Claims
- 1. An apparatus for dosing a liquid in manufacturing paper products, the apparatus comprising:
a mixed fluid conduit carrying a mixed fluid to be directed to an application station, at least a portion of the mixed fluid being a starch material from a starch material source; a starch material source feeding starch within a starch material supply line to the mixed fluid conduit; a resin source feeding resin within a resin supply line to the mixed fluid conduit; and a mixing section of the mixed fluid conduit dispersing the resin throughout the starch material.
- 2. The apparatus of claim 1, further comprising a resin control system in series with the resin supply line for manipulating the flow of the resin into the mixed fluid conduit.
- 3. The apparatus of claim 2, wherein:
the resin control system comprises:
a first valve set to supply a first predetermined amount of the resin to the mixed fluid conduit, a second valve, in parallel with the first valve, and set to supply a second predetermined amount of the resin to the mixed fluid conduit, and a secondary resin control mechanism that enables selective flow of the resin through the first valve and the second valve; and the resin supply line includes a primary valve enabling selective fluid communication between the resin source and the mixed fluid conduit, or the resin source and an auxiliary outlet.
- 4. The apparatus of claim 3, further comprising:
a tank having:
a mixed fluid inlet in fluid communication with the mixed fluid conduit, and a mixed fluid outlet delivering the mixed fluid to an application station; and a mixed fluid valve which controls the flow of mixed fluid entering the tank from the mixed fluid conduit; and a monitor for monitoring the level of the mixed fluid within the tank.
- 5. The apparatus of claim 4, further comprising:
a first pump pumping the mixed fluid between the application station and the tank; a resin pump pumping the resin from the resin source; and a container with limited openings for retaining coagulated material produced at the application station which is pumped to the tank.
- 6. The apparatus of claim 1, wherein the mixed fluid conduit includes mixing articles to develop or maintain mixing of the resin and the starch material.
- 7. The apparatus of claim 1, further comprising:
a tank having:
a mixed fluid inlet accepting a mixed fluid delivered via the mixed fluid conduit, and a mixed fluid outlet through which the mixed fluid passes therethrough and subsequently directed to the application station; and a mixed fluid valve controlling the mixed fluid entering the tank from the mixed fluid conduit
- 8. The apparatus of claim 7, wherein:
at least a portion of the mixed fluid from the application station is cycled back to the tank; and the tank has a volume of less than 250 gallons.
- 9. The apparatus of claim 7, further comprising a resin control system in series with the resin supply line for manipulating the resin entering the mixed fluid conduit.
- 10. The apparatus of claim 9, wherein:
the resin control system comprises:
a first valve set to supply a first predetermined amount of the resin to the mixed fluid conduit, a second valve, in parallel with the first valve, and set to supply a second predetermined amount of the resin to the mixed fluid conduit, and a secondary resin control mechanism that enables selective flow of the resin through the first valve and the second valve; and the resin supply line includes a primary valve enabling selective fluid communication between the resin source and the mixed fluid conduit, or the resin source and an auxiliary outlet.
- 11. The apparatus of claim 10, further comprising a monitor for monitoring the level of the mixed fluid within the tank.
- 12. The apparatus of claim 11, wherein:
the monitor includes a float within the tank responsive to a variation of the level of the mixed fluid within the tank; and the primary valve is a three-way valve enabling selection between being closed, open to the auxiliary outlet and open to the mixed fluid conduit.
- 13. The apparatus of claim 12, further comprising:
a first pump pumping the mixed fluid between the application station and the tank; a resin pump pumping the resin from the resin source; and a container with limited openings retaining coagulated material produced at the application station.
- 14. The apparatus of claim 13, wherein:
the tank has a volume of less than 250 gallons; the resin pump is a fluid operated diaphragm pump; and the primary valve is in series with a check valve prohibiting the starch material from exiting the mixed fluid conduit and into fluid communication with the primary valve.
- 15. The apparatus of claim 9, wherein:
the resin supply line includes a primary valve enabling selective fluid communication between the resin source and the mixed fluid conduit, or the resin source and an auxiliary outlet; and the resin control system comprises:
a first resin pathway including a first solenoid valve in series with a first control valve set to supply a first predetermined amount of the resin through the primary valve, a second resin pathway, in parallel with the first resin pathway, including a second solenoid valve in series with a second control valve set to supply a second predetermined amount of the resin through the primary valve, and a secondary resin control mechanism that enables selective flow of the resin through the first pathway and the second pathway.
- 16. The apparatus of claim 15, further comprising a monitor for monitoring the level of the mixed fluid within the tank.
- 17. The apparatus of claim 16, wherein:
the monitor includes a float within the tank responsive to a variation of the level of the mixed fluid within the tank; and the primary valve is a three-way valve enabling selection between being closed, open to the auxiliary outlet and open to the mixed fluid conduit.
- 18. The apparatus of claim 17, wherein:
the float provides feedback to an electronic control that controls amount of mixed fluid entering the tank via the mixed fluid inlet, the operation of the primary valve and the resin control system; the electronic control opens a mixed fluid valve at the mixed fluid inlet and opens the primary valve whenever the feedback from the float indicates the level of the mixed fluid within the tank is below a predetermined operating level; and the electronic control system closes the mixed fluid valve and closes the primary valve whenever the feedback from the float indicates the level of the mixed fluid within the tank is at or above a predetermined operating level.
- 19. The apparatus of claim 18, wherein:
the first valve is set such that the resin passing through the primary valve and into the mixed fluid conduit results in the mixed fluid being water resistant upon curing; and the second valve is set such that the resin passing through the primary valve and into the mixed fluid conduit results in the mixed fluid being waterproof upon curing.
- 20. The apparatus of claim 7, further comprising:
a monitor for monitoring the level of the mixed fluid within the tank; and a primary valve in series with the resin supply line enabling selective fluid communication between the resin source and the mixed fluid conduit, or the resin source and an auxiliary outlet.
- 21. The apparatus of claim 20, wherein:
the monitor includes a float within the tank responsive to a variation in level of the mixed fluid within the tank; and the primary valve is a three-way valve enabling selection between being closed, open to the auxiliary outlet and open to the mixed fluid conduit.
- 22. The apparatus of claim 21, further comprising a resin control system in series with the resin supply line for manipulating the resin flow to the mixed fluid conduit.
- 23. The apparatus of claim 22, wherein the resin control system comprises:
a first valve set to supply a first predetermined amount of the resin to the mixed fluid conduit; a second valve, in parallel with the first valve, set to supply a second predetermined amount of the resin to the mixed fluid conduit; and a secondary resin control mechanism that enables selective flow of the resin through the first valve and the second valve.
- 24. The apparatus of claim 23, wherein:
the tank has a volume of less than 250 gallons; and the mixed fluid conduit includes mixing articles to develop or maintain mixing of the resin and the starch material.
- 25. The apparatus of claim 23, wherein:
the float provides feedback to a primary control mechanism having control over the primary valve, the resin control system, the mixed fluid valve and a starch material pump; the primary control mechanism opens the mixed fluid valve and opens the primary valve whenever the feedback from the float indicates the level of the mixed fluid within the tank is below a predetermined operating level; and the primary control mechanism closes the mixed fluid valve and closes the primary valve whenever the feedback from the float indicates the level of the mixed fluid within the tank is at or above a predetermined operating level.
- 26. The apparatus of claim 25, wherein:
the first valve is set such that the amount of the resin passing through the primary valve and into the mixed fluid conduit results in the mixed fluid being water resistant upon curing; the second valve is set such that the amount of resin passing through the primary valve and into the mixed fluid conduit results in the mixed fluid being waterproof upon curing; and the secondary resin control mechanism comprises:
a first solenoid valve in series with the first valve, and a second solenoid valve in series with the second valve.
- 27. A method of dosing a liquid in manufacturing paper products, the method comprising the steps of:
directing resin from a resin source within a resin supply conduit to a mixed fluid conduit; directing a starch material from a starch material source within a starch material supply conduit to the mixed fluid conduit; mixing the resin and starch material within a mixing section of the mixed fluid conduit; and directing the mixed fluid to an application station.
- 28. The method of claim 27, further comprising the step of manipulating the flow of the resin into the mixed fluid conduit via a resin control system in series with the resin supply conduit, wherein the step of manipulating the flow of the resin includes placing in parallel a first restrictor valve and a second restrictor valve, such that the first restrictor valve enables a first predetermined amount of resin to flow therethrough and the second restrictor valve enables a second predetermined amount of resin to flow therethrough.
- 29. The method of claim 28, further comprising the steps of:
directing into a tank the mixed fluid from the mixed fluid conduit, the tank having a mixed fluid outlet; monitoring the level of mixed fluid within the tank; directing the mixed fluid between the application station and the tank; and pumping the resin from the resin source to the mixed fluid conduit; filtering coagulated material produced at the application station from the mixed fluid directed to the tank.
- 30. The method of claim 27, wherein the mixing step utilizes a mixing article facilitating random flow patterns of the mixed fluid.
- 31. The method of claim 27, further comprising the step of directing into a tank the mixed fluid from the mixed fluid conduit, the tank having a mixed fluid outlet.
- 32. The method of claim 31, further comprising the step of cycling at least a portion of the mixed fluid between the application station and the tank.
- 33. The method of claim 32, further comprising the step of manipulating the resin flowing into the mixed fluid conduit by including a resin control system in series with the resin supply conduit.
- 34. The method of claim 33, wherein:
the manipulating step includes:
restricting the resin flowing within the resin supply conduit by providing at least two restrictor valves in parallel; eliminating the resin potentially flowing through at least the two valves by providing at least two shut-off valves, one in series with each restrictor valve; and providing a primary valve in series with the resin supply conduit providing selective fluid communication between the resin source and the mixed fluid conduit, or the resin source and an auxiliary outlet.
- 35. The method of claim 34, further comprising the step of monitoring the level of the mixed fluid within the tank, wherein the monitoring includes utilizing a float responsive to a variation of the level of the mixed fluid within the tank.
- 36. The method of claim 35, further comprising the steps of:
pumping the mixed fluid between the application station and the tank; pumping the resin from the resin source; filtering coagulated material produced at the application station from the mixed fluid pumped to the tank; and prohibiting the starch material from entering the resin supply conduit.
- 37. The method of claim 33, wherein:
the manipulating step includes:
directing the resin flowing within the resin supply conduit into at least two parallel pathways, therafter providing for a single path for the resin flowing within the resin supply conduit; and eliminating the resing flowing potentially through at least the two parallel pathways by providing at least two solenoid valves, one in series with each pathway.
- 38. The method of claim 37, further comprising the step of monitoring the level of the mixed fluid within the tank, wherein the monitoring includes utilizing a float responsive to a variation of the level of the mixed fluid within the tank.
- 39. The method of claim 38, further comprising the step of receiving feedback upon monitoring the level of the tank, wherein the feedback is utilized to control at least:
the flow of the mixed fluid entering the tank, and the flow of the resin passing entering the mixed fluid conduit.
- 40. The method of claim 39, wherein the directing sub-step of the manipulating step provides an amount of the resin flowing in a first pathway that, upon mixing with the starch material, provides water resistance to the mixed fluid upon curing, and wherein the directing sub-step of the manipulating step provides an amount of the resin flowing in a second pathway that, upon mixing with the starch material, provides waterproofing to the mixed fluid upon curing.
- 41. The method of claim 31, further comprising the steps of:
monitoring the level of the mixed fluid within the tank; manipulating the resin entering the mixed fluid conduit by providing a resin control system in series with the resin supply conduit; and cycling at least a portion of the mixed fluid between the application station and the tank.
- 42. The method of claim 41, wherein:
the monitoring step includes utilizing a float responsive to a variation of the level of the mixed fluid within the tank; and the manipulating step includes:
providing a first valve in series with the resin supply conduit, providing a second valve in series with the resin supply conduit, and providing a selective control mechanism enabling selective flow of the resin through the first valve and the second valve.
- 43. The method of claim 42, wherein the mixing step is facilitated at least in part by mixing articles within the mixed fluid conduit developing or maintaining random flow patters of the resin and starch material.
- 44. The method of claim 43, further comprising the step of receiving feedback upon monitoring the level of the tank, wherein the feedback is utilized to control:
the flow of the mixed fluid entering the tank, and the flow of the resin passing entering the mixed fluid conduit.
- 45. The method of claim 44, wherein the manipulating step includes:
providing an amount of resin flowing in a first pathway that upon mixing with the starch material provides water resistance to the mixed fluid upon curing; and providing an amount of resin flowing in a second pathway that upon mixing with the starch material provides waterproofing to the mixed fluid upon curing.
- 46. A method of manufacturing paper goods utilizing starch based adhesives, comprising the steps of:
delivering a resin from a resin source to a localized holding tank having a capacity under 250 gallons; delivering a starch material from a starch material source to the localized holding tank; mixing the resin and the starch material resulting in the production of an adhesive having at least water resistance; and delivering the adhesive from the localized holding tank to an application station.
- 47. The method of claim 46, further comprising the steps of:
cycling at least a portion of the adhesive between the localized holding tank and the application station; and filtering the adhesive returning to the localized holding tank to remove coagulated material.
CROSS-REFERENCE TO RELATED APPLICATION
[0001] This application claims the benefit of U.S. Provisional Application Serial No. 60/308,527, entitled “DAY TANK DOSER”, filed on Jul. 30, 2001, which is hereby incorporated in its entirety by reference.
Provisional Applications (1)
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Number |
Date |
Country |
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60308527 |
Jul 2001 |
US |