145results about How to "Avoid going out" patented technology

The invention discloses an underground fuel gasification method, a gasifying agent delivery pipe and an underground fuel gasification system. The underground fuel gasification method comprises the steps of respectively and continuously delivering water and combustion-supporting gas to an underground fuel gasification reaction zone, atomizing the water delivered to the underground fuel gasification reaction zone by using pressure potential energy of water from the ground to the underground, mixing water vapor produced after atomization with the combustion-supporting gas delivered to the underground fuel gasification reaction zone to form mist gasifying agent, and producing fuel gas through gasification reaction between the mist gasifying agent and the underground fuel in the underground fuel gasification reaction zone by combustion and heating. The gasifying agent delivery pipe comprises a water delivery pipe and a gas delivery pipe. The underground fuel gasification system comprises an underground gasification furnace, the gasifying agent delivery pipe and an atomizing and mixing nozzle. The water and combustion-supporting gas can be mixed in the underground fuel gasification reaction zone to form the mist gasifying agent without using heat, the normalization and stabilization of the underground gasification process are realized, and the production cost is greatly reduced.

A discharge lamp lighting circuit 1 includes a direct current-alternating current converting circuit 3 , a starting circuit 4 , controlling means 15 for controlling power, switching elements 5 H, 5 L driven by the controlling means 15 and a series LC resonance circuit ( 7 p , 8, 9 ). A frequency modulating circuit is provided for restraining acoustic resonance by modulating a frequency of driving the switching element. When a basic frequency related to the drive frequency is equal to or higher than 1 MHz, a modulation width is set to be equal to or higher than 20 kHz.

The invention relates to a moxa-moxibustion box comprising a cylindrical housing and a holder arranged in the housing; the housing is at least divided into an upper cavity positioned in the most top of the housing and a lower cavity positioned in the most bottom of the housing; the holder is provided with through holes, or is a netted structure, or a hollow structure; the upper and lower cavities are mutually connected. The moxa-moxibustion box is simple in structure, low in cost, better in moxibustion effect, and stronger in practical value.

The invention provides an intelligent building protection method based on a unmanned aerial vehicle and information sharing, and a system thereof. The intelligent building protection method based on aunmanned aerial vehicle and information sharing comprises the following steps that: the control center receives a protection start command and controls the wind power detector to acquire wind power information and controls the first camera to capture a first image ; the control center analyzes whether the current wind power level exceeds a preset wind power level, the control center controls theprotection unmanned aerial vehicle to start and controls the second camera to capture a second image if the current wind power level exceeds the preset wind power level; the control center controls the protection unmanned aerial vehicle to release the connection with the connection mechanism and controls the protection unmanned aerial vehicle to fly away from the unmanned aerial vehicles warehouse; the control center controls the protection unmanned aerial vehicle to travel to the protection area and controls a fixed telescopic pillar driven by and connected with a first fixing motor of the protection unmanned aerial vehicle to extend out to resist and fix with a first fixing groove; the control center controls a first splicing plate driven by and connected with a first splicing motor of the protection unmanned aerial vehicle to extend out to resist and fix with a first splicing groove and controls a first exhaust hole and a second exhaust hole to be opened; and the control center controls the exhaust passage to be opened.

The invention relates to a gas stove. The gas stove comprises a switch valve, wherein the switch valve comprises a valve body and a valve element rotatably arranged inside the valve body; the valve element is internally provided with an air inlet passage communicated with an air source; an inner ring fire air outlet hole and an outer ring fire air outlet hole penetrating through the side wall are formed in the side wall of the valve element, wherein the valve body, corresponding to the inner ring fire air outlet hole, is provided with an inner ring main air outlet passage and an inner ring fine tuning passage, and the valve body, corresponding to the outer ring fire air outlet hole, is provided with an outer ring main air outlet passage and an outer ring fine tuning passage. During the process of adjusting heat power, after the outer ring main air outlet passage and the outer ring fire air outlet hole are staggered, the outer ring fine tuning passage supplies gas continuously in a certain angle rotation range; after the inner ring main air outlet passage and the inner ring fire air outlet hole are staggered, the inner ring fine tuning passage supplies gas continuously, so that the whole gas flow control curve becomes more gentle, and the heat power of the gas stove is convenient for a user to control accurately.

The invention discloses a deep sea net cage fish crossing prevention device. The device comprises an annular floating plate, wherein a net cage is arranged at the lower end of the annular floating plate, a plurality of fixing rods are fixed to the upper end of the annular floating plate, a protective net is arranged on the outer sides of the fixing rods, a pair of cross plates is fixed to the upper inner wall and the lower inner wall of the annular floating plate, a rotating shaft is rotatably connected between the inner walls of the middles of the cross plates, four pull rods hidden between the cross plates are fixed to the outer wall of the rotating shaft, a blocking net is arranged between the pull rods and the inner walls of the cross plates, one side of the blocking net is fixed to the side walls of the pull rods, the other side of the blocking net is fixed to the inner walls of the cross plates, four arc-shaped cavities are arranged in the annular floating plate, first pistons are arranged in the arc-shaped cavities, and magnetic blocks are fixed to the side walls of the first pistons. The device is reasonable in structure, a cage opening of the deep sea net cage can be automatically shielded through the blocking net in strong wind and strong wave weather, meanwhile, the height of the protective net is increased, and therefore the situation that cultured fishes cross thenet is avoided.

The invention discloses a comprehensive environmentally-friendly multifunctional sewage treatment system. A water volume and water quality adjusting pool D can conduct primary filtering conveniently on sludge and large impurity particles, is good in filtering treatment effect, and can conduct circulating filtering treatment on sewage. A hydrolytic acidification reacting pool E can improve the mixed contact effect of microorganisms and wastewater, and the reaction effect can be stabilized; sludge discharging and feeding can be conducted conveniently; wastewater can be input quantitatively. A waste gas treatment device B can clear off hydrogen sulfide, carbon monoxide and methane without manual feeding. A/O biochemistry pool G is arranged, so that the area occupied by a device is reduced, and the sludge is convenient to recycle and utilize. An aerating device C can realize single driving and multiple purposes, reduce energy losses, and conduct sufficient aeration on sewage. A chlorine dioxide generator A can liquefy, conveniently store and transport chlorine dioxide, operation and control are convenient, and manufacturing costs are low.

The invention discloses a control method and a control device of deep peak shaving boiler and a thermal power generation system. The control method and the control device are applied to a boiler witha 600 MW thermal power generation system, and specifically comprises the following steps that when the boiler enters a low-load operation state, the lignite is put into a furnace to serve as a main raw material of the furnace; a primary air flow of the inlet furnace is strictly controlled, and the primary air flow is controlled to be 100t/h or below. Through the above measures, the fuel put in thefurnace can be supplied stably, continuous combustion can be guaranteed, sufficient heat can be continuously released to maintain the temperature in the furnace, and unnecessary heat loss can be further reduced, the temperature in the furnace cannot be reduced, so that the boiler can be stably combusted during the low-load operation period, and the combustion in the furnace can be prevented frombeing extinguished due to instability.

PURPOSE: An exhaust gas reducing apparatus is provided to stably maintain the temperature of exhaust gas as the flame in a second combustion chamber is rapidly ignited even in the case the flame in a first combustion chamber is extinguished. CONSTITUTION: An exhaust gas reducing apparatus comprises an exhaust pipe(100), first and second combustion units, an injection nozzle(300), first and second igniters, and an air feeder(600). The exhaust pipe delivers exhaust gas to an exhaust gas filter(F). The first combustion unit is installed inside the exhaust pipe, and placed between an engine and the exhaust gas filter. The first combustion chamber comprises a first combustion chamber(211). The injection nozzle is mounted into the first combustion unit, and injects a mixture mixed with air and fuels to the first combustion chamber. One end of the first igniter is placed inside the first combustion chamber, and ignites the mixture injected from the injection nozzle. The second combustion unit comprises a second combustion chamber(521) connected to the first combustion chamber. The air feeder supplies the air to the second combustion chamber. One end of the second igniter is placed inside the second combustion chamber.

The invention provides a plasma processing method. The plasma processing method comprises that a first frequency is obtained in advance, and the first frequency is the output frequency of a frequency-variable power source when the frequency-variable power source matches the impedance of a reaction chamber in the first plasma processing process; a second frequency is obtained in advance, and the second frequency is the output frequency of the frequency-variable power source when the frequency-variable power source matches the impedance of the reaction chamber in the second plasma processing process; first plasma processing is carried out on a substrate to be processed, and at the same time, an external control unit sets the output frequency of the frequency-variable power source as the first frequency so that the frequency-variable power source matches the impedance of the reaction chamber; and second plasma processing is carried out on the substrate to be processed, and at the same time, the external control unit sets the output frequency of the frequency-variable power source as the second frequency so that the frequency-variable power source matches the impedance of the reaction chamber. The plasma processing method can keep plasma stable and avoid plasma from quenching.

The invention belongs to the technical field of efficient biomass energy utilization, and particularly relates to a special high-temperature biomass gas combustor. The special high-temperature biomass gas combustor comprises a first pipeline. The first pipeline comprises two layers, the outer layer is a first combustion improver pipeline, the inner layer is a gas pipeline, and an interval for a first combustion improver to pass is arranged between the outer layer and the inner layer. An ignition device is arranged in the gas pipeline. The first pipeline is sleeved with a second pipeline. An interval is formed between the side wall of the first pipeline and the side wall of the second pipeline. The length of the first pipeline is smaller than that of the second pipeline. An air inlet is formed in the right end of the first pipeline, and an air outlet is formed in the left end of the first pipeline. One end of the second pipeline is of a sealed structure and is fixedly connected with the air inlet of the first pipeline. The side wall of the second pipeline communicates with a gasification furnace through a pipeline. The second pipeline is further sleeved with a closed first cavity. The exterior of the first cavity is connected with a second combustion improver pipeline, and the second pipeline is provided with a plurality of through holes communicating with the first cavity. By means of the special high-temperature biomass gas combustor, the length and the temperature of flames can be adjusted, running is stable and reliable, and few pollutants are discharged.

The invention relates to the field of processing of tea leaves, in particular to green tea fixation equipment. The green tea fixation equipment comprises a machine frame, a supporting mechanism arranged on the machine frame, a fixation pot which is hinged to the supporting mechanism and can horizontally swing, a fixation oven arranged under the fixation pot, a fuel gas tank for supplying gas to the fixation oven, and a driving mechanism which is connected with the fuel gas tank and can drive the fixation pot to horizontally swing, wherein the driving mechanism is arranged on the machine frame;the fuel gas tank can drive the driving mechanism, and fuel gas is transported into the fixation oven by the driving mechanism; the top shape of the fixation oven cooperates with the bottom shape ofthe fixation pot; and elastic blocks which can bounce the fixation pot are arranged at the top of the fixation oven. The ignition of the fixation oven and the sloshing of the fixation pot are completed through the fuel gas, and then the up-and-down motion of the fixation pot is completed through cooperation of the dead weight of the tea leaves with springs and the elastic blocks. The green tea fixation equipment disclosed by the invention is good in linkage and simple in structure, tea leaves cannot produce physical collision, under the situation that the tea leaves are not damaged, uniform fixation is performed on the tea leaves, and the quality of the tea leaves is guaranteed.

The invention discloses a portable double-layer parking device. The portable double-layer parking device comprises a supporting mechanism, a lower-layer parking plate, an upper-layer parking plate andconnecting mechanisms, wherein the lower-layer parking plate is arranged on the inner side of the lower end of the supporting mechanism; the upper-layer parking plate is installed above the lower-layer parking plate in parallel; the connecting mechanisms are welded to the edges of the left side and the right side of the right end of the upper-layer parking plate; a deceleration strip is tightly attached to the upper surface of the lower-layer parking plate; and a first hydraulic cylinder is arranged on the edge of the upper surface of the lower-layer parking plate. According to the portable double-layer parking device, the deceleration strip is positioned on the rear half section of the lower-layer parking plate, so that when rear wheels of a vehicle press over the deceleration strip, a driver can be reminded that the vehicle needs to be parked in time through the arrangement of the deceleration strip, the rear wheels of the vehicle are prevented from exceeding the lower-layer parkingplate, a slope surface is used for preventing the rear wheels of the vehicle from sliding out of the upper-layer parking plate, and secondly, when the slope surface and an anti-skid rubber pad intercept the rear wheels of the vehicle, the rear paint surface of the vehicle cannot be scratched and damaged.

The invention relates to a free piston device and to a method for operating same, comprising a piston (42) which is arranged such that it can move back and forth along an axis (26). The piston receptacle (24) comprises or forms a combustion chamber (50) which is delimited by a wall (32) and which has at least one inlet opening (34, 80, 86, 88, 90) for supplying fresh gas and, at an axial distancetherefrom, at least one outlet opening (36) for discharging exhaust gas. The free piston device (10) comprises an inflow device (78) for fresh gas, said inflow device having the at least one inlet opening (34, 80, 86, 88, 90) and being designed such that fresh gas flowing into the combustion chamber (50) is directed towards an inflow region (84), which is axially offset relative to the at least one inlet opening (34, 80, 86, 88, 90) in the direction of the at least one outlet opening (36), in the combustion chamber (50), said inflow region being arranged off-center relative to the axis (26).