CN200954400Y - Atmospheric transverse-tube falling-film evaporation condenser - Google Patents
Atmospheric transverse-tube falling-film evaporation condenser Download PDFInfo
- Publication number
- CN200954400Y CN200954400Y CNU2005201221313U CN200520122131U CN200954400Y CN 200954400 Y CN200954400 Y CN 200954400Y CN U2005201221313 U CNU2005201221313 U CN U2005201221313U CN 200520122131 U CN200520122131 U CN 200520122131U CN 200954400 Y CN200954400 Y CN 200954400Y
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- CN
- China
- Prior art keywords
- condenser
- horizontal tube
- falling film
- film evaporation
- circulating pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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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- 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
- Y02A20/138—Water desalination using renewable energy
- Y02A20/142—Solar thermal; Photovoltaics
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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
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model relates to a self-excited sprinkling horizontal tube falling film evaporator- condenser, which can utilize heat energy and few electric power to make steam coagulate efficiently in the horizontal tube and simultaneously make seawater evaporate outside the horizontal tube efficiently, and is a high-efficiency seawater desalination device. The utility model comprises a sprinkler, a circulating pump and a horizontal tube falling film evaporator-condenser which are connected in order, the utility model is characterized in that: the inner cavity of the horizontal tube falling film evaporator-condenser is connected with the inlet of the circulating pump through tube, the outlet of the circulating pump is connected with the inlet of the sprinkler, during operation, steam enters the horizontal tube of the evaporator-condenser to produce the falling film coagulation and simultaneously heat the horizontal tube, when the seawater in the evaporator-condenser passes through the circulating pump and is sprinkled by the sprinkler to the exterior of the tube and then contacts with the hot horizontal tube, after heated, falling film evaporation is generated, the non-evaporated seawater drops to the bottom of the evaporator-condenser and then is sprinkled by the circulating pump onto the horizontal tube once again.
Description
Affiliated technical field
The utility model relates to a kind of evaporation-condensation device of novelty, specifically a kind of parts that can be used in the sea water desalinating unit.
Background technology
At present, the technology that seawater desalination system adopts mainly contains two classes, and a class is to adopt the so-called embrane method seawater desalination system of reverse osmosis membrane technology, another kind of so-called distillation sea water desalting system for utilizing that heat energy drives.Embrane method system cost and cost of use (service life that mainly is its reverse osmosis membrane is long) height, defective such as one-time investment is big, efficient is low is difficult to apply at mini system.The sea water desalinating unit that utilizes heat energy to drive is the main flow of present desalinization industry, but in existing systems, utilize particularly in the sea water desalinating unit of waste heat or Driven by Solar Energy, have following 3 obvious defects: (1) steam condenses into the latent heat that the fresh water process emits and is not repeated to utilize, but directly be dispersed in the environment, cause the device energy efficiency not high; (2) the free convection heat transfer pattern that existing apparatus adopted, heat transfer coefficient are not high, have limited the improvement of device performance greatly.(3) seawater thermosol amount to be evaporated is too big in the device, has limited its running temperature and has improved, and has weakened the driving force of evaporation process, thereby has also delayed the water outlet time of device greatly.Therefore, overcome above-mentioned 3 defectives, enhanced water evaporation and condensation process are the main directions that improves the sea water desalinating unit performance of utilizing waste heat or Driven by Solar Energy.
Summary of the invention
Existing sea water desalinating unit energy utilization efficiency is low, heat transfer coefficient is little and evaporation and the big shortcoming of condensation process resistance in order to overcome, and the utility model provides a kind of new self-excitation to drench horizontal tube falling film evaporation-condenser.This device can utilize steam to condense into the latent heat that the fresh water process is emitted, heat simultaneously and evaporate seawater, produce second level steam (this second steam can not converge with one-level steam, separates by flange), this second steam can be used for the heating that horizontal tube falling film evaporation-condenser is drenched in the more self-excitation of upper level.Owing to adopted heat and mass transfer enhancement measures such as falling film evaporation and falling film condensation, thereby have that heat transfer rate is fast, the big characteristics of product fresh water amount.
The technical scheme that its technical problem that solves the utility model adopts is: the inner chamber of horizontal tube falling film evaporation-condenser is connected with inlet of circulating pump by pipeline, and outlet of circulating pump is connected with the import that swashs the pouring device by pipeline.In the work, steam enters and produces falling film condensation in the transverse tube in its evaporator-condenser, heats transverse tube simultaneously, and the seawater in evaporator-condenser is through circulating pump, drenches device and swashs and drench pipe and contact with hot transverse tube when outer from swashing, and promptly produces falling film evaporation after being heated.The seawater that is not evaporated drops to the bottom of evaporator-condenser, will be swashed once more through circulating pump and drench to transverse tube.
Because the transverse tube evaporator-condenser has adopted horizontal tube falling film evaporation and this heat and mass transfer enhancement measure of condensation, swash the pouring technology and further strengthened this process again, improved heat transfer efficiency greatly, reduced heat transfer temperature difference, device has been had produce the characteristics that water is fast, evaporation efficiency is high.
The beneficial effects of the utility model are, can utilize low temperature and low pressure steam to drive the production fresh water that stably desalinizes seawater, and have the energy utilization efficiency height simultaneously, and it is fast to produce water, the distinguishing feature that the unit interval aquifer yield is big.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is connecting line of the present utility model and operation logic figure.
Fig. 2 is the front view that an embodiment of horizontal tube falling film evaporation-condenser is drenched in self-excitation.
Among Fig. 1,1. swash and drench device; 2. falling film evaporation transverse tube; 3. go up communicating pipe; 4 circulating pumps; 5. lower communicating tube; 6. the base plate of horizontal tube falling film evaporation-condenser; 7. the side plate of horizontal tube falling film evaporation-condenser; 8. the inwall runner of falling film evaporation transverse tube; 9. be used for flange with the superior and the subordinate's separation.
Among Fig. 2,10. strong brine overflow pipe.Device is in running, and when the degree of depth of salt solution in evaporator-condenser exceeded the overflow mouth of pipe, salt solution flowed to subordinate from overflow pipe.
The specific embodiment
In Fig. 1, the operation logic of device can be explained as follows step by step:
The utility model is that conventional heat drives parts in the sea water desalinating unit.The water vapour that is produced by the sea water desalinating unit miscellaneous part is through forcing or Natural Circulation is come the peripheral space of horizontal tube falling film evaporation-condenser, steam enters the inside of transverse tube (8) under the driving of low condensing pressure then, forms falling film condensation on the inwall of (8).The latent heat that the steam condensation is discharged has passed to the salt solution that forms falling film evaporation outside transverse tube by the wall of transverse tube, makes the falling film evaporation of salt water generates and generates secondary steam.This secondary steam rises and enters in the external condensation chamber of upper level falling film evaporation-condenser more, repeats heating at the corresponding levels and condensation process.
In the cavity that horizontal tube falling film evaporation-condenser inside is made up of transverse tube outer wall (2) and sidewall (7) and the end (6), seawater to be evaporated or salt solution warp be circulation pipe (5) and pump (4) down, enter sharp the pouring in the device (1) by upper circular tube (3), formed falling film evaporation after the spray apertures of (1) swashs on the outer wall that drenches the transverse tube (2) to horizontal tube falling film evaporation-condenser.Unevaporated strong brine finally drops down onto the bottom of the evaporation cavity of falling film evaporation-condenser, and is recycled pump (4) and is recycled in the spray thrower (1) and sprays the falling film evaporation process again, so repeats.
Seawater is introduced this device through pipeline from the opening part that horizontal tube falling film evaporation-condenser makes progress, and part is evaporated, and another part becomes dense salt solution discharges from strong brine discharge pipe (10), constant with the salt water yield in the holding device.
In Fig. 1, transverse tube (2) respectively with the welding of four sidewalls (7) of evaporator-condenser, four sidewalls again respectively with base plate (6) welding, form a upward opening cavity that has transverse tube to pass.Unnecessary salt solution in the evaporator-condenser is delivered to the evaporator-condenser of next stage from overflow pipe (10).Following circulation pipe (6) one ends stretch in the cavity of evaporator-condenser, and the other end is connected with circulating pump (4).Outlet of circulating pump is connected with an end of upper circular tube, and the other end of upper circular tube is connected with the sharp device that drenches.
Swash to drench device place evaporator-condenser directly over, swash and drench the hole down, allow and drench the hole and drench the salt solution that and can drop onto on the transverse tube (2) from swashing.
In an embodiment shown in Figure 2, transverse tube (2) is arranged by multilayer, and every layer of right-angled intersection welded with side plate.Make from swash drenching any salt solution that device falls and can both run into transverse tube and be heated.
Claims (4)
1. horizontal tube falling film evaporation-condenser is drenched in a self-excitation, and its sharp pouring device, circulating pump, horizontal tube falling film evaporation-condenser are docile and obedient preface and are connected.It is characterized in that: the inner chamber of horizontal tube falling film evaporation-condenser is connected with inlet of circulating pump by pipeline, and outlet of circulating pump is connected with the import that swashs the pouring device by pipeline.
2. horizontal tube falling film evaporation-condenser is drenched in self-excitation according to claim 1, it is characterized in that: horizontal tube falling film evaporation-condenser is welded at 2 to 200 millimeters transverse tube and the thickness sheet material at 1 to 20 millimeter by 1 to 1000 diameter.
3. horizontal tube falling film evaporation-condenser is drenched in self-excitation according to claim 1, it is characterized in that: directly over horizontal tube falling film evaporation-condenser, be equipped with one and swash the pouring device, can just in time drop on the transverse tube outer wall of horizontal tube falling film evaporation-condenser by swashing the sharp seawater that drenches of pouring device.
4. horizontal tube falling film evaporation-condenser is drenched in self-excitation according to claim 1, it is characterized in that: horizontal tube falling film evaporation-condenser bottom is connected with circulating pump by pipeline with sharp the pouring between the device, salt solution in horizontal tube falling film evaporation-condenser or seawater are delivered to via circulating pump and swash drench in the device, and drench device and swash on the outer surface that drenches transverse tube to horizontal tube falling film evaporation-condenser through swashing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201221313U CN200954400Y (en) | 2005-09-28 | 2005-09-28 | Atmospheric transverse-tube falling-film evaporation condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201221313U CN200954400Y (en) | 2005-09-28 | 2005-09-28 | Atmospheric transverse-tube falling-film evaporation condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200954400Y true CN200954400Y (en) | 2007-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201221313U Expired - Fee Related CN200954400Y (en) | 2005-09-28 | 2005-09-28 | Atmospheric transverse-tube falling-film evaporation condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200954400Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921005A (en) * | 2010-07-30 | 2010-12-22 | 北京理工大学 | Self-water storage type multi-stage vertical wall falling film condensation and distillation device |
| CN109809512A (en) * | 2017-11-21 | 2019-05-28 | 北京佑陆科技有限公司 | Temperature difference fluids interaction landing-type method for desalting seawater and device |
-
2005
- 2005-09-28 CN CNU2005201221313U patent/CN200954400Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921005A (en) * | 2010-07-30 | 2010-12-22 | 北京理工大学 | Self-water storage type multi-stage vertical wall falling film condensation and distillation device |
| CN109809512A (en) * | 2017-11-21 | 2019-05-28 | 北京佑陆科技有限公司 | Temperature difference fluids interaction landing-type method for desalting seawater and device |
| CN109809512B (en) * | 2017-11-21 | 2022-01-25 | 北京佑陆科技有限公司 | Temperature difference fluid interactive falling type seawater desalination method and device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |