JPH0647002Y2 - Coke oven kiln mouth bottom end cleaner - Google Patents

Description

[Detailed Description of the Invention] Field of Industrial Application The present invention relates to the coke remaining in the vicinity of the bottom end of the furnace in the kiln where the coke in the coke furnace is extruded by an extruder.
Alternatively, the present invention relates to a furnace bottom end cleaner of a coke oven used to remove adhered carbon for cleaning.

2. Description of the Related Art A typical prior art is shown in Japanese Utility Model Laid-Open No. 59-178344. In this prior art, a downward pressing device is provided in the elevator frame, an opening / closing arm that is angularly displaceable around a horizontal axis extending in the forward / backward direction is provided in the lower part of the downward pressing device, and a expandable / contractible furnace is provided under the opening / closing arm. The bottom and the furnace wall scraper are provided and configured.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In such a prior art, the scraper is fixedly attached to the downward pressing device. Therefore, if the scraper is provided to the existing pressing device, the configuration becomes large, and There was a problem that the existing pressing device had to be modified.

The purpose of the present invention is to make the configuration complicated and large,
Even if the furnace width changes, the coke remaining in the vicinity of the bottom edge of the furnace or the carbon adhering to it can be reliably removed according to the width of the furnace. To provide a cleaner.

Means for Solving the Problems The present invention includes a support member attached to a furnace bottom scraping member extending in the furnace width direction and protruding downward, an elevating member provided on the supporting member so as to be vertically displaceable, and an elevating member. A spring that urges the spring downward, and an elevating member that is angularly displaceable around an axis that is perpendicular to the furnace width direction.The lower end of the scraping member in the natural state projects below the lower end of the scraping member. The coke oven includes a scraping assisting member that is angularly displaced against the spring force of the spring by being pressed, and the lower end portion thereof projects at least laterally than the scraping member. It is a furnace bottom end cleaner of the kiln.

Operation According to the present invention, the supporting member is provided with the elevating member urged downward by the spring, and the elevating member is provided with the scraping assisting member. The lower end of the scraping assisting member projects downward from the lower end of the scraping member in the natural state, and therefore, when the supporting member is displaced in the direction of approaching the furnace bottom, the lower end of the scraping assisting member moves to the furnace. It abuts on the bottom, whereby the lower end thereof is pushed upward, and the scraping assisting member projects laterally of the scraping member while being angularly displaced. By moving the support member toward the end of the kiln in this state, even if the furnace width changes, the bottom end of the scraping assisting member is located on the furnace width direction side of the scraping member. It can be moved along the edge and it is possible to remove, for example, coke or carbon adhering near the edge.

Embodiment FIG. 1 is a sectional view of a cleaner 1 according to an embodiment of the present invention, FIG. 2 is a side view of the cleaner 1, FIG. 3 is a plan view of the cleaner 1, and FIG. 4 is a cleaner. 1 is a bottom view of FIG. 1, and FIG. 5 is an exploded perspective view of the cleaner 1. The coke oven furnace bottom end cleaner 1 is attached to a furnace bottom scraping member 3 that extends in the furnace width direction and projects downward.
And an elevating member 4 provided on the supporting member 2 so as to be vertically displaceable
And compression coil springs 5a and 5b which are springs for urging the elevating member 4 downward, and are provided on the elevating member 4 so as to be angularly displaceable around an axis perpendicular to the furnace width direction (left and right direction in FIG. 1). ,
The lower ends 6a, 6b are in a natural state, that is, the lower ends 6a, 6b are the bottom 11
The scraping member 3 is in a state of abutting against and not being pressed upward.
Scraping assisting members 8a, 8 protruding below the lower end portion 7 of the
Including b and. The power is transmitted to the support member 2 through a drive member 9 by a drive mechanism provided in association with the scraping device main body (not shown), and the support member 2 is vertically moved in the directions A1 and A2, and the arrow 1 , B2 direction.

In such a cleaner 1, since the scraping assisting members 8a, 8b are pressed against the spring forces of the compression coil springs 5a, 5b and the lower end portions 6a, 6b are pressed and angularly displaced, the lower end portion 6a thereof is formed. Since 6 and 6b are configured to project to the side of the scraping member 3, even if the furnace width changes, coke remaining or adhering near the end of the furnace bottom 11 of the kiln mouth of the coke oven 10 It is configured so that it can be cleaned by removing carbon and the like. Further, the drive unit 9 is driven by transmitting its power from a drive source of an apparatus called a so-called jam cleaner for removing coal tar adhering to the end of the coal chamber through a transmission mechanism (not shown). To be done.

The support member 2 includes a front plate 15, a rear plate 16 arranged in parallel with the front plate 15, and an upper plate 17 fixed to each upper end of the front plate 15 and the rear plate 16 by welding or the like. The front plate 15 and the rear plate 16 each have a bottom plate 18 fixed to the lower ends thereof by welding or the like.

Such a support member 2 is fixed to a bracket 19 fixed to the drive member 9 by bolts 20 and nuts 21. The scraping member 3 is interposed between the rear plate 16 and the bracket 19. The bolt 20 is inserted through the rear plate 16, the scraping member 3 and the bracket 19 in this order, and the nut 20 is inserted.
21 is screwed on. Therefore, the scraping member 3 is sandwiched by the rear plate 16 and the bracket 19. When replacing such scraping member 3, loosen the nut 21 and
By removing 20 the scraping member 3 can be easily removed and replaced with a new scraping member.

An elevating member 4 is arranged in the support member 2. The elevating member 4 has a pair of long side plates 22 and 23, an upper plate 24 fixed to the upper ends of the side plates 22 and 23, and a bottom plate 25 fixed to the lower ends of the side plates 22 and 23. The side plate 23 has a spring receiving piece 26a,
26b is erected. The upper plate 24 is formed with screw holes 28a and 28b into which guide rods 27a and 27b are screwed, respectively. Also,
Shaft holes 30a, 30b; 31a, 31b, through which the shaft rods 29a, 29b are inserted, are formed at both ends in the longitudinal direction of the side plates 22, 23, respectively.

Such a lifting member 4 includes a pair of scraping assisting members 8
a and 8b are attached. Shaft assisting members 8a and 8b are respectively formed with shaft holes 32a and 32b through which the shaft rods 29a and 29b are inserted. The shaft rod 29a is inserted through the shaft holes 30a, 32a, 31a, and thus the scraping assisting member 8a is attached to the elevating member 4 so as to be angularly displaceable around the axis of the shaft rod 29a. Further, the shaft rod 29b has a shaft hole 30.
b, 32b, 31b respectively, and thus scraping assisting member 8
b is attached to the lifting member 4 so as to be angularly displaceable around the axis of the shaft rod 29b.

The scraping assisting member 8a attached to the lifting member 4 in this way
Has a base portion 33a in which the shaft hole 32a is formed, a scraping portion 34a connected to the base portion 33a, and a spring receiving portion 35a formed in the base portion 33a on the opposite side of the scraping portion 34a with respect to the base portion 33a.
The scraping portion 34a has a projection 3 formed by projecting from the lower surface thereof.
With 6a. In addition, the spring receiving portion 35a has a spring locking piece 3
7a is fixed. One end of the tension coil spring 38a is locked to the locking piece 37a, and the other end of the tension coil spring 38a is locked to the bent free end of the spring receiving piece 26a.
By such a tension coil spring 38a, the scraping assisting member 8a is spring-biased in the arrow C1 direction around the axis of the shaft rod 29a. The scraping assisting member 8b has a configuration similar to that of the scraping assisting member 8a described above, and the corresponding portion is denoted by the subscript b and its description is omitted.

The lifting member 4 to which the scraping assisting members 8a and 8b are attached is attached to the support member 2. With the guide rods 27a and 27b inserted into the compression coil springs 5a and 5b, the upper ends of the guide rods 27a and 27b are inserted into long holes 40a and 40b formed in the upper plate 17 of the support member 2, respectively. , Washers 41a, 41b
The pair of nuts 42a and 42b are screwed together via. On the surface of the upper plate 17 facing the bottom plate 18, compression coil springs 5a, 5b
Right cylindrical guide cylinders 43a, 43b into which the upper ends of are fitted are fixed by welding or the like so as to surround the elongated holes 40a, 40b. The upper ends of the compression coil springs 5a and 5b are connected to the guide tubes 43a and 4b.
The lower surface of the upper plate 17 elastically contacts the lower surface of the upper plate 17 without lateral displacement due to 3b. The lower ends of the guide rods 27a and 27b have screw holes 28a and 28b formed in the upper plate 24 of the elevating member 4.
The nuts 44a and 44b for preventing the loosening are screwed to each other. The lifting member 4 attached to the support member 2 in this way
Is urged downward by compression coil springs 5a and 5b.

FIG. 6 is a cross-sectional view for explaining the scraping operation of the cleaner 1. First, as shown in FIG. 6 (1), the kiln of the coke oven 10 is in a state where the lower end portions 6a and 6b of the scraping assisting members 8a and 8b project from the lower end portion 7 of the scraping member 3 in a natural state. Cleaner 1 is inserted from the mouth. In this state, the lower ends 6a, 6b are separated from the furnace bottom 11 by a predetermined distance 1. With the scraping assisting members 8a and 8b protruding downward from the scraping member 3, the cleaner 1 is inserted from the kiln opening side, the driving member 9 advances in the direction of arrow B1, and the coke oven 10
The coke oven 10 is smoothly moved to the inner side without contacting the inner surface of the coke oven 10. In such a state that the lower end portions 6a, 6b of the scraping assisting members 8a, 8b are projected downward from the lower end portion 7 of the scraping member 3, the scraping assisting members 8a, 8b have the spring receiving portion 35.
The lower ends of the stoppers 45a and 45b screwed to the upper plate 24 are in contact with the upper surfaces of the a and 35b, and the tension coil spring 38
It is spring-biased in the direction of arrow C1 by a and 38b.

When the cleaner 1 descends in the arrow A2 direction in such a state, the lower end portions 6a and 6b of the scraping assisting members 8a and 8b come into contact with the furnace bottom 11 and are pushed upward. As the cleaner 1 descends in the arrow A2 direction, the scraping assisting members 8a, 8b resist the spring force of the tension coil springs 38a, 38b, as shown in FIG. 6 (2), in the arrow C2 direction. Be expanded to. In this state, when the driving member 9 is moved in the arrow B2 direction, the bottom 11
The coke remaining in the vicinity of the furnace bottom 11 or the adhering carbon is scraped off over the width W.

At the time of such a scraping operation, even if the furnace width W becomes wider near the end of the kiln mouth, the lower end 7 of the scraping member 3 is removed.
Scraping auxiliary members 8a, 8b
Is angularly displaced in the direction of arrow C1 around each axis of the shaft rods 29a, 29b, and the lifting member 4 is pushed up against the spring force of the compression coil springs 5a, 5b, whereby the furnace wall 12a , 12b wall 13
A scraping assisting member 8a, 8b is provided on the even part where a and 13b intersect with the furnace bottom 11.
The scraping operation can be performed with the lower end portions 6a, 6b of the blades elastically pressed. The maximum width of the scraping assisting members 8a and 8b in the expanded state is not less than the furnace width W and is slightly larger than the width of the scraping member 3 in the range between the furnace width W1 and the furnace width W. Even if the furnace width changes, it is possible to scrape it sufficiently over the entire width.

7 is a sectional view of a cleaner 101 according to another embodiment of the present invention, FIG. 8 is a side view of the cleaner 101, FIG. 9 is a plan view of the cleaner 101, and FIG. 10 is a cleaner 101. FIG. 11 is a bottom view of FIG. 11, and FIG. 11 is an exploded perspective view of the cleaner 101. In the above-described embodiment, the guide rods 27a and 27b are fixed to the elevating member 4, and the guide rods 27a and 27b are guided through the long holes 40a and 40b formed in the upper plate 17, respectively. Although the vertical displacement of the elevating member 4 is guided, the guide rods 27a and 27b are not provided in this embodiment.

That is, the bottom plate 125 has a wedge-shaped guide protrusion 200.
Is fixed by welding or the like. This guide protrusion 200 is
A pair of upper plates 124 that are provided above the bottom plate 125 with a space therebetween.
Insert between a and 124b. These upper plates 124a, 124b have guide tubes 20 facing the guide tubes 143a, 143b fixed to the upper plate 117.
1a and 201b are fixed by welding or the like. The guide cylinders 143a, 201a; 143b, 201b are fitted and held by the respective ends of the compression coil springs 105a, 105b. A bottle insertion hole is formed in the upper plate 117 to which the guide cylinders 143a and 143b are fixed, and the bottle 202 is inserted into this bottle insertion hole,
The front plate 115 and the rear plate 116 are screwed into screw holes formed in the connecting pieces 202a and 202b. Thereby, the upper plate 117 is fixed to the support member 102.

Further, in the scraping assisting member 108a, the notch 204a is formed in the scraping portion 134a, and the scraping piece 205a is fitted into the notch 204a,
The 206a is inserted and the lock bolt 207a prevents the pin 206a from coming off. By providing the scraping piece 205a in this way, it is possible to easily replace only the scraping piece 205a when the lower end portion 106a is worn due to long-term use. Thus, the scraping assisting member 108a to which the scraping piece 205a is attached is
The shaft rod 129a is attached to the elevating member 104 so as to be angularly displaceable around the axis of the shaft rod 129a. The other scraping assisting member 108b also has the same structure as the scraping assisting member 108a.

The scraping assisting members 108a and 108b are attached to the elevating member 104, and the elevating member 104 is attached to the supporting member 102. The supporting member to which the lifting member 104 is attached is the front plate 210.
With the bracket 119, the nut 121 is screwed and clamped by the bolt 120 inserted through the bolt insertion holes formed in the front plate 210, the front plate 115, the rear plate 116, and the bracket 119, respectively. The bolt 120 includes a front plate 115 and a rear plate 11.
A sleeve 216 is externally inserted between the six plates, thereby maintaining the distance between the front plate 115 and the rear plate 116. A displacement member 213 is attached to the bracket 119 by a bolt 212 so as to be vertically displaceable. The lower surface 214 of the displacement member 213 is the upper surface 215 of the scraping member 3.
It is possible to position the scraping member 3 with respect to the upward displacement by abutting against the bolt 212 and screwing / removing the bolt 212. Accordingly, even if the lower end portion 7 of the scraping member 3 comes into contact with the furnace bottom 11 during the scraping operation, the scraping member 3 can be prevented from being displaced upward, and no deviation occurs.

By attaching the cleaner 101 having such a configuration to the drive member 9, the scraping operation in the furnace can be performed in the same manner as the scraping operation described in FIG. Moreover, since the guide rods 27a and 27b are not provided in the scraping device unit of the present embodiment, therefore, the guide rods 27a and 27b are damaged by the undesired stress acting due to the displacement of the elevating member 104. There is no fear of doing it.

Effect of the Invention According to the present invention, since the scraping assisting member is provided, the coke remaining in the vicinity of the furnace bottom or the adhering carbon is surely scraped according to the furnace width even if the furnace width changes. Therefore, the inside of the coke oven can be efficiently cleaned. Moreover, the cleaner according to the invention can be attached to existing equipment, which allows the invention to be implemented in a wide range. Further, since the elevating member is configured to urge the spring downward by the spring, it is not necessary to provide a downward pressing device such as a hydraulic cylinder as described in connection with the above-mentioned prior art. The structure is simple, and the reliability can be improved without causing malfunction.

[Brief description of drawings]

FIG. 1 is a sectional view of a cleaner 1 according to an embodiment of the present invention, and FIG.
The figure is a side view of the cleaner 1, FIG. 3 is a plan view of the cleaner 1, FIG. 4 is a bottom view of the cleaner 1, and FIG.
6 is a sectional view for explaining the scraping operation of the cleaner 1, FIG. 7 is a sectional view of a cleaner 101 according to another embodiment of the present invention, and FIG. 8 is a side view of the cleaner 101. 9 is a plan view of the cleaner 101, FIG. 10 is a bottom view of the cleaner 101, and FIG. 11 is an exploded perspective view of the cleaner 101. 1, 101 ... Cleaner, 2, 102 ... Support member, 3, 103 ... Scraping member, 4 ... Lifting member, 5a, 5b; 105a, 105b ... Compression coil spring, 6a, 6b; 106a, 106b ... Scraping assisting member, 8a, 8b; 108a , 108b
Lower end portion of the scraping member 3,103, 8a, 8b; 108
a, 108b ... scraping assisting member, 9 ... driving means, 10 ... coke oven, 11 ... furnace bottom, 12a, 12b ... furnace wall, 13a, 13b ... wall surface

Claims (1)

[Scope of utility model registration request] 1. A support member attached to a furnace bottom scraping member that extends in the furnace width direction and projects downward, an elevating member provided on the supporting member so as to be vertically displaceable, and an elevating member is spring-biased downward. The spring and the elevating member are provided so as to be angularly displaceable around an axis perpendicular to the furnace width direction.The lower end of the scraping member in the natural state projects below the lower end of the scraping member, and the lower end is pressed. Therefore, the bottom end of the coke oven is characterized by including a scraping assisting member which is angularly displaced against the spring force of the spring and whose lower end portion projects at least laterally than the scraping member. Department cleaner.