CN2719854Y - Dry dust-collecting device suitable for blast furnace with heat exchanger - Google Patents
Dry dust-collecting device suitable for blast furnace with heat exchanger Download PDFInfo
- Publication number
- CN2719854Y CN2719854Y CN2004200529337U CN200420052933U CN2719854Y CN 2719854 Y CN2719854 Y CN 2719854Y CN 2004200529337 U CN2004200529337 U CN 2004200529337U CN 200420052933 U CN200420052933 U CN 200420052933U CN 2719854 Y CN2719854 Y CN 2719854Y
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- blast furnace
- pipeline
- dust
- dry
- 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 - Lifetime
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/22—Dust arresters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4263—Means for active heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
- B01D2273/20—High temperature filtration
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Blast Furnaces (AREA)
- Air Supply (AREA)
- Cleaning In General (AREA)
Abstract
A dry dust-collecting device suitable for blast furnace with heat exchanger of the utility model comprises a rough dust-collecting device [ 1 ], a heat exchanger [ 2 ], a fine dust-collecting device [ 3 ] and a pipeline valve. The dry dust-collecting device suitable for blast furnace with heat exchanger is also provided with a pipeline [ 4 ] connected to a blast furnace hot blast stove or furnace system, transferring the heat of the hot air or the high temperature flue gas to the gas so as to prevent condensation of moisture; for reducing the manufacture requirement to the heat exchanger, the pipeline [ 4 ] is equipped with a mixing valve [ 5 ]; a portion of normal temperature air is incorporated into the hot air so as to make the maximum temperature in the heat exchanger not too high. The utility model can also be equipped with an air inlet valve [ 6 ] and a draught fan [ 7 ]; as occasion requires, natural wind can enter into the heat exchanger to cool down the gas to be dedusted. The utility model has major advantages that 1. the special high temperature heat source is omitted; especially under the condition of small operating probability, the superiority is more obvious; 2. the potential energy of the air heater can be fully used; 3. the utility model has quick starting, short temperature detention time, fast response, etc.
Description
Affiliated technical field
The utility model relates to a kind of dry-method dust-removal device that is provided with heat exchanger that is applicable to blast furnace.
Background technology
The dry-method dust-removal device that is applicable to blast furnace is the current equipment of demanding urgently applying, and it has water saving, energy-conservation great social benefit and economic benefit.Usually, this dry-method dust-removal device is made up of by the smart dust removal installation and the pipeline valve of representative for thick dust removal installation, heat exchanger, sack cleaner or the electric precipitator of representative gravitational precipitator or tornado dust collector etc.The heat exchanger that this cleaning apparatus is set is when treating that dust separating gas temperature is crossed when low it to be heated, and after preventing dewfall, smart fly-ash separator is lost efficacy; When treating that dust separating gas temperature is too high, it is cooled off,, make it to lose efficacy to prevent the excessive deformation of cloth bag scaling loss or electric precipitator.The main drawback of existing apparatus is to being treated that the high temperature heat source of dedusting gas heating is ad hoc, will increase input and operation, maintenance cost and energy consumption; Notice that this device only just enables when the blast furnace work condition abnormality, probability of use is very little, and this input is very uneconomical; But, in order to guarantee the works better of system, have to again do like this, because it is handle like this, more more economical than a standby cover wet scrubber.
Summary of the invention
The purpose of this utility model is that a kind of heat exchanger that is provided with will be provided, but does not have the dry-method dust-removal device that is applicable to blast furnace of ad hoc high temperature heat source.
Basic design of the present utility model is, directly takes heat energy from the hot blast stove system of blast furnace or from the flue gas system of boiler, offers heat exchanger and uses.Particularly, be that described heat exchanger is provided with and blast-furnace hot-air furnace system and/or the pipeline that is connected of the flue gas system of boiler.Be this pipeline, except can also communicating with the flue gas system of boiler is communicated with the useless exhaust gases passes of hotblast stove; Can communicate with the hot air duct of hotblast stove again; Can also all communicate with two places in above-mentioned three places, and control by valve, certainly, it also is feasible all communicating with above-mentioned three places, just for economically consideration, not too necessary.By the heat exchange in heat exchanger, the heat transferred of hot blast or high-temperature flue gas is treated dust separating gas.Cross the normal operation that low or thermal source work influences this device when undesired in order to prevent flue-gas temperature, can also set up a kind of burner, the high-temperature flue gas that this burner is produced enters foregoing pipeline, by the intensity of combustion of control burner, the temperature that guarantees to enter the heat supply gas of heat exchanger remains in the reasonable range.When the hot blast that uses hotblast stove during as thermal source, in order to reduce the manufacturing requirement of heat exchanger, can establish a Gas mixing valve at the heating duct place, sneak into the air of part normal temperature, make the top temperature in the heat exchanger not too high.In addition, when using hot blast as thermal source, the tail gas of heat exchanger also has waste heat, note utilizing, and for example, it can be sent into combustion air pipeline etc.Give when treating the cooling of dedusting gas when needs, can under the effect of induced draft fan, make natural wind enter heat exchanger, give and treat the cooling of dedusting gas; Certainly, do not repel the mode that adopts water-cooled here yet.
Advantage of the present utility model is: 1. saved ad hoc high temperature heat source, can save investment and space and operation, maintenance cost and the energy; Particularly under the condition of small probability operation, more can show advantage of the present utility model.2. can make full use of the potential of hotblast stove.3. start rapidly, the temperature hysteresis time is short, responds fast etc.
Description of drawings
2 pages of the utility model drawings attacheds, totally 4 width of cloth.Wherein, Fig. 1, Fig. 2, Fig. 3 are respectively the structural representations of embodiment one, embodiment two and embodiment three, and Fig. 4 is the pipeline synoptic diagram of heating tube when connecting two kinds of thermals source simultaneously.Below just further specify in conjunction with the accompanying drawings as follows:
Fig. 1 is the embodiment one that is applicable to the dry-method dust-removal device that is provided with heat exchanger of blast furnace.Wherein, [1] represents the thick dust removal installation in this dry method cleaning apparatus, and it can be a gravitational precipitator, also can be tornado dust collector etc.; [2] represent heat exchanger in this dry method cleaning apparatus, [3] represent smart dust removal installation in this dry method cleaning apparatus, it can be a sack cleaner, it also can be electric precipitator, [4] representative is led to heat exchanger [2] and is provided the pipeline of heat for it, [5] represent by-pass valve control in the pipeline [4], [6] and [7] represent the entrance and exit for the treatment of dust separating gas in this dry method cleaning apparatus respectively, [8] and [9] represent control in this dry method cleaning apparatus to treat the valve of dust separating gas flow, [10] are the outlets that the residual gas of hot blast behind the heat is provided to heat exchanger.
After the Controlling System in this dry method cleaning apparatus was sent the dewfall alarm, shut-off valve [9] was opened valve [8] immediately; Also to open valve [5] simultaneously, use hot blast or give heat exchanger [2] heat supply by pipeline [4], can implement to treat the heating of dedusting gas through the hot-blast stove fume or the boiler smoke of pressurization.
Embodiment two shown in Figure 2 is modified versions of embodiment one.It is to be provided with a kind of burner [18] leading to heat exchanger [2] and provide for it on pipeline [4] of heat, the high-temperature flue gas that this burner is produced enters described pipeline [4], by the intensity of combustion of control burner, the temperature that guarantees to enter the heat supply gas of heat exchanger remains in the reasonable range.The way of this set burner can be applied in the various example of the present utility model, and it can also be crossed when low in the useless flue-gas temperature of hotblast stove or boiler except can dealing with the thermal source blowing-out that barrier causes for some reason, and it is heated.
Embodiment three shown in Figure 3 also is the modified version of embodiment one.It has increased Gas mixing valve [11], mix the part freezing air can for pipeline [4] by this valve, when using air heating, the top temperature that enters the hot gas in the heat exchanger [2] with control does not surpass a certain set(ting)value, avoids too much increasing the manufacturing requirement and the cost of heat exchanger and heat exchange element thereof.
It has also increased cold air inlet and valve [12] and induced draft fan [14] and valve [13] thereof, treats the needs that dedusting gas is lowered the temperature to satisfy.Like this, after the Controlling System in this dry method cleaning apparatus was sent heat alert, by opening valve [12], [13], sealing residual gas outlet [10] also started induced draft fan [14], can implement to treat the cooling of dedusting gas.
Increase induced draft fan [14] and can also bring the another one benefit, Here it is when the flue gas that utilizes hotblast stove or boiler smoke during to the heat exchanger heat supply, and this flue gas can directly be extracted by induced draft fan, and avoids its special pressurization.
Fig. 4 is the pipeline synoptic diagram that heating tube is connected two place's thermals source simultaneously.Among the figure, pipeline [4] has a branch point [17], behind the road process valve of telling [15], connects with place's thermal source; Another road is then connected by valve [16] and another place's thermal source.Like this, can determine to get the wind point by the opening and closing of valve [15] and valve [16]; In other words, can select the source of heat supply hot gas exactly neatly, add that section of tubing can be public, expense also can be lower.
Embodiment
When implementing the utility model, the function that it treats the dedusting gas heating is only chosen in suggestion, and only will carry the pipeline of heating medium and heating duct to connect, and utilizes the higher advantage of hot blast temperature, and the size of dwindling heat exchange gas can also be saved investment cost simultaneously greatly.When treating that dust separating gas temperature is too high, can adopt additive method, as water spray, solve.
Claims (9)
1. dry-method dust-removal device that is provided with heat exchanger that is applicable to blast furnace, it is made up of thick dust removal installation, heat exchanger, smart dust removal installation and pipeline valve, it is characterized in that described heat exchanger [2] is provided with and blast-furnace hot-air furnace system and/or the pipeline [4] that is connected of the flue gas system of boiler.
2. the dry-method dust-removal device that is provided with heat exchanger that is applicable to blast furnace as claimed in claim 1 is characterized in that, described pipeline [4] is connected with the heating duct of blast furnace.
3. the dry-method dust-removal device that is provided with heat exchanger that is applicable to blast furnace as claimed in claim 2 is characterized in that described pipeline [4] is provided with Gas mixing valve [11].
4. the dry-method dust-removal device that is provided with heat exchanger that is applicable to blast furnace as claimed in claim 1 is characterized in that, induced draft fan [14] is connected and be provided with to described pipeline [4] with the exhaust gases passes of hotblast stove.
5. the dry-method dust-removal device that is provided with heat exchanger that is applicable to blast furnace as claimed in claim 1 is characterized in that, induced draft fan [14] is connected and be provided with to described pipeline [4] with the exhaust gases passes of boiler.
6. as claim 1, the 2 or 3 described dry-method dust-removal devices that are provided with heat exchanger that are applicable to blast furnace, it is characterized in that it is provided with valve [12] and the induced draft fan [14] that the control natural air enters.
7. as claim 4 or the 5 described dry-method dust-removal devices that are provided with heat exchanger that are applicable to blast furnace, it is characterized in that it is provided with the valve [12] that the control natural air enters.
8. as claim 1,2,3, the 4 or 5 described dry-method dust-removal devices that are provided with heat exchanger that are applicable to blast furnace, it is characterized in that, a branch point [17] is arranged on the described pipeline [4] and be provided with valve [15] and [16].
9. as claim 1,2,3, the 4 or 5 described dry-method dust-removal devices that are provided with heat exchanger that are applicable to blast furnace, it is characterized in that, be provided with burner [18] on the described pipeline [4].
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2004200529337U CN2719854Y (en) | 2004-08-16 | 2004-08-16 | Dry dust-collecting device suitable for blast furnace with heat exchanger |
| RU2006113136/22U RU62341U1 (en) | 2004-08-16 | 2005-04-18 | Dry Blast Furnace Drying Equipment |
| UAU200604736U UA25271U (en) | 2004-08-16 | 2005-04-18 | Dry-type dusting installation having heat exchanger for blast furnace |
| TR2006/02139U TR200602139U1 (en) | 2004-08-16 | 2005-04-18 | Dry type dust trap with heat exchanger for blast furnace. |
| PCT/CN2005/000515 WO2006017965A1 (en) | 2004-08-16 | 2005-04-18 | A dry-type dusting installation having heat exchanger for blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2004200529337U CN2719854Y (en) | 2004-08-16 | 2004-08-16 | Dry dust-collecting device suitable for blast furnace with heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2719854Y true CN2719854Y (en) | 2005-08-24 |
Family
ID=35008816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004200529337U Expired - Lifetime CN2719854Y (en) | 2004-08-16 | 2004-08-16 | Dry dust-collecting device suitable for blast furnace with heat exchanger |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN2719854Y (en) |
| RU (1) | RU62341U1 (en) |
| TR (1) | TR200602139U1 (en) |
| UA (1) | UA25271U (en) |
| WO (1) | WO2006017965A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890264A (en) * | 2010-07-08 | 2010-11-24 | 大连海事大学 | Anti-dewing and anti-icing safe heating system of bag type dust remover |
| CN102081396A (en) * | 2010-12-31 | 2011-06-01 | 北京交通大学 | Multi-sensor concentrated control method for full-automatic blast furnace dedusting fan control system |
| CN102721075A (en) * | 2012-05-29 | 2012-10-10 | 中节能科技投资有限公司 | Device and method for preheating interior of dust remover |
| CN102921244A (en) * | 2012-11-07 | 2013-02-13 | 深圳市海众热源技术有限公司 | Bag-type dust remover special for coal water slurry |
| CN108315521A (en) * | 2018-04-27 | 2018-07-24 | 天津征鑫热能设备制造有限公司 | A kind of blast funnace hot blast stove auxiliary device with cooling function |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561226B (en) * | 2009-06-03 | 2011-02-16 | 段世荣 | Energy-saving device manufactured by chemical material carrier |
| CN105498385A (en) * | 2016-01-29 | 2016-04-20 | 中冶东方工程技术有限公司 | Furnace gas dust remover for sealed electric furnace |
| CN107970708B (en) * | 2017-11-30 | 2023-07-04 | 成都易态科技有限公司 | High-temperature dedusting ash waste heat utilization system |
| CN110683604B (en) * | 2019-10-30 | 2022-05-13 | 徐州工程学院 | Waste water utilization and flue gas emission reduction system based on solar energy |
| CN114350416B (en) * | 2022-01-17 | 2023-03-24 | 中冶赛迪技术研究中心有限公司 | Blast furnace gas desulfurization device and construction process |
| CN117804071B (en) * | 2024-03-01 | 2024-05-10 | 佛山市九龙机器有限公司 | Water heater convenient to clean and filter |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1391688A1 (en) * | 1986-11-25 | 1988-04-30 | Московский институт стали и сплавов | Apparatus for cleaning gases from dust |
| CN1035831C (en) * | 1994-11-18 | 1997-09-10 | 北京科技大学 | Direct reduction process for oxygen-rich fusion gasifying furnace |
| JPH1143357A (en) * | 1997-07-24 | 1999-02-16 | Yuukou Kogyo Kk | Production of aggregate and production unit therefor |
| CN2334747Y (en) * | 1998-01-07 | 1999-08-25 | 首钢总公司 | Device for recovering carbon dioxide by dry process dust-removing |
| CN1123634C (en) * | 2000-07-14 | 2003-10-08 | 攀枝花新钢钒股份有限公司动力厂 | Dry-type process for dusting gas of blast furnace |
| CN2493240Y (en) * | 2001-07-09 | 2002-05-29 | 蒂莫西M·霍尔马克 | Multi-function sports training apparatus |
-
2004
- 2004-08-16 CN CN2004200529337U patent/CN2719854Y/en not_active Expired - Lifetime
-
2005
- 2005-04-18 WO PCT/CN2005/000515 patent/WO2006017965A1/en active Application Filing
- 2005-04-18 UA UAU200604736U patent/UA25271U/en unknown
- 2005-04-18 TR TR2006/02139U patent/TR200602139U1/en unknown
- 2005-04-18 RU RU2006113136/22U patent/RU62341U1/en active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890264A (en) * | 2010-07-08 | 2010-11-24 | 大连海事大学 | Anti-dewing and anti-icing safe heating system of bag type dust remover |
| CN102081396A (en) * | 2010-12-31 | 2011-06-01 | 北京交通大学 | Multi-sensor concentrated control method for full-automatic blast furnace dedusting fan control system |
| CN102081396B (en) * | 2010-12-31 | 2012-11-07 | 北京交通大学 | Multi-sensor concentrated control method for full-automatic blast furnace dedusting fan control system |
| CN102721075A (en) * | 2012-05-29 | 2012-10-10 | 中节能科技投资有限公司 | Device and method for preheating interior of dust remover |
| CN102721075B (en) * | 2012-05-29 | 2015-06-03 | 中节能科技投资有限公司 | Device and method for preheating interior of dust remover |
| CN102921244A (en) * | 2012-11-07 | 2013-02-13 | 深圳市海众热源技术有限公司 | Bag-type dust remover special for coal water slurry |
| CN108315521A (en) * | 2018-04-27 | 2018-07-24 | 天津征鑫热能设备制造有限公司 | A kind of blast funnace hot blast stove auxiliary device with cooling function |
Also Published As
| Publication number | Publication date |
|---|---|
| RU62341U1 (en) | 2007-04-10 |
| UA25271U (en) | 2007-08-10 |
| WO2006017965A1 (en) | 2006-02-23 |
| TR200602139U1 (en) | 2007-11-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140816 Granted publication date: 20050824 |