TW490438B - Production of table salt from sea water - Google Patents

Abstract

This method for producing a table salt is provided with a flame blown from a burner 10 into the drum main body 3 of the first rotary drum type dryer 1, spraying sea water from a nozzle 13 to the outer surface of the rotating drum main body 3 of the first rotary drum type dryer to concentrate the sea water by evaporating water, spraying the concentrated salt water from a nozzle 14 to the outer surface of the rotating drum main body 3 of the second rotary drum type dryer 2 while adjusting the flow rate of spraying in accordance with the inside temperature detected by a temperature sensor 22 for evaporating water content in the sea water, and scraping the salt content attached onto the surface of the drum main body 3 once becoming baked salts after drying with a scraper 15.

Description

V. Description of the invention (u Field of the invention The present invention relates to a method for producing table salt from seawater by using furnace heat. Description of related arts By drying the sea salt or jealous of a field, it is dried under sufficient sunlight. The same mineral Γ, which contains calcium, magnesium, and other small amounts of about 60 kinds of water-free pollution: formula: and is beneficial to human health. However, because the sea decreases year by year. The safety of Yantian, the production of natural salt is another exchange resin! I: seawater to the salt field, and by the use of electricity in the field, using ion patent princess Chu Guanghai to produce salt, as disclosed in, for example, Fang ith0 63-27270, has been adopted locally. However, the salt produced by combining Shaodan μ, + is different from natural salt in that it contains the above mentioned ingredients. The most important thing is Calcium, magnesium and other ingredients of Yan Yu Shaoli (these ingredients are important to the human body for nutrition) are worse table salt (compared to natural salt). SUMMARY OF THE INVENTION It is an object of the present invention to provide a raw material A method of common salt, which is rich in calcium, magnesium and other natural & important ingredients that are nutritionally important to the human body. It can be quickly and economically produced from seawater with high yield and stable quality, as a good taste salt In order to achieve the above object, an aspect of the present invention is to provide a method for producing salt from seawater, which is characterized by blowing a flame in a furnace to a rotating circle

5. Description of the invention on page 5 (2) Simultaneously detect the temperature of the dryer and the flow rate with the cylindrical body :: == the outer surface of the cylindrical body, while adjusting the following table of the spray water: :: spray The sea will be secondary, set. , Noodles, and the salt that adheres to it peel off and close up. It is scattered to the outside and heated to 1㈣. The roasted salt does not appear to be generated on the outer surface of the cylinder. This taste "has a" sweet taste ". It has deliquescent properties and, in addition, it shows less" bitterness, as mentioned above. In magnesium and other substances, it can be a dance and formula that has significant nutrition for humans in salt. ' And quickly prepare the appearance of the spray on the cylinder: the temperature of the 2 dryer, and the seawater spray, PlI., W ^ m 'same as the adjustment of the spraying seawater flow rate, corresponding detection. Acoustic: again this can be obtained Serves stable quality salt without being affected by changes in seawater temperature. * Preferably, the ® cylinder has two cylindrical structures, including-the outer circle and the inner cylinder 'and blows the flame to the space between the outer and inner cylinders. Because the flame is blown into the space between the outer and inner cylinders of the two cylindrical structures, the outer surface of the cylinders can be effectively heated by the heat of the furnace. Another aspect of the present invention is to provide a method for producing table salt from seawater, which is characterized by the following steps: blowing a flame from a furnace to a cylinder of a first rotating cylindrical dryer, which is connected to a second rotating cylinder Type dryer,

Page 6 490438 V. Description of invention (3)卩 Heating the cylindrical body of the cylindrical body of the first rotating circular rotating cylindrical dryer, and the appearance of the rotating cylindrical body of the second contactor: turning round the sea; concentrating the seawater into brine; detecting I silk two = steamable temperature of water; spray the concentrated brine to the first: spin; ":: f dryer two", and at the same time adjust the mouth turn due to the detection temperature of the same type of dryer, so that the salt in the brine Aquatic products: Di Erxuan :, remove and collect the salt left on the second rotating cylindrical dryer with the surface J. The better soil also 'detects the temperature of the first rotating cylinder] and The seawater is sprayed on the outer surface of the first rotating cylindrical dryer c without a cylinder, and the flow velocity of the seawater spray is adjusted at the same time as the temperature of the second circle. According to the corresponding detection method, the roasted salt can be changed from Concentrated structure of the second dryer produces 0 because once the seawater passes through the first seawater, by having and production, so the salt can be: the dryer is concentrated, the first dryer is similar to produce a higher yield and better ^ better Ground, each of the first and second rotating cylindrical dryers has a circular shape. There are two cylinder structures, including an outer cylinder and a cylinder towards the same layer, and the flame is blown to the space between the outer and inner cylinders. Because the flame is blown to the two cylinder structure cylinders The space between the outer layer and the inner circle of the body, so the outer surface of the cylindrical body < is p-heated by the heat of the furnace. Preferably, in the above two methods, the Filter and install water collectors under the seawater in the holes formed by the excavation of the sea floor ^

490438 V. Description of the invention (4) The collected seawater is supplied to the rotating cylindrical dryer provided at the bottom through a suction pipe. This allows the production of stable quality salt from the pure seawater entering near the sea floor. Otherwise, if the seawater enters from the coast, the pure seawater cannot be obtained stably, because the seawater near the coast is easily dirty, or the depth of the seawater entering from there may not be fixed. The above and other objects, features, and advantages of the present invention will become apparent from the following description and the scope of the accompanying patent application. In addition, in conjunction with the accompanying drawings, similar parts or elements are referred to by similar references. It is indicated by a number. < »Brief description of the diagram. Fig. 1 is a schematic diagram showing a system configuration of a device for applying the present invention to produce salt from seawater. Fig. 2 is a first drying of the device shown in Fig. 1 Sectional view of the device; Figure 3 is a similar figure, but shows the second dryer of the device shown in Figure 1; Figure 4 is a schematic diagram showing the system configuration of another device, which is used to apply the invention Production of table salt from seawater; FIG. 5 is a cross-sectional view showing a sub-sea filtration device; and φ FIG. 6 is a perspective view of a water collector of the sub-sea filtration device of FIG. 5. Description of the preferred embodiment

Page 8

Reference is first made to FIG. 1 which shows a general structure of the ^ from the sea dog Zhongfeng Jiaren using the present invention, the device shown in FIG.器 2。 2. The two rotating cylindrical dryers connected in order by the brother are all made by: Weiji 1 and 2, including a horizontally extending cylindrical body 3, which is supported by two rj clothings at its opposite ends, Used by a pair of bearings 4 疋 轺. The sprocket gear 5 is provided on the outer shell of the end portion of each cylindrical body 3 and the chain 8 extends and surrounds between the sprocket gear 5 and another gear 7 on the motor 6 so that the cylindrical body 3 can act as a motor 6 The arrow corpse is driven in the direction of 7 buckles.

Each cylindrical body 3 has two cylindrical structures, including an outer layer cylinder 3a and an inner layer cylinder 3b, as shown in FIG. 2 or FIG. 3. The inner cylinder 31) is closed at opposite ends, and the outer cylinder 3a is opened at its opposite ends. One end of the first drier 1 is connected to the furnace by a pull, anise 9, so that the flame from the furnace 10 can be directly blown into the space between the outer cylinder 3a and the inner cylinder 3b of the cylinder 3 .

The first drier 1 and the second drier 2 are connected to each other at an adjacent portion of the outer circle 3a and the inner cylinder 3b by a connection angle π, and the chimney 12 for exhausting gas is connected to the second drier 2 The end, and away from the first dryer 1. The horizontally extending nozzles 3 for spraying seawater are arranged on the axis parallel to the cylindrical body 3 in relation to the upper part of the periphery of the cylindrical body 3 of the first dryer 1. The other horizontally extending nozzle 14 for spraying seawater is arranged on an axis parallel to the cylinder 3 with respect to the circle of the second dryer 2

Page 9 490438 V. Description of the invention (6)-The relationship of the upper part of the periphery of the cylinder 3. Each of the nozzles 13 and the nozzle has a plurality of spray holes, and the spray holes are along the horizontal line, and all of the spray holes are in the second desiccator 2. A horizontally-extending peeling member 15 is arranged to peel off the salt and adhere. On the outer surface of the cylindrical body 3. Flaking; ′ I is preferably arranged in a space relationship that is as far as possible from the seawater level sprayed in the direction of rotation of the cylinder 3 so that after the water evaporates, 侓 旎 旎 旎 洛 salt. As described later, the seawater collected from the sea is temporarily stored in the tank 16, and then filtered by the filter tank 17, and then is supplied to the nozzles 13 of the first dryer 1 by being stored in the seawater. In order to automatically spray the amount of seawater sprayed by the water pumps 18 and 13 to correspond to the temperature of the entire nozzle of the first dryer j, a temperature sensor 19 is arranged adjacent to the cylinder 3 and the cylinder. The surface end, and automatically control the water supply pump 1 8 (or a 蟫 飨 *, the flame blows out the signal of the temperature sensor 19. A brine recovery like 2 1} to the lower end of the device 1. I " Have been placed in the first -Dry. In the first dryer 1, the seawater from the outer surface of the 嗔 +, _body 3 is rapidly heated, so that the water is steamed from the seawater, and T is sprayed into the seawater of the cylinder. This concentrated seawater passes through the hopper. 2 〇a, two to produce Han shrinking tray 20. ° down to the brine back to collect the brine in the brine recovery tray 20, should go to the nozzle 14 of the second dryer 2. In order to self-ground, water efficiency pump +21 : For the f of seawater, corresponding to the mouth of the second dryer 2, a temperature sensor 22 is arranged on the surface 1 adjacent to the cylinder 3 and automatically controls the water supply pump 21 (or a solenoid, Flame blowing end, Lv Wangmen) to correspond to temperature

V. Description of the invention (7) The screw conveying device 23 is arranged at the signal of the degree sensor 22 of the second dryer. · The lower end of 2. In the second dryer 2, the aunt is sprayed from the nozzles 1 to 4. # 9 From the metal surface of the round body 3, the seawater on the outer surface of the body 3 is completely evaporated in the seawater quickly, so that the water from the outer surface of the body 3 is jJ ,,,. Also, therefore, the salt adheres to the cylindrical peeling member 15 like roasted salt, and then gs ^ salt dried on the cylindrical body 3, and then feeds the material 9Q and wind from the cylindrical body 3 Peel off. The exfoliated salt passes through, bamboo + 2 3 a, drops $ 丨 丨 破 #, refines the transport device 23, and refines the table salt by placing the clothes for display. The enemy's enemy 3 is back, at positions 24 and 25. Xiao Yi collects evaporated seawater. The second rush, / fly 'This steam recovery unit is located above the first dryer 1 and the dryer 2, respectively. The tank 16 ^, in the above-mentioned device, collects and stores the seawater to the first through the sea, filters it through the filter tank 17, and then sprays the stream from the nozzle 13: the rotating cylinder 3 of the dryer 1. The outer surface is automatically adjusted to reduce the temperature at the same time to correspond to the temperature of the first dryer 1. Adjust the flow rate so that when the temperature cylinder grabbing speed decreases, but the temperature rises, the flow rate increases. Therefore, at bit 24, a large amount of water is evaporated from the seawater, and the plutonium is recovered by the steam recovery unit, thereby condensing the seawater. The concentrated seawater flows down to the brine. The concentrated brine collected in the brine recovery tray 20 is sprayed from the nozzle 14 to the outer surface of the rotating cylindrical body 3 of the dryer 2 and the flow metal is automatically adjusted at the same time: corresponding to the first Temperature of two dryers 2. The sprayed salt water is rapidly heated on the surface of the cylinder 3 at a temperature equal to or higher than the temperature of the lot: 490438

The water evaporates quickly. Therefore, the salt of kappa adhered to the metal surface of the cylindrical body 3 is dried on the surface like roasted salt, and then the salt paid by the peeling member is peeled off from the metal of the cylindrical body 3. Therefore, the exfoliated salt drops to the screw conveyor; = the foot cylinder 3 is a refining device. The same day temple ’s evaporated or discharged 4 is collected as 3 :, and = 24 and 25, and then the cold part i is recovered as fresh water. In the first embodiment described above, the two rotating cylindrical dry states 1 and 2 of the mouth, J, and J are used for condensing seawater, bran, etc., and Junya raw roasted salt. however,

The shrinking step can be omitted. Fig. 4 shows another apparatus for producing table salt by applying the present invention. This device is generally constructed so that it does not include the above-mentioned first dryer 1 (refer to Fig. 1). Referring to FIG. 4, in the device shown, the seawater collected from the sea and stored in the seawater tank 16 is filtered by the filter tank 丨 7, and then sprayed from the nozzle 14 to the rotation of the second dryer 2 The metal outer surface of the cylindrical body 3 forms roasted salt on the metal outer surface of the cylindrical body 3, and at the same time, the flow rate is automatically adjusted to correspond to the temperature of the first rotating cylindrical dryer 2. Also in this example, adjust the flow rate so that when the temperature decreases, the flow rate decreases, but the temperature increases

As time passes, the flow rate increases. Next, the roasted salt is dried on the metal surface of the cylindrical body 3, and then the salt is peeled from the cylindrical body 3 by the peeling member 15, and then conveyed to the refining device by the screw conveying device 23. Then, a filtering device for bringing clean seawater from the sea into the seawater will be described. Referring to FIG. 5, the filtering device 26 under seawater includes: a base layer 28 of stones, pebbles, etc., a non-dense third-stage filtering layer 29 of stones, pebbles, etc. Dense second-level filter layer 3 0, and

Page 12 490438 V. Description of the invention (9) A dense first-stage filter layer (surface layer) 3 of other filter materials. The filter device under seawater 2 6 is formed by holes 2 7 excavated from the bottom layer b L of the sea. . The underwater filtering device 26 further includes a water collector 32 buried in the third-stage filtering layer 29. The water collector 32 has a cylindrical shape and has a plurality of filters 33 arranged on its periphery, as shown in FIG. The water collector 3 2 is closed at its opposite ends, and is accompanied by a pair of plates 3 4 to form a suction port (connecting port) 3 5 therein. The suction pipe 36 is connected to a suction port 35, as shown in FIG. 5, and an unshown pump is provided on the base and connected to the suction pipe 36, so that the seawater near the bottom of the sea is operated by the pump It can be filtered and sucked through the water collector 32. Although the preferred embodiments of the present invention have been described above using specific terms, such description is for illustrative purposes only. It should be understood that, without departing from the spirit and scope of the scope of the following patent applications, this meal can be modified and retouched.

Claims (1)

490438 Patent applications 73 > "I multi" I produce salt from seawater ^ 丄 丨 connected to a first rotating cylindrical dry throw ", including a device, which: the first rotating cylindrical second rotating cylindrical dry inner layer The two-cylinder structure of the cylinder and = /, there is a rotating circle formed by an outer cylinder, and the two between the first and inner layers of the cylinder < has an outer cylinder and -inner circle c cylindrical dryer is the same; | and the two-cylinder structure constituted by the space between the inner cylinders and the I-rotating cylindrical dryer and the first, the rotating cylinder, and communicate with the 'display layer Between the inner cylinder and the inner cylinder; the rotary cylinder dryer blows the flame from the furnace to the outer and inner cylinders of the ~ g cylinder, the rotation of the cylindrical dryer in the outer shell Rotate the outer cylinder of the cylindrical dryer to heat the inside of the cylinder. The same as the rotary cylinder dryer, and blow the seawater to the drum from the change; (The outer surface of the seawater, so that the water of the seawater can be concentrated in the f Measure the second rotating cylindrical type and spray the concentrated brine to the temperature of #%; The rotating outer surface of the cylindrical body is adjusted at the same time. Detector detection: the flow rate of 3 seawater sprays, corresponding to the first hair; and / the wind 'to remove the water in the brine and collect the duties left on the outer surface of the second cylinder ^ The rotation of the rotary cylinder dryer 2 · As in the method of Shenqing Patent Yu 1Ϊ1 Chu 1 or method, the Xiao Zheng lies in measuring the temperature of the seawater-producing salt in the first seawater ----- the temperature of a transformation dryer, Plane I, page 14 2 1 50-2798-p f1 · pt (490438 _ case number 88116573_ ^ year month month __ Six, apply for a patent and spray seawater to the first rotary cylindrical dryer At the same time, the outer surface of the rotating cylindrical body is adjusted to spray the seawater to correspond to the detected temperature. 3. The method for producing table salt from seawater as described in any one of the first or second scope of the patent application. , Which is characterized by burying water under a seawater filtering device built in a hole formed by excavation of the ocean floor The seawater collected by the collector is supplied to the first rotary cylindrical dryer provided at the bottom through a suction pipe. 2 1 5 0-2 79 8-pf l-ptc p. 15