CN201249066Y - Miniature filtering device for eliminating pollution from ethidium bromide in waste solution of libratory efficiently - Google Patents
Miniature filtering device for eliminating pollution from ethidium bromide in waste solution of libratory efficiently Download PDFInfo
- Publication number
- CN201249066Y CN201249066Y CNU2008201181216U CN200820118121U CN201249066Y CN 201249066 Y CN201249066 Y CN 201249066Y CN U2008201181216 U CNU2008201181216 U CN U2008201181216U CN 200820118121 U CN200820118121 U CN 200820118121U CN 201249066 Y CN201249066 Y CN 201249066Y
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- China
- Prior art keywords
- filter
- ethidium bromide
- filtering
- waste liquid
- casing body
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- Expired - Fee Related
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Abstract
The utility model discloses a miniature filtering device for eliminating the pollution from ethidium bromide in the waste solution of the libratory efficiently, which comprises an upper cover and a funnel-shaped filter casing body, a filtering bag with an upper opening is arranged in the filter casing body, a filter disc is arranged at the lower part of the filtering bag, a filtering outlet is arranged at the bottom of the filter casing body, and a connector for connecting the collection bottle is arranged on the filter casing body of the filtering outlet. The filter disc is made of active carbon fiber. A pressing ring is arranged between the filter disc and the filtering bag, the pressing ring is connected with the inner side wall of the filter casing body through threads, and the pressing ring is a rotary pressing ring, which can be rotated out or rotated in to press and fix the filter disc. To improve the filtering speed, a vacuum pump connection tube communicated with the filtering outlet is arranged on the side wall of the connector. The utility model has the advantages that not only the ethidium bromide in the waste solution can be eliminated efficiently, but also the miniature filtering device can be used repeatedly only after the active carbon fiber filter disc is replaced.
Description
Technical field
The utility model relates to the filter technical field, especially a kind of midget plant that utilizes ethidium bromide in the waste liquid of NACF filtration experiment chamber.
Background technology
Ethidium bromide is strong mutagens, has high carcinogenic, and is volatile.It can with the DNA non-specific binding, and under ultraviolet irradiation, send fluorescence, thereby be widely used in the detection of the indoor DNA electrophoresis of Bioexperiment, still effectively do not substitute reagent at present.Known active carbon can effectively adsorb this strong carcinogenicity pollutant, and the burning active carbon that is adsorbed with ethidium bromide can bromizate the second ingot and is degraded to totally nontoxic.Present most of biology laboratory is to the not treated direct discharging of the waste liquid that contains ethidium bromide; The part laboratory uses granular active carbon absorption, filtration or chemical method to make its inactivation, these method operation more complicated.Therefore, the device that needs ethidium bromide in a kind of removal waste liquid easily and effectively of design.
The utility model content
The purpose of this utility model provides the small-sized filter that ethidium bromide pollutes in a kind of effective removal laboratory waste liquid, and it can protect environment and experimenter's health effectively.
For achieving the above object, the utility model is by the following technical solutions:
The small-sized filter that ethidium bromide pollutes in a kind of effective removal laboratory waste liquid, it is characterized in that, it includes a loam cake and a funnelform filter housings, in this filter housings, be provided with the filter bag of upper shed, be provided with a filter in the filter bag bottom, be provided with a filtering outlet in the bottom of filter housings, on the filter housings of filtering outlet, be provided with the connector that connects receiving flask.
Described filter is to be made by NACF.
Be provided with pressure ring between described filter and filter bag, this pressure ring is threaded with the madial wall of filter housings, and this pressure ring is the rotation pressure ring, can screw out the replacing filter, or screw-in is fixed filter.
In order to improve the rate of filtration, be provided with the vavuum pump that communicates with filtering outlet at the sidewall of connector and take over.
The utility model not only can be removed the ethidium bromide in the waste liquid easily and effectively, and only need replace the NACF filter disc and can conveniently reuse, thereby reduces the environmental pollution that discarded object causes.
The utility model compared with prior art has following advantage:
1. validity: effective adsorption area of NACF is far longer than activated carbon granule, can effectively adsorb the ethidium bromide in the waste liquid, and be convenient to burning disposal;
2. practicality: the NACF filter membrane can be changed, thereby main body of the present utility model is recycled, and reaches the purpose of energy-saving and environmental protection;
3. reasonability: use the chemical fibre filter bag can effectively remove colloid residue in the waste liquid, avoid stopping up the NACF filter disc, thereby handle the ethidium bromide waste liquid fast and effectively.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, is not qualification of the present utility model.
Referring to shown in Figure 1: the small-sized filter that ethidium bromide pollutes in a kind of effective removal laboratory waste liquid, it includes a loam cake 1 and a funnelform filter housings 2, be provided with the filter bag 3 of upper shed in this filter housings 2, be provided with a filter 5 in filter bag 3 bottoms; Be provided with a filtering outlet 6 in the bottom of filter housings 2, on the filter housings 2 of filtering outlet 6, be provided with the connector 7 that connects receiving flask.
Described filter 5 is to be made by NACF.
Be provided with pressure ring 4 between described filter 5 and filter bag 3, this pressure ring is threaded with the madial wall of filter housings 2.This pressure ring is the rotation pressure ring, can screw out to change filter 5, or screw-in is fixed filter.
In order to improve the rate of filtration, be provided with the vavuum pump that communicates with filtering outlet 6 at the sidewall of connector 7 and take over 8.
During use, the ethidium bromide waste liquid is poured in the filter bag 3, covered loam cake 1, prevent the ethidium bromide volatilization, after the ethidium bromide waste liquid flow through filter bag 3, the colloid residue was removed in the waste liquid, thereby avoided stopping up filter 5.After the ethidium bromide waste liquid flow through filter 5, ethidium bromide was adsorbed, and reached the filtration purpose.Waste liquid after the filtration flows in the receiving flask of bottom by filtering outlet 6, can directly discharge then.Vavuum pump interface 8 connects vavuum pump, and the vacuum available pump is bled during filtration, to accelerate the rate of filtration.
After filter 5 absorption is saturated, can reverse rotation and take out pressure ring 4, insert new NACF filter disc, fixing with pressure ring 4 then.Filter bag 3 can take out cleaning.
The above is specific embodiment of the utility model and the know-why used, and is any based on the exchange of the equivalence on the technical solutions of the utility model basis, all belongs within the utility model protection domain.
Claims (4)
1, the small-sized filter that ethidium bromide pollutes in a kind of effective removal laboratory waste liquid, it is characterized in that, it includes a loam cake (1) and a funnelform filter housings (2), be provided with the filter bag (3) of upper shed in this filter housings (2), be provided with a filter (5) in filter bag (3) bottom; Be provided with a filtering outlet (6) in the bottom of filter housings (2), on the filter housings (2) of filtering outlet (6), be provided with the connector (7) that connects receiving flask.
2, the small-sized filter that ethidium bromide pollutes in effective removal laboratory waste liquid according to claim 1 is characterized in that described filter (5) is to be made by NACF.
3, the small-sized filter that ethidium bromide pollutes in effective removal laboratory waste liquid according to claim 1, it is characterized in that, be provided with pressure ring (4) between described filter (5) and filter bag (3), this pressure ring is threaded with the madial wall of filter housings (2).
4, the small-sized filter that ethidium bromide pollutes in effective removal laboratory waste liquid according to claim 1 is characterized in that, is provided with the vavuum pump adapter (8) that communicates with filtering outlet (6) at the sidewall of connector (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201181216U CN201249066Y (en) | 2008-06-11 | 2008-06-11 | Miniature filtering device for eliminating pollution from ethidium bromide in waste solution of libratory efficiently |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201181216U CN201249066Y (en) | 2008-06-11 | 2008-06-11 | Miniature filtering device for eliminating pollution from ethidium bromide in waste solution of libratory efficiently |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201249066Y true CN201249066Y (en) | 2009-06-03 |
Family
ID=40744737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201181216U Expired - Fee Related CN201249066Y (en) | 2008-06-11 | 2008-06-11 | Miniature filtering device for eliminating pollution from ethidium bromide in waste solution of libratory efficiently |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201249066Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103230691A (en) * | 2013-04-24 | 2013-08-07 | 浙江硕华医用塑料有限公司 | Connector for vacuum filter |
| CN106345220A (en) * | 2015-07-13 | 2017-01-25 | 中国农业科学院兰州兽医研究所 | Ethidium bromide adsorbing device |
-
2008
- 2008-06-11 CN CNU2008201181216U patent/CN201249066Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103230691A (en) * | 2013-04-24 | 2013-08-07 | 浙江硕华医用塑料有限公司 | Connector for vacuum filter |
| CN106345220A (en) * | 2015-07-13 | 2017-01-25 | 中国农业科学院兰州兽医研究所 | Ethidium bromide adsorbing device |
| CN106345220B (en) * | 2015-07-13 | 2023-04-28 | 中国农业科学院兰州兽医研究所 | Application of adsorption device in adsorption of volatilized ethidium bromide |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20120611 |