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Device and method for enhancing magnetic resin desorption

A magnetic resin and desorption technology, applied in chemical instruments and methods, magnetic field/electric field water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems of desorption and adsorption efficiency decline, resin accumulation, blocked pipes, etc. , to achieve full reaction, reduce usage, and avoid blockage of pipelines

Active Publication Date: 2021-03-12
NANJING INNOVATION CENT FOR ENVIRONMENTAL PROTECTION IND
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Aiming at the problems of resin accumulation, pipe blockage, and desorption adsorption efficiency reduction in the magnetic resin desorption process in the prior art, the present invention provides a device and method for strengthening magnetic resin desorption, by vertically setting There is a first silicon-based enclosure, and a second silicon-based enclosure is arranged laterally outside the precipitation area. These silicon-based materials are used to form new hole-electron pairs under natural sunlight, so that the reaction area and the precipitation area are generated. Circulating alternating magnetic field, so as to improve the desorption efficiency of ammonia nitrogen, reduce the amount of desorption liquid used, and reduce the salt content in drainage; at the same time, the magnetism of the desorbed magnetic resin is weakened under the action of an external magnetic field, and the mutual attraction decreases. It will accumulate and block the pipeline, and use the magnetic field to push the magnetic resin particles to disturb, thus replacing the traditional mechanical stirring and reducing the probability of resin breakage

Method used

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  • Device and method for enhancing magnetic resin desorption
  • Device and method for enhancing magnetic resin desorption
  • Device and method for enhancing magnetic resin desorption

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Experimental program
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Effect test

Embodiment 1

[0047] A device for strengthening magnetic resin desorption in this embodiment includes a device body 100, a water inlet 110, a water outlet 120, a reaction zone 210, a precipitation zone 220, a water hole 240, a silicon-based separator 230 and an ammonia nitrogen adsorption saturated The magnetic resin 260; wherein, the silicon-based separator is located in the middle of the reaction zone 210, the outer layer of the reaction zone 210 is regularly equipped with a first silicon-based hoop 2110, and the outer layer of the precipitation zone 220 is regularly equipped with a second silicon-based hoop. base hoop 2210;

[0048] The width of the first silicon-based hoop 2110 of the reaction zone 210 is 1 cm, and the distances from the side near the water inlet 110 of the reaction zone 210 to the side near the water hole 240 are respectively 150 cm, 150 cm, 300 cm, and 450 cm; The width of the second silicon-based hoop 2210 of 220 is 15 cm, and the distance from the top of the precipi...

Embodiment 2

[0052] The basic content of this embodiment is the same as that of Embodiment 1, except that the width of the first silicon-based hoop 2110 of the reaction zone 210 is 3 cm, from the side near the water inlet 110 of the reaction zone 210 to the water hole 240 The spacing on one side is 180cm, 180cm, 360cm, and 540cm respectively; the width of the second silicon-based hoop 2210 of the precipitation zone 220 is 20cm, and the distance from the top of the precipitation zone 220 to the bottom of the precipitation zone 220 is the same, and the spacing is 200cm. Moreover, the radius of the water hole 240 is 1 / 4 of the radius of the reaction zone 210, and the aspect ratio of the reaction zone 210 is 1:5. The residence time of the magnetic resin 260 in the reaction zone 210 is 0.5h.

[0053] After being treated by the magnetic resin desorption device of this embodiment, the desorption efficiency of the magnetic resin reaches 97%, and the adsorption efficiency reaches the original 92%. ...

Embodiment 3

[0055] The basic content of this embodiment is the same as that of Embodiment 1, except that the width of the first silicon-based hoop 2110 of the reaction zone 210 is 5 cm, from the side near the water inlet 110 of the reaction zone 210 to the water hole 240 The spacing on one side is 200cm, 200cm, 400cm, and 600cm respectively; the width of the second silicon-based hoop 2210 of the precipitation zone 220 is 25cm, and the distance from the top of the precipitation zone 220 to the bottom of the precipitation zone 220 is the same, and the spacing is 250cm. Moreover, the radius of the water hole 240 is 1 / 5 of the radius of the reaction zone 210, and the aspect ratio of the reaction zone 210 is 1:8. The residence time of the magnetic resin 260 in the reaction zone 210 is 1 h.

[0056] After being treated by the magnetic resin desorption device of this embodiment, the desorption efficiency of the magnetic resin reaches 97%, and the adsorption efficiency reaches 94% of the original...

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Abstract

The invention discloses a device and a method for enhancing magnetic resin desorption, and belongs to the field of resin regeneration. According to the invention, the first silicon-based hoop is longitudinally arranged outside the reaction zone of the device body, the second silicon-based hoop is transversely arranged outside the precipitation zone, and new-hole electron pairs are formed by utilizing the silicon-based materials under the irradiation of natural sunlight, so that a circulating alternating magnetic field is generated in the reaction zone and the precipitation zone; therefore, thedesorption efficiency of ammonia nitrogen is improved, the usage amount of desorption liquid is reduced, and the salt content in discharged water is reduced; meanwhile, the magnetism of the desorbedmagnetic resin is weakened under the action of an external magnetic field, mutual attraction force is reduced, the magnetic resin cannot be gathered to block a pipeline, a magnetic field is used for pushing magnetic resin particles to disturb to replace traditional mechanical stirring, and the resin crushing probability is reduced.

Description

technical field [0001] The invention belongs to the field of resin regeneration, and more specifically relates to a device and method for strengthening magnetic resin desorption. Background technique [0002] Magnetic resin adsorption method is widely used in the treatment of low-concentration ammonia nitrogen wastewater. Compared with other treatment methods, resin adsorption has the advantages of stable processing capacity, high processing efficiency, and no chemical addition. However, in the engineering practice of magnetic resin to treat wastewater, generally the resin will be stirred in the desorption tank after the adsorption is completed, and at the same time, the pollutants will be desorbed with salt water. Decreased adsorption efficiency, increased salt content in drainage, and mechanical agitation lead to problems such as broken magnetic resin. [0003] For example, the application number 200820237941.7, the application date is December 31, 2008, a Chinese utility...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/42C02F1/48C02F101/16
CPCC02F1/42C02F1/48C02F2101/16Y02W10/37
Inventor 姜笔存刘浩亮屈晋云谈政焱高泽楠贺雨舟司徒瑜霞林加文
Owner NANJING INNOVATION CENT FOR ENVIRONMENTAL PROTECTION IND
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