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Automated vacuum waste handling system

a waste handling system and vacuum technology, applied in the direction of liquid handling, liquid transferring devices, machines/engines, etc., can solve the problems of large volume of liquid waste generated by high-throughput screening instruments, significant and expensive losses of material and equipment, and large volume of liquid was

Inactive Publication Date: 2005-01-13
MERCK & CO INC
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0004] This invention relates to an automated vacuum liquid waste handling system having two or more waste vessels, with a liquid-level sensor, a means for filling the waste vessels with waste, a means for switching from the first waste vessel, once full, to one or more other waste vessels that are not full, and a means for simul...

Problems solved by technology

Where hazardous waste chemicals are not properly controlled the manufacturing facilities that utilize the chemicals can be shut down, resulting in significant and expensive losses of material and equipment.
Also, high-levels of volatile organic compounds (VOCs) can be generated by waste chemicals, and the control of such VOCs is a significant problem.
As an example, high throughput screening instruments generate a large volume of liquid waste.
Some disadvantages with high throughput screening liquid waste disposal are that it is currently a manual process and it can require waste disposal when robotics operators are not on-site.

Method used

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Embodiment Construction

[0007] The present invention relates to an automated vacuum liquid waste handling system that minimizes human contact and allows full waste vessels to be emptied automatically at any time of the day, without requiring an operator to be present.

[0008] As shown in FIG. 1 (illustrating a system with 2 waste vessels), the automated vacuum waste handling system (50) comprises liquid waste production source (19), liquid waste supply lines (9) and (10) each having at least one 2-way control valve (12) and (13), liquid waste vessels (1) and (11) each having liquid-level sensors (22) and (33), respectively, and three openings (5), (6) and (7) and (5a), (6a) and (7a), respectively, liquid waste output lines (10a) and (9a) each having at least one 2-way control valve (12a) and (13a), removal pump (40), vacuum source lines (10b) and (9b), each vacuum source line having a 3-way control valve (14) and (15) attached thereto, vacuum pump (20) and T-joints (2), (3) and (4).

[0009] The liquid waste ...

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Abstract

This invention relates to an automated vacuum liquid waste handling system having two or more waste vessels, with a liquid-level sensor, a means for filling the waste vessels with waste, a means for switching from the first waste vessel, once full, to one or more other waste vessels that are not full, and a means for simultaneously removing said waste from the first full waste vessel to output holding stations and filling another waste vessel so that waste collection is not interrupted.

Description

BACKGROUND OF THE INVENTION [0001] The collection of depleted and contaminated chemicals from chemical processing equipment is an important facet of all manufacturing processes that utilize such chemicals. Where hazardous waste chemicals are not properly controlled the manufacturing facilities that utilize the chemicals can be shut down, resulting in significant and expensive losses of material and equipment. Also, high-levels of volatile organic compounds (VOCs) can be generated by waste chemicals, and the control of such VOCs is a significant problem. Therefore, a need exists for reliable, automated waste chemical collection systems, and particularly systems such as those liquid waste collection systems disclosed in U.S. Pat. Nos. 5,148,945 and 6,148,846. However, there is a need for improvement of these systems. [0002] As an example, high throughput screening instruments generate a large volume of liquid waste. With existing high throughput screening instruments, the large volume...

Claims

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Application Information

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IPC IPC(8): B67D7/02B67D7/78
CPCB67D7/78B67D7/0283Y10T137/3109
Inventor BERRY, KURTIS B.CASSADAY, JASON A.HODDER, PETER S.KOLODIN, D. GARRETT
Owner MERCK & CO INC
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