CN203154852U - Horizontal flash tank and low temperature multi-effect distilled sea water desalination system - Google Patents
Horizontal flash tank and low temperature multi-effect distilled sea water desalination system Download PDFInfo
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- CN203154852U CN203154852U CN2013200210994U CN201320021099U CN203154852U CN 203154852 U CN203154852 U CN 203154852U CN 2013200210994 U CN2013200210994 U CN 2013200210994U CN 201320021099 U CN201320021099 U CN 201320021099U CN 203154852 U CN203154852 U CN 203154852U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
Abstract
The utility model relates to the technical field of sea water desalination, and in particular relates to a horizontal flash tank and a low temperature multi-effect distilled sea water desalination system, which aim at improving the flashing separating effect so as to improve the heat efficiency of the low temperature multi-effect distilled sea water desalination system. The horizontal flash tank comprises a tank body, a liquid inlet and a liquid outlet arranged at the bottom of the tank body, a horizontal flash platform arranged in the tank body, an inner extending tube communicated with the liquid inlet and being used for transferring liquid to the horizontal flash platform, and a steam outlet at the top of the tank body. According to the horizontal flash tank, liquid enters the horizontal flash tank for flashing through the liquid inlet and the inner extending tube, so that the flashing separating effect is improved. Therefore, with the low temperature multi-effect distilled sea water desalination system of the flash tank, the potential heat energy of the produced fresh water and the concentrated seawater is fully utilized, and further, the heat efficiency of the low temperature multi-effect distilled sea water desalination system is improved.
Description
Technical field
The utility model relates to field of sea water desalting technology, particularly a kind of horizontal flash tank and low temperature multiple-effect distillation seawater desalination system.
Background technology
The low temperature multiple-effect distillation sea water desalting technology refers to that the high evaporation temperature of seawater generally is lower than 70 ℃ desalination technology, it is characterized in that a series of evaporator series, with evaporation and the condensation of a certain amount of steam input by repeatedly, next one evaporating temperature of imitating all is lower than front one effect, thereby obtains being multiple times than the desalination process of the distilled water of quantity of steam.
In the existing low temperature multiple-effect distillation seawater desalination system, flash tank vertically arranges usually or is horizontally disposed with, high temperate zone pressure material enters flash tank by inlet along the tank body tangential direction, in the rotation of centrifugal action lower edge inner tank wall, when material pressure descended, the steam that flash separation goes out was discharged from tank body top, liquid is discharged from the tank body bottom, problems such as this structure flash tank exists vapor-liquid separation not thorough, and energy recovery is insufficient, this reduces the desalinization cost and is restricted.
The utility model content
The purpose of this utility model is to provide a kind of horizontal flash tank and low temperature multiple-effect distillation seawater desalination system, is used for improving the flash separation effect, and then improves the thermal efficiency of low temperature multiple-effect distillation seawater desalination system.
To achieve these goals, the utility model provides following technical scheme:
A kind of horizontal flash tank, comprise: tank body, be arranged at inlet and the liquid outlet of described tank base, be arranged at the horizontal flash distillation platform of described tank interior, be communicated with the inside extending tube that is used for carrying to described horizontal flash distillation platform liquid with described inlet, be arranged at the steam (vapor) outlet at described tank body top.
Preferably, above-mentioned flash tank also comprises: the instrument mouth that is arranged at described tank body top.
Further, above-mentioned flash tank also comprises: the bearing that is arranged at described top.
Further, above-mentioned flash tank also comprises: the sewage draining exit that is arranged at described tank base.
Preferably, described tank body comprises: tubular shell, two end sockets of fixedlying connected with the port of described tubular shell respectively.
Preferably, described tank body is fiberglass tank body, stainless steel tank body or antiseptic carbon steel tank body, aluminum alloy tank body, concrete tank body; Described horizontal flash distillation platform is fiberglass flash distillation platform, stainless steel flash distillation platform or antiseptic carbon steel flash distillation platform, aluminium alloy flash distillation platform, concrete flash distillation platform.
The utility model is also logical simultaneously to provide a kind of low temperature multiple-effect distillation seawater desalination system, comprising: the falling liquid film condenser that is communicated with the seawater feeding pipe;
The multi-effect evaporator of series connection, multi-effect evaporator one end of described series connection is communicated with described falling liquid film condenser steam inlet, the multi-effect evaporator other end of described series connection is communicated with the steam feed pipeline, and the evaporimeter that is communicated with the steam feed pipeline in the multi-effect evaporator of described series connection is first evaporator;
Be positioned at the multi-effect evaporator both sides of described series connection, two rows have the flash tank of above-mentioned technical characterictic, wherein, except first evaporator, every single-effect evaporator both sides arrange a concentrated seawater flash tank and a fresh water flash tank respectively, described concentrated seawater flash tank inlet is communicated with the outlet of corresponding evaporimeter concentrated seawater, and described concentrated seawater flash tank steam (vapor) outlet is communicated with the shell side of corresponding evaporimeter, and each described concentrated seawater flash tank passes through the concentrated seawater discharge pipe and connects; Described fresh water flash tank inlet is communicated with corresponding evaporimeter water outlet, and described fresh water flash tank steam (vapor) outlet is communicated with the shell side of corresponding evaporimeter, and each described fresh water flash tank passes through the fresh water discharge pipe and connects.
Further, above-mentioned low temperature multiple-effect distillation seawater desalination system also comprises:
The concentrated seawater surge tank that is communicated with described concentrated seawater discharge pipe;
The concentrated seawater heat exchanger that is communicated with described concentrated seawater surge tank liquid outlet, and described concentrated seawater heat exchanger is communicated with described seawater feeding pipe;
The fresh water surge tank that is communicated with described fresh water discharge pipe;
The fresh water heat exchanger that is communicated with described fresh water surge tank, and described fresh water heat exchanger is communicated with described seawater feeding pipe.
Preferably, the bearing of each fresh water flash tank is fixedly connected with the base crossbeam of corresponding evaporimeter, and except first top of imitating the fresh water flash tank with the bottom of first single-effect evaporator is concordant, all the other respectively imitate setting height(from bottom) steps reduction of fresh water flash tank; The bearing of each concentrated seawater flash tank is fixedly connected with the base crossbeam of corresponding evaporimeter, and except first top of imitating the concentrated seawater flash tank with the bottom of first single-effect evaporator is concordant, all the other respectively imitate setting height(from bottom) steps reduction of concentrated seawater flash tank.
Further, above-mentioned low temperature multiple-effect distillation seawater desalination system also comprises: the drip pipe road that is communicated with described first evaporator, be arranged at the condensed water heat exchanger on the described drip pipe, and described condensed water heat exchanger is communicated with described concentrated seawater surge tank liquid outlet, enters each described concentrated seawater flash tank flash distillation with concentrated seawater after the condensed water heat exchange.
Further, above-mentioned low temperature multiple-effect distillation seawater desalination system also comprises: be communicated with the forced condensation device for reducing the raw material seawater temperature with described falling liquid film condenser.
Preferably, settings that take the shape of the letter U of the concentrated seawater discharge pipe between every adjacent two concentrated seawater flash tanks is in the setting that takes the shape of the letter U of the every fresh water discharge pipe between adjacent two fresh water flash tanks.
In the utility model, flash tank is horizontal type structure, comprising: tank body, be arranged on the horizontal flash distillation platform in the tank body, and be arranged at inlet and the liquid outlet of tank base, be communicated with the inside extending tube that is used for to horizontal flash distillation platform feed flow with inlet.During use, liquid enters flash distillation on the horizontal flash distillation platform through inlet and inside extending tube, has improved the flash separation effect.Therefore, the low temperature multiple-effect distillation seawater desalination system of the flash tank that employing the utility model provides takes full advantage of the fresh water of generation and the potential heat energy of concentrated seawater, thereby improves the thermal efficiency of low temperature multiple-effect distillation seawater desalination system; In addition, inlet and liquid outlet do not communicate in the flash tank, have dwindled the difference in height between the flash tank, can in limited setting height(from bottom) scope more flash tank be set, thereby further improve the thermal efficiency of low temperature multiple-effect distillation seawater desalination system.
Description of drawings
The structural representation of the flash tank that Fig. 1 provides for the utility model embodiment;
The structural representation of the low temperature multiple-effect distillation seawater desalination system that Fig. 2 provides for the utility model embodiment;
Fig. 3 is concentrated seawater flash tank and fresh water flash tank setting height(from bottom) schematic diagram among Fig. 2;
Fig. 4 is the location diagram of evaporimeter and concentrated seawater flash tank and fresh water flash tank among Fig. 2.
Reference numeral:
1 ~ 8 is the fresh water flash tank, and 9 ~ 16 is the concentrated seawater flash tank, and 17 is the concentrated seawater surge tank,
18 is the fresh water surge tank, and 19 is the condensed water surge tank, and 20 is fresh water pump, and 21 is the concentrated seawater pump,
22 is condensate pump, and 23 is the fresh water heat exchanger, and 24 is the concentrated seawater heat exchanger,
25 is the condensed water heat exchanger, and 26～34 is 1～9 single-effect evaporator, and 35 is the falling liquid film condenser,
36 is the forced condensation device, and 37 is heat pump; 40 is tubular shell, and 41 is end socket, and 42 is bearing,
43 is horizontal flash distillation platform, and 44 is inlet, and 46 is liquid outlet, and 45 is inside extending tube,
47 is sewage draining exit, and 48 is steam (vapor) outlet, and 49 is the instrument mouth.
The specific embodiment
Problems such as existing flash tank exists gas-liquid separation not thorough, and energy recovery is insufficient, this reduces the desalinization cost and is restricted.
In view of this, the utility model provides a kind of horizontal flash tank, comprise: tank body, be arranged at inlet and the liquid outlet of described tank base, be arranged at the horizontal flash distillation platform of described tank interior, be communicated with the inside extending tube that is used for carrying to described horizontal flash distillation platform liquid with described inlet, be arranged at the steam (vapor) outlet at described tank body top.By changing the structure of flash tank, make liquid enter horizontal flash distillation platform and flash distillation on described horizontal flash distillation platform through inlet and inside extending tube, improved the flash separation effect.
In order to make those skilled in the art better understand the technical solution of the utility model, below in conjunction with Figure of description the utility model embodiment is described in detail.
As shown in Figure 1, the horizontal flash tank that the utility model embodiment provides comprises: tank body, be arranged at inlet 44 and the liquid outlet 46 of tank base, be arranged at the horizontal flash distillation platform 43 of tank interior, be communicated with the inside extending tube 45 that is used for carrying to horizontal flash distillation platform 43 liquid with inlet 44, be arranged at the steam (vapor) outlet 48 at tank body top.
Say in further detail, horizontal flash tank comprises: the tank body of horizontal positioned, be arranged on the horizontal flash distillation platform 43 in the tank body, in other words, horizontal flash distillation platform 43 is parallel with the tank body axis, and this horizontal flash distillation platform 43 has certain height with tank base, and communicates with inlet 44 by inside extending tube 45.During use, liquid enters horizontal flash distillation platform and flash distillation on horizontal flash distillation platform 43 through inlet 44 and inside extending tube, thereby has improved the flash separation effect.In addition, when multistage flash evaporation, because inlet in the flash tank 44 and liquid outlet 45 do not communicate, abolished the linker effect between the flash tank, dwindled the difference in height between the flash tank, can in limited setting height(from bottom) scope, more flash tank be set.
For the ease of observing physical parameter in the tank body, preferably, above-mentioned flash tank also comprises: the instrument mouth 49 that is arranged at the tank body top; In this instrument mouth 49 thermometer, liquid level gauge or vacuum meter etc. can be set.
For the ease of fixedlying connected with evaporimeter, further, above-mentioned flash tank also comprises: the bearing 42 that is arranged at the top; During use, the bearing 42 of flash tank is fixedlyed connected with evaporimeter.
In order to discharge the dirt in the tank body, further, above-mentioned flash tank also comprises: the sewage draining exit 47 that is arranged at tank base.The dirt that enters in the interior concentrated seawater of tank body is discharged flash tanks by sewage draining exit 47.
Preferably, above-mentioned tank body comprises: tubular shell 40, two end sockets 41 of fixedlying connected with the port of tubular shell 40 respectively.In other words, tank body comprises: tubular shell 40 is fixedly mounted on the end socket 41 at tubular shell 40 two ends.Wherein, end socket 41 has flange, is fixed on the tubular shell 40, that is to say, tubular shell 40 and end socket 41 are fixedlyed connected with form of flanges, certainly, also can adopt the mode of welding that end socket 41 is fixed on the tubular shell 40.
What deserves to be mentioned is that above-mentioned horizontal flash distillation platform can be integral structure with tubular shell 40, in addition, preferably, above-mentioned tank body is fiberglass tank body, stainless steel tank body or antiseptic carbon steel tank body, aluminum alloy tank body, concrete tank body; Above-mentioned horizontal flash distillation platform is fiberglass flash distillation platform, stainless steel flash distillation platform or antiseptic carbon steel flash distillation platform, aluminium alloy flash distillation platform, concrete flash distillation platform.
As shown in Figure 2, the utility model embodiment also provides a kind of low temperature multiple-effect distillation seawater desalination system, comprising:
The falling liquid film condenser 35 that is communicated with the seawater feeding pipe;
The multi-effect evaporator of series connection, multi-effect evaporator one end of series connection is communicated with falling liquid film condenser 35 steam inlets, the multi-effect evaporator other end of series connection is communicated with the steam feed pipeline, and the evaporimeter that is communicated with the steam feed pipeline in the multi-effect evaporator of series connection is first evaporator;
Be positioned at the multi-effect evaporator both sides of series connection, two rows have the horizontal flash tank of above-mentioned technical characterictic, wherein, except first evaporator, every single-effect evaporator both sides arrange a concentrated seawater flash tank and a fresh water flash tank respectively, concentrated seawater flash tank inlet is communicated with the outlet of corresponding evaporimeter concentrated seawater, and concentrated seawater flash tank steam (vapor) outlet is communicated with the shell side of corresponding evaporimeter, and each concentrated seawater flash tank passes through the concentrated seawater discharge pipe and connects; Fresh water flash tank inlet is communicated with corresponding evaporimeter water outlet, and fresh water flash tank steam (vapor) outlet is communicated with the shell side of corresponding evaporimeter, and each fresh water flash tank passes through the fresh water discharge pipe and connects.
In the present embodiment, low temperature multiple-effect distillation seawater desalination system comprises: Chuan Lian evaporimeter 26, evaporimeter 27, evaporimeter 28, evaporimeter 29, evaporimeter 30, evaporimeter 31, evaporimeter 32, evaporimeter 33 and evaporimeter 34 successively are positioned at row's concentrated seawater flash tank and row's fresh water flash tank of above-mentioned multiple-effect cascade evaporation device both sides.Say in further detail, evaporimeter 26 is first evaporator, it also is first single-effect evaporator, all the other each single-effect evaporators are second single-effect evaporator, third effect evaporator in turn ... the 9th single-effect evaporator, concentrated seawater flash tank 9 is the first effect concentrated seawater flash tank, all the other concentrated seawater flash tanks are the second effect concentrated seawater flash tank in turn ... the 8th imitates the concentrated seawater flash tank, and fresh water flash tank 1 is the first effect fresh water flash tank, and all the other each effects are the second effect fresh water flash tank ... the 8th imitates the fresh water flash tank; Be positioned at first of evaporimeter 27 both sides and imitate concentrated seawater flash tank 9 and the first effect fresh water flash tank 1, be positioned at second of evaporimeter 28 both sides and imitate concentrated seawater flash tank 10 and the second effect fresh water flash tank 2, be positioned at triple effect concentrated seawater flash tank 11 and the triple effect fresh water flash tank 3 of evaporimeter 29 both sides, be positioned at quadruple effect concentrated seawater flash tank 12 and the quadruple effect fresh water flash tank 4 of evaporimeter 30 both sides, the invalid concentrated seawater flash tank 13 and the 5th that is positioned at evaporimeter 31 both sides is imitated fresh water flash tank 5, be positioned at the 6th of evaporimeter 32 both sides and imitate concentrated seawater flash tank 14 and the 6th effect fresh water flash tank 6, be positioned at the 7th of evaporimeter 33 both sides and imitate concentrated seawater flash tank 15 and the 7th effect fresh water flash tank 7, be positioned at the 8th of evaporimeter 34 both sides and imitate concentrated seawater flash tank 16 and the first effect fresh water flash tank 8.The concentrated seawater of first single-effect evaporator 26 is discharged to first of second single-effect evaporator, 27 correspondences and imitates concentrated seawater flash tank 9, first imitates concentrated seawater flash tank 9 has jet chimney to link to each other with the shell side of second single-effect evaporator 27, because the temperature, pressure of first single-effect evaporator, 26 shell sides is higher than the shell side of second single-effect evaporator 27, concentrated seawater will be imitated first flash distillation will be taken place in the concentrated seawater flash tank 9, the indirect steam that flash distillation is come out enters the shell side of second single-effect evaporator 27, as the heating steam of third effect evaporator 28.The concentrated seawater of second single-effect evaporator 27 and the first concentrated seawater water outlet of imitating concentrated seawater flash tank 9 converge, and enter the concentrated seawater flash tank 10 that next imitates the single-effect evaporator correspondence; Identical therewith, concentrated seawater is imitated the concentrated seawater flash tank successively by each, and the indirect steam of generation enters each single-effect evaporator.Similar in this, the fresh water of second single-effect evaporator 26 is discharged to first of the second single-effect evaporator correspondence and imitates fresh water flash tank 1, fresh water water flash tank 1 has jet chimney to link to each other with the shell side of second single-effect evaporator 27, because the temperature, pressure of first single-effect evaporator, 26 shell sides is higher than the shell side of second single-effect evaporator 27, flash distillation will take place in fresh water in fresh water flash tank 1, the indirect steam that flash distillation is come out enters the shell side of second single-effect evaporator 27, as the heating steam of third effect evaporator 28.The fresh water water outlet of the fresh water of second single-effect evaporator 27 and fresh water flash tank 1 converges, and enters next and imitates fresh water flash tank 2; Identical therewith, fresh water water is imitated the fresh water flash tank successively by each, and the indirect steam of generation enters each single-effect evaporator.
What deserves to be mentioned is that the volume of above-mentioned concentrated seawater flash tank is imitated concentrated seawater flash tank to the eight effect concentrated seawater flash tanks from first and increased gradually; Equally, the volume of above-mentioned fresh water flash tank is imitated fresh water flash tank to the eight from first and is imitated the fresh water flash tanks and increase gradually.
From technique scheme as can be known, in the low temperature multiple-effect distillation seawater desalination system that the utility model embodiment provides, adopt multistage flash evaporation and two kinds of technology combinations of multi-effect distilling, take full advantage of the fresh water of generation and the potential heat energy of concentrated seawater, improved the thermal efficiency of low temperature multiple-effect distillation seawater desalination system, and then improved the seawater enrichment factor, reduce the desalinization water producing cost.
Continuation is referring to Fig. 2, in order further to improve the thermal efficiency of low temperature multiple-effect distillation seawater desalination system, take full advantage of the fresh water of generation and the potential heat energy of concentrated seawater, above-mentioned low temperature multiple-effect distillation seawater desalination system also comprises: the concentrated seawater surge tank 17 that is communicated with the concentrated seawater discharge pipe; The concentrated seawater heat exchanger 24 that is communicated with concentrated seawater surge tank 17 liquid outlets, and concentrated seawater heat exchanger 24 is communicated with the seawater feeding pipe; The fresh water surge tank 18 that is communicated with the fresh water discharge pipe; The fresh water heat exchanger 23 that is communicated with fresh water surge tank 18, and fresh water heat exchanger 23 is communicated with the seawater feeding pipe; Preferably, above-mentioned low temperature multiple-effect distillation seawater desalination system also comprises: be arranged at the concentrated seawater pump 21 on the concentrated seawater discharge pipe between concentrated seawater surge tank 17 and the concentrated seawater heat exchanger 24, be arranged at the condensate pump 22 on the drip pipe road between condensed water surge tank 19 and the condensed water heat exchanger 25, be arranged at the fresh water pump 20 on the fresh water discharge pipe between fresh water surge tank 18 and the fresh water heat exchanger 23, these pumps are used for promoting the water level in the corresponding surge tank.
As shown in Figure 3, Figure 4, preferably, the bearing of each fresh water flash tank is fixedly connected with the base crossbeam of corresponding evaporimeter, and except first top of imitating fresh water flash tank 1 with the bottom of first single-effect evaporator 26 is concordant, all the other respectively imitate setting height(from bottom) steps reduction of fresh water flash tank; The bearing of each concentrated seawater flash tank is fixedly connected with the base crossbeam of corresponding evaporimeter, and except first top of imitating concentrated seawater flash tank 9 with the bottom of first single-effect evaporator 26 is concordant, all the other respectively imitate setting height(from bottom) steps reduction of concentrated seawater flash tank.Say that in further detail the arranging of above-mentioned flash tank will make on the one hand first, and to imitate flash tank tank deck height identical with the bottom level of first single-effect evaporator 26, guarantee the surge tank jar on the other hand at the bottom of height do not cause corresponding cavitation (in; During concrete enforcement, first setting height(from bottom) of imitating fresh water flash tank 1 at first is set equates with first single-effect evaporator, 26 bottom level, next setting height(from bottom) that fresh water surge tank 18 is set is lower than the setting height(from bottom) of the 8th effect fresh water flash tank 8, and makes not cavitation of fresh water pump 20; According to the pressure differential between adjacent single-effect evaporator, the liquid level of keeping certain height in the flash tank, step decline arranges remaining flash tank gradually; It is identical that concentrated seawater surge tank 17 setting height(from bottom)s and fresh water surge tank 18 arrange principle, and preferably, concentrated seawater surge tank 17 setting height(from bottom)s are identical with fresh water surge tank 18 setting height(from bottom)s.
In order to take full advantage of the potential heat energy of condensed water, preferably, above-mentioned low temperature multiple-effect distillation seawater desalination system also comprises: the drip pipe road that is communicated with first evaporator, be arranged at the condensed water heat exchanger 25 on the drip pipe, and condensed water heat exchanger 25 is communicated with concentrated seawater surge tank 17 liquid outlets, enters each described concentrated seawater flash tank flash distillation with concentrated seawater after the condensed water heat exchange.In the present embodiment, with the condensed water heat exchange after concentrated seawater enter in the quintuple effect evaporator 30 corresponding concentrated seawater flash tanks 12 further flash distillation.
Further, above-mentioned low temperature multiple-effect distillation seawater desalination system also comprises: be communicated with the forced condensation device 36 for reducing the raw material seawater temperature with falling liquid film condenser 35; Too high or enter vapor (steam) temperature in the falling liquid film condenser 35 when too high when ocean temperature, can lower the temperature by 36 pairs of seawater of forced condensation device, so that the seawater that enters in the low temperature multiple-effect distillation seawater desalination system meets the demands.
In order to destroy the linker effect between flash tank, preferably, settings that take the shape of the letter U of the concentrated seawater discharge pipe between every adjacent two concentrated seawater flash tanks is in the setting that takes the shape of the letter U of the every fresh water discharge pipe between adjacent two fresh water flash tanks.
In sum, in the utility model, flash tank is horizontal type structure, comprising: tank body, be arranged on the horizontal flash distillation platform in the tank body, and be arranged at inlet and the liquid outlet of tank base, be communicated with the inside extending tube that is used for to horizontal flash distillation platform feed flow with inlet.During use, liquid enters flash distillation on the horizontal flash distillation platform through inlet and inside extending tube, has improved the flash separation effect.Therefore, the low temperature multiple-effect distillation seawater desalination system of the flash tank that employing the utility model provides takes full advantage of the fresh water of generation and the potential heat energy of concentrated seawater, thereby improves the thermal efficiency of low temperature multiple-effect distillation seawater desalination system; In addition, inlet and liquid outlet do not communicate in the flash tank, have dwindled the difference in height between the flash tank, can in limited setting height(from bottom) scope more flash tank be set, thereby further improve the thermal efficiency of low temperature multiple-effect distillation seawater desalination system.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (12)
1. horizontal flash tank, it is characterized in that, comprise: tank body, be arranged at inlet and the liquid outlet of described tank base, be arranged at the horizontal flash distillation platform of described tank interior, be communicated with the inside extending tube that is used for carrying to described horizontal flash distillation platform liquid with described inlet, be arranged at the steam (vapor) outlet at described tank body top.
2. horizontal flash tank as claimed in claim 1 is characterized in that, also comprises: the instrument mouth that is arranged at described tank body top.
3. horizontal flash tank as claimed in claim 1 is characterized in that, also comprises: the bearing that is arranged at described tank body top.
4. horizontal flash tank as claimed in claim 1 is characterized in that, also comprises: the sewage draining exit that is arranged at described tank base.
5. as the arbitrary described horizontal flash tank of claim 1-4, it is characterized in that described tank body comprises: tubular shell, two end sockets of fixedlying connected with the port of described tubular shell respectively.
6. horizontal flash tank as claimed in claim 5 is characterized in that, described tank body is fiberglass tank body, stainless steel tank body or antiseptic carbon steel tank body, aluminum alloy tank body, concrete tank body; Described horizontal flash distillation platform is fiberglass flash distillation platform, stainless steel flash distillation platform or antiseptic carbon steel flash distillation platform, aluminium alloy flash distillation platform, concrete flash distillation platform.
7. a low temperature multiple-effect distillation seawater desalination system is characterized in that, comprising:
The falling liquid film condenser that is communicated with the seawater feeding pipe;
The multi-effect evaporator of series connection, multi-effect evaporator one end of described series connection is communicated with described falling liquid film condenser steam inlet, the multi-effect evaporator other end of described series connection is communicated with the steam feed pipeline, and the evaporimeter that is communicated with the steam feed pipeline in the multi-effect evaporator of described series connection is first evaporator;
Be positioned at the multi-effect evaporator both sides of described series connection, two rows are as the arbitrary described horizontal flash tank of claim 1-6, wherein, except first evaporator, every single-effect evaporator both sides arrange a concentrated seawater flash tank and a fresh water flash tank respectively, described concentrated seawater flash tank inlet is communicated with the outlet of corresponding evaporimeter concentrated seawater, and described concentrated seawater flash tank steam (vapor) outlet is communicated with the shell side of corresponding evaporimeter, and each described concentrated seawater flash tank passes through the concentrated seawater discharge pipe and connects; Described fresh water flash tank inlet is communicated with corresponding evaporimeter water outlet, and described fresh water flash tank steam (vapor) outlet is communicated with the shell side of corresponding evaporimeter, and each described fresh water flash tank passes through the fresh water discharge pipe and connects.
8. low temperature multiple-effect distillation seawater desalination system as claimed in claim 7 is characterized in that, also comprises:
The concentrated seawater surge tank that is communicated with described concentrated seawater discharge pipe;
The concentrated seawater heat exchanger that is communicated with described concentrated seawater surge tank liquid outlet, and described concentrated seawater heat exchanger is communicated with described seawater feeding pipe;
The fresh water surge tank that is communicated with described fresh water discharge pipe;
The fresh water heat exchanger that is communicated with described fresh water surge tank, and described fresh water heat exchanger is communicated with described seawater feeding pipe.
9. low temperature multiple-effect distillation seawater desalination system as claimed in claim 8, it is characterized in that, the bearing of each fresh water flash tank is fixedly connected with the base crossbeam of corresponding evaporimeter, and except first top of imitating the fresh water flash tank with the bottom of first single-effect evaporator is concordant, all the other respectively imitate setting height(from bottom) steps reduction of fresh water flash tank; The bearing of each concentrated seawater flash tank is fixedly connected with the base crossbeam of corresponding evaporimeter, and except first top of imitating the concentrated seawater flash tank with the bottom of first single-effect evaporator is concordant, all the other respectively imitate setting height(from bottom) steps reduction of concentrated seawater flash tank.
10. low temperature multiple-effect distillation seawater desalination system as claimed in claim 8, it is characterized in that, also comprise: the drip pipe road that is communicated with described first evaporator, be arranged at the condensed water heat exchanger on the described drip pipe, and described condensed water heat exchanger is communicated with described concentrated seawater surge tank liquid outlet, enters each described concentrated seawater flash tank flash distillation with concentrated seawater after the condensed water heat exchange.
11. low temperature multiple-effect distillation seawater desalination system as claimed in claim 7 is characterized in that, also comprises: be communicated with the forced condensation device for reducing the raw material seawater temperature with described falling liquid film condenser.
12. as the arbitrary described low temperature multiple-effect distillation seawater desalination system of claim 7-11, it is characterized in that, settings that take the shape of the letter U of concentrated seawater discharge pipe between every adjacent two concentrated seawater flash tanks is in the setting that takes the shape of the letter U of the every fresh water discharge pipe between adjacent two fresh water flash tanks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200210994U CN203154852U (en) | 2013-01-15 | 2013-01-15 | Horizontal flash tank and low temperature multi-effect distilled sea water desalination system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200210994U CN203154852U (en) | 2013-01-15 | 2013-01-15 | Horizontal flash tank and low temperature multi-effect distilled sea water desalination system |
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| CN203154852U true CN203154852U (en) | 2013-08-28 |
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| CN2013200210994U Expired - Lifetime CN203154852U (en) | 2013-01-15 | 2013-01-15 | Horizontal flash tank and low temperature multi-effect distilled sea water desalination system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960715A (en) * | 2021-02-10 | 2021-06-15 | 高峰 | High-temperature sewage self-desalting multi-effect distillation equipment |
| CN113880172A (en) * | 2021-09-23 | 2022-01-04 | 华电水务工程有限公司 | Low-temperature multi-effect evaporation seawater desalination energy utilization system and method |
-
2013
- 2013-01-15 CN CN2013200210994U patent/CN203154852U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960715A (en) * | 2021-02-10 | 2021-06-15 | 高峰 | High-temperature sewage self-desalting multi-effect distillation equipment |
| CN113880172A (en) * | 2021-09-23 | 2022-01-04 | 华电水务工程有限公司 | Low-temperature multi-effect evaporation seawater desalination energy utilization system and method |
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