CN219567750U

CN219567750U - Treatment equipment for DMF (dimethyl formamide) -containing high-concentration organic wastewater

Info

Publication number: CN219567750U
Application number: CN202320644377.5U
Authority: CN
Inventors: 王宏飞; 吕正磊
Original assignee: Suzhou Wuwei Environmental Technology Co ltd
Current assignee: Suzhou Wuwei Environmental Technology Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-22
Anticipated expiration: 2033-03-28

Abstract

The utility model relates to equipment for treating DMF high-concentration organic wastewater, which comprises an oxidation tank, an electrolytic tank, a PH regulating tank, a cylinder type filter, an evaporator, an anaerobic reactor and an aerobic tank, wherein the oxidation tank is communicated with the PH regulating tank, the oxidation tank and the electrolytic tank form a loop through a circulating pump and a pipeline, the PH regulating tank is communicated with the cylinder type filter, a water outlet of the cylinder type filter is communicated with the evaporator, a condensed water outlet of the evaporator is communicated with the anaerobic reactor, the anaerobic reactor is communicated with the aerobic tank, and a standard discharge outlet is arranged at the tail end of the aerobic tank. The treatment equipment of the DMF high-concentration organic wastewater adopts an electro-Fenton system to remove organics such as DMF in the wastewater, improves the sludge-water separation efficiency through a cylinder filter, removes high-boiling-point organics, ammonia nitrogen and salt through an evaporator, and improves the stability of water; the technical stability is high, the occupied area is small, the automation degree is high, and the treatment efficiency is high.

Description

Treatment equipment for DMF (dimethyl formamide) -containing high-concentration organic wastewater

Technical Field

The utility model relates to the technical field of wastewater treatment, in particular to treatment equipment for high-concentration organic wastewater containing DMF.

Background

In industrial production, DMF-containing wastewater is generated, if the DMF content is too high, the wastewater can generate toxicity to biochemistry, in addition, the DMF has higher chemical stability, is not easy to degrade in nature, can seriously affect the stability of biochemistry, and simultaneously, ammonia nitrogen and total nitrogen are easy to exceed standards. Therefore, there is a need to develop a treatment system for DMF-containing wastewater.

Disclosure of Invention

The utility model aims to provide treatment equipment for high-concentration organic wastewater containing DMF, which is used for solving the problem that the wastewater containing DMF in the prior art has toxicity to biochemistry.

The utility model provides equipment for treating DMF high-concentration organic wastewater, which comprises an oxidation tank, an electrolytic tank, a PH regulating tank, a barrel filter, an evaporator, an anaerobic reactor and an aerobic tank, wherein the oxidation tank is communicated with the PH regulating tank, the oxidation tank and the electrolytic tank form a loop through a circulating pump and a pipeline, waste water in the oxidation tank is pumped into the electrolytic tank to form an electro-Fenton reaction system, the DMF and other organic matters in the wastewater are degraded by utilizing the action of hydroxyl free radicals, the degraded wastewater enters the PH regulating tank through a communication port of the oxidation tank and the PH regulating tank to carry out PH regulation, the PH regulating tank is communicated with the barrel filter, the pH-regulated wastewater is subjected to mud-water separation through the barrel filter, a water outlet of the barrel filter is communicated with the evaporator, clear liquid after mud-water separation enters the evaporator to carry out high-temperature distillation in the evaporator to remove high-boiling organic matters, ammonia nitrogen and salt, a condensate water outlet of the evaporator is communicated with the anaerobic reactor, the anaerobic reactor is communicated with the aerobic tank, and a standard-reaching discharge port is arranged at the tail end of the aerobic tank, and the wastewater is discharged after the anaerobic reaction tank reaches the standard and is treated well.

Further, an acid feeding pipe and a hydrogen peroxide feeding pipe are arranged on the oxidation tank, an alkali feeding pipe is arranged on the PH regulating tank, and the feeding amount of acid and alkali is automatically controlled by a PH instrument, so that hydrogen peroxide is quantitatively fed.

Further, a sludge outlet of the cylinder filter is communicated to a sludge bin.

Further, a liquid filtering pool is arranged between the cylinder type filter and the evaporator, a water outlet of the cylinder type filter is connected with the liquid filtering pool, and a water outlet of the liquid filtering pool is communicated with the evaporator.

Further, a condensate water collecting tank is arranged between the evaporator and the anaerobic reactor, a condensate water port of the evaporator is connected with the condensate water collecting tank, and the condensate water collecting tank is communicated to the anaerobic reactor.

Further, a concentrated solution outlet is arranged at the bottom of the evaporator.

The technical scheme of the utility model has the beneficial effects that:

the treatment equipment of the DMF high-concentration organic wastewater adopts an electro-Fenton system to remove organics such as DMF in the wastewater, improves the sludge-water separation efficiency through a cylinder filter, removes high-boiling-point organics, ammonia nitrogen and salt through an evaporator, and improves the stability of water; the technical stability is high, the occupied area is small, the automation degree is high, and the treatment efficiency is high.

Drawings

FIG. 1 is a schematic diagram of a treatment device for DMF high concentration organic wastewater;

in the drawings, the list of components represented by the various numbers is as follows:

1-oxidation tank, 2-electrolytic tank, 3-PH regulating tank, 4-cylinder filter, 5-evaporator, 6-anaerobic reactor, 7-aerobic tank, 8-acid feed pipe, 9-hydrogen peroxide feed pipe, 10-alkali feed pipe, 11-circulating pump, 12-sludge bin, 13-filtering liquid tank, 14-condensed water collecting tank,

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.

As shown in FIG. 1, the treatment equipment for the DMF high-concentration organic wastewater comprises an oxidation tank 1, an electrolytic tank 2, a PH regulating tank 3, a cylinder type filter 4, an evaporator 5, an anaerobic reactor 6 and an aerobic tank 7, wherein the oxidation tank 1 is communicated with the PH regulating tank 3, an acid feed pipe 8 and a hydrogen peroxide feed pipe 9 are arranged on the oxidation tank 1, an alkali feed pipe 10 is arranged on the PH regulating tank 3, the addition of acid and alkali is automatically controlled by a PH meter, the hydrogen peroxide is quantitatively added, the oxidation tank 1 and the electrolytic tank 2 form a loop through a circulating pump 11 and a pipeline, the high-concentration DMF organic wastewater enters the oxidation tank 1, the hydrogen peroxide is fully mixed, the PH meter automatically controls the addition of acid, the quantitative addition is carried out, waste water in the oxidation tank 1 is pumped into the electrolytic tank 2 to form an electro-Fenton reaction system, the degraded by utilizing the action of hydroxyl radicals, the degraded waste water enters the PH regulating tank 3 through a communication port of the oxidation tank 1 and the PH regulating tank 3, the PH meter automatically controls the addition of alkali, the PH meter is well controlled by the PH meter 3, the condensate water is discharged from the cylinder type filter 4 and the evaporator 5 and the high-concentration DMF is communicated with an ammonia nitrogen filter, the ammonia nitrogen filter is discharged from the cylinder type filter 5 and the high-concentration DMF filter 5, the condensate is communicated with an aerobic tank 7, and the ammonia nitrogen filter is discharged from the evaporator 5 and the high-concentration evaporator is communicated with an aerobic tank 7 through the evaporator 5, and the evaporator is communicated with the evaporator 5 and the high-temperature filter is discharged from the evaporator 5. The working principle of the embodiment is as follows: organic wastewater containing DMF is degraded by an electro-Fenton system formed by an oxidation tank 1 and an electrolytic tank 2 to remove organics such as DMF, then the organics are subjected to mud-water separation by a cylinder filter 4, then high-boiling-point organics, ammonia nitrogen and salt are removed by an evaporator 5, and condensed water is subjected to biochemical treatment by an anaerobic reactor 6 and an aerobic tank 7 and then discharged after reaching the standard.

Specifically, the sludge outlet of the cylinder filter 4 is communicated to the sludge bin 12, and the dry sludge is subjected to external treatment.

Specifically, a liquid filtering tank 13 is arranged between the cylinder type filter 4 and the evaporator 5, a water outlet of the cylinder type filter 4 is connected with the liquid filtering tank 13, a water outlet of the liquid filtering tank 13 is communicated with the evaporator 5, and liquid filtered by the cylinder type filter 4 is pumped into the evaporator 5 after passing through the liquid filtering tank 13.

Specifically, a condensate water collecting tank 14 is arranged between the evaporator 5 and the anaerobic reactor 6, a condensate water port of the evaporator 5 is connected with the condensate water collecting tank 14, the condensate water collecting tank 14 is communicated with the anaerobic reactor 6, and condensate water is pumped into the anaerobic reactor 6 after passing through the condensate water collecting tank 14.

Specifically, a concentrated solution outlet is arranged at the bottom of the evaporator 5.

In conclusion, the treatment equipment of the DMF high-concentration organic wastewater adopts an electro-Fenton system to remove organics such as DMF in the wastewater, improves the mud-water separation efficiency through a cylinder filter, removes high-boiling-point organics, ammonia nitrogen and salt through an evaporator, and improves the stability of water; the technical stability is high, the occupied area is small, the automation degree is high, and the treatment efficiency is high.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides a contain DMF high concentration organic wastewater's treatment equipment, its characterized in that includes oxidation pond, electrolytic bath, PH equalizing basin, barrel filter, evaporimeter, anaerobic reactor and good oxygen pond, oxidation pond and PH equalizing basin intercommunication, and oxidation pond and electrolytic bath pass through circulating pump and pipeline formation return circuit, PH equalizing basin and barrel filter intercommunication, barrel filter's delivery port and evaporimeter intercommunication, the comdenstion water export and the anaerobic reactor intercommunication of evaporimeter, anaerobic reactor and good oxygen pond intercommunication, good oxygen pond end sets up the discharge port up to standard.

2. The treatment equipment for the DMF high-concentration organic wastewater according to claim 1, wherein an acid feeding pipe and a hydrogen peroxide feeding pipe are arranged on the oxidation tank, and an alkali feeding pipe is arranged on the PH regulating tank.

3. The equipment for treating high-concentration organic wastewater containing DMF according to claim 1, wherein a sludge outlet of the cylinder filter is communicated to a sludge bin.

4. The treatment equipment for the DMF high-concentration organic wastewater containing the DMF according to claim 1, wherein a liquid filtering tank is arranged between the cylinder type filter and the evaporator, a water outlet of the cylinder type filter is connected with the liquid filtering tank, and a water outlet of the liquid filtering tank is communicated with the evaporator.

5. The treatment equipment for the DMF high-concentration organic wastewater containing the DMF according to claim 1, wherein a condensed water collecting tank is arranged between the evaporator and the anaerobic reactor, a condensed water port of the evaporator is connected with the condensed water collecting tank, and the condensed water collecting tank is communicated with the anaerobic reactor.

6. The treatment equipment for the DMF high concentration organic wastewater according to claim 1, wherein a concentrated solution outlet is arranged at the bottom of the evaporator.