CN109609712A - A method of the bored processing of heat being carried out to steel slag using vertical steel slag bored pot - Google Patents
A method of the bored processing of heat being carried out to steel slag using vertical steel slag bored pot Download PDFInfo
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- CN109609712A CN109609712A CN201910029133.4A CN201910029133A CN109609712A CN 109609712 A CN109609712 A CN 109609712A CN 201910029133 A CN201910029133 A CN 201910029133A CN 109609712 A CN109609712 A CN 109609712A
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- bored
- inner cavity
- steel slag
- pot body
- heat
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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
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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
- C21B3/10—Slag pots; Slag cars
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Furnace Details (AREA)
Abstract
As follows the invention discloses a kind of method for carrying out the bored processing of heat to steel slag using the bored pot of vertical steel slag: cinder ladle after solid state heat steel slag is poured into cinder ladle, is put into pot body, and close locking end cap by step 1, dress slag capping；Step 2, pressure difference heat is bored, and the positive pressure difference heat of progress first is bored, carries out the control of pressure stabilizing difference later, and subsequently progress reverse differential pressure heat is bored, carries out the control of pressure stabilizing difference later；Step 3 replaces pressure release, inert gas is introduced into the inner cavity of pot body and support base by inert gas introduction section, and open exhaust valve and carry out its air displacement, until its imflammable gas concentration is lower than setting value；It is then shut off inert gas introduction section, and continues through exhaust valve exhaust, until itself and the pressure difference outside pot body are zero；End cap is opened in step 4, draining of slagging tap, and the intracorporal cinder ladle of pot is taken out, and open drainpipe and drained.The processing method designed in this way is more environmentally friendly, and treatment effect is more preferable, more efficient, and safer.
Description
Technical field
It is the present invention relates to steel slag hot disintegrating processing technology field, in particular to a kind of that steel slag is carried out using vertical steel slag bored pot
The method of the bored processing of heat.
Background technique
Current process for treating steel slag has very much, such as: hot application method, the bored method of heat, water quenching hair, wind quenching method, drum granulation method
Etc..Respectively have excellent lack: wherein the slag processing efficiency of hot application method is lower, and pollutes environment；Wherein hot bored method and water quenching exist
Security risk is larger；Wherein the compressed air consumption of wind quenching method is larger, and noise is big；The wherein efficiency one of drum granulation method
As, equipment energy consumption is higher, and failure rate and investment are bigger.
Summary of the invention
The object of the present invention is to provide it is a kind of it is more environmentally friendly, treatment effeciency is higher, treatment effect is better, safer
Process for treating steel slag.
The object of the present invention is achieved like this: a kind of side carrying out the bored processing of heat to steel slag using the bored pot of vertical steel slag
Method；The above-mentioned bored pot of steel slag includes pot body, capping apparatus, further includes the cinder ladle for being placed on pot nside；Above-mentioned pot nside is equipped with
For placing the supporting mechanism of cinder ladle；Above-mentioned supporting mechanism includes the support base being tightly connected with cinder ladle, further includes that setting is being propped up
Support the fixing seat inside seat；Lower end outside above-mentioned pot body is equipped with collet, is additionally provided with several drainpipes；The above-mentioned drainpipe in part with
The inner cavity of support base is connected, and the above-mentioned drainpipe in other part is connected with pot body cavity；It is additionally provided on the outer wall of above-mentioned pot body
Exhaust valve being arranged two-by-two, being connected respectively with pot body cavity and support base inner cavity, inert gas air inlet, is born monitoring mouth
Press bleeding point, water vapour air inlet；Above-mentioned capping apparatus includes end cap, further includes the turnover mechanism for opening and closing end cap, also wraps
The hold-down mechanism for compressing end cap is included, further includes the retaining mechanism for locking end cap；Sprinkler is equipped on the inside of above-mentioned end cap
Structure, the top of above-mentioned end cap are equipped with the position-limit mechanism for limiting end cap angle position；The lower portion of above-mentioned cinder ladle is in support
In the inner cavity of seat, and the outer wall of above-mentioned cinder ladle lower half is equipped with several equally distributed air holes；The bored pot further includes real-time
Monitoring device, inert gas introduction section, negative pressure manufacturing device, steam manufacturing device and control host.
The processing method is as follows:
Step 1, dress slag capping, pours into cinder ladle for solid state heat steel slag first；Then the slag of solid state heat steel slag will be housed by driving
Packet is put into pot body；Finally close end cap, and lock sealing.
Step 2, pressure difference heat is bored, and the positive pressure difference heat of progress first is bored, opens water spraying mechanism, and the water of ejection is contacted with steel slag,
A large amount of water vapours are generated in pot body cavity, part water vapour is penetrated into inside steel slag by gap and reacted with it, and there are also parts
It penetrates into inside cinder ladle, and from the inner cavity that air hole is flowed into support base；The control of pressure stabilizing difference is carried out later, i.e., by supervising in real time
The monitoring of device, the variation of confirmation pot body cavity and the pressure difference of support base inner cavity are surveyed, and passes through negative pressure manufacturing device and steam system
The real-time adjusting of device is made, so that the pressure difference difference of pot body cavity and support base inner cavity is stablized, pressure difference direction is constant, and continues one
It fixes time；It is bored subsequently to carry out reverse differential pressure heat, by the control of negative pressure manufacturing device and steam manufacturing device, so that in pot body
Pressure in chamber is lower than the pressure in support base inner cavity, and pressure difference direction changes, and part water vapour is penetrated by air hole
Inside steel slag, steel slag is partially penetrated by gap, and react with it, there are also after partial penetration to cinder ladle inside, from cinder ladle
Opening is flowed into pot body cavity；The control of pressure stabilizing difference, and certain time are carried out later.
Step 3 replaces pressure release, cryogenic inert gas is introduced into pot body cavity by inert gas introduction section first
With support base inner cavity, and the air displacement that exhaust valve carries out pot body cavity and support base inner cavity is opened, until pot body cavity and branch
The imflammable gas concentration supportted in seat inner cavity is lower than setting value；It is then shut off inert gas introduction section, and continues through exhaust
Valve exhaust, until the pressure difference outside pot body cavity, support base inner cavity and pot body is zero.
Step 4, draining of slagging tap are opened end cap, the intracorporal cinder ladle of pot are hung out, and open drainpipe and drained.
Compared with prior art, the beneficial effects of the present invention are: carry out break process in closed environment, will not generate
Dust pollution, thus it is more environmentally friendly；Equipped with exhaust valve, inert gas introduction section, real time monitoring apparatus, luminous energy is not found hidden in time
Suffer from, moreover it is possible to hidden danger is solved in time, thus safer.Constant pressure is produced by negative pressure manufacturing device and steam manufacturing device
Difference promotes the flowing of water vapour, improves the permeability of water vapour, contacts it with steel slag more abundant, effectively clears up in steel slag
Calcium oxide, magnesia also greatly improve treatment effeciency to reach better treatment effect；Additionally it is provided with vibration
Crushing device further promotes treatment effect and treatment effeciency.
As a preferred solution of the present invention, above-mentioned cinder ladle is connect with support base movable sealing；Above-mentioned fixing seat is equipped with vibration
Dynamic crushing device, above-mentioned cinder ladle bottom is placed on swing crushing device；Above-mentioned swing crushing device includes several uniformly and solid
Surely the damper being mounted in fixing seat further includes the vibrating seat that several damper upper ends are arranged in simultaneously, further includes fixing
The vibrating motor being mounted on vibrating seat；Step 2 is that vibration pressure difference heat is bored at this time, first turns on swing crushing device；Then into
Row forward direction pressure difference heat is bored；The control of pressure stabilizing difference is carried out later；It is bored subsequently to carry out reverse differential pressure heat；Carry out pressure stabilizing difference control again later
System.
Further, in step 2 or step 3, as long as real-time monitoring device monitors in pot body cavity or support base
When temperature or flammable gas concentration or air pressure in chamber are more than warning numerical value, control host is just alarmed, and takes corresponding measure,
Above-mentioned steam manufacturing device is closed, and above-mentioned inert gas introduction section is opened, and above-mentioned water spraying mechanism is opened in due course, above-mentioned exhaust valve
It opens, above-mentioned negative pressure manufacturing device is opened in due course, and above-mentioned drainpipe is opened in due course.
Further, in step 1 above-mentioned solid state heat steel slag be temperature 600 DEG C or so, granularity is less than 400 ㎜, solid
The steel slag of state.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the bored pot of steel slag used in the present invention.
Fig. 2 is the schematic diagram of internal structure of the bored pot of steel slag used in the present invention.
Wherein, 1 pot body, 2, supporting mechanism, 201 support bases, 202 fixing seats, 203 swing crushing devices, 203a damper,
203b vibrating seat, 203c vibrating motor, 3 collets, 4 sewage pipes, 4a pushing off the slag filter mechanism, 5 exhaust valves, 6 monitoring mouths, 7 indifferent gas
Body air inlet, 8 negative pressure ventilation mouths, 9 water vapour air inlets, 10 end caps, 10a water spraying mechanism, 10b position-limit mechanism, 11 tippers
Structure, 12 hold-down mechanisms, 13 retaining mechanisms, 14 cinder ladles, 14a air hole, 15 real-time monitoring devices, 16 inert gas introduction sections,
17 negative pressure manufacturing devices, 18 steam manufacturing devices, 19 control hosts.
Specific embodiment
As shown in Figs. 1-2, a method of the bored processing of heat being carried out to steel slag using vertical steel slag bored pot；The above-mentioned bored pot of steel slag
It further include the cinder ladle 14 being placed on inside pot body 1 including pot body 1, capping apparatus.
The supporting mechanism 2 for placing cinder ladle 14 is equipped with inside above-mentioned pot body 1；Above-mentioned supporting mechanism 2 includes and cinder ladle 14
The support base 201 of movable sealing connection, further includes the fixing seat 202 being arranged in inside support base 201；In above-mentioned fixing seat 202
Equipped with swing crushing device 203, above-mentioned 14 bottom of cinder ladle is placed on swing crushing device 203；Above-mentioned swing crushing device 203
It further include that several dampers are set simultaneously including damper 203a that is several uniform and being fixedly mounted in fixing seat 202
The vibrating seat 203b of the upper end 203a further includes the vibrating motor 203c being fixedly mounted on vibrating seat 203b；Outside above-mentioned pot body 1
Lower end be equipped with collet 3, be additionally provided with several drainpipes 4；The above-mentioned drainpipe 4 in part is connected with the inner cavity of support base 201, in addition
The above-mentioned drainpipe 4 in part is connected with 1 inner cavity of pot body；Be additionally provided on the outer wall of above-mentioned pot body 1 it is being arranged two-by-two, respectively with pot body
Exhaust valve 5 that 1 inner cavity is connected with 201 inner cavity of support base, monitoring mouth 6, inert gas air inlet 7, negative pressure ventilation mouth 8, water steam
Vapour air inlet 9.
Above-mentioned capping apparatus includes end cap 10, further includes the turnover mechanism 11 for opening and closing end cap 10, further includes for pressing
The hold-down mechanism 12 of tight end cap 10, further includes the retaining mechanism 13 for locking end cap 10；Water spray is equipped on the inside of above-mentioned end cap 10
Mechanism 10a, the top of above-mentioned end cap 10 are equipped with the position-limit mechanism 10b for limiting 10 angle position of end cap.
The lower portion of above-mentioned cinder ladle 14 is set in the inner cavity of support base 201, and on the outer wall of 14 lower half of above-mentioned cinder ladle
There are several equally distributed air hole 14a.
The bored pot further includes real-time monitoring device 15, inert gas introduction section 16, negative pressure manufacturing device 17, steam manufacture
Device 18 and control host 19.
The processing method is as follows:
Step 1, dress slag capping, pours into cinder ladle 14 for solid state heat steel slag first；Then solid state heat steel slag will be equipped with by driving
Cinder ladle 14 is put into pot body 1；Finally close end cap 10, and lock sealing.
Step 2, vibration pressure difference heat is bored, first turns on swing crushing device 203；Then it is bored to carry out positive pressure difference heat, opens
The water of water spraying mechanism 10a, ejection are contacted with steel slag, and a large amount of water vapours are generated in 1 inner cavity of pot body, and part water vapour passes through gap
It penetrates into inside steel slag and reacts with it, there are also inside partial penetration to cinder ladle 14, and be flowed into support base 201 from air hole 14a
Inner cavity in；The control of pressure stabilizing difference is carried out later, that is, passes through the monitoring of real-time monitoring device 15, confirms 1 inner cavity of pot body and support base
The variation of the pressure difference of 201 inner cavities, and pass through the real-time adjusting of negative pressure manufacturing device 17 and steam manufacturing device 18, so that pot body 1
The pressure difference difference of inner cavity and 201 inner cavity of support base is stablized, and pressure difference direction is constant, and certain time；It subsequently carries out reversed
Pressure difference heat is bored, by the control of negative pressure manufacturing device 17 and steam manufacturing device 18, so that the pressure in 1 inner cavity of pot body is lower than branch
The pressure in 201 inner cavity of seat is supportted, pressure difference direction changes, and part water vapour is penetrated into inside steel slag by air hole 14a, portion
Divide and steel slag is penetrated by gap, and react with it, there are also after partial penetration to 14 inside of cinder ladle, is flowed into from 14 upper opening of cinder ladle
Into 1 inner cavity of pot body；The control of pressure stabilizing difference, and certain time are carried out later.
Step 3 replaces pressure release, cryogenic inert gas is introduced into pot body 1 by inert gas introduction section 16 first
201 inner cavity of chamber and support base, and the air displacement that exhaust valve 5 carries out 1 inner cavity of pot body and 201 inner cavity of support base is opened, until pot
Imflammable gas concentration in 201 inner cavity of 1 inner cavity of body and support base is lower than setting value；It is then shut off inert gas introduction section
16, and the exhaust of exhaust valve 5 is continued through, until the pressure difference outside 1 inner cavity of pot body, 201 inner cavity of support base and pot body 1 is zero.
Step 4, draining of slagging tap are opened end cap 10, the cinder ladle 14 in pot body 1 are hung out, and open drainpipe 4 and arranged
Water.
In step 2 or step 3, as long as real-time monitoring device 15 monitors in 201 inner cavity of 1 inner cavity of pot body or support base
Temperature or flammable gas concentration or air pressure when being more than warning numerical value, control host 19 is just alarmed, and takes corresponding measure, on
The closing of steam manufacturing device 18 is stated, above-mentioned inert gas introduction section 16 is opened, and above-mentioned water spraying mechanism 10a is opened in due course, above-mentioned
Exhaust valve 5 is opened, and above-mentioned negative pressure manufacturing device 17 is opened in due course, and above-mentioned drainpipe 4 is opened in due course.
In step 1 above-mentioned solid state heat steel slag be temperature 600 DEG C or so, granularity is less than 400 ㎜, solid steel slags.
The present invention is not limited to the above embodiments, on the basis of technical solution disclosed by the invention, the skill of this field
For art personnel according to disclosed technology contents, one can be made to some of which technical characteristic by not needing creative labor
A little replacements and deformation, these replacements and deformation are within the scope of the invention.
Claims (4)
1. a kind of method for carrying out the bored processing of heat to steel slag using the bored pot of vertical steel slag, it is characterised in that: the bored pot packet of steel slag
Pot body (1), capping apparatus are included, further includes being placed on the internal cinder ladle (14) of pot body (1)；It is equipped with and is used for inside the pot body (1)
Place the supporting mechanism (2) of cinder ladle (14)；The supporting mechanism (2) includes the support base (201) being tightly connected with cinder ladle (14),
It further include the setting fixing seat (202) internal in support base (201)；The external lower end of the pot body (1) is equipped with collet (3), also
Equipped with several drainpipes (4)；The part drainpipe (4) is connected with the inner cavity of support base (201), drains described in other part
Pipe (4) is connected with pot body (1) inner cavity；Be additionally provided on the outer wall of the pot body (1) it is being arranged two-by-two, respectively and pot body (1) in
Exhaust valve (5) that chamber is connected with support base (201) inner cavity, monitoring mouth (6), inert gas air inlet (7), negative pressure ventilation mouth
(8), water vapour air inlet (9)；The capping apparatus includes end cap (10), further includes the turnover mechanism for opening and closing end cap (10)
(11), further include for compressing the hold-down mechanism of end cap (10) (12), further include the retaining mechanism for locking end cap (10)
(13)；It is equipped with water spraying mechanism (10a) on the inside of the end cap (10), the top of the end cap (10) is equipped with for limiting end cap (10)
The position-limit mechanism (10b) of angle position；The lower portion of the cinder ladle (14) is in the inner cavity of support base (201), and the slag
The outer wall for wrapping (14) lower half is equipped with several equally distributed air holes (14a)；The bored pot further includes real-time monitoring device
(15), inert gas introduction section (16), negative pressure manufacturing device (17), steam manufacturing device (18) and control host (19)；
The processing method is as follows:
Step 1, dress slag capping, pours into cinder ladle (14) for solid state heat steel slag first；Then solid state heat steel slag will be equipped with by driving
Cinder ladle (14) be put into pot body 1；End cap (10) finally are closed, and lock sealing；
Step 2, pressure difference heat is bored, and the positive pressure difference heat of progress first is bored, opens water spraying mechanism (10a), water and the steel slag of ejection connect
Touching, generates a large amount of water vapours in pot body (1) inner cavity, and part water vapour is penetrated into inside steel slag by gap and reacted with it, also
It is internal to cinder ladle (14) there is partial penetration, and is flowed into the inner cavity of support base (201) from air hole (14a)；It carries out later steady
Pressure difference control, that is, pass through the monitoring of real-time monitoring device (15), confirms the pressure difference of pot body (1) inner cavity and support base (201) inner cavity
Variation, and by the real-time adjustings of negative pressure manufacturing device (17) and steam manufacturing device (18) so that pot body (1) inner cavity with prop up
The pressure difference difference for supportting seat (201) inner cavity is stablized, and pressure difference direction is constant, and certain time；Subsequently carry out reverse differential pressure heat
It is bored, by the control of negative pressure manufacturing device (17) and steam manufacturing device (18), so that the pressure in pot body (1) inner cavity is lower than branch
The pressure in seat (201) inner cavity is supportted, pressure difference direction changes, and part water vapour is penetrated into steel slag by air hole (14a)
Portion partially penetrates into steel slag by gap, and reacts with it, there are also behind partial penetration to cinder ladle (14) inside, from cinder ladle (14)
Upper opening is flowed into pot body (1) inner cavity；The control of pressure stabilizing difference, and certain time are carried out later；
Step 3 replaces pressure release, and cryogenic inert gas is introduced into pot body (1) by inert gas introduction section (16) first
Chamber and support base (201) inner cavity, and the air for opening exhaust valve (5) progress pot body (1) inner cavity and support base (201) inner cavity is set
It changes, until the imflammable gas concentration in pot body (1) inner cavity and support base (201) inner cavity is lower than setting value；It is then shut off inertia
Gas introducing apparatus (16), and exhaust valve (5) exhaust is continued through, until pot body (1) inner cavity, support base (201) inner cavity and pot
The pressure difference of body (1) outside is zero；
Step 4, draining of slagging tap, open end cap (10), the cinder ladle (14) in pot body (1) is hung out, and open drainpipe (4) into
Row draining.
2. a kind of method for carrying out the bored processing of heat to steel slag using the bored pot of vertical steel slag according to claim 1, feature
Be: the cinder ladle (14) connect with support base (201) movable sealing；The fixing seat (202) is equipped with swing crushing device
(203), cinder ladle (14) bottom is placed on swing crushing device (203)；The swing crushing device (203) includes several
Damper (203a) that is uniform and being fixedly mounted on fixing seat (202), further includes that several dampers are arranged in simultaneously
The vibrating seat (203b) of the upper end (203a) further includes the vibrating motor (203c) being fixedly mounted on vibrating seat (203b)；
Step 2 is that vibration pressure difference heat is bored at this time, first turns on swing crushing device (203)；Then it is bored to carry out positive pressure difference heat；
The control of pressure stabilizing difference is carried out later；It is bored subsequently to carry out reverse differential pressure heat；Carry out pressure stabilizing difference control again later.
3. a kind of method for carrying out the bored processing of heat to steel slag using the bored pot of vertical steel slag according to claim 1 or 2, special
Sign is: in step 2 or step 3, as long as real-time monitoring device (15) monitors pot body (1) inner cavity or support base (201)
When temperature or flammable gas concentration or air pressure in inner cavity are more than warning numerical value, control host (19) is just alarmed, and takes phase
Measure is answered, the steam manufacturing device (18) is closed, and the inert gas introduction section (16) is opened, the water spraying mechanism
(10a) is opened in due course, and the exhaust valve (5) is opened, and the negative pressure manufacturing device (17) is opened in due course, and the drainpipe (4) is suitable
When open.
4. a kind of method for carrying out the bored processing of heat to steel slag using the bored pot of vertical steel slag according to claim 1, feature
Be: solid state heat steel slag described in step 1 be temperature 600 DEG C or so, granularity is less than 400 ㎜, solid steel slags.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910029133.4A CN109609712B (en) | 2019-01-12 | 2019-01-12 | Method for carrying out hot stuffy treatment on steel slag by utilizing vertical steel slag stuffy pot |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910029133.4A CN109609712B (en) | 2019-01-12 | 2019-01-12 | Method for carrying out hot stuffy treatment on steel slag by utilizing vertical steel slag stuffy pot |
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| CN109609712B CN109609712B (en) | 2020-04-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041134A (en) * | 2019-07-10 | 2020-04-21 | 江苏富凯重工机械有限公司 | Method for carrying out hot stuffy treatment on steel slag by using steel slag stuffy pot |
| CN111763786A (en) * | 2020-08-04 | 2020-10-13 | 中冶节能环保有限责任公司 | High-temperature steel slag carbonization deep stabilization treatment device and method |
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| CN105063255A (en) * | 2015-08-06 | 2015-11-18 | 中冶节能环保有限责任公司 | Vertical steel slag pressure hot-disintegration still kettle and slag processing method |
| CN204981914U (en) * | 2015-08-06 | 2016-01-20 | 中冶节能环保有限责任公司 | Vertical slag has vexed pressure cauldron that evaporates of heat of pressure |
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| CN102230036A (en) * | 2011-04-02 | 2011-11-02 | 中冶建筑研究总院有限公司 | Waste-heat pressure closed-loop thermal treatment method for molten steel slag |
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| CN105063255A (en) * | 2015-08-06 | 2015-11-18 | 中冶节能环保有限责任公司 | Vertical steel slag pressure hot-disintegration still kettle and slag processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111041134A (en) * | 2019-07-10 | 2020-04-21 | 江苏富凯重工机械有限公司 | Method for carrying out hot stuffy treatment on steel slag by using steel slag stuffy pot |
| CN111041134B (en) * | 2019-07-10 | 2021-11-26 | 江苏富凯重工机械有限公司 | Method for carrying out hot stuffy treatment on steel slag by using steel slag stuffy pot |
| CN111763786A (en) * | 2020-08-04 | 2020-10-13 | 中冶节能环保有限责任公司 | High-temperature steel slag carbonization deep stabilization treatment device and method |
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| CN109609712B (en) | 2020-04-17 |
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