CN212450833U

CN212450833U - Biochemical treatment system of stainless steel washing wastewater with adjusting device

Info

Publication number: CN212450833U
Application number: CN202020528003.3U
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 with adjusting device, including circulative cooling pond, adjusting device, the front and back consecutive 1# anaerobism pond, 2# good oxygen pond, 3# good oxygen pond, 4# good oxygen pond and 5# final sedimentation tank to and flush tank, 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 to stainless steel washing waste water, have better purifying effect, simultaneously, adopt upper and lower circulation system, realize purifying many times, promote purifying effect, adjusting device can adjust washing waste water when necessary to do benefit to biochemical treatment.

Description

Biochemical treatment system of stainless steel washing wastewater with adjusting device

Technical Field

The utility model relates to a biochemical treatment system of stainless steel washing wastewater with adjusting device.

Background

The stainless steel flushing wastewater needs to be subjected to physicochemical treatment and biochemical treatment in sequence, after the physicochemical treatment is finished, the stainless steel flushing wastewater needs to be subjected to biochemical treatment again for discharge or recycling, a biochemical treatment system with a reasonable structure and a good effect is absent at present, meanwhile, after the physicochemical treatment is finished, the pH of the flushing wastewater is often in acidity or alkalinity, floccules possibly exist in the flushing wastewater, and if the biochemical treatment is directly carried out after the physicochemical treatment is finished, the biochemical treatment effect can be influenced, and even the biochemical treatment fails.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a biochemical treatment system of stainless steel washing wastewater with adjusting device 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 with adjusting device, is including the circulative cooling pond that is used for collecting washing waste water, adjusting device, the preceding and following consecutive 1# anaerobism pond, 2# aerobic pond, 3# aerobic pond, 4# aerobic pond and 5# final sedimentation tank to and flushing tank, washing waste water in the circulative cooling pond flows automatically and gets into adjusting device, and washing waste water through adjusting device processing sends into 1# anaerobism pond through the intake pump, the outlet of 5# final sedimentation tank links to each other with flushing tank, water in the flushing tank overflows to the circulative cooling pond from upper portion in, the upper portion in 1# anaerobism pond, the bottom in 2# aerobic pond, 3# aerobic pond, 4# aerobic pond and 5# final sedimentation tank all is equipped with down the circulation pipeline, the other end of lower circulation pipeline links to each other with the total pipeline of lower circulation, 1# anaerobism pond, 2# pond, The lower circulation branch pipeline of the 3# aerobic tank, the 4# aerobic tank and the 5# final sedimentation tank is respectively provided with a 1# lower circulation valve, a 2# lower circulation valve, a 3# lower circulation valve, a 4# lower circulation valve and a 5# lower circulation valve, the lower circulation main pipeline is provided with a lower circulation pump between the 1# lower circulation valve and the 2# lower circulation valve, liquid in the lower circulation main pipeline is conveyed to the 1# lower circulation valve by the lower circulation pump, the lower circulation main pipeline is further provided with a sludge discharge pipeline between the lower circulation valve and the 1# lower circulation valve, the sludge discharge pipeline is provided with a sludge discharge valve, a water outlet of the 5# final sedimentation tank is connected with one water inlet end of the water inlet pump through an upper circulation pipeline, and the upper circulation pipeline is provided with an upper 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 adjusting device comprises an adjusting barrel A, an adjusting barrel B and an adjusting barrel C which are sequentially placed on the same horizontal plane from right to left, a straight-flow pipe which is horizontally placed is respectively arranged between the adjusting barrel A and the adjusting barrel B as well as between the adjusting barrel B and the adjusting barrel C, a flushing wastewater inlet connected with the circulating cooling tank is arranged on the adjusting barrel A, a No. 1 dosing barrel for adding alkali liquor into the adjusting barrel A is arranged on the adjusting barrel A, alkali liquor is added into the adjusting barrel A through a No. 1 dosing pump by the No. 1 dosing barrel, a No. 2 dosing barrel for adding a flocculating agent into the adjusting barrel B and a No. 3 dosing barrel for adding a flocculating agent into the adjusting barrel B are arranged on the adjusting barrel B, the flocculating agent is added into the adjusting barrel B through a No. 2 dosing pump by the No. 2 dosing barrel B, the flocculating agent is added into the adjusting barrel B through a No. 3 dosing pump by the No. 3 dosing barrel, a flushing wastewater outlet connected with a water inlet of the water inlet pump is arranged on the adjusting barrel C, and the 4# medicine adding barrel is used for adding acid liquor into the adjusting barrel C, and the 4# medicine adding barrel is used for adding the acid liquor into the adjusting barrel C through the 4# medicine adding pump.

Adjust the pH of the acidic waste water that washes to neutral in adjusting bucket A to be convenient for adjust bucket B and deposit the flocculus that will wash in the waste water, discharge after adjusting to neutral alkaline waste water pH through adjusting bucket C at last, be convenient for follow-up biochemical treatment.

Preferably, the adjusting device further comprises a pH monitor A and a pH monitor C which are respectively used for monitoring the pH values in the adjusting barrel A and the adjusting barrel C, wherein an electrode of the pH monitor A extends into the adjusting barrel A, and an electrode of the pH monitor C extends into the adjusting barrel C.

And the pH monitor A and the pH monitor C are used for monitoring the pH in real time and controlling the 1# dosing pump and the 4# dosing pump according to the monitored pH value.

Preferably, when the pH monitor A monitors that the pH value in the adjusting barrel A is less than or equal to 6.5, the No. 1 dosing pump is started, alkali liquor in the No. 1 dosing barrel is added into the adjusting barrel A, and the No. 1 dosing pump stops working until the pH monitor A monitors that the pH value in the adjusting barrel A is more than or equal to 7.5.

Add alkali liquor to adjusting barrel A through 1# dosing pump to adjust PH to neutral, be convenient for wash the waste water and carry out the sediment of floccule in adjusting barrel B.

Preferably, when the pH monitor C monitors that the pH value in the adjusting barrel C is more than or equal to 9, the No. 4 dosing pump is started, acid liquid in the No. 4 dosing barrel is added into the adjusting barrel C, and the No. 4 dosing pump stops working until the pH monitor C monitors that the pH value in the adjusting barrel C is less than or equal to 7.5.

Acid liquor is added into the adjusting barrel C through a No. 4 dosing pump, so that the pH is adjusted to be neutral, and the subsequent biochemical treatment is facilitated.

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 to stainless steel washing waste water, have better purifying effect, simultaneously, adopt upper and lower circulation system, realize purifying many times, promote purifying effect, adjusting device can adjust washing waste water when necessary to do benefit to biochemical treatment.

Drawings

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

fig. 2 is a schematic structural diagram of the adjusting device.

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. 1-2, a biochemical treatment system for stainless steel flushing wastewater with a regulating device comprises a circulating cooling tank for collecting flushing wastewater, a regulating device, 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 in front and back, and a flushing water tank, wherein the flushing wastewater in the circulating cooling tank automatically flows into the regulating device, the flushing wastewater treated by the regulating device 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, lower circulating branch pipelines are respectively arranged at the upper part of the # 1 anaerobic tank, the bottoms of the # 2 aerobic tank, the # 3 aerobic tank, the # 4 aerobic tank and the # 5 final sedimentation tank, and the other end of each lower circulating branch pipeline is connected with a lower circulating main pipeline, the sewage treatment device is characterized in that a lower circulating branch pipeline of a No. 1 anaerobic tank, a No. 2 aerobic tank, a No. 3 aerobic tank, a No. 4 aerobic tank and a No. 5 final sedimentation tank is respectively provided with a No. 1 lower circulating valve, a No. 2 lower circulating valve, a No. 3 lower circulating valve, a No. 4 lower circulating valve and a No. 5 lower circulating valve, a lower circulating main pipeline is provided with a lower circulating pump between the No. 1 lower circulating valve and the No. 2 lower circulating valve, liquid in the lower circulating main pipeline is conveyed to the No. 1 lower circulating valve through the lower circulating pump, a sludge discharge pipeline is further arranged between the lower circulating pump and the No. 1 lower circulating valve, the sludge discharge pipeline is provided with a sludge discharge valve, a water outlet of the No. 5 final sedimentation tank is connected with the water inlet end of a water inlet pump through the upper circulating pipeline, and the upper circulating valve is arranged on the upper.

The adjusting device comprises an adjusting barrel A, an adjusting barrel B and an adjusting barrel C which are sequentially placed on the same horizontal plane from the right side to the left side, a straight-flow pipe horizontally placed is respectively arranged between the adjusting barrel A and the adjusting barrel B as well as between the adjusting barrel B and the adjusting barrel C, a flushing wastewater inlet connected with a circulating cooling pool is arranged on the adjusting barrel A, a 1# dosing barrel for adding alkali liquor into the adjusting barrel A is arranged on the adjusting barrel A, the 1# dosing barrel adds alkali liquor into the adjusting barrel A through a 1# dosing pump, a 2# dosing barrel for adding a flocculating agent into the adjusting barrel B and a 3# dosing barrel for adding a coagulant aid into the adjusting barrel B are arranged on the adjusting barrel B, the 2# dosing barrel adds the flocculating agent into the adjusting barrel B through a 2# dosing pump, the 3# dosing barrel adds the coagulant aid into the adjusting barrel B through a 3# dosing pump, a flushing wastewater outlet connected with a water inlet of a water inlet pump is arranged on the adjusting barrel C, and the 4# medicine adding barrel is used for adding acid liquor into the adjusting barrel C, and the 4# medicine adding barrel is used for adding the acid liquor into the adjusting barrel C through the 4# medicine adding pump.

Adjusting device still including being used for the monitoring respectively to adjust PH monitor A and the PH monitor C of pH value in bucket A and the regulation bucket C, PH monitor A's electrode stretches into in adjusting bucket A, PH monitor C's electrode stretches into in the regulation bucket C.

When the PH monitor A monitors that the PH value in the adjusting barrel A is less than or equal to 6.5, the No. 1 dosing pump is started, alkali liquor in the No. 1 dosing barrel is added into the adjusting barrel A, and the No. 1 dosing pump stops working until the PH monitor A monitors that the PH value in the adjusting barrel A is more than or equal to 7.5.

When the PH monitor C monitors that the PH value in the adjusting barrel C is larger than or equal to 9, the No. 4 dosing pump is started, acid liquor in the No. 4 dosing barrel is added into the adjusting barrel C, and the No. 4 dosing pump stops working until the PH monitor C monitors that the PH value in the adjusting barrel C is smaller than or equal to 7.5.

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, the washing wastewater in the circulating cooling tank automatically flows into an adjusting device to be treated, after the washing wastewater is treated by the adjusting device, the washing wastewater is sent into a 1# anaerobic tank through a water inlet pump, then is sequentially treated by a 2# aerobic tank, a 3# aerobic tank, a 4# aerobic tank and a 5# final sedimentation tank, is discharged from the 5# final sedimentation tank and is 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.

The working principle of the adjusting device is as follows:

the flushing wastewater in the circulating cooling pool automatically flows into the adjusting barrel A from the flushing wastewater inlet, the flushing wastewater in the adjusting barrel A overflows into the adjusting barrel B from the straight-flow pipe, the flushing wastewater in the adjusting barrel B overflows into the adjusting barrel C from the straight-flow pipe, and finally the flushing wastewater is discharged from the flushing wastewater outlet for subsequent biochemical treatment.

When the PH monitor A monitors that the PH value in the adjusting barrel A is less than or equal to 6.5, the 1# dosing pump is started, alkali liquor in the 1# dosing barrel is added into the adjusting barrel A, and the 1# dosing pump stops working until the PH monitor A monitors that the PH value in the adjusting barrel A is more than or equal to 7.5.

When the washing waste water in the adjusting barrel B has floccules, namely is relatively muddy, the 2# dosing pump and the 3# dosing pump are started, the flocculating agent in the 2# dosing barrel and the coagulant aid in the 3# dosing barrel are added into the adjusting barrel B respectively to precipitate the floccules until the floccules in the washing waste water in the adjusting barrel B disappear, and the 2# dosing pump and the 3# dosing pump stop working.

When the PH monitor C monitors that the PH in the adjusting barrel C is larger than or equal to 9, the 4# dosing pump is started, acid liquid in the 4# dosing barrel is added into the adjusting barrel C, and the 4# dosing pump stops working until the PH monitor C monitors that the PH in the adjusting barrel C is smaller than or equal to 7.5.

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 utility model provides a biochemical treatment system of stainless steel washing waste water with adjusting device, its characterized in that, including the circulative cooling pond that is used for collecting washing waste water, adjusting device, the consecutive 1# anaerobism pond, 2# aerobic pond, 3# aerobic pond, 4# aerobic pond and 5# final sedimentation tank of front and back to and flush tank, the washing waste water in the circulative cooling pond flows automatically and gets into adjusting device, and the washing waste water who handles through adjusting device sends into 1# anaerobism pond through the intake pump, the outlet of 5# final sedimentation tank links to each other with flush tank, the water in the flush tank overflows to the circulative cooling pond in from upper portion, the upper portion in 1# anaerobism pond, the bottom in 2# aerobic pond, 3# aerobic pond, 4# aerobic pond and 5# final sedimentation tank all are equipped with down circulation branch pipe, the other end of lower circulation branch pipe links to each other end with the total pipeline of lower circulation, 1# anaerobism pond, The lower circulation branch pipelines of the 2# aerobic tank, the 3# aerobic tank, the 4# aerobic tank and the 5# final sedimentation tank are respectively provided with a 1# lower circulation valve, a 2# lower circulation valve, a 3# lower circulation valve, a 4# lower circulation valve and a 5# lower circulation valve, the lower circulation main pipeline is provided with a lower circulation pump between the 1# lower circulation valve and the 2# lower circulation valve, liquid in the lower circulation main pipeline is conveyed to the 1# lower circulation valve through the lower circulation pump, the lower circulation main pipeline is further provided with a sludge discharge pipeline between the lower circulation pump and the 1# lower circulation valve, the sludge discharge pipeline is provided with a sludge discharge valve, a water outlet of the 5# final sedimentation tank is connected with the water inlet end of the water inlet pump through an upper circulation pipeline, and the upper circulation pipeline is provided with an upper circulation valve.

2. The biochemical treatment system of stainless steel washing wastewater with an adjusting device according to claim 1, wherein the adjusting device comprises an adjusting barrel A, an adjusting barrel B and an adjusting barrel C which are sequentially arranged on the same horizontal plane from right to left, a straight-flow pipe which is horizontally arranged is respectively arranged between the adjusting barrel A and the adjusting barrel B, between the adjusting barrel B and the adjusting barrel C, a washing wastewater inlet which is connected with a circulating cooling tank and a No. 1 dosing barrel which adds alkali liquor into the adjusting barrel A are arranged on the adjusting barrel A, the No. 1 dosing barrel adds alkali liquor into the adjusting barrel A through a No. 1 dosing pump, a No. 2 dosing barrel which adds flocculant into the adjusting barrel B and a No. 3 dosing barrel which adds coagulant aid into the adjusting barrel B are arranged on the adjusting barrel B, the No. 2 dosing barrel adds flocculant into the adjusting barrel B through a No. 2 dosing pump, the 3# adds the medicine bucket and adds coagulant aid in adjusting the bucket B through 3# dosing pump, adjust the bucket C on be equipped with the washing waste water export of intake pump water inlet to and to adjusting the 4# of bucket of adding medicine of bucket C internal feeding acidizing fluid, 4# add the medicine bucket and add acidizing fluid through 4# dosing pump in adjusting the bucket C.

3. The biochemical treatment system of stainless steel washing wastewater with adjusting device according to claim 2, wherein the adjusting device further comprises a PH monitor a and a PH monitor C for monitoring PH in the adjusting barrel a and the adjusting barrel C, respectively, wherein an electrode of the PH monitor a extends into the adjusting barrel a, and an electrode of the PH monitor C extends into the adjusting barrel C.

4. The biochemical treatment system of stainless steel washing wastewater with an adjusting device according to claim 3, wherein when the pH monitor A monitors that the pH value in the adjusting barrel A is less than or equal to 6.5, the No. 1 dosing pump is started, the alkali liquor in the No. 1 dosing barrel is added into the adjusting barrel A, and the No. 1 dosing pump stops working until the pH monitor A monitors that the pH value in the adjusting barrel A is more than or equal to 7.5.

5. The biochemical treatment system for stainless steel washing wastewater with an adjusting device according to claim 4, wherein when the pH monitor C monitors that the pH value in the adjusting barrel C is greater than or equal to 9, the No. 4 dosing pump is started to add the acid solution in the No. 4 dosing barrel into the adjusting barrel C, and the No. 4 dosing pump stops working until the pH monitor C monitors that the pH value in the adjusting barrel C is less than or equal to 7.5.

6. The biochemical treatment system of stainless steel washing wastewater with adjusting device according to claim 5, wherein the # 2, # 3 and # 4 aerobic tanks are respectively provided with an oxygen supply branch pipe, the other ends of the oxygen supply branch pipes are connected with an oxygen supply main pipe, the oxygen supply branch pipes of the # 2, # 3 and # 4 aerobic tanks are respectively provided with an oxygen supply valve # 2, an oxygen supply valve # 3 and an oxygen supply valve # 4, and the gas in the oxygen supply main pipe is supplied by a gas pump.

7. The biochemical treatment system of stainless steel washing wastewater with adjusting device according to claim 6, wherein a flow meter and a water outlet valve are arranged on the water inlet pipe at the front end of the washing water tank in sequence, and the washing water tank is connected with a washing water gun.

8. The biochemical treatment system of stainless steel washing wastewater with a regulating device according to claim 7, 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.