CN219156647U

CN219156647U - Enhanced crystallization type fluidized bed FBR-Fenton method oxidation tower

Info

Publication number: CN219156647U
Application number: CN202223409359.3U
Authority: CN
Inventors: 汤捷; 孟红院; 汤明月
Original assignee: Nanjing Hanzhiqi Technology Co ltd
Current assignee: Nanjing Hanzhiqi Technology Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-09
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses an enhanced crystallization type fluidized bed FBR-Fenton oxidation tower, which comprises a tower body, wherein a supporter is arranged at the inner side position of the tower body, a distribution head is arranged at the lower side position of the supporter, a water inlet groove is arranged at the inner position of the left upper side of the tower body, a water inlet pipeline B is arranged at the outer position of the left lower side of the tower body, a hydrogen peroxide rotational flow liquid-phase mixer is arranged at the left lower side of the water inlet pipeline B, a ferrous sulfate rotational flow liquid-phase mixer is arranged at the left lower side of the hydrogen peroxide rotational flow liquid-phase mixer, and mixed water flow can uniformly flow into the bottom of the tower body through the arrangement of the distribution head, the water inlet pipeline A and a circulating pump, so that ferrous sulfate reacts with hydrogen peroxide to form crystals FeOOH on the surface of the supporter 2, the FeOOH has heterogeneous catalysis effect, the addition amount of ferrous sulfate can be reduced, the effect of reducing resource consumption is achieved, and a large amount of chemical sludge in the traditional Fenton method can be reduced.

Description

Enhanced crystallization type fluidized bed FBR-Fenton method oxidation tower

Technical Field

The utility model belongs to the technical field related to water treatment, and particularly relates to an enhanced crystallization type fluidized bed FBR-Fenton method oxidation tower.

Background

The Fenton method is a method for oxidizing organic matters in wastewater into small molecular organic matters and even mineralizing the small molecular organic matters into carbon dioxide and water by utilizing ferrous ions to carry out hydrogen peroxide reaction, the generated hydroxyl free radicals with high oxidizing capacity, the traditional Fenton method is a homogeneous reaction of ferrous ions and hydrogen peroxide, the required ferrous sulfate and hydrogen peroxide cannot fully react with sewage, and the generated secondary pollution is more in iron mud.

Therefore, the Fenton method with high medicament use efficiency and less sludge generation is innovated to solve the problems, so that the effects of higher medicament use efficiency and reduction of secondary pollution of iron sludge are achieved.

Disclosure of Invention

The utility model aims to provide an enhanced crystallization type fluidized bed FBR-Fenton method oxidation tower, which is used for solving the problems that ferrous sulfate and hydrogen peroxide cannot fully react with sewage, the use efficiency of a medicament cannot be realized and secondary pollution iron mud is more in the traditional Fenton method in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an enhancement mode crystallization's fluidized bed FBR-Fenton method oxidation tower, includes the tower body, the inboard position department of tower body is provided with the support, the downside position department of support is provided with the distribution head, the left side inside position department of tower body is provided with the inlet channel, the left side outside position department of tower body is provided with inlet channel B, the left side position department of inlet channel B is provided with hydrogen peroxide whirl liquid phase mixer, the left side position department of hydrogen peroxide whirl liquid phase mixer is provided with ferrous sulfate whirl liquid phase mixer, the left side position department of ferrous sulfate whirl liquid phase mixer is provided with the circulating pump, the left side position department of circulating pump is provided with inlet channel A, the circulating pump is connected external power source and is supplied power.

Preferably, a water outlet groove is arranged at the inner position of the right upper side of the tower body, and a tower body water outlet is arranged at the outer position of the right upper side of the tower body.

Preferably, a water inlet pipe is arranged at the upper left side position of the water inlet tank, and a sulfuric acid dosing pipe is arranged at the right side position of the water inlet pipe.

Preferably, the water inlet tank comprises a circulating water return tank, a distribution homogenizing plate is arranged on the water inlet tank, and sewage is uniformly distributed to the water return tank.

Preferably, the water inlet pipeline A is connected with the water inlet pipe and the circulating pump respectively.

Preferably, the water inlet pipeline B is communicated with the inside of the tower body and is connected to the distribution head, and the water inlet pipeline B is respectively arranged at the lower side positions of the left end and the right end of the tower body.

Compared with the prior art, the utility model provides an enhanced crystallization type fluidized bed FBR-Fenton method oxidation tower, which has the following beneficial effects:

1. in the fluidized bed FBR-Fenton method oxidation tower of the enhanced crystallization type, through the arrangement of the distribution head, the water inlet pipeline A, the circulating pump and the cyclone liquid phase mixer, mixed water flows into the bottom of the tower body uniformly, ferrous sulfate and hydrogen peroxide are mixed with sewage at different time intervals through the mixed introduction of the cyclone liquid phase mixer, the mass transfer effect of multi-point dosing is better, the oxidation effect of hydroxyl radicals on sewage is more excellent, crystals FeOOH are formed on the surface of a carrier, the FeOOH has heterogeneous catalysis effect, the addition amount of ferrous sulfate can be reduced, the effect of reducing resource consumption is achieved, and the output of a large amount of chemical sludge of the traditional Fenton method can be reduced.

2. In the reinforced crystallization type fluidized bed FBR-Fenton method oxidation tower, a water return tank, a water inlet tank and a distribution homogenizing plate are combined together, a plurality of dosing pipelines, a water inlet pipeline A, a circulating pump and a water inlet pipeline B are respectively combined together, the combined water inlet pipeline A is connected with the combined water inlet tank and the combined circulating pump, and then the combined water inlet pipeline A is connected with a cyclone liquid phase mixer, so that the high-efficiency Fenton reaction occurs in the cyclone liquid phase mixer, and meanwhile, the Fenton reaction is continued on the fluidized bed in the tower body, so that the reaction efficiency is higher.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

In the figure: 1. a tower body; 2. a carrier; 3. a water inlet pipe; 4. a sulfuric acid dosing tube; 5. a water inlet tank; 6. a hydrogen peroxide cyclone liquid phase mixer; 7. a ferrous sulfate cyclone liquid phase mixer; 8. a water inlet pipeline A; 9. a water inlet pipeline B; 10. a dispensing head; 11. a water outlet tank; 12. a tower body water outlet; 13. and a circulation pump.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

The utility model provides an enhanced crystallization type fluidized bed FBR-Fenton method oxidation tower as shown in fig. 1, which comprises a tower body 1 playing a bearing role, wherein a supporter 2 for crystallization is arranged at the inner side position of the tower body 1, a distribution head 10 for uniformly distributing water is arranged at the lower side position of the supporter 2, a water inlet groove 5 for facilitating water inlet is arranged at the inner left side position of the tower body 1, a water inlet pipeline B9 is arranged at the outer left side position of the tower body 1, a hydrogen peroxide cyclone liquid phase mixer 6 is arranged at the lower left side position of the water inlet pipeline B9, hydrogen peroxide is introduced through the bottom of the cyclone liquid phase mixer, a ferrous sulfate cyclone liquid phase mixer 7 for conveniently adding ferrous sulfate is arranged at the lower left side position of the hydrogen peroxide cyclone liquid phase mixer 6, a Fenton reagent has strong oxidation capability with ferrous sulfate, an organic matter can be oxidized by the Fenton reagent, a circulating pump 13 playing a role in outputting power is arranged at the lower left side position of the tower body 1, a circulating pump 13 is arranged at the upper left side position of the circulating liquid phase mixer 7, the circulating pump 13 is connected with a power supply pipeline for promoting the removal of a chemical oxidation state of a power supply, and the chemical oxidation state is realized, and the chemical oxidation state of the chemical oxidation substance is in a high-grade fluid is promoted by the circulating pump 13.

As shown in fig. 1, a water outlet tank 11 for water outlet of a circulating pump is arranged at the inner position of the right upper side of the tower body 1, a tower water outlet 12 is arranged at the outer position of the right upper side of the tower body 1, the tower water outlet 12 is connected with the inner part of the tower body 1, a water inlet pipe of the tower body 1, a water inlet tank 5 and the height of the tower water outlet 12 on the tower body 1 are positioned on the same horizontal line, a water inlet pipe 3 is arranged at the left upper side position of the water inlet tank 5, a sulfuric acid dosing pipe 4 for regulating the pH value is arranged at the right side position of the water inlet pipe 3, the water inlet tank 5 comprises a water return tank for water inlet of the circulating pump, a distribution homogenizing plate is arranged on the water inlet tank 5, sewage is uniformly distributed to the water return tank, a water inlet pipe A8 is respectively connected with the water inlet pipe 3 and the circulating pump 13, a water inlet pipe B9 is communicated with the inner part of the bottom side of the tower body 1 and is connected to a distribution head 10, the water inlet pipe B9 is respectively arranged at the lower side positions of the left and right ends of the tower body 1, the distribution head 10 which can lead water to flow out evenly is a water distribution pipeline which is evenly distributed at the bottom of the tower body, the distribution pipeline is evenly provided with arrangement holes for installing the distribution head 10, the novel device can lead hydrogen peroxide and ferrous sulfate to be evenly distributed through the distribution head 10 and then react, most of generated ferric iron can be crystallized or deposited and coated on the surface of the carrier 2 on the fluidized bed, most of the ferric iron can be crystallized or deposited and coated on the surface of the carrier 2 on the fluidized bed, the crystals are FeOOH, the FeOOH has heterogeneous catalysis effect, the adding amount of ferrous sulfate can be greatly reduced, the chemical sludge yield of a large amount of the traditional Fenton method can be reduced, when the device is used, the water outlet pipeline of the circulating pump 13 is communicated with the water inlet pipeline of the ferrous liquid phase mixer, the water inlet pipeline A8 of the circulating pump 13 is connected to the connector of the water inlet tank 5, after the circulating pump 13 is started by a user, part of sewage enters the water inlet tank 5 from the outside, the chemical agent of the ferrous sulfate rotational flow liquid phase mixer 7 is driven by the circulating pump 13 to flow into the distributing head 10 from the bottom of the tower body 1, small holes are uniformly formed on the distributing head 10, the mixed water flow uniformly flows into the bottom of the tower body 1, and the sewage and the chemical agent on the carrier 2 achieve a better reaction effect.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that various modifications can be made in the foregoing embodiments, or equivalents can be substituted for elements thereof, and any modifications, equivalents, improvements or changes that fall within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides an enhancement mode crystallization formula fluidized bed FBR-Fenton method oxidation tower, includes tower body (1), its characterized in that: the hydrogen peroxide cyclone liquid phase mixer comprises a tower body (1), wherein a support body (2) is arranged at the inner side position of the tower body (1), a distribution head (10) is arranged at the lower side position of the support body (2), a water inlet channel (5) is arranged at the left upper side inner position of the tower body (1), a water inlet pipeline B (9) is arranged at the left lower side outer position of the tower body (1), a hydrogen peroxide cyclone liquid phase mixer (6) is arranged at the left lower side position of the water inlet pipeline B (9), a ferrous sulfate cyclone liquid phase mixer (7) is arranged at the left lower side position of the hydrogen peroxide cyclone liquid phase mixer (6), a circulating pump (13) is arranged at the left lower side position of the ferrous sulfate cyclone liquid phase mixer (7), a water inlet pipeline A (8) is arranged at the left upper side position of the circulating pump (13), and the circulating pump (13) is connected with an external power supply for supplying power.

2. An enhanced crystalline fluidized bed FBR-Fenton process oxidizer as set forth in claim 1, wherein: the water outlet tank (11) is arranged at the inner position of the right upper side of the tower body (1), and the tower body water outlet (12) is arranged at the outer position of the right upper side of the tower body (1).

3. An enhanced crystalline fluidized bed FBR-Fenton process oxidizer as set forth in claim 1, wherein: the upper left side position of intake groove (5) is provided with inlet tube (3), the right side position of inlet tube (3) is provided with sulphuric acid dosing tube (4).

4. An enhanced crystalline fluidized bed FBR-Fenton process oxidizer as set forth in claim 1, wherein: the water inlet tank (5) comprises a circulating water return tank, a distribution homogenizing plate is arranged on the water inlet tank (5), and sewage is uniformly distributed to the water return tank.

5. An enhanced crystalline fluidized bed FBR-Fenton process oxidizer as set forth in claim 1, wherein: the water inlet pipeline A (8) is respectively connected with the water inlet pipe (3) and the circulating pump (13).

6. An enhanced crystalline fluidized bed FBR-Fenton process oxidizer as set forth in claim 1, wherein: the water inlet pipeline B (9) is communicated with the inside of the tower body (1) and is connected to the distribution head (10), and the water inlet pipeline B (9) is respectively arranged at the lower side positions of the left end and the right end of the tower body (1).