JPH0191898U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a side view showing one embodiment of this invention, Fig. 2 is a plan view, Fig. 3 is an enlarged view of a partially broken nozzle part, and Fig. 4 is a longitudinal cross-sectional side view of the nozzle part shown in Fig. 3. Figure 5 is a diagram showing the movement of the arm and cart, Figure 6 is a diagram showing the movement of the nozzle and arm, Figures 7 and 8 are diagrams showing the movement of the arm, and Figure 9 is a diagram showing conventional human power. 10 is a plan view, FIG. 11 is a side view showing a conventional mechanical installation method, and FIG. 12 is a plan view. In the figure, 1 is a furnace, 101 is a side wall, 2 is an operating port, 3 is a work floor, 16 is a trolley, 20 is an arm, 2
5 is a spray nozzle. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Amendment 1999 1.1.19 The name of the invention is amended as follows. Title of the invention: Automatic spraying machine for the inner walls of electric furnaces, etc. The scope of the claims for utility model registration and the brief description of the drawings are amended as follows.

[Scope of Claim for Utility Model Registration] In electric furnaces, etc., which have an operating port on the side wall and a working floor in front of the furnace on the operating port side, a trolley that can move on the working floor, and a vehicle that can be raised or lowered by this trolley. Possible
and a hollow arm that is horizontally rotatably attached, an outer frame fixed to the tip of this arm, a furnace repair material supply pipe that is piped inside the arm and whose tip is bent downward within the outer frame , and this furnace. It is rotatably supported by the outer frame so as to rotatably cover the tip of the repair material supply pipe, and is rotatably operated by the cart, and the tip is rotated.
a bent pipe that protrudes from the outer frame and bends in a horizontal direction;
A spray nozzle connected to the tip of the curved pipe via a flexible tube and operated on the cart side so that the tip moves up and down; a water supply nozzle to supply, a fixed water supply ring fitted into the outer frame and connected to the water supply pipe in the arm, a rotating water supply ring that rotates integrally with the curved pipe and comes into contact with the fixed water supply ring; and a water supply pipe connecting the rotating side water supply ring and the water supply nozzle , and with the arm laid down horizontally, the trolley is moved to insert the spray nozzle into the furnace from the operation opening, and The pipe is rotated to horizontally turn the spray nozzle, and the spray nozzle is moved up and down to change the nozzle injection direction in the vertical direction, and the pipe is moved from the furnace repair material supply pipe to the curved pipe and the pipe. An automatic spraying machine for an inner wall of an electric furnace or the like, characterized in that water is mixed with the furnace repair material supplied to the spray nozzle through a flexible tube from the water supply nozzle near the tip of the curved tube.

[Brief Description of the Drawings] Figure 1 is a side view showing an embodiment of this invention, Figure 2 is a plan view, Figure 3 is an enlarged view of a partially broken nozzle portion, and Figure 4 is Figure 3. FIG. 5 is a diagram showing the movement of the arm and the truck, FIG. 6 is a diagram showing the movement of the nozzle and arm, and FIGS. 7 and 8 are diagrams showing the movement of the arm. be. In the figure, 1 is a furnace, 101 is a side wall, 2 is an operating port, 3 is a work floor, 6 is a trolley, 10 is an arm, 15
is a spray nozzle, 18 is a bent pipe, 21 is a flexible pipe, 22
2 is a furnace repair material supply pipe, 23 is a water supply nozzle, 24 is an outer frame, 25 is a fixed side water supply ring, 26 is a rotating side water supply ring, 2
7 and 28 indicate water supply pipes. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (1)

[Scope of Claim for Utility Model Registration] In electric furnaces, etc., which have an operating port on the side wall and a working floor in front of the furnace on the operating port side, a trolley that can move on the working floor, and a vehicle that can be raised or lowered by this trolley. A hollow arm that can be attached, a furnace repair material supply pipe that is piped inside this arm and whose tip is bent downward, and a furnace repair material supply pipe that is rotatably placed over the tip of the furnace repair material supply pipe and whose tip is bent horizontally. bent pipe,
A spray nozzle connected to the tip of the curved pipe via a flexible tube and operated so that the tip moves up and down, and a water supply nozzle provided near the tip of the curved pipe to supply water into the curved pipe. preparing, moving the trolley with the arm laid down horizontally, inserting the spray nozzle into the furnace from the operating port, rotating the bent pipe to horizontally rotate the spray nozzle, and at the same time The nozzle is moved up and down to change the nozzle injection direction in the vertical direction, and the furnace repair material is supplied from the furnace repair material supply pipe to the spray nozzle through the curved pipe and the flexible pipe. An automatic spraying machine for the inner wall of an electric furnace, etc., characterized by mixing water near the tip of a bent pipe.