CN103073141A - Low-temperature multi-effect distilled seawater desalination system with variable effect groups - Google Patents
Low-temperature multi-effect distilled seawater desalination system with variable effect groups Download PDFInfo
- Publication number
- CN103073141A CN103073141A CN2013100099900A CN201310009990A CN103073141A CN 103073141 A CN103073141 A CN 103073141A CN 2013100099900 A CN2013100099900 A CN 2013100099900A CN 201310009990 A CN201310009990 A CN 201310009990A CN 103073141 A CN103073141 A CN 103073141A
- Authority
- CN
- China
- Prior art keywords
- seawater
- vaporizer
- communicated
- group
- effect
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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 invention relates to the technical field of seawater desalination, in particular to a low-temperature multi-effect distilled seawater desalination system with variable effect groups, which is used for improving the adaptability of the low-temperature multi-effect distilled seawater desalination system. The invention discloses the low-temperature multi-effect distilled seawater desalination system with variable effect groups, which comprises a condenser and various-effect evaporators that are connected in series sequentially, a steam pipeline used for connecting a raw material seawater source, a raw material steam source, various-effect evaporators with the condenser, a seawater feeding pipeline, a concentrated seawater discharging pipeline, a product water discharging pipeline, a concentrated seawater conveying pipeline, a concentrated seawater return pipeline and a concentrated seawater pipeline as well as control valves arranged on the pipelines.
Description
Technical field
The present invention relates to field of sea water desalting technology, specially refer to a kind of low temperature multiple-effect distillation seawater desalination system of variable effect group.
Background technology
The high evaporation temperature that the low temperature multiple-effect distillation sea water desalting technology typically refers to seawater is lower than 70 ℃ desalination techniques, low temperature multiple-effect distillation seawater desalination system is that a series of evaporator series is got up to form different evaporation groups, be input in the vaporizer of series connection with a certain amount of steam and seawater, in vaporizer, steam and seawater carry out heat exchange, make seawater evaporation and condensation repeatedly, thereby obtain being multiple times than the desalination process of the distilled water of quantity of steam.The low temperature multiple-effect distillation sea water system that adopts at present can be divided into by flow process: following current, adverse current and advection flow process.Seawater adds from the high temperature effect, passes through successively each effect, and concentrated seawater is the following current flow process from the discharge of lowest temperature effect; Seawater is imitated from low temperature and is added, and each effect is crossed in reverse flow, and concentrated seawater is countercurrent flow from the discharge of high temperature effect; Seawater adds from each effect respectively, and concentrated seawater is the advection flow process from this effect discharge.
The defective that prior art exists is, existing low temperature multiple-effect distillation seawater desalination system is after assembling, evaporation group number is fixing can not to be changed, the needs that can't adapt to different brine disposal, when the number of evaporation group need to change, can only reconstruct new low temperature multiple-effect distillation seawater desalination system, adaptability is lower.
Summary of the invention
The object of the present invention is to provide a kind of low temperature multiple-effect distillation seawater desalination system of variable effect group, in order to improve the adaptability of low temperature multiple-effect distillation seawater desalination system.
To achieve these goals, the invention provides following technical scheme:
A kind of low temperature multiple-effect distillation seawater desalination system of variable effect group comprises:
The condenser that is communicated with the raw material seawater source;
The steam-pipe that is communicated with the raw material vapour source, and be arranged on heat pump on the described steam-pipe;
The evaporation group of at least two series connection, described each evaporation group comprise the vaporizer of at least two effect series connection, and wherein, the evaporation group that is communicated with the inlet mouth of described condenser is tail evaporation group, with evaporation group headed by the evaporation group that described steam-pipe is communicated with; The vaporizer that is communicated with adjacent evaporation group in the described first evaporation group is last evaporator;
Imitate the charging seawater pipeline that described vaporizer seawater water inlet and described condenser seawater water outlet are communicated with each respectively, and be arranged on the described charging seawater pipeline and the control valve corresponding with described each evaporation group and every 1st effective evaporator seawater water inlet respectively;
Imitate the product water discharge tube that described vaporizer product water water outlet and described condenser product water water outlet are communicated with each respectively;
The concentrated seawater discharge tube that is communicated with described last evaporator seawater water outlet;
Respectively with each effect evaporation group except head evaporation group in the seawater water outlet of each vaporizer and the concentrated seawater transport pipe that the charging seawater pipeline is communicated with, and be arranged on control valve on the described concentrated seawater transport pipe of each bar;
The concentrated seawater reflux line that is communicated with seawater water outlet and the described charging seawater pipeline of described last evaporator, and be arranged on control valve on the described concentrated seawater reflux line;
The concentrated seawater pipeline that is communicated with described each bar concentrated seawater transport pipe and described concentrated seawater reflux line, and be arranged on control valve on the described concentrated seawater pipeline of each bar.
Preferably, the low temperature multiple-effect distillation seawater desalination system of described variable effect group also comprises: be communicated with described condenser air outlet, be used for the raw material seawater that enters described condenser is carried out degassed vacuum extractor.
Preferably, described vaporizer is tube and shell heat exchanger.
Preferably, described heat pump is the thermo compression injector.
Preferably, the air outlet of the vaporizer that also is communicated with described condenser of described heat pump is communicated with.
Preferably, the low temperature multiple-effect distillation seawater desalination system of described variable effect group also comprises: the Mare Frigoris water discharge spout road that is communicated with described condenser seawater water outlet and described charging seawater pipeline.
Preferably, the low temperature multiple-effect distillation seawater desalination system of described variable effect group also comprises: be arranged on the middle charge pump on the described concentrated seawater transport pipe of each bar;
Be arranged on the concentrated seawater pump on the described concentrated seawater discharge tube;
Be arranged on the product water pump on the described product water discharge tube;
Be arranged on the sea-water pump of the seawater water inlet of described condenser;
Be arranged on the pan feeding sea-water pump on the described charging seawater pipeline;
Be arranged on the cooling sea water pump on the described Mare Frigoris water discharge spout road.
Better, except with vaporizer that described condenser is communicated with, the all corresponding fresh water flash tank of every 1st effective evaporator, each described fresh water flash tank water-in is communicated with the product water outlet of corresponding vaporizer, and each fresh water flash tank is by described product water discharge tube series connection.
Better, except head evaporation group, each vaporizer of each effect evaporation group is corresponding concentrated seawater flash tank respectively, and the air outlet of described concentrated seawater flash tank is communicated with the air outlet of corresponding vaporizer respectively, and described concentrated seawater flash tank is by described concentrated seawater discharge tube series connection.
The low temperature multiple-effect distillation seawater desalination system of variable effect group provided by the invention, comprise: the condenser of connecting successively and each single-effect evaporator, steam-pipe, charging seawater pipeline, concentrated seawater discharge tube, product water discharge tube, concentrated seawater transport pipe, concentrated seawater reflux line and concentrated seawater pipeline that raw material seawater source, raw material vapour source, each single-effect evaporator and condenser are coupled together, and be arranged on control valve on each pipeline.In use, circulate with different circulation styles by opening and closing the control valve on each pipeline, make the seawater that enters into each single-effect evaporator, realized the change of the evaporation group number of low temperature multiple-effect distillation seawater desalination system when processing seawater.Therefore, the low temperature multiple-effect distillation seawater desalination system of variable effect group provided by the invention can adapt to the needs of different treatment seawater, has improved the adaptability of low temperature multiple-effect distillation seawater desalination system.
Description of drawings
Fig. 1 is; The structural representation of the low temperature multiple-effect distillation seawater desalination system of the variable effect group of the embodiment of the invention;
Fig. 2 is the equivalent schematic that the low temperature multiple-effect distillation seawater desalination system of the variable effect group of the present invention adopts four evaporation groups;
Fig. 3 is the equivalent schematic that the low temperature multiple-effect distillation seawater desalination system of the variable effect group of the present invention adopts three evaporation groups;
Fig. 4 is the equivalent schematic that the low temperature multiple-effect distillation seawater desalination system of the variable effect group of the present invention adopts two evaporation groups.
Reference numeral:
1 ~ 8: vaporizer; 9: condenser; 10 ~ 16: the fresh water flash tank;
17 ~ 22: the concentrated seawater flash tank; 23: heat pump; 24: cooling sea water pump;
25: sea-water pump; 26: the product water pump; 27: the concentrated seawater pump;
28: the pan feeding sea-water pump; 29 ~ 31: middle charge pump; 32 ~ 48: control valve;
49: steam-pipe; 50: Mare Frigoris water discharge spout road; 51: the raw material seawater source;
52: the product water discharge tube; 53: the concentrated seawater discharge tube; 54: the charging seawater pipeline;
55: the concentrated seawater reflux line; 56: the concentrated seawater transport pipe; 57: the concentrated seawater pipeline.
Embodiment
The evaporation group effect group of the low temperature multiple-effect distillation seawater desalination system of existing employing is fixed, after assembling, just can only adopt low temperature multiple-effect distillation seawater desalination system fixing evaporation group that seawater is processed, can not change the evaporation group of processing seawater, the scope of application is smaller.
In view of this, the invention provides a kind of improved technical scheme, connecting pipe by in low temperature multiple-effect distillation seawater desalination system, increasing each single-effect evaporator and at connecting pipe corresponding control valve is set and controls between each single-effect evaporator and the different connections of each single-effect evaporator and charging seawater pipeline, thereby realize that low temperature multiple-effect distillation seawater desalination system can adopt the evaporation group of different numbers that seawater is processed as required after assembling, enlarged the scope of application of low temperature multiple-effect distillation seawater desalination system.
In order to make those skilled in the art better understand technical scheme of the present invention, below in conjunction with Figure of description the embodiment of the invention is described in detail.
As shown in Figure 1, the embodiment of the invention provides a kind of low temperature multiple-effect distillation seawater desalination system of variable effect group, comprising:
The condenser 9 that is communicated with raw material seawater source 51;
The steam-pipe 49 that is communicated with the raw material vapour source, and be arranged on heat pump 23 on the described steam-pipe 49;
The evaporation group of at least two series connection, described each evaporation group comprise the vaporizer of at least two effect series connection, and wherein, the evaporation group that is communicated with the inlet mouth of described condenser 9 is tail evaporation group, with evaporation group headed by the evaporation group that described steam-pipe 49 is communicated with; The vaporizer that is communicated with adjacent evaporation group in the described first evaporation group is last evaporator;
Imitate the charging seawater pipeline 54 that described vaporizer seawater water inlet and described condenser 9 seawater water outlets are communicated with each respectively, and be arranged on the described charging seawater pipeline 54 and the control valve corresponding with described each evaporation group and every 1st effective evaporator seawater water inlet respectively;
Imitate the product water discharge tube 52 that described vaporizer product water water outlet and described condenser 9 product water water outlets are communicated with each respectively;
The concentrated seawater discharge tube 53 that is communicated with described last evaporator seawater water outlet;
Respectively with each effect evaporation group except head evaporation group in the seawater water outlet of each vaporizer and the concentrated seawater transport pipe 56 that charging seawater pipeline 54 is communicated with, and be arranged on control valve on the described concentrated seawater transport pipe 56 of each bar;
The concentrated seawater reflux line 55 that is communicated with seawater water outlet and the described charging seawater pipeline 54 of described last evaporator, and be arranged on control valve on the described concentrated seawater reflux line 55;
The concentrated seawater pipeline 57 that is communicated with described each bar concentrated seawater transport pipe 56 and described concentrated seawater reflux line 55, and be arranged on control valve on the described concentrated seawater pipeline 57 of each bar.
The low temperature multiple-effect distillation seawater desalination system of variable effect group provided by the invention can adopt according to the concrete condition of production evaporation group of different effect groups to process seawater, and concrete working process is as follows:
At first, raw material seawater enters preheating in the condenser 9, and the raw material seawater part after the preheating enters in each single-effect evaporator.The unwanted raw material seawater of another part vaporizer is by Mare Frigoris water discharge spout road 50 discharge systems.
Raw material steam through enter behind the heat pump 23 in the first evaporation group with vaporizer that steam-pipe 49 is communicated with in, carry out heat exchange with the raw material seawater in this vaporizer, raw material vapor condensation after the heat exchange becomes product water, product water water outlet by this vaporizer is discharged in the product water discharge tube 52, raw material seawater in this vaporizer forms secondary steam after heat exchange, secondary steam is full of each single-effect evaporator successively, and carry out heat exchange with seawater in each single-effect evaporator, the product water water outlet of the product water that forms after the secondary steam heat exchange by each single-effect evaporator is pooled to the interior discharge of product water discharge tube 52 system, secondary steam part in the tail evaporation group in the last evaporator enters into condenser 9 and is used for raw material seawater is carried out preheating, and the product water that forms after the secondary steam condensation enters in the product water discharge tube 52; Another part enters into steam-pipe 49, with again carry out heat exchange with seawater after the raw material vapor mixing, entering into successively each evaporation group by connecting pipe after raw material seawater is concentrated in tail evaporation group further concentrates, seawater part after concentrated by the last evaporator in the first evaporation group enters into the interior discharge of concentrated seawater discharge tube 53 system, a part enters in the charging seawater pipeline 54 by concentrated seawater reflux line 55 mixes with raw material seawater, again enters after the mixing and respectively imitates in the evaporation group.
The low temperature multiple-effect distillation seawater desalination system of the variable effect group that the embodiment of the invention provides, when seawater being desalinated processing, be arranged on the evaporation group that control valve on charging seawater pipeline 54, concentrated seawater transport pipe 56, concentrated seawater reflux line 55, the concentrated seawater pipeline 57 can form each single-effect evaporator different numbers by control, seawater is processed in each single-effect evaporator with different circulation styles, as: open control valve 32,33,34,35,36,37,38,39, close all the other control valves, then each single-effect evaporator in the system forms four evaporation groups; Open control valve 32,33,34,35,36,37,38,39,42,45, close all the other control valves, then each single-effect evaporator in the system forms three evaporation groups; Open control valve 32,33,34,35,36,37,38,39,42,40,45, close all the other control valves, then each single-effect evaporator in the system forms two evaporation groups.Therefore, the low temperature multiple-effect distillation seawater desalination system of the variable effect group that the embodiment of the invention provides can adapt to different number evaporation groups and process the seawater situation, has improved the conformability of low temperature multiple-effect distillation seawater desalination system.
The below is take eight single-effect evaporators as example, the low temperature multiple-effect distillation seawater desalination system of the variable effect group that the embodiment of the invention of further explaining provides.
Continuation is referring to Fig. 1, the low temperature multiple-effect distillation seawater desalination system of variable effect group comprises: vaporizer 1, vaporizer 2, vaporizer 3, vaporizer 4, vaporizer 5, vaporizer 6, vaporizer 7, the vaporizer 8 of connecting successively, preferably, described vaporizer is tube and shell heat exchanger; The condenser 9 that is communicated with raw material seawater source 51, the steam-pipe 49 that is communicated with vaporizer 1 and raw material vapour source, and be arranged on heat pump 23 on the steam-pipe 49, described heat pump 23 is the thermo compression injector, preferably, described heat pump 23 also is communicated with the air outlet of vaporizer 8, the concentrated seawater discharge tube 53 that is communicated with vaporizer 2 seawater water outlets, the concentrated seawater reflux line 55 that is communicated with vaporizer 2 seawater water outlets and charging seawater pipeline 54, the Mare Frigoris water discharge spout road 50 that is communicated with described condenser 9 seawater water outlets and described charging seawater pipeline 54.The product water discharge tube 52 that is communicated with each single-effect evaporator product water water outlet, respectively with the seawater water outlet vaporizer 5 of vaporizer 7, vaporizer 8, seawater water outlet, vaporizer 4, the seawater water outlet of vaporizer 3 and the concentrated seawater transport pipe 56 that charging seawater pipeline 54 is communicated with of vaporizer 6, with the concentrated seawater pipeline 57 of concentrated seawater transport pipe 56 and 55 connections of concentrated seawater reflux line; And be arranged on each control valve on concentrated seawater transport pipe 56, concentrated seawater reflux line 55, concentrated seawater pipeline 57 and the charging seawater pipeline 54.
The principle of work of the low temperature multiple-effect distillation seawater desalination system of variable effect group is as follows in above-described embodiment:
(1) four evaporation group
As shown in Figure 2, open control valve 32,33,34,35,36,37,38,39, close all the other control valves, then vaporizer 1 and vaporizer 2 form first evaporation group, vaporizer 3 and vaporizer 4 form the second evaporation group, vaporizer 5 and vaporizer 6 form the 3rd evaporation group, and vaporizer 7 and vaporizer 8 form the 4th evaporation group.
At first, raw material steam enters into the vaporizer 1 of first evaporation group;
Raw material seawater is passed through Mare Frigoris water discharge spout road 50 discharge systems by condenser 9 heating rear portions, parallel vaporizer 7 and the vaporizer 8 of entering into of another part, and be full of successively vaporizer 6, vaporizer 5, vaporizer 4, vaporizer 3, vaporizer 2, in the vaporizer 1, the raw material seawater that enters into vaporizer 1 with and the steam that is advanced into carry out heat exchange, vapor condensation after the heat exchange becomes product water, by product water discharge tube 52 discharge systems, raw material seawater is produced into secondary steam after heat exchange, the secondary steam that produces is full of the heat-exchanging tube bundle of all the other each vaporizers successively, after this, the raw material seawater and the secondary steam that enter in vaporizer 7 and the vaporizer 8 carry out heat exchange, seawater is further concentrated, secondary steam is condensed into product water after heat exchange, by product water discharge tube 52 discharge systems, seawater after concentrated enters in vaporizer 6 and the vaporizer 5 by concentrated seawater transport pipe 56, and again carry out heat exchange with secondary steam in vaporizer 5 and the vaporizer 6, the rest may be inferred, raw material seawater enters each evaporation group successively, and in each evaporation group, be concentrated, finally enter into the interior discharge of concentrated seawater discharge tube 53 system by the seawater after concentrated with vaporizer 2.
(2) three evaporation groups
As shown in Figure 3, open control valve 32,33,34,35,36,37,38,39,42,45, close all the other control valves, then vaporizer 1, vaporizer 2, vaporizer 3 and vaporizer 4 form first evaporation group, vaporizer 5 and vaporizer 6 form the second evaporation group, and vaporizer 7 and vaporizer 8 form tail evaporation group.
At first, raw material steam enters into the vaporizer 1 of first evaporation group;
Raw material seawater is passed through Mare Frigoris water discharge spout road 50 discharge systems by condenser 9 heating rear portions, parallel vaporizer 7 and the vaporizer 8 of entering into of another part, and be full of successively vaporizer 6, vaporizer 5, vaporizer 4, vaporizer 3, vaporizer 2, in the vaporizer 1, the raw material seawater that enters into vaporizer 1 with and the steam that is advanced into carry out heat exchange, vapor condensation after the heat exchange becomes product water, by product water discharge tube 52 discharge systems, raw material seawater becomes secondary steam in the heat exchange rear portion, and the secondary steam of generation is full of the heat-exchanging tube bundle of all the other each vaporizers successively.After this, parallel raw material seawater and the secondary steam that enters in vaporizer 7 and the vaporizer 8 carries out heat exchange, seawater is further concentrated, secondary steam is condensed into product water after heat exchange, by product water discharge tube 52 discharge systems, seawater after concentrated enters in vaporizer 6 and the vaporizer 5 by concentrated seawater transport pipe 56, and again carry out heat exchange with secondary steam in vaporizer 5 and the vaporizer 6, the rest may be inferred, raw material seawater enters each evaporation group successively, and in each evaporation group, be concentrated, finally enter into the interior discharge of concentrated seawater discharge tube 53 system by the seawater part after concentrated with vaporizer 2, another part is by concentrated seawater reflux line 55, concentrated seawater pipeline 57 and concentrated seawater transport pipe 56 again enter in the first evaporation group and concentrate.
(3) two evaporation groups
As shown in Figure 4, open control valve 32,33,34,35,36,37,38,39,42,40,45, close all the other control valves, vaporizer 1, vaporizer 2, vaporizer 3, vaporizer 4 form tail evaporation group, and vaporizer 5, vaporizer 6, vaporizer 7 and vaporizer 8 form first vaporizer.
At first, raw material steam enters into the vaporizer 1 of first evaporation group;
Raw material seawater is passed through Mare Frigoris water discharge spout road 50 discharge systems by condenser 9 heating rear portions, the parallel vaporizer 5 that enters into of another part, vaporizer 6, in vaporizer 7 and the vaporizer 8, afterwards by concentrated seawater transport pipe 56 and be advanced into vaporizer 1, vaporizer 2, in vaporizer 3 and the vaporizer 4, the raw material seawater that enters into vaporizer 1 with and the steam that is advanced into carry out heat exchange, vapor condensation after the heat exchange becomes product water, by product water discharge tube 52 discharge systems, raw material seawater becomes secondary steam in the heat exchange rear portion, and the secondary steam of generation is full of the heat-exchanging tube bundle of all the other each vaporizers successively.After this, the parallel vaporizer 5 that enters into, vaporizer 6, vaporizer 7, raw material seawater in the vaporizer 8 and the secondary steam in each single-effect evaporator carry out heat exchange, be condensed into product water and the product water water outlet by each single-effect evaporator after the secondary steam heat exchange and enter into the interior discharge of product water discharge tube 52 system, raw material seawater in vaporizer 7 and the vaporizer 8 is evaporated, enter in vaporizer 5 and the vaporizer 6 by concentrated seawater discharge tube 53 after concentrated, again be evaporated, concentrated, seawater after being further concentrated is by the concentrated seawater transport pipe 56 parallel vaporizers 1 that enter into, vaporizer 2, in vaporizer 3 and the vaporizer 4, after entering into seawater in vaporizer 3 and the vaporizer 4 and being further concentrated, again be concentrated by concentrated seawater transport pipe 56 parallel being transported in vaporizer 1 and the vaporizer 2, seawater part after finally concentrated by vaporizer 2 enters into the interior discharge of concentrated seawater discharge tube 53 system, another part enters in the charging seawater pipeline 54 by concentrated seawater reflux line 55 and mixes with raw material seawater, again is concentrated.
Preferably, the low temperature multiple-effect distillation seawater desalination system of variable effect group also comprises: be communicated with described condenser 9 air outlets, be used for the raw material seawater that enters described condenser 9 is carried out degassed vacuum extractor (not shown in FIG.).Vacuum extractor can be extracted non-condensable gases in the seawater out, and the non-condensable gases that prevents from being blended in the raw material seawater causes damage to the equipment of the low temperature multiple-effect distillation seawater desalination system of variable effect group.
Preferably, the low temperature multiple-effect distillation seawater desalination system of variable effect group also comprises: be arranged on the middle charge pump on the described concentrated seawater transport pipe 56 of each bar; Vaporizer 3 and vaporizer 4 corresponding middle charge pumps 31, vaporizer 6 and vaporizer 5 corresponding middle charge pumps 30, charge pump 29 in the middle of vaporizer 8 and vaporizer 7 correspondences, each middle charge pump provides transmitting power for the seawater in the concentrated seawater transport pipe 56; Be arranged on the concentrated seawater pump 27 on the described concentrated seawater discharge tube 53; Be arranged on the product water pump 26 on the described product water discharge tube 52; Be arranged on the sea-water pump 25 of the seawater water inlet of described condenser 9; Be arranged on the pan feeding sea-water pump 28 on the described charging seawater pipeline 54; Be arranged on the cooling sea water pump 24 on the described Mare Frigoris water discharge spout road 50.Set up the pump of different purposes at each pipeline, can be convenient to the circulation of the liquid in the pipeline, improve the working efficiency of native system.
Continuation is referring to Fig. 1, in order to take full advantage of steam heat, in the low temperature multiple-effect distillation seawater desalination system of above-mentioned variable effect group, except with vaporizer that described condenser 9 is communicated with, the all corresponding fresh water flash tank of every 1st effective evaporator, each described fresh water flash tank water-in is communicated with the product water outlet of corresponding vaporizer, and all fresh water flash tanks are by described product water discharge tube 52 series connection.The inlet mouth of the vaporizer that described fresh water flash tank air outlet is adjacent with corresponding vaporizer is communicated with, and each fresh water flash tank is connected successively by described product water discharge tube 52.In the present embodiment, fresh water flash tank 10 is communicated with corresponding vaporizer 1, fresh water flash tank 11 is communicated with corresponding vaporizer 2, fresh water flash tank 12 is communicated with corresponding vaporizer 3, fresh water flash tank 13 is communicated with corresponding vaporizer 4, fresh water flash tank 14 and corresponding vaporizer 5 connections, fresh water flash tank 15 and corresponding vaporizer 6 connections, fresh water flash tank 16 is communicated with corresponding vaporizer 7, and above-mentioned fresh water flash tank is by 52 series connection of product water discharge tube.The water of condensation that produces in vaporizer 1 enters fresh water flash tank 10 as product water and carries out flash distillation, and flash steam enters vaporizer 2; Finish mixing evaporator 2 produces after the heat exchange product water and enter fresh water flash tank 11 and carry out flash distillation, flash steam enters vaporizer 3, the like, after finally all product waters are pooled to fresh water flash tank 16, promote the discharge systems by product water pump 26.
Continuation is referring to Fig. 1, in order to take full advantage of steam heat, in the low temperature multiple-effect distillation seawater desalination system of above-mentioned variable effect group, except head evaporation group, each vaporizer of each effect evaporation group is corresponding concentrated seawater flash tank respectively, the air outlet of described concentrated seawater flash tank is communicated with the air outlet of corresponding vaporizer respectively, and described concentrated seawater flash tank is by described concentrated seawater discharge tube 53 series connection.In the present embodiment, the air outlet of concentrated seawater flash tank 17 is communicated with the air outlet of corresponding vaporizer 3, the air outlet of concentrated seawater flash tank 18 is communicated with the air outlet of corresponding vaporizer 4, the air outlet of concentrated seawater flash tank 19 is communicated with the air outlet of corresponding vaporizer 5, the air outlet of concentrated seawater flash tank 20 is communicated with the air outlet of corresponding vaporizer 6, the air outlet of concentrated seawater flash tank 21 is communicated with the air outlet of corresponding vaporizer 7, the air outlet of concentrated seawater flash tank 22 is communicated with the air outlet of corresponding vaporizer 8, and above-mentioned concentrated seawater flash tank is by 53 series connection of concentrated seawater discharge tube.The concentrated seawater that produces in vaporizer 2 enters concentrated seawater flash tank 17 and carries out flash distillation, and flash steam enters vaporizer 3; Concentrated seawater after the flash distillation carries out flash distillation at each concentrated seawater flash tank successively, and flash steam enters the respectively vaporizer of correspondence of each concentrated seawater flash tank, and the concentrated seawater after flash distillation is complete promotes the discharge systems by concentrated seawater pump 25.
In sum, utilize the low temperature multiple-effect distillation seawater desalination system of variable effect group provided by the invention, when seawater being desalinated processing, can select the evaporation of different numbers to organize to process seawater by the control valve on the pipeline, obtain the seawater of different concns.Simultaneously, adopt the low temperature multiple-effect distillation seawater desalination system of variable effect group provided by the invention, can improve the utilization ratio of steam energy, reduced simultaneously the fouling of seawater in each single-effect evaporator shell.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (9)
1. the low temperature multiple-effect distillation seawater desalination system of a variable effect group is characterized in that, comprising:
The condenser that is communicated with the raw material seawater source;
The steam-pipe that is communicated with the raw material vapour source, and be arranged on heat pump on the described steam-pipe;
The evaporation group of at least two series connection, described each evaporation group comprise the vaporizer of at least two effect series connection, and wherein, the evaporation group that is communicated with the inlet mouth of described condenser is tail evaporation group, with evaporation group headed by the evaporation group that described steam-pipe is communicated with; The vaporizer that is communicated with adjacent evaporation group in the described first evaporation group is last evaporator;
Imitate the charging seawater pipeline that described vaporizer seawater water inlet and described condenser seawater water outlet are communicated with each respectively, and be arranged on the described charging seawater pipeline and the control valve corresponding with described each evaporation group and every 1st effective evaporator seawater water inlet respectively;
Imitate the product water discharge tube that described vaporizer product water water outlet and described condenser product water water outlet are communicated with each respectively;
The concentrated seawater discharge tube that is communicated with described last evaporator seawater water outlet;
Respectively with each effect evaporation group except head evaporation group in the seawater water outlet of each vaporizer and the concentrated seawater transport pipe that the charging seawater pipeline is communicated with, and be arranged on control valve on the described concentrated seawater transport pipe of each bar;
The concentrated seawater reflux line that is communicated with seawater water outlet and the described charging seawater pipeline of described last evaporator, and be arranged on control valve on the described concentrated seawater reflux line;
The concentrated seawater pipeline that is communicated with described each bar concentrated seawater transport pipe and described concentrated seawater reflux line, and be arranged on control valve on the described concentrated seawater pipeline of each bar.
2. the low temperature multiple-effect distillation seawater desalination system of variable effect group as claimed in claim 1 is characterized in that, also comprises: be communicated with described condenser air outlet, be used for the raw material seawater that enters described condenser is carried out degassed vacuum extractor.
3. the low temperature multiple-effect distillation seawater desalination system of variable effect group as claimed in claim 1 is characterized in that, described vaporizer is tube and shell heat exchanger.
4. the low temperature multiple-effect distillation seawater desalination system of variable effect group as claimed in claim 1 is characterized in that, described heat pump is the thermo compression injector.
5. the low temperature multiple-effect distillation seawater desalination system of variable effect group as claimed in claim 4 is characterized in that, the air outlet of the vaporizer that described heat pump also is communicated with described condenser is communicated with.
6. the low temperature multiple-effect distillation seawater desalination system of variable effect group as claimed in claim 1 is characterized in that, also comprises: the Mare Frigoris water discharge spout road that is communicated with described condenser seawater water outlet and described charging seawater pipeline.
7. such as the low temperature multiple-effect distillation seawater desalination system of each described variable effect group of claim 1 ~ 6, it is characterized in that, also comprise: be arranged on the middle charge pump on the described concentrated seawater transport pipe of each bar;
Be arranged on the concentrated seawater pump on the described concentrated seawater discharge tube;
Be arranged on the product water pump on the described product water discharge tube;
Be arranged on the sea-water pump of the seawater water inlet of described condenser;
Be arranged on the pan feeding sea-water pump on the described charging seawater pipeline;
Be arranged on the cooling sea water pump on the described Mare Frigoris water discharge spout road.
8. the low temperature multiple-effect distillation seawater desalination system of variable effect group as claimed in claim 7, it is characterized in that, except with vaporizer that described condenser is communicated with, the all corresponding fresh water flash tank of every 1st effective evaporator, each described fresh water flash tank water-in is communicated with the product water outlet of corresponding vaporizer, and each fresh water flash tank is by described product water discharge tube series connection.
9. the low temperature multiple-effect distillation seawater desalination system of variable effect group as claimed in claim 8, it is characterized in that, except head evaporation group, each vaporizer of each effect evaporation group is corresponding concentrated seawater flash tank respectively, the air outlet of described concentrated seawater flash tank is communicated with the air outlet of corresponding vaporizer respectively, and described concentrated seawater flash tank is by described concentrated seawater discharge tube series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009990.0A CN103073141B (en) | 2013-01-10 | 2013-01-10 | Low-temperature multi-effect distilled seawater desalination system with variable effect groups |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009990.0A CN103073141B (en) | 2013-01-10 | 2013-01-10 | Low-temperature multi-effect distilled seawater desalination system with variable effect groups |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103073141A true CN103073141A (en) | 2013-05-01 |
| CN103073141B CN103073141B (en) | 2014-08-20 |
Family
ID=48149866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310009990.0A Active CN103073141B (en) | 2013-01-10 | 2013-01-10 | Low-temperature multi-effect distilled seawater desalination system with variable effect groups |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103073141B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103387308A (en) * | 2013-08-13 | 2013-11-13 | 国家海洋局天津海水淡化与综合利用研究所 | Multi-effect membrane distillation-multistage flash evaporation seawater desalination system |
| CN104386771A (en) * | 2014-12-03 | 2015-03-04 | 中国石油大学(华东) | Multiple-effect evaporation experimental device variable in feeding method and effect number and application method of multiple-effect evaporation experimental device |
| CN106938178A (en) * | 2017-03-20 | 2017-07-11 | 国家海洋局天津海水淡化与综合利用研究所 | Multi-effect plate type film distilling seawater desalination system based on both vapor compression |
| CN107381694A (en) * | 2017-09-19 | 2017-11-24 | 四川大学 | A kind of low temperature multiple-effect distillation sea water desalting device |
| CN110038314A (en) * | 2018-10-29 | 2019-07-23 | 山东大学 | A kind of design method and its seawater desalination system of steam pipe constant-current stabilizer |
| CN111099679A (en) * | 2018-10-29 | 2020-05-05 | 山东大学 | Evaporator for seawater desalination |
| CN111807443A (en) * | 2020-07-22 | 2020-10-23 | 天津理工大学 | Disc type solar micro air turbine thermal power generation and seawater desalination combined system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6443388A (en) * | 1987-08-07 | 1989-02-15 | Mitsubishi Heavy Ind Ltd | Multi-effect water making apparatus |
| CN1397500A (en) * | 2002-08-09 | 2003-02-19 | 周堃 | Multi-effect distilling process and equipment for desalinating seawater |
| CN1837075A (en) * | 2006-04-09 | 2006-09-27 | 青岛大学 | Low-temperature multi-effect seawater desalination process |
| CN102381734A (en) * | 2011-09-26 | 2012-03-21 | 中国电子工程设计院 | Low-temperature multi-effect seawater distillation and desalination system and method for sweater desalination |
-
2013
- 2013-01-10 CN CN201310009990.0A patent/CN103073141B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6443388A (en) * | 1987-08-07 | 1989-02-15 | Mitsubishi Heavy Ind Ltd | Multi-effect water making apparatus |
| CN1397500A (en) * | 2002-08-09 | 2003-02-19 | 周堃 | Multi-effect distilling process and equipment for desalinating seawater |
| CN1837075A (en) * | 2006-04-09 | 2006-09-27 | 青岛大学 | Low-temperature multi-effect seawater desalination process |
| CN102381734A (en) * | 2011-09-26 | 2012-03-21 | 中国电子工程设计院 | Low-temperature multi-effect seawater distillation and desalination system and method for sweater desalination |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103387308A (en) * | 2013-08-13 | 2013-11-13 | 国家海洋局天津海水淡化与综合利用研究所 | Multi-effect membrane distillation-multistage flash evaporation seawater desalination system |
| CN103387308B (en) * | 2013-08-13 | 2014-10-01 | 国家海洋局天津海水淡化与综合利用研究所 | Multi-effect membrane distillation-multistage flash evaporation seawater desalination system |
| CN104386771A (en) * | 2014-12-03 | 2015-03-04 | 中国石油大学(华东) | Multiple-effect evaporation experimental device variable in feeding method and effect number and application method of multiple-effect evaporation experimental device |
| CN104386771B (en) * | 2014-12-03 | 2016-05-04 | 中国石油大学(华东) | Feeding manner, variable multiple-effect evaporation experimental provision and the application process thereof of effect number |
| CN106938178A (en) * | 2017-03-20 | 2017-07-11 | 国家海洋局天津海水淡化与综合利用研究所 | Multi-effect plate type film distilling seawater desalination system based on both vapor compression |
| CN107381694A (en) * | 2017-09-19 | 2017-11-24 | 四川大学 | A kind of low temperature multiple-effect distillation sea water desalting device |
| CN107381694B (en) * | 2017-09-19 | 2020-10-09 | 四川大学 | Low-temperature multi-effect distillation seawater desalination device |
| CN110038314A (en) * | 2018-10-29 | 2019-07-23 | 山东大学 | A kind of design method and its seawater desalination system of steam pipe constant-current stabilizer |
| CN110038313A (en) * | 2018-10-29 | 2019-07-23 | 山东大学 | A kind of evaporator inlet pipe design method and its seawater desalination system |
| CN111099679A (en) * | 2018-10-29 | 2020-05-05 | 山东大学 | Evaporator for seawater desalination |
| CN111807443A (en) * | 2020-07-22 | 2020-10-23 | 天津理工大学 | Disc type solar micro air turbine thermal power generation and seawater desalination combined system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103073141B (en) | 2014-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103073141B (en) | Low-temperature multi-effect distilled seawater desalination system with variable effect groups | |
| CN103387308B (en) | Multi-effect membrane distillation-multistage flash evaporation seawater desalination system | |
| CN101948148B (en) | Energy-saving low-temperature multiple-effect seawater desalting device | |
| CN205307834U (en) | Absorption heat pump sea water desalination device of recovery waste heat | |
| CN103073077B (en) | Multi-process, low-temperature and multiple-effect distilled seawater desalination system | |
| CN102381796B (en) | Solar photovoltaic photothermal integrated device for seawater desalination | |
| CN104402079A (en) | Industrial waste heat type low-temperature multi-effect sea water desaltation system and sea water desaltation method thereof | |
| CN101811743A (en) | Circulation evaporator | |
| CN203959864U (en) | A kind of brine waste triple effect evaporation recovery system | |
| CN201587871U (en) | Multi-stage vacuum distillation sea water desalinating device | |
| CN205035108U (en) | A light water condenser for sea water desalination device | |
| CN104761090B (en) | Wastewater zero discharge multiple-effect mechanical compress combination evaporator device and technique | |
| CN201834781U (en) | Single-stage vacuum distillation seawater desalination device | |
| CN202849193U (en) | Multistage vacuum distillation seawater desalting device | |
| CN102267733A (en) | Industrial waste heat low-temperature multi-effect seawater desalting system | |
| CN103253722A (en) | Plate type low-temperature multieffect seawater desalting device and method | |
| CN201660457U (en) | Novel multiple-effect distilled sea water desalination device | |
| CN202116342U (en) | Industrial exhaust heat low-temperature multiple-effect seawater desalinization system | |
| CN206288987U (en) | Many warm water-driven horizontal tube falling film multiple-effect evaporation crystallization apparatus | |
| CN203159264U (en) | Low-temperature multi-effect distillation seawater desalting system | |
| CN103073142A (en) | Multiple-effect-group, low-temperature and multiple-effect distilled seawater desalination system | |
| CN205045839U (en) | Thermodynamic system that steam turbine exhaust steam latent heat was used multipurposely | |
| CN206288993U (en) | Many warm water-driven horizontal tube falling film multi-effect evaporating devices | |
| CN102107915A (en) | Low-temperature multiple-effect distillation seawater desalination device utilizing saltwater preheating material water | |
| CN103030185B (en) | Low-temperature multi-effect sea water desalinization system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170619 Address after: 100034 Beijing, Fuchengmen, North Street, No. 6 -6 international investment building, block A, Co-patentee after: Chinese Electronic Engineering Design Institute Patentee after: STATE DEVELOPMENT & INVESTMENT CORPORATION (SDIC) Address before: 100840 Haidian District, Wanshou Road, No. 27, Patentee before: Chinese Electronic Engineering Design Institute |