CN214582498U - Automatic self-service sealing balancing device for furnace door - Google Patents

Abstract

The utility model discloses an automatic self-service sealing balancing unit of furnace gate. Including connecting the movable lock control track between furnace gate and furnace body, be equipped with the self-adaptation take-up unit between movable lock control track and the furnace body, the self-adaptation take-up unit includes that the protrusion formula is fixed to be set up in the hinge lug of furnace body, and connect in hinge lug and movable lock control articulated shaft between the track, set up in the curved shape self-interacting hinge shaft hole of hinge lug, curved shape self-interacting hinge shaft hole sets up and is downwards, outside direction slope. The automatic furnace door self-service sealing balancing device has the advantages of simple and reasonable structure, energy conservation, particularly simple, convenient and safe operation, low energy consumption and high regeneration and recovery efficiency.

Description

Automatic self-service sealing balancing device for furnace door

Technical Field

The utility model relates to an automatic self-service sealing balancing unit of furnace gate.

Background

The metal regeneration smelting is a key device for metal regeneration smelting recovery, and the structure and the operation mode of the device have important influence on smelting efficiency, effect, energy conservation and reduction of regeneration utilization cost. The structure composition, the operation mode and the like of the existing regenerated metal smelting furnace have the need of further improvement and improvement. If the smelting furnace door device directly influences the energy conservation and the smelting production efficiency of metal recycling, the existing smelting furnace door device has the problems that the displacement motion safety of the door is difficult to coordinate with the effective closing and sealing of the furnace opening, the structure is relatively complex, the door is easy to collide with the furnace body and the furnace opening, the sealing is not good, and the like, and has the advantages of large running resistance, heavy load of a driving device, high energy consumption, low running reliability and high running cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem that above-mentioned prior art exists, provide an automatic self-service balancing unit that seals of furnace gate. The automatic furnace door self-service sealing balancing device has the advantages of simple and reasonable structure, energy conservation, particularly simple, convenient and safe operation, low energy consumption and high regeneration and recovery efficiency.

The utility model discloses automatic self-service sealed balancing unit of furnace gate's technical scheme is including connecting in the activity lock control track between furnace gate and furnace body, be equipped with self-adaptation take-up unit between activity lock control track and the furnace body, self-adaptation take-up unit includes that the protrusion formula is fixed to be set up in the hinge lug of furnace body, and connect in hinge lug and the articulated shaft between the activity lock control track, set up in the bent shape self-interacting hinge shaft hole of hinge lug, bent shape self-interacting hinge shaft hole sets up and is downward, outside direction slope.

The utility model discloses its furnace gate of automatic self-service sealed balancing unit of furnace gate both can be vertical state setting, also can be the slope state setting to be adapted to the on-the-spot overall arrangement of different smelting furnaces and the concrete production requirement of furnace body. The furnace door device has simple and reasonable structure, especially safe, stable and reliable operation, small heat loss, small distance in the opening state, quick closing, sealing, stability and reliability. The smelting furnace has high heat utilization rate and high smelting efficiency.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention; FIG. 2 is a schematic side view of the structure of FIG. 1; FIG. 3 is a schematic side view of an embodiment of the self-adaptive take-up unit of the present invention; FIG. 4 is a schematic diagram illustrating an explosion structure of an embodiment of the control action device of the present invention; fig. 5 is a schematic view of a back structure of the elastic touch seal plate in fig. 4; fig. 6 is a schematic top view of a melting furnace according to another embodiment of the present invention.

Detailed Description

In order to facilitate a better understanding of the present invention, the present invention will be further described with reference to the following embodiments and drawings.

As shown in fig. 1-5. Wherein the movable lock control rail at one side in figure 1 is partially sectioned.

The utility model discloses a smelting furnace and automatic furnace gate self-service sealing balancing unit etc. The melting furnace may include a submerged melting furnace 1 a. The automatic furnace door self-sealing balancing device comprises a furnace door 3 arranged at a furnace mouth at one side of the submerged melting furnace and a corresponding guide device. The guiding device is a position-changing lock control guiding device which comprises movable lock control tracks 4 which are respectively vertically (or obliquely) arranged at two opposite sides of the furnace mouth 2, a constraint type walking device and the like. The restraint type walking device comprises guide limiting grooves 5 which are respectively arranged on movable lock control tracks 4 at two sides of the furnace mouth and on side walls at opposite sides, and a plurality of idler wheels 6 which are respectively connected with the corresponding guide limiting grooves in a rolling mode and are arranged at two opposite sides of the furnace door.

The upper end of the movable lock control track is connected with the furnace body through a self-adaptive tightening device. The lower part of the movable lock control track is connected with the furnace body through a position-changing lock controller 12, and the position-changing lock controller 12 is horizontally arranged or obliquely inclined from one side of the furnace body to the direction of the movable lock control track. The position-changing lock controller is composed of a lock control cylinder, and a piston rod and a cylinder body of the lock control cylinder are respectively and movably hinged with the movable lock control track and the furnace body.

Self-adaptation take turns to tight device and include that the protrusion formula is fixed to be set up in the hinge lug 7 of furnace body to and set up arc, waist shape or curved shape self-interacting hinge shaft hole 8 on hinge lug 7, arc, waist shape or curved shape self-interacting hinge shaft hole set up and be simultaneously a angle of slope of below, outside direction. One end of the articulated shaft 14 is fixedly or movably connected with the movable lock control track, and the other end of the articulated shaft 14 is movably connected with the articulated lug 7 in a variable position mode through an arc-shaped, waist-shaped or curved self-adjusting articulated shaft hole.

Furnace door lifting lugs 9 are fixedly arranged on two sides of the upper end of a furnace door 3 respectively, a bent or waist-shaped self-avoiding shaft hole 10 inclined towards the downward direction and the outer side direction is arranged in a lifting lug hole of each furnace door lifting lug 9, a lifting lug shaft 15 is movably connected with the bent or waist-shaped self-avoiding shaft hole 10, and the lifting lug shaft 15 is connected with a lifting sling 13 through a U-shaped transition connector 13 a.

The automatic furnace door self-help sealing balancing device is also provided with an automatic balancing adjusting device, and the automatic balancing adjusting device comprises a self-help balancing spring 11 which is fixedly or movably connected between the furnace body and the middle part or the upper part of the movable lock control track. The self-help balance spring 11 is a curved plate spring or a spiral spring, one end of the curved plate spring or the spiral spring is fixedly or movably hinged on the inner side wall of the movable lock control track, and the other end of the curved plate spring or the spiral spring is freely and movably or in contact connection with the corresponding part of the furnace body. The upper end of the lifting sling is connected to an oven door lifting drive (which may be a prior art device).

The automatic self-sealing balancing device for the furnace door further comprises a control action device, wherein the control action device comprises a trigger seat 16 and a stroke touch control concealed integrated switch device, the trigger seat 16 is arranged in a guide limiting groove of the movable lock control track, is respectively positioned at the upper part and the lower part of the furnace door, and corresponds to rollers at the upper part and the lower part of the furnace door, the stroke touch control concealed integrated switch device comprises a containing chamber 16a, a guide coupling ring concave table 16b, a ceramic seat 19, an electric contact static contact sheet 18b, an electric contact dynamic contact spring sheet 18a and an elastic touch control sealing device, and the containing chamber 16a, the guide coupling ring concave table 16b, the ceramic seat 19, the electric contact static contact sheet 18b, the electric contact dynamic contact spring sheet 18a and the elastic touch control sealing device are oppositely arranged on the upper part and the lower part of the furnace door. The elastic touch sealing device comprises an elastic touch sealing plate 17, and one end of an electric contact movable contact reed 18a is fixedly connected with the inner wall surface 17a of the elastic touch sealing plate 17. The elastic touch control sealing plate can be made of a thick rubber plate and the like, the periphery of the elastic touch control sealing plate is provided with a stroke guide convex edge 17b which protrudes downwards and corresponds to the guide coupling ring concave table, and the bottom wall surface of the stroke guide convex edge at the lower part of the elastic touch control sealing plate is bonded on the table surface of the guide coupling ring concave table 16 b. The elasticity of the wall of the elastic touch seal plate and the thickness of the stroke guide convex edge protruding from the trigger seat form the telescopic stroke of the elastic touch seal plate and the electric contact movable contact reed thereof. The trigger seat at the lower part in the guide limiting groove of the movable lock control track forms a multifunctional touch control seat. It also acts as a furnace door closing support. The outer wall surface of the elastic touch seal plate is provided with an arc-shaped wall surface corresponding to the roller. The depth of the guiding coupling ring concave 16b of the trigger base 16 is greater than the elastic quantity of the elastic touch control seal plate 17 and the stroke guiding convex edge 17b thereof, or greater than the maximum stroke thereof, that is, the roller is supported by the outer wall surface of the trigger base.

The contact switch of the press-contact type is constituted by an electric contact stationary contact piece 18b, an electric contact movable contact spring piece 18a, and the like. The electric contact static contact piece 18b and the electric contact movable contact spring piece 18a are respectively penetrated by a lead wire through a lead wire hole 20 at one end of the inner side of the trigger seat to be connected with a corresponding oven door controller. One end of the trigger seat close to the inner side is embedded into an installation groove formed in the bottom wall of a guide limiting groove of the movable lock control track, the trigger seat is locked to the movable lock control track through a screw 201 to form limiting, and a furnace door strength support is formed through the installation groove of the movable lock control track.

The operation mode of the mobile device is controlled as follows:

when the roller wheel of the lower part of the furnace door descends to touch the lower multifunctional touch seat, the elastic touch control sealing plate and the stroke guide convex edge thereof are compressed, the elastic touch control sealing plate 17 moves downwards, the inner wall surface 17a of the elastic touch control sealing plate drives the electric contact movable contact reed to move downwards to be contacted with the electric contact static contact strip, the switch of the elastic touch control sealing plate is closed, and the corresponding controller controls to stop the descending of the furnace door and simultaneously control the action of the lock control cylinder to close and lock the furnace door. When the oven door is opened, the controller is started through the door opening control key to control the lock control cylinder to unlock the movable lock control track to loosen the oven door and drive the oven door to ascend, when the oven door ascends to the upper roller of the oven door to touch the upper triggering seat of the movable lock control track, the elastic touch control sealing plate is jacked and moved upwards, the corresponding electric contact movable contact reed moves upwards to contact with the electric contact static contact strip, the switch is closed, and the controller controls the oven door to stop. The furnace door is opened in place. When the elastic touch seal plate is in a free state without being pressed, the upper wall surface of the elastic touch seal plate protrudes out of the trigger working wall surface of the trigger seat (namely, the roller contacts the wall surface). The projecting amount of which corresponds to the stroke of the electric contact movable contact spring piece 18 a. The control circuit can be similar to the prior art.

The operation mode of the furnace door is as follows:

closing the furnace door: after the furnace door descends to the position where the roller presses and touches the multifunctional touch seat and is positioned at the furnace opening, the electric contact movable contact reed is connected with the electric contact static contact reed, the corresponding controller respectively controls the furnace door to stop running and the lock control cylinder to contract, the upper end of the movable lock control track rotates around the self-adjusting hinged shaft hole 8, the whole movable lock control track is horizontally pulled or obliquely pulled to approach one side of the furnace body from the lock control cylinder to the direction of the furnace body, the movable lock control track enables the furnace door to be tightly pressed at the furnace opening through the constraint type walking device, and the furnace door is closed and sealed. When the furnace door is closed, the movable lock control track is moved towards the inside and the outside of the arc-shaped, waist-shaped or curved self-adjusting hinge shaft hole through the hinge shaft 14 under the action of upward decomposition force and the like when the lower end lock control cylinder is locked, so that the furnace door is pressed towards the furnace opening along with the movement, the upper part and the lower part of the furnace door are synchronously and integrally pressed on the furnace opening in a balanced manner, and seamless automatic and reliable pressing and sealing of the furnace door are realized.

Opening a furnace door: the controller controls the lock control cylinder to extend out, the movable lock control track and the furnace door are loosened and pushed out to the outside, the constraint is removed to be in a free state, the movable lock control track and the furnace door slightly deflect downwards and wholly deflect towards the outside under the action of a hinged shaft 14, an arc-shaped, waist-shaped or curved self-adjusting hinged shaft hole and a self-help balance spring (namely the balance spring is loosened) by utilizing the self gravity, the furnace door is separated from the furnace opening, then the controller starts a furnace door lifting driving device, and the furnace door is lifted and opened through a lifting sling. When the furnace door starts to be lifted, an automatic avoiding device which is composed of a curved or waist-shaped self-avoiding shaft hole 10, a suspension trunnion 15 and the like is used for performing auxiliary safe avoidance on the furnace door, when the furnace door is loosened to be positioned at the position of the furnace opening, when a lifting sling is pulled to be tightened, the suspension trunnion is automatically slid to the inner end and the upper end of the self-avoiding shaft hole of a furnace door lifting lug, so that the lifting force application point is deviated to the inner side position of the furnace door, the phenomenon that the furnace door and the side wall of the furnace opening furnace body are subjected to oscillation and swing under the action of decomposition impact force generated by sudden start and pull-up and the like, and the furnace door is prevented from being damaged, and further stable and safe operation is ensured all the time.

The self-help balance spring can also ensure that the upper part and the lower part of the furnace door are uniformly and reliably sealed with the furnace body and the furnace mouth when the furnace door is closed, and when the movable lock control track is unlocked and loosened, the self-help balance spring can play a role in assisting balance and relaxation for the whole furnace door, so that the problems that the movable part of the movable lock control track is stuck and frozen to cause difficult starting of the furnace door, uncoordinated vertical running of the furnace door and the like are avoided, the movable lock control track can be reliably bounced, the furnace door is stably suspended from the furnace mouth, and the opening is safely promoted.

In example 2. As shown in fig. 6, in this example, the elastic touch seal device includes an elastic trigger frame 171, an inner end surface (inner wall surface) of the elastic trigger frame 171 is connected to the guide coupling ring concave 16b of the trigger base 16, a rigid protection balance transmission plate 172 is fixedly connected to an outer end surface of the elastic trigger frame 171, and the electrical contact spring 18a is connected to a stainless protection balance transmission plate. The quick transmission of the applied pressure can be realized, the response speed of the action is further improved, and the service life of the elastic trigger frame body is prolonged. The rest of the structure and the corresponding operation control manner of this example can be similar to those of embodiment 1 described above.

In example 3. The elastic touch seal plate 17 is in a quadrangular frustum pyramid shape, the outer wall surface of the elastic touch seal plate 17 is a top surface, and the outer wall surface of the elastic touch seal plate 17 is fixedly connected with a stainless steel protection balance transfer plate. The clamping phenomenon of the elastic control sealing plate and the guide coupling ring concave platform can be avoided through the quadrangular frustum pyramid-shaped elastic control sealing plate. The infusion pump may be an existing similar structure pump. The rest of the structure and the corresponding operation control manner of this example can be similar to those of embodiment 1 described above.

Claims (1)

1. The utility model provides an automatic self-service sealed balancing unit of furnace gate, is including connecting the movable lock control track between furnace gate and furnace body, characterized by be equipped with self-adaptation take-up unit between movable lock control track and the furnace body, self-adaptation take-up unit includes that the protrusion formula is fixed to be set up in the hinge lug of furnace body, and connect in hinge lug and the articulated shaft between the movable lock control track, set up in the curved shape self-interacting hinge shaft hole of hinge lug, curved shape self-interacting hinge shaft hole sets up and is downwards, outside direction slope.

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