CN105238894B - The process that blast furnace furnace foundation shrouding blowby coal gas closure with pressure is administered - Google Patents
The process that blast furnace furnace foundation shrouding blowby coal gas closure with pressure is administered Download PDFInfo
- Publication number
- CN105238894B CN105238894B CN201510756510.6A CN201510756510A CN105238894B CN 105238894 B CN105238894 B CN 105238894B CN 201510756510 A CN201510756510 A CN 201510756510A CN 105238894 B CN105238894 B CN 105238894B
- Authority
- CN
- China
- Prior art keywords
- shrouding
- furnace
- foundation
- coal gas
- furnace foundation
- 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.)
- Active
Links
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The present invention relates to the process that a kind of blast furnace furnace foundation shrouding blowby coal gas closure with pressure is administered, it is characterised in that：Using the composite that three kinds of performances are different in furnace foundation shrouding chamber：The resin dedicated composite of solid-state, the special colloidal materials of plasticity and high-strength castable are plugging material, after the technique that blast furnace furnace foundation shrouding blowby coal gas closure with pressure is administered is constructed, closure encapsulant is tightly combined in blast furnace furnace foundation shrouding protection box with furnace foundation shrouding and cement foundation pier surfacing, do not crack, gap, cavity, and with very high bond strength and toughness and rigidity, revolutionize the internal structure that blast furnace furnace foundation shrouding protects box, the defect for making blast furnace furnace foundation shrouding be produced with furnace foundation cement foundation pier joint portion is fully repaired, Ni and, solve blast furnace furnace foundation shrouding blowby coal gas with pressure, ensure the safe operation of blast fumance and the saving of the energy.
Description
Technical field
Smelted the invention belongs to blast furnace in metallurgical industry and maintenance technology field, be related to a kind of State of Blast Furnace Base Metal shrouding with mixing
The plugging technology of the precast concrete joint portion string leakage coal gas with pressure of solidifying soil-cement foundation pier, more particularly to a kind of blast furnace furnace foundation envelope
The process that plate blowby coal gas closure with pressure is administered.
Background technology
At present, furnace bottom shrouding and furnace foundation closing plate structure are all used in the domestic design of blast furnace in the prior art, it is main
If in order to ensure the sealing of operation of blast furnace pressure, playing the work of pressure closure of the high furnace chamber inner high voltage coal gas through being gone here and there outside furnace foundation
With.After one period of operation of blast furnace, some blast furnaces influence because of furnace bottom seal plate welding flaw in blast furnace work progress, or high
The accidents such as the pinking in stove running, make the welding position of furnace bottom shrouding occur defect, to furnace foundation position blowby coal gas with pressure,
Through furnace foundation shrouding and concrete cement foundation pier joint portion to blowby coal gas with pressure outside body of heater, make furnace foundation periphery coal gas amount superelevation,
Easily occur serious security incident, need ignition process for abatement coal gas toxicity, the high temperature of generation makes furnace foundation shrouding gross distortion,
The coal gas of high temperature altered outside can influence the running temperature parameter of cupola well and the consumption of combustion gas to waste, increase blast furnace operation cost, produce
Serious accident, causes the blast furnace such as the dead serious accident of gas poisoning and the casualty accident of blast furnace point inspection operating personnel's gas poisoning
Insoluble problem in normal operation.By the application and engineering construction of this patent of invention, blast furnace furnace foundation shrouding guarantor is changed
The internal structure of box is protected, the blowby of blast furnace furnace foundation shrouding and concrete cement foundation pier joint portion coal gas with pressure has thoroughly been blocked,
The safe operation of blast furnace is ensure that, the on-road efficiency of blast fumance is improved, while having prevented the generation of personal safety accident.
The content of the invention
Instant invention overcomes above-mentioned defect, it is therefore an objective to solve between blast furnace furnace foundation shrouding and concrete cement foundation pier
Coal gas string leakage passage plugging, make between the high furnace foundation shrouding of stove and concrete cement foundation pier no longer blowby coal gas with pressure, it is ensured that high
Stove operation safety, the purpose for reaching safety in production blocks the technique administered there is provided a kind of blast furnace furnace foundation shrouding blowby coal gas with pressure
Method.
The process content Description that blast furnace furnace foundation shrouding blowby coal gas closure with pressure of the present invention is administered：
The process that blast furnace furnace foundation shrouding blowby coal gas closure with pressure of the present invention is administered, it is characterised in that：In State of Blast Furnace
Using the composite that three kinds of performances are different in base shrouding chamber：The resin dedicated composite of solid-state, the special colloidal materials of plasticity and
High-strength castable is plugging material；The resin dedicated composite of solid-state uses the epoxy building structure resin glue of two kinds of components；
The special colloidal materials of plasticity use clear based anchoring agent, micro mist, carbolineum, modified resin, are 6 by weight:2:1:1 ratio is made multiple
The special colloidal materials of mould assembly plasticity；High-strength castable uses bauxites aggregate, carborundum, super micro mist, refractory cement by weight
Than for 5:1:1:High-strength castable is made in 2 ratios.
The technique that blast furnace furnace foundation shrouding blowby coal gas closure with pressure is administered, is completed according to the following steps：
（1）, for closure scurried into from the defect of Blast Furnace Bottom arc sealing plate and furnace bottom shrouding furnace foundation shrouding protection box
In coal gas with pressure, from the coal gas blowby point blowby coal gas with pressure of furnace foundation shrouding Yu the joint portion of concrete cement foundation pier, it is necessary to
Open furnace foundation shrouding box upper cover plate, cleaning, repair, make furnace foundation shrouding protection box, make its inner clean, it is clean and tidy, without dirt
Water, foreign, no greasy dirt；
（2）, cleaning furnace foundation shrouding and concrete cement foundation pier joint portion keep totally, foreign, without sewage, oil-free
It is dirty；
（3）, furnace foundation shrouding protection box chamber in concrete cement foundation pier joint portion use epoxy building structure resin
Glue is filled sealing；
（4）, after epoxy building structure resin glue is normal temperature consolidated, clear based anchoring agent, micro mist, carbolineum, modified resin, by weight
Amount is than being 6:2:1:1 ratio is made the special colloidal materials of plasticity and is filled sealing；
（5）, after after the special colloidal materials air-setting of plasticity, using bauxites aggregate, carborundum, super micro mist, fire resisting water
Mud presses 5：1：1：The special high-strength castable that 2 ratios are made is filled sealing；
（6）, in furnace foundation shrouding protection box chamber after the filling of three kinds of composite material sealings, covered on welding furnace foundation shrouding box
Plate, completes the sealing filling construction of furnace foundation shrouding protection cassette interior；
（7）, enter horizontal high voltage mud jacking to blast furnace furnace foundation cold area free, press-in furnace foundation coal gas seals special press-in mud.
The process that blast furnace furnace foundation shrouding blowby coal gas closure with pressure of the present invention is administered, encapsulant is sealed in blast furnace furnace foundation
Tightly is combined with furnace foundation shrouding and cement foundation pier surfacing in plate protection box, do not crack, gap, cavity, and have
Very high bond strength and toughness and rigidity, revolutionize the internal structure that blast furnace furnace foundation shrouding protects box, make State of Blast Furnace
The defect that base shrouding and furnace foundation concrete cement foundation pier joint portion are produced fully is repaired, Ni and, solve blast furnace furnace foundation shrouding with
The problem of concrete cement foundation pier joint portion blowby coal gas with pressure, it is ensured that the safe operation of blast fumance and the saving of the energy, Du
Problems trigger the hidden danger of personal safety accidents absolutely.
Brief description of the drawings
Fig. 1 is blast furnace furnace foundation closing plate structure schematic diagram：
In figure：1 it is furnace bottom arc sealing plate, 2 be furnace bottom shrouding, 3 be furnace foundation shrouding box upper cover plate, 4 is furnace foundation shrouding
Protection box, 5 be coal gas blowby point, 6 be furnace foundation shrouding, 7 be concrete cement foundation pier, 8 be the resin dedicated composite of solid-state,
9 it is the special colloidal materials of spear, 10 is high-strength castable.
Embodiment
The process that blast furnace furnace foundation shrouding blowby of the present invention coal gas closure with pressure is administered be achieved in that below by
Drawings and Examples are illustrated.
The process that blast furnace furnace foundation shrouding blowby coal gas closure with pressure of the present invention is administered, is used in furnace foundation shrouding chamber
The different composite of three kinds of performances：The resin dedicated composite of solid-state, the special colloidal materials of plasticity and high-strength castable are
Plugging material；The resin dedicated composite of solid-state uses epoxy building structure resin glue；The special colloidal materials of plasticity use clear base
Bonding agent, micro mist, carbolineum, thermosetting resin, are 6 by weight：2：1：The special colloidal materials of compound plasticity are made in 1 ratio；
High-strength castable uses bauxites aggregate, carborundum, super micro mist, refractory cement by weight for 5：1：1：Height is made in 2 ratios
Intensity castable.
The technique that blast furnace furnace foundation shrouding blowby coal gas closure with pressure is administered, is completed according to the following steps：
（1）, for closure furnace foundation shrouding protecting box is scurried into from the defect of Blast Furnace Bottom arc sealing plate 1 and furnace bottom shrouding 2
Coal gas with pressure in son 4, the blowby coal with pressure of coal gas blowby point 5 from furnace foundation shrouding 6 Yu the joint portion of concrete cement foundation pier 7
Gas cleaning, is repaired, makes furnace foundation shrouding protection box, it is necessary to opens furnace foundation shrouding box upper cover plate 3, makes its inner clean, whole
It is clean, without sewage, foreign, no greasy dirt；
（2）, cleaning furnace foundation shrouding 6 keep clean with the joint portion of concrete cement foundation pier 7, foreign, without sewage, oil-free
It is dirty；
（3）, furnace foundation shrouding protection the chamber of box 4 in the joint portion of concrete cement foundation pier 7 use epoxy building structure tree
Fat glue 8 is filled sealing；
（4）, after epoxy building structure resin glue 8 is normal temperature consolidated, using clear based anchoring agent, micro mist, carbolineum, thermosetting tree
Fat, is 6 by weight:2:1:1 ratio is made the special colloidal materials 9 of plasticity and is filled sealing；
（5）, after after the special air-setting of colloidal materials 9 of plasticity, using bauxites aggregate, carborundum, super micro mist, fire resisting water
Mud presses 5：1：1：The special high-strength hardening castable 10 that 2 ratios are made is filled sealing；
（6）, in the furnace foundation shrouding protection chamber of box 4 after the filling of three kinds of composite material sealings, covered on welding furnace foundation shrouding box
Plate 3, completes the sealing filling construction inside furnace foundation shrouding protection box 4；
（7）, enter horizontal high voltage mud jacking to blast furnace furnace foundation cold area free, press-in furnace foundation coal gas seals special press-in mud.
The process that blast furnace furnace foundation shrouding blowby coal gas closure with pressure of the present invention is administered, using the protection in furnace foundation shrouding
Using the composite seal that three kinds of performances are different in box chamber, block what is administered by blast furnace furnace foundation shrouding blowby coal gas with pressure
After technique is constructed, encapsulant is tight with furnace foundation shrouding and cement foundation pier surfacing in blast furnace furnace foundation shrouding protection box
Close combination, do not crack, gap, cavity, and with very high bond strength and toughness and rigidity, revolutionize State of Blast Furnace
Base shrouding protects the internal structure of box, the defect that blast furnace furnace foundation shrouding is produced with furnace foundation cement foundation pier joint portion is fully repaiied
Mend, Ni and, solve blast furnace furnace foundation shrouding blowby coal gas with pressure, it is ensured that the safe operation of blast fumance and the saving of the energy.
Claims (1)
1. the process that a kind of blast furnace furnace foundation shrouding blowby coal gas closure with pressure is administered, it is characterised in that：In furnace foundation shrouding chamber
The interior composite different using three kinds of performances：The resin dedicated composite of solid-state, the special colloidal materials of plasticity and high intensity are poured
Material feeding is plugging material；The resin dedicated composite of solid-state uses epoxy building structure resin glue；The special colloidal materials of plasticity are adopted
It is 6 by weight with clear based anchoring agent, micro mist, carbolineum, thermosetting resin:2:1:The special colloid of compound plasticity is made in 1 ratio
Material；High-strength castable bauxites aggregate, carborundum, super micro mist, refractory cement are 5 by weight：1：1:2 ratios are made
High-strength castable；
The technique that blast furnace furnace foundation shrouding blowby coal gas closure with pressure is administered, is completed according to the following steps：
（1）, be closure from Blast Furnace Bottom arc sealing plate（1）, furnace bottom shrouding（2）Defect in scurry into furnace foundation shrouding protection box
（4）In coal gas with pressure, from furnace foundation shrouding（6）With concrete cement foundation pier（7）Joint portion coal gas blowby point（5）Blowby band
Coal gas is pressed, it is necessary to open furnace foundation shrouding box upper cover plate（3）, cleaning, reparation, making furnace foundation shrouding protection box make inside it
Totally, neatly, without sewage, foreign, no greasy dirt；
（2）, cleaning furnace foundation shrouding（6）With concrete cement foundation pier（7）Joint portion keep clean, foreign, without sewage, oil-free
It is dirty；
（3）, furnace foundation shrouding protect box（4）With concrete cement foundation pier in chamber（7）Joint portion uses epoxy building structure tree
Fat glue（8）It is filled sealing；
（4）, treat epoxy building structure resin glue（8）After normal temperature consolidated, using clear based anchoring agent, micro mist, carbolineum, thermosetting tree
Fat, is 6 by weight:2:1:The special colloidal materials of plasticity are made in 1 ratio（9）It is filled sealing；
（5）, treat the special colloidal materials of plasticity（9）After air-setting, using bauxites aggregate, carborundum, super micro mist, refractory cement
By 5:1:1:The special high-strength hardening castable that 2 ratios are made（10）It is filled sealing；
（6）, furnace foundation shrouding protection box（4）In chamber after three kinds of composite material sealing fillings, furnace foundation shrouding box upper cover plate is welded
（3）, complete furnace foundation shrouding protection box（4）Internal sealing filling construction；
（7）, enter horizontal high voltage mud jacking to blast furnace furnace foundation cold area free, press-in furnace foundation coal gas seals special press-in mud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510756510.6A CN105238894B (en) | 2015-11-10 | 2015-11-10 | The process that blast furnace furnace foundation shrouding blowby coal gas closure with pressure is administered |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510756510.6A CN105238894B (en) | 2015-11-10 | 2015-11-10 | The process that blast furnace furnace foundation shrouding blowby coal gas closure with pressure is administered |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105238894A CN105238894A (en) | 2016-01-13 |
| CN105238894B true CN105238894B (en) | 2017-07-18 |
Family
ID=55036712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510756510.6A Active CN105238894B (en) | 2015-11-10 | 2015-11-10 | The process that blast furnace furnace foundation shrouding blowby coal gas closure with pressure is administered |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105238894B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109852751A (en) * | 2019-04-15 | 2019-06-07 | 北京瑞普同创科技发展有限公司 | A kind of blast-furance cement foundation pier blowby coal gas defect administering method |
| CN109929956A (en) * | 2019-04-16 | 2019-06-25 | 北京瑞普同创科技发展有限公司 | Smelt iron the online controlling device of hot-blast stove basis blowby compressed gas and installation method |
| CN110607910A (en) * | 2019-08-19 | 2019-12-24 | 山西太钢不锈钢股份有限公司 | Gas chamber bottom plate leakage stopping method |
| CN110863511A (en) * | 2019-12-02 | 2020-03-06 | 南京联合荣大工程材料有限责任公司 | Method for repairing blast of furnace base of hot blast furnace |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01191717A (en) * | 1988-01-26 | 1989-08-01 | Sumitomo Metal Ind Ltd | Sealing structure in furnace bottom for reconstructing work in blast furnace |
| CN100569960C (en) * | 2008-01-11 | 2009-12-16 | 王建国 | Blast furnace gas leak is scurried the shutoff equipment and the technology of wind |
| CN102372472B (en) * | 2011-08-01 | 2013-08-07 | 北京瑞普同创科技发展有限公司 | Plastic seal pressing-in material for eliminating blast furnace gas blowby |
| CN102392086B (en) * | 2011-11-21 | 2013-06-19 | 安阳钢铁股份有限公司 | Large blast furnace body gas leakage prevention method |
| CN104988260B (en) * | 2015-07-13 | 2017-03-29 | 山东钢铁股份有限公司 | A kind of method of closure State of Blast Furnace based gas leakage |
-
2015
- 2015-11-10 CN CN201510756510.6A patent/CN105238894B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105238894A (en) | 2016-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105238894B (en) | The process that blast furnace furnace foundation shrouding blowby coal gas closure with pressure is administered | |
| CN102392086B (en) | Large blast furnace body gas leakage prevention method | |
| CN105414709A (en) | Welding repair method for large nodular iron castings | |
| CN203373359U (en) | Furnace bottom structure of blast furnace | |
| CN104313217B (en) | Blast furnace bottom | |
| CN104847984A (en) | Pipeline bell-and-spigot joint technology | |
| CN104975570A (en) | Concrete lifting pouring construction method for steel tube arch bridge arch ribs | |
| CN101892337B (en) | Method for maintaining blast furnace taphole | |
| CN202927358U (en) | A steel liner repair structure of a large-diameter concrete non-bearing pipeline fissure | |
| CN106399625A (en) | High-temperature and high-pressure gas sealing device for steel ladle refining furnace and application method of high-temperature and high-pressure gas sealing device | |
| CN109000223A (en) | A kind of material return device for circulating fluidized bed boiler part thermal insulation layer lining restorative procedure | |
| CN110863072B (en) | Method for blocking gas leakage of furnace foundation by grouting between blast furnace, furnace hearth and furnace shell and cooling wall | |
| CN105586457B (en) | It is a kind of to use as a servant the method that later stage local stove skin cooling wall breakage is repaired suitable for State of Blast Furnace | |
| CN102329907B (en) | Novel clamp for sealing of hot-blast valve flange and using method thereof | |
| CN203891063U (en) | Leaking stoppage device of hot-blast furnace foundation | |
| CN109667242A (en) | Panel dam crack repair structure | |
| CN205088275U (en) | Cowper stove lower part short circuit prosthetic devices | |
| CN102618301B (en) | Water seal device suitable for high-temperature and high-thermal environment of dry quenching coke furnace | |
| CN109852751A (en) | A kind of blast-furance cement foundation pier blowby coal gas defect administering method | |
| CN210886093U (en) | Ou ye stove tuyere coal gas plugging device | |
| CN205576199U (en) | Exhaust -heat boiler cast iron type feed opening water cooling plant | |
| CN204401026U (en) | A kind of hot air furnace hot air pipe flange structure | |
| CN210711606U (en) | Blast furnace hot blast stove furnace base leaks out and restores structure | |
| CN104596291A (en) | Construction method for using fireproof material in rotary cement kiln | |
| CN210796513U (en) | Blast furnace foundation gas leakage plugging structure |
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 |