CN201729725U - Oilfield-produced sewage aggregation and floating-sinking processing device - Google Patents
Oilfield-produced sewage aggregation and floating-sinking processing device Download PDFInfo
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- CN201729725U CN201729725U CN2010202339012U CN201020233901U CN201729725U CN 201729725 U CN201729725 U CN 201729725U CN 2010202339012 U CN2010202339012 U CN 2010202339012U CN 201020233901 U CN201020233901 U CN 201020233901U CN 201729725 U CN201729725 U CN 201729725U
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Abstract
The utility model relates to an oilfield-produced sewage aggregation and floating-sinking processing device, which comprises a tank body, a water inlet segment A, an aggregation air-floating segment B, a dosing and mixing reaction segment C and an air-floating settling and deslagging segment D, wherein the tank body is set into a rectangular body, the tank top is closed, and the water inlet segment, the aggregation air-floating segment, the dosing and mixing reaction segment and the air-floating settling and deslagging segment are sequentially arranged from the left side to the right side of the tank body; the water inlet segment is communicated with the aggregation air-floating segment through a left liquid-distributing wall of the water inlet segment; and the sewage processed by the aggregation air-floating segment is communicated with a pipeline mixer of a dosing and mixing segment through a water pump and then enters a baffle plate reactor, the processed sewage is communicated with an air-floating settling segment through a water inlet pipe of the air-floating settling and deslagging segment, and the processed sewage enters a sewage storage cavity through an overflow weir of the air-floating settling and deslagging segment and then enters a sewage reinjection system through a water outlet valve. The utility model has simple structure, is convenient to operate, and the processing efficiency is high.
Description
One technical field
The utility model relates to the oilfield produced waste water refining plant that coalescent, air supporting, coagulation, inclined tube sedimentation process are integrated in one, specifically be exactly agglomerated air floatation oil removing and the integrated aggregation sinking and emerging treatment device for oilfield produced waste water of air supporting sedimentation slagging-off technology, be applicable to the purifying treatment of extraction sewage in the field produces performance history.
Two background technologies
The processing of oil field extracted water is the key of waterflooding, and the produced water disposal technology in present domestic oil field mainly contains produced-water reinjection treatment technologies such as gravity settling, pressure sedimentation, flotation, eddy flow and water quality modification.Substantially the needs of the saturating water flooding of middle and high infiltration have been satisfied.In recent years, along with going deep into of tertiary oil recovery, chemical agent content such as tensio-active agent increased in the recovered water, and the more conventional water drive recovered water of character that causes containing the oil-displacing agent recovered water is complicated more; It is generally higher to sneak into bituminous matter, colloid and petroleum naphthenic acid content in the viscous oil recovery recovered water, has increased the water-oil interface film viscosity, forms stable o/w milk sap, common process device processes weak effect; And the tank body of common process flow process is bulky, and floor space is big, and device separates efficient is low, and hydraulic detention time is longer.Therefore conventional produced water disposal technology can not satisfy complicated day by day sewage quality, causes the produced-water reinjection processing cost to increase, and the injection water quality compliance rate is lower.
Three summary of the invention
The purpose of this utility model provides a kind of aggregation sinking and emerging treatment device for oilfield produced waste water, solve the problem that oilfield produced waste water re-injection treatment and purification technology exists, provide a kind of " agglomerated air floatation oil removing+air supporting sedimentation slagging-off " two-part treatment process in conjunction with the device of handling extraction sewage.The crude oil in the extraction sewage can effectively be removed and reclaim to this device, to the machine in the extraction sewage is assorted good removal effect arranged simultaneously, and it is short to possess hydraulic detention time when reaching decontamination effect improving, the efficient height, take up an area of for a short time, processing cost is low, the former wet goods advantage of efficient recovery.
The technical solution of the utility model realizes in the following manner: the utility model comprises that gentle the drifting along of tank body, inlet segment A, agglomerated air floatation section B, dosing hybrid reaction section C fall slagging-off section D and form, it is characterized in that tank body is made as cuboid, tank deck is airtight, is made as inlet segment, agglomerated air floatation section, gentle the drifting along of dosing hybrid reaction section from the left-to-right limit of tank body by preface and falls the slagging-off section; Inlet segment is connected with the agglomerated air floatation section by the left cloth liquid wall of inlet segment; Sewage after the agglomerated air floatation section is handled is communicated with by the line mixer of water pump with the dosing mixing section, enter the dividing plate reactor again, sewage after the processing is connected with air supporting sedimentation slagging-off section by the water inlet pipe of air supporting sedimentation slagging-off section, sewage after the processing enters the sewage storage chamber through the overflow plate of air supporting sedimentation slagging-off section, enters sewage storage tank through outlet valve again.
Inlet segment is made up of the water inlet pipe, water intaking valve, lift pump, electronic grout flow meter, taper buffering bucket and the left cloth liquid wall that link to each other by preface, big mouthful of opening part edge with tank body left end bottom of taper buffering bucket welds one, and Da Kouchu is provided with the left cloth liquid wall that evenly is covered with aperture.
The agglomerated air floatation section is by the coalescent pack that is located at the bottom, the perforation gas distribution pipe at middle part, the slag scraper on top, the collection tank on right cloth liquid wall and top, the overflow plate on right cloth liquid wall the right, the liquid level display of overflow plate the right tank surface, mud valve on the coalescent pack district tank body lower side and the lift pump that is communicated with agglomerated air floatation conversion zone rising pipe are formed.
90 ° and right clapboard welding one are turned in top at the bottom of tank body, lower end of the left clapboard of dosing hybrid reaction section, be provided with the dividing plate reactor in the left clapboard inboard, being provided with two line mixers in the middle part of at the bottom of the cavity between dividing plate reactor and the right clapboard is in series, first section of line mixer is communicated with the agglomerated air floatation section by lift pump, end is communicated with the dividing plate reactor, the dividing plate reactor section is communicated with by air supporting sedimentation slagging-off section water inlet pipe and air supporting sedimentation slagging-off, is equipped with chemical feed pipe on the communicating pipe between communicating pipe of lift pump and line mixer and two line mixers.
It is 60 ° inclined tube group from upper right oblique angle to left down that air supporting sedimentation slagging-off section middle part is provided with a row, the both sides, front and back of inclined tube group and the airtight one of tank body, inside upper part is provided with a slag receiving trough in inclined tube group upper end, be provided with an overflow weir on the slag receiving trough right side, integrally formed air supporting sedimentation chamber and sewage storage chamber are welded in overflow weir lower end and outer, inclined tube group upper end; Be provided with slag scraper on air supporting sedimentation chamber top, the bottom is provided with mud valve, is provided with outlet valve in sewage storage chamber right flank middle and lower part; Be provided with the dissolved air water return line at lower bottom part, on the dissolved air water return line, be provided with reverse flow valve, gas liquid mixer, electronic grout flow meter and dissolved air water reliever by preface; The dissolved air water reliever is located at the following middle part of air supporting sedimentation slagging-off section left clapboard.
Compared with prior art the utility model has the advantages that:
1, removal effect is good, the efficient height: the utility model adopts the efficient coalescent pack of composition optimizes and the crude oil in the integrated removal extraction of the dissolved air flotation process sewage; Adopt the machine in air-dissolving air-float and the integrated removal extraction of the inclined tube sedimentation process sewage assorted.Effects of purification quality is good, the efficient height.
2, crude oil recovery utility value height: the utility model agglomerated air floatation oil removing section adopts the efficient coalescent pack and the dissolved air flotation process of composition optimizes integrated, by the crude oil in pure physical technique removal and the recovery extraction sewage, the crude oil that reclaims has higher recycling and is worth because its proterties end of chemical assistant of not mixing changes.
3, added amount of chemical is little, and processing cost is low: the utility model agglomerated air floatation oil removing section adopts the efficient crude oil of removing and reclaiming in the extraction sewage of pure physical technique, has saved water treatment agents such as degreaser, and processing cost reduces greatly.
4, hydraulic detention time is short: the utility model falls the slagging-off section and all adopts the integrated processing extraction of kinds of processes sewage gentle the drifting along of agglomerated air floatation oil removing section, the performance of the enhancement process that complements each other between each technology effect has realized the effective processing than short residence time(SRT) extraction sewage.
5, floor space is little: the utility model compact construction, and volume is little, and floor space is little.
6, simple in structure, easy to operate: the utility model is simple in structure, processes easy for installationly, and operation can realize automatization.
Four description of drawings
Fig. 1 is an aggregation sinking and emerging treatment device two dimensional structure synoptic diagram.
Fig. 2 is an aggregation sinking and emerging treatment device structure frontview.
Fig. 3 is an A A view among Fig. 1.
A is an inlet segment among the figure, and B is the agglomerated air floatation section, and C is a dosing hybrid reaction section, and D is air supporting sedimentation slagging-off section.1-water inlet pipe 2-water intaking valve 3-intake pump 4-electronic grout flow meter 5-taper buffering bucket 6-cloth liquid wall 7-coalescent pack 8-perforation gas distribution pipe 9-collection tank 10-slag scraper 11-overflow plate 12-liquid level display 13-dissolved air water return line 14-agglomerated air floatation section rising pipe 15-line mixer 16-dividing plate reactor 17-air supporting sedimentation slagging-off section water inlet pipe 18-dissolved air water reliever 19-inclined tube group 20-mud valve 21-slag receiving trough 22-overflow weir 23-rising pipe 24-outlet valve 25-reverse flow valve 26-chemical feed pipe 27-air dissolved pump
Five, embodiment
As shown in Figure 1, this practicality 0 novel tank body that comprises, inlet segment A, agglomerated air floatation section B, slagging-off section D composition falls in gentle the drifting along of dosing hybrid reaction section C, sewage is by the water inlet pipe 1 of inlet segment, water intaking valve 2, intake pump 3, electronic grout flow meter 4, pump into taper buffering bucket 5 through intake pump, sewage is evenly entered the coalescent pack layer 7 of agglomerated air floatation section B by left cloth liquid wall 6, crude oil in the sewage is through the coalescence effect of filler, formation oil droplet come-up, pass through the bubble incorporation that discharges with perforation gas distribution pipe 8 behind the packing layer, under the rolling action of bubble, rise to the water surface rapidly, scrape to collection tank 9 by slag scraper 10 and to be recovered to other slop oil tank, sewage after the oil removing enters water storage cavity by overflow plate 11 overflows of flowing through of right cloth liquid wall, the back is pumped into the line mixer 15 of dosing hybrid reaction section C from agglomerated air floatation section rising pipe 14 by another intake pump 3, water purification agent is added by chemical feed pipe 26 simultaneously, both thorough mixing in line mixer, dividing plate reactor 16 reactions of flowing through form floc sedimentation, enter air supporting sedimentation slagging-off section D through air supporting sedimentation slagging-off section water inlet pipe 17, microbubble is discharged by dissolved air water reliever 18, combine the formation scum silica frost with suspended substance, after rising to liquid level under the castering action of gas, scrape to slag receiving trough 21 removals by slag scraper 10, the impurity of failing to remove is settled down to the bottom through inclined tube 19, discharge by mud valve 20, the sewage that purifies is mixed through machine after the inclined tube group sedimentation of negative area, to buffer zone, after discharging, water shoot 23 enters the rejection of oil flied effluent system by overflow weir 22 overflows.
Claims (5)
1. aggregation sinking and emerging treatment device for oilfield produced waste water, fall a slagging-off section D and form by gentle the drifting along of tank body, inlet segment A, agglomerated air floatation section B, dosing hybrid reaction section C, it is characterized in that tank body is made as cuboid, tank deck is airtight, is made as inlet segment, agglomerated air floatation section, gentle the drifting along of dosing hybrid reaction section from the left-to-right limit of tank body by preface and falls the slagging-off section; Inlet segment is connected with the agglomerated air floatation section by the cloth liquid wall of inlet segment; Sewage after the agglomerated air floatation section is handled is communicated with by the line mixer of water pump with dosing hybrid reaction section, enter the dividing plate reactor again, the sewage of processing jin is connected with the air supporting settling section by the water inlet pipe of air supporting settling section, sewage after the processing enters the sewage storage chamber through the overflow weir of air supporting settling section, enters the produced-water reinjection system through outlet valve again.
2. a kind of aggregation sinking and emerging treatment device for oilfield produced waste water according to claim 1, it is characterized in that inlet segment is by forming by preface continuous water inlet pipe, water intaking valve, lift pump, electronic grout flow meter, taper buffering bucket and left cloth liquid wall, the opening part edge welding one of taper buffering bucket burner and tank body left end bottom, Da Kouchu is provided with the left cloth liquid wall that evenly is covered with aperture.
3. a kind of aggregation sinking and emerging treatment device for oilfield produced waste water according to claim 1, it is characterized in that the agglomerated air floatation section is by the coalescent pack that is located at the bottom, the perforation gas distribution pipe at middle part, the slag scraper on top, the collection tank on right cloth liquid wall and top, the overflow plate on right cloth liquid wall the right, the liquid level display of overflow plate the right tank surface, mud valve on the coalescent pack district tank body lower side and the lift pump that is communicated with agglomerated air floatation section rising pipe are formed.
4. a kind of aggregation sinking and emerging treatment device for oilfield produced waste water according to claim 1,90 ° and right clapboard welding one are turned in the top at the bottom of tank body, lower end that it is characterized in that the left clapboard of dosing hybrid reaction section, be provided with the dividing plate reactor in the left clapboard inboard, being provided with two line mixers in the middle part of at the bottom of the cavity between dividing plate reactor and the right clapboard is in series, the line mixer head end is communicated with the agglomerated air floatation section by lift pump, end is communicated with the dividing plate reactor, the dividing plate reactor section is communicated with by air supporting sedimentation slagging-off section water inlet pipe and air supporting sedimentation slagging-off, is equipped with chemical feed pipe on the communicating pipe between communicating pipe of lift pump and line mixer and two line mixers.
5. a kind of aggregation sinking and emerging treatment device for oilfield produced waste water according to claim 1, it is characterized in that it is 60 ° inclined tube group from upper right oblique angle to left down that air supporting settling section middle part is provided with a row, the both sides, front and back of inclined tube group and the airtight one of tank body, inside upper part is provided with a slag receiving trough in inclined tube group upper end, be provided with an overflow weir on the slag receiving trough right side, integrally formed air supporting sedimentation chamber and sewage storage chamber are welded in overflow weir lower end and outer, inclined tube group upper end; Be provided with slag scraper on air supporting sedimentation chamber top, the bottom is provided with mud valve, is provided with outlet valve in sewage storage chamber right flank middle and lower part; Be provided with the dissolved air water return line at lower bottom part, on the dissolved air water return line, be provided with reverse flow valve, air dissolved pump, electronic grout flow meter and dissolved air water reliever by preface; The dissolved air water reliever is located at the following middle part of air supporting sedimentation slagging-off section left clapboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202339012U CN201729725U (en) | 2010-06-12 | 2010-06-12 | Oilfield-produced sewage aggregation and floating-sinking processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202339012U CN201729725U (en) | 2010-06-12 | 2010-06-12 | Oilfield-produced sewage aggregation and floating-sinking processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201729725U true CN201729725U (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202339012U Expired - Fee Related CN201729725U (en) | 2010-06-12 | 2010-06-12 | Oilfield-produced sewage aggregation and floating-sinking processing device |
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| Country | Link |
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| CN (1) | CN201729725U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587298A (en) * | 2016-12-13 | 2017-04-26 | 北京中科润金环保工程股份有限公司 | Oil removing and coagulating sedimentation device for oil field waste liquid treatment |
| CN112609808A (en) * | 2021-01-14 | 2021-04-06 | 成都易见密尔商贸有限公司 | Degreasing device of sewage drain pipe |
| CN112624409A (en) * | 2020-12-17 | 2021-04-09 | 陕西能源职业技术学院 | Intermittent sedimentation purification device and treatment method for sewage |
-
2010
- 2010-06-12 CN CN2010202339012U patent/CN201729725U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587298A (en) * | 2016-12-13 | 2017-04-26 | 北京中科润金环保工程股份有限公司 | Oil removing and coagulating sedimentation device for oil field waste liquid treatment |
| CN112624409A (en) * | 2020-12-17 | 2021-04-09 | 陕西能源职业技术学院 | Intermittent sedimentation purification device and treatment method for sewage |
| CN112609808A (en) * | 2021-01-14 | 2021-04-06 | 成都易见密尔商贸有限公司 | Degreasing device of sewage drain pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20130612 |