52 results about "Spark arrestor" patented technology

A device for arresting spark and ash issuing from, and precisely controlling the ventilation of and temperature inside, a heat source-containing vessel such as a cooking grill, stove, oven, cooker, fireplace, heater, or firebox. The device comprises a spark arrestor assembly including a base plate, a cover plate, and a spark arrestor. The base plate defines an opening. The cover plate and spark arrestor are slidably mated in two channels formed in the base plate around the opening. The cover plate and spark arrestor may be adjusted to extend across or only partway across the opening as selected by a user of the device. Tabs are provided on the cover plate and spark arrestor for easy adjustment thereof. Tabs in the base plate are positioned to define a range of slidable motion of the cover plate and spark arrestor. The spark arrestor assembly engages a fire-containing or heat source-containing vessel over an opening defined by the vessel so that the vessel opening cooperates with the spark arrestor assembly opening.

A spark arrestor and dust arrestor for same are provided. In one embodiment, the spark arrestor includes a housing having an inlet and an outlet, wherein the outlet is positioned on a dust arrestor mounting side of the housing, and a turn baffle disposed in the housing in a position that creates a tortuous flow path through the housing between the inlet and the outlet. The tortuous flow path includes a low inertia channel formed in the housing having an orientation that directs particles passing through the low inertia channel through an upper portion of the outlet of the housing, and a high inertia channel formed in the housing, wherein a downstream portion of the high inertia channel has an orientation that directs particles passing through the high inertia channel through a lower portion of the outlet of the housing.

The invention provides an optimized process scheme and equipment aiming at the problems existing in the recovery technology of the conventional converter gas dry method. In the process scheme and the equipment, physical sensible heat between 800-1,000 DEG C and 200 DEG C of converter gas is recovered by using a high-efficient heat pipe exhaust-heat boiler, and hidden danger of system explosion is eliminated by using a spark arrestor at the same time. A nitrogen pulse bag-type dust collector replaces an electrostatic dust collector, so that the equipment has the advantages of simple structure, low fault rate and high dust collection efficiency. Compared with the recovery technology of the conventional converter gas dry method, the process scheme and equipment have obvious improvements on benefits, which are shown as reduction in dust emission load, reduction in energy and water consumption, increase in steam recovery, small equipment investment, safe and reliable process and the like.

The invention relates to a silencer being designed with sound absorptive material (13, 23) and a conduit section (1, 2) with one or more conduits (1) for leading gas flow into the silencer and with one or more outlets (2) for leading gas form the silencer. The sound absorptive material (13, 23) and the conduit section (1, 2) constitutes a protrusion extending from part of an outer shell (4) such as from an end cap (5, 6) constituting part of the shell for the silencer, or from an internal member, such as a baffle (9, 10) possibly separating at least two through-flowed chamber (12) of the silencer. Not-through-flowed cavities (17, 27) are arranged essentially adjacent to or at least partly surrounding said sound absorptive material (13, 23), thereby constituting one or more resonators acoustically communicating with said at least one through-flowed chamber. The silencer may also be designed so as to act as a spark-arrestor. Also, the invention relates to a combustion engine provided with such silencer.

The insert for an engine exhaust system has at least one conical section of flexible mesh or rovings of metallic or other high temperature resistant fiber or tape. Each section includes a rigid anchor or attachment ring having an outer diameter closely conforming to the inner diameter of the exhaust pipe, with the anchor ring being welded to the mesh or roving or tape material or the mesh or roving or tape being crimped between two concentric rings. A smaller diameter support ring may be provided at the opposite end of the conical mesh, with the support ring braced by a series of radial arms. The device may serve to reduce the sound output of the exhaust system, and / or may serve as a spark arrestor as well.

A spark arresting incinerator apparatus for burning combustible solid materials without the release of hot embers or ash capable of igniting materials outside the incinerator includes a firebox to contain the combustion, a grate disposed across the bottom of the firebox to support materials to be burned, an ash box disposed below the firebox and grate and connected to the firebox, the ash box having at least one screened and shielded combustion air inlet, a generally pyramidal cupola disposed above and connected to the firebox, and a chimney disposed above and connected to the cupola for the exit of combustion gases from the incinerator. The chimney includes a plurality of baffle plates each extending partially across the interior of the chimney, with the baffle plates disposed in staggered offset relation to each other, and also preferably includes a spark arrestor connected to the top of the chimney.

The insert for an engine exhaust system has at least one conical section of flexible mesh or rovings of metallic or other high temperature resistant fiber or tape. Each section includes a rigid anchor or attachment ring having an outer diameter closely conforming to the inner diameter of the exhaust pipe, with the anchor ring being welded to the mesh or roving or tape material or the mesh or roving or tape being crimped between two concentric rings. A smaller diameter support ring may be provided at the opposite end of the conical mesh, with the support ring braced by a series of radial arms. The device may serve to reduce the sound output of the exhaust system, and / or may serve as a spark arrestor as well.

An air cleaning system (10) is disclosed comprising a fire protection system. The fire protection system comprises at least one of (i) a spark arrestor (21), (ii) a particle feeder (31), (iii) a fire detection system; and (iv) a fire extinguishing system. A preferred spark arrestor comprises a particle pre-separator (22). A preferred particle pre-separator has a core-and-vane assembly that prevents air traveling through the particle pre-separator from traveling in a straight line.

A motorcycle includes a spark arrester having an increased surface area without any undue increase in the length of a silencer or the width of the motorcycle. The motorcycle includes a rear wheel and a silencer provided on a side of the rear wheel. The silencer includes an outer tube and a spark arrester which is tubular and is disposed inside the outer tube, the longitudinal axis of the spark arrester being oriented in a longitudinal direction of the outer tube. In a sectional plane which is perpendicular or substantially perpendicular to the longitudinal direction of the outer tube and the spark arrester, the outer tube has an outside dimension in a height direction greater than an outside dimension of the outer tube in a lateral direction, and the spark arrester has an outside dimension in the height direction greater than an outside dimension of the spark arrester in the lateral direction.

The insert for an engine exhaust system has at least one conical section of flexible mesh of metallic or other high temperature resistant fiber. Each section includes a rigid anchor or attachment ring having an outer diameter closely conforming to the inner diameter of the exhaust pipe, with the anchor ring being welded to the mesh material or the mesh being crimped between two concentric rings. A smaller diameter support ring may be provided at the opposite end of the conical mesh, with the support ring braced by a series of radial arms. A coil spring may be placed within the mesh for additional support, and / or the outer surface of the mesh may be wrapped with a glass fiber batt for additional sound control if desired. The device may serve to reduce the sound output of the exhaust system, and / or may serve as a spark arrestor as well.

Provided is a modular fire pit system adaptable for use with a plurality of removable fire pit accessories. An exemplary embodiment of the modular fire pit system includes a modular ring for engaging a rim of a combustion bowl of a fire pit. The modular ring includes an annular portion for removably engaging the rim of the combustion bowl. The annular portion includes a central aperture, interior to a perimeter of the annular portion, for defining an opening to the combustion bowl. The annular portion also includes a lip portion protruding into the central aperture and defining a surface for interchangeably supporting one of the plurality of removable fire pit accessories. The removable fire pit accessories can include a snuffer lid, a grilling surface, a spark arrestor, or a wok.

A high-frequency and high-voltage pulse generator for sterilization relates to a pulse generator. A control circuit and a pulse generating circuit are provided; the control circuit is provided with a voltage comparator, a triode, a first NAND gate, a second NAND gate, a coupler, and a relay; the pulse generating circuit is provided with a relay normally open switch, MOSFET switching tube, first transformer, second transformer, diode, capacitor, spark arrestor. Based on the traditional high-frequency pulse device, a timer based on NE555 is designed, and DSP is used to digitally process the sterilization signal, so that the interference of the sterilization circuit is greatly reduced. Capacitor charging and discharging is used to obtain high-voltage pulses, so that the output pulse can reach 12-100kV / cm, and the width is controlled at the microsecond level, and the pulse front is controlled at the nanosecond level, which can effectively sterilize and will not change the food composition. ; It can be turned on and off in an instant and has a large flow capacity and reliable operation.

The invention discloses a spark collector with a water-cooling plate having functions of long service life and dust removal. The spark collector comprises an air inlet pipeline, an air outlet pipeline, a spark collection chamber, a water cooling plate, a support, an ash bin, an inspection manhole and an ash discharging valve, wherein the upper part of the spark collection chamber is respectively connected with the air inlet pipeline and the air outlet pipeline; the water cooling plate is mounted in the spark collection chamber; the support is arranged on the lower part of the spark collection chamber; the ash bin is also arranged on the support; the inspection manhole is formed in the side surface of the ash bin; the ash discharging valve is arranged at the bottom of the ash bin. According to the spark collector with the water-cooling plate having the functions of long service life and dust removal, coarse particle dust containing sparks is filtered and cooled by the water cooling plate, and can effectively collect the dust spark in flue gas produced by an industrial combustion system, so that the service life of a filter bag and a dust removal component can be prolonged.

The present invention relates to spark traps / arrestors that are unproved relative to those that currently exist. For example, the present invention relates to a spark arrestor / trap that comprises a plurality of features that allows sparks / embers to be more effectively extinguished. The spark trap / arrestor of the present invention has at least two of vanes, conical devices and u-turns that allows for sufficient oxygen and a tortured path that is sufficiently long so as to effectively extinguish sparks and / or embers that enter the system. Alternatively, the system relates to a spark arrestor that comprises all of vanes, conical devices and u-turns that allows for sufficient oxygen and a tortured path that is sufficiently long so as to effectively extinguish sparks and / or embers that enter the system. In one embodiment, the various parts of the spark arrestor can be separated allowing for easy cleaning of the system.

A solid fuel smoker oven having a cooking chamber and a heat source chamber separated by a vertical divider. The heat source chamber includes a gas fired firebox to burn solid fuel. The cooking chamber comprises air channels defined by perforated wall panels comprising calibrated orifices that vary in size from the top of the channel to the bottom to allow air flow and temperatures inside the cooking chamber to be balanced. A fan in the cooking chamber draws heat and smoke emissions from the firebox and directs them into the air channels and recycles the heated air and smoke through the heat source chamber, which limits heat and smoke escape and maximizes temperature stability inside the oven. The fan also functions as a spark arrestor.

A spark arrestor for processing metal workpieces includes an annular body having an upper end wall provided with a first opening and a lower end wall provided with a second opening. The annular body has a pair of generally aligned, circumferentially offset, downwardly open first recesses, each structured to be received over at least a portion of the metal workpiece. Each recess may have having a plurality of downwardly extending first shield elements. Lateral surfaces of the annular body disposed between the downwardly open first recesses have a pair of lateral second recesses which have a plurality of second shield elements extending downwardly therefrom. A torch receiving opening is provided in the annular body to facilitate insertion of the torch. The upper end wall first opening preferably has a grid structure to resist outward migration of sparks and flames from the interior of the spark arrestor.

An air cleaning system (10) is disclosed comprising a fire protection system. The fire protection system comprises at least one of (i) a spark arrestor (21), (ii) a particle feeder (31), (iii) a fire detection system; and (iv) a fire extinguishing system. A preferred spark arrestor comprises a particle pre-separator (22). A preferred particle pre-separator has a core-and-vane assembly that prevents air traveling through the particle pre-separator from traveling in a straight line.

A solid fuel smoker oven having a cooking chamber and a heat source chamber separated by a vertical divider. The heat source chamber includes a gas fired firebox to burn solid fuel. The cooking chamber comprises air channels defined by perforated wall panels comprising calibrated orifices that vary in size from the top of the channel to the bottom to allow air flow and temperatures inside the cooking chamber to be balanced. A fan in the cooking chamber draws heat and smoke emissions from the firebox and directs them into the air channels and recycles the heated air and smoke through the heat source chamber, which limits heat and smoke escape and maximizes temperature stability inside the oven. The fan also functions as a spark arrestor.

A centrifugal spark arrestor having a main body portion with a first end and a second end spaced from one another. The main body has an interior wall defining a flow path for the flow of air through the main body and a longitudinal axis. An inlet is positioned at the first end and extends generally perpendicular to the longitudinal axis. The inlet is in operative communication with the flow path. An outlet is positioned at the second end; the outlet is in operative communication with the flow path. At least one baffle is positioned within the main body portion between the first and second ends, partially extending into the flow path. Air is pulled into the inlet and forced initially in a direction perpendicular to the longitudinal axis and against the interior wall. The air is forced through the main body portion to the outlet in a centrifugal flow path. The baffle is engaged by the air flowing through the main body portion with any particles entrained within the air impinging upon the baffle.

A spark arrestor for processing railroad rails includes an annular body having an upper end wall provided with a first opening and a lower end wall provided with a second opening. The annular body has a pair of generally aligned, circumferentially offset, downwardly open recesses, each structured to be received over a portion of the railroad rail and each having a first plurality of downwardly extending shield elements, extending downwardly beyond the upper surface of the rail. Lateral surfaces of the annular body disposed between the downwardly open recesses have a plurality of second shield elements extending downwardly therefrom. A cutting torch or heating torch or welding torch receiving opening is provided in the annular body to facilitate insertion of the torch. The upper and lower end wall opening, each preferably having a grid structure to resist outward migration of sparks and flames from the interior of the spark arrestor.

A spark arrestor mounted on a muffler connected to an exhaust pipe of an engine includes a cylindrical portion including an opening that extends therethrough from the outside to the inside thereof, two cap members that respectively close first and second ends of the cylindrical portion, a mesh portion that covers the opening, and a tail pipe extending from the inside to the outside of the cylindrical portion through the cap member, wherein the exhaust flows outside the cylindrical portion in a first direction, and a channel where the exhaust flows in a second direction opposite to the first direction is provided inside the cylindrical portion.

The present invention relates to spark traps / arrestors that are unproved relative to those that currently exist. For example, the present invention relates to a spark arrestor / trap that comprises a plurality of features that allows sparks / embers to be more effectively extinguished. The spark trap / arrestor of the present invention has at least two of vanes, conical devices and u-turns that allows for sufficient oxygen and a tortured path that is sufficiently long so as to effectively extinguish sparks and / or embers that enter the system. Alternatively, the system relates to a spark arrestor that comprises all of vanes, conical devices and u-turns that allows for sufficient oxygen and a tortured path that is sufficiently long so as to effectively extinguish sparks and / or embers that enter the system. In one embodiment, the various pans of the spark arrestor can he separated allowing for easy cleaning of the system.

The invention discloses high-temperature resistant film-coated special bag dust collection equipment, which mainly comprises a furnace body, a spark arrestor, a main fan, a back suction fan, a three-way valve, a special film-coated bag dust collector, a collecting and filtering wind valve of a pipeline system of complete facilities, a film force pressure gauge, a temperature controller, a relief valve and an ash bin wall vibrator. The equipment can reduce energy consumption and improve dust removal rate and automation.

A spark arrestor mounted on a muffler connected to an exhaust pipe of an engine includes a cylindrical portion including an opening that extends therethrough from the outside to the inside thereof, two cap members that respectively close first and second ends of the cylindrical portion, a mesh portion that covers the opening, and a tail pipe extending from the inside to the outside of the cylindrical portion through the cap member, wherein the exhaust flows outside the cylindrical portion in a first direction, and a channel where the exhaust flows in a second direction opposite to the first direction is provided inside the cylindrical portion.

The invention discloses a switchable spiral-flow type exhaust gas spark arrester for an automotive vehicle, which relates to an engine exhaust gas processing device for extinguishing spark and combines spiral-flow centrifugal seperation trapping and filter screen barrier seperation trapping. A rotary type spiral-flow valve core and a diversion cover are assembled into an organic whole body of the spark arrestor, wherein the rotary type spiral-flow valve core is opened, an air current chamber is formed to discharge exhaust gas smoothly, and when the rotary type spiral-flow valve core is closed, a diversion chamber and a spiral-flow chamber are formed to carry out multistage composite seperation trapping extinguishment combining spiral-flow centrifugal seperation trapping and filter screen barrier seperation trapping on spark particles. The switchable spiral-flow type exhausting spark arrester is suitable for meeting two special requirements that after the spark arrester is arranged once for all, the valve core is opened when the spark arrester operates in a safety environment and the valve core is closed when the spark arrester operates in a flammable and explosive environment, thereby the complexly repeated dismantling is eliminated, and the transportation efficiency is improved.

The invention discloses a lightning protection device of pitch control system accessories. The lightning protection device is characterized by being formed by a power collector plate, a carbon fiber brush and a gasket pressing plate; a base plate of the carbon fiber brush plate is fixed in the middle of the front edge of the power collector plate through a screw in a stacked mode; the gasket pressing plate is fixed in the middle of the upper plate surface of the power collector plate through a bolt in a stacked mode. According to the lightning protection device of the pitch control system accessories, the lightning electric charge quantity can be effectively absorbed and released through a power collector claw, meanwhile the electric charge produced in the operation process of a pitch control system is released through a spark discharger, and accordingly the lightning stroke of an insulator, a lead and a fan circuit which are arranged in the pitch control system can be effectively prevented, the structure is simple, the maintenance is convenient, and the installation is easy.

A spark arrestor and dust arrestor for same are provided. In one embodiment, the spark arrestor includes a housing having an inlet and an outlet, wherein the outlet is positioned on a dust arrestor mounting side of the housing, and a turn baffle disposed in the housing in a position that creates a tortuous flow path through the housing between the inlet and the outlet. The tortuous flow path includes a low inertia channel formed in the housing having an orientation that directs particles passing through the low inertia channel through an upper portion of the outlet of the housing, and a high inertia channel formed in the housing, wherein a downstream portion of the high inertia channel has an orientation that directs particles passing through the high inertia channel through a lower portion of the outlet of the housing.

According to an aspect of the present invention, it is possible to easily support a spark arrester and prevent an occurrence of damage or sound in the spark arrester due to the effect of an exhaust pressure or external vibration. In a spark arrester, at least a flange part is formed of a spring member. The flange part includes a bent part that is telescopically bent by elastic deformation in a direction along a flow of exhaust gas. The bent part is supported between a tail pipe and a muffler in a state where the elastic deformation of the bent part is allowed.