Water storage device and exhaust gas treatment system

Patent metadata

Field	Value
Publication number	US-11590451-B2
Application number	US-202117467627-A
Country	US
Kind code	B2
Filing date	Sep 7, 2021
Priority date	Jul 27, 2020
Publication date	Feb 28, 2023
Grant date	Feb 28, 2023

Abstract

The water storage device includes: a water storage cavity and a water inlet, the water inlet being configured to feed a solution into the water storage cavity, the water storage cavity being configured to store or discharge the solution and containing a viscous substance; a guide rod and a floating device movable along the guide rod, the floating device being movable as a water level in the water storage cavity changes, and the viscous substance between the guide rod and the floating device restraining movement of the floating device; and a water curtain casing, the water curtain casing being connected to the water inlet and configured to split a part of the solution from the solution fed from the water inlet, and the solution split by the water curtain casing being configured to flush the viscous substance between the guide rod and the floating device.

First claim

The invention claimed is:

1. A water storage device, comprising:
a water storage cavity and a water inlet, wherein the water inlet is configured to feed a solution into the water storage cavity, the water storage cavity is configured to store or discharge the solution, and the water storage cavity contains a viscous substance;
a guide rod and a floating device movable along the guide rod, wherein the floating device is movable as a water level in the water storage cavity changes, and the viscous substance between the guide rod and the floating device restrains movement of the floating device; and
a water curtain casing, wherein the water curtain casing is communicated with the water inlet, the water curtain casing is configured to split a part of the solution from the solution fed from the water inlet, and the solution split by the water curtain casing is configured to flush the viscous substance between the guide rod and the floating device.

2. The water storage device of claim 1 , wherein the water storage device further comprises a first region and a second region, the water curtain casing comprises a first casing and a second casing, the solution split by the first casing is configured to flush the viscous substance between the guide rod and the floating device in the first region, and the solution split by the second casing is configured to flush the viscous substance between the guide rod and the floating device in the second region.

3. The water storage device of claim 2 , wherein the water storage cavity has a low water level line and a high water level line, the first region comprises the high water level line, the second region comprises the low water level line, the floating device comprises a first floating device and a second floating device, the first floating device moves in the first region, and the second floating device moves in the second region.

4. The water storage device of claim 3 , wherein the water storage device further comprises a warning component configured to send out warning information when the floating device is at the low water level line or the high water level line.

5. The water storage device of claim 1 , wherein the solution flowing out of the water curtain casing flows along a direction of gravity.

6. The water storage device of claim 5 , wherein the water curtain casing comprises an inlet end and an outlet end, and the outlet end is arranged above the inlet end.

7. The water storage device of claim 1 , wherein the water curtain casing is arranged between the guide rod and the floating device, the floating device moves along the water curtain casing, and the solution split by the water curtain casing is configured to flush the viscous substance adhered to the water curtain casing.

8. The water storage device of claim 7 , wherein a second gap is formed between the water curtain casing and the floating device in a direction perpendicular to a side wall of the water curtain casing, and a width of the second gap ranges from 0.5 mm to 1.5 mm.

9. The water storage device of claim 7 , wherein the water curtain casing comprises a fixed casing and a surrounding casing, the fixed casing is configured to be fixed on the guide rod, the surrounding casing surrounds the fixed casing, a first gap is formed between the fixed casing and the surrounding casing, and the solution flows out through the first gap and flushes the viscous substance adhered to the water curtain casing, and wherein the guide rod is fixed in the fixed casing, and the water curtain casing is detachable relative to the guide rod.

10. The water storage device of claim 9 , wherein a width of the first gap in a direction perpendicular to a side wall of the water curtain casing ranges from 2 mm to 4 mm.

11. The water storage device of claim 10 , wherein a cross-sectional area of the floating device in a direction perpendicular to an extension direction of the guide rod is comprised between 900 mm 2 and 1000 mm 2 .

12. The water storage device of claim 11 , wherein a weight of the floating device ranges from 20 g to 30 g.

13. The water storage device of claim 1 , wherein the water storage cavity comprises a water outlet, and a first chamber and a second chamber communicated with each other, the guide rod is arranged in the first chamber, the water outlet is communicated with the second chamber, the water inlet is configured to feed the solution containing the viscous substance into the first chamber, and the water outlet is configured to discharge the solution, and wherein the water storage cavity further comprises an isolation plate and a filter screen, the isolation plate isolates the first chamber from the second chamber, and the filter screen is configured to filter the viscous substance.

14. The water storage device of claim 13 , wherein the water storage cavity comprises a communication port for communicating the first chamber with the second chamber, and the communication port is arranged at a bottom portion of the water storage cavity.

15. An exhaust gas treatment system, comprising:
at least one water storage device; and
an exhaust gas reaction chamber, wherein the exhaust gas reaction chamber is communicated with the water storage device, the water storage device is configured to store a solution for flushing a processing by-product in the exhaust gas reaction chamber, and the solution is recyclable,
wherein the water storage device comprises:
a water storage cavity and a water inlet, wherein the water inlet is configured to feed the solution into the water storage cavity, the water storage cavity is configured to store or discharge the solution, and the water storage cavity contains a viscous substance;
a guide rod and a floating device movable along the guide rod, wherein the floating device is movable as a water level in the water storage cavity changes, and the viscous substance between the guide rod and the floating device restrains movement of the floating device; and
a water curtain casing, wherein the water curtain casing is communicated with the water inlet, the water curtain casing is configured to split a part of the solution from the solution fed from the water inlet, and the solution split by the water curtain casing is configured to flush the viscous substance between the guide rod and the floating device.

Assignees

• Changxin Memory Tech Inc

Inventors

• Hou Xiaomingxing
• Lin Yi-Ming

Classifications

• B01D47/022

  by using a liquid curtain (B01D47/06 takes precedence) · CPC title

• Y02T10/12

  Improving ICE efficiencies · CPC title

• B01D53/78 Primary

  with gas-liquid contact · CPC title

• F01N3/04 Primary

  using liquids · CPC title