58results about How to "Increase internal air pressure" patented technology

The invention provides a rapid ventilation and smoke exhausting device for a construction period of a long-distance tunnel. The rapid ventilation and smoke exhausting device comprises a gantry bracket, a fixed wind door and a movable wind door, an axial flow ventilator and a jet flow draught fan, and a motor control system, wherein the fixed wind door is arranged at the upper end of the gantry bracket and the movable wind door is arranged on one side of the gantry bracket; the axial flow ventilator and the jet flow draught fan penetrate through the fixed wind door; the fixed wind door is matched with the unfolded movable wind door so that the axial wind flow in the tunnel is separated; a wind inlet of the axial flow ventilator and a wind outlet of the jet flow draught fan are formed in one side, which is close to a working surface, of the fixed wind door; the wind outlet of the axial flow ventilator is connected with a flexible wind barrel; the wind outlet of the flexible wind barrel extends to the outer part of the tunnel. According to a ventilation and smoke exhausting method provided by the invention, the wind doors for separating the axial wind flow are arranged in the tunnel; a safe space and a closed polluted space are formed on the two sides of the wind doors respectively, and pollutants in the polluted space can be discharged out of a hole along an airflow through a closed exhausting channel by using ventilation equipment; blasting equipment is used for blasting wind into the polluted space from the safe space so that the pollutants rapidly flows towards the inlet of the ventilation equipment.

The invention discloses an exhaust gas absorption device for aluminum alloy die casting product production, and concretely relates to the field of exhaust gas treatment. The device comprises a gas inlet tube, one end of the gas inlet tube is connected to the bottom of a water storage tank, a heat exchange tube is arranged at the end part, corresponding to the gas inlet tube, in the water storage tank, one end of the heat exchange tube is connected to the outer sidewall of the middle part of the water storage tank and is connected with a first gas delivery tube, one end of the first gas delivery tube is connected to the top of a spray tank, the front surface of the water storage tank is provided with a control switch, a water drawing tube is inserted into the water storage tank, one end ofthe water drawing tube is connected to the water inlet end of a first water pump, the water outlet end of the first water pump is connected with a first water outlet tube, and a second water pump is arranged at one side of the bottom of the water storage tank. The device improves the waste heat utilization effect of exhaust gas during use, and a part of the heated water is used for circulating spray treatment to improve the adhesion strength of harmful substances and particulate matters in the exhaust gas, so the purification effect on the exhaust gas is improved.

The invention discloses an anesthesia waste gas purification and recovery device in an operating room. The device comprises a base, a first recovery mechanism, a second recovery mechanism, a sterilization mechanism and an impurity removal mechanism; wherein a purification box is arranged on the upper surface of the base, a control switch group is arranged on the upper surface of the purification box, a first recovery mechanism is arranged on the right side of the purification box, the first recovery mechanism is connected with a second recovery mechanism through a three-way joint, and an impurity removal mechanism and a sterilization mechanism are sequentially arranged in the purification box from top to bottom; a collecting mechanism is arranged on an air outlet of the purifying box, anda placing mechanism is arranged on the left side of the purifying box below the collecting mechanism; according to the anesthesia waste gas purification and recovery device in the operating room, anesthetic gas can be evenly distributed, bubbles formed by the anesthetic gas are divided, impurities are removed more thoroughly, the gas can flow irregularly in an ultraviolet sterilization space, andthe sterilization effect of the anesthetic gas is improved.

The invention relates to a horizontal axis wind generating set with a de-icing device. The horizontal axis wind generating set with the de-icing device comprises a wind generating component, a de-icing external support component, a rainwater treatment chamber, a steam treatment component and a hot air component. Through specifically arranging the various components, after the surface of a wind turbine blade is found to be frozen, namely, after a cabin position is fixed through a cabin card component, a heat-insulating component is raised and a wind power blade is blown by the hot air, so the effect of removing the ice on the blade surface effectively is realized.

The invention discloses a self-protection bird repeller based on wind power supply. The self-protection bird repeller comprises a mounting base, a downwind mechanism is rotatably connected to the end,away from a bottom shaft rod, of an adapter ball head, a protection cylinder is fixedly connected to the end, away from the adapter ball head, of the downwind mechanism, and a gas sound production mechanism is fixedly connected to the bottom of an inner cavity of the protection cylinder; a micro-sound-wave resonance mechanism is arranged at the position, located above the gas sound production mechanism, of the inner cavity of the protection cylinder, a capacitor energy supply electromagnet is fixedly connected to the position, located above the micro-sound-wave resonance mechanism, of the inner cavity of the protection cylinder, and a wind energy mechanism is fixedly connected to the middle of the top of the protection cylinder; and a ventilation hole is formed in the position, located atthe outer side of the wind energy mechanism, of the top of the protection cylinder. The self-protection bird repeller relates to the technical field of bird repelling. The bottom downwind mechanism is used for adjustment, so that the whole equipment is parallel to the wind direction, and the equipment is protected; and when wind power is overloaded, the downwind mechanism is folded, and the wholeequipment inclines towards the ground and lies flat, so that the overall size is reduced, and the equipment is protected.

A device capable of supplying an internal combustion engine with fuel while improving the utilization rate of vaporized fuel. A temporary transition from a third state (primary recovery path FL1: closed, secondary recovery path FL2: closed, second vaporized fuel path VL2: closed, condenser 30: decompressed) to a fourth state (primary recovery path FL1: closed, secondary recovery path FL2: closed, second vaporized fuel path VL2: open, condenser 30: decompressed) is achieved. This temporarily increases an internal air pressure P of a condenser 30, and the kinetic energy of a vaporized fuel V leaked out of a first fuel tank 40 through the second vaporized fuel path VL2 is able to sweep away a first fuel F1 in a liquid state accumulated in a vacuum pump 36 to the first fuel tank 40.

The invention discloses an intelligent natural wind device, and relates to the technical field of fans. The intelligent natural wind device comprises a fan device and an exhaust device; the fan device includes an axial flow fan at the upper part; an exhaust port of the axial flow fan is tightly connected with a wind guide pipe; the lower end of the wind guide pipe communicates with a semispherical exhaust shell; mounting holes are uniformly distributed in an arc surface of the exhaust shell; exhaust devices are respectively mounted in all the mounting holes; the exhaust devices include guide pipes inserted with the mounting holes; electromagnetic valves are arranged in the guide pipes; control circuits of the electromagnetic valves and the axial flow fan are arranged in the exhaust shell; infrared scanners are respectively arranged at the upper part of the outer periphery of the wind guide pipe and the bottom of the exhaust shell; and output ends of the infrared scanners are connected with the control circuits. The intelligent natural wind device has the beneficial effects of simulation of natural wind blowing, intelligent control of the blowing direction, multi-angle synchronous working and improvement of the use experience.

The invention discloses a grass carp static farming food provisioning apparatus with a function of enlarging food provisioning areas by means of pressurization. The grass carp static farming food provisioning apparatus structurally comprises a food provisioning head, a food provisioning pipe, three wheels, a lifter, a bracket, a food storage tank and a controller. The food provisioning head is fixedly mounted at the front end of the food provisioning pipe, the food provisioning head and the food provisioning pipe are of integral structures, the tail end of the food provisioning pipe is weldedwith the lifter, the three wheels are arranged on the front side and the rear side of the bracket and are movably connected with the front side and the rear side of the bracket, and the lifter is mounted at the lower end of the left side surface of the food storage tank in an embedded manner. The grass carp static farming food provisioning apparatus has the advantages that quantitative structuresare arranged inside the grass carp static farming food provisioning apparatus, feed can stop being added when a certain quantity of feed is added, food can be quantitatively provisioned, the food provisioning speed can be reduced to a certain extent, and accordingly the feed can be saved; the grass carp static farming food provisioning apparatus is provided with a pressurization apparatus, barriers can be matched with a balance plate via a stay in up-down movement procedures, accordingly, the air pressure can be increased by the pressurization apparatus, a pressurization rod can be driven by the pressurization apparatus to be matched with a pressurization plate, the feed can be scattered and discharged via main outlets and an outer-ring encircling opening, the food provisioning areas can be enlarged, each piece of grass carp can be fed, the feed cost can be reduced, and healthy growth of the grass carp can be guaranteed.

The invention relates to a method for synchronously processing liquid steel slags, chromium slags and sludge. The steel slags are heated, the sludge is gasified, and then catalysts such as dangerous waste chromium slags are used for high-temperature catalyzing of the sludge; under the condition of steam gasification, the sludge is relatively and thoroughly converted into low-molecular high-temperature energy gas, so that the condition that the surfaces of the chromium slags are coked is avoided. Besides, the high-temperature energy gas is used for heating the chromium slags, so that hexavalent chrome in the chromium slags is reduced to obtain trivalent chromium, and the energy gas can also be cooled; CO2 and Cl in the energy gas are absorbed by alkaline substances in the chromium slags. The technology can detoxify the chromium slags and cool the steel slags, energy can also be greatly saved, and besides, high-grade energy gas is obtained.

The invention relates to the field of pesticide spraying devices, in particular to a pesticide spraying device with controllable dosage. The pesticide spraying device with controllable dosage includesa box body, a sealing structure, a pressing structure, a dosage regulating structure, an inflation structure and a pressure releasing structure, wherein external air can be filled into the box body through the pressing structure in a pressing mode, so that the air pressure inside the box body is increased, and pesticide inside the box body is sprayed in a form of mist; through combination with the dosage regulating structure, the dosage of the to-be-sprayed pesticide is controlled precisely, excessively sprayed crops in an area are avoided, and damage to the crops is avoided; through arrangement of the inflation structure, the external air can be squeezed into a secondary box under the action of the wind force in the case of large wind, so that the air pressure inside the secondary tank is increased; and the pesticide inside the secondary tank can be sprayed out without manpower, so that the labor force is saved.

The invention relates to a method of synchronously treating liquid steel slag, chromium slag and biomasses. According to the method, by heating the steel slag, gasifying the biomasses and utilizing chromium slag as hazardous wastes and other catalysts to catalyze and crack biomasses at high temperature, the biomasses are more completely converted to low-molecule high-temperature energy gas under the condition of gasifying water vapor, so that coking on the surface of the chromium slag is prevented; and meanwhile, by heating the chromium slag with utilization of the high-temperature energy gas and reducing hexavalent chromium in the chromium slag into trivalent chromium, the energy gas is cooled as well, and CO2 and Cl in the energy gas are absorbed by alkaline substances in the chromium slag. According to the process, when the chromium slag is treated to be harmless, and the steel slag is cooled, the energy is greatly saved, and the high-grade energy gas is also obtained.

The invention provides a method for synchronously processing liquid steel slag, chromium slag and biomass. The method comprises the steps that biomass is heated and gasified by the steel slag; then catalysts such as hazardous wastes and chromium slag are used for catalyzing and pyrolyzing the biomass at a high temperature; the biomass is converted to be high-temperature low-molecule energy gas thoroughly under the gasifying condition of water vapor, and coking of the surface of the chromium slag is avoided; meanwhile, the high-temperature energy gas is used for heating the chromium slag to enable hexavalent chromium in the chromium slag to be reduced to trivalent chromium; the energy gas is cooled by the way; and CO2 and Cl in the energy gas are absorbed by alkaline substances in the chromium slag. According to the technology, while the chromium slag is made harmless and the steel slag is cooled, energy is greatly saved, and meanwhile high-grade energy gas is obtained.

The invention discloses a universal environment-friendly water treatment material processing device and a preparation method thereof. The universal environment-friendly water treatment material processing device comprises a grinding box, a first mixing box and a second mixing box, wherein a feeding hole is formed in the upper end of the grinding box; a pull ring is arranged at the left upper end of the feeding hole; a second rotating shaft is arranged at a central position inside the grinding box; a plurality of grinding blades are uniformly arranged on the second rotating shaft; an arc screen is arranged at the lower end of the second rotating shaft; the first mixing box is arranged just under the grinding box; a third rotating shaft is vertically arranged at a central position on the right side of a first motor; ultrasonic generators are arranged on left and right sides inside the first mixing box; a transporting pipe is arranged on the right side of a lift pump; the right side of the transporting pipe is fixedly connected to the left upper part of the second mixing box; and an addition port is formed in the left upper end of the second mixing box. According to the device disclosed by the invention, the pull ring is held by a user to open the feeding hole by virtue of the first rotating shaft, and materials are put into the grinding box; and the second rotating shaft drives the grinding blades to grind the raw materials inside the grinding box.

The invention discloses a rail-type automatic evaporator leak detector, which is used to detect whether an evaporator has an air leakage problem after the evaporator is machined and formed. The rail-type automatic evaporator leak detector comprises a top rail, a bottom rail, a traction line, a traction arm, a rail car, a gas booster pump, a leak detection pool, a connection pipe and a plug. When the rail-type automatic evaporator leak detector is used, the connection pipe sleeves one end of an evaporator pipeline, the other end or ends is plugged with the plug, the whole evaporator is placed on the rail car, the whole car is towed into the leak detection pool, then the pressure in the pipeline is increased through the gas booster pump so as to make the internal pressure greater than 2.8 Mpa, and the whole car stays in the pool for 30 minutes. If no bubbles emerge, then the evaporator is qualified, otherwise unqualified. The applied air pressure is slightly higher than the pressure in the pipeline during actual use, so that the use safety can be ensured and the phenomenon of liquid leakage is eliminated.

The invention discloses a purification device which comprises a high-pressure sealed water tank and a filtering pressurizer, the high-pressure sealed water tank is used for loading water to dissolve residual ozone in ozone mixed gas so as to form high-oxygen-content gas and high-concentration ozone water, and the high-pressure sealed water tank is communicated with a first gas inlet pipe so that the ozone mixed gas can enter the high-pressure sealed water tank; the filtering pressurizer is used for filtering the high-oxygen-content gas and gathering a part of the high-oxygen-content gas in thehigh-pressure sealedwater tank, so that the internal air pressure of the high-pressure sealedwater tank is increased, and the high-pressure sealed water tank is communicated with a first gas outlet pipe, so that filtered high-oxygen-content gas is discharged; a gas outlet of the high-pressure sealedwater tank is communicated with a gas inlet of the filtering pressurizer, so that high-oxygen-content gas is introduced into the filtering pressurizer from the high-pressure sealedwater tank. The purification device can be used for removing residual ozone in ozone mixed gas and producing high-oxygen-content gas and high-concentration ozone water at the same time. The invention further discloses a purification method.