CN103435213A - Three-phase flow separation device for natural gas wastewater - Google Patents
Three-phase flow separation device for natural gas wastewater Download PDFInfo
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- CN103435213A CN103435213A CN2013103778477A CN201310377847A CN103435213A CN 103435213 A CN103435213 A CN 103435213A CN 2013103778477 A CN2013103778477 A CN 2013103778477A CN 201310377847 A CN201310377847 A CN 201310377847A CN 103435213 A CN103435213 A CN 103435213A
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Abstract
The invention discloses a three-phase flow separation device for natural gas wastewater. The three-phase flow separation device for natural gas wastewater comprises a circulating pump, a heating chamber, a separator and a solid-liquid separation device which are sequentially connected by circulating tubes to form a circulating system, wherein the circulating tubes comprise an upper circulating tube and a lower circulating tube; the separator is divided into an upper conical section, a straight section and a lower conical section, the outlet of the lower conical section is connected with a solid collector having a flotation function; the upper circulating tube is connected with the straight section of the separator; the lower circulating tube is connected with the lower conical section of the separator; an automatic washing gas-liquid separation device is arranged on the top of the separator. The three-phase flow separation device disclosed by the invention is simple in structure, convenient to use, low in equipment energy consumption, wide in treatment amount range and good in treatment effect, realizes large production scale for natural gas wastewater treatment devices and circulating utilization for natural gas wastewater, and has high environmental protection value and economic value.
Description
Technical field
The present invention relates to a kind of Sweet natural gas waste water three-phase flow tripping device, belong to chemical machinery field.
Background technology
Sweet natural gas can produce a large amount of waste water in recovery process, mainly contains the environmental pollutant such as petroleum-type, organic matter, heavy metal, soda acid thing, chlorion in this class waste water, if directly discharge and can cause very big pollution to the wellblock periphery.At present, for the improvement of Sweet natural gas waste water mainly for petroleum-type, organic matter, heavy metal and soda acid thing, the clear water-reducible method of the general employing of chlorion for high density is processed, but the method has not only been wasted a large amount of water resourcess, and do not recycle the chlorion in waste water, uneconomical environmental protection.For the Sweet natural gas waste water that contains high-concentration chlorine ion after processing, can adopt the method for evaporating, concentrating and crystallizing desalination to recycle the chlorion in waste water, but there is no at present tripping device for the Sweet natural gas wastewater treatment, the Sweet natural gas waste water treatment can't the implement device maximization be produced processing.
Summary of the invention
Purpose of the present invention just is for the deficiencies in the prior art, and a kind of Sweet natural gas waste water three-phase flow tripping device is provided.
To achieve these goals, the technical solution used in the present invention is such:
A kind of Sweet natural gas waste water three-phase flow tripping device, comprise by circulation tube and be linked in sequence and form recycle pump, heating chamber, separator and the equipment for separating liquid from solid of circulating system, described circulation tube comprises upper circular tube and lower circulation tube, described separator is divided into upper cone section, straight section and lower cone section, the lower cone section outlet connects solid collector, described upper circular tube connects the separator straight section, and lower circulation tube connects the separator lower cone section.Described solid collector comprises gathering barrel, and the gathering barrel bottom is provided with top water pipe and accidental discharge pipe, and lower end is provided with drainage conduit.The current of the inner logical certain flow rate of top water pipe make the gathering barrel internal flow state, drive the particle flow that is deposited in bottom and discharge from drainage conduit.
Recycle pump is squeezed into preheating in heating chamber by pending waste water, then enter crystallization in separator by upper circular tube, difference due to weight, isolated steam rising to separator upper cone section enters next process, the macrobead of crystallization and the feed liquid of liquid mixing drop in solid collector carries out solid-liquid separation and obtains crystalline particle, crystallization small-particle feed liquid enters the initial gross separation in equipment for separating liquid from solid of lower circulation tube, clear liquid enters next process, the crystallization small-particle is again brought in separator and is carried out crystallization until obtain the crystallization macrobead of designated size and separate by circulation tube.
From energy-saving and cost-reducing angle, wastewater treatment three-phase flow tripping device can be set to multistage use, the heating chamber that upper level tripping device steam out enters into the next stage tripping device is used as thermal source, and the vapor condensation of final stage tripping device is that recirculated water is used.
Because entrainment with steam out in separator the liquid foam that contains chlorion, if directly it is discharged to the next stage heating chamber, use, not only affect heat-transfer effect, also can corrode heating chamber simultaneously.In the separator of final stage tripping device, because gas velocity is larger, the phenomenon of entrainment with steam liquid foam is even more serious, has had a strong impact on the quality of recirculated water, has increased and has effluxed amount of chloride ions, contaminate environment.For above-mentioned deficiency, as a further improvement on the present invention, described separator upper cone section is provided with gas-liquid separation device, and described gas-liquid separation device comprises wire mesh mist eliminator and wash tub pipe, wire mesh mist eliminator is arranged on the wash tub pipe top, and wash tub pipe is provided with several nozzles.Because the silk screen on wire mesh mist eliminator can make steam, pass through, the liquid foam stops on silk screen, thereby steam is separated with the liquid foam, and the steam that obtains more cleaning has improved the quality of recirculated water, has reduced and has effluxed amount of chloride ions, has reduced the pollution to environment.Wash tub pipe regularly rinses wire mesh mist eliminator, prevents that the liquid foam from stopping up wire mesh mist eliminator, guarantees the separating effect of wire mesh mist eliminator separate vapour and liquid foam.
Described equipment for separating liquid from solid comprises separator cartridge, chuck and clear liquid vent pipe, and separator cartridge is arranged on lower circulation tube inside, and chuck is sheathed on the separator cartridge outside and is connected with lower circulation tube, and the clear liquid vent pipe is arranged on chuck top.When the feed liquid that certain solid-to-liquid ratio is arranged from after circulation tube enters separator cartridge, feed liquid, in the decline process, is filled rapidly chuck, when reaching certainweight, solid particles sediment.Because the density of solid particulate is greater than liquid, lift velocity is slow, clear liquid more early arrives the clear liquid vent pipe and discharges in chuck, area difference due to the existence of the gap between chuck and separator cartridge, solid particulate does not settle down to reach settled weight when reaching the clear liquid vent pipe, has just realized and so forth separating of solid particulate and clear liquid.
In order to improve isolated solid particulate purity in solid collector, the solid that assurance is separated reaches product requirement, be provided with the solid flotation unit in described solid collector inside, described solid flotation unit is the water inlet pipe that is arranged on gathering barrel inside, and the water inlet pipe exit end mouth of pipe arranges downwards.According to the density difference of impurity, particle, by the gathering barrel different positions, water inlet pipe being set, make the liquid level of different positions be fluidized state, thereby make the impurity that weight is lighter swim in liquid level, heavier particles settling to the drainage conduit of weight is discharged.
Preheating of the present invention hot feed liquid later enters separator from the separator straight section, and vaporization rate is fast, and in separator, the feed liquid liquid level is controlled lower, the liquid column hydrostatic pressure loss is little, and the feed liquid fluctuation is little, and vapor zone foam phenomenon is light, feed liquid starts vaporization above liquid level simultaneously, and gases affect is less than Level Detection in tank.
Three-phase flow tripping device of the present invention is simple in structure, easy to use, and equipment energy consumption is low, and process range is wide, has realized the maximization industrial scale of Sweet natural gas wastewater treatment equipment and the recycle of Sweet natural gas waste water, has higher environmental protection and economic worth.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
The structural representation that Fig. 2 is gas-liquid separation device in the present invention;
The structural representation that Fig. 3 is equipment for separating liquid from solid in the present invention;
The structural representation that Fig. 4 is solid collector in the present invention.
Marginal data:
1, recycle pump; 2, heating chamber; 3, separator; 4, equipment for separating liquid from solid; 5, solid collector; 6, upper circular tube; 7, lower circulation tube; 8, gas-liquid separation device; 9, solid particulate;
31, separator upper cone section; 32, separator straight section; 33, separator lower cone section;
41, separator cartridge; 42, chuck; 43, clear liquid vent pipe;
51, gathering barrel; 52, top water pipe; 53, accidental discharge pipe; 54, drainage conduit; 55, water inlet pipe;
81, wire mesh mist eliminator; 82, wash tub pipe; 83, nozzle.
Embodiment
In order more to be expressly understood purpose of the present invention, technical scheme and beneficial effect, below in conjunction with accompanying drawing, the present invention is described further, but protection scope of the present invention is not limited in following examples.
Referring to Fig. 1, a kind of Sweet natural gas waste water three-phase flow tripping device of the present invention, comprise by circulation tube and be linked in sequence and form recycle pump 1, heating chamber 2, separator 3 and the equipment for separating liquid from solid 4 of circulating system, described circulation tube comprises upper circular tube 6 and lower circulation tube 7, described separator is divided into separator upper cone section 31, separator straight section 32 and separator lower cone section 33, lower cone section 33 outlets connect solid collector 5, described upper circular tube 6 connects separator straight section 32, and lower circulation tube 7 connects separator lower cone section 33.Described solid collector comprises gathering barrel 51, and gathering barrel 51 bottoms are provided with top water pipe 52 and accidental discharge pipe 53, and lower end is provided with drainage conduit 54.The current of top water pipe 52 inner logical certain flow rate make gathering barrel 51 internal flow states, drive the particle flow that is deposited in bottom and discharge from drainage conduit 54.
Its principle of work is: recycle pump 1 is squeezed into preheating in heating chamber 2 by pending waste water, then enter fractional crystallization in separator 3 by upper circular tube 6, difference due to weight, steam rising out to separator upper cone section 31 enters next process, the macrobead of crystallization and the feed liquid of liquid mixing drop in solid collector 5 carries out solid-liquid separation and obtains crystalline particle, crystallization small-particle feed liquid enters the initial gross separation in equipment for separating liquid from solid 4 of lower circulation tube 7, clear liquid enters next process, the crystallization small-particle is again brought in separator 3 and is carried out fractional crystallization until obtain the crystallization macrobead of designated size and separate by circulation tube.
From energy-saving and cost-reducing angle, wastewater treatment three-phase flow tripping device can be set to multistage use, the heating chamber that upper level tripping device steam out enters into the next stage tripping device is used as thermal source, and the vapor condensation of final stage tripping device is that recirculated water is used.
Because entrainment with steam out in separator the liquid foam that contains chlorion, if directly it is discharged to the next stage heating chamber, use, not only affect heat-transfer effect, also can corrode heating chamber simultaneously.In the separator of final stage tripping device, because gas velocity is larger, the phenomenon of entrainment with steam liquid foam is even more serious, has had a strong impact on the quality of recirculated water, has increased and has effluxed amount of chloride ions, contaminate environment.For above-mentioned deficiency, as a further improvement on the present invention, described separator upper cone section 31 is provided with gas-liquid separation device 8, described gas-liquid separation device 8 comprises wire mesh mist eliminator 81 and wash tub pipe 82, wire mesh mist eliminator 81 is arranged on wash tub pipe 82 tops, and wash tub pipe 82 is provided with several nozzles 83.Because the silk screen on wire mesh mist eliminator 81 can make steam, pass through, the liquid foam stops on silk screen, thereby steam is separated with the liquid foam, and the steam that obtains more cleaning has improved the quality of recirculated water, has reduced and has effluxed amount of chloride ions, has reduced the pollution to environment.The wash tub pipe nozzle 83 regularly current of ejection rinses wire mesh mist eliminator, prevents that the liquid foam from stopping up wire mesh mist eliminator, guarantees the separating effect of wire mesh mist eliminator separate vapour and liquid foam.
Equipment for separating liquid from solid 4 of the present invention comprises separator cartridge 41, chuck 42 and clear liquid vent pipe 43, and separator cartridge 41 is arranged on lower circulation tube 7 inside, and chuck 41 is sheathed on separator cartridge 41 outsides and is connected with lower circulation tube, and clear liquid vent pipe 43 is arranged on chuck 42 tops.The length of described chuck 42 is greater than the length of separator cartridge 41.When the feed liquid that certain solid-to-liquid ratio is arranged from after circulation tube enters separator cartridge, feed liquid, in the decline process, is filled rapidly chuck, when reaching certainweight, solid particulate 9 sedimentations.Because the density of solid particulate is greater than liquid, lift velocity is slow, clear liquid more early arrives the clear liquid vent pipe and discharges in chuck, and solid particulate does not settle down to reach settled weight when reaching the clear liquid vent pipe, has just realized and so forth separating of solid particulate and clear liquid.
In order to improve isolated solid particulate purity in solid collector, the solid that assurance is separated reaches product requirement, be provided with the solid flotation unit in described solid collector 5 inside, described solid flotation unit is the water inlet pipe 55 that is arranged on gathering barrel inside, and the water inlet pipe 55 exit end mouths of pipe arrange downwards.According to the density difference of impurity, particle, by the gathering barrel different positions, water inlet pipe being set, make the liquid level of different positions be fluidized state, thereby make the impurity that weight is lighter swim in liquid level, heavier particles settling to the drainage conduit of weight is discharged.
Preheating of the present invention hot feed liquid later enters separator from the separator straight section, and vaporization rate is fast, and in separator, the feed liquid liquid level is controlled lower, the liquid column hydrostatic pressure loss is little, and the feed liquid fluctuation is little, and vapor zone foam phenomenon is light, feed liquid starts vaporization above liquid level simultaneously, and gases affect is less than Level Detection in tank.
Three-phase flow tripping device of the present invention is simple in structure, easy to use, and equipment energy consumption is low, and the treatment capacity scope is wide, has realized the maximization industrial scale of Sweet natural gas wastewater treatment equipment and the recycle of Sweet natural gas waste water, has higher environmental protection and economic worth.
Claims (6)
1. a Sweet natural gas waste water three-phase flow tripping device, it is characterized in that: comprise by circulation tube and be linked in sequence and form recycle pump, heating chamber, separator and the equipment for separating liquid from solid of circulating system, described circulation tube comprises upper circular tube and lower circulation tube, described separator is divided into upper cone section, straight section and lower cone section, the lower cone section outlet connects solid collector, described upper circular tube connects the separator straight section, and lower circulation tube connects the separator lower cone section.
2. a kind of Sweet natural gas waste water three-phase flow tripping device according to claim 1, it is characterized in that: described separator upper cone section is provided with gas-liquid separation device.
3. a kind of Sweet natural gas waste water three-phase flow tripping device according to claim 2, it is characterized in that: described gas-liquid separation device comprises wire mesh mist eliminator and wash tub pipe, wire mesh mist eliminator is arranged on the wash tub pipe top, and wash tub pipe is provided with several nozzles.
4. a kind of Sweet natural gas waste water three-phase flow tripping device according to claim 1, it is characterized in that: described equipment for separating liquid from solid comprises separator cartridge, chuck and clear liquid vent pipe, separator cartridge is arranged on lower circulation tube inside, chuck is sheathed on the separator cartridge outside and is connected with lower circulation tube, and the clear liquid vent pipe is arranged on chuck top.
5. a kind of Sweet natural gas waste water three-phase flow tripping device according to claim 1, it is characterized in that: described solid collector comprises gathering barrel, and the gathering barrel bottom is provided with top water pipe and accidental discharge pipe, and lower end is provided with drainage conduit.
6. a kind of Sweet natural gas waste water three-phase flow tripping device according to claim 1, it is characterized in that: described solid collector inside is provided with the solid flotation unit, described solid flotation unit is the water inlet pipe that is arranged on gathering barrel inside, and the water inlet pipe exit end mouth of pipe arranges downwards.
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| CN2013103778477A CN103435213A (en) | 2013-08-27 | 2013-08-27 | Three-phase flow separation device for natural gas wastewater |
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| CN2013103778477A CN103435213A (en) | 2013-08-27 | 2013-08-27 | Three-phase flow separation device for natural gas wastewater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386769A (en) * | 2014-11-06 | 2015-03-04 | 曾小芳 | Method for selectively extracting salt from high-salinity organic wastewater |
| CN104445477A (en) * | 2014-11-06 | 2015-03-25 | 曾小芳 | Evaporative-crystallization salt making equipment and wastewater treatment system for treating high-salt organic wastewater |
| CN111747463A (en) * | 2020-06-17 | 2020-10-09 | 江苏江中纪元科技有限公司 | Multi-effect evaporation crystallization equipment and multi-effect evaporation crystallization process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386769A (en) * | 2014-11-06 | 2015-03-04 | 曾小芳 | Method for selectively extracting salt from high-salinity organic wastewater |
| CN104445477A (en) * | 2014-11-06 | 2015-03-25 | 曾小芳 | Evaporative-crystallization salt making equipment and wastewater treatment system for treating high-salt organic wastewater |
| CN111747463A (en) * | 2020-06-17 | 2020-10-09 | 江苏江中纪元科技有限公司 | Multi-effect evaporation crystallization equipment and multi-effect evaporation crystallization process |
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Application publication date: 20131211 |