JPS5836272B2 - Sealed structure on the side of the furnace lid - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a furnace cover with a band-shaped spring plate attached to the furnace lid in an airtight manner and slidable in a direction approaching the furnace cover, and a free end side of the spring plate A plurality of suppressors are mounted to be able to slide integrally with the spring plate, and to change the mounting positions of the spring plate and the bullets in a direction closer to the reactor. The present invention relates to a furnace lid side sealing structure configured to attach the spring plate and press the free end of the spring plate or the seal portion attached thereto to the furnace lid.

The above-mentioned furnace cover side sealing structure allows even if there are irregularities on the furnace surface, due to the deformation of the spring plate and the urging force of the spring plate and the bullet,
The free end of the spring plate or the sealing member can be firmly and firmly attached to the core over its entire length,
In addition, when pushing the spring plate forward in order to eliminate seal failures caused by furnace lid distortion, etc., the bullet is moved integrally with the spring plate, making it possible to maintain a constant biasing force on the spring plate by the bullet. .

However, in the conventional type, one pressing tool is provided for each bullet, and on the other hand,
The suppression action axis of the suppressor was displaced or inclined in the longitudinal direction of the spring plate with respect to the biasing action axis of the bullet, either intentionally or due to a manufacturing error.As the spring plate was pushed forward, the bullet As a result, there was a problem in that the free end of the spring plate or the sealing member could not be tightly attached to the furnace with the desired strength.

In view of the above-mentioned circumstances, an object of the present invention is to ensure that the biasing direction of the bullet is maintained in a desired direction when pushing the spring forward with a suppressor, and to obtain a good sealing function. do.

Next, embodiments of the present invention will be described based on illustrative drawings.

As shown in FIG. 1, the furnace lid 2K and the upper and lower pairs of bolts 3, 3 are rotatably attached to the coke removal opening of the coke oven 1 via a support shaft 4, and the bolts 3, 3 are each A furnace frame 5 made of a steel plate attached around the entire opening is engaged with an upright hook-shaped metal fitting 6, so that the furnace cover 2 is press-fixed to the furnace frame 5 and detachably attached.

In order to prevent gas leakage during operation, a furnace lid sealing structure is provided as shown in FIGS. 2 to 8.

In other words, on the two long sides of the furnace lid,
As shown in the figure, at multiple locations on the side of the furnace lid 2,
The strip-shaped sliding plate I and the pressing tool 8 are fastened together using bolts 9 and nuts 10, and one end in the width direction of the spring plate 11, which extends over the entire length of the side surface of the furnace cover, is attached to the strip-shaped sliding plate 7 and the pressing tool 8. In addition, a steel sheet sealing member 12 is attached to the free end of the spring plate 11 and extends over the entire length of the side surface of the furnace lid, and furthermore, A spring case 15 screwed onto each arm 14 extending from a member 13 connecting the two suppressors 8, 8 is provided, and a spring case 15 is held in the case 15 so as to be freely retractable. A bullet 17 made of a compression coil spring that presses the free end side of the spring plate 11 in the direction toward the furnace frame 5 via the spring plate 16 is housed in the case 15, whereby the spring plate 11 and the bullet 17 are The sealing member 12 is pressed against the furnace frame 5 over its entire length by a biasing force.

The insertion notch 7a and the insertion hole 8a of the belt-shaped sliding plate 7 and the pressing tool 8 for the bolt 9 are formed into long notches and elongated holes, and an engagement stage that acts on the belt-shaped sliding plate 7 to press it. The portion 8b is provided on the pressing tool 8, and both pressing tools 8
, 8 and slide the strip-shaped sliding plate 7 along the side surface of the furnace lid.
The projector 17 is constructed so that it can be slid integrally in the direction of approaching the bomb.

In other words, insufficient biasing force or tightening of the spring plate 11 and the bullet 17,
When the sealing member 12 is not properly pressed against the furnace frame 5 due to furnace lid distortion caused by thermal deformation, the valley presser 8...
... by applying a blow to the head of the furnace cover of the spring plate 11, while preventing the occurrence of troubles that would occur when directly sliding the spring plate 11 onto another object such as the furnace cover 2. 2V
By changing the mounting position for c, the above-mentioned poor press contact is solved.

In addition, as the attachment position of the spring plate 11 to the oven lid 2 changes, the attachment position of the ammunition 17 to the oven lid 2 also changes, so that the attachment position of the ammunition 17 to the sealing member 12 set by the urging force adjustment screw 18 changes. The biasing force can be maintained constant.

Further, by connecting the spring case 15 and both pressing tools 8, 8, that is, the bullet 17 and both pressing tools 8, 8, the arrangement interval and relative posture thereof are made constant.

As shown in FIGS. 2 and 3, the ammunition 17...
- Both suppressing tools 8, 8 connected to each other are arranged near both sides of the ammunition 17, and adjust the impact force applied to both pressing tools 8, 8 when pushing the spring plate 11 forward. As a result, the operating axis P of the ammunition 170 can be maintained substantially perpendicular to the seal member 12, and even if it is tilted, it can be adjusted to return to the above-mentioned attitude.

Then, on the two short side sides of the furnace cover,
As shown in the figure, there are 1 bolts on the side of the furnace lid as well as on the long side.
9 and Natsu} 20K, the band-shaped sliding plate 2 is attached to the furnace cover in such a manner that it can be slid together and in a co-tight state and can be slid together.
1 and a plurality of pressing tools 22...,
A sealing member 23 made of a steel plate that extends over the entire length of the side surface of the furnace lid is interposed and held between the strip-shaped sliding plate 21 and the suppressor 220, thereby being attached to the furnace lid 2 in an airtight manner.

With this, a blow is applied to the head of the valley pressing tool 22, and the sealing member 23 is pressed against the band-shaped sliding plate 21 and the pressing tool 8.
It is made to slide integrally with the furnace frame 5 and come into pressure contact with the furnace frame 5.

9 to 12 show another embodiment of the mounting configuration of the two pressing tools 8, 8 disposed near both sides of the ammunition 170, and in the one shown in FIGS. 9 and 10, One pressing tool 8
is connected to the ammunition 17, and the arrangement interval and relative attitude of the pressing tool 8 to the ammunition IT can be made constant, and the other pressing tool 8 is constructed separately, and the general furnace The spacing between the two suppressors 8, 8 can be changed as necessary, such as matching the spacing between the bolts 9 of the lid 2.

In the case shown in FIG. 11 and FIG. 12, both the pressing tools 8 and 8 are arranged on the ammunition 1 in order to change the arrangement interval.
It has a separate configuration from the pressing tool 8 and the ammunition 1 while achieving the same purpose as shown in FIGS. 9 and 10.
7 can be set equally on both suppressor sides.

9 to 12, the pushing of the ammunition 17 by the suppressor 8, which is a separate structure, is carried out by the belt-shaped sliding plate 7.
This is done via the spring plate 11.

Further, bolts 19 in FIGS. 9 to 11 are for attaching the ammunition 17 to the strip-shaped sliding plate T.

The plate body 24 shown in FIGS. 2, 4, 8, 9, and 11 and interposed between the suppressor 8 and the nut 90
is Watsusha.

Further, the elastic device 17 can be changed to a compression coil spring, various elastic bodies such as rubber, or various urging mechanisms such as a hydraulic mechanism.

Further, the closed structure on the long side may be adopted on the short side.

In summary, the present invention is characterized in that, in the above-mentioned furnace lid side sealing structure, the suppressors 8, 8 are disposed near both sides of each of the ammunition 17.

That is, by operating the pressing tools 8 that act near both sides of the ammunition 17 alternately or simultaneously, it is possible to easily and reliably push the spring plate 11 while maintaining the desired orientation of the ammunition. A good suppressing effect of the ammunition 17 is always obtained, and the lid can be reliably sealed.

[Brief explanation of the drawing]

The drawings illustrate embodiments of the lid side sealing structure according to the present invention; FIG. 1 is a front view of a coke collection portion in a coke oven, FIG. 2 is a front view of the sealing structure on the long side, and FIG. 3
The figure is a plan view of the same, Figure 4 is a cross-sectional view taken along line IV-IV in Figure 2, Figure 5 is a cross-sectional view of The figure is a front view of the same, FIG. 8 is a cross-sectional view of FIG. , FIG. 10 is a sectional view taken along line XX in FIG. 9, and FIG. 12 is a plan view thereof. 2... Furnace cover, 5... Furnace frame, 8...
... Pressing tool, 11 ... Spring plate, 12 ...
・Seal member, 17... Bullet machine.

Claims (1)

[Scope of Claims] 1. A belt-shaped spring plate 11 is attached to the furnace lid 2K in an airtight manner so as to be able to slide in the approaching direction with respect to the furnace frame 5, and the free end side of the spring plate 11 is attached to the furnace lid 2K in an airtight manner. A plurality of bullets 17 for pressing in a direction approaching the frame 5 are attached to be able to slide integrally with the spring plate 11, and the spring plate 1
1 and a plurality of pressing tools 8 for changing the mounting position of the bomb 17 in the direction closer to the furnace frame 5K, the free end of the spring plate 11 or the sealing member 12 attached thereto is attached to the The furnace lid has a sealed structure on the side surface of the furnace lid configured to press against the furnace frame 5, and is characterized in that the pressing tools 8, 8 are arranged near both sides of each of the bullets 17. Side-closed structure. 2 The ammunition 17 and the two suppressors 8, 8 near both sides thereof
The structure according to claim 1, characterized in that the two are connected to each other. 3 Pressing tools 8 near both sides of the ammunition 17K,
8. The structure according to claim 1, wherein one of the two parts is connected and the other part is constructed separately. 4. The structure according to claim 1, wherein the two suppressors 8, 8 near both sides of the ammunition 17Vc are constructed separately.