CN101949638B - Double-cone rotary vacuum drying and solvent recovering system - Google Patents
Double-cone rotary vacuum drying and solvent recovering system Download PDFInfo
- Publication number
- CN101949638B CN101949638B CN2010102919169A CN201010291916A CN101949638B CN 101949638 B CN101949638 B CN 101949638B CN 2010102919169 A CN2010102919169 A CN 2010102919169A CN 201010291916 A CN201010291916 A CN 201010291916A CN 101949638 B CN101949638 B CN 101949638B
- Authority
- CN
- China
- Prior art keywords
- condenser
- cylindrical shell
- bipyramid
- tube
- pipe
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
A double-cone rotary vacuum drying and solvent recovering system comprises a double-cone vacuum dryer, a hot water circulating pump, a hot water tank, condensers, a vacuum pump, a bag filter and a first gas-liquid separator, wherein the condensers include a shell and tube condenser and a coil condenser; a filter element of the double-cone vacuum dryer is cleaned by the nitrogen provided by a nitrogen reverse blow valve; the filter bag of the bag filter is cleaned by the nitrogen provided by a No.2 nitrogen reverse blow valve; and a check valve is arranged on a No.5 pipeline connecting the first gas-liquid separator and the vacuum pump. The system effectively prevents too high pressure in the vacuum dryer due to filter element blockage in the drying process, the bag filter can prevent the materials from blocking the valve, cleaning can be carried out without stopping the whole system, and the whole system can not undergo reverse suction and backflow so as to cause the materials to be lost even if sudden power failure happens.
Description
Technical field
The present invention relates to bipyramid rotary vacuum drying and solvent recovery system.
Background technology
As battery material--LiFePO4 is a kind of white powder, and is water insoluble, with ethanol as solvent, so need solvent is reclaimed not only environmental protection but also can reduce cost in that LiFePO4 is carried out in the dry run simultaneously.The Chinese patent patent No. is that 200920271785.0 utility model patent specification discloses a kind of cyanoacetamide tide product drying, Solvent Recovery Unit, has bipyramid formula vacuum desiccator, the upper end of bipyramid formula vacuum desiccator is the imports of cyanoacetamide tide product, the lower end is the outlet of cyanoacetamide dry product, bipyramid formula vacuum desiccator and boiler, hot water circulating pump is formed circulation drier, the solvent outlet of bipyramid formula vacuum desiccator is connected with condenser inlet, condensator outlet is connected with the freezing capture tank of accepting of dry solvent, the freezing capture tank lower end of accepting of dry solvent is connected with the dry solvent rear pump, the freezing capture tank upper end of accepting of dry solvent is connected with vacuum buffer tank, vacuum buffer tank is connected with the oil-free lubrication vavuum pump, and the freezing capture tank of accepting of dry solvent passes in and out system as heat-exchange system with chilled brine.Generally be connected with filter core on the airflow delivery outlet in the bipyramid formula vacuum desiccator, granular material causes false vacuum with the filter core obstruction easily in the dry run, the interior pressure of main frame this moment can rise, the attritive powder that has in the air-flow by filter core is after entering pipeline, can stop up the valve of process, above-mentioned arbitrary phenomenon taking place, all need shutdown system to clear up, causes certain loss.For the recovery of solvent, bigger condensation area if can be provided and prolong the condensation time as far as possible, then can improve the rate of recovery of solvent, but above-mentioned utility model patent is short of in this respect.China Patent No. is that 200520076519.4 utility model patent specification discloses a kind of closed cycle fluidized drying device, comprise drier, deduster, condenser, blower fan, hot filtration apparatus, above-mentioned utility model is the drying of suitable granular material only.China Patent No. is that 200520107528.5 utility model patent specifications disclose a kind of closed circuit cycle centrifugal spray drier, comprise successively the gas heater, centrifugal spray drying tower and the cyclone separator that connect, between the air inlet of the air stream outlet of cyclone separator and gas heater, be orderly connected with airtight hydrofuge machine, spray column, condenser, gas-liquid separator, airtight air blast by pipeline; The air inlet of gas heater also links for pipe with the inert gas of outside.Above-mentioned utility model only is suitable for having the liquid of thermal sensitivity solvent, the drying of suspension object.
Summary of the invention
The objective of the invention is to propose a kind of suitable granular material, avoid stopping up and bipyramid rotary vacuum drying and solvent recovery system that the solvent rate of recovery is high.
For achieving the above object, the present invention takes following technical scheme.
Vacuum drying of this bipyramid rotary and solvent recovery system comprise bipyramid formula vacuum drier, hot water circulating pump, boiler, condenser, vavuum pump, the cylindrical shell of described bipyramid formula vacuum drier is the interlayer cylindrical shell, in having, outer, the interlayer cylindrical shell is provided with charging aperture, discharging opening and axle bed hole, both sides, axle bed hole, both sides respectively is fixed with axle bed, the main shaft of bipyramid formula vacuum drier is made up of the active semiaxis of hollow form and the driven half shaft of hollow form, initiatively semiaxis and driven half shaft are separately fixed on the axle bed of both sides, one exhaust tube inserts the interlayer cylindrical shell by the active semiaxis, the end mouth of pipe that exhaust tube is in the interlayer cylindrical shell is provided with filter core, exhaust tube is in the outer part of interlayer cylindrical shell and is provided with atmospheric valve, hot water is at above-mentioned hot water circulating pump, circulate between the interlayer cylindrical shell of boiler and bipyramid formula vacuum drier, native system also is provided with the bag filter and first gas-liquid separator, described condenser comprises shell and tube condenser and coil pipe type condenser, the end that described exhaust tube is in interlayer cylindrical shell outside is provided with four-way connection, one interface of four-way connection is connected with the air inlet of described bag filter by No. 1 pipeline, the gas outlet of bag filter is connected with the air inlet of described shell and tube condenser by No. 2 pipelines, the gas outlet of shell and tube condenser is connected with the air inlet of described coil pipe type condenser by No. 3 pipelines, the gas outlet of coil pipe type condenser is connected with the air inlet of described first gas-liquid separator by No. 4 pipelines, and the gas outlet of first gas-liquid separator is connected with the bleeding point of described vavuum pump by No. 5 pipelines; Another interface of four-way connection connects No. 1 nitrogen for pipe, be provided with the nitrogen back-flushing valve at No. 1 nitrogen No. 1 on the pipe, the cylindrical shell top of described bag filter is provided with No. 2 nitrogen for pipe, No. 2 nitrogen is provided with the nitrogen back-flushing valve No. 2 for pipe, be provided with stroke control valve on No. 2 pipelines, No. 5 pipeline is provided with check valve.
Native system also is provided with second gas-liquid separator, and the exhaust outlet of described vavuum pump is connected with the air inlet of second gas-liquid separator by No. 6 pipelines.
The cooling liquid outlet of described coil pipe type condenser is connected with the cooling liquid inlet of described shell and tube condenser by pipeline.
Described No. 3 pipelines are provided with looks the liquid window.
Be provided with water pipe in the described driven half shaft, gap between driven half shaft and the water pipe is a backwater cavity, the interlayer cylindrical shell skin middle part of bipyramid formula vacuum drier is provided with water inlet, the internal layer two ends respectively are provided with water return outlet, two water return outlets respectively are connected with inner return pipe, one end of water pipe is connected with the water inlet at interlayer cylindrical shell skin middle part, the other end of water pipe is connected with the water inlet pipe that is in bipyramid formula vacuum drier outside, two inner return pipes all are connected with backwater cavity, and backwater cavity is connected with the return pipe that is in bipyramid formula vacuum drier outside.
Described active semiaxis drives rotation by motor by belt transmission.
Described shell and tube condenser has housing, be provided with inlet chamber, adapter cavity and discharge chamber in the housing, between inlet chamber and the adapter cavity, separate by complete tube sheet between adapter cavity and the discharge chamber, be provided with a plurality of incomplete tube sheets in the adapter cavity between two complete tube sheets, be provided be separated by 180 ° of positions of damaged part between the adjacent incomplete tube sheet, make cooling fluid circuitous flowing in adapter cavity, the tubulation that is arranged in the adapter cavity passes through pore corresponding on the incomplete tube sheet in turn, is connected between the pore of two complete tube sheet correspondences.
The present invention has following good effect: 1, the present invention adopts nitrogen blowback mode to clear up to the filter core in the bipyramid formula vacuum drier; prevent from effectively to cause that because of filter core stops up the excessive phenomenon of vacuum drier internal pressure takes place in the dry run; eliminate hidden peril of explosion; and do not need whole system to shut down cleaning, help boosting productivity.2, the present invention is provided with bag filter, is preceding road technology that the segmentation material that the filter element filtering of bipyramid formula vacuum drier fails to leach filters once more, prevent that material is valve blockage, cause producing unnecessary loss, and the present invention adopts nitrogen blowback mode to clear up to bag filter, makes bag filter keep good filter effect.3, the present invention adopts two condensers to collect condensate liquid, because wet gas current is through first condenser the time, the water capacity of air-flow is higher, so select shell and tube condenser for use, total caliber of shell and tube condenser is greater than total caliber of coil pipe type condenser, relative coil pipe type condenser, air-flow is through shell and tube condenser the time, air current flow speed is slower, the condensation time can suitably be prolonged, second condenser promptly selected the coil pipe type condenser, so the present invention has good condensation effect, improved the solvent rate of recovery.Enter shell and tube condenser again and cooling fluid is introduced into the coil pipe type condenser, the cold energy of cooling fluid is fully used, and is favourable energy-conservation.4, the present invention is provided with gas-liquid separator, not only helps solvent and reclaims, and further the gas of discharging is purified.5, the present invention is provided with check valve on the pipeline that connects between the vavuum pump and first gas-liquid separator, even outage suddenly, whole system suck-back, this phenomenon that refluxes can not take place yet and causes material to be suffered a loss.6, the liquid window is looked in setting on the pipeline that connects shell and tube condenser and coil pipe type condenser, can observe the condensation removal process.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, according to specific embodiment also in conjunction with the accompanying drawings, the present invention is further detailed explanation below.
Fig. 1 is an overall pattern of the present invention.
Fig. 2 is a bipyramid formula vacuum drier diagrammatic sketch.
Fig. 3 is the A portion enlarged drawing of Fig. 2.
Fig. 4 is the B portion enlarged drawing of Fig. 2.
Fig. 5 is the shell and tube condenser diagrammatic sketch.
Fig. 6 is the incomplete tube sheet diagrammatic sketch of shell and tube condenser.
The specific embodiment
(embodiment 1)
See Fig. 1, vacuum drying of this bipyramid rotary and solvent recovery system comprise bipyramid formula vacuum drier 1, bag filter 2, shell and tube condenser 3, coil pipe type condenser 4, first gas-liquid separator 5, vavuum pump 6, second gas-liquid separator 5, hot water circulating pump 8, boiler 9.
See Fig. 1 to 4, the cylindrical shell 1-1 of described bipyramid formula vacuum drier 1 is the interlayer cylindrical shell, in having, outer, interlayer cylindrical shell 1-1 is provided with charging aperture 1-1-1, discharging opening 1-1-2 and axle bed hole, both sides, both sides respectively are fixed with axle bed 1-2 in the axle bed hole, the main shaft of bipyramid formula vacuum drier is made up of two-semiaxle, wherein a semiaxis is the active semiaxis 1-5 of hollow form, another semiaxis is the driven half shaft 1-9 of hollow form, initiatively semiaxis 1-5 and driven half shaft 1-9 are separately fixed on the axle bed 1-2 of both sides, and initiatively the middle part of semiaxis 1-5 and the middle part of driven half shaft 1-9 are supported by the bearing in the bearing block 1-6 respectively.Described active semiaxis 1-5 passes through belt transmission 1-8 driven rotary by motor 1-7.
Bipyramid formula vacuum drier has exhaust tube 1-3, and exhaust tube 1-3 inserts interlayer cylindrical shell 1-1 by active semiaxis 1-5, and the end mouth of pipe that exhaust tube 1-3 is in the interlayer cylindrical shell 1-1 is provided with filter core 1-4.Be provided with water pipe 1-11 in the described driven half shaft 1-9.The outer middle part of interlayer cylindrical shell 1-1 is provided with water inlet, and the internal layer two ends respectively are provided with water return outlet, and the end of water pipe 1-11 is connected with the water inlet at interlayer cylindrical shell skin middle part, and the other end of water pipe 1-11 is connected with the water inlet pipe 18 that is in bipyramid formula vacuum drier 1 outside.Two water return outlets respectively are connected with inner return pipe 1-12, has the gap between driven half shaft 1-9 and the water pipe 1-11, the gap is backwater cavity 1-10, and two inner return pipe 1-12 all are connected with backwater cavity 1-10, and backwater cavity 1-10 is connected with the return pipe 19 that is in bipyramid formula vacuum drier 1 outside.
See Fig. 1,5 and Fig. 6, described shell and tube condenser 3 has housing 3-1, be provided with inlet chamber 3-a in the housing, adapter cavity 3-b and discharge chamber 3-c, between inlet chamber 3-a and the adapter cavity 3-b, 3-c is separated by complete tube sheet 3-1 between adapter cavity 3-b and the discharge chamber, be provided with a plurality of incomplete tube sheet 3-2 in the adapter cavity 3-b between two complete tube sheet 3-1, be provided be separated by 180 ° of positions of damaged part between the adjacent incomplete tube sheet 3-2, make cooling fluid circuitous flowing in adapter cavity 3-b, the tubulation that is arranged in the adapter cavity is gone up corresponding pore 3-2-1 by incomplete tube sheet 3-2 in turn, is connected between the pore of two complete tube sheet 3-1 correspondences.All incomplete tube sheet 3-2 are fixed on the support 3-3.The cooling liquid outlet of described coil pipe type condenser 4 is connected with the cooling liquid inlet of described shell and tube condenser 3 by pipeline 17.Moist air stream is introduced into shell and tube condenser, after enter the coil pipe type condenser again, enter shell and tube condenser again and cooling fluid is introduced into the coil pipe type condenser.
See Fig. 1, the end that described exhaust tube 1-3 is in interlayer cylindrical shell 1-1 outside is provided with four-way connection 10, one interface of four-way connection 10 is connected with the air inlet of described bag filter 2 by No. 1 pipeline 11, the gas outlet of bag filter 2 is connected with the air inlet of described shell and tube condenser 3 by No. 2 pipelines 12, the gas outlet of shell and tube condenser 3 is connected with the air inlet of described coil pipe type condenser 4 by No. 3 pipelines 13, the gas outlet of coil pipe type condenser 4 is connected with the air inlet of described first gas-liquid separator 5 by No. 4 pipelines 14, the gas outlet of first gas-liquid separator 5 is connected with the bleeding point of described vavuum pump 6 by No. 5 pipelines 15, and the exhaust outlet of described vavuum pump 6 is connected with the air inlet of second gas-liquid separator 7 by No. 6 pipelines 16.Described No. 3 pipelines 13 are provided with looks liquid window 26.
Another interface of four-way connection 10 connects No. 1 nitrogen for pipe 21, is provided with nitrogen back-flushing valve 22 at No. 1 nitrogen No. 1 for managing on 21, and the cylindrical shell top of described bag filter 2 is provided with No. 2 nitrogen and is provided with nitrogen back-flushing valve 24 for 23, No. 2 nitrogen of pipe No. 2 for pipe 23.Exhaust tube 1-3 is in the outer part of interlayer cylindrical shell 1-1 and is provided with atmospheric valve 20.No. 2 pipeline 12 is provided with stroke control valve 25.No. 5 pipeline 15 is provided with check valve 27.In addition, externally all be provided with valve on the pipeline of water inlet pipe 18, outside return pipe 19, connection hot water circulating pump 8 and boiler 9.Above-mentioned valve generally adopts pneumatic operated valve.
The control of valve can be used the computer programme-control, and when stroke control valve 25 is in opening, then No. 1 nitrogen back-flushing valve 22 and No. 2 nitrogen back-flushing valves 24 all are in closed condition; When No. 1 nitrogen back-flushing valve 22 is in opening, then No. 2 nitrogen back-flushing valves 24 and stroke control valve 25 all are in closed condition; When No. 2 nitrogen back-flushing valves 24 are in opening, then No. 1 nitrogen back-flushing valve 22 and stroke control valve 25 all are in closed condition; When vavuum pump 6 is in opening, then atmospheric valve 20 is in closed condition; When vavuum pump 6 is in closed condition, then atmospheric valve 20 is optionally opened.
Wet stock enters the interlayer cylindrical shell from the charging aperture 1-1-1 of the interlayer cylindrical shell of bipyramid formula vacuum drier 1, and wet gas current is discharged behind exhaust tube, bag filter 2, shell and tube condenser 3, coil pipe type condenser 4, first gas-liquid separator 5, vavuum pump 6, second gas-liquid separator 5.Dry material is collected by the discharging opening 1-1-2 of interlayer cylindrical shell, and in addition, bag filter 2 has discharging opening.Condensate liquid through shell and tube condenser 3 and 4 collections of coil pipe type condenser is respectively discharged by condensate outlet, and in addition, gas-liquid separator has condensate outlet.
Open nitrogen back-flushing valve 22 No. 1, filter core is stopped up in nitrogen blowback cleaning.
The filter bag that described bag filter 2 inside are supported by Metal net basket, fluid is flow to by inlet, flows out from outlet after filter bag filters, and impurity is intercepted at the filter bag outside.Open nitrogen back-flushing valve 24 No. 2, nitrogen is blown in the filter bag, and the impurity that is attached to the filter bag outer surface is blown off.
Hot water in the boiler 9 enters cylindrical shell interlayer 1-13 through hot water circulating pump 8, outside water inlet pipe 18, water pipe 1-11, be back to boiler 9 through inner return pipe 1-12, backwater cavity 1-10, outside return pipe 19 again, form the circulation of hot water between the interlayer cylindrical shell 1-1 of above-mentioned hot water circulating pump 8, boiler 9 and bipyramid formula vacuum drier 1.
Claims (7)
1. bipyramid rotary vacuum drying and solvent recovery system, comprise bipyramid formula vacuum drier (1), hot water circulating pump (8), boiler (9), condenser, vavuum pump (6), the cylindrical shell of bipyramid formula vacuum drier (1) is interlayer cylindrical shell (1-1), in having, outer, interlayer cylindrical shell (1-1) is provided with charging aperture (1-1-1), discharging opening (1-1-2) and axle bed hole, both sides, axle bed hole, both sides respectively is fixed with axle bed (1-2), the main shaft of bipyramid formula vacuum drier is made up of the active semiaxis (1-5) of hollow form and the driven half shaft (1-9) of hollow form, initiatively semiaxis (1-5) and driven half shaft (1-9) are separately fixed on the axle bed (1-2) of both sides, one exhaust tube (1-3) inserts interlayer cylindrical shell (1-1) by active semiaxis (1-5), the end mouth of pipe that exhaust tube (1-3) is in the interlayer cylindrical shell (1-1) is provided with filter core (1-4), exhaust tube (1-3) is in the outer part of interlayer cylindrical shell (1-1) and is provided with atmospheric valve (20), hot water is in above-mentioned hot water circulating pump (8), circulation between the interlayer cylindrical shell (1-1) of boiler (9) and bipyramid formula vacuum drier (1), it is characterized in that: native system also is provided with bag filter (2) and first gas-liquid separator (5), described condenser comprises shell and tube condenser (3) and coil pipe type condenser (4), described exhaust tube (1-3) is in the outside end of interlayer cylindrical shell (1-1) and is provided with four-way connection (10), one interface of four-way connection (10) is connected with the air inlet of described bag filter (2) by No. 1 pipeline (11), the gas outlet of bag filter (2) is connected with the air inlet of described shell and tube condenser (3) by No. 2 pipelines (12), the gas outlet of shell and tube condenser (3) is connected with the air inlet of described coil pipe type condenser (4) by No. 3 pipelines (13), the gas outlet of coil pipe type condenser (4) is connected with the air inlet of described first gas-liquid separator (5) by No. 4 pipelines (14), and the gas outlet of first gas-liquid separator (5) is connected with the bleeding point of described vavuum pump (6) by No. 5 pipelines (15); Another interface of four-way connection (10) connects No. 1 nitrogen for pipe (21), be provided with No. 1 nitrogen back-flushing valve (22) at No. 1 nitrogen for managing on (21), the cylindrical shell top of described bag filter (2) is provided with No. 2 nitrogen for pipe (23), No. 2 nitrogen is provided with No. 2 nitrogen back-flushing valves (24) for pipe (23), be provided with stroke control valve (25) on No. 2 pipelines (12), No. 5 pipelines (15) are provided with check valve (27).
2. bipyramid rotary vacuum drying according to claim 1 and solvent recovery system, it is characterized in that: native system also is provided with second gas-liquid separator (7), and the exhaust outlet of described vavuum pump (6) is connected with the air inlet of second gas-liquid separator (7) by No. 6 pipelines (16).
3. bipyramid rotary vacuum drying according to claim 1 and solvent recovery system is characterized in that: the cooling liquid outlet of described coil pipe type condenser (4) is connected with the cooling liquid inlet of described shell and tube condenser (3) by pipeline (17).
4. bipyramid rotary vacuum drying according to claim 1 and solvent recovery system is characterized in that: described No. 3 pipelines (13) are provided with looks liquid window (26).
5. bipyramid rotary vacuum drying according to claim 1 and solvent recovery system, it is characterized in that: be provided with water pipe (1-11) in the described driven half shaft (1-9), gap between driven half shaft (1-9) and the water pipe (1-11) is backwater cavity (1-10), the outer middle part of the interlayer cylindrical shell (1-1) of bipyramid formula vacuum drier (1) is provided with water inlet, the internal layer two ends respectively are provided with water return outlet, two water return outlets respectively are connected with inner return pipe (1-12), one end of water pipe (1-11) is connected with the water inlet at interlayer cylindrical shell skin middle part, the other end of water pipe (1-11) water inlet pipe (18) outside with being in bipyramid formula vacuum drier (1) is connected, two inner return pipes (1-12) all are connected with backwater cavity (1-10), and backwater cavity (1-10) return pipe (19) outside with being in bipyramid formula vacuum drier (1) is connected.
6. bipyramid rotary vacuum drying according to claim 1 and solvent recovery system is characterized in that: described active semiaxis (1-5) passes through belt transmission (1-8) driven rotary by motor (1-7).
7. bipyramid rotary vacuum drying according to claim 1 and solvent recovery system, it is characterized in that: described shell and tube condenser (3) has housing (3-1), be provided with inlet chamber (3-a) in the housing, adapter cavity (3-b) and discharge chamber (3-c), between inlet chamber (3-a) and the adapter cavity (3-b), (3-c) separated by complete tube sheet (3-1) between adapter cavity (3-b) and the discharge chamber, be provided with a plurality of incomplete tube sheets (3-2) in the adapter cavity (3-b) between two complete tube sheets (3-1), be provided be separated by 180 ° of positions of damaged part between the adjacent incomplete tube sheet (3-2), make cooling fluid circuitous flowing in adapter cavity (3-b), the tubulation that is arranged in the adapter cavity is gone up corresponding pore (3-2-1) by incomplete tube sheet (3-2) in turn, is connected between the corresponding pore of two complete tube sheets (3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102919169A CN101949638B (en) | 2010-09-26 | 2010-09-26 | Double-cone rotary vacuum drying and solvent recovering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102919169A CN101949638B (en) | 2010-09-26 | 2010-09-26 | Double-cone rotary vacuum drying and solvent recovering system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101949638A CN101949638A (en) | 2011-01-19 |
| CN101949638B true CN101949638B (en) | 2011-12-28 |
Family
ID=43453220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102919169A Expired - Fee Related CN101949638B (en) | 2010-09-26 | 2010-09-26 | Double-cone rotary vacuum drying and solvent recovering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101949638B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072620B (en) * | 2011-01-28 | 2012-12-05 | 福建南平南孚电池有限公司 | Vacuum baking oven for pole pieces of battery |
| CN102168906B (en) * | 2011-03-08 | 2012-07-25 | 常州先锋干燥设备有限公司 | Biconical rotary vacuum drying main machine |
| CN102168909B (en) * | 2011-03-08 | 2012-07-25 | 常州先锋干燥设备有限公司 | Biconical rotary vacuum drying system |
| CN103512320A (en) * | 2012-06-26 | 2014-01-15 | 四川制药制剂有限公司 | System utilizing waste water in pharmaceutical workshop |
| CN103423975A (en) * | 2013-08-30 | 2013-12-04 | 张家港市三联化工科技有限公司 | Drying device used for DHPPA |
| CN106500467B (en) * | 2016-12-20 | 2023-03-07 | 上海试四赫维化工有限公司 | Drying device for granulated water-soluble initiator |
| CN106601999B (en) * | 2016-12-30 | 2019-03-15 | 江苏亨利锂电新材料有限公司 | A kind of anode material of lithium battery rotary type drying device |
| CN107843077A (en) * | 2017-09-30 | 2018-03-27 | 安徽华星化工有限公司 | The improvement of the secondary pulvis furnace drying method of imidacloprid |
| CN108253749A (en) * | 2018-03-20 | 2018-07-06 | 太仓正信干燥设备科技有限公司 | A kind of material automatic subpackaging equipment |
| CN108266984A (en) * | 2018-03-20 | 2018-07-10 | 太仓正信干燥设备科技有限公司 | A kind of double-cone dryer with back-blowing device |
| CN108302914A (en) * | 2018-03-20 | 2018-07-20 | 太仓正信干燥设备科技有限公司 | A kind of double-cone dryer |
| CN109625977A (en) * | 2019-01-22 | 2019-04-16 | 浙江云涛生物技术股份有限公司 | It is a kind of that the vacuum for being related to VOCs solid material is suitble to turn material system |
| CN110470112A (en) * | 2019-05-31 | 2019-11-19 | 江阴瑰宝科技有限公司 | A kind of rotary dryer and its operating method |
| CN112619273A (en) * | 2020-12-19 | 2021-04-09 | 安徽金禾实业股份有限公司 | Device and method for recovering solvent from magnesium slag in Grignard section |
| CN113513884B (en) * | 2021-04-26 | 2022-06-21 | 中南大学 | High-activity metal powder anti-oxidation drying device and drying method |
| CN117404882B (en) * | 2023-12-15 | 2024-04-05 | 常州市步步干燥设备有限公司 | Bipyramid rotary vacuum dryer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9863705B2 (en) * | 2003-03-06 | 2018-01-09 | Vomm Chemipharma S.R.L. | Process for drying finely divided organic substances capable of producing explosives reactions |
| CN2826329Y (en) * | 2005-10-17 | 2006-10-11 | 吕江强 | Closed cycle fluidization drying apparatus |
| CN101004320A (en) * | 2006-01-22 | 2007-07-25 | 石建平 | Closed circulating dry system |
| CN201181147Y (en) * | 2008-01-15 | 2009-01-14 | 吕江强 | Closed-cycle filtration washing, boiling and drying machine |
| CN201281534Y (en) * | 2008-07-10 | 2009-07-29 | 吕江强 | Closed cycle boiling and drying unit |
| CN201852418U (en) * | 2010-09-26 | 2011-06-01 | 常州力马干燥工程有限公司 | Double-cone revolving vacuum drying and solvent recycling device |
-
2010
- 2010-09-26 CN CN2010102919169A patent/CN101949638B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101949638A (en) | 2011-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101949638B (en) | Double-cone rotary vacuum drying and solvent recovering system | |
| CN201852418U (en) | Double-cone revolving vacuum drying and solvent recycling device | |
| CN110465375A (en) | A kind of Rhizoma Gastrodiae superfine powder and its processing method | |
| CN107152856A (en) | A kind of heat pump sludge drier of evaporator precooling | |
| CN101830624B (en) | System and process for drying sludge blades | |
| CN201694934U (en) | Sludge blade drying system | |
| CN109231764A (en) | Microwave hot air jet stream cooperates with desiccation apparatus | |
| CN202145080U (en) | Hollow blade drying and solvent recovery system | |
| CN203837455U (en) | Vacuum flash drying system | |
| CN102230722B (en) | Cyclone drying and solvent recycling system | |
| CN214665849U (en) | Modular single-stage net chain closed coal slime drying machine | |
| CN109081548A (en) | A kind of low temperature eddy flow turntable material desiccation machine | |
| CN207146795U (en) | There are the Fresh air handling units of inlet air purification function | |
| CN109455897A (en) | Microwave hot air jet stream cooperates with drying method | |
| CN214665625U (en) | Single-stage multi-effect net chain closed type coal slime drying system | |
| CN100395500C (en) | Tech. for drying rubber assistant | |
| CN205851055U (en) | A kind of circulation breaking drier | |
| CN206553376U (en) | A kind of high-temperature dehumidification dryer | |
| CN209210613U (en) | The heat pump dewatered sludge device of high efficient cryogenic | |
| CN103697673B (en) | A kind of air energy pneumatic conveying dryer | |
| CN207197207U (en) | Multilayer cycling heat pump dedusting dryer | |
| CN209042949U (en) | It is a kind of to utilize the dry system for collecting flyash of hot dry wind | |
| CN103673514B (en) | Recirculating fluidized bed pneumatic conveying dryer | |
| CN103697662B (en) | A kind of equipment with pneumatic conveying drying and air-flow screening function | |
| CN202141307U (en) | Swirling flow type drying and solvent recovery unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20150926 |
|
| EXPY | Termination of patent right or utility model |