CN110342844A - A kind of automatic discharge gas gathering system being used to prepare high potential activity yellow phosphorus furnace slag - Google Patents
A kind of automatic discharge gas gathering system being used to prepare high potential activity yellow phosphorus furnace slag Download PDFInfo
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- CN110342844A CN110342844A CN201910480047.5A CN201910480047A CN110342844A CN 110342844 A CN110342844 A CN 110342844A CN 201910480047 A CN201910480047 A CN 201910480047A CN 110342844 A CN110342844 A CN 110342844A
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- slag
- section
- automatic discharge
- water
- yellow phosphorus
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/0481—Other specific industrial waste materials not provided for elsewhere in C04B18/00
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
-
- C21B2100/06—
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
-
- 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
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The present invention relates to chemical metallurgy device systems technical fields, more particularly to a kind of automatic discharge gas gathering system for being used to prepare high potential activity yellow phosphorus furnace slag, the system comprises automatic discharge gas collection tower, spiral pulp water seperator, the weary steam fairlead of low-temperature atmosphere-pressure and high-pressure hydraulic pumps: the automatic discharge gas collection tower includes that yellow phosphorus slag feed inlet, water quenching nozzle, wear-resisting cinder-flushing groove, buffle sill, collection chamber, funnel type collection slag catchment section, saturation water quenching steam fairlead, gate valve and vertebra shape automatic discharge draining section；Funnel type collection slag section of catchmenting includes maximum water level, lowest water level line and water level observation window.The present invention solves the problems, such as that yellow phosphorus furnace slag activity is low in the prior art, slag feeding mechanism poor reliability and a small amount of saturation water quenching steam scurry into slagging channel, the automatic discharge gas gathering system provided have the advantages that it is good at many things and expert in one, simple for structure, safe and reliable, cheap, make, safeguard and control simple convenient for batch production.
Description
Technical field
The present invention relates to chemical metallurgy device systems technical fields, and in particular to one kind is used to prepare high potential activity yellow phosphorus
The automatic discharge gas gathering system of clinker.
Background technique
Yellow phosphorus furnace slag is the by-product of producing yellow Phosphorus by electric oven.7.5~11.8t of every production 1t yellow phosphorus by-product clinker.It is existing
Most of yellow phosphorus electric furnace slagged tap using slag interruption gravity flow, after ferrophosphorus settles, direct current enters water quenching pool water quenching.Its quantity is changed
It learns and forms, CaO content 47%~52% related with furnace charge used and proportion, SiO2Content 40%~43%, Al2O3Content 2%~
8%, content of MgO 0.80%~2.5%, Fe2O3Content 0.3%~0.9%, P2O5Content 0.80%~3.5%, F content 1%
~3%.Through lithofacies analysis, predominantly β -2CaOSiO2And 5CaAl2O3And contain transparent vitreous body and porous structure, it can quilt
Acid directly decomposes, relative density about 2.89, and when loose condition (of surface) water content is 1%~10%, heap density is 800~1000kg/m3.
Yellow phosphorus furnace slag is used to produce foamed brick or building block (or other profiles) not disclosed report with admixture as gathering materials.
In addition, 103736288 A of Publication No. CN " a kind of yellow phosphorus electric furnace quench pulp water vapour administering method and equipment " and openly
Number it is 103801549 A of CN " a kind of method and apparatus of water quenching yellow phosphorus furnace slag ", is mainly characterized by, is collected with tempering tower normal
Pressure or the weary steam of micro-positive pressure low temperature reach quench slag and hardening separation with dehydrator, and system equipment is complicated, bulky, investment and
Power cost is high, and with emptying after water at low temperature heat exchange cooling in weary vapor collection, comprehensive utilization is not implemented in afterheat of slags.
105240065 B of Publication No. CN " administer the power-economizing method utilized and set by a kind of yellow phosphorus slag water quenching and weary steam
It is standby " used in snail slot type water quenching gas collection tower, although investment is compared with 103736288 A of Publication No. CN, " a kind of yellow phosphorus electric furnace is quenched pulp water
Vapour administering method and equipment " and a kind of 103801549 A of Publication No. CN " method and apparatus of water quenching yellow phosphorus furnace slag " reduction
60%~70%, but there are yellow phosphorus furnace slag activity is low, slag feeding mechanism poor reliability, a small amount of water quenching steam that is saturated scurries into deslagging
The problem of channel.
The undisclosed mode using continuous discharge slag of above-mentioned three patents (in fact and uses traditional interval water quenching
Mode), how to reduce P2O5How residual quantity improves clinker activity etc., how to use low cost and high reliability devices water quenching yellow phosphorus
Slag realizes traditional low activity yellow phosphorus furnace slag being promoted to high potential activity clinker, at the same unpowered or low dynamics realize slag,
Vapour, water are automatically separated, and are stablized and be continuously saturated water quenching steam, and then realize the resource of dross sensible heat and yellow phosphorus furnace slag
Comprehensive utilization is Yellow Phosphorus Industry urgent problem to be solved.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind to be used to prepare high potential activity yellow phosphorus furnace slag
Automatic discharge gas gathering system, solve low yellow phosphorus furnace slag activity in the prior art, slag feeding mechanism poor reliability and few
Amount saturation water quenching steam the problem of scurrying into slagging channel, the automatic discharge gas gathering system provided have it is good at many things and expert in one, simple for structure,
Securely and reliably, cheap, convenient for batch production production, safeguard and control simple advantage.
The purpose of the present invention is achieved through the following technical solutions:
A kind of automatic discharge gas gathering system being used to prepare high potential activity yellow phosphorus furnace slag, the automatic discharge gas gathering system
Including automatic discharge gas collection tower, spiral pulp water seperator, the weary steam fairlead of low-temperature atmosphere-pressure and high-pressure hydraulic pump:
The automatic discharge gas collection tower includes yellow phosphorus slag feed inlet, water quenching nozzle, wear-resisting cinder-flushing groove, buffle sill, gas collection
Room, funnel type collection slag catchment section, saturation water quenching steam fairlead, gate valve and vertebra shape automatic discharge draining section；The yellow phosphorus slag
The discharge end of feed inlet is connect with the feed end of the wear-resisting cinder-flushing groove, the yellow phosphorus slag feed inlet and the wear-resisting cinder-flushing groove
The water quenching nozzle is installed below same axis, the yellow phosphorus slag feed inlet discharge end；The water quenching nozzle and institute
The feed end connection of wear-resisting cinder-flushing groove is stated, the discharge end of the wear-resisting cinder-flushing groove is provided with buffle sill；The collection chamber setting exists
The wear-resisting cinder-flushing groove and the funnel type collection slag catchment the top of section, and the top of the collection chamber is equipped with saturation water quenching steam
Fairlead；The funnel type collection slag catchments the feed end of section and the discharge end of the wear-resisting cinder-flushing groove and the collection chamber connect
It connects, the catchment feed end of discharge end and the vertebra shape automatic discharge draining section of section of the funnel type collection slag is connect, the funnel
Type collection slag, which catchments, is equipped with the gate valve between the discharge end of section and the feed end of vertebra shape automatic discharge draining section；
Funnel type collection slag section of catchmenting includes maximum water level, lowest water level line and water level observation window, and the water level is seen
The lowest part of window is examined lower than the lowest water level line, the highest point of the water level observation window is higher than the maximum water level, described
Maximum water level and the lowest water level line are mounted on acoustic-optic alarm, and the height of the maximum water level is rushed greater than high pressure
Pulp water catchmented by the wear-resisting cinder-flushing groove and buffle sill and the funnel type collection slag formed after section wall collision shove height plus
The upper lowest water level line height, the maximum water level are not higher than the bottom plate water level line of the wear-resisting cinder-flushing groove；
It is the feed end of the spiral pulp water seperator, the spiral shell below the discharge end of the vertebra shape automatic discharge draining section
It is provided with the weary steam fairlead of the low-temperature atmosphere-pressure above rotation pulp water seperator, the discharge end of the spiral pulp water seperator is set
It is equipped with yellow phosphorus furnace slag outlet, the isolated water of the spiral pulp water seperator is delivered to the water quenching and sprayed by the high-pressure hydraulic pump
Flushing cinder water circulation use is realized at mouth.
Automatic discharge gas collection tower of the present invention have it is good at many things and expert in one, simple for structure, safe and reliable, cheap, convenient for factory
Change production, safeguard and control simple advantage.
Water quenching steam is recycled by the collection chamber and saturation water quenching steam fairlead of gas collection tower in the present invention, is saved
About process costs while, also thoroughly solve the improvement problem of the weary steam of yellow phosphorus enterprise water quenching disperse everywhere, automatic discharge collection
Gas tower can also be used in blast furnace cinder water quenching and its weary steam is administered and Exposure degree comprehensive utilization, with ton yellow phosphorus slag recycling 105
DEG C micro-positive pressure is saturated water quenching steam 1000m3, heat content is by 2685kj/kg calculating, and the heat of recycling is 1879500kj/t, by standard
Coal calorific value 29307kj/kg is calculated, and is equivalent to 64kg standard coal, the sensible heat that 10000t/a yellow phosphorus unit year recycles is equivalent to 6400t
Standard coal (the raw coal 8960t that equivalent calorific value is 5000 kilocalories).
Flow velocity of the washing slag water in cinder-flushing groove from 2 traditional~3m/s, has been increased to 3.5~5m/s, has made Huang by the present invention
The nature of glass is increased to 85%~95% from lower than 85% in phosphorus clinker, since the unstability and imbalance of glass structure make
Its potential activity with higher becomes high potential activity yellow phosphorus furnace slag to substantially increase the potential activity of yellow phosphorus furnace slag,
When it is as aggregate and admixture, cement consumption can be reduced, it, can when it is as Portland clinker additive
The additive amount of yellow phosphorus furnace slag is further increased, manufacture of cement cost is reduced；Minimum grain size is reduced to 0.2mm from 0.5mm, favorably
Ball-milling Time and ball milling cost are reduced in the later period.
It is every kilogram of 8~10L/s of slag that automatic discharge gas collection tower of the present invention, which also controls flushing cinder water flow, to guarantee not
To because washing slag water it is very few, cause the funnel type collection slag section cone bottom diameter that catchments too small, influence defeated slag effect, be saturated water quenching steam through collecting
Gas chamber is exported after collecting by saturation water quenching steam fairlead.To prevent yellow phosphorus slag from exploding, the present invention also takes following prevention
Measure: (1) slag water ratio cannot be below in yellow phosphorus slag explosion limit, and test proves that slag water ratio is 5~10, and yellow phosphorus will not occur
Slag explosion；(2) wear-resisting cinder-flushing groove inner wall wants smooth, smooth, and bottom board slope is 1%~5%, keeps the flowing of water quenching yellow phosphorus furnace slag smooth
It is logical；(3) operating instruction for stopping washing slag water after first to slag is gone out after washing slag water, first stopping slag is strictly observed；(4) yellow phosphorus slag is fed
Mouth and wear-resisting cinder-flushing groove on the same axis, while must avoid slag and washing slag water from overflowing wear-resisting cinder-flushing groove.
It is further preferred that the control of water level electric contact is arranged while funnel type collection slag catchments section setting water level observation window
Device processed, and chain control washing slag water electrically operated valve (being arranged on the circulation line between high-pressure hydraulic pump and water quenching nozzle)；Gate valve
Also it is changed to electric gate valve simultaneously, is realized and is automatically controlled by PLC or DCS control system.
Further, the yellow phosphorus slag feed inlet be the fire resisting slot of open type entrance or be that melting charge exports small set group
Part.Melting charge exports small set component and refers to the special of Patent No. 201721747252.6 (207702976 U of Authorization Notice No. CN)
Sharp product.
Further, the water quenching nozzle includes main burner and auxiliary jet, and the auxiliary jet is mounted on the main burner
On the cell wall of two sides；The outlet of the water quenching nozzle is in prolate shape.Wherein the outlet of water quenching nozzle is in prolate shape, to be cut using pipeline
Area reduces suddenly, improves flow velocity, the enhancing water quenching effect of water.Water quenching nozzle is mounted in the end of wear-resisting cinder-flushing groove, and under face
The slag stream fallen.In addition to main burner, also auxiliary jet can be installed in the two sides cell wall of main burner, to improve water quenching effect.Due to Huang
The composition of phosphorus clinker is mainly silicate, wherein 2CaOSiO2With tri- kinds of variants of α, β, γ, only α and β body has gel
Property, part β -2CaOSiO can be prevented by carrying out quenching water quenching using water quenching nozzle2It is converted into γ -2CaOSiO2, and cause water
Intensity is lost in mud dusting；Change physical property by water quenching simultaneously, guarantees the integrality of grain slag granulating, improve the activity of yellow phosphorus furnace slag.
Further, the wear-resisting cinder-flushing groove and the buffle sill are that abrasion-resistant stee welding fabrication or loaded concrete are poured and built up
Type, the wear-resisting cinder-flushing groove inner wall smooth, smooth, the bottom board slope of the wear-resisting cinder-flushing groove is 1%~5%.Buffle sill is main
Effect is to cut down washing slag water in the power potential energy of sluice end, slows down and catchments the impact force of section to funnel type collection slag.
Further, the collection chamber and the funnel type collection slag catchment section by being welded into one, the collection chamber
With the funnel type integrate slag catchment section material as steel, the catchment outside of section of the collection chamber and the funnel type collection slag is all provided with
It is equipped with heat-preservation cotton and carries out isothermal holding, reduce the thermal loss of water quenching steam.
Further, the catchment discharge end of section of the funnel type collection slag is detachably connected with the gate valve by flange, institute
It states gate valve and the feed end of vertebra shape automatic discharge draining section is detachably connected by flange.The effect of gate valve: automatic discharge
Gas gathering system be switched on when, first closing gate valve, input washing slag water, to funnel type collection slag catchment section water level reach lowest water level line with
When upper, opened gate valve (keep full-gear), and adjusted washing slag water input quantity, make funnel type collection slag catchment section water level be higher than it is minimum
Water level line and be lower than maximum water level, yellow phosphorus slag can be inputted and start water quenching, and again adjust washing slag water input quantity, make funnel
The catchment stable level of section of type collection slag is being higher than lowest water level line and lower than maximum water level.
Further, the funnel type collection slag catchment section, gate valve and vertebra shape automatic discharge draining section material be wear-resisting height
Manganese steel, alloy abrasion resistant steel or chrome molybdenum silico-manganese steel, when selecting wall thickness, in addition to meeting mechanical strength, must also increase wear-resistant remaining 3~
5mm。
Further, spiral separating device for water with dregs control water level line, institute are provided in the vertebra shape automatic discharge draining section
State lowest part of the spiral separating device for water with dregs control water level line not less than vertebra shape automatic discharge draining section.
Further, the difference in height between the lowest water level line and the feeding end of vertebra shape automatic discharge draining section adds
The sum of pressure compensation height of the upper vertebra shape automatic discharge draining section is height H, and the funnel type collection slag catchments a section discharge end
Diameter is D1, ratio >=5 of the height H and the diameter D1, that is, can ensure that washing slag water catchments section not shape in funnel type collection slag
At perforation whirlpool, so that it is guaranteed that saturation water quenching steam does not scurry into slagging channel, moreover it is possible to efficiently will not by any additionaling power
Yellow phosphorus furnace slag fully enters subsequent spiral pulp water seperator with washing slag water.
It is further preferred that the height between the lowest water level line and the feeding end of vertebra shape automatic discharge draining section
Difference is height H plus the sum of pressure compensation height of vertebra shape automatic discharge draining section, and funnel type collection slag section of catchmenting goes out
Material end diameter is that the ratio of D1, the height H and the diameter D1 are 20~50.According to hydraulic principle and " Bernoulli Jacob side
Journey ", washing slag water and yellow phosphorus furnace slag utilize lowest water level line to the gravitional force between spiral separating device for water with dregs control water level line
The power potential energy of conversion can guarantee that yellow phosphorus furnace slag does not deposit in funnel type collection slag as long as guaranteeing that flushing cinder flow velocity reaches 3~4m/s
It catchments in section.Since saturation water quenching steam is often in slight positive pressure state, consider from safety and convenient for equipment making, H/D1 is generally selected
Select 20~50.
The section discharging it is further preferred that the feed end diameter and funnel type collection slag of the vertebra shape automatic discharge draining section catchment
Holding diameter, gate valve diameter is D1, and the discharge end diameter of the vertebra shape automatic discharge draining section is D2, the diameter D2 with it is described
The ratio of diameter D1 is 2~3.
The beneficial effects of the present invention are:
1. automatic discharge gas collection tower have it is good at many things and expert in one, simple for structure, safe and reliable, cheap, convenient for batch production system
Make, safeguard and control simple advantage, in vertebra shape automatic discharge draining section setting maximum water level and lowest water level line and spiral shell
It revolves separating device for water with dregs and controls water level line, and between the lowest water level line and the feeding end of vertebra shape automatic discharge draining section
Difference in height plus the sum of pressure compensation height of vertebra shape automatic discharge draining section be height H, the funnel type Ji Zhaji
Water section discharge end diameter is D1, ratio >=5 of the height H and the diameter D1 can ensure that washing slag water in funnel type collection slag
Section of catchmenting does not form perforation whirlpool, so that it is guaranteed that saturation water quenching steam does not scurry into slagging channel, moreover it is possible to efficiently not by any
Yellow phosphorus furnace slag is fully entered subsequent spiral pulp water seperator with washing slag water by additionaling power；Since saturation water quenching steam is often in
Slight positive pressure state considers that H/D1 is typically chosen 20~50, and effect is best from safety and convenient for equipment making；
2. water quenching steam is recycled by the collection chamber and saturation water quenching steam fairlead of gas collection tower, save the process
While cost, also thoroughly solves the improvement problem of the weary steam of yellow phosphorus enterprise water quenching disperse everywhere, automatic discharge gas collection tower is also
Can be used for blast furnace cinder water quenching and its weary steam to administer and Exposure degree comprehensive utilization, with ton yellow phosphorus slag recycle 105 DEG C it is micro- just
Pressure saturation water quenching steam 1000m3, heat content is by 2685kj/kg calculating, and the heat of recycling is 1879500kj/t, by standard coal calorific value
29307kj/kg is calculated, and is equivalent to 64kg standard coal, the sensible heat that 10000t/a yellow phosphorus unit year recycles is equivalent to 6400t standard coal
(the raw coal 8960t that equivalent calorific value is 5000 kilocalories)；
3. the outlet of water quenching nozzle is in prolate shape, to reduce suddenly using pipeline section product, flow velocity, the enhancing water of water are improved
It quenches effect；Water quenching nozzle is mounted in the end of wear-resisting cinder-flushing groove, and the slag stream that face falls.It, can also be in main jet in addition to main burner
The two sides cell wall of mouth installs auxiliary jet, to improve water quenching effect；
4. since the composition of yellow phosphorus furnace slag is mainly silicate, wherein 2CaOSiO2With tri- kinds of variants of α, β, γ, only
There is α and β body that there is gelation, part β -2CaOSiO can be prevented by carrying out quenching water quenching using water quenching nozzle2It is converted into γ-
2CaO·SiO2, and cement dusting is caused to lose intensity；Change physical property by water quenching simultaneously, guarantee the integrality of grain slag granulating,
Improve the activity of yellow phosphorus furnace slag.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of automatic discharge gas gathering system；
Fig. 2 is the positive facade section of automatic discharge gas collection tower；
Fig. 3 is A-A top view of automatic discharge gas collection tower；
Fig. 4 is the structural schematic diagram of water quenching nozzle.
In figure, 1- yellow phosphorus slag feed inlet；2- water quenching nozzle；3- grinds cinder-flushing groove；4- buffle sill；5- collection chamber；6- funnel
Type collection slag catchments section；7- maximum water level；8- lowest water level line；9- is saturated water quenching steam fairlead；10- gate valve；11- vertebra shape is certainly
Dynamic deslagging drains section；12- spiral separating device for water with dregs controls water level line；13- spiral pulp water seperator；The weary steaming of 14- low-temperature atmosphere-pressure
Vapour fairlead；15- high-pressure hydraulic pump；The outlet of 16- yellow phosphorus furnace slag；17- main burner；18- auxiliary jet；19- water level observation window.
Specific embodiment
Technical solution of the present invention is described in further detail combined with specific embodiments below, but protection scope of the present invention is not
It is confined to as described below.
A kind of automatic discharge gas gathering system being used to prepare high potential activity yellow phosphorus furnace slag, the automatic discharge gas gathering system
Including automatic discharge gas collection tower, spiral pulp water seperator 13, the weary steam fairlead 14 of low-temperature atmosphere-pressure and high-pressure hydraulic pump 15:
The automatic discharge gas collection tower include yellow phosphorus slag feed inlet 1, water quenching nozzle 2, wear-resisting cinder-flushing groove 3, buffle sill 4,
Collection chamber 5, funnel type collection slag catchment section 6, saturation water quenching steam fairlead 9, gate valve 10 and vertebra shape automatic discharge draining section 11；Institute
The discharge end for stating yellow phosphorus slag feed inlet 1 is connect with the feed end of the wear-resisting cinder-flushing groove 3,1 He of yellow phosphorus slag feed inlet
The wear-resisting cinder-flushing groove 3 is equipped with the water quenching nozzle 2 below same axis, 1 discharge end of yellow phosphorus slag feed inlet；
The water quenching nozzle 2 is connect with the feed end of the wear-resisting cinder-flushing groove 3, and the discharge end of the wear-resisting cinder-flushing groove 3 is provided with the power that disappears
Sill 4；The top for section 6 that the collection chamber 5 is arranged in the wear-resisting cinder-flushing groove 3 and the funnel type collection slag catchments, the collection chamber 5
Saturation water quenching steam fairlead 9 is inside installed；The funnel type collection slag catchments the feed end and the wear-resisting cinder-flushing groove 3 of section 6
Discharge end and the collection chamber 5 are all connected with, the funnel type collection slag catchment section 6 discharge end and the vertebra shape automatic discharge drain
Section 11 feed end connection, the funnel type collection slag catchment section 6 discharge end and the vertebra shape automatic discharge draining section 11 into
Material is equipped with the gate valve 10 between end；
The funnel type collection slag catchment section 6 include maximum water level 7, lowest water level line 8 and water level observation window 20, the water
The observation lowest part of position observation window 20 is lower than the lowest water level line 8, and the observation highest point of the water level observation window 19 is higher than institute
Maximum water level 7 is stated, the maximum water level 7 and the lowest water level line 8 are mounted on acoustic-optic alarm, the highest water
The height of bit line 7 be equal to high pressure washing slag water by the wear-resisting cinder-flushing groove 3 and the funnel type collection slag catchment 6 wall of section collide after shape
At height of shoving plus 8 height of the lowest water level line, the maximum water level 7 is not higher than the bottom of the wear-resisting cinder-flushing groove 3
Plate water level line；
It is the feed end of the spiral pulp water seperator 13, institute below the discharge end of the vertebra shape automatic discharge draining section 11
The top for stating spiral pulp water seperator 13 is provided with the weary steam fairlead 14 of the low-temperature atmosphere-pressure, the spiral pulp water seperator 13
Discharge end be provided with yellow phosphorus furnace slag outlet 16, the high-pressure hydraulic pump 15 water that the spiral pulp water seperator 13 is isolated
It is delivered to realization flushing cinder water circulation use at the water quenching nozzle 2.
Specifically, the yellow phosphorus slag feed inlet 1 be the fire resisting slot of open type entrance or be that melting charge exports small set group
Part.
Specifically, the water quenching nozzle 2 includes main burner 17 and auxiliary jet 18, and the auxiliary jet 18 is mounted on the main jet
On the two sides cell wall of mouth 17；The outlet of the water quenching nozzle 2 is in prolate shape.
Specifically, the wear-resisting cinder-flushing groove 3 and the buffle sill 4 are that abrasion-resistant stee welding fabrication or loaded concrete are poured and built up
Type；3 inner wall smooth of wear-resisting cinder-flushing groove, smooth, the bottom board slope of the wear-resisting cinder-flushing groove 3 is 1%~5%.
Specifically, the collection chamber 5 and the funnel type collection slag catchment section 6 by being welded into one, the collection chamber 5
With the funnel type integrate slag catchment section 6 material as steel, the collection chamber 5 and the funnel type collection slag catchment the outside of section 6
It is provided with heat-preservation cotton.
Specifically, the funnel type collection slag catchments the discharge end of section 6 and the gate valve 10 is detachably connected by flange, institute
It states gate valve 10 and the feed end of vertebra shape automatic discharge draining section 11 is detachably connected by flange；The funnel type Ji Zhaji
The material of water section 6, gate valve 10 and vertebra shape automatic discharge draining section 11 is antiwear high manganese steel, alloy abrasion resistant steel or chrome molybdenum silico-manganese steel.
Specifically, it is provided with spiral separating device for water with dregs control water level line 12 in the vertebra shape automatic discharge draining section 11,
Lowest part of the spiral separating device for water with dregs control water level line 12 not less than vertebra shape automatic discharge draining section 11.
Specifically, the difference in height between the lowest water level line 8 and the feeding end of vertebra shape automatic discharge draining section 11
In addition the sum of pressure compensation height of vertebra shape automatic discharge draining section 11 is height H, funnel type collection slag section 6 of catchmenting goes out
Expect end diameter and vertebra shape automatic discharge draining section 11 feed end diameter and 10 diameter of gate valve be D1, the height H with it is described
Ratio >=5 of diameter D1.
Specifically, the difference in height between the lowest water level line 8 and the feeding end of vertebra shape automatic discharge draining section 11
In addition the sum of pressure compensation height of vertebra shape automatic discharge draining section 11 is height H, funnel type collection slag section 6 of catchmenting goes out
Material end diameter is that the ratio of D1, the height H and the diameter D1 are 20~50.
Specifically, the feed end diameter of the vertebra shape automatic discharge draining section 11 is D1, the vertebra shape automatic discharge draining
The discharge end diameter of section 11 is that the ratio of D2, the diameter D2 and the diameter D1 are 2~3.
Yellow phosphorus slag feed inlet 1 is the open type entrance of fire resisting brick masonry or is that melting charge exports small set component.Water quenching spray
Mouth 2 is made of steel plate or steel pipe, and outlet is in prolate shape, to reduce suddenly using pipeline section product, improves flow velocity, the enhancing of water
Water quenching effect.Water quenching nozzle is mounted in the end of high-pressure water pipeline, and the slag stream that face falls.In addition to main burner 17, may be used also
Auxiliary jet 18 is installed in the two sides cell wall of main burner 17, to improve water quenching effect.Wear-resisting cinder-flushing groove 3 is provided with buffle sill 4, is
Abrasion-resistant stee welding fabrication or loaded concrete pouring molding.4 main function of buffle sill is to cut down washing slag water in the dynamic of sluice end
Power potential energy slows down and catchments the impact force of section 6 to funnel type collection slag.Funnel type collection slag section 6 of catchmenting is provided with water level observation window 19, collects
Gas chamber 5, funnel type integrate slag and catchment material used in section 6 as steel, and are welded as a whole, and need to carry out isothermal holding.
The effect of gate valve 10: when automatic discharge gas gathering system is switched on, first closing gate valve 10 inputs washing slag water, to funnel type
Collection slag catchments the water level of section 6 when reaching 8 or more lowest water level line, opens gate valve 10 (keeping full-gear), adjustment washing slag water is defeated
Enter amount, the catchment water level of section 6 of funnel type collection slag is made to be higher than lowest water level line 8 and lower than maximum water level 7, it is molten that yellow phosphorus can be inputted
Slag starts water quenching, and again adjust washing slag water input quantity, make funnel type collection slag catchment section 6 stable level be higher than lowest water level
Line 8 and be lower than maximum water level 7.
Difference in height between the lowest water level line 8 and the feeding end of vertebra shape automatic discharge draining section 11 is plus described
The sum of pressure compensation height that vertebra shape automatic discharge drains section 11 is height H, and the funnel type collection slag catchments 6 discharge end diameter of section
For D1, H/D1 is not less than 5, can ensure that washing slag water does not form the whirlpool of perforation in funnel type collection slag section 6 of catchmenting, so that it is guaranteed that saturation
Water quenching steam does not scurry into slagging channel.Foundation hydraulic principle and " Bernoulli equation ", washing slag water and yellow phosphorus furnace slag utilize minimum
The power potential energy that water level line 8 is converted to the gravitional force between spiral separating device for water with dregs control water level line 12, as long as guaranteeing punching
Slag flow velocity reaches 3~4m/s, that is, can guarantee that yellow phosphorus furnace slag does not deposit and catchment in section 6 in funnel type collection slag.Since saturation water quenching is steamed
Vapour is often in slight positive pressure state, considers from safety and convenient for equipment making, H/D1 is typically chosen 20~50.H and funnel type collection slag
The corresponding relationship that section of catchmenting bores bottom flushing cinder flow velocity is as shown in table 1:
Table 1:H and funnel type collection slag catchment the corresponding relationship of section cone bottom flushing cinder flow velocity
Automatic discharge gas collection tower and semi-enclosed spiral pulp water seperator 10, high-pressure hydraulic pump 13 form automatic discharge gas collection system
System.And 0.6~0.75kg washing slag water is supplemented to semi-enclosed spiral separating device for water with dregs by every water quenching 1kg yellow phosphorus furnace slag, it is ensured that
System washing slag water normal circulation.The low-temperature atmosphere-pressure or the weary steam of micro-positive pressure that spiral pulp water seperator 13 is collected are from the weary steaming of low-temperature atmosphere-pressure
Vapour fairlead 14 is incorporated to saturation water quenching steam fairlead 9 or emptying.
The feed end diameter of the vertebra shape automatic discharge draining section 11 is D12, the vertebra shape automatic discharge draining section 11
Discharge end diameter is that the ratio of D2, the diameter D2 and the diameter D1 are 2~3.Vertebra shape automatic discharge drains 11 feed end of section
Flow velocity and funnel type collection the slag 6 discharge end flow velocity of section that catchments it is identical, when water flow drains 11 discharge end of section by vertebra shape automatic discharge,
Since sectional area increases by 4~9 times, therefore flow velocity reduces by 4~9 times, not only improves yellow phosphorus furnace slag rapid subsidence and separates in spiral pulp water
In the material collecting tank of machine 13, while the vacuum acquirement potential energy compensation of the generation of vertebra shape automatic discharge draining section 11 being utilized again, makes Huang
Phosphorus clinker and washing slag water are quickly discharged.Above-mentioned measure, complete make yellow phosphorus furnace slag with washing slag water efficiently not by any additionaling power
Portion rapidly inputs subsequent spiral pulp water seperator 13 automatically.
Automatic discharge gas gathering system of the invention using the present inventor separately application " a kind of yellow phosphorus furnace slag prepares foam type
The method of material " disclosed in control yellow phosphorus slag residual phosphorus pentoxide content method, by phosphorus ore, silica and carbonaceous reducing agent
It is 0.80~0.90 according to the ratio of the gross mass of silica and aluminum oxide and the gross mass of calcium oxide and magnesia, carbon
Excess coefficient is 1.00~1.07 progress phosphorus productions, can be obtained the low remaining high potential activity Yellow phosphorus furnace of phosphorus pentoxide
Slag.
The above is only a preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and can be at this
In the text contemplated scope, modifications can be made through the above teachings or related fields of technology or knowledge.And those skilled in the art institute into
Capable modifications and changes do not depart from the spirit and scope of the present invention, then all should be in the protection scope of appended claims of the present invention
It is interior.
Claims (10)
1. a kind of automatic discharge gas gathering system for being used to prepare high potential activity yellow phosphorus furnace slag, which is characterized in that the automatic row
Slag gas gathering system includes automatic discharge gas collection tower, spiral pulp water seperator, the weary steam fairlead of low-temperature atmosphere-pressure and high-pressure hydraulic pump:
The automatic discharge gas collection tower includes yellow phosphorus slag feed inlet, water quenching nozzle, wear-resisting cinder-flushing groove, buffle sill, collection chamber, leakage
Bucket type collection slag catchment section, saturation water quenching steam fairlead, gate valve and vertebra shape automatic discharge draining section；The yellow phosphorus slag feed inlet
Discharge end connect with the feed end of the wear-resisting cinder-flushing groove, the yellow phosphorus slag feed inlet and the wear-resisting cinder-flushing groove are same
Axis is equipped with the water quenching nozzle below the yellow phosphorus slag feed inlet discharge end；The water quenching nozzle with it is described wear-resisting
The feed end of cinder-flushing groove connects, and the discharge end of the wear-resisting cinder-flushing groove is provided with buffle sill；The collection chamber is arranged described resistance to
Mill cinder-flushing groove and the funnel type collection slag catchment the top of section, and the top of the collection chamber is equipped with saturation water quenching steam and draws
Pipe；The funnel type collection slag catchments the feed end of section and the discharge end of the wear-resisting cinder-flushing groove and the collection chamber are all connected with, institute
It states the catchment feed end of discharge end and the vertebra shape automatic discharge draining section of section of funnel type collection slag to connect, the funnel type collection slag
The gate valve is installed between the discharge end for section of catchmenting and the feed end of vertebra shape automatic discharge draining section；
Funnel type collection slag section of catchmenting includes maximum water level, lowest water level line and water level observation window, the water level observation window
Lowest part be lower than the lowest water level line, the highest point of the water level observation window is higher than the maximum water level, the highest
Water level line and the lowest water level line are mounted on acoustic-optic alarm, and the height of the maximum water level is greater than high pressure washing slag water
The height of shoving formed after section wall collides is catchmented plus institute by the wear-resisting cinder-flushing groove and buffle sill and the funnel type collection slag
Lowest water level line height is stated, the maximum water level is not higher than the bottom plate water level line of the wear-resisting cinder-flushing groove；
It is the feed end of the spiral pulp water seperator, the spiral slag below the discharge end of the vertebra shape automatic discharge draining section
The weary steam fairlead of the low-temperature atmosphere-pressure is provided with above water separator, the discharge end of the spiral pulp water seperator is provided with
The isolated water of the spiral pulp water seperator is delivered at the water quenching nozzle by yellow phosphorus furnace slag outlet, the high-pressure hydraulic pump
Realize flushing cinder water circulation use.
2. a kind of automatic discharge gas gathering system for being used to prepare high potential activity yellow phosphorus furnace slag according to claim 1,
Be characterized in that, the yellow phosphorus slag feed inlet be the fire resisting slot of open type entrance or be that melting charge exports small set component.
3. a kind of automatic discharge gas gathering system for being used to prepare high potential activity yellow phosphorus furnace slag according to claim 1,
It is characterized in that, the water quenching nozzle includes main burner and auxiliary jet, and the auxiliary jet is mounted on the two sides cell wall of the main burner
On；The outlet of the water quenching nozzle is in prolate shape.
4. a kind of automatic discharge gas gathering system for being used to prepare high potential activity yellow phosphorus furnace slag according to claim 1,
It is characterized in that, the wear-resisting cinder-flushing groove and the buffle sill are abrasion-resistant stee welding fabrication or loaded concrete pouring molding；It is described
Wear-resisting cinder-flushing groove inner wall smooth, smooth, the bottom board slope of the wear-resisting cinder-flushing groove is 1%~5%.
5. a kind of automatic discharge gas gathering system for being used to prepare high potential activity yellow phosphorus furnace slag according to claim 1,
It is characterized in that, the collection chamber and the funnel type collection slag catchment section by being welded into one, the collection chamber and the leakage
Bucket type integrate slag catchment section material as steel, the catchment outside of section of the collection chamber and the funnel type collection slag is provided with heat preservation
Cotton.
6. a kind of automatic discharge gas gathering system for being used to prepare high potential activity yellow phosphorus furnace slag according to claim 1,
Be characterized in that, the catchment discharge end of section of the funnel type collection slag is detachably connected with the gate valve by flange, the gate valve with
The feed end of the vertebra shape automatic discharge draining section is detachably connected by flange；The funnel type collection slag catchment section, gate valve and
The material that vertebra shape automatic discharge drains section is antiwear high manganese steel, alloy abrasion resistant steel or chrome molybdenum silico-manganese steel.
7. a kind of automatic discharge gas gathering system for being used to prepare high potential activity yellow phosphorus furnace slag according to claim 1 or 6,
It is characterized in that, being provided with spiral separating device for water with dregs control water level line, the spiral in the vertebra shape automatic discharge draining section
Separating device for water with dregs controls lowest part of the water level line not less than vertebra shape automatic discharge draining section.
8. a kind of automatic discharge gas gathering system for being used to prepare high potential activity yellow phosphorus furnace slag according to claim 1,
It is characterized in that, the difference in height between the lowest water level line and the feeding end of vertebra shape automatic discharge draining section adds the vertebra
The sum of pressure compensation height that shape automatic discharge drains section is height H, and the funnel type integrates slag and catchments section discharge end diameter as D1,
Ratio >=5 of the height H and the diameter D1.
9. a kind of automatic discharge gas gathering system for being used to prepare high potential activity yellow phosphorus furnace slag according to claim 8,
It is characterized in that, the difference in height between the lowest water level line and the feeding end of vertebra shape automatic discharge draining section adds the vertebra
The sum of pressure compensation height that shape automatic discharge drains section is height H, and the funnel type integrates slag and catchments section discharge end diameter as D1,
The ratio of the height H and diameter D1 is 20~50.
10. a kind of according to claim 1,6,8~9 described in any item automatic rows for being used to prepare high potential activity yellow phosphorus furnace slag
Slag gas gathering system, which is characterized in that the feed end diameter and funnel type collection slag of the vertebra shape automatic discharge draining section section of catchmenting go out
Expect that end diameter, gate valve diameter are D1, the discharge end diameter of the vertebra shape automatic discharge draining section is D2, the diameter D2 and institute
The ratio for stating diameter D1 is 2~3.
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| CN111748664A (en) * | 2020-06-30 | 2020-10-09 | 辽宁科技大学 | Blast furnace ironmaking slag heat utilization system |
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