SKID MOUNTED DEVICE FOR UPPER-SPREADING INTERNAL DIFFUSION VERTICAL PLUG FLOW PHOTOCATALYTIC WASTEWATER TREATMENT

• US 20200131055A1
• Filed: 05/05/2018
• Published: 04/30/2020
• Est. Priority Date: 06/16/2017
• Status: Active Grant

• Current Assignee: Yunnan University
• Original Assignee: Yunnan University
• Inventors: WANG, Jiaqiang, WANG, Wei, LI, Yizhou, JIANG, Liang
• Granted Patent: US 11,155,475 B2
• Time in Patent Office: Days
• CPC Class Codes: C02F 1/001 Processes for the treatment of water whereby the filtration technique is of importance C02F1/44 takes precedence; construction of filters in general B01D24/00 - B01D41/00
• CPC Class Codes: C02F 1/325 Irradiation devices or lamp constructions
• CPC Class Codes: C02F 1/52 by flocculation or precipitation of suspended impurities C02F1/463 takes precedence
• CPC Class Codes: C02F 1/5281 Installations for water purification using chemical agents
• CPC Class Codes: C02F 1/66 by neutralisation; pH adjustment for degassing C02F1/20; using ion-exchange C02F1/42; for flocculation or precipitation of suspended impurities C02F1/52; for removing dissolved compounds C02F1/58
• CPC Class Codes: C02F 1/725 by catalytic oxidation
• CPC Class Codes: C02F 2001/007 Processes including a sedimentation step
• CPC Class Codes: C02F 2101/30 Organic compounds
• CPC Class Codes: C02F 2201/008 Mobile apparatus and plants, e.g. mounted on a vehicle for biological treatment C02F2203/008
• CPC Class Codes: C02F 2201/3227 Units with two or more lamps
• CPC Class Codes: C02F 2301/08 Multistage treatments, e.g. repetition of the same process step under different conditions
• CPC Class Codes: C02F 2305/10 Photocatalysts
• CPC Class Codes: C02F 9/00 Multistage treatment of water, waste water or sewage
• CPC Class Codes: Y02W 10/37 using solar energy

Abstract

A skid mounted device for upper-spreading internal diffusion vertical plug flow photocatalytic wastewater treatment includes internal diffusion vertical plug flow photocatalytic reaction tank groups and a skid base. The internal diffusion vertical plug flow photocatalytic reaction tank groups are arranged on the skid base. The internal diffusion vertical plug flow photocatalytic reaction tank groups are connected to each other in series, in parallel, or in series-parallel. Each internal diffusion vertical plug flow photocatalytic reaction tank group consists of two or more photocatalytic reaction tanks connected in series, in parallel, or in series-parallel. The wastewater pipes connected to the photocatalytic reaction tanks in each internal diffusion vertical plug flow photocatalytic reaction tank group are mounted above the photocatalytic reaction tanks.

Claims

1. A skid mounted device for an upper-spreading internal diffusion vertical plug flow photocatalytic wastewater treatment, comprising:

internal diffusion vertical plug flow photocatalytic reaction tank groups and a skid base, wherein the internal diffusion vertical plug flow photocatalytic reaction tank groups are arranged on the skid base;

the internal diffusion vertical plug flow photocatalytic reaction tank groups are connected to each other;

each internal diffusion vertical plug flow photocatalytic reaction tank group comprises two or more photocatalytic reaction tanks connected to each other; and

wastewater pipes connected to the two or more photocatalytic reaction tanks in each of the internal diffusion vertical plug flow photocatalytic reaction tank groups are mounted above the two or more photocatalytic reaction tanks; and

each photocatalytic reaction tank group is connected successively through anti-corrosion pipelines.

2. The skid mounted device for the upper-spreading internal diffusion vertical plug flow photocatalytic wastewater treatment according to claim 1, wherein, the internal diffusion vertical plug flow photocatalytic reaction tank groups are arranged on a container, the container is arranged on the skid base.

3. The skid mounted device for the upper-spreading internal diffusion vertical plug flow photocatalytic wastewater treatment according to claim 1, wherein, a flocculation precipitation system is connected before the skid mounted device;

the flocculation precipitation system comprises a filtration precipitation tank, a flocculation tank and a wastewater tank;

after wastewater in the wastewater tank is pumped by a wastewater pump into the filtration precipitation tank, a flocculant is added to flocculate and precipitate suspended solids and a part of organic substances to prevent the skid mounted device from blocking.

4. The skid mounted device for the upper-spreading internal diffusion vertical plug flow photocatalytic wastewater treatment according to claim 1, wherein, a waste residue collection system is connected behind the skid mounted device.

5. The skid mounted device for the upper-spreading internal diffusion vertical plug flow photocatalytic wastewater treatment according to claim 1, wherein, a container (8) is provided with a peristaltic pump;

one end of the peristaltic pump is connected to a reagent box, and an other end of the peristaltic pump is connected to each photocatalytic reaction tank (21) through a hose.

6. The skid mounted device for the upper-spreading internal diffusion vertical plug flow photocatalytic wastewater treatment according to claim 1, wherein, a light tube with a quartz sleeve and a catalyst-carrying carrier is provided inside the two or more photocatalytic reaction tanks;

a size of each photocatalytic reaction tank can be adjusted as need by a catalyst;

a lower water inlet is connected to a lower portion of the each photocatalytic reaction tank;

a side water inlet is provided on the lower side of the each photocatalytic reaction tank, and a water outlet is provided at a side 8-10 cm from a top of the each photocatalytic reaction tank.

7. The skid mounted device for the upper-spreading internal diffusion vertical plug flow photocatalytic wastewater treatment according to claim 1, wherein, the internal diffusion vertical plug flow photocatalytic reaction tank groups are greater than two in number, and are assembled according to characteristics of the wastewater to be treated and are connected to each other by providing valves between the water inlets in a lower portion of the internal diffusion vertical plug flow photocatalytic reaction tanks;

and a connection groove is arranged between two adjacent photocatalytic reaction tanks.

8. The skid mounted device for the upper-spreading internal diffusion vertical plug flow photocatalytic wastewater treatment according to claim 5, wherein, the catalyst-carrying carrier is a circular or polygonal structure, and is enclosed by a stainless steel filter mesh;

the catalyst-carrying carriers are connected by brackets, and are longitudinally arranged in the each photocatalytic reaction tank;

a shape of the each photocatalytic reaction tank is a cylinder or a cuboid or a cube; and

a material of both the each photocatalytic reaction tank and the catalyst-carrying carrier is stainless steel.

9. The skid mounted device for the upper-spreading internal diffusion vertical plug flow photocatalytic wastewater treatment according to claim 8, wherein, the shape of the photocatalytic reaction tank is the cuboid, which reduces a volume of the ski mounted device and facilitates space saving.

10. The skid mounted device for the upper-spreading internal diffusion vertical plug flow photocatalytic wastewater treatment according to claim 1, wherein, a top of the photocatalytic reaction tank is provided with a foam catcher and a vent hole.