CN203053824U - Test device for liquid osmotic pressure - Google Patents
Test device for liquid osmotic pressure Download PDFInfo
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- CN203053824U CN203053824U CN 201320060385 CN201320060385U CN203053824U CN 203053824 U CN203053824 U CN 203053824U CN 201320060385 CN201320060385 CN 201320060385 CN 201320060385 U CN201320060385 U CN 201320060385U CN 203053824 U CN203053824 U CN 203053824U
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Abstract
The utility model discloses a test device for liquid osmotic pressure. The test device comprises an osmotic part, a liquid feeding part, a sight glass part and a pressurizing part. Liquid to be tested is added into the osmotic part by the liquid feeding part; reference liquid is mixed with the liquid to be tested after membrane permeation, and then the mixed liquid enters the sight glass part; gas is conveyed by the pressurizing part; and after the liquid level is maintained on the sight glass part for a period of time, a pressure value is read to obtain an osmotic pressure value. The novel test device for liquid osmotic pressure can test osmotic pressure effectively and take the influence of concentration polarization into consideration simultaneously.
Description
Technical field
The utility model relates to a kind of device of test liquid osmotic pressure.
Background technology
At present, the effect that embrane method water technology play more and more in water treatment procedure is important, and recent years, forward osmosis membrane method water technology made it in multiple fields such as desalinization, bitter desalination, wastewater treatment, generating, medicine releases application prospect widely arranged because of advantages such as its low pressure, low energy consumption, low pollutions, and positive infiltration technology has obtained broad research and the attention of countries in the world.In positive process of osmosis, the osmotic pressure of solution is the power of process, and the size of osmotic pressure is determining the treatment effeciency of positive process of osmosis, so the selection aspect that the apparatus and method of osmotic pressure test are drawn liquid for positive process of osmosis has great importance.
Present existing osmotic pressure method of testing mainly is to weave into software by theory calculating to carry out, the real infiltration of its result of calculation and solution is pressed with certain deviation, therefore still need a kind of device for test liquid osmotic pressure, the osmotic pressure of test liquid accurately and effectively be provided in this area.
The utility model content
The purpose of this utility model is to provide a kind of device of test liquid osmotic pressure.
A kind of osmotic pressure proving installation that the utility model provides, described device comprises:
Osmotic cell, film is equipped with in described osmotic cell inside, and described film is divided into first chamber and second chamber with described osmotic cell inside;
Liquid feeding portion, testing liquid joins first chamber of described osmotic cell by described liquid feeding portion;
Visor portion, described visor portion are arranged on described osmotic cell upper end, and inside has first through hole, and the diameter of described first through hole is 1mm-5mm, and an end of described first through hole communicates with first chamber of described osmotic cell; With
Pressurization part, described pressurization part comprises pressure buffer chamber, tensimeter, gas delivery section, wherein, described pressure buffer chamber is arranged on described visor portion upper end, and the other end of described first through hole communicates with described pressure buffer chamber; Described gas delivery section communicates with described pressure buffer chamber, and it is indoor to be used for delivering the gas to described pressure buffer; Described tensimeter is connected on the described pressure buffer chamber, for detection of the pressure of the indoor gas of described pressure buffer.
In another preference, described osmotic cell comprises first housing and second housing that is oppositely arranged, and described film is arranged between described first housing and second housing, and osmotic cell is divided into first chamber and second chamber, wherein,
Described first housing middle part has opening, is provided with first seal element with the described second housing facing surfaces;
Described second housing comprises first crossbeam, second crossbeam and is connected the vertical muscle of first between described first crossbeam and second crossbeam; Have second through hole on described second housing, run through described first crossbeam, the first vertical muscle, second crossbeam, communicate with described first chamber and described first through hole; On described first crossbeam filling opening is set, described testing liquid joins described first chamber by described filling opening by described liquid feeding portion; Described first crossbeam is connected by first web member with described first housing, and described first crossbeam and the described first housing facing surfaces are provided with second seal element.
In another preference, described first crossbeam, the first vertical muscle, second crossbeam are integrated.
In another preference, described first housing, second housing are that stainless steel is made.
In another preference, described opening constitutes second chamber.
In another preference, be carved with groove on described first crossbeam and the described first housing facing surfaces, described groove constitutes described first chamber.
In another preference, described first crossbeam is that flange is connected with described first housing.
In another preference, described first web member is bolt.
In another preference, described osmotic cell also comprises supporting member, described supporting member be arranged on described film and described first housing and/or and second housing between.
In another preference, described support member is stainless steel mesh.
In another preference, described pressure buffer chamber comprises upper cover body and bedplate, the internal cavities that described upper cover body and bedplate form is used for charging into gas, described bedplate is arranged on described visor portion upper end, and described bedplate is provided with third through-hole, described third through-hole two ends communicate with described first through hole, described cavity respectively, and described bedplate is connected by second web member with described second crossbeam.
In another preference, described pressure buffer chamber is made by stainless steel.
In another preference, described upper cover body and described bedplate are integrated.
In another preference, described second web member is bolt.
In another preference, described visor portion is glass column, and described glass column inside has first through hole, and described glass column has following one or more feature:
(i) diameter of described glass column is 1cm-20cm;
(ii) the pressure-bearing scope of described glass column is the 100-200 atmospheric pressure;
(iii) has scale mark on the described glass column.
In another preference, described gas delivery section comprises:
Gas is contained the portion of carrying, and is used for containing gas carrier;
Air shooter comprises snorkel, and bleeder pipe, described snorkel are used for that gas is contained the portion of carrying by described gas to be delivered to described pressure buffer indoor, on the described snorkel threeway are set, and connect described bleeder pipe, are used for emitting the indoor gas of described pressure buffer.
In another preference, a ball valve is set on the described bleeder pipe; Set gradually a gas control valve, a ball valve on the described snorkel.
In another preference, the setting of bleeder pipe, draft tube, each valve also can be system pressure equilibrium is provided.
The open and close ball valve is used for ventilation or stops ventilation.
Gas control valve is used for regulating the flow that feeds gas.
In another preference, described liquid feeding portion comprises liquid-feeding tube, and described liquid-feeding tube communicates with first chamber of described osmotic cell, and on the described liquid-feeding tube valve is set.
In another preference, open valve during liquid feeding, testing liquid is joined in first chamber of osmotic cell, after finishing, liquid feeding tightens valve, to keep the sealing of system.
In another preference, described film is forward osmosis membrane.
Adopt the described device of first aspect to carry out the osmotic pressure test, may further comprise the steps:
(a) film is placed on described osmotic cell inside, the osmotic cell sealing is prevented leakage;
(b) testing liquid is joined first chamber of described osmotic cell by described liquid feeding portion;
(c) described osmotic cell is placed reference fluids, described reference fluids forms mixed solution by first chamber and the testing liquid that second chamber of described osmotic cell, described film enter into described osmotic cell, and enters in first through hole;
(d) reach the setting position of described first through hole when described mixed solution, carry gas by the gas delivery section to described pressure buffer chamber, make mixed solution maintain described settings;
(e) mixed solution maintains described setting position 0.5-2h, reads the force value on the described tensimeter, is the osmotic pressure of testing liquid with the osmotic pressure sum of described reference fluids.
In another preference, described gas is nitrogen, helium, argon gas or oxygen.
In another preference, described film is forward osmosis membrane, only allow a kind of molecule (solvent molecule) by and the equal impervious macromolecule membrane of other ion and molecule.
In another preference, described reference fluids is the corresponding solvent of test liquid.
In another preference, described reference fluids refers to that with respect to test liquid osmotic pressure is 0 liquid, as the benchmark of test liquid osmotic pressure test.
The utility model provides a kind of device of novel measurement liquid osmotic pressure, not only can measure the liquid of Hyposmolality (as≤1 atmospheric pressure), can also measure the have hyperosmosis liquid of (as 10-900 atmospheric pressure).Device of the present utility model has been considered the influence of the concentration polarization phenomenon of film in tracer liquid osmotic pressure, simple to operate, thus liquid level reach balance can be by directly reading manometric value or to osmotic pressure value after about half an hour.
In should be understood that in the utility model scope, above-mentioned each technical characterictic of the present utility model and can making up mutually between specifically described each technical characterictic in below (eg embodiment), thus constitute new or optimized technical scheme.As space is limited, this tired stating no longer one by one.
Description of drawings
Fig. 1 is the structural representation of proving installation of the present utility model.
Embodiment
The present inventor is through extensive and deep research, accident is developed a kind of device of test liquid osmotic pressure first, dependence test is carried out in the liquid motion that utilizes the expulsive force of the permeable pressure head generation between the solution and produce, can be directly by testing out the osmotic pressure of liquid on the tensimeter, method is simply accurate.On this basis, finished the utility model.
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only are used for explanation the utility model and are not used in the scope of the present utility model that limits.The experimental technique of unreceipted actual conditions in the following example is usually according to normal condition or the condition of advising according to manufacturer.Unless otherwise indicated, otherwise number percent and umber calculate by weight.
The osmotic pressure proving installation
As shown in Figure 1, osmotic pressure proving installation of the present utility model comprises:
Osmotic cell 1, film 2 is equipped with in described osmotic cell 1 inside, and described film 2 is divided into first chamber 3 and second chamber 4 with described osmotic cell 1 inside;
Liquid feeding portion 5, testing liquid joins first chamber 3 of described osmotic cell 1 by described liquid feeding portion 5;
Visor portion 6, described visor portion 6 is arranged on described osmotic cell 1 upper end, and inside has first through hole 7, and the diameter of described first through hole 7 is 1mm-5mm, and an end of described first through hole 7 communicates with first chamber 3 of described osmotic cell 1;
Pressurization part 8, described pressurization part 8 comprises pressure buffer chamber 9, tensimeter 10, gas delivery section 11, wherein, described pressure buffer chamber 9 is arranged on described visor portion 6 upper ends, and the other end of described first through hole 7 communicates with described pressure buffer chamber 9; Described gas delivery section 11 communicates with described pressure buffer chamber 9, is used for delivering the gas in the described pressure buffer chamber 9; Described tensimeter 10 is connected on the described pressure buffer chamber 9, for detection of the pressure of gas in the described pressure buffer chamber 9.
In a preference, described film 2 is the macromolecule membrane for water treatment.
In a preference, described film 2 is forward osmosis membrane.Just permeating and referring to that water flows to the process in low water chemistry gesture (or than hyperosmosis)-territory, lateral areas by selection permeability film from territory, higher water chemistry gesture (or than a Hyposmolality) lateral areas.The selection permeability film that is used for this process is forward osmosis membrane.Device of the present utility model has no particular limits forward osmosis membrane, use various forward osmosis membranes commercially available or prepared in laboratory all can, as commonly used cellulose diacetate forward osmosis membrane, Triafol T forward osmosis membrane or polyamide forward osmosis membrane etc.
In a preference, described osmotic cell 1 comprises first housing 12 and second housing 13 that is oppositely arranged, and described film 2 is arranged between described first housing 12 and second housing 13, and osmotic cell 1 is divided into first chamber 3 and second chamber 4, wherein,
Described first housing 12 middle parts have opening 14, are provided with first seal element 20 with described second housing, 13 facing surfaces on described first housing 12;
Described second housing 13 comprises first crossbeam 15, second crossbeam 16 and is connected the vertical muscle 17 of first between described first crossbeam 15 and second crossbeam 16; Have second through hole 18 on described second housing 13, run through described first crossbeam 15, the first vertical muscle 17, second crossbeam 16, communicate with described first chamber 3 and described first through hole 7; On described first crossbeam 15 filling opening 19 is set, described testing liquid joins described first chamber 3 by described filling opening 19 by described liquid feeding portion 5; Described first crossbeam 15 is connected by the first web member (not shown) with described first housing 12, and described first crossbeam 15 is provided with second seal element 21 with described first housing, 12 facing surfaces.
In another preference, described first crossbeam 15, the first vertical muscle 17, second crossbeam 16 are integrated.
In another preference, described first housing 12, second housing 13 are that stainless steel is made.
In another preference, described opening 14 constitutes second chamber 4.
In another preference, be carved with the groove (not shown) on described first crossbeam 15 and described first housing, 12 facing surfaces, described groove constitutes described first chamber 3.
In another preference, described first crossbeam 15 is connected for flange with described first housing 12.
In another preference, first seal element 20, second seal element 21 are O-ring seal.
In another preference, described first web member is bolt.
In another preference, described osmotic cell 1 also comprises supporting member 22, described supporting member be arranged on described film 2 and described first housing 12 and/or and second housing 13 between.
In another preference, described support member 22 is stainless steel mesh, is arranged between described film 2 and described first housing 12.
In another preference, described support member 22 is stainless steel mesh, is arranged between described film 2 and described first crossbeam 15.
In a preference, described visor portion 6 is glass column, and described glass column inside has first through hole 7, and described glass column has following one or more feature:
(i) diameter of described glass column is 1cm-20cm;
(ii) the pressure-bearing scope of described glass column is the 100-200 atmospheric pressure;
(iii) has scale mark on the described glass column.
In another preference, the diameter of described glass column is 2cm-10cm.
The glass column that is carved with scale by pressure-bearing is made visor portion, and inside has first through hole 7, can observe the moving situation of liquid, and the height of its liquid level can be used to monitor the size of solution osmotic pressure.
In a preference, described pressure buffer chamber 9 comprises upper cover body 23 and bedplate 24, the internal cavities 25 that described upper cover body 23 and bedplate 24 form is used for charging into gas, described bedplate 24 is arranged on described visor portion 6 upper ends, and described bedplate 24 is provided with third through-hole 26, described third through-hole 26 two ends communicate with described first through hole 7, described cavity 25 respectively, and described bedplate 24 is connected by the second web member (not shown) with described second crossbeam 16.
In another preference, described pressure buffer chamber 9 is made by stainless steel.
In another preference, described upper cover body 23 and described bedplate 24 are integrated.
In another preference, described second web member is bolt.
In a preference, described gas delivery section 11 comprises:
Gas is contained and is carried portion's (not shown), is used for containing gas carrier;
Air shooter comprises snorkel 28, bleeder pipe 29, described snorkel 28 is used for that gas is contained the portion of carrying by described gas and is delivered in the described pressure buffer chamber 9, on the described snorkel 28 threeway 30 is set, connects described bleeder pipe 29, be used for emitting the gas in the described pressure buffer chamber 9.
In another preference, described gas is nitrogen, helium, argon gas or oxygen.
In another preference, a ball valve 31 is set on the described bleeder pipe 29; Set gradually a gas control valve 32, a ball valve 33 on the described snorkel 28.
Open and close ball valve 31,33 is used for ventilation or stops ventilation.
The setting of bleeder pipe 29, draft tube 28, each valve can be system provides pressure equilibrium.Control the level control (LC) in first through hole on certain altitude by the pressure of gas, liquid level reaches balance during by each valve regulated gas flow, thereby records the osmotic pressure of solution.
In a preference, described liquid feeding portion 5 comprises liquid-feeding tube 34, and described liquid-feeding tube 34 communicates with first chamber 3 of described osmotic cell 1, and a valve 35 is set on the described liquid-feeding tube 34.
Adopt above-described device to carry out the osmotic pressure test, may further comprise the steps:
(a) film 2 is placed on described osmotic cell 1 inside, osmotic cell 1 sealing is prevented leakage;
(b) testing liquid is joined first chamber 3 of described osmotic cell 1 by described liquid feeding portion 5;
(c) described osmotic cell 1 is placed reference fluids, described reference fluids enters into first chamber 3 and testing liquid formation mixed solution of described osmotic cell 1 by second chamber 4, the described film 2 of described osmotic cell 1, and enters in first through hole 7;
(d) reach the setting position of described first through hole 7 when described mixed solution, carry gases by gas delivery section 11 to described pressure buffer chamber 9, make mixed solution maintain described settings;
(e) mixed solution maintains described setting position 0.5-2h, reads the force value on the described tensimeter 10, and the osmotic pressure sum of this force value and described reference fluids is the osmotic pressure of testing liquid.
In another preference, described gas is nitrogen, helium, argon gas or oxygen.
In another preference, described film 2 is forward osmosis membrane, only allow a kind of molecule (solvent molecule) by and the equal impervious macromolecule membrane of other ion and molecule.
In another preference, described reference fluids is the corresponding solvent of testing liquid, as water.
In another preference, described reference fluids refers to that with respect to testing liquid osmotic pressure is 0 liquid, as the benchmark of test liquid osmotic pressure test.
In another preference, the described position of setting is to measure the position that the preceding expectation liquid level of being set in visor portion by the tester reaches, the medium position of first through hole 7 as described.
In another preference, when adopting device of the present utility model to detect osmotic pressure, film 2 is placed osmotic cell 1 inside, support member 22 is in the upper and lower surface of film, between described first crossbeam 15 of described film 2 and described first housing 12, film and second housing 13, adopt first web member to connect first crossbeam 15 and first housing 12, under the effect of first seal element, 20 second seal elements 21, make first chamber 3 form sealed space.Open the valve 35 of liquid feeding portion 5, testing liquid is injected into first chamber 3 of osmotic cell 1, on the described film 2.Valve-off 35 after liquid feeding finishes is to keep the sealing of osmotic cell 1.After will installing good seal osmotic cell 1 is positioned in the container that fills reference fluids (as deionized water), because the osmotic pressure of film 2 both sides need not, reference fluids enters into second chamber 4, sees through film 2 and enter into first chamber 3 and mix with testing liquid through the opening 14 of first housing 12, enters into first through hole 7 of visor portion 6 again by second through hole 18.When liquid level reaches the setting position (as the middle part of first through hole 7) of first through hole 7, ball valve 33 on the snorkel 28 of slow unlatching gas delivery section 11, deliver the gas to pressure buffer chamber 9, and enter first through hole 7 to liquid level by third through-hole 26, regulate the gas control valve 32 on the snorkel 28 simultaneously, liquid level is maintained set the position, read the force value of tensimeter 10 behind the 30min, the osmotic pressure addition of this force value and described reference fluids is namely obtained the osmotic pressure of testing liquid.
In one used, adopting deionized water was with reference to liquid, test 35000mg.L
-1The osmotic pressure of NaCl solution.Adopt the cellulose diacetate permeable membrane to be the test film, be fixed in fixing seal in the osmotic cell, add 10ml solution to be measured to first chamber by liquid feeding portion, to install good seal, be positioned in the horizontal vessel that fills deionized water, after a period of time, liquid level rises in the visor portion, when liquid level rises to the first through hole medium position, slowly opens the gas delivery section and pressurizes, keep the liquid level in first through hole to maintain the sustained height place simultaneously, be added to a certain value back liquid level until pressure and reach balance, this moment, the tensimeter registration was 2.7MPa, because the osmotic pressure of deionized water is 0, so the osmotic pressure of solution to be measured is 2.7MPa.
Check in 35000mg.L in the document
-1The calculating osmotic pressure of NaCl solution at 2.8MPa, fractional error and part personal error that the error that the concentration polarization that 3.6% source of error produces in process of osmosis in permeable membrane causes and proving installation itself exists, its error is in tolerance interval.
In Another Application, adopting deionized water is with reference to liquid, test 1000mg.L
-1The osmotic pressure of sucrose solution.Adopt the polyamide permeable permeable membrane to be the test film, be fixed in fixing seal in the osmotic cell, add 10ml solution to be measured on it, to install good seal, be positioned in the horizontal vessel that fills deionized water, after a period of time, liquid level rises in the visor portion, when liquid level rises to the first through hole medium position, slowly opens the gas delivery section and pressurizes, keep the liquid level in first through hole to maintain the sustained height place simultaneously, be added to a certain value back liquid level until pressure and reach balance, this moment, the tensimeter registration was 0.0029MPa, because the osmotic pressure of deionized water is 0, so the osmotic pressure of solution to be measured is 0.0029MPa.
Check in 35000mg.L in the document
-1The calculating osmotic pressure of NaCl solution at 0.00292MPa, fractional error and part personal error that the error that the concentration polarization that source of error produces in process of osmosis in permeable membrane causes and proving installation itself exists, its error is in tolerance interval.
Unless otherwise defined, employed all specialties are identical with the meaning that scientific words and one skilled in the art are familiar with in the literary composition.In addition, any method similar or impartial to described content and material all can be applicable in the utility model method.The usefulness that preferable implementation method described in the literary composition and material only present a demonstration.
Usefulness of the present utility model is:
(1) provides a kind of device of novel measurement liquid osmotic pressure.
(2) device of the present utility model not only can be measured the liquid of Hyposmolality (as≤1 atmospheric pressure), can also measure the have hyperosmosis liquid of (as 10-900 atmospheric pressure).
(3) device of the present utility model has been considered the influence of the concentration polarization phenomenon of film in tracer liquid osmotic pressure.
(4) device of the present utility model is simple to operate, thus liquid level reach balance can be by directly reading manometric value or to osmotic pressure value after about half an hour.
All quote in this application as a reference at all documents that the utility model is mentioned, just quoted as a reference separately as each piece document.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after having read above-mentioned instruction content of the present utility model, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Claims (10)
1. an osmotic pressure proving installation is characterized in that, described device comprises:
Osmotic cell, film is equipped with in described osmotic cell inside, and described film is divided into first chamber and second chamber with described osmotic cell inside;
Liquid feeding portion, testing liquid joins first chamber of described osmotic cell by described liquid feeding portion;
Visor portion, described visor portion are arranged on described osmotic cell upper end, and inside has first through hole, and the diameter of described first through hole is 1mm-5mm, and an end of described first through hole communicates with first chamber of described osmotic cell; With
Pressurization part, described pressurization part comprises pressure buffer chamber, tensimeter, gas delivery section, wherein, described pressure buffer chamber is arranged on described visor portion upper end, and the other end of described first through hole communicates with described pressure buffer chamber; Described gas delivery section communicates with described pressure buffer chamber, and it is indoor to be used for delivering the gas to described pressure buffer; Described tensimeter is connected on the described pressure buffer chamber, for detection of the pressure of the indoor gas of described pressure buffer.
2. device as claimed in claim 1 is characterized in that, described osmotic cell comprises first housing and second housing that is oppositely arranged, and described film is arranged between described first housing and second housing, and osmotic cell is divided into first chamber and second chamber, wherein,
Described first housing middle part has opening, is provided with first seal element with the described second housing facing surfaces;
Described second housing comprises first crossbeam, second crossbeam and is connected the vertical muscle of first between described first crossbeam and second crossbeam; Have second through hole on described second housing, run through described first crossbeam, the first vertical muscle, second crossbeam, communicate with described first chamber and described first through hole; On described first crossbeam filling opening is set, described testing liquid joins described first chamber by described filling opening by described liquid feeding portion; Described first crossbeam is connected by first web member with described first housing, and described first crossbeam and the described first housing facing surfaces are provided with second seal element.
3. device as claimed in claim 2 is characterized in that, described osmotic cell also comprises supporting member, described supporting member be arranged on described film and described first housing and/or and second housing between.
4. device as claimed in claim 2, it is characterized in that, described pressure buffer chamber comprises upper cover body and bedplate, the internal cavities that described upper cover body and bedplate form is used for charging into gas, described bedplate is arranged on described visor portion upper end, and described bedplate is provided with third through-hole, and described third through-hole two ends communicate with described first through hole, described cavity respectively, and described bedplate is connected by second web member with described second crossbeam.
5. device as claimed in claim 2 is characterized in that, described first web member is bolt.
6. device as claimed in claim 1 is characterized in that, described visor portion is glass column, and described glass column inside has first through hole, and described glass column has following one or more feature:
(i) diameter of described glass column is 1cm-20cm;
(ii) the pressure-bearing scope of described glass column is the 100-200 atmospheric pressure;
(iii) has scale mark on the described glass column.
7. device as claimed in claim 1 is characterized in that, described gas delivery section comprises:
Gas is contained the portion of carrying, and is used for containing gas carrier;
Air shooter comprises snorkel, and bleeder pipe, described snorkel are used for that gas is contained the portion of carrying by described gas to be delivered to described pressure buffer indoor, on the described snorkel threeway are set, and connect described bleeder pipe, are used for emitting the indoor gas of described pressure buffer.
8. device as claimed in claim 7 is characterized in that, a ball valve is set on the described bleeder pipe; Set gradually a gas control valve, a ball valve on the described snorkel.
9. device as claimed in claim 1 is characterized in that, described liquid feeding portion comprises liquid-feeding tube, and described liquid-feeding tube communicates with first chamber of described osmotic cell, and on the described liquid-feeding tube valve is set.
10. device as claimed in claim 1 is characterized in that, described film is forward osmosis membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320060385 CN203053824U (en) | 2013-01-30 | 2013-01-30 | Test device for liquid osmotic pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320060385 CN203053824U (en) | 2013-01-30 | 2013-01-30 | Test device for liquid osmotic pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203053824U true CN203053824U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320060385 Expired - Fee Related CN203053824U (en) | 2013-01-30 | 2013-01-30 | Test device for liquid osmotic pressure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884629A (en) * | 2013-01-30 | 2014-06-25 | 中国科学院宁波材料技术与工程研究所 | Device and method for testing liquid osmotic pressure |
-
2013
- 2013-01-30 CN CN 201320060385 patent/CN203053824U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884629A (en) * | 2013-01-30 | 2014-06-25 | 中国科学院宁波材料技术与工程研究所 | Device and method for testing liquid osmotic pressure |
| CN103884629B (en) * | 2013-01-30 | 2016-08-03 | 中国科学院宁波材料技术与工程研究所 | A kind of test apparatus and method for liquid infiltration pressure |
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