CN207632540U - A kind of bubbling humidification dehumidification desalination plant - Google Patents
A kind of bubbling humidification dehumidification desalination plant Download PDFInfo
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- CN207632540U CN207632540U CN201721712157.2U CN201721712157U CN207632540U CN 207632540 U CN207632540 U CN 207632540U CN 201721712157 U CN201721712157 U CN 201721712157U CN 207632540 U CN207632540 U CN 207632540U
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- seawater
- bubbling
- air
- dehumidification
- pipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
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Abstract
The utility model discloses a kind of bubblings to humidify dehumidification desalination plant.The device includes being bubbled humidifier, vapor collecting apparatus and dehumidification condenser.Seawater is introduced into bubbling device and forms seawater film, then air is made to be bloated steam is humidified on pore.Humidification steam enters in condensation dehumidifier, and heat exchange is carried out with cooling water, and the water condensed enters fresh water collecting apparatus by means after being detached from air.The utility model has many advantages, such as that heat and mass is efficient, simple in structure, energy-efficient.
Description
Technical field
The utility model is related to water-treatment technology field, more particularly to a kind of bubbling humidifies dehumidification desalination plant.
Background technology
Freshwater resources have extremely important influence to the production and living of people, are the most important objects of human survival and development
One of basis is provided, but the freshwater resources that can reach production and living conditions at present are very limited, freshwater resources both domestic and external are in short supply
Situation getting worse.Contain a large amount of water resource in ocean, but it contains the substances such as a large amount of halogens, therefore can not be by people
Directly utilize.Desalination technology is developed and utilized at present has increasingly becomed the important of solution freshwater resources problem in short supply
Means.
Common method for desalting seawater has Re Fa and embrane method, and mainly using distillation, embrane method refers mainly to reverse osmosis hot method.Distillation
Method is the method for being allowed to boiling vaporization by heating seawater, then steam is condensed into fresh water.Distillation sea water desalting technology is most
The desalination technology of early input industrial applications, feature is also suitable even if in seriously polluted, high bioactivity briny environment,
It is high to produce water purity.Hot method usually requires to consume a large amount of high-grade energies, and production equipment is complicated, expensive.Embrane method it is reverse osmosis
Technology utilizes the selective penetrated property of semi-permeable membrane, and water is made to penetrate semi-permeable membrane against concentration gradient under conditions of outer high force, and makes
Salinity and impurity stay in the technology of the film other side.Embrane method is generally driven by electric energy and mechanical energy, and system needs to maintain higher fortune
Row pressure requires the voltage endurance capability of equipment very high.Existing hot method and embrane method desalinize seawater technology jointly in face of the problem of be
Equipment is complicated and requires height, needs to consume a large amount of high-grade energies, and fresh water yield is relatively low.
Utility model content
For deficiencies of the prior art, the purpose of this utility model is to provide a kind of simple in structure, energy saving
And the bubbling humidification dehumidification desalination plant that fresh water yield is high.
To achieve the goals above, the technical solution adopted in the utility model is as follows：
A kind of bubbling humidification dehumidification desalination plant, including it is bubbled humidifier, vapor collecting apparatus and dehumidification condensation
Device：
The bubbling humidifier includes air-blowing room and bubbling device；The air-blowing room is enclosed by bottom wall, side wall and roof
At closed cavity, pore is offered on the roof of the air-blowing room, the side wall is higher than the roof and the surrounding in roof
Film cofferdam is formed into, seawater liquid film is formed for the seawater of introducing；It is described to be connected to seawater introducing pipe at film cofferdam, for introducing
Seawater；The bubbling device is arranged in the air-blowing room, is connect with air supply pipe by air inlet pipe, for introducing air so that seawater
Liquid film is bubbled to form humidification steam；It is provided with osculum in the bottom of the air-blowing room, the seawater for being discharged into air-blowing room.
The vapor collecting apparatus includes humidification steam collection hood and air-introduced machine；The steam collection hood is located at the film forming
The top in cofferdam, for collecting humidification steam；The top of the steam collection hood is connected to by pipeline with steam collecting pipe；It is described
Steam collecting pipe is a blind pipe, and one end of opening is connect with the shell side of the dehumidification condenser；The air-introduced machine is arranged in institute
One end for stating the opening of steam collecting pipe, to provide power.
There is the cooling water of flowing in the tube side of the dehumidification condenser, is used as the low-temperature receiver of condensation humidification steam；The dehumidification
The shell side inlet of condenser is connected to the steam collecting pipe, is provided in the bottom of the dehumidification condenser and is connected to its shell side
Drainpipe, the condensed water condensed by humidification steam is discharged, the drainpipe is connected to fresh water storage tank；Subtract described
The top of wet condenser offers the exhaust pipe being connected to its shell side, dehumidification air is discharged.
Further, the bubbling humidifier has N number of, and N is the integer not less than 2；N number of bubbling humidifier is divided into
N grades, the 1st grade is bubbled humidifier and is connected to seawater introducing pipe；N grades are bubbled humidifier and N-1 grades of bubbling humidifications
Device is close to setting；N-1 grades at film cofferdam higher than N grades at film cofferdam, and the N-1 grades of film forming adjacent with N grades are enclosed
Weir part it is short in peer at the rest part of film cofferdam, constitute downflow weir, the seawater overflowed so as to N-1 grade is into N grades of shapes
At N grades of seawater liquid films；The quantity of the steam collection hood is equal with the bubbling quantity of humidifier and corresponds.
Further, it is introduced on pipe in the seawater and is provided with sea water pump, to increase the power for introducing seawater.
Further, it is provided with seawater recovery pond below the bubbling humidifier, the seawater recovery pond passes through reflux
It manages with sea water pump and introduces pipe at the seawater between film cofferdam and be connected to, reflux pump is provided on the return duct.
Further, the exhaust pipe is connected to the air supply pipe.
Further, the entrance of the tube side of the dehumidification condenser is connected to one end of cooling water inlet pipe, the dehumidification condensation
The outlet of the tube side of device is connected to the one end for cooling back water pipe, the other end for cooling back water pipe and the cooling water inlet pipe
The other end is connected to, to form the cooling cycle pipeline being closed；Water compensating valve, the moisturizing are also communicated on the cooling water inlet pipe
Valve is connected to by pipeline with liquid pump, for supplementing cooling water.
Further, further include heat pump assembly, it includes refrigerant storage tank, throttle valve, evaporator, compressor and condenser；
The evaporator and condenser are heat exchanger；The refrigerant storage tank, throttle valve, a pipeline of evaporator, compressor and cold
One pipeline of condenser is sequentially communicated into closed loop pipeline by pipeline；Another pipeline of the evaporator is connected on the cooling
On return pipe, the heat for absorbing cooling water；Another pipeline of the condenser is connected on the seawater and introduces on pipe, uses
In to heating of seawater.
Further, the bubbling device is bubbler or air pump, and intake valve is provided in the air inlet pipe.
Further, the aperture of the pore opened up on the roof of the air-blowing room is 0.5mm~2mm, the density of the pore
It is 0.1~0.6.The density of the pore refers to the ratio of the area and unit area on unit area shared by pore.
In the present invention, seawater is bubbled in multistage in humidifier, and heat transfer biography occurs with air by way of bubbling
Matter, humidification steam condenses in condensing dehumidifier generates fresh water.It is cold needed for heat and cooling cooling water needed for heating seawater
Amount is provided by heat pump.Whole device takes full advantage of each component heat, and heat and mass is efficient, and apparatus structure is simple, efficiently saves
Energy.
Compared with prior art, the utility model has the advantages that：
1, heat and mass is efficient.On multiple more pore upper wall surfaces high temperature occurs by way of bubbling for the utility model
The heat and mass of seawater and air, more pore upper wall surfaces substantially increase the contact area of air and seawater, and high temperature makes the steaming of seawater
Vapour pressure increases, and continuous be bubbled keeps the generation of humidification steam more violent.
2, capacity usage ratio is high.The utility model directly heats seawater using heat pump condenser as heat source, and heat pump steams
Device is sent out as the direct cooling water of low-temperature receiver.Meanwhile the heat of reflux high temperature seawater is utilized in the device, is carried out to the seawater being newly pumped into
Preheating is pre-chilled the cooling water being newly pumped into using the cooling water of outflow evaporator, therefore the device efficiently utilizes seawater energy profit
With rate height.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In attached drawing：1-sea water pump；2-seawater introduce pipe；3-condensers；4-return ducts；5-are bubbled humidifier；5-
1-the 1 grade of bubbling humidifier；The 2nd grade of bubbling humidifier of 5-2-；N grades of bubbling humidifiers of 5-N-；6-humidifications steam
Vapour collecting hood；7-at film cofferdam；8-bubbling devices；9-downflow weirs；10-reflux pumps；11-seawater collecting pits；12-air inlets
Valve；13-air-introduced machines；14-cooling water inlet pipes；15-cool back water pipe；16-steam collecting pipes；17-exhaust pipes；18-is light
Water storage tank；19-osculums；20-dehumidification condensers；21-liquid pumps；22-air supply pipes；23-evaporators；24-compressors；
25-refrigerant storage tanks；26-throttle valves.
Specific implementation mode
The utility model is described in further detail with reference to specific embodiment.
A kind of bubbling humidification dehumidification desalination plant, including it is bubbled humidifier 5, vapor collecting apparatus and dehumidification condensation
Device 20；
The bubbling humidifier 5 includes air-blowing room and bubbling device 8；The air-blowing room is by bottom wall, side wall and roof
The closed cavity surrounded offers pore on the roof of the air-blowing room, and the side wall is higher than the roof and the four of roof
It is formed in week into film cofferdam 7, seawater liquid film is formed for the seawater of introducing；It is described to be connected to seawater introducing pipe 2 at film cofferdam 7, it uses
In introducing seawater；The bubbling device 8 is arranged in the air-blowing room, is connect with air supply pipe 22 by air inlet pipe, for introducing sky
Gas is so that seawater liquid film is bubbled to form humidification steam；It is provided with osculum 19 in the bottom of the air-blowing room, for being discharged into drum
The seawater of gas chamber；
The vapor collecting apparatus includes humidification steam collection hood 6 and air-introduced machine 13；The steam collection hood is located at described
At the top of film cofferdam 7, for collecting humidification steam；The top of the steam collection hood is connected by pipeline and steam collecting pipe 16
It is logical；The steam collecting pipe 16 is a blind pipe, and one end of opening is connect with the shell side of the dehumidification condenser 20；The air inducing
Machine 13 is arranged in one end of the opening of the steam collecting pipe 16, to provide power；
There is the cooling water of flowing in the tube side of the dehumidification condenser 20, is used as the low-temperature receiver of condensation humidification steam；It is described to subtract
The shell side inlet of wet condenser 20 is connected to the steam collecting pipe 16, the bottom of the dehumidification condenser 20 be provided with and its
The drainpipe of shell side connection, the condensed water condensed by humidification steam is discharged, the drainpipe connects with fresh water storage tank 18
It is logical；The exhaust pipe 17 being connected to its shell side is offered on the top of the dehumidification condenser 20, dehumidification air is discharged.
Bubbling device 8 generates large quantity of air in air-blowing room and is full of entire chamber, and air is a large amount of stingy by pore bulging
Bubble.With seawater film heat and mass occurs for bubble, generates humidification steam.Humidification steam enters condensation dehumidifier and carries out condensation separation.
As an optimization, the bubbling humidifier 5 has N number of, and N is the integer not less than 2；N number of bubbling humidifier 5
It is divided into N grades, the 1st grade is bubbled humidifier 5-1 and is connected to seawater introducing pipe 2；N grades are bubbled humidifier and N-1 grades
It is bubbled humidifier and is close to setting；N-1 grades at film cofferdam 7 higher than N grades at film cofferdam 7, and N-1 grades with N grades of phases
It is adjacent at 7 part of film cofferdam it is short in peer at the rest part of film cofferdam 7, downflow weir 9 is constituted, so as to the sea of N-1 grade spillings
Water enters N grades of seawater liquid films of N grades of formation；The quantity of the steam collection hood and the quantity phase for being bubbled humidifier 5
Deng and correspond.It is designed to that multistage advantage is can to greatly increase the yield of humidification steam, improves the utilization rate of seawater.
As an optimization, it is introduced on pipe 2 in the seawater and is provided with sea water pump 1, to increase the power for introducing seawater.
As advanced optimizing, the lower section for being bubbled humidifier 5 is provided with seawater recovery pond, the seawater recovery pond
It is connected to sea water pump 1 and at the seawater introducing pipe 2 between film cofferdam 7 by return duct 4, is provided with back on the return duct 4
Stream pump 10.The seawater leaked under pore enters seawater collecting pit 11, by reflux pump 10 again with newly pump into seawater altogether into
Enter to be bubbled humidifier 5, to realize the humidification and cycle of seawater.
As an optimization, the exhaust pipe 17 is connected to the air supply pipe 22.The cycle profit of dehumidification air may be implemented in this way
With.
As advanced optimizing, the entrance of the tube side of the dehumidification condenser 20 is connected to one end of cooling water inlet pipe 14,
The outlet of the tube side of the dehumidification condenser 20 is connected to the one end for cooling back water pipe 15, the other end for cooling back water pipe 15
It is connected to the other end of the cooling water inlet pipe 14, to form the cooling cycle pipeline being closed；On the cooling water inlet pipe 14
It is also communicated with water compensating valve, the water compensating valve is connected to by pipeline with liquid pump 21, for supplementing cooling water.
Further include heat pump assembly as further optimization, it include refrigerant storage tank 25, throttle valve 26, evaporator 23,
Compressor 24 and condenser 3；The evaporator 23 and condenser 3 are heat exchanger；The refrigerant storage tank 25, steams throttle valve 26
A pipeline for sending out a pipeline of device 23, compressor 24 and condenser 3 is sequentially communicated into closed loop pipeline by pipeline；The steaming
Another pipeline of hair device 23 cools back described in being connected on water pipe 15, the heat for absorbing cooling water；The condenser 3
Another pipeline is connected on the seawater and introduces on pipe 2, for heating of seawater.The heat that condenser 3 generates is for heating sea
Water increases the vapour pressure of seawater, is conducive to the heat and mass of seawater and air.The cold that evaporator 23 generates is for cooling
Water, the cooling water after cooling return to condensation dehumidifier and recycle.
As an optimization, the bubbling device 8 is bubbler or air pump, and intake valve 12 is provided in the air inlet pipe.
As an optimization, the aperture of the pore opened up on the roof of the air-blowing room be 0.5mm~2mm, the pore it is close
Degree is 0.1~0.6.
As an optimization, the humidification steam collection hood 6 offers air admission hole in cone or polygonal pyramid shape at the vertex of a cone,
For being connected to the steam collecting pipe 16 by pipeline.
As an optimization, it is additionally provided with heating device on the air supply pipe 22, to improve the effect being bubbled.
A kind of bubbling humidification dehumidification method for desalting seawater, this method are based on above-mentioned bubbling and humidify dehumidification desalination plant,
Include the following steps：
S1：Seawater condenser 3 is preheated, pre- hot sea water is obtained, the pre- hot sea water, which enters, is bubbled humidifier 5.
S2：The pre- hot sea water be bubbled at the 1st grade humidifier 5-1 at levelling in film cofferdam 7 at the 1st grade of seawater liquid
Film, the 1st grade of extra pre- hot sea water overflow into the 1st grade be bubbled humidifier 5-2 at levelling in film cofferdam 7 at the 2nd grade of seawater liquid
Film, the 2nd grade of extra pre- hot sea water overflow into 3rd level be bubbled humidifier at levelling in film cofferdam 7 at 3rd level seawater liquid film,
The rest may be inferred, until the 1st grade is bubbled humidifier 5-N；Obtain N number of seawater liquid film.
S3：Corresponding N number of bubbling device 8 bloats air and acts on N number of seawater liquid film through pore, generates humidification steam.
S4：The humidification steam is under the action of air-introduced machine 13, humidified steam collection hood 6 and steam collecting pipe 16 successively
Into the shell side of dehumidification condenser 20；The condensation of cooling water of the humidification steam in the tube side of dehumidification condenser 20
Under, obtain condensed water and dehumidification air.
S5：Collection S4 obtains condensed water and is used as fresh water；The heat of cooling water is recycled for condenser 3 using evaporator 23
To seawater preheating.
S6：Step S1-S5 is repeated, until being collected into the condensed water of predetermined amount.
Can also include S2-1 further, it is also possible between S2 and S3：Part seawater enters seawater through air-blowing rooms at different levels and receives
Collect pond 11, then be back to condenser 3, is utilized with the sea water mixing newly introduced.The thermal energy of the seawater of recycling can be utilized in this way.
Can also include S4-1 between S4 and S5：Dehumidification air is imported into air supply pipe 22, to recycle dehumidification air.This
Sample can recycle fresh water and thermal energy in dehumidification air.
Above-described embodiment of the utility model is not to this reality only to illustrate the utility model example
With the restriction of novel embodiment.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other various forms of variations and variation.Here all embodiments can not be exhaustive.It is every to belong to this reality
With novel technical solution changes and variations that derived from still in the row of the scope of protection of the utility model.
Claims (9)
1. a kind of bubbling humidifies dehumidification desalination plant, which is characterized in that including be bubbled humidifier, vapor collecting apparatus and
Dehumidification condenser；
The bubbling humidifier includes air-blowing room and bubbling device；The air-blowing room is surrounded by bottom wall, side wall and roof
Closed cavity, pore is offered on the roof of the air-blowing room, and the side wall is formed higher than the roof and in the surrounding of roof
At film cofferdam, seawater liquid film is formed for the seawater of introducing；It is described to be connected to seawater introducing pipe at film cofferdam, for introducing sea
Water；The bubbling device is arranged in the air-blowing room, is connect with air supply pipe by air inlet pipe, for introducing air so that seawater liquid
Film is bubbled to form humidification steam；It is provided with osculum in the bottom of the air-blowing room, the seawater for being discharged into air-blowing room；
The vapor collecting apparatus includes humidification steam collection hood and air-introduced machine；The steam collection hood is located at described at film cofferdam
Top, for collect humidification steam；The top of the steam collection hood is connected to by pipeline with steam collecting pipe；The steam
Manifold trunk is a blind pipe, and one end of opening is connect with the shell side of the dehumidification condenser；The air-introduced machine is arranged in the steaming
One end of the opening of vapour manifold trunk, to provide power；
There is the cooling water of flowing in the tube side of the dehumidification condenser, is used as the low-temperature receiver of condensation humidification steam；The dehumidification condensation
The shell side inlet of device is connected to the steam collecting pipe, and the bottom of the dehumidification condenser is provided with the row being connected to its shell side
Water pipe, the condensed water condensed by humidification steam is discharged, the drainpipe is connected to fresh water storage tank；It is cold in the dehumidification
The top of condenser offers the exhaust pipe being connected to its shell side, dehumidification air is discharged.
2. bubbling according to claim 1 humidifies dehumidification desalination plant, which is characterized in that the bubbling humidifier
Have N number of, N is integer not less than 2；N number of bubbling humidifier is divided into N grades, and the 1st grade is bubbled humidifier and the seawater
Introduce pipe connection；N grades of bubbling humidifiers and N-1 grades of bubbling humidifiers are close to setting；N-1 grades at film cofferdam height
In N grades at film cofferdam, and N-1 grades with N grades of adjacent film forming cofferdam parts it is short in peer at the rest part of film cofferdam,
Downflow weir is constituted, the seawater overflowed so as to N-1 grades enters N grades of seawater liquid films of N grades of formation；The number of the steam collection hood
Amount is equal with the bubbling quantity of humidifier and corresponds.
3. bubbling according to claim 1 humidifies dehumidification desalination plant, which is characterized in that introduce and manage in the seawater
On be provided with sea water pump, to increase introduce seawater power.
4. bubbling according to claim 3 humidifies dehumidification desalination plant, which is characterized in that the bubbling humidifier
Lower section be provided with seawater recovery pond, the seawater recovery pond draws by return duct and sea water pump and at the seawater between film cofferdam
Enter pipe connection, reflux pump is provided on the return duct.
5. bubbling according to claim 1 humidifies dehumidification desalination plant, which is characterized in that the exhaust pipe with it is described
Air supply pipe is connected to.
6. bubbling according to claim 2 humidifies dehumidification desalination plant, which is characterized in that the dehumidification condenser
The entrance of tube side is connected to one end of cooling water inlet pipe, the outlet of the tube side of the dehumidification condenser and the one end for cooling back water pipe
Connection, the other end for cooling back water pipe are connected to the other end of the cooling water inlet pipe, to form the cooling cycle being closed
Pipeline；Water compensating valve is also communicated on the cooling water inlet pipe, the water compensating valve is connected to by pipeline with liquid pump, cold for supplementing
But water.
7. bubbling according to claim 6 humidifies dehumidification desalination plant, which is characterized in that further include heat pump assembly,
It includes refrigerant storage tank, throttle valve, evaporator, compressor and condenser；The evaporator and condenser are heat exchanger；It is described
Refrigerant storage tank, throttle valve, a pipeline of evaporator, compressor and condenser a pipeline be sequentially communicated by pipeline
Closed loop pipeline；Another pipeline of the evaporator cools back described in being connected on water pipe, the heat for absorbing cooling water；Institute
Another pipeline for stating condenser is connected on the seawater introducing pipe, for heating of seawater.
8. bubbling according to claim 1 humidifies dehumidification desalination plant, which is characterized in that the bubbling device is drum
Bubbler or air pump are provided with intake valve in the air inlet pipe.
9. humidifying dehumidification desalination plant according to any bubblings of claim 1-8, which is characterized in that the air-blowing room
Roof on the aperture of pore that opens up be 0.5mm~2mm, the density of the pore is 0.1~0.6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721712157.2U CN207632540U (en) | 2017-12-11 | 2017-12-11 | A kind of bubbling humidification dehumidification desalination plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721712157.2U CN207632540U (en) | 2017-12-11 | 2017-12-11 | A kind of bubbling humidification dehumidification desalination plant |
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| CN207632540U true CN207632540U (en) | 2018-07-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107814423A (en) * | 2017-12-11 | 2018-03-20 | 东莞理工学院 | A kind of bubbling humidification dehumidification sea water desalinating unit and method |
| CN110002542A (en) * | 2019-04-15 | 2019-07-12 | 华南理工大学 | A kind of membrane type desalination plant having self-cleaning function and method |
-
2017
- 2017-12-11 CN CN201721712157.2U patent/CN207632540U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107814423A (en) * | 2017-12-11 | 2018-03-20 | 东莞理工学院 | A kind of bubbling humidification dehumidification sea water desalinating unit and method |
| CN107814423B (en) * | 2017-12-11 | 2024-03-29 | 东莞理工学院 | Bubbling humidifying dehumidifying sea water desalting device and method |
| CN110002542A (en) * | 2019-04-15 | 2019-07-12 | 华南理工大学 | A kind of membrane type desalination plant having self-cleaning function and method |
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Granted publication date: 20180720 Termination date: 20181211 |