35results about How to "Real-time monitoring of concentration changes" patented technology

The invention discloses an intelligent method for monitoring and the emission of wastewater pollutant in an industrial park. The method integrates the on-line pollutant measurement, the scientific measurement of the total pollutant emission and the real-time monitoring of the abnormal conditions of pollutant emission into a whole, selects an accurate and real-time on-line measuring instrument to realize on-line and real-time monitoring of the wastewater emission condition in the industrial park, not only overcomes the disadvantages that the chemical method has long sampling interval time, is difficult to carry out the real-time monitoring to the pollutant concentration and the scientific measurement and computation to the total pollutant emission and further can not effectively monitor and supervise the excess and stealthy emission in enterprises but also can adopt measures of warning in time, closing an overrun drain pipeline, etc. when the abnormal conditions occur in the process of pollutant emission, thereby effectively guaranteeing the safe and reliable operation in a wastewater centralized treatment plant in the industrial park and in particular being suitable for the real-time monitoring of the wastewater emission and the scientific measurement and computation of the total wastewater emission of the enterprises in the industrial park.

The invention belongs to the technical field of air pollution monitoring and particularly relates to a method for sampling and intersecting positioning of a drone for air pollution emission monitoring. The method comprises 1, determining the distance between an infrared thermal imager and a smoke source, 2, determining the relative positions of a drone and torch smoke plume, 3, determining the flying height and position of the drone through laser, and 4, carrying out sampling through the drone. The method fast determines the acquisition height and position of the drone through the infrared thermal imager and a laser pen, has high accuracy, is easy to operate and realizes a low manufacturing cost.

The invention discloses a multifunctional soil body permeability and pollutant interception capacity testing device which has the capabilities of controlling water head difference, water and soil contact area and pressure direction and measuring pollutant intercepting capacity of a soil body and is used for researching anti-seepage characteristics and pollutant intercepting characteristics of a vertical anti-seepage curtain of a landfill. The testing device is composed of a cavity, a concentration monitoring system, a pressurization system, a piston, a reaction frame and a base. By controllingthe piston, the pollutant transport law of the vertical curtain such as clay-bentonite under different water and soil contact areas, water head differences and bidirectional pressure conditions can be simulated, the pollutant interception capacity of the vertical curtain is evaluated, and permeability and pollutant interception performance indexes of different positions of the isolation wall areobtained. The device is simple and convenient in design, diverse in function and high in integrity, and can be used for testing the permeability and the sewage interception capacity of the vertical anti-seepage curtain soil body.

The invention discloses an antiseptic solution on-line monitoring system for a endoscope cleaning work station, and the antiseptic solution on-line monitoring system comprises a hardware system and a software system, the hardware system works under the management of the software system, the hardware system comprises a control module, a signal acquisition module, a communication module, a display control module and an alarm module, the signal acquisition module comprises a stock solution concentration signal acquisition unit, a pH signal acquisition unit and a temperature signal acquisition unit; the display control module comprises a touch screen; the alarm module comprises a alarm which is connected with a control module; the software system comprises a signal analysis module and a parameter setting module. According to the invention, automatic on-line monitoring of the cleaning fluid concentration is used for real time monitoring of the concentration changes of the cleaning antiseptic solution, thereby realizing intelligent monitoring management of the endoscope cleaning antiseptic solution, recording a present state of the effective concentration of the cleaning fluid, and the invention has the advantages of good accuracy, standard management of endoscope cleaning and disinfection without secondary pollution, and improved endoscope cleaning and disinfection quality.

An automatic collecting device for gas emitted in water-jetting boring comprises a gas sensor positioned in a roadway, a signal processing control device, a gas collecting hood and a drainage hose for connection; the gas collecting hood is fixed to the sidewall or top of the roadway, the gas sensor is arranged at an opening of a borehole, a collecting port of the gas collecting hood is adjacent to and oriented to the opening of the borehole, a connection branch pipe is fixedly communicated with a mine drainage pipeline, the gas collecting hood is connected with the connection branch pipe through the drainage hose, the connection branch pipe is provided with an electromagnetic valve, the electromagnetic valve is connected with the signal processing control device, an infrared transmitter is arranged in the gas sensor, and an infrared receiver is arranged in the signal processing control device; the gas collecting hood is made of aluminum alloy, and the diameter of the drainage hose is greater than or equal to 140 mm. The invention also discloses an automatic collecting method for gas emitted in water-jetting boring. The automatic collecting device and method for gas emitted in water-jetting boring are good in safety and reliability, allow gas emitted in water-jetting boring to be collected timely and effectively, and prevent local gas collection in the roadway to avoid potential safety hazards.

The invention discloses a method for online ultraviolet monitoring of a 1H-benzotriazole continuous crystallization process. The method mainly comprises the following steps: monitoring the concentration of 1H-benzotriazole in a system in real time through an attenuated total reflection ultraviolet spectrometer in the 1H-benzotriazole continuous crystallization process, and judging the degree of the continuous crystallization process by utilizing the ultraviolet characteristic peak position of 1H-benzotriazole and different absorbances at different moments. According to the method, the concentration change of 1H-benzotriazole in the continuous crystallization process can be monitored in real time, and a plurality of staying time needed for achieving the steady state in the 1H-benzotriazolecontinuous crystallization process is determined. For special acicular crystals, under the condition that equipment such as an FBRM and a Malvern laser particle size analyzer is not suitable, a staticmethod is not needed for sampling and analyzing the filtrate concentration or the suspension density, the operation is simple, the accuracy is high, and the steady-state point of the continuous crystallization process is judged at the second level.

The invention provides a blood brain barrier permeability detection method, device and system, and the method comprises the steps: determining a first target volume based on the attribute information of a to-be-detected drug obtained in advance, and transmitting a first instruction to an optical fiber measurement device based on the first target volume, the optical fiber measuring device determines a first light response value according to the first instruction; generating a target standard curve based on the first light response value, and sending a second instruction to the optical fiber measuring device according to the target standard curve, so that the optical fiber measuring device determines a second light response value according to the second instruction; generating a target concentration curve based on the second light response value; and based on the target concentration curve, obtaining the permeability of the to-be-detected drug in the target time period. According to the blood-brain barrier permeability detection method, device and system provided by the invention, the concentration change of drugs in the supply chamber and the receiving chamber can be monitored in real time, and meanwhile, simplicity and convenience in operation and high-throughput screening are considered.

The invention discloses a harmful gas blowing system applied to an ocean platform pile shoe. The harmful gas blowing system comprises an air conveying system, a gas conveying pipeline system, a monitoring device and a PLC controller, wherein the gas conveying pipeline system is used for conveying compressed gas to each position in the ocean platform pile shoe, so that the air replacement rate in the ocean platform pile shoe is increased; and the PLC controller is used for controlling the working state of the air conveying system according to the concentration of harmful gas in the ocean platform pile shoe. The system is simple in structure and easy and convenient to install, intelligent operation can be achieved, and great economic value and social benefit are achieved.

The invention discloses a highway engineering atmospheric-environment PM2.5 monitoring method. The method is characterized in that a PM2.5 monitoring device is used for highway engineering atmospheric-environment PM2.5 monitoring; and the device comprises a dust equipment case (1), a light receiving element (2), a receiving plate (3), a scattering plate (4), a light emitting element (5), a first air exhausting pipeline (6), a second air exhausting pipeline (7), a first fan motor (8), a second fan motor (9), a first air exhausting port (10), a second air exhausting port (11), a first air exhausting passage (12), a second air exhausting passage (13), a first air entering port (14), a second air entering port (15), a first air collection port (16), an air sending channel (17), a second air collection port (18), an air separation channel (19) and a particle retention device(20). According to the method, independent measurement of PM2.5 concentration can be carried out, and vehicle-mounted-mobile-type measurement of the PM2.5 concentration can also be carried out.

The invention discloses a highway engineering atmospheric-environment carbon-dioxide monitoring method. The method is characterized in that a carbon-dioxide monitoring device is employed for highway engineering atmospheric-environment carbon-dioxide monitoring; The device comprises an air collection port (1), an air inlet (2), a carbon-dioxide equipment box (3), a light receiving element (4), a first air exhausting port (5), a first fan motor (6), a first air exhausting pipeline (7), a second air exhausting pipeline (8), a second fan motor (9), a second air exhausting port (10), an infrared illuminating element (11), an absorbing plate (12), a first air exhausting passage (13), a second air exhausting passage (14), a data collection storage system and a power supply system; and the first air exhausting pipeline (7) has an automatic filtering function. The method can realize a self-cleaning function of equipment under a condition of heavy carbon-dioxide pollution. Independent measurement of carbon-dioxide concentration can be carried out, and vehicle-mounted-mobile-type measurement of the carbon-dioxide concentration can also be carried out.

The invention provides an atmospheric environment PM2.5 monitoring device for engineering construction. The device comprises a dust equipment chassis (1), a light receiving element (2), a receiving plate (3), a scatter plate (4), a light emitting element ( 5), a first exhaust pipeline (6), a second exhaust pipeline (7), a first fan motor (8), a second fan motor (9), a first exhaust port (10), a second exhaust port (11), a first exhaust passage (12), a second exhaust passage (13), a first air inlet (14), a second air inlet (15), a first gas collection port (16), a gas supply passage (17), a second gas collection port (18), a gas distribution passage (19), a particle retention device (20), a data collection and storage system and a power supply system. The instrument can meet a self-cleaningfunction of the equipment under the heavy pollution condition of PM2.5. The PM2.5 concentration can be measured independently, or the PM2.5 concentration can be measured in a vehicle-mounted mobile manner.

The invention relates to a device to inspect the sand gasoloid concentration and the variational rule. The real-time inspector is made up of the sampling system, the gas-liquid transition ware, the forced ventilating system, the data collecting, storage and the wireless transfer system and the computer. The data collecting, storage and the wireless transfer system is made up of the data acquisition device, the data control instrument and the wireless transfer module; the sampling system, the gas-liquid transition ware, the forced ventilating system, the data acquisition device are all connected with the data control instrument which is connected to the wireless transfer module by the signal line which is connected with the computer by the data communication wet. The invention is used in the closed earth surface, so it can sample in many points, layers and gradients. The invention is proper for the country condition and has the proper price and reliable performance.