Ultraviolet light catalytic digestion device
A digestion device and ultraviolet light technology, applied in the preparation of test samples, etc., can solve the problems that commercialized devices are not popularized and used
Inactive Publication Date: 2014-06-18
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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Problems solved by technology
However, due to factors such as catalyst separation, thermodynamic mass transfer, or the safety of high-power ultraviolet light sources, commercialized devices have not been widely used.
Method used
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[0022] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.
[0023] Such as figure 1 , as shown in Figure 2, the digester of the present invention includes a hollow columnar reactor 1, the reactor 1 is made of metal titanium or interior fluorine functional material or high-grade stainless steel or other polymer inert materials, the inner diameter is less than 50mm, and the top is provided with an aperture 1mm safety net leak 4. The reactor 1 is equipped with a single-ended quartz sleeve 2 with a light source tube 3. The bottom end of the reactor 1 is threadedly connected to the top end of the adapter 5. The adapter 5 is spindle-shaped with an end cap at the bottom end and a circle on the top surface Opening 53, the single-ended quartz sleeve 2 penetrates into the round opening 53, and then the lower end is fixed and sealed in the fastening of the bottom cover of the adapter 5. The top surface of the a...
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Abstract
The invention relates to an ultraviolet light catalytic digestion device which comprises a hollow columnar reactor, wherein a single-end quartz sleeve with a light source pipe is arranged in the reactor; the bottom end of the reactor is in screw connection with the top end of an adapter through screw threads; the single-end quartz sleeve is penetrated into a round opening on the top surface of the adapter and is fixed in the adapter; a plurality of pin holes running through to a middle buffer cover distributor are formed on the top surface of the adapter; the bottom outlet nozzle of the buffer cover distributor is connected with the end C of a Y-shaped fitting; the end A of the Y-shaped fitting is connected with a gas loading source; the end B of the Y-shaped fitting is connected with a drainage; a one-way valve and a flowmeter are arranged on the gas path; and an electromagnetic valve is arranged on the liquid path. In the invention, a high-efficiency oxidizing environment with a low-power ultraviolet safety light source and a short light path is formed; and the design of the device is completed through the connection of the one-to-multiple adapter, the gas operation and drainage conversion of the Y-shaped fitting and the rinsing of the flow path. Thus, the device provided by the invention has the advantages of plasticity of open multiple paths and safety and convenience in operation.
Description
technical field [0001] The invention belongs to the application fields of physical and chemical analysis, sample pretreatment in the technical field of environmental monitoring, and photocatalytic performance evaluation, and in particular relates to an ultraviolet photocatalytic digester. Background technique [0002] Advanced water treatment by photocatalytic semiconductor oxidation is one of the most green and environmentally friendly new technologies. The principle of its realization is that the catalyst generates photogenerated electrons (e) and holes (h) on the surface of the catalyst after selective light irradiation. Furthermore, it further reacts with the surrounding water molecules and dissolved oxygen, etc., and induces the generated superoxygen (O 2- ), hydroxyl radicals (OH ) and other oxidative free radicals, together with holes, photocatalyst has the highest potential and strong oxidation ability, which can oxidize and decompose organic matter or reduced molec...
Claims
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IPC IPC(8): G01N1/44
Inventor 葛碧洲葛畅孔祥虹朱维晃
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY