CN109364709A - A kind of converter waste gas treatment process - Google Patents
A kind of converter waste gas treatment process Download PDFInfo
- Publication number
- CN109364709A CN109364709A CN201811438724.9A CN201811438724A CN109364709A CN 109364709 A CN109364709 A CN 109364709A CN 201811438724 A CN201811438724 A CN 201811438724A CN 109364709 A CN109364709 A CN 109364709A
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- China
- Prior art keywords
- waste gas
- gas treatment
- treatment tank
- exhaust
- module
- Prior art date
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- 239000002912 waste gas Substances 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000007789 gas Substances 0.000 claims abstract description 92
- 239000012530 fluid Substances 0.000 claims abstract description 66
- 239000007788 liquid Substances 0.000 claims abstract description 54
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 50
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 33
- 229910052742 iron Inorganic materials 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 61
- 239000012535 impurity Substances 0.000 claims description 53
- 239000000356 contaminant Substances 0.000 claims description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 20
- 229910000831 Steel Inorganic materials 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000002775 capsule Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 238000009938 salting Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 1
- 230000001314 paroxysmal effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/025—Other waste gases from metallurgy plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/18—Magnetic separation whereby the particles are suspended in a liquid
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention belongs to converter technical field of waste gas treatment, specifically a kind of converter waste gas treatment process, the technique includes the following steps: that suitable naoh treatment liquid is added in the waste gas treatment tank into environmentally friendly converter, for handling exhaust gas；Took coiled tube arrangements in the liquid level of waste gas treatment tank hereinafter, and the both ends of coil pipe be connected to gas-guide tube, for heating liquid；Took on enough outer walls there are in circular hole and inner cavity be added half volume sodium hydroxide solution alkaline-resisting hollow float investment waste gas treatment tank inside, annular magnetic iron plate is bonded on spherical surface on alkaline-resisting hollow float on the outside of circular hole, annular magnetic iron plate is used to remove the iron filings in treatment fluid；Exhaust gas is passed through into waste gas treatment tank, exhaust gas drives swing module to be stirred treatment fluid by flexible Exhaust airbag；The present invention can improve treatment fluid to the treatment effeciency of exhaust gas, while removing the iron filings in exhaust gas and being recycled, to improve the quality of exhaust-gas treatment by the heat transfer in exhaust gas to treatment fluid.
Description
Technical field
The invention belongs to converter technical field of waste gas treatment, specifically a kind of converter waste gas treatment process.
Background technique
The exhaust gas for being mainly derived from the discharges such as production process chemical reaction of steel and iron industry exhaust gas, such as smelt, burn,
The exhaust gas generated during chemical products and acid washing rolled steel.The discharge amount of iron and steel enterprise's exhaust gas is very big, pollutes wide；Metallurgical kiln
Exhaust gas temperature that fire grate is put is high, and what is discharged in steel smelting procedure is mostly iron oxide fumes, and granularity is small, strong adsorption force, increases
The difficulty of governance of exhaust gas；In blast furnace casting, slag tap etc. and steelmaking process in some processes, the generation of flue gas discharges tool
There is paroxysmal, and again more with uncontrollable discharge.Steel and iron industry produces the value that exhaust gas has recycling, the high waste gas residual heat such as temperature
It recycles, the utilization of the coal gas generated in coking and ironmaking, steelmaking process, and the recycling containing iron oxide dust.Steel work
Industry is the heavy polluter of atmosphere, and steel and iron industry waste gas pollution control and treatment must implement the principle of comprehensive treatment.Make great efforts to reduce energy consumption and raw material
Consumption, this is one of the fundamental way for reducing exhaust gas discharge；Reform technique, using advanced Processes and apparatus, to reduce production
The discharge of technology waste gas；The energy-efficient administering method of active adoption and equipment strengthen improvement, the recycling of exhaust gas；Efforts To Develop
Comprehensive utilization.
Also occurs the technical solution of some converters in the prior art, such as application No. is one of 2016109559890
Chinese patent discloses a kind of environmentally friendly converter, including converter, the top open part of the converter are fixedly connected with exhaust gas
Processing unit, the emission-control equipment include air inlet pipe, and one end of the air inlet pipe is fixedly connected with the opening of converter,
And the other end of air inlet pipe is fixedly connected with the air inlet of waste gas treatment tank, the inner cavity top of the waste gas treatment tank is fixedly mounted
There is water pipe.But the converter can not supplement the substance of absorbing sulfur dioxide in exhaust gas when carrying out exhaust-gas treatment, from
And cause the sulfur dioxide in exhaust gas remaining, people's health is endangered, for this purpose, a kind of converter waste gas treatment process is provided,
To improve treatment fluid to the treatment effeciency of exhaust gas, while it can be removed in exhaust gas by the heat transfer in exhaust gas to treatment fluid
Iron filings recycled, to improve the quality of exhaust-gas treatment, avoid secondary treatment, reduce workload.
Summary of the invention
In order to make up for the deficiencies of the prior art, a kind of converter waste gas treatment process proposed by the present invention, mesh of the invention
Be the heat transfer in exhaust gas to treatment fluid, to improve treatment fluid to the treatment effeciency of exhaust gas, while removing exhaust gas
In iron filings recycled, to improve the quality of exhaust-gas treatment.
The technical solution adopted by the present invention to solve the technical problems is: a kind of converter exhaust-gas treatment of the present invention
Technique, the technique include the following steps:
S1: suitable naoh treatment liquid is added in the waste gas treatment tank into environmentally friendly converter, for handling exhaust gas；
Salting liquid is generated by the sulfur dioxide gas precursor reactant in naoh treatment liquid and exhaust gas, so that sulfur dioxide be avoided directly to arrange
It puts into air, protects the health of worker, improve safety coefficient；
S2: taking the liquid level of waste gas treatment tank of the coiled tube arrangements in S1 hereinafter, and coil pipe both ends with gas-guide tube connect
It is logical, for heating liquid；Exhaust gas is drained into the inside of coil pipe by gas-guide tube, coil pipe absorbs the heat in exhaust gas to place
Reason liquid is heated, and the reaction rate for accelerating Strong oxdiative sodium treatment fluid and sulfur dioxide is conducive to, to improve exhaust-gas treatment effect
Rate；
S3: took on enough outer walls that there are the alkaline-resisting hollow floating of half volume sodium hydroxide solution is added in circular hole and inner cavity
Ball puts into the inside of the waste gas treatment tank in S2, is bonded annular magnetic iron plate, ring on the spherical surface on alkaline-resisting hollow float on the outside of circular hole
Shape flat thin magnet is used to remove the iron filings in treatment fluid；Circular hole is made to be in liquid level hereinafter, using annular magnet by annular magnet
Iron filings in exhaust gas are adsorbed, recycles, treatment fluid is heated by coil pipe, so that in alkaline-resisting hollow float
Air heats expansion in chamber, and then the sodium hydroxide solution inside alkaline-resisting hollow float is discharged from circular hole, supplement process liquid
In alkaline matter, to improve the absorption efficiency of sulfur dioxide；
S4: being passed through exhaust gas into S3 in waste gas treatment tank, exhaust gas is driven by flexible Exhaust airbag and swings module to treatment fluid
It is stirred；The flowing for accelerating treatment fluid by stirring, to improve the rate of exhaust-gas treatment；
Environmentally friendly converter of the S1 into S4 includes furnace body, bottom plate, waste gas treatment tank, swings module, column, except parasitic mode
Block and flexible Exhaust airbag；Furnace body and waste gas treatment tank are installed at the top of the bottom plate；The top of the furnace body and exhaust-gas treatment
It is connected between the bottom of case by gas-guide tube；Solenoid valve, exhaust gas are equipped at the link position of the waste gas treatment tank and gas-guide tube
It is installed on controller on the outer wall for the treatment of box, drawstring is installed on by guide roller on the inner wall of waste gas treatment tank；The column is solid
It is connected in the center position of waste gas treatment tank bottom, is hinged with stirring rod at the top of column；The swing module arrangement is in exhaust gas
Top inside treatment box, swinging module includes cross bar and vertical bar；It is cut with scissors respectively with the top of two vertical bars at the both ends of the cross bar
It connects, the middle part of cross bar and waste gas treatment tank are hinged, and one end of cross bar and one end of drawstring are connected, at the other end and exhaust gas of cross bar
It manages and is equipped with extension spring between the inner wall of case；The bottom end of the vertical bar is equipped with removal of impurities module, and at the top of clean module and stirring rod
It is in contact；The flexible Exhaust airbag is arranged in the inside of waste gas treatment tank, and one end of flexible Exhaust airbag is connected to solenoid valve, stretches
The other end and connecting plate of Exhaust airbag are connected, and are connected between connecting plate and the outer cylinder of column and squeeze spring, and stretch Exhaust airbag
Upper uniformly distributed multiple gas vents, and one-way exhaust valve is equipped on multiple gas vents；The top of the connecting plate and drawstring it is another
End is connected；The one-way exhaust valve is used to for the gas inside flexible Exhaust airbag being discharged；The controller is for controlling solenoid valve
It opens and closes；The stirring rod is used to stir the treatment fluid inside waste gas treatment tank.When work, when what furnace interior generated gives up
When gas is discharged into the inside of flexible Exhaust airbag by gas-guide tube, exhaust gas makes flexible Exhaust airbag elongation, and connecting plate is pushed to pull drawstring
One end it is mobile to the side close to column, the other end of drawstring pulls the left end of cross bar to rotate down, to make cross bar left end
Vertical bar move down, the removal of impurities module of vertical bar bottom end stirs the treatment fluid inside waste gas treatment tank, and removal of impurities module is when moving down
The left end of stirring rod is pushed to move down, the right end of stirring rod moves up, at this point, the vertical bar of cross bar right end drives removal of impurities module to move up, leads to
Controller control solenoid valve is crossed, so that solenoid valve is closed once at regular intervals, when solenoid valve is closed, spring is squeezed and pushes
Connecting plate is extruded the air in flexible Exhaust airbag inner cavity, and pressure is more than facing for one-way exhaust valve in flexible Exhaust airbag inner cavity
When dividing value, the exhaust gas inside flexible Exhaust airbag, which is discharged into treatment fluid, to be handled, at this point, flexible Exhaust airbag is shunk, drives connection
Plate is mobile to the side far from column, and the right end of cross bar rotates down under the action of extension spring, makes the vertical bar of cross bar right end
It moves down, removal of impurities module is driven to push being stirred for stirring rod, so that swing module is moved reciprocatingly with stirring rod, to accelerate
The flowing of waste gas treatment tank inter-process liquid, improves the efficiency of exhaust-gas treatment.
The middle and lower part of the exhaust-gas treatment chamber interior wall is set there are two fixture block；The connected arc elastic in the both ends of the stirring rod
Plate；The position of the arc elastic plate is corresponding with the position of fixture block, and arc elastic plate is for accelerating inside waste gas treatment tank
It is dynamic to manage liquid stream.When work, when the vertical bar of cross bar left end moves down, the removal of impurities module of vertical bar bottom end pushes the left end of stirring rod downward
The arc elastic plate of rotation, the connected spirogyrate in stirring rod left end rotates with it, one end and exhaust-gas treatment when arc elastic plate
On chamber interior wall fixture block contact when continue to rotate, fixture block makes arc elastic plate be deformed into concave shaped, when the left end of stirring rod to
When lower rotation, the arc elastic plate of the connected concave shaped of stirring rod right end is rotated up, and is deformed into spirogyrate after contacting with fixture block,
And stirring rod drives two arc elastic plates to carry out cyclomorphosises when moving reciprocatingly, and is conducive in this way to waste gas treatment tank inside
Treatment fluid stirred, to improve the mixing efficiency of exhaust gas and treatment fluid.
The removal of impurities module includes Intranet, outer net and slide bar；Bottom end on the inside of the Intranet and vertical bar are connected, Intranet it is interior
Side is set there are two slide bar；The outer net arranges the outside netted inside, and the bottom end of bottom end and two slide bars on the inside of outer net is connected；Institute
It states and is equipped with multiple third filter hole on the bottom plate of Intranet and outer net, Intranet is used to clean with outer net；The slide bar is used for will
Intranet is connect with outer net.When work, when the bottom end for the module that cleans pushes the left end of stirring rod to rotate down, in the module that cleans
Outer net bottom end is in contact with the left end of stirring rod, and outer net is moved up by the reaction force of stirring rod, until outer net and Intranet
It is completely coincident, at this point, the removal of impurities module of cross bar right end vertical bar bottom moves up, outer net and Intranet are detached from, and slide bar is by outer net and Intranet
Connection, the cavity volume between outer net and Intranet are increased, are used cooperatively using outer net and Intranet to the place inside waste gas treatment tank
Reason liquid cleans, and increases effectively removal of impurities area, is conducive to the efficiency for improving removal of impurities.
The inside of the waste gas treatment tank is equipped with collection module；The collection module includes arc strainer；The arc filter
The middle and lower part elastic connection with two vertical bars, arc strainer are equipped with multiple first filter hole, arc strainer respectively at the both ends of net
For by the contaminant filter in treatment fluid.When work, when the vertical bar of cross bar left end moves down, the vertical bar of cross bar right end is moved up, with
The left end of the arc strainer of two vertical bar bottom end elastic connections is located at the liquid level for the treatment of fluid hereinafter, the right end of arc strainer is located at place
More than the liquid level for managing liquid, when cross bar moves reciprocatingly, arc strainer is swung therewith, at this point, moving on the left end of arc strainer
More than liquid level, the right end of arc strainer is displaced downwardly to liquid level hereinafter, being conducive to be filtered collection to the impurity on treatment fluid liquid level,
The impurity content in treatment fluid is effectively reduced, the treatment effeciency of exhaust gas is improved.
The center position of the arc strainer, which offers, collects hole；The collection module further includes spherical surface pan；It is described
Spherical surface pan is mounted on the bottom of arc strainer, and the outer diameter of spherical surface pan top opening is greater than the internal diameter for collecting hole, on spherical surface pan
The second filter hole of cloth, spherical surface pan is for collecting impurity.When work, when the vertical bar of cross bar left end moves down, arc strainer left end
It moves down therewith, the left end of arc strainer is located at liquid level hereinafter, at this point, the right end of arc strainer is located at liquid level or more, when a cross bar left side
When the vertical bar at end moves up, the left end of arc strainer moves up therewith, at this point, the right end of arc strainer is located at liquid level hereinafter, when two
When vertical bar moves back and forth under the action of cross bar, arc strainer moves back and forth therewith, the impurity at the top of arc strainer
The inside that spherical surface pan is drained by collecting hole is collected, and is conducive to be filtered the impurity in treatment fluid collection, is improved
The clean level for the treatment of fluid improves treatment effeciency.
Be connected elastic collision column on the upper surface of the arc elastic plate；The elastic collision column is for colliding removal of impurities module
It carries out anti-blocking.When work, when arc elastic plate moves down, one end of arc elastic plate and fixture block are clamped, when arc elastic plate after
Continuous when moving down, the arc elastic plate of spirogyrate is deformed into concave shaped, when deformation, on arc elastic plate upper surface elastic collision column to
Close to the side rotation of removal of impurities module, and collide with outer net, so that removal of impurities module is vibrated with collection module,
Be conducive to the second filtering in the first filter hole and spherical surface pan on outer net and interior online third filter hole, arc strainer
Hole is dredged, and filtering hole plug is avoided, to improve dust removal rate.
Beneficial effects of the present invention are as follows:
1. the present invention passes through coil pipe for the heat transfer of exhaust gas to treatment fluid, to improve titanium dioxide in treatment fluid and exhaust gas
The reaction rate of sulphur accelerates processing speed；Accelerate treatment fluid flowing by swinging module and stirring rod, so that in exhaust gas
The inside for being dispersed in waste gas treatment tank of even heat, effectively improves treatment effeciency.
2. the present invention is sprayed by the heated sodium hydroxide solution by inner cavity of alkaline-resisting hollow float to the alkali in treatment fluid
Property substance supplemented, guarantee treatment fluid to the processing quality of exhaust gas；It is floated on liquid level by alkaline-resisting hollow float, so that resistance to
Sodium hydroxide solution inside alkali hollow float is uniformly discharged into treatment fluid, improves processing quality.
3. the present invention adsorbs the iron filings in treatment fluid by the annular magnetic iron plate on the outside of alkaline-resisting hollow float, and puts
Dynamic model block and stirring rod make the treatment fluid inside waste gas treatment tank accelerate to flow, to reduce containing for iron filings in treatment fluid
Amount, effectively improves treatment effeciency.
Detailed description of the invention
Fig. 1 is process flow chart of the invention；
Fig. 2 is the structural schematic diagram of environmentally friendly converter of the invention；
Fig. 3 is partial enlargement diagram at A in Fig. 2；
Fig. 4 is the cross-sectional view of collection module of the invention；
In figure: furnace body 1, bottom plate 2, gas-guide tube 3, waste gas treatment tank 4, guide roller 41, drawstring 42, fixture block 43, solenoid valve 44,
Controller 45 swings module 5, cross bar 51, vertical bar 52, collection module 6, arc strainer 61, the first filter hole 611, spherical surface pan
62, the second filter hole 621, collection hole 63, column 7, stirring rod 71, arc elastic plate 72, elastic collision column 721, flexible exhaust
Capsule 8, connecting plate 81 squeeze spring 82, removal of impurities module 9, Intranet 91, outer net 92, third filter hole 93, slide bar 94.
Specific embodiment
A kind of converter waste gas treatment process of the invention is carried out using Fig. 1 to Fig. 4 as described below.
As shown in Figures 1 to 4, a kind of converter waste gas treatment process of the present invention, the technique include the following steps:
S1: suitable naoh treatment liquid is added in the waste gas treatment tank into environmentally friendly converter, for handling exhaust gas；
Salting liquid is generated by the sulfur dioxide gas precursor reactant in naoh treatment liquid and exhaust gas, so that sulfur dioxide be avoided directly to arrange
It puts into air, protects the health of worker, improve safety coefficient；
S2: taking the liquid level of waste gas treatment tank of the coiled tube arrangements in S1 hereinafter, and coil pipe both ends with gas-guide tube connect
It is logical, for heating liquid；Exhaust gas is drained into the inside of coil pipe by gas-guide tube, coil pipe absorbs the heat in exhaust gas to place
Reason liquid is heated, and the reaction rate for accelerating Strong oxdiative sodium treatment fluid and sulfur dioxide is conducive to, to improve exhaust-gas treatment effect
Rate；
S3: took on enough outer walls that there are the alkaline-resisting hollow floating of half volume sodium hydroxide solution is added in circular hole and inner cavity
Ball puts into the inside of the waste gas treatment tank in S2, is bonded annular magnetic iron plate, ring on the spherical surface on alkaline-resisting hollow float on the outside of circular hole
Shape flat thin magnet is used to remove the iron filings in treatment fluid；Circular hole is made to be in liquid level hereinafter, using annular magnet by annular magnet
Iron filings in exhaust gas are adsorbed, recycles, treatment fluid is heated by coil pipe, so that in alkaline-resisting hollow float
Air heats expansion in chamber, and then the sodium hydroxide solution inside alkaline-resisting hollow float is discharged from circular hole, supplement process liquid
In alkaline matter, to improve the absorption efficiency of sulfur dioxide；
S4: being passed through exhaust gas into S3 in waste gas treatment tank, exhaust gas is driven by flexible Exhaust airbag and swings module to treatment fluid
It is stirred；The flowing for accelerating treatment fluid by stirring, to improve the rate of exhaust-gas treatment；
As shown in Figures 2 to 4, environmentally friendly converter of the S1 into S4 includes furnace body 1, bottom plate 2, waste gas treatment tank 4, pendulum
Dynamic model block 5, column 7, removal of impurities module 9 and flexible Exhaust airbag 8；The top of the bottom plate 2 is equipped with furnace body 1 and waste gas treatment tank 4；
It is connected between the top of the furnace body 1 and the bottom of waste gas treatment tank 4 by gas-guide tube 3；The waste gas treatment tank 4 and gas-guide tube
It is equipped with solenoid valve 44 at 3 link position, is installed on controller 45, the inner wall of waste gas treatment tank 4 on the outer wall of waste gas treatment tank 4
It is upper that drawstring 42 is installed on by guide roller 41；The column 7 is connected in the center position of 4 bottom of waste gas treatment tank, column 7
Top is hinged with stirring rod 71；The swing module 5 is arranged in the top inside waste gas treatment tank 4, and swinging module 5 includes cross bar
51 and vertical bar 52；The both ends of the cross bar 51 are hinged with the top of two vertical bars 52 respectively, the middle part of cross bar 51 and exhaust-gas treatment
Case 4 is hinged, and one end of cross bar 51 and one end of drawstring 42 are connected, between the other end of cross bar 51 and the inner wall of waste gas treatment tank 4
Equipped with extension spring；The bottom end of the vertical bar 52 is equipped with removal of impurities module 9, and is in contact at the top of clean module 9 and stirring rod 71；Institute
The inside that flexible Exhaust airbag 8 is arranged in waste gas treatment tank 4 is stated, one end of flexible Exhaust airbag 8 is connected to solenoid valve 44, exhaust of stretching
The other end and connecting plate 81 of capsule 8 are connected, and are connected between connecting plate 81 and the outer cylinder of column 7 and squeeze spring 82, and stretch row
Uniformly distributed multiple gas vents on air bag 8, and one-way exhaust valve is equipped on multiple gas vents；The top of the connecting plate 81 and drawstring
42 other end is connected；The one-way exhaust valve is used to for the gas inside flexible Exhaust airbag 8 being discharged；The controller 45 is used for
Solenoid valve 44 is controlled to open and close；The stirring rod 71 is used to stir the treatment fluid inside waste gas treatment tank 4.When work, when
When the exhaust gas generated inside furnace body 1 is discharged into the inside of flexible Exhaust airbag 8 by gas-guide tube 3, exhaust gas stretches flexible Exhaust airbag 8
It is long, push connecting plate 81 that one end of drawstring 42 is pulled to pull cross bar 51 to the other end close to the movement of the side of column 7, drawstring 42
Left end rotate down, so that the vertical bar 52 of 51 left end of cross bar be made to move down, the removal of impurities module 9 of 52 bottom end of vertical bar is to waste gas treatment tank
Treatment fluid inside 4 is stirred, and removal of impurities module 9 pushes the left end of stirring rod 71 to move down when moving down, on the right end of stirring rod 71
It moves, at this point, the vertical bar 52 of 51 right end of cross bar drives removal of impurities module 9 to move up, solenoid valve 44 is controlled by controller 45, so that electromagnetism
Valve 44 is closed once at regular intervals, when solenoid valve 44 is closed, squeezes spring 82 and connecting plate 81 is pushed to make flexible exhaust
Air in 8 inner cavity of capsule is extruded, when pressure is more than the critical value of one-way exhaust valve in 8 inner cavity of Exhaust airbag of stretching, exhaust of stretching
Exhaust gas inside capsule 8, which is discharged into treatment fluid, to be handled, at this point, flexible Exhaust airbag 8 is shunk, drives connecting plate 81 to far from column
7 side is mobile, and the right end of cross bar 51 rotates down under the action of extension spring, moves down the vertical bar 52 of 51 right end of cross bar,
It drives removal of impurities module 9 to push being stirred for stirring rod 71, swing module 5 is made to move reciprocatingly with stirring rod 71, thus plus
The speed flowing of 4 inter-process liquid of waste gas treatment tank, improves the efficiency of exhaust-gas treatment.
The middle and lower part of 4 inner wall of waste gas treatment tank is set there are two fixture block 43；The connected arc in the both ends of the stirring rod 71
Shape elastic plate 72；The position of the arc elastic plate 72 is corresponding with the position of fixture block 43, and arc elastic plate 72 is for accelerating to give up
4 inter-process liquid stream of gas disposal case is dynamic.When work, when the vertical bar 52 of 51 left end of cross bar moves down, parasitic mode is removed in 52 bottom end of vertical bar
Block 9 pushes the left end of stirring rod 71 to rotate down, and the arc elastic plate 72 of the connected spirogyrate in 71 left end of stirring rod rotates with it,
It is continued to rotate when one end of arc elastic plate 72 is contacted with the fixture block 43 on 4 inner wall of waste gas treatment tank, fixture block 43 makes arc
Elastic plate 72 is deformed into concave shaped, when the left end of stirring rod 71 rotates down, the arc of the connected concave shaped of 71 right end of stirring rod
Shape elastic plate 72 is rotated up, and spirogyrate is deformed into after contacting with fixture block 43, and two are driven when stirring rod 71 moves reciprocatingly
Arc elastic plate 72 carries out cyclomorphosis, is conducive to stir the treatment fluid inside waste gas treatment tank 4 in this way, to improve
The mixing efficiency of exhaust gas and treatment fluid.
The removal of impurities module 9 includes Intranet 91, outer net 92 and slide bar 94；The bottom end of 91 inside of Intranet and vertical bar 52 are solid
Even, the inside of Intranet 91 is set there are two slide bar 94；The outer net 92 is arranged in the outside of Intranet 91, the bottom end of 92 inside of outer net with
The bottom end of two slide bars 94 is connected；Multiple third filter hole 93, Intranet 91 are equipped on the Intranet 91 and the bottom plate 2 of outer net 92
It is used to clean with outer net 92；The slide bar 94 is for Intranet 91 to be connect with outer net 92.When work, when the bottom of removal of impurities module 9
When end pushes the left end of stirring rod 71 to rotate down, 92 bottom end of outer net in the module 9 that cleans is in contact with the left end of stirring rod 71,
Outer net 92 is moved up by the reaction force of stirring rod 71, until outer net 92 is completely coincident with Intranet 91, at this point, cross bar 51 is right
The removal of impurities module 9 of end 52 bottom of vertical bar moves up, and outer net 92 and Intranet 91 are detached from, and outer net 92 is connect by slide bar 94 with Intranet 91, outside
Cavity volume between net 92 and Intranet 91 increases, and is used cooperatively inside to waste gas treatment tank 4 using outer net 92 and Intranet 91
Treatment fluid cleans, and increases effectively removal of impurities area, is conducive to the efficiency for improving removal of impurities.
The inside of the waste gas treatment tank 4 is equipped with collection module 6；The collection module 6 includes arc strainer 61；The arc
The middle and lower part elastic connection with two vertical bars 52, arc strainer 61 are equipped with multiple first filter hole respectively at the both ends of shape strainer 61
611, arc strainer 61 is used for the contaminant filter in treatment fluid.When work, when the vertical bar 52 of 51 left end of cross bar moves down, cross bar
The vertical bar 52 of 51 right ends moves up, and the liquid level for the treatment of fluid is located at the left end of the arc strainer 61 of two 52 bottom end elastic connections of vertical bar
Hereinafter, the right end of arc strainer 61 is located at the liquid level for the treatment of fluid or more, when cross bar 51 moves reciprocatingly, arc strainer 61 is therewith
It swings, at this point, moving to liquid level or more on the left end of arc strainer 61, the right end of arc strainer 61 is displaced downwardly to liquid level hereinafter, advantageous
In being filtered collection to the impurity on treatment fluid liquid level, the impurity content in treatment fluid is effectively reduced, the place of exhaust gas is improved
Manage efficiency.
The center position of the arc strainer 61, which offers, collects hole 63；The collection module 6 further includes spherical surface pan
62；The spherical surface pan 62 is mounted on the bottom of arc strainer 61, and the outer diameter of 62 top opening of spherical surface pan, which is greater than, collects the interior of hole 63
Diameter, uniformly distributed second filter hole 621 on spherical surface pan 62, spherical surface pan 62 is for collecting impurity.When work, when 51 left end of cross bar
When vertical bar 52 moves down, 61 left end of arc strainer moves down therewith, and the left end of arc strainer 61 is located at liquid level hereinafter, at this point, arc is filtered
The right end of net 61 is located at liquid level or more, and when the vertical bar 52 of 51 left end of cross bar moves up, the left end of arc strainer 61 moves up therewith, this
When, the right end of arc strainer 61 is located at liquid level hereinafter, when moving back and forth under the action of two vertical bars 52 are in cross bar 51, arc
Shape strainer 61 moves back and forth therewith, and the impurity at 61 top of arc strainer drains into the inside of spherical surface pan 62 by collecting hole 63
It is collected, is conducive to be filtered collection to the impurity in treatment fluid, improve the clean level for the treatment of fluid, improve processing effect
Rate.
Be connected elastic collision column 721 on the upper surface of the arc elastic plate 72；The elastic collision column 721 is for colliding
Removal of impurities module 9 carries out anti-blocking.When work, when arc elastic plate 72 moves down, one end of arc elastic plate 72 and fixture block 43 are clamped,
When arc elastic plate 72 continues to move down, the arc elastic plate 72 of spirogyrate is deformed into concave shaped, when deformation, arc elastic plate 72
Elastic collision column 721 is rotated to close to the side of removal of impurities module 9 on upper surface, and is collided with outer net 92, so that removing
Parasitic mode block 9 is vibrated with collection module 6, is conducive to the third filter hole 93 on outer net 92 and Intranet 91, arc strainer
The first filter hole 611 on 61 and the second filter hole 621 on spherical surface pan 62 are dredged, and filtering hole plug is avoided, thus
Improve dust removal rate.
Specifically used process is as follows:
In use, exhaust gas makes when the exhaust gas generated inside furnace body 1 is discharged into the inside of flexible Exhaust airbag 8 by gas-guide tube 3
The Exhaust airbag 8 that must stretch elongation, the side for pushing connecting plate 81 to pull one end of drawstring 42 to close column 7 is mobile, drawstring 42
The other end pulls the left end of cross bar 51 to rotate down, so that the vertical bar 52 of 51 left end of cross bar is moved down, the removal of impurities of 52 bottom end of vertical bar
Module 9 stirs the treatment fluid inside waste gas treatment tank 4, and removal of impurities module 9 pushes the left end of stirring rod 71 to move down when moving down,
The right end of stirring rod 71 moves up, at this point, the vertical bar 52 of 51 right end of cross bar drives removal of impurities module 9 to move up, is controlled by controller 45
Solenoid valve 44, when solenoid valve 44 is closed, squeezes spring 82 and pushes connection so that solenoid valve 44 is closed once at regular intervals
Plate 81 is extruded the air in flexible 8 inner cavity of Exhaust airbag, and pressure is more than facing for one-way exhaust valve in flexible 8 inner cavity of Exhaust airbag
When dividing value, the exhaust gas inside flexible Exhaust airbag 8, which is discharged into treatment fluid, to be handled, at this point, flexible Exhaust airbag 8 is shunk, the company of drive
Fishplate bar 81 is mobile to the side far from column 7, and the right end of cross bar 51 rotates down under the action of extension spring, keeps cross bar 51 right
The vertical bar 52 at end moves down, and removal of impurities module 9 is driven to push being stirred for stirring rod 71, does swing module 5 with stirring rod 71
Move back and forth, when the vertical bar 52 of 51 left end of cross bar moves down, the left end of the removal of impurities module 9 of 52 bottom end of vertical bar promotion stirring rod 71 to
The arc elastic plate 72 of lower rotation, the connected spirogyrate in 71 left end of stirring rod rotates with it, when arc elastic plate 72 one end with
Fixture block 43 on 4 inner wall of waste gas treatment tank continues to rotate when contacting, and fixture block 43 makes arc elastic plate 72 be deformed into concave shaped, when
When the left end of stirring rod 71 rotates down, the arc elastic plate 72 of the connected concave shaped of 71 right end of stirring rod is rotated up, with card
Block 43 is deformed into spirogyrate after contacting, and drives two arc elastic plates 72 to carry out period changes when stirring rod 71 moves reciprocatingly
Shape, when clean module 9 bottom end push stirring rod 71 left end rotate down when, clean module 9 in 92 bottom end of outer net with stir
The left end for mixing bar 71 is in contact, and outer net 92 is moved up by the reaction force of stirring rod 71, until outer net 92 and Intranet 91 are complete
Full weight is closed, at this point, the removal of impurities module 9 of 51 right end vertical bar of cross bar, 52 bottom moves up, outer net 92 and Intranet 91 are detached from, and slide bar 94 will be outer
Net 92 is connect with Intranet 91, and the cavity volume between outer net 92 and Intranet 91 increases, and is used cooperatively using outer net 92 and Intranet 91
It cleans to the treatment fluid inside waste gas treatment tank 4, when the vertical bar 52 of 51 left end of cross bar moves down, the vertical bar of 51 right end of cross bar
52 move up, and are located at the liquid level for the treatment of fluid with the left end of the arc strainer 61 of two 52 bottom end elastic connections of vertical bar hereinafter, arc is filtered
The right end of net 61 is located at the liquid level for the treatment of fluid or more, and when cross bar 51 moves reciprocatingly, arc strainer 61 is swung therewith, at this point,
Liquid level or more is moved on the left end of arc strainer 61, the right end of arc strainer 61 is displaced downwardly to liquid level hereinafter, being conducive to treatment fluid
Impurity on liquid level is filtered collection, and when the vertical bar 52 of 51 left end of cross bar moves down, 61 left end of arc strainer moves down therewith, arc
The left end of shape strainer 61 is located at liquid level hereinafter, at this point, the right end of arc strainer 61 is located at liquid level or more, when erecting for 51 left end of cross bar
When bar 52 moves up, the left end of arc strainer 61 moves up therewith, at this point, the right end of arc strainer 61 is located at liquid level hereinafter, when two
When vertical bar 52 moves back and forth under the action of cross bar 51, arc strainer 61 moves back and forth therewith, when arc elastic plate
72 when moving down, and one end of arc elastic plate 72 and fixture block 43 are clamped, and the impurity at 61 top of arc strainer is drained by collecting hole 63
The inside of spherical surface pan 62 is collected, and when arc elastic plate 72 continues to move down, the arc elastic plate 72 of spirogyrate is deformed into
Concave shaped, when deformation, elastic collision column 721 is rotated to close to the side of removal of impurities module 9 on 72 upper surface of arc elastic plate, and with
Outer net 92 collides, so that removal of impurities module 9 is vibrated with collection module 6, is conducive to outer net 92 and Intranet 91
On third filter hole 93, the second filter hole 621 in the first filter hole 611 and spherical surface pan 62 on arc strainer 61 carries out
Dredging.
More than, it is illustrated about one embodiment of the present invention, but the present invention is not limited to the above embodiments, not
Various changes are able to carry out in the range of disengaging present subject matter.
Industrial applicibility
According to the present invention, by being sprayed by the heated sodium hydroxide solution by inner cavity of alkaline-resisting hollow float to treatment fluid
In alkaline matter supplemented, guarantee treatment fluid to the processing quality of exhaust gas；Pass through the annular magnetic on the outside of alkaline-resisting hollow float
Iron plate adsorbs the iron filings in treatment fluid, and swings module and with stirring rod the treatment fluid inside waste gas treatment tank is accelerated
Flowing, to reduce the content of iron filings in treatment fluid, effectively improves treatment effeciency；Therefore the converter waste gas treatment process exists
Converter technical field of waste gas treatment is useful.
Claims (6)
1. a kind of converter waste gas treatment process, which is characterized in that the technique includes the following steps:
S1: suitable naoh treatment liquid is added in the waste gas treatment tank into environmentally friendly converter, for handling exhaust gas；
S2: taking the liquid level of waste gas treatment tank of the coiled tube arrangements in S1 hereinafter, and the both ends of coil pipe be connected to gas-guide tube, use
In heat treatment liquid；
S3: took on enough outer walls there are in circular hole and inner cavity be added half volume sodium hydroxide solution alkaline-resisting hollow float throwing
Enter the inside of the waste gas treatment tank in S2, is bonded annular magnetic iron plate, annular magnetic on the spherical surface on alkaline-resisting hollow float on the outside of circular hole
Iron plate is used to remove the iron filings in treatment fluid；
S4: being passed through exhaust gas into S3 in waste gas treatment tank, exhaust gas is driven by flexible Exhaust airbag swings module to treatment fluid progress
Stirring；
Environmentally friendly converter of the S1 into S4 includes furnace body (1), bottom plate (2), waste gas treatment tank (4), swings module (5), is vertical
Column (7), removal of impurities module (9) and flexible Exhaust airbag (8)；Furnace body (1) and waste gas treatment tank are installed at the top of the bottom plate (2)
(4)；It is connected between the top of the furnace body (1) and the bottom of waste gas treatment tank (4) by gas-guide tube (3)；The exhaust-gas treatment
Solenoid valve (44) are equipped at case (4) and the link position of gas-guide tube (3), are installed on controller on the outer wall of waste gas treatment tank (4)
(45), drawstring (42) are installed on by guide roller (41) on the inner wall of waste gas treatment tank (4)；The column (7) is connected in exhaust gas
The center position for the treatment of box (4) bottom is hinged with stirring rod (71) at the top of column (7)；The swing module (5) is arranged in
The internal top of waste gas treatment tank (4), swinging module (5) includes cross bar (51) and vertical bar (52)；The both ends of the cross bar (51)
It is hinged with the top of two vertical bars (52) respectively, the middle part of cross bar (51) and waste gas treatment tank (4) hingedly, one end of cross bar (51)
It is connected with one end of drawstring (42), extension spring is equipped between the other end of cross bar (51) and the inner wall of waste gas treatment tank (4)；Institute
The bottom end for stating vertical bar (52) is equipped with removal of impurities module (9), and is in contact at the top of removal of impurities module (9) and stirring rod (71)；It is described flexible
Exhaust airbag (8) is arranged in the inside of waste gas treatment tank (4), and the one end of flexible Exhaust airbag (8) is connected to solenoid valve (44), and stretch row
The other end of air bag (8) and connecting plate (81) are connected, and are connected between connecting plate (81) and the outer cylinder of column (7) and squeeze spring
(82), uniformly distributed multiple gas vents on flexible Exhaust airbag (8), and one-way exhaust valve is equipped on multiple gas vents；The connecting plate
(81) other end on top and drawstring (42) is connected；The one-way exhaust valve is used for the gas that flexible Exhaust airbag (8) is internal
Discharge；The controller (45) is for controlling solenoid valve (44) opening and closing；The stirring rod (71) is for stirring at exhaust gas
Manage case (4) internal treatment fluid.
2. a kind of converter waste gas treatment process according to claim 1, it is characterised in that: the waste gas treatment tank (4)
The middle and lower part of inner wall is set there are two fixture block (43)；The both ends of the stirring rod (71) are connected arc elastic plate (72)；The arc
The position of shape elastic plate (72) is corresponding with the position of fixture block (43), and arc elastic plate (72) is for accelerating waste gas treatment tank (4)
Inter-process liquid stream is dynamic.
3. a kind of converter waste gas treatment process according to claim 1, it is characterised in that: removal of impurities module (9) packet
Include Intranet (91), outer net (92) and slide bar (94)；Bottom end and vertical bar (52) on the inside of the Intranet (91) are connected, Intranet (91)
Inside is set there are two slide bar (94)；The outer net (92) is arranged in the outside of Intranet (91), the bottom end and two on the inside of outer net (92)
The bottom end of a slide bar (94) is connected；Multiple third filter hole are equipped on the bottom plate (2) of the Intranet (91) and outer net (92)
(93), Intranet (91) is used to clean with outer net (92)；The slide bar (94) is for Intranet (91) to be connect with outer net (92).
4. a kind of converter waste gas treatment process according to claim 1, it is characterised in that: the waste gas treatment tank (4)
Inside be equipped with collection module (6)；The collection module (6) includes arc strainer (61)；The both ends of the arc strainer (61)
Respectively with the middle and lower part elastic connection of two vertical bars (52), arc strainer (61) is equipped with multiple first filter hole (611), arc
Strainer (61) is used for the contaminant filter in treatment fluid.
5. a kind of converter waste gas treatment process according to claim 4, it is characterised in that: the arc strainer (61)
Center position, which offers, collects hole (63)；The collection module (6) further includes spherical surface pan (62)；The spherical surface pan (62)
It is mounted on the bottom of arc strainer (61), the outer diameter of spherical surface pan (62) top opening is greater than the internal diameter for collecting hole (63), spherical surface pan
(62) on uniformly distributed second filter hole (621), spherical surface pan (62) is for collecting impurity.
6. a kind of converter waste gas treatment process according to claim 2, it is characterised in that: the arc elastic plate (72)
Upper surface on be connected elastic collision column (721)；The elastic collision column (721) is anti-blocking for colliding removal of impurities module (9) progress.
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| CN201811438724.9A CN109364709B (en) | 2018-11-29 | 2018-11-29 | Process for treating waste gas of steel-making furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471101A (en) * | 2022-03-15 | 2022-05-13 | 金华职业技术学院 | Exhaust gas purification system |
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| CN109364709B (en) | 2021-09-21 |
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