CN108262328A - A kind of calcium carbide precipitator dust processing system - Google Patents
A kind of calcium carbide precipitator dust processing system Download PDFInfo
- Publication number
- CN108262328A CN108262328A CN201611270260.6A CN201611270260A CN108262328A CN 108262328 A CN108262328 A CN 108262328A CN 201611270260 A CN201611270260 A CN 201611270260A CN 108262328 A CN108262328 A CN 108262328A
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- China
- Prior art keywords
- calcium carbide
- processing system
- settler
- conveyer
- precipitator dust
- Prior art date
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- 239000000428 dust Substances 0.000 title claims abstract description 82
- 239000005997 Calcium carbide Substances 0.000 title claims abstract description 64
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 239000012716 precipitator Substances 0.000 title claims abstract description 44
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000000446 fuel Substances 0.000 claims abstract description 41
- 238000003860 storage Methods 0.000 claims abstract description 33
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 22
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 241000283118 Halichoerus grypus Species 0.000 claims abstract description 4
- 239000002893 slag Substances 0.000 claims description 52
- 238000001035 drying Methods 0.000 claims description 22
- 239000000843 powder Substances 0.000 claims description 17
- 239000004568 cement Substances 0.000 claims description 14
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 12
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 12
- 238000000605 extraction Methods 0.000 claims description 10
- 239000010802 sludge Substances 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000032258 transport Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 230000009049 secondary transport Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 13
- 239000007789 gas Substances 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 7
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 6
- 238000006477 desulfuration reaction Methods 0.000 description 6
- 230000023556 desulfurization Effects 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 239000008187 granular material Substances 0.000 description 5
- 238000003672 processing method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 239000002910 solid waste Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 241000283216 Phocidae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/48—Solid fuels essentially based on materials of non-mineral origin on industrial residues and waste materials
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to technical field of calcium carbide production more particularly to a kind of calcium carbide precipitator dust processing systems, and including transfer device, conveyer and fuel storing storage, the dedusting ash of the transfer device delivery is delivered to the fuel storing storage by the conveyer；The transfer device includes transport vehicle, the transport vehicle is equipped with dedusting ash cellar and the first nitrogen air accumulator, the first nitrogen air accumulator connects the dedusting ash cellar, the top of the dedusting ash cellar is equipped with plus grey seal, the bottom of the dedusting ash cellar is equipped with cinder-discharging port, and unloading valve is equipped at the cinder-discharging port；The conveyer is equipped with ash inlet, and the ash inlet is tightly connected with the cinder-discharging port.The present invention is transported calcium carbide precipitator dust to fuel storing storage by special transfer device, the problem of can avoiding the problem that catching fire in environmental pollution and transportational process during Secondary Transport, and calcium carbide precipitator dust is utilized as fuel recovery, can be achieved energy-saving and emission reduction purposes.
Description
Technical field
The present invention relates to technical field of calcium carbide production more particularly to a kind of calcium carbide precipitator dust processing systems.
Background technology
Calcium carbide production belongs to highly energy-consuming, high pollution chemical industry.A large amount of dust and CO are carried in calcium carbide production tail gas.Calcium carbide removes
Dust is the imperceptible particle suspensions that calcium carbide stove exhaust is discharged after purification dust removal system in calcium carbide production process.Mainly
Ingredient is carbon (20~25%) and calcium oxide (50~60%).The particle of calcium carbide precipitator dust is very tiny, has very strong mobility,
It is not easy stockpiling and roping, is also easy to produce dust pollution environment, and since temperature is high, C content is higher, water content is very low, in dust
Easily spontaneous combustion after air is met with Mars, there are security risk, it is the one big of current calcium carbide production industry that comprehensive treatment is more difficult
Problem.Calcium carbide precipitator dust dispersion degree is very high, granularity very little, and particle diameter is micron order, mostly at 200 μm hereinafter, the ratio table of particle
Area is big, and for microstructure than more loose, unit weight is light (about 0.3t/m3).Calcium carbide production is currently the basic work of China's coal chemical industry
Industry accounts for more than the 60% of Gross World Product, produces the dedusting ash that calcium carbide per ton will generate 80~90kg, therefore, calcium carbide precipitator dust
Processing and recycling by be the industry cardinal task, this is also a great problem of industry, while also has to comply with ring
The requirement of guarantor's policy.
The processing method of calcium carbide precipitator dust is as follows at present：1) roping fill --- this be most of enterprise way and
Least thorough processing method, nuisance therein is not handled thoroughly, and secondary pollution is also easy to produce in roping, due to electricity
Stone dedusting ash carries Mars, easily catches fire after meeting air, there are great security risks；2) after humidification stirring at roping landfill
Reason --- Some Enterprises use this scheme at present, but there are calcium carbide ingredient in calcium carbide precipitator dust, acetylene gas is generated after rainwater,
Acetylene gas is flammable explosive gas, there is very big security risk, and operating cost is higher in operation operation；3) it is pneumatic defeated
Send (N2Do carrier) burning processing --- only only a few enterprise is handled using this scheme at present, the construction investment of this scheme greatly,
Operating cost is higher, easily causes secondary pollution, and enterprise is difficult to ensure that bringing normally into operation.As it can be seen that Yi Shang processing method seriously polluted
Environment, and waste that resource, there are security risks again.
Invention content
(1) technical problems to be solved
The present invention provides a kind of calcium carbide dedusting except ash treatment system, tight in existing calcium carbide precipitator dust processing procedure for solving
Heavily contaminated environment, waste of resource and there are problems that security risk.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of calcium carbide precipitator dust processing system, including transfer device, defeated
Machine and fuel storing storage are sent, the dedusting ash of the transfer device delivery is delivered to the fuel storing storage by the conveyer；
The transfer device includes transport vehicle, and the transport vehicle is equipped with dedusting ash cellar and the first nitrogen air accumulator, first nitrogen
Air accumulator connects the dedusting ash cellar, and the top of the dedusting ash cellar is equipped with plus grey seal, and the bottom of the dedusting ash cellar is set
There is cinder-discharging port, unloading valve is equipped at the cinder-discharging port；The conveyer is equipped with ash inlet, the ash inlet and the cinder-discharging port
It is tightly connected.
Wherein, the calcium carbide precipitator dust processing system further includes the second nitrogen air accumulator, the conveyer and the fuel
Storage warehouse connects the second nitrogen air accumulator respectively.
Wherein, the side wall of the dedusting ash cellar is equipped with vibrator.
Wherein, the fuel storing storage connection carbide slag drying system or cement slurry grinding system.
Wherein, the carbide slag drying system includes being sequentially connected settler, dust-extraction unit, chain-linked conveyer and calcium carbide
Slag dry powder library, the bottom of the settler are connected with impurity storehouse, and the settler is equipped with electricity at the position of its air inlet
Rock ballast entrance.
Wherein, the calcium carbide precipitator dust processing system further includes hot-blast stove and air intake blower fan, and the fuel storing storage, institute
Hot-blast stove, the air intake blower fan, the settler is stated to be sequentially connected.
Wherein, the settler is V-type settler, and the V-type settler includes the V-shaped first branch and second
Road, the outer end connection fuel storing storage of the first branch, the first branch are equipped with carbide slag entrance, the second branch
Outer end connection dust-extraction unit,
Wherein, the dust-extraction unit includes sequentially connected cyclone dust collectors and bag filter, the cyclone dust collectors
The settler is connected, the cyclone dust collectors and the bag filter are connect with the chain-linked conveyer.
Wherein, the cyclone dust collectors include sequentially connected one cyclonic deduster and second cyclone dust extractor, described
One cyclonic deduster connects the settler, and the second cyclone dust extractor connects the bag filter, the level-one rotation
Wind deduster and second cyclone dust extractor are connect with the chain-linked conveyer.
Wherein, the bag filter is equipped with evacuation port, and the evacuation port connects exhaust fan, the exhaust fan connection
Empty flue.
(3) advantageous effect
Calcium carbide precipitator dust processing system provided by the invention, has the characteristics that compared with the prior art：
1st, calcium carbide precipitator dust processing system of the invention, is transported calcium carbide precipitator dust to fuel by special transfer device
Storage warehouse can avoid the Ignition Phenomena in the problem of environmental pollution and transportational process during Secondary Transport, and calcium carbide removes
Dust is utilized as fuel recovery, can be achieved energy-saving and emission reduction purposes.
2nd, calcium carbide precipitator dust processing system of the invention, using calcium carbide precipitator dust as supply carbide slag drying system or cement
The fuel of the hot-blast stove of raw material grinding system hot wind uses, and reaches the recycling of solid waste, the purpose of energy-saving and emission-reduction；And with it is pneumatic
Burn processing method ratio is conveyed, whole transportational process investment reductions reduce operating cost, are solid waste comprehensive utilization of resources, section
The idealized system of energy emission reduction.
Description of the drawings
Fig. 1 is the composition schematic diagram of calcium carbide precipitator dust processing system provided by the invention；
Fig. 2 is the structure chart of transfer device provided by the invention；
Fig. 3 is the composition schematic diagram of carbide slag drying system provided by the invention；
In figure, 100：Transfer device；101：Transport vehicle；102：Dedusting ash cellar；103：First nitrogen air accumulator；104：Add ash
Seal；105：Cinder-discharging port；106：Unloading valve；107：Vibrator；200：Carbide slag drying system；201：Settler；202：It removes
Dirt device；2021：Cyclone dust collectors；2021-1：One cyclonic deduster；2021-2：Second cyclone dust extractor；2022：Cloth bag
Deduster；203：Chain-linked conveyer；204：Dry acetylene sludge powder library；205：Impurity storehouse；206：Carbide slag entrance；1：Conveyer；2：
Fuel storing storage；3：Second nitrogen air accumulator；4：Hot-blast stove；5：Air intake blower fan；6：Exhaust fan；7：Empty flue.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In attached drawing
Give the better embodiment of the present invention.It these are only the preferred embodiment of the present invention, not thereby limit the special of the present invention
Sharp range, every equivalent structure or equivalent flow shift made using description of the invention and accompanying drawing content directly or
It connects and is used in other related technical areas, be included within the scope of the present invention.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood meaning of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " including one or more
The arbitrary and all combination of relevant Listed Items.
The present invention provides a kind of calcium carbide precipitator dust processing system, serious in existing calcium carbide precipitator dust processing procedure for solving
It pollutes environment, waste of resource and there are problems that security risk.
As shown in Figure 1, 2, a kind of calcium carbide precipitator dust processing system is provided in the embodiment of the present invention, including transfer device 100,
Conveyer 1 and fuel storing storage 2, wherein, the calcium carbide precipitator dust that transfer device 100 delivers is delivered to fuel storing by conveyer 1
Storage 2；Transfer device 100 includes transport vehicle 101, and transport vehicle 101 is equipped with 102 and first nitrogen air accumulator 103 of dedusting ash cellar,
First nitrogen air accumulator 103 connection dedusting ash cellar 102, the top of dedusting ash cellar 102 is equipped with plus grey seal 104, dedusting ash cellar
102 bottom is equipped with cinder-discharging port 105, and unloading valve 106 is equipped at cinder-discharging port 105；Conveyer 1 be equipped with ash inlet, ash inlet with
Cinder-discharging port 105 is tightly connected.
The calcium carbide precipitator dust processing system of the present invention, from the lower part of furnace of calcium carbide purification dust removal system ash-storing bin to dedusting ash cellar
After filling it up with dedusting ash in 102, the top for being transported to conveyer 1 is sealed by transport vehicle 101, then combustion is delivered to by conveyer 1
Expect in storage warehouse 2, the cinder-discharging port 105 of transport vehicle 101 and the ash inlet of conveyer 1 are tightly connected, calcium carbide precipitator dust transport to
In fuel storing storage 2.Due to carrying Mars and C ingredients in calcium carbide precipitator dust, easily spontaneous combustion after air is met.Therefore in transport vehicle
First nitrogen air accumulator 103 is installed on 101, when dust surface catches fire in dedusting ash cellar 102, with nitrogen air and dust every
It leaves, prevents Ignition Phenomena, the first nitrogen air accumulator 103 is used as safe emergency set.Transfer device in the present invention can shut out
Reentrainment of dust during exhausted calcium carbide precipitator dust is had bad luck adds in the conveying of fuel storing storage 2 with environment, effective reduction dry ash is polluted
Dust causes environment secondary pollution problem during machine 1.
In the present embodiment, calcium carbide precipitator dust processing system further includes the second nitrogen air accumulator 3, conveyer 1 and fuel storage
Storehouse 2 is connect respectively with the second nitrogen air accumulator 3.Conveyer 1, fuel storing storage 2 are equipped with the second nitrogen air accumulator 3, conduct
Emergency protecting equipment, the second nitrogen air accumulator 3 is opened if any Ignition Phenomena occurs immediately, and air and dust are isolated with nitrogen
It opens, prevents Ignition Phenomena.The environmental pollution during Secondary Transport when fuel storing storage 2 is added in this invention addresses dedusting ash
Ignition Phenomena in problem and transportational process, and store into fuel storing storage 2, subsequently to be used as fuel, conducive to electricity
The recycling of stone dedusting ash, has achieved the purpose that energy-saving and emission-reduction.With whole transportational processes pneumatic conveying (N2Do carrier) combustion
Burning processing method, investment, to reduce operating cost low compared with having saved, and is solid waste comprehensive utilization of resources, the ideal of energy-saving and emission-reduction
System.
In the present embodiment, phenomena such as blocking in dedusting dust 102 in order to prevent, set on the side wall of dedusting ash cellar 102
There is vibrator 107.Generally, vibrator for prevent and exclude each plant feed bin due to the interior friction of material, deliquescence, electrification, into
Phenomena such as blocking caused by dividing the reasons such as segregation, tower arch；Vibrator is also referred to as anti-locking device.Since vibrator has above spy
Point is widely used in all trades and professions such as mine, metallurgy, chemical industry, building materials, machinery.
Carbide slag is the industrial residue that acetylene gas factory generates in coal chemical industry acetylene method production Corvic, is
The quality raw materials that fume desulfurizing agent does in power plant and cement plant is done.When carbide slag is used for manufacture of cement, due to dry acetylene sludge
Still containing 4~10% moisture, first, causing the carbide slag blanking in dispensing library not smooth, plugging phenomenon often occurs, causes to give birth to
Production can not continuous operation, second is that since the amplitude of variation of water content in carbide slag is larger, causes raw meal proportioning inaccurate, cause water
Mud clinker quality is unstable, and then affects the product quality of finished cement, is caused greatly in market competition to enterprise
Negative effect.During for means of flue gas desulfurization of power plant agent, since dry acetylene sludge contains 4~10% moisture, first, transporting
The discharge port of transportation tank car is blocked in the process, second is that blocking the carbide slag delivery pipe of power plant, increase is used to the carbide slag of power plant
Difficulty.Therefore cement is made and as usually being dried during means of flue gas desulfurization of power plant agent to carbide slag using carbide slag, at present
Domestic common carbide slag drying system is conveyed into for carbide slag gas in drying system, and drying system heat source comes from and is separately provided
Hot-blast stove 121, the fuel of fuel storing storage 2 enters the hot wind that the igniting of hot-blast stove 121 provides.Carbide slag water content after drying
≤ 1%, meet the requirement of cement producting material and power plant desulfurization agent.
In the present embodiment, in order to which the dedusting ash in fuel storing storage 2 is made full use of as fuel, fuel storing storage 2 connects
Carbide slag drying system 200 or cement slurry grinding system are connect, so as in carbide slag drying system 200 or cement slurry grinding system
Effective source as thermal energy.
The present invention is using furnace of calcium carbide calcium carbide precipitator dust as carbide slag drying system or cement slurry grinding system hot-blast stove
Fuel uses, and calcium carbide is produced the calcareous ingredient in dedusting ash to be used as means of flue gas desulfurization of power plant agent, reaches solid waste recycling profit
With the purpose of energy-saving and emission-reduction.The dedusting ash transfer device 100 of furnace of calcium carbide, it is transported to carbide slag drying system 200 or cement
Raw material grinding system is added to through conveyer 1 in fuel storing storage 2, and proportioning after-combustion is carried out by a certain percentage with fuel carbon, as
The thermal energy of carbide slag drying.The main ingredient of calcium carbide precipitator dust be C, CaO (C ＞ 20%, CaO ＞ 50%), calorific value 2500Kcal/
Kg or so, the thermal energy dried after C rich as carbide slag through hot-blast stove, the mixing of burn remaining CaO and carbide slag
Object is the high-quality desulfurizing agent of manufacture of cement quality raw materials and power plant desulfurization.
In the present embodiment, as shown in figure 3, carbide slag drying system 200 includes sequentially connected settler 201, dedusting fills
Put 202, chain-linked conveyer 203 and dry acetylene sludge powder library 204；The bottom of settler 201 is connected with impurity storehouse 205, settler
Carbide slag entrance 206 is equipped at the position of 201 its close air inlet.Carbide slag fine powder warp after being dried in settler 201
Dust-extraction unit 202 is collected, and the fine powder of collection is sent into dry acetylene sludge powder library 204 through chain-linked conveyer 203 and is stored.Electricity
The impurity sedimentations such as rock ballast coarse granule and ferrosilicon enter back into impurity storehouse 205 and are collected outer row to 201 bottom of settler.Specifically,
Settler 201 passes sequentially through screw conveyor, bucket elevator connection impurity storehouse 205, that is, is settled down to the electricity of 201 bottom of settler
The impurity such as rock ballast coarse granule and ferrosilicon are sent into impurity storehouse 205 through screw conveyor, bucket elevator and collect outer arrange.
In the present embodiment, in order to which hot wind is passed through in carbide slag drying system, fuel storing storage 2 passes sequentially through hot-blast stove 4
It is connect with air intake blower fan 5 with settler 201, fuel enters in hot-blast stove 4 and burns in fuel storing storage 2, in air intake blower fan 5
Under the action of, the hot wind in hot-blast stove 4 is sent into the settler 201 of carbide slag drying system 200, so as to be dried as carbide slag
The heat energy source of dry systems.
In the present embodiment, in order to efficiently separate carbide slag fine powder and air-flow and collect carbide slag fine powder, dust-extraction unit 202
Including sequentially connected cyclone dust collectors 2021 and bag filter 2022, cyclone dust collectors 2021 connect settler 201, whirlwind
Deduster 2021 and bag filter 2022 are connect with chain-linked conveyer 203, and the carbide slag after being dried in settler 201 is thin
Powder is collected through cyclone dust collectors 2021 and bag filter 2022, and is sent into the fine powder of collection through chain-linked conveyer 203
It is stored in dry acetylene sludge powder library 204.
In the present embodiment, cyclone dust collectors 2021 include sequentially connected one cyclonic deduster 2021-1 and two level whirlwind
Deduster 2021-2, one cyclonic deduster 2021-1 connection the second branches, second cyclone dust extractor 2021-2 connection cloth bags remove
Dirt device 2022, one cyclonic deduster 2021-1 and second cyclone dust extractor 2021-2 are connect with chain-linked conveyer 203.
In the present embodiment, in order to effectively realize the separation of the impurity such as carbide slag coarse granule and ferrosilicon and carbide slag fine powder,
Settler 201 is V-type settler, and V-type settler includes the first branch and the second branch of V-shaped setting, the first branch outside
End connection fuel storing storage 2, the first branch are equipped with carbide slag entrance 206, the outer end connection dust-extraction unit 202 of the second branch.
Wherein, the impurity such as carbide slag coarse granule and ferrosilicon fall into the intersection i.e. bottom of settler 201 of the first branch and the second branch；
And carbide slag fine powder is entered in dust-extraction unit 202 by the second branch with air-flow and is collected.
In the present embodiment, bag filter 2022 is equipped with evacuation port, evacuation port connection exhaust fan 6, and exhaust fan 6 passes through
Emptying flue 7 is discharged, and the exhaust gas through cyclone dust collectors 2021 is by 2022 purified treatment of bag filter, from bag filter
The exhaust gas of 2022 discharges is discharged into after exhaust fan 6 and emptying flue 7 in air.
The hot wind that wet carbide slag is provided through carbide slag entrance in carbide slag drying system with hot-blast stove 4 is through air intake blower fan 5
It is in contact in settler 201, carries out strong heat exchange and removes the large granular impurities such as ferrosilicon, the carbide slag fine powder warp after drying
Increase in pipeline is sent into cyclone dust collectors 2021, bag filter 2022 and is collected, and is sent into carbide slag by chain-linked conveyer 203
It is stored in dry powder library 204.The impurity sedimentations such as carbide slag coarse granule and ferrosilicon are to 201 bottom of settler, through screw conveyor, bucket type
Elevator, which is sent into impurity storehouse 205, collects outer arrange.Exhaust gas through cyclone dust collectors 2021 by 2022 purification of bag filter at
Reason, the exhaust gas for going out bag filter 2022 is discharged into air after system exhaust fan 6 and emptying flue 7, by bag filter
2022 carbide slags collected are sent into dry acetylene sludge powder library 204 and are stored through chain-linked conveyer, bucket elevator.Calcium carbide after drying
Slag water content≤1% meets the requirement of cement producting material and power plant desulfurization agent.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of calcium carbide precipitator dust processing system, which is characterized in that described including transfer device, conveyer and fuel storing storage
The dedusting ash of transfer device delivery is delivered to the fuel storing storage by the conveyer；The transfer device includes transport
Vehicle, the transport vehicle are equipped with dedusting ash cellar and the first nitrogen air accumulator, and the first nitrogen air accumulator connects the dedusting ash
Storehouse, the top of the dedusting ash cellar is equipped with plus grey seal, and the bottom of the dedusting ash cellar is equipped with cinder-discharging port, at the cinder-discharging port
Equipped with unloading valve；The conveyer is equipped with ash inlet, and the ash inlet is tightly connected with the cinder-discharging port.
2. calcium carbide precipitator dust processing system according to claim 1, which is characterized in that the calcium carbide precipitator dust processing system
The second nitrogen air accumulator is further included, the conveyer and the fuel storing storage connect the second nitrogen air accumulator respectively.
3. calcium carbide precipitator dust processing system according to claim 1, which is characterized in that set on the side wall of the dedusting ash cellar
There is vibrator.
4. calcium carbide precipitator dust processing system according to claim 1, which is characterized in that the fuel storing storage connects calcium carbide
Slag drying system or cement slurry grinding system.
5. calcium carbide precipitator dust processing system according to claim 4, which is characterized in that the carbide slag drying system includes
Sequentially connected settler, dust-extraction unit, chain-linked conveyer and dry acetylene sludge powder library, the bottom of the settler are connected with miscellaneous
Matter storehouse, the settler are equipped with carbide slag entrance at the position of its air inlet.
6. calcium carbide precipitator dust processing system according to claim 5, which is characterized in that the calcium carbide precipitator dust processing system
Further include hot-blast stove and air intake blower fan, and the fuel storing storage, the hot-blast stove, the air intake blower fan, the settler according to
Secondary connection.
7. calcium carbide precipitator dust processing system according to claim 5, which is characterized in that the settler is V-type settler,
The V-type settler includes the V-shaped first branch and the second branch, and the outer end of the first branch connects fuel storing storage,
The first branch is equipped with carbide slag entrance, the outer end connection dust-extraction unit of the second branch.
8. calcium carbide precipitator dust processing system according to claim 5, which is characterized in that the dust-extraction unit includes connecting successively
The cyclone dust collectors and bag filter connect, the cyclone dust collectors connect the settler, cyclone dust collectors and described
Bag filter is connect with the chain-linked conveyer.
9. calcium carbide precipitator dust processing system according to claim 8, which is characterized in that the cyclone dust collectors are included successively
The one cyclonic deduster and second cyclone dust extractor of connection, the one cyclonic deduster connection settler, described two
Grade cyclone dust collectors connect the bag filter, the one cyclonic deduster and second cyclone dust extractor with the chain type
Conveyer connects.
10. calcium carbide precipitator dust processing system according to claim 8 or claim 9, which is characterized in that the bag filter is equipped with
Evacuation port, the evacuation port connect exhaust fan, the exhaust fan connection emptying flue.
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| CN201611270260.6A CN108262328A (en) | 2016-12-31 | 2016-12-31 | A kind of calcium carbide precipitator dust processing system |
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| CN201611270260.6A CN108262328A (en) | 2016-12-31 | 2016-12-31 | A kind of calcium carbide precipitator dust processing system |
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| CN108262328A true CN108262328A (en) | 2018-07-10 |
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| CN201611270260.6A Pending CN108262328A (en) | 2016-12-31 | 2016-12-31 | A kind of calcium carbide precipitator dust processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980302A (en) * | 2019-11-22 | 2020-04-10 | 陕西北元化工集团股份有限公司 | Dust removal recycling and transporting system |
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Application publication date: 20180710 |