CN104372121A - Circularly spraying type device for treating steam generated after thermally braising steel slag - Google Patents
Circularly spraying type device for treating steam generated after thermally braising steel slag Download PDFInfo
- Publication number
- CN104372121A CN104372121A CN201410569548.8A CN201410569548A CN104372121A CN 104372121 A CN104372121 A CN 104372121A CN 201410569548 A CN201410569548 A CN 201410569548A CN 104372121 A CN104372121 A CN 104372121A
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- Prior art keywords
- slag
- water
- steam
- slag stewing
- spray column
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
- Commercial Cooking Devices (AREA)
Abstract
The invention discloses a circularly spraying type device for treating steam generated after thermally braising steel slag. The device comprises a slag braising pit used for stacking steel slag, wherein the top of the slag braising pit is hermetically covered by a slag braising cover; a gas outlet is formed in the side wall of the slag braising cover; the slag braising pit is communicated with a spray tower via a steam pipeline communicated with the gas outlet in the side wall of the slag braising cover; a plurality of straight pipes are circumferentially distributed in the spray tower; a plurality of ring pipes communicated with the straight pipes are installed in the spray tower from top to bottom at intervals; a plurality of spray pipes with nozzles are circumferentially distributed on each ring pipe; the steam pipeline extends into the spray tower from the top of the spray tower; the steam pipeline extending into the spray tower is sleeved by the ring pipes in a ring manner; a water outlet is formed in the lower side wall of the spray tower; the spray tower is communicated with an inlet of a cooling tower via a first water return pipeline; the cooling tower is communicated with a water tank via a second water return pipeline; the water tank is used for supplying water to the straight pipes via a water supply pipeline. The device has the advantage that the device can be used for effectively treating steam generated after thermally braising steel slag.
Description
Technical field
The present invention relates to circulated sprinkling type steel slag hot and boil in a covered pot over a slow fire equipment for steam treatment.
Background technology
In steel-making industry, the slag after steel-making is generally all first stacked in slag stewing hole, then by periodically fetching water in slag stewing hole, thus reach object slag being cooled efflorescence; But slag can give out a large amount of steam containing flammable explosive gas such as hydrogen in process of cooling, and these steam are all directly drain in air at present, greatly affect ambient air quality.
Summary of the invention
The object of this invention is to provide the circulated sprinkling type steel slag hot that a kind of steam boiling in a covered pot over a slow fire rear generation to steel slag hot carries out effectively process and boil in a covered pot over a slow fire equipment for steam treatment.
For achieving the above object, present invention employs following technical scheme: described circulated sprinkling type steel slag hot boils in a covered pot over a slow fire equipment for steam treatment, comprise: in order to stack the slag stewing hole of slag, slag stewing lid is stamped at the top seal in slag stewing hole, the sidewall of slag stewing lid offers air outlet, slag stewing hole is connected with spray column by the steam-pipe be connected with slag stewing lid sidewall air outlet, some straight tubes are circumferentially distributed with in spray column, in spray column, from up to down the some endless tubes be connected with straight tube are installed at interval, every root endless tube is distributed with some showers being provided with nozzle along its circumference, described steam-pipe stretches into spray column from spray column top, described endless tube is coated with the steam-pipe stretching into spray column, the lower wall of spray column offers water outlet, spray column is connected with the import of cooling tower by the first water return pipeline be connected with its water outlet, the outlet of cooling tower is connected with pond by the second water return pipeline, is supplied water to straight tube by low-pressure pump and water supply line in pond.
Further, aforesaid circulated sprinkling type steel slag hot boils in a covered pot over a slow fire equipment for steam treatment, wherein: on steam-pipe, explosion trap is installed, the structure of described explosion trap is: comprise the tubular valve body be connected with steam-pipe, tubular valve body is hinged with the cover plate that can cover tubular valve body upper orifice downwards, be provided with limited block at the pin jointed end place of cover plate, when cover plate upwards overturns, the limited block at cover plate pin jointed end place is just in time against on the outer side wall of tubular valve body.
Further, aforesaid circulated sprinkling type steel slag hot boils in a covered pot over a slow fire equipment for steam treatment, and wherein: the upper orifice edge of tubular valve body is provided with a root rubber sealed strip, when cover plate covers tubular valve body upper orifice downwards, cover plate is just in time pressed on rubber weather strip.
Further, aforesaid circulated sprinkling type steel slag hot boils in a covered pot over a slow fire equipment for steam treatment, wherein: slag stewing lid is combined on slag stewing hole by water seal mechanism sealing cover, the structure of described water seal mechanism is: offer around slag stewing hole the aqua storage tank that a circle is filled with water, in aqua storage tank, interval is provided with some cushion blocks be immersed in water, integrally be extended with a circle bulge loop downwards at the edge of slag stewing lid, when slag stewing lid covers slag stewing hole downwards, the bulge loop of slag stewing lid is just in time against downwards on the cushion block in aqua storage tank.
Further, aforesaid circulated sprinkling type steel slag hot boils in a covered pot over a slow fire equipment for steam treatment, wherein: around slag stewing hole, be provided with water eliminator.
Further, aforesaid circulated sprinkling type steel slag hot boils in a covered pot over a slow fire equipment for steam treatment, wherein: also arranging on slag stewing hole can to the nitrogen purging mechanism purging nitrogen in slag stewing hole.
By the enforcement of technique scheme, the present invention has the advantage that the steam boiling in a covered pot over a slow fire rear generation to steel slag hot carries out effectively process.
Accompanying drawing explanation
Fig. 1 is the structural representation that circulated sprinkling type steel slag hot of the present invention boils in a covered pot over a slow fire equipment for steam treatment.
Fig. 2 is the structural representation of the spray column shown in Fig. 1.
Fig. 3 is the structural representation of A-A section in Fig. 2.
Fig. 4 is the structural representation of the explosion trap shown in Fig. 1.
Fig. 5 is the enlarged diagram at the position of H shown in Fig. 4.
Fig. 6 is the enlarged diagram at the I position shown in Fig. 4.
Fig. 7 is the principle of work schematic diagram that circulated sprinkling type steel slag hot of the present invention boils in a covered pot over a slow fire equipment for steam treatment.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Fig. 7, described circulated sprinkling type steel slag hot boils in a covered pot over a slow fire equipment for steam treatment, comprise: in order to stack the slag stewing hole 1 of slag, slag stewing lid 2 is stamped at the top seal in slag stewing hole 1, the sidewall of slag stewing lid 2 offers air outlet, slag stewing hole 1 is connected with spray column 4 by the steam-pipe 3 be connected with slag stewing lid 2 sidewall air outlet, some straight tubes 5 are circumferentially distributed with in spray column 4, the endless tube 6 be connected with all straight tubes 5 while that from up to down interval installing some in spray column 5, every root endless tube 6 is distributed with some showers 7 being provided with nozzle along its circumference, described steam-pipe 3 stretches into spray column from spray column 4 top, described endless tube 6 is coated with the steam-pipe 3 stretching into spray column 4, the lower wall of spray column 4 offers water outlet, spray column 4 is connected with the import of cooling tower 23 by the first water return pipeline 8 be connected with its water outlet, the outlet of cooling tower 23 is connected with pond 10 by the second water return pipeline 9, is supplied water to straight tube 5 by low-pressure pump and water supply line 11 in pond 10, in the present embodiment, steam-pipe 3 is provided with explosion trap 12, the structure of described explosion trap 12 is: comprise the tubular valve body 13 be communicated with steam-pipe 3, tubular valve body 13 is hinged with the cover plate 14 that can cover tubular valve body 13 upper orifice downwards, at the pin jointed end place of cover plate 14, limited block 15 is installed, when cover plate 14 upwards overturns, the limited block 15 at cover plate 14 pin jointed end place is just in time against on the outer side wall of tubular valve body 13, like this when the instantaneous increase of the pressure in steam-pipe 3, some vapor can from the direct exhaust vapour pipeline 3 of tubular valve body upper orifice of explosion trap 12, avoid causing damage to steam-pipe and spray column, simultaneously by the design of cover plate pin jointed end place limited block 15, cover plate 14 excessive outwards upset because the outside impulse force of steam of directly discharging from tubular valve body upper orifice is excessive can be avoided, further increase the operation stability of equipment, in the present embodiment, be provided with a root rubber sealed strip 16 at the upper orifice edge of tubular valve body 13, when cover plate 14 covers tubular valve body 13 upper orifice downwards, cover plate 14 is just in time pressed on rubber weather strip 16, can improve the stopping property of explosion trap so further, in the present embodiment, slag stewing lid 2 is combined on slag stewing hole 1 by water seal mechanism sealing cover, the structure of described water seal mechanism is: slag stewing hole 1 is provided with the aqua storage tank 18 that a circle is filled with water 17, in aqua storage tank 18, interval is provided with some cushion blocks 19 be immersed in water 17, a circle bulge loop 20 is integrally extended with downwards at the edge of slag stewing lid 2, when slag stewing lid 2 cover downwards slag stewing cheat 1 time, the bulge loop 20 of slag stewing lid 2 is just in time against on the cushion block 19 in aqua storage tank 18 downwards, above-mentioned water seal mechanism structure is simple, easy to operate, good airproof performance, in the present embodiment, be respectively arranged with water eliminator 21 in three sides in slag stewing hole 1, can prevent the water in slag stewing process in aqua storage tank 18 from splashing out and scald workman like this, eliminate potential safety hazard, in the present embodiment, slag stewing hole 1 is also arranged and can cheat to slag stewing the nitrogen purging mechanism 22 purging nitrogen in 1, better the flammable explosive gas such as the hydrogen be enriched in slag stewing hole 1 can be blown away from slag stewing hole 1 like this, prevent the flammable explosive gas such as hydrogen from cheating enrichment in 1 in slag stewing and blasting further, substantially increase equipment safety in operation, in actual applications, each slag stewing is adopted to cheat the using forestland configuring a spray column respectively, and then the unsafe factor effectively avoiding the mutual ribbon of steam in adjacent slag stewing hole, substantially increase safety in utilization.
Principle of work of the present invention is as follows:
Pond 10 is first made to be supplied water to the straight tube 5 in spray column 4 by low-pressure pump and water supply line 11, straight tube 5 is supplied water to shower 7 by endless tube 6, shower 7 is by the downward spray water of its nozzle, arranged by the cooperation of straight tube 5, endless tube 6 and shower 7, shower 7 can be made to water distribution uniformity in spray column 4, slag in slag stewing hole 1 can give out steam impure in a large number fetching water in efflorescence process of cooling, these steam can enter steam-pipe 3 through the air outlet of slag stewing lid sidewall, spray column 4 is entered again through steam-pipe 3, because steam-pipe 3 stretches in spray column 4, and endless tube 6 is coated with the steam-pipe 3 stretching into spray column 4, the steam-energy of spray column 4 is entered in uniform way by the outwards upwards loss of spray column center like this from steam-pipe 3, the steam-energy moved upward fully is contacted with the spray water sprayed for 7 times from shower, thus by steam and the complete adsorption treatment of impurity thereof, this steam-pipe 3 is high with the steam treatment efficiency of the decoration form of endless tube 6, to accumulate in after spray column 4 condensation process bottom spray column 4 and to enter the first water return pipeline 8 from the water outlet of spray column 4 lower wall, enter cooling tower 23 through the first water return pipeline 8 again to cool, enter pond 10 recycling through the second water return pipeline 9 again through the cooled backwater of cooling tower 23.The present invention has the advantage that the steam boiling in a covered pot over a slow fire rear generation to steel slag hot carries out effectively process.
Claims (6)
1. circulated sprinkling type steel slag hot boils in a covered pot over a slow fire equipment for steam treatment, comprise: in order to stack the slag stewing hole of slag, it is characterized in that: be stamped slag stewing lid at the top seal in slag stewing hole, the sidewall of slag stewing lid offers air outlet, slag stewing hole is connected with spray column by the steam-pipe be connected with slag stewing lid sidewall air outlet, some straight tubes are circumferentially distributed with in spray column, in spray column, from up to down the some endless tubes be connected with straight tube are installed at interval, every root endless tube is distributed with some showers being provided with nozzle along its circumference, described steam-pipe stretches into spray column from spray column top, described endless tube is coated with the steam-pipe stretching into spray column, the lower wall of spray column offers water outlet, spray column is connected with the import of cooling tower by the first water return pipeline be connected with its water outlet, the outlet of cooling tower is connected with pond by the second water return pipeline, is supplied water to straight tube by low-pressure pump and water supply line in pond.
2. circulated sprinkling type steel slag hot according to claim 1 boils in a covered pot over a slow fire equipment for steam treatment, it is characterized in that: on steam-pipe, explosion trap is installed, the structure of described explosion trap is: comprise the tubular valve body be connected with steam-pipe, tubular valve body is hinged with the cover plate that can cover tubular valve body upper orifice downwards, at the pin jointed end place of cover plate, limited block is installed, when cover plate upwards overturns, the limited block at cover plate pin jointed end place is just in time against on the outer side wall of tubular valve body.
3. circulated sprinkling type steel slag hot according to claim 2 boils in a covered pot over a slow fire equipment for steam treatment, it is characterized in that: the upper orifice edge of tubular valve body is provided with a root rubber sealed strip, when cover plate covers tubular valve body upper orifice downwards, cover plate is just in time pressed on rubber weather strip.
4. circulated sprinkling type steel slag hot according to claim 1 boils in a covered pot over a slow fire equipment for steam treatment, it is characterized in that: slag stewing lid is combined on slag stewing hole by water seal mechanism sealing cover, the structure of described water seal mechanism is: offer around slag stewing hole the aqua storage tank that a circle is filled with water, in aqua storage tank, interval is provided with some cushion blocks be immersed in water, a circle bulge loop is integrally extended with downwards at the edge of slag stewing lid, when slag stewing lid covers slag stewing hole downwards, the bulge loop of slag stewing lid is just in time against downwards on the cushion block in aqua storage tank.
5. circulated sprinkling type steel slag hot according to claim 4 boils in a covered pot over a slow fire equipment for steam treatment, it is characterized in that: around slag stewing hole, be provided with water eliminator.
6. circulated sprinkling type steel slag hot according to claim 1 boils in a covered pot over a slow fire equipment for steam treatment, it is characterized in that: also arranging on slag stewing hole can to the nitrogen purging mechanism purging nitrogen in slag stewing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410569548.8A CN104372121B (en) | 2014-10-23 | 2014-10-23 | Circulated sprinkling type steel slag hot boils in a covered pot over a slow fire equipment for steam treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410569548.8A CN104372121B (en) | 2014-10-23 | 2014-10-23 | Circulated sprinkling type steel slag hot boils in a covered pot over a slow fire equipment for steam treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104372121A true CN104372121A (en) | 2015-02-25 |
| CN104372121B CN104372121B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410569548.8A Active CN104372121B (en) | 2014-10-23 | 2014-10-23 | Circulated sprinkling type steel slag hot boils in a covered pot over a slow fire equipment for steam treatment |
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| CN (1) | CN104372121B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106544455A (en) * | 2017-02-06 | 2017-03-29 | 中冶华天南京工程技术有限公司 | A kind of portable casting residue single treatment device and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201136871Y (en) * | 2007-11-29 | 2008-10-22 | 武汉钢铁(集团)公司 | Environmental protection treatment device for circulating dregs |
| CN201825961U (en) * | 2010-09-08 | 2011-05-11 | 湘潭钢铁集团有限公司 | Fused pyrolytic steel slag exhaust device with blank cap |
| CN204151362U (en) * | 2014-10-23 | 2015-02-11 | 江苏永钢集团有限公司 | Circulated sprinkling type steel slag hot boils in a covered pot over a slow fire equipment for steam treatment |
-
2014
- 2014-10-23 CN CN201410569548.8A patent/CN104372121B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201136871Y (en) * | 2007-11-29 | 2008-10-22 | 武汉钢铁(集团)公司 | Environmental protection treatment device for circulating dregs |
| CN201825961U (en) * | 2010-09-08 | 2011-05-11 | 湘潭钢铁集团有限公司 | Fused pyrolytic steel slag exhaust device with blank cap |
| CN204151362U (en) * | 2014-10-23 | 2015-02-11 | 江苏永钢集团有限公司 | Circulated sprinkling type steel slag hot boils in a covered pot over a slow fire equipment for steam treatment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106544455A (en) * | 2017-02-06 | 2017-03-29 | 中冶华天南京工程技术有限公司 | A kind of portable casting residue single treatment device and method |
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| Publication number | Publication date |
|---|---|
| CN104372121B (en) | 2016-08-24 |
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