CN2709976Y - Integral device for powder sampling and investigating - Google Patents
Integral device for powder sampling and investigating Download PDFInfo
- Publication number
- CN2709976Y CN2709976Y CN 200420011258 CN200420011258U CN2709976Y CN 2709976 Y CN2709976 Y CN 2709976Y CN 200420011258 CN200420011258 CN 200420011258 CN 200420011258 U CN200420011258 U CN 200420011258U CN 2709976 Y CN2709976 Y CN 2709976Y
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Abstract
The utility model relates to an integral device for powder sampling and investigating, composed of a cavity, a rotating core, a radioactive source and a detector. Two cross perforated paths are provided in the cavity; the both ends of one path are respectively provided with a sampling inlet and an outlet gas path, and the both ends of the other gas path are respectively provided with the investigating paths of the radioactive source and the detector. The rotating core is vertically rotation and assembled in a circular hole hollow cavity at two paths crossing position; though holes being able to connect with a ventilating path are provided on the rotating core; a sampling clamp slideway for plugging a sampling clamp is provided in the rotating core. The integral device for powder sampling and investigating is very convenient in use and accurate in investment.
Description
Technical field
The utility model relates to a kind of dust sampling, measures integrated apparatus, is applicable under all coal mine that produce dust, the scene of enterprise and prevention and cure of occupational disease department and health and epidemic prevention, superintendent office detects.
Background technology
At present, the product of domestic use mainly is weight method and laser method, has following shortcoming respectively:
Weight method: 1, process complexity, complex operation; 2, easily produce personal error; 3, the survey dust is untimely, loses sometimes and mistakes the chance.
Laser method: the correction that need compare with traditional weight method when 1, being measurement, operate very loaded down with trivial details.2, be to be subjected to the influence of the factors such as form, size, surface smoothness, color on chemical property, the grit surface of dust, and cause the inaccurate of measurement because of laser.3, be that range is fixed, be not suitable for the area monitoring of circumstance complication.
The direct-reading dust concentration measuring instrument: the powder concentration measurement instrument that our company produces is to utilize the direct monitoring results of low energy beta rays absorption process place dust concentration.Adopt the filter membrane geometrical clamp, in use, the filter membrane clip of blank is put into the instrument right side to be measured, after recording blank filter membrane quality, filter membrane clip is taken out, the air intake opening place, left side that is placed on filter membrane samples, after sampling finishes, to take out with the filter membrane clip of dirt again, be placed on the measured place, right side, by dust content in radiographic source and the detector unit of the measuring air.
Its shortcoming is: 1, in the process of sampling and measurement, need repeatedly filter membrane clip to be taken out, puts into, make the dust on the filter membrane occur shaking off phenomenon easily, make measurement result inaccurate, brought inconvenience to the operator simultaneously; 2, because sampling and measurement are at two ends, make the volume of instrument bigger, inconvenience when operating personnel are carried into the scene with instrument.
The utility model content
The utility model purpose is to provide a kind of dust sampling easy to use, measures integrated apparatus.
To achieve these goals, the utility model adopts following technical scheme: this device mainly is made up of cavity, commentaries on classics core, radioactive source, detector, be provided with the passage that two intersections connect in the cavity, one for two ends are respectively equipped with the gas passage of sampling air intake and gas outlet, and another one is the measurement passage that two ends are respectively equipped with radioactive source, detector; Vertical turn is equipped with the commentaries on classics core in the circle hole shape cavity of two passage infalls, changes core and is provided with the through hole that can be communicated with gas circuit, changes the sampling folder slideway that in-core also is provided with plug-in mounting sampling folder.
Described commentaries on classics core has the cylindrical of four planes for the side symmetry, four planes vertical mutually and with the parallel axes of changeing core.
Also plug is equipped with the sampling folder in the sampling slideway, the front end of sampling folder is provided with the thieff hatch of circular band filter membrane, the sampling intermediate plate that is assembled together by two make-ups is pressed from both sides in sampling and the filter membrane that is clipped in the middle formed, and filter membrane sampling hole and commentaries on classics core through hole overlap behind the sampling folder plug-in mounting.
The plane of described sampling folder slideway is perpendicular with the through hole that changes on the core.
The turn of sampling air intake is installed on the cavity wall, and its inner face has O-ring seal, can make inner face and change core side plane turn sealing crimping; Gas outlet is equipped with the gas outlet, the gas outlet is made up of light pipe section and interface mouth section, and the inner of light pipe section is provided with and changes the lid edge that the core side plane is fitted, and the outer end is provided with ring washer, the light pipe section is slided and is installed on the cavity wall, is coated with holddown spring on the light pipe section between cavity inner wall face and the lid edge.
Described commentaries on classics core through hole cooperates the port to be provided with sealing gasket with radioactive source and gas outlet.
The utility model provides and adopts the through hole that changes on the core to switch between gas passage and measurement passage, only needs turning handle just can carry out the measurement of dust, and is very easy to use.Sampling dust on the sampling folder can directly move from sampling to measure simultaneously, and movement range is imitated, and contact with external environment, avoided the sampling dust come off and artificial plug process in think and well guaranteed to measure the error that factor is brought accurate.
Description of drawings
Fig. 1 looks the cross section structure synoptic diagram for the master of sample states;
Fig. 2 overlooks the cross section structure synoptic diagram for sample states;
Fig. 3 looks the cross section structure synoptic diagram for the master of measurement state;
Fig. 4 overlooks the cross section structure synoptic diagram for the measurement state;
Fig. 5 is the structural representation of sampling folder;
Fig. 6 is the structural representation of sampling folder A;
Fig. 7 is the structural representation of sampling folder B.
Embodiment
Dust sampling shown in Fig. 1-4, measurement integrated apparatus, this device mainly is made up of cavity 1, commentaries on classics core 2, radioactive source 4, detector 8, be provided with the passage that two intersections connect in the cavity 1, one for two ends are respectively equipped with the gas passage of sampling air intake 7 and gas outlet 11, and another one is the measurement passage that two ends are respectively equipped with radioactive source 4, detector 8; Vertical turn is equipped with in the circle hole shape cavity of two passage infalls changes core 2, changes core 2 and is provided with the through hole that can be communicated with gas circuit, changes the sampling folder slideway that also is provided with plug-in mounting sampling folder 13 in the core 2.Change core 2 and have the cylindrical of four planes for the side symmetry, four planes vertical mutually and with the parallel axes of commentaries on classics core 2.Also plug is equipped with sampling folder 13 in the sampling slideway, the front end of sampling folder 13 is provided with the thieff hatch 18 of circular band filter membrane, sampling intermediate plate that sampling folder 13 is assembled together by two make-ups and the filter membrane that is clipped in the middle are formed, filter membrane sampling hole 18 and change the coincidence of core 2 through holes behind sampling folder 13 plug-in mountings.The plane of sampling folder slideway is perpendicular with the through hole that changes on the core 2.
7 turns of sampling air intake are installed on cavity 1 wall, and its inner face has O-ring seal 6, can make inner face and change core 2 side plane turns sealing crimping; Gas outlet is equipped with gas outlet 11, the gas outlet is made up of light pipe section and interface mouth section, the inner of light pipe section is provided with and changes the lid edge of core 2 side planes applying, the outer end is provided with ring washer 10, the light pipe section is slided and is installed on cavity 1 wall, is coated with holddown spring 9 on the light pipe section between cavity 1 internal face and the lid edge.Changeing core 2 through holes cooperates the port to be provided with sealing gasket 3 with radioactive source 4 and gas outlet 11.
In the cylindrical cavity of cavity 1, being equipped with changes core 2, and changeing core 2 is that two ends are cylinder, and square is cut at the middle part, and four sidecars of square have the slip cambered surface.Change core 2 and can rely on back-up ring 12 spacing in the intermediate cylindrical hole of cavity 1, change core 2 can be in cavity left-right rotation.In the one side of changeing core 2 squares one small circular through hole is arranged, one end of through hole is equipped with the sealing gasket 3 of a band link, the centre of manhole and manhole mutually bit position have one 90 ° of vertical positions to have an oblong slot, can insert the sampling folder 13 that accompanies dust measuring filter membrane 20 in the groove.A handle 14 is fixed in outer end at the commentaries on classics core 2 that inserts sampling folder 13, can carry out 90 ° of direction rotations, regulates sampling or measurement state by the rotation of handle, will sample, measure integrated cavity and be fixed on the cabinet 5, can sample and measure.
Sampling clamping structure synoptic diagram shown in Fig. 5-7, adopt the filter membrane sampling geometrical clamp, the dress of filter membrane 20 is got very convenient, has not only guaranteed during measurement that sampling head was air tight, but also kept the smooth of filter membrane 20, make long-pending the remaining unchanged of dust-collecting face of filter membrane 20, thereby increased the accuracy of dust measuring.
The flatness of filter membrane 20 and geometric configuration are very big to the influence of measuring accuracy, therefore the fixed form of filter membrane 20 seems particularly important, need consider several problems during the fixed mechanism of design filter membrane 20: at first the fixing of filter membrane 20 wants compact, guarantees that filter membrane 20 can measure and the overall process of sampling keeps smooth and can not move; The loading and unloading of filter membrane 20 should be very convenient, and guarantee air tight in sampling process.
Dust sampling, measuring process are as follows:
One, weighs before the sampling
Handle 14 is threaded to the measurement state, the air intake 7 of will sampling clockwise screws, make the O type circle 6 of sampling air intake 7 end faces be pressed on the foursquare no circular ventilating surface of changeing core 2 centres, gas outlet 11 in this moment sampling inlet 7 opposite pilot holes is fixed in the cylindrical hole in the middle of the cavity 1 original rotary commentaries on classics core 2 because the pressuring action of holddown spring 9 presses in the another side that changes the foursquare no manhole in core 2 middle parts.The sampling folder 13 that blank filter membrane 20 is housed is inserted in the sampling clip slot, make the circle that 13 tops are pressed from both sides in the sampling that accompanies blank filter membrane 20 detect hole and radioactive source 4 and detector 8 on a horizontal line.The blank filter membrane 20 that the ray of radioactive source 4 passes the thief hatch on sampling folder 13 tops scatters on the detector 8, and detector 8 quality according to the blank filter membrane 20 of survey calculate the data of blank filter membrane 20 by instrument.
Two, sample states
Unscrew sampling air intake 7 counterclockwise, turning handle 14 is to sample states, makes the central lines of the gas outlet in center line and the sampling air intake 7 and the opposite pilot hole of the foursquare manhole in commentaries on classics core 2 middle parts of sampling folder 13 of the blank filter membrane 20 that is inserted with tested quality be in the same place (coaxial inner conductor just).Screw sampling air intake 7 more clockwise, the O-ring seal 6 of sampling air intake end face is pressed on the outer surface level that changes the manhole on the core 2 middle part squares, gas outlet in the sampling air intake 7 opposite pilot holes is because the pressuring action of holddown spring 9 presses manhole on the square in the middle of the commentaries on classics core, start the asepwirator pump of instrument, gas with dust is entered by sampling air intake 7 change core 2, and the blank filter membrane 20 by sampling folder 13 tops, by the airborne dust of blank filter membrane 20 interceptings, make dust-free air enter asepwirator pump and discharge by gas outlet 11.
Three, measurement state
Unscrew sampling air intake 7 counterclockwise, handle 14 is threaded to the measurement state, make the center line of the foursquare manhole in commentaries on classics core 2 middle parts of the sampling folder 13 that is inserted with band dirt filter membrane 20 and radioactive source 4 be in the same place with the central lines of detector 8 (coaxial inner conductor just).Screw sampling air intake 7 more clockwise, make the O type circle 6 of sampling air intake 7 end faces be pressed on the foursquare no circular ventilating surface of changeing core 2 centres, gas outlet 11 in this moment sampling inlet 7 opposite pilot holes is fixed in the cylindrical hole in the middle of the cavity 1 original rotary commentaries on classics core 2 because the pressuring action of holddown spring 9 presses in the another side that changes the foursquare no manhole in core 2 middle parts.The band dirt filter membrane 20 that the ray of radioactive source 4 passes the thief hatch on sampling folder 13 tops scatters on the detector 8, and detector 8 calculates dust content according to the quality of institute's measuring tape dirt filter membrane 20 by instrument.
Claims (6)
1, a kind of dust sampling, measurement integrated apparatus, it is characterized in that: this device mainly is made up of cavity, commentaries on classics core, radioactive source, detector, be provided with the passage that two intersections connect in the cavity, one for two ends are respectively equipped with the gas passage of sampling air intake and gas outlet, and another one is the measurement passage that two ends are respectively equipped with radioactive source, detector; Vertical turn is equipped with the commentaries on classics core in the circle hole shape cavity of two passage infalls, changes core and is provided with the through hole that can be communicated with gas circuit, changes the sampling folder slideway that in-core also is provided with plug-in mounting sampling folder.
2, device according to claim 1 is characterized in that: described commentaries on classics core has the cylindrical of four planes for the side symmetry, four planes vertical mutually and with the parallel axes of changeing core.
3, device according to claim 1 and 2, it is characterized in that: also plug is equipped with the sampling folder in the sampling slideway, the front end of sampling folder is provided with the thieff hatch of circular band filter membrane, the sampling intermediate plate that is assembled together by two make-ups is pressed from both sides in sampling and the filter membrane that is clipped in the middle formed, and filter membrane sampling hole and commentaries on classics core through hole overlap behind the sampling folder plug-in mounting.
4, device according to claim 3 is characterized in that: the plane of described sampling folder slideway is perpendicular with the through hole that changes on the core.
5, device according to claim 4 is characterized in that: the turn of described sampling air intake is installed on the cavity wall, and its inner face has O-ring seal, can make inner face and change core side plane turn sealing crimping; Gas outlet is equipped with the gas outlet, the gas outlet is made up of light pipe section and interface mouth section, and the inner of light pipe section is provided with and changes the lid edge that the core side plane is fitted, and the outer end is provided with ring washer, the light pipe section is slided and is installed on the cavity wall, is coated with holddown spring on the light pipe section between cavity inner wall face and the lid edge.
6, device according to claim 5 is characterized in that: described commentaries on classics core through hole cooperates the port to be provided with sealing gasket with radioactive source and gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420011258 CN2709976Y (en) | 2004-07-13 | 2004-07-13 | Integral device for powder sampling and investigating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420011258 CN2709976Y (en) | 2004-07-13 | 2004-07-13 | Integral device for powder sampling and investigating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2709976Y true CN2709976Y (en) | 2005-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420011258 Expired - Fee Related CN2709976Y (en) | 2004-07-13 | 2004-07-13 | Integral device for powder sampling and investigating |
Country Status (1)
| Country | Link |
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| CN (1) | CN2709976Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865795A (en) * | 2010-06-18 | 2010-10-20 | 北京华亘安邦科技有限公司 | Gas sampling device |
| CN101692022B (en) * | 2009-09-30 | 2011-07-27 | 聚光科技(杭州)股份有限公司 | Atmospheric dust sampling method and monitoring method |
| CN102494911A (en) * | 2011-12-02 | 2012-06-13 | 蒋敏 | Device for detecting dedusting effect of electrostatic deduster |
| CN103591472A (en) * | 2013-11-25 | 2014-02-19 | 南京工业职业技术学院 | Night read lighting device |
| CN108088708A (en) * | 2018-01-12 | 2018-05-29 | 深圳市翠云谷科技有限公司 | A kind of particulate matter samples shaft inner flow passage system |
| CN108181216A (en) * | 2018-01-16 | 2018-06-19 | 青岛和诚环保科技有限公司 | β ray Apparatus for Dust Content in Stack |
| CN109085188A (en) * | 2018-07-31 | 2018-12-25 | 国政通科技有限公司 | Explosive particle detection device and method |
| CN113758881A (en) * | 2021-08-30 | 2021-12-07 | 江苏天瑞仪器股份有限公司 | In-situ detection method for underground water |
| US11927507B2 (en) | 2018-04-12 | 2024-03-12 | Pharma and Nutraceutical PD Pty Ltd | Sampling device |
-
2004
- 2004-07-13 CN CN 200420011258 patent/CN2709976Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101692022B (en) * | 2009-09-30 | 2011-07-27 | 聚光科技(杭州)股份有限公司 | Atmospheric dust sampling method and monitoring method |
| CN101865795B (en) * | 2010-06-18 | 2012-03-21 | 北京华亘安邦科技有限公司 | Gas sampling device |
| CN101865795A (en) * | 2010-06-18 | 2010-10-20 | 北京华亘安邦科技有限公司 | Gas sampling device |
| CN102494911A (en) * | 2011-12-02 | 2012-06-13 | 蒋敏 | Device for detecting dedusting effect of electrostatic deduster |
| CN103591472A (en) * | 2013-11-25 | 2014-02-19 | 南京工业职业技术学院 | Night read lighting device |
| CN108088708B (en) * | 2018-01-12 | 2024-01-26 | 深圳市翠云谷科技有限公司 | Particle sampling rotating shaft inner runner system |
| CN108088708A (en) * | 2018-01-12 | 2018-05-29 | 深圳市翠云谷科技有限公司 | A kind of particulate matter samples shaft inner flow passage system |
| CN108181216A (en) * | 2018-01-16 | 2018-06-19 | 青岛和诚环保科技有限公司 | β ray Apparatus for Dust Content in Stack |
| CN108181216B (en) * | 2018-01-16 | 2023-09-22 | 青岛和诚环保科技有限公司 | Beta ray smoke tester |
| US11927507B2 (en) | 2018-04-12 | 2024-03-12 | Pharma and Nutraceutical PD Pty Ltd | Sampling device |
| CN109085188A (en) * | 2018-07-31 | 2018-12-25 | 国政通科技有限公司 | Explosive particle detection device and method |
| CN113758881A (en) * | 2021-08-30 | 2021-12-07 | 江苏天瑞仪器股份有限公司 | In-situ detection method for underground water |
| CN113758881B (en) * | 2021-08-30 | 2024-06-25 | 江苏天瑞仪器股份有限公司 | In-situ detection method for groundwater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEZHOU GUANGLI SCIENCE + TECHNOLOGY CO., LTD. Free format text: FORMER NAME: GUANGLI SCIENCE + TECHNOLOGY DEVELOPMENT CO., LTD., ZHENGZHOU |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 450001, No. 58, Ruida Road, hi tech Zone, Henan, Zhengzhou Patentee after: Zhengzhou GL Tech Company Address before: 450001, No. 58, Ruida Road, hi tech Zone, Henan, Zhengzhou Patentee before: Guangli Science & Technology Development Co., Ltd., Zhengzhou |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Patentee after: Zhengzhou GL Tech Company Address before: 450001, No. 58, Ruida Road, hi tech Zone, Henan, Zhengzhou Patentee before: Zhengzhou GL Tech Company |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050713 Termination date: 20130713 |