CN103896355B - Foam separator for preprocessing produced water - Google Patents
Foam separator for preprocessing produced water Download PDFInfo
- Publication number
- CN103896355B CN103896355B CN201410144587.3A CN201410144587A CN103896355B CN 103896355 B CN103896355 B CN 103896355B CN 201410144587 A CN201410144587 A CN 201410144587A CN 103896355 B CN103896355 B CN 103896355B
- Authority
- CN
- China
- Prior art keywords
- foam
- water
- separable cartridge
- pump
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Physical Water Treatments (AREA)
Abstract
The invention discloses a foam separator for preprocessing produced water. The foam separator comprises an aeration pump, a separation barrel with the bottom being connected with the aeration pump, a communication pipe which is connected with the bottom of the separation barrel and a water outlet pump which is communicated with the communication pipe; more than two baffle plates are arranged in the separation barrel, and a conical foam concentrator for converging the foams is arranged on the top end inside the separation barrel; one side of the bottom end of the separation barrel is provided with a water inlet valve which is connected with the aeration pump, the other side of the bottom end of the separation barrel is provided with a water outlet valve which is connected with the communication pipe, and one side of the upper end of the separation barrel is provided with a foam liquid outlet; the separation barrel is also provided with a liquid level meter. By adopting the foam separator, the traditional Venturi jet pump is canceled, so that the stability and reliability of the device are improved; in addition, the baffle plates are arranged in the separation barrel, so that the stability of the foams is improved, the water content of the foams is reduced, and the separation efficiency is higher.
Description
Technical field
The present invention relates to a kind of for the pretreated foam separation machine of recovered water.
Background technology
General phosgene field recovered water is different from domestic general gas field recovered water, water quality exists: sulfide content is high, colourity is dark, COD content high (2000 ~ 3000mg/L), containing a large amount of volatile organic matter, have stronger whipability, mainly owing to having volatile pyridines and the pollutent such as derivative and polyamines micromolecular thereof preferably containing very high water-soluble of content.
For the characteristic of general phosgene field recovered water, realize drawing through pilot scale: adopting the Technology being evaporated to main body with low-temperature multi-effect to realize qualified discharge process is administer the effective method of general phosgene field recovered water.But because this recovered water has stronger whipability, directly affect the smooth running of evaporation equipment, and carry secretly due to foam and often cause evaporation condensed water watery part index severe overweight (as COD, ammonia nitrogen, smell, pH, chlorion etc.).Effectively be separated in advance with volatile matter by whipability material in recovered water, to reduce evaporation condensed water contamination index parameter, realizing low-temperature multi-effect evaporation smooth running is very necessary means.
Foam separation machine is a kind of simple and effective waste disposal plant, is used for being separated in sewage the pollutent that easily foams.It relies on venturi pump ejector device to produce a large amount of micro bubble, huge specific surface area is formed in gas-liquid boundary by micro bubble, utilize tension force and the electrostatic adsorption of specific surface area, from water, picking-up is adhered to by becoming the easy foaming pollutent of solubilised state and suspended state in water, separated by density difference, thus reach the object of de-bubble, foam control.
Found by on-the-spot actual motion, existing foam separation machine exists:
1, venturi mixer mixing wastewater with air is uneven, micro bubble (diameter is less than 1.0mm) generation is not enough, the specific surface area causing micro bubble to be formed is less, is difficult to the foaming substance isolated completely in recovered water, cause foam separation machine separation rate low, be separated not thorough.
2, the foam liquid level formed is high, bubble is comparatively large, air fluid level is wayward, causes the collection rate of foam separation machine to foaming substance low.
3, internal cause structure in exposure chamber's is simple, the froth stability formed is poor, cause foaming aqueous rate higher, foam separation engine efficiency is low, separating effect is not good, after being separated, effluent quality can not meet the requirement of subsequent evaporation main equipment to water quality, affects normal operation and the evaporation condensed water water quality of vapo(u)rization system.
Summary of the invention
The object of the present invention is to provide a kind of for the pretreated foam separation machine of recovered water, the foam separation machine separation rate solving prior art is low, be separated halfway problem.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of be used for the pretreated foam separation machine of recovered water, comprise aeration pump, the separable cartridge that bottom is connected with aeration pump, with the communicating pipe be connected bottom separable cartridge, and be connected with communicating pipe go out water pump; Be provided with the traverse baffle of more than two pieces in described separable cartridge, and be provided with the tapered foam collector for collecting foam on the top of separable cartridge inside; The side of separable cartridge bottom is provided with the water intaking valve, the opposite side that are connected with aeration pump and is provided with the outlet valve be connected with communicating pipe, and the side of separable cartridge upper end position is provided with foam solution outlet; Described separable cartridge is also provided with liquidometer.
Further, described communicating pipe is vertically arranged, and communicating pipe top, middle part, bottom be equipped with a liquid adjusting valve be connected with communicating pipe, all liquid adjusting valves all with go out water pump and be connected.
Again further, described aeration pump comprises the pump housing, the rising pipe being arranged at the water inlet pipe on the pump housing, inlet pipe and being communicated with water intaking valve; Described inlet pipe is provided with air inlet adjustment valve, and rising pipe is provided with out water regulating valve.
Further, be closely connected with separable cartridge inwall bottom described tapered foam collector, and tie point is positioned at foam solution outlet below.
In addition, the angle between described tapered foam collector side and horizontal plane is 50 ~ 70 °, and is provided with foam upflow tube at tapered foam collector top.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention adopts aeration pump, utilizes the impeller high-speed stirring of the pump housing, strong water absorption function, high-lift performance.Realize water inlet, air-breathing, mixing, supercharging dissolving synchronous operation, release of pressure, mixing, aeration instantaneous burst is achieved when water quality enters cylindrical shell, increase the formation volume of micro bubble in water, increase the micro bubble specific surface area that gas-liquid interface is formed in exposure chamber, utilize tension force and the electrostatic adhesion ability of specific surface area, be effectively separated volatile matter and foaming substance in recovered water.Solve Venturi mixing wastewater with air uneven, cause bubble generation not enough, the problem that the specific surface area of formation is little, improve the rate of decomposition of foam separation machine.
(2) the present invention is provided with liquidometer on separable cartridge, by controlling out the aperture of water pump and flowing water Valve, regulating separator cartridge median water level and foam liquid level, increasing lather volume ratio, realize being separated foam, improve the collection rate of the present invention to foaming substance.
(3) the present invention is provided with traverse baffle in separable cartridge, by traverse baffle reinforced foam stability, reduces foaming aqueous rate, improves efficiency of the present invention and result of use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein, mark corresponding component name in accompanying drawing to be called: 1-separable cartridge, 2-communicating pipe, 3-goes out water pump, 4-traverse baffle, the tapered foam collector of 5-, 6-water intaking valve, 7-outlet valve, 8-foam solution exports, 9-liquidometer, 10-liquid adjusting valve, the 11-pump housing, 12-water inlet pipe, 13-inlet pipe, 14-rising pipe, 15-air inlet adjustment valve, 16-goes out water regulating valve, 17-foam upflow tube.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment
As shown in Figure 1, a kind of be used for the pretreated foam separation machine of recovered water, comprise aeration pump, the separable cartridge 1 that bottom is connected with aeration pump, the communicating pipe 2 be connected with bottom separable cartridge, and be connected with communicating pipe go out water pump 3; Be provided with the traverse baffle 4 of more than two pieces in described separable cartridge, and be provided with the tapered foam collector 5 for collecting foam on the top of separable cartridge inside; The side of separable cartridge bottom is provided with the water intaking valve 6, the opposite side that are connected with aeration pump and is provided with the outlet valve 7 be connected with communicating pipe, and the side of separable cartridge upper end position is provided with foam solution outlet 8; Described separable cartridge is also provided with liquidometer 9.
Wherein, communicating pipe is vertically arranged, and communicating pipe top, middle part, bottom be equipped with a liquid adjusting valve be connected with communicating pipe 10, all liquid adjusting valves all with go out water pump and be connected.The present invention regulates the liquid level in separable cartridge by communicating pipe and liquid adjusting valve, then determine the accurate location of liquid level according to liquidometer.When needs make liquid level lower, only need open the liquid adjusting valve of bottom, make outlet valve and go out water pump and be connected, and close other two liquid adjusting valves, when needs make liquid level be in middle part, only need open the liquid adjusting valve at middle part, and close other two liquid adjusting valves, when needing to make liquid level higher, just control the liquid adjusting valve on top.
Aeration pump comprises the pump housing 11, the rising pipe 14 being arranged at the water inlet pipe 12 on the pump housing, inlet pipe 13 and being communicated with water intaking valve; Described inlet pipe is provided with air inlet adjustment valve 15, and rising pipe is provided with out water regulating valve 16.When using of the present invention, by regulating air inlet adjustment valve and going out water regulating valve, making aeration pump produce more micro bubble, and the stability of foam can be ensured for a long time.
Closely be connected with separable cartridge inwall bottom tapered foam collector, and tie point is positioned at foam solution outlet below.By above-mentioned setting, foam can be made first to discharge separable cartridge through tapered foam collector and then from foam solution outlet.
In order to better realize the present invention, the angle between described tapered foam collector side and horizontal plane is 50 ~ 70 °.The angle selected of the present embodiment is 60 °; In addition, be provided with foam upflow tube 17 at tapered foam collector top, foam is assembled in tapered foam collector, is then flowed out from tapered foam collector by foam upflow tube, and then flows out separable cartridge from foam solution outlet.
Principle of design of the present invention is as follows:
Pending recovered water is pumped in the present invention, utilizes the structure of impeller in aeration pump, whirlpool body, impeller high-speed stirring, the strong high-lift performance of water scooping machine, realizing limit water inlet, the interior pressurization of limit air-breathing, pump mixes, supercharging is dissolved and run simultaneously; Air-breathing controls air input size by the aperture of air inlet adjustment valve, air is under high pressure mixed evenly, dissolved efficiency improve (dissolved efficiency is up to 80% ~ 100%, higher than venturi mixer more than three times), make mixing wastewater with air evenly, when entering separable cartridge, because flow velocity sharply reduces, air pressure acutely declines, a large amount of extremely fine bubble is produced when relief pressure, bubble diameter 20 ~ 30 μm, the gas-liquid interface of micro bubble in separable cartridge forms huge specific surface area; According to the display of liquidometer height, adjust the aperture of water pump, outlet valve, and liquid adjusting valve, thus increase the volume ratio of foam liquid level and adjustment foam/Separation of Water; Utilize traverse baffle reinforced foam stability, extend the residence time of foam layer, reduce foaming aqueous rate; Move up along with micro bubble forms foam in separable cartridge, the tension force of the specific surface area utilizing micro bubble to be formed and electrostatic adsorption force, suspended solids (SS) in water and deliquescent foaming substance are gathered micro bubble surface, air supporting upwardly detaches water body, enter in the tapered collector of foam at top, then discharged by foam solution outlet.
Present invention eliminates traditional Venturi jet-pump, improve equipment stability in use and reliability; Meanwhile, adopt aeration pump and air inlet adjustment valve, make mixing wastewater with air evenly, produce foam more fully, foam is more careful, foam separation is more thorough; In addition, in separable cartridge, be provided with traverse baffle, increase froth stability, reduce foaming aqueous rate, separation efficiency is higher.
Operation steps of the present invention:
1, full admission variable valve, make air inlet abundant, so that aeration pump produces more micro bubble, a large amount of micro bubble forms huge specific surface area, increases tension force and the electrostatic adhesion ability of specific surface area.
2, water intaking valve is opened, pending recovered water is pumped into 2/3 place in separable cartridge, increase Underwater sound field, utilize aeration pump to produce a large amount of micro bubble, along with micro bubble moves up in separable cartridge, then discharge from foam solution outlet in the tapered foam collector entering top.
3, observe foam solution outlet, after foam solution outlet has foam to flow out, open outlet valve and go out water pump.
4, observe liquidometer, the data shown by liquidometer, adjust the aperture of water pump and outlet valve, and liquid adjusting valve, increase the volume ratio of foam liquid level and adjustment foam/Separation of Water.
5, the water ratio the foam of discharging from foam solution outlet is observed.
6, regulate intake valve aperture, control air input size, make the formation volume of micro bubble remain in the load range of design, reinforced foam stability, reduce foaming aqueous rate.The tension force of the specific surface area utilizing micro bubble to be formed and electrostatic adhesion ability, be thoroughly separated the foaming substance in recovered water.
7, adjust the aperture of water pump and outlet valve, control Inlet and outlet water flow, make the recovered water in separable cartridge remain on suitable liquid level, thus realize the thorough separation to foaming substance in recovered water.
Treatment effect of the present invention is as following table 1:
Foam performance: 1, foam height drops to 3mm by 40mm; 2, froth stability is reduced to 3s by 1500s.
According to above-described embodiment, just the present invention can be realized well.What deserves to be explained is; under prerequisite based on said structure design, for solving same technical problem, even if some making on the invention are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the present invention, therefore it also should in protection scope of the present invention.
Claims (4)
1. for the pretreated foam separation machine of recovered water, it is characterized in that, comprise aeration pump, the separable cartridge (1) that bottom is connected with aeration pump, the communicating pipe be connected with bottom separable cartridge (2), and be connected with communicating pipe go out water pump (3); Be provided with the traverse baffle (4) of more than two pieces in described separable cartridge, and be provided with the tapered foam collector (5) for collecting foam on the top of separable cartridge inside; The side of separable cartridge bottom is provided with the water intaking valve (6), the opposite side that are connected with aeration pump and is provided with the outlet valve (7) be connected with communicating pipe, and the side of separable cartridge upper end position is provided with foam solution outlet (8); Described separable cartridge is also provided with liquidometer (9);
Wherein, described aeration pump comprises the pump housing (11), the rising pipe (14) being arranged at the water inlet pipe (12) on the pump housing, inlet pipe (13) and being communicated with water intaking valve; Described inlet pipe is provided with air inlet adjustment valve (15), and rising pipe is provided with out water regulating valve (16).
2. one according to claim 1 is used for the pretreated foam separation machine of recovered water, it is characterized in that, described communicating pipe is vertically arranged, and communicating pipe top, middle part, bottom be equipped with a liquid adjusting valve be connected with communicating pipe (10), all liquid adjusting valves all with go out water pump and be connected.
3. one according to claim 2 is used for the pretreated foam separation machine of recovered water, it is characterized in that, is closely connected bottom described tapered foam collector with separable cartridge inwall, and tie point is positioned at foam solution outlet below.
4. the one according to any one of claims 1 to 3 is used for the pretreated foam separation machine of recovered water, it is characterized in that, angle between described tapered foam collector side and horizontal plane is 50 ~ 70 °, and is provided with foam upflow tube (17) at tapered foam collector top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410144587.3A CN103896355B (en) | 2014-04-11 | 2014-04-11 | Foam separator for preprocessing produced water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410144587.3A CN103896355B (en) | 2014-04-11 | 2014-04-11 | Foam separator for preprocessing produced water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103896355A CN103896355A (en) | 2014-07-02 |
| CN103896355B true CN103896355B (en) | 2015-07-15 |
Family
ID=50987988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410144587.3A Active CN103896355B (en) | 2014-04-11 | 2014-04-11 | Foam separator for preprocessing produced water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103896355B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009136739A (en) * | 2007-12-05 | 2009-06-25 | Fisheries Research Agency | Water purification method and foam separation apparatus using this method |
| JP2011224422A (en) * | 2010-04-15 | 2011-11-10 | Yanmar Co Ltd | Foam separation apparatus |
| CN103601348A (en) * | 2013-12-10 | 2014-02-26 | 达州军华油田工程服务有限公司 | Advanced treatment process for gas field produced water |
| CN203768064U (en) * | 2014-04-11 | 2014-08-13 | 达州军华油田工程服务有限公司 | Foam separator used for produced water pretreatment |
-
2014
- 2014-04-11 CN CN201410144587.3A patent/CN103896355B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009136739A (en) * | 2007-12-05 | 2009-06-25 | Fisheries Research Agency | Water purification method and foam separation apparatus using this method |
| JP2011224422A (en) * | 2010-04-15 | 2011-11-10 | Yanmar Co Ltd | Foam separation apparatus |
| CN103601348A (en) * | 2013-12-10 | 2014-02-26 | 达州军华油田工程服务有限公司 | Advanced treatment process for gas field produced water |
| CN203768064U (en) * | 2014-04-11 | 2014-08-13 | 达州军华油田工程服务有限公司 | Foam separator used for produced water pretreatment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103896355A (en) | 2014-07-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6309090B2 (en) | Pressure levitation device | |
| CN202054680U (en) | Sedimentation and bubble floatation integrated water treatment equipment | |
| CN103351038A (en) | Gas-floatation rotational-flow coalescence composite type sewage oil-removing device | |
| CN108640389A (en) | The method and micro-nano bubble-vacuum membrane distillation for handling waste water desalination couple desalination system | |
| CN103112971B (en) | Coagulation-floatation and co-coagulation solid-liquid separation device and solid-liquid separation method | |
| CN105540939B (en) | The device and method of calcium, magnesium, fluorine and element silicon in a kind of removal waste water | |
| CN105668827A (en) | Two-stage treatment method for offshore platform production wastewater | |
| CN110713226B (en) | Oil-gas-water separation device | |
| CN203382540U (en) | Floating, swirling and coalescing combined sewage deoiling device | |
| CN203768064U (en) | Foam separator used for produced water pretreatment | |
| CN201999760U (en) | Two-level air flotation oil remover | |
| CN103896355B (en) | Foam separator for preprocessing produced water | |
| CN104404930B (en) | River estuary electricity generation system | |
| CN108328877A (en) | Coagulation air-float biological activated carbon group technology treated sewage system and method | |
| JP2010094594A (en) | Solid-liquid separator | |
| CN102910703B (en) | Ultrasonic air floatation system | |
| US20100071780A1 (en) | Vacuum activated closed loop system | |
| CN205269219U (en) | Interior aeration embrane method water treatment facilities | |
| CN113526614B (en) | Pipeline air-entrapping cyclone coalescence-separation device and method for treating oily sewage | |
| CN202265493U (en) | Sludge concentrating device | |
| CN102730781A (en) | Circular current dissolved air copolymerization flotation system and technology | |
| KR101820602B1 (en) | Movable membrane filtration apparatus for purifying water and method for purifying water using the same | |
| WO2017094373A1 (en) | Floating object recovery vessel | |
| CN205269126U (en) | Condensate hierarchy treatment device | |
| CN205035110U (en) | Utilize device of anti - bubble preparation microbubble |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 636150 Sichuan province Dazhou Xuanhan County seven Li Township ten villages one society Applicant after: Jun Hua Environmental Protection Technology Co., Ltd of Dazhou City Address before: 636150 Sichuan province Dazhou Xuanhan County seven Li Township ten villages one society Applicant before: Dazhou Junhua Oil Field Engineering Service Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: DAZHOU JUNHUA OIL FIELD ENGINEERING SERVICE CO., LTD. TO: DAZHOU JUNHUA ENVIROMANTAL PROTECTION TECHNOLOGY CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170822 Address after: 610000, No. 1, building 1, No. 712, 1700, Tianfu Avenue, north section, Tianfu Road, Chengdu, Sichuan. 7 Patentee after: Sichuan lung long Environmental Protection Technology Co., Ltd. Address before: 636150 Sichuan province Dazhou Xuanhan County seven Li Township ten villages one society Patentee before: Jun Hua Environmental Protection Technology Co., Ltd of Dazhou City |