CN203625304U

CN203625304U - Corbel pillars for 125-ton dry quenching furnace

Info

Publication number: CN203625304U
Application number: CN201320857097.9U
Authority: CN
Inventors: 牟善浩; 张久美; 刘永杰; 孙杰璟
Original assignee: University of Jinan
Current assignee: University of Jinan
Priority date: 2013-12-24
Filing date: 2013-12-24
Publication date: 2014-06-04
Anticipated expiration: 2023-12-24

Abstract

The utility model relates to corbel pillars for a 125-ton dry quenching furnace. The corbel pillars comprise corbel pillars, overhead bricks and supporting parts, wherein the cross section and the longitudinal section of each corbel pillar are both trapezoidal; the overhead bricks are arranged above the corbel pillars; the supporting parts are formed from a plurality of layers of bricks and arranged between the corbel pillars and bearing surfaces; the inner diameter surface of each corbel pillar is a bevel; and the end faces of the overhead bricks close to a furnace core are aligned to the inner diameter surfaces of the corbel pillars. The inner diameter surfaces of the corbel pillars are aligned to the end faces of the overhead bricks close to the furnace core; a gravitational force of each overhead brick is deviated towards a position where the corbel pillars are far away from a slant angle and a force bearing point of a maximal shear force borne by the corbel pillars is deviated, so that the overall bearing capacity of the corbel pillars is improved. Moreover, the inner diameter surface of each corbel pillar is a flat bevel; and therefore, the present situation of unreasonable stressing of the existing traditional corbel pillars of the dry quenching furnace is changed, and the force bearing point of the existing corbel pillars of the dry quenching furnace is changed, thus the service life of the corbel pillars of the dry quenching furnace is prolonged.

Description

A kind of 125 tons of coke dry quenching furnace bracket columns

Technical field

The utility model relates to coke dry quenching furnace technical field, is specifically related to a kind of 125 tons of coke dry quenching furnace bracket columns.

Background technology

Dry coke quenching is relative coke wet quenching, is to adopt rare gas element by a kind of coke quenching method of red burnt cooling down.Bracket column part is the most important position of coke dry quenching furnace, and it is arranged in the prestore connection section of district and cooling zone of coke dry quenching furnace coke.This position temperature variation is frequent, is mainly reflected as that heat is burnt to start to become low temperature by high temperature and carry out coolingly at this position, and the quenching medium coming from furnace bottom becomes high temperature from this district by low temperature because absorbing hot burnt liberated heat.With regard to bracket column itself, sometimes or because of heat-eliminating medium Yong road effect, and cooling by it, bracket is also subject to the washing away of coke grain of air-flow punching band simultaneously, so the refractory materials at this position is the most fragile.But there are problems in the structure of existing coke dry quenching furnace inside " bracket column ", it directly affects " bracket column " work-ing life, the unreasonable of its shearing force stress point is to cause its flimsy major cause, the damage of existing traditional coke dry quenching furnace " bracket column " mainly divides in middle and upper part, it is on the vertical line of " bracket column " suffered maximum shear stress, under lasting shear action, " bracket column " middle and upper part divides brick to start breaking releasing.And " bracket column " flimsy problem is also a difficult problem for the each Steel Plant of puzzlement now, the manpower and materials that spend in every year this respect are various, more directly affect the production operation of Steel Plant.

Summary of the invention

The utility model, in order to overcome the deficiency of above technology, provides 125 tons of coke dry quenching furnace bracket columns that a kind of overall weight capacity is high.

The utility model overcomes the technical scheme that its technical problem adopts:

These 125 tons of coke dry quenching furnace bracket columns, comprise cross section and vertical section be trapezoidal bracket column, be arranged at bracket column top cross dome brick and be arranged at bracket column with loading end between by some layers brick become support portion, the aperture surface of described bracket column is an inclined-plane, and the described dome brick of crossing aligns near the end face of the stove heart and the aperture surface of bracket column.

In order to improve the intensity of bracket column, the height of above-mentioned bracket column is 2548mm, and the angle between aperture surface and the loading end of described bracket column is 76.11 °, and described bracket column is from bottom to top by four layers of brick one-tenth, and the width of described every layer of brick is 189mm.。

The beneficial effects of the utility model are: its aperture surface of bracket column aligns near the end face of the stove heart with mistake dome brick, cross the center of gravity power deflection bracket column of dome brick away from the place at pitch angle, bracket column bears maximum shear stress stress point and is offset, thereby has improved bracket column entirety weight capacity.And the aperture surface of bracket column is a smooth inclined-plane, therefore change the stressed unreasonable present situation of existing traditional coke dry quenching furnace bracket column, the stress point of existing coke dry quenching furnace bracket column is changed, thereby improve the life-span of coke dry quenching furnace bracket column.

Brief description of the drawings

Fig. 1 is prior art coke dry quenching furnace bracket column structural representation;

Fig. 2 is the left TV structure schematic diagram of coke dry quenching furnace of the present utility model bracket column;

Fig. 3 is the main TV structure schematic diagram of coke dry quenching furnace of the present utility model bracket column;

In figure, 1. cross dome brick 2. bracket column 3. knuckle portion 4. support portion 5. loading end 6. aperture surfaces.

Embodiment

Below in conjunction with accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, the utility model is described further.

These 125 tons of coke dry quenching furnace bracket columns as shown in Figure 2, comprise cross section and vertical section be trapezoidal bracket column 2, be arranged at bracket column 2 tops cross dome brick 1 and be arranged at bracket column 2 with loading end 5 between by some layer brick become support portion 4, the aperture surface 6 of bracket column 2 is an inclined-plane, crosses dome brick 1 and aligns near the end face of the stove heart and the aperture surface 6 of bracket column 2.In prior art, on coke dry quenching furnace aperture surface, form a knuckle portion by two inclined-planes as described in Figure 1, therefore its force structure is unreasonable.New Type Bracket post 2 its aperture surfaces of the utility model design align near the end face of the stove heart with mistake dome brick 1, therefore the utility model is equivalent to the radially horizontal Xiang Lu of original bracket column 2 entirety center to extend, the center of gravity power deflection bracket column 2 of crossing dome brick 1 in the time using installation above bracket is away from the place at pitch angle, bracket column 2 bears maximum shear stress stress point and is offset, thereby has improved the overall weight capacity of bracket column 2.And the aperture surface 6 of bracket column 2 is a smooth inclined-plane, has therefore changed the stressed unreasonable present situation of existing traditional coke dry quenching furnace bracket column 2, and the stress point of existing coke dry quenching furnace bracket column 2 is changed, thus the life-span of improving coke dry quenching furnace bracket column 2.

The height of bracket column 2 is 2548mm, and the angle between aperture surface 6 and the loading end 5 of bracket column 2 is 76.11 °.The increase of angle makes the stress point of its shearing force move to furnace wall direction, thereby maximum shear stress and own bracket column 2 are shifted to the comparatively firmly place of bracket column 2 from the stress point of gravity, has increased the stress-bearing capability of bracket column 2.The utility model highly increases bracket column 3, and its top remains unchanged, and is directly connected with mistake dome brick 1, and improve existing coke dry quenching furnace bottom, and the utility model bracket column 2 whole height in the time that construction is built by laying bricks or stones, to moving down, reduces the height of support portion 4.Because making this maximum weighted point depart from slope direction to bracket column, the change of height shifts, and because height increases to bracket column below, reduce original bracket column bottom by turning the damage support portion 4 that is built into causing because bracket is overweight and then affecting the situation such as stressed of bracket, therefore the increase of bracket column 2 height being made to bracket is to damage and cause structural portion to stablize aspect all to have and improve significantly effect, improved the life-span of coke dry quenching furnace bracket column 2 from top stressing conditions or to bottom.

As shown in Figure 3, bracket column 2 is from bottom to top by four layers of brick one-tenth, and the width of every layer of brick is 189mm.Existing bracket column 2 is by 10 layers of brick one-tenth calibrated altitude, and it is calculon.Change the brick type of bracket brick used into syphon, make it use 4 layers of brick, because entirety deadweight and the strength ratio calculon due to syphon when stressed wants large, increase so bear the ability of shearing force.The width of existing bracket column 2 is that 155mm is therefore by strengthening the width of the brick that is built into bracket column 2, ventilation duct between bracket column 2 narrows, bracket column 2 bricks are that 155mm changes 189mm into by width, because bracket column 2 is increased, also increase thereupon in the air channel of crossing between bracket column, to keep former quenching efficiency constant and do not increase air quantity and caused the waste of quenching wind used, just must make air channel 7 width between bracket column 2 also reduce accordingly, between bracket column, air channel 7 is 360mm by original width, be reduced to 327mm, making the utility model is that between bracket column 2, air quantity is constant excessively according to coke dry quenching furnace quenching efficiency.

Claims

1. 125 tons of coke dry quenching furnace bracket columns, it is characterized in that: comprise cross section and vertical section be trapezoidal bracket column (2), be arranged at bracket column (2) top cross dome brick (1) and be arranged at bracket column (2) with loading end (5) between by some layers brick become support portion (4), the aperture surface (6) of described bracket column (2) is an inclined-plane, and the described dome brick (1) of crossing aligns near the end face of the stove heart and the aperture surface (6) of bracket column (2).

2. 125 tons of coke dry quenching furnace bracket columns according to claim 1, it is characterized in that: the height of described bracket column (2) is 2548mm, angle between aperture surface (6) and the loading end (5) of described bracket column (2) is 76.11 °, described bracket column (2) is from bottom to top by four layers of brick one-tenth, and the width of described every layer of brick is 189mm.