Cooler system for rotary kiln and method
阅读：573发布：2024-01-22
专利汇可以提供Cooler system for rotary kiln and method专利检索，专利查询，专利分析的服务。并且A method is disclosed for intensifying the cooling of hot granular material exiting from a series of cooler tubes mounted in planetary fashion around a rotary drum by introducing a cooling liquid into the cooler tubes in a manner such that the liquid contacts the hot granular material as it passes therethrough and the heat of evaporation of the liquid intensifies the cooling of the material. A planetary cooler system for cooling material exiting from such cooler tubes is also disclosed in which means is provided for introducing cooling liquid preferably in the form of a spray so as to contact the material exiting from the cooler tube and intensify the cooling of the granular material as it passes through the cooler tubes.，下面是Cooler system for rotary kiln and method专利的具体信息内容。
1. A method of cooling granular material exiting from a series of cooler tubes mounted in planetary fashion around a rotary drum such as a rotary kiln mounted for rotation about a rotational axis comprising directing a cooling liquid to at least one liquid carrying conduit rotating with the drum and positioned with its liquid exit end portion facing the material outlet end of its associated cooler tube, selectively discharging said cooling liquid from said conduit as reguired for cooling said granular material such that cooling liquid directed from said conduit to said cooler tube enters the material outlet end portion of the cooler tube and moves generally axially along the cooler tube so as to contact the hot granular material to provide cooling thereof as the material passes therethrough while simultaneously providing cooling of said granular material with air passing through said cooler tube in a direction opposite to the direction of material movement throughout at least a portion of the circular path of movement of said cooler tube.
2. The method according to claim 1 further comprising introducing water into each of said cooler tubes to cool said granular material.
3. The method according to claim 2 further comprising introducing said cooling liquid into said cooler tubes in the form of a spray.
4. The method according to claim 2 further comprising supplying said cooling liquid to said cooler tubes under the influence of gravity.
5. The method according to claim 4, further comprising introducing said cooling liquid into said cooler tubes adjacent to the material outlet ends of said cooler tubes.
6. The method according to claim 5 further comprising injecting said cooling liquid into the material outlet end of each cooler tube.
7. A method according to claim 1 further comprising sensing the temperature of the granular material in said cooler tubes to be cooled and introducing cooling liquid by automatically controlling said liquid supplied in dependence upon the sensed temperature of said material.
8. A method according to claim 2 further comprising sensing the temperature of the granular material in said cooler tubes to be cooled and introducing cooling water by automatically controlling said water supplied in dependence upon the sensed temperature of said material.
9. The method according to claim 7 further comprising sensing the temperature of the granular material after exiting from the cooler tubes.
10. The method according to claim 8 further comprising sensing the temperature of the granular material after exiting from the cooler tubes.
11. The method of cooling granular material exiting from a series of cooler tubes mounted in planetary fashion around a rotary kiln according to claim 2 further comprising introducing cooling water into a conduit surrounding the drum, permitting the cooling water to flow under the influence of gravity from said conduit through liquid carrying conduits extending from positions spaced along the periphery of the first mentioned conduit to each cooler tube and mounted for rotation with the drum and cooler tubes such that the water flowing to each cooler tube is dependent upon the water directed to said first mentioned conduit and the radial position of the cooler tubes as they rotate through their circular path of movement.
12. A method of intensifying the cooling action of cooler tubes mounted in planetary fashion around a rotary kiln mounted for rotation about a rotational axis, said tubes being arranged to receive hot granular maTerial from the outlet portion of said kiln for cooling therein comprising introducing cooling liquid into an endless common conduit surrounding the kiln and mounted for rotation with the kiln, permitting the cooling liquid to flow under the influence of gravity from said first endless conduit to a series of liquid carrying conduits arranged such that one end portion of each of the last mentioned conduits faces the material outlet end of its associated cooler tube, the other end communicating with said endless conduit at spaced positions along the periphery thereof, selectively introducing cooling liquid into said endless common conduit as required for cooling said granular material, permitting the cooling liquid to flow under the influence of gravity from said endless common conduit to the series of liquid carrying conduits, thereby providing cooling of said granular material passing through each cooler tube while simultaneously cooling said material with air passing through the cooler tube in a direction opposite to the direction of material movement throughout at least a portion of the circular path of movement of said cooler tube.
13. A planetary cooler system for cooling hot material exiting from a rotary drum such as a rotary kiln which comprises an assembly of cooler tubes mounted in planetary fashion around the rotary drum with the axes of the tubes and the rotary axis of the drum in substantially parallel relation and arranged such that material treated in the drum passes from the exit portions of the drum into one end of each cooler tube and moves axially along the cooler tubes while being cooled by air passing in a direction opposite to the material through the tubes, at least one conduit capable of carrying a cooling liquid and mounted for rotation with the drum, said conduit being positioned with its liquid exit end portion facing the material outlet end of its associated cooler tube for simultaneous movement therewith, means for selectively directing a cooling liquid to said conduit and from said conduit into the material outlet end portion of the cooler tube throughout at least a portion of the circular path of movement of said cooler tube so as to contact the granular material to provide cooling thereof simultaneously with the cooling provided by air passing therethrough.
14. The planetary cooler system according to claim 13 further comprising at least one cooling liquid conduit associated with each cooler tube, each conduit being positioned with its liquid exit end portion facing the material exit end portion of the associated cooler tube.
15. The planetary cooler system according to claim 14 wherein said means for introducing said cooling liquid comprises at least one spray nozzle arranged to produce a spray of cooling liquid in at least one cooler tube.
16. The planetary cooler system according to claim 14 wherein said means for introducing said cooling liquid comprises at least one nozzle for injecting the cooling liquid into the mateial outlet ends of the cooler tubes.
17. The planetary cooler system according to claim 15 wherein said means for introducing said cooling liquid comprises at least one nozzle for injecting the cooling liquid into the material outlet ends of the cooler tubes.
18. The planetary cooler system according to claim 6 further comprising a stationary housing adapted to receive material discharged from said cooler tubes, each nozzle being fixed to said housing.
19. The planetary cooler system according to claim 17 further comprising a stationary housing adapted to receive material discharged from said cooler tubes, each nozzle being fixed to said housing.
20. The planetary cooler system according to claim 13 wherein said cooling liquid conduit comprises an individual liquid supply pipe which extends into each cooler tube to direct cooling liquid into the material outlet end portion of the cooler tube.
21. The planetary cooler system according to claim 14 wherein said cooling liquid conduit comprises an indivIdual liquid supply pipe which extends into each cooler tube to direct cooling liquid into the material outlet end portion of the cooler tube.
22. The planetary cooler system according to claim 20 wherein said individual supply pipes are connected at one end to a common duct which rotates with said cooler tubes, the other end extending into the material outlet end of each cooler tube, and said cooling liquid is maintained under pressure within said duct.
23. The planetary cooler system according to claim 21 wherein said individual supply pipes are connected at one end to a common duct which rotates with said cooler tubes, the other end extending into the material outlet end of each cooler tube, and said cooling liquid is maintained under pressure within said duct.
24. The planetary cooler system according to claim 22 further comprising at least one cooling liquid reservoir which rotates with said cooler tubes, said reservoir including a shovel bucket positioned and configured to lift cooling liquid from a stationary reservoir as said cooler system rotates, and a pump mounted for rotation with said cooler tubes, said pump being connected to draw cooling liquid from said rotating reservoir and pump it into said common duct to thereby maintain the pressure within said duct and to supply the individual liquid supply pipes with liquid for cooling said material exiting from said cooler tubes.
25. The planetary cooler system according to claim 23 further comprising at least one cooling liquid reservoir which rotates with said cooler tubes, said reservoir including a shovel bucket positioned and configured to lift cooling liquid from a stationary reservoir as said cooler system rotates, and a pump mounted for rotation with said cooler tubes, said pump being connected to draw cooling liquid from said rotating reservoir and pump it into said common duct to thereby maintain the pressure within said duct and to supply the individual liquid supply pipes with liquid for cooling said material exiting from said cooler tubes.
26. The planetary cooler system according to claim 20 further comprising a common cooling liquid carrying duct surrounding the kiln and mounted to rotate therewith and said individual supply pipes are supplied with cooling liquid under the influence of gravity from said common duct.
27. The planetary cooler system according to claim 21 further comprising a common cooling liquid carrying duct surrounding the kiln and mounted to rotate therewith and said individual supply pipes are supplied with cooling liquid under the influence of gravity from said common duct.
28. The planetary cooler system according to claim 26 wherein said common duct comprises a radially outwardly open annular trough which surrounds said cooler tubes and which is supplied with cooling liquid from above, said trough being divided into a plurality of sections, each section being connected to one of the individual pipes leading to said cooler tubes.
29. The planetary cooler system according to claim 27 wherein said common duct comprises a radially outwardly open annular trough which surrounds said cooler tubes and which is supplied with cooling liquid from above, said trough being divided into a plurality of sections, each section being connected to one of the individual pipes leading to said cooler tubes.
30. A kiln plant which includes a rotary kiln having a planetary cooler system for cooling hot treatment granular material exiting from the outlet portions of said kiln comprising an assembly of cooler tubes mounted in planetary fashion about the rotary kiln with the axis of the cooler tubes in substantially parallel relation with the rotary axis of the kiln, the outlet end of the rotary kiln being coupled to the material inlet ends of each cooler tube such that hot material enters said cooler tubes and moves therealong to a material outlet end configured and adapted to receive cooling air therein in counter current to the flow of material therethrough, an endless cOmmon conduit surrounding the kiln and mounted for rotation simultaneously therewith, a series of cooling water pipes extending from said common conduit at an angle relative to the plane passing through the axis of the kiln and the axis of the associated cooler tube, each water pipe extending into its associated cooler tube adjacent the material outlet portion thereof and having connected at its end portion closest to the cooler tube a means for distributing cooling water substantially uniformly into said cooler tube, means for selectively directing cooling water to said common conduit such that water collecting in said common conduit flows under the influence of gravity to said cooling water pipes into the inlet end portion of each cooler tube in a direction counter current to the material flowing through the cooler tube, said angle of each water pipe permitting amounts of water to flow to said cooler tubes required to cool the hot granular material simultaneously with air passing therethrough sufficiently to reduce its temperature to acceptable levels.
31. The kiln plant according to claim 30 wherein the material outlet end of the rotary kiln forms the drum of the planetary cooler to which the planetary cooler tubes are attached.
32. The rotary kiln plant according to claim 31 wherein said means connected to each cooling water pipe for distributing water into each cooler tube comprises a conical protective baffle connected to each cooling water pipe at the end portion extending into its associated cooler tube in a manner such that water therethrough flows to the inner portion of said baffle while the apex of said baffle is positioned to face the stream of cooling air such that the uniform distribution of said cooling air about the conical portion of said baffle combines with the water flowing through the inner portion thereof and causes the water to be distributed uniformly to the cooler tube throughout at least a portion of its circular path of movement to intensify the cooling of the hot granular material passing therethrough.
33. A planetary cooler system for cooling hot material exiting from a rotary kiln which comprises an assembly of cooler tubes mounted in planetary fashion around the rotary drum with the axes of the tubes and the rotary axis of the drum in substantially parallel relation and arranged such that material treated in the drum passes from the exit portions of the drum into one end of each cooler tube and moves axially along the cooler tubes while being cooled by air passing in a direction opposite to the material through the tubes, a common duct mounted for rotation with the kiln, at least one liquid supply pipe associated with each cooler tube, each pipe being mounted for rotation with the kiln and capable of carrying a cooling liquid, each pipe being positioned with its liquid exit end portion facing the material outlet end of its associated cooler tube as it rotates simultaneously therewith and its opposite end portion communicating with said common duct, at least one cooling liquid reservoir mounted for rotation with said cooler tubes, said reservoir including a shovel bucket positioned and configured to lift cooling liquid from a stationary reservoir as said cooling system rotates, a centrifugal pump mounted for rotation with said cooler tubes, said pump being connected to draw cooling liquid from said rotating reservoir and pump it into said common duct such that the liquid flows from said common duct to said liquid supply pipes facing the material outlet end portions of the cooler tubes, a variable electrically powered motor connected such that its pumping speed is controlled in dependence upon the temperature of the granular material, sensing means adapted to measure the temperature of the granular material and to emit a signal which controls said pump in proportion thereto to provide said cooling liquid to said cooler tubes throughout at least a portion of the circular path of movement of said cooler tubes as necessary to cool the granular maTerial to predetermined acceptable levels.
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