18results about How to "Rapid dilution" patented technology

The invention relates to the technical field of combustible gas detectors, in particular to a combustible gas detector with an underground Internet of Things function, which comprises a gas exchange seat, a mounting mechanism rotatably connected to the bottom of the gas exchange seat, a combustible gas detector main body fixedly mounted at the bottom of the gas exchange seat, and a fixing frame fixedly connected to the bottom of the gas exchange seat. A movable frame is arranged on the fixed frame in a sliding fit mode, a protective cover is rotatably connected to the interior of the movable frame, an automatic maintenance mechanism is rotatably connected to the movable seat, and in the using process of the combustible gas detector, dust on the surface of the gas sensor is cleaned and maintained regularly through the automatic maintenance mechanism; the dust on the surface of the gas sensor can be automatically cleaned by utilizing the brush frame which rotates and swings in a reciprocating manner, the sensor can accurately read the gas concentration, the possibility of false alarm and missing alarm is reduced, the manual cleaning frequency is reduced through an automatic maintenance mechanism, and the labor cost and the maintenance workload are reduced, so that the service life of the sensor is prolonged.

The invention discloses an intelligent monitoring system for construction environment pollution, particularly relates to the field of tunnel construction environment pollution monitoring, is used for solving the problems of pollution diffusion and risk assessment, and accurately calculates an air flow vector field through an intelligent air pollution monitoring system in combination with a fluid dynamics principle and a Navier-Stokes equation. Air flow and pollutant diffusion paths in a tunnel are disclosed. And constructing a pressure gradient field, quantifying the pressure difference and air exchange capacity between regions, and providing driving force analysis of pollutant diffusion. Calculating a pollutant transmission coefficient through nonlinear coupling calculation in combination with an air flow correlation degree, a pressure gradient field and an air exchange capability coefficient, and quantifying the pollutant transmission capability of adjacent regions; and then real-time evaluation and grading are carried out on pollution risks, high-risk areas are identified in time, and early warning information is pushed through the intelligent terminal. Therefore, the ventilation strategy is optimized, the energy consumption is reduced, and the health of constructors and the construction safety are guaranteed.

The utility model discloses a uniform coating diluter for water-based coating production, and relates to the field of coating production. The uniform coating diluter for water-based coating production comprises a stirring unit, a diluting unit and a coating barrel positioning assembly, the diluting unit is arranged on the stirring unit and comprises a diluent feeding hopper fixedly connected to a bearing frame, and a diluting pipe is arranged on the diluent feeding hopper. When the uniform coating diluter for water-based coating production is used for diluting a coating, a diluent is dispersed from different heights when entering the coating and is rapidly and uniformly mixed under the stirring action of a stirring rod by utilizing the design of the diluting pipe and a plurality of groups of through holes, so that rapid dilution is realized; multiple dilution operations of multiple groups of coating barrels can be conveniently carried out, the dilution process is simple to operate, and the use requirements are met.

The invention discloses a flowing type full-automatic biological particle quantitative detection processing method and device, which are characterized in that detection signals are collected, processed and analyzed in real time, the concentration of a detected substance in a sample is calculated, and the dilution process is controlled, so that the accuracy and reliability of a detection result are ensured; through automatic concentration adjustment, real-time monitoring, calculation and automatic dilution of the sample concentration are realized, and the sample concentration is ensured to be adjusted to a reasonable range required by detection; the flowing of a sample and a diluent among a sample storage area, a sample dilution area, a diluent storage area, a sample detection area and a subsequent processing module is realized through a sample feeding module, and the high efficiency and continuity of a detection process are ensured through an integrated design; after the concentration of the sample reaches the standard, the sample can be subjected to follow-up treatment, such as sorting and separation, so that fine treatment of the sample is realized; the detection can cover a variety of biological particles, including nanoparticles, cells, extracellular vesicles, bacteria, viruses and the like, and has a wide application range.

The present application provides a high-performance implantable infusion port, which includes a puncture seat, a puncture membrane, a venous catheter and a catheter lock, wherein the top of the puncture seat is concave to form a liquid storage cavity; the puncture membrane is connected to the top of the port seat and covers the liquid storage cavity; the venous catheter is connected to the liquid storage cavity; the catheter lock is provided with a through hole along the axial direction, one end of the catheter lock is connected to the puncture seat, and the other end thereof is connected to the venous catheter, so that the venous catheter is connected to the liquid storage cavity; wherein the venous catheter includes an inner sleeve and an outer sleeve, and the inner sleeve or the outer sleeve is connected to the catheter lock; the outer sleeve is arranged on the outside of the inner sleeve, and its two ends are connected to the side walls of the inner sleeve, so that the outer sleeve and the inner sleeve form a sealed cavity, and the sealed cavity is provided with filling gas to solve the technical problem that the existing venous catheter is prone to bending and clogging, thereby causing non-thrombotic clogging.

The invention discloses a paddy field weeding machine with a weed collecting function, and relates to the technical field of agricultural weeding, the paddy field weeding machine comprises a transverse plate, a collecting box is assembled above the transverse plate, a box door is installed on the front face of the collecting box, and a ventilation opening grating is formed in the top face of the collecting box. When weeds enter the weed suction pipe, the weeds firstly make contact with the first mudguard, at the moment, soil is further filtered through the first mudguard, the soil can be screened out, meanwhile, sundries and foreign matter are blocked through the first mudguard, and therefore only the weeds can enter the weed suction pipe through the first mudguard; a second mud guard is arranged at the opening of the weed box, the second mud guard is used for filtering the mud again, a second mud screen in the second mud guard can screen the mud, and weeds enter the weed box through the second mud screen.

This utility model discloses an air conditioning and ventilation system for a ship's energy storage battery compartment, including a fresh air component, a temperature control component, an air supply component, a data acquisition component, and a control box. The air inlet of the fresh air component is connected to the outside, and the air outlet of the fresh air component is connected to the air inlet of the temperature control component. The air inlet of the air supply component is connected to the energy storage battery compartment, and the air outlet of the air supply component is connected to the outside. The control box is electrically connected to the fresh air component, the temperature control component, and the air supply component through the data acquisition component. The temperature control component includes two independent air conditioners, and the air supply ducts of the two independent air conditioners form a ring-shaped air conditioning air supply duct around the energy storage battery module. Multiple air supply outlets are spaced apart on the ring-shaped air conditioning air supply duct. The two independent air conditioners are electrically connected to the control box. This utility model's air conditioning and ventilation system for a ship's energy storage battery compartment can easily switch modes according to different scenarios, ensuring the normal and safe operation of the energy storage batteries on the ship.

The utility model discloses a dilution device for coating production, which comprises a bottom plate, a support plate fixedly arranged in the middle of the upper side of the bottom plate, a through hole formed in the middle of the upper side of the support plate, a driving shaft arranged in the through hole and rotatably connected with the through hole, a motor connected to the rear end of the driving shaft, and a motor fixedly connected with the support plate. The front end of the driving shaft is fixedly connected with an adjusting plate, the upper portion of the front side of the adjusting plate is hinged to a turnover plate, and the lower side of the adjusting plate is hinged to an adjusting plate. The device effectively solves the problem that in the prior art, in an existing device, the mixing efficiency of paint in the diluting barrel is inconvenient to adjust.

The utility model relates to the technical field of concrete admixture liquid diluters, and discloses an admixture liquid diluter with a damping effect, which comprises a base, a containing groove is formed in the middle of the upper end face of the base, and damping assemblies are fixedly arranged on the lower portions of the two sides in the containing groove. A diluter body is fixedly arranged at the upper ends of the two damping assemblies, sliding blocks are fixedly arranged on the lower portions of the middles of the two sides of the diluter body, sliding grooves are formed in the upper portions of the middles of the two sides in the containing groove, and an input hole is formed in the middle of the upper end face of the diluter body. A stirring assembly is fixedly arranged in the middle of the inner top face of the diluter body, an output valve is arranged in the middle of the lower end face of the diluter body in a penetrating mode, and the two damping assemblies comprise two hydraulic rods, two buffer grooves and two first bearing seats. According to the device disclosed by the utility model, damping and buffering in the process of diluting an additive are improved, and the abrasion of internal parts caused by vibration is reduced.

This utility model relates to the field of dilution equipment technology and discloses a demulsifier dilution device, including a support frame. A dilution tank is fixedly connected to the inner wall of the support frame. A water pump is connected to the left side of the bottom of the outer wall of the dilution tank. One end of the water pump is connected to a flexible hose, and the other end of the flexible hose is connected to a connecting pipe. The outer wall of the connecting pipe penetrates the support frame and is connected to an annular pipe. Multiple high-pressure nozzles are connected to the bottom of the outer wall of the annular pipe. A DC motor is fixedly connected to the rear side of the bottom of the outer wall of the dilution tank. A bevel gear is fixedly connected to the output end of the DC motor. In this utility model, the water pump is started to draw the mixture, which is guided to the annular pipe through the flexible hose and connecting pipe, and then sprayed out by the high-pressure nozzles. The DC motor is started to rotate the bevel gear, which meshes with the hollow bevel gear, driving the rotating column and the stirring blade to rotate. The counter-rotation of the stirring blade intensifies the liquid collision, thereby achieving rapid dilution.

The utility model discloses a rapid dilution device for micro samples, relates to the technical field of inspection, and aims to solve the technical problems that in the prior art, the pipetting amount of an existing common pipette is not accurate in the using process, and the calculation result is easy to make mistakes when an operator faces a large number of samples, so that the result cannot reach an ideal dilution ratio, and the product quality is influenced. Therefore, unnecessary waste of samples and large consumption of time are caused. A sample pool for filling a sample is arranged on the diluting device body, a hollow column is rotationally connected to the diluting device body, a cantilever is fixedly connected to the hollow column, a sample suction pipe is arranged on the cantilever, one end of the sample suction pipe is connected with an electric pump, and the other end of the sample suction pipe is used for sucking the sample in the sample pool. A program control box is arranged in the dilution device body, is electrically connected with the electric pump, and comprises a program control system, a power distribution system and a communication system.

The application relates to the technical field of mineral spring mineralization equipment, in particular to a mineralization filter core component, a filter core device and mineral spring mineralization equipment. The mineralization filter core component comprises a shell, the inside of the shell is provided with a pre-filter cavity and a mineralization filter cavity, the pre-filter cavity and the mineralization filter cavity are relatively isolated and are communicated through a pressure conducting component, the pressure conducting component is conducted under the action of water flow pressure to make the pre-filter cavity and the mineralization filter cavity be in series connection; the pre-filter cavity is provided with pre-filter material, the mineralization filter cavity is provided with mineralization filter material, the shell is provided with a water inlet interface and a water outlet interface, the water inlet interface is communicated with the pre-filter cavity, and the water outlet interface is communicated with the mineralization filter cavity. The mineralization filter core component, the filter core device and the mineral spring mineralization equipment provided by the application can effectively prevent the mineralization water concentration discharged from the mineralization filter core component from exceeding the standard because the pre-filter cavity and the mineralization filter cavity are relatively isolated, the volume of high-concentration mineralization water is small, and the high-concentration mineralization water can be quickly diluted.

The invention provides a method and system for controlling the blowing stability of a converter matched with high-oxidability solid waste. The method comprises the steps that a high-oxidability solid waste ball pressing raw material and molten iron are added into a converter molten pool; blowing oxygen into the converter molten pool by using an oxygen lance, and blowing the high-oxidability solid waste pellet raw material and the molten iron; in the blowing process, the foaming characteristic of slag in the converter molten pool is monitored, and when the foaming characteristic reaches a preset threshold value, the oxygen lance is lifted to the outside of the converter mouth so as to stop oxygen blowing; and after the oxygen lance is lifted, high-pressure nitrogen is immediately blown into the converter molten pool through the same oxygen lance, so that a nitrogen protective atmosphere is formed in the converter molten pool, the reaction rate of carbon and ferric oxide in the slag is reduced, and foaming and splashing of the slag are inhibited. Continuous oxygen supply is replaced with short-time, fixed-point and high-pressure nitrogen, and safe and high-yield smelting of high-oxidability solid waste is achieved.

The utility model provides a water treatment corrosion inhibitor preparation dosing device which comprises a water treatment dosing storage tank, a hollow inner column liquid storage bin is arranged between the upper inner wall and the lower inner wall of the water treatment dosing storage tank, and the inner side wall of the water treatment dosing storage tank is fixedly connected with a plurality of partition bin sealing spacer ring plates. A plurality of first electromagnetic liquid outlet valves are fixedly connected to the front side of the hollow inner column liquid storage bin, corrosion inhibitor liquid is accurately injected into the hollow inner column liquid storage bin through a liquid guiding guide pipe, the interior of the water treatment dosing storage tank is divided into equal-volume dosing bins through the multiple partition bin sealing partition ring plates, and the multiple first electromagnetic liquid outlet valves are fixedly connected to the front side of the hollow inner column liquid storage bin; a vertical electric guide rail drives an inner partition displacement ring to slide up and down along the inner side wall of a hollow inner column liquid storage bin, a liquid containing space communicated with a first electromagnetic liquid outlet valve can be flexibly regulated and controlled, then the amount of corrosion inhibitor liquid entering all dosing bins is accurately controlled, and the diversified requirements for storage and taking of corrosion inhibitors under different working conditions are met.

The utility model is applicable to the technical field of dilution equipment, and provides a rapid dilution device for developing solution production, which comprises a reaction tank, a top cover, a stirring component, a stirring component, a liquid inlet pipe, a liquid outlet pipe, a liquid outlet pipe, a liquid inlet pipe, a liquid outlet pipe, a liquid outlet pipe, a liquid outlet pipe, a liquid outlet pipe and a liquid outlet pipe, wherein the bottom wall of the reaction tank is communicated with the liquid outlet pipe and the liquid outlet pipe is fixedly provided with a control valve; the stirring assembly is rotatably arranged in the reaction tank, the driving mechanism is provided with a lifting assembly movably connected to the top cover and movably connected with the stirring assembly, and the rotating assembly is arranged on the top cover and movably connected with the lifting assembly and used for rotating the lifting assembly. The lifting assembly can control the stirring assembly to perform lifting adjustment in the reaction tank, and meanwhile, the rotating assembly controls the stirring assembly connected with the lifting assembly to rotate, so that the stirring of the developing solution filled in the reaction tank is realized; meanwhile, the lifting assembly capable of being adjusted in a lifting mode can properly adjust the stirring assembly according to the height of materials in the reaction tank.

The invention provides a sewage draining exit layout optimization method based on Fluent fluid simulation. The sewage draining exit layout optimization method comprises the following steps: S1, setting an optimization target; s2, a single drain outlet is formed in the center of the bottom of the culture pond and serves as a starting point of layout optimization; s3, evaluating whether the initial layout reaches a set optimization target or not; and S4, by taking the initial sewage draining exit as a circle center, adding sewage draining exits with the same specification one by one in the circumferential direction of the initial sewage draining exit, keeping all the sewage draining exits in the circumferential direction to be distributed at equal intervals, judging whether the new layout reaches a set optimization target or not according to a simulation result, and ending optimization until the sewage draining exit layout which can reach the set optimization target is found. By optimizing the layout and design of the drain outlets, the purpose of rapidly and efficiently discharging pollutants in the culture pond with the minimum number of drain outlets is achieved, the cost effectiveness and the stability of the pond body structure and the culture environment are guaranteed, and green and healthy development of the aquaculture industry is promoted.

The present invention relates to a three-roller net-laying device for a baler, comprising a net-laying plate, a net-laying frame, a net-laying mechanism, a net-cutting mechanism and a driving mechanism, and the technical key points are as follows: the net-laying mechanism comprises front and rear iron rollers and rubber rollers, the left and right inner ear plates are fixed to the front inner parts of the left and right side plates of the net-laying frame, the left and right outer adjustment plates are fixed to the rear outer parts, the upper ends of the left and right inner ear plates are hinged to the left and right side plates, the front iron roller is fixedly connected to the lower parts of the left and right inner ear plates, a tension spring assembly I is arranged between the middle parts of the left and right inner ear plates and the rear side plate of the net-laying frame, the lower ends of the left and right outer adjustment plates are hinged to the left and right side plates, the rear iron roller is fixedly connected to the middle parts of the left and right outer adjustment plates, a tension spring assembly II is arranged between the upper parts of the left and right outer adjustment plates and the left and right side plates, a wrench is arranged on the left side plate, a gap adjustment mechanism I is arranged between the wrench and the lower end of the left inner ear plate, and a gap adjustment mechanism II is arranged between the wrench and the upper end of the left outer adjustment plate. The present invention effectively realizes the net-laying operation, enhances the baling effect, and has high work efficiency.