CN109022647A - A kind of bottom filter method Water ramjet+ and process - Google Patents
A kind of bottom filter method Water ramjet+ and process Download PDFInfo
- Publication number
- CN109022647A CN109022647A CN201810894384.4A CN201810894384A CN109022647A CN 109022647 A CN109022647 A CN 109022647A CN 201810894384 A CN201810894384 A CN 201810894384A CN 109022647 A CN109022647 A CN 109022647A
- Authority
- CN
- China
- Prior art keywords
- water
- slag
- tower
- pulp
- separative unit
- Prior art date
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Classifications
-
- 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
- C21B3/08—Cooling slag
-
- 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
Abstract
The invention discloses a kind of bottom filter method Water ramjet+ and processes; the system includes slag water quenching granulating device, steam condensation dehumidification tower, pulp water separative unit, mobile vapour collect cover, grabs slag equipment and circulating water cooling system automatically; the slag water quenching granulating device is connect by grain slag irrigation canals and ditches with pulp water separative unit; the bottom of pulp water separative unit is provided with hot-tub; it is provided with filter plate above hot-tub, mobile vapour collect cover is installed at the top of pulp water separative unit；Automatically the top that pulp water separative unit is arranged in slag equipment is grabbed, for grabbing treated slag charge.The water quenching of field of metallurgy high temperature furnace slag, granulated processed are adapted to using the process that above system is handled, is specially adapted to water quenching, granulation, the pulp water separation, steam condensation dehumidification demisting of the fused solution slags such as blast furnace, fusion reducing furnace.
Description
Technical field
The invention belongs to waste environmental protection treatment technical fields, and in particular to a kind of water quenching and slag-water separation system.
Background technique
Domestic blast furnace ironmaking furnace slag granulating processing has Mechanical Method and bottom filter method two ways.Mechanical Method is not done in the presence of filtering
Only, the disadvantages of system failure rate height, repair and maintenance heavy workload, operating cost is high, and one-time investment is high.And method is filtered at existing bottom
Grain slag has the disadvantage in that 1. slag water quenching irrigation canals and ditches, filtering ponds top steam diffuse, and cause serious pollution to the environment；2. filtering layer is hardened tight
Weight, replacement difficulty is big, influences the rhythm of production of blast furnace；3. needing manually to grab slag, the degree of automation is low；4. level sensing is not in pond
It is quasi-, it is difficult to realize chain control, cause equipment fault, systemic breakdown；5. thickness of filter bed is big, need a large amount of cobblestones, construction and
Production maintenance results in waste of resources.
Summary of the invention
It is an object of the invention to provide a kind of environmentally friendly, intelligence novel bottom filter for the deficiency of Mechanical Method and bottom filter method
Method Water ramjet+ and process, it is suitable for the water quenchings of field of metallurgy high-temperature fusion liquid slag, granulated processed, especially adapt to
It is separated in the Water Quenching and pulp water of the blast furnace slags such as blast furnace, fusion reducing furnace.
Method Water ramjet+ is filtered at a kind of bottom, including slag water quenching granulation-steam condensation dehumidification tower, pulp water separative unit,
Mobile vapour collect cover grabs slag equipment and circulating water cooling system automatically；The slag water quenching granulating device by grain slag irrigation canals and ditches with
The connection of pulp water separative unit, the bottom of pulp water separative unit are provided with hot-tub, and filter plate, pulp water point are provided with above hot-tub
From being equipped with mobile vapour collect cover at the top of unit；Automatically the top that pulp water separative unit is arranged in slag equipment is grabbed, for grabbing
Treated slag charge；
The slag water quenching granulation-steam condensation dehumidification tower includes slag water quenching granulating device and is disposed thereon portion
Steam condenses dehumidification tower, and slag water quenching granulating device is that tower is closed in water seal, is equipped with steam condensate (SC) spray equipment at an upper portion thereof,
Spray is had in spray equipment and collects water container, and spray is collected on the steam that water container can be realized simultaneously during slag water quenching
The collection of row of channels and condensed water.
Preferably, the slag water quenching granulation-steam condensation dehumidification tower is that tower is closed in water seal.
Preferably, several filter elements are equipped in the pulp water separative unit, be equipped in each filter element hot-tub,
Filter plate, pulp water separated space.
Preferably, the mobile vapour collect cover uses high temperature-resistant acid-resistant caustic corrosion material.
Preferably, slag equipment is grabbed automatically to include material-level detecting device, grab slag positioning system, slag charge lifting device and anticipated
Position system.
Preferably, heat exchanger is additionally provided in the hot-tub below filter plate.
Preferably, the hot-tub of filter element lower part is condensed by tower tube road on hot water and cooling tower, water supply pump and granulation
Tower connection, granulation condensing tower also pass through tower tube road on condensate return and connect with cooling tower.
Preferably, the mobile vapour collect cover includes the walking mechanism being arranged at the top of pulp water separative unit, in vehicle with walking machine
It is equipped with glass reinforced plastic vapour collect cover above structure, sealing curtain is equipped on the inside of walking mechanism, glass reinforced plastic vapour collect cover and sealing curtain will go
Mechanism is walked to be isolated in except steam ambient；The outside of glass reinforced plastic vapour collect cover is arranged in the driving motor of walking mechanism.
The invention also discloses the processes that filter method flush slag in bottom is carried out using above-mentioned bottom filter method Water ramjet+, specifically
The following steps are included:
(1) it is granulated the slag-water slurry in condensing tower after water quenching granulating, is flow automatically through grain slag irrigation canals and ditches to pulp water separative unit
In filter element, at this point, mobile vapour collect cover is moved to above filter element, the steam of pulp water separation process is effectively caught
Collection；
(2) water after the separation of pulp water separative unit is admitted in cooling tower cooling through tower tube road on hot-tub and hot water；
(3) after pulp water separation, mobile vapour collect cover is removed, and grabs slag equipment automatically at this time to the grain slag in filter element
It carries out continuously automatically grabbing operation.
Compared with prior art, the invention has the following advantages:
1. being granulated condensing tower, the influence to blast fumance is avoided；
2. steam is reduced to diffuse, it is more environmentally-friendly；
3. realizing the quick-replaceable of hardened filtering layer, cobblestone is saved, reduces the wasting of resources；
4. system can realize unattended duty, more humanized；
5. accurately controlling filtering pit level, failure is avoided.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the schematic illustration of present system；
Fig. 2 is the structural schematic diagram for being granulated condensing tower；
Fig. 3 is the structural schematic diagram of mobile vapour collect cover.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments, based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, method Water ramjet+, including high efficiency filter plate 2, pulp water separative unit 3, mobile collection are filtered in a kind of bottom
Vapour cover 4 is granulated condensing tower 5 and grabs slag equipment 6 automatically；The granulation condensing tower 5 is connected by grain slag irrigation canals and ditches and pulp water separative unit 3
It connects, the bottom of pulp water separative unit 3 is provided with hot-tub 1, and high efficiency filter plate 2, pulp water separative unit are provided with above hot-tub 1
3 top is equipped with mobile vapour collect cover 4；Automatically the top that pulp water separative unit 3 is arranged in slag equipment 6 is grabbed, at crawl
Slag charge after reason.It is equipped with several filter elements in the pulp water separative unit 3, is equipped with high efficiency filter plate in each filter element
2, steam trap tube 44 is equipped with above pulp water separative unit.It is granulated condensing tower 5 and hot-tub 1 and passes through tower tube Lu Yuleng on hot water
But tower connects, and granulation condensing tower also passes through tower tube road on hot water and connect with cooling tower.
As shown in Fig. 2, the movable type vapour collect cover 4 includes the walking mechanism 41 being arranged at the top of pulp water separative unit,
It is equipped with glass reinforced plastic vapour collect cover 42 above walking mechanism 41, sealing curtain 43, glass reinforced plastic vapour collect cover are equipped on the inside of walking mechanism 41
42 and sealing curtain 43 walking mechanism 41 is isolated in except steam ambient；The driving motor of walking mechanism 41 is arranged in glass reinforced plastic
The outside of vapour collect cover 2.
It is preferably carried out mode as one kind, it is in quadrangle that walking mechanism 41, which is overlooked, entire filter element is covered, each
A set of glass reinforced plastic vapour collect cover 42 is arranged in slag-water separation system, and the lower section of glass reinforced plastic vapour collect cover 42 is arranged in walking mechanism 41, seals
For the design of curtain 43 in 41 inside of walking mechanism, above structure can satisfy filter element in filtration operation and crawl two operating conditions of slag
Conversion under alternately operating state makes friendly filter element regional environment, equipment and steel construction safe and reliable operation.
It is preferably carried out mode as one kind, the glass reinforced plastic vapour collect cover 42 and sealing curtain 43 use high temperature-resistant acid-resistant alkali
Corrode material.
It is preferably carried out mode as one kind, the glass reinforced plastic vapour collect cover 42 is spliced using multiple glass reinforced plastic chunkings.
It is preferably carried out mode as one kind, the walking mechanism 41 is hollow rectangular frame, the sealing curtain peace
In walking mechanism steel structure frame.
As shown in figure 3, being preferably carried out mode as one kind, slag water quenching granulation-steam condensation dehumidification tower 5 includes molten
Slag water-quenching granulating device 51, steam condensation dehumidification tower spray collect water container 52, steam condensation dehumidification tower steam condensate (SC) spray
Device 53 and Negative-pressure Stack 54.By the improvement to granulation condensing tower, it is possible to prevente effectively from the influence to blast fumance；Energy simultaneously
Steam is enough reduced to diffuse, it is more environmentally-friendly.
It is preferably carried out mode as one kind, heat exchanger is additionally provided with below high efficiency filter plate, improves flush slag recirculated water
The acquisition efficiency of heat.
The process of bottom filter method flush slag is carried out using above system, specifically includes the following steps:
(1) it is granulated the slag-water slurry in condensing tower 5 after water quenching granulating, is flow automatically through grain slag irrigation canals and ditches to pulp water separative unit 3
Filter element in, at this point, mobile vapour collect cover 4 is moved to above filter element, the steam of pulp water separation process is had
Effect trapping；
(2) water after the separation of pulp water separative unit 3 is admitted to cold in cooling tower through tower tube road on hot-tub 1 and hot water
But；
(3) after pulp water separation, mobile vapour collect cover 4 is removed, and grabs slag equipment 6 automatically at this time in filter element 3
Grain slag is grabbed.
The present invention replaces traditional cobblestone filtering layer with filter plate, changes the problem that filtering layer is blocked up, maintenance difficulties are big, ensures
Hot water water space, to realize the quick-replaceable of filtering layer；Be arranged mobile vapour collect cover to the steam above filter element into
Row is collected and is focused on, and no steam white plume is excessive；Improve independence, the standard of filter element liquid level, filter capacity measurement
True property avoids water pump from vacuumizing the generation of phenomenon to realize that one-touch flushing cinder operation provides necessary condition；Setting accurate positionin,
Automatic identification grabs slag position, precisely grabs grabbing slag equipment (such as bridge grabbing crane) automatically for slag, realizes and grabs slag automatically.
Finally, it should be noted that the foregoing is merely presently preferred embodiments of the present invention, it is merely to illustrate skill of the invention
Art scheme, is not intended to limit the scope of the present invention.Any modification for being made all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., are included within the scope of protection of the present invention.
Claims (9)
1. method Water ramjet+, including slag water quenching granulation-steam condensation dehumidification tower, pulp water separative unit, shifting are filtered in a kind of bottom
Dynamic formula vapour collect cover grabs slag equipment and circulating water cooling system automatically, which is characterized in that the slag water quenching granulating device passes through water
Slag runner canal is connect with pulp water separative unit, and the bottom of pulp water separative unit is provided with hot-tub, is provided with filtering above hot-tub
Plate is equipped with mobile vapour collect cover at the top of pulp water separative unit；Automatically the top that pulp water separative unit is arranged in slag equipment is grabbed,
For grabbing treated slag charge.
The slag water quenching granulation-steam condensation dehumidification tower includes slag water quenching granulating device and the steam for being disposed thereon portion
Dehumidification tower is condensed, slag water quenching granulating device is that tower is closed in water seal, is equipped with steam condensate (SC) spray equipment at an upper portion thereof, is spraying
Shower device has spray and collects water container, and spray collects water container can realize that the steam uplink during slag water quenching is logical simultaneously
The collection in road and condensed water.
2. method Water ramjet+ is filtered at a kind of bottom according to claim 1, which is characterized in that the slag water quenching granulation-steaming
It is that tower is closed in water seal that vapour, which condenses dehumidification tower,.
3. method Water ramjet+ is filtered at a kind of bottom according to claim 1, which is characterized in that set in the pulp water separative unit
There are several filter elements, hot-tub, filter plate, pulp water separated space are equipped in each filter element.
4. method Water ramjet+ is filtered at a kind of bottom according to claim 1, which is characterized in that the movable type vapour collect cover uses
High temperature-resistant acid-resistant caustic corrosion material.
5. method Water ramjet+ is filtered at a kind of bottom according to claim 1, which is characterized in that grabbing slag equipment automatically includes material position
Detection device grabs slag positioning system, slag charge lifting device and material feeding positioning system.
6. method Water ramjet+ is filtered at a kind of bottom according to claim 1, which is characterized in that in the hot-tub below filter plate
It is additionally provided with heat exchanger.
7. method Water ramjet+ is filtered at a kind of bottom according to claim 1, which is characterized in that the hot-tub of filter element lower part
It is connect by tower tube road on hot water with cooling tower, water supply pump with granulation condensation tower, granulation condensing tower also passes through on condensate return
Tower tube road is connect with cooling tower.
8. a kind of bottom filter method Water ramjet+ described in -7 according to claim 1, which is characterized in that the movable type vapour collect cover packet
The walking mechanism being arranged at the top of pulp water separative unit is included, glass reinforced plastic vapour collect cover is equipped with above walking mechanism, in walking mechanism
Inside is equipped with sealing curtain, and walking mechanism is isolated in except steam ambient by glass reinforced plastic vapour collect cover and sealing curtain；Walking mechanism
Driving motor the outside of glass reinforced plastic vapour collect cover is set.
9. the technique side for carrying out bottom filter method flush slag using the bottom filter method Water ramjet+ of any of claims 1-8
Method, specifically includes the following steps:
(1) it is granulated the slag-water slurry in condensing tower after water quenching granulating, is flow automatically through grain slag irrigation canals and ditches to the filtering of pulp water separative unit
In unit, at this point, mobile vapour collect cover is moved to above filter element, the steam of pulp water separation process is effectively trapped；
(2) water after the separation of pulp water separative unit is admitted in cooling tower cooling through tower tube road on hot-tub and hot water；
(3) after pulp water separation, mobile vapour collect cover is removed, and is grabbed slag equipment automatically at this time and is carried out to the grain slag in filter element
Continuously automatically grab operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810894384.4A CN109022647B (en) | 2018-08-08 | 2018-08-08 | Bottom filtration method slag flushing system and process method |
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|---|---|---|---|
| CN201810894384.4A CN109022647B (en) | 2018-08-08 | 2018-08-08 | Bottom filtration method slag flushing system and process method |
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| CN109022647A true CN109022647A (en) | 2018-12-18 |
| CN109022647B CN109022647B (en) | 2020-06-26 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109439817A (en) * | 2018-12-27 | 2019-03-08 | 中冶京诚工程技术有限公司 | A kind of granulated energy conservation of blast furnace cinder disappears white equipment |
| CN109457069A (en) * | 2018-12-27 | 2019-03-12 | 中冶京诚工程技术有限公司 | A kind of granulated energy conservation of blast furnace cinder disappears white system |
| CN109457070A (en) * | 2018-12-27 | 2019-03-12 | 中冶京诚工程技术有限公司 | A kind of blast furnace granulated slag process steam disappears bletilla heat reclaiming system |
| CN109457071A (en) * | 2018-12-27 | 2019-03-12 | 中冶京诚工程技术有限公司 | A kind of blast furnace grain slag system filtering ponds steam disappears white device |
| CN109529560A (en) * | 2018-12-27 | 2019-03-29 | 中冶京诚工程技术有限公司 | A kind of blast furnace grain slag system filtering ponds steam disappears white method |
| WO2020135660A1 (en) * | 2018-12-27 | 2020-07-02 | 中冶京诚工程技术有限公司 | Environmentally friendly and energy-saving blast furnace slag intelligent treatment system |
| CN111500802A (en) * | 2020-01-09 | 2020-08-07 | 河北中科朗博环保科技有限公司 | Smoke collecting device for slag disintegrating pool |
| CN111939606A (en) * | 2020-08-19 | 2020-11-17 | 新疆互力佳源环保科技有限公司 | Sun-shading and evaporation-preventing equipment for steel slag sedimentation tank |
| CN113637811A (en) * | 2021-07-29 | 2021-11-12 | 中国恩菲工程技术有限公司 | Slag flushing pool and water vapor recycling system |
| CN113718068A (en) * | 2021-09-03 | 2021-11-30 | 马钢集团设计研究院有限责任公司 | Bottom filtration slag treatment system and control method thereof |
| CN114908200A (en) * | 2022-05-24 | 2022-08-16 | 广东韶钢松山股份有限公司 | Blast furnace water quenching slag steam treatment device and slag steam treatment process |
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| CN109457070B (en) * | 2018-12-27 | 2023-12-05 | 中冶京诚工程技术有限公司 | Steam whitening and heat energy recovery system for blast furnace water slag process |
| CN109457069A (en) * | 2018-12-27 | 2019-03-12 | 中冶京诚工程技术有限公司 | A kind of granulated energy conservation of blast furnace cinder disappears white system |
| CN109457070A (en) * | 2018-12-27 | 2019-03-12 | 中冶京诚工程技术有限公司 | A kind of blast furnace granulated slag process steam disappears bletilla heat reclaiming system |
| CN109457071A (en) * | 2018-12-27 | 2019-03-12 | 中冶京诚工程技术有限公司 | A kind of blast furnace grain slag system filtering ponds steam disappears white device |
| CN109529560A (en) * | 2018-12-27 | 2019-03-29 | 中冶京诚工程技术有限公司 | A kind of blast furnace grain slag system filtering ponds steam disappears white method |
| WO2020135660A1 (en) * | 2018-12-27 | 2020-07-02 | 中冶京诚工程技术有限公司 | Environmentally friendly and energy-saving blast furnace slag intelligent treatment system |
| KR20200093051A (en) * | 2018-12-27 | 2020-08-04 | 엠씨씨 캐피탈 엔지니어링 앤드 리서치 인코포레이션 리미티드 | Eco-friendly energy-saving blast furnace slag intelligent processing system |
| CN109439817A (en) * | 2018-12-27 | 2019-03-08 | 中冶京诚工程技术有限公司 | A kind of granulated energy conservation of blast furnace cinder disappears white equipment |
| CN109457069B (en) * | 2018-12-27 | 2024-03-22 | 中冶京诚工程技术有限公司 | Energy-saving and white-eliminating system for blast furnace slag granulation |
| CN109439817B (en) * | 2018-12-27 | 2023-12-08 | 中冶京诚工程技术有限公司 | Energy-saving and white-eliminating equipment for granulating blast furnace slag |
| KR102430933B1 (en) * | 2018-12-27 | 2022-08-08 | 엠씨씨 캐피탈 엔지니어링 앤드 리서치 인코포레이션 리미티드 | Eco-friendly energy-saving intelligent blast furnace slag treatment system |
| CN111500802A (en) * | 2020-01-09 | 2020-08-07 | 河北中科朗博环保科技有限公司 | Smoke collecting device for slag disintegrating pool |
| CN111939606A (en) * | 2020-08-19 | 2020-11-17 | 新疆互力佳源环保科技有限公司 | Sun-shading and evaporation-preventing equipment for steel slag sedimentation tank |
| CN113637811B (en) * | 2021-07-29 | 2023-03-07 | 中国恩菲工程技术有限公司 | Slag flushing pool and water vapor recycling system |
| CN113637811A (en) * | 2021-07-29 | 2021-11-12 | 中国恩菲工程技术有限公司 | Slag flushing pool and water vapor recycling system |
| CN113718068A (en) * | 2021-09-03 | 2021-11-30 | 马钢集团设计研究院有限责任公司 | Bottom filtration slag treatment system and control method thereof |
| CN114908200A (en) * | 2022-05-24 | 2022-08-16 | 广东韶钢松山股份有限公司 | Blast furnace water quenching slag steam treatment device and slag steam treatment process |
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