84results about How to "Put an end to the phenomenon" patented technology

The invention discloses a wastewater evaporation concentration process and a wastewater evaporation concentration device system. The process comprises the following steps of: delivering softened wastewater to be treated to a mechanical vapor recompression (MVR) system to perform evaporation and concentration, compressing the generated secondary steam and then delivering the compressed steam to an evaporator to recycle, delivering the concentrate to a triple-effect mixed flow forced circulating evaporation crystallization system to perform evaporation and crystallization, performing solid-liquid centrifugal separation on the crystallized concentrate and crystal grains, returning the separated mother solution to a stock solution tank or continuously performing evaporation and crystallization, and reclaiming the separated crystal, wherein the secondary steam generated by evaporation and crystallization is recycled for the evaporation crystallization system. After the wastewater is evaporated and concentrated by adopting the process of mechanical vapor recompression circulating evaporation and triple-effect mixed flow forced circulating evaporation crystallization, the wastewater does not need to be discharged to the ground water area, and the wastewater is discharged in a form of steam or closed and embedded in a form of sludge or the like, so the purpose of zero discharge of the wastewater can be fulfilled; and the process system has high heat efficiency, low energy consumption, energy conservation, great reduction in running cost, low temperature difference, low corrosion, difficult scale formation and long equipment service life.

The invention discloses a wastewater evaporating process and device system. The wastewater evaporating process comprises the following steps: the wastewater to be treated firstly enters a pretreatment softening system for softening treatment and secondly enters a mechanical vapor recompression (MVR) system for evaporation concentration; the generated secondary steam is compressed and enters an evaporator for recycling; the concentrated solution enters a triple effect flow-mixing forced circulation evaporation and crystallization system for evaporation and crystallization; the generated secondary steam is reused by the evaporation and crystallization system; the concentrated solution and crystalline grains obtained through crystallization are subject to solid-liquid centrifugal separation; the separated mother solution is sent back to a raw liquor tank or evaporated continuously for crystallization; and the separated crystals enter a centrifugal drying and packaging system for weighting and packaging. After the process disclosed by the invention is adopted to soften, evaporate and crystallize wastewater and dry and package the obtained crystals, wastewater is not discharged to the water bodies of the surface of earth and the aim of zero wastewater discharge can be realized; the process system is low-carbon and environmentally friendly; the material can be recycled, the thermal efficiency is high, the energy consumption is low, the energy can be saved, the operating cost can be greatly reduced, the range of temperature is small, the corrosion is low and the service life of the equipment is long, and the scaling has small possibility of occurrence.

The invention provides a routing protocol with high-efficient energy based on multiple mobile aggregation nodes. A plurality of mobile aggregation nodes are deployed in a perception area of a wireless sensor network, and each mobile aggregation node is a cluster head and is used to form a plurality of clusters. Each mobile aggregation node can carry out autonomous movement and can communicate with each other. A current sensor node firstly determines a distance between the node itself and the mobile aggregation node, and if the distance is less than a transmission radius, the current sensor node directly communicates with the mobile aggregation node. Otherwise, a maximum optimal hop count of the current sensor node to the mobile aggregation node and a maximum distance between the current sensor node and a next hop of a sensor node are calculated so as to find an optimum next hop of the sensor node. In the invention, defects of an energy cavity phenomenon and uneven distribution of cluster heads are avoided, a network flow load is mitigated and a life cycle of a wireless sensor network is greatly prolonged.

A process for deeply treating and reclaiming polymer-contained sewage incldues such steps as loading the said sewage in regulation pool, adding disinfectant; adsorbing 20-30% of suspended substance and bacteria, stage-1 membrane filtering to remove over 99% of suspended substance and bacteria, and filtrate out 80% of Ca2+ and Mg+2 ions, stage-2 membrane filtering to filtrate out 90% of Ca2+, Mg2+, K+ and Na+ ions, storing cleaned water 80%-85% in water tank, and using 15%-20% of concentrated liquid back for preparing polymer solution. Its advantages are high recovery rate of wate (72-81%), and no drainage.

The invention discloses an optical fiber screening, rewinding and whip preventing device. The device comprises a dancing wheel, a lead, a wire arranging wheel and an optical fiber wire collecting disc; the optical fiber wire collecting disc is coated with a first protective cover and a second protective cover; optical fibers enter the optical fiber wire collecting disc from a gap between the first protective cover and the second protective cover; a first motor drives the first protective cover to rotate; meanwhile, a transmission device drives the second protective cover to synchronously rotate; a second motor drives the optical fiber wire collecting disc to rotate; and when the optical fibers are broken, an air pressure rod pushes a first base to move on a first guide rail, and the first protective cover is pushed to the second protective cover, so that the first protective cover and the second protective cover tightly clamp the broken ends of the optical fibers. When the optical fibers are broken in screening and rewinding caused by the strength problem of the optical fibers or the equipment problem, the broken ends of the optical fibers can be clamped through the device to prevent from continuously whipping the optical fibers on the surface of the optical fiber wire collecting disc in a high-speed state so as to prevent influence on the quality of the optical fibers.

The invention discloses a portable operating handle for a 10 kV switch cabinet. The portable operating handle for the 10 kV switch cabinet comprises an operating handle, a connecting piece and switch sleeve heads, one end of the connecting piece is provided with a through hole penetrating the operating handle, and the other end of the connecting piece is provided with an inner hexagonal groove; one end of every switch sleeve head is provided with a hexagonal cylinder matching with the inner hexagonal groove. The portable operating handle for the 10 kV switch cabinet has the advantages that the plurality of switch sleeve heads can all be connected with the operating handle, thereby effectively solving the problem that a plurality of switch sleeve heads are matched with a plurality of operating handle; is small in structural size and convenient to carry, thereby avoiding the risk of loss of tools inside a station, guaranteeing timely first-aid repair of devices and further guaranteeing normal power utilization of residents.

The invention provides a combined valve. The combined valve can be free of leakage for a long time under severe working conditions. The combined valve comprises a combined valve body, wherein a medium inlet and a ball valve cavity communicated with the medium inlet are formed in one side of the combined valve body, a medium outlet and a stop valve cavity communicated with the medium outlet are formed in the other side of the combined valve body, the ball valve cavity is communicated with the stop valve cavity, a stop valve element arranged in the stop valve cavity a is connected with stop valve rod, a handle is connected to one end of the stop valve rod, a ball valve ball body arranged in the ball valve cavity is connected with a ball valve rod, the ball valve rod is connected with an output shaft at one end of a speed reduction mechanism, the other end of the speed reduction mechanism is connected with a driving gear for driving the speed reduction mechanism to rotate, the driving gear is meshed with a transition gear, and the stop valve rod drives the transition gear to rotate. The combined valve is integrally designed, has few leakage points, and is more reliable in pipeline installation, and more convenient to operate.

The present invention discloses a medical mask capable of preventing eyeglasses from being atomized. The medical mask comprises a protection panel, an expiration module, an anti-atomization module andwearing ropes, the wearing ropes are fixedly connected to the front side and the rear side of the protection panel, the anti-atomization module is arranged on the upper side of the middle of the front face of the protection panel, and the expiration module is arranged on the lower side of the middle of the front face of the protection panel. According to the invention, the anti-atomization moduleis arranged, the sucked air can be heated, when the outside air is cold, proper air can be provided and sucked into the abdomen, and through the arrangement of a refrigeration diode, the refrigeration surface of the refrigeration diode can cool the cold guide strip, so that air around the cold guide strip can be cooled, hot air exhaled by a human body can be cooled when passing through the cold guide strip, and the phenomenon of glasses atomization caused by mask wearing is avoided.

The invention discloses a multipoint lateral glue feeding hot nozzle structure, which comprises a hot nozzle body and a nozzle core, wherein the nozzle core is arranged on one end of the hot nozzle body and is of a horn shape; a plurality of nozzle tips are arranged in the circumferential direction of the nozzle core; the bottom of each nozzle tip is independently provided with a glue inlet; and alateral glue inlet is arranged between any two adjacent nozzle tips. The invention also discloses a hot runner system, which comprises a mould, a hot nozzle open frame and the above multipoint lateral glue feeding hot nozzle structure, wherein the mould comprises a front mould and a rear mould, and the front mould and the rear mould are mutually matched; the hot nozzle open frame is arranged on the front mould; a cavity is formed in the hot nozzle open frame; and the multipoint lateral glue feeding hot nozzle structure is arranged in the cavity and comprises the hot nozzle body and the nozzlecore, and the hot nozzle body, the nozzle core and the hot nozzle open frame are matched. The invention has a simple structure, material cost can be lowered, the volume of the mould is reduced, and the invention is favorable for improving the appearance sense of beauty of a product.

The invention relates to a laser marking partitioning joint device and method. The laser marking partitioning joint device comprises a laser marking device, a laser source device and a visual device,the laser marking device drives a laser source device, and the laser marking device comprises: a user interface for drawing graphics and import request data; an arithmetic module for outputting readable data according to graphics and request data; a galvanometer module for driving the laser source device; and a controller module for receiving readable data and data transmitted by the galvanometermodule, and carrying out interpolation on the readable data and the data transmitted by the galvanometer module to obtain the default value of connection graph parameters; the laser source device receives the default value of the connection graph parameters and marks the carrying out partition marking on a workpiece; and the visual device has an image capturing module and an image comparison module. The image capturing module captures the partition marking image on the workpiece, and the image comparison module carries comparison and returns the image discrimination result to the user interface. The partition marking is used to correct the partition marking image, and the visual device determines whether the partition marking image is good or bad.

The invention belongs to the technical field of teaching devices, and particularly relates to a teaching device based on big data. The teaching device comprises a cloud server and a teaching operationmodule, wherein the teaching operation module comprises a tablet computer mounted on a desk; a sliding cavity is formed in the upper surface of the desk, and a fixed box is fixedly mounted at the bottom end of the sliding cavity; two electromagnetic supporting blocks are fixedly arranged in the fixed box, and elastic supporting pipes are arranged above the two electromagnetic supporting blocks; magnets are mounted above the two elastic supporting pipes, and insulating base plates are arranged on the upper surfaces of the magnets; a sealing sliding plate is arranged above the tablet computer in a sliding manner; elastic pull ropes are connected to two sides of one end of the sealing sliding plate, and the elastic pull ropes are wound on a winding drum; two sides of the other end of the sealing sliding plate are connected to the sliding cavity through springs; and the winding drum is rotationally arranged in a fixed drum, and the fixed drum is fixedly arranged on the side surface of thedesk. The teaching device facilitates students to learn more intuitively and efficiently, and meanwhile facilitates a teacher to carry out efficient teaching homework.

The invention discloses a device for picking out wastes and removing dust of an upper module and a lower module of a capsule filling machine. The device comprises a device panel (1), wherein the upper portion of the device panel (1) is inserted in a poriferous stainless steel tube (2); a brush is wound on the outside of the poriferous stainless steel tube (2); one side of the bottom of the device panel (1) is connected with a synchronous transmission shaft (11) of the capsule filling machine; and the other side of the bottom of the device panel (1) is connected with a compressed air pipe (6). Residual materials in the upper module and the lower module of the capsule filling machine can be removed effectively, particularly, viscose materials containing polysaccharides and viscose materials containing extracts can be removed, the problem that the modules are adhered to the materials is solved, the quality of products is improved effectively, the use ratio of hollow capsules can be above 95%, frequency of adhesion of capsules on the modules is reduced, loss of powder is also reduced, and production cost is saved.

The invention relates to an agricultural seeding device, in particular to a soybean seeding device. The soybean seeding device comprises a material storage and discharging mechanism, a discharging control mechanism, a connection shell, a closing mechanism and a compacting mechanism. The soybean seeding device has advantages that seed damage is avoided, seeds can be discharged completely without residues, continuous seed discharging and intermittent seed discharging can be both realized, and a soil closing function, an adjustment function and a soil compacting function are achieved. The discharging control mechanism is movably mounted in a groove of the material storage and discharging mechanism and positioned in an inner groove of the connection shell; the closing mechanism is movably mounted in through holes of the connection shell; the compacting mechanism is movably mounted on the connection shell.

The invention relates to the field of printing devices, and discloses printing equipment. The printing equipment comprises a machine frame and a fixing frame, wherein a through groove which penetratesthrough the fixing frame is formed in the fixing frame, and a through hole is formed in the side wall of the fixing frame; cross shafts are fixedly connected to the two ends of the fixing frame, thecross shafts are coaxially and fixedly connected with gears, and a crankshaft is arranged below the fixing frame; a main journal of the crankshaft is rotationally connected with a first connecting rod, the other end of the first connecting rod is rotationally connected with a printing tube, the printing tube is slidably connected to the machine frame, and the top of the printing tube is connectedwith a printing plate; the printing tube is further connected with a cutting knife, push rods are rotationally arranged on the portions, on the two sides of the printing tube, of the main journal correspondingly, the other ends of the push rods are rotationally connected with racks, the racks are slidably connected to the machine frame, and the racks can be meshed with the gears, and second connecting rods are rotationally connected to the portions, at the two ends of the printing tube, of the main journal; the other ends of the second connecting rods are rotationally connected with screw rods, the screw rods are in threaded connection with nuts, and the top ends of the nuts are hinged to rotating blades. According to the device, automatically turning over a paper board during printing isrealized.

The invention relates to a method for queueing to prevent the queue jumping, aiming at solving the problem that the client transacting the services sieves a chance to jump the queue to transact the services. After one of the clients holding the queue numbers to transact the services finishes transacting the services and a detecting device detects that a service transacting window is in the idle state, if the next client is called by the calling service and the client who is not the next client to be called in turn by the calling service comes to the service transacting counter to transact the services, the client can be detected by the detecting device as the client who jumps the queue and can be warned, thus the service personnel can not transact the services for the client who jumps the queue and the clients can transact the services according to the sequence of the queue numbers, which reflects the principles of justness, fairness and openness and is good for building a harmonious society.

The invention discloses a die discharging structure for avoiding punch wrapping during warm forging reverse extrusion. The die discharging structure is characterized by comprising discharging rods and a discharging plate arranged on the discharging rods in a sleeving mode, and the discharging plate can freely move on the discharging rods and is fixed at the upper ends of the discharging rods by nuts. The die discharging structure for avoiding punch wrapping during warm forging reverse extrusion is simple, the phenomenon that a warm forging reverse extrusion forge piece wraps a punch is effectively avoided, and the production efficiency is improved.

The invention provides an ethylene cracking furnace of a double-section heat supply structure. The ethylene cracking furnace comprises a radiation section (1), a convection section (5), a radiation coiled tube (4), a quenching boiler (6), a high-pressure steam pocket (7) and a draft fan (8), wherein the quenching boiler (6) is connected with the radiation coiled tube (4); the draft fan (8) is connected with the top of the convection section (5); and the high-pressure steam pocket (7) is connected with the quenching boiler (6). The ethylene cracking furnace is of the double-section combined heat supply structure that the radiation section (1) is internally provided with an upper heat supply section and a lower heat supply section. By adopting the ethylene cracking furnace of the double-section heat supply structure, the arrangement of a combustor and the design of a combustion tube line arrangement are simplified, the flame inside a hearth is prevented from coiling to touch furnace tubes, interference of flame is also prevented, uniform distribution of heat in the height direction inside the hearth in the radiation section is maintained, and meanwhile the emission of NOx is reduced.