CN108375525A - A kind of device and method measuring performance of antisludging agent - Google Patents
A kind of device and method measuring performance of antisludging agent Download PDFInfo
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- CN108375525A CN108375525A CN201810206297.5A CN201810206297A CN108375525A CN 108375525 A CN108375525 A CN 108375525A CN 201810206297 A CN201810206297 A CN 201810206297A CN 108375525 A CN108375525 A CN 108375525A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The present invention relates to the evaluating apparatus and evaluation method of a kind of liquid medium scaling tendency and scale inhibition effect, principle is under a constant, when testing tube internal incrustation, internal pressure to be caused to increase, flow-reduction, thus the amount of liquid received within the set time（Volume or weight）It will reduce, the degree of amount of scale buildup is can determine that with this, so as to judge the quality of antisludging agent scale prevention ability by different experimental conditions, and different dirt dispersion agent scale-inhibiting properties be evaluated.
Description
Technical field
The present invention relates to the evaluating apparatus and evaluation method of a kind of liquid medium scaling tendency and scale inhibition effect, are a kind of use
In the judgment means of the production processes scaling tendency such as petrochemical industry, electric power, metallurgy, oil exploitation, sea water desalination, reverse osmosis, with
And the evaluation method for different dirt dispersion agent scale-inhibiting properties.
Background technology
There are the foulings of system in the process of manufacture of the industries such as petrochemical industry production, oil extraction in oil field, electric power, metallurgy
Problem.These scale forming matters are deposited on the conveying of pipeline internal influence liquid, the reduction of heat transfer efficiency, also cause related to corrosion
Problems, easily cause the increase of equipment energy consumption and the reduction of equipment life, or even therefore cause improper halts production former
Barrier.
Different industries according to be respectively adopted the characteristics of itself add dirt dispersion agent, Electromagnetic Treatment, moisturizing softening etc. it is a variety of
The problem of being brought because of fouling is alleviated and is eliminated in measure.
In this background, need to establish a kind of reliable and easy fouling evaluating apparatus to predict the generation of fouling, or screening
Medicament with stronger scale inhibition effect prevents scale problems occur.
Especially in the water system with scaling tendency, effective prediction can often reduce the operation risk of system.
Usually there are two types of mode, static method and dynamic methods is judged for the prediction of fouling both at home and abroad at present.
Static method principle is to judge scaling tendency by measuring the variation of the concentration before and after the test of calcium ions and magnesium ions etc. in solution
It is strong and weak；Experiential practice, people summed up at present static method, Bubbling method, ultimate carbonate hardness method, electrical conductivity method,
A variety of test methods such as pH methods；These method equipment are simple, operating process is shorter, can reflect test system to a certain extent
The tendency of fouling；These methods have been widely used in laboratory's screening stage.
But a kind of reflection that the above method is acted on only for the chelation of antisludging agent and distortion of lattice, for dividing
The peptizaiton that powder is shown can not embody, especially for working fluid the fouled condition and trend of heat exchange surface can not
It embodies；So when carrying out the screening of antisludging agent, repeatability is very bad, and when determining antisludging agent quality, this method can only be made
For a kind of reference method.
Dynamic method principle is that the fouling of equipment is investigated by certain flow velocity and heat exchange using the running environment similar with scene
Problem；This method has clear advantage relative to static method, and there are certain similarities with field conditions, therefore usually with this
The important evidence that method is determined as scale inhibition agent prescription.But this method needs specific equipment, special personnel and long period
Operation could realize that equipment investment, operating cost and personnel's amount of labour are very big.
Invention content
The present invention for above method there are the problem of, a kind of scale inhibition test device and method are provided.
This method can effectively solve insufficient existing for static method and dynamic method in scale inhibition effect test, can meet test effect
Needs, and test accuracy is high, and equipment investment is small, and the test period is short, and experiment process simple operation expense is low.
Description of the drawings
Fig. 1 is the installation drawing of this experimental provision.
Claims (10)
1. a kind of scaling tendency and appraisal of scale mitigating effect device, including：
Constant pressure pump provides working fluid under a constant；
Liquid provides and reception device, for providing test(ing) liquid and receiving the volume and/or weight of liquid；
Capillary, entrance connection liquid provide device and liquid are transported to outlet reception device by constant pressure pump；
Heating device, internal liquid is heated, passes to test capillary.
2. scaling tendency as described in claim 1 and appraisal of scale mitigating effect device, which is characterized in that when liquid is because of temperature or dense
After the reasons scaling tendencies such as degree increase, meeting fouling in capillary, fouling causes capillary diameter to reduce, and internal pressure increases
Greatly；Under constant pressure condition, flow can reduce；The liquid volume of capillary is flowed through in same time to be reduced；Institute
With the amount of liquid received within the set time（Volume or weight）It will reduce；According to receiving amount of liquid in the set time（Volume
Or flow）Variation can determine that the degree of amount of scale buildup；So as to pass through different experimental conditions（Temperature, chemical dose,
Scale-forming ion concentration etc.）Judge the quality of antisludging agent scale prevention ability.
3. scaling tendency as claimed in claim 2 and appraisal of scale mitigating effect device, which is characterized in that at a constant temperature,
Different dirt dispersion agents have different inhibiting effect for the scale prevention ability of liquid；By being received in the reception device set time
Amount of liquid can be determined that the inhibition that different dirt dispersion agents generate incrustation scale.
4. scaling tendency as claimed in claim 2 and appraisal of scale mitigating effect device, which is characterized in that capillary selection is corrosion-resistant
Stainless steel capillary, can improve the accuracy of experiment process, reduce the influence of corrosion factor during experimental test.
5. scaling tendency as claimed in claim 2 and appraisal of scale mitigating effect device, which is characterized in that before each test, need
System is first subjected to blank control with pure water, performance measurement then be carried out again, to reduce systematic error.
6. scaling tendency as claimed in claim 2 and appraisal of scale mitigating effect device, which is characterized in that every time after the test,
According to experiment incrustation scale type, need to clean the effective acid of capillary, alkali or cleaning agent 5-20 minutes, to eliminate the internal water generated
Dirt, in order to which experiment next time carries out.
7. scaling tendency as described in claim 1 and appraisal of scale mitigating effect device, which is characterized in that the testing time selects in 1-
Within the scope of 6 hours.
8. scaling tendency as claimed in claim 2 and appraisal of scale mitigating effect device, which is characterized in that capillary pipe length selects
In the range of 0.5-5m, diameter is within the scope of 0.5-2.0mm.
9. scaling tendency as described in claim 1 and appraisal of scale mitigating effect device, which is characterized in that liquid can in heating device
Be pure water, conduction oil etc. do not have fouling or corrosive liquid, with provide various heat exchange temperature experimental test requirement and
Improve accuracy.
10. scaling tendency as described in claim 1 and appraisal of scale mitigating effect device, which is characterized in that weighing can also be passed through
The mode of solid matter incrementss calculates the weight of fouling in the front and back capillary of test, and then judges scale inhibition effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810206297.5A CN108375525A (en) | 2018-03-13 | 2018-03-13 | A kind of device and method measuring performance of antisludging agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810206297.5A CN108375525A (en) | 2018-03-13 | 2018-03-13 | A kind of device and method measuring performance of antisludging agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108375525A true CN108375525A (en) | 2018-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810206297.5A Pending CN108375525A (en) | 2018-03-13 | 2018-03-13 | A kind of device and method measuring performance of antisludging agent |
Country Status (1)
| Country | Link |
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| CN (1) | CN108375525A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793878A (en) * | 2019-10-24 | 2020-02-14 | 江门联福广科新材料科技有限公司 | Method for testing performance of scale-inhibiting filter material |
-
2018
- 2018-03-13 CN CN201810206297.5A patent/CN108375525A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793878A (en) * | 2019-10-24 | 2020-02-14 | 江门联福广科新材料科技有限公司 | Method for testing performance of scale-inhibiting filter material |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180807 |