CN107234121A - A kind of cupola furnace casting dust treatment technology - Google Patents
A kind of cupola furnace casting dust treatment technology Download PDFInfo
- Publication number
- CN107234121A CN107234121A CN201610209488.8A CN201610209488A CN107234121A CN 107234121 A CN107234121 A CN 107234121A CN 201610209488 A CN201610209488 A CN 201610209488A CN 107234121 A CN107234121 A CN 107234121A
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- dust
- cupola
- furnace
- conveying worm
- furnace cupola
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A kind of cupola furnace casting dust treatment technology of the present invention, the position of a large amount of dust is also easy to produce in foundry's sand preparing machine system, furnace cupola, nonaqueous dust cleaner is set, by dust collection in deduster dust storage container.Reliable, no dust pollution, Melting Quality is good, energy-saving and emission-reduction, and consumption reduction, cost is low, and rate of return on investment is high, comprehensive utilization of resources, environmental protection.
Description
Technical field can be widely applied to cupola furnace casting the present invention relates to a kind of cupola furnace casting dust treatment technology
In industry.
The existing furnace cupola of background technology, working environment is severe, the substantial amounts of Foundry of generation, including cupola furnace dust,
Clay-bonded sand handles dust, stirs up a cloud of dust, and seriously endangers health.These dust are often thrown away as discarded object, both pollute ring
Border, fails effectively utilization again.
The content of the invention is it is an object of the invention to provide a kind of reliable, no dust pollution, Melting Quality is good, save
Emission reduction, consumption reduction, cost is low, rate of return on investment is high, comprehensive utilization of resources, environmental protection a kind of cupola furnace casting dust processing skill
Art.
In order to achieve the above object, a kind of cupola furnace casting dust treatment technology of the invention, is carried out in the steps below：
(1) Foundry is collected
(1.1) position of a large amount of dust is produced in foundry, nonaqueous dust cleaner is set, dust collection is stored up in deduster
In dirt tank,
(1.2) by the dust in each deduster dust storage container, the storage powder of dust blowback device is sent into by negative pressure transportation, concentration
In tank；
(2) dust is blown into furnace cupola bed coke by setting flow
(2.1) dust in the storage powder tank of foregoing dust blowback device, is connected by storing up powder tank lower end with conveying worm
The passage connect enters conveying worm,
(2.2) rotating speed of the frequency control motor of driving conveying worm is set up, the powder sending quantity of conveying worm is reached
The flow of setting：One ton of 25~75 kilograms of iron liquid powder sending quantity is often melted,
(2.3) discharging opening of conveying worm is connected with the ajutage of furnace cupola, and dust is admitted to the ajutage of furnace cupola
Road,
(2.4) enter the dust of air supply duct, dispelled, be suspended in air-supply by the moving air in pipeline, in two-phase flow
State, enters in furnace cupola bed coke through each air port；
(3) clinker is manufactured
(3.1) adjustment adds the lime stone amount of furnace cupola, is reacted with the silica mineral composition in dust, forms certain
The slag of acidity,
(3.2) flow out the slag of furnace cupola, shunted through dregs-separating device and iron liquid, formed can comprehensive utilization of resources clinker.
A kind of cupola furnace casting dust treatment technology is invented, is also easy to produce in foundry's sand preparing machine system, furnace cupola
The position of a large amount of dust, sets nonaqueous dust cleaner, by dust collection in deduster dust storage container.
A kind of cupola furnace casting dust treatment technology of the present invention, sets up turn of the frequency control motor of driving conveying worm
Speed, makes the powder sending quantity of conveying worm reach the flow of setting, the effect for can produce and improve iron liquid tapping temperature, reducing burnt consumption
Really.
A kind of cupola furnace casting dust treatment technology of the present invention, storage powder tank lower end outlet is communicated with spiral pressure fan, Chu Fen
Powder in tank is by spiral pressure fan by setting flow feeding furnace cupola, and air supply duct is in suspended state, is entered with the wind through air port
In bed coke.
A kind of cupola furnace casting dust treatment technology of the present invention, flows out the slag of furnace cupola, is shunted through dregs-separating device and iron liquid,
Into slag recycling, commercialization handling process link, energy-saving and emission-reduction, comprehensive utilization of resources are realized.
A kind of cupola furnace casting dust treatment technology of the present invention, is added in Foundry, dust in furnace cupola air-supply
The combustible components such as coke blacking, coal dust increase furnace heat, promote CO burning in furnace gas, improve furnace temperature and melting matter
Amount, saves coke；Foundry is changed into clinker, and clinker can be used as insulation system as cement raw material after clinker aquation or cotton processed
Product raw material, realize the comprehensive utilization of resources of furnace cupola waste, it is to avoid dust throws aside the pollution to environment.
A kind of cupola furnace casting dust treatment technology of the present invention, sprays into Foundry, Cupola in cupola tuyere
Fusion process has significant invigoration effect and molten iron, flue gas desulfurization effect.The fuel powder of penetrating, the looping combustion for promoting CO is anti-
Should, furnace gas ratio of combustion is improved, so that molten iron temperature and melting rate are improved, the burnt consumption of reduction；It is suspended in the desulfurizing agent powder in furnace gas
Contacted on a large scale, for a long time with furnace gas, molten iron drop, it can be given full play to furnace gas and the desulfidation of molten iron, intensified smelting mistake
Journey.
CO in a kind of cupola furnace casting dust treatment technology of the present invention, the coke powder and furnace gas of penetrating by the mouth that dusts with being entered
Air and coke powder carrier gas fusion zone burn, improve the temperature at this, improve air velocity, enhance the heat in stove
Exchange.Meanwhile, Jiao's consumption declines, amount of lime is accordingly reduced；Melting rate is improved, and reduces the radiation loss of fusing ton iron, has
Burnt, the energy-saving and emission-reduction beneficial to section, consumption reduction, cost is low.
A kind of cupola furnace casting dust treatment technology of the present invention, is comprehensively utilized clinker discarded in the past, waste profit
With, turn waste into wealth, meanwhile, the heat energy of the high temperature furnace slag of fusing can also be recycled utilization, i.e. high temperature furnace slag UTILIZATION OF VESIDUAL HEAT IN, realize
The recycling treatment of discarded object and the recycling of commercialization.
A kind of cupola furnace casting dust treatment technology of the present invention, production rock wool is used as by the use of the high-temperature slag that furnace cupola is discharged
Raw material, using direct cotton technique processed of coming out of the stove, be not that individually rock wool raw material is heated to melt, take full advantage of what furnace cupola was discharged
Waste residue and its heat energy, eliminate the raw material and melting process in original cotton technical process processed, eliminate purchase clinker and traffic expense
With so as to reach comprehensive utilization of waste materials, save energy consumption, reduce the purpose of cost, rate of return on investment is high.
A kind of cupola furnace casting dust treatment technology of the present invention, it is reliable, simple to operate, it can not be used using furnace cupola
Broken Jiao, no dust pollution, the investment payback time is short, and rate of return on investment is high.
A kind of cupola furnace casting dust treatment technology of the present invention, Foundry is changed into clinker, clinker can as cement raw material,
After clinker aquation or cotton processed it can realize comprehensive utilization of resources as heat insulating products raw material, it is to avoid dust throws aside the dirt to environment
Dye, has reached the purpose of environmental protection.
A kind of cupola furnace casting dust treatment technology of the present invention, is proven, and it is reliable effectively, technological process
Short, reduced investment, the amount of dusting is controllable, saves reducing agent, free from environmental pollution, adapts to various production scales.
In summary, a kind of cupola furnace casting dust treatment technology of the invention, reliable, no dust pollution, melting matter
Measure, energy-saving and emission-reduction, lower consumption, cost is low, rate of return on investment is high, comprehensive utilization of resources, environmental protection.
Embodiment
Embodiment 1：
A kind of cupola furnace casting dust treatment technology of the present invention, is carried out in the steps below：
(1) Foundry is collected
(1.1) position of a large amount of dust is produced in foundry, nonaqueous dust cleaner is set, dust collection is stored up in deduster
In dirt tank, the dust in each deduster dust storage container is sent into the storage powder of dust blowback device by negative pressure transportation, concentration by (1.2)
In tank；
(2) dust is blown into furnace cupola bed coke by setting flow
(2.1) dust in the storage powder tank of foregoing dust blowback device, is connected by storing up powder tank lower end with conveying worm
The passage connect enters conveying worm,
(2.2) rotating speed of the frequency control motor of driving conveying worm is set up, the powder sending quantity of conveying worm is reached
The flow of setting：One ton of 25 kilograms of iron liquid powder sending quantity is often melted,
(2.3) discharging opening of conveying worm is connected with the ajutage of furnace cupola, and dust is admitted to the ajutage of furnace cupola
Road,
(2.4) enter the dust of air supply duct, dispelled, be suspended in air-supply by the moving air in pipeline, in two-phase flow
State, enters in furnace cupola bed coke through each air port；
(3) clinker is manufactured
(3.1) adjustment adds the lime stone amount of furnace cupola, is reacted with the silica mineral composition in dust, forms certain
The slag of acidity,
(3.2) flow out the slag of furnace cupola, shunted through dregs-separating device and iron liquid, formed can comprehensive utilization of resources clinker.
A kind of cupola furnace casting dust treatment technology of the present invention, is easily produced in foundry's sand preparing machine system, furnace cupola
The position of raw a large amount of dust, sets nonaqueous dust cleaner, by dust collection in deduster dust storage container.
Embodiment 2：
A kind of cupola furnace casting dust treatment technology of the present invention, is carried out in the steps below：
(1) Foundry is collected
(1.1) position of a large amount of dust is produced in foundry, nonaqueous dust cleaner is set, dust collection is stored up in deduster
In dirt tank,
(1.2) by the dust in each deduster dust storage container, the storage powder of dust blowback device is sent into by negative pressure transportation, concentration
In tank；
(2) dust is blown into furnace cupola bed coke by setting flow
(2.1) dust in the storage powder tank of foregoing dust blowback device, is connected by storing up powder tank lower end with conveying worm
The passage connect enters conveying worm,
(2.2) rotating speed of the frequency control motor of driving conveying worm is set up, the powder sending quantity of conveying worm is reached
The flow of setting：One ton of 75 kilograms of iron liquid powder sending quantity is often melted,
(2.3) discharging opening of conveying worm is connected with the ajutage of furnace cupola, and dust is admitted to the ajutage of furnace cupola
Road,
(2.4) enter the dust of air supply duct, dispelled, be suspended in air-supply by the moving air in pipeline, in two-phase flow
State, enters in furnace cupola bed coke through each air port；
(3) clinker is manufactured
(3.1) adjustment adds the lime stone amount of furnace cupola, is reacted with the silica mineral composition in dust, forms certain
The slag of acidity,
(3.2) flow out the slag of furnace cupola, shunted through dregs-separating device and iron liquid, formed can comprehensive utilization of resources clinker.
A kind of cupola furnace casting dust treatment technology of the present invention, is easily produced in foundry's sand preparing machine system, furnace cupola
The position of raw a large amount of dust, sets nonaqueous dust cleaner, by dust collection in deduster dust storage container.
Embodiment 3：
A kind of cupola furnace casting dust treatment technology of the present invention, is carried out in the steps below：
(1) Foundry is collected
(1.1) position of a large amount of dust is produced in foundry, nonaqueous dust cleaner is set, dust collection is stored up in deduster
In dirt tank,
(1.2) by the dust in each deduster dust storage container, the storage powder of dust blowback device is sent into by negative pressure transportation, concentration
In tank；
(2) dust is blown into furnace cupola bed coke by setting flow
(2.1) dust in the storage powder tank of foregoing dust blowback device, is connected by storing up powder tank lower end with conveying worm
The passage connect enters conveying worm,
(2.2) rotating speed of the frequency control motor of driving conveying worm is set up, the powder sending quantity of conveying worm is reached
The flow of setting：One ton of 50 kilograms of iron liquid powder sending quantity is often melted,
(2.3) discharging opening of conveying worm is connected with the ajutage of furnace cupola, and dust is admitted to the ajutage of furnace cupola
Road,
(2.4) enter the dust of air supply duct, dispelled, be suspended in air-supply by the moving air in pipeline, in two-phase flow
State, enters in furnace cupola bed coke through each air port；
(3) clinker is manufactured
(3.1) adjustment adds the lime stone amount of furnace cupola, is reacted with the silica mineral composition in dust, forms certain
The slag of acidity,
(3.2) flow out the slag of furnace cupola, shunted through dregs-separating device and iron liquid, formed can comprehensive utilization of resources clinker.
A kind of cupola furnace casting dust treatment technology of the present invention, is easily produced in foundry's sand preparing machine system, furnace cupola
The position of raw a large amount of dust, sets nonaqueous dust cleaner, by dust collection in deduster dust storage container.
Claims (1)
1. a kind of cupola furnace casting dust treatment technology, it is characterised in that carry out in the steps below：(1) Foundry is collected
(1.1) position of a large amount of dust is produced in foundry, nonaqueous dust cleaner is set, by dust collection in deduster dust storage container,
(1.2) by the dust in each deduster dust storage container, by negative pressure transportation, concentrate and send into the storage powder tank of dust blowback device；(2)
Dust is blown into furnace cupola bed coke to the dust in the storage powder tank of (2.1) foregoing dust blowback device by setting flow, passed through
The passage that storage powder tank lower end is connected with conveying worm enters conveying worm, and (2.2) set up the frequency conversion of driving conveying worm
The rotating speed of buncher, makes the powder sending quantity of conveying worm reach the flow of setting：Often melt one ton of iron liquid powder sending quantity 25~75
Kilogram, the discharging opening of (2.3) conveying worm is connected with the ajutage of furnace cupola, and dust is admitted to the air supply duct of furnace cupola,
(2.4) enter the dust of air supply duct, dispelled, be suspended in air-supply by the moving air in pipeline, in two-phase stream mode, through each
Individual air port enters in furnace cupola bed coke；(3) clinker manufacture (3.1) adjustment adds the lime stone amount of furnace cupola, with two in dust
Silica mineralogical composition is reacted, and forms the slag of certain acidity, and (3.2) flow out the slag of furnace cupola, through dregs-separating device and iron liquid point
Stream, formed can comprehensive utilization of resources clinker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610209488.8A CN107234121A (en) | 2016-03-29 | 2016-03-29 | A kind of cupola furnace casting dust treatment technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610209488.8A CN107234121A (en) | 2016-03-29 | 2016-03-29 | A kind of cupola furnace casting dust treatment technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107234121A true CN107234121A (en) | 2017-10-10 |
Family
ID=59983696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610209488.8A Pending CN107234121A (en) | 2016-03-29 | 2016-03-29 | A kind of cupola furnace casting dust treatment technology |
Country Status (1)
| Country | Link |
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| CN (1) | CN107234121A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108554048A (en) * | 2018-01-08 | 2018-09-21 | 河北蓝纯环境科技有限公司 | The dry process technique and dry process equipment of exhaust gas containing sticky dust |
-
2016
- 2016-03-29 CN CN201610209488.8A patent/CN107234121A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108554048A (en) * | 2018-01-08 | 2018-09-21 | 河北蓝纯环境科技有限公司 | The dry process technique and dry process equipment of exhaust gas containing sticky dust |
| CN108554048B (en) * | 2018-01-08 | 2020-12-04 | 河北蓝纯环境科技有限公司 | Dry treatment process and dry treatment equipment for waste gas containing sticky dust |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171010 |
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| WD01 | Invention patent application deemed withdrawn after publication |