CN101726193A

CN101726193A - Synchronizer for bidirectional-movement smoke exhaust pipe of electric furnace

Info

Publication number: CN101726193A
Application number: CN201010102099A
Authority: CN
Inventors: 刘前锋; 李晓宇
Original assignee: Wuxi Dongfang Environmental Engineering Design & Research Institute Co Ltd
Current assignee: Wuxi Dongfang Environmental Engineering Design & Research Institute Co Ltd
Priority date: 2010-01-22
Filing date: 2010-01-22
Publication date: 2010-06-09
Anticipated expiration: 2030-01-22
Also published as: CN101726193B

Abstract

The invention relates to a synchronizer for a bidirectional-movement smoke exhaust pipe of a electric furnace, which comprises a smoke exhaust pipe, a servo speed reducer, a revolving shaft, a wheel, a guide rail, an electric screw rod, a flexible bracket and a compensating sliding block; wherein the smoke exhaust pipe comprises a flexible-section smoke exhaust pipe and a revolving-section smoke exhaust pipe which are mutually connected by the flexible bracket, the electric screw rod pushes the flexible-section smoke exhaust pipe to move along the flexible bracket, the servo speed reducer drives the wheel on a frame to linearly move along the guide rail so as to drive the revolving-section smoke exhaust pipe to swing by taking the revolving shaft as a center, and the compensating sliding block is arranged between the revolving-section smoke exhaust pipe and the frame. In the invention, the synchronous movement between the smoke exhaust pipe and four holes of an electric furnace cover along the guide rail and the staggered movement between the smoke exhaust pipe and the four holes of the electric furnace cover along the flexible bracket can be both realized; more smoke of an electric furnace can be discharged under the condition of not influencing the opening of the furnace cover, and the suction of cold air is reduced, thereby improving the smoke gathering ratio.

Description

Synchronizer for bidirectional-movement smoke exhaust pipe of electric furnace

Technical field

The present invention relates to a kind of smoke evacuation sychronisation, refer in particular to synchronizer for bidirectional-movement smoke exhaust pipe of electric furnace.

Background technology

Steel-smelting electric furnace institute discharged flue gas contains a large amount of high-temperature residual heats, and waste heat flue-gas temperature big ups and downs and contain a large amount of dust are for the needs of energy-saving and emission-reduction, ripe gradually at present and popularize to the utilization of this high-temperature residual heat.At present, the smoke exhaust pipe of furnace lid four hole interfaces has only moving of a direction, and movable smoke exhaust pipe is fixed on the mobile framework, and oil cylinder promotes mobile framework, makes it to move along guide rail, realizes getting out of the way the motion in furnace lid four holes.And the direction activity smoke exhaust pipe that fascinates in furnace lid four holes can't be followed mobile, make movable smoke exhaust pipe be directly exposed to and sneak into a large amount of cold wind in the air, this just influences the smoke discharging effect of smoke exhaust pipe to electric furnace flue gas, electric furnace flue gas spills into the workshop in a large number, has influenced the healthy of environment and workman, in addition, when connecing waste-heat recovery device behind the smoke exhaust pipe, because sneaking in a large number of cold wind caused the waste heat recovery quantity not sufficient, effectively do not reclaim heat.

Therefore for the efficient high-temperature residual heat that uses in the steel-making flue gas, be necessary to study and a kind ofly can not only when opening bell, get out of the way four holes and move, can also when steel-making, follow moving of furnace lid four holes, can make smoke evacuations less cold wind and the more raising exhaust gas temperature of sneaking in four holes in order to more recovery waste heats, and improve the device of electric stove dust effect.

Summary of the invention

The object of the present invention is to provide and a kind ofly can get out of the way the synchronizer for bidirectional-movement smoke exhaust pipe of electric furnace that moves on the direction of fascinating in the direction that moves in furnace lid four holes and four holes.

For achieving the above object, the present invention adopts following technical scheme: a kind of synchronizer for bidirectional-movement smoke exhaust pipe of electric furnace, and it comprises smoke exhaust pipe, servo deceleration machine, gyroaxis, wheel, guide rail, it further comprises electronic screw mandrel, telescope support, compensation slide block; Described smoke exhaust pipe is made up of telescopic section smoke exhaust pipe and meander sections smoke exhaust pipe, telescopic section smoke exhaust pipe and meander sections smoke exhaust pipe are connected by telescope support, electronic screw mandrel promotes the telescopic section smoke exhaust pipe and moves along telescope support, it is the center swing with the gyroaxis that wheel on the servo deceleration machine driving vehicle frame moves drive meander sections smoke exhaust pipe along the guide rail straight line, and described compensation slide block is arranged between meander sections smoke exhaust pipe and the vehicle frame.

Compared with prior art, the present invention has following beneficial effect: the same moved further in smoke exhaust pipe realization and furnace lid four holes is along guide rail, smoke exhaust pipe is realized moving along telescope support with getting out of the way of furnace lid four holes, it can not influence under the situation that bell opens, more drain electric furnace flue gas, reduce the suction of cold air, thereby improved the flue gas trapping rate.

Description of drawings

Fig. 1 is a synchronizer for bidirectional-movement smoke exhaust pipe of electric furnace structural representation of the present invention.

Fig. 2 is a synchronizer for bidirectional-movement smoke exhaust pipe of electric furnace motion state schematic diagram of the present invention.

The specific embodiment

Below in conjunction with specific embodiment the present invention is further described.

Please refer to Figure 1 and Figure 2, a kind of synchronizer for bidirectional-movement smoke exhaust pipe of electric furnace, it comprises electronic screw mandrel 1, smoke exhaust pipe, telescope support 3, servo deceleration machine 4, gyroaxis 5, compensation slide block 6, wheel 7, guide rail 8.

Described smoke exhaust pipe is made up of telescopic section smoke exhaust pipe 2 and meander sections smoke exhaust pipe 9, telescopic section smoke exhaust pipe 2 and meander sections smoke exhaust pipe 9 are connected by telescope support 3, electronic screw mandrel 1 can drive telescopic section smoke exhaust pipe 2 and move along telescope support 3 and get out of the way electric furnace four holes, the wheel 7 that servo deceleration machine 4 drives on the vehicle frame moves along guide rail 8 straight lines, thereby driving meander sections smoke exhaust pipe 9 is the center swing with gyroaxis 5, and the realization smoke exhaust pipe is followed the swing in electric furnace four holes; The same moved further that is smoke exhaust pipe realization and furnace lid four holes is along guide rail, and smoke exhaust pipe is realized moving along telescope support with getting out of the way of furnace lid four holes.Described compensation slide block is arranged between meander sections smoke exhaust pipe and the vehicle frame.

Because the centre of gyration of meander sections smoke exhaust pipe connects so the meander sections smoke exhaust pipe need compensate slide block with being connected of vehicle frame to vicissitudinous distance between the tie point of meander sections smoke exhaust pipe and vehicle frame, the distance that compensation changes; Between compensation slide block and the meander sections smoke exhaust pipe is that rotary pair is connected, and compensating between slide block and the vehicle frame is that sliding pair is connected, and is the parts that connected two kinds of motions so compensate slide block, has satisfied the demand of this mechanism.

Following the motion of fascinating synchronously in bell four holes is realized by 2 servo deceleration machines, 2 servo deceleration machines drive on the vehicle frame front and back totally 4 wheel bands smoke exhaust pipe and realize and the fascinating synchronously of furnace lid four holes, the synchronizing signal of control servomotor by furnace ' s control system give with, thereby guaranteed the synchronous of smoke exhaust pipe and furnace lid four holes.

The motion of getting out of the way furnace lid four holes is that 1 electronic screw mandrel promotes the realization of telescopic section smoke exhaust pipe, and the telescopic section smoke exhaust pipe moves along telescope support, and electronic screw mandrel is driven by electrical apparatus control system.

Smoke exhaust pipe can be the water cooling tube that constitutes with cooling solid matter pipe, also can be the insulation smoke exhaust pipe that constitutes with refractory material.

The smoke exhaust pipe of the present invention direction electricity consumption movable wire bar mobile getting out of the way furnace lid four holes realized moving, the direction of fascinating in furnace lid four holes smoke exhaust pipe with driven by servomotor vehicle frame band and is followed the swing of electric furnace four holes, can not influence under the situation that bell opens, more drain electric furnace flue gas, reduce the suction of cold air, thereby improved the flue gas trapping rate.

Claims

1. synchronizer for bidirectional-movement smoke exhaust pipe of electric furnace, it comprises smoke exhaust pipe, servo deceleration machine, gyroaxis, wheel, guide rail, it is characterized in that: it further comprises electronic screw mandrel, telescope support, compensation slide block; Described smoke exhaust pipe is made up of telescopic section smoke exhaust pipe and meander sections smoke exhaust pipe, telescopic section smoke exhaust pipe and meander sections smoke exhaust pipe are connected by telescope support, electronic screw mandrel promotes the telescopic section smoke exhaust pipe and moves along telescope support, it is the center swing with the gyroaxis that wheel on the servo deceleration machine driving vehicle frame moves drive meander sections smoke exhaust pipe along the guide rail straight line, and described compensation slide block is arranged between meander sections smoke exhaust pipe and the vehicle frame.

2. synchronizer for bidirectional-movement smoke exhaust pipe of electric furnace as claimed in claim 1 is characterized in that: servomotor is by the wheel on the servo deceleration device driving vehicle frame, and the control system on the electric furnace is controlled the synchronizing signal of servomotor.

3. synchronizer for bidirectional-movement smoke exhaust pipe of electric furnace as claimed in claim 1 or 2 is characterized in that: smoke exhaust pipe is the water cooling tube of cooling solid matter pipe formation or the insulation smoke exhaust pipe that constitutes with refractory material.