CN209797557U

CN209797557U - novel Fenton catalytic oxidation handles device

Info

Publication number: CN209797557U
Application number: CN201920201212.4U
Authority: CN
Inventors: 王康; 陈坤
Original assignee: Wuhan Nine State Environmental Technology Co Ltd
Current assignee: Wuhan Nine State Environmental Technology Co Ltd
Priority date: 2019-02-15
Filing date: 2019-02-15
Publication date: 2019-12-17
Anticipated expiration: 2029-02-15

Abstract

The utility model relates to an advanced oxidation technical field just discloses a novel fenton catalytic oxidation handles device, including the integration retort, the inside of integration retort divide into acidification reaction zone, magnetic catalyst reaction zone, hydrogen peroxide reaction zone, alkalifying reaction zone, sludge settling zone's top fixed mounting has the overflow weir, the top fixed mounting of integration retort has the pH meter, the quantity of pH meter is three, and is three the bottom of pH meter is located respectively acidification reaction zone, magnetic catalyst reaction zone, the inside of alkalifying reaction zone. This novel fenton catalytic oxidation processing apparatus, the optimization through the reaction partition structure of the internal portion of integration retort has improved waste water at the internal portion's of jar dwell time to throw the valve through PLC control system to each and adjust the automatic accurate control that can realize reagent, thereby optimize the treatment effect of waste water, and then improved this fenton oxidation processing apparatus's practicality.

Description

Novel Fenton catalytic oxidation handles device

Technical Field

The utility model relates to an advanced oxidation technology field specifically is a novel fenton catalytic oxidation handles device.

Background

The Fenton method is a technology which is researched and applied more, compared with other advanced oxidation technologies, the technology has the advantages of fast reaction, easy operation and automatic flocculation, and the Fenton reagent is the combination of Fe < + > and OH, the two reagents can react to generate hydroxyl free radicals OH with high oxidation activity, and the OH can degrade and mineralize most organic matters, and particularly has stronger oxidation capacity on organic wastewater which has high toxicity and is difficult to oxidize and degrade by common oxidants or biochemically.

The traditional Fenton method wastewater treatment process has the problems that the adding amount of a medicament is difficult to control and the amount of iron-containing sludge is large, many Fenton treatment devices adopt a mode of manually adding the medicament, the labor intensity is high, the precision control is not enough, the medicament waste and the treatment effect are unstable, the treatment difficulty is increased by a large amount of generated iron-containing sludge, and along with the increasing strictness of the environmental protection requirement, the traditional Fenton treatment device has the defect that the iron-containing sludge is large, so that the traditional Fenton method wastewater treatment process is not suitable for the national energy-saving and environment-friendly idea.

SUMMERY OF THE UTILITY MODEL

the not enough to prior art, the utility model provides a novel fenton catalytic oxidation treatment device, but possess the dosing amount of accurate control medicament and effectively reduce the iron-containing sludge, the advantage, it has the problem that the dose is thrown to the difficult control medicament and the iron-containing sludge volume is big simultaneously to have solved traditional fenton method treatment wastewater technology, a lot of fenton treatment facility adopt the artifical mode of throwing the medicament, intensity of labour is big and accuracy control is not enough, cause the waste of medicament and the unstability of treatment effect, the degree of difficulty of handling has also been increased to a large amount of iron-containing sludge of production, along with environmental protection requirement stricter day by day, traditional fenton treatment facility has the shortcoming that iron-containing sludge is many and has not been suitable for the problem of the national energy-concerving and environment-.

The utility model provides a following technical scheme: a novel Fenton catalytic oxidation treatment device comprises an integrated reaction tank, wherein the inside of the integrated reaction tank is divided into an acid adding reaction zone, a magnetic catalyst reaction zone, a hydrogen peroxide reaction zone, an alkali adding reaction zone and a sludge settling zone, an overflow weir is fixedly arranged above the sludge settling zone, a pH meter is fixedly arranged above the integrated reaction tank, the number of the pH meter is three and three, the bottom end of the pH meter is respectively positioned inside the acid adding reaction zone, the magnetic catalyst reaction zone and the alkali adding reaction zone, an ORP analyzer is fixedly arranged at the top of the integrated reaction tank, the number of the ORP analyzer is two, the bottom ends of the ORP analyzer are respectively positioned inside the magnetic catalyst reaction zone and the alkali adding reaction zone, a COD detector is fixedly arranged at the top of the integrated reaction tank, and the bottom end of the COD detector is positioned inside the hydrogen peroxide reaction zone, the bottom fixed mounting of integration retort has magnetism recovery unit, it has the sulfuric acid tank to add the sour reaction zone through the fixed intercommunication of sulfuric acid pipeline, magnetism catalyst reaction zone has the magnetic oxidant jar through the fixed intercommunication of magnetism catalyst pipe and magnetism catalyst microtube, the hydrogen peroxide reaction zone has the hydrogen peroxide solution jar through the fixed intercommunication of hydrogen peroxide pipe and hydrogen peroxide microtube, it has the lye jar through the fixed intercommunication of lye pipe to add the alkali reaction zone, the fixed intercommunication in top of mud sedimentation zone through mud back flow and magnetism oxidant jar, the equal fixed mounting in inside of sulphuric acid pipe, magnetism catalyst microtube, hydrogen peroxide pipe, hydrogen peroxide microtube, lye pipe, mud back flow throws the pump, the equal fixed mounting in inside of magnetism catalyst pipe, magnetism catalyst microtube, hydrogen peroxide microtube has the throwing valve that is located below throwing the pump, the COD detector, the two ORP analyzers, the seven feeding pumps, the four feeding valves and the three pH meters are all electrically connected with a PLC control system through leads.

Preferably, the sludge settling zone is in an inverted trapezoid shape, and the magnetic recovery device is positioned outside two sides of the sludge settling zone.

Preferably, the top of the left side of the integrated reaction tank is fixedly communicated with a water inlet tank, and the water inlet tank is positioned in an acid adding reaction zone inside the integrated reaction tank.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. This novel fenton catalytic oxidation processing apparatus, the optimization through the reaction partition structure of the internal portion of integration retort has improved waste water at the internal portion's of jar dwell time to throw the valve through PLC control system to each and adjust the automatic accurate control that can realize reagent, thereby optimize the treatment effect of waste water, and then improved this fenton oxidation processing apparatus's practicality.

2. This novel fenton catalytic oxidation processing apparatus, the magnetism recovery unit through the mud sedimentation district can realize the recovery to magnetic catalyst and through throwing the inside that adds the pump and go magnetic catalyst pump again into magnetic oxidant jar, to the catalyst cyclic utilization after the use, so not only reduced artificial intensity of labour but also reduced the production volume of iron-containing mud to this fenton oxidation processing apparatus's practicality has been improved.

drawings

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

Fig. 2 is an enlarged schematic view of the structure at a position a of the present invention;

Fig. 3 is a schematic structural diagram of the integrated reaction tank of the present invention.

In the figure: 1. an integrated reaction tank; 2. a pH meter; 3. a PLC control system; 4. a wire; 5. a COD detector; 6. an overflow weir; 7. an alkali liquor tank; 8. a hydrogen peroxide solution tank; 9. a magnetic oxidant tank; 10. a sulfuric acid tank; 11. a dosing valve; 12. a sludge return pipe; 13. a magnetic recovery device; 14. a dosing pump; 15. an alkali adding reaction zone; 16. a hydrogen peroxide reaction zone; 17. a magnetic catalyst reaction zone; 18. an acid addition reaction zone; 19. A water inlet pipe; 20. a sulfuric acid pipe; 21. an ORP analyzer; 22. a magnetic catalyst micro tube; 23. a magnetic catalyst tube; 24. a hydrogen peroxide micro tube; 25. a hydrogen peroxide tube; 26. an alkali liquor tube; 27. a sludge settling zone.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a novel fenton catalytic oxidation treatment device comprises an integrated reaction tank 1, the integrated reaction tank 1 is divided into an acid adding reaction zone 18, a magnetic catalyst reaction zone 17, a hydrogen peroxide reaction zone 16, an alkali adding reaction zone 15 and a sludge settling zone 27, the left top of the integrated reaction tank 1 is fixedly communicated with a water inlet tank, the water inlet tank is positioned in the acid adding reaction zone 18 inside the integrated reaction tank 1, an overflow weir 6 is fixedly arranged above the sludge settling zone 27, the sludge settling zone 27 is in an inverted trapezoid shape, a magnetic recovery device 13 is positioned outside the two sides of the sludge settling zone 27, a pH meter 2 is fixedly arranged above the integrated reaction tank 1, the types of the pH meters 2 are pH-25, the number of the pH meters 2 is three, and the bottom ends of the three pH meters 2 are respectively positioned in the acid adding reaction zone 18, the magnetic catalyst reaction zone 17, the bottom end of the three pH meters 2, Inside the alkalifying reaction zone 15, the top of the integrated reaction tank 1 is fixedly provided with ORP analyzers 21, the models of the ORP analyzers 21 are MIK-PH6.0, the number of the ORP analyzers 21 is two, the bottom ends of the two ORP analyzers 21 are respectively positioned inside the magnetic catalyst reaction zone 17 and the alkalifying reaction zone 15, the top of the integrated reaction tank 1 is fixedly provided with a COD detector 5, the model of the COD detector 5 is CODLH-C1, the bottom end of the COD detector 5 is positioned inside the hydrogen peroxide reaction zone 16, the bottom of the integrated reaction tank 1 is fixedly provided with a magnetic recovery device 13, the acidification reaction zone 18 is fixedly communicated with a sulfuric acid tank 10 through a sulfuric acid pipe 20, the magnetic catalyst reaction zone 17 is fixedly communicated with a magnetic oxidant tank 9 through a magnetic catalyst pipe 23 and a magnetic catalyst micro tube 22, the hydrogen peroxide reaction zone 16 is fixedly communicated with a hydrogen peroxide solution tank 8 through a hydrogen peroxide pipe 25 and a hydrogen peroxide micro tube 24, the alkali adding reaction zone 15 is fixedly communicated with an alkali liquor tank 7 through an alkali liquor pipe 26, a sludge settling zone 27 is fixedly communicated with the top of a magnetic oxidant tank 9 through a sludge return pipe 12, a sulfuric acid pipe 20, a magnetic catalyst pipe 23, a magnetic catalyst micro-tube 22, a hydrogen peroxide pipe 25, a hydrogen peroxide micro-tube 24, an alkali liquor pipe 26 and the inside of the sludge return pipe 12 are all fixedly provided with a feeding pump 14, the type of the feeding pump 14 is GM-25/1.0, the inside of the magnetic catalyst pipe 23, the magnetic catalyst micro-tube 22, the hydrogen peroxide pipe 25 and the hydrogen peroxide micro-tube 24 are all fixedly provided with a feeding valve 11 positioned below the feeding pump 14, a COD detector 5, two ORP analyzers 21, seven feeding pumps 14, four feeding valves 11 and three pH meters are all electrically connected with a PLC control system 3 through leads 4, the PLC control system 3 is an electronic device specially designed for industrial production and operated by digital arithmetic operation, it uses a kind of programmable memory for storing program, executing logic operation, sequential control, timing, counting and arithmetic operation, etc. and controls various kinds of machinery or production process by digital or analog input or output.

When in use, wastewater enters the interior of the acidification reaction zone 18 through a water inlet pipe 19 above the integrated reaction tank 1, the pH value of the wastewater is transferred to a PLC system through a left pH meter 2 above the acidification reaction zone 18, a feeding pump 14 is controlled through the PLC system, sulfuric acid is fed into the acidification reaction zone 18, the pH value of the wastewater is adjusted to be 3-4, the wastewater after the pH is adjusted enters a magnetic catalyst reaction zone 17, the PLC control system 3 controls the feeding pump 14 and a feeding valve 11 according to the inflow rate to feed the magnetic catalyst, the wastewater enters a hydrogen peroxide reaction zone 16 after being uniformly mixed with the magnetic catalyst, the feeding valve 11 inside a hydrogen peroxide pipe 25 in the hydrogen peroxide reaction zone 16 is pre-fed according to the inflow rate, and the feeding valve 11 inside a hydrogen peroxide micro-tube 24 carries out micro-adjustment according to the data of an ORP analyzer 21 above the hydrogen peroxide micro-tube 24, thereby reach the purpose of waste water purification through fenton reaction with organic matter catalytic oxidation decomposition after the medicament misce bene, waste water after the reaction gets into and adds alkali reaction zone 15, give the PLC system with the pH of waste water for the pH meter 5 through adding the right pH meter above alkali reaction zone 15, control the pH value control of going out water about 7 through the PLC system to the alkali lye measuring pump, the clear solution after the purification completion passes through the overflow weir 6 discharge jar body of mud settling zone 27, the mud of sediment separates at the magnetic device of bottom, flow back magnetic catalyst to magnetic oxidant jar 9 through mud back flow 12, recycle again.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel fenton catalytic oxidation handles device, includes integration retort (1), its characterized in that: the integrated reaction tank (1) is internally divided into an acid adding reaction zone (18), a magnetic catalyst reaction zone (17), a hydrogen peroxide reaction zone (16), an alkali adding reaction zone (15) and a sludge settling zone (27), an overflow weir (6) is fixedly installed above the sludge settling zone (27), pH meters (2) are fixedly installed above the integrated reaction tank (1), the number of the pH meters (2) is three, the bottom ends of the three pH meters (2) are respectively positioned in the acid adding reaction zone (18), the magnetic catalyst reaction zone (17) and the alkali adding reaction zone (15), an ORP analyzer (21) is fixedly installed at the top of the integrated reaction tank (1), the number of the ORP analyzers (21) is two, and the bottom ends of the two ORP analyzers (21) are respectively positioned in the magnetic catalyst reaction zone (17) and the alkali adding reaction zone (15), the top fixed mounting of integration retort (1) has COD detector (5), the bottom of COD detector (5) is located the inside of hydrogen peroxide reaction district (16), the bottom fixed mounting of integration retort (1) has magnetism recovery unit (13), acidification reaction district (18) say that fixed intercommunication has sulfuric acid tank (10) through sulfuric acid pipe (20), magnetic catalyst reaction district (17) are through magnetic catalyst pipe (23) and magnetic catalyst microtube (22) fixed intercommunication have magnetic oxidant jar (9), hydrogen peroxide reaction district (16) are through hydrogen peroxide pipe (25) and hydrogen peroxide microtube (24) fixed intercommunication have hydrogen peroxide solution jar (8), it has alkali liquor jar (7) through alkali liquor pipe (26) fixed intercommunication to add alkali reaction district (15), sludge sedimentation district (27) are through the fixed intercommunication in the top of mud back flow (12) and magnetic oxidant jar (9), the utility model discloses a sewage treatment system, including sulphuric acid pipe (20), magnetic catalyst pipe (23), magnetic catalyst buret (22), hydrogen peroxide pipe (25), hydrogen peroxide buret (24), alkali liquor pipe (26), the equal fixed mounting in inside of mud back flow pipe (12) throws with pump (14), the equal fixed mounting in inside of magnetic catalyst pipe (23), magnetic catalyst buret (22), hydrogen peroxide pipe (25), hydrogen peroxide buret (24) has and is located throwing with valve (11) of pump (14) below, COD detector (5), two ORP analysis appearance (21), seven throw with pump (14), four throw with valve (11), three pH meter all have PLC control system (3) through wire (4) electric connection.

2. A novel fenton catalytic oxidation treatment apparatus according to claim 1, characterized in that: the sludge settling zone (27) is in an inverted trapezoid shape, and the magnetic recovery device (13) is positioned outside two sides of the sludge settling zone (27).

3. A novel fenton catalytic oxidation treatment apparatus according to claim 1, characterized in that: the top of the left side of the integrated reaction tank (1) is fixedly communicated with a water inlet tank, and the water inlet tank is positioned in an acid adding reaction area (18) inside the integrated reaction tank (1).