CN105547930A - Detector for powder material raising dust and detection method thereof - Google Patents
Detector for powder material raising dust and detection method thereof Download PDFInfo
- Publication number
- CN105547930A CN105547930A CN201510890536.XA CN201510890536A CN105547930A CN 105547930 A CN105547930 A CN 105547930A CN 201510890536 A CN201510890536 A CN 201510890536A CN 105547930 A CN105547930 A CN 105547930A
- Authority
- CN
- China
- Prior art keywords
- powder body
- body material
- airborne dust
- pick
- cabin
- 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.)
- Pending
Links
- 239000000428 dust Substances 0.000 title claims abstract description 61
- 239000000463 material Substances 0.000 title claims abstract description 49
- 239000000843 powder Substances 0.000 title claims abstract description 46
- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 238000002834 transmittance Methods 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 5
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 abstract 1
- 239000013307 optical fiber Substances 0.000 abstract 1
- 239000004568 cement Substances 0.000 description 8
- 239000003570 air Substances 0.000 description 6
- 239000011398 Portland cement Substances 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 108010066114 cabin-2 Proteins 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
-
- G01N15/075—
Abstract
The invention discloses a detector for powder material raising dust and a detection method thereof. The detector comprises a feed pipe, a detection cabin and a component box, and indirectly reflects the strength of powder material raising dust according to light transmittance. A powder material falls into the detection cabin from the feed pipe at certain height, wherein the non-raising dust part naturally settles to the detection cabin bottom by means of free-fall motion, and the raising dust part floats in the detection cabin naturally and settles slowly. The light sent by an emission end of an optical fiber amplifier in the detection cabin passes through the raising dust floating in the cabin and is then received by a receiving end, and at the moment the light transmittance is weakened by certain degree. A data acquisition card in the component box can acquire optical data. The detector provided by the invention has a simple structure, is convenient to use, can relatively quantify the strength of powder material raising dust, and can provide reference to workers in terms of selecting appropriate powder materials.
Description
Technical field
The present invention relates to dust detection field, particularly a kind of device and detection method thereof detecting powder body material airborne dust.
Background technology
Powder refers to the form of solid particle aggregate under discrete state.Powder has the attribute of fluid, there is no concrete shape, can flow and fly upward, therefore industrial powder industry easily produces airborne dust in process of manufacture, part airborne dust, due to containing speciality chemical composition, to factory indoor air ambient, even all produces larger impact to factory's ambient air environmental quality, this is for the employee living in factory, and the resident near factory will be a serious health threat.Dust concentration in everyday air can be evaluated by PM2.5 or PM10, and in powder body material, the data of airborne dust do not have the method for special instrument and standard to evaluate.If the airborne dust of energetic powder body material is strong and weak, then people can more selective and specific aim when selecting powder body material, by selecting some materials not easily producing airborne dust to carry out production and processing, can improve air quality to a certain extent.
Summary of the invention
For above problem, the invention discloses a kind of pick-up unit of powder body material airborne dust, main contents of the present invention are as follows.
A pick-up unit for powder body material airborne dust, comprises feed pipe, detects cabin and component box; According to penetrating light intensity, described device reflects that the airborne dust of powder body material is strong and weak indirectly.
This feed pipe is made up of hopper and straight tube; The volume of described hopper is 50 ~ 150ml; Flush with detection cabin upper cover bottom described straight tube, caliber 40mm, height 750mm.
There is pulp-collecting box this inside, detection cabin, and described pulp-collecting box is drawer type, and frame is on gib block; Described pulp-collecting box is made by transparent material, and the transmittance of material is more than 90%.
This detection cabin upper cover is communicated with a snorkel, can be discharged by the air in box when powder body material drops to described pulp-collecting box.
This component box comprises fiber amplifier, Data Acquisition Card and power supply.
This fiber amplifier is made up of transmitting terminal, receiving end and controller; Described transmitting terminal and receiving end lay respectively at the right and left detecting cabin, by connection on described controller; The light intensity that described receiving end receives is by exporting with current data after controller process.
This Data Acquisition Card can gather the current data that fiber amplifier exports, and frequency acquisition is adjustable.
Pick-up unit described in utilization realizes powder body material airborne dust detection method, comprises the following steps: 1) clear up described detection cabin; 2) described fiber amplifier and described Data Acquisition Card is regulated; 3) take detection material to test; 4) acquisition process data.
In the detection method of this powder body material airborne dust, tell powder body material dust emission represent with transmittance corresponding during 30s and transmittance sum corresponding to minimum current, it is less to be worth larger explanation dust emission.
Adopt pick-up unit and the detection method of this powder body material airborne dust, this device comprises feed pipe, detects cabin and component box, indirectly reflect that the airborne dust of powder body material is strong and weak according to penetrating light intensity: powder body material falls to from the feed pipe of certain altitude and detects cabin, wherein non-airborne dust part is by the movement of falling object, natural subsidence is to detection bilge portion, airborne dust part then easily swims in and detects in cabin, and sedimentation is slow.Detect the light that in cabin inner fiber amplifier, transmitting terminal sends to be received by receiving end through after the airborne dust swum in cabin, this Light intensity has weakening to a certain degree.By the light intensity data that the data collecting card collection in component box receives.Apparatus of the present invention structure is simple, easy to use, can the power of Relative quantification powder body material airborne dust, can make reference for worker selects suitable powder body material.
Accompanying drawing explanation
Fig. 1 is the pick-up unit schematic diagram of powder body material airborne dust.
Fig. 2 is fiber amplifier structural representation.
Fig. 3 is the airborne dust test curve of two kinds of cement.
Embodiment
In order to more clearly understand technology contents of the present invention, describe in detail especially exemplified by following examples.
As shown in Figure 1, be the pick-up unit schematic diagram of powder body material airborne dust of the present invention.In one embodiment, as shown in Figure 1, 2, the pick-up unit of this powder body material airborne dust comprises hopper 1, straight tube 2, pulp-collecting box 3, fiber amplifier 4, data collecting card 5, power supply 6, snorkel 7, gib block 8 and protective cover 9.Wherein hopper 1 and straight tube 2 form feed pipe, and powder body material is dropped to pulp-collecting box 3 from feed pipe.Pulp-collecting box 3 is made by transparent material, is drawer type, frame on gib block 8, easy cleaning.The effect of snorkel 7 is discharged by the air in box when powder body material drops in pulp-collecting box 3.In powder body material decline process, non-airborne dust part is by the movement of falling object, and bottom natural subsidence to pulp-collecting box 3, airborne dust part then swims in pulp-collecting box 3, and sedimentation is slow.The light that in fiber amplifier 4, transmitting terminal 41 sends is received by receiving end 42 through after the airborne dust swum in pulp-collecting box 3, and this Light intensity has weakening to a certain degree; The light intensity that receiving end 42 receives exports with current data after processing by controller 43.Data Acquisition Card 5 can gather the current data that fiber amplifier 4 exports.
The detection method of the powder body material airborne dust utilizing the pick-up unit described in this embodiment to realize comprises the following steps: 1) clear up described detection cabin 2) regulate described fiber amplifier and described Data Acquisition Card; 3) take detection material to test; 4) acquisition process data.
The dust emission of powder body material represents with transmittance corresponding during 30s and transmittance sum corresponding to minimum current, and it is less to be worth larger explanation dust emission.
In order to this pick-up unit and detection method thereof are more intuitively described, we adopt two kinds of different cement to carry out airborne dust test.Concrete method of testing is as follows.
1) opening power, takes out pulp-collecting box and cleans out, and regulates transmitting terminal and the receiving end of fiber amplifier, makes penetrability reach maximal value 4000.
2) pulp-collecting box is loaded, the controller arranging fiber amplifier regulates analog output, when making output current 4mA, corresponding penetrability is 0, penetrability corresponding during output current 20mA is less than penetrability when loading pulp-collecting box, and now transmittance T and output current A meets relational expression: T=(A-4)/16*100%.
3) frequency acquisition arranging Data Acquisition Card is 100ms, namely gathers 10 data p.s..
4) take 50g Portland cement, in 3s, pour feed pipe into, start image data simultaneously.
5) stop data collection after 1 minute, process data also draw transmittance curve over time, calculate dust emission.
The detection of dust suppression cement dust emission repeats above-mentioned steps, and experimental data is as shown in the table.
The airborne dust data of table 1 two kinds of cement.
| Minimum current/mA | Corresponding transmittance/% | 30s electric current/mA | Corresponding transmittance/% | Dust emission | |
| Portland cement | 4.058 | 0.36 | 15.020 | 68.88 | 69.24 |
| Dust suppression cement | 4.289 | 1.81 | 18.998 | 93.74 | 95.55 |
The data of composition graphs 3 and table 1, can obviously find out dust suppression cement transmittance be greater than Portland cement, dust suppression cement comparatively Portland cement not easily airborne dust is described.By these data, enterprise in charge of construction can be more targeted when selecting cement, improves air quality from source.
Although embodiment of the present invention are open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (9)
1. a pick-up unit for powder body material airborne dust, is characterized in that, described device comprises feed pipe, detects cabin and component box; According to transmittance, described device reflects that the airborne dust of powder body material is strong and weak indirectly.
2. the pick-up unit of a kind of powder body material airborne dust according to claim 1, it is characterized in that, described feed pipe is made up of hopper and straight tube; The volume of described hopper is 50 ~ 150ml; Flush with detection cabin upper cover bottom described straight tube, caliber 40mm, height 750mm.
3. the pick-up unit of a kind of powder body material airborne dust according to claim 1, is characterized in that, there is pulp-collecting box inside, described detection cabin, and described pulp-collecting box is drawer type, and frame is on gib block; Described pulp-collecting box is made by transparent material, and the transmittance of material is more than 90%.
4. the pick-up unit of a kind of powder body material airborne dust according to claim 1, is characterized in that, described detection cabin upper cover is communicated with a snorkel, can be discharged by the air in box when powder body material drops to described pulp-collecting box.
5. the pick-up unit of a kind of powder body material airborne dust according to claim 1, it is characterized in that, described component box comprises fiber amplifier, Data Acquisition Card and power supply.
6. the pick-up unit of a kind of powder body material airborne dust according to claim 5, it is characterized in that, described fiber amplifier is made up of transmitting terminal, receiving end and controller; Described transmitting terminal and receiving end lay respectively at the right and left detecting cabin, by connection on described controller; The light intensity that described receiving end receives is by exporting with current data after controller process.
7. the pick-up unit of a kind of powder body material airborne dust according to claim 5, is characterized in that, described Data Acquisition Card can gather the current data that fiber amplifier exports, and frequency acquisition is adjustable.
8. utilize the pick-up unit described in claim 1 to realize a powder body material airborne dust detection method, it is characterized in that, described detection method mainly comprises the following steps: 1) clear up described detection cabin; 2) described fiber amplifier and described Data Acquisition Card is regulated; 3) take detection material to test; 4) acquisition process data.
9. the detection method of powder body material airborne dust according to claim 8, is characterized in that, tell powder body material dust emission represent with transmittance corresponding during 30s and transmittance sum corresponding to minimum current, it is less to be worth larger explanation dust emission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510890536.XA CN105547930A (en) | 2015-12-04 | 2015-12-04 | Detector for powder material raising dust and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510890536.XA CN105547930A (en) | 2015-12-04 | 2015-12-04 | Detector for powder material raising dust and detection method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105547930A true CN105547930A (en) | 2016-05-04 |
Family
ID=55827272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510890536.XA Pending CN105547930A (en) | 2015-12-04 | 2015-12-04 | Detector for powder material raising dust and detection method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105547930A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109690286A (en) * | 2016-08-24 | 2019-04-26 | 福斯油品欧洲股份公司 | Inhibit the test equipment and method of system for test dust |
| EP3454040A4 (en) * | 2016-05-02 | 2020-01-01 | Yoshino Gypsum Co., Ltd. | Powder dustiness evaluation method and powder dustiness evaluation device |
| CN113433046A (en) * | 2021-06-23 | 2021-09-24 | 江苏铁军软件科技有限公司 | Raise dust detecting system for job site |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61122554A (en) * | 1984-11-20 | 1986-06-10 | Hitachi Plant Eng & Constr Co Ltd | Light transmission type dust concentration meter |
| JPH01307641A (en) * | 1988-06-06 | 1989-12-12 | Toyota Central Res & Dev Lab Inc | Measuring instrument for dust concentration |
| JP2003315268A (en) * | 2002-04-19 | 2003-11-06 | Mitsubishi Electric Corp | Dust detector |
| CN101187617A (en) * | 2007-06-27 | 2008-05-28 | 上海理工大学 | Transmittance pulsation method granule measuring method and its device |
| CN201331480Y (en) * | 2009-01-05 | 2009-10-21 | 江苏三恒科技集团有限公司 | Mining dust concentration sensor |
| CN101929940A (en) * | 2009-06-26 | 2010-12-29 | 上海市上海中学 | Embedded system-based method and device for online measurement of micron particles |
| CN102305757A (en) * | 2011-05-20 | 2012-01-04 | 西安电子科技大学 | Device and method for measuring concentration of high-pressure combustion carbon black particles |
| CN103163053A (en) * | 2013-02-05 | 2013-06-19 | 中国矿业大学 | Infrared detection device and detection method of coal dust |
| CN203688411U (en) * | 2014-02-28 | 2014-07-02 | 苏州亿利安机电科技有限公司 | On-line dust concentration monitoring device with dust sensor |
| CN204359650U (en) * | 2014-12-27 | 2015-05-27 | 彩虹显示器件股份有限公司 | A kind of device detecting base plate glass former inner space micro mist dust concentration |
| CN104865174A (en) * | 2015-05-14 | 2015-08-26 | 西安理工大学 | PM2.5 detection apparatus and method |
| CN204666460U (en) * | 2015-02-12 | 2015-09-23 | 上海同化新材料科技有限公司 | A kind of pick-up unit of powder airborne dust |
-
2015
- 2015-12-04 CN CN201510890536.XA patent/CN105547930A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61122554A (en) * | 1984-11-20 | 1986-06-10 | Hitachi Plant Eng & Constr Co Ltd | Light transmission type dust concentration meter |
| JPH01307641A (en) * | 1988-06-06 | 1989-12-12 | Toyota Central Res & Dev Lab Inc | Measuring instrument for dust concentration |
| JP2003315268A (en) * | 2002-04-19 | 2003-11-06 | Mitsubishi Electric Corp | Dust detector |
| CN101187617A (en) * | 2007-06-27 | 2008-05-28 | 上海理工大学 | Transmittance pulsation method granule measuring method and its device |
| CN201331480Y (en) * | 2009-01-05 | 2009-10-21 | 江苏三恒科技集团有限公司 | Mining dust concentration sensor |
| CN101929940A (en) * | 2009-06-26 | 2010-12-29 | 上海市上海中学 | Embedded system-based method and device for online measurement of micron particles |
| CN102305757A (en) * | 2011-05-20 | 2012-01-04 | 西安电子科技大学 | Device and method for measuring concentration of high-pressure combustion carbon black particles |
| CN103163053A (en) * | 2013-02-05 | 2013-06-19 | 中国矿业大学 | Infrared detection device and detection method of coal dust |
| CN203688411U (en) * | 2014-02-28 | 2014-07-02 | 苏州亿利安机电科技有限公司 | On-line dust concentration monitoring device with dust sensor |
| CN204359650U (en) * | 2014-12-27 | 2015-05-27 | 彩虹显示器件股份有限公司 | A kind of device detecting base plate glass former inner space micro mist dust concentration |
| CN204666460U (en) * | 2015-02-12 | 2015-09-23 | 上海同化新材料科技有限公司 | A kind of pick-up unit of powder airborne dust |
| CN104865174A (en) * | 2015-05-14 | 2015-08-26 | 西安理工大学 | PM2.5 detection apparatus and method |
Non-Patent Citations (3)
| Title |
|---|
| OMOTAYO KALEJAIYE ET AL.: "Effectiveness of dust dispersion in the 20-L Siwek chamber", 《JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES》 * |
| 刘龙 等: "粉尘云形成过程的可视化研究方法", 《INTERNATIONAL JOURNAL OF FLUID DYNAMICS》 * |
| 李晋惠 等: "多光路光散射扬尘检测方法研究", 《电子测量技术》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3454040A4 (en) * | 2016-05-02 | 2020-01-01 | Yoshino Gypsum Co., Ltd. | Powder dustiness evaluation method and powder dustiness evaluation device |
| US10684222B2 (en) | 2016-05-02 | 2020-06-16 | Yoshino Gypsum Co., Ltd. | Powder dustiness evaluation method and powder dustiness evaluation device |
| CN109690286A (en) * | 2016-08-24 | 2019-04-26 | 福斯油品欧洲股份公司 | Inhibit the test equipment and method of system for test dust |
| CN109690286B (en) * | 2016-08-24 | 2022-05-24 | 福斯油品欧洲股份公司 | Test equipment and method for testing dust suppression system |
| CN113433046A (en) * | 2021-06-23 | 2021-09-24 | 江苏铁军软件科技有限公司 | Raise dust detecting system for job site |
| CN113433046B (en) * | 2021-06-23 | 2022-03-08 | 江苏铁军软件科技有限公司 | Raise dust detecting system for job site |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105547930A (en) | Detector for powder material raising dust and detection method thereof | |
| DE112013003265B4 (en) | Particle counting system | |
| CN105067773A (en) | Unorganized-dust dust suppressant dust restraining rate testing and evaluating device and method | |
| EP2182371A3 (en) | Specimen processing apparatus | |
| CN102768167A (en) | Method for testing bulk density and porosity of cement paste and device thereof | |
| CN106363004B (en) | A kind of pretreatment unit and processing method of waste incineration and generating electricity flying dust | |
| CN104101056A (en) | Method and device for controlling mass concentration of particulate matters in indoor air | |
| CN201634248U (en) | Fly-ash storage tank for water-washing pre-treatment system | |
| CN104634716A (en) | Testing device for porosity and permeability of polluted soil and testing method thereof | |
| CN108414569A (en) | A kind of appraisal procedure of low density polyethylene (LDPE) dust cloud maximum explosion pressure | |
| CN105716989B (en) | The measurement device and its assay method of porous accumulation bed water holding and Permeable characteristic | |
| CN204594856U (en) | Contactless sandstone aggregate granularity particle shape detector | |
| CN212722503U (en) | Dust fall agent dust fall effect evaluation device | |
| CN205719844U (en) | Porous piles up the determinator of bed water holding and Permeable characteristic | |
| CN109541149A (en) | A kind of bion atmosphere heavy metal pollution detection discriminating gear and application | |
| CN108855522B (en) | A kind of building waste recycling and processing device | |
| CN204952819U (en) | Take out material system | |
| Wiercik et al. | Analysis of the properties and particle size distribution of spent filter backwash water from groundwater treatment at various stages of filters washing | |
| CN209570570U (en) | A kind of bion atmosphere heavy metal pollution detection discriminating gear | |
| CN208350567U (en) | A kind of gas-solid rolling particles partial size on-line measurement device | |
| CN204165799U (en) | A kind of non-online atmospheric particulate cascade harvester | |
| CN102989573B (en) | Control method for precise particle diameter control device of micro pulverizer | |
| CN201735447U (en) | Micropulverizer particle diameter precision control equipment | |
| CN204353184U (en) | Utensil garbage pre-processing device | |
| CN102233298B (en) | Device of precise control of particle size for micron mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160504 |