CN108579264B - Operation method of sectional pulse back-blowing air filter element regeneration system - Google Patents
Operation method of sectional pulse back-blowing air filter element regeneration system Download PDFInfo
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- CN108579264B CN108579264B CN201810649809.5A CN201810649809A CN108579264B CN 108579264 B CN108579264 B CN 108579264B CN 201810649809 A CN201810649809 A CN 201810649809A CN 108579264 B CN108579264 B CN 108579264B
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- pulse
- filter element
- dust removing
- air
- auxiliary
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- 238000007664 blowing Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000008929 regeneration Effects 0.000 title claims abstract description 10
- 238000011069 regeneration method Methods 0.000 title claims abstract description 10
- 239000000428 dust Substances 0.000 claims abstract description 60
- 238000005192 partition Methods 0.000 claims abstract description 24
- 230000010349 pulsation Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 238000004887 air purification Methods 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 6
- 230000003111 delayed effect Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- 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
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
-
- 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
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
-
- 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
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the technical field of air purification, in particular to a sectional type pulse back-blowing air filter element regeneration system and a method thereof. The dust removing device comprises a dust removing box body, a filter element arranged in the dust removing box body and a pulsation air source arranged outside the dust removing box body, wherein an air outlet and an air inlet are respectively arranged at the upper side and the lower side of the dust removing box body, a partition plate for fixing the filter element is further arranged in the dust removing box body, the partition plate is in interference fit with the dust removing box body, an inner hole is formed in the partition plate, a mechanical ash removing pipe is arranged on the partition plate at the lower end of the inner hole, and the bottom of the mechanical ash removing pipe is connected with the upper end of the filter element in a sealing manner; the dust removal box upper end is provided with the jetting pipe, the jetting pipe is connected with the pulsation air supply, the jetting pipe lower extreme with the vertical position of filter core corresponds the place and is provided with the nozzle. The sectional pulse blowing is utilized, and the absorption effect of the inertia of the filtered air flow on the main pulse air flow can be reduced and the entrainment effect of the main pulse blowing air flow can be enhanced through the advanced release of the auxiliary pulse blowing.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to an operation method of a sectional pulse back-blowing air filter element regeneration system.
Background
The filtration type dust removing technology has high dust collecting efficiency and is widely applied to industrial processes such as electric power, steel, cement, mine, paper pulp and the like. With the accumulation of dust on the filter element, the running resistance of the dust removing system can be increased, and dust removal treatment is required to be carried out on the dust attached to the filter element. The pulse blowing technology is widely adopted at present, and has the advantages of simple process and structure, good ash cleaning effect and high stability. However, pulse blowing ash removal has some problems that in the process of pulse ash removal, although relatively fine dust particles on a filter element are stripped by ash removal, the dust particles sink immediately due to small specific gravity and suspend around the filter element, and when transient pulse airflow suddenly stops, the settled dust can be adsorbed again on the surface of the filter element, so that the ash removal effect is poor. In addition, the pulse air flow in the ash cleaning process can be weakened by the filtering air flow, so that the pulse blowing efficiency is reduced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, adapt to the actual needs and provide an operation method of a sectional pulse back-flushing air filter element regeneration system.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
the sectional pulse back-blowing air filter element regeneration system comprises a dust removal box body, a filter element arranged in the dust removal box body and a pulse air source arranged outside the dust removal box body, wherein an air outlet and an air inlet are respectively arranged at the upper side and the lower side of the dust removal box body, a partition plate for fixing the filter element is further arranged in the dust removal box body, the partition plate is in interference fit with the dust removal box body, an inner hole is formed in the partition plate, a mechanical ash removal pipe is arranged on the partition plate at the lower end of the inner hole, and the bottom of the mechanical ash removal pipe is in sealing connection with the upper end of the filter element; the dust removal box upper end is provided with the jetting pipe, the jetting pipe is connected with the pulsation air supply, the jetting pipe lower extreme with the place that the vertical position of filter core corresponds is provided with the nozzle, and through the nozzle to the jet-propelled of filter core pulsation for mechanical ash removal pipe is mechanical motion, shakes the dust of tube core outer wall off.
The mechanical ash removal pipe comprises a spring, bolts and rubber sleeves, two bolt holes are formed in two sides of a partition plate of an outer ring of an inner hole, bolts are arranged in the bolt holes, the bottoms of the bolts are fixedly connected with the upper ends of the springs, the lower ends of the springs are fixedly connected with the upper ends of filter elements, the rubber sleeves are arranged between filter elements on two sides of the springs and the partition plate, the upper ends and the lower ends of the rubber sleeves are respectively connected with the partition plate and the filter elements in a sealing mode, and spring elastic coefficients on two sides of the top of the filter elements are different.
The filter is characterized in that a plurality of inner holes are formed in the partition board, each inner hole is correspondingly provided with a filter element, and each filter element is correspondingly provided with a nozzle.
The pulse air source comprises a main pulse valve, an auxiliary air bag, a pulse controller and a main air bag, the injection pipe is respectively communicated with the auxiliary air bag and the main air bag, the injection pipe is respectively provided with the auxiliary pulse valve and the main pulse valve on a pipeline communicated with the auxiliary air bag and the main air bag, and the auxiliary pulse valve and the main pulse valve are controlled by the pulse controller.
The ash removal of the filter element comprises main pulse and auxiliary pulse, one period of the pulse comprises four times of pulse ash removal, and the four times of pulse ash removal are respectively as follows:
the first ash removal is carried out, the auxiliary pulse is started for 0.01 to 0.10s, and the pause is 0.05 to 0.20s;
secondary ash removal, starting the main pulse for 0.05-0.30s, and stopping for 0.05-0.20s;
thirdly, ash is removed, auxiliary pulse is started for 0.01-0.50s, and the pause is 0.05-0.20s;
fourth ash removal, auxiliary pulse starting for 0.01-0.50s and 60s;
the above ash removal is then repeated, which is one cycle of pulse blowing.
The blowing pressure of the auxiliary pulse is 1/5-1/2 of that of the main pulse.
In the pulse ash removal process, the spring coefficients of the springs arranged at the left end and the right end of the filter element are different, when the blowing pressure acts on the filter element, the filter element can vibrate in the vertical direction and the horizontal direction, and the rubber sleeve can prevent air leakage and ensure that the springs and the bolts are not influenced by dust.
The invention has the beneficial effects that:
the sectional pulse blowing is utilized, the reduction effect of the inertia of the filtered air flow on the main pulse air flow can be reduced by the advanced release of the auxiliary pulse blowing, the entrainment effect of the main pulse blowing air flow is enhanced, and the recovery of the filtered air flow is effectively delayed by the continuous release of the auxiliary pulse blowing, so that the secondary adsorption of dust particles is prevented; the springs with different elastic coefficients at the left end and the right end of the filter element enable the filter element to vibrate in the vertical direction and the horizontal direction, so that the falling-off of dust attached to the surface of the filter element is aggravated, and the ash removing effect is enhanced.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an enlarged view of a portion of the present invention.
The device comprises a nozzle 1, a blowing pipe 2, a main pulse valve 3, an auxiliary pulse valve 4, an auxiliary air bag 5, a pulse controller 6, a main air bag 7, a filter element 8, a dust removing box 9, a transverse plate 10, a spring 11, a bolt 12 and a rubber sleeve 13.
Description of the embodiments
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
see fig. 1-2.
Examples
The utility model provides a sectional type pulse blowback air filter core regeneration system, includes dust removal box 9, installs the filter core 8 in dust removal box 9 and sets up the pulsation air supply in the dust removal box 9 outside, dust removal box 9 upper and lower both sides are provided with gas outlet 14 and air inlet 15 respectively, the inside baffle 10 that is used for fixing filter core 8 that still is equipped with of dust removal box 9, baffle 10 and dust removal box 9 interference fit, be provided with the hole on the baffle 10, be provided with mechanical ash removal pipe on the baffle of hole lower extreme, mechanical ash removal pipe bottom and filter core 8 upper end sealing connection; the dust removal box 9 upper end is provided with the jetting pipe 2, jetting pipe 2 is connected with the pulsation air supply, jetting pipe 2 lower extreme with the place that filter core 8 vertical position corresponds is provided with nozzle 1, and through nozzle 1 to the jet-propelled of filter core 8 pulsation for mechanical ash removal pipe is mechanical motion, shakes the dust of die outer wall.
The mechanical ash removal pipe comprises a spring 11, bolts 12 and a rubber sleeve 13, two bolt holes are formed in two sides of a partition plate 10 of an inner hole outer ring, the bolts 12 are arranged in the bolt holes, the bottoms of the bolts are fixedly connected with the upper ends of the springs 11, the lower ends of the springs 11 are fixedly connected with the upper ends of the filter elements 8, the rubber sleeve 13 is arranged between the filter elements 8 on two sides of the springs 11 and the partition plate 10, the upper end and the lower end of the rubber sleeve 13 are respectively connected with the partition plate and the filter elements 8 in a sealing mode, and the elastic coefficients of the springs 11 on two sides of the top of the filter elements 8 are different.
The partition board 10 is provided with a plurality of inner holes, each inner hole is correspondingly provided with a filter element 8, and each filter element 8 is correspondingly provided with a nozzle 1.
The pulse air source comprises a main pulse valve 3, an auxiliary pulse valve 4, an auxiliary air bag 5, a pulse controller 6 and a main air bag 7, the injection pipe 2 is respectively communicated with the auxiliary air bag 5 and the main air bag 7, the injection pipe 2 is respectively provided with the auxiliary pulse valve 4 and the main pulse valve 3 on pipelines communicated with the auxiliary air bag 5 and the main air bag 7, and the auxiliary pulse valve 4 and the main pulse valve 3 are controlled by the pulse controller 6.
The ash removal of the filter element 8 comprises main pulse and auxiliary pulse, one period of the pulse is four-time pulse ash removal, and the four pulses are respectively:
the filtering wind speed is 0.5-4.0 m/min, so that four pulse ash removal processes are included when one round of ash removal is carried out:
the 1 st auxiliary pulse blowing is carried out, the blowing time is 0.05s, the pause time is 0.10s, the air flow of the filtered air is interrupted and reversed, the ventilation resistance of the main blowing air flow is reduced later, and a better blowing environment is provided for the main pulse.
The 2 nd main pulse blowing, the blowing time is 0.15s, the pause time is 0.10s, on the basis of the 1 st auxiliary pulse blowing, the surrounding air flow is reversed when the main blowing is started, the secondary entrainment can be increased by blowing, the larger entrainment quantity is realized, and the ash cleaning effect is enhanced.
The 3 rd auxiliary pulse blowing is carried out for 0.05s, the pause time is 0.10s, the back suction of the wind flow after the main pulse blowing is delayed under the action of the auxiliary pulse blowing pressure, the re-suction of the finer dust particles suspended on the surface of the filter element can be effectively prevented, more settling time is striven for the dust stripped from the surface of the filter element, and the ash cleaning efficiency is improved.
The 4 th auxiliary pulse blowing is carried out for 0.05s, the stopping time is 60s, and fine dust particles which are possibly sucked back are further removed.
The above ash removal is then repeated, which is one cycle of pulse blowing.
The blowing pressure of the auxiliary pulse is 1/5-1/2 of that of the main pulse.
In the process of pulse ash removal, the spring coefficients of the springs 11 arranged at the left end and the right end of the filter element 8 are different, when the injection pressure acts on the filter element 8, the filter element 8 can vibrate in the vertical direction and the horizontal direction, and the rubber sleeve 13 can prevent air leakage and ensure that the springs 11 and the bolts 12 are not influenced by dust.
In the ash removal process, the first auxiliary pulse blowing breaks the airflow of the filtered air, reduces the ventilation resistance of the main blowing airflow later, and provides a better blowing environment for the main pulse. The secondary blowing is main pulse blowing, and the air flow around the primary auxiliary pulse blowing is reversed, so that larger secondary entrainment quantity can be realized, and the ash cleaning effect is enhanced. The recovery of the filtered air flow can be delayed by the blowing pressure generated by the third auxiliary pulse blowing, and the re-adsorption of relatively fine dust particles suspended around the filter element can be effectively prevented. The fourth auxiliary pulse blowing further delays recovery of the filtered air flow, inhibits re-suction adsorption of dust around the filter element, and strives for more settling time for the dust stripped from the surface of the filter element.
When pulse blowing is performed each time, blowing pressure acts on the filter element, so that springs with different elastic coefficients at the left end and the right end of the filter element deform, the filter element vibrates in the vertical direction and the horizontal direction, a mechanical ash removing mode is effectively combined, stripping of dust on the surface of the filter element is enhanced, and the ash removing effect is enhanced. The rubber sleeve wrapped on the spring and the bolt can prevent air leakage and ensure that the spring and the bolt are not influenced by dust.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes or direct or indirect application in the relevant art utilizing the present specification and drawings are included in the scope of the present invention.
Claims (3)
1. The utility model provides an operation method of sectional type pulse blowback air filter core regeneration system, includes dust removal box (9), installs filter core (8) in dust removal box (9) and sets up the pulsation air supply in dust removal box (9) outside, its characterized in that: the dust removing device is characterized in that an air outlet (14) and an air inlet (15) are respectively arranged on the upper side and the lower side of the dust removing box body (9), a partition board (10) for fixing the filter element (8) is further arranged in the dust removing box body (9), the partition board (10) is in interference fit with the dust removing box body (9), an inner hole is formed in the partition board (10), a mechanical dust removing pipe is arranged on the partition board at the lower end of the inner hole, and the bottom of the mechanical dust removing pipe is connected with the upper end of the filter element (8) in a sealing mode; the dust removing device is characterized in that an injection pipe (2) is arranged at the upper end of the dust removing box body (9), the injection pipe (2) is connected with a pulsation air source, a nozzle (1) is arranged at the position, corresponding to the vertical position of the filter element (8), of the lower end of the injection pipe (2), the filter element (8) is subjected to pulsation air injection through the nozzle (1), so that the mechanical dust removing pipe performs mechanical movement, and dust on the outer wall of the pipe core is shaken off; the mechanical ash removing pipe comprises a spring (11), bolts (12) and a rubber sleeve (13), two sides of a partition plate (10) of an inner hole outer ring are provided with two bolt holes, the bolts (12) are arranged in the bolt holes, the bottoms of the bolts are fixedly connected with the upper ends of the springs (11), the lower ends of the springs (11) are fixedly connected with the upper ends of filter elements (8), the rubber sleeve (13) is arranged between the filter elements (8) and the partition plate (10) at the two sides of the springs (11), the upper end and the lower end of the rubber sleeve (13) are respectively in sealing connection with the partition plate and the filter elements (8), and the elastic coefficients of the springs (11) at the two sides of the top of the filter elements (8) are different; a plurality of inner holes are formed in the partition plate (10), each inner hole is correspondingly provided with a filter element (8), and each filter element (8) is correspondingly provided with a nozzle (1); the pulse air source comprises a main pulse valve (3), an auxiliary pulse valve (4), an auxiliary air bag (5), a pulse controller (6) and a main air bag (7), wherein the injection pipe (2) is respectively communicated with the auxiliary air bag (5) and the main air bag (7), the injection pipe (2) and the auxiliary air bag (5) and the main air bag (7) are respectively arranged on pipelines communicated with each other, the auxiliary pulse valve (4) and the main pulse valve (3) are respectively arranged on pipelines communicated with the auxiliary air bag, and the auxiliary pulse valve (4) and the main pulse valve (3) are controlled by the pulse controller (6), so that the pulse controller is characterized in that the ash cleaning of the filter element (8) comprises main pulses and auxiliary pulses, and one period of the pulses comprises four pulse ash cleaning steps:
the first ash removal is carried out, the auxiliary pulse is started for 0.01 to 0.10s, and the pause is 0.05 to 0.20s;
secondary ash removal, starting the main pulse for 0.05-0.30s, and stopping for 0.05-0.20s;
thirdly, ash is removed, auxiliary pulse is started for 0.01-0.50s, and the pause is 0.05-0.20s;
fourth ash removal, auxiliary pulse starting for 0.01-0.50s and 60s;
the above ash removal is then repeated, which is one cycle of pulse blowing.
2. The method for operating a segmented pulse back-flushing air filter cartridge regeneration system according to claim 1, wherein the auxiliary pulse has a blowing pressure of 1/5 to 1/2 of the main pulse.
3. The operation method of a sectional type pulse back blowing air filter element regeneration system according to claim 1, wherein in the process of pulse ash removal, the spring coefficients of springs (11) arranged at the left and right ends of the filter element (8) are different, when the blowing pressure acts on the filter element (8), the filter element (8) can vibrate in the vertical direction and the horizontal direction, and the rubber sleeve (13) can prevent air leakage and ensure that the springs (11) and the bolts (12) are not influenced by dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810649809.5A CN108579264B (en) | 2018-06-22 | 2018-06-22 | Operation method of sectional pulse back-blowing air filter element regeneration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810649809.5A CN108579264B (en) | 2018-06-22 | 2018-06-22 | Operation method of sectional pulse back-blowing air filter element regeneration system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108579264A CN108579264A (en) | 2018-09-28 |
| CN108579264B true CN108579264B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810649809.5A Active CN108579264B (en) | 2018-06-22 | 2018-06-22 | Operation method of sectional pulse back-blowing air filter element regeneration system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109966810B (en) * | 2019-04-25 | 2023-10-31 | 南昌大学 | Quick-opening slow-closing pulse blowing device |
| CN113757006B (en) * | 2021-09-14 | 2023-01-31 | 中国北方车辆研究所 | Compact pulse blowback long-life air cleaner |
| CN114607538A (en) * | 2022-03-02 | 2022-06-10 | 安徽工业大学 | Self-cleaning air filter |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU6200480A (en) * | 1979-09-28 | 1981-04-02 | International Business Machines Corp. | Satellite tdma communication control |
| SU1031514A1 (en) * | 1981-09-03 | 1983-07-30 | Государственный Научно-Исследовательский Энергетический Институт Им.Г.М.Кржижановского | Method of automatic control of boiler unit electric filter |
| CN2796237Y (en) * | 2005-04-26 | 2006-07-12 | 美国芯源系统股份有限公司 | Switching power supply |
| RU2337747C1 (en) * | 2007-04-16 | 2008-11-10 | Государственное образовательное учреждение высшего профессионального образования "Уральский государственный технический университет УГТУ-УПИ" | Method for controlling regeneration of bag type filters |
| CN103380453A (en) * | 2010-12-21 | 2013-10-30 | 晶典有限公司 | Spatial light modulator with storage reducer |
| CN203436975U (en) * | 2013-09-09 | 2014-02-19 | 佛山市人居环保工程有限公司 | Dust remover with thickness-controllable, sorting and continuous dust layer |
| WO2015032246A1 (en) * | 2013-09-09 | 2015-03-12 | 佛山市人居环保工程有限公司 | Continuous sorting dust remover with accumulation shelf layer having controllable thickness, and operation method therefor |
| CN206746176U (en) * | 2017-04-12 | 2017-12-15 | 大同冀东水泥有限责任公司 | A kind of quick device for checking that dust-precipitator pressure is low |
| CN107596815A (en) * | 2017-11-01 | 2018-01-19 | 福建龙净脱硫脱硝工程有限公司 | The acquisition methods and system in a kind of injection cycle of sack cleaner |
-
2018
- 2018-06-22 CN CN201810649809.5A patent/CN108579264B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU6200480A (en) * | 1979-09-28 | 1981-04-02 | International Business Machines Corp. | Satellite tdma communication control |
| SU1031514A1 (en) * | 1981-09-03 | 1983-07-30 | Государственный Научно-Исследовательский Энергетический Институт Им.Г.М.Кржижановского | Method of automatic control of boiler unit electric filter |
| CN2796237Y (en) * | 2005-04-26 | 2006-07-12 | 美国芯源系统股份有限公司 | Switching power supply |
| RU2337747C1 (en) * | 2007-04-16 | 2008-11-10 | Государственное образовательное учреждение высшего профессионального образования "Уральский государственный технический университет УГТУ-УПИ" | Method for controlling regeneration of bag type filters |
| CN103380453A (en) * | 2010-12-21 | 2013-10-30 | 晶典有限公司 | Spatial light modulator with storage reducer |
| CN203436975U (en) * | 2013-09-09 | 2014-02-19 | 佛山市人居环保工程有限公司 | Dust remover with thickness-controllable, sorting and continuous dust layer |
| WO2015032246A1 (en) * | 2013-09-09 | 2015-03-12 | 佛山市人居环保工程有限公司 | Continuous sorting dust remover with accumulation shelf layer having controllable thickness, and operation method therefor |
| CN206746176U (en) * | 2017-04-12 | 2017-12-15 | 大同冀东水泥有限责任公司 | A kind of quick device for checking that dust-precipitator pressure is low |
| CN107596815A (en) * | 2017-11-01 | 2018-01-19 | 福建龙净脱硫脱硝工程有限公司 | The acquisition methods and system in a kind of injection cycle of sack cleaner |
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| CN108579264A (en) | 2018-09-28 |
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