CN111544975A - Dust removing method and device for bag-type dust remover - Google Patents
Dust removing method and device for bag-type dust remover Download PDFInfo
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- CN111544975A CN111544975A CN202010516327.XA CN202010516327A CN111544975A CN 111544975 A CN111544975 A CN 111544975A CN 202010516327 A CN202010516327 A CN 202010516327A CN 111544975 A CN111544975 A CN 111544975A
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- 239000000428 dust Substances 0.000 title claims abstract description 172
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000004744 fabric Substances 0.000 claims abstract description 55
- 238000004140 cleaning Methods 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 230000008859 change Effects 0.000 claims description 14
- 238000004062 sedimentation Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 22
- 238000004134 energy conservation Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
- B01D46/762—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations involving sonic or ultrasonic waves
Abstract
A dust cleaning method of a bag-type dust collector comprises the following steps: the utility model provides a sack cleaner ash removal device, sack cleaner ash removal device includes: the device comprises a bag-type dust collector, a control unit, a signal generator transducer and resonance detection equipment, wherein the control unit is used for adjusting the signal generator and controlling the signal generator according to a resonance condition, the transducer is used for converting a harmonic signal into sound waves in the bag-type dust collector, and the resonance detection equipment is used for detecting whether the sound waves generate resonance with air in the bag-type dust collector. A bag-type dust remover dust cleaning method is characterized in that a control unit controls a signal generator to generate harmonic signals; converting the harmonic signals into sound waves in a bag-type dust collector; detecting whether the sound wave generates resonance with air in the bag-type dust collector; the control unit adjusts the harmonic signals generated by the signal generator according to the resonance condition; the sound wave generated after adjustment resonates with the air in the cloth bag to remove ash. The effects of no need of air compression equipment, energy conservation and improvement of economic benefits can be achieved.
Description
Technical Field
The invention belongs to the field of dust removal equipment, and particularly relates to a dust removal method and a dust removal device of a bag-type dust remover.
Background
At present, pulse bag dust collectors, multi-pipe impact dust collectors, wet dust collectors and the like are commonly adopted for dust removal of coal conveying ash removal systems of thermal power plants, and the pulse bag dust collectors are the most widely used. However, the pulse bag-type dust collector has many disadvantages in actual operation. Firstly, the pulse bag-type dust collector needs to periodically clean accumulated dust, continuous operation cannot be realized in a dust cleaning period, and the phenomenon that periodic coal dust at a dust removing point flies is easily caused; secondly, the principle of pulse bag dust collector dust cleaning is to utilize compressed air to form a back-blowing airflow, under the action of the reverse airflow, dust attached to the surface of the bag quickly breaks away from the filter bag and falls into a dust hopper, and the dust is discharged by a dust discharging valve, so that the compressed air plays a key role in the operation process of the pulse bag dust collector, and the normal supply of the compressed air is ensured to maintain the normal operation of the dust collector.
In actual engineering, the original compressed air system or dust remover in a factory can be used for providing the compressed air. The original compressed air system is utilized to take out the branch pipe from the main compressed air pipe of the factory, the compressed air branch pipe and the dust remover are reasonably arranged, and the design personnel and the external profession are required to be matched for multiple times to complete the operation, so that the workload is greatly increased, and the construction progress is influenced. The dust remover is provided with the air compressor, so that the power consumption and the maintenance cost of the unit are increased. Therefore, the bag-type dust remover dust cleaning device based on the acoustic resonance principle is developed, resonance is achieved through the energy converter according to the acoustic mode of one cavity, dust deposition on the dust removal net is promoted to shake off, and the running process of the pulse bag-type dust remover can be effectively solved.
Disclosure of Invention
In view of the defects of the prior bag-type dust remover, the invention provides a bag-type dust remover dust cleaning method and a device thereof, which can achieve the effects of no need of air pressure equipment, energy conservation and improvement of economic benefits.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a sack cleaner ash removal device, sack cleaner ash removal device includes: sack cleaner, control unit, signal generator and transducer, be provided with resonance check out test set on the sack cleaner, the control unit is used for adjusting produced harmonic signal of signal generator and the control unit control signal generator according to the resonance condition, signal generator is used for producing the harmonic signal, the transducer is used for converting the harmonic signal into the sound wave in the sack cleaner, resonance check out test set is used for detecting whether the sound wave produces resonance with the air in the sack cleaner.
According to one aspect of the invention, the bag-type dust removing and ash cleaning device further comprises a dust outlet, and the dust outlet is arranged at the bottom of the bag-type dust remover.
According to one aspect of the invention, the dust cleaning device of the bag-type dust remover further comprises a signal amplifier, wherein the signal amplifier is used for amplifying the harmonic signals.
According to one aspect of the invention, the resonance detection device adopts a pressure sensor, the pressure sensor is used for detecting the pressure change condition in the bag, and whether the sound wave resonates with the sound wave in the bag-type dust collector is judged according to whether the pressure changes.
A bag-type dust collector dust cleaning method comprises the following steps:
the control unit controls the signal generator to generate a harmonic signal;
converting the harmonic signals into sound waves in a bag-type dust collector;
detecting whether the sound wave generates resonance with air in the bag-type dust collector;
the control unit adjusts the harmonic signals generated by the signal generator according to the resonance condition;
the sound wave generated after adjustment resonates with the air in the cloth bag to remove ash.
According to one aspect of the invention, the dust removing method of the bag-type dust remover further comprises the step of separating the dust in the bag from the bag by utilizing natural sedimentation.
According to one aspect of the invention, the dust cleaning method of the bag-type dust remover further comprises amplifying the harmonic signal generated by the signal generator.
According to one aspect of the invention, the detecting whether the sound wave resonates with the air in the bag-type dust collector is to detect the pressure change condition in the bag through a dynamic pressure sensor, and judge whether the sound wave resonates with the sound wave in the bag-type dust collector through whether the pressure changes.
According to one aspect of the present invention, the harmonic signal is converted into sound waves in the bag-type dust collector by a transducer located in the bag-type dust collector.
According to one aspect of the invention, the resonance of the sound wave generated after adjustment and the air in the cloth bag is used for ash removal, in particular, the resonance of the sound wave generated after adjustment and the air in the cloth bag enables the cloth bag and the dust on the cloth bag to vibrate, and the dust is separated from the cloth bag.
The implementation of the invention has the advantages that: a bag-type dust collector dust cleaning method comprises the following steps: the utility model provides a sack cleaner ash removal device, sack cleaner ash removal device includes: sack cleaner, control unit, signal generator and transducer, be provided with resonance check out test set on the sack cleaner, the control unit is used for adjusting produced harmonic signal of signal generator and the control unit control signal generator according to the resonance condition, signal generator is used for producing the harmonic signal, the transducer is used for converting the harmonic signal into the sound wave in the sack cleaner, resonance check out test set is used for detecting whether the sound wave produces resonance with the air in the sack cleaner. A bag-type dust collector dust cleaning method comprises the following steps: the control unit controls the signal generator to generate a harmonic signal; converting the harmonic signals into sound waves in a bag-type dust collector; detecting whether the sound wave generates resonance with air in the bag-type dust collector; the control unit adjusts the harmonic signals generated by the signal generator according to the resonance condition; the sound wave generated after adjustment resonates with the air in the cloth bag to remove ash. The effects of no need of air compression equipment, energy conservation and improvement of economic benefits can be achieved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of steps of an embodiment 1 of a method for removing dust in a bag-type dust collector according to the present invention;
FIG. 2 is a flow chart of steps of an embodiment 2 of a method for removing dust in a bag-type dust collector according to the present invention;
FIG. 3 is a schematic structural diagram of an embodiment 3 of the dust removing device of the bag-type dust remover according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1, a method for cleaning dust in a bag-type dust collector includes:
s1, the control unit controls the signal generator to generate harmonic signals;
in practical application of the method, the control unit controls the signal generator to generate the harmonic signal, specifically, the control unit is electrically connected with the signal generator, and the signal generator generates the specific harmonic signal through an electric signal.
S3, converting the harmonic signals into sound waves in a bag-type dust collector;
in the practical application of the method, the step of converting the amplified harmonic signal into the sound wave in the bag-type dust remover is to generally arrange a transducer in the bag-type dust remover or an accessory, convert the harmonic signal transmitted by a circuit into the sound wave with a certain frequency, and convert the harmonic signal into the sound wave in the bag-type dust remover through the transducer positioned in the bag-type dust remover.
In practical use, the harmonic signals are converted into sound waves through the transducer, so that a compressed air device does not need to be configured, and the device has the advantage of convenience in maintenance.
S4, detecting whether the sound wave generates resonance with the air in the bag-type dust collector;
in the practical application of the method, the specific step of detecting whether the sound wave resonates with the air in the bag-type dust collector is to arrange a dynamic pressure sensor in the bag-type dust collector generally, detect the pressure change condition in the bag through the dynamic pressure sensor, if the sound wave and the air in the bag-type dust collector generate acoustic resonance, the pressure fluctuation in the cavity of the bag-type dust collector is greatly increased, and further, whether the sound wave resonates with the sound wave in the bag-type dust collector can be judged through whether the pressure changes.
S5, the control unit adjusts the harmonic signal generated by the signal generator according to the resonance condition;
in the practical application of the method, the dynamic pressure sensor is generally communicated with a control unit circuit, the pressure change condition in the cloth bag is transmitted to the control unit, the control unit judges the resonance condition according to the pressure condition, determines whether to change the harmonic signal or not, and controls the signal generator to change the harmonic signal.
And S6, resonating the sound wave generated after adjustment with the air in the cloth bag for ash removal.
In the practical application of the method, the step of making the sound wave generated after adjustment resonate with the air in the cloth bag to perform ash removal specifically is to make the sound wave generated after adjustment resonate with the air in the cloth bag, so that the cloth bag vibrates with the dust on the cloth bag, and the dust is gradually separated from the surface of the cloth bag due to the fact that the vibration amplitude and the vibration direction of the dust on the cloth bag are not consistent, so that the dust is separated from the cloth bag.
In actual use, because the air in the cloth bag is subjected to resonant ash removal through sound waves, the dust cleaning efficiency is improved, accumulated dust is promoted to be separated from the cloth bag, and the energy-saving advantage is achieved.
The implementation of the invention has the advantages that:
the embodiment can achieve the effects of no need of air compression equipment, energy conservation and improvement of economic benefits. The harmonic signals are amplified through the power amplifier, the accuracy of identifying the harmonic signals can be improved, and errors caused by identifying the harmonic signals in the subsequent sound wave generation are reduced. The transducer converts the harmonic signals into sound waves, so that a compressed air device is not required to be configured, and the transducer has the advantage of convenience in maintenance. The air in the cloth bag is resonantly cleaned by the sound waves, so that the dust cleaning efficiency is improved, the accumulated dust is separated from the cloth bag, and the cloth bag dust cleaning device has the advantage of energy conservation.
Example 2:
as shown in fig. 2, a method for cleaning dust in a bag-type dust collector includes:
s1, the control unit controls the signal generator to generate harmonic signals;
in practical application of the method, the control unit controls the signal generator to generate the harmonic signal, specifically, the control unit is electrically connected with the signal generator, and the signal generator generates the specific harmonic signal through an electric signal.
S2, amplifying the harmonic signals;
in the practical application of the method, the harmonic signal is amplified specifically by arranging a power amplifier and communicating the power amplifier with the signal generator via a port, so that the harmonic signal sent by the signal generator is increased.
In actual use, the harmonic signals are amplified through the power amplifier, the accuracy of identifying the harmonic signals can be improved, and errors caused by identifying the harmonic signals in the subsequent sound wave generation are reduced.
S3, converting the amplified harmonic signals into sound waves in a bag-type dust collector;
in the practical application of the method, the step of converting the amplified harmonic signal into the sound wave in the bag-type dust remover is to generally arrange a transducer in the bag-type dust remover or an accessory, convert the harmonic signal transmitted by a circuit into the sound wave with a certain frequency, and convert the harmonic signal into the sound wave in the bag-type dust remover through the transducer positioned in the bag-type dust remover.
In practical use, the harmonic signals are converted into sound waves through the transducer, so that a compressed air device does not need to be configured, and the device has the advantage of convenience in maintenance.
S4, detecting whether the sound wave generates resonance with the air in the bag-type dust collector;
in the practical application of the method, the specific step of detecting whether the sound wave resonates with the air in the bag-type dust collector is to arrange a dynamic pressure sensor in the bag-type dust collector generally, detect the pressure change condition in the bag through the dynamic pressure sensor, if the sound wave and the air in the bag-type dust collector generate acoustic resonance, the pressure fluctuation in the cavity of the bag-type dust collector is greatly increased, and further, whether the sound wave resonates with the sound wave in the bag-type dust collector can be judged through whether the pressure changes.
S5, the control unit adjusts the harmonic signal generated by the signal generator according to the resonance condition;
in the practical application of the method, the dynamic pressure sensor is generally communicated with a control unit circuit, the pressure change condition in the cloth bag is transmitted to the control unit, the control unit judges the resonance condition according to the pressure condition, determines whether to change the harmonic signal or not, and controls the signal generator to change the harmonic signal.
And S6, resonating the sound wave generated after adjustment with the air in the cloth bag for ash removal.
In the practical application of the method, the step of making the sound wave generated after adjustment resonate with the air in the cloth bag to perform ash removal specifically is to make the sound wave generated after adjustment resonate with the air in the cloth bag, so that the cloth bag vibrates with the dust on the cloth bag, and the dust is gradually separated from the surface of the cloth bag due to the fact that the vibration amplitude and the vibration direction of the dust on the cloth bag are not consistent, so that the dust is separated from the cloth bag.
In actual use, because the air in the cloth bag is subjected to resonant ash removal through sound waves, the dust cleaning efficiency is improved, accumulated dust is promoted to be separated from the cloth bag, and the energy-saving advantage is achieved.
And S7, separating the dust in the cloth bag from the cloth bag by utilizing natural sedimentation.
In the practical application of the method, the step of separating the dust in the cloth bag from the cloth bag by utilizing natural sedimentation is to arrange the dust outlet at the bottom of the cloth bag, so that the dust separated from the cloth bag can be directly influenced by gravity to separate from the cloth bag from the dust outlet.
In actual use, energy can be effectively saved by utilizing gravity, and economic benefits are improved.
The implementation of the invention has the advantages that:
the embodiment can achieve the effects of no need of air compression equipment, energy conservation and improvement of economic benefits. The harmonic signals are amplified through the power amplifier, the accuracy of identifying the harmonic signals can be improved, and errors caused by identifying the harmonic signals in the subsequent sound wave generation are reduced. The transducer converts the harmonic signals into sound waves, so that a compressed air device is not required to be configured, and the transducer has the advantage of convenience in maintenance. The air in the cloth bag is resonantly cleaned by the sound waves, so that the dust cleaning efficiency is improved, the accumulated dust is separated from the cloth bag, and the cloth bag dust cleaning device has the advantage of energy conservation. The gravity can effectively save energy and improve economic benefit.
Example 3:
the utility model provides a sack cleaner ash removal device, sack cleaner ash removal device includes: sack cleaner 5, the control unit 1, signal generator 2, power amplifier 3 and transducer 4, be provided with resonance check out test set on the sack cleaner 5, the control unit 1 is used for adjusting the harmonic signal that signal generator 2 produced and control unit 1 control signal generator 2 according to the resonance condition, signal generator 2 is used for producing the harmonic signal, transducer 4 is used for converting the harmonic signal into the sound wave in the sack cleaner 5, resonance check out test set is used for detecting whether the sound wave produces resonance with the air in the sack cleaner 5.
According to one aspect of the invention, the resonance detection device adopts the pressure sensor 6, the pressure sensor 6 is used for detecting the pressure change condition in the bag, and whether the sound wave resonates with the sound wave in the bag-type dust collector is judged according to whether the pressure changes.
In actual use, the dust in the cloth bag is separated from the cloth bag by utilizing natural sedimentation, so that the energy is effectively saved.
In the present embodiment, the signal generator 2 is used to generate harmonic signals.
In the present embodiment, the pressure sensor 6 is a dynamic pressure sensor.
In the present embodiment, the transducer 4 is a speaker.
The implementation of the invention has the advantages that:
the utility model provides a sack cleaner ash removal device, sack cleaner ash removal device includes: sack cleaner 5, the control unit 1, signal generator 2, power amplifier 3 and transducer 4, be provided with resonance check out test set on the sack cleaner 5, the control unit 1 is used for adjusting the harmonic signal that signal generator 2 produced and control unit 1 control signal generator 2 according to the resonance condition, signal generator 2 is used for producing the harmonic signal, transducer 4 is used for converting the harmonic signal into the sound wave in the sack cleaner 5, resonance check out test set is used for detecting whether the sound wave produces resonance with the air in the sack cleaner 5. The sound wave generated after adjustment resonates with the air in the cloth bag to remove ash. The effects of no need of air compression equipment, energy conservation and improvement of economic benefits can be achieved. The harmonic signals are amplified through the power amplifier, the accuracy of identifying the harmonic signals can be improved, and errors caused by identifying the harmonic signals in the subsequent sound wave generation are reduced. The transducer converts the harmonic signals into sound waves, so that a compressed air device is not required to be configured, and the transducer has the advantage of convenience in maintenance. The air in the cloth bag is resonantly cleaned by the sound waves, so that the dust cleaning efficiency is improved, the accumulated dust is separated from the cloth bag, and the cloth bag dust cleaning device has the advantage of energy conservation.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides a sack cleaner ash removal device which characterized in that: the sack cleaner ash removal device includes: sack cleaner, control unit, signal generator and transducer, be provided with resonance check out test set on the sack cleaner, the control unit is used for adjusting produced harmonic signal of signal generator and the control unit control signal generator according to the resonance condition, signal generator is used for producing the harmonic signal, the transducer is used for converting the harmonic signal into the sound wave in the sack cleaner, resonance check out test set is used for detecting whether the sound wave produces resonance with the air in the sack cleaner.
2. The dust remover dust cleaning device of claim 1, wherein the resonance detection equipment adopts a pressure sensor, the pressure sensor is used for detecting the pressure change condition in the bag, and whether the sound wave resonates with the sound wave in the bag-type dust remover is judged according to whether the pressure changes.
3. The dust remover ash removal device of claim 2, wherein the bag-type dust removal ash removal device further comprises a dust outlet, and the dust outlet is arranged at the bottom of the bag-type dust remover.
4. The dust remover ash removal device of any one of claims 2-3, wherein the bag-type dust remover ash removal device further comprises a signal amplifier, and the signal amplifier is used for amplifying harmonic signals.
5. A dust cleaning method of a bag-type dust collector is characterized in that: the dust cleaning method of the bag-type dust collector comprises the following steps:
the control unit controls the signal generator to generate a harmonic signal;
converting the harmonic signals into sound waves in a bag-type dust collector;
detecting whether the sound wave generates resonance with air in the bag-type dust collector;
the control unit adjusts the harmonic signals generated by the signal generator according to the resonance condition;
the sound wave generated after adjustment resonates with the air in the cloth bag to remove ash.
6. The dust removing method of the bag-type dust remover according to claim 5, characterized in that: the dust removing method of the bag-type dust remover also comprises the step of separating the dust in the bag from the bag by utilizing natural sedimentation.
7. The dust removing method of the bag-type dust remover according to claim 5, characterized in that: the dust removing method of the bag-type dust remover also comprises the step of amplifying a harmonic signal generated by the signal generator.
8. The dust removing method of the bag-type dust remover according to any one of claims 5 to 7, characterized in that: whether the sound waves resonate with the air in the bag-type dust collector or not is detected by detecting the pressure change condition in the bag through the dynamic pressure sensor and judging whether the sound waves resonate with the sound waves in the bag-type dust collector or not through the pressure change.
9. The dust removing method of the bag-type dust remover according to claim 8, characterized in that: the conversion of the harmonic signal into the sound wave in the bag-type dust collector is specifically that the harmonic signal is converted into the sound wave in the bag-type dust collector through an energy converter located in the bag-type dust collector.
10. The dust removing method of the bag-type dust remover according to claim 8, characterized in that: the resonance of the sound wave generated after adjustment and the air in the cloth bag is used for carrying out ash removal, namely, the sound wave generated after adjustment and the air in the cloth bag are resonated to enable the cloth bag and the dust on the cloth bag to vibrate, and the dust is separated from the cloth bag.
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| CN202010516327.XA CN111544975A (en) | 2020-06-09 | 2020-06-09 | Dust removing method and device for bag-type dust remover |
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| CN202010516327.XA CN111544975A (en) | 2020-06-09 | 2020-06-09 | Dust removing method and device for bag-type dust remover |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114714623A (en) * | 2020-12-22 | 2022-07-08 | 上海飞机制造有限公司 | Powder removing device |
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