CN212640569U

CN212640569U - Bell-type furnace

Info

Publication number: CN212640569U
Application number: CN202021514552.1U
Authority: CN
Inventors: 李铮辉; 张平
Original assignee: Jingjiang Jiashide Furnace Co ltd
Current assignee: Jiangsu Jiashide Industrial Furnace Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-03-02
Anticipated expiration: 2030-07-27

Abstract

The utility model relates to a bell-type furnace technical field, concretely relates to stove is established to full hydrogen cover, the on-line screen storage device comprises a base, dustcoat and inner cover, the inner cover sets up on the base, the dustcoat cover is established outside the inner cover, the base up end is equipped with the refractory heat layer, and the refractory heat layer is located the inner cover bottom, install inverter motor on the base, inverter motor's output shaft extends to refractory heat layer top, refractory heat layer top is equipped with the carrier, and the carrier is connected in inverter motor's output shaft, the carrier top is equipped with the support of putting the coil of strip, base one side be equipped with dustcoat and inner cover between the intake pipe of intercommunication, its opposite side be equipped with the outlet duct of intercommunication between dustcoat and the inner cover, the outlet. The utility model discloses increase the high temperature governing valve in the device, the heat can fully absorb the utilization, and natural gas is saved plays energy saving and consumption reduction's effect.

Description

Bell-type furnace

Technical Field

The utility model relates to a bell-type furnace technical field, concretely relates to stove is established to full hydrogen cover.

Background

The all-hydrogen bell-type furnace is important annealing equipment for cold-rolled steel coils, and pure hydrogen is filled in the inner cover as protective gas, so that the surfaces of the annealed steel coils are relatively smooth, and the heat transfer efficiency is greatly improved.

Present full hydrogen bell-type furnace, mostly circular or square, a large amount of coil of strip will be put into in its inner cover, hydrogen is sealed in the inner cover as protective gas, regard as burning heating gas with the natural gas between the inner cover of full hydrogen bell-type furnace and the dustcoat, provide the heat for the coil of strip in the inner cover, the heat of burning does not stop between heating cover and inner cover, through exhaust fan direct extraction waste gas, do not have through complete absorbing heat to be arranged in a large number to the air, a large amount of heat energy have been wasted.

In order to solve the technical problems mentioned above, the utility model provides an energy-saving bell-type furnace.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a furnace is established to cover.

The utility model provides a following technical scheme:

the utility model provides a bell-type furnace, includes base, dustcoat and inner cover, its characterized in that, the inner cover sets up on the base, the dustcoat cover is established outside the inner cover, the base up end is equipped with the refractory heat layer, just the refractory heat layer is located the inner cover bottom, install inverter motor on the base, inverter motor's output shaft extends to refractory heat layer top, refractory heat layer top is equipped with the loader, just the loader connect in inverter motor's output shaft, the loader top is equipped with the support of putting the coil of strip, base one side be equipped with the dustcoat with the intake pipe of intercommunication between the inner cover, its opposite side be equipped with the dustcoat with the outlet duct of intercommunication between the inner cover, the outlet duct passes through high temperature regulating valve and connects in smoke exhaust fan.

Preferably, the side wall of the inner cover is wavy, and the lower end face of the inner cover is provided with a base.

Preferably, the base comprises an anastomosis ring and a stress ring, the stress ring is fixed on the lower end face of the inner cover, the two groups of anastomosis rings are arranged at the lower end of the stress ring, and the two groups of stress rings are distributed in a concentric circle manner.

Preferably, the support comprises a vertical support and a transverse support, the lower end of the vertical support is fixed on the upper end face of the load carrier, and at least one transverse support is fixed on the vertical support.

Preferably, a first communicating pipeline is arranged in the vertical support, a second communicating pipeline is arranged on the transverse support, the second communicating pipeline is communicated with the first communicating pipeline, at least one vent hole is arranged on the transverse support, and the vent hole is communicated with the second communicating pipeline.

Preferably, the top of the outer cover is provided with an outer cover hoisting structure.

Preferably, one side of the outer cover is provided with a ventilating fan which is communicated with the inner cover.

The utility model relates to a cover and establish stove, its beneficial effect lies in: the high-temperature regulating valve is additionally arranged on the air outlet pipeline, the pressure between the outer cover and the inner cover is regulated by regulating the opening size of the high-temperature regulating valve, and the pressure between the outer cover and the inner cover is ensured, so that the retention time of waste gas between the heating cover and the inner cover is relatively prolonged, and the waste heat energy is fully absorbed by the materials in the inner cover, thereby playing the functions of energy conservation and consumption reduction.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of the device of the present invention;

FIG. 2 is a schematic structural view of an inner cover in the device of the present invention;

FIG. 3 is a schematic view of the structure of the bracket of the device of the present invention;

labeled as: 1. a base; 2. a housing; 3. an inner cover; 31. a base; 311. performing anastomosis; 312. a stress ring; 4. a refractory thermal layer; 5. a variable frequency motor; 6. a carrier; 7. a support; 71. a vertical support; 711. a first communicating pipe; 72. a transverse support; 721. a second communicating conduit; 722. a vent hole; 8. hoisting the structure; 10. a steel coil; 11. an air inlet pipe; 12. an air outlet pipe; 13. a high temperature regulating valve; 14. a smoke exhaust fan.

Detailed Description

The conception, the specific structure and the technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Further, the description of the upper, lower, left, right, etc. used in the present invention is only with respect to the positional relationship of the respective components of the present invention with respect to each other in the drawings.

The following describes preferred embodiments of the present invention in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, a bell type furnace comprises a base 1, an outer cover 2, and an inner cover 3, the inner cover 3 being provided on the base 1, the outer cover 2 is covered outside the inner cover 3, the upper end surface of the base 1 is provided with a refractory thermal layer 4, the refractory thermal layer 4 is positioned at the bottom of the inner cover 3, a variable frequency motor 5 is arranged on the base 1, the output shaft of the variable frequency motor 5 extends to the upper part of the refractory thermal layer 4, a loader 6 is arranged above the refractory thermal layer 4, the carrier 6 is connected with the output shaft of the variable frequency motor 4, a bracket 7 for placing a steel coil 10 is arranged above the carrier 4, an air inlet pipe 11 communicated with the outer cover 2 and the inner cover 3 is arranged on one side of the base 1, and the other side of the outer cover is provided with an air outlet pipe 12 communicated with the space between the outer cover 2 and the inner cover 3, and the air outlet pipe 12 is connected with a smoke exhaust fan 14 through a high-temperature regulating valve 13. Natural gas passes through between intake pipe 11 entering inner cover 3 and dustcoat 2, coil of strip in for inner cover 3 provides the heat as heating gas, inverter motor 5 starts, drive loader 6 and support 7 and rotate, can make coil of strip 10 on the support 7 be heated evenly, exhaust fan 14 can discharge the burning waste gas between inner cover 3 and the dustcoat 2 from outlet duct 12, can take away a large amount of heats, prevent the heat a large amount of losses between inner cover 3 and the dustcoat 2, the burning waste gas that can suitable control outlet duct 12 department through high temperature governing valve 13 runs off, avoid a large amount of losses of heat.

The side wall of the inner cover 3 is wave-shaped, and the contact area of the inner cover 3 is increased, so that the heating of the steel coil 10 is improved. The base 31 of the lower end face of the inner cover 3 comprises an inosculating ring 311 and stress rings 312, the stress rings 312 are fixed on the lower end face of the inner cover 3, the inosculating rings 311 are arranged at the lower end of the stress rings 312, and the stress rings 312 are distributed in concentric circles. Can use two rings 311 that coincide that are the concentric circles and distribute to coincide the screens on original substructure's basis, then guarantee stability through the atress circle 312 that coincide the ring 311 top again, so just can promote sealed effect better when using, prevent that the hydrogen in the inner cover from revealing.

The support 7 comprises a vertical support 71 and a transverse support 72, the lower end of the vertical support 71 is fixed on the upper end surface of the load carrier 6, and at least one transverse support 72 is fixed on the vertical support 71. A first communicating pipe 711 is arranged in the vertical support 71, a second communicating pipe 721 is arranged on the transverse support 72, the second communicating pipe 721 is communicated with the first communicating pipe 711, at least one vent hole 722 is arranged on the transverse support 72, and the vent hole 722 is communicated with the second communicating pipe 721. The hydrogen enters the first communicating pipe 711 from the upper port of the vertical bracket 71, then enters the second communicating pipe 721 on each transverse bracket 72 from the first communicating pipe 711, and then enters into the steel coil 10 from the vent hole 722.

The top of the outer cover 2 is provided with an outer cover hoisting structure 8, and the outer cover 2 in the device can be hoisted by the hoisting structure 8.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bell-type furnace, includes base, dustcoat and inner cover, its characterized in that, the inner cover sets up on the base, the dustcoat cover is established outside the inner cover, the base up end is equipped with the refractory heat layer, just the refractory heat layer is located the inner cover bottom, install inverter motor on the base, inverter motor's output shaft extends to refractory heat layer top, refractory heat layer top is equipped with the loader, just the loader connect in inverter motor's output shaft, the loader top is equipped with the support of putting the coil of strip, base one side be equipped with the dustcoat with the intake pipe of intercommunication between the inner cover, its opposite side be equipped with the dustcoat with the outlet duct of intercommunication between the inner cover, the outlet duct passes through high temperature regulating valve and connects in smoke exhaust fan.

2. The bell furnace of claim 1 wherein the side wall of the inner hood is corrugated and the lower end of the inner hood is a base.

3. The bell furnace of claim 2 wherein the base includes an engaging ring and a force-bearing ring, the force-bearing ring is fixed on the lower end surface of the inner cover, two engaging rings are arranged on the lower end of the force-bearing ring, and the two force-bearing rings are arranged in concentric circles.

4. The bell furnace of claim 1 wherein the support includes a vertical support and a lateral support, the vertical support having a lower end secured to the upper end surface of the carrier and at least one of the lateral supports being secured to the vertical support.

5. The bell furnace as claimed in claim 4, wherein the vertical support has a first communicating channel therein, the lateral support has a second communicating channel therein, the second communicating channel communicates with the first communicating channel, and the lateral support has at least one vent hole therein, the vent hole communicates with the second communicating channel.

6. The bell furnace of claim 1 wherein a hood lifting structure is provided at a top of the hood.