CN209188370U - A kind of pressure-detecting device of integrity of ultrafiltration membrane for identification - Google Patents
A kind of pressure-detecting device of integrity of ultrafiltration membrane for identification Download PDFInfo
- Publication number
- CN209188370U CN209188370U CN201821829346.2U CN201821829346U CN209188370U CN 209188370 U CN209188370 U CN 209188370U CN 201821829346 U CN201821829346 U CN 201821829346U CN 209188370 U CN209188370 U CN 209188370U
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- CN
- China
- Prior art keywords
- pipe
- ultrafiltration membrane
- insulating box
- integrity
- air inlet
- 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.)
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Abstract
The utility model discloses a kind of pressure-detecting devices of integrity of ultrafiltration membrane for identification, including shell, the side of the ultrafiltration membrane body is communicated with sewage pipe, the ultrafiltration membrane body is communicated with concentrated water pipe far from the side of sewage pipe, the outlet side of the air pump is equipped with air inlet pipe, side of the air inlet pipe far from air pump is connected to through the first insulating box with sewage pipe, one end of the concentrated water pipe is equipped with escape pipe, the escape pipe is threaded with plug through the second insulating box, cotton yarn filter layer is mounted in the middle part of the air inlet pipe and an air outlet pipe, the side that the sewage pipe closes on air inlet pipe is equipped with the first differential pressure gauge, the side that the escape pipe closes on plug is equipped with the second differential pressure gauge.The utility model is filtered the air by cotton yarn filter layer, and the temperature of air inlet pipe and an air outlet pipe is maintained by the first insulating box and the second insulating box, reduces influence of the temperature to head loss.
Description
Technical field
The utility model relates to ultrafiltration membrane technique field, specially a kind of pressure detecting of integrity of ultrafiltration membrane for identification
Device.
Background technique
Ultrafiltration membrane is that a kind of aperture specification is consistent, and nominal pore range is 0.01 micron of micropore filtering film below, in film
Side impose appropriate pressure, the solute molecule less than aperture can be sifted out, to separate molecular weight greater than 500 dalton, partial size
Particle greater than 10 nanometers will seriously affect effluent quality however, breakage once occurs in the film wire inside ultrafiltration membrane, influence to surpass
The quality of filter needs to detect the integrality of ultrafiltration membrane, and existing integrity of ultrafiltration membrane is known method for distinguishing and mainly passed through
Detection raw water end air chamber pressure changes with time, or by the variation of inlet end and outlet side pressure difference, and then according to pressure
Situation of change judge whether ultrafiltration membrane complete.
But the temperature of the above-mentioned not guaranteed detection position of two kinds of detection modes is identical, the difference of temperature will lead to gas
Pressure fluctuation influences testing result, and another party, not effectively removing the impurity in air will lead in the detection process, and damage is super
Filter membrane influences testing result.
Utility model content
The purpose of this utility model is to provide a kind of pressure-detecting devices of integrity of ultrafiltration membrane for identification, simply just
Prompt maintenance inlet end is identical as the temperature of outlet side air, avoids the influence of fluctuations testing result of temperature, meanwhile, effectively go
Except the impurity in air, ultrafiltration membrane in detection process is avoided to damage, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of integrity of ultrafiltration membrane for identification
Pressure-detecting device, including shell, ultrafiltration membrane body and air pump, the lower part of the shell are provided with water outlet, the ultrafiltration membrane
The side of ontology is communicated with sewage pipe, and the ultrafiltration membrane body is communicated with concentrated water pipe, the ultrafiltration membrane far from the side of sewage pipe
Ontology is fixed on the inside of the shell, and the outlet side of the air pump is equipped with air inlet pipe, and the air inlet pipe is far from air pump
Side be connected to sewage pipe through the first insulating box, one end of the concentrated water pipe is equipped with escape pipe, and the escape pipe runs through
Second insulating box is threaded with plug, and cotton yarn filter layer, the sewage are mounted in the middle part of the air inlet pipe and an air outlet pipe
The side that pipe closes on air inlet pipe is equipped with the first differential pressure gauge, and the side that the escape pipe closes on plug is equipped with the second differential pressure gauge.
Preferably, the shell is mounted on sealing ring between sewage pipe and concentrated water pipe respectively, and under the shell
Portion is equipped with support base.
Preferably, the side of first insulating box and the second insulating box is mounted on thermometer, and first constant temperature
Case and the second insulating box are constant temperature electric oven.
Preferably, the plug is cylindrical setting, and the side of the plug is equipped with convex block.
Preferably, the both ends of the cotton yarn filter layer are mounted on fixture block, are equipped with bone in the middle part of the cotton yarn filter layer
Frame.
Preferably, the model of first differential pressure gauge and the second differential pressure gauge is identical.
Compared with prior art, the utility model has the beneficial effects that air is blasted air inlet pipe by air pump, pass through
Cotton yarn filter layer filters the air, and the temperature of air inlet pipe and an air outlet pipe is maintained by the first insulating box and the second insulating box,
Influence of the variation of temperature and humidity to head loss is reduced, and effectively removes the large granular impurity in air, avoids ultrafiltration
The inside of membrane body is damaged.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the utility model cotton yarn filter layer portions structure sectional view；
Fig. 3 is the stopper structure schematic diagram of the utility model.
In figure: 1 shell, 2 ultrafiltration membrane bodies, 3 air pumps, 4 water outlets, 5 sewage pipes, 6 concentrated water pipes, 7 air inlet pipe, 8 first
Insulating box, 9 escape pipes, 10 second insulating boxs, 11 plugs, 12 cotton yarn filter layers, 13 first differential pressure gauges, 14 second differential pressure gauges, 15
Sealing ring, 16 support bases, 17 thermometers, 18 convex blocks, 19 fixture blocks, 20 skeletons.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of pressure of integrity of ultrafiltration membrane for identification
Detection device, including shell 1, ultrafiltration membrane body 2 and air pump 3, the lower part of the shell 1 are provided with water outlet 4, the ultrafiltration membrane
The side of ontology 2 is communicated with sewage pipe 5, and the ultrafiltration membrane body 2 is communicated with concentrated water pipe 6 far from the side of sewage pipe 5, described super
Filter membrane ontology 1 is fixed on the inside of the shell 1, and the outlet side of the air pump 3 is equipped with air inlet pipe 7, and air pump 3 provides inspection
Air required for surveying, side of the air inlet pipe 7 far from air pump 3 is connected to through the first insulating box 8 with sewage pipe 5, described
One end of concentrated water pipe 6 is equipped with escape pipe 9, and the escape pipe 9 is threaded with plug 11 through the second insulating box 10, it is described into
The middle part of tracheae 7 and escape pipe 9 is mounted on cotton yarn filter layer 12, filters the air, and the sewage pipe 5 closes on air inlet pipe
7 side is equipped with the first differential pressure gauge 13, and the side that the escape pipe 9 closes on plug 11 is equipped with the second differential pressure gauge 14.
Specifically, the shell 1 is mounted on sealing ring 15, and the shell between sewage pipe 5 and concentrated water pipe 6 respectively
1 lower part is equipped with support base 16, and sealing ring 15 is sealed, and prevents from leaking, and support base 16 is supported shell 1.
Specifically, the side of first insulating box 8 and the second insulating box 10 is mounted on thermometer 17, and described first
Insulating box 8 and the second insulating box 10 are constant temperature electric oven, and the model of the first insulating box 8 and the second insulating box 10 is FYL-YS-
150L, constant temperature range are as follows: 2-48 DEG C, preferably realization thermostatic process.
Specifically, the plug 11 is cylindrical setting, and the side of the plug 11 is equipped with convex block 18, convenience pair
Escape pipe 9 is blocked, and convex block 18 facilitates the installation and removal of plug 11.
Specifically, the both ends of the cotton yarn filter layer 12 are mounted on fixture block 19, the middle part peace of the cotton yarn filter layer 12
Equipped with skeleton 20, fixture block 19 is convenient to install cotton yarn filter layer 12, and skeleton 20 increases the intensity of cotton yarn filter layer 12.
Specifically, first differential pressure gauge 13 is identical with the model of the second differential pressure gauge 14, the first differential pressure gauge 13 and second is poor
The model of pressure table 14 is CYW153B stainless steel differential pressure gauge, and pressure detecting error caused by avoiding signal different is excessive.
Working principle: in use, air is blasted air inlet pipe 7 by air pump 3, lead to the cotton yarn filtering at 7 middle part of air inlet pipe
Layer 12 filters the air, and inside the first insulating box 8, detects 5 end of sewage pipe by the first differential pressure gauge 13
Air pressure, then air enters the inside of ultrafiltration membrane body 2, and enters escape pipe 9 by sewage pipe 5, subsequently into the second constant temperature
Case 10 detects the pressure of 9 end of escape pipe by the second differential pressure gauge 14, compares that two pressure readings are poor, and pressure difference is more than
10Pa, ultrafiltration membrane body 2 is imperfect, the temperature one of the first insulating box 8 and the second insulating box 10 maintenance air inlet pipe 7 and escape pipe 9
It causes, reduces influence of the variation to head loss of temperature and humidity, and effectively remove the large granular impurity in air, avoid surpassing
The inside of filter membrane ontology 2 is damaged.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of pressure-detecting device of integrity of ultrafiltration membrane for identification, including shell (1), ultrafiltration membrane body (2) and air
It pumps (3), it is characterised in that: the lower part of the shell (1) is provided with water outlet (4), and the side of the ultrafiltration membrane body (2) is communicated with
Sewage pipe (5), the ultrafiltration membrane body (2) are communicated with concentrated water pipe (6) far from the side of sewage pipe (5), the ultrafiltration membrane body
(2) it is fixed on the inside of the shell (1), the outlet side of the air pump (3) is equipped with air inlet pipe (7), the air inlet pipe (7)
Side far from air pump (3) is connected to through the first insulating box (8) with sewage pipe (5), and one end of the concentrated water pipe (6) is equipped with
Escape pipe (9), the escape pipe (9) are threaded with plug (11) through the second insulating box (10), the air inlet pipe (7) and out
It is mounted in the middle part of tracheae (9) cotton yarn filter layer (12), the side that the sewage pipe (5) closes on air inlet pipe (7) is equipped with
One differential pressure gauge (13), the side that the escape pipe (9) closes on plug (11) are equipped with the second differential pressure gauge (14).
2. a kind of pressure-detecting device of integrity of ultrafiltration membrane for identification according to claim 1, it is characterised in that: institute
It states shell (1) and is mounted on sealing ring (15) between sewage pipe (5) and concentrated water pipe (6) respectively, and the lower part of the shell (1)
Support base (16) are installed.
3. a kind of pressure-detecting device of integrity of ultrafiltration membrane for identification according to claim 1, it is characterised in that: institute
The side for stating the first insulating box (8) and the second insulating box (10) is mounted on thermometer (17), and first insulating box (8) and
Second insulating box (10) is constant temperature electric oven.
4. a kind of pressure-detecting device of integrity of ultrafiltration membrane for identification according to claim 1, it is characterised in that: institute
Plug (11) is stated as cylindrical setting, and the side of the plug (11) is equipped with convex block (18).
5. a kind of pressure-detecting device of integrity of ultrafiltration membrane for identification according to claim 1, it is characterised in that: institute
The both ends for stating cotton yarn filter layer (12) are mounted on fixture block (19), are equipped with skeleton in the middle part of the cotton yarn filter layer (12)
(20)。
6. a kind of pressure-detecting device of integrity of ultrafiltration membrane for identification according to claim 1, it is characterised in that: institute
It is identical with the model of the second differential pressure gauge (14) to state the first differential pressure gauge (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821829346.2U CN209188370U (en) | 2018-11-07 | 2018-11-07 | A kind of pressure-detecting device of integrity of ultrafiltration membrane for identification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821829346.2U CN209188370U (en) | 2018-11-07 | 2018-11-07 | A kind of pressure-detecting device of integrity of ultrafiltration membrane for identification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209188370U true CN209188370U (en) | 2019-08-02 |
Family
ID=67410628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821829346.2U Expired - Fee Related CN209188370U (en) | 2018-11-07 | 2018-11-07 | A kind of pressure-detecting device of integrity of ultrafiltration membrane for identification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209188370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114405283A (en) * | 2021-12-30 | 2022-04-29 | 武汉艾科滤膜技术有限公司 | Water film generation device for ultrafiltration membrane integrity diagnosis |
-
2018
- 2018-11-07 CN CN201821829346.2U patent/CN209188370U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114405283A (en) * | 2021-12-30 | 2022-04-29 | 武汉艾科滤膜技术有限公司 | Water film generation device for ultrafiltration membrane integrity diagnosis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20211107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |