WO2008004407A1 - Procédé de séchage par pulvérisation et appareil de séchage par pulvérisation - Google Patents

Procédé de séchage par pulvérisation et appareil de séchage par pulvérisation Download PDF

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Publication number
WO2008004407A1
WO2008004407A1 PCT/JP2007/061672 JP2007061672W WO2008004407A1 WO 2008004407 A1 WO2008004407 A1 WO 2008004407A1 JP 2007061672 W JP2007061672 W JP 2007061672W WO 2008004407 A1 WO2008004407 A1 WO 2008004407A1
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WIPO (PCT)
Prior art keywords
combustor
combustion
droplets
jet
drying
Prior art date
Application number
PCT/JP2007/061672
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English (en)
Japanese (ja)
Inventor
Ryuji Ishii
Yoshikuni Umeda
Atsuyoshi Kubotani
Minoru Yonehara
Toshiaki Kimura
Makoto Wada
Original Assignee
Pultech Corporation
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 Pultech Corporation filed Critical Pultech Corporation
Priority to JP2008523629A priority Critical patent/JPWO2008004407A1/ja
Publication of WO2008004407A1 publication Critical patent/WO2008004407A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/02—Heating arrangements using combustion heating
    • F26B23/026—Heating arrangements using combustion heating with pulse combustion, e.g. pulse jet combustion drying of particulate materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C15/00—Apparatus in which combustion takes place in pulses influenced by acoustic resonance in a gas mass

Definitions

  • the claimed invention is based on the use of food, medicine, chemical industrial products, etc. as raw materials, supplying them together with droplets, pulverizing, dehydrating and drying, and applying this technology to water-based emulsions.
  • the present invention relates to a pulverizing and drying method and a pulverizing and drying apparatus for the purpose of using John or the like for coating film formation with a low moisture content.
  • Patent Document 1 shows that various raw materials can be dehydrated and dried using a Nord combustor (pulse engine).
  • Patent Document 2 describes that a raw material in the form of a solution or slurry can be pulverized and dried by supplying it in the vicinity of the outlet of the exhaust pipe of the pulse combustor.
  • the Norse combustor includes a combustion chamber la and an exhaust pipe lb, and functions as follows. First, air (primary air) and fuel are supplied to the combustion chamber la from the supply pipe lc 'Id, respectively, and at startup, the mixture in the combustion chamber la is ignited by a spark plug (not shown) (explosion combustion process) . The combustion gas rises in pressure due to combustion and is ejected from the exhaust pipe lb at a high speed, and continues to be ejected by the action of inertia after the end of combustion (expansion and exhaust stroke).
  • air primary air
  • fuel are supplied to the combustion chamber la from the supply pipe lc 'Id, respectively, and at startup, the mixture in the combustion chamber la is ignited by a spark plug (not shown) (explosion combustion process) .
  • spark plug not shown
  • the combustion gas rises in pressure due to combustion and is ejected from the exhaust pipe lb at a high speed, and continues to be ejected by
  • Air and fuel are again sucked into the combustion chamber la that has become negative pressure due to the injection of combustion gas, and the high-temperature combustion gas in the exhaust pipe lb also flows back into the combustion chamber la (intake Mixing process).
  • the temperature of the combustionless combustor 1 rises as the operation continues and the temperature of the combustion gas becomes sufficiently high, the air-fuel mixture in the combustion chamber la will self-ignite due to the backflowing combustion gas, and the Norus combustion Even if the spark plug le is not used, the device 1 continues so-called pulse combustion that repeats explosions several hundreds to several hundreds per second.
  • Patent Document 1 Japanese Patent Publication No. 6-33939
  • Patent Document 2 Japanese Patent Laid-Open No. 2006-90571
  • the claimed invention intends to provide a method for appropriately pulverizing and drying raw materials using a Knoll combustor, and an apparatus used for the method. It is.
  • the pulverization drying method of the claimed invention is a method of pulverizing droplets containing a raw material to be treated (subject to be pulverized and dried) and drying the raw material, and the pulse combustor uses an outlet thereof. In the vicinity (near the outlet of the exhaust pipe. For example, a location in front of the opening end that is the outlet and about 10 mm away from the opening end)
  • Frequency is 60Hz or more ⁇ 1000Hz or less
  • Sound pressure is 140dB or more ⁇ 180dB or less
  • Temperature is 50 ° C or higher ⁇ 600 ° F or lower
  • a normal combustor can generate a linear wave corresponding to a sound wave and burn it (non-null combustion) by adjusting the amount of fuel and air supplied, etc. It is possible to burn (pulse combustion) while generating non-linear waves (pulse shock waves) with strong! / Impact. Since the vibrations associated with the combustion of the nozzle involve high sound pressure, By this wave, the raw material is dispersed into fine particles, and at the same time, the air boundary layer on the surface is destroyed and moisture near the surface is stripped off, so that the material is instantly dried.
  • the pulverization and drying method of the invention controls the fuel supply amount, air supply amount (combustion air or cooling air amount), raw material input amount, or raw material input state when the no-less combustor performs no-less combustion.
  • a pulse combustion jet having a wave of 60 to 1000 Hz, 140 to 180 dB and a temperature of 50 to 600 ° C. is ejected as described above, and droplets are supplied into the jet.
  • These nozzle combustion jets have high wave energy, while their thermal energy is relatively small and low temperature (in contrast to the highest temperature above 700 ° C when burning non-north like a burner). Is).
  • the droplets containing the raw material can be appropriately pulverized and dried, and the thermal effect on the raw material is suppressed. Therefore, there is an advantage that drying in an extremely short time is realized, and the temperature of the raw material is not increased so much that heat denaturation such as scorching, deterioration, or alteration does not easily occur.
  • the frequency is 700Hz or more ⁇ 800Hz or less near the outlet by a Nos combustor
  • Sound pressure is 140dB or more ⁇ 160dB or less
  • Temperature is over 50 ° C ⁇ 350 ° ⁇ or less
  • the nozzle combustion jet is formed, and the droplet is put into the nozzle combustion jet.
  • Diameter of about 3mm or less (eg;! ⁇ 3mm)
  • the supply point of the droplet is in front of the outlet of the pulse combustor and is between the outlet and a distance that is three times (preferably 1.5 times) the inner diameter of the outlet. is there.
  • the outlet of the nozzle combustor may face the resonance chamber (resonance tube), and the droplets may be supplied inside the resonance chamber.
  • a standing wave of a pulse shock wave can be formed in the resonance chamber. If droplets are supplied inside such a resonance chamber, the droplets are exposed to nonlinear waves for a long time and are strongly dispersed and dried, and can be efficiently crushed and dried. . Even when eddy currents occur around particles
  • the action is particularly remarkable.
  • the frequency is 1000 Hz or less, it is advantageous in that strong wave energy can exist in the resonance chamber for a long time.
  • the supply of the droplets described above is as follows: a) the impact of the Norse combustion jet is received several times (preferably 5 times or more) while the droplets move near the outlet of the pulse combustor; and b) No chemical changes (burnt, deterioration, alteration, etc.) occur in the above raw materials
  • the droplet force S pulse combustion jet is in the droplet force S pulse combustion jet for a sufficient time to satisfy the above a), and the droplet force S pulse combustion jet exits within a short time enough to satisfy the above b).
  • the force to reduce the droplet movement speed, the diameter of the combustion jet (the diameter of the outlet of the pulse combustor), etc. are increased.
  • the force for increasing the moving speed of the droplet, the diameter of the combustion jet, etc. are reduced.
  • the droplet movement speed is 3 m / s
  • the nozzle combustion jet diameter is 30 mm
  • the jet frequency is 700 Hz
  • the droplet stays in the jet for a maximum of about 0.01 second, and the same time.
  • the impact of the jet is about 7 times.
  • droplets are not necessarily crushed by a single impact from a pulse combustion jet. However, if the impact is applied multiple times as described above, each droplet is crushed and dried with a high probability. As illustrated above, if a droplet stays in the jet for about 0.01 seconds and receives the impact of the jet about seven times during that time, the droplet is almost certainly crushed and dried effectively.
  • the jet temperature is 50 At ⁇ 350 ° C, it is very unlikely that the droplet will undergo chemical changes within the residence time of about 0.01 seconds.
  • the outlet of the pulse combustor (the destination of the pulse combustion jet) is directed to the coating film forming surface, and droplets that are coating material are supplied into the pulse combustion jet. It is also preferable to do.
  • the above-described pulverization and drying action allows the coating material supplied as droplets to reduce moisture and finely disperse and adhere to the coating surface, thereby enabling preferable coating on the same surface.
  • Film materials such as resin emulsion and resin dispersion have a solid content of 20 to 30% from the viewpoint of storage stability of the solution. Therefore, when coating is performed using a blade coater, etc., a sufficiently thick film is formed. In order to achieve this, it is necessary to apply 2 to 3 coats while drying each time.
  • the water content of the coating material is instantaneously reduced to a solid content concentration that allows thick coating, the coating material is applied once, or a few times.
  • the coating film is formed after the water content is reduced, the subsequent drying can be performed in a very short time.
  • the reduction of the moisture content in the coating material is performed instantaneously, at low temperatures, and at a low temperature. Therefore, there is very little possibility that the material will be altered.
  • the droplets of the same material are dispersed finely, so there is an effect that it is homogeneous and beautiful, and when a coating film is formed.
  • the air in the combustion gas or around the combustion gas is used to cool the combustor itself and control the temperature, and to transport moisture separated from the raw material by drying.
  • Secondary air may be sprayed. Instead of such secondary air, an inert gas is supplied. Then, the chemical change of the raw material in the pulse combustion jet is further suppressed by the action of the inert gas.
  • the fuel is hydrogen
  • organic solvent As the droplets containing the raw material to be treated.
  • organic solvents low-boiling point methanol, ethanol, acetone, ethyl acetate, etc. can be handled in high quantities.
  • the organic solvent supplied as droplets should be pulverized and evaporated without being burned by a nozzle combustion jet.
  • the pulse combustor When supplying organic solvent droplets, if the pulse combustor performs non-no-burn combustion like a burner, the solvent will burn due to the high-temperature flame. When forming a less combustion jet! /, You can crush and evaporate the droplets without burning them. In this way, the organic solvent in the droplets can be recovered, and the thermal effect on the raw material in the droplets can be suppressed to avoid scorching, deterioration, or alteration. it can.
  • the outlet of the pulse combustor is directed to the coating surface, and the organic combustion IJ is placed in a Norse combustion jet (for example, frequency 700 to 800 Hz, sound pressure 140 to 160 dB, temperature 50 to 350 C).
  • a Norse combustion jet for example, frequency 700 to 800 Hz, sound pressure 140 to 160 dB, temperature 50 to 350 C.
  • the organic solvent is evaporated as described above, the organic solvent is separated from the adsorbent and recovered by adsorbing the evaporated organic solvent on the adsorbent (activated carbon or the like) and then heating the adsorbent. Is also good!
  • the evaporated organic solvent Since the evaporated organic solvent has not undergone chemical changes due to combustion, it can be collected by adsorbing it directly onto an adsorbent such as activated carbon. If the adsorbed adsorbent is then heated, the organic solvent is separated and removed, and can be recovered and reused. In this way, consumption of organic solvents and release into the atmosphere can be reduced.
  • an adsorbent such as activated carbon. If the adsorbed adsorbent is then heated, the organic solvent is separated and removed, and can be recovered and reused. In this way, consumption of organic solvents and release into the atmosphere can be reduced.
  • a pulverizing and drying apparatus includes a Norse combustor and a droplet supply device, and is configured to perform any one of the pulverizing and drying methods. is there. With such a pulverizing and drying apparatus, the above pulverizing and drying methods can be carried out to bring about preferred effects and effects.
  • FIG. 1 shows an embodiment of the present invention, and is a conceptual diagram showing a main part of a pulverizing and drying apparatus 10 including a nos combustor 1 and a raw material inlet 2.
  • FIG. 2 is an overall schematic diagram of a pulverization drying apparatus 10 constituted by a drying tower 11 including a pulse combustor 1 and other related equipment.
  • FIG. 3 is a schematic longitudinal sectional view showing a web-like substrate coating apparatus 20.
  • FIG. 4 is a system diagram showing an apparatus for recovering the pulverized and evaporated organic solvent.
  • FIG. 5 is a conceptual diagram showing a no-les combustor and measurement equipment used in the experiment.
  • FIG. 6 A diagram showing the results of measurement of the jet pressure spectrum during pulse combustion (Fig. 6 (a)) and non-nozzle combustion (Fig. 6 (b)) in a pulse combustor. is there.
  • FIG. 7 Changes in pressure (Fig. 7 (a)) and temperature (Fig. 7 (b)) measured at each point along the radial (diameter) direction at the nozzle outlet position of the nozzleless combustor.
  • FIG. 8 is a diagram showing measurement results of pressure (FIG. 8 (a)) and temperature (FIG. 8 (b)) measured at a position along the central axis of the nozzle outlet of the pulse combustor.
  • FIGS. 10 To (4) are series photographs showing images of the behavior of droplets when droplets (ethanol) are supplied into the Norse combustion jet.
  • FIGS. 1 to 10 show an embodiment of the invention.
  • Fig. 1 is a conceptual diagram showing the main parts of a crushing and drying device 10 including a no-les combustor 1 and a raw material input pipe 2.
  • Fig. 2 shows a drying tower (crushing and drying chamber) 11 including a pulse combustor 1 and others.
  • 1 is an overall schematic diagram of a crushing and drying apparatus 10 constituted by the related equipment.
  • FIG. 3 is a schematic longitudinal sectional view showing a coating apparatus 20 for a web-like substrate
  • FIG. 4 is a system diagram showing an apparatus for recovering an organic solvent which has been pulverized and evaporated.
  • 5 to 10 are diagrams showing the equipment used in the experiment described later and the experimental results.
  • the pulverization / drying apparatus 10 is configured as shown in FIG.
  • the drying tower 11 is composed of a Norls combustor 1 provided inside and a pulverization drying chamber 13 provided in connection therewith.
  • the connection between the Norm combustor 1 and the grinding / drying chamber 13 is as shown in Fig. 1, and the partition wall of the grinding / drying chamber 13 is connected to the outlet of the exhaust pipe lb connected to the combustion chamber la of the pulse combustor 1.
  • a raw material inlet pipe (droplet feeder) 2 is provided immediately downstream of the outlet of the exhaust pipe lb, and a slurry or solution raw material is supplied into the pulverizing and drying chamber 13 from this. As shown in FIG.
  • the crushing and drying chamber 13 has a lower hopper connected to a bag filter 15, and exhaust air is sucked and discharged by a blower 16.
  • the above raw materials are sent out by the pump 14 and supplied as droplets from the inlet 2 into the crushing and drying chamber 13.
  • the powder particles produced by crushing and drying the droplets by the action of the no-les combustor 1 fall to the bottom of the crushing and drying chamber 13 and are collected by the bag filter 15 and then collected in the collection container 15a. To be recovered.
  • the Norm combustor (pulse engine) 1 is configured as shown in Fig. 1.
  • an air (primary air) supply pipe lc and a fuel supply pipe Id are externally provided.
  • gas fuel such as city gas' propane 'propylene' hydrogen or liquid fuel such as kerosene 'light oil' heavy oil can be used.
  • a secondary air supply pipe ⁇ is connected around the exhaust pipe lb. The secondary air is supplied for the purpose of cooling the Norm combustor 1 to control the temperature of the crushing and drying chamber 13 and carrying out the water separated from the raw material by drying.
  • An inert gas such as nitrogen or argon can be supplied together with or in place of the secondary air.
  • the supply amount of the air (primary air) supply pipe lc, the fuel supply pipe ld, the secondary air supply pipe ⁇ , and the raw material input pipe 2 are adjusted.
  • Equipment (flow Quantity adjustment valve. (Not shown) is provided.
  • the raw material input tube 2 it is possible to change the raw material input mode, that is, the droplet size and the supply speed!
  • each adjusting device functions as a gas adjusting means! / In other words, the particle Reino number of exhaust gas near the raw material input pipe 2
  • the temperature and the primary particle size of the input raw material can be appropriately changed.
  • the wave energy (frequency. Sound pressure) and thermal energy (temperature) of the pulse combustion jet in the crushing and drying chamber 13 are changed. Etc. can be appropriately changed. Further, a standing wave can be generated in the chamber 13 depending on the relationship between the frequency of the wave and the size of the grinding / drying chamber 13.
  • a pressure sensor (for example, a semiconductor pressure sensor) 3 is further attached to the side of the combustion chamber la in the Nore combustor 1 (the part reaching the exhaust pipe lb) for wave detection.
  • a non-linear wave (pulse shock wave) having a strong impact is generated in the pulverization / drying chamber 13 to be stationary.
  • the room temperature has risen to, for example, about 60 ° C. due to the heat generated by the pulse combustor 1, and the secondary air transports moisture out of the system. Promoted.
  • FIG. 3 is a schematic view showing a coating apparatus 20 for a web-like substrate (cloth * paper * metal band, etc.) to which the principle of pulverization and drying as described above is applied.
  • the web-shaped substrate X is spread and unrolled by the unwinding machine 21 and the winding machine 22 and a plurality of rollers 23 arranged between them, and the nozzle combustor 1 with the outlet facing the surface of the substrate X. Is attached.
  • a resin emulsion or resin dispersion as a coating material can be supplied as droplets in the vicinity of the outlet of the combustor 1 by the supply means 2a and the input pipe 2 subsequent thereto. Further, a heating dryer for finally drying the substrate X between the charging pipe 2 and the winder 22 is used. 24 are arranged.
  • the substrate X can be efficiently coated in this way.
  • the solvent can be recovered by a recovery device configured as shown in FIG.
  • the apparatus shown in Fig. 4 has an exhaust gas pipe 31 from a crushing and drying apparatus (reference numeral 10 in Figs. 1 and 2) connected in parallel with adsorbers 32 ⁇ and 32 ⁇ containing activated carbon.
  • the outlets of the adsorbers 32 ⁇ and 32 ⁇ are connected to the air discharge pipe 33, thereby discharging clean air into the atmosphere.
  • a heater is attached to each of the adsorbers 32 ⁇ and 32 ⁇ , a water supply 34 is connected to the inlet side, a recovery pipe 35 is connected to the outlet side, and the solvent is recovered by the condenser 36 and separator 37.
  • the solvent is processed by the electric furnace 38.
  • one adsorber 32 adsorbs the organic solvent contained in the exhaust gas from the pulverization dryer to activated carbon, and the other adsorber 32 And heating the activated carbon
  • the adsorbed organic solvent is separated and recovered.
  • the inventors conducted experiments on the behavior of droplets near the outlet of the pulse combustor, etc., and made various measurements and observations in order to establish a pulverization drying technique using a Norse shock wave. The procedure and results are shown below.
  • the no-les combustor used in the experiment has the shape of a Helmholtz resonator as shown in Fig. 5.
  • Nols combustion was performed using the parameters shown in Table 1, and changes in pressure and temperature in the radial and axial directions of the injection jet were measured downstream of the nozzle outlet.
  • the Norse combustor was fixed at the theoretical amount of air that produced the most stable combustion (air ratio: 1.2), and a combustion gas swirl jet was generated by changing the amount of combustion.
  • a high-speed video camera and a shutter are used to show how droplets with a diameter of 2 to 3 mm fall freely in this oscillating combustion gas jet and the droplets collapse in the oscillating gas jet. It was visualized by a dough graph optical device and examined in detail. Shooting with a high-speed video camera was performed at 5,000 frames / second. The pressure was measured using a semiconductor pressure sensor, and the temperature was measured using a thermocouple. The spectrum of pressure fluctuations of the vibrating jet was obtained using an FFT frequency analyzer. The following liquid droplets were used.
  • Fig. 6 (a) shows the spectrum during pulse combustion
  • Fig. 6 (b) shows the spectrum during non-north combustion (burner combustion)!
  • Figures 7 (a) and 7 (b) show the changes in pressure (sound pressure) and temperature measured in the radial direction (diameter) at positions 10 mm and 60 mm downstream of the nozzle outlet of the Nors combustor.
  • “LPG_0.15” indicates the case where the nozzle combustion is performed
  • “LPG-0.11” indicates the case where the burner combustion is performed (non-NORS combustion).
  • (10) and (60) shown in parentheses indicate the distance from the nozzle outlet.
  • the average pressure near the central axis of the jet is about 25 dB higher during pulse combustion (LPG-0.15) than the burner combustion (LPG-0.11). It can be seen that the temperature is getting lower.
  • Figures 8 (a) and 8 (b) show the measurement results of pressure and temperature measured in the direction of the central axis of the nozzle of the nozzle combustor.
  • X on the horizontal axis indicates the distance from the nozzle outlet
  • D indicates the inner diameter of the nozzle (29 mm) at the nozzle outlet.
  • the dark color plot shows the pressure and temperature during pulse combustion (LPG-0.15), thin! /
  • the color plot shows the pressure and temperature during burner combustion (LPG-0.11)! /. From these figures, the average pressure at the same position on the shaft is about 25 dB higher in the burner combustion than in the burner combustion, and the average temperature in the pulse combustion is higher in the pulse combustion. It can be seen that the temperature is about 800 ° C lower.
  • the pressure in the pulse combustion jet is about 25 dB higher than the pressure in the non-pulse combustion jet, and the average temperature is about 800 ° C lower.
  • a droplet with a diameter of 2 to 3 mm is deformed into a sheet by several impacts with the contact surface that moves downstream after the shock wave in the jet, and then continues It forms a mist on impact with the contact surface and evaporates completely in a 100-300 ° C gas-jet.
  • a series of photographs (1) to (4) in Figure 10 shows how the droplet (ethanol) is destroyed. The time elapses in numerical order, and the time interval between each image is about 4 ms. From these photographs, it is observed that the droplets are pulverized and atomized almost at the same time as they leave the supply tube, and evaporate without burning.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Drying Of Solid Materials (AREA)
  • Separation Of Gases By Adsorption (AREA)

Abstract

[PROBLÈMES] L'invention vise à proposer un procédé pour réaliser un séchage par pulvérisation approprié, etc., de matières premières, etc., avec l'utilisation d'un dispositif de combustion par impulsions, et proposer un appareil pour une utilisation dans le procédé. [MOYENS POUR RÉSOUDRE LES PROBLÈMES] L'appareil (10) de séchage par pulvérisation comprend un dispositif de combustion par impulsions (moteur à impulsions) (1) et, disposé au voisinage de la sortie du tuyau d'échappement (1b) de celui-ci, un tuyau (2) d'admission de matière. Le dispositif (1) de combustion à impulsions génère au voisinage de sa sortie un jet de combustion par impulsions de fréquence de 60 à 1 000 Hz, une pression sonore de 140 à 180 dB et une température de 50° à 600°C, dans lequel des gouttelettes contenant une matière telle que l'objet de traitement sont adressées à travers un tuyau (2) d'admission de matière.
PCT/JP2007/061672 2006-06-08 2007-06-08 Procédé de séchage par pulvérisation et appareil de séchage par pulvérisation WO2008004407A1 (fr)

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JP2008523629A JPWO2008004407A1 (ja) 2006-06-08 2007-06-08 粉砕乾燥方法および粉砕乾燥装置

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JP2006-159686 2006-06-08
JP2006159686 2006-06-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012085211A2 (fr) 2010-12-22 2012-06-28 Rockwool International A/S Utilisation d'une matière en fibre vitreuse artificielle
US8876964B2 (en) 2009-06-23 2014-11-04 Rockwool International A/S Method of making particulate material

Citations (8)

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Publication number Priority date Publication date Assignee Title
JPS6284286A (ja) * 1985-10-07 1987-04-17 三井造船株式会社 パルス燃焼乾燥機
JPS6343678U (fr) * 1986-09-05 1988-03-23
JPH0840720A (ja) * 1994-08-03 1996-02-13 Ofic Co アルカリ金属化合物の低嵩密度微細粒子の製造方法
JP2000500559A (ja) * 1995-11-13 2000-01-18 マニュファクチュアリング アンド テクノロジー コンヴァージョン インターナショナル インコーポレイテッド 乾燥および加熱の方法および装置
JP2000061288A (ja) * 1998-05-12 2000-02-29 Degussa Huels Ag 粉末状の不均一物質の製造法
JP2000262806A (ja) * 1999-03-17 2000-09-26 Osaka Gas Co Ltd 吸着剤の再生方法
JP2005314187A (ja) * 2004-04-30 2005-11-10 Dai Ichi Kogyo Seiyaku Co Ltd チタン系酸化物およびその製造方法
JP2006090571A (ja) * 2004-09-21 2006-04-06 Kyoto Univ 粉砕乾燥方法および粉砕乾燥装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6284286A (ja) * 1985-10-07 1987-04-17 三井造船株式会社 パルス燃焼乾燥機
JPS6343678U (fr) * 1986-09-05 1988-03-23
JPH0840720A (ja) * 1994-08-03 1996-02-13 Ofic Co アルカリ金属化合物の低嵩密度微細粒子の製造方法
JP2000500559A (ja) * 1995-11-13 2000-01-18 マニュファクチュアリング アンド テクノロジー コンヴァージョン インターナショナル インコーポレイテッド 乾燥および加熱の方法および装置
JP2000061288A (ja) * 1998-05-12 2000-02-29 Degussa Huels Ag 粉末状の不均一物質の製造法
JP2000262806A (ja) * 1999-03-17 2000-09-26 Osaka Gas Co Ltd 吸着剤の再生方法
JP2005314187A (ja) * 2004-04-30 2005-11-10 Dai Ichi Kogyo Seiyaku Co Ltd チタン系酸化物およびその製造方法
JP2006090571A (ja) * 2004-09-21 2006-04-06 Kyoto Univ 粉砕乾燥方法および粉砕乾燥装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8876964B2 (en) 2009-06-23 2014-11-04 Rockwool International A/S Method of making particulate material
US9187370B2 (en) 2009-06-23 2015-11-17 Rockwool International A/S Method of making particulate material
WO2012085211A2 (fr) 2010-12-22 2012-06-28 Rockwool International A/S Utilisation d'une matière en fibre vitreuse artificielle

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