CN102432080B - Normal-temperature distilling sea water desalination device - Google Patents
Normal-temperature distilling sea water desalination device Download PDFInfo
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- CN102432080B CN102432080B CN201110350959.4A CN201110350959A CN102432080B CN 102432080 B CN102432080 B CN 102432080B CN 201110350959 A CN201110350959 A CN 201110350959A CN 102432080 B CN102432080 B CN 102432080B
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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
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- Y02A20/124—Water desalination
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Abstract
The invention discloses a normal-temperature distilling sea water desalination device, belonging to devices for desalinating sea water or saline-alkaline water by a distilling method. The normal-temperature distilling sea water desalination device comprises a condenser, an evaporator, a sediment filtering basin, a preprocessing water tank, a sea water charging pump, a water-gas separator, a vacuum pump, a fresh water tank, a circulating sea water tank and a circulating sea water pump. The device has the following technical characteristics that: two kinds of sea water distillation ways are provided, one way comprises both flash distillation and film distillation, and the other way comprises film distillation only. The evaporator and the condenser are not located in the same tan body, and a baffle board is located at outside of two tank bodies. The water-gas separator is arranged in front of the vacuum pump, and the water-gas separator is configured with 1-3 stages. The sea water desalination device comprises two forms of structure as follows: one is a dual-tank body structure, and the other one is a multi-tank body structure, and the multi-tank body is a combined body formed by more than two independent dual-tank body desalination units in parallel. In the multi-tank body sea water desalination device, if any dual-tank body fails, regular work of other tank bodies cannot be influenced. The sea water desalination device provided by the invention is easier to manufacture and install, can save material and has lower cost, higher quality of fresh water and lower energy consumption.
Description
Technical field:
The present invention is the device that seawater or saline-alkali water are desalinated, and specifically, is by the seawater under normal temperature state or saline-alkali water, the device that uses distillation method to desalinate.
Background technology
Application for a patent for invention number is 201010546509.8, denomination of invention is normal-temperature distilled seawater desalinating device, it is perfect not enough that it forms structure, parts machining manufacture is still difficult, there is problem of materials in the isolation of evaporation region and condenser zone, sealing problem, the vapour quantity that enters vacuum pump from desalting equipment is too large.
Summary of the invention
Normal-temperature distilled seawater desalinating device of the present invention, has overcome the shortcoming of prior art, and a kind of new technical scheme is provided, and the prior art that the present invention is is 201010546509.8 to application number, carries out improved technical scheme, and its feature is as follows:
1. the present invention take two tank bodies to be the sea water desalinating plant of independent desalination unit, and a tank is vaporizer, and another tank is condenser.Evaporation of seawater has two kinds of modes, and a kind of is to only have film evaporation, and another kind is flash distillation and film evaporation.Vacuum pump is not directly connected with condenser venting port, condenser venting port is connected with first step air water separator inlet mouth, after one-level to three grade air water separator, last step air water separator air outlet is connected with vacuum pump suction opening, and the air that only has of going out from vacuum pump does not have steam.
2. the desalting equipment that large and medium-sized desalting equipment of the present invention is a kind of multiple-tank body is independently to desalinate by a plurality of pairs of tank bodies the molectron that unit is formed in parallel.Each two tank body desalting equipment, that produce the desalination water yield minimum every day is 10m
3left and right, that maximum is 2,000 m
3left and right.A multiple-tank body desalting equipment, producing the desalination water yield every day is 30,000～50,000 m
3.
3. the present invention is to be example with three two tank bodies, illustrates that two tank bodies are the multiple-tank body desalting equipments how to be formed in parallel.When concrete enforcement is in parallel, minimum is 2 two tank bodies, and is unified into multiple-tank body desalting equipment.The concrete numerical value of two tank bodies in parallel is definite by the output desalination water yield, and desalination water day output is larger, and the more, in multiple-tank body desalting equipment, any one two tank body breaks down the quantity of two tank bodies in parallel, can not affect normal work.
4. application for a patent for invention number is 201010546509.8 sea water desalinating plant, and sea water desaltination temperature is 50 ℃～30 ℃, and concentrated seawater outflow temperature is 20 ℃～10 ℃.The seawater temperature that enters sea water desalinating plant of the present invention is that the minimum temperature that >=10 ℃ of concentrated seawaters are discharged this device is 5 ℃～7 ℃.
Owing to having taked to have the technical scheme of These characteristics, sea water desalinating plant of the present invention, not only preserved the scheme advantage before improving, and manufacturing cost is lower, better quality, and easy for installation, this invention desalting equipment need not be to heating of seawater.
Normal-temperature distilled seawater desalinating device of the present invention, the two kinds of structure formations of multiple-tank body that have two tank bodies, a plurality of pairs of tank body parallel connections, comprise vaporizer, condenser, water deflector, circulating seawer pump, circulating seawer case, vacuum pump, moisture separator, fresh-water tank, sedimentation and filtration ditch, pretreatment water tank, seawater small pump, pipeline, valve.
Normal-temperature distilled seawater desalinating device of the present invention, has prolong in the tank body of wherein said condenser.In the tank of vaporizer, there are generating tube, seawater moisturizing nozzle, circulating seawer nozzle.Water eliminator is installed in water deflector.Condenser, the vaporizer of each two tank body are parallel placements arranged side by side, and the tank base of condenser is than high 30cm left and right, vaporizer tank body top, if mini-sea water desalinating plant, the tank body of condenser is arranged on the tank body over top of vaporizer.
Accompanying drawing explanation
Fig. 1 is the multiple-tank body normal-temperature distilled seawater desalinating device agent structure schematic diagram of two tank body parallel connections.
Fig. 2 is two tank body normal-temperature distilled seawater desalinating device example structure schematic diagram.
Fig. 3 is the multiple-tank body normal-temperature distilled seawater desalinating device example structure schematic diagram of two tank body parallel connections.
Embodiment
The multiple-tank body normal-temperature distilled seawater desalinating device agent structure schematic diagram of two tank body parallel connections as shown in Figure 1.First pair of tank body forming comprising condenser (1), vaporizer (2), second two tank body that condenser (21), vaporizer (22) form, the 3rd two tank body that condenser (23), vaporizer (24) form, circulating seawer pump (4), circulating seawer case (5), vacuum pump (6), moisture separator (7), fresh-water tank (8), sedimentation and filtration ditch (9), pretreatment water tank (10), seawater small pump (11).
Two tank body normal-temperature distilled seawater desalinating device example structure schematic diagram as shown in Figure 2.Comprising condenser (1), vaporizer (2), water deflector (3), circulating seawer pump (4), circulating seawer case (5), vacuum pump (6), moisture separator (7), fresh-water tank (8), sedimentation and filtration ditch (9), pretreatment water tank (10), seawater small pump (11), seawater water compensating valve (12), sewage valve (13), gas valve (14), fresh water valve (15), check valve (18), concentrated seawater valve (28), circulating seawer valve (29), prolong (19), generating tube (26), circulating seawer nozzle (20), seawater moisturizing nozzle (27), water eliminator (25).Prolong (19) is installed in the tank body of condenser (1).Water eliminator (25) is installed in water deflector (3).Circulating seawer nozzle (20), seawater moisturizing nozzle (27), generating tube (26) are installed in vaporizer (2) tank body.The top of water deflector (3) is connected with the tank base of condenser (1), and the bottom of water deflector (3) is connected with the tank body top of vaporizer (2).Circulating seawer nozzle (20) and seawater moisturizing nozzle (27) are arranged on the tank body internal upper part of vaporizer (2), have three kinds of mounting means: <1> circulating seawer nozzle (20) is upper, seawater moisturizing nozzle (27) under.<2> seawater moisturizing nozzle (27) is upper, circulating seawer nozzle (20) under.<3> seawater moisturizing nozzle (27) is installed side by side with circulating seawer nozzle (20).
The water outlet of sedimentation and filtration ditch (9) is connected with the water-in of pretreatment water tank (10) by pipeline, and the water outlet of pretreatment water tank (10) is connected with the water-in of seawater small pump (11) by pipeline.The water outlet of seawater small pump (11) is connected with the water-in of seawater water compensating valve (12) by pipeline, and the water outlet of seawater water compensating valve (12) is connected with seawater moisturizing nozzle (27) water-in by pipeline.
The steam outlet of condenser (1) is connected with the steam inlet of gas valve (14) by pipeline, the steam outlet of gas valve (14) is connected with the steam inlet of moisture separator (7) by pipeline, the air outlet of moisture separator (7) is connected with vacuum pump (6) inlet mouth by pipeline, the water outlet of moisture separator (7) is connected with the water-in of fresh water valve (15) by pipeline, and the water outlet of fresh water valve (15) is connected with the water-in of fresh-water tank (8) by pipeline.The fresh water water outlet of condenser (1) tank body is connected with fresh-water tank (8) water-in by pipeline.
The water-in of circulating seawer case (5) is connected with the water outlet of vaporizer (2) tank body lower part by pipeline.The sewage draining exit of circulating seawer case (5) is connected with sewage valve (13) water-in by pipeline.The water outlet of circulating seawer case (5) is connected with circulating seawer pump (4) water-in by pipeline, the water outlet of circulating seawer pump (4) is connected with the water-in of check valve (18) by pipeline, the water outlet of check valve (18) is connected with the water-in of generating tube (26) by pipeline, the water outlet of generating tube (26) is connected with the water-in of prolong (19) by pipeline, the water outlet of prolong (19) is by pipeline and concentrated seawater valve (28) in parallel, the water-in of circulating seawer valve (29) connects, the water outlet of circulating seawer valve (29) is connected with the water-in of circulating seawer nozzle (20) by pipeline.
The multiple-tank body distillation seawater desalinating device example structure schematic diagram of two tank body parallel connections as shown in Figure 3.Comprising condenser (1), first pair of tank body that vaporizer (2) forms, condenser (21), second two tank body that vaporizer (22) forms, condenser (23), the 3rd two tank body that vaporizer (24) forms, circulating seawer pump (4), circulating seawer case (5), vacuum pump (6), moisture separator (7), fresh-water tank (8), sedimentation and filtration ditch (9), pretreatment water tank (10), seawater small pump (11), check valve (16), (17), (18), concentrated seawater valve (28), (30), (32), circulating seawer valve (29), (31), (33), seawater water compensating valve (12), sewage valve (13), gas valve (14), fresh water valve (15).
The water outlet of sedimentation and filtration ditch (9) is connected with the water-in of pretreatment water tank (10) by pipeline, the mouth of a river of pretreatment water tank (10) is connected with the water-in of seawater small pump (11) by pipeline, the water outlet of seawater small pump (10) is connected with the water-in of seawater water compensating valve (12) by pipeline, and the water outlet of seawater water compensating valve (12) is connected with seawater moisturizing nozzle (27) water-in of vaporizer (2) in parallel, (22), (24) by pipeline.
After condenser (1), (21), (23) each steam outlet pipe parallel connection, be connected with the steam inlet of gas valve (14), the steam outlet of gas valve (14) is connected with the steam inlet of moisture separator (7) by pipeline.The air outlet of moisture separator (7) is connected with the inlet mouth of vacuum pump (6) by pipeline, and the water outlet of moisture separator (7) is connected with the water-in of fresh water valve (15) by pipeline.The water outlet of fresh water valve (15) is connected with the water-in of fresh-water tank (8) by pipeline.In condenser (1), (21), (23) tank body, after the parallel connection of fresh water outlet conduit, be connected with the water-in of fresh-water tank (8).
After vaporizer (2), (22), the parallel connection of (24) seawater rising pipe, be connected with the water-in of circulating seawer case (5).The water outlet of circulating seawer case (5) is connected with the water-in of circulating seawer pump (4) by pipeline, and the water outlet of circulating seawer pump (4) is connected with the water inlet pipe of check valve (16) in parallel, (17), (18).Connection after the check valve (16) of multiple-tank body in parallel, (17), (18) water outlet, identical with the connection afterwards of the check valve (18) of aforesaid pair of tank body sea water desalinating plant ...
Normal-temperature distilled seawater desalinating device of the present invention, carries out sea water desaltination program as follows:
One. extract the air in each tank body, parts, pipeline out
Air in first pair of tank body, in second pair of tank body, in the 3rd pair of tank body, in circulating seawer case (5), in fresh-water tank (8), in all pipelines, in parts is taken out.Its method is: close seawater water compensating valve (12), sewage valve (13), concentrated seawater valve (28), (30), (32), open check valve (16), (17), (18), circulating seawer valve (29), (31), (33), gas valve (14), fresh water valve (15), start vacuum pump (6) and start to aspirate the air in sea water desalinating plant, reach after vacuum tightness requirement, close gas valve (14), fresh water valve (15), vacuum pump (6) quits work.
Two. two tank body sea water desalinating plant sea water desaltination operational processs are as follows:
After air in two tank body sea water desalinating plants is taken out, sewage valve (13), concentrated seawater valve (28) continue to close.Open check valve (18), circulating seawer valve (29), gas valve (14), fresh water valve (15), start vacuum pump (6) and keep the vacuum tightness in sea water desalinating plant.Open seawater water compensating valve (12), start seawater small pump (11), seawater enters seawater moisturizing nozzle (27) through piping, and to upper strata, generating tube (26) top spray, after spray, unevaporated seawater is in pipeline enters circulating seawer case (5).Start circulating seawer pump (4), seawater in circulating seawer case (5) is sent in generating tube (26), continue after heat release cooling, in piping enters prolong (19), seawater enters circulating seawer nozzle (20) through piping after absorbing heat in prolong (19) and heating up, to upper strata, generating tube (26) top spray, spray rear unevaporated seawater in pipeline enters circulating seawer case (5), recirculation desalting process.Through film evaporation or film steam, steam after flash evaporation, by water eliminator (25), heat release liquefaction on the outside surface of prolong (19), desalination water enters by pipeline in fresh-water tank (8) in the tank base of condenser (1).The air of condenser (1) and the gas not condensing on a small quantity enter after moisture separator (7), and air enters in vacuum pump (6), and gas is condensed into water and enters in fresh-water tank (8) by pipeline.The seawater temperature of circulating seawer nozzle (20) spray in vaporizer (2), lower than set boiling point time, close circulating seawer valve (29), open concentrated seawater valve (28) discharge concentrated seawater simultaneously, when the concentrated seawater in circulating seawer case (5) is discharged into the gauging line of setting, concentrated seawater valve (28) cuts out, circulating seawer valve (29) is opened, seawater water compensating valve (12) is opened simultaneously, seawater small pump (11) starts, supplementary seawater continues to repeat spraying and sprinkling evaporation by seawater moisturizing nozzle (27), when the water level in circulating seawer case (5) is raised to set(ting)value, seawater small pump (11), seawater water compensating valve (12) is closed.
Three. the multiple-tank body sea water desaltination operational process of two tank body parallel connections is as follows:
The multiple-tank body sea water desalinating plant of two tank body parallel connections exhausts after vacuum, sewage valve (13), concentrated seawater valve (28), (30), (32) continue to close, seawater water compensating valve (12) is opened, seawater small pump (11) starts, and seawater enters the nozzle spraying and sprinkling evaporation in vaporizer (2), (22), (24) by parallel pipeline.After seawater small pump (11) starts, circulating seawer pump (4) then starts, circulating seawer enters check valve (16), (17), (18) by parallel pipeline ... enter into the nozzle spraying and sprinkling evaporation of vaporizer (2), (22), (24), its circulating and evaporating process is identical with two tank bodies again.
Claims (3)
1. a normal-temperature distilled seawater desalinating device, this device has two tank bodies, two kinds of structure formations of multiple-tank body, wherein two tank body sea water desalinating plants comprise condenser one (1), vaporizer one (2), water deflector (3), circulating seawer pump (4), circulating seawer case (5), vacuum pump (6), moisture separator (7), fresh-water tank (8), sedimentation and filtration ditch (9), pretreatment water tank (10), seawater small pump (11), seawater water compensating valve (12), sewage valve (13), gas trap (14), fresh water valve (15), check valve three (18), concentrated seawater valve (28), circulating seawer valve (29), prolong (19), generating tube (26), circulating seawer nozzle (20), seawater moisturizing nozzle (27), water eliminator (25), it is characterized in that: prolong (19) is installed in the tank body of condenser one (1), water eliminator (25) is installed in water deflector (3), generating tube (26), circulating seawer nozzle (20), seawater moisturizing nozzle (27) are installed in the tank body of vaporizer one (2), the sea water desalinating plant that two tank bodies of take are independent desalination unit, a tank is vaporizer one (2), a tank is condenser one (1), multiple-tank body desalting equipment is the molectron being formed in parallel by a plurality of independently two tank body desalinations unit, evaporation of seawater mode has two kinds: a kind of is to have flash distillation and film to steam, and another kind only has film to steam, the top of water deflector (3) is connected with the tank base of condenser one (1), and bottom is connected with the tank body top of vaporizer one (2), circulating seawer nozzle (20), seawater moisturizing nozzle (27), be arranged on the tank body internal upper part of vaporizer one (2), have three kinds of mounting means: a. circulating seawer nozzle (20) is upper, seawater moisturizing nozzle (27) under, b: seawater moisturizing nozzle (27) upper, circulating seawer nozzle (20) under, c: circulating seawer nozzle (20) is installed side by side with seawater moisturizing nozzle (27), the water outlet of sedimentation and filtration ditch (9) is connected with the water-in of pretreatment water tank (10) by pipeline, the water outlet of pretreatment water tank (10) is connected with the water-in of seawater small pump (11) by pipeline, and the water outlet of seawater small pump (11) is connected with the water-in of seawater water compensating valve (12) by pipeline, the water outlet of seawater water compensating valve (12) is connected with the water-in of seawater moisturizing nozzle (27) by pipeline, the air outlet of condenser one (1) is connected with the inlet mouth of gas trap (14) by pipeline, the air outlet of gas trap (14) is connected with the inlet mouth of moisture separator (7) by pipeline, the air outlet of moisture separator (7) is connected with the inlet mouth of vacuum pump (6) by pipeline, moisture separator (7) water outlet is connected with the water-in of fresh water valve (15) by pipeline, and the water outlet of fresh water valve (15) is connected with the water-in of fresh-water tank (8) by pipeline, the water-in of circulating seawer case (5) is connected with the water outlet of vaporizer one (2) tank body lower part by pipeline, circulating seawer case (5) sewage draining exit is connected with the water-in of sewage valve (13) by pipeline, the water outlet of circulating seawer case (5) is connected with the water-in of circulating seawer pump (4) by pipeline, the water outlet of circulating seawer pump (4) is connected with the water-in of check valve three (18) by pipeline, the water outlet of check valve three (18) is connected with the water-in of generating tube (26) by pipeline, the water outlet of generating tube (26) is connected with the water-in of prolong (19) by pipeline, the water outlet of prolong (19) is by pipeline and concentrated seawater valve (28) in parallel, the water-in of circulating seawer valve (29) connects, the water outlet of circulating seawer valve (29) is connected with the water-in of circulating seawer nozzle (20) by pipeline, the fresh water water outlet of condenser one (1) tank body lower part is connected with the water-in of fresh-water tank (8) by pipeline, in two tank bodies, multiple-tank body sea water desalinating plant, it is identical having 12 component: circulating seawer pump (4), circulating seawer case (5), vacuum pump (6), moisture separator (7), fresh-water tank (8), sedimentation and filtration ditch (9), pretreatment water tank (10), seawater small pump (11), seawater water compensating valve (12), sewage valve (13), gas trap (14), fresh water valve (15), in multiple-tank body, after the inlet channel parallel connection of check valve one (16), check valve two (17), check valve three (18), be connected with the water outlet of circulating seawer pump (4), connection after the check valve one (16) of multiple-tank body in parallel, check valve two (17), check valve three (18) water outlets, identical with the connection afterwards of the check valve three (18) of aforesaid pair of tank body sea water desalinating plant after the seawater inlet channel parallel connection of vaporizer one (2), vaporizer two (22), vaporizer three (24), be connected with the water outlet of seawater water compensating valve (12), after the outlet pipe parallel connection of condenser one (1), condenser two (21), condenser three (23), be connected with the inlet mouth of gas trap (14), after the fresh water outlet conduit parallel connection of condenser one (1), condenser two (21), condenser three (23) tank body lower parts, be connected with the water-in of fresh-water tank (8).
2. normal-temperature distilled seawater desalinating device according to claim 1, is characterized in that: moisture separator (7) is designed to 1～3 grade.
3. normal-temperature distilled seawater desalinating device according to claim 1, is characterized in that: the seawater temperature that enters desalting equipment is >=10 ℃.
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| CN201110350959.4A CN102432080B (en) | 2011-11-08 | 2011-11-08 | Normal-temperature distilling sea water desalination device |
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| CN201110350959.4A CN102432080B (en) | 2011-11-08 | 2011-11-08 | Normal-temperature distilling sea water desalination device |
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| CN104773775B (en) * | 2014-01-13 | 2017-06-23 | 张世严 | Full phase transformation distillation seawater desalinating device |
| CN104773776B (en) * | 2015-03-23 | 2017-04-12 | 张世严 | Normal-temperature whole-phase-change seawater desalination device |
| CN107700461B (en) * | 2017-07-19 | 2023-09-15 | 江苏鑫泰岩土科技有限公司 | Saline-alkali soil improvement system |
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| CN1506313A (en) * | 2002-12-06 | 2004-06-23 | 张世严 | Normal temperature distillator for desalting sea water |
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| JPH03238079A (en) * | 1990-02-14 | 1991-10-23 | Konica Corp | Vacuum evaporative concentrating device for photographic processing liquid waste |
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| CN1506313A (en) * | 2002-12-06 | 2004-06-23 | 张世严 | Normal temperature distillator for desalting sea water |
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