200936509 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種海水淡化設備及方+，* ‘ 尤指一種節 省能源、成本低廉且環保的海水淡化設備及方法 【先前技術】 地球上的水資源中含量最高的為海水，約佔全 源總重的97% ’接下來含量次之為冰川或雪等， 、'、勺佔2 %， ❹ ❹ 而人們日常生活中可以直接使用 <淡水則不至，j 1%，产著人 口的增加，所需要的用水量也相對增加，為了能夠：供： 夠的淡水，則進-步利用海水淡化的設備及方、 水淡化。 订海 目前的海水淡化方法包括有逆滲透R 0法、蒸餾、'去 多級閃化法、電透析法及冷來法等，就蒸館法而:，其乂 含有一電熱設備，可將海水抽至赌水槽内，且流經該電= 設備’藉由該電熱設備料水加溫，使海水中的水分子^ 收熱量而較其他分φ p、、* & w . 他刀子先仃几化’並加以收集汽化的水 ，即得到所需要的淡水，上述中該電熱設備亦可以改 斯’利用燃燒瓦斯提供水分子汽化的熱能，然而此種電执 或燃燒瓦斯來捤供埶鈐&七4 … 研錢供熱此的方式，對於能源的消耗非常大， 導致成本高，且燃燒瓦 促贤’、、、此的方式會有二氧化碳等 田 ’副產物的排放會造成環境的傷害，加劇溫 室效應及全球暖化的速度，故不環保。 而固文善前述海水淡化方法的耗能及不環保的缺點， -生藉由太陽能設備來進行海水淡化的方法，其中 200936509 ，太陽能設備包含有數座太陽能聚光板及追日系統馬達， 該些太陽能聚光板可吸收太陽的熱能並加以應用使海水淡 化，而追日系統馬達可以調整該些太陽能聚光板的角度， 以吸收最大量的太陽能’此利用太陽能提供海水中水分子 汽化熱能，較為環保及善加利用天然能源，但是太陽能設 備所使用之太陽能聚光板及追日系統馬達的成本昂貴，使 太陽能海水淡化設備的成本亦提高。 【發明内容】 本發明之主要目的在於提供一種海水淡化設備及方法 ，希藉此設計，改善習用海水淡化設備及方法耗能且成本 南的缺失。 為達成前揭目的，本發明所設計之海水淡化設備包含 有： 海水抽取裝置，其包括有抽水管及抽水馬達，抽水馬200936509 IX. Description of the invention: [Technical field of the invention] The present invention relates to a desalination device and a +,*', especially an energy-saving, low-cost and environmentally friendly desalination device and method [Prior Art] on the earth The highest content of water resources is seawater, accounting for 97% of the total source weight. The next content is followed by glaciers or snow, etc., and the spoons account for 2%. ❹ ❹ and people can use them directly in their daily lives. Fresh water is not enough, j 1%, the population is increasing, and the amount of water needed is relatively increased. In order to: provide enough fresh water, the equipment and the water desalination will be further used. The current seawater desalination methods in the sea include reverse osmosis R 0 method, distillation, 'de-multi-stage flash method, electrodialysis method and cold method, etc., on the steaming method: the 乂 contains an electric heating device, which can The seawater is pumped into the gambling water tank, and flows through the electricity = equipment 'by heating the water of the electric heating equipment, so that the water molecules in the seawater collect heat more than other points φ p,, * & w.仃 化 ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '钤 & seven 4 ... research money to heat this way, the energy consumption is very large, resulting in high cost, and burning the spurs of the ',, this way there will be carbon dioxide and other fields of by-product emissions will cause the environment The damage, which aggravates the greenhouse effect and the speed of global warming, is not environmentally friendly. However, Gu Wenshan has the disadvantages of energy consumption and non-environmental protection of the seawater desalination method. - The method of seawater desalination by solar energy equipment, wherein 200936509, the solar energy equipment includes several solar concentrating panels and a chasing system motor, the solar energy The concentrating plate absorbs the heat energy of the sun and applies it to desalinate the seawater. The chasing system motor can adjust the angle of the solar concentrating panels to absorb the maximum amount of solar energy. This uses solar energy to provide vaporization heat energy of water molecules in seawater, which is more environmentally friendly. Natural energy is used well, but the cost of solar concentrating panels and chasing system motors used in solar energy equipment is high, and the cost of solar desalination equipment is also increased. SUMMARY OF THE INVENTION The main object of the present invention is to provide a seawater desalination apparatus and method, which are designed to improve the energy consumption and cost of the conventional seawater desalination apparatus and method. In order to achieve the foregoing, the seawater desalination apparatus designed by the present invention comprises: a seawater extraction device comprising a water pumping pipe and a pumping motor, and a pumping horse
達連接抽水管，且抽水管一端伸入海中，另側端為流出海 水之出水端； 第一加熱裝置’其形成有沙灘預熱區及高溫加熱區， 並，括有數預熱管通過沙灘預熱區及高溫加熱區，每一預 …:之-端連接抽水管之出水端，而通過高溫加熱區之預 熱管上覆蓋導熱砂； 第一加熱裝置，其包含有 鏡部、集水槽及連接管，該容 明屋頂上設有聚光透鏡部，而 方，該連接管一端連接預熱管 容置槽、透明屋頂、聚光透 置槽上没有透明屋頂，該透 集水槽設於該透明屋頂的下 ’另端伸入容置槽；以及 6 200936509 淡水儲存槽，以管線連接集水槽並儲存淡水。 本發明之海水淡化方法的步驟依序包含： 一海水抽取步驟，自海中抽取海水； 一利用太陽能對海水加熱的步驟，抽取的海水導入預 設於沙灘上的預熱管中，所述之預熱管部分區段覆蓋有導 熱砂’藉以利用太陽光照射沙灘上的砂及導熱砂，將熱能 傳導至預熱管中，進而對預熱管中的海水加熱； 一利用太陽能對海水二次加熱的步驟，係令預熱管中 ® 的海水流入容置槽中，並藉由聚光透鏡部會聚太陽光，以 輻射加熱的方式對該容置槽中的海水二次加熱，用以產生 水蒸氣；以及 一蒸發海水以分離收集淡水的步驟，係令容置槽中的 水蒸氣凝結’並被收集導流至淡水儲存槽中。 據上所述’本發明海水淡化設備及方法藉由第一加熱 裝置中沙灘上的砂及導熱砂’吸收太陽能並導熱至預熱管 ❹内的海水中，提高海水的溫度，再由第二加熱裝置之聚光 透鏡部會聚太陽光’照射至流入容置槽的海水，以太陽能 對海水進行二次加熱’再次提高海水的溫度，使海水中的 水分子順利且快速地吸收熱能成為水蒸氣，並凝結受重力 作用而聚集流入集水槽中’接著流至淡水儲存槽中儲放， 便完成海水淡化並產生可利用淡水的目的，整個海水淡化 過程中’熱源的供應主要為太陽能，並對欲淡化之海水加 熱達到水分子蒸發的目# ’且不需要使用昂貴的太陽能聚 光板及追曰系統馬達’也不用耗費電能，過程中亦不會產 7 200936509 生有害環境的副產物’故本發明海水淡化設備及方法兼具 有節能、環保及成本低的優點。 【實施方式】 請參閱第二至四圖’為本發明海水淡化設備之一較佳 實施例’其包含有海水抽取裝置（1〇)、第一加熱裝置 (20)、第二加熱裝置（30)及淡水儲存槽（4〇) ’或進一步包含高鹽海水排放裝置（5〇)。 該海水抽取裝置（1 〇)包括有抽水管（丄1 )及抽 €>水馬達（12)，該抽水馬達（12)連接該抽水管（1 1)，且該抽水管（11)具有一入水端並伸入適當深度 的海水中，於本發明之較佳實施例中，該海水抽取裝置（ 1 0 )進一步增設高台型海水儲存槽（i 3 )及制水閥（ 14)，且該抽水馬達（12)之出水端連通於該海水儲 存槽（1 3 )，且該制水閥（1 4 )設於該海水儲存槽（ 1 3 )中並電控抽水馬達（i 2 )，該高台型海水儲存槽 ◎ (13)設有連通的主幹管（15)，使海水儲存槽（工 3 )中之海水可以經由主幹管（丄5 )流出，若制水閥（ 1 4 )下降至一定高度時，則抽水馬達（工2 )進行抽取 海水的動作，將海水抽取至高台型海水儲存槽（1 3 )中 ，並藉由連通管原理，提供欲淡化之海水在本發明海水淡 化設備中流動的動力，反之，制水閥（i 4)上升至一定 尚又寺則抽水馬達（1 2 )會停止抽吸海水的動作。 s第加熱裝置（2 0 )係用以設置於沙灘上，所述 之汐灘規劃有沙灘預熱區（2 i )及高溫加熱區（2 2 ) 8 200936509 ，該第一加熱裝置（20)包含有數預熱管（23)及導 熱砂（2 4 )，所述之預熱管（2 3 )通過沙灘預熱區（ 21)及高溫加熱區（22) ’且該導熱砂（24)覆蓋 於該些預熱管（23)的部分區段’於本較佳實施例中， 該導熱砂（24)係覆蓋於預熱管（23)位於該高溫加 熱區（22)的區段，每一預熱管（23)之一端連通至 主幹管（15)，使欲淡化之海水流入預熱管（23)中 ’於本發明之較佳實施例中，預熱管（2 3 )之管徑小於 ® 主幹管（1 5)之管徑，所述之預熱管（23)佈設於沙 灘預熱區（2 1 )的砂礫上，經由沙灘上的砂礫吸收太陽 能，並藉傳導將砂礫所吸收之熱能傳至預熱管（2 3 )中 的海水’而預熱管（23)通過高溫加熱區（22)，該 導熱砂（2 4)亦吸收太陽能，並將熱能傳導至預熱管（ 2 3 )中的海水，其中’該導熱砂為比熱小且安定性佳之 材質（如：鐵砂或砂礫等）’於本發明之較佳實施例中， 〇 高溫加熱區（2 2)之外圍可進一步增設一防風件（25 )’该防風件（25)可以為一圍牆，或可為一可透光之 罩體（如：透明罩體），並罩覆住高溫加熱區（22)， 以防止高溫加熱區（2 2 )内的導熱砂（2 4 )被風吹走 而影響加熱效果。 該第二加熱裝置（30)包含有容置槽（3 、透 明屋頂（34)、聚光透鏡部（37)、集水槽（36) 及連接管（3 2 )，該透明屋頂（3 4 )位於該容置槽（ 33)上，而該聚光透鏡部（37)位於該透明屋頂 9 200936509 ，可會聚陽光照射入該容置槽（33)中，並對該 各置槽（33)中的海水加熱，該集水槽（36)位於該 透明屋頂（3 4 )下方，用以收集蒸發凝結後的淡水，於 本發明之輓佳實施例中，該透明屋頂（3 4 )包含有數個 斜面（35)，且兩兩斜面（35)相接成銳角狀的凸齒 ，形成高斜度的鋸齒狀透明屋頂（34)(如第五圖所示 ) 使水蒸氣谷易凝結附著於凸齒的内側面，並受重力吸 Q引而順斜面往下流，本發明於斜面（3 5 )底端設有集水 槽（3 6 )以收集自斜面（3 5 )流下的淡水’凸齒外側 面佈設有多數個平凸透鏡狀的聚光透鏡部（37)，該聚 光透鏡部（37)的平面貼附於該透明屋頂（34)的外 側面，並可以為條狀或點狀地設置，而該聚光透鏡部（3 7)與該些斜面（35)為一體成形，該聚光透鏡部（3 7)可會聚陽光並加強對容置槽（33)内海水的加熱， 使得被會聚陽光所照射到海水溫度升高，加速海水中水分 〇 子的蒸發速率，另連接管（32) —端連通預熱管（2二 )，另端伸入該容置槽（33)中，將該第一加熱裝置（ 20)中已加熱過之海水導流至該容置槽（33)中，又 於本發明之較佳實施例中，該容置槽（3 3 )内設有一制 水閥（38)可控制海水進出該容置槽（3 3)。 該淡水儲存槽（4 0 )利用管線連接第二加熱裝置（ 30)中的該集水槽（36)，使該集水槽（36)所承 接之淡水匯流入該淡水儲存槽（4 〇 )中。 該咼鹽海水排放裝置（5 0)具有排水管（5 2 )， 200936509 該排水管（52) —端連通於該容置槽（33)中，可將 該容置槽（3 3 )内的高鹽海水直接排入海洋中，或該高 鹽海水排放裝置（5 〇 )進一步設有高鹽海水儲存槽 1 )及制水閥，於本發明之較佳實施例中，該高鹽海水儲 存槽（51)經由管線連通該容置槽（33)，使容置槽 (3 3 )中之高鹽海水可以先行流入至高鹽海水儲存槽（ 5 1 )中，且該制水閥設於該高鹽海水儲存槽（5 1 )中 ，並可控制該高鹽海水儲存槽（5 i )内高鹽海水的進出 β ，且該排水管（5 2 )兩側端分別伸入高鹽海水儲存槽（ 5 1 )及海洋中，其中該排水管（5 2 )通往海洋的適當 位置上設有開關可控制高鹽海水的流量。 本發明所設計之海水淡化方法（如第一圖所示），可 利用上述海水淡化設備來施行，其實施步驟依序如下： 一海水抽取步驟，係抽取海洋中的海水，於本較佳實 施例中’可利用上述海水抽取裝i (丄〇 )之抽水馬達（ ◎ 1 2)將海水抽取至高台型海水儲存槽（1 3)中儲放。 一利用太陽能對海水加熱的步驟，前述海水抽取步驟 中所抽取的海水，經由管路導入預設於沙灘上的預熱管（ 2 3 )中，所述之預熱管（2 3 )後端覆蓋有導熱^ 2 4 )，藉由白晝的太陽光照射沙難上的砂及導熱砂（2 4 )，將熱能傳導至預熱管（23)中，進而對預熱管（2 3 )中的海水加熱； ) 一利用太陽能對海水二次加熱的步驟， 中的高溫海水流入該容置槽（3 3 )中， 預熱管（2 3 並藉由聚光透 11 200936509 鏡部（3 7 )會聚太陽光，以輻射加熱的方式對該容置槽 (3 3 )中的海水二次加熱，使海水蒸發以產生水蒸氣， 其中’前述海水淡化設備中的聚光透鏡部（3 7)能會聚 太陽光’加強照射入該容置槽（33)中的太陽能，促使 該容置槽（3 3 )内被照射到的海水吸收太陽的輻射能而 溫度升得更高’加速水蒸氣的產出；以及 一蒸發海水以分離收集淡水的步驟，係令該容置槽（ 3 3 )中的水蒸氣凝結，並被收集導流至淡水儲存槽（4 ® 〇)中’其中，水蒸氣上升且接觸至該透明屋頂（34) 的内側面’進而冷凝成液態淡水，同時受到重力吸引而沿 著透明屋頂（3 4 )斜面（3 5 )順流至集水槽（3 6 ) 中’並匯集流入淡水儲存槽（4 〇 )，達到自海水中分離 出淡水的目的。 綜上所述，本發明海水淡化設備及方法利用該第一加 熱裝置（2 0 )中沙雜上的砂及導熱砂（2 4 )將太陽能 吸收，且以傳導的方式對預熱管（23)中的海水進行加 熱，而該第二加熱裝置（3〇)中的聚光透鏡部（37) 則可會聚太陽光，並以輻射的方式對海水進一步加熱，其 傳導及輻射方式可以達到善用太陽能及節能的目的，又可 以降低海水淡化設備的成本，並進一步藉由高台型海水儲 存槽（1 3 )的設計，使欲淡化之海水有一驅動力朝該第 -、第二加熱裝4 ( 2 〇、3 0 )、流動，f省外加動能的 輸出，並且本發明在海水淡化方法過程中，不會產生有宝 環境的產物，所以更能符合環保的概念，故本發明海水淡 12 200936509 化設備及方法兼具節能、環保及成本低的優點，而更具有 產業利用性。 【圖式簡單說明】 第一圖：為本發明海水淡化方法之步驟流程示意圖。 第二圖：為本發明海水淡化設備之一較佳實施例之立 體示意圖。 第三圖：為本發明海水淡化設備之一較佳實施例之上 視不意圖。 第四圖：為本發明海水淡化設備之一較佳實施例之侧 視示意圖。 第五圖.為本發明海水淡化設備及方法之第二加熱裝 置之剖面示意圖。 【主要元件符號說明 (1 〇)海水抽取裝置 (1 2 )抽水馬達 (14)制水閥 ® (20)第一加熱裝置 (2 2 )高溫加熱區 (2 4 )導熱砂 (3 0 )第二加熱裝置 (3 3 )容置槽 (3 5 )斜面 (3 7 )聚光透鏡部 (4 0 )淡水儲存槽 (1 1 )抽水管 (1 3 )海水儲存槽 (1 5 )主幹管 (2 1 )沙灘預熱區 (2 3 )預熱管 (2 5 )防風件 (3 2 )連接管 (34)透明屋頂 (3 6 )集水槽 (3 8 )制水閥 (5 0 )高鹽海水排放裝置 13 200936509 (5 1 )高鹽海水儲存槽 （5 2 )排水管Connected to the pumping pipe, and one end of the pumping pipe extends into the sea, and the other side is the outlet end of the seawater flowing out; the first heating device 'forms a beach preheating zone and a high temperature heating zone, and includes a number of preheating pipes through the beach a hot zone and a high temperature heating zone, each of which is connected to the water outlet end of the water pipe, and the heat pipe is covered by the preheating pipe of the high temperature heating zone; the first heating device includes a mirror portion, a sump and a connecting tube, the concentrating roof is provided with a concentrating lens portion, and one end of the connecting tube is connected to the preheating tube accommodating groove, the transparent roof, and the concentrating transparent groove has no transparent roof, and the permeable collecting tank is disposed at the The lower part of the transparent roof extends into the receiving trough; and 6 200936509 fresh water storage tank, which is connected by pipeline to the sump and stores fresh water. The steps of the seawater desalination method of the present invention include: a seawater extraction step of extracting seawater from the sea; and a step of heating the seawater by using solar energy, the extracted seawater is introduced into a preheating pipe preset on the beach, the pre-predetermined The heat pipe part is covered with heat-conducting sand' to irradiate the sand and heat-conducting sand on the beach with sunlight, and the heat energy is transmitted to the preheating pipe to heat the seawater in the preheating pipe; The step of causing the seawater in the preheating tube to flow into the accommodating groove, and condensing the sunlight by the condensing lens portion, and reheating the seawater in the accommodating groove by radiant heating to generate water The vapor; and a step of evaporating seawater to separate and collect the fresh water, the water vapor in the accommodating tank is condensed' and collected and led to the fresh water storage tank. According to the above description, the seawater desalination apparatus and method of the present invention absorbs solar energy by the sand and heat transfer sand on the beach in the first heating device and conducts heat to the seawater in the preheating tube to increase the temperature of the seawater, and then the second The condensing lens unit of the heating device condenses the sunlight to illuminate the seawater flowing into the accommodating groove, and reheats the seawater by the solar energy to increase the temperature of the seawater again, so that the water molecules in the seawater absorb the heat energy smoothly and quickly into water vapor. And the condensation is concentrated by gravity and flows into the sump. Then it flows to the freshwater storage tank for storage, which completes the desalination of seawater and produces fresh water. The supply of heat source is mainly solar energy during the desalination process. The desalinated seawater is heated to reach the evaporation of water molecules. It does not require the use of expensive solar concentrators and tracking system motors. It does not consume electricity, and it will not produce 7 200936509 harmful by-products. The invention of seawater desalination equipment and method has the advantages of energy saving, environmental protection and low cost. [Embodiment] Please refer to Figures 2 to 4, 'a preferred embodiment of the seawater desalination apparatus of the present invention', which comprises a seawater extraction device (1〇), a first heating device (20), and a second heating device (30). ) and fresh water storage tank (4〇) ' or further contain high-salt seawater discharge device (5〇). The seawater extraction device (1 〇) includes a water suction pipe (丄1) and a pumping water motor (12), the pumping motor (12) is connected to the water suction pipe (11), and the water suction pipe (11) has In a preferred embodiment of the present invention, the seawater extraction device (10) further adds a high-profile seawater storage tank (i3) and a water production valve (14), and The water outlet end of the pumping motor (12) is connected to the seawater storage tank (13), and the water making valve (14) is disposed in the seawater storage tank (13) and electrically controlled by the pumping motor (i2). The high-profile seawater storage tank ◎ (13) is provided with a connected main pipe (15), so that the seawater in the seawater storage tank (work 3) can flow out through the main pipe (丄5), if the water valve (14) is lowered At a certain height, the pumping motor (work 2) performs the action of extracting seawater, extracts the seawater into the high-profile seawater storage tank (13), and provides the seawater to be desalinated in the seawater desalination according to the principle of the communication pipe. The power flowing in the equipment, on the contrary, the water valve (i 4) rises to a certain temperature and the pump is pumped (1 2 ) Stop pumping action of seawater. The s heating device (20) is disposed on the beach, and the beach is planned to have a beach preheating zone (2 i ) and a high temperature heating zone (2 2 ) 8 200936509 , the first heating device (20) The preheating pipe (23) and the heat conducting sand (2 4 ) are included, and the preheating pipe (23) is covered by the beach preheating zone (21) and the high temperature heating zone (22)' and the heat conducting sand (24) In the preferred embodiment of the preheating tube (23), the thermally conductive sand (24) covers the section of the preheating tube (23) located in the high temperature heating zone (22), each One end of a preheating pipe (23) is connected to the main pipe (15), and the seawater to be desalinated flows into the preheating pipe (23). In the preferred embodiment of the present invention, the pipe of the preheating pipe (23) The diameter is smaller than the diameter of the ® main pipe (15). The preheating pipe (23) is placed on the gravel of the beach preheating zone (2 1 ), absorbs solar energy through the gravel on the beach, and transmits the gravel by conduction. The absorbed heat energy is transferred to the seawater in the preheating pipe (23), and the preheating pipe (23) passes through the high temperature heating zone (22), which also absorbs solar energy and conducts the heat energy to Preheating the seawater in the pipe (23), wherein 'the heat conducting sand is a material that is smaller than heat and has good stability (such as iron sand or gravel, etc.)' in the preferred embodiment of the present invention, the high temperature heating zone (2 2 Further, a windproof member (25) may be further added to the outer windproof member (25). The windproof member (25) may be a wall or may be a light transmissive cover (such as a transparent cover) and cover the high temperature heating zone ( 22), to prevent the heat transfer sand (2 4 ) in the high temperature heating zone (2 2 ) from being blown away by the wind to affect the heating effect. The second heating device (30) comprises a receiving groove (3, a transparent roof (34), a collecting lens portion (37), a sump (36) and a connecting pipe (32), the transparent roof (3 4) The concentrating lens portion (33) is located on the transparent roof portion 9 200936509, and the concentrated sunlight is irradiated into the accommodating groove (33), and is disposed in the accommodating groove (33). The seawater is heated, and the sump (36) is located below the transparent roof (3 4 ) for collecting fresh water after evaporation and condensation. In the preferred embodiment of the invention, the transparent roof (3 4 ) comprises a plurality of slopes (35), and the two bevels (35) are joined to form an acute-angled convex tooth, forming a high-angled serrated transparent roof (34) (as shown in the fifth figure) to make the water vapor valley easy to condense and adhere to the convex tooth The inner side surface is led by the gravity suction Q and flows down the slope. The present invention is provided with a sump (36) at the bottom end of the inclined surface (35) to collect the fresh water 'protrusion outer side surface flowing from the inclined surface (3 5 ) A plurality of plano-convex lenticular lens portions (37) are disposed on the cloth, and a plane of the condensing lens portion (37) is attached to the transparent roof (34) The side surface may be arranged in a strip shape or a dot shape, and the condensing lens portion (37) is integrally formed with the slope surfaces (35), and the condensing lens portion (37) can converge sunlight and strengthen the confrontation. The heating of the seawater in the trough (33) causes the temperature of the seawater to be irradiated by the concentrated sunlight to increase, and accelerates the evaporation rate of the moisture dice in the seawater, and the connecting pipe (32) is connected to the preheating pipe (2), and Extending into the accommodating groove (33), guiding the heated seawater in the first heating device (20) into the accommodating groove (33), and in a preferred embodiment of the present invention, A water control valve (38) is disposed in the accommodating groove (33) to control seawater entering and leaving the accommodating groove (33). The fresh water storage tank (40) is connected to the second heating device (30) by a pipeline. The sump (36) causes the fresh water sink received by the sump (36) to flow into the fresh water storage tank (4 〇). The strontium salt seawater discharge device (50) has a drain pipe (5 2 ), 200936509 The drain pipe (52) is connected to the accommodating groove (33), and the high-salt seawater in the accommodating groove (33) can be directly discharged into the sea, or The salt water discharge device (5 〇) is further provided with a high-salt seawater storage tank 1) and a water-making valve. In the preferred embodiment of the present invention, the high-salt seawater storage tank (51) is connected to the accommodating tank via a pipeline ( 33), the high-salt seawater in the accommodating tank (3 3 ) can flow into the high-salt seawater storage tank ( 5 1 ) first, and the water-making valve is disposed in the high-salt seawater storage tank (5 1 ), and The inlet and outlet β of the high-salt seawater in the high-salt seawater storage tank (5 i ) can be controlled, and the two sides of the drain pipe (52) respectively extend into the high-salt seawater storage tank (5 1 ) and the ocean, wherein the drainage The tube (52) has a switch to control the flow of high-salt seawater at a suitable location to the ocean. The seawater desalination method designed by the present invention (as shown in the first figure) can be implemented by using the seawater desalination device described above, and the steps are as follows: a seawater extraction step is to extract seawater in the ocean, which is preferably implemented. In the example, the pumping motor ( ◎ 1 2) of the above seawater extraction device i (丄〇) can be used to extract seawater into a high-profile seawater storage tank (13) for storage. a step of heating the seawater by using solar energy, wherein the seawater extracted in the seawater extraction step is introduced into a preheating pipe (23) pre-determined on the beach via a pipeline, and the back end of the preheating pipe (23) Covered with thermal conductivity ^ 2 4 ), the white sand is used to illuminate the sandy sand and the thermal conductive sand (2 4 ), and the thermal energy is transmitted to the preheating tube (23), and then to the preheating tube (23). Seawater heating;) a step of secondary heating of seawater by solar energy, the high-temperature seawater flowing into the accommodating tank (3 3 ), preheating the tube (2 3 and by concentrating the light 11 200936509 mirror part (3 7 Converging the sunlight, and heating the seawater in the accommodating tank (3 3 ) by radiant heating to evaporate the sea water to generate water vapor, wherein the concentrating lens portion in the aforementioned seawater desalination device (37) The solar energy can be condensed to enhance the solar energy that is irradiated into the accommodating groove (33), so that the seawater irradiated by the accommodating groove (33) absorbs the radiant energy of the sun and the temperature rises higher. Output; and a step of evaporating seawater to separate and collect fresh water, the sump The water vapor in 3 3 ) is condensed and collected and diverted to the fresh water storage tank (4 ® 〇) where the water vapor rises and contacts the inner side of the transparent roof (34) to condense into liquid fresh water, while It is attracted by gravity and flows along the transparent roof (3 4 ) slope (3 5 ) to the sump (3 6 ) and collects into the fresh water storage tank (4 〇) to achieve the purpose of separating fresh water from seawater. The seawater desalination apparatus and method of the present invention utilizes the sand on the sand in the first heating device (20) and the thermal conductive sand (24) to absorb the solar energy, and conducts the pair of preheating tubes (23) in a conductive manner. The seawater is heated, and the condensing lens portion (37) in the second heating device (3) converges the sunlight and further heats the seawater by radiation, and the conduction and radiation methods can achieve the use of solar energy. And the purpose of energy saving can reduce the cost of seawater desalination equipment, and further design the seawater to be desalinated by the design of the high-profile seawater storage tank (1 3 ) toward the first and second heating installations 4 ( 2 〇, 3 0 ), flow f province external kinetic energy output, and the invention does not produce a treasured environment product in the process of seawater desalination, so it is more in line with the concept of environmental protection, so the invention of the seawater 12 200936509 chemical equipment and methods are both energy-saving, environmentally friendly The utility model has the advantages of low cost and more industrial utilization. [Simplified description of the drawings] The first figure is a schematic flow chart of the steps of the seawater desalination method of the present invention. The second figure: a preferred embodiment of the seawater desalination apparatus of the present invention The third figure is a schematic view of a preferred embodiment of the seawater desalination apparatus of the present invention. The fourth figure is a side view of a preferred embodiment of the seawater desalination apparatus of the present invention. Fig. 5 is a schematic cross-sectional view showing a second heating device of the seawater desalination apparatus and method of the present invention. [Main component symbol description (1 〇) seawater extraction device (1 2) pumping motor (14) water valve® (20) first heating device (2 2 ) high temperature heating zone (2 4 ) thermal sand (3 0 ) Two heating device (3 3 ) accommodating groove (3 5 ) inclined surface (3 7 ) concentrating lens portion (4 0 ) fresh water storage tank (1 1 ) water suction pipe (1 3 ) seawater storage tank (1 5 ) main pipe ( 2 1) beach preheating zone (2 3 ) preheating pipe (2 5 ) windproof component (3 2 ) connecting pipe (34) transparent roof (3 6 ) sump (3 8) water valve (50) high salt Seawater discharge device 13 200936509 (5 1 ) high salt seawater storage tank (5 2 ) drain pipe
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