CN211574520U

CN211574520U - Hot-blast furnace hot-blast outlet hot-blast branch pipe maintenance reinforcing apparatus

Info

Publication number: CN211574520U
Application number: CN201922452589.XU
Authority: CN
Inventors: 周绍鹏; 张校甫; 张玉涛
Original assignee: Zhengzhou Anrui Refractory Technology Co ltd
Current assignee: Zhengzhou Anrui Refractory Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-25
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a hot-blast furnace hot air outlet hot-blast branch pipe maintenance reinforcing apparatus relates to hot-blast furnace hot-blast branch pipe technical field, including hot-blast furnace and hot-blast branch pipe, the bottom swing joint of hot-blast branch pipe has fixed semicircle ring, the fixed section of thick bamboo in bottom fixedly connected with bottom of fixed semicircle ring, the bottom swing joint of the fixed section of thick bamboo in bottom has the threaded rod. The utility model discloses a set up fixed semicircle ring, can give the good support of hot-blast branch pipe in the bottom of hot-blast branch pipe, make hot-blast branch pipe remain stable in the maintenance, can prevent that all the other connector atresss are too big, reach the purpose of protecting the connector between the hot-blast branch pipe, through setting up the threaded rod, can utilize the bottom crank to rotate the threaded rod, make and produce the displacement between threaded rod and the carriage release lever, realize adjusting fixed semicircle ring height, gear and carriage release lever also can mutually support, make the transverse position of fixed semicircle ring change, the purpose of realizing quick adjustment has been reached.

Description

Hot-blast furnace hot-blast outlet hot-blast branch pipe maintenance reinforcing apparatus

Technical Field

The utility model relates to a hot-blast furnace hot-blast branch technical field specifically is a hot-blast furnace hot air exitus hot-blast branch maintenance reinforcing apparatus.

Background

The hot blast stove is a thermodynamic machine, is widely applied in China in the end of the 20 th century 70 s, and becomes an upgrading product of an electric heat source and a traditional steam power heat source in many industries. The hot blast stove has various types and complete series, and is divided into a hand-burning furnace and a machine-burning furnace by a coal feeding mode, and is divided into a coal furnace, an oil furnace, a gas furnace and the like by fuel types. Through long-term production practices, it has been recognized that the heat utilization and the thermal working effect can be improved more only by using hot air as a medium and a carrier. In the traditional electric heat source and steam heat power, a plurality of circulating fans are often arranged in the conveying process, so that hot air is formed indirectly to be dried or heated. The process obviously has the defects of large energy waste, excessive accessory equipment, complex process and the like. And more so, the requirement of such heat sources for higher temperature drying or baking operations is overwhelming. The hot blast stove of the iron-making blast furnace is used for heating blast air to required temperature so as to improve the benefit and efficiency of the blast furnace; it works according to the principle of "heat accumulation". The gas is burnt in the combustion chamber, the high-temperature waste gas passes through the checker bricks and stores heat, when the checker bricks are fully heated, the hot blast stove can be changed into air supply, at the moment, all combustion related valves are closed, all air supply valves are opened, and cold air is heated and sent out through the checker bricks. When the hot blast stove is overhauled, a blind plate or other reliable cutting devices are used for preventing gas from entering from an adjacent gas pipeline, and an operation brand system is strictly executed; the gas protection personnel should monitor on site, in brief, the main structure of the hot blast stove is provided with a stove body, an air inlet pipe, a heating device and a hot air outlet pipe, cold air enters the interior of the hot blast stove from the air inlet pipe under the action of a blower, hot air is discharged from a hot air pipe after being heated by the heating device in the hot blast stove, and the hot air is conveyed to a place needing hot air through a hot air branch pipe, because the hot air transported by the hot air branch pipe has high temperature, the hot air branch pipe can cause damage to the connection part of the hot air branch pipe when transporting the hot air, particularly, it is obvious that the connection sealing member of the hot blast branch pipe is deteriorated to deteriorate the sealability of the hot blast branch pipe, so that the hot blast branch pipe needs to be repaired and maintained at a fixed frequency after being installed and used, if the sealing gasket of the hot blast branch pipe can not be used due to aging, the hot blast branch pipe needs to be disconnected, and the connection part needs to be maintained and replaced.

The utility model discloses a frock is repaired to hot-blast furnace hot-blast branch pipe inside lining disclosed in chinese utility model patent application laid-open specification CN205258515U, including hot-blast branch pipe, end flange and hot-blast furnace, although this utility model can make operation personnel's security obtain guaranteeing, has reduced the degree of difficulty of repairing, but this utility model can not give the good support of hot-blast pipe and fix when maintaining hot-blast branch pipe, appears easily making other connector atress too big and the condition of damage to this utility model can not realize quick fixed and regulation when using, is unfavorable for promoting and use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a hot-blast furnace hot air outlet hot-blast branch pipe maintenance reinforcing apparatus, the problem of proposing in the above-mentioned background art has been solved to the not enough of prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: including hot-blast furnace and hot-blast branch pipe, the bottom swing joint of hot-blast branch pipe has fixed semicircle ring, the top fixedly connected with slipmat of fixed semicircle ring, the fixed section of thick bamboo in bottom fixedly connected with bottom of fixed semicircle ring, the bottom swing joint of the fixed section of thick bamboo in bottom has the threaded rod, the middle part threaded connection of threaded rod has the carriage release lever, the bottom fixedly connected with bottom crank of threaded rod, the one end of carriage release lever runs through the adjustment frame, the lateral wall swing joint of adjustment frame has the pivot, the middle part fixedly connected with gear of pivot, the one end fixedly connected with top crank of pivot, the square frame of bottom fixedly connected with of adjustment frame, the bottom four corners fixedly connected with support frame of square frame.

Optionally, the top of the threaded rod is inserted into the bottom fixing barrel, the bottom of the bottom fixing barrel is fixedly connected with a limiting ring, an annular groove is formed in the upper portion of the threaded rod, and the annular groove is matched with the limiting ring.

Optionally, the bottom fixedly connected with limit pole of fixed semicircle ring, the limit pole has two, two the limit pole is symmetrical about the threaded rod, two the bottom of limit pole all runs through the carriage release lever.

Optionally, a rack is fixedly connected to the top of one end of the moving rod, and the gear is matched with the rack.

Optionally, the bottom fixedly connected with bottom plate of support frame, the bottom fixedly connected with universal wheel of bottom plate, the universal wheel has four, four the universal wheel is respectively in the bottom four corners fixed connection of bottom plate.

Optionally, one end of the hot air branch pipe is fixedly connected with the hot air furnace, the number of the hot air branch pipes is a plurality, and the hot air branch pipes are fixedly connected through a connecting flange.

Three beneficial effects

The utility model provides a hot-blast furnace hot air outlet hot-blast branch pipe maintenance reinforcing apparatus possesses following beneficial effect:

1. this hot-blast furnace hot air outlet hot-blast branch pipe maintenance reinforcing apparatus through setting up fixed semicircle ring, can give the good support of hot-blast branch pipe in the bottom of hot-blast branch pipe, makes hot-blast branch pipe remain stable when the maintenance, and the slipmat can prevent relative slip between hot-blast branch pipe and the fixed semicircle ring, can prevent that all the other connectors atress is too big when dismantling the maintenance to flange, reaches the purpose of protecting the connector between the hot-blast branch pipe.

2. This hot-blast furnace hot air outlet hot-blast branch pipe maintenance reinforcing apparatus through setting up the threaded rod, can utilize the bottom crank to rotate the threaded rod, makes and produces the displacement between threaded rod and the carriage release lever to realize adjusting fixed semicircle ring height, and gear and carriage release lever also can mutually support, make the horizontal position of fixed semicircle ring change, reached the purpose of realizing quick adjustment.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic view of the cross-sectional structure of the bottom fixed cylinder of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the rotating shaft of the present invention.

In the figure: 1. a base plate; 2. a universal wheel; 3. a support frame; 4. a bottom crank; 5. a travel bar; 6. adjusting the frame; 7. a top crank; 8. a threaded rod; 9. a bottom fixed cylinder; 10. a side bar; 11. fixing the semicircular ring; 12. a connecting flange; 13. a hot air branch pipe; 14. a hot blast stove; 15. a gear; 16. a rotating shaft; 17. a non-slip mat; 18. a square frame; 19. an annular groove; 20. a limit ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 5, the present invention provides a technical solution: a hot air outlet hot air branch pipe maintenance reinforcing device of a hot air furnace comprises a hot air furnace 14 and hot air branch pipes 13, one end of each hot air branch pipe 13 is fixedly connected with the hot air furnace 14, a plurality of hot air branch pipes 13 are fixedly connected through a connecting flange 12, the bottom of each hot air branch pipe 13 is movably connected with a fixed semicircular ring 11, the top of each fixed semicircular ring 11 is fixedly connected with an anti-slip pad 17, the bottom of each fixed semicircular ring 11 is fixedly connected with a bottom fixed cylinder 9, the bottom of each bottom fixed cylinder 9 is movably connected with a threaded rod 8, the top of each threaded rod 8 is inserted into the corresponding bottom fixed cylinder 9, the bottom of each bottom fixed cylinder 9 is fixedly connected with a limiting ring 20, the upper part of each threaded rod 8 is provided with a ring groove 19, the ring groove 19 is matched with the limiting ring 20, the middle part of each threaded rod 8 is connected with, the bottom of the fixed semicircular ring 11 is fixedly connected with two side rods 10, the two side rods 10 are symmetrical about a threaded rod 8, the bottoms of the two side rods 10 penetrate through the moving rod 5, one end of the moving rod 5 penetrates through the adjusting frame 6, the side wall of the adjusting frame 6 is movably connected with a rotating shaft 16, the middle part of the rotating shaft 16 is fixedly connected with a gear 15, the top of one end of the moving rod 5 is fixedly connected with a rack, the gear 15 is matched with the rack, one end of the rotating shaft 16 is fixedly connected with a top crank 7, the threaded rod 8 can be rotated by the bottom crank 4 through the arrangement of the threaded rod 8, so that displacement is generated between the threaded rod 8 and the moving rod 5, the height of the fixed semicircular ring 11 is adjusted, the gear 15 and the moving rod 5 can also be matched with each other, the transverse position of the fixed semicircular ring 11 is changed, the purpose of realizing quick adjustment is achieved, the bottom of the adjusting frame, the bottom four corners fixedly connected with support frame 3 of square frame 18, the bottom fixedly connected with bottom plate 1 of support frame 3, the bottom fixedly connected with universal wheel 2 of bottom plate 1, universal wheel 2 has four, four universal wheels 2 are respectively in the bottom four corners fixed connection of bottom plate 1, through setting up fixed semicircle ring 11, can give hot-blast branch pipe 13 good support in hot-blast branch pipe 13's bottom, make hot-blast branch pipe 13 remain stable when the maintenance, slipmat 17 can prevent relative slip between hot-blast branch pipe 13 and the fixed semicircle ring 11, can prevent that all the other connectors atress is too big when dismantling the maintenance to flange 12, reach the purpose of protecting the connector between the hot-blast branch pipe 13.

When the hot air branch pipe fixing device is used, the universal wheel 2 is moved to place the fixed semicircular ring 11 below the hot air branch pipe 13, the bottom crank handle 4 is shaken to enable the threaded rod 8 to ascend inside the moving rod 5, the semicircular clamping of the fixed semicircular ring 11 on the hot air branch pipe 13 is achieved, the top crank handle 7 is shaken to enable the gear 15 to be matched with the moving rod 5 to move the moving rod 5 inside the adjusting frame 6, the position of the fixed semicircular ring 11 is enabled to be more accurate, then the bottom crank handle 4 is rotated to enable the fixed semicircular ring 11 to tightly support the hot air branch pipe 13, the connecting flange 12 is detached, the weight of the hot air branch pipe 13 is enabled to fall on the fixed semicircular ring 11, and therefore the purpose of fixing the hot air branch pipe 13 during maintenance of the hot air branch pipe 13 is achieved.

In conclusion, this device is through setting up fixed semicircle ring 11, can give hot-blast branch pipe 13 good support in hot-blast branch pipe 13's bottom, make hot-blast branch pipe 13 remain stable when the maintenance, slipmat 17 can prevent to slide between hot-blast branch pipe 13 and the fixed semicircle ring 11 relatively, can prevent that remaining connector atress is too big when dismantling the maintenance to flange 12, reach the purpose of protecting the connector between the hot-blast branch pipe 13, through setting up threaded rod 8, can utilize bottom crank 4 to rotate threaded rod 8, produce the displacement between messenger threaded rod 8 and the carriage release lever 5, thereby realize adjusting fixed semicircle ring 11 height, and gear 15 and carriage release lever 5 also can mutually support, make the transverse position of fixed semicircle ring 11 change, reached the purpose that realizes quick adjustment.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a hot-blast furnace hot air outlet hot-blast branch pipe maintenance reinforcing apparatus, includes hot-blast furnace (14) and hot-blast branch pipe (13), its characterized in that: the bottom of the hot air branch pipe (13) is movably connected with a fixed semicircular ring (11), the top of the fixed semicircular ring (11) is fixedly connected with an anti-slip mat (17), the bottom of the fixed semicircular ring (11) is fixedly connected with a bottom fixed cylinder (9), the bottom of the bottom fixed cylinder (9) is movably connected with a threaded rod (8), the middle of the threaded rod (8) is in threaded connection with a moving rod (5), the bottom of the threaded rod (8) is fixedly connected with a bottom crank (4), one end of the moving rod (5) penetrates through an adjusting frame (6), the side wall of the adjusting frame (6) is movably connected with a rotating shaft (16), the middle of the rotating shaft (16) is fixedly connected with a gear (15), one end of the rotating shaft (16) is fixedly connected with a top crank (7), and the bottom of the adjusting frame (6) is fixedly connected with a square frame (18), the four corners of the bottom of the square frame (18) are fixedly connected with a support frame (3).

2. The maintenance and reinforcement device for the hot air outlet branch pipe of the hot air furnace as claimed in claim 1, wherein: the top of the threaded rod (8) is inserted into the bottom fixing barrel (9), the bottom of the bottom fixing barrel (9) is fixedly connected with a limiting ring (20), an annular groove (19) is formed in the upper portion of the threaded rod (8), and the annular groove (19) is matched with the limiting ring (20).

3. The maintenance and reinforcement device for the hot air outlet branch pipe of the hot air furnace as claimed in claim 1, wherein: the bottom fixedly connected with limit pole (10) of fixed semicircle ring (11), limit pole (10) have two, two limit pole (10) are about threaded rod (8) symmetry, two the bottom of limit pole (10) all runs through carriage release lever (5).

4. The maintenance and reinforcement device for the hot air outlet branch pipe of the hot air furnace as claimed in claim 1, wherein: the top of one end of the moving rod (5) is fixedly connected with a rack, and the gear (15) is matched with the rack.

5. The maintenance and reinforcement device for the hot air outlet branch pipe of the hot air furnace as claimed in claim 1, wherein: the bottom fixedly connected with bottom plate (1) of support frame (3), the bottom fixedly connected with universal wheel (2) of bottom plate (1), universal wheel (2) have four, four universal wheel (2) are respectively in the bottom four corners fixed connection of bottom plate (1).

6. The maintenance and reinforcement device for the hot air outlet branch pipe of the hot air furnace as claimed in claim 1, wherein: one end of the hot air branch pipe (13) is fixedly connected with the hot air furnace (14), the hot air branch pipe (13) is provided with a plurality of hot air branch pipes (13), and the hot air branch pipes (13) are fixedly connected through a connecting flange (12).