CN110487690A - A kind of high humidity dust control early warning and removal system - Google Patents
A kind of high humidity dust control early warning and removal system Download PDFInfo
- Publication number
- CN110487690A CN110487690A CN201810456363.4A CN201810456363A CN110487690A CN 110487690 A CN110487690 A CN 110487690A CN 201810456363 A CN201810456363 A CN 201810456363A CN 110487690 A CN110487690 A CN 110487690A
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- module
- early warning
- dust
- high humidity
- removal system
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- 239000000428 dust Substances 0.000 title claims abstract description 81
- 238000005070 sampling Methods 0.000 claims abstract description 30
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 13
- 238000005485 electric heating Methods 0.000 claims abstract description 12
- 238000000605 extraction Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 abstract description 13
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 231100000616 occupational exposure limit Toxicity 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 description 14
- 238000009423 ventilation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 238000000151 deposition Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 235000021050 feed intake Nutrition 0.000 description 3
- 238000002356 laser light scattering Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- -1 data are analyzed Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000003694 hair properties Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- 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
-
- 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
- G01N15/075—Investigating concentration of particle suspensions by optical means
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
Abstract
The invention belongs to dust monitoring removal technology fields, disclose a kind of high humidity dust control early warning and removal system, including sampling module, the electric heating module being connect with sampling module, the laser measurement module being connect with electric heating module, the analog-digital converter being connect with laser measurement module, DCU data control unit, pressure-vaccum wind system and dust-extraction unit, DCU data control unit includes data processing module and early warning control module, the connection of the data processing module of sampling module and DCU data control unit, pressure-vaccum wind system includes blower, blower duct and air-suction duct, early warning control module and interlock of fan, blower duct and air-suction duct are located at sampling module two sides.The technical program avoids interference of the high wet dust to concentration measurement；Increase the accuracy of monitoring result；Energy consumption is effectively reduced, ensure that operating post dust exposure level lower than Occupational exposure limit.
Description
Technical field
The invention belongs to dust monitoring removal technology field more particularly to a kind of high humidity dust control early warning and removal systems
System carries the monitoring and early warning for attacking vapor dust in retaliation and depositing dust processing when can be applied to feed intake.
Background technique
Currently, chemical industry feeds intake, automatization level is not high, the operation post of generally existing Manual material feeding, and solid powder is thrown
It attacks that dust concentration is larger material process moment in retaliation, is the emphasis link of the exceeded Rectification of hidden dangers of dust concentration.Enterprise is hidden in occupational health
Suffer from investigation rectification during, take corresponding measures to rectify and reform, but do not attain the results expected, there are the problem of or technological difficulties such as
Under: the updraft type hood trapping that scene is taken is ineffective, and rectification, which is taken, blindly to be increased exhaust air rate, increases air draft point etc.
Method is improved, and reverse band carrys out being substantially increased for energy consumption；Dust containing water vapor that stirred autoclave feeding port is attacked in retaliation up and be battle array
Hair property, high humidity fugitive dust causes personnel's dust exposure concentrations to significantly increase by operator's breathing zone position, and duty is suffered from increase
Industry disease risk.
Summary of the invention
It is an object of the invention in view of the above technical problems, provide a kind of high humidity dust control early warning system, solve solid
The monitoring and early warning for attacking vapor dust in retaliation and depositing dust processing are carried when body powder feeds intake, and reduce operator's dust exposure level,
Mitigate occupational health caused by dust to damage.
A kind of high humidity dust control early warning and removal system include sampling module, the electric heating mould connecting with sampling module
Block, the laser measurement module connecting with electric heating module, the analog-digital converter connecting with laser measurement module, data control are single
Member, pressure-vaccum wind system and dust-extraction unit, DCU data control unit include data processing module and early warning control module, sampling module with
The data processing module of DCU data control unit connects, and pressure-vaccum wind system includes blower, blower duct and air-suction duct, early warning control
Module and interlock of fan, blower duct and air-suction duct are located at sampling module two sides.
Early warning control module is equipped with dust restriction threshold value and hazard index grade, the dust according to the sampling module measured are dense
Degree value limits the ratio of threshold value beyond dust, obtains corresponding hazard index, and early warning control module starts blower.
Blower is frequency conversion, according to different hazard indexs, starts blower with corresponding frequency.
Preferably, dust-extraction unit is cyclonic water film deduster, is wet dust separater.
Blower duct and air-suction duct are equipped with volume damper.
It further include supply and exhaust device, sampling apparatus is set in supply and exhaust device.
Sampling module is set to feeding port upper end.
Blower duct and air-suction duct are tightly connected with supply and exhaust device respectively.
DCU data control unit is set to sampling module upper end.
Volume damper is set to outside supply and exhaust device.
The early warning of high humidity dust control and removal system include high humidity dust concentration monitoring unit (sampling module, electric heating mould
Block, laser measurement module, analog-digital converter), DCU data control unit (including data processing module, early warning control module), pressure-vaccum
Formula ventilation unit (including blower, volume damper, air hose, pressure-vaccum wind system) and dust removing units, carrying when can be applied to feed intake
Attack monitoring and early warning and the depositing dust processing of vapor dust in retaliation.
Dust sampling module is set in feeding port operative position, dust sampling module is connect with DCU data control unit, to high humidity
After dust is sampled, high wet dust is transformed by dry dust by electric heating module, it will be with particle using laser light scattering principle
The directly proportional scattered light intensity of amount of substance concentration carries out photoelectric conversion, which enters at powder concentration measurement signal
DCU data control unit；DCU data control unit compared with the limit value set in DCU data control unit, obtains collected dust data
Start early warning control module after hazard index is more than preset threshold to corresponding hazard index；Early warning control module and frequency conversion
Interlock of fan, different hazard indexs correspond to different electric machine frequencies；Under air sucking/blowing air-flow collective effect, high wet dust enters
Wet dust separater, under cyclonic water film deduster effect, high wet dust contacts with moisture film and is intercepted and brings water body into, realizes powder
Dirt collects removal.
Blowing mouth is arranged in inner ventilation device side, and the air inlet of air inlet flange, blowing mouth are installed in other side setting additional
With air inlet be separately positioned in adjacent two side walls or two opposite side walls on.It is arranged on adjacent side wall, has
Help air sucking/blowing and form vortex, more thoroughly removes wet dust；It is arranged on opposite side wall, helps quickly to remove xeraphium
Dirt.
The dust concentration monitoring device of the technical program increases electric heating module, avoids high wet dust to measurement of concetration knot
The interference of fruit；Dust concentration monitoring is carried out using laser light scattering principle, increases the accuracy of monitoring result；It is dense to high wet dust
Real-time monitoring is spent, detected value is more than that given threshold starting blowing and drawing ventilation device carries out depositing dust processing, effectively reduces energy consumption, protects
Operating post dust exposure level has been demonstrate,proved lower than Occupational exposure limit.
Detailed description of the invention
Fig. 1: high humidity dust control early warning removes system flow schematic diagram；
Fig. 2: high humidity dust control early warning system composition and each section connection schematic diagram；
Fig. 3: internal system dust concentration monitoring device and blowing and drawing ventilation apparatus structure schematic diagram.
Wherein: 1. blowers；2. volume damper；3. blower duct；4. supply and exhaust device；5. DCU data control unit；6. inhaling
Air piping；7. dust-extraction unit；8. exhaust outlet；9. blowing mouth；10. feeding port；11. fan frequency converter；12. air inlet；13. air draught
Mouth flange；14. dust concentration detection unit；141. sampling module；142. electric heating module；143. laser measurement modules；
144. analog-digital converter.
Specific embodiment
In conjunction with attached drawing 1-3, the technical program is described further.
A kind of high humidity dust control early warning and removal system include that sampling module 141, the electricity connecting with sampling module 141 add
Thermal modules 142, the laser measurement module 143 connecting with electric heating module 142, the modulus connecting with laser measurement module 143 turn
Parallel operation 144, DCU data control unit 5, pressure-vaccum wind system and dust-extraction unit 7, DCU data control unit 5 is including data processing module and in advance
Alert control module, sampling module 141 are connect with the data processing module of DCU data control unit 5, pressure-vaccum wind system include blower 1,
Blower duct 3 and air-suction duct 6, early warning control module and blower 1 interlock, and blower duct 3 and air-suction duct 6 are located at sampling module
141 two sides.Specifically: each unit according to its it is functional respectively according to dust concentration monitoring unit 14, DCU data control unit 5,
Blowing and drawing ventilation unit, wet dust removal unit 7 are sequentially connected, wherein the sampling module 141 of high humidity dust concentration monitoring unit, electricity
Heating module 142, laser measurement module 143, analog-digital converter 144 are sequentially connected in order；At the data of DCU data control unit 5
Reason module, early warning control module are sequentially connected in order, are connected afterwards with fan frequency converter 11；Blowing and drawing ventilation unit, wet type are removed
Dirt unit 7 is according to breeze fan 1 → blower duct, 3 → volume damper, 2 → supply and exhaust device 4 → volume damper, 2 → air draught
The sequence of 6 → wet dust separater of pipeline, 7 → forced draft fans 1 is connected.After 141 pairs of high wet dusts of sampling module sample,
High wet dust is transformed into overheat dry dust by electric heating module 142, laser measurement module 143 utilizes laser light scattering principle
The scattered light intensity directly proportional to particulate matter quality concentration is subjected to photoelectric conversion by analog-digital converter 144, which turns again
Powder concentration measurement signal is changed into, into DCU data control unit 5.
When operator, which carries out solid powder to stirred autoclave, to feed intake, carrying attacks vapor dust in retaliation and raises up, high humidity
Dust concentration monitoring unit samples high wet dust, data are analyzed, and dust hazard index=Free Silicon Dioxide in Dust contains
* Exposed ratio * labourer's physical labor intensity is measured, wherein Exposed ratio is Work places dust measured concentration and its
The ratio of occupational exposure limit, given threshold index are 16, start early warning control after hazard index is more than preset threshold value 16
The data of acquisition are compared by molding block, early warning control module with data with existing, and blower frequency, pressure-vaccum air quantity are according to air sucking/blowing
Depending on device specific size, guarantee the control plane wind speed of air sucking/blowing air-flow between 0.3 ~ 0.5m/s, selects the wind of corresponding air quantity
Unit frequency simultaneously starts blowing and drawing ventilation device；Under air sucking/blowing air-flow collective effect, high wet dust enters air-suction duct, flows into wet
Formula dust-extraction unit, dust-extraction unit 7 are cyclonic water film deduster, and cyclonic water film deduster is one kind of whirlwind scrubber.By
Water mist is sprayed to wall along a tangential direction by the nozzle on deduster cylinder top, makes to form one layer thin of flowing moisture film on wall.Dust-laden
By cylinder lower part tangentially to enter, rotation rises gas, and grit is got rid of by centrifugal force effect to wall, is adhered to by moisture film, along device
Wall flows down, and drains with flowing water.Efficiency of dust collection increases with entrance gas velocity and barrel diameter reduces and improves.Cylinder height imitates dedusting
Rate is affected, typically no less than the 5 of barrel diameter times.Under air sucking/blowing air-flow collective effect, high wet dust enters aspiration channel
Road flows into cyclonic water film deduster, and under cyclonic water film deduster effect, high wet dust contacts with moisture film and is intercepted and brings water into
Body, it is final to realize dust collection removal.
Embodiment only illustrates technical solution of the present invention, rather than carries out any restrictions to it；Although with reference to the foregoing embodiments
Invention is explained in detail, for those of ordinary skill in the art, still can be to previous embodiment institute
The technical solution of record is modified or equivalent replacement of some of the technical features；And these modifications or substitutions, and
The essence of corresponding technical solution is not set to be detached from the spirit and scope of claimed technical solution of the invention.
Claims (10)
1. a kind of high humidity dust control early warning and removal system, it is characterised in that: connect including sampling module, with sampling module
Electric heating module, the laser measurement module being connect with electric heating module, the analog-digital converter being connect with laser measurement module, data
Control unit, pressure-vaccum wind system and dust-extraction unit, DCU data control unit include data processing module and early warning control module, sampling
The connection of the data processing module of module and DCU data control unit, pressure-vaccum wind system includes blower, blower duct and air-suction duct, in advance
Alert control module and interlock of fan, blower duct and air-suction duct are located at sampling module two sides.
2. a kind of high humidity dust control early warning according to claim 1 and removal system, it is characterised in that: early warning controls mould
Block is equipped with dust and limits threshold value and hazard index grade, is limited according to the dust concentration numerical value of the sampling module measured beyond dust
The ratio of threshold value, obtains corresponding hazard index, and early warning control module starts blower.
3. a kind of high humidity dust control early warning according to claim 2 and removal system, it is characterised in that: blower is frequency conversion
, according to different hazard indexs, blower is started with corresponding frequency.
4. a kind of high humidity dust control early warning according to claim 3 and removal system, it is characterised in that: dust-extraction unit is
Cyclonic water film deduster.
5. a kind of high humidity dust control early warning according to claim 4 and removal system, it is characterised in that: blower duct and
Air-suction duct is equipped with volume damper.
6. a kind of -5 any described high humidity dust control early warning and removal system according to claim 1, it is characterised in that: also wrap
Supply and exhaust device is included, sampling apparatus is set in supply and exhaust device.
7. a kind of high humidity dust control early warning according to claim 6 and removal system, it is characterised in that: sampling module is set
It is placed in feeding port upper end.
8. a kind of high humidity dust control early warning according to claim 7 and removal system, it is characterised in that: blower duct and
Air-suction duct is tightly connected with supply and exhaust device respectively.
9. a kind of high humidity dust control early warning according to claim 8 and removal system, it is characterised in that: data control is single
Member is set to sampling module upper end.
10. a kind of high humidity dust control early warning according to claim 9 and removal system, it is characterised in that: air quantity tune
Section valve is set to outside supply and exhaust device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810456363.4A CN110487690A (en) | 2018-05-14 | 2018-05-14 | A kind of high humidity dust control early warning and removal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810456363.4A CN110487690A (en) | 2018-05-14 | 2018-05-14 | A kind of high humidity dust control early warning and removal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110487690A true CN110487690A (en) | 2019-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810456363.4A Pending CN110487690A (en) | 2018-05-14 | 2018-05-14 | A kind of high humidity dust control early warning and removal system |
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| CN (1) | CN110487690A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111141647A (en) * | 2019-12-31 | 2020-05-12 | 众旺达(宁夏)技术咨询有限公司 | Air dust monitoring method for environmental supervision |
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| CN203108918U (en) * | 2013-03-09 | 2013-08-07 | 广西中海环境工程设备有限公司 | Dust removal blowing and sucking cover |
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| CN106393253A (en) * | 2016-10-14 | 2017-02-15 | 南京航空航天大学 | Dust monitoring device for composite material dry cutting machining |
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2018
- 2018-05-14 CN CN201810456363.4A patent/CN110487690A/en active Pending
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|---|---|---|---|---|
| CN202962210U (en) * | 2012-12-20 | 2013-06-05 | 湖南三德科技股份有限公司 | Dust removal equipment |
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| CN205867880U (en) * | 2016-06-29 | 2017-01-11 | 哈尔滨华藻生物科技开发有限公司 | Automatic dust collector is used in flour processing |
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Non-Patent Citations (1)
| Title |
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| 马骏: "《实用职业卫生学》", 30 April 2017 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111141647A (en) * | 2019-12-31 | 2020-05-12 | 众旺达(宁夏)技术咨询有限公司 | Air dust monitoring method for environmental supervision |
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| PB01 | Publication | ||
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Application publication date: 20191122 |