# US 11,306,404 B2 · Production system for chlorine dioxide solution

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- Number: US 11,306,404 B2
- Document ID: US11306404B2
- Status: Granted
- Kind: B2
- Application number: 16/952,093
- Filed: 2020-11-19
- Published: 2021-03-25
- Granted: 2022-04-19
- Earliest claimed: 2019-01-04
- Applicants: Cheng-Hong Chen; Cheng-Yu Chen
- Inventors: Cheng-Hong Chen; Cheng-Yu Chen
- Web page: https://patentgrep.com/patent/US11306404B2

## CPC

- C25B 15/08: Supplying or removing reactants or electrolytes; Regeneration of electrolytes
- C25B 1/26: Chlorine; Compounds thereof (by simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine C25B1/34)
- C25B 15/02: Process control or regulation
- C25B 15/021: of heating or cooling
- C25B 15/027: Temperature
- C25B 15/081: {Supplying products to non-electrochemical reactors that are combined with the electrochemical cell, e.g. Sabatier reactor}
- C01B 11/022: {Chlorine dioxide (ClO2)}
- C25B: ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR (anodic or cathodic protection C23F13/00; single-crystal growth C30B)
- C01B: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; {METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C}

## Abstract

The production system of chlorine dioxide solution includes a water storage device, an electrolyte storage device, an electrolytic device, a reaction device, a storage device, a cooling device, and a cleaning device. These devices jointly work together to manufacture chlorine dioxide solution systematically and in mass production.

## Claims

### Claim 1

A system for manufacturing chlorine dioxide solution, comprising a water storage device, an electrolyte storage device, an electrolytic device, a reaction device, a storage device, a cooling device, and a cleaning device, wherein
the water storage device is for storing water and comprises a water tank, a water pump connected to the water tank, and a water pipe connecting the water pump with the reaction device; the water tank compromises a low-level detector detecting water level in the water tank and an inlet connecting to a water source; the inlet is configured with a pressure valve;
the electrolyte storage device is for storing electrolyte and comprises an electrolyte tank, an electrolyte pump connected to the electrolyte tank, and a electrolyte pipe connecting the electrolyte pump with the electrolytic device; the electrolyte tank comprises a low-level detector;
the electrolytic device conducts electrolysis operation and comprises an electrolytic tank connected to the electrolyte tank through the electrolyte pipe, a gas pipe connecting the electrolytic tank to the reaction device for supplying chlorine dioxide gas, a waste discharge pipe connecting the electrolytic tank for discharging cleaning water or salty water from the electrolytic tank, a cooler for cooling down the electrolytic tank, a coolant discharge pipe connecting the cooler to the waste discharge pipe, and a reflow pipe connecting the cooler to the cooling device for recycling coolant; the waste discharge pipe is configured with a pressure valve;
the reaction device comprises a pump and a plurality of reaction tanks; the pump has an inlet pipe and an outlet pipe; the outlet pipe is configured with a mixer whose inlet is connected to the gas pipe of the electrolytic device; each reaction tank has a first inlet pipe, a second inlet pipe, a first outlet pipe, and a second outlet pipe; the first inlet pipe is connected to the water pipe of the water tank; the second inlet pipe is connected to the outlet pipe of the pump; the first outlet pipe is connected to the inlet pipe of the pump; the first inlet pipe is configured with a pressure valve, and the second inlet pipe, first outlet pipe, and second outlet pipe are respectively configured with pressure valves, all capable of acid and alkali resistance; each reaction tank has a low-level detector and a high-level detector detecting the level of chlorine dioxide solution in the reaction tank;
the storage device comprises a solution tank for storing chlorine dioxide solution, a solution pump, a solution outlet pipe connecting the solution pump to the solution tank, a solution inlet pipe connecting the solution pump to the second outlet pipes of the reaction device, and a low-level detector and a high-level detector detecting chlorine dioxide solution level inside the solution tank; the solution outlet pipe is configured with a pressure valve capable of acid and alkali resistance;
the cooling device comprises a coolant tank for storing coolant, a coolant pump connecting the coolant tank, a coolant pipe connecting the coolant pump to the cooler of the electrolytic device; the coolant pipe is configured with a pressure valve;
the cleaning device comprises a clear water tank for storing clear water, a clear water pump connecting the clear water tank, a clear water pipe connecting the clear water pump to the electrolytic device, a low-level detector detecting whether the clear water in the clear water tank is too little, a clear water inlet pipe connecting the clear water tank to a clear water source; the clear water pipe is configured with a pressure valve; and the clear water inlet pipe is configured with a pressure valve.

### Claim 2 (depends on 1)

The system for manufacturing chlorine dioxide solution according to claim 1, wherein a temperature sensor is configured on the electrolytic tank of the electrolytic device.

### Claim 3 (depends on 1)

The system for manufacturing chlorine dioxide solution according to claim 1, wherein an oxidation reduction potential (ORP) detector is configured on the reaction tank of the reaction device.

### Claim 4 (depends on 1)

The system for manufacturing chlorine dioxide solution according to claim 1, wherein a temperature sensor is configured on the coolant tank of the cooling device.