Solar energy purifying pretreatment device for acid liquid
A pretreatment device and solar acid technology, which is applied in chemical instruments and methods, separation methods, precipitation separation, etc., can solve the problems of high energy consumption, and achieve the effects of reduced production energy consumption, improved production efficiency, and improved quality
Inactive Publication Date: 2014-05-21
YICHANG RUITE FINE CHEM
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Problems solved by technology
Because industrial acid liquid contains more impurities, chemical impurity removal and rectification methods are generally used to remove them in production. They are often placed in rectification operation in production, and the acid liquid is not preheated, which makes the energy consumption in production relatively high. high
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[0013] Such as figure 1 As shown, the present invention comprises a reactor 1, the upper end of which is connected to at least two raw material feed pipes 2, the lower end is provided with a discharge pipe 3, the bottom is provided with a slag discharge pipe 4, and the reactor 1 is provided with a heat exchange pipe 5 for exchanging Both ends of the heat pipe 5 are connected to the water inlet and the water outlet of the solar heat collector 7 through the connecting pipe 6 to form a circuit.
[0014] The outer layers of the reactor 1 and the connecting pipe 6 are provided with an insulating layer 8 .
[0015] The water inlet end of the solar heat collector 7 is also provided with a tap water replenishment pipe 9 for replenishing and supplying water to the solar heat collector 7 .
[0016] The upper end of the reactor 1 is connected with two raw material feeding pipes 2 .
[0017] Valves 10 are all provided on the feed pipe 2 , discharge pipe 3 , slag discharge pipe 4 and tap...
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The invention discloses a solar energy purifying pretreatment device for acid liquid. The device comprises a reactor, wherein the upper end of the reactor is connected with at least two raw material feeding pipes; a discharge pipe is arranged at the lower end of the reactor; a sludge discharge pipe is arranged at the bottom of the reactor; a heat exchange pipe is arranged inside the reactor; two ends of the heat exchange pipe are connected with a water inlet and a water outlet of a solar heat collector through connecting pipes to form a loop; insulating layers are arranged at the outer layers of the reactor and the connecting pipes. By adopting solar energy to preheat the acid liquid, the energy consumption for production can be reduced by 1 / 3, and the production efficiency is greatly improved, so that the targets of saving the energy and protecting the environment are achieved, and meanwhile, the acid quality also can be improved by pretreatment. The device also has the advantages of being convenient to use, easy to operate, low in price, easy to popularize and the like.
Description
technical field [0001] The invention relates to the field of chemical production equipment, in particular to a solar acid purification pretreatment device. Background technique [0002] Inorganic acid is an important chemical raw material. Reagent-grade inorganic acid is purified from industrial-grade acid solution. Because industrial acid liquid contains more impurities, chemical impurity removal and rectification methods are generally used to remove them in production. They are often placed in rectification operation in production, and the acid liquid is not preheated, which makes the energy consumption in production relatively high. high. Contents of the invention [0003] The purpose of the present invention is to provide a solar acid purification pretreatment device, which can perform pretreatment, impurity removal and heating before evaporative distillation of the acid solution, and the pretreatment through the equipment can improve production efficiency, reduce ene...
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IPC IPC(8): B01D21/00
Inventor 时勤邵伟曾俊何文明
Owner YICHANG RUITE FINE CHEM