CN104372119A - Spray-type steel slag hot soaking cover explosion-proof steam treatment device - Google Patents
Spray-type steel slag hot soaking cover explosion-proof steam treatment device Download PDFInfo
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- CN104372119A CN104372119A CN201410569329.XA CN201410569329A CN104372119A CN 104372119 A CN104372119 A CN 104372119A CN 201410569329 A CN201410569329 A CN 201410569329A CN 104372119 A CN104372119 A CN 104372119A
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- slag
- spray
- steam
- explosion
- stewing
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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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2200/00—Recycling of non-gaseous waste material
-
- 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)
- Commercial Cooking Devices (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses a spray-type steel slag hot soaking cover explosion-proof steam treatment device which comprises a slag soaking pit, wherein a slag soaking cover is covered on the top of the slag soaking pit in a seal mode; the side wall of the slag soaking cover is provided with a gas outlet; the slag soaking pit is communicated with a steam inlet of a steam condenser through a steam conduit; the steam condenser is communicated with a gas inlet of a spray tower; the top of the slag soaking cover is provided with at least one gas outlet; each gas outlet of the slag soaking cover is communicated with the spray tower respectively through a gas eduction pipe; all the gas eduction pipes are arranged in a gradual elevation mode; a plurality of spray layers capable of spraying downwards are sequentially arranged in the spray tower from top to bottom at intervals; and water of all the spray layers is supplied by a high-pressure water system. The spray-type steel slag hot soaking cover explosion-proof steam treatment device can efficiently treat the steam after steel slag hot soaking, and can prevent the phenomenon of pit explosion.
Description
Technical field
The present invention relates to the explosion-proof equipment for steam treatment of the stewing lid of spray-type steel slag hot.
Background technology
In steel-making industry, the slag after steel-making is generally all first stacked in slag stewing hole, then by efflorescence cooling of 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 a kind of steam boiling in a covered pot over a slow fire rear generation to steel slag hot effectively process and the explosion-proof equipment for steam treatment of the stewing lid of spray-type steel slag hot that quick-fried hole phenomenon occurs can be prevented.
For achieving the above object, present invention employs following technical scheme: the explosion-proof equipment for steam treatment of the stewing lid of described spray-type steel slag hot, comprise: in order to stack the slag stewing hole of slag, slag stewing lid is stamped at the top seal in slag stewing hole, air outlet is offered at the sidewall of slag stewing lid, slag stewing hole is connected with the steam inlet of steam condenser by the steam-pipe be connected with slag stewing lid sidewall air outlet, the vapour outlet of steam condenser is connected with the inlet mouth of spray tower, a production well is at least offered at the top of slag stewing lid, each production well of slag stewing lid is connected with spray tower respectively by gas fairlead, all gas fairlead is all in the trend mounting arrangements raised gradually, the spraying layer that some layers can be sprayed from up to down is arranged at intervals with successively downwards in spray tower, all spraying layers are supplied water by high pressure water system.
Further, the explosion-proof equipment for steam treatment of the stewing lid of aforesaid spray-type steel slag hot, wherein: every layer of spraying layer is made up of the injection spray pipe that some are provided with atomizing nozzle, and all injection spray pipes are connected with the water supply line being communicated with high pressure water system simultaneously.
Further, the explosion-proof equipment for steam treatment of the stewing lid of aforesaid spray-type steel slag hot, wherein: in spray tower, the below of every layer of spraying layer is separately installed with mesh plate.
Further, the explosion-proof equipment for steam treatment of the stewing lid of aforesaid spray-type steel slag hot, wherein: in the lower wall of spray tower, offer water outlet, spray tower is communicated with backwater ditch by the water return pipeline be connected with its water outlet.
Further, the explosion-proof equipment for steam treatment of the stewing lid of aforesaid spray-type steel slag hot, wherein: on steam-pipe, be provided with explosion trap, 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, the explosion-proof equipment for steam treatment of the stewing lid of aforesaid spray-type steel slag hot, wherein: the upper orifice edge of tubular valve body is provided with a circle rubber weather strip, when cover plate covers tubular valve body upper orifice downwards, cover plate is just in time pressed on rubber weather strip.
Further, the explosion-proof equipment for steam treatment of the stewing lid of aforesaid spray-type steel slag hot, wherein: spray tower is installed on the top of cloudy well, the bottom in spray tower is provided with the sleeve pipe be connected with cloudy well, and the overhead height of sleeve pipe is higher than the height of spray tower lower wall upper water-out mouth.
Further, the explosion-proof equipment for steam treatment of the stewing lid of aforesaid spray-type steel slag hot, 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 slag stewing lid edge, 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, the explosion-proof equipment for steam treatment of the stewing lid of aforesaid spray-type steel slag hot, wherein: around slag stewing hole, be provided with water eliminator.
Further, the explosion-proof equipment for steam treatment of the stewing lid of aforesaid spray-type steel slag hot, 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 steam boiling in a covered pot over a slow fire rear generation to steel slag hot and effectively processes and effectively can prevent the enrichment and the advantage in quick-fried hole occurs in slag stewing hole of the flammable explosive gas such as the hydrogen produced in slag stewing process.
Accompanying drawing explanation
Fig. 1 is the structural representation of the explosion-proof equipment for steam treatment of the stewing lid of spray-type steel slag hot of the present invention.
Fig. 2 is the structural representation of the spray tower shown in Fig. 1.
Fig. 3 is the structural representation of the explosion trap shown in Fig. 1.
Fig. 4 is the enlarged diagram at the position of H shown in Fig. 3.
Fig. 5 is the enlarged diagram at the I position shown in Fig. 3.
Fig. 6 is the principle of work schematic diagram of the explosion-proof equipment for steam treatment of the stewing lid of spray-type steel slag hot of the present invention.
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, shown in Fig. 6, the explosion-proof equipment for steam treatment of the stewing lid of described spray-type steel slag hot, 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, air outlet is offered at the sidewall of slag stewing lid 2, slag stewing hole 1 is connected with the steam inlet of steam condenser 4 by the steam-pipe 3 be connected with slag stewing lid sidewall air outlet, the vapour outlet of steam condenser 4 is connected with the inlet mouth of spray tower 5, five production wells 6 are offered at the top of slag stewing lid 2, each production well 6 of slag stewing lid 2 is connected with spray tower 5 respectively by gas fairlead 7, all gas fairlead 7 is all in the trend mounting arrangements raised gradually, the retention areas not having the flammable explosive gas such as hydrogen in gas fairlead 7 and slag stewing hole 1 can be made like this, guarantee that the hydrogen of drawing in slag stewing hole 1 successfully can enter spray tower 5 along gas fairlead 7, avoid the enrichment in gas fairlead 7 and slag stewing hole 1 of the flammable explosive gas such as hydrogen and blast, substantially increase device security performance, in spray tower 5, be from up to down arranged at intervals with the spraying layer 10 that some layers can be sprayed successively downwards, all spraying layers 10 are supplied water by high pressure water system 11, in the present embodiment, every layer of spraying layer 10 is made up of the injection spray pipe that some are provided with atomizing nozzle, and all injection spray pipes are connected with the water supply line 12 being communicated with high pressure water system 11 simultaneously, and above-mentioned spraying Rotating fields is simple, easy for installation, in the present embodiment, in spray tower 5, the below of every layer of spraying layer 10 is separately installed with mesh plate 13, and the steam entering spray tower 5 through connecting tube 14 can be made like this to be more evenly distributed in spray tower 5, in the present embodiment, the lower wall of spray tower 5 offers water outlet, spray tower 5 is communicated with backwater ditch 16 by the water return pipeline 15 be connected with its water outlet, can carry out recycling like this to the water in spray tower 5, in the present embodiment, steam-pipe 3 is provided with explosion trap 17, the structure of described explosion trap 17 is: comprise the tubular valve body 18 be connected with steam-pipe 3, tubular valve body 18 is hinged with the cover plate 19 that can cover tubular valve body 18 upper orifice downwards, at the pin jointed end place of cover plate 19, limited block 20 is installed, when cover plate 19 upwards overturns, the limited block 20 at cover plate pin jointed end place is just in time against on the outer side wall of tubular valve body 18, 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 18 upper orifice of explosion trap 15, avoid steam-pipe 3, steam condenser 4 and spray tower 5 cause damage, and the setting of the limited block 20 by explosion trap 15, cover plate 18 excessive outwards upset because the outside impulse force of steam of directly discharging from tubular valve body 18 upper orifice of explosion trap 15 is excessive can be avoided, further increase the operation stability of equipment, in the present embodiment, the upper orifice edge of tubular valve body 18 is provided with a circle rubber weather strip 21, when cover plate 19 covers pipe type valve 18 body upper orifice downwards, cover plate 19 is just in time pressed on rubber weather strip 21, improves the stopping property of explosion trap, in the present embodiment, spray tower 5 is installed on the top of cloudy well 22, bottom in spray tower 5 is provided with the sleeve pipe 23 be connected with cloudy well 22, the overhead height of sleeve pipe 23 is higher than the height of spray tower lower wall upper water-out mouth, like this when the ponding in spray tower 5 is higher than sleeve pipe 23, ponding can directly be drained from sleeve pipe 23 ease Zhiyin wells 22, avoids water excessive ponding in spray tower 5, substantially increases stable equipment operation and the security of spray tower 5, 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: offer around slag stewing hole 1 aqua storage tank 24 that a circle is filled with water, in aqua storage tank 24, interval is provided with some cushion blocks 25 be immersed in water, a circle bulge loop 26 is integrally extended with downwards at slag stewing lid 2 edge, when slag stewing lid 2 cover downwards slag stewing cheat 1 time, the bulge loop 26 of slag stewing lid 2 is just in time against on the cushion block 25 in aqua storage tank 24 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 27 in three sides in slag stewing hole 1, can prevent the water in slag stewing process in slag stewing lid 2 place water seal mechanism 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 28 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 steam condenser and a spray tower respectively, thus the unsafe factor that the steam effectively avoiding the shared steam condenser in adjacent slag stewing hole or spray tower to cause is gone here and there mutually and brought, substantially increase safety in utilization.
Principle of work of the present invention is as follows:
Slag in slag stewing hole 1 is being fetched water in efflorescence process of cooling, a large amount of steam containing flammable explosive gas such as hydrogen can be given out, the flammable explosive gas such as the hydrogen that these steam Midst density are lighter can to slag stewing lid 2 top movements, and enter gas fairlead 7 from slag stewing lid 2 top production well 6, enter spray tower 5 from gas fairlead 7 again, because gas fairlead 7 is in the trend mounting arrangements raised gradually, make the flammable explosive gas such as hydrogen successfully can enter spray tower 5 along gas fairlead 7, and can not be detained in gas fairlead 7 and slag stewing hole 1, thus avoid the enrichment and blasting in gas fairlead 7 of the flammable explosive gas such as hydrogen, steel slag hot is boiled in a covered pot over a slow fire the air outlet of most of steam then on slag stewing lid 2 sidewall produced in process and is entered steam-pipe 3 and enter in steam condenser 4 through steam-pipe 3 and carry out condensation, the steam major part entering steam condenser 4 can be condensed and dispose, small part steam then enters spray tower 5 and bottom-up movement spray tower 5 through the vapour outlet of steam condenser 4 from the bottom of spray tower 5, after this small part steam enters spray tower 5, high pressure water system 11 can make spraying layer 10 atomized water spray downwards by water supply line 12, the water smoke of lower spray fully can contact with the steam moved upward, thus this some vapor is disposed completely, meanwhile, the steam entering spray tower 5 from gas fairlead 7 also can be fallen by spray tower 5 condensation process, steam after spray tower 5 condensation process can condense into the bottom that water accumulates in spray tower 5, after the liquid level of the water gathered arrives the water outlet position of spray tower 5, the water accumulated in spray tower 5 can flow into backwater ditch from water outlet, and the water avoided in spray tower 5 is assembled too much, when exceeding the height of sleeve pipe 23 when the water excess gathered in spray tower 5, this part of water higher than sleeve pipe 23 also can enter cloudy well array through sleeve pipe 23 and walk, and further ensures the job stability of spray tower.The present invention has the steam boiling in a covered pot over a slow fire rear generation to steel slag hot and effectively processes and effectively can prevent the flammable explosive gas such as the hydrogen produced in slag stewing process enrichment and advantage of blasting in slag stewing hole.
Claims (10)
1. the explosion-proof equipment for steam treatment of the stewing lid of spray-type steel slag hot, 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, air outlet is offered at the sidewall of slag stewing lid, slag stewing hole is connected with the steam inlet of steam condenser by the steam-pipe be connected with slag stewing lid sidewall air outlet, the vapour outlet of steam condenser is connected with the inlet mouth of spray tower, a production well is at least offered at the top of slag stewing lid, each production well of slag stewing lid is connected with spray tower respectively by gas fairlead, all gas fairlead is all in the trend mounting arrangements raised gradually, the spraying layer that some layers can be sprayed from up to down is arranged at intervals with successively downwards in spray tower, all spraying layers are supplied water by high pressure water system.
2. the explosion-proof equipment for steam treatment of the stewing lid of spray-type steel slag hot according to claim 1, it is characterized in that: every layer of spraying layer is made up of the injection spray pipe that some are provided with atomizing nozzle, and all injection spray pipes are connected with the water supply line being communicated with high pressure water system simultaneously.
3. the explosion-proof equipment for steam treatment of the stewing lid of spray-type steel slag hot according to claim 1, is characterized in that: in spray tower, the below of every layer of spraying layer is separately installed with mesh plate.
4. the explosion-proof equipment for steam treatment of the stewing lid of spray-type steel slag hot according to claim 1, is characterized in that: in the lower wall of spray tower, offer water outlet, and spray tower is communicated with backwater ditch by the water return pipeline be connected with its water outlet.
5. the explosion-proof equipment for steam treatment of the stewing lid of spray-type steel slag hot according to claim 1, it is characterized in that: on steam-pipe, be provided with explosion trap, 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.
6. the explosion-proof equipment for steam treatment of the stewing lid of spray-type steel slag hot according to claim 5, it is characterized in that: the upper orifice edge of tubular valve body is provided with a circle rubber weather strip, when cover plate covers tubular valve body upper orifice downwards, cover plate is just in time pressed on rubber weather strip.
7. the explosion-proof equipment for steam treatment of the stewing lid of spray-type steel slag hot according to claim 1, it is characterized in that: spray tower is installed on the top of cloudy well, bottom in spray tower is provided with the sleeve pipe be connected with cloudy well, and the overhead height of sleeve pipe is higher than the height of spray tower lower wall upper water-out mouth.
8. the explosion-proof equipment for steam treatment of the stewing lid of spray-type steel slag hot according to claim 1, 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 slag stewing lid edge, 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.
9. the explosion-proof equipment for steam treatment of the stewing lid of spray-type steel slag hot according to claim 8, is characterized in that: around slag stewing hole, be provided with water eliminator.
10. the explosion-proof equipment for steam treatment of the stewing lid of spray-type steel slag hot according to claim 1, 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 |
|---|---|---|---|
| CN201410569329.XA CN104372119B (en) | 2014-10-23 | 2014-10-23 | Aerosol type steel slag hot is stewing covers explosion-proof equipment for steam treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410569329.XA CN104372119B (en) | 2014-10-23 | 2014-10-23 | Aerosol type steel slag hot is stewing covers explosion-proof equipment for steam treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104372119A true CN104372119A (en) | 2015-02-25 |
| CN104372119B CN104372119B (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410569329.XA Active CN104372119B (en) | 2014-10-23 | 2014-10-23 | Aerosol type steel slag hot is stewing covers explosion-proof equipment for steam treatment |
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| CN (1) | CN104372119B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106397289A (en) * | 2016-11-30 | 2017-02-15 | 湖南福尔程环保科技有限公司 | Energy-saving environment-friendly sodium dimethyldithiocarbamate production device and production method |
| CN112280912A (en) * | 2020-09-23 | 2021-01-29 | 鞍钢集团工程技术有限公司 | Pit cover tipping device |
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| CN201136871Y (en) * | 2007-11-29 | 2008-10-22 | 武汉钢铁(集团)公司 | Environmental protection treatment device for circulating dregs |
| CN101591717A (en) * | 2008-05-29 | 2009-12-02 | 宝山钢铁股份有限公司 | Steel slag hot disintegrating device |
| CN101967533A (en) * | 2010-08-23 | 2011-02-09 | 中冶建筑研究总院有限公司 | Rotary steam exhaust and dust removal method and device for hot closed delve device |
| 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 |
| CN204151361U (en) * | 2014-10-23 | 2015-02-11 | 江苏永钢集团有限公司 | The explosion-proof equipment for steam treatment of the stewing lid of spray-type steel slag hot |
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2014
- 2014-10-23 CN CN201410569329.XA patent/CN104372119B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201136871Y (en) * | 2007-11-29 | 2008-10-22 | 武汉钢铁(集团)公司 | Environmental protection treatment device for circulating dregs |
| CN101591717A (en) * | 2008-05-29 | 2009-12-02 | 宝山钢铁股份有限公司 | Steel slag hot disintegrating device |
| CN101967533A (en) * | 2010-08-23 | 2011-02-09 | 中冶建筑研究总院有限公司 | Rotary steam exhaust and dust removal method and device for hot closed delve device |
| 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 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106397289A (en) * | 2016-11-30 | 2017-02-15 | 湖南福尔程环保科技有限公司 | Energy-saving environment-friendly sodium dimethyldithiocarbamate production device and production method |
| CN106397289B (en) * | 2016-11-30 | 2018-02-23 | 湖南福尔程环保科技有限公司 | The process units and its production method of a kind of Sodium Dimethyldithiocarbamate |
| CN112280912A (en) * | 2020-09-23 | 2021-01-29 | 鞍钢集团工程技术有限公司 | Pit cover tipping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104372119B (en) | 2016-07-13 |
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