Bamboo powder salt manufacture method and bamboo salt got as a result of this

Abstract

The present invention relates to a method for manufacturing powdered bamboo salt in which effective components of bamboo are adsorbed onto salt during a process in which salt harvested from a salt field absorbs moisture from the air when humidity is high and leaches out the absorbed moisture along with brine when humidity is low, thereby reducing the bitterness contained in the salt; consequently, it takes several years to obtain dry salt from which brine has been removed in this manner. The present invention relates to a method for manufacturing powdered bamboo salt in which the bitterness of the salt is reduced by spraying bamboo distillate extracted by a double boiler onto the salt, adsorbing the effective components contained in the bamboo onto salt of different sizes, and drying it with heat from a double boiler. To this end, the present invention comprises: a coarse salt initial drying step (500) in which hot air (422) at 90°C to 100°C is injected into the interior of a first tank (100) into which coarse salt (600) is introduced to dry the moisture content on the surface of the coarse salt (600) to 1% or less; and the interior of the first tank (100) A first bamboo distillate spraying adsorption step (510) in which bamboo distillate (411) is sprayed through a distillate spraying device (410a) to increase the moisture content of the surface of coarse salt (600), which has been dried to a moisture content of 1% or less in the first coarse salt spraying adsorption step (500), to 10% to 15%; a first drying step (520) by hot water bath air in which hot water bath air (422) at 90°C to 100°C is injected into the interior of the first tank (100) to dry the moisture content of the surface of coarse salt (600), which has been increased to a moisture content of 10% to 15% in the first bamboo distillate spraying adsorption step (510), to 1% or less; and a coarse salt dried to a moisture content of 1% in the first tank (100) through the first drying step (520) by hot water bath air A fine salt crushing step (530) in which coarse salt (600) is crushed into fine salt (601) with a size of 1 mm to 3 mm or less and introduced into the interior of the second tank (200);A second bamboo distillate injection adsorption step (540) in which bamboo distillate (411) is injected into the interior of the second tank (200) through a distillate injection device (410b) to increase the moisture content of the surface of the fine salt (601), which has been maintained at a moisture content of 1% or less in the fine salt crushing step (530), to 7% to 10%; a second drying step (550) by hot water bath air in which hot water bath air (422) at 90°C to 100°C is injected into the interior of the second tank (200) to dry the moisture content of the surface of the fine salt (601), which has been increased to a moisture content of 7% to 10% in the second bamboo distillate injection adsorption step (540), to 1% or less; and a second drying step (550) by hot water bath air in the second tank (200) in which the moisture content is... A powdered salt grinding step (560) in which fine salt (601) dried to 1% is ground into powdered salt (602) with a size of 0.2mm to 1mm or less and introduced into the interior of a third tank (300); a bamboo distillate spraying third adsorption step (570) in which bamboo distillate (411) is sprayed into the interior of the third tank (300) through a distillate spraying device (410c) to increase the moisture content on the surface of the powdered salt (602), which has a moisture content of 1% or less maintained in the powdered salt grinding step (560), to 5% to 7%; and a water bath hot air (422) at 90°C to 100°C is injected into the interior of the third tank (300) to increase the moisture content on the surface of the powdered salt (602), which has a moisture content of 5% to 7% in the bamboo distillate spraying third adsorption step (570), to 1% The present invention relates to a method for manufacturing powdered bamboo salt and powdered bamboo salt manufactured by the same method, characterized by comprising: a third drying step (580) by a hot water bath to dry to a lower level; and a powdered bamboo salt completion step (590) in which powdered bamboo salt (700), which has been dried to a state where the moisture content of the surface of the powdered salt (602) is 1% or less after passing through the third drying step (580) by the hot water bath in the third tank (300), is discharged out of the tank.

Description

Technology Field

[0001] In the present invention, during the process of generally manufacturing bamboo salt or purple bamboo salt, when bamboo, pine, and pine resin powder are melted at a high temperature, burnt ash is mixed into the salt, thereby enabling the production of bamboo salt in which the color intensity of the salt changes to purple.

[0002] When bamboo salt and purple bamboo salt that have undergone a melting process carbonized at high temperatures are diluted in water, it can be seen that burnt ash, which is a component other than salt, is included and has turned into sludge.

[0003] Accordingly, the present invention relates to a method for manufacturing powdered bamboo salt and powdered bamboo salt produced by the same method, wherein the bamboo components are distilled in a water bath at a temperature of 90°C to 100°C or lower without carbonizing, and the bamboo distillate (411) is adsorbed onto the surface of salt of different sizes (510, 540, 570), and the salt is dried (520, 550, 580) and completed as powdered bamboo salt (700) by a hot air (422) in a water bath.

[0004] More specifically, the invention relates to a method for manufacturing powdered bamboo salt and powdered bamboo salt produced by the same method, wherein a coarse salt initial drying step (500), a bamboo distillate spraying first adsorption step (510), and a first drying step (520) by hot air from a water bath are performed in a first tank (100), a fine salt crushing step (530), a bamboo distillate spraying second adsorption step (540), and a second drying step (550) by hot air from a water bath are performed in a second tank (200), and a powdered salt grinding step (560), a bamboo distillate spraying third adsorption step (570), and a third drying step (580) by hot air from a water bath are performed in a third tank (300), and finally a powdered bamboo salt completion step (590). Background Technology

[0005] In the prior art related to bamboo salt, namely Registered Patent 10-2024804 (Application Date: March 18, 2019; Title of Invention: Method for Manufacturing Pine Bamboo Salt), Published Patent 10-2009-0080867 (Application Date: July 27, 2009; Title of Invention: Bamboo Salt Manufacturing Apparatus and Method for Manufacturing the Same), and Published Patent 10-2022-0098645 (Application Date: July 12, 2022; Title of Invention: Method for Manufacturing Dried Bamboo Salt and Apparatus for Manufacturing the Same), the method for manufacturing pine bamboo salt and the bamboo salt manufacturing apparatus and method for manufacturing the same describe a method of obtaining carbonized bamboo salt by heating solar salt to a high temperature, and the method for manufacturing dried bamboo salt and the apparatus for manufacturing the same is configured so that sap is repeatedly adsorbed onto solar salt immediately after being separated from bamboo chips introduced into a tank, whereas the present application invention [describes] a bamboo distillate separately extracted by transforming the crystal shape into coarse salt, fine salt, and powdered salt There is a difference in that it is achieved by a method of increasing the adsorption amount through external spraying.

[0006] [Prior Art Literature]

[0007] [Patent Literature]

[0008] (Registered Patent 1) Registration No.: 10-2024804 Filing Date: March 18, 2023

[0009] Claim 1

[0010] A process of purification is performed by dissolving 1 kg of pine resin powder (10 mesh size) in 5,000 cc of makgeolli liquid, boiling it at 100°C for 30 minutes, removing impurities, drying, and grinding it into powder; a process of preparing 30 kg of sun-dried salt, 100 g of purified pine resin, and 50 cc of bamboo sap is performed; a process of mixing the prepared 30 kg of sun-dried salt, 100 g of purified pine resin, and 50 cc of bamboo sap is performed; the contents mixed in the above mixing process are placed in a stainless steel container and subjected to high heat of 600–800°C for 90 minutes until the pine resin and bamboo sap are carbonized and no smoke is produced, at which point heating is stopped; the mixture is then slowly cooled to below 30°C, placed in a grinder, and subjected to a first roasting process in which it is ground into particles of 100 mesh.

[0011] After placing the pine bamboo salt powder obtained from the above first baking process into a stainless steel container, apply high heat of 600–800°C for 60 minutes, then slowly cool it to below 30°C, and perform a second baking process in which it is ground to a size of 100 mesh.

[0012] A method for manufacturing pine bamboo salt characterized by performing a third baking process identical to the second baking process above to produce pine bamboo salt powder.

[0013] (Published Patent 2) Publication No.: 10-2009-0080867 Filing Date: July 27, 2009 Drawing 1.

[0014] Claim 1

[0015] An inner tube that accommodates calcined bamboo salt and bamboo or bamboo charcoal, with a bamboo salt discharge port provided on one side of the lower portion;

[0016] An outer tube that accommodates the inner tube and has an opening formed on one side;

[0017] A combustion furnace that heats the inner tube through the opening of the outer tube;

[0018] A blower connected to the above combustion furnace;

[0019] A bamboo salt manufacturing device characterized by including a flue coupled to the outer tube and discharging the heat generated by heating the inner tube to the outside.

[0020] (Published Patent 3) Registration No.: 10-2022-0098645 Filing Date: July 12, 2022 Drawing 1.

[0021] Claim 1

[0022] The bamboo chip tank, which accommodates bamboo chips, is positioned on the inlet side where hot air is injected, and the solar salt tank, which accommodates solar salt, is positioned on the outlet side where hot air is discharged; they are configured to rotate while forming a single connected tank.

[0023] The hot air passing through the inside of the bamboo chip tank on the injection side is introduced into the inside of the solar salt tank on the discharge side to dry the solar salt, and

[0024] Bamboo chips are introduced into the interior of the above bamboo chip tank, and bamboo sap, separated in the form of steam by hot air injected from the outside, flows into the interior of the solar salt tank so that the components contained in the bamboo sap are adsorbed onto the dried solar salt.

[0025] A method for manufacturing dried bamboo salt characterized by replacing the bamboo chips inside the bamboo chip tank, thereby allowing bamboo sap separated into steam form by additionally injecting hot air from the outside to flow into the inside of the solar salt tank, and repeatedly adsorbing the components contained in the bamboo sap onto the solar salt to improve the functionality of the solar salt. The problem to be solved

[0026] The purpose of the present invention is to provide a method for manufacturing powdered bamboo salt and powdered bamboo salt produced by the same method, wherein bamboo distillate is sprayed during the crushing and grinding steps with fine salt and powdered salt to gradually increase the amount of adsorption while drying, in order to effectively adsorb and absorb bamboo components onto and inside the surface of salt crystals. means of solving the problem

[0027] To achieve the above objective, the present invention comprises: a coarse salt initial drying step (500) in which hot water (422) at 90°C to 100°C is injected into the interior of a first tank (100) into which coarse salt (600) is introduced to dry the moisture content of the surface of the coarse salt (600) to 1% or less; and

[0028] A bamboo distillate spraying first adsorption step (510) in which bamboo distillate (411) is sprayed into the interior of the first tank (100) through a distillate spraying device (410a) to increase the moisture content of the surface of the coarse salt (600), which was dried to a moisture content of 1% or less in the initial drying step (500) of the coarse salt, to 10% to 15%; and

[0029] A first drying step (520) by hot water injecting hot water (422) of 90°C to 100°C into the interior of the first tank (100) to dry the moisture content of the surface of the coarse salt (600), which has increased to 10% to 15% in the first adsorption step (510) of the bamboo distillate spray, to 1% or less; and

[0030] A fine salt crushing step (530) in which coarse salt (600), dried to a moisture content of 1% through a first drying step (520) by hot air from a water bath in the first tank (100), is crushed into fine salt (601) with a size of 1mm to 3mm or less and introduced into the interior of a second tank (200); and

[0031] A second bamboo distillate injection adsorption step (540) in which bamboo distillate (411) is injected into the interior of the second tank (200) through a distillate injection device (410b) to increase the moisture content of the surface of the fine salt (601), which has a moisture content of 1% or less in the fine salt crushing step (530), to 7% to 10%; and

[0032] A second drying step (550) by hot water injecting hot water (422) of 90°C to 100°C into the interior of the second tank (200) to dry the moisture content of the surface of the fine salt (601), which has increased to 7% to 10% in the second adsorption step (540) of the bamboo distillate spray, to 1% or less; and

[0033] A powder salt grinding step (560) in which fine salt (601), dried to a moisture content of 1% through a second drying step (550) by hot air from a water bath in the second tank (200), is ground into powder salt (602) with a size of 0.2mm to 1mm or less and introduced into the interior of the third tank (300); and

[0034] A bamboo distillate injection third adsorption step (570) in which bamboo distillate (411) is injected into the interior of the third tank (300) through a distillate injection device (410c) to increase the moisture content of the surface of the powdered salt (602), which has a moisture content of 1% or less in the powdered salt grinding step (560), to 5% to 7%; and

[0035] A third drying step (580) by hot water injecting hot water (422) of 90°C to 100°C into the interior of the third tank (300) to dry the moisture content of the surface of the powdered salt (602), which has increased to 5% to 7% in the third adsorption step (570) of the bamboo distillate spray, to 1% or less; and

[0036] A method for manufacturing powdered bamboo salt and powdered bamboo salt manufactured by the method is provided, characterized by comprising: a powdered bamboo salt completion step (590) in which powdered bamboo salt (700) is discharged out of the tank after undergoing a third drying step (580) by hot air from the above-mentioned third tank (300) and the moisture content of the surface of the powdered salt (602) is dried to 1% or less. Effects of the invention

[0037] As described above, the present invention has the great advantage that powdered bamboo salt, produced by spraying bamboo distillate while reducing the volume of coarse salt into fine salt and powdered salt during the process of adsorbing bamboo components onto the crystal surface of harvested solar salt using double-boiling heat, does not contain carbonized foreign substances and can be safely used in daily life. Brief explanation of the drawing

[0038] FIG. 1 is a flowchart showing the method for manufacturing powdered bamboo salt according to the present invention. FIG. 2 is a layout diagram showing the connection status of the first to third tanks and the devices associated with each tank according to the flowchart of FIG. 1.* Explanation of Symbols Used in Key Parts of the Drawing * 100: Tank 1 (Coarse Salt Tank) 200: Tank 2 (Fine Salt Tank) 300: Tank 3 (Powdered Salt Tank) 400: Water Bath Heat Generator (Water bath heat generation tank using hot water heated by a burner) 401: Water Bath Heat (Heat generated by hot water to 90°C to 100°C or lower) 402: Hot Water (Water heated by a burner) 410a: Distillate Spray Device (Gasifying bamboo distillate into Tank 1) 410b: Distillate Spray Device (Gasifying bamboo distillate into Tank 2) 410c: Distillate Spray Device (Gasifying bamboo distillate into Tank 3) 411: Bamboo Distillate (Extracted by splitting bamboo and distilling it via a water bath) 420: Air Injection Device (Injecting water bath heat or distillate generated from the water bath heat generator and spraying compressor)421: Compressed air (air generated from the air injection device)422: Water bath hot air (warm air injected into the tank by the compressed air)430: Water bath hot air injection pipe440: Compressed air injection pipe500: Coarse salt initial drying stage (injecting water bath hot air at 90°C to 100°C into the first tank containing coarse salt to dry the moisture content of the salt surface to 1% or less)510: Bamboo distillate spraying first adsorption stage (injecting distillate into the tank to increase the moisture content of the coarse salt to 10% to 15%)520: First drying stage by water bath hot air (injecting water bath hot air at 90°C to 100°C to dry the moisture content of the salt surface to 1% or less)530: Fine salt crushing stage (1mm Crushed to a size of 3mm or less)540: Bamboo distillate spraying 2nd adsorption step (spraying distillate into the interior of the 2nd tank into which fine salt is introduced to increase the moisture content of the salt surface to 7% to 10%)550: 2nd drying step by hot air in a water bath (drying the moisture content of the salt surface to 1% or less at a temperature of 90°C to 100°C)560: Powdered salt grinding step (0.570: Bamboo distillate injection, 3rd adsorption stage (injecting distillate into the 3rd tank into which powdered salt is introduced to increase the moisture content of the salt surface to 5% to 7%) 580: 3rd drying stage by hot air in a water bath (drying the moisture content of the salt surface to 1% or less at a temperature of 90°C to 100°C) 590: Powdered bamboo salt completion stage 600: Coarse salt (sea salt with coarse crystals larger than 3mm) 601: Fine salt (coarse salt crushed to 1mm to 3mm or less) 602: Powdered salt (fine salt crushed to 0.2mm to 1mm or less) 610: Brine 700: Powdered bamboo salt (coarse salt crushed into fine salt, then adsorbed with bamboo distillate, ground to a size of 0.2mm to 1mm or less, and adsorbed with bamboo distillate Discharged out of the third tank in a state where the moisture content is dried to 1% or less)800 : Crusher 810 : Grinder 820 : Aeration mesh (formed as a scouring pad mesh type to block salt introduced into the tank from escaping to the outside while allowing compressed air to pass through) 830 : Water bath hot air shut-off valve 840 : Bamboo distillate shut-off valve. Specific details for implementing the invention

[0039] The present invention describes in detail, with reference to the drawing symbols indicated in the drawing, a method for manufacturing powdered bamboo salt in which the components of salt, which are composed of sodium, calcium, magnesium, potassium, chlorine, sulfur, minerals, etc., which are fundamentally the same as the ionic components dissolved in seawater, are dried by heat of a water bath so as not to be artificially altered or destroyed, and the volume of the salt is changed so that the amount of adsorption of bamboo components increases.

[0040] FIG. 1 is a flowchart showing the method for manufacturing powdered bamboo salt according to the present invention, and FIG. 2 is a layout diagram showing the connection status of the first to third tanks and the manufacturing device associated with each tank according to the flowchart of FIG. 1.

[0041] First, we will examine the structure of the machinery and equipment related to the manufacturing device and provide further explanations for each drawing symbol.

[0042] The first tank of reference numeral 100 is a tank into which coarse salt (600) is introduced. On the lower surface of the tank, an aeration net (820) is installed to block the coarse salt (600) from escaping to the outside and to allow compressed air (421) to pass freely. It is formed with a multi-layered dense mesh structure similar to a scouring pad net. On the upper surface of the tank, an inlet for introducing coarse salt (600) and a water outlet for discharging in the form of steam are formed. On the lower surface of the tank, a distillation liquid injection device (410a) connected to a hot water infusion pipe (430) and a compressed air infusion pipe (440) is formed to seal the lower surface of the tank and is combined as a single unit.

[0043] The second tank of reference numeral 200 is a tank into which fine salt (601) is introduced. On the lower surface of the tank, an aeration net (820) is installed to block the fine salt (601) from escaping to the outside and to allow compressed air (421) to pass freely. It is formed with a multi-layered dense mesh structure similar to a scouring pad net. On the upper surface of the tank, an inlet for introducing fine salt (601) and a water outlet for discharging in the form of steam are formed. On the lower surface of the tank, a distillation liquid injection device (410b) connected to a hot water infusion pipe (430) and a compressed air infusion pipe (440) is formed to seal the lower surface of the tank and is combined as a single unit.

[0044] The third tank of reference numeral 300 is a tank into which powdered salt (602) is introduced. On the lower surface of the tank, an aeration net (820) is installed to block the powdered salt (602) from escaping to the outside and to allow compressed air (421) to pass freely. It is formed with a multi-layered dense mesh structure similar to a scouring pad net. On the upper surface of the tank, an inlet for introducing powdered salt (602) and a water outlet for discharging in the form of steam are formed. On the lower surface of the tank, a distillation liquid injection device (410c) connected to a hot water infusion pipe (430) and a compressed air infusion pipe (440) is formed to seal the lower surface of the tank and is combined as a single unit.

[0045] The water bath heat generating device of reference numeral 400 is a device that generates water bath heat (401) heated to 90°C to 100°C or lower using hot water (402) heated by a burner, as shown in the reference cross-sectional view indicated by the dotted line in FIG. 2, and further explanations regarding the following reference numerals are briefly indicated in *Explanation of the reference numerals used in the main parts of the drawings*.

[0046] The present invention is carried out by a step-by-step procedure as indicated in FIG. 1, and among the step-by-step procedures, the initial drying step of coarse salt of reference numeral 500 is a step of introducing coarse salt (600) into the interior of a first tank (100) and injecting hot water (422) at 90°C to 100°C to dry the moisture content of the surface of the coarse salt (600) to 1% or less. In the process of moving the hot water (401) generated from the hot water generating device (400) to the compressed air (421) generated from the air injection device (420), the hot water (422) generated is dispersed and passes through the aeration net (820) to evaporate the brine (610) absorbed in the coarse salt (600) and dry the surface until the moisture content becomes 1% or less.

[0047] The subsequent step, reference numeral 510, is the first adsorption step of the bamboo distillate injection, in which the bamboo distillate (411) is injected into the interior of the first tank (100) through a distillate injection device (410a) to increase the moisture content on the surface of the coarse salt (600) to 10% to 15%, and the bamboo distillate (411) is adsorbed and absorbed by the coarse salt (602). At this time, when increasing the moisture content by injecting the bamboo distillate (411), the hot air from a water bath (422) is injected alternately so that the hot air from a water bath (422) is injected before water droplets are formed on the aeration net (820) during the process of injecting the bamboo distillate (411), thereby ensuring that the moisture content of the coarse salt (600) increases evenly.

[0048] The subsequent step, reference numeral 520, is a first drying step using hot water, in which hot water (422) at 90°C to 100°C is injected into the interior of the first tank (100) to dry the moisture content of the surface of the coarse salt (600) to 1% or less, and the moisture in the form of steam generated during this process is discharged out of the tank.

[0049] The subsequent step, reference numeral 530, is a fine salt crushing step, in which coarse salt (600) dried to a moisture content of 1% in the first tank (100) is discharged out of the tank and crushed into a size of 1 mm to 3 mm or less using a crusher (800) and fine salt (601) is introduced into the interior of the second tank (200).

[0050] The subsequent step, reference numeral 540, is a second adsorption step of the bamboo distillate injection, in which the bamboo distillate (411) is adsorbed and absorbed by the fine salt (601) during the process of increasing the moisture content of the surface of the fine salt (601) to 7% to 10% by injecting the bamboo distillate (411) through the distillate injection device (410b) inside the second tank (200). At this time, when increasing the moisture content by injecting the bamboo distillate (411), the hot air from a water bath (422) is injected alternately so that the hot air from a water bath (422) is injected before water droplets are formed on the aeration net (820) during the process of injecting the bamboo distillate (411), thereby ensuring that the moisture content of the fine salt (601) increases evenly.

[0051] The subsequent step, reference numeral 550, is a second drying step using hot water, in which hot water (422) at 90°C to 100°C is injected into the interior of the second tank (200) to dry the moisture content of the surface of the fine salt (601) to 1% or less, and the moisture in the form of steam generated during this process is discharged out of the tank.

[0052] The subsequent step, reference numeral 560, is a powder salt grinding step, in which fine salt (601) dried to a moisture content of 1% in the second tank (200) is discharged out of the tank and crushed into a size of 0.1 mm to 0.5 mm or less using a grinder (810) and powder salt (602) is introduced into the interior of the third tank (300).

[0053] The subsequent step, reference numeral 570, is the third adsorption step of the bamboo distillate injection, in which the bamboo distillate (411) is adsorbed and absorbed by the powdered salt (602) during the process of increasing the moisture content of the surface of the powdered salt (602) to 5% to 7% by injecting the bamboo distillate (411) through the distillate injection device (410b) inside the third tank (300). At this time, when increasing the moisture content by injecting the bamboo distillate (411), the hot air from a water bath (422) is injected alternately so that the hot air from a water bath (422) is injected before water droplets are formed on the aeration net (820) during the process of injecting the bamboo distillate (411), thereby ensuring that the moisture content of the powdered salt (602) increases evenly.

[0054] The subsequent step, reference numeral 580, is a third drying step using hot water, in which hot water (422) at 90°C to 100°C is injected into the interior of the third tank (300) to dry the moisture content of the surface of the powdered salt (602) to 1% or less, and the moisture in the form of steam generated during this process is discharged out of the tank.

[0055] The subsequent step, reference numeral 590, is the powdered bamboo salt completion step, which is the step of discharging the powdered bamboo salt (700), dried to a surface moisture content of 1% or less in the third tank (300), out of the tank.

[0056] The process in which compressed air (421) generated from the air injection device (420) moves through the hot water injection pipe (430) and the compressed air injection pipe (440) while undergoing the above procedure, and the heat (401) is transformed into hot water (422) and the bamboo distillate (411) is sprayed and vaporized, then injected into each tank (100, 200, 300) and delivered to each salt (600, 601, 602), is as follows.

[0057] First, we examine the process in which the water bath hot air (422) dries the moisture content of the coarse salt (600) introduced into the first tank (100) to 1%.

[0058] In the process of introducing compressed air (421) generated from an air injection device (420) into a water bath heat generating device (400) and moving the water bath heat (401), which is generated by hot water at a temperature of 90°C to 100°C or lower, through the water bath hot air injection pipe (430), the coarse salt (600) stacked on the upper surface of the aeration net (820) installed inside the first tank (100) is dried to a moisture content of 1% by the water bath hot air (422). In this way, the first drying stage (520) by the water bath hot air, the second drying stage (550) by the water bath hot air, and the third drying stage (580) by the water bath hot air are also carried out in the same process.

[0059] Next, we examine the process in which bamboo distillate (411) is sprayed into the interior of the first tank (100) to increase the moisture content of the coarse salt (600) to 10% to 15%.

[0060] In the process of moving compressed air (421) generated from an air injection device (420) to a distillate injection device (410a) connected to a compressed air injection pipe (440) to spray bamboo distillate (411) by air pressure and passing it through an aeration net (820) installed inside the first tank (100), the moisture content of the coarse salt (600) stacked on the upper surface of the aeration net (820) is increased to 10% to 15% by the incoming bamboo distillate (411). In this way, the second adsorption step (540) and the third adsorption step (570) of the bamboo distillate injection are also carried out in the same process.

[0061] At this time, fine salt (601) injected into the second tank (200) is injected with a moisture content of 7% to 10% from bamboo distillate (411), and powdered salt (602) injected into the third tank (300) is injected with a moisture content of 5% to 7%, thereby adjusting the moisture content according to the coarseness of the salt to prevent the salt from melting and clogging the pores of the aeration net (820).

[0062] In this way, regarding the method of injecting bamboo distillate (411) into the interior of the first, second, and third tanks (100, 200, 300), the first, second, and third tanks (100, 200, 300) are identical in size and shape, but the amount and method of injection of the bamboo distillate (411) differ depending on the size of the salt (600, 601, 602) introduced into each tank, which is crushed or ground.

[0063] At this time, when spraying the bamboo distillate (411) into each tank, the hot air from a water bath (422) is sprayed simultaneously, and the bamboo distillate (411) and the hot air from a water bath (422) are injected alternately so that water droplets are formed on the salt (600, 601, 602) introduced into each tank due to the bamboo distillate (411), thereby preventing the salt from melting.

[0064] As described above, the present invention utilizes heat from a double boiler to remove the bitter taste along with the brine of the salt and prevent the salt's inherent nutrients from being altered or lost during the process of adsorbing bamboo components while gradually reducing the volume of the salt.

Claims

Claim 1 A coarse salt initial drying step (500) in which coarse salt (600) is introduced into a first tank (100) by injecting hot water (422) at 90°C to 100°C to dry the moisture content on the surface of the coarse salt (600) to 1% or less; a bamboo distillate spraying first adsorption step (510) in which bamboo distillate (411) is sprayed into the interior of the first tank (100) through a distillate spraying device (410a) to increase the moisture content on the surface of the coarse salt (600), which was dried to a moisture content of 1% or less in the coarse salt initial drying step (500), to 10% to 15%; and a bamboo distillate spraying first adsorption step (510) in which hot water (422) at 90°C to 100°C is injected into the interior of the first tank (100) to increase the moisture content on the surface of the coarse salt (600) to 10% to 15%. A first drying step (520) by hot water bath to dry the moisture content of the surface of coarse salt (600), which has been increased to a moisture content of 10% to 15% in the adsorption step (510), to 1% or less; a fine salt crushing step (530) in which the coarse salt (600), which has been dried to a moisture content of 1% through the first drying step (520) by hot water bath in the first tank (100), is crushed into fine salt (601) with a size of 1mm to 3mm or less and introduced into the interior of the second tank (200); and a bamboo distillate (411) is sprayed into the interior of the second tank (200) through a distillate spraying device (410b) to increase the moisture content of the surface of the fine salt (601), which has been maintained at a moisture content of 1% or less in the fine salt crushing step (530), to 7% to 10%. A second adsorption step (540) for spraying bamboo distillate; a second drying step (550) by hot water injecting hot water (422) at 90°C to 100°C into the interior of the second tank (200) to dry the moisture content of the surface of the fine salt (601), which has increased to 7% to 10% in the second adsorption step (540) for spraying bamboo distillate, to 1% or less; and the fine salt (601), which has been dried to a moisture content of 1% through the second drying step (550) by hot water in the second tank (200), 0.A powder salt grinding step (560) in which powder salt (602) with a size of 2mm to 1mm or less is ground and introduced into the interior of a third tank (300); a bamboo distillate spraying third adsorption step (570) in which bamboo distillate (411) is sprayed into the interior of the third tank (300) through a distillate spraying device (410c) to increase the moisture content on the surface of the powder salt (602), which was maintained at a moisture content of 1% or less in the powder salt grinding step (560), to 5% to 7%; and a third step by the hot water bath (422) in which hot water at 90°C to 100°C is injected into the interior of the third tank (300) to dry the moisture content on the surface of the powder salt (602), which was increased to a moisture content of 5% to 7% in the bamboo distillate spraying third adsorption step (570), to 1% or less. A method for manufacturing powdered bamboo salt characterized by comprising: a drying step (580); and a powdered bamboo salt completion step (590) in which powdered bamboo salt (700), which has been dried to a state where the moisture content of the surface of the powdered salt (602) is 1% or less after passing through the third drying step (580) by the hot air of the water bath in the third tank (300), is discharged out of the tank. Claim 2 delete Claim 3 Powdered bamboo salt produced by the manufacturing method of claim 1.

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