Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
376 words
Apparatus for pyroprocessing into sinter raw material pellets having a reaction temperature and containing moisture, said apparatus having: a. a rotary kiln adapted to receive said raw material pellets at one end of said rotary kiln and to move said raw material pellets along a path of movement in said rotary kiln to the other end of said rotary kiln, b. heating means adjacent said other end of said rotary kiln for directing a heated fluid through said rotary kiln, c. said rotary kiln having a drying means adjacent said one end of said rotary kiln for heating said raw material pellets by said heated fluid to substantially remove said moisture in said raw material pellets, d. cooling means communicating with said drying means for mixing a cooling fluid with said heated fluid to limit the temperature in said drying means below the temperature at which said raw material pellets explode due to rapid heating to a deleteriously high temperature, e. said rotary kiln having a preheating zone adjacent said drying means further along said path of movement for heating said raw material pellets to a temperature below said reaction temperature, f. said rotary kiln having a reaction zone adjacent said other end of said rotary kiln for heating said raw material pellets above said reaction temperature to pyroprocess said raw material pellets into said sinter, and g. restriction means between said preheating zone and said reaction zone for damming a reservoir of said raw material pellets adjacent said restriction means so that said reservoir of said raw material pellets are protected from the direct radiation of said heated fluid and the temperature of said reservoir of said raw material pellets remains unaffected by instantaneous changes in the temperature of said heated fluid, 1. said restriction means being operable to meter minimum layers of said raw material pellets into said reaction zone so that said minimum layers of said raw material pellets are individually and rapidly heated to said reaction temperature by said heated fluid and said raw material pellets are converted into said sinter, and 2. said restriction means being operable to reflect heat from said heated fluid into said reaction zone so that paid reaction temperature is attained with a reduced amount of fuel.
Claim 2
Dependent Claim
376 words
Apparatus for pyroprocessing into sinter raw material pellets having a reaction temperature and containing moisture, said apparatus having: a. a rotary kiln adapted to receive said raw material pellets at one end of said rotary kiln and to move said raw material pellets along a path of movement in said rotary kiln to the other end of said rotary kiln, b. heating means adjacent said other end of said rotary kiln for directing a heated fluid through said rotary kiln, c. said rotary kiln having a drying means adjacent said one end of said rotary kiln for heating said raw material pellets by said heated fluid to substantially remove said moisture in said raw material pellets, d. cooling means communicating with said drying means for mixing a cooling fluid with said heated fluid to limit the temperature in said drying means below the temperature at which said raw material pellets explode due to rapid heating to a deleteriously high temperature, e. said rotary kiln having a preheating zone adjacent said drying means further along said path of movement for heating said raw material pellets to a temperature below said reaction temperature, f. said rotary kiln having a reaction zone adjacent said other end of said rotary kiln for heating said raw material pellets above said reaction temperature to pyroprocess said raw material pellets into said sinter, and g. restriction means between said preheating zone and said reaction zone for damming a reservoir of said raw material pellets adjacent said restriction means so that said reservoir of said raw material pellets are protected from the direct radiation of said heated fluid and the temperature of said reservoir of said raw material pellets remains unaffected by instantaneous changes in the temperature of said heated fluid, 1. said restriction means being operable to meter minimum layers of said raw material pellets into said reaction zone so that said minimum layers of said raw material pellets are individually and rapidly heated to said reaction temperature by said heated fluid and said raw material pellets are converted into said sinter, and 2. said restriction means being operable to reflect heat from said heated fluid into said reaction zone so that paid reaction temperature is attained with a reduced amount of fuel.
Claim 3
Dependent Claim
29 words
said restriction means being operable to reflect heat from said heated fluid into said reaction zone so that paid reaction temperature is attained with a reduced amount of fuel.
Claim 4
Dependent Claim
29 words
said restriction means being operable to reflect heat from said heated fluid into said reaction zone so that paid reaction temperature is attained with a reduced amount of fuel.
Claim 5
Independent Claim
221 words
A method for pyroprocessing into sinter, raw material pellets having a reaction temperature and containing moisture, said method including the steps of: a. receiving said raw material pellets at one end of a rotary kiln and moving said raw material pellets along a path of movement in said rotary kiln to the other end of said rotary kiln, b. directing a heated fluid through said rotary kiln, c. heating said raw material pellets by said heated fluid adjacent said one end of said rotary kiln to substantially remove the moisture in said raw material pellets, d. mixing a cooling fluid with said heated fluid to limit the temperature during the removal of said moisture below the temperature at which said raw material pellets explode due to rapid heating to a deleteriously high temperature, e. heating said raw material pellets in a preheating zone of said rotary kiln further along said path of movement to a temperature below said reaction temperature, f. damming a reservoir of said raw material pellets adjacent said preheating zone and further along said path of movement so that said reservoir of said raw material pellets is protected from the direct radiation of said heated fluid, the temperature of said reservoir of said raw material pellets remaining unaffected by instantaneous changes in the temperature of said heated fluid,
Claim 6
Independent Claim
221 words
A method for pyroprocessing into sinter, raw material pellets having a reaction temperature and containing moisture, said method including the steps of: a. receiving said raw material pellets at one end of a rotary kiln and moving said raw material pellets along a path of movement in said rotary kiln to the other end of said rotary kiln, b. directing a heated fluid through said rotary kiln, c. heating said raw material pellets by said heated fluid adjacent said one end of said rotary kiln to substantially remove the moisture in said raw material pellets, d. mixing a cooling fluid with said heated fluid to limit the temperature during the removal of said moisture below the temperature at which said raw material pellets explode due to rapid heating to a deleteriously high temperature, e. heating said raw material pellets in a preheating zone of said rotary kiln further along said path of movement to a temperature below said reaction temperature, f. damming a reservoir of said raw material pellets adjacent said preheating zone and further along said path of movement so that said reservoir of said raw material pellets is protected from the direct radiation of said heated fluid, the temperature of said reservoir of said raw material pellets remaining unaffected by instantaneous changes in the temperature of said heated fluid,
Claim 7
Dependent Claim
38 words
The apparatus recited in claim 1 wherein said drying means is a drying zone of said rotary kiln, said drying zone being provided with a partition on said rotary kiln for separating said raw material pellets into streams.
Claim 8
Dependent Claim
17 words
The apparatus recited in claim 3 and having a baffle between said partition and said cooling means.
Claim 9
Dependent Claim
21 words
The apparatus recited in claim 1 wherein said drying means is in communication with said one end of said rotary kiln.
Claim 10
Dependent Claim
30 words
The apparatus recited in claim 1 wherein said cooling means has a shroud member disposed about said rotary kiln and a cooling fluid supply means connected to said shroud member.
Claim 11
Dependent Claim
20 words
The apparatus recited in claim 6 wherein said rotary kiln carries an inlet member in communication with said shroud member.
Claim 12
Dependent Claim
29 words
The apparatus recited in claim 1 and having pumping means in communication with said one end of said rotary kiln for moving said heated fluid through said rotary kiln.
Claim 13
Dependent Claim
22 words
The apparatus recited in claim 1 and having cooler means adjacent said other end of said rotary kiln for cooling said sinter.
Claim 14
Dependent Claim
52 words
The apparatus recited in claim 1 and having valve means associated with said heating means, reaction zone temperature measuring means adjacent said reaction zone for measuring said reaction zone temperature and a first control means connected to said valve means and said reaction zone temperature measuring means for controlling said heating means.
Claim 15
Dependent Claim
46 words
The apparatus recited in claim 8 and having pressure measuring means adjacent said other end of said rotary kiln, and a second control means connected to said pumping means and said pressure measuring means for controlling the flow of said heated fluid through said rotary kiln.
Claim 16
Dependent Claim
45 words
The apparatus recited in claim 1 and having drying temperature measuring means associated with said drying means and a third control means connected to said drying temperature measuring means and said cooling means for controlling the flow of said cooling fluid into said drying means.
Claim 17
Dependent Claim
28 words
The method recited in claim 2 wherein the heating of said raw material pellets by said heated fluid is performed in a preheating zone of said rotary kiln.
Claim 18
Dependent Claim
36 words
The method recited in claim 2 wherein the heating of said raw material pellets by said heated fluid is performed in a drying means which is in communication with said one end of said rotary kiln.
Claim 19
Dependent Claim
38 words
The method recited in claim 2 and including the step of separating said raw material pellets into streams while heating said raw material pellets by said heated fluid to substantially remove the moisture in said raw material pellets.
Claim 20
Dependent Claim
19 words
The method recited in claim 2 and including the step of pumping said heated fluid through said rotary kiln.
Claim 21
Dependent Claim
14 words
The method recited in claim 2 and including the step of cooling said sinter.
Claim 22
Dependent Claim
31 words
The method recited in claim 2 and including the steps of: a. measuring the reaction zone temperature, and b. controlling the temperature of said heated fluid directed through said rotary kiln.
Claim 23
Dependent Claim
36 words
The method recited in claim 2 and including the steps of: a. measuring the pressure adjacent said other end of said rotary kiln, and b. controlling the flow of said heated fluid through said rotary kiln.
Claim 24
Dependent Claim
29 words
The method recited in claim 2 and including the steps of: a. measuring the drying temperature, and b. controlling the flow of said cooling fluid into said heated fluid.