公开(公告)号：US4592803A

公开(公告)日：1986-06-03

申请号：US673271

申请日：1984-11-20

Applicant: Ben Damman ,  Jan Drijver ,  Hans Kinneging ,  Hans Scheffer ,  Jaap Stam ,  Paul de Witte

Inventor： Ben Damman ,  Jan Drijver ,  Hans Kinneging ,  Hans Scheffer ,  Jaap Stam ,  Paul de Witte

IPC: B01J2/04 ,  B01D1/18 ,  B01J19/26 ,  C01B25/41 ,  C01B25/42 ,  C01B25/30

CPC classification number: B01D1/18 ,  B01J19/26 ,  C01B25/414 ,  C01B25/425 ,  B01J2219/00157

Abstract: The disclosure relates to a process for making alkali metal phosphates, especially alkali metal polyphosphates, from alkali metal phosphate solutions or suspensions. To this end the solutions or suspensions are forced to flow through a plurality of single opening nozzle structures under a pressure of 6 to 66 bars and sprayed inside a tower through a flame zone produced by a plurality of burners arranged in annular fashion. The disclosure also relates to a device for carrying out the process, wherein a cylindrical spray tower (1) having a tapered lower end and being closed by means of a cover (2) has a solvent feed pipe (5) terminating in a spray means (6) centrally passed through the cover, and wherein a plurality of burners is passed through the cover (2), concentrically around the solvent feed pipe (5). The spray means (6) is comprised of a feed pipe (15) and at least one spray head (12), which has a plurality of single opening nozzle structures (17) disposed in its terminal surface area (13). At least one pressure-increasing pump ( 7) is disposed in the solvent feed pipe (5).

Abstract translation: 本公开涉及由碱金属磷酸盐溶液或悬浮液制备碱金属磷酸盐，特别是碱金属多磷酸盐的方法。 为此，溶液或悬浮液被迫在6至66巴的压力下流过多个单个开口喷嘴结构，并通过由以环形方式布置的多个燃烧器产生的火焰区域在塔内喷射。 本公开还涉及一种用于执行该方法的装置，其中具有锥形下端并通过盖（2）封闭的圆柱形喷射塔（1）具有以喷射装置终止的溶剂供给管（5） （6）集中地通过所述盖，并且其中多个燃烧器同心地围绕所述溶剂供给管（5）通过所述盖（2）。 喷雾装置（6）由进料管（15）和至少一个喷头（12）组成，喷头具有设置在其端表面区域（13）中的多个单开口喷嘴结构（17）。 至少一个增压泵（7）设置在溶剂进料管（5）中。

公开(公告)号：US4534946A

公开(公告)日：1985-08-13

申请号：US558777

申请日：1983-12-06

Applicant: Ben Damman ,  Hans Scheffer ,  Paul de Witte ,  Johannes Krause ,  Hans Haas ,  Werner Kowalski

Inventor： Ben Damman ,  Hans Scheffer ,  Paul de Witte ,  Johannes Krause ,  Hans Haas ,  Werner Kowalski

IPC: B01J19/24 ,  B01J19/26 ,  C01B25/41 ,  C01B25/30

CPC classification number: C01B25/414 ,  B01J19/2465 ,  B01J19/26 ,  B01J2208/00 ,  B01J2219/00105 ,  B01J2219/00121 ,  B01J2219/00157

Abstract: The disclosure relates to a process for making alkali metal polyphosphates, especially alkali metal triphosphates. To this end, the disclosure provides for an alkali metal phosphate solution or suspension to be forced through at least one nozzle and for them to be sprayed inside a spray tower through a flame zone produced by a one or more burners arranged in annular fashion. More particularly, the disclosure provides for fine particulate alkali metal polyphosphates, especially alkali metal triphosphates, to be additionally introduced into the spray tower from above and for them to be regularly distributed across the spray region(s) of the nozzle(s) with formation of agglomerated products.The disclosure also relates to an apparatus for carrying out the process. The apparatus is comprised of a cylindrical spray tower (1) having a tapered lower end (3) and being closed by means of a cover (2); a spray means (6) being passed centrally through the cover (2); a plurality of burners (11) and a solid matter feed means being passed through the cover concentrically with respect to the spray means (6) and so as to be spaced therefrom; and a bevelled issuing gas outlet (4) opening upwardly from the tapered end of the spray tower (1).

Abstract translation: 本公开涉及制备碱金属多磷酸盐，特别是碱金属三磷酸盐的方法。 为此，本公开内容提供了要强制通过至少一个喷嘴的碱金属磷酸盐溶液或悬浮液，并且它们通过由环形方式布置的一个或多个燃烧器产生的火焰区喷射在喷雾塔内。 更具体地，本公开内容提供细颗粒碱金属多磷酸盐，特别是碱金属三磷酸盐，从上方另外引入喷雾塔，并且它们被规则地分布在喷嘴的喷射区域之间，形成 的附聚产品。 本公开还涉及一种用于执行该过程的装置。 该装置由具有锥形下端（3）并通过盖（2）封闭的圆柱形喷射塔（1）组成; 喷雾装置（6）通过所述盖（2）中心地通过; 多个燃烧器（11）和固体物质进料装置相对于喷射装置（6）同心地穿过盖子并与其间隔开; 以及从喷雾塔（1）的锥形端部向上开口的倾斜的发出气体出口（4）。

公开(公告)号：US4501639A

公开(公告)日：1985-02-26

申请号：US399769

申请日：1982-07-19

Applicant: Ben Damman ,  Jan Drijver ,  Hans Kinneging ,  Hans Scheffer ,  Jaap Stam ,  Paul de Witte

Inventor： Ben Damman ,  Jan Drijver ,  Hans Kinneging ,  Hans Scheffer ,  Jaap Stam ,  Paul de Witte

IPC: B01J2/04 ,  B01D1/18 ,  B01J19/26 ,  C01B25/41 ,  C01B25/42 ,  C01B25/30

CPC classification number: B01D1/18 ,  B01J19/26 ,  C01B25/414 ,  C01B25/425 ,  B01J2219/00157

Abstract: The disclosure relates to a process for making alkali metal phosphates, especially alkali metal polyphosphates, from alkali metal phosphate solutions or suspensions. To this end the solutions or suspensions are forced to flow through a plurality of single opening nozzle structures under a pressure of 6 to 66 bars and sprayed inside a tower through a flame zone produced by a plurality of burners arranged in annular fashion. The disclosure also relates to a device for carrying out the process, wherein a cylindrical spray tower (1) having a tapered lower end and being closed by means of a cover (2) has a solvent feed pipe (5) terminating in a spray means (6) centrally passed through the cover, and wherein a plurality of burners is passed through the cover (2), concentrically around the solvent feed pipe (5). The spray means (6) is comprised of a feed pipe (15) and at least one spray head (12), which has a plurality of single opening nozzle structures (17) disposed in its terminal surface area (13). At least one pressure-increasing pump ( 7) is disposed in the solvent feed pipe (5).

Abstract translation: 本公开涉及由碱金属磷酸盐溶液或悬浮液制备碱金属磷酸盐，特别是碱金属多磷酸盐的方法。 为此，溶液或悬浮液被迫在6至66巴的压力下流过多个单个开口喷嘴结构，并通过由以环形方式布置的多个燃烧器产生的火焰区域在塔内喷射。 本公开还涉及一种用于执行该方法的装置，其中具有锥形下端并通过盖（2）封闭的圆柱形喷射塔（1）具有以喷射装置终止的溶剂供给管（5） （6）集中地通过所述盖，并且其中多个燃烧器同心地围绕所述溶剂供给管（5）通过所述盖（2）。 喷雾装置（6）由进料管（15）和至少一个喷头（12）组成，喷头具有设置在其端表面区域（13）中的多个单开口喷嘴结构（17）。 至少一个增压泵（7）设置在溶剂进料管（5）中。