KR20120018235A - Apparatus and method for processing mixed grain with function to remove agricultural medicinesand and sterilize and washing the mixed grain - Google Patents

Abstract

PURPOSE: A mixed grain processing apparatus and a producing method of mixed grain are provided to remarkably improve the production of the mixed grain. CONSTITUTION: A mixed grain processing apparatus comprises the following: a pre-processing unit(10) including a stone sorting unit(12) for removing stones from each grain; a mixing chamber(20) for mixing the grains using a naturally dropping method; a post-processing unit(30) including a stone sorting unit washing unit(13) and obtained mixed grain; a pesticide removal unit(40) for removing pesticides from the mixed grain using superheated steam; and a cooling unit(50) for cooling the mixed grain.

Description

Processing equipment and manufacturing method of mixed grains with pesticide removal and sterilization cleaning function {APPARATUS AND METHOD FOR PROCESSING MIXED GRAIN WITH FUNCTION TO REMOVE AGRICULTURAL MEDICINESAND AND STERILIZE AND WASHING THE MIXED GRAIN}

The present invention relates to an apparatus and a method for processing mixed grains mixed with various kinds of grains, and more particularly, a mixture having a pesticide removal and sterilization washing function to effectively remove residual pesticides as well as to implement a rapid mixing process. It relates to a grain processing apparatus and a processing method thereof.

Grain is a generic term for granular fruits of crops for food. According to the agricultural classification centered on the use of crops, ordinary crops, ie edible crops, are classified into grain crops and papers, and cereal crops and It is divided into buckwheat or pulses (pulse crops), which refers to grains, which are grown for use as food or feed. Among the grains, rice is classified as rice, barley, wheat, rye, oats, etc., and crude, corn, millet, blood, buckwheat, and yulmu are mixed. However, buckwheat and yulmu are not belonging to the family of rice, but because of their similar characteristics and uses, they are included in the grain for convenience.

Grain is mainly composed of starch (sugar), and its light taste makes it suitable for common sense. In addition, the cultivation time is limited, but can be widely cultivated, the quantity is high, the moisture content is small, and the outside is covered with a hard shell, so that it can be easily handled and stored for a long time. Has been. Thus, wheat is used as a staple food in western countries and Australia, rice in Southeast Asia and the Far East, and corn in Latin America.

On the other hand, as life becomes more and more profitable, consumers' dietary habits are gradually changing, and this change in eating habits increases the convenience and family health interests, and even if you eat a meal, you can see various effects together. Interest and demand are increasing.

This mixed grain is a balanced formula developed for all constitutions according to Sasang Constitution Theory. It is set as an essential diet for.

Conventional mixed grain processing is a package after the rice, flour, soybeans, other grains and the like is properly mixed, but released in the process, the various processing speeds for the various grains in the processing process has a disadvantage of low productivity.

In addition, the conventional mixed grain processing process is not efficient removal of pesticides remaining in each grain, resulting in a change in the moisture content of individual grains, protein denaturation, alpha of the starch quality deteriorate the quality of the mixed grains There was this.

The present invention has been made in view of the above, pesticide removal and sterilization that can greatly improve the productivity of the mixed grains by promptly processing such as washing, taste, and precipitation of rice, sorghum, soybeans, and other grains. The present invention relates to a mixed grain processing apparatus having a washing function and a processing method thereof.

Mixed grain processing apparatus having a pesticide removal and sterilization washing function according to the present invention for achieving the above object,

At least one pretreatment processing unit having a taste unit for removing the taste of individual grains and a removal unit for removing individual grains;

A mixing chamber for mixing various kinds of individual grains pretreated by the pretreatment processing unit in a natural dropping manner to form mixed grains;

A post-processing unit having a precipitation unit for depositing the mixed grains and a washing unit for washing the mixed grains;

Pesticide removal unit for removing the pesticide remaining in the mixed grain by the superheated steam; And

And a cooling unit cooling the mixed grains from which the pesticide is removed.

The pesticide removing unit includes a heating case accommodating the mixed grains, a rotary blade rotatably installed in the heating case, one or more superheated steam supply pipes for supplying superheated steam into the heating case, an exhaust pipe for exhausting steam in the heating case, and Having a superheated steam generating unit for generating superheated steam,

The superheated steam supply pipe is communicatively connected to the superheated steam generating unit, and the superheated steam generated by the superheated steam generating unit is supplied into the heating case through the superheated steam supply pipe.

The heating case is provided with a receiving space sufficient to accommodate the mixed grains therein, the upper portion is open, the open upper portion of the heating case is installed to be opened and closed, the inner wall surface of the heating case is a releasable material The coated release coating layer is formed, the heating case is installed with a temperature sensor for detecting the internal temperature in real time, the inner wall surface of the heating case is composed of a vertical portion and an inclined portion, the exhaust pipe passes through the center of the cover And a spiral guide tube is formed in a portion drawn into the heating case of the exhaust pipe, and a plurality of through holes are formed in the spiral guide tube, and the through holes are formed smaller than the grains of the mixed grain.

An end of the superheated steam supply pipe is installed on the wall surface of the heating case, and an injection nozzle is installed at the end of the superheated steam supply pipe to spray the superheated steam at high speed.

The superheated steam supply pipe is arranged in a plurality of radially on the outer circumferential surface of the heating case, the plurality of superheated steam supply pipe is characterized in that connected to the superheated steam generating unit side via an annular connecting pipe.

The metal sealing structure is interposed between the cover and the edge of the heating case,

The metal sealing structure may include a first and a second gland respectively formed at an edge of the cover and an edge of the heating case, a sharp protrusion formed at each of the insides of the respective glands, and sealing of the metal material interposed between the first and second glands. Consisting of a ring,

The sealing ring is composed of an inner side and an outer side, the thickness of the inner side is formed smaller than the thickness of the outer side,

The first and second glands, protrusions, and sealing rings may be nickel plated to have a thickness of 5 μm on the surface thereof after being processed into a metal material processed with a surface roughness of 0.2 μm.

The superheated steam generating unit includes a boiler for generating saturated steam and a heating unit for generating superheated steam by heating saturated steam generated in the boiler,

The heating unit has a housing accommodating saturated steam, a plurality of disks spaced apart at regular intervals in the housing, a plurality of heaters penetrating the plurality of disks and installed in the housing in the longitudinal direction, the outer diameter of each disk is the housing It is formed smaller than the inner diameter of the outer edge of the disk is characterized in that spaced apart from the inner wall surface of the housing.

Mixed grain processing method having a pesticide removal and sterilization washing function of the present invention,

A pretreatment step of depositing individual grains after removing the taste of the individual grains;

A mixing step of mixing the various types of individual grains pretreated in the pretreatment step to form a mixed grain;

Post-processing step of washing after mixing the mixed grains;

Pesticide removal step of removing the pesticide remaining in the mixed grain by using superheated steam; And

A cooling step of naturally cooling the mixed grains from which the pesticide is removed;

In the pesticide removal step, the temperature for heating the mixed grains by the superheated steam is within the range of 290 ~ 350 ℃, characterized in that the treatment time by the superheated steam is in the range of 10 ~ 30 seconds.

According to the present invention as described above, there is an advantage that the productivity of the mixed grains can be significantly improved by promptly processing such as washing rice, flour, legumes, other grains, taste, and precipitation.

In addition, the present invention can effectively remove the pesticides remaining in each grain of the mixed grains to prevent changes in the moisture content of individual grains, protein denaturation, alpha of the starch, etc., thereby improving the quality of the mixed grains It can be effective.

1 is a view showing a mixed grain processing apparatus according to an embodiment of the present invention.
Figure 2 is a view showing in detail the pesticide removal unit of the mixed grain processing apparatus according to the present invention.
FIG. 3 is a view along the line AA of FIG. 2.
4 is an enlarged view illustrating an enlarged portion B of FIG. 2.
5 is a process chart showing a mixed grain processing method according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 4 is a view showing a mixed grain processing apparatus having a pesticide removal and sterilization washing function according to the present invention.

Mixed grain processing apparatus according to the present invention is mixed with a variety of individual grains, such as medicinal beans, black brown, frosted, gangnam bean, yellow, tea, green beans, white bran, brown black rice, millet, glutinous rice, brown rice, brown rice glutinous rice, glutinous rice, yulmu After that, the pesticide remaining in the grains is effectively removed.

As shown in Figure 1, the mixed grain processing apparatus according to the present invention is pre-processed in one or more pre-treatment unit 10, pre-treatment unit 10 to perform a pre-treatment process such as taste removal, sedimentation, etc. for individual grains Mixing chamber 20 which mixes various kinds of individual grains to form mixed grains, post-processing unit 30 which performs post-processing such as precipitation or washing of mixed grains, and removes pesticides remaining in mixed grains Pesticide removal unit 40, a cooling unit 50 for cooling the mixed grains from which the pesticide is removed, and a packaging unit 60 for packing the cooled mixed grains.

The pretreatment processing unit 10 is a taste unit 11 for removing the taste such as shells of individual grains, etc., which are inverted using wind or mining, and a precipitation unit 12 for removing (deleting) foreign substances such as stones from the individual grains. It includes. In addition, when the individual grains are beans, a washing unit 13 may be further provided on the downstream side of the precipitation unit 12 by washing with water spray and wind power, and may be further provided. 10, the washing unit 13 can be omitted.

The first conveying conveyor 11a is arrange | positioned at the upstream of the taste unit 11, and the 1st conveying conveyor 11a conveys the injected individual grain to the taste unit 11 side. A second transfer conveyor 12a is disposed between the downstream of the taste unit 11 and the upstream of the precipitation unit 12, and individual grains tasted by the taste unit 11 through the second transfer conveyor 12a are precipitated. It is conveyed to the unit 12 side. A third transfer conveyor 13a is installed between the downstream of the precipitation unit 12 and the upstream of the washing unit 13, and the individual grains precipitated by the precipitation unit 12 through the third transfer conveyor 13a are washed. It is conveyed to the unit 13 side. A fourth transfer conveyor 13b is installed between the downstream of the washing unit 13 or the precipitation unit 12 and the upstream of the mixing chamber 20, and the washing unit 13 or the precipitation through the fourth transfer conveyor 13b. In the unit 12, individual grains are fed to the mixing chamber 30 side.

On the other hand, according to an embodiment of the present invention, as shown in Figure 1, the pre-processing portion 10 may be configured in plurality in correspondence to the number of individual grains.

Thus, when the plurality of pre-processing unit 10 is configured to correspond to the number or type of individual grains there is an advantage that the pre-treatment of each individual grain is very fast and efficient.

The upper portion of the mixing chamber 20 is opened, and the opening and closing portion 21 is installed at the lower portion thereof. The various kinds of individual grains pre-processed into the mixing chamber 20 are mixed while falling naturally, so that the mixed grains are formed at an appropriate mixing ratio. The mixed grain is transferred to the post-processing portion 30 by opening and closing the opening and closing portion 21.

The post-processing unit 30 is a separation unit 31 for removing foreign substances such as stones from the mixed grains, washing unit 32 for removing starch, etc. by washing the mixed grains using wind power, precipitated and washed mixed grains It includes a storage tank 33 for temporarily storing the.

A fifth transfer conveyor 31a is installed between the downstream of the mixing chamber 20 and the upstream of the precipitation unit 31, and the mixed grain is mixed in the mixing chamber 20 through the fifth transfer conveyor 31a. Is transferred to). Between the downstream of the precipitation unit 31 and the upstream of the washing unit 32, a sixth conveying conveyor 32a is installed, and the mixed grain is washed in the washing unit 32 through the sixth conveying conveyor 32a. Is transferred to). Between the downstream of the washing unit 32 and the upstream of the storage tank 33, a seventh conveying conveyor 33a is installed, and the mixed grain is transferred from the washing unit 32 to the storage tank 33 through the seventh conveying conveyor 33a. Is transferred to). Downstream of the storage tank 33, an eighth conveying conveyor 33b is installed, and mixed grains in the storage tank 33 are conveyed to the pesticide removal unit 40 through the eighth conveying conveyor 33b.

Pesticide removal unit 40 is configured to remove the pesticide remaining in the post-processing mixed grains in the post-processing unit 30 by using superheated steam.

The cooling unit 50 is configured to cool the mixed grain heated in the pesticide removing unit 40. For example, the cooling unit 50 may be composed of a cooling case 51 and a screw conveyor 52 rotatably installed in the cooling case 52, so that the mixed grain heated by superheated steam is a screw conveyor 52. Slowly transported along the natural cooling can be slowly at room temperature. Through this, it is possible to prevent deterioration of mixed grain quality. In addition, a cooling fan 50 is installed in the cooling unit 50 to cool the mixed grain heated by the wind.

The packaging unit 60 may be configured with various packaging mechanisms for packing mixed grains.

2 is a view showing a pesticide removal unit 40 according to an embodiment of the present invention.

As shown, the pesticide removal unit 40 according to the present invention is superheated into the heating case 41, the rotating blade 42 rotatably installed in the heating case 41, the heating case 41 accommodates the mixed grains At least one superheated steam supply pipe 43 for supplying steam, an exhaust pipe 44 for exhausting steam in the heating case 41, and a superheated steam generating unit 45 for generating superheated steam.

The heating case 41 has a sufficient accommodation space is formed therein to accommodate the mixed grains, the upper portion is opened. The cover 46 is installed to be opened and closed at an open upper portion of the heating case 41, and the cover 46 is opened to inject the mixed grain into the heating case 41, and then the cover 46 is hermetically closed. . And, the lid 46 may be provided with an auxiliary inlet (46a) to facilitate the additional input of mixed grains.

In particular, since the metal sealing structure is interposed between the edges of the lid 46 and the heating case 41, more hermetic sealing can be achieved at a high temperature and high pressure. The metal sealing structure according to this embodiment is shown in FIG. First and second glands 46g and 41g are formed on the edge 46f of the lid 46 and the edge 41f of the heating case 41, respectively, and sharp projections are formed inside each of the glands 46g and 41g. 46h and 41h are formed, respectively, and a metal sealing ring 48 is interposed between the first and second glands 46g and 41g. The sealing ring 48 is composed of an inner portion 48a and an outer portion 48b, and the thickness of the inner portion 48a is formed smaller than the thickness of the outer portion 48b. Accordingly, the upper and lower surfaces of the inner portion 48a of the sealing ring 48 are engaged with the projections 46h and 41h of the first and second glands 46g and 41g, thereby achieving hermetic sealing.

Meanwhile, the first and second glands 46g and 41g, the protrusions 46h and 41h, and the sealing ring 48 are made of stainless steel such as SUS304 and the like, and the surface roughness thereof is processed to 0.2 μm to a thickness of 5 μm. By nickel plating, the sealing property and corrosion resistance at high temperature / high pressure can be improved.

In contrast, the first and second glands 46g and 41g, the protrusions 46h and 41h, and the sealing ring 48 are made of copper, and the surface roughness is nickel plated to a thickness of 10 μm after being processed to 0.2 μm. This may be done.

A release coating layer 41c coated with a release material such as Teflon is formed on the inner wall surface of the heating case 41, and when the mixed grain is carbonized by superheated steam by the release coating layer 41c, the carbonized mixed grain is released. It can be easily detached from the coating layer (41c). For the same reason, a release coating layer 46c such as Teflon may be formed on the inner wall surface of the lid 46.

One side of the heating case 41 is formed with a discharge port 41d for discharging the mixed grains of the pesticide removal process is completed by the superheated steam, a discharge unit 49 for opening and closing the discharge port (41d) is provided.

Discharge unit 49 is an opening and closing member (49a) for opening and closing the discharge port (41d) formed on one side of the heating case 41, a drive cylinder (49b) for driving the opening and closing member (49a), the discharge opening of the heating case (41) And a receiving tank 49d connected to the communicating tube 49c and communicating with the communicating tube 49c.

In addition, the heating case 41 is provided with a temperature sensor 41e for detecting the internal temperature of the heating case 41 in real time.

Rotating blade 42 is rotatably installed on the inner bottom of the heating case 41, the rising vortex may be generated by the rotation of the rotary blade 42. The shaft 42a of the rotary blade 42 is configured to be driven by the drive motor 42b.

On the other hand, the inner wall surface of the heating case 41 is composed of the vertical portion (41a) and the inclined portion (41b), and in particular, the rising vortex generated by the rotary blades 42 by the inclined portion (41b) and In addition, after the mixed grain is in contact with the inclined portion (41b) it can facilitate free fall to the floor.

The superheated steam supply pipe 43 is communicatively connected to the superheated steam generating unit 45, and the superheated steam generated by the superheated steam generating unit 45 passes through the superheated steam supply pipe 43 into the heating case 41. Supplied. An end of the superheated steam supply pipe 43 may be installed at the wall surface of the heating case 41, and in particular, an injection nozzle 43a may be installed at the end of the superheated steam supply pipe 43 to spray the superheated steam at high speed.

According to one embodiment, the superheated steam supply pipe 43 may be a plurality of radially arranged on the outer peripheral surface of the heating case 41, as shown in Figure 3, through the radial arrangement structure between the superheated steam and the mixed grain Increasing the contact area can increase the pesticide removal efficiency of mixed grains. In this case, the plurality of superheated steam supply pipes 43 may be communicatively connected to the superheated steam generating unit 45 through an annular connecting pipe 43b.

The exhaust pipe 44 is installed through the center of the cover 46 to exhaust air and superheated steam other than the mixed grains. On the other hand, a spiral induction pipe 44a is formed in a portion drawn into the heating case 41 of the exhaust pipe 44, through which the discharge of the superheated steam can be guided very quickly. In addition, a plurality of through holes 44b are formed in the spiral induction pipe 44a, and the superheated water vapor can be discharged more effectively through the through holes 44b. In particular, the through hole 44b is preferably formed to have a smaller size than the particles of the mixed grain to prevent the mixed grain from being discharged together with the superheated steam.

The superheated steam generating unit 45 includes a boiler 47 that generates saturated steam and a heating unit 48 that generates superheated steam by heating saturated steam generated in the boiler 47.

The separator 47a is installed between the boiler 47 and the heating part 48, and the saturated steam of the boiler 47 is supplied to the heating part 48 after the moisture is removed through the separator 47a.

The heating part 48 penetrates the housing 48a for receiving saturated steam, the plurality of disks 48b and the plurality of disks 48b which are spaced apart at regular intervals in the housing 48a, and the length of the heating portion 48 is in the housing 48a. And a plurality of heaters 48c provided in the direction.

The outer diameter of each disk 48b is formed smaller than the inner diameter of the housing 48a so that the outer edge of the disk 48b is spaced apart from the inner wall surface of the housing 48a. In addition, the plurality of disks 48b may have different outer diameters or the same.

A plurality of through-holes are formed in the disk 48b, and the heaters 48c penetrate through the through-holes of the disk 48b, so that the disks 48b and the heaters 48c are disposed perpendicular to each other.

By the configuration of the heating portion 48, when saturated steam passes through the interior of the housing 48a, saturated steam generates vortex by the disk 48b, whereby saturated steam is generated by the heat of the heater 48c. The contact area is increased to increase the generation efficiency of superheated steam.

The control unit C is electrically connected to the temperature sensor 41e, the superheated steam generating unit 45, the drive motor 42b of the rotary blade 42, and the drive cylinder 49b of the discharge unit 49, The control unit C controls to stop the operation of the superheated steam generating unit 45 and the rotary blade 42 when the temperature in the heating case 41 exceeds the range of 290 to 350 ° C. by the temperature sensor 41e. do. Then, the control unit C incorporates a timer on the control circuit, and sets the heat treatment time of the mixed grains by the superheated steam within the range of 10 to 30 seconds by the timer. In addition, the controller C controls the superheated steam generating unit 45 so that the flow rate of the superheated steam is in the range of 135 to 270 kg / hr.

5 is a process chart showing a mixed grain processing method according to the present invention.

As shown, the mixed grain processing method according to the present invention is a pre-treatment step (S1), a pre-treatment step (S1) to perform a pre-treatment process such as taste removal, sedimentation, etc. for the individual grains milled Mixing step (S2) of mixing the individual grains to form a mixed grain, post-processing step (S3) to perform a post-treatment process, such as to remove or wash the mixed grains, pesticide removal to remove the pesticides remaining in the mixed grain Step S4, a cooling step S5 of cooling the mixed grains from which the pesticide is removed, and a packing step S6 of packing the cooled mixed grains.

The pre-processing step (S1) is a stone from the individual grains by the taste removal step (S1-1) and the precipitation unit (12) to remove the taste such as the shell of the individual grains by using the wind or crushing of the taste unit (11). It goes through the step of removing (S1-2) to remove foreign substances such as. And, if the individual grains are soybeans may further comprise a washing step (S1-3) to dry after washing using water spray and wind power of the washing unit (13).

Mixing step (S2) is a mixing chamber 20 by mixing the various types of individual grains in a natural drop method.

The post-processing step (S3) is a precipitation step (S3-1) for removing foreign substances such as stones from the mixed grains by the precipitation unit 31, starch, etc. by washing the mixed grains using the wind power of the washing unit 32. Go through the washing step (S3-2) to remove.

Pesticide removal step (S4) is a step of removing the pesticide remaining in the post-processing mixed grains by using superheated steam, by mixing the mixed grains in the heating case 41 and spraying the superheated steam in a sealed state Pesticides remaining in the grains are removed by superheated steam.

In this pesticide removal step (S4), the heating temperature in the heating case 41 is in the range of 290 ~ 350 ℃, more preferably in the range of 300 ~ 330 ℃. The treatment time by superheated steam is preferably in the range of 10 to 30 seconds. The flow rate of superheated steam is in the range of 135 to 270 kg / hr, more preferably in the range of 150 to 160 kg / hr.

In this way, the pesticide removal step (S4) according to the present invention can significantly improve the processing speed of pesticide removal remaining in the mixed grains through processing conditions such as temperature, processing time, flow rate of superheated steam, Through the improvement, there is an advantage of minimizing the change in the quality of the mixed grains by minimizing the change in the moisture content of the mixed grains, the denaturation of the protein, and the alpha of the whole flame.

Cooling step (S5) can minimize the degradation of the quality of the mixed grain by gradually cooling the mixed grain heated by the superheated steam in the pesticide removal step (S4). And in order to make the cooling process quicker, you may cool using wind power.

The packaging step S6 finishes the processing of the mixed grains by packaging the mixed grains, which have been cooled, with wrapping paper or the like.

10: pretreatment processing part 20: mixing chamber
30: post-processing part 40: pesticide removal part
50: cooling part 60: packing part

Claims (7)

At least one pretreatment processing unit having a taste unit for removing the taste of individual grains and a removal unit for removing individual grains;
A mixing chamber for mixing various kinds of individual grains pretreated by the pretreatment processing unit in a natural dropping manner to form mixed grains;
A post-processing unit having a precipitation unit for depositing the mixed grains and a washing unit for washing the mixed grains;
Pesticide removal unit for removing the pesticide remaining in the mixed grain by the superheated steam; And
And a cooling unit cooling the mixed grains from which the pesticide is removed.
The pesticide removing unit includes a heating case accommodating the mixed grains, a rotary blade rotatably installed in the heating case, one or more superheated steam supply pipes for supplying superheated steam into the heating case, an exhaust pipe for exhausting steam in the heating case, and Having a superheated steam generating unit for generating superheated steam,
The superheated steam supply pipe is communicatively connected to the superheated steam generating unit side, and the superheated steam generated by the superheated steam generating unit is supplied into the heating case through the superheated steam supply pipe to remove the pesticide and sterilization. Mixed grain processing equipment with function. The method of claim 1,
The heating case is provided with a receiving space sufficient to accommodate the mixed grains therein, the upper portion is open, the open upper portion of the heating case is installed to be opened and closed, the inner wall surface of the heating case is a releasable material The coated release coating layer is formed, the heating case is installed with a temperature sensor for detecting the internal temperature in real time, the inner wall surface of the heating case is composed of a vertical portion and an inclined portion, the exhaust pipe passes through the center of the cover And a spiral guide tube is formed in a portion introduced into the heating case of the exhaust pipe, and a plurality of through holes are formed in the spiral guide tube, and the through holes are formed smaller than particles of mixed grains. Mixed grain processing equipment with removal and sterilization cleaning function. The method of claim 1,
The end portion of the superheated steam supply pipe is installed on the wall surface of the heating case, and the spray nozzle is installed at the end of the superheated steam supply pipe to spray the superheated steam at a high speed. Device. The method of claim 3,
The superheated steam supply pipe is a plurality of radially disposed on the outer circumferential surface of the heating case, the plurality of superheated steam supply pipe is connected to the superheated steam generating unit side via an annular connecting pipe to remove the pesticide and sterilization washing Mixed grain processing equipment with function. The method of claim 2,
The metal sealing structure is interposed between the cover and the edge of the heating case,
The metal sealing structure may include a first and a second gland respectively formed at an edge of the cover and an edge of the heating case, a sharp protrusion formed at each of the insides of the respective glands, and sealing of the metal material interposed between the first and second glands. Consisting of a ring,
The sealing ring is composed of an inner side and an outer side, the thickness of the inner side is formed smaller than the thickness of the outer side,
The first and second glands, protrusions, and sealing rings are processed with a metal material processed with a surface roughness of 0.2 μm, and then nickel plating is performed on the surface thereof with a thickness of 5 μm. Mixed grain processing equipment. The method of claim 1,
The superheated steam generating unit includes a boiler for generating saturated steam and a heating unit for generating superheated steam by heating saturated steam generated in the boiler,
The heating unit has a housing accommodating saturated steam, a plurality of disks spaced apart at regular intervals in the housing, a plurality of heaters penetrating the plurality of disks and installed in the housing in the longitudinal direction, the outer diameter of each disk is the housing Formed smaller than the inner diameter of the outer edge of the disc is mixed grain processing apparatus having a pesticide removal and sterilization washing, characterized in that spaced apart from the inner wall surface of the housing. A pretreatment step of depositing individual grains after removing the taste of the individual grains;
A mixing step of mixing the various types of individual grains pretreated in the pretreatment step to form a mixed grain;
Post-processing step of washing after mixing the mixed grains;
Pesticide removal step of removing the pesticide remaining in the mixed grain by using superheated steam;
A cooling step of naturally cooling the mixed grains from which the pesticide is removed;
In the pesticide removal step, the temperature for heating the mixed grain by the superheated steam is within the range of 290 ~ 350 ℃, the treatment time by the superheated steam is characterized in that the pesticide removal and sterilization washing function ranges from 10 to 30 seconds Mixed grain processing method with.

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