CN105689267A - Light substance separation device with screen drum - Google Patents
Light substance separation device with screen drum Download PDFInfo
- Publication number
- CN105689267A CN105689267A CN201610166123.1A CN201610166123A CN105689267A CN 105689267 A CN105689267 A CN 105689267A CN 201610166123 A CN201610166123 A CN 201610166123A CN 105689267 A CN105689267 A CN 105689267A
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- Prior art keywords
- blower fan
- collection bucket
- blanking
- installing rack
- charging aperture
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
- B07B1/24—Revolving drums with fixed or moving interior agitators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention provides a light substance separation device with a screen drum. The light substance separation device comprises a material conveyor; the material conveyor includes a conveying frame and a conveying belt; the material conveyor has a blanking end for dropping materials when the conveying belt conveys the materials in place; the conveying frame is fixedly provided with a mounting frame at the end corresponding to the blanking end; and the mounting frame is provided with a collecting hopper for collecting light substances in the materials and a fan for blowing the light substances in the materials dropping from the blanking end into the collecting hopper. In the device, the use of the screen drum capable of rotating enhances a separation effect between building dust substances and other light substances.
Description
Technical field
The present invention relates to a kind of light materials segregation apparatus, particularly to the light materials segregation apparatus in a kind of solid waste, relate more specifically to the light materials segregation apparatus in building waste garbage, this segregation apparatus is preferably with screen drum。
Background technology
All kinds of garbages such as building waste refers mainly to build, all kinds of structures, building etc. are built, repair, remove and carry out to produce in house decoraton process by unit in charge of construction or individual earth, waste residue, mortar。The basic composition of the building waste that different types of building structure produces is consistent, main component includes earth, be scattered mortar, waste residue, remaining armored concrete pile crown is blocked in bituminous concrete fragment, piling, cement concrete, pick cutter produce masonry, various old metal, timber, all kinds of building material product packaging material, wall insulated board, the waste material that fitment process produces and other garbage。
Removing in the building waste formed at all kinds of structures, building, do not contain only the heavier rubbish such as brick slag, cement concrete, possibly together with lighter rubbish such as wood chip, clothes, plastics, composition is complex。At present, mostly building waste is broken by strikeing back movement station, sorts then through screening station, obtains the aggregate of regeneration, and these aggregates may be used for and make hollow brick or be used directly to urban road laying。
In construction waste crushing process, inside aggregate, it is mingled with the light materials such as broken fabric, wooden unit, plastics, if the light materials being mingled in aggregate can the quality of strong influence aggregate。At present, it is mostly after raw material is broken, in the feeding process at screening station, manually chooses。But, the mode of this artificial selection, labor intensity is big, and selection efficiency is low, takes time and effort, and labour cost is higher。Also have the Winnowing box that employing is especially tailored to carry out gently in prior art, heavy substance sorting separates, but the overall structure of this Winnowing box is typically more complicated, and volume is also relatively big, and must be typically placed on ground, requires higher to field of employment。
CN204412616U discloses a kind of building waste light materials sorting sorting unit, including material conveyor, material conveyor includes carriage and conveyer belt, material conveyor has the blanking end fallen when tape transport puts in place for material, it is characterized in that: the end corresponding with described blanking end of described carriage is installed with installing rack, installing rack is provided with the collection bucket for the light materials in collection material and the blower fan for being blown in collection bucket by the light materials in the material fallen from described blanking end, collection bucket is provided with charging aperture, blower fan is provided with the air outlet corresponding with the charging aperture of described collection bucket, the blanking gap passed through below the blanking end of described material conveyor it is provided with for the material fallen from described blanking end between air outlet and the charging aperture of collection bucket of blower fan。
CN204710713U discloses a kind of building waste light materials piece-rate system, including feed pipe, a discharging opening is had bottom described feed pipe, described feed pipe posterior end connects blowing device, described feed pipe front end connects discharge pipe, described discharge pipe terminal is connected with separation bin, and described pod bottom is provided with two discharging openings, it is characterised in that described pod is internally provided with rotatable cylindrical screen。
CN103567218A discloses a kind of double; two arc screening type light materials separators being furnished with spray function, and this separator includes box matrix, is furnished with box cover body above box matrix；In the middle of box matrix, inner chamber is parallel longitudinal is provided with two shafts；Box matrix inwall is furnished with sieve plate at the bottom of double; two arc, and box cover body inwall is furnished with double; two arc tops sieve plate, and sieve plate at the bottom of double; two arc tops sieve plate and double; two arcs matches up and down；It is shaped with filtrate hole in the middle of sieve plate at the bottom of double; two arcs and on position, right side；Box cover body right-hand member top is furnished with charging aperture, and box covering on top is positioned at the left side of charging aperture and is furnished with the cleaning water access piece being connected with external water source；Twin shaft multi-blade pattern, has broken preferably and shear effect, is beneficial to organic recovery utilization rate in raising rubbish from cooking, possesses the dual-use function that Organic substance extracts and relatively large heavy substance is removed。
CN103586257A discloses a kind of building waste and processes system, including: disintegrating apparatus；Screening plant, is arranged on above disintegrating apparatus, and has the material slideway of setting downwards；Material lift equipment, rises to screening plant by the discharging of disintegrating apparatus。
CN104759413A discloses a kind of building waste screening plant, including separation chamber, tossed device, wind force device, it is characterised in that: also include being arranged at the middle weight sorting unit that selecting crude drugs with winnower is indoor, there is in described separation chamber the first Disengagement zone and the second Disengagement zone；Described tossed device carries material to the first Disengagement zone；Described wind force device utilizes wind-force to be kicked up by the material shed out in the first Disengagement zone；Described middle weight sorting unit includes double-deck separation tube, negative pressure mechanism, blower fan and cylinder driving mechanism, described double-deck separation tube has internal layer cylinder and outer layer cylinder, this internal layer cylinder has air port and internal layer cylinder is fixedly installed, this outer layer cylinder is that screen cloth cylinder and outer layer cylinder are coaxially disposed with internal layer cylinder and can around axial-rotation, this blower fan is connected in the first Disengagement zone by negative pressure mechanism is formed middle heavy substance is adsorbed in the negative pressure on outer layer cylinder with internal layer cylinder, and this cylinder driving mechanism is connected drive outer layer cylinder and rotates with outer layer cylinder。
But, in the prior art including above-mentioned patent documentation, in the light materials not only separated, dust material content is higher, makes the recycle value of light materials be severely limited, and in the high wind situation of blower fan, cause operating environment dust from flying, seriously polluted, bad environments。This area needs the solid waste light materials segregation apparatus of a kind of good dedusting effect, and the building waste dust separation carried secretly in light materials can be gone out by this device effectively。
Summary of the invention
For overcoming the above-mentioned technical problem existed in prior art, the present inventor is through further investigation and lot of experiments, it is provided that techniques below scheme。
In one aspect of the invention, provide a kind of light materials segregation apparatus with screen drum, this device includes material conveyor, material conveyor includes carriage and conveyer belt, material conveyor has the blanking end fallen when tape transport puts in place for material, the end corresponding with described blanking end of described carriage is installed with installing rack, installing rack is provided with the collection bucket for the light materials in collection material and the blower fan for being blown in collection bucket by the light materials in the material fallen from described blanking end, collection bucket is provided with charging aperture, blower fan is provided with the air outlet corresponding with the charging aperture of described collection bucket, the blanking gap passed through below the blanking end of described material conveyor it is provided with for the material fallen from described blanking end between air outlet and the charging aperture of collection bucket of blower fan；Outside between described blanking end and charging aperture top edge, facility has one or more spraying humidifier, and the material in dropping process is humidified；The end face of described charging aperture is 45 °-60 ° in the axial angle theta of inclined ramp obliquely, this inclined-plane and collection bucket；Described blower fan is arranged on installing rack operably；Described collection bucket includes the conveyance conduit of both ends open, and one end towards blower fan of described conveyance conduit is provided with described charging aperture, one end releasable connection of deviating from blower fan has the storing string bag；Described conveyance conduit is the rotatable screen drum that wall has sieve aperture。
Described screen drum preferably rotatably or is operably mounted on installing rack。
Preferably, described conveyance conduit is mainly made up of rotatable screen drum。
Described rotatable screen drum can by driven by motor。
Preferably with helical mixing blade in the rotating shaft of described rotatable screen drum。This helical mixing blade can play conveying light materials and shake off the effect of building dust。
The shape of sieve aperture and size are to affect the critically important factor of the selection result。If sieve aperture is excessive, then light materials such as wood flour, broken plastic sheet as well as building dust material together out, when sieve aperture is too small, be then unfavorable for the smooth discharge of building dust material。Additionally, the shape of sieve aperture also has very big relation for screening, the conventional design of this area screen drum is round sieve, the present inventor finds through great many of experiments, and circular sieve aperture is easy to be blocked by irregular building waste fine particle and fabric clipping, broken plastic sheet, on this basis, round sieve is changed into rectangular sieve aperture, so highly advantageous in the discharge with material of the building waste dust, it is not susceptible to again block, it is possible to play the screening effect of the best simultaneously。It is particularly preferred that the length of rectangle sieve aperture is 0.6-1.2cm, it is preferable that 1.0cm；Width is 0.1-0.5cm, it is preferable that 0.3cm。
Preferably, simultaneously the rotating speed of roller screen also to control in suitable scope, too fast can produce stronger centrifugal effect, crosses slow then separation efficiency, all can affect screening effect。Preferably, rotating speed is arranged on 10-30rpm, it is preferable that 20rpm。
It is surprisingly found out that, time in the rotating shaft of described rotatable screen drum preferably with helical mixing blade, stirring action due to helical mixing blade (now rotating shaft is equivalent to spiral-poker), building waste dust material such as concrete powder is separated with above-mentioned light materials, described powdered rubber is avoided to stick on light materials, thus being conducive to described powdered rubber to spill from the mesh of the storing string bag, it is achieved with separating of described light materials。Particularly when spraying humidification, the use of described helical mixing blade just seems meaningful especially, because when dust material is when humidification, its adhesive attraction is obviously enhanced。
The present inventor finds through further investigation, and in the prior art (such as in CN204412616U), under the blowing of blower fan air-supply, Dust Dispersion is serious, and has considerable amount of dust to enter in light materials。Light materials in solid waste (particularly building waste garbage) generally includes plastic bag, foam, wood flour, plastic sheet, cloth etc., some in these materials can be used as waste product, there is certain value, if wherein containing the powder of dust such as waste concrete, useless masonry, then it is difficult to recycle as waste product。It addition, blowing of blower fan is easily caused Dust Dispersion, cause severe operational environment。In the prior art, for instance in the sorting of coal, flying upward of coal dust is suppressed frequently with water spray humidification。But, in the sorting or conveying of such as coal, owing to operating, object is single is such as single coal, so water spray humidification generally carries out on a moving belt, additionally that the position of water spray and the mode of water spray is less demanding。The inventors discovered that, in the light materials of building waste solid waste separates, if carrying out water spray on the conveyor belt to add wet process, then dust can be attached on light materials such as plastic bag, foam, wood flour, this can cause that light materials increases the weight of on the one hand, thus causing isolating, additionally, even if a part of light materials is separated, on it, the dust of attachment also can limit the recycling of light materials。The inventors discovered that, the blanking At The Height set between the blanking end and described blanking gap of material conveyor carries out appropriateness humidification, it is possible to effectively solve this problem。By humidifying in this position, dust material can major part be attached on the solid waste heavy substance bulky grain being more easy to attachment, and part dust agglomeration can also can form heavy substance under humidified condition, thus successfully separating with light materials。Such humidification method is rarely seen report in solid waste light materials separates。
The inventors discovered that, the water yield of spraying humidification is preferably within the specific limits。The present inventor conscientiously studies discovery, and for the separation of light materials in building waste garbage, injection flow rate is preferably: within the unit interval, (weight of the water of ejection)/(weight of the blanking fallen)=0.01-0.05, it is preferable that 0.03。When injection flow rate is when this scope, it is possible to make the dust removing effects in separation process best。
It addition, for the spray effect reaching the best, the droplet size of spraying be there are certain requirements。It is particularly preferred that fogdrop diameter is 0.03～0.08mm, it is preferable that 0.05mm。Research finds, when droplet is described diameter, it is best to the atomization wetting effect of dust in blanking so that it is can be attached on heavy substance bulky grain or agglomerate into bulky grain, also avoid light materials by excess humidity simultaneously。
The quantity of described sprayer unit can be 1-10, it is preferable that 3-8。
Preferably, the water used by described spraying is preferably added to the ketopyrrolidine of 1.0-5.0 weight %, to increase the adhesiveness of droplet。
Preferably, there are at least one electrostatic generator (not shown) and at least one electrostatic precipitator (not shown) in the shower nozzle front of each atomizing humidifier, described electrostatic generator is such as high-pressure electrostatic ring, distance between described electrostatic generator and shower nozzle can be 15-20mm, and voltage can be 20-50kV。Described electrostatic precipitator is arranged on the opposite side of electrostatic generator, i.e. electrostatic generator is spaced apart by blanking with electrostatic precipitator, and electrostatic generator is arranged between shower nozzle and blanking。The use of this electrostatic generator can realize the removal of the imperceptible dust such as particle diameter dust less than 0.1 μm。
The present inventor is through furtheing investigate discovery further, and under the blowing of the wind sent at blower fan, the material of whereabouts parabolically mode falls。In the prior art (such as in CN204412616U), the end face of charging aperture is axially vertical with collection bucket so that wind direction is vertical with end face, so can cause that heavy substance such as concrete powder is also blown in collection bucket, thus causing that separating effect is poor。The inventors discovered that, by the end face of described charging aperture in inclined ramp obliquely, and the axial angle theta of this inclined-plane and collection bucket is defined to specific 45 °-60 °, it is preferred to about 50 °, just can realize end face to coincide with parabolical, it is to avoid heavy substance is blown in collection bucket by mistake。This setup there is not yet report, and prior art does not provide the enlightenment of corresponding technology or instruction yet。
The present inventor finds after further research, and prior art wind machine is typically fixed on installing rack (what adopt in such as CN204412616U is fixed mode) so that the distance of its air outlet and collection bucket also generally immobilizes。But, for different building waste kinds, heavy substance is different from the type of light materials and ratio, and such assembling mode is difficult to meet the sorting needs of polytype building waste。In the present invention, by making described blower fan be arranged on operably on installing rack, it is preferable that can moving axially along installing rack so that according to the needs of different building wastes sortings, can freely regulate the distance between itself and collection bucket。And in the prior art, realizing the sorting needs of polytype building waste often by more ventilating fan, this mode consumes a large amount of human and material resources, financial resources, and also generally requires interrupt run process and carry out more ventilating fan。Comparatively speaking, the present invention is completely without changing blower fan。
In the present invention, the movement on installing rack of the described blower fan can be controlled by computer, such as when the quantity of refuse of material conveyor conveying is relatively larger, the distance that can make blower fan and collection bucket diminishes, when the quantity of refuse of material conveyor conveying is smaller, blower fan can be made to become big with the distance of collection bucket, form linkage with material conveyor。
Preferably, described collection bucket is in a cylindrical shape, and its cross section is circular, oval, square or rectangle。
Preferably, the axial and described installing rack of described collection bucket is axially in parallel。
In a preferred embodiment, described material conveyor tilts upward extension along the feed direction of conveyer belt, described installing rack tilts upward extension along the feed direction of described conveyer belt, and described blower fan is positioned at the oblique upper of described collection bucket along the feed direction of described conveyer belt。
In a preferred embodiment, described blower fan has installation portion, installation portion and described installing rack slidable connection so that blower fan is installed on described installing rack, installation position in the oblique upper of the air outlet of described blower fan so that leaving the assemblage gap of setting between air outlet and the installing rack of blower fan。The assemblage gap of this setting can be adjusted according to rubbish type。
In the present invention, the bottom of described collection bucket is preferably provided with multiple pore 52。Described pore 52 allows the heavy substance being by mistake blown into therefrom to spill。The inventors discovered that, when building waste is pulverized, the particle size of heavy substance and light materials is often different, for instance the concrete of pulverizing is often in thinner Powdered, and light materials such as piece of cloth or wood flour often have bigger particle size。The present inventor is through research, the feature of light materials and heavy substance and difference in serious analysis building waste crushed material, the diameter of the multiple pores set by selection bucket bottom is preferably 5.0mm-10.0mm, it is preferable that 6.0mm, it has been found that such aperture has the weight material screening effect of the best。For the present invention, due to the Stirring shake effect of screw feeder, the dust shaken off easily spills from described laterally disposed pore, further increases the separating effect of dust material。
The inventors discovered that, when the outside of the storing string bag is not connected with cyclone dust removal separator, in order to prevent the effusion of the dust such as the fine building concrete that mixes in light materials, generally adopt thinner mesh, but owing to using thinner mesh, just very easily block mesh at the initial stage light materials (such as piece of cloth, wood flour) separated, thus cause that the flowing within light materials in collection bucket of air-flow that blower fan produces is not smooth, fine dust is accumulated in light materials, it is difficult to separate。When adopting bigger mesh, mesh not easily blocks, so that the air-flow that blower fan produces is at the smooth outflow within light materials, thus effectively fine solid particle and light materials being separated。
Further, since air current flow is smooth and easy, it is to avoid the wind that blower fan blows runs into the blocking blocks of collection bucket and returns, cause that fine dust is overflowed from charging aperture。Additionally, due to the use of the employing of larger aperture and cyclone dust removal separator, enhance the separating effect of fine dust and light materials so that blower fan wind speed can adjust in a big way, do not need as before to be arranged in a narrower range。
Preferably, described collection bucket can shake, thus strengthening screening effect。
Preferably there is between blanking end and the described blanking gap of described material conveyor the blanking height of setting。
The charging aperture of described collection bucket can be flaring structure。
Preferably, described collection bucket includes the conveyance conduit of both ends open, and one end towards blower fan of described conveyance conduit is provided with described charging aperture, one end releasable connection of deviating from blower fan has the storing string bag。
In an especially preferred embodiment, the described storing string bag is put by multiple viscose non-woven material stackings and is formed。
It is highly preferred that the plurality of viscose non-woven material layer includes a layer being made up of abrasion-resistant material。Described spunbonded materials is preferably the material that polyphenylene sulfide and PTFE blend with 1:2-2:1 weight ratio。This material has the complete retentivity of intensity and inherent chemical resistance compared with independent polyphenylene sulfide, it is possible to keeps good strainability in the adverse circumstances of the present invention, and reaches desirable service life。Because the abominable of building waste sorting environment, this performance of the storing string bag of the present invention is just particularly important。
The blend of described polyphenylene sulfide and PTFE preferably uses Nano-meter SiO_22It is filled with。When the Nano-meter SiO_2 with 2-5 weight %2When being filled with, the hot strength of composite, tensile modulus of elasticity and tensile break strength can on average improve 5-20%。Described Nano-meter SiO_22It is preferably the Nano-meter SiO_2 that titanate esters (such as butyl titanate) processes2, so can further improve spunbonded materials layer and the mechanical property of the storing string bag。
In the present invention, by installing rack, blower fan is installed in collection bucket the end corresponding with the blanking end of material conveyor of carriage, and leave blanking gap between the air outlet and the charging aperture of collection bucket of blower fan, blanking gap is positioned at the lower section of the blanking section of material conveyor, during use, the material of tape transport falls from the blanking end of material conveyor, material is through blanking gap, the light materials mixed in material is blown in collection bucket by the wind of the air outlet blowout of blower fan, complete the collection to light materials, heavier material then enters in normal material collection operation by blanking gap, thus completing light, the selecting crude drugs with winnower of middle material separates。
Segregation apparatus provided by the present invention is compared with the segregation apparatus of prior art, and separation accuracy is higher, the adaptability of different kinds of building rubbish is higher, and the efficiency of separation is also higher simultaneously。
The described storing string bag is detachably installed, the storing string bag collect full after, it is possible to is removed, it is possible to the storing string bag that directly more renews or re-use again after the old storing string bag is cleared up。The storing string bag intensity of the present invention is high, environment resistant, and therefore the replacement cycle is long by force, has both saved expense, turn avoid the interruption of running。
The use of described spraying humidifier, makes light materials separation accuracy high, and avoids dust from flying。
In the present invention, described screen drum is preferably made up of potassium steel, and the carbon content in this potassium steel is 1.35 weight %, and silicone content is 0.91 weight %, Mn content is 12.50%, and without chromium and molybdenum。Such potassium steel good toughness, has very high intensity, thus having extraordinary wearability, is particularly suitable for the present invention, and this is owing to the abrasion of building waste dust material is very strong。
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment according to the light materials segregation apparatus in the solid waste of the present invention。
Fig. 2 is the structural representation of the rotatable screen drum according to the present invention, wherein exemplarily shows by driven by motor。
Detailed description of the invention
Embodiment 1
As shown in Figure 1, a kind of embodiment of the light materials segregation apparatus in building waste solid waste, described building waste from capital the building waste of new airport construction tear project open, Winnowing separator in this embodiment includes material conveyor, material conveyor includes carriage 2 and conveyer belt 1, material conveyor has the blanking end 11 fallen when conveyer belt 1 conveying puts in place for material, material conveyor herein tilts upward extension along the feed direction of conveyer belt, blanking end 11 is positioned at the position, upper end of carriage, the upper end corresponding with described blanking end 11 of carriage 2 is installed with installing rack 3, installing rack 3 is provided with the collection bucket 5 for the light materials in collection material and the blower fan 4 for being blown in collection bucket by the light materials in the material fallen from described blanking end 11, collection bucket 5 is provided with charging aperture 51, blower fan 4 is provided with the air outlet 41 corresponding with the charging aperture 51 of described collection bucket 5, leave between air outlet 41 and the charging aperture 51 of collection bucket 5 of blower fan 4 and be positioned at the blanking gap 7 passed through for the material fallen from described blanking end below the blanking end 11 of described material conveyor, installing rack 3 tilts upward extension along the feed direction of described conveyer belt 1, described collection bucket 5 and blower fan 4 tilt upward layout along the feed direction of described conveyer belt 1, described blower fan 4 is positioned at the oblique upper of described collection bucket 5, the end face of described charging aperture is in inclined ramp obliquely, the axial angle theta of this inclined-plane and collection bucket is 45 °。Blower fan 4 has installation portion 42, installation portion 42 is connected so that blower fan 4 is installed on described installing rack 3 with described installing rack 3, installation portion 42 in the oblique upper of the air outlet 41 of described blower fan 4 so that leaving the assemblage gap of setting between air outlet 41 and the installing rack 3 of blower fan 4。Collection bucket 5 includes the conveyance conduit of both ends open, and one end towards blower fan 4 of described conveyance conduit is provided with described charging aperture 51, one end releasable connection of deviating from blower fan 4 has the storing string bag 6, and the charging aperture of collection bucket 5 is for ease of the flaring structure of charging。Material from the material of material conveyor fall time, for ensureing the effect that selecting crude drugs with winnower separates, the blanking height 8 of setting can be left between the blanking end 11 of material conveyor and described blanking gap 7, so that material fully scatters before entering blanking gap, outside between described blanking end and charging aperture top edge, facility has a spraying humidifier 9, material in dropping process is humidified, (weight of the water of ejection)/(weight of the blanking fallen)=0.015, fogdrop diameter is about 0.05mm。Light materials segregation apparatus in the solid waste provided in the present embodiment is in use, material is carried by material conveyor, material departs from conveyer belt 1 at blanking end 11 and falls, material fully scatters after blanking height 8, and enter in blanking gap 7, light materials in material is sent in the charging aperture 51 of collection bucket 5 by the wind blown out by the air outlet 11 of blower fan 4, eventually enter in the storing string bag 6, heavier material then continues to fall, enter conventional aggregate to collect and in conveying operation, it is achieved the selecting crude drugs with winnower of light materials is separated；Described conveyance conduit is the rotatable screen drum that wall has sieve aperture, and sieve aperture is rectangle, and length is 1.0cm, and width is 0.2cm。Installing rack tilts upward extension along the feed direction of conveyer belt。
By checking that in collection bucket, the content of heavy substance evaluates separating effect。In this embodiment, in the light materials of collection, the dust content such as building concrete is 1.4 weight %。
Comparative example 1
Comparative example 1 differs only in conveyance conduit without sieve aperture with embodiment。
By checking that in collection bucket, the content of heavy substance evaluates separating effect。In this comparative example, in the light materials of collection, the dust content such as building concrete is 5.2 weight %。
By the result of above-described embodiment and comparative example clearly it can be seen that the building waste light materials segregation apparatus according to the present invention has substantially better separating effect。Such effect is that institute is unanticipated in advance。
The open present invention of this written description use-case, including optimal mode, and also enables those skilled in the art manufacture and use the present invention。The present invention can the scope of granted patent be defined by the claims, and can include other example that those skilled in the art expect。If other example this has the structural element of the literal language not differing from claims, if or other example this includes the equivalent structure element without substantial differences of the literal language with claims, then other example this intention is within the scope of claims。Under not resulting in inconsistent degree, by reference by herein with reference to all references part be incorporated herein。
Claims (9)
1. the light materials segregation apparatus with screen drum, this device includes material conveyor, material conveyor includes carriage and conveyer belt, material conveyor has the blanking end fallen when tape transport puts in place for material, the end corresponding with described blanking end of described carriage is installed with installing rack, installing rack is provided with the collection bucket for the light materials in collection material and the blower fan for being blown in collection bucket by the light materials in the material fallen from described blanking end, collection bucket is provided with charging aperture, blower fan is provided with the air outlet corresponding with the charging aperture of described collection bucket, the blanking gap passed through below the blanking end of described material conveyor it is provided with for the material fallen from described blanking end between air outlet and the charging aperture of collection bucket of blower fan；Outside between described blanking end and charging aperture top edge, facility has one or more spraying humidifier, and the material in dropping process is humidified；
The end face of described charging aperture is 45 °-60 ° in the axial angle theta of inclined ramp obliquely, this inclined-plane and collection bucket；Described blower fan is arranged on installing rack operably；Described collection bucket includes the conveyance conduit of both ends open, and one end towards blower fan of described conveyance conduit is provided with described charging aperture, one end releasable connection of deviating from blower fan has the storing string bag；Described conveyance conduit is the rotatable screen drum that wall has sieve aperture。
2. segregation apparatus according to claim 1, described collection bucket is in a cylindrical shape, and its cross section is circular, oval, square or rectangle。
3. segregation apparatus according to claim 1 and 2, axially axially in parallel with described installing rack of described collection bucket。
4. according to segregation apparatus in any one of the preceding claims wherein, described material conveyor tilts upward extension along the feed direction of conveyer belt, described installing rack tilts upward extension along the feed direction of described conveyer belt, and described blower fan is positioned at the oblique upper of described collection bucket along the feed direction of described conveyer belt。
5. according to segregation apparatus in any one of the preceding claims wherein, described blower fan has installation portion, installation portion and described installing rack slidable connection so that blower fan is installed on described installing rack, installation position in the oblique upper of the air outlet of described blower fan so that leaving the assemblage gap of setting between air outlet and the installing rack of blower fan。
6., according to segregation apparatus in any one of the preceding claims wherein, there is between blanking end and the described blanking gap of described material conveyor the blanking height of setting。
7. the segregation apparatus according to minimizing dust pollution in any one of the preceding claims wherein, the charging aperture of described collection bucket is flaring structure。
8., according to segregation apparatus in any one of the preceding claims wherein, the described storing string bag is put by multiple viscose non-woven material stackings and is formed。
9. segregation apparatus according to claim 8, the plurality of viscose non-woven material layer includes a layer being made up of abrasion-resistant material。
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| CN201610166123.1A CN105689267B (en) | 2016-03-23 | 2016-03-23 | A kind of light materials separator with screen drum |
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| CN201610166123.1A CN105689267B (en) | 2016-03-23 | 2016-03-23 | A kind of light materials separator with screen drum |
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| CN105689267A true CN105689267A (en) | 2016-06-22 |
| CN105689267B CN105689267B (en) | 2018-08-14 |
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| JP2004243168A (en) * | 2003-02-12 | 2004-09-02 | Masao Fujita | Method for removing foreign matter such as wood waste from gravel |
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|---|---|
| CN105689267B (en) | 2018-08-14 |
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