CN1040254A - Divergent-centrifugal impeller and rotating machinery thereof - Google Patents
Divergent-centrifugal impeller and rotating machinery thereof Download PDFInfo
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Abstract
Divergent-centrifugal impeller and rotating machinery thereof.The invention discloses multiple divergent-centrifugal impeller, it can be used on the rotating machineries such as powder concentrator, selection by winnowing disc type deduster, dedusting fan, branch flow fan, dust suction and exhausting fan, dryer and divergent-centrifugal impeller formula water wheels.Be characterized in owing to adopted a kind of subangle dish can make impeller blade partly separate or all separate, thereby can make impeller can confess fluid stream more than two strands.Can make dry dust removal efficient reach 90～99.5%, wet dust removal efficient reaches 95～99.9%.
Fig. 1 illustrates a kind of divergent-centrifugal impeller of the present invention.
Description
The present invention relates to a kind of receded disk impeller, specifically it is a kind of rotating machinery that fluid can be split into gas stream more than two strands or flow of liquid, it can be used for powder concentrator, and all need the place of a plurality of fluids simultaneously selection by winnowing disc type deduster, dryer, Coolers, separator, feed impeller, mine ventilation, air conditioner facility, boiler etc.
Before the present invention, the Chinese invention patent publication number is the powder concentrator in the impeller type winnower with dedusting effect of GK86102345, dedusting fan, selection by winnowing disc type deduster, though the small leaf under their the selection by winnowing dish has blowing function, help separating granular material or dedusting, but got rid of granule materials to circumference by the selection by winnowing dish, can along with airflow strikes to cylinder inboard wall, equal the reflection angle track according to reference angle afterwards, to the cylindrical shell center, and have the small leaf or the impeller of blowing function this moment to granule materials, is not gas dispersion by bullet, be exactly that air-flow directly blows, can not make the granule materials of bounce-back in cylindrical shell, adherent separating influenced separation and dust removal efficiency.
Before the present invention, known centrifugal fan or their impeller, can only produce a kind of air-flow, confess a kind of air-flow, be exactly the dual suction type centrifugal blower, owing to have isometrical impeller, wide blade exit, equal blade quantity, a public blower fan outlet, so also can only produce one air-flow, confess one air-flow.
Purpose of the present invention at first is the single blowing function that overcomes below the selection by winnowing dish of impeller type winnower with dedusting effect, obtains the machinery of fluid stream function more than two strands, so propose divergent-centrifugal impeller and rotating machinery thereof.
Another object of the present invention is with known centrifugal fan impeller, is transformed into to divide air-flow, two strands of impellers with overdraught of the distinguished and admirable generation of branch, thereby can produces the branch flow fan.
The 3rd purpose of the present invention be the divergent-centrifugal impeller that utilizes as much as possible to various device, or on the relevant rotating machinery, as make dust suction and exhausting fan that drifting dust, dust suction, dust discharge use etc.
Task of the present invention is finished as follows:
At first the small leaf below the selection by winnowing dish in the impeller type winnower with dedusting effect is replaced with divergent-centrifugal impeller, for the blade exit that makes impeller can blow out, spray the air-flow more than two strands or two strands, can be separated into two or more blow-off outlets, exhaust port with the subangle dish or directly blade is divided into up and down or left and right sides two-part at blade exit with mid-game, but be waney with the separated impeller of mid-game this moment, or isometrical not wide, or isometrical wide and impeller that blade quantity does not wait.This impeller is exactly a divergent-centrifugal impeller of the present invention.When this divergent-centrifugal impeller being placed the flow blower casing or the spiral case of centrifugal fan, and produce two or more outlets accordingly, can form and to confess the above branch flow fan of two strands of air-flows.When the part of blade is placed single spiral case, another partly places given space, but but not only air draft but also can produce eddy flow wind of this minute flow fan and air inducing.When below this shunting flow blower casing with a spiral case, refilling dust shield, can also form can suction dirt suction dirt divide flow fan.
The application's object is because divergent-centrifugal impeller can blow out the air-flow of two strands of different direction, so it is used in the impeller winnowing machine, impeller type winnower with dedusting effect, dedusting fan, selection by winnowing disc type deduster, rotary separator, dryer, Coolers, delivery plate, in the time of on the powder concentrator of feed impeller or other patterns, just can will rebound to the granule materials at cylindrical shell center, at shooting point or drop point place, just being blown over the air-flow that comes by divergent-centrifugal impeller pushes down, and converge main air flow, continuation is made spiralling along the circle tube inner wall face, thereby improved the separation of granule materials, dust removal efficiency, can improve dust removal efficiency more than 3%, maybe can make material, powder evenly scatters for the powder space.Can be enough the branch flow fan made of one's duty stream impeller, can produce the different air quantity more than two strands, different blast, same output wind direction or the different blower fan of confessing the wind direction.Suction dirt with the manufacturing of this shunting impeller divides flow fan, can kick up, stirred and siphon away all constructure grounds, surface dirt or granule materials, and compact structure, and is easy to assembly.
The concrete structure of invention is provided by following embodiment and accompanying drawing thereof.
Fig. 1 illustrates first kind of divergent-centrifugal impeller of the present invention.
Fig. 2 illustrates second kind of divergent-centrifugal impeller of the present invention.
Fig. 3 illustrates the third divergent-centrifugal impeller of the present invention.
Fig. 4 illustrates the 4th kind of divergent-centrifugal impeller formula water wheels of the present invention.
Fig. 5 illustrates a kind of divergent-centrifugal impeller deduster full section schematic representation.
Fig. 6 is the A-A cross-sectional schematic of Fig. 5.
Fig. 7 illustrates a kind of divergent-centrifugal impeller deduster full section schematic representation with spat.
Fig. 8 illustrates a kind of full section schematic representation of upside-down divergent-centrifugal impeller deduster.
Fig. 9 is the A-A cross-sectional schematic of Fig. 8.
Figure 10 illustrates a kind of divergent-centrifugal impeller dryer or divergent-centrifugal impeller Coolers with feeding device.
Figure 11 illustrates a kind of divergent-centrifugal impeller separator.
Figure 12 illustrates a kind of divergent-centrifugal impeller blower fan full section schematic representation.
Figure 13 is the B-B cross-sectional schematic of Figure 12.
Figure 14 illustrates another divergent-centrifugal impeller blower fan full section schematic representation.
Figure 15 is the C-C cross-sectional schematic of Figure 14.
Figure 16 illustrates a kind of divergent-centrifugal impeller dust suction and exhausting fan.
Figure 17 illustrates a kind of single spiral case divergent-centrifugal impeller blower fan full section schematic representation.
Figure 18 is the D-D cross-sectional schematic of Figure 17.
Fig. 1 at first is contained in blade 1 or be welded on first wheel disc 2 by foregoing invention thought, secondly in order to tell two strands of air-flows, blade 1 usefulness subangle dish or mid-game 3 parts are separated or are all separated, when this impeller rotary work, blade 1 is just the same together with centrifugal blower, produce air-flow, owing to be divided into two strands of air-flows by subangle dish or mid-game 3, one can be discharged from the top outlet of blade 1, the downward air draft of one next part from blade 1, or form multi-level downward eddy flow wind at a certain angle, be based on the invention of this starting point, be exactly this shunting impeller 5, it can be in all places work, and dot and dash line is represented a plurality of projecting blades among Fig. 1.
Fig. 2 represents at this moment just must burn-on, load onto or cast out second wheel disc 4 simultaneously in the bottom of blade 1 when two strands of air-flows all need to send or make large-scale divergent-centrifugal impeller 5 by certain orientation.
Fig. 3 illustrates another divergent-centrifugal impeller 5, and it can be according to the different requirements of discharging blast, air quantity, and it is waney designing the impeller that separates with subangle dish or mid-game 3.Or blade 1 outlet is an impeller not wide, variform, that blade quantity does not wait.
Fig. 4 illustrates a kind of divergent-centrifugal impeller 5 of carrying liquid, when divergent-centrifugal impeller shown in Figure 25 is inverted, second wheel disc 4 inlet joins with hollow running shaft 7, when hollow running shaft 7 leads to the influent stream body, after divergent-centrifugal impeller 5 rotations are got up, just can pump fluid, at this moment must make the hollow section of the sum of discharge area up and down of blade 1 less than hollow running shaft 7, otherwise can not form the continuity flow of liquid, can only water dumping.
When utilizing present embodiment 1 will form a plurality of fluids stream, can increase subangle dish or mid-game 3 or perforate on wheel disc.
Embodiment 2:
Fig. 5, Fig. 6 are to be that GK86102345, China Patent No. are the selection by winnowing dish of the deduster in the ZL86202110 impeller type winnower with dedusting effect and the divergent-centrifugal impeller 5 that this impeller of small leaf has a subangle dish or mid-game 3 at least instead with the Chinese invention patent publication number, just in the cavity that running shaft 7 is formed from first cylindrical body 12 or second cylindrical body 13 pack in the top, in the middle of swirl vane 9, pass again, again divergent-centrifugal impeller 5 is contained in the lower end of running shaft 7 by wheel hub 6.The drop of application object in removing gas, when granule materials or flue dust, containing material gas 8 enters from entering the mouth, then enter swirl vane 9, it can be fixed or adjustable, certainly also it can be set, when after producing the boundary layer separation on the swirl vane 9, part material passes through material entrance 10 and drops to 11 li of setting chambers, first cylindrical body 12 is its shells, when material concentration or dust loading are little, they can be set, second cylindrical body 13 is exactly a shell, in another part, fine granular materials will drop to first wheel disc 2 above, continue to be subjected to action of centrifugal force get rid of to around, this moment, they were rotated down the effect of air-flow, meet again from the outlet of blade 1 top and blow over next air-flow, strengthened and continued to be rotated down power, simultaneously owing to multiple reason material can occur in 13 material drop point or shooting point place of second cylindrical body, just by bullet to this cylindrical body center, for preventing this point, the lower exit of blade 1, it should be the air-flow of blowing at a certain angle, should make repeatedly, verified the angle of subangle dish or mid-game 3, air-flow is just in time hit or blow to the material drop point, push down the bounce-back material, cause the strength that continues to be rotated down, various materials will be separated following in the process that continues downward eddy flow, and efficient is very high, clean clean gas or flue gas can be discharged from the outlet 15 that is positioned at the circular cavity below, and the sub-fraction air-flow flows to blade 1 from the inlet on second wheel disc 4, has formed the self-loopa air-flow.For strengthening separating effect, can also in the middle of circular cavity, be provided with sedimentation screen 14, certainly also can be not so that it to be set.If in order to sub-elect carse, medium and small particle, can install outer cone bucket, middle awl bucket, inner cone bucket respectively, but reference character is all with 16 expressions of awl bucket, be connected to discharge gate 17 below it, this mouthful sectional area should be designed into material and only can discharge by deadweight, and ambient air can not seal in, otherwise just should buy off-the-shelf air locking device or blow-off valve.
This device stands up, crouches and put, all can tiltedly put, but should change or find the position of discharge gate 17 accordingly, for example crouches when putting, and awl bucket 16 can be made the ox horn formula that is bent downwardly.
In some cases, when needing, can install multi-stage diffluence impeller 5 for certain.Also can be on known bispin stream plate dust catcher foundation, two of this device of what is to loading onto two this rotatable divergent-centrifugal impellers 5.
This device can also be taken on the task of drying or cooling material.But should increase feeding device at enter the mouth 8 places or outer casing top surface.
In addition, embodiment 2 also utilizes the divergent-centrifugal impeller 5 formula water wheels of Fig. 4 to remove to replace divergent-centrifugal impeller 5 among Fig. 5, during water flowing therein, just dry dust removal can be become wet dust removal.Also can set up water spray, overflow device in cavity, this wet type divergent-centrifugal impeller dedusting deduster dust removal efficiency can be up to 99.9%.
Embodiment 3:
The structure that Fig. 8, Fig. 9 propose is to be on the basis of ZL87206914 inverted cone cyclone dust in China Patent No., at first pack in running shaft 7 below in the cavity of first cylindrical body 12, in the middle of swirl vane 9, pass again, on running shaft 7, load onto divergent-centrifugal impeller 5 again.Also improve inlet 8 for tiltedly advancing or horizontal enters, enter to best with tangent line, when contain granule materials gas by the inlet 8 enter after, make than the earlier nearly wall of coarse granule material, enter swirl vane 9 again, produce attached separation, and pass through back taper swirl vane 9 hollow areas contain granule materials gas, hit on first wheel disc 2 of divergent-centrifugal impeller 5, granule materials is thrown toward wall, rises with the main air flow spiral.If for alleviating the load that main air flow carries granule materials, can also not draw on the material entrance 10(figure offering on second cylindrical body 13, see Fig. 5, Fig. 6), can not open yet.The main swirling eddy that rises is subjected to divergent-centrifugal impeller 5 and blows over next air-flow effect; produced accelerating force; quickened rotation; increased the centrifugal force of thin material, coarse granule material or big grain flue dust will break away from second cylindrical body 13 and fall into awl bucket 16, middle fine grained or flue dust; in the rotation uphill process; can glide along first cylindrical body, 12 perisporiums and enter awl bucket 16, discharge from discharge gate 17 at last, it is the same with embodiment 2 Fig. 5.The purpose that spat 18 is set in the middle of the cavity is to form the speedup cross section, strengthens separating effect, also has one back draught simultaneously, 18 rotations of following current line style cover enter divergent-centrifugal impeller 5 downwards, blow out again, rotation is risen again, and rotation forms the self-loopa air-flow of sealing downwards again.Certainly also spat 18 can be set.The plane of the swirl vane 9 of the divergent-centrifugal impeller deduster after this improvement and the angle of horizontal plane are 34 °-40 °, and the height of second cylindrical body 13 also can be 0.08～0.18 times of its internal diameter.
In addition, the fitted position of present embodiment 3 swirl vanes 9, can do as down conversion:
The application's object is owing to adopted divergent-centrifugal impeller 5, produced new, as the swirling eddy of relay race, strengthened separating effect, so the cone angle of swirl vane 9 can not be subjected to 100 ° restriction, the height of second cylindrical body 13 can not be subjected to the restriction of " the retainer ring height is 0.08～0.18 times of its internal diameter on the back taper " yet.The swirl vane plane of the application's object and the angle of horizontal plane can not contain 34 ° less than 34 °.Or, do not contain 40 ° greater than 40 °.The height of second cylindrical body 13 just can not contain 0.18 times greater than more than 0.18 times of its internal diameter fully, or less than 0.08 times, does not contain 0.08 times.These two kinds of upside-down divergent-centrifugal impeller dedusters, all the dust removal efficiency than inverted cone cyclone dust exceeds 1.4%, generally can reach 88.8～99.5%.
The third structure of present embodiment 3 (not having figure) is described below with reference to Fig. 8:
On the cavity of forming by first cylindrical body 12, second cylindrical body 13, have on the basis of air pipe, discharge system, below the cavity centre of cavity the inside, put into running shaft 7, again with divergent-centrifugal impeller 5 formal dress or upside-down mounting in running shaft 7 upper ends, spat 18 can be adorned in its top, can certainly not adorn.This divergent-centrifugal impeller deduster that does not have swirl vane 9, have simple in structure, cost is low, resistance is little, dust removal efficiency is advantage of higher still.This device stands up, tiltedly puts, crouches to put and all can.
Divergent-centrifugal impeller 5 among present embodiment 4 Figure 10 is divergent-centrifugal impeller 5 upside-down mountings shown in Figure 2, so that fine granular materials enters during this takes turns, obtains bigger centrifugal force, thereby strengthens drying, cooling, separating effect.Formal dress also can, the wearing and tearing that can also alleviate blade 1.All the other are with embodiment 2 Fig. 5.This machine should not and be crossed under the low temperature and work at high temperature, and water content of materiel is also unsuitable excessive, but it has characteristics such as ability to work is strong, output is big, floor space is little, cost is low.
The Chinese invention patent publication number is that the GK87102561 rotary separator is when separating fiber fines, be from waste chamber, to collect earlier, delivering to the outer cyclone separator of machine again goes to separate, equipment and cost have been increased, and being selection by winnowing disc type deduster in the ZL86202110 impeller type winnower with dedusting effect, China Patent No. can separate fiber fines and fine granular materials in inside cavity, and dust removal efficiency is higher, but the large granular materials in the outer chamber, the fine granular materials that pin chips self is subsidiary, dust etc. can not be removed, the application's object is the deficiency of the two that overcomes them, proposes a kind of divergent-centrifugal impeller deduster.
Present embodiment is achieved in that at first mixed material enters from the feeding device of feeding pipe 20 1 classes, drop on first wheel disc 2, large granular materials or pin chips are owing to be subjected to bigger centrifugal action, be thrown toward exocoel, fall into awl bucket 16, the import and export with two-phase flow under it 22 are discharged again, owing to be subjected to it and export differential pressure action between 15, ambient air is inhaled into from importing and exporting 22, in the flow process that makes progress, just can remove the fine granular materials or the dust that are attached on large granular materials or the pin chips.Fiber fines or fine granular materials are on the one hand because the centrifugal force that obtains is less, be rotated down the constraint of air-flow and the effect of divergent-centrifugal impeller 5 blades blow-off outlet blowing power about in the of 1 on the one hand, in concentric cavities or approximate concentric cavities, in following rotary course, obtain separating, and dust removal efficiency can reach 90～99.5%.
Figure 14, Figure 15 illustrate another divergent-centrifugal impeller blower fan.In the ventilator of known bilateral air inlet, the impeller of mid-game both sides is isometrical wide, the application's object proposes when making jumbo divergent-centrifugal impeller blower fan, maybe need to produce both sides and have different air quantity respectively, during the divergent-centrifugal impeller blower fan of blast, can at first divergent-centrifugal impeller 5 usefulness subangle dishes or mid-game 3 be linked up, what obviously mid-game was adopted among Figure 14 is square position rather than subangle dish, but also can make the Y type according to the needs that go out the one's intention as revealed in what one says direction, afterwards this divergent-centrifugal impeller 5 is assembled together by wheel hub 6 and running shaft 7, certainly subangle dish or mid-game 3 and wheel hub 6 are cast in good together, small-sized or mini fan, methods such as also available back of the body cap replace wheel hub 6, again this divergent-centrifugal impeller 5 is put into flow blower casing 23 at last, with demarcation strip 24 aligning subangle dishes or mid-game 3 flow blower casing 23 is separated into two-part, forms two blower fans outlets 26.During design, can occupy the both sides of blade 1 respectively, during design, can discharge the different requirements of blast, air quantity, design divergent-centrifugal impeller with the not wide blade 1 in both sides according to both sides; Or design first wheel disc 2 and second wheel disc 4 is waney divergent-centrifugal impeller; Or it is wide to design both sides blade 1, and first wheel disc 2 and second wheel disc 4 are isometrical again, but the divergent-centrifugal impeller that blade 1 quantity in both sides does not wait or shape does not wait, thereby to realize confessing different blast, air quantity, different blower fans export the branch flow fan of 26 angles.Can also carry different gas.Horizontal, the vertical layout of this machine all can.
When need multiply air-flow, can adopt a plurality of subangle dishes or mid-game 3, a plurality of demarcation strips 24.
For increasing purging power, stirring touches the fine granular materials or the dust of blade 1 bottom, the lower blade of blade 1 can make propeller-type at second wheel disc, 4 edges or the surface add and load onto bristle with elasticity and certain rigidity, silk etc., as (not illustrating on the figure) such as wire, nylon brusses, can certainly not install them additional.
For being increased in the purging power in dust shield 27 scopes, also can install guiding piece or tapered collar 31 additional on dust shield 27 inwalls, shown in Figure 16 is guide vane, makes air-flow to center flow, the following peripheral of dust shield 27 can install sealed hair 28 additional, can certainly not install them additional.
Divergent-centrifugal impeller 5 can be contained on the running shaft 7 by wheel hub 6, and wheel hub 6 can cast out together with divergent-centrifugal impeller 5, also can be tight with the back of the body cap back of the body, and 29 is unit head, for example motor etc.The inner core of flow blower casing 23 is 30, and the unit head of representing with dot and dash line among Figure 16 29 can be adorned thereon.
Technologist of the same trade after understanding the present invention, can make many deformation designs to the present invention, all belongs to the present invention.
Claims (15)
1, a kind of divergent-centrifugal impeller that can use for rotating machineries such as impeller type winnower with dedusting effect, receded disk impeller for fluid more than two strands, the blade that it is characterized in that being connected on first wheel disc 2 is separated or is all separated by one subangle dish or mid-game 3 parts of being at least on it, or during this feature of tool, blade 1 also connects with second wheel disc 4.
2, a kind of divergent-centrifugal impeller that can use for rotating machineries such as impeller type winnower with dedusting effect, receded disk impeller for fluid more than two strands, the blade that it is characterized in that being connected on first wheel disc 2 is separated or is all separated by one subangle dish or mid-game 3 parts of being at least on it, and divergent-centrifugal impeller 5 is waney, or it is isometrical not wide, or isometrical wide and blade 1 quantity or shape do not wait.
3, a kind of divergent-centrifugal impeller that can use for rotating machineries such as impeller type winnower with dedusting effect, receded disk impeller for fluid more than two strands, connect first wheel disc 2 and second wheel disc 4 by blade 1, and second wheel disc 4 inlet joins with hollow running shaft 7, it is characterized in that being equipped with on the described blade 1 subangle dish or the mid-game 3 that is at least.
4, by the described divergent-centrifugal impeller of claim 3, it is characterized in that described running shaft 7 is hollow, and communicate with the inner chamber body of divergent-centrifugal impeller 5.
5, a kind ofly be used for the divergent-centrifugal impeller deduster that dedusting, Purge gas are used, shell is arranged, inlet 8 is arranged at its top, there is running shaft 7 top in the cavity, and extends to outside the machine, and outlet 15 is drawn from cavity, the cavity bottom is a discharge system, it is characterized in that divergent-centrifugal impeller 5 is equipped with in the lower end of running shaft 7.
6, a kind ofly be used for the divergent-centrifugal impeller deduster that dedusting, Purge gas are used, shell is arranged, inlet 8 is arranged at its top, there is running shaft 7 top in the cavity, and extend to outside the machine, above first wheel disc 2, spat 18 is housed, outlet 15 is drawn from cavity, the cavity bottom is a discharge system, it is characterized in that divergent-centrifugal impeller 5 is equipped with in the lower end of described running shaft 7.
7, a kind ofly be used for the upside-down divergent-centrifugal impeller deduster that dedusting and Purge gas are used, it is made up of shell, air pipe, back taper swirl vane 9, discharge system, it is characterized in that the below has running shaft 7, bottom to extend outside the machine in the cavity downwards, divergent-centrifugal impeller 5 is equipped with in the upper end.
8, a kind ofly be used for the upside-down divergent-centrifugal impeller deduster that dedusting and Purge gas are used, it is made up of shell, air pipe, discharge system, it is characterized in that the below has running shaft 7, bottom to extend outside the machine in the cavity downwards, and divergent-centrifugal impeller 5 is equipped with in the upper end.
9, a kind of drying or cooling material divergent-centrifugal impeller dryer or Coolers of using of being used for, it is made up of shell, air pipe, feeding device, running shaft 7, discharge system, it is characterized in that on the described running shaft 7 divergent-centrifugal impeller 5 being housed also.
10, a kind of divergent-centrifugal impeller seperator that separates pin chips, large granular materials and fiber fines, fine granular materials, it is equipped with running shaft 7 above forming in cavity, the cavity by the shell and second cylindrical body 13, and extend up to outside the machine, feeding device is equipped with in first wheel disc, 2 tops, outlet 15 is equipped with in the below in the cavity, the cavity bottom is a discharge system, it is characterized in that also being equipped with on the running shaft 7 divergent-centrifugal impeller 5.
11, a kind of divergent-centrifugal impeller blower fan that can confess the multiply air-flow, it is by shell 23, running shaft 7, impeller, fans entrance and 26 compositions of blower fan outlet, described shell 23 is separated into two or more air compartments by demarcation strip 24, described blower fan outlet 26 is more than two, it is characterized in that described impeller adopts divergent-centrifugal impeller 5.
12, the divergent-centrifugal impeller dust suction and exhausting fan used of a kind of suction dirt, it is made up of flow blower casing 23 dust shields 27 and impeller, it is characterized in that described impeller adopts divergent-centrifugal impeller 5, the top of the blade 1 on its top places flow blower casing 23, and the bottom of blade 1 places dust shield 27.
13, single spiral case divergent-centrifugal impeller blower fan of using of a kind of air draught, air draft, it is made up of flow blower casing 23, running shaft 7 and impeller, it is characterized in that described impeller adopts divergent-centrifugal impeller 5, the top of the blade 1 on it places flow blower casing 23, and the bottom of blade 1 places outside the machine.
14, by claim 1,2,3,5,6,7,8,9,10,11,12,13 described divergent-centrifugal impellers, it is characterized in that subangle dish or mid-game 3 have angle, angled or flat, constituted plural fluid discharge outlet.
15, a kind of energy is characterized in that for two strands of divergent-centrifugal impellers with overdraught its can be used on divergent-centrifugal impeller deduster, upside-down divergent-centrifugal impeller deduster, divergent-centrifugal impeller dryer, divergent-centrifugal impeller cooler, divergent-centrifugal impeller separator, impeller type winnower with dedusting effect, two Gas-Rotation-Plate Dust Separator, powder concentrator, rotary separator, driving type deduster, feed impeller, blower fan, dust suction and exhausting fan or the like the equipment by structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88104798 CN1040254A (en) | 1988-08-08 | 1988-08-08 | Divergent-centrifugal impeller and rotating machinery thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88104798 CN1040254A (en) | 1988-08-08 | 1988-08-08 | Divergent-centrifugal impeller and rotating machinery thereof |
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| CN1040254A true CN1040254A (en) | 1990-03-07 |
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| CN 88104798 Pending CN1040254A (en) | 1988-08-08 | 1988-08-08 | Divergent-centrifugal impeller and rotating machinery thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104619912A (en) * | 2012-09-10 | 2015-05-13 | 福伊特专利有限公司 | Fibre sorting system |
| CN110857791A (en) * | 2018-08-23 | 2020-03-03 | 宁波方太厨具有限公司 | Range hood with current collector |
-
1988
- 1988-08-08 CN CN 88104798 patent/CN1040254A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104619912A (en) * | 2012-09-10 | 2015-05-13 | 福伊特专利有限公司 | Fibre sorting system |
| CN104619912B (en) * | 2012-09-10 | 2017-06-09 | 福伊特专利有限公司 | Fibre fractionation equipment |
| CN110857791A (en) * | 2018-08-23 | 2020-03-03 | 宁波方太厨具有限公司 | Range hood with current collector |
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