KR20210069297A - Sand blast type chestnut peeler - Google Patents

Abstract

The present invention relates to a chestnut peeling device. More specifically, the present invention relates to a chestnut peeling device, in which after primarily removing part of chestnut outer skin and inner skin by using a blade-type peeling device, primarily peeled chestnuts are put into a sand blast peeling part, and salt are sprayed on the surface of chestnuts under high pressure, so that remaining inner skin is secondary removed.

Description

Sand blast type chestnut peeling device {SAND BLAST TYPE CHESTNUT PEELER}

The present invention relates to a chestnut peeling device, and more particularly, to a sandblasting chestnut peeling device for peeling chestnuts by spraying edible substances such as salt at night in a sanding blasting method.

In general, chestnuts are nut fruits, with contents corresponding to the pulp inside, and the outside of the fruit is covered with a thin inner skin, and the outside is surrounded by a hard outer skin. .

Looking at the domestic product production and market status of chestnuts, chestnut production in 2019 is expected to be around 53,000 tons, a decrease of 6% from 2018 due to difficulties in cultivation management due to aging of farm households and a decrease in the labor force and low prices received from farms. Exports of chestnuts in 2019 are expected to decrease by 2% from the previous year to 8,600 tons, and imports are projected to be 11,570 tons, up 1% from the previous year, mainly led by frozen chestnuts.

In addition, it is predicted that chestnut production will decrease by an average of 2% per year over the next 10 years, reaching 42,000 tons in 2028.

And, looking at the status of overseas product production and market, as China's production and export of forest products increase, the competitive position of our forest products in the international market is being established. A look at the status of the chestnut market for major producing countries is as follows.

About 340 farms in Australia produce 1,200 tons per year, 100% of which is supplied locally, and there is no awareness of Korean products in markets other than Korean and Asian food stores.

The production of processed foods using chestnuts is minimal, and there are no large processing plants, and some farms manufacture products such as chestnut flour and chestnut meal and use them to make cakes or muffins.

France is an extinct volcanic region to the east of South Fire. It is a mountainous region of Volvic, where French cloud water comes from. It is a valley and hilly region with clear and abundant water. 6,500 tons, 60% of French chestnut production, are produced in the above region, which is the region with the highest sunlight. 97% of all French chestnut varieties are produced in the region.

Recently, the area and production of chestnuts are declining sharply due to drought, relocation, and lack of agricultural technology. However, various activities to expand chestnut production area and increase production are increasing with the cooperation of the local chestnut growers association and local administrative agencies. to be.

China has the highest total chestnut production in the world and is one of the important export products among Chinese economic forest products. Chinese chestnuts are mainly exported to Japan, Singapore, Philippines, Korea and Thailand, with an export volume of 30,000 to 40,000 tons, 80% of which is Close is being exported to Japan.

As the demand for chestnuts increases, the market demand has reached more than 2 million tons, and the demand for processed products is also increasing.

Looking at the price of chestnuts, chestnut prices continued to decline despite the decrease in production in chestnut production areas in 2009. The reason is that supply exceeded demand in 2009 and exports decreased due to the financial crisis.

On the other hand, chestnut processed products include matt chestnut, chestnut puree, chestnut yanggaeng, chestnut candy, and marrongrass, but research on the peeling processing technology of domestic chestnut has not been put to practical use. The chestnut processing industry is stagnating due to low consumer preference and low added value.

The chestnut processing industry in Korea is not making great progress despite the fact that it is difficult to mass-produce peeled chestnuts, which are raw materials, and the annual production of chestnuts is 70,000 tons. In addition, as the labor cost of manual labor for peeled chestnuts rises in Korea, many production facilities for peeled chestnuts are moved to China, and domestic chestnut raw materials are exported to China, producing peeled chestnuts using cheap manpower and exporting them back to Japan.

Moreover, Korean chestnuts are known to be the best varieties in the world in terms of size and quality due to their thick seeds, firm flesh, and high sugar content and other nutrients. However, they have been put to practical use in the industry for processing and peeling after harvesting and storing chestnuts. Since there is no processing technology that can be used, it is a big obstacle to developing domestic demand for chestnuts and increasing overseas exports.

In order to eat these chestnuts, the outer and inner skins have to be peeled off, but the outer skin is tough and firm, and the inner skin is closely attached to the flesh. It takes a lot of time, especially when peeling a large amount of chestnut skins, as well as labor costs, there is a problem that requires more time.

In order to solve this problem, the chestnut peeling machine of the domestic patent registration No. 10-1155034, the inner and outer skin removal detachable chestnut peeling device of No. 10-1251289, the chestnut peeling device of No. 10-1742243, and the chestnut peeling machine of No. 10-1996509 A peeling device and the like are disclosed.

The chestnut inner skin peeler includes: a chestnut supply unit 10 for sequentially and continuously supplying chestnuts from which the outer skin has been removed to the conveying unit as shown in FIG. 1; a first conveying unit 20 for continuously conveying the chestnuts from which the outer skin is removed, which are sequentially supplied through the chestnut supply unit, in a horizontal direction to maintain a predetermined interval; A plurality of injection nozzles 30 installed along the first transfer unit to primarily remove the inner skin adhered to the flesh by spraying high-pressure water on the surface of the chestnut from which the outer skin has been continuously transferred; a second transfer unit 40 for receiving chestnuts from which the primary inner shell is removed by the plurality of injection nozzles in a falling manner and sequentially transferring them; It is installed on the second transfer unit, and consists of a rotating brush 50 for secondary removal of the remaining shell pieces of the chestnut surface from which the primary inner shell is removed, which is rotated at a high speed and transported along the second transfer part.

As shown in FIG. 2, the inner and outer skin removal type chestnut skinning device is a transfer feeder 10 that transports and supplies chestnut raw materials, and a flame peeler 20 that burns chestnuts by spraying flames on the chestnut raw materials supplied from the transfer feeder. ), a chestnut skin remover 30 for removing the outer skin of the burnt chestnut from the flame peeler, and a chestnut endothelial remover 40 for removing the night endothelium from which the outer skin of the chestnut has been removed from the chestnut skin remover.

The chestnut peeling device is supplied with chestnuts to be peeled from the hopper 5 to the inside of the peeling barrel 30 provided with the discharge pipe 32 as shown in FIG. 3, and a rotating motor ( In the chestnut peeling device 100 installed with the peeling blade device unit 10 operated by 3), the peeling blade device 10 receives power from the rotation motor 3 and the rotating shaft 19 rotates. It is vertically installed on the upper side of the front table 2 installed in the front of the main body case 1, and the rotating shaft 19 is provided with several blade installation parts 17 at regular intervals in the radial direction on the upper surface, and the blade installation A lower rotary plate 12 having a blade 18 installed thereon is installed on the upper surface of the part 17, and an upper rotary plate having a cutout 16 in which several blades 18 are exposed on the upper portion of the lower rotary plate 12. (11) is installed, but the upper and lower rotating plates 11 and 12 are connected by a fitting type by the protrusion 15 and the protruding groove 14, and the upper rotating plate 11 is placed between the upper and lower rotating plates 11 and 12 on the upper side. A spring 13 that pushes up is inserted, and a sleeve 20, the lower part of which is coupled to the upper rotary plate 11, is inserted and installed outside the rotation shaft 19 of the upper side of the upper rotary plate 11, and the upper side of the peeling tube 30 A pressing cylinder 23 provided with a pressing cap 22 for pressing the sleeve 20 is installed at the lower end of the peeling normal plate 31 coupled to the installed.

As shown in FIG. 4, the chestnut shell peeling device includes a first hopper 12 having an opening at the upper portion, and a chestnut outlet 113 and a peel outlet where the first hopper 12 is coupled to the upper portion and peeling is completed. (114) is provided on the opposite surface, the main body 11, coupled to the lower portion of the main body 11 and radially a plurality of blades 132 mounted on the rotating plate 13, the rotating plate 13, the rotating shaft The peeling machine 10 including a first drive motor which is coupled to the shaft to rotate the rotary plate 13; a conveyor 20 having one side connected to the first hopper 12 and feeding chestnuts supplied to the other side to the first hopper 12; and a controller that operates the conveyor 20 intermittently to control a certain amount of chestnuts to be supplied to the first hopper 12, and opens the chestnut outlet 113 after driving the peeler 10 for a predetermined time (30); includes.

However, since these conventional peelers perform peeling using a blade, flame, or water, it is impossible to completely peel, and many scratches occur on the surface of the peeled chestnut, the yield is relatively low, and due to prolonged external exposure, As a result, there is a problem in that discoloration occurs.

Domestic Patent Registration No. 10-1155034 Domestic Patent Registration No. 10-1251289 Domestic Patent Registration No. 10-1742243 Domestic Patent Registration No. 10-1996509

The present invention is to solve the above problems, and it is an object of the present invention to provide a sand blast-type chestnut peeling device that peels chestnuts by spraying an edible sanding material such as salt at night in a sanding blast method.

In addition, the present invention removes foreign substances attached to the surface during sanding by washing the peeled chestnut with brine, and at the same time prevents discoloration and disinfects, and inserts the sanding material that falls after sanding into a flame burner to remove foreign substances and then recycle it. Another object of the present invention is to provide a sand blast type chestnut peeling device that uses the residual heat generated from a flame burner to dry the washed chestnuts.

Features of the present invention for achieving the above object,

a feeding conveyor for feeding chestnuts; a storage hopper in which the edible sand material is stored; a pressure tank for applying pressure to the sand material falling from the storage hopper; a transport pipe for mixing and discharging the sand material discharged from the pressure tank and the high-pressure air generated from the high-pressure blower; a sand blast stripping skin connected to the conveying pipe to remove the outer skin and the inner skin by spraying edible sand material onto the surface of the chestnut while rotating the chestnut input through the supply conveyor; and a discharge conveyor for moving the peeled chestnuts discharged from the sand blast peeling skin.

Here, the sand blast type chestnut peeling device further includes a flame burner that receives the sand material falling from the sand blast stripper, removes foreign substances using a flame, and then circulates it to the storage hopper.

Here, the sand blast-type chestnut peeling device includes a washing machine installed on the discharge conveyor to wash the peeled chestnuts by spraying salt water; It further includes a dryer installed above the discharge conveyor, which is the rear end of the washing machine, to generate warm air to dry the washed chestnuts.

Here, the dryer is dried with hot air generated by exchanging the residual heat of the flame burner with air.

Here, the sand blast-type chestnut peeling device also includes a blade-type peeler installed at the front end of the supply conveyor to first remove a portion of the shell and inner shell using a blade while rotating the input chestnut and discharge it to the supply conveyor. .

Here, the sand blast stripping skin comprises: a case provided with an input hopper on one upper side and an outlet for discharging foreign substances on one lower side; In the case, the inlet is high and the outlet is low and is installed to be rotated by a bearing, a plurality of drop holes are formed, and a rotating gear is formed on the outside once in the circumferential direction to rotate the chestnut that is put into the inlet through the input hopper a circular rotational passage for discharging through the outlet by moving it while doing; a rotation motor installed on one side of the case and meshed with the rotation gear of the circular rotation cylinder to rotate the circular rotation cylinder; a sanding pipe connected to the transfer pipe and introduced into the longitudinal center of the circular rotary tube through one side of the case; a plurality of sanding nozzles installed in the lower direction of the sanding pipe to spray salt in the lower direction; and a vibrating screen installed at the lower end of the circular rotary tube in the case to sort salt and foreign substances falling through the drop hole of the circular rotary tube and discharge the foreign materials through the outlet of the case.

Here, again, the input hopper is provided with an inclined bulkhead in a zigzag form inside to slow down the falling speed of the inputted chestnut.

Here again, the sanding material is salt.

Here again, the washing machine mixes a part of the sanding material discharged from the sand blast stripping skin with washing water, and then removes foreign substances by using a specific gravity difference and then uses it as washing water.

According to the present invention, the sand blast type chestnut peeling device configured as described above, by spraying an edible sanding material such as salt at night in a sanding blast method, the chestnut is peeled to completely remove the shell and the endothelium, and the yield can be prevented from falling. have.

In addition, according to the present invention, the peeled chestnuts are washed with salt water to remove foreign substances on the surface during sanding, and at the same time to prevent discoloration and disinfection. It can be recycled, and the washed chestnuts can be dried using the residual heat generated by the flame burner.

1 to 4 are views showing the configuration of a conventional chest peeling device.
5 is a schematic diagram showing the configuration of a sand blast type chestnut peeling device according to an embodiment of the present invention.
Figure 6 is a partial side cross-sectional view showing the configuration of the sand blast stripping skin applied to the present invention.
7 is a perspective view showing the configuration of the circular rotary tube of FIG.
8 is a schematic diagram showing the configuration of a sand blast type chestnut peeling device according to another embodiment of the present invention.

Hereinafter, the configuration of the sand blast type chestnut peeling device according to embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In the following description of the present invention, if it is determined that a detailed description of a related well-known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. In addition, the terms described below are terms defined in consideration of functions in the present invention, which may vary according to intentions or customs of users and operators. Therefore, the definition should be made based on the content throughout this specification.

5 is a schematic diagram showing the configuration of a sand blast type chestnut peeling device according to an embodiment of the present invention, FIG. 6 is a partial side cross-sectional view showing the configuration of the sand blast peeling skin applied to the present invention, and FIG. 7 is the circle of FIG. It is a perspective view showing the configuration of the rotary cylinder.

5 to 7 , the sand blast type peeler 200 according to an embodiment of the present invention includes a supply conveyor 210 , a storage hopper 220 , a pressure tank 230 , and a transfer pipe 240 . ), and a sand blast stripper 250 , a discharge conveyor 260 , a washer 270 , a dryer 280 and a flame burner 290 .

First, the supply conveyor 210 supplies chestnuts to the sand blast stripping skin 250 . In the supply conveyor 220, an inclined conveyor or a vertical conveyor is installed, and in the case of the inclined conveyor, a plurality of transport jaws are installed in the width direction to prevent falling, and in the case of the vertical conveyor, a plurality of buckets are provided at equal intervals.

And, the storage hopper 220 is edible sand material is stored. At this time, salt, sugar, etc. are used as the sand material, and it is preferable to use salt that can be regenerated by the flame in the flame burner 290, and the particle size is 0.5 mm or less to minimize scratches on the surface of the night. It is preferred to have a particle size. At this time, it is preferable that a valve for controlling the supply amount is installed at the outlet of the storage hopper 220 .

In addition, the pressure tank 230 applies pressure to the sand material falling from the storage hopper 220 .

In addition, the transfer pipe 240 mixes the sand material discharged from the pressure tank 230 and the high-pressure air generated by the high-pressure blower and discharges the mixture.

Subsequently, the sand blast stripper 250 is a case 251, a circular rotary tube 252, a rotary motor 253, a sanding pipe 254, and a sanding nozzle, as shown in FIGS. 6 and 7 . 255 and a vibrating screen 256 .

The case 251 is provided with an input hopper (I) on one side of the upper end and an outlet (O) for discharging foreign substances on one side of the lower end. At this time, the input hopper (I) is provided with an inclined partition wall (W) in a zigzag form inside to slow down the falling speed of the inputted night.

The circular rotary tube 252 is installed to rotate by a bearing while having a high inlet at the inner upper end of the case 251 and a low outlet at an inclination, a plurality of drop holes (H) are formed, and one end of the case 251 in the circumferential direction The rotation gear (G) is formed by rotating the chestnut input into the inlet through the input hopper (I), and it is discharged through the outlet. At this time, a plurality of rotating jaws (B) are protruded in the longitudinal direction to rotate the inserted chestnuts in the circular rotating tube 252, and the rotating jaws (B) preferably have a triangular and hemispherical cross-sectional shape. .

The rotation motor 253 is installed on one side of the case 251 , and is meshed with the rotation gear G of the circular rotation cylinder 252 to rotate the circular rotation cylinder 252 .

The sanding pipe 254 is introduced into the longitudinal center of the circular rotary tube 252 through one side of the case 251 .

A plurality of sanding nozzles 255 are installed in the lower direction of the sanding pipe 254 to spray salt in the lower direction. At this time, the high-pressure air generated by the high-pressure blower is supplied to the sanding nozzle 255 to discharge the sanding material at high pressure.

The vibrating screen 256 is installed at the bottom of the circular rotary tube 252 in the case 251 to separate and sort the sanding material and foreign substances falling through the drop hole (H) of the circular rotary tube 252 to the outlet (O). discharge At this time, the vibrating screen 256 is preferably installed to have an inclination, and has a mesh size in which only the sanding material falls.

Subsequently, the discharge conveyor 260 moves the peeled chestnuts discharged from the sand blast peeling skin 250 .

In addition, the washing machine 270 is installed on the discharge conveyor 260 and sprays salt water to wash the peeled chestnuts. At this time, the washing machine 270 mixes a part of the sanding material discharged from the sand blast stripping skin 250 with washing water, and then uses the specific gravity difference to remove foreign substances and then uses the washing water.

In addition, the dryer 280 is installed above the discharge conveyor 260, which is the rear end of the washer 270, to generate warm air to dry the washed chestnuts. At this time, the dryer 280 heats the residual heat of the flame burner 290 and air, and dries it with the hot air generated.

In addition, the flame burner 290 receives the sand material falling from the sand blast stripper 250 , removes foreign substances using a flame, and then circulates it to the storage hopper 220 . In this case, it is preferable to use a blower or a screw to transfer the sand material.

On the other hand, the sand blast type chestnut peeling device 200 according to another embodiment of the present invention is shown in FIG.

8 is a schematic diagram showing the configuration of a sand blast type chestnut peeling device according to another embodiment of the present invention.

Referring to FIG. 8 , in the sand blast type chestnut peeling apparatus 200 according to another embodiment of the present invention, the blade type peeling machine 300 is installed at the front end of the supply conveyor 210 .

The blade-type peeler 300 is a chestnut inserted as a normal structure disclosed in domestic patent registration No. 10-1155034, domestic patent registration No. 10-1251289, domestic patent registration No. 10-1742243, domestic patent registration No. 10-1996509, etc. While rotating, a part of the outer skin and inner skin is first removed using a blade and supplied to the supply conveyor 210 .

Hereinafter, the operation of the sand blast type chestnut peeling device according to the present invention will be described in detail as follows.

First, chestnuts are put into the blade-type peeler 300 to first remove some of the outer skin and endothelium, and then it is supplied to the supply conveyor 210 .

The chestnuts are supplied along the supply conveyor 210 to the circular rotating barrel 252 rotated by the rotating motor 253 through the input hopper (I) provided in the case 251 of the sand blast stripping skin 250 . At this time, the chestnuts put into the input hopper (I) fall in a zigzag along the inclined bulkhead (W) and put into the circular rotary tube 252 at a low speed, which is a circular rotary tube 252 when the dropping speed of chestnuts is high. ), because it cannot stay in, and can pass straight through.

At the same time, the sanding material injected from the storage hopper 220 into the pressure tank 230 is supplied to the sanding pipe 254 of the sand blast stripper 250 along the high-pressure air of the transfer pipe 240 to the sanding nozzle 255. It is injected into the circular rotary tube 252 by the.

Then, the outer shell and the inner shell are peeled off by the sanding material sprayed at high pressure from the sanding nozzle 255 while the chestnut input is rotated by the rotating jaw (B) while the circular rotary tube 252 is rotated and is gradually moved to the outlet side.

The chestnuts discharged from the exit of the circular rotary tube 232 after peeling are transferred to the discharge conveyor 260 by falling.

The chestnuts transported along the discharge conveyor 260 are washed by salt water sprayed while passing through the washing machine 270, dried by warm air while passing through the dryer 280, and then dropped into a storage container (not shown). Complete the escape.

On the other hand, during sanding, the outer skin, the inner skin, and the sanding material are dropped to the vibrating screen 256 at the bottom through the drop hole H of the circular rotary tube 252 .

Then, the vibration screen 256 separates the sanding material and the foreign material of relatively large particles, and the foreign material is discharged to the outside through the outlet O, and the sanding material and the foreign material of the relatively small particle fall.

On the other hand, the sanding material that has fallen into the case 251 and the foreign material of relatively small particles are supplied to the flame burner 290, and the foreign material is burned by the flame generated by the flame burner 290, and the moisture contained in the sanding material is removed. It is removed and then circulated to the storage hopper 220 .

The present invention may be variously modified and may take various forms, and in the detailed description of the invention, only specific embodiments thereof have been described. However, it is to be understood that the present invention is not limited to the particular form recited in the detailed description, but rather, it is to be understood to cover all modifications and equivalents and substitutions falling within the spirit and scope of the present invention as defined by the appended claims. should be

210: supply conveyor 220: storage hopper
230: pressurized tank 240: transfer pipe
250: sand blast stripping skin 260: discharge conveyor
270: washing machine 280: dryer
290: flame burner 300: blade type peeler

Claims (9)

a feeding conveyor for feeding chestnuts;
a storage hopper in which the edible sand material is stored;
a pressure tank for applying pressure to the sand material falling from the storage hopper;
a transfer pipe for mixing and discharging the sand material discharged from the pressure tank and the high-pressure air generated from the high-pressure blower;
a sand blast stripping skin connected to the conveying pipe to remove the outer skin and the inner skin by spraying edible sand material onto the surface of the chestnut while rotating the chestnut input through the supply conveyor; and
Sandblast type chestnut peeling device, characterized in that it comprises a discharge conveyor for moving the peeled chestnuts discharged from the sandblast peeling skin. The method of claim 1,
The sand blast type chestnut peeling device,
Sandblast type chestnut peeling device, characterized in that it receives the sand material falling from the sand blast stripping skin, removes foreign substances using a flame, and then further comprises a flame burner circulating it to the storage hopper. The method of claim 1,
The sand blast type chestnut peeling device,
a washer installed on the discharge conveyor to spray salt water to wash the peeled chestnuts; and
Sand blast type chestnut peeling device, characterized in that it further comprises a dryer installed above the discharge conveyor, which is the rear end of the washing machine, to generate warm air to dry the washed chestnuts. 4. The method of claim 3,
the dryer,
Sand blast type chestnut peeling device, characterized in that it is dried with hot air generated by exchanging the residual heat and air of the flame burner. The method of claim 1,
The sand blast type chestnut peeling device,
Sandblast-type chestnut peeling device, characterized in that it further comprises a blade-type peeler installed at the front end of the supply conveyor so as to first remove a part of the outer skin and inner skin using a blade while rotating the input chestnut and discharge it to the supply conveyor. The method of claim 1,
The sand blast stripping skin,
a case provided with an input hopper on one upper side and an outlet for discharging foreign substances on one lower side;
In the case, the inlet is high and the outlet is low and is installed to be rotated by a bearing, a plurality of drop holes are formed, and a rotating gear is formed on the outside once in the circumferential direction to rotate the chestnut that is put into the inlet through the input hopper a circular rotation pass for discharging through the outlet by moving it while doing;
a rotation motor installed on one side of the case and meshed with the rotation gear of the circular rotation cylinder to rotate the circular rotation cylinder;
a sanding pipe connected to the transfer pipe and introduced into the longitudinal center of the circular rotary tube through one side of the case;
a plurality of sanding nozzles installed in the lower direction of the sanding pipe to spray salt in the lower direction; and
Sandblast-type chestnut, characterized in that it is installed at the lower end of the circular rotary tube in the case and consists of a vibrating screen that selects salt and foreign substances falling through the drop hole of the circular rotary tube and discharges the foreign materials through the outlet of the case stripping device. 7. The method of claim 6,
The input hopper is
A sand blast type chestnut peeling device, characterized in that an inclined bulkhead in a zigzag form is provided inside to slow down the falling speed of the input chestnut. The method of claim 1,
The sanding material is
Sandblast type chestnut peeling device, characterized in that salt. 4. The method of claim 3,
the washing machine,
A sand blast type chestnut peeling device, characterized in that a part of the sanding material discharged from the sand blast peeling skin is mixed with washing water, and then foreign substances are removed using a specific gravity difference and then used as washing water.

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