34 results about "Heavy particle" patented technology

A centrifugal separator system separates particulate matter from an air stream produced by an industrial shredding machine. The system includes a housing having a cylindrical conical shape defining an interior chamber. An inlet positioned tangentially near the top of the housing introduces an air and particle mixture to create a vortex flow that centrifugally displaces heavier particles where they slide downward to discharge aperture. Clean air reverses direction and exits upward through a central top outlet connected to a HEPA filter for removing residual dust. A first silo directs is used to decelerate separated particles which are directed through a rotary valve providing an airlock to maintain pressures for optimizing centrifugal separation of particles. A second silo receives a bag holder for ease of securing a collection bag. The system provides efficient separation of particles with minimal maintenance and allows continuous operation.

The utility model discloses a medical waste screw conveyor which comprises a conveying barrel, a conveying belt and a conveying belt. The feeding pipe is connected with the upper surface of the conveying cylinder; the discharging pipe is connected with the bottom surface of the conveying cylinder, and the discharging pipe and the feeding pipe are close to the two ends of the conveying cylinder in the length direction respectively; the conveying shaft is rotationally arranged in the conveying cylinder; the driving assembly is arranged at the end part of the conveying cylinder and is connected with the conveying shaft; the spiral blade is connected to the outer side of the conveying shaft; the plurality of wedge-shaped blocks are connected to the conveying surface of the spiral blade; the filtering holes penetrate through the inner wall of the lower half part of the conveying cylinder. According to the scheme, the multiple wedge-shaped blocks are arranged on the spiral blade, fibrous materials and heavy particles are scattered through the wedge-shaped blocks in the conveying process, the heavy particles are discharged through the multiple filtering holes under the gravity effect, separation and filtering of the fibrous materials and the heavy particles are achieved in the conveying process, the medical waste treatment efficiency can be improved, and the labor intensity of workers is relieved. The equipment cost is reduced.

The present invention provides a method and system for determining the physical properties of arc discharge plasma in transformer oil, relating to the field of data processing technology. The implementation scheme comprises: performing a power-frequency arc discharge on the transformer oil to determine the initial particle concentration of each element when a plasma channel is formed in the transformer oil, and collecting the radiation light from the power-frequency arc discharge; performing spectral analysis on the radiation light, and determining the particle type, heavy particle temperature, electron temperature, and excited-state temperature of the plasma in the transformer oil based on the spectral analysis results; iteratively correcting the initial particle concentration of each element based on the particle type, heavy particle temperature, electron temperature, and excited-state temperature of the plasma in the transformer oil to obtain a target particle concentration for each element; and determining the physical properties of the plasma in the transformer oil based on the target particle concentration for each element. This method can accurately describe the physical properties of the plasma in the transformer oil.

The utility model relates to the technical field of sorting machines, in particular to a self-circulation specific gravity sorting machine which comprises a base and a sorting base body arranged on the base. The base is provided with a control cabinet, a sorting device used for sorting heavy particles and light particles, a draught fan used for assisting sorting of the light particles, an air draft mechanism used for extracting dust raised by the draught fan, a dust removal box used for filtering air and an air inlet pipeline used for guiding purified air in the dust removal box into a second air inlet of the draught fan. The draught fan and the sorting device are arranged in the sorting base body, heavy particles and light particles can be effectively separated through the sorting device by operating the control cabinet, meanwhile, the draught fan can assist the light particles in sorting and moving, the air draft mechanism can introduce extracted air into the dust removal box for filtering, and the dust removal effect is improved. And the purified air enters the second air inlet of the fan through the air inlet pipeline, so that the extraction amount of the fan to the outside air is reduced, and cyclic utilization of the air in the sorting base body is realized.

The invention relates to particle-induced X-ray emission using a light particle beam and a heavy particle beam. A particle induced X-ray emission (PIXE) analysis method, the method comprising: (a) delivering a first ion beam from a first ion source and comprising ions having a first component, where the ions have a kinetic energy of no greater than 50 kiloelectron volts (keV), onto a region of a sample; (b) transporting a second ion beam from a second ion source onto the sample region while transporting the first ion beam onto the sample region, the second ion beam comprising ions having a second component wherein the ions of the second ion beam have a kinetic energy of no greater than 50 keV; and (c) detecting X-rays emitted from the sample region in response to simultaneous delivery of the first ion beam and the second ion beam to the sample region.

The utility model discloses a construction waste disposal system, which relates to the technical field of construction waste recycling disposal, and comprises a screening mechanism, which comprises a rotary drum rotating around the axis of the rotary drum, and the rotary drum is provided with a screen with meshes, so that the screening mechanism screens particles with different sizes through the rotary drum; the crushing mechanism comprises a coarse crushing part and a fine crushing part so as to form fine particles reaching a preset diameter size; the sorting mechanism is used for sorting heavy particles, light particles and metal particles in the fine particles; and the recovery mechanism compresses and packs the heavy particles, the light particles and the metal particles through a packing part. Compared with the prior art, the construction waste treatment system provided by the utility model integrates a plurality of links of screening, crushing, sorting and recycling to treat the construction waste and recycle renewable resources, so that the high-efficiency treatment of the construction waste is realized, and the waste of resources is reduced.

The utility model relates to the technical field of microorganism sampling, specifically relates to a spore sampling analyzer, include: support, the upper end fixed mounting of support has the box, the inner top of box fixed mounting has microscopical photographing device, first sampling subassembly, first sampling subassembly includes the conical bucket, the inner wall fixed mounting of conical bucket has the screen, the inner top of conical bucket symmetry installs two joints, the lower end surface fixed mounting of joint has the ribbon of floating. The utility model discloses through opening second fan, let outside air into conical bucket and cause the rotational motion, make the spore of relatively large volume be forced to move to the wall surface of conical bucket due to inertia and centrifugal force, the heavier particle is thrown to the inner wall, the relatively big spore of size is forced to move to the inner wall under the action of centrifugal force, then along the conical bucket inner wall slide down through the action of gravity, finally through second solenoid valve and first delivery pipe and be arranged into the air intake box and carry out sampling.

A method of Particle-Induced X-Ray Emission (PIXE) analysis comprises: (a) delivering a first ion beam from a first ion source and comprising ions having a first composition onto an area of a sample, wherein the kinetic energy of the ions is not greater than 50 kilo-electron-Volts (keV); (b) simultaneously with the delivering of the first ion beam onto the sample area, delivering a second ion beam from a second ion source onto the sample area, the second ion beam comprising ions having a second composition, wherein the kinetic energy of the ions of the second ion beam is not greater than 50 keV; and (c) detecting X-rays that are emitted from the sample area in response to the simultaneous delivery of the first and second ion beams thereto.

The application relates to the technical field of gold mining, and discloses a mining field drainage device for gold mining, which comprises a spiral rotating driving structure, a rotating centrifugal structure and a rotating filtering structure, is located in the central area of the rotating centrifugal structure and can drive the rotating centrifugal structure to rotate synchronously. The mining field drainage device for gold mining utilizes the centrifugal force of components during rotation, so that large or heavy particles such as heavy metals can generate a tendency to move outward during flow filtration, thereby enabling part of the particles to move away from the industrial filter screen, reducing the occurrence of particle accumulation, and the particles located at the periphery can be pushed to one side under the action of the spiral structure, thereby preventing the water flow from being blocked due to the accumulation of the particles, and the rotating spiral structure can further accelerate the flow of the internal sewage, thereby further improving the filtering efficiency.

A slightly heavy particle system for wastewater treatment includes a contactor. The contactor includes a gas-liquid-solid three-phase region, and the gas-liquid-solid three-phase region includes gas phase, liquid phase, and solid phase. The liquid phase is the continuous phase and the solid phase is slightly heavy particles. The slightly heavy particles are able to carry some microorganisms on their surfaces at least, and the density of the slightly heavy particles is higher than the density of the liquid. The slightly heavy particle system applied in wastewater treatment can increase the concentration of microorganisms significantly, improve the ability to bear impact load, produce less sludge, and without sludge expansion. Meanwhile, suspending slightly heavy particles with the combined effect of gas and liquid is able to reduce energy consumption to a larger extent. Therefore, this system features with high efficiency and low energy consumption.

The invention discloses a double-helix tailing separation mechanism and a tailing pulp separation method. The double-helix tailing separation mechanism comprises a rack, the stirring device is arranged at one end of the rack, and the end part of the stirring device is connected with a double-helix sorting device; the shunting precipitation device is arranged at the other end of the rack, one end is connected with the double-helix sorting device, and the other end is connected with the stirring device; after being mixed by the stirring device, tailing pulp is centrifugally separated by the double-helix sorting device, settled particle swarms are eliminated, hardening is eliminated, and light and heavy particles are discharged. According to the double-helix tailing separation mechanism, centrifugal separation is achieved through the double-helix separation device, the separation effect between particles can be remarkably enhanced under the action of centrifugal force, light particles and heavy particles can be separated more clearly and efficiently, the separation precision of micron-sized particles is greatly improved, the more ideal separation effect can be achieved, and the separation efficiency is improved. The problem that traditional equipment is poor in sorting effect is effectively solved.

The invention discloses a preparation method of shell-based activated carbon, which comprises the following steps: coarsely crushing shells, and separating particles into light particles, medium particles and heavy particles by adopting airflow separation; when the activating agents are adopted for dipping treatment, the concentrations of the activating agents for treating the light particles, the medium particles and the heavy particles are sequentially increased, and the dipping time of the light particles, the medium particles and the heavy particles is sequentially increased; drying the impregnated particles, performing microwave carbonization, and performing steam activation after carbonization is completed; and washing, drying, crushing and screening the activated carbon to obtain an activated carbon product with set granularity.

The utility model discloses a heavy particle hopper elevator which comprises a Z-shaped elevator body, the bottom end of the Z-shaped elevator body is fixedly connected with a vertical cylinder, the front face of the vertical cylinder is provided with a rotating motor, the output end of the rotating motor is rotationally connected with a rotating shaft, and the middle of the rotating shaft is fixedly connected with a plurality of partition plates. A plurality of elastic rods are fixedly connected to the outer wall of the rotating shaft, swing balls are fixedly connected to the top ends of the elastic rods, a feeding opening is formed in the top end of the vertical cylinder, a first screen is arranged at the bottom of the feeding opening, a side box is arranged on one side of the feeding opening, and a clamping box is arranged at the bottom end of the side box. By arranging a series of structures, interference of sundries on feeding of particle materials can be effectively reduced, so that the screened sundries are isolated and cleaned, the probability that the sundries enter the machine is reduced, meanwhile, the probability that the discharging pipe is blocked can be reduced, and the feeding and discharging smoothness of the machine is improved.

The invention discloses an environment-friendly gas arc particle component calculation method based on a system entropy increase principle in the field of low-carbon environment-friendly power equipment, and the method comprises the steps: receiving the initial particle data of an environment-friendly gas arc system under different gas types in a variable electric field environment, and calculating the entropy S of the arc system according to the initial particle data; translational entropy components of the electrons and the heavy particles and internal entropy components of the electrons, the monatomic particles and the polyatomic particles are calculated; the differential form of the arc system entropy is obtained by assuming that the ratio of the chemical potential of particles to the temperature is irrelevant to the number density; and starting to iterate the arc particle components from the initial value until the entropy value of the arc system reaches the maximum, and obtaining the final particle component distribution. Compared with a traditional method, the method has the advantages that a predefined chemical reaction path does not need to be considered, arc particle components can be calculated more quickly, and the method is also suitable for condensed substances with phase change and wider in application range.

The utility model relates to the technical field of hydrocyclones, in particular to a self-driven enhanced separation hydrocyclone which comprises supporting legs, a separation tank, a cyclone tank, a liquid inlet pipe, a liquid inlet flange, a driving part and an auxiliary part, the cyclone tank is fixedly connected with the separation tank and located above the separation tank, the liquid inlet pipe is fixedly connected with the cyclone tank and located on the outer side of the cyclone tank, and the liquid inlet flange is connected with the liquid inlet pipe. The liquid inlet pipe is communicated with the rotational flow tank, the liquid inlet flange is fixedly connected with the liquid inlet pipe and located at the end, away from the rotational flow tank, of the liquid inlet pipe, the driving component is arranged in the rotational flow tank, the auxiliary component is arranged on the outer side of the rotational flow tank, and after the liquid inlet flange is connected with external equipment, liquid is introduced into the rotational flow tank from the liquid inlet pipe, so that the liquid starts to rotate; the driving part is driven to rotate through rotation of liquid, light particles or liquid drops separated in the separation tank are discharged from the upper portion of the rotational flow tank in an auxiliary mode, and heavy particles or liquid drops are discharged from the lower portion of the separation tank.

The invention discloses a multi-channel vibration feeding device for an optical selector, and relates to the technical field of separation feeding, the multi-channel vibration feeding device comprises a vibration sieve plate, a vibrator is arranged on the vibration sieve plate, a vibration separation plate is erected above the vibration sieve plate, and a separation assembly is arranged above the vibration sieve plate; the sorting assembly comprises a rotating rod and a plurality of inclined beating plates annularly arrayed on the surface of the rotating rod, the rotating rod rotates anticlockwise to drive the inclined beating plates to rotate, and efficient and accurate sorting of materials is achieved through the dual vibration synergistic effect of a vibration screen plate and a vibration sorting plate and in combination with mechanical sorting of the rotary inclined beating plates. By means of the natural bounce height difference of light particles and heavy particles in the vibration process, sorting in the aspect of weight is completed, sorting can be achieved according to particle materials, the light particles and the heavy particles obtained after sorting enter different channels respectively, and good pretreatment conditions are created for subsequent optical sorting or other treatment procedures.

The invention provides an arc plasma post-arc relaxation characteristic evaluation method and device, and belongs to the technical field of electrical switch equipment, the process that arc plasma is converted from a non-equilibrium state to an equilibrium state is regarded as the process that electrons and heavy particles collide for heat transfer until the temperatures of the electrons and the heavy particles are the same; describing an electron distribution function by using a kinetic equation with a collision term, and calculating an electron relaxation frequency; and calculating relaxation time of collision between electrons, relaxation time of collision between electrons and heavy particles and relaxation time of collision between heavy particles according to the energy change rate and the relationship between the energy change rate and the temperature balance time, and taking the maximum value as final relaxation time. According to the method, the prediction model is high in precision, the prediction result is accurate, meanwhile, the test amount in novel insulating gas research and development work is reduced, the research cost and the design risk are reduced, and the research and development efficiency is improved.

The invention relates to a low-grade copper-sulfur ore pre-concentration waste-throwing device and process, and belongs to the technical field of low-grade copper-sulfur ore pre-concentration waste-throwing equipment.The low-grade copper-sulfur ore pre-concentration waste-throwing device comprises a supporting frame, an L-shaped flow guide cylinder used for flow guide is fixedly installed on the top face of the supporting frame, and an L-shaped partition plate used for partition is fixedly installed at the center of the interior of the L-shaped flow guide cylinder; water flow is additionally conveyed to the bottoms of the sieve plates, the water flow on the lower portion scours, direct friction of particles is reduced, then abrasion of the sieve plates can be reduced, the water flow can loosen a bed layer, separation of light particles and heavy particles according to density is promoted, and the sorting precision is improved; gas can be correspondingly conveyed, the conveyed gas can accelerate upward penetration of water flow, strengthen loosening of a bed layer and promote settling and falling of heavy particles, the conveyed gas pressure shares power loads of part of structures, and the service life of the structures in the device is prolonged.

Provided is a heavy particle beam irradiation device that has an improved degree of freedom in designing electromagnets, and excellent efficiency.　A heavy particle beam irradiation device (10) comprises: an emission port (31) that emits heavy particle beams (18) in a direction of a prescribed emission angle φ from a fixed point on a reference line (16) at which an isocenter (15) intersects; electromagnets (45a, 45b) that form magnetic field regions (11a, 11b) in which magnetic fields (25a, 25b) are in opposite directions across the reference line (16); and an electric current supply unit that supplies excitation electric current to the electromagnets (45a, 45b) such that the strengths of the magnetic fields (25) are different according to the emission angle φ, and causes the heavy particle beams (18) to converge at the isocenter (15).

The present invention discloses a silicon micropowder grading and processing device, comprising a base, wherein the upper middle portion of the base is provided with a feeding conical shell, a material distributing conical shell and a material lifting conical shell in end-to-end contact from top to bottom, the middle portions of the feeding conical shell, the material distributing conical shell and the material lifting conical shell are provided with an auger cylinder, and a feeding auger is rotatably installed inside the auger cylinder, a lower rotating ring which can be fixedly connected to the material lifting conical shell is installed on the circumference of the auger cylinder, and an upper rotating ring which can be fixedly connected to the material distributing conical shell is installed on the circumference of the auger cylinder, and a speed reduction component is provided between the lower rotating ring and the upper rotating ring, the present invention provides the feeding conical shell, the material distributing conical shell and the material lifting conical shell, so that the material can be evenly spread first and then lifted up at high speed, so that the material falls downward in a dispersed state, and thus during air blast grading, light and heavy particles of different sizes can be completely separated, and since the material falls downward along the conical cone, there will be no situation where the material is stacked and cannot be exposed to the wind.

The utility model provides energy-saving drying equipment for vertical titanium powder pigment production, which relates to the technical field of drying equipment, and comprises a tank body, a feed pipe and a discharge pipe, an air inlet pipe and an air outlet pipe are respectively and symmetrically communicated with two sides of the tank body vertical to the feed pipe and the discharge pipe, a scattering mechanism is arranged in the tank body, and the scattering mechanism is arranged in the tank body. A rotating mechanism is arranged at the bottom of the tank body; the rotating motor, the second bevel gear and the first bevel gear are matched to drive the rotating shaft to rotate at the bottom of the tank body, the rotating shaft can drive the scattering wheel to rotate around the center of the tank body, the bottom of the scattering wheel and the bottom of the tank body rub each other to drive the scattering wheel to rotate, and the scattering wheel can press and scatter vertical titanium powder pigment. According to the powder drying device, the flow guide plate plays a role in blocking powder in air, large-particle powder settles due to gravity, the powder is prevented from flowing along with the air, and the problems that in the prior art, powder is prone to being bonded in equipment and difficult to dry, later maintenance is difficult, and waste is caused are solved.

A method of enhancing an electromechanical coupling coefficient of a microelectromechanical (“MEMS”) device. The method includes applying, to a fully fabricated MEMS device, heavy particle ion radiation to the MEMS device at a fluence of at least 1×1014 cm−2. According to other embodiments of the present invention are directed to a bandpass filter comprising a plurality of MEMS devices fabricated in accordance with the methods provided. The MEMS of the plurality are electronically or mechanically coupled.

1. The name of the design product: treatment head shell. 2. The use of the design product: treatment head shell for emitting beam in proton heavy particle therapy instrument. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The utility model relates to the technical field of separation and gravity separation, and provides solid particle separation and gravity separation equipment which comprises a fixing frame, two sides of the inner wall of the fixing frame are in bearing connection with a pair of strip-shaped plates respectively, the two pairs of strip-shaped plates are in bearing connection with a friction jumping separation mechanism jointly, and one side of the fixing frame is provided with a driving mechanism. Raw materials are input into the vibrating screen for three-layer screening through the arranged first spiral conveyor, light, fine, large and heavy particles are filtered out, remaining medium-sized particles flow into the friction jumping sorting mechanism, and then light and heavy particles are separated under the cooperation of the driving mechanism, the strip-shaped plate and the fixing frame; and then the heavy particle mechanism enters the horizontal wind power sorting mechanism for wind power sorting through the second screw conveyor, so that a heavy component, a medium-heavy component and a light component can be sorted out, and finally, under the important condition of the third screw conveyor, the medium-heavy component is returned to the friction jumping sorting mechanism to be separated again, so that the sand content of a final finished product is lower than 5%.

A method of Particle-Induced X-Ray Emission (PIXE) analysis comprises: (a) delivering a first ion beam from a first ion source and comprising ions having a first composition onto an area of a sample, wherein the kinetic energy of the ions is not greater than 50 kilo-electron-Volts (keV); (b) simultaneously with the delivering of the first ion beam onto the sample area, delivering a second ion beam from a second ion source onto the sample area, the second ion beam comprising ions having a second composition, wherein the kinetic energy of the ions of the second ion beam is not greater than 50 keV; and (c) detecting X-rays that are emitted from the sample area in response to the simultaneous delivery of the first and second ion beams thereto.

The utility model relates to the technical field of cyclones, and discloses a coal slime dense medium cyclone which comprises a first collecting box and a second collecting box arranged in the first collecting box, a discharging device is installed in the second collecting box, a plurality of fixing frames are fixedly installed on the outer side of the second collecting box, and the fixing frames are fixedly installed on the outer side of the second collecting box. And a cyclone is fixedly installed in the fixing frame, a placing rod is fixedly installed on the outer side of the collecting box, a supporting plate which is rotationally connected is arranged in the placing rod, a supporting rod is arranged at one end of the supporting plate, and a supporting base is arranged at the bottom of the first collecting box. The multiple cyclones can operate at the same time, materials enter the cyclones at a high speed, certain centrifugal force is generated, due to the fact that the densities of the materials are different, light particles can move upwards due to the fact that the centrifugal force borne by the light particles is small, the heavy particles can settle downwards due to the fact that the heavy particles bear large force, the first collecting box is used for collecting coarse-grain materials, and the second collecting box is used for collecting fine-grain materials.

To provide an improved method of particle-induced X-ray emission (PIXE) analysis at relatively low ion beam energy.SOLUTION: A method of PIXE analysis comprises: (a) delivering a first ion beam from a first ion source onto an area of a sample, where the first ion beam comprises ions having a first composition and having kinetic energy of 50 kilo-electron-Volts (keV) or less; (b) simultaneously with the delivery of the first ion beam onto the sample area, delivering a second ion beam from a second ion source onto the sample area, where the second ion beam comprises ions having a second composition and having kinetic energy of 50 keV or less; and (c) detecting X-rays that are emitted from the sample area in response to the simultaneous delivery of the first and second ion beams to the sample area.SELECTED DRAWING: Figure 7A

The application relates to a device for improving the solid-liquid ratio of the underflow of a thickener, which comprises an outer cylinder, a centrifugal assembly and a backflow assembly, the centrifugal assembly comprises an inner cylinder, a screen and a driving part, the inner cylinder is arranged in the outer cylinder and rotationally connected with the outer cylinder, the screen is arranged at an opening formed on the outer wall of the inner cylinder, the top of the inner cylinder is formed with a feeding port communicated with the underflow of a higher-level thickener and the overflow of a lower-level thickener, the bottom of the inner cylinder is formed with a discharging port, and the outer wall of the inner cylinder above the screen is provided with an overflow port, the driving part is installed on the outer cylinder, the output end of the driving part is connected with the inner cylinder, and the backflow assembly is communicated with the gap between the outer cylinder and the inner cylinder; the device can realize the separation of light and heavy particles and increase the solid content of the ore slurry, so as to improve the washing efficiency of the thickener, the device can reduce the stage number of the thickener and reduce the water absorption ratio, and the cost is effectively saved.

To provide a heavy particle beam irradiation device capable of adjusting an irradiation angle to a target in a wide range while being oriented to reducing an area of a uniform magnetic field forming region.SOLUTION: A heavy particle beam irradiation device 10 includes: a first emission port 31 for emitting a heavy particle beam 18 with a positive direction irradiation angle 17a with respect to a reference line 16 by a first deflection angle 21; a first magnetic field region 11 for generating magnetic fields 25 and 26 in directions reverse to each other sandwiching a straight line connecting the first emission port 31 and an isocenter 15, imparting a circular arc locus to the heavy particle beam 18, and converging the heavy particle beam to the isocenter 15; a second emission port 32 for emitting the heavy particle beam 18 with a negative direction irradiation angle with respect to the reference line 16 by a second deflection angle; and a second magnetic field region 12 for generating magnetic fields 27 and 28 in directions reverse to each other sandwiching a straight line connecting the second emission port 32 and the isocenter 15, imparting a circular arc locus to the heavy particle beam 18 emitted by the second deflection angle 22, and converging the heavy particle beam to the isocenter 15.SELECTED DRAWING: Figure 1