CN103397179B - High-temperature mineral powder cooling device - Google Patents
High-temperature mineral powder cooling device Download PDFInfo
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- CN103397179B CN103397179B CN201310330215.5A CN201310330215A CN103397179B CN 103397179 B CN103397179 B CN 103397179B CN 201310330215 A CN201310330215 A CN 201310330215A CN 103397179 B CN103397179 B CN 103397179B
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- cooling
- central tube
- volute body
- high temperature
- cylinder
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A high-temperature mineral powder cooling device belongs to the technical field of ferrous metallurgy. The invention comprises a volute body and a cooling central cylinder, wherein the volute body is arranged at the upper end of the cooling central cylinder; the volute body comprises a volute opening and a central shell, the central shell of the volute body is of a cylindrical structure with an opening at the lower end, and a feeding pipe is arranged at the center of the top end of the volute body; the volute mouth of the volute body is an air outlet; the cooling center cylinder is of a cylindrical structure with a through hole in the center, a cooling spiral water pipe is arranged in the center through hole of the cooling center cylinder, and the discharge end of the feeding pipe is positioned above the cooling spiral water pipe; the upper end of the cooling spiral water pipe is communicated with the cooling water outlet through the cylinder wall of the cooling central cylinder, and the lower end of the cooling spiral water pipe is communicated with the cooling water inlet through the cylinder wall of the cooling central cylinder; an air inlet is arranged on the wall of the lower end of the cooling central cylinder; the opening at the lower end of the cooling central cylinder is communicated with a large opening of a conical cylinder arranged below the cooling central cylinder, and a small opening of the conical cylinder is a discharge hole.
Description
Technical field
The invention belongs to technical field of ferrous metallurgy, particularly relate to a kind of high temperature breeze refrigerating unit.
Background technology
Present stage, for the refractory iron ore of China, at the high temperature calcining that carries out forming after Magnetization reductive roasting, all directly enter in recirculated cooling water, carry out cooling, this mode causes part of waste heat to recycle, and also can waste a part of recirculated cooling water in process of cooling.
Generally, 1 ton of refractory iron ore of every processing, the heat that is equivalent to 15～25 kilograms of standard coals with regard to having cannot be recycled, and in this process, also can vaporization losses fall the recirculated cooling water of about 30～70 kilograms.
Summary of the invention
For the problem of prior art existence, the invention provides the high temperature breeze refrigerating unit of a kind of waste heat recoverable, saving water coolant.
To achieve these goals, the present invention adopts following technical scheme: a kind of high temperature breeze refrigerating unit, comprise volute body and cooling central tube, and described volute body is arranged on cooling central tube upper end, and both seal affixed; Described volute body comprises snail mouth and center housing, and the center housing of volute body is the cylinder barrel shaped structure that lower end has opening, in the center, top of volute body, feed-pipe is installed; The snail mouth of described volute body is air outlet;
The cylinder barrel shaped structure centered by described cooling central tube with through hole is provided with cooling spiral water pipe in the central through hole of cooling central tube, and the discharge end of described feed-pipe is positioned at the top of cooling spiral water pipe; The upper end of described cooling spiral water pipe is connected with cooling water outlet by the barrel of cooling central tube, and the lower end of cooling spiral water pipe is connected with cooling water intake by the barrel of cooling central tube; On the barrel of described cooling central tube lower end, be provided with blast inlet;
Described cooling central tube lower ending opening place is connected with the large mouth that conically shaped is thereunder set, and the osculum of conically shaped arranges down; The osculum of described conically shaped is discharge port.
The tapering of described conically shaped is 60 °～70 °.
In described volute body, cooling central tube and conically shaped, be provided with liner, liner adopts high temperature fireproof material.
Described volute body and cooling central tube seal affixed by flanged plate, flanged plate adopts steel material.
Be provided with thermoscope near on the cooling central tube upper end barrel of described volute body, thermoscope adopts hot resistance or thermopair.
Be provided with cloth mouth at the discharge end of described feed-pipe, cloth mouth is set to inverted cone-shaped structure.
Beneficial effect of the present invention:
The present invention is in the time of cooling down high-temperature breeze, and high temperature breeze does not directly contact with water coolant, and this has just been avoided a large amount of vaporization losseses of water coolant, compared with traditional type of cooling, can save water coolant approximately 10%～30%; Wet body discharging from air outlet of the present invention, can be for playing combustion-supporting effect in stoving oven, can many recovery waste heats 20%～55%; The present invention is applied widely, because cooling down high-temperature breeze of the present invention does not directly contact with water coolant, makes high temperature breeze can not mix other impurity after cooling, and the optional kind of high temperature breeze is wider.
Brief description of the drawings
Fig. 1 is a kind of high temperature breeze refrigerating unit structural representation of the present invention;
Fig. 2 is A-A sectional view in Fig. 1;
In figure, 1-volute body, 2-cooling central tube, 3-conically shaped, 4-liner, 5-feed-pipe, 6-cloth mouth, 7-cooling spiral water pipe, 8-cooling water intake, 9-cooling water outlet, 10-snail mouth, 11-flanged plate, 12-thermoscope, 13-blast inlet, 14-discharge port, 15-air outlet.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, 2, a kind of high temperature breeze refrigerating unit, comprises volute body 1 and cooling central tube 2, and described volute body 1 is arranged on cooling central tube 2 upper ends, and both seal affixed; Described volute body 1 comprises snail mouth 10 and center housing, and the center housing of volute body 1 is the cylinder barrel shaped structure that lower end has opening, in the center, top of volute body 1, feed-pipe 5 is installed; The snail mouth 10 of described volute body 1 is air outlet 15;
The cylinder barrel shaped structure centered by described cooling central tube 2 with through hole is provided with cooling spiral water pipe 7 in the central through hole of cooling central tube 2, and the discharge end of described feed-pipe 5 is positioned at the top of cooling spiral water pipe 7; The upper end of described cooling spiral water pipe 7 is connected with cooling water outlet 9 by the barrel of cooling central tube 2, and the lower end of cooling spiral water pipe 7 is connected with cooling water intake 8 by the barrel of cooling central tube 2; On the barrel of described cooling central tube 2 lower ends, be provided with blast inlet 13;
Described cooling central tube 2 lower ending opening places are connected with the large mouth that conically shaped 3 is thereunder set, and the osculum of conically shaped 3 arranges down; The osculum of described conically shaped 3 is discharge port 14.
The tapering of described conically shaped 3 is 60 °.
In described volute body 1, cooling central tube 2 and conically shaped 3, be provided with liner 4, liner 4 adopts high temperature fireproof material.
Described volute body 1 and cooling central tube 2 seal affixed by flanged plate 11, flanged plate 11 adopts steel material.
Be provided with thermoscope 12 near on the cooling central tube 2 upper end barrels of described volute body 1, thermoscope 12 adopts hot resistance.
Be provided with cloth mouth 6 at the discharge end of described feed-pipe 5, cloth mouth 6 is set to inverted cone-shaped structure.
Below in conjunction with a brief description of the drawings use procedure of the present invention:
In the present embodiment, the high temperature breeze of the cooling process of is the powdered iron ore after Magnetization reductive roasting just.
Before cooling to high temperature breeze, first open cooling water intake 8 and cooling water outlet 9, water temperature is entered in cooling spiral water pipe 7 about the water coolant of 30 DEG C～32 DEG C, open blast inlet 13 simultaneously, freezing air is entered in cooling central tube 2, and connect negative pressure at air outlet 15 places of volute body 1, so just can ensure the upwards operation that freezing air is stable; After above-mentioned preparation work completes, open feed-pipe 5, high temperature breeze can be distributed in cooling central tube 2 uniformly by cloth mouth 6, and under the effect of freezing air, high temperature breeze can be with certain speed to whereabouts, in the dropping process of high temperature breeze, can be constantly and cooling spiral water pipe 7 and freezing air carry out heat exchange, until high temperature breeze falls in conically shaped 3, heat transfer process finishes, high temperature breeze can be discharged from discharge port 14, now the cooling work of high temperature breeze is finished.
In the process of cooling down high-temperature breeze, can be by the gas temperature after the heat exchange that is about to discharge in the cooling central tube 2 of thermoscope 12 Real Time Observation, according to the height of this temperature, adjust the air output of blast inlet 13 and the flooding quantity of cooling water intake 8 in good time, realize the adjustment to high temperature breeze cooling temperature; In the present embodiment, the water temperature of cooling water outlet 9 can reach 48 DEG C～50 DEG C, the gas temperature of air outlet 15 can reach 200 DEG C～240 DEG C, and can be for stoving oven from air outlet 15 expellant gas, for the roasting of stoving oven plays combustion-supporting effect, to such an extent as to can many recovery waste heats 20%～55%.
The powdered iron ore of device of the present invention in not only can high efficiency cooling the present embodiment, can also be used for high temperature alumina material powder after cement, the roasting after cooling calcining etc.
Claims (5)
1. a high temperature breeze refrigerating unit, is characterized in that: comprise volute body and cooling central tube, described volute body is arranged on cooling central tube upper end, and both seal affixed; Described volute body comprises snail mouth and center housing, and the center housing of volute body is the cylinder barrel shaped structure that lower end has opening, in the center, top of volute body, feed-pipe is installed; The snail mouth of described volute body is air outlet;
The cylinder barrel shaped structure centered by described cooling central tube with through hole is provided with cooling spiral water pipe in the central through hole of cooling central tube, and the discharge end of described feed-pipe is positioned at the top of cooling spiral water pipe; The upper end of described cooling spiral water pipe is connected with cooling water outlet by the barrel of cooling central tube, and the lower end of cooling spiral water pipe is connected with cooling water intake by the barrel of cooling central tube; On the barrel of described cooling central tube lower end, be provided with blast inlet;
Described cooling central tube lower ending opening place is connected with the large mouth that conically shaped is thereunder set, and the osculum of conically shaped arranges down; The osculum of described conically shaped is discharge port; Be provided with cloth mouth at the discharge end of described feed-pipe, cloth mouth is set to inverted cone-shaped structure.
2. a kind of high temperature breeze refrigerating unit according to claim 1, is characterized in that: the tapering of described conically shaped is 60 °～70 °.
3. a kind of high temperature breeze refrigerating unit according to claim 1, is characterized in that: in described volute body, cooling central tube and conically shaped, be provided with liner, liner adopts high temperature fireproof material.
4. a kind of high temperature breeze refrigerating unit according to claim 1, is characterized in that: described volute body and cooling central tube seal affixed by flanged plate, and flanged plate adopts steel material.
5. a kind of high temperature breeze refrigerating unit according to claim 1, is characterized in that: be provided with thermoscope near on the cooling central tube upper end barrel of described volute body, thermoscope adopts hot resistance or thermopair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310330215.5A CN103397179B (en) | 2013-07-31 | 2013-07-31 | High-temperature mineral powder cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310330215.5A CN103397179B (en) | 2013-07-31 | 2013-07-31 | High-temperature mineral powder cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103397179A CN103397179A (en) | 2013-11-20 |
| CN103397179B true CN103397179B (en) | 2014-12-17 |
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ID=49560877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310330215.5A Expired - Fee Related CN103397179B (en) | 2013-07-31 | 2013-07-31 | High-temperature mineral powder cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103397179B (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE450774B (en) * | 1984-08-24 | 1987-07-27 | Skf Steel Eng Ab | SET FOR REFRIGERATING MATERIAL MATERIAL AND DEVICE FOR IMPLEMENTATION OF THE SET |
| CN202208752U (en) * | 2011-07-13 | 2012-05-02 | 中冶南方工程技术有限公司 | Cooling device for high-temperature materials |
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2013
- 2013-07-31 CN CN201310330215.5A patent/CN103397179B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN103397179A (en) | 2013-11-20 |
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