Method and apparatus for dispensing solid product
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B05B-003/04
B08B-003/04
B08B-003/00
G07F-011/72
B01D-011/02
B67D-005/00
B01F-001/00
B05B-007/26
B05B-012/08
출원번호
US-0180987
(2016-06-13)
등록번호
US-9901884
(2018-02-27)
발명자
/ 주소
Carroll, R. Ryan S.
Carbone, II, Henry L.
Wensman, Charles E.
White, Bruce W.
Morey, John D.
출원인 / 주소
Ecolab USA Inc.
대리인 / 주소
Fredrikson & Bryon, P.A.
인용정보
피인용 횟수 :
0인용 특허 :
43
초록▼
A dispensing system includes a dispenser, a logic device, a nozzle, a diluent source, and a solid product. The logic device controls spray on and spray off cycles to pulse diluent supplied to the nozzle. The diluent contacts the solid product to dissolve a portion of the solid product and create a u
A dispensing system includes a dispenser, a logic device, a nozzle, a diluent source, and a solid product. The logic device controls spray on and spray off cycles to pulse diluent supplied to the nozzle. The diluent contacts the solid product to dissolve a portion of the solid product and create a use solution. Pulsing the spray of diluent controls the concentration of the dispensed product in the use solution by limiting the amount of excess dilutant added to the dispensed product. The product is more consistently dispensed and the concentration of the dispensed product in the use solution is more consistent. Additionally, the concentration of the dispensed product in the use solution can be controlled by changing at least one of a volume of diluent dispensed through the nozzle, a pressure of diluent, a pulsed diluent spray frequency, and a pulsed diluent spray duration.
대표청구항▼
1. A method of dispensing a solid product, comprising: placing a solid product in a cavity of a dispenser having a nozzle in fluid communication with a diluent source, the diluent source supplying a diluent to the nozzle;controlling nozzle spray on and spray off cycles to pulse the diluent onto a su
1. A method of dispensing a solid product, comprising: placing a solid product in a cavity of a dispenser having a nozzle in fluid communication with a diluent source, the diluent source supplying a diluent to the nozzle;controlling nozzle spray on and spray off cycles to pulse the diluent onto a surface of the solid product as a pulsed diluent spray to dissolve a portion of the solid product and create a use solution during a product dispensing process, wherein the pulsed diluent spray increases a concentration of the dissolved solid product in the use solution by limiting an amount of excess diluent in the use solution during the product dispensing process;detecting a level of the use solution in a reservoir;turning off a timing device when a desired level of the use solution is detected; andturning on the timing device when a lower level than the desired level of the use solution is detected, wherein the timing device controls the nozzle spray on and spray off cycles when the timing device is turned on. 2. The method of claim 1, further comprising changing at least one of a volume of diluent dispensed through the nozzle, a pressure of diluent, a pulsed diluent spray frequency, and a pulsed diluent spray duration to adjust the concentration of the dissolved solid product in the use solution. 3. The method of claim 1, further comprising utilizing a closed loop control system to control the pulsed diluent. 4. The method of claim 3, wherein the closed loop control system utilizes at least one of a load cell to measure weight loss of the solid product, a conductivity cell to measure the concentration of the dissolved solid product in the use solution, and a refractometer to measure the concentration of the dissolved solid product in the use solution. 5. The method of claim 1, further comprising utilizing an open loop control system to control the pulsed diluent. 6. The method of claim 5, wherein the open loop control system adjusts pulsed spray of diluent based on diluent temperature. 7. The method of claim 5, wherein the open loop control system adjusts pulsed spray of diluent based on ambient temperature. 8. A method of dispensing a solid product, the method comprising: housing a solid product above a sump that is configured to hold a concentrated solution;dissolving the solid product to generate the concentrated solution in the sump with a pulsed dilute spray using a spray cycle that directs the pulsed dilute spray on the solid product for a select amount of time that maximizes contact of the dilute spray with the solid product during an on portion of the spray cycle and maximizes a residence time of the dilute spray on the solid product during an off portion of the spray cycle to allow the dilute spray to dissolve a portion of the solid product before a next spray cycle is run so the concentration solution has a high concentration of the dissolved solid product relative to a concentration that would occur with the use of a non-pulsed spray;detecting a level of the concentrated solution in the sump;turning off a timing device when a desired level of the concentrated solution is detected; andturning on the timing device when a lower level than the desired level of the concentrated solution is detected, wherein the timing device controls the spray cycle when the timing device is turned on. 9. The method of claim 8, further comprising: preventing backflow in a dilute supply line with a vacuum breaker assembly. 10. The method of claim 8, further comprising: reducing overspray of the dilute spray on the solid product. 11. The method of claim 8, further comprising: adjusting at least one of pulsed spray frequency and pulsed spray duration of a spray cycle using the timing device to achieve a desired concentration of the dissolved solid product in the concentration solution. 12. The method of claim 8, further comprising: measuring the concentration of the dissolved solid product in the concentration solution. 13. The method of claim 8, further comprising: adjusting at least one of pulsed spray frequency and pulsed spray duration of a spray cycle to account for changes in environmental conditions. 14. The method of claim 8, further comprising: adjusting at least one of pulsed spray frequency and pulsed spray duration of a spray cycle based on at least one of diluent temperature and ambient temperature. 15. The method of claim 8, further comprising: adjusting at least one of pulsed spray frequency and pulsed spray duration of a spray cycle based at least in part on diluent pressure. 16. The method of claim 8, further comprising: adjusting at least one of pulsed spray frequency and pulsed spray duration of a spray cycle based at least in part on water hardness of diluent. 17. The method of claim 8, further comprising: measuring a weight loss of the solid product. 18. A method of dispensing a solid product, the method comprising: housing a solid product above a sump that is configured to hold a concentrated solution;dissolving the solid product to generate the concentrated solution in the sump with a pulsed dilute spray using a spray cycle that directs the pulsed dilute spray on the solid product for a select amount of time that maximizes contact of the dilute spray with the solid product during an on portion of the spray cycle and maximizes a residence time of the dilute spray on the solid product during an off portion of the spray cycle to allow the dilute spray to dissolve a portion of the solid product before a next spray cycle is run so the concentration solution has a high concentration of the dissolved solid product relative to a concentration that would occur with the use of a non-pulsed spray;detecting a level of the concentrated solution in the sump;turning off a timing device when a desired level of the concentrated solution is detected;turning on the timing device when a lower level than the desired level of the concentrated solution is detected, wherein the timing device controls the spray cycle and the next spray cycle when the timing device is turned on so as to control the select amount of time;preventing backflow of the concentrated solution in a diluent supply line; andselectively dispensing the concentrated solution from the sump. 19. The method of claim 18, wherein the timing device controls the spray cycle such that the on portion of the spray cycle is between 0.1 to 2.0 seconds and the off portion of the spray cycle is between 5 seconds to 5 minutes. 20. The method of claim 18, further comprising: conveying the concentrated solution from the sump to a mixer and mixing the concentrated solution with a diluent at the mixer to form a use solution.
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