CN208959617U - A kind of asphalt smoke purifying system - Google Patents
A kind of asphalt smoke purifying system Download PDFInfo
- Publication number
- CN208959617U CN208959617U CN201821051528.1U CN201821051528U CN208959617U CN 208959617 U CN208959617 U CN 208959617U CN 201821051528 U CN201821051528 U CN 201821051528U CN 208959617 U CN208959617 U CN 208959617U
- Authority
- CN
- China
- Prior art keywords
- coke powder
- station
- gas
- connect
- flue gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a kind of asphalt smoke purifying systems, comprising: production system, for finished product to be made and generates bitumen flue gas；Storage device, for storing and exporting calcined coke powder；Mixing and absorption device, for adsorbing calcined coke powder will to the volatile matter in bitumen flue gas and being formed with rear coke powder, bitumen flue gas form sulfurous gas due to will be after volatile matter is adsorbed；Dust-extraction unit, for being separated with rear coke powder and sulfurous gas in less toxic mixture；Feeding back device, for that will be exported with rear coke powder to storage device；Desulfurizer generates non-toxic gas for removing the intracorporal sulfur dioxide of sour gas；Output device, for non-toxic gas to be discharged outside to.Advantages and beneficial effects of the utility model lie in that the volatile matter in bitumen flue gas, sulfur dioxide and the various environmentally friendly outputs of dust particle can be solved the problems, such as simultaneously, improve the clean-up effect and purification efficiency of bitumen flue gas, generation secondary pollution is avoided, economic value is improved.
Description
Technical field
The utility model relates to environment protection field, in particular to a kind of asphalt smoke purifying system.
Background technique
Electrolgtic aluminium carbon annode production process need to undergo calcining --- processes such as kneading paste producing --- molding --- roasting,
Contain a large amount of bitumen flue gas in baking flue gas, wherein contain sulfur dioxide, volatile matter and dust particles in the bitumen flue gas
Object, and indirect-acting carcinogen BaP and tar are mainly contained in volatile matter, the current country generallys use spray column to bitumen flue gas
Cooling and dedusting, then flue gas after cooling is passed through the technology path that electrical tar precipitator is collected, it is main existing for the process
Wanting problem is, 1. the requirement due to the arresting efficiency of electrical tar precipitator to flue-gas temperature is very strict, it is difficult to control, cause pitch
Gas cleaning efficiency is unstable, it is difficult to reach relatively high purification efficiency.Contain hundreds of fugitive constituents, Yuan Yougong in bitumen flue gas
Skill route is to the higher fugitive constituent of its mid-boiling point especially indirect-acting carcinogen --- and the removal efficiency of BaP cannot reach environmental protection
Emission request, 2. forms serious secondary pollution in spray column cool down, cooling waste water carries a large amount of tarvias, powder
The many kinds of substance such as dirt, sulfur dioxide are difficult to handle after mixing, and without any commercial value or industrial use, 3. electrical tar precipitator
The tar trapped will usually be handled as dangerous waste, and not only processing cost is very high, and does not meet the original of circular economy
Then, it 4. also relies primarily on and is solved by the way in spraying cooling tower due to the sulfur dioxide containing higher concentration in roasting discharge flue gas,
And spray column is extremely limited to the removal efficiency of sulfur dioxide.To sum up, with increasingly strict, the original technology that environment protection emission requires
Route increasingly shows its limitation.The improvement of the carbon anode roasting flue gas of electrolgtic aluminium needs a kind of novel technique side
Method is above-mentioned several big to solve the problems, such as.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of asphalt smoke purifying system.The technical program can be same
When solve the problems, such as volatile matter in bitumen flue gas, sulfur dioxide and the various environmentally friendly outputs of dust particle, improve drip
The clean-up effect and purification efficiency of green flue gas；
Effective use calcined coke powder adsorbs volatile matter, and carries out high temperature roasting by the high temperature station of production system
It burns, generates water and carbon dioxide, avoid generating secondary pollution；Meanwhile the collection of calcined coke powder is simple, therefore installed capacity and place
It manages efficiency not constrained by flue gas magnitude, there is general applicability in carbon product industry；
It is conveyed to rear coke powder and dust particle whole process using air-tight manner using Pneumatic conveying pipeline, on the way not
Generate fugitive dust, effective protection plant environment；
Using the sulfur dioxide in soda removal bitumen flue gas, and high-purity crystallized salt is obtained, not only desulfurization is abundant, and
The high-purity crystallized salt of by-product caused by desulfurization is processed, can get technical grade sulfuric acid salt or technical grade sulphite
Or the product mix of sulfate and sulphite, improve the economic value of the purification of bitumen flue gas.
One of the utility model asphalt smoke purifying system, comprising:
Production system carries out calcining to raw petroleum coke and obtains calcined coke powder, and part calcined coke powder is exported to storing and is filled
It sets；After mold base is made in calcined coke powder and pitch progress kneading by the production system, high-temperature roasting is carried out to the mold base, then to this
Mold base carries out cooling and finished product is made；The production system will generate bitumen flue gas when carrying out high-temperature roasting and cooling to mold base,
Bitumen flue gas will summarize to main chimney flue；
Storage device, for storing and exporting calcined coke powder；
Mixing and absorption device is connect to receive calcined coke powder with the storage device, the mixing and absorption device also with institute
Main chimney flue connection is stated to receive bitumen flue gas；The mixing and absorption device is sufficiently mixed calcined coke powder and bitumen flue gas
Afterwards, calcined coke powder will adsorb the volatile matter in bitumen flue gas and be formed with rear coke powder, and the bitumen flue gas will be because of volatilization
Divide after being adsorbed and forms sulfurous gas；
Dust-extraction unit is connect with the mixing and absorption device to receive and be mixed by the low toxicity formed with rear coke powder and sulfurous gas
Close object；The dust-extraction unit uses rear coke powder and sulfur-bearing to being separated in less toxic mixture with rear coke powder and sulfurous gas
The intracorporal dust particle of gas is deposited in dust-extraction unit and sulfurous gas is discharged；
Feeding back device is connect to receive with rear coke powder and dust particle with the dust-extraction unit；The feeding back device is also
It connect with the storage device, and is exported described with rear coke powder and dust particle to the storage device；The storing dress
It sets and is exported described with rear coke powder and dust particle to the production system, the production system will use rear coke powder, dust
After mold base is made in grain object, calcined coke powder and pitch progress kneading, high-temperature roasting is carried out to the mold base, then cool down to the mold base
Finished product is made；The production system will generate bitumen flue gas when carrying out high-temperature roasting and cooling to mold base and summarize to total cigarette
Road, the main chimney flue are again exported the bitumen flue gas to the mixing and absorption device by main chimney flue；
Desulfurizer is connect to receive sulfurous gas with the dust-extraction unit, and for removing the intracorporal dioxy of sour gas
Change sulphur and generates non-toxic gas；
Output device is connect with the desulfurizer to receive non-toxic gas, and non-toxic gas is discharged outside to.
In above scheme, the production system includes calcining station, asphalt tank, ingredient station, kneading station, high temperature station
With cooling station；
The calcining station to raw petroleum coke for being calcined and being obtained calcined coke powder, and the asphalt tank is for storing drip
Blueness, the calcining station and asphalt tank are connect with the ingredient station respectively, and the kneading station is connect with the ingredient station,
The ingredient station is exported for receiving calcined coke powder and pitch, and after mixing to the calcined coke powder and pitch to described
Kneading station, the kneading station carry out kneading to mixed calcined coke powder and pitch and mold base are made；The calcining station
It is also connect with storage device, for exporting calcined coke powder to the storage device；
The high temperature station is connect with cooling station, and cooling station is connect with main chimney flue, and the high temperature station is to the mould
After embryo carries out high-temperature roasting, the mold base is exported to the cooling station, the cooling station cools down to the mold base
And finished product is made.
In above scheme, the storage device includes coke powder storage bin, and the coke powder storage bin and the calcining station connect
It connects, for receiving calcined coke powder；The coke powder storage bin is also connect with the ingredient station, for exporting to the ingredient station
With rear coke powder and dust particle；
The coke powder storage bin includes new feed bin and with rear feed bin, and the new feed bin connect with the calcining station, is used for
Storage and output calcined coke powder, it is described to be connect with rear feed bin with the ingredient station, for storing and exporting with rear coke powder and powder
Dirt particulate matter.
In above scheme, the mixing and absorption device includes VRI reactor, and the coke powder storage bin is reacted with the VRI
The feed inlet of device connects, and exports calcined coke powder to the VRI reactor, the gas input port of the VRI reactor with it is described
Main chimney flue connection, the main chimney flue to the VRI reactor export bitumen flue gas, the gas delivery port of the VRI reactor with
The dust-extraction unit connection；After the VRI reactor is sufficiently mixed calcined coke powder and bitumen flue gas, calcined coke powder will be right
Volatile matter in bitumen flue gas is adsorbed and is formed with rear coke powder, and the bitumen flue gas be formed due to will be after volatile matter is adsorbed
Sulfurous gas, it is described to be mixed to form less toxic mixture with rear coke powder and sulfurous gas；Wherein, the VRI reactor with it is described
New feed bin connection, the new feed bin export calcined coke powder to the VRI reactor.
In above scheme, the dust-extraction unit includes bag filter；The input port of the bag filter and the VRI
The gas delivery port of reactor connects, and to receive less toxic mixture, the bag filter divides the less toxic mixture
From being deposited in bag filter using rear coke powder and the intracorporal dust particle of sour gas and sulfurous gas be discharged.
In above scheme, the feeding back device includes that storage warehouse and Pneumatic conveying pipeline are expected after using, and expects storage after the use
Storehouse is connect with the bag filter, and the bag filter is exported precipitating with rear coke powder and dust particle to the use
Expect in storage warehouse afterwards, one end of the Pneumatic conveying pipeline expects that storage warehouse is connect with described after, the Pneumatic conveying pipeline
The other end is connect with the coke powder storage bin, the Pneumatic conveying pipeline by expect after the use in storage warehouse with rear coke powder and powder
Dirt particulate matter is transported in coke powder storage bin, wherein the Pneumatic conveying pipeline is connect with described with rear feed bin, the pneumatic transporting
Pipeline is sent to expect being transported to rear coke powder and dust particle in rear feed bin in storage warehouse after for described, with rear feed bin by institute
It states and is exported with rear coke powder and dust particle to the ingredient station；
After mold base will be made with rear coke powder, dust particle, calcined coke powder and pitch progress kneading in the ingredient station, by
The high temperature station carries out high-temperature roasting to the mold base, then carries out cooling to the mold base by low temperature station and finished product is made；It is described low
Warm station will generate bitumen flue gas when cooling down to mold base again, the production system again by the bitumen flue gas export to
The mixing and absorption device.
In above scheme, the desulfurizer includes main air blower, desulfurizing tower and desulfurization pond；
The sulfur-bearing of the input port of the main air blower and the bag filter, which exports, to be connected, the delivery outlet of the main air blower with
The input port of the desulfurizing tower connects, and the bottom of the desulfurizing tower is connected to the desulfurization pond；
The main air blower exports the sulfurous gas out of bag filter to the desulfurizing tower, the desulfurizing tower pair
The sulfurous gas carries out desulfurization, obtains non-toxic gas and high-purity crystallized salt；The delivery outlet of the desulfurizing tower and the output
Device connection.
In above scheme, the output device includes chimney, the input port of the delivery outlet of the desulfurizing tower and the chimney
Connection, the delivery outlet of the chimney are located at the top of chimney, and the desulfurizing tower exports non-toxic gas to chimney, and passes through chimney
Delivery outlet export to the external world.
A kind of bitumen flue gas purifying method, comprising the following steps:
S1. operation calcining station is for calcining raw petroleum coke and obtaining calcined coke powder, while operating calcining station
And asphalt tank, make to calcine station and asphalt tank to ingredient station output calcined coke powder and pitch；
Operation ingredient station mixes it to calcined coke powder and pitch, and calcined coke powder and pitch are exported to described
Kneading station；
Operation kneading station carries out kneading to mixed calcined coke powder and pitch and mold base is made；Mold base is placed on height
In warm station, high temperature station is made to carry out high-temperature roasting to the mold base；Operating high temperature station again exports mold base from high temperature station
To cooling station, operation cooling station makes cooling station be cooled down to the mold base and finished product is made；At this point, mold base is through high temperature
The bitumen flue gas generated after roasting and cooling will summarize from high temperature station and cooling station to main chimney flue；
S2. operation calcining station exports the part calcined coke powder for calcining station to new feed bin；By the pitch of main chimney flue
Flue gas is output to VRI reactor, while operating new feed bin makes new feed bin export calcined coke powder into VRI reactor, and the VRI is anti-
After answering device to be sufficiently mixed calcined coke powder and bitumen flue gas, calcined coke powder will adsorb the volatile matter in bitumen flue gas
And formed with rear coke powder, the bitumen flue gas form sulfurous gas due to will be after volatile matter is adsorbed, described with rear coke powder and to contain
Sulphur gas will be mixed to form less toxic mixture；
S3. operation bag filter receives less toxic mixture, and the bag filter divides the less toxic mixture
From being deposited in bag filter using rear coke powder and the intracorporal dust particle of sour gas and sulfurous gas be discharged；
S4. expect in storage warehouse after precipitating is output to use with rear coke powder and dust particle by operation bag filter, behaviour
Make Pneumatic conveying pipeline and expect being transported to rear coke powder and dust particle in rear feed bin in storage warehouse after for described, after
Feed bin is exported described with rear coke powder and dust particle to the ingredient station；
After mold base will be made with rear coke powder, dust particle, calcined coke powder and pitch progress kneading in ingredient station, by high temperature
Station carries out high-temperature roasting to the mold base, then carries out cooling to the mold base by low temperature station and finished product is made；At this point, mold base is through high temperature
The bitumen flue gas generated after roasting and cooling will summarize from high temperature station and cooling station to main chimney flue again, the production system
The bitumen flue gas is exported by main chimney flue to the mixing and absorption device again；
S5. operation main air blower exports main air blower to desulfurizing tower sulfurous gas out of bag filter, the desulfurization
Tower carries out desulfurization to the sulfurous gas, obtains non-toxic gas and high-purity crystallized salt；The desulfurizing tower exports non-toxic gas
To chimney, and exported by the delivery outlet of chimney to the external world.
In above scheme, in the S4, high temperature tooling will be to by with rear coke powder, dust particle, calcined coke powder and drip
Mold base made of blueness carries out high-temperature roasting, dust particle in mold base and will be due to height with the adsorbed volatile matter of rear coke powder
Temperature roasting, and be burned and form carbon dioxide and vapor and be discharged outside to；
In the S5, be provided with desulfurizing agent in the desulfurizing tower, the intracorporal sulfur dioxide of sour gas will in desulfurizing tower
Soda reaction generate the mixed solution of sulfate liquor or sulfite solution or sulfate and sulphite, by sulfate
Sodium sulphate in the mixed solution of solution or sulfite solution or sulfate and sulphite, which is precipitated, obtains the high-purity
Crystal salt, the i.e. mixture of high-purity sulfuric acid salt or high-purity sulphite or high-purity sulfuric acid salt and sulphite；
The mixing of sulfate liquor or sulfite solution or sulfate and sulphite in the desulfurizing tower is molten
Liquid is exported to desulfurization pond, and will be in the mixed solution of sulfate liquor or sulfite solution or sulfate and sulphite
Sodium sulphate the mixing for obtaining high-purity sulfuric acid salt or high-purity sulphite or high-purity sulfuric acid salt and sulphite is precipitated
Object；The mixture of high-purity sulfuric acid salt or high-purity sulphite or high-purity sulfuric acid salt and sulphite to precipitation is successively
It is concentrated, is centrifuged and dried, the mixing of technical grade sulfuric acid salt or technical grade sulphite or sulfate and sulphite is made
Product.
Advantages and beneficial effects of the utility model lie in that the utility model provides a kind of asphalt smoke purifying system, it can
To solve the problems, such as the volatile matter in bitumen flue gas, sulfur dioxide and the various environmentally friendly outputs of dust particle simultaneously, improve
The clean-up effect and purification efficiency of bitumen flue gas；
Effective use calcined coke powder adsorbs volatile matter, and carries out high temperature roasting by the high temperature station of production system
It burns, generates water and carbon dioxide, avoid generating secondary pollution；Meanwhile the collection of calcined coke powder is simple, therefore installed capacity and place
It manages efficiency not constrained by flue gas magnitude, there is general applicability in carbon product industry；
It is conveyed to rear coke powder whole process using air-tight manner using Pneumatic conveying pipeline, does not generate fugitive dust on the way, have
Effect protection plant environment；
Using the sulfur dioxide in soda removal bitumen flue gas, and high-purity crystallized salt is obtained, not only desulfurization is abundant, and
The high-purity crystallized salt of by-product caused by desulfurization is processed, can get technical grade sulfuric acid salt or technical grade sulphite
Or the product mix of sulfate and sulphite, improve the economic value of the purification of bitumen flue gas.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic block diagram of asphalt smoke purifying system of the utility model.
In figure: 1, production system 2, storage device 3, mixing and absorption device 4, dust-extraction unit
5, feeding back device 6, desulfurizer 7, output device 11, calcining station
12, asphalt tank 13, ingredient station 14, kneading station 15, high temperature station
16, cool down station 17, main chimney flue 21, coke powder storage bin 22, new feed bin
23, with rear feed bin 31, VRI reactor 41, bag filter
51, storage warehouse 52, Pneumatic conveying pipeline 61, main air blower are expected after
62, desulfurizing tower 63, desulfurization pond 71, chimney
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model
It encloses.
As shown in Figure 1, a kind of asphalt smoke purifying system, comprising:
Production system 1 carries out calcining to raw petroleum coke and obtains calcined coke powder, and part calcined coke powder is exported to storing and is filled
Set 2；After mold base is made in calcined coke powder and pitch progress kneading by production system 1, high-temperature roasting is carried out to the mold base, then to the mould
Embryo carries out cooling and finished product is made；Production system 1 will generate bitumen flue gas, glance coal when carrying out high-temperature roasting and cooling to mold base
Gas will summarize to main chimney flue 17；
Storage device 2, for storing and exporting calcined coke powder；
Mixing and absorption device 3 is connect to receive calcined coke powder with storage device 2, mixing and absorption device 3 also with main chimney flue 17
Connection is to receive bitumen flue gas；After mixing and absorption device 3 is sufficiently mixed calcined coke powder and bitumen flue gas, calcined coke powder will
Volatile matter in bitumen flue gas is adsorbed and is formed with rear coke powder, bitumen flue gas, which is formed due to will be after volatile matter is adsorbed, to be contained
Sulphur gas；
Dust-extraction unit 4 is connect to receive and be mixed by the low toxicity formed with rear coke powder and sulfurous gas with mixing and absorption device
Object；Being separated with rear coke powder and sulfurous gas in 4 pairs of dust-extraction unit less toxic mixtures, using in rear coke powder and sulfurous gas
Dust particle be deposited in dust-extraction unit 4 and sulfurous gas be discharged；
Feeding back device 5 is connect to receive with rear coke powder and dust particle with dust-extraction unit 4；Feeding back device 5 also with storage
Expect that device 2 connects, and will be exported with rear coke powder and dust particle to storage device 2；Storage device 2 will use rear coke powder and powder
Dirt particulate matter is exported to production system 1, and production system 1 will carry out kneading with rear coke powder, dust particle, calcined coke powder and pitch
After mold base is made, high-temperature roasting is carried out to the mold base, then cooling is carried out to the mold base, finished product is made；Production system 1 is to mold base
Bitumen flue gas will be generated when carrying out high-temperature roasting and cooling and is summarized to main chimney flue 17, and main chimney flue 17 again leads to the bitumen flue gas
The output of main chimney flue 17 is crossed to mixing and absorption device 3；
Desulfurizer 5 is connect to receive sulfurous gas with dust-extraction unit 4, and for removing the intracorporal titanium dioxide of sour gas
Sulphur generates non-toxic gas；
Output device 7 is connect with desulfurizer 5 to receive non-toxic gas, and non-toxic gas is discharged outside to.
Specifically, production system 1 includes calcining station 11, asphalt tank 12, ingredient station 13, kneading station 14, high temperature work
Position 15 and cooling station 16；
Calcining station 11 is used to store pitch for calcining raw petroleum coke and obtaining calcined coke powder, asphalt tank 12,
Calcining station 11 and asphalt tank 12 are connect with ingredient station 13 respectively, and kneading station 14 is connect with ingredient station 13, ingredient station
13 for receiving calcined coke powder and pitch, and exports after mixing to calcined coke powder and pitch to kneading station 14, kneading work
The 14 pairs of mixed calcined coke powder in position and pitch carry out kneading and mold base are made；Calcining station 11 is also connect with storage device 2, is used
In to storage device 2 export calcined coke powder；
High temperature station 15 is connect with cooling station 16, and cooling station 16 is connect with main chimney flue 17, and high temperature station 15 is to mold base
After carrying out high-temperature roasting, mold base is exported to cooling station 16, cooling station 16 cools down to mold base and finished product is made.
Further, storage device 2 includes coke powder storage bin 21, and coke powder storage bin 21 connect with calcining station 11, is used for
Receive calcined coke powder；Coke powder storage bin 21 is also connect with ingredient station 13, for exporting to ingredient station 13 with rear coke powder and powder
Dirt particulate matter；
Coke powder storage bin 21 include new feed bin 22 and use rear feed bin 23, new feed bin 22 with calcine station 11 connect, for depositing
Calcined coke powder is put and exported, is connect with rear feed bin 23 with ingredient station 13, for storing and exporting with rear coke powder and dust particles
Object.
Further, mixing and absorption device 3 includes VRI reactor 31, the charging of coke powder storage bin 21 and VRI reactor 31
Mouth connection, and calcined coke powder is exported to VRI reactor 31, the gas input port of VRI reactor 31 is connect with main chimney flue 17, total cigarette
Road 17 exports bitumen flue gas to VRI reactor 31, and the gas delivery port of VRI reactor 31 is connect with dust-extraction unit 4；VRI reaction
After device 31 is sufficiently mixed calcined coke powder and bitumen flue gas, calcined coke powder will adsorb the volatile matter in bitumen flue gas
And formed with rear coke powder, bitumen flue gas form sulfurous gas due to will be after volatile matter is adsorbed, will with rear coke powder and sulfurous gas
It is mixed to form less toxic mixture；Wherein, VRI reactor 31 is connect with new feed bin 22, and new feed bin 22 exports calcined coke powder to VRI
In reactor 31.
Further, dust-extraction unit 4 includes bag filter 41；The input port of bag filter 41 and VRI reactor 31
Gas delivery port connection, to receive less toxic mixture, 41 pairs of bag filter less toxic mixtures are separated, and use rear coke powder
It is deposited in bag filter 41 with the intracorporal dust particle of sour gas and sulfurous gas is discharged.
Further, feeding back device 5 includes expecting storage warehouse 51 and Pneumatic conveying pipeline 52 after using, expect after storage warehouse 51 with
Bag filter 41 connects, and bag filter 41 will expect storage warehouse 51 after being exported with rear coke powder and dust particle to use of precipitating
It is interior, expect that storage warehouse 51 connects behind one end of Pneumatic conveying pipeline 52 and use, the other end and coke powder storing of Pneumatic conveying pipeline 52
Storehouse 21 connects, and Pneumatic conveying pipeline 52 will be transported to coke powder storing with rear coke powder and dust particle in rear material storage warehouse 51
In storehouse 21, wherein Pneumatic conveying pipeline 52 is connect with rear feed bin 23, and Pneumatic conveying pipeline 52 will be in rear material storage warehouse 51
Be transported to rear coke powder and dust particle in rear feed bin 23, with rear feed bin 23 will be exported with rear coke powder and dust particle to
Ingredient station 13；
After mold base will be made with rear coke powder, dust particle, calcined coke powder and pitch progress kneading in ingredient station 13, by height
Warm station 15 carries out high-temperature roasting to the mold base, then carries out cooling to the mold base by low temperature station and finished product is made；Low temperature station exists
Bitumen flue gas will be generated when cooling down to mold base again, which is exported to mixing and absorption fill again by production system 1
Set 3.
Further, desulfurizer 5 includes main air blower 61, desulfurizing tower 62 and desulfurization pond 63；
The input port of main air blower 61 and the sulfur-bearing of bag filter 41 are exported and are connected, the delivery outlet and desulfurizing tower of main air blower 61
62 input port connection, the bottom of desulfurizing tower 62 is connected to desulfurization pond 63；
Main air blower 61 exports sulfurous gas out of bag filter 41 to desulfurizing tower 62, and desulfurizing tower 62 is to sour gas
Body carries out desulfurization, obtains non-toxic gas and high-purity crystallized salt；The delivery outlet of desulfurizing tower 62 is connect with output device 7.
Preferably, output device 7 includes chimney 71, and the delivery outlet of desulfurizing tower 62 is connect with the input port of chimney 71, chimney
71 delivery outlet is located at the top of chimney 71, and desulfurizing tower 62 exports non-toxic gas to chimney 71, and passes through the output of chimney 71
Mouth is exported to the external world.
A kind of bitumen flue gas purifying method, comprising the following steps:
S1. operation calcining station 11 is for calcining raw petroleum coke and obtaining calcined coke powder, while operating calciner
Position 11 and asphalt tank 12 make to calcine station 11 and asphalt tank 12 to the output calcined coke powder of ingredient station 13 and pitch；
Operation ingredient station 13 mixes it to calcined coke powder and pitch, and calcined coke powder and pitch are exported to mixed
Pinch station 14；
Operation kneading station 14 carries out kneading to mixed calcined coke powder and pitch and mold base is made；Mold base is placed on
In high temperature station 15, high temperature station 15 is made to carry out high-temperature roasting to mold base；Operating high temperature station 15 again makes mold base from high temperature station
15 export to cooling station 16, and operation cooling station 16 makes cooling station 16 be cooled down to mold base and finished product is made；At this point,
The bitumen flue gas that mold base generates after high-temperature roasting and cooling will summarize from high temperature station 15 and cooling station 16 to main chimney flue 17；
S2. operation calcining station 11 exports the part calcined coke powder for calcining station 11 to new feed bin 22；By main chimney flue
17 bitumen flue gas is output to VRI reactor 31, while operating new feed bin 22 exports new feed bin 22 into VRI reactor 31
Calcined coke powder, after VRI reactor 31 is sufficiently mixed calcined coke powder and bitumen flue gas, calcined coke powder will be in bitumen flue gas
Volatile matter adsorbed and formed with rear coke powder, bitumen flue gas form sulfurous gas due to will be after volatile matter is adsorbed, after
Coke powder and sulfurous gas will be mixed to form less toxic mixture；
S3. operation bag filter 41 receives less toxic mixture, and 41 pairs of bag filter less toxic mixtures separate, make
It is deposited in bag filter 41 with rear coke powder and the intracorporal dust particle of sour gas and sulfurous gas is discharged；
S4. storage warehouse 51 is expected after precipitating is output to use with rear coke powder and dust particle by operation bag filter 41
Interior, operation Pneumatic conveying pipeline 52 will be with being transported to rear coke powder and dust particle with rear feed bin 23 in rear material storage warehouse 51
It is interior, it will be exported with rear coke powder and dust particle to ingredient station 13 with rear feed bin 23；
After mold base will be made with rear coke powder, dust particle, calcined coke powder and pitch progress kneading in ingredient station 13, by height
Warm station 15 carries out high-temperature roasting to the mold base, then carries out cooling to the mold base by low temperature station and finished product is made；At this point, mold base passes through
The bitumen flue gas generated after high-temperature roasting and cooling will summarize from high temperature station 15 and cooling station 16 to main chimney flue 17 again,
Production system 1 is again exported the bitumen flue gas to mixing and absorption device 3 by main chimney flue 17；
S5. operation main air blower 61 exports main air blower 61 to desulfurizing tower 62 sulfurous gas out of bag filter 41,
Desulfurizing tower 62 carries out desulfurization to sulfurous gas, obtains non-toxic gas and high-purity crystallized salt；Desulfurizing tower 62 exports non-toxic gas
To chimney 71, and exported by the delivery outlet of chimney 71 to the external world.
Preferably, in S4, high temperature tooling will be to made of rear coke powder, dust particle, calcined coke powder and pitch
Mold base carries out high-temperature roasting, dust particle in mold base and with the adsorbed volatile matter of rear coke powder will due to high-temperature roasting,
And it is burned and forms carbon dioxide and vapor and be discharged outside to；
In S5, be provided with desulfurizing agent in desulfurizing tower 62, the intracorporal sulfur dioxide of sour gas by with the sodium in desulfurizing tower 62
Alkali reaction generates the mixed solution of sulfate liquor or sulfite solution or sulfate and sulphite, and sulfate is molten
Sodium sulphate in the mixed solution of liquid or sulfite solution or sulfate and sulphite, which is precipitated, obtains high-purity crystallized salt,
That is the mixture of high-purity sulfuric acid salt or high-purity sulphite or high-purity sulfuric acid salt and sulphite；
By the mixed solution of sulfate liquor or sulfite solution or sulfate and sulphite in desulfurizing tower 62
In output to desulfurization pond 63, and will be in the mixed solution of sulfate liquor or sulfite solution or sulfate and sulphite
Sodium sulphate the mixing for obtaining high-purity sulfuric acid salt or high-purity sulphite or high-purity sulfuric acid salt and sulphite is precipitated
Object；The mixture of high-purity sulfuric acid salt or high-purity sulphite or high-purity sulfuric acid salt and sulphite to precipitation is successively
It is concentrated, is centrifuged and dried, the mixing of technical grade sulfuric acid salt or technical grade sulphite or sulfate and sulphite is made
Product.
It is many-sided that the technical program can solve volatile matter, sulfur dioxide and dust particle in bitumen flue gas simultaneously
Environmentally friendly output problem, improve the clean-up effect and purification efficiency of bitumen flue gas；
Effective use calcined coke powder adsorbs volatile matter, and carries out high temperature roasting by the high temperature station of production system
It burns, generates water and carbon dioxide, avoid generating secondary pollution；Meanwhile the collection of calcined coke powder is simple, therefore installed capacity and place
It manages efficiency not constrained by flue gas magnitude, there is general applicability in carbon product industry；
It is conveyed to rear coke powder and dust particle whole process using air-tight manner using Pneumatic conveying pipeline, on the way not
Generate fugitive dust, effective protection plant environment；
Using the sulfur dioxide in soda removal bitumen flue gas, and high-purity crystallized salt is obtained, not only desulfurization is abundant, and
The high-purity crystallized salt of by-product caused by desulfurization is processed, can get technical grade sulfuric acid salt or technical grade sulphite
Or the product mix of sulfate and sulphite, improve the economic value of the purification of bitumen flue gas.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (8)
1. a kind of asphalt smoke purifying system characterized by comprising
Production system carries out calcining to raw petroleum coke and obtains calcined coke powder, and part calcined coke powder is exported to storage device；Institute
Production system is stated to carry out calcined coke powder and pitch to carry out high-temperature roasting to the mold base, then to the mold base after mold base is made in kneading
It carries out cooling and finished product is made；The production system will generate bitumen flue gas, pitch when carrying out high-temperature roasting and cooling to mold base
Flue gas will summarize to main chimney flue；
Storage device, for storing and exporting calcined coke powder；
Mixing and absorption device is connect to receive calcined coke powder with the storage device, the mixing and absorption device also with it is described total
Flue is connected to receive bitumen flue gas；After the mixing and absorption device is sufficiently mixed calcined coke powder and bitumen flue gas, forge
Coke powder will adsorb the volatile matter in bitumen flue gas and be formed with rear coke powder afterwards, and the bitumen flue gas will be inhaled because of volatile matter
It is attached and form sulfurous gas；
Dust-extraction unit is connect to receive and be mixed by the low toxicity formed with rear coke powder and sulfurous gas with the mixing and absorption device
Object；The dust-extraction unit uses rear coke powder and sour gas to being separated in less toxic mixture with rear coke powder and sulfurous gas
Intracorporal dust particle is deposited in dust-extraction unit and sulfurous gas is discharged；
Feeding back device is connect to receive with rear coke powder and dust particle with the dust-extraction unit；The feeding back device also with institute
Storage device connection is stated, and is exported described with rear coke powder and dust particle to the storage device；The storage device will
It is described to be exported with rear coke powder and dust particle to the production system, the production system will with rear coke powder, dust particle,
After mold base is made in calcined coke powder and pitch progress kneading, high-temperature roasting is carried out to the mold base, then cooling is carried out to the mold base and is made
Finished product；The production system will generate bitumen flue gas when carrying out high-temperature roasting and cooling to mold base and summarize to main chimney flue, institute
Main chimney flue is stated again to export the bitumen flue gas to the mixing and absorption device by main chimney flue；
Desulfurizer is connect to receive sulfurous gas with the dust-extraction unit, and for removing the intracorporal sulfur dioxide of sour gas
Generate non-toxic gas；
Output device is connect with the desulfurizer to receive non-toxic gas, and non-toxic gas is discharged outside to.
2. a kind of asphalt smoke purifying system according to claim 1, which is characterized in that the production system includes calcining
Station, asphalt tank, ingredient station, kneading station, high temperature station and cooling station；
The calcining station is used to store pitch for calcining raw petroleum coke and obtaining calcined coke powder, the asphalt tank,
The calcining station and asphalt tank are connect with the ingredient station respectively, and the kneading station is connect with the ingredient station, institute
Ingredient station is stated for receiving calcined coke powder and pitch, and is exported after being mixed to the calcined coke powder and pitch to described mixed
Station is pinched, the kneading station carries out kneading to mixed calcined coke powder and pitch and mold base is made；The calcining station is also
It is connect with storage device, for exporting calcined coke powder to the storage device；
The high temperature station with cooling station connect, cool down station connect with main chimney flue, the high temperature station to the mold base into
After row high-temperature roasting, the mold base is exported to the cooling station, the cooling station is cooled down and made to the mold base
At finished product.
3. a kind of asphalt smoke purifying system according to claim 2, which is characterized in that the storage device includes coke powder
Storage bin, the coke powder storage bin is connect with the calcining station, for receiving calcined coke powder；The coke powder storage bin also with institute
The connection of ingredient station is stated, for exporting to the ingredient station with rear coke powder and dust particle；
The coke powder storage bin includes new feed bin and with rear feed bin, and the new feed bin is connect with the calcining station, for storing
It is described to be connect with rear feed bin with the ingredient station with output calcined coke powder, for storing and exporting with rear coke powder and dust
Grain object.
4. a kind of asphalt smoke purifying system according to claim 3, which is characterized in that the mixing and absorption device includes
VRI reactor, the coke powder storage bin are connect with the feed inlet of the VRI reactor, and to the VRI reactor output forge after
The gas input port of coke powder, the VRI reactor is connect with the main chimney flue, and the main chimney flue is exported to the VRI reactor
The gas delivery port of bitumen flue gas, the VRI reactor is connect with the dust-extraction unit；The VRI reactor is to calcined coke powder
After being sufficiently mixed with bitumen flue gas, calcined coke powder will adsorb the volatile matter in bitumen flue gas and be formed burnt after use
Powder, the bitumen flue gas will form sulfurous gas because volatile matter is adsorbed afterwards, described to be mixed with rear coke powder and sulfurous gas
Form less toxic mixture；Wherein, the VRI reactor is connect with the new feed bin, the new feed bin by calcined coke powder export to
In the VRI reactor.
5. a kind of asphalt smoke purifying system according to claim 4, which is characterized in that the dust-extraction unit includes cloth bag
Deduster；The input port of the bag filter is connect with the gas delivery port of the VRI reactor, to receive low toxicity mixing
Object, the bag filter separate the less toxic mixture, use rear coke powder and the intracorporal dust particle of sour gas
It is deposited in bag filter and sulfurous gas is discharged.
6. a kind of asphalt smoke purifying system according to claim 5, which is characterized in that the feeding back device includes after using
Expect storage warehouse and Pneumatic conveying pipeline, material storage warehouse is connect with the bag filter after the use, and the bag filter will
Expect in storage warehouse after being exported with rear coke powder and dust particle to the use of precipitating, one end of the Pneumatic conveying pipeline and institute
Material storage warehouse connects after stating use, and the other end of the Pneumatic conveying pipeline is connect with the coke powder storage bin, the pneumatic conveying
Pipeline expects being transported in coke powder storage bin in storage warehouse with rear coke powder and dust particle for described after, wherein the gas
Power conveyance conduit is connect with described with rear feed bin, the Pneumatic conveying pipeline by expect after the use in storage warehouse with rear coke powder and
Dust particle is transported to in rear feed bin, is exported with rear coke powder and dust particle to the ingredient work with rear feed bin by described
Position；
After mold base will be made with rear coke powder, dust particle, calcined coke powder and pitch progress kneading in the ingredient station, by described
High temperature station carries out high-temperature roasting to the mold base, then carries out cooling to the mold base by low temperature station and finished product is made；The low temperature work
Position will generate bitumen flue gas when cooling down to mold base again, and the production system again exports the bitumen flue gas to described
Mixing and absorption device.
7. a kind of asphalt smoke purifying system according to claim 6, which is characterized in that the desulfurizer includes main wind
Machine, desulfurizing tower and desulfurization pond；
The sulfur-bearing of the input port of the main air blower and the bag filter, which exports, to be connected, the delivery outlet of the main air blower with it is described
The input port of desulfurizing tower connects, and the bottom of the desulfurizing tower is connected to the desulfurization pond；
The main air blower exports the sulfurous gas out of bag filter to the desulfurizing tower, and the desulfurizing tower is to described
Sulfurous gas carries out desulfurization, obtains non-toxic gas and high-purity crystallized salt；The delivery outlet of the desulfurizing tower and the output device
Connection.
8. a kind of asphalt smoke purifying system according to claim 7, which is characterized in that the output device includes cigarette
Chimney, the delivery outlet of the desulfurizing tower are connect with the input port of the chimney, and the delivery outlet of the chimney is located at the top of chimney, institute
It states desulfurizing tower to export non-toxic gas to chimney, and is exported by the delivery outlet of chimney to the external world.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821051528.1U CN208959617U (en) | 2018-07-02 | 2018-07-02 | A kind of asphalt smoke purifying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821051528.1U CN208959617U (en) | 2018-07-02 | 2018-07-02 | A kind of asphalt smoke purifying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208959617U true CN208959617U (en) | 2019-06-11 |
Family
ID=66748362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821051528.1U Active CN208959617U (en) | 2018-07-02 | 2018-07-02 | A kind of asphalt smoke purifying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208959617U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744935A (en) * | 2018-07-02 | 2018-11-06 | 内蒙古深工环境治理技术有限公司 | A kind of asphalt smoke purifying system and purification method |
-
2018
- 2018-07-02 CN CN201821051528.1U patent/CN208959617U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744935A (en) * | 2018-07-02 | 2018-11-06 | 内蒙古深工环境治理技术有限公司 | A kind of asphalt smoke purifying system and purification method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101637685B (en) | Comprehensive treatment method of sulfur-containing flue gas | |
| WO2016192274A1 (en) | Flue gas treatment device and method | |
| CN108176204A (en) | Flue gas and desulfurizing and denitrifying integrated purification system and purification method | |
| CN108744935A (en) | A kind of asphalt smoke purifying system and purification method | |
| CN208959617U (en) | A kind of asphalt smoke purifying system | |
| CN102068887B (en) | Inhibitor addition-based desulfurizing method in iron ore sintering process | |
| CN107243250A (en) | A kind of ultrahigh concentration SO2Flue gas low-discharging high-efficient desulfurization dust-removing technique and device | |
| CN110306037A (en) | A kind of device and method of high-sulfur bauxite suspension roasting oxidation sweetening | |
| CN207056325U (en) | A kind of ultrahigh concentration SO2Flue gas low-discharging high-efficient desulfation dust-extraction device | |
| CN108261913A (en) | A kind of magnesia semi-dry desulfurizing process and system | |
| CN206295788U (en) | Flue gas dry desulfurizing equipment based on sodium acid carbonate | |
| CN205628885U (en) | A calcine production line for recovery processing electrolytic manganese slag | |
| CN116440687A (en) | Purifying method and treating system for tail gas containing asphalt smoke | |
| CN107433120A (en) | A kind of steel mill flue gas ultrasonic wave desulfurization and dust-removal method | |
| CN111450659A (en) | Active coke dry method desulfurization device and process for flue gas | |
| CN102921291A (en) | Novel integrated device for tempering and desulphurizing smoke of glass smelting kiln by utilizing dry method | |
| CN110975554A (en) | Method for flue gas desulfurization of lime rotary kiln by using kiln tail ash | |
| CN109569260B (en) | Circulating fluidized bed boiler flue gas desulfurization device and process | |
| CN202893179U (en) | Novel flue gas dry-method conditioning desulphurization integrated device for glass melting furnace | |
| CN209490689U (en) | Flue gas dry desulfurizing denitrification apparatus | |
| CN208254251U (en) | A kind of desulphurization system of agglomeration for iron mine flue gas | |
| CN208145753U (en) | A kind of desulfurizer of purifying carbon dioxide | |
| CN203346074U (en) | High-temperature reaction converter for producing industrial sodium sulfide | |
| CN206660931U (en) | Light baking kiln ceramic multi-tube cyclone dust collectors humidify method composite dedusting desulfuring and denitrifying apparatus | |
| CN202893146U (en) | Novel flue gas conditioning device for glass melting furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190708 Address after: Room 1284, Building No. 339, 1035 Lane, Qilian Mountain Road, Putuo District, Shanghai, 2003 Patentee after: Shanghai lead Environmental Technology Co., Ltd. Address before: 014030 the Inner Mongolia Autonomous Region Baotou Baotou Rare Earth High-tech Zone Business Park Software Park D103 Patentee before: Inner Mongolia deep industrial environment control technology Co., Ltd. |
|
| TR01 | Transfer of patent right |