CN211785450U - Integrated reaction box for gas pollution detection - Google Patents
Integrated reaction box for gas pollution detection Download PDFInfo
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- CN211785450U CN211785450U CN202020444514.7U CN202020444514U CN211785450U CN 211785450 U CN211785450 U CN 211785450U CN 202020444514 U CN202020444514 U CN 202020444514U CN 211785450 U CN211785450 U CN 211785450U
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Abstract
The utility model is suitable for a gaseous pollution detects technical field, provides a gaseous pollution detects integrated reaction case, including the reaction cabin, the reaction cabin seals through intermediate bottom between left side reaction cabin and the right reaction cabin and separates including left reaction cabin and the right reaction cabin that is used for the material to settle heating and gas acquisition, and the installation is provided with sealed lid on the intermediate bottom. In the utility model, the detection efficiency can be improved by utilizing the simultaneous detection of the two cabins, the two cabins can be integrated into one cabin body when needed, the detection operation is simple, and the harmful substances released by the test board can be flexibly contrasted; the double reaction chambers can effectively save time, provide effective basis for the evaluation of actual pollutant release of indoor environment, and have higher economic and environmental benefits.
Description
Technical Field
The utility model belongs to the technical field of gaseous pollution detects, especially, relate to a gaseous pollution detects integrated reaction case.
Background
The environmental chamber or climate box is a testing device which is designed and constructed artificially, can simulate the real indoor space environment, can control the environmental factors such as temperature, humidity, air flow speed, air change times and the like through related technical means and has a certain volume. The environmental chamber method is closer to the actual use condition, can determine the artificial board subjected to veneer treatment, and can be used for nondestructive testing and dynamic research.
The traditional environmental chamber can only collect harmful pollutants (such as formaldehyde) from a single sample plate such as an artificial board, but relatively complicated release of various harmful substances exists in the indoor environment. Therefore, when the traditional method is adopted to monitor the gas pollutants, the monitoring efficiency is poor.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a gas pollution detects integrated reaction box aims at solving and adopts traditional method to carry out gas pollution thing and detects time measuring, and detection efficiency is relatively poor.
An object of the utility model is to provide a gaseous pollution detects integrated reaction box, including the reaction cabin, its characterized in that, the reaction cabin is including the left reaction cabin and the right reaction cabin that are used for the material to settle heating and gas acquisition, seals through intermediate bottom between left reaction cabin and the right reaction cabin and separates, and the last installation of intermediate bottom is provided with sealed lid.
Further technical scheme, left side reaction cabin is including left sample plate frame, and left reaction cabin lateral wall symmetry is equipped with left sampling hole and left introduction port, and the cooperation is equipped with left flowmeter in the left sampling hole, and the installation is provided with left upper cover on the left side reaction cabin, still is equipped with left heating element and left thermometer in the left side reaction cabin.
Further technical scheme, the right side reaction cabin is including right sample plate frame, and right reaction cabin lateral wall symmetry is equipped with right sampling hole and right introduction port, and the cooperation is equipped with right flowmeter in the right sampling hole, and the installation is provided with right upper cover on the right side reaction cabin, still is equipped with right heating element and right thermometer in the right side reaction cabin.
The embodiment of the utility model utilizes the simultaneous detection of the two cabins, can improve the detection efficiency, can integrate the two cabins into one cabin body when needed, has simple detection operation, and can flexibly compare and test the harmful substances released by the board; the double reaction chambers can effectively save time, provide effective basis for the evaluation of actual pollutant release of indoor environment, and have higher economic and environmental benefits.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a graph showing the formaldehyde emission of the collected gas in the left and right reaction chambers under different temperature-raising conditions according to the embodiment of the present invention;
FIG. 3 is a graph showing the release amount of formaldehyde from the collected gas when the left and right reaction chambers are respectively heated and cooled;
fig. 4 is a graph showing the formaldehyde emission of the collected gas under the temperature rising condition after the left and right reaction chambers are combined.
In the drawings: 1-left reaction chamber, 2-right reaction chamber, 3-middle plug board, 4-sealing cover, 5-left sample plate frame, 6-right sample plate frame, 7-left support frame, 8-right support frame, 9-left partition plate, 10-right partition plate, 11-left heating element, 12-right sample hole, 13-left sample hole, 14-right heating element, 15-left flow meter, 16-right flow meter, 17-left thermometer, 18-right thermometer, 19-left sample inlet, 20-right sample inlet, 21-left upper cover and 22-right upper cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description is provided for the specific embodiments of the present invention.
An embodiment of the utility model provides a gas pollution detection method, including following step:
1) taking a plurality of groups of test materials, and equally dividing the test materials into cabin bodies formed by matching a left reaction cabin and a right reaction cabin;
2) adjusting the heating elements, controlling the temperature change in the left reaction chamber and the right reaction chamber, and performing heat preservation treatment after the temperature reaches a stable temperature;
3) and (3) extracting the gas to be detected from the left reaction chamber and the right reaction chamber at intervals, and finally observing the release amount of pollutants in the gas to be detected, which changes along with time within a fixed time period.
In the embodiment of the utility model, the detection efficiency can be improved by using the simultaneous detection of the two cabins, the two cabins can be integrated into one cabin body when needed, the detection operation is simple, and products in the two cabins can be compared according to the difference of temperature change speed and the difference of temperature change degree in a fixed time period, so that the harmful substances released by the test board can be flexibly compared; the double reaction chambers can effectively save time, provide effective basis for the evaluation of actual pollutant release of indoor environment, and have higher economic and environmental benefits.
As an optimized embodiment of the utility model, it is relatively sealed between left side reaction cabin and the right reaction cabin, and the rate of rise of temperature is 1 ℃/h in the left side reaction cabin, keeps warm by room temperature rise to 25 ℃, and the rate of rise of temperature is 2 ℃/h in the right side reaction cabin, rises to 40 ℃ from the room temperature and keeps warm. And after the temperature is stabilized, the gas to be detected is taken from the sampling hole every 1 hour within 12 hours, and the gas to be detected is taken from the sampling hole every 6 hours within 12 hours to 24 hours.
In the embodiment of the utility model, it is preferred, with left reaction cabin and right reaction cabin relatively closed back, get 8 groups of artificial panel, wherein 4 groups of artificial panel place respectively on the left sample plate frame in left reaction cabin, 4 groups of artificial panel place on the right sample plate frame in right reaction cabin in addition, adjust heating element, the rate of rise of temperature is 1 ℃/h in the control left reaction cabin, it is 25 ℃ to rise to the highest temperature from room temperature (taking conventional room temperature 20 ℃ as an example), the rate of rise of temperature is 2 ℃/h in the right reaction cabin, it is 40 ℃ to rise to the highest temperature from room temperature. After the stable temperature is reached, a certain amount of gas to be detected is taken from the sampling hole every 1 hour within the first 12 hours after heat preservation, and the gas to be detected is taken from the sampling hole every 6 hours in the process of 12 hours to 24 hours. Finally, the control data of formaldehyde release amount in the left and right reaction chambers and 4 groups of artificial boards in 24 hours along with the change of time are obtained.
In the embodiment of the present invention, preferably, as shown in fig. 2, wherein the curve 1 is the gas detection data collected from the right reaction chamber, the curve 2 is the gas detection data collected from the left reaction chamber, and the detection unit of the formaldehyde emission amount is mg/m3. It can be known through the contrast, at the rapid heating up in-process, formaldehyde emission volume has comparatively showing gap, releases formaldehyde more easily under high programming speed and the highest temperature, and at the heat preservation stage, formaldehyde emission volume is slightly higher under the high temperature ratio low temperature, and relative gap maintains the balance.
As an optimized embodiment of the utility model, relatively seal between left side reaction cabin and the right reaction cabin, the rate of rise of temperature is 1 ℃/h in the left side reaction cabin, by room temperature rise to 25 ℃ and keep warm, the rate of fall of temperature is 1 ℃/h in the right side reaction cabin, from 25 ℃ to the room temperature. And after the temperature is stabilized, the gas to be detected is taken from the sampling hole every 1 hour within 12 hours, and the gas to be detected is taken from the sampling hole every 6 hours within 12 hours to 24 hours.
The embodiment of the utility model provides an in, it is preferred, with left reaction cabin and right reaction cabin relatively seal the back, get 8 group's well density boards, wherein 4 group's well density boards are placed respectively on the left sample grillage in left reaction cabin, 4 group's well density boards are placed on the right sample grillage in right reaction cabin in addition, adjust heating element, control left reaction under-deck intensification rate is 1 ℃/h, the highest temperature is 25 ℃, the right reaction under-deck is 1 ℃/h with the cooling rate, it is the room temperature to fall to from the highest temperature for 25 ℃. After the stable temperature is reached, a certain amount of gas to be detected is taken from the sampling hole every 1 hour within the first 12 hours after heat preservation, and the gas to be detected is taken from the sampling hole every 6 hours in the process of 12 hours to 24 hours. Finally, the formaldehyde emission in the 4 groups of the density boards in the left and right reaction cabins is obtained along with the change of time within 24 hours.
In the embodiment of the present invention, preferably, as shown in fig. 3, wherein the curve 1 is the gas detection data collected from the right reaction chamber, the curve 2 is the gas detection data collected from the left reaction chamber, and the detection unit of the formaldehyde emission amount is mg/m3. It can be known through the comparison that under the certain condition of temperature variation speed, the release amount of formaldehyde is slightly higher than the release amount of formaldehyde in the rapid heating process to high temperature to low temperature in the process of cooling to high temperature, and then the release amount of formaldehyde has no obvious difference under the condition that the temperature difference is not big.
As an optimized embodiment of the utility model, the left reaction cabin and the right reaction cabin are communicated with each other, the heating rate of the left reaction cabin and the right reaction cabin is 2 ℃/h, and the temperature is increased to 25 ℃ from the room temperature and is kept. And after the temperature is stabilized, the gas to be detected is taken from the sampling hole every 1 hour within 12 hours, and the gas to be detected is taken from the sampling hole every 6 hours within 12 hours to 24 hours.
In the embodiment of the utility model provides an in, it is preferred, with the relative intercommunication in order to form same cabin body between left side reaction cabin and the right side reaction cabin, get 8 fiberboards of group and place on the sample plate frame, adjust heating element, the rate of rise of temperature is 2 ℃/h in the control left and right reaction cabin, it is 25 ℃ to rise to the highest temperature from the room temperature, after waiting to reach stabilizing temperature, in the preceding 12 hours after keeping warm, every 1 hour gets quantitative gas that awaits measuring from the sampling hole, at 12 hours to 24 hours in-process, every 6 hours is followed the sampling hole and is got gas that awaits measuring. Finally, the formaldehyde release amount of the 8 groups of fiber boards in the left and right reaction chambers which changes with time within 24 hours is obtained.
In the embodiment of the present invention, preferably, as shown in fig. 4, the curve is the same cabin body after the left reaction cabin and the right reaction cabin are communicated, wherein the detection unit of the formaldehyde emission is mg/m3. As can be known from the graphic representation, the formaldehyde emission amount in the high temperature stage is in the climbing stage at the early stage, and after the formaldehyde is rapidly released for a certain time, the formaldehyde emission amount has obvious glide, and finally the formaldehyde emission amount is stably maintained at the stageThe sections gradually maintain relatively constant formaldehyde emission.
As shown in fig. 1, an embodiment of the utility model also provides a gas pollution detects integrated reaction box, including the reaction cabin, its characterized in that, the reaction cabin is including the left reaction cabin and the right reaction cabin that are used for the material to settle heating and gas acquisition, seals through intermediate bottom between left reaction cabin and the right reaction cabin and separates, and the last installation of intermediate bottom is provided with sealed lid.
The left side reaction cabin is including left sample plate frame, and left reaction cabin lateral wall symmetry is equipped with left sampling hole and left introduction port, and the cooperation is equipped with left flowmeter in the left sampling hole, and the installation is provided with upper left cover on the left side reaction cabin, still is equipped with left heating element and left thermometer in the left side reaction cabin.
The right reaction cabin comprises a right sample plate frame, a right sampling hole and a right sample inlet are symmetrically formed in the side wall of the right reaction cabin, a right flow meter is arranged in the right sampling hole in a matched mode, a right upper cover is arranged on the right reaction cabin, and a right heating element and a right thermometer are further arranged in the right reaction cabin.
The embodiment of the utility model provides an in, it is preferred, the reaction cabin including be used for the material to settle heating and gas acquisition's left reaction cabin and right reaction cabin, wherein seal the partition through intermediate bottom between left reaction cabin and the right reaction cabin, intermediate bottom sliding fit connects between left reaction cabin and right reaction cabin, the installation of intermediate bottom upper end is provided with sealed lid, sealed lid is connected fixedly with the reaction cabin and the right reaction cabin of both sides respectively, sealed lid all coats with left upper cover and right upper cover contact limit and covers sealing material.
The embodiment of the utility model provides an in, it is preferred, left reaction chamber is by left model plate frame, left sampling hole, left flowmeter, left heating element, left thermometer, left side introduction port and left upper cover are constituteed, right reaction chamber is by right model plate frame, right sampling hole, right flowmeter, right heating element, right thermometer, right introduction port, right upper cover is constituteed, left model plate frame comprises 4 left branch strut and 4 layers of left baffle, wherein the four corners at left baffle is fixed to the left branch strut, right model plate frame comprises 4 right branch struts and 4 layers of right baffle, wherein the four corners at right baffle is fixed to the right branch strut.
The embodiment of the utility model provides an in, it is preferred, on left sampling hole and left sample inlet set up same water flat line, on right sampling hole and right sample inlet set up same water flat line.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a gas pollution detects integrated reaction case, includes the reaction cabin, its characterized in that, the reaction cabin is including being used for the material to settle heating and gas acquisition's left reaction cabin and right reaction cabin, seals through intermediate bottom between left reaction cabin and the right reaction cabin and separates, and the last installation of intermediate bottom is provided with sealed lid.
2. The integrated reaction box for gas pollution detection according to claim 1, wherein the left reaction chamber comprises a left sample plate frame, a left sample hole and a left sample inlet are symmetrically arranged on the side wall of the left reaction chamber, a left flow meter is arranged in the left sample hole in a matching manner, a left upper cover is arranged on the left reaction chamber in an installing manner, and a left heating element and a left thermometer are further arranged in the left reaction chamber.
3. The integrated reaction box for gas pollution detection according to claim 2, wherein the right reaction chamber comprises a right sample plate frame, and a right sample hole and a right sample inlet are symmetrically arranged on the side wall of the right reaction chamber.
4. The integrated reaction box for gas pollution detection according to claim 3, wherein a right flow meter is arranged in the right sampling hole in a matching manner, and a right upper cover is arranged on the right reaction chamber in a mounting manner.
5. The integrated reaction box for detecting gas pollution as claimed in claim 3, wherein a right heating element and a right thermometer are further arranged in the right reaction chamber.
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| CN202020444514.7U CN211785450U (en) | 2020-03-31 | 2020-03-31 | Integrated reaction box for gas pollution detection |
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| CN202020444514.7U CN211785450U (en) | 2020-03-31 | 2020-03-31 | Integrated reaction box for gas pollution detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683749A (en) * | 2020-12-10 | 2021-04-20 | 吴洪涛 | Graphene material detection device and use method thereof |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683749A (en) * | 2020-12-10 | 2021-04-20 | 吴洪涛 | Graphene material detection device and use method thereof |
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