CN101880068B - Water treatment device and method - Google Patents
Water treatment device and method Download PDFInfo
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- CN101880068B CN101880068B CN201010202690.0A CN201010202690A CN101880068B CN 101880068 B CN101880068 B CN 101880068B CN 201010202690 A CN201010202690 A CN 201010202690A CN 101880068 B CN101880068 B CN 101880068B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
- C02F1/12—Spray evaporation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for 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
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/33—Wastewater or sewage treatment systems using renewable energies using wind energy
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention relates to a water treatment device and a water treatment method. The water treatment device comprises a first barrel (12), a condensed water collection device (9), n second barrels (13), n reheaters (11) and a heat exchanger (5), wherein a condenser (3) is arranged in the first barrel; a spray device (8) and a filler (7) are arranged in each second barrel (13); the water to be treated flows through the condenser (3) and the nth reheater (11) in turn, is led into the heat exchanger (5) and the first to the (n-1)th reheaters (11) respectively, then is led into the spray devices (8) in the first to the nth second barrels, and is sprayed to the surface of the filler (7) in each second barrel; and the vapor flowing out from the first to the nth reheaters (11) is gathered together, then is led to the condenser to exchange heat with the water to be treated and is condensed into condensed water. The invention provides the water treatment method which is not affected by fouling and has a high evaporation temperature.
Description
Technical field
The present invention relates to a kind of water treatment device and method, particularly relate to a kind of sea water desalinating plant and method.
Background technology
Shortage of water resources has become the significant problem of 21 century facing mankind.China's Situation of water resources allows of no optimist more, and as one of 13 poor-water states in the world, occupancy volume is only equivalent to 1/4 of world average water resources year per capita, and lack of water city accounts for 2/3 of National urban." 21 century sustainable development of China wa-ter resources strategy research " report that Chinese Academy of Engineering proposes in July, 2000 is pointed out, the water deficit to China in 2010 will reach 1000 billion cubic meters, and to the year two thousand thirty, water deficit will higher than this numerical value.Development sea water desaltination cause, asks for the common development trend that fresh water has become countries in the world to ocean.On a lot of fishing boat of China, warship and island, the demand of self-produced fresh water is also very urgent, and therefore the sea water desalinating plant of small-sized efficient also has the market segment had a extensive future.
Current desalination technology is taken as the leading factor with distillation method, make its explosive evaporatoin by heat source seawater in distillation desalination process, then condense into fresh water, this process is except various pump motor needs electric power, also needed thermal source, conventional thermal source has steam, hot water, sun power, GEOTHERMAL WATER and waste hot gas etc.
Current most widely used distillation technique has multistage flash evaporation (MSF), multi-effect distilling (MED) etc.Multistage flash evaporation distillation sea water desalting technology energy consumption is higher, and fouling and etching problem serious.Low-temperature multiple-effect distillation sea water desalting technology development in recent years is very fast, more ripe multi-effect distillation system all uses the method for falling film evaporation, the form of the falling film evaporation of main employing pipe or massive plate falling film evaporation, but its system consumable quantity is large, volume is comparatively large, and initial cost is high, and thermal source be there are certain requirements, its most high evaporation temperature of general requirement is no more than 70 DEG C, otherwise scale problems is serious, influential system performance.
Summary of the invention
For the problems referred to above, the object of the invention is to propose a kind of by the high water treatment device of scale effect, vaporization temperature and method.
For achieving the above object, the present invention takes following technical scheme:
A kind of water treatment device, comprise cylindrical shell, condenser, condensed water collecting device, interchanger, spray equipment and filler, described condenser, spray equipment and filler are arranged in described cylindrical shell, pending water be introduced in described interchanger with thermal source heat exchange, then water vapour is evaporated to by described spray equipment spray to described filling surface part, unevaporated water flow to cylinder body bottom, and described water vapour is directed to described condenser and water coolant to carry out heat exchange and be condensated into water of condensation.
And a kind of water treatment method, it comprises the following steps: heat pending water; By the pending Water spray after heating to filling surface, make it to be evaporated to water vapor.
Described water treatment method, further comprising the steps of: to make the water recovery of evaporating from filler be water of condensation; With the described water of condensation of collection.
Described thermal source is the one in sun power, Geothermal energy, wind energy, industrial exhaust heat, direct combustion hot water and flue gas.
Described condenser and/or interchanger can be the one in plate-fin, fin tube type, detachable plate type, Integral plate type, tubulation shell-and-tube scatterer.
Described condenser can comprise blower fan.
Described spray equipment also can comprise blower fan.
Described filler can be one or more in grid packing, ripple packing, Impulse packing, Raschig ring filler, Pall ring filler, ladder ring packing, recklessly saddle filling, Intalox saddle, metal ring Intalox saddle or Ball-type packing.
Described cylindrical shell can be vertical or horizontal.
The decoration form of described cylindrical shell can be many, in many decoration forms, can adopt multistage or multiple-effect form, in multistage or multiple-effect form, also can adopt series connection or parallel form further.
Described cylindrical shell adopts negative pressure, is beneficial to the pending water evaporation under the condition of high temperature.
In above technical scheme, due to the mode that its evaporative process adopts interchanger to be separated with filler, the former conducts heat, the latter carries out mass transfer, namely pending water absorbs heat in interchanger, then evaporate at the filling surface that specific surface area is very large after spray equipment spray, filler is in negative pressure cylindrical shell.Due to heat and mass transfer separation, can give full play to the large feature of packing specific area and improve vaporization efficiency, the small special construction of filling surface is also conducive to overheated water and carries out nucleate boiling simultaneously; In addition, due to heat and mass transfer separation, various compact heat exchanger can be used to improve heat exchange efficiency, reduce system bulk; Strengthening condensing heat-exchange, condenser adopts many fins compact heat exchanger, is aided with blower fan and carries out forced convection, improves heat exchange efficiency, reduces system bulk.
The present invention is owing to taking above technical scheme, and it has the following advantages:
The problem of easy fouling under 1, overcoming legacy system high temperature.Tradition seawater desalination system fouling major cause is heat and mass when simultaneously carrying out, and evaporation of seawater Shi Yan branch is gathered in water surface of evaporation gradually, particularly serious under high temperature.And native system adopts the form of heat and mass transfer separation, utilize structured packing to evaporate separately, the deposition of salinity is mainly at filling surface, and this can not affect and circulate and system heat exchange property.
2, evaporate, condensation efficiency is high, system bulk is little, compact construction.The packing specific area that system described above adopts is large, and the micro-structure on its surface can become the nucleus of boiling of seawater nucleate boiling under comparatively high temps, improves vaporization efficiency further.Condenser can adopt many fins compact heat exchanger, improves condensation efficiency, reduces system bulk further.
3, the present invention makes steam carry out forced-convection heat transfer on many fins compact heat exchanger surface, enhanced heat exchange efficiency when condensation, is conducive to the water production rate improving unit volume.
4, thermal source of the present invention is flexible, the hot water comprising fire coal, combustion gas, fuel oil and sun power and electrically heated and produce can be selected, the fume afterheat that simultaneously various boiler in industry, process furnace, roasting kiln, smelting furnace, gas furnace, thermal device also can be used to produce.
Water treatment device of the present invention and method not only can be used for sea water desaltination, equally also can be used for the process of sewage and brackish water, extract distilled water that is clean, health, realize being recycled of water resources from sewage or brackish water.
Accompanying drawing explanation
Fig. 1 is single barrel of single-action vertical water treatment unit structural representation
Fig. 2 is single barrel of plural parallel stage vertical water treatment unit structural representation
Fig. 3 is single barrel of single-action horizontal water treatment unit structural representation
Fig. 4 is twin-tub single-action water treatment device structural representation
Fig. 5 is many barrels of plural parallel stage water treatment device structural representations
Fig. 6 is many barrels of plural serial stage water treatment device structural representations
Fig. 7 is another kind of many barrels of plural serial stage water treatment device structural representations
Fig. 8 is many barrels of multiple-effect water treatment device structural representations in parallel
Fig. 9 is many barrels of multiple-effect series connection water treatment device structural representations
Figure 10 is another kind of many barrels of multiple-effect series connection water treatment device structural representation
Figure 11 is single barrel of spray condensation single-action vertical water treatment unit structural representation
Embodiment
1, a kind of single barrel of single-action vertical water treatment unit
As shown in Figure 1, comprise blower fan (1, ) cylindrical shell (2), condenser (3), cooling-water pump (4), condensed water collecting device (9), interchanger (5), spray equipment (8), thermal source water pump (6) and filler (7), described condenser (3), spray equipment (8), be placed in described cylindrical shell (2) from high to low with filler (7), pending water be introduced in described interchanger (5) with thermal source heat exchange, then water vapour is evaporated to by described spray equipment (8) spray to described filler (7) surface portion, unevaporated water is flowed out by cylinder body bottom and mixes with described pending water, then reenter in described interchanger (5) with thermal source heat exchange, described water vapour is directed to described condenser (3) and water coolant to carry out heat exchange and is condensated into water of condensation and flow in condensed water collecting device (9), pending water understood some by discharging after excretion before being introduced into interchanger (5).
The described pending water entered before described interchanger (5) can be introduced described condenser (3), successively as the water coolant of described condenser (3).
2, a kind of single barrel of plural parallel stage vertical water treatment unit
As shown in Figure 2, be with example 1 difference, the many groups spray equipment (8) be arranged in order from top to bottom and filler (7), pending water be introduced in described interchanger (5) with thermal source heat exchange after, be assigned to simultaneously and described organize spray equipment (8) spray and filler (7) on the surface more, many groups spray water part is evaporated to water vapour, and unevaporated water flow to cylinder body bottom.
3, a kind of single barrel of single-action horizontal water treatment unit
As shown in Figure 3, be with example 1 difference, cylindrical shell (2) is for horizontal, two portions are divided into along cylindrical shell (2) length direction, centre is separated by liquid-blocking device (10), spray equipment (8) and filler (7) are arranged in side, opposite side arranged cold condenser (3), blower fan (1).
4, a kind of twin-tub single-action water treatment device
As shown in Figure 4, comprise the first cylindrical shell (12), second cylindrical shell (13), condenser (3), condensed water collecting device (9), reheater (11), interchanger (5), spray equipment (8) and filler (7), described condenser (3) is arranged in described first cylindrical shell (12), described spray equipment (8) and filler (7) are arranged in described second cylindrical shell (13), pending water be introduced in described interchanger (5) with thermal source heat exchange, then surperficial to described filler (7) by described spray equipment (8) spray, part water is evaporated to water vapour, unevaporated water then flow to described second cylindrical shell (13) bottom, mix with described pending water after flowing out, then reenter in described interchanger (5) with thermal source heat exchange, described water vapour is directed to described reheater (11) and carries out heat exchange with water coolant, then be directed to described condenser (3) and water coolant to carry out heat exchange and be condensated into water of condensation, flow in condensed water collecting device (9).
The described pending water entered before described interchanger (5) can be introduced described condenser (3) and described reheater (11) successively, as the water coolant of described condenser (3) and described reheater (11).
5, many barrels of plural parallel stage water treatment device
As shown in Figure 5, comprise the first cylindrical shell (12), condensed water collecting device (9), 3 the second cylindrical shells (13), interchanger (5), be provided with condenser (3) in described first cylindrical shell, in described second cylindrical shell (13), be provided with spray equipment (8) and filler (7); Pending current are after condenser (3), enter described interchanger (5) and thermal source heat exchange, the pending moisture flowed out from described interchanger (5) becomes 3 tunnels to be respectively directed to spray equipment (8) in described 3 the second cylindrical shells, in each second cylindrical shell (13), pending water is surperficial to filler (7) through spray equipment (8) spray, part water is evaporated to water vapour, and unevaporated water flows out through cylinder body bottom; After mixing from the described unevaporated water of i-th the second cylindrical shell (13) bottom outflow with the pending water from described condenser (3), reenter described interchanger (5) and thermal source heat exchange, the described unevaporated water flowed out from the 1st the second cylinder body bottom mixes the spray equipment (8) be again imported into the 1st the second cylindrical shell with the pending water from described interchanger (5), again spray filler (7) surface at the 1st the second cylindrical shell; From filler (7) surface evaporation of each second cylindrical shell described water vapour out after ducts converge, be directed to described condenser (3) and pending water to carry out heat exchange and be condensated into water of condensation, flow in condensed water collecting device (9).Flow out rear section from other two the unevaporated water of the second cylindrical shell through cylinder body bottom to excrete out, component loops flows back to spray equipment (8) and filler (7).
6, many barrels of plural serial stage water treatment device
As shown in Figure 6, comprise the first cylindrical shell (12), condensed water collecting device (9), 3 the second cylindrical shells (13), interchanger (5), be provided with condenser (3) in described first cylindrical shell (12), in the second cylindrical shell (13), be provided with spray equipment (8) and filler (7); pending current are imported into described interchanger (5) and thermal source heat exchange after condenser (3), then be imported in described 3 the second cylindrical shells successively, in described second cylindrical shell (13), pending water from previous second cylindrical shell (13) is surperficial to filler (7) by spray equipment (8) spray, part water is evaporated to water vapour, unevaporated water flows out as the pending water entering next second cylindrical shell (13) through cylinder body bottom, after mixing from the unevaporated water of last the second cylindrical shell (13) bottom outflow with the pending water from described condenser (3), reenter described interchanger (5) and thermal source heat exchange, pending water from described condenser (3) separated 2 branch roads before entering described interchanger (5), the 1st article of branch road is wherein connected to the pipeline between the bottom of the 1st the second cylindrical shell and described 2nd the second cylindrical shell, described 2nd the second cylindrical shell is entered again after the described unevaporated water flowed out from the bottom of described 1st the second cylindrical shell is mixed with the pending water from described condenser, after ducts converge, be directed to described condenser (3) and pending water from filler (7) the surface evaporation described water vapour out of each second cylindrical shell (13) to carry out heat exchange and be condensated into water of condensation, flow in condensed water collecting device (9).
7, another kind of many barrels of plural serial stage water treatment device
As shown in Figure 7, comprise the first cylindrical shell (12), condensed water collecting device (9), 3 the second cylindrical shells (13), interchanger (5), be provided with condenser (3) in described first cylindrical shell (12), in the second cylindrical shell (13), be provided with spray equipment (8) and filler (7), pending current are imported into described interchanger (5) and thermal source heat exchange after condenser (3), then be imported in described 3 the second cylindrical shells successively, in described second cylindrical shell (13), pending water from previous second cylindrical shell (13) is surperficial to filler (7) by spray equipment (8) spray, part water is evaporated to water vapour, unevaporated water flows out as the pending water entering next second cylindrical shell (13) through cylinder body bottom, after mixing from the unevaporated water of last the second cylindrical shell (13) bottom outflow with the pending water from described condenser (3), reenter described interchanger (5) and thermal source heat exchange, circulation like this, after ducts converge, be directed to described condenser (3) and pending water from filler (7) the surface evaporation described water vapour out of each second cylindrical shell (13) to carry out heat exchange and be condensated into water of condensation, flow in condensed water collecting device (9).
8, many barrels of multiple-effect water treatment device in parallel
As shown in Figure 8, comprise the first cylindrical shell (12), condensed water collecting device (9), 3 the second cylindrical shells (13), 3 reheaters (11) and interchanger (5), be provided with condenser (3) in described first cylindrical shell, in each second cylindrical shell (13), be equipped with spray equipment (8) and filler (7); After pending water flows through condenser (3) and the 3rd reheater (11) successively, 3 tunnels are divided to be imported in described interchanger (5) and the 1st to the 2nd reheater (11) respectively, then the described spray equipment (8) in described 1st to the 2nd the second cylindrical shell is imported into respectively, by filler (7) surface in spray to each described second cylindrical shell, part water is evaporated to water vapour, and unevaporated water flow to described each second cylinder body bottom respectively; Water vapour in described 1st to the 2nd the second cylindrical shell (13) is respectively directed to described 1st to the 2nd reheater (11) and carries out heat exchange with pending water, be directed to described condenser (3) and pending water after the water vapour flowed out from described 1st to the 2nd reheater (11) converges to carry out heat exchange and be condensated into water of condensation, flow in condensed water collecting device (9); Imported described interchanger (5) and described 1st to the 2nd reheater (11) respectively after the described unevaporated water flowed out bottom from the 1st to the 2nd the second cylindrical shell (13) mixes with pending water; In described interchanger (5), described pending water and thermal source heat exchange.
9, many barrels of multiple-effect series connection water treatment device
As shown in Figure 9, comprise the first cylindrical shell (12), condensed water collecting device (9), 3 the second cylindrical shells (13), 3 reheaters (11) and interchanger (5), be provided with condenser (3) in described first cylindrical shell, in the second cylindrical shell (13), be provided with spray equipment (8) and filler (7), pending water is imported into described interchanger (5) and thermal source heat exchange after flowing through condenser (3) and the 3rd reheater (11) successively, then filler (7) surface of spray equipment (8) spray to described 1st the second cylindrical shell (13) of the 1st the second cylindrical shell (13) is imported into, part water is evaporated to water vapour, unevaporated water flows out through the bottom of described 1st the second cylindrical shell (13), then after the 1st reheater, be imported into filler (7) surface of spray equipment (8) spray to described 2nd the second cylindrical shell (13) of the 2nd the second cylindrical shell (13), part water is evaporated to water vapour, unevaporated water flows out through the bottom of described 2nd the second cylindrical shell (13), then through the 2nd reheater, by that analogy, pending water is surperficial to filler (7) wherein by spray equipment (7) spray wherein in the 3rd the second cylindrical shell (13), part water is evaporated to water vapour, unevaporated water flows out through described 3rd the second cylindrical shell (13) bottom, after mixing with the pending water from the 3rd reheater (11), reenter described interchanger (5) and thermal source heat exchange, be imported into i-th described reheater (11) from filler (7) the surface evaporation described water vapour out of i-th described second cylindrical shell (11) and flow through pending water heat exchange wherein, i=1,2,3, then be directed to described condenser (3) and pending water after the water vapour flowed out from each reheater (11) and partial condensation water converge to carry out heat exchange and be condensated into water of condensation, flow in condensed water collecting device (9).
10, another kind of many barrels of multiple-effect series connection water treatment device
As shown in Figure 10, be with example 9 difference, pending water from described 3rd reheater (11) separated 2 articles of branch roads before entering described interchanger (5), the 1st article of branch road is wherein connected to the pipeline between the bottom of described 3rd the second cylindrical shell (13) and described 3rd reheater, enters described interchanger (5) after the described unevaporated water flowed out is mixed with the pending water from described 3rd reheater from the bottom of described 3rd the second cylindrical shell (13) again.
11, single barrel of spray condensation single-action vertical water treatment unit
As shown in figure 11, comprise cylindrical shell (2), condensation filler (3), condensing spraying device, preheater (16), condensed water collecting device (9), interchanger (5), evaporation spray equipment (8) and evaporation filler (7), described condensation filler (3), condensing spraying device (15), condensed water collecting device (9), evaporation spray equipment (8) and evaporation filler (7) are arranged in described cylindrical shell (2), pending water be introduced in described interchanger (5) with thermal source heat exchange, then surperficial to described evaporation filler (7) by described evaporation spray equipment (8) spray, part water is evaporated to water vapour, unevaporated water flow to cylinder body bottom, described water vapour is directed to described condensation filler and is condensated into water of condensation, described water of condensation is condensed after water collecting device (9) collection, a part is wherein introduced in described preheater (16), for water pending described in preheating, described water of condensation is directed to described condensing spraying device (15) spray to described condensation filling surface after flowing out from described preheater (16).
The present invention is only described with above-described embodiment; the structure of each parts, setting position and connecting all can change to some extent; on the basis of technical solution of the present invention; all improvement of carrying out individual part according to the principle of the invention and equivalents, all should not get rid of outside protection scope of the present invention.
Claims (15)
1. a water treatment device, comprise cylindrical shell (2), condensation filler, condensing spraying device, preheater (16), condensed water collecting device (9), interchanger (5), evaporation spray equipment (8) and evaporation filler, described condensation filler, condensing spraying device (15), condensed water collecting device (9), evaporation spray equipment (8) and evaporation filler are arranged in described cylindrical shell (2), pending water be introduced in described interchanger (5) with thermal source heat exchange, then by described evaporation spray equipment (8) spray extremely described evaporation filling surface, part water is evaporated to water vapour, unevaporated water flow to cylinder body bottom, described water vapour is directed to described condensation filler and is condensated into water of condensation, described water of condensation is condensed after water collecting device (9) collection, a part is wherein introduced in described preheater (16), for water pending described in preheating, described water of condensation is directed to described condensing spraying device (15) spray to described condensation filling surface after flowing out from described preheater (16), be negative pressure in described cylindrical shell (2).
2. a water treatment device, comprise the first cylindrical shell (12), condensed water collecting device (9), n the second cylindrical shell (13), a n reheater (11) and interchanger (5), be provided with condenser (3) in described first cylindrical shell, in each second cylindrical shell (13), be equipped with spray equipment (8) and filler (7); After pending water flows through condenser (3) and the n-th reheater (11) successively, n road is divided to be imported in described interchanger (5) and the 1 to the (n-1)th reheater (11) respectively, then the described spray equipment (8) in described 1st to the n-th second cylindrical shell is imported into respectively, by filler (7) surface in spray to each described second cylindrical shell, part water is evaporated to water vapour, and unevaporated water flow to described each second cylinder body bottom respectively; Water vapour in described 1st to the n-th second cylindrical shell (13) is respectively directed to described 1 to the n-th reheater (11) and pending water and carries out heat exchange, is directed to described condenser (3) and pending water and carries out heat exchange and be condensated into water of condensation from described 1 to the n-th reheater (11) after the water vapour flowed out converges; Imported described interchanger (5) and described 1 to the (n-1)th reheater (11) respectively after the described unevaporated water of the 1st to the n-th second cylindrical shell (13) bottom outflow mixes with pending water; In described interchanger (5), described pending water and thermal source heat exchange; Be negative pressure in first, second cylindrical shell described (12,13).
3. a water treatment device, comprise the first cylindrical shell (12), condensed water collecting device (9), n the second cylindrical shell (13), a n reheater (11) and interchanger (5), be provided with condenser (3) in described first cylindrical shell, in the second cylindrical shell (13), be provided with spray equipment (8) and filler (7), pending water is imported into described interchanger (5) and thermal source heat exchange after flowing through condenser (3) and the n-th reheater (11) successively, then filler (7) surface of spray equipment (8) spray to described 1st the second cylindrical shell (13) of the 1st the second cylindrical shell (13) is imported into, part water is evaporated to water vapour, unevaporated water flows out through the bottom of described 1st the second cylindrical shell (13), then after the 1st reheater, be imported into filler (7) surface of spray equipment (8) spray to described 2nd the second cylindrical shell (13) of the 2nd the second cylindrical shell (13), part water is evaporated to water vapour, unevaporated water flows out through the bottom of described 2nd the second cylindrical shell (13), then through the 2nd reheater by that analogy, until (n-1)th reheater (11) and the n-th the second cylindrical shells (13), pending water in the n-th the second cylindrical shells (13) by spray equipment (8) spray wherein to filler (7) surface wherein, part water is evaporated to water vapour, unevaporated water flows out through described the n-th the second cylindrical shell (13) bottoms, after mixing with the pending water from the n-th reheater (11), reenter described interchanger (5) and thermal source heat exchange, be imported into i-th described reheater (11) from filler (7) the surface evaporation described water vapour out of i-th described second cylindrical shell (13) and flow through pending water heat exchange wherein, then be directed to described condenser (3) and pending water after the water vapour flowed out from each reheater (11) and partial condensation water converge to carry out heat exchange and be condensated into water of condensation, wherein i=1,2 ..., n-1, be negative pressure in first, second cylindrical shell described (12,13).
4. water treatment device as claimed in claim 3, it is characterized in that, pending water from described n-th reheater (11) separated n-1 bar branch road before entering described interchanger (5), i-th branch road is wherein connected to the pipeline between the bottom of described i-th the second cylindrical shell (13) and described i-th reheater, enter described interchanger (5) again after the described unevaporated water flowed out from the bottom of described i-th the second cylindrical shell (13) is mixed with the pending water from described n-th reheater, wherein i=1,2 ..., n-1; Be negative pressure in first, second cylindrical shell described (12,13).
5. a water treatment device, comprise the first cylindrical shell (12), condensed water collecting device (9), n the second cylindrical shell (13), interchanger (5), be provided with condenser (3) in described first cylindrical shell (12), in described second cylindrical shell (13), be provided with spray equipment (8) and filler (7); Pending current are after condenser (3), enter described interchanger (5) and thermal source heat exchange, the pending moisture flowed out from described interchanger (5) becomes n road to be respectively directed to spray equipment (8) in described n the second cylindrical shell, in each second cylindrical shell (13), pending water is surperficial to filler (7) through spray equipment (8) spray, part water is evaporated to water vapour, and unevaporated water flows out through cylinder body bottom; After mixing from the described unevaporated water of i-th the second cylindrical shell (13) bottom outflow with the pending water from described condenser (3), reenter described interchanger (5) and thermal source heat exchange, the described unevaporated water flowed out from i-th the second cylinder body bottom mixes the spray equipment (8) be again imported into this i-th second cylindrical shell with the pending water from described interchanger (5), again spray this i-th the second cylindrical shell filler (7) surface, wherein i=2,3 ..., n; From filler (7) surface evaporation of each second cylindrical shell described water vapour out after ducts converge, be directed to described condenser (3) and carry out heat exchange with pending water and be condensated into water of condensation; Be negative pressure in first, second cylindrical shell described (12,13).
6. a water treatment device, comprise the first cylindrical shell (12), condensed water collecting device (9), n the second cylindrical shell (13), interchanger (5), be provided with condenser (3) in described first cylindrical shell (12), in the second cylindrical shell (13), be provided with spray equipment (8) and filler (7), pending current are imported into described interchanger (5) and thermal source heat exchange after condenser (3), then be imported in described n the second cylindrical shell successively, in described second cylindrical shell (13), pending water from previous second cylindrical shell (13) is surperficial to filler (7) by spray equipment (8) spray, part water is evaporated to water vapour, unevaporated water flows out as the pending water entering next second cylindrical shell (13) through cylinder body bottom, after mixing from the unevaporated water of last the second cylindrical shell (13) bottom outflow with the pending water from described condenser (3), reenter described interchanger (5) and thermal source heat exchange, circulation like this, after ducts converge, be directed to described condenser (3) and pending water from filler (7) the surface evaporation described water vapour out of each second cylindrical shell (13) to carry out heat exchange and be condensated into water of condensation.
7. water treatment device as claimed in claim 6, it is characterized in that, pending water from described condenser (3) separated n-1 bar branch road before entering described interchanger (5), i-th branch road is wherein connected to the pipeline between the bottom of i-th the second cylindrical shell and described the i-th+1 the second cylindrical shell, enter described the i-th+1 the second cylindrical shell again after the described unevaporated water flowed out from the bottom of described i-th the second cylindrical shell is mixed with the pending water from described condenser, wherein i=1,2 ..., n-1.
8. the water treatment device according to any one of claim 6-7, is characterized in that, is negative pressure in described first cylindrical shell and the second cylindrical shell.
9. the water treatment device according to any one of claim 2-7, is characterized in that, described condenser (3) comprises blower fan (1).
10. the water treatment device according to any one of claim 1-7, is characterized in that, described spray equipment (8) comprises blower fan (1).
11. water treatment device according to any one of claim 1-7, it is characterized in that, described water of condensation is collected by described condensed water collecting device (9).
12. water treatment device according to any one of claim 1-7, it is characterized in that, described condenser (3) and/or interchanger (5) they are plate-fin, one in fin tube type, detachable plate type, Integral plate type, tubulation shell-and-tube scatterer.
13. water treatment device according to any one of claim 1-7, it is characterized in that, described filler (7), evaporation filler, condensation filler are one or more in grid packing, ripple packing, Impulse packing, Raschig ring filler, Pall ring filler, ladder ring packing, recklessly saddle filling, Intalox saddle, metal ring Intalox saddle or Ball-type packing.
14. water treatment device according to any one of claim 1-7, it is characterized in that, described thermal source comprises the one in sun power, Geothermal energy, wind energy, industrial exhaust heat, direct combustion hot water and flue gas.
15. water treatment device according to any one of claim 1-7, it is characterized in that, described pending water comprises seawater, sewage, brackish water.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010202690.0A CN101880068B (en) | 2010-06-18 | 2010-06-18 | Water treatment device and method |
| PCT/CN2011/001011 WO2011157060A1 (en) | 2010-06-18 | 2011-06-17 | Device and method for treating water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010202690.0A CN101880068B (en) | 2010-06-18 | 2010-06-18 | Water treatment device and method |
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| CN101880068A CN101880068A (en) | 2010-11-10 |
| CN101880068B true CN101880068B (en) | 2015-06-17 |
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| CN201010202690.0A Active CN101880068B (en) | 2010-06-18 | 2010-06-18 | Water treatment device and method |
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| WO (1) | WO2011157060A1 (en) |
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| CN101880068B (en) * | 2010-06-18 | 2015-06-17 | 北京青鸾盛昌科技有限公司 | Water treatment device and method |
| CN103170156B (en) * | 2013-04-10 | 2016-08-31 | 北京纬纶华业环保科技股份有限公司 | A kind of low temperature high-efficient energy-saving evaporation crystallization equipment and technique |
| CN104677134B (en) * | 2013-11-30 | 2017-11-24 | 尚立新 | Utilize retracting device and its application method of the waste heat to prepare fresh water and purify air |
| CN104150548B (en) * | 2013-12-24 | 2016-06-22 | 北京大学包头创新研究院 | A kind of seawater desalination system |
| CN107935085A (en) * | 2017-12-25 | 2018-04-20 | 重庆大学 | Circulate tubulation atmospheric evaporator |
| CN108609786B (en) * | 2018-02-22 | 2024-01-05 | 华北水利水电大学 | Evaporation condensation circulation equipment and method for driving brine separation and full recovery of high-salt wastewater by low-quality waste heat |
| CN112696944A (en) * | 2020-12-18 | 2021-04-23 | 苏州市腾中钛设备制造有限公司 | Pre-heater convenient to water yield is adjusted |
| CN115634522A (en) * | 2022-10-20 | 2023-01-24 | 云南曲靖钢铁集团呈钢钢铁有限公司 | Environment-friendly energy-saving type deep purification system and method for flue gas of belt type sintering machine |
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| WO2011157060A1 (en) | 2011-12-22 |
| CN101880068A (en) | 2010-11-10 |
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