Contact flash dryer and method of contact flash drying
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F26B-007/00
F26B-013/00
F26B-013/10
출원번호
US-0624756
(2009-11-24)
등록번호
US-8533973
(2013-09-17)
발명자
/ 주소
Ulrich, Dennis S.
Biastock, Richard A.
출원인 / 주소
Mac Engineering and Equipment Company, Inc.
대리인 / 주소
Barnes & Thornburg LLP
인용정보
피인용 횟수 :
0인용 특허 :
77
초록▼
An apparatus and method operations are provided for flash drying paste provided on strips of battery plate grids, wherein the paste is dried through contact with a plurality of heated rollers. The plurality of heated rollers are individually driven and heating of the heated rollers is controlled on
An apparatus and method operations are provided for flash drying paste provided on strips of battery plate grids, wherein the paste is dried through contact with a plurality of heated rollers. The plurality of heated rollers are individually driven and heating of the heated rollers is controlled on an individual basis with a feedback loop. The plurality of heated rollers are positioned so as to move the pasted strip of battery plates through contact with the heated rollers; as a result of this contact with the heated rollers, moisture is removed from the paste, so as to provide a pasted strip that with a sufficiently low moisture content to be divided into battery plate grids.
대표청구항▼
1. A flash dryer apparatus comprising: a first plurality of heated rollers rotating in a first direction, the heating and rotation of each of the first plurality of heated rollers being individually controlled;a second plurality of heated rollers rotating in a second direction, the heating and rotat
1. A flash dryer apparatus comprising: a first plurality of heated rollers rotating in a first direction, the heating and rotation of each of the first plurality of heated rollers being individually controlled;a second plurality of heated rollers rotating in a second direction, the heating and rotation of each of the second plurality of heated rollers being individually controlled anda control system configured to individually control rotation and heating of each of the heated rollers,wherein the first and second pluralities of heated rollers are provided in proximity to one another such that material carrying paste may be carried along a path provided between the first and second pluralities of heated rollers by contact with the first and second pluralities of heated rollers,wherein the contact of the first and second pluralities of heated rollers removes moisture from the paste carried on the material,wherein a speed of rotation and heating of each of the rollers included in first and second plurality of heated rollers are controlled by the control system on an individual basis,wherein the control of the heating of each heated roller is performed based on a feedback signal generated in each of the rollers indicating a surface temperature of the respective roller and wherein a rotation rate of each of the rollers is also controlled on an individual basis, andwherein a rotary coupler unit is provided for each of the heated rollers, each rotary coupler unit controlling heating thereof on an individual basis thereof as well as providing both electrical and data signal connection as well as maintaining that ability of each heated roller to rotate. 2. The flash dryer apparatus of claim 1, wherein the material carrying the paste is a continuous strip including a plurality of battery grid plates. 3. The flash dryer apparatus of claim 1, wherein the first direction is a counter clockwise direction and the second direction is a clockwise direction. 4. The flash dryer apparatus of claim 1, further comprising an upper carriage holding the first plurality of heated rollers and a lower carriage holding the second plurality of heated rollers. 5. The flash dryer apparatus of claim 4, further comprising a plurality of stop shim assemblies provided between the upper carriage and the lower carriage, the stop shim assemblies being configured to enable alteration of a distance between the upper carriage and the lower carriage so as to alter a distance between the plurality of first heated rollers and the plurality of second heated rollers. 6. The flash dryer apparatus of claim 1, wherein control of the rotation of the heated rollers is performed by the control system based on a feedback loop. 7. The flash dryer apparatus of claim 1, wherein the control system controls rotation of each heated roller of the first and second pluralities of heated rollers based on an operation rate of equipment preceding the flash dryer apparatus in a manufacturing line. 8. The flash dryer apparatus of claim 7, wherein the equipment preceding the flash dryer apparatus is pasting equipment configured to deposit paste on the material. 9. The flash dryer apparatus of claim 1, further comprising a plurality of scraper blades, each scraper blade corresponding to a heated roller of the first and second pluralities of heated rollers, wherein each scraper blade is positioned to contact and remove at least a portion of heated paste adhered to the heated roller. 10. The flash dryer apparatus of claim 9, further comprising a ventilation system provided in close proximity to the first and second pluralities of heated rollers and configured to operate to evacuate dried paste removed from the heated rollers out of an interior of the flash dryer apparatus. 11. The flash dryer apparatus of claim 10, wherein the ventilation system includes a plurality of ventilation ducts configured to remove paste dust suspended in air in the interior of the apparatus. 12. The flash dryer apparatus of claim 1, wherein the paste is lead oxide paste. 13. A flash drying method comprising: rotating a first plurality of heated rollers in a first direction, the heating and rotation of each one of the first plurality of heated rollers being individually controlled by a control system on an individual basis; androtating a second plurality of heated rollers in a second direction, the heating and rotation of each one of the second plurality of heated rollers being individually controlled by a control system on an individual basis,wherein the first and second pluralities of heated rollers are provided in proximity to one another such that material carrying paste may be carried along a path provided between the first and second pluralities of heated rollers by contact with the first and second pluralities of heated rollers, the method further comprising controlling heating of each of the heated rollers using a rotary coupler unit provided for each of the heated rollers, wherein the control of the heating of each of the heated rollers is performed on an individual basis and wherein a rotation rate of each of the rollers is also controlled on an individual basis, wherein each of the rotary coupler units provides both electrical and data signal connection as well as maintaining that ability of each heated roller to rotate, and wherein the control of the heating of each heated roller is performed based on a feedback signal generated in each of the rollers indicating a surface temperature of the respective roller and also based on the speed of rotation for each of the rollers. 14. The flash drying method of claim 13, wherein the material carrying the paste is a continuous strip including a plurality of battery grid plates. 15. The flash drying method of claim 13, wherein the first direction is a counter clockwise direction and the second direction is a clockwise direction. 16. The flash drying method of claim 13, wherein the first plurality of heated rollers are carried by an upper carriage and the second plurality of heated rollers are carried by a lower carriage, the upper and lower carriages being spaced apart from one another. 17. The flash drying method of claim 16, further comprising adjusting the distance between the upper and lower carriages by adjusting a plurality of stop shim assemblies provided between the upper carriage and the lower carriage, the stop shim assemblies being configured to enable alteration of a distance between the plurality of first heated rollers and the plurality of second heated rollers. 18. The flash drying method of claim 13, wherein the control of rotation of each heated roller of the first and second pluralities of heated rollers is based on an operation rate of equipment preceding equipment performing the flash drying method in a manufacturing line. 19. The flash drying method of claim 18, wherein the equipment preceding the equipment performing the flash dryer method is pasting equipment configured to deposit paste on the material. 20. The flash drying method of claim 13, further comprising removing at least a portion of heated pasted adhered to each of the heated rollers using a plurality of scraper blades, each scraper blade corresponding to a heated roller of the first and second pluralities of heated rollers, wherein each scraper blade is positioned to contact and remove at least a portion of heated paste adhered to the respective heated roller. 21. The flash drying method of claim 20, ventilating an area including the first and second pluralities of heated rollers so as to evacuate dried paste removed from the heated rollers. 22. The flash drying method of claim 21, wherein the ventilation of the area is performed using a plurality of ducts. 23. The flash drying method of claim 13, wherein the paste is lead oxide paste.
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이 특허에 인용된 특허 (77)
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