CN110609118A - Be applied to waste gas treatment check out test set of fabrics printing and dyeing - Google Patents
Be applied to waste gas treatment check out test set of fabrics printing and dyeing Download PDFInfo
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- CN110609118A CN110609118A CN201910730302.7A CN201910730302A CN110609118A CN 110609118 A CN110609118 A CN 110609118A CN 201910730302 A CN201910730302 A CN 201910730302A CN 110609118 A CN110609118 A CN 110609118A
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- G01N33/0004—Gaseous mixtures, e.g. polluted air
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Abstract
The invention discloses waste gas treatment detection equipment applied to textile printing and dyeing, which belongs to the technical field of waste gas treatment detection, and is used for textile printing and dyeing, wherein the detection data of the waste gas treatment detection equipment used by each textile printing and dyeing factory is collected in a centralized manner in real time, and all the detection data are shared to the cloud in real time for the real-time monitoring of the masses, so that the masses and transparent monitoring are realized, and the waste gas emission of each textile printing and dyeing factory is urged to reach the standard; all textile printing and dyeing factories in the range of a square circle with the waste gas emission not reaching the standard are forced to stop production for a period of time by taking the textile printing and dyeing factories as centers, and the supervision of the waste gas emission is strengthened by utilizing the collective association effect; through the setting of multiunit control experiment, each item data that will record at every turn and preceding data contrast, explore the growth influence of waste gas to animal and plant, and can be comparatively accurate obtain the time and the cycle of its influence, be favorable to promoting the improvement of corresponding exhaust-gas treatment technique.
Description
Technical Field
The invention relates to the technical field of waste gas treatment and detection, in particular to waste gas treatment and detection equipment applied to textile printing and dyeing.
Background
China is a large country for textile printing and dyeing, and numerous enterprises for textile printing and dyeing are available. The waste gas source generated by textile printing and dyeing mainly comes from two main aspects: the spinning process of chemical fiber, and the pretreatment and functional after-finishing processes of the textile. Taking the spinning process of viscose fiber chemical fiber as an example, the raw materials are first prepared into a spinning solution, and a large amount of carbon disulfide is added in the process of preparing the spinning solution, so that harmful gas with hydrogen sulfide, carbon disulfide and sulfur dioxide as main gas components is generated in the spinning process.
The exhaust gas mainly generated by the exhaust gas of the printing and dyeing mill comprises: singeing machine waste gas, setting machine waste gas and boiler waste gas, wherein the boiler waste gas is the key point. The heat setting machine treatment is an important part of the textile pretreatment process. During heat setting, various dye assistants and coating assistants on the textile are released, so that a large amount of VOCs (volatile organic compounds) are released at the opening of the exhaust pipeline. The organic gases are mainly formaldehyde, polyphenyl, aromatic hydrocarbons and other organic gases. In the functional after-finishing process of the textile, waste gas mainly comes from two links. In the hot-melting dyeing process of the polyester disperse dye, a certain micromolecular dye is sublimated into waste gas and is discharged due to high temperature. The non-ironing and flame-retardant finishing of the cotton fabric is carried out through a baking link, and due to the addition of some chemical additives, the phenomenon that aldehyde gases such as formaldehyde and the like and ammonia gas are released during baking can occur. The others are mainly dust particles, and the gas is pungent and volatile. Such as anhydrous sodium sulphate, alkali and the like, the printing and dyeing wastewater which has good ventilation effect and little harm to the body consists of auxiliaries, dyes, sizing agents and the like discharged in the dyeing and finishing process, and has low toxicity. The discharged dye is used for generating the chromaticity of the printing and dyeing wastewater, about 10% -20% of the dye is discharged along with the wastewater in the printing and dyeing process, and the dye in the wastewater can absorb light, reduce the transparency of the water body, influence aquatic organisms and microorganisms, be not beneficial to self-cleaning of the water body, cause visual pollution and seriously influence the human health. And with the increase of the varieties of the patterns, the dyeing and finishing process is continuously updated, wherein certain processes lead to the aggravation of pollution. Like the alkali weight reduction process which is popular in recent years, the COD content is greatly increased due to the dissolution of a large amount of terephthalic acid in the fiber, and the COD in the wastewater can reach 20000-80000 mg/L; on the same principle, COD in the wastewater of the sea island fiber process is as high as 20000-100000mg/L, and the adoption of the new processes increases the difficulty for treating the printing and dyeing wastewater.
An accurate and reliable sampling method and a detection method are important guarantee premises for developing VOCs emission monitoring research work in the textile industry. The monitoring method of the atmospheric VOCs mainly comprises an off-line technology and an on-line technology, the technologies generally comprise several processes of sampling, preconcentration, separation, detection and the like, the existing sampling methods comprise direct sampling, dynamic sampling and passive sampling, the pretreatment methods comprise solvent analysis, solid phase microextraction, low-temperature preconcentration-thermal desorption and the like, and the analysis methods comprise gas chromatography, high performance liquid chromatography, gas chromatography-mass spectrometry and the most recently developed proton transfer reaction mass spectrometry technology and the like. For a wide variety of organic gas samples, the existing relatively accurate and precise detection means naturally cannot be distinguished from the gradual maturity of various spectrum and mass spectrum technologies, so that the detection accuracy is greatly improved, and both of the accurate and precise detection means are important development directions of the rapid gas detection technology. The existing TVOC rapid detection technology mainly applies an electrochemical rapid analysis principle, can not only be accurate to ppb level, but also has great advantages in the rapid detection of total volatile organic gases TVOC.
Aiming at a high-end and advanced gas detection method, the problem of detection cost is also considered in the process of detecting and monitoring gas pollutants in the textile printing and dyeing industry, and due to the characteristics of multiple and dense distribution areas of the textile industry in China and the different sizes of the scales of enterprises, not every enterprise can easily bear the existing detection cost, but after the standard is put into formal implementation, each enterprise needs to arrange corresponding waste gas detection equipment at a waste gas discharge port of a factory. However, many textile plant operators put their own benefits at first, regardless of the pollution of the generated exhaust gas to the environment, because of too many plants, the regulatory efforts of related departments are difficult to ensure the qualification of the exhaust gas emission of each plant, and the problem of air pollution caused by the exhaust gas of textile industry is urgent.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide waste gas treatment detection equipment applied to textile printing and dyeing, which can perform standard detection on final discharged waste gas of textile printing and dyeing, collect detection data of the waste gas treatment detection equipment used by each textile printing and dyeing factory in a centralized manner in real time, share all the detection data to the cloud end in real time for the real-time monitoring of the public, realize public and transparent monitoring and urge the waste gas discharge of each textile printing and dyeing factory to reach the standard; all textile printing and dyeing factories in the range of the square circle with the waste gas emission not reaching the standard are forced to stop production for a period of time by taking the waste gas emission as the center, and the supervision of the waste gas emission is strengthened by utilizing the collective association effect.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A waste gas treatment detection device applied to textile printing and dyeing comprises a detection device body connected to the air inlet end of a gas collection device, an exhaust funnel is fixedly connected to the upper end of the gas collection device, an external display device is fixedly connected to the outer side end of the gas collection device and connected with a cloud end, the external display device comprises a display screen and an alarm, the display screen and the alarm are both electrically connected with the detection device body, the side end of the gas collection device is communicated with a control experiment system, the control experiment system comprises a plurality of experiment boxes, animals to be tested and plants to be tested are placed in the experiment boxes, a plurality of experiment boxes are connected with air guide branch pipes and air outlet pipes, the side end of the gas collection device is fixedly communicated with an auxiliary air guide pipe, the air guide branch pipes are all fixedly communicated with the auxiliary air guide pipe, and the auxiliary detection device is fixedly connected in the experiment, the auxiliary detection equipment comprises gas concentration detection, gas content detection and gas type detection, and is electrically connected with the display screen and the alarm, so that the discharged waste gas is directly guided into the comparison experiment system, the complex operation of independent sampling can be avoided, the purity of the waste gas can be kept, and the reliability of data comparison between the comparison experiment system and the detection equipment body is ensured. All textile printing and dyeing factories in the range of the square circle with the waste gas emission not reaching the standard are forced to stop production for a period of time by taking the waste gas emission as the center, and the supervision of the waste gas emission is strengthened by utilizing the collective association effect.
Furthermore, be connected with gaseous one-way check valve on the air guide branch pipe, prevent that the waste gas that produces from flowing back to the gas collection device in the experiment box, influence the detection data accuracy of the check out test set body among the gas collection device.
Further, it is a plurality of be divided into respectively in the experiment box and place the animal that awaits the experiment, wait to test the plant, wait to test the animal and wait to test three kinds of circumstances of plant, make things convenient for going on of contrast experiment, detect the influence of waste gas to animal and plant and the influence of waste gas to its growth under animal and the plant co-existence condition respectively.
Furthermore, animals with the same species, the same sex, the same size and the same health degree are selected for the animals to be tested, plants with the same species, the same size and the same health degree are selected for the plants to be tested, the self-difference among the experimental objects is reduced to the minimum, and the accuracy of the control experiment result is improved.
Furthermore, the animal to be tested can be selected from a mouse, and the plant to be tested can be selected from scindapsus aureus or sansevieria trifasciata, so that the mouse is commonly used mainly for the following reasons: firstly, the method comprises the following steps: the gene sequence of the mouse in the mouse is similar to that of the human, the similarity between the whole genome and the human is extremely high, and many diseases which are difficult to cure by the human can find similar characters on the mouse, so that the disease curing gene can be found by experiments; secondly, the method comprises the following steps: the biological significance of the special experimental white mouse is larger, and the cultured mouse almost has no individual difference (physiologically). Whether there is no individual difference in physiology means that there is no difference in qi quality is unknown, but the choice of pure line laboratory rats is primarily to minimize the inherent individual difference; thirdly, the method comprises the following steps: the number is sufficient and many experiments require statistical analysis, which requires a certain number of rats and mice, especially mice, to meet this requirement under artificial breeding conditions. Also, on an animal scale, the mice, the gangster, are mammals, and, except for small bodies, are not inferior to the evolution levels of other mammals. The small body size becomes the favorable condition for artificial breeding and feeding; similarly, scindapsus aureus or sansevieria trifasciata was chosen as the experimental plant because it is easy to survive, low cost, and has better effect of absorbing waste gas, especially waste gas from textile printing and dyeing industry than other plants.
Further, carrying out physical examination on the experimental animal regularly, and recording physical examination data of the experimental animal every time; photographing the experimental animal regularly, and keeping the same photographing angle every time; periodically carrying out physical ability test and responsiveness test on the experimental animal; the method is characterized in that the experimental plant is subjected to content detection at regular intervals, the content detection data of the experimental plant at each time are recorded, each recorded data is compared with the previous data, the growth influence of the waste gas on animals and plants is explored, the time and period of the influence can be accurately obtained, and the improvement of the corresponding waste gas treatment technology is facilitated.
Furthermore, the cloud end is connected with the handheld device, the handheld device comprises a mobile phone and a tablet, public exhaust emission standard supervision apps are installed on the handheld device, all detection data are shared to the cloud end in real time and are shared to the apps through the cloud end for public real-time monitoring, public and transparent monitoring is achieved, and exhaust emission of each textile printing and dyeing factory is urged to reach the standard.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) according to the scheme, the discharged waste gas is directly guided into the comparison experiment system, so that the complicated operation of independent sampling can be avoided, the purity of the waste gas can be kept, and the reliability of data comparison between the comparison experiment system and the detection equipment body is ensured; all textile printing and dyeing factories in the range of the square circle with the waste gas emission not reaching the standard are forced to stop production for a period of time by taking the waste gas emission as the center, and the supervision of the waste gas emission is strengthened by utilizing the collective association effect.
(2) The gas one-way check valve is connected to the gas guide branch pipe, so that waste gas generated in the experiment box is prevented from flowing back to the gas collecting device, and the accuracy of detection data of the detection equipment body in the gas collecting device is prevented from being influenced.
(3) The three conditions of placing the animal to be tested, the plant to be tested, the animal to be tested and the plant to be tested are respectively arranged in the plurality of test boxes, so that the control experiment is convenient to carry out, and the influence of waste gas on the animal and the plant and the influence of waste gas on the growth of the animal and the plant under the condition of co-existence of the animal and the plant are respectively detected.
(4) Animals with the same species, the same sex, the same size and the same health degree are selected for a plurality of animals to be tested, plants with the same species, the same size and the same health degree are selected for a plurality of plants to be tested, the self difference among experimental objects is reduced to the minimum, and the accuracy of the control experiment result is improved.
(5) Carrying out physical examination on the experimental animals regularly, and recording physical examination data of the experimental animals each time; photographing the experimental animal regularly, and keeping the same photographing angle every time; periodically carrying out physical ability test and reactivity test on experimental animals; carry out content detection to the experimental plant regularly to record the content testing data of experimental plant at every turn, compare each item data of record at every turn with preceding data, explore the growth influence of waste gas to animal and plant, and can be comparatively accurate obtain the time and the cycle of its influence, be favorable to promoting the improvement of corresponding exhaust-gas treatment technique.
(6) The cloud end is connected with the handheld device, the handheld device comprises a mobile phone and a tablet, public exhaust emission standard supervision apps are installed on the handheld device, all detection data are shared to the cloud end in real time and are shared to the apps through the cloud end, the public can monitor in real time, public and transparent monitoring is achieved, and the exhaust emission of each textile printing and dyeing factory is urged to reach the standard.
Drawings
FIG. 1 is a schematic view of the centralized supervision state according to the present invention;
FIG. 2 is one of the experimental cases of the present invention;
FIG. 3 is one of the experimental cases of the present invention;
FIG. 4 is one of the experimental cases of the present invention;
FIG. 5 is one of the experimental cases of the present invention;
FIG. 6 is one of the experimental cases of the present invention;
FIG. 7 is one of the experimental cases of the present invention;
FIG. 8 is one of the experimental cases of the present invention.
The reference numbers in the figures illustrate:
1 gas collection device, 2 aiutage, 3 detection equipment bodies, 4 external display equipment, 5 auxiliary gas ducts, 6 experimental boxes, 7 gas guide branch pipes, 8 gas outlet ducts and 9 auxiliary detection equipment.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "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.
Example 1:
referring to fig. 1 and 2, a waste gas treatment and detection device applied to textile printing and dyeing comprises a detection device body 3 connected to the air inlet end of a gas collection device 1, an exhaust funnel 2 fixedly connected to the upper end of the gas collection device 1, an external display device 4 fixedly connected to the outer side end of the gas collection device 1, the external display device 4 connected to the cloud end, the external display device 4 comprising a display screen and an alarm, the display screen and the alarm both electrically connected to the detection device body 3, a control experiment system communicated with the side end of the gas collection device 1 and comprising a plurality of experiment boxes 6, animals to be tested and plants to be tested placed in the experiment boxes 6, air guide branch tubes 7 and air outlet tubes 8 connected to the experiment boxes 6, an auxiliary air guide tube 5 fixedly communicated with the side end of the gas collection device 1, the air guide branch tubes 7 all fixedly communicated with the auxiliary air guide tube 5, and an auxiliary detection device 9 fixedly connected to the inner ends of, the auxiliary detection equipment 9 comprises gas concentration detection, detection of gas content and gas types, the auxiliary detection equipment 9 is electrically connected with the display screen and the alarm, the discharged waste gas is directly guided into the comparison experiment system, the complex operation of independent sampling can be avoided, the purity of the waste gas can be kept, and the reliability of data comparison between the comparison experiment system and the detection equipment body 3 is ensured; all textile printing and dyeing factories in the range of the square circle with the waste gas emission not reaching the standard are forced to stop production for a period of time by taking the waste gas emission as the center, and the supervision of the waste gas emission is strengthened by utilizing the collective association effect.
The gas one-way check valve is connected to the gas guide branch pipe 7, so that waste gas generated in the experiment box 6 is prevented from flowing back to the gas collecting device 1, and the accuracy of detection data of the detection equipment body 3 in the gas collecting device 1 is prevented from being influenced.
The three conditions of the animal to be tested, the plant to be tested, the animal to be tested and the plant to be tested are respectively placed in the plurality of experiment boxes 6, the control experiment is convenient to carry out, and the influence of waste gas on the animal and the plant and the influence of waste gas on the growth of the animal and the plant under the condition of co-existence of the animal and the plant are respectively detected.
Animals with the same species, the same sex, the same size and the same health degree are selected for a plurality of animals to be tested, plants with the same species, the same size and the same health degree are selected for a plurality of plants to be tested, the self difference among experimental objects is reduced to the minimum, and the accuracy of the control experiment result is improved.
For the guess of the experimental condition, please refer to fig. 2-8, the extreme conditions of the experimental animal and the experimental plant in the three experimental boxes are survival of the experimental animal, survival of the experimental plant, and co-survival of the experimental animal and the experimental plant, respectively; survival of experimental animals, death of experimental plants, survival of experimental animals and death of experimental plants; survival of experimental animals, death of experimental plants, and co-survival of experimental animals and experimental plants; death of experimental animals, survival of experimental plants, death of experimental animals and survival of experimental plants; death of experimental animals, survival of experimental plants and co-survival of the experimental animals and the experimental plants; death of experimental animals, death of experimental plants, and death of both experimental animals and experimental plants; the experimental animal death, the experimental plant death, the experimental animal and the experimental plant survival together seven extreme conditions, the influence reason of the survival and the death is one or more of the concentration, the gas content and the gas type of the waste gas, the specific experiment research can be respectively carried out, and the experiment has certain positive influence on the development of the waste gas treatment.
The animal to be tested can be selected from a mouse, and the plant to be tested can be selected from scindapsus aureus or sansevieria trifasciata, so the mouse is commonly used for the following reasons: firstly, the method comprises the following steps: the gene sequence of the mouse in the mouse is similar to that of the human, the similarity between the whole genome and the human is extremely high, and many diseases which are difficult to cure by the human can find similar characters on the mouse, so that the disease curing gene can be found by experiments; secondly, the method comprises the following steps: the biological significance of the special experimental white mouse is larger, and the cultured mouse almost has no individual difference (physiologically). Whether there is no individual difference in physiology means that there is no difference in qi quality is unknown, but the choice of pure line laboratory rats is primarily to minimize the inherent individual difference; thirdly, the method comprises the following steps: the number is sufficient and many experiments require statistical analysis, which requires a certain number of rats and mice, especially mice, to meet this requirement under artificial breeding conditions. Also, on an animal scale, the mice, the gangster, are mammals, and, except for small bodies, are not inferior to the evolution levels of other mammals. The small body size becomes the favorable condition for artificial breeding and feeding; similarly, scindapsus aureus or sansevieria trifasciata was chosen as the experimental plant because it is easy to survive, low cost, and has better effect of absorbing waste gas, especially waste gas from textile printing and dyeing industry than other plants.
Carrying out physical examination on the experimental animals regularly, and recording physical examination data of the experimental animals each time; photographing the experimental animal regularly, and keeping the same photographing angle every time; periodically carrying out physical ability test and reactivity test on experimental animals; carry out content detection to the experimental plant regularly to record the content testing data of experimental plant at every turn, compare each item data of record at every turn with preceding data, explore the growth influence of waste gas to animal and plant, and can be comparatively accurate obtain the time and the cycle of its influence, be favorable to promoting the improvement of corresponding exhaust-gas treatment technique.
The cloud end is connected with the handheld device, the handheld device comprises a mobile phone and a tablet, public exhaust emission standard supervision apps are installed on the handheld device, all detection data are shared to the cloud end in real time and are shared to the apps through the cloud end, the public can monitor in real time, public and transparent monitoring is achieved, and the exhaust emission of each textile printing and dyeing factory is urged to reach the standard.
According to the invention, the discharged waste gas is directly led into the contrast experiment system, so that the complicated operation of independent sampling can be avoided, the purity of the waste gas can be kept, and the reliability of data comparison between the contrast experiment system and the detection equipment body 3 is ensured; all textile printing and dyeing factories in the range of the square circle with the waste gas emission not reaching the standard are forced to stop production for a period of time by taking the waste gas emission as the center, and the supervision of the waste gas emission is strengthened by utilizing the collective association effect; on the other hand, through the setting of multiunit control experiment, each item data that will record at every turn and preceding data are compared, explore the growth influence of waste gas to animal and plant, and can be comparatively accurate obtain its time and the cycle of influence, be favorable to promoting the improvement of corresponding waste gas treatment technique.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a be applied to textile printing and dyeing's exhaust-gas treatment check out test set, is including connecting in check out test set body (3) of gas-collecting device (1) inlet end department, its characterized in that: the device is characterized in that an exhaust funnel (2) is fixedly connected to the upper end of the gas collecting device (1), an external display device (4) is fixedly connected to the outer side end of the gas collecting device (1), the external display device (4) is connected with a cloud end, the external display device (4) comprises a display screen and an alarm, the display screen and the alarm are both electrically connected with a detection device body (3), a control experiment system is communicated with the side end of the gas collecting device (1) and comprises a plurality of experiment boxes (6), animals to be tested and plants to be tested are placed in the experiment boxes (6), a plurality of the experiment boxes (6) are both connected with gas guide branch pipes (7) and gas outlet pipes (8), an auxiliary gas guide pipe (5) is fixedly communicated with the side end of the gas collecting device (1), a plurality of the gas guide branch pipes (7) are both fixedly communicated with the auxiliary gas guide pipe (5), and an auxiliary detection device (9) is fixedly connected to the, and the auxiliary detection equipment (9) is electrically connected with the display screen and the alarm.
2. The exhaust-gas treatment detection device applied to textile printing and dyeing according to claim 1, characterized in that: and the gas guide branch pipe (7) is connected with a gas one-way check valve.
3. The exhaust-gas treatment detection device applied to textile printing and dyeing according to claim 1, characterized in that: the experimental boxes (6) are respectively provided with three conditions of animals to be tested, plants to be tested, animals to be tested and plants to be tested.
4. The exhaust-gas treatment detection device applied to textile printing and dyeing according to claim 3, characterized in that: and selecting animals with the same species, the same sex, the same size and the same health degree from a plurality of animals to be tested, and selecting plants with the same species, the same size and the same health degree from a plurality of plants to be tested.
5. The exhaust-gas treatment detection device applied to textile printing and dyeing according to claim 4, characterized in that: the animal to be tested can be selected from a mouse, and the plant to be tested can be selected from scindapsus aureus or sansevieria trifasciata.
6. The exhaust-gas treatment detection device applied to textile printing and dyeing according to claim 1, characterized in that: and carrying out physical examination on the experimental animals regularly, and recording physical examination data of the experimental animals every time.
7. The exhaust-gas treatment detection device applied to textile printing and dyeing according to claim 6, characterized in that: and (4) photographing the experimental animal regularly, and keeping the same photographing angle every time.
8. The exhaust-gas treatment detection device applied to textile printing and dyeing according to claim 7, characterized in that: the experimental animals were subjected to physical fitness test and responsiveness test periodically.
9. The exhaust-gas treatment detection device applied to textile printing and dyeing according to claim 1, characterized in that: and (4) periodically detecting the content of the experimental plant, and recording the content detection data of the experimental plant every time.
10. The exhaust-gas treatment detection device applied to textile printing and dyeing according to claim 1, characterized in that: the cloud end is connected with the handheld device, the handheld device comprises a mobile phone and a tablet, and the handheld device is provided with the public exhaust emission standard supervision app.
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| CN206990525U (en) * | 2017-05-04 | 2018-02-09 | 无锡汇能达科技有限公司 | VOCs administers monitoring integration system |
| CN107612958A (en) * | 2017-07-14 | 2018-01-19 | 深圳市中天明消防科技有限公司 | A kind of intelligent air detection method and system |
| CN109917078A (en) * | 2019-03-19 | 2019-06-21 | 青岛荣轩达检测服务有限公司 | A kind of wireless gas detection early warning cloud monitoring system |
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Application publication date: 20191224 |