CN102735521B - De-watering and collecting tester facilitating laboratory sample analysis - Google Patents
De-watering and collecting tester facilitating laboratory sample analysis Download PDFInfo
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- CN102735521B CN102735521B CN201210220796.2A CN201210220796A CN102735521B CN 102735521 B CN102735521 B CN 102735521B CN 201210220796 A CN201210220796 A CN 201210220796A CN 102735521 B CN102735521 B CN 102735521B
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- cylindrical cavity
- pallet
- circular cylindrical
- seal diaphragm
- lifting
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Abstract
The invention relates to a de-watering and collecting tester facilitating laboratory sample analysis. The tester comprises a cylindrical cavity, a tray assembly, a sealing separator plate and a vacuum pump, wherein the tray assembly and the sealing separator plate are located in the cylindrical cavity, the top of the cylindrical cavity is provided with a seal cover, the sealing separator plate and the seal cover forms an annular seal space, the tray assembly comprises a tray and a lifting control, the bottom of the lifting control is fixed at the bottom of the cylindrical cavity, a lifting unit of the lifting control is fixedly connected with the tray after penetrating the sealing separator plate, a sealing ring is provided at a junction part of the lifting unit and the sealing separator plate, a vacuum air exhaust pipe of the vacuum pump enters into a chamber from the cylindrical cavity at the lower part of the sealing separator plate and then penetrates the sealing separator plate, uniformly distributed sample bottle disposing holes are provided in the tray, filter column disposing holes respectively corresponding to the sample bottle disposing holes in the tray are provided in the seal cover, and matching sealing plugs or filter columns are arranged in the filter column disposing holes.
Description
Technical field
The present invention relates to the test unit of analyzing for laboratory sample, especially a kind of test unit that dewaters and collect during for sample analysis.
Background technology
In chemical analysis work, tend to run into liquid-liquid extraction, the organic reagent after extraction contains moisture, and the analysis that affects instrument is measured, and especially in agricultural chemicals, fatty acid analysis, affects medicine gasification, brings error to analytical work.The moisture of removing in organic solution to be analyzed is used the triangular funnel of placing absorbent cotton conventionally, anhydrous sodium sulfate or other water suction reagent are placed on absorbent cotton, by gravity drippage, not only consuming time, and can cause the volatilization loss of easy volatile solvent, cause the change of measuring solution concentration, each sample size of processing is also limited simultaneously, is not suitable for mass disposal.Moreover absorbent cotton easily comes off when operation, and the reagent that causes absorbing water enters receiving flask, cause moisture removal failure.Moreover the solution to be analyzed in receiving flask need to be transferred in the special loading bottle of instrumental analysis again, increase treatment step and consumptive material consumption.
Summary of the invention
The object of the invention is to: during for current chemical analysis in liquid-liquid extraction organic solvent moisture remove and consuming time when solution to be analyzed collects, can not mass disposal and the carrier practical problems that causes moisture removal failure and solvent evaporates to be lost that comes off, a kind of dewatering and collecting test unit of laboratory sample analysis that be easy to is provided.
The object of the present invention is achieved like this: be a kind ofly easy to dewatering and collecting test unit of laboratory sample analysis, it is characterized in that: formed by circular cylindrical cavity, pallet component, seal diaphragm and vacuum pump, wherein:
A) pallet component and seal diaphragm are arranged in circular cylindrical cavity, and seal diaphragm is fixedly connected with circular cylindrical cavity inner wall sealing, and circular cylindrical cavity top is gland bonnet, between seal diaphragm and gland bonnet, forms annular seal space;
B) pallet component comprises pallet and lifting control, seal diaphragm is positioned at the below of pallet, the bottom of circular cylindrical cavity is fixed in the bottom of lifting control, the jacking gear of lifting control is fixedly connected with pallet after passing through seal diaphragm, jacking gear and seal diaphragm joint portion are provided with O-ring seal, and the apparatus for controlling of lifting of lifting control is arranged in the chamber of seal diaphragm bottom;
C) vacuum exhaust pipe of vacuum pump passes through seal diaphragm after entering chamber by the circular cylindrical cavity of seal diaphragm bottom again;
D) pallet is provided with equally distributed sample bottle putting hole, gland bonnet be provided with pallet in sample bottle putting hole filter one to one post putting hole, on described filter post putting hole, be furnished with sealing-plug or filter post.
In the present invention: described jacking gear is made up of tooth bar, lifting column, jacking sleeve, firm banking, lifting column bottom is fixedly connected with circular cylindrical cavity bottom by firm banking, jacking sleeve is set on lifting column, tooth bar is located at the outer wall of jacking sleeve, and jacking sleeve top is connected with pallet; Described apparatus for controlling of lifting is made up of gear, fixed support and drive link, and drive link is by fixed support positioning supports, and its one end is provided with gear, and the other end stretches out circular cylindrical cavity, and the drive link end of stretching out circular cylindrical cavity is provided with knob; Described gear engages with described tooth bar.
In the present invention: described jacking sleeve top is connected with tray bottom central authorities by brace.
In the present invention: filter is provided with sieve plate in post, filter column bottom is also provided with drainage tube, and sieve plate is positioned at filter column bottom, and covers and the drainage tube port of filtering column bottom and crossing.
In the present invention: the material of described circular cylindrical cavity is transparent tempered glass or plastics; Gland bonnet and pallet adopt polytetrafluoroethylmaterial material to make.
The invention has the advantages that: owing to being provided with vaccum-pumping equipment in device, can accelerate the Negotiation speed of solution, can effectively prevent the reagent volatilization that volatility is very strong; Owing to being provided with the passage of multiple placement filter plants in device, be suitable for the batch processing of laboratory sample, and sieve plate in long-neck filter post solution smoothly by be conducive to keep absorbent cotton not come off; Place the lifting control docking with long-neck filter post lower end sharp-crested for the pallet of the instrument loading bottles such as liquid phase, gas phase, liquid matter, makings and by loading bottle, dewatering and collecting when sample analysis can be facilitated owing to being provided with in device.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the decomposing schematic representation of pallet component in Fig. 1.
Fig. 3 is the structural representation of filtration unit.
In figure: 1, have O-ring seal Lv road, 2, gland bonnet, 3, circular cylindrical cavity, 4, sample bottle putting hole, 5, lifting column, 6, fixed muffle, 7, firm banking, 8, locating groove, 9, pallet, 10, gear, 11, drive link, 12, tooth bar, 13, knob, 14, fixed support, 15, vacuum meter, 16, vacuum exhaust pipe, 17, brace, 18, filter post, 19, sieve plate, 20, vacuum pump, 21, sealing-plug, 22, O-ring seal, 23, seal diaphragm, 24, drainage tube.
Embodiment
Accompanying drawing discloses the concrete structure of one embodiment of the present of invention without limitation, and below in conjunction with accompanying drawing, the present invention is further illustrated.
As seen from Figure 1, the present invention is made up of circular cylindrical cavity 3, pallet component, seal diaphragm 23 and vacuum pump 20, wherein:
Pallet component and seal diaphragm 23 are arranged in circular cylindrical cavity 3, and seal diaphragm 23 is fixedly connected with circular cylindrical cavity 3 inner wall sealings, and circular cylindrical cavity 3 tops are gland bonnet 2, between seal diaphragm 23 and gland bonnet 2, form annular seal space.
Pallet component comprises pallet 9 and lifting control, seal diaphragm 23 is positioned at the below of pallet 9, the bottom of circular cylindrical cavity 3 is fixed in the bottom of lifting control, the jacking gear of lifting control is fixedly connected with pallet 9 after passing through seal diaphragm 23, jacking gear and seal diaphragm 23 joint portions are provided with O-ring seal 22, and the apparatus for controlling of lifting of lifting control is arranged in the chamber of seal diaphragm 23 bottoms;
The vacuum exhaust pipe 16 of vacuum pump 20 passes through seal diaphragm 23 after entering chamber by the circular cylindrical cavity 3 of seal diaphragm 23 bottoms again; In vacuum exhaust pipe 16, be also provided with vacuum meter 15.
Pallet 9 is provided with equally distributed sample bottle putting hole 4, gland bonnet 2 be provided with pallet 9 in sample bottle putting hole 4 filter one to one post putting hole 1, on described filter post putting hole 1, be furnished with sealing-plug 21 or filter post.
For the ease of operation, the material of circular cylindrical cavity 3 should be selected transparent tempered glass or plastics.
As seen from Figure 2, in the present embodiment: described jacking gear is made up of tooth bar 12, lifting column 5, jacking sleeve 6, firm banking 7, lifting column 5 bottoms are fixedly connected with circular cylindrical cavity 3 bottoms by firm banking 7, jacking sleeve 6 is set on lifting column 5, tooth bar 12 is located at the outer wall of jacking sleeve 6, and jacking sleeve 6 tops are fixedly connected with pallet 9 central authorities by brace 17; Described apparatus for controlling of lifting is made up of gear 10, fixed support 14 and drive link 11, and drive link 11 is by fixed support 14 positioning supports, and its one end is provided with gear 10, and the other end stretches out circular cylindrical cavity 3, and drive link 11 ends of stretching out cylindrical cavity are provided with knob 13; Described gear 10 engages with described tooth bar 12.
As seen from Figure 3, filter is provided with sieve plate 19 in post 18, and filter post 18 bottoms are also provided with drainage tube 24, and sieve plate 19 is positioned at filter post 18 bottoms, and covers and drainage tube 24 ports of filtering post 18 bottoms and crossing.
When concrete enforcement, the wall thickness of circular cylindrical cavity 3 is 7mm, is highly 200mm; Described top cover 2 peripheries and the bead junction of circular cylindrical cavity 3 arrange reinforced stock sealing strip and locating groove 8 man-hour adding, and when use, reinforced stock sealing strip can be at reinforced seal under negative pressure; Gland bonnet 2 and pallet 9 adopt polytetrafluoroethylmaterial material to make; The height of filter post 18 is 40mm, and diameter is 15mm, and the high 50mm diameter of drainage tube 24 is 4mm, and sieve plate 19 adopts porous polypropylene material to make.
Before the present invention uses, first water suction reagent is packed in the filter post 18 that contains sieve plate 19, the liquid level of water suction reagent is higher than sieve plate 10-15mm, then filter post 18 is inserted in the filter post putting hole 1 of gland bonnet 2, the filter post putting hole 1 use sealing-plug 21 not used seals, and in the sample bottle putting hole 4 corresponding with filter post putting hole 1, place sample bottle in pallet 9, then the gland bonnet 2 that is inserted with filter post 18 is passed through to locating groove 8 fixed positions, by rotation knob 13, be with carry-over bar 12 by gear 10, the jacking sleeve 6 of realizing connection tooth bar 12 rises or declines, and observe by transparent circular cylindrical cavity 3, when filter post 18 lower end drainage tube 24 sharp-cresteds enter sample bottle and otch when concordant with sample bottleneck, stop rising or the decline of pallet 9, then add test solution to be dewatered in filter post 18 upper ends, open vacuum pump, solution after collection dewaters.After collection finishes, rotation knob 13, declines pallet 9, and after the negative pressure in depressurization chamber, opening encapsulation lid 2, takes off sample bottle, for instrumental analysis, or uses instrumental analysis after solution is further concentrated again.
After the reagent that dewaters in filter post 18 removes, clean and filter post 18 and sieve plate 19 with organic reagent, or after replacing sieve plate 19, can continue the test of next batch.
Claims (4)
1. be easy to dewatering and collecting a test unit of laboratory sample analysis, it is characterized in that: formed by circular cylindrical cavity, pallet component, seal diaphragm and vacuum pump, wherein:
A) pallet component and seal diaphragm are arranged in circular cylindrical cavity, and seal diaphragm is fixedly connected with circular cylindrical cavity inner wall sealing, and circular cylindrical cavity top is gland bonnet, between seal diaphragm and gland bonnet, forms annular seal space;
B) pallet component comprises pallet and lifting control, seal diaphragm is positioned at the below of pallet, the bottom of circular cylindrical cavity is fixed in the bottom of lifting control, the jacking gear of lifting control is fixedly connected with pallet after passing through seal diaphragm, jacking gear and seal diaphragm joint portion are provided with O-ring seal, and the apparatus for controlling of lifting of lifting control is arranged in the chamber of seal diaphragm bottom;
Described jacking gear is made up of tooth bar, lifting column, jacking sleeve, firm banking, lifting column bottom is fixedly connected with circular cylindrical cavity bottom by firm banking, jacking sleeve is set on lifting column, and tooth bar is located at the outer wall of jacking sleeve, and jacking sleeve top is connected with pallet; Described apparatus for controlling of lifting is made up of gear, fixed support and drive link, and drive link is by fixed support positioning supports, and its one end is provided with gear, and the other end stretches out circular cylindrical cavity, and the drive link end of stretching out circular cylindrical cavity is provided with knob; Described gear engages with described tooth bar;
C) vacuum exhaust pipe of vacuum pump passes through seal diaphragm after entering chamber by the circular cylindrical cavity of seal diaphragm bottom again;
D) pallet is provided with equally distributed sample bottle putting hole, gland bonnet be provided with pallet in sample bottle putting hole filter one to one post putting hole, on described filter post putting hole, be furnished with sealing-plug or filter post.
2. be according to claim 1ly easy to dewatering and collecting test unit of laboratory sample analysis, it is characterized in that: described jacking sleeve top is connected by brace and tray bottom central authorities.
3. be according to claim 1ly easy to dewatering and collecting test unit of laboratory sample analysis, it is characterized in that: in filter post, be provided with sieve plate, filter column bottom is also provided with drainage tube, and sieve plate is positioned at filter column bottom, and covers and the drainage tube port of filtering column bottom and crossing.
4. according to being easy to dewatering and collecting test unit of laboratory sample analysis one of claim 1-3 Suo Shu, it is characterized in that: the material of described circular cylindrical cavity is transparent tempered glass or plastics; Gland bonnet and pallet adopt polytetrafluoroethylmaterial material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210220796.2A CN102735521B (en) | 2012-06-29 | 2012-06-29 | De-watering and collecting tester facilitating laboratory sample analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210220796.2A CN102735521B (en) | 2012-06-29 | 2012-06-29 | De-watering and collecting tester facilitating laboratory sample analysis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102735521A CN102735521A (en) | 2012-10-17 |
| CN102735521B true CN102735521B (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210220796.2A Expired - Fee Related CN102735521B (en) | 2012-06-29 | 2012-06-29 | De-watering and collecting tester facilitating laboratory sample analysis |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423987B (en) * | 2013-08-21 | 2015-02-11 | 湖南三德科技股份有限公司 | Automatic jacking and sealing device for wind-through dehumidifying dryer |
| CN103852366B (en) * | 2014-03-13 | 2016-04-27 | 浙江省海洋水产研究所 | Aquatic products detect the batch filtration unit used |
| CN105145521B (en) * | 2015-08-31 | 2017-09-26 | 仲恺农业工程学院 | Device for detecting contact killing effect of pesticide on pests |
| CN107452593A (en) * | 2017-09-19 | 2017-12-08 | 珠海美华医疗科技有限公司 | A kind of mass spectrometric disengaging sampling device and mass spectrograph |
| CN109680349A (en) * | 2018-12-25 | 2019-04-26 | 南通新帝克单丝科技股份有限公司 | Composite spinning squeezes out unit |
| WO2022178898A1 (en) * | 2021-02-28 | 2022-09-01 | 苏州鱼得水电气科技有限公司 | Vacuum processing apparatus for chemical production |
Citations (6)
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| GB2415488A (en) * | 2004-05-13 | 2005-12-28 | Bruker Biospin Gmbh | Dividing a gas flow for drying solid phase extraction samples |
| CN2789754Y (en) * | 2005-03-02 | 2006-06-21 | 江苏省农业科学院 | Extracting and purifying device |
| CN101013071A (en) * | 2007-01-31 | 2007-08-08 | 南开大学 | Atmosphere dry-wet deposition multifunctional sampling instrument with auto-lifting gathering tank |
| CN201391898Y (en) * | 2009-02-25 | 2010-01-27 | 邓正刚 | Energy-saving firewood stove |
| CN202033224U (en) * | 2011-04-13 | 2011-11-09 | 珠海科域生物工程有限公司 | Novel sampling mechanism |
| CN202693377U (en) * | 2012-06-29 | 2013-01-23 | 中国科学院南京地理与湖泊研究所 | Dewatering and collecting test device easy to perform laboratory sample analysis |
-
2012
- 2012-06-29 CN CN201210220796.2A patent/CN102735521B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2415488A (en) * | 2004-05-13 | 2005-12-28 | Bruker Biospin Gmbh | Dividing a gas flow for drying solid phase extraction samples |
| CN2789754Y (en) * | 2005-03-02 | 2006-06-21 | 江苏省农业科学院 | Extracting and purifying device |
| CN101013071A (en) * | 2007-01-31 | 2007-08-08 | 南开大学 | Atmosphere dry-wet deposition multifunctional sampling instrument with auto-lifting gathering tank |
| CN201391898Y (en) * | 2009-02-25 | 2010-01-27 | 邓正刚 | Energy-saving firewood stove |
| CN202033224U (en) * | 2011-04-13 | 2011-11-09 | 珠海科域生物工程有限公司 | Novel sampling mechanism |
| CN202693377U (en) * | 2012-06-29 | 2013-01-23 | 中国科学院南京地理与湖泊研究所 | Dewatering and collecting test device easy to perform laboratory sample analysis |
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| CN102735521A (en) | 2012-10-17 |
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