WO2018141630A1 - Verfahren und vorrichtung zur trocknung von explosivstoff - Google Patents
Verfahren und vorrichtung zur trocknung von explosivstoff Download PDFInfo
- Publication number
- WO2018141630A1 WO2018141630A1 PCT/EP2018/051857 EP2018051857W WO2018141630A1 WO 2018141630 A1 WO2018141630 A1 WO 2018141630A1 EP 2018051857 W EP2018051857 W EP 2018051857W WO 2018141630 A1 WO2018141630 A1 WO 2018141630A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- explosive
- chamber
- drying
- moisture
- drying chamber
- Prior art date
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
- C06B21/0091—Elimination of undesirable or temporary components of an intermediate or finished product, e.g. making porous or low density products, purifying, stabilising, drying; Deactivating; Reclaiming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/241—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening using microwave heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
- H05B2206/04—Heating using microwaves
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/78—Arrangements for continuous movement of material
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/80—Apparatus for specific applications
Definitions
- the present invention relates to a method and apparatus for drying explosive.
- Explosives in the context of the present invention are solid and liquid substances and mixtures of substances which undergo a certain strong chemical reaction when sufficient energetic activation, in which develop heat energy and gases.
- the above-mentioned explosives may contain some moisture, but this moisture is not desirable.
- the quality of the products produced from the explosives largely depends on the least possible moisture in the explosives.
- the durability and function, which are produced from the explosives depends on the least possible moisture contained therein.
- these substances are introduced into an oven, for which purpose various types of effects of the ovens are known. For example, drying by heat radiation is known, by convection or by vacuum drying.
- the present invention proposes exposing the fabric to microwave radiation, thereby heating the explosive and the moisture. By this heating, the moisture is discharged from the fabric, for example by evaporation.
- Microwaves have proven to be advantageous because they have a low energy consumption compared to conventional ovens and the time that the explosive is exposed to the microwave radiation until a sufficiently large degree of dryness is achieved is relatively low compared to conventional ovens.
- the heating by microwaves happens faster than in convection or radiant heat.
- the method and the device are not limited to only one explosive, but any compositions can be dried as an explosive.
- a carrying device is provided on which the explosive which is to be dried is applied.
- This carrier favors drying in several ways. Either the carrying device itself can be heated, which supports the drying process or the carrying device is refiectively equipped with microwave radiation, so that the microwave radiation acting on the explosive to be dried first penetrates through the substance, is reflected by the carrying device and then again through the substance to be dried - penetrates. Thus, an acceleration of the drying is possible by the design of the carrying device again.
- the support device can also be designed to be radiation permeable, so that microwaves can act on the explosive from different directions, including from below the support device.
- the moisture can be discharged when the explosive is heated, or it can be vaporized.
- the moisture then rises in a corresponding direction of discharge from the substances, namely upwards, as it is used to water vapor.
- the apparatus includes a drying chamber, in which the fabric can be dried.
- the device has a carrying device, similar to the aforementioned carrying device of the method on which the substance can be stored.
- At least one magnetron is now assigned to the drying chamber, which can generate microwave radiation in the direction of the carrying device and thus in the direction of the substances to be dried. It can also be provided several magnetrons, depending on the equipment of the carrying device also assigned in different directions of action of the drying chamber. Thus, the magnetrons can be arranged so that microwave irradiation can act on the explosive to be dried from several directions.
- the carrying device is designed to be reflective, it is proposed to arrange the magnetrons only above or laterally of the drying chamber so that the microwave radiation emitted by the magnetrons strikes the explosive mainly from above.
- the support device for microwave radiation is designed to be permeable, in this case, the magnetrons can also act from all directions on the substance to be dried, especially from below. Then the microwave radiation emitted from below would radiate through the support device and then strike the substance to be dried.
- At least one sensor is assigned to the drying chamber in order to detect the state within the drying chamber.
- These sensors may preferably measure humidity and / or measure temperatures. Based on these measurements, the condition within the chamber is easier to assess and also determine when a sufficiently high drying has happened.
- the carrying device is designed in a particular embodiment of the device as a conveyor belt, so that the explosive to be dried can be passed through the drying chamber.
- the conveyor belt has a transport direction and a transport speed.
- the explosive to be dried on the conveyor belt is passed through the drying chamber and the speed of the conveyor belt is then adjusted so that when moving out of the drying chamber, the fabric has a sufficiently high dryness.
- a first chamber is provided, which is upstream of the drying chamber.
- the conveyor now moves the explosive first through the first chamber and then into the drying chamber.
- a second chamber be stored downstream of the drying chamber, so that the conveyor belt then passes the material which is led out of the drying chamber through a second chamber.
- cooling elements are provided according to the invention. These cooling elements may be simple vents or climate elements that cool down the entire second chamber.
- the first and / or the second chamber may also subject the explosive to be dried to adsorption. It modifies the surface of the fabric to optimize microwave drying and minimize the risk of the explosive igniting.
- the conveyor belt speed can be varied. This variation makes it possible to always achieve an optimal drying result. It is also possible to set the wavelength and / or the power of the magnetrons. By adjusting the wavelength, it is possible to ensure the optimum heat input specifically to a particular explosive, since different substances cause different heat generation by different wavelengths. By adjusting the power, it is possible to ensure a drying profile when, for example, when driving through the substance on the conveyor belt in the drying chamber, the power is regulated down or up according to the heat already obtained.
- ventilation in the drying chamber are assigned, which transports the air inside the drying chamber to the outside of the drying chamber.
- these vents may also have moisture filters when moisture is to be collected.
- Figure 1 is a schematic representation of the method according to the invention
- Figure 2 is a schematic representation of the device according to the invention.
- Figure 1 shows the explosive 4 to be dried, which contains a certain moisture 2, which is to be discharged by the drying process of the explosive 4.
- the explosive 4 is provided with a microwave radiation 1 which heats the explosive 4 and the moisture 2 contained therein. By this heating, the moisture 2 is discharged from the explosive 4, preferably by evaporation.
- the explosive 4 to be dried is arranged on a carrying device 5 and the microwave radiation 1 is applied from above onto the explosive 4 to be dried.
- the carrying device 5 can be designed to be reflective, so that the microwave radiation 1 first penetrates the explosive 4 to be dried, is reflected by the carrying device 5 and again penetrates the explosive 4 to be dried.
- the support device 5 permeable to radiation, so that not only micro-atmospheric radiation 1 strikes the explosive 4 to be dried from above, but also, for example, from below.
- the microwave radiation 1 first penetrates the carrying device 5 and then strikes the explosive 4 to be dried.
- the explosive 4 to be dried is heated and also the moisture 2 contained therein is heated. This heating is done so far that the moisture 2 is discharged from the explosive 4. This discharge preferably takes place upwards out of the explosive 4 and indeed in the discharge direction 3.
- FIG. 2 shows the corresponding device for drying explosive 4.
- FIG. 2 shows a drying chamber 13, as well as a first chamber 12 and a second chamber 16, which are upstream or downstream of the drying chamber 13.
- the carrying device 5 is in this case realized by a conveyor belt 11, which moves through in the transport direction 10 by the inventive device for drying explosive 4.
- the explosive 4 is first transported through the first chamber 12 by the conveyor belt 11.
- This first chamber 12 can be used to prepare the explosive 4 to be dried accordingly before it enters the drying chamber 3.
- the explosive 4 can be preheated, for example, by further magnetrons or by convection heat elements.
- the drying chamber 13 is equipped with at least one magnetron 14, which can apply microwave radiation 1 to the explosive 4 to be dried. Due to the microwave radiation 1, the explosive 4 to be dried is heated, and the heating causes the moisture 2 contained in the explosive 4 to be discharged from the explosive 4.
- the drying chamber 13 To monitor the optimal discharge of the moisture 2 from the explosive 4, it is proposed to equip the drying chamber 13 with at least one sensor 15 in order to be able to monitor the environment within the drying chamber 13. This sensor or the plurality of sensors can then monitor the temperature within the drying chamber 13 or the moisture 2 within the drying chamber 13. For monitoring the heat within the drying chamber 13, it is proposed to use at least one pyrometer as the sensor 15 to measure the temperature on the To limit heat radiation.
- This chamber can be used for post-processing of the explosive 4 to be dried.
- it may, for example, include cooling elements in order to cool the explosive 4 to be dried down to temperatures which permit further processing.
- at least one further adsorber could be provided, which again processes the surface of the explosive 4 to be dried for further use.
- the running speed of the conveyor belt 11 can be varied in this case in order to adapt the drying process and the residence time in the drying chamber 13 to the respective explosive 4 to be dried or the material thickness.
- the wavelength of the magnetron 14 can be varied in order to guarantee an adaptation to the explosive 4 to be dried.
- a ventilation is preferably provided which leads the air out of the drying chamber 13.
- This ventilation may optionally include a moisture filter if it is not desired that the moisture 2 should escape to the outside.
- the present invention is not limited to the aforementioned features, but further embodiments are conceivable.
- the drying chamber must be assigned corresponding sensors for field monitoring.
- the performance of the individual magnetrons over the way through the drying chamber to vary, so that a drying profile is formed.
- the max. necessary energy is exerted by the magnetron on the explosive to be dried and transported out then again lower energy.
- a continuous homogeneous field can be used to ensure a continuous drying process.
- a filling or dosing transport system can be used to ensure batch drying.
- a mixture of several explosives in a drying process can be dried.
Landscapes
- Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Molecular Biology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18702459.1A EP3577095B1 (de) | 2017-02-06 | 2018-01-25 | Verfahren und vorrichtung zur trocknung von explosivstoff |
PL18702459.1T PL3577095T3 (pl) | 2017-02-06 | 2018-01-25 | Sposób i urządzenie do suszenia materiału wybuchowego |
AU2018216777A AU2018216777B2 (en) | 2017-02-06 | 2018-01-25 | Method and device for drying an explosive |
KR1020197022652A KR20190109430A (ko) | 2017-02-06 | 2018-01-25 | 폭발물 건조 방법 및 장치 |
CA3044956A CA3044956C (en) | 2017-02-06 | 2018-01-25 | Method and device for drying an explosive |
US16/533,337 US11293692B2 (en) | 2017-02-06 | 2019-08-06 | Method and device for drying an explosive |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017102271.6 | 2017-02-06 | ||
DE102017102271.6A DE102017102271B4 (de) | 2017-02-06 | 2017-02-06 | Verfahren und Vorrichtung zur Trocknung von Explosivstoff |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/533,337 Continuation US11293692B2 (en) | 2017-02-06 | 2019-08-06 | Method and device for drying an explosive |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018141630A1 true WO2018141630A1 (de) | 2018-08-09 |
Family
ID=61132418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2018/051857 WO2018141630A1 (de) | 2017-02-06 | 2018-01-25 | Verfahren und vorrichtung zur trocknung von explosivstoff |
Country Status (8)
Country | Link |
---|---|
US (1) | US11293692B2 (de) |
EP (1) | EP3577095B1 (de) |
KR (1) | KR20190109430A (de) |
AU (1) | AU2018216777B2 (de) |
CA (1) | CA3044956C (de) |
DE (1) | DE102017102271B4 (de) |
PL (1) | PL3577095T3 (de) |
WO (1) | WO2018141630A1 (de) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1113889B (de) * | 1959-04-06 | 1961-09-14 | Hirtenberger Patronen | Verfahren zum Trocknen und Sieben von gegen elektrostatische Aufladungen hochempfindlichen sowie reibungsempfindlichen Sprengstoffen |
US4104804A (en) * | 1974-04-18 | 1978-08-08 | Sargeant Ralph G | Method for drying explosive materials |
DE3238648C1 (de) | 1982-10-19 | 1984-02-09 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zum Mischen und Trocknen von fließfähigen festen Explosivstoffen |
DE3623511A1 (de) * | 1986-07-11 | 1988-01-21 | Max Wagner | Verfahren und vorrichtung zum trocknen von keramischen hohlkoerpern |
US4758287A (en) * | 1987-06-15 | 1988-07-19 | Talley Industries, Inc. | Porous propellant grain and method of making same |
CN101221009A (zh) * | 2008-01-25 | 2008-07-16 | 中北大学 | 利用微波干燥炸药的方法 |
EP1992675A1 (de) * | 2007-05-10 | 2008-11-19 | BAUER Maschinen GmbH | Brennstoffkomponente für einen Explosivstoff sowie Verfahren zu dessen Herstellung |
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US3478900A (en) * | 1966-11-28 | 1969-11-18 | Cryodry Corp | Apparatus for treating food products and the like with microwave energy |
US4045639A (en) * | 1973-01-16 | 1977-08-30 | Food Processing Systems Corporation | Continuous microwave and vacuum dryer |
US4103431A (en) * | 1975-04-28 | 1978-08-01 | Levinson Melvin L | Microwave drying |
US4330946A (en) * | 1980-09-23 | 1982-05-25 | Ralph S. Tillitt | High efficiency material drying |
DE3509215A1 (de) | 1985-03-14 | 1986-09-18 | EL-A Verfahrenstechnik GmbH, 8000 München | Vorrichtung zur kombinierten mechanisch-thermischen trennung von fest - fluessig - gemischen mittels elektromagnetischer hochfrequenz |
GB8820005D0 (en) | 1988-08-23 | 1988-09-21 | D & C Ltd | Filtration apparatus with integral microwave drying |
IL99226A (en) * | 1990-08-24 | 1994-11-28 | Hachima Hiroki | Method and device for removing body secretions |
IT1316197B1 (it) * | 2000-06-14 | 2003-04-03 | Turatti Srl | Apparecchio per la asciugatura in continuo di verdure, in particolareverdure in foglie. |
KR101194012B1 (ko) | 2006-02-17 | 2012-10-24 | 이영희 | 건조장치 |
WO2007108076A1 (ja) | 2006-03-17 | 2007-09-27 | Ibiden Co., Ltd. | 乾燥装置、セラミック成形体の乾燥方法及びハニカム構造体の製造方法 |
CN101358803B (zh) * | 2008-07-21 | 2011-11-23 | 天水华圆制药设备科技有限责任公司 | 防爆箱式真空微波干燥机 |
CN201382658Y (zh) * | 2008-07-21 | 2010-01-13 | 天水华圆制药设备科技有限责任公司 | 防爆箱式真空微波干燥机 |
CZ307332B6 (cs) | 2009-11-12 | 2018-06-13 | VĂšTS, a.s. | Mikrovlnná sušárna plošných útvarů, zejména textilií a papíru |
US20110179701A1 (en) * | 2010-01-27 | 2011-07-28 | G-Energy Technologies, Llc | Torrefaction of ligno-cellulosic biomasses and mixtures |
EP2920533B1 (de) * | 2012-11-16 | 2018-06-20 | NuWave Research Inc. | Vorrichtung und verfahren zur entwässerung mittels mikrowellenstrahlung |
CN103923670B (zh) | 2014-04-17 | 2016-04-20 | 杰瑞能源服务有限公司 | 油田废弃物的工业处理方法及其装置 |
US10578359B2 (en) * | 2014-06-11 | 2020-03-03 | Enwave Corporation | Microwave vacuum-drying of organic materials |
CN106277728A (zh) * | 2015-05-15 | 2017-01-04 | 戴长虹 | 钢化真空玻璃的连续式工业化生产炉 |
CN205482180U (zh) * | 2016-01-20 | 2016-08-17 | 上海京海(安徽)化工有限公司 | 一种循环吸附式防爆干燥装置 |
-
2017
- 2017-02-06 DE DE102017102271.6A patent/DE102017102271B4/de active Active
-
2018
- 2018-01-25 KR KR1020197022652A patent/KR20190109430A/ko not_active Application Discontinuation
- 2018-01-25 EP EP18702459.1A patent/EP3577095B1/de active Active
- 2018-01-25 WO PCT/EP2018/051857 patent/WO2018141630A1/de active Application Filing
- 2018-01-25 AU AU2018216777A patent/AU2018216777B2/en active Active
- 2018-01-25 PL PL18702459.1T patent/PL3577095T3/pl unknown
- 2018-01-25 CA CA3044956A patent/CA3044956C/en active Active
-
2019
- 2019-08-06 US US16/533,337 patent/US11293692B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1113889B (de) * | 1959-04-06 | 1961-09-14 | Hirtenberger Patronen | Verfahren zum Trocknen und Sieben von gegen elektrostatische Aufladungen hochempfindlichen sowie reibungsempfindlichen Sprengstoffen |
US4104804A (en) * | 1974-04-18 | 1978-08-08 | Sargeant Ralph G | Method for drying explosive materials |
DE3238648C1 (de) | 1982-10-19 | 1984-02-09 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zum Mischen und Trocknen von fließfähigen festen Explosivstoffen |
DE3623511A1 (de) * | 1986-07-11 | 1988-01-21 | Max Wagner | Verfahren und vorrichtung zum trocknen von keramischen hohlkoerpern |
US4758287A (en) * | 1987-06-15 | 1988-07-19 | Talley Industries, Inc. | Porous propellant grain and method of making same |
EP1992675A1 (de) * | 2007-05-10 | 2008-11-19 | BAUER Maschinen GmbH | Brennstoffkomponente für einen Explosivstoff sowie Verfahren zu dessen Herstellung |
CN101221009A (zh) * | 2008-01-25 | 2008-07-16 | 中北大学 | 利用微波干燥炸药的方法 |
Also Published As
Publication number | Publication date |
---|---|
CA3044956A1 (en) | 2018-08-09 |
DE102017102271A1 (de) | 2018-08-09 |
AU2018216777A1 (en) | 2019-06-27 |
CA3044956C (en) | 2023-01-24 |
US11293692B2 (en) | 2022-04-05 |
AU2018216777B2 (en) | 2020-12-10 |
DE102017102271B4 (de) | 2021-08-12 |
US20200141643A1 (en) | 2020-05-07 |
PL3577095T3 (pl) | 2022-08-16 |
EP3577095B1 (de) | 2022-05-25 |
EP3577095A1 (de) | 2019-12-11 |
KR20190109430A (ko) | 2019-09-25 |
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