CN110215780A - System and method for treating asphalt smoke dust by water washing method - Google Patents
System and method for treating asphalt smoke dust by water washing method Download PDFInfo
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- CN110215780A CN110215780A CN201910541105.0A CN201910541105A CN110215780A CN 110215780 A CN110215780 A CN 110215780A CN 201910541105 A CN201910541105 A CN 201910541105A CN 110215780 A CN110215780 A CN 110215780A
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- dust remover
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- mist dust
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- 239000000428 dust Substances 0.000 title claims abstract description 102
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 45
- 239000000779 smoke Substances 0.000 title claims abstract description 31
- 239000010426 asphalt Substances 0.000 title claims abstract description 29
- 238000005406 washing Methods 0.000 title claims abstract description 21
- 239000003595 mist Substances 0.000 claims abstract description 115
- 238000007664 blowing Methods 0.000 claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 239000003500 flue dust Substances 0.000 claims description 29
- 229910052799 carbon Inorganic materials 0.000 claims description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 15
- 239000003546 flue gas Substances 0.000 claims description 15
- 239000010865 sewage Substances 0.000 claims description 13
- 238000000746 purification Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 6
- 235000007164 Oryza sativa Nutrition 0.000 claims description 4
- 235000009566 rice Nutrition 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 9
- 239000002562 thickening agent Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 238000005087 graphitization Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000011329 calcined coke Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
The invention provides a system and a method for treating asphalt smoke dust by a water washing method, and belongs to the technical field of clean production. The system comprises a forming workshop with the height of more than 10 meters, a ceiling of the forming workshop is closed, and the system also comprises an air suction system, a water mist dust remover system and a blowing dust conveying system; the air suction system comprises an air suction pipeline, an air inlet of the air suction pipeline is arranged at the position with the height of 8-15 m in the molding workshop, and an air outlet of the air suction pipeline is communicated with an inlet of the water mist dust remover system; the blowing dust-feeding system comprises a blowing pipeline and a blowing booster fan, wherein the blowing booster fan is arranged on the blowing pipeline, the tail end of the blowing pipeline is provided with a blowing opening, the blowing opening is arranged at a position 2-6 meters high in the forming workshop, and the blowing opening faces to an air inlet of the air suction pipeline; and the outlet of the water mist dust remover system is communicated with the air inlet of the blowing pipeline. The system and the method have simple structure and low cost, and can realize zero emission of the asphalt smoke dust.
Description
[technical field]
The present invention relates to clearer production technology fields, and in particular to a kind of WATER-WASHING METHOD administers system and the side of asphalt smoke
Method.
[background technique]
Anode carbon block is the important materials of electrolytic aluminium, and anode carbon block has one of molding link in process of production, using temperature
The carbon paste of heat, is made the first type of anode, thickener is made of two kinds of materials of particle calcined coke of pitch and gradation, into molding
The thickener of process, temperature is at 150 degree or so.Thickener in forming process is from taking the dish out of the pot, convey, enter mould, depanning and enter pond
Each link has pitch volatility object to be discharged entrainment of the flue dust of fine particle size, forms atmosphere pollution.
The characteristics of asphalt smoke includes the following:
1, viscosity is big；
2, as temperature reduces, viscosity change is big；
3, toxic, peculiar smell；
4, partial size is tiny, based on little particle.
Currently, mainly being handled using black method dedusting and electric fishing dedusting technology in the industry, not only investment is big, operating cost
Height, and it is extremely difficult to the new requirement for the environmental protection index being continuously improved.
[summary of the invention]
Goal of the invention of the invention is: in view of the above problems, providing a kind of WATER-WASHING METHOD and administers asphalt smoke
System and method, system and method structure of the invention is simple, zero-emission at low cost, being able to achieve asphalt smoke.
To achieve the goals above, The technical solution adopted by the invention is as follows:
A kind of system that WATER-WASHING METHOD administers asphalt smoke, the system are applied to the forming link of anode carbon block, the system packet
Including height is 10 meters or more of assembly room, the ceiling closing of the assembly room, which further includes that air draft system, water mist remove
Dirt system is sent in dirt device system, blowing；The air draft system includes air-suction duct, and the air inlet setting of the air-suction duct is forming
At 8-15 rice height in workshop, the air outlet of the air-suction duct and the inlet communication of mist dust remover system；The blowing
Sending dirt system includes blower duct, blowing booster fan, and the blowing booster fan is arranged on blower duct, the blower
The end in road is blowing mouth, and the blowing mouth is arranged in assembly room at 2-6 meters of height and blowing mouth is towards the aspiration channel
The air inlet in road；The outlet of the mist dust remover system is connected with the air inlet of blower duct.
In the present invention, it is preferable that the mist dust remover system includes two-stage mist dust remover, respectively first order water mist
Deduster and second level mist dust remover, the import of the first order mist dust remover and the air outlet of the air-suction duct connect
It is logical, the outlet of first order mist dust remover and the inlet communication of the second level mist dust remover, second level mist dust remover
Outlet is connected with the air inlet of the blower duct.
In the present invention, it is preferable that the air-suction duct is laterally arranged in the overhead of assembly room, carries out to pollution air horizontal
It is sucked out to attracting.
In the present invention, it is preferable that the first order mist dust remover uses cyclonic fog deduster, the second level water mist
Deduster uses pot type mist dust remover；The first order mist dust remover and second level mist dust remover are arranged at dedusting car
Between outside.
In the present invention, it is preferable that the system further includes cooling pond and the sewage treatment tank of anode carbon block, the first order
Mist dust remover and second level mist dust remover further include water inlet and discharge outlet, the first order mist dust remover and second
The water inlet of grade mist dust remover passes through water pump and is connected to cooling pond, thus using the water of cooling pond, first order water mist
The discharge outlet of deduster and second level mist dust remover is connected to the sewage treatment tank and carries out sewage treatment.
In the present invention, it is preferable that the air draft system, mist dust remover system, blowing send dirt system to be respectively provided with multiple groups.
In the present invention, it is preferable that 2 meters of assembly room space below is provided with fresh air supply mouth and supply wind
Machine.
The present invention also provides a kind of method that the WATER-WASHING METHOD using above system administers asphalt smoke, this method is applied to sun
The forming link of pole carbon block, comprises the step of: will form link in assembly room upper space first with air draft system and generate
Flue dust expeditiously captured, using the cleaning of mist dust remover system water mist, dedusting, de-taste, heat, then by blowing
On the one hand the middle layer that wind send dirt system the flue gas of purification to be blown into again workshop makes contaminated air-flow be re-fed into vehicle after purification
Between production process supplemented, the flue dust that is sinking adds again after capable of being cooled after on the other hand the flue gas of the purification is pressurized
Heat is simultaneously blown to blowing dirt system is sent to be sucked away, and makes to form air seal required for link produces and recycles, while to personnel
Zone of action supplements fresh air, control and reduction flue gas emission.
Preferably, the mist dust remover system includes two-stage dedusting.
Preferably, the warm water of cooling pond of the water from anode carbon block used in the mist dust remover system.
The principle that the present invention can be carried out are as follows: the level of the do mechanization operation of anode carbon block pressing section is very high, raw
It is very high to produce efficiency, in production, removing ground has other than several operators, and 2 meters or more of upper layer does not have operator, only organic
The space of device provides the foundation condition for air circulation use.The flue dust of assembly room, from thickener, the reason is that thickener with
The temperature difference of room temperature can overflow thickener heap, while being entrained with fine grained coke after pitch volatiles matter in thickener is heated, hot
Thickener heated the air around thickener, produce ascending air, and pollutant is pushed to eminence by the thermal current of rising, float
Come.As the temperature of the rising of height, the diffusion of heat, air-flow reduces quickly, the flue dust for losing temperature is begun to decline, with rising
Flue dust collision, adherency, partial size becomes larger, more bigger heavier, declines faster, and the flue dust air-flow that this raising and lowering coexists is difficult
Fume collection is solved by exhaust fume collecting hood and exhaust fan negative pressure and is discharged, and existing method, often used air is discharged to greatly
It is gone in gas, just as breathing usually.But which can only sop up the flue dust of rising, and air quantity is big again, also not have to the flue dust of decline
There is effect.
And the zero-emission theory that the present invention uses is to use air circulation, adopts the air of contaminated mistake in cyclic process
It is cleaned with 2 grades of water mists, dedusting returns again to use after de-tasting, avoid the air direct emission being contaminated.Purified flue dust returns
It returns and is up blown when using from workshop lower layer, the flue dust orientation to cause to fall and break is drifted about to being sucked away, and effective management flue dust is carried out.Purification
The clean level of flue dust afterwards is up to standard.The air circulation of entire workshop section uses, and accomplishes flue dust zero-emission as far as possible after.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, the present invention uses the air circulation containing asphalt smoke, and the air of contaminated mistake is used 2 grades of water mists first
Cleaning, dedusting returns again to use after de-tasting, to avoid the air direct emission being contaminated.Then purified flue dust returns
It returns and is up blown when using from workshop lower layer, the flue dust orientation to cause to fall and break is drifted about to being sucked away, and is carried out effective management flue dust, is made cigarette
Dirt is absorbed as far as possible, and the clean level of purified flue dust is up to standard, and the air circulation of entire workshop section uses, and can reach glance coal
The effect of dirt zero-emission.
2, the present invention after the smoke gas treatment of capture in a conventional manner to not discharging, but recycles after administering, and
And solve the problems, such as that asphalt smoke is difficult to administer, it is a kind of higher behave of novelty.
3, structure of the invention is simple, easy to install and use, and operating cost is low, achievees the purpose that industry energy conservation subtracts consumption.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram for the system that a kind of WATER-WASHING METHOD of the present invention administers asphalt smoke.
Fig. 2 is suction pipe in the present invention and blows afloat the top view that pipeline is arranged in assembly room.
Wherein, the assembly room 1-, 2- air-suction duct, the air inlet of 21- air-suction duct, 3- mist dust remover system, 31-
Level-one mist dust remover, the second level 32- mist dust remover, 4- blower duct, the blowing mouth of 41- blower duct, 5- water pump, 6- are cold
But pond, 7- sewage treatment tank, 8- blowing booster fan, 9- feed blower.
[specific embodiment]
The present invention provides system and its administering method that a kind of WATER-WASHING METHOD administers asphalt smoke, this method will contain pitch
The air circulation of flue dust uses, and first by the air of contaminated mistake using 2 grades of water mist cleanings, dedusting returns again to use after de-tasting,
To avoid the air direct emission being contaminated.Then purified flue dust, which returns, up blows when using from workshop lower layer, makes
The flue dust orientation of whereabouts is drifted about to being sucked away, and is carried out effective management flue dust, is absorbed flue dust as far as possible, purified flue dust
Clean level it is up to standard, the air circulation of entire workshop section uses, and can achieve the effect that asphalt smoke zero-emission.
Referring to Fig. 1, the basic structure of the system are as follows: a kind of system that WATER-WASHING METHOD administers asphalt smoke is applied to anode carbon
The forming link of block, the system include the assembly room 1 that height is 10 meters or more, and the ceiling closing of the assembly room 1, this is
System further includes air draft system, mist dust remover system 3, dries and send dirt system；The air draft system includes air-suction duct 2, described
The air inlet 21 of air-suction duct 2 is arranged at the 8-15 rice height in assembly room 1, the air outlet and water of the air-suction duct 2
The inlet communication of mist duster system 3；It includes blower duct 4, blowing booster fan 8, the blowing that dirt system is sent in the blowing
Booster fan 8 is arranged on blower duct 4, and the end of the blower duct 4 is blowing mouth 41, the setting of blowing mouth 41 at
In type workshop 1 at 2-6 meters of height and blowing mouth 41 towards the air-suction duct 2 air inlet 21；The mist dust remover system 3
Outlet be connected with the air inlet of blower duct 4.
In some embodiments of the invention, the mist dust remover system 3 includes two-stage mist dust remover, respectively the
Level-one mist dust remover 31 and second level mist dust remover 32, the import of the first order mist dust remover 31 and the aspiration channel
The air outlet in road 2 is connected to, the outlet of first order mist dust remover 31 and the inlet communication of the second level mist dust remover 32, the
The outlet of second level mist dust remover 32 is connected with the air inlet of the blower duct 4.
In some embodiments of the invention, the air-suction duct 2 is laterally arranged in the overhead of assembly room 1, to pollution
Air carries out transverse attractive suction.
In some embodiments of the invention, the first order mist dust remover 31 uses cyclonic fog deduster, described
Second level mist dust remover 32 uses pot type mist dust remover；The first order mist dust remover 31 and second level mist dust remover
32 are arranged at the outside in dedusting workshop.
In some embodiments of the invention, which further includes cooling pond 6 and the sewage treatment tank 7 of anode carbon block,
The first order mist dust remover 31 and second level mist dust remover 32 further include water inlet and discharge outlet, the first order water
The water inlet of mist deduster 31 and second level mist dust remover 32 passes through water pump 5 and is connected to cooling pond 6, to utilize cooling
The discharge outlet of the water in pond 6, first order mist dust remover 31 and second level mist dust remover 32 is connected to the sewage treatment
Slot 7 carries out sewage treatment.
In some embodiments of the invention, the air draft system, mist dust remover system 3, blowing send dirt system to be all provided with
Set multiple groups.
In some embodiments of the invention, 2 meters of assembly room space below is provided with fresh air supply mouth
With supply blower 9.
The present invention also provides a kind of method that the WATER-WASHING METHOD using above system administers asphalt smoke, this method is applied to sun
The forming link of pole carbon block, comprises the step of: will form link in 1 upper space of assembly room first with air draft system and generate
Flue dust expeditiously captured, using the 3 water mist cleaning of mist dust remover system, dedusting, de-taste, heat, then pass through
The middle layer that blowing send dirt system the flue gas of purification to be blown into again workshop is re-fed into contaminated air-flow after purification
Workshop production process is supplemented, and the flue dust to sink after capable of being cooled after on the other hand the flue gas of the purification is pressurized is again
Heating and being blown to blowing send dirt system to be sucked away, and makes to form air seal required for link produces and recycles, while to people
Member zone of action supplements fresh air, control and reduction flue gas emission.
In some embodiments of the invention, the mist dust remover system 3 includes two-stage dedusting.
In some embodiments of the invention, water used in the mist dust remover system 3 is from the cold of anode carbon block
But the warm water in pond 6.
In order to more clearly express the present invention, below by way of specific embodiment, the invention will be further described.
Guangxi Qiang Qiang Carbon Co., Ltd is mainly that aluminum i ndustry production provides the prebake used for aluminium electrolysis sun of energy conservation innovation
The products such as pole, graphitization cathode, graphitization choker bar.The level of the do mechanization operation of the pressing section of anode carbon block is very high, raw
It is very high to produce efficiency, about 18 meters of the height of workshop, in production, removing ground has other than several operators, and 2 meters or more of upper layer does not have
There are operator, the only space of machine, provides the foundation condition for air circulation use.
In the system concrete condition of our company's setting are as follows: the height of assembly room 1 is 18 meters, and length is 13.5 meters, wide
Degree is 12 meters, and the smoke evacuation ceiling of assembly room 1 is closed by when improvement, and set system further includes air draft system, water mist
Dirt system is sent in duster system 3, blowing.
Air draft system includes air-suction duct 2, and air-suction duct 2 is used to the asphalt smoke on upper layer being drawn to mist dust remover system
3 are handled, when setting, at 8-15 rice height that the air inlet 21 of air-suction duct 2 is arranged in assembly room 1, and aspiration channel
Road 2 is laterally arranged in the overhead of assembly room 1, carries out transverse attractive suction to pollution air, compared to vertically arranged mode, this
More asphalt smoke can be sucked out for sample.The quantity of air-suction duct 2 is designed according to the volume of assembly room 1, referring to
Fig. 2, is arranged four groups of air-suction ducts 2 in the present embodiment, and four groups of air-suction ducts 2 it is fixed at various height with different positions,
Dust absorbing is carried out to be staggered as far as possible.The air outlet of each air-suction duct 2 respectively connects with the import of a mist dust remover system 3
It is logical.
In order to reach preferably dust removing effects, two-stage mist dust remover, respectively first order mist dust remover 31 are used
Import with second level mist dust remover 32, first order mist dust remover 31 is connected to the air outlet of air-suction duct 2, first order water
The outlet of mist deduster 31 and the inlet communication of second level mist dust remover 32, the outlet and blowing of second level mist dust remover 32
The air inlet of pipeline 4 is connected.By practice, first order mist dust remover 31 uses cyclonic fog deduster, second level water mist
Deduster 32 can reach preferable dust removing effects using pot type mist dust remover.The first order mist dust remover 31 and second level water mist
Deduster 32 is arranged at the outside in dedusting workshop because volume is larger.
Two-stage mist dust remover at runtime, needs to use water, therefore the productive prospecting of the comprehensive anode carbon block of the applicant,
The water of the cooling link of anode carbon block is recycled, therefore, this system further includes cooling pond 6 and the sewage of anode carbon block
Treatment trough 7, first order mist dust remover 31 and second level mist dust remover 32 further include water inlet and discharge outlet, first order water
The water inlet of mist deduster 31 and second level mist dust remover 32 passes through water pump 5 and is connected to cooling pond 6, to utilize cooling
The discharge outlet of the water in pond 6, first order mist dust remover 31 and second level mist dust remover 32 is connected to the sewage treatment
Slot 7 carries out sewage treatment.The water temperature of cooling pond 6 is about 45-60 degree, therefore can also be heated to the air that it is handled, and is had
Conducive to the performance of next step function.
It includes blower duct 4, blowing booster fan 8 that dirt system is sent in blowing, and blowing booster fan 8 is arranged in blower duct 4
On, blower duct 4 is also mating to be set as four groups, and the end of blower duct 4 is blowing mouth 41, as shown in Fig. 2, blowing mouth 41 is arranged
In assembly room 1 at 2-6 meters of height, as far as possible along workshop periphery arrangement and blowing mouth 41 towards air-suction duct 2 into
Air port 21, to ensure that the flue dust to sink in workshop is blown afloat to come as far as possible again；The outlet of mist dust remover system 3 is specially
The outlet of second level mist dust remover 32 is connected with the air inlet of blower duct 4.
In the present system, in order to guarantee the activity in the movable worker of lower layer space, in 2 meters of assembly room space below
It is provided with fresh air supply mouth and supply blower 9.
Analytical calculation is carried out to the regulation effect of this system below by the actual installation operating condition of the applicant:
(1) known conditions:
The yield of anode carbon block is about 25 ton/hours, by 18 degree of calculating of cooling, releases 376,200,000 joule's heat energies, these heat
Amount can be heated to 8700 cubic metres of air from 15 degree 33.5 degree, form thermal current, and the flow velocity of air-flow is 0.015 meter per second,
2 grades of water mist cleaning efficiency 90%.
(2) data before being transformed:
Q=162 square metres of exhaust gas volumn × 0.015 meter per second × 3600 second/hour=8748 cubes ms/h；
Flue gas concentration=13000g/ hours 8748 cubes ms/h of ÷=1486mg/ cubic metres；
Pitch smell is more obvious；
Content=0.5mg/ cubic metres of benzene (formaldehyde)；
(3) improved data:
Q1=7000 cubes m/h of platform × 4 of recyclegas tolerance × 60%=18600 cubes m/h；
16800 cubes ms/h of ÷=773mg/ cubic metres of recyclegas flue gas concentration=13000g/ hours；
Wherein, 7000 cubes of ms/h of platforms are the processing speed of mist dust remover；60% is 4 mist dust removers
Gross efficiency；
(4) purified data:
16800 cubes ms/h of circulating flue gas tolerance；
3140 cubic metre/time=5.3 time cycle-index=16800 cube m/h ÷/hour；
2 grades of purification efficiencies 90% of later flue gas concentration are purified, recyclegas flue gas concentration:
13000g/ hours × (1-90%)=1300mg/ hours；
1300g/ hours 16800 cubes ms/h of ÷=77.3mg/ cubic metres；(current limit value: 100mg/m3)；
Pitch gas smell situation is that can not smell pitch smell；
Content=0.08mg/ cubic metres of benzene (formaldehyde)；
(5) it analyzes
1. the air-flow tolerance of recyclegas is greater than the exhaust gas volumn at present at workshop section, flue gas is not overflowed, all can be by air-flow
Collection siphons away；
Circulating flow rate ÷ is 8748 cubes ms/h of tolerance=18600 cube m/h ÷=1.92 times natural at present；
2. the requisite quality of recyclegas, can safety recycling, hence it is evident that improve, improve workshop in air matter
Amount.
The air quality of inlet and outlet improves a lot, and pollutant concentration reduces by 90%: from 773mg/ cubic metres, being reduced to
77.3mg/ cubic metres；Benzene (formaldehyde) levels are from 0.5mg/m3Drop to 0.08mg/m3；It can not smell pitch smell；
3. reaching smokeless, dustless, odorlessness outside assembly room.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the patents of the present invention.
Claims (10)
1. the system that a kind of WATER-WASHING METHOD administers asphalt smoke, which is applied to the forming link of anode carbon block, which includes
The assembly room that height is 10 meters or more, it is characterised in that: the ceiling of the assembly room is closed, which further includes air draught system
Dirt system is sent in system, mist dust remover system, blowing；The air draft system includes air-suction duct, the air inlet of the air-suction duct
It is arranged at the 8-15 rice height in assembly room, the air outlet of the air-suction duct and the import of mist dust remover system connect
It is logical；It includes blower duct, blowing booster fan that dirt system is sent in the blowing, and the blowing booster fan is arranged in blower duct
On, the end of the blower duct is blowing mouth, and the blowing mouth is arranged in assembly room at 2-6 meters of height and blowing mouth court
To the air inlet of the air-suction duct；The outlet of the mist dust remover system is connected with the air inlet of blower duct.
2. the system that a kind of WATER-WASHING METHOD according to claim 1 administers asphalt smoke, it is characterised in that: the water mist dust-removing
Device system includes two-stage mist dust remover, respectively first order mist dust remover and second level mist dust remover, the first order
The import of mist dust remover is connected to the air outlet of the air-suction duct, the outlet of first order mist dust remover and the second level
The outlet of the inlet communication of mist dust remover, second level mist dust remover is connected with the air inlet of the blower duct.
3. the system that a kind of WATER-WASHING METHOD according to claim 1 administers asphalt smoke, it is characterised in that: the air-suction duct
Laterally it is arranged in the overhead of assembly room, transverse attractive suction is carried out to pollution air.
4. the system that a kind of WATER-WASHING METHOD according to claim 2 administers asphalt smoke, it is characterised in that: the first order water
Mist deduster uses cyclonic fog deduster, and the second level mist dust remover uses pot type mist dust remover；The first order
Mist dust remover and second level mist dust remover are arranged at the outside in dedusting workshop.
5. the system that a kind of WATER-WASHING METHOD according to claim 4 administers asphalt smoke, it is characterised in that: the system further includes
The cooling pond of anode carbon block and sewage treatment tank, the first order mist dust remover and second level mist dust remover further include
The water inlet of water inlet and discharge outlet, the first order mist dust remover and second level mist dust remover passes through water pump and cooling
Pond connection, so that the discharge outlet of first order mist dust remover and second level mist dust remover connects using the water of cooling pond
It is connected to the sewage treatment tank and carries out sewage treatment.
6. the system that a kind of WATER-WASHING METHOD according to claim 2 administers asphalt smoke, it is characterised in that: the air draught system
System, mist dust remover system, blowing send dirt system to be respectively provided with multiple groups.
7. the system that a kind of WATER-WASHING METHOD according to claim 1 administers asphalt smoke, it is characterised in that: the assembly room
2 meters of spaces below are provided with fresh air supply mouth and supply blower.
8. a kind of method that WATER-WASHING METHOD administers asphalt smoke, this method is applied to the forming link of anode carbon block, which is characterized in that
It comprises the step of: being carried out expeditiously in assembly room upper space by the flue dust that link generates is formed first with air draft system
It captures, using the cleaning of mist dust remover system water mist, dedusting, de-tastes, heats, then send dirt system purification by drying
Flue gas is blown into the middle layer in workshop again, so that contaminated air-flow is re-fed into workshop production process after purification and is mended
It fills, the flue dust to sink after capable of being cooled after on the other hand the flue gas of the purification is pressurized, which reheats and is blown to blowing, send dirt
System is sucked away, and recycles air seal required for forming link production, while fresh to personnel activity region supplement
Air, control and reduction flue gas emission.
9. the method that a kind of WATER-WASHING METHOD according to claim 8 administers asphalt smoke, it is characterised in that: the water mist dust-removing
Device system includes two-stage dedusting.
10. the method that a kind of WATER-WASHING METHOD according to claim 8 administers asphalt smoke, it is characterised in that: the water mist removes
Warm water of the water used in dirt device system from the cooling pond of anode carbon block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910541105.0A CN110215780A (en) | 2019-06-21 | 2019-06-21 | System and method for treating asphalt smoke dust by water washing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910541105.0A CN110215780A (en) | 2019-06-21 | 2019-06-21 | System and method for treating asphalt smoke dust by water washing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110215780A true CN110215780A (en) | 2019-09-10 |
Family
ID=67814381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910541105.0A Pending CN110215780A (en) | 2019-06-21 | 2019-06-21 | System and method for treating asphalt smoke dust by water washing method |
Country Status (1)
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| CN (1) | CN110215780A (en) |
Citations (4)
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|---|---|---|---|---|
| CN202683009U (en) * | 2012-07-10 | 2013-01-23 | 新郑市东升炭素有限公司 | High-temperature gas asphaltic oil gathering tower |
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| CN202683009U (en) * | 2012-07-10 | 2013-01-23 | 新郑市东升炭素有限公司 | High-temperature gas asphaltic oil gathering tower |
| CN204672669U (en) * | 2015-05-25 | 2015-09-30 | 兴文县尧得农林科技发展有限公司 | Air-flow closes guiding dust collection treating apparatus |
| CN106256407A (en) * | 2016-06-07 | 2016-12-28 | 金红叶纸业集团有限公司 | Wet process dust collection device and cleaning rewinding system |
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