CN202649005U - Drying device for dust-measuring filter membranes - Google Patents
Drying device for dust-measuring filter membranes Download PDFInfo
- Publication number
- CN202649005U CN202649005U CN 201220305079 CN201220305079U CN202649005U CN 202649005 U CN202649005 U CN 202649005U CN 201220305079 CN201220305079 CN 201220305079 CN 201220305079 U CN201220305079 U CN 201220305079U CN 202649005 U CN202649005 U CN 202649005U
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- CN
- China
- Prior art keywords
- filter membrane
- box
- drying device
- filter
- vertical shaft
- 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.)
- Expired - Lifetime
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- 239000012528 membrane Substances 0.000 title claims abstract description 202
- 238000001035 drying Methods 0.000 title claims abstract description 33
- 239000000428 dust Substances 0.000 claims abstract description 28
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 239000007769 metal material Substances 0.000 claims description 9
- 230000003068 static effect Effects 0.000 abstract description 16
- 238000012864 cross contamination Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000005070 sampling Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000000739 chaotic effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a drying device for dust-measuring filter membranes. The drying device comprises a base plate, a vertical shaft, a filter membrane box, a protective sleeve and a filter membrane storage panel, wherein the vertical shaft is fixed in the center of the base plate; the filter membrane box is sleeved on the vertical shaft; the filter membrane storage panel is stored in the filter membrane box; and the base plate, the vertical shaft and the filter membrane box are placed in the protective sleeve. The dust-measuring filter membranes are fixed on the drying device to be dried, so that pollution to the filter membranes, caused by a drier, and cross contamination of the filter membranes, are avoided; a filter membrane fixing clamp is used for fixing the filter membranes, so that dust samples collected in the filter membranes are prevented from falling off; the filter membrane storage panel made of metal is adopted to lead static electricity on the filter membranes out, and as a filter membrane static eliminator is not used, dried filter membranes are prevented from being dampened again, and the dust samples collected on the filter membranes are not lost; and as the protective sleeve is adopted, the drying device can be conveniently carried to the site, and as a top cover and a bottom cover are used to seal the filter membrane box, the filter membranes in the filter membrane box are protected against external pollution.
Description
Technical field
The utility model relates to a kind of exsiccator, relates in particular to a kind of device for dust measuring filter membrane drying.
Technical background
" dust determination part 1 in the workplace air: total dust concentration " (GBZ/T192.1-2007) (GBZ/T192.2-2007) requires before dust sampling with " dust determination part 2 in the workplace air: respirable dust concentration " at present, filter membrane needs dry 2h, weighs behind the removal static; After the sampling, filter membrane doubling 2 times, dry 2h weighs behind the removal static.During at present work on the spot, generally adopt exsiccator dry, sampling membrane is removed static with static eliminator.There is following defective in its operation:
1, adopts the dry filter membrane of exsiccator, filter membrane is directly put into exsiccator, cause easily exsiccator to the cross pollution between filter membrane pollution and filter membrane, thereby affect test result.
2, owing to can't make label on the filter membrane, after the collected specimens, filter membrane taken out from the valve bag (or other storing utensils) of depositing the filter membrane tape label put into exsiccator, without fixing filter membrane device, cause easily filter membrane to number confusion, not easy-to-search in the exsiccator.
3, after the collected specimens, filter membrane is put into exsiccator since in the exsiccator without fixing filter membrane device, the filter membrane after the doubling opens easily, the sample that gathers on the filter membrane comes off easily, thereby affects test result.
When 4, using the filter membrane static eliminator to remove filter membrane static, need static eliminator was blown tens seconds facing to filter membrane, cause easily dry good filter membrane again to make moist, thereby affect test result.
5, after the sampling, owing to open easily after the filter membrane doubling, when using the filter membrane static eliminator to blow facing to filter membrane, easily the sample that collects is blown off, cause the loss of collected specimens, thereby affect test result.
The utility model content
In order effectively to solve the dry problem with removing static of dust measuring filter membrane, the utility model provides a kind of dust measuring filter membrane drying device.The utility model is by the following technical solutions:
A kind of dust measuring filter membrane drying device comprises the chassis, vertical shaft, and the filter membrane box, protective sleeve and filter membrane are deposited panel; Described vertical shaft is fixed in center chassis; Described filter membrane box is placed on the vertical shaft; Described filter membrane is deposited panel and is deposited in the filter membrane box; Described chassis, vertical shaft and filter membrane box are placed in the protective sleeve.
Described filter membrane box is comprised of inner ring surface, outer ring surface, bottom surface, top cover and bottom; Be hollow structure between described interior ring and the outer shroud; The center of described bottom surface, top cover and bottom is with holes, and the aperture is greater than interior ring diameter, less than the vertical shaft lower end diameter; Described bottom surface is porous plate, adopts metal material.
Described filter membrane is deposited panel and is adopted metal material, is the rectangle porous plate, and long and wide all greater than the filter membrane diameter, the upper end is provided with at least one groove; Filter membrane is radial inclination and is fixed on the bottom surface of filter membrane box, and filter membrane is deposited panel and simultaneously is fixed with filter membrane geometrical clamp and filter membrane fixed strip up; The length of described filter membrane geometrical clamp is strip, and length is longer than 1.4 times of filter membrane radiuses; Described filter membrane fixed strip is strip, and two ends are deposited panel with filter membrane and are fixedly connected with.
Described protective sleeve is comprised of the protection body that connects successively, protection upper shield and handle; The lower end closed of described protection body; The upper end closed of described protection upper shield; Described handle is fixed in protective sleeve and covers.
Described filter membrane box, filter membrane is deposited panel, and filter membrane geometrical clamp and filter membrane fixed strip all can arrange a plurality of as required; Filter membrane box inner ring surface internal diameter, makes between filter membrane box bottom surface and the chassis and leaves the space when filter membrane box is placed on the vertical shaft less than the vertical shaft lower end diameter, is beneficial to the drying of filter membrane; Filter membrane box bottom surface and filter membrane storage surface adopt porous plate, are beneficial to the filter membrane drying; The top cover of filter membrane box and bottom can avoid the filter membrane that is placed in the filter membrane box contaminated; Whole drying device can be placed in the protective sleeve, avoids being subjected to outside contamination at drying device; Filter membrane box bottom surface and filter membrane are deposited panel and are adopted metal material, are beneficial to eliminate the static that carries on the filter membrane.
Using method of the present utility model is: dry before (1) sampling: as first dust measuring filter membrane drying device to be taken out from protective sleeve; remove top cover and the bottom of filter membrane box; because it is skewed that filter membrane is deposited panel; filter membrane can be tiled in filter membrane deposits on the panel; being convenient to derives static on the filter membrane; the filter membrane geometrical clamp is clamped the filter membrane upper edge; the filter membrane lower edge is deposited slit between panel by filter membrane fixed strip and filter membrane; fixing filter membrane; it is dry that dust measuring filter membrane drying device integral body is put into exsiccator; in the dry run, static is deposited panel by the filter membrane of metal material on the filter membrane derives, and weighs after the drying.(2) after sampling finishes, after 2 doublings of filter membrane, be laid on filter membrane and deposit on the panel, filter membrane is dehisced part upwards, the filter membrane geometrical clamp is clamped the filter membrane part of dehiscing, cover filter membrane box top cover and bottom, prevent that outer bound pair filter membrane from polluting, when dry, take off filter membrane box top cover and bottom, dust measuring filter membrane drying device is put into exsiccator, after drying destatics, weigh.
The beneficial effects of the utility model are: the dust measuring filter membrane is fixed on the dust measuring filter membrane drying device dry, can not cause exsiccator to the pollution of filter membrane and the cross pollution between filter membrane; The filter membrane geometrical clamp is other can to arrange the uniqueness sign, can not cause the filter membrane numbering chaotic, easy-to-look-up when dry; The filter membrane geometrical clamp is clamped the filter membrane place of dehiscing fixing, and the powder sample that gathers in the filter membrane can not come off; The utility model adopts the filter membrane of metal material to deposit panel static on the filter membrane is derived, and does not use the filter membrane static eliminator, can not cause dry good filter membrane again to make moist, and does not lose the powder sample that gathers on the filter membrane; Use protective sleeve, be easy to carry to the scene, during on-the-spot the use, with top cover and bottom the filter membrane box is sealed, make the filter membrane in the filter membrane box avoid outside contamination.
Description of drawings
Fig. 1 is that dust measuring filter membrane drying device each several part described in the utility model splits synoptic diagram;
Fig. 2 is (except protective sleeve) synoptic diagram after the dust measuring filter membrane drying device assembling described in the utility model;
Fig. 3 is that dust measuring filter membrane drying device described in the utility model uses synoptic diagram.
Wherein: 1-top cover hole; The 2-top cover; The 3-inner ring surface; The 4-outer ring surface; The 5-bottom surface; 6-bottom hole; The 7-bottom; The 8-vertical shaft; The 9-chassis; 10-filter membrane geometrical clamp fixed pivot; The 11-groove; 12-filter membrane geometrical clamp; The 13-filter membrane is deposited panel; 14-filter membrane fixed strip point of fixity; 15-filter membrane fixed strip; The 16-handle; 17-protects upper shield; 18-protects body; The 19-filter membrane.
Embodiment
The present invention is described further below in conjunction with the drawings and specific embodiments.
Such as Fig. 1, Fig. 2, dust measuring filter membrane drying device shown in Figure 3, comprise chassis 9, vertical shaft 8, the filter membrane box, protective sleeve and filter membrane are deposited panel 13; Vertical shaft 8 is fixed in 9 centers, chassis; The filter membrane box is placed on the vertical shaft 8; Filter membrane is deposited panel 13 and is deposited in the filter membrane box; Chassis 9, vertical shaft 8 and filter membrane box are placed in the protective sleeve.
The filter membrane box is comprised of inner ring surface 3, outer ring surface 4, bottom surface 5, top cover 2 and bottom 7; It is hollow structure between interior ring and the outer shroud; The center of described bottom surface 5, top cover 2 and bottom 7 is with holes; Metal material is adopted in bottom surface 5.
Filter membrane is deposited panel 13 and is adopted metal material, and the upper end is provided with at least one groove 11; Filter membrane is deposited panel 13 and is radial inclination and is fixed on the bottom surface 5 of filter membrane box, filter membrane geometrical clamp 12 is fixedly connected on filter membrane by filter membrane geometrical clamp fixed pivot 10 and deposits on the panel 13, and the filter membrane fixed strip point of fixity 14 of filter membrane fixed strip 15 by two ends is connected to filter membrane and deposits on the panel 13.
Protective sleeve is comprised of the protection body 18 that connects successively, protection upper shield 17 and handle 16; The lower end closed of protection body 18; The upper end closed of protection upper shield 17; Handle 16 is fixed on the protection upper shield 17.
The using method of dust measuring filter membrane drying device is:
Before the sampling; from protective sleeve, take out dust measuring filter membrane drying device; the filter membrane box is taken off from vertical shaft 8; top cover 2 and bottom 7 are taken off from the filter membrane box body; unclamp filter membrane and deposit filter membrane geometrical clamp 12 on the panel 13; filter membrane 19 is tiled in filter membrane to be deposited on the panel 13; make filter membrane 19 lower ends deposit the slit of 13 of panels by filter membrane fixed strip 15 and filter membrane; clamp fixedly filter membrane 19 of filter membrane geometrical clamp 12; the filter membrane box body is enclosed within on the vertical shaft 8; as shown in Figure 3; it is dry to put into exsiccator, after drying is complete, deposits panel 13 upper grooves 11 with tweezers from filter membrane and clamps filter membrane 19; unclamp filter membrane geometrical clamp 12; with tweezers filter membrane 19 is taken out weighings, during spot sampling, with the filter membrane drying device protective sleeve of packing into; handle 16 is arranged on the protective sleeve; be easy to carry to the scene, after sampling finishes, with filter membrane 19 doublings 2 times; Origuchi is made progress; be laid on filter membrane and deposit on the panel 13, filter membrane geometrical clamp 12 is clamped the filter membrane doubling and is dehisced to cover top cover 2 and bottom 7 in the place; make filter membrane avoid extraneous pollution; the filter membrane box is placed on the vertical shaft 8, and the protective sleeve of packing into is taken back the laboratory; take out dust measuring filter membrane drying device; take off top cover 2 and bottom 7, device is put into the exsiccator drying, the filter membrane 19 dry rear weighings of taking out; after using end; cover top cover 2 and bottom 7, the filter membrane box is placed on the vertical shaft 8, as shown in Figure 2; device is put into protection body 18, cover protection upper shield 17.
Claims (4)
1. a dust measuring filter membrane drying device is characterized in that, comprises the chassis, vertical shaft, and the filter membrane box, protective sleeve and filter membrane are deposited panel; Described vertical shaft is fixed in center chassis; Described filter membrane box is placed on the vertical shaft; Described filter membrane is deposited panel and is deposited in the filter membrane box; Described chassis, vertical shaft and filter membrane box are placed in the protective sleeve.
2. dust measuring filter membrane drying device according to claim 1 is characterized in that, described filter membrane box is comprised of inner ring surface, outer ring surface, bottom surface, top cover and bottom; It is hollow structure between described inner ring surface and the outer ring surface; The center of described bottom surface, top cover and bottom is with holes, and the aperture is greater than interior ring diameter, less than the vertical shaft lower end diameter; Described bottom surface is porous plate, adopts metal material.
3. dust measuring filter membrane drying device according to claim 1 is characterized in that, described filter membrane is deposited panel and adopted metal material, is the rectangle porous plate, and long and wide all greater than the filter membrane diameter, the upper end is provided with at least one groove; Filter membrane is radial inclination and is fixed on the bottom surface of filter membrane box, and filter membrane is deposited panel and simultaneously is fixed with filter membrane geometrical clamp and filter membrane fixed strip up; The length of described filter membrane geometrical clamp is strip, and length is longer than 1.4 times of filter membrane radiuses; Described filter membrane fixed strip is strip, and two ends are deposited panel with filter membrane and are fixedly connected with.
4. dust measuring filter membrane drying device according to claim 1 is characterized in that, described protective sleeve is comprised of the protection body that connects successively, protection upper shield and handle; The lower end closed of described protection body; The upper end closed of described protection upper shield; Described handle is fixed in protective sleeve and covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220305079 CN202649005U (en) | 2012-06-27 | 2012-06-27 | Drying device for dust-measuring filter membranes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220305079 CN202649005U (en) | 2012-06-27 | 2012-06-27 | Drying device for dust-measuring filter membranes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202649005U true CN202649005U (en) | 2013-01-02 |
Family
ID=47418097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220305079 Expired - Lifetime CN202649005U (en) | 2012-06-27 | 2012-06-27 | Drying device for dust-measuring filter membranes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202649005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108704687A (en) * | 2018-05-03 | 2018-10-26 | 宁波大学 | A kind of circular glass fibrous filter membrane ranked and stacked pile formula fire ware |
-
2012
- 2012-06-27 CN CN 201220305079 patent/CN202649005U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108704687A (en) * | 2018-05-03 | 2018-10-26 | 宁波大学 | A kind of circular glass fibrous filter membrane ranked and stacked pile formula fire ware |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |