CN109432853A - The device and method of micrometeorite are collected in ice and snow - Google Patents
The device and method of micrometeorite are collected in ice and snow Download PDFInfo
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- CN109432853A CN109432853A CN201811316425.8A CN201811316425A CN109432853A CN 109432853 A CN109432853 A CN 109432853A CN 201811316425 A CN201811316425 A CN 201811316425A CN 109432853 A CN109432853 A CN 109432853A
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- snow
- micrometeorite
- ice
- collet
- cylinder
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004080 punching Methods 0.000 claims abstract description 51
- 238000001914 filtration Methods 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000011148 porous material Substances 0.000 claims abstract description 14
- 239000003381 stabilizer Substances 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000002844 melting Methods 0.000 claims description 6
- 238000010257 thawing Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract 1
- 238000011160 research Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000005413 snowmelt Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000005437 stratosphere Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
Abstract
The device and method of micrometeorite are collected in ice and snow described herein, belong to aerolite collection device, micrometeorite for arctic regions is collected, it includes stabilizer blade, the main body cylinder being attached thereto is provided on the stabilizer blade, cylinder collet is provided on the side wall of main body cylinder, having heaters is installed in the inside of collet, and the cylinder collet includes collet water inlet and collet water outlet；Cover board is installed at the top of main body cylinder, is provided with the through-hole with filtering punching net group connection in the bottom of main body cylinder；The filtering punching net group includes the strainer for being layered the different pore size of setting from top to bottom；It is connected in the exit of filtering punching net group by discharge port control valve and explosion-proof centrifugal pump；It is provided with centrifugal pump discharge port on the explosion-proof centrifugal pump, filtered snow-broth can quickly be discharged, and the micrometeorite of different-grain diameter is intercepted and stayed on strainer convenient for recycling by the filter layer for the multilayer different pore size being arranged by bottom of device.
Description
Technical field
The invention belongs to aerolite collection device, be related to collecting in a kind of ice and snow for arctic regions the device of micrometeorite and
Method.
Background technique
Since 21 century, partial size is generally approximately less than 2mm by people, is collected in natural solid Material Definitions outside the ground of earth's surface and is
Micrometeorite.According to statistics, the extraterrestrial matter total amount of the annual accretion of the earth is 4 × 114 tons, and wherein most is micrometeorite.Micrometeorite
As the key for understanding the solar system or even interstellar space, the heat for having become cosmochemistry and space science with research is collected
Point research field.The forties in last century, the collection of micrometeorite have become international hot spot.Especially after the eighties, lead to
It crosses and carries out micrometeorite at north and south the two poles of the earth and collect, a large amount of scientific payoffs of output.The micrometeorite research in China is concentrated mainly on
Age in century 80-90, then just in the state stagnated.
Micrometeorite is since the place of collection is different so the mode and instrument collected are also different, and between 1873~1876 years the country
Outer scholar successively in the lower environment of the industrial pollutants such as halmeic deposit, inland sedimentary rock, desert, has collected a large amount of micro-
Aerolite.With the rapid development of science and technology, the collection of micrometeorite gradually expands to terrestrial space by original ground environment.This
Outside, the hot spot for becoming various countries' scientific research is investigated along with polar science, polar region aerolite is collected also important as its with micrometeorite
Research field.1, in deep-sea there are mainly two types of collection modes: 1. being harrowed in halmeic deposit using magnetic metal and directly inhaled
Take micrometeorite；2. acquiring a large amount of ooze or clay in deep-sea, selecting for micrometeorite is carried out in ground experiment room.2, in terrestrial space
Collection mode is to be acquired using sounding rocket, aircraft and high-altitude balloon to stratosphere micrometeorite.3, polar region micrometeorite
Collection work is also of the invention main to start from Langway etc. using field and pass through at arctic Greenland (Greenland)
Melt fresh snow and collects micrometeorite；Nishibori etc. passes through near the Japanese Showa station at South Pole ice shelf edge to be melted on iceberg
Ice collect micrometeorite；Thiel etc. accidentally has also discovered a small amount of micrometeorite in ice core.The micrometeorite quantity that the above work is collected
Considerably less, operating method complexity efficiency is lower, the excessively simple and crude pollution for be easy to causeing micrometeorite of ice-melting mode, and micrometeorite size
It is difficult to differentiate between.Therefore design one kind can quick and convenient and fast micrometeorite collection device become necessity.
Summary of the invention
The purpose of the present invention is to provide the device and method that micrometeorite is collected in a kind of ice and snow, can be in heating ice and snow
After melting it, the micrometeorite of different-grain diameter is carried out by layering interception by the filtering punching web plate of the multilayer different pore size of setting
And it recycles.
In order to achieve the above objectives, the present invention is achieved by the following technical solutions:
The device of micrometeorite, including stabilizer blade are collected in ice and snow described herein, are provided on the stabilizer blade and are connected therewith
The main cylinder connect, cylinder collet is provided on the side wall of main cylinder, and having heaters is installed in the inside of cylinder collet；The cylinder
Collet includes collet water inlet and collet water outlet；Cover board is installed at the top of main cylinder, the main cylinder bottom relative to cover board
Portion is connect with filtering punching net group；The filtering punching net group by being arranged the filtering punching web plate of multilayer different pore size from top to bottom
Composition；The exit for filtering punching net group is connected by discharge port control valve and explosion-proof centrifugal pump, is provided on explosion-proof centrifugal pump
Centrifugal pump discharge port.
Further speaking, cover board described herein is installed on main cylinder by cover board hinge, and relative to lid
Cover board one end of plate hinge is fixed on main cylinder by hook bolt.
Further speaking, close by O-ring seal between filtering punching web plate and level fixing piece described herein
Envelope；Punching net partition is provided between filtering punching net group and main cylinder.
Further speaking, stabilizer blade described herein is installed on chassis, and the bottom of chassis is equipped with universal wheel.
Further speaking, clamping hoop type respirator is also equipped on cover board described herein.
Further speaking, cylinder collet described herein is also equipped with temperature sensor.
Further speaking, panel reinforcing rib is installed on cover board described herein.
A method of using the device for collecting micrometeorite in above-mentioned ice and snow, this method is comprised the following steps that
The first step collects ice and snow, and opens cover board and the ice and snow being collected into is put into main cylinder；
Second step opens the switch of heater so that heater heats the medium water in cylinder collet, works as temperature
Sensor, which measures, to be stopped heating and sets the maintenance of the temperature of the medium water in cylinder collet herein when temperature reaches set temperature
In temperature；
Third step after melting completely to be placed into the ice and snow in main cylinder, opens discharge port control valve and explosion-proof centrifugal pumps；
4th step, the snow-broth after thawing successively pass through multilayer setting filtering punching net board group at filtering punching net group；
And the micrometeorite of the different-diameter size in snow-broth is stayed on the filtering punching web plate of different pore size；
5th step, the snow-broth after thawing enter in explosion-proof centrifugal pump after filtering punching net group, and in explosion-proof centrifugal
It is discharged under the action of pump by outlet of centrifugal pump；Heater is closed after snow-broth discharge.
6th step is collected the micrometeorite on the filtering punching web plate for staying in different pore size.
Compared with prior art, the beneficial effects of the present invention are:
1, the application design is lightweight and convenient and easy to remove, and one man operation can be realized, and saves artificial and cumbersome behaviour
Make process.
2, for the application by the way of jacket type indirect heating, avoidable heater is directly contacted with micrometeorite causes sample
Pollution, and heating temperature is constant at 80 DEG C or so, can persistently carry out heating and melting to ice and snow, improve work efficiency.
3, the application be arranged using multilayer, the filtering punching net board group of different pore size close that aperture is corresponding therewith to realize
The micrometeorite of different-diameter size is collected.And pass through experimental verification it is found that (such as aperture is 500 when use 5 layers of different pore size size
μm, 200 μm, 125 μm, 50 μm, 25 μm of combined type filters punching web frame more) filtering punching net group when, can disposably receive
Collect the micrometeorite of different-grain diameter.Dismountable mode, drop are used between filtering punching web plate in the application and level fixing piece
The cost of low cost and later maintenance replacement.
4, the water body in the application after ice dissolution can be quickly discharged by centrifugal pump, avoid the residual of moisture in container
It stays, improves the working efficiency of micrometeorite collection.
Detailed description of the invention
Fig. 1 is the main view of the application.
Fig. 2 is the partial enlarged view of part A in Fig. 1.
Fig. 3 is the top view of the application.
In figure: 1, cover board；2, hook bolt；3, cover board hinge；4, main cylinder；5, cylinder collet；6, collet water inlet；7,
Collet discharge outlet；8, heater；9, punching net group is filtered；10, punching web plate is filtered；11, O-ring seal；12, discharge port controls
Valve；13, explosion-proof centrifugal pumps；14, centrifugal pump discharge port；15, panel reinforcing rib；16, stabilizer blade；17, chassis；18, clamping hoop type breathes
Device；19, punching net partition；20, temperature sensor.
Specific embodiment
Technical solution described herein is described further below with reference to embodiment.It should be noted that
In the term position that following paragraphs may relate to, including but do not limit " up, down, left, right, before and after " etc., based on orientation
Be the vision orientation shown in corresponding Figure of description, should not should not also be considered to be to the application protection scope or
The restriction of technical solution, purpose only more fully understand technical solution described herein for convenience of those skilled in the art.
Embodiment 1:
The device of micrometeorite, including stabilizer blade 16 are collected in a kind of ice and snow, are provided with the master being attached thereto on the stabilizer blade 16
Cylinder 4, cylinder collet 5 is provided on the side wall of main cylinder 4, and having heaters 8 is installed in the inside of cylinder collet 5；The cylinder
Collet 5 includes collet water inlet 6 and collet water outlet 7；Cover board 1 is installed at the top of main cylinder 4, the master relative to cover board 1
4 bottom of cylinder is connect with filtering punching net group 9；The filtering punching net group 9 by being arranged the mistake of multilayer different pore size from top to bottom
Punching web plate 10 is filtered to form；The exit of filtering punching net group 9 is connect by discharge port control valve 12 with explosion-proof centrifugal pump 13, is prevented
Centrifugal pump discharge port 14 is provided on quick-fried centrifugal pump 13.The cover board 1 is installed on main cylinder 4 by cover board hinge 3, and in phase
1 one end of cover board of cover board hinge 3 is fixed on main cylinder 4 by hook bolt 2.The filtering punching web plate 10 and layer
It is sealed between grade fixing piece by O-ring seal 11；Punching net partition is provided between filtering punching net group 9 and main cylinder 4
19.The stabilizer blade 16 is installed on chassis 17, and the bottom of chassis 17 is equipped with universal wheel.Clip is also equipped on the cover board 1
Formula respirator 18.The cylinder collet 5 is also equipped with temperature sensor 20.Panel reinforcing rib 15 is installed on the cover board 1.
In embodiments herein 1, SUS304 material is can be selected in the main cylinder 4, and such material can be suitable for pole
The microthermal climate in ground area and certain high temperature can be born during heating.But the application is not precluded and selects remaining can
The material being applicable under polar low-temperature weather and heating state.It is the lid 1 installed by lid hinge 3 in the top of main cylinder 4,
It is provided with panel reinforcing rib 15 on lid 1, ice and snow can be put into the inside of main cylinder 4 after opening lid 1.At this time it should be noted that
, explosion-proof centrifugal pump 13 is in close state.
Before ice and snow is put into or after being put into, a certain amount of conduction heat is added into the cylinder collet 5 on 4 side wall of main cylinder
Medium.Water body can be selected in this application as heating and conduction hot medium, but the skill of this field is not precluded in the application
Art personnel can heat under cryogenic and conduct hot medium using remaining.Its medium water being added is by collet water inlet
6 are added.When needing to replace the medium water being added in cylinder collet 5, arranged by the collet of 5 bottom of cylinder collet
Emptying operation is realized at the mouth of a river 7.
The heater 8 used in the application is located in cylinder collet 5, can be after plugging in cylinder collet
It is persistently heated in 5, such as the temperature of its heating can be set in 80 DEG C, the medium temperature in cylinder collet 5 is to pass through temperature
Sensor 20 is spent to realize measurement.Disappearing for ice and snow in main cylinder 4 is realized indirectly by the medium water in heating cylinder collet 5
Melt.The mode of indirect heating in this way can not only make ice and snow fast melt, but also can to avoid because heater 8 and ice and snow it is straight
Contact causes the pollution of micrometeorite in ice and snow.Power supply supply described herein can be used battery, solar panel,
The mature power supply unit that those skilled in the art can obtain in the prior art such as vehicle power supply.
In this application, mutually horizontally disposed, vertical distribution, that aperture the is gradually reduced filtering punching web plate using multilayer
The filtering punching net groups 9 of 10 compositions are filtered snow-broth.The lower exit port of filtering punching net group 9 and main cylinder 4 passes through punching
Hole pattern panel 19 be connected to, can facilitate ablation after snowmelt runoff by and by the micrometeorite of different-diameter therein be layered into
Row is collected.Filtered snowmelt runoff is entered in explosion-proof centrifugal pump 13 by discharge port control valve 12 and is discharged by centrifugal pump
Mouth 14 is discharged to realize.
In order to guarantee the cleaning of air in main cylinder 4, is used on cover board 1 in this application and clamping hoop type respirator 18 is installed
The air entered inside main cylinder 4 is filtered, is prevented inside the pollution main cylinders 4 such as bacterium therein, particle, dust
Ice and snow, and internal ice and snow and the air of outside are completely cut off, prevent from directly contacting.
For the ease of movement, 16 bottom of supporting leg is equipped with bracket 17, the bottom installation of bracket 17 in this application
There is universal wheel.This structure can be easy to remove and easily facilitates one man operation.
On the basis of above structure, the application's specific steps are as follows:
The first step collects ice and snow, and opens cover board 1 and the ice and snow being collected into is put into main cylinder 4；
Second step opens the switch of heater 8 so that heater 8 heats the medium water in cylinder collet 5, works as temperature
Degree sensor 20, which measures, to be stopped heating when temperature reaches set temperature and maintains the temperature of the medium water in cylinder collet 5 herein
In set temperature；
Third step after melting completely to be placed into the ice and snow in main cylinder 4, opens discharge port control valve 12；
4th step, the snow-broth after thawing successively pass through the filtering punching net group that the filtering punching web plate 10 of multilayer setting forms
9；And the micrometeorite of the different-diameter size in snow-broth is stayed on the filtering punching web plate 10 of different pore size；
5th step, the snow-broth after thawing enter in explosion-proof centrifugal pump 13 after filtering punching net group 9, and explosion-proof
It is discharged under the action of centrifugal pump 13 by outlet of centrifugal pump 14；Heater 8 is closed after snow-broth discharge.
6th step is collected the micrometeorite on the filtering punching web plate 10 for staying in different pore size.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (8)
1. collecting the device of micrometeorite, including stabilizer blade (16) in a kind of ice and snow, it is characterised in that: be provided on the stabilizer blade (16)
The main cylinder (4) being attached thereto is provided with cylinder collet (5) on the side wall of main cylinder (4), the inside installation of cylinder collet (5)
Having heaters (8)；The cylinder collet (5) includes collet water inlet (6) and collet water outlet (7)；On the top of main cylinder (4)
Portion is equipped with cover board (1), and main cylinder (4) bottom relative to cover board (1) is connect with filtering punching net group (9)；The filtering punching
Hole pattern group (9) is made of the filtering punching web plate (10) that multilayer different pore size is arranged from top to bottom；Filter going out for punching net group (9)
It is connect by discharge port control valve (12) with explosion-proof centrifugal pump (13) at mouthful, centrifugal pump discharging is provided on explosion-proof centrifugal pump (13)
Mouth (14).
2. collecting the device of micrometeorite in ice and snow according to claim 1, it is characterised in that: the cover board (1) passes through lid
Plate hinge (3) is installed on main cylinder (4), and passes through hook bolt (2) in cover board (1) one end relative to cover board hinge (3)
It is fixed on main cylinder (4).
3. collecting the device of micrometeorite in ice and snow according to claim 1, it is characterised in that: the filtering punching web plate
(10) it is sealed between level fixing piece by O-ring seal (11)；It is set between filtering punching net group (9) and main cylinder (4)
It is equipped with punching net partition (19).
4. collecting the device of micrometeorite in ice and snow according to claim 1, it is characterised in that: the stabilizer blade (16) is installed on
On chassis (17), the bottom of chassis (17) is equipped with universal wheel.
5. collecting the device of micrometeorite into ice and snow described in any one of 4 claims according to claim 1, feature exists
In: clamping hoop type respirator (18) are also equipped on the cover board (1).
6. collecting the device of micrometeorite in ice and snow according to claim 5, it is characterised in that: the cylinder collet (5) is also
Temperature sensor (20) are installed.
7. collecting the device of micrometeorite in ice and snow according to claim 5, it is characterised in that: installed on the cover board (1)
There are panel reinforcing rib (15).
8. a kind of utilize collection micrometeorite in ice and snow described in any one of claim 1 to claim 7 claim
The method of device, which is characterized in that this method comprises the following steps that
The first step collects ice and snow, and opens cover board (1) and the ice and snow being collected into is put into main cylinder (4)；
Second step, opens the switch of heater (8) so that heater (8) heats the medium water in cylinder collet (5), when
Temperature sensor (20), which measures, to be stopped heating when temperature reaches set temperature and ties up the temperature of the medium water in cylinder collet (5)
It holds in this set temperature；
Third step after melting completely to be placed into the ice and snow in main cylinder (4), is opened discharge port control valve (12), and open explosion-proof
Centrifugal pump 13；
4th step, the snow-broth after thawing successively pass through the filtering punching net group of filtering punching web plate (10) composition of multilayer setting
(9)；And the micrometeorite of the different-diameter size in snow-broth is stayed on the filtering punching web plate (10) of different pore size；
5th step, the snow-broth after thawing enter in explosion-proof centrifugal pump (13) after filtering punching net group (9), and explosion-proof
It is discharged under the action of centrifugal pump (13) by outlet of centrifugal pump (14)；Heater (8) are closed after snow-broth discharge.
6th step is collected the micrometeorite on the filtering punching web plate (10) for staying in different pore size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811316425.8A CN109432853A (en) | 2018-11-07 | 2018-11-07 | The device and method of micrometeorite are collected in ice and snow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811316425.8A CN109432853A (en) | 2018-11-07 | 2018-11-07 | The device and method of micrometeorite are collected in ice and snow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109432853A true CN109432853A (en) | 2019-03-08 |
Family
ID=65551799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811316425.8A Pending CN109432853A (en) | 2018-11-07 | 2018-11-07 | The device and method of micrometeorite are collected in ice and snow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109432853A (en) |
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| CN207919931U (en) * | 2018-03-08 | 2018-09-28 | 朱卫成 | A kind of thawing purifier of green building |
| CN209188215U (en) * | 2018-11-07 | 2019-08-02 | 桂林理工大学 | The device of micrometeorite is collected in a kind of ice and snow |
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2018
- 2018-11-07 CN CN201811316425.8A patent/CN109432853A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB631828A (en) * | 1939-08-19 | 1949-11-10 | Prosperity Co Inc | Method of and apparatus for recovering liquid from a filter system |
| US20090217554A1 (en) * | 2008-02-21 | 2009-09-03 | Tucker Wiliam R | Enclosed snow melt system |
| CN102935306A (en) * | 2012-10-26 | 2013-02-20 | 中昊晨光化工研究院有限公司 | Filter and application thereof |
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| CN207012674U (en) * | 2017-07-24 | 2018-02-16 | 韩宗宏 | A kind of Self-stirring type twin-tub accurate filter |
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| CN209188215U (en) * | 2018-11-07 | 2019-08-02 | 桂林理工大学 | The device of micrometeorite is collected in a kind of ice and snow |
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