CN101780988B - Novel sea water desalinization evaporator - Google Patents
Novel sea water desalinization evaporator Download PDFInfo
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- CN101780988B CN101780988B CN2009102490023A CN200910249002A CN101780988B CN 101780988 B CN101780988 B CN 101780988B CN 2009102490023 A CN2009102490023 A CN 2009102490023A CN 200910249002 A CN200910249002 A CN 200910249002A CN 101780988 B CN101780988 B CN 101780988B
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- tube
- evaporator
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- rubber seal
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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 invention discloses a novel sea water desalinization evaporator, which comprises a steam inlet device, a sea water spraying device, an evaporator shell, a steam demister, a sea water inlet device, a fresh water collection outlet device, a strong brine outlet device, a heat exchange pipe bundle, a pipe plate, an internal bracket, an outer support seat and an external reinforcing bracket, wherein the evaporator shell is formed by connecting a plurality of shells of effect evaporators by welding; anticorrosive coatings are coated on the inner walls of the evaporator shells and welding seams between two adjacent evaporator shells; the heat exchange tube bundle and a rubber ring for a tube plate are elastically sealed and connected; and the tube plate is fixed on the internal bracket. The invention has the beneficial effects that the cost of the shells is reduced by over 50 percent; an integral welding structure solves the problem that the connecting parts among the effect evaporators is leaked; and the heat exchange tube bundle and the tube plate are elastically connected by using a rubber sealing ring, thereby not only avoiding the problem that the connecting part is leaked, but also reducing the vibration strength of the heat exchange during use and improving the reliability and the service life of the equipment.
Description
Technical field
The invention belongs to field of sea water desalting technology, relate to seawater desalination evaporators, be specifically related to be used to making seawater after the effect of pervaporation, condensation, produce the equipment of fresh water.
Background technology
At present, known seawater desalination evaporators adopts duplex stainless steel or composite stainless steel sheet material to make housing in order to prevent sea-water corrosion more, adopt flange to connect being connected between single-effect evaporator and single-effect evaporator, common seawater desalination evaporators heat transfer tube tube bank is adopted to weld or rise with being connected of tube sheet and is connect mode more.The deficiencies in the prior art are: the processing and manufacturing difficulty of housing is large, and production cost is high; Single-effect evaporator is connected with flange between single-effect evaporator, easily reveals at flange connections, thereby makes vaporizer inside can not form normal working conditions; Welding between heat transfer tube tube bank and tube sheet or rise and connect mode owing to having the factors such as heat transfer tube tube bank vibration and corrosion during work, is easily snapped the junction to leak and is caused the vaporizer cisco unity malfunction behind life-time service.
Summary of the invention
The object of the present invention is to provide a kind of seawater desalination evaporators, overcome above-mentioned the deficiencies in the prior art.
The technical solution adopted in the present invention is: a kind of novel sea water desalinization evaporator, connected to form successively by a plurality of single-effect evaporators, single-effect evaporator comprises the steam-in device, the seawater spraying device, evaporator shell, the steam scum dredger, the seawater inlet device, the fresh water collecting outlet unit, the strong brine outlet unit, the heat transfer tube tube bank, tube sheet, internal stent, exterior support, the external reinforcing support, evaporator shell body and function plain carbon stool is made, it is characterized in that the described seawater desalination evaporators that is connected to form successively by a plurality of single-effect evaporators is that housing with single-effect evaporator consists of through being welded to connect successively, described evaporator shell inwall applies one deck corrosion protection coating, commissure between the adjacent two-effect evaporation device housing also applies the identical corrosion protection coating of corrosion protection coating that applies with the evaporator shell inwall, described heat transfer tube tube bank is connected with the rubber ring resilient seal with tube sheet, and tube sheet is fixed on the internal stent.
A kind of novel sea water desalinization evaporator of the present invention, its structure are that the thickness of the corrosion protection coating that described evaporator shell inwall applies is 0.3mm～1.2mm.
A kind of novel sea water desalinization evaporator of the present invention, its structure are that the corrosion protection coating that described evaporator shell inwall applies is food grade water-resisting type epoxy coating.
A kind of novel sea water desalinization evaporator of the present invention, its structure is that it is to be provided with the rubber seal clamping ring at interface tube that heat transfer tube is restrained and tube sheet with restraining between the interface that is connected that the tube bank of described heat transfer tube and tube sheet are connected with the rubber ring resilient seal, the outer wall of rubber seal clamping ring is connected with sealing joint on the tube sheet, and the interface tube of inwall and tube bank is tightly connected.
A kind of novel sea water desalinization evaporator of the present invention, its structure are that described heat transfer tube tube bank is food grade silicone rubber seal clamping ring with the rubber seal clamping ring that tube sheet is connected with the rubber ring resilient seal.
The working process of seawater desalination evaporators of the present invention is: the initial steam of vaporizer enters the heat transfer tube tube bank by the steam-in device, the seawater that need evaporate is sprayed above the heat transfer tube tube bank after entering the seawater spraying device by the seawater inlet device equably, because vapor temperature is higher than the temperature of restraining outer sprayed sea water in the tube bank, and the Working environment of the two is at its vapo(u)rous state, vapor condensation in causing restraining becomes fresh water to flow out from the fresh water collecting outlet unit becomes product water, the secondary steam that the outer evaporation of seawater of tube bank produces is then by entering the heat transfer tube tube bank of the second single-effect evaporator behind the steam scum dredger, repeat above-mentioned condensation with the seawater of the outer spray of tube bank, evaporative process, and the strong brine after the evaporation flows out vaporizer by the strong brine outlet unit.
The invention has the beneficial effects as follows: seawater desalination evaporators of the present invention adopts plain carbon stool to make evaporator shell, coated inner wall food grade water-resisting type epoxy coating, its Seawater durability is suitable with best duplex stainless steel, and manufacturing cost less than its 50%.Simultaneously, housing adopts the integral solder structure, it is the mode that is welded to connect in the erecting stage that adopts between single-effect evaporator and single-effect evaporator, weld seam applies the epoxy coating identical with inner walls again after cleaning, so, under the prerequisite that guarantees the junction antiseptic property, solved the difficult problem that flange connections is easily revealed.In addition, the working temperature of seawater desalination evaporators inside is no more than 120 ℃ and possess antiseptic property, heat exchange pipe of evaporator tube bank of the present invention connects with adopting bread and cheese level silicone rubber O-ring elasticity being connected of tube sheet, so not only avoided this place's welding of old-fashioned vaporizer or risen connecing the leakage problem of junction, and utilize the elastic shock attenuation performance of rubber, reduced heat transfer tube tube bank vibration intensity in use, reliability and the work-ing life of having improved evaporator plant.
Description of drawings
The present invention has accompanying drawing 3 width of cloth, wherein
Fig. 1 is the internal structure schematic diagram of seawater desalination evaporators of the present invention.
Fig. 2 is the schematic side view of seawater desalination evaporators of the present invention.
Fig. 3 is the heat transfer tube tube bank and tube sheet rubber seal clamping ring elastic connection structure schematic diagram of seawater desalination evaporators of the present invention.
In the accompanying drawing, 1, the steam-in device, 2, the seawater spraying device, 3, evaporator shell, 4, inner walls corrosion protection coating, 5, the steam scum dredger, 6, the seawater inlet device, 7, fresh water collecting outlet unit, 8, the strong brine outlet unit, 9, the heat transfer tube tube bank, 10, tube sheet, 11, internal stent, 12, exterior support, 13, external reinforcing support, the 14, first single-effect evaporator, the 15, second single-effect evaporator, 16, weld seam between vaporizer, 17, the rubber seal clamping ring, 18, the heat transfer tube of heat-exchanging tube bundle.
Embodiment
The present invention is further described below in conjunction with drawings and Examples.
The accompanying drawing illustrated embodiment is the seawater desalination evaporators that is connected and composed by the two-effect evaporation device.Evaporator shell 3 by the housing of the first single-effect evaporator and the second single-effect evaporator through being welded, housing is made of plain carbon stool, its inwall is coated with food grade water-resisting type epoxy coating 4, heat transfer tube tube bank 9 be fixed on the internal stent 11 after tube sheet 10 usefulness food grade silicone rubber O-rings 17 resilient seals are connected, vaporizer is furnished with enough external reinforcing supports 13 in order to guarantee rigidity requirement, and can be connected and fixed by the sole plate of exterior support 12 with seawater desalination system.The initial steam of vaporizer enters heat transfer tube tube bank 9 by steam-in device 1, need the seawater of evaporation to enter seawater spraying device 2 rear sprays equably above the heat transfer tube tube bank 9 by seawater inlet device 6, because vapor temperature is higher than the temperature of restraining outer sprayed sea water in the tube bank, and the Working environment of the two is at its vapo(u)rous state, vapor condensation in causing restraining becomes fresh water to flow out from fresh water collecting outlet unit 7 becomes product water, and the outer evaporation of seawater of tube bank produces secondary steam enters the second single-effect evaporator by steam scum dredger 5 heat transfer tube tube bank 9, the seawater outer with tube bank repeats above-mentioned condensation, evaporative process, and the strong brine after the evaporation flows out vaporizer by strong brine outlet unit 8.
In addition, be the seawater desalination evaporators of two effects shown in the present embodiment, can be equipped with as required in actual applications multiple-effect and use, principle is identical.
Claims (3)
1. seawater desalination evaporators, connected to form successively by a plurality of single-effect evaporators, single-effect evaporator comprises steam-in device (1), seawater spraying device (2), evaporator shell (3), steam scum dredger (5), seawater inlet device (6), fresh water collecting outlet unit (7), strong brine outlet unit (8), heat transfer tube tube bank (9), tube sheet (10), internal stent (11), exterior support (12), external reinforcing support (13), evaporator shell (3) is made of plain carbon stool, it is characterized in that the described seawater desalination evaporators that is connected to form successively by a plurality of single-effect evaporators is with single-effect evaporator (14,15) housing (3) is successively through being welded to connect formation, described evaporator shell (3) inwall applies one deck corrosion protection coating (4), the thickness of corrosion protection coating (4) is 0.3mm～1.2mm, corrosion protection coating (4) is food grade water-resisting type epoxy coating, commissure (16) between the adjacent two-effect evaporation device housing also applies the identical corrosion protection coating of corrosion protection coating that applies with the evaporator shell inwall, described heat transfer tube tube bank (9) is connected with rubber seal clamping ring (17) resilient seal with tube sheet (10), and tube sheet (10) is fixed on the internal stent (11).
2. a kind of seawater desalination evaporators according to claim 1, it is characterized in that it is to be provided with rubber seal clamping ring (17) at interface tube that heat transfer tube is restrained and tube sheet with restraining between the interface that is connected that described heat transfer tube tube bank (9) and tube sheet (10) are connected with rubber seal clamping ring (17) resilient seal, the outer wall of rubber seal clamping ring is connected with sealing joint on the tube sheet (10), and the interface tube (18) of inwall and heat transfer tube tube bank (9) is tightly connected.
3. a kind of seawater desalination evaporators according to claim 2 is characterized in that described heat transfer tube tube bank (9) is food grade silicone rubber seal clamping ring with the rubber seal clamping ring (17) that tube sheet (10) is connected with rubber seal clamping ring resilient seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102490023A CN101780988B (en) | 2009-12-30 | 2009-12-30 | Novel sea water desalinization evaporator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102490023A CN101780988B (en) | 2009-12-30 | 2009-12-30 | Novel sea water desalinization evaporator |
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| Publication Number | Publication Date |
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| CN101780988A CN101780988A (en) | 2010-07-21 |
| CN101780988B true CN101780988B (en) | 2013-01-16 |
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| CN2009102490023A Active CN101780988B (en) | 2009-12-30 | 2009-12-30 | Novel sea water desalinization evaporator |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276003A (en) * | 2011-06-23 | 2011-12-14 | 哈尔滨汽轮机厂辅机工程有限公司 | Combined type seawater desalination evaporator with glue liners in housings |
| CN102701304B (en) * | 2012-06-04 | 2013-06-12 | 北京理工大学 | Seawater evaporator for light collecting solar seawater desalination device |
| CN103011314A (en) * | 2012-12-24 | 2013-04-03 | 中国电子工程设计院 | Evaporator for low-temperature multi-effect sea water desalinating system |
| CN111533196B (en) * | 2020-04-14 | 2022-10-11 | 临沂市惠宇环保科技有限公司 | High salt waste water evaporation treatment device |
| CN111573764B (en) * | 2020-05-28 | 2022-03-04 | 山东建筑大学 | Cold-hot coupling tower type seawater desalination system utilizing ship waste heat and application method |
| CN112874240A (en) * | 2021-03-01 | 2021-06-01 | 上海电力大学 | Protection-added heat exchanger |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1546386A (en) * | 2003-12-16 | 2004-11-17 | 国家海洋局天津海水淡化与综合利用研 | Method and device for desalting sea water using mechanical compression distillation method |
| CN1709999A (en) * | 2005-07-05 | 2005-12-21 | 国家海洋局天津海水淡化与综合利用研究所 | Internal wall anticorrosive coating for sea water evaporating installation |
| CN101113030A (en) * | 2007-07-05 | 2008-01-30 | 中国海洋大学 | Low-position heat energy spray evaporation-multiple-effect distillation seawater desalination method and device |
| CN101503224A (en) * | 2008-12-25 | 2009-08-12 | 滨海环保装备（天津）有限公司 | Low temperature multiple-effect seawater desalination evaporator and working method thereof |
| CN201614303U (en) * | 2009-12-30 | 2010-10-27 | 中国第一重型机械股份公司 | Novel seawater desalination evaporator |
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2009
- 2009-12-30 CN CN2009102490023A patent/CN101780988B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1546386A (en) * | 2003-12-16 | 2004-11-17 | 国家海洋局天津海水淡化与综合利用研 | Method and device for desalting sea water using mechanical compression distillation method |
| CN1709999A (en) * | 2005-07-05 | 2005-12-21 | 国家海洋局天津海水淡化与综合利用研究所 | Internal wall anticorrosive coating for sea water evaporating installation |
| CN101113030A (en) * | 2007-07-05 | 2008-01-30 | 中国海洋大学 | Low-position heat energy spray evaporation-multiple-effect distillation seawater desalination method and device |
| CN101503224A (en) * | 2008-12-25 | 2009-08-12 | 滨海环保装备（天津）有限公司 | Low temperature multiple-effect seawater desalination evaporator and working method thereof |
| CN201614303U (en) * | 2009-12-30 | 2010-10-27 | 中国第一重型机械股份公司 | Novel seawater desalination evaporator |
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| CN101780988A (en) | 2010-07-21 |
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