CN109342160A - Free silicon dioxide measures automatic filtering unit and method - Google Patents
Free silicon dioxide measures automatic filtering unit and method Download PDFInfo
- Publication number
- CN109342160A CN109342160A CN201811285553.0A CN201811285553A CN109342160A CN 109342160 A CN109342160 A CN 109342160A CN 201811285553 A CN201811285553 A CN 201811285553A CN 109342160 A CN109342160 A CN 109342160A
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- China
- Prior art keywords
- vacuum pump
- silicon dioxide
- filter paper
- glass funnel
- hydrochloric acid
- Prior art date
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 32
- 235000012239 silicon dioxide Nutrition 0.000 title claims abstract description 27
- 238000001914 filtration Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000011521 glass Substances 0.000 claims abstract description 36
- 239000002184 metal Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 210000005239 tubule Anatomy 0.000 claims abstract description 17
- 241000220317 Rosa Species 0.000 claims abstract description 12
- 238000011049 filling Methods 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 6
- 239000012153 distilled water Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 238000004380 ashing Methods 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000011010 flushing procedure Methods 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 3
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 description 3
- 229940005657 pyrophosphoric acid Drugs 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 208000028571 Occupational disease Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 210000002540 macrophage Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000616 occupational exposure limit Toxicity 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 208000005069 pulmonary fibrosis Diseases 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Free silicon dioxide measures automatic filtering unit and method, belong to air of workplace detection inspection technology field, it is fixedly connected including Rose Box, liquid gas dual-purpose vacuum pump and control device, the side of the Rose Box with control device, the other side and liquid gas dual-purpose vacuum pump connect；The Rose Box includes cabinet, case lid, solution line, metal tubule, rotation button, glass funnel and metallic conduit, hose, pressure gauge, vacuum pump switch and pressure adjusting knob are provided on the liquid gas dual-purpose vacuum pump, the control device includes control panel, note hydrochloric acid solution mouth, hydrochloric acid solution cabinet, water filling port and container body of hot water.The present invention can auto-flushing free silicon dioxide content, mass disposal sample reduces manpower while save the cost, shortens the processing time, improve working efficiency, avoid operating error, accuracy is improved, to improve the economic benefit of testing agency.
Description
Technical field
The invention belongs to air of workplace to detect inspection technology field, especially relate to dissociate in a kind of yard two
Aoxidize the automatic filtering unit of silicon substrate IC's.
Background technique
In electric power and coal industry production process, mainly there are the occupational disease hazards such as silicious dust, coal dust, asbestos dirt, cement dust
Factor, its main feature is that Free Silicon Dioxide in Dust content is higher, dust dispersity is also higher, and free silicon dioxide is to human body
Injury is very big, and lung's macrophage can be caused downright bad, lead to pulmonary fibrosis, be the Etiological for causing pneumoconiosis.Free two
Silica content be evaluate dust harzard property main indicator, majority state, tissue dust sanitary standard be to deposit dirt
How much middle free silica content is that dust is qualitative, judges whether that operation meets further according to occupational exposure limit.?
The free silica content measured in dust when the dust harzard degree of appraisal place is very common, especially to mine
The occupational health appraisal of the enterprises such as mountain, timber processing, building stones processing, the free silica content measured in dust are even more
The most important thing.It can be seen that measurement Free Silicon Dioxide in Dust content and occupational disease hazards degree occurrence and development have it is close
Relationship, the Chinese government and supervision department attach great importance to dust-proof working.Therefore reinforce to Free Silicon Dioxide in Dust content
Detection is a urgent and important job.
Currently, detection Free Silicon Dioxide in Dust content is all made of " in GBZ/T 192.4-2007 workplace air
The 4th part of dust determination: free silica content " as defined in conversion, conversion to instrument and experiment condition requirement
It is lower, have the advantages that experimental cost is low, under the premise of the interference of no slightly solubility substance, it is considered to be reliable, accurate, practical
Method is the prefered method in each third party testing agency and laboratory.But conversion is in sample handling processes, it is real
It is longer to test the period, and in the detection process, the technology and careful degree to experimenter have very high requirement, just can be reduced reality
Error is tested, accurate result is obtained.In sample handling processes, the step for pyrophosphoric acid filtered sample in, due to pyrophosphoric acid mistake
It needs constantly to provide hot distilled water when filter to rinse, easily forms jelly when otherwise pyrophosphoric acid temperature is lower than 50 DEG C, be more difficult to
Filtering, finally results in experimental result and is affected.After washing residue with hydrochloric acid solution after filtering, it is still necessary to a large amount of thermal distillation washings
To neutrality.Therefore it in this sample handling procedure, takes a long time, step is comparatively laborious, greatly wastes manpower and material resources, leads
Time cost is caused to rise, work efficiency drop, and operating error is easily caused, influence testing result.Therefore the prior art
There is an urgent need for a kind of novel technical solutions in the middle to solve the problems, such as this.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of free silicon dioxide measurement automatic filtering unit and side
Method, can auto-flushing free silicon dioxide content, mass disposal sample, while save the cost, reduce manpower, shorten
The time is handled, working efficiency is improved, avoids operating error, accuracy is improved, to improve the economic benefit of testing agency.
Free silicon dioxide measures automatic filtering unit, it is characterized in that: including Rose Box, liquid gas dual-purpose vacuum pump and control
The side of device processed, the Rose Box is fixedly connected with control device, and the other side and liquid gas dual-purpose vacuum pump connect；The filtering
Case includes cabinet, case lid, solution line, metal tubule, rotation button, glass funnel and metallic conduit, and the box house is set
It is equipped with more than one metallic conduit, more than one glass funnel is provided on each metallic conduit, is provided on glass funnel
Filter paper, the lower part of glass funnel are provided with pH sensor；The top of the cabinet is provided with case lid, the lower part of case lid and cabinet water
Square more than one solution line is provided in same plane upwards, more than one metal tubule is provided on solution line, it is molten
The one end in liquid pipe road is provided with rotation button；
It is provided with hose, pressure gauge, vacuum pump switch and pressure adjusting knob on the liquid gas dual-purpose vacuum pump, it is described soft
One end of pipe is connect with metallic conduit, and the box house of liquid gas dual-purpose vacuum pump is arranged in the other end；
The control device includes control panel, note hydrochloric acid solution mouth, hydrochloric acid solution cabinet, water filling port and boiler
The upper face of control device, the hydrochloric acid solution case is arranged in body, the control panel, note hydrochloric acid solution mouth and water filling port
Body and container body of hot water are arranged at the inside of control device.
The bottom of the glass funnel is provided with cushion rubber, and glass funnel is connect by cushion rubber with metallic conduit.
The quantity of the metal tubule and the quantity of glass funnel are identical.
The solution line is identical as the quantity of metallic conduit.
The container body of hot water is internally provided with heating device.
Free silicon dioxide measures automatic fitration method, it is characterized in that: measuring using the free silicon dioxide automatic
Filter device includes the following steps, and following steps sequentially carry out,
Step 1: control set for adjusting
After device booting is powered, distilled water is added in water filling port, sets distilled water heating temperature on the control panel as 50
~80 DEG C；0.1mol hydrochloric acid solution 1000ml~2000ml is added in note hydrochloric acid solution mouth；
Step 2: adjustment pressure and funnel position
Filter paper is placed on glass funnel, and soaking is bonded filter paper completely with glass funnel；Content in beaker is fallen
Enter on glass funnel；The angle that metal tubule is adjusted by rotation button, makes metal tubule lean against filter paper edge, makes the solution sprayed
Filter paper can be rinsed comprehensively；Pressure adjusting knob is adjusted, pressure size is made properly to avoid filter paper because pressure is excessive run-down, opens vacuum
Switch pump；
Step 3: setting filter
Set filter by control panel: setting sample position → hydrochloric acid solution rinses 3 times~5 times → hot water of filter paper
Continual rinsing filter paper to pH sensor feedback pH value it is no acidic react → end automatically program；
Step 4: shutdown subsequent processing
Vacuum pump switch is closed, filter paper is taken out, filter paper is subjected to next step operation, charing and ashing.
Through the above design, the present invention can be brought the following benefits: free silicon dioxide measures automatic fitration
Device and method, auto-flushing free silicon dioxide content, mass disposal sample reduce people while save the cost
Power shortens the processing time, improves working efficiency, avoids operating error, improves accuracy, to improve the economic effect of testing agency
Benefit.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated:
Fig. 1 is that free silicon dioxide of the present invention measures automatic filtering unit structural schematic diagram.
Fig. 2 is that free silicon dioxide of the present invention measures automatic filtering unit glass funnel structural schematic diagram.
1- Rose Box, 2- liquid gas dual-purpose vacuum pump, 3- control device, 101- cabinet, 102- case lid, 103- solution conduit in figure
Road, 104- metal tubule, 105- rotation button, 106- glass funnel, 107-pH sensor 107,108- cushion rubber, 109- metal tube
Road, 201- hose, 202- pressure gauge, 203- vacuum pump switch, 204- pressure adjusting knob, 301- control panel, 302- infuse hydrochloric acid
Solution mouth, 303- hydrochloric acid solution cabinet, 304- water filling port, 305- container body of hot water.
Specific embodiment
Free silicon dioxide measures automatic filtering unit, as depicted in figs. 1 and 2, including Rose Box 1, liquid gas dual-purpose vacuum
Pump 2 and control device 3, the side of the Rose Box 1 are fixedly connected with control device 3, the other side and liquid gas dual-purpose vacuum pump 2
Connection；The Rose Box 1 includes cabinet 101, case lid 102, solution line 103, metal tubule 104, rotation button 105, glass leakage
Bucket 106 and metallic conduit 109, the cabinet 101 are transparent glass cabinet, are internally provided with more than one metallic conduit 109,
It is provided with more than one glass funnel 106 on each metallic conduit 109, is provided with filter paper, glass funnel on glass funnel 106
106 lower part is provided with pH sensor 107, for measuring the pH value of water droplet, feedback to the computer system；The cabinet 101 it is upper
Portion is provided with case lid 102, and case lid 102 is transparent glass case lid, and lower part and the case lid 102 of case lid 102 are an integral structure, with case
More than one solution line 103 is provided in 101 horizontal direction of body in same plane, is hot water and salt inside solution line 103
Aching and limp pipe is provided with more than one metal tubule 104 on solution line 103, for spraying hot water or hydrochloric acid, rinses glass funnel
106 and filter paper, one end of solution line 103 be provided with rotation button 105；
Hose 201, pressure gauge 202, vacuum pump switch 203 and pressure tune are provided on the liquid gas dual-purpose vacuum pump 2
Button 204 is saved, one end of the hose 201 is connect with metallic conduit 109, and the cabinet of liquid gas dual-purpose vacuum pump 2 is arranged in the other end
It is internal；Pressure adjusting knob 204 is for adjusting pressure value.
The control device 3 includes control panel 301, note hydrochloric acid solution mouth 302, hydrochloric acid solution cabinet 303, water filling port
304 and container body of hot water 305, the control panel 301, note hydrochloric acid solution mouth 302 and water filling port 304 are arranged in control device
3 upper face；Control panel 301 is touch screen liquid crystal display, for setting washing and filtering program；Note hydrochloric acid solution mouth 302 is used for
Configured 0.1mol hydrochloric acid solution is added；Water filling port 304 is for distilled water to be added；303 He of hydrochloric acid solution cabinet
Container body of hot water 305 is arranged at the inside of control device 3, and hydrochloric acid solution cabinet 303 is for storing 0.1mol hydrochloric acid solution；Hot water
There is heating device in cabinet 305, distilled water can be heated to 50 DEG C~80 DEG C, and keep the temperature, so as to lasting offer hot water.
The bottom of the glass funnel 106 is provided with cushion rubber 108, and glass funnel 106 passes through cushion rubber 108 and metallic conduit
109 connections.
The quantity of the metal tubule 104 is identical as the quantity of glass funnel 106.
The solution line 103 is identical as the quantity of metallic conduit 109.
Free silicon dioxide of the present invention measures automatic fitration method are as follows:
1, booting is powered；
2, distilled water 5000ml is added in water filling port 304, set on control panel 301 distilled water heating temperature as 50~
80℃；
3,0.1mol hydrochloric acid solution 1000ml~2000ml is added in note hydrochloric acid solution mouth 302；
4, filter paper is placed on glass funnel 106, and soaking is bonded filter paper completely with glass funnel；
5, content in beaker is poured on glass funnel 106；
6, pressure adjusting knob 204 is adjusted, pressure size is made properly to avoid filter paper because pressure is excessive run-down, vacuum pump is opened and opens
Close 203；
7, the angle that metal tubule 104 is adjusted by rotation button 105, makes metal tubule 104 lean against filter paper edge, makes to spray
Solution can rinse filter paper comprehensively；
8, set filter by control panel 301: setting sample position → hydrochloric acid solution rinses filter paper 3 times~5 times
→ pH value is no acidic reacts for hot water continual rinsing filter paper to the feedback of pH sensor 107 → ends automatically program；
9, vacuum pump switch 203 is closed；
10, filter paper is taken out；
11, filter paper is subjected to next step operation, charing and ashing.
Claims (6)
1. free silicon dioxide measure automatic filtering unit, it is characterized in that: include Rose Box (1), liquid gas dual-purpose vacuum pump (2) with
And control device (3), the side of the Rose Box (1) are fixedly connected with control device (3), the other side and liquid gas dual-purpose vacuum pump
(2) it connects；The Rose Box (1) includes cabinet (101), case lid (102), solution line (103), metal tubule (104), rotation
Button (105), glass funnel (106) and metallic conduit (109), the cabinet (101) are internally provided with more than one metal tube
Road (109) is provided with more than one glass funnel (106) on each metallic conduit (109), and glass funnel is arranged on (106)
There is filter paper, the lower part of glass funnel (106) is provided with pH sensor (107)；The top of the cabinet (101) is provided with case lid
(102), more than one solution line is provided in the lower part of case lid (102) and same plane in cabinet (101) horizontal direction
(103), more than one metal tubule (104) is provided on solution line (103), one end of solution line (103) is provided with rotation
Turn-button (105)；
Hose (201), pressure gauge (202), vacuum pump switch (203) and pressure are provided on the liquid gas dual-purpose vacuum pump (2)
One end of power adjusting knob (204), the hose (201) is connect with metallic conduit (109), and the other end is arranged in liquid gas dual-purpose vacuum
Pump the box house of (2)；
The control device (3) includes control panel (301), note hydrochloric acid solution mouth (302), hydrochloric acid solution cabinet (303), water filling
Mouth (304) and container body of hot water (305), the control panel (301), note hydrochloric acid solution mouth (302) and water filling port (304) are set
The upper face in control device (3) is set, the hydrochloric acid solution cabinet (303) and container body of hot water (305) are arranged at control dress
Set the inside of (3).
2. free silicon dioxide according to claim 1 measures automatic filtering unit, it is characterized in that: the glass funnel
(106) bottom is provided with cushion rubber (108), and glass funnel (106) is connect by cushion rubber (108) with metallic conduit (109).
3. free silicon dioxide according to claim 1 measures automatic filtering unit, it is characterized in that: the metal tubule
(104) quantity is identical as the quantity of glass funnel (106).
4. free silicon dioxide according to claim 1 measures automatic filtering unit, it is characterized in that: the solution line
(103) identical as the quantity of metallic conduit (109).
5. free silicon dioxide according to claim 1 measures automatic filtering unit, it is characterized in that: the container body of hot water
(305) it is internally provided with heating device.
6. free silicon dioxide measures automatic fitration method, it is characterized in that: being surveyed using free silicon dioxide described in claim 1
Determine automatic filtering unit, include the following steps, and following steps sequentially carry out,
Step 1: control set for adjusting (3)
After device booting is powered, distilled water is added in water filling port (304), distilled water heating temperature is set on control panel (301)
Degree is 50 DEG C~80 DEG C；0.1mol hydrochloric acid solution 1000ml~2000ml is added in note hydrochloric acid solution mouth (302)；
Step 2: adjustment pressure and funnel position
Filter paper is placed on glass funnel (106), and soaking is bonded filter paper completely with glass funnel；Content in beaker is fallen
Enter on glass funnel (106)；The angle that metal tubule (104) are adjusted by rotation button (105), leans against metal tubule (104)
Filter paper edge enables the solution sprayed to rinse filter paper comprehensively；It adjusts pressure adjusting knob (204), keeps pressure size suitable, avoid
Filter paper is opened vacuum pump switch (203) because pressure is excessive run-down；
Step 3: setting filter
Set filter by control panel (301): setting sample position → hydrochloric acid solution rinses filter paper 3 times~5 times → heat
Water continual rinsing filter paper to pH sensor (107) feedback pH value it is no acidic react → end automatically program；
Step 4: shutdown subsequent processing
It closes vacuum pump switch (203), takes out filter paper, filter paper is subjected to next step operation, charing and ashing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811285553.0A CN109342160A (en) | 2018-10-31 | 2018-10-31 | Free silicon dioxide measures automatic filtering unit and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811285553.0A CN109342160A (en) | 2018-10-31 | 2018-10-31 | Free silicon dioxide measures automatic filtering unit and method |
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| Publication Number | Publication Date |
|---|---|
| CN109342160A true CN109342160A (en) | 2019-02-15 |
Family
ID=65312967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811285553.0A Pending CN109342160A (en) | 2018-10-31 | 2018-10-31 | Free silicon dioxide measures automatic filtering unit and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988258A (en) * | 2019-11-14 | 2020-04-10 | 大庆油田有限责任公司 | Automatic kerogen leaching instrument and use method thereof |
| CN113936747A (en) * | 2021-10-19 | 2022-01-14 | 西安热工研究院有限公司 | Free SiO in coal2Is calculated by |
| CN114518310A (en) * | 2022-01-04 | 2022-05-20 | 思拓凡生物科技(杭州)有限公司 | Water filtration time measuring method |
| CN116183576A (en) * | 2022-12-09 | 2023-05-30 | 中国矿业大学 | Method for measuring content of free silicon dioxide in coal dust based on internal standard method |
| CN117554142A (en) * | 2023-11-21 | 2024-02-13 | 安徽安航智造科技有限公司 | Free silicon dioxide detection pretreatment device and method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988258A (en) * | 2019-11-14 | 2020-04-10 | 大庆油田有限责任公司 | Automatic kerogen leaching instrument and use method thereof |
| CN113936747A (en) * | 2021-10-19 | 2022-01-14 | 西安热工研究院有限公司 | Free SiO in coal2Is calculated by |
| CN114518310A (en) * | 2022-01-04 | 2022-05-20 | 思拓凡生物科技(杭州)有限公司 | Water filtration time measuring method |
| CN114518310B (en) * | 2022-01-04 | 2023-09-29 | 思拓凡生物科技(杭州)有限公司 | Water filtering time measuring method |
| CN116183576A (en) * | 2022-12-09 | 2023-05-30 | 中国矿业大学 | Method for measuring content of free silicon dioxide in coal dust based on internal standard method |
| CN116183576B (en) * | 2022-12-09 | 2024-01-26 | 中国矿业大学 | Method for measuring content of free silicon dioxide in coal dust based on internal standard method |
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