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A chlorine dioxide preparation device technology, applied in the direction of chlorine dioxide, chlorine oxide, etc., can solve problems such as failure to realize automatic control, decline in the quality of chlorine dioxide products, and loss of sodium chlorate
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AI technical title is built by PatSnap AI team. It summarizes the technical point description of the patent document.
A chlorine dioxide preparation device technology, applied in the direction of chlorine dioxide, chlorine oxide, etc., can solve problems such as failure to realize automatic control, decline in the quality of chlorine dioxide products, and loss of sodium chlorate
CN107381507BActive 📅 Publication Date: 2019-11-29ASIA SYMBOL SHANDONG PULP & PAPER
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[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0026] Please refer to figure 1 and figure 2 , figure 1 The schematic structural diagram of the chlorine dioxide preparation device provided by the embodiment of the present invention; figure 2 A schematic diagram of the internal structure of the separator provided by the embodiment of the present invention.
[0027] The chlorine dioxid...
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Abstract
The invention discloses a chlorine dioxide preparation device, which comprises a preparation device body. The preparation device body comprises a chlorine dioxide generator, a sodium chloride filter, a sodium chloride dissolving device, a blasting boiling preventing device, a separator, a condenser, a condensation recovery device, an absorption tower and the sodium chloride dissolving device. The top part of the chlorine dioxide generator is communicated with the top part of the separator through a first gas delivery pipe; the middle lower part of the separator is communicated with the middle lower part of the chlorine dioxide generator through a first infusion pipe; the condenser is arranged at the bottom part of the separator; the separator and the condenser are communicated; the bottom part of the condenser is communicated with the sodium chloride dissolving device through the condensation recovery device; the bottom part of the condenser is communicated with the middle lower part of the absorption tower through a second gas delivery pipe. The chlorine dioxide preparation device provided by the invention can realize condensation recovery of gas generated by the chlorine dioxide generator.
Description
technical field [0001] The invention relates to the technical field of large-scale chlorine dioxide production in pulp and paper mills, in particular to a chlorine dioxide preparation device. Background technique [0002] As the domestic energy situation becomes more and more tense, energy costs account for an increasing proportion of manufacturing enterprises. How to achieve energy saving and consumption reduction in the production process is crucial to the production and development of enterprises, especially the reduction of resources Waste and full utilization of existing resources become the main research direction. A modern million-ton hardwood pulp mill adopting the ECF bleaching process typically has a complete set of chlorate electrolysis section and secondary The chemical workshop of the chlorine oxidation synthesis section consumes 17-20kg of ClO2 per ton of pulp and paper, and a million-ton pulp mill consumes 53 tons (100%) of chlorine dioxide per day. Due to t...
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