CN107349737A - A kind of device of high-temperature flue gas wet dedusting purification - Google Patents
A kind of device of high-temperature flue gas wet dedusting purification Download PDFInfo
- Publication number
- CN107349737A CN107349737A CN201710787431.0A CN201710787431A CN107349737A CN 107349737 A CN107349737 A CN 107349737A CN 201710787431 A CN201710787431 A CN 201710787431A CN 107349737 A CN107349737 A CN 107349737A
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- China
- Prior art keywords
- wall
- cylindrical outer
- pipe
- net
- dust arrester
- 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
- 238000000746 purification Methods 0.000 title claims abstract description 26
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 239000003546 flue gas Substances 0.000 title claims abstract description 17
- 239000000428 dust Substances 0.000 claims abstract description 34
- 239000007789 gas Substances 0.000 claims abstract description 26
- 239000002912 waste gas Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000005406 washing Methods 0.000 claims abstract description 3
- 239000003517 fume Substances 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000356 contaminant Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 238000005201 scrubbing Methods 0.000 description 2
- 239000011149 active material Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B01D50/40—Combinations of devices covered by groups B01D45/00 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
- B01D53/32—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 electrical effects other than those provided for in group B01D61/00
- B01D53/323—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 electrical effects other than those provided for in group B01D61/00 by electrostatic effects or by high-voltage electric fields
Landscapes
- 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 discloses a kind of device of high-temperature flue gas wet dedusting purification, it includes sluicing pipe, dust arrester and waste gas purification apparatus, described sluicing pipe is sequentially connected to connect and formed along gas circulating direction by air inlet pipe, collapsible tube, trunnion and anemostat, and is inserted a nozzle in the junction of the trunnion and collapsible tube and be used for the jet washing liquid into described sluicing pipe；Described dust arrester is formed by being sequentially connected logical cylinder, cone and storage ash bucket from top to bottom；The anemostat of the sluicing pipe is connected by connecting tube with the cylinder of the dust arrester；Described emission-control equipment includes the cylindrical outer wall being connected by gas outlet pipe with the cylinder and the high-field electrode being arranged in the cylindrical outer wall, the both ends of the cylindrical outer wall are provided with fixed net, described fixation net is used for fixed described high-field electrode and connects the both positive and negative polarity of power supply respectively, the negative pole ground connection of the power supply.The apparatus structure is simple, easy to operate, and exhaust treatment efficiency is high, can put into industrial application, will not produce secondary pollution.
Description
Technical field
The invention belongs to waste gas purification process field, more particularly to a kind of device of high-temperature flue gas wet dedusting purification
Background technology
In recent years, ecological environment problem is more and more paid attention to, and greatly causes various circles of society to environmental issue
Discussion.It is even more to be paid close attention to by resident particularly with the closely related atmosphere polluting problem of city dweller.Atmosphere pollution
Not only it is related to ecological environmental pollution problem, the quality of life, the general level of the health also directly to city dweller cause extremely serious
Influence.Therefore, how to administer and needed badly with preventing the atmosphere pollution phenomenon of getting worse as environmental administration and numerous experts and scholars
Solve the problems, such as.
Low temperature plasma is the 4th state of the material after solid-state, liquid, gaseous state, when applied voltage reaches gas
During firing voltage, gas is breakdown, produces the mixture including electronics, various ions, atom and free radical.Discharge process
Although electron temperature is very high in, and heavy particle temperature is very low, and low-temperature condition is presented in whole system, so referred to as low-temperature plasma
Body.Low-temperature plasma degradation pollutant is to utilize the pollutant in these high energy electrons, free radical isoreactivity particle and waste gas
Effect, makes contaminant molecule be decomposed within the extremely short time, and follow-up various reactions occur to reach decomposing pollutant
Purpose.
At present, Venturi scrubber and cyclone dust collectors to be widely used this point unquestionable, be used in all kinds of documents
The plasma reaction device species of water process is various.But plasma technique is applied to fewer in terms of waste gas pollution control and treatment.
It is most rich in air contaminant treatment both at home and abroad at present because it can be easy to make contaminant molecule efficient-decomposition and processing energy consumption is low
There are one of prospect, most effective technical method, Venturi scrubber and cyclone dust collectors are combined with plasma apparatus
Its application of getting up is more extensive, is opened for the improvement of industrial circle high temperature dusty gas, VOC classes organic exhaust gas and foul gas
One new thinking.
The content of the invention
The purpose of the present invention is on the basis of existing technology, there is provided a kind of device of high-temperature flue gas wet dedusting purification.
The advantages that present apparatus has high treating effect compared with same device, and device is stably hardly damaged.
The purpose of the present invention is achieved through the following technical solutions：
A kind of device of high temperature fume dust removal purification, the device include sluicing pipe, dust arrester and waste gas purification apparatus, institute
The sluicing pipe stated is sequentially connected to connect and formed along gas circulating direction by air inlet pipe, collapsible tube, trunnion and anemostat, and in the larynx
The junction of pipe and collapsible tube inserts a nozzle and is used for the jet washing liquid into described sluicing pipe；Described dust arrester is by certainly
Logical cylinder, cone and storage ash bucket composition are sequentially connected under above；The anemostat of the sluicing pipe is removed by connecting tube with described
The cylinder of dirt device is connected；Described emission-control equipment includes the tubular being connected by gas outlet pipe with the cylinder
Outer wall and the high-field electrode being arranged in the cylindrical outer wall, the both ends of the cylindrical outer wall are provided with fixed net, and described consolidates
Determine net be used for fixation described high-field electrode and connect the both positive and negative polarity of power supply respectively, the negative pole of the power supply is grounded.
Described sluicing pipe is Venturi scrubbing pipe, can make cooling high-temperature fume and form the dust-laden drop being relatively large in diameter,
It is easy to by follow-up dust arrester trapping.Described dust arrester is cyclone dust collectors, can reach the purpose of flue gas ash removal.It is described
Waste gas purification apparatus be plasma device.Described sluicing pipe is connected by connecting tube with described dust arrester, flue gas
The motion of whirlwind shape is done in described dust arrester and enters waste gas purification apparatus via the gas outlet pipe on its top.
The cylindrical outer wall of described emission-control equipment is non-conductive outer wall.
Described storage ash bucket is detachably connected with cone, and convenient dismounting storage ash bucket is cleaned.
Described cleaning solution can be adjusted according to the property of flue gas.
Described high-field electrode is the copper rod in medium tube in insertion, avoids corroding.
Described fixation net is the made net of copper wire, and the both ends of the high-field electrode are respectively fixedly connected with outside the tubular
The fixation of wall upper and lower ends is online.
The present apparatus has the beneficial effect that：
The device is practical, and equipment is simple, safe for operation, easy to operate, by the cooling of high-temperature flue gas, dedusting with it is net
Change and concentrate within one device, effectively reduce financial cost, do not need any chemistry or biological reagent in addition, do not produce secondary
Pollute, the gas entered after scrubbed pipe and deduster in plasma apparatus is moistening gas, and the presence of liquid is brought more preferably
Treatment effect, this equipment can also realize long-term, automatic, efficient stable operation, can put into industrial application.
Brief description of the drawings
Fig. 1 is the structure chart of high-temperature flue gas wet dedusting purifier.
Fig. 2 is the structure chart of plasma assembly.
Wherein 1-sluicing pipe, 2-dust arrester, 3-waste gas purification apparatus, 4-air inlet pipe, 5-collapsible tube, 6-larynx
Pipe, 7-anemostat, 8-nozzle, 9-connecting tube, 10-cylinder, 11-cone, 12-storage ash bucket, 13-gas outlet pipe,
14-cylindrical outer wall, 15-high-field electrode, 16-fixation net, 17-earthing pole
Embodiment
The implementation process of the invention is explained and analyzed below in conjunction with accompanying drawing：
As depicted in figs. 1 and 2, a kind of device of high temperature fume dust removal purification, the device include sluicing pipe 1, dust arrester 2
With waste gas purification apparatus 3, described sluicing pipe 1 along gas circulating direction by air inlet pipe 4, collapsible tube 5, trunnion 6 and anemostat 7 according to
The secondary composition that is connected, and insert a nozzle 8 in the junction of the trunnion 6 and collapsible tube 5 and be used to spray into described sluicing pipe 1
Penetrate cleaning solution；Described dust arrester 2 is formed by being sequentially connected logical cylinder 10, cone 11 and storage ash bucket 12 from top to bottom；Institute
The anemostat 7 for stating sluicing pipe 1 is connected by connecting tube 9 with the cylinder 10 of the dust arrester 2；Described emission-control equipment
3 include the cylindrical outer wall 14 that is connected with the cylinder 10 by gas outlet pipe 13 and are arranged in the cylindrical outer wall 14
High-field electrode 15, the both ends of the cylindrical outer wall 14 are provided with fixed net 16, and described fixation net 16 is used for fixed described height
Piezoelectricity pole 15 and the both positive and negative polarity for connecting power supply respectively, the negative pole ground connection of the power supply.The gas of described device is entered by air inlet pipe 4
Sluicing pipe 1, scrubbed pipe 1 enter the dedusting of dust arrester 2 after pre-processing, enter back into the purifying contaminated thing of waste gas purification apparatus 3, finally
Chimney can be passed directly into and be discharged into air.
Described sluicing pipe 1 is Venturi scrubbing pipe, can make cooling high-temperature fume and form the dust-laden drop being relatively large in diameter,
It is easy to be trapped by follow-up dust arrester 2, described sluicing pipe 1 is connected by connecting tube 9 with described dust arrester 2.It is described
Dust arrester 2 be cyclone dust collectors, after dusty gas enters deduster, from top to bottom rotated along outer wall, reach cone
Behind the bottom of body 11, then rotated upwards along axle center, enter waste gas purification apparatus 3 through gas outlet pipe 13, can reach flue gas ash removal
Purpose.Described storage ash bucket 12 detachably connects with cone 11.
Described waste gas purification apparatus 3 is plasma device.Its cylindrical outer wall 14 is non-conductive outer wall.
Described high-field electrode 15 is the copper rod in medium tube in insertion, avoids corroding, and the power supply connected is that high frequency is high
Press AC power or the pulse power.
Described fixation net 16 is the made net of copper wire, and the both ends of the high-field electrode 15 are respectively fixedly connected with the cylinder
On the fixation net 16 of the upper and lower ends of shape outer wall 14.
Described waste gas produces more via being moistening gas after sluicing pipe 1 into plasma apparatus than dry gas
More active materials, handle more complete.Described cleaning solution can be adjusted according to the property of flue gas, gather dust to reach
The purpose of collection or absorbed portion pollutant.
Process using the device processing high-temperature flue gas of the present invention is as follows：The high-temperature flue gas of discharge by air inlet pipe 4 first
Into in sluicing pipe, collapsible tube 5 is subsequently entered, flow velocity gradually increases, and reaches maximum in the porch of trunnion 6, now cleaning solution leads to
Cross nozzle 8 to enter, collided with subparticle, realize the trapping of subparticle, subsequently enter anemostat 7, air velocity reduces, pressure
Power is gone up the dust-laden drop to be formed and be relatively large in diameter, and is entered by connecting tube 9 in dust arrester 2；After dust-contained airflow enters, along outer wall
From top to bottom rotate, after reaching the bottom of cone 11, then rotated upwards along axle center, enter waste gas through gas outlet pipe 13
Purifier 3；The core of waste gas purification apparatus 3 is plasma assembly, and the top and the bottom of fixed net 16 connect power supply respectively
Both positive and negative polarity, high-field electrode 15 by interior medium tube wrap up copper rod, both ends be connected to above and below fixation it is online, power cathode connects
Ground, loop is formed, gas passage is region of discharge, and pollutant is rapidly decomposed, and is then discharged by upper end.
In high voltage power supply discharge process, the wet air of entrance can be ionized largely, and form a large amount of high energy electrons
With OH, eeq -、·O、HO2Deng the O that free-radical oxidation is extremely strong3And H2O2, advanced treating is carried out to waste gas.
The advantages of present apparatus is handled high-temperature flue gas using dedusting and purifying device：The device is practical, equipment letter
It is single, it is safe for operation, it is easy to operate, the cooling of high-temperature flue gas, dedusting and purification are concentrated within one device, effectively reduce
Financial cost, any chemistry or biological reagent are not needed in addition, do not produce secondary pollution, enter after scrubbed pipe and deduster etc.
Gas in ion unit is moistening gas, and the presence of liquid brings more preferable treatment effect, this equipment can also realize it is long-term,
Automatically, efficient stable operation, industrial application can be put into.
Claims (6)
- A kind of 1. device of high temperature fume dust removal purification, it is characterised in that：The device include sluicing pipe (1), dust arrester (2) and Waste gas purification apparatus (3), described sluicing pipe (1) along gas circulating direction by air inlet pipe (4), collapsible tube (5), trunnion (6) with Anemostat (7), which is sequentially connected, connects composition, and insert in the junction of the trunnion (6) and collapsible tube (5) nozzle (8) be used for Described sluicing pipe (1) interior jet washing liquid；Described dust arrester (2) by be sequentially connected from top to bottom logical cylinder (10), Cone (11) and storage ash bucket (12) composition；The anemostat (7) of the sluicing pipe (1) passes through connecting tube (9) and the dust arrester (2) cylinder (10) is connected；Described emission-control equipment (3) is included by gas outlet pipe (13) and the cylinder (10) The cylindrical outer wall (14) being connected and the high-field electrode (15) being arranged in the cylindrical outer wall (14), the cylindrical outer wall (14) both ends are provided with fixed net (16), and described fixation net (16) is used for fixed described high-field electrode (15) and connected respectively The both positive and negative polarity of power supply, the negative pole ground connection of the power supply.
- 2. the device of high temperature fume dust removal purification according to claim 1, it is characterised in that：Described emission-control equipment (3) cylindrical outer wall (14) is non-conductive outer wall.
- 3. the device of high temperature fume dust removal purification according to claim 1, it is characterised in that：Described storage ash bucket (12) with Cone (11) detachably connects.
- 4. the device of high temperature fume dust removal purification according to claim 1, it is characterised in that：Described cleaning solution can basis The property of flue gas is adjusted.
- 5. the device of high temperature fume dust removal purification according to claim 1, it is characterised in that：Described high-field electrode (15) For the copper rod in medium tube in insertion, avoid corroding.
- 6. the device of high temperature fume dust removal purification according to claim 1, it is characterised in that：Described fixation net (16) is The made net of copper wire, the both ends of the high-field electrode (15) are respectively fixedly connected with consolidating in the cylindrical outer wall (14) upper and lower ends Determine on net (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710787431.0A CN107349737A (en) | 2017-09-04 | 2017-09-04 | A kind of device of high-temperature flue gas wet dedusting purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710787431.0A CN107349737A (en) | 2017-09-04 | 2017-09-04 | A kind of device of high-temperature flue gas wet dedusting purification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107349737A true CN107349737A (en) | 2017-11-17 |
Family
ID=60289951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710787431.0A Pending CN107349737A (en) | 2017-09-04 | 2017-09-04 | A kind of device of high-temperature flue gas wet dedusting purification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107349737A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108479274A (en) * | 2018-06-11 | 2018-09-04 | 兰州大学 | Cleaner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1375850A2 (en) * | 2002-06-25 | 2004-01-02 | Yukio Kinoshita | Exhaust gas processing system |
| CN1562445A (en) * | 2004-03-29 | 2005-01-12 | 广东杰特科技发展有限公司 | Method of synchronous cleansing air pollutant by smoke of plasma discharge caused by spreading light |
| CN102805997A (en) * | 2012-08-24 | 2012-12-05 | 许以青 | Waste gas treatment system |
| CN103611379A (en) * | 2013-11-20 | 2014-03-05 | 周敏 | Dust remover |
| CN204107255U (en) * | 2014-08-27 | 2015-01-21 | 杭州洁天环保科技有限公司 | A kind of combination venturi scrubber |
| CN104307432A (en) * | 2014-11-18 | 2015-01-28 | 南宁市英德肥业有限责任公司 | System for conducting dust removal on tail smoke generated when spraying granulation is conducted on chemical fertilizer |
-
2017
- 2017-09-04 CN CN201710787431.0A patent/CN107349737A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1375850A2 (en) * | 2002-06-25 | 2004-01-02 | Yukio Kinoshita | Exhaust gas processing system |
| CN1562445A (en) * | 2004-03-29 | 2005-01-12 | 广东杰特科技发展有限公司 | Method of synchronous cleansing air pollutant by smoke of plasma discharge caused by spreading light |
| CN102805997A (en) * | 2012-08-24 | 2012-12-05 | 许以青 | Waste gas treatment system |
| CN103611379A (en) * | 2013-11-20 | 2014-03-05 | 周敏 | Dust remover |
| CN204107255U (en) * | 2014-08-27 | 2015-01-21 | 杭州洁天环保科技有限公司 | A kind of combination venturi scrubber |
| CN104307432A (en) * | 2014-11-18 | 2015-01-28 | 南宁市英德肥业有限责任公司 | System for conducting dust removal on tail smoke generated when spraying granulation is conducted on chemical fertilizer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108479274A (en) * | 2018-06-11 | 2018-09-04 | 兰州大学 | Cleaner |
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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 |
Application publication date: 20171117 |
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| RJ01 | Rejection of invention patent application after publication |