JP5661271B2 - Seal structure between burner and furnace - Google Patents

Description

  The present invention relates to a seal structure between a burner and a furnace.

  Patent Document 1 discloses a burner device in which a gap between a burner and a furnace is sealed with a ground seal, and the burner is movable in the axial direction with respect to the furnace.

JP 9-178111 A

  However, in the seal structure between the burner and the furnace described in Patent Document 1, the angle of the burner cannot be changed. Therefore, not only the position of the burner with respect to the axial direction of the burner but also the adjustment of the angle of the burner is necessary. This sealing structure cannot be applied to a baking apparatus.

The present invention has been made to solve such problems, and an object thereof is to provide a seal structure between a burner and a furnace, in which the position of the burner and the vertical and horizontal angles can be adjusted. To do.

The seal structure between the burner and the furnace according to the present invention is such that the position of the burner and the angles in the vertical direction and the horizontal direction can be adjusted, the hole into which the burner is inserted, and a heat resistant heat insulating material that can be deformed. The seal-like heat insulating material is sandwiched between the furnace wall and the seal-like heat insulating material so that the opening and the hole formed in the furnace wall of the furnace communicate with each other. A pressure plate member attached to the furnace wall; and an angle adjustment mechanism for adjusting the angle of the burner; inserting the burner into the opening and the hole of the seal-like heat insulating material; When attached, a gap is formed between the outer peripheral surface of the burner and the pressing plate member, and the angle adjusting mechanism is connected to the burner outside the furnace, Opposite to the furnace The ligated into the burner, around the position where the hanging metal fitting is coupled and a pushing member for rotating the burner in the vertical and horizontal directions in.
The pushing member abuts against the burner vertically downward and pushes the burner vertically downward, and a pushing bolt abuts the burner vertically upward and pushes the burner vertically upward , in contact with the burner horizontal direction direction, the pushing bolt pushing the burner to one direction of the horizontal direction, in contact with the burner horizontal direction toward, in the direction opposite the burner to the one direction A push-in bolt for pushing.

According to this invention, the burner can be moved in the axial direction while sealing the space between the burner and the furnace by inserting the burner into the opening formed in the furnace wall and the hole in the seal-like heat insulating material. In addition, since the gap is formed between the outer peripheral surface of the burner and the pressing plate member, the angle of the burner in the vertical direction and the horizontal direction can be adjusted.

It is sectional drawing of the seal structure between the burner and furnace which concerns on embodiment of this invention. It is an expansion perspective view of the part A of FIG. It is sectional drawing which shows the state which changed the angle of the burner with respect to the axial direction of a burner in the seal structure between the burner and furnace which concerns on this embodiment.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
FIG. 1 shows a cross-sectional view of a seal structure between a burner and a furnace according to an embodiment of the present invention. A circular opening 3 that penetrates the furnace wall 2 is formed in the furnace wall 2 of the furnace 1 of the cement baking apparatus. On the outer wall surface 2 a of the furnace wall 2, a concentric and annular mounting member 4 that is concentric with the opening 3 is fixed. Inside the annular attachment member 4, a sealing heat insulating material 5 made of an annular ceramic fiber having a hole 6 is attached. The seal-like heat insulating material 5 is fixed to the mounting member 4 by the screw member 9 so that the seal-like heat insulating material 5 is sandwiched between the outer wall surface 2a and the metal presser plate member 8. The hole 6 is attached to the furnace wall 2 concentrically with the opening 3.

  The burner 7 is attached to the furnace 1 in a state of being inserted into the hole 6 and the opening 3 of the seal-like heat insulating material 5. The seal-like heat insulating material 5 is in close contact with the outer peripheral surface 7 a of the burner 7, thereby sealing between the furnace 1 and the burner 7. A gap 10 is formed between the pressing plate member 8 and the outer peripheral surface 7 a of the burner 7.

  In addition, an angle adjustment mechanism 11 that adjusts the angle of the burner 7 is provided outside the furnace 1. The angle adjustment mechanism 11 includes two rail members 12 fixed so as to extend in the horizontal direction, one end connected to the rail member 12 movably along the rail member 12, and the other end connected to the burner 7. It is comprised from the hanging tools 13 and 14. A suspension 13 connected to the burner 7 at a position closer to the furnace 1 than the end 7 b of the burner 7 on the outside of the furnace 1 is connected to the burner 7 via a suspension fitting 15. Here, when the burner 7 is rotated by a mechanism which will be described later, the burner 7 rotates around the hanging bracket 15, so the position of the hanging bracket 15 is defined as the rotation center position. The lifting tool 14 connected to the burner 7 in the vicinity of the end 7b is connected to the burner 7 by four push bolts 16 to 19 as shown in FIG. A rectangular annular frame 14a into which the end 7b side of the burner 7 can be inserted is provided at the lower end of the lifting tool 14, and the push-in bolt 16 is directed vertically downward from the outside to the inside of the frame 14a. The pushing bolt 17 is in contact with the outer peripheral surface 7a of the burner 7, and the push-in bolt 17 is in contact with the outer peripheral surface 7a of the burner 7 from the outside to the inside in the vertical direction. Further, the push bolt 18 abuts on the outer peripheral surface 7a of the burner 7 in the horizontal direction from the outside to the inside of the frame 14a, and the push bolt 19 is horizontal in the direction opposite to the push bolt 18 from the outside to the inside of the frame 14a. It is in contact with the outer peripheral surface 7a of the burner 7 in the direction.

  As shown in FIG. 1, the longitudinal axis of the burner 7 when the burner 7 is in the horizontal state is L, and the longitudinal axis of the burner 7 when the burner 7 is tilted from the horizontal state by a mechanism described later is L ′. To do. Further, when the burner 7 is pushed into the furnace 1 as much as possible, the length from the hanging bracket 15 at the rotation center position to the pressing plate member 8 is a, and the longitudinal axis L and the longitudinal axis L ′ form. The maximum value of the angle, that is, the maximum variable angle of the burner 7 is defined as θ. However, as will be described later, the burner 7 can be rotated in the vertical direction and the horizontal direction around the hanging bracket 15, but the angle θ does not consider the inclination direction of the longitudinal axis L ′ with respect to the longitudinal axis L. It represents an acute angle. Then, the size of the gap 10, that is, the distance from the tip end portion 8 a of the pressing plate member 8 to the outer peripheral surface 7 a of the burner 7 is approximately a × sin θ.

  When the burner 7 is attached to the furnace 1, the burner 7 is inserted into the hole 6 and the opening 3 of the sealing heat insulating material 5 and the burner 7 is pushed into the furnace 1, but the burner 7 is pushed too much into the furnace 1. In such a case, the position of the burner 7 in the axial direction is adjusted by pulling the burner 7 in the reverse direction. When the burner 7 is moved in the axial direction, the hanging tools 13 and 14 are moved along the rail member 12, respectively.

  As shown in FIG. 3, the sealing heat insulating material 5 is made of ceramic fiber and can be deformed, and a gap 10 is provided between the tip end portion 8 a of the pressing plate member 8 and the outer peripheral surface 7 a of the burner 7. As a result, the burner 7 can be rotated in the vertical and horizontal directions around the hanging bracket 15 without being restrained by the pressing plate member 8. That is, the burner 7 can adjust the angle without changing its position in the axial direction. In addition, adjustment of the angle of the burner 7 is performed by the four pushing bolts 16-19 as FIG. 2 shows. For example, when the push bolt 17 is screwed toward the outer peripheral surface 7a of the burner 7 while the push bolt 16 is loosened, the bolt 17 pushes the end portion 7c side of the burner 7 on the furnace 1 side upward in the vertical direction. The burner 7 rotates so that the end portion 7c side moves upward in the vertical direction and the opposite end portion 7c side moves downward in the vertical direction around the metal fitting 15, that is, in the vertical direction. Thereby, the angle of the burner 7 is changed. On the contrary, when the angle of the burner 7 is changed so that the end 7c side moves upward in the vertical direction, the push bolt 16 is moved toward the outer peripheral surface 7a of the burner 7 while loosening the push bolt 17. Just screw in. Further, when one of the push bolts 18 and 19 is loosened and the other is screwed toward the outer peripheral surface 7a of the burner 7, the burner 7 rotates in the horizontal direction around the hanging bracket 15, so the angle of the burner 7 with respect to the horizontal direction. Can be changed.

  Thus, by inserting the burner 7 into the opening 3 formed in the furnace wall 2 and the hole 6 of the seal-like heat insulating material 5, the burner 7 is axially sealed while sealing between the burner 7 and the furnace 1. The position of the burner 7 can be adjusted, and the gap 10 is formed between the outer peripheral surface 7a of the burner 7 and the tip end portion 8a of the pressing plate member 8, so that the burner 7 The angle can be adjusted.

  In this embodiment, the sealing heat insulating material 5 is made of ceramic fiber, but is not limited to this. Any heat-resistant heat-insulating material that can be deformed may be used, such as rock wool or glass wool.

  The presser plate member 8 used in this embodiment is not limited to the form shown in FIGS. 1 and 3, and a seal-like heat insulating material 5 is sandwiched between the outer wall surface 2 a of the furnace wall 2 and sealed. Any shape and material may be used as long as the heat insulating material 5 can be attached to the furnace wall 2. Furthermore, although the pressing plate member 8 is fixed by the screw member 9, the pressing plate member 8 may be fixed by any known means without being limited to this form.

  In this embodiment, the seal structure between the burner 7 and the furnace 1 when attaching the burner 7 to the furnace 1 of the cement firing apparatus has been described as an example, but the present invention is not limited to the furnace of the cement firing apparatus. As long as the position and angle of the burner need to be adjusted, the seal structure of the present invention can be applied to any furnace.

  DESCRIPTION OF SYMBOLS 1 Furnace, 2 Furnace wall, 3 Opening part, 5 Seal-like heat insulating material, 6 holes, 7 Burner, 7a (outside of burner), 7b, 7c (outside of burner), 8 holding plate member, 10 clearance.

Claims (2)

A seal structure between the burner and the furnace, in which the position of the burner and the vertical and horizontal angles are adjustable ,
A seal-like heat insulating material having a hole into which the burner is inserted and made of a heat-resistant heat insulating material that can be deformed;
A pressing plate for attaching the sealing heat insulating material to the furnace wall by sandwiching the sealing heat insulating material between the opening and the hole formed in the furnace wall of the furnace so as to communicate with the furnace wall Members,
An angle adjustment mechanism for adjusting the angle of the burner,
When the burner is inserted into the opening and the hole of the seal-like heat insulating material and the burner is attached to the furnace, a gap is formed between the outer peripheral surface of the burner and the pressing plate member,
The angle adjustment mechanism is
A suspension fitting connected to the burner outside the furnace;
A seal structure comprising: a pushing member that is connected to the burner on a side opposite to the furnace with respect to the hanging fitting, and that pushes the burner in a vertical direction and a horizontal direction around a position where the hanging fitting is connected. . The pushing member is
A pushing bolt that abuts the burner vertically downward and pushes the burner vertically downward;
A pushing bolt that abuts the burner vertically upward and pushes the burner vertically upward;
In contact with the burner horizontal direction direction, the pushing bolt pushing the burner in the horizontal direction one orientation,
The contact with the burner horizontal direction direction, and a pushing bolt pushing in a direction opposite the burner to the one direction, the sealing structure according to claim 1.

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