CN200989716Y - Grains circulating low-temperature vacuum drier - Google Patents
Grains circulating low-temperature vacuum drier Download PDFInfo
- Publication number
- CN200989716Y CN200989716Y CN 200520029349 CN200520029349U CN200989716Y CN 200989716 Y CN200989716 Y CN 200989716Y CN 200520029349 CN200520029349 CN 200520029349 CN 200520029349 U CN200520029349 U CN 200520029349U CN 200989716 Y CN200989716 Y CN 200989716Y
- Authority
- CN
- China
- Prior art keywords
- cereal
- vacuum
- heat exchanger
- drying device
- heating part
- 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 circulation low-temperature vacuum grain drying device comprises a heating member, a lower body (a dewatering member), a lower auger, a material feeding hopper, a hopper type hoister, a drain unloading port, a drain flow switching device, an upper auger, a storing member and a vacuum-pumping inlet etc., wherein the heating member a sealed cavity consisting of a certain quantity of heat exchange pipes with a hot media inlet, a hot media outlet as well as a front panel, a back panel, a top panel, a bottom panel, a left panel and a right panel; the hot media flows into and out of the cavity. The hot media is out of the heat exchange pipes, and grains to be dried passes through the heat exchange pipes by gravity. The vacuum dewatering member consists of a certain quantity of vacuum dewatering pipe channels with a front panel, a back panel, a top panel, a bottom panel, a left panel and a right panel as well as a vacuum-pumping outlet, wherein, the vacuum dewatering pipes can be arranged vertically so that grains can pass through interior thereof; the vacuum dewatering pipes can also be arranged horizontally so that the grains can pass by two side of the exterior thereof. The utility model significantly simplifies the structure of low-temperature vacuum grain drying devices, therefore reducing the energy consumption for vacuum formation, and thereby lowering the general resource consumption of the drying process and improving quality of dried grains.
Description
One, affiliated technical field
The utility model relates to a kind of grain drying, particularly a kind of cereal circulation low-temperature vacuum drying device.
Two, background technology
Adopt traditional heated-air drying technology and equipment dry material because inner and surface forms very big temperature tonsure by dried grains, cause the decline of quality and the solute phenomenon of scattering easily.Especially cereal can scatter and disappear, and fragrance, corn can crack, paddy can produce quick-fried waist, and wheat, soybean, peanut can produce protein denaturation, rapeseed can be gone rancid.
The low-temperature vacuum drying technology can overcome the problem that solute scatters and disappears and quality descends that heated-air drying produces.Can solve the great practical problem that dry corn can not be used for deep processing purposes such as starch especially.Be a kind of green drying technology, have result of extraction.
(Granted publication number is CN1074529C to Chinese patent, the patent No. is 98102422.X) a kind of " low temperature and negative pressure method for drying cereal " be provided, adopt the vacuum moisture-exhausting pump that storage tank is formed negative pressure, then by heater heating conduction oil, mobile jar interior cereal heating, the moisture of evaporation cereal of making by conduction oil.
(Granted publication number is CN1256393A to Chinese patent, application number is 9812352.3) a kind of " grains vacuum drying storage series facilities " be provided, form by dry repository, drier, vavuum pump and portable grain elevator tool, horizontal and vertical tracheae is installed in dry repository, on vertical tracheae, have the slit, by hot air cereal, the humid air of hot-air and cereal is taken away by vavuum pump subsequently, and repository keeps vacuum state.
Chinese patent (application number 200520030987.8) provides a kind of " thin layer vacuum drying silo ", square cylinder is arranged, upper and lower covers is formed, the water cavity of an independent sealing is set respectively on the square cylinder bulkhead from top to bottom, two water cavities are communicated with by hot-water line, and the upper end of a water cavity links to each other with water inlet pipe, the lower end of another water cavity links to each other with outlet pipe, be provided with dividing plate every certain distance from top to bottom in each water cavity, making the glide path of hot water in two water cavities and hot-water line is the catadioptric formula arc type that returns, below the hot-water line of certain number of plies, be provided with the horn shape vacuum-pumping tube of some, one end of vacuum tube is connected with vacuum pumping pump after running through the cylindrical shell bulkhead, and vacuum-pumping tube and hot-water line are 90 degree and arrange.
Chinese patent (the patent No.: " dry materials tube and continous vacuum low temperature drying equipment thereof " ZL200420010815.X) is provided, by up and down star continuous feeding and discharging device, vacuum extractor, hot-water supply and dry materials tube, the dry materials tube is tightly connected with star continuous feeding and discharging device up and down respectively, vacuumize interface and be connected with vacuum extractor, the water inlet of the cylindrical shell of drying and delivery port are communicated with hot-water supply respectively by pipeline.On the inwall of the corresponding both sides of cylindrical shell of square dry materials tube, be separately installed with the board-like water pipe of certain number of plies from top to bottom, adopt board-like hot-water line to material heating, big, the homogeneous heating of contact area, make full use of heat energy, kept heat-sensitive substance to greatest extent and be not destroyed.
There is certain defective in above-mentioned technology when dealing with problems: first technology is by heating element heater soil conduction oil implementation heating, and is very high to the sealing requirements of pipeline, once occur revealing, will pollute cereal, makes complexity, and cost is higher; Second technology adopts the slit on the pipeline to transmit hot blast and moisture, owing to often there are foreign material such as some dust in the cereal, stops up easily, and influence vacuumizes the degree of drying of effect and cereal, and easy-clear not after the slit is stopped up in addition makes troubles to maintenance; And very high to the vacuum requirement, the time of keeping high vacuum is long, and energy consumption height, production cost are also high; The heating pipe of third and fourth technology and vacuum tube are drawn repeatedly from the cylindrical shell many places of drying, the number of plies of hot-water line and number are a lot of again, be unfavorable for the formation of drying inner vacuum, brought very big difficulty to manufacturing process, common welding procedure and technology are difficult to guarantee sealing; The intensive obstruction that easily causes cereal of hot-water line is stopped up the back by being not easy cleaning, and hot-water line is difficult to maintenance once the restriction that is subjected to working space occurs revealing; These two kinds of technology all are to utilize charging of rotatory sealing valve and discharging in addition, and the sealing of the system that keeps dry, and actual effect is unsatisfactory.
Three, the content of utility model
The purpose of this utility model: overcome the defective of prior art, provide a kind of simple in structure, manufacture difficulty is low, easy to maintenance, cereal circulation low-temperature vacuum drying device that drying quality is good.
The technical solution of the utility model is:
A kind of cereal circulation low-temperature vacuum drying device, containing down, screw feeder, feed hopper, bucket elevator, unloading mouth, grain flow switching device shifter, go up screw feeder, storage part, heating part, dehydration portion, vacuumize inlet.During work, elevator rises to the drying device top with cereal to be dried, enter storage stream portion by last screw feeder, the cereal that enters storage part flows through heating part, dehydration portion successively by deadweight, finally enters the charging hopper of elevator by following screw feeder, repeats above each step, cereal is heated in circulation and dewaters, when grain moisture reached safe moisture, cereal made cereal discharge drying machine by row's grain mouth of automatic switchover elevator.Grain temperature is enhanced (generally about 40 ℃) in the heating part.Vaporization evaporation under the effect of moisture in negative pressure of vacuum of dehydration portion cereal inside, the aqueous vapor of evaporation is gone out drying device with vacuum pumping pump by pump drainage.Dry speed depends on the temperature of dry heat medium, the vacuum of drying device inside, the time that cereal circulates in drying machine.In general, the time that the vacuum that the temperature of dry heat medium is high more, drying device is inner is high more, cereal circulates in drying machine is long more, the moisture of sloughing in the cereal is many more, and the therefore general vacuum that temperature is high more, drying device is inner by regulating the dry heat medium is high more, the circulation timei of cereal in drying machine.
Vertical multitube and horizontal two kinds of heat exchange forms of multitube can be adopted in described heating part.
When adopting vertical multi-tube heat transfer form, together with the inlet of thermal medium, thermal medium outlet, a closed cavity forming jointly of front and rear panel up and down, thermal medium flows in cavity and flows out by the vertical heat exchanger tube of some in the heating part.Like this, thermal medium is in the outside of heat exchanger tube, and cereal to be dried passes through by deadweight in that heat exchanger tube is inner, cereal by the time be that main heat exchange form cereal is heated with the heat conduction, the inside and outside material that all can apply the increase thermal radiation effect of heat exchanger tube.Thermal medium can be hot-air, vapours, hot water etc.The section of heat exchanger tube can adopt versions such as rectangle, short rectangle, square, circle.Top at heat exchanger tube is flowed, is not formed the dead angle for the ease of cereal, is provided with the taper grain-guiding plate, and according to the shape of heat exchanger tube section, grain-guiding plate is provided with the grain of leading of below, top or square top and round bottom and bores.
When adopting horizontal multi-tube heat transfer form, the heating part is formed a cavity by the horizontal heat exchange barrel of some together with the entrance and exit of thermal medium, and thermal medium is in inner loop.Thermal medium can be hot-air, vapours, hot water etc.The section of heat exchanger tube adopts the chevron of sealing, last point below.Cereal flows through from the both sides of heat exchange barrel, is heated with conductive form simultaneously.Can the filler particles heat accumulating in heat exchanger tube inside, to reduce heat loss.
When adopting hot-air to be heat medium, in order to improve the dry thermal efficiency, the thermal medium cavity being made up of heat exchanger tube etc. is provided with horizontal punching dividing plate, and the graininess heat accumulating (as fluorite) about 3/4 height is filled on punching dividing plate top.Punching the lower partition is a cavity, with waste gas outlet together with.Thermal medium passes through the cavity that the heat accumulating space arrives the punching dividing plate from the upper cavity of heat accumulating, at last by waste gas outlet, discharges drying machine.
Described dehydration portion, by the vacuum dehydration pipe of some together with plate and vacuumize outlet and form all around up and down.The vacuum dehydration pipe can vertically be provided with, but also horizontally set of vacuum dehydration pipe, the tube wall of the vacuum dehydration pipe mesh that gathered.But make also horizontally set of vacuum dehydration pipe here, cereal passes through in the both sides external of dehydrating tube like this, the inside of vacuum dehydration pipe has been formed vacuum cavity together with opposing sideplates with vacuumizing to export, and vacuum expands to whole dryer inner by the net sky on the dehydrating tube.
Described feed hopper before drying machine is beginning drying operation, offers drying machine elevator cereal to be dried by it; When drying machine between operational period, its seal cover that closes plays sealing drying machine vacuum cavity, this moment cereal circulate in dryer inner.
Described grain stream switching device shifter, before drying machine is beginning drying operation,---------------the route circulation of dehydration portion---following screw feeder---elevator reaches safe moisture until cereal to storage part to elevator in the heating part to go up screw feeder to make cereal constantly by grain stream switching device shifter station 1.When drying machine during in beginning unloading operation,------------cereal in the drying machine is discharged in the route circulation of unloading mouth to following screw feeder to following body with elevator---grain stream switching device shifter station 2---in the heating part to make cereal by storage part.
The described inlet that vacuumizes is used to connect vacuum source, and vacuum source can be one of mechanical type vavuum pump, steam jet vavuum pump, water ring vacuum pump etc.
The beneficial effects of the utility model:
1. the structure of the utility model employing can make the length of heating part not be subjected to the restriction of the number of plies, increases or shortens according to the requirement of conducting heat during design; The structure of the heating part of cereal low-temperature vacuum drying device is simplified greatly, realized the thin layer heating, avoided the heat exchanger tube many places to draw the vacuum seal closure of drying device heating part repeatedly, the device manufacture difficulty is significantly reduced, effectively guarantee the formation of drying device vacuum and not revealing of heat medium, effectively improved heat exchange area and heat exchange efficiency; Be difficult for stopping up when also making device work, heat exchanger tube has when leakage also to make things convenient for inspection and maintenance.
2. vacuum outlet of dehydration portion's employing of the present utility model, a plurality of vacuum dehydration pipes form a plurality of vacuum cavities, no matter walk the outer grain of walking of grain or pipe in the employing pipe, all make the very thin thickness of cereal layer, therefore required vacuum power is very little, the vacuum of drying device inside is basic identical, greatly reduces energy consumption.The length of vacuum dehydration part can increase according to the requirement of dehydration and reduce, and has avoided the restriction of the number of plies.
3. dry heat medium of the present utility model does not directly contact with cereal, makes on the one hand cereal avoid polluting, and has avoided drying medium to bring into cereal such as Mars on the other hand and causes fire, has increased the security of using.
4. dry heat medium of the present utility model can be diversified, can be hot blast, hot water, water vapour etc., and can recycle, and improved energy efficiency, produces energy-conservation effect.
5. baking temperature of the present utility model can effectively avoid cereal that thermal denaturation takes place in dry run about 40 ℃, avoids the expansion and the quick-fried waist of cereal seed, has guaranteed the quality of dry back cereal.
6. of the present utility model applied widely.Be applicable to the drying of various bulk solid materials, be particularly suitable for drying, the extensive market of heat sensitive material, have good society and economic benefit after the popularization.
Four, description of drawings
Fig. 1 is one of cereal circulation low-temperature vacuum drying apparatus structure schematic diagram
Fig. 2 is one of heating part structure of cereal circulation low-temperature vacuum drying device shown in Figure 1
Fig. 3 is the side view of one of heating part structure of cereal circulation low-temperature vacuum drying device shown in Figure 1
Fig. 4 be cereal circulation low-temperature vacuum drying device shown in Figure 1 the heating part structure two
Fig. 5 is two a vertical view of the heating part structure of cereal circulation low-temperature vacuum drying device shown in Figure 1
Fig. 6 be cereal circulation low-temperature vacuum drying device shown in Figure 1 the heating part structure three
Fig. 7 is three a vertical view of the heating part structure of cereal circulation low-temperature vacuum drying device shown in Figure 1
Fig. 8 be cereal circulation low-temperature vacuum drying device shown in Figure 1 the heating part structure four
Fig. 9 is four a vertical view of the heating part structure of cereal circulation low-temperature vacuum drying device shown in Figure 1
Figure 10 be cereal circulation low-temperature vacuum drying device shown in Figure 1 the heating part structure five
Figure 11 is five a vertical view of the heating part structure of cereal circulation low-temperature vacuum drying device shown in Figure 1
Figure 12 is the dehydration portion structure of cereal circulation low-temperature vacuum drying device shown in Figure 1
Figure 13 is the cutaway view of the dehydration portion structure of cereal circulation low-temperature vacuum drying device shown in Figure 1
Figure 14 is one of grain stream switching device shifter structure of cereal circulation low-temperature vacuum drying device shown in Figure 1
Figure 15 is that the grain of cereal circulation low-temperature vacuum drying device shown in Figure 1 flows two of switching device shifter structure
Figure 16 is two a cutaway view of the grain stream switching device shifter structure of cereal circulation low-temperature vacuum drying device shown in Figure 1
Figure 17 is two of a cereal circulation low-temperature vacuum drying apparatus structure schematic diagram
Figure 18 is one of heating part structure of cereal circulation low-temperature vacuum drying device shown in Figure 17
Figure 19 is the vertical view of one of heating part structure of cereal circulation low-temperature vacuum drying device shown in Figure 17
Figure 20 be cereal circulation low-temperature vacuum drying device shown in Figure 17 the heating part structure two
Figure 21 is two a vertical view of the heating part structure of cereal circulation low-temperature vacuum drying device shown in Figure 17
Figure 22 be cereal circulation low-temperature vacuum drying device shown in Figure 17 the heating part structure three
Figure 23 is three a vertical view of the heating part structure of cereal circulation low-temperature vacuum drying device shown in Figure 17
Figure 24 be cereal circulation low-temperature vacuum drying device shown in Figure 17 the heating part structure four
Figure 25 is four a vertical view of the heating part structure of cereal circulation low-temperature vacuum drying device shown in Figure 17
Figure 26 be cereal circulation low-temperature vacuum drying device shown in Figure 17 the heating part structure five
Figure 27 is five a vertical view of the heating part structure of cereal circulation low-temperature vacuum drying device shown in Figure 17
Figure 28 is the dehydration portion structure of cereal circulation low-temperature vacuum drying device shown in Figure 17
Figure 29 is the cutaway view of the dehydration portion structure of cereal circulation low-temperature vacuum drying device shown in Figure 17
Five, the specific embodiment
Embodiment one:
Referring to Fig. 1, cereal circulation low temperature vacuum drier, adopt hot-air as thermal medium, by screw feeder (1), feed hopper (2), bucket elevator (3), unloading mouth (4), grain stream switching device shifter (5) down, go up screw feeder (6), storage part (7), heating part (8), down body (dehydration portion) (9), vacuumize inlet (10) and form.Being fit to adopt hot-air is heat medium.
Fig. 2 and Fig. 3, Fig. 4 and Fig. 5, Fig. 6 and Fig. 7, Fig. 8 and Fig. 9 and one of Figure 10 and 5 kinds of structures shown in Figure 11 can be adopted in heating part (8), are made up of thermal medium inlet (11), thermal medium outlet (12), heat exchanger tube (13), thermal medium cavity (14), grain-guiding plate (15).Wherein Fig. 2 and structure horizontally set heat exchanger tube shown in Figure 3 (13), the cross section of heat exchanger tube (13) is chevron (going up the point below), heat exchanger tube (13) inwall is the medium passing cavity, and heat exchanger tube (13) outer wall is formed grain stream through passage together with four sides side plate, thermal medium gateway (12); Wherein Fig. 4～structure shown in Figure 11 all vertically is provided with heat exchanger tube (13), heat exchanger tube (13) outer wall is formed the medium passing cavity together with four sides side plate, thermal medium gateway (12), heat exchanger tube (13) inwall is that grain stream is through passage, the upper end of heat exchanger tube (13) is provided with grain-guiding plate (15), avoids forming the dead angle and makes cereal remaining.Fig. 4 and Fig. 5, Fig. 6 and Fig. 7, Fig. 8 and Fig. 9 and Figure 10 and structure difference shown in Figure 11 are that the section of heat exchanger tube (13) is respectively rectangle, short square, square property and circle; Thermal medium cavity (14) is provided with the dividing plate that has punching on the lower side, punching dividing plate top is filled with the graininess heat accumulating (as fluorite) of suitable voidage, leave suitable cavity on heat accumulating top, punching the lower partition also leaves cavity, and with the drying machine waste gas outlet together with, hot-air enters the cavity on heat accumulating top from the thermal medium inlet like this, under the effect of pressure, arrive the cavity of punching the lower partition again by the space of heat accumulating, discharge drying machine by waste gas outlet at last, cereal is heated in this process.Empty arrow line (or hollow arrow line) is represented the flow direction of cereal, and solid arrow line (or filled arrows line) is represented the flow direction of thermal medium.
Referring to Figure 12 and Figure 13 is the dehydration portion (9) of present embodiment, by screw feeder (1), feed hopper (2) elevator (3), vacuum inlet (10), vacuum dividing plate (16), sealing valve (17), row's grain roller (18), dehydration tube seat (19), air-introduced machine (20), oil burner (21) are formed down.In Figure 12, oil burner (17) Delta Region of living in, dehydration portion (9) left side is the high-temperature region, is the furnace gas that oil burner (21) produces; Dehydration portion (9) right side air-introduced machine (18) Delta Region of living in is a low-temperature space, is the waste gas that has waste heat after the heating cereal; The inverted triangle district of central authorities of dehydration portion (9) is regions of no pressure, and by the punching on the dehydration barrel (19), vacuum can expand to heating part (7), storage part (8) so that elevator (3).During charging, the sealing valve (17) on the feed hopper (2) is opened; In dry run, close, play sealed vacuum.Empty arrow line (or hollow arrow line) is represented the flow direction of cereal, and solid arrow line (or filled arrows line) is represented the flow direction of thermal medium, and on behalf of steam, the double dot dash line arrow get rid of direction.
Be one of structure of the grain stream switching device shifter (5) of present embodiment referring to Figure 14, adopt the manual work mode, contain pivoted arm (23), lock-bit spring (24), sealing valve (25) etc.When drying machine when advancing grain and drying operation, with pulling moving pivoted arm (23) to the left side, sealing valve (25) is closed the square hole (station 1) of screw feeder (6) bottom in effect ShiShimonoseki of lock-bit spring (24),---------heating part (8)---route of dehydration portion (9)---following screw feeder (1)---elevator (3) circulates storage part (7) to go up screw feeder (6) to make cereal constantly by elevator (3), until cereal constantly heat, dehydration and tempering, reach safe moisture at last.When drying machine during in beginning unloading operation, crank arm (23) to the right side with pulling to move, sealing valve (25) is opened the square hole (station 2) of screw feeder (1) bottom under the effect of lock-bit spring (24), make cereal by storage part (7), and---heating part (8)---------cereal in the drying machine is discharged in the route circulation of unloading mouth (4) to following screw feeder (1) with elevator (3)---grain stream switching device shifter (5) station 2---in dehydration portion (9).
Referring to Figure 15 and Figure 16, be two of the structure of the grain of present embodiment stream switching device shifter (5), adopt electronic working method contain sealing valve (25), electromagnet (26), by pivoted arm (27), left-hand rotation arm (28), return spring (29).Advance in grain and the drying operation process at drying machine, electromagnet (26) off-position, sealing valve (25) is closed the square hole of screw feeder (6) bottom under the effect of return spring (29), cereal is constantly pressed elevator (3), and---------heating part (8)---route of dehydration portion (9)---following screw feeder (1)---elevator (3) circulates storage part (7) to go up screw feeder (6), until cereal constantly heat, dehydration and tempering, reach safe moisture at last.In dry unloading operation process, electromagnet (26) "on" position, open the square hole of screw feeder (6) bottom at the pulling lower seal valve (25) of electromagnet (26), cereal is pressed storage part (7), and---heating part (8)---------cereal in the drying machine is discharged in the route circulation of unloading mouth (4) to following screw feeder (1) with elevator (3)---grain stream switching device shifter (5) station 2---in dehydration portion (9).
Embodiment two:
Referring to Figure 17, basic identical with embodiment one, something in common no longer repeats.Difference is, has adopted hot water or steam as thermal medium.The heating part of this embodiment (8) is provided with direction and cross section different mining with Figure 18 and Figure 19, Figure 20 and Figure 21, Figure 22 and Figure 23, Figure 24 and 25 and one of Figure 26 and 5 kinds of structures shown in Figure 27 because of heat exchanger tube.Referring to Figure 28 and 29, screw feeder (1), feed hopper (2) elevator (3), vacuum inlet (10), vacuum dividing plate (16), sealing valve (17), row's grain roller (18), dehydration tube seat (19) etc. are down contained in dehydration portion (9), structure is identical with embodiment 1, but about two trigonums be not high temperature or low-temperature space, central inverted triangle district still is the region of no pressure.Grain stream switching device shifter (5) is identical with embodiment 1, has manually and electronic two kinds of versions.
Claims (6)
1, the utility model provides a kind of cereal circulation low-temperature vacuum drying device, by down screw feeder, feed hopper, bucket elevator, unloading mouth, grain stream switching device shifter, go up screw feeder, storage part, heating part, dehydration portion, vacuumize inlet and forms, the heat exchanger tube that it is characterized in that the heating part together with the medium passing cavity of four sides side plate, thermal medium gateway composition and grain stream through passage.
2, cereal circulation low-temperature vacuum drying device according to claim 1, the heat exchanger tube that it is characterized in that the heating part vertically is provided with, section adopts one of rectangle, short rectangle, square, circular configuration form, the medium passing cavity that the outer wall of heat exchanger tube is formed together with four sides side plate, thermal medium gateway, the inwall of heat exchanger tube are formed grain stream through passage.
3, cereal low-temperature vacuum drying device according to claim 1 is characterized in that being provided with grain-guiding plate on the heat exchanger tube top of its heating part, and what grain-guiding plate was provided with top below or square top and round bottom leads the grain taper hole.
4, cereal circulation low-temperature vacuum drying device according to claim 1, it is characterized in that heating part heat exchanger tube horizontally set, section is a chevron, the inwall of heat exchanger tube is formed the medium passing cavity together with four sides side plate, thermal medium gateway, and grain stream is formed through passage in the space between the outer wall of heat exchanger tube.
5, cereal circulation low-temperature vacuum drying device according to claim 1 is characterized in that being provided with horizontal punching dividing plate in the thermal medium cavity of heating part, and the graininess heat accumulating about 3/4 height is filled on punching dividing plate top.
6, cereal low-temperature vacuum drying device according to claim 1, it is characterized in that dehydration portion is made up of vacuum dehydration tube seat of the band punching of some etc., vacuum dehydration tube seat horizontally set, space between each vacuum dehydration tube seat forms grain stream through passage, and the inside of vacuum dehydration tube seat has been formed vacuum cavity together with side plate with vacuumizing to export.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520029349 CN200989716Y (en) | 2005-10-21 | 2005-10-21 | Grains circulating low-temperature vacuum drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520029349 CN200989716Y (en) | 2005-10-21 | 2005-10-21 | Grains circulating low-temperature vacuum drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200989716Y true CN200989716Y (en) | 2007-12-12 |
Family
ID=38940751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520029349 Expired - Fee Related CN200989716Y (en) | 2005-10-21 | 2005-10-21 | Grains circulating low-temperature vacuum drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200989716Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416232A (en) * | 2011-08-12 | 2012-04-18 | 中国科学技术大学 | Cooling and oil evacuation firefighting unit for fire extinguishing with liquid oil tank |
| CN103615881A (en) * | 2013-12-13 | 2014-03-05 | 长春吉大科学仪器设备有限公司 | On-line measuring and control method and system of grain circulation drying moisture based on total-weight detection |
| CN104061773A (en) * | 2013-10-14 | 2014-09-24 | 长春吉大科学仪器设备有限公司 | Circulating dryer for cereals |
| WO2015085634A1 (en) * | 2013-12-13 | 2015-06-18 | 长春吉大科学仪器设备有限公司 | Total-weight detection-based method and system thereof for on-line measuring and controlling moisture in circulation drying of grain |
| CN104886247A (en) * | 2015-06-08 | 2015-09-09 | 长春吉大科学仪器设备有限公司 | Low-part rotated grain-outlet type cyclical cereal drying machine |
| CN105076387A (en) * | 2015-10-08 | 2015-11-25 | 宁夏工商职业技术学院 | Low-temperature circulating type grain drying tower |
| CN110160353A (en) * | 2019-06-21 | 2019-08-23 | 沈林彬 | A kind of raw material of wood-charcoal dry kiln for raw material of wood-charcoal drying equipment |
-
2005
- 2005-10-21 CN CN 200520029349 patent/CN200989716Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416232A (en) * | 2011-08-12 | 2012-04-18 | 中国科学技术大学 | Cooling and oil evacuation firefighting unit for fire extinguishing with liquid oil tank |
| CN102416232B (en) * | 2011-08-12 | 2013-05-22 | 中国科学技术大学 | Cooling and oil evacuation firefighting unit for fire extinguishing with liquid oil tank |
| CN104061773A (en) * | 2013-10-14 | 2014-09-24 | 长春吉大科学仪器设备有限公司 | Circulating dryer for cereals |
| CN104061773B (en) * | 2013-10-14 | 2016-07-06 | 长春吉大科学仪器设备有限公司 | A kind of corn circulation dryer |
| CN103615881A (en) * | 2013-12-13 | 2014-03-05 | 长春吉大科学仪器设备有限公司 | On-line measuring and control method and system of grain circulation drying moisture based on total-weight detection |
| WO2015085634A1 (en) * | 2013-12-13 | 2015-06-18 | 长春吉大科学仪器设备有限公司 | Total-weight detection-based method and system thereof for on-line measuring and controlling moisture in circulation drying of grain |
| CN103615881B (en) * | 2013-12-13 | 2015-09-23 | 长春吉大科学仪器设备有限公司 | Based on cereal cyclic drying moisture on-line investigating method and the system thereof of total re-detection |
| CN104886247A (en) * | 2015-06-08 | 2015-09-09 | 长春吉大科学仪器设备有限公司 | Low-part rotated grain-outlet type cyclical cereal drying machine |
| CN104886247B (en) * | 2015-06-08 | 2018-05-18 | 长春吉大科学仪器设备有限公司 | A kind of low level rotates Cirulation type grain dryer of putting out cereal |
| CN105076387A (en) * | 2015-10-08 | 2015-11-25 | 宁夏工商职业技术学院 | Low-temperature circulating type grain drying tower |
| CN110160353A (en) * | 2019-06-21 | 2019-08-23 | 沈林彬 | A kind of raw material of wood-charcoal dry kiln for raw material of wood-charcoal drying equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200989716Y (en) | Grains circulating low-temperature vacuum drier | |
| CN104132525B (en) | Powder material is dried cooling integration equipment | |
| CN203629241U (en) | Vacuum drying tower | |
| CN105660903A (en) | Tea leaf drying machine and tea leaf drying method | |
| CN208443100U (en) | A kind of vacuum blade dryer | |
| CN110454796A (en) | A kind of townm refuse sealed horizontal strong drying device | |
| CN206300442U (en) | A kind of raw material of industry dehumidification drying device | |
| CN201653099U (en) | Vertical auger delivery type circulation vacuum drying apparatus | |
| CN206347841U (en) | A kind of new automatic dryer | |
| CN201653103U (en) | Circular chain-scraper conveying type circulating vacuum drying equipment | |
| CN2893588Y (en) | Thin-layer dry silo with high heat-transfer K K ratio | |
| CN104764312B (en) | Vacuum drying tower | |
| CN210320979U (en) | Betaine drying device | |
| CN2896159Y (en) | Grain low-temeprature vacuum drying device | |
| CN100451510C (en) | Air flow jetting type material drying machine | |
| CN107576217A (en) | A kind of screen plate powder flow heat exchanger | |
| RU2381430C1 (en) | Chamber for drying loose materials | |
| CN110074251A (en) | The production system of soy protein concentrate | |
| CN204085115U (en) | The dry cooling integration equipment of powder material | |
| CN108534527A (en) | Circulating vacuum dryer | |
| CN211451564U (en) | Airflow drying equipment of high viscosity traditional chinese medicine extract | |
| CN110345747B (en) | Chemical material finished product dewatering tank | |
| CN210832955U (en) | Waste heat utilization drying system circulating through heat pump | |
| CN110631402B (en) | Cooling device of feed particles | |
| CN209310447U (en) | A kind of novel energy-conserving continuous feed list cone drying machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071212 Termination date: 20091123 |