CN209917463U - Axial flow combined type variable-pipe-diameter multi-pipe cyclone dust removal device - Google Patents

Axial flow combined type variable-pipe-diameter multi-pipe cyclone dust removal device Download PDF

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Publication number
CN209917463U
CN209917463U CN201920129490.3U CN201920129490U CN209917463U CN 209917463 U CN209917463 U CN 209917463U CN 201920129490 U CN201920129490 U CN 201920129490U CN 209917463 U CN209917463 U CN 209917463U
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China
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dust
cyclone
arc
pipe
shaped
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CN201920129490.3U
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Chinese (zh)
Inventor
毛衍钦
蒲文灏
韩东
宋张扬
陈恺祺
张绮钰
张豪
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Nanjing University of Aeronautics and Astronautics
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Nanjing University of Aeronautics and Astronautics
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Abstract

The utility model discloses a modular become pipe diameter multitube whirlwind dust collector of axial flow belongs to the gas-solid separation field. The utility model comprises a cyclone separating chamber, a dust exhaust chamber and a reducing pipe from front to back in sequence. The principle of dust collector work is when carrying the dusty air current of wide particle diameter granule around flowing the water conservancy diversion awl leeward side, because the granule of different particle diameters is different with the air current followup nature, the large granule can be separated with the tiny particle, and enter into the whirlwind pipe of different pipe diameters and separate, there is some air current at water conservancy diversion awl afterbody to carry the large granule dust and get into inertial separation room, the dust is in indoor arc passageway with higher speed and take place the separation along with the air current, the air current after the purification gets into low reaches device through the gas outlet by the reducer. The utility model provides a multitube cyclone dust collector make full use of the difference of the separation performance of the vortex pipe of different diameters, solved the problem that conventional dust collector separation ability received the restriction of dust particle diameter, had good dust removal performance to wide particle diameter dust.

Description

Axial flow combined type variable-pipe-diameter multi-pipe cyclone dust removal device
Technical Field
The utility model belongs to the gas-solid separation field relates to an axial compressor cyclone that can be applied to and purify wide particle size granule.
Background
The dust removal device can be used for removing solid particles in gas, recovering dust particles in waste gas and meeting the requirement of environmental protection. Therefore, the dust removing equipment is widely applied in chemical production, and different forms of dust removing devices have been developed, including electrostatic dust removal, gravity dust removal, filtration dust removal, cyclone dust removal and the like.
Among the above-mentioned dust collector, electrostatic precipitator has the shortcoming that the energy consumption is big, and gravity dust collector has the shortcoming that dust collection efficiency is low, area is big, and filter dust collector has the shortcoming that the resistance is big, dust collection efficiency is low. Compared with other dust removal devices, the cyclone dust removal device has the advantages of high dust removal efficiency, low cost, simple structure and reliable operation, overcomes the defects of other dust removal devices, considers both the dust removal efficiency and the operation cost, and has important significance for improving the service performance of the existing dust removal system.
The existing cyclone dust removal device is also divided into an axial flow type and a reverse flow type, the axial flow type cyclone dust removal device is composed of cyclone tube elements, and compared with the reverse flow type dust removal device, the axial flow type cyclone dust removal device has the advantages of small pressure drop and small resistance. A single cyclone tube has higher dust removal efficiency on particles with specified particle sizes, but the separation efficiency is reduced when dust with other particle sizes is treated, so that the defect of poor applicability exists, and the complex operation working conditions in actual production cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model provides an axial-flow type multi-cyclone dust collector which is high-efficient, low-resistance and can simultaneously treat different particle sizes and a using method of the device. The utility model discloses can solve current dust collector dust collection efficiency and receive particle diameter restriction, separation efficiency low, the big shortcoming of energy consumption of dust collector resistance, can improve current dust collector's performance, have higher practicality than other dust collector.
The purpose of the utility model is realized like this: the utility model provides an axial flow combination formula becomes pipe diameter multitube cyclone dust collector which characterized in that:
the cyclone dust collector sequentially comprises a cyclone separating chamber, a dust exhaust chamber and a reducing pipe from front to back;
the dust exhaust chamber is provided with a dust exhaust channel, and a cyclone exhaust pipe and an inertia separation chamber exhaust pipe are arranged in the dust exhaust chamber;
the cyclone separation chamber comprises a shell, and the front end of the shell is provided with an air inlet; a flow guide cone and a cyclone tube array are arranged in the shell; the cyclone tube array is arranged on the leeward side of the flow guide cone; the cyclone tube array is composed of a plurality of circles of cyclone sub-elements, the cyclone sub-elements in the same circle are connected through the supporting plate, and sleeves are arranged among the cyclone sub-elements in different circles at intervals; the diameter of the cyclone sub-elements in the same circle is the same, and the farther the cyclone sub-elements are away from the central axis of the diversion cone, the larger the diameter of the cyclone sub-elements is; the gas outlet at the tail end of the cyclone tube array is connected with the cyclone exhaust tube, and dust at the tail end of the cyclone tube array is collected to the dust discharge channel discharge device from the space between the exhaust tube bundles of the cyclone exhaust tube;
the utility model discloses a further improved part: the shape of the guide cone is not limited to an oval shape, and guide vanes or wing-shaped blunt bodies and other structures which are beneficial to strengthening the rotating effect of airflow in front of the cyclone tube array can be additionally arranged on the guide cone.
The utility model discloses a further improved part: the front end of the shell is provided with an air inlet or is added with a filter screen, a baffle plate and the like to prevent large particles from entering the dust removal device.
The traditional gas-solid separation device has higher separation effect on particles with single particle size or within a certain narrow particle size range, and is difficult to keep higher separation capacity on dust-containing gas flow under particles with wide particle size. The utility model discloses an add the water conservancy diversion awl and utilize the granule to carry out the layering of initial stage along with the difference of air current followup nature to the dust, according to the difference of different diameter cyclone tube separation ability, rationally organize gas-solid separation process, guarantee that different cyclone tubes can both have higher dust collection efficiency. The reducing pipe is used for ensuring that each cyclone subelement of the dust exhaust chamber has the same air outlet pressure, and ensuring that the dust removal pressure of the cyclone subelement array can not be reduced due to the inconsistency of the working pressure.
A sleeve is arranged on the outer side of the cyclone sub-element at the outermost ring, and an inertia separation chamber is formed between the sleeve and the inner wall of the shell; a plurality of arc-shaped gas channels which are gradually contracted and turned from front to back are uniformly distributed in the inertial separation chamber along the circumferential direction; the arc-shaped gas channel consists of an outer layer arc-shaped blade and an inner layer arc-shaped blade; the tail end of the arc-shaped gas channel is connected with the exhaust pipe of the inertia separation chamber, and gas flows through the exhaust pipe of the inertia separation chamber from the channel and is exhausted from the reducing pipe;
the head parts of the outermost arc-shaped blade and the inner arc-shaped blade of any adjacent arc-shaped gas channel are connected to form an arc-shaped dust exhaust channel which gradually expands from front to back; the outer layer arc-shaped blade is provided with an inertia separation chamber dust exhaust port communicated with the arc-shaped dust exhaust channel and the corresponding arc-shaped gas channel; the tail end of the arc-shaped dust exhaust channel is communicated with the dust exhaust chamber, dust enters the dust exhaust chamber from the arc-shaped dust exhaust channel, and is collected to the dust exhaust channel discharging device from the space between the exhaust pipe bundles.
The utility model discloses the inertial separation room that adds carries out the secondary to the dusty air current that separates from the water conservancy diversion awl and separates, can effectively collect the dust, can effectively retrieve waste gas, has reduced the air current and has carried the necessary scavenging flow when the dust leaves dust collector.
Adopt the utility model discloses a multitube cyclone dust collector removes dust, and its theory of operation is: the guide cone is arranged in front of the cyclone tube array, and large particles and small particles in the airflow are separated by utilizing the different following properties of dust with different particle sizes along with the airflow;
the cyclone tube array is composed of a plurality of circles of cyclone sub-elements, the diameter of the cyclone sub-elements at the inner circle is smaller, the diameter of the cyclone sub-elements at the outer circle is larger, and the diameters of the cyclone sub-elements at the same circle are the same; when the dusty airflow bypasses the flow guiding cone, large-particle-size particles and small-particle-size particles are layered, the airflow carrying the large-particle-size particles enters the cyclone sub-elements on the outer ring of the cyclone tube array, the airflow carrying the small-particle-size particles enters the cyclone sub-elements on the inner ring of the cyclone tube array, the cyclone sub-elements on the outer ring with the large diameter have larger rotating space, the reduction of the separation efficiency caused by the impact effect of the large particles and the wall surface can be reduced, the rotating radius of the cyclone sub-elements with the small diameter on the inner ring is small, the centrifugal field intensity is high, and small particles with good airflow following performance can;
the inertial separation chamber carries out secondary purification on the dusty airflow separated from the guide cone, and specifically, dust enters the arc-shaped dust exhaust channel through a dust exhaust port of the inertial separation chamber arranged on an outer layer arc-shaped blade at the turning position of the arc-shaped gas channel, enters the dust exhaust chamber along the arc-shaped dust exhaust channel, and is discharged out of the dust removal device after being converged with the dust discharged by the cyclone tube array in the dust exhaust channel; wherein the arc gas passage that outer arc blade and inlayer arc blade enclose takes place to turn to after the convergent, and the sectional area convergent makes the air current accelerate, and the momentum of granule increases, is favorable to the separation of dust.
The utility model discloses utilized the high-efficient, the low resistance dust removal advantage of whirlwind pipe element, had separation efficiency height, extensive applicability, the stable advantage of dust removal performance, can be used for the dust removal and the protection of admitting air of trades such as chemical industry, energy, vehicle, aviation.
Drawings
FIG. 1 is a schematic diagram of the multi-cyclone dust collector of the present invention;
FIG. 2 is an external view of the multi-cyclone dust collector of the present invention;
FIG. 3 is a schematic view of the internal structure of the multi-cyclone dust collector of the present invention;
FIG. 4 is a view of the present invention in relation to a cyclone tube array assembly fixture;
FIG. 5 shows a cyclone sub-element mainly used in the present invention;
fig. 6 is a flow guide cone used by the present invention;
fig. 7 is a schematic view of a cyclone sub array according to the present invention;
fig. 8 is an exhaust pipe fixing plate for fixing a pipe bank of the present invention;
FIG. 9 is a schematic diagram of the present invention with respect to an inertial separation chamber;
FIG. 10 is an external view of the present invention in relation to an inertial separation chamber;
FIG. 11 is an internal view of the present invention with respect to a cleanroom;
number designation in the figures: 1. a cyclone separation chamber, wherein 1-1 is a cyclone tube array, 1-1-1 is a cyclone sub-element, 1-1-2 is a support plate, 1-1-3 is a sleeve, 1-2 is an inertia separation chamber, 1-2-1 is an outer arc-shaped blade, 1-2-2 is an inner arc-shaped blade, 1-2-3 is an arc-shaped channel, 1-2-4 is an inertia separation chamber dust exhaust port, 1-2-5 is an inertia separation chamber air outlet, 1-2-6 is an arc-shaped dust exhaust channel, 1-3 is a flow guide cone, 1-4 is a shell, 2 is a dust exhaust chamber, wherein, 2-1 is a cyclone exhaust pipe, 2-2 inertial separation chamber exhaust pipes, 2-3 ash discharge channels, 2-4 exhaust pipe fixing plates and 3 a reducing pipe.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention is further described in detail below with reference to fig. 1 to 11.
The cyclone tube array 1-1 related to the dust removing device of the utility model is composed of cyclone sub-elements 1-1-1 with different diameters, and the gas-solid separation process is reasonably organized according to different cyclone tube separation performances with different diameters, thereby being beneficial to the high-efficiency separation of dust; the flow guide cone 1-3 is arranged in front of the cyclone tube array 1-1, and large particles and small particles in the airflow are separated by utilizing the different following properties of dust with different particle sizes along with the airflow. The cyclone tube array 1-1 is composed of a plurality of circles of cyclone sub-elements 1-1-1, the diameter of the cyclone sub-element 1-1-1 at the inner circle is smaller, the diameter of the cyclone sub-element 1-1-1 at the outer circle is larger, and the diameters of the cyclone sub-elements 1-1-1 at the same circle are the same. When dust-containing airflow bypasses a flow guide cone 1-3, large-particle-size particles and small-particle-size particles are layered, the airflow carrying the large-particle-size particles enters a cyclone sub-element 1-1-1 at the outer ring of a cyclone tube array 1-1, the airflow carrying the small-particle-size particles enters a cyclone sub-element 1-1-1 at the inner ring of the cyclone tube array 1, the cyclone sub-element with the large diameter at the outer ring has a large rotating space, the reduction of separation efficiency caused by the impact effect of the large particles and the wall surface can be reduced, the rotating radius of the cyclone sub-element with the small diameter at the inner ring is small, the centrifugal force field intensity is small, and small particles with good airflow following performance.
The utility model discloses it carries out the secondary to the dusty air current that separates from water conservancy diversion awl 1-3 punishment to add inertial separation room 1-2 in addition, takes place to turn to after the arc passageway 1-2-3 convergent that outer layer arc blade 1-2-1 and inlayer arc blade 1-2-2 enclose, and the sectional area convergent makes the air current accelerate, and the momentum increase of granule is favorable to the separation of dust. The dust enters the dust exhaust chamber 2 through the dust exhaust port 1-2-4 of the inertia separation chamber arranged on the outer layer arc-shaped blade 1-2-1 at the turning part of the arc-shaped gas channel 1-2-3 along the arc-shaped dust exhaust channel 1-2-6, and is discharged out of the dust removal device after being converged with the dust discharged by the cyclone tube array 1-1 in the dust exhaust channel 2-3.
The above description is only an exemplary embodiment of the present invention, and it should be noted that, for those skilled in the art, modifications and variations made on the basis of the technical principle of the present invention still belong to the protection scope of the present invention.

Claims (1)

1. The utility model provides an axial flow combination formula becomes pipe diameter multitube cyclone dust collector which characterized in that:
the dust remover sequentially comprises a cyclone separation chamber (1), a dust exhaust chamber (2) and a reducer (3) from front to back;
the dust exhaust chamber (2) is provided with a dust exhaust channel (2-3), and a cyclone exhaust pipe (2-1) and an inertia separation chamber exhaust pipe (2-2) are arranged in the dust exhaust chamber (2);
the cyclone separation chamber (1) comprises a shell (1-4), and the front end of the shell (1-4) is provided with an air inlet; a flow guide cone (1-3) and a cyclone tube array (1-1) are arranged in the shell; the cyclone tube array (1-1) is arranged on the leeward side of the flow guide cone (1-3); the cyclone tube array (1-1) is composed of a plurality of circles of cyclone sub-elements (1-1-1), the cyclone sub-elements (1-1-1) in the same circle are connected through supporting plates (1-1-2), and sleeves (1-1-3) are arranged among the cyclone sub-elements (1-1-1) in different circles at intervals; the diameter of the cyclone sub-element (1-1-1) in the same circle is the same, and the farther the cyclone sub-element (1-1-1) is from the central axis of the diversion cone (1-3), the larger the diameter is; the gas outlet at the tail end of the cyclone tube array (1-1) is connected with the cyclone exhaust tube (2-1), and dust at the tail end of the cyclone tube array (1-1) is collected to the dust discharge channel (2-3) discharge device from the space between the exhaust tube bundles of the cyclone exhaust tube (2-1);
a sleeve (1-1-3) is arranged on the outer side of the cyclone sub-element (1-1-1) at the outermost ring, and an inertia separation chamber (1-2) is formed between the sleeve and the inner wall of the shell (1-4); a plurality of arc-shaped gas channels (1-2-3) which are gradually contracted and turned from front to back are uniformly distributed in the inertial separation chamber (1-2) along the circumferential direction; the arc-shaped gas channel (1-2-3) consists of an outer layer arc-shaped blade (1-2-1) and an inner layer arc-shaped blade (1-2-2); the tail end of the arc-shaped gas channel (1-2-3) is connected with the exhaust pipe (2-2) of the inertia separation chamber, and gas flows through the exhaust pipe (2-2) of the inertia separation chamber from the channel and is exhausted from the reducer (3);
the head parts of the outermost layer arc-shaped blade (1-2-1) and the innermost layer arc-shaped blade (1-2-2) of any adjacent 2 arc-shaped gas channels (1-2-3) are connected to form an arc-shaped dust exhaust channel (1-2-6) which is gradually expanded from front to back; the outer layer arc-shaped blade (1-2-1) is provided with an inertia separation chamber dust exhaust port (1-2-4) communicated with the arc-shaped dust exhaust channel (1-2-6) and the corresponding arc-shaped gas channel (1-2-3); the tail ends of the arc-shaped dust exhaust channels (1-2-6) are communicated with a dust exhaust chamber (2), dust enters the dust exhaust chamber (2) from the arc-shaped dust exhaust channels (1-2-6), and is collected to the dust exhaust channel (2-3) from the space between the exhaust pipe bundles to be exhausted out of the device.
CN201920129490.3U 2019-01-25 2019-01-25 Axial flow combined type variable-pipe-diameter multi-pipe cyclone dust removal device Withdrawn - After Issue CN209917463U (en)

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Application Number Priority Date Filing Date Title
CN201920129490.3U CN209917463U (en) 2019-01-25 2019-01-25 Axial flow combined type variable-pipe-diameter multi-pipe cyclone dust removal device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109701324A (en) * 2019-01-25 2019-05-03 南京航空航天大学 Axis stream combined variable caliber multi-cyclone dust-extraction unit and method
CN111714999A (en) * 2020-06-16 2020-09-29 上海建工四建集团有限公司 Spray purification device and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109701324A (en) * 2019-01-25 2019-05-03 南京航空航天大学 Axis stream combined variable caliber multi-cyclone dust-extraction unit and method
CN109701324B (en) * 2019-01-25 2023-09-26 南京航空航天大学 Axial flow combined variable-pipe-diameter multi-pipe cyclone dust removal device and method
CN111714999A (en) * 2020-06-16 2020-09-29 上海建工四建集团有限公司 Spray purification device and method

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