CN103954096A - Working method of drying system - Google Patents
Working method of drying system Download PDFInfo
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- CN103954096A CN103954096A CN201410144879.7A CN201410144879A CN103954096A CN 103954096 A CN103954096 A CN 103954096A CN 201410144879 A CN201410144879 A CN 201410144879A CN 103954096 A CN103954096 A CN 103954096A
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Abstract
The invention relates to a drying system which is suitable for closed cycle of inert gases, solvent recovery and spray pelletization. The drying system comprises a fluidized drying main engine, wherein the fluidized drying main engine comprises an upper barrel, a boiling chamber and a lower barrel which are vertically and hermetically connected in sequence. The bottom of the boiling chamber is provided with a bed board; the bed board is formed by two board bodies; adjacent edges of the two board bodies are respectively fixed on a rotating shaft and a shaft sleeve which are sleeved with one another. The end parts, which extend out of the boiling chamber, of the rotating shaft and the shaft sleeve are respectively connected with a pneumatic, hydraulic or electric driving mechanism which drives the rotating shaft and the shaft sleeve to rotate. The bed board adopted by the invention is applicable to automatic material discharging, the sealing effect is good, the working intensity is low, the production efficiency is high, and the operation is convenient. A cloth bag is sealed by an air bag, by combining with cylinder jitter technology, the cloth bag is suitable for recycling fine particle materials. A heat exchanger is suitable for making good use of hot water and flash steam generated by sufficient superheated water of 130 DEG C to preheat a gas to be heated, so the utilization efficiency of heat energy is greatly improved.
Description
The application divides an application, the application number of original application: 201210099553.8, the applying date: 2012-04-06, invention and created name < < closed cycle, solvent reclaim and spraying granulation drying system and method for work > > thereof.
Technical field
The present invention relates to the technical field of drying equipment, specifically a kind of method of work that is suitable for realizing inert gas closed cycle, solvent recovery and spraying granulation drying system.
Background technology
Chinese patent literature CN101776372A discloses a kind of nitrogen closed cycle drying and solvent recovering system, has fluid bed dryer, condensing unit, solid-gas separator, circulating fan, heat exchanger, solvent recovery tank and nitrogen for pipe; The exhaust outlet of fluid bed dryer is connected with the air inlet of described condensing unit by pipeline, the air outlet of condensing unit is connected with described solid-gas separator, the air outlet of solid-gas separator is connected with described circulating fan, the wind of circulating fan output is delivered to described heat exchanger heating, and the nitrogen after heating is delivered in drying machine; The solvent collection mouth of described condensing unit is connected with solvent recovery tank, and described condensing unit and solvent recovery tank provide cooling medium by cooling fluid for pipe; The charging aperture of described fluid bed dryer is provided with material envelope type screw feeder.It has realized the fluidized drying of continuous charging and discharging and the recovery of organic solvent, without waste gas discharge of wastewater.
Chinese patent literature ZL200820041009.7 discloses a kind of closed cycle fluidized dryer, and it is the solvent in recovered material effectively, and can in system, be filled with inert gas, and makes its closed cycle.But the production process of its main frame is step, often a dry batch materials just must be pulled out discharging by hopper, not only wastes time and energy, and in discharge process, can cause the leakage of inert gas.
For realizing continuous production, Chinese patent literature CN102022895A discloses a kind of main machine of closed cycle boiling dryer, comprises hopper and orifice plate or the sintering web plate of making convertible structure, and orifice plate or sintering web plate are horizontally set at feed hopper bottom.Described convertible structure comprises: the rotating shaft being fixedly linked with orifice plate or sintering web plate, be located at the external handwheel for controlling of main barrel, the part that rotating shaft passes main frame cylindrical shell coordinates with the rotary seal of main frame cylindrical shell.
The weak point of above-mentioned existing main machine of closed cycle boiling dryer is: the upset of orifice plate or sintering web plate, need manually by handwheel, to control, and waste time and energy.Orifice plate or sintering web plate when level, cannot guarantee the sealing at its edge, cause marginal existence to leak out, leak material, affect fluidized drying effect; Even if the surrounding at orifice plate or sintering web plate arranges sealing ring, because handwheel cannot provide lasting tensile force, it still cannot keep sealing.
How by a kind of, being suitable for that automatic continuous production, closed cycle solvent that reliability is higher reclaim, spraying granulation drying system, is the technical barrier of this area.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of simple in structure, be suitable for automatic continuous production, closed cycle that reliability is higher, solvent and reclaim and spraying granulation drying system.
For solving the problems of the technologies described above, closed cycle provided by the invention, solvent reclaim and spraying granulation drying system, and it comprises fluidized drying main frame, and fluidized drying main frame comprises upper shell 1.1, boiling-house 1.2 and the lower shell 1.3 that upper-lower seal connects successively; Boiling-house 1.2 bottoms are provided with bed board, it is characterized in that: described bed board consists of two boards body 1.2.1, and the neighboring edge of this two boards body 1.2.1 is separately fixed at each other on sheathed rotating shaft 1.2.2 and axle sleeve 1.2.3; The end of extending boiling-house of this rotating shaft 1.2.2 and axle sleeve 1.2.3 with drive respectively that this rotating shaft 1.2.2 and axle sleeve 1.2.3 rotate pneumatic, surge or electric driving mechanism is connected.
The top at the neighboring edge place of described two boards body 1.2.1 is provided with crossbeam 1.2.8, the lower surface of this crossbeam 1.2.8 is provided with sealing strip 1.2.9, sealing bar 1.2.9 is suitable for, when the bottom port of described two boards body 1.2.1 sealing boiling-house 1.2, the neighboring edge of described two boards body 1.2.1 and described crossbeam 1.2.8 realization being sealed and matched; The bottom end face of boiling-house 1.2 is provided with sealing ring 1.2.0, described sealing ring 1.2.0 is suitable for making the described remaining edge of two boards body 1.2.1 and the bottom port of described boiling-house 1.2 to be sealed and matched, thereby ascending air is only passed through from forming orifice plate or the sintered meshwork of bed board, prevent part from leaking out and cause the distinguished and admirable inequality on bed board, and then causing uneven drying.
Embodiment as pneumatic drive mechanism, described pneumatic drive mechanism comprises the connecting rod 1.2.6 of the end of extending boiling-house of being fixed on described rotating shaft 1.2.2 and axle sleeve 1.2.3, and this is flexibly connected with the piston rod end of the first rotational lock cylinder 1.2.4, the second rotational lock cylinder 1.2.5 respectively the far-end of connecting rod 1.2.6; During work, first, second rotational lock cylinder is successively controlled its action by PLC, and then control successively alternately rotation of described rotating shaft 1.2.2 and axle sleeve 1.2.3, and corresponding plate body is successively alternately overturn downwards, so that the material on described bed board falls into described lower shell completely, and realize automatic continuous production, and then enhance productivity.
Described rotating shaft 1.2.2 and axle sleeve 1.2.3 bearing fit, described rotating shaft 1.2.2 and axle sleeve 1.2.3 form rotary seal with the auxiliary section of boiling-house wall body respectively and coordinate.
The bottom port of described boiling-house 1.2 is rounded, the semicircle 1.2.1 that described two boards body 1.2.1 is symmetric.
In described upper shell 1.1, the middle and upper part of contiguous this upper shell 1.1 is provided with central dividing plate 1.1.0, and a plurality of cloth bags 1.6 of distribution and this central dividing plate 1.1.0 both sides, bottom opening in each cloth bag of described central dividing plate 1.1.0 homonymy is fixed on a base fabric 1.6.0, on this base fabric 1.6.0, be distributed with the through hole 1.6.3 being connected with the bottom opening of described cloth bag 1.6 respectively, each base fabric 1.6.0 is separately fixed on the kidney-shaped ring 1.6.1 of the dividing plate 1.1.0 both sides that mediate, the surrounding of each kidney-shaped ring 1.6.1 is fixed with pressure bladder 1.6.2, each pressure bladder 1.6.2 after inflation is suitable for making between each kidney-shaped ring 1.6.1 and central dividing plate 1.1.0, and be sealed and matched between each kidney-shaped ring 1.6.1 and the inwall of described upper shell 1.1, so that the ascending air in upper shell 1.1 is only discharged by each cloth bag 1.6.
In the top of each cloth bag of described central dividing plate 1.1.0 homonymy, be located at a lift bag frame 1.6.4 upper, this lift bag frame 1.6.4 is connected with a locking cylinder 1.6.5
The bottom of contiguous described upper shell 1.1 is provided with spray gun 1.1.2, and the shower nozzle of this spray gun 1.1.2 is located at the bottom centre place of described upper shell 1.1.This spray gun 1.1.2 is connected with solvent carrier pipe with elevated pressure nitrogen tracheae.The wall body of contiguous described upper shell 1.1 bottoms be provided with a plurality of distribute up and down for the pilot hole 1.1.3 of described spray gun 1.1.2 is set, be used for the height in described boiling-house 1.2 according to material and select corresponding pilot hole, and the material end face in the vaporific feed liquid that the makes described spray gun 1.1.2 ejection described boiling-house 1.2 that is suitable for just covering, and prevent that feed liquid is bonded at the inwall of described boiling-house 1.2.
For ebuillition of heated is dry, with the heat exchanger 5 of gas, comprise: the heat exchange unit 5.1 that multilayer upper-lower seal connects and the preheating unit 5.2 that is sealedly attached to heat exchange unit 5.1 belows of bottom; This preheating unit 5.2 comprises the multilayer that upper-lower seal connects; The bottom air intake vent of the preheating unit 5.2 in the bottom is connected with the air outlet of described explosion-proof circulating fan 4, and the top outlet inlet of the heat exchange unit 5.1 of top layer is the hot-blast outlet of described heat exchanger 5.
The thermal medium entrance of each heat exchange unit 5.1 is connected with saturated steam carrier pipe, the thermal medium outlet of each heat exchange unit 5.1 is connected with the thermal medium entrance of each preheating unit 5.2 by after a steam trap 11, the thermal medium outlet output condensed water of each preheating unit 5.2, this condensed water is sent back to boiler, regenerates the described saturated steam that is not less than 130 ℃.
During use, the saturated steam of 130 ℃ is sent into each heat exchange unit 5.1 and the superheated water of exporting 130 ℃ after gas converting heat for fluidized drying, this superheated water of 130 ℃ generates flash steam after described steam trap 11, and be the vapour-liquid admixture of 100 ℃, and send into each preheating unit 5.2 heat exchange, for fluidized drying gas described in preheating; The gas being preheated successively heats through each heat exchange unit 5.1 again, finally reaches required temperature.
In the heat transfer process of each heat exchange unit 5.1, the saturated steam of 130 ℃ is emitted covert heat in the process that is condensed into 130 ℃ of water, makes the heat exchange coil in each heat exchange unit 5.1 remain at 130 ℃; And then make fluidized drying after successively heat exchange, substantially reach 120 ℃ with gas.
The superheated water of described 130 ℃ is sent into after described steam trap 11 to each preheating unit 5.2, with fluidized drying gas described in preheating, be beneficial to raising thermal energy conversion efficiency, with energy-conservation.
The technique effect that the present invention has: (1) closed cycle of the present invention, solvent reclaim and spraying granulation drying system, and the bed board of employing is suitable for automatic blanking, and sealing effectiveness is better, and working strength is low, and production efficiency is high, convenient operation.(2) cloth bag of the present invention adopts air sac sealing, in conjunction with cylinder dither technique, is suitable for fully reclaiming fine granular materials.(3) heat exchanger of the present invention is suitable for utilizing flash steam, the hot water preheating gas to be heated that the superheated water of abundant 130 ℃ generates, and has significantly improved utilization efficiency of heat energy.
Accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, below the specific embodiment by reference to the accompanying drawings of basis, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of drying system of the present invention;
Fig. 2 is the structural representation of boiling-house of the present invention;
Fig. 3 is the profile of the boiling-house in Fig. 2;
Fig. 4 is the partial enlarged drawing of the local I of described boiling-house;
Fig. 5 is the partial enlarged drawing of the local II of described boiling-house;
Fig. 6 is the top view of the boiling-house in Fig. 2;
Fig. 7 is the structural representation of each cloth bag in upper shell of the present invention;
Fig. 8 is the A-A profile of Fig. 7.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail:
As Fig. 1, the closed cycle of the present embodiment, solvent reclaim and spraying granulation drying system, and it comprises: fluidized drying main frame, fluidized drying main frame comprises upper shell 1.1, boiling-house 1.2 and the lower shell 1.3 that upper-lower seal connects successively.
The exhaust duct being connected on the top exhaust outlet of described upper shell 1.1 is connected with nitrogen filtering device 2, condensation and liquid-resisting device 3, explosion-proof circulating fan 4, heat exchanger 5 successively, and the hot-blast outlet of heat exchanger 5 is connected with the air intake vent of described lower shell 1.3.
Condensation and liquid-resisting device 3 are connected with solvent recovery tank 6, are provided with successively the first Pneumatic butterfly valve 8 and displacement blow-down pipe 10 with the entrance upstream of explosion-proof circulating fan 4, and displacement blow-down pipe is provided with the second Pneumatic butterfly valve 9; The entrance of explosion-proof circulating fan 4 is connected with nitrogen cylinder group 7.
Described lower shell 1.3 is turbination, and the bottom of this lower shell 1.3 is connected with a screening machine 1.5 through the Blowing stopper 1.4 for sealed discharging, for sieving out finished product and fine powder.
The bottom of contiguous described upper shell 1.1 is provided with the charging aperture 1.1.4 with seal valve, and this charging aperture 1.1.4 is connected with feeder, and the fine powder that described screening machine 1.5 sieves out is sent into this feeder.
Boiling-house 1.2 bottoms are provided with bed board, and described bed board consists of two boards body 1.2.1, and the neighboring edge of this two boards body 1.2.1 is separately fixed at each other on sheathed rotating shaft 1.2.2 and axle sleeve 1.2.3; The end of extending boiling-house of this rotating shaft 1.2.2 and axle sleeve 1.2.3 is fixed with respectively connecting rod 1.2.6, and this is flexibly connected with the piston rod end of the first rotational lock cylinder 1.2.4, the second rotational lock cylinder 1.2.5 respectively the far-end of connecting rod 1.2.6; During work, first, second rotational lock cylinder is successively controlled its action by PLC, and then control successively alternately rotation of described rotating shaft 1.2.2 and axle sleeve 1.2.3, and corresponding plate body is successively alternately overturn downwards, so that the material on described bed board falls into described lower shell completely, and realize automatic continuous production, and then enhance productivity.
The top at the neighboring edge place of described two boards body 1.2.1 is provided with crossbeam 1.2.8, the lower surface of this crossbeam 1.2.8 is provided with sealing strip 1.2.9, sealing bar 1.2.9 is suitable for, when the bottom port of described two boards body 1.2.1 sealing boiling-house 1.2, the neighboring edge of described two boards body 1.2.1 and described crossbeam 1.2.8 realization being sealed and matched; The bottom end face of boiling-house 1.2 is provided with sealing ring 1.2.0, described sealing ring 1.2.0 is suitable for making the described remaining edge of two boards body 1.2.1 and the bottom port of described boiling-house 1.2 to be sealed and matched, thereby ascending air is only passed through from forming orifice plate or the sintered meshwork of bed board, prevent local leakage material, leak out, and cause the distinguished and admirable inequality on bed board, and then cause uneven drying.
As preferred embodiment, sealing strip 1.2.9 comprises be arranged in parallel a pair of, and this be arranged in parallel with the edge of described two boards body 1.2.1 respectively to sealing strip 1.2.9.
When first, second rotational lock cylinder is controlled the bottom port of this two boards body 1.2.1 sealing boiling-house 1.2, the edge of described two boards body 1.2.1 is realized and being sealed and matched, ascending air is only passed through from forming orifice plate or the sintered meshwork of bed board, prevent part from leaking out and cause the distinguished and admirable inequality on bed board, and then causing uneven drying.
First, the second Pneumatic butterfly valve 8, 9 are controlled by described PLC, when the first Pneumatic butterfly valve 8 is closed, the second Pneumatic butterfly valve 9 is opened, and the nitrogen that nitrogen cylinder group 7 is exported is through explosion-proof circulating fan 4, send into successively heat exchanger 5, fluidized drying main frame, nitrogen filtering device 2, after condensation and liquid-resisting device 3, by described displacement blow-down pipe 10 by Bas Discharged, until PLC is while recording oxygen content lower than setting value by being located at the first oxygen sensor in described displacement blow-down pipe 10, PLC controls the second Pneumatic butterfly valve 9, nitrogen control valve 7.1 on the output pipe of nitrogen cylinder group 7 is closed, the first Pneumatic butterfly valve 8 is opened, can avoid so oxidizable material oxidized in granulation dry run.
The air outlet of explosion-proof circulating fan 4 is provided with the second oxygen sensor, in nitrogen closed cycle process, if when described PL C is recorded oxygen content and exceeded standard by described the second oxygen sensor, controls the first Pneumatic butterfly valve 8 and closes, and nitrogen control valve 7.1 is opened; Until PLC records oxygen content lower than when setting value by being located at described the first oxygen sensor, the nitrogen control valve 7.1 of controlling on the output pipe of the second Pneumatic butterfly valve 9, nitrogen cylinder group 7 is closed, and the first Pneumatic butterfly valve 8 is opened; Thereby recover nitrogen closed cycle.
In the top of each cloth bag of described central dividing plate 1.1.0 homonymy, be provided with shake cylinder 1.1.5, for controlling the alternately shake of cloth bag of described central dividing plate 1.1.0 both sides, the action of shake cylinder 1.1.5 is controlled by PLC.
Described upper shell 1.1 tops are connected with the two-way exhaust duct that is distributed in described central dividing plate 1.1.0 both sides, this two-way exhaust duct is connected with nitrogen filtering device 2 through collecting pipe, on described two-way exhaust duct, be respectively equipped with Pneumatic butterfly valve, when a described shake cylinder 1.1.5 starts to move, the described Pneumatic butterfly valve of homonymy is closed, to facilitate the fine grained on each cloth bag of shaking off corresponding side.
Form two semicircular plate body 1.2.1 of described bed board as rotary unloading bin gate, it comprises: upper and lower stacked seat shape net 1.2.10 and punched-plate 1.2.11, the edge of seat shape net 1.2.10 and punched-plate 1.2.11 is fixed in the stacked closed semicircular ring of a pair of upper and lower symmetry.Closed semicircular ring in below is connected on described rotating shaft 1.2.2 or axle sleeve 1.2.3 by a plurality of reinforcement 1.2.7.
The top of described bed board is provided with the rabbling mechanism 1.2.0 for refining, with homogeneous material, guarantees dry uniformity, and improves drying efficiency.
The middle part of contiguous described upper shell 1.1 is provided with a plurality of rupture pressure disc 1.1.1, to shift to an earlier date explosion when the superpressure, guarantees the security of whole system equipment.
Described electric driving mechanism preferred driven by servomotor mechanism or stepper motor driving mechanism.The structural principle of driving mechanism of surging is identical with pneumatic drive mechanism.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation that spirit of the present invention extended out or change still among protection scope of the present invention.
Claims (2)
1. a method of work for drying system, is characterized in that:
Described drying system comprises fluidized drying main frame, and fluidized drying main frame comprises upper shell, boiling-house and the lower shell that upper-lower seal connects successively; Boiling-house bottom is provided with bed board, it is characterized in that:
Described bed board consists of two boards body, and the neighboring edge of this two boards body is separately fixed in sheathed each other rotating shaft and axle sleeve; The end of extending boiling-house of this rotating shaft and axle sleeve with drive respectively that this rotating shaft and axle sleeve rotate pneumatic, surge or electric driving mechanism is connected;
The top at the neighboring edge place of described two boards body is provided with crossbeam, the lower surface of this crossbeam is provided with sealing strip, sealing bar is suitable for, when the bottom port of described two boards body sealing boiling-house, the neighboring edge of described two boards body and the realization of described crossbeam being sealed and matched; The bottom end face of boiling-house is provided with sealing ring, and described sealing ring is suitable for making the described remaining edge of two boards body and the bottom port of described boiling-house to be sealed and matched;
The bottom of described upper shell is provided with spray gun, and the shower nozzle of this spray gun is located at the bottom centre place of described upper shell; This spray gun is connected with solvent carrier pipe with elevated pressure nitrogen tracheae; The wall body of contiguous described upper shell bottom be provided with a plurality of distribute up and down for the pilot hole of described spray gun is set, be used for the height in described boiling-house according to material and select corresponding pilot hole, and the feed liquid that described spray gun is sprayed out is suitable for the material end face in the lucky described boiling-house covering;
Described pneumatic drive mechanism comprises the connecting rod of the end of extending boiling-house of being fixed on described rotating shaft and axle sleeve, and this is flexibly connected with the piston rod end of first, second rotational lock cylinder respectively the far-end of connecting rod;
The method of work of this drying system comprises: first, second rotational lock cylinder is successively controlled its action by PLC, and then control the successively alternately rotation of described rotating shaft and axle sleeve, and corresponding plate body is successively alternately overturn downwards, so that the material on described bed board falls into described lower shell completely, and realize automatic continuous production.
2. the method for work of drying system according to claim 1, is characterized in that: for ebuillition of heated is dry, with the heat exchanger of gas, comprise: the heat exchange unit that multilayer upper-lower seal connects and the preheating unit that is sealedly attached to the heat exchange unit below of bottom; This preheating unit comprises the multilayer that upper-lower seal connects; The bottom air intake vent of the preheating unit in the bottom is connected with the air outlet of an explosion-proof circulating fan;
The thermal medium entrance of each heat exchange unit is connected with saturated steam carrier pipe, the thermal medium outlet of each heat exchange unit is connected with the thermal medium entrance of each preheating unit by after a steam trap, the thermal medium outlet output condensed water of each preheating unit, this condensed water is sent back to boiler, regenerates the described saturated steam that is not less than 130 ℃.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210099553.8A CN102620527B (en) | 2012-04-06 | 2012-04-06 | Drying system capable of realizing closed cycle, solvent recovery and atomizing granulation and working method thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210099553.8A Division CN102620527B (en) | 2012-04-06 | 2012-04-06 | Drying system capable of realizing closed cycle, solvent recovery and atomizing granulation and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103954096A true CN103954096A (en) | 2014-07-30 |
| CN103954096B CN103954096B (en) | 2015-11-25 |
Family
ID=46560604
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410146923.8A Expired - Fee Related CN103954098B (en) | 2012-04-06 | 2012-04-06 | Closed cycle, solvent are reclaimed and the method for work of spraying granulation drying system |
| CN201410144879.7A Expired - Fee Related CN103954096B (en) | 2012-04-06 | 2012-04-06 | The method of work of drying system |
| CN201210099553.8A Active CN102620527B (en) | 2012-04-06 | 2012-04-06 | Drying system capable of realizing closed cycle, solvent recovery and atomizing granulation and working method thereof |
| CN201410146911.5A Expired - Fee Related CN103954097B (en) | 2012-04-06 | 2012-04-06 | A kind of method of work of drying system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410146923.8A Expired - Fee Related CN103954098B (en) | 2012-04-06 | 2012-04-06 | Closed cycle, solvent are reclaimed and the method for work of spraying granulation drying system |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210099553.8A Active CN102620527B (en) | 2012-04-06 | 2012-04-06 | Drying system capable of realizing closed cycle, solvent recovery and atomizing granulation and working method thereof |
| CN201410146911.5A Expired - Fee Related CN103954097B (en) | 2012-04-06 | 2012-04-06 | A kind of method of work of drying system |
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| CN (4) | CN103954098B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014063B (en) * | 2015-07-17 | 2017-03-29 | 中国兵器科学研究院宁波分院 | Suitable for the spray granulation plant of active powder |
| CN105674698A (en) * | 2016-03-28 | 2016-06-15 | 全越 | Highly-sealed dehumidification drying mechanism |
| CN106214807A (en) * | 2016-08-04 | 2016-12-14 | 余庆县黔龙民族药业有限责任公司 | The processing technique of Fructus Evodiae |
| US11492300B2 (en) | 2016-12-27 | 2022-11-08 | Sabic Global Technologies B.V. | Drying a coating using electromagnetic radiation or heating of drum |
| CN112556368B (en) * | 2020-12-07 | 2022-07-15 | 万川环境科技(广东)有限公司 | High-efficient drying equipment of quartz sand is used in optical lens piece production |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4601113A (en) * | 1985-04-26 | 1986-07-22 | Westinghouse Electric Corp. | Method and apparatus for fluidized steam drying of low-rank coals |
| JP2006095437A (en) * | 2004-09-29 | 2006-04-13 | Chuo Kakoki Kk | Vibration fluidizing device |
| CN201281534Y (en) * | 2008-07-10 | 2009-07-29 | 吕江强 | Closed cycle boiling and drying unit |
| CN101776372A (en) * | 2010-01-28 | 2010-07-14 | 常州市星干干燥设备有限公司 | Nitrogen closed cycle drying and solvent recovery system |
| CN102022895A (en) * | 2009-09-23 | 2011-04-20 | 吕江强 | Main machine of closed cycle boiling dryer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4670993A (en) * | 1984-08-16 | 1987-06-09 | E.C.C. America Inc. | Method for fluidizing fine kaolin particles |
| CN101195147A (en) * | 2006-12-05 | 2008-06-11 | 亨特尔(天津)科技开发有限公司 | Movable self-tipping type quantitative sand charging device |
-
2012
- 2012-04-06 CN CN201410146923.8A patent/CN103954098B/en not_active Expired - Fee Related
- 2012-04-06 CN CN201410144879.7A patent/CN103954096B/en not_active Expired - Fee Related
- 2012-04-06 CN CN201210099553.8A patent/CN102620527B/en active Active
- 2012-04-06 CN CN201410146911.5A patent/CN103954097B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4601113A (en) * | 1985-04-26 | 1986-07-22 | Westinghouse Electric Corp. | Method and apparatus for fluidized steam drying of low-rank coals |
| JP2006095437A (en) * | 2004-09-29 | 2006-04-13 | Chuo Kakoki Kk | Vibration fluidizing device |
| CN201281534Y (en) * | 2008-07-10 | 2009-07-29 | 吕江强 | Closed cycle boiling and drying unit |
| CN102022895A (en) * | 2009-09-23 | 2011-04-20 | 吕江强 | Main machine of closed cycle boiling dryer |
| CN101776372A (en) * | 2010-01-28 | 2010-07-14 | 常州市星干干燥设备有限公司 | Nitrogen closed cycle drying and solvent recovery system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103954097A (en) | 2014-07-30 |
| CN103954096B (en) | 2015-11-25 |
| CN103954098B (en) | 2015-11-25 |
| CN102620527A (en) | 2012-08-01 |
| CN103954097B (en) | 2015-11-25 |
| CN102620527B (en) | 2014-04-09 |
| CN103954098A (en) | 2014-07-30 |
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