CN201093879Y - Cast iron smelting furnace high temperature flue gas processing eqiupment - Google Patents
Cast iron smelting furnace high temperature flue gas processing eqiupment Download PDFInfo
- Publication number
- CN201093879Y CN201093879Y CNU2007200274632U CN200720027463U CN201093879Y CN 201093879 Y CN201093879 Y CN 201093879Y CN U2007200274632 U CNU2007200274632 U CN U2007200274632U CN 200720027463 U CN200720027463 U CN 200720027463U CN 201093879 Y CN201093879 Y CN 201093879Y
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- gas
- heat exchanger
- smoke
- cast iron
- temperature
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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
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model discloses high-temperature gas treatment equipment of the castiron melting furnace, which comprises a heat exchanger. The heat exchanger is communicated with an inertia deduster, the smoke outlet of which is connected with the inlet of an atomizer chamber. The smoke outlet of the atomizer chamber is connected with a water film deduster, the smoke outlet of which is connected with the smoke inlet of a gas dewatering device. Exhausted high-temperature smoke and gas enter into the heat exchanger in the way of a high-temperature gas pipeline. After the heat exchanging, high-temperature smoke and gas sinks rapidly to the bottom of the heat exchanger and goes into the inertia deduster. The smoke and gas can be removed dust with the particle diameter more than 10 micrometers in the inetia deduster and then goes into the atomizer chamber. In the atomizer chamber, coagulation happens between the dust with the particle diameter more than 2 micrometers and liquid droplets, and harmful gases can be dissolved into the liquid. And then, dust with the particle diameter less than 2 micrometers can be removed in the water film deduster, and then water vapor can be removed in the gas dewatering device. Finally the smoke and gas can be discharged with standard quality. The high-temperature gas treatment equipment of the utility model can effectively remove the harmful gases and dust form high-temperature smoke and gas without damaging gas purifying equipment.
Description
Technical field
The utility model relates to a kind of fume treatment auxiliary, relates in particular to a kind of treatment facility of high-temperature flue gas.
Background technology
Cast iron smelting furnace comprises furnace cupola, electric furnace, gas furnace etc., in China is the capital equipment of producing cast iron, one ton of molten iron of every production, cast iron smelting furnace will be to the dust of airborne release 6-10 kilogram, in addition in the discharged flue gas, also contain sulfur dioxide, pernicious gases such as carbon monoxide, serious pollution environment, therefore people handle the flue gas of its discharge with various fume treatment auxiliaries, but because the gas temperature that cast iron smelting furnace discharges is too high, general flue gas of discharging can make the equipment of smoke treatment melt damage at 600～1400 degree, if the equipment of smoke treatment adopts resistant to elevated temperatures material, then cost is too high, and general enterprise is difficult to bear, so these treatment facilities of can only stopping using, the flue gas that cast iron smelting furnace is discharged directly is discharged in the air, has caused environmental pollution.
The utility model content
Technical problem to be solved in the utility model provides the cast iron smelting furnace high-temperature flue gas treatment facility of a kind of energy cleaning high-temp dust in flue gas and pernicious gas.
For solving the problems of the technologies described above, the technical solution of the utility model is: cast iron smelting furnace high-temperature flue gas treatment facility, comprise the heat exchanger that is connected with the high-temperature flue gas pipeline, the outlet flue of described heat exchanger is communicated with inertial dust separator, the outlet flue of described inertial dust separator is connected with the mouth that advances of spray chamber, the outlet flue of described spray chamber is connected with water dust scrubber, and the outlet flue of described water dust scrubber is connected with the mouth that advances of gas dewatering device.
As a kind of improvement, described heat exchanger is made of gas heat exchanger, and this gas heat exchanger is provided with air inlet that is connected with blower fan and the air outlet that is connected with cast iron smelting furnace.
As further improvement, the upper end of described spray chamber is provided with the spiral nozzle with institute's jetting liquid atomizing.
As further improvement, be provided with filter course in the described water dust scrubber, described filter course is separated into upper and lower two parts with the inner space of water dust scrubber, the outlet flue of described spray chamber passes the bottom that described filter course arrives described water dust scrubber, and the top in the described water dust scrubber is provided with spray equipment.
Owing to adopted technique scheme, cast iron smelting furnace high-temperature flue gas treatment facility, comprise the heat exchanger that is connected with the high-temperature flue gas pipeline, the outlet flue of described heat exchanger is communicated with inertial dust separator, the outlet flue of described inertial dust separator is connected with the mouth that advances of spray chamber, the outlet flue of described spray chamber is connected with water dust scrubber, and the outlet flue of described water dust scrubber is connected with the mouth that advances of gas dewatering device; The high-temperature smoke gas of discharging is through the high-temperature flue gas pipeline, enter heat exchanger, reduce rapidly by hot-gas temperature after the heat exchange, arrive the bottom of heat exchanger, enter inertial dust separator, remove the dust of particle diameter greater than 10um, enter spray chamber then, this moment is to greater than producing collision between the dust of 2um and the drop, interception and cohesion, and the pernicious gas that contains in the gas is dissolved in the liquid, entering water dust scrubber, dust less than 2um is removed, and through gas dewatering device steam is removed then, last qualified discharge, under the prerequisite of not damaging gas purifying equipment, effectively removed dust and the pernicious gas in the high-temperature gas.
Because described heat exchanger is made of gas heat exchanger, this gas heat exchanger is provided with air inlet that is connected with blower fan and the air outlet that is connected with cast iron smelting furnace again; The air that in heat exchanger, is preheated by blower fan send into carry out in the cast iron smelting furnace combustion-supporting, good effect is played in abundant burning and molten iron temperature control to coke, thereby make that whole smelting iron process is energy-conservation between 8～10%, and the abundant burning of air to molten iron easy oxidation play inhibitory action again.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structure principle chart of the utility model embodiment water dust scrubber.
The specific embodiment
As shown in Figure 1, cast iron smelting furnace high-temperature flue gas treatment facility, cast iron smelting furnace high-temperature flue gas treatment facility, comprise the heat exchanger 2 that is connected with high-temperature flue gas pipeline 1, the outlet flue of described heat exchanger 2 is communicated with inertial dust separator 3, the outlet flue 31 of described inertial dust separator 3 is connected with the mouth 51 that advances of spray chamber 5, and the outlet flue 52 of described spray chamber 5 is connected with water dust scrubber 6, and the outlet flue 61 of described water dust scrubber 6 is connected with the mouth 71 that advances of gas dewatering device 7.
Described heat exchanger 2 is made of gas heat exchanger, and this gas heat exchanger is provided with air inlet 21 that is connected with blower fan and the air outlet 22 that is connected with cast iron smelting furnace.Cold gas enters heat exchanger 2 through air inlet 21, after process heat exchanger 2 carries out heat exchange, the temperature of high-temperature flue gas is descended, the cold air that is preheated in heat exchanger 2 is simultaneously sent into cast iron smelting furnace by Roots blower and is carried out combustion-supporting, good effect is played in abundant burning and molten iron temperature control to coke, thereby make whole ironmaking processes energy-conservation between 8～10%, and the abundant burning of air to molten iron easy oxidation play inhibitory action again.
The upper end of described spray chamber 5 is provided with the spiral nozzle 53 with institute's jetting liquid atomizing, produce diffusion dissolution, inertial collision, interception and cohesion between pernicious gas molecule and the drop, reach and remove the pernicious gas molecule and greater than the effect of the dust of 2um greater than the dust of 2um and atomizing.
As shown in Figure 2, be provided with filter course 62 in the described water dust scrubber 6, described filter course 62 is separated into upper and lower two parts with the inner space of water dust scrubber 6, the outlet flue 52 of described spray chamber 5 passes the bottom that described filter course 62 arrives described water dust scrubber 6, and the top in the described water dust scrubber 6 is provided with spray equipment 63.Described filter course 61 is multilayer moisture film and multi-layer combined filter material, under the acting in conjunction of filter course 61 and shower 62, at the dust that can effectively capture less than 2um, again can elimination contains the water smoke of toxic gas.
Operation principle of the present utility model is:
The high-temperature smoke gas of discharging from cast iron smelting furnace is through high-temperature flue gas pipeline 1, enter heat exchanger 2, reduce rapidly by hot-gas temperature after the heat exchange, arrive the bottom of heat exchanger 2, enter inertial dust separator 3, the inwall of big soot dust granule and inertial dust separator 3 produces inertial collision, the obstruction effect, remove the dust of particle diameter greater than 10um, gas is by pipeline 4 then, enter spray chamber 5, water by spiral nozzle 53 ejections is atomized, utilize the relative motion of water smoke and high-temperature smoke gas, to the pernicious gas molecule with greater than producing diffusion dissolution between the dust of 2um and the drop, inertial collision, interception and cohesion, enter water dust scrubber 6 then at a high speed, gas evokes moisture film to be made and contains harmful gas and the dust drop is adsorbed by moisture film, absorb, return on the gas then by filter course 61, under the acting in conjunction of filter course 61 and shower 62, contain the water smoke of toxic gas and be removed less than the dust of 2um, the gas that purifies enters pipeline 8 through air-introduced machine, then through gas dewatering device 7 gas in steam remove last qualified discharge.
Claims (4)
1. cast iron smelting furnace high-temperature flue gas treatment facility, it is characterized in that: comprise the heat exchanger (2) that is connected with high-temperature flue gas pipeline (1), the outlet flue of described heat exchanger (2) is communicated with inertial dust separator (3), the outlet flue (31) of described inertial dust separator (3) is connected with the mouth (51) that advances of spray chamber (5), the outlet flue (52) of described spray chamber (5) is connected with water dust scrubber (6), and the outlet flue (61) of described water dust scrubber (6) is connected with the mouth (71) that advances of gas dewatering device (7).
2. cast iron smelting furnace high-temperature flue gas treatment facility as claimed in claim 1, it is characterized in that: described heat exchanger (2) is made of gas heat exchanger, and this gas heat exchanger is provided with air inlet (21) that is connected with blower fan and the air outlet that is connected with cast iron smelting furnace (22).
3. cast iron smelting furnace high-temperature flue gas treatment facility as claimed in claim 1 is characterized in that: the upper end of described spray chamber (5) is provided with the spiral nozzle (53) with institute's jetting liquid atomizing.
4. cast iron smelting furnace high-temperature flue gas treatment facility as claimed in claim 1, it is characterized in that: be provided with filter course (62) in the described water dust scrubber (6), described filter course (62) is separated into upper and lower two parts with the inner space of water dust scrubber (6), the outlet flue (52) of described spray chamber (5) passes the bottom that described filter course (62) arrives described water dust scrubber (6), and the top in the described water dust scrubber (6) is provided with spray equipment (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200274632U CN201093879Y (en) | 2007-09-07 | 2007-09-07 | Cast iron smelting furnace high temperature flue gas processing eqiupment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200274632U CN201093879Y (en) | 2007-09-07 | 2007-09-07 | Cast iron smelting furnace high temperature flue gas processing eqiupment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201093879Y true CN201093879Y (en) | 2008-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200274632U Expired - Fee Related CN201093879Y (en) | 2007-09-07 | 2007-09-07 | Cast iron smelting furnace high temperature flue gas processing eqiupment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201093879Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101757827B (en) * | 2010-02-04 | 2011-12-21 | 南京工业大学 | Gas-solid phase reaction separation system and separation method thereof |
| CN103453779A (en) * | 2013-09-29 | 2013-12-18 | 成都蜀虹装备制造股份有限公司 | Device and method for treating tail gas of smelting furnace |
| CN109570457A (en) * | 2019-01-23 | 2019-04-05 | 山西大通铸业有限公司 | A kind of automatic plus ferrosilicon equipment with dedusting function |
| CN110849161A (en) * | 2019-11-22 | 2020-02-28 | 湖南辰州矿业有限责任公司 | Flue gas temperature regulating device of dry smelting furnace |
-
2007
- 2007-09-07 CN CNU2007200274632U patent/CN201093879Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101757827B (en) * | 2010-02-04 | 2011-12-21 | 南京工业大学 | Gas-solid phase reaction separation system and separation method thereof |
| CN103453779A (en) * | 2013-09-29 | 2013-12-18 | 成都蜀虹装备制造股份有限公司 | Device and method for treating tail gas of smelting furnace |
| CN109570457A (en) * | 2019-01-23 | 2019-04-05 | 山西大通铸业有限公司 | A kind of automatic plus ferrosilicon equipment with dedusting function |
| CN110849161A (en) * | 2019-11-22 | 2020-02-28 | 湖南辰州矿业有限责任公司 | Flue gas temperature regulating device of dry smelting furnace |
| CN110849161B (en) * | 2019-11-22 | 2024-06-11 | 湖南辰州矿业有限责任公司 | Flue gas temperature adjusting device of dry smelting furnace |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080730 Termination date: 20100907 |