109results about How to "Burning safety" patented technology

A convertible outdoor appliance features a bowl that is configured to burn solid fuel and is mounted to at least one leg or pedestal. One or more screen sidewalls are removably supported by the bowl. The height of the bowl is adjustable between a barbecue grill position and a fireplace position. A lid is configured to fit atop the bowl and the sidewalls, whereby a barbecue grill is formed when the pedestal is in the barbecue grill position, said sidewalls are removed and said lid removably covers said bowl; and an outdoor fireplace is formed when the pedestal is in the fireplace position, and the sidewalls are releasably supported by the bowl.

The invention discloses a household gas burner, belonging to the part in the household gas kitchen range. The present household gas burner has the complex structure, poor processing precision and big accumulative error in assembling. The household gas burner comprises a nozzle, a gas distributing device, a gas mixing device and a fire lid, and characterized in that the gas distributing device and the gas mixing device are all the integrated structure, wherein the gas distributing device comprises a gas supplying pipe and a distributing chamber, a primary air inlet open is arranged on the distributing chamber, the nozzle is fixed on the orifice of the gas supplying pipe in the distributing chamber; the gas mixing device comprises a mixing pipe, a mixing chamber, a buffer baffle plate and a secondary air inlet slot, the mixing chamber is matched with the distributing chamber, the buffer baffle plate is arranged above the orifice of the mixing pipe in the mixing chamber, the secondary air inlet slot is arranged at the side surface of the gas mixing device. The gas distributing device and the gas mixing device in the invention have no accumulative error in assembling, simple assembling and safe and reliable use.

The invention discloses an industrial waste gas combustion device and a method thereof. The invention comprises an industrial waste gas channel, at least one primary air channel, and at least one ignition device which is arranged at the terminal end of the industrial waste gas combustion device by extension, wherein, the industrial waste gas combustion device further comprises at least one secondary air channel; the industrial waste gas channel, the primary air channel and the secondary air channel are all ring-shaped channels; the industrial waste gas channel is arranged at the outer side of the primary air channel in a rotating way; and the secondary air channel is arranged at the outer side of the industrial waste gas channel in a rotating way. As the invention uses a structure that the industrial waste gas channel, the primary air channel and the secondary air channel are mutually separated, the combustion is safe and reliable; as a trumpet-shaped ring-shaped channel is used by each channel, the fullness of the flame can be enhanced, the length of the flame can be reduced, and the combustion efficiency can be improved.

The invention provides a gas treating apparatus. Hydrogen and other combustible gases with high concentrations flow into the apparatus, various gases are treated safely and reliably. According to the gas treating apparatus (10), gases (F) to be treated are supplied from the inlet (28) at the upper portion of the cylindrical reactor (12) vertically arranged on a water tank (18), thermal decomposition of the gases (F) to be treated is carried out in the reactor (12), and gases (G) to be discharged generated after thermal decomposition are discharged from the outlet (12a) arranged at the lower part of the relactor (12). The lower end surface of the relactor (12) is provided with an opening, the oxidizing gas (A) transmitted from water (W) in the water tank (18) is conducted to the reactor (12) through a lower opening (12b).

The invention discloses a hearth and combustor cooling type surface cold flame premixing gas boiler. The boiler comprises a hearth, a water cooling combustor is installed at the position of an inlet of the hearth, an outlet of the hearth is connected to a reversal chamber, U-shaped water cooling components are evenly arranged in the hearth in the circumferential direction, inlets of the U-shaped water cooling components are evenly connected to an annular pipeline in the circumferential direction, and water outlets of the U-shaped water-cooling components and a water outlet of the water coolingcombustor are connected to a boiler water tank. According to the hearth and combustor cooling type surface cold flame premixing gas boiler, by the adoption of the water cooling combustor, uniform gascombustion can be achieved, the flame root combustion temperature is reduced while a local high-temperature area is not generated, generation of thermal NOx at the flame root is reduced, and meanwhile, a hearth cooling system is adopted, a U-shaped pipeline cooling structure is arranged, the compact structure and manufacturing economy of the boiler are achieved while the uniform low-temperature atmosphere in the boiler is guaranteed, and generation of the NOx during gas fuel combustion is further remarkably reduced.

The invention discloses an online strip heating device for magnesium alloy rolling, which includes an induction heating device, a gas heating device, and an infrared thermometer installed at the entrance and exit of the magnesium alloy rolling, and the infrared thermometer is used for real-time monitoring The magnesium alloy online temperature is connected with the control system of the induction heating device and the gas heating device, and the whole heating system is closed-loop controlled by setting the target temperature. The induction heating device adopts the medium frequency induction heating method, including the frequency conversion device, the induction heating furnace body and Furnace front control device; gas heating device includes combustion chamber, ignition electrode, ignition control system and gas distribution cylinder. The furnace body heated by induction and the combustion chamber heated by gas are distributed up and down, and the magnesium alloy strip to be rolled passes through the two And enter the rolls for rolling. The invention can quickly and efficiently control the temperature of the magnesium alloy within the optimum rolling temperature range, and at the same time can improve the temperature uniformity of the magnesium alloy strip to be rolled, so as to achieve the purpose of shape control.

The invention discloses a combustion device, and particularly relates to a combustion device for gaseous fuel with low heating values. The combustion device comprises a control box, a power mechanism and a combustor body which are integrally connected. The control box provided with a controller is arranged at the tail of the combustion device and connected with the power mechanism, a combustion fan of the power mechanism is connected with the combustor body positioned at the front of the combustion device, a motor is connected onto a shell of the combustion fan, an anti-backfire device of the combustor body is disposed at a gas inlet, a burning torch is arranged in the center of the combustion device and positioned in an ignition rectifier, the ignition rectifier and a cyclone are positioned in a gas distributing pipe, a mixing adjusting ring is arranged on a shell of the combustor body, and a high-temperature combustion stabilizer is disposed at a flame jetting port of the combustor body. By the aid of the combustion device, the gaseous fuel with the low heating value is combusted safely and sufficiently, and the combustion device is simple in structure and fine in economical efficiency.

The invention discloses a method for melting, atomization and combustion of TNT. The method for melting, atomization and combustion of the TNT comprises the following steps of (1) carrying out heating and melting on the TNT, (2) controlling the temperature of the melted TNT to be no smaller than 100DEG C, (3) starting high-pressure ignition, (4) starting an air compressor pump, (5) carrying out atomization on the melted TNT to form micro particles, (6) carrying out combustion on the atomized TNT, and (7) collecting produced energy after combustion. In addition, the invention discloses a device for melting, atomization and combustion of the TNT. The device for melting, atomization and combustion of the TNT comprises a melting box, the air compression pump and an air atomization nozzle, wherein the melting box is connected with the air atomization nozzle through a TNT pipeline, the air compression pump is connected with the air atomization nozzle through a gas pipeline, and an ignition device is arranged outside the air atomization nozzle. The method and device for melting, atomization and combustion of the TNT can achieve efficient and clean combustion of the TNT. Due to the fact that ignition is carried out before atomization of the TNT, the fact that combustion can be timely, safely and reliably carried out on the atomized TNT can be ensured. The energy obtained through combustion is recycled, and the purpose of saving energy and the purpose of protecting the environment can be achieved.

The method involves changing a switching phase of a stroke (200) and an inlet valve (160) i.e. butterfly valve, of a valve stroke changing device (220) with lean-burn phase when air-fuel ratio exhibits a value larger than one and a firing angle exceeds a maximum firing angle. A filling change device (100) is controlled such that filling at beginning of the switching phase and filling at end of the switching phase are equal. The filling change device changes size of the filling according to valve position. Independent claims are also included for the following: (1) an electrical memory medium comprising a computer program for controlling torque curve of a lean executable internal combustion engine (2) a control and/or regulating device for controlling torque curve of a lean executable internal combustion engine.

The invention discloses a high-energy alcohol-based liquid fuel and a preparation method thereof, and belongs to the technical field of alcohol-based liquid fuels. The high-energy alcohol-based liquidfuel comprises an alcohol-based liquid, an auxiliary fuel and a composite additive. The preparation method comprises the following steps: compounding and blending a plurality of chemical raw materials to form the composite additive, compounding and denaturing the alcohol-based liquid with the composite additive, and blending with the matched high-energy stable auxiliary fuel to prepare the high-energy alcohol-based liquid fuel with a high combustion efficiency, a high calorific value, strong power, a good intersolubility, a low energy consumption and a low pollution discharge. The preparationmethod of the high-energy alcohol-based liquid fuel has the advantages of simplicity, no large devices, safe production process, no environmental pollution and wide sources of the raw materials; andthe product has the advantages of safety in storage and transportation, fullness in combustion, high effective heat value, reduction of air pollution, effectiveness in alleviation of energy shortage,great social and economic benefit, suitableness for large-scale quantitative production, and universal promotion values.

The invention relates to a combustion system, which comprises a hydrogen reaction tank, a mixed burner, a methanol tank, a working boiler, a steam header and a start-up boiler, wherein the hydrogen reaction tank is connected with the mixed burner through a hydrogen-contained steam pipe, the methanol tank is connected with the mixed burner through a methanol intake pipe, the mixed burner is mounted in match with the working boiler, the working boiler is connected with the steam header through a steam freeing pipe, the steam header is connected with the hydrogen reaction tank through a steam circulating pipe, the steam circulating pipe is provided with a three-way valve, and the three-way valve is connected with the start-up boiler through the steam intake pipe. The combustion system adopts two types of combustible mediums for mixed combustion, and is safe, energy-saving and environment-friendly; the defects that the calorific value of methanol is low, the combustion is insufficient, the energy utilization is not high and the like are favorably solved by fully atomizing the methanol through high-temperature hydrogen-contained steam, meanwhile, hydrogen is not needed to be stored and transported, and is used as soon as hydrogen is produced, so safety and reliability are realized; the combustion system has enormous value for industrial production and use and popularization.

The invention discloses a ground torch grading emission control device and method. The ground torch grading emission control device comprises an empty main pipe, a grading emission system, a grading control system, a burner and a ground torch combustion furnace, wherein one end of the grading emission system communicates with a main pipeline, the other end of the grading emission system communicates with the burner, the grading control system communicates with the grading emission system and the main pipeline, and the burner is arranged in the ground torch combustion furnace. According to theground torch grading emission control device, the mutual effect of all levels of emission systems can be avoided, smokeless combustion can be realized under the pressure, automatic switching can be realized when any level fails, and the safety is high.