CN208991019U - Efficient low-resistance one-in-and-two-out formula rotoclone collector - Google Patents

Abstract

The utility model proposes a kind of efficient low-resistance one-in-and-two-out formula rotoclone collectors, comprising: center impeller, center impeller include symmetrically arranged upper impeller and lower impeller；Shell, shell have the air inlet for the upper end that shell is arranged in and the discharge port of the bottom of shell are arranged in, and the inside of shell is arranged in center impeller；Upcast ventilation pipe, the inside of shell is arranged in upcast ventilation pipe, and one end of upcast ventilation pipe forms the first air outlet towards the top that upper impeller, the other end pass through shell；And lower air conduit, the inside of shell is arranged in lower air conduit, and one end of lower air conduit forms the second air outlet towards the side wall that lower impeller, the other end pass through shell.Efficient low-resistance one-in-and-two-out formula rotoclone collector disclosed by the utility model can effectively separate the solid in Dual-Phrase Distribution of Gas olid, achieve the effect that collection material, while equipment resistance is small, effectively reduce the resistance of system, and then reduce system energy consumption.

Description

Efficient low-resistance one-in-and-two-out formula rotoclone collector

Technical field

The utility model relates to dedusting fields, receive more particularly, to a kind of efficient low-resistance one-in-and-two-out formula whirlwind Dirt device.

Background technique

With industrial rapid development, rotoclone collector is more and more extensive as a kind of effective dust collection device Application.The application of rotoclone collector greatly reduces the load of common bag collector, reduces the filtering surface of bag collector Product reduces the spatial constructional dimensions of bag collector, and then reduces occupied area, reduces the cost of investment of equipment.With whirlwind The extensive use of dust-precipitator makes at present in order to meet the small target of dust-collecting efficiency height and self resistance of rotoclone collector simultaneously The structure type of rotoclone collector is also not quite similar, but fails to satisfactory solution while meeting measure a cyclone dust collection The problem of two big important indicator of device, and with plant-scale enlargement, in process of production dusty gas to be treated Also increasing, for the production of industrial large-sizedization, handling a large amount of dusty gas, the rotoclone collector diameter and quantity used is all Increasing.

Utility model content

In order to solve the above technical problems, the utility model proposes a kind of efficient low-resistance one-in-and-two-out formula rotoclone collector, Include:

Shell, shell have the air inlet for the upper end that shell is arranged in and the discharge port of the bottom of shell are arranged in；

The inside of shell is arranged in center impeller, center impeller, and center impeller includes symmetrically arranged upper impeller and inferior lobe Wheel；Upcast ventilation pipe, the inside of shell is arranged in upcast ventilation pipe, and one end of upcast ventilation pipe passes through shell towards upper impeller, the other end First air outlet is formed on top, and the guiding air-flow that upper impeller generates is guided to the first air outlet；With

Lower air conduit, the inside of shell is arranged in lower air conduit, and one end of lower air conduit passes through shell towards lower impeller, the other end The side wall of body forms the second air outlet, and the guiding air-flow that lower impeller generates is guided to the second air outlet.

In one embodiment, the tangential direction of the blade of each of upper impeller and lower impeller with by air inlet into The direction for entering the air-flow of shell is consistent.

In one embodiment, the intake velocity of each of upper impeller and lower impeller 22.0m/s-27.0m/s it Between.

It in one embodiment, further include lock wind cone, lock wind cone is arranged between lower impeller and lower air conduit, and locks wind cone Towards leeward tube opening.

In one embodiment, shell includes:

The side of top spiral case is arranged in top spiral case, air inlet, and the inside of top spiral case is arranged in upcast ventilation pipe；

Central enclosure, central enclosure is connected with the lower end of top spiral case, and central enclosure is arranged in center impeller It is internal；With

Lower case, lower case have conical by its shape, and biggish one end of cross-sectional area of lower case and central enclosure Lower end be connected, the lesser one end of cross-sectional area be discharge port.

In one embodiment, the cylindrical of cross-sectional area that there is top spiral case cross-sectional area to be greater than central enclosure is tied Structure, and volute structure is formed inside the spiral case of top, the lower part of top spiral case has curved-surface structure to be formed and central enclosure phase The lower end surface of cooperation.

In one embodiment, central enclosure has the cylindrical structure of both ends open.

In one embodiment, shell further includes support skirt, and the outside of central enclosure is arranged in support skirt, with support Efficient low-resistance one-in-and-two-out formula rotoclone collector.

In one embodiment, support skirt is made of steel.

In one embodiment, service hatch is provided on the side wall of central enclosure.

As shown in the above description, efficient low-resistance one-in-and-two-out formula rotoclone collector disclosed by the utility model passes through single air inlet The peculiar structure type of double outlet air, the analytical calculation of design concept and smoothness and optimization meet rotoclone collector diameter it is small, place Manage the multiple technologies index that air quantity is big, dust-collecting efficiency is high, resistance is small, it is possible to reduce the use of the rotoclone collector in particular system Quantity, and the load to subsequent process equipment (for example, bag collector and bag collector blower) can be effectively reduced.

Detailed description of the invention

Fig. 1 is the efficient low-resistance one-in-and-two-out formula rotoclone collector according to an exemplary embodiment of the utility model Outline drawing；With

Fig. 2 is the efficient low-resistance one-in-and-two-out formula rotoclone collector according to an exemplary embodiment of the utility model Perspective view.

Specific embodiment

With reference to the accompanying drawing to the utility model proposes efficient low-resistance one-in-and-two-out formula rotoclone collector do furtherly It is bright.

Referring to Fig.1, the utility model proposes efficient low-resistance one-in-and-two-out formula rotoclone collector include center impeller 4, shell Body, upcast ventilation pipe 5 and lower air conduit 6, wherein center impeller 4, upcast ventilation pipe 5 and lower air conduit 6 are arranged in shell.

Center impeller 4 includes symmetrically arranged upper impeller 41 and lower impeller 42.Upper impeller 41 and 42 pairs of lower impeller enter shell The air-flow of body plays the role of water conservancy diversion, and since upper impeller 41 and lower impeller 42 are symmetrical arranged, air-flow is made to be guided separately two A opposite direction, that is, a part of air-flow is under the action of upper impeller 41 towards the top rotational flow of shell, another part gas Stream under the action of lower impeller 42 towards the lower part rotational flow of shell, thus by traditional rotoclone collector from an air outlet The air-flow of discharge is separated into two parts to be discharged from two air outlets, increases the air output of rotoclone collector, to improve receipts Dirt efficiency.

Shell has the air inlet 11 for the upper end that shell is arranged in and the discharge port 31 of the bottom of shell, middle lobus cardiacus is arranged in Wheel 4 is arranged in shell.Dust-contained airflow enters after shell from air inlet 11 at a certain angle to be rotated in shell, dust therein It is trapped on the inner wall of shell, and is fallen due to gravity, from 31 row of discharge port of housing bottom under the action of the centrifugal force Out.Then enter center impeller 4 with the air-flow of dust separation, respectively to shell under the guide functions of upper impeller 41 and lower impeller 42 Upper and lower part both direction flowing.

Upcast ventilation pipe 5 and lower air conduit 6 are arranged in shell, and being respectively used to will be under the action of upper impeller 41 and lower impeller 42 Isolated air-flow exports shell.The top of shell is arranged in upcast ventilation pipe 5, and one end passes through shell towards upper impeller 41, the other end Top formed the first air outlet 51, the guiding air-flow that upper impeller 41 generates is guided to the first air outlet 51 and is discharged, is kept away Exempt from influence of the air-flow to the new centrifugal action into the intracorporal dusty gas of shell.The lower part of shell, one end is arranged in lower air conduit 6 Second air outlet 61, the guiding air-flow that lower impeller 42 is generated are formed at the lower part for passing through shell towards lower impeller 42, the other end Guidance is to the second air outlet 61 and is discharged, and air-flow is avoided to generate the unfavorable of fugitive dust to the dust particles of trapping on the inner wall of the housing It influences.

By above description it is recognised that in efficient low-resistance one-in-and-two-out formula rotoclone collector disclosed by the utility model will in Lobus cardiacus wheel 4, which is set as realizing comprising symmetrically arranged upper impeller 41 and lower impeller 42, will enter the air-flow point of rotoclone collector For the air flows of upper and lower both direction flowing, allow rotoclone collector outlet air simultaneously up and down, air-out volume reaches tradition More than twice of the air output of rotoclone collector even, that is, under identical operating condition of gathering dust, in order to realize identical effect of gathering dust The cross-sectional area of rate, the shell of efficient low-resistance one-in-and-two-out formula rotoclone collector disclosed by the utility model can be than traditional whirlwind The cross-sectional area of the shell of dust-precipitator reduces by 20% or more, or the cyclone dust collection used to realize identical air output The quantity of device is fewer by 50% than traditional rotoclone collector.Therefore, efficient low-resistance one-in-and-two-out formula whirlwind disclosed by the utility model is received Dirt device has the advantages that dust-collecting efficiency is high, small in size, can save production cost.

In one embodiment of the utility model, the tangential side of the blade of each of upper impeller 41 and lower impeller 42 To with by air inlet 11 enter the direction of air-flow of shell it is consistent.In the situation that the diameter of upper impeller 41 and lower impeller 42 determines Under, blade quantity and angle determine the size of the single air inlet formed between two neighboring blade.Blade quantity increases Add, single air-admitting surface around center arrangement can reduce；Equally, blade angle increases, and single air-admitting surface can also reduce.In the middle In the case that the air quantity that lobus cardiacus wheel 4 is handled determines, all the size of total air inlet of list air inlets composition is in determining The speed of the air inlet air-flow of lobus cardiacus wheel 4, that is, total air-admitting surface is smaller, and air-flow intake velocity is higher, and vice versa.In this reality With in novel one embodiment, the range of the impeller air inlet air velocity of center intake air impeller in 22.0m/s-27.0m/s It is interior.But those skilled in the art still can according to specific requirements such as air quantity, intake velocities, design adjustment blade quantity, Size and angle, to adjust 11 air velocity of air inlet of center impeller 4.

With continued reference to Fig. 1, which further includes lock wind cone 21.Lock 21 setting of wind cone It between lower impeller 42 and lower air conduit 6, and locks wind cone 21 and is open towards lower air conduit 6, to effectively avoid by lower impeller 42 The air-flow of guiding enters in lower case 3, generates the unfavorable of fugitive dust to completely cut off air-flow to the dust particles in trapping on the inner wall of the housing It influences.

Referring to Fig.1, shell includes top spiral case 1, central enclosure 2 and lower case 3.

The side of top spiral case 1 is arranged in air inlet 11, and upcast ventilation pipe 5 is arranged inside top spiral case 1.In this way, ash-laden gas Stream enters top spiral case 1 from air inlet 11 at a certain angle, rotates and is centrifuged in top spiral case 1, makes the powder in dust-contained airflow Dirt is centrifuged, is trapped on the inner wall of the housing；And the first air outlet is sent to by upcast ventilation pipe 5 by the air-flow of upper 41 water conservancy diversion of impeller 51.Preferably, top spiral case 1 is greater than the cylindrical structure of the cross-sectional area of central enclosure 2, and top snail with cross-sectional area Volute structure is formed inside shell 1, so that the dust-contained airflow into top spiral case 1 forms eddy flow in shell.It should be noted that Dust-contained airflow is adapted by air inlet 11 into the angle of top spiral case 1 and the design of volute structure.In addition, top spiral case 1 Lower part has curved-surface structure 13 to form the lower end surface with central enclosure 2 to cooperation, and reduces the resistance in spiral case, realizes Better diversion effect.

Central enclosure 2 is connected with the lower end of top spiral case 1, and center impeller 4 is arranged inside middle shell.In a reality It applies in example, central enclosure 2 has the cylindrical structure of both ends open, to adapt to air-flow and dust particles in flow direction, reduces Resistance realizes better diversion effect.

Lower case 3 has conical by its shape, and under biggish one end of cross-sectional area of lower case 3 and central enclosure 2 End is connected, the lesser one end of cross-sectional area is discharge port 31, makes to be captured in the dust particles of 3 inner wall of lower case to discharge port 31 gather and are discharged.Lower air conduit 6 passes through the side of lower case 3 and stretches out to form the second air outlet 61, so as to be led by lower impeller 42 Air-flow out is discharged by lower air conduit 6 from the second air outlet 61.

Referring to Fig.1, shell further includes support skirt 7.Since efficient low-resistance one-in-and-two-out formula rotoclone collector is with larger Self weight, and in the course of work generate vibration, therefore the outside of central enclosure 2 be arranged support skirt 7, to efficient low-resistance One-in-and-two-out formula rotoclone collector plays good supporting role.In one embodiment, support skirt 7 is made of steel.But It is, it will be appreciated by those skilled in the art that support skirt 7 can also be made of the higher material of other intensity.

Further, it is provided with service hatch 22 on the side wall of central enclosure 2, so that staff is to efficient low-resistance one into two The inspection and maintenance that formula rotoclone collector is timed out.

Illustrate the workflow of efficient low-resistance one-in-and-two-out formula rotoclone collector disclosed by the utility model below with reference to Fig. 1 Journey.Under air blower or the effect of other equipment, dust-contained airflow tangentially enters top spiral case 1 by air inlet 11, by spiral case knot It is configured to eddy flow, the dust particles in dust-contained airflow is made to be captured under the action of the centrifugal force on the inner wall of the housing；After separation Air-flow enters center impeller 4, is divided into two parts under the action of upper impeller 41 and lower impeller 42, and a part is through upcast ventilation pipe 5 from the The discharge of one air port, another part are discharged through lower air conduit 6 from the second air port；The dust particles being captured are under the effect of gravity from discharging Mouth 31 is discharged.

Although the exemplary embodiments to the utility model are illustrated, but it is clear that those skilled in the art can manage Solution can be changed without departing substantially from the spirit of the utility model and principle in the case where, range in claims and It is defined in its equivalent.

Claims (10)

1. a kind of efficient low-resistance one-in-and-two-out formula rotoclone collector, which is characterized in that the efficient low-resistance one-in-and-two-out formula whirlwind Dust-precipitator includes:

Shell, the shell have the air inlet for the upper end that the shell is arranged in and the discharging of the bottom of the shell are arranged in Mouthful；

The inside of the shell is arranged in center impeller, the center impeller, and the center impeller includes symmetrically arranged upper leaf Wheel and lower impeller upcast ventilation pipe, the inside of the shell is arranged in the upcast ventilation pipe, and one end of the upcast ventilation pipe is described in First air outlet is formed on the top that upper impeller, the other end pass through the shell, and the guiding air-flow that upper leaf wheel generates is drawn It is directed at first air outlet；With

Lower air conduit, the lower air conduit are arranged in the inside of the shell, and one end of the lower air conduit towards the lower impeller, The side wall that the other end passes through the shell forms the second air outlet, and the guiding air-flow that the lower impeller generates is guided to described Second air outlet.

2. efficient low-resistance one-in-and-two-out formula rotoclone collector according to claim 1, which is characterized in that upper leaf wheel and The direction of the tangential direction of the blade of each of the lower impeller and the air-flow for entering the shell by the air inlet Unanimously.

3. efficient low-resistance one-in-and-two-out formula rotoclone collector according to claim 1, which is characterized in that upper leaf wheel and The intake velocity of each of the lower impeller is between 22.0m/s-27.0m/s.

4. efficient low-resistance one-in-and-two-out formula rotoclone collector according to claim 1, which is characterized in that further include lock wind Cone, the lock wind cone is arranged between the lower impeller and the lower air conduit, and lock wind cone is opened towards the lower air conduit Mouthful.

5. efficient low-resistance one-in-and-two-out formula rotoclone collector according to claim 1, which is characterized in that the shell packet It includes:

The side of the top spiral case is arranged in top spiral case, the air inlet, and the upcast ventilation pipe is arranged in the top spiral case Inside；

Central enclosure, the central enclosure are connected with the lower end of the top spiral case, and the center impeller is arranged in institute State the inside of central enclosure；With

Lower case, the lower case have conical by its shape, and biggish one end of cross-sectional area of the lower case with it is described The lower end of central enclosure is connected, the lesser one end of cross-sectional area is the discharge port.

6. efficient low-resistance one-in-and-two-out formula rotoclone collector according to claim 5, which is characterized in that the top spiral case It is greater than the cylindrical structure of the cross-sectional area of the central enclosure with cross-sectional area, and forms snail inside the top spiral case The lower part of shell structure, the top spiral case has curved-surface structure to form the lower end surface matched with the central enclosure.

7. efficient low-resistance one-in-and-two-out formula rotoclone collector according to claim 5, which is characterized in that the central enclosure Cylindrical structure with both ends open.

8. efficient low-resistance one-in-and-two-out formula rotoclone collector according to claim 5, which is characterized in that the shell also wraps Support skirt is included, the outside of the central enclosure is arranged in the support skirt, to support the efficient low-resistance one-in-and-two-out formula Rotoclone collector.

9. efficient low-resistance one-in-and-two-out formula rotoclone collector according to claim 8, which is characterized in that the support skirt It is made of steel.

10. efficient low-resistance one-in-and-two-out formula rotoclone collector according to claim 5, which is characterized in that the middle part shell Service hatch is provided on the side wall of body.