CN110102189A - A kind of high-precision detection device for reverse osmosis membrane - Google Patents
A kind of high-precision detection device for reverse osmosis membrane Download PDFInfo
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- CN110102189A CN110102189A CN201910338714.6A CN201910338714A CN110102189A CN 110102189 A CN110102189 A CN 110102189A CN 201910338714 A CN201910338714 A CN 201910338714A CN 110102189 A CN110102189 A CN 110102189A
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- 239000012528 membrane Substances 0.000 title claims abstract description 122
- 238000001514 detection method Methods 0.000 title claims abstract description 82
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 162
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 238000001914 filtration Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 238000013461 design Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 5
- 241000196171 Hydrodictyon reticulatum Species 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 3
- 101150038956 cup-4 gene Proteins 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000002790 cross-validation Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 238000011895 specific detection Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/10—Accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of high-precision detection devices for reverse osmosis membrane, it is related to reverse osmosis membrane detection technique field, it include: elevator pump, accurate filter, high-pressure pump, membrane cisterna group and standard liquid water tank, standard liquid water tank, elevator pump, accurate filter, high-pressure pump and membrane cisterna group are sequentially communicated；Equipped with membrane cisterna that is several in parallel and/or being arranged in series in membrane cisterna group, membrane cisterna includes the first bearing plate, second bearing plate, and the detection diaphragm between the first bearing plate and the second bearing plate is set, inlet and outlet are additionally provided on second bearing plate, water flow passage was additionally provided between inlet and outlet, first bearing plate, which is equipped with, produces the mouth of a river, frequency converter is additionally provided on high-pressure pump, water outlet is additionally provided with pressure regulator valve, realize identical diaphragm at different conditions, or different diaphragms compare test under the same conditions, realize that diaphragm detection efficiency is high, it carries out the contrast test of different diaphragms simultaneously and test condition easily reaches consistent effect.
Description
Technical field
The present invention relates to reverse osmosis membrane detection technique field, especially a kind of high-precision for reverse osmosis membrane detects dress
It sets.
Background technique
Reverse osmosis (RO) technology is current most advanced, most energy-efficient to efficiently separate one of technology.It is many natural or artificial
Film has selectivity for the transmission of substance, and when concentrated water and fresh water are separated by one layer of semi-permeable membrane, only water can be by
Salinity and organic matter cannot but pass through in water.Under natural conditions, water is penetrated into from fresh water side to concentrated water side, is put down when infiltration reaches dynamic
Pressure difference is generated in the solution face of concentrated water and fresh water when weighing apparatus, this pressure difference is known as osmotic pressure, and this process is known as permeating.If
Concentrated water side applies pressure so that being more than osmotic pressure, then the water in concentrated water can penetrate into dilute side, this process by semipermeable membrane
It is exactly the opposite with the process of osmosis that occurs under natural conditions, so referred to as reverse osmosis.Can have using reverse osmosis stalling characteristic
Effect ground removes the impurity such as dissolving salt, colloid, organic matter, bacterium in water.With low energy consumption, pollution-free, technique is advanced, operation is simple
Just the advantages that, reverse osmosis technology, are widely used in national economy every field；As reverse osmosis technology is at dyeing water
The large-scale popularization application of science and engineering skill, the various problems that counter-infiltration system exposes in operation are also increasing, therefore how right
Reverse osmosis membrane effect, which carries out high pressure and accurate detection, to be just particularly important.
A kind of reverse osmosis membrane on-line measuring device, the device as disclosed in Chinese utility model patent CN201034963Y
Including an elongated diversion pipe, it is inserted in the preformed hole of reverse osmosis unit membrane tube to be detected；One sealing-plug, it is pre- with membrane tube to be detected
It boxes out sealed connection, is provided with through-hole among it, the diversion pipe is worn wherein；One tightening member is provided with through-hole among it, institute
It states diversion pipe to wear in the through hole, which tightens together sealing-plug and diversion pipe.When detecting, by the device
It is fixed in reverse osmosis unit membrane tube to be detected, by the water for measuring the elongated diversion pipe being exposed at sealing-plug center outflow
Conductivity judge whether the reverse osmosis membrane of this position damages；The reverse osmosis membrane on-line measuring device of the utility model patent is not
High pressure detection can be carried out well, and there are problems that detection cannot be compared.
Summary of the invention
The present invention be directed to the drawbacks described above present in the prior art, spy proposes a kind of high-precision for reverse osmosis membrane
Detection device, solving existing reverse osmosis detection device can not ask under stable hyperbaric environment what reverse osmosis membrane was detected
Topic, while also solving the detection diaphragm amount that common detection device is easy to damage detection diaphragm in the detection process, needs to consume
The problem of greatly or needing finished product membrane component that could be detected further also solves existing detection device detection efficiency
It is low, the problem of good contrasting detection can not be carried out.
In order to solve the above technical problems, the present invention provides a kind of high-precision detection device for reverse osmosis membrane, comprising:
Elevator pump, accurate filter, high-pressure pump, membrane cisterna group and standard liquid water tank, standard liquid water tank, elevator pump, accurate filter, high pressure
Pump and membrane cisterna group are sequentially communicated；
Equipped with membrane cisterna that is several in parallel and/or being arranged in series in membrane cisterna group, membrane cisterna includes the first bearing plate, the second pressure-bearing
Plate and the detection diaphragm being arranged between the first bearing plate and the second bearing plate, be additionally provided on the second bearing plate water inlet and
Water outlet was additionally provided with water flow passage between inlet and outlet, and the first bearing plate, which is equipped with, produces the mouth of a river, and liquid to be detected is from water inlet
Mouth flows into, and filtering produces water and flows out from mouth of a river outflow, detection concentrated water is produced from water outlet；
High-pressure pump is connected to water inlet, and frequency converter is additionally provided on high-pressure pump, and water outlet is additionally provided with pressure regulator valve, passes through frequency conversion
Device adjusting high-pressure pump flows into pressure to adjust that liquid to be detected enters from the inlet membrane cisterna group, is detected by pressure regulation valve regulation dense
The flow and pressure for the detection concentrated water that water is flowed out from water outlet realize identical diaphragm in different condition by adopting the above technical scheme
Under, or different diaphragms are under the same conditions, and also or cross validation tests, by simulating the Stress calculation of pipeline and membrane cisterna,
It may insure that detection device 16Mpa super-pressure designs, while can be realized diaphragm detection efficiency height, different diaphragms can be carried out simultaneously
Contrast test and test condition easily reach unanimously, reduce the effect of error.
Wherein, crossing water flow passage is that several salient points being evenly arranged are formed；Diaphragm setting is detected on salient point top, close to water excessively
A groove is respectively provided at left and right sides of runner, water inlet and water outlet are oppositely arranged in two grooves, the first bearing plate and detection
It being additionally provided with water supporting plate between diaphragm, crosses water supporting plate equipped with several and crosses water lyriform pore, crossing water supporting plate for will test diaphragm compression
On the salient point being evenly arranged, by adopting the above technical scheme, diaphragm non-destructive testing can guarantee, further, detection is small with diaphragm amount,
It can be tested it is not necessary that film original part is made, and in actual application, cross the design of water flow passage, high pollution water source can be carried out
Test, rectangular dot matrix can guarantee the smooth circulation at high pollution water source.
Wherein, seal groove is additionally provided on the second bearing plate, seal groove surround the setting of water flow passage groove, and was equipped in seal groove
Sealing ring, the first bearing plate and the second bearing plate are connected and fixed by the screw being located on four angles, and fixation is reliable, can
Prevent the case where leaking in high pressure detection process.
Wherein, it is additionally provided with the branch board slot for accommodating water supporting plate on the first bearing plate, is additionally provided with M shape on branch board slot
Collecting channel, produce the mouth of a river and be located at the collecting channel center of M shape, be capable of the collection for guaranteeing filtering production water in maximum magnitude.
Wherein, water inlet is equipped with admitting pipe joint, is additionally provided with titting water outlet on water outlet, stream is additionally provided in membrane cisterna group
Meter and pressure gauge.
Wherein, the detection concentrated water of water outlet flows back into standard liquid water tank after pressure regulator valve.
Wherein, accumulator is additionally provided between high-pressure pump and membrane cisterna group；It is additionally provided between high-pressure pump and membrane cisterna group and standard liquid water
The safety line of case connection, safety line are equipped with return valve, it is ensured that power source pressure output is stablized persistently, while guaranteeing entire
Detection device it is safe and reliable.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the high-precision detection device for reverse osmosis membrane of the present invention；
Fig. 2 is a kind of perspective view of the high-precision detection device for reverse osmosis membrane of the present invention；
Fig. 3 is the explosive view 1 of membrane cisterna of the present invention；
Fig. 4 is the explosive view 2 of membrane cisterna of the present invention；
Fig. 5 is the schematic diagram of the embodiment of the present invention 4；
Fig. 6 is the schematic diagram of the embodiment of the present invention 3；
Fig. 7 is the second bearing plate perspective view of the invention；
In figure: 1 is elevator pump；2 be accurate filter；3 be high-pressure pump；4 be return valve；5 be accumulator；6 be monitor station；
7 be pressure gauge；8 be pressure regulator valve；9 be flowmeter；11 be membrane cisterna group；12 be switch；13 be membrane cisterna；14 be standard liquid water tank；15 are
Frequency converter gauge outfit；16 be admitting pipe joint；17 be titting water outlet；18 be collecting channel；19 be water flow passage；20 be first
Bearing plate；21 be the second bearing plate；22 be seal groove；23 be detection diaphragm；24 be water supporting plate；25 be water inlet；26 is out
The mouth of a river；27 be the production mouth of a river；28 be salient point；29 be groove；30 be sealing ring；31 be branch board slot.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example cannot be used to limit the scope of the invention for illustrating the present invention.
Embodiment 1:
A kind of high-precision detection device for reverse osmosis membrane of the embodiment of the present invention, as shown in Fig. 1 to Fig. 7, packet
It includes: elevator pump 1, accurate filter 2, high-pressure pump 3, membrane cisterna group 11 and standard liquid water tank 14, standard liquid water tank 14, elevator pump 1, essence
Close filter 2, high-pressure pump 3 and membrane cisterna group 11 are sequentially communicated, and specifically, elevator pump 1, accurate filter 2 and high-pressure pump 3 are all
It is arranged in 6 bottom of monitor station, standard liquid water tank 14 can be fixed at 6 bottom of monitor station, can also be by pipeline using external
Mode is connect with mobile standard liquid water tank 14, and membrane cisterna group 11 is arranged on 6 table top top of monitor station；On the table top of monitor station 6 also
Playing regulatory role equipped with the corresponding flowmeter 9 of each membrane cisterna 13, pressure gauge 7 and pressure regulator valve 8 or exhibitive face
Plate is gone out the liquid pump to be detected in standard liquid water tank 14 by elevator pump 1, then carries out contaminant filter by accurate filter 2, then
It is pressurizeed by high-pressure pump 3, switch 12 is additionally provided on monitor station 6, powered off and carry out for the energization to entire detection device
Control；
As shown in Figure 1, several membrane cisternas 13 being arranged in parallel and serial are equipped in membrane cisterna group 11, wherein three membrane cisternas 13 are simultaneously
Connection setting is to be arranged in series there are three membrane cisterna 13；Each membrane cisterna 13 include the first bearing plate 20, the second bearing plate 21 and
Detection diaphragm 23 between first bearing plate 20 and the second bearing plate 21 is set, is additionally provided with water inlet on the second bearing plate 21
25 and water outlet 26, water flow passage 19 was additionally provided between water inlet 25 and water outlet 26, the first bearing plate 20, which is equipped with, produces the mouth of a river
27, liquid to be detected is flowed into from water inlet 25, and filtering produces water and flows out from is produced from the mouth of a river 27, and detection concentrated water is flowed out from water outlet 26；It is going here and there
In three membrane cisternas 13 for joining setting, as shown in Figure 1, from the liquid to be detected that high-pressure pump 3 flows out from positioned at first film at first
The water inlet 25 in pond 13 flows into, and flows out from the water outlet 26 of the third membrane cisterna 13 of end, and the detection concentrated water of water outlet 26
It is flowed back into after pressure regulator valve 8 in standard liquid water tank 14, and is additionally provided with stream between the third membrane cisterna 13 and pressure regulator valve 8 of end
Meter 9 and pressure gauge 7, can on series pipe flow and pressure detect；
As shown in Figure 1, interconnected between the water inlet 25 of three membrane cisternas 13 in being arranged in parallel, three membrane cisternas 13
It being interconnected between water outlet 26, i.e., the liquid to be detected flowed out from high-pressure pump 3 enters three membrane cisternas being arranged in parallel 13 simultaneously, and
A pressure regulator valve 8, the detection of three membrane cisternas 13 being arranged in parallel are respectively provided in the water outlet 26 of three membrane cisternas being arranged in parallel 13
Concentrated water, which flows through to converge after corresponding pressure regulator valve 8, flows back into standard liquid water tank 14, and in the membrane cisterna group 11 being arranged in parallel, often
A membrane cisterna 13 is additionally provided with flowmeter 9 and pressure gauge 7 with pressure regulator valve 8, can be to the flow and pressure for each membrane cisterna 13 being arranged in parallel
Power is detected；
In order to realize that the pressure to membrane cisterna group 11 is adjusted, high-pressure pump 3 is connected to water inlet 25, as shown in Fig. 2, in height
It is additionally provided with frequency converter on press pump 3, frequency converter state can be shown by the frequency converter gauge outfit 15 on monitor station 6, be passed through
Frequency converter adjusting high-pressure pump 3 pumps out pressure, and in conjunction with pressure regulator valve 8 is additionally provided at 13 water outlet 26 of membrane cisterna, the pressure regulator valve 8 is specific
For needle valve, the valve that can be accurately adjusted and be able to bear biggish pressure, by frequency converter adjusting high-pressure pump 3 from
And adjust liquid to be detected and flow into pressure from water inlet 25 into membrane cisterna group 11, detection concentrated water is adjusted from water outlet by pressure regulator valve 8
The flow and pressure of the detection concentrated waters of 26 outflow of mouth, the two, which is implemented in combination with, adjusts the flow and pressure of entire series pipe
Section, or realize and the flow and pressure of membrane cisterna 13 each on parallel pipeline are adjusted, test scope is wide；According to required detection
Detection diaphragm 23 and the data demand of contrast design that needs to carry out carry out corresponding parameter setting, to realize same film
At different conditions, or different diaphragm is under the same conditions for piece, also or cross validation's test, passes through simulation pipeline and membrane cisterna
13 Stress calculation, it can be ensured that the design of detection device 16Mpa super-pressure, while can be realized diaphragm detection efficiency height, it can be same
The contrast test and test condition of Shi Jinhang difference diaphragm easily reach unanimously, reduce the effect of error.
As shown in fig. 7, crossing water flow passage 19 is several formation of salient point 28 being evenly arranged, specially salient point 28 is formed rectangular
Dot matrix, the interval between each salient point 28 formed water flow passage 19；That is detection diaphragm 23 is laid on rectangular dot matrix top, close to
The rectangular dot matrix for crossing water flow passage 19 is each side equipped with a groove 29, water inlet 25 and water outlet 26 be oppositely arranged on two it is recessed
In slot 29, specific liquid to be detected first fills the groove 29 at water inlet 25 after the inflow of water inlet 25, then to be checked
It surveys liquid and from each position of groove 29 simultaneously flowed through water flow passage 19, then reach and be located in the groove 29 of opposite side, and from water outlet
Mouth 26 flows out；It was additionally provided with water supporting plate 24 between first bearing plate 20 and detection diaphragm 23, water supporting plate 24 is crossed and is equipped with several mistakes
Water lyriform pore crosses water supporting plate 24 for will test diaphragm 23 and is pressed on the salient point 28 being evenly arranged, plays a supporting role, while energy
Enough without hindrance allowing are filtered production water and are flowed through, and then flow out from the production mouth of a river 27 at 20 top of the first bearing plate, experimenter will filter
It produces water to collect, carries out subsequent water yield, produces the detection that water power such as leads at the data, further include liquid to be detected and detection concentrated water
Detection, and membrane cisterna 13 the structure design can guarantee diaphragm non-destructive testing, further, detection is small with diaphragm amount, without system
Film forming original part can be tested, and in actual application, cross the design of water flow passage 19, can carry out the survey at high pollution water source
Examination, rectangular dot matrix can guarantee the smooth circulation at high pollution water source, and the runner gap between rectangular dot matrix is larger, can bear to have
There is the sewage entrance of certain granules object and runner will not be dirty stifled；Dot matrix protrusion can make liquid to be detected form vortex, be conducive to
The homogeneous of liquid water inlet is detected, is conducive to wash away film surface, is reduced dirty stifled.
As shown in figs. 4 and 7, it is additionally provided with seal groove 22 on the second bearing plate 21, it is recessed that seal groove 22 surround water flow passage 19
Slot 29 is arranged, and sealing ring 30, the first bearing plate 20 and the second bearing plate 21 are equipped in seal groove 22 by being located on four angles
Screw is connected and fixed, and fixation is reliable, can prevent the case where leaking in high pressure detection process.
Accumulator 5 is additionally provided between high-pressure pump 3 and membrane cisterna group 11；It is additionally provided between high-pressure pump 3 and membrane cisterna group 11 and standard liquid
The safety line that water tank 14 is connected to, safety line are equipped with return valve 4, add accumulator 5 and return valve 4, it is ensured that power source pressure
Power output is stablized persistently, while guaranteeing the safe and reliable of entire detection device.
Specific testing process is as follows, will test after diaphragm 23 is cut into suitable size and is put into membrane cisterna 13, rear fastening spiral shell
Silk is by the smooth latching of membrane cisterna 13；Concentration standard liquid is needed to be placed in standard liquid water tank 14 with taking；Elevator pump is opened, equipment is intake, to
Open high-pressure pump 3 after gas is completely exhausted out in membrane cisterna, adjust the needle valve at frequency converter and water outlet 26, make intake pressure and into
Water flow reaches setting value；Diaphragm water yield can be carried out after continuous flushing 30min, production water power is led, concentrated water amount, concentrated water conductance, temperature
The detection such as degree；After the completion of to be detected, high-pressure pump 3 is closed after first reducing the frequency of high-pressure pump 3, closes elevator pump 1, test is completed.
Embodiment 2:
Compared to embodiment 1, in example 2, the branch for accommodating water supporting plate 24 is additionally provided on the first bearing plate 20
Board slot 31 is additionally provided with the collecting channel 18 of M shape on branch board slot 31, produces 18 center of collecting channel that the mouth of a river 27 is located at M shape,
The setting enables to the first bearing plate 20, the second bearing plate 21, the fixation of water supporting plate 24 and detection diaphragm 23 excessively more firm
Gu it is reliable, and the design of collecting channel 18 of M shape can guarantee that filtering the collection for producing water further may be used also in maximum magnitude
A frame-type slot to be arranged outside M shape as the supplement of collecting channel 18.
Embodiment 3:
As shown in fig. 6, in the present embodiment, 3 membrane cisternas are equipped in membrane cisterna group 11,3 membrane cisternas 13 are by the way of in parallel
Connection, for the specific detection for only needing 13 parallel connection of membrane cisterna that detection can be completed, operate simpler convenience.
The detection process of specific implementation is as follows:
The performance of contrasting detection reverse osmosis membrane in parallel, successively label sea is light 1 for reverse osmosis membrane, sea is light 2, sea light 3, detection
Condition are as follows: the liquid to be detected in standard liquid water tank 14 is 3200ppmNaCl standard liquid, intake pressure 5.5MPa.It respectively will be extra large when detection
Light 1, sea light 2, extra large light 3 is put into No. 1 membrane cisterna, No. 2 membrane cisternas, No. 3 membrane cisternas, adjusts water outlet needle valve corresponding with membrane cisterna, makes No. 1 film
Pond, No. 2 membrane cisternas, No. 3 membrane cisterna discharge pressures be 5.5MPa and detect concentrated water regurgitant volume it is identical；Record triangle cup 1, triangle
Cup 2,3 empty bottle weight of triangle cup, and No. 1 membrane cisterna, No. 2 membrane cisternas, No. 3 membrane cisterna filtering production water, after 30min, measurement are picked up respectively
Triangle cup 1, triangle cup 2, the weight of triangle cup 3 and filtering produce water power and lead and record；Calculate triangle cup 1, triangle cup 2, triangle
Filtering produces water net weight in cup 3, can be counted according to filtering production water net weight, the effective area of the detection diaphragm of single membrane cisterna, testing time
Calculate diaphragm flux, can by produce water power is led, conductance of intaking calculates diaphragm salt rejection rate, according to diaphragm permeant flux and salt rejection rate
Carry out multilevel iudge diaphragm performance.
Embodiment 4:
As shown in figure 5, in the present embodiment, 3 membrane cisternas are equipped in membrane cisterna group 11,3 membrane cisternas 13 use concatenated mode
The specific detection of detection can be completed for only needing membrane cisterna 13 to connect in connection, and operate simpler convenience.
The detection process of specific implementation is as follows:
The performance of Series detectors reverse osmosis membrane, reverse osmosis membrane label sea light 4, testing conditions are as follows: in standard liquid water tank 14
Liquid to be detected be 3200ppmNaCl standard liquid, intake pressure 5.5MPa.Sea light 4 is respectively put into No. 4 membrane cisternas, No. 5 when detection
Membrane cisterna, No. 6 membrane cisternas adjust total water outlet needle valve, make membrane cisterna discharge pressure 5.5MPa；Record triangle cup 4, triangle cup 5, triangle
6 empty bottle weight of cup, and the filtering for picking up No. 4 membrane cisternas, No. 5 membrane cisternas, No. 6 membrane cisternas respectively produces water, after 30min, measures triangle cup
4, triangle cup 5, the weight of No. 6 triangle cups of triangle cup and filtering produce water power and lead and record；Calculate triangle cup 4, triangle cup 5, three
Filtering produces water net weight in No. 6 triangle cups of cup of angle, can produce water net weight, single membrane cisterna effective diaphragm area, testing time according to filtering
Calculate diaphragm flux, can water power be led, conductance of intake calculates the salt rejection rate of diaphragm by producing, can according to diaphragm permeant flux with
Whether salt rejection rate carrys out multilevel iudge diaphragm performance and tests wrong, and the average value after rejecting wrong data is more acurrate.
The above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of high-precision detection device for reverse osmosis membrane, which is characterized in that described for the high-precision of reverse osmosis membrane
Degree detection device includes: elevator pump (1), accurate filter (2), high-pressure pump (3), membrane cisterna group (11) and standard liquid water tank (14),
The standard liquid water tank (14), elevator pump (1), accurate filter (2), high-pressure pump (3) and membrane cisterna group (11) are sequentially communicated；
Equipped with membrane cisterna (13) that is several in parallel and/or being arranged in series in the membrane cisterna group (11), the membrane cisterna (13) includes first
Bearing plate (20), the second bearing plate (21) and the detection being arranged between the first bearing plate (20) and the second bearing plate (21)
Diaphragm (23), is additionally provided with water inlet (25) and water outlet (26) on second bearing plate (21), the water inlet (25) and goes out
Be additionally provided between the mouth of a river (26) water flow passage (19), first bearing plate (20) be equipped with produce the mouth of a river (27), liquid to be detected from
Water inlet (25) flows into, and filtering produces water and flows out from the mouth of a river (27) are produced, and detection concentrated water is flowed out from water outlet (26)；
The high-pressure pump (3) is connected to the water inlet (25), is additionally provided with frequency converter, the water outlet on the high-pressure pump (3)
(26) it is additionally provided with pressure regulator valve (8) at, liquid to be detected is adjusted from water inlet (25) by the frequency converter adjusting high-pressure pump (3)
Pressure is flowed into membrane cisterna group (11), the flow of the detection concentrated water of water outlet (26) outflow is adjusted by the pressure regulator valve (8)
And pressure.
2. a kind of high-precision detection device for reverse osmosis membrane as described in claim 1, which is characterized in that described to cross water
Runner (19) is the runner that several salient points (28) being evenly arranged are formed；The detection diaphragm (23) is arranged on salient point (28)
Portion is respectively provided with a groove (29), the water inlet (25) and the water outlet close to described cross at left and right sides of water flow passage (19)
(26) it is oppositely arranged in two grooves (29).
3. a kind of high-precision detection device for reverse osmosis membrane as claimed in claim 2, which is characterized in that described first
It was additionally provided with water supporting plate (24) between bearing plate (20) and the detection diaphragm (23), described cross water supporting plate (24) are equipped with several
Water lyriform pore is crossed, described cross water supporting plate (24) are used to detection diaphragm (23) being pressed on the salient point (28) being evenly arranged.
4. a kind of high-precision detection device for reverse osmosis membrane as claimed in claim 2, which is characterized in that described second
It being additionally provided on bearing plate (21) seal groove (22), the seal groove (22) crosses water flow passage (19) groove (29) setting around described,
Sealing ring (30) are equipped in the seal groove (22).
5. a kind of high-precision detection device for reverse osmosis membrane as claimed in claim 3, which is characterized in that described first
It is additionally provided with the branch board slot (31) for accommodating water supporting plate (24) on bearing plate (20), is additionally provided with a meter word on the branch board slot (31)
The collecting channel (18) of shape, described collecting channel (18) center for producing the mouth of a river (27) and being located at M shape.
6. a kind of high-precision detection device for reverse osmosis membrane as described in claim 1, which is characterized in that described first
Bearing plate (20) and the second bearing plate (21) are connected and fixed by the screw being located on four angles.
7. a kind of high-precision detection device for reverse osmosis membrane as described in claim 1, which is characterized in that the water inlet
Mouth (25) is equipped with admitting pipe joint (16), is additionally provided with titting water outlet (17) on water outlet (26), in the membrane cisterna group (11)
It is additionally provided with flowmeter (9) and pressure gauge (7).
8. a kind of high-precision detection device for reverse osmosis membrane as described in claim 1, which is characterized in that the water outlet
The detection concentrated water of mouth (26) flows back into standard liquid water tank (14) after pressure regulator valve (8).
9. a kind of high-precision detection device for reverse osmosis membrane as described in claim 1, which is characterized in that the high pressure
Accumulator (5) are additionally provided between pump (3) and membrane cisterna group (11).
10. a kind of high-precision detection device for reverse osmosis membrane as described in claim 1, which is characterized in that the height
The safety line being connected to standard liquid water tank (14) is additionally provided between press pump (3) and membrane cisterna group (11), the safety line is equipped with
Return valve (4).
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