CN107957200A - A kind of sinter multicell uprightly cools down furnace side and goes out formula feeding system - Google Patents
A kind of sinter multicell uprightly cools down furnace side and goes out formula feeding system Download PDFInfo
- Publication number
- CN107957200A CN107957200A CN201711428635.1A CN201711428635A CN107957200A CN 107957200 A CN107957200 A CN 107957200A CN 201711428635 A CN201711428635 A CN 201711428635A CN 107957200 A CN107957200 A CN 107957200A
- Authority
- CN
- China
- Prior art keywords
- mineral aggregate
- guide chute
- sinter
- cooling
- furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 claims abstract description 70
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 55
- 239000011707 mineral Substances 0.000 claims abstract description 55
- 230000003139 buffering effect Effects 0.000 claims abstract description 36
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000003546 flue gas Substances 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 16
- 239000000112 cooling gas Substances 0.000 claims description 9
- 238000005299 abrasion Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 239000011449 brick Substances 0.000 claims description 3
- 230000001934 delay Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 239000003500 flue dust Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 206010068052 Mosaicism Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 210000003765 sex chromosome Anatomy 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
- F27D15/0206—Cooling with means to convey the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
Abstract
Furnace side, which is uprightly cooled down, the present invention relates to a kind of sinter multicell goes out formula feeding system, mineral aggregate buffering chamber is arranged on the top of multiple upright cooling furnaces, the direction that its bottom corresponds to each upright cooling furnace sets inclined-plane, one end connection mineral aggregate buffering chamber bottom bevel of guide chute, the feed inlet of each upright cooling furnace of other end connection；The integral inclined setting of guide chute, sets electric rotating plate valve in guide chute, and electric rotating plate valve is controlled by valve positioner, and valve positioner is arranged on outside guide chute, its control terminal is connected with Central Control Room；Pressure equaliser includes pressure gauge, flue gas balance pipe and pressure-regulating valve, pressure gauge is arranged at the top of mineral aggregate buffering chamber, one end of flue gas balance pipe inside mineral aggregate buffering chamber with being connected, the other end is connected with the recuperated gas outlet conduit of upright cooling furnace, pressure-regulating valve, pressure-regulating valve and pressure gauge interlocked control are set on flue gas balance pipe.The present invention can realize the efficient connection cooling of sinter；It is easy to operate and feed is smooth.
Description
Technical field
The present invention relates to sinter cooling technology field, more particularly to a kind of sinter multicell uprightly to cool down furnace side and go out formula confession
Material system.
Background technology
Sintering circuit energy consumption is huge, and second is occupied in steel and iron industry.Sintering mine sensible heat accounts for more than the 40% of overall heat consumption, such as
What becomes industry focus of attention using this portion of energy.Currently, the cooling of China's sinter and waste heat recovery are mainly cold using ring
Machine technology.From practice, this technology has a disadvantage that：1) because non-uniform charging, cause waste heat parameter fluctuation big, jeopardize
Afterheat utilizing system safety；2) system air leakage problem is serious, still can not be from not catching up with although taking local water seal measure
Solve the problems, such as, cause thermal efficiency decay serious, and the leakage of flue dust inorganization is very big to environmental hazard.
The Chinese patent of Patent No. CN 205940170 discloses " a kind of double vertical sinter cooling furnaces of cooling chamber ", will
Cooling unit is divided into two.However, since it uses the single section that prestores, the section that will not prestore separates.It is uniform to solve only heat exchange
Sex chromosome mosaicism, does not solve continuous pan feeding and maintenance issue fundamentally.Moreover, section feeding device that prestores does not have negative pressure adjusting
Device, causes flue dust easily to be revealed, and pollutes.
The content of the invention
Furnace side is uprightly cooled down the present invention provides a kind of sinter multicell and goes out formula feeding system, and sinter is slipped by guide
Groove is assigned in different upright cooling furnaces, so as to fulfill efficient connection cooling；It is easy to operate and feed is smooth.
In order to achieve the above object, the present invention is realized using following technical scheme：
A kind of sinter multicell uprightly cools down furnace side and goes out formula feeding system, including mineral aggregate transporter, mineral aggregate buffering chamber, guide
Chute, upright cooling furnace and pressure equaliser；The upright cooling furnace is circumferentially evenly arranged to be multiple, and mineral aggregate buffering chamber is set
In the top at upright cooling furnace arrangement center, the side of mineral aggregate buffering chamber is connected with mineral aggregate transporter, the bottom of mineral aggregate buffering chamber
The direction of corresponding each upright cooling furnace sets inclined-plane, one end connection mineral aggregate buffering chamber bottom bevel of guide chute, other end connection
The feed inlet of each upright cooling furnace；The angle of the integral inclined setting of guide chute, its incline direction and horizontal plane is 45 °~
60°；Electric rotating plate valve is set in guide chute, electric rotating plate valve is controlled by valve positioner, and valve positioner is arranged on guide
Outside chute, its control terminal is connected with Central Control Room；Pressure equaliser includes pressure gauge, flue gas balance pipe and pressure and adjusts
Valve, pressure gauge are arranged at the top of mineral aggregate buffering chamber, and one end of flue gas balance pipe inside mineral aggregate buffering chamber be connected, the other end and directly
The recuperated gas outlet conduit of vertical cooling furnace is connected, and pressure-regulating valve, pressure-regulating valve and pressure gauge are set on flue gas balance pipe
Interlocked control.
The electric rotating plate valve is arranged on the mineral aggregate inlet of guide chute, and outwards top, which rotates, opens.
The mineral aggregate buffering chamber, the inner side of guide chute are equipped with abrasion-resistant ceramic lining plate or heat resistant and wear resistant polyurethane lining board,
Insulating layer is set on the outside of guide chute.
The cross section of the guide chute is trapezoidal, and its cross-sectional area is gradually reduced from top to bottom；Guide chute with it is straight
It is tightly connected between vertical cooling furnace.
The main body of the mineral aggregate buffering chamber is circular warehouse, and bottom bevel is polygon.
Transporter seal closure is set on the outside of the mineral aggregate transporter.
The cooling chamber of the upright cooling furnace is circumferentially arranged the cooling chamber wall that refractory brick is built into, and cooling chamber is within the walls along height
To equipped with multiple annular cooled gas paths, each cooled gas path connects the cooling gas conveyance conduit of outside respectively,
Cooled gas path is exported towards inside cooling chamber circumferentially arranged with multiple cooling gas.
Compared with prior art, the beneficial effects of the invention are as follows：
1) mineral aggregate buffering chamber reserves are big, can play good cushioning effect, are conducive to the organized distribution of material；
2) each guide chute is both provided with single electric rotating plate valve, electric rotating plate valve by valve positioner with
Central Control Room connects, and situation is cooled down according to the material of upright cooling furnace, the opening and closing angle of remote controlled electric rotating plate valve and when
Between, realize the controllable distribution of material；
3) inner wall of mineral aggregate buffering chamber and guide chute sets abrasion-resistant ceramic lining plate or polyurethanes high temperature resistant wearing plate, rises
Acted on to good anti-pressure and abrasion-proof, outside sets insulating layer, insulation effect is played, while service life is improved, it is also ensured that ore deposit
Material heat scatters and disappears less；
4) other end of flue gas balance pipe is connected in the relatively low upright furnace outlet conduit of pressure, passes through gauge measurement
Pressure in mineral aggregate buffering chamber, and with pressure-regulating valve interlocked control, it be tiny structure to keep in mineral aggregate buffering chamber, and guarantee mineral aggregate is defeated
Dust will not leak during sending；
5) upright cooling furnace is passed through cooling gas by being circumferentially disposed at the indoor multilayer cooling gas outlet of cooling, right
Sinter carries out three-dimensional cooling, ensures that sinter is uniform, sufficiently cool.
Brief description of the drawings
Fig. 1 is that a kind of sinter multicell of the present invention uprightly cools down the structure diagram that furnace side goes out formula feeding system.
Fig. 2 is the floor plan one of upright cooling furnace of the present invention (exemplified by 3)
Fig. 3 is the floor plan two of upright cooling furnace of the present invention (exemplified by 4)
In figure：1. 4. electric rotating plate valve of mineral aggregate transporter 2. transporter seal closure, 3. mineral aggregate buffering chamber, 5. guide slips
8. pressure gauge of upright 7. valve positioner of cooling furnace, 9. pressure-regulating valve, the 10. flue gas balance pipes 11. of groove 6. are uprightly cold
But outlet of still pipeline
Embodiment
The embodiment of the present invention is described further below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of sinter multicell of the present invention, which uprightly cools down furnace side, goes out formula feeding system, including mineral aggregate fortune
Defeated machine 1, mineral aggregate buffering chamber 3, guide chute 5, upright cooling furnace 6 and pressure equaliser；The upright cooling furnace 6 is multiple edges
It is arranged circumferentially (as shown in Figure 2 and Figure 3), mineral aggregate buffering chamber 3 is arranged on the top at upright cooling furnace 6 arrangement center, mineral aggregate caching
The side in storehouse 3 is connected with mineral aggregate transporter 1, and the direction that the bottom of mineral aggregate buffering chamber 3 corresponds to each upright cooling furnace 6 sets inclined-plane, leads
Expect 3 bottom bevel of one end connection mineral aggregate buffering chamber of chute 5, the feed inlet of each upright cooling furnace 6 of other end connection；Guide slips
The angle of 5 integral inclined setting of groove, its incline direction and horizontal plane is 45 °~60 °；Electric rotating plate valve is set in guide chute 5
4, electric rotating plate valve 4 is controlled by valve positioner 7, and valve positioner 7 is arranged on outside guide chute 5, its control terminal and middle control
Room connects；Pressure equaliser includes pressure gauge 8, flue gas balance pipe 10 and pressure-regulating valve 9, and pressure gauge 8 delays arranged on mineral aggregate
The top of storage 3, one end of flue gas balance pipe 10 are connected with the inside of mineral aggregate buffering chamber 3, the other end and the heat exchange of upright cooling furnace 6
Gases exit line is connected, and pressure-regulating valve 9, pressure-regulating valve 9 and 8 interlocked control of pressure gauge are set on flue gas balance pipe 10.
The electric rotating plate valve 4 is arranged on the mineral aggregate inlet of guide chute 5, and outwards top, which rotates, opens.
The mineral aggregate buffering chamber 3, the inner side of guide chute 5 are equipped with abrasion-resistant ceramic lining plate or heat resistant and wear resistant polyurethane serves as a contrast
Plate, the outside of guide chute 5 set insulating layer.
The cross section of the guide chute 5 is trapezoidal, and its cross-sectional area is gradually reduced from top to bottom；Guide chute 5 with
It is tightly connected between upright cooling furnace 6.
The main body of the mineral aggregate buffering chamber 3 is circular warehouse, and bottom bevel is polygon.
The outside of the mineral aggregate transporter 1 sets transporter seal closure 2.
The cooling chamber of the upright cooling furnace 6 is circumferentially arranged a cooling chamber wall that refractory brick is built into, cooling chamber edge within the walls
For height to equipped with multiple annular cooled gas paths, each cooled gas path connects the cooling gas delivery pipe of outside respectively
Road, cooled gas path are exported towards the side inside cooling chamber circumferentially arranged with multiple cooling gas.
A kind of sinter multicell of the present invention uprightly cool down furnace side go out formula feeding system the course of work it is as follows：
1) after the heat sinter that sintering machine comes out is handled after crushing and screening, mineral aggregate buffering chamber 3 is transported to by mineral aggregate transporter 1
In, whole enclosed conveying is realized by transporter seal closure 2, prevents flue dust from leaking；4 bottom of mineral aggregate buffering chamber passes through multiple guides
Chute 5 connects multiple upright cooling furnaces 6 correspondingly；
2) command signal is sent, passes through valve according to the material position of sinter in each upright cooling furnace 6 and cooling situation, Central Control Room
Door controller 7 controls electric rotating plate valve 4 to turn off or on, and alternately feeds into each upright cooling furnace 6；Within the same time only
Individually feed in a upright cooling furnace 6 thereto, stop dress after the material position in the upright cooling furnace reaches technological requirement
Material, closes corresponding electric rotating plate valve；
3) flue gas balance pipe, mineral aggregate caching are set between the recuperated gas outlet conduit and mineral aggregate buffering chamber of upright cooling furnace
Storehouse sets pressure gauge, and the pressure-regulating valve interlocked control on flue gas balance pipe, ensures in upright cooling furnace 6 and mineral aggregate buffering chamber
Operating pressure in 3 is tiny structure, prevents flue gas from escaping；
4) the circulation cold air introduced by cooled gas path less than 80 DEG C carries out sinter abundant, uniformly cooling；
Gas after heat exchange is sent to heat transmission equipment by recuperated gas outlet conduit and exchanges heat, and realizes the recycling of heat；Thermal sintering
After ore deposit reaches technological temperature requirement after cooling, start discharge device and discharge sinter after cooling；Then it is again straight to this
Feed in vertical cooling furnace；
5) alternately, when a upright cooling furnace 6 is overhauled, other upright cooling furnaces 6 are just for the maintenance of each upright cooling furnace 6
Often charging, discharging.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of sinter multicell, which uprightly cools down furnace side, goes out formula feeding system, it is characterised in that delays including mineral aggregate transporter, mineral aggregate
Storage, guide chute, upright cooling furnace and pressure equaliser；The upright cooling furnace is circumferentially evenly arranged to be multiple, ore deposit
Expect that buffering chamber is arranged on the top at upright cooling furnace arrangement center, the side of mineral aggregate buffering chamber is connected with mineral aggregate transporter, and mineral aggregate delays
The direction that the bottom of storage corresponds to each upright cooling furnace sets inclined-plane, and one end of guide chute connects mineral aggregate buffering chamber bottom bevel,
The feed inlet of each upright cooling furnace of other end connection；The folder of the integral inclined setting of guide chute, its incline direction and horizontal plane
Angle is 45 °~60 °；Electric rotating plate valve is set in guide chute, electric rotating plate valve is controlled by valve positioner, valve positioner
Outside guide chute, its control terminal is connected with Central Control Room；Pressure equaliser includes pressure gauge, flue gas balance pipe and pressure
Force regulating valve, pressure gauge are arranged at the top of mineral aggregate buffering chamber, and one end of flue gas balance pipe is another with being connected inside mineral aggregate buffering chamber
End is connected with the recuperated gas outlet conduit of upright cooling furnace, sets pressure-regulating valve on flue gas balance pipe, pressure-regulating valve and
Pressure gauge interlocked control.
2. a kind of sinter multicell according to claim 1 uprightly cools down furnace side and goes out formula feeding system, it is characterised in that institute
The mineral aggregate inlet that electric rotating plate valve is arranged on guide chute is stated, outwards top, which rotates, opens.
3. a kind of sinter multicell according to claim 1 uprightly cools down furnace side and goes out formula feeding system, it is characterised in that institute
State mineral aggregate buffering chamber, the inner side of guide chute is equipped with abrasion-resistant ceramic lining plate or heat resistant and wear resistant polyurethane lining board, outside guide chute
Side sets insulating layer.
4. a kind of sinter multicell according to claim 1 uprightly cools down furnace side and goes out formula feeding system, it is characterised in that institute
The cross section for stating guide chute is trapezoidal, and its cross-sectional area is gradually reduced from top to bottom；Guide chute and upright cooling furnace it
Between be tightly connected.
5. a kind of sinter multicell according to claim 1 uprightly cools down furnace side and goes out formula feeding system, it is characterised in that institute
The main body for stating mineral aggregate buffering chamber is circular warehouse, and bottom bevel is polygon.
6. a kind of sinter multicell according to claim 1 uprightly cools down furnace side and goes out formula feeding system, it is characterised in that institute
State and transporter seal closure is set on the outside of mineral aggregate transporter.
7. a kind of sinter multicell according to claim 1 uprightly cools down furnace side and goes out formula feeding system, it is characterised in that institute
The circumferentially arranged cooling chamber wall for having refractory brick to be built into of cooling chamber of upright cooling furnace is stated, cooling chamber is within the walls along height to equipped with multiple
The cooled gas path of annular, each cooled gas path connect the cooling gas conveyance conduit of outside respectively, and cooling gas is led to
Road is exported towards the side inside cooling chamber circumferentially arranged with multiple cooling gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711428635.1A CN107957200A (en) | 2017-12-22 | 2017-12-22 | A kind of sinter multicell uprightly cools down furnace side and goes out formula feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711428635.1A CN107957200A (en) | 2017-12-22 | 2017-12-22 | A kind of sinter multicell uprightly cools down furnace side and goes out formula feeding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107957200A true CN107957200A (en) | 2018-04-24 |
Family
ID=61955511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711428635.1A Pending CN107957200A (en) | 2017-12-22 | 2017-12-22 | A kind of sinter multicell uprightly cools down furnace side and goes out formula feeding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107957200A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101576351A (en) * | 2009-06-23 | 2009-11-11 | 河北理工大学 | Vertical sinter ore cooling machine capable of efficiently recycling sensible heat of sinter ores |
| CN103234349A (en) * | 2013-04-15 | 2013-08-07 | 中信重工机械股份有限公司 | Furnace type cooling and heat exchange device for sintered ores |
| CN104034174A (en) * | 2014-05-07 | 2014-09-10 | 中信重工机械股份有限公司 | Automatic control system for furnace cooling sinter waste heat power generation |
| CN104745207A (en) * | 2015-04-02 | 2015-07-01 | 山东理工大学 | Rotary kiln dry distillation powder semi coke dry quenching and afterheat utilizing device |
| CN205940170U (en) * | 2016-08-17 | 2017-02-08 | 于良富 | Vertical sintering deposit cooling furnace in two cooling chambeies |
| CN106907931A (en) * | 2016-12-29 | 2017-06-30 | 鞍钢集团工程技术有限公司 | Process and system that sintering deposit waste heat drags main exhauster are reclaimed with perpendicular cold kiln |
| CN207741579U (en) * | 2017-12-22 | 2018-08-17 | 中冶焦耐(大连)工程技术有限公司 | A kind of sinter multicell uprightly cools down furnace side and goes out formula feeding system |
-
2017
- 2017-12-22 CN CN201711428635.1A patent/CN107957200A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101576351A (en) * | 2009-06-23 | 2009-11-11 | 河北理工大学 | Vertical sinter ore cooling machine capable of efficiently recycling sensible heat of sinter ores |
| CN103234349A (en) * | 2013-04-15 | 2013-08-07 | 中信重工机械股份有限公司 | Furnace type cooling and heat exchange device for sintered ores |
| CN104034174A (en) * | 2014-05-07 | 2014-09-10 | 中信重工机械股份有限公司 | Automatic control system for furnace cooling sinter waste heat power generation |
| CN104745207A (en) * | 2015-04-02 | 2015-07-01 | 山东理工大学 | Rotary kiln dry distillation powder semi coke dry quenching and afterheat utilizing device |
| CN205940170U (en) * | 2016-08-17 | 2017-02-08 | 于良富 | Vertical sintering deposit cooling furnace in two cooling chambeies |
| CN106907931A (en) * | 2016-12-29 | 2017-06-30 | 鞍钢集团工程技术有限公司 | Process and system that sintering deposit waste heat drags main exhauster are reclaimed with perpendicular cold kiln |
| CN207741579U (en) * | 2017-12-22 | 2018-08-17 | 中冶焦耐(大连)工程技术有限公司 | A kind of sinter multicell uprightly cools down furnace side and goes out formula feeding system |
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| PB01 | Publication | ||
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Application publication date: 20180424 |