CN105251304B - Electrostatic agglomeration cyclone demisting device and application - Google Patents
Electrostatic agglomeration cyclone demisting device and application Download PDFInfo
- Publication number
- CN105251304B CN105251304B CN201510751079.6A CN201510751079A CN105251304B CN 105251304 B CN105251304 B CN 105251304B CN 201510751079 A CN201510751079 A CN 201510751079A CN 105251304 B CN105251304 B CN 105251304B
- Authority
- CN
- China
- Prior art keywords
- cylinder
- flow
- vortex
- electrostatic
- agglomerate
- 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)
- Electrostatic Separation (AREA)
Abstract
The invention relates to an electrostatic agglomeration cyclone demisting device. The device comprises electrostatic agglomeration cyclone demisting units which are tightly arranged in a tower, wherein each electrostatic agglomeration cyclone demisting unit comprises a cylinder, a guide plate, a metal discharge wire, a lower cylinder, an upper cylinder, a high compression ring, a nozzle and guide blades. According to the device, the ultimate grain size of the demister can be reduced, an effect of reducing the droplet concentration at the outlet of the demister is achieved, to-be-treated flue gas enters the device from bottom to top, and dust droplets in the flue gas are negatively charged while passing through the lower cylinder and agglomerate and grow up with positively charged spray mist while passing through the upper cylinder, so that the droplets in the flue gas are separated from the flue gas while passing through the guide blades according to the pneumatic cyclone principle.
Description
Technical field
The invention belongs to technical field of environment protection equipment, is related to the flue gas demisting of absorption tower outlet in Wet Flue Gas Desulfurization Technology
Device, especially a kind of electrostatic agglomerate cyclone defogger and application.
Background technology
As country increasingly payes attention to environmental issue, country has put into effect most stringent of fume environment protection in history within 2015
Standard, one of which require that neat stress outlet dust concentration reaches 5mg/Nm3Hereinafter, existing Wet Flue Gas Desulfurization Technique, flue gas go out
Mouth carries substantial amounts of water, dissolves and is suspended in the particulate matter in water and also together carry secretly, it is difficult to meets the standard of the environmental protection standard.
The problem is solved, is stood in the breach and is sought to reduce exhanst gas outlet carrying concentration of liquid drops.
In order to reduce the discharge of drop, prior art means are to install demister at the top of absorption tower additional, existing demister with
Flap form is in the majority, and which removes fog effect preferably, and limit grain diameter can reach 25 microns, because which is restricted by reentrainment,
Therefore think further to reduce its limit grain diameter very difficult.
By retrieval, find as the next chapter patent related to present patent application separates document：
A kind of cyclone electrostatic couples high-effective dust-removing demister and applies (CN104307634A), is related to a kind of cyclone electrostatic
Coupling high-effective dust-removing demister and application, including housing (1), cyclone electrostatic dedusting demisting unit, discharge electrode fixed plate (8),
Ash flushing water pipe (9) and high-voltage DC power supply (10), described cyclone electrostatic dedusting demisting unit are arranged in housing (1), described
Discharge electrode fixed plate (8) be arranged on above cyclone electrostatic dedusting demisting unit, described ash flushing water pipe (9) is arranged on discharge electrode
Above fixed plate (8), described high-voltage DC power supply (10) connection cyclone electrostatic dedusting demisting unit.Compared with prior art,
The present invention is used in combination interior with bottom spiral board and spraying technique to jet tray, is remarkably improved the degree of purification of flue gas.
By contrast, there are the different of essence from above-mentioned patent publication us in present patent application.
The content of the invention
It is an object of the invention in place of overcoming the deficiencies in the prior art, there is provided a kind of to utilize air swirl and electrostatic demisting
Operation principle, reduce limit grain diameter, reduce the electrostatic agglomerate cyclone defogger that demister exports droplet concentration, the device can be with
It is applied in wet process of FGD, is especially applicable in the middle of the equipment of wet process of FGD, effect is that removing wet flue gas take off
Contained free state drop and dust in flue gas after sulfur.
The purpose of the present invention is achieved through the following technical solutions：
A kind of electrostatic agglomerate cyclone defogger, described device include the electrostatic agglomerate vortex-flow and defrosting being tightly disposed in tower
Unit, each electrostatic agglomerate vortex-flow and defrosting unit include cylinder, deflector, metal discharge line, lower shell, upper shell, high compression ring,
Nozzle, guide vane, the guide vane and deflector can insulate, and the bottom in the cylinder is coaxially disposed deflector,
The deflector can carry out rectification to the air-flow into cylinder, and the lower shell is coaxially disposed in the cylinder above deflector,
Coaxially connected setting metal discharge line, the inner wall belt high pressure positive electricity of the cylinder, the metal at the top center of the lower shell
Discharge lines can release anion, be coaxially disposed upper shell in the cylinder above the metal discharge line, and the upper shell is in cylinder
Shape, the top center of the upper shell are coaxially disposed a nozzle, coaxial on the external cylinder inboard wall of the top cylinder closely to arrange a high pressure
Ring, the water smoke that the nozzle sprays pass through from the middle of high compression ring, by the principle of high voltage induction, obtain cation water smoke, on this
Guide vane is coaxially disposed in cylinder above cylinder.
And, the quantity of the electrostatic agglomerate vortex-flow and defrosting unit is one or more, when electrostatic agglomerate eddy flow is removed
When the quantity of mist unit is one, the electrostatic agglomerate vortex-flow and defrosting unit is coaxially tightly disposed in tower；
When the quantity of electrostatic agglomerate vortex-flow and defrosting unit is two or more, the electrostatic agglomerate vortex-flow and defrosting unit is same
Uniformly it is disposed in tower on one horizontal plane, the central axis of each electrostatic agglomerate vortex-flow and defrosting unit is perpendicular with horizontal plane
Arrange, between the top and bottom of the cylinder of each adjacent electrostatic agglomerate vortex-flow and defrosting unit, be connected close by plugging plate 3
Envelope is arranged, and is also passed through between the top of the cylinder of the electrostatic agglomerate vortex-flow and defrosting unit of inner wall of tower and bottom and inner wall of tower
Plugging plate is connected setting.
And, when the quantity of electrostatic agglomerate vortex-flow and defrosting unit is two or more, multiple metal discharge lines are and power supply
Line is connected setting, the outer coaxial package insulation tube of the power line, and the insulation tube is through multiple upper shell and lower shell
Cylinder is horizontally set on tower.
And, the cylinder of the electrostatic agglomerate vortex-flow and defrosting unit is straight bucket circular tube structure, and length is 600mm-1000mm,
Internal diameter is 300mm；Or, the inner wall smooth of the electrostatic agglomerate vortex-flow and defrosting unit, material are compound for fiberglass metal dust
Conductive material.
And, the guide vane is made up of multiple blades 6, and the centrage with cylinder is as axle, right on its vertical cross-section
Arrangement, each blade is claimed there are 30~45 degree of angles with horizontal direction.
And, the deflector is flat board or curved slab.
And, the material of the deflector or/and guide vane is the smooth isolation material in surface.
Application of the electrostatic agglomerate cyclone defogger in wet process of FGD as above.
And, the contained free state in the flue gas after removing wet process of FGD of the electrostatic agglomerate cyclone defogger
Application in drop dust.
Advantages of the present invention and good effect are：
1st, this device can reduce the limit grain diameter of demister, reduce the effect that demister exports droplet concentration, pending
Flue gas enters device from bottom to top, negatively charged by the dust drop in flue gas during lower shell, during by upper shell, with positively charged
Spray water mist agglomerate grow up after, by during guide vane according to air swirl principle, so as to the drop and flue gas in flue gas
Separate.
2nd, when in use, processed flue gas is from bottom to top into the electrostatic agglomerate vortex-flow and defrosting unit of the device for this device
In, when lower shell, the negative pole and positive pole of metal discharge line and barrel connection high voltage power supply, metal discharge line are discharged in a large number
Anion, anion is regular mobile to barrel (positive pole), is combined with the free droplet in flue gas in moving process so that
Free droplet is mobile to barrel (positive pole) in the presence of Coulomb force, and free drop and dust removal efficiency reach certain effect,
Do not remove the free droplet dust with anion simultaneously to continue to move up, when upper shell, under acting in high compression ring
The cation water smoke of nozzle injection, agglomerate are combined after growing up through guide vane section, in the presence of guide vane, form rotation
Ascending air, so makes the velocity attitude of air-flow convert to form tangential velocity, makes the drop acquisition centrifugal force in air-flow, to barrel
Direction is moved, and in the presence of secondary removing, free drop and dust removal efficiency reach most preferably, can not only reduce limit grain
Footpath, moreover it is possible to reduce demister outlet droplet concentration, under air swirl and electrostatic precipitation compound action, device trapping solution can be made
The limit grain diameter of drop is less than 10 microns, and, by electrostatic demisting and air swirl method, reduce desulfurizer smoke evaporative
The water yield, so as to reach the effect of water saving.
3rd, when the quantity of the electrostatic agglomerate vortex-flow and defrosting unit of this device is two or more, electrostatic agglomerate vortex-flow and defrosting unit
Uniformly it is disposed in tower in same level, the central axis and horizontal plane phase of each electrostatic agglomerate vortex-flow and defrosting unit
It is vertically arranged, is connected by plugging plate between the top and bottom of the cylinder of each adjacent electrostatic agglomerate vortex-flow and defrosting unit
Sealing is arranged, and is also led between the top of the cylinder of the electrostatic agglomerate vortex-flow and defrosting unit of inner wall of tower and bottom and inner wall of tower
Cross plugging plate to be connected setting.Between the adjacent electrostatic agglomerate vortex-flow and defrosting unit of the device, electrostatic agglomerate vortex-flow and defrosting unit with
Being connected by plugging plate between inner wall of tower seals setting so that flue gas can only be removed from electrostatic agglomerate eddy flow from bottom to up
The inner barrel of mist unit passes through, and then ensure that the free drop and the removal efficiency of dust of the device
4th, the quantity of the electrostatic agglomerate vortex-flow and defrosting unit of this device be two or more when, multiple metal discharge lines with electricity
Source line is connected setting, the outer coaxial package insulation tube of the power line, and the insulation tube is through more upper shell and lower shell
Individual cylinder is horizontally set on tower, the setting of the power line so that multiple metal discharge lines can be also turned on power supply and then produce
Raw anion, it is extremely easy to use, while the setting of insulation tube, will not only cause power line due to multiple metal discharge lines
Gravity is to tenesmus, and the insulation pipe insulation, does not also interfere with the use of the device, further ensures using effect.
5th, this device can be used in wet process of FGD, particularly for the equipment of wet process of FGD in the middle of, effect
It is contained free state drop and dust in the flue gas after removing wet process of FGD.
Description of the drawings
Fig. 1 is the structure connection semi-cutaway of electrostatic agglomerate cyclone defogger of the present invention；
Fig. 2 is the structure connection enlarged diagram of electrostatic agglomerate vortex-flow and defrosting unit in Fig. 1；
Fig. 3 overlooks enlarged diagram for the structure connection looked down from upper shell bottom in Fig. 1.
Specific embodiment
By taking accompanying drawing embodiment as an example, the invention will be further described below, following examples be it is descriptive, no
It is determinate, it is impossible to which protection scope of the present invention is limited with this.
A kind of electrostatic agglomerate cyclone defogger, as shown in Figure 1, Figure 2 and Figure 3, described device includes being tightly disposed in tower 1
Interior electrostatic agglomerate vortex-flow and defrosting unit 2, each electrostatic agglomerate vortex-flow and defrosting unit include cylinder 5, deflector 12, metal discharge
Line 10, lower shell 11, upper shell 8, high compression ring 9, nozzle 7, guide vane 6, the guide vane and deflector can insulate,
Bottom in the cylinder is coaxially disposed deflector, and the deflector can carry out rectification, the lower cylinder to the air-flow into cylinder
Body is coaxially disposed in the cylinder above deflector, coaxially connected setting metal discharge line, institute at the top center of the lower shell
The inner wall belt high pressure positive electricity of cylinder is stated, the metal discharge line can release anion, the cylinder above the metal discharge line
Upper shell is coaxially disposed inside, the upper shell is coaxially disposed a nozzle in funnel-form, the top center of the upper shell, the upper shell
Coaxial on outer cylinder inboard wall closely to arrange a high compression ring, the water smoke that nozzle sprays passes through from the middle of high compression ring, by high pressure sensitivity
The principle answered, obtains cation water smoke, is coaxially disposed guide vane in the cylinder above the upper shell.
This device can reduce the limit grain diameter of demister, reduce the effect that demister exports droplet concentration, pending cigarette
Gas enters device from bottom to top, negatively charged by the dust drop in flue gas during lower shell, during by upper shell, with positively charged
After spray water mist agglomerate is grown up, by during guide vane according to air swirl principle, so as to the drop in flue gas and flue gas point
From.
When in use, processed flue gas is entered in the electrostatic agglomerate vortex-flow and defrosting unit of the device this device from bottom to top,
When lower shell, the negative pole and positive pole of metal discharge line and barrel connection high voltage power supply, metal discharge line discharges substantial amounts of
Anion, anion are regular mobile to barrel (positive pole), are combined with the free droplet in flue gas so that trip in moving process
Certain effect is reached to barrel (positive pole) movement, free drop and dust removal efficiency from droplet in the presence of Coulomb force, together
When do not remove the free droplet dust with anion and continue to move up, when upper shell, with act in high compression ring under spray
The cation water smoke agglomerate of mouth injection is combined after growing up, and through guide vane section, in the presence of guide vane, is formed in rotation
Air-flow is risen, so makes the velocity attitude of air-flow convert to form tangential velocity, make the drop acquisition centrifugal force in air-flow, to barrel side
To motion, in the presence of secondary removing, free drop and dust removal efficiency reach most preferably, can not only reduce limit grain
Footpath, moreover it is possible to reduce demister outlet droplet concentration, under air swirl and electrostatic precipitation compound action, device trapping solution can be made
The limit grain diameter of drop is less than 10 microns, and, by electrostatic demisting and air swirl method, reduce desulfurizer smoke evaporative
The water yield, so as to reach the effect of water saving.
In the present embodiment, the quantity of the electrostatic agglomerate vortex-flow and defrosting unit is one or more, when electrostatic gathers
When the quantity of group's vortex-flow and defrosting unit is one, the electrostatic agglomerate vortex-flow and defrosting unit is coaxially tightly disposed in tower；
When the quantity of electrostatic agglomerate vortex-flow and defrosting unit is two or more, the electrostatic agglomerate vortex-flow and defrosting unit is same
Uniformly it is disposed in tower on one horizontal plane, the central axis of each electrostatic agglomerate vortex-flow and defrosting unit is perpendicular with horizontal plane
Arrange, between the top and bottom of the cylinder of each adjacent electrostatic agglomerate vortex-flow and defrosting unit, be connected close by plugging plate 3
Envelope is arranged, and is also passed through between the top of the cylinder of the electrostatic agglomerate vortex-flow and defrosting unit of inner wall of tower and bottom and inner wall of tower
Plugging plate is connected setting.Between the adjacent electrostatic agglomerate vortex-flow and defrosting unit of the device, electrostatic agglomerate vortex-flow and defrosting unit and tower
Being connected by plugging plate between inwall seals setting so that flue gas can only from bottom to up from electrostatic agglomerate vortex-flow and defrosting
The inner barrel of unit passes through, and then ensure that the free drop and the removal efficiency of dust of the device.
In the present embodiment, when the quantity of electrostatic agglomerate vortex-flow and defrosting unit is two or more, multiple metal discharge lines
Be connected setting with power line 4, the outer coaxial package insulation tube of the power line, the insulation tube pass through upper shell and lower shell it
Between multiple cylinders be horizontally set on tower, the setting of the power line so that multiple metal discharge lines can be also turned on power supply
And then anion is produced, and it is extremely easy to use, while the setting of insulation tube, will not only cause power line to put due to multiple metals
The gravity of electric wire is to tenesmus, and the insulation pipe insulation, does not also interfere with the use of the device, further ensures using effect
Really.
In the present embodiment, the cylinder of the electrostatic agglomerate vortex-flow and defrosting unit is straight bucket circular tube structure, and length is
600mm-1000mm, internal diameter are 300mm；Or, the inner wall smooth of the electrostatic agglomerate vortex-flow and defrosting unit, material is fiberglass
Metal dust composite conducting material.
In the present embodiment, the guide vane is made up of multiple blades 6, and the centrage with cylinder is as axle, vertical at which
It is arranged symmetrically on section, each blade there are 30~45 degree of angles with horizontal direction.
In the present embodiment, the deflector is flat board or curved slab.
In the present embodiment, the material of the deflector or/and guide vane is the smooth isolation material in surface.
Apparatus of the present invention can be used in the middle of the equipment of wet process of FGD, and effect is the cigarette after removing wet process of FGD
Contained free state drop in gas.
Claims (6)
1. a kind of electrostatic agglomerate cyclone defogger, it is characterised in that：Described device includes that the electrostatic being tightly disposed in tower gathers
Group's vortex-flow and defrosting unit, each electrostatic agglomerate vortex-flow and defrosting unit include cylinder, deflector, metal discharge line, high compression ring, spray
Mouth, guide vane, the cylinder include that lower shell and upper shell, the guide vane and deflector can insulate, the cylinder
Internal bottom is coaxially disposed deflector, and the deflector can carry out rectification to the air-flow into cylinder, and the lower shell is coaxial
It is arranged in the cylinder above deflector, coaxially connected setting metal discharge line, the cylinder at the top center of the lower shell
Inner wall belt high pressure positive electricity, the metal discharge line can release anion, coaxial in the cylinder above the metal discharge line
Upper shell is set, and the upper shell is cylindrical, and the top center of the upper shell is coaxially disposed a nozzle, the external cylinder of the top cylinder
Coaxial on inwall closely to arrange a high compression ring, the water smoke that the nozzle sprays passes through from the middle of high compression ring, by high voltage induction
Principle, obtains cation water smoke, is coaxially disposed guide vane in the cylinder above the upper shell；
The quantity of the electrostatic agglomerate vortex-flow and defrosting unit is one or more, when the number of electrostatic agglomerate vortex-flow and defrosting unit
Measure for one when, the electrostatic agglomerate vortex-flow and defrosting unit is coaxially tightly disposed in tower；
When the quantity of electrostatic agglomerate vortex-flow and defrosting unit is two or more, the electrostatic agglomerate vortex-flow and defrosting unit is in same water
Uniformly it is disposed in tower in plane, the central axis of each electrostatic agglomerate vortex-flow and defrosting unit is perpendicular with horizontal plane to be set
Put, set by the plugging plate sealing that is connected between the top and bottom of the cylinder of each adjacent electrostatic agglomerate vortex-flow and defrosting unit
Put, also by closure between the top of the cylinder of the electrostatic agglomerate vortex-flow and defrosting unit of inner wall of tower and bottom and inner wall of tower
Plate is connected setting；
When the quantity of electrostatic agglomerate vortex-flow and defrosting unit is two or more, multiple metal discharge lines are connected with power line and are set
Put, the outer coaxial package insulation tube of the power line, the insulation tube are set through the multiple cylinder levels upper shell and lower shell
Put on tower；
The cylinder of the electrostatic agglomerate vortex-flow and defrosting unit is straight bucket circular tube structure, and length is 600mm-1000mm, and internal diameter is
300mm；Or, the inner wall smooth of the electrostatic agglomerate vortex-flow and defrosting unit, material are fiberglass metal dust composite conducting material
Matter.
2. electrostatic agglomerate cyclone defogger according to claim 1, it is characterised in that：The guide vane is by multiple leaves
Piece is constituted, and the centrage with cylinder is arranged symmetrically on its vertical cross-section as axle, and each blade has 30~45 with horizontal direction
Degree angle.
3. electrostatic agglomerate cyclone defogger according to claim 1, it is characterised in that：The deflector is flat board or song
Panel.
4. electrostatic agglomerate cyclone defogger according to claim 1, it is characterised in that：The deflector or/and water conservancy diversion
The material of blade is the smooth isolation material in surface.
5. application of the electrostatic agglomerate cyclone defogger as described in any one of Claims 1-4 in wet process of FGD.
6. application of the electrostatic agglomerate cyclone defogger according to claim 5 in wet process of FGD, its feature exist
In：In the contained free state drop dust in the flue gas after removing wet process of FGD of the electrostatic agglomerate cyclone defogger
Application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510751079.6A CN105251304B (en) | 2015-11-06 | 2015-11-06 | Electrostatic agglomeration cyclone demisting device and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510751079.6A CN105251304B (en) | 2015-11-06 | 2015-11-06 | Electrostatic agglomeration cyclone demisting device and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105251304A CN105251304A (en) | 2016-01-20 |
| CN105251304B true CN105251304B (en) | 2017-05-17 |
Family
ID=55091403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510751079.6A Active CN105251304B (en) | 2015-11-06 | 2015-11-06 | Electrostatic agglomeration cyclone demisting device and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105251304B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957181A (en) * | 2020-06-23 | 2020-11-20 | 中国华电科工集团有限公司 | Pollutant purification device and method |
| CN111841219A (en) * | 2020-07-17 | 2020-10-30 | 浙江天地环保科技股份有限公司 | Dust and mist eliminator with negative ion generating device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2408954Y (en) * | 2000-01-28 | 2000-12-06 | 生继成 | Main body for boiler flue type device for eliminating smoke, dedusting and desulfurizing |
| CN1511639A (en) * | 2002-12-31 | 2004-07-14 | 辛泽祝 | Electric defroster of glass fiber reinforced plastics polypropylene composite material |
| CN203663627U (en) * | 2013-11-11 | 2014-06-25 | 无锡市东邦环保科技有限公司 | Electrostatic dust removal equipment |
| CN104437039B (en) * | 2014-06-05 | 2016-08-17 | 浙江富春江环保热电股份有限公司 | Denitration demister after wet desulphurization and method |
| CN104307634B (en) * | 2014-09-17 | 2017-05-24 | 上海交通大学 | Cyclonic and electrostatic coupling high-efficiency dust and mist removal apparatus and its application |
| CN205109303U (en) * | 2015-11-06 | 2016-03-30 | 航天环境工程有限公司 | Static gathers a whirl defogging device |
-
2015
- 2015-11-06 CN CN201510751079.6A patent/CN105251304B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105251304A (en) | 2016-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105727669B (en) | Dedusting demister and its application process | |
| CN103550949A (en) | Dedusting and defogging device | |
| CN103203284A (en) | Wet type electrostatic precipitator | |
| CN104984597A (en) | Pneumatic-cyclone parallel-combination demister and application thereof | |
| CN109569904B (en) | Cyclone-electrostatic demister | |
| CN207187395U (en) | A kind of Waste tire regeneration exhaust treatment system | |
| CN103962240A (en) | Wet type electric precipitation device and method for removing fine particulate matters in smoke desulfurized by wet process | |
| CN107198907A (en) | Multitube eddy flow couples dedusting defogging equipment | |
| CN103480263A (en) | Pre-charge spraying desulfurization and dust removal device | |
| CN104923020A (en) | High-efficiency pneumatic pipe bundle phase-change dedusting and demisting device and application | |
| CN203484018U (en) | Charged water mist desulfurization deduster | |
| CN106362880A (en) | Bipolar charging-cyclone separation apparatus and technology used for flue gas dedusting | |
| CN105251304B (en) | Electrostatic agglomeration cyclone demisting device and application | |
| CN203853168U (en) | Device for removing PM2.5 from wet flue gas | |
| CN209997390U (en) | dust removing device | |
| CN106731427A (en) | A kind of spray drying FGD process system of sound wave auxiliary | |
| CN204911024U (en) | Pneumatic whirl parallel combination defogging device | |
| CN110721547A (en) | Charged spraying device and dust suppression system | |
| CN206168143U (en) | Wet classification dust collector | |
| CN104492169B (en) | A kind of downflow type is without winding spin line demister | |
| CN205109303U (en) | Static gathers a whirl defogging device | |
| CN206549394U (en) | A kind of spray drying FGD process system of sound wave auxiliary | |
| CN205436015U (en) | Double -deck water conservancy diversion orifice plate of wet -type FRP -electric conduction electric demister | |
| CN105536418A (en) | Dust purification device of coal bed methane gathering and transportation pipeline | |
| CN205084534U (en) | Small -size tertiary defroster |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |