CN103359846B - Oily wastewater treatment system and process for treating oily wastewater by using same - Google Patents

Oily wastewater treatment system and process for treating oily wastewater by using same Download PDF

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Publication number
CN103359846B
CN103359846B CN201310343407.XA CN201310343407A CN103359846B CN 103359846 B CN103359846 B CN 103359846B CN 201310343407 A CN201310343407 A CN 201310343407A CN 103359846 B CN103359846 B CN 103359846B
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oil
oil trap
water
trap
header
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CN103359846A (en
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苏天宝
程建民
张学英
宋丰明
张春志
刘燕丽
陈华军
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Henan University of Urban Construction
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Henan University of Urban Construction
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Abstract

The invention relates to an oily wastewater treatment and a process for treating oily wastewater by using the same. A water diversion ditch is communicated with a first oil separation tank through a water inlet provided with a flashboard; the first oil separation tank is communicated with a second oil separation tank; the second oil separation tank is communicated with a third oil separation tank; the third oil separation tank is communicated with a fourth oil separation tank; the fourth oil separation tank is communicated with a fifth oil separation tank; the fifth oil separation tank is communicated with a sixth oil separation tank; a water turnover tank is communicated with a balancing tank; the balancing tank is communicated with a filtering channel; the filtering channel is communicated with a clean water tank; and the clean water tank is communicated with the outside. Based on different specific weights of water and oil in oily wastewater, the waste oil in the oily wastewater is purified out; the overall system is low in investment cost and remarkable in purification effect; purified water resources meet the requirements of the sewage discharge standard in China; and the invention has the advantages of energy saving, environment friendliness, simple process and high treatment and purification capability, protects the water resources from pollution, purifies the water resources and protects the environment.

Description

A kind of oil-contained waste water treatment system and utilize this system to process the technique of oily(waste)water
Technical field
The present invention relates to field of environment protection, be specifically related to a kind of oil-contained waste water treatment system and utilize this system to process the technique of oily(waste)water.
Background technology
Sewage disposal is the water quality requirement reusing for sewage is reached, and the process that it is purified.Sewage disposal is widely used in building, agricultural, and the every field such as traffic, the energy, petrochemical industry, environmental protection, urban look, medical treatment, food and drink are also come into common people's daily life more and more.Press sewage source classification, sewage disposal is generally divided into production waste and processes and sanitary sewage disposal.Production waste comprises industrial sewage, rural sewage and medical sewage etc., and sanitary sewage is exactly the sewage that daily life produces, and refers to various forms of inorganicss and organic complex mixture, comprising: the floating big or small solid particulate with suspending; Glue and gel diffusate; Pure solution.Divide by the matter of water dirt, the pollution of water has two classes: a class is natural pollution; Another kind of is artifact pollution.Water pollutes and can mainly be divided into chemical contamination, physical pollution and biotic pollution three major types according to polluting the difference of impurity.Pollutent mainly contains: unprocessed and discharge trade effluent; Unprocessed and discharge sanitary sewage; A large amount of farmland sewage that uses chemical fertilizer, agricultural chemicals, weedicide; Be deposited in trade waste and the domestic refuse of river bank; Soil erosion; Mine sewage.The method of disposing of sewage is a lot, generally can be summarized as Physical, chemical method and biological process etc.Physical: mainly utilize physical action to separate the non-solubility material in sewage, do not change chemical property in treating processes.Conventional have gravity separation, centrifugation, reverse osmosis, an air supporting etc.It is simpler, economical that Physical is processed structures, and, self-purification capacity large for villages and small towns water body capacity is strong, the less demanding situation of sewage disposal degree; Biological process: utilize the metabolic function of microorganism, the organic substance decomposing that is dissolving or colloidal state in sewage is oxidized to stable inorganic substance, sewage is purified.Conventional have activated sludge process and a biomembrance process.Biological process degree for the treatment of is higher than Physical; Chemical method: be to utilize chemical reaction to be used for processing or reclaiming the dissolved substance of sewage or the method for colloidalmaterial, be used for trade effluent.Conventional have Coagulation Method, neutralisation, oxidation reduction process, an ion exchange method etc.Method of chemical treatment treatment effect is good, expense is high, and the multiplex water outlet of doing after biochemical treatment, further processes, and improves effluent quality.
Current artifact pollution is larger to water body harm, therefore, produces a kind of simple in structure, easy to operate, working efficiency is high, and technique is simple, treatment and purification ability is strong, and the oil-contained waste water treatment system of energy-conserving and environment-protective and utilize this system to process the technique of oily(waste)water has wide market outlook.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of simple in structurely, easy to operate, working efficiency is high, and technique is simple, and treatment and purification ability is strong, the oil-contained waste water treatment system of energy-conserving and environment-protective and utilize this system to process the technique of oily(waste)water.
Technical scheme of the present invention is such realization: a kind of oil-contained waste water treatment system, comprise lead, be arranged on the lead flashboard of lead end, described lead is connected with the first oil trap by the water-in that is provided with flashboard, the bottom of the first oil trap is connected with the bottom of the second oil trap by the first Link Port, the bottom of the second oil trap is connected with the bottom of the 3rd oil trap by the second Link Port, the bottom of the 3rd oil trap is connected with the bottom of the 4th oil trap by the 3rd Link Port, the bottom of the 4th oil trap is connected with the bottom of the 5th oil trap by the 4th Link Port, the bottom of the 5th oil trap is connected with the bottom of the 6th oil trap by the 5th Link Port, in the 6th oil trap, be provided with and turn over pond, turn over pond arranged outside and have oil separating plate, the bottom of turning over pond is connected with the bottom of counterbalance cell by the 6th Link Port, between counterbalance cell and lead, be provided with interim blowdown flashboard, counterbalance cell is connected with filter vat, in filter vat, be provided with grid type carbon block filter frame, filter vat is connected with clean water basin, clean water basin are connected with the external world by the water port that is provided with drainage sluice, top at clean water basin is equipped with water shoot, the other end of water shoot is connected with the collecting well that is arranged on the 3rd oil trap and the 4th oil trap one side, the end of water shoot is provided with the water sucking mouth of upside down funnel shape in the bottom of collecting well, collecting well is connected with oil trap, the top of the 4th oil trap is connected with collecting well by the first oil header, the 5th oil trap is connected with collecting well by the second oil header, the 3rd oil trap is connected with oil trap by the 3rd oil header, the second oil trap is connected with oil trap by the 5th oil header, the first oil trap is connected with oil trap by the 6th oil header, the 6th oil trap is connected with oil trap by the 8th oil header, in the 4th oil trap, be provided with pump well.
Described the first oil trap, the second oil trap, the 3rd oil trap, the 4th oil trap, the 5th oil trap and the 6th oil trap are two row three and are listed as shape setting arranged side by side, the first oil trap, the second oil trap and the 3rd oil trap are a line, the 4th oil trap, the 5th oil trap and the 6th oil trap are a line, and water-in, the first Link Port, the second Link Port, the 3rd Link Port, the 4th Link Port and the 5th Link Port are distribution in a zigzag.
Be connected with the collecting well horizontal plane of position of described water shoot is not less than be connected with the clean water basin horizontal plane of position of water shoot, the first described oil header be not connected with the 4th oil trap higher than the first oil header horizontal plane of position of the horizontal plane of position that is connected with collecting well, the second described oil header be not connected with the 5th oil trap higher than the second oil header horizontal plane of position of the horizontal plane of position that is connected with collecting well, the 3rd oil header be not connected with the 3rd oil trap higher than the 3rd oil header horizontal plane of position of the horizontal plane of position that is connected with oil trap, the 5th oil header be not connected with the second oil trap higher than the 5th oil header horizontal plane of position of the horizontal plane of position that is connected with oil trap, the 6th oil header be not connected with the first oil trap higher than the 6th oil header horizontal plane of position of the horizontal plane of position that is connected with oil trap, the 8th oil header be not connected with the 6th oil trap higher than the 8th oil header horizontal plane of position of the horizontal plane of position that is connected with oil trap.
Described oil separating plate is arranged in the 6th oil trap by oil separating plate supporter, and the height of oil separating plate is 1/2nd of the 6th oil trap height, and the top of the top of oil separating plate and the 6th oil trap is in same level.
Described oil trap is arranged on a side of the first oil trap, the second oil trap and the 3rd oil trap, and at right angles shape distributes.
Described grid type carbon block filter frame is arranged in filter vat by filter frame groove.
Utilize above-mentioned oil-contained waste water treatment system to process a technique for oily(waste)water, it is characterized in that, its technique is as follows:
Oily(waste)water is introduced by lead, under the partition effect of lead flashboard, enter the first oil trap by water-in, because oil is different with the proportion of water, waste oil is on upper strata, water is in lower floor, after the oily(waste)water that enters the pending purification in the first oil trap flows slowly in the first oil trap, enter and in the second oil trap, carry out further purifying treatment by being arranged on the first Link Port of the first oil trap and the second oil trap connection portion bottom, according to above-mentioned steps, need oily(waste)water to be processed to enter successively the 3rd oil trap, the 4th oil trap, in the 5th oil trap and the 6th oil trap, process successively, in the time that waste oil gathers certain thickness, the flashboard part of water port is closed, make water level in each oil trap rise to the first oil header, the second oil header, the 3rd oil header, the 5th oil header, the mouth of pipe place of the 6th oil header and the 8th oil header, respectively by the first oil trap, the second oil trap, the 3rd oil trap, the 4th oil trap, the waste oil collecting on the 5th oil trap and the 6th oil trap upper strata is in collecting well, the oily(waste)water after treatment entering in the 6th oil trap is entered into and is turned over pond by the bottom of oil separating plate again, remaining waste oil is isolated in by oil separating plate in the 6th oil trap of turning over outside, pond, this part waste oil is collected in collecting well through the 8th oil header, turn over the clear water obtaining in pond and enter into counterbalance cell by the 6th Link Port that turns over basin bottom setting, and then inflow filter vat, in filter vat, be provided with grid type carbon block filter frame, the further adsorption treatment of water after utilizing charcoal piece to treatment and purification, reach the object of further purification, obtain meeting the clean water of state sewage emission standard requirement, final clean water source flow into clean water basin, and discharge through water port, the water of final discharge reaches sewage disposal emission standard, in the 4th oil trap, be provided with pump well, while removing contamination carry out pond after oil trap operation certain hour at the bottom of, lay the suction valve of water pump, the end of water shoot is provided with the water sucking mouth of upside down funnel shape in the bottom of collecting well, when waste water that the waste oil of collecting in collecting well contains is more, will under the waste oil pressure on collecting well top, drain from the hydraucone of water shoot bottom, and enter clean water basin, discharge with the clear water in clean water basin, between counterbalance cell and lead, be provided with interim blowdown flashboard, after whole system operation for some time, while carrying out removing contamination at the bottom of pond, open interim blowdown flashboard and lead flashboard, only depend on filter vat filtration, purification oily(waste)water water body.
The present invention has following positively effect: first; the present invention is simple and reasonable; utilize different that in oily(waste)water, water weighs from oil ratio; waste oil in oily(waste)water is purified out; whole system cost of investment is low; decontamination effect improving is obvious; water resources after purification meets state sewage emission standard requirement, energy-conserving and environment-protective, and system utilizes multiple oil traps to carry out deep purifying to oily(waste)water; and utilize multiple mode to dispose of sewage; technique is simple, and treatment and purification ability is strong, has protected water resources not contaminated; purify water resources, protected environment.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is collecting well structural representation of the present invention.
Fig. 3 is oil separating plate structural representation of the present invention.
Embodiment
As Fig. 1, 2, shown in 3, a kind of oil-contained waste water treatment system, comprise lead 1, be arranged on the lead flashboard 2 of lead 1 end, described lead 1 is connected with the first oil trap 4 by the water-in 3 that is provided with flashboard, the bottom of the first oil trap 4 is connected with the bottom of the second oil trap 5 by the first Link Port 10, the bottom of the second oil trap 5 is connected with the bottom of the 3rd oil trap 6 by the second Link Port 11, the bottom of the 3rd oil trap 6 is connected with the bottom of the 4th oil trap 7 by the 3rd Link Port 12, the bottom of the 4th oil trap 7 is connected with the bottom of the 5th oil trap 8 by the 4th Link Port 13, the bottom of the 5th oil trap 8 is connected with the bottom of the 6th oil trap 9 by the 5th Link Port 14, in the 6th oil trap 9, be provided with and turn over pond 19, turn over pond 19 arranged outside and have oil separating plate 16, the bottom of turning over pond 19 is connected with the bottom of counterbalance cell 20 by the 6th Link Port 21, between counterbalance cell 20 and lead 1, be provided with interim blowdown flashboard 38, counterbalance cell 20 is connected with filter vat 22, in filter vat 22, be provided with grid type carbon block filter frame 24, filter vat 22 is connected with clean water basin 25, clean water basin 25 are connected with the external world by the water port 26 that is provided with drainage sluice, be equipped with water shoot 28 on the top of clean water basin 25, the other end of water shoot 28 is connected with the collecting well 29 that is arranged on the 3rd oil trap 6 and the 4th oil trap 7 one sides, the end of water shoot 28 is provided with the water sucking mouth 17 of upside down funnel shape in the bottom of collecting well 29, collecting well 29 is connected with oil trap 37, the top of the 4th oil trap 7 is connected with collecting well 29 by the first oil header 30, the 5th oil trap 8 is connected with collecting well 29 by the second oil header 31, the 3rd oil trap 6 is connected with oil trap 37 by the 3rd oil header 32, the second oil trap 5 is connected with oil trap 37 by the 5th oil header 34, the first oil trap 4 is connected with oil trap 37 by the 6th oil header 35, the 6th oil trap 9 is connected with oil trap 37 by the 8th oil header 18, in the 4th oil trap 7, be provided with pump well 27.
Described the first oil trap 4, the second oil trap 5, the 3rd oil trap 6, the 4th oil trap 7, the 5th oil trap 8 and the 6th oil trap 9 are two row three and are listed as shape setting arranged side by side, the first oil trap 4, the second oil trap 5 and the 3rd oil trap 6 are a line, the 4th oil trap 7, the 5th oil trap 8 and the 6th oil trap 9 are a line, and water-in 3, the first Link Port 10, the second Link Port 11, the 3rd Link Port 12, the 4th Link Port 13 and the 5th Link Port 14 are distribution in a zigzag.Be connected with collecting well 29 horizontal plane of position of described water shoot 28 is not less than be connected with clean water basin 25 horizontal plane of position of water shoot 28, the first described oil header 30 be not connected with the 4th oil trap 7 higher than the first oil header 30 horizontal plane of position of the horizontal plane of position that is connected with collecting well 29, the second described oil header 31 be not connected with the 5th oil trap 8 higher than the second oil header 31 horizontal plane of position of the horizontal plane of position that is connected with collecting well 29, the 3rd oil header 32 be not connected with the 3rd oil trap 6 higher than the 3rd oil header 32 horizontal plane of position of the horizontal plane of position that is connected with oil trap 37, the 5th oil header 34 be not connected with the second oil trap 5 higher than the 5th oil header 34 horizontal plane of position of the horizontal plane of position that is connected with oil trap 37, the 6th oil header 35 be not connected with the first oil trap 4 higher than the 6th oil header 35 horizontal plane of position of the horizontal plane of position that is connected with oil trap 37, the 8th oil header 18 be not connected with the 6th oil trap 9 higher than the 8th oil header 18 horizontal plane of position of the horizontal plane of position that is connected with oil trap 37.Described oil separating plate 16 is arranged in the 6th oil trap 9 by oil separating plate supporter 15, and the height of oil separating plate 16 is 1/2nd of the 6th oil trap 9 height, and the top of the top of oil separating plate 16 and the 6th oil trap 9 is in same level.Described oil trap 37 is arranged on a side of the first oil trap 4, the second oil trap 5 and the 3rd oil trap 6, and at right angles shape distributes.Described grid type carbon block filter frame 24 is arranged in filter vat 22 by filter frame groove 23.
Utilize above-mentioned oil-contained waste water treatment system to process a technique for oily(waste)water, its technique is as follows:
Oily(waste)water is introduced by lead 1, under the partition effect of lead flashboard 2, enter the first oil trap 4 by water-in 3, because oil is different with the proportion of water, waste oil is on upper strata, water is in lower floor, enter the oily(waste)water of the pending purification in the first oil trap 4 after the interior unhurried current of the first oil trap 4, enter in the second oil trap 5 and carry out further purifying treatment by being arranged on the first Link Port 10 of the first oil trap 4 and the second oil trap 5 connection portions bottoms, according to above-mentioned steps, need oily(waste)water to be processed to enter successively the 3rd oil trap 6, the 4th oil trap 7, in the 5th oil trap 8 and the 6th oil trap 9, process successively, in the time that waste oil gathers certain thickness, the flashboard part of water port 26 is closed, make water level in each oil trap rise to the first oil header 30, the second oil header 31, the 3rd oil header 32, the 5th oil header 34, the mouth of pipe place of the 6th oil header 35 and the 8th oil header 18, respectively by the first oil trap 4, the second oil trap 5, the 3rd oil trap 6, the 4th oil trap 7, the waste oil collecting on the 5th oil trap 8 and the 6th oil trap 9 upper stratas is in collecting well 29, the oily(waste)water after treatment entering in the 6th oil trap 9 is entered into and is turned over pond 19 by the bottom of oil separating plate 16 again, remaining waste oil is isolated in by oil separating plate 16 in the 6th oil trap 9 of turning over 19 outsides, pond, this part waste oil is collected in collecting well 29 through the 8th oil header 18, turn over the clear water obtaining in pond 19 and enter into counterbalance cell 20 by the 6th Link Port 21 that turns over pond 19 bottoms settings, and then inflow filter vat 22, in filter vat 22, be provided with grid type carbon block filter frame 24, the further adsorption treatment of water after utilizing charcoal piece to treatment and purification, reach the object of further purification, obtain meeting the clean water of state sewage emission standard requirement, final clean water source flow into clean water basin 25, and discharge through water port 26, the water of final discharge reaches sewage disposal emission standard, in the 4th oil trap 7, be provided with pump well 27, while removing contamination carry out pond after oil trap operation certain hour at the bottom of, lay the suction valve of water pump, the end of water shoot 28 is provided with the water sucking mouth 17 of upside down funnel shape in the bottom of collecting well 29, when the waste water that contains of waste oil collected in collecting well 29 is more, will under the waste oil pressure on collecting well 29 tops, drain from the hydraucone of water shoot 28 bottoms, and enter clean water basin 25, discharge with the clear water in clean water basin 25, between counterbalance cell 20 and lead 1, be provided with interim blowdown flashboard 38, after whole system operation for some time, while carrying out removing contamination at the bottom of pond, open interim blowdown flashboard 38 and lead flashboard 2, only depend on filter vat 22 filtration, purification oily(waste)water water bodys.
The present invention invests little, and cost is low, and the energy of purifying waste water is strong, and decontamination effect improving is obvious, has good society and economic benefit.

Claims (7)

1. an oil-contained waste water treatment system, comprise lead (1), be arranged on the lead flashboard (2) of lead (1) end, it is characterized in that: described lead (1) is connected with the first oil trap (4) by the water-in (3) that is provided with flashboard, the bottom of the first oil trap (4) is connected with the bottom of the second oil trap (5) by the first Link Port (10), the bottom of the second oil trap (5) is connected with the bottom of the 3rd oil trap (6) by the second Link Port (11), the bottom of the 3rd oil trap (6) is connected with the bottom of the 4th oil trap (7) by the 3rd Link Port (12), the bottom of the 4th oil trap (7) is connected with the bottom of the 5th oil trap (8) by the 4th Link Port (13), the bottom of the 5th oil trap (8) is connected with the bottom of the 6th oil trap (9) by the 5th Link Port (14), in the 6th oil trap (9), be provided with and turn over pond (19), turn over pond (19) arranged outside and have oil separating plate (16), the bottom of turning over pond (19) is connected with the bottom of counterbalance cell (20) by the 6th Link Port (21), between counterbalance cell (20) and lead (1), be provided with interim blowdown flashboard (38), counterbalance cell (20) is connected with filter vat (22), in filter vat (22), be provided with grid type carbon block filter frame (24), filter vat (22) is connected with clean water basin (25), clean water basin (25) are connected with the external world by the water port (26) that is provided with drainage sluice, be equipped with water shoot (28) on the top of clean water basin (25), the other end of water shoot (28) is connected with the collecting well (29) that is arranged on the 3rd oil trap (6) and the 4th oil trap (7) one sides, the end of water shoot (28) is provided with the water sucking mouth (17) of upside down funnel shape in the bottom of collecting well (29), collecting well (29) is connected with oil trap (37), the top of the 4th oil trap (7) is connected with collecting well (29) by the first oil header (30), the 5th oil trap (8) is connected with collecting well (29) by the second oil header (31), the 3rd oil trap (6) is connected with oil trap (37) by the 3rd oil header (32), the second oil trap (5) is connected with oil trap (37) by the 5th oil header (34), the first oil trap (4) is connected with oil trap (37) by the 6th oil header (35), the 6th oil trap (9) is connected with oil trap (37) by the 8th oil header (18), in the 4th oil trap (7), be provided with pump well (27).
2. oil-contained waste water treatment system according to claim 1, it is characterized in that: described the first oil trap (4), the second oil trap (5), the 3rd oil trap (6), the 4th oil trap (7), the 5th oil trap (8) and the 6th oil trap (9) are two row three and are listed as shape setting arranged side by side, the first oil trap (4), the second oil trap (5) and the 3rd oil trap (6) are a line, the 4th oil trap (7), the 5th oil trap (8) and the 6th oil trap (9) are a line, water-in (3), the first Link Port (10), the second Link Port (11), the 3rd Link Port (12), the 4th Link Port (13) and the 5th Link Port (14) are distribution in a zigzag.
3. oil-contained waste water treatment system according to claim 1, it is characterized in that: be connected with collecting well (29) horizontal plane of position of described water shoot (28) is not less than be connected with clean water basin (25) horizontal plane of position of water shoot (28), described the first oil header (30) be not connected with the 4th oil trap (7) higher than the first oil header (30) horizontal plane of position of the horizontal plane of position that is connected with collecting well (29), described the second oil header (31) be not connected with the 5th oil trap (8) higher than the second oil header (31) horizontal plane of position of the horizontal plane of position that is connected with collecting well (29), the 3rd oil header (32) be not connected with the 3rd oil trap (6) higher than the 3rd oil header (32) horizontal plane of position of the horizontal plane of position that is connected with oil trap (37), the 5th oil header (34) be not connected with the second oil trap (5) higher than the 5th oil header (34) horizontal plane of position of the horizontal plane of position that is connected with oil trap (37), the 6th oil header (35) be not connected with the first oil trap (4) higher than the 6th oil header (35) horizontal plane of position of the horizontal plane of position that is connected with oil trap (37), the 8th oil header (18) be not connected with the 6th oil trap (9) higher than the 8th oil header (18) horizontal plane of position of the horizontal plane of position that is connected with oil trap (37).
4. oil-contained waste water treatment system according to claim 1, it is characterized in that: described oil separating plate (16) is arranged in the 6th oil trap (9) by oil separating plate supporter (15), the height of oil separating plate (16) is 1/2nd of the 6th oil trap (9) height, and the top of the top of oil separating plate (16) and the 6th oil trap (9) is in same level.
5. oil-contained waste water treatment system according to claim 1, is characterized in that: described oil trap (37) is arranged on a side of the first oil trap (4), the second oil trap (5) and the 3rd oil trap (6), and at right angles shape distributes.
6. oil-contained waste water treatment system according to claim 1, is characterized in that: described grid type carbon block filter frame (24) is arranged in filter vat (22) by filter frame groove (23).
7. utilize oil-contained waste water treatment system described in claim 1 to process a technique for oily(waste)water, it is characterized in that, its technique is as follows:
Oily(waste)water is introduced by lead (1), under the partition effect of lead flashboard (2), enter the first oil trap (4) by water-in (3), because oil is different with the proportion of water, waste oil is on upper strata, water is in lower floor, after the oily(waste)water that enters the pending purification in the first oil trap (4) flows slowly in the first oil trap (4), enter in the second oil trap (5) and carry out further purifying treatment by being arranged on first Link Port (10) of the first oil trap (4) and the second oil trap (5) connection portion bottom, according to above-mentioned steps, need oily(waste)water to be processed to enter successively the 3rd oil trap (6), the 4th oil trap (7), in the 5th oil trap (8) and the 6th oil trap (9), process successively, in the time that waste oil gathers certain thickness, the flashboard part of water port (26) is closed, make water level in each oil trap rise to the first oil header (30), the second oil header (31), the 3rd oil header (32), the 5th oil header (34), the mouth of pipe place of the 6th oil header (35) and the 8th oil header (18), respectively by the first oil trap (4), the second oil trap (5), the 3rd oil trap (6), the 4th oil trap (7), the waste oil collecting on the 5th oil trap (8) and the 6th oil trap (9) upper strata is in collecting well (29), the oily(waste)water after treatment entering in the 6th oil trap (9) is entered into and is turned over pond (19) by the bottom of oil separating plate (16) again, remaining waste oil is isolated in by oil separating plate (16) in the 6th oil trap (9) of turning over outside, pond (19), this part waste oil is collected in collecting well (29) through the 8th oil header (18), turn over the clear water obtaining in pond (19) and enter into counterbalance cell (20) by the 6th Link Port (21) that turns over the setting of bottom, pond (19), and then inflow filter vat (22), in filter vat (22), be provided with grid type carbon block filter frame (24), the further adsorption treatment of water after utilizing charcoal piece to treatment and purification, reach the object of further purification, obtain meeting the clean water of state sewage emission standard requirement, final clean water source flow into clean water basin (25), and discharge through water port (26), the water of final discharge reaches sewage disposal emission standard, in the 4th oil trap (7), be provided with pump well (27), while removing contamination carry out pond after oil trap operation certain hour at the bottom of, lay the suction valve of water pump, the end of water shoot (28) is provided with the water sucking mouth (17) of upside down funnel shape in the bottom of collecting well (29), when the waste water that contains of waste oil collected in collecting well (29) is more, will under the waste oil pressure on collecting well (29) top, drain from the hydraucone of water shoot (28) bottom, and enter clean water basin (25), discharge with the clear water in clean water basin (25), between counterbalance cell (20) and lead (1), be provided with interim blowdown flashboard (38), after whole system operation for some time, while carrying out removing contamination at the bottom of pond, open interim blowdown flashboard (38) and lead flashboard (2), only depend on filter vat (22) filtration, purification oily(waste)water water body.
CN201310343407.XA 2013-08-08 2013-08-08 Oily wastewater treatment system and process for treating oily wastewater by using same Expired - Fee Related CN103359846B (en)

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CN111377556A (en) * 2020-04-20 2020-07-07 中机国能电力工程有限公司 Improved oil separation tank
CN112645469B (en) * 2020-12-22 2022-06-28 中国电建集团华东勘测设计研究院有限公司 Two-stage circulating type oil stain reduction system

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