CN204111503U - A kind of unconventional oilfield sewage treatment device - Google Patents
A kind of unconventional oilfield sewage treatment device Download PDFInfo
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- CN204111503U CN204111503U CN201420545111.6U CN201420545111U CN204111503U CN 204111503 U CN204111503 U CN 204111503U CN 201420545111 U CN201420545111 U CN 201420545111U CN 204111503 U CN204111503 U CN 204111503U
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Abstract
The utility model is to provide a kind of unconventional oilfield sewage treatment device, comprise condensate output transistor road, concentrated sewage delivery conduit, degasser, vertical pipe falling-film evaporator, vapour compressor, high temperature sewage front pump, flotation unit (huge great waves two generation CFU), high temperature sewage (waste water) recirculating pump, de-oiling hydrocyclone, high temperature vapour liquid separator, interchanger, screw expander, drive-motor, high temperature sewage input tube, heat exchange chilled water storage case, interchanger condensate output transistor line, the utility model is reasonable in design, first steam recompression technology is adopted, make sewage capable of circulation concentrated, secondly adopt multilayer oily water separation, repeatedly different separate modes makes oily water separation more thorough, finally adopt and repeatedly shunt process, the sewage of different concns adopts different treatment processs, and processing cost is effectively reduced.
Description
Technical field
The utility model relates to disposing polluted water in oil technical field, particularly relates to a kind of unconventional oilfield sewage treatment device.
Background technology
Aqua-Pure company has found a kind of method, and function of mechanical steam recompression method of evaporation has been modified into a kind of new technology, thus can high-level efficiency, process the great lot of water resources that uses of Natural gas extraction district at low cost.This system initial is that design is used for the diafiltration sewage of clean rubbish landfill yard." after having incorporated our Technology; just can be applied to the waste water in process production of hydrocarbons process; naturally " if our system becomes moveable, mechanical vapor compressor (MVR) technology just can be brought into a new Application Areas by us---the oil field waste of the high variation of process.
The concrete technology flow process of prior art is: sewage → pretreatment stage (oil removal, sedimentation, adjustment) → oily water separation process (coalescence degreaser, swirler, air-floating apparatus) → cascade filtration process (nut-shell, multimedium, fiber medium, ultrafiltration) → A level water filling or reuse.
Along with the exploitation of High water cut, hyposmosis, viscous crude, tidal zone oilfield, oilfield sewage amount constantly increases, and sewage disposal difficulty increases, and adds oil price continued downturn, all requires to reduce oil-field development cost further, improves through squeezing benefit effect.The requirement of existing middle low permeability oil field A1 level water filling and wastewater pollutants complicated component, contaminative is strong and be not suitable for embrane method desalination, undesirable.
Summary of the invention
For the deficiencies in the prior art, the utility model is to provide a kind of high-quality, efficient, cheapness, low stain, easy-operating oil-field water treatment facility.
For achieving the above object, the utility model is achieved by following technical proposals:
A kind of unconventional oilfield sewage treatment device, comprise condensate output transistor road, concentrated sewage delivery conduit, degasser, vertical pipe falling-film evaporator, vapour compressor, high temperature sewage front pump, flotation unit, it is characterized in that, described vertical pipe falling-film evaporator is made up of vertical pipe and vaporizer, described vaporizer is shuttle-type tank body, vertically insert in vaporizer bottom vertical pipe, described vertical pipe comprises inside and outside two-layer, internal layer top is provided with opening for feed, bottom is provided with discharge port, outer top side is provided with the first inlet mouth, side, middle part is provided with the second inlet mouth, side, bottom is provided with condensation of water mouth, side, vaporizer top is provided with vapour outlet, described vapour outlet and outer first inlet mouth of vertical pipe are by pipeline communication and described pipeline is provided with vapour compressor, by the compressible vaporizer of vapour compressor Low Temperature Steam out, raise steam is heated up, base of evaporator is also provided with sewage draining exit, for the sewage discharger that will concentrate, in the middle part of vaporizer, side is provided with the second opening for feed, high temperature sewage input tube described in described second opening for feed is communicated with, its effect the sewage less containing greasy dirt is directly sent into evaporator evaporation and accelerates vaporization efficiency, described vaporizer bottom is also provided with circulating outlet, the opening for feed of described lower circulating outlet and vertical pipe passes through pipeline communication, this pipeline is also provided with high temperature sewage (waste water) recirculating pump, its effect sewage inadequate for concentrating degree is entered again vertical pipe to carry out falling film type evaporation and concentrate, second inlet mouth of described vertical pipe and condensation-water drain pass through pipeline communication, this pipeline is provided with degasser, the outer field steam of vertical pipe and internal layer feed liquid have carried out heat exchange across tube wall, outer field vapor condensation becomes water to flow into degasser, the water vapor gas be mixed in water of condensation is separated in degasser, water vapour enters vertical pipe second inlet mouth along with pipeline, condenses water is deposited on degasser and is discharged.
Further, described high temperature sewage input tube also passes through pipeline communication with screw expander, its effect is when greasy dirt polymer content is higher, to blend and components vaporize containing the supercharging of polymkeric substance greasy dirt, screw expander is communicated with high temperature vapour liquid separator, high temperature vapour liquid separator top is communicated with vaporizer side, then be communicated with de-oiling hydrocyclone bottom high temperature vapour liquid separator, in high temperature vapour liquid separator supercharging blend and components vaporize after sewage enter high temperature vapour liquid separator after, upper pyrometer steam directly enters vertical pipe falling-film evaporator, lose with the gas circulation of supplementary vaporizer inside, the high-temp liquid of bottom enters de-oiling hydrocyclone, removing is major part and the inconsistent component of water wherein, de-oiling hydrocyclone is communicated with flotation unit, flotation unit is further by oily water separation, flotation unit and vaporizer circulating outlet pass through pipeline communication, this pipeline is provided with high temperature sewage front pump, high temperature sewage front pump needs the path of closing circulating outlet and high temperature sewage (waste water) recirculating pump to during vaporizer input sewage.
Further, the pipeline that high temperature vapour liquid separator is communicated with vaporizer is also connected with interchanger, its effect be when high temperature vapour liquid separator generation steam more time or vaporizer in vapor pressure excessive time, can by unnecessary steam input heat exchanger, after condensation, become water to discharge, described interchanger is provided with heat exchange chilled water storage case, water coolant (refrigerant) reusable edible of cooling steam, described interchanger and interchanger condensate output transistor pass through pipeline communication, this pipeline is provided with lift pump, unnecessary vapor condensation Cheng Shuihou is exported by output tube by interchanger.
Also have condensate output transistor road by pipeline communication bottom degasser described in the utility model, this pipeline is also provided with a lift pump, the water of condensation bottom degasser is by condensate output transistor discharger.
The sewage draining exit of vaporizer described in the utility model and concentrated sewage delivery conduit, by pipeline communication, this pipeline are also provided with a lift pump, and the concentrated sewage that sewage draining exit is discharged is by concentrating sewage delivery conduit discharger, and lift pump then can accelerate blowdown.
Interchanger described in the utility model is that titanium alloy is made, and ensures durable in use.
The beneficial effects of the utility model are: the utility model is reasonable in design, first adopt steam recompression technology, make sewage capable of circulation concentrated; Secondly adopt multilayer oily water separation, repeatedly different separate modes makes oily water separation more thorough; Finally adopt and repeatedly shunt process, the sewage of different concns adopts different treatment processs, and processing cost is effectively reduced.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 100-condensate output transistor road, 101-concentrates sewage delivery conduit, 102-degasser, 103-vertical pipe falling-film evaporator, 104-vapour compressor, 105-high temperature sewage front pump, 106-flotation unit, 107-high temperature sewage (waste water) recirculating pump, 108-de-oiling hydrocyclone, 109-high temperature vapour liquid separator, 110-titanium alloy interchanger, 111-screw expander, 112-drive-motor, 113-high temperature sewage input tube, 114-heat exchange chilled water storage case, 115-interchanger condensate output transistor.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As shown in Figure 1, a kind of unconventional oilfield sewage treatment device, comprise condensate output transistor road 100, concentrated sewage delivery conduit 101, degasser 102, vertical pipe falling-film evaporator 103, vapour compressor 104, high temperature sewage front pump 105, flotation unit (huge great waves two generation CFU) 106, high temperature sewage (waste water) recirculating pump 107, de-oiling hydrocyclone 108, high temperature vapour liquid separator 109, titanium alloy interchanger 110, screw expander 111, drive-motor 112, high temperature sewage input tube 113, heat exchange chilled water storage case 114, interchanger condensate output transistor 115, it is characterized in that, described vertical pipe falling-film evaporator 103 is made up of vertical pipe and vaporizer, described vaporizer is shuttle-type tank body, vertically insert in vaporizer bottom vertical pipe, described vertical pipe comprises inside and outside two-layer, internal layer top is provided with opening for feed, bottom is provided with discharge port, outer top side is provided with the first inlet mouth, side, middle part is provided with the second inlet mouth, side, bottom is provided with condensation of water mouth, side, vaporizer top is provided with vapour outlet, described vapour outlet and outer first inlet mouth of vertical pipe are by pipeline communication and described pipeline is provided with vapour compressor 104, by the compressible vaporizer of vapour compressor 104 Low Temperature Steam out, raise steam is heated up, base of evaporator is also provided with sewage draining exit, for the sewage discharger that will concentrate, in the middle part of vaporizer, side is provided with the second opening for feed, high temperature sewage input tube 113 described in described second opening for feed is communicated with, its effect the sewage less containing greasy dirt is directly sent into evaporator evaporation and accelerates vaporization efficiency, described vaporizer bottom is also provided with circulating outlet, the opening for feed of described lower circulating outlet and vertical pipe passes through pipeline communication, this pipeline is also provided with high temperature sewage (waste water) recirculating pump 107, its effect sewage inadequate for concentrating degree is entered again vertical pipe to carry out falling film type evaporation and concentrate, second inlet mouth of described vertical pipe and condensation-water drain pass through pipeline communication, this pipeline is provided with degasser 102, the outer field steam of vertical pipe and internal layer feed liquid have carried out heat exchange across tube wall, outer field vapor condensation becomes water to flow into degasser 102, the water vapor gas be mixed in water of condensation is separated in degasser 102, water vapour enters vertical pipe second inlet mouth along with pipeline, condenses water is deposited on degasser and is discharged.
Further, described high temperature sewage input tube 113 also passes through pipeline communication with screw expander 111, its effect is when greasy dirt polymer content is higher, to blend and components vaporize containing the supercharging of polymkeric substance greasy dirt, screw expander 111 is provided with drive-motor 112 for power, screw expander 111 is communicated with high temperature vapour liquid separator 109, high temperature vapour liquid separator 109 top is communicated with vaporizer side, then be communicated with de-oiling hydrocyclone 108 bottom high temperature vapour liquid separator 109, in high temperature vapour liquid separator 109 supercharging blend and components vaporize after sewage enter high temperature vapour liquid separator 109 after, upper pyrometer steam directly enters vertical pipe falling-film evaporator 103, lose with the gas circulation of supplementary vaporizer inside, the high-temp liquid of bottom enters de-oiling hydrocyclone 108, removing is major part and the inconsistent component of water wherein, de-oiling hydrocyclone 108 is communicated with flotation unit 106, flotation unit 106 is further by oily water separation, flotation unit 106 and vaporizer circulating outlet pass through pipeline communication, this pipeline is provided with high temperature sewage front pump 105, high temperature sewage front pump 105 needs the path of closing circulating outlet and high temperature sewage (waste water) recirculating pump 107 to during vaporizer input sewage.The pipeline that high temperature vapour liquid separator 109 and vaporizer are communicated with also is connected with titanium alloy interchanger 110, its effect be when high temperature vapour liquid separator 109 produce steam more time or vaporizer in vapor pressure excessive time, can by unnecessary steam input titanium alloy interchanger 110, after condensation, become water to discharge, described titanium alloy interchanger 110 is provided with heat exchange chilled water storage case 114, water coolant (refrigerant) reusable edible of cooling steam, described titanium alloy interchanger 110 passes through pipeline communication with interchanger condensate output transistor 115, this pipeline is provided with lift pump, unnecessary vapor condensation Cheng Shuihou is exported by output tube by titanium alloy interchanger 110.
Also have condensate output transistor road 100 by pipeline communication bottom degasser 102 described in the utility model, this pipeline is also provided with a lift pump, the water of condensation bottom degasser 102 is by condensate output transistor discharger.
The sewage draining exit of the novel described vaporizer of this use and concentrated sewage delivery conduit 101 are by pipeline communication, and this pipeline is also provided with a lift pump, and the concentrated sewage that sewage draining exit is discharged is by concentrating sewage delivery conduit discharger, and lift pump then can accelerate blowdown.
The principle of work of the present embodiment: pre-heated high temperature sewage (when oil-containing is lower containing polymkeric substance) directly inputs vertical pipe falling-film evaporator 103 by high temperature sewage input tube 113, pre-heated high temperature sewage (when oil-containing is higher containing polymkeric substance) is first inputted in the screw expander 111 driven by asynchronous three-phase machine by high temperature sewage input tube 113, supercharging blends and enters high temperature vapour liquid separator 109 after components vaporize, upper pyrometer steam directly enters vertical pipe falling-film evaporator 103, lose with the gas circulation of supplementary vaporizer inside, the high-temp liquid of high temperature vapour liquid separator 109 bottom enters de-oiling hydrocyclone 108, removing wherein enters flotation unit (huge great waves two generation CFU106) further de-oiling and suspended substance throw out after major part and the inconsistent component of water, water after bulk processing is input into vertical falling-film evaporator 103 by pressurizing delivery pump and carries out evaporation concentration, the steam thermal energy be consumed is undertaken supplementing by vapour compressor 104 and internal recycling and raising vapor temperature, vertical pipe falling-film evaporator 103 internal cooling water enters degasser 102 and carries out vapor-liquid separation, upper part from vertical pipe falling-film evaporator 103 reuse, the water of condensation of degasser 102 bottom is exported by output pump and condensate output transistor road 100, the concentrated solution of vertical pipe falling-film evaporator 103 conical lower portion is outer defeated through concentrated sewage delivery conduit 101 by output pump.
What describe in above-described embodiment and specification sheets just illustrates principle of the present utility model and most preferred embodiment; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.
Claims (6)
1. a unconventional oilfield sewage treatment device, comprise condensate output transistor road, concentrated sewage delivery conduit, degasser, vertical pipe falling-film evaporator, vapour compressor, high temperature sewage front pump, flotation unit, it is characterized in that, described vertical pipe falling-film evaporator is made up of vertical pipe and vaporizer, described vaporizer is shuttle-type tank body, vertically insert in vaporizer bottom vertical pipe, described vertical pipe comprises inside and outside two-layer, internal layer top is provided with opening for feed, bottom is provided with discharge port, outer top side is provided with the first inlet mouth, side, middle part is provided with the second inlet mouth, side, bottom is provided with condensation of water mouth, side, vaporizer top is provided with vapour outlet, described vapour outlet and outer first inlet mouth of vertical pipe are by pipeline communication and described pipeline is provided with vapour compressor, base of evaporator is also provided with sewage draining exit, in the middle part of vaporizer, side is provided with the second opening for feed, high temperature sewage input tube described in described second opening for feed is communicated with, described vaporizer bottom is also provided with circulating outlet, the opening for feed of described lower circulating outlet and vertical pipe passes through pipeline communication, this pipeline is also provided with high temperature sewage (waste water) recirculating pump, second inlet mouth of described vertical pipe and condensation-water drain pass through pipeline communication, this pipeline is provided with degasser.
2. the unconventional oilfield sewage treatment device of one according to claim 1, it is characterized in that: described high temperature sewage input tube also passes through pipeline communication with screw expander, screw expander is communicated with high temperature vapour liquid separator, high temperature vapour liquid separator top is communicated with vaporizer side, then be communicated with de-oiling hydrocyclone bottom high temperature vapour liquid separator, de-oiling hydrocyclone is communicated with flotation unit, flotation unit and vaporizer circulating outlet are by pipeline communication, and this pipeline is provided with high temperature sewage front pump.
3. the unconventional oilfield sewage treatment device of one according to claim 2, it is characterized in that: the pipeline that high temperature vapour liquid separator is communicated with vaporizer is also connected with interchanger, described interchanger is provided with heat exchange chilled water storage case, described interchanger and interchanger condensate output transistor are by pipeline communication, and this pipeline is provided with lift pump.
4. the unconventional oilfield sewage treatment device of one according to claim 1, is characterized in that: also have condensate output transistor road by pipeline communication bottom described degasser, this pipeline is also provided with a lift pump.
5. the unconventional oilfield sewage treatment device of one according to claim 1, is characterized in that: the sewage draining exit of described vaporizer and concentrated sewage delivery conduit, by pipeline communication, this pipeline are also provided with a lift pump.
6. the unconventional oilfield sewage treatment device of one according to claim 3, is characterized in that: described interchanger is that titanium alloy is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420545111.6U CN204111503U (en) | 2014-09-23 | 2014-09-23 | A kind of unconventional oilfield sewage treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420545111.6U CN204111503U (en) | 2014-09-23 | 2014-09-23 | A kind of unconventional oilfield sewage treatment device |
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| CN204111503U true CN204111503U (en) | 2015-01-21 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089154A (en) * | 2016-08-08 | 2016-11-09 | 中国石油化工股份有限公司 | The device of collected polymer from the waste liquid containing polymer |
| CN107510949A (en) * | 2017-09-26 | 2017-12-26 | 深圳市蓝石环保科技有限公司 | A kind of MVR vapo(u)rization systems |
| CN108217792A (en) * | 2018-03-22 | 2018-06-29 | 兰州节能环保工程有限责任公司 | Multi-functional MVR vaporising devices |
-
2014
- 2014-09-23 CN CN201420545111.6U patent/CN204111503U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089154A (en) * | 2016-08-08 | 2016-11-09 | 中国石油化工股份有限公司 | The device of collected polymer from the waste liquid containing polymer |
| CN107510949A (en) * | 2017-09-26 | 2017-12-26 | 深圳市蓝石环保科技有限公司 | A kind of MVR vapo(u)rization systems |
| CN108217792A (en) * | 2018-03-22 | 2018-06-29 | 兰州节能环保工程有限责任公司 | Multi-functional MVR vaporising devices |
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