CN107308770A - Dust arrester - Google Patents
Dust arrester Download PDFInfo
- Publication number
- CN107308770A CN107308770A CN201710740910.7A CN201710740910A CN107308770A CN 107308770 A CN107308770 A CN 107308770A CN 201710740910 A CN201710740910 A CN 201710740910A CN 107308770 A CN107308770 A CN 107308770A
- Authority
- CN
- China
- Prior art keywords
- dedusting
- sublayer
- dust arrester
- knoisphere
- wash tower
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/10—Combinations of devices covered by groups B01D45/00, B01D46/00 and B01D47/00
-
- 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
- B01D53/04—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 stationary adsorbents
-
- 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
- B01D53/14—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 absorption
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
-
- 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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- 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
- B01D53/26—Drying gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
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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)
Abstract
The present invention provides a kind of dust arrester, including：Gas wash tower and it is arranged on being used for inside the gas wash tower and removes the first of grit and sulfur dioxide and second remove knoisphere except knoisphere and for absorbing water droplet, wherein, described gas wash tower one end is provided with entrance, the other end is provided with outlet, waste gas enters the gas wash tower by the entrance, described first is sequentially passed through except knoisphere is removed after knoisphere with described second, is discharged through the outlet.Above-mentioned dust arrester is by first except knoisphere removes grit and sulfur dioxide, then the tiny drops of water carried in waste gas can be thoroughly removed except knoisphere absorbs water droplet by second, so as to obtain totally dry gas, phenomenon of the waste gas with water is avoided, the air quality of surrounding environment is effectively controlled.
Description
Technical field
The present invention relates to environmental technology field, more particularly to a kind of dust arrester.
Background technology
With the development of power electronics industrial technology, the production of all types of industries also swift and violent speed-raising therewith, so as to improve production
The technological level of product, the quality of product, the yield of production and efficiency etc. are imperative.But often paying attention to improve product
Technological level, quality, yield, efficiency etc. while just dash forward the emission problem omited to industrial waste gas.Such as in production enamel-covered wire
During, due to substantial amounts of organic solvent and solidfied material (Polyester Paint, polyesterimide etc.) can be used, by multiple dipping lacquer
After high temperature cure process, the volatilization of substantial amounts of organic matter and a small amount of solidfied material Pintsch process and the high-temp waste gas that produces, with strong
Strong smell, it is big containing solid-phase component, cream is easily tied, long term accumulation has explosive inflammable harmful feature, though through catalysis burning significantly
The content of energy consumption and organic gas is reduced, but the reason for be due to burning time and complicated exhaust gas constituents, waste gas is also easy to produce toluene,
Dimethylbenzene and non-methane hydrocarbon emission are exceeded, the strong gas with foreign flavor such as nitrogen-containing compound and carboxylic acids after also burning.These
Waste gas is not completely eliminated peculiar smell, brought to local air quality via being just directly thrown into after catalysis burning in atmosphere
Unfavorable factor, while bringing harmful effect to society, resident.Trigger local resident and manufacturing enterprise due to peculiar smell in air
There is what is heard when contradiction is.Therefore, a kind of emission-control equipment is needed badly, it is effective to be carried out to the waste gas produced in production process
Processing.
The content of the invention
The present invention provides a kind of dust arrester, can not be to being produced in production process to solve device of the prior art
The technical problem that waste gas is effectively treated.
The present invention provides a kind of dust arrester, it is characterised in that including：Gas wash tower and it is arranged on inside the gas wash tower
Be used to remove grit and sulfur dioxide first second remove knoisphere except knoisphere and for absorbing water droplet, wherein, the dedusting
Tower one end is provided with entrance, and the other end is provided with outlet, and waste gas enters the gas wash tower by the entrance, sequentially passes through described
First removes after knoisphere except knoisphere with described second, is discharged through the outlet.
Further, described second except knoisphere include the second dedusting sublayer, the second dedusting sublayer include be arranged in parallel
Flat board demister group and two demisters backwash modules, wherein, the flat board demister group is arranged on two demistings
Between device backwash module.
Further, described second except knoisphere include multiple the second dedusting sublayers be arrangeding in parallel.
Further, the nozzle of two demister backwash modules both faces towards the flat board demister group and set.
Further, flat board demister group includes two flat board demisters be arrangeding in parallel.
Further, described first the first dedusting sublayer and the 3rd dedusting sublayer that knoisphere includes be arrangeding in parallel are removed, it is described
First dedusting sublayer includes sieve plate, and the 3rd dedusting sublayer includes spraying layer, wherein, the first dedusting sublayer is arranged on institute
State between entrance and the 3rd dedusting sublayer, the nozzle of the spraying layer is set towards the first dedusting sublayer.
Further, described first removed including multiple the first dedusting sublayers and the described 3rd being arranged alternately except knoisphere
Dirt sublayer.
Further, equally distributed aperture, a diameter of 2cm to 3cm of the aperture are provided with the sieve plate.
Further, the inwall of the part edge of the spraying layer and the gas wash tower remains with gap.
Further, the edge of the sieve plate is each attached on the inwall of the gas wash tower, or the sieve plate part
The inwall at edge and the gas wash tower remains with gap.
The present invention provides a kind of dust arrester, by first except knoisphere removes grit and sulfur dioxide, then passes through second
Except knoisphere absorbs water droplet, the tiny drops of water carried in waste gas can be thoroughly removed, so as to obtain totally dry gas, it is to avoid waste gas
Phenomenon with water, is effectively controlled the air quality of surrounding environment.
Brief description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein：
The structural representation for the dust arrester that Fig. 1 provides for one embodiment of the invention；
The structural representation for the dust arrester that Fig. 2 provides for another embodiment of the present invention.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not drawn according to actual ratio.
Embodiment
Describe embodiments of the present invention in detail below with reference to drawings and Examples, whereby implementation personnel of the invention
Can fully understand how application technology means solve technical problem by the present invention, and reach technique effect implementation process and according to
The present invention is embodied according to above-mentioned implementation process.If it should be noted that do not constitute conflict, each embodiment in the present invention
And each feature in each embodiment can be combined with each other, the technical scheme formed protection scope of the present invention it
It is interior.
The structural representation for the dust arrester that Fig. 1 provides for one embodiment of the invention.As shown in figure 1, the present embodiment is provided
A kind of dust arrester, including：Gas wash tower 1 and it is arranged on being used for inside gas wash tower 1 and removes grit and the first of sulfur dioxide and removing
Knoisphere 2 and for absorb water droplet second remove knoisphere 3, wherein, the one end of gas wash tower 1 is provided with entrance 11, and the other end is provided with out
Mouth 12, waste gas enters gas wash tower 1 by entrance 11, first is sequentially passed through except knoisphere 2 and second is removed after knoisphere 3, through exporting 12 rows
Go out.
Specifically, the dust arrester in the present embodiment carries out dedusting using wet method, biomass dedusting is particularly used in.Waste gas
(waste gas can be to carry out the middle waste gas that dust removal process is crossed, or original waste gas through other equipment) entering by gas wash tower 1
Mouthfuls 11 enter in gas wash towers 1, then deviate from grit and sulfur dioxide in waste gas except knoisphere 2 by first, further by the
Two absorb its water droplet except knoisphere 3, the tiny drops of water thoroughly carried in removing waste gas, so as to obtain totally dry gas, pass through
Above-mentioned dust arrester, can remove the excitant peculiar smell in waste gas, and can avoid phenomenon of the waste gas with water, be effectively controlled surrounding
The air quality of environment, is that enterprise brings higher profit.
As shown in Fig. 2 in the present embodiment, waste gas also have passed through the processing of other assemblies before gas wash tower 1 is entered.
In the present embodiment, dust arrester also includes multi-tube dust cleaner 5, rotation discharge apparatus 6, conveying worm 7, air-introduced machine 8, venturi
Nozzle 9 and venturi 10.The middle entrance 11 of waste gas removing dust tower 1 handled from venturi 10 enters to be done into one in gas wash tower 1
The processing of step.
The dust-laden high-temperature flue gas (i.e. original waste gas) discharged by boiler, into multi-tube dust cleaner, exists with recirculated water
Counter flow washing in multi-tube dust cleaner, subsequently into rotary discharge apparatus, synchronously completes SO2 absorption cleanings in dust removal process, warp
Flue gas after primary wash purification enters air-introduced machine through conveying worm from smoke conveying duct, then passes through Venturi scrubbing cigarette
Road, improves the shower water sprayed after flue gas flow rate with Venturi nozzle and mixes, and flue gas is humidified and is cooled (from 120 DEG C -180 DEG C
High-temperature cooling is to 80 DEG C -120 DEG C), humidification and cooling pretreatment after, flue gas with 20-30m/s flow velocity tangentially enter gas wash tower 1
It is interior, flue gas flow area more than 6 times of increase suddenly in tower, under the promotion of natural inertia gravitation so that flue gas is from the bottom up in tower
Motion.
First includes the first dedusting sublayer 21 and the 3rd dedusting sublayer 22 that be arranged in parallel, the first dedusting sublayer except knoisphere 2
21 include sieve plate, and the 3rd dedusting sublayer 22 includes spraying layer, wherein, the first dedusting sublayer 21 is arranged on the dedusting of entrance 11 and the 3rd
Between sublayer 22, the nozzle of spraying layer is set towards the first dedusting sublayer 21, sprayed in nozzle for spraying, to remove in flue gas
Grit.Equally distributed aperture, a diameter of 2cm to 3cm of aperture are provided with sieve plate.Sieve plate and spraying layer can be effective
Complete the removing and SO2 absorption of grit in flue gas.In order that grit in flue gas removing and sulfur dioxide absorption more
Thoroughly, first except knoisphere 2 include multiple the first dedusting sublayers 21 and the 3rd dedusting sublayer 22 being arranged alternately, it is preferred that first
Except knoisphere 2 includes three the first dedusting sublayers 21 and three the 3rd dedusting sublayers 22, the first dedusting sublayer 21 and the 3rd dedusting
Layer 22 is arranged alternately.Further, as shown in Fig. 2 the inwall of the part edge of spraying layer and gas wash tower 1 remains with gap.Sieve
The edge of plate is each attached on the inwall of gas wash tower 1, or the part edge of sieve plate remains with gap with the inwall of gas wash tower 1.
Flue gas after first is handled except knoisphere 2, enters second and removes in knoisphere 3, second removes except knoisphere 3 including second
Dirt sublayer 31, the second dedusting sublayer 31 includes the flat board demister group 312 be arrangeding in parallel and two demister backwash modules
311, wherein, flat board demister group 312 is arranged between two demister backwash modules 311.Second can remove cigarette except knoisphere 3
The large, medium and small water droplet carried in gas.For the small dust and water droplet in significantly more efficient removal flue gas, second wraps except knoisphere 3
Include multiple the second dedusting sublayers 31 be arrangeding in parallel.It is preferred that, second includes three the second dedusting be arrangeding in parallel except knoisphere 3
Layer 31.
Dust arrester purification speed in the present embodiment is fast, does not produce secondary pollution, passes through the Water spray (mist of spraying layer
Shape), the activated charcoal strainer in sieve plate carries out physical adsorption reaction with waste gas, effectively eliminates the peculiar smell in waste gas, subtracts
Lack soot dust granule and ointment in the Elements in Organic Solvents and waste gas in waste gas, reduce the discharge gas in production to environment
Destruction.
Further, the nozzle of two demister backwash modules 311 both faces towards flat board demister group 312 and set.To enter
One step removes the grit in flue gas, and removes the grit sticked in flat board demister group 312 simultaneously.Flat board demister group 312
Including multiple flat board demisters being stacked, it is preferred that flat board demister is two.The effect of flat board demister is to work as to contain
The flue gas of saturated steam step by step by flat board demister dewatering system when, acted on by centrifugal force, the drop in flue gas is got rid of
To the tower wall of gas wash tower 1, to reduce the tiny drops of water carried in the water capacity in flue gas, removing flue gas, it is to avoid flue gas with water
Phenomenon.
Above-mentioned dust arrester also includes being arranged on first except knoisphere 2 nearby or second except the manhole 4 near knoisphere 3, with
The convenient knoisphere 2 and second that removed to first is except knoisphere 3 is safeguarded and repaired.
Although by reference to preferred embodiment, invention has been described, is not departing from the situation of the scope of the present invention
Under, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as in the absence of structure punching
Prominent, the every technical characteristic being previously mentioned in each embodiment can combine in any way.The invention is not limited in text
Disclosed in specific embodiment, but all technical schemes including falling within the scope of the appended claims.
Claims (10)
1. a kind of dust arrester, it is characterised in that including：Gas wash tower and be arranged on inside the gas wash tower be used for remove dirt
Grain and sulfur dioxide first except knoisphere and for absorb water droplet second remove knoisphere, wherein, described gas wash tower one end is provided with
Entrance, the other end is provided with outlet, and waste gas enters the gas wash tower by the entrance, sequentially pass through described first except knoisphere with
Described second removes after knoisphere, is discharged through the outlet.
2. dust arrester according to claim 1, it is characterised in that described second includes the second dedusting sublayer except knoisphere,
The second dedusting sublayer includes the flat board demister group be arrangeding in parallel and two demister backwash modules, wherein, it is described flat
Plate demister group is arranged between two demister backwash modules.
3. dust arrester according to claim 2, it is characterised in that described second includes multiple be arranged in parallel except knoisphere
Second dedusting sublayer.
4. dust arrester according to claim 3, it is characterised in that the nozzle of two demister backwash modules is equal
Set towards the flat board demister group.
5. the dust arrester according to claim any one of 1-4, it is characterised in that flat board demister group is parallel including two
The flat board demister of setting.
6. dust arrester according to claim 1, it is characterised in that described first removes first that knoisphere includes be arrangeding in parallel
Dedusting sublayer and the 3rd dedusting sublayer, the first dedusting sublayer include sieve plate, and the 3rd dedusting sublayer includes spraying layer, its
In, the first dedusting sublayer is arranged between the entrance and the 3rd dedusting sublayer, the nozzle of the spraying layer towards
First dedusting sublayer is set.
7. dust arrester according to claim 6, it is characterised in that described first includes multiple be arranged alternately except knoisphere
The first dedusting sublayer and the 3rd dedusting sublayer.
8. the dust arrester according to claim 6 or 7, it is characterised in that be provided with the sieve plate equally distributed small
Hole, a diameter of 2cm to 3cm of the aperture.
9. the dust arrester according to claim 6 or 7, it is characterised in that the part edge of the spraying layer is removed with described
The inwall of chimney remains with gap.
10. the dust arrester according to claim 6 or 7, it is characterised in that the edge of the sieve plate is each attached to described remove
On the inwall of chimney, or the part edge of the sieve plate remains with gap with the inwall of the gas wash tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740910.7A CN107308770A (en) | 2017-08-25 | 2017-08-25 | Dust arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740910.7A CN107308770A (en) | 2017-08-25 | 2017-08-25 | Dust arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107308770A true CN107308770A (en) | 2017-11-03 |
Family
ID=60176574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710740910.7A Pending CN107308770A (en) | 2017-08-25 | 2017-08-25 | Dust arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107308770A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105833668A (en) * | 2015-01-15 | 2016-08-10 | 北京中天元环境工程有限责任公司 | Flue gas desulfurization tower |
| CN105854538A (en) * | 2016-05-12 | 2016-08-17 | 陈有根 | Flue gas desulfurization device by adopting ammonia-ammonium sulfite method |
| CN205495319U (en) * | 2016-03-30 | 2016-08-24 | 西安西热锅炉环保工程有限公司 | Wet flue gas desulfurization is in coordination with removing dust absorption tower |
-
2017
- 2017-08-25 CN CN201710740910.7A patent/CN107308770A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105833668A (en) * | 2015-01-15 | 2016-08-10 | 北京中天元环境工程有限责任公司 | Flue gas desulfurization tower |
| CN205495319U (en) * | 2016-03-30 | 2016-08-24 | 西安西热锅炉环保工程有限公司 | Wet flue gas desulfurization is in coordination with removing dust absorption tower |
| CN105854538A (en) * | 2016-05-12 | 2016-08-17 | 陈有根 | Flue gas desulfurization device by adopting ammonia-ammonium sulfite method |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171103 |