CN107024093A - A kind of simulative lunar soil drying unit - Google Patents
A kind of simulative lunar soil drying unit Download PDFInfo
- Publication number
- CN107024093A CN107024093A CN201710211482.9A CN201710211482A CN107024093A CN 107024093 A CN107024093 A CN 107024093A CN 201710211482 A CN201710211482 A CN 201710211482A CN 107024093 A CN107024093 A CN 107024093A
- Authority
- CN
- China
- Prior art keywords
- cartridge heater
- lunar soil
- simulative lunar
- drying unit
- surge tank
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
- F26B11/0495—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis with provisions for drying by electro-magnetic means, e.g. radiation, microwaves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of simulative lunar soil drying unit, including cartridge heater, support base, pressure gauge, surge tank, vavuum pump, compressor, water tank, gas flow pipe road, magnetic valve, rotating shaft and rocking arm；Cartridge heater, rotating shaft and rocking arm are separately installed with support base, rotating shaft two ends are connected with cartridge heater and rocking arm respectively; rocking arm driving cartridge heater is rotated around the shaft; cartridge heater is connected with surge tank and compressor respectively by gas flow pipe road; surge tank is connected with vavuum pump, water tank successively by gas flow pipe road, and gas flow pipe is respectively mounted pressure gauge and magnetic valve on road.The present invention realizes the accurate control to simulative lunar soil moisture content, overcomes the relatively low problem of traditional furnace drying method control accuracy by the cooperation of cartridge heater, surge tank, vavuum pump and water tank；Pass through the cooperation of cartridge heater, rotating shaft and rocking arm, it is ensured that simulative lunar soil thermally equivalent in cartridge heater, solve the problem of traditional furnace drying method simulative lunar soil water ratio uniformity is poor.
Description
Technical field
The present invention relates to a kind of simulative lunar soil drying unit, the system for the simulative lunar soil in moon exploration task of being particularly suitable for use in
It is standby, belong to mechanical engineering technical field.
Background technology
Lunar surface sample mode mainly includes deep layer drilling well sampling and lunar surface top layer is sampled, in lunar surface sampling apparatus development process
In, to verify the function and performance of sampling apparatus, it is necessary to prepare the simulative lunar soil matched with true lunar soil.
In ground experiment, the moisture content in simulative lunar soil can produce material impact to the validity of experiment, according to the country
Outer scholar's research, when simulative lunar soil moisture content is more than 3%, the physical characteristic such as viscosity of simulative lunar soil will change, so that
Test effect is influenceed, when simulative lunar soil moisture content is no more than 1%, the physical characteristic such as viscosity of soil does not have obvious change
Change.
Under earth environment, relative air humidity can influence the moisture content in lunar soil, be needed in simulative lunar soil preparation process
Drying and processing is carried out to it, moisture content is strictly controlled.
In the prior art, generally simulative lunar soil is dried using drying baker, but there is problems with：
Firstth, the control accuracy of moisture content is relatively low, and existing drying baker has only carried out real-time monitoring to the temperature inside the box, not right
Simulative lunar soil moisture content is monitored in real time, passes through the moisture content of sample weighting manner calculating simulation lunar soil, this side after drying
Formula is poor to the moisture control precision of simulative lunar soil.
Secondth, water ratio uniformity is poor, in the mode using drying baker, and simulative lunar soil is in drying baker in static
State, after drying, top layer simulative lunar soil moisture content is relatively low, but the outside diffusion effect of its internal moisture is relatively poor, inner aqueous
Rate is higher compared with top layer simulative lunar soil moisture content, causes the uniformity of overall simulative lunar soil moisture content poor.
The content of the invention
Present invention solves the technical problem that being：Overcome the deficiencies in the prior art, the invention provides a kind of baking of simulative lunar soil
Equipment for drying, by the cooperation of cartridge heater, surge tank, vavuum pump and water tank, realizes the accurate control to simulative lunar soil moisture content,
Overcome the relatively low problem of traditional furnace drying method control accuracy；Pass through the cooperation of cartridge heater, rotating shaft and rocking arm, it is ensured that the simulation moon
Earth thermally equivalent in cartridge heater, solves the problem of traditional furnace drying method simulative lunar soil water ratio uniformity is poor.
The present invention technical solution be：
A kind of simulative lunar soil drying unit, including cartridge heater, support base, pressure gauge, surge tank, vavuum pump, compressor, water
Case, vent line, the first vacuum-pumping pipeline, the second vacuum-pumping pipeline, gas exhaust piping, blowback pipeline, the first magnetic valve, the second electricity
Magnet valve, rotating shaft and rocking arm；
Cartridge heater, rotating shaft and rocking arm are separately installed with support base, rotating shaft two ends are fixed with cartridge heater and rocking arm respectively to be connected
Connect, rocking arm driving cartridge heater is rotated around the shaft, and vent line one end is connected with cartridge heater, and the vent line other end is respectively with first
Vacuum-pumping pipeline and blowback pipeline connection, the first vacuum-pumping pipeline are also connected with surge tank, and blowback pipeline is also connected with compressor,
Second vacuum-pumping pipeline two ends are connected with surge tank and vavuum pump respectively, and gas exhaust piping two ends connect with vavuum pump and water tank respectively
It is logical, vent line, the first vacuum-pumping pipeline, it is respectively mounted pressure gauge, the first magnetic valve, the second magnetic valve on blowback pipeline.
In a kind of above-mentioned simulative lunar soil drying unit, the cartridge heater uses hollow straight tube structure, the horizontal stroke of cartridge heater
Cross sectional shape is octagon.
In a kind of above-mentioned simulative lunar soil drying unit, the cartridge heater includes inner cylinder, outer barrel, thermal insulation board, electrical heating
Plate, screen pack, monitor, feeding valve and baiting valve；Thermal insulation board is bonded on outer tube inner wall, and electric boiling plate is bonded in inner cylinder both sides
On conical outer wall and the outer wall of inner cylinder middle circle column, screen pack and monitor, feeding valve and baiting valve are installed inside inner cylinder
It is separately mounted to the two ends of inner cylinder and outer barrel.
In a kind of above-mentioned simulative lunar soil drying unit, the fulcrum bearing uses the box beam formula of U-shaped in the middle part of the triangle of both sides
Structure.
In a kind of above-mentioned simulative lunar soil drying unit, the surge tank is cylinder, and the external diameter of surge tank is set to Ф
500mm, the height of surge tank is set to 1000mm, and the wall thickness of surge tank is set to 20mm, and surge tank uses cast aluminium tank.
In a kind of above-mentioned simulative lunar soil drying unit, the vavuum pump uses GW200 type vavuum pumps.
In a kind of above-mentioned simulative lunar soil drying unit, the compressor uses W-0.67/8 type compressors.
In a kind of above-mentioned simulative lunar soil drying unit, the water tank uses cube structure, and the length of side of water tank is set to
1m。
In a kind of above-mentioned simulative lunar soil drying unit, the vent line, the first vacuum-pumping pipeline, second vacuumize
Pipeline, gas exhaust piping, blowback pipeline use external diameter 32mm, wall thickness 2mm aluminium alloy pipeline.
In a kind of above-mentioned simulative lunar soil drying unit, first magnetic valve and the second magnetic valve are used
0927500 type magnetic valve.
In a kind of above-mentioned simulative lunar soil drying unit, the monitor uses RH113-L type monitors.
Compared with the prior art, the invention has the advantages that：
【1】The drying mode that the present invention is combined using electrical heating and dehumidifier, is heated simultaneously to simulative lunar soil internal moisture
Vapor is translated into, vapor is extracted through vavuum pump, this drying mode can realize effective drying to simulative lunar soil, it is full
Requirement of the sufficient ground experiment to simulative lunar soil moisture content.
【2】The present invention using rocking arm driving cartridge heater rotate around the shaft by the way of, can improve simulative lunar soil be heated it is equal
Even property, is avoided that simulative lunar soil forms accumulation in cartridge heater and causes to be difficult to discharge, reduces the work load of operating personnel again.
【3】The 3-stage dust-removal filter type that the present invention is coordinated using screen pack, surge tank and water tank, effectively prevent and taking out
More dust is produced during wet, is conducive to technical staff clearly accurately to observe monitor and pressure gauge, improves device
Overall operability.
【4】The present invention devises reverse air blowing pipeline, after the drying, carries out blowback using air compressor, you can will add
Air pressure inside hot cylinder, which is adjusted to an atmospheric pressure, can dispel the simulation month accumulated on screen pack so that baiting valve is smoothly opened, again
Earth.
【5】Compact overall structure of the present invention, integrated level is high, and functional structure realizes the design requirement of integration, it is adaptable to
Various working environments, and with longer service life, under complex working condition still can good operation, with highly versatile,
Applied widely the characteristics of.
【6】Thermal insulation board, electric boiling plate, screen pack, monitor, rotating shaft, the rocking arm of the present invention is standard component, without spy
System, and be easy to repair and change, production cost is significantly reduced, with wide market application foreground.
Brief description of the drawings
Fig. 1 is structure chart of the invention
Fig. 2 is the structure chart of cartridge heater
Fig. 3 is the side view of fulcrum bearing
Wherein：1 cartridge heater；101 inner cylinders；102 outer barrels；103 thermal insulation boards；104 electric boiling plates；105 screen packs；106 monitorings
Instrument；107 feeding valves；108 baiting valves；2 support bases；3 pressure gauges；4 surge tanks；5 vavuum pumps；6 compressors；7 water tanks；8 breather pipes
Road；9 first vacuum-pumping pipelines；10 second vacuum-pumping pipelines；11 gas exhaust pipings；12 blowback pipelines；13 first magnetic valves；14 second
Magnetic valve；15 rotating shafts；16 rocking arms；
Embodiment
To make the solution of the present invention more understand, explanation and specific embodiment make further to the present invention below in conjunction with the accompanying drawings
Description：
As shown in Figures 1 to 3, a kind of simulative lunar soil drying unit, including cartridge heater 1, support base 2, pressure gauge 3, surge tank
4th, vavuum pump 5, compressor 6, water tank 7, vent line 8, the first vacuum-pumping pipeline 9, the second vacuum-pumping pipeline 10, gas exhaust piping
11st, blowback pipeline 12, the first magnetic valve 13, the second magnetic valve 14, rotating shaft 15 and rocking arm 16；
It is separately installed with cartridge heater 1, rotating shaft 15 and rocking arm 16 on support base 2, the two ends of rotating shaft 15 are respectively with cartridge heater 1 and shaking
Arm 16 is fixedly connected, and the driving of rocking arm 16 cartridge heater 1 15 rotation around the shaft, one end of vent line 8 is connected with cartridge heater 1, breather pipe
The other end of road 8 is connected with the first vacuum-pumping pipeline 9 and blowback pipeline 12 respectively, and the first vacuum-pumping pipeline 9 also connects with surge tank 4
Logical, blowback pipeline 12 is also connected with compressor 6, and the two ends of the second vacuum-pumping pipeline 10 are connected with surge tank 4 and vavuum pump 5 respectively,
The two ends of gas exhaust piping 11 are connected with vavuum pump 5 and water tank 7 respectively, vent line 8, the first vacuum-pumping pipeline 9, on blowback pipeline 12
It is respectively mounted pressure gauge 3, the first magnetic valve 13, the second magnetic valve 14.
It is preferred that, cartridge heater 1 uses hollow straight tube structure, and the shape of cross section of cartridge heater 1 is octagon.
It is preferred that, cartridge heater 1 includes inner cylinder 101, outer barrel 102, thermal insulation board 103, electric boiling plate 104, screen pack 105, prison
Survey instrument 106, feeding valve 107 and baiting valve 108；
Thermal insulation board 103 is bonded on the inwall of outer barrel 102, is handed over for completely cutting off the heat inside the outside of outer barrel 102 and inner cylinder 101
Change.
Electric boiling plate 104 is bonded on the outer wall of the both sides conical outer wall of inner cylinder 101 and the middle circle column of inner cylinder 101, is used for
Simulative lunar soil is heated.
Screen pack 105 and monitor 106 are installed inside inner cylinder 101, Chalk-dust filtering and in real time monitoring inner cylinder is respectively used to
101 inner aqueous rates.
Monitor 106, by wireless connection, can be in real time read in inner cylinder 101 with external display device in external display device
The moisture content of portion's simulative lunar soil.
Feeding valve 107 and baiting valve 108 are separately mounted to the two ends of inner cylinder 101 and outer barrel 102, are respectively used to feeding and unload
Material, and inner cylinder 101 and outer barrel 102 are sealed.
It is preferred that, fulcrum bearing 2 uses the case girder structure of U-shaped in the middle part of the triangle of both sides.
It is preferred that, surge tank 4 is cylinder, and the external diameter of surge tank 4 is set to Ф 500mm, and the height of surge tank 4 is set to
1000mm, the wall thickness of surge tank 4 is set to 20mm, and surge tank 4 uses cast aluminium tank.
It is preferred that, vavuum pump 5 uses GW200 type vavuum pumps.
It is preferred that, compressor 6 uses W-0.67/8 type compressors.
It is preferred that, water tank 7 uses cube structure, and the length of side of water tank 7 is set to 1m.
It is preferred that, vent line 8, the first vacuum-pumping pipeline 9, the second vacuum-pumping pipeline 10, gas exhaust piping 11, blowback pipeline
12 use external diameter 32mm, wall thickness 2mm aluminium alloy pipeline.
It is preferred that, the first magnetic valve 13 and the second magnetic valve 14 use 0927500 type magnetic valve.
It is preferred that, monitor 106 uses RH113-L type monitors.
The course of work of the present embodiment is as follows：
The first step, opens the feeding valve 107 of cartridge heater 1, after simulative lunar soil to be dried is loaded in cylinder, covers feeding valve
107 ensure sealing；
Second step, opens electric boiling plate 104 and rotates rocking arm 16, makes the slowly rotation of cartridge heater 1, simulative lunar soil is carried out equal
Even heating；
3rd step, opens the first magnetic valve 13, closes the second magnetic valve 14；
4th step, after 10 minutes, opens vavuum pump 5, dehumidifier is carried out to cartridge heater 1, during dehumidifier, in real time monitoring pressure
Power table 3；
5th step, in drying course, the moisture content of simulative lunar soil in inner cylinder 101 is monitored by monitor 106 in real time, when
When moisture content is less than 0.5%, the magnetic valve 13 of vavuum pump 5 and first is closed；
6th step, when cartridge heater 1 is rotated to initial position, stop operating rocking arm 16；
7th step, opens the second magnetic valve 14 and compressor 6, and the inside of cartridge heater 1 is reversely blown, reversely blown
During monitoring pressure in real time table 3 numerical value, when the air pressure inside of cartridge heater 1 be an atmospheric pressure when, close the second magnetic valve 14,
Compressor 6 and electric boiling plate 104；
8th step, checks the numerical value of monitor 106, is confirmed whether that meeting design of the simulative lunar soil moisture content less than 1% wants
Ask.If not meeting, return to second step and re-start debugging, untill meeting the requirements.
The present invention operation principle be：
Simulative lunar soil to be dried is loaded after cartridge heater 1 by feeding valve 107, opens the electrical heating in the interlayer of inner/outer tube 102
Plate 104 and rocking arm 16, electric boiling plate 104 quickly heat inner cylinder 101, and heat is conducted to simulative lunar soil by cylinder, and rocking arm 16 drives
15 uniform speed slows rotate dynamic cartridge heater 1 around the shaft, make simulative lunar soil thermally equivalent；The internal moisture contained after simulative lunar soil heat absorption
It is evaporated to vapor.After electric boiling plate 104 and rocking arm 16 are opened 10 minutes, open the first magnetic valve 13 and vavuum pump 5, pair plus
The hot inside of cylinder 1 carries out dehumidifier, the vapor inside cartridge heater 1 is extracted out, buffered tank 4 is carried out again after buffering into water tank 7
Dedusting；After the data fit of instrument 106 requirement to be monitored, the magnetic valve 13 of vavuum pump 5 and first is closed, the second magnetic valve 14 is then turned on
With air compressor 6, blowback is carried out to the inside of cartridge heater 1, the air pressure inside cartridge heater 1 is adjusted to an atmospheric pressure, and will
The simulative lunar soil accumulated on screen pack 105 is dispelled.
The content not being described in detail in description of the invention is known to the skilled person technology.
Claims (10)
1. a kind of simulative lunar soil drying unit, it is characterised in that：Including cartridge heater (1), support base (2), pressure gauge (3), buffering
Tank (4), vavuum pump (5), compressor (6), water tank (7), vent line (8), the first vacuum-pumping pipeline (9), the second vacuum-pumping tube
Road (10), gas exhaust piping (11), blowback pipeline (12), the first magnetic valve (13), the second magnetic valve (14), rotating shaft (15) and rocking arm
(16)；
Be separately installed with cartridge heater (1), rotating shaft (15) and rocking arm (16) on support base (2), rotating shaft (15) two ends respectively with heating
Cylinder (1) be fixedly connected with rocking arm (16), rocking arm (16) driving cartridge heater (1) around the shaft (15) rotate, vent line (8) one end and
Cartridge heater (1) is connected, and vent line (8) other end is connected with the first vacuum-pumping pipeline (9) and blowback pipeline (12) respectively, and first
Vacuum-pumping pipeline (9) is also connected with surge tank (4), and blowback pipeline (12) is also connected with compressor (6), the second vacuum-pumping pipeline
(10) two ends are connected with surge tank (4) and vavuum pump (5) respectively, gas exhaust piping (11) two ends respectively with vavuum pump (5) and water tank
(7) connect, vent line (8), the first vacuum-pumping pipeline (9), pressure gauge (3), the first electricity are respectively mounted on blowback pipeline (12)
Magnet valve (13), the second magnetic valve (14).
2. a kind of simulative lunar soil drying unit according to claim 1, it is characterised in that：The cartridge heater (1) is using empty
Heart straight tube structure, the shape of cross section of cartridge heater (1) is octagon.
3. a kind of simulative lunar soil drying unit according to claim 1, it is characterised in that：The cartridge heater (1) includes interior
Cylinder (101), outer barrel (102), thermal insulation board (103), electric boiling plate (104), screen pack (105), monitor (106), feeding valve
And baiting valve (108) (107)；Thermal insulation board (103) is bonded on outer barrel (102) inwall, and electric boiling plate (104) is bonded in inner cylinder
(101) on both sides conical outer wall and the outer wall of inner cylinder (101) middle circle column, screen pack (105) is installed inside inner cylinder (101)
With monitor (106), feeding valve (107) and baiting valve (108) are separately mounted to the two ends of inner cylinder (101) and outer barrel (102).
4. a kind of simulative lunar soil drying unit according to claim 1, it is characterised in that：The fulcrum bearing (2) uses two
The case girder structure of U-shaped in the middle part of the triangle of side.
5. a kind of simulative lunar soil drying unit according to claim 1, it is characterised in that：The surge tank (4) is cylinder
Body, the external diameter of surge tank (4) is set to Ф 500mm, and the height of surge tank (4) is set to 1000mm, and the wall thickness of surge tank (4) is set to
20mm, surge tank (4) uses cast aluminium tank.
6. a kind of simulative lunar soil drying unit according to claim 1, it is characterised in that：The vavuum pump (5) uses
GW200 type vavuum pumps.
7. a kind of simulative lunar soil drying unit according to claim 1, it is characterised in that：The compressor (6) uses W-
0.67/8 type compressor.
8. a kind of simulative lunar soil drying unit according to claim 1, it is characterised in that：The water tank (7) is using square
Body structure, the length of side of water tank (7) is set to 1m.
9. a kind of simulative lunar soil drying unit according to claim 1, it is characterised in that：The vent line (8), first
Vacuum-pumping pipeline (9), the second vacuum-pumping pipeline (10), gas exhaust piping (11), blowback pipeline (12) use external diameter 32mm, wall thickness
2mm aluminium alloy pipeline.
10. a kind of simulative lunar soil drying unit according to claim 1, it is characterised in that：First magnetic valve (13)
0927500 type magnetic valve is used with the second magnetic valve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710211482.9A CN107024093A (en) | 2017-04-01 | 2017-04-01 | A kind of simulative lunar soil drying unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710211482.9A CN107024093A (en) | 2017-04-01 | 2017-04-01 | A kind of simulative lunar soil drying unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107024093A true CN107024093A (en) | 2017-08-08 |
Family
ID=59527411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710211482.9A Pending CN107024093A (en) | 2017-04-01 | 2017-04-01 | A kind of simulative lunar soil drying unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN107024093A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03267681A (en) * | 1990-03-14 | 1991-11-28 | Nissen Corp | High frequency reduced pressure drying apparatus |
| 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 |
| CN104122381A (en) * | 2014-07-08 | 2014-10-29 | 北京航空航天大学 | High and low temperature vacuum lunar soil environment simulator |
| CN204285984U (en) * | 2014-11-18 | 2015-04-22 | 蚌埠鑫源材料科技有限公司 | A kind of two-way automatic back blow Biconical rotary vacuum drying device |
| CN205192139U (en) * | 2015-11-24 | 2016-04-27 | 天津市田喜农乐肥业有限公司 | Vacuum drier |
| CN205940001U (en) * | 2016-08-15 | 2017-02-08 | 常州市广博干燥设备有限公司 | Bipyramid revolving vacuum drying machine |
-
2017
- 2017-04-01 CN CN201710211482.9A patent/CN107024093A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03267681A (en) * | 1990-03-14 | 1991-11-28 | Nissen Corp | High frequency reduced pressure drying apparatus |
| 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 |
| CN104122381A (en) * | 2014-07-08 | 2014-10-29 | 北京航空航天大学 | High and low temperature vacuum lunar soil environment simulator |
| CN204285984U (en) * | 2014-11-18 | 2015-04-22 | 蚌埠鑫源材料科技有限公司 | A kind of two-way automatic back blow Biconical rotary vacuum drying device |
| CN205192139U (en) * | 2015-11-24 | 2016-04-27 | 天津市田喜农乐肥业有限公司 | Vacuum drier |
| CN205940001U (en) * | 2016-08-15 | 2017-02-08 | 常州市广博干燥设备有限公司 | Bipyramid revolving vacuum drying machine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170808 |