CN110368761A - A kind of new type of high efficient mesh mist eliminator - Google Patents
A kind of new type of high efficient mesh mist eliminator Download PDFInfo
- Publication number
- CN110368761A CN110368761A CN201810330187.XA CN201810330187A CN110368761A CN 110368761 A CN110368761 A CN 110368761A CN 201810330187 A CN201810330187 A CN 201810330187A CN 110368761 A CN110368761 A CN 110368761A
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- CN
- China
- Prior art keywords
- mist eliminator
- mesh mist
- flat filament
- silk screen
- droplet
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- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a kind of new type of high efficient mesh mist eliminator to recycle the impurity in expensive droplet (valuable material), or reduction gas for removing the mist carried secretly in gas (drop) with purification gas.This mesh mist eliminator is rolled by demisting silk screen, wherein demisting silk screen is worked out by flat filament using special longitude and latitude mode, each of the flat wires are uniformly distributed " several " oxbow, and flat filament is collectively aligned, and " several " oxbow of each of the flat wires passes through corresponding " several " oxbows of preceding root flat filament.According to the perishable degree of corrosion of mesh mist eliminator processing material, the engineering plastics such as metal, polytetrafluoroethylene (PTFE) are can be selected in the flat filament for working out demisting silk screen, and flat filament section is rectangle or ellipse.The height of this mesh mist eliminator is determined that usually selecting height is several hundred millimeters by removed mist droplet particle size, droplet property and allowable pressure drop.This mesh mist eliminator has the characteristics that pressure drop is low, flux is big, demisting efficiency is high, and for 1 μm or more of droplet, removal efficiency can reach 99% or more.
Description
Technical field
The present invention relates to mist (drop) reclaimer technical fields, and in particular to a kind of new type of high efficient mesh mist eliminator.
Background technique
Usually carry some small liquid secretly in the production of chemical industry, petrochemical industry, pharmacy and fine chemistry industry etc., in the gas of conveying
Phase droplet, these droplets are the impurity even harmful substance in production, or expensive droplet (valuable material), need to try
It is removed or recycles.But since mist droplet particle size range is larger, 50 μm of liquid mist is greater than for partial size, can use and be filled with
The modes such as material or spiral board remove, and the liquid mist for partial size less than 10 μm, conventional method are difficult to be up to ideal de-
Difficulty is brought except effect, thus to production.
Summary of the invention
It is an object of the invention to overcome problem above of the existing technology, a kind of new and effective silk screen demisting is provided
Device, this mesh mist eliminator have the characteristics that pressure drop is low, flux is big, demisting efficiency is high, for 1 μm or more of droplet, removing effect
Rate can reach 99% or more.
This mesh mist eliminator is rolled by demisting silk screen, and wherein demisting silk screen is worked out by flat filament using special longitude and latitude mode
It forms, each of the flat wires are uniformly distributed " several " oxbow, and flat filament is collectively aligned, and " several " oxbow of each of the flat wires passes through preceding root
Corresponding " several " oxbows of flat filament.The perishable degree of corrosion that material is handled according to mesh mist eliminator, for working out demisting silk screen
Metal can be selected in flat filament, and the engineering plastics such as polytetrafluoroethylene (PTFE) also can be selected, and the section of flat filament is rectangle, or ellipse.It is entrained in
When fine liquid droplet in gas phase passes through the silk screen of efficient mesh mist eliminator, droplet encounters demisting flat filament, is attached or adsorbs
Get off, by repeatedly adsorbing repeatedly, minimum droplet is coalesced as big drop, drop under gravity, along flat filament
String diameter move downward, while continuing the droplet carried secretly in adsorbed gas, the droplet grown up flows to the bottom of demister, becomes liquid
Drop drops down.In fact, in absorption process, since the inside of entire mesh mist eliminator is filled with the droplet absorbed,
Thus individually the adsorption capacity of metal or engineering plastics flat filament gets a promotion, when so that working normally, the demisting rate of demisting silk screen
It increases substantially, minimum droplet can be completed and effectively adsorbed and removing.The height of this mesh mist eliminator is by removed droplet grain
Diameter, droplet property and allowable pressure drop determine that usually selecting height is several hundred millimeters.This mesh mist eliminator low, flux with pressure drop
Greatly, the high feature of demisting efficiency, for 1 μm or more of droplet, removal efficiency can reach 99% or more.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is demisting screen net structure schematic diagram；
Specific embodiment
The present invention is further described with case study on implementation with reference to the accompanying drawing.
This mesh mist eliminator is rolled by demisting silk screen, and wherein demisting silk screen is worked out by flat filament using special longitude and latitude mode
It forms.Metal can be selected in the perishable degree of corrosion that material is handled according to mesh mist eliminator, the flat filament for working out demisting silk screen, can also
The engineering plastics such as polytetrafluoroethylene (PTFE) are selected, the section of flat filament is rectangle or ellipse.The height of this mesh mist eliminator is by institute's demisting
It drips partial size, droplet property and allowable pressure drop to determine, usually selecting height is several hundred millimeters.Test and industrial application show this
Mesh mist eliminator has the characteristics that pressure drop is low, flux is big, demisting efficiency is high.For 1 μm or more of droplet, removal efficiency is reachable
To 99% or more.It has been applied in the industry in tens of towers, including fermentation gas at present containing faints recycling, synthetic gas
Dehydration (reducing side reaction), acid droplet removing (follow-up equipment is avoided to corrode), product gas phase side are adopted removing impurities and (are taken off before into reactor
Except drop impurities), deviate from mist and the demisting of gas-liquid separator etc. at the top of tower equipment, in place of these keys
It is that enterprise brings huge economic benefit after.
Case study on implementation 1: the efficient mesh mist eliminator of this item is used for the demisting of reaction gas.Exist in processing acetylene gas flow
3000-5000m3/ h, demisting silk screen section are rectangle, and specification is 0.1 × 0.3mm2, mesh mist eliminator is rolled into, is highly
250mm.It is standby without separately adding only in one section of demisting silk screen of the top adjunction of former water scrubber, the droplet of water can largely be removed
Removal efficiency reaches 99%.Simultaneously through production examination using in reaction product before and after mesh mist eliminator, side reaction product acetaldehyde is reduced
1%, crotonaldehyde reduces 0.5%.Other side reaction substances are greatly reduced, to improve obtaining for target product
Rate cleans Chemical Manufacture, reduces the difficulty and consumption of impurity and the processing of subsequent rectification section.
Case study on implementation 2: efficiently mesh mist eliminator is used to produce pilot process demisting for this.It is comprehensive that the present invention is applied to sodium hypochlorite
Scrubbing tower is closed, demisting silk screen section is rectangle, and specification is 0.1 × 0.3mm2, mesh mist eliminator is rolled into, is highly 200mm.Only
One section of efficient mesh mist eliminator of sheet is added at the top of former sodium hypochlorite scrubbing tower, the sodium hypochlorite droplet taken out of can sufficiently be caught
Collection solves the problems, such as to perplex production originally.
Case study on implementation 3: efficiently mesh mist eliminator is used for gas phase extraction product demisting for this.The present invention is applied to propilolic alcohol rectifying
Tower, demisting silk screen section are rectangle, and specification is 0.1 × 0.3mm2, mesh mist eliminator is rolled into, is highly 300mm.In gas phase side
It adopts exit and installs this efficient mesh mist eliminator additional, the micro droplet that gas is entrained with thoroughly is deviate from.Analysis is the result shows that through this
Product after sample technological transformation is all higher than imported product in purity and coloration, entire process of technical only use one month it is complete
At bringing 1,200,000 yuan of annual benefit or more to Shandong sky Chemical Co., Ltd..
Claims (4)
1. new type of high efficient mesh mist eliminator proposed by the present invention, which is characterized in that this mesh mist eliminator rolled by demisting silk screen and
At wherein demisting silk screen is worked out by flat filament.
2. new type of high efficient mesh mist eliminator according to claim 1, which is characterized in that the demisting silk screen, by flat filament
It is worked out using special longitude and latitude mode.
3. special longitude and latitude mode form of presentation according to claim 2, which is characterized in that each of the flat wires are uniformly distributed " several "
Oxbow, flat filament are collectively aligned, and " several " oxbow of each of the flat wires passes through corresponding " several " oxbows of preceding root flat filament.
4. new type of high efficient mesh mist eliminator according to claim 1, which is characterized in that the flat filament is removed according to silk screen
Day with fog handles the perishable degree of corrosion of material, and metal can be selected, and the engineering plastics such as polytetrafluoroethylene (PTFE) also can be selected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810330187.XA CN110368761A (en) | 2018-04-13 | 2018-04-13 | A kind of new type of high efficient mesh mist eliminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810330187.XA CN110368761A (en) | 2018-04-13 | 2018-04-13 | A kind of new type of high efficient mesh mist eliminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110368761A true CN110368761A (en) | 2019-10-25 |
Family
ID=68243824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810330187.XA Pending CN110368761A (en) | 2018-04-13 | 2018-04-13 | A kind of new type of high efficient mesh mist eliminator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110368761A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1116132A (en) * | 1994-01-31 | 1996-02-07 | 化学研究及许可公司 | Catalytic distillation structure |
| CN1256734A (en) * | 1998-02-25 | 2000-06-14 | 发特泽公开股份有限公司 | Woven wire netting for protection against rock falls or for securing top layer of soil, and method and device for producing same |
| US20030129905A1 (en) * | 2002-01-08 | 2003-07-10 | Anuj Dhawan | Methods and systems for selectively connecting and disconnecting conductors in a fabric |
| CN2880601Y (en) * | 2006-02-07 | 2007-03-21 | 西安西电光电缆有限责任公司 | Pressing type safety air bag filter of car |
| CN203049183U (en) * | 2013-01-09 | 2013-07-10 | 浙江国诚麻纺织有限公司 | Knitting linen |
| US20150165350A1 (en) * | 2007-08-28 | 2015-06-18 | PECOFacet (Houston), LLC | Pleated Woven Wire Filter |
| CN204768154U (en) * | 2015-05-29 | 2015-11-18 | 成都市金臣环保科技有限公司 | Volatilizable organic pollutant exhaust -gas treatment spray column |
| CN207024958U (en) * | 2017-06-26 | 2018-02-23 | 江苏科行环保科技有限公司 | A kind of high cloud of dust desulfurization scrubbing tower |
-
2018
- 2018-04-13 CN CN201810330187.XA patent/CN110368761A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1116132A (en) * | 1994-01-31 | 1996-02-07 | 化学研究及许可公司 | Catalytic distillation structure |
| CN1256734A (en) * | 1998-02-25 | 2000-06-14 | 发特泽公开股份有限公司 | Woven wire netting for protection against rock falls or for securing top layer of soil, and method and device for producing same |
| US20030129905A1 (en) * | 2002-01-08 | 2003-07-10 | Anuj Dhawan | Methods and systems for selectively connecting and disconnecting conductors in a fabric |
| CN2880601Y (en) * | 2006-02-07 | 2007-03-21 | 西安西电光电缆有限责任公司 | Pressing type safety air bag filter of car |
| US20150165350A1 (en) * | 2007-08-28 | 2015-06-18 | PECOFacet (Houston), LLC | Pleated Woven Wire Filter |
| CN203049183U (en) * | 2013-01-09 | 2013-07-10 | 浙江国诚麻纺织有限公司 | Knitting linen |
| CN204768154U (en) * | 2015-05-29 | 2015-11-18 | 成都市金臣环保科技有限公司 | Volatilizable organic pollutant exhaust -gas treatment spray column |
| CN207024958U (en) * | 2017-06-26 | 2018-02-23 | 江苏科行环保科技有限公司 | A kind of high cloud of dust desulfurization scrubbing tower |
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