CN105833750B - A kind of device of the quantitative dissolved gas of closed type and its application - Google Patents
A kind of device of the quantitative dissolved gas of closed type and its application Download PDFInfo
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- CN105833750B CN105833750B CN201610157154.0A CN201610157154A CN105833750B CN 105833750 B CN105833750 B CN 105833750B CN 201610157154 A CN201610157154 A CN 201610157154A CN 105833750 B CN105833750 B CN 105833750B
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- air chamber
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/10—Dissolving using driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/83—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/92—Heating or cooling systems for heating the outside of the receptacle, e.g. heated jackets or burners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/99—Heating
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Accessories For Mixers (AREA)
Abstract
The present invention relates to a kind of device of the quantitative dissolved gas of closed type and its application, device to include：Apparatus main body：Including liquid quantitative component and gas dosing assemblies, liquid quantitative component includes the water tank with water tank scale, closure is installed in water tank upper seal, gasometry component includes the air chamber with air chamber scale, Open Side Down pours into water tank for air chamber, and be flexibly connected with seal cap sealing, plenum roof is provided with bleeding point and air inlet；Heated at constant temperature component：Include the temp probe of fluid temperature change in heating mantle and monitoring water tank, heating mantle is connected with temp probe with heating controller；Mixing component：It is arranged on water tank bottom, and face air chamber opening；Said apparatus can be used for configuration quantitative gas solution or gas-saturated solutions.Compared with prior art, the present invention can ensure gasometry dissolving and course of dissolution is closed reduces environmental pollution, and device slotted eye is simple, easily removable and washable, easy replacing, and gas dissolving relevant parameter is controllable etc..
Description
Technical field
The present invention relates to a kind of device of dissolved gas and its application, more particularly, to a kind of quantitative dissolved gas of closed type
Device and its application.
Background technology
With the expansion of the consumption markets such as China Chemical Industry product, agricultural chemicals, and domestic pesticide industry, pharmacy and chemical industry
Quickly, flourish, substantial amounts of novel pesticide, medicine and chemicals are introduced into or developed both at home and abroad, including substantial amounts of
Gas species.According to regulation, these novel substances have to do physical and chemical parameter and related environment aquatile before launch
Toxicity assessment determines, and will necessarily be run into during correlation test gas sample being dissolved into water or the requirement of other solvents,
As Chinese patent ZL201280039287.8 discloses a kind of gas dissolution apparatus, gas-liquid mixed groove, medial launder and gas-liquid separation
Groove is divided in the inside of dissolving tank and formed by the first partition wall and the second partition wall, relative to the flowing of liquid, gas-liquid mixed
Groove, medial launder and gas-liquid separating tank configure successively from upstream side to downstream, in dissolving tank, divide medial launder and gas-liquid separation
The second partition wall and the outflow portion of groove are arranged so that liquid flows in gas-liquid separation groove in the horizontal direction.But as described above
Gas dissolution apparatus, and the function that gas is quantitatively dissolved in coordinative solvent in confined conditions can not be realized.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of closed type is quantitative molten
Solve device and its application of gas.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of device of the quantitative dissolved gas of closed type, including：
Apparatus main body：Including liquid quantitative component and gas dosing assemblies, described liquid quantitative component includes band water tank
The water tank of scale, closure being installed in water tank upper seal, described gasometry component includes the air chamber with air chamber scale,
Open Side Down pours into water tank for the air chamber, and is flexibly connected with seal cap sealing, described plenum roof be provided with bleeding point and
Air inlet；
Heated at constant temperature component：Include the temp probe of fluid temperature change in heating mantle and monitoring water tank, described heating
Set is connected with temp probe with heating controller；
Mixing component：It is arranged on water tank bottom, and face air chamber opening.
Described mixing component includes being arranged on the stirring rod of water tank bottom, and limit is additionally provided with around stirring rod in water tank bottom
Position net ring.Mixing component can select magnetic agitation component etc., and spacing net ring is arranged on stirring rod and causes whirlpool in air chamber liquid level
Afterwards, liquid stream can be caused to flow downward, and then accelerates course of dissolution.
It is also equipped with being used to make air chamber and the relatively-stationary locating ring lock of water tank outside described air chamber.Locked and fixed by locating ring
Air chamber is in target volume location, so as to control the volume of the gas to be dissolved poured into air chamber.
Being additionally provided with described closure makes water tank and the outside respiratory siphon connected.Respiratory siphon is used to ensure tank top
Air exchanges with outside, and then ensures the air pressure of the ullage in water tank.
The observation panel for being easy to observe water tank scale is additionally provided with described heating mantle.Observation panel can be to be arranged on heating mantle
On be used for observe the vertical slits of water tank scale, or the heating mantle in this side of water tank scale uses transparent material system
Make.
It is tightly connected between described closure and water tank by seal washer；
Described closure is provided with the air supply chamber through hole that passes through and move up and down, be additionally provided with through hole make air chamber with it is close
The sealing ring of lidstock contact.
The device of the quantitative dissolved gas of closed type is used to configure quantitative gas solution or gas-saturated solutions.
When configuring quantitative gas solution, comprise the following steps：
(a) volume of liquid and gas to be dissolved as needed, into water tank, importing liquid is to predetermined graduated, then by air chamber
Predetermined air chamber scale is moved to water tank level to maintain an equal level；
(b) air inlet is closed, opening bleeding point is pumped to liquid and is full of air chamber, closes bleeding point, opens air inlet and be passed through
Gas to be dissolved, until air chamber liquid level maintains an equal level with water tank level；
(c) air inlet is closed, starts mixing component, adjusting liquid level in mixing speed to air chamber has whirlpool generation, and adjusts
Heating mantle starts to dissolve to heating-up temperature, gas to be dissolved is set；
(d) when dissolving, air chamber is adjusted, makes liquid level and water tank level in air chamber keep maintaining an equal level, until liquid level is no longer in air chamber
Change, that is, obtain quantitative gas solution.
When configuring gas-saturated solutions, comprise the following steps：
(A) volume of liquid as needed and gas to be dissolved, liquid is imported into water tank to predetermined graduated, air chamber is stretched
Enter in water tank level；
(B) air inlet is closed, opening bleeding point is pumped to liquid and is full of air chamber, closes bleeding point, opens air inlet and be passed through
Gas to be dissolved, until air chamber liquid level is less than water tank level；
(C) air inlet is closed, starts mixing component, adjusting liquid level in mixing speed to air chamber has whirlpool generation, and adjusts
Heating mantle starts to dissolve to heating-up temperature, gas to be dissolved is set；
(D) dissolve when, to air chamber tonifying Qi, liquid level in air chamber is consistently lower than water tank level, until air chamber in liquid level no longer
Change, that is, obtain gas-saturated solutions.
Air chamber stretches into the depth satisfaction of water tank level in step (A)：When air chamber is evacuated in step (B), water tank level is not
Less than air chamber lower surface；
In gas dissolving process to be dissolved, the intake of the gas to be dissolved in air chamber meets：Air chamber liquid level is less than water tank
0.1~0.5cm of liquid level.In order to prevent the waste of gas to be dissolved, in step (A), air chamber can deeper stretch into water tank as far as possible
Under liquid level.
The present invention is directed to the quantitative dissolving of gas species, and gas and liquid are controlled by gas and liquid quantitative component
Addition, realize the solution for the gas species for preparing setting concentration；Escaped by the closed gas that reduces of experimental rig, avoid dirt
Dye；Keep constant by temperature control system Control experiment temperature, it is ensured that ± 1 DEG C in design temperature of temperature；Pass through magnetic force
Stirring and spacing net ring, stirring intensity is can adjust, gas is fully dissolved.
Compared with prior art, the present invention has advantages below：
(1) setting of the gasometry component and liquid quantitative component in the present invention, can strictly control gas and liquid
Addition, so as to directly configure the unsaturated solution in the range of finite concentration or finite concentration.
(2) for saturated solution, the solubility range that can be prepared is wider, the gas big to solubility, can be by repeatedly mending
The mode of gas prepares saturated solution.
(3) by using spacing net ring, during solution allocation, when the current of stirring rotation pass through spacing net ring,
Liquid stream can be caused downward, so as to add the contact area of gas and liquid, accelerate course of dissolution.
(4) package unit uses the sealing of sealed set, particularly gasometry component, can effectively take precautions against poison gas
Body and pollution and injury caused by corrosive gas effusion.
(5) device also sets up heated at constant temperature component and mixing component, can reach the constant temperature of testing standard requirement well
Scale is accurate, while stirring intensity can automatically adjust.
(6) gas chemicals, agricultural chemicals and medicine intermediate can be formulated directly into setting by the present invention in confined conditions
The solution or saturated solution of concentration.Equipment manipulation is simple, and automaticity is high, and device is easily removable and washable, easy replacing, tests relevant parameter
Realize controllable, the experimental rig can ensure gasometry dissolving and course of dissolution is closed reduces environmental pollution, and can be applied to
The dissolving of the gas of various properties, strong support is provided for follow-up test expansion.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
In figure, 1- liquid quantitative components, 11- water tanks, 12- water tank scales, 13- tap holes, the spacing net rings of 14-, 2- sealings
Lid, 21- seal washers, 22- sealing rings, 23- inlets, 24- respiratory siphons, 3- gasometry components, 31- air chambers, 32- air chambers are carved
Degree, 33- locating rings lock, 34- air inlets, 35- bleeding points, 4- heated at constant temperature components, 41- temp probes, 42- heating mantles, 5- are stirred
Mix component, 51- stirring rod.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
The material that is used in following embodiments, component, connecting tube etc. are all steady using corrosion resistant, antiacid alkali, low absorption, character
Fixed environmentally benign chemistry experiment steel, glass ceramics or high-molecular organic material.
Embodiment 1
A kind of device of the quantitative dissolved gas of closed type, its structure as shown in figure 1, including：
Apparatus main body：Including liquid quantitative component 1 and gas dosing assemblies 3, liquid quantitative component 1 includes open-topped
Water tank 11 with water tank scale 12, closure 2 is sealed and installed with by seal washer 21 above water tank 11, gone back on closure 2
Inlet 23 provided with water tank 11 is made with the outside respiratory siphon 24 connected and for importing liquid, the bottom of water tank 11 is additionally provided with tapping
Mouthfuls 13, gasometry component 3 includes the air chamber 31 with air chamber scale 32, and Open Side Down pours into water tank 11 for the air chamber 31, and
It is connected with the air-tight movable of closure 2, closure 2 is provided with the through hole that air supply chamber 31 is passed through and moved up and down, and is also set in through hole
Having makes air chamber 31 and the sealing ring 22 in sealing contact of closure 2, is also equipped with being used to make air chamber 31 and water tank 11 relative outside air chamber 31
Fixed locating ring lock 33, the top of air chamber 31 are provided with bleeding point 35 and air inlet 34.
Heated at constant temperature component 4：Include the temp probe 41 of fluid temperature change in heating mantle 42 and monitoring water tank 11, heating
Set 42 is connected with temp probe 41 with heating controller, and the observation for being easy to observe water tank scale 12 is additionally provided with heating mantle 42
Mouthful.Observation panel can be the vertical slits for being used to observe water tank scale 12 being arranged in heating mantle 42, or be carved in water tank
The heating mantle 42 for spending 12 this side is made using transparent material.
Mixing component 5：The bottom of water tank 11 is arranged on, and face air chamber 31 is open, mixing component 5 includes being arranged on water tank 11
The stirring rod 51 of bottom, spacing net ring 14 is additionally provided with around stirring rod 51 in the bottom of water tank 11.Mixing component 5 can select magnetic force
Mixing component 5 etc., spacing net ring 14 are arranged on stirring rod 51 after the liquid level of air chamber 31 causes whirlpool, can cause liquid stream to flow down
It is dynamic, and then accelerate course of dissolution.
The device of the quantitative dissolved gas of above-mentioned closed type can be used for configuring quantitative gas solution or gas-saturated solutions.
When configuring quantitative gas solution, comprise the following steps：
(a) volume of liquid and gas to be dissolved as needed, into water tank 11, importing liquid is to predetermined graduated, then by gas
Room 31 is moved to predetermined air chamber scale 32 and maintained an equal level with the liquid level of water tank 11；
(b) close air inlet 34, open bleeding point 35 and be pumped to liquid and be full of air chamber 31, closing bleeding point 35, open into
Gas port 34 is passed through gas to be dissolved, until the liquid level of air chamber 31 maintains an equal level with the liquid level of water tank 11；
(c) air inlet 34 is closed, starts mixing component 5, adjusting liquid level in mixing speed to air chamber 31 has whirlpool generation, and
Heating mantle 42 to setting heating-up temperature, gas to be dissolved is adjusted to start to dissolve；
(d) when dissolving, air chamber 31 is adjusted, makes liquid level in air chamber 31 keep maintaining an equal level with the liquid level of water tank 11, until in air chamber 31
Liquid level no longer changes, that is, obtains quantitative gas solution.
When configuring gas-saturated solutions, comprise the following steps：
(A) volume of liquid as needed and gas to be dissolved, liquid is imported into water tank 11 to predetermined graduated, by air chamber
31 stretch into the liquid level of water tank 11；
(B) close air inlet 34, open bleeding point 35 and be pumped to liquid and be full of air chamber 31, closing bleeding point 35, open into
Gas port 34 is passed through gas to be dissolved, until the liquid level of air chamber 31 is less than the liquid level of water tank 11；
(C) air inlet 34 is closed, starts mixing component 5, adjusting liquid level in mixing speed to air chamber 31 has whirlpool generation, and
Heating mantle 42 to setting heating-up temperature, gas to be dissolved is adjusted to start to dissolve；
(D) when dissolving, to the tonifying Qi of air chamber 31, liquid level in air chamber 31 is made to be consistently lower than the liquid level of water tank 11, until in air chamber 31
Liquid level no longer changes, that is, obtains gas-saturated solutions.
In the method for configuring gas-saturated solutions：The depth that step (A) air chamber 31 stretches into the liquid level of water tank 11 meets：Work as step
(B) when air chamber 31 is evacuated in, the liquid level of water tank 11 is not less than the lower surface of air chamber 31；
In gas dissolving process to be dissolved, the intake of the gas to be dissolved in air chamber 31 meets：The liquid level of air chamber 31 is less than
0.1~the 0.5cm of liquid level of water tank 11.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using invention.
Person skilled in the art obviously can easily make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without by performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability
Field technique personnel do not depart from improvement that scope made and modification all should be the present invention's according to the announcement of the present invention
Within protection domain.
Claims (10)
- A kind of 1. device of the quantitative dissolved gas of closed type, it is characterised in that including：Apparatus main body：Including liquid quantitative component (1) and gas dosing assemblies (3), described liquid quantitative component (1) includes band The water tank (11) of water tank scale (12), closure (2), described gasometry component are installed in water tank (11) upper seal (3) air chamber (31) with air chamber scale (32) is included, Open Side Down pours into water tank (11) for the air chamber (31), and and closure (2) air-tight movable is connected, and bleeding point (35) and air inlet (34) are provided with the top of described air chamber (31)；Heated at constant temperature component (4)：Temp probe (41) including heating mantle (42) and the interior fluid temperature change of monitoring water tank (11), Described heating mantle (42) is connected with temp probe (41) with heating controller；Mixing component (5)：Water tank (11) bottom is arranged on, and face air chamber (31) is open.
- A kind of 2. device of the quantitative dissolved gas of closed type according to claim 1, it is characterised in that described stirring group Part (5) includes being arranged on the stirring rod (51) of water tank (11) bottom, and limit is additionally provided with around stirring rod (51) in water tank (11) bottom Position net ring (14).
- A kind of 3. device of the quantitative dissolved gas of closed type according to claim 1, it is characterised in that described air chamber (31) it is also equipped with being used to make air chamber (31) and the relatively-stationary locating ring lock (33) of water tank (11) outside.
- A kind of 4. device of the quantitative dissolved gas of closed type according to claim 1, it is characterised in that described closure (2) being additionally provided with makes water tank (11) and the outside respiratory siphon (24) connected.
- A kind of 5. device of the quantitative dissolved gas of closed type according to claim 1, it is characterised in that described heating mantle (42) observation panel for being easy to observe water tank scale (12) is additionally provided with.
- A kind of 6. device of the quantitative dissolved gas of closed type according to claim 1, it is characterised in that described closure (2) it is tightly connected between water tank (11) by seal washer (21)；Described closure (2) is provided with the through hole that air supply chamber (31) is passed through and moved up and down, and being additionally provided with through hole makes air chamber (31) with closure (2) sealing ring (22) in sealing contact.
- 7. the device of the quantitative dissolved gas of closed type as described in claim 1~6 is any be used to configuring quantitative gas solution or Gas-saturated solutions.
- 8. the application of the device of the quantitative dissolved gas of a kind of closed type according to claim 7, it is characterised in that configuration is fixed When measuring gas solution, comprise the following steps：(a) volume of liquid and gas to be dissolved as needed, liquid is imported into water tank (11) to predetermined graduated, then by air chamber (31) predetermined air chamber scale (32) position is moved to water tank (11) liquid level to maintain an equal level；(b) air inlet (34) is closed, opening bleeding point (35) is pumped to liquid and is full of air chamber (31), closes bleeding point (35), beat Drive gas port (34) into and be passed through gas to be dissolved, until air chamber (31) liquid level maintains an equal level with water tank (11) liquid level；(c) air inlet (34) to be closed, starts mixing component (5), regulation mixing speed to air chamber (31) interior liquid level has whirlpool generation, And adjust heating mantle (42) to setting heating-up temperature, gas to be dissolved and start to dissolve；(d) when dissolving, air chamber (31) is adjusted, makes air chamber (31) interior liquid level keep maintaining an equal level with water tank (11) liquid level, until air chamber (31) interior liquid level no longer changes, that is, obtains quantitative gas solution.
- A kind of 9. application of the device of the quantitative dissolved gas of closed type according to claim 7, it is characterised in that configuration gas During body saturated solution, comprise the following steps：(A) volume of liquid as needed and gas to be dissolved, liquid is imported into water tank (11) to predetermined graduated, by air chamber (31) stretch into water tank (11) liquid level；(B) air inlet (34) is closed, opening bleeding point (35) is pumped to liquid and is full of air chamber (31), closes bleeding point (35), beat Drive gas port (34) into and be passed through gas to be dissolved, until air chamber (31) liquid level is less than water tank (11) liquid level；(C) air inlet (34) to be closed, starts mixing component (5), regulation mixing speed to air chamber (31) interior liquid level has whirlpool generation, And adjust heating mantle (42) to setting heating-up temperature, gas to be dissolved and start to dissolve；(D) when dissolving, to air chamber (31) tonifying Qi, air chamber (31) interior liquid level is made to be consistently lower than water tank (11) liquid level, until air chamber (31) interior liquid level no longer changes, that is, obtains gas-saturated solutions.
- A kind of 10. application of the device of the quantitative dissolved gas of closed type according to claim 9, it is characterised in that step (A) air chamber (31) stretches into the depth satisfaction of water tank (11) liquid level in：When air chamber (31) is evacuated in step (B), water tank (11) liquid Face is not less than air chamber (31) lower surface；In gas dissolving process to be dissolved, the intake of the gas to be dissolved in air chamber (31) meets：Air chamber (31) liquid level is less than Water tank (11) 0.1~0.5cm of liquid level.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157154.0A CN105833750B (en) | 2016-03-18 | 2016-03-18 | A kind of device of the quantitative dissolved gas of closed type and its application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157154.0A CN105833750B (en) | 2016-03-18 | 2016-03-18 | A kind of device of the quantitative dissolved gas of closed type and its application |
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| CN105833750A CN105833750A (en) | 2016-08-10 |
| CN105833750B true CN105833750B (en) | 2018-02-09 |
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| WO2001086284A2 (en) * | 2000-05-10 | 2001-11-15 | Braesel Eckhard | Method and device for the monitoring of gases |
| CN200959003Y (en) * | 2006-10-19 | 2007-10-10 | 上海化工研究院 | Inflammable air determiner |
| CN101439273A (en) * | 2008-12-11 | 2009-05-27 | 上海化工研究院 | Dissolving/mixing device and method for realizing dissolution and mixing using the device |
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| CN203216814U (en) * | 2013-04-09 | 2013-09-25 | 北京科技大学 | Device for determining equilibrium solubility of acidic gas in alkaline absorption liquid |
| CN103528909A (en) * | 2013-10-11 | 2014-01-22 | 南京大学昆山创新研究院 | Determination apparatus for gas solubility and usage method |
| CN103644950A (en) * | 2013-11-15 | 2014-03-19 | 浙江大学 | Waterpower quantitative air-entrapping device in fluid experiment |
| CN104181077A (en) * | 2013-05-27 | 2014-12-03 | 湖北文理学院 | Measuring instrument for content of dissolved gas in low pressure liquid |
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2016
- 2016-03-18 CN CN201610157154.0A patent/CN105833750B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001086284A2 (en) * | 2000-05-10 | 2001-11-15 | Braesel Eckhard | Method and device for the monitoring of gases |
| CN200959003Y (en) * | 2006-10-19 | 2007-10-10 | 上海化工研究院 | Inflammable air determiner |
| CN101439273A (en) * | 2008-12-11 | 2009-05-27 | 上海化工研究院 | Dissolving/mixing device and method for realizing dissolution and mixing using the device |
| CN103064437A (en) * | 2012-12-31 | 2013-04-24 | 广东电网公司电力科学研究院 | Device and method for controlling dissolved oxygen in reaction container |
| CN203216814U (en) * | 2013-04-09 | 2013-09-25 | 北京科技大学 | Device for determining equilibrium solubility of acidic gas in alkaline absorption liquid |
| CN104181077A (en) * | 2013-05-27 | 2014-12-03 | 湖北文理学院 | Measuring instrument for content of dissolved gas in low pressure liquid |
| CN103528909A (en) * | 2013-10-11 | 2014-01-22 | 南京大学昆山创新研究院 | Determination apparatus for gas solubility and usage method |
| CN103644950A (en) * | 2013-11-15 | 2014-03-19 | 浙江大学 | Waterpower quantitative air-entrapping device in fluid experiment |
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|---|---|
| CN105833750A (en) | 2016-08-10 |
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Address after: 200062 Shanghai city Putuo District Yunling Road No. 345 Applicant after: Shanghai Chemical Research Institute Co., Ltd. Applicant after: Shanghai Tianke Chemical Detection Co., Ltd. Address before: 200062 Shanghai city Putuo District Yunling Road No. 345 Applicant before: Shanghai Research Institute of Chemical Industry Applicant before: Shanghai Tianke Chemical Detection Co., Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200062 Shanghai city Putuo District Yunling Road No. 345 Co-patentee after: Shanghai Chemical Institute Testing Co., Ltd. Patentee after: Shanghai Chemical Research Institute Co., Ltd. Address before: 200062 Shanghai city Putuo District Yunling Road No. 345 Co-patentee before: Shanghai Tianke Chemical Detection Co., Ltd. Patentee before: Shanghai Chemical Research Institute Co., Ltd. |