CN110146432A - A kind of test method of drinking water tubing - Google Patents
A kind of test method of drinking water tubing Download PDFInfo
- Publication number
- CN110146432A CN110146432A CN201910450724.9A CN201910450724A CN110146432A CN 110146432 A CN110146432 A CN 110146432A CN 201910450724 A CN201910450724 A CN 201910450724A CN 110146432 A CN110146432 A CN 110146432A
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- Prior art keywords
- drinking water
- water tubing
- tubing
- test method
- drinking
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/225—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material using electron or ion
- G01N23/2251—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material using electron or ion using incident electron beams, e.g. scanning electron microscopy [SEM]
-
- 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
- G01N33/18—Water
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
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- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a kind of test methods of drinking water tubing, comprising: A. is cleaned time each comfortable 15 minutes of inner and outer wall or more using the inner and outer wall of giant cleaning drinking water tubing；B. using one, continuous flushing 15 minutes or more of tap water pipe fitting connection drinking water tubing；C. one of drinking water tubing is blocked using the elastic plug for being enclosed with preservative film, is filled the water to drinking water tubing, until filling；D. it impregnates 23-25 hours.The dust and pollutant of the inner and outer wall of drinking water tubing to be tested can be effectively removed using giant, after giant flushing, normal use state is simulated with joint for running water pipe again and rinses drinking water tubing, obtains the state of the drinking water tubing under the normal operating condition of ruck；It reuses elastic plug and preservative film blocks one of drinking water tubing, avoid that more accurate drinking water tubing parameter may can be obtained to the element that test result has an impact using metal plug etc..
Description
Technical field
The present invention relates to drinking water tubing technical fields, and in particular to a kind of test method of drinking water tubing.
Background technique
Drinking water tubing is closely bound up with our life, and the test method of the drinking water tubing of the prior art generally uses
Metal tube blocks one, the parameter inaccuracy of acquisition.
Summary of the invention
In view of above-mentioned, the present invention provides a kind of test methods of drinking water tubing, can obtain and more accurately drink
Water pipe material parameter.
A kind of test method of drinking water tubing, comprising:
A. using the inner and outer wall of giant cleaning drinking water tubing, the time each comfortable 15 of inner and outer wall is cleaned
Minute or more；
B. using one, continuous flushing 15 minutes or more of tap water pipe fitting connection drinking water tubing；
C. one of drinking water tubing is blocked using the elastic plug for being enclosed with preservative film, is infused and is impregnated to drinking water tubing
Water, until filling；
D. it impregnates 23-25 hours, most preferably 24 hours.
Preferably, the quantity with a collection of drinking-water pipe material is more than 5N root, after step C, before step D further include:
C1. N root canal material is therefrom selected, the other end of drinking water tubing, N are blocked using the elastic plug for being enclosed with preservative film
For natural number, N is more than or equal to 2；
C2. each drinking water tubing is placed according to the angle of setting, the placed angle of drinking water tubing is from -90 ° to ﹢
90 °, one or more drinking water tubing is placed at interval of 10 °；
° refer to and the angle of horizontal plane；
- 90 ° of drinking water tubing for referring to that both ends block are placed vertically, and one blocked for the second time is upside down；90 ° of ﹢ refer to that one is blocked up
Dead drinking water tubing is placed vertically, and one not blocked is head-up.
Preferably, after step D, further includes:
E. one elastic plug for removing drinking water tubing, soaking water therein is poured into test tube, measures drinking water
P elements concentration, ferro element concentration and the pH value of soaking water in tubing；Measurement does not enter the phosphorus of the soaking water of drinking water tubing
Concentration of element, ferro element concentration and pH value；Obtain the corrosion rate of drinking water tubing.
Preferably, further includes:
F. the drinking water tubing for pouring out soaking water is fabricated to slice, the drinking water tubing not impregnated is fabricated to and is cut
Piece, using 3D stereoscopic microscope observing impregnate front and back drinking water tubing inner surface roughness variation and corrosion pit greatly
It is small；Using the distribution of the chemical element without pit near each position of scanning electron microscope scanning corrosion pit and corrosion pit
State obtains chemical element content and distribution at the corresponding corrosion rate minimum of drinking-water pipe of the test.
Preferably, further includes:
G. according to the chemical element content and distribution at the corrosion rate minimum of step F acquisition, new drink is manufactured
Water pipe material, the constituent content and distribution of the inner surface of new drinking water tubing are identical or close as at corrosion rate minimum.
It preferably, further include being spaced a distance when manufacturing new drinking water tubing, in drinking water tubing in step G
Inner surface production harmful element reaction corrosion ring, harmful element reaction corrosion ring can be with chloride ion, the sulfuric acid in drinking water
Radical ion reaction, generates the salt or the salt beneficial to human body that can be filtered.
It preferably, include sodium element in harmful element reaction corrosion ring, it is water-soluble that sodium element reacts generation with chloride ion
Sodium chloride.
Preferably, in step F, according to the placed angle of drinking water tubing in step C2, drinking water tubing is fabricated to
Slice is numbered, and confirms the different extent of corrosions of the slice under different placed angles, at different height, obtains in drinking water
The Elemental redistribution and weight distribution of corrosion composition.
Preferably, after step A further include:
Z1. cutter is carried using microrobot mark a tool marks along the length direction of drinking water tubing；
Z2. sand paper polishing tool marks are carried using microrobot, removes tool marks stress, obtains the tool marks of flush edge；
Z3. tool marks, the iron filings that clast, fine sand and the polishing that removal sand paper leaves are got off are cleaned.
Preferably, drinking water tubing is cast iron pipe.
The invention has the benefit that the invention discloses a kind of test methods of drinking water tubing, comprising: A. uses high
The inner and outer wall for pressing hydraulic giant cleaning drinking water tubing, is cleaned time each comfortable 15 minutes of inner and outer wall or more；B. it uses
Tap water pipe fitting connects one, continuous flushing 15 minutes or more of drinking water tubing；C. using the bullet for being enclosed with preservative film
Property plug block one of drinking water tubing, soaking water is infused to drinking water tubing, until filling；D. it impregnates 23-25 hours.It uses
Giant can effectively remove the dust and pollutant of the inner and outer wall of drinking water tubing to be tested, rush in giant
After washing, then normal use state is simulated with joint for running water pipe and rinses drinking water tubing, obtain the normal use of ruck
The state of drinking water tubing under state；Reuse elastic plug and preservative film block one of drinking water tubing, avoid using
Metal plug etc. may can obtain more accurate drinking water tubing parameter to the element that test result has an impact.
Detailed description of the invention
Guide tracked linear motor of the invention is described further with reference to the accompanying drawing.
Fig. 1 is a kind of flow chart of the test method of drinking water tubing of the present invention.
Fig. 2 is a kind of structural schematic diagram of another embodiment of the test method of drinking water tubing of the present invention.
Specific embodiment
A kind of test method of drinking water tubing of 1~2 couple of present invention is described further with reference to the accompanying drawing.
A kind of test method of drinking water tubing, comprising:
A. using the inner and outer wall of giant cleaning drinking water tubing, the time each comfortable 15 of inner and outer wall is cleaned
Minute or more；
B. using one, continuous flushing 15 minutes or more of tap water pipe fitting connection drinking water tubing；
C. one of drinking water tubing is blocked using the elastic plug for being enclosed with preservative film, is infused and is impregnated to drinking water tubing
Water, until filling；
D. it impregnates 23-25 hours.
In the present embodiment, the quantity with a batch drinking-water pipe material is more than 5N root, after step C, also wraps before step D
It includes:
C1. N root canal material is therefrom selected, the other end of drinking water tubing, N are blocked using the elastic plug for being enclosed with preservative film
For natural number, N is more than or equal to 2；
C2. each drinking water tubing is placed according to the angle of setting, the placed angle of drinking water tubing is from -90 ° to ﹢
90 °, one or more drinking water tubing is placed at interval of 10 °；
° refer to and the angle of horizontal plane；
- 90 ° of drinking water tubing for referring to that both ends block are placed vertically, and one blocked for the second time is upside down；90 ° of ﹢ refer to that one is blocked up
Dead drinking water tubing is placed vertically, and one not blocked is head-up.
Using the bracket at lattice-shaped in the substantially fixed drinking water tubing of vertical direction, set at the edge of the bracket of lattice-shaped
Block is rested against to adjust the tilt angle of drinking-water pipe, drinking water tubing is positioned to desired angle.
In the present embodiment, after step D, further includes:
E. one elastic plug for removing drinking water tubing, soaking water therein is poured into test tube, measures drinking water
P elements concentration, ferro element concentration and the pH value of drinking water in tubing；Measurement does not enter the phosphorus of the soaking water of drinking water tubing
Concentration of element, ferro element concentration and pH value；Obtain the corrosion rate of drinking water tubing.
In the present embodiment, corrosion inhibiter can be placed in a other drinking-water pipe material.Corrosion inhibiter is low-phosphorous, and the present invention is according to sun
Polar form corrosion inhibiter is mutually compounded with cathode type corrosion inhibiter, the principle that type oxide film corrosion inhibiter is mutually cooperateed with precipitating membranous type corrosion inhibiter, warp
Test of many times is crossed, so that corrosion inhibiter of the invention be prepared.
The corrosion inhibiter that inhibition cast iron of the invention is corroded in the tap water of containing sulfate radicals and chloride ion is by orthophosphoric acid
After salt, Quadrafos and polysilicate compounding, it is re-dissolved in solution obtained in tap water；Orthophosphates in solution is (with PO4
Meter) it is 2.2~4.6mg/L, Quadrafos (in terms of PO4) is 1.8~3mg/L, and polysilicate (in terms of SiO2) is 8~30mg/
L。
Orthophosphates in the present invention is the orthophosphates of food-grade, is selected from sodium phosphate, potassium phosphate, sodium dihydrogen phosphate, phosphorus
One of acid dihydride potassium, disodium hydrogen phosphate and dipotassium hydrogen phosphate.
Quadrafos in the present invention is the Quadrafos of food-grade, in sodium hexametaphosphate, sodium tripolyphosphate
It is a kind of.
Polysilicate in the present invention is the sodium polysilicate of food-grade.
The application method for the corrosion inhibiter that inhibition cast iron of the invention is corroded in the tap water of containing sulfate radicals and chloride ion:
The pH value for first adjusting tap water is between 7.5~8.5, then by quantitative relation adds orthophosphates, Quadrafos, polysilicate
In tap water, making the orthophosphates (in terms of PO4) in tap water is 1.2~6mg/L, and Quadrafos (in terms of PO4) is
0.8~4mg/L, polysilicate (in terms of SiO2) are 4~40mg/L；It is not important for each component charging order.General compounding
When first each component can be proportionally added at normal temperature be configured to high concentration medical fluid in deionized water (generally using concentration
100 times), then add in tap water again.
In the present embodiment, further includes:
F. the drinking water tubing for pouring out drinking water is fabricated to slice, the drinking water tubing not impregnated is fabricated to and is cut
Piece, using 3D stereoscopic microscope observing impregnate front and back drinking water tubing inner surface roughness variation and corrosion pit greatly
It is small；Using the distribution of the chemical element without pit near each position of scanning electron microscope scanning corrosion pit and corrosion pit
State obtains chemical element content and distribution at the corresponding corrosion rate minimum of drinking-water pipe of the test.
In the present embodiment, further includes:
G. according to the chemical element content and distribution at the corrosion rate minimum of step F acquisition, new drink is manufactured
Water pipe material, the constituent content and distribution of the inner surface of new drinking water tubing are identical or close as at corrosion rate minimum.
It further include being spaced a distance, in drinking water when manufacturing new drinking water tubing in step G in the present embodiment
Tubing inner surface production harmful element reaction corrosion ring, harmful element reaction corrosion ring can in drinking water chloride ion,
Sulfate ion reaction, generates the salt or the salt beneficial to human body that can be filtered.
It include sodium element in harmful element reaction corrosion ring, it is solvable that sodium element reacts generation with chloride ion in the present embodiment
In the sodium chloride of water.
In the present embodiment, in step F, according to the placed angle of drinking water tubing in step C2, drinking water tubing is made
At slice be numbered, confirm the different extent of corrosions of the slice under different placed angles, at different height, acquisition is drunk
The Elemental redistribution and weight distribution of corrosion composition in water.
In the present embodiment, after step A further include:
Z1. cutter is carried using microrobot mark a tool marks along the length direction of drinking water tubing；
Z2. sand paper polishing tool marks are carried using microrobot, removes tool marks stress, obtains the tool marks of flush edge；
Z3. tool marks, the iron filings that clast, fine sand and the polishing that removal sand paper leaves are got off are cleaned.
The corrosion rate that can accelerate drinking water tubing by step Z1, Z2 and Z3 improves the acquisition speed of various parameters.
In the present embodiment, drinking water tubing is cast iron pipe.
The above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, can also make several improvements without departing from the principle of the present invention, these improvement also should be regarded as protection of the invention
Range.
Claims (10)
1. a kind of test method of drinking water tubing, comprising:
A. using the inner and outer wall of giant cleaning drinking water tubing, each comfortable 15 minutes of the time of inner and outer wall is cleaned
More than；
B. one, continuous flushing 15 minutes or more of the drinking water tubing is connected using tap water pipe fitting；
C. one of the drinking water tubing, the note leaching of Xiang Suoshu drinking water tubing are blocked using the elastic plug for being enclosed with preservative film
It is soaked, until filling；
D. it impregnates 23-25 hours, most preferably 24 hours.
2. the test method of drinking water tubing as described in claim 1, which is characterized in that the quantity with a batch drinking-water pipe material exists
More than 5N root, after the step C, before the step D further include:
C1. N root canal material is therefrom selected, the other end of the drinking water tubing, N are blocked using the elastic plug for being enclosed with preservative film
For natural number, N is more than or equal to 2；
C2. each drinking water tubing is placed according to the angle of setting, the placed angle of the drinking water tubing is from -90 °
To 90 ° of ﹢, one or more drinking water tubing is placed at interval of 10 °；
° refer to and the angle of horizontal plane；
- 90 ° of drinking water tubing for referring to that both ends block are placed vertically, and one blocked for the second time is upside down；What 90 ° of ﹢ one, fingers blocked
Drinking water tubing is placed vertically, and one not blocked is head-up.
3. the test method of drinking water tubing as claimed in claim 2, which is characterized in that after the step D, further includes:
E. one elastic plug for removing the drinking water tubing, soaking water therein is poured into test tube, measures drinking water
P elements concentration, ferro element concentration and the pH value of soaking water in tubing；Measurement does not enter the soaking water of the drinking water tubing
P elements concentration, ferro element concentration and pH value；Obtain the corrosion rate of the drinking water tubing.
4. the test method of drinking water tubing as claimed in claim 3, which is characterized in that further include:
F. the drinking water tubing for pouring out drinking water is fabricated to slice, the drinking water tubing not impregnated is fabricated to and is cut
Piece, using 3D stereoscopic microscope observing impregnate front and back drinking water tubing inner surface roughness variation and corrosion pit greatly
It is small；The chemical element without pit near each position and corrosion pit of the corrosion pit is scanned using scanning electron microscope
Distribution obtains chemical element content and distribution at the corresponding corrosion rate minimum of drinking-water pipe of the test.
5. the test method of drinking water tubing as claimed in claim 4, which is characterized in that further include:
G. it according to the chemical element content and distribution at the corrosion rate minimum of step F acquisition, manufactures new
At drinking water tubing, the constituent content and distribution of the inner surface of the new drinking water tubing and the corrosion rate minimum
It is identical or close.
6. the test method of drinking water tubing as claimed in claim 5, which is characterized in that in the step G, manufacture new drink
Further include being spaced a distance when water pipe material, corrode ring in the inner surface production harmful element reaction of the drinking water tubing,
The harmful element reaction corrosion ring can be reacted with chloride ion, the sulfate ion in drinking water, generate the salt that can be filtered
Or the salt beneficial to human body.
7. the test method of drinking water tubing as claimed in claim 6, which is characterized in that in the harmful element reaction corrosion ring
Including sodium element, the sodium element is reacted with chloride ion generates water-soluble sodium chloride.
8. the test method of drinking water tubing as claimed in claim 7, which is characterized in that in the step F, according to the step
The placed angle of drinking water tubing described in C2, the slice being fabricated to the drinking water tubing are numbered, and confirmation difference is put
The different extent of corrosions of slice under angle setting degree, at different height obtain the Elemental redistribution and again of corrosion composition in drinking water
Power distribution.
9. the test method of drinking water tubing as claimed in claim 8, which is characterized in that after the step A further include:
Z1. cutter is carried using microrobot mark a tool marks along the length direction of the drinking water tubing；
Z2. the sand paper polishing tool marks are carried using microrobot, removes tool marks stress, obtains the tool marks of flush edge；
Z3. the tool marks, the iron filings that clast, fine sand and the polishing that removal sand paper leaves are got off are cleaned.
10. the test method of drinking water tubing as claimed in claim 9, which is characterized in that the drinking water tubing is cast iron pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910450724.9A CN110146432A (en) | 2019-05-28 | 2019-05-28 | A kind of test method of drinking water tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910450724.9A CN110146432A (en) | 2019-05-28 | 2019-05-28 | A kind of test method of drinking water tubing |
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| Publication Number | Publication Date |
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| CN110146432A true CN110146432A (en) | 2019-08-20 |
Family
ID=67593359
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| CN201910450724.9A Pending CN110146432A (en) | 2019-05-28 | 2019-05-28 | A kind of test method of drinking water tubing |
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