61results about How to "Concentration monitoring" patented technology

The invention discloses an intelligent water quality monitor combining an ultraviolet method and a fluorescence method and a usage method thereof, and belongs to the field of environment monitoring and water treatment. The intelligent water quality monitor comprises an optical path part, a detection part and a calibration part, and a constant current source circuit is connected with a deep-ultraviolet LED circuit; a linear stepping motor is provided with a drive rod, the drive rod is provided with a fixing frame, and two fluorescence filters are arranged in the fixing frame; the constant current source circuit, the linear stepping motor and an amplifying circuit are all connected with a micro processor, a processed signal is transmitted to a memorizer, a liquid crystal display and a ZIGBEE module by the micro processor, and the ZIGBEE module is connected with an upper computer PC; a pipeline, communicated with a cuvette, of a calibration pool is provided with a minitype electromagnetic valve II, the minitype electromagnetic valve II and a minitype electromagnetic valve III are both connected with the micro processor, and the lower side of the calibration pool is provided with the minitype electromagnetic valve III. According to the intelligent water quality monitor, on-line monitoring on protein and humic substances in water can be achieved.

The invention discloses an atmospheric pollution monitoring method and system based on the Internet of Things. The method comprises the steps that the concentration of the atmospheric pollutant is detected, and a first pollutant concentration value is obtained; whether the first pollutant concentration value is larger than the first pollutant concentration threshold value or not is judged based on the first pollutant concentration value and the first pollutant concentration threshold value, and a first judgment result is obtained; when the first pollutant concentration value is larger than the first pollutant concentration threshold value, the atmosphere purifying operation is executed, the concentration of the atmospheric pollutant is detected in first preset time, and a second pollutant concentration value is obtained; when the second pollutant concentration value is not larger than the first pollutant concentration threshold value, the atmosphere purifying operation is stopped. By means of the method, when the concentration value of the atmospheric pollutant exceeds the standard, the corresponding atmosphere purifying operation is carried out in time, the atmosphere pollution situation is effectively relieved, a large amount of electric power consumed in the atmosphere purifying operation can be reduced in time, and energy sources are saved.

The application discloses a nano-mist disinfection and sterilization device, including: a liquid storage system, a separation and drying system, a detection system, a spray system, a digestion and decomposition system, and a control system. The invention can spray the disinfectant in the liquid storage system through the spray system. into the separation and drying system, and discharged from the outlet of the separation and drying system to disinfect the space to be disinfected, the used disinfectant is recovered through the digestion and decomposition system, and absorbed and decomposed to prevent the spread of the used disinfectant from harming the human body or in the workplace Animals cause harm; in the present invention, the disinfectant is first sprayed into smaller particles through the spray system, and fully contacts with the bacteria in the air to achieve the purpose of sterilization, and it is not corrosive to objects and surfaces in the disinfection space; in the digestion and decomposition system of the present invention Different liquids can be set according to different disinfectants to absorb and decompose various disinfectants; in addition, the detection system can detect parameters such as the concentration of disinfectants in real time.

The monitoring system includes serial connected light source, lens (2), gas to be detected, lens (4), spectrograph and computer. Monitoring procedure includes following steps: (a) spectrum of gas to be detected is obtained by spectrograph; (b) peak value and valley value adjacent wave are taken from wavelength about 300nm; (c) peak value is I (lambda 1), and valley value is I (lambda 2); (d) concentration of SO2 is N obtained from formula N=-Ln[I(lambda 1)/I (lambda 2)]/{[delta (lambda 1) - delta (lambda 2)]XL}; Delta (lambda 1), delta (lambda 2) are values of absorption cross-section of SO2 at wavelengths (lambda 1) and (lambda 2), L is light path in gas to be detected.

The invention provides a preparation method of a standard sample composed of more than ten elements (As, Se, P and the like) and multiple phthalates in polyvinyl chloride (PVC). The method comprises the following steps: preparing a high-concentration master batch of which the concentration is several times of that of the standard sample, and mixing the high-concentration master batch with blank PVC to prepare the standard sample. In the high-concentration master batch preparation process and standard sample preparation process, two granulation processes are respectively performed. The target elements comprise Pb, Cd, Hg, Cr, Sb, Ba, Mg, Cu, Se and P. The phthalate substances comprise one or more of DBP (dibutyl phthalate), BBP (butyl benzyl phthalate), DEHP (di-2-ethylhexyl phthalate), DNOP (di-n-octyl phthalate), DIDP (diisodecyl phthalate) and DINP (diisononyl phthalate). The method can be used for obtaining the satisfactory standard sample, and the prepared sample has the advantages of high uniformity and favorable reproducibility.

The invention relates to a mine wet type dust removing device, which comprises a dust removing box body, a support frame and a water box, wherein the air inlet end of the dust removing box body is connected with a positive air tube; the positive pressure air tube is sequentially connected with an extraction type cyclone and a negative pressure air tube; a plurality of upper baffle plates and lower baffle plates in separated distribution are arranged in the dust removal box body; the two side surfaces of the partial upper baffle plates and the partial lower baffle plates are provided with water spraying spray heads; the single side surfaces of the partial upper baffle plates and the partial lower baffle plates are provided with water spraying spray heads; spray head water supply pipes connected with the water spraying spray heads are arranged in each of the upper baffle plates and the lower baffle plates; a water supply pump is arranged in the water box; the output end of the water supply pump is connected with the spray head water supply pipes through a water supply main pipe; the bottom of the inner side of the dust removal box body is provided with a temporary water storage pool; a water discharge opening of the temporary water storage pool is connected with a sewage box through a pipeline; the output end of a lifting pump arranged in the sewage box is connected into the water box through a pipeline; a reverse flushing device is arranged in the temporary water storage pool; and a pollution discharge opening matched with the reverse flushing device is formed in the dust removal box body.

The invention discloses an urban catering oil fume monitoring probe, which includes a lead, a fixed disk, powerful magnets, a monitoring device, an ultrasonic reflection baffle plate and a circuit board. The powerful magnets are all mounted on the fixed disk, the monitoring device is installed on the fixed disk through an aluminum alloy shell, the monitoring device consists of an ultrasonic transducer and sensors, the sensors including a temperature sensor and a pressure sensor that are installed on both sides of the ultrasonic transducer, and the ultrasonic reflection baffle plate is mounted at the top of the aluminum alloy shell through a reflection baffle plate support. The urban catering oil fume monitoring probe provided by the invention has the characteristics of convenient installation and simple structure, only uses one ultrasonic transducer, measures the flow rate by detecting the frequency shift signal and measures the concentration by detecting the sound intensity, has average power consumption of less than 10mW, thus creating the condition for long distance transmission of monitoring signals, and realizing concentration and flow rate monitoring on oil fume in urban catering enterprise oil fume discharge flues and conversion of oil fume discharge amount.

The invention belongs to the technical field of biomedicine, and provides an anesthetic gas concentration monitoring apparatus and monitoring method. The monitoring apparatus includes a gas flow regulating module, a light source drive module, a light sensing module, a signal amplifying module and a master control module. The master control module firstly controls the gas flow regulating module to regulate the flow of the anesthetic gas which flows in a monitoring pipeline, then controls the light source drive module to produce a light signal which is projected to the anesthetic gas, then the light sensing module converts the light signal to an electric signal, then the signal amplifying module amplifies the electric signal, and eventually the master control module receives the amplified electric signal, and acquires light intensity value based on the electric signal, and converts the light intensity value to an anesthetic gas concentration value, and transmits the anesthetic gas concentration value to an upper computer for performing waveform display. Through the aforementioned methods, the monitoring apparatus monitors the concentration of the sampled anesthetic gas in a rapid and accurate manner.

Disclosed is a geological CO2 storage system that allows geological storage and management of CO2 and has excellent reliability. The geological CO2 storage system comprises a geological CO2 storage section for storing CO2 stored in a plurality of storage tanks in a predetermined geologic formation, and a CO2 concentration detector disposed in an unsaturated zone located below a ground surface corresponding to the geologic formation where CO2 is stored detects a concentration of CO2 in the unsaturated zone. The geological CO2 storage section includes a manifold section formed of a plurality of section branches and used for introducing CO2 from a plurality of storage tanks, a distribution chamber communicating with the manifold section and an outlet side connected to an injection pipe extending toward the geologic formation so that the CO2 introduced through the manifold section is supplied to the injection pipe, a temperature regulator for regulating temperature of CO2 introduced into the distribution chamber, and a flux/pressure regulator for regulating a flux and a pressure of the CO2 to be geologically injected through the distribution chamber.

The invention relates to a rare earth-organic porous material, a preparation method thereof and application thereof in the detection of nerve disease marker glutamic acid. Through the technical scheme, the preparation method comprises the following steps: dissolving Ln(NO3)3.6H2O, hydroxyterephthalic acid and 2-fluorobenzoic acid into a mixed solution of an organic solvent, water and nitric acid;sealing after ultrasonic uniformity, putting the mixture in a baking oven at the temperature of 110 DEG C for 3 d; naturally cooling to room temperature, washing, filtering and drying to obtain the rare earth-organic porous material. The rare earth-organic porous material prepared in the invention has obvious fluorescent response to the nerve disease marker glutamic acid, rare earth luminescence is taken as an interior label, the luminescence of organic molecules is taken as a detection signal, high-selective detection for glutamic acid can be realized, and then the material can be used for early prevention and diagnosis of nerve diseases.

The invention relates to a system and method for monitoring nitrogen oxide density. The system is formed by an illuminate diode 1, a number one convex lens 2, a air channel 3, a number two convex lens 4, a spectrograph 5 and a computer 6, wherein 1 sends the light which is through 2,3,4 and into the light testing input end of 5; the data receiving unit of the tested gas of 6 from 5 can get the peak value I (ª™1)which is adjacent to the wavelength Anm and the alcove value I (ª™2) unit of the spectrum; it also can substitute the ª™1 and ª™2 into the formula Nú¢-Ln[I(ª™1)í‰I(ª™2)]í‰{[ªÊ(ª™1)-ªÊ(ª

The invention discloses a tunnel air quality monitoring method based on a convolutional neural network algorithm. The tunnel air quality monitoring method comprises the following steps: step 1, arranging a plurality of air quality monitoring nodes in a tunnel; 2, performing real-time collection and transmission of tunnel air quality related data; and step 3, analyzing and processing the data to obtain the air quality condition of the tunnel. According to the method, the air quality prediction convolutional neural network model is adopted to predict the air quality condition of the tunnel, the method is simple in step and convenient to implement, and meanwhile the sulfide sensor, the gas concentration sensor and the dust sensor are adopted to monitor the air quality in the tunnel; the method can monitor the concentration of sulfide, gas and dust at the same time, and is complete in function, high in working reliability, high in practicability, good in using effect and convenient to popularize and use.

The invention relates to the field of mine fire, gas and derived disaster protection equipment, in particular to a suspended track type movable fire-extinguishing explosion-proof device. The device comprises a motion execution system, wherein the motion execution system is suspended on a track and can move along the track; a carrier, wherein the carrier is arranged in the motion execution system,a cavity is formed in the carrier, and an openable box door is arranged at the bottom side of the carrier; and a fire extinguishing system, wherein the fire extinguishing system comprises a fire extinguishing agent heat preservation layer arranged in the cavity. The suspended track type movable fire-extinguishing explosion-proof device of the invention can monitor the conditions of gas concentration, temperature and the like in a mine in real time; after detecting that a fire occurs in the mine, fire extinguishing treatment is carried out through the stored dry water-carbon dioxide hydrate fire extinguishing agent; and after the fire extinguishing treatment, if the gas concentration in a roadway is too high, a self-suction explosion-proof system is started to suck the gas into the storagecavity to form hydrate with the water solution, so that the concentration of the gas in the roadway is reduced, and gas explosion in the mine is avoided.

The invention provides a solid particle recovering and removing apparatus which can save the space and can shorten processing time, a liquid managing apparatus which is provided with the solid particle recovering and removing apparatus, and an etching solution managing apparatus which is provided with the solid particle recovering and removing apparatus. The solid particle recovering and removing apparatus is provided with a housing (35) which is cylindrical; a central shaft (36a) which is disposed in the housing (35); screw vanes (36b) which are disposed in a spiral shape nearby the central shaft (36a) in a manner of approaching an inner wall of the housing (35); a flow inlet which supplies liquid containing solid particles; a discharge port which discharges the liquid containing solid particles; a solid particle discharge pipe which enables the solid particles to be discharged from the housing (35) and is arranged to be higher than the flow inlet and the discharge port. The housing (35) is arranged at a specified angle, and a motor (37) enables the screw vanes (36b) to rotate, thereby achieving the conveying of the solid particles in the liquid to the solid particle discharge pipe from the liquid in the housing (35) for discharge.

The invention provides a method and system for monitoring carbon monoxide concentration based on a network. The method comprises the following steps of: acquiring the concentration value of onsite carbon monoxide gas; sending the concentration value of the carbon monoxide gas to a smart terminal via the network; enabling the smart terminal to receive the concentration value of the carbon monoxide gas, determine whether the concentration value of the carbon monoxide gas exceeds a standard, and give an caution signal if yes. The system comprises a monitoring module, a determining module, and an alarm module. The determining module and the alarm module are arranged on the start terminal. The monitoring module is used for acquiring the concentration value of the carbon monoxide gas and sending the concentration value of the carbon monoxide gas to the determining module via the network. The determining module is used for receiving the concentration value of the carbon monoxide gas and determining whether the concentration value of the carbon monoxide gas exceeds the standard. The alarm module is used for giving an alarm when the determining module determines that the concentration value of the carbon monoxide gas exceeds the standard. The method and the system may monitor the concentration value of the carbon monoxide gas indoors in real time and give an alarm by means of the smart terminal.

The invention discloses an Internet-of-things-based atmospheric pollution monitoring system which comprises a gas collecting device, a PM2.5 monitoring sensor, a carbon monoxide sensor, a carbon dioxide sensor, a sulfur dioxide sensor, an ozone sensor, a central processor, a display device, an alarm device and a communication device, wherein the PM2.5 monitoring sensor, the carbon monoxide sensor,the carbon dioxide sensor, the sulfur dioxide sensor and the ozone sensor are separately connected to the gas collecting device; the gas collecting device is connected to the central processor; the central processor is separately connected to the alarm device and the communication device; and the communication device is separately connected to a monitoring central server and handheld terminal equipment of staff. The monitoring system can monitor atmospheric pollution in real time. When the concentration exceeds the standard, the system can alarm and prompt, and sends the detection result to the monitoring service center and a mobile phone of staff immediately, so that the staff can observe and analyze monitored data remotely.

The invention provides a solution concentration monitoring method. The concentration of a solution is monitored through monitoring the reaction rate of a polysilicon control wafer by utilizing the characteristics that the reaction rates of the polysilicon control wafer and the solution are stable when the solution concentration is in a certain range. Compared with methods in the prior art, the solution concentration monitoring method of the invention greatly decreases the cost.

The invention discloses a quantitative monitoring method for hexavalent chromium in foil washing water. The quantitative monitoring method comprises the following steps that hexavalent chromium standard color developing solutions of different concentrations are prepared, and a standard curve is made; the foil washing water to be tested is diluted to a required concentration, two 25mL volumetric flasks are taken, one volumetric flask is filled with mixed acid, a color developing agent and the diluted foil washing water to be tested, constant volume and uniform shaking are performed to obtain liquid to be tested, the other volumetric flask is filled with ultrapure water, mixed acid and a color developing agent, constant volume and uniform shaking are performed to obtain a blank sample, and the hexavalent chromium content in the liquid to be tested is determined according to the obtained standard curve; and the actual hexavalent chromium content of the foil washing water to be tested is calculated according to the hexavalent chromium content in the liquid to be tested. The method is simple in operation, low in cost and high in analysis speed, can accurately determine the concentrationof the hexavalent chromium in the foil washing water, and effectively monitors the hexavalent chromium concentration in a water body, thereby reducing the difficulty of treating hexavalent chromium waste water.

The invention provides an automatic stirring assembly for decoction of donkey-hide gelatin. The automatic stirring assembly comprises a mounting frame body. A cylinder body component and a stirring device are mounted on the mounting frame body. The cylinder body component is used for receiving guided donkey-hide gelatin raw materials and containing decocted molten donkey-hide gelatin. The stirring device is used for stirring molten donkey-hide gelatin decocted in the cylinder body component, the cylinder body component is fixedly arranged on the mounting frame body and comprises a storage cylinder body, an upper cover plate, a positioning cover shell and a lower cover plate, the lower cover plate is of a disc-shaped structure and is axially, vertically and fixedly arranged on the mounting frame body, a first fixing sleeve and a second fixing sleeve are coaxially arranged in the center of the lower end face of the lower cover plate, the second fixing sleeve is located on the inner side of the first fixing sleeve, a first receding hole penetrating through the first fixing sleeve and the second fixing sleeve is formed in the center of the lower cover plate, and the upper end face of the lower cover plate is a working face.

The invention discloses an ozone mixing tower for pure water sterilization. The ozone mixing tower is characterized by comprising a tower body, wherein a gas injection opening is formed in the bottom of the tower body, and is connected with an ozone generator through a pipeline; the top end of the tower body is provided with a liquid inlet; an aerator pipe is arranged in the tower body, and is connected with a gas injection opening; the aerator pipe is in a spiral shape; an aeration opening is formed in the aeration pipe; the upper end of the aerator pipe extends out of the tower body and is connected with the motor; a tail gas discharge opening and an overflow opening are also formed in the top end of the tower body; a plurality of concentration detectors are also arranged in the tower body. The ozone mixing tower provided by the invention has the advantages that the sufficient mixing of the ozone and the water can be realized, so that the water can be comprehensively sterilized; in addition, the concentration of the ozone in water in each position in the tower can be monitored.