CN201155775Y - Chimney structure for emitting acid gases - Google Patents

Abstract

The utility model discloses a chimney structure for discharging acid gas. A lower chimney section (1) is provided with linings laid by acidproof bricks and outer walls made of concrete; and a whole upper chimney section is laid by acidproof bricks. Compared with the prior art, the chimney structure provided by the utility model can improve the anticorrosion performance of the top of the chimney against acid gas, thereby prolonging the service life of the chimney, reducing the maintenance and reducing the maintenance cost.

Description

The chimney structure of discharging sour gas

Technical field

The utility model relates to a kind of chimney that discharges sour gas.

Background technology

A lot of factories can be by the smoke stack emission sour gas owing to technological requirement.Common way is with concreting chimney outer wall, builds chimney lining by laying bricks or stones with acidproof brick again.If the gas acidity of smoke stack emission is stronger, because concrete acid resistance is poor, the concrete of chimney top is corroded easily.The chimney top concrete strength reduces like this, must strengthen could guaranteeing the maintenance of chimney top the normal use of chimney.As shown in Figure 1, being the common structure of the chimney of discharging sour gas, is the whole height H with concrete cast chimney outer wall, and builds chimney lining with acidproof brick by laying bricks or stones in whole height H scope.There are the following problems for such structure: the one, and the sour gas of chimney top combines with atmosphere, it is poor owing to concrete acid resistance with the outer walls of concrete of chimney top to form acidic liquid absorption, the outer walls of concrete of chimney top is very easily corroded, cause chimney short service life, the 2nd, because the corrosion part is in the chimney top, the position height, maintenance difficult.

The utility model content

The technical problems to be solved in the utility model is: a kind of chimney structure that discharges sour gas is provided, and this structure can improve the corrosion resistance of chimney top, improves service life, overcomes the deficiencies in the prior art.

The utility model is taked following technical scheme: for the acid strong chimney of emission gases, it is that epimere is built by laying bricks or stones with acidproof brick as a whole that the most serious part is corroded in the chimney top, hypomere is divided into outer wall and liner is two-layer, and wherein liner is built by laying bricks or stones with acidproof brick, the outer wall concrete for making.

Owing to adopted technique scheme, the utility model compared with prior art can improve the resistance to corrosion of chimney top to sour gas, has improved the chimney life-span, reduces and safeguards, saves maintenance cost.

Description of drawings:

Fig. 1 is the chimney structure schematic diagram of prior art, and wherein H is the height of chimney.

Fig. 2 is a chimney structure schematic diagram of the present utility model, and wherein H1 is the height of chimney hypomere 1, and H2 is the height of chimney epimere 2.

The specific embodiment

Embodiment of the present utility model: describe in conjunction with Fig. 2, begin construction from chimney bottom, use the outer wall of concrete construction hypomere 1 earlier, build the liner of chimney hypomere 1 again by laying bricks or stones with acidproof brick, construct behind the H1 height, build chimney epimere 2 by laying bricks or stones with acidproof brick, (whole section height H 2 of chimney epimere 2 all built by laying bricks or stones with acidproof brick).Like this, all built by laying bricks or stones, can improve the resistance to corrosion of chimney top, improved the chimney life-span, reduce and safeguard, save maintenance cost sour gas with acidproof brick owing to corrode in the most serious chimney epimere H2 scope.

Claims (1)

1. chimney structure that discharges sour gas, it is characterized in that: chimney hypomere (1) liner is an acidproof brick, and outer wall is a concrete; Chimney epimere (2) integral body is acidproof brick.

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