CN1699196A - Sea ice desalting device with temperature control and frost thawing functions - Google Patents
Sea ice desalting device with temperature control and frost thawing functions Download PDFInfo
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- CN1699196A CN1699196A CNA2005100797344A CN200510079734A CN1699196A CN 1699196 A CN1699196 A CN 1699196A CN A2005100797344 A CNA2005100797344 A CN A2005100797344A CN 200510079734 A CN200510079734 A CN 200510079734A CN 1699196 A CN1699196 A CN 1699196A
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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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- 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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- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The invention discloses a sea ice desalting device with temperature control and frost thawing functions, which is aimed at realizing solid phase desalinization for sea ice. The invention realizes simple structure, small amount of maintenance, and safety operation. The other purpose of the invention is to provide a method for sea ice solid phase desalinization.
Description
Invention field
The present invention relates to a kind of equipment and method for preparing fresh water, particularly a kind of equipment and technological method by sea ice desalination preparation fresh water belong to the indirect seawater desalination.
Background technology
Along with the worsening shortages of global Freshwater resources, seeking and enlarging new water source has become extremely urgent world subject to increase the Freshwater resources total amount.And along with the water source, land develops continuing to increase of intensity, can be fewer and feweri for surface water and underground water that human exploitation is used, want water to become the basic strategy of each lack of water state water resources development and utilization of the world to the sea.At present, the main direct desalination method of seawater has distillation method and embrane method both at home and abroad.This class technology is mainly by utilizing physico-chemical process to remove most of salt in the former water of seawater, makes the product water after the processing reach the domestic water standard.But seawater directly desalination utilizes technology not only to need higher facility investment, also need bigger energy input, thereby it makes the water cost also than higher.
Bohai Rim is the important economic area of northern China, also is the area of Beijing-Tianjin-Tangshan, south, Liaozhong, Shandong Peninsula Hub in Metropolitan Area centralized development.Fast urbanization cause this regional fresh water per capita owning amount reduce significantly, most of city and geographic water resource of per capita have been lower than 500m
3, wherein Dalian, Tianjin, Beijing, Qingdao, etc. the city water resource of per capita in addition be lower than 180m
3, be in the critical shortage situation.Bohai Rim has become one of area that China's Freshwater resources lack most.
Bohai Rim's winter climate cold, under the invasion and attack of freezing air and cold wave, the seawater in part sea area freezes, and forms the seasonal sea ice of larger area district.According to the preliminary statistics, the potential reserves of Bohai Sea heavy ice year sea ice can reach 1000 billion cubic meters, if this part sea ice can be processed into fresh water by technological method, will provide novel reserve Freshwater resources for the northern China water-deficient area.
Summary of the invention
The object of the present invention is to provide a kind of device of sea ice solid-desalination, be about to sea ice and insert in the temperature control freezing and thawing desalination device with heliogreenhouse characteristics, realize solid-desalination; Another object of the present invention is to provide a kind of method of sea ice solid-desalination.
Sea ice is that the seawater calorific loss is to criticality (temperature is lower than the freezing point of seawater) and lasting refrigerative product, i.e. seawater scars.Salinity of sea ice is meant sea ice melt water salinity.Because seawater is discharged ice body with a large amount of salinities in the natural freezing process, so salinity of sea ice is significantly less than seawater.Usually Bohai Sea sea water salinity is 28 ‰～32 ‰, and salinity of sea ice reaches 4 ‰～11 ‰, and promptly seawater process natural freezing process can be removed the salinity about 80%.
Sea ice mainly is made up of polygonal pure ice crystal, bittern, air and small amount of solid impurity.Pure ice crystal is exactly a fresh water; Bittern be seawater when freezing because of the formed high density salt solution of salt solution centrifugation, its constitutes the main part of salinity of sea ice.The essential characteristic of sea ice structure is exactly the sexangle ice crystal that does not contain salinity, be arranged in together by mask pattern is hard-packed, bittern and air are closed between the brilliant wall of two or more ice crystals, have formed so-called " bittern born of the same parents (salt bubble or salt capsule) ", the spherical in shape or long tubular of bittern born of the same parents.Gu thisly in the sea ice be mainly the basis that the symbiotic mixture structure of liquid-two-phase has been established the sea ice desalting, if by someway the bittern in the sea ice ice body being removed, sea ice just can become fresh water.
Generally speaking, limneticum is less than 1 ‰, and its freezing point temperature is about 0 ℃; Bohai Sea sea water salinity is 28 ‰～32 ‰, and its freezing point temperature is about-1.7 ℃; The inner bittern salinity of sea ice is not freezed under normal cold condition (0 ℃～-30 ℃) greater than 50 ‰, remains liquid state.Because the bittern in the sea ice ice body does not freeze, and its proportion is apparently higher than pure ice crystal, and therefore this liquid bittern will gravitate and produce the trend that moves down.Moving down of bittern is to carry out along the slit between the ice crystal, if the slit between the ice crystal is along gravity direction from top to bottom be interconnected (both a plurality of bittern born of the same parents get through each other the unit link to each other form so-called " salt aquaporin "), bittern just can be discharged ice body under action of gravity, sea ice just can be converted into fresh water by slightly salty.
Concrete technical scheme of the present invention is as follows:
A kind of sea ice desalting device with temperature control and frost thawing functions, this installs by forming as the lower section:
Thermal source supply section, forced ventilation part, input, hot water circulation part, desalination pond (5), saline wells (6), temperature control part branch, heliogreenhouse (8) and desalination sea ice storage pool (9);
But described thermal source supply section is meant the heat energy apparatus of feeding mechanism running: comprise the solar water heater (1a), the boiler (1b) that is positioned at inside, greenhouse that are positioned at the outside, greenhouse, be positioned at top, greenhouse or inside, greenhouse utilize civil power or rural power heat energy apparatus (1c);
Described forced ventilation partly is inner ventilation device (2a), inside and outside ventilation plant (2b) and inside and outside air interchanger (2c); Inner ventilation device (2a) is positioned at top, desalination pond (5), and inside and outside ventilation plant (2b) is positioned on the wall of heliogreenhouse (8), and inside and outside air interchanger (2c) is positioned on the wall of heliogreenhouse (8);
Described input is meant the input unit (3a) that is placed in greenhouse opening for feed (8a) and the take-off equipment (3b) of discharge port (8b);
Described hot water circulation partly is meant water tank (4a), water tank (4b), circulation heat exchange pipe (4c), the recycle pump (4d) that is connected with solar water heater (1b) and is laid on the heat exchanging pipe (4e) of bottom, desalination pond;
Described desalination pond (5) is meant and is placed in following rectangular or square pond, the interior face of land of heliogreenhouse (8);
Described saline wells (6) is meant the rectangular or square pond (6a) that is placed in the desalination pond (5), and be connected with pond (6a), lead to the outer salt solution recycling pipeline (6b) of device;
Described temperature control part branch is meant the thermostat relay (7a) that is placed in the heliogreenhouse (8), and it comprises that two temperature probes (7b), (7c) link to each other with recycle pump (4d) with ventilation plant (2a) respectively.
The ventilation plant (2a) of wherein said forced ventilation part is meant ventilating fan, it is corresponding to directly over the desalination pond, and it is provided with the height distance face of land and is not less than 1m, generally the greenhouse height 1/2～2/3 between, can adopt height mode straggly to arrange, the flabellum diameter of ventilating fan is 40～60cm.
Heat exchanging pipe (4e) is laid in the desalination pond (5) in the wherein said hot water circulation part, is generally 0.2m apart from bottom, desalination pond, and tube spacing is no more than 0.8m.
Wherein said desalination pond (5) for be arranged in the greenhouse under the ground surface, the top in desalination pond is identical with the greenhouse floor level, desalination pond (5) projected depth generally is no more than 1m, its volume can be adjusted with the greenhouse size, generally is not less than 40m
3The gradient of bottom surface, desalination pond (5) is a thousandth, and the lower-most point of bottom surface, desalination pond (5) is arranged on the saline wells (6) in one jiao in desalination pond.
Wherein said saline wells (6) be arranged on (5) one jiaos in desalination pond, opening upwards, the saline wells upper height is identical with the desalination pond, bottom surface, depth ratio desalination pond, bottom height hangs down 1m, the saline wells volume is not more than 1/10 of desalination pond, generally is not less than 3m
3The saline wells borehole wall and bottom, desalination pond intersection are provided with the salt discharge hole, and its aperture is generally 40mm, pitch of holes 0.15m; Salt discharge recycling pipeline (6b) is connected with the saline wells bottom, and the caliber of salt discharge recovery tube is 160mm～200mm, and is connected with salt solution storage pool outside the greenhouse.
The invention provides a kind of method of sea ice temperature control thawing desalination, this method is:
Get sea ice and insert in the indoor desalination pond, regulate the room temperature and ice temperature, make the sea ice temperature remain on-1.5～2 ℃ by thermal source supply section, forced ventilation part and hot water cyclesystem; Room temperature remains on 4～6 ℃, collects bittern; Treat bittern salinity≤1 ‰ o'clock, collect sea ice and promptly get and desalinates sea ice.
In the aforesaid method, wherein get in the sea ice desalination pond and to regulate the ice temperature and be meant sea ice is placed indoor fluid-tight cement pit, at the bottom of the pond, pool wall or pond face heat by heat exchanging pipe, calorifier, air-conditioning plant or other heating unit.
In the aforesaid method, wherein indoorly be meant that in the airtight greenhouse, room temperature is meant temperature in the greenhouse, the ice temperature is meant in the greenhouse sea ice ice body temperature in the desalination pond.
Wherein most working times, the greenhouse was airtight, and the temperature variation time side that need ventilate starts inside and outside ventilation plant; Wherein work as the sea ice temperature and remain on-1.5～2 ℃; When room temperature remains on 4～6 ℃, make the limited dissolving of sea ice (little melting), the bittern of ice body inside oozes out under action of gravity, collects bittern.
The present invention has following characteristics:
1, mainly rely on natural energy resources (solar radiation), system's energy consumption is very little.
2, through the reasonable temperature control desalination time (5～7 days), desalination sea ice water salinity is lower than 1 ‰.
3, raw material ice utilization ratio height, the fresh ice amount after the desalination can reach more than 65% of raw material sea ice amount.
4, belong to the physics demineralising process, need not to add the chemical reagent and the bittern of discharging and to reclaim and evaporate brine environmental friendliness.
5, system and device is simple in structure, and maintenance is little, and operating safety is easy to promote.
The present invention is mainly according to ice crystal in the sea ice and bittern born of the same parents structure arranged characteristics, based on utilizing natural energy resources to reduce the consideration of desalination cost, by control to sea ice ice temperature, promote the formation of sea ice ice body inner salt aquaporin or make it expansion, be beneficial to quick salt discharge.In sea ice generation, growth or the maintenance process under freezing point temperature, bittern moves down in ice crystal gap, action of gravity lower edge, but because the ice crystal gap is very little and be not all to be longitudinally, bittern born of the same parents' the speed that moves down is very slow, do not having under the compulsory natural freezing state of external force, the salinity of sea ice drops to 4 ‰ from 8 ‰ approximately needs about 2 months time, and if use sea ice temperature control freezing and thawing desalination device then can shorten the salt discharge time greatly.The present invention utilizes " Greenhouse effect " principle in the ogy, promptly utilize heliogreenhouse can store the characteristics of temperature in conversion of solar energy heat and the may command greenhouse, at the ice crystal that guarantees sea ice is to be under the prerequisite of solid frozen state basically, make the ice body temperature near the seawater freezing point, do vibration by a small margin by dynamic temperature-regulating, thereby make the limited dissolving of sea ice ice crystal, the ice crystal gap is strengthened and is connected and connects, the salt solution passage forms, and then bittern is discharged under the effect of gravity and hydrostaticpressure along the salt aquaporin with micro-sea ice melt water, if sea ice melts, then bittern can spread rapidly in the sea ice melt water, just can't realize the efficient purpose of solid-desalination fast of sea ice.
Description of drawings:
Fig. 1 is a system architecture synoptic diagram of the present invention, wherein (1a) for the solar water heater, (1b) that are positioned at the outside, greenhouse for the dwarf boiler that is positioned at inside, greenhouse, (1c) for utilizing civil power rural power heat energy apparatus; Be that inner ventilation device, (2b) are inside and outside air interchanger for inside and outside ventilation plant, (2c) (2a); Be that input unit, (3b) are take-off equipment (3a); Be that water tank, (4c) for the circulation heat exchange pipe and (4e) are the heat exchanging pipe of bottom (4b); (5) be the desalination pond; (6) be that saline wells, (6a) are rectangular or square pond, (6b) be the salt solution recycling pipeline; (7a) be thermostat relay, (7b), (7c) be temperature probe; (8) be that heliogreenhouse, (9) are desalination sea ice storage pool.
Fig. 2 is system's power supply circulation and temperature control desalination part-structure synoptic diagram
Being water tank, (4b) (4a) for recycle pump and (4e) is the heat exchanging pipe of bottom for circulation heat exchange pipe, (4d) for water tank, (4c)
Fig. 3 be system's temperature control desalination and salt discharge recovery part structural representation wherein (1) be bottom surface, desalination pond, (2) are the desalination pond, (3) are horizontal plane, (4) are the salt discharge recycling pipeline, (5) are saline wells
Fig. 4 be temperature control desalination and salt discharge recovery part front schematic view wherein (1) be strong brine for saline wells (6) for salt discharge recycling pipeline (7) for salt discharge hole (5) for bottom surface, desalination pond (4) for positive inclined angle alpha (3) for horizontal plane (2)
Fig. 5 be temperature control desalination and salt discharge recovery part sectional schematic diagram wherein (1) be salt discharge recycling pipeline for horizontal plane (6) for saline wells (7) for section angle of inclination beta (5) for bottom surface, desalination pond (4) for salt discharge hole (3) for strong brine (2)
Fig. 6 be system's desalination recovery part structural representation wherein (1) for salt discharge recycling pipeline (2) for bottom surface, desalination pond (3) for positive inclined angle alpha (4) for salt discharge hole (5) for saline wells (6) for bottom surface, desalination pond (7) for section angle of inclination beta (8) for horizontal plane
Specific embodiment is as follows:
Embodiment 1:The design and the installation of temperature control thawing desalination greenhouse each several part
1, thermal source supply section
Thermal source is supplied as three kinds of modes, and the one, enter the solar radiant energy in greenhouse; The 2nd, by the hot water of solar water heater and boiler supplying; The 3rd, electric power can thermal source.
Wherein solar radiant energy mainly passes through the plastics film of the sealing covering at top, greenhouse mainly in order to improve the temperature of air in the greenhouse, is the main thermal source of main temperature control thawing desalination greenhouse operation; Wherein the hot water of solar water heater and boiler supplying is the auxiliary thermal source of temperature control thawing desalination greenhouse operation in order to improve the temperature of bottom, desalination pond sea ice; Wherein the electric power thermal source can be civil power or rural power offer ice body temperature-control heat-providing device, various ventilation installation, set lights as electrical source of power power consumption.The power of solar water heater and boiler is determined according to industrial scale.
2, forced ventilation part
Forced ventilation device is installed in two places, and referring to accompanying drawing 1,1. ventilation plant is positioned at directly over the desalination pond; 2. ventilation plant is positioned on the exterior wall of greenhouse one side.
Wherein ventilation plant can be used ventilating fan.
1. ventilating fan is provided with and highly is not less than 1m, generally the greenhouse height 1/2～2/3 between, can adopt height mode straggly to arrange, the flabellum diameter of fan is 40～60cm, the wind speed in ventilating fan exit is 4～6m/s; Wherein ventilating fan big I 2. is equipped with air hole or ventilator according to the greenhouse size adjustment on a side exterior wall in greenhouse.
3, input
Said input is meant the belting that is placed in greenhouse opening for feed and discharge port, and referring to accompanying drawing 1, its size and power can be adjusted according to industrial scale and desalination pool volume.
4, hot water circulation part
Described hot water circulation partly is meant water tank (4a), water tank (4b), circulation heat exchange pipe (4c), the recycle pump (4d) that is connected with solar water heater (1b) and is laid on the heat exchanging pipe (4e) of bottom, desalination pond;
Heat exchanging pipe is laid on apart from bottom, desalination pond and is generally 0.2m, and tube spacing is no more than 0.8m.Heat exchanging pipe is a galvanized steel pipe, and steel tube surface scribbles rust-inhibiting paint, and steel pipe bore, pipeline are always arranged number and total length, can adjust according to the size in desalination pond and the aquifer yield of solar water heater and dwarf boiler.Circulation pump power determines that according to industrial scale wherein the heat exchange medium water yield and speed of circulation can be controlled respectively.
5, desalination pond
The desalination pond for be arranged in the greenhouse under the ground surface, opening upwards, bottom and the fluid-tight cement pit of wall, referring to accompanying drawing 3, accompanying drawing 4, accompanying drawing 5.Top, desalination pond is identical with the greenhouse floor level, and desalination pond projected depth generally is no more than 1m, and its volume can be adjusted according to the greenhouse size, generally is not less than 40m
3Bottom surface, the desalination pond gradient is a thousandth, and the water in the pond can be pooled to the saline wells that is arranged on one jiao in desalination pond naturally.
6, saline wells
Saline wells be arranged on one jiao in desalination pond opening upwards, bottom and the fluid-tight cement pit of wall, referring to accompanying drawing 4, accompanying drawing 5, accompanying drawing 6.The saline wells upper height is identical with the desalination pond, and bottom surface, depth ratio desalination pond, bottom height hangs down 1m, and the saline wells volume is not more than 1/10 of desalination pond, generally is not less than 3m
3The saline wells borehole wall and bottom, desalination pond intersection are provided with the salt discharge hole, and its aperture is generally 40mm, pitch of holes 0.15m; Available pvc pipe water conservancy diversion.The saline wells bottom is equipped with PVC salt discharge recycling pipeline, and caliber is 160mm～200mm.Lead to salt solution storage pool outside the greenhouse.
7, temperature regulator
Temperature regulator is a temperature controller, referring to accompanying drawing 1 and accompanying drawing 2, connects two temp probes.One of them is arranged in the greenhouse apart from ground 1.5 meters highly places, and the control ventilating fan 2.; Another is arranged on 0.5 meter degree of depth place in the desalination pond, the control hot water circulating pump.
8, heliogreenhouse
Heliogreenhouse is 7 meters wide (crust sizes), the no post heliogreenhouse that the span length is 1 meter, and greenhouse total length and single floor area of building can be adjusted according to producing needs.Keelof green house adopts steel pipe reinforcing bar lattice frame structure, and 1 group every meter, longitudinal rod adopts 50 * 50 * 5,40 * 40 * 4 angle steel and Φ 25 electric welding round steel pipe, and broken line place in top seals with galvanized sheet.Non-galvanized steel parts should be coated with rust-inhibiting paint.Covering on the skeleton does not have the film of dripping, and fixes with draw-in groove, jump ring around the film.The greenhouse ridge is high 2.5 meters, 2.0 meters of adverse grade shoulder heights, and greenhouse gable and back wall adopt double-deck 200 solid cement brick walls, therebetween 100 thick polystyrene thermal insulation plates, roofing adopts reinforced concrete thin plate, pastes polystyrene thermal insulation plate outward, for strengthening night insulation, the outer covering and heat insulating quilt of plastics film; The daylight greenhouse will be in air-tight state between its work on-stream period.
Desalting device with temperature control and frost thawing functions by above-mentioned requirements build install after, the greenhouse system just can move.The technical process of sea ice desalting device with temperature control and frost thawing functions operation is: sea ice is admitted to the greenhouse by travelling belt, is deposited in the desalination pond.Solar radiation progressively heats the greenhouse, if temperature or desalination pond ice temperature is lower than standard in the greenhouse, temperature controller starts hot water circulating pump, and the hot water in solar water heater or the dwarf boiler enters heat exchanging pipe, and air in the greenhouse or desalination pond ice body are heated; If temperature or desalination pond ice temperature is higher than standard in the greenhouse, temperature controller starts forced ventilation system, makes cool exterior air enter the greenhouse to reduce room temperature.Sea ice in the desalination pond is under greenhouse heat effect effect, little phenomenon of melting appears in ice body, ice body inner salt aquaporin expands, and bittern is constantly discharged ice body outside and sunk to bottom the desalination pond at action of gravity lower edge ice inner salt aquaporin, and then is flowed to saline wells along desalination pond slanted floor face.The salinity of dynamic monitoring saline wells inland sea glacial meltwater (bittern) changes, and constantly the sea ice melt water in the saline wells is discharged.If the salinity of saline wells inland sea glacial meltwater (bittern) is reduced to standard, then finish temperature control freezing and thawing desalination process, and the desalination sea ice in the desalination pond is transported to travelling belt desalinates the sea ice storage pool outside the greenhouse, be melted into fresh water at last naturally.
Embodiment 2:The test of sea ice temperature control freezing and thawing desalination
Test period is on January 31,24 days to 2005 January in 2005.Test site is economic and technological development zone, Cangzhou City Harbor, Hebei province (prompt friendship farm in former: 117 ° 21 ' of east longitude, 36 ° 22 ' of north latitude), utilizes the temperature control thawing desalination greenhouse of embodiment 1.Experiment is taken from Bohai Sea Gulf with ice, and the former salinity water of seawater is about 32.7 ‰ when becoming ice, and the main body salinity of sea ice is about 5.0～5.2 ‰, the on average about 10～15cm of ice thickness.
Sea ice desalting device with temperature control and frost thawing functions thermal environment background value: during January 20 to March 5, the outside per day intensity of solar radiation in greenhouse is 119.2w/m
2, the inner intensity of solar radiation in greenhouse is 62.4w/m
2, the solar radiation percent of pass in greenhouse is 52.35%.Temperature on average is 4.8 ℃～5.4 ℃ in the greenhouse.
Sea ice desalting device with temperature control and frost thawing functions imposes a condition: heliogreenhouse crust planar dimension is 40m * 7m; Monomer desalination pool volume is 16m * 5.5m * 0.6m, about 52m
3, stack the about 40m of raw material sea ice volume in the desalination pond
3The temperature temperature-control range is 4～6 ℃ in the greenhouse, and it is 1.5～2 ℃ that warm temperature-control range is iced in the desalination pond.
Test-results: by table 1 and table 2 as can be seen sea ice melt water (bittern) salinity descend day by day, (temperature was 4～6 ℃ when temperature was suitable; The ice temperature is 1.5～2 ℃), through 5～7 days temperature control demineralising process, the institute's sea ice melt water of discharging (bittern) salinity just dropped to below 1 ‰, and water rate is about 50%, and (single pond raw material is iced and is converted melt water volume 30m
3The melt water salinity is greater than 1 ‰ o'clock, and 1
#Desalination pond melt water cumulative volume is about 11.3m
3, water rate is about 62.33%; 2
#Desalination pond melt water cumulative volume is 16.9m
3, water rate is about 43.7%).Monomer facility water production rate is about 31.8m
3/ (280m
26d), day output is about 5.3m
3
Desalination pond, table 1 greenhouse day melt water volume and salinity
| Date | ??????????1 #Desalination pond melt water | ??????????2 #Desalination pond melt water | ||
| Salinity (‰) | Volume (m 3) | Salinity (‰) | Volume (m 3) | |
| January 31 January 30 January 29 January 28 January 27 January 26 January 25 January 24 | ????6.8 ????5.2 ????4.1 ????2.6 ????1.3 ????0.3 ????0.3 ????0.2 | ????1.2 ????1.9 ????2.1 ????1.4 ????2.8 ????1.9 ????2.5 ????- | ????13.4 ????11.9 ????7.7 ????3.2 ????2.4 ????1.1 ????0.8 ????0.2 | ????2.1 ????2.9 ????2.5 ????1.6 ????7.8 ????6.4 ????9.3 ????- |
Table 2 greenhouse freeze thawing temperature control desalting effect and correlation parameter
| Ice material (solid-state) | Water outlet (liquid state) | Water rate (%) | Daily output (m 3/ d) | Ice age gross output (m 3/ a) | |||
| Volume (m 3) | Salinity (‰) | Volume (m 3) | Salinity (‰) | ||||
| 1 #The desalination pond | 40 | 5.1 | 18.7 | 0.3 | 62.33 | 3.12 | 224.4 |
| 2 #The desalination pond | 40 | 5.2 | 13.1 | 1.1 | 43.66 | 2.18 | 157.2 |
| Annotate: production cycle 6d; Working time 72d; Add up to daily output 5.3m 3Add up to and produce 381.6m per year 3 | |||||||
Claims (10)
1, a kind of sea ice desalting device with temperature control and frost thawing functions is characterized in that this device is by forming as the lower section:
Thermal source supply section, forced ventilation part, input, hot water cyclesystem, desalination pond (5), saline wells (6), temperature control part branch, heliogreenhouse (8) and desalination sea ice storage pool (9);
But described thermal source supply section is meant the heat energy apparatus of feeding mechanism running: comprise solar water heater (1a), the boiler (1b) that is positioned at inside, greenhouse that is positioned at the outside, greenhouse be positioned at the top, greenhouse or inside, greenhouse utilize civil power or rural power heat energy apparatus (1c);
Described forced ventilation partly is inner ventilation device (2a), inside and outside ventilation plant (2b) and inside and outside air interchanger (2c); Inner ventilation device (2a) is positioned at top, desalination pond (5), and inside and outside ventilation plant (2b) is positioned on the wall of heliogreenhouse (8), and inside and outside air interchanger (2c) is positioned on the wall of heliogreenhouse (8);
Described input is meant the input unit (3a) that is placed in greenhouse opening for feed (8a) and the take-off equipment (3b) of discharge port (8b);
Described hot water circulation partly is meant water tank (4a), water tank (4b), circulation heat exchange pipe (4c), the recycle pump (4d) that is connected with solar water heater (1b) and is laid on the heat exchanging pipe (4e) of bottom, desalination pond;
Described desalination pond (5) is meant and is placed in following rectangular or square pond, the interior face of land of heliogreenhouse (8);
Described saline wells (6) is meant the rectangular or square pond (6a) that is placed in the desalination pond (5), and be connected with pond (6a), lead to the outer salt solution recycling pipeline (6b) of device;
Described temperature control part branch is meant the thermostat relay (7a) that is placed in the heliogreenhouse (8), and it comprises that two temperature probes (7b), (7c) link to each other with recycle pump (4d) with ventilation plant (2a) respectively.
2, desalting device with temperature control and frost thawing functions as claimed in claim 1, the ventilation plant (2a) of wherein said forced ventilation part is meant ventilating fan, it is corresponding to directly over the desalination pond, it is provided with the height distance face of land and is not less than 1m, generally the greenhouse height 1/2～2/3 between, can adopt height mode straggly to arrange, the flabellum diameter of ventilating fan is 40～60cm.
3, desalting device with temperature control and frost thawing functions as claimed in claim 1, heat exchanging pipe (4e) is laid in the desalination pond (5) in the wherein said hot water circulation part, is generally 0.2m apart from bottom, desalination pond, and tube spacing is no more than 0.8m.
4, desalting device with temperature control and frost thawing functions as claimed in claim 1, wherein said desalination pond (5) for be arranged in the greenhouse under the ground surface, the top in desalination pond is identical with the greenhouse floor level, desalination pond (5) projected depth generally is no more than 1m, its volume can be adjusted with the greenhouse size, generally is not less than 40m
3The gradient of bottom surface, desalination pond (5) is a thousandth, and the lower-most point of bottom surface, desalination pond (5) is arranged on the saline wells (6) in one jiao in desalination pond.
5, desalting device with temperature control and frost thawing functions as claimed in claim 1, wherein said saline wells (6) be arranged on (5) one jiaos in desalination pond, opening upwards, the saline wells upper height is identical with the desalination pond, bottom surface, depth ratio desalination pond, bottom height hangs down 1m, the saline wells volume is not more than 1/10 of desalination pond, generally is not less than 3m
3The saline wells borehole wall and bottom, desalination pond intersection are provided with the salt discharge hole, and its aperture is generally 40mm, pitch of holes 0.15m; Salt discharge recycling pipeline (6b) is connected with the saline wells bottom, and the caliber of salt discharge recovery tube is 160mm ~ 200mm, and is connected with salt solution storage pool outside the greenhouse.
6,, it is characterized in that this device is by forming as the lower section as claim 1,2,3,4 or 5 described desalting device with temperature control and frost thawing functions:
Thermal source supply section, forced ventilation part, input, hot water cyclesystem, desalination pond (5), saline wells (6), temperature control part branch, heliogreenhouse (8) and desalination sea ice storage pool (9);
But described thermal source supply section is meant the heat energy apparatus of feeding mechanism running: comprise the solar water heater (1a), the boiler (1b) that is positioned at inside, greenhouse that are positioned at the outside, greenhouse, be positioned at top, greenhouse or inside, greenhouse utilize civil power or rural power heat energy apparatus (1c);
Described forced ventilation partly is inner ventilation device (2a), inside and outside ventilation plant (2b) and inside and outside air interchanger (2c); Inner ventilation device (2a) is positioned at top, desalination pond (5), and inside and outside ventilation plant (2b) is positioned on the wall of heliogreenhouse (8), and inside and outside air interchanger (2c) is positioned on the wall of heliogreenhouse (8); The ventilation plant (2a) of wherein said forced ventilation part is meant ventilating fan, it is corresponding to directly over the desalination pond, and it is provided with the height distance face of land and is not less than 1m, generally the greenhouse height 1/2～2/3 between, can adopt height mode straggly to arrange, the flabellum diameter of ventilating fan is 40～60cm;
Described input is meant the input unit (3a) that is placed in greenhouse opening for feed (8a) and the take-off equipment (3b) of discharge port (8b);
Described hot water circulation partly is meant water tank (4a), water tank (4b), circulation heat exchange pipe (4c), the recycle pump (4d) that is connected with solar water heater (1b) and is laid on the heat exchanging pipe (4f) of bottom, desalination pond; Heat exchanging pipe (4e) is laid in the desalination pond (5) in the wherein said hot water circulation part, is generally 0.2m apart from bottom, desalination pond, and tube spacing is no more than 0.8m;
Described desalination pond (5) is meant and is placed in following rectangular or square pond, the interior face of land of heliogreenhouse (8); Wherein said desalination pond (5) for be arranged in the greenhouse under the ground surface, the top in desalination pond is identical with the greenhouse floor level, desalination pond (5) projected depth generally is no more than 1m, its volume can be adjusted with the greenhouse size, generally is not less than 40m
3The gradient of bottom surface, desalination pond (5) is a thousandth, and the lower-most point of bottom surface, desalination pond (5) is arranged on the saline wells (6) in one jiao in desalination pond;
Described saline wells (6) is meant the rectangular or square pond (6a) that is placed in the desalination pond (5), and be connected with pond (6a), lead to the outer salt solution recycling pipeline (6b) of device; Wherein said saline wells (6) be arranged on (5) one jiaos in desalination pond, opening upwards, the saline wells upper height is identical with the desalination pond, bottom surface, depth ratio desalination pond, bottom height hangs down 1m, the saline wells volume is not more than 1/10 of desalination pond, generally is not less than 3m
3The saline wells borehole wall and bottom, desalination pond intersection are provided with the salt discharge hole, and its aperture is generally 40mm, pitch of holes 0.15m; Salt discharge recycling pipeline (6b) is connected with the saline wells bottom, and the caliber of salt discharge recovery tube is 160mm ~ 200mm, and is connected with salt solution storage pool outside the greenhouse;
Described temperature control part branch is meant the thermostat relay (7a) that is placed in the heliogreenhouse (8), and it comprises that two temperature probes (7b), (7c) link to each other with recycle pump (4d) with ventilation plant (2a) respectively.
7, a kind of method of sea ice temperature control thawing desalination is characterized in that this method is: get sea ice and insert in the indoor desalination pond, regulate the room temperature and ice temperature by thermal source supply section, forced ventilation part and hot water cyclesystem, make the sea ice temperature remain on-1.5～2 ℃; Room temperature remains on 4～6 ℃; Collect bittern; Treat bittern salinity≤1 ‰ o'clock, collect sea ice and promptly get and desalinates sea ice.
8, method as claimed in claim 7 is characterized in that wherein working as the sea ice temperature remains on-1.5～2 ℃; When room temperature remains on 4～6 ℃, the sea ice dissolving, the bittern of ice body inside oozes out under action of gravity, collects bittern.
9, method as claimed in claim 7, wherein getting sea ice inserts in the desalination pond and to regulate the ice temperature and be meant sea ice is placed indoor fluid-tight cement pit, at the bottom of the pond, pool wall or pond face heat by heat exchanging pipe, calorifier, air-conditioning plant or other heating unit, makes the sea ice temperature remain on-1.5～2 ℃.
10, as claim 7,8 or 9 described methods, wherein indoorly be meant that in the airtight greenhouse, room temperature is meant temperature in the greenhouse, the ice temperature is meant in the greenhouse sea ice ice body temperature in the desalination pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100797344A CN100418896C (en) | 2005-06-24 | 2005-06-24 | Sea ice desalting device with temperature control and frost thawing functions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100797344A CN100418896C (en) | 2005-06-24 | 2005-06-24 | Sea ice desalting device with temperature control and frost thawing functions |
Publications (2)
| Publication Number | Publication Date |
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| CN1699196A true CN1699196A (en) | 2005-11-23 |
| CN100418896C CN100418896C (en) | 2008-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100797344A Expired - Fee Related CN100418896C (en) | 2005-06-24 | 2005-06-24 | Sea ice desalting device with temperature control and frost thawing functions |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100347095C (en) * | 2006-03-28 | 2007-11-07 | 天津大学 | Apparatus and method for sprinkling and desalting sea ice |
| CN101913662A (en) * | 2010-07-29 | 2010-12-15 | 北京师范大学 | Device and process for desalting sea ice or brine ice |
| CN102303913A (en) * | 2011-08-21 | 2012-01-04 | 冯静 | Method for making fresh water by using folding sea ice storage devices |
| CN103864162A (en) * | 2014-03-19 | 2014-06-18 | 北京师范大学 | Method for desalting sea ice through microwave negative pressure |
| CN108341455A (en) * | 2018-03-08 | 2018-07-31 | 烟台大学 | The device and method of organo-chlorine pesticide in water removal is removed in a kind of sprinkling icing |
| CN109205721A (en) * | 2018-08-18 | 2019-01-15 | 杜文娟 | Use the device for the method progress sea ice desalination for accelerating air-flow |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5855080A (en) * | 1981-09-29 | 1983-04-01 | Kimimichi Monma | Method for obtaining pure water from sea water |
| JPH01143684A (en) * | 1987-11-27 | 1989-06-06 | Toshiba Corp | Combined water producing, air-conditioning and electricity generating equipment |
| RU1838244C (en) * | 1991-04-17 | 1993-08-30 | Якутский Отдел Сибирского Научно-Исследовательского Института Гидротехники И Мелиорации | Method for disinfection of sewage |
| CN2134392Y (en) * | 1992-09-22 | 1993-05-26 | 孙工 | Low temp. seawater desalter |
| CN1461732A (en) * | 2002-05-27 | 2003-12-17 | 谢宣齐 | Method of desalinating sea water into fresh water |
| FR2858607A1 (en) * | 2003-08-06 | 2005-02-11 | Rabah Gali | Sea water desalination plant has cooling and reheating systems to freeze sea water and then thaw it to yield desalinated water |
-
2005
- 2005-06-24 CN CNB2005100797344A patent/CN100418896C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100347095C (en) * | 2006-03-28 | 2007-11-07 | 天津大学 | Apparatus and method for sprinkling and desalting sea ice |
| CN101913662A (en) * | 2010-07-29 | 2010-12-15 | 北京师范大学 | Device and process for desalting sea ice or brine ice |
| CN101913662B (en) * | 2010-07-29 | 2012-07-04 | 北京师范大学 | Device and process for desalting sea ice or brine ice |
| CN102303913A (en) * | 2011-08-21 | 2012-01-04 | 冯静 | Method for making fresh water by using folding sea ice storage devices |
| CN103864162A (en) * | 2014-03-19 | 2014-06-18 | 北京师范大学 | Method for desalting sea ice through microwave negative pressure |
| CN108341455A (en) * | 2018-03-08 | 2018-07-31 | 烟台大学 | The device and method of organo-chlorine pesticide in water removal is removed in a kind of sprinkling icing |
| CN108341455B (en) * | 2018-03-08 | 2021-03-05 | 烟台大学 | Device and method for removing organochlorine pesticide in water by spraying and freezing |
| CN109205721A (en) * | 2018-08-18 | 2019-01-15 | 杜文娟 | Use the device for the method progress sea ice desalination for accelerating air-flow |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100418896C (en) | 2008-09-17 |
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