CN206177055U - Electric stove high temperature smoke and dust utilizes and dust collector - Google Patents
Electric stove high temperature smoke and dust utilizes and dust collector Download PDFInfo
- Publication number
- CN206177055U CN206177055U CN201621224235.XU CN201621224235U CN206177055U CN 206177055 U CN206177055 U CN 206177055U CN 201621224235 U CN201621224235 U CN 201621224235U CN 206177055 U CN206177055 U CN 206177055U
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- China
- Prior art keywords
- dust
- temperature smoke
- settling chamber
- electric furnace
- pipeline
- 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.)
- Expired - Fee Related
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- 239000000428 dust Substances 0.000 title claims abstract description 112
- 239000000779 smoke Substances 0.000 title claims abstract description 54
- 239000002918 waste heat Substances 0.000 claims abstract description 25
- 238000011084 recovery Methods 0.000 claims abstract description 23
- 238000007670 refining Methods 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims description 8
- 238000004062 sedimentation Methods 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 2
- 238000010891 electric arc Methods 0.000 abstract description 22
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 21
- 239000003546 flue gas Substances 0.000 abstract description 21
- 238000001816 cooling Methods 0.000 abstract description 9
- 238000003723 Smelting Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000002244 precipitate Substances 0.000 abstract description 2
- 239000012141 concentrate Substances 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model provides an electric stove high temperature smoke and dust utilizes and dust collector, concentrate case and exhaust apparatus including refining furnace, roof circulation cover, a secondary settlement room, waste heat recovery device, voltage -sharing deposit room, two secondary settlement rooms, booster fan, pulse bag dust collector ware, dust. The selection of electric stove high temperature smoke and dust utilizes and dust collector to a high temperature flue gas cooling device in the electric arc furnace stove on adopted waste heat recovery device and secondary settlement's basis on, increased the voltage -sharing deposit room, the sensible heat of a high temperature flue gas generates steam or preheats the steel scrap in the make full use of electric arc furnace stove, through the few lost heat of setting up of deposit room can, the comprehensive utilization of characteristics in order to realize the energy of many interceptings precipitate, the smelting energy consumption of electric arc furnace is reduced by a wide margin to the while.
Description
Technical Field
The utility model belongs to the technical field of environmental protection and energy saving, concretely relates to electric stove high temperature smoke and dust utilizes and dust collector.
Background
With the improvement of the smelting technology and the productivity of the electric arc furnace, the original flue gas amount and the heat energy of the electric arc furnace in the production process are greatly increased, the original flue gas amount of the electric arc furnace reaches 800-1000 Nm3/h.t by combining related calculation and statistics, the flue gas contains a large amount of oxides, the temperature of the flue gas reaches 1200-1400 ℃, the heat energy of the flue gas accounts for 17-30% of the total energy consumed by smelting, and if effective measures are not adopted, the surrounding atmospheric environment is polluted to a certain degree, and a large amount of heat energy and resources are consumed. At present, the technology in the aspects of trapping and purifying the flue gas of the electric arc furnace is relatively mature in China, but the cooling of the high-temperature flue gas in the electric arc furnace generally adopts several forms such as air-doped cooling, indirect water cooling, indirect air cooling and the like, and the cooling equipment mainly comprises equipment such as a water-cooling dense-arrangement pipe, a natural air convection air cooler, a forced mechanical air cooler and the like, and the equipment cannot recycle the heat energy in the flue gas, even consumes a large amount of energy, and has high operation energy consumption.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide electric stove high temperature smoke and dust utilizes and dust collector, overcomes above-mentioned defect, retrieves 50 ~ 60% heat energy in the flue gas when solving the flue gas of electric arc furnace to atmospheric environment's pollution problem for produce steam or scrap steel and preheat, with the comprehensive utilization of the realization energy.
In order to solve the technical problem, the utility model provides an electric furnace high-temperature smoke dust utilizing and removing device, which comprises a refining furnace, a roof circulation cover, a primary settling chamber, a waste heat recovery device, a pressure equalizing settling chamber, a secondary settling chamber, a booster fan, a pulse bag dust collector, a dust collecting box and an exhaust device,
the roof circulation cover is covered above the refining furnace and is connected with the inlet of the pulse bag-type dust remover through a first smoke exhaust pipeline,
the discharge port of the refining furnace is sequentially connected with the primary settling chamber, the waste heat recovery device, the secondary settling chamber, the booster fan, the pulse bag-type dust remover and the dust concentration box through a second pipeline, and the gas outlet of the pulse bag-type dust remover is connected with the exhaust device.
The pressure equalizing settling chamber is connected between the primary settling chamber and the secondary settling chamber through a third pipeline.
As an electric stove high temperature smoke utilizes and dust collector's an preferred scheme, electric stove high temperature smoke utilizes and dust collector still includes the fan station, the fan station sets up between the gas outlet and the exhaust apparatus of pulse bag dust remover.
As an electric stove high temperature smoke and dust utilizes and dust collector's an preferred scheme, electric stove high temperature smoke and dust utilizes and dust collector still includes autonomous system, autonomous system passes through the fourth pipe connection and is in between the entry and the gas outlet of pulse sack cleaner.
As an electric stove high temperature smoke and dust utilizes and dust collector's an preferred scheme, exhaust apparatus is exhaust chimney, exhaust chimney's height is 38 m.
As an electric stove high temperature smoke and dust utilizes and dust collector's an preferred scheme, electric stove high temperature smoke and dust utilizes and dust collector still includes the feed tank, the delivery outlet of feed tank passes through fifth pipe connection the charge door of pulse bag dust remover.
As an electric stove high temperature smoke utilizes and dust collector's an preferred scheme, electric stove high temperature smoke utilizes and dust collector still includes the stove top kuppe, the stove top kuppe sets up in the refining furnace with between the roof circulation cover.
As an electric stove high temperature smoke and dust utilizes and dust collector's an preferred scheme, be equipped with first valve and second valve on the third pipeline, first valve setting is in once the deposit room with between the voltage-sharing deposit room, the second valve sets up the voltage-sharing deposit room with between the secondary deposit room, be equipped with the third valve on the second pipeline, the third valve sets up waste heat recovery device with between the secondary deposit room.
As an electric stove high temperature smoke and dust utilizes and dust collector's an preferred scheme, the entry of pulse sack cleaner is through the concentrated case of sixth pipe connection dust.
As the utility model discloses an electric stove high temperature smoke and dust utilizes and dust collector's an optimal selection scheme, be equipped with the fourth valve on the sixth pipeline.
As an electric stove high temperature smoke and dust utilizes and dust collector's an preferred scheme, be equipped with in the voltage-sharing subsider and subside the hanging wire net, subside the hanging wire net and connect adjusting gear, subside the hanging wire net and have multilayer net layer, the net aperture from last down of multilayer net layer is from little to big, through adjusting gear goes up and down net layer.
Compared with the prior art, the utility model provides an electric stove high temperature smoke and dust utilizes and dust collector is an innovation in ultra high power electric arc furnace gas cleaning and heat energy utilization field, especially on having adopted waste heat recovery device and secondary settlement's basis on the selection to a high temperature flue gas cooling equipment in the electric arc furnace, the voltage-sharing deposit room has been increased, the sensible heat of a high temperature flue gas in the electric arc furnace of make full use of generates steam or preheats the scrap steel, through setting up few loss heat energy of deposit room, intercept the comprehensive utilization of the characteristics of precipitate in order to realize the energy more, reduce the smelting energy consumption of electric arc furnace simultaneously by a wide margin. Along with the enhancement of national environmental protection and energy-saving consciousness, the purification and heat energy utilization system of the electric arc furnace flue gas can recover 50-60% of heat energy in the flue gas while solving the problem of pollution of the flue gas of the electric arc furnace to the atmospheric environment, so as to realize the comprehensive utilization of energy, greatly reduce the smelting energy consumption of the electric arc furnace, bring direct economic benefits for enterprises and meet the relevant requirements of the national environmental protection and energy saving aspects, has wide market prospect, and whether the automatic control system monitors the use of a pulse bag-type dust collector or not after the flue gas is precipitated in the earlier stage, effectively saves the equipment operation cost, and improves the waste heat utilization rate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein,
fig. 1 is a schematic view of the system structure of the electric furnace high-temperature smoke dust utilizing and dust removing device of the present invention.
Wherein: 1 is a refining furnace, 2 is a roof circulation cover, 3 is a primary settling chamber, 4 is a waste heat recovery device, 5 is a pressure equalizing settling chamber, 6 is a secondary settling chamber, 7 is a booster fan, 8 is a pulse bag-type dust remover, 9 is a dust collecting box, 10 is an exhaust device, 11 is a first exhaust pipeline, 12 is a second pipeline, 13 is a third pipeline, 14 is an automatic control system, 15 is a fan station, 16 is a fourth pipeline, 17 is a feeding tank, 18 is a fifth pipeline, 19 is a furnace platform flow guide cover, 20 is a first valve, 21 is a second valve, 22 is a third valve, 23 is a sixth pipeline, and 24 is a fourth valve.
Detailed Description
Electric stove high temperature smoke and dust utilize and dust collector, it includes: the device comprises a refining furnace 1, a roof circulation cover 2, a primary settling chamber 3, a waste heat recovery device 4, a pressure equalizing settling chamber 5, a secondary settling chamber 6, a booster fan 7, a pulse bag-type dust remover 8, a dust collecting box 9 and an exhaust device 10.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the following embodiments.
First, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Secondly, the utility model discloses utilize the structure schematic diagram etc. to carry out the detailed description, when detailing the embodiment of the utility model, for the convenience of explanation, the schematic diagram that shows electric stove high temperature smoke and dust utilizes and dust collector structure can not do local the enlargeing according to general proportion, moreover the schematic diagram is the example, and it should not limit here the scope of the protection of the utility model. In addition, the actual fabrication process should include three-dimensional space of length, width and depth.
Example one
Referring to fig. 1, fig. 1 is a schematic view of a system structure of a high-temperature smoke dust utilizing and removing device of an electric furnace according to the present invention. As shown in figure 1, the electric furnace high-temperature smoke dust utilizing and dedusting device comprises a refining furnace 1, a roof circulation cover 2, a primary settling chamber 3, a waste heat recovery device 4, a pressure equalizing settling chamber 5, a secondary settling chamber 6, a booster fan 7, a pulse bag-type dust collector 8, a dust collecting box 9 and an exhaust device 10, wherein the roof circulation cover 2 is covered above the refining furnace 1, the roof circulation cover 2 is connected with an inlet (not shown) of the pulse bag-type dust collector 8 through a first exhaust pipeline 11,
the discharge port (not shown) of the refining furnace 1 is sequentially connected with the primary settling chamber 3, the waste heat recovery device 4, the secondary settling chamber 6, the booster fan 7, the pulse bag-type dust remover 8 and the dust concentration box 9 through a second pipeline 12, and the gas outlet (not shown) of the pulse bag-type dust remover 8 is connected with the gas exhaust device 10.
Said pressure equalizing settling chamber 5 is connected between said primary settling chamber 3 and said secondary settling chamber 6 by a third conduit 13.
The electric furnace high-temperature smoke dust utilizing and removing device further comprises a fan station 15, and the fan station 15 is arranged between the air outlet of the pulse bag-type dust remover 8 and the exhaust device 10.
The electric furnace high-temperature smoke utilizing and dust removing device further comprises an automatic control system, and the automatic control system 14 is connected between the inlet and the air outlet of the pulse bag-type dust remover 8 through a fourth pipeline 16.
The exhaust device 10 is an exhaust stack (not shown) having a height of 38 m.
The electric furnace high-temperature smoke dust utilizing and removing device further comprises a feeding tank 17, and an output port (not shown) of the feeding tank 17 is connected with a feeding port (not shown) of the pulse bag-type dust remover 8 through a fifth pipeline 18.
The electric furnace high-temperature smoke utilization and dust removal device further comprises a furnace platform flow guide cover 19, and the furnace platform flow guide cover 19 is arranged between the refining furnace 1 and the roof circulation cover 2.
The third pipeline 13 is provided with a first valve 20 and a second valve 21, the first valve 20 is arranged between the primary settling chamber 3 and the pressure equalizing settling chamber 5, the second valve 21 is arranged between the pressure equalizing settling chamber 5 and the secondary settling chamber 6, the second pipeline 12 is provided with a third valve 22, and the third valve 22 is arranged between the waste heat recovery device 4 and the secondary settling chamber 6.
The inlet of the pulse bag-type dust collector 8 is connected with a dust collecting box 9 through a sixth pipeline 23. And a fourth valve 24 is arranged on the sixth pipeline 23.
A sedimentation hanging net (not shown) is arranged in the pressure equalizing sedimentation chamber 5 and is connected with an adjusting gear (not shown), the sedimentation hanging net is provided with a plurality of layers of grid layers (not shown), the pore diameters of the grids from top to bottom of the plurality of layers of grid layers are from small to large, and the grid layers are lifted through the adjusting gear.
It should be understood by those skilled in the art that one of the features or objects of the present invention is to: the utility model provides an electric stove high temperature smoke and dust utilization and dust collector, it mainly has following advantage:
1. the roof circulating hood is adopted for collecting the secondary smoke dust of the electric arc furnace, so that the collection of all the secondary smoke dust in the smelting process of the electric arc furnace can be realized, and meanwhile, the matched furnace platform flow guide hood is used for reducing the smoke dust diffusion range, effectively reducing the air quantity required by the system and reducing the installed power of the system;
2. the waste heat recovery device is adopted for cooling the primary smoke dust of the electric arc furnace, more than 60% of heat in the smoke dust can be recovered, and comprehensive utilization of energy is realized;
3. the normal operation of equipment such as a waste heat recovery device, a booster fan and the like is effectively protected by the arrangement of the primary and voltage-sharing settling chambers, wherein the voltage-sharing settling chamber is additionally arranged, the sensible heat of primary high-temperature flue gas in the electric arc furnace is fully utilized to generate steam or preheat waste steel, the comprehensive utilization of energy is realized by the characteristics of less heat loss and more interception of sediments due to the arrangement of the settling chamber, and meanwhile, the smelting energy consumption of the electric arc furnace is greatly reduced;
4. a booster fan is arranged behind the waste heat recovery device to balance the high resistance of the waste heat recovery device and reduce the installed power of a main fan of the system.
5. The automatic control system monitors whether the use of the pulse bag-type dust remover is needed or not after the flue gas is precipitated in the early stage, so that the equipment running cost is effectively saved, and the waste heat utilization rate is improved.
Main technical indexes or economic indexes:
the utility model provides an electric stove high temperature smoke and dust utilizes and dust collector can obtain following technical index and economic index at the implementation in-process:
1. the flue gas trapping rate is as follows: more than or equal to 98 percent;
2. deep smoke dischargeDegree: less than or equal to 50mg/m3；
3. Per ton steel dust removal power consumption: less than or equal to 20 kw.h;
4. the waste heat recovery device recovers heat energy: more than or equal to 60 percent;
when the waste heat recovery device adopts a waste heat boiler, the steam output of 1.2MPa per ton of steel is more than or equal to 100kg, the steam production of 100 tons of ultra-high power electric arc furnace is about 10 tons per hour, the annual operation time is 6000 hours, the total steam production is about 60000 tons, the total heat recovery plan is 3600000 ten thousand calories, which is equivalent to the heat value generated by 5000 tons of standard coal, the direct economic benefit is about 1200 ten thousand yuan, the emission of CO2 is reduced by 1 ten thousand tons, and the waste heat recovery device has great economic and social benefits.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. Electric stove high temperature smoke and dust utilizes and dust collector, including the refining furnace, characterized by: also comprises a roof circulation cover, a primary settling chamber, a waste heat recovery device, a pressure equalizing settling chamber, a secondary settling chamber, a booster fan, a pulse bag dust remover, a dust concentration box and an exhaust device,
the roof circulation cover is covered above the refining furnace and is connected with the inlet of the pulse bag-type dust remover through a first smoke exhaust pipeline,
the discharge port of the refining furnace is sequentially connected with the primary settling chamber, the waste heat recovery device, the secondary settling chamber, the booster fan, the pulse bag-type dust remover and the dust concentration box through a second pipeline, and the gas outlet of the pulse bag-type dust remover is connected with the exhaust device.
The pressure equalizing settling chamber is connected between the primary settling chamber and the secondary settling chamber through a third pipeline.
2. The electric furnace high-temperature smoke utilizing and dust removing device as claimed in claim 1, which is characterized in that: the electric furnace high-temperature smoke dust utilizing and removing device further comprises a fan station, and the fan station is arranged between the air outlet of the pulse bag-type dust remover and the exhaust device.
3. The electric furnace high-temperature smoke utilizing and dust removing device as claimed in claim 2, which is characterized in that: the electric furnace high-temperature smoke utilizing and dust removing device further comprises an automatic control system, and the automatic control system is connected between the inlet and the gas outlet of the pulse bag-type dust remover through a fourth pipeline.
4. The electric furnace high-temperature smoke utilizing and dust removing device as claimed in claim 1, which is characterized in that: the exhaust device is an exhaust chimney, and the height of the exhaust chimney is 38 m.
5. The electric furnace high-temperature smoke utilizing and dust removing device as claimed in claim 1, which is characterized in that: the electric furnace high-temperature smoke utilizing and dust removing device further comprises a feeding tank, and an output port of the feeding tank is connected with a feeding port of the pulse bag-type dust remover through a fifth pipeline.
6. The electric furnace high-temperature smoke utilizing and dust removing device as claimed in claim 1, which is characterized in that: the electric furnace high-temperature smoke utilization and dust removal device further comprises a furnace platform flow guide cover, and the furnace platform flow guide cover is arranged between the refining furnace and the roof circulation cover.
7. The electric furnace high-temperature smoke utilizing and dust removing device as claimed in claim 1, which is characterized in that: the waste heat recovery device is characterized in that a first valve and a second valve are arranged on the third pipeline, the first valve is arranged between the primary settling chamber and the pressure equalizing settling chamber, the second valve is arranged between the pressure equalizing settling chamber and the secondary settling chamber, a third valve is arranged on the second pipeline, and the third valve is arranged between the waste heat recovery device and the secondary settling chamber.
8. The electric furnace high-temperature smoke utilizing and dust removing device as claimed in claim 1, which is characterized in that: and the inlet of the pulse bag-type dust collector is connected with a dust collecting box through a sixth pipeline.
9. The electric furnace high-temperature smoke utilizing and dust removing device as claimed in claim 8, which is characterized in that: and a fourth valve is arranged on the sixth pipeline.
10. The electric furnace high-temperature smoke utilizing and dust removing device as claimed in claim 1, which is characterized in that: the pressure-equalizing sedimentation chamber is internally provided with a sedimentation hanging net which is connected with an adjusting gear, the sedimentation hanging net is provided with a plurality of grid layers, the grid pore diameters of the plurality of grid layers from top to bottom are from small to large, and the grid layers are lifted through the adjusting gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621224235.XU CN206177055U (en) | 2016-11-14 | 2016-11-14 | Electric stove high temperature smoke and dust utilizes and dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621224235.XU CN206177055U (en) | 2016-11-14 | 2016-11-14 | Electric stove high temperature smoke and dust utilizes and dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206177055U true CN206177055U (en) | 2017-05-17 |
Family
ID=58685011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621224235.XU Expired - Fee Related CN206177055U (en) | 2016-11-14 | 2016-11-14 | Electric stove high temperature smoke and dust utilizes and dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206177055U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163572A (en) * | 2018-08-29 | 2019-01-08 | 无锡雪浪环境科技股份有限公司 | A kind of electric furnace flue gas dust-extraction unit storing flue gas |
| CN111780560A (en) * | 2019-04-04 | 2020-10-16 | 中冶京诚工程技术有限公司 | Electric furnace flue gas emission treatment device and method |
| CN112556417A (en) * | 2020-12-09 | 2021-03-26 | 张家港宏昌钢板有限公司 | Electric furnace smelting energy-saving equipment and use method thereof |
-
2016
- 2016-11-14 CN CN201621224235.XU patent/CN206177055U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163572A (en) * | 2018-08-29 | 2019-01-08 | 无锡雪浪环境科技股份有限公司 | A kind of electric furnace flue gas dust-extraction unit storing flue gas |
| CN111780560A (en) * | 2019-04-04 | 2020-10-16 | 中冶京诚工程技术有限公司 | Electric furnace flue gas emission treatment device and method |
| CN112556417A (en) * | 2020-12-09 | 2021-03-26 | 张家港宏昌钢板有限公司 | Electric furnace smelting energy-saving equipment and use method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20201114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |