CN210688303U

CN210688303U - Furnace top structure of biomass combustion hot blast furnace

Info

Publication number: CN210688303U
Application number: CN201921346509.6U
Authority: CN
Inventors: 张佩利; 鄢雪丽; 谷小颖
Original assignee: Zhengzhou Dongding Drying Equipment Co ltd
Current assignee: Zhengzhou Dongding Drying Equipment Co ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-06-05
Anticipated expiration: 2029-08-19

Abstract

The utility model relates to a furnace roof structure of living beings burning hot-blast stove, it includes the furnace body, the furnace roof of furnace body is established to flat top formula structure, the furnace body includes the frame type skeleton that is welded into by the channel-section steel and builds by laying bricks or stones in skeleton inboard resistant firebrick all around, the furnace roof adopts refractory castable to pour and forms, just the furnace roof hoists in the channel-section steel at skeleton top. The furnace top of the utility model is poured by refractory castable, and is hoisted on the framework of the furnace body by utilizing the anchoring bricks and the hanging hooks, so that the overall structural strength of the furnace body is high; the heat insulation cotton has good fireproof heat insulation performance, and the fireproof heat insulation performance of the furnace top is improved.

Description

Furnace top structure of biomass combustion hot blast furnace

Technical Field

The utility model relates to a hot-blast furnace technical field especially relates to a biomass combustion hot-blast furnace's furnace roof structure.

Background

The biomass hot blast stove is drying equipment using biomass as fuel, and has the main functions of: drying (drying) and heating. The furnace top structure strength of the existing biomass combustion furnace hot blast stove is not high, and the fire-resistant heat-insulating property is not outstanding enough.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a biomass combustion hot blast stove top structure with high structural strength and good fire-resistant thermal insulation performance.

The utility model provides a technical scheme that its technical problem adopted is: the furnace top structure of the biomass combustion hot blast furnace comprises a furnace body, the furnace top of the furnace body is of a flat top structure, the furnace body comprises a frame-shaped framework formed by welding channel steel and refractory bricks built on the inner sides of the periphery of the framework, the furnace top is formed by pouring refractory castable, and the furnace top is hung on the channel steel at the top of the framework.

The utility model provides a furnace roof structure of biomass combustion hot-blast furnace in a preferred embodiment, the furnace roof includes refractory castable, polylith anchor brick and hangs the couple, polylith the refractory body of pouring is pour into with refractory castable to anchor brick, and polylith the anchor brick exposes the refractory body of pouring, hang the one end fixed connection anchor brick of couple, other end fixed mounting in the skeleton.

The utility model provides a biomass combustion hot-blast furnace's furnace roof structure in a preferred embodiment, the top of skeleton is equipped with many horizontal or vertical installation channel-section steels that set up, the couple screw thread fixed mounting in the installation channel-section steel.

In a preferred embodiment of the furnace top structure of the biomass combustion hot blast furnace provided by the present invention, the top layer and the bottom layer of the refractory casting body are both further provided with heat preservation cotton.

In the preferred embodiment of the furnace top structure of the biomass combustion hot blast furnace, the two ends and the middle part of the framework are provided with a plurality of tie bars, and the tie bar bolt structure is fixed on the framework.

Compared with the prior art, the utility model provides a biomass combustion hot-blast furnace's furnace roof structure's beneficial effect is: the furnace top of the utility model is poured by refractory castable, and is hoisted on the framework of the furnace body by utilizing the anchoring bricks and the hanging hooks, so that the overall structural strength of the furnace body is high; the heat insulation cotton has good fireproof heat insulation performance, and the fireproof heat insulation performance of the furnace top is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic structural diagram of a furnace top structure of a biomass combustion hot blast furnace provided by the utility model;

FIG. 2 is a sectional view A-A of the roof structure of the biomass-fired hot blast stove provided in FIG. 1;

fig. 3 is a top view of the roof structure of the biomass-fired hot blast stove provided in fig. 1.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the roof structure 1 of the biomass combustion hot blast stove includes a stove body 11, the roof of the stove body 11 is a flat roof structure, the stove body 11 includes a frame-shaped framework 111 formed by welding channel steel and refractory bricks 112 built on the inner side of the periphery of the framework, the roof is formed by pouring refractory castable, and the roof is hung on the channel steel on the top of the framework 111.

Specifically, the furnace roof in this embodiment includes a refractory castable 12, a plurality of anchor bricks 13 and a hanging hook 14, the plurality of anchor bricks 13 and the refractory castable 12 are poured to form a refractory castable, and the plurality of anchor bricks 13 are exposed out of the refractory castable, one end of the hanging hook 14 is fixedly connected to the anchor bricks 13, the other end is fixedly mounted on the framework 111, the refractory castable is poured through the anchor bricks 13 and the refractory castable 12, and the hanging hook 13 is used to fixedly connect the refractory castable and the framework 111 of the furnace body 11, so that the reliability of the structure of the furnace body 11 is ensured, the load bearing on the refractory bricks 112 of the furnace body is reduced, and the service life of the furnace body is prolonged.

Specifically, the top of the framework 111 in this embodiment is provided with a plurality of mounting channel steels 15 arranged transversely or longitudinally, and the hanging hooks 14 are fixedly mounted on the mounting channel steels 15 through threads.

Furthermore, the surface layer and the bottom layer of the refractory pouring body are both provided with heat insulation cotton 16, and the arranged heat insulation cotton 16 has a good heat insulation effect, so that the heat loss in the furnace is reduced.

Further, both ends and the middle part of skeleton 111 still are equipped with many lacing wires 17, lacing wire 17 bolted construction is fixed in skeleton 111, has further strengthened skeleton 111's structural firmness and stability.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The utility model provides a biomass combustion hot-blast furnace's furnace roof structure, includes the furnace body, its characterized in that: the furnace top of the furnace body is of a flat top structure, the furnace body comprises a frame-shaped framework formed by welding channel steel and refractory bricks built on the inner sides of the periphery of the framework, the furnace top is formed by pouring refractory castable, and the furnace top is hung on the channel steel at the top of the framework.

2. The roof structure of a biomass burning hot blast stove according to claim 1, characterized in that: the furnace top comprises a refractory casting material, a plurality of anchoring bricks and a hanging hook, wherein the anchoring bricks and the refractory casting material are cast into a refractory pouring body, the anchoring bricks are exposed out of the refractory pouring body, one end of the hanging hook is fixedly connected with the anchoring bricks, and the other end of the hanging hook is fixedly installed on the framework.

3. The roof structure of a biomass burning hot blast stove according to claim 2, characterized in that: the top of skeleton is equipped with many installation channel-section steels of horizontal or vertical setting, the hanging hook screw thread fixed mounting in installation channel-section steel.

4. The roof structure of a biomass burning hot blast stove according to claim 2, characterized in that: the surface layer and the bottom layer of the fireproof pouring body are both provided with heat insulation cotton.

5. The roof structure of a biomass burning hot blast stove according to claim 1, characterized in that: the two ends and the middle part of the framework are also provided with a plurality of tie bars, and the tie bar bolt structures are fixed on the framework.