CN204034574U - Hydrophobic filter film and mounting structure thereof - Google Patents
Hydrophobic filter film and mounting structure thereof Download PDFInfo
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- CN204034574U CN204034574U CN201420402796.9U CN201420402796U CN204034574U CN 204034574 U CN204034574 U CN 204034574U CN 201420402796 U CN201420402796 U CN 201420402796U CN 204034574 U CN204034574 U CN 204034574U
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- filter film
- hydrophobic filter
- screw thread
- receiving flask
- film
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Abstract
The utility model discloses a kind of hydrophobic filter film and mounting structure thereof.The material of described hydrophobic filter film is polytetrafluoroethylene (PTFE), and its thickness is 1-2mm; The shape of described hydrophobic filter film is circular, and its diameter is 4-4.5mm.Described hydrophobic filter film is distributed with some holes; Described hole is circular, and its diameter is preferably 20 microns.Described receiving flask lower end is provided with chews with screw thread water the screw thread coupling matched, and described hydrophobic filter film is stuck in screw thread water chews, and described screw thread water is chewed and is connected to receiving flask lower end.This structure is convenient for changing hydrophobic filter film, and the utility model hydrophobic filter film is high temperature resistant, corrosion-resistant, pollution-free, and tool hydrophobicity is easy to clean, to retort gas good filtration effect.The character of Teflon filtration film is good, has high temperature resistant preferably, corrosion-resistant, does not have secondary pollution to collection.
Description
Technical field
The utility model relates to distillation collecting device technical field, particularly a kind of hydrophobic filter film and mounting structure thereof.
Background technology
At present, filter membrane mainly contains nylon membrane, polyvinylidene fluoride film, mixed cellulose ester, polypropylene, polyether sulfone, polytetrafluoroethylene (PTFE).Wherein, polytetrafluoroethylene (PTFE) has chemical compatibility the most widely, can tolerate DMSO, THF, DMF, carrene, the strong solvents such as chloroform, is applied to the filtration of all organic solution, particularly the filtration of the not tolerant strong solvent of other filter membrane.
In prior art, in the film of hydrophobic filter, it is not high that the film of many materials and shape all shows utilization rate, and hot environment deforms dissolving, not acid-fast alkali-proof etc.
Inconvenient when filter membrane in existing distillation gathering-device is changed, its mounting structure is further improved.
Part related art document: China's miillpore filter present Research and development (" membrane science and technology ", in August, 2003, the 23rd volume the 4th phase the 186th page to 189 pages); Application number is the invention filter membrane of 200680007983.5; Application number is the invention macropore filter membrane of 201280028685.X.Above prior art, the optimal parameter assembled scheme of all not open hydrophobic filter film for cyanide, ammonia nitrogen distillation gathering system, the mounting structure of its hydrophobic filter film is also further improved.
Utility model content
Technical problem to be solved in the utility model is, provides one to retort gas good filtration effect, changes hydrophobic filter film and mounting structure thereof easily.
The technical solution of the utility model is: a kind of hydrophobic filter film, and the material of described hydrophobic filter film is polytetrafluoroethylene (PTFE), and its thickness is 1-2mm; The shape of described hydrophobic filter film is circular, and its diameter is 4-4.5mm.Described hydrophobic filter film is distributed with some holes; Described hole is circular, and pore diameter is preferably 20 microns.
The diameter of described hydrophobic filter film is preferably 4mm.
The thickness of described hydrophobic filter film is preferably 1.5mm.
Described hydrophobic filter film is arranged on the lower end of the receiving flask of distillation gathering-device.
A mounting structure for hydrophobic filter film, comprises above-mentioned hydrophobic filter film, receiving flask, screw thread water chews; Described receiving flask lower end is provided with chews with screw thread water the screw thread coupling matched, and described hydrophobic filter film is stuck in screw thread water chews, and described screw thread water is chewed and is connected to receiving flask lower end.
Described screw thread water is chewed and is closely connected with screw thread coupling.
Hydrophobic filter film in the utility model, for in cyanide, ammonia nitrogen distillation gathering system, effectively can intercept steam and allow the gas to be measured (as HCN, ammonia nitrogen etc.) of distillation generation enter sample collection bottle, complete the filtration to retort gas, carry out sample distillation and then collect retort gas by membrane filtration, complete sample predetermined substance to collect, collected rear working sample content of material, be applicable to environmental monitoring and scientific research field.The utility model hydrophobic filter film is high temperature resistant, corrosion-resistant, pollution-free, tool hydrophobicity, easy to clean, to retort gas good filtration effect.This hydrophobic filter film film is thin, porous, and performance is firm, is insoluble to most of aggressive chemistry solvent, strong acid and highly basic, operating temperature range :-120 ~ 260 DEG C.The character of Teflon filtration film is good, has high temperature resistant preferably, corrosion-resistant, does not have secondary pollution to collection.
Hydrophobic filter film is stuck in screw thread water chews, and screw thread coupling is chewed with screw thread water and connected, and this structure is convenient for changing hydrophobic filter film, i.e. cyanide, the ammonia-nitrogen content of the next testing sample of convenient distillation test.
Accompanying drawing explanation
Fig. 1 is the hydrophobic filter film schematic diagram in the utility model.
Fig. 2 is the structural representation of the mounting structure of hydrophobic filter film in the utility model and cyanide, ammonia nitrogen distillation gathering system.
Description of reference numerals: heater 1, cucurbit 2, liquid-feeding tube 3, addition funnel 4, hydrophobic filter film 5, receiving flask 6, vacuum extractor 7, screw thread water chew 8.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of hydrophobic filter film, material is polytetrafluoroethylene (PTFE), and its thickness is 1.5mm; Shape is circular, and diameter is 4mm.Described hydrophobic filter film is distributed with some holes; Described hole is circular, and its pore diameter is 20 microns.Described hydrophobic filter film is arranged on the lower end of the receiving flask of distillation gathering-device.
The characteristic of hydrophobic filter film is as follows:
1, the material of filter membrane: polytetrafluoroethylene (PTFE) (PTFE), high temperature resistant, corrosion-resistant, pollution-free, easy to clean.
2, filter membrane shape, area and thickness: thick 1.5mm, the circular filter membrane of diameter 4mm reaches higher recovery to the collection of receiving retort gas.
3, filter membrane hole: when filter membrane pore size is diameter 20 microns, the through-rate of retort gas is more suitable.
4, hydrophobicity: can effectively intercept the water droplet formed after distillation.
As shown in Figure 2, cyanide, ammonia nitrogen distillation gathering system comprise heater 1, connect the distillation gathering-device of heater, connect the vacuum extractor 7 distilling gathering-device; Described distillation gathering-device comprises distilling apparatus and gathering-device; Described distilling apparatus comprises mark graduated cucurbit 2, diaptychus, liquid-feeding tube 3, addition funnel 4; Diaptychus is arranged on cucurbit bottleneck, and one end of described liquid-feeding tube connects addition funnel, the other end is inserted in cucurbit through cucurbit bottleneck; Described gathering-device comprises hydrophobic filter film 5, screw thread water chews 8, receiving flask 6, collect liquid; Described hydrophobic filter film chews the lower end being fixed on receiving flask by screw thread water, receiving flask lower end is provided with screw thread coupling, hydrophobic filter film is put into screw thread water and chews, be closely connected with lower end screw thread coupling.Described collection liquid level is in receiving flask; Diaptychus comprises gas outlet and filling opening, and described liquid-feeding tube inserts in cucurbit through filling opening, and the lower end of receiving flask is connected with cucurbit by the gas outlet of pipeline through diaptychus; Described hydrophobic filter film adopts above-described hydrophobic filter film.
Sample adds in cucurbit, reagent is added by liquid-feeding tube, whole device connects closely, air-tightness is high, and when heated sample is seethed with excitement, in sample, test substance gasification rises to gathering-device, collect the test substance after gasification in distilling apparatus, collection liquid and gas to be measured complete gas-liquid isolation by hydrophobic filter film, chewed and hydrophobic filter film is fixed on receiving flask end, can easily change by screw thread water.Arrive collection liquid after the hydrophobic filter film body of gas to be measured through having certain material, hole, thickness and area filters and complete collection, hydrophobic filter film body has hydrophobicity.
Establish mozzle 2 in the bottleneck of receiving flask upper end, facilitate liquid to add the outflow with liquid, and upper end bottleneck is tapered can connect tightr, interior printing 25ml graduation mark, facilitates liquid quantitative.
Heater in cyanide, ammonia nitrogen distillation gathering system, can adopt and there is thermostatically controlled heater, precise control of temperature and heat time, after the gas distillation allowing in sample, receiving flask is entered by after gas filtration by hydrophobic porous hydrophobic filter film, liquid is collected by gas collection to be measured in receiving flask, vacuum extractor, there is provided power-assisted to collection solution collection gas, allow whole distillation collection process reach retort gas pressure and to collect pressure balance, complete the high efficiente callback of whole gathering system.Its beneficial effect specifically comprises:
1, sample tests: be applicable to surface water, underground water, sanitary sewage, the mensuration of cyanide, ammonia nitrogen in industrial wastewater;
2, the heat time can control flexibly: 0 ~ 99 hour, heating power: 1200W;
4, thermostatic control: room temperature ~ 260 DEG C, control accuracy: ± 1 DEG C;
5, distillation is collected: add reaction reagent convenient, leak without toxic gas.Easy to operate, distillation gathering-device air-tightness is good, and add reagent convenient, gas-tight, gathering-device is without the need to condensed water, and sample evaporates immediately, and be collected liquid immediately and collect, the collection rate of recovery is high, safe and reliable.
7, filter: hydrophobic filter film completes collection by arriving collection liquid after gas filtration to be measured, and hydrophobic filter film has hydrophobicity, and hydrophobic filter film can be changed.
The foregoing is only preferred embodiment of the present utility model, the utility model can also have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., be all included within protection domain of the present utility model.
Claims (6)
1. a hydrophobic filter film, is characterized in that: the material of described hydrophobic filter film is polytetrafluoroethylene (PTFE), and its thickness is 1-2mm; The shape of described hydrophobic filter film is circular, and its diameter is 4-4.5mm; Described hydrophobic filter film is distributed with some holes, and described hole is circular, and pore diameter is 20 microns.
2. hydrophobic filter film as claimed in claim 1, is characterized in that: the diameter of described hydrophobic filter film is 4mm.
3. hydrophobic filter film as claimed in claim 1, is characterized in that: the thickness of described hydrophobic filter film is 1.5mm.
4. hydrophobic filter film as claimed in claim 1, is characterized in that: described hydrophobic filter film is arranged on the lower end of the receiving flask of distillation gathering-device.
5. a mounting structure for hydrophobic filter film, is characterized in that: comprise hydrophobic filter film according to claim 1, receiving flask, screw thread water chews; Described receiving flask lower end is provided with chews with screw thread water the screw thread coupling matched, and described hydrophobic filter film is stuck in screw thread water chews, and described screw thread water is chewed and is connected to receiving flask lower end.
6. the mounting structure of hydrophobic filter film according to claim 5, is characterized in that: described screw thread water is chewed and is closely connected with screw thread coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420402796.9U CN204034574U (en) | 2014-07-21 | 2014-07-21 | Hydrophobic filter film and mounting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420402796.9U CN204034574U (en) | 2014-07-21 | 2014-07-21 | Hydrophobic filter film and mounting structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204034574U true CN204034574U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420402796.9U Expired - Fee Related CN204034574U (en) | 2014-07-21 | 2014-07-21 | Hydrophobic filter film and mounting structure thereof |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198122A (en) * | 2016-07-25 | 2016-12-07 | 长沙湘蓝科学仪器有限公司 | A kind of cyanide, ammonia nitrogen distillation catcher |
-
2014
- 2014-07-21 CN CN201420402796.9U patent/CN204034574U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198122A (en) * | 2016-07-25 | 2016-12-07 | 长沙湘蓝科学仪器有限公司 | A kind of cyanide, ammonia nitrogen distillation catcher |
| CN106198122B (en) * | 2016-07-25 | 2019-04-02 | 长沙湘蓝科学仪器有限公司 | A kind of cyanide, ammonia nitrogen distill collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20210721 |