CN105588401A - Drying device for rapidly preparing aerogel through radiofrequency radiation - Google Patents
Drying device for rapidly preparing aerogel through radiofrequency radiation Download PDFInfo
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- CN105588401A CN105588401A CN201610129197.8A CN201610129197A CN105588401A CN 105588401 A CN105588401 A CN 105588401A CN 201610129197 A CN201610129197 A CN 201610129197A CN 105588401 A CN105588401 A CN 105588401A
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- 238000001035 drying Methods 0.000 title claims abstract description 83
- 230000005855 radiation Effects 0.000 title claims abstract description 39
- 239000004964 aerogel Substances 0.000 title abstract description 15
- 239000011261 inert gas Substances 0.000 claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 claims abstract description 32
- 238000012806 monitoring device Methods 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 25
- 239000002699 waste material Substances 0.000 claims abstract description 19
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 238000000605 extraction Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 11
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 239000000470 constituent Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 238000007605 air drying Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- 230000009969 flowable effect Effects 0.000 claims description 2
- 239000001307 helium Substances 0.000 claims description 2
- 229910052734 helium Inorganic materials 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000002923 metal particle Substances 0.000 claims description 2
- 229910052754 neon Inorganic materials 0.000 claims description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims description 2
- 239000002912 waste gas Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 1
- 239000002737 fuel gas Substances 0.000 claims 1
- 238000012216 screening Methods 0.000 claims 1
- 238000007664 blowing Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 239000000843 powder Substances 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 abstract 1
- 239000010409 thin film Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000000352 supercritical drying Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 239000007783 nanoporous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
- F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
- F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0091—Preparation of aerogels, e.g. xerogels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microbiology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Electromagnetism (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a drying device for rapidly preparing aerogel through radiofrequency radiation. The drying device comprises an outer box (11) of the device, an inner container (12) of the device, an automatic control device (13) of the device, a blowing channel (14) allowing inert gas to enter the inner container of the device, a radio frequency generator (15) of the device, an extraction channel (16) allowing gas in the inner container of the device to enter a recovery system and a three waste treatment system, a monitoring device (17) of the device, a caterpillar band conveying device (19) in the inner container of the device, an air homogenizing net (22) of the drying device and a blowing channel (23) for allowing the inert gas preheated by a heat supply system to enter the inner container of the device, wherein the air homogenizing net (22) is used for improving hot air distribution; and the inner container (12) is provided with a channel, and the inner container (12) can be communicated or not communicated with an inert gas system (3), the heat supply system (4), the recovery system (5) and the three waste treatment system (6) which are on the periphery of the device. The drying device can be used as a drying tool of various-form products such as aerogel powder, particles, felts, plates, cloth, thin films and the like; the drying device has the extremely-high production efficiency and automatic degree; and the manufacturing level of the aerogel industry will be powerfully promoted.
Description
Technical field
The present invention relates to a kind of drying equipment of preparing aeroge, particularly a kind of radio-frequency radiation is prepared aeroge fastDrying equipment.
Background technology
Aeroge is a kind of novel nano-porous materials, because of have ultralow thermal conductivity factor, low-density, low-k,The peculiar performances such as low-refraction and high-specific surface area, high-insulativity, high light transmittance, at calorifics, optics, electricity, chemistry, acoustics etc.Field demonstrates the characteristic of many mysteries, is called as the magical material that changes the world.
The production technology of current aeroge mainly comprises supercritical drying production technology and constant pressure and dry production technology, althoughThrough the development of more than 10 years, production technology was updated and is perfect, and production efficiency improves constantly, no matter but domestic or foreign enterprise of stateIndustry is still step semi-automatic production substantially all, does not also have enterprise can accomplish the fully-automatic production of continous way in industry.Trace it to its cause, the one, supercritical drying needs supercritical, high pressure extraction kettle in producing, and also needs to adopt in constant pressure and dry production technologyWith drying kettle, the products such as aerogel blanket and aerogel plate cannot be carried by pipeline, kettle cover must be opened, and lift by drivingMaterial; The 2nd, workshop section's time of traditional aeroge production technology is longer, and particularly aging workshop section and modification workshop section, often reach 10Several hours and even a couple of days, this brings very large obstruction to the linking of each workshop section. Therefore, current each aeroge manufacturing enterprise is mainly logicalCross the linking of adjusting each production workshop section's number of devices combination and optimizing each workshop section and promote the efficiency that whole aeroge is produced, and thenReduce costs.
The intermittent semi-automatic mode of production, not only hinders the lifting of production efficiency, because workshop section's linking link is many, and on-the-spot behaviourDo workman many, be also unfavorable for the control of product quality, the control of cost of labor, in production process easily because of personnel's maloperation or secondThe security incident that the organic matters such as alcohol are revealed or equipment fault causes constitutes a threat to the guarantee of Field Force's life security.
For overcoming the above problems, the present invention proposes the drying equipment that a kind of brand-new aeroge is produced fast.
Summary of the invention
Radio-frequency radiation is prepared a drying equipment for aeroge fast, comprises the outer case of equipment, the inner bag of equipment, equipmentAutomaton, inert gas access arrangement inner bag blast passage, the radio-frequency signal generator of equipment, gas in equipment inner bagEnter the extraction passage of recovery system and three wastes treatment system, the monitoring device of equipment, the track conveying device in equipment inner bag,Drying equipment improve the equal wind net that hot blast distributes, the inert gas access arrangement inner bag of heating system preheating blast passage;Metal monitoring device in monitoring device and organic gas monitoring device between equipment outer case 1 and the inner bag of equipment, temperatureDegree monitoring device, oxygen concentration monitor and video monitoring devices are positioned at equipment inner bag; On equipment, work drive motor is explosion-proofMotor; On inner bag, there is passage, can pass through with the inert gas system of equipment periphery, heating system, recovery system, three wastes treatment systemLead to or close.
Described inert gas system, supplies with inert gas to drying equipment, guarantee oxygen concentration in drying equipment lower thanThe minimum oxygen content that gas fuel burning or blast need in drying equipment, inert gas comprise nitrogen, carbon dioxide, helium,One or more in argon gas, neon.
Described heating system, is made up of heat exchanger and thermal medium, and wherein thermal medium comprises hot water, steam, conduction oil, skyIn gas, inert gas and heating wire one or more.
Described recovery system, for reclaiming the supplementary material can be recycled and the inert gas system note of drying equipmentEnter the inert gas of drying equipment, way of recycling comprises condensation, evaporation, rectifying, concentrated, absorption, filters, a kind of or several in screeningThe mode of kind.
Described three wastes treatment system is for the treatment of the waste liquid not can be recycled producing in production process, waste gas and uselessGu.
Described radio-frequency radiation is prepared the drying equipment of aeroge fast, can only adopt radio-frequency radiation dry, also canOnly adopt inert gas heated-air drying, can also adopt radio-frequency radiation to be dried and inert gas heated-air drying combination drying.
Described radio-frequency radiation is prepared the drying equipment of aeroge fast, has radio-frequency signal generator, and radio-frequency signal generator sendsThe operating frequency of radio frequency is 300KHz ~ 300GHz, and radio frequency power output is 250W ~ 1000kW.
Described radio-frequency radiation is prepared the drying equipment of aeroge fast, has monitoring device and automaton; PrisonSurvey device and comprise metal monitoring device, device for detecting temperature, oxygen concentration monitor, organic gas monitoring device and video monitorOne or more in device, the metal particle size range of metal monitoring device monitoring is for being greater than 0.1mm, and device for detecting temperature is monitoredTemperature range be-50 ~ 300 DEG C, the oxygen concentration scope of oxygen concentration monitor monitoring is 0.01% ~ 25%; AutomatonComprise PLC control system device or DCS control system device or safety interlocking, the control interface of automaton canAway from working site; Radio-frequency signal generator, equipment work drive motor can by monitoring device and automaton realize long-range orOn-the-spot control, safety interlocking automatically or stop in emergency.
Described radio-frequency radiation is prepared the drying equipment of aeroge fast, and the inner bag connecting before and after having, can intercept lifeIn product process, moisture or acid constituents or alkaline constituents or organic component directly contact with other workpieces of drying equipment outside inner bag,Inner bag material is polymer or pottery or glass, and inner bag can be that an entirety can be also multistage splicing.
Described radio-frequency radiation is prepared the drying equipment of aeroge fast, has track conveying device in inner bag, this conveyingThe material of device is polymer or pottery or glass, and conveying device can be that a whole piece can be also that multistage is spelled in drying equipmentConnect, crawler belt speed is that 0.1m/min ~ 25m/min is adjustable, and track conveying device can be solid, can be also mesh.
Described radio-frequency radiation is prepared the drying equipment of aeroge fast, has passage on inner bag, can with indifferent gas systemSystem, heating system, recovery system, three wastes treatment system connect or close.
Described inertia system, the entrance and exit place of preparing fast the drying equipment of aeroge in radio-frequency radiation is provided withInert gas sealing air curtain, has inert gas blast passage and extract passage out at other positions of drying equipment, blast passage andExtract the air quantity of passage out substantially quite and maintain device interior in pressure-fired.
Described improve equal wind net that hot blast distributes below track conveying device, and form with the bottom surface of equipment inner bagThe free flowable cavity of air-flow, the inert gas access arrangement inner bag of heating system preheating blast passage 23 and equipment inner bagBottom be connected.
Described inert gas system, heating system, recovery system and three wastes treatment system are except quick with radio-frequency radiationPrepare aeroge equipment and interconnect outside perforation, said system also has passage to be connected with pump each other, can carry out material orThe related exchange of heat. As heating system can provide heat, warp for inert gas system, recovery system and three wastes treatment systemThe inert gas that recovery system was processed revert to inert gas system again.
Described radio-frequency radiation is prepared the drying equipment of aeroge fast, has monitoring device and automaton, aobviousWork has promoted the gentle security level control of Automated water of producing.
Described radio-frequency radiation is prepared the inner bag of the drying equipment of aeroge fast, and material is polymer or pottery or glassGlass, had both played outside the access arrangement inner bag such as organic gas and acid, alkaline constituents in effective isolation inner bag, eliminates safe hidden trouble,Improve the working environment of the parts such as radio-frequency signal generator, can also allow radio-frequency signal generator send radio frequency and effectively penetrate and act on aerogeThe correlative of preparation, promotes radio-frequency radiation utilization rate.
Described drying equipment entrance and exit place of preparing fast aeroge in radio-frequency radiation arranges inert gas sealingAir curtain, contributes to guarantee present device continous way automated safe production, gets rid of the turnover of extraneous air and material to equipmentThe impact of atmosphere in inner bag.
The effect of radio-frequency radiation to aeroge rapid draing Acceleration of starting. In the supplementary material of preparing because of aeroge, often containMoisture, ethanol diluent isopolarity molecule, under fast-changing radiofrequency field (300KHz ~ 300GHz) effect, its polarity orientationVariation along with external radio frequency field is changed, cause the spin motion effect of polar molecule, now the field energy of radiofrequency field transformsFor the heat energy in medium, temperature of charge is raise, and reach the object of radio frequency heating.
Beneficial effect
Compared with prior art, the drying equipment that radio-frequency radiation of the present invention is prepared aeroge fast has following significant advantage.
1) production efficiency significantly promotes. Tradition supercritical drying drying process or constant pressure and dry technique dry aerogels often needSeveral to tens of hours, adopt the present invention can in 0.5 ~ 2h, complete whole drying process.
2) can realize continuous full-automatic produces. The present invention has overcome traditional drying equipment can only intermittent semi-automaticA difficult problem of producing, the operation slitless connection such as sol-gel, aging, substitution that can produce with aeroge, realizes continous way completeAutomatically produce, and even realize produce unmanned, will greatly promote automation and the intellectuality of aeroge industry production level, realThe high-end manufacture of existing high-end new material.
3) be conducive to control and the production safety guarantee of product quality. Of the present invention increasingly automated, be easy to guarantee productThe uniformity of each batch of quality, greatly reduces workshop site operation personnel, avoids the danger such as personnel's maloperation, minimizing personnel and ethanolThe contact probability of danger chemicals, has greatly promoted site operation personnel's life security guarantee.
4) go for the production of variform aeroge product. Traditional drying equipment generally only can be used in single shapeThe production of state product, the present invention goes for aerogel powder, aerogel particle, aerogel blanket, aerogel plate, airsetting adhesive plasterWith the production of the product of the variforms such as aerogel, the degree of flexibility of the production of greatly widening and applicability are beneficial to enterprise very muchThe application of industry extended products, saving equipment investment.
Brief description of the drawings
Fig. 1 radio-frequency radiation is prepared the drying equipment structure schematic diagram of aeroge fast;
Fig. 2 radio-frequency radiation is prepared drying equipment and the peripheral system composition schematic diagram of aeroge fast.
In figure, wherein 11 outer case that are equipment, 12 inner bags that are equipment, 13 automatons that are equipment, 14 areInert gas access arrangement inner bag blast passage, 15 radio-frequency signal generators that are equipment, 16 enter back for gas in equipment inner bagThe extraction passage of receipts system and three wastes treatment system, 17 monitoring devices that are equipment, 19 is that crawler belt in equipment inner bag is carried dressPut, 22 for drying equipment improve hot blast distribute equal wind net, 23 is in the inert gas access arrangement of heating system preheatingCourage blast passage; 10 is the drying equipment that radio-frequency radiation is prepared aeroge fast, and 3 is inert gas system, and 4 is heat supply systemSystem, 5 is recovery system, 6 is three wastes treatment system.
Detailed description of the invention
Also by specific embodiment radio-frequency radiation of the present invention being prepared to the dry of aeroge fast below in conjunction with accompanying drawing establishesStandby being further described in more detail.
As shown in Figure 1, radio-frequency radiation is prepared fast aeroge and is put drying equipment, comprises the outer case 11 of drying equipment, dryThe inner bag 12 of dry equipment, the automaton 13 of drying equipment, what inert gas entered drying equipment inner bag blasts passage 14,The radio-frequency signal generator 15 of drying equipment, in drying equipment inner bag, gas enters the extraction passage of recovery system and three wastes treatment system16, the monitoring device 17 of drying equipment, the track conveying device 19 in drying equipment inner bag, the hot blast that improves of drying equipment distributesEqual wind net 22, what the inert gas of heating system preheating entered drying equipment inner bag blasts passage 23.
Track conveying device in above-mentioned Fig. 1 can be solid crawler belt or mesh crawler belt, according to product situation difference, crawler beltForm preferably has difference. Solid crawler belt as preferred in all devices crawler belt of producing aerogel particle and powder; As production airsettingGlue felt or aerogel plate, preferably mesh crawler belt.
According to the difference of producing aeroge product form, radio-frequency radiation is prepared the material of the drying equipment 10 of aeroge fastEntrance or exit also have corresponding blowing or material collecting device.
As shown in Figure 2, radio-frequency radiation is prepared drying equipment and the peripheral system composition of aeroge fast, comprises radio-frequency radiationPrepare fast the drying equipment 10 of aeroge, inert gas system 3, heating system 4, recovery system 5, three wastes treatment system 6.
Below in conjunction with a production instance of aerosil felt insulation, further illustrate the present invention.
First carry out the inert gas replacement in drying equipment inner bag 12. Before feeding intake, should first enter dry by inert gasThe passage 14 of dry equipment inner bag, injects drying equipment inner bag 12 by the carbon dioxide in inert gas system 3, establishes dryThe inner bag 12 at standby 10 entrance and exit place arranges carbon dioxide sealing air curtain blocking-up extraneous air and enters inner bag, then opensOpen gas in drying equipment inner bag and enter the passage 16 of recovery system and three wastes treatment system, to the interior gas of drying equipment inner bag 12Reclaim or three wastes processing, control and blast the intake of passage 14 and the air output of passage 16, equipment inner bag 12 keeps dryIn be pressure-fired, when the monitoring device 17 oxygen concentration monitors feedbacks oxygen concentrations in inner bag 12 are lower than 2% time, start automatically and controlDevice 13 processed and monitoring device 17, prepare production and feed intake.
To be that 105 DEG C of carbon dioxides are led from the passage 23 that blasts of drying equipment 10 through the temperature of heating system 4 preheatingsEnter, purge gel masses through equal wind net 22, start the radio-frequency signal generator 15 of drying equipment 10, the work of radio-frequency signal generator 15 simultaneouslyWorking frequency is 2450MHz, and power is between 60 ~ 150kw, guarantees that the temperature of the temperature-detecting device feedback of monitoring device 17 is 70~ 120 DEG C, regulate the gas of drying equipment 10 to extract the exhausting amount of passage 16 out, it is micro-making the air pressure in drying equipment 10 inner bags 12Malleation and a little less than drying equipment 10 exits by the air pressure of the carbon dioxide sealing air curtain that blasts passage 14 and blast, take outGoing out gas that passage 16 extracts out enters recovery system 5 and recycles or enter three wastes treatment system 6 and process rear discharge up to standard, approximately 30After minute, be dried, the material collecting device (winder) exporting by drying equipment is by be checked the rolling of aerogel heat-insulating felt.
In production process, the omnidistance work of monitoring device 17, once monitor the organic gas in the inner bag 12 of drying equipment 10Body is overflowed, or the interior gas temperature of inner bag exceeds standard or oxygen concentration exceeds standard or monitors metallic particles, and automaton 13 will startSafety interlocking or stop in emergency.
Thus, by the present invention can realize continous way increasingly automated level complete fast dry that aeroge producesDry process.
Above-described embodiment is only for the inventive concept of the present invention of explaining, but not restriction to rights protection of the present invention,Any simple modification, equivalent variations and modification that every foundation technology of the present invention and method essence are done above embodiment,All still belong in the scope of technology of the present invention and method scheme.
Claims (10)
1. radio-frequency radiation is prepared a drying equipment for aeroge fast, it is characterized in that, comprises the outer case 11 of equipment, equipmentInner bag 12, the automaton 13 of equipment, inert gas access arrangement inner bag blast passage 14, the radio-frequency signal generator of equipment15, in equipment inner bag, gas enters the extraction passage 16 of recovery system and three wastes treatment system, the monitoring device 17 of equipment, equipmentTrack conveying device 19 in inner bag, the equal wind net 22 that improves hot blast distribution of drying equipment, the indifferent gas of heating system preheatingBody access arrangement inner bag blast passage 23; Metal monitoring device in monitoring device 17 and organic gas monitoring device are positioned to be establishedBetween standby outer case 11 and the inner bag 12 of equipment, device for detecting temperature, oxygen concentration monitor and video monitoring devices are positioned to be establishedIn standby inner bag 12; On equipment, work drive motor is fire-proof motor.
2. radio-frequency radiation as claimed in claim 1 is prepared the drying equipment of aeroge fast, it is characterized in that, can only adopt and penetrateRadio-frequency radiation is dry, also can only adopt inert gas heated-air drying, can also adopt radio-frequency radiation to be dried and inert gas hot blastDry combination drying.
3. radio-frequency radiation as claimed in claim 1 is prepared aeroge speed drying equipment soon, it is characterized in that having radio-frequency signal generator15, the operating frequency that radio-frequency signal generator sends radio frequency is 300KHz ~ 300GHz, and radio frequency power output is 250W ~ 1000kW.
4. radio-frequency radiation as claimed in claim 1 is prepared the drying equipment of aeroge fast, it is characterized in that, has monitoring device17 and automaton 13; Monitoring device 17 comprises metal monitoring device, device for detecting temperature, oxygen concentration monitor, hasOne or more in machine gas controlling device and video monitoring devices, the metal particle size range of metal monitoring device monitoring is largeIn 0.1mm, the temperature range of device for detecting temperature monitoring is-50 ~ 300 DEG C, the oxygen concentration scope of oxygen concentration monitor monitoringBe 0.01% ~ 25%; Automaton 13 comprises PLC control system device or DCS control system device or safety interlocking,The control interface of automaton can be away from working site; Radio-frequency signal generator 15, equipment work drive motor can be by monitoringsDevice 17 and automaton 13 are realized long-range or on-the-spot automatic control, safety interlocking or stop in emergency.
5. radio-frequency radiation as claimed in claim 1 is prepared the drying equipment of aeroge fast, it is characterized in that, before and after having, connectsInner bag 12, can intercept other works of equipment outside moisture in production process or acid constituents or alkaline constituents or organic component and inner bagMake parts and directly contact, inner bag material is polymer or pottery or glass, and inner bag can be that an entirety can be also that multistage is spelledConnect.
6. radio-frequency radiation as claimed in claim 1 is prepared the drying equipment of aeroge fast, it is characterized in that, has shoe in inner bagBand conveying device 19, the material of this conveying device is polymer or pottery or glass, conveying device can be one whole in equipmentBar can be also multistage splicing, and crawler belt speed is that 0.1m/min ~ 25m/min is adjustable, and track conveying device can be solid, alsoIt can be mesh.
7. radio-frequency radiation as claimed in claim 1 is prepared the drying equipment of aeroge fast, it is characterized in that, fast in radio-frequency radiationThe entrance and exit place of speed drying equipment is provided with inert gas sealing air curtain, has inert gas to blast at other positions of equipmentPassage and extract passage out, the air quantity that blasts passage and extract passage out substantially quite and maintain device interior in pressure-fired.
8. radio-frequency radiation as claimed in claim 1 is prepared the drying equipment of aeroge fast, it is characterized in that, improves hot blast and distributesEqual wind net 22 below track conveying device 19, and form the free flowable sky of air-flow with the bottom surface of equipment inner bag 12Chamber, the passage 23 that blasts of the inert gas access arrangement inner bag of heating system preheating is connected with the bottom of equipment inner bag 12.
9. radio-frequency radiation as claimed in claim 1 is prepared the drying equipment of aeroge fast, it is characterized in that, has logical on inner bagRoad, can connect or close with the inert gas system of equipment periphery 3, heating system 4, recovery system 5, three wastes treatment system 6.
10. radio-frequency radiation as claimed in claim 9 is prepared the drying equipment of aeroge fast, it is characterized in that, described inertiaGas system 3, supplies with inert gas to drying equipment, guarantees that oxygen concentration in drying equipment is lower than fuel gas in drying equipmentThe minimum oxygen content that burning or blast need, inert gas comprise a kind of in nitrogen, carbon dioxide, helium, argon gas, neon orSeveral; Described heating system 4, is made up of heat exchanger and thermal medium, and wherein thermal medium comprises hot water, steam, conduction oil, skyIn gas, inert gas and heating wire one or more; Described recovery system 5, for reclaiming can be recycled of drying equipmentSupplementary material and inert gas system inject the inert gas of drying equipment, way of recycling comprises condensation, evaporation, rectifying, denseOne or more modes in contracting, absorption, filtration, screening; Described three wastes treatment system 6 is for the treatment of producing not in production processWaste liquid, the waste gas and useless solid that can be recycled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610129197.8A CN105588401A (en) | 2016-03-08 | 2016-03-08 | Drying device for rapidly preparing aerogel through radiofrequency radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN101036031A (en) * | 2004-10-08 | 2007-09-12 | 帕特里齐奥·格兰多 | Dryer for yarns wound on reels |
| CN202322689U (en) * | 2011-11-29 | 2012-07-11 | 济南昊月吸水材料有限公司 | Water absorbent resin hydrogel dehydrating device |
| CN104556062A (en) * | 2014-12-30 | 2015-04-29 | 纳诺科技有限公司 | Microwave anti-explosion drying and recycling system used for aerogel material preparation |
| CN205448637U (en) * | 2016-03-08 | 2016-08-10 | 金承黎 | Radio frequency radiation prepares drying equipment of aerogel fast |
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| WO1996020822A1 (en) * | 1995-01-05 | 1996-07-11 | The Regents Of The University Of California | A method for rapidly producing microporous and mesoporous materials |
| CN101036031A (en) * | 2004-10-08 | 2007-09-12 | 帕特里齐奥·格兰多 | Dryer for yarns wound on reels |
| CN202322689U (en) * | 2011-11-29 | 2012-07-11 | 济南昊月吸水材料有限公司 | Water absorbent resin hydrogel dehydrating device |
| CN104556062A (en) * | 2014-12-30 | 2015-04-29 | 纳诺科技有限公司 | Microwave anti-explosion drying and recycling system used for aerogel material preparation |
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