CN113624909A - Building material flammability detection method of waste gas treatment structure - Google Patents
Building material flammability detection method of waste gas treatment structure Download PDFInfo
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- CN113624909A CN113624909A CN202111003404.2A CN202111003404A CN113624909A CN 113624909 A CN113624909 A CN 113624909A CN 202111003404 A CN202111003404 A CN 202111003404A CN 113624909 A CN113624909 A CN 113624909A
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- 239000004566 building material Substances 0.000 title claims abstract description 74
- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 239000002912 waste gas Substances 0.000 title claims abstract description 28
- 238000005260 corrosion Methods 0.000 claims abstract description 38
- 230000007797 corrosion Effects 0.000 claims abstract description 38
- 239000007789 gas Substances 0.000 claims abstract description 26
- 238000005498 polishing Methods 0.000 claims abstract description 10
- 238000004381 surface treatment Methods 0.000 claims abstract description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 6
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 claims description 3
- 239000003570 air Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000011156 evaluation Methods 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a building material flammability detection method of a waste gas treatment structure, which comprises the following steps: s1: making samples, namely selecting building materials to prepare ten samples; s2: grouping treatment, namely equally dividing ten groups of samples into a conventional group and a corrosion group, wherein the conventional group and the corrosion group are respectively five samples; s3: sample surface treatment, namely respectively polishing the surfaces of the samples of the conventional group and the corrosion group; s4: and (3) corrosion treatment, namely after the surface of the corrosion group is polished, placing a corrosion group sample in a corrosive gas environment: s5: and (4) igniting, namely respectively placing the conventional group and the corrosion group in a closed space for ignition. The invention respectively polishes and corrodes the surface of the building material, can simulate the accurate evaluation of the building material flammability after the surface of the building material is abraded and corroded in the waste gas treatment process, can more accurately detect the building material flammability, and has more convincing effect because the detection mode is closer to the actual application environment.
Description
Technical Field
The invention relates to the technical field of building material flammability detection, in particular to a building material flammability detection method of a waste gas treatment structure.
Background
Along with the rapid development of industrial production, the emission of waste gas produced in the industrial production process is gradually increased, the emission of waste gas is also damaging the living environment of people, and the pollution of air, water and geology is caused, but along with the gradual improvement of the environmental awareness of people, people also treat the waste gas produced in the industrial production process, and through a waste gas treatment device, the waste gas produced in the industrial production process can be treated, so that the pollution of the waste gas to the environment is greatly reduced.
And the building materials of choosing among the exhaust treatment device are after using for a long time, because the composition in the waste gas is complicated, possess higher temperature and certain corrosivity when some waste gas is discharged, can mix with the particulate matter in some waste gas simultaneously for waste gas can lead to the fact certain destruction to exhaust treatment device's building materials in the transmission course, makes the flammability of building materials improve, consequently can not guarantee the fire resistance of building materials.
Through the magnanimity retrieval, discover prior art, publication number is CN109030709A, building material detection device, its structure includes control panel, controller, guard gate, fixed lower margin, detects storehouse, discharge port, and fixed lower margin is equipped with more than two, and installs in detecting the storehouse bottom through the lock mode, detects the storehouse left end and is equipped with control panel, and the control panel upper end is equipped with the rectangle recess of activity installation controller. The utility model discloses a detection storehouse inside that is equipped with is examining time measuring, close when the guard gate, the guard gate pivot that is equipped with drives through drive mechanism and receive and release the carousel rotation to drawing close isolation mechanism and sealing mechanism around to flammability detection mechanism, formed and kept apart sealed effect, burn like this and examine time measuring, prevent effectively that equipment main body housing from contacting high temperature, fire is roast, avoid the main part to warp, discolour, the staff is when the operation of getting the blowing, be difficult to scalded by high temperature, the security has been improved greatly.
In summary, the existing building material flammability detection apparatus and method neglect the influence of the use environment on the surface of the building material, and cannot fully consider the influence of the damage on the surface of the building material on the flammability of the building material when the building material is applied in different environments, so that the detection data are not sufficiently fit to the actual use condition, and the detection data are not convincing.
Disclosure of Invention
The invention aims to provide a building material flammability detection method of an exhaust gas treatment structure, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a building material flammability detection method of an exhaust gas treatment structure comprises the following steps:
s1: making samples, namely selecting building materials to prepare ten samples;
s2: grouping treatment, namely equally dividing ten groups of samples into a conventional group and a corrosion group, wherein the conventional group and the corrosion group are respectively five samples;
s3: sample surface treatment, namely respectively polishing the surfaces of the samples of the conventional group and the corrosion group;
s4: and (3) corrosion treatment, namely after the surface of the corrosion group is polished, placing a corrosion group sample in a corrosive gas environment:
s5: and (4) igniting, namely respectively placing the conventional group and the corrosion group in a closed space for ignition.
Preferably, in S1 based on the building material flammability detection step: and selecting the building materials on the inner wall of the waste gas treatment structure, and cutting the building materials into 1 x 10cm specifications.
Preferably, in S3 based on the building material flammability detection step:
the sample of conventional group and corruption group is polished respectively, and the degree of polishing is in proper order: 0%, 10%, 20%, 30% and 50% for removing the oxidation protection layer on the surface of the building material.
Preferably, in S4 based on the building material flammability detection step:
respectively placing the five samples of the corrosive components in a corrosive environment, wherein the gas components in the corrosive environment comprise 15-20% of sulfur dioxide, 5-10% of sulfur trioxide, 5-10% of nitrogen dioxide and air;
and respectively placing five corrosion group samples in a corrosive gas environment for 2 hours, and simulating the loss of corrosive waste gas to the building materials.
Preferably, in S5 based on the building material flammability detection step:
respectively placing the conventional group and the corrosion group in a closed space, introducing gas, oxygen and air into the closed space, and igniting the building material sample through an igniter;
and respectively recording the thermal deformation degree and the combustion condition of the samples of the conventional group and the corrosion group, sequentially recording according to different treatment modes, and analyzing the relationship between the building material flammability and the waste gas components.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the sample surface is polished and corroded respectively, and the sample surface is polished, so that the abrasion of particulate matters in the waste gas on the building material surface in the waste gas transmission process can be simulated, the falling of a building material surface protection layer is caused, and the flammability of the building material is improved, therefore, the influence of abrasion of different degrees on the flammability of the building material surface is simulated by polishing the sample surface;
the sample is placed in a corrosive environment, the surface of the sample is corroded, the influence on combustibility can be simulated when corrosive gas is transmitted and corrodes the surface of a building material, and the detection method can be more suitable for the actual application situation of the building material compared with the traditional flammability detection mode.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment provided by the invention comprises the following steps:
the first embodiment is as follows:
a building material flammability detection method of an exhaust gas treatment structure comprises the following steps:
s1: making samples, namely selecting building materials to prepare ten samples;
s2: grouping treatment, namely equally dividing ten groups of samples into a conventional group and a corrosion group, wherein the conventional group and the corrosion group are respectively five samples;
s3: sample surface treatment, namely respectively polishing the surfaces of the samples of the conventional group and the corrosion group;
s4: and (3) corrosion treatment, namely after the surface of the corrosion group is polished, placing a corrosion group sample in a corrosive gas environment:
s5: and (4) igniting, namely respectively placing the conventional group and the corrosion group in a closed space for ignition.
Example two:
in S1 based on the building material flammability detection step: and selecting the building materials on the inner wall of the waste gas treatment structure, and cutting the building materials into 1 x 10cm specifications.
In S3 based on the building material flammability detection step:
the sample of conventional group and corruption group is polished respectively, and the degree of polishing is in proper order: 0%, 10%, 20%, 30% and 50%, is used for getting rid of the oxidation protective layer on building materials surface, through polishing the sample surface, can simulate in the waste gas transmission process, and particulate matter in the waste gas causes wearing and tearing to the building materials surface, leads to building materials surface protective layer to drop to improve the flammability of building materials, consequently through polishing the sample surface, has simulated the influence of the wearing and tearing of building materials surface different degree to the flammability.
Example three:
in S4 based on the building material flammability detection step:
respectively placing the five samples of the corrosive components in a corrosive environment, wherein the gas components in the corrosive environment comprise 15-20% of sulfur dioxide, 5-10% of sulfur trioxide, 5-10% of nitrogen dioxide and air;
and respectively placing five corrosion group samples in a corrosive gas environment for 2 hours, and simulating the loss of corrosive waste gas to the building materials.
Example four:
in S5 based on the building material flammability detection step:
respectively placing the conventional group and the corrosion group in a closed space, introducing gas, oxygen and air into the closed space, igniting the building material sample through an igniter, wherein the gas and the oxygen are used for supporting combustion, and igniting the gas and the oxygen after the igniter generates electric sparks so as to place the sample in a burning environment for burning;
and respectively recording the thermal deformation degree and the combustion condition of the samples of the conventional group and the corrosion group, sequentially recording according to different treatment modes, and analyzing the relationship between the building material flammability and the waste gas components.
Carry out corrosion treatment to the sample surface, when can simulate transmitting corrosive gas, corrosive gas causes the corruption back to the building materials surface, to the influence of flammability, can laminate the condition of in-service use more, compare traditional flammability detection mode, laminate the building materials practical application condition more for detect the structure more accurate with have convincing force.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. A building material flammability detection method of an exhaust gas treatment structure is characterized in that: the building material flammability detection method comprises the following steps:
s1: making samples, namely selecting building materials to prepare ten samples;
s2: grouping treatment, namely equally dividing ten groups of samples into a conventional group and a corrosion group, wherein the conventional group and the corrosion group are respectively five samples;
s3: sample surface treatment, namely respectively polishing the surfaces of the samples of the conventional group and the corrosion group;
s4: and (3) corrosion treatment, namely after the surface of the corrosion group is polished, placing a corrosion group sample in a corrosive gas environment:
s5: and (4) igniting, namely respectively placing the conventional group and the corrosion group in a closed space for ignition.
2. The building material flammability detection method of an exhaust gas treatment structure according to claim 1, wherein: in S1 based on the building material flammability detection step: and selecting the building materials on the inner wall of the waste gas treatment structure, and cutting the building materials into 1 x 10cm specifications.
3. The building material flammability detection method of an exhaust gas treatment structure according to claim 1, wherein: in S3 based on the building material flammability detection step:
the sample of conventional group and corruption group is polished respectively, and the degree of polishing is in proper order: 0%, 10%, 20%, 30% and 50% for removing the oxidation protection layer on the surface of the building material.
4. The building material flammability detection method of an exhaust gas treatment structure according to claim 1, wherein: in S4 based on the building material flammability detection step:
respectively placing the five samples of the corrosive components in a corrosive environment, wherein the gas components in the corrosive environment comprise 15-20% of sulfur dioxide, 5-10% of sulfur trioxide, 5-10% of nitrogen dioxide and air;
and respectively placing five corrosion group samples in a corrosive gas environment for 2 hours, and simulating the loss of corrosive waste gas to the building materials.
5. The building material flammability detection method of an exhaust gas treatment structure according to claim 1, wherein: in S5 based on the building material flammability detection step:
respectively placing the conventional group and the corrosion group in a closed space, introducing gas, oxygen and air into the closed space, and igniting the building material sample through an igniter;
and respectively recording the thermal deformation degree and the combustion condition of the samples of the conventional group and the corrosion group, sequentially recording according to different treatment modes, and analyzing the relationship between the building material flammability and the waste gas components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111003404.2A CN113624909B (en) | 2021-08-30 | Method for detecting combustibility of building materials of waste gas treatment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111003404.2A CN113624909B (en) | 2021-08-30 | Method for detecting combustibility of building materials of waste gas treatment structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113624909A true CN113624909A (en) | 2021-11-09 |
| CN113624909B CN113624909B (en) | 2024-05-14 |
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