CN103357232A - Electrostatic fabric filter with complete offline function - Google Patents

Electrostatic fabric filter with complete offline function Download PDF

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Publication number
CN103357232A
CN103357232A CN2013102485036A CN201310248503A CN103357232A CN 103357232 A CN103357232 A CN 103357232A CN 2013102485036 A CN2013102485036 A CN 2013102485036A CN 201310248503 A CN201310248503 A CN 201310248503A CN 103357232 A CN103357232 A CN 103357232A
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CN
China
Prior art keywords
electric
middle casing
air
offline
dust collector
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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.)
Pending
Application number
CN2013102485036A
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Chinese (zh)
Inventor
沈卫东
刘立平
吴斌
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Jiangsu Yijin Environmental Protection Technology Co ltd
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Jiangsu Yijin Environmental Protection Technology Co ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Jiangsu Yijin Environmental Protection Technology Co ltd filed Critical Jiangsu Yijin Environmental Protection Technology Co ltd
Priority to CN2013102485036A priority Critical patent/CN103357232A/en
Publication of CN103357232A publication Critical patent/CN103357232A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an electrostatic fabric filter with a complete offline function. The electrostatic fabric filter comprises a middle box body, wherein an air inlet is formed in the middle box body which is internally provided with a plurality of electric precipitation and dust collection plates and a plurality of filtering bags; an offline bucket is connected on the lower side of each filtering bag; a switching valve is arranged below each offline bucket; pure air chambers communicated with the corresponding filtering bags are arranged above the middle box body; the upper end parts of the pure air chambers are communicated with an air outlet flue; offline devices are respectively arranged between the air outlet flue and the corresponding pure air chambers; a plurality of ash collection buckets communicated with the middle box body are arranged below the middle box body; the middle box body is internally provided with the offline buckets corresponding to the pure air chambers and the switching valves below the offline buckets are used for carrying out offline on the independent offline bucket; the upper parts of the pure air chambers are subjected to offline through the corresponding offline devices so that an independent whole cabin is separated from the whole system; the cabin is subjected to overhauling operation and the normal operation of other cabins is not influenced.

Description

A kind of electric-bag complex dust collector that possesses complete offline functionality
Technical field
The present invention relates to a kind of electric-bag complex dust collector that possesses complete offline functionality.
Background technology
Deduster upper box access door of the prior art as shown in Figure 1, comprise middle casing 1, offer horizontally disposed air inlet 2 on the described middle casing, evenly be provided with some electric precipitation collecting plates 3 along the air intake direction in the described middle casing 1, be provided with some filter bags 4 in the described middle casing 1, described electric precipitation collecting plate 3 is between described air inlet 2 and described filter bag 4, the top of described middle casing 1 is provided with the air-purifying chamber 5 that some and corresponding described filter bag 4 is connected, the upper end of some described air-purifying chambers 5 all is connected with air-out flue 6, be respectively arranged with off-line equipment 7 between described air-out flue 6 and the corresponding described air-purifying chamber 5, the below of described middle casing 1 is provided with the flue-dust retainer 8 that some and described middle casing 1 is connected, adopt said structure, the Shortcomings part is, because middle casing 1 is open type, when wherein certain bin need to carry out off-line maintenance, as changing filter bag 4 etc., can affect the normal operation of other bins.
Summary of the invention
The object of the invention is to overcome the defective that exists in the prior art, a kind of electric-bag complex dust collector that possesses complete offline functionality is provided, realize the single bin off-line maintenance operation under the electric-bag complex dust collector running status.
For achieving the above object, technical scheme of the present invention has provided a kind of electric-bag complex dust collector that possesses complete offline functionality, comprise middle casing, offer horizontally disposed air inlet on the described middle casing, evenly be provided with some electric precipitation collecting plates along the air intake direction in the described middle casing, be provided with some filter bags in the described middle casing, described electric precipitation collecting plate is between described air inlet and described filter bag, the below of each described filter bag is connected with the off-line bucket, the below of described off-line bucket is provided with controlled valve, the top of described middle casing is provided with the air-purifying chamber that some and corresponding described filter bag is connected, the upper end of some described air-purifying chambers all is connected with the air-out flue, be respectively arranged with off-line equipment between described air-out flue and the corresponding described air-purifying chamber, the below of described middle casing is provided with the flue-dust retainer that some and described middle casing is connected.
As preferably, be provided with homogenizing plate between described air inlet and the described electric precipitation collecting plate, by being set, homogenizing plate so that the processing distribution of gas that enters from air inlet is even, enlarges the contact area of itself and electric precipitation collecting plate.
As preferably, described homogenizing plate comprises the first homogenizing plate and the second homogenizing plate that sets gradually along the air intake direction, the length of described the first homogenizing plate is less than the length of described the second homogenizing plate, the center line of described the first homogenizing plate, described the second homogenizing plate, described air inlet coincides, shunt by two-layer homogenizing plate, improve the current-sharing effect.
As preferably, described middle casing has tapered portion, and described air inlet is opened in the tip of described tapered portion, and described homogenizing plate is positioned at described tapered portion.
As preferably, the top of described filter bag is provided be used to the injection system of removing the dust in the described filter bag, by injection system the dust in the filter bag is purged, and prevents that filter bag is blocked, prolongs the service life of filter bag.
As preferably, described injection system comprises the ventilation duct that is positioned at described filter bag top, offer some downward opening winding-ups mouths on the described ventilation duct, one section sealing of described ventilation duct, the other end of described ventilation duct is connected with compressed gas source, when opening injection system, Compressed Gas is entered in the ventilation duct by compressed gas source, by a winding-up mouthful ejection filter bag is purged again.
As preferably, described off-line equipment comprises the opening that is opened in described air-purifying chamber top, slide up and down and be arranged in the described air-out flue and the closure plate that matches with described opening, be fixedly installed the cylinder body that drives cylinder on the described air-out flue, the piston rod of described driving cylinder and described closure plate are fixedly connected, slide up and down by driving the air cylinder driven closure plate, then can or open with corresponding opening closure, realize unlatching and the off-line on air-purifying chamber top.
As preferably, described off-line bucket is the gradually little taper of gradual change from top to bottom.
As preferably, described flue-dust retainer is the gradually little taper of gradual change from top to bottom.
As preferably, the below of described middle casing is fixedly connected with some feets, and the length of described feet is greater than the length of described flue-dust retainer.
Advantage of the present invention is with beneficial effect: by the off-line bucket corresponding with corresponding air-purifying chamber is set in middle casing, controlled valve by off-line bucket below carries out off-line to independent off-line bucket, off-line is carried out by corresponding off-line equipment in the top of air-purifying chamber, thereby so that independent whole bin is separated from whole system, it is carried out inspection operation, and do not affect the normal operation of other bin.
Description of drawings
Fig. 1 is the schematic diagram of prior art electric-bag complex dust collector;
Fig. 2 is front view of the present invention;
Fig. 3 is side view of the present invention.
Among the figure: 1, middle casing; 2, air inlet; 3, electric precipitation collecting plate; 4, filter bag; 5, air-purifying chamber; 6, air-out flue; 7, off-line equipment; 8, flue-dust retainer; 9, off-line bucket; 10, controlled valve; 11, homogenizing plate; 12, injection system; 13, feet.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples only are used for technical scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
Such as Fig. 2-shown in Figure 3, a kind of electric-bag complex dust collector that possesses complete offline functionality, comprise middle casing 1, offer horizontally disposed air inlet 2 on the middle casing 1, evenly be provided with seven electric precipitation collecting plates 3 along the air intake direction in the middle casing 1, be provided with eight filter bags 4 in the middle casing 1, electric precipitation collecting plate 3 is between air inlet 2 and filter bag 4, the below of each filter bag 4 is connected with off-line bucket 9, off-line bucket 9 is the gradually little taper of gradual change from top to bottom, the below of off-line bucket 9 is provided with controlled valve 10, the top of middle casing 1 is provided with eight air-purifying chambers 5 that are connected with corresponding filter bag 4, the upper end of eight air-purifying chambers 5 all is connected with air-out flue 6, be respectively arranged with off-line equipment 7 between air-out flue 6 and the corresponding air-purifying chamber 5, the below of middle casing 1 is provided with six flue-dust retainers 8 that are connected with middle casing 1, flue-dust retainer 8 is the gradually little taper of gradual change from top to bottom, be provided with homogenizing plate 11 between air inlet 2 and the electric precipitation collecting plate 3, homogenizing plate 11 comprises the first homogenizing plate 11 and the second homogenizing plate 11 that sets gradually along the air intake direction, the length of the first homogenizing plate 11 is less than the length of the second homogenizing plate 11, the first homogenizing plate 11, the second homogenizing plate 11, the center line of air inlet 2 coincides.
As shown in Figure 2, middle casing 1 has tapered portion, and air inlet 2 is opened in the tip of tapered portion, and homogenizing plate 11 is positioned at tapered portion.
As shown in Figure 3, the top of filter bag 4 is provided with for the injection system 12 of removing the dust in the filter bag 4, and injection system 12 comprises the ventilation duct that is positioned at filter bag 4 tops, offers some downward opening winding-ups mouths on the ventilation duct, one section sealing of ventilation duct, the other end of ventilation duct is connected with compressed gas source.
As shown in Figure 2, off-line equipment 7 comprises the opening that is opened in air-purifying chamber 5 tops, slide up and down and be arranged in the air-out flue 6 and the closure plate that matches with opening, be fixedly installed the cylinder body that drives cylinder on the air-out flue 6, the piston rod and the closure plate that drive cylinder are fixedly connected.
Such as Fig. 2-shown in Figure 3, the below of middle casing 1 is fixedly connected with some feets 13, and the length of feet 13 is greater than the length of flue-dust retainer 8.
The course of work of the present invention: ash-laden gas enters from air inlet 2 under the effect of negative pressure, through after homogenizing plate 11 current-sharings of air inlet 2, enter the positive plate zone of electric precipitation collecting plate 3, grit under the effect of electric field by charged, move accumulation to negative and positive the two poles of the earth respectively, this process is called pre-dedusting, can clear up oarse-grained grit, flue gas through pre-dedusting enters off-line bucket 9 from 9 times controlled valves 10 of off-line bucket, then diffusion motion upwards, through filter bag 4 filtration zones, the clean gas after the filtration enters top air-purifying chamber 5, then enter air-out flue 6 through off-line equipment 7, be discharged in the atmosphere by chimney, each bin corresponding independently off-line bucket 9 and an opening/shutting valve up and down thereof can guarantee the urgent off-line maintenance of independent bin under special status, comprise and change filter bag 4 operations such as grade, and do not affect the operation of other filter bag 4 bins.
The direction of arrow represents the smoke gas flow traffic direction among Fig. 1-Fig. 3.
The above only is preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (10)

1. electric-bag complex dust collector that possesses complete offline functionality, it is characterized in that: comprise middle casing, offer horizontally disposed air inlet on the described middle casing, evenly be provided with some electric precipitation collecting plates along the air intake direction in the described middle casing, be provided with some filter bags in the described middle casing, described electric precipitation collecting plate is between described air inlet and described filter bag, the below of each described filter bag is connected with the off-line bucket, the below of described off-line bucket is provided with controlled valve, the top of described middle casing is provided with the air-purifying chamber that some and corresponding described filter bag is connected, the upper end of some described air-purifying chambers all is connected with the air-out flue, be respectively arranged with off-line equipment between described air-out flue and the corresponding described air-purifying chamber, the below of described middle casing is provided with the flue-dust retainer that some and described middle casing is connected.
2. the electric-bag complex dust collector that possesses complete offline functionality as claimed in claim 1 is characterized in that: be provided with homogenizing plate between described air inlet and the described electric precipitation collecting plate.
3. the electric-bag complex dust collector that possesses complete offline functionality as claimed in claim 2, it is characterized in that: described homogenizing plate comprises the first homogenizing plate and the second homogenizing plate that sets gradually along the air intake direction, the length of described the first homogenizing plate is less than the length of described the second homogenizing plate, and the center line of described the first homogenizing plate, described the second homogenizing plate, described air inlet coincides.
4. the electric-bag complex dust collector that possesses complete offline functionality as claimed in claim 2, it is characterized in that: described middle casing has tapered portion, and described air inlet is opened in the tip of described tapered portion, and described homogenizing plate is positioned at described tapered portion.
5. the electric-bag complex dust collector that possesses complete offline functionality as claimed in claim 1, it is characterized in that: the top of described filter bag is provided be used to the injection system of removing the dust in the described filter bag.
6. the electric-bag complex dust collector that possesses complete offline functionality as claimed in claim 5, it is characterized in that: described injection system comprises the ventilation duct that is positioned at described filter bag top, offer some downward opening winding-ups mouths on the described ventilation duct, one section sealing of described ventilation duct, the other end of described ventilation duct is connected with compressed gas source.
7. the electric-bag complex dust collector that possesses complete offline functionality as claimed in claim 1, it is characterized in that: described off-line equipment comprises the opening that is opened in described air-purifying chamber top, slide up and down and be arranged in the described air-out flue and the closure plate that matches with described opening, be fixedly installed the cylinder body that drives cylinder on the described air-out flue, the piston rod of described driving cylinder and described closure plate are fixedly connected.
8. the electric-bag complex dust collector that possesses complete offline functionality as claimed in claim 1, it is characterized in that: described off-line bucket is the gradually little taper of gradual change from top to bottom.
9. the electric-bag complex dust collector that possesses complete offline functionality as claimed in claim 1, it is characterized in that: described flue-dust retainer is the gradually little taper of gradual change from top to bottom.
10. the electric-bag complex dust collector that possesses complete offline functionality as claimed in claim 1, it is characterized in that: the below of described middle casing is fixedly connected with some feets, and the length of described feet is greater than the length of described flue-dust retainer.
CN2013102485036A 2013-06-20 2013-06-20 Electrostatic fabric filter with complete offline function Pending CN103357232A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013102485036A CN103357232A (en) 2013-06-20 2013-06-20 Electrostatic fabric filter with complete offline function

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Application Number Priority Date Filing Date Title
CN2013102485036A CN103357232A (en) 2013-06-20 2013-06-20 Electrostatic fabric filter with complete offline function

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107591690A (en) * 2017-09-11 2018-01-16 江苏银佳企业集团有限公司 A kind of ventilation type switch cubicle
CN110487695A (en) * 2019-07-08 2019-11-22 佛山市顺德区阿波罗环保器材有限公司 Strainability detection system of fume filtering element

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005125234A (en) * 2003-10-23 2005-05-19 Sumitomo Osaka Cement Co Ltd Dust collecting apparatus and dust collecting method of cement production facility
CN101028576A (en) * 2006-12-26 2007-09-05 云南银发环保集团股份有限公司 Assembled electric bag dust collector
CN201235265Y (en) * 2008-06-18 2009-05-13 天洁集团有限公司 High-efficiency electric bag dust collector
CN202638202U (en) * 2012-02-15 2013-01-02 辽宁环星电除尘设备制造有限公司 Horizontal electric-bag composite dust-collector
CN203389484U (en) * 2013-06-20 2014-01-15 江苏亿金环保科技股份有限公司 Electric bag compound dust collector with complete offline function

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005125234A (en) * 2003-10-23 2005-05-19 Sumitomo Osaka Cement Co Ltd Dust collecting apparatus and dust collecting method of cement production facility
CN101028576A (en) * 2006-12-26 2007-09-05 云南银发环保集团股份有限公司 Assembled electric bag dust collector
CN201235265Y (en) * 2008-06-18 2009-05-13 天洁集团有限公司 High-efficiency electric bag dust collector
CN202638202U (en) * 2012-02-15 2013-01-02 辽宁环星电除尘设备制造有限公司 Horizontal electric-bag composite dust-collector
CN203389484U (en) * 2013-06-20 2014-01-15 江苏亿金环保科技股份有限公司 Electric bag compound dust collector with complete offline function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107591690A (en) * 2017-09-11 2018-01-16 江苏银佳企业集团有限公司 A kind of ventilation type switch cubicle
CN107591690B (en) * 2017-09-11 2023-09-12 江苏银佳企业集团有限公司 Ventilated switch cabinet
CN110487695A (en) * 2019-07-08 2019-11-22 佛山市顺德区阿波罗环保器材有限公司 Strainability detection system of fume filtering element
CN110487695B (en) * 2019-07-08 2023-01-31 佛山市顺德区阿波罗环保器材有限公司 Oil smoke filter core primary filtration performance detecting system

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Application publication date: 20131023