CN215797957U

CN215797957U - Auxiliary installation lifting appliance for inner lining of ascending pipe of coke oven

Info

Publication number: CN215797957U
Application number: CN202121295841.1U
Authority: CN
Inventors: 贾胜利; 关辉; 闫威; 韩文浩
Original assignee: MCC Baosteel Technology Services Co Ltd
Current assignee: MCC Baosteel Technology Services Co Ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-02-11
Anticipated expiration: 2031-06-10

Abstract

The utility model provides an auxiliary installation lifting appliance for a lining of a coke oven ascending pipe, wherein the lining is formed by splicing a plurality of ring pipe bricks; the auxiliary mounting hanger comprises a hanger in a radial structure, the hanger comprises a plurality of fixed cylinders positioned in the same horizontal plane, and one end of each fixed cylinder is connected with one another to form the central position of the hanger; a lifting lug is arranged at the center of the hanging bracket; a movable rod capable of sliding along the axial direction of the fixed cylinder is arranged in the fixed cylinder, one end of the movable rod, far away from the fixed cylinder, is provided with a leaning plate capable of contacting with the inner wall of the ring canal brick, the leaning plate is provided with a bearing plate for bearing the bottom end of the ring canal brick, each bearing plate is provided with a bearing surface, and each bearing surface is positioned on the same horizontal plane; the device has the advantages of simple structure and low cost, and can finish the installation of the lining without the need of entering and exiting the ascending pipe by constructors, thereby effectively avoiding the injuries of the constructors.

Description

Auxiliary installation lifting appliance for inner lining of ascending pipe of coke oven

Technical Field

The utility model belongs to the technical field of hoisting devices, and particularly relates to an auxiliary installation hoisting tool for a coke oven ascending pipe lining.

Background

The coke oven ascending pipe is arranged on the top of the coke oven so as to lead out the crude gas in the coking chamber. A lining is required to be installed in the coke oven ascending pipe to prevent high-temperature raw gas from directly contacting with the coke oven ascending pipe, so that the coke oven ascending pipe is deformed at high temperature or is blocked by tar condensation; the lining is built by the previously obtained ring canal bricks, and the ring canal bricks are made of refractory materials, so that the lining is ensured to have good heat insulation effect. As the diameter of the ascending pipe of the coke oven is small (about 500mm), the pipe body is longer, and when the lining is installed, constructors with thinner body types need to enter the ascending pipe of the coke oven, and all the ring pipe bricks are sequentially arranged by manpower to form the lining. Because the inner space position of the ascending pipe of the coke oven is narrow, the entering and exiting of constructors are difficult, and the constructors are easy to extrude and touch hands, legs and other parts when building the lining, so that the body of the constructors is damaged.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the prior art, the utility model aims to provide an auxiliary installation lifting appliance for a lining of a coke oven riser, which can realize the lifting of each ring pipe brick without entering or exiting the interior of the coke oven riser by personnel to complete the installation of the lining.

In order to achieve the above objects and other related objects, the present invention provides an auxiliary installation lifting tool for a liner of a coke oven riser, wherein the liner is formed by splicing a plurality of ring pipe bricks; the auxiliary mounting hanger comprises a hanger in a radial structure, the hanger comprises a plurality of fixed cylinders positioned in the same horizontal plane, and one end of each fixed cylinder is connected with one another to form the central position of the hanger; a lifting lug is arranged at the center of the hanging bracket; the movable ring tube brick supporting device is characterized in that a movable rod capable of sliding along the axial direction of the fixed cylinder is arranged in the fixed cylinder, one end, far away from the fixed cylinder, of the movable rod is provided with a leaning plate capable of contacting with the inner wall of a ring tube brick, a bearing plate used for bearing the bottom end of the ring tube brick is arranged on the leaning plate, each bearing plate is provided with a bearing surface, and the bearing surfaces are located on the same horizontal plane. The device has simple structure and low cost, when the lining is installed, only the auxiliary installation lifting appliance is needed to be placed at the bottom end of the ring canal brick, then adjusting the extension amount of each movable rod to enable the bearing plate on each movable rod to support the bottom end of the circular tube brick, the leaning plate on each movable rod is positioned on the inner side of the inner wall of the circular tube brick, then the lifting eye of the auxiliary installation lifting appliance is hooked by the lower hook of the lifting chain on the chain block, the auxiliary installation lifting appliance and the ring pipe brick are lifted to the inner space of the vertically placed coke oven ascending pipe, the ring tube brick is slowly lowered to a preset position by adjusting the length of a traction chain of the chain block, then the auxiliary installation lifting appliance is swung by swinging the lifting chain, under the limiting action of the ring pipe bricks, all the movable rods are contracted, so that the size of the whole auxiliary mounting hanger is changed until the whole size of the auxiliary mounting hanger is smaller than the inner diameter of the ring pipe bricks; then, the hoisting chains are continuously swung, all supporting plates are pulled out from the bottom of the ring pipe brick, the auxiliary mounting lifting appliance is separated from the ring pipe brick, and the ring pipe brick is mounted under the action of gravity; and finally, the separated auxiliary mounting lifting appliance is moved out from the upper opening of the ring pipe brick, and the next ring pipe brick is mounted.

Preferably, an included angle α between two adjacent fixed cylinders is 360/n, where n is the number of the fixed cylinders, so as to ensure the stability of hoisting the ring pipe bricks.

Preferably, the number of the fixed cylinders is four.

Preferably, paste the backup plate and be the steel sheet of vertical setting, the bearing board is the steel sheet of level setting, the one end of bearing board with correspond paste the board and connect perpendicularly and form the angle steel structure to guarantee to paste the backup plate and paste completely with the end that stretches out of movable rod and guarantee that the two has sufficient connection area, ensure joint strength.

As mentioned above, the auxiliary installation lifting appliance for the inner liner of the ascending pipe of the coke oven has the following beneficial effects:

(1) the hoisting device disclosed by the utility model is simple in structure and low in cost, and can hoist each ring pipe brick into the vertically placed coke oven ascending pipe without entering and exiting the coke oven ascending pipe by constructors, so that the vertical hoisting of the lining is completed, the constructors are effectively prevented from being injured, and the installation quality of the lining is also ensured;

(2) when the lining is installed, the auxiliary installation lifting appliance is placed at the bottom end of the ring pipe brick, then the expansion amount of each movable rod is adjusted, the supporting plate on each movable rod supports the bottom end of the ring pipe brick, the leaning plate on each movable rod is positioned on the inner side of the inner wall of the ring pipe brick, then the lifting lug of the auxiliary installation lifting appliance is hooked by the lower hook of the lifting chain on the chain block, the auxiliary installation lifting appliance and the ring pipe brick are lifted to the inner space of the vertically placed coke oven ascending pipe, the ring pipe brick is slowly lowered to the preset position by adjusting the length of the traction chain of the chain block, then the auxiliary installation lifting appliance is swung by swinging the lifting chain, under the limiting action of the ring pipe brick, each movable rod is contracted, the size of the whole auxiliary installation lifting appliance is changed, and the whole size of the auxiliary installation lifting appliance is smaller than the inner diameter of the ring pipe brick; then, the hoisting chains are continuously swung, all supporting plates are pulled out from the bottom of the ring pipe brick, the auxiliary mounting lifting appliance is separated from the ring pipe brick, and the ring pipe brick is mounted under the action of gravity; finally, the separated auxiliary mounting lifting appliance is moved out from the upper opening of the ring pipe brick by using a traction chain on the chain block, and the next ring pipe brick is mounted until all the ring pipe bricks are mounted to obtain a lining; only need rock the supplementary installation hoist and can make supplementary installation hoist and ring canal brick break away from, need not additionally to set up flexible actuating mechanism, greatly reduced the complexity and the cost of structure.

Drawings

Fig. 1 is a schematic view of a bustle pipe brick masonry lining.

Fig. 2 is a top view of the auxiliary mounting spreader of the present invention.

Fig. 3 is a front view of the auxiliary mounting spreader of the present invention.

Fig. 4 is a top view of the auxiliary installation sling holding the bottom end of the ring pipe brick.

Fig. 5 is a schematic diagram of a chain block matched with an auxiliary installation lifting appliance for lifting the ring tube bricks.

Description of the reference numerals

Inside lining 01, ring pipe brick 011, fire prevention mud 012, chain block 02, lower hook 021, jack-up chain 022, tow chain 023, go up hook 024, gallows 1, fixed cylinder 11, movable rod 12, rings 2 lean on board 3, support board 31.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1 to 5. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

As shown in fig. 1, a lining 01 is built by a plurality of ring pipe bricks 011, and the installation of the lining 01 is completed by sequentially filling the ring pipe bricks 011 into a rising pipe of a coke oven and connecting the ring pipe bricks 011 by fireproof slurry 012.

As shown in fig. 2 to 3, the utility model provides an auxiliary installation hanger for a liner of a coke oven ascending pipe, which comprises a hanger 1 in a radial structure, wherein the hanger 1 comprises a plurality of fixed cylinders 11 positioned in the same horizontal plane, and one end of each fixed cylinder 11 is connected with each other to form the central position of the hanger 1; a lifting lug 2 is arranged at the center of the hanger 1; be equipped with in the fixed cylinder 11 and follow the gliding movable rod 12 of fixed cylinder 11 axial direction, the one end that fixed cylinder 11 was kept away from to movable rod 12 is equipped with can paste with ring canal brick 011 inner wall contact and leans on board 3, pastes and is equipped with the bearing board 31 that is used for bearing ring canal brick 011 bottom on the board 3, and each bearing board 31 has the bearing face, and each bearing face is located the same horizontal plane.

As shown in fig. 2, an included angle α between two adjacent fixed cylinders 11 is 360/n, where n is the number of the fixed cylinders 11, so as to ensure the bearing stability of the ring pipe brick 011.

It can be understood that the included angle α between any two adjacent groups of the fixed cylinders 11 may not be equal, and is not limited thereto, as long as the ring pipe brick 011 can be stably supported.

It can be understood that the greater the number of the fixed cylinders 11, the better the stability of the jacking ring pipe brick 011, the number of the fixed cylinders 11 is not limited by the utility model, and the fixed cylinders 11 are preferably arranged into four to form a cross-shaped hanger in consideration of the bearing stability and the cost.

As shown in fig. 3, the support plate 3 is a vertically disposed steel plate, the support plate 31 is a horizontally disposed steel plate, and one end of the support plate 31 is vertically connected to the corresponding support plate 3, so as to ensure that the support plate 3 is vertically welded to the movable rod 12, increase the welding area, and improve the welding stability.

It can be understood that the vertical distance from the top end of the abutting plate 3 to the supporting plate 31 is h, which is not limited in the present invention, as long as it is ensured that when the auxiliary installation lifting appliance rocks, the abutting plate 3 can move toward the direction close to the center of the lifting frame 1 under the limiting action of the ring pipe bricks 011, so as to sequentially contract the movable rods 12, thereby completing the separation of the auxiliary installation lifting appliance from the ring pipe bricks 011. The present embodiment preferably provides the support plate 31 at the bottom end of the abutment plate 3 to form an angle mechanism for easy access.

As shown in fig. 4 and 5, when the liner 01 is installed, only the auxiliary installation lifting tool needs to be placed at the bottom end of the circular pipe brick 011, and then the expansion amount of each movable rod 12 is adjusted, so that the supporting plate 31 on each movable rod 12 supports the bottom end of the circular pipe brick 011, and the leaning plate 3 on each movable rod 12 is located on the inner side of the inner wall of the circular pipe brick 011; cleaning the bottom of a ring pipe brick 011, smearing fireproof slurry 012 on the top of the ring pipe brick 011, hooking a lifting lug 2 of an auxiliary installation lifting appliance by a lower hook 021 of a lifting chain 022 on a chain block 02, lifting the auxiliary installation lifting appliance and the ring pipe brick 011 into a vertically placed coke oven ascending pipe, slowly lowering the ring pipe brick 011 to a preset position by adjusting the length of a traction chain 023 of the chain block 02, swinging the lifting chain 122 to enable the auxiliary installation lifting appliance to swing, and enabling each movable rod 12 to contract under the limiting action of the ring pipe brick 011, so that the size of the whole auxiliary installation lifting appliance is changed until the whole size of the auxiliary installation lifting appliance is smaller than the inner diameter of the ring pipe brick 011; then, the lifting chains are continuously swung, all the supporting plates 31 are pulled out from the bottom of the ring pipe brick 011, the auxiliary mounting lifting appliance is separated from the ring pipe brick 011, and the ring pipe brick 011 falls into the bottom of the ascending pipe of the coke oven under the action of gravity; and then, the separated auxiliary mounting lifting appliance is moved out from the upper opening of the ring pipe brick 011, a long-handle hand hammer is used for adjusting the specific position of the ring pipe brick 011, and finally, the steps are repeated to lift the rest ring pipe bricks 011 in place, so that the whole lining 011 is mounted.

Because the fireproof mud 012 is used for tightly connecting two adjacent ring pipe bricks 011 and avoiding gaps at the joint, the fireproof mud 012 does not need to be smeared on the top when the last ring pipe brick 011 is installed.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. An auxiliary installation lifting appliance for a liner of a coke oven ascending pipe is characterized in that the liner (01) is formed by splicing a plurality of ring pipe bricks (011); the method is characterized in that: the auxiliary mounting hanger comprises a hanger (1) in a radial structure, the hanger (1) comprises a plurality of fixed cylinders (11) which are positioned in the same horizontal plane, and one end of each fixed cylinder (11) is connected with one another to form the central position of the hanger (1); a lifting lug (2) is arranged at the center of the hanger (1); be equipped with in fixed cylinder (11) and follow the gliding movable rod (12) of fixed cylinder (11) axial direction, the one end that fixed cylinder (11) was kept away from in movable rod (12) is equipped with can with the backup plate (3) of pasting of ring pipe brick (011) inner wall contact, be equipped with on backup plate (3) and be used for bearing board (31) of ring pipe brick (011) bottom, each bearing board (31) have the bearing face, and each bearing face is located the same horizontal plane.

2. The auxiliary mounting hanger for the inner lining of the ascending tube of the coke oven according to claim 1, wherein an included angle α between two adjacent fixed cylinders (11) is 360/n, wherein n is the number of the fixed cylinders (11).

3. The coke oven riser lining auxiliary mounting hanger as claimed in claim 2, wherein the number of the fixed cylinders (11) is four.

4. The auxiliary mounting hanger for the inner lining of the ascending tube of the coke oven according to claim 3, wherein the abutting plate (3) is a vertically arranged steel plate, the supporting plate (31) is a horizontally arranged steel plate, and one end of the supporting plate (31) is vertically connected with the corresponding abutting plate (3) to form an angle steel structure.