CN205002613U - Electric stove evaporative cooling flue's cooling part - Google Patents
Electric stove evaporative cooling flue's cooling part Download PDFInfo
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- CN205002613U CN205002613U CN201520637216.9U CN201520637216U CN205002613U CN 205002613 U CN205002613 U CN 205002613U CN 201520637216 U CN201520637216 U CN 201520637216U CN 205002613 U CN205002613 U CN 205002613U
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- flue
- cooling
- electric furnace
- furnace gasification
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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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- 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
- Y02P10/25—Process efficiency
Abstract
The utility model discloses an electric stove evaporative cooling flue's cooling part, electric stove evaporative cooling flue is including end to end's canned paragraph flue, interlude flue and rear flue in proper order. Electric stove evaporative cooling flue's cooling part is including many settings at the outside flue cooling pipe of flue to and many settings are at the inside flue gas cooling pipe of flue, the flue cooling pipe is connected to the oxygen -eliminating device, and the oxygen -eliminating device is connected with low pressure circulating water pump, the flue gas cooling pipe is connected to the steam pocket, and the steam pocket is connected with high -pressure circulating water pump, adopt above -mentioned technical scheme's electric stove evaporative cooling flue's cooling part, it is through flue cooling part's structure setting for its cooling water rood to be in order optimizing, and the diameter setting in by freezing water route makes it can realize that large -traffic cooling water supplies water, and can effectively avoid the steam supersaturation of cooling water, thereby makes its cooling effect to ensure, and has ensured the life of flue.
Description
Technical field
The present invention relates to the auxiliary equipment in a kind of metallurgical process, especially a kind of cooling-part of electric furnace gasification cooling flue.
Background technology
Realize one of energy recovery and green necessaries produced during the gasification cooling flue of electric furnace, it is for being undertaken cooling and reclaiming by the flue gas produced in EAF Steelmaking Process.For carrying out effective cooling to flue gas, existing electric furnace gasification cooling flue often relies on circuit external and arranges cooling pipe, and passes into cooling water to realize the cooling of flue gas; But in actual mechanical process, its cooling effect is unsatisfactory, be embodied in flue gas and fail fully to cool, cooling water is easy to occur water-vapo(u)r saturation and cause the phenomenons such as pipe overheat.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of cooling-part of electric furnace gasification cooling flue, and it can make the cooling effect of flue, and the service life of flue is all improved.
For solving the problems of the technologies described above, the present invention relates to a kind of cooling-part of electric furnace gasification cooling flue, described electric furnace gasification cooling flue includes end to end fixed section flue, interlude flue and rear flue successively.The cooling-part of described electric furnace gasification cooling flue includes many and is arranged on flue outside, and becomes the flue cooling pipe of Spiral distribution along flue outer wall, and many are arranged on flue inside, and is parallel to the flue gas cooling pipe that flue axis carries out extending; Described flue cooling pipe is connected to by the first inlet channel and the first water return pipeline the oxygen-eliminating device being arranged on electric furnace gasification cooling flue outside, is provided with low pressure recycle water pump between oxygen-eliminating device and the first inlet channel; Described flue gas cooling pipe is connected to by the second inlet channel and the second water return pipeline the drum being arranged on electric furnace gasification cooling flue outside, is provided with high pressured water circuling pump between drum and the second inlet channel.
As a modification of the present invention, in the cooling-part of described electric furnace gasification cooling flue, at least include 35 flue cooling pipes.Adopt above-mentioned design, it is by increasing the quantity of flue cooling pipe, the process of cooling water in oxygen-eliminating device in a cycle period in flue is reduced to some extent, thus avoids cooling water and occur steam supersaturation, and then cause the cooling effect of flue to be affected.
As a modification of the present invention, in the cooling-part of described electric furnace gasification cooling flue, at least include 70 flue cooling pipes.Adopt above-mentioned design, it, by increasing the quantity of flue cooling pipe further, makes the cooling effect of flue be able to further improvement; Meanwhile, it makes each position of flue all can be able to good cooling by many flue cooling pipes being uniformly distributed on flue.
As a modification of the present invention, the external diameter of the first inlet channel that each root flue cooling pipe connects is at least 250 millimeters, and its pipe thickness is at least 7 millimeters.Adopt above-mentioned design, it makes the water supply flow of cooling water be increased by increasing the diameter of the first inlet channel, thus cooling effect is improved.
As a modification of the present invention, the external diameter of the first water return pipeline that each root flue cooling pipe connects is at least 300 millimeters, and its pipe thickness is at least 10 millimeters.Adopt above-mentioned design, it, by the diameter of increase by first water return pipeline, makes the cycle efficieny of cooling water be improved, thus makes the water temperature of cooling water to remain on low-temperature condition, and then its cooling effect is improved.
As a modification of the present invention, the cooling-part of described electric furnace gasification cooling flue includes at least 2 low pressure recycle water pumps, and at least one low pressure recycle water pump for subsequent use; Every platform low pressure recycle water pump is all connected with the 3rd inlet channel; In the cooling-part of described electric furnace gasification cooling flue, its end in fixed section flue is provided with bus dump, and many first inlet channels are all connected to bus dump, and many 3rd inlet channels are connected to bus dump respectively.Adopt above-mentioned design, it is by the setting of multiple stage low pressure recycle water pump, the flow supplied water is improved, and by the setting of low pressure recycle water pump for subsequent use, under effectively prevent low pressure recycle fault of water pump state, needs the phenomenon of shut-down (breakdown) mainteance; Meanwhile, the water inlet being arranged so that the flue cooling pipe of each position of bus dump distributes more even.
As a modification of the present invention, the external diameter of described 3rd inlet channel is at least 250 millimeters, and its pipe thickness is at least 7 millimeters; The external diameter of described bus dump is at least 300 millimeters, and its pipe thickness is at least 8 millimeters.Adopt above-mentioned design, it is by the setting of the 3rd inlet channel, and the large discharge making it be applicable to water pump supplies water, and to make follow-up cooling water flow be improved, further increases flue cooling effect.
As a modification of the present invention, by being connected to the outfall sewer of oxygen-eliminating device between described oxygen-eliminating device and multiple low pressure recycle water pump and low pressure recycle water pump for subsequent use, and the exit branch be connected with each low pressure recycle water pump connects; The external diameter of described outfall sewer is at least 400 millimeters, and its pipe thickness is at least 8 millimeters.Adopt above-mentioned design, its diameter by outfall sewer is arranged, and follow-up large discharge cooling water is achieved.
Adopt the cooling-part of the electric furnace gasification cooling flue of technique scheme, it is by the vibrational power flow of flue cooling-part, its cooling water channel is optimized, and be arranged so that it can realize the cooling water of large discharge by the diameter of cooling water channel, and effectively can avoid the steam supersaturation of cooling water, thus its cooling effect is ensured, and avoid flue cooling-part to occur phenomenons such as leaking, and then ensure that the service life of flue.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is flue cooling pipe and flue structure schematic diagram in the present invention;
Fig. 3 is flue gas cooling pipe schematic diagram in the present invention;
Reference numerals list:
1-fixed section flue, 2-interlude flue, 3-rear flue, 4-flue cooling pipe, 5-flue gas cooling pipe, 6-the first inlet channel, 7-the first water return pipeline, 8-oxygen-eliminating device, 9-the second inlet channel, 10-the second water return pipeline, 11-drum, 12-high pressured water circuling pump, 13-low pressure recycle water pump, 14-low pressure recycle water pump for subsequent use, 15-the three inlet channel, 16-bus dump, 17-outfall sewer, 18-exit branch, 19-electric furnace gasification cooling flue.
Detailed description of the invention
Below in conjunction with detailed description of the invention, illustrate the present invention further, following detailed description of the invention should be understood and be only not used in for illustration of the present invention and limit the scope of the invention.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " interior " and " outward " refer to the direction towards or away from particular elements geometric center respectively.
Embodiment 1
As shown in Figure 1, Figure 2 with the cooling-part of a kind of electric furnace gasification cooling flue shown in Fig. 3, described electric furnace gasification cooling flue includes end to end fixed section flue 1, interlude flue 2 and rear flue 3 successively.The cooling-part of described electric furnace gasification cooling flue includes many and is arranged on flue outside, and becomes the flue cooling pipe 4 of Spiral distribution along flue outer wall, and many are arranged on flue inside, and is parallel to the flue gas cooling pipe 5 that flue axis carries out extending; Described flue cooling pipe 4 is connected to by the first inlet channel 6 and the first water return pipeline 7 oxygen-eliminating device 8 being arranged on electric furnace gasification cooling flue outside, is provided with low pressure recycle water pump between oxygen-eliminating device 8 and the first inlet channel 6; Described flue gas cooling pipe 5 is connected to by the second inlet channel 9 and the second water return pipeline 10 drum 11 being arranged on electric furnace gasification cooling flue outside, is provided with high pressured water circuling pump 12 between drum 11 and the second inlet channel 9.
As a modification of the present invention, in the cooling-part of described electric furnace gasification cooling flue, include 50 flue cooling pipes 5.Adopt above-mentioned design, it is by increasing the quantity of flue cooling pipe, the process of cooling water in oxygen-eliminating device in a cycle period in flue is reduced to some extent, thus avoids cooling water and occur steam supersaturation, and then cause the cooling effect of flue to be affected.
As a modification of the present invention, the external diameter of the first inlet channel 6 that each root flue cooling pipe 5 connects is 260 millimeters, and its pipe thickness is 8 millimeters.Adopt above-mentioned design, it makes the water supply flow of cooling water be increased by increasing the diameter of the first inlet channel, thus cooling effect is improved.
As a modification of the present invention, the external diameter of the first water return pipeline 7 that each root flue cooling pipe 5 connects is 320 millimeters, and its pipe thickness is 10 millimeters.Adopt above-mentioned design, it, by the diameter of increase by first water return pipeline, makes the cycle efficieny of cooling water be improved, thus makes the water temperature of cooling water to remain on low-temperature condition, and then its cooling effect is improved.
As a modification of the present invention, the cooling-part of described electric furnace gasification cooling flue includes 2 low pressure recycle water pumps 13, and a low pressure recycle water pump 14 for subsequent use; Every platform low pressure recycle water pump 13 is all connected with the 3rd inlet channel 15; In the cooling-part of described electric furnace gasification cooling flue, its end in fixed section flue is provided with bus dump 16, and many first inlet channels 6 are all connected to bus dump 16, and many 3rd inlet channels 15 are connected to bus dump 16 respectively.Adopt above-mentioned design, it is by the setting of multiple stage low pressure recycle water pump, the flow supplied water is improved, and by the setting of low pressure recycle water pump for subsequent use, under effectively prevent low pressure recycle fault of water pump state, needs the phenomenon of shut-down (breakdown) mainteance; Meanwhile, the water inlet being arranged so that the flue cooling pipe of each position of bus dump distributes more even.
Adopt the cooling-part of the electric furnace gasification cooling flue of technique scheme, it is by the vibrational power flow of flue cooling-part, its cooling water channel is optimized, and be arranged so that it can realize the cooling water of large discharge by the diameter of cooling water channel, and effectively can avoid the steam supersaturation of cooling water, thus its cooling effect is ensured, and avoid flue cooling-part to occur phenomenons such as leaking, and then ensure that the service life of flue.
Embodiment 2
As a modification of the present invention, in the cooling-part of described electric furnace gasification cooling flue, include 70 flue cooling pipes 5.Adopt above-mentioned design, it, by increasing the quantity of flue cooling pipe further, makes the cooling effect of flue be able to further improvement; Meanwhile, it makes each position of flue all can be able to good cooling by many flue cooling pipes being uniformly distributed on flue.
All the other feature & benefits of the present embodiment are all identical with embodiment 1.
Embodiment 3
As a modification of the present invention, the external diameter of the first inlet channel 6 that each root flue cooling pipe 5 connects is 273 millimeters, and its pipe thickness is 8 millimeters.Adopt above-mentioned design, it makes the water supply flow of cooling water be increased by increasing the diameter of the first inlet channel, thus cooling effect is improved.
As a modification of the present invention, the external diameter of the first water return pipeline 7 that each root flue cooling pipe 5 connects is 325 millimeters, and its pipe thickness is 12 millimeters.Adopt above-mentioned design, it, by the diameter of increase by first water return pipeline, makes the cycle efficieny of cooling water be improved, thus makes the water temperature of cooling water to remain on low-temperature condition, and then its cooling effect is improved.
All the other feature & benefits of the present embodiment are all identical with embodiment 2.
Embodiment 4
As a modification of the present invention, the external diameter of described 3rd inlet channel 15 is 273 millimeters, and its pipe thickness is 7 millimeters; The external diameter of described bus dump 16 is 325 millimeters, and its pipe thickness is 8 millimeters.Adopt above-mentioned design, it is by the setting of the 3rd inlet channel, and the large discharge making it be applicable to water pump supplies water, and to make follow-up cooling water flow be improved, further increases flue cooling effect.
All the other feature & benefits of the present embodiment are all identical with embodiment 3.
Embodiment 5
As a modification of the present invention, by being connected to the outfall sewer 17 of oxygen-eliminating device between described oxygen-eliminating device 8 and multiple low pressure recycle water pump 13 and low pressure recycle water pump 14 for subsequent use, and the exit branch 18 be connected with each low pressure recycle water pump connects; The external diameter of described outfall sewer 17 is 426 millimeters, and its pipe thickness is 9 millimeters.Adopt above-mentioned design, its diameter by outfall sewer is arranged, and follow-up large discharge cooling water is achieved.
All the other feature & benefits of the present embodiment are all identical with embodiment 4.
Claims (8)
1. a cooling-part for electric furnace gasification cooling flue, described electric furnace gasification cooling flue includes end to end fixed section flue, interlude flue and rear flue successively; It is characterized in that, the cooling-part of described electric furnace gasification cooling flue includes many and is arranged on flue outside, and the flue cooling pipe of Spiral distribution is become along flue outer wall, and many are arranged on flue inside, and are parallel to the flue gas cooling pipe that flue axis carries out extending;
Described flue cooling pipe is connected to by the first inlet channel and the first water return pipeline the oxygen-eliminating device being arranged on electric furnace gasification cooling flue outside, is provided with low pressure recycle water pump between oxygen-eliminating device and the first inlet channel; Described flue gas cooling pipe is connected to by the second inlet channel and the second water return pipeline the drum being arranged on electric furnace gasification cooling flue outside, is provided with high pressured water circuling pump between drum and the second inlet channel.
2. according to the cooling-part of electric furnace gasification cooling flue according to claim 1, it is characterized in that, in the cooling-part of described electric furnace gasification cooling flue, at least include 35 flue cooling pipes.
3. according to the cooling-part of electric furnace gasification cooling flue according to claim 2, it is characterized in that, in the cooling-part of described electric furnace gasification cooling flue, at least include 70 flue cooling pipes.
4. according to the cooling-part of electric furnace gasification cooling flue according to claim 3, it is characterized in that, the external diameter of the first inlet channel that each root flue cooling pipe connects is at least 250 millimeters, and its pipe thickness is at least 7 millimeters.
5. according to the cooling-part of electric furnace gasification cooling flue according to claim 3, it is characterized in that, the external diameter of the first water return pipeline that each root flue cooling pipe connects is at least 300 millimeters, and its pipe thickness is at least 10 millimeters.
6. according to the cooling-part of the electric furnace gasification cooling flue described in claim 1 to 5 any one, it is characterized in that, the cooling-part of described electric furnace gasification cooling flue includes at least 2 low pressure recycle water pumps, and at least one low pressure recycle water pump for subsequent use; Every platform low pressure recycle water pump is all connected with the 3rd inlet channel; In the cooling-part of described electric furnace gasification cooling flue, its end in fixed section flue is provided with bus dump, and many first inlet channels are all connected to bus dump, and many 3rd inlet channels are connected to bus dump respectively.
7. according to the cooling-part of electric furnace gasification cooling flue according to claim 6, it is characterized in that, the external diameter of described 3rd inlet channel is at least 250 millimeters, and its pipe thickness is at least 7 millimeters; The external diameter of described bus dump is at least 300 millimeters, and its pipe thickness is at least 8 millimeters.
8. according to the cooling-part of electric furnace gasification cooling flue according to claim 7, it is characterized in that, by being connected to the outfall sewer of oxygen-eliminating device between described oxygen-eliminating device and multiple low pressure recycle water pump and low pressure recycle water pump for subsequent use, and the exit branch be connected with each low pressure recycle water pump connects; The external diameter of described outfall sewer is at least 400 millimeters, and its pipe thickness is at least 8 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520637216.9U CN205002613U (en) | 2015-08-24 | 2015-08-24 | Electric stove evaporative cooling flue's cooling part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520637216.9U CN205002613U (en) | 2015-08-24 | 2015-08-24 | Electric stove evaporative cooling flue's cooling part |
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| Publication Number | Publication Date |
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| CN205002613U true CN205002613U (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520637216.9U Active CN205002613U (en) | 2015-08-24 | 2015-08-24 | Electric stove evaporative cooling flue's cooling part |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043120A (en) * | 2015-08-24 | 2015-11-11 | 江苏联峰能源装备有限公司 | Cooling component of evaporation cooling flue of electric furnace |
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2015
- 2015-08-24 CN CN201520637216.9U patent/CN205002613U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043120A (en) * | 2015-08-24 | 2015-11-11 | 江苏联峰能源装备有限公司 | Cooling component of evaporation cooling flue of electric furnace |
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