CN104372119B - Aerosol type steel slag hot is stewing covers explosion-proof equipment for steam treatment - Google Patents
Aerosol type steel slag hot is stewing covers explosion-proof equipment for steam treatment Download PDFInfo
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- CN104372119B CN104372119B CN201410569329.XA CN201410569329A CN104372119B CN 104372119 B CN104372119 B CN 104372119B CN 201410569329 A CN201410569329 A CN 201410569329A CN 104372119 B CN104372119 B CN 104372119B
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- stewing
- slag
- spray tower
- steam
- lid
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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
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- 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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- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Commercial Cooking Devices (AREA)
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Abstract
The invention discloses the stewing explosion-proof equipment for steam treatment of lid of aerosol type steel slag hot, including: slag stewing is cheated, seal at the top in slag stewing hole and be stamped slag stewing lid, slag stewing lid sidewall offers gas outlet, slag stewing hole is connected by the steam inlet of jet chimney with steam condenser, steam condenser is connected with the air inlet of spray tower, a venthole is at least offered at the top of slag stewing lid, each venthole of slag stewing lid is connected with spray tower respectively through gas fairlead, all gas fairlead is all in the trend mounting arrangements gradually risen, the spraying layer that some layers can be sprayed downwards from up to down it is interval with successively in spray tower, all spraying layers are supplied water by high pressure water system.The present invention has the advantage that can be effectively treated and can prevent quick-fried hole phenomenon from occurring steel slag hot steam after stewing.
Description
Technical field
The present invention relates to the stewing explosion-proof equipment for steam treatment of lid of aerosol type steel slag hot.
Background technology
In steel-making industry, the slag after steel-making is generally all first stacked in cheating to slag stewing, again through efflorescence cooling of periodically fetching water in cheating to slag stewing, thus reaching to cool down slag the purpose of efflorescence；But slag can give out a large amount of steam containing flammable explosive gas such as hydrogen in cooling procedure, and these steam are all directly drain in air at present, largely effect on ambient air quality.
Summary of the invention
It is an object of the invention to provide a kind of steam that produce after steel slag hot can be boiled in a covered pot over a slow fire and be effectively treated and can prevent the stewing explosion-proof equipment for steam treatment of lid of aerosol type steel slag hot that quick-fried hole phenomenon occurs.
For achieving the above object, present invention employs following technical scheme: described aerosol type steel slag hot is stewing covers explosion-proof equipment for steam treatment, including: the slag stewing in order to stack slag is cheated, seal at the top in slag stewing hole and be stamped slag stewing lid, sidewall at slag stewing lid offers gas outlet, slag stewing hole is connected with the steam inlet of steam condenser by the jet chimney being connected with slag stewing lid sidewall gas outlet, the steam (vapor) outlet of steam condenser is connected with the air inlet of spray tower, a venthole is at least offered at the top of slag stewing lid, each venthole of slag stewing lid is connected with spray tower respectively through gas fairlead, all gas fairlead is all in the trend mounting arrangements gradually risen, the spraying layer that some layers can be sprayed downwards from up to down it is sequentially arranged at intervals with in spray tower, all spraying layers are supplied water by high pressure water system.
Further, aforesaid aerosol type steel slag hot is stewing covers explosion-proof equipment for steam treatment, wherein: every layer of spraying layer is made up of the some injection spray pipes being provided with atomizer, and all injection spray pipes are connected with the water supply line of connection high pressure water system simultaneously.
Further, aforesaid aerosol type steel slag hot is stewing covers explosion-proof equipment for steam treatment, wherein: in spray tower, the lower section of every layer of spraying layer is separately installed with mesh plate.
Further, aforesaid aerosol type steel slag hot is stewing covers explosion-proof equipment for steam treatment, wherein: in the lower wall of spray tower, offer outlet, and the spray tower water return pipeline connection backwater ditch by being connected with its outlet.
Further, aforesaid aerosol type steel slag hot is stewing covers explosion-proof equipment for steam treatment, wherein: on jet chimney, be provided with explosion-proof valve, the structure of described explosion-proof valve is: include the tubular valve body being connected with jet chimney, tubular valve body is hinged with the cover plate that can cover downwards tubular valve body upper orifice, being provided with limited block at the hinged end place of cover plate, when cover plate is flipped up, the limited block at cover plate hinged end place is just against on the lateral wall of tubular valve body.
Further, aforesaid aerosol type steel slag hot is stewing covers explosion-proof equipment for steam treatment, and wherein: the upper orifice edge of tubular valve body is provided with a circle rubber weather strip, when cover plate covers downwards tubular valve body upper orifice, cover plate is just pressed on rubber weather strip.
Further, aforesaid aerosol type steel slag hot is stewing covers explosion-proof equipment for steam treatment, wherein: spray tower is installed on the top of cloudy well, the bottom in spray tower is provided with the sleeve pipe being 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, aforesaid aerosol type steel slag hot is stewing covers explosion-proof equipment for steam treatment, wherein: slag stewing lid is sealed by water seal mechanism and covers on slag stewing is cheated, the structure of described water seal mechanism is: offers a circle around slag stewing hole and is filled with the aqua storage tank of water, in aqua storage tank, interval is provided with some cushion blocks being immersed in water, integrally being extended with downwards a circle bulge loop at slag stewing lid edge, when slag stewing lid covers downwards slag stewing hole, the bulge loop of slag stewing lid is just against downwards on the cushion block in aqua storage tank.
Further, aforesaid aerosol type steel slag hot is stewing covers explosion-proof equipment for steam treatment, wherein: be provided around water fender what slag stewing was cheated.
Further, aforesaid aerosol type steel slag hot is stewing covers explosion-proof equipment for steam treatment, wherein: also set up the nitrogen blowing mechanism that can purge nitrogen in slag stewing is cheated on slag stewing is cheated.
By the enforcement of technique scheme, the present invention has the flammable explosive gas such as the hydrogen that can be effectively treated and can effectively prevent in slag stewing process to the steam that steel slag hot produces after stewing to produce and is enriched with in slag stewing hole and advantage that quick-fried hole occurs.
Accompanying drawing explanation
Fig. 1 is the stewing structural representation covering explosion-proof equipment for steam treatment of aerosol 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-proof valve shown in Fig. 1.
Fig. 4 is the enlarged diagram at H position shown in Fig. 1.
Fig. 5 is the enlarged diagram at the I position shown in Fig. 1.
Fig. 6 is the stewing operation principle schematic diagram covering explosion-proof equipment for steam treatment of aerosol type steel slag hot of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
nullSuch as Fig. 1、Fig. 2、Fig. 3、Fig. 4、Fig. 5、Shown in Fig. 6，Described aerosol type steel slag hot is stewing covers explosion-proof equipment for steam treatment，Including: the slag stewing in order to stack slag cheats 1，Slag stewing lid 2 is stamped in the top sealing cheating 1 in slag stewing，Sidewall at slag stewing lid 2 offers gas outlet，Slag stewing hole 1 is connected with the steam inlet of steam condenser 4 by the jet chimney 3 being connected with slag stewing lid sidewall gas outlet，The steam (vapor) outlet of steam condenser 4 is connected with the air inlet of spray tower 5，Five ventholes 6 are offered at the top of slag stewing lid 2，Each venthole 6 of slag stewing lid 2 is connected with spray tower 5 respectively through gas fairlead 7，All gas fairlead 7 is all in the trend mounting arrangements gradually risen，So can make the retention areas not having the flammable explosive gas such as hydrogen in gas fairlead 7 and slag stewing hole 1，Guarantee that cheating, from slag stewing, the hydrogen drawn in 1 successfully can enter spray tower 5 along gas fairlead 7，Avoid cheating enrichment in 1 at gas fairlead 7 and slag stewing and blasting of the flammable explosive gas such as hydrogen，Substantially increase device security energy；From up to down being sequentially arranged at intervals with the spraying layer 10 that some layers can be sprayed downwards in spray tower 5, 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 some injection spray pipes being provided with atomizer, and all injection spray pipes are connected with the water supply line 12 of connection 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 lower section of every layer of spraying layer 10 is separately installed with mesh plate 13, so can make to be connected pipeline 14 and enter the steam of spray tower 5 and be more evenly distributed in spray tower 5；In the present embodiment, offering outlet in the lower wall of spray tower 5, spray tower 5 connects backwater ditch 16 by the water return pipeline 15 being connected with its outlet, so the water in spray tower 5 can be carried out recycling；nullIn the present embodiment，Jet chimney 3 is provided with explosion-proof valve 17，The structure of described explosion-proof valve 17 is: include the tubular valve body 18 being connected with jet chimney 3，Tubular valve body 18 is hinged with the cover plate 19 that can cover downwards tubular valve body 18 upper orifice，At the hinged end place of cover plate 19, limited block 20 is installed，When cover plate 19 is flipped up，The limited block 20 at cover plate hinged end place is just against on the lateral wall of tubular valve body 18，So when the instantaneous increase of the pressure in jet chimney 3，Some vapor can be expelled directly out jet chimney 3 from tubular valve body 18 upper orifice of explosion-proof valve 15，Avoid jet chimney 3、Steam condenser 4 and spray tower 5 cause damage，And the setting by the limited block 20 of explosion-proof valve 15，It is avoided that cover plate 19 excessive outwards upset because the outside impulse force of steam that is expelled directly out from tubular valve body 18 upper orifice of explosion-proof valve 15 is excessive，Further increase the operation stability of equipment；In the present embodiment, the upper orifice edge of tubular valve body 18 being provided with a circle rubber weather strip 21, when cover plate 19 covers downwards pipe type valve 18 body upper orifice, cover plate 19 is just pressed on rubber weather strip 21, improves the sealing of explosion-proof valve；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 being 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, so when the hydrops in spray tower 5 is higher than sleeve pipe 23, hydrops can directly from 23 ease Zhiyin wells 22 of sleeve pipe and drain, it is to avoid water is excessive hydrops in spray tower 5, substantially increases stable equipment operation and the safety of spray tower 5；In the present embodiment, slag stewing lid 2 seals by water seal mechanism to cover cheats on 1 in slag stewing, the structure of described water seal mechanism is: offers a circle around slag stewing hole 1 and is filled with the aqua storage tank 24 of water, in aqua storage tank 24, interval is provided with some cushion blocks 25 being immersed in water, a circle bulge loop 26 integrally it is 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 against downwards on the cushion block 25 in aqua storage tank 24, above-mentioned water seal mechanism simple in construction, easy to operate, good airproof performance；In the present embodiment, three sides cheating 1 in slag stewing are respectively arranged with water fender 27, and the water that so can prevent in slag stewing lid 2 place water seal mechanism in slag stewing process splashes out and scalds workman, eliminates potential safety hazard；In the present embodiment, cheat to also set up on 1 in slag stewing and slag stewing can be cheated the nitrogen blowing mechanism 28 purging nitrogen in 1, so better the flammable explosive gas such as the hydrogen being enriched in slag stewing hole 1 can be cheated from slag stewing and blow away 1, 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 hole is adopted to be respectively configured the use pattern of a steam condenser and a spray tower, share the steam that a steam condenser or spray tower cause go here and there mutually and the unsafe factor that brings thus being prevented effectively from adjacent slag stewing hole, substantially increase safety in utilization.
The operation principle of the present invention is as follows:
Slag in slag stewing hole 1 is in efflorescence cooling procedure of fetching water, 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 venthole 6, enter spray tower 5 from gas fairlead 7 again, owing to gas fairlead 7 is in the trend mounting arrangements gradually risen, make the flammable explosive gas such as hydrogen successfully can enter spray tower 5 along gas fairlead 7, it is detained without cheating in 1 at gas fairlead 7 and slag stewing, it is enriched with in gas fairlead 7 thus avoiding the flammable explosive gas such as hydrogen and blasts；The most of steam then gas outlet on slag stewing lid 2 sidewall produced in the stewing process of steel slag hot enters jet chimney 3 entering in steam condenser 4 through jet chimney 3 and condenses；The steam major part of entrance steam condenser 4 can be condensed and dispose, small part steam then enters spray tower 5 bottom-up movement spray tower 5 through the steam (vapor) 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 the downward atomized water spray of spraying layer 10 by water supply line 12, the water smoke of lower spray can be fully contacted with the steam moved upward, thus this some vapor is disposed completely, meanwhile, enter the steam of spray tower 5 from gas fairlead 7 to be also atomized tower 5 condensation process and fall；Steam after spray tower 5 condensation process can condense into water and accumulate in the bottom of spray tower 5, after the liquid level of the water gathered arrives the outlet position of spray tower 5, accumulate in the water in spray tower 5 and can flow into backwater ditch from outlet, it is to avoid the water 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, also can enter cloudy well array through sleeve pipe 23 higher than this part of water of sleeve pipe 23 and walk, further ensure the job stability of spray tower.The present invention has the flammable explosive gas such as the hydrogen that can be effectively treated and can effectively prevent in slag stewing process to the steam that steel slag hot produces after stewing to produce and is enriched with in slag stewing hole and the advantage blasted.
Claims (9)
- null1. aerosol type steel slag hot is stewing covers explosion-proof equipment for steam treatment，Including: the slag stewing in order to stack slag is cheated，It is characterized in that: seal at the top in slag stewing hole and be stamped slag stewing lid，Sidewall at slag stewing lid offers gas outlet，Slag stewing hole is connected with the steam inlet of steam condenser by the jet chimney being connected with slag stewing lid sidewall gas outlet，The steam (vapor) outlet of steam condenser is connected with the air inlet of spray tower，A venthole is at least offered at the top of slag stewing lid，Each venthole of slag stewing lid is connected with spray tower respectively through gas fairlead，All gas fairlead is all in the trend mounting arrangements gradually risen，The spraying layer that some layers can be sprayed downwards from up to down it is sequentially arranged at intervals with in spray tower，All spraying layers are supplied water by high pressure water system，Jet chimney is provided with explosion-proof valve，The structure of described explosion-proof valve is: include the tubular valve body being connected with jet chimney，Tubular valve body is hinged with the cover plate that can cover downwards tubular valve body upper orifice，At the hinged end place of cover plate, limited block is installed，When cover plate is flipped up，The limited block at cover plate hinged end place is just against on the lateral wall of tubular valve body.
- 2. aerosol type steel slag hot according to claim 1 is stewing covers explosion-proof equipment for steam treatment, it is characterised in that: every layer of spraying layer is made up of the some injection spray pipes being provided with atomizer, and all injection spray pipes are connected with the water supply line of connection high pressure water system simultaneously.
- 3. aerosol type steel slag hot according to claim 1 is stewing covers explosion-proof equipment for steam treatment, it is characterised in that: in spray tower, the lower section of every layer of spraying layer is separately installed with mesh plate.
- 4. aerosol type steel slag hot according to claim 1 is stewing covers explosion-proof equipment for steam treatment, it is characterised in that: in the lower wall of spray tower, offer outlet, the spray tower water return pipeline connection backwater ditch by being connected with its outlet.
- 5. aerosol type steel slag hot according to claim 1 is stewing covers explosion-proof equipment for steam treatment, 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 downwards tubular valve body upper orifice, cover plate is just pressed on rubber weather strip.
- 6. aerosol type steel slag hot according to claim 1 is stewing covers explosion-proof equipment for steam treatment, 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 being 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.
- 7. aerosol type steel slag hot according to claim 1 is stewing covers explosion-proof equipment for steam treatment, it is characterized in that: slag stewing lid is sealed by water seal mechanism and covers on slag stewing is cheated, the structure of described water seal mechanism is: offers a circle around slag stewing hole and is filled with the aqua storage tank of water, in aqua storage tank, interval is provided with some cushion blocks being immersed in water, a circle bulge loop integrally it is extended with downwards at slag stewing lid edge, when slag stewing lid covers downwards slag stewing hole, the bulge loop of slag stewing lid is just against downwards on the cushion block in aqua storage tank.
- 8. aerosol type steel slag hot according to claim 7 is stewing covers explosion-proof equipment for steam treatment, it is characterised in that: it is provided around water fender what slag stewing was cheated.
- 9. aerosol type steel slag hot according to claim 1 is stewing covers explosion-proof equipment for steam treatment, it is characterised in that: on slag stewing is cheated, also set up the nitrogen blowing mechanism that purge nitrogen in slag stewing can be cheated.
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 |
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| 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 |
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| CN104372119A CN104372119A (en) | 2015-02-25 |
| CN104372119B true CN104372119B (en) | 2016-07-13 |
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| 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 |
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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 |
-
2014
- 2014-10-23 CN CN201410569329.XA patent/CN104372119B/en active Active
Patent Citations (5)
| 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 |
| 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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