Method and apparatus for expanding clay granules专利检索-旋流燃烧器燃烧器燃烧器和锅炉专利检索查询-专利查询网

Method and apparatus for expanding clay granules

阅读：134发布：2023-12-26

专利汇可以提供Method and apparatus for expanding clay granules专利检索，专利查询，专利分析的服务。并且A method and apparatus for expanding clay granules with the steps of producing a hot gas stream in a combustion chamber as an axially streaming, swirling gas stream, introducing the axially streaming, swirling gas stream into a treatment chamber having a narrowing bottom portion as an ascending gas stream which does not fill the entire cross section of the chamber, and introducing a charge of granules into the treatment chamber to be carried along by the ascending gas stream, the granules being permitted to leave the gas stream, fall back under the effect of gravity and recirculate until all of the granules of the charge are completely expanded. The swirling gas stream is tangentially fed into the combustion chamber through slots in the vicinity of the bottom portion thereof, and fuel is atomized into the gas stream by a burner having nozzles and arranged centrally in the combustion chamber at the bottom thereof. The interior of the combustion chamber may be partitioned by two walls, the gas flowing upwardly around one wall and downwardly between the walls before passing into the central area of the combustion chamber.，下面是Method and apparatus for expanding clay granules专利的具体信息内容。

权利要求

1. A method for expending clay granules in a hot gas stream within a treatment chamber, comprising the steps of: a. forming a hot ascending gas stream in a combustion chamber in the form of an axially streaming, swirling gas stream having a cross section which is less than the largest cross section of the treatment chamber; b. introducing a charge of granules directly into the hot ascending swirling gas stream in order to carry the granules upwardly in the treatment chamber, to permit the granules to leave the gas stream and return, under the effect of gravity and outside of the gas stream, to the end of the treatment chamber at which the gas stream enters and thereby to be reintroduced into the ascending gas stream, and recirculating the granules until they are all completely expanded; c. discontinuing the gas stream when the granules of the charge are completely expanded; and d. discharging the expanded charge.

2. The method of claim 1, further including the step of providing an insert-free combustion chamber.

3. The method of claim 2, wherein the step of forming a hot gas stream includes the step of producing the swirling gas stream with sufficient energy for the granules entering the stream to leave it in the lower portion of the treatment chamber due to the centrifugal force exerted on them.

4. Apparatus for expanding clay granules, comprising in combination: a. a treatment chamber having an axis and in which a charge of granules is introduced to be carried along by an ascending, axially streaming, swirling gas stream; and b. a combustion chamber having a bottom portion and arranged for providing the axially streaming, swirling gas stream and defining slots near the bottom portion thereof through which gas is tangentially fed into said combustion chamber, and means centrally arranged in the bottom portion of said chamber for atomizing fuel into the stream of gas being tangentially fed through said slots.

5. The apparatus defined in claim 4, wherein said combustion chamber is defined by a wall portion having two walls arranged such that the gas will flow between said walls on a helical path.

6. The apparatus defined in claim 5, further including an intermediate wall arranged between said two walls to partition same into two chambers which are connected with one another by a baffle zone arranged near the upper portion of said combustion chamber, the respective walls arranged such that gas flows upward with a helical movement in the first of said chambers and downwardly with a helical movement in the second of said chambers, said slot being arranged such that the downwardly moving gas in the second of said chambers enters the combustion chamber while retaining the helical motion and become the axially streaming, swirling gas stream.

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Method and apparatus for expanding clay granules

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