Ozone adding device

Abstract

The invention discloses an ozone adding device which comprises a water feeding pipe, wherein the water feeding pipe is connected with a first proportional valve; the first proportional valve is connected with a gas-water mixer through a pipeline; an ultraviolet lamp is arranged on the pipeline between the first proportional valve and the gas-water mixer; the gas-water mixer communicates with an inner cavity of an oxidization tower through a pipeline; the ozone adding device further comprises an ozone generator; the ozone generator communicates with an anti-reflux tank through a pipeline; the anti-reflux tank communicates with a flow adjustment valve through a pipeline; the flow adjustment valve communicates with the gas-water mixer through a pipeline; the lower part of an oxidization tower is connected with a water pump and an on-line ozone detection device through pipelines; the water pump is connected with a second proportional valve through a pipeline; the second proportional valve is connected with a water discharging pipe; the second proportional valve is further connected with the first proportional valve through a reflux pipe; and a discharging valve is further arranged on the reflux pipe. The ozone adding device can effectively realize sterilization and disinfection and also precisely guarantee the ozone adding amount, is simple in structure, occupies a small space and is low in machining and manufacturing cost.

Description

technical field [0001] The invention relates to the technical field of packaging, in particular to an ozone adding device in the packaging of mineral water. Background technique [0002] Disinfection treatment of mineral water has always been a hot spot in the water treatment industry. It is necessary to prevent the microorganisms in the finished mineral water from exceeding the standard due to too little ozone content in the water treatment process, and to prevent excessive ozone and bromine in the water due to ozone content. The ions react to produce harmful derivatives—bromate. Since bromate has been classified as a potential carcinogen of level 2b by the International Agency for Research on Cancer, strict precautions must be taken during the production and treatment of mineral water. Control the content of ozone. [0003] Such as figure 1 As shown, the existing ozone adding device adopts double-point ozone dosing, that is, the same ozone generator 101 is connected with...

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Problems solved by technology

[0003] like figure 1 As shown, the existing ozone adding device adopts double-point ozone dosing, that is, the same ozone generator 101 is connected with two ozone adding pipes 103 through the anti-reflux tank 102, and the two ozone adding pipes 103 are respectively connected with a Venturi mixer 104 , wherein one Venturi mixer 104 is connected to the top of the oxidation tower 105, and the other Venturi mixer 104 is connected to the bottom of the oxidation tower 105, so as to realize double-point ozone dosing, and detect ozone by the mineral water flowing out of the oxidation tower 105 , to judge whether the water flowing out from the oxidation tower 105 meets the requirements, so as to control the gas outlet ratio of the two ozone addition pipes 103 respectively; Due to inaccurate control, some ozone addition pipes 103 have too much ozone distribution, while some ozone addition pipes 103 have too little ozone distribution, resulting in excessive bromate, and the water flowing out of the oxidation tower 105 cannot be purified again. It is discharged by the discharge valve, causing huge waste and increasing the processing cost. According to the latest international requirements, the control content of bromate is very high. Therefore, the double-point ozone dosing structure is no longer applicable; at the same time, due to the When the finished product water flowing out is unqualified, the outlet pipe 106 connected with the oxidation tower 105 is also connected with a return pipe 107, the return pipe 107 is connected with the top of the oxidation tower 105, and the return pipe 107 is also provided with an ultraviolet lamp 108 for sterilization, Because the ultraviolet lamp 108 is also arranged on the water inlet pipe 109, therefore, two ultraviolet lamps 108 greatly increased the cost of the whole set of ozone adding device, further improved the processing and manufacturing cost, and also made the connection structure of the ozone adding device more complicated in addition, bigger

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