CN203498213U - Solar seawater desalination system - Google Patents

Solar seawater desalination system Download PDF

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Publication number
CN203498213U
CN203498213U CN201320499618.8U CN201320499618U CN203498213U CN 203498213 U CN203498213 U CN 203498213U CN 201320499618 U CN201320499618 U CN 201320499618U CN 203498213 U CN203498213 U CN 203498213U
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China
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pump
evaporator
solar
heat exchanger
effect
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Withdrawn - After Issue
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CN201320499618.8U
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Chinese (zh)
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罗昌洪
刘军
唐孝冬
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Sichuan Donglian New Energy Science & Technology Co Ltd
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Sichuan Donglian New Energy Science & Technology Co Ltd
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Abstract

The utility model discloses a solar seawater desalination system. The solar seawater desalination system comprises a seawater pumping pump, a plate heat exchanger B, a material heating and storing tank, a condenser, a solar heat collector and a triple-effect mold pipe falling-film evaporator, wherein the material heating and storing tank is communicated with the triple-effect mold pipe falling-film evaporator through a pipeline, the triple-effect mold pipe falling-film evaporator is communicated with the condenser through a pipeline, and the solar heat collector is electrically connected with the plate heat exchanger B, the material heating and storing tank and the triple-effect mold pipe falling-film evaporator, respectively; the plate heat exchanger B is communicated with the triple-effect mold pipe falling-film evaporator through a pipeline, a concentrated solution discharging pump is arranged between the plate heat exchanger B and the triple-effect mold pipe falling-film evaporator, and a compressor is arranged on the triple-effect mold pipe falling-film evaporator; a vacuum pump is electrically connected to the condenser. The solar seawater desalination system is operated through the clean solar energy source, so that the maintaining cost of boilers is reduced; by combining a transverse pipe falling-film technique with a mechanical heating manner, the seawater desalination efficiency and quality are improved.

Description

Solar seawater desalination system
Technical field
The utility model relates to sea water desaltination, sorting technique field, relate in particular to a kind of solar seawater desalination system, relate in particular to the seawater desalination system of a kind of combination sun power, wind technology, mechanically compress technology and the technical operation of horizontal tube falling film low-temperature multiple-effect seawater desalination.
Background technology
At present the desalination technology of main flow mainly be take the horizontal tube falling film technology of hot method and the reverse osmosis of embrane method as main.Although horizontal tube falling film technology is very ripe, existing mould pipe falling-film evaporator is all generally with heating power compress technique, to realize the recycling of secondary steam.And the total system of sea water desaltination all adopts the traditional energies such as electric energy, near sun power seawater water intaking is very abundant, if be used effective save energy, reduces environmental pollution etc.Existing seawater desalination system does not have mechanically compress technology and horizontal tube falling film technology to combine, make sea water desaltination cannot high-level efficiency, high-quality carrying out.
Utility model content
The weak point existing for prior art, the purpose of this utility model is to provide a kind of clean energy that utilizes, the solar seawater desalination system that can run without interruption for 24 hours, and this seawater desalination system combines horizontal tube falling film technology and two kinds of modes of machinery heating, has greatly improved efficiency and the quality of sea water desaltination.
The purpose of this utility model is achieved through the following technical solutions:
A kind of solar seawater desalination system, comprise seawater water pump, plate-type heat exchanger B, heating material storage tank, condenser, solar energy collector and triple effect mould pipe falling-film evaporator, described seawater water pump, plate-type heat exchanger B, heating material storage tank are interconnected by pipeline successively, heating material storage tank is connected with triple effect mould pipe falling-film evaporator by pipeline, triple effect mould pipe falling-film evaporator and condenser are mutually by pipeline communication, and described solar energy collector is electrically connected to plate-type heat exchanger B, heating material storage tank and triple effect mould pipe falling-film evaporator respectively; Between described plate-type heat exchanger B and triple effect mould pipe falling-film evaporator, by pipeline communication, be provided with concentrated solution overboard pump, described triple effect mould pipe falling-film evaporator is provided with compressor; On described condenser, be electrically connected with vacuum pump.
In order to realize better the utility model, the utility model provides a kind of preferred triple effect mould pipe falling-film evaporator structure technology scheme to be: described triple effect mould pipe falling-film evaporator mainly consists of the first single-effect evaporator, the second single-effect evaporator and the third effect evaporator of mutual pipeline communication; Third effect evaporator and described heating material storage tank are interconnected by pipeline, and on this pipeline, are provided with spray force (forcing) pump A; Between the second single-effect evaporator and third effect evaporator, by pipeline communication, be provided with spray force (forcing) pump B, between the first single-effect evaporator and the second single-effect evaporator, by pipeline communication, be provided with spray force (forcing) pump C; Described spray force (forcing) pump A, spray force (forcing) pump B are electrically connected to solar energy collector respectively with spray force (forcing) pump C.
Further technical scheme is: between described seawater water pump and plate-type heat exchanger B, be provided with Scale inhibitors chemicals dosing plant.
Further technical scheme is: between described Scale inhibitors chemicals dosing plant and plate-type heat exchanger B, be provided with plate-type heat exchanger A.
Described the first single-effect evaporator, the second single-effect evaporator and third effect evaporator inside are equipped with the generating tube being connected with condenser.
As preferably, described condenser is provided with water of condensation overboard pump.
As preferably, on described solar energy collector, include energy converter and several plate type solar heat collection plates that solar heat can be converted into electric energy.
The utility model is compared compared with prior art, has the following advantages and beneficial effect:
(1) the utility model is the seawater desalination system that uses clean solar energy source operation, during this system operation, does not need boiler that steam is provided, and reduces the maintenance cost of boiler, can be in the abundant place operation of sun power.Utilize mechanical compressor, secondary steam can be utilized completely, reduce energy waste, reach energy-conservation object, wherein fresh water current consumption per ton is at 18~20 degree.
(2) the utility model combines horizontal tube falling film technology and two kinds of modes of mechanically compress, has greatly improved efficiency and the quality of sea water desaltination.
Accompanying drawing explanation
Fig. 1 is theory structure block diagram of the present utility model;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the structural representation of heating material storage tank;
Fig. 4 is the structural representation of condenser.
Wherein, the corresponding name of the Reference numeral in accompanying drawing is called:
1-the first single-effect evaporator, 2-the second single-effect evaporator, 3-third effect evaporator, 4-condenser, 5-vacuum pump, 6-compressor, 7-Scale inhibitors chemicals dosing plant, 8-plate-type heat exchanger A, 9-water of condensation overboard pump, 10-heating material storage tank, 11-spray force (forcing) pump A, 12-spray force (forcing) pump B, 13-spray force (forcing) pump C, 14-plate-type heat exchanger B, 15-concentrated solution overboard pump, 16-solar energy collector.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail:
Embodiment
As shown in Figure 1 to 4, a kind of solar seawater desalination system, comprises seawater water pump, plate-type heat exchanger B14, heating material storage tank 10, condenser 4, solar energy collector 16 and triple effect mould pipe falling-film evaporator.Seawater water pump, plate-type heat exchanger B14, heating material storage tank 10 are interconnected by pipeline successively, heating material storage tank 10 is connected with triple effect mould pipe falling-film evaporator by pipeline, triple effect mould pipe falling-film evaporator and condenser 4 are mutually by pipeline communication, and solar energy collector 16 is electrically connected to plate-type heat exchanger B14, heating material storage tank 10 and triple effect mould pipe falling-film evaporator respectively.Between plate-type heat exchanger B14 and triple effect mould pipe falling-film evaporator, by pipeline communication, be provided with concentrated solution overboard pump 15, triple effect mould pipe falling-film evaporator is provided with compressor 6.On condenser 4, be electrically connected with vacuum pump 5.
As shown in Figure 1 and Figure 2, triple effect mould pipe falling-film evaporator mainly consists of the first single-effect evaporator 1, the second single-effect evaporator 2 and the third effect evaporator 3 of mutual pipeline communication.Third effect evaporator 3 is interconnected by pipeline with heating material storage tank 10, and on this pipeline, is provided with spray force (forcing) pump A11, and this spray force (forcing) pump A11 is mainly used in the seawater spraying in heating material storage tank 10 to be transported in third effect evaporator 3.Between the second single-effect evaporator 2 and third effect evaporator 3, by pipeline communication, be provided with spray force (forcing) pump B12, this spray force (forcing) pump B12 is mainly used in the seawater spraying in third effect evaporator 3 to be transported in the second single-effect evaporator 2.Between the first single-effect evaporator 1 and the second single-effect evaporator 2, by pipeline communication, be provided with spray force (forcing) pump C13, this spray force (forcing) pump C13 is mainly used in the seawater spraying in the second single-effect evaporator 2 to be transported in the first single-effect evaporator 1.Spray force (forcing) pump A11, spray force (forcing) pump B12 are electrically connected to solar energy collector 16 respectively with spray force (forcing) pump C13, and that is to say that solar energy collector 16 is respectively spray force (forcing) pump A11, spray force (forcing) pump B12 and sprays force (forcing) pump C13 provides required electric energy.
As shown in Figure 1 and Figure 2, between seawater water pump and plate-type heat exchanger B14, be provided with Scale inhibitors chemicals dosing plant 7.Between Scale inhibitors chemicals dosing plant 7 and plate-type heat exchanger B14, be provided with plate-type heat exchanger A8.In the seawater that Scale inhibitors chemicals dosing plant 7 can be extracted out seawater water pump, add Scale inhibitors, reduce seawater and in each equipment of native system, form the speed of dirt.
The first single-effect evaporator 1, the second single-effect evaporator 2 and third effect evaporator 3 inside of the present embodiment are equipped with the generating tube being connected with condenser 4.
As shown in Figure 1 and Figure 2, condenser 4 is provided with water of condensation overboard pump 9.
On the solar energy collector 16 of the present embodiment, include energy converter and several plate type solar heat collection plates that solar heat can be converted into electric energy.
Principle of work of the present utility model is as follows:
System flow can be divided into:
Sea water system, seawater is extracted out through seawater water pump, through plate-type heat exchanger A8 and water of condensation heat exchange, later through plate-type heat exchanger B14 again with concentrated seawater heat exchange after, then enter solar energy collector 16, adjusting solar energy collector 16, make extra large temperature rise to 71-73 degree, then enter 10 heating of heating material storage tank, the reserves of heating material storage tank 10 are 0.5 ton, and liquid level is 1 meter.The water of heating material storage tank 10 is squeezed in third effect evaporator 3 through spray force (forcing) pump A11, seawater after pervaporation, through spray force (forcing) pump, B12 squeezes in the second single-effect evaporator 2, seawater after pervaporation is squeezed in the first single-effect evaporator 1 through spray force (forcing) pump C13 again, finally remaining seawater is extracted out through concentrated solution overboard pump 15, after plate-type heat exchanger B14 heat exchange, discharges.
Vacuum system, the vacuum of system is maintained by the vacuum pump 5 of water cycle.
Steam system, initial steam has high temperature seawater spontaneous evaporation in evaporator room to obtain, when system vacuum reaches absolute pressure 9KPa left and right time, operation seawater desalination system, when the temperature of the first single-effect evaporator 1 reaches after 65 ℃, open compressor 6, original frequency is arranged on 20HZ, after the motor feedback current of wait compressor 6 is stablized, improves the frequency of compressor 6 to 40HZ, after continuation waits for that the motor feedback current of compressor 6 is stablized again, improve compressor frequency to 50HZ.The Low Temperature Steam (68 ℃ of left and right) that compressor 6 produces third effect evaporator 3, by compression, improve the enthalpy of steam, after compression, vapor temperature is controlled at 80 ℃ of left and right, enter again the generating tube in the first single-effect evaporator 1, high-temperature steam and sprayed sea water heat exchange, make evaporation of seawater produce steam, the vapor condensation in pipe produces fresh water, and fresh water is diverted to the condensing chamber of the first single-effect evaporator 1 both sides of evaporator room and collects through generating tube inwall.The steam producing in the first single-effect evaporator 1 enters the generating tube of the second single-effect evaporator 2 by foam grabber, the seawater of steam and spray is after heat exchange, evaporation of seawater produces steam, vapor condensation in pipe produces fresh water, and fresh water is diverted to the condensing chamber of the both sides of evaporator room and collects through the second single-effect evaporator 2 inwalls.The steam producing after evaporation enters the generating tube of third effect evaporator 3 by foam grabber, the seawater of steam and spray is after heat exchange, evaporation of seawater produces steam, vapor condensation in pipe produces fresh water, fresh water is diverted to the condensing chamber of the both sides of evaporator room and collects through third effect evaporator 3 generating tube inwalls, the steam that third effect evaporator 3 produces enters condenser chamber by foam grabber, major part is returned to first evaporator later by compressor 6 compressions, steam source as system operation next time, small part does not have compressed steam cooling formation fresh water in condenser.Final fresh water pools together, and through condensate pump 9, extracts out, after plate-type heat exchanger A8 and former seawater to make heat exchange, discharges and collects.
This seawater desalination system is mainly used in sun power, and wind energy is abundant, the island of Freshwater resources deficiency, and because the raw material of processing is mainly seawater, so pipeline adopts 316SS material substantially, generating tube is selected titanium pipe or aluminium-alloy pipe according to determining working life.Vapour compressor is cast iron, and process through becoming privileged on surface, reaches corrosion resistant effect.The current running condition of this equipment is normal, and water yield per day is at 12 tons, and power consumption is at water 23 degree electricity per ton.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims (7)

1. a solar seawater desalination system, it is characterized in that: comprise seawater water pump, plate-type heat exchanger B(14), heating material storage tank (10), condenser (4), solar energy collector (16) and triple effect mould pipe falling-film evaporator, described seawater water pump, plate-type heat exchanger B(14), heating material storage tank (10) is interconnected by pipeline successively, heating material storage tank (10) is connected with triple effect mould pipe falling-film evaporator by pipeline, triple effect mould pipe falling-film evaporator and condenser (4) pass through pipeline communication mutually, described solar energy collector (16) respectively with plate-type heat exchanger B(14), heating material storage tank (10) and triple effect mould pipe falling-film evaporator are electrically connected to, described plate-type heat exchanger B(14) and between triple effect mould pipe falling-film evaporator by pipeline communication, be provided with concentrated solution overboard pump (15), described triple effect mould pipe falling-film evaporator is provided with compressor (6), on described condenser (4), be electrically connected with vacuum pump (5).
2. according to solar seawater desalination system claimed in claim 1, it is characterized in that: described triple effect mould pipe falling-film evaporator mainly consists of the first single-effect evaporator (1), the second single-effect evaporator (2) and the third effect evaporator (3) of mutual pipeline communication; Third effect evaporator (3) is interconnected by pipeline with described heating material storage tank (10), and on this pipeline, is provided with spray force (forcing) pump A(11); Between the second single-effect evaporator (2) and third effect evaporator (3), by pipeline communication, be provided with spray force (forcing) pump B(12), between the first single-effect evaporator (1) and the second single-effect evaporator (2), by pipeline communication, be provided with spray force (forcing) pump C(13); Described spray force (forcing) pump A(11), spray force (forcing) pump B(12) with spray force (forcing) pump C(13) be electrically connected to solar energy collector (16) respectively.
3. according to solar seawater desalination system claimed in claim 1, it is characterized in that: described seawater water pump and plate-type heat exchanger B(14) between be provided with Scale inhibitors chemicals dosing plant (7).
4. according to solar seawater desalination system claimed in claim 3, it is characterized in that: described Scale inhibitors chemicals dosing plant (7) and plate-type heat exchanger B(14) between be provided with plate-type heat exchanger A(8).
5. according to solar seawater desalination system claimed in claim 2, it is characterized in that: described the first single-effect evaporator (1), the second single-effect evaporator (2) and third effect evaporator (3) inside are equipped with the generating tube being connected with condenser (4).
6. according to the solar seawater desalination system described in claim 1 or 5, it is characterized in that: described condenser (4) is provided with water of condensation overboard pump (9).
7. according to the solar seawater desalination system described in claim 1 or 2, it is characterized in that: on described solar energy collector (16), include energy converter and several plate type solar heat collection plates that solar heat can be converted into electric energy.
CN201320499618.8U 2013-08-15 2013-08-15 Solar seawater desalination system Withdrawn - After Issue CN203498213U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103601326A (en) * 2013-08-15 2014-02-26 四川东联新能源科技有限公司 Solar energy seawater desalination system
CN104445773A (en) * 2014-11-14 2015-03-25 刘承建 Environmental protection equipment for wind power generation seawater desalination treatment
RU2648057C1 (en) * 2017-03-02 2018-03-22 Илья Игоревич Малафеев Vacuum desalination and electrical power generation unit
RU2800639C1 (en) * 2022-11-11 2023-07-25 Федеральное государственное автономное образовательное учреждение высшего образования "Севастопольский государственный университет" Vacuum water desalination plant with distillate vapor separation

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103601326A (en) * 2013-08-15 2014-02-26 四川东联新能源科技有限公司 Solar energy seawater desalination system
CN103601326B (en) * 2013-08-15 2015-08-05 四川东联新能源科技有限公司 Solar seawater desalination system
CN104445773A (en) * 2014-11-14 2015-03-25 刘承建 Environmental protection equipment for wind power generation seawater desalination treatment
CN104445773B (en) * 2014-11-14 2016-07-06 刘承建 A kind of wind-power electricity generation desalinization processes environmental protection equipment
RU2648057C1 (en) * 2017-03-02 2018-03-22 Илья Игоревич Малафеев Vacuum desalination and electrical power generation unit
RU2800639C1 (en) * 2022-11-11 2023-07-25 Федеральное государственное автономное образовательное учреждение высшего образования "Севастопольский государственный университет" Vacuum water desalination plant with distillate vapor separation

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