KR20120042168A - Natural indigo dyeing apparatus and method - Google Patents

Abstract

PURPOSE: A dyeing apparatus using natural indigo is provided to quickly dye a large amount of clothes or finished products and to save material cost. CONSTITUTION: A dyeing apparatus comprises: first and second washer units(100,100') for penetrating natural indigo dye into a subject material(cloth, finished product) by mixing the dye and subject material; and a dye feeding and collecting unit(200) for storing the dye inside and supplies or collects the dye. The dye feeding and collecting unit supplies the dye to the first washer unit and collects the dye after finishing dyeing process.

Description

NATURAL INDIGO DYEING APPARATUS AND METHOD

The present invention relates to a dyeing apparatus and a dyeing method, and more particularly, to a natural dyeing apparatus and a natural dyeing method for dyeing cloth or a finished product using a natural dye.

In general, dyeing refers to penetrating and fixing dyes in fabrics, yarns, etc. using dyes dissolved or dispersed in an aqueous dye solution or a paste, and dyeing by hand or using a dyeing apparatus for mass production. At this time, the dye is a natural dye extracted from natural materials and synthetic dyes made by the chemical industry.

Natural dyes are classified into vegetable dyes, animal dyes, and mineral dyes according to their kind.

Typically, a batch process of natural page dyeing using a natural page dye consists of a dyeing-dehydration-air oxidation-washing-soaping-neutralization-drying process. This process is done by hand or, using a dyeing machine, dyes the dye by penetrating the natural dye solution into the fabric by rotating the salt (cloth or finished product) and the natural salt solution into a rotating drum.

However, when dyeing the side by using a dyeing apparatus, conventionally, all processes cannot be performed in a single dyeing apparatus, and each process requires a separate apparatus, that is, a dyeing machine, natural air oxidation treatment, centuries, and a dryer, so that the dyestuff (cloth Or natural finished) as the device moves the device for each process. Accordingly, it takes a long time to dye the natural side of the blood, there is a problem that the process is cumbersome and expensive.

In addition, the conventional natural side dyeing apparatus is discharged to the outside of the apparatus without reusing the natural side salt solution used once. For this reason, since the amount of expensive natural side dyes is increased, there is a problem that the overall dyeing cost is increased by increasing the amount of natural side dyes. In addition, there is a disadvantage in that the treatment cost according to the disposal of the waste natural dyes increases because the amount of the natural dye to be discarded increases.

The present invention was devised to solve the conventional problems as described above, as well as the integrated process of the salt solution in a single device, as well as the dyeing apparatus that can be reused of the natural salt solution to reduce the material cost The purpose is to provide.

In addition, an object of the present invention is to provide a high-efficiency integrated dyeing apparatus capable of rapidly dyeing a large amount of blood stains.

The natural side dyeing apparatus of the present invention for achieving the above object comprises a first and second washer unit for infiltrating the natural dyes into the salt by mixing the salts with the natural salts; And a salt supply and recovery unit storing natural side salt solution therein and supplying or recovering the natural side salt solution to the first and second washer units. The dye supply and recovery unit includes: After supplying the natural side salt solution to the washer unit, when the dyeing process for the chlorine in the first washer unit is completed, the natural salt solution is recovered, and the natural side salt solution recovered from the first washer unit After supplying to the washer unit 2 and after the dyeing process is completed in the second washer unit characterized in that it is repeated to recover the natural side salt solution.

In addition, each of the first and second washer units, the base plate; A main body rotatably installed on an upper portion of the base plate; A cylindrical outer drum fixed inside the main body; And a cylindrical inner drum rotatably installed in the outer drum and having a plurality of through holes formed on an outer circumferential surface thereof.

The salt solution supply and recovery unit, the tank for receiving the natural side salt solution; A pair of salt flow passages connecting said tank with said outer drum of said first washer unit and said outer drum of said second washer unit; The natural side salt solution contained in the tank is supplied to the outer drum of the first washer unit or the second washer unit, or the natural side salt solution contained in the outer drum of the first washer unit or the second washer unit is A pump to recover to the tank; A mixing member rotatably installed in the tank; A motor for rotating the mixing member; And, it may be configured to include a salt tank control box for controlling the supply and recovery of the natural side salt solution.

The mixing member includes a connecting rod coupled to the rotating shaft of the motor; And a rotating plate formed at the end of the connecting rod and mixing the natural salt solution contained in the tank while rotating in accordance with the rotation of the motor.

Each of the first and second washer units includes: a pneumatic cylinder connecting the base plate and the main body and capable of tilting the main body with respect to the base plate; And, a compressor for providing compressed air to the pneumatic cylinder; can be configured to further include.

Each of the first and second washer units may be configured to further include an air injection pipe receiving the compressed air from the compressor and injecting the compressed air to an outer circumferential surface of the inner drum.

Each of the first and second washer units may be configured to further include a neutralizing agent storage chamber and a neutral detergent storage chamber installed in the main body.

On the other hand, the natural dyeing method according to the present invention comprises the steps of: a) supplying the natural salt solution to the salt washer supply and recovery unit first washer unit; b) the first washer unit dyeing the salts using the natural side salt solution; c) recovering said natural side salt solution from said first washer unit by said salt solution supply and recovery unit; d) supplying said natural side salt solution recovered from said first washer unit to said second washer unit by said salt supply and recovery unit; e) the second washer unit dyeing the salt using the natural side salt solution; And, f) recovering said natural side salt solution from said second washer unit by said salt solution supply and recovery unit.

After the step c), the first washer unit further comprises the step of performing dehydration, air oxidation, water washing, neutralization and drying process, and after the step f), the second washer unit is dehydration, air oxidation The method may further include performing washing, neutralizing and drying processes.

When the steps a), b) or c) are being performed, the second washer unit performs any one of dehydration, air oxidation, washing with water, neutralization or drying, and d), e) or f. When the step 1) is being performed, the first washer unit may perform any one of dehydration, air oxidation, water washing, neutralization or drying.

According to the above, since the natural side dyeing apparatus and method of the present invention performs a dyeing process while a pair of washers are alternated, it is possible to realize a high efficiency of the device by dyeing a large amount of chlorine (cloth or finished product) more quickly. Can be.

In addition, since the use of a single salt supply and recovery unit for supplying and recovering the natural salt solution, it is possible to reduce the unnecessary waste natural salt solution, thereby significantly reducing the material cost of the reuse of the natural salt solution Can be.

In addition, since the dyeing-dehydration-air oxidation-washing-soaping-neutralization-drying process are made in an integrated manner, there is no need to cumbersomely move the chlorine to a separate device for each process.

1 is a perspective view showing a natural side dyeing apparatus according to an embodiment of the present invention
2 is a view showing the outer drum and the inner drum installed in the washer unit of Figure 1,
3 is a cross-sectional view of FIG.
4 is a side view illustrating a state in which the main body of the washer unit of FIG. 1 is inclined;
5 is a flowchart showing a natural side dyeing method according to an embodiment of the present invention,
6 is a flow chart showing in detail the dyeing process of FIG.
7 is a view showing another form of the door of the natural dyeing apparatus according to an embodiment of the present invention.

Hereinafter, a natural side dyeing apparatus 10 according to an embodiment of the present invention will be described with reference to the drawings.

The natural side dyeing apparatus 10 supplies the natural side salt solution (D) from the salt supply and recovery unit 200 to the first washer unit 100, and then, the dyeing process is performed in the first washer unit 100. Natural side salt solution (D) is recovered to the salt supply and recovery unit 200, and the recovered natural side salt solution (D) is characterized in that the dyeing process can be performed by supplying the second washer unit (100 '). .

1 to 4, the natural dyeing apparatus 10 includes a pair of washers units 100 and 100 ′ and a salt solution supply and recovery unit 200.

The pair of washers unit (100, 100 ') is configured to collectively perform the dyeing process, that is, refining, dyeing, dehydration, air oxidation, water washing, soaping, neutralization, drying process.

Since the pair of washers units 100 and 100 'have the same structure, only the structure of the first washer unit 100 will be described. Accordingly, in the description of the second washer unit 100 ', the same configuration as that of the first washer unit 100 will be described with the same reference numeral.

The first washer unit 100 includes a main body 101, an outer drum 141, and an inner drum 143.

The main body 101 is installed above the base plate 103, and the main body 101 is rotatably installed by a hinge shaft h (see FIG. 4) formed at the rear of the main body 101 and the base plate 103. do. A pair of pneumatic cylinders 151 are installed on both side surfaces of the main body 101 and the base plate 103, and a guide support 121 having a “c” shape is installed to surround the main body 101. Therefore, by the pneumatic cylinder 151, the main body 101 can be inclined to form a predetermined angle with respect to the base plate 103, as shown in FIG. At this time, the pneumatic cylinder 151 is configured to be connected by the washer control panel 125 and the cylinder air flow path 157 which will be described later.

The front surface of the main body 101 is formed with a circular inlet 104 for inserting the chlorine, that is, cloth or finished product. The main body 101 has a door 106 that can hinge open and close the inlet 104. The rear of the main body 101 is formed with a water inlet 126 connected to the inlet 142a of the outer drum 141, and a water outlet 128 connected to the outlet 142b of the outer drum 141.

The outer drum 141 is installed to be fixed inside the main body 101. The outer drum 141 is formed in a cylindrical shape, the front wall 143a having a hollow portion 145 is formed in the center.

On the outer circumferential side of the outer drum 141, a motor 149 is installed. The outer drum 143 has an inlet 142a and an outlet 142b formed on the outer circumferential surface thereof, and an air inlet passage 165 is formed. The inlet 142a, the outlet 142b, and the air inlet passage 165 will be described in detail later.

The inner drum 143 is rotatably installed inside the outer drum 141. The inner drum 143 is formed in a cylindrical shape of which the front is open, and a plurality of through holes 144 are formed on the circumferential surface. The diameter of the inner drum 143 is formed to be the same as the hollow portion 145.

In this case, the door 106 has the same diameter as the hollow portion 145, and thus, the door 106 may be opened to inject chlorine into the inner drum 143.

A rotating shaft 145 is formed at the rear of the inner drum 143 to penetrate the rear of the outer drum 141 and be exposed to the outside of the outer drum 141. The rotating shaft portion 145 of the inner drum 143 is connected by the pulley (P) and the belt (B) installed on the rotating shaft of the motor 149, as shown in FIG. Accordingly, the inner drum 143 rotates by the rotation of the motor 149. On the inner circumferential surface of the inner drum 143, stirring holes 148 are formed along the longitudinal direction, and a plurality of stirring holes 148 are provided on the circumferential surface of the inner drum 143 at equal intervals.

Meanwhile, in the first washer unit 100 according to the present embodiment, the washer control panel 125 is installed on the upper surface of the guide support 121. To control various electronic components of the washer control panel 125 and to control the flow of air or fluid. Basically, the control panel 125 controls ON / OFF of the motor 149 and the compressor 154 and flow path of compressed air generated from the compressor 154.

The salt supply and recovery unit 200 supplies the natural salt solution to the pair of washers units 100 and 100 ', or recovers the pair of washer units 100 and 100' to reuse the natural salt solution used for dyeing. can do. The salt solution supply and recovery unit 200 includes a tank 210, a salt solution flow path 220, a pump 230, a mixing member 240, and a motor 250.

The tank 210 is formed in a cylindrical shape for accommodating the natural salt solution. In this embodiment, the tank 210 is installed on the table (T).

The salt solution flow paths 220 and 220 ′ interconnect the tank 210 and each of the external drums 141 installed in the pair of washers units 100 and 100 ′. The salt passage 220 may be configured as a flexible tube, but may be configured as a metallic pipe.

Pump 230 is a fluid pump is used in both directions, is installed to be interposed between the salt flow paths (220, 220 ') to transfer the natural salt solution contained in the tank 210 to the external drum (141), or the external drum (141) Natural saline solution used for dyeing contained in the transfer to the tank 210 is recovered.

In this case, the salt tank control box 237 is installed to control the flow direction of the pump 230. Under the control of the salt tank control box 237, the natural salt solution contained in the tank 210 is supplied to either the first washer unit 100 or the second washer unit 100 ', or the first washer unit 100 ) Or the natural salt solution used from either of the second washer unit 100 'may be recovered to the tank 210.

The mixing member 240 is rotatably installed in the tank 210 to mix the natural salt solution contained in the tank 210. That is, the mixing member 240 continuously mixes the natural salts so as not to change the properties of the natural salt solution itself, or when mixing the natural dyes and water, or serves to mix the natural dyes and alkaline or reducing agent. Mixing member 240 is composed of a connecting rod 241 and the rotating plate 244, one side of the connecting rod 241 is connected to the rotating shaft of the motor 250, the other side is formed with a rotating plate 244. As the motor 250 rotates, the rotating plate 244 rotates to generate a flow in the natural salt solution contained in the tank 210 to perform a mixing function. The motor 250 is for rotating the mixing member 240. In the present embodiment, the motor 250 is installed above the tank 210. However, the installation position may be changed if the mixing member 240 can be rotated. .

In the above-described configuration, the natural side dyeing apparatus 10 of the present invention supplies the natural side salt solution D contained in the tank 210 to the first washer unit 100 to perform a dyeing process, and the first washer unit ( After recovering the natural side salt (D) 100 used for dyeing in the tank 210, and then supplied to the second washer unit (100 ') can be dyed. In addition, when the dyeing process of the second washer unit 100 'is finished, the used natural salt solution is recovered to the tank 210 and then supplied to the dyeing process of the first washer unit 100. By repeating this process, the dyeing process of the first washer unit 100 and the second washer unit 100 'is continuously performed alternately.

Natural side dyeing apparatus 10 of the present embodiment is further provided with a configuration for the air oxidation, water washing, soaping, neutralization, drying process.

1 to 3, a compressor 154 for generating compressed air for air oxidation and drying is installed on the upper surface of the main body 101.

For the air oxidation process, the compressor 154 is connected to the washer control panel 125 by the connection passage 155, and the washer control panel 125 is connected to the air injection pipe 161 through the air injection passage 165. Connected. The air injection pipe 161 is installed between the outer drum 141 and the inner drum 143, and has a plurality of injection nozzles 161 a on the outer circumference of the air injection pipe 164. Therefore, the compressed air generated by the compressor 154 passes through the air input passage 165 and the air injection pipe 164 according to the operation of the washer control panel 125, and then through the injection nozzle 161a, the internal drum ( 143 is sprayed on the outer peripheral surface. At this time, the injected compressed air is discharged into the inner drum 143 through the through-hole 144 of the inner drum 143, and comes into contact with the dyed chlorine, thereby performing an air oxidation process.

For the drying process, a heating means (not shown) is installed inside the washer control panel 125. Accordingly, the compressed air generated from the compressor 154 is raised to a high temperature by a heating means (not shown) built in the washer control panel 125 according to the operation of the washer control panel 125, and then the air input flow path After passing through 165 and the air injection pipe 164, it is injected to the outer peripheral surface of the inner drum 143 through the injection nozzle (161a). The hot air sprayed in this way, that is, the compressed air of high temperature, is discharged into the inner drum 143 through the through hole 144 to dry the dyed dye.

In addition, a neutralizing agent storage chamber 127 and a neutral detergent storage chamber 128 are installed on the upper surface of the main body 101 to be spaced apart from the compressor 154 so as to store the neutral detergent and the neutralizing agent for the soaping and neutralization process. .

The soaping process is for rinsing in detergent-depleted water for the arrangement of dyes, and the neutral detergent is stored in the neutral detergent storage chamber 128. The neutral detergent storage chamber 128 is configured to communicate with the inlet 142a of the outer drum 141. In addition, although not shown, a solenoid type second opening / closing valve for controlling the flow of the neutral detergent flowing from the neutral detergent storage chamber 128 to the external drum 141 is installed at one side of the neutral detergent storage chamber 128. On the other hand, the first and second on-off valve is configured to be controlled by the operation of the washer control panel 125.

The neutralization process is to neutralize in water with the addition of a small amount of acid (citric acid or vinegar) to remove the alkaline components remaining in the dyed dye (textile). The neutralizing agent storage chamber 127 stores a neutralizing agent, that is, citric acid or vinegar. The neutralizing agent storage chamber 127 is configured to communicate with the inlet 142a of the outer drum 141. In addition, although not shown, a solenoid type first opening / closing valve for controlling the flow of the neutralizing agent flowing from the neutralizing agent storage chamber 127 to the external drum 141 is installed at one side of the neutralizing agent storage chamber 127.

On the other hand, the door 106 of the natural side dyeing apparatus 10 according to an embodiment of the present invention has a structure in which the door is hinged to the side like a door of a conventional drum washing machine, as shown in FIG. The first plate 106a 'and the semicircular second plate 106b' may be combined to form a circular door 106 '.

The door 106 'has a first plate 106a' coupled to the main body 101 'and a second plate 106b' rotatable with a hinge axis h2 relative to the first plate 106a '. Can be installed. Accordingly, the natural drum salt D 'may be filled in the outer drum 141 up to the top height of the first plate 106a'. Due to this configuration, the main body 101 'can be configured to be fixed to the base plate 103' without the main body 101 'having to be inclined with respect to the base plate 103', and pneumatic There is no need to install a cylinder. The user can open the second plate 106b 'and put the chlorine into the inner drum 143.

Hereinafter, with reference to Figures 1, 2, 5 and 6, a natural page dyeing method using a natural page dyeing apparatus according to an embodiment of the present invention will be described.

Natural dyeing process consists of dyeing (S1)-dehydration (S2)-air oxidation (S3)-washing (S4)-soaping (S5)-neutralization (S6)-drying (S7).

First, the user manipulates the salt tank control box 237 to transfer the natural salt solution contained in the tank 210 to the outer drum 141 of the first washer unit 100 to fill a predetermined amount of natural salt solution (S11). At this time, the pneumatic cylinder by operating the washer control panel 125, as shown in Figure 4 to fill the salt solution into the washer unit and to put the salt to be filled or a large amount of natural side salt (D) to the outer drum 141. By extending the rod 151, the natural drum salt is filled in the outer drum 141 while the main body 101 of the first washer unit 100 is inclined at a predetermined angle. Thereafter, the user opens the door 106 of the first washer unit 100, inserts the chlorine into the inner drum 143, closes the door 106, and then uses the washer control panel 125 to operate the pneumatic cylinder. By contracting 151, the main body 101 of the first washer unit 100 is returned to its original state.

In this state, when the washer control panel 125 is operated to drive the motor 149, the inner drum 143 rotates to mix the salt solution and the natural salt solution, thereby allowing the natural salt solution to penetrate the salt water (S12). .

When the dyeing process in the first washer unit 100 is finished, the user operates the salt tank control box 237 to transfer the natural salt solution used from the outer drum 141 of the first washer unit 100 to the tank 210. It collects | recovers (S13).

Thereafter, the first washer unit 100 starts air oxidation, water washing, soaping, and neutralization processes. At this time, the user operates the salt tank control box 237 to recover the natural side collected in the tank 210. The salt solution (D) is transferred to the outer drum 141 of the second washer unit 200 and filled with a predetermined amount of natural salt solution (S14). At this time, the second washer unit 100 by extending the rod of the pneumatic cylinder 151 by operating the washer control panel 125, as shown in Figure 4 so that a large amount of natural salt (D) is filled in the outer drum (141). In the state in which the main body 101 of the () is inclined at a predetermined angle, the natural side saline solution is filled in the outer drum 141 of the second washer unit 100 '. Thereafter, the user opens the door 106 of the second washer unit 100 ', puts the chlorine into the inner drum 143 of the second washer unit 100', and then closes the door 106, By contracting the pneumatic cylinder 151 using the washer control panel 125, the main body 101 of the second washer unit 100 'is returned to its original state.

In this state, when the washer control panel 125 of the second washer unit 100 'is operated to drive the motor 149, the inner drum 143 rotates to mix the chlorine and the natural salt solution, and Allow the dye to penetrate (S15).

When the dyeing process in the second washer unit (100 ') is completed, the natural salt solution using the salt tank control box 237 used as the outer drum 141 of the second washer unit (100') tank 210 Recovery is made again (S16).

When the natural saline solution is recovered from the second washer unit 100 ', the second washer unit 100' is sequentially dehydrated, air oxidized, washed, soaped, neutralized, and dried.

On the other hand, dehydration, air oxidation, water washing, soaping, neutralization, drying of the natural dyeing method using the natural dyeing apparatus 10 according to the present embodiment are as follows.

The dehydration process is a process of dehydrating the natural saline solution absorbed in the dyed dye. A user operates the washer control panel 125 and drives the motor 149 to rotate the inner drum 143, thereby reducing the centrifugal force. The natural salt solution is separated from the chlorine and moved to the outer drum 141 through the through hole 144, and then exits through the outlet 142b to the water outlet 128.

The air oxidation process is a process of dyeing and then oxidizing the dye by blowing air into the dye to be stained. Compressed air generated in the compressor 154 is operated by the washer control panel 125. After passing through the flow path 165 and the air injection pipe 164, it is injected to the outer peripheral surface of the inner drum 143 through the injection nozzle 161a, the inner drum 143 through the through hole 144 of the inner drum 143 It is released inside and comes into contact with the dyed chlorine, resulting in an air oxidation process.

The flushing process is a process in which the chlorine is sufficiently oxidized in the air oxidation process, and then the dyed chlorine is washed with clean water. According to the operation of the washer control panel 125, the water supplied from the water inlet 126 is supplied with an external drum ( After flowing through the inlet 142a of the 141, the inner drum 143 is rotated, and the washing process is performed while the dyed saline and water are mixed. After the washing process is completed, the water used for washing is discharged to the water outlet 128 through the outlet 142b.

The soaping process is a process of rinsing the stained water with neutral detergent for the arrangement of the dyes of the dyeing stained water, followed by washing of the neutral detergent storage chamber according to the operation of the washer control panel 125. The neutral detergent contained in 128 is introduced through the inlet 142a of the outer drum 141 together with the water provided from the water inlet 126, and then the inner drum 143 rotates to include water containing chlorine and neutral detergent. This mingling is the soaping process.

The neutralization process is a process of washing the dyed saline with water added with a small amount of acid (citric acid or vinegar) to remove the alkali component remaining in the dyed saline after the soaping process. Accordingly, after a small amount of the neutralizing agent contained in the neutralizing agent storage chamber 127 is introduced through the inlet 142a of the outer drum 141 together with the water provided from the water inlet 126, the inner drum 143 is rotated and the chlorine The neutralization process is carried out by mixing water with a small amount of neutralizing agent. After the neutralization process, the washing process may be performed again.

The drying process is a process for drying the dyed dye solution after the soaping process, and the compressed air generated in the compressor 154 according to the operation of the washer control panel 125 is inside the washer control panel 125. It is converted into high temperature hot air by a heating means (not shown) built in the air, and passes through the air injection passage 165 and the air injection pipe 164 and then to the outer circumferential surface of the inner drum 143 through the injection nozzle 161a. After being injected, it is released into the inner drum 143 through the through hole 144 of the inner drum 143, thereby drying the tainted material.

As described above, the natural side dyeing method using the natural side dyeing apparatus 10 according to an embodiment of the present invention performs a dyeing process while the pair of washers units 100 and 100 'are alternately applied, so that a large amount of the chlorine dye (cloth or Finished products) can be dyed more quickly and improve the dye production rate of the dye.

In addition, since one salt supply and recovery unit 200 is used to supply and recover the natural salt solution to the pair of washer units 100 and 100 ', the material cost of the natural salt solution can be significantly reduced. have.

In addition, since the dyeing-dehydration-air oxidation-washing-soaping-neutralization-drying process of the natural side dyeing apparatus 10 of the present invention can be carried out integrally in one apparatus, each process is a separate There is no need to move the chloride to the device cumbersomely.

While the invention has been shown and described in connection with the preferred embodiments for illustrating the principles of the invention, the invention is not limited to the construction and operation as shown and described. Rather, those skilled in the art will appreciate that many modifications and variations of the present invention are possible without departing from the spirit and scope of the appended claims. Accordingly, all such appropriate modifications and changes, and equivalents thereof, should be regarded as within the scope of the present invention.

100,100 '... 1st and 2nd washer unit 101 ... body
103.Base plate 104 ... Inlet
106 ... Door 121..Guide Support
125 Washer control panel 126 Water inlet
128 Water outlet 141 External drum
142a ... entrance 142b ... exit
143 ... internal drum 144 ... through
145 ... Heavy School 148 ... Agitator
149 ... motor 151 ... pneumatic cylinder
154 Compressor 155 Connection Euro
156.Cylinder air path 165 ... Air injection path
200 ... salt supply and recovery unit 210 ... tank
220,220 '... Euro tube 230 ... pump
Salt tank control box 240 Mixing element
241 connecting rod 244 rotating plate
250 ... motor B ... belt
D ... dye h ... hinge shaft
T ... table P ... pulley

Claims (10)

First and second washers units for infiltrating the natural salt solution by mixing the salt solution with the natural salt solution; And,
Contains a natural saline solution is stored therein, the salt solution supply and recovery unit for supplying or recovering the natural salt solution to the first and second washer units,
The salt solution supply and recovery unit, after supplying the natural side salt solution to the first washer unit and recovers the dye salt solution when the dyeing process for the chlorine in the first washer unit is completed, the first washer unit And supplying the natural side salt solution recovered from the second washer unit, and then recovering the natural side salt solution after the dyeing process is completed in the second washer unit. The method of claim 1, wherein each of the first and second washer unit,
Base plate;
A main body rotatably installed on an upper portion of the base plate;
A cylindrical outer drum fixed to the inside of the main body; And
And a cylindrical inner drum rotatably installed in the outer drum and having a plurality of through holes formed on an outer circumferential surface thereof. The method of claim 2, wherein the salt solution supply and recovery unit,
A tank containing the natural salt solution;
A pair of salt flow passages connecting said tank with said outer drum of said first washer unit and said outer drum of said second washer unit;
The natural side salt solution contained in the tank is supplied to the outer drum of the first washer unit or the second washer unit, or the natural side salt solution contained in the outer drum of the first washer unit or the second washer unit is A pump to recover to the tank;
A mixing member rotatably installed in the tank;
A motor for rotating the mixing member; And,
Natural side dyeing apparatus comprising a salt tank control box for controlling the supply and recovery of the natural side salt solution. The method of claim 3, wherein the mixing member,
A connecting rod coupled to the rotating shaft of the motor; And
And a rotating plate formed at the end of the connecting rod and mixing the natural dye contained in the tank while rotating according to the rotation of the motor. The method of claim 2, wherein each of the first and second washer unit,
A pneumatic cylinder connecting the base plate and the main body and capable of tilting the main body with respect to the base plate; And,
Compressor for providing compressed air to the pneumatic cylinder; Natural side dyeing apparatus further comprises. The method of claim 5, wherein each of the first and second washer unit,
And an air injection pipe receiving the compressed air from the compressor and injecting the compressed air to an outer circumferential surface of the inner drum. The method of claim 2, wherein each of the first and second washer unit,
Natural side dyeing apparatus further comprises a neutralizing agent storage chamber and a neutral detergent storage chamber installed in the main body. a) supplying the natural side salt solution to the first washer unit by the salt supply and recovery unit;
b) the first washer unit dyeing the salts using the natural side salt solution;
c) recovering said natural side salt solution from said first washer unit by said salt solution supply and recovery unit;
d) supplying said natural side salt solution recovered from said first washer unit to said second washer unit by said salt supply and recovery unit;
e) the second washer unit dyeing the salt using the natural side salt solution; And,
f) recovering said natural side salt solution from said second washer unit by said salt supply and recovery unit. The method of claim 8,
After the step c), the first washer unit further comprises the step of performing dehydration, air oxidation, water washing, soaping, neutralization and drying process,
After the step f), the second washer unit further comprises the step of performing dehydration, air oxidation, water washing, soaping, neutralization and drying process. The method of claim 8,
When the steps a), b) or c) are being performed, the second washer unit performs any one of dehydration, air oxidation, water washing, soaping, neutralization or drying.
When the step d), e) or f) is being performed, the second washer unit performs any one of dehydration, air oxidation, washing, soaping, neutralization or drying. Dyeing method.

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