CN102107107A - Split-type pulse dust collector for drying and burning sludge - Google Patents
Split-type pulse dust collector for drying and burning sludge Download PDFInfo
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- CN102107107A CN102107107A CN 201110003842 CN201110003842A CN102107107A CN 102107107 A CN102107107 A CN 102107107A CN 201110003842 CN201110003842 CN 201110003842 CN 201110003842 A CN201110003842 A CN 201110003842A CN 102107107 A CN102107107 A CN 102107107A
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Abstract
The invention relates to a split-type pulse dust collector for drying and burning sludge, which comprises an upper box body, a lower box body and a control system, wherein the upper box body comprises at least one filtering unit; the filtering unit comprises a purified gas chamber arranged in the upper layer, a filtering chamber arranged in the lower layer and a porous plate spacer arranged at the middle; a bypass channel is arranged inside the upper box body; the bypass channel extends out of the upper box body and is communicated with the external air through a by-pass valve; the by-pass valve plays the role of protecting against high temperature; the lower box body comprises an ash bu0063ket and a material bin; a vibrating and beating device is arranged inside the ash bucket; and the control system comprises a power control box and a power supply inlet. With the structure, the invention has the characteristics that: the split-type pulse dust collector for drying and burning sludge is convenient for installation, removes the ash completely, improves the seal performance, reduces the oxygen content, prolongs the service life of the filter bags, achieves the reasonable distribution of the filter bags, avoids the problem of bridging deposition of ashes inside the ash bucket during the use, and allows the by-pass valve and the lifting valve to be closed tightly. Besides, the split-type pulse dust collector for drying and burning sludge has the high temperature protection function.
Description
Technical field
The invention belongs to the dust removal filter technical field, be meant a kind of petroleum chemical enterprise's drying sludge branch mailbox pulse dust collector that relates to especially.
Background technology
At present, it is very limited that the space of mud is stacked by a lot of petroleum chemical enterprises, and this mud stockyard do not have antiseepage and diffusate recvery facility, can't satisfy the requirement of relevant environmental regulation, and the stacking of mud can only still will be carried out harmless treatment to mud as interim measure after certain time limit.
We have invented and have utilized residual heat from boiler fume that mud is carried out drying, send the technology of burning, and this deduster is that the dust as the drying machine exhanst gas outlet reclaims.In the existing deduster technology, deduster is wide in variety, but and be not suitable for various chemical compositions of flue gas behind petroleum chemical enterprise's drying sludge; because its reasons in structure, they also have following defective, and difficulty is installed; deashing is not thorough, and is poorly sealed, the oxygen content height; life of bag filter is short, and the filter bag spacing of arranging is unreasonable, and electromagnetic impulse valve is unreasonable with the filter bag length outfit; ash in the use in the ash bucket has the bridging phenomenon; by-passing valve, lift valve are not closed completely, and maintenance capacity is big, do not have problems such as high temperature protection function.
Summary of the invention
The present invention is directed to the problem defective of above-mentioned existence; provide a kind of easy for installation; deashing is thorough, and sealing is tight, and oxygen content is low; life of bag filter is long; filter bag is arranged rationally, the phenomenon of not putting up a bridge of the ash in the use in the ash bucket, and by-passing valve, lift valve are closed sternly; deduster easy to maintenance, as to have the high temperature protection function.
Goal of the invention of the present invention is achieved through the following technical solutions.
A kind of drying sludge send to burn and divides box pulse dust collector; comprise upper box; lower box; control system is formed; upper box is made up of the filter element of at least one; the filter element upper strata is an air-purifying chamber; lower floor is the filter chamber; the centre separates with porous plate; be provided with filter bag in the filter chamber; be off-line ash-clearing; the air-purifying chamber top is provided with electromagnetic impulse valve; electromagnetic impulse valve by pipeline successively with cylinder solenoid valve; cylinder; the compressed air gas source serial connection; upper box air inlet place is provided with air inlet pressure sensor and intake air temperature sensor; the air outlet place is provided with the air outlet pressure sensor; also be provided with bypass channel in the upper box; bypass channel extends to outside the casing; communicate with ambient atmosphere by by-passing valve; bypass channel plays the effect of high temperature protection; can effectively protect filter bag; prolong its life-span greatly; be connected by lift valve between the filter element; by-passing valve; electromagnetic impulse valve; lift valve is connected with air accumulator respectively; lower box is made up of ash bucket and feed bin; be provided with rapping apparatus in the ash bucket; the ash bucket bottom is provided with conveying worm; feed bin top is provided with level-sensing device; the ash bucket end opening links to each other with feed bin by discharge valve one; the feed bin end opening is provided with discharge valve two, and control system is made up of dynamic Control case and power import, is provided with the PLC micro computer in the dynamic Control case; the air inlet pressure sensor; the intake air temperature sensor; the air outlet pressure sensor links to each other by-passing valve with PLC input signal end; electromagnetic impulse valve; lift valve; the ash bucket rapping apparatus links to each other with the PLC output signal end.
Described drying sludge send to burn and divides box pulse dust collector, connects with flange between upper box and the lower box, can make installation more convenient like this.
Described drying sludge send to burn and divides box pulse dust collector, and air-purifying chamber is provided with access door, and access door can be set to one or more, and the access door encapsulant adopts silicone rubber strips, guarantees sealing property.
Described drying sludge send to burn and divides box pulse dust collector, and the material of filter bag is PPS, and arranging of every unit filter bag is * 12 of 8 rows, and the length of filter bag is 2.45-3 rice, can improve ash-removal effect.
Described drying sludge send to burn and divides box pulse dust collector, and electromagnetic impulse valve is of a size of 3 cun, and electromagnetic impulse valve port of export welding 90 degree elbows are aimed at the air-purifying chamber diagonal, make the high pressure draught in the air-purifying chamber even, and deashing is more thorough.
Described drying sludge send to burn and divides box pulse dust collector, and the deduster air inlet is provided with the airflow uniform distribution plate, makes flue gas evenly enter deduster.
Described drying sludge send to burn and divides box pulse dust collector, promotes valve plate, bypass valve plate encapsulant employing O type silastic sealing strip, guarantees sealing property.
Beneficial effect of the present invention.
1, easy for installation, upper box is connected with flange with lower box.
2, deashing is thorough, and jetting deashing adopts off-line ash-clearing, and upper box adopts several chambers, during certain chamber jetting deashing, lift valve cuts out, and filtered airflow is cut off, produce secondary fly-up when having avoided jetting deashing, prolong life of bag filter, add the filter bag length lengthening, select large scale impulse electromagnetic valve chi, the porous plate hole adopts the dark neck punch press of numerical control, guarantees the porous plate flatness, reduces between filter bag and rubs, guaranteed and the fitness of filter bag, guaranteed that the deduster fume emission reaches discharging standards (≤50mg/m
3).
3, convenient, the good seal of maintenance, air-purifying chamber is provided with access door, and access door can be set to one or more, and the access door encapsulant adopts silicone rubber strips, promotes valve plate, bypass valve plate encapsulant employing O type silastic sealing strip, guarantees sealing property.
4; has the high temperature protection function; deduster is provided with by-pass line; boiler smoke temperature about 350, the time low when high, as select high temperature resistance filtration material for use; cost strengthens; as select for use temperature filtrate of the anti-end can burn again, at this situation, we have adopted by-pass collar; and by-pass collar is arranged on the air inlet place of deduster air inlet and the middle inclined clapboard of air outlet; reduced the length and the resistance of pipeline, when temperature is higher than setting value, be sent to PLC, sent instruction by PLC by temperature sensor; open by-passing valve; high-temperature flue gas is by bypass line discharging and without filter bag, thereby protected deduster effectively, and deduster has designed the gas approach thermometer; the inlet and outlet pressure table; when flue-gas temperature is too high or too low, when presetting alarming value, open the bypath system valve automatically above PLC; the discharging flue gas, the protection filter bag.Cross when low when pressure reduction, the filter bag of dust collector breakage needs to check filter bag, when pressure reduction is too high, needs to adjust the magnetic valve winding-up cycle.
Electric control system adopts program able to programme.
Description of drawings
Fig. 1 is the front view that drying sludge divides box pulse dust collector.
Fig. 2 is the right view that drying sludge divides box pulse dust collector.
1 conveying worm, 2 ash buckets, 3 intake air temperature sensors, 4 air inlet pressure sensors, 5 bypass channels, 6 by-passing valves, 7 pipe joints, 8 filter bags, 9 electromagnetic impulse valves, 10 porous plates, 11 lift valves, 12, air accumulator, 13 air-purifying chambers, 14 filter chambers, 15 air outlet pressure sensors, 16 Rapping apparatus, 17 discharge valves one, 18 level-sensing devices, 19 feed bins, 20 discharge valves two, 21 dynamic Control casees, 22 power imports.
The specific embodiment
Contrast Fig. 1, Fig. 2, a kind of drying sludge send to burn and divides box pulse dust collector, comprise upper box, lower box, control system is formed, upper box is made up of the filter element of at least one, the filter element upper strata is an air-purifying chamber 13, lower floor is filter chamber 14, the centre separates with porous plate 10, be provided with filter bag 8 in the filter chamber 14, be off-line ash-clearing, air-purifying chamber 13 tops are provided with electromagnetic impulse valve 9, electromagnetic impulse valve 9 by pipeline successively with cylinder solenoid valve, cylinder, the compressed air gas source serial connection, upper box air inlet place is provided with air inlet pressure sensor 4 and intake air temperature sensor 3, the air outlet place is provided with air outlet pressure sensor 15, also be provided with bypass channel 5 in the upper box, bypass channel 5 extends to outside the casing, communicate with ambient atmosphere by by-passing valve 6, be connected by lift valve 11 between the filter element, by-passing valve 6, electromagnetic impulse valve 9, lift valve 11 is connected with air accumulator 12 respectively, lower box is made up of ash bucket 2 and feed bin 19, be provided with rapping apparatus 16 in the ash bucket 2, ash bucket 2 bottoms are provided with conveying worm 1, feed bin 19 tops are provided with level-sensing device 18, ash bucket 2 end openings link to each other with feed bin 19 by discharge valve 1, feed bin 19 end openings are provided with discharge valve 2 20, control system is made up of dynamic Control case 21 and power import 22,21 are provided with the PLC micro computer in the dynamic Control case, air inlet pressure sensor 4, intake air temperature sensor 3, air outlet pressure sensor 15 links to each other by-passing valve 6 with PLC input signal end, electromagnetic impulse valve 9, lift valve 11, ash bucket rapping apparatus 16 links to each other with the PLC output signal end.
Described drying sludge send to burn and divides box pulse dust collector, connects with flange between upper box and the lower box.
Described drying sludge send to burn and divides box pulse dust collector, and air-purifying chamber 13 is provided with access door, and the access door encapsulant adopts silicone rubber strips.
Described drying sludge send to burn and divides box pulse dust collector, and the material of filter bag 8 is PPS, and arranging of every unit filter bag is * 12 of 8 rows, and the length of filter bag is 2.45-3 rice.
Described drying sludge send to burn and divides box pulse dust collector, and electromagnetic impulse valve 9 is of a size of 3 cun, and electromagnetic impulse valve port of export welding 90 degree elbows are aimed at the air-purifying chamber diagonal.
Described drying sludge send to burn and divides box pulse dust collector, and the deduster air inlet is provided with the airflow uniform distribution plate.
Described drying sludge send to burn and divides box pulse dust collector, and lift valve 9 plates, by-passing valve 6 plate encapsulants adopt O type silastic sealing strip.
Filter process:After ash-laden gas enters deduster from air inlet, at first run into the middle inclined clapboard of air inlet, air-flow just diverted flow is gone into ash bucket, air velocity is slack-off simultaneously, because effect of inertia, make that crude particle dust directly falls into ash bucket in the gas, air velocity is slack-off simultaneously, because effect of inertia, make that crude particle dust directly falls into ash bucket in the gas, play the effect of gathering dust in advance, casing adopts dividing plate to be divided into several independent dust chambers, each dust chamber is taken turns deashing according to the given time interval, each dust chamber is equipped with a lift valve, and lift valve cuts out the filtered airflow of cutting off by this dust chamber during deashing, and pulse valve is opened immediately, in filter bag, spray into pressure-air to remove the apparent dust of filter bag, discharge by ash-discharging device, after blower fan stops, pulse dust cleaning system delay work 5 minutes.
Control procedure:PLC micro computer 21 is setting-up time interval and winding-up time arbitrarily, implements regularly deashing, and deashing is spaced apart 15 minutes, and when the super setting value of pressure reduction, PLC micro computer 21 enters automatic deashing continuously, but also setting-up time control; Be sent to PLC micro computer 21 when temperature is higher than when setting value by temperature sensor, send instruction, open by-passing valve by PLC micro computer 21, high-temperature flue gas by the bypass line discharging without filter bag, thereby protected deduster effectively.When PLC micro computer 21 is not worked, can implement manually.
Claims (7)
1. a drying sludge send to burn and divides box pulse dust collector, it is characterized in that comprising upper box, lower box, control system is formed, upper box is made up of the filter element of at least one, the filter element upper strata is an air-purifying chamber, lower floor is the filter chamber, the centre separates with porous plate, be provided with filter bag in the filter chamber, be off-line ash-clearing, the air-purifying chamber top is provided with electromagnetic impulse valve, electromagnetic impulse valve by pipeline successively with cylinder solenoid valve, cylinder, the compressed air gas source serial connection, upper box air inlet place is provided with air inlet pressure sensor and intake air temperature sensor, the air outlet place is provided with the air outlet pressure sensor, also be provided with bypass channel in the upper box, bypass channel extends to outside the casing, communicate with ambient atmosphere by by-passing valve, be connected by lift valve between the filter element, by-passing valve, electromagnetic impulse valve, lift valve is connected with air accumulator respectively, lower box is made up of ash bucket and feed bin, be provided with rapping apparatus in the ash bucket, the ash bucket bottom is provided with conveying worm, feed bin top is provided with level-sensing device, the ash bucket end opening links to each other with feed bin by blowdown valve one, the feed bin end opening is provided with blowdown valve two, control system is made up of dynamic Control case and power import, be provided with the PLC micro computer in the dynamic Control case, the air inlet pressure sensor, the intake air temperature sensor, the air outlet pressure sensor links to each other by-passing valve with PLC input signal end, electromagnetic impulse valve, lift valve, the ash bucket rapping apparatus links to each other with the PLC output signal end.
2. drying sludge according to claim 1 send to burn and divides box pulse dust collector, it is characterized in that connecting with flange between upper box and the lower box.
3. drying sludge according to claim 1 send to burn and divides box pulse dust collector, it is characterized in that air-purifying chamber is provided with access door, and the access door encapsulant adopts silicone rubber strips.
4. drying sludge according to claim 1 send to burn and divides box pulse dust collector, and the material that it is characterized in that filter bag is PPS, and arranging of every unit filter bag is * 12 of 8 rows, and the length of filter bag is 2.45-3 rice.
5. drying sludge according to claim 1 send to burn and divides box pulse dust collector, it is characterized in that electromagnetic impulse valve is of a size of 3 cun, and electromagnetic impulse valve port of export welding 90 degree elbows are aimed at the air-purifying chamber diagonal.
6. drying sludge according to claim 1 send to burn and divides box pulse dust collector, it is characterized in that the deduster air inlet is provided with the airflow uniform distribution plate.
7. drying sludge according to claim 1 send to burn and divides box pulse dust collector, it is characterized in that promoting valve plate, bypass valve plate encapsulant employing O type silastic sealing strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110003842 CN102107107B (en) | 2011-01-11 | 2011-01-11 | Split-type pulse dust collector for drying and burning sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110003842 CN102107107B (en) | 2011-01-11 | 2011-01-11 | Split-type pulse dust collector for drying and burning sludge |
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| CN102107107A true CN102107107A (en) | 2011-06-29 |
| CN102107107B CN102107107B (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110003842 Expired - Fee Related CN102107107B (en) | 2011-01-11 | 2011-01-11 | Split-type pulse dust collector for drying and burning sludge |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371099A (en) * | 2011-10-20 | 2012-03-14 | 无锡市西漳环保设备有限公司 | Offline pulse back-blowing and ash-cleaning automatic control system |
| CN102908837A (en) * | 2012-11-20 | 2013-02-06 | 黄山加佳荧光材料有限公司 | Superfine powdery fluorescent pigment collector |
| CN102995525A (en) * | 2012-11-08 | 2013-03-27 | 广东易山重工股份有限公司 | Work bin gate control system of pavement patching machine |
| CN104857782A (en) * | 2015-06-13 | 2015-08-26 | 黄浩 | Double-layered efficient bag dust collector |
| CN105771456A (en) * | 2016-03-07 | 2016-07-20 | 苏州保酚环境科技有限公司 | Pulse spraying and blowing deduster |
| CN106731314A (en) * | 2016-12-21 | 2017-05-31 | 东莞吉川机械科技股份有限公司 | A kind of honeycomb duster |
| CN109529519A (en) * | 2019-01-07 | 2019-03-29 | 佛山市佛丹职业安全卫生设备有限公司 | The cabinet type small-sized off-line ash-clearing deduster of one and its control method |
| CN109550334A (en) * | 2018-12-04 | 2019-04-02 | 厦门欣起点工控技术有限公司 | A kind of sanitation cart intelligence dedusting control system |
| CN110898567A (en) * | 2019-04-23 | 2020-03-24 | 江苏集萃工业过程模拟与优化研究所有限公司 | Moving bed particle dust removal device and method capable of automatically adjusting speed of filter material |
| CN111298537A (en) * | 2020-04-02 | 2020-06-19 | 盐城市顺源环保设备有限公司 | Potash fertilizer drying waste gas treatment process |
| CN114146500A (en) * | 2021-11-30 | 2022-03-08 | 华能吉林发电有限公司长春热电厂 | Pulse bag type dust collector with dust collection device capable of preventing multiple times of adhesion |
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Patent Citations (5)
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| CN2106652U (en) * | 1991-11-18 | 1992-06-10 | 冶金工业部鞍山焦化耐火材料设计研究院试验厂 | Single-filtering low-resistance pulse dust precipitator with two bags |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371099A (en) * | 2011-10-20 | 2012-03-14 | 无锡市西漳环保设备有限公司 | Offline pulse back-blowing and ash-cleaning automatic control system |
| CN102995525A (en) * | 2012-11-08 | 2013-03-27 | 广东易山重工股份有限公司 | Work bin gate control system of pavement patching machine |
| CN102908837A (en) * | 2012-11-20 | 2013-02-06 | 黄山加佳荧光材料有限公司 | Superfine powdery fluorescent pigment collector |
| CN104857782A (en) * | 2015-06-13 | 2015-08-26 | 黄浩 | Double-layered efficient bag dust collector |
| CN105771456A (en) * | 2016-03-07 | 2016-07-20 | 苏州保酚环境科技有限公司 | Pulse spraying and blowing deduster |
| CN106731314A (en) * | 2016-12-21 | 2017-05-31 | 东莞吉川机械科技股份有限公司 | A kind of honeycomb duster |
| CN109550334A (en) * | 2018-12-04 | 2019-04-02 | 厦门欣起点工控技术有限公司 | A kind of sanitation cart intelligence dedusting control system |
| CN109529519A (en) * | 2019-01-07 | 2019-03-29 | 佛山市佛丹职业安全卫生设备有限公司 | The cabinet type small-sized off-line ash-clearing deduster of one and its control method |
| CN110898567A (en) * | 2019-04-23 | 2020-03-24 | 江苏集萃工业过程模拟与优化研究所有限公司 | Moving bed particle dust removal device and method capable of automatically adjusting speed of filter material |
| CN111298537A (en) * | 2020-04-02 | 2020-06-19 | 盐城市顺源环保设备有限公司 | Potash fertilizer drying waste gas treatment process |
| CN114146500A (en) * | 2021-11-30 | 2022-03-08 | 华能吉林发电有限公司长春热电厂 | Pulse bag type dust collector with dust collection device capable of preventing multiple times of adhesion |
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| CN102107107B (en) | 2013-01-09 |
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Address after: 212200, No. 189, Yangzi East Road, Yangzhong City, Jiangsu, Jiangsu, Zhenjiang Applicant after: Jiangsu Uonone Environment Engineering Co., Ltd. Address before: 212200, No. 189, Yangzi East Road, Yangzhong City, Jiangsu, Jiangsu, Zhenjiang Applicant before: Jiangsu Nicetown Electrical Equipment Group |
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Free format text: CORRECT: APPLICANT; FROM: JIANGSU NICETOWN ENVIRONMENTAL ENGINEERING CO., LTD. TO: JIANGSU UONONE ENVIRONMENTAL ENGINEERING CO., LTD. Free format text: CORRECT: INVENTOR; FROM: WEI PEIYIN WANG YOUCAI TO: WEI PEIYIN |
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