CN201164772Y - Big chamber big ash bucket bag-type dust remover with improved blowing ash removing strength - Google Patents

Big chamber big ash bucket bag-type dust remover with improved blowing ash removing strength Download PDF

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Publication number
CN201164772Y
CN201164772Y CNU2008200000904U CN200820000090U CN201164772Y CN 201164772 Y CN201164772 Y CN 201164772Y CN U2008200000904 U CNU2008200000904 U CN U2008200000904U CN 200820000090 U CN200820000090 U CN 200820000090U CN 201164772 Y CN201164772 Y CN 201164772Y
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CN
China
Prior art keywords
pulse
bag
filter bag
filtering
chamber
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CNU2008200000904U
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Chinese (zh)
Inventor
王纯
俞非漉
朱晓华
姜凤有
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MCC Engineering Technology Co., Ltd.
Original Assignee
Central Research Institute of Building and Construction Co Ltd MCC Group
China Jingye Engineering Corp Ltd
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Publication date
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Priority to CNU2008200000904U priority Critical patent/CN201164772Y/en
Application granted granted Critical
Publication of CN201164772Y publication Critical patent/CN201164772Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a pulse bag-type dust remover which comprises big filtering bag chambers and big dust hoppers and used for improving the injection and dust removal intensity. The pulse bag-type dust remover is characterized in that the filtering bag chambers are provided with filtering bags, every filtering bag chamber is provided with a dust hopper, and the total filtering area of the filtering bags in every filtering bag chamber is 1000-6000 square meters; pulse valves in every filtering bag chamber adopt double row arrangement, namely, the pulse valves are arranged at two sides of every filtering bag chamber or at the middle of every filtering bag chamber in two rows; tilted-plate type guiding plates are arranged in the dust hoppers and at the sides opposite to air inlets of dust hoppers; the pulse bag-type dust remover adopts filtering bags of 6-9 m in length. The pulse bag-type dust remover can improve the injection and dust removal intensity, save the investment and the occupying area, and improve the operation rate; in addition, with the adoption of the improved inlet airflow guide plates, the pulse bag-type dust remover ensures more uniform airflow entering the filtering bags, avoids the abrasion of the filtering bags, and reduces the resistance force thereof.

Description

Improve the big chamber Large ash bucket pulse bag filter of jetting deashing intensity
Technical field
The utility model belongs to the bag-type dust collecting equipment that industrial dedusting is used, and specifically is a kind of big chamber Large ash bucket pulse bag filter that improves jetting deashing intensity.
Background technology
Existing pulse bag type dust collector is mainly by the deduster main body, and ash-transmission system and electric control gear three parts are formed.The deduster main body comprises ash bucket, filter bag chamber, cage bone, filter bag, pulse jetting deashing device, advances exhaust duct etc.; Ash-transmission system comprises unloading valve door, drag conveyor, bucket elevator, special-purpose ash-storing bin etc.General deduster main body adopts filter bag chamber and ash bucket, at the indoor filter bag that is equipped with of filter bag.But the filter dirt ability of existing filter bag chamber is lower, and jetting deashing intensity is relatively poor, and floor space is more, and the steel unit consumption of equipment (ratio of deduster rolled steel dosage and filter bag of dust collector filter area) is higher, and improved potentiality are still arranged.
The utility model content
The purpose of this utility model provides a kind of big chamber Large ash bucket pulse bag filter that improves jetting deashing intensity, to address the above problem.The purpose of this utility model is to realize by following technical scheme.
The utility model is a kind of big chamber Large ash bucket pulse bag filter that improves jetting deashing intensity, comprises filter bag chamber, ash bucket, and filter bag, pulse valve is characterized in that:
Each filter bag chamber all is provided with an ash bucket, and total filter area of the filter bag of each filter bag chamber correspondence is 1000~6000 square metres.
The pulse valve arrangement of each filter bag chamber is double layout, and pulse valve can divide two rows to be arranged in the both sides of filter bag chamber, or is arranged in the centre of filter bag chamber.
The ramp type deflector is housed in the ash bucket, and the ramp type deflector is arranged on a side relative with the ash bucket air inlet.
The angle of swash plate and vertical direction is between 0~30 degree.
The filter bag length that adopts is 6~9 meters.
The dischargeable capacity of described ash bucket is 70 to 100 cubic metres.
The applicant thinks: pulse jetting deashing device is the key of decision pulse bag type dust collector ash-removal effect.Ash-removal effect is bad, pulse bag type dust collector lower resistance operation for a long time.Pulse spraying equipment is made up of high pressure gas bag, pulse valve, winding-up pipe etc. usually, and the nozzle quantity on the bore of its deashing intensity and filter bag, filter bag length, blowing gas pressure, the winding-up pipe, nozzle diameter, burner design etc. are all multifactor relevant.Discover that by experiment filter bag length has appreciable impact to jetting deashing intensity, under identical winding-up condition, filter bag is long more, and jetting deashing intensity is just weak more, and therefore the filter bag length of domestic pulse bag type dust collector all is no more than 6 meters.The various parameters of the pulse jetting deashing device that the utility model adopts are to determine that on the basis of a large amount of experimental datas deashing intensity significantly improves.Even filter bag length reaches 9 meters, filter bag bottom pulse jet pressure also surpasses 2000Pa, and the ash-removal effect of filter bag is good.(the good pulse bag type dust collector of many deashings of Baosteel when deashing, the force value of its filter bag bottom about 2000Pa, therefore with this parameter as the foundation of weighing pulse ash remover deashing intensity.) compare with common pulse bag type dust collector, filter bag length can increase by 50%, and under the constant situation of floor space, filter area increases by 50%, and the steel unit consumption also reduces greatly.
In sum, the utility model is by above-mentioned measure, improve jetting deashing intensity, increase the filter bag filter area of single filter bag chamber, increase the ash bucket volume, simplify ash-transmission system, thereby reduce the steel unit consumption (ratio of deduster rolled steel dosage and filter bag of dust collector filter area) of equipment, reduce investment outlay and occupation area of equipment, reduce operational and administrative expenses, improve the complete machine operating rate.Also adopt novel deduster inlet air flow deflector simultaneously, make the air-flow that enters the filter bag chamber more even, avoid the wearing and tearing of filter bag, reduce the resistance of deduster.
Description of drawings
Fig. 1 is the schematic top plan view of existing structure pulse bag type dust collector, and the layout of single pulse valve is shown.
Fig. 2 is the schematic top plan view of the utility model pulse bag type dust collector, double pulse valve is shown is arranged in both sides, filter bag chamber.
Fig. 3 is the schematic top plan view of the utility model pulse bag type dust collector, double pulse valve is shown is arranged in the middle of the filter bag chamber.
Fig. 4 is the A-A cutaway view among Fig. 2, and the facade structures (having the grid type deflector) of deduster is shown.
Fig. 5 is the A-A cutaway view of another structure among Fig. 2, and the facade structures of another structure (having the ramp type deflector) deduster is shown.
Code name explanation among the figure
1 exhaust duct, 2 ash buckets, 3 grid type deflectors filter bag chambers 4
The 5 board-like deflector 6 filter bags 7 intake stacks 8 winding-up pipes that incline
9 pulse valves
L deduster length B1 has deduster width B 2 the utility model deduster width now
The incline angle of plate and vertical direction of α
The specific embodiment
As Fig. 2,5 is a kind of structural representation of the present utility model, comprises filter bag chamber 4 and ash bucket 2, and filter bag 6 is housed in filter bag chamber 4, and each filter bag chamber 4 all is provided with an ash bucket 2, and total filter area of the filter bag 6 of each filter bag chamber 4 correspondence is 1000~6000 square metres.
Pulse valve 9 arrangements of each filter bag chamber are double layout.
As Fig. 5, ramp type deflector 5 is housed in the ash bucket 2, ramp type deflector 5 is arranged on a side relative with ash bucket 2 air inlets.The angle α of swash plate and vertical direction is between 0~30 degree.
The filter bag length that adopts is 6~9 meters.
The dischargeable capacity of described ash bucket 2 is 70 to 100 cubic metres.
Present embodiment is the deduster of Room 22 buckets, and each filter bag chamber 4 is provided with an ash bucket 2.Pulse valve 9 in each filter bag chamber 4 is arranged and is changed double layout (Fig. 2 or 3) into by common single layout (Fig. 1), 24 pulse valves are arranged in each filter bag chamber of deduster during pulse valve 9 single layouts (Fig. 1), adopt after the double layout (Fig. 2 or 3), 48 pulse valves are arranged in each filter bag chamber.The quantity of the pulse valve 9 that filter bag chamber 4 is arranged doubles, and the quantity of the filter bag 6 of filter bag chamber has also increased by one times.In the present embodiment, the filter bag length of each filter bag chamber is 7.5 meters, and the filter bag bore is 160 millimeters, and the total filter area of double filter bag of two filter bag chambers is 2500m 2In addition, pulse valve 9 double layouts (Fig. 2 or 3) are compared with single layout (Fig. 1), have increased by one times (becoming width B 2) on width B 1 direction, and integrally-built stability significantly strengthens, and has structure optimization, cut down the potentiality of rolled steel dosage.
Present embodiment improves the ash bucket in the deduster main body 2, and the dischargeable capacity of ash bucket is increased to 75 cubic metres, can substitute volume special-purpose ash-storing bin between 20~100 cubic metres fully.Big ash bucket can be collected the dust of single or multiple filter bags chamber, can be the taper ash bucket, also can be the ship shape ash bucket.In ash bucket 2 bottoms easy ash conveying device is set, the dust that ash bucket is collected can be delivered directly on automobile and other means of transports, and the drag conveyor in the conventional ash-transmission system, bucket elevator and special-purpose ash-storing bin can be cancelled.So not only reduce investment outlay, reduce operational and administrative expenses, also improved the complete machine operating rate of equipment.
Be illustrated in figure 4 as and adopt the pulse blowing bag type dust precipitator schematic diagram of air intake mode down, dusty gas enters into ash bucket 2 by intake stack 1, and the guide functions through grid type deflector 3 enters into filter bag chamber 4, filters through filter bag 6 again.It is that the side near the gas access is provided with one group of elongated high inclination-angle Turbogrid plates in ash bucket 2.The purpose that deflector is set in the ash bucket 2 is the direction that changes inlet air flow, makes it to be distributed to as far as possible equably in the filter bag chamber 4, avoids that the air-flow inequality causes the filter bag wearing and tearing in the filter bag chamber.By engineering verification, use grid type deflector 3, air-flow mainly passes through from the deflector bottom, and a near sidewall paneling relative with the inlet air flow direction air-flow velocity in filter bag chamber 4 is very big, and overall distribution is inhomogeneous, and is very big to the resistance of air-flow;
As Fig. 5, the utility model has adopted ramp type deflector 5 to replace grid type deflector 3, and ramp type deflector 5 is arranged on a side relative with inlet air flow of ash bucket 2, the local layout.It is made of the polylith swash plate, and swash plate is elongated on the direction of vertical inlet air flow, is connected with ash bucket 2 sidewalls.The angle α of swash plate and vertical direction is between 0~30 degree.The quantity of swash plate, spacing and angle of inclination are specifically determined according to the yardstick of inlet air flow speed and ash bucket.Research is learnt by experiment, behind employing the utility model ramp type deflector 5, and swash plate and airflow direction basically identical, very little to the air-flow inhibition, the filter bag indoor air flow is evenly distributed.
The relatively existing pulse blowing bag type dust precipitator of the utility model has carried out multinomial improvement, economy and technical side Face is with the obvious advantage, and promote rapidly in the smoke gas treatment field at home, successively at Baosteel, climb steel, holding steel etc., domestic each is big Tens of have been put into operation in steel mill, so far stable, respond well.

Claims (6)

1. improve the big chamber Large ash bucket pulse bag filter of jetting deashing intensity, comprise filter bag chamber and ash bucket, at the indoor filter bag that is equipped with of filter bag, it is characterized in that: each filter bag chamber all is provided with an ash bucket, and total filter area of the filter bag of each filter bag chamber correspondence is 1000~6000 square metres.
2. pulse bag type dust collector according to claim 1 is characterized in that: the pulse valve arrangement of each filter bag chamber is double layout, and pulse valve divides two rows to be arranged in the both sides of filter bag chamber, or is arranged in the centre of filter bag chamber.
3. pulse bag type dust collector according to claim 1 and 2 is characterized in that: the ramp type deflector is housed in the described ash bucket, and described ramp type deflector is arranged on a side relative with the ash bucket air inlet.
4. pulse bag type dust collector according to claim 3 is characterized in that: the angle of swash plate and vertical direction is between 0~30 degree.
5. pulse bag type dust collector according to claim 1 is characterized in that: described filter bag length is 6~9 meters.
6. pulse bag type dust collector according to claim 1 is characterized in that: the dischargeable capacity of described ash bucket is 70 to 100 cubic metres.
CNU2008200000904U 2008-01-03 2008-01-03 Big chamber big ash bucket bag-type dust remover with improved blowing ash removing strength Expired - Lifetime CN201164772Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200000904U CN201164772Y (en) 2008-01-03 2008-01-03 Big chamber big ash bucket bag-type dust remover with improved blowing ash removing strength

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200000904U CN201164772Y (en) 2008-01-03 2008-01-03 Big chamber big ash bucket bag-type dust remover with improved blowing ash removing strength

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Publication Number Publication Date
CN201164772Y true CN201164772Y (en) 2008-12-17

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102600671A (en) * 2012-03-28 2012-07-25 苏州宇洋环保设备制造有限公司 Dust collecting device of bag dust collector
CN102794057A (en) * 2011-05-26 2012-11-28 海宁洁宇环保设备有限公司 Technology for uniformly distributing fume flow in large bag-type dust collector
CN102861485A (en) * 2012-09-26 2013-01-09 江苏金陶环保工程有限公司 Pulse bag type dust collector of gas tank
CN104208955A (en) * 2013-05-29 2014-12-17 安徽威达环保科技股份有限公司 Deduster provided with underlying blowing system and capable of clearing away ashes offline without offline valve
CN105413332A (en) * 2015-11-25 2016-03-23 吕珩 Anti-abrasion bag type dust collector

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102794057A (en) * 2011-05-26 2012-11-28 海宁洁宇环保设备有限公司 Technology for uniformly distributing fume flow in large bag-type dust collector
CN102794057B (en) * 2011-05-26 2015-04-29 浙江洁宇环保装备科技有限公司 Technology for uniformly distributing fume flow in large bag-type dust collector
CN102600671A (en) * 2012-03-28 2012-07-25 苏州宇洋环保设备制造有限公司 Dust collecting device of bag dust collector
CN102861485A (en) * 2012-09-26 2013-01-09 江苏金陶环保工程有限公司 Pulse bag type dust collector of gas tank
CN104208955A (en) * 2013-05-29 2014-12-17 安徽威达环保科技股份有限公司 Deduster provided with underlying blowing system and capable of clearing away ashes offline without offline valve
CN105413332A (en) * 2015-11-25 2016-03-23 吕珩 Anti-abrasion bag type dust collector

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: MCC CENTRAL RESEARCH INSTITUTE OF BUILDING AND CON

Free format text: FORMER OWNER: MCC CENTRAL RESEARCH INSTITUTE OF BUILDING AND CONSTRUCTION CO., LTD.

Effective date: 20140211

CP01 Change in the name or title of a patent holder

Address after: 100088 Beijing city Haidian District Xitucheng Road No. 33

Patentee after: China Jingye Engineering Technology Co., Ltd.

Patentee after: MCC Central Research Institute of Building and Construction Co., Ltd.

Address before: 100088 Beijing city Haidian District Xitucheng Road No. 33

Patentee before: China Jingye Engineering Technology Co., Ltd.

Patentee before: Central Research Institute of Building and Construction, MCC Group

CP01 Change in the name or title of a patent holder
TR01 Transfer of patent right

Effective date of registration: 20140211

Address after: 100088 Beijing city Haidian District Xitucheng Road No. 33

Patentee after: China Jingye Engineering Technology Co., Ltd.

Patentee after: MCC Central Research Institute of Building and Construction Co., Ltd.

Patentee after: MCC Engineering Technology Co., Ltd.

Address before: 100088 Beijing city Haidian District Xitucheng Road No. 33

Patentee before: China Jingye Engineering Technology Co., Ltd.

Patentee before: MCC Central Research Institute of Building and Construction Co., Ltd.

TR01 Transfer of patent right
CX01 Expiry of patent term

Granted publication date: 20081217

CX01 Expiry of patent term