CN101813456A - New method and special device for quality detection of expanded steel fireproof paint coating - Google Patents
New method and special device for quality detection of expanded steel fireproof paint coating Download PDFInfo
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- CN101813456A CN101813456A CN200910174256A CN200910174256A CN101813456A CN 101813456 A CN101813456 A CN 101813456A CN 200910174256 A CN200910174256 A CN 200910174256A CN 200910174256 A CN200910174256 A CN 200910174256A CN 101813456 A CN101813456 A CN 101813456A
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Abstract
The invention discloses a new method and a special device for quality detection of an expanded steel fireproof paint coating, which relates to the field of digital electronic amplification and detection. The method is realized by using the special device to detect the quality of the expanded steel fireproof paint coating. The special device can send out buzzer alarms for detected points with unqualified thickness of the fireproof paint coating and can form objective, fair and electronic original records containing the section photographs of the coating. The invention can be used for quickly and accurately measuring the thickness, the flatness and the brushing quality of the fireproof paint coating and solves the detection problem that people can not detect the quality of concealed work quality after construction.
Description
Technical field the invention belongs to the detection of fire prevention gunite work construction quality, particularly uses inferior materials and turns out substandard goods or mingles the new method that the expansion steel-structure fireproofing coating coating of behavior detects and the isolated plant of implementing this method relates to technical fields such as digital magnifier Yuan Li Photo phase, ceramic tool manufacturing, computer software metering often existing at present.
Background technology at present in the detection of fire prevention gunite work quality emphasis be the expanded steel fireproof paint coating quality testing, because steel fireproof paint has three kinds: what 3mm was following is super book type, price per ton units up to ten thousand, 3～7mm's is book type, thousands of units per ton, 7～50mm has only hundreds of units (wherein the following frie retardant coating of 7mm is an intumescent, and the above thick type frie retardant coating of 7mm is a non-expansion type) for thick type is per ton.Owing to there is not good detection means at present, if do partly to mingle with common coating, be difficult for being found, the construction party profit is very high, the fire-resistant requirement that the problem of mingling this coating causes the building iron member not reach regulation, thus the fire safety of buildings in serious threat.
Detect the method for expanding fire-proof paint now and only use magnetic thickness tester (surveying 5mm) and vernier caliper (surveying the coating of 5～7mm) with interior coating.Present method only knows whether its thickness is qualified, does not know in the The thickness whether all be real frie retardant coating, has general coating of no use to make up the number below the frie retardant coating layer.
Fire-fighting scientific research institution, the present the most authoritative Sichuan of domestic detection frie retardant coating for the method that solves this difficult problem and take is: require various places to detect department expanding fire-proof paint is detected as strict as possible, than " GB50205-2001 appendix F fire-resistant coating for steel structure coating thickness determination method " stricter method is to inspect by random samples in 30% ratio, specifically be steel fine strain of millet, steel column adopts every meter and is no less than two points, steel plate is no less than three points for every square metre, after measuring its thickness, re-use special-purpose Spray rifle and do the combustion in situ test, the essential burning of each point 15 minutes sees whether it reaches the requirement of expansion coefficient.But the long girder steel photocombustion of each meter will be consuming time 30 minutes, complex operation, and work efficiency is low, belong to destructive again and detect, and the requirement of fire-fighting scientific research institution is not national regulation, the standard that neither carry out, not authoritative, is not therefore implemented.
In detection range, is there there better method at present? the inventor retrieves on the net and has consulted a large amount of detection techniques, and " magnetic thickness measuring method " " thickness measurement of eddy current method " " ultrasonic thickness test method " " optical microscope adds the coating postmortem method " arranged.Preceding two kinds of methods can be surveyed its thickness, can not see the cross-section structure of coating.And " ultrasonic thickness test method " is though can see section, level, but because the frie retardant coating of different manufacturer production prescription is different, their velocity of sound just can be not the same, removes to survey its thickness with the same velocity of sound and can produce certain error unavoidably, can not finish the task of measuring coating thickness simultaneously." the WT-455 optical microscope coating detection instrument " that Germany produces can only be surveyed the following coating of 2mm and all detection requirements of expanding fire-proof paints of no Fa Full foot at present though also be the coating postmortem method, uses extremely inconvenience, costs an arm and a leg.
Summary of the invention
In order to solve the technical matters of above-mentioned detection concealed work internal soundness, " new method of expanded steel fireproof paint coating quality testing " provided by the present invention reaches " special detection device " and can solve this difficult problem.Below content of the present invention is described in further detail:
A kind of being used for of the present invention to the new method of steel building fire prevention gunite work at the expanded steel fireproof paint coating quality testing, be to quote homemade USB to Shuo the device that special tool and the computer of Ma Photo phase magnifier and inventor design make up, detected coating is directly carried out dissection and analysis, and with the digital imaging technique of high precision, automatically generate the raw readings of the electronic edition that contains digital photograph, form a kind of semi-automatic new method that detects.
Comprise following three contents:
(1) coat thickness detection.Earlier with a blank pen on the test point of choosing horizontal standardized Dao ?straight line, by hold have special tool special detection device Dui Zhun ?line dope layer is directly dissected into the groove on monolateral inclined-plane, enlarging lens is just in time aimed at the groove part of ?line then, measures little damage detection method of fireproof paint coating thickness according to the width of groove.(because the catling angle is 45 degree, the inclined-plane of dissection becomes miter angle tg45 degree=1 with the steel construction surface, so, coating thickness=1/2 groove width).
(2) coating profile detects.The image that the groove that marks by the dedicated tool device that uses special two-sided blade shows detects the section of fire resistant coating, automatically analyze its thickness and whether coating section color and luster is even according to the aberration width of different coating, judge that whether the inner coating quality of concealed work meets the requirements (must have its thickness of antirust coat of steel substrate surface generally to have only 0.05mm), guarantees not have in the frie retardant coating layer and mingles layer.
(3) fire resistance detects.Under the situation of, qualified, the whole frie retardant coating face of coating flatness look up to standard, uniform quality, re-use the fire-retardant fireproof performance that " some firing methods " confirms coating itself when frie retardant coating coating quality, thickness.Promptly use special-purpose Spray rifle that some points (surface) of fire resistant coating are done 15 minutes test of combustion in situ, see whether it reaches expansion coefficient, whether qualified with the own character of material (performance) of determining described fire resistant coating.
The foregoing invention special detection device is a kind of isolated plant that is used for the expanded steel fireproof paint coating quality testing, by three most compositions.
(1) contains resin lens and the intelligent digital hiccough that is carved with 100 calibration measurement scale.
(2) be fixed on intelligent digital hiccough front, the special ceramic tool device of scalable 0～7mm.(mediator made from compound substance is combined into one, two parts the detector of isolated plant again to see accompanying drawing 2..) see accompanying drawing 1.
(3) join a small-sized net book computer.
It is characterized in that:
(1) cutter head of the detector of handheld specialized device and camera lens reach paddle-tumble, measure and once finish in the same side, and is convenient to use.
(2) band is carved with the resin lens that 100 calibration are accurately measured scale on the camera lens, is characterized in measuring afterwards earlier amplifying.Measuring accuracy: ± 0.01mm.
(3) be made into according to 0.02 grade of vernier caliper principle of precision and can fix above-mentioned cutter, can make it reach flexible regulatable device again.Can mix up the height of cutter head extending apparatus according to coated designs thickness in advance, to guarantee detector hiccough central axis and the verticality on steel construction plane and verticality on double cutting edge and steel construction plane when working, equal to have guaranteed the inclined-plane of coating and the accuracy that the steel construction plane forms 45 degree simultaneously, thereby guarantee the precision of measurement.
(4) screen character editor: can be at first position of screen, the design thickness of importing engineering unit title, unit in charge of construction's title, qualification grade, Grade numbers and expanding fire-proof paint in advance is so that whether qualified the computer-made decision measurement result is.
(5) display mode: by the test of existing " fire-resistant coating for steel structure application technology standard " regulation, pillar is got a cross section every 3 meters and is surveyed four faces, and beam is got 3 faces.After The point measurement clear picture, hand is tripped and is promptly formed one of digital image, demonstrates one-tenth-value thickness 1/10 and the average thickness values of automatic accumulation calculating and the total thickness value of substrate surface coating of measurement point (post, beam) frie retardant coating simultaneously automatically in the screen upper right corner.And can be processed in units with post, fine strain of millet, plate respectively with coating thickness record, accumulation automatically, the storage of averaging respectively.Simultaneously by software with it from vertical paddle-tumble, rotate to be horizontal paddle-tumble.Automatically form B, B+B, B+M, M demonstration from one, with a pillar, fine strain of millet, a block plate is four photos of pillar that unit forms four faces respectively, three photos of the beam of three faces, plate be a face with regard to a photo, the open-and-shut flatness that has shown coating on whole post, fine strain of millet, each face of plate, so that judge qualified defectively automatically, every photo all has numbering with the mapping material object.The quality level that has shown unit in charge of construction is so underproofly firmly done over again, and guarantees that it is up to standard.Screen Lower Half image shows date, clock, multiplying power 5～20 is adjustable.
(6) warning function: when the buzzer that occurs the time sending warning automatically in the overproof underproof position of thickness in detection reminds the testing staff to make a mark at the The position, so that the personnel that do over again are difficult to find.When layer occurring mingling or not doing antirust processings on request, evidence obtaining provides foundation to law enforcement agency's punishment and is defined as defectively, should require thoroughly to do over again.Guarantee that protection works are qualified effectively.
(7) memory function: the numeration of display photos (sequence number) and store digital photograph 500～1000 width of cloth automatically, its effect be the record testing staff in the one-time detection task, whether counting of actual detected enough as requested, put in place, with the quality that guarantees to detect.And contain the raw readings of the electronic edition of coating thicknesses such as digital photograph and post, fine strain of millet, plate with formation by the digital imaging technique of high precision.In computer software design, allow the database input information can only be from detector, the input that does not receive computor-keyboard is accomplished and can not artificially be changed, and reaches objective, just, true.Also reflect simultaneously testing staff's work quality, can stand descendant's supervision and check.
Beneficial effectUtilize provided by the invention being used for " new method of expanded steel fireproof paint coating quality testing ", and thickness and section that " isolated plant " can measure coating rapidly accurately can enlarge area of detection, solved the difficult problem that this concealed work of checking the coating internal soundness detects.Realized that little damage detects, and contains the detection of having covered all expanded steel fireproof paint coating quality.Both compliance with environmental protection requirements was saved great amount of manpower and material resources again, and accuracy height, fast, the high efficiency of easy to operate, detection speed.Simultaneously testing process is write down automatically the raw readings of the electronic edition that forms objective and fair, both met the requirement of China Metrology Accreditation department, the work quality that can reflect the testing staff again is in order to verifying from now on, can also mingle the engineering evidence obtaining of cracking down on counterfeit goods to typical interlayer in case of necessity.
The present invention is that present digital magnetic thickness tester, optical microscope coating detection instrument are incomparable.The present invention can improve the security against fire of steel building greatly, has improved the scientific and technological content of testing, and the effect that promotes and promote has been played in the fire-fighting testing.
Description of drawings
Fig. 1. be hand-held detector planimetric map of the present invention.
Among the figure:
The 1st, contain the intelligent digital hiccough that 100 calibration are measured the scale resin lens.
The 2nd, can fix special ceramic tool according to what vernier caliper principle and high-abrasive material thereof were made into, again the adjustable device of flexible.
The 3rd, the mediator that the compound substance that oral cavity dentistry is used is made.
The 4th, the position of ceramic tool.
Fig. 2. be can fix special ceramic tool, can make it reach the detail drawing of flexible regulatable device again according to what 0.02 grade of vernier caliper principle of precision and high-abrasive material thereof were made into.
Among the figure:
The 1st, the position of white metal Stupalox.
The 2nd, " main scale " in the vernier caliper.
3 stop Luo Si.
The 4th, " vernier scale " in the vernier caliper here is with " main scale " relative motion partly, but the limited maximum of its stroke to have only 7mm also be the greatest limit one-tenth-value thickness 1/10 of expanding fire-proof paint.Usually rarely found, the thickness of most ultra-thin fire-resistant coatings is about 2mm, and slim frie retardant coating is at the 4mm top/bottom latitude.
The 5th, the part of " main scale " body projection is convenient to big mother and is referred to " main scale " slide.
Fig. 3. be the three-view drawing of special white metal Stupalox.Monolateral inclination 45 degree of characteristics and band double cutting edge are measured precision to guarantee the smooth straight favourable raising in the groove both sides of marking.
Embodiment
The first step: particulate metal sintex is fixed in the device of band vernier caliper principle with double faced adhesive tape or glue.
Second step: it is a detector that the mediator that the compound substance that uses with oral cavity dentistry is made is buckled with glue Huo said apparatus as Key method connects and composes digital magnifier.
The 3rd step: be connected by USB skewer mouth with detector with the pocket diary computer.
The 4th step: edit a software,, can not revise to reach objective, just to level, thickness, record, the processing of the identification coating of the width of the trench interface of drawing cutter and marking, aberration and require to provide from detector in order to realize computer from computor-keyboard to become the raw readings of reflection coating brushing quality worthy of the name to the data of measuring the raw readings that generates.
Claims (2)
1. the present invention is a kind of isolated plant that is used for the expanded steel fireproof paint coating quality testing, and its hardware is by three most compositions.
(1) contains the intelligent digital hiccough that is carved with 100 calibration measurement scale eyeglass.
What (two) have 0.02 grade of a precision moulds Tu vernier caliper principle and high-abrasive material thereof, is made into scalable regulation and control 0～7mm, can fix the device of above-mentioned ceramic tool again.
(3) join a small-sized net book computer.
The claim of this isolated plant is characterized in that:
(1) special ceramic tool and camera lens are in the same side.See Figure of description 1.
(2) has particulate metal sintex of double cutting edge shape.See Figure of description 3.
(3) precision for guaranteeing to measure, special cutter flexible is adjustable.
(4) warning function: the buzzer that can send warning when the underproof position of frie retardant coating coating quality occurring in detection automatically reminds the testing staff to make a mark at the The position, so that the personnel that do over again are difficult to find.
2. the claim of an expanded steel fireproof paint coating quality testing new method is characterized in that,
(1) coat thickness detection method: the groove width that marks by special ceramic tool is measured little damage detection method of fireproof paint coating thickness.
Whether (2) section detects: the image that the groove that marks by the dedicated tool device that uses special two-sided blade shows detects the section of described frie retardant coating layer, analyze the inner coating quality of concealed work automatically according to aberration and meet the requirements.Can see that according to cross-section structure whether qualified the antirust processing of steel surface is, and the consistance of inner level and designing requirement, guarantee not have in the frie retardant coating layer and mingle layer.
(3) under the situation of, qualified, the whole frie retardant coating color of coating flatness up to standard, uniform quality, re-use " some firing methods " and confirm the fire-retardant fireproof performance of coating itself (be expansivity see the whether requirement of compliant) with conventional gage measuring thickness when frie retardant coating coating quality, thickness.
The testing process of whole use isolated plant generates the raw readings of the electronic edition that contains digital photograph automatically by the digital imaging technique of high precision, forms a semi-automatic new method that detects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910174256A CN101813456A (en) | 2008-09-28 | 2009-09-23 | New method and special device for quality detection of expanded steel fireproof paint coating |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810200799.3 | 2008-09-28 | ||
| CN200910174256A CN101813456A (en) | 2008-09-28 | 2009-09-23 | New method and special device for quality detection of expanded steel fireproof paint coating |
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| Publication Number | Publication Date |
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| CN101813456A true CN101813456A (en) | 2010-08-25 |
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| CN200910174256A Pending CN101813456A (en) | 2008-09-28 | 2009-09-23 | New method and special device for quality detection of expanded steel fireproof paint coating |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507635A (en) * | 2011-10-14 | 2012-06-20 | 上海伊索热能技术有限公司 | Method for measuring heating shrinkage rate of ceramic fiber product |
| CN108318518A (en) * | 2018-01-31 | 2018-07-24 | 华侨大学 | A kind of detection device for expansion type steel structure fire-proof coating heat-proof quality |
| CN109355974A (en) * | 2018-09-20 | 2019-02-19 | 厦门文仪电脑材料有限公司 | A kind of preparation process and method of temperature-sensitive print paper |
| CN112223408A (en) * | 2020-09-18 | 2021-01-15 | 湖南闽新人造板有限责任公司 | Fire retardant production process and equipment |
-
2009
- 2009-09-23 CN CN200910174256A patent/CN101813456A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507635A (en) * | 2011-10-14 | 2012-06-20 | 上海伊索热能技术有限公司 | Method for measuring heating shrinkage rate of ceramic fiber product |
| CN102507635B (en) * | 2011-10-14 | 2013-08-21 | 上海伊索热能技术有限公司 | Method for measuring heating shrinkage rate of ceramic fiber product |
| CN108318518A (en) * | 2018-01-31 | 2018-07-24 | 华侨大学 | A kind of detection device for expansion type steel structure fire-proof coating heat-proof quality |
| CN109355974A (en) * | 2018-09-20 | 2019-02-19 | 厦门文仪电脑材料有限公司 | A kind of preparation process and method of temperature-sensitive print paper |
| CN109355974B (en) * | 2018-09-20 | 2021-07-02 | 厦门文仪电脑材料有限公司 | Preparation process and method of thermosensitive plate paper |
| CN112223408A (en) * | 2020-09-18 | 2021-01-15 | 湖南闽新人造板有限责任公司 | Fire retardant production process and equipment |
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Open date: 20100825 |