24 results about "Inertial impaction" patented technology

The invention relates to the technical field of separation, and particularly discloses a multi-stage gas-liquid separator which comprises a shell, and an inertial collision separation unit, a defoaming separation unit and a condensation separation unit which are arranged in the shell, a spiral collision plate in the inertial collision separation unit periodically changes the width of an inertial collision flow channel through up-down reciprocating motion to form a pulse type variable-diameter spiral channel, the separation effect of high-viscosity reaction byproduct liquid drops is improved, a bidirectional fluid path is formed by the inertial collision flow channel and a floating flow channel, and interstage backmixing is avoided; an outer silk screen and an inner silk screen in the defoaming and separating unit form a gradient interception barrier, and by combining directional back blowing of an inverted-cone-shaped back blowing piece, aerosol and gas are effectively separated, and meanwhile the silk screen blocking rate is reduced; the first annular fins and the second annular fins in the condensation separation unit are of a staggered distribution topological structure, a laminar flow boundary layer is broken, gas forms turbulent disturbance in the condensation separation unit, and the condensation droplet polymerization rate is increased.

The invention relates to the technical field of air blowers, and discloses an automatic cleaning centrifugal air blower which comprises a centrifugal air blower body, an air inlet and an air outlet are formed in the centrifugal air blower body, a filtering device is arranged at the air inlet in a communicating mode, and a rotating ring is rotationally installed in the air inlet; the interior of the rotating ring is fixedly connected with a rotating disc through a plurality of connecting frames, and the rotating disc and the rotating ring are both hollow. A dynamic filtering system is constructed by adopting multiple layers of dust filtering belts made of hydrophilic fiber materials, a continuous water film is formed by utilizing a capillarity phenomenon, the contact probability is increased by combining flexible antennas, small-particle dust in airflow is efficiently captured through surface tension, adhesive force and an inertial collision effect, the filtering precision is remarkably improved, and the dust removal efficiency is improved. The rotating disc and the rotating ring drive the dust filtering belt to revolve through impeller power and a speed reducer, the driving roller is driven to rotate through gear ring gear transmission to form a dynamic cleaning path, and continuous dust removal is achieved in cooperation with scraper stripping and centrifugal drainage.

The invention relates to an oil-gas separation device, a refrigerating system and an air conditioner. The oil-gas separation device is used for improving the oil-gas separation efficiency. The oil-gas separation device comprises a shell, the shell is sequentially provided with an inlet, a first outlet and a second outlet from top to bottom in the vertical direction, the inner wall of the shell is provided with a spiral groove, and the spiral groove is located between the inlet and the first outlet; and the separation net is arranged in the shell and is positioned between the spiral groove and the first outlet. According to the oil-gas separation device, centrifugal separation formed by the spiral groove is combined with inertial collision separation achieved by the separation net, lubricating oil in exhausted gas of the compressor can be effectively recycled in a compact structure, and the oil-gas separation efficiency is improved.

The invention discloses a brushless direct current vibration motor, and relates to the technical field of motor equipment. Comprising a motor body, continuous rotation is converted into instantaneous pulse impact through meshing of an inner ratchet ring, a tooth block and a pawl, high-quality and high-strength click type tactile feedback is generated and far exceeds the rotating vibration texture of a traditional ERM motor, a centrifugal clutch is formed by a first spring and a first telescopic rod, and the motor body is driven by the first telescopic rod to rotate. By means of the structure, strong impact can be generated only at the high rotating speed, decoupling of the vibration strength and the rotating speed is achieved, false triggering impact at the low speed is effectively buffered, the mechanism is protected, and a mechanical buffering layer is built between the movable block and the rotor body through the limiting assembly. The impact force and noise generated when the movable block is thrown out and withdrawn and collides with the body are greatly reduced, the problems of material fatigue and damage caused by inertial collision are effectively solved, the durability of the impact mechanism is remarkably improved, and the service life of the impact mechanism is remarkably prolonged.

This application discloses a two-stage virtual impactor for sorting submicron particles, belonging to the field of aerosol separation. The virtual impactor includes a housing and a first-stage and a second-stage virtual impactor disposed within the housing. Both the first-stage and second-stage virtual impactors are arranged parallel to each other along the length of the housing. A deflection channel is also provided within the housing. One outlet of the first-stage virtual impactor is connected to the inlet of the second-stage virtual impactor through the deflection channel. This virtual impactor, through staged processing, optimizes design parameters for each stage within a specific particle size range, resulting in a more uniform particle group and reducing the probability of non-target impacts on the wall due to mixing. This design systematically reduces particle losses caused by inertial impaction, turbulent entrainment, and other mechanisms, enabling it to better adapt to low-concentration, high-precision particle separation, significantly improving separation efficiency and data reliability.

The present invention relates to the field of separation technology, and specifically discloses a multi-stage gas-liquid separator, including a shell and an inertial collision separation unit, a defoaming separation unit and a condensation separation unit arranged in the shell; the spiral collision plate in the inertial collision separation unit periodically changes the width of the inertial collision flow channel through up and down reciprocating motion, forming a pulsed variable-diameter spiral channel, thereby improving the separation effect of high-viscosity reaction by-product droplets, and the inertial collision flow channel and the floating flow channel form a two-way fluid path to avoid inter-stage back mixing; the outer wire mesh and the inner wire mesh in the defoaming separation unit form a gradient interception barrier, combined with the directional backblowing of the inverted cone backblowing part, to promote the effective separation of aerosol and gas, while reducing the wire mesh clogging rate; the first annular fin and the second annular fin in the condensation separation unit adopt a staggered distribution topology structure to break the laminar boundary layer, so that the gas forms turbulent disturbance in the condensation separation unit, thereby increasing the aggregation rate of condensed droplets.

The invention provides a coal mine dust treatment device, and relates to the field of coal mine dust treatment and environmental protection equipment. Comprising three core parts, namely an intelligent mobile air suction platform, a first-stage inertial collision dust removal module and a second-stage modular wet-type adsorption filtering module, and the intelligent mobile air suction platform carries a dust concentration sensor and a telescopic adjusting rod and can autonomously move and accurately position a dust pollution area; the first-stage inertial collision dust removal module is used for carrying out inertial collision and adsorption treatment on large-particle respirable dust of 3-7 microns and is provided with a pulse injection dust removal system, and the second-stage modular wet adsorption filtering module is used for carrying out centrifugal and wet adsorption deep dust removal on fine particles smaller than or equal to 3 microns and is provided with an ultrasonic wave and brush composite dust removal system. Efficient removal of respirable dust is achieved through the two-stage dust removal structure, autonomous operation and self-cleaning of the device are achieved through cooperation of various sensors and an intelligent control system, and the device is suitable for various dust pollution operation scenes such as coal mining and transportation and has the advantages of being high in dust removal efficiency, high in adaptability, high in intelligent degree and high in practicability. The coal mine dust treatment problem is effectively solved.

The invention relates to the technical field of dispatching devices, and discloses a digital twinning-based steel fireproof door flexible production dynamic dispatching device which comprises a cabinet body, a heat dissipation opening for airflow circulation is formed in the top of the cabinet body, a mounting groove is formed in the back face of the cabinet body, and a detachable filter plate is mounted through the mounting groove; a mounting frame is fixed in the cabinet body, a plurality of blades for intercepting dust are rotationally connected to the surface of the mounting frame, an included angle smaller than 90 degrees is formed between the blades and the mounting frame, and the included angle ranges from 30 degrees to 60 degrees; mounting holes are formed in four corners of the filter plate; the blades and the mounting frame are distributed on the surface of the mounting frame at the included angle smaller than 90 degrees, and dust directly enters the cabinet body along with airflow, so that part of dust can directly impact the surfaces of the blades when entering along with the airflow through the arrangement of the blades; and due to inertia, the blades collide with the surfaces of the blades and finally slide along the blades or accumulate on the surfaces of the blades to be intercepted by the blades and are prevented from entering the cabinet body.

The invention relates to an aerosol deposition test method and system for a containment in a nuclear power station. Comprising the following steps: determining a target boundary condition of an aerosol deposition test of a containment in a nuclear power plant and an inertial collision deposition rate under a condensation-free condition; obtaining a second target boundary condition based on the target boundary condition; based on a second target boundary condition, performing a steam-aerosol impact jet test to obtain an aerosol deposition rate under the combined action of steam inertial collision and droplet precipitation; based on the inertial collision deposition rate under the condensation-free condition and the aerosol deposition rate under the combined action of steam inertial collision and droplet precipitation, obtaining the aerosol deposition rate corresponding to the droplet precipitation phenomenon; obtaining a third target condition based on the second target boundary condition; based on the third target boundary condition, a steam-aerosol impact jet test is conducted, and the aerosol deposition rate corresponding to wall surface condensation is obtained. By adopting the method, the retention mechanism and the particle size evolution rule of the aerosol can be comprehensively and truly reflected.

The invention discloses a smoke dust separation device based on combination of vortex street turbulent flow and baffle inertia collision. The smoke dust separation device comprises a main flow elbow, a vortex street generation cylinder is arranged in the main flow elbow, an ash bucket is arranged at the bottom of the main flow elbow, a flow guide baffle is arranged in the main flow elbow and the ash bucket in a penetrating mode, and an ash discharging bin is arranged on the lower portion of the ash bucket. The invention further discloses a smoke dust separation method based on combination of vortex street turbulent flow and baffle inertia collision, and the problem that an existing dust removal device is low in dust removal efficiency is solved.

The utility model discloses a tail gas pre-dedusting treatment device for directional conversion of glyphosate mother liquor. The tail gas pre-dedusting treatment device comprises an inertial collision dedusting device and a tail gas detection device, the inertial collision dust removal device comprises a dust removal body, one side of the bottom of the dust removal body is connected with an air inlet pipeline, a filter screen is arranged in the air inlet pipeline, the bottom end of the air inlet pipeline is connected with an impurity discharge pipeline, and the top of the dust removal body is connected with an exhaust pipeline; a plurality of dust blocking plates are fixedly arranged in the dust removal main body, are of inverted L-shaped structures, and are mounted in a stepped staggered manner; the bottom of the dust removal body is of a funnel-shaped structure, and the bottom end of the dust removal body is provided with an accumulated dust discharge port and an oscillator. The tail gas detection device comprises an inlet gas detection device and an exhaust gas detection device; in general, the utility model has the advantages that the subsequent treatment is facilitated, the efficiency of the dust remover is improved, and the dust removal cost and time are saved.

This utility model relates to a dust removal device for an expansion furnace, comprising a centrifugal separation section connected in sequence, having a first air inlet, a first exhaust outlet, and a first dust outlet; an inertial collision separation section; a filtration and adsorption section; and a dust removal assembly arranged below the centrifugal separation section and the inertial collision separation section for receiving the separated dust. The inertial collision separation section includes a shell with a second air inlet, a second exhaust outlet, and a second dust outlet, wherein the first exhaust outlet is connected to the second air inlet; multiple vertically spaced baffles arranged side-by-side within the shell, with adjacent baffles forming a collision channel connecting the second air inlet and the second exhaust outlet, and the bottom of the collision channel connecting to the second dust outlet; and a vibration mechanism connected to the baffles to vibrate and clean medium-sized particles, causing them to fall into the second dust outlet. This effectively intercepts particles of different sizes and achieves continuous dust removal.

The invention discloses waste gas treatment equipment which comprises a shell and a separated phase adsorption device, and the shell is provided with an inlet suitable for guiding in gas flow and an outlet suitable for guiding out treated gas flow; the separated phase adsorption device comprises a separated phase adsorption part or at least two separated phase adsorption parts which are sequentially arranged in the direction from an inlet to an outlet, each separated phase adsorption part comprises an electric field release assembly and an adsorption assembly, and the electric field release assembly is suitable for generating an electric field and applying charges to a separated phase in entering airflow; and the adsorption assembly is suitable for adsorbing the separated phase which is charged by the discharge assembly. By means of electrostatic adsorption and inertial collision, a gas phase, a liquid phase and a solid phase in waste gas are well separated, and the device is convenient to use.

This invention discloses a remotely controllable inertial-electrostatic field multi-mode bioaerosol sampling system. The system includes an inertial bioaerosol sampler, an electrostatic field bioaerosol sampler, and a remote controller. The inertial sampler captures aerosol particles using the principle of inertial impaction and is equipped with sampling heads with different flow rates of 1000 / 1300 / 1500 L / min. The electrostatic field sampler employs the principles of corona discharge and electrostatic adsorption, with a uniquely designed air duct that creates a descending and then ascending inlet airflow and a uniformly flowing outlet airflow. When used together, the two systems achieve a capture efficiency of ≥98% for particles larger than 1µm, with a wide particle size sampling range of 0.01-100 µm. The remote controller wirelessly controls the two samplers at a distance of ≥100 m, enabling synchronous or time-sharing multi-mode sampling of aerosols with a wide particle size range. The advantage of this invention is that it balances high efficiency and high flow rate sampling of aerosols with a wide particle size range while reducing biosafety risks to personnel.

The utility model discloses a fine filtration oil-gas separation device of an air compressor, which relates to the technical field of oil-gas separation devices and comprises a separation bin, an oil baffle plate is fixedly connected to the lower side of the inner wall of the separation bin, a flow guide partition plate is fixedly connected to the inner side wall of the separation bin, and a rotating column is rotatably mounted at the top of the flow guide partition plate. A guide pipe is fixedly mounted in the rotating column, a mounting groove is formed in the right end of the separation bin, a mounting sliding frame is slidably connected into the mounting groove, and a filter plate is fixedly mounted in the mounting sliding frame. Through the arrangement of the oil baffle plate, the guide pipe and the filter plate, oil mist with large particles collides with the oil baffle plate due to inertia to be separated from air, then centrifugal force is generated through rotation of the guide pipe, medium oil mist is thrown to the inner wall of the separation bin, and finally fine oil mist is adsorbed and filtered through the filter plate. Oil-gas separation is achieved in a multi-stage filtering mode, the filtering precision is high, the air quality is effectively improved, and the high use requirement is met.

The present invention discloses a multi-air purification device for a dust workshop, which includes an air inlet box body, a purification box body, and an air outlet box body arranged in sequence from front to back; an inertial collision filtration area and a filter screen filtration area located behind the inertial collision filtration area are arranged in the purification box body. A water tank is arranged at the bottom of the inertial collision filtration area. The filter screen filtration area includes a first filter screen, a second filter screen, and a cleaning device; the cleaning device includes a moving cleaning brush mechanism and a dust suction mechanism. The moving cleaning brush mechanism is arranged between the first filter screen and the second filter screen. The moving cleaning brush mechanism can move in the up and down direction and contact the surfaces of the first filter screen and the second filter screen. The dust suction mechanism includes a dust suction pipe, a dust suction pump, and a dust outlet pipe. The present invention can form multi-air purification and can clean the filter screen filtration area without disassembling the device.

The application discloses an air purification method and device based on spontaneous jumping of condensed droplets on a functional surface. The method utilizes the enhanced super-hydrophobic properties of the functional surface to enable spontaneous jumping of the condensed droplets when the environmental water vapor condenses on the low-temperature functional surface of the heat exchanger, thereby continuously and efficiently ejecting the tiny droplets into the air. The method simulates the rainfall process to adsorb, agglomerate and remove aerosol particles in the indoor air. The condensed droplets can obtain high-density micro-energies such as surface energy, kinetic energy and electric energy during condensation and jumping, and through the synergistic effect of inertial collision, interception and thermophoresis capture mechanisms, high-efficiency capture of the suspended particles in the air is formed. The spontaneously generated hydrogen peroxide of the condensed droplets also has a purification function of disinfection and sterilization, which can reduce the risk of virus and bacteria transmission in the indoor environment. The method provides a new scheme of low cost, high efficiency, no filter components and additional energy consumption for the purification of indoor air and fresh air.

The invention relates to the technical field of gas turbine air purification, in particular to an air inlet structure for gas turbine air purification, which comprises an air inlet cylinder, an air filter cavity, a baffling cavity and a spiral cavity are arranged on the air inlet cylinder, a porous spiral ceramic plate is mounted in the spiral cavity, and a filter membrane component is mounted in the air filter cavity. The designed spiral cavity can greatly prolong the air filtering stroke, the porous spiral ceramic plate filled in the spiral cavity can fully filter air at the moment, particles are efficiently captured through inertial collision and interception, meanwhile, ceramic is resistant to high temperature and suitable for the high-temperature working condition of a gas turbine, and compared with a traditional metal wire mesh, the filtering effect is better. The dust holding capacity of the porous spiral ceramic plate is higher, the hollow fiber membrane is designed to more effectively capture particles such as dust, when air flows along the inclined part of the hollow fiber membrane, the vertical part of the hollow fiber membrane can relieve the impact on the inclined part of the hollow fiber membrane when the air is raised, and the deformation degree of the hollow fiber membrane is reduced.

This invention discloses a dust removal device for mining applications in the field of mining environmental engineering technology. The device includes a pipe, a fence, an atomizer, and a fan. The fence is installed inside the pipe, the atomizer is located between the pipe inlet and the fence, and the fan is connected to the pipe inlet. The fan uses turbulent blades. The atomizer creates a high-concentration, uniform water mist field, causing fine dust particles and water droplets to combine under Brownian motion and inertial collisions to form moist condensation nuclei. The fan then creates a turbulent flow field inside the pipe, causing free dry dust particles and tiny droplets to collide with the formed condensation nuclei at high frequency, resulting in mutual adhesion and agglomeration. A fence is installed downstream of the atomizer to intercept the agglomerated sludge. Clean airflow passes through the fence openings and is discharged through the outlet, achieving precise capture and efficient interception of respirable dust.

This application provides a high-temperature flue gas inertial separation device, including a separation container, an isolation component, an air inlet component, and an air outlet component. The isolation component is disposed within the separation container and divides its internal cavity into a connected air inlet chamber and an air outlet chamber. The air inlet component is disposed within the separation container and communicates with the air inlet chamber, and the air outlet component is disposed within the separation component and communicates with the air outlet chamber. The air outlet component includes at least two air inlets, which are symmetrically arranged on the sidewall of the air inlet chamber of the separation container, so that the flue gas entering from the at least two air inlets forms an opposing flow field within the air inlet chamber. This high-temperature flue gas inertial separation device, by forming an opposing flow field, causes dust particles in the flue gas to rapidly decelerate, agglomerate, and lose kinetic energy under strong inertial collisions and momentum cancellation, thereby achieving efficient separation and sedimentation. This significantly improves the collection efficiency of fine particles while reducing dependence on a single high flow velocity, thus reducing pressure loss and equipment wear.

This invention discloses an automatic flushing inertial collision-type demister system and its usage method, belonging to the field of industrial waste gas purification and treatment technology. The system includes a demister body, a water supply unit, a drainage unit, and a control unit. The demister body has a first treatment section, a second treatment section, and a third treatment section arranged sequentially along the airflow direction. The water supply unit provides washing water to the first and third treatment sections, the drainage unit collects the wastewater discharged from the second and third treatment sections, and the control unit controls the linkage operation between the water supply unit and the demister body. Through the synergistic design of the multi-stage treatment structure and the automatic flushing function, this invention can efficiently capture fine mist droplets in dust-laden wet flue gas, effectively prevent dirt accumulation, and has the advantages of high separation efficiency, stable operation, strong adaptability to working conditions, and convenient maintenance. It is suitable for the purification and treatment of exhaust gas from humidifying mixers in industries such as chemical, building materials, and environmental protection.

The invention relates to the technical field of industrial dust removal, and discloses an inertia wet type integrated labyrinth water curtain dust removal system which comprises an air inlet pretreatment module, a labyrinth type gas-liquid contact dust removal module, a dual demisting module, an intelligent water circulation module, a cooperative control module and an air outlet monitoring module. The air inlet pretreatment module is used for realizing air flow equalization and particulate matter pretreatment, the labyrinth type gas-liquid contact dust removal module adopts staggered partition walls to form a zigzag flow channel, a flow channel width adjusting assembly and a nozzle angle control unit are combined, running parameters are dynamically adapted based on waste gas flow and dust concentration, and dust capture is realized through inertial collision; the intelligent water circulation module is used for recycling, treating and circularly supplying spraying liquid; the double demisting module is used for reducing the moisture content of gas at an outlet; the cooperative control module is linked with each module to realize parameter adaptive adjustment and fault alarm; and through module cooperation and a dynamic adaptation mechanism, the dust removal efficiency is improved, the water resource consumption is reduced, and stable operation is guaranteed.

The heat management integrated assembly comprises a compression device, the compression device comprises a shell, a gas-liquid separation mechanism and a compressor core, the shell is provided with an air suction port, a compression cavity and a gas-liquid separation cavity, the compressor core is located in the compression cavity, the gas-liquid separation cavity communicates with the air suction port, and the gas-liquid separation mechanism comprises a first separation plate; the first separation plate is located between the compression cavity and the gas-liquid separation cavity, the first separation plate is connected with the shell, the first separation plate is provided with a first hole, the first hole is communicated with the gas-liquid separation cavity, and the first hole is communicated with the compression cavity. The first separation plate is located between the compression cavity and the gas-liquid separation cavity, the first hole communicates with the gas-liquid separation cavity, the first hole communicates with the compression cavity, and after a working medium flows into the gas-liquid separation cavity, part of liquid phase components in the working medium are separated under the inertial collision effect, and the working medium flows into the compression cavity through the first hole. The communication structure of the gas-liquid separation mechanism is simplified, so that the structure of the heat management integrated assembly is relatively simple.

The invention discloses an inclined plate wet type dust removal circulation all-in-one machine and a method, and relates to the technical field of air pollution control. The equipment adopts a modular integrated design, a folded inclined plate wet dust removal unit and an inclined plate thickener unit are integrated, the gas-liquid contact time is prolonged through a snakelike flow channel, and by combining a liquid film spraying mechanism, an inertial collision mechanism, a chemical neutralization mechanism and a rolling nozzle dynamic dust removal mechanism, the removal rate of dust PM2.5 is greater than or equal to 96%, and synergistic purification of acid gas is realized. Dust removal waste liquid enters a thickener unit to be rapidly settled and separated, clear liquid is recycled, the water content of concentrated sludge is smaller than or equal to 40%, and no waste water is discharged. The problems of secondary pollution, high energy consumption and redundant system of the traditional wet dust removal technology are solved, the overall dust removal efficiency exceeds 99%, the energy consumption is reduced by more than 35%, and the system is suitable for industrial waste gas treatment.