CN208716883U - A kind of no vapour source room temperature negative pressure sea water distillation plant - Google Patents

Abstract

The utility model creation provides a kind of no vapour source room temperature negative pressure sea water distillation plant, including seawater degassing room and evaporator room；Seawater deaerates room equipped with the first sea intake, the first bleeding point and the first seawer outlet；Seawater degassing interior is successively arranged the first spray unit and partition from top to bottom；First spray unit is connected to the first sea intake；The partition is equipped with water hole；Evaporator room is equipped with the second sea intake, the second bleeding point, distilled water outlet and concentrated seawater outlet；Second sea intake is connected to the first seawer outlet；Water fender, the second spray unit and heat exchanger are successively arranged in evaporator room from top to bottom；Evaporator room is externally provided with compressor；Second spray unit is connected to the second sea intake；The import of heat exchanger is connected to compressor, and the outlet of heat exchanger extends to outside evaporator room.Without vapour source room temperature negative pressure sea water distillation plant described in the utility model creation, structure is simple, strong operability, less scaling, energy consumption is low.

Description

A kind of no vapour source room temperature negative pressure sea water distillation plant

Technical field

The invention belongs to field of sea water desalting technology, more particularly, to a kind of no vapour source in room temperature, negative pressure shape The device of low energy consumption sea water by distillation desalination is carried out under state.

Background technique

Currently, there are many China's desalination technologies, wherein application relatively widely mainly has hyperfiltration, multistage flash distillation The desalination technologies such as method, low-temperature multiple-effect distillation.But hyperfiltration requires height to sea water preprocessing, need to regularly replace infiltration Film, costly, production fresh water purity is low；Multistage flash vaporization construction investment is high, and energy consumption is big, the easy fouling of tube wall, equipment operation bullet Property is small, is not suitable for making water and changes big occasion, and heat transfer efficiency is low.

Low-temperature multiple-effect distillation refers to that the highest evaporating temperature of salt water is lower than 70 DEG C of distillation desalination technology, it is characterized in that will A series of horizontal tube sprinkling falling-film evaporator is together in series, and inputs first effect with a certain amount of steam, behind an effect evaporation temperature Degree is below the effect of front one, then by multiple evaporation and condensation, to obtain the desalination for the distilled water for being multiple times than quantity of steam Process.Salt water is heated to certain temperature due to still needing to by this method, and there are easy fouling, the shortcomings that corroding tube wall, energy consumption is high and must There must be vapour source.

Multistage flash vaporization and low-temperature multiple-effect distillation described above consider by heating of seawater to obtain vapor, In addition to perishable tube wall, complex process is costly.And normal temperature seawater distillation dress under presently disclosed vacuum or low pressure state It sets, except structure is complicated, evaporation and condensation temperature difference apparatus are not perfect outer, the operability of imagination is poor, and outstanding problem is desirable Vapour source, can not be not applicable using the place of steam for steamer, island etc., it is difficult to meet current normal temperature seawater distillation desalination skill The demand of art development.

Summary of the invention

In view of this, the invention is directed to a kind of no vapour source room temperature negative pressure sea water distillation plant, it is existing to overcome There is a defect of technology, structure is simple, strong operability, can meet the needs of current normal temperature seawater distillation desalination technology development.

In order to achieve the above objectives, the technical solution of the invention is achieved in that

A kind of no vapour source room temperature negative pressure sea water distillation plant, including seawater degassing room and evaporator room；

Seawater deaerates room equipped with the first sea intake, the first bleeding point and the first seawer outlet；Seawater degassing interior is set There are the first spray unit and partition；First spray unit is located at the top of partition, and the first spray unit and the first seawater Inlet communication；The partition is equipped with water hole；

Evaporator room is equipped with the second sea intake, the second bleeding point, distilled water outlet and concentrated seawater outlet；Evaporator room It is inside successively arranged water fender, the second spray unit and heat exchanger from top to bottom；Compressor is equipped on the outside of evaporator room, compressor Import is connected to the second bleeding point；Second sea intake is connected to the first seawer outlet；Second spray unit and The connection of two sea intakes；The import of the heat exchanger and the outlet of compressor, the outlet of heat exchanger and distilled water outlet connect It is logical, and extend to outside evaporator room；Second bleeding point is located above water fender.

Further, the first spray unit and the second spray unit include a spray deferent and several spray heads；Several sprays Head is mounted on the lower surface of spray piping, and is connected to spray piping；Spray piping and the first sea intake or the second seawater into Mouth connection.First spray unit and the second spray unit can flexible setting, seawater is introduced into the device of the evaporator room not office It is limited to spray equipment one kind, all existing apparatus that seawater is introduced and is atomized that is able to satisfy are ok.

Further, the first bleeding point is located at the top of the first spray unit, and the second pipe is equipped at the first bleeding point Road is equipped with vacuum pump and the first shut-off valve on second pipe；Water hole is located at the center of partition

Further, it is equipped with first pipe at the first sea intake, the first sea water pump and first are installed in first pipe Check valve；Second sea intake is connected to the first sea intake by the 4th pipeline, and is equipped with the second seawater on the 4th pipeline Pump and second one-way valve.

Further, the outlet of heat exchanger is connected to by the 6th pipeline with distilled water outlet；6th pipeline extends evaporation Device room, and stretch out on pipeline section and distilled water pump and third check valve are installed；Concentrated seawater outlet is located at the bottom of evaporator room, and dense 7th pipeline is installed at seawer outlet；4th check valve and concentrated seawater pump are installed on the 7th pipeline.

Further, the no vapour source room temperature negative pressure sea water distillation plant, further includes third bleeding point；Third pumping Mouth is located at the top of evaporator room；Third bleeding point is connected to by third pipeline with second pipe, and connectivity part is located at vacuum pump And first between shut-off valve；Third pipeline is equipped with the second shut-off valve.

Further, heat exchanger can be preferably heat exchange coil, and material is copper, other are various suitable for phase-change heat-exchange Heat exchanger is such as able to satisfy requirement of the present invention, is equally applicable to this.

Further, the quantity of the heat exchanger can be one or more (at least two), and when the quantity of heat exchanger is When multiple, multiple heat exchangers can parallel running.It is specifically exactly that multiple heat exchangers are circumferentially set side by side in evaporator room, Each heat exchanger is connected to the 5th pipeline, and outlet is extended to outside evaporator room by the 6th pipeline, is realized simultaneously with this Connection uses.

Further, height of the heat exchanger apart from evaporator room's bottom concentrated seawater can flexible setting, can both be higher than bottom Concentrated seawater liquid level also can contact bottom concentrated seawater liquid level.That is, exchanger base is more than or equal to away from the distance of evaporator room bottom The height of the liquid level of evaporator room's bottom concentrated seawater.

Further, the quantity of seawater degassing room and evaporator room can be greater than 1；First sea of multiple seawater degassings room Water out is connected to a general pipeline, which is connected to the second sea intake of multiple evaporator room.More and through transport are realized with this Row meets the requirement of different fresh water demands, and each size setting in seawater degassing room and evaporator room etc. is also with production requirement difference And it is different.

Another purpose of the invention is to propose that a kind of above-mentioned no vapour source room temperature negative pressure sea water by distillation of utilization fills The method to desalinize seawater is set, the desalination of seawater is carried out.

A method of it is desalinized seawater using above-mentioned no vapour source room temperature negative pressure sea water distillation plant, comprising the following steps:

S1: seawater, which is pressurizeed, introduces seawater degassing room spray, while being taken away in seawater degassing room in seawater using vacuum pump Air, make seawater degassing room be in low-pressure state；

S2: the pressurization of the seawater below partition will be fallen into and introduce evaporator room's spray, the vapor for spraying generation passes through water blocking Plate flows up, and is taken away through compressor so that evaporator room maintains negative pressure state always, so the water mist that generates spray and The evaporation of seawater of heat exchanger surface generates a large amount of vapor；It sprays the liquid water droplets generated and whereabouts is intercepted by water fender；

S3: the evaporation of seawater of the water mist and heat exchanger surface that spray generation generates a large amount of vapor after compressor pressurizes Heating；Vapor after heating enters heat exchanger, carries out heat exchange with the liquid water droplets of whereabouts；

S4: due to the effect of compressor, making condensation temperature in heat exchanger be higher than the temperature of the outer evaporation of seawater of heat exchanger, so that Condensation exothermic process and evaporation of seawater process persistently carry out, and the heat release in heat exchanger of the vapor after heat exchange condenses, and are formed high The discharge of purity distilled water, the water droplet of whereabouts evaporate the vapor to be formed inflow compressor and enter the water that next round is recycled, and fallen Remaining liquid portion after drop evaporation forms concentrated seawater discharge.

Preferably, vacuum pump be continuous work or intermittent work, by control the first shut-off valve and the second shut-off valve can Realize the pumping of seawater degassing room and evaporator room's different times.

Preferably, the method to desalinize seawater, further includes the steps that pre- emptying；The step is located at step S1 and step Between S2, the method for pre- emptying are as follows: before seawater introduces in evaporator room, open the second shut-off valve, not by vacuum pump The disconnected air for taking evaporator room inner space away, so that being in negative pressure state in evaporator room and heat exchanger.

Compared with the existing technology, a kind of no vapour source room temperature negative pressure sea water distillation plant described in the invention have with Lower advantage:

A kind of no vapour source room temperature negative pressure sea water distillation plant described in the invention, structure is simple, strong operability, It is not necessary that heating of seawater to certain temperature is carried out distillation desalination, it is not necessarily to additional vapour source, is consumed energy low, is only needed normal-temperature operation, be not easy Corrode tube wall, reduce project cost, and obtained distilled water quality is high, the various places of not vapour source can be suitable for.

In addition, a kind of no vapour source room temperature negative pressure sea water distillation plant described in the invention, can be used for not meeting The household water of standard for drinking distills desalination, is well adapted for the demand in current fresh water market.

The method to desalinize seawater and above-mentioned no vapour source room temperature negative pressure sea water distillation plant institute compared with the existing technology Have the advantage that identical, details are not described herein.

Detailed description of the invention

The attached drawing for constituting a part of the invention is used to provide to further understand the invention, present invention wound The illustrative embodiments and their description made are used to explain the present invention creation, do not constitute the improper restriction to the invention.? In attached drawing:

Fig. 1 is the simple main view knot of the invention no vapour source room temperature negative pressure sea water distillation plant described in embodiment 1 Structure schematic diagram；

Fig. 2 is that multiple seawater are de- in the invention no vapour source room temperature negative pressure sea water distillation plant as described in example 2 Gas chamber and multiple evaporator room simple overlooking structure diagram used in parallel.

Description of symbols:

1- first pipe；The first sea water pump of 2-；The first check valve of 3-；4- second pipe；5- vacuum pump；6- first ends Valve；The second shut-off valve of 7-；8- third pipeline；9- seawater degassing room；The first spray unit of 10-；1201- spray piping；1202- spray Head；The 4th pipeline of 11-；The second sea water pump of 12-；13- second one-way valve；14- evaporator room；15- water fender；16- second is sprayed Unit；The 5th pipeline of 17-；18- compressor；19- heat exchanger；The 6th pipeline of 20-；21- distilled water pump；22- third check valve； The 4th check valve of 23-；24- concentrated seawater pump；The 7th pipeline of 25-；26- water hole；27- water-stop sheet；The first sea intake of 28-；29- First bleeding point；The first seawer outlet of 30-；The second sea intake of 31-；The second bleeding point of 32-；33- distilled water outlet；34- is dense Seawer outlet；35- third bleeding point；36- general pipeline.

Specific embodiment

It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the invention can To be combined with each other.

In the description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For the limitation to the invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can explicitly or implicitly include one or more of the features.In the description of the invention, unless separately It is described, the meaning of " plurality " is two or more.

In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition State concrete meaning of the term in the invention.

The present invention will be described in detail below with reference to the accompanying drawings and embodiments creates.

Embodiment 1

As shown in Figure 1, a kind of no vapour source room temperature negative pressure sea water distillation plant, including seawater degassing room 9 and evaporator room 14；Seawater deaerates room 9 equipped with the first sea intake 28, the first bleeding point 29 and the first seawer outlet 30, the first sea intake 28 are located on the side wall of seawater degassing room 9, and the first bleeding point 29 is located at the top of seawater degassing room 9, the first seawer outlet 30 In seawater degassing room 9 lower end close to bottom place；Seawater deaerates, and room 9 is interior to be equipped with the first spray unit 10 and partition 27；The One spray unit 10 is located at the top of partition 27, and the first spray unit 10 is connected to the first sea intake 28；It is set on partition 27 There is water hole 26, partition 27 is parallel to the horizontal plane, and its edge is each attached on the side wall of seawater degassing room 9；Evaporator room 14 It is equipped with the second sea intake 31, the second bleeding point 32, distilled water outlet 33 and concentrated seawater outlet 34, the second sea intake 31 In on the side wall of evaporator room 14, and it is located at the lower section of water fender 11；Second bleeding point 32 is located at the top of evaporator room 14, and Positioned at the top of water fender 15；Concentrated seawater outlet 34 is located at the bottom of evaporator room 14；Second sea intake 31 and the first seawater 30 connection of outlet；Water fender 15, the second spray unit 16 and heat exchanger 19 are successively arranged in evaporator room 14 from top to bottom；Water blocking Setting is parallel to the horizontal plane in plate 15, and its edge is each attached on the side wall of evaporator room 14；Second spray unit 16 and second Sea intake 31 is connected to；The import of heat exchanger 19 passes through the outlet of the 5th pipeline 17 and compressor 18, and heat exchanger 19 goes out Mouth is connected to distilled water outlet 33 by the 6th pipeline 20, and the 6th pipeline 20 extends to outside evaporator room 14.The seawater Degassing room 9 is intended to pre-process seawater, constantly takes the air in seawater away using the vacuum pump 5, and maintains seawater de- It is in low-pressure state in gas chamber 9, to be more advantageous to the condensation liquefaction of distilled water in heat exchanger 19, makes sea water by distillation desalination process Continue efficiently to carry out.The effect of the partition 27 be to separate the seawater that just spray has been come in as far as possible and exhausted air fall into every The seawater of 27 lower section of plate, so that the seawater into evaporation of seawater room 14 is the extremely low seawater of air content.The water hole 26 Setting, the seawater that can be conveniently pumped away air fall into seawater degassing 9 lower part water space of room.The setting of the water fender 15, can In seawater after the second spray unit 16 spray in the evaporator room 14, play the role of separating vapor and liquid water, It specifically, is that only vapor can be flowed up by water fender 15, and liquid water is then intercepted by water fender 15.

First spray unit 10 and the second spray unit 16 include a spray piping 1201 and several spray heads 1202；It is several Spray head 1202 is mounted on the lower surface of spray piping 1201, and is connected to spray piping 1201；Spray piping 1201 and the first sea Water inlet 28 or the connection of the second sea intake 31.

It is equipped with first pipe 1 at first sea intake 28, the first sea water pump 2 and first is installed unidirectional in first pipe 1 Valve 3；Second sea intake 31 and the first seawer outlet 30 are logical by the 4th pipeline 11, and the second sea is equipped on the 4th pipeline 11 Water pump 12 and second one-way valve 13.First sea water pump 2 is mounted on the outside of seawater degassing room 9, and connection simultaneously will be extra large through first pipe 1 Water introduces seawater degassing room 9 and is sprayed, and enters seawater degassing room 9 for seawater and provides power；Second sea water pump 12 is located at evaporation The outside of device room 14, be connected to and through the 4th pipeline 11 by from seawater degassing room come out seawater introduce sea water evaporator room 14 into Row spray, enters evaporator room 14 for seawater and provides power.

First bleeding point 29 is located at the top of the first spray unit 10, and is equipped with second pipe 4 at the first bleeding point 29, Vacuum pump 5 and the first shut-off valve 6 are installed on second pipe 4；Water hole 26 is located at the center of partition 27.5 energy of vacuum pump It is enough constantly to take the air sprayed into seawater in seawater degassing room 9 away, make to maintain negative pressure state in seawater degassing room 9, thus more The condensation liquefaction for being conducive to distilled water in heat exchanger 19, makes sea water by distillation desalination process continue efficiently to carry out.

Water fender 15 is located at the lower section of the second bleeding point 32, and heat exchanger 19 is located at the top of concentrated seawater outlet.Water fender 15 It can be commercially available, be also possible to the plate for having fine mesh.

No vapour source room temperature negative pressure sea water distillation plant further includes third bleeding point 35；Third bleeding point 35 is located at evaporation The top of device room 14；Third bleeding point 35 is connected to by third pipeline 8 with second pipe 4, and connectivity part is located at vacuum pump 5 and the Between one shut-off valve 6；Third pipeline 8 is equipped with the second shut-off valve 7.The setting of compressor 18 is in 14 outside of evaporator room, air inlet Mouth is connected to the upper space of water fender 15 in evaporator room 14 by 17 upper end of the 5th pipeline, namely connects with the second bleeding point 32 It is logical；The gas outlet of compressor 18 passes through the lower end of the 5th pipeline 17 and the inlet communication of heat exchanger 19.Compressor 18 can be continuous It is evacuated, makes in negative pressure state in evaporator room 14 out of described evaporator room 14, thus the water mist for generating spray and heat exchange The evaporation of seawater on 19 surface of device generates a large amount of vapor, and vapor is pressurizeed by 17 upper end of the 5th pipeline into the compressor 18 Afterwards, the temperature of vapor accordingly increases, and manages interior progress heat release condensation in heat exchanger 19, forms high-purity distilled water, and due to Heat exchanger 19 is inside and outside to form certain temperature difference, can also promote the seawater rapid evaporation in evaporator room 14.

6th pipeline 20, which is located on the pipeline section outside evaporator room 14, is equipped with third check valve 22 and distilled water pump 21, uses The distilled water of formation is condensed in heat exchanger 19 in extraction.Concentrated seawater outlet 34 is located at the bottom of evaporator room 14, and concentrated seawater It exports and the 7th pipeline 25 is installed at 34, the 4th check valve 23 and concentrated seawater pump 24 are installed on the 7th pipeline 25；4th is unidirectional Valve 23 and concentrated seawater pump 24 are respectively positioned on 14 outside of evaporator room, for unevaporated concentrated seawater in evaporator room 14 to be discharged.

Heat exchanger 19 is heat exchange coil, is made of the high material of thermal conductivity, material is preferably copper.The knot of heat exchanger 19 Structure is specifically formed, and be tilted a certain angle to the right by multiple rows of in-parallel conduit arrangements.Heat exchanger 19 is apart from evaporation The height of device room bottom concentrated seawater can be set according to actual needs, can both be higher than bottom concentrated seawater liquid level or accessible bottom is dense Seawater liquid level.

A method of it is desalinized seawater using above-mentioned no vapour source room temperature negative pressure sea water distillation plant, specifically:

Firstly, seawater is introduced through the first sea water pump 2 enters seawater degassing room 9 through the first spray unit 10 spray, it is described true Sky pump 5 is started to work, and constantly takes the air contained in seawater away, so that seawater degassing room 9 is in negative pressure state；

Then, before seawater is not introduced into the evaporator room 14, by opening the second shut-off valve 7, start vacuum pump 5 The evaporator room 14 is evacuated, when reaching negative pressure state in the evaporator room 14, starts the second sea water pump 12, sea Water is continually introduced the second spray unit 16 in the evaporator room 14 through the 4th pipeline 11 by the second sea water pump 12.At this point, big Amount seawater enters evaporator room 14.

Later, due to the presence of negative pressure state in evaporator room 14, make 19 surface of water mist and heat exchanger of spray generation Evaporation of seawater generates a large amount of vapor, and vapor is by water fender 15, and liquid water is intercepted by water fender 15.Then, compressor Vapor in evaporator room 14 is continually introduced by the 5th pipeline 17 and is pressurizeed to it by 18, rises the temperature of vapor accordingly Height carries out heat release condensation in heat exchanger 19, forms high-purity distilled water, simultaneously because heat exchanger 19 is inside and outside to form certain temperature Difference, condensation temperature is higher than the temperature of the outer evaporation of seawater of heat exchanger in heat exchanger, has also promoted the evaporation of the outer seawater of heat exchanger 19, shape Exothermic condensation is carried out into the heat exchanger 19 further through after the compressor 18 pressurization at vapor.

Finally, the distilled water generated is drawn by the distilled water pump 21 that 14 outside of evaporator room is arranged in, and concentrated seawater Then it is discharged from 14 bottom of evaporator room by the 7th pipeline 25 by concentrated seawater pump 24.Entire distillation desalination process constantly follows Ring belongs to self-loopa distillation process without additional vapour source without other external heat sources.

During entirely desalinating sea water by distillation, it should be noted that the following.The evaporator is not introduced into seawater Before room 14, first, vacuum pump 5 need to be first opened, pumping process is carried out to the evaporator room 14, and in overall process, to the greatest extent It may maintain the negative pressure state of the evaporator room 14；Second, in order to keep inside and outside heat exchanger 19 have certain temperature difference, about 2 DEG C, the present invention pressurizes to vapor by the compressor 18 and realizes, without peripheral hardware, other high-grade energies are heated, It is entered in heat exchanger 19 after the pressurized raising temperature of vapor, the continuous condensation liquefaction of vapor forms a large amount of high-quality and steams Distilled water is drawn by the distilled water pump 21.Third, vacuum pump 5 can distill situation according to practical, by controlling the first shut-off valve 6 Or second shut-off valve 7 unlatching and closure, select continuous work or discontinuous operation.

The present invention is not necessarily to external heat source, without additional vapour source, and is directly pressurizeed by compressor 18 to vapor, makes pipe Interior steam temperature is higher than seawater and steam temperature in evaporator room 14, and vapor exchanges heat cold with the heat exchanger 19 in pipe It is solidifying to form distilled water, while heat source is provided for the outer evaporation of seawater of heat exchanger 19, the vapor that evaporation of seawater generates is further through the 5th Pipeline 17 flows into compressor 18 and enters next round circulation, has the characteristics that the self-loopa distillation of inside and outside phase-change heat-exchange desalinizes seawater.

Embodiment 2

The present embodiment it is substantially the same manner as Example 1 without vapour source room temperature negative pressure sea water distillation plant, the difference is that: As shown in Fig. 2, the quantity of seawater degassing room 9 and evaporator room 14 is 3；3 seawater degassing rooms 9 are set side by side, and they The first seawer outlet 30 be connected to a general pipeline 36 by a pipeline, which passes through three independent pipelines respectively with 3 Second sea intake 31 of a evaporator room 10 is connected to, and 3 evaporator room 10 are also set side by side.

It should be pointed out that the amount of seawater that can handle as needed of the quantity of seawater degassing room 9 and evaporator room 14 with And degree for the treatment of selection, Seawater Treatment amount is more, degree for the treatment of requires higher, the quantity of seawater degassing room 9 and evaporator room 14 What be can be set is more.

Embodiment 3

The present embodiment it is substantially the same manner as Example 1 without vapour source room temperature negative pressure sea water distillation plant, the difference is that: The quantity of the heat exchanger 19 is 2, and 2 heat exchangers 19 are used in parallel.It specifically, is exactly in evaporator room 14 along week To 2 heat exchangers are set side by side, the import of each heat exchanger is connected to the second bleeding point；The outlet of each heat exchanger with steaming Distilled water outlet, and extend to outside evaporator room.

The foregoing is merely the preferred embodiments of the invention, are not intended to limit the invention creation, all at this Within the spirit and principle of innovation and creation, any modification, equivalent replacement, improvement and so on should be included in the invention Protection scope within.

Claims (10)

1. a kind of no vapour source room temperature negative pressure sea water distillation plant, it is characterised in that: including seawater degassing room (9) and evaporator room (14)；

Seawater deaerates room (9) equipped with the first sea intake (28), the first bleeding point (29) and the first seawer outlet (30)；Seawater Deaerating, room (9) are interior to be equipped with the first spray unit (10) and partition (27)；First spray unit (10) is located at partition (27) Top, and the first spray unit (10) is connected to the first sea intake (28)；The partition (27) is equipped with water hole (26)；

Evaporator room (14) is equipped with the second sea intake (31), the second bleeding point (32), distilled water outlet (33) and concentrated seawater It exports (34)；Second sea intake (31) is connected to the first seawer outlet (30)；Compressor is equipped on the outside of evaporator room (14) (18), the import of compressor (18) is connected to the second bleeding point (32)；It is successively arranged water blocking from top to bottom in evaporator room (14) Plate (15), the second spray unit (16) and heat exchanger (19)；Second spray unit (16) and the second sea intake (31) are even It is logical；The import of the heat exchanger (19) and the outlet of compressor (18)；The outlet of heat exchanger (19) and distilled water outlet (33) it is connected to, and it is external to extend to evaporator room (14)；Second bleeding point (32) is located above water fender (15).

2. no vapour source room temperature negative pressure sea water distillation plant according to claim 1, it is characterised in that: the first spray unit (10) and the second spray unit (16) includes a spray piping (1201) and several spray heads (1202)；Several spray head (1202) peaces It is connected to mounted in the lower surface of spray piping (1201), and with spray piping (1201)；Spray piping (1201) and the first seawater into Mouth (28) or the second sea intake (31) connection.

3. no vapour source room temperature negative pressure sea water distillation plant according to claim 1, it is characterised in that: the first bleeding point (29) it is located at the top of the first spray unit (10), and second pipe (4), second pipe is installed at the first bleeding point (29) (4) vacuum pump (5) and the first shut-off valve (6) are installed on.

4. no vapour source room temperature negative pressure sea water distillation plant according to claim 1, it is characterised in that: water hole (26) position In the center of partition (27).

5. no vapour source room temperature negative pressure sea water distillation plant according to claim 1, it is characterised in that: the first sea intake (28) it is equipped with first pipe (1) at, the first sea water pump (2) and the first check valve (3) are installed in first pipe (1)；Second sea Water inlet (31) is connected to the first seawer outlet (30) by the 4th pipeline (11), and the second sea is equipped on the 4th pipeline (11) Water pump (12) and second one-way valve (13).

6. no vapour source room temperature negative pressure sea water distillation plant according to claim 1, it is characterised in that: heat exchanger (19) Outlet is connected to by the 6th pipeline (20) with distilled water outlet (33)；6th pipeline (20) extends evaporator room (14), and stretches Distilled water pump (21) and third check valve (22) are installed on pipeline section out；Concentrated seawater outlet (34) is located at the bottom of evaporator room (14) Portion, and the 7th pipeline (25) is installed at concentrated seawater outlet (34)；Be equipped on 7th pipeline (25) the 4th check valve (23) and Concentrated seawater pumps (24).

7. no vapour source room temperature negative pressure sea water distillation plant according to claim 3, it is characterised in that: further include that third is taken out Port (35)；Third bleeding point (35) is located at the top of evaporator room (14)；Third bleeding point (35) by third pipeline (8) with Second pipe (4) connection, and connectivity part is located between vacuum pump (5) and the first shut-off valve (6)；Third pipeline (8) is equipped with the Two shut-off valves (7).

8. no vapour source room temperature negative pressure sea water distillation plant according to claim 1, it is characterised in that: heat exchanger (19) is Heat exchange coil, material are copper；Distance of heat exchanger (19) bottom away from evaporator room (14) bottom is more than or equal to evaporator room (14) height of the liquid level of bottom concentrated seawater.

9. no vapour source room temperature negative pressure sea water distillation plant according to claim 1, it is characterised in that: the heat exchanger (19) quantity is one or more, and when the quantity of heat exchanger is multiple, multiple heat exchanger parallel runnings.

10. no vapour source room temperature negative pressure sea water distillation plant according to claim 1, it is characterised in that: seawater degassing room (9) and the quantity of evaporator room (14) is all larger than 1；First seawer outlet of multiple seawater degassings room (9) is connected to a general pipeline, The general pipeline is connected to the second sea intake of multiple evaporator room (14).