CN105425062B - A kind of electrofiltration equipment performance detecting system - Google Patents
A kind of electrofiltration equipment performance detecting system Download PDFInfo
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- CN105425062B CN105425062B CN201510746988.0A CN201510746988A CN105425062B CN 105425062 B CN105425062 B CN 105425062B CN 201510746988 A CN201510746988 A CN 201510746988A CN 105425062 B CN105425062 B CN 105425062B
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- particulate matter
- electrofiltration
- power supply
- voltage source
- detecting system
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- 238000011043 electrofiltration Methods 0.000 title claims abstract description 32
- 239000013618 particulate matter Substances 0.000 claims abstract description 25
- 238000005259 measurement Methods 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims abstract description 10
- 239000008187 granular material Substances 0.000 claims abstract description 9
- 239000000443 aerosol Substances 0.000 claims abstract description 7
- 238000010790 dilution Methods 0.000 claims abstract description 7
- 239000012895 dilution Substances 0.000 claims abstract description 7
- 230000005684 electric field Effects 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
Landscapes
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electrostatic Separation (AREA)
- Sampling And Sample Adjustment (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The invention discloses a kind of electrofiltration equipment performance detecting system, mainly includes pollution particulate matter generation and electrostatic treatment devices, measuring concentration of granules in certain device, power supply and these three parts of field measurement device.The pollution particulate matter produces and electrostatic treatment devices mainly include filter, wind turbine, particulate matter syringe and electrofiltration equipment, the granule density measuring device mainly includes dilution chamber and aerosol spectrometer, and the power supply and field measurement device mainly include DC high-voltage source, DC low-voltage source, high pressure divider resistance, current probe, ammeter and voltmeter.The system integrates power supply, electric field measurement and the measuring concentration of granules in certain of electrofiltration equipment, and easy to operate, equipment cost is low, and the performance measurement of electrofiltration equipment is comprehensive, concise, reliable.
Description
Technical field
The present invention relates to a kind of electrofiltration equipment performance detecting system, more particularly to the efficiency of dust collection of electrofiltration equipment and electric field spy
Property simultaneous determination.
Background technology
The pollution of fine solid particle particulate matter, the long-term serious health for endangering compatriots.Electrofiltration equipment is coal-fired as control
The very effective equipment of flue gas, can be to the wet flue gas acid mist after flue gas desulfurization and denitrification, aerosol, fine solid particle particulate matter, again
Metal etc. reaches collaboration well and removes.Therefore the performance that electrofiltration is equipped need to be improved by comprehensive reliable detection method, and mesh
The performance detection of preceding electrofiltration equipment is relatively simple, it is difficult to and it is comprehensively reliable to improve electrofiltration equipment performance, it is increasingly stringent to meet
Discharge standard.
The content of the invention
It is an object of the invention to provide a kind of electrofiltration equipment performance detecting system, which not only can be comprehensively reliable
Meter calculates each Electric Field Characteristics, and can measure the concentration of pollution particulate matter, so as to predict that electrofiltration fills well
Standby performance.
The technical problems to be solved by the invention are realized using following technical scheme.
A kind of electrofiltration equipment performance detecting system, it is characterised in that：Including pollution particulate matter generation and electrostatic treatment devices
(I), measuring concentration of granules in certain device (II), power supply and (III) three part of field measurement device；The pollution particulate matter electrostatic
Produce and processing unit (I), measuring concentration of granules in certain device (II) are connected by pipeline, power supply and field measurement device (III) are logical
Cross electric wire and be connected with the corona discharge electrode that electrofiltration is equipped in (5)；Installed in the pollution particulate matter generation and electrostatic treatment devices (I)
Filter (1), air blower (2), particulate matter syringe (3), valve (4), electrofiltration equipment (5), screen (6), insulating supporting (7), wind
Speed meter (8) and wind turbine (9)；Installation air bottle (10), drier (11), dilution chamber in the measuring concentration of granules in certain device (II)
(12), aerosol spectrometer (13) and computer (14)；Installation current probe in the power supply and field measurement device (III)
(15), ammeter (16), DC low-voltage source (17), high pressure divider resistance (18), protective resistance (19), DC high-voltage source (20) and
Voltmeter (21)；DC high-voltage power supply (20) provides high pressure, and DC low voltage power supply (17) provides voltage difference Vb, ammeter (16) is logical
Overcurrent probe (15) measures electric current, and voltage is measured by voltmeter (21), works as VbWhen ≠ 0, ammeter (16) measure for I；
Work as VbWhen=0, measure for I0, obtain electric current ratioElectric field strength E can pass through electric current ratio
So as to which charge density, current density and electric field force can be calculated successively.
Further, the air is by air blower (2), and by filter (1), pollution particulate matter is injected by particulate matter
Device (3) injects, and reaches and equips (5) by the electrofiltration of insulating supporting (7) support, wind speed is measured by airspeedometer (8), finally by air inducing
Machine (9) is discharged.
Further, the sucking probe is equipped in dust collector pole from electrofiltration takes out pollution particulate matter, by dilution chamber (12),
By aerosol spectrometer (13), computer (14) is as a result stored in, at no loading DC high-voltage source (20), the particle that measures
Thing concentration is C0(dp)；When loading DC high-voltage source (20), the particle concentration measured is CHV(dp), in order to eliminate measurement ripple
It is dynamic, in measurement C0(dp) and CHV(dp) when, a certain number of particles are injected per 6s, finally by formulaTo calculate efficiency of dust collection.
The invention has the advantages that the Electric Field Characteristics measurement of integrated electrofiltration equipment and pollution particulate matter measurement of concetration are in one
Body, measuring device is simple and reliable, and clear process understands, compared with existing single electrofiltration equipment performance detection, more comprehensively, letter
It is bright, reliable.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is electrofiltration equipment performance detecting system flow diagram.
In Fig. 1, (1) filter, (2) air blower, (3) particulate matter syringe, (4) valve, (5) electrofiltration equipment, (6) screen
Wind, (7) insulating supporting, (8) airspeedometer, (9) air-introduced machine, (10) air bottle, (11) drier, (12) dilution chamber, (13) gas are molten
Glue spectrometer, (14) computer, (15) current probe, (16) ammeter, (17) DC low-voltage source, (18) high pressure divider resistance,
(19) protective resistance, (20) DC high-voltage source, (21) voltmeter.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows composition related to the present invention.
In Fig. 1, air is by air blower (2), and by filter (1), pollution particulate matter passes through particulate matter syringe (3)
Injection, reaches and equips (5) by the electrofiltration of insulating supporting (7) support, wind speed is measured by airspeedometer (8), finally by air-introduced machine (9)
Discharge；Pollution particulate matter is taken out through sucking probe from electrofiltration equipment dust collector pole, by dilution chamber (12), by aerosol spectrum
Instrument (13), is as a result stored in computer (14).At no loading DC high-voltage power supply (20), the particle concentration measured is C0
(dp)；When loading DC high-voltage power supply (20), the particle concentration measured is CHV(dp), in order to eliminate measurement fluctuation, surveying
Measure C0(dp) and CHV(dp) when, a certain number of particles are injected per 6s, finally by formulaTo calculate
Efficiency of dust collection；DC high-voltage power supply (20) provides high pressure, and DC low voltage power supply (17) provides voltage difference Vb, ammeter (16) passes through
Current probe (15) measures electric current, and voltage is measured by voltmeter (21).Work as VbWhen ≠ 0, ammeter (16) measure for I；Work as Vb
When=0, measure for I0, therefore obtain electric current ratioElectric field strength E can pass through electric current ratioObtain, from
And charge density, current density and electric field force can be calculated successively.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (3)
- A kind of 1. electrofiltration equipment performance detecting system, it is characterised in that：Including pollution particulate matter generation and electrostatic treatment devices (I), measuring concentration of granules in certain device (II), power supply and (III) three part of field measurement device；The pollution particulate matter electrostatic Produce and processing unit (I), measuring concentration of granules in certain device (II) are connected by pipeline, power supply and field measurement device (III) are logical Cross electric wire and be connected with the corona discharge electrode that electrofiltration is equipped in (5)；Installed in the pollution particulate matter generation and electrostatic treatment devices (I) Filter (1), air blower (2), particulate matter syringe (3), valve (4), electrofiltration equipment (5), screen (6), insulating supporting (7), wind Speed meter (8) and wind turbine (9)；Installation air bottle (10), drier (11), dilution chamber in the measuring concentration of granules in certain device (II) (12), aerosol spectrometer (13) and computer (14)；Installation current probe in the power supply and field measurement device (III) (15), ammeter (16), DC low-voltage source (17), high pressure divider resistance (18), protective resistance (19), DC high-voltage source (20) and Voltmeter (21)；DC high-voltage power supply (20) provides high pressure, and DC low voltage power supply (17) provides voltage difference Vb, ammeter (16) is logical Overcurrent probe (15) measures electric current, and voltage is measured by voltmeter (21), works as VbWhen ≠ 0, ammeter (16) measure for I； Work as VbWhen=0, measure for I0, obtain electric current ratioElectric field strength E can pass through electric current ratio So as to which charge density, current density, electric field force can be calculated successively.
- 2. electrofiltration equipment performance detecting system as claimed in claim 1, it is characterised in that：Air is passed through by air blower (2) Filter (1), pollution particulate matter are injected by particulate matter syringe (3), are reached and are equipped by the electrofiltration of insulating supporting (7) support (5), wind speed is measured by airspeedometer (8), is finally discharged by air-introduced machine (9).
- 3. electrofiltration equipment performance detecting system as claimed in claim 1, it is characterised in that：Probe is sucked to gather dust from electrofiltration equipment Extremely middle taking-up pollution particulate matter, by dilution chamber (12), by aerosol spectrometer (13), is as a result stored in computer (14), When not loading DC high-voltage source (20), the particle concentration measured is C0(dp)；When loading DC high-voltage source (20), measure Particle concentration be CHV(dp), in order to eliminate measurement fluctuation, in measurement C0(dp) and CHV(dp) when, the injection certain amount per 6s Particle, finally by formulaTo calculate efficiency of dust collection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510746988.0A CN105425062B (en) | 2015-11-05 | 2015-11-05 | A kind of electrofiltration equipment performance detecting system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510746988.0A CN105425062B (en) | 2015-11-05 | 2015-11-05 | A kind of electrofiltration equipment performance detecting system |
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| Publication Number | Publication Date |
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| CN105425062A CN105425062A (en) | 2016-03-23 |
| CN105425062B true CN105425062B (en) | 2018-05-04 |
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| CN201510746988.0A Active CN105425062B (en) | 2015-11-05 | 2015-11-05 | A kind of electrofiltration equipment performance detecting system |
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| CN107144702A (en) * | 2017-06-12 | 2017-09-08 | 同济大学 | Fan filter unit and EFU faces wind speed uniformity automatic testing equipment and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202886238U (en) * | 2012-09-14 | 2013-04-17 | 北京航天益来电子科技有限公司 | Industrial PM2.5 (Particulate Matter 2.5) online detection system |
| CN104941801A (en) * | 2015-06-26 | 2015-09-30 | 上海纳米技术及应用国家工程研究中心有限公司 | Detecting device for evaluating dust collection efficiency of electrostatic dust collector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS61195366A (en) * | 1985-02-26 | 1986-08-29 | Toshiba Corp | Testing instrument for lightening arrestor disconnecting device |
| CN100592070C (en) * | 2006-04-25 | 2010-02-24 | 何宗彦 | Method for in-situ detection of aerosol particle concentration and detector thereof |
| CN102221654A (en) * | 2011-04-09 | 2011-10-19 | 太原罗克佳华工业有限公司 | Monitoring and evaluation system of electrostatic deduster operation efficiency |
| CN202649082U (en) * | 2012-05-29 | 2013-01-02 | 宝山钢铁股份有限公司 | Device for on-line test on dust removal efficiency of sintering afterheat boiler dust remover |
| CN102967491B (en) * | 2012-11-08 | 2015-07-29 | 上海市环境监测中心 | Particle sampling device and utilize this device to carry out the method for particle detection |
| CN103817004A (en) * | 2014-03-03 | 2014-05-28 | 江苏中兴化工设备有限公司 | High gas speed and high efficiency wet-type electrofiltration device for deep treatment of PM2.5 |
| CN103926178A (en) * | 2014-04-30 | 2014-07-16 | 天津圣纳科技有限公司 | Mechanism for classifying inhalable particles and measuring concentration as well as detection method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202886238U (en) * | 2012-09-14 | 2013-04-17 | 北京航天益来电子科技有限公司 | Industrial PM2.5 (Particulate Matter 2.5) online detection system |
| CN104941801A (en) * | 2015-06-26 | 2015-09-30 | 上海纳米技术及应用国家工程研究中心有限公司 | Detecting device for evaluating dust collection efficiency of electrostatic dust collector |
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| CN105425062A (en) | 2016-03-23 |
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Effective date of registration: 20220210 Address after: 213164 407-2-6 room C, Tianan Digital City, 588 Changwu South Road, Wujin high tech Industrial Development Zone, Changzhou, Jiangsu Patentee after: CHANGZHOU XIAOGUO INFORMATION SERVICES Co.,Ltd. Address before: Gehu Lake Road Wujin District 213164 Jiangsu city of Changzhou province No. 1 Patentee before: CHANGZHOU University |
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