40results about How to "Won't go out" patented technology

The invention discloses a waste tire rubber powder grinding system. The waste tire rubber powder grinding system comprises a rubber grinder and a vibrating screen, wherein the head part of the vibrating screen is arranged under a discharging opening of the rubber grinder. The waste tire rubber powder grinding system is characterized in that a dust absorption hood is arranged above the rubber grinder and the vibrating screen; the dust absorption hood covers the rubber grinder and the vibrating screen; an air outlet in the top of the dust absorption hood is connected with a pipeline; the other end of the pipeline is connected with an air exhaust fan; an air outlet of the air exhaust fan is connected with an air outlet pipe; a pipe opening of the air outlet pipe is sleeved with a filtration bag; a weight balancing block is assembled in the filtration bag; the filtration bag is immersed in a water tank. A dust removal device is additionally arranged above the grinder and the vibrating screen, and thus the emission of powder dust is reduced and the workshop environment is greatly improved.

The invention relates to a plasma generating method in a ring-shaped plasma generating device, wherein the plasma generating device comprises a gas pathway which is provided with a gas inlet and a gas outlet and forms a ring-shaped pathway and a coil which winds on a part of the gas pathway. The plasma generating method comprises following steps: providing mixture gas of Ar gas which contains at least 5%NF3 and NF3 gas into the gas pathway, driving the coil by high-frequency electrical energy, and thereby enabling a procedure of plasma ignition, wherein the procedure of plasma ignition is executed under total pressure of 6.65-66.5Pa.

The invention discloses a resistance lowering device and method for the power cable high-resistance fault point.The resistance lowering device comprises a high-voltage pulse generating part and a direct-current arc maintaining part, wherein the high-voltage pulse generating part and the direct-current arc maintaining part are in parallel.The high-voltage pulse generating part is connected with the direct-current arc maintaining part through a sphere gap, a magnetic switch and a silicon stack; when the resistance lowering device for the power cable high-resistance fault point operates, pulse voltage is firstly output, and a direct current for keeping arc burning is finally output.When the resistance lowering device for the power cable high-resistance fault point operates, a high-voltage pulse firstly acts on a high-resistance fault point of a cable, after the high-resistance fault point of the cable is broken down by the high-voltage pulse and arc discharging is carried out, resistance is decreased to be close to a short circuit, and the direct-current arc maintaining part provides the direct current for the high-resistance fault point to keep arc burning till the high-resistance fault point is subjected to resistance lowering.According to the resistance lowering device and method, under the condition that the power cable is not damaged, main insulation of the cable of the high-resistance fault point can be partly carbonized within ten more seconds to dozens of seconds, and resistance to ground of the fault point is subjected to resistance lowering.

The invention relates to a low nitrogen oxide emission burner device. A tubular gas chamber is arranged inside an air pipe; a multi-chamber premixer structure is formed by gas separation plates and gas spray orifices on the outer cylindrical surface of the gas chamber; a central air pipe is arranged inside the air pipe; a gas inlet hole is formed in the outer circular surface of the central air pipe; one end of the central air pipe is connected to a kindling material draught fan, and the other end of the central air pipe is provided with a kindling material burning head; the front end of the air pipe is provided with a secondary mixing device which sucks part of flue gas in a furnace hearth by a gas inlet annular passage of a furnace chamber of the secondary mixing device through the negative pressure effect formed by high-speed and high-temperature airflow at the front end of the air pipe; the air pipe is connected to a main draught fan which is connected to an air inlet channel; a flue gas introduction cavity and an air introduction cavity are arranged inside the air inlet channel; two stages of ventilation doors are arranged at the lower part of the air introduction cavity; andthe proportion of air and flue gas entering the main draught fan is adjusted through the two stages of ventilation doors. The low nitrogen oxide emission burner device is based on two-premixing, two-mixing, two-air distribution, two-adjustment and one-stabilization design structure and realizes the ultra-low nitrogen combustion.

The invention provides a flow control valve and belongs to the technical field of control valves. Through the flow control valve, the technical problems that the gas flow of an existing combustor is difficult to control and the combustor is not safe in use are solved. The flow control valve comprises a valve body and a front end cover. The outer surface of the valve body is provided with a gas inlet pipe, a gas outlet pipe and an ignition gas pipe. The valve body is internally provided with a spacer block. The spacer block is provided with a first through hole. The gas inlet pipe communicateswith a second containing cavity. The gas outlet pipe and the ignition gas pipe communicate with a first containing cavity. A valve element is arranged in the first containing cavity. The rear end of the valve element is provided with a shaft hole coaxial with the first through hole. The outer surface of the rear end of the valve element is provided with an ignition gas hole and a gas outlet hole communicating with the shaft hole. When the valve element rotates in the first containing cavity, the ignition gas pipe communicates with the ignition gas hole, and the gas outlet pipe communicates with the gas outlet hole. An ignition gas channel and a combustion gas channel supply gas respectively. When the ignition gas channel conducts ignition, the gas supply flow of the ignition gas channel isstable, the ignition efficiency is high, and the ignition process is safe.

The invention discloses an efficient energy-saving heating furnace, and belongs to the technical field of furnaces. The furnace comprises a furnace body, a combustion chamber, a packing device, an ashsmashing device, a smoke discharging device and a furnace grate, a heat collection water drum is mounted on the furnace body, a cavity is formed in the heat collection water drum, a concave face is mounted on one face, a waste heat recycling device is mounted on the smoke discharging device, and is internally provided with a coiled corrugated pipe, a water tank and a water sleeve are mounted on the furnace body, a heating circulating water system is mounted on the furnace body and comprises a water outlet pipe and a water returning pipe, the water returning pipe is connected with the water tank and one end of the corrugated pipe in the waste heat recycling device, the other end of the corrugated pip is connected with the water outlet pipe, the water tank connects the cavity of the water collection water drum and the water outlet pipe through a pipeline, the water sleeve is connected with the water outlet pipe through a pipeline, the heating area is increased, the combustion heat can be efficiently used, combustion is sufficient, fuel is saved, pollutant emissions can be reduced, safety property is high, the packing is rapid and convenient, and the furnace is suitable for all heating furnaces.

The invention discloses an arc-extinguishing commutation switch and a manufacture method thereof. The method comprises the following steps: making a static contact base by a cubic material with high conductivity; respectively welding a static main contact and a static arc contact on the static contact base; covering an arc-extinguishing cover outside the static main contact and the static arc contact and exposing the pressing surface of the static contact base outside the arc-extinguishing cover; mounting a magnetic pushing mechanism on an arc-extinguishing cover plane corresponding to the static contact base; and hinging a movable main contact and a movable arc contact on a pushing rod of the magnetic pushing mechanism. The arc-extinguishing commutation switch made by the method bears a great current and has a small electric arc in closing and switching off the switch; low electric potential at both ends of the switch after being switched off can satisfy the need for safely connecting the upright column and the short-circuited block when an electrolytic tank is stopped or opened.

The invention belongs to the technical field of gas stove furnace shells, and particularly relates to a turbine furnace shell. The turbine furnace shell includes a furnace shell body, a turbine-shapedejector tube arranged on one side of the furnace shell body and a furnace core covered on the top of the furnace shell body. A high fire channel and a low fire channel are arranged in the furnace shell body. The high fire channel includes an air inlet, a high fire air inlet, a high fire flow channel and a plurality of high fire air outlets. The low fire channel includes a low fire air supply portfor supplying air to a low fire flow channel, a low fire air inlet, the low fire flow channel and a plurality of low fire air outlets. The low fire flow channel is arranged at the center of the furnace shell body, the high fire flow channel is arranged on the outer circle of the low fire flow channel in a surrounding mode, the top end of the low fire flow channel and the top end of the high fireflow channel are connected with the furnace core, the multiple high fire air outlets are evenly formed in the connection position of the furnace core and the high fire flow channel, and the multiple low fire air outlets are evenly formed in the connection position of the furnace core and the low fire flow channel. The low-fire combustion is more stable, the overall combustion fire force is stronger, and the service life is longer.

The invention relates to the field of ashtrays, and in particular to a glass cigarette ash cup provided with a fortune ball. The cigarette ash cup comprises a cylindrical cup body, and further comprises a filter screen rack, a water pump and the fortune ball which are arranged in the cup body, wherein the filter screen rack comprises a rack body and a water retaining side; by virtue of the water retaining side, the cup body is divided into an upper cavity layer and a lower cavity layer; two fan-shaped movable plates are connected to the rack body; the water pump is located within the lower cavity layer of the cup body; a pipeline is connected to the water pump; a water pillar, which is provided with a trumpet-shaped port, is connected into the filter screen rack by virtue of a screw thread; the bottom of the water pillar extends out of the water retaining side and is connected to the pipeline by virtue of a screw thread; and the fortune ball is arranged on the trumpet-shaped port of the water pillar. With the application of the glass cigarette ash cup provided by the invention, cigarette ash can be prevented from flying around, the cigarette ash, which accumulates in the upper cavity layer, is free from smell, and the cigarette ash, which does not accumulate on the surface of the cigarette ash cup, is free from influence on the appearance of the cigarette ash cup.

The present invention discloses an egg-shaped coal stove with electric ignition function. It includes stove shell, stove top, fire hole, stove cavity, fire door, stove bottom plate, stove legs, refractory cement, heat-insulating filler, stove core, electroheating tube, and input/output high-temperature-resisting wire, electroheating tube fixing frame, stove core supporting frame and electric control device. Said invention also provides the working principle of said electric ignition type egg-shaped coal stove and its concrete operation method.

The invention relates to a foolproof device for manual ignition of a cooking range. The foolproof device includes a first turntable for controlling a pilot flame gas passage valve and a second turntable for controlling a main flame gas passage valve. The first turntable is provided with a first notch. The second turntable is provided with a second notch. When the disk edge of the first turntable except the first notch is stuck in the second notch and limits the rotation of the second turntable, the pilot flame gas passage valve and the main flame gas passage valve are initially closed, when the first turntable rotates to the first notch and is opposite to the second turntable and the limitation of the second turntable rotation is released, the pilot flame gas passage valve is open, and when the disk edge of the rotating second turntable except the second notch is stuck in the first notch and limits the rotation of the first turntable, the main flame gas passage valve is open. The foolproof device greatly improves the safety of the manual ignition of the cooking range, and ensures that the pilot flame will not be extinguished due to the misoperation of the manual ignition valve in the case of the main fire ignition.

The invention discloses a burner cap. The burner cap comprises an annular outer ring, an upper cap face, a waterproof eave and a plurality of flame stabilizing holes; the upper end face is located onthe end face of the outer ring, and a gas mixing chamber is formed between the inner circumferential face of the outer ring and the upper cap face; the waterproof eave is arranged along the outer circumferential face of the upper cap face; and the flame stabilizing holes are formed in the mode of penetrating the outer ring and enable the gas mixing chamber to communicate with an external space, and the extension line of at least one flame stabilizing hole extends to the waterproof eave. According to the burner cap, the waterproof eave is arranged along the outer circumferential face of the upper cap face, the extension lines of the flame stabilizing holes are made to extend to the waterproof eave, that is, outlets of the flame stabilizing holes are located in a safe space formed between the waterproof eave and the outer circumferential face of the outer ring, thus flames in the flame stabilizing holes can keep stable and cannot be extinguished by overflowing liquid, the flame stabilizing holes are also not blocked due to entering of the liquid, and the flame stabilizing effect is good.

A lighting system comprising a plurality of light-emitting diodes and a power supply source for driving current through a plurality of parallel disposed, electrically conductive branches, wherein the branches comprise at least one cell. The branches are configured to display the light-emitting diodes according to a three-dimensional arrangement. In each cell, each branch has a light-emitting diode with an anode terminal and a cathode terminal. The anode terminal of each light-emitting diode is coupled to the cathode terminal of a light-emitting diode of an adjacent branch via a shunt. The shunt further comprises a light-emitting diode. In each cell, each light-emitting diode may have a different forward voltage characteristic, while still insuring that all of the light-emitting diodes in the arrangement have the same brightness. Upon failure of one light-emitting diode in a cell, the remaining light-emitting diodes in the same cell are not extinguished and, in a multiple cell embodiment, the light-emitting diodes in the successive cells are not extinguished.

The invention relates to an auxiliary device for repelling mosquitoes, in particular to a safe burning box for mosquito coils. The mosquito-repellent incense safe burning box includes the mosquito-repellent incense burning box body, and the specific design is: the box body of the ordinary mosquito-repellent incense burning box is increased and deepened, and a circular air hole is arranged on the upper part of the box body wall, and the box mouth is made to match the box cover. The ignited mosquito-repellent incense is put into the box body, the lid is covered, and the gas is exchanged through the vent hole to ensure that the mosquito-repellent incense will not be extinguished, and the gas generated by the burning of the mosquito-repellent incense repels mosquitoes. The beneficial effects of the invention are: simple structure, easy to use, safe and hygienic.