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102results about How to "Overcome blockage" patented technology

Bidirectional spiral electrostatic spinning device

The invention discloses a bidirectional spiral electrostatic spinning device, and relates to an electrostatic spinning device. The bidirectional spiral electrostatic spinning device is provided with bidirectional threaded guide rods, liquid storage sliders, vertical slide bars, guide rails, a framework, a controllable injection device, a liquid guide pipe, a liquid distributing device, a high-voltage power source, air pumps, pressure regulating valves, air guide pipes, partition plates, motors, driven belt pulleys, driving belt pulleys, V-shaped belts, air hole arrays and collecting devices. The bidirectional spiral electrostatic spinning device has the advantages that large-area and multi-jet injection effects can be realized by the aid of the bidirectional threaded guide rods, so that the electrostatic spinning efficiency further can be improved, phenomena of electrostatic interference among spinning jets and electric field concentration can be reduced, uniform distribution of nano-fibers on collecting plates can be promoted, the thickness uniformity of collected nano-fiber membranes can be improved, the quality of the nano-fiber membranes can be enhanced, the multiple jets can be assuredly stably and quickly injected, and large-area uniform nano-membranes can be collected; the bidirectional spiral electrostatic spinning device is applicable to injection devices with different bidirectional threaded guide rods and different thread shapes, and the lengths, the quantities and the shapes of the bidirectional threaded guide rods of the injection devices can be different from one another.
Owner:XIAMEN UNIV

Supercritical water oxidation treatment system and supercritical water oxidation treatment system process for high-concentration dyeing sludge

InactiveCN105293856AChange trafficPrecise regulation of pressure dropSludge treatment by oxidationHigh concentrationTransformer
The invention provides a supercritical water oxidation treatment system and a supercritical water oxidation treatment system process for high-concentration dyeing sludge. After the high-concentration dyeing sludge is ground, the particle sizes of insoluble particles are reduced, and high-flow-speed suspension conveying can be realized; the sludge is further subjected to pyrohydrolysis, cell walls are broken and the viscosity is remarkably reduced; the sludge can be stably conveyed through a high-pressure diaphragm pump and enters into a heat exchanger for preheating, so that the required temperature is reached; subsequently, the sludge and oxygen jointly enter into an inlet in the upper part of a reactor, materials completely react in the up-down flowing process, organic matters are degraded and inorganic salts are separated out; the inorganic salts are secondarily dissolved by the cooling of a small amount of reacted clean fluid introduced from an inlet in the upper part of a third heat exchanger and sludge at the inner pipe side of a fourth heat exchanger; materials flow out of a cone base at the lower part of the reactor for heating soften water to generate steam and preheating the materials; cooled and reacted fluid is decompressed through coarse adjustment of a capillary step-down transformer and fine conditions of flow; decompressed fluid is separated through a pipeline filter to obtain a solid which is finally collected into a liquid collecting tank.
Owner:山川丽(苏州)环保科技有限公司

Evaporation wall-type supercritical water oxidation reactor capable of directly separating salt and subcritical water

The invention relates to an evaporation wall-type supercritical water oxidation reactor capable of directly separating salt and subcritical water. The cylinder is fixed with an upper end cover and a lower end cover; the middle part of the upper end cover is provided with a burner component which extends to the inside of the cylinder; the upper end cover is provided with a gas-phase outlet and a sewage secondary inlet; the upper part in the cylinder is fixedly provided with a shell-and-tube heat exchanger; the upper part of the cylinder is provided with a sewage primary inlet and a normal temperature sewage outlet; the cylinder is provided with a subcritical water outlet; the lower part in the cylinder is fixedly provided with a multilayer evaporation wall; a plurality of annular spaces are formed between the multilayer evaporation wall and the cylinder from top to bottom; the cylinder is sequentially provided with a plurality of evaporation wall water inlets; the upper edge of the multilayer evaporation wall is provided with an evaporation wall spherical baffle; the lower end of the burner component is fixedly provided with a burner spherical baffle; and the bottom of the lower end cover is provided with a brine outlet. The oxidation reactor effectively prevents the preheater, reactor and pipelines from blockage and corrosion, reduces the quantity of pure water used by the evaporation wall, and can reduce the reactor volume and lower the noble alloy consumption.
Owner:碧流天能(北京)科技股份有限公司

Three-dimensional electro-fenton water treatment method

The invention relates to a three-dimensional electro-fenton water treatment method. According to the method, an involved device comprises a reactor, a porous electrode plate, an active carbon loaded zero-valent metal fenton catalyst, a water outlet, a water inlet, a positive electrode and a negative electrode; a reaction area is divided into a positive electrode electro-fenton oxidation area and a negative electrode ion reduction area through a reaction device by taking a three-dimensional intensifying electro-fenton oxidation method as a kernel, an electrode material comprises active carbon loaded zero-valent metal ion, nickel, copper, cobalt, platinum and silver or palladium, inlet water passes through the positive electrode electro-fenton oxidation area, metal ions are digested under the action of an electric field to form an area high-concentration ion solution to intensify homogeneous-phase fenton reaction; a reacted water body enters a negative pole reduction area, and the metal ions contained in the solution are reduced to a cathodic active carbon electrode for recovery; and the negative electrode ion reaction area can generate hydrogen peroxide through oxygen aeration, so that the usage amount of added hydrogen peroxide is reduced. A dyeing waste water treatment result indicates that the method disclosed by the invention can outstandingly increase the chrominance and removal efficiency of CODCr (Chemical Oxygen Demand) of dyeing waste water and achieves the national industrial waste water recycling standard of effluent water.
Owner:XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI

High-efficiency silencing water surface or underwater driving technology

The invention relates to a high-efficiency silencing water surface or underwater driving technology. An air compressor / high pressure steam generator generates high pressure gas / steam, the gas outlet of the air compressor or high pressure steam generator is connected with a high pressure gas holder in parallel, the gas inlet of the air compressor or high pressure steam generator is connected with a low pressure gas holder / condenser in parallel, the high pressure gas holder is respectively connected with a boosting gas bag and an additional water ramjet subsystem, the low pressure gas holder / condenser is connected with the boosting gas bag, and the boosting gas bag is arranged in a guide pipe. The communication between a plurality of boosting gas bags and the high pressure gas holders or the low pressure gas holder / condenser is controlled to control expansion and contraction of the gas bags, the boosting gas bag is expanded to extrude the water in the guide pipe out, so as to generate athrust and drive a ship to move; the boosting gas bag contracts and the guide pipe is filled with water to be ready for jet flow at the next time; the direction of inlet outlet water in the guide pipe can be determined by controlling the open and close of water inlet outlet valves at the two ends of the guide pipe; and the process can be repeated to drive the ship to do various movements.
Owner:SICHUAN UNIV

System and method for inducing vehicles to orderly enter toll station

The invention discloses a system and method for inducing vehicles to orderly enter a toll station, wherein the system comprises a vehicle detector, a traffic guidance screen and a calculation module;the vehicle detector is used for detecting the arrival condition of the vehicles in a toll collection square, and collecting the vehicle detection data of each toll collection channel; the traffic guidance screen is used for displaying the toll collection condition information of the toll collection channels so as to guide the vehicles to orderly enter the toll station; and the calculation moduleis used for counting the number of queuing vehicles in each toll collection channel according to the vehicle detection data, obtaining toll collection data, calculating estimated service time of eachtoll collection channel according to the toll collection data, and generating toll collection condition information according to the number of queuing vehicles and the service time. The traffic guidance screen is mounted on the traffic lane to publish queuing length, service time and other information of each channel in advance, a driver is guided to reasonably select a toll collection channel andchange lanes in advance before entering the toll station, the problems of highway toll collection square congestion, frequent traffic flow interleaving and the like are solved, and the method can bewidely applied to the field of traffic management and control.
Owner:SOUTH CHINA UNIV OF TECH

Roller-type self-adjusting polycrystalline silicon vibrating screening device

The invention provides a roller-type self-adjusting polycrystalline silicon vibrating screening device, and relates to the field of mechanical equipment. The device mainly comprises an underbed, a screen box is arranged on the underbed, a damping spring is arranged between the underbed and the screen box, the lower surface of the screen box is provided with a vibration motor, the screen box is provided with a screen plate, the screen plate mainly comprises a framework, the two sides of the inside of the framework are provided with automatic adjusting devices, the insides of the automatic adjusting devices are hollow, the front end of each automatic adjusting device is provided with a shaft hole, the two sides of the hollow inner side of each automatic adjusting device are provided with springs, the springs on the two sides of each automatic adjusting device are connected with a shaft sleeve in a squeezing mode, the shaft sleeve of each automatic adjusting device corresponds to the shaft hole of the corresponding automatic adjusting device, the insides of the shaft holes of the automatic adjusting devices on the two sides are connected with a shaft, the shaft is provided with a roller, the two ends of the shaft are sleeved with the shaft sleeves, and the diameter of the shaft is smaller than that of each shaft hole. The screening device is high in screening precision, strong in processing capacity, simple in structure, little in energy consumption, low in noise, good in sealing performance, free of overflowing dust, convenient to maintain and capable of being used for automatic operations; the service life of a screen cloth is long.
Owner:ANHUI SNELL MACHINERY MFG

Water treatment system with bidirectional cleaning function

The invention discloses a water treatment system with bidirectional cleaning function, and aims to provide a water treatment system capable of realizing bidirectional alternate cleaning. The upper water outlet of a double-end water outlet external-pressing membrane assembly is connected with an upper filtrate collecting conduit, while the lower water outlet is connected with a lower filtrate collecting conduit; the upper filtrate collecting conduit is connected with a first control valve and a second control valve; the lower filtrate collecting conduit is connected with a third control valve and a fourth control valve; the first control valve is connected in parallel with the third control valve and then is connected with a fifth control valve, a water pump and a seventh control valve in turn; one end of an eighth control valve is connected with a second connector of the water pump, while the other end is connected in parallel with the fifth control valve; one end of a sixth control valve is connected with a first connector of the water pump, while the other end is connected in parallel with the seventh control valve; and the second control valve is connected in parallel with the fourth control valve and then is connected with a residual cleaning solution outlet. The system can realize bidirectional alternate cleaning, improve the flushing effect on pollutants in a membrane cavity, and ensure the membrane cleaning efficiency and reflux recovery rate.
Owner:TIANJIN MOTIMO MEMBRANE TECH

Straight-flow type pre-separating device for high temperature gas filtration and filter of device

The invention discloses a straight-flow type pre-separating device for high temperature gas filtration and a filter of the device. The straight-flow type pre-separating device comprises a cylindrical main body, a helical diffuser axially arranged in the cylindrical main body, and a barrel-type outer cover sleeved at the outside of the cylindrical main body. The straight-flow type pre-separating device can be used for effectively reducing the dust load of a filtering unit and lowering the frequency of deashing by back flushing so as to reduce the heat impact from the back-blown airflow to a filtering pipe and prolong the service life of the filtering pipe; the pressure of the straight-flow type pre-separating device is reduced so as to reduce the operation energy consumption of the whole filtering system; the relation of the dust particle size and the filtering pipe can be rationally matched by the pre-separating device to overcome the phenomenon of the premature failure of the filtering pipe since the micropore is blocked by fine particles in the prior art; the straight-flow type pre-separating device cannot change the direction of the coming airflow, is convenient for the connection with the pipeline, and can be optimally arranged so that the filtering system structure is compact.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

Solid-liquid filtering device

The invention discloses a solid-liquid filtering device. The device comprises a filter element and a cylindrical shell; the cylindrical shell is composed of a bottom plate and a cylinder wall, and thebottom plate is provided with a hole; the filter element is arranged in the cylindrical shell, and the filter element goes through the hole and goes out of the cylindrical shell; the filter element is composed of a buffer layer, a filter layer and a protective layer from the inside to the outside, and the lower end surface of the filter element is a convex surface; and the filter layer is made ofa flexible capillary fiber material, and the buffer layer is made of an elastic hydrophobic material. A material to be subjected to solid-liquid filtration is placed in the cylindrical shell, a liquid flows to the outside of the cylindrical shell from the inside of the cylindrical shell through capillaries formed by the flexible capillary fiber material under the action of gravity, and solid matters cannot be transferred to the outside of the cylindrical shell through the capillaries, so the purpose of solid-liquid separation is achieved. The buffering effect of the elastic hydrophobic material makes the capillaries not blocked even when the capillary material absorbs water and expands, so a problem that general filtering devices using flexible capillary fiber materials are prone to be blocked after meeting water and expanding. The solid-liquid filtering device is an energy-saving solid-liquid separation device. The solid-liquid filtering device can be combined with auxiliary pressurization or vacuum pumping and other technologies to further improve the working efficiency.
Owner:HUBEI LIGHT IND INST OF RES & DESIGN

Device and method for measuring ammonia escape content in flue gas and ammonia escape content in smoke dust simultaneously

The invention relates to a device and method for measuring ammonia escape content in flue gas and ammonia escape content in smoke dust simultaneously. At present, no device and method which are accurate in measurement and capable of measuring ammonia escape content in flue gas and ammonia escape content in smoke dust simultaneously exist. The device is characterized in that one end of an air guide pipe is connected with one end of a sampling pipe, the other end of an absorption liquid supply pipe is connected with the air guide pipe, one end of a first air guide branch pipe and one end of a second air guide branch pipe are both connected with the other end of the air guide pipe, the other end of the first air guide branch pipe is connected with a first condensation cylinder, the other end of the second air guide branch pipe is connected with a second condensation cylinder, and an analyzer and a flowmeter are both connected with a single-chip microcomputer. The method comprises the steps that the first condensation cylinder and the second condensation cylinder conduct sampling alternately in sequence, the analyzer conducts analysis, the ammonia content in sampled flue gas is obtained, the flowmeter conducts measurement, the volume of the sampled flue gas is obtained, and thereby the ammonia escape concentration in the sampled flue gas is obtained. The device and method for measuring the ammonia escape content in the flue gas and the ammonia escape content in the smoke dust simultaneously are accurate in measurement, and the ammonia content in the flue gas and the ammonia escape content in the smoke dust can be measured simultaneously.
Owner:HUADIAN ELECTRIC POWER SCI INST CO LTD

Waste heat comprehensive utilization system for fluidized bed

The invention discloses a waste heat comprehensive utilization system for a fluidized bed. The waste heat comprehensive utilization system comprises the fluidized bed, a flue gas pipeline, a slag discharge pipeline, a slag cooler connected to the slag discharge pipeline, and a waste heat boiler connected to the slag cooler, wherein the waste heat boiler comprises an air channel, a first water tank and a second water tank which are sequentially arranged at the outer side of the air channel in an air flow direction of the air channel; at least one first through hole is formed in the air channel which corresponds to the first water tank; the first through hole is provided with a spray tube section in a downward extending manner; a heat exchange barrel, which is concentric with the spray tube section and is arranged in the air channel, is arranged outside the spray tube section in a sleeved manner; the first through hole is provided with a water supply tube section in an upward extending manner; the top of the water supply tube section is arranged at the outer side of the first water tank; the water supply tube section communicates with the spray tube section; at least one second through hole is formed in the air channel which corresponds to the second water tank; a heat tube is inserted into the second through hole; the evaporation end of the heat tube extends into the air channel; and a condensation end of the heat tube extends into the second water tank.
Owner:GUANGDONG INST OF SPECIAL EQUIP INSPECTION
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