Summary of the invention
Thereby the purpose of the utility model is to provide a kind of UV-light advanced oxidation device that organic pollutant in the water reaches organic pollutant in the removal printing ink wastewater of purifying waste water with waste water of removing.
The utility model is that the technical scheme that is adopted that achieves the above object is: a kind of UV-light advanced oxidation device of removing organic pollutant in the printing ink wastewater; Comprise reaction chamber, automatic medicament feeding system, aerating apparatus; Aerating apparatus is arranged on the bottom of reaction chamber inner chamber; Automatic medicament feeding system comprises Automatic Dosing pump, chemical feed pipe, and chemical feed pipe is arranged in the reaction chamber inner chamber, and chemical feed pipe is connected with the Automatic Dosing delivery side of pump; One ultraviolet light source system is set in the reaction chamber inner chamber, and ultraviolet light source system comprises ultraviolet lamp tube.
The utility model does not have selectivity to organic pollutant, and all kinds of poisonous and harmful waste water are all had extraordinary treatment effect, and water outlet can get into the biochemical equipment advanced treatment, or directly discharges city planting ductwork.Adopt unique integral structure, volume is little, and is simple to operate, reliable, can realize unmanned operation fully, and the discharging of water outlet COD stably reaching standard.
Embodiment
To combine accompanying drawing and embodiment that the utility model is described further below:
As depicted in figs. 1 and 2; A kind of UV-light advanced oxidation device of removing organic pollutant in the printing ink wastewater; Comprise reaction chamber 8, automatic medicament feeding system, aerating apparatus 4, aerating apparatus 4 is arranged on the bottom of reaction chamber 8 inner chambers, and automatic medicament feeding system comprises Automatic Dosing pump 11, chemical feed pipe 12; Chemical feed pipe 12 is arranged in reaction chamber 8 inner chambers, and chemical feed pipe 12 is connected with the output terminal of Automatic Dosing pump 11; In reaction chamber 8 inner chambers, a ultraviolet light source system is set, ultraviolet light source system comprises ultraviolet lamp tube 1.
The utility model is introduced UV-light in the reactor drum; Reacting solution pH value is between 2.5-4.5; Wherein add nanometer manganous sulfate or mn ion as catalyzer; Open high-strength low pressure uv source and temperature control device, the intensity of light source, nano-manganese dioxide or the mn ion dosage through control reaction, hydrogen peroxide concentration, pH value, temperature etc., realization is to effective removal of organic pollutant in the printing ink wastewater.
As shown in Figure 1, said ultraviolet light source system also comprises quartz socket tube 2, voltage stabilized source 3, and ultraviolet lamp tube 1 is placed in the quartz socket tube 2, and voltage stabilized source 3 is electrically connected with ultraviolet lamp tube 1.Quartz socket tube 2 can be protected ultraviolet lamp tube 1, does not influence the radiation effect of ultraviolet lamp tube 1 simultaneously.
As shown in Figure 1, the utility model also is provided with the on-line ultraviolet Monitoring systems, and the on-line ultraviolet Monitoring systems comprises UV-light probe 9, ultraviolet radiation meter 10, and UV-light probe 9 is arranged in reaction chamber 8 inner chambers, and ultraviolet radiation meter 10 is connected with UV-light probe 9 through lead.Optical signal is converted to reading on the display panel that electrical signal is transferred to ultraviolet radiation meter 10 by the probe of ultraviolet under water 9 in reaction chamber 8 medium ultraviolet intensity, realize ultraviolet ray intensity in the online monitoring reaction device.
As shown in Figure 1; The utility model also is provided with temperature control device; Temperature control device comprises contact thermometer 5, well heater 6, thermostat relay 7, and contact thermometer 5 is arranged in reaction chamber 8 inner chambers with well heater 6, and contact thermometer 5 is connected with thermostat relay 7 through lead respectively with well heater 6.Said thermostat relay 7 is set controlled temperature between 50 ℃~75 ℃.Can reach the preferred process effect in this temperature province.
Said ultraviolet lamp tube 1 is the low-pressure high-strength ultraviolet lamp tube, and the main wave band of radiation is at 254nm.Adopt 100W low-pressure high-strength mercury lamp as ultraviolet source in the present embodiment, the main wave band of radiation is at 254nm, and single lamp is handled wastewater volume about 10L in reactor drum.
Like Fig. 1, shown in Figure 2, said ultraviolet lamp tube 1 is 4, is placed in the quartz socket tube 2 the equidistant underwater that vertically places reaction chamber 8 respectively.
Said reaction chamber 8 adopts the PVC outer wall.Adopt the PVC material can reduce the erosion of waste water and soup to reaction chamber 8.
The soup that said automatic medicament feeding system adopts is mainly formed or mainly is made up of mn ion and ydrogen peroxide 50 by nano-manganese dioxide and ydrogen peroxide 50.Nano-manganese dioxide concentration is between 1~2g/L in the said soup, and manganese ion concentration is between 0.2~1g/L.Low-pressure high-strength uv lamp 1 places airtight silica tube 2 and is evenly distributed on reaction vessel; Certain amount of nano Manganse Dioxide that adds in hydrogen peroxide and the solution and mn ion react and generate hydroxyl radical free radical decomposing organic matter pollutent; The nanometer titanium dioxide Mn catalyst can be through flocculation sediment method Separation and Recovery in addition, avoid secondary pollution.
In the present embodiment, reaction chamber 8 is a uncovered cavity, and from seeing in appearance, it is positive hexagon, and outer wall is processed by the PVC material.Adopt 100W low-pressure high-strength uv lamp 1 as light source in the reaction chamber 8; 4 light sources are adopted the equidistant water that vertically places under the protection of quartz socket tube 2; The on-line monitoring system that constitutes by probe 9 of ultraviolet under water and ultraviolet radiation meter 10; Ultraviolet light intensity in the container is monitored in real time, guarantees the reproducibility and the high efficiency of UV-light advanced oxidation reaction.
The COD concentration of pH about 2.5~4.5 is injected in the reaction chamber 8 in the printing ink wastewater of 10000mg/L, and ready nano-manganese dioxide or mn ion and ydrogen peroxide 50 added wherein stirs and oxygenation through 4 pairs of solution of aerating apparatus.Uv lamp voltage stabilized source 3 is connected, through regulator solution temperature of reaction, Manganse Dioxide or conditions such as manganese ion concentration, hydrogen peroxide concentration two yang edemas and organic pollutant are fully reacted, to reach the optimum handling effect.
The utility model is incorporated into high-strength ultraviolet radiation in the advanced oxidation reaction; Be with the photochemical reaction be ultimate principle a cover simply, water treating equipment efficiently; Give full play to the photochemical catalysis effect of nano-manganese dioxide or mn ion; The synergy of hydrogen peroxide optical radiation decomposition and catalyzed reaction is purified water quality.