356results about How to "Stable and efficient work" patented technology

This invention discloses a microphone echo elimination device and method, which eliminates echo between microphone and sound circuit, wherein, the device comprises long frame adjust module to combine one self adaptive filter parameter data frame for self adapting filter.

The invention relates to an automatic packaging machine and an operating method thereof. The machine comprises a bag feeding device, a bag sheathing device, and a sealing bag-delivery device. The bag feeding device comprises a bag crossing catch rod for catching on a bag-carrying opening of a packaging bag. The bag crossing catch rod is driven by a first driving mechanism to swing up and down. A first sucking disc is arranged above a first belt conveyor mechanism. The first sucking disc is driven by a second driving mechanism to move laterally and vertically and driven by a third driving mechanism to swing up to place the sucked packaging bag on the first belt conveyor mechanism. The bag feeding device is provided with two bag hanging mechanisms operating alternatively. The bag sheathing device comprises a bag opening mechanism, a bag distracting and conveying mechanism and a bag fixing and arranging mechanism which are arranged on a frame. The sealing bag-delivery device comprises a bag fixing and arranging mechanism, a heat-sealing mechanism and a cold pressing mechanism which are arranged above a second belt conveyor mechanism in order in an output direction. Finger cylinder groups for clamping a packaging bag are arranged on the upper portions of both sides of the second belt conveyor mechanism, and each finger cylinder group comprises a first finger cylinder, a second finger cylinder, and a third finger cylinder, and is fixed to a second slider. The automatic packaging machine is capable of achieving automatic packaging, and also can ensure the quality of sealing.

The invention discloses an automatic clutch actuating mechanism. The automatic clutch actuating mechanism comprises a motor, a pulling rod and a actuating mechanism controller as well as a cylinder controlled by an electromagnetic valve, wherein the motor is connected with the pulling rod through a transmission part in a transmission way; the piston rod of the cylinder is connected with the pulling rod in a transmission way; the control ends of the motor and the electromagnetic valve are both connected to the actuating mechanism controller; and the actuating mechanism controller is used for controlling the motor and the cylinder to synchronously or independently run. According to the automatic clutch actuating mechanism, the cylinder is configured on the basis of an electric actuating mechanism to serve as an auxiliary element, so that the automatic clutch actuating mechanism can be driven by both the motor and the cylinder or also can be independently driven by the motor or the cylinder, so as to work stably and effectively for long time. The invention further discloses a control method for controlling the automatic clutch actuating mechanism.

The invention discloses a centrifugal fan device remotely controlled with the Bluetooth and with blades adjustable. The centrifugal fan device comprises an outer impeller, an inner impeller, an impeller cover, impeller discs, a film type parameter sensor, a blade adjusting device, an electric push rod and a Bluetooth intelligent terminal; the outer impeller comprises an outer impeller disc and outer blades, and the inner impeller comprises the impeller cover, an inner impeller disc and inner blades; the inner impeller disc of the inner impeller is fixed to a shaft disc; the blades of the outer impeller and the inner impeller are in wing shapes respectively, through cooperation of the inner impeller and the outer impeller, the proper angle of auxiliary impeller blades can be adjusted according to the air volume under different working conditions, the effect of multiple purposes of a centrifugal fan is achieved, the purpose that the centrifugal fan device can still work stably and efficiently under the off-rating condition is achieved, remote control and automated adjustment are achieved through the Bluetooth intelligent terminal, advancement of modern technology will be undoubtedly integrated into production and life of people, and the problem of inconvenience brought by arrangement positions and space is solved through remote control with high controllability and stability.

The invention provides a high-efficiency porous medium burner used in a micro thermo photovoltaic system, relating to the technical field of combined combustion of a two-phrase gas. SiC ceramic spherules with diameter of 0.3mm to 0.35mm are filled in a shell of the burner in the form of oblique parallelepiped and then sintered with the shell to form a porous medium structure with porosity epsilon equal to 26 percent to 27 percent and a tail gas discharging channel is arranged on the external wall of the burner. The shell of the burner is processed first and then a bottom cover (3) of the burner is processed and sintered with the shell, and finally, in the interior of which the screened SiC ceramic spherules with diameter of 0.34mm are filled, after sintering, the porous medium structure is formed and the tail gas discharging channel is arranged in the interior of the shell (2) of the burner. The porous medium burner reduces the heat loss brought by increase of surface to volume ratio due to microscale, greatly improves the temperature distribution on the external wall of the burner, promotes combustion efficiency and combustion stability, lowers gas discharging temperature and heightens the temperature of the external wall, thus greatly advancing the efficiency of the whole micro thermo photovoltaic system.

The invention discloses an over-temperature protection terminal for control of hardware. The over-temperature protection terminal comprises a temperature detection unit, a DC-DC (direct current-direct current) power source chip and a control unit. The temperature detection unit is used for detecting temperature of a to-be-detected system, and converting the detected temperature of the to-be-detected system into a voltage signal. The DC-DC power source chip is used for supplying power for the to-be-detected system. The control unit is used for receiving the voltage signal output from the temperature detection unit and controlling whether to supply power for the to-be-detected system or not. The temperature detection unit, the control unit and the DC-DC power source chip are connected in sequence. The over-temperature protection terminal is used for control of pure hardware, can cut off a main power source of a system directly when the temperature is higher than a preset limit value so as to protect the hardware of the system, and can turn on the power source automatically when the temperature recovers to a reasonable range so that the system can be started to run smoothly and effectively.

The invention discloses a controllable track lateral drilling tool and method. The controllable track lateral drilling tool comprises a high-passing-ability lateral drilling section and a drilling power transmission section, wherein the high-passing-ability lateral drilling section can achieve drilling of an extending well section of a short-extremely-short-radius well section through the short-extremely-short-radius well section extending from the lateral direction of a main borehole. According to the designed controllable track lateral drilling tool, the borehole can be obliquely drilled at the tail end or any position in the middle of an original borehole track in a short-extremely-radius mode and then extends and is drilled in the lateral direction; and meanwhile, the controllable track lateral drilling tool has engineering feasibility and practical value on thin reservoir development, remaining oil potential tapping, under-salt reservoir horizontal well development, multi-layer system merging development, coal bed gas development, coal mine underground gasification development, unconventional oil and gas development, shallow horizontal well drilling, seabed shallow horizontal well drilling and development of other kinds of minerals.

The invention relates to a high-quality sand and gravel crushing production process. The steps are as follows: first, the sand and gravel aggregates are subjected to primary screening, divided into different particle sizes, and then sent to impact crushers for primary crushing and sent to The impact crusher performs secondary crushing, and then performs secondary screening on the materials to produce several kinds of product materials. Among them, the product materials exceeding the particle size requirements are returned to the upper level for crushing and rework, and a part of the finished materials that meet the particle size requirements are subjected to third-stage crushing. broken. Compared with the traditional technology, the present invention makes full use of the working characteristics of various types of crushers by subdividing incoming materials, so that each crusher can work efficiently and stably at full load at the same time, and then subdivide the product materials to carry out Secondary or even tertiary treatment can increase the output of fine sand, shape the sand and gravel, and control the dust content of the sand and gravel through the dust removal system, thus ensuring the high quality of the sand and gravel material, which can meet the requirements of various high-quality products in various industries. gravel requirements.

The invention provides a preparation method of a lithium niobate optical waveguide. The preparation method of the lithium niobate optical waveguide comprises the steps of: fabricating a periodical domain inversion structure on a doped lithium niobate crystal by adopting an applied electric field polarization method by selecting a zinc-doped or magnesium-doped lithium niobate crystal; bonding the periodical domain inversion structure as a waveguide layer with a lithium niobate substrate or a lithium tantalite substrate through optical cement the refractive index of which is lower than that of the waveguide layer; and etching to obtain a ridge waveguide structure by using an ICP (inductively coupled plasma) dry method to obtain the lithium niobate optical waveguide. The adhesive layer adopted by the invention has a reflective index more approaching that of air, therefore, in the waveguide, the optical field limiting function is stronger, the optical field is distributed symmetrically, and the coupling efficiency of single mode fibers is higher. By adopting adhesive bonding, the requirement on cleanness and roughness of the surface of a wafer is far lower than that of the surface of a directly bonded wafer, thus the preparation method is realized more easily in technology. The lithium niobate optical waveguide prepared by the method has more excellent performance in the aspects of improving the optical field limiting function, reducing the transmission loss of the waveguide, inhibiting the photorefractive effect, reducing the difficulty in manufacturing technology and the like.

The invention discloses a shortwave infrared fluorescence microimaging method. A near-infrared light source or a visible light source is used as a light source for exciting a shortwave infrared fluorescence probe, the excitation light source converges on a shortwave infrared fluorescent sample through an objective lens and excites fluorescence, the fluorescence is collected by the objective lens and goes through a beam splitter to separate excitation lights and a fluorescence signal, only the fluorescence signal reaches a shortwave infrared camera, and the shortwave infrared camera transmits a video signal to a computer in order to realize real-time shortwave infrared imaging. Tomographic fluorescence imaging of different depths of the sample can be obtained by adjusting the relative position of the fluorescent sample and the objective lens. Compared with the traditional fluorescence microscopy methods in the visible light band, the method disclosed in the invention has the advantages of large biological tissue penetration depth and small biological damage; and compared with shortwave infrared fluorescence macroimaging methods, the method disclosed in the invention has the advantages of high imaging resolution, high imaging magnification factor, video microimaging realization and tomographic fluorescence imaging realization.

The invention provides a doped cerium oxide-based solid oxide fuel cell. The fuel cell comprises an anode support, an anode functional layer containing Ba and / or Sr, an electron blocking layer, an electrolyte layer doped with cerium oxide and a cathode layer, and the above parts orderly contact. The electron blocking layer is formed by co-sintering the anode functional layer and the electrolyte layer. The elements in the anode functional layer are diffused at a high temperature and react with the electrolyte layer in situ at the interface to form the electron blocking layer, which effectively improves the open circuit voltage of the cell, so that the cell can work efficiently and stably in the middle-low temperature range. Compared with the conventional method using the double-layer electrolyte and composite electrolyte, method provided by the invention is simple and effective and realizes superior cell performances. The doped cerium oxide-based solid oxide fuel cell provides a novel idea for promoting the development of middle-low-temperature solid oxide fuel cells.

The invention relates to an efficient combustion system of a chamber and car bottom heating furnace, belonging to the energy-saving and environment-protecting heating furnace technique field. The invention comprises a plurality of pairs of heat accumulating left and right sides combustion nozzles which are arranged on the two sides of the furnace top of the heating furnace, wherein, the heat accumulating left side combustion nozzles are connected with a smoke pumping main and an air main through a left side reversing valve and are connected with a gas main through a left side gas quick-switch valve; the heat accumulating right side combustion nozzles are connected with the smoke pumping main and the air main through a right side reversing valve and are connected with the gas main through a right side gas quick-switch valve; the air main is connected with a combustion air fan; the smoke pumping main is connected with a smoking machine. The efficient combustion system forms the high kinetic energy U-shaped air steam inside the furnace, thereby improving the uniformity of the furnace temperature; all the flue gas generated by the combustion of half of the combustion nozzles of the whole furnace is discharged from the other half of the combustion nozzles, thereby abolishing the tail gas duct with high energy consumption and complicated structure of the prior chamber and car bottom heating furnace; the energy consumption is reduced by 40 to 60 percent and the furnace output and the blank heating quality are improved.

The invention relates to a winch control system for variable diameter cables. The winch control system comprises a lead screw mechanism and a winding drum mechanism which cooperate to complete cable unwinding and winding motions; and the winch control system further comprises a control mechanism for controlling the winding and unwinding process of the cables, wherein the control mechanism collectsrotation angle information and cable diameter information from the lead screw mechanism and the winding drum mechanism, and the control mechanism obtains and stores various parameters of the cables through calculation and meanwhile gives feedback on a rotating speed adjusting instruction to the lead screw mechanism and the winding drum mechanism. The invention further provides a control method using the control system, and according to the control method, synchronous control over the lead screw mechanism and the winding drum mechanism can be achieved, and winding and unwinding of the variablediameter cables are completed. According to the winch control system for the variable diameter cables and the control method thereof, winding and unwinding operation of the variable diameter cables can be realized through a cable arranging lead screw and a cable storing winding drum, and supported encoders and a control system are arranged to realize automatic measurement, calculation and control, so that operation is convenient, control is accurate, and therefore the control system and method can be widely applied to various winch devices requiring winding and unwinding of variable diametercables; and meanwhile, the problem of disordered cable arrangement is avoided, namely the cables can be reasonably arranged according to cable diameter changes, and accordingly stable and efficient operation can be realized.

The invention belongs to the technical field of marine environment cleaning, and particularly relates to a floating type active energy-consumption-free garbage recovery device. The device comprises a shell and a garbage bag fixing ring arranged at the bottom end of the shell, the garbage bag fixing ring is detachably connected to a sinkable netted garbage bag with a weight block, and the shell is provided with a set of floating bodies and floating fences. A set of garbage inlets and one-way umbrella-shaped garbage station doors are arranged on side walls of the shell, each one-way umbrella-shaped garbage station door comprises a vertical rod and door leaves connected to the vertical rod in a hinged mode, the vertical rods are connected to the shell through horizontal connection rods, each door leaf is connected to moving rings connected to horizontal guide rods in a sleeving mode through supporting rods, and the moving rings can slide along the horizontal guide rods and are limited by upper position clamping rings and lower position clamping rings. The device has the advantages that the energy is effectively saved, the labor cost and the cleaning cost are saved, garbage floating on the sea is recovered in real time, the efficiency is high, and the cleaning effect is good.

The invention discloses an on-line waste gas treatment system of a waste cable high-temperature treatment device. The on-line waste gas treatment system comprises a first dust collection mechanism, an energy transduction mechanism, a first regeneration mechanism, a settling mechanism, a dust collection module, an absorption mechanism, a discharging mechanism, a circulation mechanism, an unloading module and an adsorption filtering mechanism, wherein the energy transduction mechanism is communicated with the first end of the first dust collection mechanism; the first regeneration mechanism is communicated with the second end of the first dust collection mechanism; the settling mechanism is communicated with the energy transduction mechanism; the dust collection module is arranged below the settling mechanism; the absorption mechanism is arranged behind the settling mechanism; the discharging mechanism is arranged above the absorption mechanism; the circulation mechanism is communicated with the absorption mechanism; the unloading module is arranged below the absorption mechanism; the adsorption filtering mechanism is arranged between the absorption mechanism and the discharging mechanism. Aiming at the phenomena that by using a conventional dust collection system, wastes cannot be efficiently utilized and waste gases is discharged into the natural environment, the modules cooperate with one another, not only are waste gases efficiently recycled, but also substances in the waste gases are recycled, and environment pollution is avoided.

The invention discloses a water heater control method based on a wind pressure sensor and a water heater. The method comprises the following steps that an actual air pressure value detected by the wind pressure sensor is obtained; whether the actual air pressure value is larger than or equal to a first preset air pressure value or not is judged, and if the actual air pressure value is larger than or equal to the first preset air pressure value, the water heater is controlled to work in a normal working mode; if the actual air pressure value is smaller than the first preset air pressure value, whether the actual air pressure value is larger than or equal to a second preset air pressure value or not is further judged, and the second preset air pressure value is smaller than the first preset air pressure value; and if the actual air pressure value is larger than or equal to the second preset air pressure value, the water heater is controlled to work in a first variable-lift mode, and a draught fan is controlled to work at a high-air-speed gear. By means of the water heater control method, the water heater can be more intelligently controlled to work according to air pressure changes.

The invention discloses an automobile air-conditioning system. The automobile air-conditioning system further comprises an ejector (12) and an intermediate heat exchanger (6). In a heating mode, a working medium flowing from an outlet of a second heat exchange (102) is divided into a first channel and a second channel; the first channel of the working medium flows into the ejector (12) through a drive inlet after flowing out of a high-temperature side (62), and then is divided into a first branch and a second branch after being ejected from an outlet of the ejector (12), the first branch of the working medium flows back into a compressor (1) through a low-temperature side (61), and the second branch of the working medium flows into the ejector (12) through a bypass guide hole via a third heat exchanger (3). The automobile air-conditioning system has the advantages that efficiency of the compressor and the air-conditioning system can be improved effectively, requirements for heat in high and cold environment can be guaranteed, and comfortableness of passengers and stable and efficient performance of heating components are guaranteed.

The invention relates to a sagger crack detection base platform which comprises a rotating device for rotating an object to be detected and an image acquisition device positioned on one side of the rotating device, wherein the rotating device comprises a rotating motor, a synchronous belt transmission mechanism connected with the power output end of the rotating motor and a rotating disk fixedly arranged on the synchronous belt transmission mechanism; the image acquisition device comprises a moving module and a camera; the rotating motor is a servo motor; the synchronous belt transmission mechanism comprises a driving wheel fixedly arranged on a rotating shaft of the rotating motor, driven wheels movably connected with a rotating shaft of a supporting plate and a transmission belt meshed with the driving wheel and the driven wheels; the driven wheels comprise a driven wheel for rotating the rotating disk and a driven wheel for tensioning the transmission belt. When a sagger rotates automatically and sequentially, the image acquisition and processing device is used for detecting every single surface of the sagger. The sagger crack detection base platform has the characteristics of lossless non-contact automatic detection, short detection period, low cost and the like.

The invention relates to a pipe expander for a condenser. The pipe expander comprises a rack, wherein a fixed rod is mounted on the rack; the upper end of the fixed rod is connected with a mounting plate; a cover plate and a guide plate which are arranged on the fixed rod in a sleeved manner through a guide sleeve are arranged below the mounting plate; a drive mechanism for driving the cover plate to move up and down is arranged on the mounting plate; a plurality of pipe expanding long rods are connected on the lower end surface of the cover plate; a plurality of pressure sleeves are fixedly arranged on the lower end surface of the guide plate; a limiting rod positioned below the guide plate is further arranged on the rack; the pipe expanding long rods are connected with the cover plate through a fixing device; guide holes adaptive to the pipe expanding long rods are formed in the guide plate; a clamping device used for fixing the condenser is arranged on the rack; and the clamping device is positioned below the guide plate. The pipe expander has the characteristics of being simple in structure, suitable for a small condenser, high in precision, high in production efficiency and the like.

The invention belongs to the technical field of agricultural and forestry machinery and relates to a transplantation seedling taking device. The transplantation seedling taking device comprises a seedling fork seat with a front fork opening and a rear fork opening, a longitudinal double-screw bolt used for adjusting a space of the fork opening is mounted in the front fork opening of the seedling fork seat, each of upper and lower sides of the seedling fork seat is provided with a pair of seedling fork handles, the front end of each seedling fork handle is connected with the front end of the seedling fork seat to form a clamping seam with a backward opening, and an elastic part is mounted at the rear end of each clamping seam. Seedling taking insertion needles extending forwards are fixed to the seedling fork handles respectively, a transverse double-screw bolt used for adjusting openness of the seedling fork handles is mounted between every two adjacent seedling fork handles, each seedling taking insertion needle and a corresponding penetration hole of an opening-closing plate form a moving pair, the opening-closing plate is connected with a cylinder piston rod fixed to the top surface of the upper seedling fork handle, and an inclination angle is formed between the axis of each penetration hole and the horizontal plane. By the transplantation seedling taking device, reliability in clamping of plug seedlings can be guaranteed, and the seedlings are protected from damages since an acting force in clamping is still transmitted through the seedling taking insertion needles which are elastic to some extent. In addition, a transplanting machine with the transplantation seedling taking device is efficient and stable in operation.

The invention discloses an automatic fishpond contamination suction machine and a contamination clearing method. An MCU controller controls a submerged pump to work, sewage in a fishpond is ejected to the upper space of a filtering container, and the sewage impacts a filtering screen and then is filtered; the filtered sewage returns to the fishpond via a water outlet pipe of the filtering container, and excrement and residual bait falls into the lower space of the filtering container through a gap between the filtering screen and an intermediate baffle plate; and the MCU controller detects signals of three waterproof ultrasonic sensors, calculates out the distances between the front wall, the left wall and the right wall of a vehicle body and opposite walls of the fishpond, control the vehicle body to straightly move forward or turn left and turn right at the angle of 90 degrees, and allows the vehicle body to traverse the bottom of the fishpond along a continuous extension rectangular path in a reciprocation manner. The ultrasonic sensors and the MCU controller are combined to determine the position of the contamination suction machine in the bottom of the fishpond, the contamination clearing path covers the whole fishpond through the reciprocation movement manner, repeated contamination clearing jobs can be avoided, and the efficiency of contamination clearing can be improved.

The invention discloses a wireless charging method. A wireless charger comprises a wireless charging emitting end and a wireless charging receiving end. The method is characterized by comprising the following steps of: (1) arranging a radiating shell at the wireless charging emitting end; (2) arranging a magnetic plate on the inner surface of the radiating shell to generate magnetic induction intensity; (3) arranging at least three induction coils, wherein the induction coils are arranged in a triangular form; (4) arranging a power adapter which is connected with the induction coils through leads and is used for supplying a working power supply to the induction coils; and (5) arranging an NTC (Negative Temperature Coefficient) control device which is connected with the coils and a charger control circuit and is used for controlling the magnitude of charging current by monitoring the temperature of a magnetic core. The invention further discloses a wireless charger for implementing the method. The method and the charger provided by the invention have the advantages of working stability, high working efficiency, high reliability, and capability of supporting high-power charging equipment.

The invention discloses an efficient and stable rotary cutting machine. Before the rotary cutting device begins rotary-cut operation, a first lifting driving device slides along a first horizontal guide rail in a direction away from a second clamping part. A first lower telescopic support rod and a second lower telescopic support rod slide to abut against a round wood, thereby supporting the roundwood to abut against an upper driving wheel body. A first rotating shaft is moved in the direction away from the second clamping part by driving of a first advancing and retracting motor.A first lifting frame is moved to the height of a first cutting knife corresponding to the circle center of the round wood. A worker rotates a first operation handle to perform adjustment, so that a first clamping arm clamps the round wood. A controller controls the driving of a first lifting motor, ensures that the pressure of a first main substrate on the first lifting frame before clamping the round wood is equal to the pressure after clamping, which makes the first lifting driving device slides along the first horizontal guide rail towards the direction close to the second clamping part, and makes thefirst rotating shaft moves towards the direction close to the second clamping part, so that the first cutting knife is automatically aligned with the round wood.

The invention relates to a conductor and ground wire traveling vehicle which comprises a traveling wheel assembly which runs on a cable, a panel and a pressing wheel assembly, wherein the traveling wheel assembly comprises a traveling wheel which is contacted with the upper surface of the cable; the panel is parallel to the cable and is connected with one side of the traveling wheel assembly to synchronously move; the pressing wheel assembly is arranged on the panel; and the pressing wheel assembly comprises at least one pressing wheel which is directly contacted with the lower surface of the cable and synchronously moves along with the traveling wheel and an elastic mechanism for elastically compressing the pressing wheel towards the cable. In the case of an barrier, the elastic mechanism is deformed, the pressing wheel is allowed to be clung to the surface of the barrier to move forwards until climbing over the barrier to ensure that the elastic mechanism is returned to be in an initial state, so that the pressing wheel is always compressed towards the cable without being deviated from the cable or being loosened.

The invention provides a novel chip-blocking resistant structure for a chain plate chip cleaner. The novel chip-blocking resistant structure for the chain plate chip cleaner comprises a chain protection mechanism, a driving chain wheel, a front shaft, conveying chain plates and a chip outlet; the chain protection mechanism is installed on the side plate of a machine head; the chip outlet is installed at the lower portion of the side plate of the machine head; the driving chain wheel is installed at the front side of the chain protection mechanism; the front shaft is installed in the middle of the driving chain wheel; the conveying chain plates are installed at the upper side and the lower side of the driving chain wheel; the left side of the conveying chain plates are provided with an upper welding rail, a middle welding rail and a lower welding rail from up to down; a sawtooth metal plate is installed at the lower left of the conveying chain plates; and a chip blocking guard plate is installed on the sawtooth metal plate. Compared with the prior art, the beneficial effects of the novel chip-blocking resistant structure for the chain plate chip cleaner are that a normal chain plate chip remover is widely used in the machine tool chip removing field, but the problems of chip-blocking and chip-stopping in removing process of long and curly chips generated in rough machining process are not solved, however, the novel chip-blocking resistant structure for the chain plate chip cleaner can solve the problem.

The invention relates to a silicon nitride gradient porous capillary core for a loop heat pipe and a preparation method of the silicon nitride gradient porous capillary core by combining a coating method. The silicon nitride gradient porous capillary core comprises a primary silicon nitride capillary core and at least one silicon nitride micropore layer coating the outer surface of the primary silicon nitride capillary core, wherein the primary silicon nitride capillary core has the porosity of 60 to 90 percent and the pore diameter of 10 to 200 microns, and the silicon nitride micropore layerhas the porosity of 40 to 60 percent and the pore diameter of 0.1 to 1 micron.

A tyre's inner tire mat belt installing machine comprises a frame, on which a tyre conveying device, a tyre flaring device and tyre filling device. The tyre flaring device is positioned at the middle part of the tyre conveying device. The tyre filling device is positioned above the tyre flaring device. The tyre's inner tire mat belt installing machine has a relatively simple structure. Tyre flaring and filling of inner tire mat belts can be simultaneously carried out at only a station. Probability of matching errors between working procedures during the working process is reduced, occupation space of equipment is also saved. Accuracy requirement is low, and long-term stable and efficient operation can be realized.

The invention belongs to the technical field of the diesel engine tail gas posttreatment, and relates to a compact-type mixing device capable of meeting a Euro-VI emission standard. The compact-type mixing device comprises a gas inlet pipe, a urea nozzle, a housing, a transition pipe, and a cone, wherein the gas inlet pipe and the urea nozzle are welded at one side of the housing, and a certain included angle is formed between the gas inlet pipe and the urea nozzle, the other side of the housing is welded with the transition pipe, and the transition pipe is welded with the cone; the housing isinternally provided with a rotational flow pipe, and the tail end of the transition pipe is provided with an insert mixer. Through using the rotational flow pipe and the insert mixer, the effect of mixing and crushing is better, so the mixing uniformity is better, a risk of urea crystallization is greatly reduced, and the efficient and stable operation of an SCR can be guaranteed.

The invention provides a preparation method of a ferronickel-based nanosheet / foamed nickel oxygen evolution reaction electrode material, and solves the problems that the preparation process of an existing ferronickel-based electrode material for oxygen evolution reaction is tedious, the binding power of a nickel-iron-based catalyst is relatively low under high current density, active components are easy to fall off along with bubbles, and performance is quickly attenuated consequently . According to the preparation method, foamed nickel is used as a matrix, and the ferronickel-based nanosheet / foamed nickel oxygen evolution reaction electrode material is obtained through in-situ corrosion and electrochemical reconstruction by utilizing etching of ferric ions to nickel and coordination of phytic acid to nickel and iron ions.