CN105148422B - The preparation method of canister mouth neck ash discharge standardized level difference color board - Google Patents
The preparation method of canister mouth neck ash discharge standardized level difference color board Download PDFInfo
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- CN105148422B CN105148422B CN201510435853.2A CN201510435853A CN105148422B CN 105148422 B CN105148422 B CN 105148422B CN 201510435853 A CN201510435853 A CN 201510435853A CN 105148422 B CN105148422 B CN 105148422B
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Abstract
The present invention relates to chemical industry measurement field, specially a kind of preparation method of canister mouth neck ash discharge standardized level difference color board, comprise the following steps：1st, prepared by powdered carbon：Prepared sizes are less than 10 μm of powdered carbon particulate；2nd, prepared by powdered carbon titer：Prepare 0.01 mg/mL powdered carbon titers；3rd, the choosing system of the scraps of paper is filtered：For the filtering scraps of paper that make color board selection and cut；4th, standard curve is made：Whiteness value additional charcoal silty amount standard curve is made, determines the Ith grade, the IIth grade of theoretical whiteness value；5th, color board is made：Alternative color board is made, whiteness value is determined, is screened according to theoretical whiteness value, and the color board to choosing is handled and preserved.The higher standardized level difference color board of precision can be produced according to the above method, meets the requirement of canister ash discharge performance test.
Description
Technical field
The present invention relates to chemical industry measurement field, specially a kind of making side of canister mouth neck ash discharge standardized level difference color board
Method.
Background technology
The mouth neck ash discharge experiment of canister, is to carry out soot blowing to canister with pulse of air stream, the dust collection of blowout exists
Have with certain area on filter board disk, result of the test canister ash discharge standardized level difference color board（Hereinafter referred to as colorimetric
Plate）Colorimetric is carried out to its disk, according to the colourity rank of filter board disk, judges whether the ash discharge performance of canister is qualified.
Air into canister should be air pulse, that is, simulate the breath state of people, it is desirable to which gas flow and respiratory rate exist with people
It is similar during moderate activity intensity.The circular filter scraps of paper of testing sample are collected, its quality must be with the mistake of making color board
Filter paper is identical.
Why canister will carry out a mouthful neck ash discharge experiment, be because in canister in addition to equipped with filter paper group, also load
There is the impregnated carbon containing chromium.Chromium and dust caused by being worn due to being given a shock, the breathing of wear one member can be entered with air-flow
Organ, physiological damage is caused to personnel.And chromium is one of carcinogen, harm is more very.Therefore, it is good for from protecting mask wearer
The angle of health is set out, it is necessary to which the ash discharge amount to canister is any limitation as.The ash discharge experiment of mouth neck is exactly to test this performance indications.
According in standard GB/T 2890-2007 on filter element ash discharge experimental test requirement in clear stipulaties, should make
With standardized level difference color board.But as application specific standard material, color board only uses in chemical defence industry now, not ready-made
Product can be bought.
Canister mouth neck ash discharge standardized level difference color board, since founding the factory, always using the standardized level difference color board of the Soviet Union.
1964, chemical defence research institute have developed China's first generation breathing mask, and factory uses the new standard level of the supporting development of chemical defence institute instead still
Poor color board.1974, due to the foundation of national 11 breathing mask mobilization production lines, the demand of color board increased, therefore,
Former our factory physics and chemistry room newly have developed a collection of standardized level difference color board and be issued to each mobilization production factory, use till today always.Shi Zhijin
Day, then new standardized level difference color board was developed without unit.
Current color board is limited, the precision of instrument equipment is relatively low, manufacture craft when making by equipment and technique
Also subject to conditions, color board precision is not high.And personnel at that time and instrument and equipment do not exist, the specific details that makes is had no way of
Textual criticism.Through consulting literatures, also without the relevant report of color board manufacturing technology.
After for many years, the whiteness value changes of current color board are big, are no longer applicable.Color board is that protective equipment inspection is used
Application specific standard material, it be ensure the accurate Main Means of canister mouth neck ash discharge test data, it should have strict production and
Management system, to ensure its accuracy.
The content of the invention
It is an object of the invention to provide a kind of method for making canister mouth neck ash discharge standardized level difference color board, makes essence
The higher standardized level difference color board of degree, meets the requirement of canister ash discharge performance test.
According in standard GB/T 2890-2007 on filter element ash discharge experimental test requirement in regulation, standard level
Poor color board divides two-stage, and Φ 30mm are effectively filtered in border circular areas, and additional powdered carbon quality is respectively the Ith grade of 0.12mg, and the IIth
Level 0.24mg.
The present invention adopts the following technical scheme that realization：
A kind of preparation method of canister mouth neck ash discharge standardized level difference color board, comprises the following steps：
（1）, powdered carbon prepare
1a, activated carbon or impregnated carbon ground, obtain the powdered carbon below 300 mesh.
1b, powdered carbon is taken to be fully ground in agate mortar.
1c, the powdered carbon after grinding poured into container, after adding pure water tentatively scattered, be transferred in graduated cylinder, will be measured with pure water
Cylinder is filled it up with, and glass bar is sufficiently stirred, then with ultrasonic oscillation, reaches even suspension.
1d, 1 h is stood, more than 25cm powdered carbon suspension in taken amount cylinder, then collect the powdered carbon in suspension with suction method
Particulate is on filter paper.
Wherein, by calculating the powdered carbon suspension for needing especially to choose more than 25cm in graduated cylinder, therefore it is specifically designed following rainbow
Suction method separator, including graduated cylinder and glass siphon, the distance between the long end of the glass siphon and short end are more than amount
The wall thickness 1-2mm of cylinder, extension is formed after the long end horizontal buckling of the glass siphon, work is provided with the extension
Plug, the end connection rubber tube of the extension, the sebific duct are stretched in the container for holding powdered carbon suspension；The glass siphon
Barrel insertion of the pipe along graduated cylinder；Bottom surface 25cm more than of the short end of the glass siphon in graduated cylinder.
In use, installing as shown in Figure 5, the short end that will be filled with the glass siphon of liquid is placed in graduated cylinder, Ran Houkai
The piston at extension is opened, liquid causes negative pressure, while the liquid in graduated cylinder in pipe upper end i.e. because Action of Gravity Field in pipe by flowing out
Because the effect of atmospheric pressure flows into short end.So, liquid is by continuous automatic flowing, until liquid level is down to entering for siphon pipe in graduated cylinder
Untill at mouthful, the powdered carbon suspension with more than 25cm in siphonage taken amount cylinder is completed.
1e, the filter paper that will adhere to powdered carbon particulate, powdered carbon in evaporating dish, are dried in 100 ~ 105 DEG C of baking ovens up,
Powdered carbon slabbing is opened and part tilts.
1f, evaporating dish is taken out, by the face-down back-off of powdered carbon in evaporating dish, rap the filter paper back side, powdered carbon layer Automatic-falling.
1g, by gained powdered carbon particulate, pour into agate mortar and be fully ground again, collection is placed in standby in drier.
（2）, powdered carbon titer preparation
2a, the powdered carbon for weighing ormal weight, are placed in container, add pure water, add 2% peregal solution 2 to drip, preliminary stirring, then use
Ultrasonic oscillation, make its fully dispersed.
2b, the dense suspension being dispersed through all moved into volumetric flasks, 3/4 is diluted to pure water, after shake well, with ultrasound
Ripple shakes, and removes liquid surface foam and air entrapment.
2c, with pure water suspension is diluted to volumetric flask groove, after shake well, with ultrasonic oscillation, it is fully divided
Dissipate, obtain the powdered carbon titer that amount containing powdered carbon is 0.01mg/mL.
（3）, filtering the scraps of paper choosing system
Make the disk filter paper one used in collection powdered carbon particle when the filter paper used in standard colorimetric plate is tested with ash discharge
Cause.
（4）, make standard curve
4a, installation filter, the used filter paper of color board is sandwiched in filter；
Wherein, following filter, including glass bottle with frosted glass opening and sand core funnel are designed, the sand core funnel includes funnel
Body, the neck root of the infundibular body are connected with frosted mouth base, and being formed integrally with the top portion for the frosted mouth base is taken out very
Eat dishes without rice or wine；Core filter plate is installed at the top of the infundibular body；The sand core funnel is using frosted mouth floor installation in frosted mouth glass
On glass bottle；Docking is placed with water conservancy diversion container on the infundibular body, and colorimetric is placed between the outlet of the water conservancy diversion container and infundibular body
Plate is gripped with after filter paper with fixture.In use, install as shown in Figure 4.
4b, the vacuum orifice of filter is connected with vavuum pump, opens vavuum pump, it is with pure water that color board filter paper is anti-
Soak 8-12 times again；
4c, filtering powdered carbon
Take 0.01mg/mL powdered carbon titer to be placed in the water conservancy diversion container on filter top, start vavuum pump, powdered carbon is taken out
Filter on color board filter paper；
4d, after the completion of filtering, color board filter paper is removed, at ambient temperature, color board is dried with filter paper, treated
Survey whiteness value；
4e, the powdered carbon amount according to two ranks in color board, according to 4a ~ 4d method, more than five kinds are made containing difference
The color board filter paper of powdered carbon amount；Every kind of powdered carbon content makes multiple parallel color board filter papers；
4f, the whiteness value for determining with whiteness instrument color board filter paper respectively, the color board for calculating every kind of powdered carbon content are used
The average whiteness value of filter paper；
4g, using additional charcoal silty amount as x-axis, average whiteness value is y-axis, makees whiteness value-additional charcoal silty amount standard curve,
The calcium of logarithmic relationship is obtained, according to calcium, calculates the Ith grade, the IIth grade of theoretical whiteness value；
（5）, make color board
5a, the method according to 4a ~ 4d, the alternative color board filter paper of two ranks is made respectively；Same rank it is standby
Color board is selected to be produced once with filter paper multiple, alternately color board；
5b, the whiteness value with whiteness instrument measure color board filter paper, by the average whiteness value of each rank and the rank
Theoretical whiteness value be compared, error should be less than 1%；
5c, in the color board filter paper of each rank, selection with colorimetric of the theoretical whiteness value error within ± 2%
Plate filter paper；
5d, required disk is punched into filtering surface of the color board chosen with filter paper, cuts into semicircle；Each selection
Semicircle 1 for the Ith grade and the semicircle 1 for the IIth grade, are sandwiched in lucite chuck, while fixed with rivet
Lucite presss from both sides, and obtains standardized level difference color board.
The inventive method has the advantage that as follows：
1st, powdered carbon titer filtering being carried out using filter in method, its suction filtration face and upper container can be freely separating,
And pass through special clip clamping, in that context it may be convenient to the filtering scraps of paper are sandwiched between suction filtration face and upper container, filters and completes rear
Just take out；The filter is that core filters face, good supporting role can be not only played to filter, and draft is uniform, energy
Make powdered carbon uniform settlement.
2nd, the waterpower sedimentation of settling methods is used in method, using homemade siphonage powdered carbon separator, is carried out
The separation of powdered carbon particulate, the method can efficiently separate the powdered carbon particulate of required granularity from powdered carbon.
3rd, the method that ultrasonic oscillation is made full use of in method, progress powdered carbon suspension and powdered carbon titer disperse, with
And remove powdered carbon titer surfactant foam and air entrapment.
The higher standardized level difference color board of precision can be produced according to the above method, meets canister ash discharge performance test
Requirement.
Brief description of the drawings
Fig. 1 represents the schematic diagram of glass bottle with frosted glass opening.
Fig. 2 represents the structural representation of sand core funnel.
Fig. 3 represents the structural representation of water conservancy diversion container.
Fig. 4 represents the overall structure diagram of filter.
Fig. 5 represents the structural representation of siphonage powdered carbon separator.
Fig. 6 represents the structural representation of standardized level difference color board.
Fig. 7 represents powdered carbon filter sizes schematic diagram of the color board with filter paper on the filter.
In figure, 100- color board filter papers, 101- glass bottle with frosted glass opening, 102- infundibular bodies, 103- frosted mouth bases,
104- core filter plates, 105- vacuum orifices, 106- water conservancy diversion containers, 107- fixtures, 201- short ends, the long ends of 202-, 203- extensions,
204- pistons, 205- sebific ducts, 206- hold the container of powdered carbon suspension, 207- graduated cylinders.
Embodiment
The specific embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
A kind of preparation method of canister mouth neck ash discharge standardized level difference color board, comprises the following steps：
（1）, powdered carbon prepare
1a, activated carbon or impregnated carbon ground in sampling machine, obtain the powdered carbon below 300 mesh.
1b, about 5g powdered carbons are taken to be fully ground in agate mortar.
1c, the powdered carbon after grinding poured into beaker, after adding a small amount of pure water tentatively scattered, is transferred in 2000mL graduated cylinders,
Graduated cylinder is filled it up with pure water, glass bar is sufficiently stirred, then with ultrasonic oscillation 20min, reaches even suspension.
1d, 1 h is stood, suspension is collected with the powdered carbon suspension of more than 25cm in siphonage taken amount cylinder, then with suction method
In powdered carbon particulate on filter paper.
Wherein, by calculating the powdered carbon suspension for needing especially to choose more than 25cm in graduated cylinder, therefore it is specifically designed following rainbow
Suction method separator, including graduated cylinder 207 and glass siphon, between the long end 202 of the glass siphon and short end 201 away from
From the wall thickness 1-2mm more than graduated cylinder, extension 203, the extension are formed after the horizontal buckling of long end 202 of the glass siphon
Piston 204 is provided with pipe 203, the end connection rubber tube 206 of the extension 203, the sebific duct 206, which stretches to, holds powdered carbon
In the container 206 of suspension；Barrel 207 of the glass siphon along graduated cylinder inserts；The short end distance of the glass siphon
More than bottom surface 25cm in graduated cylinder.
In use, installing as shown in Figure 5, the short end that will be filled with the glass siphon of liquid is placed in graduated cylinder, Ran Houkai
The piston at extension is opened, liquid causes negative pressure, while the liquid in graduated cylinder in pipe upper end i.e. because Action of Gravity Field in pipe by flowing out
Because the effect of atmospheric pressure flows into short end.So, liquid is by continuous automatic flowing, until liquid level is down to entering for siphon pipe in graduated cylinder
Untill at mouthful, the powdered carbon suspension with more than 25cm in siphonage taken amount cylinder is completed.
Using the waterpower sedimentation of settling methods, using homemade siphonage powdered carbon separator, powdered carbon particulate is carried out
Separation, the method can efficiently separate the powdered carbon particulate of required granularity from powdered carbon.
1e, the filter paper that will adhere to powdered carbon particulate, powdered carbon in evaporating dish, are dried in 100 ~ 105 DEG C of baking ovens up,
Powdered carbon slabbing is opened and part tilts.
1f, evaporating dish is taken out, by the face-down back-off of powdered carbon in evaporating dish, medication spoon raps the filter paper back side, and powdered carbon layer is automatic
Come off, never scrape powdered carbon layer.
1g, by gained powdered carbon particulate, pour into agate mortar and be fully ground again, it is micro- less than 10 μm of powdered carbon to obtain granularity
Grain, collection are placed in standby in drier.
（2）, powdered carbon titer preparation
2a, the powdered carbon that 20.00mg is prepared is weighed with scale division value 0.01mg balance, be placed in 100mL beakers, add pure water
30-50mL, 2% peregal solution 2 is added to drip, glass bar tentatively stirs, then with ultrasonic oscillation 20min, makes its fully dispersed.
2b, the dense suspension being dispersed through all moved into 2000mL volumetric flasks, 3/4 is diluted to pure water, after shake well,
With ultrasonic oscillation 15min, liquid surface foam and air entrapment are removed.
2c, with pure water suspension is diluted to volumetric flask groove, after shake well, with ultrasonic oscillation 15min, fills it
It is scattered, obtain the powdered carbon titer that amount containing powdered carbon is 0.01mg/mL.
（3）, filtering the scraps of paper choosing system
Make the disk filter paper one used in collection powdered carbon particle when the filter paper used in standard colorimetric plate is tested with ash discharge
Cause, the background colourity of the two is consistent, and selected color board answers uniformity with the whiteness of filter paper.
Assay laboratory often makes solution be separated with solid by the use of filter paper as filter medium, mainly has quantitative analysis filter paper, determines
Property the analytical paper and class of chromatography qualitative analysis filter paper three, there is good strainability, there is strong absorbent properties to liquid, but
Be they papery is loose, low intensity, be not suitable for making filter paper disk and be used for ash discharge experiment.Concenrated air filter paper of glass fiber
（Hereinafter referred to as glass filter paper）A kind of high efficiency filter material, have thermal conductivity factor is small, air flow resistance is low, filter efficiency is high,
The features such as heat-resisting, corrosion-resistant, nontoxic.In the industries and research work such as national defence, coal, food, medicine, electronics, instrument, extensively
It is general and be efficiently used for dust-proof, gas defence, fungi-proofing and purification of air.
Now, filter paper instead of previous filter paper containing asbestos completely made of borosilicic acid salt form ultra-fine fibre glass,
As manufacture breathing mask, efficiently（Filter efficiency 99.97% ~ 99.99999%）It is and sub- efficient（Filter efficiency 99.0% ~
99.9%）Air cleaner, filtering accuracy reach 5 μm, 3 μm even 1 μm high-precision liquid filter and high temperature, high humidity or
The main product of corrosive fluid filtering filter paper, occupies critical role in filtering material.The present embodiment selects glass filter paper
As color board making material.
The technical requirements of selected filter paper are as follows：
1）Outward appearance：Smooth, uniform, crack-free, fluffiness, no impurity for influenceing performance are present；
2）Thickness：≥0.4mm；
3）Resistance：390Pa；
4）Tensile strength：Vertical >=440N/m, horizontal stroke >=350N/m；
5）Resistance to broken ability under ash discharge experimental condition：21 ~ 24 air mass flow 60L/min, respiratory rate/min pulse air
Stream, 1min test period interior diameter 38mm filter paper disks are not broken；
6）Wettability：Under the conditions of suction filtration, filter paper can be spontaneously wet out by water, and first time wetting time is not more than 30s；
7）Powdered carbon Equalsettlement：If wettability is preferable, under the conditions of suction filtration, powdered carbon can uniform settlement to filter paper table
Face；
8）Whiteness：If all of the above performance meets the requirements, random test whiteness value 10 times, relative standard deviation≤0.5%.
The filter paper chosen is cut into length of side 60mm square plate, used for making color board.The filter paper that will be chosen
Φ 38mm disk is punched into, supply and discharge ash experiment uses.The quantity of the filtering scraps of paper dosage can be decided in its sole discretion as needed.
（4）, make standard curve
4a, installation filter, the used filter paper of color board is sandwiched in filter；
Wherein, following filter, including glass bottle with frosted glass opening 101 and sand core funnel are designed, as shown in Fig. 2 the core
Funnel includes infundibular body 102, and the neck root of the infundibular body 103 is connected with frosted mouth base 103, the frosted mouth base
103 have been formed integrally with the top portion vacuum orifice 105；The top of the infundibular body 102 is provided with core filter plate 104.Such as Fig. 4 institutes
Show, the sand core funnel is installed on glass bottle with frosted glass opening 101 using frosted mouth base 103；Dock and put on the infundibular body 102
Water conservancy diversion container 106 is equipped with, color board is placed between the outlet of the water conservancy diversion container 106 and infundibular body 102 with being used after filter paper 100
Fixture 107 grips.In use, installing as shown in Figure 4, effective filtering surface of filter is Φ 40mm border circular areas, such as
Shown in Fig. 7.
Powdered carbon titer filtering is carried out using above-mentioned filter, its suction filtration face and upper container can be freely separating and pass through
Special clip clamping, in that context it may be convenient to the filtering scraps of paper are sandwiched between suction filtration face and upper container, it is convenient after the completion of suction filtration to take out；
The filter is that core filters face, good supporting role can be not only played to filter, and draft is uniform, and powdered carbon can be made equal
Even sedimentation.
4b, the vacuum orifice of filter is connected with vavuum pump, opens vavuum pump, it is with pure water that color board filter paper is anti-
Soak 8-12 times again, shorten wetting time interval as far as possible.When soaking for the first time, water spends the time longer by filter paper, about needs
10 ~ 15 seconds are wanted, hereafter can be run through.
4c, filtering powdered carbon
Take the 0.01mg/mL of certain volume powdered carbon titer to be placed in the water conservancy diversion container on filter top, start vacuum
Pump, powdered carbon is filtered onto color board filter paper；To ensure powdered carbon Equalsettlement, it should be specifically noted that filtering speed, vacuum
Can not be too high.Generally, vacuum is -26~32kPa, powdered carbon titer is passed through filtering with 7~11mL/s speed
Paper.
4d, after the completion of filtering, color board filter paper is removed, at ambient temperature, color board is dried with filter paper, treated
Survey whiteness value；
4e, the powdered carbon amount according to two ranks in color board, according to 4a ~ 4d method, more than five kinds are made containing difference
The color board filter paper of powdered carbon amount；Every kind of powdered carbon content makes multiple parallel color board filter papers.
The color board filter paper of five kinds of different powdered carbon contents, the filter area per a diameter of 30mm are prepared in the present embodiment
Upper powdered carbon amount is respectively：0.06mg、0.12mg、0.18mg、0.24mg、0.30mg.By calculating, for a diameter of 40mm mistake
Filter paper square plate, 0.01 mg/mL powdered carbon titer volumes 10.7mL, 21.3mL are taken respectively（Ith grade）、32.0mL、42.7mL
（IIth grade）, 53.3mL make color board, each point makes 6.
4.6 determine whiteness value with whiteness instrument, calculate the average whiteness value of each point.
4f, the whiteness value for determining with whiteness instrument color board filter paper respectively, the color board for calculating every kind of powdered carbon content are used
The average whiteness value of filter paper.
4g, using additional charcoal silty amount as x-axis, average whiteness value is y-axis, makees whiteness value-additional charcoal silty amount standard curve,
The calcium of logarithmic relationship is obtained, according to calcium（Correlation should be greater than 0.99）, calculate the Ith grade, the IIth grade
Theoretical whiteness value.
（5）, make color board
5a, the method according to 4a ~ 4d, the alternative color board filter paper of two ranks is made respectively；Same rank it is standby
Color board is selected to be produced once 60 with filter paper, alternately color board.
Ith grade：Take the mL of 0.01 mg/mL powdered carbons titer 21.3.
IIth grade：Take the mL of 0.01 mg/mL powdered carbons titer 42.7.
5b, the whiteness value with whiteness instrument measure color board filter paper, by the average whiteness value of each rank and the rank
Theoretical whiteness value be compared, error should be less than 1%.
5c, in the color board filter paper of each rank, selection with colorimetric of the theoretical whiteness value error within ± 2%
Plate filter paper, for making color board.
5d, the disk for being punched into filtering surface of the color board chosen with filter paper Φ 38mm, cut into it is semicircle with
It is convenient to compare；The semicircle 1 for the Ith grade and the semicircle 1 for the IIth grade are respectively selected, sandwiches lucite chuck
In, the attached operation instruction in the back side, while organic glass clamp is fixed with rivet, standardized level difference color board is obtained, as shown in Figure 6.
The quality mentioned in the colorimetric board manufacturing method of the present embodiment, volume, time, temperature etc. require, can be according to reality
Border situation has been changed, such as the powdered carbon below the mesh of 5g 300 plus 30 ~ 50mL of water, concussion 20min, 100 ~ 105 DEG C of oven temperature
Deng；Take the method used in powdered carbon suspension to be not limited to siphonage, liquid mode can also be taken using other, such as liquid separation method；For
The filtering scraps of paper of powdered carbon titer filtering can also be made as other shape, such as Φ 60mm circle；Chromatographic solvent filter
Size can change, as long as calculating corresponding additional charcoal silty amount and carbon dust titer volume.
It should be noted last that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although ginseng
According to embodiment, the present invention is described in detail, it will be understood by those within the art that, to technical scheme
Modify or equivalent substitution, without departure from the spirit and scope of technical scheme, it all should cover the present invention's
In claims.
Claims (5)
- A kind of 1. preparation method of canister mouth neck ash discharge standardized level difference color board, it is characterised in that：Comprise the following steps：（1）, powdered carbon prepare1a, activated carbon or impregnated carbon ground, obtain the powdered carbon below 300 mesh；1b, powdered carbon is taken to be fully ground in agate mortar；1c, the powdered carbon after grinding poured into container, after adding pure water tentatively scattered, be transferred in graduated cylinder, added graduated cylinder with pure water Full, glass bar is sufficiently stirred, then with ultrasonic oscillation, reaches even suspension；1d, 1 h is stood, 25 more than cm powdered carbon suspension in taken amount cylinder, then collect the powdered carbon particulate in suspension with suction method In on filter paper；1e, the filter paper that will adhere to powdered carbon particulate, powdered carbon in evaporating dish, are dried, powdered carbon in 100 ~ 105 DEG C of baking ovens up Slabbing is opened and part tilts；1f, evaporating dish is taken out, by the face-down back-off of powdered carbon in evaporating dish, rap the filter paper back side, powdered carbon layer Automatic-falling；1g, by gained powdered carbon particulate, pour into agate mortar and be fully ground again, collection is placed in standby in drier；（2）, powdered carbon titer preparation2a, the powdered carbon for weighing ormal weight, are placed in container, add pure water, add 2% peregal solution 2 to drip, preliminary stirring, then with ultrasonic Ripple shakes, and makes its fully dispersed；2b, the dense suspension being dispersed through all moved into volumetric flasks, be diluted to 3/4 with pure water, after shake well, shaken with ultrasonic wave Swing, remove liquid surface foam and air entrapment；2c, with pure water suspension is diluted to volumetric flask groove, after shake well, with ultrasonic oscillation, makes its fully dispersed, obtain Amount containing powdered carbon is 0.01mg/mL powdered carbon titer；（3）, filtering the scraps of paper choosing systemIt is consistent to make the disk filter paper collected when the filter paper used in standard colorimetric plate is tested with ash discharge used in powdered carbon particle；（4）, make standard curve4a, installation filter, the used filter paper of color board is sandwiched in filter；4b, filter is connected with vavuum pump, opens vavuum pump, be repetitively wetted color board 8-12 times with filter paper with pure water；4c, filtering powdered carbonTake 0.01mg/mL powdered carbon titer to be placed in the water conservancy diversion container on filter top, start vavuum pump, powdered carbon is filtered and arrived On color board filter paper；4d, after the completion of filtering, color board filter paper is removed, at ambient temperature, color board is dried with filter paper, it is to be measured white Angle value；4e, the powdered carbon amount according to two ranks in color board, according to 4a ~ 4d method, make more than five kinds and contain different powdered carbons The color board filter paper of amount；Every kind of powdered carbon content makes multiple parallel color board filter papers；4f, the whiteness value for determining with whiteness instrument color board filter paper respectively, calculate the color board filtering of every kind of powdered carbon content The average whiteness value of paper；4g, using additional charcoal silty amount as x-axis, average whiteness value be y-axis, makees whiteness value-additional charcoal silty amount standard curve, acquisition The calcium of logarithmic relationship, according to calcium, calculate the Ith grade, the IIth grade of theoretical whiteness value；（5）, make color board5a, the method according to 4a ~ 4d, the alternative color board filter paper of two ranks is made respectively；The alternative ratio of same rank Colour table is produced once multiple, alternately color board with filter paper；5b, the whiteness value with whiteness instrument measure color board filter paper, by the average whiteness value of each rank and the reason of the rank It is compared by whiteness value, error should be less than 1%；5c, in the color board filter paper of each rank, selection is used with color board of the theoretical whiteness value error within ± 2% Filter paper；5d, required disk is punched into filtering surface of the color board chosen with filter paper, cuts into semicircle；Respectively select to be used for Ith grade of semicircle 1 and for the IIth grade of semicircle 1, is sandwiched in lucite chuck, while is fixed with rivet organic Glass clamp, obtain standardized level difference color board.
- 2. the preparation method of canister mouth neck ash discharge standardized level difference color board according to claim 1, it is characterised in that：Step In rapid 4e, the color board filter paper of five kinds of different powdered carbon contents is prepared, powdered carbon amount is divided in the filter area per a diameter of 30mm It is not：0.06mg、0.12mg、0.18mg、0.24mg、0.30mg.
- 3. the preparation method of canister mouth neck ash discharge standardized level difference color board according to claim 1 or 2, its feature exist In：The color board selects Concenrated air filter paper of glass fiber with filter paper.
- 4. the preparation method of canister mouth neck ash discharge standardized level difference color board according to claim 1, it is characterised in that：Step Filter in rapid 4a includes glass bottle with frosted glass opening（101）And sand core funnel, the sand core funnel include infundibular body（102）, institute State infundibular body（102）Neck root be connected with frosted mouth base（103）, the frosted mouth base（103）Top one Formed with vacuum orifice（105）；The infundibular body（102）Top core filter plate is installed（104）；The sand core funnel utilizes Frosted mouth base（103）It is installed on glass bottle with frosted glass opening（101）On；The infundibular body（102）Upper docking is placed with water conservancy diversion container（106）, the water conservancy diversion container（106）Outlet and infundibular body （102）Between place color board filter paper（100）After use fixture（107）Grip.
- 5. the preparation method of canister mouth neck ash discharge standardized level difference color board according to claim 1, it is characterised in that：Step Powdered carbon suspension is measured using siphonage powdered carbon separator in rapid 1d, the separator includes graduated cylinder（207）With glass siphon Pipe, the long end of the glass siphon（202）And short end（201）The distance between be more than graduated cylinder（207）Wall thickness 1-2mm, institute State the long end of glass siphon（202）Extension is formed after horizontal buckling（203）, the extension（203）On be provided with piston （204）, the extension（203）End connection rubber tube（205）, the sebific duct（205）Stretch to and hold powdered carbon suspension Container（206）In；The glass siphon is along graduated cylinder（207）Barrel insertion；The short end of the glass siphon（201）Distance Graduated cylinder（207）Interior more than bottom surface 25cm.
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| CN105148422B true CN105148422B (en) | 2018-02-27 |
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| CN101571490A (en) * | 2008-04-30 | 2009-11-04 | 罗艺斌 | Method for preparing PH test paper standard colorimetric plate and colorimetric plate produced by same |
| CN201497641U (en) * | 2009-09-27 | 2010-06-02 | 上海大学 | Testing apparatus for canister caliber ash discharge |
| KR101349965B1 (en) * | 2012-03-27 | 2014-01-16 | (주)소하테크 | Carbon dioxide analyzer having integral filter |
| CN204389382U (en) * | 2014-12-18 | 2015-06-10 | 天津鹰麟节能科技发展有限公司 | Fast-type boiler flyash carbon content color board |
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2015
- 2015-07-23 CN CN201510435853.2A patent/CN105148422B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571490A (en) * | 2008-04-30 | 2009-11-04 | 罗艺斌 | Method for preparing PH test paper standard colorimetric plate and colorimetric plate produced by same |
| CN201497641U (en) * | 2009-09-27 | 2010-06-02 | 上海大学 | Testing apparatus for canister caliber ash discharge |
| KR101349965B1 (en) * | 2012-03-27 | 2014-01-16 | (주)소하테크 | Carbon dioxide analyzer having integral filter |
| CN204389382U (en) * | 2014-12-18 | 2015-06-10 | 天津鹰麟节能科技发展有限公司 | Fast-type boiler flyash carbon content color board |
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