495 results about "Fluidization" patented technology

The invention discloses a raw material conveying device for polyaluminum chloride production and a working method. The raw material conveying device comprises a conveying pipe, a damping base, a storage tank, a fluidization anti-blocking module, a dust pumping system and a control unit. The upper portion of the conveying pipe is connected with hose discharging openings of a plurality of sets of storage tanks corresponding to the powder screening devices through star-shaped discharging valves. The bottom of the storage tank is mounted on a damping base, and a vibrator is fixedly mounted on the lower side of the storage tank; the storage tank is internally provided with a fluidization anti-blocking module which can fluidize materials through airflow so as to prevent blocking and caking; the dust suction system comprises a dust suction hood arranged at the top of a feeding pipe on the upper side of the storage tank, and the dust suction hood is connected with a cyclone separator capable of collecting dust generated in the feeding process and an induced draft fan through pipelines. The raw material conveying device for polyaluminum chloride production has the functions of effectively solving the problems of caking, blockage and dust caused by moisture absorption of materials and automatically adjusting conveying parameters according to material characteristics.

The invention discloses a fluidized bed reactor for preparing porous carbon through collaborative graded activation of water vapor and CO2 and a method for preparing the porous carbon through collaborative graded activation of the water vapor and the CO2, and belongs to the technical field of material chemical engineering. The fluidized bed reactor is composed of a shell, a fluidization section, a sedimentation section, a porous distribution plate, a gas distribution chamber, a stirring device and a temperature control system, and uniform fluidization and multi-section temperature control of superfine powder are achieved. According to the activation method, steam and CO2 collaborative graded etching pore-forming is adopted, specifically, in the first stage, quick pore-forming is conducted mainly through steam at the temperature of 500-800 DEG C, in the second stage, pore-expanding is conducted cooperatively through steam and CO at the temperature of 700-900 DEG C, and in the third stage, fine control is conducted mainly through CO2 at the temperature of 850-1050 DEG C; the continuous preparation of the high-performance porous carbon with the specific surface area of 1500-2500m < 2 > / g, the pore volume of more than or equal to 0.8 cm < 3 > / g and the 2-10nm mesopores accounting for 20-60% is realized by adjusting the gas velocity, the activation temperature, the activation time and the ratio of water vapor to CO2, the bottlenecks of low specific surface area, single pore diameter, large batch difference and the like of physical activation are solved, and the method is suitable for green and low-cost production of high-end energy storage carbon materials such as supercapacitors, lithium / sodium ion batteries and the like.

The invention relates to the technical field of sewage treatment, in particular to an assembly type stacked hydraulic grit chamber for a sewage treatment plant. The assembly type stacked disc hydraulic grit chamber for the sewage treatment plant comprises a stacked disc module device, an unpowered water distribution device and a backwashing and fluidizing device, the stacked disc module device comprises a plurality of stacked discs which are sequentially arranged at intervals in the vertical direction, a water outlet channel is formed between every two adjacent stacked discs, and a water outlet is formed in the inner side of each stacked disc. According to the assembly type stacked disc hydraulic grit chamber for the sewage treatment plant, water flow is sprayed to the inner surface of the stacked disc through the cleaning disc assembly so as to wash the inner surface of the stacked disc, the automatic backwashing function is achieved, the problem of sand accumulation of the stacked disc is effectively solved, and sand hardening is prevented. Through the automatic backwashing function, the manual cleaning frequency and strength are greatly reduced, the manual labor intensity and potential safety hazards are reduced, the stacked trays are prevented from being blocked, and the service life of the stacked trays is prolonged.

The invention relates to the technical field of fluidized beds, in particular to a fluidization coating device with pulse, stirring and double-particle triple synergy, which comprises a spray fluidized bed reactor, a fluidized bed reactor, a stirring device and a double-particle fluidized bed reactor, the gas distributor is positioned above the carrier gas inlet and is used for uniformly distributing carrier gas entering from the carrier gas inlet on the whole bed layer to form fluidized gas; the gas-liquid two-phase flow nozzle is connected with the gas supply unit and the coating liquid conveying tank and is used for atomizing the coating liquid into micron-sized small liquid drops and then spraying the micron-sized small liquid drops into the spray fluidized bed reactor; the mechanical shearing unit continuously generates local mechanical crushing on the aggregate; the pulse air inlet device is connected with the air supply unit and is used for applying periodic pulse airflow to the fluidized bed layer and breaking particle aggregation and channeling formed during initial fluidization; and the flow aiding particles and the fine powder particles to be coated jointly form a double-particle fluidization system. The problems of difficult fluidization starting, non-uniform fluidization and the like of ultrafine powder particles are solved through triple synergy of pulse, stirring and double particles.

The utility model relates to the technical field of bag-type dust removers, in particular to a bag-type dust remover which comprises a shell, the top end of the shell is communicated with an exhaust port, a compartment rotation switching mechanism comprises six filtering chambers distributed in a honeycomb shape, and an air inlet pipe is fixedly connected to the lower portion of the outer wall of the shell. The control system controls and starts the corresponding pulse blowing pipes to blow downwards to form reverse airflow and strip a dust layer on the surface of the filter bag, the vibration motor drives the whole filter chamber to shake and shake off deep accumulated dust, the dust cleaning effect is good, the shaken-off dust is collected through the dust hopper, finally, the dust is discharged from the dust discharging pipe by opening the dust discharging valve, the pneumatic fluidization rod is started, the airflow enables the dust to be fluidized, and the dust cleaning effect is good. According to the invention, hardening and bridging are prevented, blockage of the ash hopper is avoided, manual knocking intervention is not needed, the safety is high, different filter chambers can be switched to enter a filter mode, and the other filter chambers sequentially enter an ash removal state, so that the device can work continuously without shutdown, and the working efficiency is improved.

This invention provides a wastewater treatment method, system, and storage medium, applied to water pollution treatment equipment. The method includes: pretreating the wastewater to be treated through a first treatment module to obtain first treated water; acquiring the fluidization parameters of a fluidized bed unit; controlling the air intake mode of an air intake unit according to the fluidization parameters, so that the fluidized bed unit fluidizes the first treated water to obtain second treated water, wherein the temperature spectrum, dissolved oxygen content, and sediment height of the fluidized bed unit correspond to the bacterial species; and treating the second treated water through a third treatment module to obtain target treated water. By controlling the air intake mode of the air intake unit through fluidization parameters, the dissolved oxygen content, temperature spectrum, and sediment height of the fluidized bed unit are adapted to the bacterial species, maintaining stable dissolved oxygen content, reducing carrier sedimentation and accumulation, thereby maintaining the stability of the bacterial community and ensuring the degradation efficiency of organic pollutants by the bacterial community.

The invention relates to the technical field of energy-saving and environment-friendly production, in particular to a calcining method and system for flowing suspension roasting petroleum coke. The method comprises the following steps: feeding a petroleum coke raw material into a multi-stage preheating system for countercurrent preheating; the preheated material enters a flowing suspension roasting furnace, and forms a suspension state in high-temperature airflow for rapid roasting; the roasted material is separated from flue gas, the separated flue gas containing volatile components enters a combustion furnace to be combusted and then is purified, and part of heat of the flue gas is recycled; the separated high-temperature calcined coke is cooled through an air cooling system and a water cooling system, heat is recycled, and hot air generated by air cooling is recycled to the roasting furnace. By adopting a fluidization technology, the roasting time is shortened to a second level, and the production efficiency is remarkably improved; through multi-stage countercurrent heat exchange, flue gas combustion and heat recycling, gradient utilization of heat and accurate control of atmosphere are realized, energy consumption and oxidation burning loss are greatly reduced, volatile components of the product are stably controlled to be below 1%, the yield is high, and the quality is uniform.

This utility model relates to the field of ironmaking technology, specifically to a fluidization device for the conveying pipeline of a flue gas desulfurization silo in a hot blast stove. This device addresses the problem of poor fluidity and easy adhesion of the desulfurizing agent, preventing it from fully reacting with the waste gas and resulting in inadequate waste gas treatment. The device includes a first and second ball valve on both sides of the silo bottom, a first and second fluidizing pipe running inside the branch pipes, and a fifth and sixth ball valve outside the two branch pipes. When blockage occurs, the first and second ball valves are opened to introduce nitrogen into the bottom of the silo for the first fluidization. Then, the first and second fluidizing pipes are opened, and nitrogen is introduced for the second fluidization. The fifth and sixth ball valves are further opened to introduce nitrogen for the third fluidization. Finally, the loss-in-weight feeder is activated to feed material into the flue gas desulfurization silo through mechanical stirring, reducing material accumulation, lowering the probability of blockage, and effectively solving the problems of material buildup, blockage, and poor material flow at the silo bottom.

The application provides an ammonia oxidation catalyst, a preparation method and application thereof, and a method for synthesizing acrylonitrile by propylene ammonia oxidation, and the general formula of the active component of the catalyst is Mo 12 Bi a B b C c D d O x ; wherein B is selected from at least one of group VIII metal elements; C is selected from at least one of alkaline earth metal elements; D is selected from at least one of alkali metal elements; and the hollow rate of the catalyst is 0-5%. The catalyst has the advantages of good sphericity, few hollow particles, uniform particle size distribution, good fluidization state in a fluidized bed reactor, less catalyst loss after long-term operation, high acrylonitrile yield, low content of by-products two-carbon and propylene aldehyde, and better long-term operation stability.

The invention discloses a variable-diameter fluidized bed for preparing olefin from synthesis gas and a method thereof, gradient optimization of reaction conditions is realized by arranging the variable-diameter fluidized bed, and good gas-solid contact and fluidization states in the whole reaction path can be maintained, so that the per-pass conversion rate of reactants and the selectivity of target olefin are improved, and the yield of olefin is increased. And the circulation amount of unreacted raw materials is reduced, and the operation cost is reduced.

The invention provides a high-Mach-number boron powder ramjet engine based on air fluidization. The high-Mach-number boron powder ramjet engine comprises a boron powder conveying module and a kerosene conveying module. The boron powder conveying module can convey boron powder to the combustion part; the kerosene conveying module can convey kerosene to the combustion part; and the combustion part is provided with a stable combustion support plate. The problems of boron powder conveying and ignition stable combustion of the high-Mach-number boron powder ramjet engine based on air fluidization are solved, and incoming flow air is directly used as driving gas and fluidizing gas to fluidize boron powder fuel; kerosene is combusted, and injected fluidized air generates a high-temperature low-speed oxygen-enriched area behind the stable combustion support plate, so that removal of an oxide layer on the surface of the boron powder fuel is accelerated, and the combustion effect of the boron powder fuel is improved. The problem that in the prior art, a boron powder fuel conveying system is too complex to be integrated with an engine system is solved, the defects that reliable ignition and stable combustion are difficult to achieve due to the poor ignition combustion characteristic of boron powder fuel are overcome, and high integration of the boron powder fuel conveying system and the engine and ignition stable combustion of the boron powder fuel are achieved.

The utility model relates to the technical field of gas heating, and discloses a heat source structure and a fluidization crystal transformation device. The heat source structure comprises a pipeline which is provided with a channel penetrating in the axial direction of the pipeline, and the channel is used for gas to pass through; the heating assembly is used for heating the pipeline; wherein the channel is internally provided with filler, the filler is provided with a gap, and gas can be discharged from the gas outlet of the channel through the gap. The fluidization crystal transformation device comprises a furnace body and a heat source structure. According to the technical scheme, the technical problem of high energy consumption of a device for preparing anhydrous iron phosphate in the prior art can be solved.

This utility model discloses a stepped material fluidization cooling device, including a main body with a cooling material inlet and outlet. Multiple cavities are arranged sequentially within the main body, each containing a primary cooling unit. These multiple cooling units are distributed in a stepped manner. Each cooling unit consists of a fluidizing device, a fluidizing air channel, a material conveying system, and a weir wall. The weir walls of several cooling units include fixed and movable weir walls. A sling traction device is correspondingly installed above the movable weir wall on the main body, controlling the raising and lowering of the movable weir wall. This utility model uses a fluidized bed for material fluidization, resulting in good cooling effect; the stepped fluidized bed distribution ensures uniform temperature reduction, avoiding large temperature differences that could damage the equipment; the secondary and tertiary cavities can participate in fluidization cooling as needed, providing adjustment flexibility and enhancing the applicability to various materials; the movable weir wall is traction-assisted, making movement convenient and adjustment sensitive.

The utility model belongs to material storage technical field especially is a kind of small -sized stock bin fluidization device, including stock bin main part, the upper surface of stock bin main part is fixedly installed with feeding pipe near left side position, the upper surface middle position of stock bin main part is installed with electric telescopic rod, and the output shaft upper surface between electric telescopic rod is fixedly installed with air distribution box, the upper surface of air distribution box is fixedly installed with rotating mechanism, and rotating mechanism is inserted in stock bin main part, and the lower side end of rotating mechanism is fixedly installed with air distribution mechanism, air distribution mechanism includes air distribution block, air distribution cavity and air outlet, and the right side of air distribution box is fixedly installed with air inlet mechanism;The utility model can move up and down and rotate in stock bin main part by air distribution mechanism, so that gas can be evenly and comprehensively blown into stock bin main part, so as to be able to comprehensively fluidize material in stock bin main part, make fluidization effect better, effectively avoid material, concretion and bridge in stock bin main part inner wall.

The invention belongs to the technical field of fluidization, and discloses a gas distributor and a fluidized bed reaction device. The gas distributor comprises a disc-shaped main body and a plurality of homogenizing structures, each homogenizing structure is provided with a plurality of homogenizing gas holes, the homogenizing gas holes have different gas outlet directions, the disc-shaped main body is further provided with a plurality of supplementing gas holes, and the supplementing gas holes are formed among the homogenizing structures. And the air outlet directions of the supplementing air holes are parallel to the axis direction of the disc-shaped main body. And the gas can be dispersed through the homogenizing gas holes, so that the gas can be relatively uniform after passing through. And the supplementing air holes are used for carrying out precise air supplementing and regulation and control on a local air flow weak area or a potential dead area caused by the clearance space between the homogenizing structures. According to the gas distributor, the homogenizing gas holes and the supplementing gas holes are formed in a combined manner, so that after gas passes through the gas distributor, the gas flow velocity difference between different areas is remarkably reduced, the gas distribution uniformity is improved, and sufficient and efficient reaction is facilitated.

The invention relates to the technical field of pneumatic conveying equipment, and discloses a bin pump ash removal system which comprises a bin pump, a feeding assembly, an air inlet assembly, a level gage assembly, a pressure detection assembly, an exhaust assembly, a fluidization assembly and a discharging pipe fitting, and the feeding assembly, the air inlet assembly, the level gage assembly, the pressure detection assembly, the exhaust assembly, the fluidization assembly and the discharging pipe fitting are arranged on the bin pump. The discharging end of the lower end of the bin pump is connected with a discharging pipe fitting through a flange plate, an anti-blocking assembly is further arranged on the bin pump, a rotary blowing mechanism driven by airflow to rotate is arranged in the anti-blocking assembly, and the rotary blowing mechanism is provided with an air outlet spray head rotating along with the rotary blowing mechanism. According to the invention, the anti-blocking assembly with the airflow-driven rotary blowing mechanism is additionally arranged on the bin pump, so that the anti-blocking assembly and the inclined upward blowing airflow of the fluidization plate form cooperative cooperation, compacted dust in the bin is scattered in all directions, and the binding force among dust particles is destroyed, thereby solving the problems of dust compaction and discharging blockage easily caused by traditional single fluidization plate blowing.

The invention relates to the technical field of fan blade machining, in particular to axial flow fan blade machining equipment and a using method, the axial flow fan blade machining equipment comprises a punching table, and a drilling machine controlled by a mechanical arm is arranged on one side of the punching table. According to the axial flow fan blade machining equipment and the using method, by means of the characteristics of high-speed solidification and low-speed fluidization of non-Newtonian fluid, a drill bit rotating at a high speed is inserted into the non-Newtonian fluid in the connecting cup during drilling, so that the non-Newtonian fluid is solidified instantly to form rigid connection, and then the clamping table is driven to rotate synchronously; and when the fan blades rotate to the position below the magnetic frame along with the clamping table, the drill bit is pulled away to enable the non-Newtonian fluid to recover the flow state, the clamping table rotates under the action of the reset spring, and the magnetic frame synchronously attracts and takes out the fan blades. According to the design, detection elements such as an additional sensor are not needed, the drilling completion state can be accurately judged through structural mechanical characteristics, the workpiece taking action is synchronously triggered, the manual intervention link is reduced, and the machining continuity and efficiency are greatly improved.

The utility model relates to the technical field of coating machine raw materials, and discloses a fluidized bed coating machine raw material container structure which comprises a plurality of guide cylinders, the bottoms of the guide cylinders are fixedly connected with material pots, the interiors of the material pots are fixedly connected with a plurality of guide blocks, the interiors of the guide cylinders are provided with fluidization assemblies for guiding, and the guide blocks are fixedly connected with the guide cylinders. The fluidization assembly comprises a plurality of fluidization plates, the tops of the multiple fluidization plates are fixedly connected to the bottoms of the multiple guide cylinders, the outer walls of the multiple fluidization plates are fixedly connected to the inner wall of the material pot, and the far sides of the multiple guide cylinders are fixedly connected to the close sides of the guide blocks. According to the utility model, the uniformity of the thickness of a coating film is effectively improved, the dissolution and release effects can reach the expectation, materials are uniformly distributed on the periphery of the guide cylinder to participate in fluidization, coating liquid can uniformly wrap the materials, and the uniform coating thickness is crucial to the product quality.

The invention provides a method for accurately stopping a thermal energy storage power station, and belongs to the technical field of thermal energy storage power stations. Running acoustic monitoring and particle distribution identification to output a particle fluidization degree classification result and a distribution uniformity evaluation value, establishing a particle distribution sparse matrix, and converting the particle distribution sparse matrix into a dense matrix through a multi-stage progressive clustering algorithm to realize accurate quantification of a particle distribution state; executing precise fluidization termination control to completely convert the energy storage particles from a fluidization state into a fixed bed state, performing fixed bed stability verification to ensure that no local overheating phenomenon exists, completing shutdown state recording, and establishing a shutdown historical database; the technical problems of equipment damage and energy loss caused by non-uniform temperature distribution of energy storage particles in the shutdown process of the heat energy storage power station are solved.

This invention belongs to the field of pharmaceutical drying technology and discloses a pharmaceutical drying and automatic lifting mixing device based on negative pressure fluidization, including a machine body, a lifting cylinder, and a second waste gas guide channel. In use, the invention drives the spiral lifting blades through a waste gas power transmission component, achieving automatic lifting and discharge of the dried material. This eliminates the need for manual transfer, reducing operator workload, improving production efficiency, and avoiding material contamination during transfer, thus meeting the clean production requirements of the pharmaceutical industry. Simultaneously, the pneumatic reciprocating lifting component drives the periodic lifting and lowering of the material plate, continuously agitating the material during the drying process. This breaks the limitations of static drying in existing equipment, ensuring that the material is uniformly exposed to hot air from all directions. This avoids problems such as uneven heating, clumping, and incomplete drying caused by material accumulation, guaranteeing the drying quality of pharmaceutical materials and preventing the destruction of active ingredients.

The invention discloses a powder supply fluidization device with a powder fluidization flaring, which comprises a fluidization cover and a storage box, the fluidization cover and the storage box are axially connected front and back, inner cavities of the fluidization cover and the storage box are communicated, the storage box is cylindrical, a piston is arranged in the storage box and divides the storage box into a front cavity and a rear cavity, the rear cavity is a driving cavity, and the front cavity is a powder fuel cavity; the fluidization cover comprises a flaring section, a transition section and a convergence section which are sequentially connected in the axial direction from back to front, and a plurality of air inlet holes are uniformly distributed in each section of the fluidization cover; the periphery of the fluidization cover is coated with a rear sealing head, the rear sealing head is divided into three sections from back to front, and three sections of independent air inlet flow channels are formed between the rear sealing head and the outer wall of the fluidization cover; and the fluidization cover is connected with an air inlet system corresponding to each section of air inlet flow channel. And gas in each flow channel enters the fluidization cavity through the gas inlet holes in the corresponding positions and is combined with the powder fuel entering the fluidization cavity to form gas-solid two-phase flow. According to the fluidization device, the volume of the fluidization cavity is increased, and the powder fluidization conveying efficiency is improved.

The utility model relates to the technical field of coal synthesis ammonia and urea production, in particular to an improved cooling device of a pelletizer, which comprises a fluidization fan, one end of the fluidization fan is fixedly connected with a fluidization air inlet pipe, the other end of the fluidization fan is fixedly connected with a fluidization air outlet pipe, and one end of the fluidization air outlet pipe is fixedly connected with the pelletizer. One end of the pelletizer is fixedly connected with a molten urea pipe and a hopper discharging pipe, one end of the hopper discharging pipe is fixedly connected with an anti-blocking hopper assembly, the other end of the pelletizer is fixedly connected with a large-particle urea discharging pipe, the middle part of the fluidized air outlet pipe is fixedly connected with a CO2 pipe, one end of the CO2 pipe is fixedly connected with a CO2 desorption tower, and one end of the fluidized air outlet pipe is provided with an emptying pipe; according to the improved cooling device of the pelletizer, the emptying amount of CO2 gas is effectively reduced mainly through the arrangement of an improved circulating structure, environmental pollution is avoided, and the situation that equipment cannot operate due to blockage of raw materials is avoided through the arrangement of the anti-blocking hopper assembly.

The utility model relates to an epoxy resin encapsulating material fluidization testing device, and relates to the technical field of high polymer material detection equipment, the epoxy resin encapsulating material fluidization testing device comprises a base, a cylinder and a gas supply assembly; the cylinder body is arranged on the base and is connected to the base in a reciprocating sliding manner along the depth direction of the cylinder body; the air supply assembly comprises an air inlet plate and an air inlet pipe, the air inlet plate is arranged in the barrel, a plurality of air holes are formed in the air inlet plate in the depth direction of the barrel in a penetrating mode, filter cloth is arranged above the air inlet plate, one end of the air inlet pipe is directly or indirectly communicated with the barrel, the air inlet pipe is arranged on the side, close to the bottom wall of the barrel, of the air inlet plate, and the other end of the air inlet pipe is connected with the air source box. The method has the effect of improving the uniformity degree of the airflow in the testing process.

The utility model provides an efficient Fenton fluidized bed reactor. The reactor comprises a cylinder body, a fluidization distributor, a reflux pipeline, a hydrogen peroxide feeding port, a conical guide plate, a central guide cylinder, a water inlet / outlet, a sampling port, a baffle net and an overflow weir. Medicament and wastewater are homogenized in the adjusting tank and then enter the reactor, catalyst filler in the cylinder is fluidized according to a fluidization track formed by the conical guide plate and the central guide cylinder under the driving of the reflux pump, and the mass transfer and reaction efficiency is improved; the silicon-based iron oxide is used as a catalyst filler, so that the addition amount of ferrous iron and hydrogen peroxide is reduced, the agent addition cost is reduced, and the sludge amount is further reduced; and the baffle net is arranged above the cylinder body to intercept the catalyst filler, so that the loss of the catalyst filler is prevented by a simple and efficient method, and the operation cost is saved.

The invention relates to a flow guide component, a fluidized bed reactor and a reaction method. A flow guide member of the present invention comprises an elongate member having a proximal end and a distal end, and an elongate body extending between the proximal end and the distal end, where the elongate body comprises at least a section that, when the elongate body is cut at any position in a flow guide direction within the section, the flow guide member is configured to receive a flow of fluid from the elongate body. Only a pair of points which are farthest away from each other can be found on the outer periphery of the obtained cross section, the points are called a first point and a second point respectively, the outer periphery of the total cross section is divided into a first line and a second line which are connected end to end by the first point and the second point, and a straight line segment connected between the first point and the second point is called a boundary line. The length of the first line is set to be L1, the length of the second line is set to be L2, and the L1 / L2 value is larger than 1. A stronger vortex can be formed at the flow guide component, so that gas-solid contact and mixing are more effectively promoted, and the gas-solid fluidization quality is further improved.

The application discloses a wind distribution device for a circulating fluidized bed boiler, which comprises a wind chamber, a wind distribution part, an adjustable baffle and a driving device. The wind chamber comprises a wind distribution area and a wind guide area, the wind distribution area is arranged above the wind guide area, and the wind distribution area is in communication with the wind guide area. The wind distribution part is arranged on the top of the wind distribution area. The adjustable baffle is rotatably connected to the top of the wind guide area. The driving device is connected to the adjustable baffle and drives the adjustable baffle to rotate so as to adjust the wind volume entering the wind distribution area. The air inlet is arranged on at least one side of the wind guide area. Thus, the wind volume entering each area of the furnace of the circulating fluidized bed boiler can be quantitatively controlled by arranging the adjustable baffle on the device, and the fluidization state of the bed material in each area can be differentially adjusted, so that the operation problems, such as poor fluidization of the bed material, high local bed temperature, coking and partial bed, are solved. Meanwhile, the device has the advantages of simple operation and low installation and maintenance cost.

The invention discloses plasma vacuum coating equipment for particle coating treatment, which comprises a vacuum cavity, a process gas transmission and distribution system, a particle bearing and fluidizing device, a magnetron sputtering cathode and an electromagnetic coil, a separator is arranged in the vacuum cavity, and the separator defines a vacuum coating area in the vacuum cavity; the particle bearing and fluidizing device comprises a bearing disc with a porous structure, and the bearing disc is communicated with the process gas transmission and distribution system; the magnetron sputtering cathode is arranged above the vacuum coating area; and the electromagnetic coil is arranged outside the isolation piece in a surrounding mode in the circumferential direction. According to the invention, the process gas necessary for coating can be utilized to raise the particles to be coated and enable the particles to suspend in the vacuum coating area, and the process gas continuously blows and stirs the particles in the sputter coating process, so that the coating uniformity of the particles can be improved.

The invention relates to the technical field of fly ash conveying, in particular to a fly ash conveying method and system.The method comprises the following steps of a feeding stage; firstly, a balance pressure equalizing valve is opened to equalize the pressure of a bin pump, then a bin pump feeding valve is opened to start feeding, and after feeding is finished, the balance pressure equalizing valve and the bin pump feeding valve are closed; a conveying stage; after the pressure of the nitrogen source reaches a certain threshold value, a bin pump discharging valve is opened, then a bin pump air inlet assembly and an ash conveying blowing assisting valve are opened, the conveying process is carried out, the working state that fluidization and heterogeneous conveying are carried out at the same time is formed, and ash conveying is achieved; a purging stage; and after the materials in the bin pump are conveyed, the nitrogen is continuously introduced for a certain time. The dense-phase pneumatic ash conveying mode of the bin pump is adopted, fly ash and nitrogen are conveyed while being fluidized according to a certain gas-solid ratio, the conveying pipe diameter is small, the speed in the pipe is low, the conveying amount is large, the conveying distance is long, the gas consumption is small, and the abrasion loss of the ash conveying pipeline and the elbow is small.

This utility model discloses an arch-breaking fluidization device to prevent material from arching in a powder tank. It includes a powder tank mechanism and a piping mechanism embedded in the inner cavity of the powder tank mechanism. The powder tank mechanism has a hopper, a discharge neck fixed to the bottom port of the hopper, and multiple protruding strips arranged in a ring array on the outer surface of the hopper. The inner side of each protruding strip has a groove communicating with the inner cavity of the hopper. The outer surface of the discharge neck has multiple openings arranged in a ring array. The piping mechanism includes a pulse air cannon, a ring pipe connected to the pulse air cannon's delivery port, and multiple outer pipes arranged in a ring array connected to the inner side of the ring pipe. One of the outer pipes is connected at its end to an inner pipe located in the center of the hopper's inner cavity, and the bottom end of the inner pipe is connected to a hollow tank. This arch-breaking fluidization device can achieve multi-directional arch-breaking fluidization throughout the hopper, reducing arch-breaking blind spots, minimizing the impact of pulsed airflow on the tank, and preventing pipe blockage.

The utility model discloses a three-dimensional air distribution device for a waste water spouted bed, which comprises a bottom air distribution plate, a side air distribution plate, a lower air chamber, a side air chamber, a screening pipe, a fixed flange, a hot air expansion joint and the like which are connected into a whole. The bottom air distribution plate is provided with a directional air cap or provided with air distribution holes, the bottom air distribution plate comprises a high-density hole area and a low-density hole area from inside to outside, and the side air distribution plate is provided with side air distribution holes. A screening pipe is installed in the center of the bottom air distribution plate, a discharging pipe is led out from a bottom plate or the side wall of the lower air chamber, and a discharging valve is installed on the discharging pipe. And a fixed flange is welded on the shell on the outer side of the air chamber and is connected and fixed with the fluidization bin through bolts. The utility model has the advantages that the three-dimensional air distribution is realized, the fluidization effect is good, the flow field is stable, and the anti-interference capability is strong; cakes in bed materials can be discharged under the condition of no shutdown; all the parts form an integral structural component which is mounted at the lower interface of the fluidization bin through the fixing flange, so that the assembly and disassembly are easy, and the maintenance and replacement are convenient.