CN115518780A - Cyclone separator with adjustable separation efficiency and adjusting method - Google Patents
Cyclone separator with adjustable separation efficiency and adjusting method Download PDFInfo
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- CN115518780A CN115518780A CN202211187608.0A CN202211187608A CN115518780A CN 115518780 A CN115518780 A CN 115518780A CN 202211187608 A CN202211187608 A CN 202211187608A CN 115518780 A CN115518780 A CN 115518780A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C11/00—Accessories, e.g. safety or control devices, not otherwise provided for, e.g. regulators, valves in inlet or overflow ducting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/02—Construction of inlets by which the vortex flow is generated, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
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Abstract
The invention discloses a cyclone separator with adjustable separation efficiency, which comprises a separator body and a controller, wherein the separator body comprises a cylinder, a cone and an ash discharge hopper which are sequentially arranged from top to bottom; the air inlet pipe is provided with a first adjusting mechanism for adjusting the section of the air inlet, a pressure relief pipe, a first flowmeter and a second flowmeter; the lower end of the cone is also provided with a second adjusting mechanism for adjusting pressure, and the ash discharge hopper is provided with a discharge speed monitor matched with the second adjusting mechanism. The cyclone separator with adjustable separation efficiency can automatically adjust the flow velocity of the airflow to adapt to the separation efficiency of the separator under different working conditions, reduce the load of the excessive air volume on the cyclone separator body, quickly cope with the blockage phenomenon of the ash discharge hopper and improve the separation effect.
Description
Technical Field
The invention belongs to the technical field of cyclone separators, and particularly relates to a cyclone separator with adjustable separation efficiency. The invention also relates to a method for adjusting a cyclone separator with adjustable separation efficiency.
Background
The cyclone separator has the advantages of simple structure, low manufacturing cost, higher efficiency, moderate pressure drop, simple operation, less maintenance and the like, can be used in harsh process environments such as high temperature, high pressure, high particle concentration, high abrasion, high corrosion and the like, and is widely applied to the fields of petrochemical industry, environmental protection and dust removal and the like. The cyclone separator is a common gas-solid separation device, dust-containing gas is converted from linear motion into high-speed rotary motion after entering the cyclone separator, solid particles overcome the streaming resistance under the action of centrifugal force and move to the wall of the separator so as to realize the separation of the solid particles from the gas, and the gas spirally moves upwards along the central line of the cyclone separator and is discharged.
The gas flow entering the rotating separator affects the gas flow rate at the air inlet, and the gas flow rate affects the separation efficiency. When the gas flow velocity is too low, the separation efficiency is not high; however, when the speed of the airflow is too high, the phenomena of vortex and back mixing are easy to occur seriously, the abrasion of the wall of the cyclone separator is aggravated, and the separation efficiency is also reduced, so that the air inlet speed of the airflow needs to be adjusted, and the working efficiency of the cyclone separator is ensured to be in the optimal state. However, in the actual production process, the inlet air inflow of the cyclone separator is generally not constant, and the inlet gas flow is reduced or increased according to the great fluctuation change of working conditions, so that the inlet speed of the gas flow at the cyclone separator is influenced, the separation efficiency is further influenced, and the rotary separator is unstable in work. Simultaneously, cyclone's separation efficiency or entry air input still influence the ash discharge of ash bucket, when the too big or separation efficiency of entry air input amount of wind is higher than the operating mode demand, lead to easily that the ash bucket unloads the ash and is obstructed, influence the separation effect.
Disclosure of Invention
The invention aims to: in order to overcome the defects, the invention aims to provide the cyclone separator with adjustable separation efficiency, the cyclone separator is simple and reasonable in structure, the airflow speed can be automatically adjusted to adapt to the separation efficiency of the separator under different working conditions through the arrangement of the first adjusting mechanism, the pressure relief pipe and the second adjusting mechanism, the load of overlarge airflow on a cyclone separator body can be reduced, the blockage phenomenon of an ash discharge hopper can be quickly responded, and the separation effect is improved.
The technical scheme is as follows: a cyclone separator with adjustable separation efficiency comprises a separator body and a controller, wherein the separator body comprises a cylinder body, a cone and an ash discharge hopper which are sequentially arranged from top to bottom, an air inlet pipe is arranged at one side of the cylinder body, and an exhaust pipe is arranged at the top of the cylinder body; the air inlet pipe is provided with a first adjusting mechanism for adjusting the section of the air inlet, the air inlet pipe is also provided with a pressure relief pipe, a first flowmeter and a second flowmeter, the first flowmeter is positioned at the upstream of the first adjusting mechanism, and the pressure relief pipe and the second flowmeter are sequentially arranged at the downstream of the first adjusting mechanism; the lower end of the cone is also provided with a second adjusting mechanism for adjusting pressure, and the ash discharge hopper is provided with a discharge speed monitor matched with the second adjusting mechanism; the first adjusting mechanism, the first flowmeter, the second adjusting mechanism and the discharging speed monitor are all electrically connected with the controller.
Further, the cyclone with adjustable foretell separation efficiency, first adjustment mechanism is including locating the regulating plate in the intake pipe, regulating plate one end is articulated with the intake pipe inner wall, and other end side is equipped with the slider, slider and regulating plate sliding connection, be equipped with articulated lifter with it on the slider, the lifter is kept away from the one end of slider and is stretched out the intake pipe and be connected with the driving piece.
Furthermore, in the cyclone separator with adjustable separation efficiency, the driving part comprises a motor and a worm and gear mechanism, the output end of the motor is connected with the worm shaft of the worm and gear mechanism, and the lifting rod is connected with the output end of the worm and gear mechanism; the driving piece passes through the installed part and installs in the intake pipe outside, the installed part include with intake pipe outer wall complex staple bolt, fixedly connected with mounting panel on the staple bolt, the driving piece is fixed on the mounting panel. Preferably, the mounting plate and the outer wall of the air inlet pipe are provided with concentric through holes, and the through holes of the air inlet pipe are provided with sealing pieces matched with the lifting rods.
Furthermore, in the cyclone separator with adjustable separation efficiency, the adjusting plate is a bent plate and comprises an inclined plate obliquely arranged with the air inlet pipe and a folded plate arranged at the tail end of the inclined plate, the inclined plate is hinged with the inner wall of the air inlet pipe, and the hinged end of the inclined plate is provided with an elastic plate which is fixed on the inner wall of the air inlet pipe and is in elastic contact connection with the inner wall; and a slide rail is arranged on the rear side of the inclined plate, and the slide block is connected with the slide rail in a sliding manner.
Furthermore, in the cyclone separator with adjustable separation efficiency, the pressure release pipe is arranged obliquely upwards, one end of the pressure release pipe is connected with the air inlet pipe, the other end of the pressure release pipe is connected with the exhaust pipe, and the pressure release pipe is further provided with a first air volume adjusting valve.
Furthermore, foretell cyclone with adjustable separation efficiency, second adjustment mechanism includes the vortex pipe, the vortex pipe passes through the pipeline, the fan is connected with the blast pipe, the air inlet of fan all is equipped with second tolerance governing valve with the gas vent.
Furthermore, in the cyclone separator with adjustable separation efficiency, the turbulent flow tube is also provided with a gas pressure gauge.
Furthermore, in the cyclone separator with adjustable separation efficiency, the turbulence pipes are arranged obliquely upwards, and the plurality of turbulence pipes are uniformly arranged along the outer peripheral side of the cone.
The invention also provides an adjusting method of the cyclone separator with adjustable separation efficiency, which comprises the following steps:
s1, monitoring the air inflow of an air inlet pipe in real time by adopting a first flowmeter and a second flowmeter, and sending an air inflow signal to a controller, wherein the controller can set parameters such as air inflow and discharging speed according to working conditions;
s2, when the air inflow of the first flowmeter is smaller than the set air inflow, the controller drives the first adjusting mechanism to work according to the air inflow signal, the sectional area of an air flow passage in the air inlet pipe is adjusted, the air flow speed of the cyclone separator is maintained within the set range, and therefore the separation efficiency of the cyclone separator under different working conditions is guaranteed; when the air intake amount detected by any one of the first flow meter and the second flow meter reaches the set air intake amount, the controller controls the first adjusting mechanism to stop working;
s3, when the air inflow of the first flow meter is larger than the set air inflow, the controller drives a first air flow regulating valve on the pressure relief pipe to be opened according to the air inflow signal and controls the air amount discharged by the pressure relief pipe, and when the air inflow detected by the first flow meter and the air inflow detected by the second flow meter reach the set air inflow, the controller controls the first air flow regulating valve to be closed;
s4, when the discharging speed monitor detects that the discharging speed of the ash discharging hopper is lower than a set speed, a discharging speed signal is sent to the controller, the controller controls the second adjusting mechanism to start, the second adjusting mechanism disturbs airflow in the cyclone separator, the second adjusting mechanism controls the air displacement of the turbulent flow pipe through the second air flow adjusting valve, the separation efficiency of the cyclone separator is controllably adjusted quickly, and the separation efficiency of the cyclone separator under different working conditions is adapted.
The technical scheme shows that the invention has the following beneficial effects: according to the cyclone separator with adjustable separation efficiency, the airflow flow speeds under different working conditions are adjusted through the arrangement of the first adjusting mechanism, the pressure relief pipe and the second adjusting mechanism, so that the separation efficiency of the separator under different working conditions is improved, the working condition with excessive load can be further responded through the arrangement of the pressure relief pipe, the load of the excessive air quantity on the air inlet pipe and the cyclone separator body is reduced, and the service life of equipment is prolonged; the blockage phenomenon of the ash discharge hopper can be quickly solved through the arrangement of the second adjusting mechanism, so that the separation effect is improved.
Drawings
FIG. 1 is a schematic diagram of a cyclone separator with adjustable separation efficiency according to the present invention;
FIG. 2 is a partial schematic view of a first adjustment mechanism of the cyclone separator with adjustable separation efficiency according to the present invention;
in the figure: 1. the device comprises a separator body, a barrel 11, a cone 12, an ash discharge hopper 13, an air inlet pipe 2, an air outlet pipe 3, a first adjusting mechanism 4, an adjusting plate 41, an inclined plate 411, a folded plate 412, a sliding block 42, a lifting rod 43, a motor 44, a worm and gear mechanism 45, a hoop 46, a mounting plate 47, an elastic plate 48, a sliding rail 49, a pressure relief pipe 5, a first air quantity adjusting valve 51, a first flowmeter 6, a second flowmeter 7, a second flowmeter 8, a second adjusting mechanism 81, a turbulent flow pipe 82, a fan 83, a second air quantity adjusting valve 84, an air pressure gauge 9 and a discharge speed monitor.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and 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, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; 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 by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
As shown in fig. 1-2, a cyclone separator with adjustable separation efficiency comprises a separator body 1 and a controller, wherein the separator body 1 comprises a cylinder 11, a cone 12 and an ash discharge hopper 13 which are sequentially arranged from top to bottom, one side of the cylinder 11 is provided with an air inlet pipe 2, and the top of the cylinder 11 is provided with an exhaust pipe 3; the air inlet pipe 2 is provided with a first adjusting mechanism 4 for adjusting the cross section of an air inlet, the air inlet pipe 2 is also provided with a pressure relief pipe 5, a first flow meter 6 and a second flow meter 7, the first flow meter 6 is positioned at the upstream of the first adjusting mechanism 4, and the pressure relief pipe 5 and the second flow meter 7 are sequentially arranged at the downstream of the first adjusting mechanism 4; the lower end of the cone 12 is also provided with a second adjusting mechanism 8 for adjusting pressure, and the ash discharging hopper 13 is provided with a discharging speed monitor 9 matched with the second adjusting mechanism 8; the first adjusting mechanism 4, the first flowmeter 6, the second flowmeter 7, the second adjusting mechanism 8 and the discharging speed monitor 9 are all electrically connected with a controller. The first adjusting mechanism 4 is arranged on the air inlet pipe 2 to adjust the cross section area of air circulation of the air inlet, so that the air flow velocity under different working conditions is adjusted, the air flow velocity of the cyclone separator is maintained within a set range, and the separation efficiency of the separator under different working conditions is improved; the pressure relief pipe 5 is arranged, so that the flow velocity of gas can be quickly adjusted by combining with the first adjusting mechanism 4 when the air inflow is too large, the cyclone separator has quick adjusting capability to cope with the working condition of excessive load, the load of the excessive air amount on the air inlet pipe 2 and the separator body 1 is reduced, and the service life of the device is prolonged; set up second adjustment mechanism 8 through cone 12 lower extreme, carry out the disturbance to the air current of unloading dirt bucket 13 upper end, adjust cyclone's separation efficiency through the disturbance degree of controlling second adjustment mechanism 8, come the jam phenomenon of coping with the unloading dirt bucket fast or adapt to cyclone separation efficiency under different operating modes.
In the structure, as shown in fig. 1-2, the first adjusting mechanism 4 includes an adjusting plate 41 disposed in the air inlet pipe 2, the height of the adjusting plate 41 is adapted to the height of the air inlet pipe 2, one end of the adjusting plate 41 is hinged to the inner wall of the air inlet pipe 2, a sliding block 42 is disposed on the side face of the other end of the adjusting plate 41, the sliding block 42 is connected to the adjusting plate 41 in a sliding manner, a lifting rod 43 hinged to the sliding block 42 is disposed on the sliding block 42, and the end, far away from the sliding block, of the lifting rod 43 extends out the air inlet pipe 2 and is connected to the driving member. The lifting rod 43 lifts to drive the sliding block 42 to slide on the adjusting plate 41 and drive the adjusting plate 42 to rotate, and the cross section area of the air flowing in the air inlet pipe 2 is adjusted, so that the flow rate of the air is adjusted, different air inflow is adapted, and the separation efficiency of the cyclone separator under different working conditions is ensured.
The driving part comprises a motor 44 and a worm and gear mechanism 45, the output end of the motor 44 is connected with a worm shaft of the worm and gear mechanism, and the lifting rod 43 is connected with the output end of the worm and gear mechanism 45; the driving piece passes through the installed part and installs in the intake pipe 2 outside, the installed part include with 2 outer wall complex staple bolts 46 of intake pipe, fixedly connected with mounting panel 47 on the staple bolt 46, the driving piece is fixed on mounting panel 47, and the staple bolt 46 installation is simple, and need not carry out other processing transformation to intake pipe 2. Preferably, be equipped with concentric through-hole on mounting panel 47, the intake pipe 2 outer wall, lifter 43 and through-hole sliding connection, be equipped with on the through-hole of intake pipe 2 with lifter 43 complex sealing member, guarantee the leakproofness of intake pipe.
The adjusting plate 41 is a bent plate and comprises an inclined plate 411 arranged obliquely with the air inlet pipe 2 and a folded plate 412 arranged at the tail end of the inclined plate 411, the inclined plate 411 is arranged to enable the adjusted air flow to pass through a changed gas inlet smoothly, the stability of the equipment is improved, the inclined plate 411 is hinged to the inner wall of the air inlet pipe 2, an elastic plate 48 in elastic contact connection with the hinged end of the inclined plate 411 is arranged at the hinged end of the inclined plate 411, the elastic plate 48 is fixed to the inner wall of the air inlet pipe 2, the sealing performance of the hinged position of the adjusting plate 41 can be guaranteed through the arrangement of the elastic plate 48, the air flow is prevented from flowing into the rear side of the adjusting plate 41, and therefore the adjusting precision of the first adjusting mechanism 4 is improved; and the rear side of the sloping plate 411 is provided with a slide rail 49, the sliding block 42 is connected with the slide rail 49 in a sliding manner, and the rear end of the slide rail 49 is close to the folding plate 412, so that the sliding block 42 is prevented from sliding out of the slide rail 49.
Example 2
As shown in fig. 1-2, a cyclone separator with adjustable separation efficiency comprises a separator body 1 and a controller, wherein the separator body 1 comprises a cylinder 11, a cone 12 and an ash discharge hopper 13 which are sequentially arranged from top to bottom, one side of the cylinder 11 is provided with an air inlet pipe 2, and the top of the cylinder 11 is provided with an exhaust pipe 3; the air inlet pipe 2 is provided with a first adjusting mechanism 4 for adjusting the cross section of an air inlet, the air inlet pipe 2 is also provided with a pressure relief pipe 5, a first flow meter 6 and a second flow meter 7, the first flow meter 6 is positioned at the upstream of the first adjusting mechanism 4, and the pressure relief pipe 5 and the second flow meter 7 are sequentially arranged at the downstream of the first adjusting mechanism 4; the lower end of the cone 12 is also provided with a second adjusting mechanism 8 for adjusting pressure, and the ash discharging hopper 13 is provided with a discharging speed monitor 9 matched with the second adjusting mechanism 8; the first adjusting mechanism 4, the first flowmeter 6, the second flowmeter 7, the second adjusting mechanism 8 and the discharging speed monitor 9 are all electrically connected with a controller. The first adjusting mechanism 4 is arranged on the air inlet pipe 2 to adjust the cross section area of air circulation of the air inlet, so that the air flow velocity under different working conditions is adjusted, the air flow velocity of the cyclone separator is maintained within a set range, and the separation efficiency of the separator under different working conditions is improved; the pressure relief pipe 5 is arranged, so that the flow velocity of gas can be quickly adjusted by combining with the first adjusting mechanism 4 when the air inflow is too large, the cyclone separator has quick adjusting capability to cope with the working condition of excessive load, the load of the excessive air amount on the air inlet pipe 2 and the separator body 1 is reduced, and the service life of the device is prolonged; set up second adjustment mechanism 8 through cone 12 lower extreme, carry out the disturbance to the air current of unloading dirt bucket 13 upper end, adjust cyclone's separation efficiency through the disturbance degree of controlling second adjustment mechanism 8, come the jam phenomenon of coping with the unloading dirt bucket fast or adapt to cyclone separation efficiency under different operating modes.
In the structure, as shown in fig. 1-2, the first adjusting mechanism 4 includes an adjusting plate 41 disposed in the air inlet pipe 2, the height of the adjusting plate 41 is adapted to the height of the air inlet pipe 2, one end of the adjusting plate 41 is hinged to the inner wall of the air inlet pipe 2, a sliding block 42 is disposed on the side face of the other end of the adjusting plate 41, the sliding block 42 is connected to the adjusting plate 41 in a sliding manner, a lifting rod 43 hinged to the sliding block 42 is disposed on the sliding block 42, and the end, far away from the sliding block, of the lifting rod 43 extends out the air inlet pipe 2 and is connected to the driving member. The lifting rod 43 lifts to drive the sliding block 42 to slide on the adjusting plate 41 and drive the adjusting plate 42 to rotate, and the cross section area of the air flowing in the air inlet pipe 2 is adjusted, so that the flow rate of the air is adjusted, different air inflow is adapted, and the separation efficiency of the cyclone separator under different working conditions is ensured.
The driving part comprises a motor 44 and a worm and gear mechanism 45, the output end of the motor 44 is connected with a worm shaft of the worm and gear mechanism, and the lifting rod 43 is connected with the output end of the worm and gear mechanism 45; the driving piece passes through the installed part and installs in the intake pipe 2 outside, the installed part include with 2 outer wall complex staple bolts 46 of intake pipe, fixedly connected with mounting panel 47 on the staple bolt 46, the driving piece is fixed on mounting panel 47, and the staple bolt 46 installation is simple, and need not carry out other processing transformation to intake pipe 2. Preferably, be equipped with concentric through-hole on mounting panel 47, the 2 outer walls of intake pipe, lifter 43 and through-hole sliding connection, be equipped with on the through-hole of intake pipe 2 with lifter 43 complex sealing member, guarantee the leakproofness of intake pipe.
The adjusting plate 41 is a bending plate and comprises an inclined plate 411 arranged obliquely with the air inlet pipe 2 and a folded plate 412 arranged at the tail end of the inclined plate 411, the inclined plate 411 is arranged to enable the adjusted air flow to smoothly pass through a changed gas inlet, the stability of the equipment is improved, the inclined plate 411 is hinged to the inner wall of the air inlet pipe 2, an elastic plate 48 in elastic contact connection with the hinged end of the inclined plate 411 is arranged at the hinged end of the inclined plate 411, the elastic plate 48 is fixed to the inner wall of the air inlet pipe 2, the sealing performance of the hinged position of the adjusting plate 41 can be guaranteed through the arrangement of the elastic plate 48, the air flow is prevented from flowing into the rear of the adjusting plate 41, and therefore the adjusting precision of the first adjusting mechanism 4 is improved; and the rear side of the sloping plate 411 is provided with a slide rail 49, the sliding block 42 is connected with the slide rail 49 in a sliding way, and the rear end of the slide rail 49 is close to the folded plate 412, so that the sliding block 42 is prevented from sliding out of the slide rail 49.
In addition, as shown in fig. 1, the pressure relief pipe 5 is disposed obliquely upward, one end of the pressure relief pipe is connected to the intake pipe 2, and the other end of the pressure relief pipe is connected to the exhaust pipe 3, and the pressure relief pipe 5 is further provided with a first air volume adjusting valve 51. The first air quantity regulating valve 51 is used for regulating the flow passing through the pressure relief pipe 5, so that the pressure relief air quantity can be better controlled, and the regulating accuracy is improved.
In addition, as shown in fig. 1, the second adjusting mechanism 58 includes a turbulent flow pipe 81, the turbulent flow pipe 81 is connected to the exhaust pipe 3 through a pipeline and a fan 82, and a second air volume adjusting valve 83 is disposed at an air inlet and an air outlet of the fan 82. The turbulent flow pipe 81 is introduced into the air flow in the exhaust pipe 3 through the fan 82 to adjust the separation efficiency, the air flow is homologous, mixed pollution is reduced, energy is saved, consumption is reduced, the second air flow adjusting valve 83 is used for adjusting the flow passing through the turbulent flow pipe 81, the degree of turbulent flow is better controlled, and the adjustment accuracy is improved.
The turbulent flow tube 81 is also provided with an air pressure gauge 84 for controlling the air pressure of the turbulent flow tube 81 in real time, so that the monitoring is convenient.
The turbulent flow tubes 81 are arranged obliquely upwards, and a plurality of turbulent flow tubes 81 are arranged and uniformly arranged along the outer peripheral side of the cone 12. The arrangement can better disturb the dust upwards, so that the dust can better return to the gas rising in the cylinder body, and the dust is carried by the gas and is discharged from the exhaust pipe 3, and the separation efficiency of the cyclone separator is effectively adjusted.
A method of adjusting a cyclone separator having an adjustable separation efficiency, comprising the steps of:
s1, monitoring the air inflow of an air inlet pipe 2 in real time by adopting a first flowmeter 6 and a second flowmeter 7, and sending an air inflow signal to a controller, wherein the controller can set parameters such as air inflow and discharging speed according to working conditions;
s2, when the air inflow of the first flowmeter 6 is smaller than the set air inflow, the controller drives the first adjusting mechanism 4 to work according to an air inflow signal, the sectional area of an air flow passage in the air inlet pipe 2 is adjusted, the gas flow speed of the cyclone separator is maintained in a set range, and therefore the separation efficiency of the cyclone separator under different working conditions is guaranteed; when the air intake amount detected by any one of the first flow meter 6 and the second flow meter 7 reaches the set air intake amount, the controller controls the first adjusting mechanism 4 to stop working;
s3, when the air inflow of the first flow meter 6 is larger than the set air inflow, the controller drives the first air flow regulating valve 51 on the pressure relief pipe 5 to be opened according to the air inflow signal, the air amount discharged from the pressure relief pipe 5 is controlled, and when the air inflow detected by the first flow meter 6 and the air inflow detected by the second flow meter 7 reach the set air inflow, the controller controls the first air flow regulating valve 51 to be closed; it should be noted that when the first air flow regulating valve 51 is opened, the position of the regulating plate in the air inlet pipe is the maximum cross-sectional area through which the air flow passes;
s4, when the discharging speed monitor 9 detects that the discharging speed of the ash discharging hopper 13 is lower than a set speed, namely the ash discharging hopper is blocked, immediately sending a discharging speed signal to the controller, controlling the second adjusting mechanism 8 to start by the controller, disturbing the gas separation process in the cyclone separator by the second adjusting mechanism 8, controlling the exhaust volume of the turbulent flow pipe 81 through the second air volume adjusting valve 8, rapidly and controllably adjusting the separation efficiency of the cyclone separator, and adapting to the separation efficiency of the cyclone separator under different working conditions.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (9)
1. A cyclone separator with adjustable separation efficiency is characterized in that: the separator comprises a separator body (1) and a controller, wherein the separator body (1) comprises a cylinder body (11), a cone body (12) and an ash discharge hopper (13) which are sequentially arranged from top to bottom, one side of the cylinder body (11) is provided with an air inlet pipe (2), and the top of the cylinder body is provided with an exhaust pipe (3); the air inlet pipe (2) is provided with a first adjusting mechanism (4) for adjusting the cross section of an air inlet, the air inlet pipe (2) is further provided with a pressure relief pipe (5), a first flowmeter (6) and a second flowmeter (7), the first flowmeter (6) is located at the upstream of the first adjusting mechanism (4), and the pressure relief pipe (5) and the second flowmeter (7) are sequentially arranged at the downstream of the first adjusting mechanism (4); the lower end of the cone (12) is also provided with a second adjusting mechanism (8) for adjusting pressure, and the ash discharging hopper (13) is provided with a discharging speed monitor (9) matched with the second adjusting mechanism (8); the first adjusting mechanism (4), the first flowmeter (6), the second flowmeter (7), the second adjusting mechanism (8) and the discharging speed monitor (9) are all electrically connected with the controller.
2. A separation efficiency adjustable cyclone separator as claimed in claim 1, wherein: first adjustment mechanism (4) are including locating regulating plate (41) in intake pipe (2), regulating plate (41) one end is articulated with intake pipe (2) inner wall, and other end side is equipped with slider (42), slider (42) and regulating plate (41) sliding connection, be equipped with articulated lifter (43) with it on slider (42), the one end that the slider was kept away from in lifter (43) stretches out intake pipe (2) and is connected with the driving piece.
3. A separation efficiency adjustable cyclone separator according to claim 2, wherein: the driving piece comprises a motor (44) and a worm and gear mechanism (45), the output end of the motor (44) is connected with a turbine shaft of the worm and gear mechanism (45), and the lifting rod (43) is connected with the output end of the worm and gear mechanism (45); the driving piece is installed on the outer side of the air inlet pipe (2) through an installation piece, the installation piece comprises an anchor ear (46) matched with the outer wall of the air inlet pipe (2), the anchor ear (46) is fixedly connected with an installation plate (47), and the driving piece is fixed on the installation plate (47); be equipped with concentric through-hole on mounting panel (47), intake pipe (2) outer wall, be equipped with on the through-hole of intake pipe (2) with lifter (43) complex sealing member.
4. A separation efficiency adjustable cyclone separator according to claim 3, wherein: the adjusting plate (41) is a bending plate and comprises an inclined plate (411) obliquely arranged with the air inlet pipe (2) and a folded plate (412) arranged at the tail end of the inclined plate (411), the inclined plate (411) is hinged with the inner wall of the air inlet pipe (2), and an elastic plate (48) which is fixed on the inner wall of the air inlet pipe (2) and is elastically contacted with the inner wall of the air inlet pipe (2) is arranged at the hinged end of the inclined plate (411); and the rear side of the inclined plate (411) is provided with a sliding rail (49), and the sliding block (42) is connected with the sliding rail (49) in a sliding manner.
5. The cyclone separator with adjustable separation efficiency according to claim 4, wherein: the pressure relief pipe (5) is obliquely and upwards arranged, one end of the pressure relief pipe is connected with the air inlet pipe (2), the other end of the pressure relief pipe is connected with the exhaust pipe (3), and a first air volume adjusting valve (51) is further arranged on the pressure relief pipe (5).
6. The adjustable separation efficiency cyclone separator of claim 1 or 5, wherein: the second adjusting mechanism (8) comprises a turbulent flow pipe (81), the turbulent flow pipe (81) is connected with the exhaust pipe (3) through a pipeline and a fan (82), and a second air volume adjusting valve (83) is arranged at an air inlet and an air outlet of the fan (82).
7. The cyclone separator with adjustable separation efficiency as claimed in claim 6, wherein: and the turbulent flow pipe (81) is also provided with a barometer (84).
8. The cyclone separator with adjustable separation efficiency according to claim 7, wherein: the turbulent flow tubes (81) are obliquely and upwards arranged, and the plurality of turbulent flow tubes (81) are uniformly arranged along the outer peripheral side of the cone (12).
9. The method for adjusting a cyclone separator, the separation efficiency of which is adjustable, according to any one of claims 1 to 8, wherein: the method comprises the following steps:
s1, monitoring the air inflow of an air inlet pipe (2) in real time by adopting a first flowmeter (6) and a second flowmeter (7), and sending an air inflow signal to a controller;
s2, when the air inflow of the first flowmeter (6) is smaller than the set air inflow, the controller drives the first adjusting mechanism (4) to work according to an air inflow signal, the sectional area of an air flow passage in the air inlet pipe (2) is adjusted, and the gas flow speed of the cyclone separator is maintained in the set range, so that the separation efficiency of the cyclone separator under different working conditions is ensured; when the air intake amount detected by any one of the first flow meter (6) and the second flow meter (7) reaches the set air intake amount, the controller controls the first adjusting mechanism (4) to stop working;
s3, when the air inflow of the first flow meter (6) is larger than the set air inflow, the controller drives the first air flow regulating valve (51) on the pressure relief pipe (5) to be opened according to the air inflow signal and controls the air amount discharged from the pressure relief pipe (5), and when the air inflow detected by the first flow meter (6) and the second flow meter (7) reaches the set air inflow, the controller controls the first air flow regulating valve (51) to be closed;
s4, when the discharging speed monitor (9) detects that the discharging speed of the ash discharging hopper (13) is lower than a set speed, a discharging speed signal is sent to the controller, the controller controls the second adjusting mechanism (8) to be started, the second adjusting mechanism (8) disturbs airflow in the cyclone separator, the exhaust volume of the turbulent flow pipe (81) is controlled through the second air volume adjusting valve (83), the separation efficiency of the cyclone separator is controllably adjusted quickly, and the separation efficiency of the cyclone separator is adapted to the separation efficiency under different working conditions.
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| CN202211187608.0A CN115518780A (en) | 2022-09-28 | 2022-09-28 | Cyclone separator with adjustable separation efficiency and adjusting method |
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| CN202211187608.0A CN115518780A (en) | 2022-09-28 | 2022-09-28 | Cyclone separator with adjustable separation efficiency and adjusting method |
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| CN116899768A (en) * | 2023-07-26 | 2023-10-20 | 青岛科技大学 | A cyclone separator control method, system and equipment adapted to flow changes |
| CN117259039A (en) * | 2023-07-18 | 2023-12-22 | 西安交通大学 | A cyclone separator used for sampling fly ash from coal-fired boilers in thermal power plants |
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