44results about How to "Real-time monitoring of flow rate" patented technology

The invention provides a contaminated site soil-underground water integrated simulation remediation device and a contaminated site soil-underground water integrated simulation remediation method. Thedevice comprises four parts of a soil column simulation device, a groundwater water simulation device, a rainfall simulation device and a monitoring device, wherein the soil column simulation device mainly comprises a cylinder body, a water permeable geotechnical cloth and a soil sampling port, the groundwater simulation device mainly comprises a box body, a groundwater injection port, a groundwater outflow port, a groundwater sampling port, a peristaltic pump, a water inlet and outlet pipe and a liquid storage tank, and the monitoring device comprises an integrated monitoring probe. Accordingto the device of the invention, the combined simulation of the rainfall permeation effect and the water flow permeation effect of the soil vadose zone is achieved by using the rainfall and seepage simulation device, and the temperatures of the soil layer and the groundwater layer, the pH value, the dissolved oxygen, the groundwater flow velocity and other parameters are real-timely monitored by using the integrated monitoring probe, so that the complex structure of the vadose zone can be accurately simulated, and the soil/groundwater integrated remediation simulation and remediation process monitoring and evaluation is realized.

The invention provides a robot and a method for intelligently monitoring and evaluating a dangerous gas source in unsealing a closed roadway of a coal mine, and relates to the technical field of intelligent monitoring equipment of mines. The robot comprises a control system, a crawler-type driving system, a dangerous gas source monitoring system, a danger early-warning and intelligent evaluating system, a running data storing system and a navigation system, wherein the control system is used for receiving and processing wireless transmission signals; the a crawler-type driving system and the navigation system are used for controlling a walking route; the dangerous gas source monitoring system comprises a gas detection manipulator for monitoring the concentrations of gases such as O2, CH 4,NH 3 and the like with different heights; the dangerous gas source monitoring system is used for establishing an air field three-dimensional cloud picture of the closed roadway according to monitoring data; the danger early-warning and intelligent evaluation system is used for determining the roadway danger and finishing early warning; the running data storing system is used for storing the monitoring and evaluation results, and the detection data are used for comprehensively evaluating the danger of the seal opening of the closed roadway. The method solves the problem of comprehensively andaccurately evaluating the suffocation danger of the unsealed closed roadway.

The invention relates to the technical field of extraction of effective components of Chinese herbal medicines, in particular to a supercritical extraction device for effective components of Chinese herbal medicines. The supercritical extraction device comprises a first plate, a second plate, a third plate, first rods, second rods, a stirring mechanism, a liquid extracting pump, a separation mechanism, a liquid accumulation mechanism, a third rod, a decompression pump, side plates, a connecting plate, a CO2 tank and a heating mechanism, wherein the second plate is arranged above the first plate, the third plate is arranged above the second plate, the four first rods are vertically and fixedly connected between the first plate and the second plate, the four first rods have the same specifications and are distributed in a rectangular array, the four second rods are vertically and fixedly connected between the third plate and the second plate, the four second rods have the same specifications and are distributed in a rectangular array, the stirring mechanism is arranged between the first plate and the third plate, the liquid extracting pump is fixedly mounted in the center of the upper end surface of the second plate, the separation mechanism is fixedly mounted on the upper end surface of the second plate, and the liquid accumulation mechanism is fixedly mounted on the upper end surface of the first plate.

The invention discloses a flow velocity sensor optical chip based on graphene and application thereof. The optical chip is of a multi-layer film coupling structure with a quartz glass/graphene film/microfluid channel dielectric layer sequentially pasted on one side of the bottom edge of a rectangular prism, and a microfluid channel is formed in the side, tightly attached to the graphene film, of the microfluid channel dielectric layer. Real-time monitoring of the flow velocity of the fluid is achieved through the optical chip, due to the excellent optical characteristic of the graphene material and the dependent absorption characteristic of the graphene material on polarized light, the time resolution and the spatial resolution of the sensor are greatly improved, and the limitation that other flow velocity sensors can only monitor the flow velocity of conductive liquid is broken through; the flow velocity sensor optical chip can be used for monitoring the flow velocity of non-conductive liquid.

The integrated device comprises a metal DPF dust removal unit, a first air-cooled heat exchanger, a second air-cooled heat exchanger, an SCR denitration unit, an induced draft fan and a desulfurization unit; an outlet of the metal DPF dust removal unit is connected with an inlet of the first air-cooled heat exchanger, and an outlet of the second air-cooled heat exchanger is connected with an outlet of the second air-cooled heat exchanger; an outlet of the first air-cooled heat exchanger is connected with an inlet of the SCR denitration unit, an outlet of the SCR denitration unit is connected with an inlet of the induced draft fan, an outlet of the induced draft fan is connected with an inlet of the second air-cooled heat exchanger, and an outlet of the second air-cooled heat exchanger is connected with an inlet of the desulfurization unit. According to the invention, under the condition that the diesel engine ship uses light diesel oil, heavy diesel oil, shale oil and fuel oil, sulfur dioxide, nitrogen oxide and particulate matters in tail gas can be integrally treated, and the problems of black smoke generated by exhaust of the ship and excessive emission of pollutants are solved.

The invention discloses an aerial pesticide spraying monitoring system and method. The aerial pesticide spraying monitoring system comprises airborne equipment, wherein the airborne equipment is fixed on an agricultural aircraft; a spraying mechanism is arranged on the agricultural aircraft and comprises a chemical box, a liquid pump, a spraying pipe and an electronic spray nozzle which are connected sequentially; a spraying execution module for driving the liquid pump and the electronic spray nozzle is arranged on the airborne equipment, and the airborne equipment is connected with human-computer interaction equipment through a data interface module or a wireless communication module. According to the aerial pesticide spraying monitoring system and method, the airborne equipment is mounted on the agricultural aircraft, the spraying execution module of the airborne equipment is crosslinked with a control circuit of the liquid pump and the electronic spray nozzle of the spraying mechanism so as to control the liquid pump and the electronic spray nozzle conveniently, functions of real-time remote monitoring and intelligent control are provided, and an effective means is provided for precise management of pesticide spraying.

The invention discloses an automatic mortar conveying system applied to a large hydropower station and a construction method of the system. The automatic mortar conveying system comprises a mortar conveying system body and an automatic mortar manufacturing system. By means of the mortar conveying system body, epoxy base materials and curing agents are gradually conveyed to a construction position, so that a lot of labor and materials are saved, and work efficiency is improved. By means of the automatic mortar manufacturing system, mortar conveying and mortar manufacturing are integrated, and work efficiency is further improved. The construction method of the automatic mortar conveying system includes the following steps of (a) construction preparation, (b) field leveling, (c) construction mechanical equipment and material dispatching, (d) material collecting box installation, (e) mortar absorbing pipeline installation, (f) electric gear pump installation, (g) mortar conveying pipeline installation, (h) automatic mortar manufacturing system instillation, and (i) project acceptance. By means of the system and the method, productivity is freed, cost is reduced, construction efficiency is improved, semi-mechanization construction is achieved, construction of dam galleries, slope dam faces and construction areas where vehicle traffic congestion happens can be achieved through the system and the method, and mortar construction projects are optimized.

The invention discloses an overturn-preventing unmanned aerial vehicle take-off and landing platform with self-weight increased along with sea wave intensity, and relates to the technical field of flight auxiliary equipment. The platform comprises a lifting platform, and the middle part of the lifting platform is fixedly connected with a lifting mark; an inner ring positioning part is fixedly connected to the outer side of the lifting mark, a navigation lamp is fixedly connected to the outer side of the inner ring positioning part, an outer ring positioning part is fixedly connected to the outer side of the navigation lamp, a flow guide groove is formed in the outer side of the outer ring positioning part, and four hinges are movably connected to the outer side of the lifting table. According to the overturn-preventing unmanned aerial vehicle take-off and landing platform, through lifting marks, inner ring positioning and outer ring positioning, the unmanned aerial vehicle take-off andlanding auxiliary device can provide an accurate landing position in the take-off and landing process of the unmanned aerial vehicle to improve the take-off and landing accuracy, provide illuminationthrough the navigation lamp when the visibility is low or a take-off and landing task is carried out at night, play a role in auxiliary positioning, improve the practicability and applicability of the device and enable the device to have the condition of all-weather operation.

The invention belongs to the technical field of agricultural irrigation, and particularly relates to an agricultural irrigation device based on a network technology, which comprises a water pump, a main water supply pipe, a branch water supply pipe, a monitoring device and a spray nozzle which are connected in sequence. The monitoring device comprises a main body. The two ends of the main body areprovided with an upper joint and a lower joint. A controller and an Internet of Things unit are mounted in the main body. A first fixed rod is mounted in the monitoring device. A first rotating shaftis mounted on the first fixed rod. A first impeller is mounted on the first rotating shaft. A circular ring is mounted in the main body. A magnetic block is mounted on the circular ring. A first cavity is formed in the main body. A first sensor and a first extrusion block are mounted in the first cavity. A third cavity is formed in the main body, and a second sensor and a second extrusion block are mounted in the third cavity. A flexible plate is mounted at an opening of the third cavity. The agricultural irrigation device based on the network technology is simple in structure and can detectthe amount of water used for irrigation and the leakage condition of a pipeline.

The invention relates to an intelligent biological vaccine preparation control method and equipment based on a micro-fluidic technology, and adopts an intelligent micro-fluidic preparation system for biological vaccines. The preparation system comprises at least two liquid conveying pipelines, at least two micro-fluidic chips connected between the liquid conveying pipelines in parallel, a main control module, a monitoring module used for monitoring the flow speed, pressure and temperature, a pump used for supplying liquid, a valve used for opening and closing the pipelines and a temperature control module used for adjusting the temperature, and the control method of the production mode of the preparation system comprises the steps that parameters are set, starting preparation; the monitoring module monitors real-time parameters; the main control module compares the real-time parameters with set parameters and controls the pump, the valve and the temperature control module to adjust; and stopping preparation when the liquid actually participating in preparation reaches a set value, then cleaning and stopping operation. According to the invention, process parameters can be automatically regulated and controlled in real time in the preparation process, accurate, efficient and controllable intelligent preparation of biological vaccines is realized, and guarantee is provided for industrial linear amplification.

The invention discloses an intussusception resetting system and method. The system comprises intussusception resetting equipment and a disposable consumable structure; the disposable consumable structure is provided with a liquid inlet part, a waste liquid discharge part, an insertion part and a pressure monitoring connection part; and the intussusception resetting equipment comprises an automaticliquid inlet device capable of pumping perfusion liquid, a pressure control device used for setting the maximum perfusion pressure of perfusion liquid during intussusception resetting and monitoringthe perfusion liquid pressure in real time, and a flow speed adjusting device used for adjusting the perfusion flow speed of the perfusion liquid, an active pressure relief device can be used for reducing the perfusion liquid pressure, and main control system used for outputting a main control signal. The method is applied to the intussusception resetting system. Through system linkage control such as perfusion liquid speed control, perfusion liquid pressure control and active pressure relief control, the convenience and real-time performance of reset pressure control in intussusception can beimproved, the burden of doctors is reduced, and the safety of patients is improved.

The invention discloses a valve electric device and a using method thereof. The valve electric device comprises a hollow shock absorber and a valve pipeline, a built-in control box is arranged in thehollow shock absorber, a waterproof interlayer is arranged between the built-in control box and the hollow shock absorber, and a servo motor is arranged above the hollow shock absorber; a rotation speed detector is arranged in the middle of the servo motor, a fixing lug is arranged at the top of the servo motor, and the servo motor is connected with a water pump through a coupler; and the coupleris arranged inside a dustproof shell, a sliding groove is formed in the tail end of the water pump, and the water pump is installed on the valve pipeline. The valve electric device and the using method thereof have the beneficial effects that integration information detection can be conducted on liquid circulating inside, information including the temperature, flowing speed and viscosity of fluidis monitored in real time, an alarm is given when the situation that the information exceeds set values is detected, and workers are reminded to repair a valve; and the valve electric device further has the capability to regulate the flowing speed of the circulating liquid and is convenient and flexible to use.

The invention discloses a cooling mechanism of an injection molding machine. The cooling mechanism comprises an injection molding machine body, a feed pipe, at least one flow velocity detection assembly and at least one cooling assembly, wherein an injection molding machine cavity is defined in the injection molding machine body, a feeding end is formed in the injection molding machine body, and the feeding end communicates to the injection molding machine cavity; the feed pipe communicates to the feeding end, and the feeding end can convey a material to the injection molding machine cavity; the flow velocity detection assembly arranged on the feed pipe can detect the flow velocity in the feed pipe; and the cooling assembly is arranged on one side of the flow velocity detection assembly and corresponds to the flow velocity detection assembly, and the cooling assembly can cool the feed pipe. The cooling mechanism of the injection molding machine is simple in structure and good in cooling effect, and prevents blockage effectively.

The invention discloses a small distributed kitchen garbage composting device and a using method thereof. The small distributed kitchen garbage composting device comprises an air pump and a small fermentation bag, an air outlet port of the air pump communicates with an air inlet pipe, a cross pipe is installed on the surface of the bottom side of the small fermentation bag, the center of the crosspipe communicates with the air inlet pipe, a gas flow meter penetrates through the surface of the gas inlet pipe, a gas outlet pipe is communicated with the position, opposite to the cross pipe, of the surface of the top side of the small fermentation bag, and a collecting tank is communicated with one end of the gas outlet pipe. According to the small distributed kitchen garbage composting device and the using method thereof, a static composting system is adopted, the area occupied by composting is reduced, pathogenic bacteria and worm eggs in kitchen garbage can be effectively killed, the harmless purpose is finally achieved, the efficiency is high, the cost is low, and the environment-friendly purpose is achieved.