31results about "Gaseous fuel burner" patented technology

The present invention relates to a spray head for spreading liquid or semi-liquid products, preferably foodstuff. A product feeder (5) is provided to feed or convey a product (2) through a feed conduit (3) from a product container (4) to the spray head (1) and spraying nozzles (18) are provided to spread the product (2) when it is discharged from the spray head (1). The spray head (1) comprises three separate members, namely an upper coupling member (7), a lower coupling member (8) and a nozzle member (9) provided therebetween. The upper coupling member (7) is connected to the lower coupling member (8) and to the feed conduit (3). The nozzle member (9) and/or the upper coupling member (7) define, when the upper and lower coupling members (7, 8) are interconnected, distributing spaces (13) for distributing product (2). The spraying nozzles (18) of the nozzle member (9) are provided to open and to close. The nozzle member (9) is removable from the upper and lower coupling members (7, 8) when these members have been disconnected from each other.

A snow-gun for producing man-made snow from a combination of compressed air and water features a new nozzle configuration for discharging a mixture of water-particles and air into the surrounding atmosphere. Such nozzle is provided with an elliptically-shaped discharge port having a transverse cross-section that gradually expands in size in the direction in which the air and water particles are discharged from said nozzle. Preferably, the area of the elliptical port changes non-linearly through the front wall of the nozzle, whereby water particles exiting the gun through the nozzle port are less likely to collide with the side walls of the port or with each other before reaching the relatively cold ambient atmosphere.

The invention discloses a gas water heater provided with a cold water inlet pipe and a hot water outlet pipe. The gas water heater comprises a shell, a catalysis combustor, a preheating combustor anda heat exchanger. A combustion chamber is formed in the shell. The catalysis combustor is arranged in the combustion chamber. The preheating combustor is arranged in the combustion chamber and is adjacent to the catalysis combustor. When the preheating combustor conducts combustion, the preheating combustor acts on the catalysis combustor, and the catalysis combustor is heated. One end of the heatexchanger communicates with the cold water inlet pipe, and the other end of the heat exchanger communicates with the hot water outlet pipe. The heat exchanger is used for absorbing heat generated dueto combustion of the preheating combustor and combustion of the catalysis combustor and conducting heat exchange on the absorbed heat and water in the heat exchanger. The gas water heater is simple and compact in structure, the energy utilization rate can be sufficiently improved, and harmful substance emission is reduced.

The invention discloses an ignition system of an energy-saving eternal lamp utilizing exhaust gas. The ignition system comprises eternal lamp ignition units and natural gas sources which are connected with the ignition unit, wherein the eternal lamp ignition unit comprises an eternal lamp igniting device; each eternal lamp igniting device comprises an eternal lamp loop and an ignition loop; the multi-gas-source eternal lamp ignition system is characterized by also comprising a flammable exhaust gas source, a liquid separation tank and a classified water sealed tank, wherein the flammable exhaust gas source is connected with the liquid separation tank and then connected with the classified water sealed tank; the eternal lamp ignition unit comprises at least two sets of eternal lamp igniting devices; the classified water sealed tank is connected with the ignition loop of at least one set of eternal lamp igniting device; the natural gas sources are connected with the ignition loops of all sets of eternal lamp igniting devices in the eternal lamp ignition unit; the flammable exhaust gas source is connected in parallel with the natural gas sources. The ignition system disclosed by the invention can be used for igniting an eternal lamp by utilizing exhaust gas, and also utilizing the gas sources in a multi-stage manner, and is safer and more reliable.

The invention relates to a flow guiding disc of a group injection flow complemented-burning type gas burner, in particular to a flow guiding disc for guiding flowing direction of main complemented-burning gas in the gas burner and belongs to the technical field of the gas burner. A main burning soft-fire path is arranged at the center of a disc body, and a plurality of complemented-burning soft-fire paths are arranged on an outer ring of the main burning soft-fire path. A plurality of round main burning moderate-fire paths are arranged on outer rings of the complemented-burning soft-fire paths. A plurality of complemented-burning moderate-fire paths are arranged on outer rings of the main burning moderate-fire paths, and a plurality of main burning big-fire paths are arranged on outer rings of the complemented-burning moderate-fire paths. Complemented-burning big-fire paths are arranged on outer rings of the main burning big-fire paths. The flow guiding disc of the group injection flow complemented-burning type gas burner is simple, compact and reasonable in structure, complete and stable in burning and high in flame temperature, reduces emission, saves energy sources and improves burning heat efficiency.

A combustion apparatus is disclosed that improves oxidation efficiency without increasing either combustion apparatus size or residence time, where the apparatus includes a combustion zone having a static mixing zone along a length of the combustion zone.

A liquid mist fire extinguisher, comprising a container for holding a gas and a liquid under pressure. The extinguisher has valve assembly at the upper end of the container, a valve for simultaneously releasing said gas and said liquid separately from the container, and a hose for feeding said gas and said liquid separately through a nozzle. The nozzle assembly includes means for feeding said gas and said liquid separately through a mixing chamber, and exiting orifices in an end surface of said nozzle assembly for issue of mixed gas and liquid in a fine mist.

The invention relates to an upper-air-intake dual-ring combustor which comprises a base, nozzles, a foundation seat and burner caps. The base is embedded on a panel and is internally provided with a fuel gas channel; the nozzles comprise a first nozzle and a second nozzle communicating with the fuel gas channel; the foundation seat is supported on the base and comprises an inner-ring seat body andan outer-ring seat body arranged on the periphery of the inner-ring seat body at an interval; the inner-ring seat body is provided with an inner injection pipe; the outer-ring seat body is provided with an outer injection pipe; the burner caps comprise an inner-ring burner cap and an outer-ring burner cap; the inner-ring burner cap covers the inner-ring seat body in a matching way; an inner-ringgas mixing chamber is formed between the inner-ring burner cap and the inner-ring seat body; the outer-ring burner cap covers the outer-ring seat body in a matching way; an outer-ring gas mixing chamber is formed between the outer-ring burner cap and the outer-ring seat body; a temperature sensing probe stretching out to the upper part of the inner-ring burner cap is arranged in the inner-ring seat body; and a check ring is arranged on the top face of the inner-ring burner cap in an upward extending way along the circumferential direction, and is located on the inner circumference of a fire hole of the inner-ring burner cap. According to the upper-air-intake dual-ring combustor, the influences of flame, smoke and the like on the temperature rise of the temperature sensing probe can be reduced, so that the temperature measurement accuracy and the service life of the temperature sensing probe are improved and prolonged.

The invention relates to the technical field of gas devices, in particular to a gas burner and a gas stove. The gas burner comprises a flange connecting plate, an end seal plate, a rectangular bottom plate and an arc gas screen. The arc gas screen is fixed to the two sides of the rectangular bottom plate. A mixed gas cavity with the semi-arc section is formed between the rectangular bottom plate and the arc gas screen. The flange connecting plate and the end seal plate are arranged at the front end and the rear end of the mixed gas cavity correspondingly, and the flange connecting plate is provided with an air inlet. The gas burner further comprises a fairing arranged in the mixed gas cavity, through holes or through grooves are evenly distributed in the fairing, a gas homogenizing cavity is formed in the fairing, and the air inlet communicates with the gas homogenizing cavity. The invention further discloses the gas stove. The gas stove comprises the above gas burner and a furnace cavity. Compared with ordinary gas burners, the gas burner can better save energy, and normal usage and service life of the stove can be guaranteed.

A home appliance with a cooktop and an oven cavity. A gas-operable burner for heating the cavity to a cooking temperature and including a gas mixing pipe is mounted to the appliance with a bracket and has an inlet for intake of gas and air for combustion, the gas mixing pipe being mounted to the appliance with a bracket. A ventilation channel extends through the appliance body. A fan is in fluid communication with the ventilation channel for creating an airstream within the ventilation channel. An air conduit extends between the ventilation channel and the gas mixing pipe, with an air conduit inlet in the airstream and an air conduit outlet adjacent the gas mixing pipe to direct air from the airstream to the gas mixing pipe for combustion with the gas and air. An air conduit stabilization apparatus mounts the air conduit to the gas mixing pipe bracket.

The invention discloses an air and gas synchronous controller. The air and gas synchronous controller comprises a shell, an air inlet end, a push rod and an elastic piece, wherein the shell is hollow and is divided into an air inlet cavity and a movable cavity by a membrane, the air inlet end is located at one end of the shell, a gas pipeline is communicated with the air inlet cavity through the air inlet end, the push rod is located in the movable cavity, one end of the push rod is connected with the membrane, the other end of the push rod is connected with an opening and closing piece at an air outlet, and the elastic piece is located in the movable cavity and abuts against the membrane. Compared with an air and gas synchronous controller in the prior art, the air and gas synchronous controller has the advantages that the structure is simple, and cost is lower. Compared with other products in the market on the aspects of functions and effects, the air and gas synchronous controller has the advantages that the air outlet volume can be adjusted in real time, fuel gas can be fully burnt, and continuous manual control over the air outlet volume is not needed.

An ammonia low-nitrogen multi-stage rotational-flow burner comprises an outer air cylinder and an inner air cylinder, a direct-flow air channel is formed between the inner wall of the outer air cylinder and the outer wall of the inner air cylinder, a plurality of main gas pipelines are evenly distributed on the outer wall of the inner air cylinder in the circumferential direction, the inner air cylinder is provided with a rotational-flow air channel, a rotational-flow air channel, a central air channel and a central gas injection channel which are coaxial from outside to inside, and fuel gas is divided into three parts through the central gas injection channel, the rotational-flow air channel and the main gas pipelines. The central air channel, the direct-flow air channel and the rotational-flow air channel divide air into three parts, classification of fuel and air is carried out in the inner air cylinder, in addition, the burner can further comprise a flame segmentation ring arranged at the front end, flame can be segmented, the contact area of gas and air is increased, combustion is more sufficient, the fuel and the air are mixed in a layered mode, and accordingly the gas and air mixing effect can be enhanced. Heat radiation transmission between a component and the surrounding high-temperature environment is slowed down, and the service life of the component is prolonged.

The present invention provides a portable sprayer, mister or fogger system for dispensing media in a uniform and controlled manner, featuring a tubular member having two semi-tubular molded parts with an open front end, and having a living hinge for flexibly coupling together the two semi-tubular molded parts for opening for ease of assembling components of the portable sprayer, mister or fogger system therein, and for securely closing once assembled; a fluid line assembled and arranged on the inside thereof for providing the media in the form of chemical, water of other suitable fluid; a nozzle assembled and arranged in a open front end and coupled to the fluid line for providing the media; a blower for blowing the media being provided from the nozzle; a pump and power line for coupling to a pump and power source for providing a supply of electrical power; a device for simultaneously controlling the operation of the fluid provided to the nozzle and the power provided to the blower; and an on/off switch coupled via a line to the device for simultaneously turning on/off the operation of the fluid provided to the nozzle and the power to the blower in response to the user pressing the on/off switch.

The invention relates to a non-metal honeycomb combustion plate for a Chinese food kitchen range. The non-metal honeycomb combustion plate is matched with a premixed combustor, is made by performing extrusion molding and baking on a high-temperature-resistant non-metal material, and has a honeycomb structure; through holes are uniformly distributed at small pore diameters and high density; the surface layer of a plate body is coated with chemical raw materials prepared through a special formula. When mixed gas in a premixed chamber passes through, the mixed gas is remixed to the maximum extent and is contacted with a coating layer on a large area, and the coating layer performs a complete combustion oxidation reaction on fuel gas, so that the mixing degree and heat efficiency of the fuel gas and combustion-boosting air are maximized, and the emission of harmful gas is minimized.

The invention relates to a gas stove with a new structure, which includes a stove and a supporting shell. A furnace is arranged inside the supporting shell, and a stove is installed in the furnace; the stove includes a combustion part, a gas mixing part, and a gas delivery pipe. , Air duct, the bottom of the combustion part is equipped with a gas mixing part, one end of the gas delivery pipe is connected to the gas mixing part, the other end is connected to the gas barrel, one end of the air duct is connected to the gas delivery pipe, the other end is connected to the fan, and the air duct is connected to the inside of the gas delivery pipe The wall is provided with partitions or spiral plates, and the beneficial effects of the present invention are: by setting partitions or spiral plates inside the air pipe and the gas delivery pipe at the same time, the intake vortex is formed, the utilization rate of air is improved, and the excess air coefficient is allowed to be reduced, thereby The total heat taken away by the unused air from the exhaust is reduced, and the utilization rate of fuel is improved.

The invention relates to a flame heating sprayer, which comprises a gas connector part, a spray pipe part and a sprayer part which are communicated in sequence; the spray pipe part is of a tubular structure; the inner space of the pipe wall of the spray pipe part is a gas confluence passage; at least one air inlet is formed in the side wall of the spray pipe part; a gas passage is formed in the gas connector part, and one end of the gas passage is provided with a gas nozzle; a sprayer passage is formed in the sprayer part, and one end of the sprayer passage is provided with a flame nozzle. According to the flame heating sprayer, when gas enters the spray pipe part, negative pressure is caused at the air inlet by the gas flowing at a high speed, so that the air outside the spray pipe part is sucked into the spray pipe part; the air and the gas are turbulently mixed in the gas confluence passage to form a gas mixture; the gas mixture is in the sprayer part; a part of the gas mixture flows through the inner side of an inner core, and the other part of the gas mixture flows through a flow distribution seam between the inner core and an outer core, and the two gas mixtures are turbulently mixed again at the flame nozzle, so that the combustion efficiency of the gas mixture sprayed finally is high, and the carbon black problem cannot be generated.

The present invention refers to a gas burner crown for kitchen hob, of the type with a radial series of notches, composed of shallower notches alternated with deeper notches, which act as small burner nozzles, from which small radial flames originate; the crown is characterised by the presence of eight regularly spaced angular sectors with shallower radial notches.

The invention discloses a refined infrared stove core for Chinese food. The refined infrared stove core for Chinese food comprises a base plate, an air and gas union pipe and a shell, the shell is installed on the base plate, a refined combustion bin is installed in the shell, refined combustion bin wall outlets are formed in the refined combustion bin which is provided with a refined bin base plate, the air and gas union pipe is installed on the lower surface of the base plate, installation holes are formed in the base plate, the air and gas union pipe is provided with a gas intake cavity, a gas orifice is formed in the gas intake cavity and provided with a gas pipe connection screw and a gas pipe connection nut, a catalyst cover is arranged in the refined combustion bin through a clamping groove, an air mixing bin is arranged in the shell, an electronic igniter is installed in the refined combustion bin, and an igniter shell is installed outside the igniter. The refined infrared stove core for Chinese food has the advantages that the structure is simplified, functions are refined, stability is higher and more reliable, a whole combustor structure is made of antioxidant materials resistant to high temperature, service life is prolonged, higher and more stable practicality is guaranteed, and energy conservation and environmental protection are achieved.

The invention discloses an infrared burner comprising a furnace end, an outer combustion body assembly and an inner combustion body assembly, a plurality of transversely-arranged air channels are formed in the furnace end at intervals, inlets of the air channels are formed in the upper end of the outer side wall of the furnace end, the outer combustion body assembly and the inner combustion body assembly are both installed above the furnace end, the outer side wall of the inner combustion body assembly and the inner side wall of the outer combustion body assembly at least jointly define an annular air channel with an upward opening, and the annular air channel communicates with outlets of the air channels. According to the infrared burner disclosed by the invention, secondary air is provided by the exterior of a stove bottom shell, combustion does not need to compete with a nozzle for limited primary air from the interior of the stove bottom shell, so that the air supplementing effectis better, and combustion is more sufficient. Besides, the air channels are transversely formed, so that heat generated by the outer combustion body assembly during working is prevented from being radiated into the furnace end, the temperature rise of the bottom of the furnace end can be reduced, secondary air can be preheated by the heat absorbed by the air channels, and the combustion heat efficiency can be improved.

The invention discloses a handheld oxygen-acetylene welding torch. The handheld oxygen-acetylene welding torch comprises a welding torch body, a clamp arranged on the welding torch body in a sleeving manner and a handle, wherein the handle and the clamp are fixedly welded. The portion between one end of the handle and the face of the clamp is arranged obliquely. Connecting through holes are formed in the folded edge of the clamp. The clamp is fixedly mounted on the welding torch body through fasteners in the connecting through holes. The handheld oxygen-acetylene welding torch is used for welding, operation is convenient, the welding defects such as burnthrough, lack of penetration and undercutting can be reduced better, the quality is stable, and meanwhile the production efficiency is improved. The handheld oxygen-acetylene welding torch is especially suitable for oxygen-acetylene welding of thin parts such as aluminum alloys.

The inventive gas stove comprises a stove door in which air-gas mixture is burning, a dog mounted in the upper part of the stove door, a stove frame firm-jointed with the fire door for fastening the stove edge, a glass disk mounted in the upper part of the frame for putting heated objects, a temperature sensor set on the lower surface of the glass disk for measuring the temperature of the glass disk and a microcomputer for controlling the rotation rate of the air supply fan according to the temperature sensed by the temperature sensor.

The invention relates to a heater pipeline structure of a roasting furnace. The heater pipeline structure comprises a secondary air inlet pipe and a fuel gas inlet pipe. The secondary air inlet pipe comprises an air valve connecting pipe and a main air inlet pipe which are communicated. A burner is fixedly connected to one end of the main air inlet pipe. A first connecting flange is arranged at the other end of the main air inlet pipe. An inner pipe is arranged in the main air inlet pipe. One end of the inner pipe is fixedly connected with the burner, and the other end of the inner pipe is fixed and supported by the aid of the first connecting flange. The burner is provided with a fuel gas nozzle and an air nozzle. One end of the inner pipe is communicated with the fuel gas nozzle, and the other end of the inner pipe is communicated with the fuel gas inlet pipe. The air valve connecting pipe is communicated with the air nozzle. The heater pipeline body structure of the roasting furnace has the advantages that fuel gas can be fully combusted, so that energy consumption is reduced.

The invention belongs to the technical field of fuel gas, and particularly relates to an adjustable rare earth permanent magnet fuel gas energy-saving device which comprises an energy-saving device body, a protective shell is fixedly connected to the outer surface of the energy-saving device body through bolts, a through connection rod is rotatably connected to an inner bearing of the energy-saving device body, and a connecting rod is arranged on the outer surface of the protective shell. The outer surface of the protective shell is connected with a connecting block in a clamped mode, and a containing frame is arranged in the protective shell. The adjustable rare earth permanent magnet fuel gas energy-saving device solves the problems that when an existing rare earth permanent magnet fuel gas energy-saving device is used, the position of a permanent magnet is fixed, due to the fact that the position is fixed, the intensity of a magnetic field at the front end and the intensity of a magnetic field at the rear end are always the same, fuel gas molecules cannot collide more disorderly, and meanwhile after the magnet is used for a period of time, the permanent magnet cannot collide with the fuel gas molecules. And sundries are easy to adhere to the interior of the energy saver, so that the magnetic field of the magnet to the natural gas is weakened.

The invention discloses a steelmaking continuous casting cutting torch with good cooling effect on the cutting nozzle, high cutting quality, fast cutting speed, low energy consumption, long service life, simple structure and small volume. It includes a torch body with an air distribution seat, a cutting nozzle located in the air distribution seat, and a water jacket on the outer wall of the air distribution seat. The cutting nozzle includes a core rod, a core seat connected with the core rod and its surrounding wall The core head is provided with several grooves, and the nozzle core sleeve is matched with the core head veneer. The core head is composed of a cylindrical section and a circular platform section. Several gas holes and preheating oxygen holes are respectively provided on the core seat, corresponding to several gas mixing holes connected to the corresponding gas holes and preheating oxygen holes. There is a high pressure oxygen hole composed of a frustum-shaped converging section, a cylindrical expansion section and an accelerating section.

The invention relates to the technical field of heat storage air combustion, in particular to an application method of a novel heat storage heating furnace with a reversing control device. The novel heat storage heating furnace with the reversing control device comprises an air blower, a reversing valve, a hearth, a gas left branch pipe, a gas right branch pipe and a smoke induced draft fan. A heat storage body 1 and a heat storage body 2 are arranged in the novel heat storage heating furnace with the reversing control device. The heat storage body 1 and the heat storage body 2 can alternately absorb heat in smoke, and finally, the heat is transferred to air and gas before entering the hearth, so that the utilization efficiency of the heating furnace to the heat is maximal. The novel heat storage heating furnace with the reversing control device can fully use smoke afterheat without generating secondary pollution, and is higher in stability. In addition, the novel heat storage heating furnace with the reversing control device is reasonable in structural design, convenient and fast in use and maintenance and suitable for popularization and application.