CN114932018A - Cyclone dust removal device - Google Patents

Cyclone dust removal device Download PDF

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Publication number
CN114932018A
CN114932018A CN202210487905.0A CN202210487905A CN114932018A CN 114932018 A CN114932018 A CN 114932018A CN 202210487905 A CN202210487905 A CN 202210487905A CN 114932018 A CN114932018 A CN 114932018A
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CN
China
Prior art keywords
air outlet
outlet pipe
air
pressure
dust
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Pending
Application number
CN202210487905.0A
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Chinese (zh)
Inventor
马雷
谢吉优
魏文荣
杨恒杰
李长青
张春霞
薛维杰
王博
苏辰
张岩
梁竞达
范琦
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Beijing Triumph International Engineering Co ltd
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Beijing Triumph International Engineering Co ltd
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Priority to CN202210487905.0A priority Critical patent/CN114932018A/en
Publication of CN114932018A publication Critical patent/CN114932018A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04CAPPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C11/00Accessories, e.g. safety or control devices, not otherwise provided for, e.g. regulators, valves in inlet or overflow ducting

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Abstract

The invention discloses a cyclone dust removing device, comprising: casing, detection mechanism, dust removal mechanism, control valve, pressure detection mechanism and control system. The first detection piece and the second detection piece are arranged at the air inlet and the dust outlet of the shell and are connected with the control system, so that the dust separation rate in the shell can be detected and calculated in real time, the control valve is arranged on the air outlet pipe and is connected with the control system, the opening of the control valve can be adjusted according to the real-time separation rate, and further the separation rate is adjusted; through setting up the pressure measurement subassembly, can real-time detection casing business turn over wind pressure differential to be provided with the adjusting part who is used for adjusting the guide vane angle on the guide vane, the adjusting part is connected with control system, can pass through the adjusting part according to real-time business turn over wind pressure differential and adjust the guide vane angle, thereby realize business turn over wind loss's adjustment. The coordination rule of the separation rate and the pressure loss can be better matched, and the pressure loss is reduced while the separation efficiency in the shell is ensured.

Description

Cyclone dust removal device
Technical Field
The invention relates to the technical field of dry cement production, in particular to a cyclone dust removal device.
Background
The cyclone is widely used in cement industry, has the functions of preheating raw materials and separating gas from solid, and is an important core device of a novel dry cement system. With the environmental protection and the continuous improvement of the energy consumption requirement, the existing cyclone is required to be continuously improved, and the cyclone with high separation efficiency and low resistance loss is developed. The central purification airflow of the single-air-outlet cyclone cylinder is a strong vortex flow, and the pressure loss caused by the strong vortex flow accounts for more than 60 percent of the total pressure loss of the separator; a 'short-circuit flow' exists between the air inlet and the upper air outlet, so that part of dust is short-circuited and flows away.
Therefore, some domestic factories apply double-air-outlet cyclones, namely, a lower air outlet is additionally arranged on the basis of the traditional air-outlet cyclones, and the core forced vortex is reduced by utilizing the back flow distribution principle. The cyclone dust removal system has the advantages that the cyclone dust removal system is very important in efficiently keeping the separation efficiency of the cyclone, the scientificity and the stability of feeding control and the operation of the whole system are influenced, the separation efficiency and the pressure loss in the cyclone have mutual association and contradiction rules, the higher the air outlet quantity is, the higher the separation efficiency is, the higher the pressure loss is, the larger the pressure loss is, the power consumption is increased, and the enterprise cost is increased. However, the double-outlet cyclone in the prior art cannot detect the separation efficiency and the pressure loss at the same time, cannot keep the separation efficiency and the pressure loss in a reasonable state, and cannot adapt to various working conditions, thereby causing a large amount of electric energy to be consumed.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide a cyclone dust collector, which overcomes the defects that the double air outlet cyclones in the prior art cannot simultaneously detect the separation efficiency and the pressure loss and cannot keep the separation efficiency and the pressure loss in a reasonable state.
In order to solve the above problems, the present invention provides a cyclone dust removing apparatus, comprising:
the dust collector comprises a shell, a dust collecting device and a dust collecting device, wherein the shell comprises an air inlet and a dust outlet, the air inlet is arranged on the side part of one end of the shell, and the dust outlet is arranged at the bottom of the shell;
the detection mechanism comprises a first detection piece and a second detection piece, the first detection piece is arranged on the air inlet, the second detection piece is arranged at the dust outlet, and the first detection piece and the second detection piece are suitable for respectively detecting the dust amount of the air inlet and the dust discharge amount of the dust outlet;
the dust removal mechanism comprises an air outlet pipe, guide vanes and an air inducing mechanism, wherein the air outlet pipe is arranged along the axial direction of the shell and is fixed relative to the shell, the air outlet pipe comprises a first air outlet pipe and a second air outlet pipe, the guide vanes are positioned between the first air outlet pipe and the second air outlet pipe, two ends of each guide vane are respectively connected with the first air outlet pipe and the second air outlet pipe, the other ends of the first air outlet pipe and the second air outlet pipe are both connected with the air inducing mechanism, and the guide vanes are provided with adjusting components suitable for adjusting the angles of the guide vanes;
the control valve is arranged on the first air outlet pipe and/or the second air outlet pipe and is suitable for controlling the air outlet quantity of the first air outlet pipe and/or the second air outlet pipe;
the pressure detection mechanism comprises a first pressure gauge and a second pressure gauge, the first pressure gauge is arranged on the air inlet and is arranged on one side of the first detection piece, the first pressure gauge is suitable for detecting the pressure of the air inlet, the second pressure gauge is arranged on the air inducing mechanism and is suitable for detecting the pressure of the air outlet, and the first pressure gauge and the second pressure gauge are suitable for detecting the air inlet and outlet pressure difference of the shell;
and the control system is connected with the adjusting assembly, the detection mechanism, the control mechanism and the pressure detection mechanism, and is suitable for calculating the separation rate according to the detection value of the detection mechanism, detecting and calculating the pressure loss by the pressure detection mechanism and performing feedback control on the action of the adjusting assembly and the control valve.
Furthermore, guide vanes include first guide vanes and second guide vanes, first guide vanes set up the upper end of second guide vanes, the both ends of first guide vanes are connected with second guide vanes and first play tuber pipe respectively, the other end and the second play tuber pipe of second guide vanes are connected.
Further, the adjusting assembly comprises a plurality of first adjusters and a plurality of second adjusters, the plurality of first adjusters and the plurality of second adjusters are arranged on the shell along the circumferential direction, the first adjusters are matched with the first guide vanes, and the second adjusters are matched with the second guide vanes.
Furthermore, a reflecting screen suitable for redirecting the air flow is further arranged on the second air outlet pipe.
Furthermore, the control valve includes first control valve and second control valve, first control valve sets up on the first tuber pipe, the second control valve sets up on the second tuber pipe.
Furthermore, induced air mechanism is including gathering tuber pipe and fan, first play tuber pipe with the second goes out the tuber pipe and is connected with the fan through gathering the tuber pipe, the second pressure gauge sets up on gathering the tuber pipe.
Furthermore, an exhaust tail pipe suitable for exhausting air is further arranged on the fan.
The invention has the following advantages:
1. the invention provides a cyclone dust removing device, comprising: casing, detection mechanism, dust removal mechanism, control valve, pressure detection mechanism and control system. The shell comprises an air inlet and a dust outlet, the air inlet is arranged on the side part of one end of the shell, and the dust outlet is arranged at the bottom of the shell; the detection mechanism comprises a first detection piece and a second detection piece, the first detection piece is arranged on the air inlet, the second detection piece is arranged at the dust outlet, and the first detection piece and the second detection piece are suitable for respectively detecting the dust amount of the air inlet and the dust discharge amount of the dust outlet; the dust removal mechanism comprises an air outlet pipe, guide vanes and an air inducing mechanism, the air outlet pipe is arranged along the axial direction of the shell and is fixed relative to the shell, the air outlet pipe comprises a first air outlet pipe and a second air outlet pipe, the guide vanes are positioned between the first air outlet pipe and the second air outlet pipe, two ends of each guide vane are respectively connected with the first air outlet pipe and the second air outlet pipe, the other ends of the first air outlet pipe and the second air outlet pipe are both connected with the air inducing mechanism, and the guide vanes are provided with adjusting components suitable for adjusting the angles of the guide vanes; the control valve is arranged on the first air outlet pipe and/or the second air outlet pipe and is suitable for controlling the air outlet quantity of the first air outlet pipe and/or the second air outlet pipe; the pressure detection mechanism comprises a first pressure gauge and a second pressure gauge, the first pressure gauge is arranged on the air inlet and is arranged on one side of the first detection piece, the first pressure gauge is suitable for detecting the pressure of the air inlet, the second pressure gauge is arranged on the air inducing mechanism, the second pressure gauge is suitable for detecting the pressure of the air outlet, and the first pressure gauge and the second pressure gauge are suitable for detecting the air inlet and outlet pressure difference of the shell; the control system is connected with the adjusting assembly, the detection mechanism, the control mechanism and the pressure detection mechanism, and is suitable for calculating the separation rate according to the detection value of the detection mechanism, detecting and calculating the pressure loss by the pressure detection mechanism and performing feedback control on the action of the adjusting assembly and the control valve.
According to the cyclone dust removal device with the structure, the first detection piece and the second detection piece are arranged at the air inlet and the dust outlet of the shell and are connected with the control system, so that the dust separation rate in the shell can be detected and calculated in real time, the control valve is arranged on the air outlet pipe and is connected with the control system, the opening of the control valve can be adjusted according to the real-time separation rate, and the separation rate is further adjusted; through setting up the pressure measurement subassembly, can real-time detection casing business turn over wind pressure differential to be provided with the adjusting part who is used for adjusting the guide vane angle on the guide vane, the adjusting part is connected with control system, can pass through the adjusting part according to real-time business turn over wind pressure differential and adjust the guide vane angle, thereby realize business turn over wind loss's adjustment. Furthermore, the better coordination rule of the separation rate and the pressure loss is matched, and the pressure loss is reduced while the separation efficiency in the shell is ensured.
2. The cyclone dust removal device with the structure has the advantages that the reflecting screen is arranged on the second air outlet pipe, so that the reversing of the internal and external cyclone flow at the lower part of the shell is determined orderly, the back-mixing effect caused by the upward rotation of the cyclone flow on the dust separated at the lower part of the shell is avoided, and the separation efficiency is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a cyclone dust collector in an embodiment of the present invention;
FIG. 2 is a top view of a first guide vane in an embodiment of the present invention;
description of reference numerals:
1. a housing; 11. an air inlet; 2. a dust removal mechanism; 21. a first guide vane; 22. a second guide vane; 23. a first regulator; 24. a second regulator; 25. a first air outlet pipe; 26. a second air outlet pipe; 27. a first control valve; 28. a second control valve; 29. a reflective screen; 3. an air inducing mechanism; 31. a fan; 32. a tail pipe for exhausting air; 4. a control system; 5. collecting air pipes; 6. a first detecting member; 7. a second detecting member; 8. a first pressure gauge; 9. a second pressure gauge.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 and 2, the present invention provides a cyclone dust removing apparatus, comprising: casing 1, detection mechanism, dust removal mechanism, control valve, pressure detection mechanism and control system 4. The casing 1 includes air intake 11 and dust outlet, and air intake 11 sets up the upper end at casing 1, and the lower extreme setting of casing 1 is the dust outlet of back taper structure. Detection mechanism includes first detection piece 6 and second detection piece 7, and first detection piece 6 sets up on air intake 11, and the dust volume of first detection piece 6 detectable air inlet, second detection piece 7 set up the one end at the dirt mouth, and second detection piece 7 is used for detecting the dust exhaust volume and the lock wind of air outlet.
The dust removing mechanism 2 comprises guide vanes, an air outlet pipe and an air inducing mechanism 3. The air outlet pipes comprise a first air outlet pipe 25 and a second air outlet pipe 26, and the first air outlet pipe 25 is arranged on the upper portion of the second air outlet pipe 26. The guide vane is also provided with an adjusting component which can be used for adjusting the angle of the guide vane.
The control valve is arranged on the first air outlet pipe 25 and the second air outlet pipe 26, and the control valve is used for controlling the air outlet quantity of the first air outlet pipe 25 and the second air outlet pipe 26. In other embodiments, the control valve may be provided only on the first air outlet pipe 25 or the second air outlet pipe 26.
The pressure detection assembly comprises a first pressure gauge 8 and a second pressure gauge 9. The first pressure gauge 8 is arranged on the air inlet 11 and on the right side of the first detection piece 6, and the first pressure gauge 8 is used for detecting the pressure at the air inlet 11 and transmitting the data to the control system 4; the second pressure gauge 9 is arranged on the air inducing mechanism 3, and the second pressure gauge 9 is used for detecting the pressure of the air outlet and transmitting data to the control system 4.
The control system 4 is connected with the control valve and the detection mechanism, the control system 4 can calculate the separation rate according to the detection values of the first detection part 6 and the second detection part 7, and feed back the control valve to adjust the air outlet quantity of the first air outlet pipe 25 and the second air outlet pipe 26, so that the air quantity entering the air outlet channel is increased or decreased to improve or reduce the dust separation rate; the control system 4 is connected with the adjusting assembly and the pressure detecting assembly, the control system 4 can calculate the wind pressure difference of real-time air inlet and air outlet according to the detection value of the control system 4, and feed back the angle of the guide vane to reduce the vortex generated near the guide vane under the current ventilation quantity, so that the adjustment of the air inlet and outlet pressure loss is realized, the coordination rule of the separation rate and the pressure loss is better matched, and the separation efficiency in the shell 1 is ensured. When the control system 4 matches the separation efficiency with the pressure loss, a higher separation efficiency in the housing 1 can be ensured and a lower pressure loss is achieved.
It is easy to understand that the air inlet 11 is disposed at one end of the casing 1, and can form a cyclone by matching with the air outlet pipe axially arranged along the casing 1, so as to separate dust by centrifugal force.
The main function of the detection mechanism is to detect the dust amount, and the common dust flow meter in the prior art is adopted. Preferably, a metering airlock valve is adopted at the dust outlet, has the functions of airlock and online dust flow monitoring, can measure the passing ash discharge flow in real time, and feeds the ash discharge flow back to the control system.
Specifically, the specific structure of the guide vane is not limited, and may be an integral guide vane structure, which can respectively realize the flow guiding function for the first air outlet pipe 25 and the second air outlet pipe 26, and may also be the structure shown in fig. 1: the guide vanes comprise first guide vanes 21 and second guide vanes 22, the lower ends of the first guide vanes 21 are connected with the upper ends of the second guide vanes 22, the upper ends of the first guide vanes 21 are connected with one end of a first air outlet pipe 25, the lower ends of the second guide vanes 22 are connected with one end of a second air outlet pipe 26, and the other ends of the first air outlet pipe 25 and the second air outlet pipe 26 are respectively connected with the air inducing mechanism 3. Therefore, the two branch pipes are respectively and independently controlled, and the operation is more convenient.
Specifically, as shown in fig. 1 and 2, the adjusting assembly includes a plurality of first adjusters 23 and a plurality of second adjusters 24, the plurality of first adjusters 23 and the plurality of second adjusters 24 are all circumferentially disposed on the housing 1, the first adjusters 23 are engaged with the first guide vanes 21, and the second adjusters 24 are engaged with the second guide vanes 22. Preferably, three first adjusters 23 and three second adjusters 24 are provided on the housing 1. In other alternative embodiments, four or another number of first and second adjusters 23, 24 may be provided on the housing 1.
It should be understood that the software that depends on the function of the control system is easy to design by those skilled in the art, for example, the dust discharge amount of the dust outlet/the dust amount of the dust inlet is used to obtain the separation rate; for another example, the separation rate is too low, and the control valve adjusts the air output of the first air outlet pipe 25 and the second air outlet pipe 26, so that the inlet air is larger, and the separation rate is improved.
Specifically, the control valves include a first control valve 27 and a second control valve 28. The first control valve 27 is arranged on the first air outlet pipe 25, and the control system 4 can control the first control valve 27 to open and close, so that the air outlet quantity of the first air outlet pipe 25 can be controlled; the second control valve 28 is disposed on the second air outlet pipe 26, and similarly, the control system 4 can control the second control valve 28 to open and close, so as to control the air outlet amount of the second air outlet pipe 26. The control system 4 can calculate the separation rate in the casing 1 through the data transmitted by the first detection part 6 and the second detection part 7, and control the air output of the first air outlet pipe 25 and the second air outlet pipe 26, so that the separation rate in the casing 1 can be improved or reduced, the coordination rule of the separation rate and the pressure loss can be better matched, and the separation efficiency in the casing can be ensured.
Further, induced air mechanism 3 is including gathering tuber pipe 5 and fan 31, the one end that first tuber pipe 25 and second go out 26 air-outs with gather tuber pipe 5 intercommunication to be connected with fan 31 through gathering tuber pipe 5. Second pressure gauge 9 sets up on gathering tuber pipe 5, and second pressure gauge 9 is used for detecting the air-out pressure in gathering tuber pipe 5. The fan 31 is further provided with an exhaust tail pipe 32 adapted to exhaust air.
Based on the above embodiments, the working principle of the present invention is as follows:
the first detection piece 6 obtains the dust amount f entering the air inlet 11, the second detection piece 7 obtains the dust discharge amount L of the dust outlet of the shell 1, and the control system 4 calculates the separation rate eta which is f/L; the first pressure gauge 8 measures an inlet pressure P1, the second pressure gauge 9 measures an outlet pressure P2, the control system 4 calculates a pressure loss delta P which is P1-P2, the measured separation efficiency eta and the pressure loss delta P are related to change, after a period of time is monitored, the control system 4 selects proper eta and delta P values in the period of time as an optimal control node, namely an optimal separation efficiency and resistance loss combination, and the control system 4 adjusts and maintains the state when the positions of a guide vane and a control valve are the optimal control node.
When the inlet working condition changes, namely the inlet air speed or the gas dust content changes beyond a certain range, the control system 4 automatically repeats the operation, obtains the optimal separation efficiency and resistance loss combination after the working condition changes, and keeps the positions of the corresponding guide vanes and the corresponding control valve.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (7)

1. A cyclone dust removing apparatus, comprising:
the dust collector comprises a shell (1) and a dust collecting device, wherein the shell (1) comprises an air inlet (11) and a dust outlet, the air inlet (11) is arranged on the side part of one end of the shell (1), and the dust outlet is arranged at the bottom of the shell (1);
the detection mechanism comprises a first detection piece (6) and a second detection piece (7), the first detection piece (6) is arranged on the air inlet (11), the second detection piece (7) is arranged at the dust outlet, and the first detection piece (6) and the second detection piece (7) are suitable for respectively detecting the dust amount of the air inlet (11) and the dust discharge amount of the dust outlet;
the dust removal mechanism (2) comprises an air outlet pipe, guide vanes and an air inducing mechanism (3), the air outlet pipe is arranged along the axial direction of the shell (1) and is fixed relative to the shell (1), the air outlet pipe comprises a first air outlet pipe (25) and a second air outlet pipe (26), the guide vanes are positioned between the first air outlet pipe (25) and the second air outlet pipe (26), two ends of the guide vanes are respectively connected with the first air outlet pipe (25) and the second air outlet pipe (26), the other ends of the first air outlet pipe (25) and the second air outlet pipe (26) are both connected with the air inducing mechanism (3), and the guide vanes are provided with adjusting components suitable for adjusting the angles of the guide vanes;
the control valve is arranged on the first air outlet pipe (25) and/or the second air outlet pipe (26) and is suitable for controlling the air outlet quantity of the first air outlet pipe (25) and/or the second air outlet pipe (26);
the pressure detection mechanism comprises a first pressure gauge (8) and a second pressure gauge (9), the first pressure gauge (8) is arranged on the air inlet (11) and is arranged on one side of the first detection piece (6), the first pressure gauge (8) is suitable for detecting the pressure of the air inlet (11), the second pressure gauge (9) is arranged on the air inducing mechanism (3), the second pressure gauge (9) is suitable for detecting the pressure of the air outlet, and the first pressure gauge (8) and the second pressure gauge (9) are suitable for detecting the air inlet and outlet pressure difference of the shell (1);
and the control system (4) is connected with the adjusting assembly, the detection mechanism, the control mechanism and the pressure detection mechanism, is suitable for calculating the separation rate according to the detection value of the detection mechanism, detecting and calculating the pressure loss by the pressure detection mechanism and controlling the adjusting assembly and the control valve to act in a feedback mode.
2. The cyclone dust removing apparatus as claimed in claim 1, further comprising:
the guide vane comprises a first guide vane (21) and a second guide vane (22), the first guide vane (21) is arranged at the upper end of the second guide vane (22), two ends of the first guide vane (21) are respectively connected with the second guide vane (22) and a first air outlet pipe (25), and the other end of the second guide vane (22) is connected with a second air outlet pipe (26).
3. The cyclone dust removing apparatus as claimed in claim 2, wherein:
the adjusting assembly comprises a plurality of first adjusters (23) and a plurality of second adjusters (24), wherein the first adjusters (23) and the second adjusters (24) are arranged on the shell (1) along the circumferential direction, the first adjusters (23) are matched with the first guide vanes (21), and the second adjusters (24) are matched with the second guide vanes (22).
4. The cyclone dust removing apparatus as claimed in any one of claims 3, wherein:
and a reflecting screen (29) suitable for redirecting the airflow is also arranged on the second air outlet pipe (26).
5. The cyclone dust removing apparatus as set forth in any one of claims 1 to 4, wherein:
the control valve comprises a first control valve (27) and a second control valve (28), the first control valve (27) is arranged on the first air outlet pipe (25), and the second control valve (28) is arranged on the second air outlet pipe (26).
6. The cyclone dust removing apparatus of claim 5, wherein:
induced air mechanism (3) are including gathering tuber pipe (5) and fan (31), first play tuber pipe (25) with second play tuber pipe (26) are connected with fan (31) through gathering tuber pipe (5), second pressure gauge (9) set up on gathering tuber pipe (5).
7. The cyclone dust removing apparatus of claim 6, wherein:
and an exhaust tail pipe (32) suitable for exhausting is also arranged on the fan (31).
CN202210487905.0A 2022-05-06 2022-05-06 Cyclone dust removal device Pending CN114932018A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210487905.0A CN114932018A (en) 2022-05-06 2022-05-06 Cyclone dust removal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210487905.0A CN114932018A (en) 2022-05-06 2022-05-06 Cyclone dust removal device

Publications (1)

Publication Number Publication Date
CN114932018A true CN114932018A (en) 2022-08-23

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Application Number Title Priority Date Filing Date
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JPH08323244A (en) * 1995-05-31 1996-12-10 Chugoku Electric Power Co Inc:The Variable classification type cyclone
CN2461658Y (en) * 2000-12-27 2001-11-28 倪文龙 Guide outlet adjusting and double air outlet cyclone separator
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