System and method for monitoring particles in solution

Patent metadata

Field	Value
Publication number	US-9625365-B2
Application number	US-201514631861-A
Country	US
Kind code	B2
Filing date	Feb 26, 2015
Priority date	May 16, 2014
Publication date	Apr 18, 2017
Grant date	Apr 18, 2017

Abstract

An apparatus for mixing a solution includes first and second tanks, a sampling element, a flow control element, a mixing assembly, first and second air-intake systems, and first and second air-exhaust systems. The first tank has a first chamber. The second tank has a second chamber. The sampling element has an extraction port located in the first chamber. The flow control element connects and communicates with the first chamber. Two opposite ends of the mixing assembly connect and communicate with the first chamber and the second chamber, respectively. The first air-intake system and the first air-exhaust system connect and communicate with the first chamber. The second air-intake system and the second air-exhaust system connect and communicate with the second chamber.

First claim

What is claimed is:

1. A system for monitoring particles in a solution, comprising:
a solution mixing apparatus configured to extract a first solution with a fixed volume as well as dilute and mix the first solution at a predetermined ratio to form a sample solution, wherein the solution mixing apparatus comprises:
a first tank having a first chamber and a first fluid inlet and placing the first solution;
a sampling element connected to the first chamber;
a flow control element connecting and communicating with the first chamber through the first fluid inlet, so as to control a volume of a second solution flowing into the first tank;
a second tank having a second chamber; and
a mixing assembly, comprising a mixer and two second conduits respectively connecting and communicating with two opposite ends of the mixer, wherein the two second conduits respectively connect and communicate with the first chamber and the second chamber; and

an analysis equipment connected to the solution mixing apparatus, the analysis equipment comprising:
an aerosolization apparatus configured to extract the sample solution and aerosolize the sample solution into a plurality of aerosol particles;
a particle size classifier connected to the aerosolization apparatus and configured to receive the aerosolized particles and classify the aerosolized particles by sizes; and
a particle counter connected to the particle size classifier and configured to receive these classified aerosolized particles and count the number of the classified aerosolized particles.

2. The system according to claim 1 , wherein the first tank further comprises a first air-intake port and a first air-exhaust port, the first fluid inlet, the first air-intake port, and the first air-exhaust port connecting and communicating with the first chamber, the solution mixing apparatus further comprises:
a first air-intake system and a first air-exhaust system respectively connecting and communicating with the first chamber through the first air-intake port and the first air-exhaust port; and
a first conduit and a first switch valve arranged on the first conduit, the first tank further having a second fluid inlet, the second fluid inlet connecting and communicating with the first chamber, the second fluid inlet connecting and communicating with a pipeline through the first conduit.

3. The system according to claim 1 , wherein the sampling element is a syringe pump, a peristaltic pump, or a sample loop with a pump.

4. The system according to claim 1 , wherein the sampling element comprises an infusion valve and a sampling valve, the sampling valve connects and communicates with the first tank, the infusion valve connects and communicates with the sampling valve, the first solution is infused into the sampling valve through the infusion valve and infused into the first chamber from the sampling valve, and the sampling valve has a micro-dosing pipe for infusing the first solution with a predetermined volume into the first chamber.

5. The system according to claim 2 , wherein the first air-intake system comprises:
a first air-intake equipment;
a first air-intake conduit, two opposite ends of the first air-intake conduit connecting and communicating with the first air-intake port and the first air-intake equipment, respectively; and
a first air-intake valve arranged on the first air-intake conduit.

6. The system according to claim 2 , wherein the first air-exhaust system comprises:
a first air-exhaust equipment;
a first air-exhaust conduit, two opposite ends of the first air-exhaust conduit connecting and communicating with the first air-exhaust port and the first air-exhaust equipment, respectively; and
a first air-exhaust valve arranged on the first air-exhaust conduit.

7. The system according to claim 1 , wherein the second tank further has a second air-intake port and a second air-exhaust port, the second air-intake port and the second air-exhaust port respectively connecting and communicating with the second chamber, the solution mixing apparatus further comprises:
a second air-intake system and a second air-exhaust system respectively connecting and communicating with the second chamber through the second air-intake port and the second air-exhaust port.

8. The system according to claim 1 , wherein the mixer is a static mixer and the mixing assembly further comprises:
two second switch valves respectively arranged on the two second conduits;
a drain conduit connecting and communicating with the second conduit between the first tank and the mixer; and
a drain switch valve arranged on the drain conduit.

9. The system according to claim 1 , further comprising:
a connection conduit, two opposite ends of the connection conduit respectively connecting with the first chamber and the second chamber;
two third ports valves arranged on the two opposite ends of the connection conduit;
a drain conduit connecting and communicating with the connection conduit; and
a drain switch valve arranged on the drain conduit.

10. The system according to claim 7 , wherein the second air-intake system comprises:
a second air-intake equipment;
a second air-intake conduit, two opposite ends of the second air-intake conduit connecting with the second air-intake port and the second air-intake equipment, respectively; and
a second air-intake valve arranged on the second air-intake conduit.

11. The system according to claim 7 , wherein the second air-exhaust system comprises:
a second air-exhaust equipment;
a second air-exhaust conduit, two opposite ends of the second air-exhaust conduit connecting and communicating with the second air-exhaust port and the second air-exhaust equipment, respectively; and
a second air-exhaust valve arranged on the second air-exhaust conduit.

12. The system according to claim 7 , further comprising a controller controlling the sampling element, the flow control element, the first air-intake system, the first air-exhaust system, the second air-intake system, and the second air-exhaust system.

13. The system according to claim 7 , wherein air driven by the first air-intake system, the first air-exhaust system, the second air-intake system, and the second air-exhaust system comprises compressed air, nitrogen, or an inert gas.

14. The system according to claim 1 , wherein the aerosolization apparatus comprises:
a sample solution guiding inlet connecting and communicating with the solution mixing apparatus;
an aerosolized particle guiding outlet opposite to the sample solution guiding inlet;
an aerosolization generator comprising:
an aerosolized aperture located between the sample solution guiding inlet and the aerosolized particle guiding outlet;
a high-pressure air guiding inlet connected to the aerosolized aperture;
a heating element, the aerosolized aperture being arranged between the sample solution guiding inlet and the heating element; and
a drying element, the aerosolized aperture being arranged between the sample solution guiding inlet and the drying element.

15. The system according to claim 14 , wherein the heating element or the drying element is located in front of or in the rear of the aerosolized particle guiding outlet.

16. The system according to claim 1 , wherein the particle size classifier comprises:
an aerosolized particle guiding inlet connecting and communicating with the aerosolization apparatus;
a particle size classification chamber connecting and communicating with the aerosolized particle guiding inlet;
a neutralizer arranged between the aerosolized particle guiding inlet and the

Assignees

• Ind Tech Res Inst

Inventors

• Ho Hsin-Chia
• Chen Guo-Dung
• Fu Wei-En
• Lin Yen-Liang

Classifications

• G01N2015/0038

  Investigating nanoparticles · CPC title

• G01N15/0266 Primary

  with electrical classification · CPC title

• G01N1/28

  Preparing specimens for investigation {including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q}(mounting specimens on microscopic slides G02B21/34; means for supporting the objects or the materials to be analysed in electron microscopes H01J37/20 {; laboratory gas handling apparatus B01L5/00}) · CPC title

• G01N1/38

  Diluting, dispersing or mixing samples · CPC title

• G01N15/10

  Investigating individual particles · CPC title