46results about How to "Quick jet" patented technology

The invention belongs to the technical field of 3D printing, and provides a feedback type 3D printer, aiming at solving the technical problems that various raw materials cannot be used, high-pressurefast jet printing cannot be performed by the existing 3D printer. The feedback type 3D printer includes a print head and a printer body for driving the print head to move in a three-dimensional space.The print head comprises a shell and a mixing shaft, wherein a hot melting part made of plastic is arranged in the shell; the hot melting part is provided with a circular truncated cone-shaped hot melting cavity with a large upper part and a small lower part; the hot melting part is covered with an electromagnetic heater; a sealing cover is arranged on the hot melting cavity; a pressure relief valve is arranged on the sealing cover; a material injection opening is formed in the bottom of the hot melting part; the mixing shaft is provided with spiral mixing blades; both the mixing shaft and the mixing blades are made of metal; the diameters of the mixing blades on the mixing shaft are gradually reduced; the mixing blades can also be in contact with the inner side face of the hot melting cavity simultaneously; a driving shaft is fixed to the top of the mixing shaft; the seal cover is provided with a through hole through which the driving shaft can pass; and driving teeth are arranged onthe driving shaft.

The invention provides a device for acquiring plant electrical signals and stimulating multiplied plant negative oxygen ion release. The device comprises a signal acquiring module, a signal comparing module and an electric field generating module. An electric field generating system is driven to generate a biological electric field matching with the plant biological potential fluctuation; electrical signals stimulated by the electric field with the same features can be received by the plant without damage, the plant biological electric effect can be improved in the multiplied manner, photosynthetic oxygen releasing and moisture evaporation of the plant can be accelerated through the biological electric effect, the oxygen content of the air is supplemented and increased, the plant is stimulated to release completely ecological air negative oxygen ions, the natural plant properties, namely beautifying the environment, maintaining moisture and releasing plant phytoncide can be maintained constantly, the service life is long, the device is of an 'ecological negative oxygen ion generating machine' which is high in efficiency, low in energy consumption and environment-friendly, forest-like air can be brought to city rooms, and the indoor negative oxygen ion bath environment can be formed.

The present invention relates to a method and device for starting a driving system of a motor vehicle, in particular to a method used for starting the driving system of a commercial vehicle. The driving system is equipped with an internal combustion engine boosted by an electrical exhaust turbine booster, and an engine side or transmission side power output device. According to the overall aspect of the present invention, a motor of the electrical exhaust turbine booster is started depending on the modes of the operation state of the power output device, so that the increased power output needed by the power output device can be provided faster, and accordingly, the rotating speed decrease caused by the power output demands of the power output device can be avoided or at least reduced.

The invention discloses an innocent treatment process of domestic garbage. The process includes the following steps objectifying the domestic garbage, micro-nanometer oxygen bubble degrading, pyrolysis gasifying and recycling fuel gas to achieve zero emission of the domestic garbage. The innocent treatment process can effectively conduct innocent treatment and recycling on the domestic garbage, recycles energy in the garbage to the largest extent, achieves innocent treatment of the garbage, removes secondary pollution in the garbage treating process and achieves zero emission of the garbage treatment.

The invention relates to a non-stored-pressure perfluoro fire extinguishing device. The non-stored-pressure perfluoro fire extinguishing device comprises a body and a fire extinguishing assembly, the body is provided with a cavity with an upward opening and a sealing cover used for sealing the cavity, the fire extinguishing assembly comprises a perfluoro material bag, an aerosol gas production grain and a trigger device, and the trigger device is arranged at the bottom of the body. When the trigger device is triggered, the trigger device is suitable for generating high temperature to enable the aerosol gas production grain to burn and generate a large amount of aerosol, and meanwhile, heat generated by burning destroys a packaging bag of the perfluoro material bag, and perfluoro in the packaging bag is sprayed out of the body under the pressure of the aerosol. The non-stored-pressure perfluoro fire extinguishing device has the advantages of small size, simple structure, high fire extinguishing effect, long storage time and the like.

The invention discloses an airborne bi-component water-based fire extinguishing device for an unmanned aerial vehicle. The airborne bi-component water-based fire extinguishing device for the unmanned aerial vehicle comprises a liquid agent tank A, a liquid agent tank B, a compressed air tank, a stirring and mixing mechanism and a foaming mechanism. The compressed air tank is connected with the top of the liquid agent tank A and the top of the liquid agent tank B through pipelines; the bottoms of the liquid agent tank A and the liquid agent tank B are respectively connected with the top of the stirring and mixing mechanism through pipelines; and the bottom of the stirring and mixing mechanism is connected with the top of the foaming mechanism through a pipeline. The airborne bi-component water-based fire extinguishing device for the unmanned aerial vehicle provided by the invention is carried by the unmanned aerial vehicle, compressed air on the device is remotely controlled to push two liquid agents to be rapidly mixed, reacted and sprayed, on-site preparation and spraying of a bi-component fire extinguishing agent are achieved, and the fire extinguishing agent obtained after mixed reaction is durable, stable and long in burning resistance time, so that the airborne bi-component water-based fire extinguishing device for the unmanned aerial vehicle is suitable for fire extinguishing of forest fires, high-rise building fires or other complex areas where firefighters cannot reach conveniently, can extinguish fire rapidly, opens up a fireproof isolation belt, completes efficient fire control and extinguishment, and meanwhile, does not pollute the environment.

The invention discloses a fire extinguishing device and a fire extinguishing system, and belongs to the technical field of oil storage tank fire extinguishing. The system comprises a plurality of fire extinguishing devices circumferentially mounted on a floating disc of an outer floating roof oil storage tank at intervals, and each fire extinguishing device comprises plurality of closed nozzles, a pressurized gas storage bottle, a fire extinguishing agent storage bottle, a first valve, a second valve, a pressure switch, a liquid level switch, a first junction box and an arc-shaped pipe. Gas outlets of the pressurized gas storage bottles are communicated with inlets of the first valves, outlets of the first valves are communicated with gas inlets of the fire extinguishing agent storage bottles, gas outlets of the fire extinguishing agent storage bottles are communicated with inlets of the second valves, outlets of the second valves are communicated with the arc-shaped pipes, and the closed nozzles are evenly arranged on the arc-shaped pipes at intervals in the arc direction of the arc-shaped pipes. The arc-shaped pipes are arranged along the circumference of the floating disc of the outer floating roof oil storage tank. The pressure switches and the liquid level switches are arranged on the fire extinguishing agent storage bottles. The fire extinguishing system can quickly detect a fire and extinguish the initial fire in time.

The invention relates to the technical field of heat exchange equipment, in particular to a liquid separation device for a heat exchanger and the heat exchanger, and aims to solve the problems that when a refrigerant enters a heat exchange pipe of an existing heat exchanger, gas-liquid two-phase mixing is not uniform, and the heat exchange effect is affected. In order to achieve the purpose, the liquid separation device for the heat exchanger comprises a liquid inlet pipe, a liquid separation component and a speed increasing component, the liquid separation component is provided with a mixing cavity, the mixing cavity communicates with the liquid inlet pipe, one end of the speed increasing component communicates with the mixing cavity, and the other end of the speed increasing component communicates with a heat exchange pipe of the heat exchanger; and the speed increasing component can enable the refrigerant in the mixing cavity to be quickly sprayed into the heat exchange tube. By means of the arrangement, when refrigerants enter the mixing cavity from the liquid inlet pipe, the gas-phase refrigerants and the liquid-phase refrigerants are evenly mixed, the gas-phase refrigerants and the liquid-phase refrigerants are prevented from being separated, the refrigerants in the mixing cavity are rapidly sprayed into the heat exchange pipes under the action of the speed increasing component, and therefore the heat exchange efficiency of the heat exchanger is improved.

The invention provides a cooking utensil and a control method for the cooking utensil. The cooking utensil comprises a pot body, a cover body, a steam generating device and a control device. The steam generating device comprises a water container and a steam heating device used for heating the water container. The control device is configured to enter a working state in a preset time period before the cooking space needs steam, and the control device is configured to control the steam heating device to heat water in the steam generation cavity to a boiling critical temperature and maintain the boiling critical temperature after entering the working state, the boiling critical temperature is equal to the actual boiling temperature minus the preset value, the preset value is 5-12 DEG C, and the actual boiling temperature is the boiling temperature of water in the environment where the cooking utensil is located. According to the cooking utensil, the water in the steam generation cavity is maintained at the boiling critical temperature, steam can be rapidly jetted when steam is needed in the cooking space, and therefore the cooking efficiency can be improved.

An agricultural unmanned aerial vehicle relates to the technical field of agricultural unmanned aerial vehicles and comprises a rack. A material distribution wheel is rotationally arranged on the rack, and a material receiving area of the material distribution wheel is circuitously arranged from the center to the outer side. The problems as follows are solved, an unmanned aerial vehicle in the prior art is limited by a material distribution mode and is prone to double material scattering, and consequently excessive scattering is caused; the material type is limited by the material conveying part, and the material conveying channel is also blocked; atomizing spraying is utilized, and the suspension time needs to be prolonged; and when goods are carried, personnel need to cooperate to unloadthe goods.

The invention discloses an inner inserting type gas-liquid mixing spray pipe device, which comprises an inner pipe, wherein the two ends of the inner pipe are respectively provided with a one-way spray head and a gas inlet mechanism; the one-way spray head comprises a valve seat connected with the inner pipe; the air inlet mechanism comprises a mixing chamber communicated with the inner pipe and aplurality of air inlet pipes communicated with the mixing chamber; one end, far away from the inner pipe, of the air inlet mechanism is provided with an executing mechanism; the output end of the executing mechanism is connected with a valve rod moving along the axial line direction of the inner pipe; the valve rod passes through the mixing chamber and is arranged in the inner pipe; one end, nearthe valve seat, of the valve rod is provided with a valve core matched with a valve seat spray nozzle; the surface of the valve core is streamline; the outside of the inner pipe is sleeved with an outer pipe. Excellent anti-corrosion and anti-abrasion performance are realized; the inner inserting type gas-liquid mixing spray pipe device can be used under a high-temperature, high-pressure and acidcorrosion working condition for a long time; through the device, gas and liquid can be uniformly mixed and are then conveyed into a container; the device can be automatically turned off and can be automatically regulated according to the gas inlet condition; media in the container can be effectively prevented from entering the inner pipe, so that the inner pipe blockage can be avoided.