CN218011743U - Back-blowing self-cleaning filter based on worm gear transmission principle - Google Patents
Back-blowing self-cleaning filter based on worm gear transmission principle Download PDFInfo
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- CN218011743U CN218011743U CN202221972934.8U CN202221972934U CN218011743U CN 218011743 U CN218011743 U CN 218011743U CN 202221972934 U CN202221972934 U CN 202221972934U CN 218011743 U CN218011743 U CN 218011743U
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Abstract
The utility model discloses a blowback self-cleaning filter based on the worm gear transmission principle, which comprises an outer frame, a motor, a plurality of worm gears, a worm, a microprocessor, a pneumatic valve and an electromagnetic valve; the inner cavity of the outer frame is divided into an upper cavity and a lower cavity by a clapboard, and the clapboard is fixedly connected with the outer frame; a primary filter screen is arranged on the side surface of the periphery of the lower cavity of the outer frame; the motor is arranged outside the outer frame, and a rotating shaft of the motor is connected with the large driving wheel through a key to drive the large driving wheel to run; the large transmission wheel is connected with the small transmission wheel through a belt to drive the small transmission wheel to operate; the small driving wheel is connected with one end of the long shaft through a key to drive the long shaft to rotate. The utility model overcomes the problem that the dust can not be effectively removed by blowing air above the filter cylinder by the traditional back-blowing nozzle; meanwhile, the phenomenon that the running efficiency of the air compressor is influenced due to the fact that the local dust film on the surface of the filter cylinder is accumulated too thickly because of uneven blowing of the back blowing gas can be prevented.
Description
Technical Field
The utility model belongs to the technical field of the filter, a self-cleaning formula filter of blowback based on worm gear transmission principle is related to.
Background
Self-cleaning formula air cleaner docks with the air compressor machine entry, under the effect of air compressor machine, the air compressor machine inhales the dirty air of surrounding environment through the filter, dirty air filters particulate impurity through the first-order coarse filtration net, carry out secondary filter through straining a section of thick bamboo again, more tiny dust has been filtered out to comprehensive action such as gravity inertia, electrostatic absorption, contact retention, the periodic operation, filterable dust forms a layer dirt membrane at the filtering surface layer windward surface of straining a section of thick bamboo, along with the increase of filtration capacity, air resistance is along with increasing, make air compressor machine efficiency descend.
The back-blowing spray head of the back-blowing system of the existing air filter is arranged above the filter cylinder to blow the filter cylinder in a single direction, so that the pressure of air flow on the inner cavity of the filter cylinder is not uniform, dust films on the outer surface of the filter cylinder cannot be cleaned in time, the service life of the filter cylinder is shortened, the cost is increased due to the fact that the filter cylinder is replaced for multiple times, and the operation efficiency of an air compressor is influenced.
Disclosure of Invention
An object of the utility model is to provide a self-cleaning formula filter of blowback based on worm gear transmission principle to a section of thick bamboo of straining of solving current air cleaner can not receive the blowback gas and evenly sweeps and lead to straining the problem that a section of thick bamboo uneven dust film of surface distribution can not in time clear up.
In order to achieve the purpose, the utility model adopts the following technical proposal to solve:
a back-flushing self-cleaning filter based on a worm gear transmission principle comprises an outer frame, a motor, a plurality of worm gears, a worm, a microprocessor, a pneumatic valve and an electromagnetic valve; the inner cavity of the outer frame is divided into an upper cavity and a lower cavity by a partition plate, and the partition plate is fixedly connected with the outer frame; a primary filter screen is arranged on the side surface of the periphery of the lower cavity of the outer frame; the motor is arranged outside the outer frame, and a rotating shaft of the motor is connected with the large driving wheel through a key to drive the large driving wheel to run; the large transmission wheel is connected with the small transmission wheel through a belt to drive the small transmission wheel to rotate; the small driving wheel is connected with one end of the long shaft through a key to drive the long shaft to rotate;
the other end of the long shaft enters the lower cavity and is connected with the worm through a key to drive the worm to rotate; the long shaft is arranged on the outer frame and can rotate around the long shaft; a cross beam is fixed in the lower cavity, a plurality of filter cylinders are arranged above the cross beam in the lower cavity, a back-blowing nozzle is arranged in each filter cylinder, the back-blowing nozzles are connected with an energy accumulator through a high-pressure air pipe, and the pneumatic valve is arranged on a line connecting the high-pressure air pipe and the energy accumulator;
a cylindrical shaft is fixed at a corresponding position below each filter cylinder on the cross beam, a turbine is inserted into each cylindrical shaft, a rotating shaft of each turbine is overlapped with the axis of the corresponding cylindrical shaft, and the turbine can complete rotating motion around the shaft; the worm is meshed with each worm wheel to drive the worm wheels to rotate; each filter cylinder is connected with a corresponding turbine and can rotate along with the turbine;
a differential pressure detector is arranged at an air outlet at the upper part of the upper cavity; a differential pressure sensor connected with the differential pressure detector is arranged outside the outer frame and is respectively connected with the microprocessor; the microprocessor is connected with the motor and the electromagnetic valve respectively, and the electromagnetic valve is connected with the pneumatic valve.
The utility model discloses still include other technical characterstic as follows:
the side wall of the back-blowing spray head is provided with a plurality of layers of through holes from top to bottom, and each layer of through holes comprises a plurality of through holes which are uniformly distributed along the circumferential direction.
Each layer includes 4 vias.
And a baffle is respectively fixed on the cross beam between the adjacent filter cylinders and is used for preventing dust films dropped off during the back blowing of the spray head from being attached to the filter cylinders again.
The bottom of each filter cylinder is connected with a corresponding worm gear through a wedge-shaped groove.
The pressure difference sensor is connected with the display device.
Compared with the prior art, the utility model discloses following technological effect has:
1) The utility model adopts the back-blowing spray head which extends into the filter cylinder and circumferentially opens the multiple layers of the spray head, thereby overcoming the problem that the dust can not be effectively removed by blowing air above the filter cylinder by the traditional back-blowing spray head;
2) The filter cartridge connected with the turbine rotates at a constant speed in a worm and gear transmission mode, and rotates when the filter cartridge is uniformly blown and swept by reverse blowing gas, so that the filter cartridge is uniformly blown and can timely remove all dust films on the surface of the filter cartridge, and the phenomenon that the running efficiency of the air compressor is influenced by the fact that the local dust film accumulation on the surface of the filter cartridge is too thick due to nonuniform blowing and sweeping of the reverse blowing gas is avoided.
3) Each filter cylinder is designed by the baffle plates on the two sides, so that when the back blowing spray head blows dust on the side wall of the filter cylinder from inside to outside, the dust cannot fall on other filter cylinders.
4) The utility model discloses a microprocessor is according to the interior external differential pressure of straining a section of thick bamboo that pressure difference detector real time monitoring obtained, thereby the switch action of control solenoid valve control pneumatic valve can in time sweep a section of thick bamboo, and can monitor whether solenoid valve, pneumatic valve can normally work.
Drawings
FIG. 1 is a schematic structural diagram of a back-blowing self-cleaning filter based on the worm and gear transmission principle of the present invention;
fig. 2 is a schematic structural view of the inside of the outer frame of the present invention;
fig. 3 is a schematic view of the arrangement of the long shaft 8, the worm wheel and the worm in the outer frame of the present invention;
fig. 4 is a control connection schematic.
The invention is further explained below with reference to the drawings and the description of embodiments.
Detailed Description
As shown in figure 1, the utility model discloses a self-cleaning formula filter of blowback based on worm gear transmission principle, including outer frame 1, motor 4, a plurality of worm wheel 10, worm 11, microprocessor, pneumatic valve 18, solenoid valve 20. Wherein, the inner cavity of the outer frame 1 is divided into an upper cavity 2 and a lower cavity 3 by a clapboard, and the clapboard is fixedly connected with the outer frame 1; a primary filter screen 9 is arranged on the side surface of the periphery of the lower cavity 3 of the outer frame 1; the motor 4 is arranged outside the outer frame 1, and a rotating shaft of the motor 4 is connected with the large driving wheel 5 through a key to drive the large driving wheel 5 to rotate; the large transmission wheel 5 is connected with the small transmission wheel 7 through a belt 6 to drive the small transmission wheel 7 to rotate; the small driving wheel 7 is connected with one end of the long shaft 8 through a key to drive the long shaft 8 to rotate.
The other end of the long shaft 8 enters the lower cavity 3 and then is connected with the worm 10 through a key to drive the worm 10 to rotate; the long shaft 8 is arranged on the outer frame 1 and can rotate around itself; a cross beam 12 is fixed in the lower cavity 3, a plurality of filter cylinders are arranged above the cross beam 12 in the lower cavity 3, a back blowing nozzle 15 is arranged in each filter cylinder 14, the back blowing nozzles 15 are connected with an energy accumulator 17 through a high-pressure air pipe 16, and a pneumatic valve 18 is arranged on a circuit connecting the high-pressure air pipe 16 and the energy accumulator 17.
A cylindrical shaft is fixed at a corresponding position below each filter cylinder on the cross beam 12, a turbine 11 is inserted into each cylindrical shaft, a rotating shaft of each turbine 11 is overlapped with an axis of the corresponding cylindrical shaft, and the turbine 11 can complete rotary motion around the shaft; the worm 10 is meshed with each worm wheel 11 to drive the worm wheels 11 to rotate; each filter cartridge 14 is connected with a corresponding turbine 11 and can rotate along with the turbine 11;
a pressure difference detector is arranged at an air outlet 20 at the upper part of the upper cavity 2 and is used for detecting the pressure difference between the upper cavity 2 and the outside air, and the air outlet 20 is connected with an air inlet of an air compressor; a differential pressure sensor connected with the differential pressure detector is arranged outside the outer frame 1 and used for transmitting differential pressure signals; the differential pressure sensor is respectively connected with a microprocessor arranged in the central control room; the microprocessor is connected with the motor 4 and the electromagnetic valve respectively, and the electromagnetic valve is connected with the pneumatic valve 18.
Preferably, the side wall of the blowback nozzle 15 has a plurality of through holes from top to bottom, and each layer includes a plurality of through holes uniformly distributed along the circumferential direction, preferably 4 through holes.
Preferably, a baffle 13 is fixed on the cross beam 12 between the adjacent filter cartridges respectively, and the baffle 13 is used for preventing dust films dropped off during blowback of the spray head from being attached to the filter cartridges 14 again.
Preferably, the bottom of each cartridge 14 is connected to the corresponding worm gear 11 through a wedge-shaped groove.
Preferably, the pressure sensor further comprises a display device installed in the central control room, and the pressure sensor is connected with the display device and used for displaying pressure difference data.
The working process and the principle of the utility model are as follows:
after the air compressor is started, raw material air enters the lower cavity 3 from the outside through the primary filter screen 9, under the action of inertia force and gravity, a part of particles with larger particle sizes are blocked and deposited on the surface of the core body of the filter cylinder 14, and dust particles with smaller particle sizes are gradually deposited on the surface of the core body to form a dust film due to the interception effect and the Brownian diffusion effect of fibers on the core body of the filter cylinder 14. The clean gas passing through the filter cartridge 14 enters the upper chamber 2 and then enters the air compressor through the air outlet 20. Along with the increase of the operation time, the resistance pressure difference value sent by the pressure difference sensor gradually rises, when the resistance pressure difference value reaches a set point, a back flushing program is automatically started, the microprocessor controls the electromagnetic valve 19 to be started so as to open the pneumatic valve 18, high-pressure gas is conveyed from the energy accumulator 17 to the back flushing gas nozzle 15 through the high-pressure gas pipe 16, the filter cartridge 14 is flushed so as to be impacted by back flushing gas flow from inside to outside, the microprocessor controls the motor 4 to be started so as to drive the large driving wheel 5 and the small driving wheel 7 of the belt 6 to move, the long shaft 8 to rotate, the worm 10 on the long shaft 8 to rotate, the worm 10 drives the turbine 11 to rotate through meshing transmission, so that the filter cartridge 14 is driven to rotate, the filter cartridge 14 is flushed uniformly, part of dust adhered to the surface of the filter cartridge 14 is vibrated, and the resistance is reduced to a certain degree. The microprocessor can also judge whether the solenoid valve or the pneumatic valve works normally in real time, namely after the microprocessor starts the solenoid valve to open the pneumatic valve for a certain time, the differential pressure value is not reduced, and the solenoid valve or the pneumatic valve cannot work normally at the moment.
Claims (6)
1. A back-blowing self-cleaning filter based on a worm gear transmission principle is characterized by comprising an outer frame, a motor, a plurality of worm gears, a worm, a microprocessor, a pneumatic valve and an electromagnetic valve; the inner cavity of the outer frame is divided into an upper cavity and a lower cavity by a partition plate, and the partition plate is fixedly connected with the outer frame; a primary filter screen is arranged on the side surface of one circle of the lower cavity of the outer frame; the motor is arranged outside the outer frame, and a rotating shaft of the motor is connected with the large driving wheel through a key to drive the large driving wheel to rotate; the large transmission wheel is connected with the small transmission wheel through a belt to drive the small transmission wheel to rotate; the small driving wheel is connected with one end of the long shaft through a key to drive the long shaft to rotate;
the other end of the long shaft enters the lower cavity and is connected with the worm through a key to drive the worm to rotate; the long shaft is arranged on the outer frame and can rotate around the long shaft; a cross beam is fixed in the lower cavity, a plurality of filter cylinders are arranged above the cross beam in the lower cavity, a back-blowing nozzle is arranged in each filter cylinder, the back-blowing nozzles are connected with an energy accumulator through a high-pressure air pipe, and the pneumatic valve is arranged on a line connecting the high-pressure air pipe and the energy accumulator;
a cylindrical shaft is fixed at a corresponding position below each filter cylinder on the cross beam, a turbine is inserted into each cylindrical shaft, a rotating shaft of each turbine is overlapped with the axis of the corresponding cylindrical shaft, and the turbine can complete rotating motion around the shaft; the worm is meshed with each worm wheel to drive the worm wheels to rotate; each filter cylinder is connected with a corresponding turbine and can rotate along with the turbine;
a pressure difference detector is arranged at an air outlet at the upper part of the upper cavity; a differential pressure sensor connected with the differential pressure detector is arranged outside the outer frame and is respectively connected with the microprocessor; the microprocessor is connected with the motor and the electromagnetic valve respectively, and the electromagnetic valve is connected with the pneumatic valve.
2. The blowback self-cleaning filter based on worm and gear transmission principle of claim 1 wherein the blowback nozzle side wall has a plurality of layers of through holes from top to bottom, each layer comprising a plurality of through holes evenly distributed along the circumference.
3. The blowback self-cleaning filter based on worm gear transmission principle of claim 2, characterized in that each layer comprises 4 through holes.
4. The back-blowing self-cleaning filter based on the worm and gear transmission principle of claim 1, wherein a baffle is fixed on the cross beam between the adjacent filter cartridges respectively, and the baffle is used for preventing dust films dropped off during back-blowing of the spray heads from being attached to the filter cartridges again.
5. A blowback self-cleaning filter based on the worm gear transmission principle as claimed in claim 1 wherein the bottom of each filter cartridge is connected with the corresponding worm gear through a wedge groove.
6. The blowback self-cleaning filter based on worm and gear transmission principle of claim 1, characterized by further comprising a display device, wherein the differential pressure sensor is connected with the display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221972934.8U CN218011743U (en) | 2022-07-28 | 2022-07-28 | Back-blowing self-cleaning filter based on worm gear transmission principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221972934.8U CN218011743U (en) | 2022-07-28 | 2022-07-28 | Back-blowing self-cleaning filter based on worm gear transmission principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218011743U true CN218011743U (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221972934.8U Active CN218011743U (en) | 2022-07-28 | 2022-07-28 | Back-blowing self-cleaning filter based on worm gear transmission principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218011743U (en) |
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2022
- 2022-07-28 CN CN202221972934.8U patent/CN218011743U/en active Active
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