CN203030129U - Rotating pulse bag type dust collector for blast furnace gas - Google Patents
Rotating pulse bag type dust collector for blast furnace gas Download PDFInfo
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- CN203030129U CN203030129U CN 201220722204 CN201220722204U CN203030129U CN 203030129 U CN203030129 U CN 203030129U CN 201220722204 CN201220722204 CN 201220722204 CN 201220722204 U CN201220722204 U CN 201220722204U CN 203030129 U CN203030129 U CN 203030129U
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- pulse
- bag
- gas
- filter bag
- blast furnace
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Abstract
The utility model relates to a rotating pulse bag type dust collector for blast furnace gas. The technical scheme is that an upper barrel is provided with a diffusing pipe joint and a clean gas outlet, a middle barrel is provided with a crude gas inlet, and a lower barrel is provided with a nitrogen unblocking device, a bag taking device, a nitrogen filling pipe, a dust discharging port and a heating device. A floral plate is arranged in the upper barrel, filter bag holes are densely distributed on the floral plate, a filter bag is installed below the filter bag holes, and a blowing device is installed on the upper portion of the floral plate. A pulse air bag support and a pulse air bag are sequentially installed at the top of the upper barrel, a twisted-pair wire pulse air flow output pipe is arranged in the pulse air bag, one end of the twisted-pair wire pulse air flow output pipe is connected with a pulse valve, and the other end of the twisted-pair wire pulse air flow output pipe penetrates through the pulse air bag and the pulse air bag support, extends into the upper barrel and is fixed with a first positioning device. The rotating pulse bag type dust collector is simple in structure, dust removal work can be finished through one pulse valve only, dedusting efficiency is improved, and the number of the dust collector barrels is reduced simultaneously under the same process.
Description
Technical field
The invention belongs to pulse bag-type dust-removing device technique field.
Background technology
Be applicable to the normal temperature in metallurgy, chemical industry and other fields and the pipe draining spray pulse bag type dust collector of high temperature dust gas cleaning and particulate dust recovery at present, structure is very complicated, pulse valve designs with man-to-man form with the winding-up pipe, pulse valve quantity is many, consumable accessory is many, and the manufacturing of equipment and maintenance all exist problems.In addition, also have two kinds of comparatively novel sack cleaners, a kind of by driven by motor rotating shaft rotation, filter bag is turned round jetting deashing.Another kind of by cylinder driven rotary device, filter bag is turned round jetting deashing.More than two kinds of dedusters winding-up pipes to arrange the form design of filter bag one to one, the number of times school that rotates under the identical process conditions is many, the filter bag on the unit are arranges that quantity is few.Therefore say that used deduster structure still haves much room for improvement at present.
Summary of the invention
The purpose of the invention provides a kind of simple in structure, has the pulse bag type dust collector of the positioner of jetting, to improve the weak point of existing equipment.
The technical scheme that the invention is adopted is: the rotary pulsed sack cleaner of blast furnace gas, and upper shell, middle cylinder body and lower shell constitute integrative-structure, and upper shell is provided with exhaust stack interface and purified gas outlet; Middle cylinder body is provided with the raw coke oven gas import; Lower shell is provided with nitrogen block clearing device, bag taking device, nitrogen blanketing valve, cinder-discharging port and heater.
Be provided with card in upper shell, a filter bag is installed in the filter bag hole of gathering on the card under each filter bag hole, and a cover blowing device is installed on the top of card, and the positioner I is fixed on the center of card; The outside corresponding card of upper shell place is provided with differential pressure transmitter.
At the top of upper shell pulse gas bag support and pulse gas bag are installed successively, the pulse gas bag is provided with pulse valve and pressure transmitter, be provided with twisted-pair cable air pulse efferent duct in the pulse gas bag, twisted-pair cable air pulse efferent duct one end is connected with pulse valve, the other end passes pulse gas bag and pulse gas bag support, stretch in the upper shell, fix with the positioner I, twisted-pair cable air pulse efferent duct between upper shell and pulse gas bag is provided with pneumatic ball valve, sealing device I, positioner II and sealing device II, and the positioner I is connected with pneumatic rotary device.
The two ends of tiltedly trying to stop people from fighting each other connect blowing device and twisted-pair cable air pulse efferent duct, and part flow arrangement is with blowing device and turn round the connection of line air pulse efferent duct.
The rotary pulsed sack cleaner of above-mentioned blast furnace gas, described blowing device is made of some winding-up pipes, and the winding-up mouth of winding-up pipe is corresponding with the filter bag hole on the card, and the winding-up pipe is communicated with part flow arrangement.
The rotary pulsed sack cleaner of above-mentioned blast furnace gas, the porch of raw coke oven gas import is provided with the raw coke oven gas distribution apparatus.
The rotary pulsed sack cleaner of above-mentioned blast furnace gas, the filter bag hole on the card are oval.
The rotary pulsed sack cleaner of above-mentioned blast furnace gas respectively is provided with cover explosion venting valve and a manhole on upper shell and the middle cylinder body.
The rotary pulsed sack cleaner of above-mentioned blast furnace gas, cylindrical shell outside are provided with filter bag room temperature transmitter, and lower shell is provided with the ash bucket temperature transmitter.
The beneficial effect of the invention is:
1, simple in structure, reasonable in design, a pulse valve only is set can finishes deashing work.Arranging of filter bag is not subjected to the restriction of pulse valve appearance and size, and under the equal area, fan-shaped winding-up pipe is rotary pulsed to increase 10% than common rotation sack cleaner filter area.Increase 30% than pulse tube row spray pulse bag type dust collector filter area.One-time investment is few, and operating cost is low, and is easy to maintenance, but and paired pulses valve duty carry out remote monitoring.
2, single winding-up pipe is fan-shaped, arranges mutually to be star structure, and single winding-up pipe can cover many row's filter bags, has saved floor space greatly.
3, ellipsoidal structure is adopted in the filter bag of dust collector hole, easy for installation, overcome round bag to the high requirement of winding-up mouthful relative positional accuracy and the leakage problem between filter bag and card, not only improved efficiency of dust collection, reduced the quantity of deduster cylindrical shell under the same process simultaneously.
Used nitrogen when 4, the pulse gas bag in the invention be used for to store deashing.Pneumatic ball valve is to cut off nitrogen for when maintenance to be connected with coal gas, overhauls under the deduster normal operation guaranteeing.The positioner I is concentric in order to guarantee each rotary part vertical direction.
Description of drawings
Fig. 1 is the structural representation of the invention.
Fig. 2 is the structural representation of card and blowing device.
The specific embodiment
As depicted in figs. 1 and 2, the rotary pulsed sack cleaner of blast furnace gas: upper shell (10), middle cylinder body (20) and lower shell (21) are welded to each other the formation integrative-structure.
Upper shell (10) is provided with exhaust stack interface (25) and purified gas outlet (26); Middle cylinder body (20) is provided with raw coke oven gas import (29), and the porch of raw coke oven gas import (29) is provided with raw coke oven gas distribution apparatus (28); Lower shell (21) is provided with nitrogen block clearing device (22), bag taking device (23), nitrogen blanketing valve (24), cinder-discharging port (32) and heater (31).
In upper shell (10), card (16) is circular, be directly welded on the upper shell inwall, card (16) is gone up the filter bag hole (16-1) of gathering, filter bag hole (16-1) is oval, a filter bag (17) is installed under each filter bag hole, a cover blowing device (14) is installed on the top of card (16).Blowing device (14) is made up of 3 winding-up pipes (14-1), single winding-up pipe is fan-shaped, arranging mutually is star structure, and the winding-up mouth of winding-up pipe (14-1) is corresponding with the filter bag hole on the card (16), and winding-up pipe (14-1) is communicated with part flow arrangement (12).Positioner I (13) is fixed on the center of card (16); The outside corresponding card of upper shell (10) (16) locates to be provided with differential pressure transmitter (15).
Pulse gas bag support (5) and pulse gas bag (2) are installed successively at the top of upper shell (10), pulse gas bag (2) is provided with pulse valve (1) and pressure transmitter (3), be provided with twisted-pair cable air pulse efferent duct (4) in the pulse gas bag (2), twisted-pair cable air pulse efferent duct (4) one ends and pulse valve (1), the other end passes pulse gas bag (2) and pulse gas bag support (5), stretch in the upper shell (10), fixing with positioner I (13), twisted-pair cable air pulse efferent duct (4) between upper shell (10) and pulse gas bag (2) is provided with pneumatic ball valve (6), sealing device I (7), positioner II (33) and sealing device II (9), positioner I (33) is connected with pneumatic rotary device (8).
Tiltedly the try to stop people from fighting each other two ends of (11) are connected blowing device (14) and twisted-pair cable air pulse efferent duct (4) by journal stirrup with eyelet bolt, part flow arrangement (12) is with blowing device (14) and turn round line air pulse efferent duct (4) connection.
The rotary pulsed sack cleaner of above-mentioned blast furnace gas respectively is provided with cover explosion venting valve (27) and a manhole (19) on upper shell (10) and the middle cylinder body (20).
The rotary pulsed sack cleaner of above-mentioned blast furnace gas, middle cylinder body (20) outside is provided with filter bag room temperature transmitter (18), and lower shell (21) is provided with ash bucket temperature transmitter (30).
The operation principle of the invention is: in actual job, be responsible for the raw coke oven gas of sending here by raw coke oven gas, enter in the deduster through raw coke oven gas import (29), after machinery separates, raw coke oven gas is operation upwards, filters through filter bag, and the fine dust in the raw coke oven gas is attached to the filter bag outer surface, purified gas is pooled to upper shell by filter bag, uses by purified gas outlet output then.After operation a period of time, the filter bag surface dust is cumulative, and dust remover resistance rises, and when resistance rose to certain value, differential pressure transmitter (15) sent the deashing signal, and the pulse jet system starts working.At first close exit butterfly valve, pneumatic rotary device (8) drives positioner II (33) and twisted-pair cable air pulse efferent duct (4) rotation, thereby drive the blowing device rotation, the rotation of winding-up pipe, after arriving assigned address, positioner II (33) is accurately located, and guarantees the winding-up pipe under static state, winding-up mouth and center, filter bag hole (16-1) on the winding-up pipe align, and pulse valve is opened.Nitrogen enters twisted-pair cable air pulse efferent duct from pulse gas bag output through pulse valve, sprays nitrogen through the winding-up mouth of part flow arrangement by the winding-up pipe in filter bag again.By the expulsion pressure of nitrogen, the dust of filter bag outer surface is impacted.After finishing filter bag ash removal, pneumatic rotary device (8) continue to promote the blowing device rotation, arrive next assigned address after, positioner II (33) is accurately located again, again the filter bag in this scope is carried out deashing then.Carry out repeatedly, up to whole filter bag ash removals are finished.The dust that is fallen clearly falls into lower shell, discharges from cinder-discharging port again.After deashing finished, rotating pulse spraying equipment quit work, and the outlet stool butterfly valve is opened.Deduster enters the normal filtration state.The utility model is simple in structure, and is reasonable in design.Owing to adopt rotating pulse spraying equipment, make whole deduster that a pulse valve need only be set and to finish the deashing operation.In addition, because the winding-up pipe is sector structure, a winding-up pipe can cover many row's filter bags, the quantity of filter bag increases 8-10% than existing version in the deduster body of identical appearance, not only reduced the number of times of rotary blowing, having reduced floor space simultaneously is a kind of very good sack cleaner.
Claims (6)
1. the rotary pulsed sack cleaner of blast furnace gas is characterized in that: upper shell (10), middle cylinder body (20) and lower shell (21) constitute integrative-structure, and upper shell (10) is provided with exhaust stack interface (25) and purified gas exports (26); Middle cylinder body (20) is provided with raw coke oven gas import (29); Lower shell (21) is provided with nitrogen block clearing device (22), bag taking device (23), nitrogen blanketing valve (24), cinder-discharging port (32) and heater (31);
In upper shell (10), be provided with card (16), card (16) is gone up the filter bag hole (16-1) of gathering, a filter bag (17) is installed under each filter bag hole, a cover blowing device (14) is installed on the top of card (16), positioner I (13) is fixed on the center of card (16); The outside corresponding card of upper shell (10) (16) locates to be provided with differential pressure transmitter (15);
Pulse gas bag support (5) and pulse gas bag (2) are installed successively at the top of upper shell (10), pulse gas bag (2) is provided with pulse valve (1) and pressure transmitter (3), be provided with twisted-pair cable air pulse efferent duct (4) in the pulse gas bag (2), twisted-pair cable air pulse efferent duct (4) one ends and pulse valve (1), the other end passes pulse gas bag (2) and pulse gas bag support (5), stretch in the upper shell (10), fixing with positioner I (13), twisted-pair cable air pulse efferent duct (4) between upper shell (10) and pulse gas bag (2) is provided with pneumatic ball valve (6), sealing device I (7), positioner II (33) and sealing device II (9), positioner I (33) is connected with pneumatic rotary device (8);
Tiltedly the try to stop people from fighting each other two ends of (11) connect blowing devices (14) and twisted-pair cable air pulse efferent duct (4), and part flow arrangement (12) is with blowing device (14) and turn round line air pulse efferent duct (4) connection.
2. the rotary pulsed sack cleaner of blast furnace gas as claimed in claim 1, it is characterized in that: described blowing device (14) is made of some winding-up pipes (14-1), the winding-up mouth of winding-up pipe (14-1) is corresponding with the filter bag hole on the card (16), and winding-up pipe (14-1) is communicated with part flow arrangement (12).
3. the rotary pulsed sack cleaner of blast furnace gas as claimed in claim 1, it is characterized in that: the porch of raw coke oven gas import (29) is provided with raw coke oven gas distribution apparatus (28).
4. the rotary pulsed sack cleaner of blast furnace gas as claimed in claim 1 is characterized in that: the filter bag hole (16-1) on the card (16) is for oval.
5. as claim 1,2, the rotary pulsed sack cleaner of 3 or 4 described blast furnace gases, it is characterized in that: respectively be provided with cover explosion venting valve (27) and a manhole (19) on upper shell (10) and the middle cylinder body (20).
6. the rotary pulsed sack cleaner of blast furnace gas as claimed in claim 5, it is characterized in that: middle cylinder body (20) outside is provided with filter bag room temperature transmitter (18), and lower shell (21) is provided with ash bucket temperature transmitter (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722204 CN203030129U (en) | 2012-12-25 | 2012-12-25 | Rotating pulse bag type dust collector for blast furnace gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722204 CN203030129U (en) | 2012-12-25 | 2012-12-25 | Rotating pulse bag type dust collector for blast furnace gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203030129U true CN203030129U (en) | 2013-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220722204 Expired - Lifetime CN203030129U (en) | 2012-12-25 | 2012-12-25 | Rotating pulse bag type dust collector for blast furnace gas |
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| CN (1) | CN203030129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974172A (en) * | 2012-12-25 | 2013-03-20 | 辽宁环宇环保技术有限公司 | Rotary pulse bag type dust remover for blast furnace gas |
-
2012
- 2012-12-25 CN CN 201220722204 patent/CN203030129U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974172A (en) * | 2012-12-25 | 2013-03-20 | 辽宁环宇环保技术有限公司 | Rotary pulse bag type dust remover for blast furnace gas |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 115100 South Outer Ring Development Zone, Yingkou, Liaoning, Dashiqiao Patentee after: Liaoning Huanyu Environmental Protection Technology Co.,Ltd. Address before: 115100 Dashiqiao Yingkou Liaoning City Development Zone Patentee before: LIAONING HUANYU ENVIRONMENTAL PROTECTION TECHNIQUE Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130703 |
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| CX01 | Expiry of patent term |