CN103759257A - Vertical type multi-cylinder slag cooler for solid-state blast furnace slag - Google Patents
Vertical type multi-cylinder slag cooler for solid-state blast furnace slag Download PDFInfo
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- CN103759257A CN103759257A CN201310748937.2A CN201310748937A CN103759257A CN 103759257 A CN103759257 A CN 103759257A CN 201310748937 A CN201310748937 A CN 201310748937A CN 103759257 A CN103759257 A CN 103759257A
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Abstract
The invention discloses a vertical type multi-cylinder slag cooler for solid-state blast furnace slag. The vertical type multi-cylinder slag cooler comprises a transition funnel, material distributors, an upper support, center cylinders, secondary center cylinders, secondary outer cylinders, an air return pipeline, a left air outlet, outer cylinders, an air return wall, a lower air inlet, a slag discharging hole, a lower support, a lower air inlet pipeline, air return holes, cooling air holes, a right air outlet, material baffles, an upper air inlet and an upper air inlet pipeline, wherein the transition funnel and the material distributors are located at the upper part of the slag cooler, the material baffles are uniformly distributed at the periphery of each cylinder from top to bottom, the air return holes are uniformly formed in the center cylinders and the outer cylinders, cooling air holes are uniformly formed in the secondary center cylinders and the secondary outer cylinders, the secondary center cylinders and the secondary outer cylinders are respectively connected with the upper air inlet pipeline and the lower air inlet pipeline, and the air return pipeline is located in the middle of the slag cooler. When the vertical type multi-cylinder slag cooler works, high-temperature slag passes through gaps among the material baffles from top to bottom and does heat exchange with cooling air, and after being subjected to the heat exchange, air is timely recycled, so that the cooling speed is increased, the cooling uniformity is improved, and the temperature of the discharged slag is effectively decreased.
Description
Technical field
The invention belongs to the cooling field of high-temperature solid slag, particularly the vertical many slag coolers of a kind of solid-state blast furnace slag.
Background technology
Along with reasons such as the fast development of CFB boiler maximization, coal-fired ature of coal variation, boiler slag removal amount constantly increases, and this exchange capability of heat and conveying capacity to the important subsidiary engine equipment slag cooler of boiler is had higher requirement.
What domestic cycle fluidized-bed boiler slag-cooling device mainly adopted at present is double-layer roller type slag cooler.But the major defect of rolling-cylinder type slag-cooler is that tapping temperature is generally more than 200 degree, what existing rolling-cylinder type slag-cooler adopted is that inner core blade promotion material travels forward, material is in the middle of two blades, ulking thickness is high, become cake shape half, material and cooling tube wall contact area are very little, cause chilling temperature high.Slag is generally leaked at rotary barrel and the static slag case place of being association of activity and inertia, and existing rolling-cylinder type slag-cooler is horizontal slag cooler, and floor space is large.
Summary of the invention
the technical problem solving
This patent technical problem to be solved is that conventional rollers slag cooler cooling effectiveness is low, and inhomogeneous cooling is even, and effect is undesirable, and tapping temperature is high, and floor space is large.This patent provides a kind of solid-state blast furnace slag vertical many slag coolers.
technical scheme
For addressing the above problem, the present invention proposes following technical solution:
The vertical many slag coolers of a kind of solid-state blast furnace slag, comprise transition funnel, distribution device, upper support, central cylinder, subcenter cylindrical shell, inferior outer cylinder body, return air duct, left air outlet, outer cylinder body, return air wall, lower air inlet, slag notch, lower support, lower blast pipe road, return air wind hole, cooling air hole, right air outlet, striker plate, enterprising air port, upper air inlet pipeline, described transition funnel and distribution device are positioned at this device top, distribution device is positioned at and supports, central cylinder and lower blast pipe road are positioned in lower support, subcenter cylindrical shell, inferior outer cylinder body respectively with upper air inlet pipeline, lower blast pipe road connects, return air duct is positioned at this device middle part, enterprising air port and lower air inlet are distributed in this device both sides, left air outlet, right air outlet is communicated with return air duct respectively, striker plate is distributed in around each cylindrical shell from top to bottom, and on central cylinder and outer cylinder body, be evenly equipped with return air wind hole, on subcenter cylindrical shell and time outer cylinder body, be evenly equipped with cooling air hole.
Described transition slag bucket be positioned at this device directly over, and the slag notch of transition slag bucket be annular, center be taper shape.
Described distribution device be positioned at transition slag bucket under, lower end connects upper support, and distribution device be annular, cross section is triangle.
Described return air wind hole from top to down is distributed in the surrounding of central cylinder and outer cylinder body, and cooling air hole from top to down is distributed in the surrounding of subcenter cylindrical shell and time outer cylinder body.
Described striker plate is annular, and cross section is trapezoidal; Striker plate from top to down is distributed in the outside of central cylinder and time outer cylinder body, is distributed in the inner side of subcenter cylindrical shell and outer cylinder body, and has suitable distance between adjacent upper and lower two-layer striker plate.
Described return air duct is through the positive middle part of this device, and the left side of return air duct connects left air outlet, and right side connects right air outlet.
Described enterprising air port is positioned at this device upper right side, lower air inlet is positioned at this device lower-left side, and central cylinder and lower blast pipe road are fixed in lower support, the upper end of subcenter cylindrical shell, inferior outer cylinder body is connected with upper air inlet pipeline, lower end is connected with lower blast pipe road, and upper air inlet pipeline and enterprising air port are communicated with, lower blast pipe road and lower air inlet are communicated with.
Described outer cylinder body arranged outside has return air wall, and leaves certain space between the two.
Described upper air inlet pipeline, the structure in lower blast pipe road is similar to annular wine opener, and the below of upper air inlet pipeline annular section has pore, and the top of lower blast pipe road annular section has pore.
beneficial effect
Beneficial effect of the present invention is as follows:
On prior art basis, the vertical many slag coolers of a kind of solid-state blast furnace slag have been proposed, during this new device work, space between high temperature sludge from top to down process striker plate, and carry out heat exchange from the cold wind of cooling air hole inflow, the wind after heat exchange is recovered through return air wind hole in time, realized high temperature sludge cooling uniformly, and adopt upper and lower two air inlets and left and right two gas outlets, improved cooling velocity, effectively reduce the temperature of slagging tap.The present invention is Vertical slag-cooling device, has greatly reduced floor space.
Accompanying drawing explanation
Accompanying drawing 1: the vertical many slag cooler structural representations of solid-state blast furnace slag.
Accompanying drawing 2: distribution device structural representation.
Accompanying drawing 3: upper and lower admission line structural representation.
Accompanying drawing 4 and accompanying drawing 5: striker plate structural representation.
Mark in figure: 1, transition funnel 2, distribution device 3, upper support 4, central cylinder 5, subcenter cylindrical shell 6, inferior outer cylinder body 7, return air duct 8, left air outlet 9, outer cylinder body 10, return air wall 11, lower air inlet 12, slag notch 13, lower support 14, lower blast pipe road 15, return air wind hole 16, cooling air hole 17, right air outlet 18, striker plate 19, enterprising air port 20, upper air inlet pipeline.
The specific embodiment
Below in conjunction with accompanying drawing, specifically narrate the specific embodiment of the present invention:
As shown in Figure 1: the vertical many slag coolers of a kind of solid-state blast furnace slag, comprise transition funnel 1, distribution device 2, upper support 3, central cylinder 4, subcenter cylindrical shell 5, inferior outer cylinder body 6, return air duct 7, left air outlet 8, outer cylinder body 9, return air wall 10, lower air inlet 11, slag notch 12, lower support 13, lower blast pipe road 14, return air wind hole 15, cooling air hole 16, right air outlet 17, striker plate 18, enterprising air port 19, upper air inlet pipeline 20, described transition funnel 1 and distribution device 2 are positioned at this device top, distribution device 2 is positioned in support 3, central cylinder 4 and lower blast pipe road 14 are positioned in lower support 13, subcenter cylindrical shell 5, inferior outer cylinder body 6 respectively with upper air inlet pipeline 20, lower blast pipe road 14 connects, return air duct 7 is positioned at this device middle part, enterprising air port 19 and lower air inlet 11 are distributed in this device both sides, left air outlet 8, right air outlet 17 is communicated with return air duct 7 respectively, striker plate 18 is distributed in around each cylindrical shell from top to bottom, and on central cylinder 4 and outer cylinder body 9, be evenly equipped with return air wind hole 15, on subcenter cylindrical shell 5 and time outer cylinder body 6, be evenly equipped with cooling air hole 16.
Described transition slag bucket 1 be positioned at this device directly over, and the slag notch of transition slag bucket 1 be annular, center be taper shape;
As shown in Figure 2: described distribution device 2 be positioned at transition slag bucket 1 under, lower end connects upper supports 3, and distribution device 2 be annular, cross section is triangle;
Described return air wind hole 15 from top to down are distributed in the surrounding of central cylinder 4 and outer cylinder body 9, and cooling air hole 16 from top to down are distributed in the surrounding of subcenter cylindrical shell 5 and time outer cylinder body 6.
As shown in accompanying drawing 4 and accompanying drawing 5: as described in striker plate 18 be annular, cross section is trapezoidal; Striker plate 18 from top to down are distributed in the outside of central cylinder 4 and time outer cylinder body 6, are distributed in the inner side of subcenter cylindrical shell 5 and outer cylinder body 9, and have suitable distance between adjacent upper and lower two-layer striker plate 18.
Described return air duct 7 is through the positive middle part of this device, and the left side of return air duct 7 connects left air outlet 8, and right side connects right air outlet 17.
Described enterprising air port 19 is positioned at this device upper right side, lower air inlet 11 is positioned at this device lower-left side, and central cylinder 4 and lower blast pipe road 14 are fixed in lower support 13, the upper end of subcenter cylindrical shell 5, inferior outer cylinder body 6 is connected with upper air inlet pipeline 20, lower end is connected with lower blast pipe road 14, and upper air inlet pipeline 20 and enterprising air port 19 are communicated with, lower blast pipe road 14 and lower air inlet 11 are communicated with.
Described outer cylinder body 9 arranged outside have return air wall 10, and leave certain space between the two.
As shown in Figure 3: described upper air inlet pipeline 20, the structure in lower blast pipe road 14 is similar to annular wine opener, and the below of upper air inlet pipeline 20 annular sections has pore, and the top of lower blast pipe road 14 annular sections has pore.
This device course of work is: during work, cold air enters the partition between subcenter cylindrical shell 5 and inferior outer cylinder body 6 through upper air inlet pipeline 20 and lower blast pipe road 14, and contact with the high temperature sludge falling through cooling air hole 16, realize heat exchange, then through return air wind hole 15, flow into central cylinder 4, through return air duct 7 or flow into the space between outer cylinder body 9, return air wall 10, from left air outlet 8 and right air outlet 17, discharge respectively.The technical program is discharged the gas after heat exchange timely, has improved cooling velocity and cooling even, effectively reduces the temperature of slagging tap.
Claims (9)
1. the vertical many slag coolers of solid-state blast furnace slag, comprise transition funnel (1), distribution device (2), upper support (3), central cylinder (4), subcenter cylindrical shell (5), inferior outer cylinder body (6), return air duct (7), left air outlet (8), outer cylinder body (9), return air wall (10), lower air inlet (11), slag notch (12), lower support (13), lower blast pipe road (14), return air wind hole (15), cooling air hole (16), right air outlet (17), striker plate (18), enterprising air port (19), upper air inlet pipeline (20), it is characterized in that described transition funnel (1) and distribution device (2) are positioned at this device top, distribution device (2) is positioned in support (3), central cylinder (4) and lower blast pipe road (14) are positioned in lower support (13), subcenter cylindrical shell (5), inferior outer cylinder body (6) respectively with upper air inlet pipeline (20), lower blast pipe road (14) connects, return air duct (7) is positioned at this device middle part, enterprising air port (19) and lower air inlet (11) are distributed in this device both sides, left air outlet (8), right air outlet (17) respectively and return air duct (7) be communicated with, striker plate (18) is distributed in around each cylindrical shell from top to bottom, and be evenly equipped with return air wind hole (15) on central cylinder (4) and outer cylinder body (9), on subcenter cylindrical shell (5) and time outer cylinder body (6), be evenly equipped with cooling air hole (16).
2. the vertical many slag coolers of the solid-state blast furnace slag of one according to claim 1, it is characterized in that transition slag bucket (1) be positioned at this device directly over, and the slag notch of transition slag bucket (1) be annular, center be taper shape.
3. the vertical many slag coolers of the solid-state blast furnace slag of one according to claim 1, it is characterized in that distribution device (2) be positioned at transition slag bucket (1) under, lower end connects upper supports (3), and distribution device (2) be annular, cross section is triangle.
4. the vertical many slag coolers of the solid-state blast furnace slag of one according to claim 1, it is characterized in that return air wind hole (15) from top to down is distributed in the surrounding of central cylinder (4) and outer cylinder body (9), cooling air hole (16) from top to down is distributed in the surrounding of subcenter cylindrical shell (5) and time outer cylinder body (6).
5. the vertical many slag coolers of the solid-state blast furnace slag of one according to claim 1, is characterized in that striker plate (18) is for annular, and cross section is trapezoidal; Striker plate (18) from top to down is distributed in the outside of central cylinder (4) and time outer cylinder body (6), is distributed in the inner side of subcenter cylindrical shell (5) and outer cylinder body (9), and has suitable distance between adjacent upper and lower two-layer striker plate (18).
6. the vertical many slag coolers of the solid-state blast furnace slag of one according to claim 1, is characterized in that return air duct (7) is through the positive middle part of this device, and the left side of return air duct (7) connects left air outlet (8), and right side connects right air outlet (17).
7. the vertical many slag coolers of the solid-state blast furnace slag of one according to claim 1, it is characterized in that enterprising air port (19) is positioned at this device upper right side, lower air inlet (11) is positioned at this device lower-left side, and central cylinder (4) and lower blast pipe road (14) are fixed in lower support (13), the upper end of subcenter cylindrical shell (5), inferior outer cylinder body (6) is connected with upper air inlet pipeline (20), lower end is connected with lower blast pipe road (14), and upper air inlet pipeline (20) and enterprising air port (19) are communicated with, lower blast pipe road (14) and lower air inlet (11) are communicated with.
8. the vertical many slag coolers of the solid-state blast furnace slag of one according to claim 1, is characterized in that outer cylinder body (9) arranged outside has return air wall (10), and leave certain space between the two.
9. the vertical many slag coolers of the solid-state blast furnace slag of one according to claim 1, it is characterized in that upper air inlet pipeline (20), the structure in lower blast pipe road (14) is similar to annular wine opener, and the below of upper air inlet pipeline (20) annular section has pore, the top of lower blast pipe road (14) annular section has pore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310748937.2A CN103759257A (en) | 2013-12-31 | 2013-12-31 | Vertical type multi-cylinder slag cooler for solid-state blast furnace slag |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310748937.2A CN103759257A (en) | 2013-12-31 | 2013-12-31 | Vertical type multi-cylinder slag cooler for solid-state blast furnace slag |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802088A (en) * | 2017-02-24 | 2017-06-06 | 中冶焦耐(大连)工程技术有限公司 | A kind of hot direct reduced iron stove external cooling device and method |
| CN107523316A (en) * | 2017-10-17 | 2017-12-29 | 榆林煤化工产业促进中心 | A kind of hydrogen source stably decomposes complex function low temperature upgrading furnace |
| CN111495274A (en) * | 2020-04-20 | 2020-08-07 | 徐州腾源化肥有限公司 | Compound fertilizer steam granulation cooling device |
-
2013
- 2013-12-31 CN CN201310748937.2A patent/CN103759257A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802088A (en) * | 2017-02-24 | 2017-06-06 | 中冶焦耐(大连)工程技术有限公司 | A kind of hot direct reduced iron stove external cooling device and method |
| CN106802088B (en) * | 2017-02-24 | 2022-12-13 | 中冶焦耐(大连)工程技术有限公司 | External cooling device and method for thermal state direct reduction iron furnace |
| CN107523316A (en) * | 2017-10-17 | 2017-12-29 | 榆林煤化工产业促进中心 | A kind of hydrogen source stably decomposes complex function low temperature upgrading furnace |
| CN111495274A (en) * | 2020-04-20 | 2020-08-07 | 徐州腾源化肥有限公司 | Compound fertilizer steam granulation cooling device |
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Application publication date: 20140430 |
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