JP2010006979A - Belt fixing method in belt lifting apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To eliminate the manual belt fixing operation by interrupting the discharging operation in a coke oven at the time of a strong wind or the like. <P>SOLUTION: A method of fixing a belt 12 in belt lifting apparatus 11 includes lifting up the belt 12 laid on the top surface of an opening section 10a of a fixed duct 10 to connect the fixed duct 10 connected to a dust collector 8 in the coke oven operation with a dust collecting moving duct 7 of a coke oven moving machine. Belt press metal fitting 13 for ordinarily fixing the belt 12 is installed over the entire region of the belt 12. Depending on the belt lifting position, this belt press metal fitting 13 is repelled from on the belt 12 by the above belt lifting apparatus 11 which has come over and is released from the fixing of the belt 12. As a result of this, the problem of safety and a personnel guarantee is solved and furthermore, under-production of coke can be avoided. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a fixing method for preventing a belt laid in an upper surface opening of a fixed duct in a belt lifting facility from being detached from the fixed duct.

  In a chamber-type coke oven (hereinafter simply referred to as “coke oven”), combustion chambers and carbonization chambers are alternately arranged in layers. It is charged into the carbonization chamber and dry-distilled through the furnace wall by heat from the combustion chamber to become coke.

A method of discharging the red hot coke after the dry distillation (hereinafter referred to as “red hot coke”) will be described with reference to FIGS. 4 and 5.
The red hot coke 2 after dry distillation in the carbonization chamber 1 is pushed out from one side of the carbonization chamber 1 by the extruder 3 to the fire extinguisher bucket 4 stopped on the other side.

  When the red hot coke 2 is received in the fire extinguisher bucket 4, a gas 5 containing dust is generated from the red hot coke 2. Dissipation of the gas 5 to the outside is suppressed by the guide vehicle dust collection hood 6 provided above the fire extinguishing vehicle bucket 4.

  The guided vehicle dust collection hood 6 passes through a guided vehicle dust collection moving duct 7 and is guided to a fixed duct 10 connected to a blower 9 attached to a dust collector 8 installed on the ground. The dust is collected by the dust collector 8 and purified to the atmosphere. To be discharged.

As a connection technology between the fixed duct and the guide duct dust collecting moving duct, there is one disclosed in Patent Document 1. In this technique, a continuous belt is laid on the upper surface opening of the fixed duct, and the belt is connected at the connecting portion between the guide vehicle dust collection moving duct and the fixed duct. Equipment using this method is called belt lifting equipment.
People's Republic of China Patent No.ZL 200520132979.4

A front view of the belt lifting equipment 11 is shown in FIG. 6, and a sectional view thereof is shown in FIG.
The guide car dust collection moving duct 7 and the fixed duct 10 are connected to the upper surface opening 10a by lifting the belt 12 laid on the upper surface opening 10a of the fixed duct 10 by the belt lifting equipment 11 to the upper surface of the fixed duct 6. This is done with the opening secured.

  Since the belt lifting equipment 11 is an equipment attached to the guide car, as shown in FIG. 7, the guide car dust collecting moving hood 7 and the fixed duct 10 are always connected at the position where the belt lifting equipment 11 is stopped. It is in the state.

In Patent Document 2, in this belt lifting equipment, even if the upper surface opening of the fixed duct is covered with a flexible sealing material such as a rubber belt, the belt is adsorbed to the fixed duct by the suction force from the dust collecting part. It describes that outside air can be prevented from entering the fixed duct.
JP-A-8-157076

  As described in Patent Document 2, a belt laid on the upper surface opening of a fixed duct for dust collection in a coke oven extends for several tens of meters, but the belt supplies gas to the dust collector. It is only fixed by the suction force from the suction blower.

  Therefore, when the wind is strong, the belt is laterally displaced and turned up, and the gas containing dust cannot be sufficiently sucked into the dust collector. Further, when the blower is stopped due to a power failure or the like, the belt suction force to the fixed duct does not work, so that the belt is liable to be laterally displaced or turned up.

  For this reason, during strong winds or power outages, the belt is prevented from slipping or curling up by attaching a jig for pressing the belt laid on the fixed duct manually.

  However, when such a work prevents the belt from slipping or turning up, there are safety problems and the problem of securing personnel is derived. Furthermore, once a jig for holding the belt is attached, the belt lifting equipment cannot be used. Therefore, since the dust collection operation cannot be performed until the jig holding the belt is removed, the coke oven operation in which the red hot coke generated by the coal carbonization in the carbonization chamber is pushed out of the carbonization chamber by the extruder must be interrupted. There was a problem that coke production decreased.

  The problem to be solved by the present invention is that when a jig for manually pressing the belt is attached to prevent the belt from slipping or turning up, there is a safety problem, and the problem of securing personnel is derived. Furthermore, coke production is reduced.

The belt fixing method in the belt lifting equipment of the present invention,
In order to eliminate the manual belt fixing work by interrupting the coke oven extrusion operation during strong winds, etc.
Fixing the belt in the belt lifting equipment that connects the fixed duct connected to the dust collector in the coke oven operation and the dust collecting moving duct of the coke oven moving machine by lifting the belt laid in the upper opening of the fixed duct A method,
At all times of the belt, always install a belt presser to fix the belt,
In the belt lifting position, the most important feature is that the belt holding metal is retracted from the belt by the belt lifting equipment that has moved to release the belt.

  In the present invention, the belt other than the belt lifting position is always fixed by the belt presser, and at the belt lifting position, the belt is lifted away from the belt by the moved belt lifting equipment to release the belt. Therefore, it is not necessary to manually perform the belt fixing operation.

  As a belt pressing metal used in the belt fixing method of the present invention, for example, a belt pressing metal provided with a double spring hinge may be used.

  The present invention eliminates the need to hold down the belt laid on the fixed duct by interrupting the operation of the coke oven during strong winds, etc., thus solving the problem of safety and securing personnel and further avoiding the reduction of coke production. be able to.

Hereinafter, the best mode for carrying out the present invention will be described with reference to FIGS.
1A is a cross-sectional view of a fixed duct of a belt presser hardware installation portion, FIG. 1B is a view taken along the line AA of FIG. 1A, and FIG. FIG. 3 is a view for explaining the movement of the belt pressing metal when the belt lifting equipment is moved in the direction opposite to that in FIG.

  In FIG. 1, reference numeral 13 denotes a belt retainer provided with a double spring hinge 14. In the belt fixing method of the present invention, the belt retainer 13 is provided on both sides in the longitudinal direction of the upper surface opening 10 a of the fixed duct 10. It is a method to implement.

  That is, according to the belt fixing method of the present invention, the belt 12 positioned at the upper surface opening 10a of the fixed duct 10 is automatically pressed or released by the belt pressing metal 13 according to the position of the belt lifting equipment 11. To do.

The method will be described in detail below.
As shown in FIG. 2A, the belt 12 is pressed against the fixed duct 10 by the belt pressers 13a and 13b at a position where the belt lifting equipment 11 is not provided. Therefore, even when the wind is strong or the like, the belt 12 does not slip or turn up.

  On the other hand, at the position where the belt lifting equipment 11 is present, the belt presser 13 c comes into contact with the belt lifting equipment 11. Therefore, the double spring hinge 14c rotates, the belt pressing metal 13c presses the belt 12, and the belt lifting equipment 11 can lift the belt 12.

  When the belt lifting equipment 11 moves in the direction of the white arrow and reaches the position shown in FIG. 2 (b) from the position shown in FIG. 2 (a), the belt retainer 13b installed in the moving direction is belt-lifted. The tip of the equipment 11 is contacted.

  By this contact, the double spring hinge 14b of the belt pressing metal 13b rotates, the belt pressing metal 13b that contacts the belt lifting equipment 11 rotates, and the pressing on the belt 12 by the belt pressing metal 13b is released. .

  When the belt lifting equipment 11 moves further in the direction of the white arrow from the position shown in FIG. 2B and does not come into contact with the belt presser 13c, the double spring hinge 14c of the belt presser 13c is automatically recovered. As a result, the belt pressing metal 13c automatically returns from the state in which the pressing of the belt 12 is released to the state in which the belt 12 is pressed, and presses the belt 12 against the fixed duct 10 again.

  FIG. 3 shows the movement of the belt presser 13 when the belt lifting equipment 11 is moved in the direction opposite to the direction shown in FIG.

  In the case of the above example, it is desirable to arrange the presser bar 13 provided with the double-opening spring hinge 14 at an interval of 1.5 m to 2 m, but it is not particularly limited to this interval.

  In order to prevent biting of foreign matter such as coke powder accumulated on the belt 12 when the belt holding metal 13 moves from the state in which the belt 12 is pressed to the state in which the pressure on the belt 12 is released, It is preferable that the clearance between the lower end of the belt presser 13 and the belt 12 is about 15 mm.

  The present invention is not limited to the above example, and it goes without saying that the embodiments may be changed as appropriate within the scope of the technical idea described in each claim.

  For example, the mechanism of the double spring hinge 14 may be any mechanism as long as it automatically returns from the state in which the belt 12 is pressed to the state in which the belt 12 is pressed against the fixed duct 10.

  The present invention described above is not limited to the case where the dust collection moving duct 7 for the guide car of the coke oven and the fixed duct 6 are connected by belt lifting. For example, when extruding the red hot coke 2 from the carbonization chamber 1, the present invention can also be applied to the case where the gas 5 containing dust coming out from the opening of the carbonization chamber 1 on the extruder 3 side is collected by a belt lifting method.

(A) is a fixed duct sectional view of a belt presser hardware installation part, (b) is an AA arrow line view of (a). (A) (b) is a figure which shows a motion of the belt pressing metal object at the time of belt lifting equipment movement. (A) (b) is a figure which shows a motion of the belt pressing metal object when a belt lifting installation moves to the reverse direction to FIG. It is sectional drawing of a coke oven. It is a layout diagram of a coke oven dust collector. It is a front view of a belt lifting part. It is sectional drawing of a belt lifting part.

Explanation of symbols

7 Guide Car Dust Collection Moving Duct 8 Dust Collector 10 Fixed Duct 10a Top Opening 11 Belt Lifting Equipment 12 Belt 13 Belt Pressing Hardware 14 Double-Spring Spring Hinge

Claims (2)

Fixing the belt in the belt lifting equipment that connects the fixed duct connected to the dust collector in the coke oven operation and the dust collecting moving duct of the coke oven moving machine by lifting the belt laid in the upper opening of the fixed duct A method,
At all times of the belt, always install a belt presser to fix the belt,
A belt fixing method in a belt lifting facility, wherein, in the belt lifting position, the belt pressing metal member is retracted from the belt by the belt lifting facility that has moved to release the belt.   The belt fixing method in the belt lifting equipment according to claim 1, wherein a belt pressing metal having a double spring hinge is used as the belt pressing metal.

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