CN209348264U - A kind of industrial centrifugal deduster - Google Patents

Abstract

The utility model relates to a kind of industrial centrifugal dedusters, including machine barrel, the lower end of machine barrel is equipped with wind inlet section, upper end is equipped with exhaustion section, is equipped with rotor along the axis of machine barrel, is successively arranged intake air impeller, centrifugation dust trapping device and air draft impeller along airflow direction on the central axis of rotor, intake air impeller is located in wind inlet section, centrifugation dust trapping device is located in machine barrel, and air draft impeller is located in exhaustion section, is tangentially connected with machine barrel dust-exhausting port on the top circumference of machine barrel.Centrifugation dust trapping device include it is multiple equidistantly arrange catch dirt ring, respectively catching dirt ring is respectively up big and down small conial ring shape, and the up or down end face for respectively catching dirt ring is evenly distributed with a plurality of fin radially extended, and each fin is pressed respectively against adjacent catch on dirt ring；The inner edge for respectively catching dirt ring is separately fixed on center bearing bracket, and the lower end of center bearing bracket is fixedly connected with the back side of intake air impeller, and the upper end of center bearing bracket is fixed on center shaft.The deduster it is high-efficient, manufacturing cost and operation energy consumption are low, and convenient for safeguarding.

Description

A kind of industrial centrifugal deduster

Technical field

The utility model relates to a kind of deduster, in particular to fine droplet and small solid granulates in a kind of separation air Industrial centrifugal deduster, belong to technical field of dust removal equipment.

Background technique

Can be generated in many production active procedures a large amount of dust and containing wet dust-laden exhaust gas, especially dust-laden containing wet exhaust gas compared with It is difficult, different degrees of harm is brought to environment and periphery personnel, it is therefore desirable to dust suction cleaner is equipped with, to avoid to work Industry area and external environment pollute.

Conventional dedusting method has gravitational dust collection, cyclone dust removal, wet dedusting, bag-type dust and electrostatic precipitation etc. at present. Wherein gravitational precipitator: taking up a large area, and initial stage input cost is high, and only effective to 50 μm of particles are greater than, overall dedusting effect Fruit is bad, frequently as pre- dedusting.

Cyclone dust collectors: since cyclone dust collectors are by grit inertial separation, efficiency of dust collection is directly proportional to partial size, partial size Big good dedusting effect, the dust of general 20 microns of processing or more, efficiency of dust collection is 70%~90%；The effect of dedusting in many instances Fruit can not reach emission request, also use frequently as pre-duster.

Hydrofilter: better dust removal effect, but water consumption is big, and row's tube cell line is longer, takes up a large area, while can generate Waste water, when containing organic matter especially in dust, waste water is easily smelly, and waste water needs to handle, and invests larger.

Bag filter: the deduster is using widely, and dust removing effects are also fine, but equipment investment is big, maintenance cost Height, cloth bag are easily damaged due to vibrating and rubbing in use, and when handling high humility exhaust gas, cloth bag is easy blocking, and And windage is big, energy consumption is high；Fire is easily caused when handling high-temperature tail gas.

Electrostatic precipitator: this method is that dust is ionized into positive and negative ion under high voltage electric field effect to be adsorbed on electrode On, dust is collected by the method for rapping.This deduster volume is big, and during electric precipitation, required voltage is very high, consumption Electricity it is also very big, the exhaust gas containing combustibles can not be handled.

As it can be seen that the generally existing investment of conventional use of cleaner at present is high, resistance is big, operating cost is high, efficiency of dust collection The problems such as low.For Processing Firm, the dust-extraction unit of a kind of simple possible and high dust collection efficiency is needed, is avoided to environment and week Side personnel damage.

Utility model content

The purpose of this utility model is that overcoming problems of the prior art, a kind of industrial centrifugal deduster is provided, High dust collection efficiency, manufacturing cost and operation energy consumption are low, and convenient for safeguarding.

In order to solve the above technical problems, a kind of industrial centrifugal deduster of the utility model, including machine barrel, the machine barrel Lower end is equipped with wind inlet section, and upper end is equipped with exhaustion section, rotor is equipped with along the axis of machine barrel, along air-flow on the central axis of the rotor Direction is successively arranged intake air impeller, centrifugation dust trapping device and air draft impeller, the intake air impeller and is located in wind inlet section, the centrifugation Dust trapping device is located in machine barrel, and the air draft impeller is located in exhaustion section, is tangentially connected on the top circumference of the machine barrel Machine barrel dust-exhausting port.

Compared with the existing technology, the utility model achieves following the utility model has the advantages that central axis drives intake air impeller, centrifugation to catch Dirt device and air draft impeller high speed rotation, the suction force that intake air impeller generates makes dusty gas enter wind inlet section, through intake air impeller After acceleration, dusty gas is axiallyed upward while rotating to be flowed, and into machine barrel inner cavity and flows through centrifugation dust trapping device, centrifugation Cricoid sedimentation chamber is formed between the outer rim and machine tube inner wall of dust trapping device, in the case where the rotation of centrifugation dust trapping device drives, dust-laden Gas carries out high speed circular motion, generates huge centrifugal force, the small solid granulates or droplet in dusty gas are being centrifuged Sedimentation chamber is dumped under the action of power, finally from the circumference of machine barrel top machine barrel dust-exhausting port discharge, clean gas pass through from Heart dust trapping device, which continues up, flows into exhaustion section, is discharged under the action of air draft impeller from the upper port of exhaustion section.This reality In novel, gas successively passes through intake air impeller, centrifugation dust trapping device and air draft impeller, and turning for circular motion is generated in machine barrel Fast high, centrifugal force is big, the good separating effect of dust and gas, high dust collection efficiency.

As the improvement of the utility model, it is described centrifugation dust trapping device include it is multiple along machine barrel axially equidistantly arrange catch Dirt ring, respectively catching dirt ring is respectively up big and down small conial ring shape.Respectively catching dirt ring follows central axis synchronous with identical angular velocity omega Rotation；The spacing h between dirt ring is only several points of sedimentation chamber overall height H one is respectively caught, respectively catches dirt ring in up big and down small circle Conical ring shape, dusty gas catch that the gap between dirt ring is centripetal to flow downward along adjacent two, on the one hand avoid generating short stream, another party Dusty complexion angstrom only need to be to reach the conical walls for catching dirt ring by very short distance, and realization is separated with the primary of gas, is greatly accelerated The speed of sedimentation separation.In addition, distance catches the remoter gas of dirt ring and catches the speed difference of dirt ring more when catching dirt ring high speed rotation Greatly, since adjacent two catch the spacing very little between dirt ring in the utility model, the high speed rotation for catching dirt ring can be driven in gap Gas with the rotation of almost identical with dirt ring is caught angular velocity omega, the angular velocity omega of gas rotating is bigger, and the centrifugal force of generation is got over Greatly, dust is more easily separated away due to the effect of inertia and centrifugal force, and efficiency of dust collection is higher.

Respectively catch the upper surface of dirt ring as a further improvement of the utility model, or lower end surface be evenly distributed with it is a plurality of along diameter Dirt ring convex rib is caught to extension, dirt ring convex rib is respectively caught and is pressed respectively against adjacent catch on dirt ring；The inner edge for respectively catching dirt ring is fixed respectively On center bearing bracket, the center bearing bracket is fixed on center shaft or is fixed between intake air impeller and air draft impeller.Respectively catch dirt Ring set forms piece pile structure outside center bearing bracket；Respectively catch dirt ring convex rib be pressed in it is adjacent catch on dirt ring, realize and respectively catch dirt ring Axially position, and ensure that the adjacent spacing caught between dirt ring is equal.

The center bearing bracket includes closed central tube as a further improvement of the utility model, the central tube Periphery is evenly distributed with the radial outwardly extending central tube disc of multiple tracks, and the lower end of each central tube is fixedly connected on air inlet leaf The back side of wheel；The inner edge respectively caught the periphery that dirt ring set is mounted in central tube disc, and respectively catch dirt ring is equipped at least one edge and catches dirt ring What fin axis was recessed inwardly catches dirt ring caulking groove, and the central tube disc accordingly widened is caught in dirt ring caulking groove embedded in described, in remaining The outer rim of heart cylinder disc abuts against the inner edge for catching dirt ring.Each central tube disc provides support, and adjacent center respectively to catch dirt ring The channel that clean gas flows up is formed between cylinder disc.The lower port of central tube can be fixed on by bracket lower flange into In the flange collar at the fan blade back side, it can also be directly welded at the back side of intake air impeller, both increased the rigidity and intensity of the two, and Axially position is realized jointly.Widen one, a pair of, two pairs or multipair central tube disc be embedded in that catch dirt ring accordingly embedding respectively In slot, the radial positioning for respectively catching dirt ring on center bearing bracket is realized, it is ensured that respectively catching will not occur between dirt ring and center bearing bracket It relatively rotates.

Respectively catch as a further improvement of the utility model, dirt ring outer rim be evenly distributed with it is multiple to axis direction be recessed Catch dirt ring external groove, be evenly distributed on the excircle of the intake air impeller it is multiple to axis direction be recessed intake air impellers outside Groove.It is deposited in and catches dust on dirt ring under the influence of centrifugal force, be gathered in the root for catching dirt ring convex rib and along catching dirt ring convex Rib centrifugation is displaced outwardly；Gas be directly entered from respectively catching dirt ring external groove adjacent two catch gap between dirt ring and it is centripetal downwards Flowing, not only greatly reduce in the resistance for catching dirt ring outer rim turning, although and with the moving direction of dust on the contrary, It is non-interference on path, it reduces windage and further increases dust removing effects.Similarly air-flow can be at each intake air impeller external groove It directly turns round and is upwardly into machine barrel inner cavity, reduce air-flow with from the interference for catching grey ring discharge dust, improve separative efficiency.

Sealing change is installed as a further improvement of the utility model, the sealing change is located on the rotor Between the centrifugation dust trapping device and the air draft impeller, it is described sealing change outer rim close to the machine barrel inner wall, it is described Change is sealed in up big and down small coniform, the upper surface for sealing change is evenly distributed with multiple change blades.On catching dirt ring Side's installation sealing change, can prevent the dust of sedimentation chamber from being upwardly into exhaustion section, avoid being upwardly into row along center drum outer wall The pure air of wind section is contaminated again.Each change blade is generated along blade with sealing change rotation to the gas in outer rim direction Stream more efficiently prevents dust from reaching the upper surface of sealing change or the upper surface centripetal flow along sealing change.

It is set between the air draft impeller and the change blade of the sealing change as a further improvement of the utility model, There is fixed wind loop, the inner edge of the wind loop extends to central axis direction.The inner edge of wind loop is deeply inserted into close to air draft The position of impeller center seat, similar mazy sealing structure formed here first, next makes the upper surface of wind loop and row It keeps sufficiently small gap, keeping sufficiently small between the lower end surface of wind loop and the change blade for sealing change between fan blade Gap will not collide during operation, while small―gap suture can reduce the amount that pure air is back in machine barrel again, the row of reduction The loss of fan blade processing air quantity；Due to sealing the pump action of change, centripetal air-flow can be generated in the upper surface of wind loop, The lower end surface of wind loop is the outside air-flow of centrifugation, thoroughly prevents a possibility that dust leaks out from there.

It is each as a further improvement of the utility model, described to catch dirt boxing and connect, rivet or other way is fixedly connected On center bearing bracket, the center bearing bracket includes closed central tube, and the central tube is fixed on the rotor.Respectively catch dirt ring It is fixedly connected with center bearing bracket, forms the equal whole pile structure of spacing and be also convenient for pacifying convenient for correcting the dynamic balancing of rotor outside machine Dress and maintenance.

The central upper portion of the exhaustion section is equipped with exhaustion section centre mount as a further improvement of the utility model, described The upper end of central axis is fixed in exhaustion section centre mount by bearing, the periphery of the exhaustion section centre mount and exhaustion section inner wall it Between multiple air draft guide vanes are distributed with.Air draft guide vane both plays the role of reinforcing rib, improves the strong of exhaustion section centre mount Degree, to carry the weight of top motor and entire rotor；Water conservancy diversion can be carried out to air draft again, reduce flow resistance, make air draft edge It flows axially upwards.

As a further improvement of the utility model, the top barrel of the wind inlet section in up big and down small cone and with The outer rim of intake air impeller matches, and the lower part of the wind inlet section is cylindrical and center is equipped with wind inlet section centre mount, the air inlet The periphery of section centre mount enters the wind guide vane by multiple tracks and is connected with the cylindrical wall of wind inlet section, and the lower end of the central axis passes through axis It holds and is supported on the wind inlet section centre mount.When air-flow enters wind inlet section, the guiding of air inlet guide vane is first passed through, is generated certain Rotation speed, the energy consumption of intake air impeller can be reduced；The effect that guide vane also functions to reinforcing rib is entered the wind simultaneously, improves air inlet The bonding strength of section and wind inlet section centre mount.

Detailed description of the invention

Utility model will be further described in detail below with reference to the attached drawings and specific embodiments, and attached drawing only provides ginseng It examines and illustrates to use, it is non-to limit the utility model.

Fig. 1 is the main view of the utility model industrial centrifugal deduster embodiment one.

Fig. 2 is the exploded perspective figure of Fig. 1.

Fig. 3 is the enlarged drawing that dirt ring and center bearing bracket position are caught in Fig. 2.

Fig. 4 is the main view of the utility model use state one.

Fig. 5 is the perspective view of Fig. 4.

Fig. 6 is the partial enlarged view at the position A in Fig. 5.

Fig. 7 is the main view of the utility model use state two.

Fig. 8 is the main view of the utility model industrial centrifugal deduster embodiment two.

In figure: 1. machine barrels；1a. sedimentation chamber；1b. machine barrel dust-exhausting port；2. wind inlet section；2a. wind inlet section centre mount；2b. air inlet Guide vane；2c. pod；3. intake air impeller；3a. intake air impeller external groove；4. central axis；4a. shaft coupling；5. exhaustion section； 5a. exhaustion section centre mount；5b. air draft guide vane；5c. protective net；6. air draft impeller；Overlap in 6a. air draft impeller；6b. row Fan blade centre mount；7. catching dirt ring；7a. catches dirt ring convex rib；7b. catches dirt ring caulking groove；7c. catches dirt ring external groove；8. center bearing bracket； 8a. central tube；8b. central tube disc；8c. bracket lower flange；Flange in 8d. bracket；8e. bracket upper flange；9. sealing change； 9a. change blade；10. wind loop；10a. wind loop flange；11. motor；12. cyclone；13. connecting air hose；14. exhaust gas wind Pipe.

Specific embodiment

In being described below of the utility model, term " on ", "lower", "front", "rear", "left", "right", "inner", "outside" The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, and being merely for convenience of description, this is practical new Type and simplified description, without referring to that system must have a particular orientation.

As shown in Figure 1 to Figure 3, the industrial centrifugal deduster of the utility model includes sequentially connected wind inlet section 2, machine barrel 1 With exhaustion section 5, wind inlet section 2 is connected to the lower end of machine barrel 1, is equipped with rotor, edge on the central axis 4 of rotor along the axis of machine barrel 1 Airflow direction is successively arranged intake air impeller 3, centrifugation dust trapping device and air draft impeller 6, intake air impeller 3 and is located in wind inlet section 2, is centrifuged Dust trapping device is located in machine barrel 1, and air draft impeller 6 is located in exhaustion section 5, and the outlet of exhaustion section 5 is equipped with motor 11, motor 11 Output end is connected by shaft coupling 4a with the upper end of central axis 4.It is centrifuged between the outer rim and machine tube inner wall of dust trapping device and is equipped with ring The sedimentation chamber 1a of shape is tangentially connected with machine barrel dust-exhausting port 1b on the top circumference of machine barrel 1.

Central axis 4 drives intake air impeller 3, centrifugation dust trapping device and 6 high speed rotation of air draft impeller, what intake air impeller 3 generated Suction force makes dusty gas enter wind inlet section 2, and after the acceleration of intake air impeller 3, dusty gas is axiallyed upward while rotating Flowing, into 1 inner cavity of machine barrel and flows through centrifugation dust trapping device, and in the case where the rotation of centrifugation dust trapping device drives, dusty gas is carried out High speed circular motion generates huge centrifugal force, effect of the small solid granulates or droplet in dusty gas in centrifugal force Under be dumped into sedimentation chamber 1a, finally from 1 top circumference of end, that is, machine barrel of air-flow direction of advance machine barrel dust-exhausting port 1b discharge, Clean gas continues up across centrifugation dust trapping device and flows into exhaustion section 5, from exhaustion section under the action of air draft impeller 6 5 upper port discharge.In the utility model, gas successively passes through intake air impeller 3, centrifugation dust trapping device and air draft impeller 6, in machine The revolving speed that circular motion is generated in cylinder 1 is high, and centrifugal force is big, the good separating effect of dust and gas, high dust collection efficiency.

Centrifugation dust trapping device include it is multiple catch dirt ring 7 along what machine barrel axially equidistantly arranged, it is respectively upper big for respectively catching dirt ring 7 Under small conial ring shape.

As shown in Figure 1, respectively catching dirt ring 7 can be piece pile structure, the upper surface or lower end surface for respectively catching dirt ring 7 can uniformly be divided Be furnished with it is a plurality of radially extend catch dirt ring convex rib 7a, respectively catch dirt ring convex rib 7a and be pressed respectively against adjacent catch on dirt ring；Respectively catch dirt ring 7 Inner edge be separately fixed on center bearing bracket 8, the lower end of center bearing bracket 8 is fixedly connected with the back side of intake air impeller 3, center bearing bracket 8 upper end center is fixed on central axis 4.Respectively catching dirt ring 7 can be sleeved on outside center bearing bracket 8, respectively catch dirt ring convex rib 7a and be pressed in It is adjacent to catch on dirt ring, the axially position for respectively catching dirt ring 7 is realized, and ensure that the adjacent spacing caught between dirt ring 7 is equal.

Center bearing bracket 8 be fixed on central axis 4 make central axis 4 rotate when, center bearing bracket 8 drive catch dirt ring 7 respectively with phase Same angular velocity omega synchronous rotary；The spacing h between dirt ring 7 is only several points of sedimentation chamber 1a overall height H one is respectively caught, is respectively caught Dirt ring 7 is in up big and down small conial ring shape, and dusty gas catches that the gap between dirt ring 7 is centripetal to flow downward along adjacent two, a side Face avoids generating short stream, and another aspect dust only need to be to reach the conical walls for catching dirt ring 7 by very short distance, realization and gas Primary separation, greatly accelerate the speed of sedimentation separation.

In addition, when catching dirt 7 high speed rotation of ring, it is bigger with the speed difference of catching dirt ring 7 that distance catches the remoter gas of dirt ring 7, Since adjacent two catch the spacing very little between dirt ring 7 in the utility model, the high speed rotation for catching dirt ring 7 can be driven in gap Gas is with almost angular velocity omega rotation identical with dirt ring 7 is caught, and the angular velocity omega of gas rotating is bigger, and the centrifugal force of generation is got over Greatly, dust is more easily separated away due to the effect of inertia and centrifugal force, and efficiency of dust collection is higher.

Center bearing bracket 8 includes closed central tube 8a, gradually can amplify to form horn mouth below the middle part of central tube 8a Shape, the periphery of central tube 8a are evenly distributed with the radial outwardly extending central tube disc 8b of multiple tracks, each central tube disc 8b Lower edge and the lower port of central tube 8a be both connected on bracket lower flange 8c, bracket lower flange 8c is fixedly connected on intake air impeller In the flange collar at 3 back sides；The periphery that dirt ring 7 is sleeved on central tube disc 8b is respectively caught, and the inner edge for respectively catching dirt ring 7 is equipped at least one Dirt ring caulking groove 7b is caught along catch that dirt ring convex rib 7a axis is recessed inwardly, and the central tube disc 8b accordingly widened is embedded in catching dirt ring caulking groove In 7b, the outer rim of remaining central tube disc 8b abuts against the inner edge for catching dirt ring 7.

Each central tube disc 8b is respectively to catch dirt ring 7 to provide support, and form clean gas between adjacent center cylinder disc 8b The channel that body flows up.Bracket lower flange 8c is fixed in the flange collar at 3 back side of intake air impeller, the rigidity that both has both increased and Intensity, and axially position is realized jointly.Widen one, a pair of, two couples or multipair central tube disc 8b be embedded in accordingly respectively Catch in dirt ring caulking groove 7b, realize the radial positioning for respectively catching dirt ring 7 on center bearing bracket 8, it is ensured that respectively catch dirt ring 7 and center branch It will not relatively rotate between frame 8.

Respectively catch dirt ring 7 outer rim can be evenly distributed with it is multiple to axis direction be recessed catch dirt ring external groove 7c, respectively catch Dirt ring external groove 7c can be located between the external end head of adjacent twice central tube disc 8b.

Multiple intake air impeller external grooves being recessed to axis direction can be evenly distributed on the excircle of intake air impeller 3 3a, each intake air impeller external groove 3a can be located between adjacent twice air inlet blade.

It is deposited in and catches dust on dirt ring 7 under the influence of centrifugal force, be gathered in the root for catching dirt ring convex rib 7a and along catching Dirt ring convex rib 7a centrifugation is displaced outwardly；Gas is directly entered adjacent two from respectively catching dirt ring external groove 7c and catches seam between dirt ring 7 Gap and it is centripetal flow downward, not only greatly reduce in the resistance for catching dirt ring outer rim turning, although and the movement with dust It is contrary, but it is non-interference on path, it reduces windage and further increases dust removing effects.Similarly air-flow can be in each air inlet Directly turn round at impeller external groove 3a and be upwardly into 1 inner cavity of machine barrel, reduce air-flow with from the interference caught grey ring 7 dust is discharged, Improve separative efficiency.

The backboard of intake air impeller 3 is same or similar with dirt ring 7 is caught in coniform and tilt angle, and bottom catches dirt ring convex rib 7a is directly or indirectly pressed on the backboard of intake air impeller 3, and the lower end center of intake air impeller backboard is fixed on the boss of central axis 4 On.It not only realizes bottom and catches axial restraint between dirt ring and intake air impeller 3, and bottom catch dirt ring to have and top The identical sedimentation environment of dirt ring is caught, the effect of settlement space is given full play to.

As shown in figure 8, respectively catching dirt ring 7 can weld, rivet or other way is fixedly connected on center bearing bracket 8, in Cardiac skeleton 8 includes closed central tube 8a, and central tube 8a is fixed on rotor.Dirt ring 7 is respectively caught to be fixedly connected with center bearing bracket 8, The equal whole pile structure of spacing is formed, convenient for correcting the dynamic balancing of rotor outside machine, is also convenient for installing and safeguard.

Sealing change 9 is installed, sealing change 9 is located between centrifugation dust trapping device and air draft impeller 6, and sealing turns on rotor The outer rim of ring 9 is close to the inner wall of machine barrel 1, and in up big and down small coniform, the upper surface of sealing change 9 is uniformly divided for sealing change 9 It is furnished with multiple change blade 9a.

Each central tube disc 8b can connect method in the bracket in the middle part of the outer rim of each central tube disc 8b in step-like On blue 8d, the intensity of central tube disc 8b is can be improved in flange 8d in bracket upper flange 8e and bracket, and center bearing bracket 8 is made to become rigid The overall structure of property.The outer rim upper end of each central tube disc 8b can connect on bracket upper flange 8e.Sealing change 9 can consolidate On fixed flange 8d in the bracket, the lower end surface of sealing change 9 can directly or indirectly be pressed in top layer and catch on dirt ring.

Installation sealing change 9 above dirt ring 7 is being caught, the dust of sedimentation chamber 1a can be prevented to be upwardly into exhaustion section 5, avoided The pure air for being upwardly into exhaustion section 5 along central tube 8a outer wall is contaminated again.Each change blade 9a is revolved with sealing change 9 It changes the line of production the raw air-flow along blade to outer rim direction, dust is more efficiently prevented to reach the upper surface of sealing change 9 or along close Seal the upper surface centripetal flow of change 9.

Air draft impeller 6 and sealing change 9 between be equipped with wind loop 10, and wind loop 10 along the lower end of air draft impeller 6 towards The axis direction of central axis 4 extends, and the outer rim of wind loop 10 can be welded on the inner wall of machine barrel 1 or exhaustion section 5, and wind loop 10 can It is curved inwardly with the lower edge by exhaustion section 5, wind loop flange 10a, wind loop can also be equipped in the upper end of wind loop 10 Flange 10a is fixed between machine barrel upper flange and exhaustion section lower flange.The inner edge of wind loop 10 is deeply inserted into close to air draft impeller The position of centre mount 6b or central tube, similar mazy sealing structure formed here first, next makes to seal change 9 and row One end of fan blade 6 keeps sufficiently small gap, will not collide during operation, while small―gap suture can reduce clean sky again Gas is back to the amount in machine barrel, reduces the loss that air draft impeller 6 handles air quantity；Due to sealing the pump action of change 9, Ke Yi The upper surface of wind loop 10 generates centripetal air-flow, and the lower end surface of wind loop 10 be to be centrifuged outside air-flow, thoroughly prevent dust from A possibility that leaking out herein.

Air draft impeller 6 can be sleeved on the outer rim on each top central tube disc 8b, and the bottom of air draft impeller 6 is equipped with air draft leaf Centre mount 6b is taken turns, the bottom of air draft impeller center seat 6b is pressed in the center of sealing change 9, and the top inner edge of air draft impeller 6 is equipped with Overlap 6a in the air draft impeller inwardly stretched out, overlap 6a is fixed on bracket upper flange 8e in air draft impeller.Air draft impeller 6 is set with Behind the top central tube disc 8b, overlap 6a is pressed on bracket upper flange 8e and is fixedly connected by screw in air draft impeller, makes It obtains air draft impeller 6 and sealing change 9 obtains reliable location on center bearing bracket 8, and integral strength is high, rigidity is good.

The central upper portion of exhaustion section 5 is equipped with exhaustion section centre mount 5a, and the periphery of exhaustion section centre mount 5a passes through multiple air drafts Guide vane 5b is connected with the inner wall of exhaustion section 5, and the upper end of central axis 4 is fixed in exhaustion section centre mount 5a by bearing, row The external port of wind section 5 is covered with protective net 5c.Air draft guide vane 5b both plays the role of reinforcing rib, improves exhaustion section centre mount The intensity of 5a, to carry the weight of top motor 11 and entire rotor；Water conservancy diversion can be carried out to air draft again, reduce flow resistance, Flow air draft axially upward.

The top barrel of wind inlet section 2 matches in up big and down small cone and with the outer rim of intake air impeller 3, wind inlet section 2 Lower part is cylindrical and center is equipped with wind inlet section centre mount 2a, the periphery of wind inlet section centre mount 2a passes through multiple tracks air inlet water conservancy diversion leaf Piece 2b is connected with the cylindrical wall of wind inlet section 2, and the lower end of central axis 4 is by bearing support on wind inlet section centre mount 2a.Air-flow into When entering wind inlet section 2, the guiding of air inlet guide vane 2b is first passed through, certain rotation speed is generated, intake air impeller 3 can be reduced Energy consumption；The effect that guide vane 2b also functions to reinforcing rib is entered the wind simultaneously, improves wind inlet section 2 and the connection of wind inlet section centre mount 2a is strong Degree.

The lower end surface of wind inlet section centre mount 2a is fixed with pod 2c, and the head at the smooth tip pod 2c can be further Reduce resistance when air-flow enters wind inlet section 2.

As shown in Figures 4 to 6, the industrial centrifugal deduster of the utility model vertical can be placed, the lower port of wind inlet section 2 It is connected with exhaust gas air hose 14, machine barrel dust-exhausting port 1b is connected with the air inlet of cyclone 12, and the top outlet inlet of cyclone 12 is logical Connection air hose 13 is crossed to be connected with exhaust gas air hose 14.The particle being discharged from machine barrel dust-exhausting port 1b enters cyclone 12 and is further divided From collection, particulate matter is discharged from the outlet at bottom of cyclone 12, and tail gas is discharged from the top of cyclone 12, is connected air hose 13 and returned Into exhaust gas air hose 14, then it is again introduced into industrial centrifugal deduster and is separated.Not only it had been convenient for the collection of fine particle, but also Du The discharge of cyclone tail gas absolutely is conducive to protect environment；If fine particle is expensive material, material can be improved The rate of recovery, save the cost.

As shown in fig. 7, the industrial centrifugal deduster of the utility model can be with horizontal placement, i.e. machine barrel 1 is horizontal positioned, into Wind section 2 is connected with exhaust gas air hose 14, the lower part that machine barrel dust-exhausting port 1b is located at machine barrel circumference tangentially stretch out and with cyclone 12 Air inlet is connected, and the top outlet inlet of cyclone 12 is connected by connecting air hose 13 with exhaust gas air hose 14.Little particle is from machine barrel Dust-exhausting port 1b is tangentially discharged, and is further separated and collected into cyclone 12, outlet at bottom of the particulate matter from cyclone 12 Discharge, tail gas from the top of cyclone 12 be discharged, through connect air hose 13 return in exhaust gas air hose 14, be then again introduced into industry from It is separated in heart deduster.Gas higher for water capacity, the bottom of 1 circumference of machine barrel is collected in convenient for drop, is then flowed Enter machine barrel dust-exhausting port 1b discharge.

The foregoing is merely the preferable possible embodiments of the utility model, patent that is non-therefore limiting to the utility model Protection scope.In addition to the implementation, the utility model can also have other embodiments.It is all to use equivalent replacement or equivalent change The technical solution to be formed is changed, is all fallen in the protection scope of the requires of the utility model.Technology of the utility model without description is special Sign can realize that details are not described herein by or using the prior art.

Claims (10)

1. a kind of industrial centrifugal deduster, including machine barrel, it is characterised in that: the lower end of the machine barrel is equipped with wind inlet section, and upper end is set Have exhaustion section, rotor be installed along the axis of machine barrel, on the central axis of the rotor along airflow direction be successively arranged intake air impeller, Centrifugation dust trapping device and air draft impeller, the intake air impeller are located in wind inlet section, and the centrifugation dust trapping device is located in machine barrel, institute It states air draft impeller to be located in exhaustion section, is tangentially connected with machine barrel dust-exhausting port on the top circumference of the machine barrel.

2. industrial centrifugal deduster according to claim 1, it is characterised in that: the centrifugation dust trapping device includes multiple edges What machine barrel axially equidistantly arranged catches dirt ring, and respectively catching dirt ring is respectively up big and down small conial ring shape.

3. industrial centrifugal deduster according to claim 2, it is characterised in that: upper surface or the lower end surface for respectively catching dirt ring are equal It is even be distributed with it is a plurality of radially extend catch dirt ring convex rib, respectively catch dirt ring convex rib and be pressed respectively against adjacent catch on dirt ring；Respectively catch dirt The inner edge of ring is separately fixed on center bearing bracket, and intake air impeller and air draft are fixed on center shaft or be fixed on to the center bearing bracket Between impeller.

4. industrial centrifugal deduster according to claim 3, it is characterised in that: the center bearing bracket includes closed center Cylinder, the periphery of the central tube is evenly distributed with the radial outwardly extending central tube disc of multiple tracks, the lower end of each central tube It is fixedly connected on the back side of intake air impeller；The periphery that dirt ring set is mounted in central tube disc is respectively caught, and the inner edge for respectively catching dirt ring is equipped with At least one catches dirt ring caulking groove along catch that dirt ring convex rib axis is recessed inwardly, and the central tube disc accordingly widened catches dirt embedded in described In ring caulking groove, the outer rim of remaining central tube disc abuts against the inner edge for catching dirt ring.

5. industrial centrifugal deduster according to claim 2, it is characterised in that: respectively catch dirt ring outer rim be evenly distributed with it is more It is a to catch dirt ring external groove to what axis direction was recessed, it is evenly distributed on the excircle of the intake air impeller multiple to axis direction The intake air impeller external groove of recess.

6. industrial centrifugal deduster according to claim 1, it is characterised in that: sealing change is installed on the rotor, The sealing change is between the centrifugation dust trapping device and the air draft impeller, and the outer rim of the sealing change is close to described The inner wall of machine barrel, in up big and down small coniform, the upper surface for sealing change is evenly distributed with multiple changes for the sealing change Blade.

7. industrial centrifugal deduster according to claim 6, it is characterised in that: the air draft impeller and the sealing change Change blade between be equipped with fixed wind loop, the inner edge of the wind loop extends to central axis direction.

8. industrial centrifugal deduster according to claim 2, it is characterised in that: it is each it is described catch dirt boxing connect, rivet or Other way is fixedly connected on center bearing bracket, and the center bearing bracket includes closed central tube, and the central tube is fixed on institute It states on rotor.

9. industrial centrifugal deduster according to any one of claim 1 to 8, it is characterised in that: the exhaustion section it is upper Portion center is equipped with exhaustion section centre mount, and the upper end of the central axis is fixed in exhaustion section centre mount by bearing, the air draft Multiple air draft guide vanes are distributed between the periphery and exhaustion section inner wall of section centre mount.

10. industrial centrifugal deduster according to any one of claim 1 to 8, it is characterised in that: the wind inlet section it is upper Portion's barrel in up big and down small cone and matching with the outer rim of intake air impeller, the lower part of the wind inlet section it is cylindrical and in The heart is equipped with wind inlet section centre mount, and the periphery of the wind inlet section centre mount enters the wind the cylindrical wall of guide vane and wind inlet section by multiple tracks It is connected, the lower end of the central axis is by bearing support on the wind inlet section centre mount.