CN105546949A - Dryer for firework pearls and sulfur-free propellant powder - Google Patents
Dryer for firework pearls and sulfur-free propellant powder Download PDFInfo
- Publication number
- CN105546949A CN105546949A CN201610081345.3A CN201610081345A CN105546949A CN 105546949 A CN105546949 A CN 105546949A CN 201610081345 A CN201610081345 A CN 201610081345A CN 105546949 A CN105546949 A CN 105546949A
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- Prior art keywords
- machine
- alcohol
- cooling
- dryer
- exhaust pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
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- 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
- C06B21/0033—Shaping the mixture
- C06B21/0066—Shaping the mixture by granulation, e.g. flaking
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
-
- 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
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
- F26B25/006—Separating volatiles, e.g. recovering solvents from dryer exhaust gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/08—Granular materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides a dryer for firework pearls and sulfur-free propellant powder. The dryer comprises a drying module and an alcohol recycling module which are connected through a vacuum exhaust pipe. The drying module comprises an external insulation machine and an internal radiator installed inside the external insulation machine. A steam or hot water heat supply pipeline is installed inside a gap between the external insulation machine and the internal radiator. A plurality of layers of supporting frames for containing objects to be dried are arranged inside the internal radiator. An insurance automatic door is installed on the external insulation machine of the dryer. The alcohol recycling module comprises an alcohol recycling machine cooling water tank and a plurality of cooling vent pipes perpendicular to a horizontal line and arranged inside the alcohol recycling machine cooling water tank. The lower ends of the cooling vent pipes are communicated with an alcohol recycling chamber with no cold water. By adopting the vacuum dehumidification mode, materials are safely dried under the low-humidity environment, time is prolonged by 4-20 times compared with an existing drying mode, energy consumption is lowered by 4-20 times compared with the prior art, and the dryer is worthy of popularization.
Description
Technical field
The present invention relates to the making field of firework raw material, especially, relate to a kind of for firework bright bead and the dryer without sulphur propellant powder, recyclable alcohol.
Background technology
At present, firework bright bead with after alcohol granulation, have to pass through oven dry without sulphur propellant powder, could use.But steam or air-source heating to be used in the process of drying, need to adopt large-area baking room could meet the demand of manufacturer fully., there is too many defect in the drying mode of this traditional baking room formula.
Defect one: during oven dry, can only utilize blower fan dehumidifier, and the temperature in baking room must remain on more than 60 degrees Celsius, and the time reaching 12 ~ 20 hours need be spent to dry completely.The time length of not only drying, weak effect, power consumption are large, and the alcohol evaporated in drying course also cannot be recycled, and can only waste.
Defect two: alcohol is the saturated monohydroxy alcohol with a hydroxyl, be a kind of inflammable, volatile colourless transparent liquid under normal temperature, normal pressure, be then gas more than 78.5 DEG C; Along with the natural flow of air, under the alcohol of the discharge high temperature in baking room, become gas, careless slightlyly just may cause a series of security incident.Current drying course is all by manually carrying out charging and discharging, and this kind of situation is very dangerous.
Summary of the invention
The object of the invention is to provide a kind of for firework bright bead and the dryer without sulphur propellant powder, recyclable alcohol, to solve bright pearl and the irretrievable technical problem of alcohol gasified in drying course without sulphur propellant powder.
For achieving the above object, the invention provides a kind of for firework bright bead and the dryer without sulphur propellant powder, comprise the drying module and alcohol recycle module that are coupled together by vacuum exhaust pipe, vacuum exhaust pipe one end 21 connects Water-ring vacuum pump assembly 22, the other end connects the bottom of alcohol recycle module, arranges another section of vacuum exhaust pipe 6 between drying module and the top of alcohol recycle module;
Described drying module comprises Surgery therapy machine 1 and is arranged on the interior heat radiation machine 3 of Surgery therapy machine 1 inside;
In space between described Surgery therapy machine 1 and interior heat radiation machine 3, the steam or hot-water heating pipeline 2 that at least round in Warming machine 1 are outside installed; Steam or hot-water heating pipeline 2 one end connect the steam that is arranged on Surgery therapy machine 1 outer wall or hot water enters valve 13, and the other end connects the steam or hot water dump valve 14 that are arranged on Surgery therapy machine 1 outer wall;
Interior heat radiation machine 3 inside is provided with some layers and places firework bright bead to be dried and the bracing frame 5 without sulphur propellant powder; Insurance automatically-controlled door 18 is arranged on dryer Surgery therapy machine; Temperature in interior heat radiation machine 3 is 50-80 DEG C;
Described alcohol recycle module comprises alcohol recycle machine cooling water tank 7 and arranges the some perpendicular to horizontal cooling breather pipe 8 of alcohol recycle machine cooling water tank 7 inside, fills cold water in described alcohol recycle machine cooling water tank 7; The temperature of described cold water is 0-9 DEG C;
The upper end of described cooling breather pipe 8 communicates with vacuum exhaust pipe 6, and the lower end of cooling breather pipe 8 all communicates with not having the alcohol recycle room 10 of cold water; Water-ring vacuum pump assembly discharge capacity per minute be 0.5 cubic metre, vacuum exhaust pipe diameter be 60 millimeters time, the diameter summation of some cooling breather pipes 8 be the 198-201 of vacuum exhaust pipe 6 diameter doubly.
Preferably, at interior heat radiation machine 3 inwall top, the firework bright bead on microwave heating system 4 pairs of bracing frames is installed and heats without sulphur propellant powder.
Preferably, on interior heat radiation machine 3 inwall, intelligent temperature controller 16 is installed, on the outer wall of Warming machine 1 outside, intelligent protector 17 is installed.
Preferably, on the outer wall of Warming machine 1 outside, be provided with alcohol drain valve 20, alcohol drain valve 20 communicates with Surgery therapy machine 1 inside.
Preferably, support frame as described above is fixed material frame, or is moveable conveyer belt.
Preferably, helical form projection is provided with in described cooling breather pipe 8.
Preferably, the pitch of described helical form projection is 5-8 millimeter.
Preferably, along the direction from cooling water tank central point edge towards periphery, the diameter of described cooling breather pipe 8 increases gradually.
Preferably, along the airflow direction of vacuum exhaust pipe, the diameter of described cooling breather pipe 8 increases gradually.
The present invention has following beneficial effect:
Drying plant of the present invention overcomes the many disadvantages of prior art.
The first, adopt the mode of vacuum dehumidifying, the steam evaporated in drying course is taken away by vacuum machine within the very first time, and material safety under the environment that humidity is lower is dried, and not only drying efficiency is high, and safety coefficient is high.
The second, the temperature of oven dry only need remain on 50-80 degree Celsius and just can reach good drying effect, and according to heating using microwave unit, drying time only needs one hour.Steam or hot water heating unit, drying time also only needs 4 ~ 5 hours, compares saved time cost greatly with drying mode in the past.
3rd, the alcohol gas evaporated in drying materials process, more than 80% can reclaim secondary by alcohol recycle unit utilizes, and greatly saves cost of material.
4th, inside can be selected in cooling to be provided with the cooling breather pipe of helical form projection, or select diameter to have the cooling breather pipe array of certain rule change, as from cooling water tank (cooling molten pool) the central point cooling breather pipe diameter that increases gradually of edge direction towards periphery, or along the cooling breather pipe diameter that the airflow direction of vacuum exhaust pipe increases gradually; All can extend the holdup time of hot-air in cooling breather pipe with gaseous state alcohol to a certain extent, thus strengthen alcohol recycle rate further.
5th, in cooling, adopt bidirectional automatic door.When left and right door is opened, material frame and conveyer belt are in Fully ventilation position, and cooling velocity is fast, and artificial and machinery can obtain safe operating environment at short notice.
6th, compare with large area baking room in the past, occupation area of equipment is little, can save the space of factory building, increases more equipment, improves the efficiency of work.
This equipment improves 4 ~ 20 times than existing drying mode in time, and energy resource consumption aspect also reduces 4 ~ 20 times than usual.The most important thing is to adopt the mode of vacuum dehumidifying, reach safe, effective, energy-conservation, production operation easily, be worth promoting.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the preferred embodiment of the present invention;
Fig. 2 is the cooling molten pool structural section schematic diagram of the embodiment of the present invention 8;
Fig. 3 is the cooling molten pool structural section schematic diagram of the embodiment of the present invention 9;
Wherein, 1, Surgery therapy machine, 2, steam or hot-water heating pipeline, 3, interior heat radiation machine, 4, microwave heating system, 5, bracing frame, 6, vacuum exhaust pipe, 7, alcohol recycle machine cooling water tank, 8, cooling breather pipe, 9, cool molten pool, 10, alcohol recycle room, 11, alcohol recycle machine under-chassis, 12, recovered alcohol valve, 13, steam or hot water enter valve, 14, steam or hot water dump valve, 15, air bleeder valve, 16, intelligent temperature controller, 17, intelligence protector, 18, insurance automatically-controlled door, 19, automatically-controlled door jettron device, 20, alcohol drain valve, 21, vacuum exhaust pipe one end, 22, Water-ring vacuum pump assembly.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can limit according to claim and cover is implemented.
See Fig. 1, a kind of for firework bright bead and the dryer without sulphur propellant powder, comprise the drying module and alcohol recycle module that are coupled together by vacuum exhaust pipe, vacuum exhaust pipe one end 21 connects Water-ring vacuum pump assembly 22, the other end connects the bottom of alcohol recycle module, arranges another section of vacuum exhaust pipe between drying module and the top of alcohol recycle module.After starting Water-ring vacuum pump assembly, then by drying module, the hot-air that carries alcohol gas extracts in alcohol recycle module gradually, after alcohol recycle module cools, the alcohol in air is condensed into liquid again naturally, is deposited in alcohol recycle module.
Described drying module comprises Surgery therapy machine 1 and is arranged on the interior heat radiation machine 3 of Surgery therapy machine 1 inside; Inside and outside two-layer casing, reduces heat loss, extends heat insulation effect.
In space between described Surgery therapy machine 1 and interior heat radiation machine 3, the steam or hot-water heating pipeline 2 that at least round in Warming machine 1 are outside installed; Steam or hot-water heating pipeline 2 one end connect the steam that is arranged on Surgery therapy machine 1 outer wall or hot water enters valve 13, and the other end connects the steam or hot water dump valve 14 that are arranged on Surgery therapy machine 1 outer wall.Then steam or hot water enter valve 13 from steam or hot water and enter Surgery therapy machine 1, at least round in Warming machine 1 outside, carry out heat exchange with the hot-air in Surgery therapy machine 1, make the temperature in dryer in heat radiation machine 3 reach about 50-80 DEG C, then leave from steam or hot water dump valve 14.On interior heat radiation machine 3 inwall, can be provided with intelligent temperature controller 16, intelligent temperature controller 16 can regulate the air themperature in interior heat radiation machine 3, reaches and dries firework bright bead and the object without sulphur propellant powder.
Interior heat radiation machine 3 inside is provided with some layers and places firework bright bead to be dried and the bracing frame 5 without sulphur propellant powder, and automatic or manual method can be taked to carry out firework bright bead and the input and output material without sulphur propellant powder.Support frame as described above is fixed material frame, or is moveable conveyer belt.Certainly, heat time conveyer belt be also static, but before heating after, conveyer belt can move, and carries out evolution, thus reach the object of automatic feed/discharge with the firework bright bead on conveyer belt with without sulphur propellant powder.
Insurance automatically-controlled door 18 is arranged on dryer Surgery therapy machine 1.Firework bright bead or without after the flash baking of sulphur propellant powder, the automatically-controlled door jettron device 19 be arranged on Surgery therapy machine 1 outer wall can be opened insurance automatically-controlled door 18, makes material automatically cool rear employment or machinery takes out.Insurance automatically-controlled door 18 can be bidirectional automatic door, and when left and right door is opened, material frame and conveyer belt are in Fully ventilation position, and cooling velocity is fast.
Described alcohol recycle module comprises alcohol recycle machine cooling water tank 7 and arranges the some perpendicular to horizontal cooling breather pipe 8 of alcohol recycle machine cooling water tank 7 inside, the molten pool 9 of cooling for filling cold water (temperature is at 0-9 DEG C) in described alcohol recycle machine cooling water tank 7, the hot-air cooling breather pipe 8 is cooled fast, and the alcohol gas in hot-air then condenses naturally.
The upper end of described cooling breather pipe 8 communicates with vacuum exhaust pipe 6, and the lower end of cooling breather pipe 8 all communicates with not having the alcohol recycle room 10 of cold water.Alcohol recycle machine under-chassis 11 is connected with alcohol recycle machine water tank 7, supports alcohol recycle machine water tank.
Under the pressure of vacuum drawn, gas flow rates can be too fast; And when gas is quickly through cooling breather pipe 8, gas temperature can not be dropped rapidly to 0-9 DEG C at gas by during cooling breather pipe, then can affect the liquefaction efficiency of alcohol.Therefore, the diameter summation of cooling breather pipe is 198-201 times of air inlet, and be the single tube Slow cooling of 20 meters through pipe range containing spirituous gas, gaseous state alcohol is converted into rapidly callable liquid alcohol.
In addition, at interior heat radiation machine 3 inwall top, the bright pearl on microwave heating system 4 pairs of material frames can be installed and dry without sulphur propellant powder, strengthening heating effect, improving firing rate.Microwave heating system 4 can use with steam or hot water heating mode simultaneously, also can be used alone microwave heating.
On the outer wall of Warming machine 1 outside, intelligent protector 17 is installed.In the process of drying, if any generation abnormal conditions, can be controlled by intelligent temperature controller 16 and intelligent protector 17.Such as, intelligent temperature controller 16 detect dry built-in temperature higher than set temperature 10 time, intelligent protector 17 can automatically be opened automatically-controlled door and dispel the heat, and stops the work of other heater blocks.
On the outer wall of Warming machine 1 outside, be provided with air bleeder valve 15, air bleeder valve 15 communicates with Surgery therapy machine 1 inside, the residual air in discharge Surgery therapy machine 1 and interior heat radiation machine 3.
On the outer wall of Warming machine 1 outside, be provided with alcohol drain valve 20, alcohol drain valve 20 communicates with Surgery therapy machine 1 inside.Because in the process of vacuum drawn, still have a small amount of alcohol gas can remain in drying module, after falling at temperature, this part alcohol liquid can be dripped along Surgery therapy machine 1 inwall, discharges from the alcohol drain valve 20 of bottom.
In described alcohol recycle room 10, funnel shaped recovered alcohol valve 12 is installed, the alcohol liquid of dripping can be concentrated fast along the gradient of recovered alcohol valve.
Design parameter and the alcohol recycle rate of each specific embodiment please see the following form.
Alcohol recycle rate refers to the ratio finally reclaiming the Alcohol by weight obtained and the alcohol liquid weight used during granulation in alcohol recycle room.
As seen from the above table, when the multiple of the cooling diameter summation of breather pipe and vacuum exhaust pipe diameter is between 198-201, alcohol recycle rate reaches 80.4-81.1%, and higher than the situation of multiple when 197 and 202, effect is more excellent.Reason may be: when multiple is between 198-201, reaches a dynamic equilibrium, make alcohol recycle rate occur crest value between the diffusion area that the diffusion velocity of hot-air and cooling breather pipe can provide.
Wherein, in the cooling breather pipe that embodiment 5-7 uses, be provided with helical form projection, hinder the decline of hot-air, extend the holdup time of hot-air in cooling breather pipe with gaseous state alcohol, thus strengthen alcohol recycle rate further.The pitch (axial distances on screw thread between adjacent two projection corresponding points) of helical form projection is 5-8 millimeter.
See Fig. 2 and Fig. 3, the diameter of some cooling breather pipes of embodiment 8-9 has certain rule change.See Fig. 2, embodiment 8 each cooling breather pipe diameter, from cooling water tank (cooling molten pool) central point towards periphery edge direction increase gradually; Such as, the diameter of each cooling breather pipe increases gradually with the ratio of 1.2, then when the cooling breather pipe diameter of innermost circle is 1, adjacent cooling breather pipe diameter is then 1.2, and the cooling breather pipe diameter of outer one deck be then 1.2*1.2 times, so analogizes.
See Fig. 3, the diameter of each cooling breather pipe of embodiment 9, the airflow direction along vacuum exhaust pipe increases gradually.Under the change of this rule, the alcohol recycle rate of embodiment 8 and embodiment 9 also obtains good effect.Such as, each cooling breather pipe diameter with 1.2 ratio increase gradually, when air flows from left to right, when then the cooling breather pipe diameter of the leftmost side is 1, adjacent cooling breather pipe diameter is then 1.2, and the cooling breather pipe diameter of righter one deck is then 1.2*1.2 times, so analogizes.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. one kind for firework bright bead and the dryer without sulphur propellant powder, it is characterized in that, comprise the drying module and alcohol recycle module that are coupled together by vacuum exhaust pipe, vacuum exhaust pipe one end (21) connects Water-ring vacuum pump assembly (22), the other end connects the bottom of alcohol recycle module, arranges another section of vacuum exhaust pipe (6) between drying module and the top of alcohol recycle module;
Described drying module comprises Surgery therapy machine (1) and is arranged on the inner interior heat radiation machine (3) of Surgery therapy machine (1);
In space between described Surgery therapy machine (1) and interior heat radiation machine (3), the steam or hot-water heating pipeline (2) that at least round in Warming machine (1) are outside installed; Steam or hot-water heating pipeline (2) one end connect the steam that is arranged on Surgery therapy machine (1) outer wall or hot water enters valve (13), and the other end connects the steam or hot water dump valve (14) that are arranged on Surgery therapy machine (1) outer wall;
Interior heat radiation machine (3) inside is provided with some layers and places firework bright bead to be dried and the bracing frame (5) without sulphur propellant powder; Insurance automatically-controlled door (18) is arranged on dryer Surgery therapy machine; Temperature in interior heat radiation machine (3) is 50-80 DEG C;
Described alcohol recycle module comprises alcohol recycle machine cooling water tank (7) and arranges the some perpendicular to horizontal cooling breather pipe (8) of alcohol recycle machine cooling water tank (7) inside, fills cold water in described alcohol recycle machine cooling water tank (7); The temperature of described cold water is 0-9 DEG C;
The upper end of described cooling breather pipe (8) communicates with vacuum exhaust pipe (6), and the lower end of cooling breather pipe (8) all communicates with not having the alcohol recycle room (10) of cold water; Water-ring vacuum pump assembly discharge capacity per minute be 0.5 cubic metre, vacuum exhaust pipe diameter be 60 millimeters time, the diameter summation of some cooling breather pipes (8) be the 198-201 of vacuum exhaust pipe (6) diameter doubly.
2. dryer according to claim 1, is characterized in that, at interior heat radiation machine (3) inwall top, is provided with microwave heating system (4) and heats to the firework bright bead on bracing frame with without sulphur propellant powder.
3. dryer according to claim 1, it is characterized in that, on interior heat radiation machine (3) inwall, intelligent temperature controller (16) is installed, on the outer wall of Warming machine (1) outside, intelligent protector (17) is installed.
4. dryer according to claim 1, is characterized in that, on the outer wall of Warming machine (1) outside, be provided with alcohol drain valve (20), alcohol drain valve (20) communicates with Surgery therapy machine (1) inside.
5. dryer according to claim 1, is characterized in that, support frame as described above is fixed material frame, or is moveable conveyer belt.
6. the dryer according to any one of claim 1 to 5, is characterized in that, is provided with helical form projection in described cooling breather pipe (8).
7. dryer according to claim 6, is characterized in that, the pitch of described helical form projection is 5-8 millimeter.
8. the dryer according to any one of claim 1 to 5, is characterized in that, along the direction from cooling water tank central point edge towards periphery, the diameter of described cooling breather pipe (8) increases gradually.
9. the dryer according to any one of claim 1 to 5, is characterized in that, along the airflow direction of vacuum exhaust pipe, the diameter of described cooling breather pipe (8) increases gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610081345.3A CN105546949B (en) | 2016-02-04 | 2016-02-04 | It is a kind of to be used for firework bright bead and the dryer without sulphur propellant powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610081345.3A CN105546949B (en) | 2016-02-04 | 2016-02-04 | It is a kind of to be used for firework bright bead and the dryer without sulphur propellant powder |
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| Publication Number | Publication Date |
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| CN105546949A true CN105546949A (en) | 2016-05-04 |
| CN105546949B CN105546949B (en) | 2018-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610081345.3A Active CN105546949B (en) | 2016-02-04 | 2016-02-04 | It is a kind of to be used for firework bright bead and the dryer without sulphur propellant powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091841A (en) * | 2016-08-09 | 2016-11-09 | 刘鹏 | A kind of firework powder vacuum drying system and technique |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5606804A (en) * | 1995-10-23 | 1997-03-04 | Electric Power Research Institute | Microwave clothes dryer and method with hazard detection |
| JP2010175092A (en) * | 2009-01-27 | 2010-08-12 | Olympus Corp | Method and device of drying |
| CN204494985U (en) * | 2015-02-28 | 2015-07-22 | 许响 | A kind of explosion-proof baking oven for alcohol dampening agent in eliminating particle medicament |
| CN205373295U (en) * | 2016-02-04 | 2016-07-06 | 浏阳市鸿安机械制造有限公司 | A drying -machine that is used for fireworks bright bead and no sulphur propellant powder |
-
2016
- 2016-02-04 CN CN201610081345.3A patent/CN105546949B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5606804A (en) * | 1995-10-23 | 1997-03-04 | Electric Power Research Institute | Microwave clothes dryer and method with hazard detection |
| JP2010175092A (en) * | 2009-01-27 | 2010-08-12 | Olympus Corp | Method and device of drying |
| CN204494985U (en) * | 2015-02-28 | 2015-07-22 | 许响 | A kind of explosion-proof baking oven for alcohol dampening agent in eliminating particle medicament |
| CN205373295U (en) * | 2016-02-04 | 2016-07-06 | 浏阳市鸿安机械制造有限公司 | A drying -machine that is used for fireworks bright bead and no sulphur propellant powder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091841A (en) * | 2016-08-09 | 2016-11-09 | 刘鹏 | A kind of firework powder vacuum drying system and technique |
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| CN105546949B (en) | 2018-02-02 |
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