can filter gas to allow liquid to pass through, heaters 105 are fixedly connected to both sides of a top of the processing bottom frame 101 through a water pump 107, a top end of each water pump 7 is fixedly connected to a top end of the liquid collecting pipe 213, and a water pump 213 is connected to a top of the liquid collecting pipe 7, and a water pump 213, and a water outlet 7 of the liquid pump 7 is connected to a top of the processing bottom frame 101 and a water outlet pipe 213.
As a preferred embodiment, in order to facilitate the mixing of the liquids by the staff, in the present invention, the liquid mixing mechanism 3 includes a first liquid mixing tank 301, the first liquid mixing tank 301 is fixedly connected to the top of the middle autoclave tank 201 through a fixing plate, the top of the first liquid mixing tank 301 is fixedly connected to a second liquid mixing tank 302 through a bracket, the top of the second liquid mixing tank 302 is fixedly connected to a driving tank 303, the top of the inner cavity of the driving tank 303 is fixedly connected to a motor 304, the motor 304 is a servo motor, the output shaft of the motor 304 is fixedly connected to a rotating rod 305 through a coupling, the bottom end of the rotating rod 305 sequentially penetrates through the driving tank 303, the second liquid mixing tank 302 and the first liquid mixing tank 301 and extends to the inside of the first liquid mixing tank 301, dwang 305 extends to the inside one end of first liquid mixing box 301 and passes through the bearing spare and rotate the bottom of connecting in first liquid mixing box 301 inner chamber, the upper portion on dwang 305 surface and lower part just are located the equal fixedly connected with stirring leaf 306 in inside of first liquid mixing box 301 and second liquid mixing box 302, the rear portion of first liquid mixing box 301 and second liquid mixing box 302 all throws liquid pipe 307 through seting up opening fixedly connected with, the both sides between second liquid mixing box 302 and the first liquid mixing box 301 all fixedly communicate have down pipe 308, the fixed surface of down pipe 308 installs solenoid valve 309, the rear portion of first liquid mixing box 301 has shunt tube 310 through seting up opening fixed mounting, the both sides and the equal fixedly connected with catheter 8 in bottom of shunt tube 310, the one end of three catheter 8 is fixed respectively to be communicated in the top of three transfusion box 211.
The advantage of the second embodiment over the first embodiment is that: through having seted up two recesses of first collecting tank 102 and second collecting tank 103 in the inside of handling underframe 101, place pure methyl alcohol and the methyl alcohol that has impurity respectively, the inside of first collecting tank 102 is provided with heating rod 106 simultaneously, the setting of these structures can heat the distillation purification with the methyl alcohol after arranging the impurity, make it condense again and fall in the inside of second collecting tank 103 and carry out the reuse, loaded down with trivial details filtering work has been saved, for the staff provides convenience, vapor during the while heating can also increase the condensation rate that holds the temperature improvement solution of box 205, the effectual holistic functionality of equipment that has shown, through install respectively on the surface and the inside at autoclave case 201 spray pipe 213 and with pipelines such as flow tube 207 and fluid-discharge tube 208, through reasonable connection, can carry out the pouring of clean methyl alcohol, and the backward flow of impurity methyl alcohol, the stability of the liquid flow when having guaranteed to prepare, the direct operation of staff has been reduced, labor intensity has been reduced through installing first liquid tank 301 at the top of autoclave case 201 and installing the second mixing tank 301 and mixing liquid operation of the below the operation pole of the liquid flow, the operation of mixing tank 302 is carried out the action of mixing liquid and mixing operation of mixing the improvement of two kinds of the operation of not just can not taking place the mixed liquid and mixing the influence of the operation of the mixed liquid.
The preparation process of the high-temperature-resistant ceramic aerogel adopts the high-temperature-resistant ceramic aerogel preparation equipment and specifically comprises the following steps:
s1, before the aerogel is prepared, firstly injecting clean methanol into a second liquid collecting tank 103 through a pipeline, then injecting a sodium tetrasilicate solution and the methanol into a second liquid mixing tank 302 through a liquid injection pipe 307, observing the volume height through a scale groove on the surface, stopping after the sodium tetrasilicate solution and the methanol are completely injected, then starting a motor 304 to drive a stirring blade 306 to rotate through a rotating rod 305, so that the stirring blade 306 stirs the solution, stopping the motor 304 after the stirring is completed, then opening an electromagnetic valve 309 to enable the stirred solution to be injected into the first liquid mixing tank 301 through a liquid descending pipe 308, then continuing to inject extra water and methanol into the first liquid mixing tank 301 through the liquid injection pipe 307 and adding concentrated ammonia water as a catalyst, continuing to start the motor 304 after the liquid injection is completed to enable the stirring blade 306 to stir the liquid in the first liquid mixing tank 301, generating a silicon dioxide solution after the stirring is completed, and then performing the next solidification process;
s2, after the liquid is stirred, sequentially placing a plurality of grid plates 206 on the inner side of a containing box 205, starting a water pump 107 to extract methanol in a second liquid collecting tank 103 and inject the methanol into a liquid spraying pipe 213, then spraying the methanol into a small amount through a liquid spraying head 214 to stop the injection of the methanol, then opening a shunt pipe 310 to inject a silicon dioxide solution in the liquid collecting tank into an infusion box 211 through a liquid guide pipe 8, introducing the solution into a liquid collecting frame 209 through an infusion pipe 212 by the infusion box 211, finally dripping the solution into grids in the grid plates 206 through a liquid dripping cylinder 210, stopping after the grids are fully dripped, then starting two heaters 105 to enable a heating rod 106 to heat, distill and purify the methanol with the inside a first liquid collecting tank 102, changing the heated distillation into water vapor which flows through a return pipe 4 in a heat conduction pipe 204, a gas collecting box 202 and a liquid dripping pipe 203, so as to improve the temperature in the containing box 205, accelerate the solidification of the solution, reduce the solidification time, and enable the methanol gas which is changed into water vapor to be condensed again when the methanol gas flows through the cold in the liquid collecting tank 202, then, sliding and dropping the water dripping pipe 5 to be used again to remove impurities and then to finish the solidification process again;
s3, during impurity removal, the sealing plate 217 is pushed under the limiting position of the sliding block 216 to cover the front part of the autoclave box 201, then the rotary table 220 is rotated to drive the threaded column 218 to rotate into the threaded barrel 219, at the moment, the sealing plate 217 is completely fixed, then the water pump 107 is started again to pump out clean methanol in the second liquid collecting tank 103 and inject the clean methanol into the containing box 205 through the liquid spraying head 214 to soak solidified solids, then the autoclave box 201 is started to pressurize the inside, the methanol can permeate into gaps of aerogel solids more efficiently through slight pressurization to remove impurities, after the impurity removal process is completed for the first time, the liquid discharging pipe 208 is opened to discharge the methanol with impurities into the first liquid collecting tank 102 through the same flow pipe 207 for storage, when the solidification process needs to be performed for next aerogel production, the purification is performed by heating and accelerating the solidification speed of the gel, then the methanol is injected into the containing box 205 again to remove impurities until the impurities in the gel are removed, when the impurities are removed, then valves of all pipelines are closed, the valves inside the autoclave box is opened, and the sealing plate 217 is pressurized to obtain a next time, and the next time, after the next aerogel production is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a preparation equipment of high temperature resistant ceramic aerogel, includes backward flow purification mechanism (1), its characterized in that: the top of the reflux purification mechanism (1) is provided with a speed-up mechanism (2), the top of the speed-up mechanism (2) is provided with a liquid mixing mechanism (3), and the reflux purification mechanism (1) comprises a treatment bottom frame (101);
speed-up mechanism (2) include autoclave case (201), and autoclave case (201) are provided with threely, three autoclave case (201) all through fixed plate fixed connection in the top of handling underframe (101), the both sides of autoclave case (201) are all through seting up opening fixedly connected with gas collecting box (202), close two upper portion between gas collecting box (202) and lower part and the outside that is located autoclave case (201) all fixed intercommunication have communicating pipe (203), two upper portion between gas collecting box (202) and lower part and the inside that is located autoclave case (201) all fixed intercommunication have heat pipe (204), the top fixedly connected with of heat pipe (204) holds box (205), square lattice board (206) have been placed to the inboard that holds box (205), the right side fixedly connected with flow tube (207) of autoclave case (201) inner chamber, the rear side fixed intercommunication that holds box (205) bottom has fluid-discharge tube (208), and the bottom of flowing tube (207) runs through autoclave case (201) in proper order and handle underframe (101) and extend to the first end of fluid-discharge tube (207) the fixed intercommunication of fluid-discharge tube (207).
2. The apparatus for preparing high temperature resistant ceramic aerogel according to claim 1, wherein: the equal fixedly connected with in upper portion that is located and holds box (205) in autoclave case (201) cooperatees and uses with check board (206) album liquid frame (209), and the bottom of album liquid frame (209) has a drip section of thick bamboo (210) through seting up opening fixed mounting, the rear portion of autoclave case (201) has infusion box (211) through seting up opening fixed mounting, fixed intercommunication has transfer line (212) between the rear portion of album liquid frame (209) and infusion box (211), the left side at autoclave case (201) top is through seting up opening fixedly connected with spray tube (213), and the bottom of spray tube (213) extends to the inside of autoclave case (201), fixed intercommunication has a plurality ofly and holds spray head (214) that box (205) cooperateed and use on spray tube (213).
3. The apparatus for preparing high temperature resistant ceramic aerogel according to claim 2, wherein: the high-pressure kettle case (201) is characterized in that the two sides of the bottom of the inner cavity of the high-pressure kettle case (201) are fixedly connected with a chute plate (215), a sliding block (216) is arranged in the sliding groove plate (215) in a sliding mode, a sealing plate (217) matched with the high-pressure kettle case (201) for use is fixedly connected to the front end of the sliding block (216), a threaded column (218) is connected to the top of the sealing plate (217) in a rotating mode, a threaded barrel (219) matched with the threaded column (218) for use is fixedly installed at the front portion of the top of the high-pressure kettle case (201), and a rotary disc (220) is fixedly connected to the front end of the threaded column (218).
4. The apparatus for preparing high temperature resistant ceramic aerogel according to claim 3, wherein: handle the inside upside and the downside of underframe (101) and seted up first collecting tank (102) and second collecting tank (103) respectively, leftmost side and rightmost side the bottom of gas collection box (202) all fixed intercommunication has back flow (4), the bottom of back flow (4) runs through in proper order and handles underframe (101) and extend to the inside of first collecting tank (102), leftmost side and rightmost side two the bottom of a plurality of gas collection box (202) at gas collection box (202) middle part all fixed intercommunication has dripping pipe (5), and the bottom of dripping pipe (5) runs through and handles underframe (101) and extend to the inside of second collecting tank (103), dripping pipe (5) extend to the inside one end fixedly connected with air filter valve (104) of second collecting tank (103).
5. The apparatus for preparing high temperature resistant ceramic aerogel according to claim 4, wherein: handle both sides at underframe (101) top and all through fixed block fixedly connected with heater (105), the bottom fixedly connected with heating rod (106) of heater (105), and the bottom of heating rod (106) runs through the inside of handling underframe (101) and extending to first collecting tank (102), the left side fixed mounting who handles underframe (101) has water pump (107), the water inlet of water pump (107) and delivery port respectively fixedly connected with liquid suction pipe (6) and drain pipe (7), the one end of liquid suction pipe (6) runs through the inside of handling underframe (101) and extending to second collecting tank (103), the top intercommunication of connecting pipe (9) and drain pipe (7) is passed through at the top of hydrojet (213).
6. The apparatus for preparing high temperature resistant ceramic aerogel according to claim 5, wherein: mix liquid mechanism (3) and include first liquid case (301) that mixes, first liquid case (301) that mixes is through fixed plate fixed connection in the top of middle part autoclave case (201), the top of first liquid case (301) that mixes is through support fixedly connected with second liquid case (302), the top fixedly connected with drive case (303) of second liquid case (302) that mixes.
7. The apparatus for preparing high temperature resistant ceramic aerogel according to claim 6, wherein: the top fixedly connected with motor (304) of drive case (303) inner chamber, the output shaft of motor (304) passes through shaft coupling fixedly connected with dwang (305), the bottom of dwang (305) runs through drive case (303), second in proper order and mixes liquid case (302) and first liquid case (301) of mixing and extend to the inside of first liquid case (301) of mixing, dwang (305) extend to the one end of first liquid case (301) inside and pass through the bearing spare and rotate the bottom of connecting in first liquid case (301) inner chamber of mixing, the equal fixedly connected with stirring leaf (306) in inside that the upper portion on dwang (305) surface just is located first liquid case (301) of mixing and second liquid case (302) with the lower part.
8. The apparatus for preparing high temperature resistant ceramic aerogel according to claim 7, wherein: first liquid mixing box (301) and the rear portion of second liquid mixing box (302) all throw liquid pipe (307) through seting up opening fixedly connected with, the both sides between second liquid mixing box (302) and first liquid mixing box (301) are all fixed the intercommunication and are had down liquid pipe (308), the fixed surface of down liquid pipe (308) installs solenoid valve (309), the rear portion of first liquid mixing box (301) has shunt tubes (310) through seting up opening fixed mounting, the both sides of shunt tubes (310) and the equal fixedly connected with catheter (8) in bottom, three the one end of catheter (8) is fixed respectively to be linked through in the top of three transfusion box (211).
9. A process for preparing a refractory ceramic aerogel, which comprises using the refractory ceramic aerogel preparation apparatus of claim 8, wherein: the method specifically comprises the following steps:
s1, before preparing aerogel, firstly injecting clean methanol into a second liquid collecting tank (103) through a pipeline, then injecting a sodium tetrasilicate solution and the methanol into the second liquid mixing tank (302) through a liquid injection pipe (307), observing the volume height through a scale groove on the surface, stopping after the sodium tetrasilicate solution and the methanol are completely injected, then starting a motor (304) to drive a stirring blade (306) to rotate through a rotating rod (305), so that the stirring blade (306) stirs the solution, stopping the motor (304) after the stirring is completed, then opening an electromagnetic valve (309) to enable the well-stirred solution to be injected into the first liquid mixing tank (301) through a liquid discharge pipe (308), then continuing injecting extra water and methanol into the first liquid mixing tank (301) through the liquid injection pipe (307) and adding strong ammonia water as a catalyst, continuing starting the motor (304) after the liquid injection is completed to enable the stirring blade (306) to stir the liquid in the first liquid mixing tank (301), generating a silicon dioxide solution after the stirring is completed, and then performing the next step of solidifying;
s2, after the liquid is stirred, sequentially placing a plurality of grid plates (206) on the inner side of the containing box (205), starting a water pump (107) to extract the methanol in the second liquid collecting tank (103) and inject the methanol into a liquid spraying pipe (213), then methanol is sprayed into a point through a liquid spraying head (214) to stop the injection of the methanol, then a shunt pipe (310) is opened to allow the silicon dioxide solution in the infusion box to be injected into the infusion box (211) through a liquid guide pipe (8), the infusion box (211) guides the solution into a liquid collection frame (209) through an infusion pipe (212) and finally drops the solution into grids in a grid plate (206) through a dropping barrel (210), and the stopping is carried out after the grids are fully dropped, then starting the two heaters (105) to enable the heating rod (106) to heat, distill and purify the methanol with impurities in the first liquid collecting tank (102), changing the heated distillation into vapor to flow in the heat conduction pipe (204), the gas collecting box (202) and the communicating pipe (203) through the return pipe (4), thereby increasing the temperature inside the containing box (205) to accelerate the solution solidification and reduce the solidification time, the methanol gas which is converted into water vapor is condensed into sensed methanol water drops again when meeting cold when circulating in the gas collecting box (202), then the methanol gas slides to the inside of the second liquid collecting tank (103) again along the dripping pipe (5) by the weight of the methanol gas for reuse, and an impurity removing process is carried out after the methanol gas is solidified;
s3, during impurity removal, the sealing plate (217) is pushed to cover the front part of the high-pressure kettle box (201) under the limiting of the sliding block (216), then the rotary disc (220) is rotated to drive the threaded column (218) to rotate into the threaded cylinder (219), at the moment, the sealing plate (217) is completely fixed, then the water pump (107) is started again to pump out clean methanol in the second liquid collecting tank (103) and inject the clean methanol into the containing box (205) through the liquid spraying head (214) to soak solidified solid, then the high-pressure kettle box (201) is started to pressurize the inside, methanol can permeate into gaps of aerogel solid more efficiently through slight pressurization, impurities are removed, after the first impurity removal process is completed, the liquid discharging pipe (208) is opened to discharge methanol with the impurities into the first liquid collecting tank (102) through the flow pipe (207) to store the methanol, when the next aerogel preparation needs to be performed with solidification processes, the solidification speed of gel is accelerated through heating, then the methanol is injected into the containing box (205) to perform impurity removal until all impurities in the sealed tank are discharged, and the sealed tank (201) is closed after all the impurities are manufactured, and the sealed tank (201) is pressurized, and then the sealed tank is pressurized.
CN202211223888.6A 2022-10-09 2022-10-09 Preparation equipment and preparation process of high-temperature-resistant ceramic aerogel Pending CN115304067A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211223888.6A CN115304067A (en) 2022-10-09 2022-10-09 Preparation equipment and preparation process of high-temperature-resistant ceramic aerogel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211223888.6A CN115304067A (en) 2022-10-09 2022-10-09 Preparation equipment and preparation process of high-temperature-resistant ceramic aerogel

Publications (1)

Publication Number Publication Date
CN115304067A true CN115304067A (en) 2022-11-08

Family

ID=83867221

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211223888.6A Pending CN115304067A (en) 2022-10-09 2022-10-09 Preparation equipment and preparation process of high-temperature-resistant ceramic aerogel

Country Status (1)

Country Link
CN (1) CN115304067A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB310823A (en) * 1927-12-01 1929-05-01 Charles Wesley Nance Process for the treatment of hides in the production of leather
US3672833A (en) * 1967-11-30 1972-06-27 France Etat Method of preparing inorganic aerogels
CN101224982A (en) * 2008-01-30 2008-07-23 山西大学 Spinelle ferrite aerogel and preparation method thereof
CN101714590A (en) * 2008-10-06 2010-05-26 珂琳21风险投资株式会社 Method for producing semiconductor particles
CN203123938U (en) * 2012-10-09 2013-08-14 天津市职业大学 Supercritical fluid device for preparing micropowder
CN104271231A (en) * 2012-02-28 2015-01-07 莱斯特大学 Chemical reaction by combination of gas - phase and wet -chemical methods
CN205145937U (en) * 2015-10-12 2016-04-13 湖北三江航天红阳机电有限公司 Overcritical dry pure alcohol cyclic utilization device of aerogel
CN207570220U (en) * 2017-12-04 2018-07-03 陕西盟创纳米新型材料股份有限公司 With aeroge production drying kettle with dissection
CN209759050U (en) * 2019-01-17 2019-12-10 黄金龙 preparation equipment of zirconium dioxide aerogel
CN210528490U (en) * 2019-10-18 2020-05-15 苏州卓纳纳米技术有限公司 Preparation facilities of nanometer silica aerogel

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB310823A (en) * 1927-12-01 1929-05-01 Charles Wesley Nance Process for the treatment of hides in the production of leather
US3672833A (en) * 1967-11-30 1972-06-27 France Etat Method of preparing inorganic aerogels
CN101224982A (en) * 2008-01-30 2008-07-23 山西大学 Spinelle ferrite aerogel and preparation method thereof
CN101714590A (en) * 2008-10-06 2010-05-26 珂琳21风险投资株式会社 Method for producing semiconductor particles
CN104271231A (en) * 2012-02-28 2015-01-07 莱斯特大学 Chemical reaction by combination of gas - phase and wet -chemical methods
CN203123938U (en) * 2012-10-09 2013-08-14 天津市职业大学 Supercritical fluid device for preparing micropowder
CN205145937U (en) * 2015-10-12 2016-04-13 湖北三江航天红阳机电有限公司 Overcritical dry pure alcohol cyclic utilization device of aerogel
CN207570220U (en) * 2017-12-04 2018-07-03 陕西盟创纳米新型材料股份有限公司 With aeroge production drying kettle with dissection
CN209759050U (en) * 2019-01-17 2019-12-10 黄金龙 preparation equipment of zirconium dioxide aerogel
CN210528490U (en) * 2019-10-18 2020-05-15 苏州卓纳纳米技术有限公司 Preparation facilities of nanometer silica aerogel

Similar Documents

Publication Publication Date Title
CN213834705U (en) Aeration tank for urban landscape capable of indirectly improving water quality
CN115304067A (en) Preparation equipment and preparation process of high-temperature-resistant ceramic aerogel
CN209828821U (en) Purification device is used in laboratory for biochemistry
CN214422598U (en) Dealcoholizing device for yellow rice wine production
CN214193164U (en) Rapeseed oil decoloration device
CN211273639U (en) Novel ultrasonic extraction device for traditional Chinese medicine
CN210473653U (en) Automatic alcohol precipitation device of compound red clothing tonifying blood oral liquid production
CN217795866U (en) Demineralized water preparation facilities
CN219470075U (en) Quick saccharification boiling pot
CN111607502A (en) Varicella virus stock solution preparing device
CN220371017U (en) Impurity removing device for preparing benzyl acetate
CN111530145A (en) Microporous filtering system with stirring washing and side discharging mechanisms
CN219885807U (en) Be used for accurate throwing of denitrification carbon source to add equipment
CN213032318U (en) Batching device of slurry blending container
CN219024304U (en) Special vaporization reaction device for methanol gasoline
CN212594023U (en) Novel light and heavy separation tower reboiler with high evaporation efficiency
CN219167936U (en) Wastewater treatment device
CN212662757U (en) Traditional chinese medicine extract preparation facilities
CN216653395U (en) American ginseng ginsenoside extract concentrating equipment
CN213493639U (en) Receiving mechanism is expected to resin reation kettle discharge opening
CN214809074U (en) Useless lubricating oil regeneration vacuum distillation refining plant
CN219807862U (en) Boiler makeup water treatment equipment
CN220804580U (en) Liquid chromatographic column cleaning device
CN218590548U (en) Temperature control reaction kettle for producing regenerated solvent
CN213866190U (en) Solid-liquid separation and emulsifier adding device for yeast production process

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
AD01 Patent right deemed abandoned
AD01 Patent right deemed abandoned

Effective date of abandoning: 20230818