CN204447639U - A kind of equipment removing nanoscale dust in gas - Google Patents
A kind of equipment removing nanoscale dust in gas Download PDFInfo
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- CN204447639U CN204447639U CN201420839803.1U CN201420839803U CN204447639U CN 204447639 U CN204447639 U CN 204447639U CN 201420839803 U CN201420839803 U CN 201420839803U CN 204447639 U CN204447639 U CN 204447639U
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Abstract
The utility model relates to a kind of equipment removing nanoscale dust, separating force directly acts on particle by this cleaner, can remove nanoscale dust in gas, is applicable to optic communication, the dedusting of new forms of energy industry.Comprise board-like positive pole, tubular type negative pole, spray equipment, airflow distribution device, shell, dashpot, exhaust duct and air-introduced machine; Be provided with board-like positive pole mounting bracket, tubular type negative pole mounting bracket in shell, board-like positive pole mounting bracket is provided with board-like positive pole, tubular type negative pole mounting bracket is provided with tubular type negative pole, tubular type negative pole is between board-like positive pole; Spray equipment comprises water pipe, spray head, and water pipe distributes position, three, upper, middle and lower in the enclosure, and spray head is evenly distributed on water pipe, and spray head is 360 degree of directional spreding; Airflow distribution device is made up of increaser and airflow-distribution board; Dashpot is arranged on outer casing underpart, is provided with exhaust duct in cover top portion, and exhaust duct is equipped with air-introduced machine.
Description
Technical field
The utility model relates to a kind of equipment removing nanoscale dust, separating force directly acts on particle by this cleaner, can remove nanoscale dust in gas, is applicable to optic communication, the dedusting of new forms of energy industry.
Background technology
Existing main cleaner has mechanical collector, filtration dust catcher, electric cleaner and wet scrubber.In use, a large amount of dust will be attached on positive pole common electric cleaner.(process air quantity>=20 × 10 when processing large quantity of exhaust gas
4m
3/ h), the positive pole of barrel shaped structure, employing common material will be corroded or deform, once both positive and negative polarity deforms, generation discharged frequently between both positive and negative polarity, negative pole will there will be swing, and the deflection of negative pole will increase the weight of, final fracture.Even if install weight in the bottom of negative pole, also distortion cannot be corrected completely.
The mode of oscillation of employing routine cannot remove the dust on positive pole completely, even if adopt Water spray, for large-scale deduster, shower water cannot arrive the bottom of equipment, and the bottom of electric cleaner is serious by laying dust, and this will reduce the stability of deduster operation.
Summary of the invention
The purpose of this utility model is to solve the easy laying dust of positive electrode surface and the yielding problem of negative pole, providing a kind of equipment removing nanoscale dust in gas.
A kind of equipment removing nanoscale dust in gas of the utility model takes following technical scheme to realize:
A kind of equipment removing nanoscale dust in gas comprises board-like positive pole, tubular type negative pole, spray equipment, airflow distribution device, shell, dashpot, exhaust duct and air-introduced machine.Be provided with board-like positive pole mounting bracket, tubular type negative pole mounting bracket in shell, board-like positive pole mounting bracket is provided with board-like positive pole, tubular type negative pole mounting bracket is provided with tubular type negative pole, and tubular type negative pole is between board-like positive pole.
Spray equipment comprises water pipe, spray head, water pipe distributes position, three, upper, middle and lower in the enclosure, and spray head is evenly distributed on water pipe, and spray head is 360 degree of directional spreding, can comprehensive spray on board-like positive pole, tubular type negative pole, remove absorption nanoscale dust.
Airflow distribution device is made up of increaser and airflow-distribution board, and increaser is arranged on outer casing bottom, and airflow-distribution board is arranged on increaser top, and airflow-distribution board is uniformly distributed airflow hole.
Dashpot is arranged on outer casing underpart, for accepting the waste water rinsing adsorption of dust generation.
Cover top portion is provided with outlet, exhaust duct is installed, exhaust duct is equipped with air-introduced machine (see accompanying drawing 1).
board-like positive pole:this cleaner adopts board-like positive pole, and bottom is Triangle ID structure, and stability is stronger.This board-like positive pole is convenient to dust and is deposited above, avoids reentrainment of dust, is convenient to deashing simultaneously, and simple shape is easy to make and has enough rigidity (see accompanying drawing 2).
Board-like positive pole adopts resin, graphite powder, carbon fiber to process, can high temperature resistant and electrochemical corrosion.Compared to traditional steel material, the service life of this positive pole increases greatly, and can use for a long time under sour environment and indeformable.
tubular type negative pole:the negative pole of this cleaner is the critical piece producing corona discharge, and its performance quality directly affects the performance of dedusting.This cleaner adopts tubular type negative pole, and surface curvature is large, has discharge inception voltage low, the feature that corona current is large.Tubular type negative terminal surface is provided with spray point, and mechanical strength is high, and its sharpest edges are in actual moving process, can ensure that the spacing of negative pole and positive pole can not deform, avoid paradoxical discharge, maintains preferably efficiency of dust collection (see accompanying drawing 3).
In order to tackle the corrosion of high temperature and severe corrosive acid gas, by research repeatedly, determine the negative pole adopting nickel-base alloy (titanium alloy or super stainless steel) to make this cleaner.
This cleaner is on the basis of a large amount of theory calculate and test, determine rational both positive and negative polarity spacing (spacing 10cm-50cm) and positive die opening (15cm-50cm), avoid both positive and negative polarity spacing and weaken strength of discharge too greatly, or the positive too small shortcoming that strength of discharge is reduced of die opening.
spray equipment:this cleaner adopts high pressure, multilayer, omnirange water sprinkler system to remove the dust that board-like positive pole and tubular type negative pole adsorb, and when water rinses board-like positive pole, board-like positive electrode surface can form water membrane, and dust just flows down with moisture film.This water spray system is multilayer, omnirange structure, even (process air quantity>=20 × 10 during process large quantity of exhaust gas
4m
3/ h), also effectively can remove the laying dust on board-like positive pole and tubular type negative pole.Avoid dust deposit on positive pole, affect corona current size and uniformity, cause efficiency of dust collection to reduce.
Meanwhile, this water spray system can regulate hydraulic pressure, the water yield according to temperature in device, also can according to the adjustment running time water spray frequency of device, the reasonable employment water yield.
airflow distribution device:in this cleaner, the uniformity of air flow method is comparatively large on efficiency of dust collection impact, and the entrance of this cleaner establishes increaser, and airflow-distribution board established by increaser.This airflow-distribution board distributed uniform hole (see accompanying drawing 4), the quantity of hole and hole spacing confirm after passing through test of many times (quantity: 10-30/square metre, aperture: 30mm-80mm, thickness is 2mm-5mm).This airflow distribution device distributing homogeneity is good, drag losses is little, can reduce eddy current, ensures that air flow method is even.
shell:the shell of this cleaner is that fiberglass integrally processes, and shell is divided into several sections, and every section of shell adopts flange docking, and it is coated that the inside of docking carries out fiberglass again, can ensure sealing, can select the glass fibre reinforced plastics casing of unlike material according to different acid gas.
dashpot:be dashpot bottom this cleaner, for collecting the waste water that adsorption of dust produces.
A kind of dust collection method removing the equipment of nanoscale dust in gas is as follows:
Produce the waste gas containing nanometer grade silica in preform production process, waste gas enters bottom this cleaner, and by increaser and airflow-distribution board, wind speed reduces to 3-7.5m/s, and gas uniform is distributed in device interior.Be provided with board-like positive pole, tubular type negative pole in cleaner, board-like positive pole, tubular type negative pole are connected to voltage 20KV-50KV, the high voltage direct current two ends of electric current 50mA-500mA, producing one between board-like positive pole, tubular type negative pole is enough to the electrostatic field making gas ionization.When the waste gas containing nanoscale dust is by after airflow distribution device, will by two interpolar inhomogeneous fields, when passing through, ionize under highfield effect around negative pole, form gas ion and electronics and make powder dust particle charged, powder dust particle after charged deposits to board-like positive polar motion under electric field force effect on board-like positive pole, thus reaches the object of dust and gas separaion.When board-like anode powdering dirt reaches certain thickness, spray equipment is adopted dust to be flushed to bottom dashpot.The waste gas removed after nanoscale dust will by discharging after exhaust duct, air-introduced machine.On the whole, the operation principle of this cleaner comprises the process (see accompanying drawing 5) such as migration, trapping of corona discharge, gas ionization, charging particle, charged particle.
A kind of equipment advantage removing nanoscale dust in gas:
The fundamental difference of this cleaner and other dedusters is that the separating force of dust removal process directly acts on particle, instead of acts on whole air-flow.
It is large that board-like in this cleaner is just having dust-collecting area, be easy to cleaning, and simple shape is easy to make and has enough rigidity.This board-like positive pole adopts resin, graphite powder, carbon fiber to process, can high temperature resistant and electrochemical corrosion.Compared to traditional steel material, the service life of this positive pole increases greatly, and can use for a long time under sour environment and indeformable.
It is high that tubular type negative pole in this cleaner has intensity, on-deformable feature, can ensure that the spacing of discharge electrode and dust collecting electrode can not change, avoid paradoxical discharge, maintains preferably efficiency of dust collection (can reach more than 99%).
Spray equipment in this cleaner is multilayer, omnirange structure, even (process air quantity>=20 × 10 during process large quantity of exhaust gas
4m
3/ h), also effectively can remove the laying dust on board-like positive pole and tubular type negative pole.Avoid dust deposit to affect corona current size and uniformity on board-like positive pole, cause efficiency of dust collection to reduce.This water sprinkler system can regulate hydraulic pressure, the water yield according to temperature in device, also can according to the adjustment running time water spray frequency of device, the reasonable employment water yield, low (the power consumption 0.2-0.8kwh/1000m of energy consumption
3waste gas).
Airflow distribution device distributing homogeneity in this cleaner is good, drag losses little (100-300pa), can reduce eddy current, ensures that air flow method is even.
Shell in this cleaner adopts glass steel material, ensureing bubble-tight while, can also resist the corrosion of multiple sour gas simultaneously.
Accompanying drawing explanation
Below with reference to accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structure chart of the equipment of nanoscale dust in removal gas of the present utility model.
In figure: 1. spray equipment; 2. fixed support; 3. tubular type negative pole; 4. board-like positive pole; 5. airflow distribution device; 6. shell; 7. dashpot; 8. exhaust duct; 9. air-introduced machine.
Fig. 2 is the board-like positive pole schematic diagram of the equipment of nanoscale dust in removal gas of the present utility model.
Fig. 3 is the tubular type negative pole schematic diagram of the equipment of nanoscale dust in removal gas of the present utility model.
Fig. 4 is the airflow distribution device schematic diagram of the equipment of nanoscale dust in removal gas of the present utility model.
Fig. 5 is the equipment of nanoscale dust and the fundamental diagram of dust collection method in removal gas of the present utility model.
In figure: a. corona discharge; B. gas ionization; C. charging particle; D. charged particle migration; E. charged particle trapping.
Detailed description of the invention
With reference to accompanying drawing 1 ~ 5, a kind of equipment removing nanoscale dust in gas comprises board-like positive pole, tubular type negative pole, spray equipment 1, airflow distribution device 5, shell 6, dashpot 7, exhaust duct 8 and air-introduced machine 9.Be provided with board-like positive pole mounting bracket, tubular type negative pole mounting bracket in shell 6, board-like positive pole mounting bracket is provided with board-like positive pole 4, tubular type negative pole mounting bracket is provided with tubular type negative pole 3, tubular type negative pole 3 is between board-like positive pole 4.
Spray equipment 1 comprises water pipe, spray head, water pipe distributes position, three, upper, middle and lower in the enclosure, and spray head is evenly distributed on water pipe, and spray head is 360 degree of directional spreding, can comprehensive spray on board-like positive pole, tubular type negative pole, remove absorption nanoscale dust.
Airflow distribution device 5 is made up of increaser and airflow-distribution board, and increaser is arranged on outer casing bottom, and airflow-distribution board is arranged on increaser top, and airflow-distribution board is uniformly distributed airflow hole.
Dashpot 7 is arranged on outer casing underpart, for accepting the waste water rinsing adsorption of dust generation.
Shell 6 top is provided with outlet, exhaust duct 8 is installed, exhaust duct 8 is equipped with air-introduced machine 9(and sees accompanying drawing 1).
board-like positive pole:this cleaner adopts board-like positive pole 4, and bottom is Triangle ID structure, and stability is stronger.This board-like positive pole is convenient to dust and is deposited above, avoids reentrainment of dust, is convenient to deashing simultaneously, and simple shape is easy to make and has enough rigidity (see accompanying drawing 2).
Board-like positive pole adopts resin, graphite powder, carbon fiber to process, can high temperature resistant and electrochemical corrosion.Compared to traditional steel material, the service life of this positive pole increases greatly, and can use for a long time under sour environment and indeformable.
tubular type negative pole:the negative pole of this cleaner is the critical piece producing corona discharge, and its performance quality directly affects the performance of dedusting.This cleaner adopts tubular type negative pole 3, and surface curvature is large, has discharge inception voltage low, the feature that corona current is large.Tubular type negative pole 3 is provided with spray point on the surface, and mechanical strength is high, and its sharpest edges are in actual moving process, can ensure that the spacing of tubular type negative pole and board-like positive pole can not deform, avoid paradoxical discharge, maintains preferably efficiency of dust collection (see accompanying drawing 3).
In order to tackle the corrosion of high temperature and severe corrosive acid gas, by research repeatedly, determine the negative pole adopting nickel-base alloy (titanium alloy or super stainless steel) to make this cleaner.
This cleaner is on the basis of a large amount of theory calculate and test, determine rational both positive and negative polarity spacing (spacing 10cm-50cm) and positive die opening (15cm-50cm), avoid both positive and negative polarity spacing and weaken strength of discharge too greatly, or the positive too small shortcoming that strength of discharge is reduced of die opening.
spray equipment:this cleaner adopts high pressure, multilayer, omnirange water spray system 1 to remove the dust that board-like positive pole and tubular type negative pole adsorb, and when water rinses board-like positive pole, board-like positive electrode surface can form water membrane, and dust just flows down with moisture film.This water spray system is multilayer, omnirange structure, even (process air quantity>=20 × 10 during process large quantity of exhaust gas
4m
3/ h), also effectively can remove the laying dust on board-like positive pole and tubular type negative pole.Avoid dust deposit to affect corona current size and uniformity on board-like positive pole, cause efficiency of dust collection to reduce.
Meanwhile, this water spray system can regulate hydraulic pressure, the water yield according to temperature in device, also can according to the adjustment running time water spray frequency of device, the reasonable employment water yield.
airflow distribution device:in this cleaner, the uniformity of air flow method is comparatively large on efficiency of dust collection impact, and the entrance of this cleaner establishes increaser, and airflow-distribution board established by increaser.This airflow-distribution board distributed uniform hole (see accompanying drawing 4), the quantity of hole and hole spacing confirm after passing through test of many times (quantity: 10-30/square metre, aperture: 30mm-80mm, thickness is 2mm-5mm).This airflow distribution device distributing homogeneity is good, drag losses is little, can reduce eddy current, ensures that air flow method is even.
shell:the shell of this cleaner is that fiberglass integrally processes, and shell is divided into several sections, and every section of shell adopts flange docking, and it is coated that the inside of docking carries out fiberglass again, can ensure sealing, can select the glass fibre reinforced plastics casing of unlike material according to different acid gas.
dashpot:be dashpot bottom this cleaner, for collecting the waste water that adsorption of dust produces.
A kind of dust collection method removing the equipment of nanoscale dust in gas is as follows:
Produce the waste gas containing nanometer grade silica in preform production process, waste gas enters bottom this cleaner, and by increaser and airflow-distribution board, wind speed reduces to 3-7.5m/s, and gas uniform is distributed in device interior.Be provided with board-like positive pole, tubular type negative pole in cleaner, board-like positive pole, tubular type negative pole are connected to voltage 20KV-50KV, the high voltage direct current two ends of electric current 50mA-500mA, producing one between board-like positive pole, tubular type negative pole is enough to the electrostatic field making gas ionization.When the waste gas containing nanoscale dust is by after airflow distribution device, will by two interpolar inhomogeneous fields, when passing through, ionize under highfield effect around tubular type negative pole, form gas ion and electronics and make powder dust particle charged, powder dust particle after charged deposits to board-like positive polar motion under electric field force effect on board-like positive pole, thus reaches the object of dust and gas separaion.When board-like anode powdering dirt reaches certain thickness, spray equipment is adopted dust to be flushed to bottom dashpot.The waste gas removed after nanoscale dust will by discharging after exhaust duct, air-introduced machine.On the whole, the operation principle of this cleaner comprises the process (see accompanying drawing 5) such as migration, trapping of corona discharge, gas ionization, charging particle, charged particle.
Claims (5)
1. remove an equipment for nanoscale dust in gas, it is characterized in that: comprise board-like positive pole, tubular type negative pole, spray equipment, airflow distribution device, shell, dashpot, exhaust duct and air-introduced machine; Be provided with board-like positive pole mounting bracket, tubular type negative pole mounting bracket in shell, board-like positive pole mounting bracket is provided with board-like positive pole, tubular type negative pole mounting bracket is provided with tubular type negative pole, tubular type negative pole is between board-like positive pole;
Spray equipment comprises water pipe, spray head, water pipe distributes position, three, upper, middle and lower in the enclosure, and spray head is evenly distributed on water pipe, and spray head is 360 degree of directional spreding, can comprehensive spray on board-like positive pole, tubular type negative pole, remove absorption nanoscale dust;
Airflow distribution device is made up of increaser and airflow-distribution board, and increaser is arranged on outer casing bottom, and airflow-distribution board is arranged on increaser top, and airflow-distribution board is uniformly distributed airflow hole;
Dashpot is arranged on outer casing underpart, for accepting the waste water rinsing adsorption of dust generation;
Cover top portion is provided with outlet, exhaust duct is installed, exhaust duct is equipped with air-introduced machine.
2. a kind of equipment removing nanoscale dust in gas according to claim 1, is characterized in that: described board-like positive pole bottom is Triangle ID structure, and stability is stronger.
3. a kind of equipment removing nanoscale dust in gas according to claim 1, is characterized in that: described board-like positive pole adopts resin, graphite powder, carbon fiber to process.
4. a kind of equipment removing nanoscale dust in gas according to claim 1, is characterized in that: described tubular type negative terminal surface is provided with spray point.
5. a kind of equipment removing nanoscale dust in gas according to claim 1, is characterized in that: shell is divided into several sections, and every section of shell adopts flange docking, and it is coated that the inside of docking carries out fiberglass again, can ensure sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420839803.1U CN204447639U (en) | 2014-12-26 | 2014-12-26 | A kind of equipment removing nanoscale dust in gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420839803.1U CN204447639U (en) | 2014-12-26 | 2014-12-26 | A kind of equipment removing nanoscale dust in gas |
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| Publication Number | Publication Date |
|---|---|
| CN204447639U true CN204447639U (en) | 2015-07-08 |
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|---|---|---|---|
| CN201420839803.1U Active CN204447639U (en) | 2014-12-26 | 2014-12-26 | A kind of equipment removing nanoscale dust in gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104587780A (en) * | 2014-12-26 | 2015-05-06 | 中天科技精密材料有限公司 | Equipment for removing nano-grade dust in gas and dust removing method of equipment |
| CN111068448A (en) * | 2020-01-17 | 2020-04-28 | 中海石油气电集团有限责任公司 | Gas turbine inlet air filtering device and method |
-
2014
- 2014-12-26 CN CN201420839803.1U patent/CN204447639U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104587780A (en) * | 2014-12-26 | 2015-05-06 | 中天科技精密材料有限公司 | Equipment for removing nano-grade dust in gas and dust removing method of equipment |
| CN111068448A (en) * | 2020-01-17 | 2020-04-28 | 中海石油气电集团有限责任公司 | Gas turbine inlet air filtering device and method |
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| GR01 | Patent grant |