CN203459271U - Integrated-type material separation device of building solid waste - Google Patents
Integrated-type material separation device of building solid waste Download PDFInfo
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- CN203459271U CN203459271U CN201320321030.3U CN201320321030U CN203459271U CN 203459271 U CN203459271 U CN 203459271U CN 201320321030 U CN201320321030 U CN 201320321030U CN 203459271 U CN203459271 U CN 203459271U
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Abstract
The utility model relates to an integrated-type material separation device of building solid waste. The device comprises a separation chamber which is provided with a feeding inlet; a material separation area is formed from a separation chamber start end at the feeding outlet to a separation chamber terminal; the device also comprises a vibration separation sieve which is suspended in the separation chamber; the vibration separation sieve comprises a corrugated screen mesh inclining downwards in a direction from the separation chamber start end to the separation chamber terminal, and comprises a screen mesh vibration source acting on the corrugated screen mesh; the device also comprises a backboard which is arranged between the separation chamber start end and the separation chamber terminal and arranged on one side of the corrugated screen mesh; the device also comprises discharging channels which are arranged on the other side of the corrugated screen mesh relative to the backboard; the device further comprises two or more than two vibrator wind chambers which are successively arranged under the corrugated screen mesh along the channels between the backboard and the discharging channel; the vibrator wind chambers are connected with a pneumatic supply; openings in the upper parts of the vibrator wind chambers are communicated with sieve holes of the corrugated screen mesh; and each of the vibrator wind chambers is provided with one corresponding discharging channel.
Description
Technical field
The utility model relates to a kind of building solid castoff Recovering equipment, relates in particular to a kind of composite type building solid castoff material separation device.
Background technology
Along with the development of China's capital construction, building waste is increasing, and the quantity of China's building solid castoff has accounted for the 30-40% of municipal refuse total amount according to statistics.According to the rough Statistics to the construction material loss of the buildings such as brick mix structure, full cast-in-place structural and frame structure, in the work progress of every ten thousand square metres of buildings, only building solid castoff will produce 500-600 ton; And the old building of every ten thousand square metres of dismountings, to produce 7000-12000 ton building solid castoff, and the old building of the annual demolition of China account for building total amount 40% " (Chinese house and the vice-minister of town and country construction portion are in Liu Jie world green building and building energy conservation conference).At present, approximately 6,600,000,000 tons of China's industrial solid wastes total emission volumns, wherein building solid castoff accounts for 40%, and volume of cargo in storage is about 2,600,000,000 tons of left and right in prediction on such basis.Existing China, newly-increased construction area reaches 2,000,000,000 square metres above (< < Chinese architecture industry statistical yearbook 2009 > >), 43,000,000,000 square metres of existing building areas every year.According to building life cycle, within 100 years, calculate, average annual building demolition 400,000,000 square meters, China produces hundred million tons of the about 3-5 of building castoff every year.Various Jian build La Ji Give society and have brought many harm:
One, building waste is arbitrarily stacked and is easily produced potential safety hazard
The addressing on most urban architecture dumping ground has randomness to a great extent, has left many potential safety hazards.Near construction site, become the interim stacking place of building waste, due to a figure easy construction and the due safeguard procedures of shortage, under the impact of extraneous factor, there is avalanche in building waste heap more, and the phenomenon that obstruction road even rushes at other buildings happens occasionally.In suburb, mostly swag irrigation canals and ditches are the first-selection stacking ground of building waste, and this has not only reduced the ability of regulating and storing to water body, also will cause the reduction of top drainage and flood carrying capacity.
Owing to also containing a small amount of combustibles in building waste, therefore also can initiation fire, the general resident of building waste stacking place is simultaneously less, causes the possibility of disaster larger.Therefore building waste is arbitrarily stacked and is not only directly caused the pollution to soil, water quality, air etc., also has recessive potential safety hazard simultaneously.
Two, building waste affects air quality
Along with the development in city, a large amount of building wastes are arbitrarily stacked, not only land occupation, and contaminated environment, and affect directly or indirectly air quality.
The building waste of China adopts the mode of landfill to process mostly at present, yet building waste is in stacking process, under the effects such as temperature, moisture, some organic substance decomposes, produce pernicious gas, as contained a large amount of sulfate ions in building waste waste gypsum, sulfate ion under anaerobic can be converted into the hydrogen sulfide with rotten-egg odour, waste paperboard and culled wood be leachable lignin and tannic acid decompose and generate VFA under anaerobic, and this noxious gas emission is to will atmosphere pollution in air; Bacterium, dust in rubbish fly away with the wind, cause the pollution to air; A small amount of flammable building waste can produce poisonous carcinogen again in burning process, causes the secondary pollution to air.
Three, building waste is serious to water resource pollution
Building waste stack and landfill process in, owing to fermenting and the leaching of rainwater, washing away, and the immersion of surface water and groundwater and sewage---percolate or leachate that diafiltration goes out, can cause the severe contamination of peripheral ground water and underground water.
Place where the garage is piled up mainly contains the pollution channel of surface water body: near pool rubbish is scattered in and stacks in handling process, ditch; Place where the garage is piled up leachate, at overland flow, flows in surface water body; In place where the garage is piled up leachate in soil layer, can be seeped near in surface water body.
Place where the garage is piled up is mainly that refuse pollution is infiltrated water-bearing layer with leachate on the impact of underground water, secondly by lake, the river swag that is subject to refuse pollution, infiltrates supply water-bearing layer and causes the degree of depth to pollute.In percolate, not only contain a large amount of organic pollutions, but also contain a large amount of metals and non-metal contaminants, water-quality constituents is very complicated.Once drink this contaminated water, will cause very large harm to human body.
Four, building waste land occupation reduces soil quality
Along with the increase of urban architecture quantity of refuse, dumping point is also increasing, and the area of place where the garage is piled up is also expanding gradually.The phenomenon that rubbish and people strive ground has arrived quite serious stage, most suburban place where the garage is piled up is main mainly with air storage, experience after long-term exposing to the sun and rain, harmful substance in rubbish (wherein including the polycyclic aromatic hydrocarbon structure compound matter that paint, coating and pitch etc. in urban architecture rubbish discharge) is infiltrated in soil by percolate, thereby there is series of physical, chemistry and biological respinse, as filtered, adsorb, precipitating, or for root system of plant absorption or by the synthetic absorption of microorganism, cause the pollution of Suburb Soil, thereby reduced soil quality.
In addition, the urban architecture rubbish of air storage is under all External Force Actings, and less crushed stone also can enter near soil, and the material that changes soil forms, the structure of spoiled soil, the productivity of reduction soil.
The content of urban architecture heavy metals in garbage is higher in addition, and under the effect of many factors, chemical reaction will occur for it, and heavy metal in soil content is increased, and this will make content of beary metal in crop improve.Contaminated soil, does not generally have natural self-purification capacity, is difficult to alleviate its pollution level by dilution diffusion way yet, must take the way of costly transformation soil to solve.
The impact that the change in city brings life is recognized in the harm of building waste let us, how we reduce the harm that building waste produces our home, how to make to make good use of waste material of buildings, improve the important topic that the validity of its use and usage ratio etc. have become present building field and field of Environment Protection.The use of waste material of buildings has become the unavoidable trend of building industry, China's building castoff resource rate less than 5%, and 200,000,000 1 thousand ten thousand tons of building solid castoffs of the annual generation of European Union member countries, resource rate surpasses 90%, and the useless solid waste resource rate of Japanese architecture has reached 98%.
The main separation of lighter thing of existing building solid waste material, and dependence screen cloth carries out separation to the building solid castoff material of different size particle diameter, but cause so equally more different types of building solid castoff material mixed in together, the meticulous application of building solid castoff material is had to larger limitation.
And the general density of different types of material is different, how by the difference of density, to come separated different material to can be used as the direction of current research.
Summary of the invention
Based on the deficiencies in the prior art, the utility model technical issues that need to address are to provide a kind of composite type building solid castoff material separation device, can utilize the different next separated different materials of density.
For solving the problems of the technologies described above, the utility model provides a kind of composite type building solid castoff material separation device, and it comprises separation chamber, and it is provided with charging aperture, forms material separated region along separation chamber's initiating terminal at charging aperture place to separation chamber's terminal; Shaker separator, it hangs in described separation chamber, and this shaker separator comprises along separation chamber's initiating terminal to separation chamber's terminal side to downward-sloping corrugated screen cloth, acts on the screen cloth vibration source of this corrugated screen cloth; Backboard, it is arranged between separation chamber's initiating terminal and separation chamber's terminal and is positioned at this corrugated screen cloth one side; Tapping channel, it is arranged at this corrugated screen cloth opposite side with respect to this backboard; Two or more vibrator air compartments, this vibrator air compartment is arranged in order and is arranged at this corrugated shaped screens side off the net along the passage between backboard and tapping channel, each vibrator air compartment is all connected with pneumatic supply, and this vibrator air compartment upper opening is connected with corrugated screen mesh; Corresponding each vibrator air compartment is provided with described tapping channel.
A kind of composite type building solid castoff of the utility model material separation device, selected material is entered by the charging aperture of separation chamber, online formation of corrugated shaped screens, there is the certain thickness bed of material, undermost material directly contacts with corrugated shaped screens mesh screen face, and the fluctuating inertia force that corrugated shaped screens mesh screen surface vibration produces makes lower floor's material toward back plate motion.Because the resistance shelves directing material of backboard moves upward, and upper materials is subject to thrust and the Action of Gravity Field of backboard, along superficial layer, to tapping channel, glide, in the whole material bed both forward and reverse directions velocity gradient that forms up and down, first the material of the superiors' density minimum is that light material tapping channel is discharged by first tapping channel; Due to vibration force with enter continuously the material pressure of separation chamber, make the material of constantly upset form approximate screw, and move to high density material end, rest materials continues to do next loop cycle motion like this, i.e. therefrom pledge material tapping channel discharge of middle pledge material tapping channel; Rest materials continues to do next loop cycle motion, and heavier feeds tapping channel is discharged from heavier feeds tapping channel.Density relatively low material in upper strata is discharged like this, to the last discharges Behavior of Hardened Cement Paste that density is large etc.
As the improvement on the one hand of a kind of composite type building solid castoff of the utility model material separation device, this composite type building solid castoff material separation device also comprises the backboard vibration source that acts on described backboard.
As the improvement on the one hand of a kind of composite type building solid castoff of the utility model material separation device, between described vibrator air compartment and pneumatic supply, be provided with blast regulator.
As the improvement on the one hand of a kind of composite type building solid castoff of the utility model material separation device, this composite type building solid castoff material separation device also comprises the discharge baffle plate being arranged on described corrugated shaped screens mesh screen, and this discharge baffle plate is arranged at the tapping channel place between described backboard and tapping channel.
As the improvement on the one hand of a kind of composite type building solid castoff of the utility model material separation device, described corrugated screen cloth is downward-sloping along tapping channel toward back plate direction.
As the improvement on the one hand of a kind of composite type building solid castoff of the utility model material separation device, described corrugated screen cloth is downward-sloping with 5-15 degree angle along tapping channel toward back plate direction.
As the improvement on the one hand of a kind of composite type building solid castoff of the utility model material separation device, described corrugated screen cloth is along separation chamber's initiating terminal to separation chamber's terminal side to downward-sloping with 5-15 degree angle.
As the improvement on the one hand of a kind of composite type building solid castoff of the utility model material separation device, described corrugated shaped screens mesh screen face width Du Yan separation chamber initiating terminal is to separation chamber's terminal side to reducing gradually.
As the improvement on the one hand of a kind of composite type building solid castoff of the utility model material separation device, described corrugated shaped screens mesh screen face width Du Yan separation chamber initiating terminal is to separation chamber's terminal side to reducing gradually with 5-25 degree angle.
As the improvement on the one hand of a kind of composite type building solid castoff of the utility model material separation device, top, described separation chamber offers the mouth that gathers dust for being connected with ash content collector.
Noun lexical or textual analysis: described building solid castoff, be commonly called as building waste, refer to the general designation of dregs, waste and old concrete, waste and old masonry and other discarded objects that people produce in being engaged in the activity in production of the building industries such as removal, construction, finishing, repairerment.By the classification of generation source, building waste can be divided into engineering dregs, decoration garbage, removal rubbish, engineering mud etc.; By constituent classification, building waste is one or more in dregs, concrete block, crushed stone, brick and tile fragment, waste mortar, mud, asphalt blocks, waste plastics, old metal, useless bamboo wood etc.
Below in conjunction with accompanying drawing, describe the utility model in detail, it illustrates principle of the present utility model as the part of this description by embodiment, and other aspects of the present utility model, feature and advantage thereof will become very clear by this detailed description.
Accompanying drawing explanation
Fig. 1 is a kind of composite type building solid castoff of the utility model material separation device structural representation in one embodiment;
Fig. 2 be in Fig. 1 a kind of composite type building solid castoff material separation device at a structural representation that cross section is upper;
Fig. 3 is the perspective view in an embodiment of a kind of composite type building solid castoff of the utility model material separation device.
The specific embodiment
With reference to accompanying drawing, describe embodiment of the present utility model in detail.
With reference to figure 1-3, Fig. 1 is a kind of composite type building solid castoff material separation device structural representation in one embodiment.Fig. 2 be in Fig. 1 a kind of composite type building solid castoff material separation device at a structural representation that cross section is upper.Fig. 3 is perspective view.A kind of composite type building solid castoff material separation device in the present embodiment comprises bracing or strutting arrangement 10, frame 20, separation chamber 30, shaker separator 40, vibrator air compartment 50, blast regulator 60, backboard 70, tapping channel 80, discharge baffle plate 90.
Described bracing or strutting arrangement 10 is connected for frames 20Ji separation chamber 30 with frame 20.Described frame 20 is arranged on this bracing or strutting arrangement 10 for hanging separation chamber 30.On described bracing or strutting arrangement 10, can be provided with buffer unit, such as spring etc., the impulsive force for buffering vibration bolter 40 generation of vibrations to bracing or strutting arrangement 10.
Described separation chamber 30 is provided with charging aperture 31, and it is an enclosure space relatively, and initiating terminal ，Yan separation chamber 30 initiating terminals that charging aperture 31 is generally positioned at this separation chamber 30 form the feed separation region of separation chamber 30 to separation chamber's terminal.30 tops, described separation chamber offer the mouth 32 that gathers dust for being connected with ash content collector, and the ash content that described separation chamber 30 produces can be absorbed and collect by ash content collector by this mouth 32 that gathers dust.
Described shaker separator 40 hangs in described separation chamber 30 by frame 20, and this shaker separator 40 comprises corrugated screen cloth 41, screen cloth vibration source 42.Described screen cloth vibration source 42 is connected with this corrugated screen cloth 41, acts on this corrugated screen cloth 41 and makes corrugated screen cloth 41 produce vibration.
41 one-tenth corrugated ，Qi Yan separation chamber 30 initiating terminals of described corrugated screen cloth are to separation chamber's terminal side to downward-sloping, generally this corrugated screen cloth 41 along tapping channel 80 toward back plate 70 directions take 5-15 degree angle downward-sloping be preferred range, best angle is 10 degree.Certainly can be also 5 degree, 15 degree etc. in other embodiments.Described corrugated screen cloth 41 is downward-sloping along tapping channel 80 toward back plate 70 directions.General this corrugated screen cloth 41 along tapping channel 80 toward back plate 70 directions take 5-15 degree angle downward-sloping be preferred range, best angle is 10 degree.Certainly can be also 5 degree, 15 degree etc. in other embodiments.Described corrugated screen cloth 41 compass screen surface width along separation chamber 30 initiating terminals to separation chamber 30 terminal sides to reducing gradually, described corrugated screen cloth 41 compass screen surface width along separation chamber 30 initiating terminals to separation chamber 30 terminal sides to take 5-25 degree angle, reduce gradually as preferred range, best angle is 5 degree.Certainly can be also 10 degree, 15 degree, 25 degree etc. in other embodiments.
Described backboard 70 is arranged between separation chamber's 30 initiating terminals and separation chamber's 30 terminals, and it is relative with described tapping channel 80 to be positioned at these corrugated screen cloth 41 1 sides.This backboard 70 is connected with a backboard vibration source 100, and this backboard vibration source 100 acts on and makes this backboard 70 produce vibration.
Described tapping channel 80 is arranged at this corrugated screen cloth 41 opposite sides with respect to the position of this backboard 70, between described tapping channel 80Ye separation chamber's 30 initiating terminals and separation chamber's 30 terminals.Described tapping channel 80 is that corresponding vibrator air compartment 50 arranges, and a vibrator air compartment correspondence arranges at least one tapping channel, and the present embodiment is two, and a plurality of tapping channels corresponding with this vibrator air compartment can be set as required.
Described discharge baffle plate 90 is arranged on described corrugated shaped screens mesh screen 41, and this discharge baffle plate 90 is arranged at discharging place between described backboard 70 and tapping channel 80, i.e. position between vibrator air compartment 50 and tapping channel 80.
Described vibrator air compartment 50 operated by rotary motion have two or more, and the present embodiment is provided with 3, certainly can be provided with in other embodiments 2, or 4 etc.These vibrator air compartment 50Yan separation chamber 30 initiating terminals and separation chamber's 30 terminal sides are arranged at this corrugated screen cloth 41 belows to being arranged in order, and this vibrator air compartment 50 is position between backboard 70 and tapping channel 80.Each vibrator air compartment 50 is all connected with pneumatic supply, and these vibrator air compartment 50 upper openings are connected with corrugated screen cloth 41 sieve apertures; Each vibrator air compartment 50 correspondence is provided with tapping channel described at least one at the opposite side of described discharge baffle plate.Specific to the present embodiment, described vibrator air compartment 50 is provided with 3, be provided with 3 vibrator air compartments and be followed successively by vibrator air compartment 50a, vibrator air compartment 50b, vibrator air compartment 50c, along separation chamber, 30 initiating terminals and separation chamber's 30 terminal sides are arranged at this corrugated screen cloth 41 belows to being arranged in order to three, each vibrator air compartment 50 correspondence is provided with a described tapping channel 80 at the opposite side of described discharge baffle plate, is provided with 3 tapping channels and is followed successively by light material tapping channel 80a, middle pledge material tapping channel 80b, heavier feeds tapping channel 80c.The air quantity of the vibrator air compartment of the corresponding light material tapping channel vibrator air compartment of pledge material tapping channel that compares in correspondence is little, and in correspondence, the compare vibrator air compartment of corresponding heavier feeds tapping channel of the air quantity of the vibrator air compartment of pledge material tapping channel is little.
Described blast regulator 60 is arranged at described in each between vibrator air compartment 50 and pneumatic supply, regulates the size of air compartment air quantity by blast regulator 60, is generally less the closer to the air compartment air quantity of charging aperture 31, and the air compartment air quantity that more departs from charging aperture 31 is larger.
Selected material is entered by the charging aperture 31 of separation chamber 30, on corrugated screen cloth 41, form and there is the certain thickness bed of material, undermost material directly contacts with corrugated screen cloth 41 compass screen surfaces, and the fluctuating inertia force that corrugated shaped screens mesh screen surface vibration produces makes lower floor's material toward back plate motion.Because the resistance shelves directing material of backboard moves upward, and upper materials is subject to thrust and the Action of Gravity Field of backboard, along superficial layer, to tapping channel, glide, in the whole material bed both forward and reverse directions velocity gradient that forms up and down, first the material of the superiors' density minimum is that light material tapping channel is discharged by first tapping channel; Rest materials continues to do next loop cycle motion, i.e. therefrom pledge material tapping channel discharge of middle pledge material tapping channel; Rest materials continues to do next loop cycle motion, and heavier feeds tapping channel is discharged from heavier feeds tapping channel.Due to vibration force with enter continuously the material pressure of separation chamber, make the material of constantly upset form approximate screw, and move to high density material end.Density relatively low material in upper strata is discharged, and to the last discharges Behavior of Hardened Cement Paste that density is large etc.The loose of grain group strengthened in the effect of wind-force on the one hand, is exactly on the other hand to form gas-solid two-phase blending agent with fine to improve sharpness of separation.
Above corrugated shaped screens mesh screen face, by fine and air, formed gas-solid two-phase blending agent, form and there is certain density, metastable gas-solid suspended substance, add wind-force upward pressure, make low density material floating and the high material sinking of density.Along with assorting room carries out, particulate powder is constantly discharged with the material of density at the bottom of coarsegrain, and residue granularity medium grain thick, that density is higher forms with air the gas-solid suspended substance that new density is higher again, is conducive to the separation of middle and higher density material.
On the ripple compass screen surface of separation equipment, the loose and layering of material is to be realized by the suspension effect of mechanical oscillation and ascending air.The raising of loose intensity mechanical strength and wind speed and increasing.
According to the second law of thermodynamics, any system is all tended to free energy and is reduced.Before layering the material bed potential energy of compass screen surface higher than separation after material bed potential energy, as long as give suitable loose condition, the material that density is high will enter lower floor, thereby realize layering, by distributing again of different densities material particles, reach the process that potential energy reduces.If only depend on vibration loose, just unavoidably make material grain group cause " segregation layering ", the bulky grain that density is little is squeezed into upper strata, the fine that density is little drains to bottom, do not reach the object by density stratification, if only there is wind-force effect, can only be can not be by density stratification to upper strata by fine mouth.Only under the comprehensive function of wind-force and vibration force, material could be pressed density stratification.
Above disclosed is only preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.
Claims (10)
1. a composite type building solid castoff material separation device, is characterized in that it comprises
Separation chamber, it is provided with charging aperture, forms material separated region along separation chamber's initiating terminal at charging aperture place to separate terminal;
Shaker separator, it hangs in described separation chamber, and this shaker separator comprises along separation chamber's initiating terminal to separation chamber's terminal side to downward-sloping corrugated screen cloth, acts on the screen cloth vibration source of this corrugated screen cloth;
Backboard, it is arranged between described separation chamber initiating terminal and separation chamber's terminal and is positioned at described corrugated screen cloth one side;
Tapping channel, it is arranged at this corrugated screen cloth opposite side with respect to described backboard;
Two or more vibrator air compartments, this vibrator air compartment is arranged in order and is arranged at this corrugated shaped screens side off the net along the passage between backboard and tapping channel, each vibrator air compartment is all connected with pneumatic supply, and this vibrator air compartment upper opening is connected with corrugated screen mesh;
Corresponding each vibrator air compartment is provided with described tapping channel.
2. a kind of composite type building solid castoff material separation device as claimed in claim 1, is characterized in that it also comprises the backboard vibration source that acts on described backboard.
3. a kind of composite type building solid castoff material separation device as claimed in claim 1, is characterized in that being provided with blast regulator between described vibrator air compartment and pneumatic supply.
4. a kind of composite type building solid castoff material separation device as claimed in claim 1, is characterized in that it also comprises the discharge baffle plate being arranged on described corrugated shaped screens mesh screen, and this discharge baffle plate is arranged at the tapping channel place between described backboard and tapping channel.
5. a kind of composite type building solid castoff material separation device as claimed in claim 1, is characterized in that described corrugated screen cloth is downward-sloping along tapping channel toward back plate direction.
6. a kind of composite type building solid castoff material separation device as claimed in claim 5, is characterized in that described corrugated screen cloth is downward-sloping with 5-15 degree angle along tapping channel toward back plate direction.
7. a kind of composite type building solid castoff material separation device as claimed in claim 1, is characterized in that described corrugated screen cloth is along separation chamber's initiating terminal to separation chamber's terminal side to downward-sloping with 5-15 degree angle.
8. a kind of composite type building solid castoff material separation device as claimed in claim 1, is characterized in that described corrugated shaped screens mesh screen face width Du Yan separation chamber initiating terminal is to separation chamber's terminal side to reducing gradually.
9. a kind of composite type building solid castoff material separation device as claimed in claim 1, is characterized in that described corrugated shaped screens mesh screen face width Du Yan separation chamber initiating terminal is to separation chamber's terminal side to reducing gradually with 5-25 degree angle.
10. a kind of composite type building solid castoff material separation device as claimed in claim 1, is characterized in that top, described separation chamber offers the mouth that gathers dust for being connected with ash content collector.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320321030.3U CN203459271U (en) | 2013-06-05 | 2013-06-05 | Integrated-type material separation device of building solid waste |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320321030.3U CN203459271U (en) | 2013-06-05 | 2013-06-05 | Integrated-type material separation device of building solid waste |
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| CN203459271U true CN203459271U (en) | 2014-03-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113231300A (en) * | 2021-06-01 | 2021-08-10 | 安徽逸品山庄现代农业发展有限公司 | A sieving mechanism that is used for stem of noble dendrobium product processing to have a dust removal function |
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2013
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113231300A (en) * | 2021-06-01 | 2021-08-10 | 安徽逸品山庄现代农业发展有限公司 | A sieving mechanism that is used for stem of noble dendrobium product processing to have a dust removal function |
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