CN212450832U

CN212450832U - Biochemical treatment system for stainless steel washing wastewater

Info

Publication number: CN212450832U
Application number: CN202020527903.6U
Authority: CN
Inventors: 项力中; 张瑜; 妙林峰
Original assignee: Zhejiang Dada Stainless Steel Co ltd
Current assignee: Zhejiang Dada Stainless Steel Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-02-02
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses a biochemical treatment system of stainless steel washing waste water, including circulative cooling pond, 1# anaerobism pond, 2# good oxygen pond, 3# good oxygen pond, 4# good oxygen pond and 5# final sedimentation tank, flush tank to and upper circulation system and lower circulation system. The utility model discloses a 1# anaerobism pond, 2# good oxygen pond, 3# good oxygen pond, 4# good oxygen pond and 5# final sedimentation tank carry out biochemical treatment to washing waste water, realize the purification of stainless steel washing waste water, have better purifying effect, simultaneously, adopt upper and lower circulation system, realize purifying many times, promote purifying effect.

Description

Biochemical treatment system for stainless steel washing wastewater

Technical Field

The utility model relates to a biochemical treatment system of stainless steel washing waste water.

Background

The stainless steel washing wastewater needs to be subjected to physicochemical treatment and biochemical treatment in sequence, after the physicochemical treatment is finished, the stainless steel washing wastewater needs to be subjected to biochemical treatment again for discharge or recycling, and a biochemical treatment system with a reasonable structure and a good effect is lacked at present.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a biochemical treatment system of stainless steel washing waste water to the problem pointed out in the background art has effectively been solved.

The utility model adopts the technical proposal that:

the utility model provides a biochemical treatment system of stainless steel washing waste water, is including the circulative cooling pond that is used for collecting washing waste water, consecutive 1# anaerobism pond, 2# aerobic pond, 3# aerobic pond, 4# aerobic pond and 5# final sedimentation tank around, and flush tank, washing waste water in the circulative cooling pond sends into 1# anaerobism pond through the intake pump, the outlet and the flush tank of 5# final sedimentation tank link to each other, water in the flush tank overflows to the circulative cooling pond in from upper portion, the upper portion in 1# anaerobism pond, 2# aerobic pond, 3# aerobic pond, 4# aerobic pond and the bottom in 5# final sedimentation tank all are equipped with down circulation branch pipe way, the other end of lower circulation branch pipe way links to each other with the total pipeline of lower circulation, be equipped with 1# lower circulation valve, lower circulation branch pipe way on 1# anaerobism pond, 2# aerobic pond, 3# aerobic pond, 4# aerobic pond and the 5# final sedimentation tank respectively, Circulation valve under 2#, circulation valve under 3#, circulation valve under 4# and circulation valve under 5#, circulation main pipe is equipped with down the circulating pump under 1# between circulation valve and the circulation valve under 2#, the circulation pump is carried to circulation valve under 1# down to the interior liquid of circulation main pipe down, circulation main pipe still is equipped with the mud discharge pipe between circulation valve under circulation pump and 1# down, the mud discharge pipe on be equipped with the mud discharge valve, the outlet in 5# final sedimentation pond links to each other through the one end of intaking of last circulation pipe with the intake pump, last circulation pipe on be equipped with the circulation valve.

If the water discharged from the No. 5 final sedimentation tank does not meet the requirement, the water discharged from the No. 5 final sedimentation tank can be sent back to the No. 1 anaerobic tank for secondary biochemical treatment through the upper circulating system, so that the biochemical treatment effect is improved.

To 2# aerobic tank, 3# aerobic tank, 4# aerobic tank and 5# final sedimentation tank bottom mud wash waste water, accessible lower circulation system is sent back 1# anaerobic tank and is carried out biochemical treatment once more to improve biochemical treatment's effect, when the interior mud of the total pipeline of lower circulation was more, can open mud discharge valve and discharge mud from mud discharge pipeline.

Preferably, the # 2 aerobic tank, the # 3 aerobic tank and the # 4 aerobic tank are respectively provided with an oxygen supply branch pipe, the other end of the oxygen supply branch pipe is connected with an oxygen supply main pipe, the oxygen supply branch pipes of the # 2 aerobic tank, the # 3 aerobic tank and the # 4 aerobic tank are respectively provided with a # 2 oxygen supply valve, a # 3 oxygen supply valve and a # 4 oxygen supply valve, and gas in the oxygen supply main pipe is supplied by an air pump.

The No. 2 aerobic tank, the No. 3 aerobic tank and the No. 4 aerobic tank are used for feeding external air into the aerobic tanks through air pumps, and the required oxygen is provided for the No. 2 aerobic tank, the No. 3 aerobic tank and the No. 4 aerobic tank.

Preferably, a flow meter and a water outlet valve are sequentially arranged on a water inlet pipeline at the front end of the flushing water tank forward, and the flushing water tank is connected with a flushing water gun.

The flow meter is used for measuring the amount of the flushing wastewater actually subjected to biochemical treatment, the outlet valve controls the flushing wastewater subjected to biochemical treatment to enter the flushing water tank, the flushing water gun can flush by utilizing the flushing wastewater subjected to biochemical treatment in the flushing water tank, and the excessive flushing wastewater in the flushing water tank overflows into the circulating cooling tank to be stored and is subjected to biochemical treatment again.

Preferably, the flushing wastewater in the No. 1 anaerobic tank overflows to the No. 2 aerobic tank from the upper part, the flushing wastewater in the No. 2 aerobic tank is guided to the No. 3 aerobic tank from the lower part, the flushing wastewater in the No. 3 aerobic tank overflows to the No. 4 aerobic tank from the upper part, and the flushing wastewater in the No. 4 aerobic tank is guided to the No. 5 final sedimentation tank from the lower part.

The overflow diversion mode can improve the biochemical treatment effect.

The utility model discloses a 1# anaerobism pond, 2# good oxygen pond, 3# good oxygen pond, 4# good oxygen pond and 5# final sedimentation tank carry out biochemical treatment to washing waste water, realize the purification of stainless steel washing waste water, have better purifying effect, simultaneously, adopt upper and lower circulation system, realize purifying many times, promote purifying effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description of specific embodiments thereof, which is illustrated in the accompanying drawings.

Example 1

As shown in fig. 1, a biochemical treatment system for stainless steel washing wastewater comprises a circulating cooling tank for collecting washing wastewater, a # 1 anaerobic tank, a # 2 aerobic tank, a # 3 aerobic tank, a # 4 aerobic tank, a # 5 final sedimentation tank and a washing water tank, wherein the # 1 anaerobic tank, the # 2 aerobic tank, the # 3 aerobic tank, the # 4 aerobic tank, the # 5 final sedimentation tank and the washing water tank are sequentially connected from front to back, the washing wastewater in the circulating cooling tank is sent into the # 1 anaerobic tank through a water inlet pump, a water outlet of the # 5 final sedimentation tank is connected with the washing water tank, water in the washing water tank overflows into the circulating cooling tank from the upper part, lower circulating branch pipelines are respectively arranged at the bottoms of the # 1 anaerobic tank, the # 2 aerobic tank, the # 3 aerobic tank, the # 4 aerobic tank and the # 5 final sedimentation tank, the other ends of the lower circulating branch pipelines are connected with a lower circulating main pipeline, and lower circulating branch pipelines of the # 1 anaerobic tank, the # 2 aerobic tank, the # 3 aerobic tank, the #, Circulation valve under 2#, circulation valve under 3#, circulation valve under 4# and circulation valve under 5#, circulation main pipe is equipped with down the circulating pump under 1# between circulation valve and the circulation valve under 2#, the circulation pump is carried to circulation valve under 1# down to the interior liquid of circulation main pipe down, circulation main pipe still is equipped with the mud discharge pipe between circulation valve under circulation pump and 1# down, the mud discharge pipe on be equipped with the mud discharge valve, the outlet in 5# final sedimentation pond links to each other through the one end of intaking of last circulation pipe with the intake pump, last circulation pipe on be equipped with the circulation valve.

The utility model discloses a 2# aerobic tank, 3# aerobic tank and 4# aerobic tank are equipped with respectively in the branch pipe of sending oxygen, send the other end of branch pipe of oxygen and send the oxygen house steward to link to each other, be equipped with respectively on the branch pipe of sending oxygen of 2# aerobic tank, 3# aerobic tank and 4# aerobic tank 2# send oxygen valve, 3# send oxygen valve and 4# to send oxygen valve, send the intraductal gas of oxygen house steward to send into through the air pump.

The water inlet pipeline at the front end of the flushing water tank is provided with a flow meter and a water outlet valve forward in sequence, and the flushing water tank is connected with a flushing water gun.

The washing wastewater in the No. 1 anaerobic tank overflows to the No. 2 aerobic tank from the upper part, the washing wastewater in the No. 2 aerobic tank is guided to the No. 3 aerobic tank from the lower part, the washing wastewater in the No. 3 aerobic tank overflows to the No. 4 aerobic tank from the upper part, and the washing wastewater in the No. 4 aerobic tank is guided to the No. 5 final sedimentation tank from the lower part.

The utility model discloses a theory of operation:

the method comprises the steps that the washing wastewater after physicochemical treatment is sent into a circulating cooling tank to be stored, when biochemical treatment is carried out, a water inlet pump is started to send the washing wastewater in the circulating cooling tank into a No. 1 anaerobic tank, then the washing wastewater sequentially passes through a No. 2 aerobic tank, a No. 3 aerobic tank, a No. 4 aerobic tank and a No. 5 final sedimentation tank to be treated, then the washing wastewater is discharged from the No. 5 final sedimentation tank and sent into a washing water tank, water in the washing water tank can be utilized by a washing water gun to be washed, and if too much water in the washing water tank overflows and flows into the circulating cooling tank.

The air pump sends the outside air into 2# aerobic tank, 3# aerobic tank, 4# aerobic tank to promote its biochemical treatment effect.

When the water discharged from the No. 5 final sedimentation tank does not meet the requirements, the water outlet valve can be closed, and the upper circulating valve can be opened, so that the water discharged from the No. 5 final sedimentation tank flows back to the No. 1 anaerobic tank for biochemical treatment again.

The bottom of the 2# aerobic tank, the bottom of the 3# aerobic tank, the bottom of the 4# aerobic tank and the bottom of the 5# final sedimentation tank can be respectively opened with a 2# lower circulation valve, a 3# lower circulation valve, a 4# lower circulation valve and a 5# lower circulation valve, the sludge is discharged from a lower circulation branch pipeline and enters a lower circulation main pipeline, the 1# lower circulation valve is opened, the lower circulation pump is started, the sludge can enter a 1# anaerobic tank for repeated treatment, the lower circulation treatment is realized, when the sludge in the lower circulation main pipeline is more, the 1# lower circulation valve can be closed, the sludge discharge valve is opened, and the sludge is discharged from the sludge discharge pipeline.

Finally, it should be noted that the above-mentioned embodiments are only specific embodiments of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.

Claims

1. The biochemical treatment system is characterized by comprising a circulating cooling tank for collecting flushing wastewater, a # 1 anaerobic tank, a # 2 aerobic tank, a # 3 aerobic tank, a # 4 aerobic tank and a # 5 final sedimentation tank which are sequentially connected from front to back, and a flushing water tank, wherein the flushing wastewater in the circulating cooling tank is sent into the # 1 anaerobic tank through a water inlet pump, a water outlet of the # 5 final sedimentation tank is connected with the flushing water tank, water in the flushing water tank overflows into the circulating cooling tank from the upper part, the bottoms of the # 1 anaerobic tank, the # 2 aerobic tank, the # 3 aerobic tank, the # 4 aerobic tank and the # 5 final sedimentation tank are respectively provided with a lower circulating branch pipeline, the other end of the lower circulating branch pipeline is connected with a lower circulating main pipeline, and lower circulating branch pipelines of the # 1 anaerobic tank, the # 2 aerobic tank, the # 3 aerobic tank, the # 4 aerobic tank and the # 5 final sedimentation tank are respectively provided with a # lower circulating valve, Circulation valve under 2#, circulation valve under 3#, circulation valve under 4# and circulation valve under 5#, circulation main pipe is equipped with down the circulating pump under 1# between circulation valve and the circulation valve under 2#, the circulation pump is carried to circulation valve under 1# down to the interior liquid of circulation main pipe down, circulation main pipe still is equipped with the mud discharge pipe between circulation valve under circulation pump and 1# down, the mud discharge pipe on be equipped with the mud discharge valve, the outlet in 5# final sedimentation pond links to each other through the one end of intaking of last circulation pipe with the intake pump, last circulation pipe on be equipped with the circulation valve.

2. The biochemical treatment system for stainless steel washing wastewater according to claim 1, wherein oxygen supply branch pipes are respectively disposed in the 2# aerobic tank, the 3# aerobic tank and the 4# aerobic tank, the other ends of the oxygen supply branch pipes are connected to an oxygen supply main pipe, the oxygen supply branch pipes of the 2# aerobic tank, the 3# aerobic tank and the 4# aerobic tank are respectively provided with a 2# oxygen supply valve, a 3# oxygen supply valve and a 4# oxygen supply valve, and gas in the oxygen supply main pipe is supplied by a gas pump.

3. The biochemical treatment system for stainless steel washing wastewater as claimed in claim 1, wherein a flow meter and a water outlet valve are sequentially arranged on a water inlet pipeline at the front end of the washing water tank, and the washing water tank is connected with a washing water gun.

4. The biochemical treatment system for stainless steel washing wastewater as claimed in claim 1, wherein the washing wastewater in the # 1 anaerobic tank overflows from the upper part to the # 2 aerobic tank, the washing wastewater in the # 2 aerobic tank is guided from the lower part to the # 3 aerobic tank, the washing wastewater in the # 3 aerobic tank overflows from the upper part to the # 4 aerobic tank, and the washing wastewater in the # 4 aerobic tank is guided from the lower part to the # 5 final sedimentation tank.