CN208711249U - A kind of cleaner for clearing the pollution off from granular materials - Google Patents

Abstract

Compact dedusting equipment guides air stream to pass through shell by being mounted on the intracorporal vacuum generator of shell.The discharge of dust and clast can be reached at a distance by conduit without losing speed air flow, in order to use compact dedusting equipment in toilet.Metering device is made of stainless steel and is mounted on the mounting plate of loading spring, to encounter the vertical movement for allowing metering device when granular materials blocking.Metering device can be driven by the low torque stepper motor that can be operated under selective gear shifting, to control the flow of granular materials.Compared with the shape of venturi region, discharge transition portion is formed to have widened cross-sectional area, so that carrying bead may return to product stream, rather than loses as dirty air is discharged.

Description

A kind of cleaner for clearing the pollution off from granular materials

Technical field

Utility model disclosed in the present application relates generally to granular materials (such as plastic beads, regrind, tablet, paddy Object, mineral etc.) cleaning and processing, and be specifically related to a kind of cleaner, compact arrangement to induce air to flow therethrough, With dust and clast that eliminating particle material carries, and provides and the dust of collection and clast are discharged into remote location to keep clean The ability of clean room state.

Background technique

It is well known that especially in the field for transporting and using granular materials (usually corase meal, particle, bead etc.) In, it is important that keep product particle to be free of pollutant as far as possible.Particulate matter is usually transported in a facility, in the facility In they will be mixed, pack or be used in capstan system, the capstan system actually generate performance is somewhat like stream The material flow of body.When these materials move through pipeline, sizable friction, Er Qie are not only generated between particle itself Also sizable friction is generated between tube wall and the particle of material flow.In turn, this friction leads to particle dust, broken Grain, villus, ribbon (streamers) (" can grow up " as the ribbon element of considerably long and winding group, the group would interfere with material The flowing of material or even completely blocking flowing) development.The characteristics of this transportation system, is well-known, and keeps product particle The importances and value without pollutant is also well-known as far as possible.

Term as used herein " pollutant " includes the crushed particles mentioned in broad range of foreign matter and leading portion, ash Dirt, villus, ribbon.Under any circumstance, pollutant is all unfavorable, and right in some cases to production high quality of products The employee of the producer is health risk, in some instances it may even be possible to be danger source, because there may be dust clouds for some pollutants, if sudden and violent It is exposed to incendiary source, it may explosion.

In view of product quality and it is absorbed in plastic with plasticity as prime example, is formed from main material different Foreign matter (such as heterogeneous material, villus and ribbon of dust, major product) not necessarily has melting identical with major product Temperature, and lead to defect when material melts and is molded.These defects cause finished color uneven, may contain bubble, and And flaw or dyeing are usually appeared to have, therefore cannot sell.Heat in injection molding machine can evaporate dust, cause micro- in finished product Small bubble.Heat can also burn dust and cause " stain ", the dust being actually carbonized.Sometimes the dust bag in machine is not It can melt, and cause the defect of commonly known as " soft spots " or " white point ".It is important to note that due to these identical unevenness Even material will not usually melt at temperature identical with major product, so unfused pollutant will lead to rubbing for moulding press Wiping and premature abrasion lead to shut-down, lost units, reduce productivity, increase maintenance and to increase whole production cost.

The U.S. of traditional granular materials dust-extraction unit, the Jerome I.Paulson of authorization in such as on July 30th, 1991 is special Disclosed in benefit 5,035,331, using the first and second cleaning decks, be formed as the inclined planar surfaces in equipment, and have There is opening for passing through forced air wherein, to pass through the granular materials along the flowing of cleaning deck.On two cleaning decks Between, granular materials passes through downstream from venturi region, the downstream from venturi region and the air duct by the granular materials on clamp down It combines, discharges dust and other pollutants upwards, be discharged with Airflow from the equipment.

In Jerome I.Paulson, the Heinz Schneider of authorization on June 3rd, 2008 and the beauty of Paul Wagner State patent No.7 in 380,670, there is the compact dedusting equipment of cleaning deck assembly back-to-back to clean deck and text by making Region doubles and provides increased capacity in mound, this requires to clean between deck assemblies equally particle distribution material at two It flows into.In United States Patent (USP) 5,035,331 and United States Patent (USP) 7,380,670, flux field be applied to the charging of granular materials with The electrostatic charge for attracting pollutant to pellets is neutralized, to enhance operation when cleaning deck separates pollutant from granular materials.

Korean company Uniceltec is developed and has been sold and submitted by Joong Soon Kim et al. on April 8th, 2013 PCT Patent Application PCT/KR2013/002924 disclosed in compact dedusting equipment.This compact dedusting equipment is through appropriate It improves to meet the needs of American market, is sold by Pelletron company as C-20 type cleaner in the U.S..Shen It asks someone to have made great further improvement to C-20 type cleaner, and it is desirable that this change is protected by present patent application Into.

The problem of finding in the presently commercially available C-20 cleaner developed by Uniceltec is to provide polyurethane (urethane) metering device is worn and engaging with granular materials, and the dust of corresponding amount is added to and wants clean In granular material stream.C-20 type cleaner have for toilet (i.e. due to the specific operation wherein carried out without allow The room of ambient dust) ability.By the pervious model of the Uniceltec this compact dedusting equipment developed in South Korea The cleaning of granular materials is provided using the vacuum generator of compressed air-driven, even if passing through dust collecting apparatus, it is also desirable to It is discharged from cleaner.This set does not allow remotely to discharge the dust collected and clast and air stream.Finally, by The cleaner of Uniceltec exploitation has that the dust of discharge and clast carry granular materials, leads to granular materials Loss.

Accordingly, it is desirable to provide a kind of compact cleaner, is able to solve the Uniceltec dedusting previously developed and sets Standby problem can especially use in toilet.

Summary of the invention

One purpose of the utility model is to provide a kind of compact dedusting equipment, for cleaning such as plastics in toilet The granular materials of bead etc, from wherein except dust and clast.

Another purpose of the utility model is to provide a kind of compact dedusting equipment, compact which solve what is previously developed The known problem of type cleaner.

One feature of the utility model is to cross compact dedusting equipment by vacuum induced air circulation.

Another of the utility model is characterized in, is sent out by the vacuum that vacuum induced air circulation crosses compact dedusting equipment Raw device is located in the shell of compact dedusting equipment, and sufficiently large to allow to be remotely located dust collecting apparatus.

One advantage of the utility model is that vacuum generator is located in the shell of cleaner, so that dust collection is set It is standby to be remotely located relative to cleaner, without reducing the air flowing by dust-extraction unit.

Another of the utility model be characterized in, the discharge between the venturi chamber in cleaner and dirty air outlet The shape of transition portion has expanded, to provide bigger cross-sectional area.

Another advantage of the utility model is that the widened cross-sectional area of transition portion is discharged for slowing down discharge transition Air flow velocity in part.

Another advantage of the utility model is that the speed air flow slowed down in the discharge transition portion of amplification allows Heavier carrying (carryover) plastic beads direction from air stream towards dirty air outlet is carried by dust and clast Clean product material outlet exits, and the dust and clast being collected simultaneously continue towards dirty air outlet.

Another of the utility model is characterized in metering device by stainless steel rather than polyurethane is formed.

Another advantage of the utility model is that stainless steel metering device will not be worn due to engaging with plastic grain, And the dust additionally measured will not be increased into granular material stream to be cleaned.

Another of the utility model is characterized in that metering device is mounted on spring-loaded mounting plate, is filled with allowing to measure It sets and is vertically moved when encountering pellets blocking.

Another feature of the utility model is, when mounting plate engages stop mechanism, the vertical movement of metering device stops, To prevent the granular materials that metering device hits the bottom plate of feed inlet and combination and destruction are flowed along bottom plate.

Another advantage of the utility model is that metering device can be operated by low-torque motor to reduce manufacture dedusting and set Standby cost.

Another advantage of the utility model is that low-torque motor can run metering device with selectable speed variable, To change the speed for the granular materials for flowing through cleaner.

Another of the utility model is characterized in that ionization needle can be mounted in compact dedusting mechanism to be filled across metering In the granular material stream set, to anion is directed on plastic beads, to isolate small dust from plastic beads Particle, in order to be cleaned in venturi chamber to it.

Another of the utility model is characterized in forcing compressed air around ionization needle, ion is pushed into and flows through ionization In the granular material stream of needle.

Another advantage of the utility model is to move into ion in granular material stream using compressed air to lead to higher number Measurer has the single bead of absorption anion, to repel dust granule and facilitate the cleaning of granular materials.

Another of the utility model is characterized in that the dust and clast that the slave granular materials of collection is removed pass through under negative pressure Conduit is discharged from compact dedusting equipment.

Another advantage of the utility model is to be leaked in discharge tube using discharge tube permission under negative pressure Without the content of discharge tube is spilt into atmosphere.

Another advantage of the utility model is that discharge tube is used to enable the cleaner in cleaning under negative pressure It is used in room.

Another purpose of the utility model is to provide a kind of compact dedusting equipment, which can be to the dust of collection It is remotely discharged with clast, structure durable, manufacture is cheap, and it is easy to maintain, it is easily assembled, and application is simple and effective.

According to the utility model, realized by providing a kind of compact dedusting equipment these and other objects, feature and Advantage, wherein guiding air stream to pass through shell by being mounted on the intracorporal vacuum generator of shell.The discharge of dust and clast can lead to It crosses conduit to reach at a distance without losing speed air flow, in order to use compact dedusting equipment in toilet.Metering Device is made of stainless steel and is mounted on spring-loaded mounting plate, to allow metering device when encountering granular materials blocking Vertical movement.Metering device can be driven by the low torque stepper motor that can be operated under selectively variable speed, to control particle The flow of material.Compared with the shape of downstream from venturi region, discharge transition portion is formed to have widened cross-sectional area, so that taking Band bead may return to product stream, rather than lose as dirty air is discharged.

Detailed description of the invention

In view of the content disclosed in detail below of the utility model, especially when read in conjunction with the accompanying drawings, the utility model it is excellent Point will become obvious, in which:

Fig. 1 is the perspective view of the compact dedusting equipment in conjunction with the utility model principle；

Fig. 2 is the side view of compact dedusting equipment shown in FIG. 1；

Fig. 3 is the main view of the compact dedusting equipment far from dust collecting apparatus；

Fig. 4 is the plan view from above of compact dedusting equipment；

Fig. 5 corresponds to the cross-sectional view of the compact dedusting equipment of the line A-A in Fig. 2；

Fig. 6 corresponds to the cross-sectional view of the compact dedusting equipment of the line B-B in Fig. 3；With

Fig. 7 is the amplification front elevation of mounting plate corresponding with the circle C in Fig. 2, and metering device is supported on the mounting plate It is upper to be used for vertical motion.

Specific embodiment

With reference to Fig. 1-7, can be seen best in conjunction with the compact dedusting equipment of the utility model principle.Compact removes It is common disclosed in the United States Patent (USP) 5,035,331 of the Jerome I.Paulson of authorization in dirt equipment utilization on June 3rd, 1991 Dedusting technology, including bypass air through downstream from venturi region, in downstream from venturi region, granular materials passes through and air is by dust and broken Bits from granular materials remove and granular materials be subjected to electromagnetism ionization, on granular materials induce anion with by bead with it is micro- Small dust granule separation.However, these known pollutant removal technology structurings in a different configuration, generally exist Joong Soon Kim et al. is described in the PCT Patent Application PCT/KR2013/002924 that on April 8th, 2013 submits.So And applicant improves Kim cleaner, this will be described in greater detail below.

Cleaner 10 is usually rectangular shape and construction.Shell 12 is preferably by durable material such as steel or cast iron shape At, and can be formed by foundry engieering.The top of shell 12 is formed with flange connector 13, and flange connector 13 can connect To the supply of granular materials, for being introduced into the feed openings 14 at 12 top of shell.Feed openings 14, which are formed with, to be tilted down Bending bottom plate 14a, guide granular material stream into metering device 15, the metering device 15, which overlays on, to be formed in bottom plate 14a The top of feed inlet 16.Metering device is the conical socket component 19 driven by step-by-step movement low-torque motor 17, the motor 17 It can be operated under selectively variable speed to control the flow that granular materials passes through feed inlet 16.Preferably, conical socket component 19 are made of stainless steel, therefore the combination of granular materials abrasion member 19 and will not generate additional dust and to be cleaned The case where grain material passes through together, this is the Conventional cone groove member 19 formed by polyurethane.

The granular materials of metering enters first Room 21 in dedusting region 20 by feed inlet 16.A series of ionization needles 25 Anion is directed on single bead by grain material when being passed down through the vertical component 22 of the first Room 21.Then granular materials encounters The bottom plate 23 tilted down, the bottom plate generate the sloping portion 24 of the first Room 21, the granular materials of ionization are directed to vertically Venturi chamber 26 in, the venturi chamber be parallel to vertical component 22 orientation, but with sloping portion 24 deviate vertical component 22.Such as As being described more detail above, clean air stream is delivered up by venturi chamber 26, so that air will promote dust Grain and fragment, both are all obviously lighter compared with the single bead of granular materials, to except dust and clast and clean granular material Material.Then the air containing dust and clast is discharged from dedusting region 20, this will be described in greater detail below.Then after cleaning Granular materials the product offtake 28 of 12 bottom of shell is passed downwardly through by gravity.

It is preferably generated by vacuum generator 30 by the air stream of venturi chamber 26, the vacuum generator 30 is installation Line vacuum dust catcher (line vac) form in the electrical shell 31 supported by shell 12, to generate through conduit 33 Air-flow, the conduit lead to the dust arrester 35 for deviateing cleaner 10 from dedusting region 20.It would be recognized by those skilled in the art that According to the construction of shell 12, the position of vacuum generator 30 can also be placed in shell 12.Conduit 33 is forming venturi chamber With 26 open communication of venturi chamber at the discharge transition chamber 26a on 26 tops, dust and broken will be loaded with from venturi chamber 26 The air of piece is drawn into conduit 33.Air is sucked venturi chamber 26 from the product offtake 28 of 12 bottom of shell by the vacuum.

Vacuum generator 30 is supplied from the compressed air for the compressed air connector 45 being connected on 12 back side of shell and is received For the compressed air of its operation, as in Figure 3-5.Compressed air stream over-voltage draught control mechanism 46 is simultaneously supplied in shell 12 In y shape connector port 47.Compressed air stream is divided into two path (not shown) by the y shape connector port 47.One flowing Path delivers compressed air to ionization needle 25, and compressed air flows around ionization needle 25, to force ion to enter through The granular material stream of the vertical component 22 of one Room 21.Second flow path delivers compressed air to vacuum generator 30, The low volume air stream of elevated pressures is converted into the high volumes of air stream of lower pressure by vacuum generator 30, is produced with passing through Air is aspirated through discharge tube 33 by raw vacuum.

It is being related to using compact dedusting equipment 10 in some cases, the mounting flange 29 of 12 bottom of shell can connect It is connected to the reception device (not shown) for receiving cleaning products.Reception device can be sealed against mounting flange 29, this will prevent Only vacuum generator 30 aspirates air by product offtake 28.It the use of compact dedusting equipment 10 is such one in toilet Kind situation, wherein reception device is sealed against lower mounting flange 29.In this case, filtering auxiliary port 34 is opened to allow Air is inhaled by being located at the clean air entrance 27 near product offtake 28, so that air will pass through product offtake 28 Into venturi chamber 26.

By the speed movement of the clean air of venturi chamber 26 moved upwards to select, which can be according to clear Clean granular materials and change, to carry dust and clast upwards, while bead being allowed to fall downwards.However, small club sometimes It is entrained in upward air stream, this is commonly known as carried.Once the air stream of entrainment, which reaches, to be had more than venturi chamber 26 The speed of the conduit 33 of small cross-sectional area, air stream increases, this has further carried carrying bead secretly.In order to make carry bead to Under fall back to product offtake 28, the discharge transition chamber 26a of venturi chamber 26 is broadened, as best illustrated in figure 5, with have than The bigger cross-sectional area of the venturi chamber 26 of 23 lower section of inclined floor, this causes the speed of air-flow to reduce, and mentions to carry bead It has supplied to be detached from the chance for carrying and falling to product offtake 28 secretly before being inhaled into conduit 33.

As best shown in fig. 6, conduit 33 extends beyond vacuum generator 30 towards dust arrester 35.Although dust arrester 35 can be with It is formed in a different configuration, including filter, washer and cyclone etc., rotation is loaded with the air of dust and clast to separate ash The compact dust arrester 35 of dirt particle and clast is effective.What isolated dust and clast was collected in 35 bottom of dust arrester can It removes in container 36, and the air cleaned is discharged by the ventilation hole 37 at 35 top of dust arrester.In some cases, for example, In toilet, it is unacceptable that clean air, which is discharged into atmosphere,.In this case, dust arrester 35 can be located at The acceptable remote location of the discharge of clean air, and conduit 33 extends to remote location.

When vacuum generator 30 positions together with dust arrester 35, such as in PCT Patent Application PCT/KR2013/002924 Described in Kim cleaner in it is known, by the speed of the air-flow of venturi chamber 26 by by dust arrester 35 and true The adverse effect that empty generator 30 is remotely disposed.Therefore, vacuum generator 30 is placed in electrical shell 31 and makes dust Device 35 can be remotely located, without inadvertently changing the air flowing across cleaner 10.For this purpose, conduit 33 is in electrical shell It is terminated at suitable distance outside body 31, so that the entry conductor 38 of dust arrester 35 may be coupled to conduit 33 and by fixture 39 It is fixed.In the case where dust arrester 35 is remotely located, fixture 39 is disconnected to allow dust arrester 35 to be positioned properly, while one section Conduit extension (not shown) interconnects between conduit 33 and entry conductor 38, and the air that will be loaded with dust and clast transports To at remotely located dust arrester 35.

For the added improvement of Kim compact dedusting equipment described in PCT Patent Application PCT/KR2013/002924 It is the offer emissive plastic glazing 40 in housing side corresponding with the position of venturi chamber 26.Emissive plastic glazing 40 be configured to The shape of the lower vertical component of the sloping portion 24 and venturi chamber 26 of first Room is corresponding, is set with allowing operator to observe dedusting Standby 10 operation so as to the flow velocity to the granular materials for being sent into the first Room 21 or passes through the air stream rate of venturi chamber 26 Adjustment appropriate is carried out, to provide effective cleaning of granular materials.Emissive plastic glazing 40 is mounted in frame 41, and passes through fastening Part 43 is fixed and is sealed on shell 12.It will be understood by those skilled in the art that sensor (not shown) it is mountable on window with The granular materials detected in dedusting region 20 is collected, this can disappearing in the granular materials cleaned by product offtake 28 When consumption process stops working.

As Fig. 2,3 and 7 best seen from, metering device 15 is mounted on the output shaft 18 of low-torque motor 17, so as to its It rotates together.Motor 17 is installed in place on the Mobile mounting board 50 outside shell 12.Mounting plate 50 is formed with vertical orientation Slit 51, fastener 53 extends through slit 51 to engage shell 12.Fastener 53 allows mounting plate 50 relative to shell 12 Vertical movement, but mounting plate 50 is not allowed to separate from the side of shell 12.Stop bracket 55 is fixedly fastened under mounting plate 50 On the shell 12 of side, and extension spring 56 interconnects stop bracket 55 and mounting plate 50 with downwardly stop bracket 55 Bias mounting plate 50.

Stop bracket 55 accommodates the thumbscrew 57 projected upwards from it, to engage the stop tab 53 on mounting plate 50. When stop tab 53 hits the upper end of thumbscrew 57, reach the extreme lower position of mounting plate 50.Thumbscrew 57 another Purpose is to provide adjusting for the positioning of the extreme lower position of mounting plate 50, the position correspond in turn conical socket component 19 relative to The extreme lower position of inclined floor 14a.Since conical socket component 19 is formed by stainless steel, conical socket component 19 and bottom should be avoided Engagement between plate 14a.However, conical socket component 19 can be located slightly above the extreme lower position of bottom plate 14a, to work as dedusting When equipment 10 is not operated, granular materials cannot pass through 19 lower section of conical socket component and entrance dedusting area domain 20.Therefore, top Mounting flange 13 may be connected to fill and supply from metering device 15 to the granular materials of the feed inlet of top mounting flange 13, and work as When cleaner is not operated, metering device 15 prevents granular materials stream from passing through dedusting region.

Mounting plate allows conical socket component 19 to be blocked in charging in granular materials and open relative to moving upwards for shell 12 It is vertically risen when in mouthfuls 14, to remove this blocking and can also be by bead, not so it is recessed may to be stuck in taper for the bead Below one slot of slot component 19, and is crushed or damaged in other ways by stainless steel conical socket component 19.In addition, for meter Amount device 15, which provides the ability vertically moved, allows motor 17 to be stepping low torque motor, can be by being connected to cleaner The power supply line 59 of 10 circuit is powered.If stainless steel conical component is placed on the present construction of Uniceltec equipment, It as a result will be that the bead of chopping leads to the electricity irregular, that more dusts, damage are removed from product in clean product Machine, the axis of fracture and since the operation of such failure cleaner is obstructed.

In operation, compact dedusting equipment 10 is positioned to receive in the feed inlet 14 being sent at the top of shell 12 Granular materials supply.This positioning, which may need for top mounting flange 13 to be connected to, provides the equipment of granular materials supply.Meter Amount device 15 is powered with rotary conic groove member 19, passes through feed inlet 16 and entrance dedusting area domain to control granular materials stream In 20.Electric power needle 25 in vertical component 22 of the pellets by being located at the first Room 21 ionizes.Then the bead ionized It falls on inclined floor 23, to guide bead to enter venturi chamber 26, passes through the sky that product offtake 28 flows up there Air-flow removes dust granule and clast from bead, so that clean bead can continue downwards to fall and lead to by gravity Cross product offtake 28.

The air for being loaded with dust and clast continues up the top for flowing to the discharge transition chamber 26a positioned at venturi chamber 26 Discharge tube 33.Between the lower vertical component and discharge tube 33 of venturi chamber 26, the discharge transition chamber of venturi chamber 26 The size and cross-sectional area of 26a expand so that the speed of air-flow reduces, with allow to carry bead immigration discharge tube 33 it It falls off in the preceding entrainment from air-flow.The air for being loaded with dust and clast continues through the arrival dust arrester 35 of vacuum generator 30, The dust arrester 35 may be remotely located and be connected to the conduit 33 by refill conduit (not shown).Due to vacuum generator 30 are located in electrical shell 31, therefore dust arrester 35 can be positioned far from cleaner 10, without making through venturi chamber 26 Air stream deteriorates.

Conical socket component 19 is formed by stainless steel to prevent the abrasion due to caused by engaging with granular materials, using normal Rule polyurethane member, which has been notified, to be caused to wear.Metering device 15 passes through spring-loaded by the extension spring 56 towards extreme lower position Mounting plate 50 is installed to vertically move.The regulating mechanism of 55 form of stop bracket, wherein adjustable thumbscrew 57 is accommodated, Allow to be selectively adjusted the extreme lower position of metering device 15, so that stainless steel conical socket component 19 will be relative to feed inlet 14 Bending inclined floor 14a positioning.

Upper mounting flange 13 so construction, so that upper mounting flange 13 does not cover feed openings 14, do not provide for collecting The structure of granular materials and the operating efficiency for not detracting cleaner 10.Shell 12 has opening, by being mounted on frame 41 In and by fastener 43 be fixed to shell 12 on emissive plastic glazing 40 cover, allow operator to observe dedusting region 20 Operation and carry out operation adjusting as needed.Instantly when mounting flange 29 is sealed relative to reception device (not shown), cleaning Air stream can extend adjacent to product offtake from the side of shell 12 by clean air entrance 27, clean air entrance 27 Opening in the 28 lower mounting flange, is inhaled into air by clean air entrance 27, is then passed upwardly through Product offtake 28 is to fill venturi chamber 26 and from granular materials except dust and clast.

It is understood that those skilled in the art upon reading this disclosure can be in the principle of the scope of the utility model Inside expect and makes for details, material, step and the component for being used to explain the utility model property for having been described and showing The change of arrangement.The description of front illustrates preferred embodiments of the present invention；However, the concept based on the description can be It is used in other embodiment, without departing from the scope of the utility model.Therefore, following following claims be intended to widely and with The concrete form shown protects the utility model.

Claims (24)

1. a kind of cleaner for clearing the pollution off from granular materials characterized by comprising

Shell is limited for from the dedusting region of granular materials removal pollutant and with product offtake；

Motor, on a mounting board, the mounting plate is configured to can be moved vertically relative to the shell, and the mounting plate can for installation It is engaged with the adjustable stopper element for the extreme lower position for limiting the mounting plate；

Feed openings, positioned at the top of the shell to receive granular materials supply, the feed openings include inclined floor with Granular materials is directed downwards onto feed inlet；

Metering device in the feed openings and can be operated to control the granular material stream by the feed inlet, institute Stating metering device includes the cone-shaped component being formed by stainless steel, and is mounted on the output shaft of the motor, so that the taper Component can utilize the motor vertical adjusting, so that its extreme lower position can be located at the upper of the inclined floor of the feed openings Side；

Venturi chamber, is positioned to receive the granular materials across the feed inlet, and by flow through upwards product offtake into The air stream for entering venturi chamber removes dust and clast from granular materials, while clean granular materials is fallen by product offtake Under；With

Discharge tube is located above venturi chamber, is loaded with dust and clast for receiving from what the venturi chamber moved up Air, be loaded with the air of dust and clast far from the dedusting region described in the discharge tube is mobile.

2. cleaner as described in claim 1, which is characterized in that the stopper element is a thumbscrew, installation In a stop bracket, the stop bracket is fixed on the shell below the mounting plate, and extension spring makes described Mounting plate and the stop bracket are connected with each other, and are engaged with the position of mounting plate described in bias with the thumbscrew.

3. cleaner as described in claim 1, which is characterized in that by the fixation for being mounted relative to the cleaner The vacuum generator of position causes the air stream by venturi chamber, and the vacuum generator and the discharge tube flow Connection aspirates air to pass through the venturi chamber from the product offtake and enter the discharge tube.

4. cleaner as claimed in claim 3 further includes being in fluid communication with the venturi chamber and the discharge tube And the discharge transition chamber between the venturi chamber and the discharge tube, the discharge transition chamber have than the discharge Venturi chamber below transition chamber and the bigger cross-sectional area of the discharge tube above the discharge transition chamber, so that institute Stating air stream reduces speed before entering the discharge tube.

5. cleaner as claimed in claim 4, wherein the shell limits a secondary air scoop, the auxiliary is clear Clean air scoop be selectively opened so that by the air stream of the shell pass through the opening of the neighbouring product offtake from It opens, to be inhaled from the outside of the shell by the product offtake when the product offtake is sealed against air Fashionable, the secondary air scoop can be opened to provide clean air source from the external of the shell.

6. cleaner as described in claim 1, wherein the dedusting area domain further includes the first Room, first Room includes hanging down Straight part and sloping portion, the vertical component and the feed inlet are in fluid communication to receive from it granular materials, the inclination Part includes inclined floor, is engaged through the granular materials that the vertical component is fallen, and granular materials transverse guidance is arrived In the venturi chamber.

7. cleaner as claimed in claim 6, wherein the vertical component of first Room includes being mounted on its side wall In ionization needle, to generate anion on the granular materials, to dust granule be separated with bead, in order in Wen Qiu In room from the bead remove the dust granule.

8. a kind of cleaner for clearing the pollution off from granular materials characterized by comprising

Shell limits the dedusting region for removing pollutant from granular materials；

Feed openings, positioned at the top of the shell to receive granular materials supply, the feed openings include inclined floor with Granular materials is directed downwards onto feed inlet；

Metering device in the feed openings and can be operated to control the granular material stream by the feed inlet；

Venturi chamber, is positioned to receive the granular materials across the feed inlet, and by pass upward through product offtake into The air stream for entering venturi chamber removes dust and clast from granular materials, while clean granular materials is fallen by product offtake Under；With

Discharge tube is located above venturi chamber, is loaded with dust and clast for receiving from what the venturi chamber moved up Air, be loaded with the air of dust and clast far from the dedusting region described in the discharge tube is mobile；

Discharge transition chamber, between the venturi chamber and the discharge tube and with the venturi chamber and the discharge Conduit is in fluid communication, and the discharge transition chamber has the cross-sectional area greater than the venturi chamber or the discharge tube, with The air stream from the venturi chamber is set to generate speed decline before entering the discharge tube.

9. cleaner as claimed in claim 8, wherein opposite by being mounted on by the air stream of the venturi chamber Vacuum generator in the fixation position of the cleaner causes, and the vacuum generator and discharge tube flowing connect It is logical, air is sucked into the discharge tube by the venturi chamber and the discharge transition chamber from product offtake.

10. cleaner as claimed in claim 9, wherein the shell limits a secondary air scoop, the auxiliary Clean air mouth is selectively opened so that the air stream for passing through the shell passes through the opening of the neighbouring product offtake It leaves, to pass through the product offtake quilt from the outside of the shell when the product offtake is sealed against air When sucking, the secondary air scoop can be opened to provide clean air source from the external of the shell.

11. cleaner as claimed in claim 8, wherein the dedusting area domain further includes the first Room, first Room includes Vertical component and sloping portion, the vertical component and the feed inlet are in fluid communication to receive from it granular materials, described to incline Inclined portion point includes inclined floor, is engaged through the granular materials that the vertical component is fallen, and by granular materials transverse guidance Into the venturi chamber.

12. cleaner as claimed in claim 11, wherein the vertical component of first Room includes being mounted on its side Ionization needle in wall, to generate anion on the granular materials, to dust granule be separated with bead, in order in text Room removes the dust granule from the bead in mound.

13. cleaner as claimed in claim 8, wherein the metering device includes being formed by stainless steel and vertically adjustable Cone-shaped component so that its extreme lower position can be located at the feed inlet the inclined floor above.

14. cleaner as claimed in claim 13, wherein the cone-shaped component is mounted on the output shaft of motor, the electricity Machine is installed on a mounting board, and the mounting plate is configured to, the mounting plate and adjustable vertically movable relative to the shell Stopper element is engageable, and stopper element limits the extreme lower position of the mounting plate and limits the corresponding of the cone-shaped component in turn Extreme lower position.

15. cleaner as claimed in claim 14, which is characterized in that the stopper element is one and is mounted on stop bracket On thumbscrew, the stop bracket is fixed on the shell below the mounting plate, and extension spring makes the installation Plate and the stop bracket are connected with each other, and are engaged the position of the mounting plate with the thumbscrew with bias.

16. a kind of cleaner for clearing the pollution off from granular materials characterized by comprising

Shell limits the dedusting region for removing pollutant from granular materials；

Feed openings, positioned at the top of the shell to receive granular materials supply, the feed openings include inclined floor with Granular materials is directed downwards onto feed inlet；

Metering device in the feed openings and can be operated to control the granular material stream by the feed inlet；

Venturi chamber, is positioned to receive the granular materials across the feed inlet, and by pass upward through product offtake into The air stream for entering venturi chamber removes dust and clast from granular materials, while clean granular materials is fallen by product offtake Under；With

Discharge tube is located above venturi chamber, is loaded with dust and clast for receiving from what the venturi chamber moved up Air, be loaded with the air of dust and clast far from the dedusting region described in the discharge tube is mobile；

Vacuum generator, is mounted relative to the fixation position of the cleaner, and the vacuum generator is led with the discharge Pipe is in fluid communication, and air is sucked the discharge tube by the venturi chamber from the product offtake；

The discharge tube outside dust arrester, with the vacuum generator is in fluid communication, by extending the discharge tube To the dust arrester, the dust arrester can be positioned on the air flow velocity that required position passes through the venturi chamber without reducing； With

Discharge transition chamber, between the venturi chamber and the discharge tube and with the venturi chamber and the discharge Conduit is in fluid communication, and the discharge transition chamber has on the venturi chamber being greater than below discharge transition chamber or discharge transition chamber The cross-sectional area of the discharge tube of side, so that the air stream reduces speed before entering the discharge tube.

17. cleaner as claimed in claim 16, wherein the shell limits a secondary air scoop, the auxiliary Clean air mouth is selectively opened so that by the air stream of the shell via the opening adjacent to the product offtake It leaves, to pass through the product offtake quilt from the outside of the shell when the product offtake is sealed against air When sucking, the secondary air scoop can be opened to provide clean air source from the external of the shell.

18. cleaner as claimed in claim 16, wherein the metering device includes being formed by stainless steel and can vertically adjusting The cone-shaped component of section, so that its extreme lower position can be located above the inclined floor of the feed inlet.

19. cleaner as claimed in claim 18, wherein the cone-shaped component is mounted on the output shaft of motor, the electricity Machine is installed on a mounting board, the mounting plate be configured to it is vertically movable relative to the shell, the mounting plate can with it is adjustable Stopper element engagement is saved, the stopper element limits the extreme lower position of the mounting plate and limits the cone-shaped component in turn Corresponding extreme lower position.

20. cleaner as claimed in claim 19, wherein the stopper element is the butterfly being mounted on stop bracket Shape screw, the stop bracket are fixed on the shell below the mounting plate, and extension spring makes the mounting plate and institute Stop bracket interconnection is stated, is engaged with the position of mounting plate described in bias with the thumbscrew.

21. a kind of cleaner for clearing the pollution off from granular materials characterized by comprising

Shell is limited for from the dedusting region of granular materials removal pollutant and with product offtake；

Feed openings, positioned at the top of the shell to receive granular materials supply, the feed openings include inclined floor with Granular materials is directed downwards onto feed inlet；

Venturi chamber, is positioned to receive the granular materials across the feed inlet, and by pass upward through product offtake into The air stream for entering venturi chamber removes dust and clast from granular materials, while clean granular materials is fallen by product offtake Under；With

At least one ionization needle is mounted in the side wall of the shell, is located at below the feed inlet, with by it is described into Anion is induced on the granular materials of material mouth, to promote dust granule to separate with bead, in order in the venturi chamber The dust granule is removed from the bead；With

Discharge tube is located above venturi chamber, is loaded with dust and clast for receiving from what the venturi chamber moved up Air, be loaded with the air of dust and clast far from the dedusting region described in the discharge tube is mobile.

22. cleaner as claimed in claim 21 further includes the metering device in the feed openings, the metering Device can be operated to control through the granular material stream of the feed inlet, and the metering device is including being formed by stainless steel and can The cone-shaped component of vertical adjusting, so that its extreme lower position can be located above the inclined floor of the feed inlet.

23. cleaner as claimed in claim 22, wherein the cone-shaped component is mounted on the output shaft of motor, the electricity Machine is installed on a mounting board, and the mounting plate is configured to, the mounting plate and adjustable vertically movable relative to the shell Stopper element is engageable, and the stopper element limits the extreme lower position of the mounting plate and limits the cone-shaped component in turn Corresponding extreme lower position.

24. cleaner as claimed in claim 21, wherein the shell limits a secondary air scoop, the auxiliary Clean air mouth is selectively opened so as to pass through the opening of the neighbouring product offtake by the air stream of the shell It leaves, to pass through the product offtake quilt from the outside of the shell when the product offtake is sealed against air When sucking, the secondary air scoop can be opened to provide clean air source from the external of the shell.