CN101684985B

CN101684985B - Masonry method of bottom heat preservation and insulation bricks of annular heating furnace

Info

Publication number: CN101684985B
Application number: CN2008101517378A
Authority: CN
Inventors: 高美忠; 张鹏飞; 崔竹春; 张晓平
Original assignee: MCC Tiangong Construction Co Ltd
Current assignee: MCC Tiangong Construction Co Ltd
Priority date: 2008-09-24
Filing date: 2008-09-24
Publication date: 2011-08-17
Anticipated expiration: 2028-09-24
Also published as: CN101684985A

Abstract

The invention relates to a masonry method of an annular heating furnace bottom by using heat preservation and insulation bricks, comprising the following steps: (1) arraying and masoning the bricks by taking a radial cut-off rule of a bottom steel-structural steel plate of the annular heating furnace as a starting point along an opposite direction, annularly pressing 8 bricks from the starting point, and arraying and masoning the bricks by using 8 bricks and 6 bricks as one group; (2) sequentially masoning by hanging lines along a radial direction, remaining an expansion gap with the width of 10 mm between every two masoning blocks, masoning and spreading aluminium silicate fibre blanket sides with the thicknesses of 12 mm in the gaps, and supplementing vacancies by using cutting bricks when masoning to an outer ring beam according to the steps; (3) staggering the expansion gaps of a second layer and a first layer 100 mm from each other top and bottom; and masoning the heat preservation and insulation bricks of a third layer to a fifth layer in a similar way. The invention has fast masonry and short construction period, effectively reduces the labor intensity of workers, enhances the production efficiency, reduces the construction cost and the heat loss of the annular heating furnace and prolongs the service life, therefore, the masonry method of the annular heating furnace bottom by using the heat preservation and insulation bricks accords with national policies and has energy saving and emission reduction.

Description

Masonry method of bottom heat preservation and insulation bricks of annular heating furnace

Technical field

The invention belongs to the rotary heating furnace field, especially a kind of masonry method of bottom heat preservation and insulation bricks of annular heating furnace.

Background technology

In the process of rotary heating furnace construction, building by laying bricks or stones of bottom heat preservation and insulation bricks of annular heating furnace is a very important operation, the employed building method of bottom heat preservation and insulation bricks of annular heating furnace all is to be generally five layers by design size at present, each dilatation joint of every layer of masonry block is all formed by brick the building of cutting, this method is built by laying bricks or stones in brickwork and maintenance and is exposed a series of problems in the bottom heat preservation and insulation bricks: (1). because the large usage quantity that furnace bottom is laid bricks, every layer, each dilatation joint masonry block all needs to cut brick building just can meet design size, cause a large amount of bricks need process cutting, increased working strength of workers; (2). a large amount of cutting bricks need be processed cutting, and the brick major part under the cutting does not meet size and thrown away, and waste material increases cost; (3). a large amount of processing cutting bricks, cause the progress of building by laying bricks or stones slow, build by laying bricks or stones long in time limit; (4). a large amount of brick building on the furnace bottom of processing cutting, mortar joint is difficult to control well, influences masonry quality, and the furnace bottom globality of building by laying bricks or stones simultaneously is relatively poor, and service life is short, and radiation loss is big, does not meet the environmental protection policy of national energy-saving and emission-reduction.

Summary of the invention

The objective of the invention is to overcome the deficiencies in the prior art, a kind of masonry method of bottom heat preservation and insulation bricks of annular heating furnace is provided, this method builds that progress is fast by laying bricks or stones, the duration is short, effectively reduce labor strength, improved production efficiency, reduce construction cost, reduce the thermal loss in the rotary heating furnace, increase service life.

The present invention solves its technical problem and is achieved through the following technical solutions:

A kind of masonry method of bottom heat preservation and insulation bricks of annular heating furnace, the step of its building method is:

(1). with the furnace bottom steel construction steel plate of rotary heating furnace radially cut-off rule be that starting point is provided with masonry block, row's brick of each masonry block is at first initial from inner ring beam, the length of this row's brick, wide towards last and long to the footpath that remains on rotary heating furnace upwards, with three masonry blocks is one group, every group of masonry block parallel brick also built by laying bricks or stones, each masonry block is respectively by eight in each group, eight, six row's bricks constitute, stay between each masonry block and establish the wide dilatation joint of 10mm, with the paving while build by laying bricks or stones of the thick alumina silicate fibre blanket of 12mm, it is wide to make dilatation joint reach 10mm with the brick extruding when building by laying bricks or stones in the dilatation joint;

(2). continue in turn from interior ring fine strain of millet to outer shroud fine strain of millet direction radially unwrapping wire build by laying bricks or stones, build the outer-ring beam place in a manner described by laying bricks or stones, build five row's masonry blocks altogether by laying bricks or stones, then with the cutting brick with surplus empty polishing, ground floor finishes;

(3). carry out second layer unwrapping wire then and build by laying bricks or stones, its masonry way is identical with ground floor, but requires the second layer and ground floor to need the upper and lower 100mm that staggers mutually on the dilatation joint position;

(4). build five layers altogether by laying bricks or stones, the requirement of building by laying bricks or stones is same as step (3), promptly finishes the heat insulation brick of this rotary heating furnace furnace bottom and builds by laying bricks or stones.

And it is 4～5 bricks that described each masonry block is radially arranged the brick number.

Advantage of the present invention and beneficial effect are:

1. every layer of more traditional each dilatation joint masonry block of this masonry method of bottom heat preservation and insulation bricks of annular heating furnace all processed the masonry method of cutting brick, reduces by 2/3rds processing cutting brick quantity, reduces labour intensity, accelerating construction progress.

2. this masonry method of bottom heat preservation and insulation bricks of annular heating furnace reduces the useless brick rate of refratory insulating brick 2/3rds, saves material, reduce cost, owing to the full brick mortar joint easily guarantees, so the body of heater air-tightness of building by laying bricks or stones is good, globality is strong, radiation loss is little, long service life, energy savings, and the quantity of bottom heat preservation and insulation bricks processing cutting brick is few, impression is good, and mortar joint is easy to control, can ensure the quality of products preferably.

3. the present invention builds that progress is fast by laying bricks or stones, the duration is short, effectively reduces labor strength, has improved production efficiency, reduce construction cost, reducing the thermal loss in the rotary heating furnace, increase service life, is a kind of masonry method of bottom heat preservation and insulation bricks of annular heating furnace that meets national energy-saving and emission-reduction policy.

Description of drawings

Fig. 1 builds floor map for the present invention by laying bricks or stones at rotary heating furnace part bottom heat preservation and insulation bricks.

The specific embodiment

The invention will be further described below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.

A kind of masonry method of bottom heat preservation and insulation bricks of annular heating furnace wherein steps of the method are:

(1). with the furnace bottom steel construction steel plate of rotary heating furnace radially cut-off rule be that starting point is provided with masonry block 3, row's brick 2 of each masonry block is at first initial from inner ring beam 1, the length of this row's brick, wide towards last and long to the footpath that remains on rotary heating furnace upwards, and by eight, eight, the masonry block of six row's bricks is one group and arranges brick respectively and build by laying bricks or stones, it is 4～5 full sized bricks that each masonry block is radially arranged the brick number, the masonry block of six bricks is the masonry block at edge, stay between each masonry block and establish the wide dilatation joint 4 of 10mm, with the paving while build by laying bricks or stones of the thick alumina silicate fibre blanket of 12mm, it is wide to make dilatation joint reach 10mm with the brick extruding when building by laying bricks or stones in this dilatation joint;

(2). continue in turn from interior ring fine strain of millet to outer shroud fine strain of millet 6 directions radially unwrapping wire build by laying bricks or stones, build the outer-ring beam place in a manner described by laying bricks or stones, build five row's masonry blocks altogether by laying bricks or stones, then with cutting brick 5 with surplus empty polishing, ground floor finishes;

(4). build five layers altogether by laying bricks or stones, the requirement of masonry way is same as step (3), promptly finishes the heat insulation brick of this rotary heating furnace furnace bottom and builds by laying bricks or stones.

Claims

1. masonry method of bottom heat preservation and insulation bricks of annular heating furnace, it is characterized in that: the step of building method is:

2. masonry method of bottom heat preservation and insulation bricks of annular heating furnace according to claim 1 is characterized in that: it is 4～5 bricks that described each masonry block is radially arranged the brick number.