CN110272143A - For purifying the device of the sewage during shale gas exploitation - Google Patents
For purifying the device of the sewage during shale gas exploitation Download PDFInfo
- Publication number
- CN110272143A CN110272143A CN201810357765.9A CN201810357765A CN110272143A CN 110272143 A CN110272143 A CN 110272143A CN 201810357765 A CN201810357765 A CN 201810357765A CN 110272143 A CN110272143 A CN 110272143A
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- Prior art keywords
- sewage
- tank
- ozone
- shale gas
- ozone oxidation
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- 239000010865 sewage Substances 0.000 title claims abstract description 120
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 95
- 230000003647 oxidation Effects 0.000 claims abstract description 64
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 238000001556 precipitation Methods 0.000 claims abstract description 29
- 239000004519 grease Substances 0.000 claims abstract description 21
- 239000005416 organic matter Substances 0.000 claims abstract description 14
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 91
- 229960002163 hydrogen peroxide Drugs 0.000 claims description 44
- 239000007789 gas Substances 0.000 claims description 43
- 238000005188 flotation Methods 0.000 claims description 40
- 238000002347 injection Methods 0.000 claims description 28
- 239000007924 injection Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 19
- 238000002156 mixing Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000007667 floating Methods 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 238000011282 treatment Methods 0.000 abstract description 9
- 238000011084 recovery Methods 0.000 abstract description 3
- 239000008394 flocculating agent Substances 0.000 description 12
- 238000001914 filtration Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 238000005553 drilling Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 150000003254 radicals Chemical class 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000005374 membrane filtration Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- 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
-
- 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
-
- 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
-
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The present invention relates to the devices for purifying the sewage during shale gas exploitation, in more detail, it is related to a kind of following device, i.e., the device passes through grease, fine foreign matter, the organic matter etc. being effectively removed in the sewage generated in the recovery process of entire shale gas, water Jing Guo purified treatment is re-used in shale gas exploitation or is discharged into river, so as to prevent the pollution of the environment.Device for purifying the sewage during shale gas exploitation of the invention includes: stirred tank, is stirred to the sewage generated during exploiting shale gas；Precipitation tank is precipitated to from the foreign matter in the sewage that stirred tank flows into；Suspended matter removal portion is generating bubble from the sewage that precipitation tank flows into remove oil removal；Filter house is filtered the sewage flowed into from suspended matter removal portion using filter；And ozone oxidation portion, make to contact by the sewage of filter house with ozone, with decomposing organic matter.
Description
Technical field
The present invention relates to the devices for purifying the sewage during shale gas exploitation to be related to following use in more detail
The device of sewage during purifying shale gas exploitation, that is, this is used to purify the device of the sewage during shale gas exploitation
Grease, fine foreign matter, the organic matter etc. that can be effectively removed in the sewage generated during entirely exploitation shale gas, and
Water Jing Guo purified treatment is re-used for the exploitation of shale gas or is discharged into river, to prevent the pollution of the environment.
Background technique
Shale gas (shale gas), which refers to contain, is being passed through shale made of prolonged accumulation and hardening as husky and soil
(Shale) natural gas in.
Conventional natural gas can be gathered near ground surface through lithosphere, and shale gas is then blocked in small
It can not move in the rammell of granularity and be distributed in extensive region.
Due to this characteristic, although shale gas is just known in 19th century, because the limitation of technology is so that economic benefit
It is low, and then cause exploitation difficult.Into after 21 century, with the development of technology, by using horizontal drilling method and hydraulic broken
Broken method starts comprehensively to be developed.
Horizontal drilling method refers to a kind of following drilling technology, it may be assumed that after excavating lithosphere in the vertical direction, in level side
It upwards excavates to rammell, and the increase of the surface area by realizing by horizontal drilling improves exploitation production efficiency.In addition,
Hydraulic crushing rule refers to a kind of following technology, that is, will be mixed with the mixture of a large amount of water, sand and chemical addition agent with high pressure
It is injected into the rammell punched by horizontal drilling, so that rammell splitting acquires the gas being stored in rammell later
Body.
Due to will use a large amount of water during exploiting shale gas, will be generated in entire recovery process very much
Sewage.For example, there may be following several sewage: the row of returning generated when the well-drilling waste water that is generated when vertical drilling well, hydraulic crushing
Water generates generated recovered water when gas.
Due to will use a large amount of water in the recovery process of shale gas, the shortage of water resources of surrounding area may be caused
And leads to the water pollution because of caused by chemical addition agent and generate a variety of environmental problems such as waste water.
Although the sewage generated when to exploitation shale gas recycles, due to containing a large amount of oil in the sewage of recycling
Rouge (Oil&Grease), organic matter, fine foreign matter etc., if may result in environmental pollution without dealing carefully with.This
Outside, in the case where the sewage of recycling is re-used for shale gas exploitation, polluter may be accumulated and penetrate into underground water
In ground, and discharge when can cause water pollution the problem of.
In order to solve this problem, the extraction of shale gas hydraulic crushing is disclosed in Ebrean Registered Patent the 10-1817123rd
The processing module and treatment process of water.
According to the processing module and treatment process of above-mentioned shale gas hydraulic crushing recovered water, using seperation film, it is concentrated by evaporation
Device, sea-water reverse osmose apparatus and sub- sea-water reverse osmose apparatus carry out purified treatment to sewage by way of multi-filtering, however
There is limitations when only by grease, fine foreign matter, various organic matters contained in filter type removal sewage.In addition,
Due to being directly flowed into sewage in seperation film, lead to larger load because of grease, fine foreign matter in separation membrane filtration processes,
Thus there is the problem of filter efficiency significant decrease.
Existing technical literature
Patent document
Ebrean Registered Patent the 10-1817123rd: the processing module and treatment process of shale gas hydraulic crushing recovered water
Summary of the invention
The technical issues of solution
The present invention is proposed to improve above-mentioned problem, and its purpose is to provide following for purifying shale gas exploitation
The device of sewage in the process, that is, other than filter type, this is used to purify the device of the sewage during shale gas exploitation
It can also be used together the mode of precipitating, cohesion, floating, ozone oxidation, so that the filtering load in filter process is reduced, and
Fine foreign matter, grease (oil&grease) or even various organic matters can be effectively removed.
Solution
For achieving the above object, the device for purifying the sewage during shale gas exploitation of the invention include stirring
Mix slot, precipitation tank, suspended matter removal portion, filter house and ozone oxidation portion, wherein the stirred tank is to the mistake in exploitation shale gas
The sewage generated in journey is stirred, and the precipitation tank is precipitated to from the foreign matter in the sewage that the stirred tank flows into, institute
It states suspended matter removal portion and is generating bubble from the sewage that the precipitation tank flows into, to remove oil removal, the filter house is used
Filter is filtered the sewage flowed into from suspended matter removal portion, and the ozone oxidation portion makes by the filtering
The sewage in portion is contacted with ozone, with decomposing organic matter.
Suspended matter removal portion includes air flotation slot, collecting tank and suspended matter float portion, wherein the air flotation slot with it is described
Precipitation tank connection, and sewage is flowed into air flotation slot from the precipitation tank, and the one of the air flotation slot is arranged in the collecting tank
At side, and the suspended matter float portion generates first bubble at the lower layer of the air flotation slot, so that the microfine in sewage
On son and grease climb up on top of the water, and the second bubble is generated at the upper layer of the air flotation slot, by the suspended matter court on the water surface
The collecting tank direction push.
The filter house includes in the first middle tank, lautertuns, pump, the second middle tank, third connecting tube and third
Between sink, wherein first middle tank stores the sewage flowed into from suspended matter removal portion, and the lautertuns passes through the
One connecting tube connect with first middle tank and is equipped with inside it filter, and the pump setting is in first connection
At pipe and it is moved to sewage in lautertuns, second middle tank is connect by the second connecting tube with the lautertuns,
And the sewage by the primary lautertuns is stored, the third connecting tube connects second middle tank and described first
Connecting tube, and the third middle tank is connect by the 4th connecting tube with the lautertuns, and is stored by institute twice
State the sewage of lautertuns.
The ozone oxidation portion includes ozone oxidation tower, filter house delivery pipe, ozone supply portion, circulation pipe, cavitation portion, mistake
Hydrogen peroxide solution injection unit and treated water delivery pipe, wherein the filter house delivery pipe connect the ozone oxidation tower with
The filter house, and make to be flowed by the sewage of the filter house at the lower part of the ozone oxidation tower, the ozone supply
Portion is used to provide ozone at the lower part of the ozone oxidation tower, and one end of the circulation pipe is connected to the ozone oxidation tower
Top and its other end be connected to the lower part of the ozone oxidation tower so that sewage and ozone move in the circulation pipe
Dynamic, the cavitation portion is arranged at the circulation pipe and compression and swollen is repeated to the fluid moved along the circulation pipe
Swollen, the hydrogenperoxide steam generator injection unit described has been located for hydrogenperoxide steam generator to be injected into the circulation pipe
Reason water discharge spout is connected at the top of the ozone oxidation tower, and is discharged in the ozone oxidation tower by oxidation processes
Processed water.
The hydrogenperoxide steam generator injection unit includes hydrogenperoxide steam generator holding vessel, injection pipe and mixing machine, wherein institute
Hydrogenperoxide steam generator holding vessel storage hydrogenperoxide steam generator is stated, the injection pipe will be for that will be stored in the hydrogenperoxide steam generator storage
The hydrogenperoxide steam generator in tank is deposited to be injected into the circulation pipe, and the mixing machine be arranged at the circulation pipe and with
The injection pipe connection, and the mixing machine includes expansion tube department, center-pole, multiple support rods, conical concavo-convex portion, recess
Portion flows into room and multiple jet paths, wherein the expansion tube department is arranged at the circulation pipe, the center-pole and the expansion
The inner peripheral surface of pipe portion is spaced apart in the inside of the expansion tube department, and the multiple support rod consolidates the center-pole
Fixed, so that the center-pole is located at the centre of the expansion tube department, the cone concavo-convex portion is formed in the center-pole
Bump is formed at front surface and on outer peripheral surface, the recessed portion is formed as recess on the center-pole, described
It flows into room to be formed in the inside of the center-pole and connect with the injection pipe, so that hydrogenperoxide steam generator flows into, and institute
It states multiple jet paths to connect with the inflow room, the hydrogenperoxide steam generator flowed into the inflow room can be ejected into
By in the sewage around the recessed portion.
Beneficial effect
As described above, the present invention is before filtering technique by executing cohesion, precipitating, air-float technology, to remove fine
Foreign matter and grease and the filtering load in filtering technique is reduced, therefore is able to ascend filter effect.
In addition, the present invention executes the oxidation operation technique according to ozone after filtering technique, therefore can also be effective
Ground removes various organic matters.
Therefore, the present invention passes through the grease that is effectively removed in the sewage generated during entire shale gas exploitation, micro-
Water Jing Guo purified treatment can be re-used in shale gas exploitation or discharge in river by thin foreign matter, organic matter etc., from
And it prevents the pollution of the environment.
Detailed description of the invention
Fig. 1 is the device for being used to purify the sewage during shale gas exploitation shown according to an embodiment of the present invention
The block diagram of structure.
Fig. 2 is the structure chart for roughly showing the device for purifying the sewage during shale gas exploitation in Fig. 1.
Fig. 3 is the cross-sectional view for intercepting the major part of Fig. 2.
Fig. 4 is shown suitable for another embodiment according to the present invention for purifying the sewage during shale gas exploitation
Device major part cross-sectional view.
Fig. 5 is shown suitable for another embodiment according to the present invention for purifying the sewage during shale gas exploitation
Device major part cross-sectional view.
Specific embodiment
Hereinafter, by the device to the sewage according to the preferred embodiment of the present invention being used to purify during shale gas exploitation
It is described in detail.
Referring to figs. 1 to Fig. 3, the device for purifying the sewage during shale gas exploitation of the invention includes stirred tank
10, precipitation tank 15, suspended matter removal portion 20, filter house 30 and ozone oxidation portion 40, wherein stirred tank 10 is in exploitation shale gas
During the sewage that generates be stirred, precipitation tank 15 is precipitated to from the foreign matter in the sewage that stirred tank 10 flows into, and is hanged
By making a return journey oil removal generating bubble from the sewage that precipitation tank 15 flows into, filter house 30 utilizes filtering in floating object removal portion 20
Device is filtered the sewage flowed into from suspended matter removal portion 20, and ozone oxidation portion 40 passes through the dirt made by filter house 30
Water contact ozone carrys out decomposing organic matter.
The sewage generated during exploitation shale gas flows into stirred tank 10 after being stored into reserve tank 5.
The sewage being stored in reserve tank 5 can be generated when well-drilling waste water, hydraulic crushing return draining, generate gas when
Any one of recovered water of generation.It include the various pollutants matter generated during exploiting shale gas in sewage.Pollution
Substance for example can be solid-state foreign matter, grease (oil&grease), organic matter etc..
Stirred tank 10 is stirred the sewage flowed into from reserve tank 5.As needed, cohesion can be launched in stirred tank
Agent.For this purpose, may be provided with flocculating agent supply unit 50.Flocculating agent supply unit 50 includes 51 He of flocculating agent holding vessel of storage flocculating agent
Connect the flocculating agent injection pipe 53 of flocculating agent holding vessel 51 and stirred tank 10.As flocculating agent, polyaluminium chloride (poly can be used
Aluminium chloride, PAC).
Can to be flowed into the turbidity to the sewage in aftermentioned third middle tank 39, COD value carry out real-time monitoring, and
And when being more than a reference value, flocculating agent can be launched into stirred tank 10.
Agitating screw and the motor for rotating agitating screw are provided in stirred tank 10.Agitating screw carries out sewage
It stirs so that internal polluter is uniformly dispersed.In addition, agitating screw rises when launching flocculating agent into stirred tank 10
To the effect for mixing flocculating agent equably with sewage.
The lower part of stirred tank 10 may be provided with drainpipe, sediment caused by 10 inside of stirred tank is discharged to outer
Portion.
Precipitation tank 15 is arranged at the rear end of stirred tank 10.The sewage being trapped in stirred tank 10 is flowed into precipitation tank 15
In.Sewage can be flowed into precipitation tank 15 in a manner of flowing down naturally, or can be flowed into precipitation tank 15 by pump.
Precipitation tank 15 removes the relatively large solid-state foreign matter etc. of specific gravity using difference of specific gravity.If precipitation tank 15 will be flowed into
In sewage stand the predetermined time, then heavy solid-state foreign matter is deposited and is deposited in the lower part of precipitation tank 15.It is heavy to be deposited in
Sediment at the lower part of shallow lake slot 15 can the drainpipe at the lower part by the way that precipitation tank 15 is arranged in be discharged to the outside.
Suspended matter removal portion 20 is by making a return journey oil removal generating bubble from the sewage that precipitation tank 15 flows into.
As an example, suspended matter removal portion 20 includes air flotation slot 21 and micro air bubble generating unit (not shown), wherein fine
Bubble generating unit is made on minuteness particle and grease in sewage climb up on top of the water by generating micro air bubble in air flotation slot 21.
Air flotation slot 21 is arranged at the rear end of precipitation tank 15.Sewage can be flowed into a manner of flowing down naturally from precipitation tank 15
In air flotation slot 21, or it is flowed into air flotation slot 21 using pump.Although it is not shown, micro air bubble generating unit plays and passes through
Micro air bubble is generated at the lower layer of air flotation slot come make fine foreign matter in sewage and grease climb up on top of the water on effect.
By fine foreign matter and grease etc. climb up on top of the water on be formed by suspended matter can be by conventional demister (scum
Skimmer it) removes.In addition, the sediment being deposited at the lower part of air flotation slot 21 can be by being arranged at the lower part of air flotation slot 21
Drainpipe be discharged to the outside.
Sewage by removing oil removal in air flotation slot 21 is flowed into the first middle tank 31.It can be to from air flotation slot stream
Enter the turbidity to the sewage in the first middle tank, COD value etc. and carry out real-time monitoring, and when being more than a reference value, can incite somebody to action
Flocculating agent is launched into stirred tank 10.
In addition, another example in suspended matter removal portion is shown in FIG. 4 in the present invention.
Referring to Fig. 4, suspended matter removal portion 60 includes air flotation slot 61, collecting tank 63 and suspended matter float portion, wherein collecting tank
63 are arranged at the side of air flotation slot 61, and suspended matter float portion generates first bubble at the lower layer of air flotation slot 61, so that
On minuteness particle and grease in sewage climb up on top of the water, and the second bubble is generated at the upper layer of air flotation slot 61, by the water surface
On suspended matter towards collecting tank 63 direction push.
Air flotation slot 61 is arranged at the rear end of precipitation tank flow into sewage from precipitation tank.
Collecting tank 63 is arranged at the side of air flotation slot 61.The spaced walls 62 for dividing collecting tank 63 and air flotation slot 61 are formed as
Lower than air flotation slot 61.
Suspended matter float portion generates first bubble at the lower layer of air flotation slot 61, so that minuteness particle and grease in sewage
On climbing up on top of the water.At the same time, suspended matter float portion generates the second bubble at the upper layer of air flotation slot 61, will be outstanding on the water surface
Floating object is pushed towards the direction of collecting tank 63.
It is with micron or nano-scale by the first bubble that suspended matter float portion generates at the lower layer of air flotation slot
Micro air bubble.In addition, the second bubble generated at the upper layer of air flotation slot can be the huge bubble of 10mm to 100mm.
Suspended matter float portion includes pressurized canister 67, air compressor 69, pump 65, first bubble generation pipe 66 and the second bubble
Generate pipe 68, wherein air compressor 69 provides compressed air to pressurized canister 67, and pump 65 will be stored in the first middle tank 31
Sewage transport into pressurized canister 67, first bubble generate pipe 66 connect with pressurized canister 67 and prolong towards the lower layer of air flotation slot 61
It stretches, and the second bubble generates pipe 68 and connect with pressurized canister 67 and extend towards the upper layer of air flotation slot 61.
In the pressurized canister 67 for keeping high pressure due to the inflow because of compressed air, air is dissolved in be mentioned by the first middle tank 31
In the sewage of confession.The water dissolved with air generated by mode as described above generates pipe 66 via first bubble and is flowed into gas
At the lower layer of floating trough 61.First bubble generates in pipe 66 and is formed with multiple fine squit holes at a predetermined interval.Therefore, pass through spray
The water dissolved with air at the lower layer for being ejected into air flotation slot 61 that portals forms the first bubble of myriad of micro-fine.Produced by this time
First bubble make on fine foreign matter and grease in sewage climb up on top of the water.
In addition, a part in the water dissolved with air in pressurized canister 67 generates pipe 68 via the second bubble and is flowed into gas
At the upper layer of floating trough 61.Second bubble generates the end positioning of pipe 68 under the water surface.Second bubble generates pipe 68 and is positioned to lean on
The side wall at the opposite side direction of collecting tank 63 of nearly air flotation slot 61.
When the water dissolved with air generates at the upper layer that pipe 68 is flowed into air flotation slot 61 via the second bubble, second is formed
Bubble, and the second bubble plays and pushes the suspended matter 64 on the water surface towards the direction of collecting tank 63 while emerging
Effect.Suspended matter 64 is crossed spaced walls 62 and is flowed into collecting tank 63 as a result,.
As described above, by using in such a way that the bubble that compressed air generates keeps suspended matter mobile, the present invention compared to
Previous demister can simplify structure and have the advantages that more easily maintenance management.
Referring again to Fig. 1 to Fig. 3, filter house 30 carried out the sewage flowed into from suspended matter removal portion 20 using filter
Filter.
Due to the present invention using filter house 30 is set front end at suspended matter removal portion 20 remove fine foreign matter and
Sewage is filtered in the case where grease (oil&grease), therefore filtering load can be greatly reduced.
Filter house 30 shown in figure includes the first middle tank 31, lautertuns 34, pump the 1, second middle tank 36, third
Connecting tube 37 and third middle tank 39, wherein the first middle tank 31 stores the sewage flowed into from suspended matter removal portion 20, mistake
Filter pocket 34 connect with the first middle tank 31 and is equipped with inside it filter 3 by the first connecting tube 32, pumps 1 and is arranged the
At one connecting tube 32 and it is moved to sewage in lautertuns, the second middle tank 36 is connected by the second connecting tube 35 with lautertuns 34
The sewage by a lautertuns 34 is connect and stores, third connecting tube 37 connects the second middle tank 36 and the first connecting tube
32, and third middle tank 39 is connect with lautertuns 34 and is stored by lautertuns 34 twice by the 4th connecting tube 38
Sewage.
The sewage being stored in the first middle tank 31 is flowed into lautertuns 34 via the first connecting tube 32.First connection
The pump 1 for being pumped into sewage in lautertuns 34 is provided on pipe 32.
Lautertuns 34 may be configured as one or more.In the case where lautertuns 34 is set as two or more, filtering
Slot 34 can be connected in series.Example shown in figure shows the form of the series connection of lautertuns 34.
Lautertuns 34 is internally provided with filter 3.As filter 3, the hole with micron order size can be used
Film, or the film of the hole with nano-grade size can be used.This membrane filtration pattern can be effectively removed microfine
Son and remaining levitation substance etc., and have the advantages that after mounting without operating and maintenance management expense is relatively low.
It is flowed into the second middle tank 36 by the sewage of a lautertuns 34 via the second connecting tube 35.It is stored in
Sewage in two middle tanks 36 again flows into lautertuns 34 via third connecting tube 37, to be filtered again.By
The sewage of lautertuns 34 is flowed into via the 4th connecting tube 38 and is stored into third middle tank 39 twice.
Total suspended substance (Total Suspended Solids, TSS) in sewage can be greatly reduced and filtering twice.
Can be arranged in the 4th connecting tube 38 or third middle tank 39 sensor come it is real to progress such as turbidity, COD values in sewage
When monitor, and be more than a reference value when, can by flocculating agent launch into stirred tank 10.
Play the role of making to contact by the sewage of filter house 30 with ozone carrying out decomposing organic matter in ozone oxidation portion 40.
Ozone application is in multiple water treatments such as sterilization, deodorization, removal COD.Ozone has high oxidative capacity, and is divided into
The indirect oxidation of OH free radical is generated when ozone direct oxidation in aqueous solution and ozone decompose in aqueous solution.
Ozone oxidation portion 40 includes ozone oxidation tower 41, filter house delivery pipe 42, ozone supply portion, circulation pipe 43, cavitation
Portion 70, hydrogenperoxide steam generator injection unit 80 and treated water delivery pipe 46, wherein filter house delivery pipe 42 connects ozone oxidation
Tower 41 and filter house 30 simultaneously make to be flowed by the sewage of filter house 30 at the lower part of ozone oxidation tower 41, and ozone supply portion is used for
By ozone supply at the lower part of ozone oxidation tower 41, one end of circulation pipe 43 be connected to the top of ozone oxidation tower 41 and its
The other end is connected to the lower part of ozone oxidation tower 41, so that sewage and ozone move in circulation pipe 43, the setting of cavitation portion 70 exists
Compression and expansion repeatedly are carried out at circulation pipe 43 and to the fluid moved along circulation pipe 43, hydrogenperoxide steam generator injection is single
Member 80 is for hydrogenperoxide steam generator to be injected into circulation pipe 43, and treated water delivery pipe 46 is connected to ozone oxidation tower 41
Top and for being emitted on treated water in ozone oxidation tower 41 Jing Guo oxidation processes.
The inside of ozone oxidation tower 41 may be provided with more than one filled layer 47.Filled layer 47 has by porosity and ratio
The structure of the big filler filling of surface area, and the example as filler, can be used Pall ring (pall ring), draw west
Ring (rashing ring) etc..In addition, the example as filler, can be used active carbon.This filled layer 47 plays increasing
The effect of contact into sewage with ozone.
Filter house delivery pipe 42 is connected at the lower part of ozone oxidation tower 41.Pump 45 is provided on filter house delivery pipe 42.
The sewage being stored in third middle tank 39 is flowed at the lower part of ozone oxidation tower 41 via filter house delivery pipe 42.
Lower part ozone supply of the ozone supply portion to ozone oxidation tower 41.Ozone supply portion is by ozone generator 48 and ozone
Supply pipe 49 is constituted, wherein the lower part of ozone supply pipe 49 connection ozone generator 48 and ozone oxidation tower 41.
Ozone is flowed into the lower part of ozone oxidation tower 41 together with sewage.As a result, as sewage and ozone are in ozone oxidation
The inside of tower 41 carries out first set reaction, and organic matter is decomposed.In addition, rising to the sewage on the top of ozone oxidation tower 41 and smelly
A part in oxygen is circulated again into the lower part of ozone oxidation tower 41 via circulation pipe 43.
One end of circulation pipe 43 is connected to the top of ozone oxidation tower 41, and its other end is connected to ozone oxidation tower 41
At lower part.Circulating pump 44 is provided on circulation pipe 43.
Cavitation portion 70 is provided on circulation pipe 43.Compression is repeated to the fluid moved along circulation pipe 43 in cavitation portion 70
And expansion, so that sewage and ozone be made to carry out the second secondary response, and then promote the removal efficiency of organic matter.It makes use of waterpower skies
Change the principle of (Hydrodynamic Cavitation).This cavitation portion 70 passes through pressure caused by the velocity variations because of fluid
Power, which changes, carrys out moment generation bubble, and generates free radical in generated bubble to improve the efficiency of ozone.In addition, passing through
The effect of generated high pressure and high temperature when bubbles burst makes the substance of surrounding aoxidize, decompose.
As an example, cavitation portion 70 utilizes Venturi effect (Venturi effect).Cavitation portion 70 shown in figure by
Shell 71 reduces neck 73 and the expansion composition of neck 75, wherein shell 71 is connect with circulation pipe 43, and reduces 73 He of neck
Expansion neck 75 is formed in the inside of shell 71.It reduces neck 73 and expansion neck 75 alternately forms.Therefore, by shell 71
Fluid repeatedly through overcompression and expansion.It generates ozone bubbles as a result, and the ozone bubbles ruptures, and by being produced at this time
The strength oxidation of raw OH free radical, so that the organic matter in sewage is decomposed.
Hydrogenperoxide steam generator injection unit 80 carries out implementation prison to the processed water being discharged via treated water delivery pipe
It surveys, and when being more than a reference value, hydrogenperoxide steam generator is launched to the inside of ozone oxidation tower 41.
Hydrogenperoxide steam generator injection unit 80 includes hydrogenperoxide steam generator holding vessel 81 and injection pipe 83, wherein peroxidating
Hydrogen solution holding vessel 81 stores hydrogenperoxide steam generator, and injection pipe 83 will be for that will be stored in hydrogenperoxide steam generator holding vessel 81
Hydrogenperoxide steam generator be injected into circulation pipe 43.
Hydrogen peroxide is flowed into the inside of ozone oxidation tower 41 via circulation pipe 43, and hydrogen peroxide passes through stronger oxygen
Change effect removes the organic matter in sewage together with ozone.
By ozone oxidation portion 40 as described above, sewage in ozone oxidation tower 41 with ozone carry out first set reaction it
Afterwards, lower part is circulated again into from the top of ozone oxidation tower 41 via circulation pipe 43.Sewage is moved along circulation pipe 43, and again
It is secondary to be flowed into ozone oxidation tower and carry out the second secondary response with ozone.
The processed water at the topmost of ozone oxidation tower 41 Jing Guo purified treatment is finally given off as a result,.According to
To the monitoring result of processed water, hydrogen peroxide can be launched to carry out additional oxygenolysis.
In addition, in order to improve the contacting efficiency of hydrogen peroxide and sewage, hydrogenperoxide steam generator injection unit may include peroxide
Change hydrogen solution holding vessel, injection pipe and mixing machine, wherein hydrogenperoxide steam generator holding vessel stores hydrogenperoxide steam generator, injection pipe
For the hydrogenperoxide steam generator being stored in hydrogenperoxide steam generator holding vessel to be injected into circulation pipe, and mixing machine setting exists
It is connect at circulation pipe and with injection pipe.
Hydrogenperoxide steam generator holding vessel and injection pipe are identical as above-mentioned example.
Mixing machine 90 is illustrated referring to Fig. 5.
Mixing machine 90 include expansion tube department 91, center-pole 92, multiple support rods 93, conical concavo-convex portion 94, recessed portion 95,
Flow into room 96 and multiple jet paths 97, wherein expansion tube department 91 is arranged at circulation pipe 43, and center-pole 92 is interior with expansion tube department 91
Circumferential surface is spaced apart in the inside of expansion tube department 91, and multiple support rods 93 are fixed center-pole 92 so that center-pole 92
In the center of expansion tube department 91, conical concavo-convex portion 94 is formed at the front surface of center-pole 92 and is formed on its outer peripheral surface
Bump, recessed portion 95 are formed as recess on center-pole 92, flow into room 96 be formed in center-pole 92 inside and with note
Enter the connection of pipe 83, so that hydrogenperoxide steam generator flows into, and multiple jet paths 97 are connect with room 96 is flowed into, and flow into stream
The hydrogenperoxide steam generator entered the room in 96 can be injected by the sewage around recessed portion 95.
The inside of expansion tube department 91 is formed with flow path.Expansion tube department 91 is formed as having a diameter larger than the diameter of circulation pipe 43.
Center-pole 92 makes the sectional area of the flow path of expansion tube department 91 become smaller, so that by the speed and pressure of the fluid of expansion tube department 91
Apparent change occurs for power.Especially, by forming the concavo-convex portion 94 of cone at the front surface of center-pole 92, can make
Bigger variation occurs for the flowing of fluid.Jagged bump is formed on the outer peripheral surface of concavo-convex portion 94.Pass through bump
Countless vortex is formed, and thus, it is possible to greatly improve the contacting efficiency between gas-liquid.
Recessed portion 95 is formed on center-pole 92 in the form of the concavity of recess.This recessed portion 95 is formed as its edge
It is relatively large in diameter and the lesser long drum form of the diameter of centre.
The inside of center-pole 92 is formed with the inflow room 96 flowed into for hydrogenperoxide steam generator.Injection pipe 83 runs through expansion tube department 91
And it is connected to the rear surface of center-pole 92.The end of injection pipe 83 is inserted into the inside of center-pole 92 and connect with room 96 is flowed into.
Jet path 97 is formed as multiple at recessed portion 95.The diameter that jet path 97 is formed in recessed portion 95 is lesser
At center portion.Jet path 97 is formed at a predetermined interval to be flowed into around room 96.Jet path 97 is connect with room 96 is flowed into,
And it is formed extend to the outer peripheral surface of recessed portion 95.This jet path 97 forms from inflow room 96 and is connected to recessed portion 95
External flow path.The hydrogenperoxide steam generator flowed into room 96, which is flowed into, via jet path 97 is injected into the outer of recessed portion 95
Portion.The hydrogenperoxide steam generator for being injected into the outside of recessed portion 95 is effectively mixed with the sewage of flowing thereabout.Thereby, it is possible to mention
The oxidation effectiveness of high hydrogen peroxide.
Although above with reference to an embodiment, the present invention is described, this is only exemplary, and
And it should be understood that thus those of ordinary skill in the art can implement a variety of modifications and equivalent embodiment.Therefore, of the invention
Real protection scope should be limited only by appended claims.
Description of symbols
10: stirred tank 15: precipitation tank
21: 31: the first middle tank of air flotation slot
34: 36: the second middle tank of lautertuns
39: third middle tank 40: ozone oxidation portion
41: ozone oxidation tower
Claims (5)
1. the device for purifying the sewage during shale gas exploitation, comprising:
Stirred tank, the stirred tank are stirred the sewage generated during exploiting shale gas；
Precipitation tank, the precipitation tank are precipitated to from the foreign matter in the sewage that the stirred tank flows into；
Suspended matter removal portion, suspended matter removal portion are generating bubble from the sewage that the precipitation tank flows into, outstanding to remove
Floating object；
Filter house, the filter house are filtered the sewage flowed into from suspended matter removal portion using filter；And
Ozone oxidation portion, the ozone oxidation portion makes to contact by the sewage of the filter house with ozone, with decomposing organic matter.
2. as described in claim 1 for purifying the device of the sewage during shale gas exploitation, wherein the suspended matter is gone
Except portion includes:
Air flotation slot, the air flotation slot are connect with the precipitation tank, and sewage flows into the air flotation slot from the precipitation tank；
Collecting tank, the collecting tank are arranged at the side of the air flotation slot；And
Suspended matter float portion, the suspended matter float portion generates first bubble at the lower layer of the air flotation slot, so that in sewage
Minuteness particle and on grease climbs up on top of the water, and the second bubble is generated at the upper layer of the air flotation slot, will be on the water surface
Suspended matter is pushed towards the direction of the collecting tank.
3. as described in claim 1 for purifying the device of the sewage during shale gas exploitation, wherein the filter house packet
It includes:
First middle tank, first middle tank store the sewage flowed into from suspended matter removal portion；
Lautertuns, the lautertuns is connect by the first connecting tube with first middle tank, and the lautertuns is interior
Portion is equipped with filter；
Pump is arranged at first connecting tube and is moved to sewage in lautertuns；
Second middle tank, second middle tank is connect by the second connecting tube with the lautertuns, and stores process
The sewage of the primary lautertuns；
Third connecting tube, the third connecting tube connect second middle tank and first connecting tube；And
Third middle tank, the third middle tank is connect by the 4th connecting tube with the lautertuns, and stores process
The sewage of the lautertuns twice.
4. as described in claim 1 for purifying the device of the sewage during shale gas exploitation, wherein the ozone oxidation
Portion includes:
Ozone oxidation tower；
Filter house delivery pipe, the filter house delivery pipe connects the ozone oxidation tower and the filter house, and makes by institute
The sewage for stating filter house is flowed at the lower part of the ozone oxidation tower；
Ozone supply portion, the ozone supply portion are used to provide ozone to the lower part of the ozone oxidation tower；
Circulation pipe, one end of the circulation pipe are connected to the top of the ozone oxidation tower, and the other end of the circulation pipe
It is connected to the lower part of the ozone oxidation tower, so that sewage and ozone move in the circulation pipe；
Cavitation portion, the cavitation portion are arranged at the circulation pipe, and to the fluid moved along the circulation pipe repeatedly into
Row compression and expansion；
Hydrogenperoxide steam generator injection unit, the hydrogenperoxide steam generator injection unit are used to for hydrogenperoxide steam generator being injected into described
In circulation pipe；And
Treated water delivery pipe, the treated water delivery pipe is connected to the top of the ozone oxidation tower, and is emitted on institute
State the treated water in ozone oxidation tower Jing Guo oxidation processes.
5. as claimed in claim 4 for purifying the device of the sewage during shale gas exploitation, wherein the hydrogen peroxide
Solution injection unit includes:
Hydrogenperoxide steam generator holding vessel, the hydrogenperoxide steam generator holding vessel store hydrogenperoxide steam generator；
Injection pipe, the injection pipe is for the hydrogenperoxide steam generator being stored in the hydrogenperoxide steam generator holding vessel to be injected into
In the circulation pipe；And
Mixing machine, the mixing machine are arranged at the circulation pipe and connect with the injection pipe, and
Wherein, the mixing machine includes:
Expansion tube department, the expansion tube department are arranged at the circulation pipe；
The inner peripheral surface of center-pole, the center-pole and the expansion tube department is spaced apart in the inside of the expansion tube department；
The center-pole is fixed in multiple support rods, the multiple support rod, so that the center-pole is located at the expander
The centre in portion；
Conical concavo-convex portion, the cone concavo-convex portion is formed at the front surface of the center-pole and the cone
Bump is formed on the outer peripheral surface of concavo-convex portion；
Recessed portion, the recessed portion are formed as recess on the center-pole；
Room is flowed into, the inflow room is formed in the inside of the center-pole, and connect with the injection pipe so that peroxidating
Hydrogen solution flows into；And
Multiple jet paths, the multiple jet path are connect with the inflow room, flow into the mistake in the inflow room
Hydrogen peroxide solution can be ejected by the sewage around the recessed portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180029740A KR101961256B1 (en) | 2018-03-14 | 2018-03-14 | purification apparatus for contaminated water of shale gas |
| KR10-2018-0029740 | 2018-03-14 |
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| Publication Number | Publication Date |
|---|---|
| CN110272143A true CN110272143A (en) | 2019-09-24 |
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| CN201810357765.9A Pending CN110272143A (en) | 2018-03-14 | 2018-04-20 | For purifying the device of the sewage during shale gas exploitation |
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| KR (1) | KR101961256B1 (en) |
| CN (1) | CN110272143A (en) |
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| CN111892188A (en) * | 2020-08-26 | 2020-11-06 | 孟思毅 | Multistage filtration sewage treatment device |
| CN112279411A (en) * | 2020-11-02 | 2021-01-29 | 泸州山水秀美环保科技有限公司 | Shale gas recovery returns flowing back processing system |
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| KR101961256B1 (en) | 2019-03-22 |
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Application publication date: 20190924 |