Transport container for concentrated hydrogen peroxide

Patent metadata

Field	Value
Publication number	US-12269672-B2
Application number	US-202017766393-A
Country	US
Kind code	B2
Filing date	Sep 30, 2020
Priority date	Oct 7, 2019
Publication date	Apr 8, 2025
Grant date	Apr 8, 2025

Abstract

The transport container for concentrated hydrogen peroxide comprises: a cuboid carrier frame; a liquid container provided inside the carrier frame ( 1 ) and frictionally connected thereto, said container having an internal volume of between 65 and 500 I and consisting of pure aluminium, chromium-nickel steel, a nickel-based alloy, or a steel coated with a polyolefin or clad on the inner face; a pressure equalisation device and a pressure relief valve, both of which are provided on the upper face of the liquid container; and at least one sealable opening of the liquid container for the charging and/or removal of hydrogen peroxide.

First claim

The invention claimed is:

1. A transport container for concentrated hydrogen peroxide, comprising:
(a) a cuboidal retaining frame;
(b) a liquid container disposed within the retaining frame, frictionally connected to the retaining frame, having an internal volume of 65 to 500 liters, and selected from the group consisting of: at least 99 wt % aluminum; chromium-nickel steel; a nickel-base alloy containing molybdenum and chromium; and steel that is lined or coated with a polyolefin on the inside;
(c) a pressure equalization device disposed on the top face of the liquid container,

wherein the pressure equalization device enables the passage of gas between the container interior and the atmosphere surrounding the liquid container and enables pressure equalization in the case of a pressure difference of less than 50 mbar;
(d) a pressure relief valve disposed on the top face of the liquid container; and
(e) at least one closable opening of the liquid container for charging with hydrogen peroxide and/or removal of hydrogen peroxide.

2. The transport container of claim 1 , wherein the liquid container has the form of a vertical cylinder with a domed base and a lid.

3. The transport container of claim 2 , wherein the retaining frame comprises a base and, at the bottom end of the liquid container, a circumferential ring is mounted which stands up on the base of the retaining frame.

4. The transport container of claim 3 , wherein the liquid container is connected frictionally to the retaining frame by a clamping ring placed around the cylinder.

5. The transport container of claim 3 , wherein the retaining frame comprises metal profiles mounted on the base which form the edges of the cuboid located above the base.

6. The transport container of claim 5 , wherein the metal profiles have an L-shaped cross section or are hollow profiles with a square, rectangular, round or oval cross section.

7. The transport container of claim 1 , wherein the liquid container has an internal volume of 65 to 250 liters.

8. The transport container of claim 1 , wherein the liquid container is at least 99.5 wt % aluminum.

9. The transport container of claim 1 , wherein the liquid container consists of steel, lined or coated with a fluorinated polyolefin on the inside, the fluorinated polyolefin being selected from the group consisting of:
polytetrafluoroethylene (PTFE); polyvinylidene difluoride (PVDF); and
tetrafluoroethylene-perfluoroalkoxyvinyl ether copolymer (PFA).

10. The transport container of claim 1 , wherein the liquid container is connected to the retaining frame via at least one shock absorber.

11. The transport container of claim 1 , wherein the retaining frame has receivers on the bottom side for the forks of a forklift truck.

12. The transport container of claim 1 , wherein the retaining frame has latticed or closed side walls.

13. The transport container of claim 12 , wherein the retaining frame additionally comprises a latticed or continuous lid which can be opened and which, in the closed state, can be locked.

14. The transport container of claim 1 , wherein the retaining frame has carrying eyelets on the top face for lifting the transport container.

15. The transport container of claim 1 , wherein the pressure relief valve opens when a limiting value for an overpressure in the liquid container relative to the surrounding atmosphere in the range from 0.1 to 2.5 bar is exceeded.

16. The transport container of claim 15 , wherein the pressure relief valve closes again automatically when the value for the overpressure falls below the limiting value.

17. The transport container of claim 1 , wherein the pressure equalization device comprises a particle filter.

18. The transport container of claim 4 , wherein the retaining frame comprises metal profiles mounted on the base which form the edges of the cuboid located above the base.

19. The transport container of claim 18 , wherein the liquid container is at least 99.5 wt % aluminum.

20. The transport container of claim 18 , wherein the liquid container consists of steel, lined or coated with a fluorinated polyolefin on the inside, the fluorinated polyolefin being selected from the group consisting of:
polytetrafluoroethylene (PTFE); polyvinylidene difluoride (PVDF); and
tetrafluoroethylene-perfluoroalkoxyvinyl ether copolymer (PFA).

Assignees

• Evonik Operations Gmbh

Inventors

• König Bernhard
• Glenneberg Jürgen
• Christ Philipp
• Kunkel Anna
• Gottschlich Bernd

Classifications

• B65D90/54

  Gates or closures · CPC title

• B65D90/34 Primary

  Venting means (vehicle fuel tanks characterised by venting means B60K15/035) · CPC title

• B65D90/20

  Frames or nets, e.g. for flexible containers · CPC title

• B65D90/0033

  Lifting means forming part of the container (B65D90/0006, B65D90/0026 take precedence; loading or unloading container on or from a truck B60P1/6418; lifting the container using a crane B66C1/663) · CPC title

• B65D88/128 Primary

  tank containers, i.e. containers provided with supporting devices for handling · CPC title