An acid removal device for a spray saturator
A spray type and body technology, applied in the removal of gas pollutants, chemical instruments and methods, separation methods, etc., can solve problems affecting crystallization, equipment material shedding, doping, etc., to increase particle size, improve quality effect
Active Publication Date: 2021-05-18
ZHEJIANG KANGTAI COPPER IND CO LTD
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Problems solved by technology
[0003] The working principle of the existing spray saturator is as follows: Image 6 As shown, it is mainly composed of the upper cyclone, the middle spray chamber and the lower crystallization tank. The gas inlet of the saturator is used to spray gas, and the gas after absorbing ammonia gas enters the outer sleeve and the inner sleeve along the tangential direction. A cyclone separator is formed between the cylinders to remove the entrained liquid droplets in the gas and discharge them from the central gas pipe of the saturator. A mother liquid full-flow pipe is installed at the lower part of the spray chamber to control the liquid level in the lower part of the spray chamber. It communicates with the crystallization chamber through the downcomer, and the circulating mother liquor passes through the downcomer from the bottom of the crystallization tank through the blowback effect of the blowback pipe at the bottom of the crystallization tank to classify the ammonium sulfate crystal particles, and the large crystals are drawn from the bottom of the tank, and the small crystals Rise to the top and return to the saturator along the full flow port of the crystallization tank. During the injection process of the gas, in order to maximize the saturation of the gas, it is necessary to set up precision components at the mother liquor spraying port so that the mother liquor is misty during the spraying process. The injected gas is saturated, so that the ammonia in the gas can be removed. Since the return distance between the mother liquor and the gas outlet is short when the mother liquor is sprayed, it is easy to entrain the acid mist and discharge from the gas outlet pipe during the gas discharge process, causing the acid mist to adhere to the gas pipe and In the next stage of equipment, with the increase of time, acid mist will set up corrosion equipment, causing the parts of the equipment affected by the acid to fall off and corrode, causing the corroded material to fall into the saturator, doped in the crystal, and affect the crystallization. At the same time, the discharge of acid mist will also affect the acidity of the mother liquor, causing the acidity of the mother liquor to be unable to maintain the optimum environment for crystallization, further reducing the quality of crystallization, and the distance between the gas outlet of the saturator and the full flow port of the mother liquor is only about 700mm. When the full orifice of the saturator is blocked or the outflow is not smooth, the liquid level of the mother liquid will rise, and the fluctuating liquid level will splash to the bottom of the gas outlet pipe to form crystal deposits. They are entrained by the gas together to form crystals and deposit on the inner wall of the gas outlet pipe, blocking the gas outlet pipe
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[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.
[0020] see Figure 1-5 , an acid removal device for a spray saturator, comprising a device body 1, a gas outlet pipe 2, a diverter device consisting of a diverter ring 3, a bracket 4, a support seat 5, a rotating rod 6, and a scraper 7, and the bracket 4 is installed in a ring Inside the diverter ring 3, the width of the bracket 4 gradually becomes smaller, reducing the resistance of the bracket 4 to gas discharge, and at the same time fixing the support seat ...
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The invention relates to the technical field of chemical equipment, and discloses an acid removal device for a spray saturator, which includes a body, a gas outlet pipe, and a diverter device consisting of a diverter ring, a bracket, a support seat, a rotating rod, and a scraper. The support ring is installed inside the diverter ring, the support base is installed at the ends of several ring support bases, the rotating rod is installed on the support base, and the scraper is installed on the outer ring of the support base. By removing the acid mist entrained by the gas, the water generated after the reaction drips onto the diverter ring through the water leakage hole, so that the water after the reaction is evenly diffused to the gas outlet pipe, and the crystal on the gas outlet pipe is removed. On the one hand It can solve the problem of acid mist entrainment in gas, and on the other hand, it can solve the problem of gas outlet pipeline blockage, so that the speed of gas discharge is always consistent, and at the same time, the gas and acid liquid can fully react, thereby increasing the crystallization inside the saturator. quality, increasing the granularity of the crystals.
Description
technical field [0001] The invention relates to the technical field of chemical equipment, in particular to an acid removal device for a spray saturator. Background technique [0002] The main function of the spray saturator is to remove the ammonia in the gas, and react the ammonia in the gas with the mother liquor (strong acid) of the saturator to generate ammonium sulfate crystals for use in agriculture, textiles, leather and other industries. [0003] The working principle of the existing spray saturator is as follows: Figure 6 As shown, it is mainly composed of the upper cyclone, the middle spray chamber and the lower crystallization tank. The gas inlet of the saturator is used to spray gas, and the gas after absorbing ammonia gas enters the outer sleeve and the inner sleeve along the tangential direction. A cyclone separator is formed between the cylinders to remove the entrained liquid droplets in the gas and discharge them from the central gas pipe of the saturator....
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IPC IPC(8): C10K1/00C10K1/22B01D53/82B01D53/40
CPCB01D53/40B01D53/82B01D2251/304B01D2251/404B01D2251/606C10K1/003C10K1/22
Inventor刘庆州
OwnerZHEJIANG KANGTAI COPPER IND CO LTD