CN203403117U - Blast furnace cooling water tank with Z-shaped flowing water channels - Google Patents
Blast furnace cooling water tank with Z-shaped flowing water channels Download PDFInfo
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- CN203403117U CN203403117U CN201320426015.5U CN201320426015U CN203403117U CN 203403117 U CN203403117 U CN 203403117U CN 201320426015 U CN201320426015 U CN 201320426015U CN 203403117 U CN203403117 U CN 203403117U
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Abstract
The utility model relates to a blast furnace cooling water tank with Z-shaped flowing water channels. Cooling water pipes are distributed on a front cooling wall and a rear cooling wall of a blast furnace and are communicated with the blast furnace cooling water tank; the blast furnace cooling water tank comprises a tank body and a tank cover and is characterized in that the tank body comprises an outer frame and multiple partition plates, wherein the outer frame is fixedly welded on a furnace shell, the front surface and the rear surface of the outer frame, opposite to the furnace shell, form an empty frame, and multiple parallel slots distributed up and down in a spacing manner are formed in the side wall of the outer frame; the multiple partition plates are inserted in the slots respectively to divide a space inside the outer frame into a plurality of Z-shaped water channels which are communicated with one another; a water inlet and a water outlet are formed in one side wall of the outer frame and connected with the cooling water pipe respectively; the tank cover covers and is detachably fixed on the outer frame of the tank body. The blast furnace cooling water tank improves a cooling effect of the cooling equipment and the operation safety of the blast furnace, prolongs the service life of the blast furnace and maximizes the economic and social benefits, thus being widely applied to large type blast furnaces at late campaign.
Description
Technical field
The utility model relates to a kind of refrigerating unit, relates to specifically a kind of cooling equipment for blast furnace.
Background technology
In the stove labour later stage of blast furnace, after cooling stave drops, only surplus stove skin bears various pressure, must take to supplement cooling provision for this reason, to prevent casing temperature rising post softening distortion.If furnace shell repeatedly high temperature cold cycle changes, also can make furnace shell embrittlement, thus harm blast furnace safety.Therefore, in blast furnace is produced, just must use as a servant damaged cooling system of later stage to State of Blast Furnace and supplement cooling and necessary reparation, this is the general technique means in this area, and this technique means generally has the methods such as the watering of furnace shell surface is cooling, the inner hard of furnace shell is pressed into wall building, installation micro cooler.But there are following technical problems in these existing technique means.
The watering of furnace shell surface is better for small furnace and upper shaft cold zone cooling performance; but the blast furnace for high smelting intensity is also inapplicable; because its cooling performance can not be taken away the heat of high furnace interior airflow conduction in time, more can not form in inside necessary slag crust protection.
The method that the inner hard of furnace shell is pressed into wall building is also inapplicable for cooling stave blast furnace, because cooling stave blast furnace is after cooling wall breakage drops, stove skin is very smooth, area is very large, and hard press-in material cannot effectively be bonded in stove intracutaneous side and play the effect of protection stove skin.
Micro cooler 11 is installed as shown in Figure 1, without cooling stave only in surplus furnace shell situation practical effect not good, mainly contain two reasons.1. packing density is low: furnace shell perforate has strict restriction, does not allow a large amount of intensive perforates, because of this entail dangers to furnace shell safety.2. because density is low, the chilly of micro cooler can not effectively form slag crust protection, to hard press-in material, can not provide effective cooling; because grout hole distance, hard press-in material is mingled with coke and ore, there is no compactness; poor heat conductivity, not anti-airflow scouring and furnace charge wearing and tearing.
And existing common cooling water tank is installed, and can bring very large difficulty to blast furnace cooling stave maintenance and inspection, cooling intensity is not high yet.
Summary of the invention
The purpose of this utility model is to provide the blast-furnace cooled water case that a kind of State of Blast Furnace labour later stage uses, and fitting operation the effective cooling to blast furnace cooling stave is provided easily, to extend the work-ing life of blast furnace.
For achieving the above object, the utility model provides a kind of blast-furnace cooled water case with the mobile water channel of Z-type, the front and back cooling stave of described blast furnace is furnished with water-cooled tube, described water-cooled tube is communicated with described cooling water tank with described blast-furnace cooled water case and comprises casing and case lid, be characterized in, described casing comprises: housing, is weldingly fixed on furnace shell, the front-back that housing is relative with furnace shell is sky frame, at the sidewall of housing, is formed with the spaced apart a plurality of parallel slots of above-below direction; A plurality of dividing plates, are inserted in respectively in described slot, housing internal space is separated into the Z-type water channel of a plurality of mutual circulations; On a sidewall of housing, be provided with water-in and water port, connect respectively water-cooled tube; Described case lid, covers and is removably fixed on the housing of described casing.
The housing of described casing and the surrounding of tank lid are formed with the mounting flange interosculating.
On the housing of described casing and the mounting flange of tank lid, be processed with respectively a plurality of installation screws and through hole is installed, to be inter-connected via a bolt joint, and being fixed on furnace shell.
On furnace shell surface and the corresponding side of water tank housing, be formed with little groove, with the fixing dividing plate of insertion.
At described water-in and water outlet, Y-junction is installed, outlet three way joint is placed in body of heater drainage tray and connects leak detection valve.
The water-cooled tube connection by metal hose of the front and back cooling stave of blast furnace.
The described blast-furnace cooled water case with the mobile water channel of Z-type is arranged on blast furnace cooling stave with a plurality of compartment of terrains.
The quantity that described a plurality of compartment of terrain is arranged in the blast-furnace cooled water case with the mobile water channel of Z-type on blast furnace cooling stave is 2～3.
Each spacing distance that has that Z-type flows between the blast-furnace cooled water case of water channel is 10～15 centimetres.
The invention has the beneficial effects as follows: adopt the blast-furnace cooled water case with the mobile water channel of Z-type of the present utility model, easy accessibility, good cooling results; Compare with existing cooling equipment for blast furnace, specifically have following advantage:
1) each of the present utility model to have flow blast-furnace cooled water casing of water channel of Z-type long-pending little, lightweight, field staff easily carries and makes and install.Because blast furnace stack is covered with water-cooled tube, just as spider web, too large cooling water tank cannot be carried and pass at all water pipe and install.
2) in water tank, need to pass into the water coolant with pressure, thus water tank do little after, its surface water case lid is also little, cover plate is favourable bears higher hydraulic pressure, not yielding.
3) if occur again damaged or reveal, due to 2～3 water tanks of the present utility model that distribute on blast furnace cooling stave, affect less, also easily processing.
4) between each water tank, leave 10～15 centimetres of spaces, daily spot check furnace shell situation in tight bolt and production during convenient installation, can find furnace shell cracking crack in time, distinguishes fracture strike and large small number.
Therefore blast-furnace cooled water case of the present utility model has improved the security of cooling performance and the blast furnace operating of cooling apparatus, and has extended the work-ing life of blast furnace, and its economic benefit and social benefit are maximized, thereby can be widely used in the stove large blast furnace in labour later stage.
Accompanying drawing explanation
Fig. 1 is existing micro cooler scheme of installation;
Fig. 2 a is the front view of tank box of the blast-furnace cooled water case of an embodiment of the utility model;
Fig. 2 b is the front view of water tank case lid of the blast-furnace cooled water case of an embodiment of the utility model;
Fig. 3 a is the schematic perspective view of tank box of the blast-furnace cooled water case of an embodiment of the utility model; And
Fig. 3 b is the schematic perspective view of water tank case lid of the blast-furnace cooled water case of an embodiment of the utility model.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent, below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.First it should be noted that, the utility model is not limited to following embodiment, the spirit that those skilled in the art should embody from following embodiment is understood the utility model, and each technical term can be done the most wide in range understanding based on spirit of the present utility model.In figure, same or analogous member uses the same reference numerals to represent.
A kind of blast-furnace cooled water case with Z-type water channel of an embodiment of the utility model is shown shown in Fig. 2 a to Fig. 3 b, and the front and back cooling stave of blast furnace is furnished with water-cooled tube (not shown) and is communicated with this blast-furnace cooled water case.This blast-furnace cooled water case comprises casing 12 and case lid 2.
Drawing on water pipe of described water-in 3 and water outlet 4, Y-junction is installed, outlet three way joint is placed in body of heater drainage tray and connects leak detection valve (not shown).The connection by metal hose for water-cooled tube (not shown) of the front and back cooling stave of blast furnace.
The utility model be a kind of novel blast-furnace cooled water case: " Z-type water tank ".Because every cooling stave area is very large, be therefore necessary to be divided into 2～3 " Z-type water tanks " and carry out cooling.The described blast-furnace cooled water case with the mobile water channel 5 of Z-type is arranged on blast furnace cooling stave with a plurality of compartment of terrains.Preferably, described a plurality of compartment of terrain be arranged on blast furnace cooling stave to have the flow quantity of blast-furnace cooled water case of water channel of Z-type be 2～3.Each spacing distance that has that Z-type flows between the blast-furnace cooled water case of water channel is 10～15 centimetres.
Feature and the advantage of this water tank of the present utility model are described as follows:
1. each water tank is little, and field staff easily carries and makes and install.We know that blast furnace stack is covered with water-cooled tube, and just as spider web, too large cooling water tank cannot be carried and pass at all water pipe and install.
2. in water tank, need to pass into the water coolant with pressure, thus water tank do little after, its surface cap is also little, favourablely bears higher hydraulic pressure, not yielding.
3. if occur again damaged or reveal, owing to being divided into 2～3 water tanks, affect less, also easily processing.
4. between each water tank, leave 10～15 centimetres of spaces, daily spot check furnace shell situation in tight bolt and production during convenient installation, can find furnace shell cracking crack in time, distinguishes fracture strike and large small number.
Furnace shell is the Plate Steel that has arc, and the concavo-convex of construction and accessory remnants left on surface, and therefore to " Z-type water tank " housing 1, bottom is empty frame, during installation, is directly welded on furnace shell.Mounting flange is held cover plate open holes successfully when making in advance, smooth to guarantee trim.
Due to furnace shell after " Z-type water tank " is installed still strain cracking may, " Z-type water tank " surface design, be therefore that removable cover is dismountable tank lid, be convenient to utilize blast furnace periodical repair to check and cleaning fouling in the future.
Furnace shell watering cooling intensity is low, and main reason is that its water speed is too low, can not take away in time furnace shell heat.Therefore " Z-type water tank " designs its interior separation and becomes several water channels 5.Make water coolant Z-shaped flowing in water tank, eliminate cooling dead angle, improve water coolant flow velocity, force to improve cooling performance.Entery and delivery port 3,4 diameters of cooling water tank of the present utility model are 80mm; design water speed is 1m/s; the cooling water flow that can obtain as calculated each cooling water tank is about 18t/h; by every cooling stave, three novel cooling water casees being installed calculates; the cooling water flow of every cooling stave is 54t/h; be greater than the cooling water flow (being about 40t/h) of a normal cooling wall, so the cooling intensity of the novel cooling water tank of the utility model is very high, be conducive to form slag crust protection stove is inner.
For water coolant water channel, its dividing plate 6 is movable, is convenient to like this install.When shell deformation ftractures, can also take dividing plate 6 away, expand construction soldering space, expose stove skin crack simultaneously.Because last furnace shell has 80mm thick, for cracking stove skin, must cut stove skin open by first V-arrangement, then in V-shaped groove weld deposit repairing.The little groove of 10mm of burn-oning in furnace shell surface and the corresponding side of " Z-type water tank " frame.On furnace shell and water tank frame, these two grooves, had both fixed dividing plate 6, also played gap effect between seal diaphragm 6 and furnace shell.When covering surface cap and be tank lid 2, can push down dividing plate 6, keep dividing plate to fix.
Whole " Z-type water tank " thickness can be at 15～20CM, favourable like this making construction.To projections such as chilly, the water pipes of having installed, need to carry out necessary cleaning and optimization.To drainage, 3 pass joints must be installed, can cut off fast if desired damaged " Z-type water tank ".Drainage head is placed in body of heater drainage tray, and leak detection valve is installed.Water-cooled tube to front and back cooling stave, can use connection by metal hose.
Adopt the blast-furnace cooled water case with the mobile water channel of Z-type of the present utility model, easy accessibility, good cooling results; Compare with existing cooling equipment for blast furnace, specifically have following advantage:
1) each of the present utility model to have flow blast-furnace cooled water casing of water channel of Z-type long-pending little, lightweight, field staff easily carries and makes and install.Because blast furnace stack is covered with water-cooled tube, just as spider web, too large cooling water tank cannot be carried and pass at all water pipe and install.
2) in water tank, need to pass into the water coolant with pressure, thus water tank do little after, its surface water case lid is also little, cover plate is favourable bears higher hydraulic pressure, not yielding.
3) if occur again damaged or reveal, due to 2～3 water tanks of the present utility model that distribute on blast furnace cooling stave, affect less, also easily processing.
4) between each water tank, leave 10～15 centimetres of spaces, daily spot check furnace shell situation in tight bolt and production during convenient installation, can find furnace shell cracking crack in time, distinguishes fracture strike and large small number.
In sum, therefore the security that blast-furnace cooled water case of the present utility model has improved cooling performance and the blast furnace operating of cooling apparatus, and extended work-ing life of blast furnace, its economic benefit and social benefit are maximized, thereby can be widely used in the stove large blast furnace in labour later stage.
Should be understood that those skilled in the art can make various changes or modifications the utility model after having read above-mentioned teachings of the present utility model, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (9)
1. one kind has the flow blast-furnace cooled water case of water channel of Z-type, the front and back cooling stave of described blast furnace is furnished with water-cooled tube, described water-cooled tube is communicated with described cooling water tank with described blast-furnace cooled water case and comprises casing and case lid, it is characterized in that, described casing comprises: housing, be weldingly fixed on furnace shell, the front-back that housing is relative with furnace shell is sky frame, at the sidewall of housing, is formed with the spaced apart a plurality of parallel slots of above-below direction; A plurality of dividing plates, are inserted in respectively in described slot, housing internal space is separated into the Z-type water channel of a plurality of mutual circulations; On a sidewall of housing, be provided with water-in and water port, connect respectively water-cooled tube; Described case lid, covers and is removably fixed on the housing of described casing.
2. the blast-furnace cooled water case with the mobile water channel of Z-type according to claim 1, is characterized in that, the housing of described casing and the surrounding of tank lid are formed with the mounting flange interosculating.
3. according to claim 2 have flow a blast-furnace cooled water case of water channel of Z-type, it is characterized in that, on the housing of described casing and the mounting flange of tank lid, be processed with respectively a plurality of installation screws and through hole is installed, to be inter-connected via a bolt joint, and being fixed on furnace shell.
4. according to thering is the flow blast-furnace cooled water case of water channel of Z-type described in any one of claims 1 to 3, it is characterized in that, on furnace shell surface and the corresponding side of water tank housing, be formed with little groove, with the fixing dividing plate of insertion.
5. according to the blast-furnace cooled water case with the mobile water channel of Z-type described in any one of claims 1 to 3, it is characterized in that, on the water pipe being connected with water outlet with water-in, Y-junction is installed, outlet three way joint is placed in body of heater drainage tray and connects leak detection valve.
6. the blast-furnace cooled water case with the mobile water channel of Z-type according to claim 5, is characterized in that the water-cooled tube connection by metal hose of the front and back cooling stave of blast furnace.
7. according to claim 1 have flow a blast-furnace cooled water case of water channel of Z-type, it is characterized in that, described have the flow blast-furnace cooled water case of water channel of Z-type and be arranged on blast furnace cooling stave with a plurality of intervals the.
8. the blast-furnace cooled water case with the mobile water channel of Z-type according to claim 7, is characterized in that, the quantity that described a plurality of compartment of terrains are arranged in the blast-furnace cooled water case with the mobile water channel of Z-type on blast furnace cooling stave is 2～3.
9. according to claim 8 have flow a blast-furnace cooled water case of water channel of Z-type, it is characterized in that, it is 10～15 centimetres that described each has the spacing distance that Z-type flows between the blast-furnace cooled water case of water channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320426015.5U CN203403117U (en) | 2013-07-17 | 2013-07-17 | Blast furnace cooling water tank with Z-shaped flowing water channels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320426015.5U CN203403117U (en) | 2013-07-17 | 2013-07-17 | Blast furnace cooling water tank with Z-shaped flowing water channels |
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| CN203403117U true CN203403117U (en) | 2014-01-22 |
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| CN201320426015.5U Expired - Lifetime CN203403117U (en) | 2013-07-17 | 2013-07-17 | Blast furnace cooling water tank with Z-shaped flowing water channels |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698026A (en) * | 2014-12-09 | 2015-06-10 | 上海航天精密机械研究所 | Water-cooling type thermal insulating device for high heat-flow static heating testing |
| CN111979369A (en) * | 2020-10-12 | 2020-11-24 | 中冶赛迪上海工程技术有限公司 | Blast furnace cooling equipment and use method thereof |
| CN112543814A (en) * | 2018-08-01 | 2021-03-23 | 保尔伍斯股份有限公司 | Cooling box for shaft furnace |
-
2013
- 2013-07-17 CN CN201320426015.5U patent/CN203403117U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698026A (en) * | 2014-12-09 | 2015-06-10 | 上海航天精密机械研究所 | Water-cooling type thermal insulating device for high heat-flow static heating testing |
| CN112543814A (en) * | 2018-08-01 | 2021-03-23 | 保尔伍斯股份有限公司 | Cooling box for shaft furnace |
| JP2021533266A (en) * | 2018-08-01 | 2021-12-02 | ポール ワース エス．アー． | Cooling box for shaft furnace |
| US11535904B2 (en) | 2018-08-01 | 2022-12-27 | Paul Wurth S.A. | Cooling box for a shaft furnace |
| JP7391078B2 (en) | 2018-08-01 | 2023-12-04 | ポール ワース エス．アー． | Cooling box for shaft furnace |
| TWI831812B (en) * | 2018-08-01 | 2024-02-11 | 盧森堡商保羅伍斯股份有限公司 | Cooling box for a shaft furnace |
| CN111979369A (en) * | 2020-10-12 | 2020-11-24 | 中冶赛迪上海工程技术有限公司 | Blast furnace cooling equipment and use method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140122 |