CN105688598B - For the adsorption method and entity clarifier of asphalt flue gas purifying - Google Patents
For the adsorption method and entity clarifier of asphalt flue gas purifying Download PDFInfo
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- CN105688598B CN105688598B CN201511013162.XA CN201511013162A CN105688598B CN 105688598 B CN105688598 B CN 105688598B CN 201511013162 A CN201511013162 A CN 201511013162A CN 105688598 B CN105688598 B CN 105688598B
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- Prior art keywords
- flue gas
- adsorbent
- clarifier
- entity
- filter bag
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/06—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
- B01D46/60—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel arranged concentrically or coaxially
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention belongs to environmental protection technical fields, and in particular to be a kind of adsorption method that can be used to asphalt flue gas purifying and entity clarifier.In order to solve to influence to come using absorption method the restrictive barrier of asphalt flue gas purifying at present, the telecontrol equipment that can actively shed adsorbent is installed in the clarifier for being equipped with filter bag, after bitumen flue gas carries out adsorption cleaning in the three-dimensional adsorbent dirt field of active self-excitation, and the adsorption cleaning mode twice adsorbed again by filter bag.Beneficial effects of the present invention: from the occupied area that while high-efficient purification bitumen flue gas, solves using absorption method is excessive and the adsorption capacity of adsorbent material is using uneven, and inclement condition and the problems such as excessive labor intensity when replacement adsorbent.
Description
Technical field
The invention belongs to environmental protection technical fields, and in particular to be a kind of adsorption method and reality for asphalt flue gas purifying
Body clarifier.
Background technique
The industries such as bitumen flue gas is building materials, build the road, coking, carbon produce in operation or production process because using pitch
Raw and volatilization gas.Bitumen flue gas is brown color in appearance, and when burning is in brown black, and there is nose of choking to choke the severe thorn of throat
Swash smell.It is certain except having to animals and plants except multiring aromatic hydrocarbon substances such as contained phenols, anthracene naphthalenes, benzopyrenes in exhaust gas components
Outside the harmfulness of degree, 3.4 BaP therein more has carcinogenesis to the mankind.
In order to protect the health of operator and prevent bitumen flue gas from polluting atmospheric environment, to the purification treatment of bitumen flue gas
Many technical methods are used.Wherein, physisorphtion (referred to as: absorption method) is exactly one of applied method.It answers at present
Be with the clarifier working method of the method: , Shop sets certain thickness to the horizontal silk screen (also referred to as: adsorbent bed) being arranged in clarifier above
The active material of degree does adsorbent layer, introduces bitumen flue gas and extends there through as adsorbate, according to physics in crossing process
Solid gas two-phase absorption principle is realized to bitumen flue gas adsorption cleaning.Since the purification process of this absorption method is intuitive, and
The advantages that investment and operating cost are again all relatively small, and purification efficiency is high has been affirmed in the industry, but actual use really receives
Certain restriction.The reason is that since adsorbent is to pave on horizontal silk screen, and the traverse velocity of bitumen flue gas is very
It is small, under the absorption mode of this passivity, and the deficiency for three main aspects drawn.First deficiency is due to adsorbent bed
Area it is too big, and then cause clarifier occupied area excessive.Second deficiency is the adsorption capacity of adsorbent above and below adsorption layer
Use serious unevenness.Third is particularly problematic, had both replaced adsorbent and has occupied that the off-time is too long, replacement adsorbent labour is strong
Degree is big and operating condition is again relatively severe.
In order to solve the problems, such as these deficiencies, although taking some quantity for increasing adsorption layer in order to reduce land occupation, improve
The terms of employment and degree of protection of adsorbent personnel are replaced, or even take the mode of the using and the reserved come when reducing halt production clarifier
Between etc. methods.But it also can not fundamentally solve these restrictive barriers.
Summary of the invention
The present invention carrys out the restrictive barrier of asphalt flue gas purifying in order to solve influence at present using absorption method, and realization pushes away the method
Broad-spectrum and application purpose.
The present invention adopts the following technical scheme that realization:
A kind of entity clarifier for asphalt flue gas purifying, being equipped in the clarifier for being equipped with filter bag can be by adsorbent
The telecontrol equipment actively shed.
The telecontrol equipment is train, and train installs one group or array.Preferably, train includes driving wheel, driving wheel
It is upper to raise plate equipped with shovel.Preferred train includes driving wheel, follower and flexible-belt, and shovel is housed on flexible-belt and raises plate.Flexible-belt
It is rubber strip, conveyer belt, chain or steel wire.
The clarifier has clarifier shell, has bitumen flue gas entrance, adsorbent entrance, net gas to go out on clarifier shell
Mouthful, adsorbent outlet and pressure tap, the clarifier outer casing bottom is pyramidal structure, and pyramidal structure side is from bitumen flue gas
Entrance installs telecontrol equipment at adsorbent outlet, and vibration device, bitumen flue gas entrance top are installed in the other side of pyramidal structure
For filter bag, bitumen flue gas entrance is equipped with gas averaging board.
Adsorbent is subject to actively inspired shed to form three-dimensional adsorbent by a kind of adsorption method for asphalt flue gas purifying
Dirt field carries out the first time adsorption cleaning of gas-particle two-phase when bitumen flue gas is during passing through this adsorbent dirt field；Then exist
Under the action of pressure difference, exhaust gas flow direction filter bag, filter bag carries out second adsorption purification in passing through.Bitumen flue gas is after gas averaging board
Speed be 1.2-1.8m/s, adsorbent sheds concentration in 50-120g/m3In range, the rate of filtration of filter bag is in 0.8-
Within 1.5m/min.
The passive use pattern of present adsorbent is changed by the present invention, is installed using in the clarifier for being equipped with filter bag
Telecontrol equipment, by adsorbent be subject to it is actively inspired shed, be allowed to while forming a three-dimensional adsorbent dirt field, will also generate
Dust extension be attached on filter bag inner surface, when bitumen flue gas pass through this absorption dirt field during, realize gas in space
Gu the first time adsorption cleaning of two-phase.Then under the action of pressure difference, exhaust gas flow direction filter bag, and filter bag is attached to extension in passing through
Dust on surface has carried out second of adsorption cleaning, and then realizes the high-efficient purification to bitumen flue gas.
The present invention has the following beneficial effects: that this solid by bitumen flue gas in active self-excitation is adsorbed compared with the prior art
The mode method of adsorption cleaning is carried out in agent dirt field.It is to carry out in space since adsorbent is in contact with the two of bitumen flue gas,
So in terms of the occupied area of clarifier, by far smaller than current Planar adsorbent bed mode.Again due to the inspired of adsorbent
Shed is in random and unordered middle progress, so that the adsorption capacity utilization rate of adsorbent material has been reached consistent again.As long as in addition,
Adsorbent dress, the discharge port of clarifier are opened, the adsorbent just trickling discharge under the action of self-weight in clarifier both realized
Replacement to adsorbent, so changing replacement operation environment and condition completely, and then the labor intensity of personnel is also thoroughly able to
Mitigate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the entity clarifier for asphalt flue gas purifying,
In figure: 1. bitumen flue gas entrances, 2. gas averaging boards, 3. clarifier shells, 4. trains, 5. flexible-belts, 6. shovels raise plate, and 7.
Adsorbent outlet, 8. vibration devices, 9. adsorbent entrances, 10. filter bags, 11. pressure taps, 12. net gas outlets.
Specific embodiment
The present invention is described further below with reference to structural schematic diagram:
For the entity clarifier of asphalt flue gas purifying, being equipped in the clarifier for being equipped with filter bag can be by adsorbent actively
The telecontrol equipment shed.The telecontrol equipment being mounted in clarifier is train, and train installs one group or array.Train include it is main,
Taken turns and flexible-belt and flexible-belt on shovel raise plate composition.Flexible-belt can be rubber strip, conveyer belt, chain, steel wire.Or wheel
System includes driving wheel, and shovel is housed on driving wheel and raises plate.The driving wheel of train by casing outside motor drive, and can be according to required
The size of adsorbent solid dirt field concentration, the revolving speed corresponding to motor are realized.
The clarifier has clarifier shell 3, there is bitumen flue gas entrance 1, adsorbent entrance 9, net on clarifier shell 3
Gas outlet 12, adsorbent outlet 7 and pressure tap 11,3 bottom of clarifier shell are pyramidal structure, pyramidal structure side
Telecontrol equipment is installed at adsorbent outlet 7 from bitumen flue gas entrance 1, vibration device 8, pitch are installed in the other side of pyramidal structure
It is filter bag 10 above smoke inlet 1, bitumen flue gas entrance 1 is equipped with gas averaging board 2.
For the adsorption method of asphalt flue gas purifying, telecontrol equipment is installed using in the clarifier for being equipped with filter bag, will be inhaled
Attached dose be subject to it is actively inspired shed, be allowed to while forming a three-dimensional adsorbent dirt field, be also attached to the dust extension of generation
In filter bag surface, when bitumen flue gas pass through this absorption dirt field during, both realized the first of gas-particle two-phase in space
Secondary adsorption cleaning.Then under the action of pressure difference, exhaust gas flow direction filter bag, and it is attached to by extension in passing through the dust in filter bag surface
Second of adsorption cleaning is carried out.It is formed by the size of adsorbent (dust) concentration of three-dimensional adsorbent dirt field, tune can be passed through
The revolution of driving wheel is saved to realize.Bitumen flue gas is 1.2-1.8m/s in the speed after gas averaging board, and shedding for adsorbent is dense
Degree is in 50-120g/m3In range, the rate of filtration of filter bag is within 0.8-1.5m/min.
For the first time in use, adsorbent is encased in clarifier from adsorbent entrance 9, and it is packed into height and is meeting absorption institute
With rear, start train 4 and flexible-belt (such as: adhesive tape, conveyer belt, chain, steel wire) 5 is driven to move, several shovels on flexible-belt 4 are raised
Plate 6 just constantly sheds adsorbent inspired, thus while forming dirt field, and will have a certain amount of adsorbent (dust) extension
It is attached on the inner surface of filter bag 10, after adsorbent (dust) thickness on filter bag 10, which reaches, to be stablized, bitumen flue gas is i.e. by pitch
Smoke inlet 1 enters, and is adjusted to uniform speed airflow through gas averaging board 2, carries out two-phase during the motion with the inspired dirt field of adsorbent
Absorption, while moving under differential pressure action to filter bag 10, when dust layer when passing through on 10 surface of filter bag, are purified again again.
After proceeding to a period of time, the conglomeration dust to fall off from filter bag drops back into lower part in Gravitative Loads again, the suction fallen with dirt field
Attached dose merges in orlop, then inspired by shedding repeatedly again, until adsorption cleaning stops.In order to keep the pneumatic resistance of clarifier
Power is stablized, and can start the vibration device 8 being mounted on clarifier shell 3 when needed to clarifier vibration beating, be allowed to large stretch of
Conglomeration dust falls off from filter bag, to realize the purpose for reducing aerodynamic drag.Purified tail gas exports 12 rows by net gas
Out.And when replacing adsorbent, adsorbent is then discharged by adsorbent outlet 7, and pressure tap 11 is used to measure the pressure of clarifier and atmosphere
Power difference.
Example: Jilin Province, charcoal ink factory, Jiaohe City was dried in the air in the past using double layer planar absorption bed clarifier to administer molding
The bitumen flue gas of material machine, purified concentration of emission are 50mg/m3Below.But occupied area (contains necessary maintenance face
Product) reach 45M2,, in processing flue gas flow 3000M3When/H, focusing carbon adsorbent will be replaced weekly once, and when replacement need to stop production 6 small
When, and want continual work continuously of four people that can complete.And after applying the present invention, occupied area (contains necessary maintenance
Area) it is only 18M2Though also replacement is primary weekly for carbon adsorbent of focusing, a people is only needed to manipulate adsorbent when replacing
Dress, discharge port valve can be completed shutting down in 15 minutes.
Claims (4)
1. a kind of entity clarifier for asphalt flue gas purifying, it is characterised in that being equipped in the clarifier for being equipped with filter bag can
The telecontrol equipment that adsorbent is actively shed, the telecontrol equipment are train, and train installs one group or array, the purification
Device has clarifier shell (3), there is bitumen flue gas entrance (1), adsorbent entrance (9), the outlet of net gas on clarifier shell (3)
(12), adsorbent outlet (7) and pressure tap (11), clarifier shell (3) bottom are pyramidal structure, pyramidal structure one
Side installs telecontrol equipment at adsorbent outlet (7) from bitumen flue gas entrance (1), and vibration device is installed in the other side of pyramidal structure
It (8), is filter bag (10) that bitumen flue gas entrance (1) is equipped with gas averaging board (2) above bitumen flue gas entrance (1).
2. the entity clarifier according to claim 1 for asphalt flue gas purifying, it is characterised in that train includes actively
It takes turns, raises plate equipped with shovel on driving wheel.
3. the entity clarifier according to claim 1 for asphalt flue gas purifying, it is characterised in that the train packet
Driving wheel, follower and flexible-belt are included, shovel is housed on flexible-belt and raises plate.
4. the entity clarifier according to claim 3 for asphalt flue gas purifying, it is characterised in that flexible-belt is rubber
Band, conveyer belt, chain or steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511013162.XA CN105688598B (en) | 2015-12-31 | 2015-12-31 | For the adsorption method and entity clarifier of asphalt flue gas purifying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511013162.XA CN105688598B (en) | 2015-12-31 | 2015-12-31 | For the adsorption method and entity clarifier of asphalt flue gas purifying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105688598A CN105688598A (en) | 2016-06-22 |
| CN105688598B true CN105688598B (en) | 2019-03-08 |
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ID=56225909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511013162.XA Active CN105688598B (en) | 2015-12-31 | 2015-12-31 | For the adsorption method and entity clarifier of asphalt flue gas purifying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105688598B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772096A (en) * | 2019-03-21 | 2019-05-21 | 武汉科技大学 | A kind of bitumen fume purifying device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077395A (en) * | 1992-04-14 | 1993-10-20 | 抚顺石油学院 | A kind of method of asphalt flue gas purifying |
| CN102728181A (en) * | 2012-07-23 | 2012-10-17 | 东南大学 | Fluidized bed jetting adsorbent smoke demercuration device and method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5538541A (en) * | 1995-04-03 | 1996-07-23 | On-Demand Environmental Systems Inc. | Apparatus and method for removing volatile organic compounds from an air stream |
| CN102716622B (en) * | 2012-07-06 | 2014-07-16 | 哈尔滨工业大学（威海） | Integrated bag-type dust removal and fluidized adsorption device |
| CN205517131U (en) * | 2016-02-24 | 2016-08-31 | 吉林工业职业技术学院 | Pitch gas cleaning ware |
-
2015
- 2015-12-31 CN CN201511013162.XA patent/CN105688598B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077395A (en) * | 1992-04-14 | 1993-10-20 | 抚顺石油学院 | A kind of method of asphalt flue gas purifying |
| CN102728181A (en) * | 2012-07-23 | 2012-10-17 | 东南大学 | Fluidized bed jetting adsorbent smoke demercuration device and method thereof |
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| Publication number | Publication date |
|---|---|
| CN105688598A (en) | 2016-06-22 |
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Effective date of registration: 20200106 Address after: Room 201-213, management committee, Tiangang Stone Industrial Park, Jiaohe City, Jilin Province Patentee after: Jiaohe Tianxiang Carbon Industry Co., Ltd Address before: 132013 No. 15, West Mt. Hengshan Road, Fengman District, Jilin, Jilin Patentee before: Jilin Vocational College of Industry and Technology |
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