CN105597455A - Device and method for disposing dust bin blockage of blast-furnace gas bag-type dust remover - Google Patents
Device and method for disposing dust bin blockage of blast-furnace gas bag-type dust remover Download PDFInfo
- Publication number
- CN105597455A CN105597455A CN201610132223.2A CN201610132223A CN105597455A CN 105597455 A CN105597455 A CN 105597455A CN 201610132223 A CN201610132223 A CN 201610132223A CN 105597455 A CN105597455 A CN 105597455A
- Authority
- CN
- China
- Prior art keywords
- intermediate bin
- nitrogen
- ash silo
- ball valve
- bin
- Prior art date
- 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.)
- Granted
Links
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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/06—Making pig-iron in the blast furnace using top gas in the blast furnace process
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/22—Dust arresters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Blast Furnaces (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides a device and method for disposing dust bin blockage of a blast-furnace gas bag-type dust remover and belongs to the technical field of blast-furnace gas dust removal devices and methods. The device is used for disposing dust bin blockage of the blast-furnace gas bag-type dust remover. According to the technical scheme, holes are formed in the bin walls of the lower-portion gas dust storage positions of an upper dust bin and a middle bin respectively, the hole-formed positions are connected with an upper dust bin nitrogen gas stirring pipe and a middle bin nitrogen gas stirring pipe respectively, and the upper dust bin nitrogen gas stirring pipe and the middle bin nitrogen gas stirring pipe are connected with a main nitrogen gas pipe through pipes. When blockage of the middle bin or the upper dust bin is found, the upper dust bin nitrogen gas stirring pipe and the middle bin nitrogen gas stirring pipe are opened, gas dust adhered to the dust bin is impacted and stirred by utilizing nitrogen gas, and the gas dust with larger viscosity is smoothly discharged out. The device has the advantages of being simple in structure, low in cost and convenient to operate, and the method can ensure smooth dust discharge of the blast-furnace gas bag-type dust remover, keep normal operation of the blast-furnace gas bag-type dust remover and avoid the influence on production of dust remover failures.
Description
Technical field
The present invention relates to blast furnace gas cloth bag dedusting device ash silo to stop up the device and method of processing, belong to dedusting of blast furnace gas equipment and dust collection method technical field.
Background technology
Blast furnace will produce raw coke oven gas in ironmaking processes, and blast furnace generally adopts dry bag-type dedusting to raw coke oven gas, and blast furnace raw gas enters tedge, down-comer, raw coke oven gas pipeline until cloth bag casing from furnace roof. Dry bag-type dedusting general technology process is as follows: the gas ash in raw coke oven gas is attached on cloth bag by the antiplastering of cloth bag institute in cloth bag casing, and through regularly nitrogen blowback operation, gas ash falls into the upper ash silo below cloth bag in casing. When casing is put ash, open the upper ball valve of ash silo below, gas ash falls into intermediate bin, close upper ball valve, open the lower clock valve of intermediate bin below, start batcher, gas ash in intermediate bin falls into embedded scraper transporter, and gas ash is delivered to elevator through burying scraper, then is promoted to high-order ash-storing bin. Open to high-order ash-storing bin lower time when the automobile of roping gas ash, start the wetting stirrer under ash-storing bin, gas ash falls into automobile container after adding wet process, and automobile draws tarpaulin on full gas ash bonnet, and gas ash is transported outward.
Due to the reason such as moisture fluctuation and climate change of blast furnace crude fuel used, blast furnace raw gas water content has larger fluctuation, and in the time that blast furnace roof temperature is lower, raw gas temperature is also lower, raw gas temperature in cloth bag casing is during lower than dew point, and mechanical water appears in the gas ash in upper ash silo. In the time putting ash manipulation, even if the gas ash that contains mechanical water, in the situation that starting hopper wall vibrator, is also difficult to fall smoothly, cause dust to stop up, to put ash not smooth. Also there is gas ash bonding in intermediate bin, puts the not smooth situation of ash.
Up to now, the problem that cloth bag casing ash silo is stopped up is never solved effectively, become blast furnace raw gas gas ash process in hard nut to crack, even because of sack cleaner dust discharge fault effects produce carry out smoothly, be extremely necessary to take measures to solve.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of device and method that blast furnace gas cloth bag dedusting device ash silo is stopped up of processing, the apparatus and method that this treatment cloth bag dust collector ash silo is stopped up can make the gas ash of bonding in ash silo become flexible and decompose, gas ash larger viscosity is discharged smoothly, ensure that the ash discharge of blast furnace gas cloth bag dedusting device is smooth and easy, keep the normal operation of blast furnace gas cloth bag dedusting device, avoid because deduster fault is on the impact of producing.
The technical scheme solving the problems of the technologies described above is:
A kind of device of processing the obstruction of blast furnace gas cloth bag dedusting device ash silo, it comprises ash silo nitrogen-burst agitation pipe, intermediate bin nitrogen-burst agitation pipe, metal hose, nitrogen arm, on the bulkhead at the bottom memory gas ash position of upper ash silo and intermediate bin, there is respectively perforate, upper ash silo nitrogen-burst agitation pipe, the front end of intermediate bin nitrogen-burst agitation pipe is connected with the perforate on intermediate bin bulkhead with upper ash silo respectively, upper ash silo nitrogen-burst agitation pipe, the rear end of intermediate bin nitrogen-burst agitation pipe is connected with nitrogen arm by metal hose respectively, nitrogen arm is connected with nitrogen header pipe respectively, nitrogen header pipe is connected with nitrogen bag, at upper ash silo nitrogen-burst agitation pipe, intermediate bin nitrogen-burst agitation pipe and metal hose, in the pipeline that nitrogen arm connects, ball valve and snap joint are installed.
The device that above-mentioned processing blast furnace gas cloth bag dedusting device ash silo is stopped up, described upper ash silo nitrogen-burst agitation pipe is connected with the snap joint of upper ash silo side by upper ash silo ball valve, the snap joint of upper ash silo side is connected with one end of upper ash silo metal hose, the other end of upper ash silo metal hose is connected with upper ash silo nitrogen arm by the snap joint of upper ash silo nitrogen arm side, upper ash silo nitrogen arm ball valve, and upper ash silo nitrogen arm is connected with nitrogen header pipe.
The device that above-mentioned processing blast furnace gas cloth bag dedusting device ash silo is stopped up, described intermediate bin nitrogen-burst agitation pipe is connected with the snap joint of intermediate bin side by intermediate bin ball valve, the snap joint of intermediate bin side is connected with one end of intermediate bin metal hose, the other end of intermediate bin metal hose is connected with intermediate bin nitrogen arm by snap joint, the intermediate bin nitrogen arm ball valve of intermediate bin nitrogen arm side, and intermediate bin nitrogen arm is connected with nitrogen header pipe.
The method that uses the processing blast furnace gas cloth bag dedusting device ash silo of said apparatus to stop up, it adopts following steps to carry out:
A. put in grey process in dedusting work, find that from burying scraper peep hole the defeated ash amount of burying scraper is obvious time on the low side, the lower ash of i.e. judgement is not smooth, keep lower clock valve in opening position, upper ball valve is in off-position, batcher is in opening, intermediate bin hopper wall vibrator is in opening, intermediate bin metal hose two ends are connected respectively in the snap joint of intermediate bin side and the snap joint of intermediate bin nitrogen arm side, open intermediate bin nitrogen arm ball valve, by repeatedly opening, close intermediate bin ball valve control nitrogen, intermediate bin gas ash is carried out to repeated stock stirring;
Grey when unimpeded when realizing under intermediate bin, close intermediate bin ball valve and intermediate bin nitrogen arm ball valve, unclamp the both sides snap joint of intermediate bin metal hose, take away intermediate bin metal hose;
B. as grey unimpeded in failed to make under intermediate bin, can be judged to be ash silo and stop up, close intermediate bin hopper wall vibrator, close lower clock valve, close intermediate bin ball valve and intermediate bin nitrogen arm ball valve, unclamp the both sides snap joint of intermediate bin metal hose, take away intermediate bin metal hose;
C. open upper ball valve, open ash silo hopper wall vibrator, upper ash silo metal hose two ends are connected respectively in the snap joint of upper ash silo side and the snap joint of upper ash silo nitrogen arm side, open ash silo nitrogen arm ball valve, use ash silo ball valve control nitrogen and carry out repeated stock stirring 6-10 time, close and close ash silo ball valve and upper ash silo nitrogen arm ball valve, unclamp the both sides snap joint of ash silo metal hose, take away ash silo metal hose, close and close ash silo hopper wall vibrator, close upper ball valve;
D. open lower clock valve, open intermediate bin hopper wall vibrator, check that by burying scraper peep hole whether lower intermediate bin ash be unimpeded;
E. as not smooth in ash under intermediate bin, close intermediate bin hopper wall vibrator, close lower clock valve, repeating step B-C.
The method that above-mentioned processing blast furnace gas cloth bag dedusting device ash silo is stopped up, in described steps A, open intermediate bin ball valve at every turn and impact the lasting 10-15 of stirring second, each impact is closed intermediate bin ball valve and is opened intermediate bin ball valve impact stirring again after stirring, so repeatedly, adding up to impact the control of stirring time is 1-3 minute.
The invention has the beneficial effects as follows:
The present invention carries out respectively perforate on the bulkhead at the bottom memory gas ash position of upper ash silo and intermediate bin, tapping connects respectively ash silo nitrogen-burst agitation pipe and intermediate bin nitrogen-burst agitation pipe, and upper ash silo nitrogen-burst agitation pipe is connected with nitrogen header pipe by pipeline with intermediate bin nitrogen-burst agitation pipe. Find intermediate bin or on ash silo stop up time, open ash silo nitrogen-burst agitation pipe and intermediate bin nitrogen-burst agitation pipe, utilize nitrogen to impact the gas ash of bonding in stirring ash silo, make the gas ash of bonding in ash silo become flexible and decompose, gas ash larger viscosity is discharged smoothly.
The feature that the present invention has is simple in structure, equipment cost is low, easy to operate, this method can ensure that the ash discharge of blast furnace gas cloth bag dedusting device is smooth and easy, keeps the normal operation of blast furnace gas cloth bag dedusting device, avoids because deduster fault is on the impact of producing.
The present invention is the pioneering of blast furnace raw gas processing, utilizes existing nitrogen resource to solve the hard nut to crack that the long-term cloth bag casing ash silo effectively not solved is stopped up, and has ensured carrying out smoothly of blast furnace production, has the value of promoting the use of in industry.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Number in the figure is as follows: upper ash silo ball valve 1, the snap joint 2 of upper ash silo side, upper ash silo metal hose 3, the snap joint 4 of upper ash silo nitrogen arm side, upper ash silo nitrogen arm ball valve 5, upper ash silo nitrogen arm 6, upper ash silo nitrogen-burst agitation pipe 7, intermediate bin ball valve 8, the snap joint 9 of intermediate bin side, intermediate bin metal hose 10, the snap joint 11 of intermediate bin nitrogen arm side, intermediate bin nitrogen arm ball valve 12, intermediate bin nitrogen arm 13, intermediate bin nitrogen-burst agitation pipe 14, upper ash silo hopper wall vibrator 15, upper ash silo 16, upper ash silo gas ash 17, upper ball valve 18, intermediate bin 19, intermediate bin hopper wall vibrator 20, intermediate bin gas ash 21, lower clock valve 22, batcher 23, burying scraper 24, nitrogen bag 25, two-layer platform 26, nitrogen header pipe 27.
Detailed description of the invention
The device that processing blast furnace gas cloth bag dedusting device ash silo of the present invention is stopped up is by nitrogen bag 25, nitrogen header pipe 27, upper ash silo nitrogen arm 6, intermediate bin nitrogen arm 13, upper ash silo ball valve 1, upper ash silo nitrogen arm ball valve 5, intermediate bin ball valve 8, intermediate bin nitrogen arm ball valve 12, the snap joint 2 of upper ash silo side, the snap joint 4 of upper ash silo nitrogen arm side, the snap joint 9 of intermediate bin side, the snap joint 11 of intermediate bin nitrogen arm side, upper ash silo metal hose 3, intermediate bin metal hose 10, upper ash silo nitrogen-burst agitation pipe 7, intermediate bin nitrogen-burst agitation pipe 14 compositions such as grade.
In figure, show, in the bottom memory of upper ash silo 16, the bulkhead at ash silo gas ash 17 positions is provided with perforate, upper ash silo nitrogen-burst agitation pipe 7 is connected with perforate, upper ash silo nitrogen-burst agitation pipe 7 connects upper ash silo ball valve 1, upper ash silo ball valve 1 connects the snap joint 2 of upper ash silo side, the snap joint 2 of upper ash silo side connects one end of upper ash silo metal hose 3, the other end of upper ash silo metal hose 3 connects the snap joint 4 of upper ash silo nitrogen arm side, the snap joint 4 of upper ash silo nitrogen arm side connects upper ash silo nitrogen arm ball valve 5, upper ash silo nitrogen arm ball valve 5 connects upper ash silo nitrogen arm 6, upper ash silo nitrogen arm 6 connects nitrogen header pipe 27, nitrogen header pipe 27 is connected to nitrogen bag 25.
In figure, show, the bulkhead at bottom memory intermediate bin gas ash 21 positions of intermediate bin 19 is provided with perforate, intermediate bin nitrogen-burst agitation pipe 14 is connected with perforate, intermediate bin nitrogen-burst agitation pipe 14 connects intermediate bin ball valve 8, intermediate bin ball valve 8 connects the snap joint 9 of intermediate bin side, the snap joint 9 of intermediate bin side connects one end of intermediate bin metal hose 10, the other end of intermediate bin metal hose 10 connects the snap joint 11 of intermediate bin nitrogen arm side, the snap joint 11 of intermediate bin nitrogen arm side connects intermediate bin nitrogen arm ball valve 12, intermediate bin nitrogen arm ball valve 12 connects intermediate bin nitrogen arm 13, intermediate bin nitrogen arm 13 connects nitrogen header pipe 27, nitrogen header pipe 27 is connected to nitrogen bag 25.
The method that uses the processing blast furnace gas cloth bag dedusting device ash silo of said apparatus to stop up, adopts following steps to carry out:
A. put in grey process in dedusting work, find that from burying scraper 24 peep holes the defeated ash amount of burying scraper 24 is obvious time on the low side, the lower ash of i.e. judgement is not smooth, keep lower clock valve 22 in opening position, upper ball valve 18 is in off-position, batcher 23 is in opening, intermediate bin hopper wall vibrator 20 is in opening, intermediate bin metal hose 10 two ends are connected respectively in the snap joint 9 of intermediate bin side and the snap joint 11 of intermediate bin nitrogen arm side, open intermediate bin nitrogen arm ball valve 12, by repeatedly opening, closing intermediate bin ball valve 8 controls nitrogen intermediate bin gas ash 21 is carried out to repeated stock stirring.
Open intermediate bin ball valve 8 at every turn and impact the lasting 10-15 of stirring second, each impact is closed intermediate bin ball valve 8 and is opened the 8 impact stirrings of intermediate bin ball valve again after stirring, and so repeatedly, it is 1-3 minute that accumulative total is impacted the control of stirring time.
When realizing 19 times ashes of intermediate bin when unimpeded, close intermediate bin ball valve 8 and intermediate bin nitrogen arm ball valve 12, unclamp the 10 both sides snap joints of intermediate bin metal hose, take away intermediate bin metal hose 10.
B. as failed to make 19 times ashes of intermediate bin unimpeded, can be judged to be ash silo 16 and stop up, close intermediate bin hopper wall vibrator 20, close lower clock valve 22, close intermediate bin ball valve 8 and intermediate bin nitrogen arm ball valve 12, unclamp the 10 both sides snap joints of intermediate bin metal hose, take away intermediate bin metal hose 1.
C. open upper ball valve 18, open ash silo hopper wall vibrator 15, upper ash silo metal hose 3 two ends are connected respectively in the snap joint 2 of upper ash silo side and the snap joint 4 of upper ash silo nitrogen arm side, open ash silo nitrogen arm ball valve 5, use ash silo ball valve 1 control nitrogen carry out repeated stock stir 6-10 time, ash silo ball valve 1 and upper ash silo nitrogen arm ball valve 5 are closed in pass, unclamp the 3 both sides snap joints of ash silo metal hose, take away ash silo metal hose, ash silo hopper wall vibrator 15 is closed in pass, closes upper ball valve 18.
D. open lower clock valve 22, open intermediate bin hopper wall vibrator 20, check that by burying scraper 24 peep holes whether lower intermediate bin 19 ash be unimpeded;
E. as not smooth in 19 times ashes of intermediate bin, close intermediate bin hopper wall vibrator 20, close lower clock valve 22, repeating step B-C.
Claims (5)
1. process the device that blast furnace gas cloth bag dedusting device ash silo is stopped up for one kind, it is characterized in that: it comprises ash silo nitrogen-burst agitation pipe (7), intermediate bin nitrogen-burst agitation pipe (14), metal hose, nitrogen arm, on the bulkhead at the bottom memory gas ash position of upper ash silo (16) and intermediate bin (19), there is respectively perforate, upper ash silo nitrogen-burst agitation pipe (7), the front end of intermediate bin nitrogen-burst agitation pipe (14) is connected with the perforate on intermediate bin (19) bulkhead with upper ash silo (16) respectively, upper ash silo nitrogen-burst agitation pipe (7), the rear end of intermediate bin nitrogen-burst agitation pipe (14) is connected with nitrogen arm by metal hose respectively, nitrogen arm is connected with nitrogen header pipe (27) respectively, nitrogen header pipe (27) is connected with nitrogen bag (25), at upper ash silo nitrogen-burst agitation pipe (7), intermediate bin nitrogen-burst agitation pipe (14) and metal hose, in the pipeline that nitrogen arm connects, ball valve and snap joint are installed.
2. the device that processing blast furnace gas cloth bag dedusting device ash silo according to claim 1 is stopped up, it is characterized in that: described upper ash silo nitrogen-burst agitation pipe (7) is connected with the snap joint (2) of upper ash silo side by upper ash silo ball valve (1), the snap joint (2) of upper ash silo side is connected with one end of upper ash silo metal hose (3), the other end of upper ash silo metal hose (3) is by the snap joint (4) of upper ash silo nitrogen arm side, upper ash silo nitrogen arm ball valve (5) is connected with upper ash silo nitrogen arm (6), upper ash silo nitrogen arm (6) is connected with nitrogen header pipe (27).
3. the device that processing blast furnace gas cloth bag dedusting device ash silo according to claim 2 is stopped up, it is characterized in that: described intermediate bin nitrogen-burst agitation pipe (14) is connected with the snap joint (9) of intermediate bin side by intermediate bin ball valve (8), the snap joint (9) of intermediate bin side is connected with one end of intermediate bin metal hose (10), the other end of intermediate bin metal hose (10) is by the snap joint (11) of intermediate bin nitrogen arm side, intermediate bin nitrogen arm ball valve (12) is connected with intermediate bin nitrogen arm (13), intermediate bin nitrogen arm (13) is connected with nitrogen header pipe (27).
4. right to use requires any one device of processing the obstruction of blast furnace gas cloth bag dedusting device ash silo of 1-3 to process the method that blast furnace gas cloth bag dedusting device ash silo is stopped up, and it is characterized in that: it adopts following steps to carry out:
A. put in grey process in dedusting work, find that from burying scraper (24) peep hole the defeated ash amount of burying scraper (24) is obvious time on the low side, the lower ash of i.e. judgement is not smooth, keep lower clock valve (22) in opening position, upper ball valve (18) is in off-position, batcher (23) is in opening, intermediate bin hopper wall vibrator (20) is in opening, intermediate bin metal hose (10) two ends are connected respectively in the snap joint (9) of intermediate bin side and the snap joint (11) of intermediate bin nitrogen arm side, open intermediate bin nitrogen arm ball valve (12), by repeatedly opening, close intermediate bin ball valve (8) control nitrogen intermediate bin gas ash (21) is carried out to repeated stock stirring,
Grey when unimpeded when realizing under intermediate bin (19), close intermediate bin ball valve (8) and intermediate bin nitrogen arm ball valve (12), unclamp intermediate bin metal hose (10) both sides snap joint, take away intermediate bin metal hose (10);
B. as grey unimpeded in failed to make under intermediate bin (19), can be judged to be ash silo (16) stops up, close intermediate bin hopper wall vibrator (20), close lower clock valve (22), close intermediate bin ball valve (8) and intermediate bin nitrogen arm ball valve (12), unclamp intermediate bin metal hose (10) both sides snap joint, take away intermediate bin metal hose (10);
C. open upper ball valve (18), open ash silo hopper wall vibrator (15), upper ash silo metal hose (3) two ends are connected respectively in the snap joint (2) of upper ash silo side and the snap joint (4) of upper ash silo nitrogen arm side, open ash silo nitrogen arm ball valve (5), use ash silo ball valve (1) control nitrogen and carry out repeated stock stirring 6-10 time, ash silo ball valve (1) and upper ash silo nitrogen arm ball valve (5) are closed in pass, unclamp ash silo metal hose (3) both sides snap joint, take away ash silo metal hose (3), ash silo hopper wall vibrator (15) is closed in pass, close upper ball valve (18),
D. open lower clock valve (22), open intermediate bin hopper wall vibrator (20), check that by burying scraper (24) peep hole whether lower intermediate bin (19) ash be unimpeded;
E. ash as lower in intermediate bin (19) is not smooth, closes intermediate bin hopper wall vibrator (20), closes lower clock valve (22), repeating step B-C.
5. the method that processing blast furnace gas cloth bag dedusting device ash silo according to claim 4 is stopped up, it is characterized in that: in described steps A, open intermediate bin ball valve (8) at every turn and impact the lasting 10-15 of stirring second, each impact is closed intermediate bin ball valve (8) and is opened intermediate bin ball valve (8) impact stirring again after stirring, so repeatedly, adding up to impact the control of stirring time is 1-3 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610132223.2A CN105597455B (en) | 2016-03-09 | 2016-03-09 | It is a kind of to process the device and method that blast furnace gas cloth bag dedusting device ash silo is blocked |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610132223.2A CN105597455B (en) | 2016-03-09 | 2016-03-09 | It is a kind of to process the device and method that blast furnace gas cloth bag dedusting device ash silo is blocked |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105597455A true CN105597455A (en) | 2016-05-25 |
| CN105597455B CN105597455B (en) | 2017-07-07 |
Family
ID=55978133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610132223.2A Active CN105597455B (en) | 2016-03-09 | 2016-03-09 | It is a kind of to process the device and method that blast furnace gas cloth bag dedusting device ash silo is blocked |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105597455B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2218182Y (en) * | 1995-04-04 | 1996-01-24 | 首钢总公司 | Pneumatic dust discharger by blast furnace residued gas pressure |
| US20110146155A1 (en) * | 2008-08-30 | 2011-06-23 | Dall Energy Holding Aps | Method and system for production of a clean hot gas based on solid fuels |
| CN202575416U (en) * | 2012-03-31 | 2012-12-05 | 马钢(集团)控股有限公司 | Pneumatic transmission and blast furnace injection device for coke oven fly ash |
| CN203064820U (en) * | 2012-12-24 | 2013-07-17 | 上海梅山钢铁股份有限公司 | Pneumatic ash conveying control device |
| CN205392020U (en) * | 2016-03-09 | 2016-07-27 | 河北钢铁股份有限公司承德分公司 | Handle device that blocks up in blast furnace gas sack cleaner ash storehouse |
-
2016
- 2016-03-09 CN CN201610132223.2A patent/CN105597455B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2218182Y (en) * | 1995-04-04 | 1996-01-24 | 首钢总公司 | Pneumatic dust discharger by blast furnace residued gas pressure |
| US20110146155A1 (en) * | 2008-08-30 | 2011-06-23 | Dall Energy Holding Aps | Method and system for production of a clean hot gas based on solid fuels |
| CN202575416U (en) * | 2012-03-31 | 2012-12-05 | 马钢(集团)控股有限公司 | Pneumatic transmission and blast furnace injection device for coke oven fly ash |
| CN203064820U (en) * | 2012-12-24 | 2013-07-17 | 上海梅山钢铁股份有限公司 | Pneumatic ash conveying control device |
| CN205392020U (en) * | 2016-03-09 | 2016-07-27 | 河北钢铁股份有限公司承德分公司 | Handle device that blocks up in blast furnace gas sack cleaner ash storehouse |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105597455B (en) | 2017-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103420052B (en) | Program-controlled coal feeding device for raw coal bunker | |
| CN205392020U (en) | Handle device that blocks up in blast furnace gas sack cleaner ash storehouse | |
| CN105597455A (en) | Device and method for disposing dust bin blockage of blast-furnace gas bag-type dust remover | |
| CN202387562U (en) | Dedusting and ash-conveying device of sintering machine head | |
| CN203053214U (en) | Fully-automatic reduction furnace system | |
| CN105236477A (en) | Continuous slag discharge device for low-temperature boiling chlorination furnace | |
| CN105217631B (en) | The method and its system of clean environment firendly semicoke formula continuous production carbon disulfide | |
| CN102423727A (en) | Sintering machine head dust removing and ash conveying device and use method thereof | |
| CN107513592A (en) | Grey technique and device are unloaded in mechanical totally-enclosed with pressure | |
| CN203450637U (en) | Program-controlled coal feeding device for raw coal bunker | |
| CN103333986A (en) | Converter coal gas dry dedusting and cinder pneumatic transmission system | |
| CN214458106U (en) | Stifled device is prevented to buggy jetting system ha gas pipeline | |
| CN104924447B (en) | Anti- airborne dust structure is stirred in brickmaking | |
| CN205274759U (en) | A dust discharging device for dust remover | |
| CN212293632U (en) | Blast furnace coal injection pipeline treatment and recovery device | |
| CN204039422U (en) | A kind of coal powder injection interlock control system | |
| CN211112082U (en) | Novel refining furnace blanking pipe anti-blocking device | |
| CN207176381U (en) | A kind of energy-conserving and environment-protective scummer | |
| CN206052066U (en) | A kind of blast furnace gas dust collector unloads dirt device | |
| CN207632832U (en) | The dustless ash discharging system of dry method dust | |
| CN206466724U (en) | A kind of pneumatic transporting slag system | |
| CN102504871A (en) | Isolating device for blown gas reclaiming valve | |
| CN206751860U (en) | The simple third dedusting system of converter based on a tank | |
| CN203048966U (en) | Automatic dedusting and discharging device for discharged material of blast furnace | |
| CN103318648A (en) | Converter gas dry-method dedusting cinder pneumatic conveying method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 067102 A block 520, Luanhe town finance square, Shuangluan District, Chengde, Hebei Patentee after: River steel Limited by Share Ltd Chengde branch Address before: 067102 Luanhe town finance square, Shuangluan District, Chengde, Hebei, Hebei iron and steel Limited by Share Ltd Chengde branch Patentee before: Chengde Branch Co., Ltd. of Hebei Iron & Steel Group |