CN204434314U - A kind of brackish water spherical spiral labyrinth vaporizer - Google Patents
A kind of brackish water spherical spiral labyrinth vaporizer Download PDFInfo
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- CN204434314U CN204434314U CN201420565609.9U CN201420565609U CN204434314U CN 204434314 U CN204434314 U CN 204434314U CN 201420565609 U CN201420565609 U CN 201420565609U CN 204434314 U CN204434314 U CN 204434314U
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Abstract
The utility model provides a kind of spherical spiral labyrinth evaporation equipment for direct-flow gas injection boiler desalination technology, equipment comprises spherical spiral labyrinth evaporator body, in the evaporator body of spherical spiral labyrinth, Halite water evaporates gasification and diffuses into vapor-gas phase district with part higher superheating temperature steam blending, and have salt to analyze, the salinity of separating out and non-evaporated salt water and other solid-liquid foreign material fall into base of evaporator formation strong brine liquid phase region at centrifugal action, gas phase zone and liquid phase region by the heat exchange of heat exchange flow deflector by liquid phase strong brine again heating evaporation become nearly saturated concentrated salt solution, and discharge from container bottom, salt is removed, enter gas phase zone after Halite water evaporation and form high mass dryness fraction saturation steam, high mass dryness fraction saturation steam is mixed into comparatively low overheat steam with another part superheated vapour of boiler steam outlet pipe line and enters steam inject tube gauze after vapor-liquid separation.By this equipment evaporation process, the salinity of 99% can be removed, thus significantly decrease steam injection pipe network system and saltout, ensure steam injection system continuous and stable production.
Description
Technical field
The present invention relates to a kind for the treatment of unit of high slat-containing wastewater, particularly relate to a kind of high slat-containing wastewater treatment unit of oil field gas injection field.
Background technology
The superheated vapour noted to stratum when super―heavy oil is developed, be by a kind of special direct-flow gas injection boiler evaporate thick oil field extracted water produce low overheat steam provide, its production process as shown in Figure 1, will through purification, softening the oil field extracted water after processing is waited to squeeze into one through boiler first paragraph by pump, water is heated and flashes to the steam that mass dryness fraction is about 80%, then steam is imported vapour liquid separator, isolated high-quality steam enters one through boiler second segment to be continued to be heated into higher superheating temperature steam, again will higher superheating temperature steam and isolated Halite water blending by mixing machine, Halite water is all evaporated produce comparatively low overheat steam to use as steam injection.In the process, the salinity carried in steam is easily separated out, the salinity richness separated out after causing steam injection for some time is amassed in the place of steam injection pipeline, single well pipeline, tube inner wall attached water, causes that pipeline internal diameter diminishes, line pressure loss increases and many harm such as abrasion occluding device.For eliminating these harm, salinity need be removed.
Summary of the invention
In order to solve the above problem existed in background technology, the invention provides a kind of brackish water spherical spiral labyrinth vaporizer, the salinity of 99% can be removed by this vaporizer, thus significantly decreases steam injection pipe network system and saltout, and has ensured steam injection system continuous and stable production.
For achieving the above object, the present invention adopts following technical scheme:
A kind of brackish water spherical spiral labyrinth vaporizer, comprise spheroid housing, it is characterized in that, upper part in described spherical shell is provided with dividing plate, spiral heat exchange flow deflector is fixed with under dividing plate, the sidewall of dividing plate upper body is provided with water inlet pipe, the honeycomb duct of coiled coil is formed between spiral heat exchange flow deflector, the entrance of honeycomb duct is provided with steam inlet pipe, the honeycomb duct of the coiled coil dividing plate on admission pipe end has spout hole as water distributor (being in fact exactly that the dividing plate on honeycomb duct punches); Dividing plate center has through hole, on through hole, the steam outlet pipe of housing is stretched out in welding, the steam outlet pipe being positioned at enclosure interior at steam outlet pipe installs built-in vapour liquid separator, the bottom center of housing is provided with the water shoot stretched out downwards, water shoot upper end is positioned at middle and upper part, liquid phase region, be provided with return water pipe at housing bottom, return water pipe is connected with water inlet pipe simultaneously.
The spout hole that the honeycomb duct of coiled coil is offered, arranging close near steam inlet pipe place, is arranged thin away from steam inlet pipe place.
Spiral heat exchange flow deflector is opened face (referring to the mid-plane of spheroid) and is respectively occupied certain altitude up and down in the level of housing.
The invention has the beneficial effects as follows: the desalination rate of 99%, steam injection main line, note are adopted salting-out phenomenon in unification pipeline and oil pipe and are significantly alleviated, and system can steady in a long-term be run, and rate when can improve boiler operatiopn, extends oil pumper pump detection period, improve rate when recovering the oil.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described
Fig. 1 is the direct-flow gas injection boiler desalination process schema adopting mixing machine in prior art;
Fig. 2 is spherical spiral labyrinth of the present invention evaporation structure schematic diagram;
Fig. 3 is I-I schematic cross-section in Fig. 2;
Fig. 4 is spherical spiral labyrinth of the present invention evaporation technology schema;
Fig. 5 is the process flow sheet utilizing spherical spiral labyrinth of the present invention vaporizer desalination.
Embodiment
Illustrate that the invention will be further described with embodiment below in conjunction with accompanying drawing:
As Figure 2-3, spherical spiral labyrinth vaporizer comprises spherical housing 1, upper part in housing 1 is welded with circular bulkheads 2, circular bulkheads is welded with spiral heat exchange flow deflector 3 for 2 times, the sidewall that circular bulkheads 2 top is positioned at housing 1 is provided with water inlet pipe 5, honeycomb duct is formed between spiral heat exchange flow deflector 3, see that the direction that honeycomb duct coils is counter clockwise direction from the top down, the termination of honeycomb duct has steam inlet pipe 4, dividing plate on the honeycomb duct of coiled coil has spout hole as water distributor 6, spout hole is being arranged close near steam inlet pipe 4 place, away from steam inlet pipe 4, place arranges thin.Have through hole at the center of circular bulkheads 2, through hole welds steam outlet pipe 8, steam outlet pipe 8 protrudes upward housing 1, and the part being positioned at housing at steam outlet pipe is provided with built-in vapour liquid separator 9.
Spiral heat exchange flow deflector 3 is opened face (referring to the mid-plane of spheroid) and is respectively occupied certain altitude up and down in the level of housing 1.The space that circular bulkheads 2 and top spheroid are formed is inhalant region W.Space between the bottom surface of spiral heat exchange flow deflector 3 and lower part housing 1 is liquid phase region L, the housing of liquid phase region L bottom center has outwardly directed water shoot 7, water shoot upper end is positioned at middle and upper part, liquid phase region, be provided with return water pipe 10 at housing bottom, return water pipe is connected with water inlet pipe 5 simultaneously.
The using method of this device evaporation desalination, as shown in Figure 4, by part from the higher superheating temperature steam a that direct-flow gas injection boiler produces import vaporizer and in the spiral conduit of spiral heat exchange flow deflector 3 high speed rotating, form eddy flow vapor-gas phase district (G is called for short gas phase zone);
The Halite water b come by vapour liquid separator sprays in air inlet phase region G by water distributor, blending abundant with steam a, and with its flow at high speed, in flow process, the evaporation of Halite water b part enters gas phase zone G, in blending evaporative process, salt is had to analyze, the salinity of precipitation and do not evaporate Halite water liquid and other liquid-solid impurity falls into the liquid phase region (L is called for short liquid phase region) that base of evaporator forms more supersalinity;
Liquid phase region L makes Halite water b continue evaporation concentration with gas phase zone G by heat exchange flow deflector 3 heat exchange to become nearly saturated concentrated salt solution (c, about 250000ppm), regulate double control valve Vw with controlled discharge volume according to the change of water shoot 7 flow meter, its quantity discharged is determined according to boiler feed water amount and salt content thereof;
The flooding quantity of vaporizer is dynamic change, liquid phase region L highly also changes thereupon, measuring these liquid level change by liquid phase region L liquidometer on vaporizer regulates control valve (Vsi) on steam inlet pipe 4 to match with the amount regulating and controlling steam a inlet and Halite water b, namely liquid level is higher than set(ting)value, increase and import quantity of steam, lower than set(ting)value, reduce and import quantity of steam, ensure that discharging water c saltiness is stabilized in close to saturation point; Simultaneously, partial concentration salt solution in partial vaporiser 1 turns back in water inlet pipe 5 by the power utilizing density difference to produce by return water pipe 10, and mix with water inlet b and then get back in vaporizer 1, form circulation loop, liquid in vaporizer 1 is made to be in recurrent state, character is consistent everywhere to guarantee in vaporizer 1 liquid, prevents liquid to saltout fouling, and can regulate steam output.
Higher superheating temperature steam a forms saturation steam d after absorbing the moisture that Halite water b evaporates, saturation steam d is when discharging by steam outlet pipe 8, by the vapour liquid separator 9 being positioned at steam outlet pipe 8, the liquid water wherein carried secretly is removed, change by regulating corresponding control valve (Vss and Vr) according to steam outlet pipe 8 and one through boiler outlet superheat vapour line upward pressure meter (Ps and Pr), guarantee to be in steady state in vaporizer and the saturation steam d of generation is mixed with the part superheated vapour of boiler export, form almost salt-free low overheat steam injection steam injection pipe network.
Fig. 5 is specific embodiment: to the higher superheating temperature steam (a come from direct-flow gas injection boiler, total amount: 15t/h, temperature: 480 DEG C, pressure: 12MPa) and from vapour liquid separator come Halite water (b, total amount: 5t/h, temperature: 330 DEG C, pressure: 13MPa saltiness: 14000ppm) blending evaporation desalination be that embodiment is described in detail.
Regulate level control valve (Vs, manual adjustment during startup) on steam inlet pipe 4, the higher superheating temperature steam a of about 10t/h is passed in vaporizer, and make it at heat exchange flow deflector 3 eddy flows, form high-speed rotational vapor-gas phase district G with comparatively high gas velocity; Whole Halite water b is sprayed in vaporizer with the abundant blending of higher superheating temperature steam a and with its high-speed rotational in the G of gas phase zone with certain flow rate simultaneously.In flow process, part Halite water b and steam a heat exchange are evaporated gasification and are diffused into gas phase zone G, have salt to analyze simultaneously, the salinity of precipitation and do not evaporate Halite water and other solid-liquid foreign material and fall into vaporizer bottom and form Halite water liquid phase region L.
Liquid phase region G and gas phase zone L makes Halite water b continue to evaporate and gasify and become closely saturated concentrated salt solution (c by heat exchange flow deflector 3 heat exchange, saltiness is 250000ppm), according to the change of water shoot 7 line flow meter by two adjusting control valve Vw, high density salt solution c is discharged with the amount of 0.3t/h; Simultaneously, partial concentration salt solution in partial vaporiser 1 turns back in water inlet pipe 5 by the power utilizing density difference to produce by return water pipe 10, and mix with water inlet b and then get back in vaporizer 1, form circulation loop, liquid in vaporizer 1 is made to be in recurrent state, character is consistent everywhere to guarantee in vaporizer 1 liquid, prevents liquid to saltout fouling, and can regulate steam output.
Regulate control valve Vsi on admission pipeline 4 to regulate and control importing quantity of steam according to the change of liquid phase region L liquid level simultaneously, realize steam 3 and the amount rational Match of Halite water b, guarantee that liquid phase region L is highly basicly stable.
In the G of gas phase zone, higher superheating temperature steam a absorbs and evaporates gaseous state moisture from liquid phase region L and become saturation steam d, saturation steam d is when discharging by steam outlet pipe 8, by the vapour liquid separator 9 being positioned at steam outlet pipe 8, the liquid water wherein carried secretly is removed, according on steam injection main line and vaporizer steam outlet pipe line 8 upward pressure meter (Pr and Ps) change by regulating corresponding control valve (Vr and Vss) to make vapo(u)rization system in vaporizer be in steady state and the low overheat steam that the pressure making vapor mixing in saturation steam d and steam injection main line form 19.7t/h is 12MPa enters steam injection pipe network.
It will be recognized by those skilled in the art, under the prerequisite not departing from protection scope of the present invention, various amendment, change and combination can be carried out to above-mentioned embodiment, and think that this amendment, change and combination are within the scope of originality thought.
Claims (7)
1. a brackish water spherical spiral labyrinth vaporizer, comprises sphere body, it is characterized in that, in described ball, upper part is provided with dividing plate, is fixed with spiral heat exchange flow deflector under dividing plate, and dividing plate upper body sidewall is provided with water inlet pipe; Form spiral stream guidance road between spiral heat exchange flow deflector, honeycomb duct entrance is provided with steam inlet pipe, and the honeycomb duct top spacer of coiled coil has spout hole near admission pipe end along honeycomb duct direction of spiraling; Dividing plate center has through hole, on through hole, the steam outlet pipe of housing is stretched out in welding, the steam outlet pipe being positioned at enclosure interior at steam outlet pipe installs built-in vapour liquid separator, the bottom center of housing is provided with the water shoot stretched out downwards, water shoot upper end is positioned at middle and upper part, liquid phase region, be provided with return water pipe at housing bottom, return water pipe is connected with water inlet pipe simultaneously.
2. a kind of brackish water spherical spiral labyrinth as claimed in claim 1 vaporizer, it is characterized in that, certain altitude is respectively occupied up and down in spiral heat exchange flow deflector face of opening in the level of housing.
3. a kind of brackish water spherical spiral labyrinth as claimed in claim 1 vaporizer, it is characterized in that, look down from the top of housing, described passage coil direction is counterclockwise.
4. a kind of brackish water spherical spiral labyrinth as claimed in claim 1 vaporizer, is characterized in that, the spout hole that the honeycomb duct of coiled coil is offered, arranging close near steam inlet pipe place, is arranged thin away from steam inlet pipe place.
5. a kind of brackish water spherical spiral labyrinth as claimed in claim 1 vaporizer, it is characterized in that, hole is opened at dividing plate center, and on through hole, the steam outlet pipe of housing is stretched out in welding, and the steam outlet pipe being positioned at enclosure interior at steam outlet pipe installs built-in vapour liquid separator.
6. a kind of brackish water spherical spiral labyrinth as claimed in claim 1 vaporizer, it is characterized in that, base of evaporator is provided with water shoot, and water shoot upper end is positioned at top, liquid phase region.
7. a kind of brackish water spherical spiral labyrinth as claimed in claim 1 vaporizer, it is characterized in that, base of evaporator is provided with return water pipe, and return water pipe is connected with water inlet pipe.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114971A (en) * | 2015-09-11 | 2015-12-02 | 武汉凯比思电力设备有限公司 | Alkali recovery flue gas waste heat recovery system and method |
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- 2014-09-28 CN CN201420565609.9U patent/CN204434314U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114971A (en) * | 2015-09-11 | 2015-12-02 | 武汉凯比思电力设备有限公司 | Alkali recovery flue gas waste heat recovery system and method |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20170511 Address after: 834099 the Xinjiang Uygur Autonomous Region Karamay City Construction Road No. 21 Patentee after: Xinjiang Hong Sen Environmental Engineering Co., Ltd. Address before: 100101, No. 2, Airport East Road, Shunyi District business district, Beijing Patentee before: BEIJING HAMO ENERGY TECHNOLOGY CO., LTD. |
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| CP03 | Change of name, title or address | ||
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Address after: 21 Youjian South Road, Karamay, Xinjiang Uygur Autonomous Region 834000 Patentee after: Karamay Jiugong Environmental Protection Technology Co.,Ltd. Address before: No.21 Youjian South Road, Karamay City, Xinjiang Uygur Autonomous Region 834099 Patentee before: XINJIANG HONGSEN ENVIRONMENTAL ENGINEERING Co.,Ltd. |