CN209901013U - High-efficient formaldehyde removal reactor and on-line monitoring device thereof - Google Patents
High-efficient formaldehyde removal reactor and on-line monitoring device thereof Download PDFInfo
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- CN209901013U CN209901013U CN201920567004.6U CN201920567004U CN209901013U CN 209901013 U CN209901013 U CN 209901013U CN 201920567004 U CN201920567004 U CN 201920567004U CN 209901013 U CN209901013 U CN 209901013U
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Abstract
The utility model discloses a high efficiency removes formaldehyde reactor and on-line monitoring device thereof, including formaldehyde decomposition reactor, the infrared many gas monitors of optoacoustic and computer terminal, formaldehyde decomposition reactor's casing top is equipped with sample connection, introduction port, smart mouth and sample recovery mouth respectively, places the household utensils and be used for placing the catalyst at inside catalyst that is equipped with of casing, place and be equipped with the glass lid on the household utensils at the catalyst, the fine rule at glass lid top passes smart mouth and stretches out to the casing outside, introduction port and formaldehyde generating device are connected, sampling port and sample recovery mouth are connected with the infrared many gas monitors of optoacoustic respectively through gas conduit, the infrared many gas monitors of optoacoustic allies oneself with computer terminal uses to this reaches the purpose of monitoring formaldehyde concentration at any time. The catalyst in the formaldehyde decomposition reactor can catalyze and decompose formaldehyde in the air into water and carbon dioxide, so that the indoor air quality can be effectively improved, and formaldehyde harm is eliminated to a greater extent.
Description
Technical Field
The utility model relates to a formaldehyde concentration detection and catalyst performance evaluation device field, concretely relates to high-efficient formaldehyde reactor and on-line measuring system that removes thereof.
Background
"indoor decoration pollution" refers to the behavior of indoor environmental pollution that the harmful substances in the indoor air exceed the standard due to various reasons, and further affect the human health. With the increasing pollution level, the human body can generate sub-health reaction and even threaten life safety. Is one of the human hazards which is increasingly paid attention.
The state has five main pollutants listed in the civil building engineering indoor environmental pollution control code issued and implemented in 2006: formaldehyde, benzene, ammonia gas, total volatile organic compounds TVOC and radioactive radon. Wherein, the formaldehyde is a colorless gas, has special pungent odor and has stimulating effect on human eyes, nose and the like. Has been identified by the world health organization as carcinogenic and teratogenic, is the leading source of pollution in the room. Formaldehyde mainly comes from decoration materials and new combined furniture; and formaldehyde is used as a preservative for products such as coating, chemical fiber carpet, cosmetics and the like. The main harm of formaldehyde is represented by stimulation to skin mucosa, and when the formaldehyde reaches a certain concentration indoors, a human body feels uncomfortable. When the formaldehyde concentration is higher than 0.08 mg/m, red eyes, itchy eyes, discomfort or pain in throat, hoarseness, sneezing, chest distress, asthma, dermatitis and other symptoms can be caused.
The prior common methods for removing formaldehyde comprise a ventilation method, a plant elimination method and an adsorption method, wherein the former two methods have longer period and lower efficiency, the latter method is mainly realized by an adsorbent, the common solid adsorbents comprise coke, activated carbon and the like, and the most widely applied activated carbon is at present. The active carbon has a plurality of gaps inside, and has a certain adsorption function on harmful substances such as formaldehyde, benzene, toluene, xylene and the like by means of the unique molecular structure. However, the solid adsorbent still has the disadvantages of slow detection speed, small application range and inconvenient operation in the using process. Meanwhile, the three methods cannot detect the indoor formaldehyde concentration, cannot accurately judge the suitable time period, and have poor practicability in actual life.
Therefore, it is urgently needed to develop a formaldehyde detection device for indoor air detection, which has the advantages of high detection speed, wide application range and convenient operation, so as to solve the defects in the prior art. In addition, in the process of developing the formaldehyde removal catalyst, a catalyst performance evaluation device simulating an indoor environment is urgently needed, and a favorable support is provided for screening of the catalyst.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a high-efficient formaldehyde reactor and on-line monitoring device thereof that removes
The indoor formaldehyde concentration can be monitored, indoor formaldehyde can be removed quickly, and indoor air quality can be effectively improved.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme: the utility model provides a high-efficient formaldehyde reactor that removes and on-line monitoring device thereof, includes formaldehyde decomposition reactor, the infrared many gas monitors of optoacoustic and computer terminal, formaldehyde decomposition reactor's casing top is equipped with sample connection, introduction port, smart silk mouth and sample recovery mouth respectively, is equipped with on the casing lateral wall and opens the door plant, places the household utensils at the inside catalyst that is equipped with of casing, and inside the household utensils is placed to the catalyst, is equipped with the glass lid on the household utensils is placed to the catalyst, and a fine rule is connected at the glass lid top, and the fine rule passes smart silk mouth and stretches out to the casing outside, introduction port and formaldehyde generating device are connected, sample connection and sample recovery mouth are connected with the infrared many gas monitors of optoacoustic through gas conduit respectively, the infrared many gas monitors of optoacoustic ally acoustic ally oneself with computer terminal and use, and computer terminal is used for receiving the detection data that the infrared many, effectively monitoring the concentration of formaldehyde in the formaldehyde decomposition reactor.
Furthermore, a fan is arranged at the bottom of the shell, the rotation of the fan can accelerate the gas flowing speed inside the shell, so that the gas mixing is accelerated, the concentration of formaldehyde in the shell is uniformly distributed, and the accuracy of the detection result of the photoacoustic infrared multi-gas monitor is ensured.
Further, a layer of aluminum foil layer is arranged on the inner wall of the shell.
Furthermore, the caliber of the fine filament opening is matched with the thickness specification of the fine filament.
The utility model has the advantages that:
the utility model discloses a high-efficiency formaldehyde removal reactor and an online monitoring device thereof, which have simple structure and good use effect, the formaldehyde removal catalyst in the box body can be fully contacted with formaldehyde, and the formaldehyde can be fully decomposed into water and carbon dioxide, thereby effectively improving the indoor air quality and eliminating the formaldehyde harm to a greater extent; the photoacoustic infrared multi-gas monitor can monitor the concentration of formaldehyde at any time, and the effect of quickly measuring the indoor formaldehyde concentration is achieved.
Drawings
Fig. 1 is a schematic structural diagram of the high-efficiency formaldehyde removal reactor and the on-line monitoring device thereof disclosed by the utility model.
The system comprises a formaldehyde decomposition reactor 1, a photoacoustic infrared multi-gas monitor 2, a computer terminal 3, a shell 4, a sampling port 5, a sampling port 6, a sampling port 7, a fine filament port 8, a sample recovery port 9, an opening door plate 10, a catalyst placing vessel 11, a glass cover 12, a fine filament and a fan 13.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided with reference to fig. 1, so that the advantages and features of the present invention can be easily understood by those skilled in the art, and thus, the protection scope of the present invention can be defined more clearly and clearly.
In order to realize the purpose of real-time detection and quick removal of formaldehyde, the utility model discloses a high-efficiency formaldehyde removal reactor and an online monitoring device thereof, which comprises a formaldehyde decomposition reactor 1, a photoacoustic infrared multi-gas monitor 2 and a computer terminal 3, the top of a shell 4 of the formaldehyde decomposition reactor 1 is respectively provided with a sampling port 5, a sample inlet 6, a fine filament port 7 and a sample recovery port 8, the inner wall of the shell 4 is provided with an aluminum foil layer, the side wall of the shell 4 is provided with an opening door plate 9, a catalyst placing vessel 10 is arranged inside the shell 4 for placing catalyst, a glass cover 11 is arranged on the catalyst placing vessel 10, the top of the glass cover 11 is connected with a fine filament 12, the fine filament 12 passes through the fine filament port 7 with the caliber matched with the diameter and extends out of the shell 4, the sample inlet 6 is connected with a formaldehyde generating device, the sampling port 5 and the sample recovery port 8 are respectively connected with the photoacoustic infrared multi-gas monitor 2 through, the photoacoustic infrared multi-gas monitor 2 is used together with the computer terminal 3, and the computer terminal 3 is used for receiving detection data sent by the photoacoustic infrared multi-gas monitor 2, performing corresponding real-time analysis and effectively detecting the concentration of formaldehyde in the formaldehyde decomposition reactor 1.
Be equipped with fan 13 in casing 4 bottom, fan 13 rotates the gas flow velocity that can accelerate casing 4 inside for gas mixing, makes the formaldehyde concentration distribution in the casing even, guarantees the accuracy of the infrared many gas monitor 2 testing results of optoacoustic.
When the formaldehyde gas catalytic oxidation reactor is not used, a catalyst is placed in the catalyst placing vessel 10 and is covered by the glass cover 11 to be isolated from the outside, after the sample inlet 6 is connected with the formaldehyde generating device, the fine wire 12 is pulled outwards from the fine wire port 7 to separate the glass cover 11 from the mouth of the catalyst placing vessel 10 and externally fix the fine wire 12, the catalyst is ensured to be in contact with formaldehyde gas in the shell 4 to start a continuous decomposition reaction, and the catalyst is used for catalyzing, oxidizing and decomposing formaldehyde into water and carbon dioxide stably for a long time by using heat in the air at room temperature or even below the room temperature, so that the formaldehyde is removed.
Because the formaldehyde decomposition reactor 1 is used together with the photoacoustic infrared multi-gas monitor 2, and the monitoring data can be displayed on the computer terminal 3 in real time, the device can detect the indoor formaldehyde concentration in real time, and can calculate the catalytic efficiency of the catalyst in the reactor by observing the data, thereby being convenient for screening and optimizing the optimal reaction catalyst and the optimal reaction concentration and reaction time of different catalysts according to the actual conditions.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (4)
1. The utility model provides a high-efficient formaldehyde reactor that removes and on-line monitoring device thereof, its characterized in that, including formaldehyde decomposition reactor (1), the infrared many gas monitors of optoacoustic (2) and computer terminal (3), casing (4) top of formaldehyde decomposition reactor (1) is equipped with sample connection (5), introduction port (6), smart silk mouth (7) and sample recovery mouth (8) respectively, is equipped with on casing (4) lateral wall and opens door plant (9), is equipped with catalyst in casing (4) inside and places household utensils (10) and be used for placeeing the catalyst, is equipped with glass lid (11) on catalyst placer household utensils (10), and a fine rule (12) is connected at glass lid (11) top, and fine rule (12) pass smart silk mouth (7) and stretch out to casing (4) outside, introduction port (6) are connected with formaldehyde generating device, sample connection (5) and sample recovery mouth (8) are connected with the infrared many gas monitors of optoacoustic (2) through gas conduit respectively, the photoacoustic infrared multi-gas monitor (2) is used together with the computer terminal (3), and the computer terminal (3) is used for receiving detection data sent by the photoacoustic infrared multi-gas monitor (2), analyzing the detection data in real time and effectively monitoring the concentration of formaldehyde in the formaldehyde decomposition reactor (1).
2. The efficient formaldehyde removal reactor and the online monitoring device thereof as claimed in claim 1, wherein a fan (13) is disposed at the bottom of the housing (4).
3. The efficient formaldehyde removal reactor and the on-line monitoring device thereof as claimed in claim 2, wherein the inner wall of the shell (4) is provided with an aluminum foil layer.
4. A high efficiency formaldehyde removing reactor and its on-line monitoring device as claimed in claim 3, characterized in that the caliber of the fine wire opening (7) is adapted to the thickness specification of the fine wire (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920567004.6U CN209901013U (en) | 2019-04-24 | 2019-04-24 | High-efficient formaldehyde removal reactor and on-line monitoring device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920567004.6U CN209901013U (en) | 2019-04-24 | 2019-04-24 | High-efficient formaldehyde removal reactor and on-line monitoring device thereof |
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| CN209901013U true CN209901013U (en) | 2020-01-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109908723A (en) * | 2019-04-24 | 2019-06-21 | 南京工程学院 | It is a kind of efficiently to remove formaldehyde reactor and its on-Line Monitor Device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109908723A (en) * | 2019-04-24 | 2019-06-21 | 南京工程学院 | It is a kind of efficiently to remove formaldehyde reactor and its on-Line Monitor Device |
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