CN104998890B - Industrial slags processing system - Google Patents
Industrial slags processing system Download PDFInfo
- Publication number
- CN104998890B CN104998890B CN201510423521.2A CN201510423521A CN104998890B CN 104998890 B CN104998890 B CN 104998890B CN 201510423521 A CN201510423521 A CN 201510423521A CN 104998890 B CN104998890 B CN 104998890B
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- slag bath
- slag
- steam
- processing system
- clinker
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
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- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
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- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of industrial slags processing system, including fill the slag bath of cooling water, it is characterised in that：The slag bath includes the second slag bath for receiving the first slag bath of Industrial Stoves clinker and being connected with the first slag bath bottom, the first slag bath Chi Ding is provided with steam collection structure, the steam collection structure is provided with exhaust outlet, the exhaust outlet is connected with vapour condensation device, the condensation-water drain of the vapour condensation device is connected with the second slag bath, provided with so that clinker slides to the inclined ramp of the second slag bath between the first slag bath bottom and the second slag bath bottom, The present invention reduces cause that clinker cleaning is more concentrated after cooling during slag treatment while the discharge capacity of dangerous vapors, system architecture is simple, it is easy to operate, and production cost is reduced to a certain extent.
Description
Technical field
The present invention relates to a kind of industrial slags processing system.
Background technology
In the industrial production, the link for smelting burning is related in the industrial processes especially based on chemical industry and metallurgy
Typically there is high temperature furnace slag discharge, the slag temperature from Industrial Stoves out is often very high, it is general up to 1200 DEG C~1600 DEG C,
Therefore it can not be expelled directly out or for other techniques, it is necessary to carry out cooling down operation to it before this, current Industrial Stoves clinker
The type of cooling generally using the clinker of discharge is first placed in the slag bath for filling cooling water, high temperature furnace slag is dropped using cooling water
Temperature, is afterwards salvaged the clinker after cooling by device for dragging dregs, and the clinker salvaged can be transported to other technique productions.This Shen
Ask someone to notice in actual production process：The slag surface come out from Industrial Stoves is typically attached with harmful and volatile thing
Matter, harmful smoke is easily produced when the moment that high temperature furnace slag is contacted with cooling water, and these fume emissions cause air into air
Pollution, for example, in phosphorus production technique, the high temperature yellow phosphorus furnace slag discharged from Yellow phosphorus furnace is just accompanied with a large amount of harmful substances,
Substantial amounts of steam can be produced when its moment for contacting cooling water, phosphorus pentoxide particle and sulfur-bearing are carried in these water vapours
Gas etc. is harmful to and strong corrosive material, and these fume emissions can cause serious dirt into air to health and air
Dye.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of reduction dangerous vapors discharge capacity and facilitate clinker to clear up
Industrial slags processing system.
In order to solve above-mentioned the problems of the prior art, the present invention is achieved through the following technical solutions：
Industrial slags processing system of the present invention includes filling the slag bath of cooling water, and the slag bath includes receiving Industrial Stoves stove
First slag bath of slag and the second slag bath connected with the first slag bath bottom, the first slag bath Chi Ding collect knot provided with steam
Structure, the steam collection structure is provided with exhaust outlet, and the exhaust outlet is connected with vapour condensation device, the vapour condensation device
Condensation-water drain is connected with the second slag bath, provided with causing clinker to slide to the between the first slag bath bottom and the second slag bath bottom
The inclined ramp of two slag baths.Cooling water is filled in first slag bath and the second slag bath, the first slag bath is received to be arranged from Industrial Stoves
The high temperature furnace slag gone out, the temperature moment of cooling water raises and produced a large amount of after these clinkers are contacted with the cooling water in the first slag bath
Harmful smoke is carried in steam, steam, these flue gases are by the first slag bath Chi Ding steam collection structure centralized collection, and from row
Steam port enters vapour condensation device formation condensed water, and harmful smoke enters the second relatively low slag of temperature together with condensed water
Focused in pond, the clinker after cooling is settled down to the first slag bath bottom, the first slag bath bottom connects with the second slag bath bottom
Logical, the clinker of the first slag bath bottom flows to the second slag bath bottom in the case where the clinker newly entered is promoted and further cools down and salvage,
Because cooling water temperature is relatively low in the second slag bath, steam generation is not had, and whole slag handling system is simple in construction, described first
Provided with so that clinker slides to the inclined ramp of the second slag bath between slag bath bottom and the second slag bath bottom so that be deposited on the first slag
The clinker in bottom of pond portion is timely by slag bath bottom along the dragveyer structure that inclined ramp is slided at the top of the first slag bath bottom, the second slag bath
The clinker cleaning in portion, thus steam collection operation is separated with dragging for slag operation, and both will not interfere with each other each other.
Further, the angle of inclination of the inclined ramp is 30 °~70 °, in this range of tilt angles, the first slag bath
It is more preferable that the clinker of bottom slides to the second clinker effect.
As the further improvement of above-mentioned industrial slags processing system, dragveyer structure is provided with above second slag bath, is dragged for
Slag mechanism is arranged at the convenient timely salvaging of clinker progress at any time to deposition above the second slag bath and cleared up.
Further, the vapour condensation device includes spray equipment and the water pump being connected with spray equipment, the spray
Shower device is connected with the exhaust outlet, and the delivery port of the spray equipment is connected with the second slag bath, and the water pump is connected with cooling water
Source.The steam produced in first slag bath enters in spray equipment through exhaust outlet, and at the same time water pump is pumped into cold into spray equipment
But water, steam switchs to condensed water in spray equipment, enters eventually into and remain to focus in the second slag bath, thus reach condensation
Steam and the purpose focused on.The invention provides two kinds of spray equipments, the first spray equipment includes steam blower fan and spray
Tower is drenched, the steam fan inlet is connected with the exhaust outlet, and the steam fan outlet is connected with spray column, and the water pump is
Feeding spraying pump, the feeding spraying pump water inlet is connected with the second slag bath, and the liquid outlet of the spray column is connected with the second slag bath, from
The steam of exhaust outlet discharge is entered in spray column in the presence of steam blower fan, and the cooling water washing being pumped into through feeding spraying pump is cold
Enter after solidifying in the second slag bath；Second of spray equipment includes jet tower, and the jet tower is connected with the exhaust outlet, described
Water pump is high-pressure hydraulic pump, and the high-pressure hydraulic pump water inlet is connected with the second slag bath, the liquid outlet and the second slag bath of the jet tower
Connection, the principle of jet tower described herein is identical with the structure of jet pump in the prior art, and the applicant zooms into its structure
Jet tower, the specific size of jet tower according to produce quantity of steam determine, its structure include nozzle, mixing chamber, trunnion, airway tube and
Anemostat, the high-pressure cooling water that the high-pressure hydraulic pump is produced sprays into mixing chamber, trunnion entrance as working fluid from nozzle at high speeds
Region is swept away to form negative pressure because of the cooling water that surrounding air is sprayed at a high speed, and the airway tube air inlet connected with negative pressure region is with steaming
The exhaust outlet connection of vapour cover, is pumped into mixing chamber by steam in the presence of negative pressure, enters after mixing in anemostat, flow into afterwards
To the second slag bath, such a spray equipment is easier compared to the first spray equipment, is equally reached spray effect well
Really.
Further, the steam collection structure is the vapour hood for being arranged at the first slag bath Chi Ding, and the exhaust outlet is set
Connected on vapour hood and with vapour condensation device.Steam collection structure is designed as the form of vapour hood so that steam more preferably collects
It is middle to collect, convenient follow-up spray operation.
Further, second slag bath is circumscribed with small pump, and high temperature furnace slag can produce steam after entering the first slag bath,
The part water in the first slag bath is taken away, because the second slag bath bottom of pond is connected with the first slag bath bottom of pond, the water in the second slag bath
It can gradually decrease therewith, in order to ensure the lasting normal operation of equipment, applicant is using small pump is set up, and small pump is connected with cooling
Water source, cooling water is filled into this into above-mentioned slag bath in time.
Further, it is connected between first slag bath and the second slag bath by water circulating pump and constitutes circulation loop.One side
Face, because high temperature furnace slag enters the coolant-temperature gage rise caused after the first slag bath in the first slag bath, water circulating pump is by the first slag bath
In water and the second slag bath in water circulation flowing so that the coolant-temperature gage in the first slag bath is unlikely to too high, it is ensured that stove
Cooling effect of the slag in the first slag bath, is allowed to cool effect and is regenerated；On the other hand, the clinker settled in the first slag bath exists
Constantly the second slag bath is pushed into the presence of circulating water flow so that clinker concentrates on the second slag bath after further being cooled down,
Thus facilitate and the clinker in the second slag bath is salvaged.
Further, the industrial slags import is yellow phosphorus furnace slag import.It is attached in high temperature furnace slag from Yellow phosphorus furnace out
With the harmful substance such as phosphorus pentoxide and sulfide, it is therefore desirable to which it is passed through into the first slag bath simultaneously from yellow phosphorus furnace slag import
The steam for being contacted cooling water generation is collected condensation, finally focuses on, it is therefore prevented that carry the steam of harmful substance
Leak.
The present invention by slag bath be divided into and receive and cooling down high-temperature clinker produce steam the first slag bath and remain low temperature
The second slag bath, the first slag bath produce steam obtain collect condensation, the condensed water containing nuisance produced after condensation is in second
Facilitated in slag bath and concentration purified treatment is carried out to it, thus prevent the discharge of steam containing harmful substance into air, cooled down
Clinker afterwards can also be focused on.
Lead to below and the present invention is further described with reference to accompanying drawing and embodiment.
Brief description of the drawings
Fig. 1 is yellow phosphorus furnace slag processing system structural representation in the prior art.
Fig. 2 is the yellow phosphorus furnace slag processing system structural representation in embodiment 1.
Fig. 3 is the yellow phosphorus furnace slag processing system structural representation in embodiment 2.
Fig. 4 is the structural representation of jet tower in embodiment 2.
Embodiment
As shown in figure 1, being the yellow phosphorus furnace slag processing system in the prior art mentioned in background technology, including receive yellow phosphorus
Slag bath 9 and the device for dragging dregs 10 being arranged above slag bath, practical operation by the high temperature furnace slag discharged in Yellow phosphorus furnace put into
In slag bath, the temperature of high temperature yellow phosphorus furnace slag is generally 1200 DEG C~1600 DEG C, cooling water is filled in slag bath, high temperature furnace slag is touched
The moment of cooling water can produce substantial amounts of steam, and harmful substance is carried in these steam, and being emitted into air can cause serious
Environmental pollution.
Embodiment 1：
As shown in Fig. 2 the industrial slags processing system in the present embodiment is yellow phosphorus furnace slag processing system, including receive from Huang
First slag bath 1 of the high temperature yellow phosphorus furnace slag in phosphorus stove out and the second slag bath 2 connected with the bottom of the first slag bath 1, the yellow phosphorus
Clinker main component is CaSiO3, slag temperature is 1200 DEG C~1600 DEG C, and first slag bath 1 is provided with to be entered for yellow phosphorus furnace slag
The yellow phosphorus furnace slag import entered, provided with so that yellow phosphorus furnace slag slides to second between the bottom of the first slag bath 1 and the bottom of the second slag bath 2
The inclined ramp 3 of slag bath 2, the angle of inclination of inclined ramp 3 is 45 °, in this angle of inclination clinker sliding effect preferably, described the
The Chi Ding of one slag bath 1 is provided with steam collection structure, and the steam collection structure is the vapour hood 4 for being arranged at the Chi Ding of the first slag bath 1, steams
Vapour cover 4 covers the Chi Ding of the first slag bath 1, and by the steam centralized collection of generation, the top of vapour hood 4 is provided with exhaust outlet 410, described
Exhaust outlet 410 is connected with vapour condensation device 5, and the vapour condensation device 5 includes steam blower fan 510 and spray column 540a, described
The import of steam blower fan 510 is connected with the exhaust outlet 410 by pipeline 810a, and the steam blower fan 510 is exported and spray column
540a steam inlet is connected by pipeline 820a, and the feeding spraying pump 530a water inlets and the second slag bath 2 pass through pipeline
830a is connected, and the delivery port of the feeding spraying pump 530a is connected with spray column 540a water inlet by pipeline 840a, the spray
The liquid outlet for drenching tower 540a is connected with the second slag bath 2 by pipeline 850a, is passed through between the slag bath 2 of the first slag bath 1 and second
Pipeline 870 and pipeline 860 are connected with water circulating pump 7 respectively, thus by the water in the water body in the first slag bath 1 and the second slag bath 2
Body constitutes circulating water flow loop, and circulating water flow loop realizes in the first slag bath 1 low-temp recovery and is clinker from the pond of the first slag bath 1
Bottom slides to the bottom of pond of the second slag bath 2 and provides motive force so that clinker is concentrated in the second slag bath 2, and the water inlet of pipeline 860 is located at the
Under the page of two slag bath 2, water inlet of the pipeline 870 on the first slag bath 1 is preferably arranged at and the corresponding position of inclined ramp 3
On, so that directly rushing at the clinker on inclined ramp into the water in the first slag bath 1 so that the motive force that clinker is subject to is most
Greatly, clinker is easier to slide to the bottom of pond of the second slag bath 2, and the flow velocity of circulating water flow is preferably controlled in 3~10m/s, and its scouring effect is
Most preferably, second slag bath 2 is circumscribed with small pump, and the small pump is connected with cooling water source, and cooling water source is supplemented in slag bath in time
Cooling water, the top of the second slag bath 2 is provided with dragveyer structure 6.
The present invention yellow phosphorus furnace slag handling process be：By the high temperature yellow phosphorus furnace slag discharged in Yellow phosphorus furnace by yellow phosphorus furnace slag import
It is passed through into the first slag bath, due to filling cooling water in the first slag bath, the moment entered in high temperature yellow phosphorus furnace slag produces substantial amounts of
The harmful substance such as phosphorus pentoxide and a variety of sulfide is carried in steam, steam, vapour hood prevents steam from overflowing and right
It carries out centralized collection, and the steam of centralized collection enters spray column in the presence of steam blower fan, and at the same time feeding spraying pump will
Cooling water in second slag bath is pumped into spray column, and steam cooled water wash condensation in spray column ultimately forms condensed water row
Into the second slag bath, after liquid level has declined in the first slag bath and the second slag bath, cooling water is filled into by small pump in time, by
The need for this ensure that to chilling temperature, clinker is settled down to the first slag bath bottom of pond after cooling, finally slides to the second slag bath pond
Bottom, the clinker that opening water circulating pump can wash away on inclined ramp accelerates clinker and is slided to the second slag bath and reach the first slag of reduction
The effect of pond temperature, the clinker of cooling concentrates on the second slag bath bottom of pond, and operating personnel are periodically cleared up clinker by salvaging mechanism,
Thereby guarantee that slag bath effectively cools down space, the clinker pulled out can be used as preparing bonding agent, the water contained hazardous substance stayed in pond
Can periodic purge.
It can be realized by the present embodiment and condensation process is collected to the dangerous vapors that yellow phosphorus furnace slag cools down generation, prevented
Air is only polluted, at the same time also facilitates and unified cleaning is carried out to the clinker after cooling, whole inventive structure is simple, operation side
Just, production cost is reduced.
Embodiment 2：
As shown in figure 3, the present embodiment and the difference of embodiment 1 are, the jet tower 540b of vapour condensation device 5 and height
Water pump 530b, as shown in figure 4, the jet tower 540b includes nozzle 542b, mixing chamber, trunnion 543b, connected with mixing chamber
Airway tube 541b and anemostat 544b, the exhaust outlet 410 connected by pipeline 810b with airway tube 541b, the high pressure
Water pump 530b water inlets are connected with the second slag bath 2 by pipeline 820b, and the high-pressure hydraulic pump 530b delivery ports enter with nozzle 542b
Mouth is connected by pipeline 830b, and the liquid outlet of the jet tower 540b is connected by pipeline 840b with the second slag bath 2.
Difference of the present embodiment with embodiment 1 in yellow phosphorus furnace slag handling process is：In vapour hood centralized collection steam
While start high-pressure hydraulic pump, high-pressure hydraulic pump is by the cooling water express pump incident flow tower in the second slag bath, and high-velocity fluid is from nozzle
Ejection enters mixing chamber, because surrounding air is taken away by high-velocity fluid, in throat's water inlet formation negative pressure region, in negative pressure
The lower steam of effect is mixed and condensed with cooling water from airway tube suction mixing chamber, finally drains into the second slag bath from jet tower bottom of towe.
The present embodiment is on the basis for realizing the equivalent technology effect of embodiment 1, and the present embodiment is in structure compared to reality
Apply that example 2 is simpler, operating process is more easy, and production cost is lower compared with embodiment 1.
Claims (7)
1. industrial slags processing system, including fill the slag bath of cooling water, it is characterised in that：The slag bath includes receiving industry kiln
The first slag bath (1) of stove clinker and the second slag bath (2) connected with the first slag bath (1) bottom, the first slag bath (1) Chi Ding
Provided with steam collection structure, the steam collection structure is provided with exhaust outlet (410), and it is cold that the exhaust outlet (410) is connected with steam
Solidifying device (5), the condensation-water drain of the vapour condensation device (5) is connected with the second slag bath (2), the first slag bath (1) bottom
Provided with so that clinker slides to the inclined ramp (3) of the second slag bath (2), vapour condensation device between portion and the second slag bath (2) bottom
(5) spray equipment and the water pump being connected with spray equipment are included, the spray equipment is connected with the exhaust outlet (410), institute
The delivery port for stating spray equipment is connected with the second slag bath (2), and the water pump is connected with cooling water source, and the spray equipment includes steam
Blower fan (510) and spray column (540a), the steam fan inlet are connected with the exhaust outlet (410), the steam blower fan
(510) outlet is connected with spray column (540a), and the water pump is feeding spraying pump (530a), feeding spraying pump (530a) water inlet
Connected with the second slag bath (2), the liquid outlet of the spray column (540a) is connected with the second slag bath (2).
2. industrial slags processing system as claimed in claim 1, it is characterised in that：The angle of inclination of the inclined ramp (3)
For 30 °~70 °.
3. industrial slags processing system as claimed in claim 1, it is characterised in that：It is provided with and drags for above second slag bath (2)
Slag mechanism (6).
4. industrial slags processing system as claimed in claim 1, it is characterised in that：The steam collection structure is is arranged at the
One slag bath Chi Ding vapour hood (4), the exhaust outlet (410) is arranged on vapour hood (4) and connected with vapour condensation device (5)
It is logical.
5. industrial slags processing system as claimed in claim 1, it is characterised in that：Second slag bath (2) is circumscribed with moisturizing
Pump, the small pump is connected to cooling water source.
6. industrial slags processing system as claimed in claim 1, it is characterised in that：First slag bath (1) and the second slag bath
(2) it is connected between by water circulating pump (7) and constitutes circulation loop.
7. industrial slags processing system as claimed in claim 1, it is characterised in that：First slag bath (1) is received from yellow phosphorus
Yellow phosphorus furnace slag in stove out.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423521.2A CN104998890B (en) | 2015-07-17 | 2015-07-17 | Industrial slags processing system |
| CN201710398966.9A CN107350261B (en) | 2015-07-17 | 2015-07-17 | Industrial slags processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423521.2A CN104998890B (en) | 2015-07-17 | 2015-07-17 | Industrial slags processing system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710398966.9A Division CN107350261B (en) | 2015-07-17 | 2015-07-17 | Industrial slags processing system |
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| Publication Number | Publication Date |
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| CN104998890A CN104998890A (en) | 2015-10-28 |
| CN104998890B true CN104998890B (en) | 2017-10-03 |
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| CN201710398966.9A Active CN107350261B (en) | 2015-07-17 | 2015-07-17 | Industrial slags processing system |
| CN201510423521.2A Active CN104998890B (en) | 2015-07-17 | 2015-07-17 | Industrial slags processing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106675653B (en) * | 2017-02-08 | 2022-07-22 | 中国东方电气集团有限公司 | Liquid-state deslagging system and deslagging method for normal-pressure fixed bed |
| CN110523208A (en) * | 2019-09-19 | 2019-12-03 | 云南磷化集团有限公司 | A kind of system reducing slag bath moisture discharge of quenching when yellow phosphorus furnace slag water quenching |
| CN111151086A (en) * | 2020-01-21 | 2020-05-15 | 成都易态科技有限公司 | Three-phase separation device for water quenching product and water quenching flue gas treatment system and method |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1009207B (en) * | 1986-04-21 | 1990-08-15 | Ajo钢铁制造有限公司 | Process and apparatus for manufacturing slag sand (granular solids) with blast furnace slag |
| JP3746896B2 (en) * | 1998-02-20 | 2006-02-15 | 新日本製鐵株式会社 | Method and apparatus for processing molten blast furnace slag |
| CN101423876A (en) * | 2007-11-01 | 2009-05-06 | 姜学仕 | Blast furnace slag treatment and slag heat energy utilization method and implementing apparatus |
| JP2009227495A (en) * | 2008-03-20 | 2009-10-08 | Jfe Steel Corp | Method for treating slag |
| KR101302025B1 (en) * | 2011-05-12 | 2013-08-30 | 지에스플라텍 주식회사 | Apparatus and method for treating ash from waste incinerators using plasma arc |
| CN103196124B (en) * | 2012-01-06 | 2015-04-22 | 姜学仕 | Slag disposing technology device by evaporating pot method |
| CN202830050U (en) * | 2012-08-22 | 2013-03-27 | 保尔沃特冶金技术(北京)有限公司 | Slag processing system |
| CN103553557B (en) * | 2013-11-05 | 2015-09-09 | 北京科技大学 | The continuous casting calendering technology method of blast furnace slag production cast stone and equipment thereof |
| CN104108691B (en) * | 2014-07-21 | 2016-03-16 | 贵州开磷集团股份有限公司 | A kind of gaseous state phosphorus washing device |
| CN104745829A (en) * | 2015-04-16 | 2015-07-01 | 湖南水口山有色金属集团有限公司 | Fuming furnace and slag flushing device thereof |
-
2015
- 2015-07-17 CN CN201710398966.9A patent/CN107350261B/en active Active
- 2015-07-17 CN CN201510423521.2A patent/CN104998890B/en active Active
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| CN104998890A (en) | 2015-10-28 |
| CN107350261B (en) | 2019-10-08 |
| CN107350261A (en) | 2017-11-17 |
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