CN205280698U - Laboratory is with defoaming agent performance simulation evaluation device - Google Patents
Laboratory is with defoaming agent performance simulation evaluation device Download PDFInfo
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- CN205280698U CN205280698U CN201521115992.9U CN201521115992U CN205280698U CN 205280698 U CN205280698 U CN 205280698U CN 201521115992 U CN201521115992 U CN 201521115992U CN 205280698 U CN205280698 U CN 205280698U
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Abstract
The utility model provides a laboratory is with defoaming agent performance simulation evaluation device, includes that the beaker that connects gradually through the pipeline, ball valve, flowmeter, microtype centrifugal pump and utensil stopper press from both sides the cover graduated flask and set up at the outside constant temperature heat source of beaker, presss from both sides the cover graduated flask and presss from both sides the jacket layer lower part and have the water inlet, there is the delivery port on upper portion, adopts the outer circulating connection of rubber tube and constant temperature heat source, forms circulation system, keeps warm to liquid. The constant temperature heat source can adopt that to have extrinsic cycle, temperature be - 40 DEG C ~100 DEG C magnetic force constant temperature salt bath or oil bath with constant temperature to the mesh evaluated all can be carried out to the performance of defoaming agent to the realization from low temperature to high temperature. This device has advantages such as reasonable in design, convenient to use, low in cost, can be in more being close industrial production the service environment condition of defoaming agent get off to appraise the dynamic defoaming performance of defoaming agent to make evaluation result more be close the in -service use effect.
Description
Technical field
This utility model relates to a kind of use for laboratory and evaluates the defoamer low temperature device to high temperature antifoam performance, and product can be used for the evaluation to industry defoamer such as liquid detergent, coating, papermaking, textile printing and dyeing, fermentation and sugarings.
Background technology
Foam is a kind of phenomenon common in our daily productive life, but in many industrial processes, if there is substantial amounts of foam in the industrial processes such as textile printing and dyeing, papermaking, fermentation and coating, then easily cause operation inconvenience, waste place capacity, even cause substandard products, therefore need in process of production to efficiently control foam. The elimination of general foam can be realized by ways such as standing, decompression and heating, but along with plant-scale increasing, efficiency more and more higher, it is necessary to quickly and effectively eliminate the foam constantly produced within the most short time, it is necessary to add defoamer and eliminate foam. At present of a great variety, the different properties of defoamer on the market, can be divided into according to active component difference: natural oil, alcohols, ethers, amine and silicone based etc. Wherein silicone based defoamer has antifoaming speed faster, press down the bubble time longer, the features such as Applicable media is wider, are widely used in removing the unwanted bubbles produced in the industry production processes such as latex, textile sizing, food fermentation, biological medicine, coating, petrochemical industry, papermaking, industry cleaning link.
The performance of defoamer is mainly reflected in two aspects: one is eliminate the foam produced, i.e. froth breaking, but the generation of foam in control system, namely press down bubble. The defoamer of one excellent performance should eliminate the foam produced rapidly, also to have the generation that can efficiently control system foam simultaneously. At present, the evaluation methodology of defoamer performance be there is no unified standard by different research institutions, general many employings " succusion " and " Bubbling method ". " succusion ", namely adds the expanding foam solution of a certain amount of preparation in tool plug graduated cylinder, shakes certain number of times so that expanding foam solution bubbles; Adding a certain amount of defoamer in system, shake certain number of times, the time that record foam is completely eliminated, evaluate the antifoam performance of defoamer with this, the time is shorter, and antifoam performance is better; Repeat concussion for several times, record foam time is completely eliminated, evaluate the suds suppressing properties of defoamer according to this, the number of oscillation the more, Lather drainage time shorter, suds suppressing properties is better. But the operation of this method is difficult to specification, man's activity is relatively big, and measurement result error is relatively big, and repeatability is poor, and is only capable of at normal temperatures the antifoam performance of defoamer being evaluated. " Bubbling method ", namely in graded tube, add the expanding foam solution of a certain amount of preparation, in expanding foam solution, it is continually fed into nitrogen bubble with certain speed, when foam volume reaches to set scale, a certain amount of defoamer is added with pipet, the time that record foam all eliminates simultaneously, being called foam time, the time is more short; Defoaming is more good; And then record foam volume reaches to set required time again, is called and presses down the bubble time, and the time is more long, presses down bubble property more good. Assay method described in CN200720192384.7 belongs to the improvement of " Bubbling method ", similar with Bubbling method. " Bubbling method " is to blast gas in use system so that system is bubbled, thus simulating the generation of foam in commercial production. But during due to actual production, mainly liquid is in flowing, the generation of foam is affected bigger by stirring, the pattern of flow of liquid, flow velocity and system temperature, and the foam that " Bubbling method " produces is bigger with liquid actual flow gap, thus causing that, in actual evaluation process, the error of " Bubbling method " is also bigger.
Utility model content
The purpose of this utility model is in that to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of use for laboratory defoamer performance simulation evaluating apparatus. This utility model can in the dynamic defoaming performance evaluating defoamer under the use environmental condition of defoamer in commercial production so that evaluation result is closer to practical effect.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of defoamer performance simulation evaluating apparatus, including the beaker being sequentially connected with by pipeline, ball valve, effusion meter, micro centrifugal pump and tool plug chuck graduated cylinder, described tool plug chuck graduated cylinder includes chuck layer and internal glass straight tube, the liquid of described centrifugal pump output flows into described tool plug glass straight tube within chuck graduated cylinder, the outlet of described glass straight tube is provided with ground cock, in order to regulate the liquid holdup in tool plug chuck graduated cylinder.
Defoamer performance simulation evaluating apparatus described in the utility model also includes the constant temperature thermal source being arranged on outside beaker, water inlet is arranged at tool plug chuck graduated cylinder chuck layer bottom, outlet is arranged at top, and forms external circulating system by pipeline with constant temperature thermal source, and the liquid in glass straight tube is incubated.
In above-mentioned use for laboratory defoamer performance simulation evaluating apparatus, tool plug chuck graduated cylinder is marked with scale.
In above-mentioned use for laboratory defoamer performance simulation evaluating apparatus, constant temperature thermal source is magnetic force constant temperature salt bath or constant temperature oil bath.
In above-mentioned use for laboratory defoamer performance simulation evaluating apparatus, constant temperature thermal source is with magnetic agitation assembly.
In above-mentioned use for laboratory defoamer performance simulation evaluating apparatus, it is sebific duct for being sequentially connected with the pipeline of beaker, ball valve, effusion meter, micro centrifugal pump and tool plug chuck graduated cylinder.
In above-mentioned use for laboratory defoamer performance simulation evaluating apparatus, flow is calculated as glass rotameter.
Operation principle of the present utility model is so: add the expanding foam solution in practical application in beaker, is heated or cooled to use temperature, after being promoted to certain height by micro centrifugal pump, enters in chuck graduated cylinder with certain flow velocity, impacts and form foam; Opening cock bottom chuck graduated cylinder so that the liquid level in graduated cylinder keeps constant altitude, is circulated, whole system adopts constant temperature thermal source outer circulation to be incubated; Circulate to foam height in graduated cylinder constant time, in beaker, add a certain amount of defoamer, and start timing, when in graduated cylinder, foam height is 0cm, the record time used, this time is foam time; Continuing cycling through, when foam height arrives above-mentioned constant altitude again in graduated cylinder, record the time, this time is for pressing down the bubble time; The performance of defoamer is evaluated by the time arriving certain altitude with foam, and foam time is shorter, it is longer to press down the bubble time, and defoaming effect is more good.
Compared with prior art, this utility model has that rational in infrastructure, equipment is simple, be prone to build and the advantage such as easy to maintenance, this device adopt micro centrifugal pump, with cock chuck graduated cylinder and constant temperature thermal source with the use of mode, the generation of actual application system foam, the pattern of flow of liquid, flow velocity and system temperature are simulated so that evaluation result and practical using result closer to.
Accompanying drawing explanation
Fig. 1 is the structural representation of one specific embodiment of this utility model.
Accompanying drawing labelling is as follows: 1-constant temperature thermal source; 2-beaker; 3-ball valve; 4-spinner flowmeter; 5-micro centrifugal pump; 6-tool plug chuck graduated cylinder; 7-circulating water intake; 8-circulating water outlet; 9-ground cock.
Detailed description of the invention
As it is shown in figure 1, use for laboratory defoamer performance simulation device described in the utility model is sequentially connected in series is formed by constant temperature thermal source 1, beaker 2, ball valve 3, spinner flowmeter 4, micro centrifugal pump 5 and tool plug chuck graduated cylinder 6. Constant temperature thermal source adopts the bath of DHJF-4020 constant temperature stirring reaction. The capacity of tool plug chuck graduated cylinder is 1.5L, is highly 900mm, and internal diameter is 50mm, and external diameter is 70mm, and bottom is ball closure the glass straight tube with length to be 100mm, internal diameter be 5mm. Tool plug graduated cylinder indicates scale from bottom to up, and calibration is 1mm. During operation, first expanding foam solution is loaded in beaker, open the stirring of water bath with thermostatic control, set and need holding temperature, open heating. During when the temperature to test temperature, open the outer loop of water bath with thermostatic control so that recirculated water enters from the lower end import 7 of chuck graduated cylinder, export 8 outflows from epimere, form circulation, thus realizing the insulation to whole system. Open valve 3 and set the spinner flowmeter 4 of flow, opens micro centrifugal pump 5, is squeezed into by liquid in chuck graduated cylinder, by the liquid holdup in ground cock 9 controllable amounts cylinder.
Work process of the present utility model is as follows:
1) expanding foam solution is generally adopted the expanding foam solution that application system is adopted; Can also concentration be 0.5% dodecylbenzene sodium sulfonate or TX-10 that concentration is 0.5% be expanding foam solution.
2) opening water bath with thermostatic control, arranging temperature is 70 DEG C, adds the expanding foam solution of 500g, put in water-bath in 1L beaker, and stirring heats up. Open water bath with thermostatic control outer circulation circulating system is incubated.
3) when liquid temp to be foamed reaches 70 DEG C, ON cycle pump, with the speed of 500mL/min, expanding foam solution is squeezed in tool plug graduated cylinder, regulate the cock of graduated cylinder lower end so that in graduated cylinder, liquid level is maintained at 0 scale. Insulation persistent loop, until the liquid level in graduated cylinder keeps constant altitude 300cm, record height now.
4) adding 0.25g defoamer in beaker, and start timing, when in graduated cylinder, foam height is 0cm, the record time used, for foam time; Continue cycling through, when foam height arrives 300cm again in graduated cylinder, record the time, for pressing down the bubble time. The performance of defoamer is evaluated by the time arriving certain altitude with foam, and foam time is shorter, it is longer to press down the bubble time, and defoaming effect is more good.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in scope of patent protection of the present utility model.
Claims (7)
1. a use for laboratory defoamer performance simulation evaluating apparatus, it is characterized in that: include the beaker (2) being sequentially connected with by pipeline, ball valve (3), effusion meter (4), micro centrifugal pump (5) and tool plug chuck graduated cylinder (6), described tool plug chuck graduated cylinder (6) includes chuck layer and internal glass straight tube, the liquid that described centrifugal pump (5) exports flows into the glass straight tube that described tool plug chuck graduated cylinder (6) is internal, the outlet of described glass straight tube is provided with ground cock (9), in order to regulate the liquid holdup in tool plug chuck graduated cylinder (6).
2. use for laboratory defoamer performance simulation evaluating apparatus according to claim 1, it is characterized in that: also include the constant temperature thermal source (1) being arranged on outside beaker, water inlet is arranged at described tool plug chuck graduated cylinder (6) chuck layer bottom, outlet is arranged at top, and form external circulating system by pipeline with constant temperature thermal source, the liquid in glass straight tube is incubated.
3. use for laboratory defoamer performance simulation evaluating apparatus according to claim 1 and 2, it is characterised in that: described tool plug chuck graduated cylinder (6) is marked with scale.
4. use for laboratory defoamer performance simulation evaluating apparatus according to claim 2, it is characterised in that: described constant temperature thermal source (1) is magnetic force constant temperature salt bath or constant temperature oil bath.
5. the use for laboratory defoamer performance simulation evaluating apparatus according to claim 2 or 4, it is characterised in that: described constant temperature thermal source (1) is with magnetic agitation assembly.
6. use for laboratory defoamer performance simulation evaluating apparatus according to claim 1, it is characterised in that: described pipeline is sebific duct.
7. use for laboratory defoamer performance simulation evaluating apparatus according to claim 1, it is characterised in that: described effusion meter (4) is glass rotameter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521115992.9U CN205280698U (en) | 2015-12-29 | 2015-12-29 | Laboratory is with defoaming agent performance simulation evaluation device |
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| CN201521115992.9U CN205280698U (en) | 2015-12-29 | 2015-12-29 | Laboratory is with defoaming agent performance simulation evaluation device |
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| CN205280698U true CN205280698U (en) | 2016-06-01 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107315072A (en) * | 2017-08-08 | 2017-11-03 | 武汉理工大学 | Experimental provision and its method for glass defoamer compliance test result |
| CN107356711A (en) * | 2017-07-25 | 2017-11-17 | 中国石油天然气股份有限公司 | A kind of gas well water pumping gas production multi-functional defoamer evaluating apparatus and evaluation method |
| CN107478671A (en) * | 2017-09-30 | 2017-12-15 | 南京工业大学 | Three-phase froth coefficient of foaming and pasta system for testing stability and its method of testing |
| CN109254117A (en) * | 2018-09-11 | 2019-01-22 | 中国海洋石油集团有限公司 | A kind of oilfield produced fluid defoaming agent Lab-evaluation device and evaluation method |
| CN110554151A (en) * | 2019-09-30 | 2019-12-10 | 南京古田化工有限公司 | defoaming agent performance testing device and method |
-
2015
- 2015-12-29 CN CN201521115992.9U patent/CN205280698U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356711A (en) * | 2017-07-25 | 2017-11-17 | 中国石油天然气股份有限公司 | A kind of gas well water pumping gas production multi-functional defoamer evaluating apparatus and evaluation method |
| CN107315072A (en) * | 2017-08-08 | 2017-11-03 | 武汉理工大学 | Experimental provision and its method for glass defoamer compliance test result |
| CN107478671A (en) * | 2017-09-30 | 2017-12-15 | 南京工业大学 | Three-phase froth coefficient of foaming and pasta system for testing stability and its method of testing |
| CN107478671B (en) * | 2017-09-30 | 2024-01-02 | 南京工业大学 | Three-phase foam expansion and oil surface stability test system and test method thereof |
| CN109254117A (en) * | 2018-09-11 | 2019-01-22 | 中国海洋石油集团有限公司 | A kind of oilfield produced fluid defoaming agent Lab-evaluation device and evaluation method |
| CN109254117B (en) * | 2018-09-11 | 2021-11-02 | 中国海洋石油集团有限公司 | Indoor evaluation device and evaluation method for defoaming agent for oil field produced liquid |
| CN110554151A (en) * | 2019-09-30 | 2019-12-10 | 南京古田化工有限公司 | defoaming agent performance testing device and method |
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