CN201864593U - Plate-type sea water desalination device - Google Patents
Plate-type sea water desalination device Download PDFInfo
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- CN201864593U CN201864593U CN201020631143XU CN201020631143U CN201864593U CN 201864593 U CN201864593 U CN 201864593U CN 201020631143X U CN201020631143X U CN 201020631143XU CN 201020631143 U CN201020631143 U CN 201020631143U CN 201864593 U CN201864593 U CN 201864593U
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- sea water
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- fresh water
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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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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to a plate-type sea water desalination device, which comprises a sea water pump, a plate-type evaporator, a plate-type condenser, a salt water-air extractor, a fresh water pump and a shell used for arranging the plate-type evaporator and the plate-type condenser. The device takes waste heat of water of an engine cylinder sleeve as a heat source, and boils sea water through the plate-type evaporator by a vacuum boiling distillation principle, and then steam is condensed into fresh water by the plate-type condenser. An optimized product structure, an evaporative condenser plate set with high heat exchange efficiency, a silk screen gas and liquid separator with good separation effect, an integrated strong brine-air extractor and the like are adopted, so the device has a compact structure and is simple to operate and convenient to assemble, disassemble and overhaul, the fresh water production capacity of the device can be changed through changing the quantity of the plates, and the obtained fresh water has low salt content.
Description
Technical field
The utility model relates to a kind of board-like sea water desalinating plant, and a kind of specifically is thermal source with cylinder sleeve of engine water, adopts vacuum boiling distillation principle seawater to be converted into the device of fresh water.
Background technology
Traditional sea water desalinating plant is a shell-tube type, adopts boiling distillation principle, produces fresh water from seawater, and seawater is gone through processes such as boiling, evaporation, separation and condensation and is converted into fresh water in device.
The shell-tube type sea water desalinating plant is divided into lower housing, and condenser and separator are arranged in the upper housing, and well heater is arranged in the lower housing; Condenser shell in the accumbency placed in the middle of upper housing top, in establish the U-shaped condenser bundles, tube end and tube plate expanded-connecting are fixed, and in the condenser end cap dividing plate are arranged, and water coolant is formed in condenser tube repeatedly reflux; The condenser top has unlimited inlet mouth that air suction adapter is housed in the appropriate location of condenser and coagulates the water outlet connection.Both sides, upper housing inner condenser below are provided with baffle plate can be to the steam flash liberation, and the upper housing bottom is provided with and concentrates the salt solution outlet connection; Well heater in the lower casing, its tube bank is common light pipe, the upright installation, the pipe expanded joint makes tube sheet, pipe and lower housing become non-removable integral body on tube sheet.
Enter the shell-tube type sea water desalinating plant seawater first via and enter lower housing, device is fed water via barrier film pressure maintaining valve and throttling orifice plate; The second the tunnel extracts device through two, extracts the operating pressure water that device extracts salt solution and gas respectively as two, from extracting the water that device comes out, makes the cooling water of condenser.
The lower housing side inflow of shell-tube type sea water desalinating plant adds hot water, its heat is passed to seawater in pipe by tube wall, and the interior seawater of pipe is under 93% left and right sides vacuum state, comes to life, evaporates after being heated, the part vaporization is risen, and all the other seawater form concentrated salt solution and extract the device extraction by salt solution.Rising steam enters condensation chamber from both sides after separator separates, steam is condensed into distilled water by the mobile refrigerated sea water in condensation chamber, is extracted out by fresh water pump and delivers to fresh water tank, and whole still-process all is to finish under high vacuum state.The fresh water saltiness index of producing through traditional shell tubular type sea water desalinating plant is≤10ppm.
Along with traditional shell tubular type sea water desalinating plant is used in boats and ships, offshore drilling platform, small-sized desalimtor more and more, people propose more higher requirements day by day, such as compact construction, mounting or dismounting are convenient, the structured material seawater corrosion resistance strong, it is low or the like to produce the fresh water saltiness.
The utility model content
Technical problem to be solved in the utility model is, overcomes the shortcoming of prior art, proposes a kind of board-like sea water desalinating plant, its compact construction, easy to maintenance, have the structured material resistance to corrosion seawater strong, produce the low characteristics of fresh water saltiness.
In order to solve above technical problem, the utility model provides a kind of board-like sea water desalinating plant, and device is a thermal source by cylinder sleeve of engine water used heat, adopts vacuum boiling distillation principle, and seawater is converted into fresh water.This device comprises sea-water pump, plate-type evaporator, plate-type condenser, fresh water tank, salt solution-air ejector and is used to install the housing of plate-type evaporator and plate-type condenser; Described housing and pad and stainless steel protecgulum form an airtight cavity, be provided with a lateral partitions in the middle of the described stainless steel protecgulum described housing is divided into upper and lower two cavitys that communicate, described plate-type condenser and plate-type evaporator are loaded on respectively in the upper and lower cavity of described housing, also are provided with gas-liquid silk screen separator between the intravital upper and lower cavity of described shell; Described sea-water pump and described plate-type condenser import are joined, utilize sea-water pump that Mare Frigoris water is delivered to the condenser plate group, one side makes seawater conducted heat by steam and obtains preheating, and steam is through the condenser of cooled with seawater on the other hand, make the intravital steam in chamber be able to condensation, form fresh water; Described plate-type condenser outlet links to each other with the import of described salt solution-air ejector, on described plate-type condenser and pipeline that described salt solution-air ejector links to each other, have an arm and communicate, will be divided into the driving water of salt solution-air ejector and feed to feedwater two portions that plate-type evaporator plate group is used for evaporating from the pre-hot sea water of the warp that condenser is discharged with the lower chamber of described housing.Described housing upper cavity is provided with the adapter that links to each other with described fresh water tank, utilizes fresh water pump that the fresh water of making is extracted out, and delivers to fresh water tank; The import and export of described plate-type evaporator leads to the export and import of cylinder sleeve of engine recirculated water, by the hot water in the engine cylinder seawater is heated to boiling temperature, makes the seawater explosive evaporatoin, and the steam that evaporates enters upper cavity after by gas-liquid silk screen separator; The import of described salt solution-air ejector also is provided with a mouth and is communicated with the bottom of the lower chamber of described housing, all the other seawater is formed concentrate salt solution extraction cavity; The bleeding point of described salt solution-air ejector communicates with described housing, will vacuumize in the housing.
The technical scheme that the utility model further limits is: aforesaid a kind of board-like sea water desalinating plant, the plate of described plate-type evaporator and plate-type condenser is a rectangle, the selected material of described plate is a titanium, long-width ratio 〉=3: 1, and the plate face is provided with the herring-bone ripple; Both sides in the described plate-type evaporator plate groups on the plate in every interval are respectively arranged with an aperture.Titanium has special anti-stress corrosion performance to seawater and various muriate, is the preferred material of sea water desalinating plant heat exchange unit; Because at seawater velocity is in the titanium system heat exchange unit of 3～5m/s, it is the slightest giving birth to the fouling phenomenon, and the dirt-block modulus of titanium plate vaporizer and condenser is about 0.99～0.95.The titanium plate except very strong solidity to corrosion, also concrete light weight, the characteristic that intensity is high.Titanium scutum formula vaporizer of the present invention and condenser are compared to traditional copper mass shell tubular type, and not only the application because of the titanium plate has improved work-ing life and reduced installation weight, also produce the economy that the stifled phenomenon of the slightest dirt reduces device frequency of maintenance and use because of it.In addition, the dismounting of plate-type evaporator and condenser plate group is very convenient, meets when damaging, and can directly change plate, and the fresh water amount of producing can not be affected; Wherein improve the fresh water amount of producing of product for the generation that reduces evaporation plate group incrustation and equal specification product, the aperture of certain pore size is respectively established in water inlet, the plate left and right sides every a plate in the evaporator plate group, be beneficial to two-way simultaneous feedwater, and the cold medium in both sides flows simultaneously and washes away the generation that reduces the incrustation phenomenon greatly; Compared to the water inlet of one-sided hole, flow through because of plate simultaneously has thermal medium, another side has cold medium flow mistake, if the only one-sided water inlet of the cold medium side, not perforate side because of cold medium plate one side to the required distance that flows through of opposite side, and thermal medium only needs from two side direction intermediate flow, and distance is shorter, so, the cold medium of one side is slower than thermal medium and arrives, and making plate one side be easy to fouling, this not only reduces heat exchange efficiency, also will increase the demand of matting and maintenance.
Further, aforesaid a kind of board-like sea water desalinating plant, it has changed traditional split-type structural, change system into integral structure, comprise main suction chamber, secondary suction chamber, first order jet nozzle, secondary nozzle, extraction pipe, trunnion and diffuser pipe, described first order jet nozzle places in the described main suction chamber, described secondary suction chamber links to each other with the port that described main suction chamber is provided with described first order jet nozzle, described secondary nozzle places in the described secondary suction chamber, also be connected with described extraction pipe on described secondary suction chamber, described secondary suction chamber is connected with diffuser pipe successively with described trunnion.When the working fluid with certain pressure sprays with certain speed by nozzle, because the horizontal turbulent fluctuation diffusion of jet particle is taken away the air of tail pipe, form vacuum in the pipe, low-pressure fluid is inhaled into.A plurality of fluids mixes in trunnion and carries out energy exchange, the speed of working fluid reduces, being inhaled fluidic speed increases, in the trunnion outlet, the two convergence unanimity, pressure increases gradually, mixed stream is by behind the diffuser pipe, most of kinetic energy is converted to the pressure energy, and pressure is further improved, after the vent pipe discharge.The integral structure mixing extracts device not only makes its structure compact more, arrange the time save space, and by to extracting the reasonable setting of device structural parameter, can directly make the aspiration of salt solution and air reach a suitable balanced proportions state during use, split-type structural then need be adjusted when operation respectively, and operation is complicated more.Make the device cavity keep 85%～95% vacuum tightness by salt solution-air ejector, make that supplying with seawater can evaporate at low-temperature boiling under the vacuum state, vaporization temperature drops between 40 ℃～55 ℃.
Aforesaid a kind of board-like sea water desalinating plant, described gas-liquid silk screen separator is made up of upper and lower supporting grizzly bar and Stainless Steel Cloth, and described silk screen places between the described upper and lower grizzly bar; Web material is the 316L stainless steel, filament diameter is 0.22～0.28mm, the thickness of silk screen is about 100mm～150mm, the steam that the seawater explosive evaporatoin produces in the plate groups with suitable flow velocity by on the top of silk screen the breakup of drop, and take silk screen out of, form " liquid flooding " state, to reach good gas-liquid separation effect.For further improving separating effect of the present invention, produce the saltiness of fresh water with reduction, when the gas-liquid separation silk screen is assembled, the silk screen separator is fixing up and down with clathrum Outside Dimensions indentation 20～30mm, and the whole Outside Dimensions of separator will be greater than the inner cavity size at vacuum chamber separator arrangement place, be shrink-fit when taking to cooperate, the space of a little does not appear in periphery, flows away from peripheral space to avoid steam not see through silk screen; Before the silk screen assembling, must adopt special-purpose scavenging solution cleaning clean in addition, reduce separating effect, make the present invention produce fresh water saltiness≤2ppm to avoid to speckle with greasy dirt; And the gas-liquid separator of traditional shell tubular type sea water desalinating plant adopts is that the carbonated drink that strengthens jewel fiber material is separated plate washer, although also can play centrifugation, effect can not show a candle to the silk screen separator, the fresh water saltiness≤10ppm that produces.
Aforesaid a kind of board-like sea water desalinating plant also is equipped with salometer electrode probe and the arm that magnetic valve is housed in the adapter of leading to described fresh water tank, when the fresh water of producing detects the fresh water tank of then directly sending into up to standard by the salometer electrode probe; If not up to standard, prepared fresh water is directly entered the bilge by electric control box controlled opening arm magnetic valve.
In order to guarantee that described housing is not corroded, aforesaid a kind of board-like sea water desalinating plant, described housing is the cast copper housing, be provided with spelter in described cylindrical shell bottom, according to galvanic principles, seawater is the corrosion spelter earlier, and spelter is removable, the life-span of housing will be prolonged greatly like this, not by sea-water corrosion.
Aforesaid a kind of board-like sea water desalinating plant is provided with safety valve and ventilating cock in the top or the front portion of described housing, and noncondensable gas is excluded housing timely, helps the gasification of seawater.
The beneficial effects of the utility model are: the utility model not only compact construction, installation and maintenance space is little, simple to operate, and mounting or dismounting, maintenance are convenient; And this device produces the fresh water amount and can change by the increase and decrease of plate number, and it is very low to produce the fresh water saltiness.
Description of drawings
Fig. 1 is an embodiment schematic flow sheet of the present utility model.
Fig. 2 is the scheme of installation of the utility model silk screen gas-liquid separator.
Fig. 3 is the utility model salt solution-air ejector structural representation.
Fig. 4 is the utility model vaporizer plate synoptic diagram.
Embodiment
Embodiment 1
A kind of board-like sea water desalinating plant that present embodiment provides, comprise sea-water pump 1, plate-type evaporator 2, plate-type condenser 3, fresh water tank 4, salt solution-air ejector 5 and be used to install the housing 6 of plate-type evaporator 2 and plate-type condenser 3, be provided with safety valve 7 and ventilating cock 8 in the top or the front portion of described housing 6.
As shown in Figure 2, described housing 6 forms an airtight cavity with pad and stainless steel protecgulum 9, be provided with a lateral partitions 10 in the middle of the described stainless steel protecgulum 9 described housing is divided into upper and lower two cavitys, described plate-type condenser and plate-type evaporator are fixed in the upper and lower cavity of described housing 6 by clamping double-screw bolt and pressure strip, in lower chamber, be provided with metal spelter 12, effectively overcome the corrosion of housing; Between the upper and lower cavity of described housing inboard, also be provided with gas-liquid silk screen separator 11; Described gas-liquid silk screen separator is made up of upper and lower supporting grizzly bar and Stainless Steel Cloth.
As shown in Figure 3, shown in salt solution-air ejector 5 form by main suction chamber 5-1, secondary suction chamber 5-2, first order jet nozzle 5-3, secondary nozzle 5-4, extraction pipe 5-5, trunnion 5-6 and diffuser pipe 5-7, described first order jet nozzle places in the described main suction chamber, described secondary suction chamber links to each other with the port that described main suction chamber is provided with described first order jet nozzle, described secondary nozzle places in the described secondary suction chamber, also be connected with described extraction pipe on described secondary suction chamber, described secondary suction chamber is connected with diffuser pipe successively with described trunnion.
As shown in Figure 4, the plate of described plate-type evaporator is a rectangle, and the selected material of described plate is a titanium, long-width ratio 〉=3: 1, the plate face is provided with the herring-bone ripple, and the both sides in the described plate-type evaporator plate groups on the plate in every interval are respectively arranged with an aperture 2-1.
Working process: flow process as shown in Figure 1, seawater enters into plate-type condenser in 3 from seawater inlet 13 through filters 14 by sea-water pump 1 and carries out condensation and preheating, the flow through seawater of condenser 3 back preheatings, the sub-fraction branch barrier film pressure maintaining valve 15 of flowing through, throttling orifice plate 16 and matting mouth 17 enter to evaporator room, major part then flow to salt solution-air ejector 5, extract the driving water of device as this, by extracting the trunnion 5-6 in the device assembly, the effect of diffuser pipe 5-7 etc., in pipe, form vacuum, extract synchronously by housing bottom accumulation strong brine and extraction pipe and extract the intravital uncondensated steam of shell, with the condition of high vacuum degree that forms 85%～95% in the housing, make the interior vacuum tightness of height that forms of housing to reach low-temperature boiling distillation purpose; Vaporizer 2 fetches the circulating hot water as for engine 19 housings, the boiling of will the seawater through entering vaporizer after the preheating being heated forms steam and emerges via sending out between the device plate upside opening part, enter the lower chamber in the housing, the gas-liquid of flowing through again silk screen separator 11 stops drop get off, flow to the lower chamber bottom, the steam that reaches certain flow rate then sees through silk screen and enters upper cavity, enter condenser upside opening part, enter in the condenser plate group to meet between plate and condense into fresh water after cold and extract out by fresh water pump 18, the seawater medium is gone through liquid to the transformation of gaseous state ground and reach the turbulent state in such structure, reaches good separating effect.The salometer electrode probe 20 that links to each other with electric control box is installed in the fresh water escape route, when salinity detects defective, then the magnetic valve 22 on the electric control box 21 control branch road pipelines is opened defective fresh water is drained into the bilge, and through vacuum breaker, spring-load valve 24 drains into fresh water tank 4 as if qualified fresh water.
The product structure that the utility model adopt to be optimized, the vaporizer-condenser plate group of high heat exchange efficiency, the silk screen gas-liquid separator of good separating effect, incorporate strong brine-air ejector etc. make the apparatus structure compactness, and are simple to operate, mounting or dismounting, maintenance are convenient; Device is produced the fresh water amount and can be changed by the increase and decrease of plate number, and it is low to make the fresh water saltiness.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (8)
1. board-like sea water desalinating plant, comprise sea-water pump, plate-type evaporator, plate-type condenser, fresh water pump, salt solution-air ejector and the housing that is used to install plate-type evaporator and plate-type condenser, it is characterized in that: described housing and pad and stainless steel protecgulum form an airtight cavity, being provided with a lateral partitions in the middle of the described stainless steel protecgulum is divided into described housing, following two cavitys that do not communicate, described plate-type condenser and plate-type evaporator be loaded on respectively described housing on, in the lower chamber, on described shell is intravital, also be provided with gas-liquid silk screen separator between lower chamber; Described sea-water pump and described plate-type condenser import are joined, described plate-type condenser outlet links to each other with the import of described salt solution-air ejector, have an arm and communicate with the lower chamber of described housing on described plate-type condenser and pipeline that described salt solution-air ejector links to each other, described housing upper cavity is provided with the adapter that links to each other with described fresh water pump; The import and export of described plate-type evaporator leads to the export and import of cylinder sleeve of engine recirculated water; The import of described salt solution-air ejector also is provided with a mouth and is communicated with the bottom of the lower chamber of described housing, and the bleeding point of described salt solution-air ejector communicates with described housing.
2. a kind of board-like sea water desalinating plant according to claim 1 is characterized in that: the plate of described plate-type evaporator and plate-type condenser is a rectangle, and the selected material of described plate is a titanium, long-width ratio 〉=3: 1, and the plate face is provided with the herring-bone ripple; Both sides in the described plate-type evaporator plate groups on the plate in every interval are respectively arranged with an aperture.
3. a kind of board-like sea water desalinating plant according to claim 1, it is characterized in that: described salt solution-air ejector is an integral structure, comprise main suction chamber, secondary suction chamber, first order jet nozzle, secondary nozzle, extraction pipe, trunnion and diffuser pipe, described first order jet nozzle places in the described main suction chamber, described secondary suction chamber links to each other with the port that described main suction chamber is provided with described first order jet nozzle, described secondary nozzle places in the described secondary suction chamber, also be connected with described extraction pipe on described secondary suction chamber, described secondary suction chamber is connected with diffuser pipe successively with described trunnion.
4. a kind of board-like sea water desalinating plant according to claim 1 is characterized in that: described gas-liquid silk screen separator is made up of upper and lower supporting grizzly bar and Stainless Steel Cloth, and described silk screen places between the described upper and lower grizzly bar.
5. a kind of board-like sea water desalinating plant according to claim 4 is characterized in that: the used material of described Stainless Steel Cloth is 316L.
6. a kind of board-like sea water desalinating plant according to claim 1 is characterized in that: salometer electrode probe and the arm that magnetic valve is housed also are installed in the adapter of leading to described fresh water pump.
7. a kind of board-like sea water desalinating plant according to claim 1 is characterized in that: described housing is the cast copper housing, is provided with spelter at described housing bottom.
8. a kind of board-like sea water desalinating plant according to claim 1 is characterized in that: top or front portion at described housing are provided with safety valve and ventilating cock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020631143XU CN201864593U (en) | 2010-11-29 | 2010-11-29 | Plate-type sea water desalination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020631143XU CN201864593U (en) | 2010-11-29 | 2010-11-29 | Plate-type sea water desalination device |
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| Publication Number | Publication Date |
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| CN201864593U true CN201864593U (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201020631143XU Expired - Fee Related CN201864593U (en) | 2010-11-29 | 2010-11-29 | Plate-type sea water desalination device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627045A (en) * | 2017-03-17 | 2018-10-09 | 赤峰和然节能设备有限责任公司 | The method for preventing absorption heat exchange device bronze pan tube from corroding |
| CN117466365A (en) * | 2023-03-09 | 2024-01-30 | 中国科学院大连化学物理研究所 | Electrolytic water hydrogen production coupling sea water desalination system and method |
-
2010
- 2010-11-29 CN CN201020631143XU patent/CN201864593U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627045A (en) * | 2017-03-17 | 2018-10-09 | 赤峰和然节能设备有限责任公司 | The method for preventing absorption heat exchange device bronze pan tube from corroding |
| CN117466365A (en) * | 2023-03-09 | 2024-01-30 | 中国科学院大连化学物理研究所 | Electrolytic water hydrogen production coupling sea water desalination system and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20131129 |