CN212198661U

CN212198661U - Novel multistage Fenton oxidation water purification tank

Info

Publication number: CN212198661U
Application number: CN202020451977.6U
Authority: CN
Inventors: 刘保妍; 李兴盼; 刘建庭
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-12-22
Anticipated expiration: 2030-04-01

Abstract

The utility model discloses a novel multi-section Fenton oxidation water purification tank, which relates to the field of environmental protection equipment and comprises a sealed reaction tank, an air distribution system, a chemical distribution system, a water inlet pipe, a water drain pipe and a back flushing device, wherein the sealed reaction tank is divided into a first reaction tank, a second reaction tank, a third reaction tank and an overflow well by a first overflow baffle, a second overflow baffle and a third overflow baffle which are sequentially reduced in height; a pressure control valve is arranged at the top of the sealed reaction tank; and back flushing devices facing the first reaction tank, the second reaction tank and the third reaction tank are respectively arranged above the first overflow partition plate, the second overflow partition plate and the third overflow partition plate. The novel multi-section Fenton oxidation water purification tank has controllable internal pressure, improves the solubility of hydrogen peroxide in water by improving the internal pressure, and further improves the water purification effect of the water purification tank; the final purification effect of the sewage is improved by a multi-stage gradual oxidation method; and the back flushing device prevents the floating foam in the sewage from being discharged along with the purified sewage.

Description

Novel multistage Fenton oxidation water purification tank

Technical Field

The utility model belongs to the technical field of the environmental protection equipment and specifically relates to a novel multistage Fenton oxidation clean water basin.

Background

The traditional wastewater treatment technology comprises a biochemical method, a coagulating sedimentation method, an adsorption method and the like, and H.J. Fenton in 1894 discovers that various complex organic matters can be oxidized by adopting ferrous ions and hydrogen peroxide, then, a Fenton reagent is mainly used for enzyme reaction and research on influence of hydroxyl radicals on cells, and the Fenton method is not used for wastewater treatment until more than ten years.

The Fenton reagent is essentially a hydroxyl radical catalyzed by a chain reaction between ferrous ions and hydrogen peroxide, and researches show that the oxidation potential of the free radical can almost oxidize all organic matters, and the organic matters which cannot be degraded by the traditional wastewater treatment technology can be effectively removed by oxidation of the Fenton reagent, so that the Fenton method has great research value and application value in wastewater treatment, and the Fenton reagent is successfully applied to treatment of various industrial wastewater.

At present, the organic pollutants can be fully decomposed by continuously introducing a large amount of hydrogen peroxide to treat the wastewater by a Fenton method, so that a large amount of waste of the hydrogen peroxide is caused, and the cost is very high.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, guarantee sewage treatment efficiency, reduce hydrogen peroxide consumption, the utility model provides a novel multistage Fenton oxidation clean water basin.

The utility model provides a technical scheme that its technical problem adopted is: a novel multi-section Fenton oxidation water purification tank comprises a sealed reaction tank, an air distribution system, a chemical distribution system, a water inlet pipe, a water drain pipe and a back flushing device, wherein the sealed reaction tank is divided into a first reaction tank, a second reaction tank, a third reaction tank and an overflow well by a first overflow partition plate, a second overflow partition plate and a third overflow partition plate which are sequentially reduced in height; a pressure control valve is arranged at the top of the sealed reaction tank, the water inlet pipe extends into the first reaction tank from the front end of the sealed reaction tank, and the water outlet pipe extends into the overflow well from the rear end of the sealed reaction tank; the gas distribution system comprises a main gas distribution pipe surrounding the lower part of the outer side of the sealed reaction tank and a gas distribution pipe communicated with the main gas distribution pipe and parallelly penetrating through the first reaction tank, the second reaction tank and the third reaction tank, and gas outlet holes are arranged on the gas distribution pipe at equal intervals; the medicine distribution system comprises a main medicine distribution pipe extending into the upper part of the first reaction tank from the front end of the self-sealing reaction tank and medicine distribution calandria communicated with the main medicine distribution pipe and arranged in parallel above the first reaction tank, and medicine outlet holes are arranged below the medicine distribution calandria at equal intervals; and back flushing devices facing the first reaction tank, the second reaction tank and the third reaction tank are respectively arranged above the first overflow partition plate, the second overflow partition plate and the third overflow partition plate.

Foretell novel multistage Fenton oxidation clean water basin, the level of cloth medicine calandria, inlet tube, first overflow baffle, second overflow baffle, third overflow baffle and drain pipe reduces in proper order.

The novel multi-section Fenton oxidation water purification tank is characterized in that an oxidation resistant layer is electroplated inside the sealed reaction tank and on the surfaces of the first overflow partition plate, the second overflow partition plate and the third overflow partition plate.

Foretell a novel multistage Fenton oxidation clean water reservoir, the cloth gas calandria is higher than sealed reaction tank and is less than the third overflow baffle height, avoids the flocculent precipitate to block up the venthole.

Foretell a novel multistage Fenton oxidation clean water basin, sealed reaction tank lateral wall is provided with the window of decontaminating towards first reaction tank, second reaction tank and third reaction tank respectively, is convenient for clear up the flocculent precipitate in first reaction tank, second reaction tank and the third reaction tank.

The utility model has the advantages that:

1. the novel multi-section Fenton oxidation water purification tank has controllable internal pressure, improves the solubility of hydrogen peroxide in water by improving the internal pressure, and further improves the water purification effect of the water purification tank;

2. the final purification effect of the sewage is improved by a multi-stage gradual oxidation method;

3. and the back flushing device prevents the floating foam in the sewage from being discharged along with the purified sewage.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the structure of the gas distribution system of the present invention.

In the figure, 1, a sealed reaction tank, 2, a water inlet pipe, 3, a water discharge pipe, 4, a back flushing device, 5, a first overflow baffle, 6, a second overflow baffle, 7, a third overflow baffle, 8, a first reaction tank, 9, a second reaction tank, 10, a third reaction tank, 11, an overflow well, 12, a main gas distribution pipe, 13, a gas distribution grid pipe, 14, a gas outlet hole, 15, a main chemical distribution pipe, 16, a chemical distribution grid pipe and 17, a pressure control valve are arranged.

Detailed Description

In order to more clearly illustrate the technical solution of the present invention, the following provides a further description of the present invention with reference to the accompanying drawings, and obviously, the following described drawings are only one embodiment of the present invention, and for those skilled in the art, other embodiments can be obtained according to the drawings and the embodiment without any creative work, and all belong to the protection scope of the present invention.

A novel multi-section Fenton oxidation water purification tank comprises a sealed reaction tank 1, an air distribution system, a chemical distribution system, a water inlet pipe 2, a water outlet pipe 3 and a back flushing device 4, wherein the sealed reaction tank 1 is divided into a first reaction tank 8, a second reaction tank 9, a third reaction tank 10 and an overflow well 11 by a first overflow partition plate 5, a second overflow partition plate 6 and a third overflow partition plate 7 which are sequentially reduced in height; a pressure control valve 17 is arranged at the top of the sealed reaction tank 1, the water inlet pipe 2 extends into the first reaction tank 8 from the front end of the sealed reaction tank 1, and the water outlet pipe 3 extends into the overflow well 11 from the rear end of the sealed reaction tank 1; the gas distribution system comprises a main gas distribution pipe 12 surrounding the lower part of the outer side of the sealed reaction tank 1 and a gas distribution calandria 13 communicated with the main gas distribution pipe 12 and parallelly penetrating through the first reaction tank 8, the second reaction tank 9 and the third reaction tank 10, and gas outlet holes 14 are equidistantly arranged in the gas distribution calandria 13; the medicine distribution system comprises a main medicine distribution pipe 15 extending into the upper part of the first reaction tank 8 from the front end of the self-sealing reaction tank 1 and a medicine distribution calandria 16 communicated with the main medicine distribution pipe 15 and arranged in parallel above the first reaction tank 8, and medicine outlet holes are arranged below the medicine distribution calandria 16 at equal intervals; and a back flushing device 4 facing the first reaction tank 8, the second reaction tank 9 and the third reaction tank 10 is respectively arranged above the first overflow partition plate 5, the second overflow partition plate 6 and the third overflow partition plate 7.

In detail, the horizontal heights of the medicine distributing calandria 16, the water inlet pipe 2, the first overflow partition plate 5, the second overflow partition plate (6), the third overflow partition plate 7 and the drain pipe 3 are sequentially reduced; the interior of the sealed reaction tank 1 and the surfaces of the first overflow partition plate 5, the second overflow partition plate 6 and the third overflow partition plate 7 are plated with anti-oxidation layers; the air distribution calandria 13 is higher than the sealed reaction tank 1 and lower than the third overflow baffle 7; the side wall of the sealed reaction tank 1 is provided with a decontamination window which respectively faces the first reaction tank 8, the second reaction tank 9 and the third reaction tank 10.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims

1. The utility model provides a novel multistage Fenton oxidation clean water reservoir, includes sealed reaction tank (1), cloth gas system, cloth medicine system, inlet tube (2), drain pipe (3) and blowback device (4), its characterized in that: the sealed reaction tank (1) is divided into a first reaction tank (8), a second reaction tank (9), a third reaction tank (10) and an overflow well (11) by a first overflow partition plate (5), a second overflow partition plate (6) and a third overflow partition plate (7) with the heights sequentially reduced; a pressure control valve (17) is arranged at the top of the sealed reaction tank (1), the front end of the self-sealing reaction tank (1) of the water inlet pipe (2) extends into the first reaction tank (8), and the rear end of the self-sealing reaction tank (1) of the water discharge pipe (3) extends into the overflow well (11); the gas distribution system comprises a main gas distribution pipe (12) surrounding the lower part of the outer side of the sealed reaction tank (1) and a gas distribution calandria (13) communicated with the main gas distribution pipe (12) and parallelly penetrating through the first reaction tank (8), the second reaction tank (9) and the third reaction tank (10), and gas outlet holes (14) are equidistantly arranged in the gas distribution calandria (13); the medicine distribution system comprises a main medicine distribution pipe (15) extending into the upper part of the first reaction tank (8) from the front end of the self-sealing reaction tank (1) and a medicine distribution calandria (16) communicated with the main medicine distribution pipe (15) and arranged in parallel above the first reaction tank (8), and medicine outlet holes are arranged below the medicine distribution calandria (16) at equal intervals; and a back flushing device (4) facing the first reaction tank (8), the second reaction tank (9) and the third reaction tank (10) is respectively arranged above the first overflow partition plate (5), the second overflow partition plate (6) and the third overflow partition plate (7).

2. The novel multi-stage Fenton oxidation water purification pool as claimed in claim 1, wherein the levels of the medicine distribution calandria (16), the water inlet pipe (2), the first overflow baffle (5), the second overflow baffle (6), the third overflow baffle (7) and the water outlet pipe (3) are sequentially reduced.

3. The novel multi-stage Fenton oxidation water purification tank as claimed in claim 1, wherein the inside of the sealed reaction tank (1) and the surfaces of the first overflow partition (5), the second overflow partition (6) and the third overflow partition (7) are plated with anti-oxidation layers.

4. The novel multi-stage Fenton oxidation clean water pond according to claim 1, characterized in that the air distribution calandria (13) is higher than the sealed reaction pond (1) and lower than the third overflow baffle (7).

5. The novel multi-stage Fenton oxidation water purification tank as claimed in claim 1, wherein the side wall of the sealed reaction tank (1) is provided with a cleaning window respectively facing the first reaction tank (8), the second reaction tank (9) and the third reaction tank (10).