CN101921005A - Self-water storage type multi-stage vertical wall falling film condensation and distillation device - Google Patents
Self-water storage type multi-stage vertical wall falling film condensation and distillation device Download PDFInfo
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- CN101921005A CN101921005A CN2010102410661A CN201010241066A CN101921005A CN 101921005 A CN101921005 A CN 101921005A CN 2010102410661 A CN2010102410661 A CN 2010102410661A CN 201010241066 A CN201010241066 A CN 201010241066A CN 101921005 A CN101921005 A CN 101921005A
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- 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
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention relates to a self-water storage type multi-stage vertical wall falling film condensation and distillation device which belongs to the technical field of water treatment. Condensation vertical plates of the distillation device are surrounded on the periphery of a heat storage water tank, an evaporation tank is fixed on the heat storage water tank and the outer walls of the condensation vertical plates, an upper cover plate and a lower cover plate are used for sealing two ends of the distillation device, an excess raw water output pipeline extends into one side which is near to the heat storage water tank and the outer walls of the condensation vertical plates and is communicated with an excess raw water collecting tank positioned below the evaporation tank, and a fresh water output pipeline extends into the side of the inner walls of the condensation vertical plates and is communicated with a fresh water collecting tank positioned at the tail ends of the inner walls of the condensation vertical plates; a raw water inlet pipeline extends to the place above the evaporation tank; an overflow valve is positioned at the top part of the heat storage water tank; a water inlet/outlet valve is positioned at the bottom part of the heat storage water tank; and a heating device extends into a heat-conducting working medium in the heat storage water tank. The device can solve the defects of low energy utilization rate, insufficient condensation of water vapor and great thermal inertia of the raw water of the existing sweater or bitter and salty water desalination device, and has the characteristics of high energy utilization rate and fast and large water yield.
Description
Technical field
The present invention relates to a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus, particularly a kind of condensation riser that utilizes successively is enclosed in the water distilling apparatus that the evaporative condenser structure of forming around the heat storage water tank obtains fresh water, belongs to water-treatment technology field.
Background technology
Fresh water is one of human society base substance of depending on for existence and development.Tellurian Total Water has nearly 1,400,000,000 cubes of kms approximately.Yet, the seawater that saltness is very high has occupied more than 97% of Total Water on the earth, only the Sheng fresh water less than 3% also has 3/4 to be frozen in the glacier of the two poles of the earth of the earth and severe cold areas, the remaining river, lake and can be for the human fresh groundwater that directly utilizes less than 0.36% of being present in.With regard to the occupancy volume per person, China is a poor country aspect Freshwater resources, and the per capita water yield only occupies the 88th of the world.Therefore, solving the under-supply of fresh water is the severe problem that China faces.In order to increase the supply of fresh water, except adopting conventional measure, outside diversion nearby or interbasin water diversion, a favourable approach is exactly to carry out the desalination of seawater or brackish water nearby, disperses and remote regional all the more so for some water consumptions.
The method that seawater is desalinated is a lot, but conventional method as distillation method, ion exchange method, dialysis, reverse osmosis membrane and cold method etc., all will consume a large amount of fuel or electric power.It is reported that now the whole world is used for sea water desaltination need consumes about 100,000,000 3 thousand ten thousand tons of crude oil every year.Even people are affordable the expense of this fuel, the Greenhouse effect of the earth, atmospheric pollution etc. also bulletin people must be acted with caution.Therefore, seeking to wait with sun power or other industrial exhaust heats and carry out sea water desaltination, is to solve that fresh water lacks or one of under-supply important channel.
The sea water desalinating plant of China's use at present mainly contains two classes, and the first is large-scale sea water desalinating plant representative, that combine with big power station (comprising the boiling type sea water desalinating plant that uses on ocean-going vessel and the capital ship) with the multistage flash evaporation; It two is to be the diaphragm type sea water desalinating plant of representative with the reverse osmosis membrane.More than two class devices its shortcoming is all arranged, the former is unfavorable for miniaturization, and need to consume a large amount of heat energy; The latter needs strict sea water preprocessing, need to consume a large amount of electric energy, and the work-ing life of its film is shorter, thereby the running cost of device is higher.In addition, the storage of seawater is too many in the two class devices, causes its thermal lag big, has limited the reduction of its operating temperature; The latent heat of condensation of steam is not repeated to utilize, thereby has limited its performance.Therefore develop middle-size and small-size, can utilize that sun power or other industrial exhaust heats (such as diesel residual heat on the medium and small type ship) drive efficiently tightly to play formula seawater (or brackish water) desalting equipment be the hot issue in this field always.But there are the problems such as water outlet time that capacity usage ratio is low, condensation is insufficient, former hydro-thermal inertia is excessive and prolonged device in the desalting equipment that utilizes sun power or other industrial exhaust heats to drive at present.
Summary of the invention
The objective of the invention is low for the desalting equipment capacity usage ratio that overcomes seawater in the prior art or brackish water, water vapor condensation is insufficient, the big defective of former hydro-thermal inertia, and a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus is provided.Described water distilling apparatus utilizes the condensation riser successively to be enclosed in to form the evaporative condenser structure around the heat storage water tank, can make full use of the heat supply of heat storage water tank, and the recycling vapor condenses latent heat that becomes the fresh water process to emit, reduce the thermal lag of former water simultaneously, had capacity usage ratio height, the fast and big characteristics of water production rate.In addition, described water distilling apparatus adopts the evaporator tank of multilayer sulculus formula structure, realizes from the water storage function.
For solving the problems of the technologies described above, the invention provides following technical proposals:
A kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus comprises: excessive former water delivery pipe road, excessive former water collecting groove, heat storage water tank, evaporator tank, upper cover plate, condensation riser, surplus valve, former water suction culvert, fresh water receiving tank, lower cover, fresh water delivery conduit and advance/water discharge valve; Described heat storage water tank is positioned at the center of described water distilling apparatus, and inside is filled with heat-conducting work medium; Innermost layer is that the first layer condensation riser is enclosed in the heat storage water tank outside, and all the other each layer condensation risers are enclosed in the last layer condensation riser outside successively; Evaporator tank is fixedly connected on heat storage water tank outer wall and the condensation riser outer wall; Outermost layer condensation riser is the shell of described water distilling apparatus, its no evaporator tank in outside; The upper end of heat storage water tank and condensation riser is connected with upper cover plate is airtight, and the lower end of heat storage water tank and condensation riser is connected with lower cover is airtight; Each bar branch road on excessive former water delivery pipe road passes lower cover respectively, stretches into close heat storage water tank outer wall one side between heat storage water tank and the innermost layer condensation riser, and close condensation riser outer wall one side (not comprising outermost layer condensation riser) between each layer condensation riser; Excessive former water collecting groove is positioned at the below of the terminal lattice evaporator tank of heat storage water tank outer wall, and the below (not comprising outermost layer condensation riser) of the terminal lattice evaporator tank of condensation riser outer wall, and excessive former water collecting groove is communicated with the branch road on excessive former water delivery pipe road; Each bar branch road of fresh water delivery conduit passes lower cover respectively, stretch between heat storage water tank and the innermost layer condensation riser near heat storage water tank inwall one side, and between each layer condensation riser near a side of condensation riser inwall; The fresh water receiving tank is positioned at condensation riser inwall end, is communicated with the branch road of fresh water delivery conduit; Each bar branch road of former water suction culvert passes upper cover plate respectively, stretches into the top of heat storage water tank and condensation riser outer wall top one lattice evaporator tank; Surplus valve is positioned at the top of heat storage water tank; Advance/water discharge valve is positioned at the bottom of heat storage water tank; The fire end of heating unit stretches in the heat-conducting work medium of heat storage water tank.
Wherein, the horizontal section of described heat storage water tank is an arbitrary shape, is preferably circle, ellipse, rectangle or trilateral; Heat-conducting work medium in the heat storage water tank is the liquid of the good and stable chemical performance of heat conduction flowing property, is preferably water.
Described condensation riser is more than 1 layer; The wall of condensation riser is shaped as and is straight line or various curve, the single or mixing use of the condensation riser of various wall shapes; The horizontal section of condensation riser can have any shape, and is preferably circle, ellipse, rectangle or trilateral; The material of condensation riser is the material that thermal conductivity is good, mechanical property is good, heat-and corrosion-resistant is good, is preferably glass, copper or stainless steel plate, the single or mixing use of the condensation riser of unlike material.
Described evaporator tank is more than 1 lattice, and each lattice evaporator tank is arranged on heat storage water tank outer wall and condensation riser outer wall from top to bottom; The vertical cross-section of evaporator tank be shaped as make its can water storage and institute's water storage can with the contacted arbitrary shape in condensation heat transfer interface, the vertical cross-section shape of evaporator tank (4) is preferably trilateral or rectangle.
Per 1 lattice evaporator tank outer is provided with 1 guiding device, after this guiding device makes that the former water in per 1 lattice evaporator tank is full, the former water that overflows can flow in the one lattice evaporator tank of below automatically, carry out successively, all fill former water until every lattice evaporator tank, make former water in the evaporator tank fully cover the outer wall of whole condensation riser and heat storage water tank; Guiding device is more than 1; Guiding device be gap type guiding device, circular hole formula guiding device, slot type guiding device or tubular type guiding device one of them.
Described excessive former water collecting groove is more than 1; The fresh water receiving tank is more than 1.
The thermal source of described heat storage water tank heating unit is preferably the heat energy that heat energy that solar energy heat collector collects, heat energy that trade effluent carries or industrial gaseous waste carry.
A kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus of the present invention is when work: the former water in the described evaporator tank is imported through suction culvert, and every lattice evaporator tank is filled up, and makes former water fully cover the outer wall of whole heat storage water tank and condensation riser; Start heating unit and produce heat, heat heats the heat-conducting work medium in the heat storage water tank by the fire end of heating unit, heat transfers heat to the outer wall of heat storage water tank by the inwall of heat storage water tank, former water on the outer wall of heating heat storage water tank in the evaporator tank, former water in the described evaporator tank is heated, be evaporated on the innermost layer condensation riser inwall adjacent with heat storage water tank, steam cools off the generation fresh water that condenses on innermost layer condensation riser inwall, discharge the outer wall that latent heat passes to innermost layer condensation riser simultaneously, former water on the heating innermost layer condensation riser outer wall in the evaporator tank, former water in the described evaporator tank is heated, be evaporated on the second layer condensation riser inwall that is adjacent, steam cools off the generation fresh water that condenses on second layer condensation riser inwall, discharge the outer wall that latent heat passes to second layer condensation riser simultaneously, former water in the evaporator tank on the heating second layer condensation riser outer wall, heat energy is being utilized between heat storage water tank and the innermost layer condensation riser and between each layer condensation riser by this way step by step, and the outermost layer condensation riser wall of finally flowing through is dissipated in the atmosphere.Described fresh water flow to the fresh water receiving tank along condensation riser inwall, exports outside the water distilling apparatus by the fresh water delivery conduit that the fresh water receiving tank links to each other; The former water that evaporates is supplemented in the evaporator tank by former water suction culvert input; Heat-conducting work medium in the described heat storage water tank is by advancing/the water discharge valve I/O; The pressure of heat-conducting work medium is controlled by surplus valve in the heat storage water tank.
Beneficial effect
1. use the riser condensation to substitute traditional transverse slat condensation, the condensation process thermal resistance is little;
2. the riser of condensation simultaneously successively is enclosed in around the heat storage water tank, and heat lost by radiation is little, has farthest utilized the heat of heat storage water tank supply, and has reused the latent heat of condensation of water vapour, greatly reduces the thermal capacity of evaporator tank Central Plains water;
3. calorific loss is little, and capacity usage ratio height, water production rate are soon and greatly;
4. system architecture compactness, floor space is little, and independence is good, and operating maintenance is easy.
Description of drawings
Fig. 1 for the structural representation of a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus of the present invention 1..
Fig. 2 be described Fig. 1 A-A direction horizontal sectional drawing 1..
Fig. 3 be described Fig. 1 A-A direction horizontal sectional drawing 2..
Fig. 4 be described Fig. 1 A-A direction horizontal sectional drawing 3..
Fig. 5 for the structural representation of a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus of the present invention 2..
Fig. 6 for the structural representation of a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus of the present invention 3..
Fig. 7 is the structural representation of a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus of solar energy collector for heating unit.
Fig. 8 is the structural representation of a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus of pipe line for heating unit.
Fig. 9 is the structural representation of a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus of heating rod for heating unit.
The gap type guiding device left view partial enlarged drawing of Figure 10 for representing with I among described Fig. 1,5,6,7,8,9.
The circular hole formula guiding device left view partial enlarged drawing of Figure 11 for representing with I among described Fig. 1,5,6,7,8,9.
The slot type guiding device left view partial enlarged drawing of Figure 12 for representing with I among described Fig. 1,5,6,7,8,9.
The tubular type guiding device left view partial enlarged drawing of Figure 13 for representing with I among described Fig. 1,5,6,7,8,9.
Among the figure: the excessive former water delivery pipe of 1-road, the excessive former water collecting groove of 2-, 3-heat storage water tank, the 4-evaporator tank, 5-upper cover plate, 6-condensation riser, the 7-surplus valve, the former water suction culvert of 8-, 9-fresh water receiving tank, the 10-lower cover, 11-fresh water delivery conduit, 12-advances, water discharge valve, the 13-guiding device, the 14-heating unit, the 15-recycle pump.
Embodiment
Below in conjunction with accompanying drawing preferred implementation of the present invention is described in further detail
Shown in Figure of description 7, accompanying drawing 2 and accompanying drawing 12, a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus of present embodiment comprises excessive former water delivery pipe road 1, excessive former water collecting groove 2, heat storage water tank 3, evaporator tank 4, upper cover plate 5, condensation riser 6, surplus valve 7, former water suction culvert 8, fresh water receiving tank 9, lower cover 10, fresh water delivery conduit 11, advances/water discharge valve 12, guiding device 13 and heating unit 14.
Described heat storage water tank 3 is positioned at the center of described water distilling apparatus, and inside is filled with heat-conducting work medium; Innermost layer is that the first layer condensation riser 6 is enclosed in heat storage water tank 3 outsides, and all the other each layer condensation risers 6 are enclosed in last layer condensation riser 6 outsides successively; Evaporator tank 4 is fixedly connected on heat storage water tank 3 outer walls and condensation riser 6 outer walls, and per 1 lattice evaporator tank 4 outers are provided with 1 guiding device 13; Outermost layer condensation riser 6 is the shell of described water distilling apparatus, its no evaporator tank 4 in outside; The upper end of heat storage water tank 3 and condensation riser 6 and 5 airtight connections of upper cover plate, the lower end of heat storage water tank 3 and condensation riser 6 and 10 airtight connections of lower cover; Each bar branch road on excessive former water delivery pipe road 1 passes lower cover 10 respectively, stretch into close heat storage water tank 3 outer walls one side between heat storage water tank 3 and the innermost layer condensation riser 6, and close condensation riser 6 outer walls one side (not comprising outermost layer condensation riser 6) between each layer condensation riser 6; Excessive former water collecting groove 2 is positioned at the below of the terminal lattice evaporator tank 4 of heat storage water tank 3 outer walls, and the below (not comprising outermost layer condensation riser 6) of the terminal lattice evaporator tank 4 of condensation riser 6 outer walls, excessive former water collecting groove 2 is communicated with the branch road on excessive former water delivery pipe road 1; Each bar branch road of fresh water delivery conduit 11 passes lower cover 10 respectively, stretch between heat storage water tank 3 and the innermost layer condensation riser 6 near heat storage water tank 3 inwalls one side, and between each layer condensation riser 6 near a side of condensation riser 6 inwalls; Fresh water receiving tank 9 is positioned at condensation riser 6 inwall ends, is communicated with the branch road of fresh water delivery conduit 11; Each bar branch road of former water suction culvert 8 passes upper cover plate 5 respectively, stretches into the top of heat storage water tank 3 and condensation riser 6 outer wall tops one lattice evaporator tank 4; Surplus valve 7 is positioned at the top of heat storage water tank 3; Advance/water discharge valve 12 is positioned at the bottom of heat storage water tank 3; The fire end of heating unit 14 stretches in the heat-conducting work medium of heat storage water tank 3.
Wherein, described heat storage water tank 3: horizontal section circle, heat-conducting work medium wherein are former water; Condensation riser 6: the number of plies is 3 layers, and wall is shaped as straight line, and the horizontal section is circular; The material of outermost layer condensation riser 6 is a glass, and the material of other two-layer condensation riser 6 is a stainless steel; Evaporator tank 4: vertical cross-section is the trilateral of 45 degree; 16 lattice evaporator tanks 4 are arranged on heat storage water tank 3 outer walls, 8 lattice evaporator tanks 4 are arranged on condensation riser 6 outer walls, each lattice evaporator tank 4 is arranged on heat storage water tank 3 outer walls and condensation riser 6 outer walls from top to bottom, and per 1 lattice evaporator tank 4 outers are provided with 1 slot type guiding device 13; Excessive former water collecting groove 2 is 3; Fresh water receiving tank 9 is 3; Described heating unit 14 is a solar energy collector.
A kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus of present embodiment is when work: the former water in the described evaporator tank 4 fills up every lattice evaporator tank 4 through suction culvert 8 inputs, makes former water fully cover the outer wall of whole heat storage water tank 3 and condensation riser 6; Heating unit 14, be that solar energy collector is collected solar energy and it efficiently is converted into heat energy, when heat-conducting work medium process heating unit 14 inside, take away device 14 and collect the heat energy that obtains, self temperature raises, heat-conducting work medium is under the driving of recycle pump 15, enter into heat storage water tank 3, heat-conducting work medium transfers heat to heat storage water tank 3 outer walls with self-contained heat by heat storage water tank 3 inwalls, former water on heating heat storage water tank 3 outer walls in the evaporator tank 4, heat-conducting work medium self temperature reduces, the device 14 absorbed inside heats of flowing through again; Former water in the described evaporator tank 4 is heated, be evaporated on innermost layer condensation riser 6 inwalls adjacent with heat storage water tank 3, steam cools off the generation fresh water that condenses on innermost layer condensation riser 6 inwalls, discharge the outer wall that latent heat passes to innermost layer condensation riser 6 simultaneously, former water on heating innermost layer condensation riser 6 outer walls in the evaporator tank 4, former water in the described evaporator tank 4 is heated, be evaporated on second layer condensation riser 6 inwalls that are adjacent, steam cools off the generation fresh water that condenses on second layer condensation riser 6 inwalls, discharge the outer wall that latent heat passes to second layer condensation riser 6 simultaneously, former water in the evaporator tank 4 on heating second layer condensation riser 6 outer walls, heat energy is utilized between heat storage water tank 3 and 3 layers of condensation riser 6 by this way step by step, and the outermost layer condensation riser 6 of flowing through the most at last is dissipated in the atmosphere.Described fresh water flow to fresh water receiving tank 9 along condensation riser 6 inwalls, outside the fresh water delivery conduit 11 output water distilling apparatus that link to each other with fresh water receiving tank 9; The former water that evaporates is supplemented in the evaporator tank 4 by former water suction culvert 8 inputs; Heat-conducting work medium in the described heat storage water tank 3 is by advancing/water discharge valve 12 I/O; The pressure of heat-conducting work medium is controlled by surplus valve 7 in the heat storage water tank 3.
In addition, according to Figure of description 7, accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, accompanying drawing 6, accompanying drawing 10, accompanying drawing 11 and accompanying drawing 13, those skilled in the art can easily carry out simple equivalence and replace distortion, replace with square the heat storage water tank 3 in embodiment 1 described a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus and the horizontal section of condensation riser 6 or trilateral; Condensation riser 6 wall shapes are replaced with corrugated, this moment, evaporator tank 4 vertical cross-sections were shaped as trapezoid, and condensation riser 6 wall shapes are replaced with flap shape, and this moment, the shape of cross section of evaporator tank 4 was an obtuse triangle; Guiding device 13 is replaced with circular hole formula, slot type or tubular type guiding device 13.
Shown in Figure of description 8, accompanying drawing 3 and accompanying drawing 11, a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus of present embodiment comprises excessive former water delivery pipe road 1, excessive former water collecting groove 2, heat storage water tank 3, evaporator tank 4, upper cover plate 5, condensation riser 6, surplus valve 7, former water suction culvert 8, fresh water receiving tank 9, lower cover 10, fresh water delivery conduit 11, advances/water discharge valve 12, guiding device 13 and heating unit 14.
Described heat storage water tank 3 is positioned at the center of described water distilling apparatus, and inside is filled with heat-conducting work medium; Innermost layer is that the first layer condensation riser 6 is enclosed in heat storage water tank 3 outsides, and all the other each layer condensation risers 6 are enclosed in last layer condensation riser 6 outsides successively; Evaporator tank 4 is fixedly connected on heat storage water tank 3 outer walls and condensation riser 6 outer walls, and per 1 lattice evaporator tank 4 outers are provided with 1 guiding device 13; Outermost layer condensation riser 6 is the shell of described water distilling apparatus, its no evaporator tank 4 in outside; The upper end of heat storage water tank 3 and condensation riser 6 and 5 airtight connections of upper cover plate, the lower end of heat storage water tank 3 and condensation riser 6 and 10 airtight connections of lower cover; Each bar branch road on excessive former water delivery pipe road 1 passes lower cover 10 respectively, stretch into close heat storage water tank 3 outer walls one side between heat storage water tank 3 and the innermost layer condensation riser 6, and close condensation riser 6 outer walls one side (not comprising outermost layer condensation riser 6) between each layer condensation riser 6; Excessive former water collecting groove 2 is positioned at the below of the terminal lattice evaporator tank 4 of heat storage water tank 3 outer walls, and the below (not comprising outermost layer condensation riser 6) of the terminal lattice evaporator tank 4 of condensation riser 6 outer walls, excessive former water collecting groove 2 is communicated with the branch road on excessive former water delivery pipe road 1; Each bar branch road of fresh water delivery conduit 11 passes lower cover 10 respectively, stretch between heat storage water tank 3 and the innermost layer condensation riser 6 near heat storage water tank 3 inwalls one side, and between each layer condensation riser 6 near a side of condensation riser 6 inwalls; Fresh water receiving tank 9 is positioned at condensation riser 6 inwall ends, is communicated with the branch road of fresh water delivery conduit 11; Each bar branch road of former water suction culvert 8 passes upper cover plate 5 respectively, stretches into the top of heat storage water tank 3 and condensation riser 6 outer wall tops one lattice evaporator tank 4; Surplus valve 7 is positioned at the top of heat storage water tank 3; Advance/water discharge valve 12 is positioned at the bottom of heat storage water tank 3; The fire end of heating unit 14 stretches in the heat-conducting work medium of heat storage water tank 3.
Wherein, described heat storage water tank 3: the horizontal section is square, and heat-conducting work medium wherein is former water; Condensation riser 6: the number of plies is 3 layers, and wall is shaped as straight line, and the horizontal section is square; The material of condensation riser 6 is a stainless steel; Evaporator tank 4: vertical cross-section is the trilateral of 45 degree; 16 lattice evaporator tanks 4 are arranged on heat storage water tank 3 outer walls, 8 lattice evaporator tanks 4 are arranged on condensation riser 6 outer walls, each lattice evaporator tank 4 is arranged on heat storage water tank 3 outer walls and condensation riser 6 outer walls from top to bottom, and per 1 lattice evaporator tank 4 outers are provided with 1 circle hole shape guiding device 13; Excessive former water collecting groove 2 is 3; Fresh water receiving tank 9 is 3; Described heating unit 14 is a pipe line.
A kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus of present embodiment is when work: the former water in the described evaporator tank 4 fills up every lattice evaporator tank 4 through suction culvert 8 inputs, makes former water fully cover the outer wall of whole heat storage water tank 3 and condensation riser 6; The trade effluent that surpasses 60 ℃ is in the pipe line by recycle pump 15 feeding heating units 14, the former water of heat-conducting work medium that pipe line stretches in the heat storage water tank 3 carries out heat exchange, heat-conducting work medium self temperature raises, heat-conducting work medium transfers heat to heat storage water tank 3 outer walls with self-contained heat by heat storage water tank 3 inwalls, former water on heating heat storage water tank 3 outer walls in the evaporator tank 4, former water in the described evaporator tank 4 is heated, be evaporated on innermost layer condensation riser 6 inwalls adjacent with heat storage water tank 3, steam cools off the generation fresh water that condenses on innermost layer condensation riser 6 inwalls, discharge the outer wall that latent heat passes to innermost layer condensation riser 6 simultaneously, former water on heating innermost layer condensation riser 6 outer walls in the evaporator tank 4, former water in the described evaporator tank 4 is heated, be evaporated on second layer condensation riser 6 inwalls that are adjacent, steam cools off the generation fresh water that condenses on second layer condensation riser 6 inwalls, discharge the outer wall that latent heat passes to second layer condensation riser 6 simultaneously, former water in the evaporator tank 4 on heating second layer condensation riser 6 outer walls, heat energy is utilized between heat storage water tank 3 and 3 layers of condensation riser 6 by this way step by step, and the outermost layer condensation riser 6 of flowing through the most at last is dissipated in the atmosphere.Described fresh water flow to fresh water receiving tank 9 along condensation riser 6 inwalls, outside the fresh water delivery conduit 11 output water distilling apparatus that link to each other with fresh water receiving tank 9; The former water that evaporates is supplemented in the evaporator tank 4 by former water suction culvert 8 inputs; Heat-conducting work medium in the described heat storage water tank 3 is by advancing/water discharge valve 12 I/O; The pressure of heat-conducting work medium is controlled by surplus valve 7 in the heat storage water tank 3.
In addition, according to Figure of description 8, accompanying drawing 2, accompanying drawing 4, accompanying drawing 5, accompanying drawing 6, accompanying drawing 10, accompanying drawing 12 and accompanying drawing 13, those skilled in the art can easily carry out simple equivalence and replace distortion, and the heat storage water tank 3 in embodiment 2 described a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus and the horizontal section of condensation riser 6 are replaced with circle or trilateral; Condensation riser 6 wall shapes are replaced with corrugated, this moment, evaporator tank 4 shape of cross sections were trapezoid, and condensation riser 6 wall shapes are replaced with flap shape, and this moment, the shape of cross section of evaporator tank 4 was an obtuse triangle; Guiding device 13 is replaced with gap type, slot type or tubular type guiding device 13, and the thermal source of heating unit 14 replaces with the industrial gaseous waste more than 60 ℃.
Shown in Figure of description 9, accompanying drawing 3 and accompanying drawing 10, a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus of present embodiment comprises excessive former water delivery pipe road 1, excessive former water collecting groove 2, heat storage water tank 3, evaporator tank 4, upper cover plate 5, condensation riser 6, surplus valve 7, former water suction culvert 8, fresh water receiving tank 9, lower cover 10, fresh water delivery conduit 11, advances/water discharge valve 12, counterflow unit 13 and heating unit 14.
Described heat storage water tank 3 is positioned at the center of described water distilling apparatus, and inside is filled with heat-conducting work medium; Innermost layer is that the first layer condensation riser 6 is enclosed in heat storage water tank 3 outsides, and all the other each layer condensation risers 6 are enclosed in last layer condensation riser 6 outsides successively; Evaporator tank 4 is fixedly connected on heat storage water tank 3 outer walls and condensation riser 6 outer walls, and per 1 lattice evaporator tank 4 outers are provided with 1 guiding device 13; Outermost layer condensation riser 6 is the shell of described water distilling apparatus, its no evaporator tank 4 in outside; The upper end of heat storage water tank 3 and condensation riser 6 and 5 airtight connections of upper cover plate, the lower end of heat storage water tank 3 and condensation riser 6 and 10 airtight connections of lower cover; Each bar branch road on excessive former water delivery pipe road 1 passes lower cover 10 respectively, stretch into close heat storage water tank 3 outer walls one side between heat storage water tank 3 and the innermost layer condensation riser 6, and close condensation riser 6 outer walls one side (not comprising outermost layer condensation riser 6) between each layer condensation riser 6; Excessive former water collecting groove 2 is positioned at the below of the terminal lattice evaporator tank 4 of heat storage water tank 3 outer walls, and the below (not comprising outermost layer condensation riser 6) of the terminal lattice evaporator tank 4 of condensation riser 6 outer walls, excessive former water collecting groove 2 is communicated with the branch road on excessive former water delivery pipe road 1; Each bar branch road of fresh water delivery conduit 11 passes lower cover 10 respectively, stretch between heat storage water tank 3 and the innermost layer condensation riser 6 near heat storage water tank 3 inwalls one side, and between each layer condensation riser 6 near a side of condensation riser 6 inwalls; Fresh water receiving tank 9 is positioned at condensation riser 6 inwall ends, is communicated with the branch road of fresh water delivery conduit 11; Each bar branch road of former water suction culvert 8 passes upper cover plate 5 respectively, stretches into the top of heat storage water tank 3 and condensation riser 6 outer wall tops one lattice evaporator tank 4; Surplus valve 7 is positioned at the top of heat storage water tank 3; Advance/water discharge valve 12 is positioned at the bottom of heat storage water tank 3; The fire end of heating unit 14 stretches in the heat-conducting work medium of heat storage water tank 3.
Wherein, described heat storage water tank 3: the horizontal section is square, and heat-conducting work medium wherein is former water; Condensation riser 6: the number of plies is 3 layers, and wall is shaped as straight line, and the horizontal section is square; The material of condensation riser 6 is a stainless steel; Evaporator tank 4: vertical cross-section is the trilateral of 45 degree; 16 lattice evaporator tanks 4 are arranged on heat storage water tank 3 outer walls, 8 lattice evaporator tanks 4 are arranged on condensation riser 6 outer walls, each lattice evaporator tank 4 is arranged on heat storage water tank 3 outer walls and condensation riser 6 outer walls from top to bottom, and per 1 lattice evaporator tank 4 outers are provided with 1 gap type guiding device 13; Excessive former water collecting groove 2 is 3; Fresh water receiving tank 9 is 3; Described heating unit 14 is a heating rod.
A kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus of present embodiment is when work: the former water in the described evaporator tank 4 fills up every lattice evaporator tank 4 through suction culvert 8 inputs, makes former water fully cover the outer wall of whole heat storage water tank 3 and condensation riser 6; Starting heating unit 14 is the power supply of heating rod, make the heating rod heating, carry out heat exchange with the former water of the heat-conducting work medium in the heat storage water tank 3, heat-conducting work medium self temperature raises, heat-conducting work medium transfers heat to heat storage water tank 3 outer walls with self-contained heat by heat storage water tank 3 inwalls, former water on heating heat storage water tank 3 outer walls in the evaporator tank 4, former water in the described evaporator tank 4 is heated, be evaporated on innermost layer condensation riser 6 inwalls adjacent with heat storage water tank 3, steam cools off the generation fresh water that condenses on innermost layer condensation riser 6 inwalls, discharge the outer wall that latent heat passes to innermost layer condensation riser 6 simultaneously, former water on heating innermost layer condensation riser 6 outer walls in the evaporator tank 4, former water in the described evaporator tank 4 is heated, be evaporated on second layer condensation riser 6 inwalls that are adjacent, steam cools off the generation fresh water that condenses on second layer condensation riser 6 inwalls, discharge the outer wall that latent heat passes to second layer condensation riser 6 simultaneously, former water in the evaporator tank 4 on heating second layer condensation riser 6 outer walls, heat energy is utilized between heat storage water tank 3 and 3 layers of condensation riser 6 by this way step by step, and the outermost layer condensation riser 6 of flowing through the most at last is dissipated in the atmosphere.Described fresh water flow to fresh water receiving tank 9 along condensation riser 6 inwalls, outside the fresh water delivery conduit 11 output water distilling apparatus that link to each other with fresh water receiving tank 9; The former water that evaporates is supplemented in the evaporator tank 4 by former water suction culvert 8 inputs; Heat-conducting work medium in the described heat storage water tank 3 is by advancing/water discharge valve 12 I/O; The pressure of heat-conducting work medium is controlled by surplus valve 7 in the heat storage water tank 3.
In addition, according to Figure of description 9, accompanying drawing 2, accompanying drawing 4, accompanying drawing 5, accompanying drawing 6, accompanying drawing 11, accompanying drawing 12 and accompanying drawing 13, those skilled in the art can easily carry out simple equivalence and replace distortion, and the heat storage water tank 3 in embodiment 2 described a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus and the horizontal section of condensation riser 6 are replaced with circle or trilateral; Condensation riser 6 wall shapes are replaced with corrugated, this moment, evaporator tank 4 shape of cross sections were trapezoid, and condensation riser 6 wall shapes are replaced with flap shape, and this moment, the shape of cross section of evaporator tank 4 was an obtuse triangle; Guiding device 13 is replaced with gap type, circular hole formula or tubular type guiding device 13.
Described embodiments of the present invention though combine accompanying drawing, to those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also make some distortion and improvement, these also should be considered as belonging to protection scope of the present invention.
Claims (15)
1. self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus, comprise excessive former water delivery pipe road (1), excessive former water collecting groove (2), heat storage water tank (3), evaporator tank (4), upper cover plate (5), condensation riser (6), surplus valve (7), former water suction culvert (8), fresh water receiving tank (9), lower cover (10), fresh water delivery conduit (11) and advance/water discharge valve (12), it is characterized in that: described heat storage water tank (3) is positioned at the center of described water distilling apparatus, and inside is filled with heat-conducting work medium; Innermost layer is that the first layer condensation riser (6) is enclosed in heat storage water tank (3) outside, and all the other each layer condensation risers (6) are enclosed in last layer condensation riser (6) outside successively; Evaporator tank (4) is fixedly connected on heat storage water tank (3) outer wall and condensation riser (6) outer wall; Outermost layer condensation riser (6) is the shell of described water distilling apparatus, its outside no evaporator tank (4); The upper end of heat storage water tank (3) and condensation riser (6) and airtight connection of upper cover plate (5), the lower end and airtight connection of lower cover (10) of heat storage water tank (3) and condensation riser (6); Each bar branch road on excessive former water delivery pipe road (1) passes lower cover (10) respectively, stretch between heat storage water tank (3) and the innermost layer condensation riser (6) a side near heat storage water tank (3) outer wall, and between each layer condensation riser (6) near a side of condensation riser (6) outer wall; Excessive former water collecting groove (2) is positioned at the below of the terminal lattice evaporator tank (4) of heat storage water tank (3) outer wall, and the below of the terminal lattice evaporator tank (4) of condensation riser (6) outer wall, excessive former water collecting groove (2) is communicated with the branch road on excessive former water delivery pipe road (1); Each bar branch road of fresh water delivery conduit (11) passes lower cover (10) respectively, stretch between heat storage water tank (3) and the innermost layer condensation riser (6) a side near heat storage water tank (3) inwall, and between each layer condensation riser (6) near an end of condensation riser (6) inwall; Fresh water receiving tank (9) is positioned at condensation riser (6) inwall end, is communicated with the branch road of fresh water delivery conduit (11); Each bar branch road of former water suction culvert (8) passes upper cover plate (5) respectively, stretches into the top of heat storage water tank (3) and condensation riser (6) outer wall top one lattice evaporator tank (4); Surplus valve (7) is positioned at the top of heat storage water tank (3); Enter/water discharge valve the bottom that (12) are positioned at heat storage water tank (3); The fire end of heating unit (14) stretches in the heat-conducting work medium of heat storage water tank (3).
2. a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus according to claim 1 is characterized in that: the horizontal section of described heat storage water tank (3) is an arbitrary shape, is preferably circle, ellipse, rectangle or trilateral.
3. a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus according to claim 1 and 2 is characterized in that: the heat-conducting work medium in the heat storage water tank (3) is the liquid of the good and stable chemical performance of heat conduction flowing property, is preferably water.
4. a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus according to claim 1 is characterized in that: described condensation riser (6) is more than 1 layer.
5. according to claim 1 or 4 described a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus, it is characterized in that: the wall of the condensation riser of telling (6) is shaped as straight line or various curve.
6. according to claim 1 or 4 described a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus, it is characterized in that: the single or mixing use of the condensation riser (6) of various wall shapes.
7. according to claim 1 or 4 described a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus, it is characterized in that: the horizontal section of described condensation riser (6) is an arbitrary shape, is preferably circle, ellipse, rectangle or trilateral.
8. according to claim 1 or 4 described a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus, it is characterized in that: the material of described condensation riser (6) is the material that thermal conductivity is good, mechanical property is good, heat-and corrosion-resistant is good, is preferably glass, copper or stainless steel plate.
9. according to claim 1 or 4 described a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus, it is characterized in that: the single or mixing use of the condensation riser (6) of unlike material.
10. a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus according to claim 1, it is characterized in that: described evaporator tank (4) is more than 1 lattice, and each lattice evaporator tank (4) is arranged on heat storage water tank (3) outer wall and condensation riser (6) outer wall from top to bottom.
11. according to claim 1 or 10 described a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus, it is characterized in that: the vertical cross-section of described evaporator tank (4) be shaped as make its can water storage and institute's water storage can with the contacted arbitrary shape in condensation heat transfer interface, the vertical cross-section shape of evaporator tank (4) is preferably trilateral or rectangle.
12. a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus according to claim 1 is characterized in that: per 1 lattice evaporator tank (4) outer is provided with 1 guiding device (13), and guiding device (13) is more than 1.
13. a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus according to claim 12 is characterized in that: guiding device (13) be gap type guiding device (13), circular hole formula guiding device (13), slot type guiding device (13) or tubular type guiding device (13) one of them.
14. a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus according to claim 1 is characterized in that: excessive former water collecting groove (2) is more than 1.
15. a kind of self-water storage type multi-stage vertical wall falling film condensation water distilling apparatus according to claim 1 is characterized in that: fresh water receiving tank (9) is more than 1.
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| CN2010102410661A CN101921005B (en) | 2010-07-30 | 2010-07-30 | Self-water storage type multi-stage vertical wall falling film condensation and distillation device |
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| CN2010102410661A CN101921005B (en) | 2010-07-30 | 2010-07-30 | Self-water storage type multi-stage vertical wall falling film condensation and distillation device |
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| CN103127738A (en) * | 2013-02-18 | 2013-06-05 | 陕西科技大学 | Double-layer flash tank |
| CN103203115A (en) * | 2013-03-21 | 2013-07-17 | 克雷登热能设备(浙江)有限公司 | Above-ultrahigh-pressure dewatering flash separator |
| CN103693699A (en) * | 2013-12-17 | 2014-04-02 | 北京理工大学 | Multi-effect vertical tube hydrophilic and breathable distillation apparatus having self heat return function |
| CN107676995A (en) * | 2017-09-07 | 2018-02-09 | 广西吉宽太阳能设备有限公司 | A kind of classification storage tank of solar heating engineering |
| CN114249373A (en) * | 2021-12-28 | 2022-03-29 | 内蒙古工业大学 | Solar water desalination device and method based on tubular hydrophobic ceramic membrane |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103127738A (en) * | 2013-02-18 | 2013-06-05 | 陕西科技大学 | Double-layer flash tank |
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| CN103693699A (en) * | 2013-12-17 | 2014-04-02 | 北京理工大学 | Multi-effect vertical tube hydrophilic and breathable distillation apparatus having self heat return function |
| CN107676995A (en) * | 2017-09-07 | 2018-02-09 | 广西吉宽太阳能设备有限公司 | A kind of classification storage tank of solar heating engineering |
| CN114249373A (en) * | 2021-12-28 | 2022-03-29 | 内蒙古工业大学 | Solar water desalination device and method based on tubular hydrophobic ceramic membrane |
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| CN101921005B (en) | 2012-04-25 |
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