CN202226814U

CN202226814U - Coke can lid

Info

Publication number: CN202226814U
Application number: CN2011203960584U
Authority: CN
Inventors: 王晓峻; 赵福才; 王成刚; 任军
Original assignee: Baotou Iron and Steel Group Co Ltd
Current assignee: Baotou Iron and Steel Group Co Ltd; Inner Mongolia Baotou Steel Union Co Ltd
Priority date: 2011-10-10
Filing date: 2011-10-10
Publication date: 2012-05-23
Anticipated expiration: 2021-10-10

Abstract

A coke can lid relates to a component in a coke dry quenching hoisting machine, comprises a support, a headframe I-shaped rack, a coke can lower cover plate, a coke can upper cover plate, heat-resisting cellucotton felt and a seal plate, and is characterized in that a heat-resisting lining plate is arranged on the lower surface of the heat-resisting cellucotton felt, and is fixed on the coke can lower cover plate through a riveting bolt and a rivet nut; and the height of the seal plate is 280 to 320 mm. The utility model has the advantage that the service cycle of the conventional coke can lid can be prolonged, so as to greatly improve the economic benefit.

Description

A kind of coke jar cover

Technical field

The utility model relates to the parts in a kind of coke dry quenching hoister.

Background technology

Coke jar cover is the key equipment of lift, is used for isolated burnt jar of interior coke heat and flame to the baking of surrounding devices, avoids red burnt loss simultaneously.It is made up of framework, refractory materials and hermetic unit, and arm is suspending in midair downwards from top through suspension rod, and burnt jar that fills red Jiao rises to when treating the seat in the plane, and coke jar cover has been anchored on burnt jar and has reached sealing function.After accomplishing dress Jiaozhuo industry, coke jar cover is carried on a shoulder pole on the buffing pad on the support stand through the bracket on its top.

Baogang's dry coke quenching is since 2006 go into operation; Basically about 6 months, the phenomenon that often occurs blowing out because of coming off of its been provided with internal refractories causes that the large-area of refractory materials comes off to the life cycle of coke jar cover; And even the temperature distortion of body construction appears; The serious coke jar cover integral body that causes is scrapped, and can only when periodical repair, handle, and has a strong impact on dry coke quenching auxiliary ordinary production order.

Add up the analysis of several damaged coke jar cover damage process, generally the centre refractory materials comes off before this, causes becoming flexible, coming off of peripheral refractory materials, until scrapping.Coke in burnt jar is in the process of coke pushing, and coke forms a convex form naturally because of the factor of freely falling body in burnt jar, and its coke top directly contacts with the refractory materials of coke jar cover; Because of its space length deficiency; Partial refractory materials has received the extruding of coke jar cover, and the refractory materials warp is alternating stress load repeatedly, has caused coming off of local refractory materials; In narrow space, receive the phenomenon that occurs blowing out under inflammable gas and high-temperature gas (coke temperature can reach 1000 ℃) the double factor influence; Caused coming off of big area refractory materials, the coke jar cover body has caused the temperature distortion of body frame under the baking of high temperature coke; Can't realize sealing function, coke jar cover is scrapped in advance.The coke jar cover life cycle long at 6-7 month, the short cycle has only more than four months.

Summary of the invention

The purpose of the utility model provides a kind of coke jar cover that a kind of life cycle is long, can increase economic efficiency greatly.

The utility model purpose is achieved in that

A kind of coke jar cover; Comprise: bearing, derrick I-beam, burnt jar lower cover, burnt jar upper cover plate, heat resistance fiber cotton wool felt and sealing plate; It is characterized in that: heat-resisting liner plate is set on the lower surface of thermal fiber cotton wool felt; Heat-resisting liner plate is fixed on the burnt jar lower cover through rivet clasp bolt, riveted nuts, and the sealing plate height is between 280-320mm.

The utility model has the advantages that: sealing plate height between 280-320mm, the sealing plate of the coke jar cover before increases 80-120mm, strengthens the space between coke jar cover refractory materials and the coke, avoids refractory materials directly to contact with coke; On the lower surface of the thermal fiber cotton wool felt of refractory materials, heat-resisting liner plate is set, the type of attachment before the rivet clasp bolt on the heat-resisting liner plate and the mode of connection of coke jar cover have changed prevents to come off with the solid welding of heat-resistance stainless steel riveted nuts connection auxiliary electrical surely.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the upward view of utility model Fig. 1.

Among the figure: 1. bearing, 2. derrick I-beam, 3. burnt jar lower cover, 4. burnt jar upper cover plate, 5. heat resistance fiber cotton wool felt, 6. heat-resisting liner plate, 7. rivet clasp bolt, 8. riveted nuts, 9. sealing plate.

Embodiment

Embodiment:

A kind of coke jar cover; Comprise: bearing 1, derrick I-beam 2, burnt jar lower cover 3, burnt jar upper cover plate 4, heat resistance fiber cotton wool felt 5 and sealing plate 9; It is characterized in that: heat-resisting liner plate 6 is set on the lower surface of thermal fiber cotton wool felt 5; Heat-resisting liner plate 6 is fixed on the burnt jar lower cover through rivet clasp bolt 8, riveted nuts 9, and sealing plate 9 thickness are at 300mm.

The heat-resisting liner plate 6 that on the lower surface of burnt jar of lower cover 3 thermal fiber cotton wool felts, is provided with is that the identical stainless steel liner plate of polylith thickness is formed; Thickness δ=5mm; This polylith stainless steel liner plate is spliced into the shape that matches with burnt jar lower cover; The stainless steel lining panel material is 0Cr25Ni20, and the joint bolt on the heat-resisting liner plate 6 and the mode of connection of coke jar cover are welding processs, gets out bolt hole according to the distribution situation of joint bolt at the lower cover of coke jar cover; Connect with the stainless steel nut, the auxiliary electrical solid welding prevents to come off surely; Joint bolt also is that the auxiliary electrical solid welding is fixed with being connected of heat-resisting liner plate, prevents that bolt looseness from causing heat-resisting liner plate to break away from.

Use a kind of coke jar cover of the utility model,, repair the minimum repair of practicing thrift 1 coke jar cover of price 150,000, one year one cover dry coke quenching, just practice thrift 150,000 yuan of rehabilitation expenses/cover according to calculating by prolonging 6 months work-ing life;

Changing coke jar cover needs the repair time to calculate by 4 hours shortest times, steam turbine power generation amount: 10000kwh * 4h * 0.28 yuan/kwh=11200 unit/cover;

Aspect water saving, put out 1 ton of coke than 0.41 ton of coke wet quenching water saving because of whenever dried, 1 yuan of/ton calculating of water unit price,

Water saving profit P=water-saving amount Q2 * coke output Q1 * hour * water price * 3 covers=0.41 * 132 * 4 * 1 * 3=649.44 unit;

The steam that contains a large amount of phenol, prussiate, sulfide and dust when aspect environmental protection, having reduced coke wet quenching simultaneously effluxes; Having reduced the surrounding enviroment pollution reaches corrosion on Equipment; Obtained good social benefit, other extend benefit and calculate comparatively complicacy because of it, do not calculate here.

Through improved coke jar cover, the cycle can reach more than 1 year, practiced thrift a large amount of spare part expenses, and had guaranteed the stable of production.

Claims

1. coke jar cover; Comprise: bearing, derrick I-beam, burnt jar lower cover, burnt jar upper cover plate, heat resistance fiber cotton wool felt and sealing plate; It is characterized in that: heat-resisting liner plate is set on the lower surface of thermal fiber cotton wool felt; Heat-resisting liner plate is fixed on the burnt jar lower cover through rivet clasp bolt, riveted nuts, and the sealing plate height is between 280-320mm.

2. a kind of coke jar cover according to claim 1 is characterized in that: said heat-resisting liner plate is made up of the identical stainless steel liner plate of polylith thickness, and the stainless steel liner plate that this polylith thickness is identical is spliced into the shape that matches with burnt jar lower cover.