CN107389538A - A kind of nitrogen oxides color fastness tester - Google Patents
A kind of nitrogen oxides color fastness tester Download PDFInfo
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- CN107389538A CN107389538A CN201710450278.2A CN201710450278A CN107389538A CN 107389538 A CN107389538 A CN 107389538A CN 201710450278 A CN201710450278 A CN 201710450278A CN 107389538 A CN107389538 A CN 107389538A
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- test
- nitrogen oxides
- storehouse
- tail gas
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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
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention provides a kind of nitrogen oxides color fastness tester, including test warehouse receipt member, nitrogen oxides air supply unit, constant temperature and humidity unit and tail gas treating unit；The test warehouse receipt member includes test storehouse, and test storehouse and rear test storehouse before test storehouse is divided into using dividing plate, preceding test storehouse and rear test orlop portion are communicated, and pre-heating system and sample hanger bracket are provided with preceding test storehouse；Before nitrogen oxides is delivered to by the nitrogen oxides air supply unit by gas path pipe in test storehouse；The constant temperature and humidity unit is tested in storehouse after by steam generator, vapor is delivered to；The tail gas treating unit handles nitrogen oxides by tail gas reaction unit.The tester can simulate actual atmospheric environment, that is, meet specified moisture, temperature, nitrous oxides concentration, and the fabric of particular color is tested in the tester, and the metachromatisms of test specimens is consistent with placing fabric metachromatism in the environment.
Description
Technical field
The invention belongs to weaving face fabric technical field of measurement and test, and in particular to a kind of nitrogen oxides color fastness tester.
Background technology
Blue dyes using anthraquinone as precursor structure, has very bright-coloured coloured light, light fastness, fastness to perspiration, resistance to
Water fastness, fastness to washing and colour fastness to rubbing are preferable, are widely used always in the dyestuff of various performances, such as living
Property dyestuff, disperse dyes etc..
In recent years, increased suddenly from nitrogen oxide emissions such as fire coal, vehicle exhaust, straw burnings in environment, air
Degradation.In coastal or riparian area, in annual 5-10 months, the humidity in air is larger, and environment also constantly warms.In high temperature
In degree, high humility, high concentration nitrogen oxide environment, fabric is dyed or stamp for the dyestuff of precursor structure to anthraquinone,
Fabric easily changes colour.It is embodied in, is placed in atmosphere when fabric folds, at the fabric folding of air contact,
After placing a period of time, fabric is changed colour at folding, and also referred to as sootiness is faded.This metachromatism has in time
Certain regularity, i.e., annual 5-10 months can all occur, and time interval span has the trend for constantly becoming big.
Patent CN104237114 " smoking color firmness tester " describes a kind of sootiness test equipment, and fabric is placed on
Test in storehouse, produce nitrogen oxides by burning gases, fabric is changed.However, by experiment, discoloration will be had occurred and that
Fabric non-color change portion, place test storehouse in test 3 cycle periods, find test fabric do not change colour, be tested face
Coloured light on material is as the coloured light on former fabric.This is due to the test condition that test equipment provides and the condition of real atmosphere
It is not inconsistent, corresponding humidity and temperature environment conditions can not be provided, just causes test fabric the change of exposure at ambient do not occur
Color phenomenon.
The content of the invention
The technical problem of solution：Present invention aim to address existing color fastness tester can not provide corresponding humidity and
The technical problem of temperature environment conditions, there is provided a kind of nitrogen oxides color fastness tester, the tester can simulate actual air
Environment, that is, meet specified moisture, temperature, nitrous oxides concentration, the fabric of particular color is tested in the tester, survey
Fabric metachromatism of the metachromatism of sample with placement in the environment is consistent.
Technical scheme：A kind of nitrogen oxides color fastness tester includes test warehouse receipt member, nitrogen oxides air supply unit, constant temperature
Constant humidity unit and tail gas treating unit；
The test warehouse receipt member includes test storehouse, test storehouse and rear test storehouse, preceding survey before test storehouse is divided into using dividing plate
Examination storehouse and rear test orlop portion are communicated, and pre-heating system and sample hanger bracket are provided with preceding test storehouse；
Before nitrogen oxides is delivered to by the nitrogen oxides air supply unit by gas path pipe in test storehouse；
The constant temperature and humidity unit is tested in storehouse after by steam generator, vapor is delivered to；
The tail gas treating unit handles nitrogen oxides by tail gas reaction unit.
Further, the nitrogen oxides air supply unit is made up of gas cylinder, pressure-reducing valve, magnetic valve and flowmeter, gas cylinder, is subtracted
Connected between pressure valve, magnetic valve and flowmeter by plastic flexible pipe.
Further, the constant temperature and humidity unit is by water tank, steam generator, Temperature Humidity Sensor and circulating water pipe group
Into.
Further, the tail gas treating unit is reacted by air bleeding valve, tail gas blower fan, tail gas adsorption device and tail gas and filled
Composition is put, air bleeding valve, tail gas blower fan, tail gas adsorption device are directly connected with tail gas reaction unit by plastic flexible pipe.
Further, it is additionally provided with NOx sensor in the preceding test storehouse.
Further, the preceding test storehouse is additionally provided with glass vision panel and form lamp.
Further, the preceding test orlop portion is additionally provided with drainpipe.
Beneficial effect：The color fastness tester of the present invention can accurately provide the humidity specified, temperature and prescribed concentration
The test environment of nitrogen oxides is obtained, fabric changes colour in this context, and especially the blue dyes containing anthraquinone ring is in face
Diazo-reaction can occur in this context for the discoloration on material, fabric blue dyestuff, the blue coloured light on fabric is disappeared
Lose and yellowing coloured light, so as to which fabric shows the phenomenon of discoloration.
Brief description of the drawings
Fig. 1 is the nitrogen dioxide color fastness tester structural representation of embodiment 1；
Fig. 2 is that the nitrogen dioxide color fastness tester of embodiment 1 tests storehouse front view；
Fig. 3 is that the nitrogen dioxide color fastness tester of embodiment 1 tests storehouse top view；
Wherein, 1- gas cylinders, 2- pressure-reducing valves, 3- magnetic valves, 4- flowmeters, 5- air inlets, 6- tail gas blower fans, 7- tail gas are inhaled
Adsorption device, 8- tail gas reaction units, 9- tests storehouse, 10- water tanks, 11- steam generators, the warm and humid sensors of 12-, 13- steam connect
Mouthful, 14- NOx sensors, 15- glass vision panels, 16- circulating fans, 17- compressors, 18- discharge pipe lines, under 19- dividing plates
Edge, 20- sample hanger brackets, 21- drain taps, 22- water discharging valves, 23- preheating assemblies, the outlet of 24- discharge pipe lines, 25- are followed
Ring water pipe, 26- form lamps, 27- dividing plates.
Embodiment
The invention will now be further described with reference to specific embodiments, advantages of the present invention and feature will be with description and
It is apparent.It is only exemplary for however, it should be understood that the embodiment, does not form any restrictions to protection scope of the present invention.
It will be understood by those skilled in the art that without departing from the spirit of the invention, can be to the details and form of technical scheme
Modify or replace, but these modifications or substitutions each fall within protection scope of the present invention.
Embodiment 1
As shown in figure 1, a kind of nitrogen oxides color fastness tester, including nitrogen oxides air supply unit, test warehouse receipt member, perseverance
Constant temperature and humidity unit and tail gas treating unit.
The nitrogen oxides air supply unit is made up of gas cylinder 1, pressure-reducing valve 2, magnetic valve 3, flowmeter 4, oxides of nitrogen gas
Flowed out by gas cylinder 1, pass sequentially through pressure-reducing valve 2, magnetic valve 3 and flowmeter 4, test storehouse is delivered to via test storehouse bottom air inlet.
Connected between gas cylinder 1, pressure-reducing valve 2, magnetic valve 3 and flowmeter 4 with pressure-resistant plastic flexible pipe；Pressure-reducing valve 2 and magnetic valve 3 use corrosion resistant
Lose stainless steel.
The test warehouse receipt member includes test storehouse 9, test storehouse and rear test storehouse before test storehouse 9 is divided into using dividing plate 27,
The volume ratio in preceding test storehouse and rear test storehouse is 2:1, the lower edge of dividing plate 27 is away from 1/ that test storehouse distance from bottom is test storehouse height
3, preceding test storehouse and rear test orlop portion are communicated, and preceding test storehouse and rear test remaining position of storehouse are not communicated with.As shown in Figures 2 and 3.
Glass vision panel 15 is provided with preceding test storehouse front, storehouse portion is tested through the observable of glass vision panel 15；In glass vision panel
15 tops are additionally provided with form lamp 26.
Preheating assembly 23 is provided with preceding test silo roof face centre position, for being preheated to preceding test storehouse.
NOx sensor 14 is provided with preceding test storehouse left surface medium position, for the nitrogen oxygen before testing in test storehouse
Compound concentration, the humiture numerical value shown according to sensor, controls whether to be passed through steam, warm and humid to maintain to stablize in test storehouse
Degree state.
Sample hanger bracket 20 is provided with the middle part of preceding test storehouse.Preceding test storehouse is divided into two portions up and down by sample hanger bracket
Point, and two parts communicate completely, have the fixed support for hanger bracket support respectively in preceding test storehouse left surface and right flank, hang
Hanger can be tested in storehouse and freely taken out in the past.
The air inlet 5 of nitrogen oxides air supply unit is among preceding test orlop portion, with test storehouse discharge pipe line outlet 24
The same position among preceding test orlop portion, air inlet 5 are tested storehouse discharge pipe line outlet 24 and stretched out and higher than test storehouse in the past
The horizontal level of discharge pipe line outlet 24.Condensed water in test storehouse can export 24 through discharge pipe line and is emitted into from discharge pipe line 18
Tail gas reaction unit 8, water discharging valve 22 is provided with discharge pipe line 18.
Circulating fan 16 is provided with rear test the top of the warehouse position.
The constant temperature and humidity unit is made up of water tank 10, steam generator 11, warm and humid sensor 12 and circulating water pipe 25.Water
Steam tests storehouse through steam generator 11 after the entrance of vapor interface 13, and vapor interface 13 tests storehouse right flank middle part after being located at；
Temperature Humidity Sensor 12 is positioned at test storehouse right flank top.
The tail gas treating unit includes drain tap 21, tail gas blower fan 6, tail gas adsorption device 7 and tail gas reaction dress
Put 8, the tail gas exhaust outlet that the tail gas tested in storehouse 9 is passed through positioned at the preceding test forward end position of the top of the warehouse pass sequentially through control valve 21,
Tail gas blower fan 6, tail gas adsorption device 7 and tail gas reaction unit 8 are discharged.Test storehouse 9, control valve 21, tail gas blower fan 6, tail
Connected between aspiration adsorption device 7 and tail gas reaction unit 8 using corrosion-resistant plastic flexible pipe.Tail gas reaction unit 8 built with
The soda bath of 1%-2% concentration, it is immersed on the pipeline inside solution and is provided with some apertures.
The test storehouse 9 is located at the top of compressor 17 and water tank 10；The test warehouse receipt member and constant temperature and humidity unit position
Inside color fastness test equipment, nitrogen oxides air supply unit and tail gas treating unit are located at outside color fastness test equipment, respectively
Connected between individual unit with pressure-resistant plastic flexible pipe.
Pre-heating system can lift the temperature in test storehouse rapidly in preceding test storehouse, avoid testing that substantial amounts of water-setting is produced in storehouse
Pearl, so as to avoid reducing the concentration of the sensitivity of NOx sensor and rapid lifting nitrogen dioxide.During test, specify dense
The nitrogen oxides of degree, temperature and humidity can be rapidly reached balance, avoid nitrogen oxides under high-temperature and high humidity itself
The consumption of disproportionated reaction, contribute to the testing time and react the control of precision.When being just passed through test gas, testing in storehouse to occur
The reaction of reaction equation 1, the reaction for the formula 2 that can react after storehouse inner equilibrium to be tested.No matter which kind of reaction can consume titanium dioxide
Nitrogen, produce the very strong nitric acid of corrosivity.Because the relative humidity in whole test storehouse is up to 87.5% ± 2.5%, test in storehouse
Steam in can contain nitric acid, fabric and sensor are impacted.It is fast because oxides of nitrogen gas can react with steam
Test condition is lifted to test condition and is particularly important by speed.The equipment of patent of the present invention, by making rapidly in test storehouse
Indices reach balance, can reduce the error to experimental result.
4NO2+2H2O+O2=====4HNO3↑ (reaction equation 1)
3NO2+H2O=====2HNO3+ NO ↑ (reaction equation 2)
Under high humidity, steam can be internally formed water-setting dew in test storehouse, and water-setting dew eventually flows to after becoming condensed water
Preceding to test orlop portion, preceding test storehouse discharge pipe line exports the water for stretching out and being higher than and test the outlet of storehouse discharge pipe line in patent of the present invention
Prosposition puts the reaction that can avoid water and gas, is advantageous to the precision of test.
Dividing plate is avoided that water vapour is directly blown onto on fabric by circulating fan, and circulating fan passes through preceding test storehouse and rear test
Test storehouse before the place that orlop portion communicates enters, be so advantageous to the uniformity of the water capacity on fabric, so as to lift experiment
Accuracy.
The specific method tested using above-mentioned color fastness tester is as follows：
1st, test prepares
(1) setup test sample and control sample, wherein the 6cm*6cm sizes that sample to be tested is cut into advance, control the length of sample
Spend for 6-8cm.
(2) sample cloth is put into test storehouse 9, and 2 pieces of control standard specimens is put on sample hanger bracket 20, wherein 1 piece is placed on most
The position of glass vision panel 15 is leaned in outside, and another piece is placed on close to the position of dividing plate 19.
(3) a certain amount of water number assigned scale line is added in water tank 10, to maintain the humiture in test storehouse 0.
(4) drain tap 21 and water discharging valve 22 are closed.
2nd, sample cloth is tested
(1) startup power supply, preheating assembly 23 is opened, until after temperature reaches 40 DEG C in test storehouse, closes pre-heating system.
(2) form lamp and control panel are opened.
(3) constant temperature and humidity unit is opened, when 40 DEG C ± 1 DEG C of humiture satisfaction, after 87.5 ± 2.5%RH conditions, is beaten successively
Begun to rehearse penstock 22, the valve of gas cylinder 1, pressure-reducing valve 2, magnetic valve 3, flowmeter 4, and uninterrupted is adjusted to 200-300mL/min models
In enclosing.NOx sensor 14 is observed after about 30min and begins with indicating value, continues to be passed through gas.
(4) condensed water tested in storehouse is discharged by discharge pipe line 18, ensures the concentration of nitrogen oxides in test storehouse.
(5) follow-on test observes the discoloration of a secondary control sample after 2 hours every 20min, until the discoloration of control sample
Degree is consistent with standard specimen, you can completes a test period, typically one test period of completion needs 2.5-3 hours.
(6) after having tested, water discharging valve 22 is closed, opens tail gas blower fan 6 and drain tap 21, discharge test storehouse 9 is surveyed
Gas testing body, gas are discharged after passing sequentially through tail gas adsorption device 7 and the processing of tail gas reaction unit 8.After waste gas discharges, close
Compressor 17, open the test door of storehouse 9 and take out sample cloth, graded.
3rd, sample is graded
Graded according to discoloration gray card, rating scale：GB/T 250.
The non-color change portion of the fabric to change colour in actual environment, 6cm*6cm size is cut into respectively, is put respectively
In fumigation firmness instrument and patent equipment of the present invention
| Experimental facilities | One cycle period | Two cycle periods | Three cycle periods |
| Fumigation firmness instrument | 4 | 4 | 4 |
| Patent equipment of the present invention | 3 | 2 | 0.5-1 |
As can be seen from the table, the fabric tested by patent equipment of the present invention, with the extension of test period, discoloration is got over
It is severe.And fumigation firmness instrument test result be then always maintained at it is constant.
Claims (7)
- A kind of 1. nitrogen oxides color fastness tester, it is characterised in that：Including test warehouse receipt member, nitrogen oxides air supply unit, perseverance Constant temperature and humidity unit and tail gas treating unit；The test warehouse receipt member includes test storehouse, test storehouse and rear test storehouse, preceding test storehouse before test storehouse is divided into using dividing plate Communicated with rear test orlop portion, pre-heating system and sample hanger bracket are provided with preceding test storehouse；Before nitrogen oxides is delivered to by the nitrogen oxides air supply unit by gas path pipe in test storehouse；The constant temperature and humidity unit is tested in storehouse after by steam generator, vapor is delivered to；The tail gas treating unit handles nitrogen oxides by tail gas reaction unit.
- 2. nitrogen oxides color fastness tester according to claim 1, it is characterised in that：The nitrogen oxides air supply unit It is made up of gas cylinder, pressure-reducing valve, magnetic valve and flowmeter, is connected between gas cylinder, pressure-reducing valve, magnetic valve and flowmeter by plastic flexible pipe Connect.
- 3. nitrogen oxides color fastness tester according to claim 1, it is characterised in that：The constant temperature and humidity unit is by water Case, steam generator, Temperature Humidity Sensor and circulating water pipe composition.
- 4. nitrogen oxides color fastness tester according to claim 1, it is characterised in that：The tail gas treating unit is by arranging Air valve, tail gas blower fan, tail gas adsorption device and tail gas reaction unit composition, air bleeding valve, tail gas blower fan, tail gas adsorption device Directly connected with tail gas reaction unit by plastic flexible pipe.
- 5. nitrogen oxides color fastness tester according to claim 1, it is characterised in that：It is additionally provided with before described in test storehouse NOx sensor.
- 6. nitrogen oxides color fastness tester according to claim 1, it is characterised in that：Test storehouse is additionally provided with glass before described Glass form and form lamp.
- 7. nitrogen oxides color fastness tester according to claim 1, it is characterised in that：Test orlop portion is also set before described There is drainpipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710450278.2A CN107389538A (en) | 2017-06-15 | 2017-06-15 | A kind of nitrogen oxides color fastness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710450278.2A CN107389538A (en) | 2017-06-15 | 2017-06-15 | A kind of nitrogen oxides color fastness tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107389538A true CN107389538A (en) | 2017-11-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710450278.2A Pending CN107389538A (en) | 2017-06-15 | 2017-06-15 | A kind of nitrogen oxides color fastness tester |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798509A (en) * | 2020-12-15 | 2021-05-14 | 广州市盛勤实业有限公司 | Fabric transportation simulation test device and fabric transportation simulation test method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2784914Y (en) * | 2005-05-04 | 2006-05-31 | 李文霖 | Sunproof and weatherable colour fastness tester |
| CN2852286Y (en) * | 2005-11-18 | 2006-12-27 | 李文霖 | Display telemeter for colour-fastness-to-light and weathering tester temperature blackboard |
| CN201237570Y (en) * | 2008-07-09 | 2009-05-13 | 温州大荣纺织仪器有限公司 | Solarization climate test machine |
| CN202502086U (en) * | 2012-04-10 | 2012-10-24 | 无锡隆盛科技股份有限公司 | Detection system of nitrogen oxide sensor |
| CN204064868U (en) * | 2014-09-25 | 2014-12-31 | 深圳市瑞锋仪器有限公司 | Smoking color firmness tester |
-
2017
- 2017-06-15 CN CN201710450278.2A patent/CN107389538A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2784914Y (en) * | 2005-05-04 | 2006-05-31 | 李文霖 | Sunproof and weatherable colour fastness tester |
| CN2852286Y (en) * | 2005-11-18 | 2006-12-27 | 李文霖 | Display telemeter for colour-fastness-to-light and weathering tester temperature blackboard |
| CN201237570Y (en) * | 2008-07-09 | 2009-05-13 | 温州大荣纺织仪器有限公司 | Solarization climate test machine |
| CN202502086U (en) * | 2012-04-10 | 2012-10-24 | 无锡隆盛科技股份有限公司 | Detection system of nitrogen oxide sensor |
| CN204064868U (en) * | 2014-09-25 | 2014-12-31 | 深圳市瑞锋仪器有限公司 | Smoking color firmness tester |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798509A (en) * | 2020-12-15 | 2021-05-14 | 广州市盛勤实业有限公司 | Fabric transportation simulation test device and fabric transportation simulation test method |
| CN112798509B (en) * | 2020-12-15 | 2023-02-17 | 广州市盛勤实业有限公司 | Fabric transportation simulation test device and fabric transportation simulation test method |
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Application publication date: 20171124 |