The present disclosure relates to a soot blower including: a lance tube which includes one end that reciprocally moves in one direction on a surface of an inlet port of a flow path of the tubular heat exchanger; a drive unit which is connected to the lance tube and reciprocally moves and rotates the lance tube in the one direction; a first nozzle which is connected to the one end of the lance tube and discharges steam to the inlet port; and a second nozzle which is disposed adjacent to the first nozzle and connected to the one end of the lance tube and discharges solid particles to the inlet port, and the present disclosure relates to a method of cleaning a tubular heat exchanger by using the soot blower.

Provided is a substrate cleaning apparatus including: a cleaning bath configured to accommodate a substrate having a first surface and a second surface; a substrate support configured to support the substrate; first and second nozzle bars provided in the cleaning bath to be rotatable in a plane parallel with the substrate, each of the first and the second nozzle bars including a passage; a plurality of nozzles provided along a longitudinal direction of each of the first and the second nozzle bars and configured to spray the cleaning solution from the passage of each of the first and the second nozzle bars to the substrate; and first and second brushes, the first brush provided on a first side of the substrate and configured to clean the first surface and the second brush provided on a second side of the substrate and configured to clean the second surface of the substrate.

A device for moving a jet member (6) having a nozzle comprises a carriage (4) with a base portion (5) to which the jet member is connected. The carriage is movable in a substantially rectilinear first path along a guide member (3). The connection of the jet member to the base portion provides a movability of the jet member (6) with respect to the base portion (5) and by that said carriage comprising a movability of the jet member for moving an impact point of the jet in a second path perpendicularly to said first path. A control unit is controlling a driving arrangement to combine a movement of the carriage along the guide member (3) and a movement of the jet member with respect to the base portion of the carriage so as to make an impact point of the jet on a said layer to travel with a constant speed over the layer.

A pitch-yaw actuation system includes a pitch frame, a yaw frame, a pitch actuator, a yaw actuator, and a universal joint assembly. The pitch frame is pivotably coupled to a device frame via a pitch hinge. The yaw frame is pivotably coupled to the pitch frame via a yaw hinge. The pitch actuator pivots the pitch frame about a pitch axis. The yaw actuator pivots the yaw frame about a yaw axis oriented orthogonal to the pitch axis. The universal joint assembly couples the yaw actuator to the yaw frame, and includes a universal joint slidably coupled to a linear guide mechanism. The guide mechanism axis is oriented at an angle that allows the universal joint to move in a manner accommodating misalignment of the yaw actuator with the yaw frame during pivoting of at least one of the pitch frame and the yaw frame.

The present invention relates to a sterilized water spray device for sterilizing the inner wall of a toilet and a bidet seat having the same. A sterilized water spray device according to an embodiment of the present invention comprises: a housing into which sterilized water flows; a tubular nozzle part for spraying the sterilized water flowed into the housing, through nozzles disposed at one end of the nozzle part, to a toilet; and a driving part for rotating the nozzle part.

Device for spray coating embraces a wire arc spray head that includes arc-making contact points and a carrier gas outlet, which is configured to swivel with feed wire in a pivoting motion. The device can be operated to spray coat a work piece.

The agricultural sprayer includes a base with two vertical guides fixed thereon and carriages mounted on and capable of traveling along said guides. A ducted fan is turnably mounted on axles between the carriages. The inner surface of the fan duct is equipped with nozzles connected to a liquid container. One of the carriages consists of two parts: the first and the second one, with the second part capable of moving relative to the first one. The first and the second parts of said carriage have a duct-swinging crank-rocker mechanism mounted thereon. Said mechanism is configured for setting the inclination angle of the fan duct and adjusting its oscillation amplitude.

A device for moving a jet member (6) having a nozzle comprises a carriage (4) with a base portion (5) to which the jet member is connected. The carriage is movable in a substantially rectilinear first path along a guide member (3). The connection of the jet member to the base portion provides a movability of the jet member (6) with respect to the base portion (5) and by that said carriage comprising a movability of the jet member for moving an impact point of the jet in a second path perpendicularly to said first path. A control unit is controlling a driving arrangement to combine a movement of the carriage along the guide member (3) and a movement of the jet member with respect to the base portion of the carriage so as to make an impact point of the jet on a said layer to travel with a constant speed over the layer.

A cleaning apparatus includes a nozzle assembly and an arm supporting the nozzle assembly. In some embodiments, the arm includes a first rotatable arm member defining a first axis and a second rotatable arm member defining a second axis and connected to the first rotatable member. In certain examples, the first rotatable arm is rotatable about the first axis and the second rotatable arm is rotatable about the second axis. The cleaning apparatus also includes at least one sensor on the arm and configured to detect a position of the nozzle assembly based on rotation of the first rotatable arm or the second rotatable arm

Provided are washout devices for cleaning the interior of a frac tank. In embodiments, the devices may comprise (i) a wand comprising a first pipe and a second pipe; wherein the second pipe is positioned in parallel below the first pipe; wherein one or more trusses connect the first pipe and the second pipe; (ii) a support member in communication with a proximal end of the wand such that the wand is suspended above and at a desired angle relative to the ground; (iii) one or more washout nozzles disposed along the length of the first pipe. Embodiments may also include a system and a process for cleaning the interior of a frac tank.