Pre-heating apparatus in rotary kiln plant专利检索-回转窑炉窑专利检索查询-专利查询网

Pre-heating apparatus in rotary kiln plant

阅读：185发布：2024-02-12

专利汇可以提供Pre-heating apparatus in rotary kiln plant专利检索，专利查询，专利分析的服务。并且Pre-heating Apparatus for pre-heating pulverous raw material (e.g. cement raw meal) prior to its introduction into a rotary kiln for burning is disclosed. In construction the pre-heating apparatus includes four strings of treating units, each unit including separation and heat exchange zones, wherein the units of each string are disposed in series superimposed relationship in communication with the kiln and wherein the four strings are arranged symmetrically with respect to determined planes oriented with respect to the kiln axis and kiln outlet.，下面是Pre-heating apparatus in rotary kiln plant专利的具体信息内容。

权利要求

1. Apparatus for pre-heating pulverous raw material used for producing cement or the like in a rotary kiln having a gas outlet end comprising: a. four strings of raw meal treating units, each including a heat exchange zone in which the pulverous material and kiln smoke gases are brought into heat exchange relationship, and a separation zone in which the pulverous material entrained in a smoke gas stream from the kiln is separated from the gas, each string separately communicating with a single through-going substantially vertical smoke gas conduit connected to the gas outlet end of the kiln such that they are disposed independently of the three other strings in a manner which permits independent operation of one or more strings when one or more strings is entirely inoperable from the outlet of the kiln, each string including a plurality of said treating units arranged in series superimposed communicating relationship with respect to each other with said strings being interconnected at the lower portions by material outlet pipes to said single through-going conduit, said strings being arranged substantially vertically and symetrically with respect to a first plane extending vertically through the kiln axis and with respect to a second plane disposed in perpendicular relationship to said first plane adjacent the kiln outlet such that the gas flow and the raw material flow in each string is along independent and substantially similar paths; b. supply means for delivering the pulverous material into each string via the treating unit thereof most remotely located relative to the kiln outlet; and c. means for moving the hot kiln gases through the treating units of each string in a direction countercurrent to the direction of flow of pulverous material therethrough.

2. Apparatus according to claim 1 wherein each string includes four of said treating units.

3. Apparatus according to claim 1 wherein the treating units of each string located nearest the kiln are disposed in communicating relationship with respect to the single substantially vertical conduit which is disposEd in direct communicating relationship to the kiln.

4. Apparatus according to claim 3 wherein the treating units of each string located nearest the kiln communicate in pairs with an intermediate conduit which is disposed in communicating relationship with respect to said common conduit.

5. Apparatus according to claim 4 wherein each string of treating units comprises four stages of left and right cyclones in staggered relationship to one another.

6. Apparatus according to claim 5 wherein the upper treating unit of each string includes a twin cyclone separator.

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Pre-heating apparatus in rotary kiln plant

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