CN104711419A - Cooling cylinder of reduced iron rotary-cylinder cooling machine - Google Patents
Cooling cylinder of reduced iron rotary-cylinder cooling machine Download PDFInfo
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- CN104711419A CN104711419A CN201510153819.6A CN201510153819A CN104711419A CN 104711419 A CN104711419 A CN 104711419A CN 201510153819 A CN201510153819 A CN 201510153819A CN 104711419 A CN104711419 A CN 104711419A
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Abstract
The invention relates to a cooling cylinder of a reduced iron rotary-cylinder cooling machine, which is mainly used for cooling reduced iron pellets and sintering pellets in metallurgical industry. The cooling cylinder comprises a cylinder (1) and a plurality of cooling pipelines fixed on the inner wall of the cylinder (1), wherein the cooling pipelines are connected with a water supply unit and a water return unit; and the cooling pipelines form a concave-convex structure capable of driving the material to rotate along with the cylinder (1) on the inner wall of the cylinder (1). The cooling pipelines form the concave-convex structure, and thus, effectively increase the heat exchange area; the cooling pipelines are fixed on the inner wall of the cylinder (1), and thus, can cool the inner wall of the cylinder (1), so that the cylinder (1) has the advantages of low temperature and small deformation; more importantly, the material is driven by the concave-convex structure to rotate to a certain height and then is thrown downwards, thereby preventing the material from sliding on the cylinder bottom in the cylinder rotation process and enhancing the blending and heat transfer of the material; and thus, the material can be distributed in the cylinder (1) more dispersively, thereby enhancing the heat exchange effect.
Description
Technical field
The present invention relates to a kind of reduced iron rotation drum type cooling machine, particularly a kind of cooling cylindrical shell of reduced iron rotation drum type cooling machine, be mainly used in cooling reduced iron pelletizing, agglomerates of sintered pellets in metallurgical mine industry.
Background technology
Cooling is one of operation of calcining reduction iron process.Direct-reduced iron pelletizing, through the temperatures as high 1100 DEG C of rotary hearth furnace or rotary kiln outlet, needs airtightly to be cooled to less than 300 DEG C, avoids the iron in reduced iron pelletizing at high temperature to meet atmospheric oxidation.At present, most of Iron And Steel Company adopts rotation drum type cooling machine to cool high temperature pelletizing: high temperature pelletizing enters the cooling cylinder with inclination angle through chute, and cooling cylinder rotates, and material moves to discharge end by feed end; The direct spray cylinder external body of water coolant is adopted to reach cooling performance.This type of cooling comes with some shortcomings: (1) heat transfer type is based on the thermal conduction between material and cylindrical shell and the thermal convection between water coolant and cylindrical shell, and complex heat transfer coefficient is lower; (2) cylindrical shell is when turning round, and the easy cylinder body bottom of material slides, and the transmission of heat by contact area ratio between material and cylindrical shell is less; (3) caloric requirement of material passes to water coolant through cylindrical shell, and because the wall thickness of cylindrical shell is comparatively large, thus barrel temperature is higher, distortion is serious.Because cooling efficiency is low, the diameter of cylindrical shell and length are very large, and water spray is also very large.CN101787435A discloses " efficient spray rotation drum type cooling machine for reduced iron ", and its cylindrical shell forms by cooling cylindrical shell, front end cylindrical shell and tail end cylindrical shell; Front end cylindrical shell and tail end cylindrical shell are double-layer barrel, in this double-layer barrel, adopt spray cooling; The drum surface of whole cooling unit is covered by spray cooling.Because whole cylindrical shell is atomized water droplet parcel, effectively protect cylindrical shell, reduce distortion, also improve operating rate and the reliability of equipment.But this technology is not improved the material movement of inner barrel and heat transfer situation.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provides the cooling cylindrical shell that a kind of simple and compact for structure, exchange capability of heat is strong, consume the few reduced iron rotation drum type cooling machine of water.
The technical solution adopted for the present invention to solve the technical problems is: the cooling cylindrical shell of this reduced iron rotation drum type cooling machine, comprise cylindrical shell and many cooling ducts being fixed on cylinder inboard wall, cooling duct is connected with water supplying unit and backwater unit, and cooling duct is formed at the inwall of cylindrical shell and promotes the concaveconvex structure of material with barrel body rotation.Because cooling duct forms concaveconvex structure, effectively increase heat interchanging area, and cooling duct is fixed on cylinder inboard wall, can cool cylinder inboard wall, the temperature of cylindrical shell is low, be out of shape little, even more important concaveconvex structure promotes material and sheds downwards with after barrel body rotation to certain altitude again, material in barrel body rotation process is avoided to slide at cylinder body bottom, enhance blending and the heat transfer of material, what material was disperseed more is distributed in cylindrical shell, improve heat transfer effect, advance to promote material although existing cylindrical shell arranges helical fin in inner side, but helical fin is promote material to move axially, material remains slip at inwall that cylindrical shell is smooth, material remains the bottom concentrating on cylindrical shell, cannot rotate with cylindrical shell, described concaveconvex structure well solves this problem.
Preferably, described cooling duct comprises cooling half pipe, and cooling half pipe and cylinder inboard wall consolidation form many water channels.Cooling half pipe defines described concaveconvex structure, and cooling half pipe can make water coolant directly by the contact internal walls of cylindrical shell, more effectively reduces the temperature of cylindrical shell.
Preferably, described cooling duct also comprises a point water semicanal, changed course semicanal and charge for remittance semicanal, the inwall that point water semicanal is positioned at cylindrical shell discharge end forms water channel with cylinder inboard wall consolidation, the inwall that charge for remittance semicanal is positioned at cylindrical shell discharge end forms water channel with cylinder inboard wall consolidation, the inwall that changed course semicanal is positioned at cylindrical shell feed end forms water annulus with cylinder inboard wall consolidation, one end of cooling half pipe is all communicated with changed course semicanal, the other end of part cooling half pipe is communicated with a point water semicanal, the other end of all the other cooling half pipes is communicated with charge for remittance semicanal, water supplying unit is communicated with a point water semicanal, backwater unit is communicated with charge for remittance semicanal.Cooling half pipe is divided at least one group of suction culvert and at least one group of water return pipeline, water coolant is sent into suction culvert by a point water semicanal by water supplying unit, water coolant in suction culvert enters water return pipeline through changed course semicanal, water coolant in water return pipeline enters backwater unit through charge for remittance semicanal and discharges, one is extend the time of water coolant in cylindrical shell, thus water coolant can be heated to higher temperature, and reduce volume and the floor space of integral device, two is discharge ends that point water semicanal and charge for remittance semicanal are positioned at cylindrical shell, thus be convenient to discharge end water supplying unit and backwater unit being arranged on cylindrical shell, be convenient to feeding chute be like this connected with cylindrical shell, and it is easy for installation.
Preferably, described point of water semicanal and charge for remittance semicanal all have multiple, and point water semicanal and charge for remittance semicanal are arranged alternately successively, and what cooling half pipe was corresponding is divided into many groups.Many groups cooling half pipe is divided into many group suction culverts and organizes water return pipeline more, and suction culvert is communicated with a point water semicanal, and water return pipeline is communicated with charge for remittance semicanal, and suction culvert and water return pipeline are arranged alternately thus ensure the homogeneous temperature of cylindrical shell, reduces distortion.
Preferably, the cross section of described cooling half pipe, point water semicanal, charge for remittance semicanal and changed course semicanal is semicircle or U-shaped.
Preferably, the tube wall clear spacing between two adjacent described cooling half pipes is 20 ~ 60mm.
Preferably, the axis of described cooling half pipe and the axis being parallel of cylindrical shell.
Preferably, described water supplying unit comprises outer tube and radial water inlet pipe, backwater unit comprises interior pipe and radial return water pipe, outer tube and interior pipe are positioned on the axis of cylindrical shell discharge end, and interior pipe is positioned at the inside of outer tube, outer tube is communicated with each point of water semicanal by radial water inlet pipe, and interior pipe is communicated with each charge for remittance semicanal by radial return water pipe.Outer tube and interior pipe are positioned on the axis of cylindrical shell discharge end, and interior pipe is positioned at the inside of outer tube, are convenient to connect swivel joint, thus ensure the cylindrical shell reliability that pipeline connects in rotary course.
Compared with prior art, the beneficial effect that technique scheme of the present invention has is:
1, because cooling duct forms concaveconvex structure, effectively increase heat interchanging area, and cooling duct is fixed on cylinder inboard wall, can cool cylinder inboard wall, the temperature of cylindrical shell is low, be out of shape little, even more important, concaveconvex structure promotes material and sheds downwards with after barrel body rotation to certain altitude again, material in barrel body rotation process is avoided to slide at cylinder body bottom, enhance blending and the heat transfer of material, what material was disperseed more is distributed in cylindrical shell, improve heat transfer effect, advance to promote material although existing cylindrical shell arranges helical fin in inner side, but helical fin is promote material to move axially, material remains slip at inwall that cylindrical shell is smooth, material remains the bottom concentrating on cylindrical shell, cannot rotate with cylindrical shell, described concaveconvex structure well solves this problem.Cylindrical shell outside does not need to carry out water-spraying control again, decreases water coolant and to scatter and disappear consumption.
2, cooling half pipe defines described concaveconvex structure, and structure is simple, and cooling half pipe can make water coolant directly by the contact internal walls of cylindrical shell, more effectively reduces the temperature of cylindrical shell.
3, cooling half pipe is divided at least one group of suction culvert and at least one group of water return pipeline, water coolant is sent into suction culvert by a point water semicanal by water supplying unit, water coolant in suction culvert enters water return pipeline through changed course semicanal, water coolant in water return pipeline enters backwater unit through charge for remittance semicanal and discharges, one is extend the time of water coolant in cylindrical shell, thus water coolant can be heated to higher temperature, and reduce volume and the floor space of integral device, two is discharge ends that point water semicanal and charge for remittance semicanal are positioned at cylindrical shell, thus be convenient to discharge end water supplying unit and backwater unit being arranged on cylindrical shell, be convenient to feeding chute be like this connected with cylindrical shell, and it is easy for installation.
4, many group cooling half pipes are divided into many group suction culverts and organize water return pipeline more, and suction culvert is communicated with a point water semicanal, and water return pipeline is communicated with charge for remittance semicanal, and suction culvert and water return pipeline are arranged alternately thus ensure the homogeneous temperature of cylindrical shell, reduces distortion.
5, outer tube and interior pipe are positioned on the axis of cylindrical shell discharge end, and interior pipe is positioned at the inside of outer tube, are convenient to connect swivel joint, thus ensure the cylindrical shell reliability that pipeline connects in rotary course.
Accompanying drawing explanation
Fig. 1 is the section of structure of the cooling cylindrical shell embodiment of this reduced iron rotation drum type cooling machine.
Fig. 2 is Fig. 1 A-A place sectional view.
Fig. 3 is Fig. 1 B-B place sectional view.
Fig. 4 is Fig. 1 C-C place sectional view.
Wherein: 1, cylindrical shell 2, changed course semicanal 3, cooling half pipe 4, radial return water pipe 5, charge for remittance semicanal 6, radial water inlet pipe 7, point water semicanal 8, outer tube 9, interior pipe 10, outer tube shrouding 11, interior pipe shrouding 12, closure plate.
Embodiment
Referring to figs. 1 through Fig. 4, the cooling cylindrical shell of this reduced iron rotation drum type cooling machine, comprise cylindrical shell 1 and many cooling ducts being fixed on cylindrical shell 1 inwall, cooling duct is connected with water supplying unit and backwater unit, and cooling duct forms the concaveconvex structure promoting material and rotate with cylindrical shell 1 at the inwall of cylindrical shell 1.Cooling duct is fixed on cylindrical shell 1 inwall, can cool cylindrical shell 1 inwall, the temperature of cylindrical shell 1 is low, it is little to be out of shape, and forms concaveconvex structure due to cooling duct, effectively increases heat interchanging area, even more important, concaveconvex structure promotes to shed downwards after material turns to certain altitude with cylindrical shell 1 again, avoids material in barrel body rotation process to slide at cylinder body bottom, enhances blending and the heat transfer of material, what material was disperseed more is distributed in cylindrical shell 1, improves heat transfer effect.
Concrete, in the present embodiment, cooling duct is many cooling half pipes 3 being fixed on cylindrical shell 1 inwall, and cooling half pipe 3 and cylindrical shell 1 inwall consolidation form many water channels.Described concaveconvex structure is defined between cooling half pipe 3 and between cooling half pipe 3 and cylindrical shell 1 inwall, promote material while cooling half pipe 3 cools material to rotate with cylindrical shell 1, structure is simple, and cooling half pipe 3 can make water coolant directly by the contact internal walls of cylindrical shell 1, more effectively reduces the temperature of cylindrical shell 1.
With reference to Fig. 1,2, the internal diameter of the present embodiment middle cylinder body 1 is 3000mm.Evenly arrange 48 cooling half pipes 3 at the inwall of cylindrical shell 1, the cross section of cooling half pipe 3 is semicircle, and its external diameter is 108mm.The axis of cooling half pipe 3 and the axis being parallel of cylindrical shell 1, and cooling half pipe 3 and cylindrical shell 1 inwall consolidation form many water channels.
Further, cooling duct also comprises a point water semicanal 7, changed course semicanal 2 and charge for remittance semicanal 5, the inwall that point water semicanal 7 is positioned at cylindrical shell 1 discharge end forms water channel with cylindrical shell 1 inwall consolidation, the inwall that charge for remittance semicanal 5 is positioned at cylindrical shell 1 discharge end forms water channel with cylindrical shell 1 inwall consolidation, and the two ends closure plate 12 of point water semicanal 7 and charge for remittance semicanal 5 is blocked.The inwall that changed course semicanal 2 is positioned at cylindrical shell 1 feed end forms water annulus with cylindrical shell 1 inwall consolidation, one end of cooling half pipe 3 is all communicated with changed course semicanal 2, the other end of part cooling half pipe 3 is communicated with a point water semicanal 7, the other end of all the other cooling half pipes 3 is communicated with charge for remittance semicanal 5, water supplying unit is communicated with a point water semicanal 7, and backwater unit is communicated with charge for remittance semicanal 5.Cooling half pipe 3 is divided at least one group of suction culvert and at least one group of water return pipeline, water coolant is sent into suction culvert by a point water semicanal by water supplying unit, water coolant in suction culvert enters water return pipeline through changed course semicanal 2, water coolant in water return pipeline enters backwater unit through charge for remittance semicanal 5 and discharges, one is extend the time of water coolant in cylindrical shell 1, thus water coolant can be heated to higher temperature, and reduce volume and the floor space of integral device, two is discharge ends that point water semicanal 7 and charge for remittance semicanal 5 are positioned at cylindrical shell 1, thus be convenient to discharge end water supplying unit and backwater unit being arranged on cylindrical shell 1, be convenient to feeding chute be like this connected with cylindrical shell 1, and it is easy for installation.
Preferably, with reference to Fig. 3 and Fig. 4, point water semicanal 7 and charge for remittance semicanal 5 all have multiple, and point water semicanal 7 and charge for remittance semicanal 5 are arranged alternately successively, cooling half pipe 3 correspondence be divided into many groups.Many groups cooling half pipe 3 is divided into many group suction culverts and organizes water return pipeline more, and suction culvert is communicated with a point water semicanal 7, and water return pipeline is communicated with charge for remittance semicanal 5, and suction culvert and water return pipeline are arranged alternately thus ensure the homogeneous temperature of cylindrical shell, reduces distortion.Point water semicanal 7 and charge for remittance semicanal 5 can certainly be separately positioned on the both sides of cylindrical shell 1 inwall.
Concrete, to have six cross sections to be semicircular point of water semicanal 7, cross section in the present embodiment be semicircular changed course semicanal 2 and six cross sections is semicircular charge for remittance semicanal 5, six points of water semicanals 7 are evenly positioned on the inwall of cylindrical shell 1 discharge end, and form six water channels with cylindrical shell 1 inwall consolidation.Six charge for remittance semicanals 5 are evenly positioned on the inwall of cylindrical shell 1 discharge end, and form six water channels with cylinder inboard wall consolidation.The two ends closure plate 12 of water semicanal 7 and charge for remittance semicanal 5 is divided to block.The inwall that changed course semicanal 2 is positioned at cylindrical shell 1 feed end forms water annulus with cylinder inboard wall consolidation.48 cooling half pipes 3 are divided into 12 groups, adjacent 6 cooling half pipes 3 are one group, one end of one group of cooling half pipe 3 is with point of water semicanal 7 consolidation and communicate, this one end of two groups of cooling half pipes 3 of these group both sides communicates with two charge for remittance semicanal 5 consolidations respectively, and the other end of all cooling half pipes 3 all communicates with changed course semicanal 2 consolidation.
Water supplying unit comprises outer tube 8 and radial water inlet pipe 6, backwater unit comprises interior pipe 9 and radial return water pipe 4, outer tube 8 and interior pipe 9 are positioned on the axis of cylindrical shell 1 discharge end, and interior pipe 9 is positioned at the inside of outer tube 8, outer tube 8 is communicated with each point of water semicanal 7 by radial water inlet pipe 6, and interior pipe 9 is communicated with each charge for remittance semicanal 5 by radial return water pipe 4.Outer tube 8 and interior pipe 9 are positioned on the axis of cylindrical shell 1 discharge end, and interior pipe 9 is positioned at the inside of outer tube 8, are convenient to connect swivel joint (not shown in FIG.), thus ensure cylindrical shell 1 reliability that pipeline connects in rotary course.Have six radial water inlet pipes 6 and six radial return water pipes, 4, six points of water semicanals 7 to communicate with outer tube 8 respectively by six radial water inlet pipes 6 in concrete the present embodiment, six charge for remittance semicanals 5 communicate with interior pipe 9 respectively by six radial return water pipes 4.With reference to Fig. 1, the left end of outer tube 8 and interior pipe 9 is blocked with outer tube shrouding 10 and interior pipe shrouding 11 respectively, and right-hand member is all connected with rotating water joint.
Working process: during erecting equipment, the axis of cylindrical shell 1 and sea line have certain inclination angle, downward-sloping to discharge end from feed end.Cylindrical shell 1 rotates under the driving of its drive unit, and high-temperature material enters cylindrical shell 1, and moves to discharge end by feed end.Material carries out heat exchange cooling with the water of cooling half pipe 3 in moving process.Water enters cooling half pipe 3 through radial water inlet pipe 6, a point water semicanal 7 successively in the circular channel between outer tube 8 and interior pipe 9, the heat absorbing material in cooling half pipe 3 heats up, then another cooling half pipe 3 is entered through changed course semicanal 2, the heat absorbing material in this cooling half pipe 3 again continues to heat up, finally get back to interior pipe 9 through charge for remittance semicanal 5, radial return water pipe 4 successively, discharge from interior pipe 9.
Be more than most preferred embodiment of the present invention, the cooling duct in the present invention can also be the pipe being fixed on cylindrical shell 1 inwall, cooling duct can with the axis being parallel of cylindrical shell 1, also can be distributed on the inwall of cylindrical shell 1 by curl.The cross section of the cooling half pipe 3 in addition in the present invention, point water semicanal 7, charge for remittance semicanal 5 and changed course semicanal 2 can be all semicircle or U-shaped.Tube wall clear spacing between two adjacent described cooling half pipes 3 is 20 ~ 60mm.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (8)
1. the cooling cylindrical shell of a reduced iron rotation drum type cooling machine, it is characterized in that: comprise cylindrical shell (1) and be fixed on many cooling ducts of cylindrical shell (1) inwall, cooling duct is connected with water supplying unit and backwater unit, and cooling duct forms the concaveconvex structure promoting material and rotate with cylindrical shell (1) at the inwall of cylindrical shell (1).
2. the cooling cylindrical shell of reduced iron rotation drum type cooling machine according to claim 1, is characterized in that: described cooling duct comprises cooling half pipe (3), and cooling half pipe (3) and cylindrical shell (1) inwall consolidation form many water channels.
3. the cooling cylindrical shell of reduced iron rotation drum type cooling machine according to claim 2, it is characterized in that: described cooling duct also comprises a point water semicanal (7), changed course semicanal (2) and charge for remittance semicanal (5), the inwall that point water semicanal (7) is positioned at cylindrical shell (1) discharge end forms water channel with cylindrical shell (1) inwall consolidation, the inwall that charge for remittance semicanal (5) is positioned at cylindrical shell (1) discharge end forms water channel with cylindrical shell (1) inwall consolidation, the inwall that changed course semicanal (2) is positioned at cylindrical shell (1) feed end forms water annulus with cylindrical shell (1) inwall consolidation, one end of cooling half pipe (3) is all communicated with changed course semicanal (2), the other end of part cooling half pipe (3) is communicated with a point water semicanal (7), the other end of all the other cooling half pipes (3) is communicated with charge for remittance semicanal (5), water supplying unit is communicated with a point water semicanal (7), backwater unit is communicated with charge for remittance semicanal (5).
4. the cooling cylindrical shell of reduced iron rotation drum type cooling machine according to claim 3, it is characterized in that: described point of water semicanal (7) and charge for remittance semicanal (5) all have multiple, and point water semicanal (7) and charge for remittance semicanal (5) are arranged alternately successively, what cooling half pipe (3) was corresponding is divided into many groups.
5. the cooling cylindrical shell of reduced iron rotation drum type cooling machine according to claim 3, is characterized in that: the cross section of described cooling half pipe (3), point water semicanal (7), charge for remittance semicanal (5) and changed course semicanal (2) is semicircle or U-shaped.
6. the cooling cylindrical shell of reduced iron rotation drum type cooling machine according to claim 2, is characterized in that: the tube wall clear spacing between two adjacent described cooling half pipes (3) is 20 ~ 60mm.
7. the cooling cylindrical shell of reduced iron rotation drum type cooling machine according to any one of claim 2 ~ 6, is characterized in that: the axis of described cooling half pipe (3) and the axis being parallel of cylindrical shell (1).
8. the cooling cylindrical shell of reduced iron rotation drum type cooling machine according to claim 1, it is characterized in that: described water supplying unit comprises outer tube (8) and radial water inlet pipe (6), backwater unit comprises interior pipe (9) and radial return water pipe (4), outer tube (8) and interior pipe (9) are positioned on the axis of cylindrical shell (1) discharge end, and interior pipe (9) is positioned at the inside of outer tube (8), outer tube (8) is communicated with each point of water semicanal (7) by radial water inlet pipe (6), and interior pipe (9) is communicated with each charge for remittance semicanal (5) by radial return water pipe (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510153819.6A CN104711419B (en) | 2015-04-02 | 2015-04-02 | The cooling cylinder of reduced iron rotation drum type cooling machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510153819.6A CN104711419B (en) | 2015-04-02 | 2015-04-02 | The cooling cylinder of reduced iron rotation drum type cooling machine |
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| CN104711419A true CN104711419A (en) | 2015-06-17 |
| CN104711419B CN104711419B (en) | 2017-03-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105087843A (en) * | 2015-08-24 | 2015-11-25 | 江苏省冶金设计院有限公司 | Device for cooling high-temperature direct reduced iron |
| CN113654268A (en) * | 2021-09-10 | 2021-11-16 | 清远市联升空气液化有限公司 | Precooling apparatus for gas treatment |
| CN113916009A (en) * | 2021-10-15 | 2022-01-11 | 辽宁宝来生物能源有限公司 | Cold coke machine for calcined needle coke |
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| CN201293581Y (en) * | 2008-08-12 | 2009-08-19 | 韩永胜 | Tube bundle type highly effective cold slag |
| CN201344545Y (en) * | 2009-02-23 | 2009-11-11 | 四川龙麟锅炉设备有限责任公司 | Membrane type dual-cylinder multi-bin cold slag machine |
| CN201962330U (en) * | 2010-12-14 | 2011-09-07 | 河南济源钢铁(集团)有限公司 | Lump ore baking system of sinter cooler |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201293581Y (en) * | 2008-08-12 | 2009-08-19 | 韩永胜 | Tube bundle type highly effective cold slag |
| CN201344545Y (en) * | 2009-02-23 | 2009-11-11 | 四川龙麟锅炉设备有限责任公司 | Membrane type dual-cylinder multi-bin cold slag machine |
| CN201962330U (en) * | 2010-12-14 | 2011-09-07 | 河南济源钢铁(集团)有限公司 | Lump ore baking system of sinter cooler |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105087843A (en) * | 2015-08-24 | 2015-11-25 | 江苏省冶金设计院有限公司 | Device for cooling high-temperature direct reduced iron |
| CN113654268A (en) * | 2021-09-10 | 2021-11-16 | 清远市联升空气液化有限公司 | Precooling apparatus for gas treatment |
| CN113916009A (en) * | 2021-10-15 | 2022-01-11 | 辽宁宝来生物能源有限公司 | Cold coke machine for calcined needle coke |
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| CN104711419B (en) | 2017-03-01 |
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