CN117482681A - Air inlet filter device for centrifugal ventilator - Google Patents
Air inlet filter device for centrifugal ventilator Download PDFInfo
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- CN117482681A CN117482681A CN202311851343.4A CN202311851343A CN117482681A CN 117482681 A CN117482681 A CN 117482681A CN 202311851343 A CN202311851343 A CN 202311851343A CN 117482681 A CN117482681 A CN 117482681A
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- 238000000926 separation method Methods 0.000 claims abstract description 87
- 230000007246 mechanism Effects 0.000 claims abstract description 81
- 239000002245 particle Substances 0.000 claims abstract description 78
- 238000004140 cleaning Methods 0.000 claims abstract description 62
- 238000001914 filtration Methods 0.000 claims abstract description 48
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 50
- 238000003756 stirring Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 20
- 238000009423 ventilation Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000005389 magnetism Effects 0.000 claims 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 8
- 239000000428 dust Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000002775 capsule Substances 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention belongs to the field of air filtration, and particularly relates to an air inlet filter device for a centrifugal ventilator. The accelerating separation mechanism and the self-cleaning separation mechanism are arranged, particles with different particle diameters can be filtered respectively in a multistage filtering mode, and the particles can be filtered in a finer stage, so that the filtering efficiency is higher, the filtering time is shorter, and only smaller particles can reach a finer filter screen for filtering, thereby reducing the risk of blocking a coarser filter screen, reducing the frequency of cleaning and replacing the filter screen, and prolonging the service life of the filter; the driving mechanism and the secondary recovery mechanism are arranged, the manual operation is replaced by the machinery, particles in the particle filter cabin are accurately collected, the permeability and the filtering efficiency of the filter screen can be timely recovered, the filter screen is prevented from being excessively blocked or damaged, the replacement frequency and the maintenance cost of the filter screen are reduced, and meanwhile, the waste of resources is reduced.
Description
Technical Field
The invention belongs to the technical field of air filtration, and particularly relates to an air inlet filter device for a centrifugal ventilator.
Background
The centrifugal ventilator belongs to one kind of impeller machinery, relies on the rotation of impeller to form negative pressure in the fan inside, inhales external gas and discharges the fan through impeller runner and spiral case, and wide application is one of main power consumption equipment in the industrial and agricultural production in each fields such as energy, environment, aviation. When the ventilator works, a large amount of gas is conveyed, dust, impurities and other tiny particulate matters in the outside air can enter the ventilator to damage equipment and mechanical parts, in addition, the dust and the impurities in the air can accumulate in the ventilation system to form dirt, block the air duct and the filter to influence the normal operation of the ventilation system, increase the wear rate and the failure rate of the equipment and shorten the service life of the equipment. Therefore, dust and small particulate matters can be prevented from entering the ventilator by filtering the air flow entering the ventilator, normal operation of the ventilation system is ensured, and the method has important significance in improving the efficiency of the ventilation system, reducing energy consumption and ensuring the stability of ventilation and transportation.
The existing centrifugal ventilator is rarely provided with a dust removing device directly, but under specific environment and requirements, the dust removing device can be matched with the filtering and purifying equipment to achieve the purpose of dust removal, and the existing dust removing device has the following technical defects in use: the filtering material is utilized to filter particles in the air flow, so that on one hand, the filtering material needs to be replaced or cleaned periodically by consuming manpower, on the other hand, the material can generate certain resistance to the flow of the air flow, and in order to obtain a good filtering effect, larger resistance is generated to the air flow, so that the overall energy consumption of the ventilator is increased, and the power is reduced.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the air inlet filtering device for the centrifugal ventilator, which adopts a multistage filtering mode to set an acceleration separating mechanism for inertial filtering and a self-cleaning separating mechanism for filtering a filter screen according to the problem that the resistance to the air flow is increased when the air flow is filtered by directly connecting a filtering material, so that the technical effects that particles with different particle diameters can be filtered respectively are realized, the blocking probability of the filter screen is reduced, the resistance in the filtering process is reduced, the frequency of cleaning and replacing the filter screen is reduced, and the service life of the filter is prolonged; according to the problem that the filter screen is manually cleaned regularly, the driving mechanism and the secondary recovery mechanism are arranged, so that the collection in the particle filter cabin can be accurately carried out, the permeability and the filtering efficiency of the filter screen can be timely recovered, and the technical effect of automatic cleaning of the filter screen is realized.
The technical scheme adopted by the invention is as follows: the invention provides an air inlet filtering device for a centrifugal ventilator, which comprises an accelerating separation mechanism, a self-cleaning separation mechanism, a driving mechanism, a secondary recovery mechanism and a main ventilator, wherein the self-cleaning separation mechanism is connected with an air inlet of the main ventilator, the accelerating separation mechanism is communicated with the self-cleaning separation mechanism, the driving mechanism is in transmission connection with the self-cleaning separation mechanism, the secondary recovery mechanism is communicated with the self-cleaning separation mechanism, air flow enters the main ventilator through the accelerating separation mechanism and the self-cleaning separation mechanism, particles in the air flow are sequentially separated and collected by the accelerating separation mechanism and the self-cleaning separation mechanism, and meanwhile, the particles intercepted by the self-cleaning separation mechanism are collected and treated by the driving mechanism and the secondary recovery mechanism, so that the self-cleaning technical effect is realized.
Further, the self-cleaning separation mechanism comprises a relay cabin, a single-side sealing plate, a split-flow sealing plate, a secondary separation system and a separation transmission system, wherein the relay cabin is connected with an air inlet of the main ventilator, the single-side sealing plate is arranged on the relay cabin, the split-flow sealing plate is arranged on the relay cabin, the secondary separation system is arranged in the relay cabin, and the separation transmission system is movably arranged in the relay cabin.
As a further preferred aspect of the present invention, the secondary separation system includes a rotating platform, a fixed platform and a limiting support, the rotating platform is disposed in the relay cabin, the fixed platform is disposed in the relay cabin, one end of the limiting support is fixedly connected to the rotating platform, and the other end of the limiting support is fixedly connected to the fixed platform.
Further, a particle filter cabin is arranged in the limiting support in a movable manner, adsorption magnetic rings are arranged at two ends of the particle filter cabin, one end of the particle filter cabin is magnetically attracted and fixed with the rotary platform, the other end of the particle filter cabin is magnetically attracted and fixed with the fixed platform, and the main body of the particle filter cabin is composed of a filter screen; in addition, since a part of particles are separated by the acceleration separation mechanism, the separation load of the particulate filter chamber can be reduced, and the replacement frequency and maintenance cost of the particulate filter chamber can be reduced.
Further, the separation transmission system comprises a self-cleaning rotating shaft and a branch rotating cabin, the rotation of the self-cleaning rotating shaft is arranged on the rotating platform, the self-cleaning rotating shaft is simultaneously rotated on the diversion sealing plate, the branch rotating cabin is fixedly connected on the self-cleaning rotating shaft, and the branch rotating cabin is simultaneously rotated on the diversion sealing plate.
As a further preferred mode of the invention, the bottom of the relay cabin is provided with an inertial collection cabin, particles are thrown out of the particle filtration cabin along with the movement of the air flow in the particle filtration cabin due to inertia, and then the particles fall into the inertial collection cabin under the influence of gravity, so that the collection treatment of the particles is realized.
Further, the accelerating and separating mechanism comprises an air inlet cabin, a turbulent flow cabin, a pressurizing cabin, a primary separating cabin and a primary collecting cabin, wherein the primary separating cabin is fixedly connected with the relay cabin, one end of the pressurizing cabin is fixedly connected with the primary separating cabin, one end of the turbulent flow cabin is fixedly connected with the other end of the pressurizing cabin, the air inlet cabin is fixedly connected with the other end of the turbulent flow cabin, the primary collecting cabin is arranged below the primary separating cabin, and a separating channel is arranged in the primary separating cabin.
Further, the turbulence cabin is internally provided with turbulence blades, the movement track of the air flow sent by the air inlet cabin is changed from straight line to spiral forward through the turbulence blades, particles mixed in the air flow can change the movement track along with the air flow, the particles are thrown to the inner wall of the turbulence cabin under the action of centrifugal force due to the fact that the mass of the particles is far greater than that of the air, the change of the movement track of the particles with larger volume is more obvious, then due to the coanda effect (or the coanda effect, the fluid is changed from the original flowing direction to the flowing trend along with the convex object surface, when the surface friction exists between the fluid and the object surface through which the fluid flows, the fluid can flow along the object surface as long as the curvature is not large), the particles cling to the inner wall of the pressurizing cabin and move forward to the primary separation cabin along the spiral track, and the air flow can continue forward under the combined action of inertia and gravity, the particles can fall into the primary collection cabin below the primary separation cabin, and primary separation of the particles in the air flow is realized.
Further, the driving mechanism comprises a driving base, a driving unit and a rotating system, wherein the driving base is arranged on one side of the self-cleaning separating mechanism, the driving unit is arranged on the driving base, the rotating system is arranged on the driving base and is in transmission connection with the driving unit, the rotating system is in transmission connection with the self-cleaning rotating shaft through a coupler, the driving unit consists of a group of motors and a group of speed reducers, output torque can be improved, and resistance generated during transmission is conveniently overcome.
The rotating system comprises a transmission cabin sealed cabin, a single-circle rotating shaft, a right-angle rotating shaft, a driven rotating disc, a stirring rotating disc and a stirring shaft, wherein the transmission cabin sealed cabin is arranged on a driving base, the single-circle rotating shaft is rotationally arranged on the transmission cabin sealed cabin, the stirring rotating disc is arranged on the single-circle rotating shaft, the stirring shaft is rotationally arranged on the transmission cabin sealed cabin, the driven rotating disc is arranged on the right-angle rotating shaft, the single-circle rotating shaft is simultaneously in transmission connection with the output end of a driving unit, the right-angle rotating shaft is in transmission connection with the self-cleaning rotating shaft through a coupling, each time the driving unit drives the stirring rotating disc to rotate for one circle, the stirring rotating disc drives the driven rotating disc to rotate for 90 degrees, then the stirring rotating disc drives the branching rotating cabin to rotate for 90 degrees through the self-cleaning rotating shaft, the butting time of the branching rotating cabin and the particle filtering cabin is prolonged, the filtering efficiency of the particle filtering cabin is improved, the fixed transmission proportion between the driven rotating disc and the stirring rotating disc is reasonably distributed, the cleaning sequence is improved, the butting precision of the branching rotating cabin and the particle filtering cabin is reduced, and unnecessary adjustment and correction work are reduced.
Further, the secondary recovery mechanism comprises a gas pipeline, an electric control valve, a cyclone cabin, an axial flow fan, a secondary collection cabin, an exhaust pipeline, an auxiliary spoiler and a reaction baffle, wherein the gas pipeline is in ventilation connection with the protruding outer cabin section of the split sealing plate, the electric control valve is arranged on the gas pipeline, the cyclone cabin is in ventilation connection with the gas pipeline, the secondary collection cabin is arranged at the bottom of the cyclone cabin, the exhaust pipeline is arranged on the cyclone cabin, the axial flow fan is arranged above the cyclone cabin, the exhaust pipeline is communicated with the air inlet of the axial flow fan, the auxiliary spoiler is arranged in the cyclone cabin, and the reaction baffle is arranged in the secondary collection cabin, so that negative pressure can be formed in the cyclone cabin through the axial flow fan, and particles attached to the particle filtration cabin are sucked out; the design of the auxiliary spoiler can assist the airflow in the cyclone cabin to form spiral airflow, and particles and the airflow can be separated by utilizing the spiral airflow, so that the separation efficiency is improved.
As a further preferred aspect of the present invention, the driving base is provided with a control module, the control module is electrically connected with the electric control valve, the axial flow fan and the driving unit, and the control module controls the working states of the electric control valve, the axial flow fan and the driving unit.
The beneficial effects obtained by the invention by adopting the structure are as follows: the beneficial effect that a filter equipment that admits air for centrifugal fan that this scheme provided is as follows:
(1) In order to improve the particle filtering efficiency of the ventilator and reduce the resistance influence of a filtering structure, a multistage filtering, inertial filtering and filter screen filtering mode is adopted, an accelerating separation mechanism and a self-cleaning separation mechanism are arranged to filter particles entering the main ventilator, the particles can be finely graded and filtered in a multistage filtering mode, the particles with different particle diameters can be respectively filtered, the filtering efficiency is higher, the filtering time is shorter, larger particles are filtered by the inertial filtering, and only smaller particles reach the filter screen to be filtered, so that the risk of blocking the filter screen is reduced, the frequency of cleaning and replacing the filter screen is reduced, and the service life of the particle filtering cabin is prolonged;
(2) In order to reduce the cost of manual replacement and cleaning of the filter screen, a separation transmission system, a driving mechanism and a secondary recovery mechanism are arranged, the separation transmission system is driven to operate by the driving mechanism, particles in the particle filter cabin are collected and treated by the secondary recovery mechanism, and the manual operation is replaced by machinery, so that the particles in the particle filter cabin can be accurately collected, the permeability and the filtering efficiency of the filter screen can be timely recovered, the filter screen is prevented from being excessively blocked or damaged, the replacement frequency and the maintenance cost of the filter screen are reduced, and the waste of resources is reduced;
(3) The rotating system is arranged, the driven turntable is driven by the stirring turntable to rotate at a fixed angle, so that the technical effects of reasonably distributing cleaning sequences and improving the butting precision of the branch rotating cabin and the particle filter cabin are realized, unnecessary adjustment and correction work is reduced, and the running stability of equipment is improved.
Drawings
Fig. 1 is a front view of an intake air filter device for a centrifugal fan according to the present invention;
fig. 2 is a rear view of an intake air filter device for a centrifugal fan according to the present invention;
FIG. 3 is a cross-sectional view of a self-cleaning separation mechanism;
FIG. 4 is a schematic view of a portion of the structure of a secondary separation system;
FIG. 5 is a schematic view of the structure of a particulate filter capsule;
FIG. 6 is a partial sectional exploded view of a secondary separation system;
FIG. 7 is a cross-sectional view of a split transmission system;
FIG. 8 is a schematic diagram of a split transmission system;
FIG. 9 is a schematic view of the secondary recovery mechanism;
FIG. 10 is a partial structural cross-sectional view of the secondary recovery mechanism;
FIG. 11 is a schematic diagram of a driving mechanism;
FIG. 12 is a transmission cross-sectional view of the rotation system;
FIG. 13 is a schematic view of a portion of a rotational system;
fig. 14 is a cross-sectional view of the acceleration separation mechanism.
Wherein, 1, an accelerating separation mechanism, 2, a self-cleaning separation mechanism, 3, a driving mechanism, 4, a secondary recovery mechanism, 5, a main ventilator, 101, an air inlet cabin, 102, a turbulent flow cabin, 103, a pressurizing cabin, 104, a primary separation cabin, 105, a primary collecting cabin, 106, a turbulent flow blade, 107, a separation channel, 201, a relay cabin, 202, a single-side sealing plate, 203, a split sealing plate, 204, a secondary separation system, 205, a separation transmission system, 206, a rotating platform, 207, a fixed platform, 208, a limiting bracket, 209 and a particle filtering cabin, 210, an adsorption magnetic ring, 211, a self-cleaning rotating shaft, 212, a branch rotating cabin, 214, an inertia collecting cabin, 301, a driving base, 302, a driving unit, 303, a rotating system, 304, a control module, 305, a transmission cabin sealing cabin, 306, a single-ring rotating shaft, 307, a right-angle rotating shaft, 308, a driven rotating disc, 309, a stirring rotating disc, 310, a stirring shaft, 401, a gas pipeline, 402, an electric control valve, 403, a cyclone cabin, 404, an axial flow fan, 405, a secondary collecting cabin, 406, an exhaust pipeline, 407, an auxiliary spoiler, 408 and a reaction baffle.
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1 and 2, the invention provides an air inlet filtering device for a centrifugal ventilator, which comprises an accelerating separation mechanism 1, a self-cleaning separation mechanism 2, a driving mechanism 3, a secondary recovery mechanism 4 and a main ventilator 5, wherein the self-cleaning separation mechanism 2 is connected with an air inlet of the main ventilator 5, the accelerating separation mechanism 1 is communicated with the self-cleaning separation mechanism 2, the driving mechanism 3 is in transmission connection with the self-cleaning separation mechanism 2, and the secondary recovery mechanism 4 is communicated with the self-cleaning separation mechanism 2.
As shown in fig. 1, 3, 4, 5, 6, 7 and 8, the self-cleaning separation mechanism 2 comprises a relay cabin 201, a single-side sealing plate 202, a split sealing plate 203, a secondary separation system 204 and a separation transmission system 205, wherein the relay cabin 201 is connected with an air inlet of the main ventilator 5, the single-side sealing plate 202 is arranged on the relay cabin 201, the split sealing plate 203 is arranged on the relay cabin 201, the secondary separation system 204 is arranged in the relay cabin 201, the separation transmission system 205 is movably arranged in the relay cabin 201, and an inertia collecting cabin 214 is arranged at the bottom of the relay cabin 201; the secondary separation system 204 comprises a rotary platform 206, a fixed platform 207 and a limiting support 208, wherein the rotary platform 206 is arranged in the relay cabin 201, the fixed platform 207 is arranged in the relay cabin 201, one end of the limiting support 208 is fixedly connected to the rotary platform 206, and the other end of the limiting support 208 is fixedly connected to the fixed platform 207; a particle filter cabin 209 is arranged in the movement of the limiting support 208, two ends of the particle filter cabin 209 are provided with adsorption magnetic rings 210, one end of the particle filter cabin 209 is magnetically attracted and fixed with the rotary platform 206, and the other end of the particle filter cabin 209 is magnetically attracted and fixed with the fixed platform 207; the separation transmission system 205 comprises a self-cleaning rotating shaft 211 and a branch rotating cabin 212, the rotation of the self-cleaning rotating shaft 211 is arranged on the rotating platform 206, the self-cleaning rotating shaft 211 is simultaneously rotated on the split sealing plate 203, the branch rotating cabin 212 is fixedly connected on the self-cleaning rotating shaft 211, and the branch rotating cabin 212 is simultaneously rotated on the split sealing plate 203.
As shown in fig. 1, 9 and 10, the secondary recovery mechanism 4 includes a gas pipe 401, an electric control valve 402, a cyclone cabin 403, an axial flow fan 404, a secondary collection cabin 405, an exhaust pipe 406, an auxiliary spoiler 407 and a reaction baffle 408, the gas pipe 401 is connected with the protruding outer cabin of the split seal plate 203 in a ventilation manner, the electric control valve 402 is arranged on the gas pipe 401, the cyclone cabin 403 is connected with the gas pipe 401 in a ventilation manner, the secondary collection cabin 405 is arranged at the bottom of the cyclone cabin 403, the exhaust pipe 406 is arranged on the cyclone cabin 403, the axial flow fan 404 is arranged above the cyclone cabin 403, the exhaust pipe 406 is communicated with the air inlet of the axial flow fan 404, the auxiliary spoiler 407 is arranged in the cyclone cabin 403, and the reaction baffle 408 is arranged in the secondary collection cabin 405.
As shown in fig. 1, 11, 12 and 13, the driving mechanism 3 comprises a driving base 301, a driving unit 302 and a rotating system 303, the driving base 301 is arranged on one side of the self-cleaning separating mechanism 2, the driving unit 302 is arranged on the driving base 301, the rotating system 303 is in transmission connection with the driving unit 302, and a control module 304 is arranged on the driving base 301; the rotating system 303 comprises a transmission cabin sealed cabin 305, a single-circle rotating shaft 306, a right-angle rotating shaft 307, a driven rotating disc 308, a stirring rotating disc 309 and a stirring shaft 310, the transmission cabin sealed cabin 305 is arranged on the driving base 301, the single-circle rotating shaft 306 is rotationally arranged on the transmission cabin sealed cabin 305, the stirring rotating disc 309 is arranged on the single-circle rotating shaft 306, the stirring shaft 310 is arranged on the stirring rotating disc 309, the right-angle rotating shaft 307 is rotationally arranged on the transmission cabin sealed cabin 305, the driven rotating disc 308 is arranged on the right-angle rotating shaft 307, the single-circle rotating shaft 306 is simultaneously in transmission connection with the output end of the driving unit 302, and the right-angle rotating shaft 307 is in transmission connection with the self-cleaning rotating shaft 211 through a coupling.
As shown in fig. 1, 3 and 14, the accelerating separation mechanism 1 comprises an air inlet cabin 101, a turbulence cabin 102, a pressurizing cabin 103, a primary separation cabin 104 and a primary collection cabin 105, wherein the primary separation cabin 104 is fixedly connected with a relay cabin 201, one end of the pressurizing cabin 103 is fixedly connected with the primary separation cabin 104, one end of the turbulence cabin 102 is fixedly connected with the other end of the pressurizing cabin 103, the air inlet cabin 101 is fixedly connected with the other end of the turbulence cabin 102, the primary collection cabin 105 is arranged below the primary separation cabin 104, a separation channel 107 is arranged in the primary separation cabin 104, and turbulence blades 106 are arranged in the turbulence cabin 102.
When the device is specifically used, the device is connected into an airflow channel, the air inlet cabin 101 is connected with the air inlet channel, the air outlet of the main ventilator 5 is connected with the air outlet channel, the control module 304 controls the electric control valve 402 to be in a closed state, then the main ventilator 5 is started, the airflow firstly enters the air inlet cabin 101 and then enters the turbulence cabin 102, the airflow is influenced by the turbulence blades 106, the linear track is changed into a spiral advancing track, particles mixed in the airflow are driven by the airflow, the original linear motion track is also changed into the spiral advancing track, the particles are influenced by centrifugal force, the particles are thrown to the inner wall of the turbulence cabin 102 while moving forwards along the spiral track, then the airflow passes through the pressurizing cabin 103, the airflow velocity is increased due to the fact that the channel diameter is reduced, meanwhile, the spiral airflow carries the particles to be tightly attached to the inner wall of the pressurizing cabin 103, the airflow enters the self-cleaning separation mechanism 2 through the separation channel 107, the particles are influenced by inertia and the airflow to continuously move forwards along the spiral track, and then the particles fall into the primary collecting cabin 105 from the outlet below the primary separation cabin 104 due to the influence of gravity, and the primary separation of the primary particles are finished; when the air flow reaches the self-cleaning separation mechanism 2, the air flow passes through the particle filter cabin 209 and enters the air inlet of the main ventilator 5, and in the process of moving the particle filter cabin 209 along with the air flow, part of the residual particles are thrown out of the particle filter cabin 209 due to inertia, gathered in the space where the branch rotating cabin 212 moves and falls into the inertia collecting cabin 214 under the influence of gravity, and the other part of the residual particles are attached to the inner wall of the particle filter cabin 209; after that, every other working time, the particle filter cabin 209 is cleaned, the control module 304 starts the axial flow fan 404, and controls the control valve to be in an open state, the axial flow fan 404 starts to exhaust, when the branch rotary cabin 212 is aligned with the branch rotary cabin 212, part of airflow in the particle filter cabin 209 is sucked into the branch rotary cabin 212, particles attached to the inner wall of the branch rotary cabin 212 are sucked into the branch rotary cabin 212, then the airflow sequentially passes through the branch rotary cabin 212, the convex cabin of the split flow sealing plate 203 and the gas transmission pipeline 401 along with the particles, then the airflow carries the particles to move downwards in a spiral manner in the cyclone cabin 403 under the combined action of the auxiliary spoiler 407 and gravity, the particles are thrown into the inner wall of the cyclone cabin 403 in the movement process, after the particles are separated from the auxiliary spoiler 407 and thrown into the secondary collecting cabin 405 in a spiral downward movement track, the airflow is blocked by the reaction blocking piece 408 to enter the gas transmission pipeline 406, and finally discharged through the axial flow fan 404; at the same time of cleaning the particulate filter capsules 209, the control module 304 starts the driving unit 302, the driving unit 302 starts to drive the single-turn rotating shaft 306 to rotate, the single-turn rotating shaft 306 rotates to drive the stirring rotary table 309 to rotate, the stirring rotary table 309 rotates to drive the driven rotary table 308 to rotate 90 degrees through the stirring shaft 310, the driven rotary table 308 rotates 90 degrees to drive the self-cleaning rotating shaft 211 to rotate 90 degrees, the self-cleaning rotating shaft 211 rotates 90 degrees to drive the branch rotating capsules 212 to rotate 90 degrees, and each particulate filter capsule 209 is cleaned by continuously rotating the branch rotating capsules 212.
The above is a specific workflow of the present invention, and the next time the present invention is used, the process is repeated.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (9)
1. An intake filter device for a centrifugal fan, characterized by: the self-cleaning device comprises an accelerating separation mechanism (1), a self-cleaning separation mechanism (2), a driving mechanism (3), a secondary recovery mechanism (4) and a main ventilator (5), wherein the self-cleaning separation mechanism (2) is connected with an air inlet of the main ventilator (5), the accelerating separation mechanism (1) is communicated with the self-cleaning separation mechanism (2), the driving mechanism (3) is in transmission connection with the self-cleaning separation mechanism (2), and the secondary recovery mechanism (4) is communicated with the self-cleaning separation mechanism (2); self-cleaning separating mechanism (2) are including trunk (201), unilateral shrouding (202), reposition of redundant personnel shrouding (203), secondary separation system (204) and separation transmission system (205), trunk (201) are connected with the air intake of main ventilation blower (5), unilateral shrouding (202) are located on trunk (201), on trunk (201) are located in reposition of redundant personnel shrouding (203), in trunk (201) are located in secondary separation system (204), in trunk (201) are located in separation transmission system (205) activity, inertial collection cabin (214) are installed to the bottom of trunk (201).
2. An intake air filtering apparatus for a centrifugal fan according to claim 1, wherein: the secondary separation system (204) comprises a rotary platform (206), a fixed platform (207) and a limiting support (208), wherein the rotary platform (206) is arranged in the relay cabin (201), the fixed platform (207) is arranged in the relay cabin (201), one end of the limiting support (208) is fixedly connected to the rotary platform (206), and the other end of the limiting support (208) is fixedly connected to the fixed platform (207).
3. An intake air filtering apparatus for a centrifugal fan according to claim 2, wherein: the utility model discloses a particle filter, including spacing support (208) and fixed platform (207), be equipped with particle filter cabin (209) in spacing support (208) activity, the both ends of particle filter cabin (209) are equipped with absorption magnetic ring (210), the one end and the rotatory platform (206) magnetism of particle filter cabin (209) inhale fixedly, the other end and the fixed platform (207) magnetism of particle filter cabin (209) inhale fixedly.
4. An intake air filtering apparatus for a centrifugal fan according to claim 3, wherein: the separation transmission system (205) comprises a self-cleaning rotating shaft (211) and a branch rotating cabin (212), the rotation of the self-cleaning rotating shaft (211) is arranged on the rotating platform (206), the self-cleaning rotating shaft (211) is simultaneously rotated and arranged on the diversion sealing plate (203), the branch rotating cabin (212) is fixedly connected on the self-cleaning rotating shaft (211), and the branch rotating cabin (212) is simultaneously rotated and arranged on the diversion sealing plate (203).
5. An intake air filtering apparatus for a centrifugal fan according to claim 4, wherein: the accelerating separation mechanism (1) comprises an air inlet cabin (101), a turbulent flow cabin (102), a pressurizing cabin (103), a primary separation cabin (104) and a primary collection cabin (105), wherein the primary separation cabin (104) is fixedly connected with a relay cabin (201), one end of the pressurizing cabin (103) is fixedly connected with the primary separation cabin (104), one end of the turbulent flow cabin (102) is fixedly connected with the other end of the pressurizing cabin (103), the air inlet cabin (101) is fixedly connected with the other end of the turbulent flow cabin (102), the primary collection cabin (105) is arranged below the primary separation cabin (104), a separation channel (107) is arranged in the primary separation cabin (104), and turbulent flow blades (106) are arranged in the turbulent flow cabin (102).
6. An intake air filtering apparatus for a centrifugal fan according to claim 5, wherein: the driving mechanism (3) comprises a driving base (301), a driving unit (302) and a rotating system (303), wherein the driving base (301) is arranged on one side of the self-cleaning separating mechanism (2), the driving unit (302) is arranged on the driving base (301), the rotating system (303) is in transmission connection with the driving unit (302), and the rotating system (303) is in transmission connection with the self-cleaning rotating shaft (211) through a coupler.
7. An intake air filtering apparatus for a centrifugal fan according to claim 6, wherein: the rotating system (303) comprises a transmission cabin sealed cabin (305), a single-ring rotating shaft (306), a right-angle rotating shaft (307), a driven rotating disc (308), a stirring rotating disc (309) and a stirring shaft (310), wherein the transmission cabin sealed cabin (305) is arranged on a driving base (301), the single-ring rotating shaft (306) is rotationally arranged on the transmission cabin sealed cabin (305), the stirring rotating disc (309) is arranged on the single-ring rotating shaft (306), the stirring shaft (310) is arranged on the stirring rotating disc (309), the right-angle rotating shaft (307) is rotationally arranged on the transmission cabin sealed cabin (305), the driven rotating disc (308) is arranged on the right-angle rotating shaft (307), the single-ring rotating shaft (306) is simultaneously in transmission connection with the output end of a driving unit (302), and the right-angle rotating shaft (307) is in transmission connection with a self-cleaning rotating shaft (211) through a coupler.
8. An intake air filtering apparatus for a centrifugal fan according to claim 7, wherein: the secondary recovery mechanism (4) comprises a gas transmission pipeline (401), an electric control valve (402), a cyclone cabin (403), an axial flow fan (404), a secondary collection cabin (405), an exhaust pipeline (406), an auxiliary spoiler (407) and a reaction baffle (408), wherein the gas transmission pipeline (401) is connected with the protruding outer cabin of the split flow sealing plate (203) in a ventilation mode, the electric control valve (402) is arranged on the gas transmission pipeline (401), the cyclone cabin (403) is connected with the gas transmission pipeline (401) in a ventilation mode, the secondary collection cabin (405) is arranged at the bottom of the cyclone cabin (403), the exhaust pipeline (406) is arranged on the cyclone cabin (403), the axial flow fan (404) is arranged above the cyclone cabin (403), the exhaust pipeline (406) is communicated with the air inlet of the axial flow fan (404), the auxiliary spoiler (407) is arranged in the cyclone cabin (403), and the reaction baffle (408) is arranged in the secondary collection cabin (405).
9. An intake air filtering apparatus for a centrifugal fan according to claim 8, wherein: the electric control valve (402), the axial flow fan (404) and the driving unit (302) are electrically connected with the control module (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202311851343.4A CN117482681B (en) | 2023-12-29 | 2023-12-29 | Air inlet filter device for centrifugal ventilator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311851343.4A CN117482681B (en) | 2023-12-29 | 2023-12-29 | Air inlet filter device for centrifugal ventilator |
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| CN117482681A true CN117482681A (en) | 2024-02-02 |
| CN117482681B CN117482681B (en) | 2024-03-19 |
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| CN202311851343.4A Active CN117482681B (en) | 2023-12-29 | 2023-12-29 | Air inlet filter device for centrifugal ventilator |
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| CN117482681B (en) | 2024-03-19 |
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