CN108439733A - A kind of petrochemical effluent comprehensive purifying equipment and its application method - Google Patents
A kind of petrochemical effluent comprehensive purifying equipment and its application method Download PDFInfo
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- CN108439733A CN108439733A CN201810596151.6A CN201810596151A CN108439733A CN 108439733 A CN108439733 A CN 108439733A CN 201810596151 A CN201810596151 A CN 201810596151A CN 108439733 A CN108439733 A CN 108439733A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention relates to petro-chemical waste water treatment technical fields, especially a kind of petrochemical effluent comprehensive purifying equipment and its application method, including coarse filter, the top of the coarse filter connects water inlet, the middle part oblique weld first level filtering device of coarse filter, it is located at the bottom of coarse filter with the sedimentation basin of coarse filter perforation, the lower right corner installation one of sedimentation basin steel plate weld made of draw water hole, draw water the built-in filter screen in hole, filter screen connects regulating reservoir by water pump, regulating reservoir passes through water pump connection neutralization pond, two-stage filter is clamped in the middle part of neutralization pond inner cavity, the top of neutralization pond connects biochemistry pool by water pump.This equipment can be applicable in a variety of different sewage treatment process, multiple functional, be used for different sewage treatment process, and treatment effeciency is high, sewage disposal it is thorough.
Description
Technical field
The present invention relates to petro-chemical waste water treatment technical fields more particularly to a kind of petrochemical effluent comprehensive purifying to set
Standby and its application method.
Background technology
Petrochemical industry is that required oil is made by a variety of different techniques using oil and natural gas as raw material
Product and daily necessities.
In manufacturing and processing work, a large amount of sewage is will produce, and along with different technique, produce different productions
Product, generated sewage species also differ, and presently, there are some sewage disposal devices, but its functional structure is more single
One, in processing procedure also not enough thoroughly to the processing of sewage.
Invention content
It has a single function the purpose of the present invention is to solve existing in the prior art and handles halfway disadvantage, and carry
A kind of petrochemical effluent comprehensive purifying equipment and its application method gone out.
To achieve the goals above, present invention employs following technical solutions：
A kind of petrochemical effluent comprehensive purifying equipment, including coarse filter are designed, the top of the coarse filter connects water inlet, into
The equipment that the one end at the mouth of a river is connected to the discharge of source of sewage water, the other end are placed in the top of coarse filter, and the middle part of coarse filter tilts weldering
First level filtering device is connect, the bottom of coarse filter, the lower right corner installation one of sedimentation basin are located at the sedimentation basin of coarse filter perforation
Steel plate weld made of draw water hole, three faces in the hole that draws water are welded by the steel plate of same thickness, wherein left side preset hole
Hole, hole is interior to be interference fitted grafting metallic conduit, and metallic conduit connection water inlet is covered, and solenoid valve, electromagnetism are equipped on metallic conduit
The external control switch of valve, the built-in filter screen in the hole that draws water, filter screen connects regulating reservoir by water pump, during regulating reservoir is connected by water pump
And pond, neutralization pond inner cavity middle part are clamped two-stage filter, the top of neutralization pond passes through water pump and connects biochemistry pool, the bottom of biochemistry pool
Portion is equipped with valvular discharge outlet.
Preferably, the first level filtering device includes the steel frame construction of a rectangular-shape, and three faces of steel frame construction are equal
The steel wire of welded wire fabric, bottom surface extends into the outside of coarse filter, and is connected by sliding block and sliding rail in the lateral surface of coarse filter
Connect baffle.
Preferably, the angle on the right side of the bottom surface and coarse filter of the first level filtering device between inner wall is 25 degree.
Preferably, the two-stage filter includes a concave character type wire netting, the inner wall weldering of concave character type strainer and neutralization pond
It connects, filter membrane is connected in the groove of concave character type screen surface, and downwards with reeded one.
Preferably, water inlet cover section is trapezoidal, and the side direction left side that opening diameter is big, the small side of opening diameter
It is threadedly coupled with metallic conduit, the big side of water inlet cover opening diameter embeds strainer.
A kind of application method of petrochemical effluent comprehensive purifying equipment, includes the following steps；
The first step introduces sewage by water inlet；
Second step, sewage is by first level filtering device, and under the steel wire effect in three faces, coarse filtration, removal are carried out to sewage
Some floating materials and larger-diameter impurity, while floating material and impurity are under the effect of gravity, along the steel wire of bottom surface
Net slide downward opens baffle, floating material and impurity is emitted into outside coarse filter, separately make manually until resting at baffle
Processing, coarse filtration obtain secondary sewage；
Third walks, and closes all solenoid valves, and secondary sewage flows into sedimentation basin, and high polymer coagulant is added in sedimentation basin,
Precipitation 12 hours simultaneously, the position height of the sediment of observation sedimentation basin bottom, determine the height of sediment；It will be above sinking simultaneously
The solenoid valve of starch is opened by controlling switch；
OettIed sewage is introduced in regulating reservoir by the 4th step by water pump, obtains three-level sewage, three-level sewage is in regulating reservoir
It is interior, it is stirred by agitating device, is then stopped 6-11 hours, observe change of water quality；
Three-level sewage in regulating reservoir is drained in neutralization pond by water pump, is tested using PH test paper, repeatedly by the 5th step
Data calculating and analysis are carried out after measurement, are judged the acid-base value of three-level sewage, are carried out corresponding acid-base neutralization processing, acid dirt
Water uses lime, caustic soda or sodium carbonate, alkaline sewage to be neutralized using spent acid, and level Four sewage is obtained after neutralization；
Level Four sewage is introduced in biochemistry pool by pump, corresponding strain input is carried out according to the main component of sewage by the 6th step,
Carry out high efficient aeration so that level Four sewage is thoroughly decomposed, and water purification is obtained, and opens the valve in discharge outlet, discharges water purification.
Preferably, under the action of two-stage filter, three-level sewage permeates three-level sewage from bottom to top, mistake in the 5th step
Filter membrane removes oil stain and some substances hard to tolerate.
A kind of petrochemical effluent comprehensive purifying equipment and its application method proposed by the present invention., advantageous effect is：
The first, the first level filtering device added in coarse filter can carry out the floating material in sewage with the impurity being relatively large in diameter
Filtering, and without machinery or the artificial removing for carrying out impurity and floating material, in floating material and the impurity itself being relatively large in diameter
It will voluntarily be slid under gravity, convenient in addition that floating material and the impurity being relatively large in diameter are handled, the addition of the present apparatus, to dirt
Water carries out pretreatment and provides good method, while can improve the speed of sewage disposal, improves efficiency；
The second, this equipment can be applicable in a variety of different sewage treatment process, multiple functional, be used for different sewage disposal works
Skill, required equipment is different, so this equipment has merged the sewage treatment process of relatively mainstream upper at present, is carried out to equipment more
The increase of kind processing pond, this equipment contains coarse filter, sedimentation basin, regulating reservoir, neutralization pond and biochemistry pool, is suitable for, at materialization
Science and engineering skill, biochemical processing process and materialization and biochemical combination processing technique.
Third, the present invention are enough to sewage disposal thorough, by multi-filtering, physical method and chemical method, to sewage into
Row multi task process, treated, and sewage reaches discharge standard.
Description of the drawings
Fig. 1 is a kind of petrochemical effluent comprehensive purifying device structure schematic diagram proposed by the present invention.
In figure：1 coarse filter, 2 sedimentation basins, 3 regulating reservoirs, 4 neutralization ponds, 5 biochemistry pools, 6 water inlets, 7 first level filtering devices, 8
Draw water hole, 9 water inlet covers, 10 two-stage filters.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment one
Referring to Fig.1, a kind of petrochemical effluent comprehensive purifying equipment, including coarse filter 1, which is characterized in that the coarse filter 1
Top connects water inlet 6, and one end of water inlet 6 is connected to the equipment that source of sewage water discharges, and the other end is placed in the top of coarse filter 1
Portion, the middle part oblique weld first level filtering device 7 of coarse filter 1, the sedimentation basin 2 penetrated through with the coarse filter 1 are located at coarse filter 1
Bottom, the lower right corner installation one of sedimentation basin 2 steel plate weld made of draw water hole 8, three faces in the hole 8 that draws water are by same thickness
Steel plate welding, wherein left side presets hole, is interference fitted grafting metallic conduit in hole, metallic conduit connection water inlet cover 9,
Solenoid valve is installed, the external control switch of solenoid valve, draw water filter screen built in hole 8, and filter screen is connected by water pump on metallic conduit
Regulating reservoir 3 is connect, regulating reservoir 3 is clamped two-stage filter 10, is neutralized by water pump connection neutralization pond 4,4 inner cavity of neutralization pond middle part
The top in pond 4 connects biochemistry pool 5 by water pump, and the bottom of biochemistry pool 5 is equipped with valvular discharge outlet；
The first level filtering device 7 includes the steel frame construction of a rectangular-shape, three equal welded wire fabrics in face of steel frame construction,
The steel wire of bottom surface extends into the outside of coarse filter 1, and connects baffle with sliding rail by sliding block in the lateral surface of coarse filter 1, and one
The setting of grade filter device 7, it is convenient that sewage is pre-processed, it is filtered to remove floating material and larger-diameter impurity；
Angle between the 1 right side inner wall of bottom surface and coarse filter of the first level filtering device 7 is 25 degree；The bottom surface being obliquely installed,
The gravity of floating material and larger-diameter impurity can be converted to the power moved down along bottom surface, drive floating material and compared with
The impurity of major diameter slides, until baffle, opens baffle, can remove floating material and larger-diameter impurity manually；
The two-stage filter 10 includes a concave character type wire netting, the inner wall welding of concave character type strainer and neutralization pond, concave character type
Filter membrane is connected in the groove of screen surface, and downwards with reeded one, in use, three-level sewage oozes from bottom to top
Thoroughly, filter membrane is filtered three-level sewage at this time, since three-level sewage have passed through neutralization reaction, so it is hard to tolerate to have some
Salt, filter membrane can also remove the sundries such as oil stain simultaneously, and filtering is more thorough, while the wire netting of filter membrane and concave character type is
Detachable structure is conveniently filtered film replacement operation, easy to use,
9 sections of the water inlet cover are trapezoidal, and the side direction left side that opening diameter is big, the small side of opening diameter and metallic conduit
It is threadedly coupled, the big side of water inlet 9 opening diameters of cover embeds strainer, and such setting can prevent larger flow from causing whirlpool
Whirlpool effect so that sediment is raised by flow, and such sediment will enter in regulating reservoir, can so that sedimentation effect is bad.
A kind of application method of petrochemical effluent comprehensive purifying equipment, includes the following steps；
The first step introduces sewage by water inlet 6；
Second step, sewage is by first level filtering device 7, and under the steel wire effect in three faces, coarse filtration, removal are carried out to sewage
Some floating materials and larger-diameter impurity, while floating material and impurity are under the effect of gravity, along the steel wire of bottom surface
Net slide downward opens baffle, floating material and impurity is emitted into outside coarse filter 1, separately made manually until resting at baffle
Processing, coarse filtration obtain secondary sewage；
Third walks, and closes all solenoid valves, and secondary sewage flows into sedimentation basin 2, and flocculating polymer is added in sedimentation basin 2
Agent, while precipitating 12 hours, the position height of the sediment of 2 bottom of observation sedimentation basin determines the height of sediment；It simultaneously will be high
It is opened in the solenoid valve of sediment by controlling switch；
OettIed sewage is introduced in regulating reservoir 3 by water pump, obtains three-level sewage by the 4th step, and three-level sewage is being adjusted
It in pond 3, is stirred by agitating device, is then stopped 6 hours, observe change of water quality；
Three-level sewage in regulating reservoir 3 is drained in neutralization pond 4 by water pump, is tested using PH test paper by the 5th step, more
Data calculating and analysis are carried out after secondary measurement, are judged the acid-base value of three-level sewage, are carried out corresponding acid-base neutralization processing, it is acid
Sewage uses lime, caustic soda or sodium carbonate, alkaline sewage to be neutralized using spent acid, and level Four sewage is obtained after neutralization；Three-level
Under the action of two-stage filter 10, three-level sewage permeates sewage from bottom to top, and filter membrane removes oil stain and some objects hard to tolerate
Matter,
Level Four sewage is introduced in biochemistry pool 5 by pump, corresponding strain throwing is carried out according to the main component of sewage by the 6th step
Enter, carry out high efficient aeration so that level Four sewage is thoroughly decomposed, and water purification is obtained, and opens the valve in discharge outlet, and discharge is net
Water.
Embodiment two
Referring to Fig.1, a kind of petrochemical effluent comprehensive purifying equipment, including coarse filter 1, which is characterized in that the coarse filter 1
Top connects water inlet 6, and one end of water inlet 6 is connected to the equipment that source of sewage water discharges, and the other end is placed in the top of coarse filter 1
Portion, the middle part oblique weld first level filtering device 7 of coarse filter 1, the sedimentation basin 2 penetrated through with the coarse filter 1 are located at coarse filter 1
Bottom, the lower right corner installation one of sedimentation basin 2 steel plate weld made of draw water hole 8, three faces in the hole 8 that draws water are by same thickness
Steel plate welding, wherein left side presets hole, is interference fitted grafting metallic conduit in hole, metallic conduit connection water inlet cover 9,
Solenoid valve is installed, the external control switch of solenoid valve, draw water filter screen built in hole 8, and filter screen is connected by water pump on metallic conduit
Regulating reservoir 3 is connect, regulating reservoir 3 is clamped two-stage filter 10, is neutralized by water pump connection neutralization pond 4,4 inner cavity of neutralization pond middle part
The top in pond 4 connects biochemistry pool 5 by water pump, and the bottom of biochemistry pool 5 is equipped with valvular discharge outlet；
The first level filtering device 7 includes the steel frame construction of a rectangular-shape, three equal welded wire fabrics in face of steel frame construction,
The steel wire of bottom surface extends into the outside of coarse filter 1, and connects baffle with sliding rail by sliding block in the lateral surface of coarse filter 1, and one
The setting of grade filter device 7, it is convenient that sewage is pre-processed, it is filtered to remove floating material and larger-diameter impurity；
Angle between the 1 right side inner wall of bottom surface and coarse filter of the first level filtering device 7 is 25 degree；The bottom surface being obliquely installed,
The gravity of floating material and larger-diameter impurity can be converted to the power moved down along bottom surface, drive floating material and compared with
The impurity of major diameter slides, until baffle, opens baffle, can remove floating material and larger-diameter impurity manually；
The two-stage filter 10 includes a concave character type wire netting, the inner wall welding of concave character type strainer and neutralization pond, concave character type
Filter membrane is connected in the groove of screen surface, and downwards with reeded one, in use, three-level sewage oozes from bottom to top
Thoroughly, filter membrane is filtered three-level sewage at this time, since three-level sewage have passed through neutralization reaction, so it is hard to tolerate to have some
Salt, filter membrane can also remove the sundries such as oil stain simultaneously, and filtering is more thorough, while the wire netting of filter membrane and concave character type is
Detachable structure is conveniently filtered film replacement operation, easy to use,
9 sections of the water inlet cover are trapezoidal, and the side direction left side that opening diameter is big, the small side of opening diameter and metallic conduit
It is threadedly coupled, the big side of water inlet 9 opening diameters of cover embeds strainer, and such setting can prevent larger flow from causing whirlpool
Whirlpool effect so that sediment is raised by flow, and such sediment will enter in regulating reservoir, can so that sedimentation effect is bad.
A kind of application method of petrochemical effluent comprehensive purifying equipment, includes the following steps；
The first step introduces sewage by water inlet 6；
Second step, sewage is by first level filtering device 7, and under the steel wire effect in three faces, coarse filtration, removal are carried out to sewage
Some floating materials and larger-diameter impurity, while floating material and impurity are under the effect of gravity, along the steel wire of bottom surface
Net slide downward opens baffle, floating material and impurity is emitted into outside coarse filter 1, separately made manually until resting at baffle
Processing, coarse filtration obtain secondary sewage；
Third walks, and closes all solenoid valves, and secondary sewage flows into sedimentation basin 2, and flocculating polymer is added in sedimentation basin 2
Agent, while precipitating 12 hours, the position height of the sediment of 2 bottom of observation sedimentation basin determines the height of sediment；It simultaneously will be high
It is opened in the solenoid valve of sediment by controlling switch；
OettIed sewage is introduced in regulating reservoir 3 by water pump, obtains three-level sewage by the 4th step, and three-level sewage is being adjusted
It in pond 3, is stirred by agitating device, is then stopped 11 hours, observe change of water quality；
Three-level sewage in regulating reservoir 3 is drained in neutralization pond 4 by water pump, is tested using PH test paper by the 5th step, more
Data calculating and analysis are carried out after secondary measurement, are judged the acid-base value of three-level sewage, are carried out corresponding acid-base neutralization processing, it is acid
Sewage uses lime, caustic soda or sodium carbonate, alkaline sewage to be neutralized using spent acid, and level Four sewage is obtained after neutralization；Three-level
Under the action of two-stage filter 10, three-level sewage permeates sewage from bottom to top, and filter membrane removes oil stain and some objects hard to tolerate
Matter,
Level Four sewage is introduced in biochemistry pool 5 by pump, corresponding strain throwing is carried out according to the main component of sewage by the 6th step
Enter, carry out high efficient aeration so that level Four sewage is thoroughly decomposed, and water purification is obtained, and opens the valve in discharge outlet, and discharge is net
Water.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of petrochemical effluent comprehensive purifying equipment, including coarse filter（1）, which is characterized in that the coarse filter（1）Top
Portion connects water inlet（6）, water inlet（6）One end equipment for being connected to the discharge of source of sewage water, the other end is placed in coarse filter（1）'s
Top, coarse filter（1）Middle part oblique weld first level filtering device（7）, with the coarse filter（1）The sedimentation basin of perforation（2）Position
In coarse filter（1）Bottom, sedimentation basin（2）Lower right corner installation one steel plate weld made of draw water hole（8）, draw water hole（8）
Three faces be to be welded by the steel plate of same thickness, wherein hole is preset in left side, and grafting metallic conduit is interference fitted in hole,
Metallic conduit connection water inlet cover（9）, solenoid valve is installed, the external control switch of solenoid valve, draw water hole on metallic conduit（8）It is built-in
Filter screen, filter screen connect regulating reservoir by water pump（3）, regulating reservoir（3）Pass through water pump connection neutralization pond（4）, neutralization pond（4）
Two-stage filter is clamped in the middle part of inner cavity（10）, neutralization pond（4）Top biochemistry pool is connected by water pump（5）, biochemistry pool（5）'s
Bottom is equipped with valvular discharge outlet.
2. a kind of petrochemical effluent comprehensive purifying equipment according to claim 1, which is characterized in that the level-one mistake
Filter device（7）Include the steel frame construction of a rectangular-shape, three equal welded wire fabrics in face of steel frame construction, the steel wire of bottom surface
Extend into coarse filter（1）Outside, and in coarse filter（1）Lateral surface baffle is connected with sliding rail by sliding block.
3. a kind of petrochemical effluent comprehensive purifying equipment according to claim 2, which is characterized in that the level-one mistake
Filter device（7）Bottom surface and coarse filter（1）Angle between the inner wall of right side is 25 degree.
4. a kind of petrochemical effluent comprehensive purifying equipment according to claim 1, which is characterized in that the two level mistake
Filter device（10）Including a concave character type wire netting, the inner wall of concave character type strainer and neutralization pond welds, concave character type screen surface it is recessed
Filter membrane is connected in slot, and downwards with reeded one.
5. a kind of petrochemical effluent comprehensive purifying equipment according to claim 1, which is characterized in that the water inlet cover
（9）Section is trapezoidal, and the side direction left side that opening diameter is big, the small side of opening diameter are threadedly coupled with metallic conduit, into
Water cover（9）The big side of opening diameter embeds strainer.
6. a kind of application method of petrochemical effluent comprehensive purifying equipment, which is characterized in that include the following steps；
The first step passes through water inlet（6）Introduce sewage；
Second step, sewage pass through first level filtering device（7）, under the steel wire effect in three faces, coarse filtration is carried out to sewage, is gone
Except some floating materials and larger-diameter impurity, while floating material and impurity are under the effect of gravity, along the steel of bottom surface
Silk screen slide downward opens baffle, floating material and impurity is emitted into coarse filter manually until resting at baffle（1）Outside,
It separately deals with, coarse filtration obtains secondary sewage；
Third walks, and closes all solenoid valves, and secondary sewage flows into sedimentation basin（2）It is interior, in sedimentation basin（2）Interior addition macromolecule wadding
Solidifying agent, while precipitating 12 hours, observe sedimentation basin（2）The position height of the sediment of bottom determines the height of sediment；Simultaneously
The solenoid valve that will be above sediment is opened by controlling switch；
OettIed sewage is introduced to regulating reservoir by the 4th step by water pump（3）It is interior, three-level sewage is obtained, three-level sewage is being adjusted
Save pond（3）It is interior, it is stirred by agitating device, is then stopped 6-11 hours, observe change of water quality；
5th step, by water pump by regulating reservoir（3）Interior three-level sewage is drained to neutralization pond（4）It is interior, it is surveyed using PH test paper
Examination carries out data calculating and analysis after repeatedly measuring, judges the acid-base value of three-level sewage, carry out corresponding acid-base neutralization processing,
Acid sewage uses lime, caustic soda or sodium carbonate, alkaline sewage to be neutralized using spent acid, and level Four dirt is obtained after neutralization
Water；
Level Four sewage is introduced biochemistry pool by the 6th step by pump（5）It is interior, corresponding strain throwing is carried out according to the main component of sewage
Enter, carry out high efficient aeration so that level Four sewage is thoroughly decomposed, and water purification is obtained, and opens the valve in discharge outlet, and discharge is net
Water.
7. to go a kind of application method of petrochemical effluent comprehensive purifying equipment described in book 6 according to right, which is characterized in that
Three-level sewage is in two-stage filter in 5th step（10）Under the action of, three-level sewage permeates from bottom to top, and filter membrane is removed and deoiled
Stain and some substances hard to tolerate.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110902881A (en) * | 2019-12-02 | 2020-03-24 | 沈阳环境科学研究院 | Efficient combined water treatment process for short-distance coagulating sedimentation and filtration |
| CN113144711A (en) * | 2021-04-21 | 2021-07-23 | 浙江升腾环境工程有限公司 | A multistage filtration equipment for sewage treatment |
| CN113620544A (en) * | 2021-09-14 | 2021-11-09 | 北京环境有限公司贵州分公司 | Method and system for precipitation and circular treatment of sewage in filter residue tank |
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